Merge branch 'master' of scm.dev.troll.no:qt/oslo-staging-2 into qstatictext-4.7

Conflicts:
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	tests/auto/qlineedit/tst_qlineedit.cpp

Merge branch 'master' of scm.dev.troll.no:qt/oslo-staging-2 into qstatictext-4.7

Conflicts:
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	tests/auto/qlineedit/tst_qlineedit.cpp

Merge branch 'master' of scm.dev.troll.no:qt/oslo-staging-2 into qstatictext-4.7

Conflicts:
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	tests/auto/qlineedit/tst_qlineedit.cpp

268 files changed, 10043 insertions, 3484 deletions

diff --git a/src/3rdparty/clucene/src/CLucene/index/SegmentTermDocs.cpp b/src/3rdparty/clucene/src/CLucene/index/SegmentTermDocs.cpp
index f4c5e3adec..50951e9ba5 100644
--- a/src/3rdparty/clucene/src/CLucene/index/SegmentTermDocs.cpp
+++ b/src/3rdparty/clucene/src/CLucene/index/SegmentTermDocs.cpp
@@ -112,47 +112,51 @@ CL_NS_DEF(index)
 	  return _freq; 
   }
 
-  bool SegmentTermDocs::next() {
-    while (true) {
-      if (count == df)
-        return false;
 
-      uint32_t docCode = freqStream->readVInt();
-      _doc += docCode >> 1; //unsigned shift
-      if ((docCode & 1) != 0)			  // if low bit is set
-        _freq = 1;				  // _freq is one
-      else
-        _freq = freqStream->readVInt();		  // else read _freq
-      count++;
-
-      if ( (deletedDocs == NULL) || (deletedDocs->get(_doc) == false ) )
-        break;
-      skippingDoc();
+bool SegmentTermDocs::next()
+{
+    while (true) {
+        if (count == df)
+            return false;
+
+        uint32_t docCode = freqStream->readVInt();
+        _doc += docCode >> 1;   //unsigned shift
+        if ((docCode & 1) != 0)             // if low bit is set
+            _freq = 1;                      // _freq is one
+        else
+            _freq = freqStream->readVInt(); // else read _freq
+        count++;
+
+        if (deletedDocs == NULL || (_doc >= 0 && !deletedDocs->get(_doc)))
+            break;
+        skippingDoc();
     }
     return true;
-  }
+}
 
-  int32_t SegmentTermDocs::read(int32_t* docs, int32_t* freqs, int32_t length) {
+
+int32_t SegmentTermDocs::read(int32_t* docs, int32_t* freqs, int32_t length)
+{
     int32_t i = 0;
-//todo: one optimization would be to get the pointer buffer for ram or mmap dirs 
-//and iterate over them instead of using readByte() intensive functions.
-    while (i<length && count < df) {
-      uint32_t docCode = freqStream->readVInt();
-      _doc += docCode >> 1;
-      if ((docCode & 1) != 0)			  // if low bit is set
-        _freq = 1;				  // _freq is one
-      else
-        _freq = freqStream->readVInt();		  // else read _freq
-      count++;
-
-      if (deletedDocs == NULL || !deletedDocs->get(_doc)) {
-        docs[i] = _doc;
-        freqs[i] = _freq;
-        i++;
-      }
+    // TODO: one optimization would be to get the pointer buffer for ram or mmap
+    // dirs and iterate over them instead of using readByte() intensive functions.
+    while (i < length && count < df) {
+        uint32_t docCode = freqStream->readVInt();
+        _doc += docCode >> 1;
+        if ((docCode & 1) != 0)             // if low bit is set
+            _freq = 1;                      // _freq is one
+        else
+            _freq = freqStream->readVInt(); // else read _freq
+        count++;
+
+        if (deletedDocs == NULL || (_doc >= 0 && !deletedDocs->get(_doc))) {
+            docs[i] = _doc;
+            freqs[i] = _freq;
+            i++;
+        }
     }
     return i;
-  }
+}
 
   bool SegmentTermDocs::skipTo(const int32_t target){
     if (df >= skipInterval) {                      // optimized case
diff --git a/src/3rdparty/clucene/src/CLucene/index/Term.cpp b/src/3rdparty/clucene/src/CLucene/index/Term.cpp
index fc32e44580..5ff7bb2644 100644
--- a/src/3rdparty/clucene/src/CLucene/index/Term.cpp
+++ b/src/3rdparty/clucene/src/CLucene/index/Term.cpp
@@ -153,7 +153,10 @@ int32_t Term::compareTo(const Term* other) const
     if (_field == other->_field)
         return _tcscmp(_text, other->_text);
 
-    return _tcscmp(_field, other->_field);
+    int32_t ret = _tcscmp(_field, other->_field);
+    if (ret == 0)
+        ret = _tcscmp(_text, other->_text);
+    return ret;
 }
 
 TCHAR* Term::toString() const
diff --git a/src/3rdparty/clucene/src/CLucene/queryParser/MultiFieldQueryParser.cpp b/src/3rdparty/clucene/src/CLucene/queryParser/MultiFieldQueryParser.cpp
index ea93ec4efd..b57896b66a 100644
--- a/src/3rdparty/clucene/src/CLucene/queryParser/MultiFieldQueryParser.cpp
+++ b/src/3rdparty/clucene/src/CLucene/queryParser/MultiFieldQueryParser.cpp
@@ -21,51 +21,62 @@ CL_NS_USE(analysis)
 
 CL_NS_DEF(queryParser)
 
-MultiFieldQueryParser::MultiFieldQueryParser(const TCHAR** fields, CL_NS(analysis)::Analyzer* a, BoostMap* boosts):
-	QueryParser(NULL,a)
+MultiFieldQueryParser::MultiFieldQueryParser(const TCHAR** fields,
+    CL_NS(analysis)::Analyzer* analyzer, BoostMap* boosts)
+    : QueryParser(NULL, analyzer)
 {
 	this->fields = fields;
     this->boosts = boosts;
 }
-MultiFieldQueryParser::~MultiFieldQueryParser(){
+
+MultiFieldQueryParser::~MultiFieldQueryParser()
+{
 }
 
 //static 
-Query* MultiFieldQueryParser::parse(const TCHAR* query, const TCHAR** fields, Analyzer* analyzer)
+Query* MultiFieldQueryParser::parse(const TCHAR* query, const TCHAR** fields,
+    Analyzer* analyzer)
 {
     BooleanQuery* bQuery = _CLNEW BooleanQuery();
     int32_t i = 0;
-    while ( fields[i] != NULL ){
-		   Query* q = QueryParser::parse(query, fields[i], analyzer);
-			bQuery->add(q, true, false, false);
-
+    while (fields[i] != NULL){
+        Query* q = QueryParser::parse(query, fields[i], analyzer);
+        if (q && (q->getQueryName() != _T("BooleanQuery")
+          || ((BooleanQuery*)q)->getClauseCount() > 0)) {
+            bQuery->add(q , true, false, false);
+        } else {
+            _CLDELETE(q);
+        }
         i++;
     }
     return bQuery;
 }
 
 //static 
-Query* MultiFieldQueryParser::parse(const TCHAR* query, const TCHAR** fields, const uint8_t* flags, Analyzer* analyzer)
+Query* MultiFieldQueryParser::parse(const TCHAR* query, const TCHAR** fields,
+    const uint8_t* flags, Analyzer* analyzer)
 {
     BooleanQuery* bQuery = _CLNEW BooleanQuery();
     int32_t i = 0;
-    while ( fields[i] != NULL )
-    {
-		Query* q = QueryParser::parse(query, fields[i], analyzer);
-        uint8_t flag = flags[i];
-        switch (flag)
-        {
-			case MultiFieldQueryParser::REQUIRED_FIELD:
-                bQuery->add(q, true, true, false);
-                break;
-            case MultiFieldQueryParser::PROHIBITED_FIELD:
-                bQuery->add(q, true, false, true);
-                break;
-            default:
-                bQuery->add(q, true, false, false);
-                break;
+    while ( fields[i] != NULL ) {
+        Query* q = QueryParser::parse(query, fields[i], analyzer);
+        if (q && (q->getQueryName() != _T("BooleanQuery")
+          || ((BooleanQuery*)q)->getClauseCount() > 0)) {
+            uint8_t flag = flags[i];
+            switch (flag) {
+                case MultiFieldQueryParser::REQUIRED_FIELD:
+                    bQuery->add(q, true, true, false);
+                    break;
+                case MultiFieldQueryParser::PROHIBITED_FIELD:
+                    bQuery->add(q, true, false, true);
+                    break;
+                default:
+                    bQuery->add(q, true, false, false);
+                    break;
+            }
+        } else {
+            _CLDELETE(q);
         }
-
         i++;
     }
     return bQuery;
diff --git a/src/3rdparty/clucene/src/CLucene/store/FSDirectory.cpp b/src/3rdparty/clucene/src/CLucene/store/FSDirectory.cpp
index e9659cff1b..5f96e91cdf 100644
--- a/src/3rdparty/clucene/src/CLucene/store/FSDirectory.cpp
+++ b/src/3rdparty/clucene/src/CLucene/store/FSDirectory.cpp
@@ -91,7 +91,7 @@ QString FSDirectory::FSLock::toString() const
 // # pragma mark -- FSDirectory::FSIndexInput
 
 FSDirectory::FSIndexInput::FSIndexInput(const QString& path, int32_t bufferSize)
-    : BufferedIndexInput(bufferSize)	
+    : BufferedIndexInput(bufferSize)
 {
     CND_PRECONDITION(!path.isEmpty(), "path is NULL");
 
@@ -155,7 +155,7 @@ FSDirectory::FSIndexInput::FSIndexInput(const FSIndexInput& other)
     if (other.handle == NULL)
         _CLTHROWA(CL_ERR_NullPointer, "other handle is null");
 
-    SCOPED_LOCK_MUTEX(other.handle->THIS_LOCK)
+    SCOPED_LOCK_MUTEX(*other.handle->THIS_LOCK)
 
     _pos = other.handle->_fpos;
     handle = _CL_POINTER(other.handle);
@@ -169,7 +169,30 @@ FSDirectory::FSIndexInput::~FSIndexInput()
 void FSDirectory::FSIndexInput::close()
 {
     BufferedIndexInput::close();
+#ifdef _LUCENE_THREADMUTEX
+    if (handle != NULL) {
+        // Here we have a bit of a problem... We need to lock the handle to
+        // ensure that we can safely delete the handle... But if we delete the
+        // handle, then the scoped unlock, won't be able to unlock the mutex...
+
+        // take a reference of the lock object...
+        _LUCENE_THREADMUTEX* mutex = handle->THIS_LOCK;
+        //lock the mutex
+        mutex->lock();
+
+        // determine if we are about to delete the handle...
+        bool doUnlock = (handle->__cl_refcount > 1);
+        // decdelete (deletes if refcount is down to 0)
+        _CLDECDELETE(handle);
+
+        if (doUnlock)
+            mutex->unlock();
+        else
+            delete mutex;
+    }
+#else
     _CLDECDELETE(handle);
+#endif
 }
 
 IndexInput* FSDirectory::FSIndexInput::clone() const
@@ -186,7 +209,7 @@ void FSDirectory::FSIndexInput::seekInternal(const int64_t position)
 
 void FSDirectory::FSIndexInput::readInternal(uint8_t* b, const int32_t len)
 {
-    SCOPED_LOCK_MUTEX(handle->THIS_LOCK)
+    SCOPED_LOCK_MUTEX(*handle->THIS_LOCK)
 
     CND_PRECONDITION(handle != NULL, "shared file handle has closed");
     CND_PRECONDITION(handle->fhandle.isOpen(), "file is not open");
@@ -214,8 +237,10 @@ void FSDirectory::FSIndexInput::readInternal(uint8_t* b, const int32_t len)
 FSDirectory::FSIndexInput::SharedHandle::SharedHandle()
     : _fpos(0)
     , _length(0)
-
 {
+#ifdef _LUCENE_THREADMUTEX
+    THIS_LOCK = new _LUCENE_THREADMUTEX;
+#endif
 }
 
 FSDirectory::FSIndexInput::SharedHandle::~SharedHandle()
diff --git a/src/3rdparty/clucene/src/CLucene/store/FSDirectory.h b/src/3rdparty/clucene/src/CLucene/store/FSDirectory.h
index 1302edff9f..e967380e0b 100644
--- a/src/3rdparty/clucene/src/CLucene/store/FSDirectory.h
+++ b/src/3rdparty/clucene/src/CLucene/store/FSDirectory.h
@@ -147,7 +147,7 @@ private:
 
         void close();
         IndexInput* clone() const;
-                
+
         int64_t length()
         { return handle->_length; }
 
@@ -174,7 +174,7 @@ private:
             int64_t _length;
             
             QFile fhandle;
-            DEFINE_MUTEX(THIS_LOCK)
+            DEFINE_MUTEX(*THIS_LOCK)
         };
         SharedHandle* handle;
         int64_t _pos;
diff --git a/src/3rdparty/clucene/src/CLucene/util/bufferedstream.h b/src/3rdparty/clucene/src/CLucene/util/bufferedstream.h
index 2455d5e5a1..b73ad98d72 100644
--- a/src/3rdparty/clucene/src/CLucene/util/bufferedstream.h
+++ b/src/3rdparty/clucene/src/CLucene/util/bufferedstream.h
@@ -28,7 +28,9 @@
 
 #include "streambase.h"
 #include "inputstreambuffer.h"
+
 #include <cassert>
+#include <stdio.h>
 
 namespace jstreams {
 
diff --git a/src/3rdparty/phonon/ds9/qevr9.h b/src/3rdparty/phonon/ds9/qevr9.h
new file mode 100644
index 0000000000..8599fce269
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/qevr9.h
@@ -0,0 +1,143 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <d3d9.h>
+
+#define	DXVA2_ProcAmp_Brightness 1
+#define DXVA2_ProcAmp_Contrast   2
+#define DXVA2_ProcAmp_Hue        4
+#define DXVA2_ProcAmp_Saturation 8
+
+typedef enum {
+    MFVideoARMode_None             = 0x00000000,
+    MFVideoARMode_PreservePicture  = 0x00000001,
+    MFVideoARMode_PreservePixel    = 0x00000002,
+    MFVideoARMode_NonLinearStretch = 0x00000004,
+    MFVideoARMode_Mask             = 0x00000007
+} MFVideoAspectRatioMode;
+
+typedef struct {
+    float  left;
+    float  top;
+    float  right;
+    float  bottom;
+} MFVideoNormalizedRect;
+
+typedef struct {
+    UINT    DeviceCaps;
+    D3DPOOL InputPool;
+    UINT    NumForwardRefSamples;
+    UINT    NumBackwardRefSamples;
+    UINT    Reserved;
+    UINT    DeinterlaceTechnology;
+    UINT    ProcAmpControlCaps;
+    UINT    VideoProcessorOperations;
+    UINT    NoiseFilterTechnology;
+    UINT    DetailFilterTechnology;
+} DXVA2_VideoProcessorCaps;
+
+typedef struct {
+    union {
+        struct {
+            USHORT Fraction;
+            SHORT  Value;
+        };
+        LONG ll;
+    };
+} DXVA2_Fixed32;
+
+typedef struct {
+    DXVA2_Fixed32 MinValue;
+    DXVA2_Fixed32 MaxValue;
+    DXVA2_Fixed32 DefaultValue;
+    DXVA2_Fixed32 StepSize;
+} DXVA2_ValueRange;
+
+typedef struct {
+    DXVA2_Fixed32 Brightness;
+    DXVA2_Fixed32 Contrast;
+    DXVA2_Fixed32 Hue;
+    DXVA2_Fixed32 Saturation;
+} DXVA2_ProcAmpValues;
+
+DXVA2_Fixed32 DXVA2FloatToFixed(const float _float_)
+{
+    DXVA2_Fixed32 _fixed_;
+    _fixed_.Fraction = LOWORD(_float_ * 0x10000);
+    _fixed_.Value = HIWORD(_float_ * 0x10000);
+    return _fixed_;
+}
+
+float DXVA2FixedToFloat(const DXVA2_Fixed32 _fixed_)
+{
+    return (FLOAT)_fixed_.Value + (FLOAT)_fixed_.Fraction / 0x10000;
+}
+
+#undef INTERFACE
+#define INTERFACE IMFVideoDisplayControl
+DECLARE_INTERFACE_(IMFVideoDisplayControl, IUnknown)
+{
+    STDMETHOD(GetNativeVideoSize)(THIS_ SIZE* pszVideo, SIZE* pszARVideo) PURE;
+    STDMETHOD(GetIdealVideoSize)(THIS_ SIZE* pszMin, SIZE* pszMax) PURE;
+    STDMETHOD(SetVideoPosition)(THIS_ const MFVideoNormalizedRect* pnrcSource, const LPRECT prcDest) PURE;
+    STDMETHOD(GetVideoPosition)(THIS_ MFVideoNormalizedRect* pnrcSource, LPRECT prcDest) PURE;
+    STDMETHOD(SetAspectRatioMode)(THIS_ DWORD dwAspectRatioMode) PURE;
+    STDMETHOD(GetAspectRatioMode)(THIS_ DWORD* pdwAspectRatioMode) PURE;
+    STDMETHOD(SetVideoWindow)(THIS_ HWND hwndVideo) PURE;
+    STDMETHOD(GetVideoWindow)(THIS_ HWND* phwndVideo) PURE;
+    STDMETHOD(RepaintVideo)(THIS_) PURE;
+    STDMETHOD(GetCurrentImage)(THIS_ BITMAPINFOHEADER* pBih, BYTE** pDib, DWORD* pcbDib, LONGLONG* pTimeStamp) PURE;
+    STDMETHOD(SetBorderColor)(THIS_ COLORREF Clr) PURE;
+    STDMETHOD(GetBorderColor)(THIS_ COLORREF* pClr) PURE;
+    STDMETHOD(SetRenderingPrefs)(THIS_ DWORD dwRenderFlags) PURE;
+    STDMETHOD(GetRenderingPrefs)(THIS_ DWORD* pdwRenderFlags) PURE;
+    STDMETHOD(SetFullScreen)(THIS_ BOOL fFullscreen) PURE;
+    STDMETHOD(GetFullScreen)(THIS_ BOOL* pfFullscreen) PURE;
+};
+#undef INTERFACE
+#define INTERFACE IMFVideoMixerControl
+DECLARE_INTERFACE_(IMFVideoMixerControl, IUnknown)
+{
+    STDMETHOD(SetStreamZOrder)(THIS_ DWORD dwStreamID, DWORD dwZ) PURE;
+    STDMETHOD(GetStreamZOrder)(THIS_ DWORD dwStreamID, DWORD* pdwZ) PURE;
+    STDMETHOD(SetStreamOutputRect)(THIS_ DWORD dwStreamID, const MFVideoNormalizedRect* pnrcOutput) PURE;
+    STDMETHOD(GetStreamOutputRect)(THIS_ DWORD dwStreamID, MFVideoNormalizedRect* pnrcOutput) PURE;
+};
+#undef INTERFACE
+#define INTERFACE IMFVideoProcessor
+DECLARE_INTERFACE_(IMFVideoProcessor, IUnknown)
+{
+    STDMETHOD(GetAvailableVideoProcessorModes)(THIS_ UINT* lpdwNumProcessingModes, GUID** ppVideoProcessingModes) PURE;
+    STDMETHOD(GetVideoProcessorCaps)(THIS_ LPGUID lpVideoProcessorMode, DXVA2_VideoProcessorCaps* lpVideoProcessorCaps) PURE;
+    STDMETHOD(GetVideoProcessorMode)(THIS_ LPGUID lpMode) PURE;
+    STDMETHOD(SetVideoProcessorMode)(THIS_ LPGUID lpMode) PURE;
+    STDMETHOD(GetProcAmpRange)(THIS_ DWORD dwProperty, DXVA2_ValueRange* pPropRange) PURE;
+    STDMETHOD(GetProcAmpValues)(THIS_ DWORD dwFlags, DXVA2_ProcAmpValues* Values) PURE;
+    STDMETHOD(SetProcAmpValues)(THIS_ DWORD  dwFlags, DXVA2_ProcAmpValues*  pValues) PURE;
+    STDMETHOD(GetFilteringRange)(THIS_ DWORD dwProperty, DXVA2_ValueRange* pPropRange) PURE;
+    STDMETHOD(GetFilteringValue)(THIS_ DWORD dwProperty, DXVA2_Fixed32* pValue) PURE;
+    STDMETHOD(SetFilteringValue)(THIS_ DWORD dwProperty, DXVA2_Fixed32* pValue) PURE;
+    STDMETHOD(GetBackgroundColor)(THIS_ COLORREF* lpClrBkg) PURE;
+    STDMETHOD(SetBackgroundColor)(THIS_ COLORREF ClrBkg) PURE;
+};
+#undef INTERFACE
+#define INTERFACE IMFGetService
+DECLARE_INTERFACE_(IMFGetService, IUnknown)
+{
+    STDMETHOD(GetService)(THIS_ REFGUID guidService, REFIID riid, LPVOID* ppvObject) PURE;
+};
+#undef INTERFACE
diff --git a/src/3rdparty/phonon/ds9/videorenderer_default.cpp b/src/3rdparty/phonon/ds9/videorenderer_default.cpp
new file mode 100644
index 0000000000..0045a49bca
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/videorenderer_default.cpp
@@ -0,0 +1,153 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "videorenderer_default.h"
+
+#ifndef QT_NO_PHONON_VIDEO
+
+#include <QtGui/QWidget>
+#include <QtGui/QPainter>
+
+#include <uuids.h>
+
+QT_BEGIN_NAMESPACE
+
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        VideoRendererDefault::~VideoRendererDefault()
+        {
+        }
+
+        bool VideoRendererDefault::isNative() const
+        {
+            return true;
+        }
+
+
+        VideoRendererDefault::VideoRendererDefault(QWidget *target) : m_target(target)
+        {
+            m_target->setAttribute(Qt::WA_PaintOnScreen, true);
+            m_filter = Filter(CLSID_VideoRenderer, IID_IBaseFilter);
+        }
+
+        QSize VideoRendererDefault::videoSize() const
+        {
+            LONG w = 0,
+                h = 0;
+            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
+            if (basic) {
+                basic->GetVideoSize( &w, &h);
+            }
+            return QSize(w, h);
+        }
+
+        void VideoRendererDefault::repaintCurrentFrame(QWidget * /*target*/, const QRect & /*rect*/)
+        {
+            //nothing to do here: the renderer paints everything
+        }
+
+        void VideoRendererDefault::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio,
+            Phonon::VideoWidget::ScaleMode scaleMode)
+        {
+            if (!isActive()) {
+                ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
+                if (basic) {
+                    basic->SetDestinationPosition(0, 0, 0, 0);
+                }
+                return;
+            }
+
+            ComPointer<IVideoWindow> video(m_filter, IID_IVideoWindow);
+
+            OAHWND owner;
+            HRESULT hr = video->get_Owner(&owner);
+            if (FAILED(hr)) {
+                return;
+            }
+
+            const OAHWND newOwner = reinterpret_cast<OAHWND>(m_target->winId());
+            if (owner != newOwner) {
+                video->put_Owner(newOwner);
+                video->put_MessageDrain(newOwner);
+                video->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
+            }
+
+            //make sure the widget takes the whole size of the parent
+            video->SetWindowPosition(0, 0, size.width(), size.height());
+
+            const QSize vsize = videoSize();
+            internalNotifyResize(size, vsize, aspectRatio, scaleMode);
+
+            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
+            if (basic) {
+                basic->SetDestinationPosition(m_dstX, m_dstY, m_dstWidth, m_dstHeight);
+            }
+        }
+
+        void VideoRendererDefault::applyMixerSettings(qreal /*brightness*/, qreal /*contrast*/, qreal /*m_hue*/, qreal /*saturation*/)
+        {
+            //this can't be supported for the default renderer
+        }
+
+        QImage VideoRendererDefault::snapshot() const
+        {
+            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
+            if (basic) {
+                LONG bufferSize = 0;
+                //1st we get the buffer size
+                basic->GetCurrentImage(&bufferSize, 0);
+
+                QByteArray buffer;
+                buffer.resize(bufferSize);
+                HRESULT hr = basic->GetCurrentImage(&bufferSize, reinterpret_cast<long*>(buffer.data()));
+
+                if (SUCCEEDED(hr)) {
+
+                    const BITMAPINFOHEADER  *bmi = reinterpret_cast<const BITMAPINFOHEADER*>(buffer.constData());
+
+                    const int w = qAbs(bmi->biWidth),
+                        h = qAbs(bmi->biHeight);
+
+                    // Create image and copy data into image.
+                    QImage ret(w, h, QImage::Format_RGB32);
+
+                    if (!ret.isNull()) {
+                        const char *data = buffer.constData() + bmi->biSize;
+                        const int bytes_per_line = w * sizeof(QRgb);
+                        for (int y = h - 1; y >= 0; --y) {
+                            qMemCopy(ret.scanLine(y), //destination
+                                data,     //source
+                                bytes_per_line);
+                            data += bytes_per_line;
+                        }
+                    }
+                    return ret;
+                }
+            }
+            return QImage();
+        }
+
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_PHONON_VIDEO
diff --git a/src/3rdparty/phonon/ds9/videorenderer_default.h b/src/3rdparty/phonon/ds9/videorenderer_default.h
new file mode 100644
index 0000000000..43768d9953
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/videorenderer_default.h
@@ -0,0 +1,55 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_VIDEORENDERER_DEFAULT_H
+#define PHONON_VIDEORENDERER_DEFAULT_H
+
+#include "abstractvideorenderer.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_PHONON_VIDEO
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        class VideoRendererDefault : public AbstractVideoRenderer
+        {
+        public:
+            VideoRendererDefault(QWidget *target);
+            ~VideoRendererDefault();
+
+            //Implementation from AbstractVideoRenderer
+            void repaintCurrentFrame(QWidget *target, const QRect &rect);
+            void notifyResize(const QSize&, Phonon::VideoWidget::AspectRatio, Phonon::VideoWidget::ScaleMode);
+            QSize videoSize() const;
+            QImage snapshot() const;
+            void applyMixerSettings(qreal brightness, qreal contrast, qreal m_hue, qreal saturation);
+            bool isNative() const;
+        private:
+            QWidget *m_target;
+        };
+    }
+}
+
+#endif //QT_NO_PHONON_VIDEO
+
+QT_END_NAMESPACE
+
+#endif
+
diff --git a/src/3rdparty/phonon/ds9/videorenderer_evr.cpp b/src/3rdparty/phonon/ds9/videorenderer_evr.cpp
new file mode 100644
index 0000000000..d23d9ce929
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/videorenderer_evr.cpp
@@ -0,0 +1,215 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "videorenderer_evr.h"
+#include "qevr9.h"
+
+#ifndef QT_NO_PHONON_VIDEO
+
+#include <QtGui/QWidget>
+#include <QtGui/QPainter>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        //we have to define them here because not all compilers/sdk have them
+        static const GUID MR_VIDEO_RENDER_SERVICE =     {0x1092a86c, 0xab1a, 0x459a, {0xa3, 0x36, 0x83, 0x1f, 0xbc, 0x4d, 0x11, 0xff} };
+        static const GUID MR_VIDEO_MIXER_SERVICE =      { 0x73cd2fc, 0x6cf4, 0x40b7, {0x88, 0x59, 0xe8, 0x95, 0x52, 0xc8, 0x41, 0xf8} };
+        static const IID IID_IMFVideoDisplayControl =   {0xa490b1e4, 0xab84, 0x4d31, {0xa1, 0xb2, 0x18, 0x1e, 0x03, 0xb1, 0x07, 0x7a} };
+        static const IID IID_IMFVideoMixerControl =     {0xA5C6C53F, 0xC202, 0x4aa5, {0x96, 0x95, 0x17, 0x5B, 0xA8, 0xC5, 0x08, 0xA5} };
+        static const IID IID_IMFVideoProcessor =        {0x6AB0000C, 0xFECE, 0x4d1f, {0xA2, 0xAC, 0xA9, 0x57, 0x35, 0x30, 0x65, 0x6E} };
+        static const IID IID_IMFGetService =            {0xFA993888, 0x4383, 0x415A, {0xA9, 0x30, 0xDD, 0x47, 0x2A, 0x8C, 0xF6, 0xF7} };
+        static const GUID CLSID_EnhancedVideoRenderer = {0xfa10746c, 0x9b63, 0x4b6c, {0xbc, 0x49, 0xfc, 0x30,  0xe, 0xa5, 0xf2, 0x56} };
+
+        template <typename T> ComPointer<T> getService(const Filter &filter, REFGUID guidService, REFIID riid)
+        {
+            //normally we should use IID_IMFGetService but this introduces another dependency
+            //so here we simply define our own IId with the same value
+            ComPointer<IMFGetService> getService(filter, IID_IMFGetService);
+            Q_ASSERT(getService);
+            T *ptr = 0;
+            HRESULT hr = getService->GetService(guidService, riid, reinterpret_cast<void **>(&ptr));
+            if (!SUCCEEDED(hr) || ptr == 0)
+                Q_ASSERT(!SUCCEEDED(hr) && ptr != 0);
+            ComPointer<T> service(ptr);
+            return service;
+        }
+
+        VideoRendererEVR::~VideoRendererEVR()
+        {
+        }
+
+        bool VideoRendererEVR::isNative() const
+        {
+            return true;
+        }
+
+        VideoRendererEVR::VideoRendererEVR(QWidget *target) : m_target(target)
+        {
+            m_filter = Filter(CLSID_EnhancedVideoRenderer, IID_IBaseFilter);
+            if (!m_filter) {
+                return;
+            }
+
+            ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+            filterControl->SetVideoWindow(reinterpret_cast<HWND>(target->winId()));
+            filterControl->SetAspectRatioMode(MFVideoARMode_None); // We're in control of the size
+        }
+
+        QImage VideoRendererEVR::snapshot() const
+        {
+            // This will always capture black areas where no video is drawn, if any are present.
+            // Due to the hack in notifyResize()
+            ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+            if (filterControl) {
+                BITMAPINFOHEADER bmi;
+                BYTE *buffer = 0;
+                DWORD bufferSize;
+                LONGLONG timeStamp;
+
+                bmi.biSize = sizeof(BITMAPINFOHEADER);
+
+                HRESULT hr = filterControl->GetCurrentImage(&bmi, &buffer, &bufferSize, &timeStamp);
+                if (SUCCEEDED(hr)) {
+
+                    const int w = qAbs(bmi.biWidth),
+                        h = qAbs(bmi.biHeight);
+
+                    // Create image and copy data into image.
+                    QImage ret(w, h, QImage::Format_RGB32);
+
+                    if (!ret.isNull()) {
+                        uchar *data = buffer;
+                        const int bytes_per_line = w * sizeof(QRgb);
+                        for (int y = h - 1; y >= 0; --y) {
+                            qMemCopy(ret.scanLine(y), //destination
+                                data,     //source
+                                bytes_per_line);
+                            data += bytes_per_line;
+                        }
+                    }
+                    ::CoTaskMemFree(buffer);
+                    return ret;
+                }
+            }
+            return QImage();
+        }
+
+        QSize VideoRendererEVR::videoSize() const
+        {
+            SIZE nativeSize;
+            SIZE aspectRatioSize;
+
+            ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+            filterControl->GetNativeVideoSize(&nativeSize, &aspectRatioSize);
+
+            return QSize(nativeSize.cx, nativeSize.cy);
+        }
+       
+        void VideoRendererEVR::repaintCurrentFrame(QWidget *target, const QRect &rect)
+        {
+            // repaint the video
+            ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+            // All failed results can be safely ignored
+            filterControl->RepaintVideo();
+        }
+
+        void VideoRendererEVR::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio,
+            Phonon::VideoWidget::ScaleMode scaleMode)
+        {
+            if (!isActive()) {
+                RECT dummyRect = { 0, 0, 0, 0};
+                ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+                filterControl->SetVideoPosition(0, &dummyRect);
+                return;
+            }
+
+            const QSize vsize = videoSize();
+            internalNotifyResize(size, vsize, aspectRatio, scaleMode);
+
+            RECT dstRectWin = { 0, 0, size.width(), size.height()};
+
+            // Resize the Stream output rect instead of the destination rect.
+            // Hacky workaround for flicker in the areas outside of the destination rect
+            // This way these areas don't exist
+            MFVideoNormalizedRect streamOutputRect = { float(m_dstX) / float(size.width()), float(m_dstY) / float(size.height()),
+                                                       float(m_dstWidth + m_dstX) / float(size.width()), float(m_dstHeight + m_dstY) / float(size.height())};
+
+            ComPointer<IMFVideoMixerControl> filterMixer = getService<IMFVideoMixerControl>(m_filter, MR_VIDEO_MIXER_SERVICE, IID_IMFVideoMixerControl);
+            ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(m_filter, MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+            filterMixer->SetStreamOutputRect(0, &streamOutputRect);
+            filterControl->SetVideoPosition(0, &dstRectWin);
+        }
+
+        void VideoRendererEVR::applyMixerSettings(qreal brightness, qreal contrast, qreal hue, qreal saturation)
+        {
+            InputPin sink = BackendNode::pins(m_filter, PINDIR_INPUT).first();
+            OutputPin source;
+            if (FAILED(sink->ConnectedTo(source.pparam()))) {
+                return; //it must be connected to work
+            }
+
+            // Get the "Video Processor" (used for brightness/contrast/saturation/hue)
+            ComPointer<IMFVideoProcessor> processor = getService<IMFVideoProcessor>(m_filter, MR_VIDEO_MIXER_SERVICE, IID_IMFVideoProcessor);
+            Q_ASSERT(processor);
+
+            DXVA2_ValueRange contrastRange;
+            DXVA2_ValueRange brightnessRange;
+            DXVA2_ValueRange saturationRange;
+            DXVA2_ValueRange hueRange;
+
+            if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Contrast, &contrastRange)))
+                return;
+            if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Brightness, &brightnessRange)))
+                return;
+            if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Saturation, &saturationRange)))
+                return;
+            if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Hue, &hueRange)))
+                return;
+
+            DXVA2_ProcAmpValues values;
+
+            values.Contrast = DXVA2FloatToFixed(((contrast < 0
+                                ? DXVA2FixedToFloat(contrastRange.MinValue) : DXVA2FixedToFloat(contrastRange.MaxValue))
+                               - DXVA2FixedToFloat(contrastRange.DefaultValue)) * qAbs(contrast) + DXVA2FixedToFloat(contrastRange.DefaultValue));
+            values.Brightness = DXVA2FloatToFixed(((brightness < 0
+                                ? DXVA2FixedToFloat(brightnessRange.MinValue) : DXVA2FixedToFloat(brightnessRange.MaxValue))
+                               - DXVA2FixedToFloat(brightnessRange.DefaultValue)) * qAbs(brightness) + DXVA2FixedToFloat(brightnessRange.DefaultValue));
+            values.Saturation = DXVA2FloatToFixed(((saturation < 0
+                                ? DXVA2FixedToFloat(saturationRange.MinValue) : DXVA2FixedToFloat(saturationRange.MaxValue))
+                               - DXVA2FixedToFloat(saturationRange.DefaultValue)) * qAbs(saturation) + DXVA2FixedToFloat(saturationRange.DefaultValue));
+            values.Hue = DXVA2FloatToFixed(((hue < 0
+                                ? DXVA2FixedToFloat(hueRange.MinValue) : DXVA2FixedToFloat(hueRange.MaxValue))
+                               - DXVA2FixedToFloat(hueRange.DefaultValue)) * qAbs(hue) + DXVA2FixedToFloat(hueRange.DefaultValue));
+
+            //finally set the settings
+            processor->SetProcAmpValues(DXVA2_ProcAmp_Contrast | DXVA2_ProcAmp_Brightness | DXVA2_ProcAmp_Saturation | DXVA2_ProcAmp_Hue, &values);
+
+        }
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_PHONON_VIDEO
diff --git a/src/3rdparty/phonon/ds9/videorenderer_evr.h b/src/3rdparty/phonon/ds9/videorenderer_evr.h
new file mode 100644
index 0000000000..229c36d6b8
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/videorenderer_evr.h
@@ -0,0 +1,56 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_VIDEORENDERER_EVR_H
+#define PHONON_VIDEORENDERER_EVR_H
+
+#include "abstractvideorenderer.h"
+#include "compointer.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_PHONON_VIDEO
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        class VideoRendererEVR : public AbstractVideoRenderer
+        {
+        public:
+            VideoRendererEVR(QWidget *target);
+            ~VideoRendererEVR();
+
+            //Implementation from AbstractVideoRenderer
+            void repaintCurrentFrame(QWidget *target, const QRect &rect);
+            void notifyResize(const QSize&, Phonon::VideoWidget::AspectRatio, Phonon::VideoWidget::ScaleMode);
+            QSize videoSize() const;
+            QImage snapshot() const;
+            void applyMixerSettings(qreal brightness, qreal contrast, qreal m_hue, qreal saturation);
+            bool isNative() const;
+        private:
+            QWidget *m_target;
+        };
+    }
+}
+
+#endif //QT_NO_PHONON_VIDEO
+
+QT_END_NAMESPACE
+
+#endif
+
diff --git a/src/3rdparty/phonon/ds9/videorenderer_vmr9.cpp b/src/3rdparty/phonon/ds9/videorenderer_vmr9.cpp
index 81ebb8bfcb..545b31eea9 100644
--- a/src/3rdparty/phonon/ds9/videorenderer_vmr9.cpp
+++ b/src/3rdparty/phonon/ds9/videorenderer_vmr9.cpp
@@ -22,14 +22,9 @@ along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <QtGui/QWidget>
 #include <QtGui/QPainter>
-#include <QtCore/QTimerEvent>
 
-#ifndef Q_OS_WINCE
 #include <d3d9.h>
 #include <vmr9.h>
-#else
-#include <uuids.h>
-#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -48,116 +43,10 @@ namespace Phonon
         }
 
 
-#ifdef Q_OS_WINCE
-        VideoRendererVMR9::VideoRendererVMR9(QWidget *target) : m_target(target)
-        {
-            m_target->setAttribute(Qt::WA_PaintOnScreen, true);
-            m_filter = Filter(CLSID_VideoRenderer, IID_IBaseFilter);
-        }
-
-        QSize VideoRendererVMR9::videoSize() const
-        {
-            LONG w = 0,
-                h = 0;
-            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
-            if (basic) {
-                basic->GetVideoSize( &w, &h);
-            }
-            return QSize(w, h);
-        }
-
-        void VideoRendererVMR9::repaintCurrentFrame(QWidget * /*target*/, const QRect & /*rect*/)
-        {
-            //nothing to do here: the renderer paints everything
-        }
-
-        void VideoRendererVMR9::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio,
-            Phonon::VideoWidget::ScaleMode scaleMode)
-        {
-            if (!isActive()) {
-                ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
-                if (basic) {
-                    basic->SetDestinationPosition(0, 0, 0, 0);
-                }
-                return;
-            }
-
-            ComPointer<IVideoWindow> video(m_filter, IID_IVideoWindow);
-
-            OAHWND owner;
-            HRESULT hr = video->get_Owner(&owner);
-            if (FAILED(hr)) {
-                return;
-            }
-
-            const OAHWND newOwner = reinterpret_cast<OAHWND>(m_target->winId());
-            if (owner != newOwner) {
-                video->put_Owner(newOwner);
-                video->put_MessageDrain(newOwner);
-                video->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
-            }
-
-            //make sure the widget takes the whole size of the parent
-            video->SetWindowPosition(0, 0, size.width(), size.height());
-
-            const QSize vsize = videoSize();
-            internalNotifyResize(size, vsize, aspectRatio, scaleMode);
-
-            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
-            if (basic) {
-                basic->SetDestinationPosition(m_dstX, m_dstY, m_dstWidth, m_dstHeight);
-            }
-        }
-
-        void VideoRendererVMR9::applyMixerSettings(qreal /*brightness*/, qreal /*contrast*/, qreal /*m_hue*/, qreal /*saturation*/)
-        {
-            //this can't be supported for WinCE
-        }
-
-        QImage VideoRendererVMR9::snapshot() const
-        {
-            ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo);
-            if (basic) {
-                LONG bufferSize = 0;
-                //1st we get the buffer size
-                basic->GetCurrentImage(&bufferSize, 0);
-
-                QByteArray buffer;
-                buffer.resize(bufferSize);
-                HRESULT hr = basic->GetCurrentImage(&bufferSize, reinterpret_cast<long*>(buffer.data()));
-
-                if (SUCCEEDED(hr)) {
-
-                    const BITMAPINFOHEADER  *bmi = reinterpret_cast<const BITMAPINFOHEADER*>(buffer.constData());
-
-                    const int w = qAbs(bmi->biWidth),
-                        h = qAbs(bmi->biHeight);
-
-                    // Create image and copy data into image.
-                    QImage ret(w, h, QImage::Format_RGB32);
-
-                    if (!ret.isNull()) {
-                        const char *data = buffer.constData() + bmi->biSize;
-                        const int bytes_per_line = w * sizeof(QRgb);
-                        for (int y = h - 1; y >= 0; --y) {
-                            qMemCopy(ret.scanLine(y), //destination
-                                data,     //source
-                                bytes_per_line);
-                            data += bytes_per_line;
-                        }
-                    }
-                    return ret;
-                }
-            }
-            return QImage();
-        }
-
-#else
         VideoRendererVMR9::VideoRendererVMR9(QWidget *target) : m_target(target)
         {
             m_filter = Filter(CLSID_VideoMixingRenderer9, IID_IBaseFilter);
             if (!m_filter) {
-                qWarning("the video widget could not be initialized correctly");
                 return;
             }
 
@@ -325,7 +214,6 @@ namespace Phonon
             //finally set the settings
             mixer->SetProcAmpControl(0, &ctrl);
         }
-#endif
     }
 }
 
diff --git a/src/3rdparty/phonon/ds9/videorenderer_vmr9.h b/src/3rdparty/phonon/ds9/videorenderer_vmr9.h
index 4eb237e128..516d79d875 100644
--- a/src/3rdparty/phonon/ds9/videorenderer_vmr9.h
+++ b/src/3rdparty/phonon/ds9/videorenderer_vmr9.h
@@ -19,7 +19,6 @@ along with this library.  If not, see <http://www.gnu.org/licenses/>.
 #define PHONON_VIDEORENDERER_VMR9_H
 
 #include "abstractvideorenderer.h"
-#include "compointer.h"
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/3rdparty/phonon/ds9/videowidget.cpp b/src/3rdparty/phonon/ds9/videowidget.cpp
index 95423c68ae..09d42a44ec 100644
--- a/src/3rdparty/phonon/ds9/videowidget.cpp
+++ b/src/3rdparty/phonon/ds9/videowidget.cpp
@@ -24,7 +24,12 @@ along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "mediaobject.h"
 
+#ifndef Q_OS_WINCE
+#include "videorenderer_evr.h"
 #include "videorenderer_vmr9.h"
+#else
+#include "videorenderer_default.h"
+#endif
 #include "videorenderer_soft.h"
 
 QT_BEGIN_NAMESPACE
@@ -352,14 +357,29 @@ namespace Phonon
             int index = graphIndex * 2 + type;
             if (m_renderers[index] == 0 && autoCreate) {
                 AbstractVideoRenderer *renderer = 0;
-				if (type == Native) {
-                    renderer = new VideoRendererVMR9(m_widget);
+                if (type == Native) {
+#ifndef Q_OS_WINCE
+                    renderer = new VideoRendererEVR(m_widget);
                     if (renderer->getFilter() == 0) {
-                        //instanciating the renderer might fail with error VFW_E_DDRAW_CAPS_NOT_SUITABLE (0x80040273)
+                        delete renderer;
+                        //EVR not present, let's try VMR
+                        renderer = new VideoRendererVMR9(m_widget);
+                        if (renderer->getFilter() == 0) {
+                            //instanciating the renderer might fail
+                            m_noNativeRendererSupported = true;
+                            delete renderer;
+                            renderer = 0;
+                        }
+                    }
+#else
+                    renderer = new VideoRendererDefault(m_widget);
+                    if (renderer->getFilter() == 0) {
+                        //instanciating the renderer might fail
                         m_noNativeRendererSupported = true;
                         delete renderer;
                         renderer = 0;
                     }
+#endif
                 }
 
                 if (renderer == 0) {
diff --git a/src/3rdparty/phonon/phonon/objectdescriptionmodel.cpp b/src/3rdparty/phonon/phonon/objectdescriptionmodel.cpp
index 7237e91c93..bf5be6d8b2 100644
--- a/src/3rdparty/phonon/phonon/objectdescriptionmodel.cpp
+++ b/src/3rdparty/phonon/phonon/objectdescriptionmodel.cpp
@@ -67,8 +67,6 @@ static const char qt_meta_stringdata_Phonon__ObjectDescriptionModel_Visualizatio
 namespace Phonon
 {
 
-#if !defined(Q_CC_MINGW) || __MINGW32_MAJOR_VERSION >= 4
-
 template<> const QMetaObject ObjectDescriptionModel<AudioOutputDeviceType>::staticMetaObject = {
     { &QAbstractListModel::staticMetaObject, qt_meta_stringdata_Phonon__ObjectDescriptionModel_AudioOutputDeviceType,
       qt_meta_data_Phonon__ObjectDescriptionModel, 0 }
@@ -139,7 +137,6 @@ int ObjectDescriptionModel<type>::qt_metacall(QMetaObject::Call _c, int _id, voi
     return QAbstractListModel::qt_metacall(_c, _id, _a);
 }
 */
-#endif
 
 int ObjectDescriptionModelData::rowCount(const QModelIndex &parent) const
 {
@@ -365,8 +362,6 @@ QStringList ObjectDescriptionModelData::mimeTypes(ObjectDescriptionType type) co
     return QStringList(QLatin1String("application/x-phonon-objectdescription") + QString::number(static_cast<int>(type)));
 }
 
-#if !defined(Q_CC_MINGW) || __MINGW32_MAJOR_VERSION >= 4
-#if !defined(Q_CC_MSVC) || _MSC_VER > 1300 || defined(Q_CC_INTEL)
 #define INSTANTIATE_META_FUNCTIONS(type) \
 template const QMetaObject *ObjectDescriptionModel<type>::metaObject() const; \
 template void *ObjectDescriptionModel<type>::qt_metacast(const char *)
@@ -376,7 +371,6 @@ INSTANTIATE_META_FUNCTIONS(AudioCaptureDeviceType);
 INSTANTIATE_META_FUNCTIONS(EffectType);
 INSTANTIATE_META_FUNCTIONS(AudioChannelType);
 INSTANTIATE_META_FUNCTIONS(SubtitleType);
-#endif
 /*INSTANTIATE_META_FUNCTIONS(VideoOutputDeviceType);
 INSTANTIATE_META_FUNCTIONS(VideoCaptureDeviceType);
 INSTANTIATE_META_FUNCTIONS(AudioCodecType);
@@ -384,7 +378,6 @@ INSTANTIATE_META_FUNCTIONS(VideoCodecType);
 INSTANTIATE_META_FUNCTIONS(ContainerFormatType);
 INSTANTIATE_META_FUNCTIONS(VisualizationType);
 */
-#endif //Q_CC_MINGW
 } // namespace Phonon
 
 #endif //QT_NO_PHONON_OBJECTDESCRIPTIONMODEL
diff --git a/src/3rdparty/phonon/phonon/objectdescriptionmodel.h b/src/3rdparty/phonon/phonon/objectdescriptionmodel.h
index 96187c35e5..8fd622f46e 100644
--- a/src/3rdparty/phonon/phonon/objectdescriptionmodel.h
+++ b/src/3rdparty/phonon/phonon/objectdescriptionmodel.h
@@ -195,13 +195,6 @@ and existing builds. */
         public:
             Q_OBJECT_CHECK
 
-/* MinGW 3.4.x gives an ICE when trying to instantiate one of the
-   ObjectDescriptionModel<foo> classes because it can't handle
-   half exported classes correct. gcc 4.3.x has a fix for this but
-   we currently there's no official gcc 4.3 on windows available.
-   Because of this we need this little hack
- */
-#if !defined(Q_CC_MINGW) || __MINGW32_MAJOR_VERSION >= 4
             /** \internal */
             static PHONON_TEMPLATE_CLASS_MEMBER_EXPORT const QMetaObject staticMetaObject;
             /** \internal */
@@ -209,7 +202,6 @@ and existing builds. */
             /** \internal */
             PHONON_TEMPLATE_CLASS_MEMBER_EXPORT void *qt_metacast(const char *_clname);
             //int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
-#endif
 
             /**
              * Returns the number of rows in the model. This value corresponds
diff --git a/src/corelib/animation/qabstractanimation.cpp b/src/corelib/animation/qabstractanimation.cpp
index cedb43fbb2..f834a80ee6 100644
--- a/src/corelib/animation/qabstractanimation.cpp
+++ b/src/corelib/animation/qabstractanimation.cpp
@@ -161,7 +161,9 @@
 
 QT_BEGIN_NAMESPACE
 
+#ifndef QT_NO_THREAD
 Q_GLOBAL_STATIC(QThreadStorage<QUnifiedTimer *>, unifiedTimer)
+#endif
 
 QUnifiedTimer::QUnifiedTimer() :
     QObject(), lastTick(0), timingInterval(DEFAULT_TIMER_INTERVAL),
@@ -173,12 +175,17 @@ QUnifiedTimer::QUnifiedTimer() :
 QUnifiedTimer *QUnifiedTimer::instance()
 {
     QUnifiedTimer *inst;
+#ifndef QT_NO_THREAD
     if (!unifiedTimer()->hasLocalData()) {
         inst = new QUnifiedTimer;
         unifiedTimer()->setLocalData(inst);
     } else {
         inst = unifiedTimer()->localData();
     }
+#else
+    static QUnifiedTimer unifiedTimer;
+    inst = &unifiedTimer;
+#endif
     return inst;
 }
 
@@ -242,7 +249,7 @@ void QUnifiedTimer::timerEvent(QTimerEvent *event)
             animationTimer.stop();
             isPauseTimerActive = false;
             // invalidate the start reference time
-            time = QTime();
+            time.invalidate();
         } else {
             restartAnimationTimer();
             if (!time.isValid()) {
diff --git a/src/corelib/animation/qabstractanimation_p.h b/src/corelib/animation/qabstractanimation_p.h
index ad35d893d9..8bc3224be2 100644
--- a/src/corelib/animation/qabstractanimation_p.h
+++ b/src/corelib/animation/qabstractanimation_p.h
@@ -58,6 +58,10 @@
 #include <QtCore/qtimer.h>
 #include <private/qobject_p.h>
 
+#ifdef Q_OS_WIN
+#include <qt_windows.h>
+#endif
+
 #ifndef QT_NO_ANIMATION
 
 QT_BEGIN_NAMESPACE
@@ -109,6 +113,61 @@ private:
     Q_DECLARE_PUBLIC(QAbstractAnimation)
 };
 
+class ElapsedTimer
+{
+public:
+    ElapsedTimer() {
+        invalidate();
+    }
+
+    void invalidate() {
+        m_started = -1;
+    }
+
+    bool isValid() const {
+        return m_started >= 0;
+    }
+
+    void start() {
+        m_started = getTickCount_sys();
+    }
+
+    qint64 elapsed() const {
+        qint64 current = getTickCount_sys();
+        qint64 delta = current - m_started;
+        if (delta < 0)
+            delta += getPeriod_sys();   //we wrapped around
+        return delta;
+    }
+
+private:
+    enum {
+        MSECS_PER_HOUR = 3600000,
+        MSECS_PER_MIN = 60000
+    };
+
+    qint64 m_started;
+
+    quint64 getPeriod_sys() const {
+#ifdef Q_OS_WIN
+        return Q_UINT64_C(0x100000000);
+#else
+        // fallback
+        return 86400 * 1000;
+#endif
+    }
+
+    qint64 getTickCount_sys() const {
+#ifdef Q_OS_WIN
+        return ::GetTickCount();
+#else
+        // fallback
+        const QTime t = QTime::currentTime();
+        return MSECS_PER_HOUR * t.hour() + MSECS_PER_MIN * t.minute() + 1000 * t.second() + t.msec();
+#endif
+    }
+};
+
 
 class QUnifiedTimer : public QObject
 {
@@ -162,7 +221,8 @@ private:
     // timer used to delay the check if we should start/stop the animation timer
     QBasicTimer startStopAnimationTimer;
 
-    QTime time;
+    ElapsedTimer time;
+
     int lastTick;
     int timingInterval;
     int currentAnimationIdx;
diff --git a/src/corelib/animation/qpropertyanimation.cpp b/src/corelib/animation/qpropertyanimation.cpp
index cfd7cc2fcb..37b79bae14 100644
--- a/src/corelib/animation/qpropertyanimation.cpp
+++ b/src/corelib/animation/qpropertyanimation.cpp
@@ -118,7 +118,9 @@ void QPropertyAnimationPrivate::updateMetaProperty()
         propertyType = QVariant::Invalid;
         if (!targetValue->dynamicPropertyNames().contains(propertyName))
             qWarning("QPropertyAnimation: you're trying to animate a non-existing property %s of your QObject", propertyName.constData());
-    }
+    } else if (!targetValue->metaObject()->property(propertyIndex).isWritable()) {
+        qWarning("QPropertyAnimation: you're trying to animate the non-writable property %s of your QObject", propertyName.constData());
+	}
 }
 
 void QPropertyAnimationPrivate::updateProperty(const QVariant &newValue)
@@ -265,7 +267,9 @@ void QPropertyAnimation::updateState(QAbstractAnimation::State newState,
 
     QPropertyAnimation *animToStop = 0;
     {
+#ifndef QT_NO_THREAD
         QMutexLocker locker(QMutexPool::globalInstanceGet(&staticMetaObject));
+#endif
         typedef QPair<QObject *, QByteArray> QPropertyAnimationPair;
         typedef QHash<QPropertyAnimationPair, QPropertyAnimation*> QPropertyAnimationHash;
         static QPropertyAnimationHash hash;
diff --git a/src/corelib/animation/qvariantanimation.cpp b/src/corelib/animation/qvariantanimation.cpp
index 115edbe0f2..173802dfb0 100644
--- a/src/corelib/animation/qvariantanimation.cpp
+++ b/src/corelib/animation/qvariantanimation.cpp
@@ -431,7 +431,9 @@ void QVariantAnimation::registerInterpolator(QVariantAnimation::Interpolator fun
 {
     // will override any existing interpolators
     QInterpolatorVector *interpolators = registeredInterpolators();
+#ifndef QT_NO_THREAD
     QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
+#endif
     if (int(interpolationType) >= interpolators->count())
         interpolators->resize(int(interpolationType) + 1);
     interpolators->replace(interpolationType, func);
@@ -446,7 +448,9 @@ template<typename T> static inline QVariantAnimation::Interpolator castToInterpo
 QVariantAnimation::Interpolator QVariantAnimationPrivate::getInterpolator(int interpolationType)
 {
     QInterpolatorVector *interpolators = registeredInterpolators();
+#ifndef QT_NO_THREAD
     QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
+#endif
     QVariantAnimation::Interpolator ret = 0;
     if (interpolationType < interpolators->count()) {
         ret = interpolators->at(interpolationType);
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
index ff40af583c..1c607a67fe 100644
--- a/src/corelib/codecs/qtextcodec.cpp
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -1193,6 +1193,19 @@ QTextDecoder* QTextCodec::makeDecoder() const
     return new QTextDecoder(this);
 }
 
+/*!
+    Creates a QTextDecoder with a specified \a flags to decode chunks
+    of \c{char *} data to create chunks of Unicode data.
+
+    The caller is responsible for deleting the returned object.
+
+    \since 4.7
+*/
+QTextDecoder* QTextCodec::makeDecoder(QTextCodec::ConversionFlags flags) const
+{
+    return new QTextDecoder(this, flags);
+}
+
 
 /*!
     Creates a QTextEncoder which stores enough state to encode chunks
@@ -1206,6 +1219,19 @@ QTextEncoder* QTextCodec::makeEncoder() const
 }
 
 /*!
+    Creates a QTextEncoder with a specified \a flags to encode chunks
+    of Unicode data as \c{char *} data.
+
+    The caller is responsible for deleting the returned object.
+
+    \since 4.7
+*/
+QTextEncoder* QTextCodec::makeEncoder(QTextCodec::ConversionFlags flags) const
+{
+    return new QTextEncoder(this, flags);
+}
+
+/*!
     \fn QByteArray QTextCodec::fromUnicode(const QChar *input, int number,
                                            ConverterState *state) const
 
@@ -1346,6 +1372,17 @@ QString QTextCodec::toUnicode(const char *chars) const
 */
 
 /*!
+    Constructs a text encoder for the given \a codec and conversion \a flags.
+
+    \since 4.7
+*/
+QTextEncoder::QTextEncoder(const QTextCodec *codec, QTextCodec::ConversionFlags flags)
+    : c(codec), state()
+{
+    state.flags = flags;
+}
+
+/*!
     Destroys the encoder.
 */
 QTextEncoder::~QTextEncoder()
@@ -1422,6 +1459,18 @@ QByteArray QTextEncoder::fromUnicode(const QString& uc, int& lenInOut)
 */
 
 /*!
+    Constructs a text decoder for the given \a codec and conversion \a flags.
+
+    \since 4.7
+*/
+
+QTextDecoder::QTextDecoder(const QTextCodec *codec, QTextCodec::ConversionFlags flags)
+    : c(codec), state()
+{
+    state.flags = flags;
+}
+
+/*!
     Destroys the decoder.
 */
 QTextDecoder::~QTextDecoder()
diff --git a/src/corelib/codecs/qtextcodec.h b/src/corelib/codecs/qtextcodec.h
index a099dd96bc..5012b42360 100644
--- a/src/corelib/codecs/qtextcodec.h
+++ b/src/corelib/codecs/qtextcodec.h
@@ -85,9 +85,6 @@ public:
     static QTextCodec *codecForUtfText(const QByteArray &ba);
     static QTextCodec *codecForUtfText(const QByteArray &ba, QTextCodec *defaultCodec);
 
-    QTextDecoder* makeDecoder() const;
-    QTextEncoder* makeEncoder() const;
-
     bool canEncode(QChar) const;
     bool canEncode(const QString&) const;
 
@@ -120,6 +117,12 @@ public:
     QByteArray fromUnicode(const QChar *in, int length, ConverterState *state = 0) const
         { return convertFromUnicode(in, length, state); }
 
+    // ### Qt 5: merge these functions.
+    QTextDecoder* makeDecoder() const;
+    QTextDecoder* makeDecoder(ConversionFlags flags) const;
+    QTextEncoder* makeEncoder() const;
+    QTextEncoder* makeEncoder(ConversionFlags flags) const;
+
     virtual QByteArray name() const = 0;
     virtual QList<QByteArray> aliases() const;
     virtual int mibEnum() const = 0;
@@ -157,6 +160,7 @@ class Q_CORE_EXPORT QTextEncoder {
     Q_DISABLE_COPY(QTextEncoder)
 public:
     explicit QTextEncoder(const QTextCodec *codec) : c(codec), state() {}
+    QTextEncoder(const QTextCodec *codec, QTextCodec::ConversionFlags flags);
     ~QTextEncoder();
     QByteArray fromUnicode(const QString& str);
     QByteArray fromUnicode(const QChar *uc, int len);
@@ -178,6 +182,7 @@ class Q_CORE_EXPORT QTextDecoder {
     Q_DISABLE_COPY(QTextDecoder)
 public:
     explicit QTextDecoder(const QTextCodec *codec) : c(codec), state() {}
+    QTextDecoder(const QTextCodec *codec, QTextCodec::ConversionFlags flags);
     ~QTextDecoder();
     QString toUnicode(const char* chars, int len);
     QString toUnicode(const QByteArray &ba);
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index abdafc3af1..b237659c05 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -44,11 +44,11 @@
 
 #include <stddef.h>
 
-#define QT_VERSION_STR   "4.6.2"
+#define QT_VERSION_STR   "4.7.0"
 /*
    QT_VERSION is (major << 16) + (minor << 8) + patch.
 */
-#define QT_VERSION 0x040602
+#define QT_VERSION 0x040700
 /*
    can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
 */
@@ -275,7 +275,7 @@ namespace QT_NAMESPACE {}
 #  endif
 #endif
 
-#ifdef AUTODETECT_COCOA
+#ifdef QT_AUTODETECT_COCOA
 #  ifdef Q_OS_MAC64
 #    define QT_MAC_USE_COCOA 1
 #    define QT_BUILD_KEY QT_BUILD_KEY_COCOA
@@ -672,8 +672,9 @@ namespace QT_NAMESPACE {}
 #      define Q_ALIGNOF(type)   __alignof__(type)
 #      define Q_TYPEOF(expr)    __typeof__(expr)
 #      define Q_DECL_ALIGN(n)   __attribute__((__aligned__(n)))
-// using CC 5.9: Warning: attribute visibility is unsupported and will be skipped..
-//#      define Q_DECL_EXPORT     __attribute__((__visibility__("default")))
+#    endif
+#    if __SUNPRO_CC >= 0x550
+#      define Q_DECL_EXPORT     __global
 #    endif
 #    if __SUNPRO_CC < 0x5a0
 #      define Q_NO_TEMPLATE_FRIENDS
@@ -1540,6 +1541,7 @@ inline QT3_SUPPORT bool qt_winUnicode() { return true; }
 inline QT3_SUPPORT int qWinVersion() { return QSysInfo::WindowsVersion; }
 #endif
 
+// ### Qt 5: remove Win9x support macros QT_WA and QT_WA_INLINE.
 #define QT_WA(unicode, ansi) unicode
 #define QT_WA_INLINE(unicode, ansi) (unicode)
 
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 177bee44d2..35ff8e77a1 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1235,7 +1235,10 @@ public:
         BusyCursor,
         OpenHandCursor,
         ClosedHandCursor,
-        LastCursor = ClosedHandCursor,
+        DragCopyCursor,
+        DragMoveCursor,
+        DragLinkCursor,
+        LastCursor = DragLinkCursor,
         BitmapCursor = 24,
         CustomCursor = 25
 
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 6627c76ea2..3d49d60fc8 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -2508,6 +2508,15 @@
                           operations that allow the user to interact with
                           the application while they are performed in the
                           background.
+    \value DragMoveCursor
+                          A cursor that is usually used when dragging an item.
+    \value DragCopyCursor
+                          A cursor that is usually used when dragging an item
+                          to copy it.
+    \value DragLinkCursor
+                          A cursor that is usually used when dragging an item
+                          to make a link to it.
+
     \value BitmapCursor
     \omitvalue LastCursor
     \omitvalue CustomCursor
diff --git a/src/corelib/io/io.pri b/src/corelib/io/io.pri
index 02a1586dd6..2ed0e46912 100644
--- a/src/corelib/io/io.pri
+++ b/src/corelib/io/io.pri
@@ -6,6 +6,7 @@ HEADERS +=  \
         io/qbuffer.h \
         io/qdatastream.h \
         io/qdatastream_p.h \
+        io/qdataurl_p.h \
         io/qdebug.h \
         io/qdir.h \
         io/qdiriterator.h \
@@ -34,6 +35,7 @@ SOURCES += \
         io/qabstractfileengine.cpp \
         io/qbuffer.cpp \
         io/qdatastream.cpp \
+        io/qdataurl.cpp \
         io/qdebug.cpp \
         io/qdir.cpp \
         io/qdiriterator.cpp \
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
index 82d3b79ea3..7c1887e0d4 100644
--- a/src/corelib/io/qdatastream.cpp
+++ b/src/corelib/io/qdatastream.cpp
@@ -48,6 +48,7 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <stdlib.h>
+#include "qendian.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -570,6 +571,7 @@ void QDataStream::setByteOrder(ByteOrder bo)
     \value Qt_4_4 Version 10 (Qt 4.4)
     \value Qt_4_5 Version 11 (Qt 4.5)
     \value Qt_4_6 Version 12 (Qt 4.6)
+    \value Qt_4_7 Same as Qt_4_6.
 
     \sa setVersion(), version()
 */
@@ -672,24 +674,12 @@ QDataStream &QDataStream::operator>>(qint16 &i)
 {
     i = 0;
     CHECK_STREAM_PRECOND(*this)
-    if (noswap) {
-        if (dev->read((char *)&i, 2) != 2) {
-            i = 0;
-            setStatus(ReadPastEnd);
-        }
+    if (dev->read((char *)&i, 2) != 2) {
+        i = 0;
+        setStatus(ReadPastEnd);
     } else {
-        union {
-            qint16 val1;
-            char val2[2];
-        } x;
-        char *p = x.val2;
-        char b[2];
-        if (dev->read(b, 2) == 2) {
-            *p++ = b[1];
-            *p = b[0];
-            i = x.val1;
-        } else {
-            setStatus(ReadPastEnd);
+        if (!noswap) {
+            i = qbswap(i);
         }
     }
     return *this;
@@ -715,26 +705,12 @@ 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
-        union {
-            qint32 val1;
-            char val2[4];
-        } x;
-        char *p = x.val2;
-        char b[4];
-        if (dev->read(b, 4) == 4) {
-            *p++ = b[3];
-            *p++ = b[2];
-            *p++ = b[1];
-            *p   = b[0];
-            i = x.val1;
-        } else {
-            setStatus(ReadPastEnd);
+    if (dev->read((char *)&i, 4) != 4) {
+        i = 0;
+        setStatus(ReadPastEnd);
+    } else {
+        if (!noswap) {
+            i = qbswap(i);
         }
     }
     return *this;
@@ -763,31 +739,14 @@ QDataStream &QDataStream::operator>>(qint64 &i)
         quint32 i1, i2;
         *this >> i2 >> i1;
         i = ((quint64)i1 << 32) + i2;
-    } else if (noswap) {                        // no conversion needed
+    } else {
         if (dev->read((char *)&i, 8) != 8) {
             i = qint64(0);
             setStatus(ReadPastEnd);
-        }
-    } else {                                        // swap bytes
-        union {
-            qint64 val1;
-            char val2[8];
-        } x;
-
-        char *p = x.val2;
-        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];
-            i = x.val1;
         } else {
-            setStatus(ReadPastEnd);
+            if (!noswap) {
+                i = qbswap(i);
+            }
         }
     }
     return *this;
@@ -827,27 +786,17 @@ 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
-        union {
-            float val1;
-            char val2[4];
-        } x;
-
-        char *p = x.val2;
-        char b[4];
-        if (dev->read(b, 4) == 4) {
-            *p++ = b[3];
-            *p++ = b[2];
-            *p++ = b[1];
-            *p = b[0];
+    if (dev->read((char *)&f, 4) != 4) {
+        f = 0.0f;
+        setStatus(ReadPastEnd);
+    } else {
+        if (!noswap) {
+            union {
+                float val1;
+                quint32 val2;
+            } x;
+            x.val2 = qbswap(*reinterpret_cast<quint32 *>(&f));
             f = x.val1;
-        } else {
-            setStatus(ReadPastEnd);
         }
     }
     return *this;
@@ -880,30 +829,17 @@ 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
-        union {
-            double val1;
-            char val2[8];
-        } x;
-        char *p = x.val2;
-        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];
+    if (dev->read((char *)&f, 8) != 8) {
+        f = 0.0;
+        setStatus(ReadPastEnd);
+    } else {
+        if (!noswap) {
+            union {
+                double val1;
+                quint64 val2;
+            } x;
+            x.val2 = qbswap(*reinterpret_cast<quint64 *>(&f));
             f = x.val1;
-        } else {
-            setStatus(ReadPastEnd);
         }
     }
 #else
@@ -1075,20 +1011,10 @@ QDataStream &QDataStream::operator<<(qint8 i)
 QDataStream &QDataStream::operator<<(qint16 i)
 {
     CHECK_STREAM_PRECOND(*this)
-    if (noswap) {
-        dev->write((char *)&i, sizeof(qint16));
-    } else {                                        // swap bytes
-        union {
-            qint16 val1;
-            char val2[2];
-        } x;
-        x.val1 = i;
-        char *p = x.val2;
-        char b[2];
-        b[1] = *p++;
-        b[0] = *p;
-        dev->write(b, 2);
+    if (!noswap) {
+        i = qbswap(i);
     }
+    dev->write((char *)&i, sizeof(qint16));
     return *this;
 }
 
@@ -1102,22 +1028,10 @@ QDataStream &QDataStream::operator<<(qint16 i)
 QDataStream &QDataStream::operator<<(qint32 i)
 {
     CHECK_STREAM_PRECOND(*this)
-    if (noswap) {
-        dev->write((char *)&i, sizeof(qint32));
-    } else {                                        // swap bytes
-        union {
-            qint32 val1;
-            char val2[4];
-        } x;
-        x.val1 = i;
-        char *p = x.val2;
-        char b[4];
-        b[3] = *p++;
-        b[2] = *p++;
-        b[1] = *p++;
-        b[0] = *p;
-        dev->write(b, 4);
+    if (!noswap) {
+        i = qbswap(i);
     }
+    dev->write((char *)&i, sizeof(qint32));
     return *this;
 }
 
@@ -1143,25 +1057,11 @@ QDataStream &QDataStream::operator<<(qint64 i)
         quint32 i1 = i & 0xffffffff;
         quint32 i2 = i >> 32;
         *this << i2 << i1;
-    } else if (noswap) {                        // no conversion needed
+    } else {
+        if (!noswap) {
+            i = qbswap(i);
+        }
         dev->write((char *)&i, sizeof(qint64));
-    } else {                                        // swap bytes
-        union {
-            qint64 val1;
-            char val2[8];
-        } x;
-        x.val1 = i;
-        char *p = x.val2;
-        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;
 }
@@ -1205,22 +1105,16 @@ 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
+    if (!noswap) {
         union {
             float val1;
-            char val2[4];
+            quint32 val2;
         } x;
-        x.val1 = f;
-        char *p = x.val2;
-        char b[4];
-        b[3] = *p++;
-        b[2] = *p++;
-        b[1] = *p++;
-        b[0] = *p;
-        dev->write(b, 4);
+        x.val1 = g;
+        x.val2 = qbswap(x.val2);
+        g = x.val1;
     }
+    dev->write((char *)&g, sizeof(float));
     return *this;
 }
 
@@ -1244,26 +1138,16 @@ QDataStream &QDataStream::operator<<(double f)
 
     CHECK_STREAM_PRECOND(*this)
 #ifndef Q_DOUBLE_FORMAT
-    if (noswap) {
-        dev->write((char *)&f, sizeof(double));
-    } else {
+    if (!noswap) {
         union {
             double val1;
-            char val2[8];
+            quint64 val2;
         } x;
         x.val1 = f;
-        char *p = x.val2;
-        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);
+        x.val2 = qbswap(x.val2);
+        f = x.val1;
     }
+    dev->write((char *)&f, sizeof(double));
 #else
     union {
         double val1;
diff --git a/src/corelib/io/qdatastream.h b/src/corelib/io/qdatastream.h
index afc16bc9da..ec4ba2ff31 100644
--- a/src/corelib/io/qdatastream.h
+++ b/src/corelib/io/qdatastream.h
@@ -84,10 +84,11 @@ public:
         Qt_4_3 = 9,
         Qt_4_4 = 10,
         Qt_4_5 = 11,
-        Qt_4_6 = 12
-#if QT_VERSION >= 0x040700
-#error Add the datastream version for this Qt version
+        Qt_4_6 = 12,
         Qt_4_7 = Qt_4_6
+#if QT_VERSION >= 0x040800
+#error Add the datastream version for this Qt version
+        Qt_4_8 = Qt_4_7
 #endif
     };
 
diff --git a/src/corelib/io/qdataurl.cpp b/src/corelib/io/qdataurl.cpp
new file mode 100644
index 0000000000..9bb896e8f7
--- /dev/null
+++ b/src/corelib/io/qdataurl.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+#include "qurl.h"
+#include "private/qdataurl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \internal
+
+    Decode a data: URL into its mimetype and payload. Returns a null string if
+    the URL could not be decoded.
+*/
+Q_CORE_EXPORT QPair<QString, QByteArray> qDecodeDataUrl(const QUrl &uri)
+{
+    QString mimeType;
+    QByteArray payload;
+
+    if (uri.scheme() == QLatin1String("data") && uri.host().isEmpty()) {
+        mimeType = QLatin1String("text/plain;charset=US-ASCII");
+
+        // the following would have been the correct thing, but
+        // reality often differs from the specification. People have
+        // data: URIs with ? and #
+        //QByteArray data = QByteArray::fromPercentEncoding(uri.encodedPath());
+        QByteArray data = QByteArray::fromPercentEncoding(uri.toEncoded());
+
+        // remove the data: scheme
+        data.remove(0, 5);
+
+        // parse it:
+        int pos = data.indexOf(',');
+        if (pos != -1) {
+            payload = data.mid(pos + 1);
+            data.truncate(pos);
+            data = data.trimmed();
+
+            // find out if the payload is encoded in Base64
+            if (data.endsWith(";base64")) {
+                payload = QByteArray::fromBase64(payload);
+                data.chop(7);
+            }
+
+            if (data.toLower().startsWith("charset")) {
+                int i = 7;      // strlen("charset")
+                while (data.at(i) == ' ')
+                    ++i;
+                if (data.at(i) == '=')
+                    data.prepend("text/plain;");
+            }
+
+            if (!data.isEmpty())
+                mimeType = QLatin1String(data.trimmed());
+
+        }
+    }
+
+    return QPair<QString,QByteArray>(mimeType,payload);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/io/qdataurl_p.h b/src/corelib/io/qdataurl_p.h
new file mode 100644
index 0000000000..be5b10da46
--- /dev/null
+++ b/src/corelib/io/qdataurl_p.h
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDATAURL_P_H
+#define QDATAURL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qDecodeDataUrl. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qurl.h"
+#include "QtCore/qbytearray.h"
+#include "QtCore/qstring.h"
+#include "QtCore/qpair.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_CORE_EXPORT QPair<QString, QByteArray> qDecodeDataUrl(const QUrl &url);
+
+QT_END_NAMESPACE
+
+#endif // QDATAURL_P_H
diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
index dc7f17e6b7..f5d803e197 100644
--- a/src/corelib/io/qdir.cpp
+++ b/src/corelib/io/qdir.cpp
@@ -52,13 +52,13 @@
 #include "qregexp.h"
 #include "qvector.h"
 #include "qalgorithms.h"
+#include "qvarlengtharray.h"
+
 #ifdef QT_BUILD_CORE_LIB
-# include "qresource.h"
+#  include "qresource.h"
+#  include "private/qcoreglobaldata_p.h"
 #endif
 
-#include "qvarlengtharray.h"
-
-#include "private/qcoreglobaldata_p.h"
 #include <stdlib.h>
 
 QT_BEGIN_NAMESPACE
@@ -83,12 +83,10 @@ static QString driveSpec(const QString &path)
 //************* QDirPrivate
 class QDirPrivate
 {
-    QDir *q_ptr;
-    Q_DECLARE_PUBLIC(QDir)
-
     friend struct QScopedPointerDeleter<QDirPrivate>;
-protected:
-    QDirPrivate(QDir*, const QDir *copy=0);
+
+public:
+    QDirPrivate(const QDir *copy = 0);
     ~QDirPrivate();
 
     QString initFileEngine(const QString &file);
@@ -96,7 +94,6 @@ protected:
     void updateFileLists() const;
     void sortFileList(QDir::SortFlags, QFileInfoList &, QStringList *, QFileInfoList *) const;
 
-private:
 #ifdef QT3_SUPPORT
     QChar filterSepChar;
     bool matchAllDirs;
@@ -109,28 +106,30 @@ private:
             sep = QChar(QLatin1Char(' '));
         return sep;
     }
-    static inline QStringList splitFilters(const QString &nameFilter, QChar sep=0) {
-        if(sep == 0)
+    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++)
+        for (int i = 0; i < ret.count(); ++i)
             ret[i] = ret[i].trimmed();
         return ret;
     }
 
     struct Data {
         inline Data()
-            : ref(1), fileEngine(0)
-        { clear(); }
+            : ref(1), fileEngine(0), listsDirty(1)
+        {}
         inline Data(const Data &copy)
             : ref(1), path(copy.path), nameFilters(copy.nameFilters), sort(copy.sort),
-              filters(copy.filters), fileEngine(0)
-        { clear(); }
+              filters(copy.filters), fileEngine(0), listsDirty(1)
+        {}
         inline ~Data()
         { delete fileEngine; }
 
         inline void clear() {
             listsDirty = 1;
+            files.clear();
+            fileInfos.clear();
         }
         mutable QAtomicInt ref;
 
@@ -147,7 +146,6 @@ private:
     } *data;
     inline void setPath(const QString &p)
     {
-        detach(false);
         QString path = p;
         if ((path.endsWith(QLatin1Char('/')) || path.endsWith(QLatin1Char('\\')))
                 && path.length() > 1) {
@@ -156,12 +154,9 @@ private:
 #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();
+        data->path = initFileEngine(path);
     }
     inline void reset() {
         detach();
@@ -170,18 +165,16 @@ private:
     void detach(bool createFileEngine = true);
 };
 
-QDirPrivate::QDirPrivate(QDir *qq, const QDir *copy) : q_ptr(qq)
+QDirPrivate::QDirPrivate(const QDir *copy)
 #ifdef QT3_SUPPORT
-                                                     , filterSepChar(0)
-                                                     , matchAllDirs(false)
+    : filterSepChar(0), matchAllDirs(false)
 #endif
 {
-    if(copy) {
+    if (copy) {
         copy->d_func()->data->ref.ref();
         data = copy->d_func()->data;
     } else {
         data = new QDirPrivate::Data;
-        data->clear();
     }
 }
 
@@ -190,18 +183,19 @@ QDirPrivate::~QDirPrivate()
     if (!data->ref.deref())
         delete data;
     data = 0;
-    q_ptr = 0;
 }
 
 /* For sorting */
-struct QDirSortItem {
+struct QDirSortItem
+{
     mutable QString filename_cache;
     mutable QString suffix_cache;
     QFileInfo item;
 };
 
 
-class QDirSortItemComparator {
+class QDirSortItemComparator
+{
     int qt_cmp_si_sort_flags;
 public:
     QDirSortItemComparator(int flags) : qt_cmp_si_sort_flags(flags) {}
@@ -240,7 +234,7 @@ bool QDirSortItemComparator::operator()(const QDirSortItem &n1, const QDirSortIt
             f2->suffix_cache = ic ? f2->item.suffix().toLower()
                                : f2->item.suffix();
 
-	r = qt_cmp_si_sort_flags & QDir::LocaleAware
+        r = qt_cmp_si_sort_flags & QDir::LocaleAware
             ? f1->suffix_cache.localeAwareCompare(f2->suffix_cache)
             : f1->suffix_cache.compare(f2->suffix_cache);
       }
@@ -260,7 +254,7 @@ bool QDirSortItemComparator::operator()(const QDirSortItem &n1, const QDirSortIt
             f2->filename_cache = ic ? f2->item.fileName().toLower()
                                     : f2->item.fileName();
 
-	r = qt_cmp_si_sort_flags & QDir::LocaleAware
+        r = qt_cmp_si_sort_flags & QDir::LocaleAware
             ? f1->filename_cache.localeAwareCompare(f2->filename_cache)
             : f1->filename_cache.compare(f2->filename_cache);
     }
@@ -274,16 +268,13 @@ bool QDirSortItemComparator::operator()(const QDirSortItem &n1, const QDirSortIt
 inline void QDirPrivate::sortFileList(QDir::SortFlags sort, QFileInfoList &l,
                                       QStringList *names, QFileInfoList *infos) const
 {
-    if(names)
-        names->clear();
-    if(infos)
-        infos->clear();
+    // names and infos are always empty lists or 0 here
     int n = l.size();
-    if(n > 0) {
+    if (n > 0) {
         if (n == 1 || (sort & QDir::SortByMask) == QDir::Unsorted) {
-            if(infos)
+            if (infos)
                 *infos = l;
-            if(names) {
+            if (names) {
                 for (int i = 0; i < n; ++i)
                     names->append(l.at(i).fileName());
             }
@@ -291,13 +282,13 @@ inline void QDirPrivate::sortFileList(QDir::SortFlags sort, QFileInfoList &l,
             QScopedArrayPointer<QDirSortItem> si(new QDirSortItem[n]);
             for (int i = 0; i < n; ++i)
                 si[i].item = l.at(i);
-            qSort(si.data(), si.data()+n, QDirSortItemComparator(sort));
+            qSort(si.data(), si.data() + n, QDirSortItemComparator(sort));
             // put them back in the list(s)
-            if(infos) {
+            if (infos) {
                 for (int i = 0; i < n; ++i)
                     infos->append(si[i].item);
             }
-            if(names) {
+            if (names) {
                 for (int i = 0; i < n; ++i)
                     names->append(si[i].item.fileName());
             }
@@ -307,7 +298,7 @@ inline void QDirPrivate::sortFileList(QDir::SortFlags sort, QFileInfoList &l,
 
 inline void QDirPrivate::updateFileLists() const
 {
-    if(data->listsDirty) {
+    if (data->listsDirty) {
         QFileInfoList l;
         QDirIterator it(data->path, data->nameFilters, data->filters);
         while (it.hasNext()) {
@@ -319,12 +310,11 @@ inline void QDirPrivate::updateFileLists() const
     }
 }
 
-QString QDirPrivate::initFileEngine(const QString &path)
+inline QString QDirPrivate::initFileEngine(const QString &path)
 {
     detach(false);
-    delete data->fileEngine;
-    data->fileEngine = 0;
     data->clear();
+    delete data->fileEngine;
     data->fileEngine = QAbstractFileEngine::create(path);
     return data->fileEngine->fileName(QAbstractFileEngine::DefaultName);
 }
@@ -520,8 +510,7 @@ void QDirPrivate::detach(bool createFileEngine)
 
     \sa currentPath()
 */
-
-QDir::QDir(const QString &path) : d_ptr(new QDirPrivate(this))
+QDir::QDir(const QString &path) : d_ptr(new QDirPrivate)
 {
     Q_D(QDir);
     d->setPath(path.isEmpty() ? QString::fromLatin1(".") : path);
@@ -548,18 +537,17 @@ QDir::QDir(const QString &path) : d_ptr(new QDirPrivate(this))
 
     \sa exists(), setPath(), setNameFilter(), setFilter(), setSorting()
 */
-
 QDir::QDir(const QString &path, const QString &nameFilter,
-           SortFlags sort, Filters filters)  : d_ptr(new QDirPrivate(this))
+           SortFlags sort, Filters filters) : d_ptr(new QDirPrivate)
 {
     Q_D(QDir);
     d->setPath(path.isEmpty() ? QString::fromLatin1(".") : path);
     d->data->nameFilters = QDir::nameFiltersFromString(nameFilter);
     bool empty = d->data->nameFilters.isEmpty();
-    if(!empty) {
+    if (!empty) {
         empty = true;
-        for(int i = 0; i < d->data->nameFilters.size(); ++i) {
-            if(!d->data->nameFilters.at(i).isEmpty()) {
+        for (int i = 0; i < d->data->nameFilters.size(); ++i) {
+            if (!d->data->nameFilters.at(i).isEmpty()) {
                 empty = false;
                 break;
             }
@@ -577,8 +565,7 @@ QDir::QDir(const QString &path, const QString &nameFilter,
 
     \sa operator=()
 */
-
-QDir::QDir(const QDir &dir)  : d_ptr(new QDirPrivate(this, &dir))
+QDir::QDir(const QDir &dir) : d_ptr(new QDirPrivate(&dir))
 {
 }
 
@@ -586,7 +573,6 @@ 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()
 {
 }
@@ -607,7 +593,6 @@ QDir::~QDir()
     \sa path(), absolutePath(), exists(), cleanPath(), dirName(),
       absoluteFilePath(), isRelative(), makeAbsolute()
 */
-
 void QDir::setPath(const QString &path)
 {
     Q_D(QDir);
@@ -624,7 +609,6 @@ void QDir::setPath(const QString &path)
     \sa setPath(), absolutePath(), exists(), cleanPath(), dirName(),
     absoluteFilePath(), toNativeSeparators(), makeAbsolute()
 */
-
 QString QDir::path() const
 {
     Q_D(const QDir);
@@ -639,7 +623,6 @@ QString QDir::path() const
     \sa setPath(), canonicalPath(), exists(), cleanPath(),
     dirName(), absoluteFilePath()
 */
-
 QString QDir::absolutePath() const
 {
     Q_D(const QDir);
@@ -649,7 +632,6 @@ QString QDir::absolutePath() const
     return cleanPath(ret);
 }
 
-
 /*!
     Returns the canonical path, i.e. a path without symbolic links or
     redundant "." or ".." elements.
@@ -666,12 +648,11 @@ QString QDir::absolutePath() const
     \sa path(), absolutePath(), exists(), cleanPath(), dirName(),
         absoluteFilePath()
 */
-
 QString QDir::canonicalPath() const
 {
     Q_D(const QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return cleanPath(d->data->fileEngine->fileName(QAbstractFileEngine::CanonicalName));
 }
@@ -687,7 +668,6 @@ QString QDir::canonicalPath() const
 
     \sa path(), filePath(), absolutePath(), absoluteFilePath()
 */
-
 QString QDir::dirName() const
 {
     Q_D(const QDir);
@@ -706,7 +686,6 @@ QString QDir::dirName() const
 
     \sa dirName() absoluteFilePath(), isRelative(), canonicalPath()
 */
-
 QString QDir::filePath(const QString &fileName) const
 {
     Q_D(const QDir);
@@ -714,7 +693,7 @@ QString QDir::filePath(const QString &fileName) const
         return QString(fileName);
 
     QString ret = d->data->path;
-    if(!fileName.isEmpty()) {
+    if (!fileName.isEmpty()) {
         if (!ret.isEmpty() && ret[(int)ret.length()-1] != QLatin1Char('/') && fileName[0] != QLatin1Char('/'))
             ret += QLatin1Char('/');
         ret += fileName;
@@ -730,13 +709,12 @@ QString QDir::filePath(const QString &fileName) const
 
     \sa relativeFilePath() filePath() canonicalPath()
 */
-
 QString QDir::absoluteFilePath(const QString &fileName) const
 {
     Q_D(const QDir);
     if (isAbsolutePath(fileName))
         return fileName;
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return fileName;
 
     QString ret;
@@ -744,7 +722,7 @@ QString QDir::absoluteFilePath(const QString &fileName) const
     if (isRelativePath(d->data->path)) //get pwd
         ret = QFSFileEngine::currentPath(fileName);
 #endif
-    if(!d->data->path.isEmpty() && d->data->path != QLatin1String(".")) {
+    if (!d->data->path.isEmpty() && d->data->path != QLatin1String(".")) {
         if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/')))
             ret += QLatin1Char('/');
         ret += d->data->path;
@@ -764,7 +742,6 @@ QString QDir::absoluteFilePath(const QString &fileName) const
 
     \sa absoluteFilePath() filePath() canonicalPath()
 */
-
 QString QDir::relativeFilePath(const QString &fileName) const
 {
     QString dir = absolutePath();
@@ -851,7 +828,7 @@ QString QDir::toNativeSeparators(const QString &pathName)
 {
     QString n(pathName);
 #if defined(Q_FS_FAT) || defined(Q_OS_OS2EMX) || defined(Q_OS_SYMBIAN)
-    for (int i=0; i<(int)n.length(); i++) {
+    for (int i = 0; i < (int)n.length(); ++i) {
         if (n[i] == QLatin1Char('/'))
             n[i] = QLatin1Char('\\');
     }
@@ -875,7 +852,7 @@ QString QDir::fromNativeSeparators(const QString &pathName)
 {
     QString n(pathName);
 #if defined(Q_FS_FAT) || defined(Q_OS_OS2EMX) || defined(Q_OS_SYMBIAN)
-    for (int i=0; i<(int)n.length(); i++) {
+    for (int i = 0; i < (int)n.length(); ++i) {
         if (n[i] == QLatin1Char('\\'))
             n[i] = QLatin1Char('/');
     }
@@ -894,7 +871,6 @@ QString QDir::fromNativeSeparators(const QString &pathName)
 
     \sa cdUp(), isReadable(), exists(), path()
 */
-
 bool QDir::cd(const QString &dirName)
 {
     Q_D(QDir);
@@ -930,14 +906,13 @@ bool QDir::cd(const QString &dirName)
             }
         }
     }
-    {
-        QFileInfo fi(newPath);
-        if (!(fi.exists() && fi.isDir()))
-            return false;
-    }
 
-    d->setPath(newPath);
-    refresh();
+    QDir dir(*this);
+    dir.setPath(newPath);
+    if (!dir.exists())
+        return false;
+
+    *this = dir;
     return true;
 }
 
@@ -951,7 +926,6 @@ bool QDir::cd(const QString &dirName)
 
     \sa cd(), isReadable(), exists(), path()
 */
-
 bool QDir::cdUp()
 {
     return cd(QString::fromLatin1(".."));
@@ -960,7 +934,6 @@ bool QDir::cdUp()
 /*!
     Returns the string list set by setNameFilters()
 */
-
 QStringList QDir::nameFilters() const
 {
     Q_D(const QDir);
@@ -983,11 +956,11 @@ QStringList QDir::nameFilters() const
 
     \sa nameFilters(), setFilter()
 */
-
 void QDir::setNameFilters(const QStringList &nameFilters)
 {
     Q_D(QDir);
-    d->detach();
+
+    d->reset();
     d->data->nameFilters = nameFilters;
 }
 
@@ -1001,7 +974,6 @@ void QDir::setNameFilters(const QStringList &nameFilters)
 
     \sa {The Qt Resource System}, QResource::addSearchPath()
 */
-
 void QDir::addResourceSearchPath(const QString &path)
 {
 #ifdef QT_BUILD_CORE_LIB
@@ -1039,7 +1011,7 @@ void QDir::setSearchPaths(const QString &prefix, const QStringList &searchPaths)
         return;
     }
 
-    for (int i = 0; i < prefix.count(); i++) {
+    for (int i = 0; i < prefix.count(); ++i) {
         if (!prefix.at(i).isLetterOrNumber()) {
             qWarning("QDir::setSearchPaths: Prefix can only contain letters or numbers");
             return;
@@ -1089,7 +1061,6 @@ QStringList QDir::searchPaths(const QString &prefix)
 /*!
     Returns the value set by setFilter()
 */
-
 QDir::Filters QDir::filter() const
 {
     Q_D(const QDir);
@@ -1171,12 +1142,11 @@ QDir::Filters QDir::filter() const
 
     \sa filter(), setNameFilters()
 */
-
 void QDir::setFilter(Filters filters)
 {
     Q_D(QDir);
 
-    d->detach();
+    d->reset();
     d->data->filters = filters;
 }
 
@@ -1185,7 +1155,6 @@ void QDir::setFilter(Filters filters)
 
     \sa setSorting() SortFlag
 */
-
 QDir::SortFlags QDir::sorting() const
 {
     Q_D(const QDir);
@@ -1231,16 +1200,14 @@ QDir::SortFlags QDir::sorting() const
 
     \sa sorting() SortFlag
 */
-
 void QDir::setSorting(SortFlags sort)
 {
     Q_D(QDir);
 
-    d->detach();
+    d->reset();
     d->data->sort = sort;
 }
 
-
 /*!
     Returns the total number of directories and files in the directory.
 
@@ -1248,7 +1215,6 @@ void QDir::setSorting(SortFlags sort)
 
     \sa operator[](), entryList()
 */
-
 uint QDir::count() const
 {
     Q_D(const QDir);
@@ -1260,13 +1226,10 @@ uint QDir::count() const
 /*!
     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.
+    \a pos must be a valid index position in the list (i.e., 0 <= pos < count()).
 
     \sa count(), entryList()
 */
-
 QString QDir::operator[](int pos) const
 {
     Q_D(const QDir);
@@ -1294,7 +1257,6 @@ QString QDir::operator[](int pos) const
 
     \sa entryInfoList(), setNameFilters(), setSorting(), setFilter()
 */
-
 QStringList QDir::entryList(Filters filters, SortFlags sort) const
 {
     Q_D(const QDir);
@@ -1342,7 +1304,6 @@ QFileInfoList QDir::entryInfoList(Filters filters, SortFlags sort) const
 
     \sa entryInfoList(), setNameFilters(), setSorting(), setFilter()
 */
-
 QStringList QDir::entryList(const QStringList &nameFilters, Filters filters,
                             SortFlags sort) const
 {
@@ -1356,10 +1317,12 @@ QStringList QDir::entryList(const QStringList &nameFilters, Filters filters,
 #endif
     if (sort == NoSort)
         sort = d->data->sort;
-    if (filters == NoFilter && sort == NoSort && nameFilters == d->data->nameFilters) {
+
+    if (filters == d->data->filters && sort == d->data->sort && nameFilters == d->data->nameFilters) {
         d->updateFileLists();
         return d->data->files;
     }
+
     QFileInfoList l;
     QDirIterator it(d->data->path, nameFilters, filters);
     while (it.hasNext()) {
@@ -1387,7 +1350,6 @@ QStringList QDir::entryList(const QStringList &nameFilters, Filters filters,
 
     \sa entryList(), setNameFilters(), setSorting(), setFilter(), isReadable(), exists()
 */
-
 QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filters,
                                   SortFlags sort) const
 {
@@ -1401,10 +1363,12 @@ QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filter
 #endif
     if (sort == NoSort)
         sort = d->data->sort;
-    if (filters == NoFilter && sort == NoSort && nameFilters == d->data->nameFilters) {
+
+    if (filters == d->data->filters && sort == d->data->sort && nameFilters == d->data->nameFilters) {
         d->updateFileLists();
         return d->data->fileInfos;
     }
+
     QFileInfoList l;
     QDirIterator it(d->data->path, nameFilters, filters);
     while (it.hasNext()) {
@@ -1423,7 +1387,6 @@ QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filter
 
     \sa rmdir()
 */
-
 bool QDir::mkdir(const QString &dirName) const
 {
     Q_D(const QDir);
@@ -1432,7 +1395,7 @@ bool QDir::mkdir(const QString &dirName) const
         qWarning("QDir::mkdir: Empty or null file name(s)");
         return false;
     }
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
 
     QString fn = filePath(dirName);
@@ -1448,7 +1411,6 @@ bool QDir::mkdir(const QString &dirName) const
 
     \sa mkdir()
 */
-
 bool QDir::rmdir(const QString &dirName) const
 {
     Q_D(const QDir);
@@ -1457,7 +1419,7 @@ bool QDir::rmdir(const QString &dirName) const
         qWarning("QDir::rmdir: Empty or null file name(s)");
         return false;
     }
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
 
     QString fn = filePath(dirName);
@@ -1474,7 +1436,6 @@ bool QDir::rmdir(const QString &dirName) const
 
     \sa rmpath()
 */
-
 bool QDir::mkpath(const QString &dirPath) const
 {
     Q_D(const QDir);
@@ -1483,7 +1444,7 @@ bool QDir::mkpath(const QString &dirPath) const
         qWarning("QDir::mkpath: Empty or null file name(s)");
         return false;
     }
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
 
     QString fn = filePath(dirPath);
@@ -1509,7 +1470,7 @@ bool QDir::rmpath(const QString &dirPath) const
         qWarning("QDir::rmpath: Empty or null file name(s)");
         return false;
     }
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
 
     QString fn = filePath(dirPath);
@@ -1525,17 +1486,16 @@ bool QDir::rmpath(const QString &dirPath) const
 
     \sa QFileInfo::isReadable()
 */
-
-
 bool QDir::isReadable() const
 {
     Q_D(const QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
-    const QAbstractFileEngine::FileFlags info = d->data->fileEngine->fileFlags(QAbstractFileEngine::DirectoryType
-                                                                       |QAbstractFileEngine::PermsMask);
-    if(!(info & QAbstractFileEngine::DirectoryType))
+    const QAbstractFileEngine::FileFlags info =
+        d->data->fileEngine->fileFlags(QAbstractFileEngine::DirectoryType
+                                       | QAbstractFileEngine::PermsMask);
+    if (!(info & QAbstractFileEngine::DirectoryType))
         return false;
     return info & QAbstractFileEngine::ReadUserPerm;
 }
@@ -1551,19 +1511,17 @@ bool QDir::isReadable() const
 
     \sa QFileInfo::exists(), QFile::exists()
 */
-
 bool QDir::exists() const
 {
     Q_D(const QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     const QAbstractFileEngine::FileFlags info =
-        d->data->fileEngine->fileFlags(
-            QAbstractFileEngine::DirectoryType
-            | QAbstractFileEngine::ExistsFlag
-            | QAbstractFileEngine::Refresh);
-    if(!(info & QAbstractFileEngine::DirectoryType))
+        d->data->fileEngine->fileFlags(QAbstractFileEngine::DirectoryType
+                                       | QAbstractFileEngine::ExistsFlag
+                                       | QAbstractFileEngine::Refresh);
+    if (!(info & QAbstractFileEngine::DirectoryType))
         return false;
     return info & QAbstractFileEngine::ExistsFlag;
 }
@@ -1580,12 +1538,11 @@ bool QDir::exists() const
 
     \sa root(), rootPath()
 */
-
 bool QDir::isRoot() const
 {
     Q_D(const QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return true;
     return d->data->fileEngine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::RootFlag;
 }
@@ -1615,12 +1572,11 @@ bool QDir::isRoot() const
 
     \sa makeAbsolute() isAbsolute() isAbsolutePath() cleanPath()
 */
-
 bool QDir::isRelative() const
 {
     Q_D(const QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->data->fileEngine->isRelativePath();
 }
@@ -1633,20 +1589,19 @@ bool QDir::isRelative() const
 
     \sa isAbsolute() isAbsolutePath() isRelative() cleanPath()
 */
-
 bool QDir::makeAbsolute() // ### What do the return values signify?
 {
     Q_D(QDir);
 
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     QString absolutePath = d->data->fileEngine->fileName(QAbstractFileEngine::AbsoluteName);
-    if(QDir::isRelativePath(absolutePath))
+    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))
+    if (!(d->data->fileEngine->fileFlags(QAbstractFileEngine::TypesMask) & QAbstractFileEngine::DirectoryType))
         return false;
     return true;
 }
@@ -1660,22 +1615,21 @@ bool QDir::makeAbsolute() // ### What do the return values signify?
 
     \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)
+    if (d->data == other->data)
         return true;
     Q_ASSERT(d->data->fileEngine && other->data->fileEngine);
-    if(d->data->fileEngine->caseSensitive() != other->data->fileEngine->caseSensitive())
+    if (d->data->fileEngine->caseSensitive() != other->data->fileEngine->caseSensitive())
         return false;
-    if(d->data->filters == other->data->filters
+    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())
+        if (!other->data->fileEngine->caseSensitive())
             return (dir1.toLower() == dir2.toLower());
 
         return (dir1 == dir2);
@@ -1688,7 +1642,6 @@ bool QDir::operator==(const QDir &dir) const
     Makes a copy of the \a dir object and assigns it to this QDir
     object.
 */
-
 QDir &QDir::operator=(const QDir &dir)
 {
     if (this == &dir)
@@ -1707,7 +1660,6 @@ QDir &QDir::operator=(const QDir &dir)
 
     Use setPath() instead.
 */
-
 QDir &QDir::operator=(const QString &path)
 {
     Q_D(QDir);
@@ -1728,22 +1680,19 @@ QDir &QDir::operator=(const QString &path)
     \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);
+    return QFile::remove(filePath(fileName));
 }
 
 /*!
@@ -1757,7 +1706,6 @@ bool QDir::remove(const QString &fileName)
     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);
@@ -1766,11 +1714,11 @@ bool QDir::rename(const QString &oldName, const QString &newName)
         qWarning("QDir::rename: Empty or null file name(s)");
         return false;
     }
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
 
     QFile file(filePath(oldName));
-    if(!file.exists())
+    if (!file.exists())
         return false;
     return file.rename(filePath(newName));
 }
@@ -1785,15 +1733,13 @@ bool QDir::rename(const QString &oldName, const QString &newName)
 
     \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);
+    return QFile::exists(filePath(name));
 }
 
 /*!
@@ -1805,7 +1751,6 @@ bool QDir::exists(const QString &name) const
 
     \sa root(), rootPath()
 */
-
 QFileInfoList QDir::drives()
 {
 #ifdef QT_NO_FSFILEENGINE
@@ -1825,7 +1770,6 @@ QFileInfoList QDir::drives()
     user using their operating system's separator use
     toNativeSeparators().
 */
-
 QChar QDir::separator()
 {
 #if defined (Q_FS_FAT) || defined(Q_WS_WIN) || defined(Q_OS_SYMBIAN)
@@ -1844,9 +1788,8 @@ QChar QDir::separator()
     Returns true if the directory was successfully changed; otherwise
     returns false.
 
-    \sa current() currentPath() home() root() temp()
+    \sa current(), currentPath(), home(), root(), temp()
 */
-
 bool QDir::setCurrent(const QString &path)
 {
 #ifdef QT_NO_FSFILEENGINE
@@ -1865,13 +1808,13 @@ bool QDir::setCurrent(const QString &path)
     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()
+    \sa currentPath(), setCurrent(), home(), root(), temp()
 */
 
 /*!
     Returns the absolute path of the application's current directory.
 
-    \sa current(), homePath(), rootPath(), tempPath()
+    \sa current(), setCurrent(), homePath(), rootPath(), tempPath()
 */
 QString QDir::currentPath()
 {
@@ -1888,7 +1831,7 @@ QString QDir::currentPath()
 
     Use currentPath() instead.
 
-    \sa currentPath()
+    \sa currentPath(), setCurrent()
 */
 
 /*!
@@ -1945,14 +1888,14 @@ QString QDir::homePath()
 }
 
 /*!
-  \fn QString QDir::homeDirPath()
+    \fn QString QDir::homeDirPath()
 
-  Returns the absolute path of the user's home directory.
+    Returns the absolute path of the user's home directory.
 
-  Use homePath() instead.
+    Use homePath() instead.
 
-  \sa homePath()
- */
+    \sa homePath()
+*/
 
 /*!
     \fn QDir QDir::temp()
@@ -2018,13 +1961,13 @@ QString QDir::rootPath()
 }
 
 /*!
-  \fn QString QDir::rootDirPath()
+    \fn QString QDir::rootDirPath()
 
-  Returns the absolute path of the root directory.
+    Returns the absolute path of the root directory.
 
-  Use rootPath() instead.
+    Use rootPath() instead.
 
-  \sa rootPath()
+    \sa rootPath()
 */
 
 #ifndef QT_NO_REGEXP
@@ -2037,11 +1980,9 @@ QString QDir::rootPath()
 
     \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) {
+    for (QStringList::ConstIterator sit = filters.constBegin(); sit != filters.constEnd(); ++sit) {
         QRegExp rx(*sit, Qt::CaseInsensitive, QRegExp::Wildcard);
         if (rx.exactMatch(fileName))
             return true;
@@ -2057,12 +1998,11 @@ bool QDir::match(const QStringList &filters, const QString &fileName)
 
     \sa {QRegExp wildcard matching}, QRegExp::exactMatch() entryList() entryInfoList()
 */
-
 bool QDir::match(const QString &filter, const QString &fileName)
 {
     return match(nameFiltersFromString(filter), fileName);
 }
-#endif
+#endif // QT_NO_REGEXP
 
 /*!
     Removes all multiple directory separators "/" and resolves any
@@ -2075,15 +2015,14 @@ bool QDir::match(const QString &filter, const QString &fileName)
 
     \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('/'));
+    if (dir_separator != QLatin1Char('/'))
+       name.replace(dir_separator, QLatin1Char('/'));
 
     int used = 0, levels = 0;
     const int len = name.length();
@@ -2091,27 +2030,27 @@ QString QDir::cleanPath(const QString &path)
     QChar *out = outVector.data();
 
     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('/')) {
+    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)
+                if (!i)
                     break;
 #endif
                 i++;
             }
             bool eaten = false;
-            if(i < len - 1 && p[i+1] == QLatin1Char('.')) {
+            if (i < len - 1 && p[i+1] == QLatin1Char('.')) {
                 int dotcount = 1;
-                if(i < len - 2 && p[i+2] == QLatin1Char('.'))
+                if (i < len - 2 && p[i+2] == QLatin1Char('.'))
                     dotcount++;
-                if(i == len - dotcount - 1) {
-                    if(dotcount == 1) {
+                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('/')) {
+                    } else if (levels) {
+                        if (last == -1) {
+                            for (int i2 = iwrite-1; i2 >= 0; i2--) {
+                                if (out[i2] == QLatin1Char('/')) {
                                     last = i2;
                                     break;
                                 }
@@ -2120,11 +2059,11 @@ QString QDir::cleanPath(const QString &path)
                         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('/')) {
+                } 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;
@@ -2133,7 +2072,7 @@ QString QDir::cleanPath(const QString &path)
                         } else {
                             eaten = true;
                         }
-                        if(eaten) {
+                        if (eaten) {
                             levels--;
                             used -= iwrite - last;
                             iwrite = last;
@@ -2145,38 +2084,38 @@ QString QDir::cleanPath(const QString &path)
                         iwrite = qMax(0, last);
                         last = -1;
                         ++i;
-                    } else if(dotcount == 1) {
+                    } else if (dotcount == 1) {
                         eaten = true;
                     }
-                    if(eaten)
+                    if (eaten)
                         i += dotcount;
                 } else {
                     levels++;
                 }
-            } else if(last != -1 && iwrite - last == 1) {
+            } else if (last != -1 && iwrite - last == 1) {
 #if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
                 eaten = (iwrite > 2);
 #else
                 eaten = true;
 #endif
                 last = -1;
-            } else if(last != -1 && i == len-1) {
+            } else if (last != -1 && i == len-1) {
                 eaten = true;
             } else {
                 levels++;
             }
-            if(!eaten)
+            if (!eaten)
                 last = i - (i - iwrite);
             else
                 continue;
-        } else if(!i && p[i] == QLatin1Char('.')) {
+        } else if (!i && p[i] == QLatin1Char('.')) {
             int dotcount = 1;
-            if(len >= 1 && p[1] == QLatin1Char('.'))
+            if (len >= 1 && p[1] == QLatin1Char('.'))
                 dotcount++;
-            if(len >= dotcount && p[dotcount] == QLatin1Char('/')) {
-                if(dotcount == 1) {
+            if (len >= dotcount && p[dotcount] == QLatin1Char('/')) {
+                if (dotcount == 1) {
                     i++;
-                    while(i+1 < len-1 && p[i+1] == QLatin1Char('/'))
+                    while (i+1 < len-1 && p[i+1] == QLatin1Char('/'))
                         i++;
                     continue;
                 }
@@ -2185,16 +2124,15 @@ QString QDir::cleanPath(const QString &path)
         out[iwrite++] = p[i];
         used++;
     }
-    QString ret;
-    if(used == len)
-        ret = name;
-    else
-	ret = QString(out, used);
 
+    QString ret = (used == len ? name : QString(out, 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);
+    if (ret.length() > 1 && ret.endsWith(QLatin1Char('/'))) {
+#ifdef Q_OS_WIN
+        if (!(ret.length() == 3 && ret.at(1) == QLatin1Char(':')))
+#endif
+            ret.chop(1);
+    }
 
     return ret;
 }
@@ -2205,7 +2143,6 @@ QString QDir::cleanPath(const QString &path)
 
     \sa isRelative() isAbsolutePath() makeAbsolute()
 */
-
 bool QDir::isRelativePath(const QString &path)
 {
     return QFileInfo(path).isRelative();
@@ -2214,12 +2151,11 @@ bool QDir::isRelativePath(const QString &path)
 /*!
     Refreshes the directory information.
 */
-
 void QDir::refresh() const
 {
     Q_D(const QDir);
 
-    d->data->clear();
+    const_cast<QDirPrivate *>(d)->reset();
 }
 
 /*!
@@ -2229,7 +2165,6 @@ void QDir::refresh() const
     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);
@@ -2309,6 +2244,8 @@ bool QDir::matchAllDirs() const
 void QDir::setMatchAllDirs(bool on)
 {
     Q_D(QDir);
+
+    d->reset();
     d->matchAllDirs = on;
 }
 
@@ -2421,7 +2358,8 @@ void QDir::setNameFilter(const QString &nameFilter)
 
     Use QDir::SortFlags instead.
 */
-#endif
+#endif // QT3_SUPPORT
+
 #ifndef QT_NO_DEBUG_STREAM
 QDebug operator<<(QDebug debug, QDir::Filters filters)
 {
@@ -2484,9 +2422,6 @@ QDebug operator<<(QDebug debug, const QDir &dir)
                        << ')';
     return debug.space();
 }
-
-
-
-#endif
+#endif // QT_NO_DEBUG_STREAM
 
 QT_END_NAMESPACE
diff --git a/src/corelib/io/qdir.h b/src/corelib/io/qdir.h
index 6be4922d20..186dd2f05a 100644
--- a/src/corelib/io/qdir.h
+++ b/src/corelib/io/qdir.h
@@ -83,7 +83,7 @@ public:
                   Modified    = 0x080,
                   Hidden      = 0x100,
                   System      = 0x200,
-                 
+
                   AccessMask  = 0x3F0,
 
                   AllDirs       = 0x400,
@@ -215,6 +215,7 @@ public:
     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;
 
@@ -246,7 +247,7 @@ public:
     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
+#endif // QT3_SUPPORT
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QDir::Filters)
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp
index e90529e080..625098e6e7 100644
--- a/src/corelib/io/qfileinfo.cpp
+++ b/src/corelib/io/qfileinfo.cpp
@@ -41,12 +41,8 @@
 
 #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"
 #include "qfileinfo_p.h"
 
@@ -54,7 +50,7 @@ QT_BEGIN_NAMESPACE
 
 QFileInfoPrivate::QFileInfoPrivate(const QFileInfo *copy)
 {
-    if(copy) {
+    if (copy) {
         copy->d_func()->data->ref.ref();
         data = copy->d_func()->data;
     } else {
@@ -81,7 +77,8 @@ void QFileInfoPrivate::initFileEngine(const QString &file)
 
 bool QFileInfoPrivate::hasAccess(Access access) const
 {
-    if (!(getFileFlags(QAbstractFileEngine::FileInfoAll) & QAbstractFileEngine::LocalDiskFlag)) {
+    if (!(getFileFlags(QAbstractFileEngine::PermsMask
+                       | QAbstractFileEngine::LocalDiskFlag) & QAbstractFileEngine::LocalDiskFlag)) {
         switch (access) {
         case ReadAccess:
             return getFileFlags(QAbstractFileEngine::ReadUserPerm);
@@ -129,86 +126,104 @@ void QFileInfoPrivate::detach()
 
 QString QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName name) const
 {
-    if(data->cache_enabled && !data->fileNames[(int)name].isNull())
+    if (data->cache_enabled && !data->fileNames[(int)name].isNull())
         return data->fileNames[(int)name];
     QString ret = data->fileEngine->fileName(name);
-    if(data->cache_enabled)
+    if (ret.isNull())
+        ret = QLatin1String("");
+    if (data->cache_enabled)
         data->fileNames[(int)name] = ret;
     return ret;
 }
 
+QString QFileInfoPrivate::getFileOwner(QAbstractFileEngine::FileOwner own) const
+{
+    if (data->cache_enabled && !data->fileOwners[(int)own].isNull())
+        return data->fileOwners[(int)own];
+    QString ret = data->fileEngine->owner(own);
+    if (ret.isNull())
+        ret = QLatin1String("");
+    if (data->cache_enabled)
+        data->fileOwners[(int)own] = ret;
+    return ret;
+}
+
 uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) const
 {
-    // We split the testing into tests for for LinkType, BundleType and the rest.
+    // We split the testing into tests for for LinkType, BundleType, PermsMask
+    // and the rest.
+    // Tests for file permissions on Windows can be slow, expecially on network
+    // paths and NTFS drives.
     // 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);
+    QAbstractFileEngine::FileFlags req = 0;
+    uint cachedFlags = 0;
 
-        flags = data->fileEngine->fileFlags(req);
-        data->setCachedFlag(CachedFileFlags);
-        data->fileFlags |= uint(flags);
-    } else {
-        flags = QAbstractFileEngine::FileFlags(data->fileFlags & request);
-    }
+    if (request & (QAbstractFileEngine::FlagsMask | QAbstractFileEngine::TypesMask)) {
+        if (!data->getCachedFlag(CachedFileFlags)) {
+            req |= QAbstractFileEngine::FlagsMask;
+            req |= QAbstractFileEngine::TypesMask;
+            req &= (~QAbstractFileEngine::LinkType);
+            req &= (~QAbstractFileEngine::BundleType);
 
-    if (request & QAbstractFileEngine::LinkType) {
-        if (!data->getCachedFlag(CachedLinkTypeFlag)) {
-            QAbstractFileEngine::FileFlags linkflag;
-            linkflag = data->fileEngine->fileFlags(QAbstractFileEngine::LinkType);
+            cachedFlags |= CachedFileFlags;
+        }
 
-            data->setCachedFlag(CachedLinkTypeFlag);
-            data->fileFlags |= uint(linkflag);
-            flags |= linkflag;
+        if (request & QAbstractFileEngine::LinkType) {
+            if (!data->getCachedFlag(CachedLinkTypeFlag)) {
+                req |= QAbstractFileEngine::LinkType;
+                cachedFlags |= CachedLinkTypeFlag;
+            }
         }
-    }
 
-    if (request & QAbstractFileEngine::BundleType) {
-        if (!data->getCachedFlag(CachedBundleTypeFlag)) {
-            QAbstractFileEngine::FileFlags bundleflag;
-            bundleflag = data->fileEngine->fileFlags(QAbstractFileEngine::BundleType);
+        if (request & QAbstractFileEngine::BundleType) {
+            if (!data->getCachedFlag(CachedBundleTypeFlag)) {
+                req |= QAbstractFileEngine::BundleType;
+                cachedFlags |= CachedBundleTypeFlag;
+            }
+        }
+    }
 
-            data->setCachedFlag(CachedBundleTypeFlag);
-            data->fileFlags |= uint(bundleflag);
-            flags |= bundleflag;
+    if (request & QAbstractFileEngine::PermsMask) {
+        if (!data->getCachedFlag(CachedPerms)) {
+            req |= QAbstractFileEngine::PermsMask;
+            cachedFlags |= CachedPerms;
         }
     }
 
-    // no else branch
-    // if we had it cached, it was caught in the previous else branch
+    if (req) {
+        if (data->cache_enabled)
+            req &= (~QAbstractFileEngine::Refresh);
+        else
+            req |= QAbstractFileEngine::Refresh;
 
-    return flags & request;
+        QAbstractFileEngine::FileFlags flags = data->fileEngine->fileFlags(req);
+        data->fileFlags |= uint(flags);
+        data->setCachedFlag(cachedFlags);
+    }
+
+    return data->fileFlags & 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));
+    uint cf;
+    if (request == QAbstractFileEngine::CreationTime)
+        cf = CachedCTime;
+    else if (request == QAbstractFileEngine::ModificationTime)
+        cf = CachedMTime;
+    else
+        cf = CachedATime;
+    if (!data->getCachedFlag(cf)) {
+        data->fileTimes[request] = data->fileEngine->fileTime(request);
+        data->setCachedFlag(cf);
     }
-    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
+    return data->fileTimes[request];
 }
 
 //************* QFileInfo
@@ -305,7 +320,6 @@ QDateTime &QFileInfoPrivate::getFileTime(QAbstractFileEngine::FileTime request)
 
     \sa setFile()
 */
-
 QFileInfo::QFileInfo() : d_ptr(new QFileInfoPrivate())
 {
 }
@@ -316,7 +330,6 @@ QFileInfo::QFileInfo() : d_ptr(new QFileInfoPrivate())
 
     \sa setFile(), isRelative(), QDir::setCurrent(), QDir::isRelativePath()
 */
-
 QFileInfo::QFileInfo(const QString &file) : d_ptr(new QFileInfoPrivate())
 {
     d_ptr->initFileEngine(file);
@@ -331,7 +344,6 @@ QFileInfo::QFileInfo(const QString &file) : d_ptr(new QFileInfoPrivate())
 
     \sa isRelative()
 */
-
 QFileInfo::QFileInfo(const QFile &file) : d_ptr(new QFileInfoPrivate())
 {
     d_ptr->initFileEngine(file.fileName());
@@ -349,7 +361,6 @@ QFileInfo::QFileInfo(const QFile &file) : d_ptr(new QFileInfoPrivate())
 
     \sa isRelative()
 */
-
 QFileInfo::QFileInfo(const QDir &dir, const QString &file) : d_ptr(new QFileInfoPrivate())
 {
     d_ptr->initFileEngine(dir.filePath(file));
@@ -358,7 +369,6 @@ QFileInfo::QFileInfo(const QDir &dir, const QString &file) : d_ptr(new QFileInfo
 /*!
     Constructs a new QFileInfo that is a copy of the given \a fileinfo.
 */
-
 QFileInfo::QFileInfo(const QFileInfo &fileinfo) : d_ptr(new QFileInfoPrivate(&fileinfo))
 {
 
@@ -368,7 +378,6 @@ QFileInfo::QFileInfo(const QFileInfo &fileinfo) : d_ptr(new QFileInfoPrivate(&fi
     Destroys the QFileInfo and frees its resources.
 */
 
-
 QFileInfo::~QFileInfo()
 {
 }
@@ -395,19 +404,19 @@ 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)
+    if (fileinfo.d_func()->data == d->data)
         return true;
-    if(!d->data->fileEngine || !fileinfo.d_func()->data->fileEngine)
+    if (!d->data->fileEngine || !fileinfo.d_func()->data->fileEngine)
         return false;
-    if(d->data->fileEngine->caseSensitive() != fileinfo.d_func()->data->fileEngine->caseSensitive())
+    if (d->data->fileEngine->caseSensitive() != fileinfo.d_func()->data->fileEngine->caseSensitive())
         return false;
-    if(fileinfo.size() == size()) { //if the size isn't the same...
+    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())
+        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;
@@ -441,7 +450,6 @@ bool QFileInfo::operator==(const QFileInfo &fileinfo)
 /*!
     Makes a copy of the given \a fileinfo and assigns it to this QFileInfo.
 */
-
 QFileInfo &QFileInfo::operator=(const QFileInfo &fileinfo)
 {
     Q_D(QFileInfo);
@@ -464,7 +472,6 @@ QFileInfo &QFileInfo::operator=(const QFileInfo &fileinfo)
 
     \sa isRelative(), QDir::setCurrent(), QDir::isRelativePath()
 */
-
 void QFileInfo::setFile(const QString &file)
 {
     *this = QFileInfo(file);
@@ -481,7 +488,6 @@ void QFileInfo::setFile(const QString &file)
 
     \sa isRelative()
 */
-
 void QFileInfo::setFile(const QFile &file)
 {
     *this = QFileInfo(file.fileName());
@@ -498,7 +504,6 @@ void QFileInfo::setFile(const QFile &file)
 
     \sa isRelative()
 */
-
 void QFileInfo::setFile(const QDir &dir, const QString &file)
 {
     *this = QFileInfo(dir.filePath(file));
@@ -528,25 +533,24 @@ void QFileInfo::setFile(const QDir &dir, const QString &file)
 QString QFileInfo::absoluteFilePath() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    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.
+    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.
+    If the file does not exist, canonicalFilePath() returns an empty
+    string.
 
-  \sa filePath(), absoluteFilePath(), dir()
+    \sa filePath(), absoluteFilePath(), dir()
 */
-
 QString QFileInfo::canonicalFilePath() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::CanonicalName);
 }
@@ -569,7 +573,6 @@ QString QFileInfo::canonicalFilePath() const
 
     \sa absoluteFilePath(), path(), canonicalPath(), fileName(), isRelative()
 */
-
 QString QFileInfo::absolutePath() const
 {
     Q_D(const QFileInfo);
@@ -591,16 +594,14 @@ QString QFileInfo::absolutePath() const
 
     \sa path(), absolutePath()
 */
-
 QString QFileInfo::canonicalPath() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::CanonicalPathName);
 }
 
-
 /*!
     Returns the file's path. This doesn't include the file name.
 
@@ -610,11 +611,10 @@ QString QFileInfo::canonicalPath() const
 
     \sa filePath(), absolutePath(), canonicalPath(), dir(), fileName(), isRelative()
 */
-
 QString QFileInfo::path() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::PathName);
 }
@@ -635,16 +635,14 @@ QString QFileInfo::path() const
 
     \sa isAbsolute()
 */
-
 bool QFileInfo::isRelative() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    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
@@ -652,11 +650,10 @@ bool QFileInfo::isRelative() const
 
     \sa filePath(), isRelative()
 */
-
 bool QFileInfo::makeAbsolute()
 {
     Q_D(QFileInfo);
-    if(!d->data->fileEngine || !d->data->fileEngine->isRelativePath())
+    if (!d->data->fileEngine || !d->data->fileEngine->isRelativePath())
         return false;
     QString absFileName = d->getFileName(QAbstractFileEngine::AbsoluteName);
     d->initFileEngine(absFileName);
@@ -669,11 +666,10 @@ bool QFileInfo::makeAbsolute()
     \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)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::ExistsFlag);
 }
@@ -685,7 +681,6 @@ bool QFileInfo::exists() const
    \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);
@@ -698,11 +693,10 @@ void QFileInfo::refresh()
 
     \sa absoluteFilePath(), canonicalFilePath(), isRelative()
 */
-
 QString QFileInfo::filePath() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::DefaultName);
 }
@@ -718,11 +712,10 @@ QString QFileInfo::filePath() const
 
     \sa isRelative(), filePath(), baseName(), extension()
 */
-
 QString QFileInfo::fileName() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::BaseName);
 }
@@ -739,11 +732,10 @@ QString QFileInfo::fileName() const
 
     \sa isBundle(), filePath(), baseName(), extension()
 */
-
 QString QFileInfo::bundleName() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::BundleName);
 }
@@ -764,11 +756,10 @@ QString QFileInfo::bundleName() const
 
     \sa fileName(), suffix(), completeSuffix(), completeBaseName()
 */
-
 QString QFileInfo::baseName() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::BaseName).section(QLatin1Char('.'), 0, 0);
 }
@@ -784,11 +775,10 @@ QString QFileInfo::baseName() const
 
     \sa fileName(), suffix(), completeSuffix(), baseName()
 */
-
 QString QFileInfo::completeBaseName() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     QString name = d->getFileName(QAbstractFileEngine::BaseName);
     int index = name.lastIndexOf(QLatin1Char('.'));
@@ -806,11 +796,10 @@ QString QFileInfo::completeBaseName() const
 
     \sa fileName(), suffix(), baseName(), completeBaseName()
 */
-
 QString QFileInfo::completeSuffix() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     QString fileName = d->getFileName(QAbstractFileEngine::BaseName);
     int firstDot = fileName.indexOf(QLatin1Char('.'));
@@ -834,11 +823,10 @@ QString QFileInfo::completeSuffix() const
 
     \sa fileName(), completeSuffix(), baseName(), completeBaseName()
 */
-
 QString QFileInfo::suffix() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     QString fileName = d->getFileName(QAbstractFileEngine::BaseName);
     int lastDot = fileName.lastIndexOf(QLatin1Char('.'));
@@ -849,24 +837,23 @@ QString QFileInfo::suffix() const
 
 
 /*!
-  Returns the path of the object's parent directory as a QDir object.
+    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.
+    \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"}.
+    For each of the follwing, dir() returns a QDir for
+    \c{"~/examples/191697"}.
 
-  \snippet doc/src/snippets/fileinfo/main.cpp 0
+    \snippet doc/src/snippets/fileinfo/main.cpp 0
 
-  For each of the follwing, dir() returns a QDir for
-  \c{"."}.
+    For each of the follwing, dir() returns a QDir for
+    \c{"."}.
 
-  \snippet doc/src/snippets/fileinfo/main.cpp 1
+    \snippet doc/src/snippets/fileinfo/main.cpp 1
 
-  \sa absolutePath(), filePath(), fileName(), isRelative(), absoluteDir()
+    \sa absolutePath(), filePath(), fileName(), isRelative(), absoluteDir()
 */
-
 QDir QFileInfo::dir() const
 {
     // ### Qt5: Maybe rename this to parentDirectory(), considering what it actually do?
@@ -878,7 +865,6 @@ QDir QFileInfo::dir() const
 
     \sa dir(), filePath(), fileName(), isRelative()
 */
-
 QDir QFileInfo::absoluteDir() const
 {
     return QDir(absolutePath());
@@ -891,7 +877,7 @@ QDir QFileInfo::absoluteDir() const
 */
 QDir QFileInfo::dir(bool absPath) const
 {
-    if(absPath)
+    if (absPath)
         return absoluteDir();
     return dir();
 }
@@ -902,11 +888,10 @@ QDir QFileInfo::dir(bool absPath) const
 
     \sa isWritable(), isExecutable(), permission()
 */
-
 bool QFileInfo::isReadable() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->hasAccess(QFileInfoPrivate::ReadAccess);
 }
@@ -916,11 +901,10 @@ bool QFileInfo::isReadable() const
 
     \sa isReadable(), isExecutable(), permission()
 */
-
 bool QFileInfo::isWritable() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->hasAccess(QFileInfoPrivate::WriteAccess);
 }
@@ -930,11 +914,10 @@ bool QFileInfo::isWritable() const
 
     \sa isReadable(), isWritable(), permission()
 */
-
 bool QFileInfo::isExecutable() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->hasAccess(QFileInfoPrivate::ExecuteAccess);
 }
@@ -948,7 +931,7 @@ bool QFileInfo::isExecutable() const
 bool QFileInfo::isHidden() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::HiddenFlag);
 }
@@ -960,11 +943,10 @@ bool QFileInfo::isHidden() const
 
     \sa isDir(), isSymLink(), isBundle()
 */
-
 bool QFileInfo::isFile() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::FileType);
 }
@@ -975,11 +957,10 @@ bool QFileInfo::isFile() const
 
     \sa isFile(), isSymLink(), isBundle()
 */
-
 bool QFileInfo::isDir() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::DirectoryType);
 }
@@ -992,11 +973,10 @@ bool QFileInfo::isDir() const
 
     \sa isDir(), isSymLink(), isFile()
 */
-
 bool QFileInfo::isBundle() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::BundleType);
 }
@@ -1018,21 +998,19 @@ bool QFileInfo::isBundle() const
 
     \sa isFile(), isDir(), symLinkTarget()
 */
-
 bool QFileInfo::isSymLink() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    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.
+    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);
@@ -1064,7 +1042,7 @@ bool QFileInfo::isRoot() const
 QString QFileInfo::readLink() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
     return d->getFileName(QAbstractFileEngine::LinkName);
 }
@@ -1079,13 +1057,12 @@ QString QFileInfo::readLink() const
 
     \sa ownerId(), group(), groupId()
 */
-
 QString QFileInfo::owner() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
-    return d->data->fileEngine->owner(QAbstractFileEngine::OwnerUser);
+    return d->getFileOwner(QAbstractFileEngine::OwnerUser);
 }
 
 /*!
@@ -1096,11 +1073,10 @@ QString QFileInfo::owner() const
 
     \sa owner(), group(), groupId()
 */
-
 uint QFileInfo::ownerId() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return 0;
     return d->data->fileEngine->ownerId(QAbstractFileEngine::OwnerUser);
 }
@@ -1115,13 +1091,12 @@ uint QFileInfo::ownerId() const
 
     \sa groupId(), owner(), ownerId()
 */
-
 QString QFileInfo::group() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QLatin1String("");
-    return d->data->fileEngine->owner(QAbstractFileEngine::OwnerGroup);
+    return d->getFileOwner(QAbstractFileEngine::OwnerGroup);
 }
 
 /*!
@@ -1132,11 +1107,10 @@ QString QFileInfo::group() const
 
     \sa group(), owner(), ownerId()
 */
-
 uint QFileInfo::groupId() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return 0;
     return d->data->fileEngine->ownerId(QAbstractFileEngine::OwnerGroup);
 }
@@ -1154,11 +1128,10 @@ uint QFileInfo::groupId() const
 
     \sa isReadable(), isWritable(), isExecutable()
 */
-
 bool QFileInfo::permission(QFile::Permissions permissions) const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return false;
     return d->getFileFlags(QAbstractFileEngine::FileFlags((int)permissions)) == (uint)permissions;
 }
@@ -1167,11 +1140,10 @@ bool QFileInfo::permission(QFile::Permissions permissions) const
     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)
+    if (!d->data->fileEngine)
         return 0;
     return QFile::Permissions(d->getFileFlags(QAbstractFileEngine::PermsMask) & QAbstractFileEngine::PermsMask);
 }
@@ -1183,13 +1155,12 @@ QFile::Permissions QFileInfo::permissions() const
 
     \sa exists()
 */
-
 qint64 QFileInfo::size() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return 0;
-    if(!d->data->getCachedFlag(QFileInfoPrivate::CachedSize)) {
+    if (!d->data->getCachedFlag(QFileInfoPrivate::CachedSize)) {
         d->data->setCachedFlag(QFileInfoPrivate::CachedSize);
         d->data->fileSize = d->data->fileEngine->size();
     }
@@ -1209,11 +1180,10 @@ qint64 QFileInfo::size() const
 
     \sa lastModified() lastRead()
 */
-
 QDateTime QFileInfo::created() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QDateTime();
     return d->getFileTime(QAbstractFileEngine::CreationTime);
 }
@@ -1223,11 +1193,10 @@ QDateTime QFileInfo::created() const
 
     \sa created() lastRead()
 */
-
 QDateTime QFileInfo::lastModified() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QDateTime();
     return d->getFileTime(QAbstractFileEngine::ModificationTime);
 }
@@ -1240,11 +1209,10 @@ QDateTime QFileInfo::lastModified() const
 
     \sa created() lastModified()
 */
-
 QDateTime QFileInfo::lastRead() const
 {
     Q_D(const QFileInfo);
-    if(!d->data->fileEngine)
+    if (!d->data->fileEngine)
         return QDateTime();
     return d->getFileTime(QAbstractFileEngine::AccessTime);
 }
@@ -1252,7 +1220,6 @@ QDateTime QFileInfo::lastRead() const
 /*! \internal
     Detaches all internal data.
 */
-
 void QFileInfo::detach()
 {
     Q_D(QFileInfo);
@@ -1264,7 +1231,6 @@ void QFileInfo::detach()
 
     \sa setCaching(), refresh()
 */
-
 bool QFileInfo::caching() const
 {
     Q_D(const QFileInfo);
@@ -1283,7 +1249,6 @@ bool QFileInfo::caching() const
 
     \sa refresh(), caching()
 */
-
 void QFileInfo::setCaching(bool enable)
 {
     Q_D(QFileInfo);
diff --git a/src/corelib/io/qfileinfo_p.h b/src/corelib/io/qfileinfo_p.h
index 065f860dd6..d97a0cf08d 100644
--- a/src/corelib/io/qfileinfo_p.h
+++ b/src/corelib/io/qfileinfo_p.h
@@ -54,6 +54,9 @@
 //
 
 #include "qfileinfo.h"
+#include "qabstractfileengine.h"
+#include "qdatetime.h"
+#include "qatomic.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -75,35 +78,41 @@ public:
     uint getFileFlags(QAbstractFileEngine::FileFlags) const;
     QDateTime &getFileTime(QAbstractFileEngine::FileTime) const;
     QString getFileName(QAbstractFileEngine::FileName) const;
+    QString getFileOwner(QAbstractFileEngine::FileOwner own) const;
 
     enum { CachedFileFlags=0x01, CachedLinkTypeFlag=0x02, CachedBundleTypeFlag=0x04,
            CachedMTime=0x10, CachedCTime=0x20, CachedATime=0x40,
-           CachedSize =0x08 };
+           CachedSize =0x08, CachedPerms=0x80 };
     struct Data {
         inline Data()
-            : ref(1), fileEngine(0), cache_enabled(1), fileSize(0)
-        { clear(); }
+            : ref(1), fileEngine(0),
+              cachedFlags(0), cache_enabled(1), fileFlags(0), fileSize(0)
+        {}
         inline Data(const Data &copy)
             : ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)),
-              fileName(copy.fileName), cache_enabled(copy.cache_enabled), fileSize(copy.fileSize)
-        { clear(); }
+              fileName(copy.fileName),
+              cachedFlags(0), cache_enabled(copy.cache_enabled), fileFlags(0), fileSize(0)
+        {}
         inline ~Data() { delete fileEngine; }
         inline void clearFlags() {
             fileFlags = 0;
             cachedFlags = 0;
             if (fileEngine)
-                (void)fileEngine->fileFlags(QFSFileEngine::Refresh);
+                (void)fileEngine->fileFlags(QAbstractFileEngine::Refresh);
         }
         inline void clear() {
             clearFlags();
             for (int i = QAbstractFileEngine::NFileNames - 1 ; i >= 0 ; --i)
                 fileNames[i].clear();
+            fileOwners[1].clear();
+            fileOwners[0].clear();
         }
         mutable QAtomicInt ref;
 
         QAbstractFileEngine *fileEngine;
         mutable QString fileName;
         mutable QString fileNames[QAbstractFileEngine::NFileNames];
+        mutable QString fileOwners[2];
 
         mutable uint cachedFlags : 31;
         mutable uint cache_enabled : 1;
diff --git a/src/corelib/io/qfilesystemwatcher.cpp b/src/corelib/io/qfilesystemwatcher.cpp
index 451fbd41c4..7223e49682 100644
--- a/src/corelib/io/qfilesystemwatcher.cpp
+++ b/src/corelib/io/qfilesystemwatcher.cpp
@@ -248,7 +248,7 @@ QFileSystemWatcherEngine *QFileSystemWatcherPrivate::createNativeEngine()
         eng = QDnotifyFileSystemWatcherEngine::create();
     return eng;
 #elif defined(Q_OS_FREEBSD) || defined(Q_OS_MAC)
-#  if 0 && (defined Q_OS_MAC) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+#  if defined(Q_OS_MAC) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5)
         return QFSEventsFileSystemWatcherEngine::create();
     else
diff --git a/src/corelib/io/qfilesystemwatcher_dnotify.cpp b/src/corelib/io/qfilesystemwatcher_dnotify.cpp
index 1a218c720c..82470c8b06 100644
--- a/src/corelib/io/qfilesystemwatcher_dnotify.cpp
+++ b/src/corelib/io/qfilesystemwatcher_dnotify.cpp
@@ -39,6 +39,7 @@
 **
 ****************************************************************************/
 
+#include "qplatformdefs.h"
 #include "qfilesystemwatcher.h"
 #include "qfilesystemwatcher_dnotify_p.h"
 
@@ -255,16 +256,16 @@ QStringList QDnotifyFileSystemWatcherEngine::addPaths(const QStringList &paths,
 
         if(fd == 0) {
 
-            DIR *d = ::opendir(path.toUtf8().constData());
+            QT_DIR *d = QT_OPENDIR(path.toUtf8().constData());
             if(!d) continue; // Could not open directory
-            DIR *parent = 0;
+            QT_DIR *parent = 0;
 
             QDir parentDir(path);
             if(!parentDir.isRoot()) {
                 parentDir.cdUp();
-                parent = ::opendir(parentDir.path().toUtf8().constData());
+                parent = QT_OPENDIR(parentDir.path().toUtf8().constData());
                 if(!parent) {
-                    ::closedir(d);
+                    QT_CLOSEDIR(d);
                     continue;
                 }
             }
@@ -272,8 +273,8 @@ QStringList QDnotifyFileSystemWatcherEngine::addPaths(const QStringList &paths,
             fd = qt_safe_dup(::dirfd(d));
             int parentFd = parent ? qt_safe_dup(::dirfd(parent)) : 0;
 
-            ::closedir(d);
-            if(parent) ::closedir(parent);
+            QT_CLOSEDIR(d);
+            if(parent) QT_CLOSEDIR(parent);
 
             Q_ASSERT(fd);
             if(::fcntl(fd, F_SETSIG, SIGIO) ||
diff --git a/src/corelib/io/qfilesystemwatcher_fsevents.cpp b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
index 046377eff5..54ae24e40b 100644
--- a/src/corelib/io/qfilesystemwatcher_fsevents.cpp
+++ b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
@@ -94,7 +94,7 @@ static void addPathToHash(PathHash &pathHash, const QString &key, const QFileInf
 {
     PathInfoList &list = pathHash[key];
     list.push_back(PathInfo(path,
-                            fileInfo.absoluteFilePath().normalized(QString::NormalizationForm_D).toUtf8()));
+                            fileInfo.canonicalFilePath().normalized(QString::NormalizationForm_D).toUtf8()));
     pathHash.insert(key, list);
 }
 
@@ -206,7 +206,7 @@ QStringList QFSEventsFileSystemWatcherEngine::addPaths(const QStringList &paths,
             } else {
                 directories->append(path);
                 // Full file path for dirs.
-                QCFString cfpath(createFSStreamPath(fileInfo.absoluteFilePath()));
+                QCFString cfpath(createFSStreamPath(fileInfo.canonicalFilePath()));
                 addPathToHash(dirPathInfoHash, cfpath, fileInfo, path);
                 CFArrayAppendValue(tmpArray, cfpath);
             }
@@ -216,7 +216,7 @@ QStringList QFSEventsFileSystemWatcherEngine::addPaths(const QStringList &paths,
                 continue;
             } else {
                 // Just the absolute path (minus it's filename) for files.
-                QCFString cfpath(createFSStreamPath(fileInfo.absolutePath()));
+                QCFString cfpath(createFSStreamPath(fileInfo.canonicalPath()));
                 files->append(path);
                 addPathToHash(filePathInfoHash, cfpath, fileInfo, path);
                 CFArrayAppendValue(tmpArray, cfpath);
@@ -293,7 +293,7 @@ QStringList QFSEventsFileSystemWatcherEngine::removePaths(const QStringList &pat
         itemCount = CFArrayGetCount(tmpArray);
         const QString &path = paths.at(i);
         QFileInfo fi(path);
-        QCFString cfpath(createFSStreamPath(fi.absolutePath()));
+        QCFString cfpath(createFSStreamPath(fi.canonicalPath()));
 
         CFIndex index = CFArrayGetFirstIndexOfValue(tmpArray, CFRangeMake(0, itemCount), cfpath);
         if (index != -1) {
@@ -302,7 +302,7 @@ QStringList QFSEventsFileSystemWatcherEngine::removePaths(const QStringList &pat
             removePathFromHash(filePathInfoHash, cfpath, path);
         } else {
             // Could be a directory we are watching instead.
-            QCFString cfdirpath(createFSStreamPath(fi.absoluteFilePath()));
+            QCFString cfdirpath(createFSStreamPath(fi.canonicalFilePath()));
             index = CFArrayGetFirstIndexOfValue(tmpArray, CFRangeMake(0, itemCount), cfdirpath);
             if (index != -1) {
                 CFArrayRemoveValueAtIndex(tmpArray, index);
diff --git a/src/corelib/io/qfilesystemwatcher_inotify.cpp b/src/corelib/io/qfilesystemwatcher_inotify.cpp
index a7dc8fad12..4740a8974b 100644
--- a/src/corelib/io/qfilesystemwatcher_inotify.cpp
+++ b/src/corelib/io/qfilesystemwatcher_inotify.cpp
@@ -235,7 +235,7 @@ QInotifyFileSystemWatcherEngine::QInotifyFileSystemWatcherEngine(int fd)
 
 QInotifyFileSystemWatcherEngine::~QInotifyFileSystemWatcherEngine()
 {
-    foreach (int id, pathToID.values())
+    foreach (int id, pathToID)
         inotify_rm_watch(inotifyFd, id < 0 ? -id : id);
 
     ::close(inotifyFd);
diff --git a/src/corelib/io/qfilesystemwatcher_kqueue.cpp b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
index f088ded640..8396481a24 100644
--- a/src/corelib/io/qfilesystemwatcher_kqueue.cpp
+++ b/src/corelib/io/qfilesystemwatcher_kqueue.cpp
@@ -109,7 +109,7 @@ QKqueueFileSystemWatcherEngine::~QKqueueFileSystemWatcherEngine()
     close(kqpipe[0]);
     close(kqpipe[1]);
 
-    foreach (int id, pathToID.values())
+    foreach (int id, pathToID)
         ::close(id < 0 ? -id : id);
 }
 
diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index c842e49bb1..1672dfc519 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -56,6 +56,9 @@
 #endif
 #include <stdio.h>
 #include <stdlib.h>
+#if defined(Q_OS_MAC)
+# include <private/qcore_mac_p.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -143,9 +146,27 @@ QString QFSFileEnginePrivate::canonicalized(const QString &path)
     if (path.size() == 1 && path.at(0) == QLatin1Char('/'))
         return path;
 #endif
-    // Mac OS X 10.5.x doesn't support the realpath(X,0) extenstion we use here.
-#if defined(Q_OS_LINUX) || defined(Q_OS_SYMBIAN)
-    char *ret = realpath(path.toLocal8Bit().constData(), (char*)0);
+#if defined(Q_OS_LINUX) || defined(Q_OS_SYMBIAN) || defined(Q_OS_MAC)
+    char *ret = 0;
+#if defined(Q_OS_MAC)
+    // Mac OS X 10.5.x doesn't support the realpath(X,0) extension we use here.
+    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
+        ret = realpath(path.toLocal8Bit().constData(), (char*)0);
+    } else {
+        // on 10.5 we can use FSRef to resolve the file path.
+        FSRef fsref;
+        if (FSPathMakeRef((const UInt8 *)QDir::cleanPath(path).toUtf8().data(), &fsref, 0) == noErr) {
+            CFURLRef urlref = CFURLCreateFromFSRef(NULL, &fsref);
+            CFStringRef canonicalPath = CFURLCopyFileSystemPath(urlref, kCFURLPOSIXPathStyle);
+            QString ret = QCFString::toQString(canonicalPath);
+            CFRelease(canonicalPath);
+            CFRelease(urlref);
+            return ret;
+        }
+    }
+#else
+    ret = realpath(path.toLocal8Bit().constData(), (char*)0);
+#endif
     if (ret) {
         QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
         free(ret);
diff --git a/src/corelib/io/qfsfileengine_iterator_unix.cpp b/src/corelib/io/qfsfileengine_iterator_unix.cpp
index b68b1a1531..bfdb03e3c1 100644
--- a/src/corelib/io/qfsfileengine_iterator_unix.cpp
+++ b/src/corelib/io/qfsfileengine_iterator_unix.cpp
@@ -58,13 +58,13 @@ public:
 #endif
     {}
 
-    DIR *dir;
-    dirent *dirEntry;
+    QT_DIR *dir;
+    QT_DIRENT *dirEntry;
     bool done;
 
 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN)
     // for readdir_r
-    dirent *mt_file;
+    QT_DIRENT *mt_file;
 #endif
 };
 
@@ -76,14 +76,14 @@ void QFSFileEngineIterator::advance()
         return;
 
 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN)
-    if (::readdir_r(platform->dir, platform->mt_file, &platform->dirEntry) != 0)
+    if (QT_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);
+    platform->dirEntry = QT_READDIR(platform->dir);
 #endif // _POSIX_THREAD_SAFE_FUNCTIONS
     if (!platform->dirEntry) {
-        ::closedir(platform->dir);
+        QT_CLOSEDIR(platform->dir);
         platform->dir = 0;
         platform->done = true;
 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN)
@@ -101,7 +101,7 @@ void QFSFileEngineIterator::newPlatformSpecifics()
 void QFSFileEngineIterator::deletePlatformSpecifics()
 {
     if (platform->dir) {
-        ::closedir(platform->dir);
+        QT_CLOSEDIR(platform->dir);
 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN)
         delete [] platform->mt_file;
         platform->mt_file = 0;
@@ -115,18 +115,18 @@ 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) {
+        if ((that->platform->dir = QT_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;
+            maxPathName += sizeof(QT_DIRENT) + 1;
 #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN)
             if (that->platform->mt_file)
                 delete [] that->platform->mt_file;
-            that->platform->mt_file = (dirent *)new char[maxPathName];
+            that->platform->mt_file = (QT_DIRENT *)new char[maxPathName];
 #endif
 
             that->advance();
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index bec0075286..eb99f27eba 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -66,10 +66,6 @@
 #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
@@ -181,7 +177,7 @@ void QFSFileEnginePrivate::resolveLibs()
 
         triedResolve = true;
 #if !defined(Q_OS_WINCE)
-        HINSTANCE advapiHnd = LoadLibraryW(L"advapi32");
+        HINSTANCE advapiHnd = LoadLibrary(L"advapi32");
         if (advapiHnd) {
             ptrGetNamedSecurityInfoW = (PtrGetNamedSecurityInfoW)GetProcAddress(advapiHnd, "GetNamedSecurityInfoW");
             ptrLookupAccountSidW = (PtrLookupAccountSidW)GetProcAddress(advapiHnd, "LookupAccountSidW");
@@ -213,7 +209,7 @@ void QFSFileEnginePrivate::resolveLibs()
                 ptrFreeSid(pWorld);
             }
         }
-        HINSTANCE userenvHnd = LoadLibraryW(L"userenv");
+        HINSTANCE userenvHnd = LoadLibrary(L"userenv");
         if (userenvHnd)
             ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW");
 #endif
@@ -221,7 +217,6 @@ void QFSFileEnginePrivate::resolveLibs()
 }
 #endif // QT_NO_LIBRARY
 
-// UNC functions NT
 typedef DWORD (WINAPI *PtrNetShareEnum)(LPWSTR, DWORD, LPBYTE*, DWORD, LPDWORD, LPDWORD, LPDWORD);
 static PtrNetShareEnum ptrNetShareEnum = 0;
 typedef DWORD (WINAPI *PtrNetApiBufferFree)(LPVOID);
@@ -245,7 +240,7 @@ bool QFSFileEnginePrivate::resolveUNCLibs()
 #endif
         triedResolve = true;
 #if !defined(Q_OS_WINCE)
-        HINSTANCE hLib = LoadLibraryW(L"Netapi32");
+        HINSTANCE hLib = LoadLibrary(L"netapi32");
         if (hLib) {
             ptrNetShareEnum = (PtrNetShareEnum)GetProcAddress(hLib, "NetShareEnum");
             if (ptrNetShareEnum)
@@ -1042,11 +1037,11 @@ QString QFSFileEngine::homePath()
         if (ok) {
             DWORD dwBufferSize = 0;
             // First call, to determine size of the strings (with '\0').
-            ok = ::ptrGetUserProfileDirectoryW(token, NULL, &dwBufferSize);
+            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);
+                ok = ptrGetUserProfileDirectoryW(token, userDirectory, &dwBufferSize);
                 if (ok)
                     ret = QString::fromWCharArray(userDirectory);
 
@@ -1418,7 +1413,7 @@ 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)) {
+    if((qt_ntfs_permission_lookup > 0) && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) {
         resolveLibs();
         if(ptrGetNamedSecurityInfoW && ptrBuildTrusteeWithSidW && ptrGetEffectiveRightsFromAclW) {
             enum { ReadMask = 0x00000001, WriteMask = 0x00000002, ExecMask = 0x00000020 };
@@ -1721,8 +1716,7 @@ QString QFSFileEngine::owner(FileOwner own) const
     QString name;
 #if !defined(QT_NO_LIBRARY)
     Q_D(const QFSFileEngine);
-
-    if ((qt_ntfs_permission_lookup > 0) && ((QSysInfo::WindowsVersion&QSysInfo::WV_NT_based) > QSysInfo::WV_NT)) {
+    if((qt_ntfs_permission_lookup > 0) && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) {
         QFSFileEnginePrivate::resolveLibs();
         if (ptrGetNamedSecurityInfoW && ptrLookupAccountSidW) {
             PSID pOwner = 0;
diff --git a/src/corelib/io/qurl.h b/src/corelib/io/qurl.h
index 0aa534a630..906979ce7e 100644
--- a/src/corelib/io/qurl.h
+++ b/src/corelib/io/qurl.h
@@ -46,6 +46,7 @@
 #include <QtCore/qobjectdefs.h>
 #include <QtCore/qpair.h>
 #include <QtCore/qstring.h>
+#include <QtCore/qhash.h>
 
 QT_BEGIN_HEADER
 
@@ -75,6 +76,7 @@ public:
         RemovePath = 0x20,
         RemoveQuery = 0x40,
         RemoveFragment = 0x80,
+        // 0x100: private: normalized
 
         StripTrailingSlash = 0x10000
     };
@@ -268,6 +270,11 @@ public:
     inline DataPtr &data_ptr() { return d; }
 };
 
+inline uint qHash(const QUrl &uri)
+{
+    return qHash(uri.toEncoded(QUrl::FormattingOption(0x100)));
+}
+
 Q_DECLARE_TYPEINFO(QUrl, Q_MOVABLE_TYPE);
 Q_DECLARE_SHARED(QUrl)
 Q_DECLARE_OPERATORS_FOR_FLAGS(QUrl::FormattingOptions)
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index 36e4af93ca..b0503be623 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1248,7 +1248,7 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
 /*!
     \fn QModelIndex QAbstractItemModel::parent(const QModelIndex &index) const = 0
 
-    Returns the parent of the model item with the given \a index. If the model
+    Returns the parent of the model item with the given \a index. If the item
     has no parent, an invalid QModelIndex is returned.
 
     A common convention used in models that expose tree data structures is that
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index 3500b63865..d23ea4cd22 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -272,7 +272,6 @@ QT_BEGIN_NAMESPACE
     \omitvalue MacGLClearDrawable
     \omitvalue NetworkReplyUpdated
     \omitvalue FutureCallOut
-    \omitvalue CocoaRequestModal
     \omitvalue UpdateSoftKeys
     \omitvalue NativeGesture
 */
@@ -331,7 +330,7 @@ QEvent::~QEvent()
     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
+    does not want the event. Unwanted events might be propagated to the
     parent widget.
 
     \sa accept()
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h
index c76e81b49c..a20d17160b 100644
--- a/src/corelib/kernel/qcoreevent.h
+++ b/src/corelib/kernel/qcoreevent.h
@@ -266,7 +266,6 @@ public:
         UngrabMouse = 187,
         GrabKeyboard = 188,
         UngrabKeyboard = 189,
-        CocoaRequestModal = 190,                // Internal for requesting an application modal Cocoa Window
         MacGLClearDrawable = 191,               // Internal Cocoa, the window has changed, so we must clear
 
         StateMachineSignal = 192,
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index cbc87f34af..7c8fb3dc38 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -341,6 +341,9 @@ public:
     // for controlling when to send posted events
     QAtomicInt serialNumber;
     int lastSerialNumber;
+#ifndef Q_OS_WINCE
+    int lastMessageTime;
+#endif
     QAtomicInt wakeUps;
 
     // timers
@@ -364,7 +367,12 @@ public:
 };
 
 QEventDispatcherWin32Private::QEventDispatcherWin32Private()
-    : threadId(GetCurrentThreadId()), interrupt(false), internalHwnd(0), getMessageHook(0), serialNumber(0), lastSerialNumber(0), wakeUps(0)
+    : threadId(GetCurrentThreadId()), interrupt(false), internalHwnd(0), getMessageHook(0),
+      serialNumber(0), lastSerialNumber(0),
+#ifndef Q_OS_WINCE
+      lastMessageTime(0),
+#endif
+      wakeUps(0)
 {
     resolveTimerAPI();
 }
@@ -479,6 +487,9 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
         int localSerialNumber = d->serialNumber;
         if (localSerialNumber != d->lastSerialNumber) {
             d->lastSerialNumber = localSerialNumber;
+#ifndef Q_OS_WINCE
+            d->lastMessageTime = GetMessageTime();
+#endif
             QCoreApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
         }
         return 0;
@@ -495,9 +506,13 @@ LRESULT CALLBACK qt_GetMessageHook(int code, WPARAM wp, LPARAM lp)
         if (q) {
             QEventDispatcherWin32Private *d = q->d_func();
             int localSerialNumber = d->serialNumber;
-            if (HIWORD(GetQueueStatus(QS_INPUT | QS_RAWINPUT | QS_TIMER)) == 0) {
-                // no more input or timer events in the message queue, we can allow posted events to be
-                // sent now
+            if (HIWORD(GetQueueStatus(QS_INPUT | QS_RAWINPUT | QS_TIMER)) == 0
+#ifndef Q_OS_WINCE
+                || GetMessageTime() - d->lastMessageTime >= 10
+#endif
+                ) {
+                // no more input or timer events in the message queue or more than 10ms has elapsed since
+                // we send posted events, we can allow posted events to be sent now
                 (void) d->wakeUps.fetchAndStoreRelease(0);
                 MSG *msg = (MSG *) lp;
                 if (localSerialNumber != d->lastSerialNumber
@@ -744,6 +759,8 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
 
                 if (d->internalHwnd == msg.hwnd && msg.message == WM_QT_SENDPOSTEDEVENTS) {
                     if (seenWM_QT_SENDPOSTEDEVENTS) {
+                        // when calling processEvents() "manually", we only want to send posted
+                        // events once
                         needWM_QT_SENDPOSTEDEVENTS = true;
                         continue;
                     }
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index cd7418afd6..be1b2ae0fd 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -482,6 +482,46 @@ int QMetaObject::classInfoCount() const
     return n;
 }
 
+/** \internal
+* helper class for indexOf{Method,Slot,Signal}, returns the relative index of the method within
+* the baseObject
+* \a MethodType might be MethodSignal or MethodSlot, or 0 to match everything.
+*/
+template<int MethodType>
+static inline int indexOfMethodRelative(const QMetaObject **baseObject,
+                                        const char *method,
+                                        bool normalizeStringData)
+{
+    const QMetaObject *m;
+    for (m = *baseObject; m; m = *baseObject = m->d.superdata) {
+        const QMetaObject *const m = *baseObject;
+        int i = (MethodType == MethodSignal && priv(m->d.data)->revision >= 4)
+                ? (priv(m->d.data)->signalCount - 1) : (priv(m->d.data)->methodCount - 1);
+        if (i < 0)
+            continue;
+
+        const int end = (MethodType == MethodSlot && priv(m->d.data)->revision >= 4)
+                        ? (priv(m->d.data)->signalCount) : 0;
+        if (!normalizeStringData) {
+            for (; i >= end; --i) {
+                if ((MethodType == 0 || (m->d.data[priv(m->d.data)->methodData + 5*i + 4] & MethodTypeMask) == MethodType)
+                    && strcmp(method, m->d.stringdata + m->d.data[priv(m->d.data)->methodData + 5*i]) == 0)
+                    return i;
+            }
+        } else if (priv(m->d.data)->revision < 5) {
+            const char *stringdata = (m->d.stringdata + m->d.data[priv(m->d.data)->methodData + 5 * i]);
+            const QByteArray normalizedSignature = QMetaObject::normalizedSignature(stringdata);
+            for (; i >= end; --i) {
+                if ((MethodType == 0|| (m->d.data[priv(m->d.data)->methodData + 5*i + 4] & MethodTypeMask) == MethodType)
+                    && normalizedSignature == method)
+                    return i;
+            }
+        }
+    }
+    return -1;
+}
+
+
 /*!
     \since 4.5
 
@@ -515,17 +555,14 @@ int QMetaObject::indexOfConstructor(const char *constructor) const
 */
 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;
+    int i = indexOfMethodRelative<0>(&m, method, false);
+    if (i < 0) {
+        m = this;
+        i = indexOfMethodRelative<0>(&m, method, true);
     }
+    if (i >= 0)
+        i += m->methodOffset();
     return i;
 }
 
@@ -543,7 +580,11 @@ int QMetaObject::indexOfMethod(const char *method) const
 int QMetaObject::indexOfSignal(const char *signal) const
 {
     const QMetaObject *m = this;
-    int i = QMetaObjectPrivate::indexOfSignalRelative(&m, signal);
+    int i = QMetaObjectPrivate::indexOfSignalRelative(&m, signal, false);
+    if (i < 0) {
+        m = this;
+        i = QMetaObjectPrivate::indexOfSignalRelative(&m, signal, true);
+    }
     if (i >= 0)
         i += m->methodOffset();
     return i;
@@ -554,21 +595,11 @@ int QMetaObject::indexOfSignal(const char *signal) const
 
     \a baseObject will be adjusted to the enclosing QMetaObject, or 0 if the signal is not found
 */
-int QMetaObjectPrivate::indexOfSignalRelative(const QMetaObject **baseObject, const char *signal)
+int QMetaObjectPrivate::indexOfSignalRelative(const QMetaObject **baseObject,
+                                              const char *signal,
+                                              bool normalizeStringData)
 {
-    int i = -1;
-    while (*baseObject) {
-        const QMetaObject *const m = *baseObject;
-        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) {
-                break;
-            }
-        if (i >= 0)
-            break;
-        *baseObject = m->d.superdata;
-    }
+    int i = indexOfMethodRelative<MethodSignal>(baseObject, signal, normalizeStringData);
 #ifndef QT_NO_DEBUG
     const QMetaObject *m = *baseObject;
     if (i >= 0 && m && m->d.superdata) {
@@ -581,7 +612,6 @@ int QMetaObjectPrivate::indexOfSignalRelative(const QMetaObject **baseObject, co
     return i;
 }
 
-
 /*!
     Finds \a slot and returns its index; otherwise returns -1.
 
@@ -592,18 +622,19 @@ int QMetaObjectPrivate::indexOfSignalRelative(const QMetaObject **baseObject, co
 */
 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;
-    }
+    int i = QMetaObjectPrivate::indexOfSlot(this, slot, false);
+    if (i < 0)
+        i = QMetaObjectPrivate::indexOfSlot(this, slot, true);
+    return i;
+}
+
+int QMetaObjectPrivate::indexOfSlot(const QMetaObject *m,
+                                    const char *slot,
+                                    bool normalizeStringData)
+{
+    int i = indexOfMethodRelative<MethodSlot>(&m, slot, normalizeStringData);
+    if (i >= 0)
+        i += m->methodOffset();
     return i;
 }
 
diff --git a/src/corelib/kernel/qmetaobject_p.h b/src/corelib/kernel/qmetaobject_p.h
index 3bbb05059f..a176149164 100644
--- a/src/corelib/kernel/qmetaobject_p.h
+++ b/src/corelib/kernel/qmetaobject_p.h
@@ -115,11 +115,17 @@ struct QMetaObjectPrivate
     int constructorCount, constructorData; //since revision 2
     int flags; //since revision 3
     int signalCount; //since revision 4
+    // revision 5 introduces changes in normalized signatures, no new members
 
     static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject)
     { return reinterpret_cast<const QMetaObjectPrivate*>(metaobject->d.data); }
 
-    static int indexOfSignalRelative(const QMetaObject **baseObject, const char* name);
+    static int indexOfSignalRelative(const QMetaObject **baseObject,
+                                     const char* name,
+                                     bool normalizeStringData);
+    static int indexOfSlot(const QMetaObject *m,
+                           const char *slot,
+                           bool normalizeStringData);
     static int originalClone(const QMetaObject *obj, int local_method_index);
 
 #ifndef QT_NO_QOBJECT
@@ -247,6 +253,7 @@ static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixSc
         } while (optional[++i].keyword != 0);
     }
 
+    bool star = false;
     while (t != e) {
         char c = *t++;
         if (fixScope && c == ':' && *t == ':' ) {
@@ -257,6 +264,7 @@ static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixSc
                 --i;
             result.resize(i + 1);
         }
+        star = star || c == '*';
         result += c;
         if (c == '<') {
             //template recursion
@@ -277,6 +285,23 @@ static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixSc
                 }
             }
         }
+
+        // cv qualifers can appear after the type as well
+        if (t != e && (e - t >= 5 && strncmp("const", t, 5) == 0)) {
+            t += 5;
+            while (t != e && is_space(*t))
+                ++t;
+            if (adjustConst && t != e && *t == '&') {
+                // treat const ref as value
+                ++t;
+            } else if (!star) {
+                // move const to the front (but not if const comes after a *)
+                result.prepend("const ");
+            } else {
+                // keep const after a *
+                result += "const";
+            }
+        }
     }
 
     return result;
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
index e304290c50..870baabd09 100644
--- a/src/corelib/kernel/qmetatype.cpp
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -361,7 +361,14 @@ void QMetaType::registerStreamOperators(const char *typeName, SaveOperator saveO
     int idx = type(typeName);
     if (!idx)
         return;
+    registerStreamOperators(idx, saveOp, loadOp);
+}
 
+/*! \internal
+*/
+void QMetaType::registerStreamOperators(int idx, SaveOperator saveOp,
+                                        LoadOperator loadOp)
+{
     QVector<QCustomTypeInfo> *ct = customTypes();
     if (!ct)
         return;
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
index c0dd288ee7..c23caed331 100644
--- a/src/corelib/kernel/qmetatype.h
+++ b/src/corelib/kernel/qmetatype.h
@@ -108,6 +108,8 @@ public:
     typedef void (*LoadOperator)(QDataStream &, void *);
     static void registerStreamOperators(const char *typeName, SaveOperator saveOp,
                                         LoadOperator loadOp);
+    static void registerStreamOperators(int type, SaveOperator saveOp,
+                                        LoadOperator loadOp);
 #endif
     static int registerType(const char *typeName, Destructor destructor,
                             Constructor constructor);
@@ -224,6 +226,24 @@ inline int qRegisterMetaType(
 #endif
 }
 
+#ifndef QT_NO_DATASTREAM
+template <typename T>
+inline int qRegisterMetaTypeStreamOperators()
+{
+    typedef void(*SavePtr)(QDataStream &, const T *);
+    typedef void(*LoadPtr)(QDataStream &, T *);
+    SavePtr sptr = qMetaTypeSaveHelper<T>;
+    LoadPtr lptr = qMetaTypeLoadHelper<T>;
+
+    register int id = qMetaTypeId<T>();
+    QMetaType::registerStreamOperators(id,
+                                       reinterpret_cast<QMetaType::SaveOperator>(sptr),
+                                       reinterpret_cast<QMetaType::LoadOperator>(lptr));
+
+    return id;
+}
+#endif
+
 #define Q_DECLARE_METATYPE(TYPE)                                        \
     QT_BEGIN_NAMESPACE                                                  \
     template <>                                                         \
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 5298fff166..761b31f07a 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -871,7 +871,7 @@ QObject::~QObject()
         // all the signal/slots connections are still in place - if we don't
         // quit now, we will crash pretty soon.
         qWarning("Detected an unexpected exception in ~QObject while emitting destroyed().");
-#if defined(Q_AUTOTEST_EXPORT) && !defined(QT_NO_EXCEPTIONS)
+#if defined(Q_BUILD_INTERNAL) && !defined(QT_NO_EXCEPTIONS)
         struct AutotestException : public std::exception
         {
             const char *what() const throw() { return "autotest swallow"; }
@@ -903,7 +903,8 @@ QObject::~QObject()
         // disconnect all receivers
         if (d->connectionLists) {
             ++d->connectionLists->inUse;
-            for (int signal = -1; signal < d->connectionLists->count(); ++signal) {
+            int connectionListsCount = d->connectionLists->count();
+            for (int signal = -1; signal < connectionListsCount; ++signal) {
                 QObjectPrivate::ConnectionList &connectionList =
                     (*d->connectionLists)[signal];
 
@@ -940,16 +941,17 @@ QObject::~QObject()
         // disconnect all senders
         QObjectPrivate::Connection *node = d->senders;
         while (node) {
-            QMutex *m = signalSlotLock(node->sender);
+            QObject *sender = node->sender;
+            QMutex *m = signalSlotLock(sender);
             node->prev = &node;
             bool needToUnlock = QOrderedMutexLocker::relock(locker.mutex(), m);
             //the node has maybe been removed while the mutex was unlocked in relock?
-            if (!node || signalSlotLock(node->sender) != m) {
+            if (!node || node->sender != sender) {
                 m->unlock();
                 continue;
             }
             node->receiver = 0;
-            QObjectConnectionListVector *senderLists = node->sender->d_func()->connectionLists;
+            QObjectConnectionListVector *senderLists = sender->d_func()->connectionLists;
             if (senderLists)
                 senderLists->dirty = true;
 
@@ -2510,20 +2512,25 @@ bool QObject::connect(const QObject *sender, const char *signal,
     const QMetaObject *smeta = sender->metaObject();
     const char *signal_arg = signal;
     ++signal; //skip code
-    int signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
+    int signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal, false);
     if (signal_index < 0) {
         // check for normalized signatures
         tmp_signal_name = QMetaObject::normalizedSignature(signal - 1);
         signal = tmp_signal_name.constData() + 1;
 
         smeta = sender->metaObject();
-        signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
+        signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal, false);
+    }
+    if (signal_index < 0) {
+        // re-use tmp_signal_name and signal from above
 
-        if (signal_index < 0) {
-            err_method_notfound(sender, signal_arg, "connect");
-            err_info_about_objects("connect", sender, receiver);
-            return false;
-        }
+        smeta = sender->metaObject();
+        signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal, true);
+    }
+    if (signal_index < 0) {
+        err_method_notfound(sender, signal_arg, "connect");
+        err_info_about_objects("connect", sender, receiver);
+        return false;
     }
     signal_index = QMetaObjectPrivate::originalClone(smeta, signal_index);
     int signalOffset, methodOffset;
@@ -2543,16 +2550,21 @@ bool QObject::connect(const QObject *sender, const char *signal,
     int method_index = -1;
     switch (membcode) {
     case QSLOT_CODE:
-        method_index = rmeta->indexOfSlot(method);
+        method_index = QMetaObjectPrivate::indexOfSlot(rmeta, method, false);
         break;
     case QSIGNAL_CODE:
-        method_index = rmeta->indexOfSignal(method);
+        method_index = QMetaObjectPrivate::indexOfSignalRelative(&rmeta, method, false);
+        if (method_index >= 0)
+            method_index += rmeta->methodOffset();
         break;
     }
     if (method_index < 0) {
         // check for normalized methods
         tmp_method_name = QMetaObject::normalizedSignature(method);
         method = tmp_method_name.constData();
+
+        // rmeta may have been modified above
+        rmeta = receiver->metaObject();
         switch (membcode) {
         case QSLOT_CODE:
             method_index = rmeta->indexOfSlot(method);
@@ -2740,7 +2752,9 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     do {
         int signal_index = -1;
         if (signal) {
-            signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal);
+            signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal, false);
+            if (signal_index < 0)
+                signal_index = QMetaObjectPrivate::indexOfSignalRelative(&smeta, signal, true);
             if (signal_index < 0)
                 break;
             signal_index = QMetaObjectPrivate::originalClone(smeta, signal_index);
@@ -3360,7 +3374,9 @@ int QObjectPrivate::signalIndex(const char *signalName) const
 {
     Q_Q(const QObject);
     const QMetaObject *base = q->metaObject();
-    int relative_index = QMetaObjectPrivate::indexOfSignalRelative(&base, signalName);
+    int relative_index = QMetaObjectPrivate::indexOfSignalRelative(&base, signalName, false);
+    if (relative_index < 0)
+        relative_index = QMetaObjectPrivate::indexOfSignalRelative(&base, signalName, true);
     if (relative_index < 0)
         return relative_index;
     relative_index = QMetaObjectPrivate::originalClone(base, relative_index);
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index 27ab10550f..cc5bf97007 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -189,8 +189,8 @@ public:
     QList<QObject *> pendingChildInsertedEvents;
 #else
     // preserve binary compatibility with code compiled without Qt 3 support
-    // ### why?
-    QList<QObject *> unused;
+    // keeping the binary layout stable helps the Qt Creator debugger
+    void *unused;
 #endif
 
     QList<QPointer<QObject> > eventFilters;
diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp
index f2c2384e3d..a2c575a7cf 100644
--- a/src/corelib/plugin/qlibrary.cpp
+++ b/src/corelib/plugin/qlibrary.cpp
@@ -630,6 +630,22 @@ bool QLibraryPrivate::isPlugin(QSettings *settings)
                      .arg((QT_VERSION & 0xff00) >> 8)
                      .arg(QLIBRARY_AS_DEBUG ? QLatin1String("debug") : QLatin1String("false"))
                      .arg(fileName);
+#ifdef Q_WS_MAC    
+    // On Mac, add the application arch to the reg key in order to
+    // cache plugin information separately for each arch. This prevents
+    // Qt from wrongly caching plugin load failures when the archs
+    // don't match.
+#if defined(__x86_64__)
+    regkey += QLatin1String("-x86_64");
+#elif defined(__i386__)
+    regkey += QLatin1String("-i386");
+#elif defined(__ppc64__)
+    regkey += QLatin1String("-ppc64");
+#elif defined(__ppc__)
+    regkey += QLatin1String("-ppc");
+#endif
+#endif // Q_WS_MAC
+    
     QStringList reg;
 #ifndef QT_NO_SETTINGS
     if (!settings) {
diff --git a/src/corelib/thread/qorderedmutexlocker_p.h b/src/corelib/thread/qorderedmutexlocker_p.h
index 7d52a294d3..702125c257 100644
--- a/src/corelib/thread/qorderedmutexlocker_p.h
+++ b/src/corelib/thread/qorderedmutexlocker_p.h
@@ -103,9 +103,11 @@ public:
             mtx2->lock();
             return true;
         }
-        mtx1->unlock();
-        mtx2->lock();
-        mtx1->lock();
+        if (!mtx2->tryLock()) {
+            mtx1->unlock();
+            mtx2->lock();
+            mtx1->lock();
+        }
         return true;
     }
 
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
index 556093ff8c..a27e488318 100644
--- a/src/corelib/tools/qbytearray.cpp
+++ b/src/corelib/tools/qbytearray.cpp
@@ -1061,6 +1061,11 @@ QByteArray &QByteArray::operator=(const char *str)
     \internal
 */
 
+/*! \fn bool QByteArray::isSharedWith(const QByteArray &other) const
+
+    \internal
+*/
+
 /*! \fn char QByteArray::at(int i) const
 
     Returns the character at index position \a i in the byte array.
diff --git a/src/corelib/tools/qbytearray.h b/src/corelib/tools/qbytearray.h
index ef977165a8..ec592f5f68 100644
--- a/src/corelib/tools/qbytearray.h
+++ b/src/corelib/tools/qbytearray.h
@@ -164,6 +164,7 @@ public:
     inline const char *constData() const;
     inline void detach();
     bool isDetached() const;
+    inline bool isSharedWith(const QByteArray &other) const { return d == other.d; }
     void clear();
 
 #ifdef Q_COMPILER_MANGLES_RETURN_TYPE
diff --git a/src/corelib/tools/qhash.cpp b/src/corelib/tools/qhash.cpp
index 6231471f24..285f4c94ed 100644
--- a/src/corelib/tools/qhash.cpp
+++ b/src/corelib/tools/qhash.cpp
@@ -847,6 +847,11 @@ void QHashData::checkSanity()
     \internal
 */
 
+/*! \fn bool QHash::isSharedWith(const QHash<Key, T> &other) const
+
+    \internal
+*/
+
 /*! \fn void QHash::clear()
 
     Removes all items from the hash.
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index 5e93523451..2832ca2eb2 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -299,6 +299,7 @@ public:
     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 isSharedWith(const QHash<Key, T> &other) const { return d == other.d; }
 
     void clear();
 
diff --git a/src/corelib/tools/qlinkedlist.cpp b/src/corelib/tools/qlinkedlist.cpp
index 5a53c323c1..909d940e6f 100644
--- a/src/corelib/tools/qlinkedlist.cpp
+++ b/src/corelib/tools/qlinkedlist.cpp
@@ -197,6 +197,11 @@ QLinkedListData QLinkedListData::shared_null = {
     \internal
 */
 
+/*! \fn bool QLinkedList::isSharedWith(const QLinkedList<T> &other) const
+
+    \internal
+*/
+
 /*! \fn bool QLinkedList::isEmpty() const
 
     Returns true if the list contains no items; otherwise returns
diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h
index f6de966e65..fe586a473c 100644
--- a/src/corelib/tools/qlinkedlist.h
+++ b/src/corelib/tools/qlinkedlist.h
@@ -93,6 +93,7 @@ public:
     { 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 isSharedWith(const QLinkedList<T> &other) const { return d == other.d; }
 
     inline bool isEmpty() const { return d->size == 0; }
 
diff --git a/src/corelib/tools/qlist.cpp b/src/corelib/tools/qlist.cpp
index c302857b20..ce620168ec 100644
--- a/src/corelib/tools/qlist.cpp
+++ b/src/corelib/tools/qlist.cpp
@@ -599,6 +599,11 @@ void **QListData::erase(void **xi)
     \internal
 */
 
+/*! \fn bool QList::isSharedWith(const QList<T> &other) const
+
+    \internal
+*/
+
 /*! \fn bool QList::isEmpty() const
 
     Returns true if the list contains no items; otherwise returns
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index 120442d0af..1d08c41d74 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -130,6 +130,7 @@ public:
 
     inline bool isDetached() const { return d->ref == 1; }
     inline void setSharable(bool sharable) { if (!sharable) detach(); d->sharable = sharable; }
+    inline bool isSharedWith(const QList<T> &other) const { return d == other.d; }
 
     inline bool isEmpty() const { return p.isEmpty(); }
 
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index 8d79cb3d68..ff10fa1295 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -4293,6 +4293,7 @@ bool QLocalePrivate::validateChars(const QString &str, NumberMode numMode, QByte
 
     const bool scientific = numMode == DoubleScientificMode;
     bool lastWasE = false;
+    bool lastWasDigit = false;
     int eCnt = 0;
     int decPointCnt = 0;
     bool dec = false;
@@ -4307,6 +4308,7 @@ bool QLocalePrivate::validateChars(const QString &str, NumberMode numMode, QByte
                 if (dec && decDigits != -1 && decDigits < ++decDigitCnt)
                     return false;
             }
+            lastWasDigit = true;
         } else {
             switch (c) {
                 case '.':
@@ -4344,7 +4346,10 @@ bool QLocalePrivate::validateChars(const QString &str, NumberMode numMode, QByte
                     break;
 
                 case ',':
-                    return false;
+                    //it can only be placed after a digit which is before the decimal point
+                    if (!lastWasDigit || decPointCnt > 0)
+                        return false;
+                    break;
 
                 case 'e':
                     if (scientific) {
@@ -4362,10 +4367,12 @@ bool QLocalePrivate::validateChars(const QString &str, NumberMode numMode, QByte
                     // If it's not a valid digit, it shall be Invalid.
                     return false;
             }
+            lastWasDigit = false;
         }
 
         lastWasE = c == 'e';
-        buff->append(c);
+        if (c != ',')
+            buff->append(c);
     }
 
     return true;
diff --git a/src/corelib/tools/qmap.cpp b/src/corelib/tools/qmap.cpp
index 82cbe78cd4..3143ee4081 100644
--- a/src/corelib/tools/qmap.cpp
+++ b/src/corelib/tools/qmap.cpp
@@ -473,6 +473,11 @@ void QMapData::dump()
     \internal
 */
 
+/*! \fn bool QMap::isSharedWith(const QMap<Key, T> &other) const
+
+    \internal
+*/
+
 /*! \fn void QMap::setInsertInOrder(bool sharable)
 
     \internal
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index e71064c66e..9ba9ca5782 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -182,6 +182,7 @@ public:
     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 isSharedWith(const QMap<Key, T> &other) const { return d == other.d; }
     inline void setInsertInOrder(bool ordered) { d->insertInOrder = ordered; }
 
     void clear();
diff --git a/src/corelib/tools/qpoint.cpp b/src/corelib/tools/qpoint.cpp
index d60087f7d7..9850ee786f 100644
--- a/src/corelib/tools/qpoint.cpp
+++ b/src/corelib/tools/qpoint.cpp
@@ -374,7 +374,7 @@ QDebug operator<<(QDebug dbg, const QPoint &p) {
 QDebug operator<<(QDebug d, const QPointF &p)
 {
     d.nospace() << "QPointF(" << p.x() << ", " << p.y() << ')';
-    return d;
+    return d.space();
 }
 #endif
 
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 3ef0e668ca..dec59b7c2a 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -55,6 +55,7 @@
 #include "qtools_p.h"
 #include "qhash.h"
 #include "qdebug.h"
+#include "qendian.h"
 
 #ifdef Q_OS_MAC
 #include <private/qcore_mac_p.h>
@@ -1091,7 +1092,12 @@ QString::QString(QChar ch)
     \internal
 */
 
-/*! \fn void QString::isDetached() const
+/*! \fn bool QString::isDetached() const
+
+    \internal
+*/
+
+/*! \fn bool QString::isSharedWith(const QString &other) const
 
     \internal
 */
@@ -7317,7 +7323,7 @@ QDataStream &operator>>(QDataStream &in, QString &str)
                     != (QSysInfo::ByteOrder == QSysInfo::BigEndian)) {
                 ushort *data = reinterpret_cast<ushort *>(str.data());
                 while (len--) {
-                    *data = (*data >> 8) | (*data << 8);
+                    *data = qbswap(*data);
                     ++data;
                 }
             }
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
index c1def0fa85..5e3b0fd6b9 100644
--- a/src/corelib/tools/qstring.h
+++ b/src/corelib/tools/qstring.h
@@ -122,6 +122,7 @@ public:
 
     inline void detach();
     inline bool isDetached() const;
+    inline bool isSharedWith(const QString &other) const { return d == other.d; }
     void clear();
 
     inline const QChar at(int i) const;
diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp
index 4b0f488d77..e9bdf57282 100644
--- a/src/corelib/tools/qstringlist.cpp
+++ b/src/corelib/tools/qstringlist.cpp
@@ -404,7 +404,17 @@ void QtPrivate::QStringList_replaceInStrings(QStringList *that, const QRegExp &r
 */
 QString QtPrivate::QStringList_join(const QStringList *that, const QString &sep)
 {
+    int totalLength = 0;
+    const int size = that->size();
+
+    for (int i = 0; i < size; ++i)
+        totalLength += that->at(i).size();
+
+    if(size > 0)
+        totalLength += sep.size() * (size - 1);
+
     QString res;
+    res.reserve(totalLength);
     for (int i = 0; i < that->size(); ++i) {
         if (i)
             res += sep;
diff --git a/src/corelib/tools/qvector.cpp b/src/corelib/tools/qvector.cpp
index 48b52d2e5a..3a13540766 100644
--- a/src/corelib/tools/qvector.cpp
+++ b/src/corelib/tools/qvector.cpp
@@ -392,6 +392,11 @@ int QVectorData::grow(int sizeofTypedData, int size, int sizeofT, bool excessive
     \internal
 */
 
+/*! \fn bool QVector::isSharedWith(const QVector<T> &other) const
+
+    \internal
+*/
+
 /*! \fn T *QVector::data()
 
     Returns a pointer to the data stored in the vector. The pointer
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 90b7442383..61b22fd217 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -134,6 +134,7 @@ public:
     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 isSharedWith(const QVector<T> &other) const { return d == other.d; }
 
     inline T *data() { detach(); return p->array; }
     inline const T *data() const { return p->array; }
diff --git a/src/corelib/xml/qxmlstream.cpp b/src/corelib/xml/qxmlstream.cpp
index 5717ca2e96..1bf00b8cd9 100644
--- a/src/corelib/xml/qxmlstream.cpp
+++ b/src/corelib/xml/qxmlstream.cpp
@@ -3003,8 +3003,7 @@ QXmlStreamWriterPrivate::QXmlStreamWriterPrivate(QXmlStreamWriter *q)
     deleteDevice = false;
 #ifndef QT_NO_TEXTCODEC
     codec = QTextCodec::codecForMib(106); // utf8
-    encoder = codec->makeEncoder();
-    encoder->state.flags |= QTextCodec::IgnoreHeader; // no byte order mark for utf8
+    encoder = codec->makeEncoder(QTextCodec::IgnoreHeader); // no byte order mark for utf8
 #endif
     inStartElement = inEmptyElement = false;
     wroteSomething = false;
@@ -3278,9 +3277,7 @@ void QXmlStreamWriter::setCodec(QTextCodec *codec)
     if (codec) {
         d->codec = codec;
         delete d->encoder;
-        d->encoder = codec->makeEncoder();
-        if (codec->mibEnum() == 106)
-            d->encoder->state.flags |= QTextCodec::IgnoreHeader; // no byte order mark for utf8
+        d->encoder = codec->makeEncoder(QTextCodec::IgnoreHeader); // no byte order mark for utf8
     }
 }
 
diff --git a/src/gui/dialogs/dialogs.pri b/src/gui/dialogs/dialogs.pri
index 63f64a2d0d..4e1b9a71d1 100644
--- a/src/gui/dialogs/dialogs.pri
+++ b/src/gui/dialogs/dialogs.pri
@@ -50,7 +50,8 @@ HEADERS += \
 }
 
 win32 {
-    HEADERS += dialogs/qwizard_win_p.h
+    HEADERS += dialogs/qwizard_win_p.h \
+               dialogs/qfiledialog_win_p.h
     SOURCES += dialogs/qdialogsbinarycompat_win.cpp \
                dialogs/qfiledialog_win.cpp \
                dialogs/qpagesetupdialog_win.cpp \
diff --git a/src/gui/dialogs/qdialog.cpp b/src/gui/dialogs/qdialog.cpp
index 9ff2ad821c..fb0dba4e61 100644
--- a/src/gui/dialogs/qdialog.cpp
+++ b/src/gui/dialogs/qdialog.cpp
@@ -648,13 +648,14 @@ void QDialog::contextMenuEvent(QContextMenuEvent *e)
     while (w && w->whatsThis().size() == 0 && !w->testAttribute(Qt::WA_CustomWhatsThis))
         w = w->isWindow() ? 0 : w->parentWidget();
     if (w) {
-        QMenu p(this);
-        QAction *wt = p.addAction(tr("What's This?"));
-        if (p.exec(e->globalPos()) == wt) {
+        QWeakPointer<QMenu> p = new QMenu(this);
+        QAction *wt = p.data()->addAction(tr("What's This?"));
+        if (p.data()->exec(e->globalPos()) == wt) {
             QHelpEvent e(QEvent::WhatsThis, w->rect().center(),
                          w->mapToGlobal(w->rect().center()));
             QApplication::sendEvent(w, &e);
         }
+        delete p.data();
     }
 #endif
 }
diff --git a/src/gui/dialogs/qfiledialog_win.cpp b/src/gui/dialogs/qfiledialog_win.cpp
index 5a7ace99fe..3120938e43 100644
--- a/src/gui/dialogs/qfiledialog_win.cpp
+++ b/src/gui/dialogs/qfiledialog_win.cpp
@@ -53,53 +53,27 @@
 #include <qdir.h>
 #include <qstringlist.h>
 #include <qlibrary.h>
+#include "qfiledialog_win_p.h"
 
 #ifndef QT_NO_THREAD
 #  include <private/qmutexpool_p.h>
 #endif
 
-#include <shlobj.h>
-//At some point we can hope that mingw will support that interface
-#if !defined(Q_WS_WINCE) && !defined(Q_CC_MINGW)
-#include <shobjidl.h>
-#endif
-
-#include <objbase.h>
-
-#if defined(__IFileDialog_INTERFACE_DEFINED__) \
-	&& defined(__IFileOpenDialog_INTERFACE_DEFINED__)
-#define USE_COMMON_ITEM_DIALOG
-#endif
-
 #ifdef Q_WS_WINCE
+#include <shlobj.h>
 #include <commdlg.h>
-#  ifndef BFFM_SETSELECTION
-#    define BFFM_SETSELECTION (WM_USER + 102)
-#  endif
-// Windows Mobile has a broken definition for BROWSEINFO
-// Only compile fix
-typedef struct qt_priv_browseinfo {
-    HWND          hwndOwner;
-    LPCITEMIDLIST pidlRoot;
-    LPWSTR        pszDisplayName;
-    LPCWSTR       lpszTitle;
-    UINT          ulFlags;
-    BFFCALLBACK   lpfn;
-    LPARAM        lParam;
-    int           iImage;
-} qt_BROWSEINFO;
 bool qt_priv_ptr_valid = false;
+#else
+//we have to declare them here because they're not present for all SDK/compilers
+static const IID   QT_IID_IFileOpenDialog  = {0xd57c7288, 0xd4ad, 0x4768, {0xbe, 0x02, 0x9d, 0x96, 0x95, 0x32, 0xd9, 0x60} };
+static const IID   QT_IID_IShellItem       = {0x43826d1e, 0xe718, 0x42ee, {0xbc, 0x55, 0xa1, 0xe2, 0x61, 0xc3, 0x7b, 0xfe} };
+static const CLSID QT_CLSID_FileOpenDialog = {0xdc1c5a9c, 0xe88a, 0x4dde, {0xa5, 0xa1, 0x60, 0xf8, 0x2a, 0x20, 0xae, 0xf7} };
 #endif
 
 
-// Don't remove the lines below!
-//
-// resolving the W methods manually is needed, because Windows 95 doesn't include
-// these methods in Shell32.lib (not even stubs!), so you'd get an unresolved symbol
-// when Qt calls getExistingDirectory(), etc.
-typedef LPITEMIDLIST (WINAPI *PtrSHBrowseForFolder)(BROWSEINFO*);
+typedef qt_LPITEMIDLIST (WINAPI *PtrSHBrowseForFolder)(qt_BROWSEINFO*);
 static PtrSHBrowseForFolder ptrSHBrowseForFolder = 0;
-typedef BOOL (WINAPI *PtrSHGetPathFromIDList)(LPITEMIDLIST,LPWSTR);
+typedef BOOL (WINAPI *PtrSHGetPathFromIDList)(qt_LPITEMIDLIST, LPWSTR);
 static PtrSHGetPathFromIDList ptrSHGetPathFromIDList = 0;
 typedef HRESULT (WINAPI *PtrSHGetMalloc)(LPMALLOC *);
 static PtrSHGetMalloc ptrSHGetMalloc = 0;
@@ -132,7 +106,7 @@ static void qt_win_resolve_libs()
         ptrSHGetMalloc = (PtrSHGetMalloc) lib.resolve("SHGetMalloc");
 #else
         // CE stores them in a different lib and does not use unicode version
-        HINSTANCE handle = LoadLibraryW(L"Ceshell");
+        HINSTANCE handle = LoadLibrary(L"Ceshell");
         ptrSHBrowseForFolder = (PtrSHBrowseForFolder)GetProcAddress(handle, L"SHBrowseForFolder");
         ptrSHGetPathFromIDList = (PtrSHGetPathFromIDList)GetProcAddress(handle, L"SHGetPathFromIDList");
         ptrSHGetMalloc = (PtrSHGetMalloc)GetProcAddress(handle, L"SHGetMalloc");
@@ -421,7 +395,7 @@ QString qt_win_get_save_file_name(const QFileDialogArgs &args,
 }
 
 
-#if defined(USE_COMMON_ITEM_DIALOG)
+#ifndef Q_WS_WINCE
 
 typedef HRESULT (WINAPI *PtrSHCreateItemFromParsingName)(PCWSTR pszPath, IBindCtx *pbc, REFIID riid, void **ppv);
 static PtrSHCreateItemFromParsingName pSHCreateItemFromParsingName = 0;
@@ -469,7 +443,7 @@ static bool qt_win_set_IFileDialogOptions(IFileDialog *pfd,
     // Add the filters to the file dialog.
     if (numFilters) {
         wchar_t *szData = (wchar_t*)winfilters.utf16();
-        COMDLG_FILTERSPEC *filterSpec = new COMDLG_FILTERSPEC[numFilters];
+        qt_COMDLG_FILTERSPEC *filterSpec = new qt_COMDLG_FILTERSPEC[numFilters];
         for(int i = 0; i<numFilters; i++) {
             filterSpec[i].pszName = szData+offsets[i*2];
             filterSpec[i].pszSpec = szData+offsets[(i*2)+1];
@@ -481,9 +455,8 @@ static bool qt_win_set_IFileDialogOptions(IFileDialog *pfd,
     tInitDir = QDir::toNativeSeparators(initialDirectory);
     if (!tInitDir.isEmpty()) {
         IShellItem *psiDefaultFolder;
-        hr = pSHCreateItemFromParsingName((wchar_t*)tInitDir.utf16(),
-                                      NULL,
-                                      IID_PPV_ARGS(&psiDefaultFolder));
+        hr = pSHCreateItemFromParsingName((wchar_t*)tInitDir.utf16(), NULL, QT_IID_IShellItem, 
+            reinterpret_cast<void**>(&psiDefaultFolder));
 
         if (SUCCEEDED(hr)) {
             hr = pfd->SetFolder(psiDefaultFolder);
@@ -522,7 +495,7 @@ static bool qt_win_set_IFileDialogOptions(IFileDialog *pfd,
     return SUCCEEDED(hr);
 }
 
-QStringList qt_win_CID_get_open_file_names(const QFileDialogArgs &args,
+static QStringList qt_win_CID_get_open_file_names(const QFileDialogArgs &args,
                                        QString *initialDirectory,
                                        const QStringList &filterList,
                                        QString *selectedFilter,
@@ -535,10 +508,8 @@ QStringList qt_win_CID_get_open_file_names(const QFileDialogArgs &args,
     QApplicationPrivate::enterModal(&modal_widget);
     // Multiple selection is allowed only in IFileOpenDialog.
     IFileOpenDialog *pfd = 0;
-    HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog,
-                                  NULL,
-                                  CLSCTX_INPROC_SERVER,
-                                  IID_PPV_ARGS(&pfd));
+    HRESULT hr = CoCreateInstance(QT_CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, QT_IID_IFileOpenDialog, 
+        reinterpret_cast<void**>(&pfd));
 
     if (SUCCEEDED(hr)) {
         qt_win_set_IFileDialogOptions(pfd, args.selection,
@@ -643,7 +614,7 @@ QStringList qt_win_get_open_file_names(const QFileDialogArgs &args,
     // multiple files belonging to different folders from these search results, the
     // GetOpenFileName() will return only one folder name for all the files. To retrieve
     // the correct path for all selected files, we have to use Common Item Dialog interfaces.
-#if defined(USE_COMMON_ITEM_DIALOG)
+#ifndef Q_WS_WINCE
     if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
         return qt_win_CID_get_open_file_names(args, initialDirectory, filterLst, selectedFilter, idx);
 #endif
@@ -716,7 +687,7 @@ static int __stdcall winGetExistDirCallbackProc(HWND hwnd,
         qt_win_resolve_libs();
         if (ptrSHGetPathFromIDList) {
             wchar_t path[MAX_PATH];
-            ptrSHGetPathFromIDList(LPITEMIDLIST(lParam), path);
+            ptrSHGetPathFromIDList(qt_LPITEMIDLIST(lParam), path);
             QString tmpStr = QString::fromWCharArray(path);
             if (!tmpStr.isEmpty())
                 SendMessage(hwnd, BFFM_ENABLEOK, 1, 1);
@@ -728,11 +699,6 @@ static int __stdcall winGetExistDirCallbackProc(HWND hwnd,
     return 0;
 }
 
-#ifndef BIF_NEWDIALOGSTYLE
-#define BIF_NEWDIALOGSTYLE     0x0040   // Use the new dialog layout with the ability to resize
-#endif
-
-
 QString qt_win_get_existing_directory(const QFileDialogArgs &args)
 {
     QString currentDir = QDir::currentPath();
@@ -757,11 +723,7 @@ QString qt_win_get_existing_directory(const QFileDialogArgs &args)
     path[0] = 0;
     tTitle = args.caption;
 
-#if !defined(Q_WS_WINCE)
-    BROWSEINFO bi;
-#else
     qt_BROWSEINFO bi;
-#endif
 
     Q_ASSERT(!parent ||parent->testAttribute(Qt::WA_WState_Created));
     bi.hwndOwner = (parent ? parent->winId() : 0);
@@ -775,7 +737,7 @@ QString qt_win_get_existing_directory(const QFileDialogArgs &args)
 
     qt_win_resolve_libs();
     if (ptrSHBrowseForFolder) {
-        LPITEMIDLIST pItemIDList = ptrSHBrowseForFolder((BROWSEINFO*)&bi);
+        qt_LPITEMIDLIST pItemIDList = ptrSHBrowseForFolder(&bi);
         if (pItemIDList) {
             ptrSHGetPathFromIDList(pItemIDList, path);
             IMalloc *pMalloc;
diff --git a/src/gui/dialogs/qfiledialog_win_p.h b/src/gui/dialogs/qfiledialog_win_p.h
new file mode 100644
index 0000000000..527ab3fc59
--- /dev/null
+++ b/src/gui/dialogs/qfiledialog_win_p.h
@@ -0,0 +1,243 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <objbase.h>
+#ifndef QFILEDIAG_WIN_P_H
+#define QFILEDIAG_WIN_P_H
+
+//these are the interface declarations needed for the file dialog on Vista and up
+
+//At some point we can hope that all compilers/sdk will support that interface
+//and we won't have to declare it ourselves
+
+//declarations
+#define FOS_OVERWRITEPROMPT	   0x2
+#define FOS_STRICTFILETYPES	   0x4
+#define FOS_NOCHANGEDIR	       0x8
+#define FOS_PICKFOLDERS	       0x20
+#define FOS_FORCEFILESYSTEM	   0x40
+#define FOS_ALLNONSTORAGEITEMS 0x80
+#define FOS_NOVALIDATE         0x100
+#define FOS_ALLOWMULTISELECT   0x200
+#define FOS_PATHMUSTEXIST      0x800
+#define FOS_FILEMUSTEXIST      0x1000
+#define FOS_CREATEPROMPT       0x2000
+#define FOS_SHAREAWARE         0x4000
+#define FOS_NOREADONLYRETURN   0x8000
+#define FOS_NOTESTFILECREATE   0x10000
+#define FOS_HIDEMRUPLACES      0x20000
+#define FOS_HIDEPINNEDPLACES   0x40000
+#define FOS_NODEREFERENCELINKS 0x100000
+#define FOS_DONTADDTORECENT    0x2000000
+#define FOS_FORCESHOWHIDDEN    0x10000000
+#define FOS_DEFAULTNOMINIMODE  0x20000000
+#define FOS_FORCEPREVIEWPANEON 0x40000000
+
+typedef int GETPROPERTYSTOREFLAGS;
+#define GPS_DEFAULT               0x00000000
+#define GPS_HANDLERPROPERTIESONLY 0x00000001
+#define GPS_READWRITE             0x00000002
+#define GPS_TEMPORARY             0x00000004
+#define GPS_FASTPROPERTIESONLY    0x00000008
+#define GPS_OPENSLOWITEM          0x00000010
+#define GPS_DELAYCREATION         0x00000020
+#define GPS_BESTEFFORT            0x00000040
+#define GPS_MASK_VALID            0x0000007F
+
+typedef int (CALLBACK* BFFCALLBACK)(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData);
+// message from browser
+#define BFFM_INITIALIZED        1
+#define BFFM_SELCHANGED         2
+#define BFFM_ENABLEOK           (WM_USER + 101)
+#define BFFM_SETSELECTION       (WM_USER + 103)
+#define BFFM_SETSTATUSTEXT      (WM_USER + 104)
+
+// Browsing for directory.
+#define BIF_RETURNONLYFSDIRS   0x0001
+#define BIF_DONTGOBELOWDOMAIN  0x0002
+#define BIF_STATUSTEXT         0x0004
+#define BIF_RETURNFSANCESTORS  0x0008
+#define BIF_EDITBOX            0x0010
+#define BIF_VALIDATE           0x0020
+#define BIF_NEWDIALOGSTYLE     0x0040
+#define BIF_BROWSEINCLUDEURLS  0x0080
+#define BIF_UAHINT             0x0100
+#define BIF_NONEWFOLDERBUTTON  0x0200
+#define BIF_NOTRANSLATETARGETS 0x0400
+#define BIF_BROWSEFORCOMPUTER  0x1000
+#define BIF_BROWSEFORPRINTER   0x2000
+#define BIF_BROWSEINCLUDEFILES 0x4000
+#define BIF_SHAREABLE          0x8000
+
+//the enums
+typedef enum {
+    SIATTRIBFLAGS_AND	= 0x1,
+    SIATTRIBFLAGS_OR	= 0x2,
+    SIATTRIBFLAGS_APPCOMPAT	= 0x3,
+    SIATTRIBFLAGS_MASK	= 0x3
+} 	SIATTRIBFLAGS;
+typedef enum {
+    SIGDN_NORMALDISPLAY = 0x00000000,
+    SIGDN_PARENTRELATIVEPARSING = 0x80018001,
+    SIGDN_PARENTRELATIVEFORADDRESSBAR = 0x8001c001,
+    SIGDN_DESKTOPABSOLUTEPARSING = 0x80028000,
+    SIGDN_PARENTRELATIVEEDITING = 0x80031001,
+    SIGDN_DESKTOPABSOLUTEEDITING = 0x8004c000,
+    SIGDN_FILESYSPATH = 0x80058000,
+    SIGDN_URL = 0x80068000
+} SIGDN;
+typedef enum {
+    FDAP_BOTTOM = 0x00000000,
+    FDAP_TOP = 0x00000001
+} FDAP;
+typedef enum {
+    FDESVR_DEFAULT = 0x00000000,
+    FDESVR_ACCEPT = 0x00000001,
+    FDESVR_REFUSE = 0x00000002
+} FDE_SHAREVIOLATION_RESPONSE;
+typedef FDE_SHAREVIOLATION_RESPONSE FDE_OVERWRITE_RESPONSE;
+
+//the structs
+typedef struct {
+    LPCWSTR pszName;
+    LPCWSTR pszSpec;
+} qt_COMDLG_FILTERSPEC;
+typedef struct {
+    GUID fmtid;
+    DWORD pid;
+} qt_PROPERTYKEY;
+
+typedef struct {
+	USHORT	cb;
+	BYTE	abID[1];
+} qt_SHITEMID, *qt_LPSHITEMID;
+typedef struct {
+	qt_SHITEMID mkid;
+} qt_ITEMIDLIST, *qt_LPITEMIDLIST;
+typedef const qt_ITEMIDLIST *qt_LPCITEMIDLIST;
+typedef struct {
+    HWND          hwndOwner;
+    qt_LPCITEMIDLIST pidlRoot;
+    LPWSTR        pszDisplayName;
+    LPCWSTR       lpszTitle;
+    UINT          ulFlags;
+    BFFCALLBACK   lpfn;
+    LPARAM        lParam;
+    int           iImage;
+} qt_BROWSEINFO;
+
+DECLARE_INTERFACE(IFileDialogEvents);
+DECLARE_INTERFACE_(IShellItem, IUnknown)
+{
+    STDMETHOD(BindToHandler)(THIS_ IBindCtx *pbc, REFGUID bhid, REFIID riid, void **ppv) PURE;
+    STDMETHOD(GetParent)(THIS_ IShellItem **ppsi) PURE;
+    STDMETHOD(GetDisplayName)(THIS_ SIGDN sigdnName, LPWSTR *ppszName) PURE;
+    STDMETHOD(GetAttributes)(THIS_ ULONG sfgaoMask, ULONG *psfgaoAttribs) PURE;
+    STDMETHOD(Compare)(THIS_ IShellItem *psi, DWORD hint, int *piOrder) PURE;
+};
+DECLARE_INTERFACE_(IShellItemFilter, IUnknown)
+{
+    STDMETHOD(IncludeItem)(THIS_ IShellItem *psi) PURE;
+    STDMETHOD(GetEnumFlagsForItem)(THIS_ IShellItem *psi, DWORD *pgrfFlags) PURE;
+};
+DECLARE_INTERFACE_(IEnumShellItems, IUnknown)
+{
+    STDMETHOD(Next)(THIS_ ULONG celt, IShellItem **rgelt, ULONG *pceltFetched) PURE;
+    STDMETHOD(Skip)(THIS_ ULONG celt) PURE;
+    STDMETHOD(Reset)(THIS_) PURE;
+    STDMETHOD(Clone)(THIS_ IEnumShellItems **ppenum) PURE;
+};
+DECLARE_INTERFACE_(IShellItemArray, IUnknown)
+{
+    STDMETHOD(BindToHandler)(THIS_ IBindCtx *pbc, REFGUID rbhid, REFIID riid, void **ppvOut) PURE;
+    STDMETHOD(GetPropertyStore)(THIS_ GETPROPERTYSTOREFLAGS flags, REFIID riid, void **ppv) PURE;
+    STDMETHOD(GetPropertyDescriptionList)(THIS_ const qt_PROPERTYKEY *keyType, REFIID riid, void **ppv) PURE;
+    STDMETHOD(GetAttributes)(THIS_ SIATTRIBFLAGS dwAttribFlags, ULONG sfgaoMask, ULONG *psfgaoAttribs) PURE;
+    STDMETHOD(GetCount)(THIS_ DWORD *pdwNumItems) PURE;
+    STDMETHOD(GetItemAt)(THIS_ DWORD dwIndex, IShellItem **ppsi) PURE;
+    STDMETHOD(EnumItems)(THIS_ IEnumShellItems **ppenumShellItems) PURE;
+};
+DECLARE_INTERFACE_(IModalWindow, IUnknown)
+{
+    STDMETHOD(Show)(THIS_ HWND hwndParent) PURE;
+};
+DECLARE_INTERFACE_(IFileDialog, IModalWindow)
+{
+    STDMETHOD(SetFileTypes)(THIS_ UINT cFileTypes, const qt_COMDLG_FILTERSPEC *rgFilterSpec) PURE;
+    STDMETHOD(SetFileTypeIndex)(THIS_ UINT iFileType) PURE;
+    STDMETHOD(GetFileTypeIndex)(THIS_ UINT *piFileType) PURE;
+    STDMETHOD(Advise)(THIS_ IFileDialogEvents *pfde, DWORD *pdwCookie) PURE;
+    STDMETHOD(Unadvise)(THIS_ DWORD dwCookie) PURE;
+    STDMETHOD(SetOptions)(THIS_ DWORD fos) PURE;
+    STDMETHOD(GetOptions)(THIS_ DWORD *pfos) PURE;
+    STDMETHOD(SetDefaultFolder)(THIS_ IShellItem *psi) PURE;
+    STDMETHOD(SetFolder)(THIS_ IShellItem *psi) PURE;
+    STDMETHOD(GetFolder)(THIS_ IShellItem **ppsi) PURE;
+    STDMETHOD(GetCurrentSelection)(THIS_ IShellItem **ppsi) PURE;
+    STDMETHOD(SetFileName)(THIS_ LPCWSTR pszName) PURE;
+    STDMETHOD(GetFileName)(THIS_ LPWSTR *pszName) PURE;
+    STDMETHOD(SetTitle)(THIS_ LPCWSTR pszTitle) PURE;
+    STDMETHOD(SetOkButtonLabel)(THIS_ LPCWSTR pszText) PURE;
+    STDMETHOD(SetFileNameLabel)(THIS_ LPCWSTR pszLabel) PURE;
+    STDMETHOD(GetResult)(THIS_ IShellItem **ppsi) PURE;
+    STDMETHOD(AddPlace)(THIS_ IShellItem *psi, FDAP fdap) PURE;
+    STDMETHOD(SetDefaultExtension)(THIS_ LPCWSTR pszDefaultExtension) PURE;
+    STDMETHOD(Close)(THIS_ HRESULT hr) PURE;
+    STDMETHOD(SetClientGuid)(THIS_ REFGUID guid) PURE;
+    STDMETHOD(ClearClientData)(THIS_) PURE;
+    STDMETHOD(SetFilter)(THIS_ IShellItemFilter *pFilter) PURE;
+};
+DECLARE_INTERFACE_(IFileDialogEvents, IUnknown)
+{
+    STDMETHOD(OnFileOk)(THIS_ IFileDialog *pfd) PURE;
+    STDMETHOD(OnFolderChanging)(THIS_ IFileDialog *pfd, IShellItem *psiFolder) PURE;
+    STDMETHOD(OnFolderChange)(THIS_ IFileDialog *pfd) PURE;
+    STDMETHOD(OnSelectionChange)(THIS_ IFileDialog *pfd) PURE;
+    STDMETHOD(OnShareViolation)(THIS_ IFileDialog *pfd, IShellItem *psi, FDE_SHAREVIOLATION_RESPONSE *pResponse) PURE;
+    STDMETHOD(OnTypeChange)(THIS_ IFileDialog *pfd) PURE;
+    STDMETHOD(OnOverwrite)(THIS_ IFileDialog *pfd, IShellItem *psi, FDE_OVERWRITE_RESPONSE *pResponse) PURE;
+};
+DECLARE_INTERFACE_(IFileOpenDialog, IFileDialog)
+{
+    STDMETHOD(GetResults)(THIS_ IShellItemArray **ppenum) PURE;
+    STDMETHOD(GetSelectedItems)(THIS_ IShellItemArray **ppsai) PURE;
+};
+#endif
\ No newline at end of file
diff --git a/src/gui/dialogs/qfileinfogatherer.cpp b/src/gui/dialogs/qfileinfogatherer.cpp
index 1f619578bb..c75cdfd2b7 100644
--- a/src/gui/dialogs/qfileinfogatherer.cpp
+++ b/src/gui/dialogs/qfileinfogatherer.cpp
@@ -354,6 +354,7 @@ void QFileInfoGatherer::getFileInfos(const QString &path, const QStringList &fil
     }
     if (!updatedFiles.isEmpty())
         emit updates(path, updatedFiles);
+    emit directoryLoaded(path);
 }
 
 void QFileInfoGatherer::fetch(const QFileInfo &fileInfo, QTime &base, bool &firstTime, QList<QPair<QString, QFileInfo> > &updatedFiles, const QString &path) {
diff --git a/src/gui/dialogs/qfileinfogatherer_p.h b/src/gui/dialogs/qfileinfogatherer_p.h
index 0242178292..b8b58a2c75 100644
--- a/src/gui/dialogs/qfileinfogatherer_p.h
+++ b/src/gui/dialogs/qfileinfogatherer_p.h
@@ -155,6 +155,7 @@ Q_SIGNALS:
     void updates(const QString &directory, const QList<QPair<QString, QFileInfo> > &updates);
     void newListOfFiles(const QString &directory, const QStringList &listOfFiles) const;
     void nameResolved(const QString &fileName, const QString &resolvedName) const;
+    void directoryLoaded(const QString &path);
 
 public:
     QFileInfoGatherer(QObject *parent = 0);
diff --git a/src/gui/dialogs/qfilesystemmodel.cpp b/src/gui/dialogs/qfilesystemmodel.cpp
index 6fd947ce3b..ba0a560725 100644
--- a/src/gui/dialogs/qfilesystemmodel.cpp
+++ b/src/gui/dialogs/qfilesystemmodel.cpp
@@ -51,6 +51,9 @@
 #ifdef Q_OS_WIN
 #include <qt_windows.h>
 #endif
+#ifdef Q_OS_WIN32
+#include <QtCore/QVarLengthArray>
+#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -150,6 +153,14 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
+    \since 4.7
+    \fn void QFileSystemModel::directoryLoaded(const QString &path)
+
+    This signal is emitted when the gatherer thread has finished to load the \a path.
+
+*/
+
+/*!
     \fn bool QFileSystemModel::remove(const QModelIndex &index) const
 
     Removes the model item \a index from the file system model and \bold{deletes the
@@ -270,53 +281,38 @@ QFileSystemModelPrivate::QFileSystemNode *QFileSystemModelPrivate::node(const QM
     return indexNode;
 }
 
-#ifdef Q_OS_WIN
+#ifdef Q_OS_WIN32
 static QString qt_GetLongPathName(const QString &strShortPath)
 {
-    QString longPath;
-    int i = 0;
-    if (strShortPath == QLatin1String(".")
-        || (strShortPath.startsWith(QLatin1String("//")))
-        || (strShortPath.startsWith(QLatin1String("\\\\")))) // unc
+    if (strShortPath.isEmpty()
+        || strShortPath == QLatin1String(".") || strShortPath == QLatin1String(".."))
         return strShortPath;
-    QString::const_iterator it = strShortPath.constBegin();
-    QString::const_iterator constEnd = strShortPath.constEnd();
-    do {
-        bool isSep = (*it == QLatin1Char('\\') || *it == QLatin1Char('/'));
-        if (isSep || it == constEnd) {
-            QString section = (it == constEnd ? strShortPath : strShortPath.left(i));
-            // FindFirstFile does not handle volumes ("C:"), so we have to catch that ourselves.
-            if (section.endsWith(QLatin1Char(':'))) {
-                longPath.append(section.toUpper());
-            } else {
-                HANDLE h;
-#ifndef Q_OS_WINCE
-                //We add the extend length prefix to handle long path
-                QString longSection = QLatin1String("\\\\?\\")+QDir::toNativeSeparators(section);
-#else
-                QString longSection = QDir::toNativeSeparators(section);
-#endif
-                WIN32_FIND_DATA findData;
-                h = ::FindFirstFile((wchar_t*)longSection.utf16(), &findData);
-                if (h != INVALID_HANDLE_VALUE) {
-                    longPath.append(QString::fromWCharArray(findData.cFileName));
-                    ::FindClose(h);
-                } else {
-                    longPath.append(section);
-                    break;
-                }
-            }
-            if (it != constEnd)
-                longPath.append(*it);
-            else
-                break;
-        }
-        ++it;
-        if (isSep && it == constEnd)    // break out if the last character is a separator
-            break;
-        ++i;
-    } while (true);
-    return longPath;
+    if (strShortPath.length() == 2 && strShortPath.endsWith(QLatin1Char(':')))
+        return strShortPath.toUpper();
+    const QString absPath = QDir(strShortPath).absolutePath();
+    if (absPath.startsWith(QLatin1String("//"))
+        || absPath.startsWith(QLatin1String("\\\\"))) // unc
+        return QDir::fromNativeSeparators(absPath);
+    if (absPath.startsWith(QLatin1Char('/')))
+        return QString();
+    const QString inputString = QLatin1String("\\\\?\\") + QDir::toNativeSeparators(absPath);
+    QVarLengthArray<TCHAR, MAX_PATH> buffer(MAX_PATH);
+    DWORD result = ::GetLongPathName((wchar_t*)inputString.utf16(),
+                                     buffer.data(),
+                                     buffer.size());
+    if (result > DWORD(buffer.size())) {
+        buffer.resize(result);
+        result = ::GetLongPathName((wchar_t*)inputString.utf16(),
+                                   buffer.data(),
+                                   buffer.size());
+    }
+    if (result > 4) {
+        QString longPath = QString::fromWCharArray(buffer.data() + 4); // ignoring prefix
+        longPath[0] = longPath.at(0).toUpper(); // capital drive letters
+        return QDir::fromNativeSeparators(longPath);
+    } else {
+        return QDir::fromNativeSeparators(strShortPath);
+    }
 }
 #endif
 
@@ -334,7 +330,7 @@ QFileSystemModelPrivate::QFileSystemNode *QFileSystemModelPrivate::node(const QS
 
     // Construct the nodes up to the new root path if they need to be built
     QString absolutePath;
-#ifdef Q_OS_WIN
+#ifdef Q_OS_WIN32
     QString longPath = qt_GetLongPathName(path);
 #else
     QString longPath = path;
@@ -673,7 +669,7 @@ QVariant QFileSystemModel::data(const QModelIndex &index, int role) const
     case Qt::EditRole:
     case Qt::DisplayRole:
         switch (index.column()) {
-        case 0: return d->name(index);
+        case 0: return d->displayName(index);
         case 1: return d->size(index);
         case 2: return d->type(index);
         case 3: return d->time(index);
@@ -789,13 +785,25 @@ QString QFileSystemModelPrivate::name(const QModelIndex &index) const
         if (resolvedSymLinks.contains(fullPath))
             return resolvedSymLinks[fullPath];
     }
-    // ### TODO it would be nice to grab the volume name if dirNode->parent == root
     return dirNode->fileName;
 }
 
 /*!
     \internal
 */
+QString QFileSystemModelPrivate::displayName(const QModelIndex &index) const
+{
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+    QFileSystemNode *dirNode = node(index);
+    if (!dirNode->volumeName.isNull())
+        return dirNode->volumeName + QLatin1String(" (") + name(index) + QLatin1Char(')');
+#endif
+    return name(index);
+}
+
+/*!
+    \internal
+*/
 QIcon QFileSystemModelPrivate::icon(const QModelIndex &index) const
 {
     if (!index.isValid())
@@ -1337,7 +1345,11 @@ QModelIndex QFileSystemModel::setRootPath(const QString &newPath)
 {
     Q_D(QFileSystemModel);
 #ifdef Q_OS_WIN
-    QString longNewPath = QDir::fromNativeSeparators(qt_GetLongPathName(newPath));
+#ifdef Q_OS_WIN32
+    QString longNewPath = qt_GetLongPathName(newPath);
+#else
+    QString longNewPath = QDir::fromNativeSeparators(newPath);
+#endif
 #else
     QString longNewPath = newPath;
 #endif
@@ -1640,6 +1652,18 @@ QFileSystemModelPrivate::QFileSystemNode* QFileSystemModelPrivate::addNode(QFile
 #ifndef QT_NO_FILESYSTEMWATCHER
     node->populate(info);
 #endif
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+    //The parentNode is "" so we are listing the drives
+    if (parentNode->fileName.isEmpty()) {
+        wchar_t name[MAX_PATH + 1];
+        //GetVolumeInformation requires to add trailing backslash
+        const QString nodeName = fileName + QLatin1String("\\");
+        BOOL success = ::GetVolumeInformation((wchar_t *)(nodeName.utf16()),
+                name, MAX_PATH + 1, NULL, 0, NULL, NULL, 0);
+        if (success && name[0])
+            node->volumeName = QString::fromWCharArray(name);
+    }
+#endif
     parentNode->children.insert(fileName, node);
     return node;
 }
@@ -1869,6 +1893,8 @@ void QFileSystemModelPrivate::init()
             q, SLOT(_q_fileSystemChanged(QString,QList<QPair<QString,QFileInfo> >)));
     q->connect(&fileInfoGatherer, SIGNAL(nameResolved(QString,QString)),
             q, SLOT(_q_resolvedName(QString,QString)));
+    q->connect(&fileInfoGatherer, SIGNAL(directoryLoaded(QString)),
+               q, SIGNAL(directoryLoaded(QString)));
     q->connect(&delayedSortTimer, SIGNAL(timeout()), q, SLOT(_q_performDelayedSort()), Qt::QueuedConnection);
 }
 
diff --git a/src/gui/dialogs/qfilesystemmodel.h b/src/gui/dialogs/qfilesystemmodel.h
index 4dcfe26835..d8178c70b0 100644
--- a/src/gui/dialogs/qfilesystemmodel.h
+++ b/src/gui/dialogs/qfilesystemmodel.h
@@ -70,6 +70,7 @@ class Q_GUI_EXPORT QFileSystemModel : public QAbstractItemModel
 Q_SIGNALS:
     void rootPathChanged(const QString &newPath);
     void fileRenamed(const QString &path, const QString &oldName, const QString &newName);
+    void directoryLoaded(const QString &path);
 
 public:
     enum Roles {
diff --git a/src/gui/dialogs/qfilesystemmodel_p.h b/src/gui/dialogs/qfilesystemmodel_p.h
index 6c85a7c348..03e0bfb8bd 100644
--- a/src/gui/dialogs/qfilesystemmodel_p.h
+++ b/src/gui/dialogs/qfilesystemmodel_p.h
@@ -97,6 +97,9 @@ public:
         }
 
         QString fileName;
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+        QString volumeName;
+#endif
 
         inline qint64 size() const { if (info && !info->isDir()) return info->size(); return 0; }
         inline QString type() const { if (info) return info->displayType; return QLatin1String(""); }
@@ -278,6 +281,7 @@ public:
 
     QIcon icon(const QModelIndex &index) const;
     QString name(const QModelIndex &index) const;
+    QString displayName(const QModelIndex &index) const;
     QString filePath(const QModelIndex &index) const;
     QString size(const QModelIndex &index) const;
     static QString size(qint64 bytes);
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index d1b2e3f6a0..ed437ff162 100644
--- a/src/gui/dialogs/qmessagebox.cpp
+++ b/src/gui/dialogs/qmessagebox.cpp
@@ -92,8 +92,8 @@ public:
         {
 #ifndef QT_NO_CONTEXTMENU
             QMenu *menu = createStandardContextMenu();
-            menu->exec(e->globalPos());
-            delete menu;
+            menu->setAttribute(Qt::WA_DeleteOnClose);
+            menu->popup(e->globalPos());
 #else
             Q_UNUSED(e);
 #endif
diff --git a/src/gui/dialogs/qprintdialog_win.cpp b/src/gui/dialogs/qprintdialog_win.cpp
index 5ccd33d27b..fa0c99fda9 100644
--- a/src/gui/dialogs/qprintdialog_win.cpp
+++ b/src/gui/dialogs/qprintdialog_win.cpp
@@ -52,7 +52,7 @@
 #include <private/qprintengine_win_p.h>
 #include <private/qprinter_p.h>
 
-#if defined(Q_CC_MINGW) && !defined(PD_NOCURRENTPAGE)
+#if !defined(PD_NOCURRENTPAGE)
 #define PD_NOCURRENTPAGE    0x00800000
 #define PD_RESULT_PRINT	1
 #define PD_RESULT_APPLY	2
diff --git a/src/gui/embedded/qscreen_qws.cpp b/src/gui/embedded/qscreen_qws.cpp
index 8eb8123599..65a3fb5910 100644
--- a/src/gui/embedded/qscreen_qws.cpp
+++ b/src/gui/embedded/qscreen_qws.cpp
@@ -39,6 +39,7 @@
 **
 ****************************************************************************/
 
+#include "qplatformdefs.h"
 #include "qscreen_qws.h"
 
 #include "qcolormap.h"
@@ -3223,13 +3224,13 @@ QScreen * qt_probe_bus()
         return qt_dodriver("unaccel.so",0,0);
     }
 
-    DIR * dirptr=opendir("/proc/bus/pci");
+    QT_DIR *dirptr = QT_OPENDIR("/proc/bus/pci");
     if(!dirptr)
         return qt_dodriver("unaccel.so",0,0);
-    DIR * dirptr2;
-    dirent * cards;
+    QT_DIR * dirptr2;
+    QT_DIRENT *cards;
 
-    dirent * busses=readdir(dirptr);
+    QT_DIRENT *busses = QT_READDIR(dirptr);
 
     while(busses) {
         if(busses->d_name[0]!='.') {
@@ -3237,9 +3238,9 @@ QScreen * qt_probe_bus()
             strcpy(buf,"/proc/bus/pci/");
             qstrcpy(buf+14,busses->d_name);
             int p=strlen(buf);
-            dirptr2=opendir(buf);
+            dirptr2 = QT_OPENDIR(buf);
             if(dirptr2) {
-                cards=readdir(dirptr2);
+                cards = QT_READDIR(dirptr2);
                 while(cards) {
                     if(cards->d_name[0]!='.') {
                         buf[p]='/';
@@ -3248,14 +3249,14 @@ QScreen * qt_probe_bus()
                         if(ret)
                             return ret;
                     }
-                    cards=readdir(dirptr2);
+                    cards = QT_READDIR(dirptr2);
                 }
-                closedir(dirptr2);
+                QT_CLOSEDIR(dirptr2);
             }
         }
-        busses=readdir(dirptr);
+        busses = QT_READDIR(dirptr);
     }
-    closedir(dirptr);
+    QT_CLOSEDIR(dirptr);
 
     return qt_dodriver("unaccel.so",0,0);
 }
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 66707fcba1..9a36d46d51 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -4238,6 +4238,8 @@ static void _q_paintItem(QGraphicsItem *item, QPainter *painter,
         widgetItem->paintWindowFrame(painter, option, widget);
         if (painterStateProtection)
             painter->restore();
+    } else if (widgetItem->autoFillBackground()) {
+        painter->fillRect(option->exposedRect, widgetItem->palette().window());
     }
 
     widgetItem->paint(painter, option, widget);
diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index 5e01785307..87416b40f8 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -967,6 +967,36 @@ void QGraphicsWidget::setPalette(const QPalette &palette)
 }
 
 /*!
+    \property QGraphicsWidget::autoFillBackground
+    \brief whether the widget background is filled automatically
+    \since 4.7
+
+    If enabled, this property will cause Qt to fill the background of the
+    widget before invoking the paint() method. The color used is defined by the
+    QPalette::Window color role from the widget's \l{QPalette}{palette}.
+
+    In addition, Windows are always filled with QPalette::Window, unless the
+    WA_OpaquePaintEvent or WA_NoSystemBackground attributes are set.
+
+    By default, this property is false.
+
+    \sa Qt::WA_OpaquePaintEvent, Qt::WA_NoSystemBackground,
+*/
+bool QGraphicsWidget::autoFillBackground() const
+{
+    Q_D(const QGraphicsWidget);
+    return d->autoFillBackground;
+}
+void QGraphicsWidget::setAutoFillBackground(bool enabled)
+{
+    Q_D(QGraphicsWidget);
+    if (d->autoFillBackground != enabled) {
+        d->autoFillBackground = enabled;
+        update();
+    }
+}
+
+/*!
     If this widget is currently managed by a layout, this function notifies
     the layout that the widget's size hints have changed and the layout
     may need to resize and reposition the widget accordingly.
diff --git a/src/gui/graphicsview/qgraphicswidget.h b/src/gui/graphicsview/qgraphicswidget.h
index f1d382bb44..4bea5be155 100644
--- a/src/gui/graphicsview/qgraphicswidget.h
+++ b/src/gui/graphicsview/qgraphicswidget.h
@@ -82,6 +82,7 @@ class Q_GUI_EXPORT QGraphicsWidget : public QGraphicsObject, public QGraphicsLay
     Q_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)
     Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)
     Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry)
+    Q_PROPERTY(bool autoFillBackground READ autoFillBackground WRITE setAutoFillBackground)
 public:
     QGraphicsWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
     ~QGraphicsWidget();
@@ -103,6 +104,9 @@ public:
     QPalette palette() const;
     void setPalette(const QPalette &palette);
 
+    bool autoFillBackground() const;
+    void setAutoFillBackground(bool enabled);
+
     void resize(const QSizeF &size);
     inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); }
     QSizeF size() const;
diff --git a/src/gui/graphicsview/qgraphicswidget_p.h b/src/gui/graphicsview/qgraphicswidget_p.h
index 2c5b3bfedd..3ab8737478 100644
--- a/src/gui/graphicsview/qgraphicswidget_p.h
+++ b/src/gui/graphicsview/qgraphicswidget_p.h
@@ -80,6 +80,7 @@ public:
           inSetGeometry(0),
           polished(0),
           inSetPos(0),
+          autoFillBackground(0),
           focusPolicy(Qt::NoFocus),
           focusNext(0),
           focusPrev(0),
@@ -172,6 +173,7 @@ public:
     quint32 inSetGeometry : 1;
     quint32 polished: 1;
     quint32 inSetPos : 1;
+    quint32 autoFillBackground : 1;
 
     // Focus
     Qt::FocusPolicy focusPolicy;
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 4f5efa1c46..6bcf72b64d 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -1835,7 +1835,7 @@ void QImage::setColor(int i, QRgb c)
     qAlpha() to access the pixels.
 
     \sa bytesPerLine(), bits(), {QImage#Pixel Manipulation}{Pixel
-    Manipulation}
+    Manipulation}, constScanLine()
 */
 uchar *QImage::scanLine(int i)
 {
@@ -1865,6 +1865,28 @@ const uchar *QImage::scanLine(int i) const
 
 
 /*!
+    Returns a pointer to the pixel data at the scanline with index \a
+    i. The first scanline is at index 0.
+
+    The scanline data is aligned on a 32-bit boundary.
+
+    Note that QImage uses \l{Implicit Data Sharing} {implicit data
+    sharing}, but this function does \e not perform a deep copy of the
+    shared pixel data, because the returned data is const.
+
+    \sa scanLine(), constBits()
+    \since 4.7
+*/
+const uchar *QImage::constScanLine(int i) const
+{
+    if (!d)
+        return 0;
+
+    Q_ASSERT(i >= 0 && i < height());
+    return d->data + i * d->bytes_per_line;
+}
+
+/*!
     Returns a pointer to the first pixel data. This is equivalent to
     scanLine(0).
 
@@ -1873,7 +1895,7 @@ const uchar *QImage::scanLine(int i) const
     data, thus ensuring that this QImage is the only one using the
     current return value.
 
-    \sa scanLine(), byteCount()
+    \sa scanLine(), byteCount(), constBits()
 */
 uchar *QImage::bits()
 {
@@ -1901,6 +1923,20 @@ const uchar *QImage::bits() const
 }
 
 
+/*!
+    Returns a pointer to the first pixel data.
+
+    Note that QImage uses \l{Implicit Data Sharing} {implicit data
+    sharing}, but this function does \e not perform a deep copy of the
+    shared pixel data, because the returned data is const.
+
+    \sa bits(), constScanLine()
+    \since 4.7
+*/
+const uchar *QImage::constBits() const
+{
+    return d ? d->data : 0;
+}
 
 /*!
     \fn void QImage::reset()
diff --git a/src/gui/image/qimage.h b/src/gui/image/qimage.h
index ac973a1de9..dd13782304 100644
--- a/src/gui/image/qimage.h
+++ b/src/gui/image/qimage.h
@@ -182,6 +182,7 @@ public:
 
     uchar *bits();
     const uchar *bits() const;
+    const uchar *constBits() const;
 #ifdef QT_DEPRECATED
     QT_DEPRECATED int numBytes() const;
 #endif
@@ -189,6 +190,7 @@ public:
 
     uchar *scanLine(int);
     const uchar *scanLine(int) const;
+    const uchar *constScanLine(int) const;
     int bytesPerLine() const;
 
     bool valid(int x, int y) const;
diff --git a/src/gui/image/qpicture.cpp b/src/gui/image/qpicture.cpp
index fb70e36e76..3220a67332 100644
--- a/src/gui/image/qpicture.cpp
+++ b/src/gui/image/qpicture.cpp
@@ -440,36 +440,6 @@ bool QPicture::play(QPainter *painter)
     return true;                                // no end-command
 }
 
-
-//
-// QFakeDevice is used to create fonts with a custom DPI
-//
-class QFakeDevice : public QPaintDevice
-{
-public:
-    QFakeDevice() { dpi_x = qt_defaultDpiX(); dpi_y = qt_defaultDpiY(); }
-    void setDpiX(int dpi) { dpi_x = dpi; }
-    void setDpiY(int dpi) { dpi_y = dpi; }
-    QPaintEngine *paintEngine() const { return 0; }
-    int metric(PaintDeviceMetric m) const
-    {
-        switch(m) {
-            case PdmPhysicalDpiX:
-            case PdmDpiX:
-                return dpi_x;
-            case PdmPhysicalDpiY:
-            case PdmDpiY:
-                return dpi_y;
-            default:
-                return QPaintDevice::metric(m);
-        }
-    }
-
-private:
-    int dpi_x;
-    int dpi_y;
-};
-
 /*!
   \internal
   Iterates over the internal picture data and draws the picture using
@@ -679,30 +649,29 @@ bool QPicture::exec(QPainter *painter, QDataStream &s, int nrecords)
 
             if (d->formatMajor >= 9) {
                 s >> dbl;
-                QFont fnt(font);
-                if (dbl != 1.0) {
-                    QFakeDevice fake;
-                    fake.setDpiX(qRound(dbl*qt_defaultDpiX()));
-                    fake.setDpiY(qRound(dbl*qt_defaultDpiY()));
-                    fnt = QFont(font, &fake);
-                }
+                QFont fnt(font, painter->device());
+
+                qreal scale = painter->device()->logicalDpiY() / (dbl*qt_defaultDpiY());
+                painter->save();
+                painter->scale(1/scale, 1/scale);
 
                 qreal justificationWidth;
                 s >> justificationWidth;
 
                 int flags = Qt::TextSingleLine | Qt::TextDontClip | Qt::TextForceLeftToRight;
 
-                QSizeF size(1, 1);
+                QSizeF size(scale, scale);
                 if (justificationWidth > 0) {
-                    size.setWidth(justificationWidth);
+                    size.setWidth(justificationWidth*scale);
                     flags |= Qt::TextJustificationForced;
                     flags |= Qt::AlignJustify;
                 }
 
                 QFontMetrics fm(fnt);
-                QPointF pt(p.x(), p.y() - fm.ascent());
+                QPointF pt(p.x()*scale, p.y()*scale - fm.ascent());
                 qt_format_text(fnt, QRectF(pt, size), flags, /*opt*/0,
                                str, /*brect=*/0, /*tabstops=*/0, /*...*/0, /*tabarraylen=*/0, painter);
+                painter->restore();
             } else {
                 qt_format_text(font, QRectF(p, QSizeF(1, 1)), Qt::TextSingleLine | Qt::TextDontClip, /*opt*/0,
                                str, /*brect=*/0, /*tabstops=*/0, /*...*/0, /*tabarraylen=*/0, painter);
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index d1e5c40540..7cafbd0021 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -1078,6 +1078,9 @@ QPixmap QPixmap::grabWidget(QWidget * widget, const QRect &rect)
     if (widget->testAttribute(Qt::WA_PendingResizeEvent) || !widget->testAttribute(Qt::WA_WState_Created))
         sendResizeEvents(widget);
 
+    widget->d_func()->prepareToRender(QRegion(),
+        QWidget::DrawWindowBackground | QWidget::DrawChildren | QWidget::IgnoreMask);
+
     QRect r(rect);
     if (r.width() < 0)
         r.setWidth(widget->width() - rect.x());
@@ -1088,8 +1091,8 @@ QPixmap QPixmap::grabWidget(QWidget * widget, const QRect &rect)
         return QPixmap();
 
     QPixmap res(r.size());
-    widget->render(&res, QPoint(), r,
-                   QWidget::DrawWindowBackground | QWidget::DrawChildren | QWidget::IgnoreMask);
+    widget->d_func()->render(&res, QPoint(), r, QWidget::DrawWindowBackground
+                             | QWidget::DrawChildren | QWidget::IgnoreMask, true);
     return res;
 }
 
@@ -1370,10 +1373,27 @@ void QPixmap::deref()
 */
 
 /*!
-    \fn bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags)
+    Replaces this pixmap's data with the given \a image using the
+    specified \a flags to control the conversion.  The \a flags
+    argument is a bitwise-OR of the \l{Qt::ImageConversionFlags}.
+    Passing 0 for \a flags sets all the default options. Returns true
+    if the result is that this pixmap is not null.
 
-    Use the static fromImage() function instead.
+    Note: this function was part of Qt 3 support in Qt 4.6 and earlier.
+    It has been promoted to official API status in 4.7 to support updating
+    the pixmap's image without creating a new QPixmap as fromImage() would.
+
+    \sa fromImage()
+    \since 4.7
 */
+bool QPixmap::convertFromImage(const QImage &image, Qt::ImageConversionFlags flags)
+{
+    if (image.isNull() || !data)
+        *this = QPixmap::fromImage(image, flags);
+    else
+        data->fromImage(image, flags);
+    return !isNull();
+}
 
 /*!
     \fn QPixmap QPixmap::xForm(const QMatrix &matrix) const
diff --git a/src/gui/image/qpixmap.h b/src/gui/image/qpixmap.h
index 46363f05a1..180af3be1b 100644
--- a/src/gui/image/qpixmap.h
+++ b/src/gui/image/qpixmap.h
@@ -141,6 +141,8 @@ public:
     bool save(const QString& fileName, const char* format = 0, int quality = -1) const;
     bool save(QIODevice* device, const char* format = 0, int quality = -1) const;
 
+    bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor);
+
 #if defined(Q_WS_WIN)
     enum HBitmapFormat {
         NoAlpha,
@@ -224,8 +226,6 @@ public:
     QT3_SUPPORT QPixmap &operator=(const QImage &);
     inline QT3_SUPPORT QImage convertToImage() const { return toImage(); }
     QT3_SUPPORT bool convertFromImage(const QImage &, ColorMode mode);
-    QT3_SUPPORT bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor)
-        { (*this) = fromImage(img, flags); return !isNull(); }
     inline QT3_SUPPORT operator QImage() const { return toImage(); }
     inline QT3_SUPPORT QPixmap xForm(const QMatrix &matrix) const { return transformed(QTransform(matrix)); }
     inline QT3_SUPPORT bool selfMask() const { return false; }
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index e1e8a0db5e..b9763761ba 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1142,7 +1142,7 @@ void QX11PixmapData::fromImage(const QImage &img,
     }
 }
 
-void QX11PixmapData::bitmapFromImage(const QImage &image)
+Qt::HANDLE QX11PixmapData::createBitmapFromImage(const QImage &image)
 {
     QImage img = image.convertToFormat(QImage::Format_MonoLSB);
     const QRgb c0 = QColor(Qt::black).rgb();
@@ -1155,10 +1155,8 @@ void QX11PixmapData::bitmapFromImage(const QImage &image)
 
     char  *bits;
     uchar *tmp_bits;
-    w = img.width();
-    h = img.height();
-    d = 1;
-    is_null = (w <= 0 || h <= 0);
+    int w = img.width();
+    int h = img.height();
     int bpl = (w + 7) / 8;
     int ibpl = img.bytesPerLine();
     if (bpl != ibpl) {
@@ -1177,18 +1175,26 @@ void QX11PixmapData::bitmapFromImage(const QImage &image)
         bits = (char *)img.bits();
         tmp_bits = 0;
     }
-    hd = (Qt::HANDLE)XCreateBitmapFromData(xinfo.display(),
-                                           RootWindow(xinfo.display(), xinfo.screen()),
+    Qt::HANDLE hd = (Qt::HANDLE)XCreateBitmapFromData(X11->display,
+                                           QX11Info::appRootWindow(),
                                            bits, w, h);
+    if (tmp_bits)                                // Avoid purify complaint
+        delete [] tmp_bits;
+    return hd;
+}
 
+void QX11PixmapData::bitmapFromImage(const QImage &image)
+{
+    w = image.width();
+    h = image.height();
+    d = 1;
+    is_null = (w <= 0 || h <= 0);
+    hd = createBitmapFromImage(image);
 #ifndef QT_NO_XRENDER
     if (X11->use_xrender)
         picture = XRenderCreatePicture(X11->display, hd,
                                        XRenderFindStandardFormat(X11->display, PictStandardA1), 0, 0);
 #endif // QT_NO_XRENDER
-
-    if (tmp_bits)                                // Avoid purify complaint
-        delete [] tmp_bits;
 }
 
 void QX11PixmapData::fill(const QColor &fillColor)
diff --git a/src/gui/image/qpixmap_x11_p.h b/src/gui/image/qpixmap_x11_p.h
index 20fb65470e..0c0a9bdd06 100644
--- a/src/gui/image/qpixmap_x11_p.h
+++ b/src/gui/image/qpixmap_x11_p.h
@@ -92,6 +92,8 @@ public:
     Qt::HANDLE handle() const { return hd; }
     Qt::HANDLE x11ConvertToDefaultDepth();
 
+    static Qt::HANDLE createBitmapFromImage(const QImage &image);
+
 protected:
     int metric(QPaintDevice::PaintDeviceMetric metric) const;
 
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index d5406cb847..dd31834cae 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -50,8 +50,13 @@
 #include <qvariant.h>
 #include <qvector.h>
 
+#ifdef QT_USE_BUNDLED_LIBPNG
+#include <../../3rdparty/libpng/png.h>
+#include <../../3rdparty/libpng/pngconf.h>
+#else
 #include <png.h>
 #include <pngconf.h>
+#endif
 
 #ifdef Q_OS_WINCE
 #define CALLBACK_CALL_TYPE        __cdecl
@@ -162,11 +167,16 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre
     png_uint_32 height;
     int bit_depth;
     int color_type;
+    png_bytep trans_alpha = 0;
+    png_color_16p trans_color_p = 0;
+    int num_trans;
+    png_colorp palette = 0;
+    int num_palette;
     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, 0, 0, 0);
 
     if (color_type == PNG_COLOR_TYPE_GRAY) {
         // Black & White or 8-bit grayscale
-        if (bit_depth == 1 && info_ptr->channels == 1) {
+        if (bit_depth == 1 && png_get_channels(png_ptr, info_ptr) == 1) {
             png_set_invert_mono(png_ptr);
             png_read_update_info(png_ptr, info_ptr);
             if (image.size() != QSize(width, height) || image.format() != QImage::Format_Mono) {
@@ -207,20 +217,16 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre
                 int c = i*255/(ncols-1);
                 image.setColor(i, qRgba(c,c,c,0xff));
             }
-            if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
-#if PNG_LIBPNG_VER_MAJOR < 1 || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR < 4)
-                const int g = info_ptr->trans_values.gray;
-#else
-                const int g = info_ptr->trans_color.gray;
-#endif
+            if (png_get_tRNS(png_ptr, info_ptr, &trans_alpha, &num_trans, &trans_color_p) && trans_color_p) {
+                const int g = trans_color_p->gray;
                 if (g < ncols) {
                     image.setColor(g, 0);
                 }
             }
         }
     } else if (color_type == PNG_COLOR_TYPE_PALETTE
-               && png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)
-               && info_ptr->num_palette <= 256)
+               && png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette)
+               && num_palette <= 256)
     {
         // 1-bit and 8-bit color
         if (bit_depth != 1)
@@ -233,29 +239,26 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre
             if (image.isNull())
                 return;
         }
-        image.setColorCount(info_ptr->num_palette);
+        png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
+        image.setColorCount(num_palette);
         int i = 0;
-        if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
-            while (i < info_ptr->num_trans) {
+        if (png_get_tRNS(png_ptr, info_ptr, &trans_alpha, &num_trans, &trans_color_p) && trans_alpha) {
+            while (i < num_trans) {
                 image.setColor(i, qRgba(
-                    info_ptr->palette[i].red,
-                    info_ptr->palette[i].green,
-                    info_ptr->palette[i].blue,
-#if PNG_LIBPNG_VER_MAJOR < 1 || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR < 4)
-                    info_ptr->trans[i]
-#else
-                    info_ptr->trans_alpha[i]
-#endif
+                    palette[i].red,
+                    palette[i].green,
+                    palette[i].blue,
+                    trans_alpha[i]
                    )
                );
                 i++;
             }
         }
-        while (i < info_ptr->num_palette) {
+        while (i < num_palette) {
             image.setColor(i, qRgba(
-                info_ptr->palette[i].red,
-                info_ptr->palette[i].green,
-                info_ptr->palette[i].blue,
+                palette[i].red,
+                palette[i].green,
+                palette[i].blue,
                 0xff
                )
            );
@@ -531,33 +534,36 @@ QImage::Format QPngHandlerPrivate::readImageFormat()
         QImage::Format format = QImage::Format_Invalid;
         png_uint_32 width, height;
         int bit_depth, color_type;
-        if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY) {
+        png_colorp palette;
+        int num_palette;
+        png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, 0, 0, 0);
+        if (color_type == PNG_COLOR_TYPE_GRAY) {
             // Black & White or 8-bit grayscale
-            if (info_ptr->bit_depth == 1 && info_ptr->channels == 1) {
+            if (bit_depth == 1 && png_get_channels(png_ptr, info_ptr) == 1) {
                 format = QImage::Format_Mono;
-            } else if (info_ptr->bit_depth == 16 && png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
+            } else if (bit_depth == 16 && png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
                 format = QImage::Format_ARGB32;
             } else {
                 format = QImage::Format_Indexed8;
             }
-        } else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE
-                && png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)
-                   && info_ptr->num_palette <= 256)
+        } else if (color_type == PNG_COLOR_TYPE_PALETTE
+                   && png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette)
+                   && num_palette <= 256)
         {
             // 1-bit and 8-bit color
-            if (info_ptr->bit_depth != 1)
+            if (bit_depth != 1)
                 png_set_packing(png_ptr);
             png_read_update_info(png_ptr, info_ptr);
             png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, 0, 0, 0);
             format = bit_depth == 1 ? QImage::Format_Mono : QImage::Format_Indexed8;
         } else {
             // 32-bit
-            if (info_ptr->bit_depth == 16)
+            if (bit_depth == 16)
                 png_set_strip_16(png_ptr);
 
             format = QImage::Format_ARGB32;
             // Only add filler if no alpha, or we can get 5 channel data.
-            if (!(info_ptr->color_type & PNG_COLOR_MASK_ALPHA)
+            if (!(color_type & PNG_COLOR_MASK_ALPHA)
                 && !png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
                 // We want 4 bytes, but it isn't an alpha channel
                 format = QImage::Format_RGB32;
@@ -648,7 +654,7 @@ static void set_text(const QImage &image, png_structp png_ptr, png_infop info_pt
         text_ptr[i].text = qstrdup(value.constData());
         text_ptr[i].text_length = 0;
         text_ptr[i].itxt_length = value.size();
-        text_ptr[i].lang = "UTF-8";
+        text_ptr[i].lang = const_cast<char*>("UTF-8");
         text_ptr[i].lang_key = qstrdup(it.key().toUtf8().constData());
 #endif
         ++i;
@@ -735,64 +741,51 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
         png_set_compression_level(png_ptr, quality);
     }
 
-    if (gamma != 0.0) {
-        png_set_gAMA(png_ptr, info_ptr, 1.0/gamma);
-    }
-
     png_set_write_fn(png_ptr, (void*)this, qpiw_write_fn, qpiw_flush_fn);
 
-    info_ptr->channels =
-        (image.depth() == 32)
-        ? (image.format() == QImage::Format_RGB32 ? 3 : 4)
-        : 1;
-
     png_set_IHDR(png_ptr, info_ptr, image.width(), image.height(),
         image.depth() == 1 ? 1 : 8 /* per channel */,
         image.depth() == 32
             ? image.format() == QImage::Format_RGB32
                 ? PNG_COLOR_TYPE_RGB
                 : PNG_COLOR_TYPE_RGB_ALPHA
-            : PNG_COLOR_TYPE_PALETTE, 0, 0, 0);
+            : PNG_COLOR_TYPE_PALETTE, 0, 0, 0);  // also sets #channels
 
+    if (gamma != 0.0) {
+        png_set_gAMA(png_ptr, info_ptr, 1.0/gamma);
+    }
 
-    //png_set_sBIT(png_ptr, info_ptr, 8);
-    info_ptr->sig_bit.red = 8;
-    info_ptr->sig_bit.green = 8;
-    info_ptr->sig_bit.blue = 8;
+    png_color_8 sig_bit;
+    sig_bit.red = 8;
+    sig_bit.green = 8;
+    sig_bit.blue = 8;
+    sig_bit.alpha = image.hasAlphaChannel() ? 8 : 0;
+    png_set_sBIT(png_ptr, info_ptr, &sig_bit);
 
     if (image.format() == QImage::Format_MonoLSB)
        png_set_packswap(png_ptr);
 
-    png_colorp palette = 0;
-    png_bytep copy_trans = 0;
     if (image.colorCount()) {
         // Paletted
-        int num_palette = image.colorCount();
-        palette = new png_color[num_palette];
-        png_set_PLTE(png_ptr, info_ptr, palette, num_palette);
-        int* trans = new int[num_palette];
+        int num_palette = qMin(256, image.colorCount());
+        png_color palette[256];
+        png_byte trans[256];
         int num_trans = 0;
         for (int i=0; i<num_palette; i++) {
-            QRgb rgb=image.color(i);
-            info_ptr->palette[i].red = qRed(rgb);
-            info_ptr->palette[i].green = qGreen(rgb);
-            info_ptr->palette[i].blue = qBlue(rgb);
-            trans[i] = rgb >> 24;
+            QRgb rgba=image.color(i);
+            palette[i].red = qRed(rgba);
+            palette[i].green = qGreen(rgba);
+            palette[i].blue = qBlue(rgba);
+            trans[i] = qAlpha(rgba);
             if (trans[i] < 255) {
                 num_trans = i+1;
             }
         }
+        png_set_PLTE(png_ptr, info_ptr, palette, num_palette);
+
         if (num_trans) {
-            copy_trans = new png_byte[num_trans];
-            for (int i=0; i<num_trans; i++)
-                copy_trans[i] = trans[i];
-            png_set_tRNS(png_ptr, info_ptr, copy_trans, num_trans, 0);
+            png_set_tRNS(png_ptr, info_ptr, trans, num_trans, 0);
         }
-        delete [] trans;
-    }
-
-    if (image.format() != QImage::Format_RGB32) {
-        info_ptr->sig_bit.alpha = 8;
     }
 
     // Swap ARGB to RGBA (normal PNG format) before saving on
@@ -868,11 +861,6 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
     png_write_end(png_ptr, info_ptr);
     frames_written++;
 
-    if (palette)
-        delete [] palette;
-    if (copy_trans)
-        delete [] copy_trans;
-
     png_destroy_write_struct(&png_ptr, &info_ptr);
 
     return true;
@@ -958,7 +946,8 @@ QVariant QPngHandler::option(ImageOption option) const
     else if (option == Description)
         return d->description;
     else if (option == Size)
-        return QSize(d->info_ptr->width, d->info_ptr->height);
+        return QSize(png_get_image_width(d->png_ptr, d->info_ptr),
+                     png_get_image_height(d->png_ptr, d->info_ptr));
     else if (option == ImageFormat)
         return d->readImageFormat();
     return 0;
diff --git a/src/gui/inputmethod/qwininputcontext_p.h b/src/gui/inputmethod/qwininputcontext_p.h
index 08cc3d2420..d5bedf49b7 100644
--- a/src/gui/inputmethod/qwininputcontext_p.h
+++ b/src/gui/inputmethod/qwininputcontext_p.h
@@ -56,7 +56,7 @@
 #include "QtGui/qinputcontext.h"
 #include "QtCore/qt_windows.h"
 
-#if defined(Q_CC_MINGW) && !defined(IMR_RECONVERTSTRING)
+#if !defined(IMR_RECONVERTSTRING)
 typedef struct tagRECONVERTSTRING {
     DWORD dwSize;
     DWORD dwVersion;
diff --git a/src/gui/itemviews/qdirmodel.cpp b/src/gui/itemviews/qdirmodel.cpp
index ea608c1b3c..378a23878c 100644
--- a/src/gui/itemviews/qdirmodel.cpp
+++ b/src/gui/itemviews/qdirmodel.cpp
@@ -185,12 +185,12 @@ void QDirModelPrivate::invalidate()
 
 /*!
     \class QDirModel
-
+    \obsolete
     \brief The QDirModel class provides a data model for the local filesystem.
 
     \ingroup model-view
 
-    \note The usage of QDirModel is not recommended anymore. The
+    The usage of QDirModel is not recommended anymore. The
     QFileSystemModel class is a more performant alternative.
 
     This class provides access to the local filesystem, providing functions
diff --git a/src/gui/itemviews/qfileiconprovider.cpp b/src/gui/itemviews/qfileiconprovider.cpp
index fcc61e55bf..f321ab305e 100644
--- a/src/gui/itemviews/qfileiconprovider.cpp
+++ b/src/gui/itemviews/qfileiconprovider.cpp
@@ -73,7 +73,7 @@ QT_BEGIN_NAMESPACE
 /*!
   \class QFileIconProvider
 
-  \brief The QFileIconProvider class provides file icons for the QDirModel class.
+  \brief The QFileIconProvider class provides file icons for the QDirModel and the QFileSystemModel classes.
 */
 
 /*!
diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index 8a456e6b9c..1c26e510e8 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -1853,11 +1853,9 @@ void QHeaderViewPrivate::_q_layoutChanged()
         persistentHiddenSections.clear();
         return;
     }
+
+    QBitArray oldSectionHidden = sectionHidden;
     bool sectionCountChanged = false;
-    for (int i = 0; i < sectionHidden.count(); ++i) {
-        if (sectionHidden.testBit(i))
-            q->setSectionHidden(logicalIndex(i), false);
-    }
 
     for (int i = 0; i < persistentHiddenSections.count(); ++i) {
         QModelIndex index = persistentHiddenSections.at(i);
@@ -1866,6 +1864,7 @@ void QHeaderViewPrivate::_q_layoutChanged()
                                  ? index.column()
                                  : index.row());
             q->setSectionHidden(logical, true);
+            oldSectionHidden.setBit(logical, false);
         } else if (!sectionCountChanged && (modelSectionCount() != sectionCount)) {
             sectionCountChanged = true;
             break;
@@ -1873,6 +1872,11 @@ void QHeaderViewPrivate::_q_layoutChanged()
     }
     persistentHiddenSections.clear();
 
+    for (int i = 0; i < oldSectionHidden.count(); ++i) {
+        if (oldSectionHidden.testBit(i))
+            q->setSectionHidden(logicalIndex(i), false);
+    }
+
     // the number of sections changed; we need to reread the state of the model
     if (sectionCountChanged)
         q->initializeSections();
@@ -2300,7 +2304,7 @@ void QHeaderView::mouseReleaseEvent(QMouseEvent *e)
             int section = logicalIndexAt(pos);
             if (section != -1 && section == d->pressed) {
                 d->flipSortIndicator(section);
-                emit sectionClicked(logicalIndexAt(pos));
+                emit sectionClicked(section);
             }
             if (d->pressed != -1)
                 updateSection(d->pressed);
diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index 41c984e37f..e73013cc9f 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -270,6 +270,11 @@ void QSortFilterProxyModelPrivate::clear_mapping()
 
     qDeleteAll(source_index_mapping);
     source_index_mapping.clear();
+    if (dynamic_sortfilter && update_source_sort_column()) {
+        //update_source_sort_column might have created wrong mapping so we have to clear it again
+        qDeleteAll(source_index_mapping);
+        source_index_mapping.clear();
+    }
 
     // update the persistent indexes
     update_persistent_indexes(source_indexes);
@@ -1208,11 +1213,6 @@ void QSortFilterProxyModelPrivate::_q_sourceLayoutAboutToBeChanged()
 void QSortFilterProxyModelPrivate::_q_sourceLayoutChanged()
 {
     Q_Q(QSortFilterProxyModel);
-    if (saved_persistent_indexes.isEmpty()) {
-        clear_mapping();
-        emit q->layoutChanged();
-        return;
-    }
 
     qDeleteAll(source_index_mapping);
     source_index_mapping.clear();
@@ -1220,7 +1220,11 @@ void QSortFilterProxyModelPrivate::_q_sourceLayoutChanged()
     update_persistent_indexes(saved_persistent_indexes);
     saved_persistent_indexes.clear();
 
-    update_source_sort_column();
+    if (dynamic_sortfilter && update_source_sort_column()) {
+        //update_source_sort_column might have created wrong mapping so we have to clear it again
+        qDeleteAll(source_index_mapping);
+        source_index_mapping.clear();
+    }
 
     emit q->layoutChanged();
 }
@@ -1481,7 +1485,6 @@ QSortFilterProxyModel::QSortFilterProxyModel(QObject *parent)
     d->filter_column = 0;
     d->filter_role = Qt::DisplayRole;
     d->dynamic_sortfilter = false;
-    connect(this, SIGNAL(modelReset()), this, SLOT(invalidate()));
 }
 
 /*!
diff --git a/src/gui/kernel/kernel.pri b/src/gui/kernel/kernel.pri
index 0993b86c2d..6fd45adf44 100644
--- a/src/gui/kernel/kernel.pri
+++ b/src/gui/kernel/kernel.pri
@@ -206,6 +206,7 @@ embedded {
 
         OBJECTIVE_HEADERS += \
                 qcocoawindow_mac_p.h \
+                qcocoapanel_mac_p.h \
                 qcocoawindowdelegate_mac_p.h \
                 qcocoaview_mac_p.h \
                 qcocoaapplication_mac_p.h \
diff --git a/src/gui/kernel/qaction.h b/src/gui/kernel/qaction.h
index 434136796b..538b04f77b 100644
--- a/src/gui/kernel/qaction.h
+++ b/src/gui/kernel/qaction.h
@@ -246,6 +246,9 @@ private:
     friend class QMenuBar;
     friend class QShortcutMap;
     friend class QToolButton;
+#ifdef Q_WS_MAC
+    friend void qt_mac_clear_status_text(QAction *action);
+#endif
 };
 
 QT_BEGIN_INCLUDE_NAMESPACE
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 4fe39006d4..bb6aca9b26 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -182,6 +182,15 @@ QApplicationPrivate::QApplicationPrivate(int &argc, char **argv, QApplication::T
     gestureManager = 0;
     gestureWidget = 0;
 
+#if defined(Q_WS_X11) || defined(Q_WS_WIN)
+    move_cursor = 0;
+    copy_cursor = 0;
+    link_cursor = 0;
+#endif
+#if defined(Q_WS_WIN)
+    ignore_cursor = 0;
+#endif
+
     if (!self)
         self = this;
 }
@@ -925,7 +934,7 @@ void QApplicationPrivate::initialize()
 
     // Set up which span functions should be used in raster engine...
     qInitDrawhelperAsm();
-
+    
 #if !defined(Q_WS_X11) && !defined(Q_WS_QWS)
     // initialize the graphics system - on X11 this is initialized inside
     // qt_init() in qapplication_x11.cpp because of several reasons.
@@ -1032,6 +1041,15 @@ QApplication::~QApplication()
     qt_clipboard = 0;
 #endif
 
+#if defined(Q_WS_X11) || defined(Q_WS_WIN)
+    delete d->move_cursor; d->move_cursor = 0;
+    delete d->copy_cursor; d->copy_cursor = 0;
+    delete d->link_cursor; d->link_cursor = 0;
+#endif
+#if defined(Q_WS_WIN)
+    delete d->ignore_cursor; d->ignore_cursor = 0;
+#endif
+
     delete QWidgetPrivate::mapper;
     QWidgetPrivate::mapper = 0;
 
@@ -5689,6 +5707,228 @@ QGestureManager* QGestureManager::instance()
     return qAppPriv->gestureManager;
 }
 
+// These pixmaps approximate the images in the Windows User Interface Guidelines.
+
+// XPM
+
+static const char * const move_xpm[] = {
+"11 20 3 1",
+".        c None",
+#if defined(Q_WS_WIN)
+"a        c #000000",
+"X        c #FFFFFF", // Windows cursor is traditionally white
+#else
+"a        c #FFFFFF",
+"X        c #000000", // X11 cursor is traditionally black
+#endif
+"aa.........",
+"aXa........",
+"aXXa.......",
+"aXXXa......",
+"aXXXXa.....",
+"aXXXXXa....",
+"aXXXXXXa...",
+"aXXXXXXXa..",
+"aXXXXXXXXa.",
+"aXXXXXXXXXa",
+"aXXXXXXaaaa",
+"aXXXaXXa...",
+"aXXaaXXa...",
+"aXa..aXXa..",
+"aa...aXXa..",
+"a.....aXXa.",
+"......aXXa.",
+".......aXXa",
+".......aXXa",
+"........aa."};
+
+#ifdef Q_WS_WIN
+/* XPM */
+static const char * const ignore_xpm[] = {
+"24 30 3 1",
+".        c None",
+"a        c #000000",
+"X        c #FFFFFF",
+"aa......................",
+"aXa.....................",
+"aXXa....................",
+"aXXXa...................",
+"aXXXXa..................",
+"aXXXXXa.................",
+"aXXXXXXa................",
+"aXXXXXXXa...............",
+"aXXXXXXXXa..............",
+"aXXXXXXXXXa.............",
+"aXXXXXXaaaa.............",
+"aXXXaXXa................",
+"aXXaaXXa................",
+"aXa..aXXa...............",
+"aa...aXXa...............",
+"a.....aXXa..............",
+"......aXXa.....XXXX.....",
+".......aXXa..XXaaaaXX...",
+".......aXXa.XaaaaaaaaX..",
+"........aa.XaaaXXXXaaaX.",
+"...........XaaaaX..XaaX.",
+"..........XaaXaaaX..XaaX",
+"..........XaaXXaaaX.XaaX",
+"..........XaaX.XaaaXXaaX",
+"..........XaaX..XaaaXaaX",
+"...........XaaX..XaaaaX.",
+"...........XaaaXXXXaaaX.",
+"............XaaaaaaaaX..",
+".............XXaaaaXX...",
+"...............XXXX....."};
+#endif
+
+/* XPM */
+static const char * const copy_xpm[] = {
+"24 30 3 1",
+".        c None",
+"a        c #000000",
+"X        c #FFFFFF",
+#if defined(Q_WS_WIN) // Windows cursor is traditionally white
+"aa......................",
+"aXa.....................",
+"aXXa....................",
+"aXXXa...................",
+"aXXXXa..................",
+"aXXXXXa.................",
+"aXXXXXXa................",
+"aXXXXXXXa...............",
+"aXXXXXXXXa..............",
+"aXXXXXXXXXa.............",
+"aXXXXXXaaaa.............",
+"aXXXaXXa................",
+"aXXaaXXa................",
+"aXa..aXXa...............",
+"aa...aXXa...............",
+"a.....aXXa..............",
+"......aXXa..............",
+".......aXXa.............",
+".......aXXa.............",
+"........aa...aaaaaaaaaaa",
+#else
+"XX......................",
+"XaX.....................",
+"XaaX....................",
+"XaaaX...................",
+"XaaaaX..................",
+"XaaaaaX.................",
+"XaaaaaaX................",
+"XaaaaaaaX...............",
+"XaaaaaaaaX..............",
+"XaaaaaaaaaX.............",
+"XaaaaaaXXXX.............",
+"XaaaXaaX................",
+"XaaXXaaX................",
+"XaX..XaaX...............",
+"XX...XaaX...............",
+"X.....XaaX..............",
+"......XaaX..............",
+".......XaaX.............",
+".......XaaX.............",
+"........XX...aaaaaaaaaaa",
+#endif
+".............aXXXXXXXXXa",
+".............aXXXXXXXXXa",
+".............aXXXXaXXXXa",
+".............aXXXXaXXXXa",
+".............aXXaaaaaXXa",
+".............aXXXXaXXXXa",
+".............aXXXXaXXXXa",
+".............aXXXXXXXXXa",
+".............aXXXXXXXXXa",
+".............aaaaaaaaaaa"};
+
+/* XPM */
+static const char * const link_xpm[] = {
+"24 30 3 1",
+".        c None",
+"a        c #000000",
+"X        c #FFFFFF",
+#if defined(Q_WS_WIN) // Windows cursor is traditionally white
+"aa......................",
+"aXa.....................",
+"aXXa....................",
+"aXXXa...................",
+"aXXXXa..................",
+"aXXXXXa.................",
+"aXXXXXXa................",
+"aXXXXXXXa...............",
+"aXXXXXXXXa..............",
+"aXXXXXXXXXa.............",
+"aXXXXXXaaaa.............",
+"aXXXaXXa................",
+"aXXaaXXa................",
+"aXa..aXXa...............",
+"aa...aXXa...............",
+"a.....aXXa..............",
+"......aXXa..............",
+".......aXXa.............",
+".......aXXa.............",
+"........aa...aaaaaaaaaaa",
+#else
+"XX......................",
+"XaX.....................",
+"XaaX....................",
+"XaaaX...................",
+"XaaaaX..................",
+"XaaaaaX.................",
+"XaaaaaaX................",
+"XaaaaaaaX...............",
+"XaaaaaaaaX..............",
+"XaaaaaaaaaX.............",
+"XaaaaaaXXXX.............",
+"XaaaXaaX................",
+"XaaXXaaX................",
+"XaX..XaaX...............",
+"XX...XaaX...............",
+"X.....XaaX..............",
+"......XaaX..............",
+".......XaaX.............",
+".......XaaX.............",
+"........XX...aaaaaaaaaaa",
+#endif
+".............aXXXXXXXXXa",
+".............aXXXaaaaXXa",
+".............aXXXXaaaXXa",
+".............aXXXaaaaXXa",
+".............aXXaaaXaXXa",
+".............aXXaaXXXXXa",
+".............aXXaXXXXXXa",
+".............aXXXaXXXXXa",
+".............aXXXXXXXXXa",
+".............aaaaaaaaaaa"};
+
+QPixmap QApplicationPrivate::getPixmapCursor(Qt::CursorShape cshape)
+{
+    if (!move_cursor) {
+        move_cursor = new QPixmap((const char **)move_xpm);
+        copy_cursor = new QPixmap((const char **)copy_xpm);
+        link_cursor = new QPixmap((const char **)link_xpm);
+#ifdef Q_WS_WIN
+        ignore_cursor = new QPixmap((const char **)ignore_xpm);
+#endif
+    }
+
+    switch (cshape) {
+    case Qt::DragMoveCursor:
+        return *move_cursor;
+    case Qt::DragCopyCursor:
+        return *copy_cursor;
+    case Qt::DragLinkCursor:
+        return *link_cursor;
+#ifdef Q_WS_WIN
+    case Qt::ForbiddenCursor:
+        return *ignore_cursor;
+#endif
+    default:
+        break;
+    }
+    return QPixmap();
+}
+
 QT_END_NAMESPACE
 
 #include "moc_qapplication.cpp"
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index e8b821af67..3fba83388a 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -1258,10 +1258,6 @@ void qt_init(QApplicationPrivate *priv, int)
         [cocoaApp setMenu:[qtMenuLoader menu]];
         [newDelegate setMenuLoader:qtMenuLoader];
         [qtMenuLoader release];
-
-        NSAppleEventManager *eventManager = [NSAppleEventManager sharedAppleEventManager];
-        [eventManager setEventHandler:newDelegate andSelector:@selector(getUrl:withReplyEvent:)
-          forEventClass:kInternetEventClass andEventID:kAEGetURL];
     }
 #endif
     // Register for Carbon tablet proximity events on the event monitor target.
@@ -1361,12 +1357,39 @@ void QApplication::setMainWidget(QWidget *mainWidget)
 /*****************************************************************************
   QApplication cursor stack
  *****************************************************************************/
+#ifdef QT_MAC_USE_COCOA
+void QApplicationPrivate::disableUsageOfCursorRects(bool disable)
+{
+    // In Cocoa there are two competing ways of setting the cursor; either
+    // by using cursor rects (see qcocoaview_mac.mm), or by pushing/popping
+    // the cursor manually. When we use override cursors, it makes most sense
+    // to use the latter. But then we need to tell cocoa to stop using the
+    // first approach so it doesn't change the cursor back when hovering over
+    // a cursor rect:
+    QWidgetList topLevels = qApp->topLevelWidgets();
+    for (int i=0; i<topLevels.size(); ++i) {
+        if (NSWindow *window = qt_mac_window_for(topLevels.at(i)))
+            disable ? [window disableCursorRects] : [window enableCursorRects];
+    }
+}
+
+void QApplicationPrivate::updateOverrideCursor()
+{
+    // Sometimes Cocoa forgets that we have set a Cursor
+    // manually. In those cases, remind it again:
+    if (QCursor *override = qApp->overrideCursor())
+        [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(*override)) set];
+}
+#endif
+
 void QApplication::setOverrideCursor(const QCursor &cursor)
 {
     qApp->d_func()->cursor_list.prepend(cursor);
 
 #ifdef QT_MAC_USE_COCOA
     QMacCocoaAutoReleasePool pool;
+    if (qApp->d_func()->cursor_list.size() == 1)
+        qApp->d_func()->disableUsageOfCursorRects(true);
     [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(cursor)) push];
 #else
     if (qApp && qApp->activeWindow())
@@ -1383,6 +1406,8 @@ void QApplication::restoreOverrideCursor()
 #ifdef QT_MAC_USE_COCOA
     QMacCocoaAutoReleasePool pool;
     [NSCursor pop];
+    if (qApp->d_func()->cursor_list.isEmpty())
+        qApp->d_func()->disableUsageOfCursorRects(false);
 #else
     if (qApp && qApp->activeWindow()) {
         const QCursor def(Qt::ArrowCursor);
@@ -2455,6 +2480,28 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
 #endif
 }
 
+#ifdef QT_MAC_USE_COCOA
+void QApplicationPrivate::qt_initAfterNSAppStarted()
+{
+    setupAppleEvents();
+    updateOverrideCursor();
+}
+
+void QApplicationPrivate::setupAppleEvents()
+{
+    // This function is called from the event dispatcher when NSApplication has
+    // finished initialization, which appears to be just after [NSApplication run] has
+    // started to execute. By setting up our apple events handlers this late, we override
+    // the ones set up by NSApplication.
+    QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
+    NSAppleEventManager *eventManager = [NSAppleEventManager sharedAppleEventManager];
+    [eventManager setEventHandler:newDelegate andSelector:@selector(appleEventQuit:withReplyEvent:)
+     forEventClass:kCoreEventClass andEventID:kAEQuitApplication];
+    [eventManager setEventHandler:newDelegate andSelector:@selector(getUrl:withReplyEvent:)
+      forEventClass:kInternetEventClass andEventID:kAEGetURL];
+}
+#endif
+
 // In Carbon this is your one stop for apple events.
 // In Cocoa, it ISN'T. This is the catch-all Apple Event handler that exists
 // for the time between instantiating the NSApplication, but before the
@@ -3002,7 +3049,7 @@ void onApplicationWindowChangedActivation(QWidget *widget, bool activated)
     }
 
     QMenuBar::macUpdateMenuBar();
-
+    QApplicationPrivate::updateOverrideCursor();
 #else
     Q_UNUSED(widget);
     Q_UNUSED(activated);
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 9c001ab584..d19d86ee60 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -457,6 +457,12 @@ public:
     static OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
     static OSStatus globalAppleEventProcessor(const AppleEvent *, AppleEvent *, long);
     static OSStatus tabletProximityCallback(EventHandlerCallRef, EventRef, void *);
+#ifdef QT_MAC_USE_COCOA
+    static void qt_initAfterNSAppStarted();
+    static void setupAppleEvents();
+    static void updateOverrideCursor();
+    static void disableUsageOfCursorRects(bool disable);
+#endif
     static bool qt_mac_apply_settings();
 #endif
 
@@ -512,6 +518,13 @@ public:
 
     QGestureManager *gestureManager;
     QWidget *gestureWidget;
+    QPixmap *move_cursor;
+    QPixmap *copy_cursor;
+    QPixmap *link_cursor;
+#if defined(Q_WS_WIN)
+    QPixmap *ignore_cursor;
+#endif
+    QPixmap getPixmapCursor(Qt::CursorShape cshape);
 
     QMap<int, QWeakPointer<QWidget> > widgetForTouchPointId;
     QMap<int, QTouchEvent::TouchPoint> appCurrentTouchPoints;
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index bf3ad71fbd..3e2e6f67de 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -63,7 +63,7 @@
 #include "private/qsoftkeymanager_p.h"
 
 #include "apgwgnam.h" // For CApaWindowGroupName
-#include <MdaAudioTonePlayer.h>     // For CMdaAudioToneUtility
+#include <mdaaudiotoneplayer.h>     // For CMdaAudioToneUtility
 
 #if defined(Q_WS_S60)
 # if !defined(QT_NO_IM)
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 2a1f655373..667db39b31 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -614,6 +614,11 @@ static int (*original_xio_errhandler)(Display *dpy);
 
 static int qt_x_errhandler(Display *dpy, XErrorEvent *err)
 {
+    if (X11->display != dpy) {
+        // only handle X errors for our display
+        return 0;
+    }
+
     switch (err->error_code) {
     case BadAtom:
         if (err->request_code == 20 /* X_GetProperty */
diff --git a/src/gui/kernel/qcocoaapplicationdelegate_mac.mm b/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
index 47a8026f34..ab71a05973 100644
--- a/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
+++ b/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
@@ -317,5 +317,12 @@ static void cleanupCocoaApplicationDelegate()
     qt_sendSpontaneousEvent(qAppInstance(), &qtEvent);
 }
 
+- (void)appleEventQuit:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent
+{
+    Q_UNUSED(event);
+    Q_UNUSED(replyEvent);
+    [NSApp terminate:self];
+}
+
 @end
 #endif
diff --git a/src/gui/kernel/qcocoapanel_mac.mm b/src/gui/kernel/qcocoapanel_mac.mm
index 5e24c84ac6..0b48efd432 100644
--- a/src/gui/kernel/qcocoapanel_mac.mm
+++ b/src/gui/kernel/qcocoapanel_mac.mm
@@ -46,6 +46,7 @@
 #import <private/qcocoawindowdelegate_mac_p.h>
 #import <private/qcocoaview_mac_p.h>
 #import <private/qcocoawindowcustomthemeframe_mac_p.h>
+#import <private/qcocoaapplication_mac_p.h>
 #include <private/qapplication_p.h>
 #include <private/qbackingstore_p.h>
 
diff --git a/src/gui/kernel/qcocoapanel_mac_p.h b/src/gui/kernel/qcocoapanel_mac_p.h
index fc83bd892a..3678f81a32 100644
--- a/src/gui/kernel/qcocoapanel_mac_p.h
+++ b/src/gui/kernel/qcocoapanel_mac_p.h
@@ -54,10 +54,16 @@
 #ifdef QT_MAC_USE_COCOA
 #import <Cocoa/Cocoa.h>
 
+QT_FORWARD_DECLARE_CLASS(QStringList);
+
 @interface QT_MANGLE_NAMESPACE(QCocoaPanel) : NSPanel {
     bool leftButtonIsRightButton;
+    QStringList *currentCustomDragTypes;
 }
 
 + (Class)frameViewClassForStyleMask:(NSUInteger)styleMask;
+- (void)registerDragTypes;
+
 @end
 #endif
+
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index d2b74d7420..a1d2c6166d 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -57,8 +57,32 @@
 QT_BEGIN_NAMESPACE
 extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
+extern const QStringList& qEnabledDraggedTypes(); // qmime_mac.cpp
+extern bool qt_blockCocoaSettingModalWindowLevel; // qeventdispatcher_mac_p.h
+
+Q_GLOBAL_STATIC(QPointer<QWidget>, currentDragTarget);
+
 QT_END_NAMESPACE
 
+- (id)initWithContentRect:(NSRect)contentRect
+    styleMask:(NSUInteger)windowStyle
+    backing:(NSBackingStoreType)bufferingType
+    defer:(BOOL)deferCreation
+{
+    self = [super initWithContentRect:contentRect styleMask:windowStyle
+        backing:bufferingType defer:deferCreation];
+    if (self) {
+        currentCustomDragTypes = 0;
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    delete currentCustomDragTypes;
+    [super dealloc];
+}
+
 - (BOOL)canBecomeKeyWindow
 {
     QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
@@ -68,6 +92,40 @@ QT_END_NAMESPACE
     return !(isPopup || isToolTip);
 }
 
+- (BOOL)canBecomeMainWindow
+{
+    QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
+
+    bool isToolTip = (widget->windowType() == Qt::ToolTip);
+    bool isPopup = (widget->windowType() == Qt::Popup);
+    bool isTool = (widget->windowType() == Qt::Tool);
+    return !(isPopup || isToolTip || isTool);
+}
+
+- (void)orderWindow:(NSWindowOrderingMode)orderingMode relativeTo:(NSInteger)otherWindowNumber
+{
+    if (qt_blockCocoaSettingModalWindowLevel) {
+        // To avoid windows popping in front while restoring modal sessions
+        // in the event dispatcher, we block cocoa from ordering this window
+        // to front. The result of not doing this can be seen if executing
+        // a native color dialog on top of another executing dialog.
+        return;
+    }
+    [super orderWindow:orderingMode relativeTo:otherWindowNumber];
+}
+
+- (void)setLevel:(NSInteger)windowLevel
+{
+    if (qt_blockCocoaSettingModalWindowLevel) {
+        // To avoid windows popping in front while restoring modal sessions
+        // in the event dispatcher, we block cocoa from ordering this window
+        // to front. The result of not doing this can be seen if executing
+        // a native color dialog on top of another executing dialog.
+        return;
+    }
+    [super setLevel:windowLevel];
+}
+
 - (void)toggleToolbarShown:(id)sender
 {
     macSendToolbarChangeEvent([self QT_MANGLE_NAMESPACE(qt_qwidget)]);
@@ -106,6 +164,23 @@ QT_END_NAMESPACE
     qt_dispatchTabletProximityEvent(tabletEvent);
 }
 
+- (void)qtDispatcherToQAction:(id)sender
+{
+    // If this window is modal, the menu bar will be modally shaddowed.
+    // In that case, since the window will be in the first responder chain,
+    // we can still catch the trigger here and forward it to the menu bar.
+    // This is needed as a single modal dialog on Qt should be able to access
+    // the application menu (e.g. quit).
+    [[NSApp QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader)] qtDispatcherToQAction:sender];
+}
+
+- (void)terminate:(id)sender
+{
+    // This function is called from the quit item in the menubar when this window
+    // is in the first responder chain (see also qtDispatcherToQAction above)
+    [NSApp terminate:sender];
+}
+
 - (void)sendEvent:(NSEvent *)event
 {
     QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
@@ -133,7 +208,7 @@ QT_END_NAMESPACE
                 qt_button_down = widget;
             handled = qt_mac_handleMouseEvent(view, event, QEvent::MouseButtonPress, mouseButton);
             // Don't call super here. This prevents us from getting the mouseUp event,
-            // which we need to send even if the mouseDown event was not accepted. 
+            // which we need to send even if the mouseDown event was not accepted.
             // (this is standard Qt behavior.)
             break;
         case NSRightMouseDown:
@@ -188,6 +263,115 @@ QT_END_NAMESPACE
     return [super frameViewClassForStyleMask:styleMask];
 }
 
+-(void)registerDragTypes
+{
+    // Calling registerForDraggedTypes below is slow, so only do
+    // it once for each window, or when the custom types change.
+    QMacCocoaAutoReleasePool pool;
+    const QStringList& customTypes = qEnabledDraggedTypes();
+    if (currentCustomDragTypes == 0 || *currentCustomDragTypes != customTypes) {
+        if (currentCustomDragTypes == 0)
+            currentCustomDragTypes = new QStringList();
+        *currentCustomDragTypes = customTypes;
+        const NSString* mimeTypeGeneric = @"com.trolltech.qt.MimeTypeName";
+        NSMutableArray *supportedTypes = [NSMutableArray arrayWithObjects:NSColorPboardType,
+                       NSFilenamesPboardType, NSStringPboardType,
+                       NSFilenamesPboardType, NSPostScriptPboardType, NSTIFFPboardType,
+                       NSRTFPboardType, NSTabularTextPboardType, NSFontPboardType,
+                       NSRulerPboardType, NSFileContentsPboardType, NSColorPboardType,
+                       NSRTFDPboardType, NSHTMLPboardType, NSPICTPboardType,
+                       NSURLPboardType, NSPDFPboardType, NSVCardPboardType,
+                       NSFilesPromisePboardType, NSInkTextPboardType,
+                       NSMultipleTextSelectionPboardType, mimeTypeGeneric, nil];
+        // Add custom types supported by the application.
+        for (int i = 0; i < customTypes.size(); i++) {
+           [supportedTypes addObject:reinterpret_cast<const NSString *>(QCFString::toCFStringRef(customTypes[i]))];
+        }
+        [self registerForDraggedTypes:supportedTypes];
+    }
+}
+
+- (QWidget *)dragTargetHitTest:(id <NSDraggingInfo>)sender
+{
+    // Do a hittest to find the NSView under the
+    // mouse, and return the corresponding QWidget:
+    NSPoint windowPoint = [sender draggingLocation];
+    NSView *candidateView = [[self contentView] hitTest:windowPoint];
+    if (![candidateView isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaView) class]])
+        return 0;
+    return [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(candidateView) qt_qwidget];
+}
+
+- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
+{
+    // The user dragged something into the window. Send a draggingEntered message
+    // to the QWidget under the mouse. As the drag moves over the window, and over
+    // different widgets, we will handle enter and leave events from within
+    // draggingUpdated below. The reason why we handle this ourselves rather than
+    // subscribing for drag events directly in QCocoaView is that calling
+    // registerForDraggedTypes on the views will severly degrade initialization time
+    // for an application that uses a lot of drag subscribing widgets.
+
+    QWidget *target = [self dragTargetHitTest:sender];
+    if (!target)
+        return [super draggingEntered:sender];
+    if (target->testAttribute(Qt::WA_DropSiteRegistered) == false)
+        return NSDragOperationNone;
+
+    *currentDragTarget() = target;
+    return [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) draggingEntered:sender];
+ }
+
+- (NSDragOperation)draggingUpdated:(id < NSDraggingInfo >)sender
+{
+    QWidget *target = [self dragTargetHitTest:sender];
+    if (!target)
+        return [super draggingUpdated:sender];
+
+    if (target == *currentDragTarget()) {
+        // The drag continues to move over the widget that we have sendt
+        // a draggingEntered message to. So just update the view:
+        return [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) draggingUpdated:sender];
+    } else {
+        // The widget under the mouse has changed.
+        // So we need to fake enter/leave events:
+        if (*currentDragTarget())
+            [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) draggingExited:sender];
+        if (target->testAttribute(Qt::WA_DropSiteRegistered) == false) {
+            *currentDragTarget() = 0;
+            return NSDragOperationNone;
+        }
+        *currentDragTarget() = target;
+        return [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) draggingEntered:sender];
+    }
+}
+
+- (void)draggingExited:(id < NSDraggingInfo >)sender
+{
+    QWidget *target = [self dragTargetHitTest:sender];
+    if (!target)
+        return [super draggingExited:sender];
+
+    if (*currentDragTarget()) {
+        [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) draggingExited:sender];
+        *currentDragTarget() = 0;
+    }
+}
+
+- (BOOL)performDragOperation:(id < NSDraggingInfo >)sender
+{
+    QWidget *target = [self dragTargetHitTest:sender];
+    if (!target)
+        return [super performDragOperation:sender];
+
+    BOOL dropResult = NO;
+    if (*currentDragTarget()) {
+        dropResult = [reinterpret_cast<NSView *>((*currentDragTarget())->winId()) performDragOperation:sender];
+        *currentDragTarget() = 0;
+    }
+    return dropResult;
+}
+
 - (void)displayIfNeeded
 {
 
@@ -203,5 +387,3 @@ QT_END_NAMESPACE
     }
     [super displayIfNeeded];
 }
-
-
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 2c35be2135..70c78c836d 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -81,7 +81,6 @@ Q_GLOBAL_STATIC(DnDParams, qMacDnDParams);
 extern void qt_mac_update_cursor_at_global_pos(const QPoint &globalPos); // qcursor_mac.mm
 extern bool qt_sendSpontaneousEvent(QObject *, QEvent *); // qapplication.cpp
 extern OSViewRef qt_mac_nativeview_for(const QWidget *w); // qwidget_mac.mm
-extern const QStringList& qEnabledDraggedTypes(); // qmime_mac.cpp
 extern QPointer<QWidget> qt_mouseover; //qapplication_mac.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
 
@@ -212,7 +211,6 @@ extern "C" {
     composingText = new QString();
     composing = false;
     sendKeyEvents = true;
-    currentCustomTypes = 0;
     [self setHidden:YES];
     return self;
 }
@@ -227,36 +225,12 @@ extern "C" {
                                                object:self];
 }
 
--(void)registerDragTypes
-{
-    QMacCocoaAutoReleasePool pool;
-    // Calling registerForDraggedTypes is slow, so only do it once for each widget
-    // or when the custom types change.
-    const QStringList& customTypes = qEnabledDraggedTypes();
-    if (currentCustomTypes == 0 || *currentCustomTypes != customTypes) {
-        if (currentCustomTypes == 0)
-            currentCustomTypes = new QStringList();
-        *currentCustomTypes = customTypes;
-        const NSString* mimeTypeGeneric = @"com.trolltech.qt.MimeTypeName";
-	NSMutableArray *supportedTypes = [NSMutableArray arrayWithObjects:NSColorPboardType,
-                                   NSFilenamesPboardType, NSStringPboardType,
-                                   NSFilenamesPboardType, NSPostScriptPboardType, NSTIFFPboardType,
-                                   NSRTFPboardType, NSTabularTextPboardType, NSFontPboardType,
-                                   NSRulerPboardType, NSFileContentsPboardType, NSColorPboardType,
-                                   NSRTFDPboardType, NSHTMLPboardType, NSPICTPboardType,
-                                   NSURLPboardType, NSPDFPboardType, NSVCardPboardType,
-                                   NSFilesPromisePboardType, NSInkTextPboardType,
-                                   NSMultipleTextSelectionPboardType, mimeTypeGeneric, nil];
-        // Add custom types supported by the application.
-        for (int i = 0; i < customTypes.size(); i++) {
-           [supportedTypes addObject:reinterpret_cast<const NSString *>(QCFString::toCFStringRef(customTypes[i]))];
-        }
-        [self registerForDraggedTypes:supportedTypes];
-    }
-}
-
 - (void)resetCursorRects
 {
+    // [NSView addCursorRect] is slow, so bail out early if we can:
+    if (NSIsEmptyRect([self visibleRect]))
+        return;
+
     QWidget *cursorWidget = qwidget;
 
     if (cursorWidget->testAttribute(Qt::WA_TransparentForMouseEvents))
@@ -300,15 +274,9 @@ extern "C" {
 
 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
 {
-    if (qwidget->testAttribute(Qt::WA_DropSiteRegistered) == false)
-        return NSDragOperationNone;
+    // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
+    // from Cocoa. They modify the drag target, and might fake enter/leave events.
     NSPoint windowPoint = [sender draggingLocation];
-    if (qwidget->testAttribute(Qt::WA_TransparentForMouseEvents)) {
-        // pass the drag enter event to the view underneath.
-        NSView *candidateView = [[[self window] contentView] hitTest:windowPoint];
-        if (candidateView && candidateView != self)
-            return [candidateView draggingEntered:sender];
-    }
     dragEnterSequence = [sender draggingSequenceNumber];
     [self addDropData:sender];
     QMimeData *mimeData = dropData;
@@ -361,13 +329,9 @@ extern "C" {
  }
 - (NSDragOperation)draggingUpdated:(id < NSDraggingInfo >)sender
 {
+    // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
+    // from Cocoa. They modify the drag target, and might fake enter/leave events.
     NSPoint windowPoint = [sender draggingLocation];
-    if (qwidget->testAttribute(Qt::WA_TransparentForMouseEvents)) {
-        // pass the drag move event to the view underneath.
-        NSView *candidateView = [[[self window] contentView] hitTest:windowPoint];
-        if (candidateView && candidateView != self)
-            return [candidateView draggingUpdated:sender];
-    }
     // in cases like QFocusFrame, the view under the mouse might
     // not have received the drag enter. Generate a synthetic
     // drag enter event for that view.
@@ -417,14 +381,10 @@ extern "C" {
 
 - (void)draggingExited:(id < NSDraggingInfo >)sender
 {
+    // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
+    // from Cocoa. They modify the drag target, and might fake enter/leave events.
+    Q_UNUSED(sender);
     dragEnterSequence = -1;
-    if (qwidget->testAttribute(Qt::WA_TransparentForMouseEvents)) {
-        // try sending the leave event to the last view which accepted drag enter.
-        DnDParams *dndParams = [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent];
-        NSView *candidateView = [[[self window] contentView] hitTest:dndParams->activeDragEnterPos];
-        if (candidateView && candidateView != self)
-            return [candidateView draggingExited:sender];
-    }
     // drag enter event was rejected, so ignore the move event.
     if (dropData) {
         QDragLeaveEvent de;
@@ -435,14 +395,10 @@ extern "C" {
 
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
+    // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
+    // from Cocoa. They modify the drag target, and might fake enter/leave events.
     NSPoint windowPoint = [sender draggingLocation];
     dragEnterSequence = -1;
-    if (qwidget->testAttribute(Qt::WA_TransparentForMouseEvents)) {
-        // pass the drop event to the view underneath.
-        NSView *candidateView = [[[self window] contentView] hitTest:windowPoint];
-        if (candidateView && candidateView != self)
-            return [candidateView performDragOperation:sender];
-    }
     [self addDropData:sender];
 
     NSPoint globalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:windowPoint];
@@ -472,8 +428,6 @@ extern "C" {
 {
     delete composingText;
     [[NSNotificationCenter defaultCenter] removeObserver:self];
-    delete currentCustomTypes;
-    [self unregisterDraggedTypes];
     [super dealloc];
 }
 
@@ -616,6 +570,10 @@ extern "C" {
 
 - (void)updateTrackingAreas
 {
+    // [NSView addTrackingArea] is slow, so bail out early if we can:
+    if (NSIsEmptyRect([self visibleRect]))
+        return;
+
     QMacCocoaAutoReleasePool pool;
     if (NSArray *trackingArray = [self trackingAreas]) {
         NSUInteger size = [trackingArray count];
diff --git a/src/gui/kernel/qcocoaview_mac_p.h b/src/gui/kernel/qcocoaview_mac_p.h
index 797b4d5b2a..4bb10c5d8b 100644
--- a/src/gui/kernel/qcocoaview_mac_p.h
+++ b/src/gui/kernel/qcocoaview_mac_p.h
@@ -87,7 +87,6 @@ Q_GUI_EXPORT
     int composingLength;
     bool sendKeyEvents;
     QString *composingText;
-    QStringList *currentCustomTypes;
     NSInteger dragEnterSequence;
 }
 - (id)initWithQWidget:(QWidget *)widget widgetPrivate:(QWidgetPrivate *)widgetprivate;
@@ -97,7 +96,6 @@ Q_GUI_EXPORT
 - (NSDragOperation)draggingUpdated:(id < NSDraggingInfo >)sender;
 - (void)draggingExited:(id < NSDraggingInfo >)sender;
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
-- (void)registerDragTypes;
 - (void)removeDropData;
 - (void)addDropData:(id <NSDraggingInfo>)sender;
 - (void)setSupportedActions:(NSDragOperation)actions;
diff --git a/src/gui/kernel/qcocoawindow_mac.mm b/src/gui/kernel/qcocoawindow_mac.mm
index a644dfebfe..f1b642b50c 100644
--- a/src/gui/kernel/qcocoawindow_mac.mm
+++ b/src/gui/kernel/qcocoawindow_mac.mm
@@ -46,6 +46,7 @@
 #import <private/qcocoaview_mac_p.h>
 #import <private/qt_cocoa_helpers_mac_p.h>
 #import <private/qcocoawindowcustomthemeframe_mac_p.h>
+#import <private/qcocoaapplication_mac_p.h>
 
 #include <QtGui/QWidget>
 
diff --git a/src/gui/kernel/qcocoawindow_mac_p.h b/src/gui/kernel/qcocoawindow_mac_p.h
index 04748822ce..21f82df078 100644
--- a/src/gui/kernel/qcocoawindow_mac_p.h
+++ b/src/gui/kernel/qcocoawindow_mac_p.h
@@ -73,9 +73,12 @@ QT_FORWARD_DECLARE_CLASS(QStringList);
 
 @interface QT_MANGLE_NAMESPACE(QCocoaWindow) : NSWindow {
     bool leftButtonIsRightButton;
+    QStringList *currentCustomDragTypes;
 }
 
 + (Class)frameViewClassForStyleMask:(NSUInteger)styleMask;
+- (void)registerDragTypes;
+
 @end
 #endif
 
diff --git a/src/gui/kernel/qcocoawindowdelegate_mac.mm b/src/gui/kernel/qcocoawindowdelegate_mac.mm
index db8749190a..24498f8cc0 100644
--- a/src/gui/kernel/qcocoawindowdelegate_mac.mm
+++ b/src/gui/kernel/qcocoawindowdelegate_mac.mm
@@ -269,9 +269,6 @@ static void cleanupCocoaWindowDelegate()
 {
     QWidget *qwidget = m_windowHash->value([notification object]);
     Q_ASSERT(qwidget);
-    if (qwidget->isActiveWindow())
-        return;  // Widget is already active, no need to go through re-activation.
-
     onApplicationWindowChangedActivation(qwidget, true);
 }
 
@@ -288,10 +285,6 @@ static void cleanupCocoaWindowDelegate()
 {
     QWidget *qwidget = m_windowHash->value([notification object]);
     Q_ASSERT(qwidget);
-    if (qwidget->isActiveWindow())
-        return;  // Widget is already active, no need to go through re-activation
-
-
     onApplicationWindowChangedActivation(qwidget, true);
 }
 
diff --git a/src/gui/kernel/qcursor.cpp b/src/gui/kernel/qcursor.cpp
index 0f0470c752..f38e4f5c1c 100644
--- a/src/gui/kernel/qcursor.cpp
+++ b/src/gui/kernel/qcursor.cpp
@@ -141,6 +141,12 @@ QT_BEGIN_NAMESPACE
          \o Qt::WhatsThisCursor \o \c whats_this
          \o \inlineimage      cursor-closedhand.png
          \o Qt::ClosedHandCursor \o \c closedhand
+    \row \o
+         \o Qt::DragMoveCursor      \o \c dnd-move or \c move
+         \o
+         \o Qt::DragCopyCursor      \o \c dnd-copy or \c copy
+    \row \o
+         \o Qt::DragLinkCursor      \o \c dnd-link or \c link
     \endtable
 
     \sa QWidget, {fowler}{GUI Design Handbook: Cursors}
diff --git a/src/gui/kernel/qcursor_mac.mm b/src/gui/kernel/qcursor_mac.mm
index 48bb9cc709..cfebf606b7 100644
--- a/src/gui/kernel/qcursor_mac.mm
+++ b/src/gui/kernel/qcursor_mac.mm
@@ -424,6 +424,18 @@ void QCursorData::update()
         type = QCursorData::TYPE_ThemeCursor;
         curs.cp.nscursor = [NSCursor closedHandCursor];
         break;
+    case Qt::DragCopyCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.cp.nscursor = [NSCursor dragCopyCursor];
+        break;
+    case Qt::DragMoveCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.cp.nscursor = [NSCursor arrowCursor];
+        break;
+    case Qt::DragLinkCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.cp.nscursor = [NSCursor dragLinkCursor];
+        break;
 #define QT_USE_APPROXIMATE_CURSORS
 #ifdef QT_USE_APPROXIMATE_CURSORS
     case Qt::SizeVerCursor:
@@ -519,6 +531,18 @@ void QCursorData::update()
         type = QCursorData::TYPE_ThemeCursor;
         curs.tc.curs = kThemeClosedHandCursor;
         break;
+    case Qt::DragMoveCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.tc.curs = kThemeArrowCursor;
+        break;
+    case Qt::DragCopyCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.tc.curs = kThemeCopyArrowCursor;
+        break;
+    case Qt::DragLinkCursor:
+        type = QCursorData::TYPE_ThemeCursor;
+        curs.tc.curs = kThemeAliasArrowCursor;
+        break;
 #define QT_USE_APPROXIMATE_CURSORS
 #ifdef QT_USE_APPROXIMATE_CURSORS
     case Qt::SizeVerCursor:
diff --git a/src/gui/kernel/qcursor_win.cpp b/src/gui/kernel/qcursor_win.cpp
index 6f651d4fab..ae1c004e39 100644
--- a/src/gui/kernel/qcursor_win.cpp
+++ b/src/gui/kernel/qcursor_win.cpp
@@ -47,6 +47,7 @@
 
 #include <qimage.h>
 #include <qt_windows.h>
+#include <private/qapplication_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -470,6 +471,12 @@ void QCursorData::update()
 #endif
         return;
     }
+    case Qt::DragCopyCursor:
+    case Qt::DragMoveCursor:
+    case Qt::DragLinkCursor: {
+        QPixmap pixmap = QApplicationPrivate::instance()->getPixmapCursor(cshape);
+        hcurs = create32BitCursor(pixmap, hx, hy);
+    }
     default:
         qWarning("QCursor::update: Invalid cursor shape %d", cshape);
         return;
diff --git a/src/gui/kernel/qcursor_x11.cpp b/src/gui/kernel/qcursor_x11.cpp
index 3e833638a2..4e871a6e1f 100644
--- a/src/gui/kernel/qcursor_x11.cpp
+++ b/src/gui/kernel/qcursor_x11.cpp
@@ -39,9 +39,11 @@
 **
 ****************************************************************************/
 
+#include <qdebug.h>
 #include <qdatastream.h>
 #include <private/qcursor_p.h>
 #include <private/qt_x11_p.h>
+#include <private/qapplication_p.h>
 #include <qbitmap.h>
 #include <qcursor.h>
 #include <X11/cursorfont.h>
@@ -57,6 +59,7 @@
 #endif // QT_NO_XFIXES
 
 #include "qx11info_x11.h"
+#include <private/qpixmap_x11_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -262,12 +265,31 @@ void QCursorData::update()
         "whats_this",
         "left_ptr_watch",
         "openhand",
-        "closedhand"
+        "closedhand",
+        "copy",
+        "move",
+        "link"
     };
 
 #ifndef QT_NO_XCURSOR
-    if (X11->ptrXcursorLibraryLoadCursor)
-        hcurs = X11->ptrXcursorLibraryLoadCursor(dpy, cursorNames[cshape]);
+    if (X11->ptrXcursorLibraryLoadCursor) {
+        // special case for non-standard dnd-* cursors
+        switch (cshape) {
+        case Qt::DragCopyCursor:
+            hcurs = X11->ptrXcursorLibraryLoadCursor(dpy, "dnd-copy");
+            break;
+        case Qt::DragMoveCursor:
+            hcurs = X11->ptrXcursorLibraryLoadCursor(dpy, "dnd-move");
+            break;
+        case Qt::DragLinkCursor:
+            hcurs = X11->ptrXcursorLibraryLoadCursor(dpy, "dnd-link");
+            break;
+        default:
+            break;
+        }
+        if (!hcurs)
+            hcurs = X11->ptrXcursorLibraryLoadCursor(dpy, cursorNames[cshape]);
+    }
     if (hcurs)
         return;
 #endif // QT_NO_XCURSOR
@@ -504,6 +526,19 @@ void QCursorData::update()
         pm  = XCreateBitmapFromData(dpy, rootwin, open ? openhand_bits : closedhand_bits, 16, 16);
         pmm = XCreateBitmapFromData(dpy, rootwin, open ? openhandm_bits : closedhandm_bits, 16, 16);
         hcurs = XCreatePixmapCursor(dpy, pm, pmm, &fg, &bg, 8, 8);
+    } else if (cshape == Qt::DragCopyCursor || cshape == Qt::DragMoveCursor
+               || cshape == Qt::DragLinkCursor) {
+        XColor bg, fg;
+        bg.red   = 255 << 8;
+        bg.green = 255 << 8;
+        bg.blue  = 255 << 8;
+        fg.red   = 0;
+        fg.green = 0;
+        fg.blue  = 0;
+        QImage image = QApplicationPrivate::instance()->getPixmapCursor(cshape).toImage();
+        pm = QX11PixmapData::createBitmapFromImage(image);
+        pmm = QX11PixmapData::createBitmapFromImage(image.createAlphaMask().convertToFormat(QImage::Format_MonoLSB));
+        hcurs = XCreatePixmapCursor(dpy, pm, pmm, &fg, &bg, 8, 8);
     }
 
     if (hcurs)
@@ -577,6 +612,15 @@ void QCursorData::update()
     case Qt::BusyCursor:
         sh = XC_watch;
         break;
+    case Qt::DragCopyCursor:
+        sh = XC_tcross;
+        break;
+    case Qt::DragLinkCursor:
+        sh = XC_center_ptr;
+        break;
+    case Qt::DragMoveCursor:
+        sh = XC_top_left_arrow;
+        break;
 #endif /* QT_USE_APPROXIMATE_CURSORS */
     default:
         qWarning("QCursor::update: Invalid cursor shape %d", cshape);
diff --git a/src/gui/kernel/qdnd.cpp b/src/gui/kernel/qdnd.cpp
index 21438a8b8a..2b3a3d08c1 100644
--- a/src/gui/kernel/qdnd.cpp
+++ b/src/gui/kernel/qdnd.cpp
@@ -60,204 +60,12 @@
 #include "qdebug.h"
 #include <ctype.h>
 
+#include <private/qapplication_p.h>
+
 #ifndef QT_NO_DRAGANDDROP
 
 QT_BEGIN_NAMESPACE
 
-// These pixmaps approximate the images in the Windows User Interface Guidelines.
-
-// XPM
-
-static const char * const move_xpm[] = {
-"11 20 3 1",
-".        c None",
-#if defined(Q_WS_WIN)
-"a        c #000000",
-"X        c #FFFFFF", // Windows cursor is traditionally white
-#else
-"a        c #FFFFFF",
-"X        c #000000", // X11 cursor is traditionally black
-#endif
-"aa.........",
-"aXa........",
-"aXXa.......",
-"aXXXa......",
-"aXXXXa.....",
-"aXXXXXa....",
-"aXXXXXXa...",
-"aXXXXXXXa..",
-"aXXXXXXXXa.",
-"aXXXXXXXXXa",
-"aXXXXXXaaaa",
-"aXXXaXXa...",
-"aXXaaXXa...",
-"aXa..aXXa..",
-"aa...aXXa..",
-"a.....aXXa.",
-"......aXXa.",
-".......aXXa",
-".......aXXa",
-"........aa."};
-
-#ifdef Q_WS_WIN
-/* XPM */
-static const char * const ignore_xpm[] = {
-"24 30 3 1",
-".        c None",
-"a        c #000000",
-"X        c #FFFFFF",
-"aa......................",
-"aXa.....................",
-"aXXa....................",
-"aXXXa...................",
-"aXXXXa..................",
-"aXXXXXa.................",
-"aXXXXXXa................",
-"aXXXXXXXa...............",
-"aXXXXXXXXa..............",
-"aXXXXXXXXXa.............",
-"aXXXXXXaaaa.............",
-"aXXXaXXa................",
-"aXXaaXXa................",
-"aXa..aXXa...............",
-"aa...aXXa...............",
-"a.....aXXa..............",
-"......aXXa.....XXXX.....",
-".......aXXa..XXaaaaXX...",
-".......aXXa.XaaaaaaaaX..",
-"........aa.XaaaXXXXaaaX.",
-"...........XaaaaX..XaaX.",
-"..........XaaXaaaX..XaaX",
-"..........XaaXXaaaX.XaaX",
-"..........XaaX.XaaaXXaaX",
-"..........XaaX..XaaaXaaX",
-"...........XaaX..XaaaaX.",
-"...........XaaaXXXXaaaX.",
-"............XaaaaaaaaX..",
-".............XXaaaaXX...",
-"...............XXXX....."};
-#endif
-
-/* XPM */
-static const char * const copy_xpm[] = {
-"24 30 3 1",
-".        c None",
-"a        c #000000",
-"X        c #FFFFFF",
-#if defined(Q_WS_WIN) // Windows cursor is traditionally white
-"aa......................",
-"aXa.....................",
-"aXXa....................",
-"aXXXa...................",
-"aXXXXa..................",
-"aXXXXXa.................",
-"aXXXXXXa................",
-"aXXXXXXXa...............",
-"aXXXXXXXXa..............",
-"aXXXXXXXXXa.............",
-"aXXXXXXaaaa.............",
-"aXXXaXXa................",
-"aXXaaXXa................",
-"aXa..aXXa...............",
-"aa...aXXa...............",
-"a.....aXXa..............",
-"......aXXa..............",
-".......aXXa.............",
-".......aXXa.............",
-"........aa...aaaaaaaaaaa",
-#else
-"XX......................",
-"XaX.....................",
-"XaaX....................",
-"XaaaX...................",
-"XaaaaX..................",
-"XaaaaaX.................",
-"XaaaaaaX................",
-"XaaaaaaaX...............",
-"XaaaaaaaaX..............",
-"XaaaaaaaaaX.............",
-"XaaaaaaXXXX.............",
-"XaaaXaaX................",
-"XaaXXaaX................",
-"XaX..XaaX...............",
-"XX...XaaX...............",
-"X.....XaaX..............",
-"......XaaX..............",
-".......XaaX.............",
-".......XaaX.............",
-"........XX...aaaaaaaaaaa",
-#endif
-".............aXXXXXXXXXa",
-".............aXXXXXXXXXa",
-".............aXXXXaXXXXa",
-".............aXXXXaXXXXa",
-".............aXXaaaaaXXa",
-".............aXXXXaXXXXa",
-".............aXXXXaXXXXa",
-".............aXXXXXXXXXa",
-".............aXXXXXXXXXa",
-".............aaaaaaaaaaa"};
-
-/* XPM */
-static const char * const link_xpm[] = {
-"24 30 3 1",
-".        c None",
-"a        c #000000",
-"X        c #FFFFFF",
-#if defined(Q_WS_WIN) // Windows cursor is traditionally white
-"aa......................",
-"aXa.....................",
-"aXXa....................",
-"aXXXa...................",
-"aXXXXa..................",
-"aXXXXXa.................",
-"aXXXXXXa................",
-"aXXXXXXXa...............",
-"aXXXXXXXXa..............",
-"aXXXXXXXXXa.............",
-"aXXXXXXaaaa.............",
-"aXXXaXXa................",
-"aXXaaXXa................",
-"aXa..aXXa...............",
-"aa...aXXa...............",
-"a.....aXXa..............",
-"......aXXa..............",
-".......aXXa.............",
-".......aXXa.............",
-"........aa...aaaaaaaaaaa",
-#else
-"XX......................",
-"XaX.....................",
-"XaaX....................",
-"XaaaX...................",
-"XaaaaX..................",
-"XaaaaaX.................",
-"XaaaaaaX................",
-"XaaaaaaaX...............",
-"XaaaaaaaaX..............",
-"XaaaaaaaaaX.............",
-"XaaaaaaXXXX.............",
-"XaaaXaaX................",
-"XaaXXaaX................",
-"XaX..XaaX...............",
-"XX...XaaX...............",
-"X.....XaaX..............",
-"......XaaX..............",
-".......XaaX.............",
-".......XaaX.............",
-"........XX...aaaaaaaaaaa",
-#endif
-".............aXXXXXXXXXa",
-".............aXXXaaaaXXa",
-".............aXXXXaaaXXa",
-".............aXXXaaaaXXa",
-".............aXXaaaXaXXa",
-".............aXXaaXXXXXa",
-".............aXXaXXXXXXa",
-".............aXXXaXXXXXa",
-".............aXXXXXXXXXa",
-".............aaaaaaaaaaa"};
-
 #ifndef QT_NO_DRAGANDDROP
 
 //#define QDND_DEBUG
@@ -326,22 +134,9 @@ QDragManager::QDragManager()
 {
     Q_ASSERT(!instance);
 
-#ifdef Q_WS_WIN
-    n_cursor = 4;
-#else
-    n_cursor = 3;
-#endif
-
 #ifdef Q_WS_QWS
     currentActionForOverrideCursor = Qt::IgnoreAction;
 #endif
-    pm_cursor = new QPixmap[n_cursor];
-    pm_cursor[0] = QPixmap((const char **)move_xpm);
-    pm_cursor[1] = QPixmap((const char **)copy_xpm);
-    pm_cursor[2] = QPixmap((const char **)link_xpm);
-#ifdef Q_WS_WIN
-    pm_cursor[3] = QPixmap((const char **)ignore_xpm);
-#endif
     object = 0;
     beingCancelled = false;
     restoreCursor = false;
@@ -362,7 +157,6 @@ QDragManager::~QDragManager()
         QApplication::restoreOverrideCursor();
 #endif
     instance = 0;
-    delete [] pm_cursor;
     delete dropData;
 }
 
@@ -379,14 +173,14 @@ QPixmap QDragManager::dragCursor(Qt::DropAction action) const
     if (d && d->customCursors.contains(action))
         return d->customCursors[action];
     else if (action == Qt::MoveAction)
-        return pm_cursor[0];
+        return QApplicationPrivate::instance()->getPixmapCursor(Qt::DragMoveCursor);
     else if (action == Qt::CopyAction)
-        return pm_cursor[1];
+        return QApplicationPrivate::instance()->getPixmapCursor(Qt::DragCopyCursor);
     else if (action == Qt::LinkAction)
-        return pm_cursor[2];
+        return QApplicationPrivate::instance()->getPixmapCursor(Qt::DragLinkCursor);
 #ifdef Q_WS_WIN
     else if (action == Qt::IgnoreAction)
-        return pm_cursor[3];
+        return QApplicationPrivate::instance()->getPixmapCursor(Qt::ForbiddenCursor);
 #endif
     return QPixmap();
 }
diff --git a/src/gui/kernel/qdnd_p.h b/src/gui/kernel/qdnd_p.h
index d70b983c30..033e6a6702 100644
--- a/src/gui/kernel/qdnd_p.h
+++ b/src/gui/kernel/qdnd_p.h
@@ -261,8 +261,6 @@ public:
 #endif
 
 private:
-    QPixmap *pm_cursor;
-    int n_cursor;
 #ifdef Q_WS_QWS
     Qt::DropAction currentActionForOverrideCursor;
 #endif
diff --git a/src/gui/kernel/qdnd_s60.cpp b/src/gui/kernel/qdnd_s60.cpp
index 24f0090aae..1aa30af0f7 100644
--- a/src/gui/kernel/qdnd_s60.cpp
+++ b/src/gui/kernel/qdnd_s60.cpp
@@ -52,7 +52,7 @@
 #include "qdnd_p.h"
 #include "qt_s60_p.h"
 
-#include <COECNTRL.H>
+#include <coecntrl.h>
 // pointer cursor
 #include <w32std.h>
 #include <gdi.h>
diff --git a/src/gui/kernel/qdnd_x11.cpp b/src/gui/kernel/qdnd_x11.cpp
index 33968bd9fc..9591b9a36c 100644
--- a/src/gui/kernel/qdnd_x11.cpp
+++ b/src/gui/kernel/qdnd_x11.cpp
@@ -1340,9 +1340,9 @@ void QDragManager::updateCursor()
     if (!noDropCursor) {
 #ifndef QT_NO_CURSOR
         noDropCursor = new QCursor(Qt::ForbiddenCursor);
-        moveCursor = new QCursor(dragCursor(Qt::MoveAction), 0,0);
-        copyCursor = new QCursor(dragCursor(Qt::CopyAction), 0,0);
-        linkCursor = new QCursor(dragCursor(Qt::LinkAction), 0,0);
+        moveCursor = new QCursor(Qt::DragMoveCursor);
+        copyCursor = new QCursor(Qt::DragCopyCursor);
+        linkCursor = new QCursor(Qt::DragLinkCursor);
 #endif
     }
 
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index c7c7caf74a..c7d042df09 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -90,11 +90,16 @@
 
 #ifndef QT_NO_THREAD
 #  include "qmutex.h"
+#endif
 
 QT_BEGIN_NAMESPACE
 
 QT_USE_NAMESPACE
-#endif
+
+/*****************************************************************************
+  Internal variables and functions
+ *****************************************************************************/
+bool qt_blockCocoaSettingModalWindowLevel = false;
 
 /*****************************************************************************
   Externals
@@ -540,6 +545,12 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
 {
     Q_D(QEventDispatcherMac);
     d->interrupt = false;
+
+#ifdef QT_MAC_USE_COCOA
+    bool interruptLater = false;
+    QtMacInterruptDispatcherHelp::cancelInterruptLater();
+#endif
+
     // In case we end up recursing while we now process events, make sure
     // that we send remaining posted Qt events before this call returns:
     wakeUp();
@@ -554,25 +565,25 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
         QMacCocoaAutoReleasePool pool;
         NSEvent* event = 0;
 
-        // If Qt is used as a plugin, or just added into a native cocoa
-        // application, we should not run or stop NSApplication;
-        // This will be done from outside Qt.
-        // And if processEvents is called manually (rather than from QEventLoop), we
-        // cannot enter a tight loop and block the call, but instead return after one flush:
-        bool canExec_3rdParty = d->nsAppRunCalledByQt || ![NSApp isRunning];
-        bool canExec_Qt = flags & QEventLoop::DialogExec || flags & QEventLoop::EventLoopExec;
+        // If Qt is used as a plugin, or as an extension in a native cocoa
+        // application, we should not run or stop NSApplication; This will be
+        // done from the application itself. And if processEvents is called
+        // manually (rather than from a QEventLoop), we cannot enter a tight
+        // loop and block this call, but instead we need to return after one flush:
+        const bool canExec_3rdParty = d->nsAppRunCalledByQt || ![NSApp isRunning];
+        const bool canExec_Qt = flags & QEventLoop::DialogExec || flags & QEventLoop::EventLoopExec;
 
         if (canExec_Qt && canExec_3rdParty) {
             // We can use exec-mode, meaning that we can stay in a tight loop until
-            // interrupted. This is mostly an optimization, but it also allow us
-            // to use [NSApp run], which is the recommended way of running applications
-            // in cocoa. [NSApp run] should be called at least once for any cocoa app.
+            // interrupted. This is mostly an optimization, but it allow us to use
+            // [NSApp run], which is the normal code path for cocoa applications.
             if (NSModalSession session = d->currentModalSession()) {
                 QBoolBlocker execGuard(d->currentExecIsNSAppRun, false);
                 while ([NSApp runModalSession:session] == NSRunContinuesResponse && !d->interrupt)
                     qt_mac_waitForMoreModalSessionEvents();
+
                 if (!d->interrupt && session == d->currentModalSessionCached) {
-                    // INVARIANT: Someone called e.g. [NSApp stopModal:] from outside the event
+                    // Someone called [NSApp stopModal:] from outside the event
                     // dispatcher (e.g to stop a native dialog). But that call wrongly stopped
                     // 'session' as well. As a result, we need to restart all internal sessions:
                     d->temporarilyStopAllModalSessions();
@@ -583,54 +594,63 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
                 [NSApp run];
             }
             retVal = true;
-        } else do {
-            // INVARIANT: We cannot block the thread (and run in a tight loop).
+        } else {
+            // We cannot block the thread (and run in a tight loop).
             // Instead we will process all current pending events and return.
-            bool mustRelease = false;
-
-            if (!(flags & QEventLoop::ExcludeUserInputEvents) && !d->queuedUserInputEvents.isEmpty()) {
-                // Process a pending user input event
-                mustRelease = true;
-                event = static_cast<NSEvent *>(d->queuedUserInputEvents.takeFirst());
-            } else {
-                if (NSModalSession session = d->currentModalSession()) {
-                    if (flags & QEventLoop::WaitForMoreEvents)
-                        qt_mac_waitForMoreModalSessionEvents();
-                    NSInteger status = [NSApp runModalSession:session];
-                    if (status != NSRunContinuesResponse && session == d->currentModalSessionCached) {
-                        // INVARIANT: Someone called e.g. [NSApp stopModal:] from outside the event
-                        // dispatcher (e.g to stop a native dialog). But that call wrongly stopped
-                        // 'session' as well. As a result, we need to restart all internal sessions:
-                        d->temporarilyStopAllModalSessions();
-                    }
-                    retVal = true;
-                    break;
+            d->ensureNSAppInitialized();
+            do {
+                bool releaseEvent = false;
+
+                if (!(flags & QEventLoop::ExcludeUserInputEvents)
+                        && !d->queuedUserInputEvents.isEmpty()) {
+                    // Process a pending user input event
+                    releaseEvent = true;
+                    event = static_cast<NSEvent *>(d->queuedUserInputEvents.takeFirst());
                 } else {
-                    event = [NSApp nextEventMatchingMask:NSAnyEventMask
-                        untilDate:nil
-                        inMode:NSDefaultRunLoopMode
-                        dequeue: YES];
-
-                    if (event != nil) {
-                        if (flags & QEventLoop::ExcludeUserInputEvents) {
-                            if (IsMouseOrKeyEvent(event)) {
-                                // retain event here?
-                                [event retain];
-                                d->queuedUserInputEvents.append(event);
-                                continue;
+                    if (NSModalSession session = d->currentModalSession()) {
+                        if (flags & QEventLoop::WaitForMoreEvents)
+                            qt_mac_waitForMoreModalSessionEvents();
+                        NSInteger status = [NSApp runModalSession:session];
+                        if (status != NSRunContinuesResponse && session == d->currentModalSessionCached) {
+                            // INVARIANT: Someone called [NSApp stopModal:] from outside the event
+                            // dispatcher (e.g to stop a native dialog). But that call wrongly stopped
+                            // 'session' as well. As a result, we need to restart all internal sessions:
+                            d->temporarilyStopAllModalSessions();
+                        }
+                        retVal = true;
+                        break;
+                    } else {
+                        event = [NSApp nextEventMatchingMask:NSAnyEventMask
+                            untilDate:nil
+                            inMode:NSDefaultRunLoopMode
+                            dequeue: YES];
+
+                        if (event != nil) {
+                            if (flags & QEventLoop::ExcludeUserInputEvents) {
+                                if (IsMouseOrKeyEvent(event)) {
+                                    [event retain];
+                                    d->queuedUserInputEvents.append(event);
+                                    continue;
+                                }
                             }
                         }
                     }
                 }
-            }
-            if (event) {
-                if (!filterEvent(event) && qt_mac_send_event(flags, event, 0))
-                    retVal = true;
-                if (mustRelease)
-                    [event release];
-            }
-        } while(!d->interrupt && event != nil);
-
+                if (event) {
+                    if (!filterEvent(event) && qt_mac_send_event(flags, event, 0))
+                        retVal = true;
+                    if (releaseEvent)
+                        [event release];
+                }
+            } while (!d->interrupt && event != nil);
+
+            // Since the window that holds modality might have changed while processing
+            // events, we we need to interrupt when we return back the previous process
+            // event recursion to ensure that we spin the correct modal session.
+            // We do the interruptLater at the end of the function to ensure that we don't
+            // disturb the 'wait for more events' below (as deleteLater will post an event):
+            interruptLater = true;
+        }
 #else
         do {
             EventRef event;
@@ -682,25 +702,19 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
         }
     }
 
+    // If we're interrupted, we need to interrupt the _current_
+    // recursion as well to check if it is  still supposed to be
+    // executing. This way we wind down the stack until we land
+    // on a recursion that again calls processEvents (typically
+    // from QEventLoop), and set interrupt to false:
+    if (d->interrupt)
+        interrupt();
+
 #ifdef QT_MAC_USE_COCOA
-    // In case we _now_ process events using [NSApp run], we need to stop it to
-    // ensure that:
-    //    1. the QEventLoop that called us is still executing, or
-    //    2. we have a modal session that needs to be spun instead.
-    // In case this is a plain call to processEvents (perhaps from a loop) 
-    // from the application (rather than from a QEventLoop), we delay the
-    // interrupting until we/ actually enter a lower loop level (hence the
-    // deffered delete of the object below):
-    QtMacInterruptDispatcherHelp::interruptLater();
+    if (interruptLater)
+        QtMacInterruptDispatcherHelp::interruptLater();
 #endif
 
-    if (d->interrupt) {
-        // We should continue to leave all recursion to processEvents until
-        // processEvents is called again (e.g. from a QEventLoop that 
-        // was not yet told to quit:
-        interrupt();
-    }
-
     return retVal;
 }
 
@@ -729,39 +743,60 @@ void QEventDispatcherMac::flush()
  *****************************************************************************/
 MacTimerHash QEventDispatcherMacPrivate::macTimerHash;
 bool QEventDispatcherMacPrivate::blockSendPostedEvents = false;
+bool QEventDispatcherMacPrivate::interrupt = false;
 
 #ifdef QT_MAC_USE_COCOA
 QStack<QCocoaModalSessionInfo> QEventDispatcherMacPrivate::cocoaModalSessionStack;
 bool QEventDispatcherMacPrivate::currentExecIsNSAppRun = false;
+bool QEventDispatcherMacPrivate::modalSessionsTemporarilyStopped = false;
 bool QEventDispatcherMacPrivate::nsAppRunCalledByQt = false;
+bool QEventDispatcherMacPrivate::cleanupModalSessionsNeeded = false;
 NSModalSession QEventDispatcherMacPrivate::currentModalSessionCached = 0;
 
-int QEventDispatcherMacPrivate::activeModalSessionCount()
+void QEventDispatcherMacPrivate::ensureNSAppInitialized()
 {
-    // Returns the number of modal sessions created
-    // (and not just pushed onto the stack, pending to be created)
-    int count = 0;
-    for (int i=cocoaModalSessionStack.size()-1; i>=0; --i) {
-        QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
-        if (info.session)
-            ++count;
-    }
-    return count;
+    // Some elements in Cocoa require NSApplication to be running before
+    // they get fully initialized, in particular the menu bar. This
+    // function is intended for cases where a dialog is told to execute before
+    // QApplication::exec is called, or the application spins the events loop
+    // manually rather than calling QApplication:exec.
+    // The function makes sure that NSApplication starts running, but stops
+    // it again as soon as the send posted events callback is called. That way
+    // we let Cocoa finish the initialization it seems to need. We'll only
+    // apply this trick at most once for any application, and we avoid doing it
+    // for the common case where main just starts QApplication::exec.
+    if (nsAppRunCalledByQt || [NSApp isRunning])
+        return;
+    nsAppRunCalledByQt = true;
+    QBoolBlocker block1(interrupt, true);
+    QBoolBlocker block2(currentExecIsNSAppRun, true);
+    [NSApp run];
 }
 
 void QEventDispatcherMacPrivate::temporarilyStopAllModalSessions()
 {
-    // Stop all created modal session, and as such, make then
-    // pending again. The next call to currentModalSession will
-    // recreate the session on top again:
+    // Flush, and Stop, all created modal session, and as
+    // such, make them pending again. The next call to
+    // currentModalSession will recreate them again. The
+    // reason to stop all session like this is that otherwise
+    // a call [NSApp stop] would not stop NSApp, but rather
+    // the current modal session. So if we need to stop NSApp
+    // we need to stop all the modal session first. To avoid changing
+    // the stacking order of the windows while doing so, we put
+    // up a block that is used in QCocoaWindow and QCocoaPanel:
+    QBoolBlocker block1(blockSendPostedEvents, true);
+    QBoolBlocker block2(qt_blockCocoaSettingModalWindowLevel, true);
+
     int stackSize = cocoaModalSessionStack.size();
     for (int i=stackSize-1; i>=0; --i) {
         QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
         if (info.session) {
+            [NSApp runModalSession:info.session];
             [NSApp endModalSession:info.session];
             info.session = 0;
         }
     }
+    modalSessionsTemporarilyStopped = true;
     currentModalSessionCached = 0;
 }
 
@@ -775,23 +810,6 @@ NSModalSession QEventDispatcherMacPrivate::currentModalSession()
     if (cocoaModalSessionStack.isEmpty())
         return 0;
 
-    // Since this code will end up calling our Qt event handler
-    // (also from beginModalSessionForWindow), we need to block
-    // that to avoid side effects of events beeing delivered:
-    QBoolBlocker block(blockSendPostedEvents, true);
-
-    if (![NSApp isRunning]) {
-        // Sadly, we need to introduce this little event flush
-        // to stop dialogs from blinking/poping in front if a 
-        // modal session restart was needed:
-        while (NSEvent *event = [NSApp nextEventMatchingMask:0
-                untilDate:nil
-                inMode:NSDefaultRunLoopMode
-                dequeue: YES]) {
-            qt_mac_send_event(0, event, 0);
-        }
-    }
-
     int sessionCount = cocoaModalSessionStack.size();
     for (int i=0; i<sessionCount; ++i) {
         QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
@@ -804,11 +822,28 @@ NSModalSession QEventDispatcherMacPrivate::currentModalSession()
             NSWindow *window = qt_mac_window_for(info.widget);
             if (!window)
                 continue;
+
+            ensureNSAppInitialized();
+            QBoolBlocker block1(blockSendPostedEvents, true);
             info.session = [NSApp beginModalSessionForWindow:window];
         }
         currentModalSessionCached = info.session;
     }
 
+    if (modalSessionsTemporarilyStopped && currentModalSessionCached) {
+        // After a call to temporarilyStopAllModalSessions, cocoa have
+        // now posted events to restore ended modal session windows to
+        // the correct window level. Those events will be processed
+        // _after_ our new calls to beginModalSessionForWindow have
+        // taken effect, which will end up stacking the windows wrong on
+        // screen. To work around this, we block cocoa from changing the
+        // stacking order of the windows, and flush out the pending events
+        // (the block is used in QCocoaWindow and QCocoaPanel):
+        QBoolBlocker block1(blockSendPostedEvents, true);
+        QBoolBlocker block2(qt_blockCocoaSettingModalWindowLevel, true);
+        [NSApp runModalSession:currentModalSessionCached];
+    }
+    modalSessionsTemporarilyStopped = false;
     return currentModalSessionCached;
 }
 
@@ -844,6 +879,34 @@ void QEventDispatcherMacPrivate::updateChildrenWorksWhenModal()
     }
 }
 
+void QEventDispatcherMacPrivate::cleanupModalSessions()
+{
+    // Go through the list of modal sessions, and end those
+    // that no longer has a widget assosiated; no widget means
+    // the the session has logically ended. The reason we wait like
+    // this to actually end the sessions for real (rather than at the
+    // point they were marked as stopped), is that ending a session
+    // when no other session runs below it on the stack will make cocoa
+    // drop some events on the floor. 
+    QMacCocoaAutoReleasePool pool;
+    int stackSize = cocoaModalSessionStack.size();
+
+    for (int i=stackSize-1; i>=0; --i) {
+        QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
+        if (info.widget) {
+            currentModalSessionCached = info.session;
+            break;
+        }
+        cocoaModalSessionStack.remove(i);
+        currentModalSessionCached = 0;
+        if (info.session)
+            [NSApp endModalSession:info.session];
+    }
+
+    updateChildrenWorksWhenModal();
+    cleanupModalSessionsNeeded = false;
+}
+
 void QEventDispatcherMacPrivate::beginModalSession(QWidget *widget)
 {
     // Add a new, empty (null), NSModalSession to the stack.
@@ -852,7 +915,7 @@ void QEventDispatcherMacPrivate::beginModalSession(QWidget *widget)
     // is non-zero, and the session pointer is zero (it will become active upon a call to
     // currentModalSession). A QCocoaModalSessionInfo is considered pending to be stopped if
     // the widget pointer is zero, and the session pointer is non-zero (it will be fully
-    // stopped in endModalSession().
+    // stopped in cleanupModalSessions()).
     QCocoaModalSessionInfo info = {widget, 0};
     cocoaModalSessionStack.push(info);
     updateChildrenWorksWhenModal();
@@ -869,38 +932,21 @@ void QEventDispatcherMacPrivate::endModalSession(QWidget *widget)
     int stackSize = cocoaModalSessionStack.size();
     for (int i=stackSize-1; i>=0; --i) {
         QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
-        if (info.widget == widget)
+        if (info.widget == widget) {
             info.widget = 0;
-    }
-
-    // Now we stop, and remove, all sessions marked as pending
-    // to be stopped on _top_ of the stack, if any:
-    bool needToInterruptEventDispatcher = false;
-    bool needToUpdateChildrenWorksWhenModal = false;
-
-    for (int i=stackSize-1; i>=0; --i) {
-        QCocoaModalSessionInfo &info = cocoaModalSessionStack[i];
-        if (info.widget)
-            break;
-        cocoaModalSessionStack.remove(i);
-        needToUpdateChildrenWorksWhenModal = true;
-        currentModalSessionCached = 0;
-        if (info.session) {
-            [NSApp endModalSession:info.session];
-            needToInterruptEventDispatcher = true;
+            if (i == stackSize-1) {
+                // The top sessions ended. Interrupt the event dispatcher
+                // to start spinning the correct session immidiatly: 
+                cleanupModalSessionsNeeded = true;
+                QEventDispatcherMac::instance()->interrupt();
+            }
         }
     }
-
-    if (needToUpdateChildrenWorksWhenModal)
-        updateChildrenWorksWhenModal();
-    if (needToInterruptEventDispatcher)
-        QEventDispatcherMac::instance()->interrupt();
 }
 
 #endif
 
 QEventDispatcherMacPrivate::QEventDispatcherMacPrivate()
-    : interrupt(false)
 {
 }
 
@@ -959,13 +1005,39 @@ Boolean QEventDispatcherMacPrivate::postedEventSourceEqualCallback(const void *i
 
 inline static void processPostedEvents(QEventDispatcherMacPrivate *const d, const bool blockSendPostedEvents)
 {
-    if (blockSendPostedEvents || d->interrupt) {
+    if (blockSendPostedEvents) {
+        // We're told to not send posted events (because the event dispatcher
+        // is currently working on setting up the correct session to run). But
+        // we still need to make sure that we don't fall asleep until pending events
+        // are sendt, so we just signal this need, and return:
         CFRunLoopSourceSignal(d->postedEventsSource);
-    } else {
-        if (!d->threadData->canWait || (d->serialNumber != d->lastSerial)) {
-            d->lastSerial = d->serialNumber;
-            QApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
+        return;
+    }
+
+#ifdef QT_MAC_USE_COCOA
+    if (d->cleanupModalSessionsNeeded)
+        d->cleanupModalSessions();
+#endif
+
+    if (d->interrupt) {
+#ifdef QT_MAC_USE_COCOA
+        if (d->currentExecIsNSAppRun) {
+            // The event dispatcher has been interrupted. But since
+            // [NSApplication run] is running the event loop, we
+            // delayed stopping it until now (to let cocoa process 
+            // pending cocoa events first).
+            if (d->currentModalSessionCached)
+                d->temporarilyStopAllModalSessions();
+            [NSApp stop:NSApp];
+            d->cancelWaitForMoreEvents();
         }
+#endif
+        return;
+    }
+
+    if (!d->threadData->canWait || (d->serialNumber != d->lastSerial)) {
+        d->lastSerial = d->serialNumber;
+        QApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
     }
 }
 
@@ -975,6 +1047,9 @@ void QEventDispatcherMacPrivate::firstLoopEntry(CFRunLoopObserverRef ref,
 {
     Q_UNUSED(ref);
     Q_UNUSED(activity);
+#ifdef QT_MAC_USE_COCOA
+    QApplicationPrivate::qt_initAfterNSAppStarted();
+#endif
     processPostedEvents(static_cast<QEventDispatcherMacPrivate *>(info), blockSendPostedEvents);
 }
 
@@ -983,6 +1058,19 @@ void QEventDispatcherMacPrivate::postedEventsSourcePerformCallback(void *info)
     processPostedEvents(static_cast<QEventDispatcherMacPrivate *>(info), blockSendPostedEvents);
 }
 
+#ifdef QT_MAC_USE_COCOA
+void QEventDispatcherMacPrivate::cancelWaitForMoreEvents()
+{
+    // In case the event dispatcher is waiting for more
+    // events somewhere, we post a dummy event to wake it up:
+    QMacCocoaAutoReleasePool pool;
+    static const short NSAppShouldStopForQt = SHRT_MAX;
+    [NSApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined location:NSZeroPoint
+        modifierFlags:0 timestamp:0. windowNumber:0 context:0
+        subtype:NSAppShouldStopForQt data1:0 data2:0] atStart:NO];
+}
+#endif
+
 void QEventDispatcherMac::interrupt()
 {
     Q_D(QEventDispatcherMac);
@@ -992,20 +1080,14 @@ void QEventDispatcherMac::interrupt()
 #ifndef QT_MAC_USE_COCOA
     CFRunLoopStop(mainRunLoop());
 #else
-    QMacCocoaAutoReleasePool pool;
-    // In case we wait for more events inside
-    // processEvents (or NSApp run), post a dummy to wake it up:
-    static const short NSAppShouldStopForQt = SHRT_MAX;
-    [NSApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined location:NSZeroPoint
-        modifierFlags:0 timestamp:0. windowNumber:0 context:0
-        subtype:NSAppShouldStopForQt data1:0 data2:0] atStart:NO];
-
-    if (d->activeModalSessionCount() == 0) {
-        // We should only stop NSApp if we actually started it (and
-        // not some 3rd party application, e.g. if we are a plugin).
-        if (d->nsAppRunCalledByQt)
-            [NSApp stop:NSApp];
-    }
+    // We do nothing more here than setting d->interrupt = true, and
+    // poke the event loop if it is sleeping. Actually stopping
+    // NSApp, or the current modal session, is done inside the send
+    // posted events callback. We do this to ensure that all current pending
+    // cocoa events gets delivered before we stop. Otherwise, if we now stop
+    // the last event loop recursion, cocoa will just drop pending posted
+    // events on the floor before we get a chance to reestablish a new session.
+    d->cancelWaitForMoreEvents();
 #endif
 }
 
@@ -1046,17 +1128,18 @@ QEventDispatcherMac::~QEventDispatcherMac()
     CFRelease(d->firstTimeObserver);
 }
 
-/////////////////////////////////////////////////////////////////////////////
-
 #ifdef QT_MAC_USE_COCOA
 
 QtMacInterruptDispatcherHelp* QtMacInterruptDispatcherHelp::instance = 0;
 
 QtMacInterruptDispatcherHelp::QtMacInterruptDispatcherHelp() : cancelled(false)
 {
-    // This is the whole point of encapsulation this code
-    // inside a class; we can make the code (inside destructor)
-    // execute on lower loop level:
+    // The whole point of this class is that we enable a way to interrupt
+    // the event dispatcher when returning back to a lower recursion level
+    // than where interruptLater was called. This is needed to detect if
+    // [NSApp run] should still be running at the recursion level it is at.
+    // Since the interrupt is canceled if processEvents is called before
+    // this object gets deleted, we also avoid interrupting unnecessary.
     deleteLater();
 }
 
@@ -1064,34 +1147,26 @@ QtMacInterruptDispatcherHelp::~QtMacInterruptDispatcherHelp()
 {
     if (cancelled)
         return;
-
     instance = 0;
-
-    if (QEventDispatcherMacPrivate::currentExecIsNSAppRun) {
-        int activeCount = QEventDispatcherMacPrivate::activeModalSessionCount();
-        if (activeCount > 0) {
-            // The problem we now have hit: [NSApp stop] will not stop NSApp
-            // if a session is active; it will stop the session instead.
-            // So to stop NSApp, we need to temporarily stop all the
-            // sessions, then stop NSApp, then restart the session on top again.
-            // We need to do this to ensure that we're not stuck inside
-            // [NSApp run] when we really should be running a modal session:
-            QEventDispatcherMacPrivate::temporarilyStopAllModalSessions();
-        }
-    }
-    // Always interrupt once more in case the modal session stack changed
-    // while processEvents was called manually from within the application:
     QEventDispatcherMac::instance()->interrupt();
 }
 
-void QtMacInterruptDispatcherHelp::interruptLater() {
-    if (instance) {
-        instance->cancelled = true;
-        delete instance;
-    }
+void QtMacInterruptDispatcherHelp::cancelInterruptLater()
+{
+    if (!instance)
+        return;
+    instance->cancelled = true;
+    delete instance;
+    instance = 0;
+}
+
+void QtMacInterruptDispatcherHelp::interruptLater()
+{
+    cancelInterruptLater();
     instance = new QtMacInterruptDispatcherHelp;
 }
 
 #endif
 
 QT_END_NAMESPACE
+
diff --git a/src/gui/kernel/qeventdispatcher_mac_p.h b/src/gui/kernel/qeventdispatcher_mac_p.h
index a335f162fd..e932532346 100644
--- a/src/gui/kernel/qeventdispatcher_mac_p.h
+++ b/src/gui/kernel/qeventdispatcher_mac_p.h
@@ -174,13 +174,17 @@ public:
     static QStack<QCocoaModalSessionInfo> cocoaModalSessionStack;
     static bool currentExecIsNSAppRun;
     static bool nsAppRunCalledByQt;
+    static bool cleanupModalSessionsNeeded;
+    static bool modalSessionsTemporarilyStopped;
     static NSModalSession currentModalSessionCached;
-    static void updateChildrenWorksWhenModal();
     static NSModalSession currentModalSession();
-    static int activeModalSessionCount();
+    static void updateChildrenWorksWhenModal();
     static void temporarilyStopAllModalSessions();
     static void beginModalSession(QWidget *widget);
     static void endModalSession(QWidget *widget);
+    static void cancelWaitForMoreEvents();
+    static void cleanupModalSessions();
+    static void ensureNSAppInitialized();
 #endif
 
     MacSocketHash macSockets;
@@ -190,7 +194,7 @@ public:
     CFRunLoopObserverRef firstTimeObserver;
     QAtomicInt serialNumber;
     int lastSerial;
-    bool interrupt;
+    static bool interrupt;
 private:
     static Boolean postedEventSourceEqualCallback(const void *info1, const void *info2);
     static void postedEventsSourcePerformCallback(void *info);
@@ -211,6 +215,7 @@ class QtMacInterruptDispatcherHelp : public QObject
 
     public:
     static void interruptLater();
+    static void cancelInterruptLater();
 };
 #endif
 
diff --git a/src/gui/kernel/qguieventdispatcher_glib.cpp b/src/gui/kernel/qguieventdispatcher_glib.cpp
index 7b30741e86..ac2b5f787c 100644
--- a/src/gui/kernel/qguieventdispatcher_glib.cpp
+++ b/src/gui/kernel/qguieventdispatcher_glib.cpp
@@ -216,4 +216,9 @@ void QGuiEventDispatcherGlib::startingUp()
     g_source_add_poll(&d->x11EventSource->source, &d->x11EventSource->pollfd);
 }
 
+void QGuiEventDispatcherGlib::flush()
+{
+    XFlush(X11->display);
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qguieventdispatcher_glib_p.h b/src/gui/kernel/qguieventdispatcher_glib_p.h
index ff778cc744..758650b434 100644
--- a/src/gui/kernel/qguieventdispatcher_glib_p.h
+++ b/src/gui/kernel/qguieventdispatcher_glib_p.h
@@ -71,6 +71,7 @@ public:
     bool processEvents(QEventLoop::ProcessEventsFlags flags);
 
     void startingUp();
+    void flush();
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 2a13546061..99bf971ab8 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -861,6 +861,8 @@ QKeySequence::QKeySequence()
     Up to four key codes may be entered by separating them with
     commas, e.g. "Alt+X,Ctrl+S,Q".
 
+    \a key should be in NativeText format.
+
     This constructor is typically used with \link QObject::tr() tr
     \endlink(), so that shortcut keys can be replaced in
     translations:
@@ -877,6 +879,16 @@ QKeySequence::QKeySequence(const QString &key)
 }
 
 /*!
+    \since 4.x
+    Creates a key sequence from the \a key string based on \a format.
+*/
+QKeySequence::QKeySequence(const QString &key, QKeySequence::SequenceFormat format)
+{
+    d = new QKeySequencePrivate();
+    assign(key, format);
+}
+
+/*!
     Constructs a key sequence with up to 4 keys \a k1, \a k2,
     \a k3 and \a k4.
 
@@ -1055,9 +1067,24 @@ QKeySequence QKeySequence::mnemonic(const QString &text)
     contain up to four key codes, provided they are separated by a
     comma; for example, "Alt+X,Ctrl+S,Z". The return value is the
     number of key codes added.
+    \a keys should be in NativeText format.
 */
 int QKeySequence::assign(const QString &ks)
 {
+    return assign(ks, NativeText);
+}
+
+/*!
+    \fn int QKeySequence::assign(const QString &keys, QKeySequence::SequenceFormat format)
+    \since 4.x
+
+    Adds the given \a keys to the key sequence (based on \a format).
+    \a keys may contain up to four key codes, provided they are
+    separated by a comma; for example, "Alt+X,Ctrl+S,Z". The return
+    value is the number of key codes added.
+*/
+int QKeySequence::assign(const QString &ks, QKeySequence::SequenceFormat format)
+{
     QString keyseq = ks;
     QString part;
     int n = 0;
@@ -1086,7 +1113,7 @@ int QKeySequence::assign(const QString &ks)
         }
         part = keyseq.left(-1 == p ? keyseq.length() : p - diff);
         keyseq = keyseq.right(-1 == p ? 0 : keyseq.length() - (p + 1));
-        d->key[n] = decodeString(part);
+        d->key[n] = QKeySequencePrivate::decodeString(part, format);
         ++n;
     }
     return n;
@@ -1557,12 +1584,7 @@ QString QKeySequence::toString(SequenceFormat format) const
 */
 QKeySequence QKeySequence::fromString(const QString &str, SequenceFormat format)
 {
-    QStringList sl = str.split(QLatin1String(", "));
-    int keys[4] = {0, 0, 0, 0};
-    int total = qMin(sl.count(), 4);
-    for (int i = 0; i < total; ++i)
-        keys[i] = QKeySequencePrivate::decodeString(sl[i], format);
-    return QKeySequence(keys[0], keys[1], keys[2], keys[3]);
+    return QKeySequence(str, format);
 }
 
 /*****************************************************************************
diff --git a/src/gui/kernel/qkeysequence.h b/src/gui/kernel/qkeysequence.h
index 1409e28f3b..5a973e398c 100644
--- a/src/gui/kernel/qkeysequence.h
+++ b/src/gui/kernel/qkeysequence.h
@@ -141,8 +141,14 @@ public:
         Quit
      };
 
+    enum SequenceFormat {
+        NativeText,
+        PortableText
+    };
+
     QKeySequence();
     QKeySequence(const QString &key);
+    QKeySequence(const QString &key, SequenceFormat format);
     QKeySequence(int k1, int k2 = 0, int k3 = 0, int k4 = 0);
     QKeySequence(const QKeySequence &ks);
     QKeySequence(StandardKey key);
@@ -160,11 +166,6 @@ public:
 #endif
     };
 
-    enum SequenceFormat {
-        NativeText,
-        PortableText
-    };
-
     QString toString(SequenceFormat format = PortableText) const;
     static QKeySequence fromString(const QString &str, SequenceFormat format = PortableText);
 
@@ -194,6 +195,7 @@ private:
     static int decodeString(const QString &ks);
     static QString encodeString(int key);
     int assign(const QString &str);
+    int assign(const QString &str, SequenceFormat format);
     void setKey(int key, int index);
 
     QKeySequencePrivate *d;
diff --git a/src/gui/kernel/qmime_mac.cpp b/src/gui/kernel/qmime_mac.cpp
index 071f80df1f..c6fd184447 100644
--- a/src/gui/kernel/qmime_mac.cpp
+++ b/src/gui/kernel/qmime_mac.cpp
@@ -154,6 +154,7 @@ CFStringRef qt_mac_mime_typeUTI = CFSTR("com.pasteboard.trolltech.marker");
     \i public.url - converts to "text/uri-list"
     \i public.file-url - converts to "text/uri-list"
     \i public.tiff - converts to "application/x-qt-image"
+    \i public.vcard - converts to "text/plain"
     \i com.apple.traditional-mac-plain-text - converts to "text/plain"
     \i com.apple.pict - converts to "application/x-qt-image"
   \endlist
@@ -909,6 +910,61 @@ QList<QByteArray> QMacPasteboardMimeUrl::convertFromMime(const QString &mime, QV
     return ret;
 }
 
+class QMacPasteboardMimeVCard : public QMacPasteboardMime
+{
+public:
+    QMacPasteboardMimeVCard() : QMacPasteboardMime(MIME_ALL){ }
+    QString convertorName();
+
+    QString flavorFor(const QString &mime);
+    QString mimeFor(QString flav);
+    bool canConvert(const QString &mime, QString flav);
+    QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav);
+    QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav);
+};
+
+QString QMacPasteboardMimeVCard::convertorName()
+{
+    return QString("VCard");
+}
+
+bool QMacPasteboardMimeVCard::canConvert(const QString &mime, QString flav)
+{
+    return mimeFor(flav) == mime;
+}
+
+QString QMacPasteboardMimeVCard::flavorFor(const QString &mime)
+{
+    if(mime.startsWith(QLatin1String("text/plain")))
+        return QLatin1String("public.vcard");
+    return QString();
+}
+
+QString QMacPasteboardMimeVCard::mimeFor(QString flav)
+{
+    if (flav == QLatin1String("public.vcard"))
+        return QLatin1String("text/plain");
+    return QString();
+}
+
+QVariant QMacPasteboardMimeVCard::convertToMime(const QString &mime, QList<QByteArray> data, QString)
+{
+    QByteArray cards;
+    if (mime == QLatin1String("text/plain")) {
+        for (int i=0; i<data.size(); ++i)
+            cards += data[i];
+    }
+    return QVariant(cards);
+}
+
+QList<QByteArray> QMacPasteboardMimeVCard::convertFromMime(const QString &mime, QVariant data, QString)
+{
+    QList<QByteArray> ret;
+    if (mime == QLatin1String("text/plain"))
+        ret.append(data.toString().toUtf8());
+    return ret;
+}
+
 #ifdef QT3_SUPPORT
 class QMacPasteboardMimeQt3Any : public QMacPasteboardMime {
 private:
@@ -1116,6 +1172,7 @@ void QMacPasteboardMime::initialize()
         new QMacPasteboardMimeFileUri;
         new QMacPasteboardMimeUrl;
         new QMacPasteboardMimeTypeName;
+        new QMacPasteboardMimeVCard;
         //make sure our "non-standard" types are always last! --Sam
         new QMacPasteboardMimeAny;
 #ifdef QT3_SUPPORT
diff --git a/src/gui/kernel/qnsthemeframe_mac_p.h b/src/gui/kernel/qnsthemeframe_mac_p.h
index 77a6963f10..d061b1bfbe 100644
--- a/src/gui/kernel/qnsthemeframe_mac_p.h
+++ b/src/gui/kernel/qnsthemeframe_mac_p.h
@@ -157,7 +157,7 @@
 - (void)resetCursorRects;
 - (char)shouldBeTreatedAsInkEvent:fp8;
 - (char)_shouldBeTreatedAsInkEventInInactiveWindow:fp8;
-- hitTest:(struct _NSPoint)fp8;
+//- hitTest:(struct _NSPoint)fp8; // collides with hittest in qcocoasharedwindowmethods_mac_p.h
 - (NSRect)_leftGroupRect;
 - (NSRect)_rightGroupRect;
 - (void)_updateWidgets;
diff --git a/src/gui/kernel/qsound_s60.cpp b/src/gui/kernel/qsound_s60.cpp
index 1832b855d3..df2830bc4e 100644
--- a/src/gui/kernel/qsound_s60.cpp
+++ b/src/gui/kernel/qsound_s60.cpp
@@ -51,7 +51,7 @@
 #include <private/qcore_symbian_p.h>
 
 #include <e32std.h>
-#include <MdaAudioSamplePlayer.h>
+#include <mdaaudiosampleplayer.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index 65c04e5a47..4e51cf44c2 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -1281,6 +1281,21 @@ void qt_cocoaChangeOverrideCursor(const QCursor &cursor)
 }
 #endif
 
+@implementation DebugNSApplication {
+}
+- (void)sendEvent:(NSEvent *)event
+{
+    NSLog(@"NSAppDebug: sendEvent: %@", event);
+    return [super sendEvent:event];
+}
+
+- (BOOL)sendAction:(SEL)anAction to:(id)aTarget from:(id)sender
+{
+    NSLog(@"NSAppDebug: sendAction: %s to %@ from %@", anAction, aTarget, sender);
+    return [super sendAction:anAction to:aTarget from:sender];
+}
+@end
+
 QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
 {
 #ifndef QT_MAC_USE_COCOA
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac_p.h b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
index 6f0c4ce1e3..ace8255fde 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac_p.h
+++ b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
@@ -181,6 +181,10 @@ inline QString qt_mac_NSStringToQString(const NSString *nsstr)
 
 inline NSString *qt_mac_QStringToNSString(const QString &qstr)
 { return [reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr)) autorelease]; }
+
+@interface DebugNSApplication : NSApplication {}
+@end
+
 #endif
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index d110084679..b2ce754bb1 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -331,7 +331,7 @@ struct QXdndDropTransaction
 class QMimeData;
 
 struct QX11Data;
-extern QX11Data *qt_x11Data;
+extern Q_GUI_EXPORT QX11Data *qt_x11Data;
 
 enum DesktopEnvironment {
     DE_UNKNOWN,
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 2a19d233f8..1e92507490 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -4876,90 +4876,7 @@ void QWidget::unsetCursor()
 void QWidget::render(QPaintDevice *target, const QPoint &targetOffset,
                      const QRegion &sourceRegion, RenderFlags renderFlags)
 {
-    Q_D(QWidget);
-    if (!target) {
-        qWarning("QWidget::render: null pointer to paint device");
-        return;
-    }
-
-    const bool inRenderWithPainter = d->extra && d->extra->inRenderWithPainter;
-    QRegion paintRegion = !inRenderWithPainter ? d->prepareToRender(sourceRegion, renderFlags)
-                                               : sourceRegion;
-    if (paintRegion.isEmpty())
-        return;
-
-#ifndef Q_WS_MAC
-    QPainter *oldSharedPainter = inRenderWithPainter ? d->sharedPainter() : 0;
-
-    // Use the target's shared painter if set (typically set when doing
-    // "other->render(widget);" in the widget's paintEvent.
-    if (target->devType() == QInternal::Widget) {
-        QWidgetPrivate *targetPrivate = static_cast<QWidget *>(target)->d_func();
-        if (targetPrivate->extra && targetPrivate->extra->inRenderWithPainter) {
-            QPainter *targetPainter = targetPrivate->sharedPainter();
-            if (targetPainter && targetPainter->isActive())
-                d->setSharedPainter(targetPainter);
-        }
-    }
-#endif
-
-    // Use the target's redirected device if set and adjust offset and paint
-    // region accordingly. This is typically the case when people call render
-    // from the paintEvent.
-    QPoint offset = targetOffset;
-    offset -= paintRegion.boundingRect().topLeft();
-    QPoint redirectionOffset;
-    QPaintDevice *redirected = 0;
-
-    if (target->devType() == QInternal::Widget)
-        redirected = static_cast<QWidget *>(target)->d_func()->redirected(&redirectionOffset);
-    if (!redirected)
-        redirected = QPainter::redirected(target, &redirectionOffset);
-
-    if (redirected) {
-        target = redirected;
-        offset -= redirectionOffset;
-    }
-
-    if (!inRenderWithPainter) { // Clip handled by shared painter (in qpainter.cpp).
-        if (QPaintEngine *targetEngine = target->paintEngine()) {
-            const QRegion targetSystemClip = targetEngine->systemClip();
-            if (!targetSystemClip.isEmpty())
-                paintRegion &= targetSystemClip.translated(-offset);
-        }
-    }
-
-    // Set backingstore flags.
-    int flags = QWidgetPrivate::DrawPaintOnScreen | QWidgetPrivate::DrawInvisible;
-    if (renderFlags & DrawWindowBackground)
-        flags |= QWidgetPrivate::DrawAsRoot;
-
-    if (renderFlags & DrawChildren)
-        flags |= QWidgetPrivate::DrawRecursive;
-    else
-        flags |= QWidgetPrivate::DontSubtractOpaqueChildren;
-
-#ifdef Q_WS_QWS
-    flags |= QWidgetPrivate::DontSetCompositionMode;
-#endif
-
-    if (target->devType() == QInternal::Printer) {
-        QPainter p(target);
-        d->render_helper(&p, targetOffset, paintRegion, renderFlags);
-        return;
-    }
-
-#ifndef Q_WS_MAC
-    // Render via backingstore.
-    d->drawWidget(target, paintRegion, offset, flags, d->sharedPainter());
-
-    // Restore shared painter.
-    if (oldSharedPainter)
-        d->setSharedPainter(oldSharedPainter);
-#else
-    // Render via backingstore (no shared painter).
-    d->drawWidget(target, paintRegion, offset, flags, 0);
-#endif
+    d_func()->render(target, targetOffset, sourceRegion, renderFlags, false);
 }
 
 /*!
@@ -5405,6 +5322,97 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
     }
 }
 
+void QWidgetPrivate::render(QPaintDevice *target, const QPoint &targetOffset,
+                            const QRegion &sourceRegion, QWidget::RenderFlags renderFlags,
+                            bool readyToRender)
+{
+    Q_Q(QWidget);
+    if (!target) {
+        qWarning("QWidget::render: null pointer to paint device");
+        return;
+    }
+
+    const bool inRenderWithPainter = extra && extra->inRenderWithPainter;
+    QRegion paintRegion = !inRenderWithPainter && !readyToRender
+                          ? prepareToRender(sourceRegion, renderFlags)
+                          : sourceRegion;
+    if (paintRegion.isEmpty())
+        return;
+
+#ifndef Q_WS_MAC
+    QPainter *oldSharedPainter = inRenderWithPainter ? sharedPainter() : 0;
+
+    // Use the target's shared painter if set (typically set when doing
+    // "other->render(widget);" in the widget's paintEvent.
+    if (target->devType() == QInternal::Widget) {
+        QWidgetPrivate *targetPrivate = static_cast<QWidget *>(target)->d_func();
+        if (targetPrivate->extra && targetPrivate->extra->inRenderWithPainter) {
+            QPainter *targetPainter = targetPrivate->sharedPainter();
+            if (targetPainter && targetPainter->isActive())
+                setSharedPainter(targetPainter);
+        }
+    }
+#endif
+
+    // Use the target's redirected device if set and adjust offset and paint
+    // region accordingly. This is typically the case when people call render
+    // from the paintEvent.
+    QPoint offset = targetOffset;
+    offset -= paintRegion.boundingRect().topLeft();
+    QPoint redirectionOffset;
+    QPaintDevice *redirected = 0;
+
+    if (target->devType() == QInternal::Widget)
+        redirected = static_cast<QWidget *>(target)->d_func()->redirected(&redirectionOffset);
+    if (!redirected)
+        redirected = QPainter::redirected(target, &redirectionOffset);
+
+    if (redirected) {
+        target = redirected;
+        offset -= redirectionOffset;
+    }
+
+    if (!inRenderWithPainter) { // Clip handled by shared painter (in qpainter.cpp).
+        if (QPaintEngine *targetEngine = target->paintEngine()) {
+            const QRegion targetSystemClip = targetEngine->systemClip();
+            if (!targetSystemClip.isEmpty())
+                paintRegion &= targetSystemClip.translated(-offset);
+        }
+    }
+
+    // Set backingstore flags.
+    int flags = DrawPaintOnScreen | DrawInvisible;
+    if (renderFlags & QWidget::DrawWindowBackground)
+        flags |= DrawAsRoot;
+
+    if (renderFlags & QWidget::DrawChildren)
+        flags |= DrawRecursive;
+    else
+        flags |= DontSubtractOpaqueChildren;
+
+#ifdef Q_WS_QWS
+    flags |= DontSetCompositionMode;
+#endif
+
+    if (target->devType() == QInternal::Printer) {
+        QPainter p(target);
+        render_helper(&p, targetOffset, paintRegion, renderFlags);
+        return;
+    }
+
+#ifndef Q_WS_MAC
+    // Render via backingstore.
+    drawWidget(target, paintRegion, offset, flags, sharedPainter());
+
+    // Restore shared painter.
+    if (oldSharedPainter)
+        setSharedPainter(oldSharedPainter);
+#else
+    // Render via backingstore (no shared painter).
+    drawWidget(target, paintRegion, offset, flags, 0);
+#endif
+}
+
 void QWidgetPrivate::paintSiblingsRecursive(QPaintDevice *pdev, const QObjectList& siblings, int index, const QRegion &rgn,
                                             const QPoint &offset, int flags
 #ifdef Q_BACKINGSTORE_SUBSURFACES
@@ -7592,23 +7600,21 @@ bool QWidgetPrivate::close_helper(CloseMode mode)
     if (isMain)
         QApplication::quit();
 #endif
-    // Attempt to close the application only if this widget has the
-    // WA_QuitOnClose flag set set and has a non-visible parent
-    quitOnClose = quitOnClose && (parentWidget.isNull() || !parentWidget->isVisible() || parentWidget->testAttribute(Qt::WA_DontShowOnScreen));
+    // Attempt to close the application only if this has WA_QuitOnClose set and a non-visible parent
+    quitOnClose = quitOnClose && (parentWidget.isNull() || !parentWidget->isVisible());
 
     if (quitOnClose) {
-        // If there is no non-withdrawn primary window left (except
-        // the ones without QuitOnClose or with WA_DontShowOnScreen),
-        // we emit the lastWindowClosed signal
+        /* if there is no non-withdrawn primary window left (except
+           the ones without QuitOnClose), we emit the lastWindowClosed
+           signal */
         QWidgetList list = QApplication::topLevelWidgets();
         bool lastWindowClosed = true;
         for (int i = 0; i < list.size(); ++i) {
             QWidget *w = list.at(i);
-            if ((w->isVisible() && !w->testAttribute(Qt::WA_DontShowOnScreen))
-                    && !w->parentWidget() && w->testAttribute(Qt::WA_QuitOnClose)) {
-                lastWindowClosed = false;
-                break;
-            }
+            if (!w->isVisible() || w->parentWidget() || !w->testAttribute(Qt::WA_QuitOnClose))
+                continue;
+            lastWindowClosed = false;
+            break;
         }
         if (lastWindowClosed)
             QApplicationPrivate::emitLastWindowClosed();
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 9e7517f013..a5633d3f1d 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -1917,13 +1917,15 @@ void QWidgetPrivate::determineWindowClass()
         wclass = kDocumentWindowClass;
     else if(popup || (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5 && type == Qt::SplashScreen))
         wclass = kModalWindowClass;
-    else if(q->testAttribute(Qt::WA_ShowModal) || type == Qt::Dialog)
+    else if(type == Qt::Dialog)
         wclass = kMovableModalWindowClass;
     else if(type == Qt::ToolTip)
         wclass = kHelpWindowClass;
     else if(type == Qt::Tool || (QSysInfo::MacintoshVersion < QSysInfo::MV_10_5
                                  && type == Qt::SplashScreen))
         wclass = kFloatingWindowClass;
+    else if(q->testAttribute(Qt::WA_ShowModal))
+        wclass = kMovableModalWindowClass;
     else
         wclass = kDocumentWindowClass;
 
@@ -2027,8 +2029,6 @@ void QWidgetPrivate::determineWindowClass()
         for(int i = 0; tmp_wattr && known_attribs[i].name; i++) {
             if((tmp_wattr & known_attribs[i].tag) == known_attribs[i].tag) {
                 tmp_wattr ^= known_attribs[i].tag;
-                qDebug("Qt: internal: * %s %s", known_attribs[i].name,
-                        (GetAvailableWindowAttributes(wclass) & known_attribs[i].tag) ? "" : "(*)");
             }
         }
         if(tmp_wattr)
@@ -2223,6 +2223,41 @@ void QWidgetPrivate::finishCreateWindow_sys_Carbon(OSWindowRef windowRef)
     applyMaxAndMinSizeOnWindow();
 }
 #else  // QT_MAC_USE_COCOA
+
+void QWidgetPrivate::setWindowLevel()
+{
+    Q_Q(QWidget);
+    const QWidget * const windowParent = q->window()->parentWidget();
+    const QWidget * const primaryWindow = windowParent ? windowParent->window() : 0;
+    NSInteger winLevel = -1;
+
+    if (q->windowType() == Qt::Popup) {
+        winLevel = NSPopUpMenuWindowLevel;
+        // Popup should be in at least the same level as its parent.
+        if (primaryWindow) {
+            OSWindowRef parentRef = qt_mac_window_for(primaryWindow);
+            winLevel = qMax([parentRef level], winLevel);
+        }
+    } else if (q->windowType() == Qt::Tool) {
+        winLevel = NSFloatingWindowLevel;
+    } else if (q->windowType() == Qt::Dialog) {
+        // Correct modality level (NSModalPanelWindowLevel) will be
+        // set by cocoa when creating a modal session later.
+        winLevel = NSNormalWindowLevel;
+    }
+
+    // StayOnTop window should appear above Tool windows.
+    if (data.window_flags & Qt::WindowStaysOnTopHint)
+        winLevel = NSPopUpMenuWindowLevel;
+    // Tooltips should appear above StayOnTop windows.
+    if (q->windowType() == Qt::ToolTip)
+        winLevel = NSScreenSaverWindowLevel;
+    // All other types are Normal level.
+    if (winLevel == -1)
+        winLevel = NSNormalWindowLevel;
+    [qt_mac_window_for(q) setLevel:winLevel];
+}
+
 void QWidgetPrivate::finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ voidWindowRef)
 {
     Q_Q(QWidget);
@@ -2295,6 +2330,10 @@ void QWidgetPrivate::finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ voidWin
         q->setAttribute(Qt::WA_WState_WindowOpacitySet, false);
     }
 
+    if (qApp->overrideCursor())
+        [windowRef disableCursorRects];
+
+    setWindowLevel();
     macUpdateHideOnSuspend();
     macUpdateOpaqueSizeGrip();
     macUpdateIgnoreMouseEvents();
@@ -2725,6 +2764,35 @@ void QWidgetPrivate::transferChildren()
     }
 }
 
+#ifdef QT_MAC_USE_COCOA
+void QWidgetPrivate::setSubWindowStacking(bool set)
+{
+    Q_Q(QWidget);
+    if (!q->isWindow() || !q->testAttribute(Qt::WA_WState_Created))
+        return;
+
+    if (QWidget *parent = q->parentWidget()) {
+        if (parent->testAttribute(Qt::WA_WState_Created)) {
+            if (set)
+                [qt_mac_window_for(parent) addChildWindow:qt_mac_window_for(q) ordered:NSWindowAbove];
+            else
+                [qt_mac_window_for(parent) removeChildWindow:qt_mac_window_for(q)];
+        }
+    }
+
+    QList<QWidget *> widgets = q->findChildren<QWidget *>();
+    for (int i=0; i<widgets.size(); ++i) {
+        QWidget *child = widgets.at(i);
+        if (child->isWindow() && child->testAttribute(Qt::WA_WState_Created)) {
+            if (set)
+                [qt_mac_window_for(q) addChildWindow:qt_mac_window_for(child) ordered:NSWindowAbove];
+            else
+                [qt_mac_window_for(q) removeChildWindow:qt_mac_window_for(child)];
+        }
+    }
+}
+#endif
+
 void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
 {
     Q_Q(QWidget);
@@ -2879,7 +2947,6 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
             current = current->parentWidget();
         }
     }
-
     invalidateBuffer(q->rect());
     qt_event_request_window_change(q);
 }
@@ -3185,10 +3252,10 @@ void QWidget::activateWindow()
             || windowActive) {
 #ifndef QT_MAC_USE_COCOA
         ActivateWindow(win, true);
+        qApp->setActiveWindow(tlw);
 #else
         [win makeKeyWindow];
 #endif
-        qApp->setActiveWindow(tlw);
     } else if(!isMinimized()) {
 #ifndef QT_MAC_USE_COCOA
         SelectWindow(win);
@@ -3341,13 +3408,23 @@ void QWidgetPrivate::show_sys()
 #else
             // sync the opacity value back (in case of a fade).
             [window setAlphaValue:q->windowOpacity()];
-            [window makeKeyAndOrderFront:window];
-
-            // If this window is app modal, we need to start spinning
-            // a modal session for it. Interrupting
-            // the event dispatcher will make this happend:
-            if (data.window_modality == Qt::ApplicationModal)
-                QEventDispatcherMac::instance()->interrupt();
+            setSubWindowStacking(true);
+
+            QWidget *top = 0;
+            if (QApplicationPrivate::tryModalHelper(q, &top)) {
+                [window makeKeyAndOrderFront:window];
+                // If this window is app modal, we need to start spinning
+                // a modal session for it. Interrupting
+                // the event dispatcher will make this happend:
+                if (data.window_modality == Qt::ApplicationModal)
+                    QEventDispatcherMac::instance()->interrupt();
+            } else {
+                // The window is modally shaddowed, so we need to make
+                // sure that we don't pop in front of the modal window:
+                [window orderFront:window];
+                if (NSWindow *modalWin = qt_mac_window_for(top))
+                    [modalWin orderFront:window];
+            }
 #endif
             if (q->windowType() == Qt::Popup) {
 			    if (q->focusWidget())
@@ -3366,8 +3443,6 @@ void QWidgetPrivate::show_sys()
         } else if (!q->testAttribute(Qt::WA_ShowWithoutActivating)) {
 #ifndef QT_MAC_USE_COCOA
             qt_event_request_activate(q);
-#else
-            [qt_mac_window_for(q) makeKeyWindow];
 #endif
         }
     } else if(topData()->embedded || !q->parentWidget() || q->parentWidget()->isVisible()) {
@@ -3410,6 +3485,9 @@ void QWidgetPrivate::hide_sys()
 
     QMacCocoaAutoReleasePool pool;
     if(q->isWindow()) {
+#ifdef QT_MAC_USE_COCOA
+        setSubWindowStacking(false);
+#endif
         OSWindowRef window = qt_mac_window_for(q);
         if(qt_mac_is_macsheet(q)) {
 #ifndef QT_MAC_USE_COCOA
@@ -3475,12 +3553,15 @@ void QWidgetPrivate::hide_sys()
             }
 #endif
         }
-        if(q->isActiveWindow() && !(q->windowType() == Qt::Popup)) {
+#ifndef QT_MAC_USE_COCOA
+        // If the window we now hide was the active window, we need
+        // to find, and activate another window on screen. NB: Cocoa takes care of this
+        // logic for us (and distinquishes between main windows and key windows)
+        if (q->isActiveWindow() && !(q->windowType() == Qt::Popup)) {
             QWidget *w = 0;
             if(q->parentWidget())
                 w = q->parentWidget()->window();
             if(!w || (!w->isVisible() && !w->isMinimized())) {
-#ifndef QT_MAC_USE_COCOA
                 for (WindowPtr wp = GetFrontWindowOfClass(kMovableModalWindowClass, true);
                     wp; wp = GetNextWindowOfClass(wp, kMovableModalWindowClass, true)) {
                     if((w = qt_mac_find_window(wp)))
@@ -3500,24 +3581,12 @@ void QWidgetPrivate::hide_sys()
                             break;
                     }
                 }
-#else
-                NSArray *windows = [NSApp windows];
-                NSUInteger totalWindows = [windows count];
-                for (NSUInteger i = 0; i < totalWindows; ++i) {
-                    OSWindowRef wp = [windows objectAtIndex:i];
-                    if ((w = qt_mac_find_window(wp)))
-                        break;
-                }
-#endif
             }
             if(w && w->isVisible() && !w->isMinimized()) {
-#ifndef QT_MAC_USE_COCOA
-            qt_event_request_activate(w);
-#else
-            [qt_mac_window_for(w) makeKeyWindow];
-#endif
+                qt_event_request_activate(w);
             }
         }
+#endif
     } else {
          invalidateBuffer(q->rect());
 #ifndef QT_MAC_USE_COCOA
@@ -4605,9 +4674,12 @@ void QWidgetPrivate::registerDropSite(bool on)
 #ifndef QT_MAC_USE_COCOA
     SetControlDragTrackingEnabled(qt_mac_nativeview_for(q), on);
 #else
-    NSView *view = qt_mac_nativeview_for(q);
-    if (on && [view isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaView) class]]) {
-        [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(view) registerDragTypes];
+    NSWindow *win = qt_mac_window_for(q);
+    if (on) {
+        if ([win isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaWindow) class]])
+            [static_cast<QT_MANGLE_NAMESPACE(QCocoaWindow) *>(win) registerDragTypes];
+        else if ([win isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaPanel) class]])
+            [static_cast<QT_MANGLE_NAMESPACE(QCocoaPanel) *>(win) registerDragTypes];
     }
 #endif
 }
@@ -4761,7 +4833,7 @@ void QWidgetPrivate::setModal_sys()
     bool alreadySheet = [windowRef styleMask] & NSDocModalWindowMask;
 
     if (windowParent && q->windowModality() == Qt::WindowModal){
-        // Window should be window-modal, which implies a sheet.
+        // INVARIANT: Window should be window-modal (which implies a sheet).
         if (!alreadySheet) {
             // NB: the following call will call setModal_sys recursivly:
             recreateMacWindow();
@@ -4778,47 +4850,19 @@ void QWidgetPrivate::setModal_sys()
                 [static_cast<NSPanel *>(windowRef) setWorksWhenModal:YES];
         }
     } else {
-        // Window shold not be window-modal, and as such, not a sheet.
+        // INVARIANT: Window shold _not_ be window-modal (and as such, not a sheet).
         if (alreadySheet){
             // NB: the following call will call setModal_sys recursivly:
             recreateMacWindow();
             windowRef = qt_mac_window_for(q);
         }
-        if (q->windowModality() == Qt::ApplicationModal) {
-            [windowRef setLevel:NSModalPanelWindowLevel];
-        } else if (primaryWindow && primaryWindow->windowModality() == Qt::ApplicationModal) {
-            // INVARIANT: Our window is a dialog that has a dialog parent that is
-            // application modal, or . This means that q is supposed to be on top of this
-            // dialog and not be modally shaddowed:
-            [windowRef setLevel:NSModalPanelWindowLevel];
+        if (q->windowModality() == Qt::NonModal
+            && primaryWindow && primaryWindow->windowModality() == Qt::ApplicationModal) {
+            // INVARIANT: Our window has a parent that is application modal.
+            // This means that q is supposed to be on top of this window and
+            // not be modally shaddowed:
             if ([windowRef isKindOfClass:[NSPanel class]])
                 [static_cast<NSPanel *>(windowRef) setWorksWhenModal:YES];
-        } else {
-            // INVARIANT: q should not be modal.
-            NSInteger winLevel = -1;
-            if (q->windowType() == Qt::Popup) {
-                winLevel = NSPopUpMenuWindowLevel;
-                // Popup should be in at least the same level as its parent.
-                if (primaryWindow) {
-                    OSWindowRef parentRef = qt_mac_window_for(primaryWindow);
-                    winLevel = qMax([parentRef level], winLevel);
-                }
-            } else if (q->windowType() == Qt::Tool) {
-                winLevel = NSFloatingWindowLevel;
-            } else if (q->windowType() == Qt::Dialog) {
-                winLevel = NSModalPanelWindowLevel;
-            }
-
-            // StayOnTop window should appear above Tool windows.
-            if (data.window_flags & Qt::WindowStaysOnTopHint)
-                winLevel = NSPopUpMenuWindowLevel;
-            // Tooltips should appear above StayOnTop windows.
-            if (q->windowType() == Qt::ToolTip)
-                winLevel = NSScreenSaverWindowLevel;
-            // All other types are Normal level.
-            if (winLevel == -1)
-                winLevel = NSNormalWindowLevel;
-            [windowRef setLevel:winLevel];
         }
     }
 
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index b421d3049c..75b4c12b33 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -158,6 +158,7 @@ struct QTLWExtra {
     quint32 newCounterValueLo;
 #endif
 #elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN
+    uint hotkeyRegistered: 1; // Hot key from the STARTUPINFO has been registered.
     HICON winIconBig; // internal big Windows icon
     HICON winIconSmall; // internal small Windows icon
 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
@@ -385,6 +386,8 @@ public:
     QRegion prepareToRender(const QRegion &region, QWidget::RenderFlags renderFlags);
     void render_helper(QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion,
                        QWidget::RenderFlags renderFlags);
+    void render(QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion,
+                QWidget::RenderFlags renderFlags, bool readyToRender);
     void drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, int flags,
                     QPainter *sharedPainter = 0, QWidgetBackingStore *backingStore = 0);
 
@@ -761,6 +764,8 @@ public:
     void initWindowPtr();
     void finishCreateWindow_sys_Carbon(OSWindowRef windowRef);
 #else
+    void setSubWindowStacking(bool set);
+    void setWindowLevel();
     void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef);
     void syncCocoaMask();
     void finishCocoaMaskSetup();
diff --git a/src/gui/kernel/qwidget_win.cpp b/src/gui/kernel/qwidget_win.cpp
index 10522ed89f..8cab387eab 100644
--- a/src/gui/kernel/qwidget_win.cpp
+++ b/src/gui/kernel/qwidget_win.cpp
@@ -1094,6 +1094,21 @@ void QWidgetPrivate::show_sys()
         return;
     }
 
+    if (data.window_flags & Qt::Window) {
+        QTLWExtra *extra = topData();
+        if (!extra->hotkeyRegistered) {
+            // Try to set the hotkey using information from STARTUPINFO
+            STARTUPINFO startupInfo;
+            GetStartupInfo(&startupInfo);
+            // If STARTF_USEHOTKEY is set, hStdInput is the virtual keycode
+            if (startupInfo.dwFlags & 0x00000200) {
+                WPARAM hotKey = (WPARAM)startupInfo.hStdInput;
+                SendMessage(data.winid, WM_SETHOTKEY, hotKey, 0);
+            }
+            extra->hotkeyRegistered = 1;
+        }
+    }
+
     int sm = SW_SHOWNORMAL;
     bool fakedMaximize = false;
     if (q->isWindow()) {
@@ -1141,6 +1156,11 @@ void QWidgetPrivate::show_sys()
             data.window_state |= Qt::WindowMinimized;
         if (IsZoomed(q->internalWinId()))
             data.window_state |= Qt::WindowMaximized;
+        // This is to resolve the problem where popups are opened from the
+        // system tray and not being implicitly activated
+        if (q->windowType() == Qt::Popup &&
+            (!q->parentWidget() || !q->parentWidget()->isActiveWindow()))
+            q->activateWindow();
     }
 
     winSetupGestures();
@@ -1687,6 +1707,7 @@ void QWidgetPrivate::deleteSysExtra()
 
 void QWidgetPrivate::createTLSysExtra()
 {
+    extra->topextra->hotkeyRegistered = 0;
     extra->topextra->savedFlags = 0;
     extra->topextra->winIconBig = 0;
     extra->topextra->winIconSmall = 0;
diff --git a/src/gui/mac/qt_menu.nib/classes.nib b/src/gui/mac/qt_menu.nib/classes.nib
index fed50a386c..0031e0e4e5 100644
--- a/src/gui/mac/qt_menu.nib/classes.nib
+++ b/src/gui/mac/qt_menu.nib/classes.nib
@@ -5,14 +5,6 @@
 	<key>IBClasses</key>
 	<array>
 		<dict>
-			<key>CLASS</key>
-			<string>FirstResponder</string>
-			<key>LANGUAGE</key>
-			<string>ObjC</string>
-			<key>SUPERCLASS</key>
-			<string>NSObject</string>
-		</dict>
-		<dict>
 			<key>ACTIONS</key>
 			<dict>
 				<key>hide</key>
@@ -52,6 +44,14 @@
 			<key>SUPERCLASS</key>
 			<string>NSResponder</string>
 		</dict>
+		<dict>
+			<key>CLASS</key>
+			<string>FirstResponder</string>
+			<key>LANGUAGE</key>
+			<string>ObjC</string>
+			<key>SUPERCLASS</key>
+			<string>NSObject</string>
+		</dict>
 	</array>
 	<key>IBVersion</key>
 	<string>1</string>
diff --git a/src/gui/mac/qt_menu.nib/info.nib b/src/gui/mac/qt_menu.nib/info.nib
index 768cb8b9f1..02e5cca562 100644
--- a/src/gui/mac/qt_menu.nib/info.nib
+++ b/src/gui/mac/qt_menu.nib/info.nib
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>IBFramework Version</key>
-	<string>670</string>
+	<string>672</string>
 	<key>IBOldestOS</key>
 	<integer>5</integer>
 	<key>IBOpenObjects</key>
@@ -11,7 +11,7 @@
 		<integer>57</integer>
 	</array>
 	<key>IBSystem Version</key>
-	<string>9G55</string>
+	<string>9L31a</string>
 	<key>targetFramework</key>
 	<string>IBCocoaFramework</string>
 </dict>
diff --git a/src/gui/mac/qt_menu.nib/keyedobjects.nib b/src/gui/mac/qt_menu.nib/keyedobjects.nib
index 18a66488f5..3edb0ed2eb 100644
--- a/src/gui/mac/qt_menu.nib/keyedobjects.nib
+++ b/src/gui/mac/qt_menu.nib/keyedobjects.nib
diff --git a/src/gui/math3d/qmatrix4x4.h b/src/gui/math3d/qmatrix4x4.h
index f9902d7083..0671fa8829 100644
--- a/src/gui/math3d/qmatrix4x4.h
+++ b/src/gui/math3d/qmatrix4x4.h
@@ -208,6 +208,8 @@ private:
     friend class QGraphicsRotation;
 };
 
+Q_DECLARE_TYPEINFO(QMatrix4x4, Q_MOVABLE_TYPE);
+
 inline QMatrix4x4::QMatrix4x4
         (qreal m11, qreal m12, qreal m13, qreal m14,
          qreal m21, qreal m22, qreal m23, qreal m24,
diff --git a/src/gui/math3d/qquaternion.h b/src/gui/math3d/qquaternion.h
index a446f28af3..16aa5d0774 100644
--- a/src/gui/math3d/qquaternion.h
+++ b/src/gui/math3d/qquaternion.h
@@ -136,6 +136,8 @@ private:
     qreal wp, xp, yp, zp;
 };
 
+Q_DECLARE_TYPEINFO(QQuaternion, Q_MOVABLE_TYPE);
+
 inline QQuaternion::QQuaternion() : wp(1.0f), xp(0.0f), yp(0.0f), zp(0.0f) {}
 
 inline QQuaternion::QQuaternion(qreal aScalar, qreal xpos, qreal ypos, qreal zpos) : wp(aScalar), xp(xpos), yp(ypos), zp(zpos) {}
diff --git a/src/gui/math3d/qvector2d.h b/src/gui/math3d/qvector2d.h
index d76f35ac57..c92c5e0153 100644
--- a/src/gui/math3d/qvector2d.h
+++ b/src/gui/math3d/qvector2d.h
@@ -126,6 +126,8 @@ private:
     friend class QVector4D;
 };
 
+Q_DECLARE_TYPEINFO(QVector2D, Q_MOVABLE_TYPE);
+
 inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
 
 inline QVector2D::QVector2D(float xpos, float ypos, int) : xp(xpos), yp(ypos) {}
diff --git a/src/gui/math3d/qvector3d.h b/src/gui/math3d/qvector3d.h
index 80c71526e0..2fdd1d3d41 100644
--- a/src/gui/math3d/qvector3d.h
+++ b/src/gui/math3d/qvector3d.h
@@ -141,6 +141,8 @@ private:
 #endif
 };
 
+Q_DECLARE_TYPEINFO(QVector3D, Q_MOVABLE_TYPE);
+
 inline QVector3D::QVector3D() : xp(0.0f), yp(0.0f), zp(0.0f) {}
 
 inline QVector3D::QVector3D(qreal xpos, qreal ypos, qreal zpos) : xp(xpos), yp(ypos), zp(zpos) {}
diff --git a/src/gui/math3d/qvector4d.h b/src/gui/math3d/qvector4d.h
index 4af2961715..a383fbb16f 100644
--- a/src/gui/math3d/qvector4d.h
+++ b/src/gui/math3d/qvector4d.h
@@ -138,6 +138,8 @@ private:
 #endif
 };
 
+Q_DECLARE_TYPEINFO(QVector4D, Q_MOVABLE_TYPE);
+
 inline QVector4D::QVector4D() : xp(0.0f), yp(0.0f), zp(0.0f), wp(0.0f) {}
 
 inline QVector4D::QVector4D(qreal xpos, qreal ypos, qreal zpos, qreal wpos) : xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}
diff --git a/src/gui/painting/qbrush.cpp b/src/gui/painting/qbrush.cpp
index 1a83b1d1cd..a82d0f9432 100644
--- a/src/gui/painting/qbrush.cpp
+++ b/src/gui/painting/qbrush.cpp
@@ -912,7 +912,7 @@ void QBrush::setTransform(const QTransform &matrix)
     otherwise returns false.
 
     Two brushes are different if they have different styles, colors or
-    pixmaps.
+    transforms or different pixmaps or gradients depending on the style.
 
     \sa operator==()
 */
@@ -924,7 +924,7 @@ void QBrush::setTransform(const QTransform &matrix)
     otherwise returns false.
 
     Two brushes are equal if they have equal styles, colors and
-    pixmaps.
+    transforms and equal pixmaps or gradients depending on the style.
 
     \sa operator!=()
 */
@@ -933,26 +933,26 @@ bool QBrush::operator==(const QBrush &b) const
 {
     if (b.d == d)
         return true;
-    if (b.d->style == d->style && b.d->color == d->color) {
-        switch (d->style) {
-        case Qt::TexturePattern: {
-            QPixmap &us = (static_cast<QTexturedBrushData *>(d.data()))->pixmap();
-            QPixmap &them = (static_cast<QTexturedBrushData *>(b.d.data()))->pixmap();
+    if (b.d->style != d->style || b.d->color != d->color || b.d->transform != d->transform)
+        return false;
+    switch (d->style) {
+    case Qt::TexturePattern:
+        {
+            const QPixmap &us = (static_cast<QTexturedBrushData *>(d.data()))->pixmap();
+            const QPixmap &them = (static_cast<QTexturedBrushData *>(b.d.data()))->pixmap();
             return ((us.isNull() && them.isNull()) || us.cacheKey() == them.cacheKey());
         }
-        case Qt::LinearGradientPattern:
-        case Qt::RadialGradientPattern:
-        case Qt::ConicalGradientPattern:
-            {
-                QGradientBrushData *d1 = static_cast<QGradientBrushData *>(d.data());
-                QGradientBrushData *d2 = static_cast<QGradientBrushData *>(b.d.data());
-                return d1->gradient == d2->gradient;
-            }
-        default:
-            return true;
+    case Qt::LinearGradientPattern:
+    case Qt::RadialGradientPattern:
+    case Qt::ConicalGradientPattern:
+        {
+            const QGradientBrushData *d1 = static_cast<QGradientBrushData *>(d.data());
+            const QGradientBrushData *d2 = static_cast<QGradientBrushData *>(b.d.data());
+            return d1->gradient == d2->gradient;
         }
+    default:
+        return true;
     }
-    return false;
 }
 
 /*!
diff --git a/src/gui/painting/qdatabuffer_p.h b/src/gui/painting/qdatabuffer_p.h
index a7834ea03c..bc5f1efcf7 100644
--- a/src/gui/painting/qdatabuffer_p.h
+++ b/src/gui/painting/qdatabuffer_p.h
@@ -81,7 +81,9 @@ public:
 
     inline Type &at(int i) { Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }
     inline const Type &at(int i) const { Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }
+    inline Type &last() { Q_ASSERT(!isEmpty()); return buffer[siz-1]; }
     inline const Type &last() const { Q_ASSERT(!isEmpty()); return buffer[siz-1]; }
+    inline Type &first() { Q_ASSERT(!isEmpty()); return buffer[0]; }
     inline const Type &first() const { Q_ASSERT(!isEmpty()); return buffer[0]; }
 
     inline void add(const Type &t) {
@@ -90,6 +92,11 @@ public:
         ++siz;
     }
 
+    inline void pop_back() {
+        Q_ASSERT(siz > 0);
+        --siz;
+    }
+
     inline void resize(int size) {
         reserve(size);
         siz = size;
diff --git a/src/gui/painting/qemulationpaintengine.cpp b/src/gui/painting/qemulationpaintengine.cpp
index 4067b97ed7..0510b103a7 100644
--- a/src/gui/painting/qemulationpaintengine.cpp
+++ b/src/gui/painting/qemulationpaintengine.cpp
@@ -172,6 +172,36 @@ void QEmulationPaintEngine::drawTextItem(const QPointF &p, const QTextItem &text
         QRectF rect(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent + 1).toReal());
         fillBGRect(rect);
     }
+
+    QPainterState *s = state();
+    Qt::BrushStyle style = qbrush_style(s->pen.brush());
+    if (style >= Qt::LinearGradientPattern && style <= Qt::ConicalGradientPattern)
+    {
+        QPen savedPen = s->pen;
+        QGradient g = *s->pen.brush().gradient();
+
+        if (g.coordinateMode() > QGradient::LogicalMode) {
+            QTransform mat = s->pen.brush().transform();
+            if (g.coordinateMode() == QGradient::StretchToDeviceMode) {
+                mat.scale(real_engine->painter()->device()->width(), real_engine->painter()->device()->height());
+            } else if (g.coordinateMode() == QGradient::ObjectBoundingMode) {
+                const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem);
+                QRectF r(p.x(), p.y() - ti.ascent.toReal(), ti.width.toReal(), (ti.ascent + ti.descent + 1).toReal());
+                mat.translate(r.x(), r.y());
+                mat.scale(r.width(), r.height());
+            }
+            g.setCoordinateMode(QGradient::LogicalMode);
+            QBrush brush(g);
+            brush.setTransform(mat);
+            s->pen.setBrush(brush);
+            penChanged();
+            real_engine->drawTextItem(p, textItem);
+            s->pen = savedPen;
+            penChanged();
+            return;
+        }
+    }
+
     real_engine->drawTextItem(p, textItem);
 }
 
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index fba3595b92..f78de34e38 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1257,6 +1257,8 @@ Qt::FillRule QPainterPath::fillRule() const
 void QPainterPath::setFillRule(Qt::FillRule fillRule)
 {
     ensureData();
+    if (d_func()->fillRule == fillRule)
+        return;
     detach();
 
     d_func()->fillRule = fillRule;
diff --git a/src/gui/statemachine/qguistatemachine.cpp b/src/gui/statemachine/qguistatemachine.cpp
index 70f152d573..63ad94ef59 100644
--- a/src/gui/statemachine/qguistatemachine.cpp
+++ b/src/gui/statemachine/qguistatemachine.cpp
@@ -469,12 +469,6 @@ static QEvent *cloneEvent(QEvent *e)
     case QEvent::UngrabKeyboard:
         return new QEvent(*e);
 
-#ifdef QT_MAC_USE_COCOA
-    case QEvent::CocoaRequestModal:
-        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
-        break;
-#endif
-
     case QEvent::TouchBegin:
     case QEvent::TouchUpdate:
     case QEvent::TouchEnd:
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index b1924e7566..7f9b058109 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -5662,10 +5662,16 @@ QIcon QCommonStyle::standardIconImplementation(StandardPixmap standardIcon, cons
         OSType iconType = 0;
         switch (standardIcon) {
         case QStyle::SP_MessageBoxQuestion:
+            iconType = kQuestionMarkIcon;
+            break;
         case QStyle::SP_MessageBoxInformation:
+            iconType = kAlertNoteIcon;
+            break;
         case QStyle::SP_MessageBoxWarning:
+            iconType = kAlertCautionIcon;
+            break;
         case QStyle::SP_MessageBoxCritical:
-            iconType = kGenericApplicationIcon;
+            iconType = kAlertStopIcon;
             break;
         case SP_DesktopIcon:
             iconType = kDesktopIcon;
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index 78074c798f..40ee31d16e 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -3146,6 +3146,18 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         break;
     case PE_PanelLineEdit:
         QWindowsStyle::drawPrimitive(pe, opt, p, w);
+        // Draw the focus frame for widgets other than QLineEdit (e.g. for line edits in Webkit).
+        // Focus frame is drawn outside the rectangle passed in the option-rect.
+        if (const QStyleOptionFrame *panel = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
+            if ((opt->state & State_HasFocus) && !qobject_cast<const QLineEdit*>(w)) {
+                int vmargin = pixelMetric(QStyle::PM_FocusFrameVMargin);
+                int hmargin = pixelMetric(QStyle::PM_FocusFrameHMargin);
+                QStyleOptionFrame focusFrame = *panel;
+                focusFrame.rect = panel->rect.adjusted(-hmargin, -vmargin, hmargin, vmargin);
+                drawControl(CE_FocusFrame, &focusFrame, p, w);
+            }
+        }
+
         break;
     case PE_FrameTabWidget:
         if (const QStyleOptionTabWidgetFrame *twf
@@ -3169,7 +3181,6 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         p->drawLine(opt->rect.topLeft(), opt->rect.bottomLeft());
         } break;
     case PE_FrameStatusBarItem:
-        QCommonStyle::drawPrimitive(pe, opt, p, w);
         break;
     case PE_IndicatorTabClose: {
         bool hover = (opt->state & State_MouseOver);
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index 872bc2bd81..6d9ba050a3 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -58,8 +58,8 @@
 #include <aknsskininstance.h>
 #include <aknsbasicbackgroundcontrolcontext.h>
 #include <avkon.mbg>
-#include <AknFontAccess.h>
-#include <AknLayoutFont.h>
+#include <aknfontaccess.h>
+#include <aknlayoutfont.h>
 #include <aknutils.h>
 #include <aknnavi.h>
 #include <gulicon.h>
diff --git a/src/gui/styles/qs60style_simulated.cpp b/src/gui/styles/qs60style_simulated.cpp
index f87cf282e4..3f09ebc0c3 100644
--- a/src/gui/styles/qs60style_simulated.cpp
+++ b/src/gui/styles/qs60style_simulated.cpp
@@ -94,12 +94,12 @@ bool saveThemeToBlob(const QString &themeBlob,
         dataOut << color;
     }
 
-    const int picturesCount = partPictures.count();
-    dataOut << picturesCount;
-    foreach (const QString &key, partPictures.keys()) {
-        const QPicture picture = partPictures.value(key);
-        dataOut << key;
-        dataOut << picture;
+    dataOut << partPictures.count();
+    QHashIterator<QString, QPicture> i(partPictures);
+    while (i.hasNext()) {
+        i.next();
+        dataOut << i.key();
+        dataOut << i.value(); // the QPicture
     }
 
     QDataStream blobOut(&blob);
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index b36294ad28..1f9fc32c67 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -1065,7 +1065,7 @@ QRect QRenderRule::boxRect(const QRect& cr, int flags) const
             r.adjust(-p[LeftEdge], -p[TopEdge], p[RightEdge], p[BottomEdge]);
         }
     }
-    if (!hasNativeBorder() && (flags & Border)) {
+    if (hasBorder() && (flags & Border)) {
         const int *b = border()->borders;
         r.adjust(-b[LeftEdge], -b[TopEdge], b[RightEdge], b[BottomEdge]);
     }
@@ -1352,6 +1352,12 @@ void QRenderRule::configurePalette(QPalette *p, QPalette::ColorRole fr, QPalette
         if (br != QPalette::NoRole)
             p->setBrush(br, bg->brush);
         p->setBrush(QPalette::Window, bg->brush);
+        if (bg->brush.style() == Qt::SolidPattern) {
+            p->setBrush(QPalette::Light, bg->brush.color().lighter(115));
+            p->setBrush(QPalette::Midlight, bg->brush.color().lighter(107));
+            p->setBrush(QPalette::Dark, bg->brush.color().darker(150));
+            p->setBrush(QPalette::Shadow, bg->brush.color().darker(300));
+        }
     }
 
     if (!hasPalette())
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index 7e5397d593..87a73df2a3 100644
--- a/src/gui/text/qfontdatabase_s60.cpp
+++ b/src/gui/text/qfontdatabase_s60.cpp
@@ -50,7 +50,7 @@
 #include "qendian.h"
 #include <private/qcore_symbian_p.h>
 #if defined(QT_NO_FREETYPE)
-#include <OPENFONT.H>
+#include <openfont.h>
 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
 #include <graphics/openfontrasterizer.h> // COpenFontRasterizer has moved to a new header file
 #endif // SYMBIAN_ENABLE_SPLIT_HEADERS
diff --git a/src/gui/text/qfontdatabase_win.cpp b/src/gui/text/qfontdatabase_win.cpp
index 05c8f0861a..b30a6c3ec5 100644
--- a/src/gui/text/qfontdatabase_win.cpp
+++ b/src/gui/text/qfontdatabase_win.cpp
@@ -1101,7 +1101,6 @@ static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
         if (AddFontResource((LPCWSTR)fnt->fileName.utf16()) == 0)
             return;
 #else
-        // supported from 2000 on, so no need to deal with the *A variant
         PtrAddFontResourceExW ptrAddFontResourceExW = (PtrAddFontResourceExW)QLibrary::resolve(QLatin1String("gdi32"),
                                                                                                "AddFontResourceExW");
         if (!ptrAddFontResourceExW
diff --git a/src/gui/text/qfontengine_s60_p.h b/src/gui/text/qfontengine_s60_p.h
index 78f8a9a2fc..5834cc441d 100644
--- a/src/gui/text/qfontengine_s60_p.h
+++ b/src/gui/text/qfontengine_s60_p.h
@@ -56,7 +56,7 @@
 #include "qconfig.h"
 #include "qfontengine_p.h"
 #include "qsize.h"
-#include <OPENFONT.H>
+#include <openfont.h>
 
 class CFont;
 
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index aaaa3caec5..8d3923fecb 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -1762,8 +1762,8 @@ void QTextControlPrivate::contextMenuEvent(const QPoint &screenPos, const QPoint
     QMenu *menu = q->createStandardContextMenu(docPos, contextWidget);
     if (!menu)
         return;
-    menu->exec(screenPos);
-    delete menu;
+    menu->setAttribute(Qt::WA_DeleteOnClose);
+    menu->popup(screenPos);
 #endif
 }
 
diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index 21f318906f..80931c9418 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -61,6 +61,7 @@
 #include <qapplication.h>
 #include "qtextcontrol_p.h"
 #include "private/qtextedit_p.h"
+#include "private/qdataurl_p.h"
 
 #include "qtextdocument_p.h"
 #include <private/qprinter_p.h>
@@ -435,6 +436,23 @@ void QTextDocument::redo(QTextCursor *cursor)
 }
 
 /*!
+    \since 4.7
+    Clears the specified stacks.
+
+    This method clears any commands on the undo stack, the redo stack, or both (the
+    default). If any commands got cleared, the appropriate signals
+    (\a QTextDocument::undoAvailable or \a QTextDocument::redoAvailable) get
+    emitted.
+
+    \sa QTextDocument::undoAvailable QTextDocument::redoAvailable
+*/
+void QTextDocument::clearUndoRedoStacks(Stacks stacksToClear)
+{
+    Q_D(QTextDocument);
+    d->clearUndoRedoStacks(stacksToClear, true);
+}
+
+/*!
     \overload
 
 */
@@ -1924,6 +1942,10 @@ QVariant QTextDocument::loadResource(int type, const QUrl &name)
     }
 #endif
 
+    // handle data: URLs
+    if (r.isNull() && name.scheme() == QLatin1String("data"))
+        r = qDecodeDataUrl(name).second;
+
     // if resource was not loaded try to load it here
     if (!doc && r.isNull() && name.isRelative()) {
         QUrl currentURL = d->url;
diff --git a/src/gui/text/qtextdocument.h b/src/gui/text/qtextdocument.h
index b5bcb41277..0140772e1d 100644
--- a/src/gui/text/qtextdocument.h
+++ b/src/gui/text/qtextdocument.h
@@ -256,6 +256,13 @@ public:
     void undo(QTextCursor *cursor);
     void redo(QTextCursor *cursor);
 
+    enum Stacks {
+        UndoStack = 0x01,
+        RedoStack = 0x02,
+        UndoAndRedoStacks = UndoStack | RedoStack
+    };
+    void clearUndoRedoStacks(Stacks historyToClear = UndoAndRedoStacks);
+
     int maximumBlockCount() const;
     void setMaximumBlockCount(int maximum);
 
diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp
index 372b9dc3e2..969d5b4632 100644
--- a/src/gui/text/qtextdocument_p.cpp
+++ b/src/gui/text/qtextdocument_p.cpp
@@ -259,8 +259,7 @@ void QTextDocumentPrivate::clear()
         objects.clear();
 
         title.clear();
-        undoState = 0;
-        truncateUndoStack();
+        clearUndoRedoStacks(QTextDocument::UndoAndRedoStacks);
         text = QString();
         unreachableCharacterCount = 0;
         modifiedState = 0;
@@ -292,7 +291,7 @@ QTextDocumentPrivate::~QTextDocumentPrivate()
     cursors.clear();
     undoState = 0;
     undoEnabled = true;
-    truncateUndoStack();
+    clearUndoRedoStacks(QTextDocument::RedoStack);
 }
 
 void QTextDocumentPrivate::setLayout(QAbstractTextDocumentLayout *layout)
@@ -1027,7 +1026,7 @@ void QTextDocumentPrivate::appendUndoItem(const QTextUndoCommand &c)
     if (!undoEnabled)
         return;
     if (undoState < undoStack.size())
-        truncateUndoStack();
+        clearUndoRedoStacks(QTextDocument::RedoStack);
 
     if (!undoStack.isEmpty() && modified) {
         QTextUndoCommand &last = undoStack[undoState - 1];
@@ -1050,26 +1049,46 @@ void QTextDocumentPrivate::appendUndoItem(const QTextUndoCommand &c)
         emit document()->undoCommandAdded();
 }
 
-void QTextDocumentPrivate::truncateUndoStack()
+void QTextDocumentPrivate::clearUndoRedoStacks(QTextDocument::Stacks stacksToClear,
+                                               bool emitSignals)
 {
-    if (undoState == undoStack.size())
-        return;
-
-    for (int i = undoState; i < undoStack.size(); ++i) {
-        QTextUndoCommand c = undoStack[i];
-        if (c.command & QTextUndoCommand::Removed) {
-            // ########
-//             QTextFragment *f = c.fragment_list;
-//             while (f) {
-//                 QTextFragment *n = f->right;
-//                 delete f;
-//                 f = n;
-//             }
-        } else if (c.command & QTextUndoCommand::Custom) {
-            delete c.custom;
+    bool undoCommandsAvailable = undoState != 0;
+    bool redoCommandsAvailable = undoState != undoStack.size();
+    if (stacksToClear == QTextDocument::UndoStack && undoCommandsAvailable) {
+        for (int i = 0; i < undoState; ++i) {
+            QTextUndoCommand c = undoStack[undoState];
+            if (c.command & QTextUndoCommand::Custom)
+                delete c.custom;
         }
+        undoStack.remove(0, undoState);
+        undoStack.resize(undoStack.size() - undoState);
+        undoState = 0;
+        if (emitSignals)
+            emitUndoAvailable(false);
+    } else if (stacksToClear == QTextDocument::RedoStack
+               && redoCommandsAvailable) {
+        for (int i = undoState; i < undoStack.size(); ++i) {
+            QTextUndoCommand c = undoStack[i];
+            if (c.command & QTextUndoCommand::Custom)
+                delete c.custom;
+        }
+        undoStack.resize(undoState);
+        if (emitSignals)
+            emitRedoAvailable(false);
+    } else if (stacksToClear == QTextDocument::UndoAndRedoStacks
+               && !undoStack.isEmpty()) {
+        for (int i = 0; i < undoStack.size(); ++i) {
+            QTextUndoCommand c = undoStack[i];
+            if (c.command & QTextUndoCommand::Custom)
+                delete c.custom;
+        }
+        undoState = 0;
+        undoStack.resize(0);
+        if (emitSignals && undoCommandsAvailable)
+            emitUndoAvailable(false);
+        if (emitSignals && redoCommandsAvailable)
+            emitRedoAvailable(false);
     }
-    undoStack.resize(undoState);
 }
 
 void QTextDocumentPrivate::emitUndoAvailable(bool available)
@@ -1097,7 +1116,7 @@ void QTextDocumentPrivate::enableUndoRedo(bool enable)
 
     if (!enable) {
         undoState = 0;
-        truncateUndoStack();
+        clearUndoRedoStacks(QTextDocument::RedoStack);
         emitUndoAvailable(false);
         emitRedoAvailable(false);
     }
diff --git a/src/gui/text/qtextdocument_p.h b/src/gui/text/qtextdocument_p.h
index 4ecc2fa6cf..ac5ed3c86e 100644
--- a/src/gui/text/qtextdocument_p.h
+++ b/src/gui/text/qtextdocument_p.h
@@ -252,10 +252,11 @@ public:
     inline QFont defaultFont() const { return formats.defaultFont(); }
     inline void setDefaultFont(const QFont &f) { formats.setDefaultFont(f); }
 
+    void clearUndoRedoStacks(QTextDocument::Stacks stacksToClear, bool emitSignals = false);
+
 private:
     bool split(int pos);
     bool unite(uint f);
-    void truncateUndoStack();
 
     void insert_string(int pos, uint strPos, uint length, int format, QTextUndoCommand::Operation op);
     int insert_block(int pos, uint strPos, int format, int blockformat, QTextUndoCommand::Operation op, int command);
diff --git a/src/gui/util/qcompleter.cpp b/src/gui/util/qcompleter.cpp
index cefdb27c6d..b7be967c3e 100644
--- a/src/gui/util/qcompleter.cpp
+++ b/src/gui/util/qcompleter.cpp
@@ -62,7 +62,7 @@
 
     \snippet doc/src/snippets/code/src_gui_util_qcompleter.cpp 0
 
-    A QDirModel can be used to provide auto completion of file names.
+    A QFileSystemModel can be used to provide auto completion of file names.
     For example:
 
     \snippet doc/src/snippets/code/src_gui_util_qcompleter.cpp 1
@@ -120,7 +120,7 @@
     completion is then performed one level at a time.
 
     Let's take the example of a user typing in a file system path.
-    The model is a (hierarchical) QDirModel. The completion
+    The model is a (hierarchical) QFileSystemModel. The completion
     occurs for every element in the path. For example, if the current
     text is \c C:\Wind, QCompleter might suggest \c Windows to
     complete the current path element. Similarly, if the current text
@@ -130,12 +130,12 @@
     split the path into a list of strings that are matched at each level.
     For \c C:\Windows\Sy, it needs to be split as "C:", "Windows" and "Sy".
     The default implementation of splitPath(), splits the completionPrefix
-    using QDir::separator() if the model is a QDirModel.
+    using QDir::separator() if the model is a QFileSystemModel.
 
     To provide completions, QCompleter needs to know the path from an index.
     This is provided by pathFromIndex(). The default implementation of
     pathFromIndex(), returns the data for the \l{Qt::EditRole}{edit role}
-    for list models and the absolute file path if the mode is a QDirModel.
+    for list models and the absolute file path if the mode is a QFileSystemModel.
 
     \sa QAbstractItemModel, QLineEdit, QComboBox, {Completer Example}
 */
@@ -147,6 +147,7 @@
 #include "QtGui/qscrollbar.h"
 #include "QtGui/qstringlistmodel.h"
 #include "QtGui/qdirmodel.h"
+#include "QtGui/qfilesystemmodel.h"
 #include "QtGui/qheaderview.h"
 #include "QtGui/qlistview.h"
 #include "QtGui/qapplication.h"
@@ -470,9 +471,13 @@ QMatchData QCompletionEngine::filterHistory()
     QAbstractItemModel *source = c->proxy->sourceModel();
     if (curParts.count() <= 1 || c->proxy->showAll || !source)
         return QMatchData();
-    bool dirModel = false;
+    bool isDirModel = false;
+    bool isFsModel = false;
 #ifndef QT_NO_DIRMODEL
-    dirModel = (qobject_cast<QDirModel *>(source) != 0);
+    isDirModel = (qobject_cast<QDirModel *>(source) != 0);
+#endif
+#ifndef QT_NO_FILESYSTEMMODEL
+    isFsModel = (qobject_cast<QFileSystemModel *>(source) != 0);
 #endif
     QVector<int> v;
     QIndexMapper im(v);
@@ -482,7 +487,7 @@ QMatchData QCompletionEngine::filterHistory()
         QString str = source->index(i, c->column).data().toString();
         if (str.startsWith(c->prefix, c->cs)
 #if (!defined(Q_OS_WIN) || defined(Q_OS_WINCE)) && !defined(Q_OS_SYMBIAN)
-            && (!dirModel || QDir::toNativeSeparators(str) != QDir::separator())
+            && ((!isFsModel && !isDirModel) || QDir::toNativeSeparators(str) != QDir::separator())
 #endif
             )
             m.indices.append(i);
@@ -838,6 +843,13 @@ void QCompleterPrivate::_q_complete(QModelIndex index, bool highlighted)
                 completion += QDir::separator();
         }
 #endif
+#ifndef QT_NO_FILESYSTEMMODEL
+        // add a trailing separator in inline
+        if (mode == QCompleter::InlineCompletion) {
+            if (qobject_cast<QFileSystemModel *>(proxy->sourceModel()) && QFileInfo(completion).isDir())
+                completion += QDir::separator();
+        }
+#endif
     }
 
     if (highlighted) {
@@ -891,6 +903,14 @@ void QCompleterPrivate::showPopup(const QRect& rect)
         popup->show();
 }
 
+void QCompleterPrivate::_q_fileSystemModelDirectoryLoaded(const QString &path)
+{
+    Q_Q(QCompleter);
+    //the path given by QFileSystemModel does not end with /
+    if (q->completionPrefix() != path + QLatin1Char('/'))
+        q->complete();
+}
+
 /*!
     Constructs a completer object with the given \a parent.
 */
@@ -971,7 +991,7 @@ QWidget *QCompleter::widget() const
     be list model or a tree model. If a model has been already previously set
     and it has the QCompleter as its parent, it is deleted.
 
-    For convenience, if \a model is a QDirModel, QCompleter switches its
+    For convenience, if \a model is a QFileSystemModel, QCompleter switches its
     caseSensitivity to Qt::CaseInsensitive on Windows and Qt::CaseSensitive
     on other platforms.
 
@@ -995,6 +1015,18 @@ void QCompleter::setModel(QAbstractItemModel *model)
 #endif
     }
 #endif // QT_NO_DIRMODEL
+#ifndef QT_NO_FILESYSTEMMODEL
+    QFileSystemModel *fsModel = qobject_cast<QFileSystemModel *>(model);
+    if (fsModel) {
+#if (defined(Q_OS_WIN) && !defined(Q_OS_WINCE)) || defined(Q_OS_SYMBIAN)
+        setCaseSensitivity(Qt::CaseInsensitive);
+#else
+        setCaseSensitivity(Qt::CaseSensitive);
+#endif
+        setCompletionRole(QFileSystemModel::FileNameRole);
+        connect(fsModel, SIGNAL(directoryLoaded(QString)), this, SLOT(_q_fileSystemModelDirectoryLoaded(QString)));
+    }
+#endif // QT_NO_FILESYSTEMMODEL
 }
 
 /*!
@@ -1626,10 +1658,11 @@ QAbstractItemModel *QCompleter::completionModel() const
 
     The default implementation returns the \l{Qt::EditRole}{edit role} of the
     item for list models. It returns the absolute file path if the model is a
-    QDirModel.
+    QFileSystemModel.
 
     \sa splitPath()
 */
+
 QString QCompleter::pathFromIndex(const QModelIndex& index) const
 {
     Q_D(const QCompleter);
@@ -1639,16 +1672,25 @@ QString QCompleter::pathFromIndex(const QModelIndex& index) const
     QAbstractItemModel *sourceModel = d->proxy->sourceModel();
     if (!sourceModel)
         return QString();
+    bool isDirModel = false;
+    bool isFsModel = false;
 #ifndef QT_NO_DIRMODEL
-    QDirModel *dirModel = qobject_cast<QDirModel *>(sourceModel);
-    if (!dirModel)
+    isDirModel = qobject_cast<QDirModel *>(d->proxy->sourceModel()) != 0;
+#endif
+#ifndef QT_NO_FILESYSTEMMODEL
+    isFsModel = qobject_cast<QFileSystemModel *>(d->proxy->sourceModel()) != 0;
 #endif
+    if (!isDirModel && !isFsModel)
         return sourceModel->data(index, d->role).toString();
 
     QModelIndex idx = index;
     QStringList list;
     do {
-        QString t = sourceModel->data(idx, Qt::EditRole).toString();
+        QString t;
+        if (isDirModel)
+            t = sourceModel->data(idx, Qt::EditRole).toString();
+        else
+            t = sourceModel->data(idx, QFileSystemModel::FileNameRole).toString();
         list.prepend(t);
         QModelIndex parent = idx.parent();
         idx = parent.sibling(parent.row(), index.column());
@@ -1668,7 +1710,7 @@ QString QCompleter::pathFromIndex(const QModelIndex& index) const
     in the model().
 
     The default implementation of splitPath() splits a file system path based on
-    QDir::separator() when the sourceModel() is a QDirModel.
+    QDir::separator() when the sourceModel() is a QFileSystemModel.
 
     When used with list models, the first item in the returned list is used for
     matching.
@@ -1678,12 +1720,19 @@ QString QCompleter::pathFromIndex(const QModelIndex& index) const
 QStringList QCompleter::splitPath(const QString& path) const
 {
     bool isDirModel = false;
+    bool isFsModel = false;
 #ifndef QT_NO_DIRMODEL
     Q_D(const QCompleter);
     isDirModel = qobject_cast<QDirModel *>(d->proxy->sourceModel()) != 0;
 #endif
+#ifndef QT_NO_FILESYSTEMMODEL
+#ifdef QT_NO_DIRMODEL
+    Q_D(const QCompleter);
+#endif
+    isFsModel = qobject_cast<QFileSystemModel *>(d->proxy->sourceModel()) != 0;
+#endif
 
-    if (!isDirModel || path.isEmpty())
+    if ((!isDirModel && !isFsModel) || path.isEmpty())
         return QStringList(completionPrefix());
 
     QString pathCopy = QDir::toNativeSeparators(path);
diff --git a/src/gui/util/qcompleter.h b/src/gui/util/qcompleter.h
index 5123a40432..0cef9be3bc 100644
--- a/src/gui/util/qcompleter.h
+++ b/src/gui/util/qcompleter.h
@@ -159,6 +159,7 @@ private:
     Q_PRIVATE_SLOT(d_func(), void _q_complete(QModelIndex))
     Q_PRIVATE_SLOT(d_func(), void _q_completionSelected(const QItemSelection&))
     Q_PRIVATE_SLOT(d_func(), void _q_autoResizePopup())
+    Q_PRIVATE_SLOT(d_func(), void _q_fileSystemModelDirectoryLoaded(const QString&))
 };
 
 #endif // QT_NO_COMPLETER
diff --git a/src/gui/util/qcompleter_p.h b/src/gui/util/qcompleter_p.h
index 44be4c0204..8f00793856 100644
--- a/src/gui/util/qcompleter_p.h
+++ b/src/gui/util/qcompleter_p.h
@@ -98,6 +98,7 @@ public:
     void _q_complete(QModelIndex, bool = false);
     void _q_completionSelected(const QItemSelection&);
     void _q_autoResizePopup();
+    void _q_fileSystemModelDirectoryLoaded(const QString &path);
     void setCurrentIndex(QModelIndex, bool = true);
 };
 
diff --git a/src/gui/util/qdesktopservices_win.cpp b/src/gui/util/qdesktopservices_win.cpp
index 9f3b6e1e9e..aab7e16631 100644
--- a/src/gui/util/qdesktopservices_win.cpp
+++ b/src/gui/util/qdesktopservices_win.cpp
@@ -59,7 +59,7 @@
 #  endif
 #endif
 
-#if defined(Q_CC_MINGW) && !defined(CSIDL_MYMUSIC)
+#ifndef CSIDL_MYMUSIC
 #define CSIDL_MYMUSIC	13
 #define CSIDL_MYVIDEO	14
 #endif
@@ -97,19 +97,19 @@ static bool launchWebBrowser(const QUrl &url)
     if (url.scheme() == QLatin1String("mailto")) {
         //Retrieve the commandline for the default mail client
         //the default key used below is the command line for the mailto: shell command
-        DWORD  bufferSize = 2 * MAX_PATH;
+        DWORD  bufferSize = sizeof(wchar_t) * MAX_PATH;
         long  returnValue =  -1;
         QString command;
 
         HKEY handle;
         LONG res;
-        wchar_t keyValue[2 * MAX_PATH] = {0};
+        wchar_t keyValue[MAX_PATH] = {0};
         QString keyName(QLatin1String("mailto"));
 
         //Check if user has set preference, otherwise use default.
-        res = RegOpenKeyExW(HKEY_CURRENT_USER,
-                            L"Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\mailto\\UserChoice",
-                            0, KEY_READ, &handle);
+        res = RegOpenKeyEx(HKEY_CURRENT_USER,
+                           L"Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\mailto\\UserChoice",
+                           0, KEY_READ, &handle);
         if (res == ERROR_SUCCESS) {
             returnValue = RegQueryValueEx(handle, L"Progid", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
             if (!returnValue)
@@ -121,8 +121,8 @@ static bool launchWebBrowser(const QUrl &url)
         if (res != ERROR_SUCCESS)
             return false;
 
-        bufferSize = 2 * MAX_PATH;
-        returnValue = RegQueryValueExW(handle, L"", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
+        bufferSize = sizeof(wchar_t) * MAX_PATH;
+        returnValue = RegQueryValueEx(handle, L"", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
         if (!returnValue)
             command = QString::fromRawData((QChar*)keyValue, bufferSize);
         RegCloseKey(handle);
diff --git a/src/gui/util/qsystemtrayicon_win.cpp b/src/gui/util/qsystemtrayicon_win.cpp
index 6db158e94c..8e482e050c 100644
--- a/src/gui/util/qsystemtrayicon_win.cpp
+++ b/src/gui/util/qsystemtrayicon_win.cpp
@@ -53,7 +53,6 @@
 
 #include <qt_windows.h>
 #include <commctrl.h>
-#include <shlwapi.h>
 #include <QBitmap>
 #include <QLibrary>
 #include <QApplication>
@@ -326,8 +325,6 @@ bool QSystemTrayIconSys::winEvent( MSG *m, long *result )
                         q->contextMenu()->move(gpos);
                     }
 #endif
-                    q->contextMenu()->activateWindow();
-                    //Must be activated for proper keyboardfocus and menu closing on windows:
                 }
                 emit q->activated(QSystemTrayIcon::Context);
                 break;
diff --git a/src/gui/widgets/qcocoamenu_mac.mm b/src/gui/widgets/qcocoamenu_mac.mm
index a7e0b7960f..ce859191a7 100644
--- a/src/gui/widgets/qcocoamenu_mac.mm
+++ b/src/gui/widgets/qcocoamenu_mac.mm
@@ -46,6 +46,7 @@
 #import <private/qcocoamenuloader_mac_p.h>
 #include <private/qt_cocoa_helpers_mac_p.h>
 #include <private/qapplication_p.h>
+#include <private/qaction_p.h>
 
 #include <QtGui/QMenu>
 
@@ -70,6 +71,7 @@ QT_USE_NAMESPACE
     self = [super init];
     if (self) {
         qmenu = menu;
+        previousAction = 0;
         [self setAutoenablesItems:NO];
         [self setDelegate:self];
     }
@@ -81,13 +83,20 @@ QT_USE_NAMESPACE
     Q_UNUSED(menu);
 
     if (!item) {
-        // ### According to the docs everything will be highlighted. Not sure what we should do in
-        // Qt, so just return.
+        if (previousAction) {
+            qt_mac_clear_status_text(previousAction);
+            previousAction = 0;
+        }
         return;
     }
 
-    if (QAction *action = reinterpret_cast<QAction *>([item tag]))
+    if (QAction *action = reinterpret_cast<QAction *>([item tag])) {
+        QMenu *qtmenu = static_cast<QT_MANGLE_NAMESPACE(QCocoaMenu) *>(menu)->qmenu;
+        previousAction = action;
         action->activate(QAction::Hover);
+        qt_mac_menu_emit_hovered(qtmenu, action);
+        action->showStatusText(0); // 0 widget -> action's parent
+    }
 }
 
 - (void)menuWillOpen:(NSMenu*)menu;
@@ -100,9 +109,13 @@ QT_USE_NAMESPACE
     qt_mac_menu_collapseSeparators(menu, qtmenu->separatorsCollapsible());
 }
 
-- (void)menuWillClose:(NSMenu*)menu;
+- (void)menuDidClose:(NSMenu*)menu;
 {
     qt_mac_emit_menuSignals(((QT_MANGLE_NAMESPACE(QCocoaMenu) *)menu)->qmenu, false);
+    if (previousAction) {
+        qt_mac_clear_status_text(previousAction);
+        previousAction = 0;
+    }
 }
 
 - (BOOL)hasShortcut:(NSMenu *)menu forKey:(NSString *)key forModifiers:(NSUInteger)modifier
@@ -194,6 +207,18 @@ void qt_mac_emit_menuSignals(QMenu *menu, bool show)
     }
     qt_mac_menus_open_count += delta;
 }
+
+void qt_mac_clear_status_text(QAction *action)
+{
+    action->d_func()->showStatusText(0, QString());
+}
+
+void qt_mac_menu_emit_hovered(QMenu *menu, QAction *action)
+{
+    emit menu->hovered(action);
+}
+
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/gui/widgets/qcocoamenu_mac_p.h b/src/gui/widgets/qcocoamenu_mac_p.h
index 9f50c40875..d6ac8c59ab 100644
--- a/src/gui/widgets/qcocoamenu_mac_p.h
+++ b/src/gui/widgets/qcocoamenu_mac_p.h
@@ -55,13 +55,14 @@
 #import <Cocoa/Cocoa.h>
 
 QT_FORWARD_DECLARE_CLASS(QMenu)
+QT_FORWARD_DECLARE_CLASS(QAction)
 
 #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5
 
 @protocol NSMenuDelegate <NSObject>
 - (void)menu:(NSMenu*)menu willHighlightItem:(NSMenuItem*)item;
 - (void)menuWillOpen:(NSMenu*)menu;
-- (void)menuWillClose:(NSMenu*)menu;
+- (void)menuDidClose:(NSMenu*)menu;
 - (BOOL)hasShortcut:(NSMenu *)menu forKey:(NSString *)key forModifiers:(NSUInteger)modifier
   whichItem:(NSMenuItem**)outItem;
 @end
@@ -71,6 +72,7 @@ QT_FORWARD_DECLARE_CLASS(QMenu)
 @interface QT_MANGLE_NAMESPACE(QCocoaMenu) : NSMenu <NSMenuDelegate>
 {
     QMenu *qmenu;
+    QAction *previousAction;
 }
 - (id)initWithQMenu:(QMenu*)menu;
 - (BOOL)menuHasKeyEquivalent:(NSMenu *)menu forEvent:(NSEvent *)event target:(id *)target action:(SEL *)action;
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index 72f32dc1e0..be20a3862d 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -1268,7 +1268,8 @@ QComboBox::~QComboBox()
 
     By default, this property has a value of 10.
 
-    \note This property is ignored for non-editable comboboxes in Mac style.
+    \note This property is ignored for non-editable comboboxes in styles that returns
+    false for QStyle::SH_ComboBox_Popup such as the Mac style or the Gtk+ Style.
 */
 int QComboBox::maxVisibleItems() const
 {
@@ -2348,7 +2349,7 @@ void QComboBox::showPopup()
                     toCheck.push(idx);
 #endif
                 ++count;
-                if (!usePopup && count > d->maxVisibleItems) {
+                if (!usePopup && count >= d->maxVisibleItems) {
                     toCheck.clear();
                     break;
                 }
diff --git a/src/gui/widgets/qdatetimeedit.cpp b/src/gui/widgets/qdatetimeedit.cpp
index 762db864c4..50fa9c9b49 100644
--- a/src/gui/widgets/qdatetimeedit.cpp
+++ b/src/gui/widgets/qdatetimeedit.cpp
@@ -1175,7 +1175,7 @@ void QDateTimeEdit::keyPressEvent(QKeyEvent *event)
         return; }
     }
     QAbstractSpinBox::keyPressEvent(event);
-    if (select && !(event->modifiers() & Qt::ShiftModifier) && !d->edit->hasSelectedText()) {
+    if (select && !d->edit->hasSelectedText()) {
         if (inserted && d->sectionAt(d->edit->cursorPosition()) == QDateTimeParser::NoSectionIndex) {
             QString str = d->displayText();
             int pos = d->edit->cursorPosition();
diff --git a/src/gui/widgets/qdockarealayout.cpp b/src/gui/widgets/qdockarealayout.cpp
index d754800a2a..13f31df733 100644
--- a/src/gui/widgets/qdockarealayout.cpp
+++ b/src/gui/widgets/qdockarealayout.cpp
@@ -220,15 +220,17 @@ static quintptr tabId(const QDockAreaLayoutItem &item)
 }
 #endif
 
+static const int zero = 0;
+
 QDockAreaLayoutInfo::QDockAreaLayoutInfo()
-    : sep(0), dockPos(QInternal::LeftDock), o(Qt::Horizontal), mainWindow(0)
+    : sep(&zero), dockPos(QInternal::LeftDock), o(Qt::Horizontal), mainWindow(0)
 #ifndef QT_NO_TABBAR
     , tabbed(false), tabBar(0), tabBarShape(QTabBar::RoundedSouth), tabBarVisible(false)
 #endif
 {
 }
 
-QDockAreaLayoutInfo::QDockAreaLayoutInfo(int _sep, QInternal::DockPosition _dockPos,
+QDockAreaLayoutInfo::QDockAreaLayoutInfo(const int *_sep, QInternal::DockPosition _dockPos,
                                             Qt::Orientation _o, int tbshape,
                                             QMainWindow *window)
     : sep(_sep), dockPos(_dockPos), o(_o), mainWindow(window)
@@ -281,7 +283,7 @@ QSize QDockAreaLayoutInfo::minimumSize() const
 #endif
         {
             if (!first)
-                a += sep;
+                a += *sep;
             a += pick(o, min_size);
         }
         b = qMax(b, perp(o, min_size));
@@ -349,7 +351,7 @@ QSize QDockAreaLayoutInfo::maximumSize() const
 #endif
         {
             if (!first)
-                a += sep;
+                a += *sep;
             a += pick(o, max_size);
         }
         b = qMin(b, perp(o, max_size));
@@ -415,7 +417,7 @@ QSize QDockAreaLayoutInfo::sizeHint() const
         {
             if (previous && !gap && !(previous->flags &  QDockAreaLayoutItem::GapItem)
                 && !previous->hasFixedSize(o)) {
-                a += sep;
+                a += *sep;
             }
             a += gap ? item.size : pick(o, size_hint);
         }
@@ -491,7 +493,7 @@ static int realMinSize(const QDockAreaLayoutInfo &info)
             min = pick(info.o, item.minimumSize());
 
         if (!first)
-            result += info.sep;
+            result += *info.sep;
         result += min;
 
         first = false;
@@ -516,7 +518,7 @@ static int realMaxSize(const QDockAreaLayoutInfo &info)
             max = pick(info.o, item.maximumSize());
 
         if (!first)
-            result += info.sep;
+            result += *info.sep;
         result += max;
 
         if (result >= QWIDGETSIZE_MAX)
@@ -555,7 +557,7 @@ void QDockAreaLayoutInfo::fitItems()
             if (!(previous->flags & QDockAreaLayoutItem::GapItem)) {
                 QLayoutStruct &ls = layout_struct_list[j++];
                 ls.init();
-                ls.minimumSize = ls.maximumSize = ls.sizeHint = previous->hasFixedSize(o) ? 0 : sep;
+                ls.minimumSize = ls.maximumSize = ls.sizeHint = previous->hasFixedSize(o) ? 0 : *sep;
                 ls.empty = false;
             }
         }
@@ -938,7 +940,7 @@ int QDockAreaLayoutInfo::separatorMove(int index, int delta)
         if (item.skip()) {
             ls.empty = true;
         } else {
-            const int separatorSpace = item.hasFixedSize(o) ? 0 : sep;
+            const int separatorSpace = item.hasFixedSize(o) ? 0 : *sep;
             ls.empty = false;
             ls.pos = item.pos;
             ls.size = item.size + separatorSpace;
@@ -956,7 +958,7 @@ int QDockAreaLayoutInfo::separatorMove(int index, int delta)
         if (item.skip())
             continue;
         QLayoutStruct &ls = list[i];
-        const int separatorSpace = item.hasFixedSize(o) ? 0 : sep;
+        const int separatorSpace = item.hasFixedSize(o) ? 0 : *sep;
         item.size = ls.size - separatorSpace;
         item.pos = ls.pos;
         if (item.subinfo != 0) {
@@ -1041,11 +1043,11 @@ QLayoutItem *QDockAreaLayoutInfo::plug(const QList<int> &path)
         int next = this->next(index);
 
         if (prev != -1 && !(item_list.at(prev).flags & QDockAreaLayoutItem::GapItem)) {
-            item.pos += sep;
-            item.size -= sep;
+            item.pos += *sep;
+            item.size -= *sep;
         }
         if (next != -1 && !(item_list.at(next).flags & QDockAreaLayoutItem::GapItem))
-            item.size -= sep;
+            item.size -= *sep;
 
         QPoint pos;
         rpick(o, pos) = item.pos;
@@ -1083,11 +1085,11 @@ QLayoutItem *QDockAreaLayoutInfo::unplug(const QList<int> &path)
 #endif
     {
         if (prev != -1 && !(item_list.at(prev).flags & QDockAreaLayoutItem::GapItem)) {
-            item.pos -= sep;
-            item.size += sep;
+            item.pos -= *sep;
+            item.size += *sep;
         }
         if (next != -1 && !(item_list.at(next).flags & QDockAreaLayoutItem::GapItem))
-            item.size += sep;
+            item.size += *sep;
     }
 
     return item.widgetItem;
@@ -1255,9 +1257,9 @@ bool QDockAreaLayoutInfo::insertGap(const QList<int> &path, QLayoutItem *dockWid
             QRect r = dockedGeometry(dockWidgetItem->widget());
             gap_size = pick(o, r.size());
         if (prev != -1 && !(item_list.at(prev).flags & QDockAreaLayoutItem::GapItem))
-                sep_size += sep;
+                sep_size += *sep;
             if (next != -1 && !(item_list.at(next).flags & QDockAreaLayoutItem::GapItem))
-                sep_size += sep;
+                sep_size += *sep;
         }
         if (gap_size + sep_size > space)
             gap_size = pick(o, gap_item.minimumSize());
@@ -1364,7 +1366,7 @@ QRect QDockAreaLayoutInfo::separatorRect(int index) const
     QPoint pos = rect.topLeft();
     rpick(o, pos) = item.pos + item.size;
     QSize s = rect.size();
-    rpick(o, s) = sep;
+    rpick(o, s) = *sep;
 
     return QRect(pos, s);
 }
@@ -1413,7 +1415,7 @@ QList<int> QDockAreaLayoutInfo::findSeparator(const QPoint &_pos) const
             continue;
 
         QRect sepRect = separatorRect(i);
-        if (!sepRect.isNull() && sep == 1)
+        if (!sepRect.isNull() && *sep == 1)
             sepRect.adjust(-2, -2, 2, 2);
         //we also make sure we don't find a separator that's not there
         if (sepRect.contains(_pos) && !item.hasFixedSize(o)) {
@@ -1560,7 +1562,7 @@ void QDockAreaLayoutInfo::apply(bool animate)
         }
     }
 #ifndef QT_NO_TABBAR
-    if (sep == 1)
+    if (*sep == 1)
         updateSeparatorWidgets();
 #endif //QT_NO_TABBAR
 }
@@ -2010,7 +2012,7 @@ bool QDockAreaLayoutInfo::restoreState(QDataStream &stream, QList<QDockWidget*>
         updateTabBar();
         setCurrentTabId(tabId(item_list.at(index)));
     }
-    if (!testing && sep == 1)
+    if (!testing && *sep == 1)
         updateSeparatorWidgets();
 #endif
 
@@ -2273,13 +2275,13 @@ QDockAreaLayout::QDockAreaLayout(QMainWindow *win) : fallbackToSizeHints(true)
     const int tabShape = 0;
 #endif
     docks[QInternal::LeftDock]
-        = QDockAreaLayoutInfo(sep, QInternal::LeftDock, Qt::Vertical, tabShape, win);
+        = QDockAreaLayoutInfo(&sep, QInternal::LeftDock, Qt::Vertical, tabShape, win);
     docks[QInternal::RightDock]
-        = QDockAreaLayoutInfo(sep, QInternal::RightDock, Qt::Vertical, tabShape, win);
+        = QDockAreaLayoutInfo(&sep, QInternal::RightDock, Qt::Vertical, tabShape, win);
     docks[QInternal::TopDock]
-        = QDockAreaLayoutInfo(sep, QInternal::TopDock, Qt::Horizontal, tabShape, win);
+        = QDockAreaLayoutInfo(&sep, QInternal::TopDock, Qt::Horizontal, tabShape, win);
     docks[QInternal::BottomDock]
-        = QDockAreaLayoutInfo(sep, QInternal::BottomDock, Qt::Horizontal, tabShape, win);
+        = QDockAreaLayoutInfo(&sep, QInternal::BottomDock, Qt::Horizontal, tabShape, win);
     centralWidgetItem = 0;
 
 
@@ -3028,7 +3030,7 @@ void QDockAreaLayout::addDockWidget(QInternal::DockPosition pos, QDockWidget *do
 #else
         int tbshape = 0;
 #endif
-        QDockAreaLayoutInfo new_info(sep, pos, orientation, tbshape, mainWindow);
+        QDockAreaLayoutInfo new_info(&sep, pos, orientation, tbshape, mainWindow);
         new_info.item_list.append(new QDockAreaLayoutInfo(info));
         new_info.item_list.append(dockWidgetItem);
         info = new_info;
@@ -3324,6 +3326,12 @@ void QDockAreaLayout::keepSize(QDockWidget *w)
         item.flags |= QDockAreaLayoutItem::KeepSize;
 }
 
+void QDockAreaLayout::styleChangedEvent()
+{
+    sep = mainWindow->style()->pixelMetric(QStyle::PM_DockWidgetSeparatorExtent, 0, mainWindow);
+    fitLayout();
+}
+
 QT_END_NAMESPACE
 
 #endif // QT_NO_DOCKWIDGET
diff --git a/src/gui/widgets/qdockarealayout_p.h b/src/gui/widgets/qdockarealayout_p.h
index 0bc1aa9eee..0088f0053b 100644
--- a/src/gui/widgets/qdockarealayout_p.h
+++ b/src/gui/widgets/qdockarealayout_p.h
@@ -128,7 +128,7 @@ class Q_AUTOTEST_EXPORT QDockAreaLayoutInfo
 {
 public:
     QDockAreaLayoutInfo();
-    QDockAreaLayoutInfo(int _sep, QInternal::DockPosition _dockPos, Qt::Orientation _o,
+    QDockAreaLayoutInfo(const int *_sep, QInternal::DockPosition _dockPos, Qt::Orientation _o,
                         int tbhape, QMainWindow *window);
 
     QSize minimumSize() const;
@@ -189,7 +189,7 @@ public:
 
     QMainWindowLayout *mainWindowLayout() const;
 
-    int sep;
+    const int *sep;
     mutable QVector<QWidget*> separatorWidgets;
     QInternal::DockPosition dockPos;
     Qt::Orientation o;
@@ -300,6 +300,7 @@ public:
     QSet<QTabBar*> usedTabBars() const;
     QSet<QWidget*> usedSeparatorWidgets() const;
 #endif //QT_NO_TABBAR
+    void styleChangedEvent();
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/widgets/qfocusframe.cpp b/src/gui/widgets/qfocusframe.cpp
index d9cd5bb6fc..4f20bce001 100644
--- a/src/gui/widgets/qfocusframe.cpp
+++ b/src/gui/widgets/qfocusframe.cpp
@@ -53,11 +53,14 @@ class QFocusFramePrivate : public QWidgetPrivate
 {
     Q_DECLARE_PUBLIC(QFocusFrame)
     QWidget *widget;
-
+    QWidget *frameParent;
+    bool showFrameAboveWidget;
 public:
     QFocusFramePrivate() {
         widget = 0;
+        frameParent = 0;
         sendChildEvents = false;
+        showFrameAboveWidget = false;
     }
     void updateSize();
     void update();
@@ -66,10 +69,10 @@ public:
 void QFocusFramePrivate::update()
 {
     Q_Q(QFocusFrame);
-    q->setParent(widget->parentWidget());
+    q->setParent(frameParent);
     updateSize();
     if (q->parentWidget()->rect().intersects(q->geometry())) {
-        if (q->style()->styleHint(QStyle::SH_FocusFrame_AboveWidget, 0, q))
+        if (showFrameAboveWidget)
             q->raise();
         else
             q->stackUnder(widget);
@@ -84,7 +87,10 @@ void QFocusFramePrivate::updateSize()
     Q_Q(QFocusFrame);
     int vmargin = q->style()->pixelMetric(QStyle::PM_FocusFrameVMargin),
         hmargin = q->style()->pixelMetric(QStyle::PM_FocusFrameHMargin);
-    QRect geom(widget->x()-hmargin, widget->y()-vmargin,
+    QPoint pos(widget->x(), widget->y());
+    if (q->parentWidget() != widget->parentWidget())
+        pos = widget->parentWidget()->mapTo(q->parentWidget(), pos);
+    QRect geom(pos.x()-hmargin, pos.y()-vmargin,
                widget->width()+(hmargin*2), widget->height()+(vmargin*2));
     if(q->geometry() == geom)
         return;
@@ -176,14 +182,52 @@ void
 QFocusFrame::setWidget(QWidget *widget)
 {
     Q_D(QFocusFrame);
-    if(widget == d->widget)
-        return;
 
-    if(d->widget)
-        d->widget->removeEventFilter(this);
-    if(widget && !widget->isWindow() && widget->parentWidget()->windowType() != Qt::SubWindow) {
+    if (style()->styleHint(QStyle::SH_FocusFrame_AboveWidget, 0, this))
+        d->showFrameAboveWidget = true;
+    else
+        d->showFrameAboveWidget = false;
+
+    if (widget == d->widget)
+        return;
+    if (d->widget) {
+        // Remove event filters from the widget hierarchy.
+        QWidget *p = d->widget;
+        do {
+            p->removeEventFilter(this);
+            if (!d->showFrameAboveWidget || p == d->frameParent)
+                break;
+            p = p->parentWidget();
+        }while (p);
+    }
+    if (widget && !widget->isWindow() && widget->parentWidget()->windowType() != Qt::SubWindow) {
         d->widget = widget;
-        widget->installEventFilter(this);
+        d->widget->installEventFilter(this);
+        QWidget *p = widget->parentWidget();
+        QWidget *prev = 0;
+        if (d->showFrameAboveWidget) {
+            // Find the right parent for the focus frame.
+            while (p) {
+                // Traverse the hirerarchy of the 'widget' for setting event filter.
+                // During this if come across toolbar or a top level, use that
+                // as the parent for the focus frame. If we find a scroll area
+                // use its viewport as the parent.
+                bool isScrollArea = false;
+                if (p->isWindow() || p->inherits("QToolBar") || (isScrollArea = p->inherits("QAbstractScrollArea"))) {
+                    d->frameParent = p;
+                    // The previous one in the hierarchy will be the viewport.
+                    if (prev && isScrollArea)
+                        d->frameParent = prev;
+                    break;
+                } else {
+                    p->installEventFilter(this);
+                    prev = p;
+                    p = p->parentWidget();
+                }
+            }
+        } else {
+            d->frameParent = p;
+        }
         d->update();
     } else {
         d->widget = 0;
@@ -210,9 +254,15 @@ QFocusFrame::widget() const
 void
 QFocusFrame::paintEvent(QPaintEvent *)
 {
+    Q_D(QFocusFrame);
     QStylePainter p(this);
     QStyleOption option;
     initStyleOption(&option);
+    int vmargin = style()->pixelMetric(QStyle::PM_FocusFrameVMargin);
+    int hmargin = style()->pixelMetric(QStyle::PM_FocusFrameHMargin);
+    QWidgetPrivate *wd = qt_widget_private(d->widget);
+    QRect rect = wd->clipRect().adjusted(0, 0, hmargin*2, vmargin*2);
+    p.setClipRect(rect);
     p.drawControl(QStyle::CE_FocusFrame, option);
 }
 
@@ -233,7 +283,13 @@ QFocusFrame::eventFilter(QObject *o, QEvent *e)
             hide();
             break;
         case QEvent::ParentChange:
-            d->update();
+            if (d->showFrameAboveWidget) {
+                QWidget *w = d->widget;
+                setWidget(0);
+                setWidget(w);
+            } else {
+                d->update();
+            }
             break;
         case QEvent::Show:
             d->update();
@@ -254,6 +310,19 @@ QFocusFrame::eventFilter(QObject *o, QEvent *e)
         default:
             break;
         }
+    } else if (d->showFrameAboveWidget) {
+        // Handle changes in the parent widgets we are monitoring.
+        switch(e->type()) {
+        case QEvent::Move:
+        case QEvent::Resize:
+            d->updateSize();
+            break;
+        case QEvent::ZOrderChange:
+            raise();
+            break;
+        default:
+            break;
+        }
     }
     return false;
 }
diff --git a/src/gui/widgets/qlabel.cpp b/src/gui/widgets/qlabel.cpp
index 8428ad7ca5..b81f04fec6 100644
--- a/src/gui/widgets/qlabel.cpp
+++ b/src/gui/widgets/qlabel.cpp
@@ -781,6 +781,95 @@ Qt::TextInteractionFlags QLabel::textInteractionFlags() const
     return d->textInteractionFlags;
 }
 
+/*!
+    Selects text from position \a start and for \a length characters.
+
+    \sa selectedText()
+
+    \bold{Note:} The textInteractionFlags set on the label need to include
+    either TextSelectableByMouse or TextSelectableByKeyboard.
+
+    \since 4.7
+*/
+void QLabel::setSelection(int start, int length)
+{
+    Q_D(QLabel);
+    if (d->control) {
+        d->ensureTextPopulated();
+        QTextCursor cursor = d->control->textCursor();
+        cursor.setPosition(start);
+        cursor.setPosition(start + length, QTextCursor::KeepAnchor);
+        d->control->setTextCursor(cursor);
+    }
+}
+
+/*!
+    \property QLabel::hasSelectedText
+    \brief whether there is any text selected
+
+    hasSelectedText() returns true if some or all of the text has been
+    selected by the user; otherwise returns false.
+
+    By default, this property is false.
+
+    \sa selectedText()
+
+    \bold{Note:} The textInteractionFlags set on the label need to include
+    either TextSelectableByMouse or TextSelectableByKeyboard.
+
+    \since 4.7
+*/
+bool QLabel::hasSelectedText() const
+{
+    Q_D(const QLabel);
+    if (d->control)
+        return d->control->textCursor().hasSelection();
+    return false;
+}
+
+/*!
+    \property QLabel::selectedText
+    \brief the selected text
+
+    If there is no selected text this property's value is
+    an empty string.
+
+    By default, this property contains an empty string.
+
+    \sa hasSelectedText()
+
+    \bold{Note:} The textInteractionFlags set on the label need to include
+    either TextSelectableByMouse or TextSelectableByKeyboard.
+
+    \since 4.7
+*/
+QString QLabel::selectedText() const
+{
+    Q_D(const QLabel);
+    if (d->control)
+        return d->control->textCursor().selectedText();
+    return QString();
+}
+
+/*!
+    selectionStart() returns the index of the first selected character in the
+    label or -1 if no text is selected.
+
+    \sa selectedText()
+
+    \bold{Note:} The textInteractionFlags set on the label need to include
+    either TextSelectableByMouse or TextSelectableByKeyboard.
+
+    \since 4.7
+*/
+int QLabel::selectionStart() const
+{
+    Q_D(const QLabel);
+    if (d->control && d->control->textCursor().hasSelection())
+        return d->control->textCursor().selectionStart();
+    return -1;
+}
+
 /*!\reimp
 */
 QSize QLabel::sizeHint() const
@@ -862,8 +951,8 @@ void QLabel::contextMenuEvent(QContextMenuEvent *ev)
         return;
     }
     ev->accept();
-    menu->exec(ev->globalPos());
-    delete menu;
+    menu->setAttribute(Qt::WA_DeleteOnClose);
+    menu->popup(ev->globalPos());
 #endif
 }
 
diff --git a/src/gui/widgets/qlabel.h b/src/gui/widgets/qlabel.h
index d916078da6..54babb1564 100644
--- a/src/gui/widgets/qlabel.h
+++ b/src/gui/widgets/qlabel.h
@@ -65,6 +65,8 @@ class Q_GUI_EXPORT QLabel : public QFrame
     Q_PROPERTY(int indent READ indent WRITE setIndent)
     Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)
     Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
+    Q_PROPERTY(bool hasSelectedText READ hasSelectedText)
+    Q_PROPERTY(QString selectedText READ selectedText)
 
 public:
     explicit QLabel(QWidget *parent=0, Qt::WindowFlags f=0);
@@ -111,6 +113,11 @@ public:
     void setTextInteractionFlags(Qt::TextInteractionFlags flags);
     Qt::TextInteractionFlags textInteractionFlags() const;
 
+    void setSelection(int, int);
+    bool hasSelectedText() const;
+    QString selectedText() const;
+    int selectionStart() const;
+
 public Q_SLOTS:
     void setText(const QString &);
     void setPixmap(const QPixmap &);
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 2d2df92278..141f844ada 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -2046,9 +2046,9 @@ void QLineEdit::dropEvent(QDropEvent* e)
 */
 void QLineEdit::contextMenuEvent(QContextMenuEvent *event)
 {
-    QPointer<QMenu> menu = createStandardContextMenu();
-    menu->exec(event->globalPos());
-    delete menu;
+    QMenu *menu = createStandardContextMenu();
+    menu->setAttribute(Qt::WA_DeleteOnClose);
+    menu->popup(event->globalPos());
 }
 
 #if defined(Q_WS_WIN)
diff --git a/src/gui/widgets/qmainwindow.cpp b/src/gui/widgets/qmainwindow.cpp
index 269cd122eb..a63f3bf955 100644
--- a/src/gui/widgets/qmainwindow.cpp
+++ b/src/gui/widgets/qmainwindow.cpp
@@ -1393,6 +1393,7 @@ bool QMainWindow::event(QEvent *event)
 #endif // QT_NO_STATUSTIP
 
         case QEvent::StyleChange:
+            d->layout->layoutState.dockAreaLayout.styleChangedEvent();
             if (!d->explicitIconSize)
                 setIconSize(QSize());
             break;
@@ -1554,11 +1555,15 @@ void QMainWindow::contextMenuEvent(QContextMenuEvent *event)
 
 #ifndef QT_NO_MENU
     QMenu *popup = createPopupMenu();
-    if (popup && !popup->isEmpty()) {
-        popup->exec(event->globalPos());
-        event->accept();
+    if (popup) {
+        if (!popup->isEmpty()) {
+            popup->setAttribute(Qt::WA_DeleteOnClose);
+            popup->popup(event->globalPos());
+            event->accept();
+        } else {
+            delete popup;
+        }
     }
-    delete popup;
 #endif
 }
 #endif // QT_NO_CONTEXTMENU
diff --git a/src/gui/widgets/qmenu.cpp b/src/gui/widgets/qmenu.cpp
index 8ce7cc0006..08960dae5c 100644
--- a/src/gui/widgets/qmenu.cpp
+++ b/src/gui/widgets/qmenu.cpp
@@ -2302,9 +2302,7 @@ void QMenu::mouseReleaseEvent(QMouseEvent *e)
     QAction *action = d->actionAt(e->pos());
 
     if (action && action == d->currentAction) {
-        if (action->menu())
-            action->menu()->d_func()->setFirstActionActive();
-        else {
+        if (!action->menu()){
 #if defined(Q_WS_WIN)
             //On Windows only context menus can be activated with the right button
             if (e->button() == Qt::LeftButton || d->topCausedWidget() == 0)
diff --git a/src/gui/widgets/qmenu.h b/src/gui/widgets/qmenu.h
index 5a6a5c786f..28bd859caa 100644
--- a/src/gui/widgets/qmenu.h
+++ b/src/gui/widgets/qmenu.h
@@ -415,6 +415,7 @@ private:
     friend OSStatus qt_mac_menu_event(EventHandlerCallRef, EventRef, void *);
     friend bool qt_mac_activate_action(OSMenuRef, uint, QAction::ActionEvent, bool);
     friend void qt_mac_emit_menuSignals(QMenu *, bool);
+    friend void qt_mac_menu_emit_hovered(QMenu *menu, QAction *action);
 #endif
 };
 
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index 7e4bbb51ad..658a020859 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -247,7 +247,7 @@ bool qt_mac_activate_action(MenuRef menu, uint command, QAction::ActionEvent act
 
     //now walk up firing for each "caused" widget (like in the platform independent menu)
     QWidget *caused = 0;
-    if (GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget, sizeof(caused), 0, &caused) == noErr) {
+    if (action_e == QAction::Hover && GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget, sizeof(caused), 0, &caused) == noErr) {
         MenuRef caused_menu = 0;
         if (QMenu *qmenu2 = qobject_cast<QMenu*>(caused))
             caused_menu = qmenu2->macMenu();
@@ -260,25 +260,17 @@ bool qt_mac_activate_action(MenuRef menu, uint command, QAction::ActionEvent act
             QWidget *widget = 0;
             GetMenuItemProperty(caused_menu, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(widget), 0, &widget);
             if (QMenu *qmenu = qobject_cast<QMenu*>(widget)) {
-                if (action_e == QAction::Trigger) {
-                    emit qmenu->triggered(action->action);
-                } else if (action_e == QAction::Hover) {
-                    action->action->showStatusText(widget);
-                    emit qmenu->hovered(action->action);
-                }
+                action->action->showStatusText(widget);
+                emit qmenu->hovered(action->action);
             } else if (QMenuBar *qmenubar = qobject_cast<QMenuBar*>(widget)) {
-                if (action_e == QAction::Trigger) {
-                    emit qmenubar->triggered(action->action);
-                } else if (action_e == QAction::Hover) {
-                    action->action->showStatusText(widget);
-                    emit qmenubar->hovered(action->action);
-                }
+                action->action->showStatusText(widget);
+                emit qmenubar->hovered(action->action);
                 break; //nothing more..
             }
 
             //walk up
             if (GetMenuItemProperty(caused_menu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget,
-                                   sizeof(caused), 0, &caused) != noErr)
+                                    sizeof(caused), 0, &caused) != noErr)
                 break;
             if (QMenu *qmenu2 = qobject_cast<QMenu*>(caused))
                 caused_menu = qmenu2->macMenu();
@@ -649,7 +641,7 @@ static NSMenuItem *createNSMenuItem(const QString &title)
     NSMenuItem *item = [[NSMenuItem alloc] 
                          initWithTitle:qt_mac_QStringToNSString(title)
                          action:@selector(qtDispatcherToQAction:) keyEquivalent:@""];
-    [item setTarget:getMenuLoader()];
+    [item setTarget:nil];
     return item;
 }
 #endif
@@ -749,32 +741,6 @@ bool qt_mac_menubar_is_open()
     return qt_mac_menus_open_count > 0;
 }
 
-void qt_mac_clear_menubar()
-{
-    if (QApplication::testAttribute(Qt::AA_MacPluginApplication))
-        return;
-
-#ifndef QT_MAC_USE_COCOA
-    MenuRef clear_menu = 0;
-    if (CreateNewMenu(0, 0, &clear_menu) == noErr) {
-        SetRootMenu(clear_menu);
-        ReleaseMenu(clear_menu);
-    } else {
-        qWarning("QMenu: Internal error at %s:%d", __FILE__, __LINE__);
-    }
-    ClearMenuBar();
-    qt_mac_command_set_enabled(0, kHICommandPreferences, false);
-    InvalMenuBar();
-#else
-    QMacCocoaAutoReleasePool pool;
-    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
-    NSMenu *menu = [loader menu];
-    [loader ensureAppMenuInMenu:menu];
-    [NSApp setMainMenu:menu];
-#endif
-}
-
-
 QMacMenuAction::~QMacMenuAction()
 {
 #ifdef QT_MAC_USE_COCOA
@@ -1130,7 +1096,7 @@ QMenuPrivate::QMacMenuPrivate::addAction(QMacMenuAction *action, QMacMenuAction
                 action->menu = merge;
                 [cmd retain];
                 [cmd setAction:@selector(qtDispatcherToQAction:)];
-                [cmd setTarget:getMenuLoader()];
+                [cmd setTarget:nil];
                 [action->menuItem release];
                 action->menuItem = cmd;
                 QMenuMergeList *list = QMenuPrivate::mergeMenuItemsHash.value(merge);
@@ -1936,43 +1902,53 @@ static bool qt_mac_is_ancestor(QWidget* possibleAncestor, QWidget *child)
     Returns true if the entries of menuBar should be disabled,
     based on the modality type of modalWidget.
 */
-static bool qt_mac_should_disable_menu(QMenuBar *menuBar, QWidget *modalWidget)
+static bool qt_mac_should_disable_menu(QMenuBar *menuBar)
 {
-    if (modalWidget == 0 || menuBar == 0)
+    QWidget *modalWidget = qApp->activeModalWidget();
+    if (!modalWidget)
+        return false;
+
+    if (menuBar && menuBar == menubars()->value(modalWidget))
+        // The menu bar is owned by the modal widget.
+        // In that case we should enable it:
         return false;
 
-    // If there is an application modal window on
-    // screen, the entries of the menubar should be disabled:
+    // When there is an application modal window on screen, the entries of
+    // the menubar should be disabled. The exception in Qt is that if the
+    // modal window is the only window on screen, then we enable the menu bar.
     QWidget *w = modalWidget;
+    QWidgetList topLevelWidgets = QApplication::topLevelWidgets();
     while (w) {
-        if (w->isVisible() && w->windowModality() == Qt::ApplicationModal)
-            return true;
+        if (w->isVisible() && w->windowModality() == Qt::ApplicationModal) {
+            for (int i=0; i<topLevelWidgets.size(); ++i) {
+                QWidget *top = topLevelWidgets.at(i);
+                if (w != top && [qt_mac_window_for(top) isVisible]) {
+                    // INVARIANT: we found another visible window
+                    // on screen other than our modalWidget. We therefore
+                    // disable the menu bar to follow normal modality logic:
+                    return true;
+                }
+            }
+            // INVARIANT: We have only one window on screen that happends
+            // to be application modal. We choose to enable the menu bar
+            // in that case to e.g. enable the quit menu item.
+            return false;
+        }
         w = w->parentWidget();
     }
 
     // INVARIANT: modalWidget is window modal. Disable menu entries
-    // if the menu bar belongs to an ancestor of modalWidget:
-    return qt_mac_is_ancestor(menuBar->parentWidget(), modalWidget);
+    // if the menu bar belongs to an ancestor of modalWidget. If menuBar
+    // is nil, we understand it as the default menu bar set by the nib:
+    return menuBar ? qt_mac_is_ancestor(menuBar->parentWidget(), modalWidget) : false;
 }
 
-/*!
-  \internal
-
-  This function will update the current menu bar and set it as the
-  active menu bar in the Menu Manager.
-
-  \warning This function is not portable.
-
-  \sa QMenu::macMenu(), QMenuBar::macMenu()
-*/
-bool QMenuBar::macUpdateMenuBar()
+static QWidget *findWindowThatShouldDisplayMenubar()
 {
-    cancelAllMenuTracking();
-    QMenuBar *mb = 0;
-    //find a menu bar
     QWidget *w = qApp->activeWindow();
-
     if (!w) {
+        // We have no active window on screen. Try to
+        // find a window from the list of top levels:
         QWidgetList tlws = QApplication::topLevelWidgets();
         for(int i = 0; i < tlws.size(); ++i) {
             QWidget *tlw = tlws.at(i);
@@ -1983,6 +1959,12 @@ bool QMenuBar::macUpdateMenuBar()
             }
         }
     }
+    return w;
+}
+
+static QMenuBar *findMenubarForWindow(QWidget *w)
+{
+    QMenuBar *mb = 0;
     if (w) {
         mb = menubars()->value(w);
 #ifndef QT_NO_MAINWINDOW
@@ -1996,11 +1978,65 @@ bool QMenuBar::macUpdateMenuBar()
         while(w && !mb)
             mb = menubars()->value((w = w->parentWidget()));
     }
-    if (!mb)
+
+    if (!mb) {
+        // We could not find a menu bar for the window. Lets
+        // check if we have a global (parentless) menu bar instead:
         mb = fallback;
-    //now set it
+    }
+
+    return mb;
+}
+
+void qt_mac_clear_menubar()
+{
+    if (QApplication::testAttribute(Qt::AA_MacPluginApplication))
+        return;
+
+#ifndef QT_MAC_USE_COCOA
+    MenuRef clear_menu = 0;
+    if (CreateNewMenu(0, 0, &clear_menu) == noErr) {
+        SetRootMenu(clear_menu);
+        ReleaseMenu(clear_menu);
+    } else {
+        qWarning("QMenu: Internal error at %s:%d", __FILE__, __LINE__);
+    }
+    ClearMenuBar();
+    qt_mac_command_set_enabled(0, kHICommandPreferences, false);
+    InvalMenuBar();
+#else
+    QMacCocoaAutoReleasePool pool;
+    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
+    NSMenu *menu = [loader menu];
+    [loader ensureAppMenuInMenu:menu];
+    [NSApp setMainMenu:menu];
+    const bool modal = qt_mac_should_disable_menu(0);
+    if (qt_mac_current_menubar.qmenubar || modal != qt_mac_current_menubar.modal)
+        qt_mac_set_modal_state(menu, modal);
+    qt_mac_current_menubar.qmenubar = 0;
+    qt_mac_current_menubar.modal = modal;
+#endif
+}
+
+/*!
+  \internal
+
+  This function will update the current menu bar and set it as the
+  active menu bar in the Menu Manager.
+
+  \warning This function is not portable.
+
+  \sa QMenu::macMenu(), QMenuBar::macMenu()
+*/
+bool QMenuBar::macUpdateMenuBar()
+{
     bool ret = false;
+    cancelAllMenuTracking();
+    QWidget *w = findWindowThatShouldDisplayMenubar();
+    QMenuBar *mb = findMenubarForWindow(w);
+
     if (mb && mb->isNativeMenuBar()) {
+        bool modal = QApplicationPrivate::modalState();
 #ifdef QT_MAC_USE_COCOA
         QMacCocoaAutoReleasePool pool;
 #endif
@@ -2030,16 +2066,18 @@ bool QMenuBar::macUpdateMenuBar()
                 }
             }
 #endif
-            QWidget *modalWidget = qApp->activeModalWidget();
-            if (mb != menubars()->value(modalWidget)) {
-                qt_mac_set_modal_state(menu, qt_mac_should_disable_menu(mb, modalWidget));
-            }
+            // Check if menu is modally shaddowed and should  be disabled:
+            modal = qt_mac_should_disable_menu(mb);
+            if (mb != qt_mac_current_menubar.qmenubar || modal != qt_mac_current_menubar.modal)
+                qt_mac_set_modal_state(menu, modal);
         }
         qt_mac_current_menubar.qmenubar = mb;
-        qt_mac_current_menubar.modal = QApplicationPrivate::modalState();
+        qt_mac_current_menubar.modal = modal;
         ret = true;
     } else if (qt_mac_current_menubar.qmenubar && qt_mac_current_menubar.qmenubar->isNativeMenuBar()) {
-        const bool modal = QApplicationPrivate::modalState();
+        // INVARIANT: The currently active menu bar (if any) is not native. But we do have a
+        // native menu bar from before. So we need to decide whether or not is should be enabled:
+        const bool modal = qt_mac_should_disable_menu(qt_mac_current_menubar.qmenubar);
         if (modal != qt_mac_current_menubar.modal) {
             ret = true;
             if (OSMenuRef menu = qt_mac_current_menubar.qmenubar->macMenu()) {
@@ -2051,14 +2089,12 @@ bool QMenuBar::macUpdateMenuBar()
                 [NSApp setMainMenu:menu];
                 syncMenuBarItemsVisiblity(qt_mac_current_menubar.qmenubar->d_func()->mac_menubar);
 #endif
-                QWidget *modalWidget = qApp->activeModalWidget();
-                if (qt_mac_current_menubar.qmenubar != menubars()->value(modalWidget)) {
-                    qt_mac_set_modal_state(menu, qt_mac_should_disable_menu(mb, modalWidget));
-                }
+                qt_mac_set_modal_state(menu, modal);
             }
             qt_mac_current_menubar.modal = modal;
         }
     }
+
     if(!ret)
         qt_mac_clear_menubar();
     return ret;
diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp
index ab598d9121..02ffe13668 100644
--- a/src/gui/widgets/qplaintextedit.cpp
+++ b/src/gui/widgets/qplaintextedit.cpp
@@ -911,6 +911,7 @@ void QPlainTextEditPrivate::pageUpDown(QTextCursor::MoveOperation op, QTextCurso
         setTopBlock(block.blockNumber(), line);
 
         if (moveCursor) {
+            cursor.setVisualNavigation(true);
             // move using movePosition to keep the cursor's x
             lastY += verticalOffset();
             bool moved = false;
diff --git a/src/gui/widgets/qtabbar.cpp b/src/gui/widgets/qtabbar.cpp
index 22e825561b..7559311db6 100644
--- a/src/gui/widgets/qtabbar.cpp
+++ b/src/gui/widgets/qtabbar.cpp
@@ -1947,7 +1947,8 @@ void QTabBar::changeEvent(QEvent *event)
 {
     Q_D(QTabBar);
     if (event->type() == QEvent::StyleChange) {
-        d->elideMode = Qt::TextElideMode(style()->styleHint(QStyle::SH_TabBar_ElideMode, 0, this));
+        if (!d->elideModeSetByUser)
+            d->elideMode = Qt::TextElideMode(style()->styleHint(QStyle::SH_TabBar_ElideMode, 0, this));
         if (!d->useScrollButtonsSetByUser)
             d->useScrollButtons = !style()->styleHint(QStyle::SH_TabBar_PreferNoArrows, 0, this);
         d->refresh();
@@ -1980,6 +1981,7 @@ void QTabBar::setElideMode(Qt::TextElideMode mode)
 {
     Q_D(QTabBar);
     d->elideMode = mode;
+    d->elideModeSetByUser = true;
     d->refresh();
 }
 
diff --git a/src/gui/widgets/qtabbar_p.h b/src/gui/widgets/qtabbar_p.h
index 7588035961..83636e6b13 100644
--- a/src/gui/widgets/qtabbar_p.h
+++ b/src/gui/widgets/qtabbar_p.h
@@ -75,7 +75,7 @@ class QTabBarPrivate  : public QWidgetPrivate
 public:
     QTabBarPrivate()
         :currentIndex(-1), pressedIndex(-1), shape(QTabBar::RoundedNorth), layoutDirty(false),
-        drawBase(true), scrollOffset(0), useScrollButtonsSetByUser(false) , expanding(true), closeButtonOnTabs(false),
+        drawBase(true), scrollOffset(0), elideModeSetByUser(false), useScrollButtonsSetByUser(false), expanding(true), closeButtonOnTabs(false),
         selectionBehaviorOnRemove(QTabBar::SelectRightTab), paintWithOffsets(true), movable(false),
         dragInProgress(false), documentMode(false), movingTab(0)
 #ifdef Q_WS_MAC
@@ -186,6 +186,7 @@ public:
     void makeVisible(int index);
     QSize iconSize;
     Qt::TextElideMode elideMode;
+    bool elideModeSetByUser;
     bool useScrollButtons;
     bool useScrollButtonsSetByUser;
 
diff --git a/src/gui/widgets/qtoolbar.cpp b/src/gui/widgets/qtoolbar.cpp
index 8beda554b1..7ed27ea33d 100644
--- a/src/gui/widgets/qtoolbar.cpp
+++ b/src/gui/widgets/qtoolbar.cpp
@@ -533,6 +533,14 @@ void QToolBarPrivate::plug(const QRect &r)
 
 
 /*!
+    \fn void QToolBar::visibilityChanged(bool visible)
+    \since 4.7
+
+    This signal is emitted when the toolbar becomes \a visible (or
+    invisible). This happens when the widget is hidden or shown.
+*/
+
+/*!
     Constructs a QToolBar with the given \a parent.
 */
 QToolBar::QToolBar(QWidget *parent)
@@ -1122,6 +1130,7 @@ bool QToolBar::event(QEvent *event)
         // fallthrough intended
     case QEvent::Show:
         d->toggleViewAction->setChecked(event->type() == QEvent::Show);
+        emit visibilityChanged(event->type() == QEvent::Show);
 #if defined(Q_WS_MAC)
         if (toolbarInUnifiedToolBar(this)) {
              // I can static_cast because I did the qobject_cast in the if above, therefore
diff --git a/src/gui/widgets/qtoolbar.h b/src/gui/widgets/qtoolbar.h
index 90f20dd43b..b733477fd0 100644
--- a/src/gui/widgets/qtoolbar.h
+++ b/src/gui/widgets/qtoolbar.h
@@ -143,6 +143,7 @@ Q_SIGNALS:
     void iconSizeChanged(const QSize &iconSize);
     void toolButtonStyleChanged(Qt::ToolButtonStyle toolButtonStyle);
     void topLevelChanged(bool topLevel);
+    void visibilityChanged(bool visible);
 
 protected:
     void actionEvent(QActionEvent *event);
diff --git a/src/gui/widgets/qvalidator.cpp b/src/gui/widgets/qvalidator.cpp
index a5276d38bf..0b5cc5ab10 100644
--- a/src/gui/widgets/qvalidator.cpp
+++ b/src/gui/widgets/qvalidator.cpp
@@ -400,8 +400,10 @@ QValidator::State QIntValidator::validate(QString & input, int&) const
     qlonglong entered = QLocalePrivate::bytearrayToLongLong(buff.constData(), 10, &ok, &overflow);
     if (overflow || !ok)
         return Invalid;
-    if (entered >= b && entered <= t)
-        return Acceptable;
+    if (entered >= b && entered <= t) {
+        locale().toInt(input, &ok);
+        return ok ? Acceptable : Intermediate;
+    }
 
     if (entered >= 0) {
         // the -entered < b condition is necessary to allow people to type
@@ -412,6 +414,20 @@ QValidator::State QIntValidator::validate(QString & input, int&) const
     }
 }
 
+/*! \reimp */
+void QIntValidator::fixup(QString &input) const
+{
+    QByteArray buff;
+    if (!locale().d()->validateChars(input, QLocalePrivate::IntegerMode, &buff)) {
+        QLocale cl(QLocale::C);
+        if (!cl.d()->validateChars(input, QLocalePrivate::IntegerMode, &buff))
+            return;
+    }
+    bool ok, overflow;
+    qlonglong entered = QLocalePrivate::bytearrayToLongLong(buff.constData(), 10, &ok, &overflow);
+    if (ok && !overflow)
+        input = locale().toString(entered);
+}
 
 /*!
     Sets the range of the validator to only accept integers between \a
diff --git a/src/gui/widgets/qvalidator.h b/src/gui/widgets/qvalidator.h
index 30afbd6713..e996a0128d 100644
--- a/src/gui/widgets/qvalidator.h
+++ b/src/gui/widgets/qvalidator.h
@@ -105,6 +105,7 @@ public:
     ~QIntValidator();
 
     QValidator::State validate(QString &, int &) const;
+    void fixup(QString &input) const;
 
     void setBottom(int);
     void setTop(int);
diff --git a/src/multimedia/audio/qaudiodeviceinfo.cpp b/src/multimedia/audio/qaudiodeviceinfo.cpp
index 092efc505d..ff04b4e3d1 100644
--- a/src/multimedia/audio/qaudiodeviceinfo.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo.cpp
@@ -105,8 +105,8 @@ public:
 
     The values supported by the the device for each of these
     parameters can be fetched with
-    supportedByteOrders(), supportedChannels(), supportedCodecs(),
-    supportedFrequencies(), supportedSampleSizes(), and
+    supportedByteOrders(), supportedChannelCounts(), supportedCodecs(),
+    supportedSampleRates(), supportedSampleSizes(), and
     supportedSampleTypes(). The combinations supported are dependent on the platform,
     audio plugins installed and the audio device capabilities. If you need a specific format, you can check if
     the device supports it with isFormatSupported(), or fetch a
@@ -259,7 +259,20 @@ QStringList QAudioDeviceInfo::supportedCodecs() const
 }
 
 /*!
-    Returns a list of supported frequencies.
+    Returns a list of supported sample rates.
+
+    \since 4.7
+*/
+
+QList<int> QAudioDeviceInfo::supportedSampleRates() const
+{
+    return supportedFrequencies();
+}
+
+/*!
+    \obsolete
+
+    Use supportedSampleRates() instead.
 */
 
 QList<int> QAudioDeviceInfo::supportedFrequencies() const
@@ -268,7 +281,20 @@ QList<int> QAudioDeviceInfo::supportedFrequencies() const
 }
 
 /*!
-    Returns a list of supported channels.
+    Returns a list of supported channel counts.
+
+    \since 4.7
+*/
+
+QList<int> QAudioDeviceInfo::supportedChannelCounts() const
+{
+    return supportedChannels();
+}
+
+/*!
+    \obsolete
+
+    Use supportedChannelCount() instead.
 */
 
 QList<int> QAudioDeviceInfo::supportedChannels() const
diff --git a/src/multimedia/audio/qaudiodeviceinfo.h b/src/multimedia/audio/qaudiodeviceinfo.h
index 62dc8a2761..1cc07319d8 100644
--- a/src/multimedia/audio/qaudiodeviceinfo.h
+++ b/src/multimedia/audio/qaudiodeviceinfo.h
@@ -84,7 +84,9 @@ public:
 
     QStringList supportedCodecs() const;
     QList<int> supportedFrequencies() const;
+    QList<int> supportedSampleRates() const;
     QList<int> supportedChannels() const;
+    QList<int> supportedChannelCounts() const;
     QList<int> supportedSampleSizes() const;
     QList<QAudioFormat::Endian> supportedByteOrders() const;
     QList<QAudioFormat::SampleType> supportedSampleTypes() const;
diff --git a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
index f6b8154a54..955a880242 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
@@ -95,14 +95,14 @@ QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
     QAudioFormat nearest;
     if(mode == QAudio::AudioOutput) {
         nearest.setFrequency(44100);
-        nearest.setChannels(2);
+        nearest.setChannelCount(2);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(16);
         nearest.setCodec(QLatin1String("audio/pcm"));
     } else {
         nearest.setFrequency(11025);
-        nearest.setChannels(1);
+        nearest.setChannelCount(1);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(8);
diff --git a/src/multimedia/audio/qaudioformat.cpp b/src/multimedia/audio/qaudioformat.cpp
index 89ae0ffefb..86d72f6197 100644
--- a/src/multimedia/audio/qaudioformat.cpp
+++ b/src/multimedia/audio/qaudioformat.cpp
@@ -111,7 +111,7 @@ public:
             \o Parameter
             \o Description
         \row
-            \o Frequency
+            \o Sample Rate
             \o Samples per second of audio data in Hertz.
         \row
             \o Number of channels
@@ -143,8 +143,8 @@ public:
 
     Values are initialized as follows:
     \list
-    \o frequency()  = -1
-    \o channels()   = -1
+    \o sampleRate()  = -1
+    \o channelCount() = -1
     \o sampleSize() = -1
     \o byteOrder()  = QAudioFormat::Endian(QSysInfo::ByteOrder)
     \o sampleType() = QAudioFormat::Unknown
@@ -224,7 +224,20 @@ bool QAudioFormat::isValid() const
 }
 
 /*!
-   Sets the frequency to \a frequency.
+   Sets the sample rate to \a samplerate Hertz.
+
+   \since 4.7
+*/
+
+void QAudioFormat::setSampleRate(int samplerate)
+{
+    d->frequency = samplerate;
+}
+
+/*!
+   \obsolete
+
+   Use setSampleRate() instead.
 */
 
 void QAudioFormat::setFrequency(int frequency)
@@ -233,7 +246,20 @@ void QAudioFormat::setFrequency(int frequency)
 }
 
 /*!
-    Returns the current frequency value.
+    Returns the current sample rate in Hertz.
+
+    \since 4.7
+*/
+
+int QAudioFormat::sampleRate() const
+{
+    return d->frequency;
+}
+
+/*!
+   \obsolete
+
+   Use sampleRate() instead.
 */
 
 int QAudioFormat::frequency() const
@@ -242,7 +268,20 @@ int QAudioFormat::frequency() const
 }
 
 /*!
-   Sets the channels to \a channels.
+   Sets the channel count to \a channels.
+
+   \since 4.7
+*/
+
+void QAudioFormat::setChannelCount(int channels)
+{
+    d->channels = channels;
+}
+
+/*!
+   \obsolete
+
+   Use setChannelCount() instead.
 */
 
 void QAudioFormat::setChannels(int channels)
@@ -251,7 +290,20 @@ void QAudioFormat::setChannels(int channels)
 }
 
 /*!
-    Returns the current channel value.
+    Returns the current channel count value.
+
+    \since 4.7
+*/
+
+int QAudioFormat::channelCount() const
+{
+    return d->channels;
+}
+
+/*!
+    \obsolete
+
+    Use channelCount() instead.
 */
 
 int QAudioFormat::channels() const
diff --git a/src/multimedia/audio/qaudioformat.h b/src/multimedia/audio/qaudioformat.h
index cb58d1ca27..6c835b77ed 100644
--- a/src/multimedia/audio/qaudioformat.h
+++ b/src/multimedia/audio/qaudioformat.h
@@ -75,9 +75,13 @@ public:
 
     void setFrequency(int frequency);
     int frequency() const;
+    void setSampleRate(int sampleRate);
+    int sampleRate() const;
 
     void setChannels(int channels);
     int channels() const;
+    void setChannelCount(int channelCount);
+    int channelCount() const;
 
     void setSampleSize(int sampleSize);
     int sampleSize() const;
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index 17e8bfbf4c..84fd2a58be 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -230,6 +230,11 @@ bool QAudioInputPrivate::open()
     } else {
         period_size = buffer_size/5;
     }
+#ifdef Q_OS_WINCE
+    // For wince reduce size to 40ms for buffer size and 20ms period
+    buffer_size = settings.sampleRate()*settings.channelCount()*(settings.sampleSize()/8)*0.04;
+    period_size = buffer_size/2;
+#endif
     timeStamp.restart();
     elapsedTimeOffset = 0;
     wfx.nSamplesPerSec = settings.frequency();
diff --git a/src/network/access/qnetworkaccessdatabackend.cpp b/src/network/access/qnetworkaccessdatabackend.cpp
index 52c554f6aa..a2e7ef5654 100644
--- a/src/network/access/qnetworkaccessdatabackend.cpp
+++ b/src/network/access/qnetworkaccessdatabackend.cpp
@@ -43,6 +43,7 @@
 #include "qnetworkrequest.h"
 #include "qnetworkreply.h"
 #include "qurlinfo.h"
+#include "private/qdataurl_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -78,53 +79,20 @@ void QNetworkAccessDataBackend::open()
         return;
     }
 
-    if (uri.host().isEmpty()) {
-        setHeader(QNetworkRequest::ContentTypeHeader, QLatin1String("text/plain;charset=US-ASCII"));
-
-        // the following would have been the correct thing, but
-        // reality often differs from the specification. People have
-        // data: URIs with ? and #
-        //QByteArray data = QByteArray::fromPercentEncoding(uri.encodedPath());
-        QByteArray data = QByteArray::fromPercentEncoding(uri.toEncoded());
-
-        // remove the data: scheme
-        data.remove(0, 5);
-
-        // parse it:
-        int pos = data.indexOf(',');
-        if (pos != -1) {
-            QByteArray payload = data.mid(pos + 1);
-            data.truncate(pos);
-            data = data.trimmed();
-
-            // find out if the payload is encoded in Base64
-            if (data.endsWith(";base64")) {
-                payload = QByteArray::fromBase64(payload);
-                data.chop(7);
-            }
-
-            if (data.toLower().startsWith("charset")) {
-                int i = 7;      // strlen("charset")
-                while (data.at(i) == ' ')
-                    ++i;
-                if (data.at(i) == '=')
-                    data.prepend("text/plain;");
-            }
-
-            if (!data.isEmpty())
-                setHeader(QNetworkRequest::ContentTypeHeader, data.trimmed());
-
-            setHeader(QNetworkRequest::ContentLengthHeader, payload.size());
-            emit metaDataChanged();
-
-            QByteDataBuffer list;
-            list.append(payload);
-            payload.clear(); // important because of implicit sharing!
-            writeDownstreamData(list);
-
-            finished();
-            return;
-        }
+    QPair<QString, QByteArray> decoded = qDecodeDataUrl(uri);
+
+    if (! decoded.first.isNull()) {
+        setHeader(QNetworkRequest::ContentTypeHeader, decoded.first);
+        setHeader(QNetworkRequest::ContentLengthHeader, decoded.second.size());
+        emit metaDataChanged();
+
+        QByteDataBuffer list;
+        list.append(decoded.second);
+        decoded.second.clear(); // important because of implicit sharing!
+        writeDownstreamData(list);
+
+        finished();
+        return;
     }
 
     // something wrong with this URI
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp
index 61a95fe2b6..8e02723b75 100644
--- a/src/network/access/qnetworkaccesshttpbackend.cpp
+++ b/src/network/access/qnetworkaccesshttpbackend.cpp
@@ -480,10 +480,24 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest,
         loadedFromCache = false;
 }
 
+static QHttpNetworkRequest::Priority convert(const QNetworkRequest::Priority& prio)
+{
+    switch (prio) {
+    case QNetworkRequest::LowPriority:
+        return QHttpNetworkRequest::LowPriority;
+    case QNetworkRequest::HighPriority:
+        return QHttpNetworkRequest::HighPriority;
+    case QNetworkRequest::NormalPriority:
+    default:
+        return QHttpNetworkRequest::NormalPriority;
+    }
+}
+
 void QNetworkAccessHttpBackend::postRequest()
 {
     bool loadedFromCache = false;
     QHttpNetworkRequest httpRequest;
+    httpRequest.setPriority(convert(request().priority()));
     switch (operation()) {
     case QNetworkAccessManager::GetOperation:
         httpRequest.setOperation(QHttpNetworkRequest::Get);
diff --git a/src/network/access/qnetworkreply.cpp b/src/network/access/qnetworkreply.cpp
index 0a8ea5d03a..15748fece7 100644
--- a/src/network/access/qnetworkreply.cpp
+++ b/src/network/access/qnetworkreply.cpp
@@ -533,6 +533,21 @@ QByteArray QNetworkReply::rawHeader(const QByteArray &headerName) const
     return QByteArray();
 }
 
+/*! \typedef QNetworkReply::RawHeaderPair
+
+  RawHeaderPair is a QPair<QByteArray, QByteArray> where the first
+  QByteArray is the header name and the second is the header.
+ */
+
+/*!
+  Returns a list of raw header pairs.
+ */
+const QList<QNetworkReply::RawHeaderPair>& QNetworkReply::rawHeaderPairs() const
+{
+    Q_D(const QNetworkReply);
+    return d->rawHeaders;
+}
+
 /*!
     Returns a list of headers fields that were sent by the remote
     server, in the order that they were sent. Duplicate headers are
diff --git a/src/network/access/qnetworkreply.h b/src/network/access/qnetworkreply.h
index 5be4cce264..5db4985f9c 100644
--- a/src/network/access/qnetworkreply.h
+++ b/src/network/access/qnetworkreply.h
@@ -128,6 +128,9 @@ public:
     QList<QByteArray> rawHeaderList() const;
     QByteArray rawHeader(const QByteArray &headerName) const;
 
+    typedef QPair<QByteArray, QByteArray> RawHeaderPair;
+    const QList<RawHeaderPair>& rawHeaderPairs() const;
+
     // attributes
     QVariant attribute(QNetworkRequest::Attribute code) const;
 
diff --git a/src/network/access/qnetworkrequest.cpp b/src/network/access/qnetworkrequest.cpp
index a2bef67ce2..b8438a26d4 100644
--- a/src/network/access/qnetworkrequest.cpp
+++ b/src/network/access/qnetworkrequest.cpp
@@ -218,8 +218,9 @@ class QNetworkRequestPrivate: public QSharedData, public QNetworkHeadersPrivate
 {
 public:
     inline QNetworkRequestPrivate()
+        : priority(QNetworkRequest::NormalPriority)
 #ifndef QT_NO_OPENSSL
-        : sslConfiguration(0)
+        , sslConfiguration(0)
 #endif
     { qRegisterMetaType<QNetworkRequest>(); }
     ~QNetworkRequestPrivate()
@@ -234,6 +235,7 @@ public:
         : QSharedData(other), QNetworkHeadersPrivate(other)
     {
         url = other.url;
+        priority = other.priority;
 
 #ifndef QT_NO_OPENSSL
         sslConfiguration = 0;
@@ -245,12 +247,14 @@ public:
     inline bool operator==(const QNetworkRequestPrivate &other) const
     {
         return url == other.url &&
+            priority == other.priority &&
             rawHeaders == other.rawHeaders &&
             attributes == other.attributes;
         // don't compare cookedHeaders
     }
 
     QUrl url;
+    QNetworkRequest::Priority priority;
 #ifndef QT_NO_OPENSSL
     mutable QSslConfiguration *sslConfiguration;
 #endif
@@ -516,6 +520,45 @@ QObject *QNetworkRequest::originatingObject() const
     return d->originatingObject.data();
 }
 
+/*!
+    \since 4.7
+
+    Return the priority of this request.
+
+    \sa setPriority()
+*/
+QNetworkRequest::Priority QNetworkRequest::priority() const
+{
+    return d->priority;
+}
+
+/*! \enum QNetworkRequest::Priority
+
+  \since 4.7
+  
+  This enum lists the possible network request priorities.
+
+  \value HighPriority   High priority
+  \value NormalPriority Normal priority
+  \value LowPriority    Low priority
+ */
+
+/*!
+    \since 4.7
+
+    Set the priority of this request to \a priority.
+
+    \note The \a priority is only a hint to the network access
+    manager.  It can use it or not. Currently it is used for HTTP to
+    decide which request should be sent first to a server.
+
+    \sa priority()
+*/
+void QNetworkRequest::setPriority(Priority priority)
+{
+    d->priority = priority;
+}
+
 static QByteArray headerName(QNetworkRequest::KnownHeaders header)
 {
     switch (header) {
diff --git a/src/network/access/qnetworkrequest.h b/src/network/access/qnetworkrequest.h
index fe01f8c9a1..bc2d9da19e 100644
--- a/src/network/access/qnetworkrequest.h
+++ b/src/network/access/qnetworkrequest.h
@@ -89,6 +89,12 @@ public:
         AlwaysCache
     };
 
+    enum Priority {
+        HighPriority = 1,
+        NormalPriority = 3,
+        LowPriority = 5
+    };
+
     explicit QNetworkRequest(const QUrl &url = QUrl());
     QNetworkRequest(const QNetworkRequest &other);
     ~QNetworkRequest();
@@ -123,6 +129,9 @@ public:
     void setOriginatingObject(QObject *object);
     QObject *originatingObject() const;
 
+    Priority priority() const;
+    void setPriority(Priority priority);
+
 private:
     QSharedDataPointer<QNetworkRequestPrivate> d;
     friend class QNetworkRequestPrivate;
diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
index e454c12198..559a6fd62d 100644
--- a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
+++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp
@@ -139,7 +139,7 @@ void QGL2PEXVertexArray::addPath(const QVectorPath &path, GLfloat curveInverseSc
                 // threshold based on same algorithm as in qtriangulatingstroker.cpp
                 int threshold = qMin<float>(64, qMax(bounds.width(), bounds.height()) * 3.14f / (curveInverseScale * 6));
                 if (threshold < 3) threshold = 3;
-                qreal one_over_threshold_minus_1 = 1.f / (threshold - 1);
+                qreal one_over_threshold_minus_1 = qreal(1) / (threshold - 1);
                 for (int t=0; t<threshold; ++t) {
                     QPointF pt = b.pointAt(t * one_over_threshold_minus_1);
                     lineToArray(pt.x(), pt.y());
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 4ae8e6a46f..12ac69d68d 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -78,6 +78,7 @@
 #include <private/qpixmapdata_gl_p.h>
 #include <private/qdatabuffer_p.h>
 #include <private/qstatictext_p.h>
+#include <private/qtriangulator_p.h>
 
 #include "qglgradientcache_p.h"
 #include "qglengineshadermanager_p.h"
@@ -609,10 +610,13 @@ struct QGL2PEVectorPathCache
 {
 #ifdef QT_OPENGL_CACHE_AS_VBOS
     GLuint vbo;
+    GLuint ibo;
 #else
     float *vertices;
+    quint32 *indices;
 #endif
     int vertexCount;
+    int indexCount;
     GLenum primitiveType;
     qreal iscale;
 };
@@ -623,9 +627,12 @@ void QGL2PaintEngineExPrivate::cleanupVectorPath(QPaintEngineEx *engine, void *d
 #ifdef QT_OPENGL_CACHE_AS_VBOS
     Q_ASSERT(engine->type() == QPaintEngine::OpenGL2);
     static_cast<QGL2PaintEngineEx *>(engine)->d_func()->unusedVBOSToClean << c->vbo;
+    if (c->ibo)
+        d->unusedIBOSToClean << c->ibo;
 #else
     Q_UNUSED(engine);
     qFree(c->vertices);
+    qFree(c->indices);
 #endif
     delete c;
 }
@@ -656,6 +663,9 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 
     const QPointF* const points = reinterpret_cast<const QPointF*>(path.points());
 
+    // ### Remove before release...
+    static bool do_vectorpath_cache = qgetenv("QT_OPENGL_NO_PATH_CACHE").isEmpty();
+
     // Check to see if there's any hints
     if (path.shape() == QVectorPath::RectangleHint) {
         QGLRect rect(points[0].x(), points[0].y(), points[2].x(), points[2].y());
@@ -667,6 +677,8 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
             QVectorPath::CacheEntry *data = path.lookupCacheData(q);
             QGL2PEVectorPathCache *cache;
 
+            bool updateCache = false;
+
             if (data) {
                 cache = (QGL2PEVectorPathCache *) data->data;
                 // Check if scale factor is exceeded for curved paths and generate curves if so...
@@ -676,34 +688,39 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 #ifdef QT_OPENGL_CACHE_AS_VBOS
                         glDeleteBuffers(1, &cache->vbo);
                         cache->vbo = 0;
+                        Q_ASSERT(cache->ibo == 0);
 #else
                         qFree(cache->vertices);
+                        Q_ASSERT(cache->indices == 0);
 #endif
-                        cache->vertexCount = 0;
+                        updateCache = true;
                     }
                 }
             } else {
                 cache = new QGL2PEVectorPathCache;
-                cache->vertexCount = 0;
                 data = const_cast<QVectorPath &>(path).addCacheData(q, cache, cleanupVectorPath);
+                updateCache = true;
             }
 
             // Flatten the path at the current scale factor and fill it into the cache struct.
-            if (!cache->vertexCount) {
+            if (updateCache) {
                 vertexCoordinateArray.clear();
                 vertexCoordinateArray.addPath(path, inverseScale, false);
                 int vertexCount = vertexCoordinateArray.vertexCount();
                 int floatSizeInBytes = vertexCount * 2 * sizeof(float);
                 cache->vertexCount = vertexCount;
+                cache->indexCount = 0;
                 cache->primitiveType = GL_TRIANGLE_FAN;
                 cache->iscale = inverseScale;
 #ifdef QT_OPENGL_CACHE_AS_VBOS
                 glGenBuffers(1, &cache->vbo);
                 glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
                 glBufferData(GL_ARRAY_BUFFER, floatSizeInBytes, vertexCoordinateArray.data(), GL_STATIC_DRAW);
+                cache->ibo = 0;
 #else
                 cache->vertices = (float *) qMalloc(floatSizeInBytes);
                 memcpy(cache->vertices, vertexCoordinateArray.data(), floatSizeInBytes);
+                cache->indices = 0;
 #endif
             }
 
@@ -719,8 +736,6 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
         } else {
       //        printf(" - Marking path as cachable...\n");
             // Tag it for later so that if the same path is drawn twice, it is assumed to be static and thus cachable
-            // ### Remove before release...
-            static bool do_vectorpath_cache = qgetenv("QT_OPENGL_NO_PATH_CACHE").isEmpty();
             if (do_vectorpath_cache)
                 path.makeCacheable();
             vertexCoordinateArray.clear();
@@ -730,31 +745,117 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
         }
 
     } else {
-        // The path is too complicated & needs the stencil technique
-        vertexCoordinateArray.clear();
-        vertexCoordinateArray.addPath(path, inverseScale, false);
+        bool useCache = path.isCacheable();
+        if (useCache) {
+            QRectF bbox = path.controlPointRect();
+            // If the path doesn't fit within these limits, it is possible that the triangulation will fail.
+            useCache &= (bbox.left() > -0x8000 * inverseScale)
+                     && (bbox.right() < 0x8000 * inverseScale)
+                     && (bbox.top() > -0x8000 * inverseScale)
+                     && (bbox.bottom() < 0x8000 * inverseScale);
+        }
 
-        fillStencilWithVertexArray(vertexCoordinateArray, path.hasWindingFill());
+        if (useCache) {
+            QVectorPath::CacheEntry *data = path.lookupCacheData(q);
+            QGL2PEVectorPathCache *cache;
 
-        glStencilMask(0xff);
-        glStencilOp(GL_KEEP, GL_REPLACE, GL_REPLACE);
+            bool updateCache = false;
+
+            if (data) {
+                cache = (QGL2PEVectorPathCache *) data->data;
+                // Check if scale factor is exceeded for curved paths and generate curves if so...
+                if (path.isCurved()) {
+                    qreal scaleFactor = cache->iscale / inverseScale;
+                    if (scaleFactor < 0.5 || scaleFactor > 2.0) {
+#ifdef QT_OPENGL_CACHE_AS_VBOS
+                        glDeleteBuffers(1, &cache->vbo);
+                        glDeleteBuffers(1, &cache->ibo);
+#else
+                        qFree(cache->vertices);
+                        qFree(cache->indices);
+#endif
+                        updateCache = true;
+                    }
+                }
+            } else {
+                cache = new QGL2PEVectorPathCache;
+                data = const_cast<QVectorPath &>(path).addCacheData(q, cache, cleanupVectorPath);
+                updateCache = true;
+            }
+
+            // Flatten the path at the current scale factor and fill it into the cache struct.
+            if (updateCache) {
+                QTriangleSet polys = qTriangulate(path, QTransform().scale(1 / inverseScale, 1 / inverseScale));
+                cache->vertexCount = polys.vertices.size() / 2;
+                cache->indexCount = polys.indices.size();
+                cache->primitiveType = GL_TRIANGLES;
+                cache->iscale = inverseScale;
+
+#ifdef QT_OPENGL_CACHE_AS_VBOS
+                glGenBuffers(1, &cache->vbo);
+                glGenBuffers(1, &cache->ibo);
+                glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
+                glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cache->ibo);
+                glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(quint32) * polys.indices.size(), polys.indices.data(), GL_STATIC_DRAW);
+
+                QVarLengthArray<float> vertices(polys.vertices.size());
+                for (int i = 0; i < polys.vertices.size(); ++i)
+                    vertices[i] = float(inverseScale * polys.vertices.at(i));
+                glBufferData(GL_ARRAY_BUFFER, sizeof(float) * vertices.size(), vertices.data(), GL_STATIC_DRAW);
+#else
+                cache->vertices = (float *) qMalloc(sizeof(float) * polys.vertices.size());
+                cache->indices = (quint32 *) qMalloc(sizeof(quint32) * polys.indices.size());
+                memcpy(cache->indices, polys.indices.data(), sizeof(quint32) * polys.indices.size());
+                for (int i = 0; i < polys.vertices.size(); ++i)
+                    cache->vertices[i] = float(inverseScale * polys.vertices.at(i));
+#endif
+            }
+
+            prepareForDraw(currentBrush.isOpaque());
+#ifdef QT_OPENGL_CACHE_AS_VBOS
+            glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cache->ibo);
+            setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, 0);
+            glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_INT, 0);
+            glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+            glBindBuffer(GL_ARRAY_BUFFER, 0);
+#else
+            setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, cache->vertices);
+            glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_INT, cache->indices);
+#endif
 
-        if (q->state()->clipTestEnabled) {
-            // Pass when high bit is set, replace stencil value with current clip
-            glStencilFunc(GL_NOTEQUAL, q->state()->currentClip, GL_STENCIL_HIGH_BIT);
-        } else if (path.hasWindingFill()) {
-            // Pass when any bit is set, replace stencil value with 0
-            glStencilFunc(GL_NOTEQUAL, 0, 0xff);
         } else {
-            // Pass when high bit is set, replace stencil value with 0
-            glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT);
-        }
-        prepareForDraw(currentBrush.isOpaque());
+      //        printf(" - Marking path as cachable...\n");
+            // Tag it for later so that if the same path is drawn twice, it is assumed to be static and thus cachable
+            if (do_vectorpath_cache)
+                path.makeCacheable();
 
-        // Stencil the brush onto the dest buffer
-        composite(vertexCoordinateArray.boundingRect());
-        glStencilMask(0);
-        updateClipScissorTest();
+            // The path is too complicated & needs the stencil technique
+            vertexCoordinateArray.clear();
+            vertexCoordinateArray.addPath(path, inverseScale, false);
+
+            fillStencilWithVertexArray(vertexCoordinateArray, path.hasWindingFill());
+
+            glStencilMask(0xff);
+            glStencilOp(GL_KEEP, GL_REPLACE, GL_REPLACE);
+
+            if (q->state()->clipTestEnabled) {
+                // Pass when high bit is set, replace stencil value with current clip
+                glStencilFunc(GL_NOTEQUAL, q->state()->currentClip, GL_STENCIL_HIGH_BIT);
+            } else if (path.hasWindingFill()) {
+                // Pass when any bit is set, replace stencil value with 0
+                glStencilFunc(GL_NOTEQUAL, 0, 0xff);
+            } else {
+                // Pass when high bit is set, replace stencil value with 0
+                glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT);
+            }
+            prepareForDraw(currentBrush.isOpaque());
+
+            // Stencil the brush onto the dest buffer
+            composite(vertexCoordinateArray.boundingRect());
+            glStencilMask(0);
+            updateClipScissorTest();
+        }
     }
 }
 
@@ -1246,14 +1347,14 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem
                                             ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat)
                                             : d->glyphCacheType;
 
-    if (txtype > QTransform::TxTranslate)
-        glyphType = QFontEngineGlyphCache::Raster_A8;
 
-    if (glyphType == QFontEngineGlyphCache::Raster_RGBMask
-        && state()->composition_mode != QPainter::CompositionMode_Source
-        && state()->composition_mode != QPainter::CompositionMode_SourceOver)
-    {
-        drawCached = false;
+    if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) {
+        if (d->deviceHasAlpha || txtype > QTransform::TxTranslate
+            || (state()->composition_mode != QPainter::CompositionMode_Source
+            && state()->composition_mode != QPainter::CompositionMode_SourceOver))
+        {
+            glyphType = QFontEngineGlyphCache::Raster_A8;
+        }
     }
 
     if (drawCached) {
@@ -1642,6 +1743,23 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     d->dirtyStencilRegion = QRect(0, 0, d->width, d->height);
     d->stencilClean = true;
 
+    switch (pdev->devType()) {
+    case QInternal::Pixmap:
+        d->deviceHasAlpha = static_cast<QPixmap *>(pdev)->hasAlphaChannel();
+        break;
+    case QInternal::FramebufferObject:
+        {
+            GLenum f = static_cast<QGLFramebufferObject *>(pdev)->format().internalTextureFormat();
+            d->deviceHasAlpha = (f != GL_RGB && f != GL_RGB5 && f != GL_RGB8);
+        }
+        break;
+    default:
+        // widget, pbuffer
+        d->deviceHasAlpha = d->ctx->d_func()->reqFormat.alpha();
+        break;
+    }
+
+
     // Calling begin paint should make the correct context current. So, any
     // code which calls into GL or otherwise needs a current context *must*
     // go after beginPaint:
@@ -1714,6 +1832,10 @@ bool QGL2PaintEngineEx::end()
         glDeleteBuffers(d->unusedVBOSToClean.size(), d->unusedVBOSToClean.constData());
         d->unusedVBOSToClean.clear();
     }
+    if (!d->unusedIBOSToClean.isEmpty()) {
+        glDeleteBuffers(d->unusedIBOSToClean.size(), d->unusedIBOSToClean.constData());
+        d->unusedIBOSToClean.clear();
+    }
 #endif
 
     return false;
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index f757bc4809..c60eac1194 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -281,6 +281,7 @@ public:
 
     bool needsSync;
     bool multisamplingAlwaysEnabled;
+    bool deviceHasAlpha;
 
     GLfloat depthRange[2];
 
@@ -296,6 +297,7 @@ public:
 
     QSet<QVectorPath::CacheEntry *> pathCaches;
     QVector<GLuint> unusedVBOSToClean;
+    QVector<GLuint> unusedIBOSToClean;
 
     const GLfloat *vertexAttribPointers[3];
 };
diff --git a/src/opengl/gl2paintengineex/qtriangulator.cpp b/src/opengl/gl2paintengineex/qtriangulator.cpp
new file mode 100644
index 0000000000..115f31b23b
--- /dev/null
+++ b/src/opengl/gl2paintengineex/qtriangulator.cpp
@@ -0,0 +1,2983 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtriangulator_p.h"
+
+#include <QtGui/qdialog.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qpainter.h>
+#include <QtGui/qpainterpath.h>
+#include <QtGui/private/qbezier_p.h>
+#include <QtGui/private/qdatabuffer_p.h>
+#include <QtCore/qbitarray.h>
+#include <QtCore/qvarlengtharray.h>
+#include <QtCore/qqueue.h>
+#include <QtCore/qglobal.h>
+#include <QtCore/qpoint.h>
+#include <QtCore/qalgorithms.h>
+#include <QtDebug>
+
+#include <math.h>
+
+QT_BEGIN_NAMESPACE
+
+//#define Q_TRIANGULATOR_DEBUG
+
+#define Q_FIXED_POINT_SCALE 32
+
+// Quick sort.
+template <class T, class LessThan>
+static void sort(T *array, int count, LessThan lessThan)
+{
+    // If the number of elements fall below some threshold, use insertion sort.
+    const int INSERTION_SORT_LIMIT = 7; // About 7 is fastest on my computer...
+    if (count <= INSERTION_SORT_LIMIT) {
+        for (int i = 1; i < count; ++i) {
+            T temp = array[i];
+            int j = i;
+            while (j > 0 && lessThan(temp, array[j - 1])) {
+                array[j] = array[j - 1];
+                --j;
+            }
+            array[j] = temp;
+        }
+        return;
+    }
+
+    int high = count - 1;
+    int low = 0;
+    int mid = high / 2;
+    if (lessThan(array[mid], array[low]))
+        qSwap(array[mid], array[low]);
+    if (lessThan(array[high], array[mid]))
+        qSwap(array[high], array[mid]);
+    if (lessThan(array[mid], array[low]))
+        qSwap(array[mid], array[low]);
+
+    --high;
+    ++low;
+    qSwap(array[mid], array[high]);
+    int pivot = high;
+    --high;
+
+    while (low <= high) {
+        while (!lessThan(array[pivot], array[low])) {
+            ++low;
+            if (low > high)
+                goto sort_loop_end;
+        }
+        while (!lessThan(array[high], array[pivot])) {
+            --high;
+            if (low > high)
+                goto sort_loop_end;
+        }
+        qSwap(array[low], array[high]);
+        ++low;
+        --high;
+    }
+sort_loop_end:
+    if (low != pivot)
+        qSwap(array[pivot], array[low]);
+    sort(array, low, lessThan);
+    sort(array + low + 1, count - low - 1, lessThan);
+}
+
+// Quick sort.
+template <class T>
+static void sort(T *array, int count)
+{
+    // If the number of elements fall below some threshold, use insertion sort.
+    const int INSERTION_SORT_LIMIT = 25; // About 25 is fastest on my computer...
+    if (count <= INSERTION_SORT_LIMIT) {
+        for (int i = 1; i < count; ++i) {
+            T temp = array[i];
+            int j = i;
+            while (j > 0 && (temp < array[j - 1])) {
+                array[j] = array[j - 1];
+                --j;
+            }
+            array[j] = temp;
+        }
+        return;
+    }
+
+    int high = count - 1;
+    int low = 0;
+    int mid = high / 2;
+    if ((array[mid] < array[low]))
+        qSwap(array[mid], array[low]);
+    if ((array[high] < array[mid]))
+        qSwap(array[high], array[mid]);
+    if ((array[mid] < array[low]))
+        qSwap(array[mid], array[low]);
+
+    --high;
+    ++low;
+    qSwap(array[mid], array[high]);
+    int pivot = high;
+    --high;
+
+    while (low <= high) {
+        while (!(array[pivot] < array[low])) {
+            ++low;
+            if (low > high)
+                goto sort_loop_end;
+        }
+        while (!(array[high] < array[pivot])) {
+            --high;
+            if (low > high)
+                goto sort_loop_end;
+        }
+        qSwap(array[low], array[high]);
+        ++low;
+        --high;
+    }
+sort_loop_end:
+    if (low != pivot)
+        qSwap(array[pivot], array[low]);
+    sort(array, low);
+    sort(array + low + 1, count - low - 1);
+}
+
+//============================================================================//
+//                                 QFraction                                  //
+//============================================================================//
+
+// Fraction must be in the range [0, 1)
+struct QFraction
+{
+    // Comparison operators must not be called on invalid fractions.
+    inline bool operator < (const QFraction &other) const;
+    inline bool operator == (const QFraction &other) const;
+    inline bool operator != (const QFraction &other) const {return !(*this == other);}
+    inline bool operator > (const QFraction &other) const {return other < *this;}
+    inline bool operator >= (const QFraction &other) const {return !(*this < other);}
+    inline bool operator <= (const QFraction &other) const {return !(*this > other);}
+
+    inline bool isValid() const {return denominator != 0;}
+
+    // numerator and denominator must not have common denominators.
+    quint64 numerator, denominator;
+};
+
+static inline quint64 gcd(quint64 x, quint64 y)
+{
+    while (y != 0) {
+        quint64 z = y;
+        y = x % y;
+        x = z;
+    }
+    return x;
+}
+
+static inline int compare(quint64 a, quint64 b)
+{
+    return (a > b) - (a < b);
+}
+
+// Compare a/b with c/d.
+// Return negative if less, 0 if equal, positive if greater.
+// a < b, c < d
+static int qCompareFractions(quint64 a, quint64 b, quint64 c, quint64 d)
+{
+    const quint64 LIMIT = Q_UINT64_C(0x100000000);
+    for (;;) {
+        // If the products 'ad' and 'bc' fit into 64 bits, they can be directly compared.
+        if (b < LIMIT && d < LIMIT)
+            return compare(a * d, b * c);
+
+        if (a == 0 || c == 0)
+            return compare(a, c);
+
+        // a/b < c/d  <=>  d/c < b/a
+        quint64 b_div_a = b / a;
+        quint64 d_div_c = d / c;
+        if (b_div_a != d_div_c)
+            return compare(d_div_c, b_div_a);
+
+        // floor(d/c) == floor(b/a)
+        // frac(d/c) < frac(b/a) ?
+        // frac(x/y) = (x%y)/y
+        d -= d_div_c * c; //d %= c;
+        b -= b_div_a * a; //b %= a;
+        qSwap(a, d);
+        qSwap(b, c);
+    }
+}
+
+// Fraction must be in the range [0, 1)
+// Assume input is valid.
+static QFraction qFraction(quint64 n, quint64 d) {
+    QFraction result;
+    if (n == 0) {
+        result.numerator = 0;
+        result.denominator = 1;
+    } else {
+        quint64 g = gcd(n, d);
+        result.numerator = n / g;
+        result.denominator = d / g;
+    }
+    return result;
+}
+
+inline bool QFraction::operator < (const QFraction &other) const
+{
+    return qCompareFractions(numerator, denominator, other.numerator, other.denominator) < 0;
+}
+
+inline bool QFraction::operator == (const QFraction &other) const
+{
+    return numerator == other.numerator && denominator == other.denominator;
+}
+
+//============================================================================//
+//                                 QPodPoint                                  //
+//============================================================================//
+
+struct QPodPoint
+{
+    inline bool operator < (const QPodPoint &other) const
+    {
+        if (y != other.y)
+            return y < other.y;
+        return x < other.x;
+    }
+
+    inline bool operator > (const QPodPoint &other) const {return other < *this;}
+    inline bool operator <= (const QPodPoint &other) const {return !(*this > other);}
+    inline bool operator >= (const QPodPoint &other) const {return !(*this < other);}
+    inline bool operator == (const QPodPoint &other) const {return x == other.x && y == other.y;}
+    inline bool operator != (const QPodPoint &other) const {return x != other.x || y != other.y;}
+
+    inline QPodPoint &operator += (const QPodPoint &other) {x += other.x; y += other.y; return *this;}
+    inline QPodPoint &operator -= (const QPodPoint &other) {x -= other.x; y -= other.y; return *this;}
+    inline QPodPoint operator + (const QPodPoint &other) const {QPodPoint result = {x + other.x, y + other.y}; return result;}
+    inline QPodPoint operator - (const QPodPoint &other) const {QPodPoint result = {x - other.x, y - other.y}; return result;}
+
+    int x;
+    int y;
+};
+
+static inline qint64 qCross(const QPodPoint &u, const QPodPoint &v)
+{
+    return qint64(u.x) * qint64(v.y) - qint64(u.y) * qint64(v.x);
+}
+
+static inline qint64 qDot(const QPodPoint &u, const QPodPoint &v)
+{
+    return qint64(u.x) * qint64(v.x) + qint64(u.y) * qint64(v.y);
+}
+
+// Return positive value if 'p' is to the right of the line 'v1'->'v2', negative if left of the
+// line and zero if exactly on the line.
+// The returned value is the z-component of the qCross product between 'v2-v1' and 'p-v1',
+// which is twice the signed area of the triangle 'p'->'v1'->'v2' (positive for CW order).
+static inline qint64 qPointDistanceFromLine(const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2)
+{
+    return qCross(v2 - v1, p - v1);
+}
+
+static inline bool qPointIsLeftOfLine(const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2)
+{
+    return qPointDistanceFromLine(p, v1, v2) < 0;
+}
+
+// Return:
+// -1 if u < v
+//  0 if u == v
+//  1 if u > v
+static int comparePoints(const QPodPoint &u, const QPodPoint &v)
+{
+    if (u.y < v.y)
+        return -1;
+    if (u.y > v.y)
+        return 1;
+    if (u.x < v.x)
+        return -1;
+    if (u.x > v.x)
+        return 1;
+    return 0;
+}
+
+//============================================================================//
+//                             QIntersectionPoint                             //
+//============================================================================//
+
+struct QIntersectionPoint
+{
+    inline bool isValid() const {return xOffset.isValid() && yOffset.isValid();}
+    QPodPoint round() const;
+    inline bool isAccurate() const {return xOffset.numerator == 0 && yOffset.numerator == 0;}
+    bool operator < (const QIntersectionPoint &other) const;
+    bool operator == (const QIntersectionPoint &other) const;
+    inline bool operator != (const QIntersectionPoint &other) const {return !(*this == other);}
+    inline bool operator > (const QIntersectionPoint &other) const {return other < *this;}
+    inline bool operator >= (const QIntersectionPoint &other) const {return !(*this < other);}
+    inline bool operator <= (const QIntersectionPoint &other) const {return !(*this > other);}
+    bool isOnLine(const QPodPoint &u, const QPodPoint &v) const;
+
+    QPodPoint upperLeft;
+    QFraction xOffset;
+    QFraction yOffset;
+};
+
+static inline QIntersectionPoint qIntersectionPoint(const QPodPoint &point)
+{
+    // upperLeft = point, xOffset = 0/1, yOffset = 0/1.
+    QIntersectionPoint p = {{point.x, point.y}, {0, 1}, {0, 1}};
+    return p;
+}
+
+static inline QIntersectionPoint qIntersectionPoint(int x, int y)
+{
+    // upperLeft = (x, y), xOffset = 0/1, yOffset = 0/1.
+    QIntersectionPoint p = {{x, y}, {0, 1}, {0, 1}};
+    return p;
+}
+
+static QIntersectionPoint qIntersectionPoint(const QPodPoint &u1, const QPodPoint &u2, const QPodPoint &v1, const QPodPoint &v2)
+{
+    QIntersectionPoint result = {{0, 0}, {0, 0}, {0, 0}};
+
+    QPodPoint u = u2 - u1;
+    QPodPoint v = v2 - v1;
+    qint64 d1 = qCross(u, v1 - u1);
+    qint64 d2 = qCross(u, v2 - u1);
+    qint64 det = d2 - d1;
+    qint64 d3 = qCross(v, u1 - v1);
+    qint64 d4 = d3 - det; //qCross(v, u2 - v1);
+
+    // Check that the math is correct.
+    Q_ASSERT(d4 == qCross(v, u2 - v1));
+
+    // The intersection point can be expressed as:
+    // v1 - v * d1/det
+    // v2 - v * d2/det
+    // u1 + u * d3/det
+    // u2 + u * d4/det
+
+    // I'm only interested in lines that are crossing, so ignore parallel lines even if they overlap.
+    if (det == 0)
+        return result;
+
+    if (det < 0) {
+        det = -det;
+        d1 = -d1;
+        d2 = -d2;
+        d3 = -d3;
+        d4 = -d4;
+    }
+
+    // I'm only interested in lines intersecting at their interior, not at their end points.
+    // The lines intersect at their interior if and only if 'd1 < 0', 'd2 > 0', 'd3 < 0' and 'd4 > 0'.
+    if (d1 >= 0 || d2 <= 0 || d3 <= 0 || d4 >= 0)
+        return result;
+
+    // Calculate the intersection point as follows:
+    // v1 - v * d1/det | v1 <= v2 (component-wise)
+    // v2 - v * d2/det | v2 < v1 (component-wise)
+
+    // Assuming 21 bits per vector component.
+    // TODO: Make code path for 31 bits per vector component.
+    if (v.x >= 0) {
+        result.upperLeft.x = v1.x + (-v.x * d1) / det;
+        result.xOffset = qFraction(quint64(-v.x * d1) % quint64(det), quint64(det));
+    } else {
+        result.upperLeft.x = v2.x + (-v.x * d2) / det;
+        result.xOffset = qFraction(quint64(-v.x * d2) % quint64(det), quint64(det));
+    }
+
+    if (v.y >= 0) {
+        result.upperLeft.y = v1.y + (-v.y * d1) / det;
+        result.yOffset = qFraction(quint64(-v.y * d1) % quint64(det), quint64(det));
+    } else {
+        result.upperLeft.y = v2.y + (-v.y * d2) / det;
+        result.yOffset = qFraction(quint64(-v.y * d2) % quint64(det), quint64(det));
+    }
+
+    Q_ASSERT(result.xOffset.isValid());
+    Q_ASSERT(result.yOffset.isValid());
+    return result;
+}
+
+QPodPoint QIntersectionPoint::round() const
+{
+    QPodPoint result = upperLeft;
+    if (2 * xOffset.numerator >= xOffset.denominator)
+        ++result.x;
+    if (2 * yOffset.numerator >= yOffset.denominator)
+        ++result.y;
+    return result;
+}
+
+bool QIntersectionPoint::operator < (const QIntersectionPoint &other) const
+{
+    if (upperLeft.y != other.upperLeft.y)
+        return upperLeft.y < other.upperLeft.y;
+    if (yOffset != other.yOffset)
+        return yOffset < other.yOffset;
+    if (upperLeft.x != other.upperLeft.x)
+        return upperLeft.x < other.upperLeft.x;
+    return xOffset < other.xOffset;
+}
+
+bool QIntersectionPoint::operator == (const QIntersectionPoint &other) const
+{
+    return upperLeft == other.upperLeft && xOffset == other.xOffset && yOffset == other.yOffset;
+}
+
+// Returns true if this point is on the infinite line passing through 'u' and 'v'.
+bool QIntersectionPoint::isOnLine(const QPodPoint &u, const QPodPoint &v) const
+{
+    // TODO: Make code path for coordinates with more than 21 bits.
+    const QPodPoint p = upperLeft - u;
+    const QPodPoint q = v - u;
+    bool isHorizontal = p.y == 0 && yOffset.numerator == 0;
+    bool isVertical = p.x == 0 && xOffset.numerator == 0;
+    if (isHorizontal && isVertical)
+        return true;
+    if (isHorizontal)
+        return q.y == 0;
+    if (q.y == 0)
+        return false;
+    if (isVertical)
+        return q.x == 0;
+    if (q.x == 0)
+        return false;
+
+    // At this point, 'p+offset' and 'q' cannot lie on the x or y axis.
+
+    if (((q.x < 0) == (q.y < 0)) != ((p.x < 0) == (p.y < 0)))
+        return false; // 'p + offset' and 'q' pass through different quadrants.
+    
+    // Move all coordinates into the first quadrant.
+    quint64 nx, ny;
+    if (p.x < 0)
+        nx = quint64(-p.x) * xOffset.denominator - xOffset.numerator;
+    else
+        nx = quint64(p.x) * xOffset.denominator + xOffset.numerator;
+    if (p.y < 0)
+        ny = quint64(-p.y) * yOffset.denominator - yOffset.numerator;
+    else
+        ny = quint64(p.y) * yOffset.denominator + yOffset.numerator;
+
+    return qFraction(quint64(qAbs(q.x)) * xOffset.denominator, quint64(qAbs(q.y)) * yOffset.denominator) == qFraction(nx, ny);
+}
+
+//============================================================================//
+//                                  QMaxHeap                                  //
+//============================================================================//
+
+template <class T>
+class QMaxHeap
+{
+public:
+    inline int size() const {return m_data.size();}
+    inline bool empty() const {return m_data.isEmpty();}
+    inline bool isEmpty() const {return m_data.isEmpty();}
+    void push(const T &x);
+    T pop();
+    inline const T &top() const {return m_data.first();}
+private:
+    static inline int parent(int i) {return (i - 1) / 2;}
+    static inline int left(int i) {return 2 * i + 1;}
+    static inline int right(int i) {return 2 * i + 2;}
+
+    QDataBuffer<T> m_data;
+};
+
+template <class T>
+void QMaxHeap<T>::push(const T &x)
+{
+    int current = m_data.size();
+    int parent = QMaxHeap::parent(current);
+    m_data.add(x);
+    while (current != 0 && m_data.at(parent) < x) {
+        m_data.at(current) = m_data.at(parent);
+        current = parent;
+        parent = QMaxHeap::parent(current);
+    }
+    m_data.at(current) = x;
+}
+
+template <class T>
+T QMaxHeap<T>::pop()
+{
+    T result = m_data.first();
+    T back = m_data.last();
+    m_data.pop_back();
+    if (!m_data.isEmpty()) {
+        int current = 0;
+        for (;;) {
+            int left = QMaxHeap::left(current);
+            int right = QMaxHeap::right(current);
+            if (left >= m_data.size())
+                break;
+            int greater = left;
+            if (right < m_data.size() && m_data.at(left) < m_data.at(right))
+                greater = right;
+            if (m_data.at(greater) < back)
+                break;
+            m_data.at(current) = m_data.at(greater);
+            current = greater;
+        }
+        m_data.at(current) = back;
+    }
+    return result;
+}
+
+//============================================================================//
+//                                  QRBTree                                   //
+//============================================================================//
+
+template <class T>
+struct QRBTree
+{
+    struct Node
+    {
+        inline Node() : parent(0), left(0), right(0), red(true) { }
+        inline ~Node() {if (left) delete left; if (right) delete right;}
+        T data;
+        Node *parent;
+        Node *left;
+        Node *right;
+        bool red;
+    };
+
+    inline QRBTree() : root(0), freeList(0) { }
+    inline ~QRBTree();
+
+    inline void clear();
+
+    void attachBefore(Node *parent, Node *child);
+    void attachAfter(Node *parent, Node *child);
+
+    inline Node *front(Node *node) const;
+    inline Node *back(Node *node) const;
+    Node *next(Node *node) const;
+    Node *previous(Node *node) const;
+
+    inline void deleteNode(Node *&node);
+    inline Node *newNode();
+
+    // Return 1 if 'left' comes after 'right', 0 if equal, and -1 otherwise.
+    // 'left' and 'right' cannot be null.
+    int order(Node *left, Node *right);
+    inline bool verify() const;
+
+private:
+    void rotateLeft(Node *node);
+    void rotateRight(Node *node);
+    void update(Node *node);
+
+    inline void attachLeft(Node *parent, Node *child);
+    inline void attachRight(Node *parent, Node *child);
+
+    int blackDepth(Node *top) const;
+    bool checkRedBlackProperty(Node *top) const;
+
+    void swapNodes(Node *n1, Node *n2);
+    void detach(Node *node);
+
+    // 'node' must be black. rebalance will reduce the depth of black nodes by one in the sibling tree.
+    void rebalance(Node *node);
+
+public:
+    Node *root;
+private:
+    Node *freeList;
+};
+
+template <class T>
+inline QRBTree<T>::~QRBTree()
+{
+    clear();
+    while (freeList) {
+        // Avoid recursively calling the destructor, as this list may become large.
+        Node *next = freeList->right;
+        freeList->right = 0;
+        delete freeList;
+        freeList = next;
+    }
+}
+
+template <class T>
+inline void QRBTree<T>::clear()
+{
+    if (root)
+        delete root;
+    root = 0;
+}
+
+template <class T>
+void QRBTree<T>::rotateLeft(Node *node)
+{
+    //   |            |      //
+    //   N            B      //
+    //  / \          / \     //
+    // A   B  --->  N   D    //
+    //    / \      / \       //
+    //   C   D    A   C      //
+
+    Node *&ref = (node->parent ? (node == node->parent->left ? node->parent->left : node->parent->right) : root);
+    ref = node->right;
+    node->right->parent = node->parent;
+
+    //   :        //
+    //   N        //
+    //  / :|      //
+    // A   B      //
+    //    / \     //
+    //   C   D    //
+
+    node->right = ref->left;
+    if (ref->left)
+        ref->left->parent = node;
+
+    //   :   |     //
+    //   N   B     //
+    //  / \ : \    //
+    // A   C   D   //
+
+    ref->left = node;
+    node->parent = ref;
+
+    //     |       //
+    //     B       //
+    //    / \      //
+    //   N   D     //
+    //  / \        //
+    // A   C       //
+}
+
+template <class T>
+void QRBTree<T>::rotateRight(Node *node)
+{
+    //     |            |        //
+    //     N            A        //
+    //    / \          / \       //
+    //   A   B  --->  C   N      //
+    //  / \              / \     //
+    // C   D            D   B    //
+
+    Node *&ref = (node->parent ? (node == node->parent->left ? node->parent->left : node->parent->right) : root);
+    ref = node->left;
+    node->left->parent = node->parent;
+
+    node->left = ref->right;
+    if (ref->right)
+        ref->right->parent = node;
+
+    ref->right = node;
+    node->parent = ref;
+}
+
+template <class T>
+void QRBTree<T>::update(Node *node) // call this after inserting a node
+{
+    for (;;) {
+        Node *parent = node->parent;
+
+        // if the node is the root, color it black
+        if (!parent) {
+            node->red = false;
+            return;
+        }
+
+        // if the parent is black, the node can be left red
+        if (!parent->red)
+            return;
+
+        // at this point, the parent is red and cannot be the root
+        Node *grandpa = parent->parent;
+        Q_ASSERT(grandpa);
+
+        Node *uncle = (parent == grandpa->left ? grandpa->right : grandpa->left);
+        if (uncle && uncle->red) {
+            // grandpa's black, parent and uncle are red.
+            // let parent and uncle be black, grandpa red and recursively update grandpa.
+            Q_ASSERT(!grandpa->red);
+            parent->red = false;
+            uncle->red = false;
+            grandpa->red = true;
+            node = grandpa;
+            continue;
+        }
+
+        // at this point, uncle is black
+        if (node == parent->right && parent == grandpa->left)
+            rotateLeft(node = parent);
+        else if (node == parent->left && parent == grandpa->right)
+            rotateRight(node = parent);
+        parent = node->parent;
+
+        if (parent == grandpa->left) {
+            rotateRight(grandpa);
+            parent->red = false;
+            grandpa->red = true;
+        } else {
+            rotateLeft(grandpa);
+            parent->red = false;
+            grandpa->red = true;
+        }
+        return;
+    }
+}
+
+template <class T>
+inline void QRBTree<T>::attachLeft(Node *parent, Node *child)
+{
+    Q_ASSERT(!parent->left);
+    parent->left = child;
+    child->parent = parent;
+    update(child);
+}
+
+template <class T>
+inline void QRBTree<T>::attachRight(Node *parent, Node *child)
+{
+    Q_ASSERT(!parent->right);
+    parent->right = child;
+    child->parent = parent;
+    update(child);
+}
+
+template <class T>
+void QRBTree<T>::attachBefore(Node *parent, Node *child)
+{
+    if (!root)
+        update(root = child);
+    else if (!parent)
+        attachRight(back(root), child);
+    else if (parent->left)
+        attachRight(back(parent->left), child);
+    else
+        attachLeft(parent, child);
+}
+
+template <class T>
+void QRBTree<T>::attachAfter(Node *parent, Node *child)
+{
+    if (!root)
+        update(root = child);
+    else if (!parent)
+        attachLeft(front(root), child);
+    else if (parent->right)
+        attachLeft(front(parent->right), child);
+    else
+        attachRight(parent, child);
+}
+
+template <class T>
+void QRBTree<T>::swapNodes(Node *n1, Node *n2)
+{
+    // Since iterators must not be invalidated, it is not sufficient to only swap the data.
+    if (n1->parent == n2) {
+        n1->parent = n2->parent;
+        n2->parent = n1;
+    } else if (n2->parent == n1) {
+        n2->parent = n1->parent;
+        n1->parent = n2;
+    } else {
+        qSwap(n1->parent, n2->parent);
+    }
+
+    qSwap(n1->left, n2->left);
+    qSwap(n1->right, n2->right);
+    qSwap(n1->red, n2->red);
+
+    if (n1->parent) {
+        if (n1->parent->left == n2)
+            n1->parent->left = n1;
+        else
+            n1->parent->right = n1;
+    } else {
+        root = n1;
+    }
+
+    if (n2->parent) {
+        if (n2->parent->left == n1)
+            n2->parent->left = n2;
+        else
+            n2->parent->right = n2;
+    } else {
+        root = n2;
+    }
+
+    if (n1->left)
+        n1->left->parent = n1;
+    if (n1->right)
+        n1->right->parent = n1;
+
+    if (n2->left)
+        n2->left->parent = n2;
+    if (n2->right)
+        n2->right->parent = n2;
+}
+
+template <class T>
+void QRBTree<T>::detach(Node *node) // call this before removing a node.
+{
+    if (node->right)
+        swapNodes(node, front(node->right));
+
+    Node *child = (node->left ? node->left : node->right);
+
+    if (!node->red) {
+        if (child && child->red)
+            child->red = false;
+        else
+            rebalance(node);
+    }
+
+    Node *&ref = (node->parent ? (node == node->parent->left ? node->parent->left : node->parent->right) : root);
+    ref = child;
+    if (child)
+        child->parent = node->parent;
+    node->left = node->right = node->parent = 0;
+}
+
+// 'node' must be black. rebalance will reduce the depth of black nodes by one in the sibling tree.
+template <class T>
+void QRBTree<T>::rebalance(Node *node)
+{
+    Q_ASSERT(!node->red);
+    for (;;) {
+        if (!node->parent)
+            return;
+
+        // at this point, node is not a parent, it is black, thus it must have a sibling.
+        Node *sibling = (node == node->parent->left ? node->parent->right : node->parent->left);
+        Q_ASSERT(sibling);
+
+        if (sibling->red) {
+            sibling->red = false;
+            node->parent->red = true;
+            if (node == node->parent->left)
+                rotateLeft(node->parent);
+            else
+                rotateRight(node->parent);
+            sibling = (node == node->parent->left ? node->parent->right : node->parent->left);
+            Q_ASSERT(sibling);
+        }
+
+        // at this point, the sibling is black.
+        Q_ASSERT(!sibling->red);
+
+        if ((!sibling->left || !sibling->left->red) && (!sibling->right || !sibling->right->red)) {
+            bool parentWasRed = node->parent->red;
+            sibling->red = true;
+            node->parent->red = false;
+            if (parentWasRed)
+                return;
+            node = node->parent;
+            continue;
+        }
+
+        // at this point, at least one of the sibling's children is red.
+
+        if (node == node->parent->left) {
+            if (!sibling->right || !sibling->right->red) {
+                Q_ASSERT(sibling->left);
+                sibling->red = true;
+                sibling->left->red = false;
+                rotateRight(sibling);
+
+                sibling = sibling->parent;
+                Q_ASSERT(sibling);
+            }
+            sibling->red = node->parent->red;
+            node->parent->red = false;
+
+            Q_ASSERT(sibling->right->red);
+            sibling->right->red = false;
+            rotateLeft(node->parent);
+        } else {
+            if (!sibling->left || !sibling->left->red) {
+                Q_ASSERT(sibling->right);
+                sibling->red = true;
+                sibling->right->red = false;
+                rotateLeft(sibling);
+
+                sibling = sibling->parent;
+                Q_ASSERT(sibling);
+            }
+            sibling->red = node->parent->red;
+            node->parent->red = false;
+
+            Q_ASSERT(sibling->left->red);
+            sibling->left->red = false;
+            rotateRight(node->parent);
+        }
+        return;
+    }
+}
+
+template <class T>
+inline typename QRBTree<T>::Node *QRBTree<T>::front(Node *node) const
+{
+    while (node->left)
+        node = node->left;
+    return node;
+}
+
+template <class T>
+inline typename QRBTree<T>::Node *QRBTree<T>::back(Node *node) const
+{
+    while (node->right)
+        node = node->right;
+    return node;
+}
+
+template <class T>
+typename QRBTree<T>::Node *QRBTree<T>::next(Node *node) const
+{
+    if (node->right)
+        return front(node->right);
+    while (node->parent && node == node->parent->right)
+        node = node->parent;
+    return node->parent;
+}
+
+template <class T>
+typename QRBTree<T>::Node *QRBTree<T>::previous(Node *node) const
+{
+    if (node->left)
+        return back(node->left);
+    while (node->parent && node == node->parent->left)
+        node = node->parent;
+    return node->parent;
+}
+
+template <class T>
+int QRBTree<T>::blackDepth(Node *top) const
+{
+    if (!top)
+        return 0;
+    int leftDepth = blackDepth(top->left);
+    int rightDepth = blackDepth(top->right);
+    if (leftDepth != rightDepth)
+        return -1;
+    if (!top->red)
+        ++leftDepth;
+    return leftDepth;
+}
+
+template <class T>
+bool QRBTree<T>::checkRedBlackProperty(Node *top) const
+{
+    if (!top)
+        return true;
+    if (top->left && !checkRedBlackProperty(top->left))
+        return false;
+    if (top->right && !checkRedBlackProperty(top->right))
+        return false;
+    return !(top->red && ((top->left && top->left->red) || (top->right && top->right->red)));
+}
+
+template <class T>
+inline bool QRBTree<T>::verify() const
+{
+    return checkRedBlackProperty(root) && blackDepth(root) != -1;
+}
+
+template <class T>
+inline void QRBTree<T>::deleteNode(Node *&node)
+{
+    Q_ASSERT(node);
+    detach(node);
+    node->right = freeList;
+    freeList = node;
+    node = 0;
+}
+
+template <class T>
+inline typename QRBTree<T>::Node *QRBTree<T>::newNode()
+{
+    if (freeList) {
+        Node *node = freeList;
+        freeList = freeList->right;
+        node->parent = node->left = node->right = 0;
+        node->red = true;
+        return node;
+    }
+    return new Node;
+}
+
+// Return 1 if 'left' comes after 'right', 0 if equal, and -1 otherwise.
+// 'left' and 'right' cannot be null.
+template <class T>
+int QRBTree<T>::order(Node *left, Node *right)
+{
+    Q_ASSERT(left && right);
+    if (left == right)
+        return 0;
+
+    QVector<Node *> leftAncestors;
+    QVector<Node *> rightAncestors;
+    while (left) {
+        leftAncestors.push_back(left);
+        left = left->parent;
+    }
+    while (right) {
+        rightAncestors.push_back(right);
+        right = right->parent;
+    }
+    Q_ASSERT(leftAncestors.back() == root && rightAncestors.back() == root);
+
+    while (!leftAncestors.empty() && !rightAncestors.empty() && leftAncestors.back() == rightAncestors.back()) {
+        leftAncestors.pop_back();
+        rightAncestors.pop_back();
+    }
+
+    if (!leftAncestors.empty())
+        return (leftAncestors.back() == leftAncestors.back()->parent->left ? -1 : 1);
+
+    if (!rightAncestors.empty())
+        return (rightAncestors.back() == rightAncestors.back()->parent->right ? -1 : 1);
+
+    // The code should never reach this point.
+    Q_ASSERT(!leftAncestors.empty() || !rightAncestors.empty());
+    return 0;
+}
+
+//============================================================================//
+//                                 QInt64Hash                                 //
+//============================================================================//
+
+// Copied from qhash.cpp
+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
+};
+
+// Copied from qhash.cpp
+static inline int primeForNumBits(int numBits)
+{
+    return (1 << numBits) + prime_deltas[numBits];
+}
+
+static inline int primeForCount(int count)
+{
+    int low = 0;
+    int high = 32;
+    for (int i = 0; i < 5; ++i) {
+        int mid = (high + low) / 2;
+        if (count >= 1 << mid)
+            low = mid;
+        else
+            high = mid;
+    }
+    return primeForNumBits(high);
+}
+
+// Hash set of quint64s. Elements cannot be removed without clearing the
+// entire set. A value of -1 is used to mark unused entries.
+class QInt64Set
+{
+public:
+    inline QInt64Set(int capacity = 64);
+    inline ~QInt64Set() {if (m_array) delete[] m_array;}
+    inline bool isValid() const {return m_array;}
+    void insert(quint64 key);
+    bool contains(quint64 key) const;
+    inline void clear();
+private:
+    bool rehash(int capacity);
+
+    static const quint64 UNUSED;
+
+    quint64 *m_array;
+    int m_capacity;
+    int m_count;
+};
+
+const quint64 QInt64Set::UNUSED = quint64(-1);
+
+inline QInt64Set::QInt64Set(int capacity)
+{
+    m_capacity = primeForCount(capacity);
+    m_array = new quint64[m_capacity];
+    if (m_array)
+        clear();
+    else
+        m_capacity = 0;
+}
+
+bool QInt64Set::rehash(int capacity)
+{
+    quint64 *oldArray = m_array;
+    int oldCapacity = m_capacity;
+
+    m_capacity = capacity;
+    m_array = new quint64[m_capacity];
+    if (m_array) {
+        clear();
+        if (oldArray) {
+            for (int i = 0; i < oldCapacity; ++i) {
+                if (oldArray[i] != UNUSED)
+                    insert(oldArray[i]);
+            }
+            delete[] oldArray;
+        }
+        return true;
+    } else {
+        m_capacity = oldCapacity;
+        m_array = oldArray;
+        return false;
+    }
+}
+
+void QInt64Set::insert(quint64 key)
+{
+    if (m_count > 3 * m_capacity / 4)
+        rehash(primeForCount(2 * m_capacity));
+    Q_ASSERT_X(m_array, "QInt64Hash<T>::insert", "Hash set not allocated.");
+    int index = int(key % m_capacity);
+    for (int i = 0; i < m_capacity; ++i) {
+        index += i;
+        if (index >= m_capacity)
+            index -= m_capacity;
+        if (m_array[index] == key)
+            return;
+        if (m_array[index] == UNUSED) {
+            ++m_count;
+            m_array[index] = key;
+            return;
+        }
+    }
+    Q_ASSERT_X(0, "QInt64Hash<T>::insert", "Hash set full.");
+}
+
+bool QInt64Set::contains(quint64 key) const
+{
+    Q_ASSERT_X(m_array, "QInt64Hash<T>::contains", "Hash set not allocated.");
+    int index = int(key % m_capacity);
+    for (int i = 0; i < m_capacity; ++i) {
+        index += i;
+        if (index >= m_capacity)
+            index -= m_capacity;
+        if (m_array[index] == key)
+            return true;
+        if (m_array[index] == UNUSED)
+            return false;
+    }
+    return false;
+}
+
+inline void QInt64Set::clear()
+{
+    Q_ASSERT_X(m_array, "QInt64Hash<T>::clear", "Hash set not allocated.");
+    for (int i = 0; i < m_capacity; ++i)
+        m_array[i] = UNUSED;
+    m_count = 0;
+}
+
+//============================================================================//
+//                                QRingBuffer                                 //
+//============================================================================//
+
+// T must be POD.
+template <class T>
+class QRingBuffer
+{
+public:
+    inline QRingBuffer() : m_array(0), m_head(0), m_size(0), m_capacity(0) { }
+    inline ~QRingBuffer() {if (m_array) delete[] m_array;}
+    bool reallocate(int capacity);
+    inline const T &head() const {Q_ASSERT(m_size > 0); return m_array[m_head];}
+    inline const T &dequeue();
+    inline void enqueue(const T &x);
+    inline bool isEmpty() const {return m_size == 0;}
+private:
+    T *m_array;
+    int m_head;
+    int m_size;
+    int m_capacity;
+};
+
+template <class T>
+bool QRingBuffer<T>::reallocate(int capacity)
+{
+    T *oldArray = m_array;
+    m_array = new T[capacity];
+    if (m_array) {
+        if (oldArray) {
+            if (m_head + m_size > m_capacity) {
+                memcpy(m_array, oldArray + m_head, (m_capacity - m_head) * sizeof(T));
+                memcpy(m_array + (m_capacity - m_head), oldArray, (m_head + m_size - m_capacity) * sizeof(T));
+            } else {
+                memcpy(m_array, oldArray + m_head, m_size * sizeof(T));
+            }
+            delete[] oldArray;
+        }
+        m_capacity = capacity;
+        m_head = 0;
+        return true;
+    } else {
+        m_array = oldArray;
+        return false;
+    }
+}
+
+template <class T>
+inline const T &QRingBuffer<T>::dequeue()
+{
+    Q_ASSERT(m_size > 0);
+    Q_ASSERT(m_array);
+    Q_ASSERT(m_capacity >= m_size);
+    int index = m_head;
+    if (++m_head >= m_capacity)
+        m_head -= m_capacity;
+    --m_size;
+    return m_array[index];
+}
+
+template <class T>
+inline void QRingBuffer<T>::enqueue(const T &x)
+{
+    if (m_size == m_capacity)
+        reallocate(qMax(2 * m_capacity, 64));
+    int index = m_head + m_size;
+    if (index >= m_capacity)
+        index -= m_capacity;
+    m_array[index] = x;
+    ++m_size;
+}
+
+//============================================================================//
+//                               QTriangulator                                //
+//============================================================================//
+
+class QTriangulator
+{
+public:
+    typedef QVarLengthArray<int, 6> ShortArray;
+
+    //================================//
+    // QTriangulator::ComplexToSimple //
+    //================================//
+    friend class ComplexToSimple;
+    class ComplexToSimple
+    {
+    public:
+        inline ComplexToSimple(QTriangulator *parent) : m_parent(parent) { }
+        void decompose();
+    private:
+        struct Edge
+        {
+            inline int &upper() {return pointingUp ? to : from;}
+            inline int &lower() {return pointingUp ? from : to;}
+            inline int upper() const {return pointingUp ? to : from;}
+            inline int lower() const {return pointingUp ? from : to;}
+
+            QRBTree<int>::Node *node;
+            int from, to; // vertex
+            int next, previous; // edge
+            int winding;
+            bool mayIntersect;
+            bool pointingUp, originallyPointingUp;
+        };
+
+        friend class CompareEdges;
+        class CompareEdges
+        {
+        public:
+            inline CompareEdges(ComplexToSimple *parent) : m_parent(parent) { }
+            bool operator () (int i, int j) const;
+        private:
+            ComplexToSimple *m_parent;
+        };
+
+        struct Intersection
+        {
+            bool operator < (const Intersection &other) const {return other.intersectionPoint < intersectionPoint;}
+
+            QIntersectionPoint intersectionPoint;
+            int vertex;
+            int leftEdge;
+            int rightEdge;
+        };
+
+        struct Split
+        {
+            int vertex;
+            int edge;
+            bool accurate;
+        };
+
+        struct Event
+        {
+            enum Type {Upper, Lower};
+            inline bool operator < (const Event &other) const;
+
+            QPodPoint point;
+            Type type;
+            int edge;
+        };
+
+#ifdef Q_TRIANGULATOR_DEBUG
+        friend class DebugDialog;
+        friend class QTriangulator;
+        class DebugDialog : public QDialog
+        {
+        public:
+            DebugDialog(ComplexToSimple *parent, int currentVertex);
+        protected:
+            void paintEvent(QPaintEvent *);
+            void wheelEvent(QWheelEvent *);
+            void mouseMoveEvent(QMouseEvent *);
+            void mousePressEvent(QMouseEvent *);
+        private:
+            ComplexToSimple *m_parent;
+            QRectF m_window;
+            QPoint m_lastMousePos;
+            int m_vertex;
+        };
+#endif
+
+        void initEdges();
+        bool calculateIntersection(int left, int right);
+        bool edgeIsLeftOfEdge(int leftEdgeIndex, int rightEdgeIndex) const;
+        QRBTree<int>::Node *searchEdgeLeftOf(int edgeIndex) const;
+        QRBTree<int>::Node *searchEdgeLeftOf(int edgeIndex, QRBTree<int>::Node *after) const;
+        QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> bounds(const QPodPoint &point) const;
+        QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> outerBounds(const QPodPoint &point) const;
+        void splitEdgeListRange(QRBTree<int>::Node *leftmost, QRBTree<int>::Node *rightmost, int vertex, const QIntersectionPoint &intersectionPoint);
+        void reorderEdgeListRange(QRBTree<int>::Node *leftmost, QRBTree<int>::Node *rightmost);
+        void sortEdgeList(const QPodPoint eventPoint);
+        void fillPriorityQueue();
+        void calculateIntersections();
+        int splitEdge(int splitIndex);
+        bool splitEdgesAtIntersections();
+        void insertEdgeIntoVectorIfWanted(ShortArray &orderedEdges, int i);
+        void removeUnwantedEdgesAndConnect();
+        void removeUnusedPoints();
+
+        QTriangulator *m_parent;
+        QDataBuffer<Edge> m_edges;
+        QRBTree<int> m_edgeList;
+        QDataBuffer<Event> m_events;
+        QDataBuffer<Split> m_splits;
+        QMaxHeap<Intersection> m_topIntersection;
+        QInt64Set m_processedEdgePairs;
+        int m_initialPointCount;
+    };
+#ifdef Q_TRIANGULATOR_DEBUG
+    friend class ComplexToSimple::DebugDialog;
+#endif
+
+    //=================================//
+    // QTriangulator::SimpleToMonotone //
+    //=================================//
+    friend class SimpleToMonotone;
+    class SimpleToMonotone
+    {
+    public:
+        inline SimpleToMonotone(QTriangulator *parent) : m_parent(parent) { }
+        void decompose();
+    private:
+        enum VertexType {MergeVertex, EndVertex, RegularVertex, StartVertex, SplitVertex};
+
+        struct Edge
+        {
+            QRBTree<int>::Node *node;
+            int helper, twin, next, previous;
+            quint32 from, to;
+            VertexType type;
+            bool pointingUp;
+            int upper() const {return (pointingUp ? to : from);}
+            int lower() const {return (pointingUp ? from : to);}
+        };
+
+        friend class CompareVertices;
+        class CompareVertices
+        {
+        public:
+            CompareVertices(SimpleToMonotone *parent) : m_parent(parent) { }
+            bool operator () (int i, int j) const;
+        private:
+            SimpleToMonotone *m_parent;
+        };
+
+        void setupDataStructures();
+        void removeZeroLengthEdges();
+        void fillPriorityQueue();
+        bool edgeIsLeftOfEdge(int leftEdgeIndex, int rightEdgeIndex) const;
+        // Returns the rightmost edge not to the right of the given edge.
+        QRBTree<int>::Node *searchEdgeLeftOfEdge(int edgeIndex) const;
+        // Returns the rightmost edge left of the given point.
+        QRBTree<int>::Node *searchEdgeLeftOfPoint(int pointIndex) const;
+        void classifyVertex(int i);
+        void classifyVertices();
+        bool pointIsInSector(const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2, const QPodPoint &v3);
+        bool pointIsInSector(int vertex, int sector);
+        int findSector(int edge, int vertex);
+        void createDiagonal(int lower, int upper);
+        void monotoneDecomposition();
+
+        QTriangulator *m_parent;
+        QRBTree<int> m_edgeList;
+        QDataBuffer<Edge> m_edges;
+        QDataBuffer<int> m_upperVertex;
+        bool m_clockwiseOrder;
+    };
+
+    //====================================//
+    // QTriangulator::MonotoneToTriangles //
+    //====================================//
+    friend class MonotoneToTriangles;
+    class MonotoneToTriangles
+    {
+    public:
+        inline MonotoneToTriangles(QTriangulator *parent) : m_parent(parent) { }
+        void decompose();
+    private:
+        inline quint32 indices(int index) const {return m_parent->m_indices.at(index + m_first);}
+        inline int next(int index) const {return (index + 1) % m_length;}
+        inline int previous(int index) const {return (index + m_length - 1) % m_length;}
+        inline bool less(int i, int j) const {return m_parent->m_vertices.at(indices(i)) < m_parent->m_vertices.at(indices(j));}
+        inline bool leftOfEdge(int i, int j, int k) const
+        {
+            return qPointIsLeftOfLine(m_parent->m_vertices.at(indices(i)),
+                m_parent->m_vertices.at(indices(j)), m_parent->m_vertices.at(indices(k)));
+        }
+
+        QTriangulator *m_parent;
+        int m_first;
+        int m_length;
+    };
+
+    inline QTriangulator() { }
+
+    // Call this only once.
+    void initialize(const qreal *polygon, int count, uint hint, const QTransform &matrix);
+    // Call this only once.
+    void initialize(const QVectorPath &path, const QTransform &matrix, qreal lod);
+    // Call this only once.
+    void initialize(const QPainterPath &path, const QTransform &matrix, qreal lod);
+    // Call either triangulate() or polyline() only once.
+    QTriangleSet triangulate();
+    QPolylineSet polyline();
+private:
+    QDataBuffer<QPodPoint> m_vertices;
+    QVector<quint32> m_indices;
+    uint m_hint;
+};
+
+//============================================================================//
+//                               QTriangulator                                //
+//============================================================================//
+
+QTriangleSet QTriangulator::triangulate()
+{
+    for (int i = 0; i < m_vertices.size(); ++i) {
+        Q_ASSERT(qAbs(m_vertices.at(i).x) < (1 << 21));
+        Q_ASSERT(qAbs(m_vertices.at(i).y) < (1 << 21));
+    }
+
+    if (!(m_hint & (QVectorPath::OddEvenFill | QVectorPath::WindingFill)))
+        m_hint |= QVectorPath::OddEvenFill;
+
+    if (m_hint & QVectorPath::NonConvexShapeMask) {
+        ComplexToSimple c2s(this);
+        c2s.decompose();
+        SimpleToMonotone s2m(this);
+        s2m.decompose();
+    }
+    MonotoneToTriangles m2t(this);
+    m2t.decompose();
+
+    QTriangleSet result;
+    result.indices = m_indices;
+    result.vertices.resize(2 * m_vertices.size());
+    for (int i = 0; i < m_vertices.size(); ++i) {
+        result.vertices[2 * i + 0] = qreal(m_vertices.at(i).x) / Q_FIXED_POINT_SCALE;
+        result.vertices[2 * i + 1] = qreal(m_vertices.at(i).y) / Q_FIXED_POINT_SCALE;
+    }
+    return result;
+}
+
+QPolylineSet QTriangulator::polyline()
+{
+    QPolylineSet result;
+    result.indices = m_indices;
+    result.vertices.resize(2 * m_vertices.size());
+    for (int i = 0; i < m_vertices.size(); ++i) {
+        result.vertices[2 * i + 0] = qreal(m_vertices.at(i).x) / Q_FIXED_POINT_SCALE;
+        result.vertices[2 * i + 1] = qreal(m_vertices.at(i).y) / Q_FIXED_POINT_SCALE;
+    }
+    return result;
+}
+
+void QTriangulator::initialize(const qreal *polygon, int count, uint hint, const QTransform &matrix)
+{
+    m_hint = hint;
+    m_vertices.resize(count);
+    m_indices.resize(count + 1);
+    for (int i = 0; i < count; ++i) {
+        qreal x, y;
+        matrix.map(polygon[2 * i + 0], polygon[2 * i + 1], &x, &y);
+        m_vertices.at(i).x = qRound(x * Q_FIXED_POINT_SCALE);
+        m_vertices.at(i).y = qRound(y * Q_FIXED_POINT_SCALE);
+        m_indices[i] = i;
+    }
+    m_indices[count] = Q_TRIANGULATE_END_OF_POLYGON;
+}
+
+void QTriangulator::initialize(const QVectorPath &path, const QTransform &matrix, qreal lod)
+{
+    m_hint = path.hints();
+    // Curved paths will be converted to complex polygons.
+    m_hint &= ~QVectorPath::CurvedShapeMask;
+
+    const qreal *p = path.points();
+    const QPainterPath::ElementType *e = path.elements();
+    if (e) {
+        for (int i = 0; i < path.elementCount(); ++i, ++e, p += 2) {
+            switch (*e) {
+            case QPainterPath::MoveToElement:
+                if (!m_indices.isEmpty())
+                    m_indices.push_back(Q_TRIANGULATE_END_OF_POLYGON);
+                // Fall through.
+            case QPainterPath::LineToElement:
+                m_indices.push_back(quint32(m_vertices.size()));
+                m_vertices.resize(m_vertices.size() + 1);
+                qreal x, y;
+                matrix.map(p[0], p[1], &x, &y);
+                m_vertices.last().x = qRound(x * Q_FIXED_POINT_SCALE);
+                m_vertices.last().y = qRound(y * Q_FIXED_POINT_SCALE);
+                break;
+            case QPainterPath::CurveToElement:
+                {
+                    qreal pts[8];
+                    for (int i = 0; i < 4; ++i)
+                        matrix.map(p[2 * i - 2], p[2 * i - 1], &pts[2 * i + 0], &pts[2 * i + 1]);
+                    for (int i = 0; i < 8; ++i)
+                        pts[i] *= lod;
+                    QBezier bezier = QBezier::fromPoints(QPointF(pts[0], pts[1]), QPointF(pts[2], pts[3]), QPointF(pts[4], pts[5]), QPointF(pts[6], pts[7]));
+                    QPolygonF poly = bezier.toPolygon();
+                    // Skip first point, it already exists in 'm_vertices'.
+                    for (int j = 1; j < poly.size(); ++j) {
+                        m_indices.push_back(quint32(m_vertices.size()));
+                        m_vertices.resize(m_vertices.size() + 1);
+                        m_vertices.last().x = qRound(poly.at(j).x() * Q_FIXED_POINT_SCALE / lod);
+                        m_vertices.last().y = qRound(poly.at(j).y() * Q_FIXED_POINT_SCALE / lod);
+                    }
+                }
+                i += 2;
+                e += 2;
+                p += 4;
+                break;
+            default:
+                Q_ASSERT_X(0, "QTriangulator::triangulate", "Unexpected element type.");
+                break;
+            }
+        }
+    } else {
+        for (int i = 0; i < path.elementCount(); ++i, p += 2) {
+            m_indices.push_back(quint32(m_vertices.size()));
+            m_vertices.resize(m_vertices.size() + 1);
+            qreal x, y;
+            matrix.map(p[0], p[1], &x, &y);
+            m_vertices.last().x = qRound(x * Q_FIXED_POINT_SCALE);
+            m_vertices.last().y = qRound(y * Q_FIXED_POINT_SCALE);
+        }
+    }
+    m_indices.push_back(Q_TRIANGULATE_END_OF_POLYGON);
+}
+
+void QTriangulator::initialize(const QPainterPath &path, const QTransform &matrix, qreal lod)
+{
+    initialize(qtVectorPathForPath(path), matrix, lod);
+}
+
+//============================================================================//
+//                       QTriangulator::ComplexToSimple                       //
+//============================================================================//
+
+void QTriangulator::ComplexToSimple::decompose()
+{
+    m_initialPointCount = m_parent->m_vertices.size();
+    initEdges();
+    do {
+        calculateIntersections();
+    } while (splitEdgesAtIntersections());
+
+    removeUnwantedEdgesAndConnect();
+    removeUnusedPoints();
+
+    m_parent->m_indices.clear();
+    QBitArray processed(m_edges.size(), false);
+    for (int first = 0; first < m_edges.size(); ++first) {
+        // If already processed, or if unused path, skip.
+        if (processed.at(first) || m_edges.at(first).next == -1)
+            continue;
+
+        int i = first;
+        do {
+            Q_ASSERT(!processed.at(i));
+            Q_ASSERT(m_edges.at(m_edges.at(i).next).previous == i);
+            m_parent->m_indices.push_back(m_edges.at(i).from);
+            processed.setBit(i);
+            i = m_edges.at(i).next; // CCW order
+        } while (i != first);
+        m_parent->m_indices.push_back(Q_TRIANGULATE_END_OF_POLYGON);
+    }
+}
+
+void QTriangulator::ComplexToSimple::initEdges()
+{
+    // Initialize edge structure.
+    // 'next' and 'previous' are not being initialized at this point.
+    int first = 0;
+    for (int i = 0; i < m_parent->m_indices.size(); ++i) {
+        if (m_parent->m_indices.at(i) == Q_TRIANGULATE_END_OF_POLYGON) {
+            if (m_edges.size() != first)
+                m_edges.last().to = m_edges.at(first).from;
+            first = m_edges.size();
+        } else {
+            Q_ASSERT(i + 1 < m_parent->m_indices.size());
+            // {node, from, to, next, previous, winding, mayIntersect, pointingUp, originallyPointingUp}
+            Edge edge = {0, m_parent->m_indices.at(i), m_parent->m_indices.at(i + 1), -1, -1, 0, true, false, false};
+            m_edges.add(edge);
+        }
+    }
+    if (first != m_edges.size())
+        m_edges.last().to = m_edges.at(first).from;
+    for (int i = 0; i < m_edges.size(); ++i) {
+        m_edges.at(i).originallyPointingUp = m_edges.at(i).pointingUp = 
+            m_parent->m_vertices.at(m_edges.at(i).to) < m_parent->m_vertices.at(m_edges.at(i).from);
+    }
+}
+
+// Return true if new intersection was found
+bool QTriangulator::ComplexToSimple::calculateIntersection(int left, int right)
+{
+    const Edge &e1 = m_edges.at(left);
+    const Edge &e2 = m_edges.at(right);
+
+    const QPodPoint &u1 = m_parent->m_vertices.at(e1.from);
+    const QPodPoint &u2 = m_parent->m_vertices.at(e1.to);
+    const QPodPoint &v1 = m_parent->m_vertices.at(e2.from);
+    const QPodPoint &v2 = m_parent->m_vertices.at(e2.to);
+    if (qMax(u1.x, u2.x) <= qMin(v1.x, v2.x))
+        return false;
+
+    quint64 key = (left > right ? (quint64(right) << 32) | quint64(left) : (quint64(left) << 32) | quint64(right));
+    if (m_processedEdgePairs.contains(key))
+        return false;
+    m_processedEdgePairs.insert(key);
+
+    Intersection intersection;
+    intersection.leftEdge = left;
+    intersection.rightEdge = right;
+    intersection.intersectionPoint = qIntersectionPoint(u1, u2, v1, v2);
+
+    if (!intersection.intersectionPoint.isValid())
+        return false;
+
+    Q_ASSERT(intersection.intersectionPoint.isOnLine(u1, u2));
+    Q_ASSERT(intersection.intersectionPoint.isOnLine(v1, v2));
+
+    intersection.vertex = m_parent->m_vertices.size();
+    m_topIntersection.push(intersection);
+    m_parent->m_vertices.add(intersection.intersectionPoint.round());
+    return true;
+}
+
+bool QTriangulator::ComplexToSimple::edgeIsLeftOfEdge(int leftEdgeIndex, int rightEdgeIndex) const
+{
+    const Edge &leftEdge = m_edges.at(leftEdgeIndex);
+    const Edge &rightEdge = m_edges.at(rightEdgeIndex);
+    const QPodPoint &u = m_parent->m_vertices.at(rightEdge.upper());
+    const QPodPoint &l = m_parent->m_vertices.at(rightEdge.lower());
+    const QPodPoint &upper = m_parent->m_vertices.at(leftEdge.upper());
+    if (upper.x < qMin(l.x, u.x))
+        return true;
+    if (upper.x > qMax(l.x, u.x))
+        return false;
+    qint64 d = qPointDistanceFromLine(upper, l, u);
+    // d < 0: left, d > 0: right, d == 0: on top
+    if (d == 0)
+        d = qPointDistanceFromLine(m_parent->m_vertices.at(leftEdge.lower()), l, u);
+    return d < 0;
+}
+
+QRBTree<int>::Node *QTriangulator::ComplexToSimple::searchEdgeLeftOf(int edgeIndex) const
+{
+    QRBTree<int>::Node *current = m_edgeList.root;
+    QRBTree<int>::Node *result = 0;
+    while (current) {
+        if (edgeIsLeftOfEdge(edgeIndex, current->data)) {
+            current = current->left;
+        } else {
+            result = current;
+            current = current->right;
+        }
+    }
+    return result;
+}
+
+QRBTree<int>::Node *QTriangulator::ComplexToSimple::searchEdgeLeftOf(int edgeIndex, QRBTree<int>::Node *after) const
+{
+    if (!m_edgeList.root)
+        return after;
+    QRBTree<int>::Node *result = after;
+    QRBTree<int>::Node *current = (after ? m_edgeList.next(after) : m_edgeList.front(m_edgeList.root));
+    while (current) {
+        if (edgeIsLeftOfEdge(edgeIndex, current->data))
+            return result;
+        result = current;
+        current = m_edgeList.next(current);
+    }
+    return result;
+}
+
+QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> QTriangulator::ComplexToSimple::bounds(const QPodPoint &point) const
+{
+    QRBTree<int>::Node *current = m_edgeList.root;
+    QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> result(0, 0);
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        if (d == 0) {
+            result.first = result.second = current;
+            break;
+        }
+        current = (d < 0 ? current->left : current->right);
+    }
+    if (current == 0)
+        return result;
+
+    current = result.first->left;
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        Q_ASSERT(d >= 0);
+        if (d == 0) {
+            result.first = current;
+            current = current->left;
+        } else {
+            current = current->right;
+        }
+    }
+
+    current = result.second->right;
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        Q_ASSERT(d <= 0);
+        if (d == 0) {
+            result.second = current;
+            current = current->right;
+        } else {
+            current = current->left;
+        }
+    }
+
+    return result;
+}
+
+QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> QTriangulator::ComplexToSimple::outerBounds(const QPodPoint &point) const
+{
+    QRBTree<int>::Node *current = m_edgeList.root;
+    QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> result(0, 0);
+
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        if (d == 0)
+            break;
+        if (d < 0) {
+            result.second = current;
+            current = current->left;
+        } else {
+            result.first = current;
+            current = current->right;
+        }
+    }
+
+    if (!current)
+        return result;
+
+    QRBTree<int>::Node *mid = current;
+
+    current = mid->left;
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        Q_ASSERT(d >= 0);
+        if (d == 0) {
+            current = current->left;
+        } else {
+            result.first = current;
+            current = current->right;
+        }
+    }
+
+    current = mid->right;
+    while (current) {
+        const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &v2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(point, v1, v2);
+        Q_ASSERT(d <= 0);
+        if (d == 0) {
+            current = current->right;
+        } else {
+            result.second = current;
+            current = current->left;
+        }
+    }
+
+    return result;
+}
+
+void QTriangulator::ComplexToSimple::splitEdgeListRange(QRBTree<int>::Node *leftmost, QRBTree<int>::Node *rightmost, int vertex, const QIntersectionPoint &intersectionPoint)
+{
+    Q_ASSERT(leftmost && rightmost);
+
+    // Split.
+    for (;;) {
+        const QPodPoint &u = m_parent->m_vertices.at(m_edges.at(leftmost->data).from);
+        const QPodPoint &v = m_parent->m_vertices.at(m_edges.at(leftmost->data).to);
+        Q_ASSERT(intersectionPoint.isOnLine(u, v));
+        const Split split = {vertex, leftmost->data, intersectionPoint.isAccurate()};
+        if (intersectionPoint.xOffset.numerator != 0 || intersectionPoint.yOffset.numerator != 0 || (intersectionPoint.upperLeft != u && intersectionPoint.upperLeft != v))
+            m_splits.add(split);
+        if (leftmost == rightmost)
+            break;
+        leftmost = m_edgeList.next(leftmost);
+    }
+}
+
+
+void QTriangulator::ComplexToSimple::reorderEdgeListRange(QRBTree<int>::Node *leftmost, QRBTree<int>::Node *rightmost)
+{
+    Q_ASSERT(leftmost && rightmost);
+
+    QRBTree<int>::Node *storeLeftmost = leftmost;
+    QRBTree<int>::Node *storeRightmost = rightmost;
+
+    // Reorder.
+    while (leftmost != rightmost) {
+        Edge &left = m_edges.at(leftmost->data);
+        Edge &right = m_edges.at(rightmost->data);
+        qSwap(left.node, right.node);
+        qSwap(leftmost->data, rightmost->data);
+        leftmost = m_edgeList.next(leftmost);
+        if (leftmost == rightmost)
+            break;
+        rightmost = m_edgeList.previous(rightmost);
+    }
+
+    rightmost = m_edgeList.next(storeRightmost);
+    leftmost = m_edgeList.previous(storeLeftmost);
+    if (leftmost)
+        calculateIntersection(leftmost->data, storeLeftmost->data);
+    if (rightmost)
+        calculateIntersection(storeRightmost->data, rightmost->data);
+}
+
+void QTriangulator::ComplexToSimple::sortEdgeList(const QPodPoint eventPoint)
+{
+    QIntersectionPoint eventPoint2 = qIntersectionPoint(eventPoint);
+    while (!m_topIntersection.isEmpty() && m_topIntersection.top().intersectionPoint < eventPoint2) {
+        Intersection intersection = m_topIntersection.pop();
+
+        QIntersectionPoint currentIntersectionPoint = intersection.intersectionPoint;
+        int currentVertex = intersection.vertex;
+
+        QRBTree<int>::Node *leftmost = m_edges.at(intersection.leftEdge).node;
+        QRBTree<int>::Node *rightmost = m_edges.at(intersection.rightEdge).node;
+
+        for (;;) {
+            QRBTree<int>::Node *previous = m_edgeList.previous(leftmost);
+            if (!previous)
+                break;
+            const Edge &edge = m_edges.at(previous->data);
+            const QPodPoint &u = m_parent->m_vertices.at(edge.from);
+            const QPodPoint &v = m_parent->m_vertices.at(edge.to);
+            if (!currentIntersectionPoint.isOnLine(u, v)) {
+                Q_ASSERT(!currentIntersectionPoint.isAccurate() || qCross(currentIntersectionPoint.upperLeft - u, v - u) != 0);
+                break;
+            }
+            leftmost = previous;
+        }
+
+        for (;;) {
+            QRBTree<int>::Node *next = m_edgeList.next(rightmost);
+            if (!next)
+                break;
+            const Edge &edge = m_edges.at(next->data);
+            const QPodPoint &u = m_parent->m_vertices.at(edge.from);
+            const QPodPoint &v = m_parent->m_vertices.at(edge.to);
+            if (!currentIntersectionPoint.isOnLine(u, v)) {
+                Q_ASSERT(!currentIntersectionPoint.isAccurate() || qCross(currentIntersectionPoint.upperLeft - u, v - u) != 0);
+                break;
+            }
+            rightmost = next;
+        }
+
+        Q_ASSERT(leftmost && rightmost);
+        splitEdgeListRange(leftmost, rightmost, currentVertex, currentIntersectionPoint);
+        reorderEdgeListRange(leftmost, rightmost);
+
+        while (!m_topIntersection.isEmpty() && m_topIntersection.top().intersectionPoint <= currentIntersectionPoint)
+            m_topIntersection.pop();
+
+#ifdef Q_TRIANGULATOR_DEBUG
+        DebugDialog dialog(this, intersection.vertex);
+        dialog.exec();
+#endif
+
+    }
+}
+
+void QTriangulator::ComplexToSimple::fillPriorityQueue()
+{
+    m_events.reset();
+    m_events.reserve(m_edges.size() * 2);
+    for (int i = 0; i < m_edges.size(); ++i) {
+        Q_ASSERT(m_edges.at(i).previous == -1 && m_edges.at(i).next == -1);
+        Q_ASSERT(m_edges.at(i).node == 0);
+        Q_ASSERT(m_edges.at(i).pointingUp == m_edges.at(i).originallyPointingUp);
+        Q_ASSERT(m_edges.at(i).pointingUp == (m_parent->m_vertices.at(m_edges.at(i).to) < m_parent->m_vertices.at(m_edges.at(i).from)));
+        // Ignore zero-length edges.
+        if (m_parent->m_vertices.at(m_edges.at(i).to) != m_parent->m_vertices.at(m_edges.at(i).from)) {
+            QPodPoint upper = m_parent->m_vertices.at(m_edges.at(i).upper());
+            QPodPoint lower = m_parent->m_vertices.at(m_edges.at(i).lower());
+            Event upperEvent = {{upper.x, upper.y}, Event::Upper, i};
+            Event lowerEvent = {{lower.x, lower.y}, Event::Lower, i};
+            m_events.add(upperEvent);
+            m_events.add(lowerEvent);
+        }
+    }
+    //qSort(m_events.data(), m_events.data() + m_events.size());
+    sort(m_events.data(), m_events.size());
+}
+
+void QTriangulator::ComplexToSimple::calculateIntersections()
+{
+    fillPriorityQueue();
+
+    Q_ASSERT(m_topIntersection.empty());
+    Q_ASSERT(m_edgeList.root == 0);
+
+    // Find all intersection points.
+    while (!m_events.isEmpty()) {
+        Event event = m_events.last();
+        sortEdgeList(event.point);
+
+        // Find all edges in the edge list that contain the current vertex and mark them to be split later.
+        QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> range = bounds(event.point);
+        QRBTree<int>::Node *leftNode = range.first ? m_edgeList.previous(range.first) : 0;
+        int vertex = (event.type == Event::Upper ? m_edges.at(event.edge).upper() : m_edges.at(event.edge).lower());
+        QIntersectionPoint eventPoint = qIntersectionPoint(event.point);
+
+        if (range.first != 0) {
+            splitEdgeListRange(range.first, range.second, vertex, eventPoint);
+            reorderEdgeListRange(range.first, range.second);
+        }
+
+        // Handle the edges with start or end point in the current vertex.
+        while (!m_events.isEmpty() && m_events.last().point == event.point) {
+            event = m_events.last();
+            m_events.pop_back();
+            int i = event.edge;
+
+            if (m_edges.at(i).node) {
+                // Remove edge from edge list.
+                Q_ASSERT(event.type == Event::Lower);
+                QRBTree<int>::Node *left = m_edgeList.previous(m_edges.at(i).node);
+                QRBTree<int>::Node *right = m_edgeList.next(m_edges.at(i).node);
+                m_edgeList.deleteNode(m_edges.at(i).node);
+                if (!left || !right)
+                    continue;
+                calculateIntersection(left->data, right->data);
+            } else {
+                // Insert edge into edge list.
+                Q_ASSERT(event.type == Event::Upper);
+                QRBTree<int>::Node *left = searchEdgeLeftOf(i, leftNode);
+                m_edgeList.attachAfter(left, m_edges.at(i).node = m_edgeList.newNode());
+                m_edges.at(i).node->data = i;
+                QRBTree<int>::Node *right = m_edgeList.next(m_edges.at(i).node);
+                if (left)
+                    calculateIntersection(left->data, i);
+                if (right)
+                    calculateIntersection(i, right->data);
+            }
+        }
+        while (!m_topIntersection.isEmpty() && m_topIntersection.top().intersectionPoint <= eventPoint)
+            m_topIntersection.pop();
+#ifdef Q_TRIANGULATOR_DEBUG
+        DebugDialog dialog(this, vertex);
+        dialog.exec();
+#endif
+    }
+    m_processedEdgePairs.clear();
+}
+
+// Split an edge into two pieces at the given point.
+// The upper piece is pushed to the end of the 'm_edges' vector.
+// The lower piece replaces the old edge.
+// Return the edge whose 'from' is 'pointIndex'.
+int QTriangulator::ComplexToSimple::splitEdge(int splitIndex)
+{
+    const Split &split = m_splits.at(splitIndex);
+    Edge &lowerEdge = m_edges.at(split.edge);
+    Q_ASSERT(lowerEdge.node == 0);
+    Q_ASSERT(lowerEdge.previous == -1 && lowerEdge.next == -1);
+
+    if (lowerEdge.from == split.vertex)
+        return split.edge;
+    if (lowerEdge.to == split.vertex)
+        return lowerEdge.next;
+
+    // Check that angle >= 90 degrees.
+    //Q_ASSERT(qDot(m_points.at(m_edges.at(edgeIndex).from) - m_points.at(pointIndex),
+    //    m_points.at(m_edges.at(edgeIndex).to) - m_points.at(pointIndex)) <= 0);
+
+    Edge upperEdge = lowerEdge;
+    upperEdge.mayIntersect |= !split.accurate; // The edge may have been split before at an inaccurate split point.
+    lowerEdge.mayIntersect = !split.accurate;
+    if (lowerEdge.pointingUp) {
+        lowerEdge.to = upperEdge.from = split.vertex;
+        m_edges.add(upperEdge);
+        return m_edges.size() - 1;
+    } else {
+        lowerEdge.from = upperEdge.to = split.vertex;
+        m_edges.add(upperEdge);
+        return split.edge;
+    }
+}
+
+bool QTriangulator::ComplexToSimple::splitEdgesAtIntersections()
+{
+    for (int i = 0; i < m_edges.size(); ++i)
+        m_edges.at(i).mayIntersect = false;
+    bool checkForNewIntersections = false;
+    for (int i = 0; i < m_splits.size(); ++i) {
+        splitEdge(i);
+        checkForNewIntersections |= !m_splits.at(i).accurate;
+    }
+    for (int i = 0; i < m_edges.size(); ++i) {
+        m_edges.at(i).originallyPointingUp = m_edges.at(i).pointingUp =
+            m_parent->m_vertices.at(m_edges.at(i).to) < m_parent->m_vertices.at(m_edges.at(i).from);
+    }
+    m_splits.reset();
+    return checkForNewIntersections;
+}
+
+void QTriangulator::ComplexToSimple::insertEdgeIntoVectorIfWanted(ShortArray &orderedEdges, int i)
+{
+    // Edges with zero length should not reach this part.
+    Q_ASSERT(m_parent->m_vertices.at(m_edges.at(i).from) != m_parent->m_vertices.at(m_edges.at(i).to));
+
+    // Skip edges with unwanted winding number.
+    int windingNumber = m_edges.at(i).winding;
+    if (m_edges.at(i).originallyPointingUp)
+        ++windingNumber;
+
+    // Make sure exactly one fill rule is specified.
+    Q_ASSERT(((m_parent->m_hint & QVectorPath::WindingFill) != 0) != ((m_parent->m_hint & QVectorPath::OddEvenFill) != 0));
+
+    if ((m_parent->m_hint & QVectorPath::WindingFill) && windingNumber != 0 && windingNumber != 1)
+        return;
+
+    // Skip cancelling edges.
+    if (!orderedEdges.isEmpty()) {
+        int j = orderedEdges[orderedEdges.size() - 1];
+        // If the last edge is already connected in one end, it should not be cancelled.
+        if (m_edges.at(j).next == -1 && m_edges.at(j).previous == -1
+            && (m_parent->m_vertices.at(m_edges.at(i).from) == m_parent->m_vertices.at(m_edges.at(j).to))
+            && (m_parent->m_vertices.at(m_edges.at(i).to) == m_parent->m_vertices.at(m_edges.at(j).from))) {
+            orderedEdges.removeLast();
+            return;
+        }
+    }
+    orderedEdges.append(i);
+}
+
+void QTriangulator::ComplexToSimple::removeUnwantedEdgesAndConnect()
+{
+    Q_ASSERT(m_edgeList.root == 0);
+    // Initialize priority queue.
+    fillPriorityQueue();
+
+    ShortArray orderedEdges;
+
+    while (!m_events.isEmpty()) {
+        Event event = m_events.last();
+        int edgeIndex = event.edge;
+
+        // Check that all the edges in the list crosses the current scanline
+        //if (m_edgeList.root) {
+        //    for (QRBTree<int>::Node *node = m_edgeList.front(m_edgeList.root); node; node = m_edgeList.next(node)) {
+        //        Q_ASSERT(event.point <= m_points.at(m_edges.at(node->data).lower()));
+        //    }
+        //}
+
+        orderedEdges.clear();
+        QPair<QRBTree<int>::Node *, QRBTree<int>::Node *> b = outerBounds(event.point);
+        if (m_edgeList.root) {
+            QRBTree<int>::Node *current = (b.first ? m_edgeList.next(b.first) : m_edgeList.front(m_edgeList.root));
+            // Process edges that are going to be removed from the edge list at the current event point.
+            while (current != b.second) {
+                Q_ASSERT(current);
+                Q_ASSERT(m_edges.at(current->data).node == current);
+                Q_ASSERT(qIntersectionPoint(event.point).isOnLine(m_parent->m_vertices.at(m_edges.at(current->data).from), m_parent->m_vertices.at(m_edges.at(current->data).to)));
+                Q_ASSERT(m_parent->m_vertices.at(m_edges.at(current->data).from) == event.point || m_parent->m_vertices.at(m_edges.at(current->data).to) == event.point);
+                insertEdgeIntoVectorIfWanted(orderedEdges, current->data);
+                current = m_edgeList.next(current);
+            }
+        }
+
+        // Remove edges above the event point, insert edges below the event point.
+        do {
+            event = m_events.last();
+            m_events.pop_back();
+            edgeIndex = event.edge;
+
+            // Edges with zero length should not reach this part.
+            Q_ASSERT(m_parent->m_vertices.at(m_edges.at(edgeIndex).from) != m_parent->m_vertices.at(m_edges.at(edgeIndex).to));
+
+            if (m_edges.at(edgeIndex).node) {
+                Q_ASSERT(event.type == Event::Lower);
+                Q_ASSERT(event.point == m_parent->m_vertices.at(m_edges.at(event.edge).lower()));
+                m_edgeList.deleteNode(m_edges.at(edgeIndex).node);
+            } else {
+                Q_ASSERT(event.type == Event::Upper);
+                Q_ASSERT(event.point == m_parent->m_vertices.at(m_edges.at(event.edge).upper()));
+                QRBTree<int>::Node *left = searchEdgeLeftOf(edgeIndex, b.first);
+                m_edgeList.attachAfter(left, m_edges.at(edgeIndex).node = m_edgeList.newNode());
+                m_edges.at(edgeIndex).node->data = edgeIndex;
+            }
+        } while (!m_events.isEmpty() && m_events.last().point == event.point);
+
+        if (m_edgeList.root) {
+            QRBTree<int>::Node *current = (b.first ? m_edgeList.next(b.first) : m_edgeList.front(m_edgeList.root));
+
+            // Calculate winding number and turn counter-clockwise.
+            int currentWindingNumber = (b.first ? m_edges.at(b.first->data).winding : 0);
+            while (current != b.second) {
+                Q_ASSERT(current);
+                //Q_ASSERT(b.second == 0 || m_edgeList.order(current, b.second) < 0);
+                int i = current->data;
+                Q_ASSERT(m_edges.at(i).node == current);
+
+                // Winding number.
+                int ccwWindingNumber = m_edges.at(i).winding = currentWindingNumber;
+                if (m_edges.at(i).originallyPointingUp) {
+                    --m_edges.at(i).winding;
+                } else {
+                    ++m_edges.at(i).winding;
+                    ++ccwWindingNumber;
+                }
+                currentWindingNumber = m_edges.at(i).winding;
+
+                // Turn counter-clockwise.
+                if ((ccwWindingNumber & 1) == 0) {
+                    Q_ASSERT(m_edges.at(i).previous == -1 && m_edges.at(i).next == -1);
+                    qSwap(m_edges.at(i).from, m_edges.at(i).to);
+                    m_edges.at(i).pointingUp = !m_edges.at(i).pointingUp;
+                }
+
+                current = m_edgeList.next(current);
+            }
+
+            // Process edges that were inserted into the edge list at the current event point.
+            current = (b.second ? m_edgeList.previous(b.second) : m_edgeList.back(m_edgeList.root));
+            while (current != b.first) {
+                Q_ASSERT(current);
+                Q_ASSERT(m_edges.at(current->data).node == current);
+                insertEdgeIntoVectorIfWanted(orderedEdges, current->data);
+                current = m_edgeList.previous(current);
+            }
+        }
+        if (orderedEdges.isEmpty())
+            continue;
+
+        Q_ASSERT((orderedEdges.size() & 1) == 0);
+
+        // Connect edges.
+        // First make sure the first edge point towards the current point.
+        int i;
+        if (m_parent->m_vertices.at(m_edges.at(orderedEdges[0]).from) == event.point) {
+            i = 1;
+            int copy = orderedEdges[0]; // Make copy in case the append() will cause a reallocation.
+            orderedEdges.append(copy);
+        } else {
+            Q_ASSERT(m_parent->m_vertices.at(m_edges.at(orderedEdges[0]).to) == event.point);
+            i = 0;
+        }
+
+        // Remove references to duplicate points. First find the point with lowest index.
+        int pointIndex = INT_MAX;
+        for (int j = i; j < orderedEdges.size(); j += 2) {
+            Q_ASSERT(j + 1 < orderedEdges.size());
+            Q_ASSERT(m_parent->m_vertices.at(m_edges.at(orderedEdges[j]).to) == event.point);
+            Q_ASSERT(m_parent->m_vertices.at(m_edges.at(orderedEdges[j + 1]).from) == event.point);
+            if (m_edges.at(orderedEdges[j]).to < pointIndex)
+                pointIndex = m_edges.at(orderedEdges[j]).to;
+            if (m_edges.at(orderedEdges[j + 1]).from < pointIndex)
+                pointIndex = m_edges.at(orderedEdges[j + 1]).from;
+        }
+
+        for (; i < orderedEdges.size(); i += 2) {
+            // Remove references to duplicate points by making all edges reference one common point.
+            m_edges.at(orderedEdges[i]).to = m_edges.at(orderedEdges[i + 1]).from = pointIndex;
+
+            Q_ASSERT(m_edges.at(orderedEdges[i]).pointingUp || m_edges.at(orderedEdges[i]).previous != -1);
+            Q_ASSERT(!m_edges.at(orderedEdges[i + 1]).pointingUp || m_edges.at(orderedEdges[i + 1]).next != -1);
+
+            m_edges.at(orderedEdges[i]).next = orderedEdges[i + 1];
+            m_edges.at(orderedEdges[i + 1]).previous = orderedEdges[i];
+        }
+    } // end while
+}
+
+void QTriangulator::ComplexToSimple::removeUnusedPoints() {
+    QBitArray used(m_parent->m_vertices.size(), false);
+    for (int i = 0; i < m_edges.size(); ++i) {
+        Q_ASSERT((m_edges.at(i).previous == -1) == (m_edges.at(i).next == -1));
+        if (m_edges.at(i).next != -1)
+            used.setBit(m_edges.at(i).from);
+    }
+    QDataBuffer<quint32> newMapping(m_parent->m_vertices.size());
+    newMapping.resize(m_parent->m_vertices.size());
+    int count = 0;
+    for (int i = 0; i < m_parent->m_vertices.size(); ++i) {
+        if (used.at(i)) {
+            m_parent->m_vertices.at(count) = m_parent->m_vertices.at(i);
+            newMapping.at(i) = count;
+            ++count;
+        }
+    }
+    m_parent->m_vertices.resize(count);
+    for (int i = 0; i < m_edges.size(); ++i) {
+        m_edges.at(i).from = newMapping.at(m_edges.at(i).from);
+        m_edges.at(i).to = newMapping.at(m_edges.at(i).to);
+    }
+}
+
+bool QTriangulator::ComplexToSimple::CompareEdges::operator () (int i, int j) const
+{
+    int cmp = comparePoints(m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(i).from),
+        m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(j).from));
+    if (cmp == 0) {
+        cmp = comparePoints(m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(i).to),
+            m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(j).to));
+    }
+    return cmp > 0;
+}
+
+inline bool QTriangulator::ComplexToSimple::Event::operator < (const Event &other) const
+{
+    if (point == other.point)
+        return type < other.type; // 'Lower' has higher priority than 'Upper'.
+    return other.point < point;
+}
+
+//============================================================================//
+//                QTriangulator::ComplexToSimple::DebugDialog                 //
+//============================================================================//
+
+#ifdef Q_TRIANGULATOR_DEBUG
+
+QTriangulator::ComplexToSimple::DebugDialog::DebugDialog(ComplexToSimple *parent, int currentVertex)
+    : m_parent(parent), m_vertex(currentVertex)
+{
+    QDataBuffer<QPodPoint> &vertices = m_parent->m_parent->m_vertices;
+    if (vertices.isEmpty())
+        return;
+    
+    int minX, maxX, minY, maxY;
+    minX = maxX = vertices.at(0).x;
+    minY = maxY = vertices.at(0).y;
+    for (int i = 1; i < vertices.size(); ++i) {
+        minX = qMin(minX, vertices.at(i).x);
+        maxX = qMax(maxX, vertices.at(i).x);
+        minY = qMin(minY, vertices.at(i).y);
+        maxY = qMax(maxY, vertices.at(i).y);
+    }
+    int w = maxX - minX;
+    int h = maxY - minY;
+    qreal border = qMin(w, h) / 10.0;
+    m_window = QRectF(minX - border, minY - border, (maxX - minX + 2 * border), (maxY - minY + 2 * border));
+}
+
+void QTriangulator::ComplexToSimple::DebugDialog::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.setRenderHint(QPainter::Antialiasing, true);
+    p.fillRect(rect(), Qt::black);
+    QDataBuffer<QPodPoint> &vertices = m_parent->m_parent->m_vertices;
+    if (vertices.isEmpty())
+        return;
+    
+    qreal halfPointSize = qMin(m_window.width(), m_window.height()) / 300.0;
+    p.setWindow(m_window.toRect());
+
+    p.setPen(Qt::white);
+
+    QDataBuffer<Edge> &edges = m_parent->m_edges;
+    for (int i = 0; i < edges.size(); ++i) {
+        QPodPoint u = vertices.at(edges.at(i).from);
+        QPodPoint v = vertices.at(edges.at(i).to);
+        p.drawLine(u.x, u.y, v.x, v.y);
+    }
+
+    for (int i = 0; i < vertices.size(); ++i) {
+        QPodPoint q = vertices.at(i);
+        p.fillRect(QRectF(q.x - halfPointSize, q.y - halfPointSize, 2 * halfPointSize, 2 * halfPointSize), Qt::red);
+    }
+
+    Qt::GlobalColor colors[6] = {Qt::red, Qt::green, Qt::blue, Qt::cyan, Qt::magenta, Qt::yellow};
+    p.setOpacity(0.5);
+    int count = 0;
+    if (m_parent->m_edgeList.root) {
+        QRBTree<int>::Node *current = m_parent->m_edgeList.front(m_parent->m_edgeList.root);
+        while (current) {
+            p.setPen(colors[count++ % 6]);
+            QPodPoint u = vertices.at(edges.at(current->data).from);
+            QPodPoint v = vertices.at(edges.at(current->data).to);
+            p.drawLine(u.x, u.y, v.x, v.y);
+            current = m_parent->m_edgeList.next(current);
+        }
+    }
+
+    p.setOpacity(1.0);
+    QPodPoint q = vertices.at(m_vertex);
+    p.fillRect(QRectF(q.x - halfPointSize, q.y - halfPointSize, 2 * halfPointSize, 2 * halfPointSize), Qt::green);
+
+    p.setPen(Qt::gray);
+    QDataBuffer<Split> &splits = m_parent->m_splits;
+    for (int i = 0; i < splits.size(); ++i) {
+        QPodPoint q = vertices.at(splits.at(i).vertex);
+        QPodPoint u = vertices.at(edges.at(splits.at(i).edge).from) - q;
+        QPodPoint v = vertices.at(edges.at(splits.at(i).edge).to) - q;
+        qreal uLen = sqrt(qreal(qDot(u, u)));
+        qreal vLen = sqrt(qreal(qDot(v, v)));
+        if (uLen) {
+            u.x *= 2 * halfPointSize / uLen;
+            u.y *= 2 * halfPointSize / uLen;
+        }
+        if (vLen) {
+            v.x *= 2 * halfPointSize / vLen;
+            v.y *= 2 * halfPointSize / vLen;
+        }
+        u += q;
+        v += q;
+        p.drawLine(u.x, u.y, v.x, v.y);        
+    }
+}
+
+void QTriangulator::ComplexToSimple::DebugDialog::wheelEvent(QWheelEvent *event)
+{
+    qreal scale = exp(-0.001 * event->delta());
+    QPointF center = m_window.center();
+    QPointF delta = scale * (m_window.bottomRight() - center);
+    m_window = QRectF(center - delta, center + delta);
+    event->accept();
+    update();
+}
+
+void QTriangulator::ComplexToSimple::DebugDialog::mouseMoveEvent(QMouseEvent *event)
+{
+    if (event->buttons() & Qt::LeftButton) {
+        QPointF delta = event->pos() - m_lastMousePos;
+        delta.setX(delta.x() * m_window.width() / width());
+        delta.setY(delta.y() * m_window.height() / height());
+        m_window.translate(-delta.x(), -delta.y());
+        m_lastMousePos = event->pos();
+        event->accept();
+        update();
+    }
+}
+
+void QTriangulator::ComplexToSimple::DebugDialog::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton)
+        m_lastMousePos = event->pos();
+    event->accept();
+}
+
+
+#endif
+
+//============================================================================//
+//                      QTriangulator::SimpleToMonotone                       //
+//============================================================================//
+
+void QTriangulator::SimpleToMonotone::decompose()
+{
+    setupDataStructures();
+    removeZeroLengthEdges();
+    monotoneDecomposition();
+
+    m_parent->m_indices.clear();
+    QBitArray processed(m_edges.size(), false);
+    for (int first = 0; first < m_edges.size(); ++first) {
+        if (processed.at(first))
+            continue;
+        int i = first;
+        do {
+            Q_ASSERT(!processed.at(i));
+            Q_ASSERT(m_edges.at(m_edges.at(i).next).previous == i);
+            m_parent->m_indices.push_back(m_edges.at(i).from);
+            processed.setBit(i);
+            i = m_edges.at(i).next;
+        } while (i != first);
+        if (m_parent->m_indices.size() > 0 && m_parent->m_indices.back() != Q_TRIANGULATE_END_OF_POLYGON)
+            m_parent->m_indices.push_back(Q_TRIANGULATE_END_OF_POLYGON);
+    }
+}
+
+void QTriangulator::SimpleToMonotone::setupDataStructures()
+{
+    int i = 0;
+    Edge e;
+    e.node = 0;
+    e.twin = -1;
+
+    while (i + 3 <= m_parent->m_indices.size()) {
+        int start = m_edges.size();
+
+        do {
+            e.from = m_parent->m_indices.at(i);
+            e.type = RegularVertex;
+            e.next = m_edges.size() + 1;
+            e.previous = m_edges.size() - 1;
+            m_edges.add(e);
+            ++i;
+            Q_ASSERT(i < m_parent->m_indices.size());
+        } while (m_parent->m_indices.at(i) != Q_TRIANGULATE_END_OF_POLYGON);
+
+        m_edges.last().next = start;
+        m_edges.at(start).previous = m_edges.size() - 1;
+        ++i; // Skip Q_TRIANGULATE_END_OF_POLYGON.
+    }
+
+    for (i = 0; i < m_edges.size(); ++i) {
+        m_edges.at(i).to = m_edges.at(m_edges.at(i).next).from;
+        m_edges.at(i).pointingUp = m_parent->m_vertices.at(m_edges.at(i).to) < m_parent->m_vertices.at(m_edges.at(i).from);
+        m_edges.at(i).helper = -1; // Not initialized here.
+    }
+}
+
+void QTriangulator::SimpleToMonotone::removeZeroLengthEdges()
+{
+    for (int i = 0; i < m_edges.size(); ++i) {
+        if (m_parent->m_vertices.at(m_edges.at(i).from) == m_parent->m_vertices.at(m_edges.at(i).to)) {
+            m_edges.at(m_edges.at(i).previous).next = m_edges.at(i).next;
+            m_edges.at(m_edges.at(i).next).previous = m_edges.at(i).previous;
+            m_edges.at(m_edges.at(i).next).from = m_edges.at(i).from;
+            m_edges.at(i).next = -1; // Mark as removed.
+        }
+    }
+
+    QDataBuffer<int> newMapping(m_edges.size());
+    newMapping.resize(m_edges.size());
+    int count = 0;
+    for (int i = 0; i < m_edges.size(); ++i) {
+        if (m_edges.at(i).next != -1) {
+            m_edges.at(count) = m_edges.at(i);
+            newMapping.at(i) = count;
+            ++count;
+        }
+    }
+    m_edges.resize(count);
+    for (int i = 0; i < m_edges.size(); ++i) {
+        m_edges.at(i).next = newMapping.at(m_edges.at(i).next);
+        m_edges.at(i).previous = newMapping.at(m_edges.at(i).previous);
+    }
+}
+
+void QTriangulator::SimpleToMonotone::fillPriorityQueue()
+{
+    m_upperVertex.reset();
+    m_upperVertex.reserve(m_edges.size());
+    for (int i = 0; i < m_edges.size(); ++i)
+        m_upperVertex.add(i);
+    CompareVertices cmp(this);
+    //qSort(m_upperVertex.data(), m_upperVertex.data() + m_upperVertex.size(), cmp);
+    sort(m_upperVertex.data(), m_upperVertex.size(), cmp);
+    //for (int i = 1; i < m_upperVertex.size(); ++i) {
+    //    Q_ASSERT(!cmp(m_upperVertex.at(i), m_upperVertex.at(i - 1)));
+    //}
+}
+
+bool QTriangulator::SimpleToMonotone::edgeIsLeftOfEdge(int leftEdgeIndex, int rightEdgeIndex) const
+{
+    const Edge &leftEdge = m_edges.at(leftEdgeIndex);
+    const Edge &rightEdge = m_edges.at(rightEdgeIndex);
+    const QPodPoint &u = m_parent->m_vertices.at(rightEdge.upper());
+    const QPodPoint &l = m_parent->m_vertices.at(rightEdge.lower());
+    qint64 d = qPointDistanceFromLine(m_parent->m_vertices.at(leftEdge.upper()), l, u);
+    // d < 0: left, d > 0: right, d == 0: on top
+    if (d == 0)
+        d = qPointDistanceFromLine(m_parent->m_vertices.at(leftEdge.lower()), l, u);
+    return d < 0;
+}
+
+// Returns the rightmost edge not to the right of the given edge.
+QRBTree<int>::Node *QTriangulator::SimpleToMonotone::searchEdgeLeftOfEdge(int edgeIndex) const
+{
+    QRBTree<int>::Node *current = m_edgeList.root;
+    QRBTree<int>::Node *result = 0;
+    while (current) {
+        if (edgeIsLeftOfEdge(edgeIndex, current->data)) {
+            current = current->left;
+        } else {
+            result = current;
+            current = current->right;
+        }
+    }
+    return result;
+}
+
+// Returns the rightmost edge left of the given point.
+QRBTree<int>::Node *QTriangulator::SimpleToMonotone::searchEdgeLeftOfPoint(int pointIndex) const
+{
+    QRBTree<int>::Node *current = m_edgeList.root;
+    QRBTree<int>::Node *result = 0;
+    while (current) {
+        const QPodPoint &p1 = m_parent->m_vertices.at(m_edges.at(current->data).lower());
+        const QPodPoint &p2 = m_parent->m_vertices.at(m_edges.at(current->data).upper());
+        qint64 d = qPointDistanceFromLine(m_parent->m_vertices.at(pointIndex), p1, p2);
+        if (d <= 0) {
+            current = current->left;
+        } else {
+            result = current;
+            current = current->right;
+        }
+    }
+    return result;
+}
+
+void QTriangulator::SimpleToMonotone::classifyVertex(int i)
+{
+    Edge &e2 = m_edges.at(i);
+    const Edge &e1 = m_edges.at(e2.previous);
+
+    bool startOrSplit = (e1.pointingUp && !e2.pointingUp);
+    bool endOrMerge = (!e1.pointingUp && e2.pointingUp);
+
+    const QPodPoint &p1 = m_parent->m_vertices.at(e1.from);
+    const QPodPoint &p2 = m_parent->m_vertices.at(e2.from);
+    const QPodPoint &p3 = m_parent->m_vertices.at(e2.to);
+    qint64 d = qPointDistanceFromLine(p1, p2, p3);
+    Q_ASSERT(d != 0 || (!startOrSplit && !endOrMerge));
+
+    e2.type = RegularVertex;
+
+    if (m_clockwiseOrder) {
+        if (startOrSplit)
+            e2.type = (d < 0 ? SplitVertex : StartVertex);
+        else if (endOrMerge)
+            e2.type = (d < 0 ? MergeVertex : EndVertex);
+    } else {
+        if (startOrSplit)
+            e2.type = (d > 0 ? SplitVertex : StartVertex);
+        else if (endOrMerge)
+            e2.type = (d > 0 ? MergeVertex : EndVertex);
+    }
+}
+
+void QTriangulator::SimpleToMonotone::classifyVertices()
+{
+    for (int i = 0; i < m_edges.size(); ++i)
+        classifyVertex(i);
+}
+
+bool QTriangulator::SimpleToMonotone::pointIsInSector(const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2, const QPodPoint &v3)
+{
+    bool leftOfPreviousEdge = !qPointIsLeftOfLine(p, v2, v1);
+    bool leftOfNextEdge = !qPointIsLeftOfLine(p, v3, v2);
+
+    if (qPointIsLeftOfLine(v1, v2, v3))
+        return leftOfPreviousEdge && leftOfNextEdge;
+    else
+        return leftOfPreviousEdge || leftOfNextEdge;
+}
+
+bool QTriangulator::SimpleToMonotone::pointIsInSector(int vertex, int sector)
+{
+    const QPodPoint &center = m_parent->m_vertices.at(m_edges.at(sector).from);
+    // Handle degenerate edges.
+    while (m_parent->m_vertices.at(m_edges.at(vertex).from) == center)
+        vertex = m_edges.at(vertex).next;
+    int next = m_edges.at(sector).next;
+    while (m_parent->m_vertices.at(m_edges.at(next).from) == center)
+        next = m_edges.at(next).next;
+    int previous = m_edges.at(sector).previous;
+    while (m_parent->m_vertices.at(m_edges.at(previous).from) == center)
+        previous = m_edges.at(previous).previous;
+
+    const QPodPoint &p = m_parent->m_vertices.at(m_edges.at(vertex).from);
+    const QPodPoint &v1 = m_parent->m_vertices.at(m_edges.at(previous).from);
+    const QPodPoint &v3 = m_parent->m_vertices.at(m_edges.at(next).from);
+    if (m_clockwiseOrder)
+        return pointIsInSector(p, v3, center, v1);
+    else
+        return pointIsInSector(p, v1, center, v3);
+}
+
+int QTriangulator::SimpleToMonotone::findSector(int edge, int vertex)
+{
+    while (!pointIsInSector(vertex, edge)) {
+        edge = m_edges.at(m_edges.at(edge).previous).twin;
+        Q_ASSERT(edge != -1);
+    }
+    return edge;
+}
+
+void QTriangulator::SimpleToMonotone::createDiagonal(int lower, int upper)
+{
+    lower = findSector(lower, upper);
+    upper = findSector(upper, lower);
+
+    int prevLower = m_edges.at(lower).previous;
+    int prevUpper = m_edges.at(upper).previous;
+
+    Edge e;
+
+    e.twin = m_edges.size() + 1;
+    e.next = upper;
+    e.previous = prevLower;
+    e.from = m_edges.at(lower).from;
+    e.to = m_edges.at(upper).from;
+    m_edges.at(upper).previous = m_edges.at(prevLower).next = int(m_edges.size());
+    m_edges.add(e);
+
+    e.twin = m_edges.size() - 1;
+    e.next = lower;
+    e.previous = prevUpper;
+    e.from = m_edges.at(upper).from;
+    e.to = m_edges.at(lower).from;
+    m_edges.at(lower).previous = m_edges.at(prevUpper).next = int(m_edges.size());
+    m_edges.add(e);
+}
+
+void QTriangulator::SimpleToMonotone::monotoneDecomposition()
+{
+    if (m_edges.isEmpty())
+        return;
+
+    Q_ASSERT(!m_edgeList.root);
+    QDataBuffer<QPair<int, int> > diagonals;
+
+    int i = 0;
+    for (int index = 1; index < m_edges.size(); ++index) {
+        if (m_parent->m_vertices.at(m_edges.at(index).from) < m_parent->m_vertices.at(m_edges.at(i).from))
+            i = index;
+    }
+    Q_ASSERT(i < m_edges.size());
+    int j = m_edges.at(i).previous;
+    Q_ASSERT(j < m_edges.size());
+    m_clockwiseOrder = qPointIsLeftOfLine(m_parent->m_vertices.at(m_edges.at(i).from),
+        m_parent->m_vertices.at(m_edges.at(j).from), m_parent->m_vertices.at(m_edges.at(i).to));
+
+    classifyVertices();
+    fillPriorityQueue();
+
+    // debug: set helpers explicitly (shouldn't be necessary)
+    //for (int i = 0; i < m_edges.size(); ++i)
+    //    m_edges.at(i).helper = m_edges.at(i).upper();
+
+    while (!m_upperVertex.isEmpty()) {
+        i = m_upperVertex.last();
+        Q_ASSERT(i < m_edges.size());
+        m_upperVertex.pop_back();
+        j = m_edges.at(i).previous;
+        Q_ASSERT(j < m_edges.size());
+
+        QRBTree<int>::Node *leftEdgeNode = 0;
+
+        switch (m_edges.at(i).type) {
+        case RegularVertex:
+            // If polygon interior is to the right of the vertex...
+            if (m_edges.at(i).pointingUp == m_clockwiseOrder) {
+                if (m_edges.at(i).node) {
+                    Q_ASSERT(!m_edges.at(j).node);
+                    if (m_edges.at(m_edges.at(i).helper).type == MergeVertex)
+                        diagonals.add(QPair<int, int>(i, m_edges.at(i).helper));
+                    m_edges.at(j).node = m_edges.at(i).node;
+                    m_edges.at(i).node = 0;
+                    m_edges.at(j).node->data = j;
+                    m_edges.at(j).helper = i;
+                } else if (m_edges.at(j).node) {
+                    Q_ASSERT(!m_edges.at(i).node);
+                    if (m_edges.at(m_edges.at(j).helper).type == MergeVertex)
+                        diagonals.add(QPair<int, int>(i, m_edges.at(j).helper));
+                    m_edges.at(i).node = m_edges.at(j).node;
+                    m_edges.at(j).node = 0;
+                    m_edges.at(i).node->data = i;
+                    m_edges.at(i).helper = i;
+                } else {
+                    qWarning("Inconsistent polygon. (#1)");
+                }
+            } else {
+                leftEdgeNode = searchEdgeLeftOfPoint(m_edges.at(i).from);
+                if (leftEdgeNode) {
+                    if (m_edges.at(m_edges.at(leftEdgeNode->data).helper).type == MergeVertex)
+                        diagonals.add(QPair<int, int>(i, m_edges.at(leftEdgeNode->data).helper));
+                    m_edges.at(leftEdgeNode->data).helper = i;
+                } else {
+                    qWarning("Inconsistent polygon. (#2)");
+                }
+            }
+            break;
+        case SplitVertex:
+            leftEdgeNode = searchEdgeLeftOfPoint(m_edges.at(i).from);
+            if (leftEdgeNode) {
+                diagonals.add(QPair<int, int>(i, m_edges.at(leftEdgeNode->data).helper));
+                m_edges.at(leftEdgeNode->data).helper = i;
+            } else {
+                qWarning("Inconsistent polygon. (#3)");
+            }
+            // Fall through.
+        case StartVertex:
+            if (m_clockwiseOrder) {
+                leftEdgeNode = searchEdgeLeftOfEdge(j);
+                QRBTree<int>::Node *node = m_edgeList.newNode();
+                node->data = j;
+                m_edges.at(j).node = node;
+                m_edges.at(j).helper = i;
+                m_edgeList.attachAfter(leftEdgeNode, node);
+                Q_ASSERT(m_edgeList.verify());
+            } else  {
+                leftEdgeNode = searchEdgeLeftOfEdge(i);
+                QRBTree<int>::Node *node = m_edgeList.newNode();
+                node->data = i;
+                m_edges.at(i).node = node;
+                m_edges.at(i).helper = i;
+                m_edgeList.attachAfter(leftEdgeNode, node);
+                Q_ASSERT(m_edgeList.verify());
+            }
+            break;
+        case MergeVertex:
+            leftEdgeNode = searchEdgeLeftOfPoint(m_edges.at(i).from);
+            if (leftEdgeNode) {
+                if (m_edges.at(m_edges.at(leftEdgeNode->data).helper).type == MergeVertex)
+                    diagonals.add(QPair<int, int>(i, m_edges.at(leftEdgeNode->data).helper));
+                m_edges.at(leftEdgeNode->data).helper = i;
+            } else {
+                qWarning("Inconsistent polygon. (#4)");
+            }
+            // Fall through.
+        case EndVertex:
+            if (m_clockwiseOrder) {
+                if (m_edges.at(m_edges.at(i).helper).type == MergeVertex)
+                    diagonals.add(QPair<int, int>(i, m_edges.at(i).helper));
+                if (m_edges.at(i).node) {
+                    m_edgeList.deleteNode(m_edges.at(i).node);
+                    Q_ASSERT(m_edgeList.verify());
+                } else {
+                    qWarning("Inconsistent polygon. (#5)");
+                }
+            } else {
+                if (m_edges.at(m_edges.at(j).helper).type == MergeVertex)
+                    diagonals.add(QPair<int, int>(i, m_edges.at(j).helper));
+                if (m_edges.at(j).node) {
+                    m_edgeList.deleteNode(m_edges.at(j).node);
+                    Q_ASSERT(m_edgeList.verify());
+                } else {
+                    qWarning("Inconsistent polygon. (#6)");
+                }
+            }
+            break;
+        }
+    }
+
+    for (int i = 0; i < diagonals.size(); ++i)
+        createDiagonal(diagonals.at(i).first, diagonals.at(i).second);
+}
+
+bool QTriangulator::SimpleToMonotone::CompareVertices::operator () (int i, int j) const
+{
+    if (m_parent->m_edges.at(i).from == m_parent->m_edges.at(j).from)
+        return m_parent->m_edges.at(i).type > m_parent->m_edges.at(j).type;
+    return m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(i).from) >
+        m_parent->m_parent->m_vertices.at(m_parent->m_edges.at(j).from);
+}
+
+//============================================================================//
+//                     QTriangulator::MonotoneToTriangles                     //
+//============================================================================//
+
+void QTriangulator::MonotoneToTriangles::decompose()
+{
+    QVector<quint32> result;
+    QDataBuffer<int> stack;
+    m_first = 0;
+    // Require at least three more indices.
+    while (m_first + 3 <= m_parent->m_indices.size()) {
+        m_length = 0;
+        while (m_parent->m_indices.at(m_first + m_length) != Q_TRIANGULATE_END_OF_POLYGON) {
+            ++m_length;
+            Q_ASSERT(m_first + m_length < m_parent->m_indices.size());
+        }
+        if (m_length < 3) {
+            m_first += m_length + 1;
+            continue;
+        }
+
+        int minimum = 0;
+        while (less(next(minimum), minimum))
+            minimum = next(minimum);
+        while (less(previous(minimum), minimum))
+            minimum = previous(minimum);
+
+        stack.reset();
+        stack.add(minimum);
+        int left = previous(minimum);
+        int right = next(minimum);
+        bool stackIsOnLeftSide;
+        bool clockwiseOrder = leftOfEdge(minimum, left, right);
+
+        if (less(left, right)) {
+            stack.add(left);
+            left = previous(left);
+            stackIsOnLeftSide = true;
+        } else {
+            stack.add(right);
+            right = next(right);
+            stackIsOnLeftSide = false;
+        }
+
+        for (int count = 0; count + 2 < m_length; ++count)
+        {
+            Q_ASSERT(stack.size() >= 2);
+            if (less(left, right)) {
+                if (stackIsOnLeftSide == false) {
+                    for (int i = 0; i + 1 < stack.size(); ++i) {
+                        result.push_back(indices(stack.at(i + 1)));
+                        result.push_back(indices(left));
+                        result.push_back(indices(stack.at(i)));
+                    }
+                    stack.first() = stack.last();
+                    stack.resize(1);
+                } else {
+                    while (stack.size() >= 2 && (clockwiseOrder ^ !leftOfEdge(left, stack.at(stack.size() - 2), stack.last()))) {
+                        result.push_back(indices(stack.at(stack.size() - 2)));
+                        result.push_back(indices(left));
+                        result.push_back(indices(stack.last()));
+                        stack.pop_back();
+                    }
+                }
+                stack.add(left);
+                left = previous(left);
+                stackIsOnLeftSide = true;
+            } else {
+                if (stackIsOnLeftSide == true) {
+                    for (int i = 0; i + 1 < stack.size(); ++i) {
+                        result.push_back(indices(stack.at(i)));
+                        result.push_back(indices(right));
+                        result.push_back(indices(stack.at(i + 1)));
+                    }
+                    stack.first() = stack.last();
+                    stack.resize(1);
+                } else {
+                    while (stack.size() >= 2 && (clockwiseOrder ^ !leftOfEdge(right, stack.last(), stack.at(stack.size() - 2)))) {
+                        result.push_back(indices(stack.last()));
+                        result.push_back(indices(right));
+                        result.push_back(indices(stack.at(stack.size() - 2)));
+                        stack.pop_back();
+                    }
+                }
+                stack.add(right);
+                right = next(right);
+                stackIsOnLeftSide = false;
+            }
+        }
+
+        m_first += m_length + 1;
+    }
+    m_parent->m_indices = result;
+}
+
+//============================================================================//
+//                                qTriangulate                                //
+//============================================================================//
+
+QTriangleSet qTriangulate(const qreal *polygon, int count, uint hint, const QTransform &matrix)
+{
+    QTriangulator triangulator;
+    triangulator.initialize(polygon, count, hint, matrix);
+    return triangulator.triangulate();
+}
+
+QTriangleSet qTriangulate(const QVectorPath &path, const QTransform &matrix, qreal lod)
+{
+    QTriangulator triangulator;
+    triangulator.initialize(path, matrix, lod);
+    return triangulator.triangulate();
+}
+
+QTriangleSet qTriangulate(const QPainterPath &path, const QTransform &matrix, qreal lod)
+{
+    QTriangulator triangulator;
+    triangulator.initialize(path, matrix, lod);
+    return triangulator.triangulate();
+}
+
+QPolylineSet qPolyline(const QVectorPath &path, const QTransform &matrix, qreal lod)
+{
+    QTriangulator triangulator;
+    triangulator.initialize(path, matrix, lod);
+    return triangulator.polyline();
+}
+
+QPolylineSet qPolyline(const QPainterPath &path, const QTransform &matrix, qreal lod)
+{
+    QTriangulator triangulator;
+    triangulator.initialize(path, matrix, lod);
+    return triangulator.polyline();
+}
+
+QT_END_NAMESPACE
diff --git a/src/opengl/gl2paintengineex/qtriangulator_p.h b/src/opengl/gl2paintengineex/qtriangulator_p.h
new file mode 100644
index 0000000000..da47666a53
--- /dev/null
+++ b/src/opengl/gl2paintengineex/qtriangulator_p.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTRIANGULATOR_P_H
+#define QTRIANGULATOR_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/qvector.h>
+#include <QtGui/private/qvectorpath_p.h>
+
+QT_BEGIN_NAMESPACE
+
+#define Q_TRIANGULATE_END_OF_POLYGON quint32(-1)
+
+struct QTriangleSet
+{
+    inline QTriangleSet() { }
+    inline QTriangleSet(const QTriangleSet &other) : vertices(other.vertices), indices(other.indices) { }
+    QTriangleSet &operator = (const QTriangleSet &other) {vertices = other.vertices; indices = other.indices; return *this;}
+
+    // The vertices of a triangle are given by: (x[i[n]], y[i[n]]), (x[j[n]], y[j[n]]), (x[k[n]], y[k[n]]), n = 0, 1, ...
+    QVector<qreal> vertices; // [x[0], y[0], x[1], y[1], x[2], ...]
+    QVector<quint32> indices; // [i[0], j[0], k[0], i[1], j[1], k[1], i[2], ...]
+};
+
+struct QPolylineSet
+{
+    inline QPolylineSet() { }
+    inline QPolylineSet(const QPolylineSet &other) : vertices(other.vertices), indices(other.indices) { }
+    QPolylineSet &operator = (const QPolylineSet &other) {vertices = other.vertices; indices = other.indices; return *this;}
+
+    QVector<qreal> vertices; // [x[0], y[0], x[1], y[1], x[2], ...]
+    QVector<quint32> indices;
+
+};
+
+// The vertex coordinates of the returned triangle set will be rounded to a grid with a mesh size
+// of 1/32. The polygon is first transformed, then scaled by 32, the coordinates are rounded to
+// integers, the polygon is triangulated, and then scaled back by 1/32.
+// 'hint' should be a combination of QVectorPath::Hints.
+// 'lod' is the level of detail. Default is 1. Curves are split into more lines when 'lod' is higher.
+QTriangleSet qTriangulate(const qreal *polygon, int count, uint hint = QVectorPath::PolygonHint | QVectorPath::OddEvenFill, const QTransform &matrix = QTransform());
+QTriangleSet qTriangulate(const QVectorPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+QTriangleSet qTriangulate(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+QPolylineSet qPolyline(const QVectorPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+QPolylineSet qPolyline(const QPainterPath &path, const QTransform &matrix = QTransform(), qreal lod = 1);
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro
index 60768910c1..ff42a49e3c 100644
--- a/src/opengl/opengl.pro
+++ b/src/opengl/opengl.pro
@@ -13,7 +13,6 @@ include(../qbase.pri)
 !win32:!embedded:!mac:CONFIG	   += x11
 contains(QT_CONFIG, opengl):CONFIG += opengl
 contains(QT_CONFIG, opengles1):CONFIG += opengles1
-contains(QT_CONFIG, opengles1cl):CONFIG += opengles1cl
 contains(QT_CONFIG, opengles2):CONFIG += opengles2
 contains(QT_CONFIG, egl):CONFIG += egl
 
@@ -26,6 +25,7 @@ HEADERS += qgl.h \
            qglframebufferobject_p.h  \
            qglextensions_p.h \
            qglpaintdevice_p.h \
+           qglbuffer.h \
 
 
 SOURCES	+= qgl.cpp \
@@ -34,6 +34,7 @@ SOURCES	+= qgl.cpp \
 	   qglframebufferobject.cpp \
            qglextensions.cpp \
            qglpaintdevice.cpp \
+           qglbuffer.cpp \
 
 
 !contains(QT_CONFIG, opengles2) {
@@ -41,7 +42,7 @@ SOURCES	+= qgl.cpp \
     SOURCES += qpaintengine_opengl.cpp
 }
 
-!contains(QT_CONFIG, opengles1):!contains(QT_CONFIG, opengles1cl) {
+!contains(QT_CONFIG, opengles1) {
     HEADERS +=  qglshaderprogram.h \
                 qglpixmapfilter_p.h  \
                 qgraphicsshadereffect_p.h \
@@ -55,6 +56,7 @@ SOURCES	+= qgl.cpp \
                 gl2paintengineex/qglengineshadersource_p.h \
                 gl2paintengineex/qglcustomshaderstage_p.h \
                 gl2paintengineex/qtriangulatingstroker_p.h \
+                gl2paintengineex/qtriangulator_p.h \
                 gl2paintengineex/qtextureglyphcache_gl_p.h
 
     SOURCES +=  qglshaderprogram.cpp \
@@ -69,12 +71,13 @@ SOURCES	+= qgl.cpp \
                 gl2paintengineex/qpaintengineex_opengl2.cpp \
                 gl2paintengineex/qglcustomshaderstage.cpp \
                 gl2paintengineex/qtriangulatingstroker.cpp \
+                gl2paintengineex/qtriangulator.cpp \
                 gl2paintengineex/qtextureglyphcache_gl.cpp
 
 }
 
 x11 {
-    contains(QT_CONFIG, opengles1)|contains(QT_CONFIG, opengles1cl)|contains(QT_CONFIG, opengles2) {
+    contains(QT_CONFIG, opengles1)|contains(QT_CONFIG, opengles2) {
         SOURCES +=  qgl_x11egl.cpp \
                     qglpixelbuffer_egl.cpp \
                     qgl_egl.cpp \
@@ -121,8 +124,7 @@ wince*: {
                qglpixelbuffer_egl.cpp \
                qgl_egl.cpp
 
-    HEADERS += qgl_cl_p.h \
-               qgl_egl_p.h \
+    HEADERS += qgl_egl_p.h
 }
 
 embedded {
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index fce9fdb0a1..3e5c4fcaf8 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -67,7 +67,7 @@
 #include "qimage.h"
 #include "qgl_p.h"
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include "gl2paintengineex/qpaintengineex_opengl2_p.h"
 #endif
 
@@ -95,11 +95,6 @@
 
 QT_BEGIN_NAMESPACE
 
-#ifdef QT_OPENGL_ES_1_CL
-#include "qgl_cl_p.h"
-#endif
-
-
 #if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
 QGLExtensionFuncs QGLContextPrivate::qt_extensionFuncs;
 #endif
@@ -222,6 +217,9 @@ bool qt_gl_preferGL2Engine()
     \value DirectRendering   Specifies that the context is used for direct rendering to a display.
     \value HasOverlay        Enables the use of an overlay.
     \value SampleBuffers     Enables the use of sample buffers.
+    \value DeprecatedFunctions      Enables the use of deprecated functionality for OpenGL 3.x
+                                    contexts. A context with deprecated functionality enabled is
+                                    called a full context in the OpenGL specification.
     \value SingleBuffer      Specifies the use of a single buffer, as opposed to double buffers.
     \value NoDepthBuffer     Disables the use of a depth buffer.
     \value ColorIndex        Specifies that the context should use a color index as its pixel format.
@@ -232,6 +230,9 @@ bool qt_gl_preferGL2Engine()
     \value IndirectRendering Specifies that the context is used for indirect rendering to a buffer.
     \value NoOverlay         Disables the use of an overlay.
     \value NoSampleBuffers   Disables the use of sample buffers.
+    \value NoDeprecatedFunctions    Disables the use of deprecated functionality for OpenGL 3.x
+                                    contexts. A context with deprecated functionality disabled is
+                                    called a forward compatible context in the OpenGL specification.
 
     \sa {Sample Buffers Example}
 */
@@ -1077,6 +1078,90 @@ int QGLFormat::stencilBufferSize() const
 }
 
 /*!
+    \since 4.7
+
+    Set the OpenGL version to the \a major and \a minor numbers. If a
+    context compatible with the requested OpenGL version cannot be
+    created, a context compatible with version 1.x is created instead.
+
+    \sa majorVersion(), minorVersion()
+*/
+void QGLFormat::setVersion(int major, int minor)
+{
+    if (major < 1 || minor < 0) {
+        qWarning("QGLFormat::setVersion: Cannot set zero or negative version number %d.%d", major, minor);
+        return;
+    }
+    detach();
+    d->majorVersion = major;
+    d->minorVersion = minor;
+}
+
+/*!
+    \since 4.7
+
+    Returns the OpenGL major version.
+
+    \sa setVersion(), minorVersion()
+*/
+int QGLFormat::majorVersion() const
+{
+    return d->majorVersion;
+}
+
+/*!
+    \since 4.7
+
+    Returns the OpenGL minor version.
+
+    \sa setVersion(), majorVersion()
+*/
+int QGLFormat::minorVersion() const
+{
+    return d->minorVersion;
+}
+
+/*!
+    \enum QGLFormat::OpenGLContextProfile
+    \since 4.7
+
+    This enum describes the OpenGL context profiles that can be
+    specified for contexts implementing OpenGL version 3.2 or
+    higher. These profiles are different from OpenGL ES profiles.
+
+    \value NoProfile            OpenGL version is lower than 3.2.
+    \value CoreProfile          Functionality deprecated in OpenGL version 3.0 is not available.
+    \value CompatibilityProfile Functionality from earlier OpenGL versions is available.
+*/
+
+/*!
+    \since 4.7
+
+    Set the OpenGL context profile to \a profile. The \a profile is
+    ignored if the requested OpenGL version is less than 3.2.
+
+    \sa profile()
+*/
+void QGLFormat::setProfile(OpenGLContextProfile profile)
+{
+    detach();
+    d->profile = profile;
+}
+
+/*!
+    \since 4.7
+
+    Returns the OpenGL context profile.
+
+    \sa setProfile()
+*/
+QGLFormat::OpenGLContextProfile QGLFormat::profile() const
+{
+    return d->profile;
+}
+
+
+/*!
     \fn bool QGLFormat::hasOpenGL()
 
     Returns true if the window system has any OpenGL support;
@@ -1112,25 +1197,21 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co
                     if (parts[2].startsWith(QLatin1String("1.1")))
                         versionFlags |= QGLFormat::OpenGL_ES_Common_Version_1_1 |
                                         QGLFormat::OpenGL_ES_CommonLite_Version_1_1;
-                }
-                else {
+                } else {
                     // Not -CM, must be CL, CommonLite
                     versionFlags |= QGLFormat::OpenGL_ES_CommonLite_Version_1_0;
                     if (parts[2].startsWith(QLatin1String("1.1")))
                         versionFlags |= QGLFormat::OpenGL_ES_CommonLite_Version_1_1;
                 }
-            }
-            else {
+            } else {
                 // OpenGL ES version 2.0 or higher
                 versionFlags |= QGLFormat::OpenGL_ES_Version_2_0;
             }
-        }
-        else {
+        } else {
             // if < 3 parts to the name, it is an unrecognised OpenGL ES
             qWarning("Unrecognised OpenGL ES version");
         }
-    }
-    else {
+    } else {
         // not ES, regular OpenGL, the version numbers are first in the string
         if (versionString.startsWith(QLatin1String("1."))) {
             switch (versionString[2].toAscii()) {
@@ -1147,30 +1228,35 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co
             default:
                 break;
             }
-        }
-        else if (versionString.startsWith(QLatin1String("2."))) {
+        } else if (versionString.startsWith(QLatin1String("2."))) {
             versionFlags |= QGLFormat::OpenGL_Version_1_1 |
                             QGLFormat::OpenGL_Version_1_2 |
                             QGLFormat::OpenGL_Version_1_3 |
                             QGLFormat::OpenGL_Version_1_4 |
                             QGLFormat::OpenGL_Version_1_5 |
                             QGLFormat::OpenGL_Version_2_0;
-            QString minorVersion = versionString.section(QLatin1Char(' '), 0, 0).section(QLatin1Char('.'), 1, 1);
-            if (minorVersion == QChar(QLatin1Char('1')))
+            if (versionString[2].toAscii() == '1')
                 versionFlags |= QGLFormat::OpenGL_Version_2_1;
-        }
-        else if (versionString.startsWith(QLatin1String("3."))) {
-         versionFlags |= QGLFormat::OpenGL_Version_1_1 |
-                         QGLFormat::OpenGL_Version_1_2 |
-                         QGLFormat::OpenGL_Version_1_3 |
-                         QGLFormat::OpenGL_Version_1_4 |
-                         QGLFormat::OpenGL_Version_1_5 |
-                         QGLFormat::OpenGL_Version_2_0 |
-                         QGLFormat::OpenGL_Version_2_1 |
-                         QGLFormat::OpenGL_Version_3_0;
-        }
-        else
+        } else if (versionString.startsWith(QLatin1String("3."))) {
+            versionFlags |= QGLFormat::OpenGL_Version_1_1 |
+                            QGLFormat::OpenGL_Version_1_2 |
+                            QGLFormat::OpenGL_Version_1_3 |
+                            QGLFormat::OpenGL_Version_1_4 |
+                            QGLFormat::OpenGL_Version_1_5 |
+                            QGLFormat::OpenGL_Version_2_0 |
+                            QGLFormat::OpenGL_Version_2_1 |
+                            QGLFormat::OpenGL_Version_3_0;
+            switch (versionString[2].toAscii()) {
+            case '2':
+                versionFlags |= QGLFormat::OpenGL_Version_3_2;
+            case '1':
+                versionFlags |= QGLFormat::OpenGL_Version_3_1;
+            default:
+                break;
+            }
+        } else {
             qWarning("Unrecognised OpenGL version");
+        }
     }
     return versionFlags;
 }
@@ -1202,6 +1288,12 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co
 
     \value OpenGL_Version_3_0  OpenGL version 3.0 or higher is present.
 
+    \value OpenGL_Version_3_1  OpenGL version 3.1 or higher is present.
+    Note that OpenGL version 3.1 or higher does not necessarily support all the features of
+    version 3.0 and lower.
+
+    \value OpenGL_Version_3_2  OpenGL version 3.2 or higher is present.
+
     \value OpenGL_ES_CommonLite_Version_1_0  OpenGL ES version 1.0 Common Lite or higher is present.
 
     \value OpenGL_ES_Common_Version_1_0  OpenGL ES version 1.0 Common or higher is present.
@@ -1373,14 +1465,20 @@ void QGLFormat::setDefaultOverlayFormat(const QGLFormat &f)
 
 bool operator==(const QGLFormat& a, const QGLFormat& b)
 {
-    return (int) a.d->opts == (int) b.d->opts && a.d->pln == b.d->pln && a.d->alphaSize == b.d->alphaSize
-        && a.d->accumSize == b.d->accumSize && a.d->stencilSize == b.d->stencilSize
+    return (a.d == b.d) || ((int) a.d->opts == (int) b.d->opts
+        && a.d->pln == b.d->pln
+        && a.d->alphaSize == b.d->alphaSize
+        && a.d->accumSize == b.d->accumSize
+        && a.d->stencilSize == b.d->stencilSize
         && a.d->depthSize == b.d->depthSize
         && a.d->redSize == b.d->redSize
         && a.d->greenSize == b.d->greenSize
         && a.d->blueSize == b.d->blueSize
         && a.d->numSamples == b.d->numSamples
-        && a.d->swapInterval == b.d->swapInterval;
+        && a.d->swapInterval == b.d->swapInterval
+        && a.d->majorVersion == b.d->majorVersion
+        && a.d->minorVersion == b.d->minorVersion
+        && a.d->profile == b.d->profile);
 }
 
 
@@ -1554,7 +1652,7 @@ QImage qt_gl_read_texture(const QSize &size, bool alpha_format, bool include_alp
     QImage img(size, alpha_format ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32);
     int w = size.width();
     int h = size.height();
-#if !defined(QT_OPENGL_ES_2) && !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_2) && !defined(QT_OPENGL_ES_1)
     //### glGetTexImage not in GL ES 2.0, need to do something else here!
     glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
 #endif
@@ -2327,7 +2425,7 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target,
 {
     Q_Q(QGLContext);
     QPixmapData *pd = pixmap.pixmapData();
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
     if (target == GL_TEXTURE_2D && pd->classId() == QPixmapData::OpenGLClass) {
         const QGLPixmapData *data = static_cast<const QGLPixmapData *>(pd);
 
@@ -2574,41 +2672,41 @@ void QGLContext::deleteTexture(QMacCompatGLuint id)
 }
 #endif
 
-void qt_add_rect_to_array(const QRectF &r, q_vertexType *array)
+void qt_add_rect_to_array(const QRectF &r, GLfloat *array)
 {
     qreal left = r.left();
     qreal right = r.right();
     qreal top = r.top();
     qreal bottom = r.bottom();
 
-    array[0] = f2vt(left);
-    array[1] = f2vt(top);
-    array[2] = f2vt(right);
-    array[3] = f2vt(top);
-    array[4] = f2vt(right);
-    array[5] = f2vt(bottom);
-    array[6] = f2vt(left);
-    array[7] = f2vt(bottom);
+    array[0] = left;
+    array[1] = top;
+    array[2] = right;
+    array[3] = top;
+    array[4] = right;
+    array[5] = bottom;
+    array[6] = left;
+    array[7] = bottom;
 }
 
-void qt_add_texcoords_to_array(qreal x1, qreal y1, qreal x2, qreal y2, q_vertexType *array)
+void qt_add_texcoords_to_array(qreal x1, qreal y1, qreal x2, qreal y2, GLfloat *array)
 {
-    array[0] = f2vt(x1);
-    array[1] = f2vt(y1);
-    array[2] = f2vt(x2);
-    array[3] = f2vt(y1);
-    array[4] = f2vt(x2);
-    array[5] = f2vt(y2);
-    array[6] = f2vt(x1);
-    array[7] = f2vt(y2);
+    array[0] = x1;
+    array[1] = y1;
+    array[2] = x2;
+    array[3] = y1;
+    array[4] = x2;
+    array[5] = y2;
+    array[6] = x1;
+    array[7] = y2;
 }
 
 #if !defined(QT_OPENGL_ES_2)
 
 static void qDrawTextureRect(const QRectF &target, GLint textureWidth, GLint textureHeight, GLenum textureTarget)
 {
-    q_vertexType tx = f2vt(1);
-    q_vertexType ty = f2vt(1);
+    GLfloat tx = 1.0f;
+    GLfloat ty = 1.0f;
 
 #ifdef QT_OPENGL_ES
     Q_UNUSED(textureWidth);
@@ -2621,20 +2719,20 @@ static void qDrawTextureRect(const QRectF &target, GLint textureWidth, GLint tex
             glGetTexLevelParameteriv(textureTarget, 0, GL_TEXTURE_HEIGHT, &textureHeight);
         }
 
-        tx = f2vt(textureWidth);
-        ty = f2vt(textureHeight);
+        tx = GLfloat(textureWidth);
+        ty = GLfloat(textureHeight);
     }
 #endif
 
-    q_vertexType texCoordArray[4*2] = {
+    GLfloat texCoordArray[4*2] = {
         0, ty, tx, ty, tx, 0, 0, 0
     };
 
-    q_vertexType vertexArray[4*2];
+    GLfloat vertexArray[4*2];
     qt_add_rect_to_array(target, vertexArray);
 
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
-    glTexCoordPointer(2, q_vertexTypeEnum, 0, texCoordArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoordArray);
 
     glEnableClientState(GL_VERTEX_ARRAY);
     glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -4796,7 +4894,7 @@ void QGLWidget::drawTexture(const QPointF &point, QMacCompatGLuint textureId, QM
 }
 #endif
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_2_engine)
 #endif
 
@@ -4806,7 +4904,7 @@ Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_engine)
 
 Q_OPENGL_EXPORT QPaintEngine* qt_qgl_paint_engine()
 {
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1)
     return qt_gl_engine();
 #elif defined(QT_OPENGL_ES_2)
     return qt_gl_2_engine();
@@ -4929,7 +5027,7 @@ QGLExtensions::Extensions QGLExtensions::currentContextExtensions()
     glExtensions |= GenerateMipmap;
     glExtensions |= FragmentShader;
 #endif
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1)
     if (extensions.match("GL_OES_framebuffer_object"))
         glExtensions |= FramebufferObject;
 #endif
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index 1a04ff914e..64f54a3730 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -57,7 +57,7 @@ QT_BEGIN_HEADER
 #if defined(Q_WS_MAC)
 # include <OpenGL/gl.h>
 # include <OpenGL/glu.h>
-#elif defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#elif defined(QT_OPENGL_ES_1)
 # include <GLES/gl.h>
 #ifndef GL_DOUBLE
 # define GL_DOUBLE GL_FLOAT
@@ -144,6 +144,7 @@ namespace QGL
         DirectRendering         = 0x0080,
         HasOverlay              = 0x0100,
         SampleBuffers           = 0x0200,
+        DeprecatedFunctions     = 0x0400,
         SingleBuffer            = DoubleBuffer    << 16,
         NoDepthBuffer           = DepthBuffer     << 16,
         ColorIndex              = Rgba            << 16,
@@ -153,7 +154,8 @@ namespace QGL
         NoStereoBuffers         = StereoBuffers   << 16,
         IndirectRendering       = DirectRendering << 16,
         NoOverlay               = HasOverlay      << 16,
-        NoSampleBuffers         = SampleBuffers   << 16
+        NoSampleBuffers         = SampleBuffers   << 16,
+        NoDeprecatedFunctions   = DeprecatedFunctions << 16
     };
     Q_DECLARE_FLAGS(FormatOptions, FormatOption)
 }
@@ -235,7 +237,20 @@ public:
     static bool hasOpenGL();
     static bool hasOpenGLOverlays();
 
-    enum  OpenGLVersionFlag {
+    void setVersion(int major, int minor);
+    int majorVersion() const;
+    int minorVersion() const;
+
+    enum OpenGLContextProfile {
+        NoProfile,
+        CoreProfile,
+        CompatibilityProfile
+    };
+
+    void setProfile(OpenGLContextProfile profile);
+    OpenGLContextProfile profile() const;
+
+    enum OpenGLVersionFlag {
         OpenGL_Version_None               = 0x00000000,
         OpenGL_Version_1_1                = 0x00000001,
         OpenGL_Version_1_2                = 0x00000002,
@@ -249,7 +264,9 @@ public:
         OpenGL_ES_Common_Version_1_1      = 0x00000200,
         OpenGL_ES_CommonLite_Version_1_1  = 0x00000400,
         OpenGL_ES_Version_2_0             = 0x00000800,
-        OpenGL_Version_3_0                = 0x00001000
+        OpenGL_Version_3_0                = 0x00001000,
+        OpenGL_Version_3_1                = 0x00002000,
+        OpenGL_Version_3_2                = 0x00004000
     };
     Q_DECLARE_FLAGS(OpenGLVersionFlags, OpenGLVersionFlag)
 
diff --git a/src/opengl/qgl_cl_p.h b/src/opengl/qgl_cl_p.h
deleted file mode 100644
index 82b492b55d..0000000000
--- a/src/opengl/qgl_cl_p.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtOpenGL module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-
-#ifdef QT_OPENGL_ES_1_CL
-
-//
-//  W A R N I N G
-//  -------------
-//
-// This file is not part of the Qt API.  It exists for the convenience
-// of the QGLWidget class.  This header file may change from
-// version to version without notice, or even be removed.
-//
-// We mean it.
-//
-
-QT_BEGIN_NAMESPACE
-
-inline void glTexParameterf (GLenum target, GLenum pname, GLfloat param)
-{
-    glTexParameterx(target, pname, FLOAT2X(param));
-}
-inline void glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)
-{
-    glClearColorx(FLOAT2X(red) ,FLOAT2X(green), FLOAT2X(blue), FLOAT2X(alpha));
-}
-inline void glColor4f (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
-{
-    glColor4x(FLOAT2X(red) ,FLOAT2X(green), FLOAT2X(blue), FLOAT2X(alpha));
-}
-
-inline void glOrthof (GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat zNear, GLfloat zFar)
-{
-    glOrthox(FLOAT2X(left), FLOAT2X(right), FLOAT2X(bottom), FLOAT2X(top), FLOAT2X(zNear), FLOAT2X(zFar));
-}
-
-inline  void glPointSize (GLfloat size)
-{
-    glPointSizex(FLOAT2X(size));
-}
-
-inline void glPolygonOffset (GLfloat factor, GLfloat units)
-{
-    glPolygonOffsetx (FLOAT2X(factor), FLOAT2X(units));
-}
-
-inline void glRotatef (GLfloat angle, GLfloat x, GLfloat y, GLfloat z)
-{
-    glRotatex(FLOAT2X(angle), FLOAT2X(x), FLOAT2X(y), FLOAT2X(z));
-}
-
-inline void glTranslatef (GLfloat x, GLfloat y, GLfloat z)
-{
-    glTranslatex(FLOAT2X(x) ,FLOAT2X(y) ,FLOAT2X(z));
-}
-
-inline void glNormal3f (GLfloat nx, GLfloat ny, GLfloat nz)
-{
-    glNormal3x(FLOAT2X(nx), FLOAT2X(ny), FLOAT2X(nz));
-}
-
-inline void glScalef(GLfloat x, GLfloat y, GLfloat z)
-{
-    glScalex(FLOAT2X(x), FLOAT2X(y), FLOAT2X(z));
-}
-
-inline void glClearDepthf (GLclampf depth)
-{
-    glClearDepthx(FLOAT2X(depth));
-}
-
-inline void glAlphaFunc (GLenum func, GLclampf ref)
-{
-    glAlphaFuncx(func, FLOAT2X(ref));
-}
-
-inline void glLoadMatrixf (const GLfloat *_m)
-{
-    GLfixed m[16];
-    for (int i =0; i < 16; i++)
-        m[i] = FLOAT2X(_m[i]);
-    glLoadMatrixx(m);
-}
-
-inline void glMultMatrixf (const GLfloat *_m)
-{
-    GLfixed m[16];
-    for (int i =0; i < 16; i++)
-        m[i] = FLOAT2X(_m[i]);
-    glMultMatrixx (m);
-}
-
-
-inline void glLineWidth (GLfloat width)
-{
-    glLineWidthx(FLOAT2X(width));
-}
-
-QT_END_NAMESPACE
-
-#endif  //QT_OPENGL_ES_1_CL
-
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index da0887e477..efd2090a44 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -64,22 +64,6 @@
 #include "qcache.h"
 #include "qglpaintdevice_p.h"
 
-#ifndef QT_OPENGL_ES_1_CL
-#define q_vertexType float
-#define q_vertexTypeEnum GL_FLOAT
-#define f2vt(f)     (f)
-#define vt2f(x)     (x)
-#define i2vt(i)     (float(i))
-#else
-#define FLOAT2X(f)      (int( (f) * (65536)))
-#define X2FLOAT(x)      (float(x) / 65536.0f)
-#define f2vt(f)     FLOAT2X(f)
-#define i2vt(i)     ((i)*65536)
-#define vt2f(x)     X2FLOAT(x)
-#define q_vertexType GLfixed
-#define q_vertexTypeEnum GL_FIXED
-#endif //QT_OPENGL_ES_1_CL
-
 #ifdef QT_OPENGL_ES
 QT_BEGIN_INCLUDE_NAMESPACE
 #if defined(QT_OPENGL_ES_2)
@@ -132,11 +116,15 @@ public:
     QGLFormatPrivate()
         : ref(1)
     {
-        opts = QGL::DoubleBuffer | QGL::DepthBuffer | QGL::Rgba | QGL::DirectRendering | QGL::StencilBuffer;
+        opts = QGL::DoubleBuffer | QGL::DepthBuffer | QGL::Rgba | QGL::DirectRendering
+             | QGL::StencilBuffer | QGL::DeprecatedFunctions;
         pln = 0;
         depthSize = accumSize = stencilSize = redSize = greenSize = blueSize = alphaSize = -1;
         numSamples = -1;
         swapInterval = -1;
+        majorVersion = 1;
+        minorVersion = 0;
+        profile = QGLFormat::NoProfile;
     }
     QGLFormatPrivate(const QGLFormatPrivate *other)
         : ref(1),
@@ -150,7 +138,10 @@ public:
           blueSize(other->blueSize),
           alphaSize(other->alphaSize),
           numSamples(other->numSamples),
-          swapInterval(other->swapInterval)
+          swapInterval(other->swapInterval),
+          majorVersion(other->majorVersion),
+          minorVersion(other->minorVersion),
+          profile(other->profile)
     {
     }
     QAtomicInt ref;
@@ -165,6 +156,9 @@ public:
     int alphaSize;
     int numSamples;
     int swapInterval;
+    int majorVersion;
+    int minorVersion;
+    QGLFormat::OpenGLContextProfile profile;
 };
 
 class QGLWidgetPrivate : public QWidgetPrivate
@@ -346,6 +340,10 @@ public:
     void syncGlState(); // Makes sure the GL context's state is what we think it is
 
 #if defined(Q_WS_WIN)
+    void updateFormatVersion();
+#endif
+
+#if defined(Q_WS_WIN)
     HGLRC rc;
     HDC dc;
     WId        win;
diff --git a/src/opengl/qgl_win.cpp b/src/opengl/qgl_win.cpp
index ed4814f860..b5f952e832 100644
--- a/src/opengl/qgl_win.cpp
+++ b/src/opengl/qgl_win.cpp
@@ -122,6 +122,30 @@ typedef bool (APIENTRY *PFNWGLCHOOSEPIXELFORMATARB)(HDC hdc,
 #define WGL_TYPE_COLORINDEX_ARB        0x202C
 #endif
 
+#ifndef WGL_ARB_create_context
+#define WGL_CONTEXT_MAJOR_VERSION_ARB               0x2091
+#define WGL_CONTEXT_MINOR_VERSION_ARB               0x2092
+#define WGL_CONTEXT_LAYER_PLANE_ARB                 0x2093
+#define WGL_CONTEXT_FLAGS_ARB                       0x2094
+#define WGL_CONTEXT_PROFILE_MASK_ARB                0x9126
+#define WGL_CONTEXT_DEBUG_BIT_ARB                   0x0001
+#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB      0x0002
+#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB            0x0001
+#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB   0x0002
+// Error codes returned by GetLastError().
+#define ERROR_INVALID_VERSION_ARB                   0x2095
+#define ERROR_INVALID_PROFILE_ARB                   0x2096
+#endif
+
+#ifndef GL_VERSION_3_2
+#define GL_CONTEXT_PROFILE_MASK                     0x9126
+#define GL_MAJOR_VERSION                            0x821B
+#define GL_MINOR_VERSION                            0x821C
+#define GL_NUM_EXTENSIONS                           0x821D
+#define GL_CONTEXT_FLAGS                            0x821E
+#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT      0x0001
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QGLCmapPrivate
@@ -682,8 +706,118 @@ QGLTemporaryContext::~QGLTemporaryContext()
         wglMakeCurrent(d->old_dc, d->old_context);
 }
 
+static bool qgl_create_context(HDC hdc, QGLContextPrivate *d, QGLContextPrivate *shareContext)
+{
+    d->rc = 0;
+
+    typedef HGLRC (APIENTRYP PFNWGLCREATECONTEXTATTRIBSARB)(HDC, HGLRC, const int *);
+    PFNWGLCREATECONTEXTATTRIBSARB wglCreateContextAttribsARB =
+        (PFNWGLCREATECONTEXTATTRIBSARB) wglGetProcAddress("wglCreateContextAttribsARB");
+    if (wglCreateContextAttribsARB) {
+        int attributes[11];
+        int attribIndex = 0;
+        const int major = d->reqFormat.majorVersion();
+        const int minor = d->reqFormat.minorVersion();
+        attributes[attribIndex++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
+        attributes[attribIndex++] = major;
+        attributes[attribIndex++] = WGL_CONTEXT_MINOR_VERSION_ARB;
+        attributes[attribIndex++] = minor;
+
+        if (major >= 3 && !d->reqFormat.testOption(QGL::DeprecatedFunctions)) {
+            attributes[attribIndex++] = WGL_CONTEXT_FLAGS_ARB;
+            attributes[attribIndex++] = WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
+        }
+
+        if ((major == 3 && minor >= 2) || major > 3) {
+            switch (d->reqFormat.profile()) {
+            case QGLFormat::NoProfile:
+                break;
+            case QGLFormat::CoreProfile:
+                attributes[attribIndex++] = WGL_CONTEXT_PROFILE_MASK_ARB;
+                attributes[attribIndex++] = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
+                break;
+            case QGLFormat::CompatibilityProfile:
+                attributes[attribIndex++] = WGL_CONTEXT_PROFILE_MASK_ARB;
+                attributes[attribIndex++] = WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
+                break;
+            default:
+                qWarning("QGLContext::chooseContext(): Context profile not supported.");
+                return false;
+            }
+        }
+
+        if (d->reqFormat.plane() != 0) {
+            attributes[attribIndex++] = WGL_CONTEXT_LAYER_PLANE_ARB;
+            attributes[attribIndex++] = d->reqFormat.plane();
+        }
+
+        attributes[attribIndex++] = 0; // Terminate list.
+        d->rc = wglCreateContextAttribsARB(hdc, shareContext && shareContext->valid
+                                           ? shareContext->rc : 0, attributes);
+        if (d->rc) {
+            if (shareContext)
+                shareContext->sharing = d->sharing = true;
+            return true;
+        }
+    }
+
+    d->rc = wglCreateLayerContext(hdc, d->reqFormat.plane());
+    if (d->rc && shareContext && shareContext->valid)
+        shareContext->sharing = d->sharing = wglShareLists(shareContext->rc, d->rc);
+    return d->rc != 0;
+}
+
+void QGLContextPrivate::updateFormatVersion()
+{
+    const GLubyte *s = glGetString(GL_VERSION);
+
+    if (!(s && s[0] >= '0' && s[0] <= '9' && s[1] == '.' && s[2] >= '0' && s[2] <= '9')) {
+        if (!s)
+            qWarning("QGLContext::chooseContext(): OpenGL version string is null.");
+        else
+            qWarning("QGLContext::chooseContext(): Unexpected OpenGL version string format.");
+        glFormat.setVersion(0, 0);
+        glFormat.setProfile(QGLFormat::NoProfile);
+        glFormat.setOption(QGL::DeprecatedFunctions);
+        return;
+    }
+
+    int major = s[0] - '0';
+    int minor = s[2] - '0';
+    glFormat.setVersion(major, minor);
+
+    if (major < 3) {
+        glFormat.setProfile(QGLFormat::NoProfile);
+        glFormat.setOption(QGL::DeprecatedFunctions);
+    } else {
+        GLint value = 0;
+        if (major > 3 || minor >= 2)
+            glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &value);
+
+        switch (value) {
+        case WGL_CONTEXT_CORE_PROFILE_BIT_ARB:
+            glFormat.setProfile(QGLFormat::CoreProfile);
+            break;
+        case WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB:
+            glFormat.setProfile(QGLFormat::CompatibilityProfile);
+            break;
+        default:
+            glFormat.setProfile(QGLFormat::NoProfile);
+            break;
+        }
+
+        glGetIntegerv(GL_CONTEXT_FLAGS, &value);
+        if (value & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
+            glFormat.setOption(QGL::NoDeprecatedFunctions);
+        else
+            glFormat.setOption(QGL::DeprecatedFunctions);
+    }
+}
+
 bool QGLContext::chooseContext(const QGLContext* shareContext)
 {
+    QGLContextPrivate *share = shareContext ? const_cast<QGLContext *>(shareContext)->d_func() : 0;
+
     Q_D(QGLContext);
     // workaround for matrox driver:
     // make a cheap call to opengl to force loading of DLL
@@ -741,8 +875,7 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
             goto end;
         }
 
-        d->rc = wglCreateLayerContext(myDc, d->glFormat.plane());
-        if (!d->rc) {
+        if (!qgl_create_context(myDc, d, share)) {
             qwglError("QGLContext::chooseContext()", "CreateLayerContext");
             result = false;
             goto end;
@@ -792,16 +925,7 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
             d->cmap = new QGLCmap(1 << lpfd.cColorBits);
             d->cmap->setEntry(lpfd.crTransparent, qRgb(1, 2, 3));//, QGLCmap::Reserved);
         }
-
-        if (shareContext && shareContext->isValid()) {
-            QGLContext *share = const_cast<QGLContext *>(shareContext);
-            d->sharing = (wglShareLists(shareContext->d_func()->rc, d->rc) != 0);
-            share->d_func()->sharing = d->sharing;
-        }
-
-        goto end;
-    }
-    {
+    } else {
         PIXELFORMATDESCRIPTOR pfd;
         PIXELFORMATDESCRIPTOR realPfd;
         d->pixelFormatId = choosePixelFormat(&pfd, myDc);
@@ -840,17 +964,12 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
             goto end;
         }
 
-        if (!(d->rc = wglCreateLayerContext(myDc, 0))) {
+        if (!qgl_create_context(myDc, d, share)) {
             qwglError("QGLContext::chooseContext()", "wglCreateContext");
             result = false;
             goto end;
         }
 
-        if (shareContext && shareContext->isValid()) {
-            d->sharing = (wglShareLists(shareContext->d_func()->rc, d->rc) != 0);
-            const_cast<QGLContext *>(shareContext)->d_func()->sharing = d->sharing;
-        }
-
         if(!deviceIsPixmap()) {
             QRgb* pal = qgl_create_rgb_palette(&realPfd);
             if (pal) {
@@ -865,6 +984,9 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
 end:
     // vblanking
     wglMakeCurrent(myDc, d->rc);
+    if (d->rc)
+        d->updateFormatVersion();
+
     typedef BOOL (APIENTRYP PFNWGLSWAPINTERVALEXT) (int interval);
     typedef int (APIENTRYP PFNWGLGETSWAPINTERVALEXT) (void);
     PFNWGLSWAPINTERVALEXT wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXT) wglGetProcAddress("wglSwapIntervalEXT");
diff --git a/src/opengl/qglbuffer.cpp b/src/opengl/qglbuffer.cpp
new file mode 100644
index 0000000000..7022a53535
--- /dev/null
+++ b/src/opengl/qglbuffer.cpp
@@ -0,0 +1,454 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtOpenGL/qgl.h>
+#include <QtOpenGL/private/qgl_p.h>
+#include <QtOpenGL/private/qglextensions_p.h>
+#include "qglbuffer.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QGLBuffer
+    \brief The QGLBuffer class provides functions for creating and managing GL buffer objects.
+    \since 4.7
+    \ingroup painting-3D
+
+    Buffer objects are created in the GL server so that the
+    client application can avoid uploading vertices, indices,
+    texture image data, etc every time they are needed.
+*/
+
+/*!
+    \enum QGLBuffer::Type
+    This enum defines the type of GL buffer object to create with QGLBuffer.
+
+    \value VertexBuffer Vertex buffer object for use when specifying
+           vertex arrays.
+    \value IndexBuffer Index buffer object for use with \c{glDrawElements()}.
+    \value PixelPackBuffer Pixel pack buffer object for reading pixel
+           data from the GL server (for example, with \c{glReadPixels()}).
+           Not supported under OpenGL/ES.
+    \value PixelUnpackBuffer Pixel unpack buffer object for writing pixel
+           data to the GL server (for example, with \c{glTexImage2D()}).
+           Not supported under OpenGL/ES.
+*/
+
+/*!
+    \enum QGLBuffer::UsagePattern
+    This enum defines the usage pattern of a QGLBuffer object.
+
+    \value StreamDraw The data will be set once and used a few times
+           for drawing operations.  Under OpenGL/ES 1.1 this is identical
+           to StaticDraw.
+    \value StreamRead The data will be set once and used a few times
+           for reading data back from the GL server.  Not supported
+           under OpenGL/ES.
+    \value StreamCopy The data will be set once and used a few times
+           for reading data back from the GL server for use in further
+           drawing operations.  Not supported under OpenGL/ES.
+    \value StaticDraw The data will be set once and used many times
+           for drawing operations.
+    \value StaticRead The data will be set once and used many times
+           for reading data back from the GL server.  Not supported
+           under OpenGL/ES.
+    \value StaticCopy The data will be set once and used many times
+           for reading data back from the GL server for use in further
+           drawing operations.  Not supported under OpenGL/ES.
+    \value DynamicDraw The data will be modified repeatedly and used
+           many times for drawing operations.
+    \value DynamicRead The data will be modified repeatedly and used
+           many times for reading data back from the GL server.
+           Not supported under OpenGL/ES.
+    \value DynamicCopy The data will be modified repeatedly and used
+           many times for reading data back from the GL server for
+           use in further drawing operations.  Not supported under OpenGL/ES.
+*/
+
+/*!
+    \enum QGLBuffer::Access
+    This enum defines the access mode for QGLBuffer::map().
+
+    \value ReadOnly The buffer will be mapped for reading only.
+    \value WriteOnly The buffer will be mapped for writing only.
+    \value ReadWrite The buffer will be mapped for reading and writing.
+*/
+
+class QGLBufferPrivate
+{
+public:
+    QGLBufferPrivate(QGLBuffer::Type t)
+        : type(t),
+          guard(0),
+          usagePattern(QGLBuffer::StaticDraw),
+          actualUsagePattern(QGLBuffer::StaticDraw)
+    {
+    }
+
+    QGLBuffer::Type type;
+    QGLSharedResourceGuard guard;
+    QGLBuffer::UsagePattern usagePattern;
+    QGLBuffer::UsagePattern actualUsagePattern;
+};
+
+/*!
+    Constructs a new buffer object of \a type.
+
+    Note: this constructor just creates the QGLBuffer instance.  The actual
+    buffer object in the GL server is not created until create() is called.
+
+    \sa create()
+*/
+QGLBuffer::QGLBuffer(QGLBuffer::Type type)
+    : d_ptr(new QGLBufferPrivate(type))
+{
+}
+
+#define ctx d->guard.context()
+
+/*!
+    Destroys this buffer object, including the storage being
+    used in the GL server.
+*/
+QGLBuffer::~QGLBuffer()
+{
+    Q_D(QGLBuffer);
+    GLuint bufferId = d->guard.id();
+    if (bufferId) {
+        // Switch to the original creating context to destroy it.
+        QGLShareContextScope scope(d->guard.context());
+        glDeleteBuffers(1, &bufferId);
+    }
+}
+
+/*!
+    Returns the type of buffer represented by this object.
+*/
+QGLBuffer::Type QGLBuffer::type() const
+{
+    Q_D(const QGLBuffer);
+    return d->type;
+}
+
+/*!
+    Returns the usage pattern for this buffer object.
+    The default value is StaticDraw.
+
+    \sa setUsagePattern()
+*/
+QGLBuffer::UsagePattern QGLBuffer::usagePattern() const
+{
+    Q_D(const QGLBuffer);
+    return d->usagePattern;
+}
+
+/*!
+    Sets the usage pattern for this buffer object to \a value.
+    This function must be called before allocate() or write().
+
+    \sa usagePattern(), allocate(), write()
+*/
+void QGLBuffer::setUsagePattern(QGLBuffer::UsagePattern value)
+{
+    Q_D(QGLBuffer);
+#if defined(QT_OPENGL_ES_1)
+    // OpenGL/ES 1.1 does not support GL_STREAM_DRAW, so use GL_STATIC_DRAW.
+    // OpenGL/ES 2.0 does support GL_STREAM_DRAW.
+    d->usagePattern = value;
+    if (value == StreamDraw)
+        d->actualUsagePattern = StaticDraw;
+    else
+        d->actualUsagePattern = value;
+#else
+    d->usagePattern = d->actualUsagePattern = value;
+#endif
+}
+
+#undef ctx
+
+/*!
+    Creates the buffer object in the GL server.  Returns true if
+    the object was created; false otherwise.
+
+    This function must be called with a current QGLContext.
+    The buffer will be bound to and can only be used in
+    that context (or any other context that is shared with it).
+
+    This function will return false if the GL implementation
+    does not support buffers, or there is no current QGLContext.
+
+    \sa isCreated(), allocate(), write()
+*/
+bool QGLBuffer::create()
+{
+    Q_D(QGLBuffer);
+    if (d->guard.id())
+        return true;
+    const QGLContext *ctx = QGLContext::currentContext();
+    if (ctx) {
+        if (!qt_resolve_buffer_extensions(const_cast<QGLContext *>(ctx)))
+            return false;
+        GLuint bufferId = 0;
+        glGenBuffers(1, &bufferId);
+        if (bufferId) {
+            d->guard.setContext(ctx);
+            d->guard.setId(bufferId);
+            return true;
+        }
+    }
+    return false;
+}
+
+#define ctx d->guard.context()
+
+/*!
+    Returns true if this buffer has been created; false otherwise.
+
+    \sa create()
+*/
+bool QGLBuffer::isCreated() const
+{
+    Q_D(const QGLBuffer);
+    return d->guard.id() != 0;
+}
+
+/*!
+    Reads the \a count bytes in this buffer starting at \a offset
+    into \a data.  Returns true on success; false if reading from
+    the buffer is not supported.  Buffer reading is not supported
+    under OpenGL/ES.
+
+    It is assumed that this buffer has been bound to the current context.
+
+    \sa write(), bind()
+*/
+bool QGLBuffer::read(int offset, void *data, int count)
+{
+#if !defined(QT_OPENGL_ES)
+    Q_D(QGLBuffer);
+    if (!glGetBufferSubData || !d->guard.id())
+        return false;
+    while (glGetError() != GL_NO_ERROR) ; // Clear error state.
+    glGetBufferSubData(d->type, offset, count, data);
+    return glGetError() == GL_NO_ERROR;
+#else
+    Q_UNUSED(offset);
+    Q_UNUSED(data);
+    Q_UNUSED(count);
+    return false;
+#endif
+}
+
+/*!
+    Replaces the \a count bytes of this buffer starting at \a offset
+    with the contents of \a data.  Any other bytes in the buffer
+    will be left unmodified.
+
+    It is assumed that create() has been called on this buffer and that
+    it has been bound to the current context.
+
+    \sa create(), read(), allocate()
+*/
+void QGLBuffer::write(int offset, const void *data, int count)
+{
+    Q_D(QGLBuffer);
+    if (d->guard.id())
+        glBufferSubData(d->type, offset, count, data);
+}
+
+/*!
+    Allocates \a count bytes of space to the buffer, initialized to
+    the contents of \a data.  Any previous contents will be removed.
+
+    It is assumed that create() has been called on this buffer and that
+    it has been bound to the current context.
+
+    \sa create(), read(), write()
+*/
+void QGLBuffer::allocate(const void *data, int count)
+{
+    Q_D(QGLBuffer);
+    if (d->guard.id())
+        glBufferData(d->type, count, data, d->actualUsagePattern);
+}
+
+/*!
+    \fn void QGLBuffer::allocate(int count)
+    \overload
+
+    Allocates \a count bytes of space to the buffer.  Any previous
+    contents will be removed.
+
+    It is assumed that create() has been called on this buffer and that
+    it has been bound to the current context.
+
+    \sa create(), write()
+*/
+
+/*!
+    Binds the buffer associated with this object to the current
+    GL context.  Returns false if binding was not possible, usually because
+    type() is not supported on this GL implementation.
+
+    The buffer must be bound to the same QGLContext current when create()
+    was called, or to another QGLContext that is sharing with it.
+    Otherwise, false will be returned from this function.
+
+    \sa release(), create()
+*/
+bool QGLBuffer::bind() const
+{
+    Q_D(const QGLBuffer);
+    GLuint bufferId = d->guard.id();
+    if (bufferId) {
+        if (!QGLContext::areSharing(QGLContext::currentContext(),
+                                    d->guard.context())) {
+#ifndef QT_NO_DEBUG
+            qWarning("QGLBuffer::bind: buffer is not valid in the current context");
+#endif
+            return false;
+        }
+        glBindBuffer(d->type, bufferId);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+/*!
+    Releases the buffer associated with this object from the
+    current GL context.
+
+    This function must be called with the same QGLContext current
+    as when bind() was called on the buffer.
+
+    \sa bind()
+*/
+void QGLBuffer::release() const
+{
+    Q_D(const QGLBuffer);
+    if (d->guard.id())
+        glBindBuffer(d->type, 0);
+}
+
+/*!
+    Returns the GL identifier associated with this buffer; zero if
+    the buffer has not been created.
+
+    \sa isCreated()
+*/
+uint QGLBuffer::bufferId() const
+{
+    Q_D(const QGLBuffer);
+    return d->guard.id();
+}
+
+#ifndef GL_BUFFER_SIZE
+#define GL_BUFFER_SIZE 0x8764
+#endif
+
+/*!
+    Returns the size of the data in this buffer, for reading operations.
+    Returns -1 if fetching the buffer size is not supported, or the
+    buffer has not been created.
+
+    It is assumed that this buffer has been bound to the current context.
+
+    \sa isCreated(), bind()
+*/
+int QGLBuffer::size() const
+{
+    Q_D(const QGLBuffer);
+    if (!d->guard.id())
+        return -1;
+    GLint value = -1;
+    glGetBufferParameteriv(d->type, GL_BUFFER_SIZE, &value);
+    return value;
+}
+
+/*!
+    Maps the contents of this buffer into the application's memory
+    space and returns a pointer to it.  Returns null if memory
+    mapping is not possible.  The \a access parameter indicates the
+    type of access to be performed.
+
+    It is assumed that create() has been called on this buffer and that
+    it has been bound to the current context.
+
+    This function is only supported under OpenGL/ES if the
+    \c{GL_OES_mapbuffer} extension is present.
+
+    \sa unmap(), create(), bind()
+*/
+void *QGLBuffer::map(QGLBuffer::Access access)
+{
+    Q_D(QGLBuffer);
+    if (!d->guard.id())
+        return 0;
+    if (!glMapBufferARB)
+        return 0;
+    return glMapBufferARB(d->type, access);
+}
+
+/*!
+    Unmaps the buffer after it was mapped into the application's
+    memory space with a previous call to map().  Returns true if
+    the unmap succeeded; false otherwise.
+
+    It is assumed that this buffer has been bound to the current context,
+    and that it was previously mapped with map().
+
+    This function is only supported under OpenGL/ES if the
+    \c{GL_OES_mapbuffer} extension is present.
+
+    \sa map()
+*/
+bool QGLBuffer::unmap()
+{
+    Q_D(QGLBuffer);
+    if (!d->guard.id())
+        return false;
+    if (!glUnmapBufferARB)
+        return false;
+    return glUnmapBufferARB(d->type) == GL_TRUE;
+}
+
+QT_END_NAMESPACE
diff --git a/src/opengl/qglbuffer.h b/src/opengl/qglbuffer.h
new file mode 100644
index 0000000000..ecb86e2025
--- /dev/null
+++ b/src/opengl/qglbuffer.h
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGLBUFFER_H
+#define QGLBUFFER_H
+
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(OpenGL)
+
+class QGLBufferPrivate;
+
+class Q_OPENGL_EXPORT QGLBuffer
+{
+public:
+    enum Type
+    {
+        VertexBuffer        = 0x8892, // GL_ARRAY_BUFFER
+        IndexBuffer         = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
+        PixelPackBuffer     = 0x88EB, // GL_PIXEL_PACK_BUFFER
+        PixelUnpackBuffer   = 0x88EC  // GL_PIXEL_UNPACK_BUFFER
+    };
+
+    explicit QGLBuffer(QGLBuffer::Type type);
+    ~QGLBuffer();
+
+    enum UsagePattern
+    {
+        StreamDraw          = 0x88E0, // GL_STREAM_DRAW
+        StreamRead          = 0x88E1, // GL_STREAM_READ
+        StreamCopy          = 0x88E2, // GL_STREAM_COPY
+        StaticDraw          = 0x88E4, // GL_STATIC_DRAW
+        StaticRead          = 0x88E5, // GL_STATIC_READ
+        StaticCopy          = 0x88E6, // GL_STATIC_COPY
+        DynamicDraw         = 0x88E8, // GL_DYNAMIC_DRAW
+        DynamicRead         = 0x88E9, // GL_DYNAMIC_READ
+        DynamicCopy         = 0x88EA  // GL_DYNAMIC_COPY
+    };
+
+    enum Access
+    {
+        ReadOnly            = 0x88B8, // GL_READ_ONLY
+        WriteOnly           = 0x88B9, // GL_WRITE_ONLY
+        ReadWrite           = 0x88BA  // GL_READ_WRITE
+    };
+
+    QGLBuffer::Type type() const;
+
+    QGLBuffer::UsagePattern usagePattern() const;
+    void setUsagePattern(QGLBuffer::UsagePattern value);
+
+    bool create();
+    bool isCreated() const;
+
+    bool bind() const;
+    void release() const;
+
+    uint bufferId() const;
+
+    int size() const;
+
+    bool read(int offset, void *data, int count);
+    void write(int offset, const void *data, int count);
+
+    void allocate(const void *data, int count);
+    inline void allocate(int count) { allocate(0, count); }
+
+    void *map(QGLBuffer::Access access);
+    bool unmap();
+
+private:
+    QScopedPointer<QGLBufferPrivate> d_ptr;
+
+    Q_DISABLE_COPY(QGLBuffer)
+    Q_DECLARE_PRIVATE(QGLBuffer)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp
index c091191a86..02d55014f4 100644
--- a/src/opengl/qglextensions.cpp
+++ b/src/opengl/qglextensions.cpp
@@ -191,35 +191,45 @@ bool qt_resolve_frag_program_extensions(QGLContext *ctx)
 
 bool qt_resolve_buffer_extensions(QGLContext *ctx)
 {
-    if (glMapBufferARB && glUnmapBufferARB
-#if !defined(QT_OPENGL_ES_2)
-        && glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData
-#endif
-        )
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
+    if (glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData
+            && glBufferSubData && glGetBufferParameteriv)
         return true;
+#endif
 
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
     glBindBuffer = (_glBindBuffer) qt_gl_getProcAddressARB(ctx, "glBindBuffer");
     glDeleteBuffers = (_glDeleteBuffers) qt_gl_getProcAddressARB(ctx, "glDeleteBuffers");
     glGenBuffers = (_glGenBuffers) qt_gl_getProcAddressARB(ctx, "glGenBuffers");
     glBufferData = (_glBufferData) qt_gl_getProcAddressARB(ctx, "glBufferData");
+    glBufferSubData = (_glBufferSubData) qt_gl_getProcAddressARB(ctx, "glBufferSubData");
+    glGetBufferSubData = (_glGetBufferSubData) qt_gl_getProcAddressARB(ctx, "glGetBufferSubData");
+    glGetBufferParameteriv = (_glGetBufferParameteriv) qt_gl_getProcAddressARB(ctx, "glGetBufferParameteriv");
 #endif
     glMapBufferARB = (_glMapBufferARB) qt_gl_getProcAddressARB(ctx, "glMapBuffer");
     glUnmapBufferARB = (_glUnmapBufferARB) qt_gl_getProcAddressARB(ctx, "glUnmapBuffer");
 
-    return glMapBufferARB
-        && glUnmapBufferARB
-#if !defined(QT_OPENGL_ES_2)
-        && glBindBuffer
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
+    return glBindBuffer
         && glDeleteBuffers
         && glGenBuffers
         && glBufferData
+        && glBufferSubData
+        && glGetBufferParameteriv;
+        // glGetBufferSubData() is optional
+#else
+    return true;
 #endif
-        ;
 }
 
 bool qt_resolve_glsl_extensions(QGLContext *ctx)
 {
+    // Geometry shaders are optional...
+    glProgramParameteriEXT = (_glProgramParameteriEXT) ctx->getProcAddress(QLatin1String("glProgramParameteriEXT"));
+    glFramebufferTextureEXT = (_glFramebufferTextureEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureEXT"));
+    glFramebufferTextureLayerEXT = (_glFramebufferTextureLayerEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureLayerEXT"));
+    glFramebufferTextureFaceEXT = (_glFramebufferTextureFaceEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureFaceEXT"));
+
 #if defined(QT_OPENGL_ES_2)
     // The GLSL shader functions are always present in OpenGL/ES 2.0.
     // The only exceptions are glGetProgramBinaryOES and glProgramBinaryOES.
diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h
index e0fc99cf0c..f6926f320f 100644
--- a/src/opengl/qglextensions_p.h
+++ b/src/opengl/qglextensions_p.h
@@ -71,6 +71,7 @@
 #include <QtCore/qglobal.h>
 
 #ifndef GL_ARB_vertex_buffer_object
+typedef ptrdiff_t GLintptrARB;
 typedef ptrdiff_t GLsizeiptrARB;
 #endif
 
@@ -78,13 +79,25 @@ typedef ptrdiff_t GLsizeiptrARB;
 typedef char GLchar;
 #endif
 
-// ARB_pixel_buffer_object
+// ARB_vertex_buffer_object
 typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint);
 typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *);
 typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *);
 typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum);
+typedef void (APIENTRY *_glBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, const GLvoid *);
+typedef void (APIENTRY *_glGetBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, GLvoid *);
+typedef void (APIENTRY *_glGetBufferParameteriv) (GLenum, GLenum, GLint *);
 typedef GLvoid* (APIENTRY *_glMapBufferARB) (GLenum, GLenum);
 typedef GLboolean (APIENTRY *_glUnmapBufferARB) (GLenum);
+// We can call the buffer functions directly in OpenGL/ES 1.1 or higher,
+// but all other platforms need to resolve the extensions.
+#if defined(QT_OPENGL_ES)
+#if defined(GL_OES_VERSION_1_0) && !defined(GL_OES_VERSION_1_1)
+#define QGL_RESOLVE_BUFFER_FUNCS 1
+#endif
+#else
+#define QGL_RESOLVE_BUFFER_FUNCS 1
+#endif
 
 // ARB_fragment_program
 typedef void (APIENTRY *_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);
@@ -184,6 +197,15 @@ typedef void (APIENTRY *_glBlitFramebufferEXT) (int srcX0, int srcY0, int srcX1,
 typedef void (APIENTRY *_glRenderbufferStorageMultisampleEXT) (GLenum target, GLsizei samples,
                                                                GLenum internalformat, GLsizei width, GLsizei height);
 
+// GL_EXT_geometry_shader4
+typedef void (APIENTRY *_glProgramParameteriEXT)(GLuint program, GLenum pname, GLint value);
+typedef void (APIENTRY *_glFramebufferTextureEXT)(GLenum target, GLenum attachment,
+                                                  GLuint texture, GLint level);
+typedef void (APIENTRY *_glFramebufferTextureLayerEXT)(GLenum target, GLenum attachment,
+                                                       GLuint texture, GLint level, GLint layer);
+typedef void (APIENTRY *_glFramebufferTextureFaceEXT)(GLenum target, GLenum attachment,
+                                                      GLuint texture, GLint level, GLenum face);
+
 // ARB_texture_compression
 typedef void (APIENTRY *_glCompressedTexImage2DARB) (GLenum, GLint, GLenum, GLsizei,
                                                      GLsizei, GLint, GLsizei, const GLvoid *);
@@ -285,15 +307,22 @@ struct QGLExtensionFuncs
         qt_glRenderbufferStorageMultisampleEXT = 0;
 
         // Buffer objects:
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
         qt_glBindBuffer = 0;
         qt_glDeleteBuffers = 0;
         qt_glGenBuffers = 0;
         qt_glBufferData = 0;
+        qt_glBufferSubData = 0;
+        qt_glGetBufferSubData = 0;
+        qt_glGetBufferParameteriv = 0;
 #endif
         qt_glMapBufferARB = 0;
         qt_glUnmapBufferARB = 0;
 
+        qt_glProgramParameteriEXT = 0;
+        qt_glFramebufferTextureEXT = 0;
+        qt_glFramebufferTextureLayerEXT = 0;
+        qt_glFramebufferTextureFaceEXT = 0;
 #if !defined(QT_OPENGL_ES)
         // Texture compression
         qt_glCompressedTexImage2DARB = 0;
@@ -397,15 +426,23 @@ struct QGLExtensionFuncs
     _glRenderbufferStorageMultisampleEXT qt_glRenderbufferStorageMultisampleEXT;
 
     // Buffer objects
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
     _glBindBuffer qt_glBindBuffer;
     _glDeleteBuffers qt_glDeleteBuffers;
     _glGenBuffers qt_glGenBuffers;
     _glBufferData qt_glBufferData;
+    _glBufferSubData qt_glBufferSubData;
+    _glGetBufferSubData qt_glGetBufferSubData;
+    _glGetBufferParameteriv qt_glGetBufferParameteriv;
 #endif
     _glMapBufferARB qt_glMapBufferARB;
     _glUnmapBufferARB qt_glUnmapBufferARB;
 
+    // Geometry shaders...
+    _glProgramParameteriEXT qt_glProgramParameteriEXT;
+    _glFramebufferTextureEXT qt_glFramebufferTextureEXT;
+    _glFramebufferTextureLayerEXT qt_glFramebufferTextureLayerEXT;
+    _glFramebufferTextureFaceEXT qt_glFramebufferTextureFaceEXT;
 #if !defined(QT_OPENGL_ES)
     // Texture compression
     _glCompressedTexImage2DARB qt_glCompressedTexImage2DARB;
@@ -436,11 +473,11 @@ struct QGLExtensionFuncs
 #endif
 
 #ifndef GL_RGB16
-#define GL_RGB16 32852
+#define GL_RGB16 0x8054
 #endif
 
 #ifndef GL_UNSIGNED_SHORT_5_6_5
-#define GL_UNSIGNED_SHORT_5_6_5 33635
+#define GL_UNSIGNED_SHORT_5_6_5 0x8363
 #endif
 
 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
@@ -607,6 +644,20 @@ struct QGLExtensionFuncs
 #define GL_DECR_WRAP 0x8508
 #endif
 
+#ifndef GL_VERSION_1_5
+#define GL_ARRAY_BUFFER                                         0x8892
+#define GL_ELEMENT_ARRAY_BUFFER                                 0x8893
+#define GL_STREAM_DRAW                                          0x88E0
+#define GL_STREAM_READ                                          0x88E1
+#define GL_STREAM_COPY                                          0x88E2
+#define GL_STATIC_DRAW                                          0x88E4
+#define GL_STATIC_READ                                          0x88E5
+#define GL_STATIC_COPY                                          0x88E6
+#define GL_DYNAMIC_DRAW                                         0x88E8
+#define GL_DYNAMIC_READ                                         0x88E9
+#define GL_DYNAMIC_COPY                                         0x88EA
+#endif
+
 #ifndef GL_VERSION_2_0
 #define GL_FRAGMENT_SHADER 0x8B30
 #define GL_VERTEX_SHADER 0x8B31
@@ -636,6 +687,29 @@ struct QGLExtensionFuncs
 #define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
 #endif
 
+// Geometry shader defines
+#ifndef GL_GEOMETRY_SHADER_EXT
+#  define GL_GEOMETRY_SHADER_EXT 0x8DD9
+#  define GL_GEOMETRY_VERTICES_OUT_EXT 0x8DDA
+#  define GL_GEOMETRY_INPUT_TYPE_EXT 0x8DDB
+#  define GL_GEOMETRY_OUTPUT_TYPE_EXT 0x8DDC
+#  define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT 0x8C29
+#  define GL_MAX_GEOMETRY_VARYING_COMPONENTS_EXT 0x8DDD
+#  define GL_MAX_VERTEX_VARYING_COMPONENTS_EXT 0x8DDE
+#  define GL_MAX_VARYING_COMPONENTS_EXT 0x8B4B
+#  define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT 0x8DDF
+#  define GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT 0x8DE0
+#  define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT 0x8DE1
+#  define GL_LINES_ADJACENCY_EXT 0xA
+#  define GL_LINE_STRIP_ADJACENCY_EXT 0xB
+#  define GL_TRIANGLES_ADJACENCY_EXT 0xC
+#  define GL_TRIANGLE_STRIP_ADJACENCY_EXT 0xD
+#  define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT 0x8DA8
+#  define GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_EXT 0x8DA9
+#  define GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT 0x8DA7
+#  define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER_EXT 0x8CD4
+#  define GL_PROGRAM_POINT_SIZE_EXT 0x8642
+#endif
 
 #if !defined(QT_OPENGL_ES_2)
 #define glProgramStringARB QGLContextPrivate::extensionFuncs(ctx).qt_glProgramStringARB
@@ -675,11 +749,14 @@ struct QGLExtensionFuncs
 
 
 // Buffer objects
-#if !defined(QT_OPENGL_ES_2)
+#if defined(QGL_RESOLVE_BUFFER_FUNCS)
 #define glBindBuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindBuffer
 #define glDeleteBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteBuffers
 #define glGenBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenBuffers
 #define glBufferData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferData
+#define glBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferSubData
+#define glGetBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferSubData
+#define glGetBufferParameteriv QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferParameteriv
 #endif
 #define glMapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glMapBufferARB
 #define glUnmapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glUnmapBufferARB
@@ -753,6 +830,11 @@ struct QGLExtensionFuncs
 #define glClearDepth glClearDepthf
 #endif
 
+#define glProgramParameteriEXT QGLContextPrivate::extensionFuncs(ctx).qt_glProgramParameteriEXT
+#define glFramebufferTextureEXT QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferTextureEXT
+#define glFramebufferTextureLayerEXT QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferTextureLayerEXT
+#define glFramebufferTextureFaceEXT QGLContextPrivate::extensionFuncs(ctx).qt_glFramebufferTextureFaceEXT
+
 #if !defined(QT_OPENGL_ES)
 #define glCompressedTexImage2D QGLContextPrivate::extensionFuncs(ctx).qt_glCompressedTexImage2DARB
 #endif
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index ce80796edd..f1d23254ff 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -44,7 +44,7 @@
 
 #include <qdebug.h>
 #include <private/qgl_p.h>
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include <private/qpaintengineex_opengl2_p.h>
 #endif
 
@@ -56,10 +56,6 @@
 #include <qlibrary.h>
 #include <qimage.h>
 
-#ifdef QT_OPENGL_ES_1_CL
-#include "qgl_cl_p.h"
-#endif
-
 QT_BEGIN_NAMESPACE
 
 extern QImage qt_gl_read_framebuffer(const QSize&, bool, bool);
@@ -980,7 +976,7 @@ QImage QGLFramebufferObject::toImage() const
     return image;
 }
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_buffer_2_engine)
 #endif
 
@@ -995,7 +991,7 @@ QPaintEngine *QGLFramebufferObject::paintEngine() const
     if (d->engine)
         return d->engine;
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #if !defined (QT_OPENGL_ES_2)
     if (qt_gl_preferGL2Engine()) {
 #endif
diff --git a/src/opengl/qglpaintdevice.cpp b/src/opengl/qglpaintdevice.cpp
index 7697570ef8..a0b1a79e1c 100644
--- a/src/opengl/qglpaintdevice.cpp
+++ b/src/opengl/qglpaintdevice.cpp
@@ -48,14 +48,10 @@
 #include <private/qpixmapdata_x11gl_p.h>
 #endif
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include <private/qpixmapdata_gl_p.h>
 #endif
 
-#if defined(QT_OPENGL_ES_1_CL)
-#include "qgl_cl_p.h"
-#endif
-
 QT_BEGIN_NAMESPACE
 
 QGLPaintDevice::QGLPaintDevice()
@@ -198,7 +194,7 @@ QGLPaintDevice* QGLPaintDevice::getDevice(QPaintDevice* pd)
             glpd = &(static_cast<QGLFramebufferObject*>(pd)->d_func()->glDevice);
             break;
         case QInternal::Pixmap: {
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
             QPixmapData* pmd = static_cast<QPixmap*>(pd)->pixmapData();
             if (pmd->classId() == QPixmapData::OpenGLClass)
                 glpd = static_cast<QGLPixmapData*>(pmd)->glDevice();
diff --git a/src/opengl/qglpixelbuffer.cpp b/src/opengl/qglpixelbuffer.cpp
index 46f7697fd3..eca9550fc8 100644
--- a/src/opengl/qglpixelbuffer.cpp
+++ b/src/opengl/qglpixelbuffer.cpp
@@ -78,7 +78,7 @@
 
 #include <QtCore/qglobal.h>
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include <private/qpaintengineex_opengl2_p.h>
 #endif
 
@@ -387,7 +387,7 @@ bool QGLPixelBuffer::isValid() const
     return !d->invalid;
 }
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_buffer_2_engine)
 #endif
 
@@ -398,7 +398,7 @@ Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_buffer_engine)
 /*! \reimp */
 QPaintEngine *QGLPixelBuffer::paintEngine() const
 {
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1)
     return qt_buffer_engine();
 #elif defined(QT_OPENGL_ES_2)
     return qt_buffer_2_engine();
diff --git a/src/opengl/qglpixelbuffer_egl.cpp b/src/opengl/qglpixelbuffer_egl.cpp
index ca19011299..1e3223e70a 100644
--- a/src/opengl/qglpixelbuffer_egl.cpp
+++ b/src/opengl/qglpixelbuffer_egl.cpp
@@ -47,10 +47,6 @@
 #include <qimage.h>
 #include <private/qgl_p.h>
 
-#ifdef QT_OPENGL_ES_1_CL
-#include "qgl_cl_p.h"
-#endif
-
 QT_BEGIN_NAMESPACE
 
 #ifdef EGL_BIND_TO_TEXTURE_RGBA
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index 79484fa094..a0b332d20c 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -50,7 +50,7 @@
 
 QT_BEGIN_NAMESPACE
 
-#if !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
+#if !defined(QT_OPENGL_ES_1)
 
 /*!
     \class QGLShaderProgram
@@ -143,6 +143,8 @@ QT_BEGIN_NAMESPACE
 
     \value Vertex Vertex shader written in the OpenGL Shading Language (GLSL).
     \value Fragment Fragment shader written in the OpenGL Shading Language (GLSL).
+    \value Geometry Geometry shaders written in the OpenGL Shading
+           Language (GLSL), based on the GL_EXT_geometry_shader4 extension.
 */
 
 #ifndef GL_FRAGMENT_SHADER
@@ -226,6 +228,8 @@ bool QGLShaderPrivate::create()
         GLuint shader;
         if (shaderType == QGLShader::Vertex)
             shader = glCreateShader(GL_VERTEX_SHADER);
+        else if (shaderType == QGLShader::Geometry)
+            shader = glCreateShader(GL_GEOMETRY_SHADER_EXT);
         else
             shader = glCreateShader(GL_FRAGMENT_SHADER);
         if (!shader) {
@@ -509,6 +513,10 @@ GLuint QGLShader::shaderId() const
     return d->shaderGuard.id();
 }
 
+
+
+
+
 #undef ctx
 #define ctx programGuard.context()
 
@@ -521,8 +529,9 @@ public:
         , linked(false)
         , inited(false)
         , removingShaders(false)
-        , vertexShader(0)
-        , fragmentShader(0)
+        , geometryVertexCount(64)
+        , geometryInputType(0)
+        , geometryOutputType(0)
     {
     }
     ~QGLShaderProgramPrivate();
@@ -531,11 +540,14 @@ public:
     bool linked;
     bool inited;
     bool removingShaders;
+
+    int geometryVertexCount;
+    GLenum geometryInputType;
+    GLenum geometryOutputType;
+
     QString log;
     QList<QGLShader *> shaders;
     QList<QGLShader *> anonShaders;
-    QGLShader *vertexShader;
-    QGLShader *fragmentShader;
 
     bool hasShader(QGLShader::ShaderType type) const;
 };
@@ -604,6 +616,7 @@ bool QGLShaderProgram::init()
         context = QGLContext::currentContext();
         d->programGuard.setContext(context);
     }
+
     if (!context)
         return false;
     if (qt_resolve_glsl_extensions(const_cast<QGLContext *>(context))) {
@@ -831,6 +844,7 @@ bool QGLShaderProgram::link()
     GLuint program = d->programGuard.id();
     if (!program)
         return false;
+
     GLint value;
     if (d->shaders.isEmpty()) {
         // If there are no explicit shaders, then it is possible that the
@@ -843,6 +857,22 @@ bool QGLShaderProgram::link()
         if (d->linked)
             return true;
     }
+
+    // Set up the geometry shader parameters
+    if (glProgramParameteriEXT) {
+        foreach (QGLShader *shader, d->shaders) {
+            if (shader->shaderType() & QGLShader::Geometry) {
+                glProgramParameteriEXT(program, GL_GEOMETRY_INPUT_TYPE_EXT,
+                                       d->geometryInputType);
+                glProgramParameteriEXT(program, GL_GEOMETRY_OUTPUT_TYPE_EXT,
+                                       d->geometryOutputType);
+                glProgramParameteriEXT(program, GL_GEOMETRY_VERTICES_OUT_EXT,
+                                       d->geometryVertexCount);
+                break;
+            }
+        }
+    }
+
     glLinkProgram(program);
     value = 0;
     glGetProgramiv(program, GL_LINK_STATUS, &value);
@@ -1426,6 +1456,38 @@ void QGLShaderProgram::setAttributeArray
 }
 
 /*!
+    Sets an array of vertex \a values on the attribute at \a location
+    in this shader program.  The \a stride indicates the number of bytes
+    between vertices.  A default \a stride value of zero indicates that
+    the vertices are densely packed in \a values.
+
+    The \a type indicates the type of elements in the \a values array,
+    usually \c{GL_FLOAT}, \c{GL_UNSIGNED_BYTE}, etc.  The \a tupleSize
+    indicates the number of components per vertex: 1, 2, 3, or 4.
+
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    The setAttributeBuffer() function can be used to set the attribute
+    array to an offset within a vertex buffer.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray(), setAttributeBuffer()
+    \since 4.7
+*/
+void QGLShaderProgram::setAttributeArray
+    (int location, GLenum type, const void *values, int tupleSize, int stride)
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1) {
+        glVertexAttribPointer(location, tupleSize, type, GL_FALSE,
+                              stride, values);
+    }
+}
+
+/*!
     \overload
 
     Sets an array of vertex \a values on the attribute called \a name
@@ -1511,6 +1573,92 @@ void QGLShaderProgram::setAttributeArray
 }
 
 /*!
+    \overload
+
+    Sets an array of vertex \a values on the attribute called \a name
+    in this shader program.  The \a stride indicates the number of bytes
+    between vertices.  A default \a stride value of zero indicates that
+    the vertices are densely packed in \a values.
+
+    The \a type indicates the type of elements in the \a values array,
+    usually \c{GL_FLOAT}, \c{GL_UNSIGNED_BYTE}, etc.  The \a tupleSize
+    indicates the number of components per vertex: 1, 2, 3, or 4.
+
+    The array will become active when enableAttributeArray() is called
+    on the \a name.  Otherwise the value specified with
+    setAttributeValue() for \a name will be used.
+
+    The setAttributeBuffer() function can be used to set the attribute
+    array to an offset within a vertex buffer.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray(), setAttributeBuffer()
+    \since 4.7
+*/
+void QGLShaderProgram::setAttributeArray
+    (const char *name, GLenum type, const void *values, int tupleSize, int stride)
+{
+    setAttributeArray(attributeLocation(name), type, values, tupleSize, stride);
+}
+
+/*!
+    Sets an array of vertex values on the attribute at \a location in
+    this shader program, starting at a specific \a offset in the
+    currently bound vertex buffer.  The \a stride indicates the number
+    of bytes between vertices.  A default \a stride value of zero
+    indicates that the vertices are densely packed in the value array.
+
+    The \a type indicates the type of elements in the vertex value
+    array, usually \c{GL_FLOAT}, \c{GL_UNSIGNED_BYTE}, etc.  The \a
+    tupleSize indicates the number of components per vertex: 1, 2, 3,
+    or 4.
+
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    \sa setAttributeArray()
+    \since 4.7
+*/
+void QGLShaderProgram::setAttributeBuffer
+    (int location, GLenum type, int offset, int tupleSize, int stride)
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1) {
+        glVertexAttribPointer(location, tupleSize, type, GL_FALSE, stride,
+                              reinterpret_cast<const void *>(offset));
+    }
+}
+
+/*!
+    \overload
+
+    Sets an array of vertex values on the attribute called \a name
+    in this shader program, starting at a specific \a offset in the
+    currently bound vertex buffer.  The \a stride indicates the number
+    of bytes between vertices.  A default \a stride value of zero
+    indicates that the vertices are densely packed in the value array.
+
+    The \a type indicates the type of elements in the vertex value
+    array, usually \c{GL_FLOAT}, \c{GL_UNSIGNED_BYTE}, etc.  The \a
+    tupleSize indicates the number of components per vertex: 1, 2, 3,
+    or 4.
+
+    The array will become active when enableAttributeArray() is called
+    on the \a name.  Otherwise the value specified with
+    setAttributeValue() for \a name will be used.
+
+    \sa setAttributeArray()
+    \since 4.7
+*/
+void QGLShaderProgram::setAttributeBuffer
+    (const char *name, GLenum type, int offset, int tupleSize, int stride)
+{
+    setAttributeBuffer(attributeLocation(name), type, offset, tupleSize, stride);
+}
+
+/*!
     Enables the vertex array at \a location in this shader program
     so that the value set by setAttributeArray() on \a location
     will be used by the shader program.
@@ -2307,6 +2455,42 @@ void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x4& value
     \overload
 
     Sets the uniform variable at \a location in the current context
+    to a 2x2 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.7
+*/
+void QGLShaderProgram::setUniformValue(int location, const GLfloat value[2][2])
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1)
+        glUniformMatrix2fv(location, 1, GL_FALSE, value[0]);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable at \a location in the current context
+    to a 3x3 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.7
+*/
+void QGLShaderProgram::setUniformValue(int location, const GLfloat value[3][3])
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1)
+        glUniformMatrix3fv(location, 1, GL_FALSE, value[0]);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable at \a location in the current context
     to a 4x4 matrix \a value.  The matrix elements must be specified
     in column-major order.
 
@@ -2320,6 +2504,37 @@ void QGLShaderProgram::setUniformValue(int location, const GLfloat value[4][4])
         glUniformMatrix4fv(location, 1, GL_FALSE, value[0]);
 }
 
+
+/*!
+    \overload
+
+    Sets the uniform variable called \a name in the current context
+    to a 2x2 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.7
+*/
+void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[2][2])
+{
+    setUniformValue(uniformLocation(name), value);
+}
+
+/*!
+    \overload
+
+    Sets the uniform variable called \a name in the current context
+    to a 3x3 matrix \a value.  The matrix elements must be specified
+    in column-major order.
+
+    \sa setAttributeValue()
+    \since 4.7
+*/
+void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[3][3])
+{
+    setUniformValue(uniformLocation(name), value);
+}
+
 /*!
     \overload
 
@@ -2862,6 +3077,109 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x4 *
 #undef ctx
 
 /*!
+    Returns the hardware limit for how many vertices a geometry shader
+    can output.
+
+    \since 4.7
+
+    \sa setGeometryShaderOutputVertexCount
+*/
+int QGLShaderProgram::maxGeometryOutputVertices() const
+{
+    int n;
+    glGetIntegerv(GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT, &n);
+    return n;
+}
+
+
+
+/*!
+    Sets the maximum number of vertices the current geometry shader
+    program will produce, if active.
+
+    \since 4.7
+
+    This parameter takes effect the next time the program is linked.
+*/
+void QGLShaderProgram::setGeometryOutputVertexCount(int count)
+{
+#ifndef QT_NO_DEBUG
+    int max = maxGeometryOutputVertices();
+    if (count > max) {
+        qWarning("QGLShaderProgram::setGeometryOutputVertexCount: count: %d higher than maximum: %d",
+                 count, max);
+    }
+#endif
+    d_func()->geometryVertexCount = count;
+}
+
+
+/*!
+    Returns the maximum number of vertices the current geometry shader
+    program will produce, if active.
+
+    \since 4.7
+
+    This parameter takes effect the ntext time the program is linked.
+*/
+int QGLShaderProgram::geometryOutputVertexCount() const
+{
+    return d_func()->geometryVertexCount;
+}
+
+
+/*!
+    Sets the output type from the geometry shader, if active.
+
+    This parameter takes effect the next time the program is linked.
+*/
+void QGLShaderProgram::setGeometryInputType(GLenum inputType)
+{
+    d_func()->geometryInputType = inputType;
+}
+
+
+/*!
+    Returns the geometry shader input type, if active.
+
+    This parameter takes effect the next time the program is linked.
+
+    \since 4.7
+ */
+
+GLenum QGLShaderProgram::geometryInputType() const
+{
+    return d_func()->geometryInputType;
+}
+
+
+/*!
+    Sets the output type from the geometry shader, if active.
+
+    This parameter takes effect the next time the program is linked.
+
+    \since 4.7
+*/
+void QGLShaderProgram::setGeometryOutputType(GLenum outputType)
+{
+    d_func()->geometryOutputType = outputType;
+}
+
+
+/*!
+    Returns the geometry shader output type, if active.
+
+    This parameter takes effect the next time the program is linked.
+
+    \since 4.7
+ */
+GLenum QGLShaderProgram::geometryOutputType() const
+{
+    return d_func()->geometryOutputType;
+}
+
+
+/*!
     Returns true if shader programs written in the OpenGL Shading
     Language (GLSL) are supported on this system; false otherwise.
 
@@ -2893,8 +3211,71 @@ void QGLShaderProgram::shaderDestroyed()
         removeShader(shader);
 }
 
+
+#undef ctx
+#undef context
+
+/*!
+    Returns true if shader programs of type \a type are supported on
+    this system; false otherwise.
+
+    The \a context is used to resolve the GLSL extensions.
+    If \a context is null, then QGLContext::currentContext() is used.
+
+    \since 4.7
+*/
+bool QGLShader::hasOpenGLShaders(ShaderType type, const QGLContext *context)
+{
+    if (!context)
+        context = QGLContext::currentContext();
+    if (!context)
+        return false;
+
+    if ((type & ~(Geometry | Vertex | Fragment)) || type == 0)
+        return false;
+
+    bool resolved = qt_resolve_glsl_extensions(const_cast<QGLContext *>(context));
+    if (!resolved)
+        return false;
+
+    if ((type & Geometry) && !QByteArray((const char *) glGetString(GL_EXTENSIONS)).contains("GL_EXT_geometry_shader4"))
+        return false;
+
+    return true;
+}
+
+
+
 #ifdef Q_MAC_COMPAT_GL_FUNCTIONS
 /*! \internal */
+void QGLShaderProgram::setAttributeArray
+    (int location, QMacCompatGLenum type, const void *values, int tupleSize, int stride)
+{
+    setAttributeArray(location, GLenum(type), values, tupleSize, stride);
+}
+
+/*! \internal */
+void QGLShaderProgram::setAttributeArray
+    (const char *name, QMacCompatGLenum type, const void *values, int tupleSize, int stride)
+{
+    setAttributeArray(name, GLenum(type), values, tupleSize, stride);
+}
+
+/*! \internal */
+void QGLShaderProgram::setAttributeBuffer
+    (int location, QMacCompatGLenum type, int offset, int tupleSize, int stride)
+{
+    setAttributeBuffer(location, GLenum(type), offset, tupleSize, stride);
+}
+
+/*! \internal */
+void QGLShaderProgram::setAttributeBuffer
+    (const char *name, QMacCompatGLenum type, int offset, int tupleSize, int stride)
+{
+    setAttributeBuffer(name, GLenum(type), offset, tupleSize, stride);
+}
+
+/*! \internal */
 void QGLShaderProgram::setUniformValue(int location, QMacCompatGLint value)
 {
     setUniformValue(location, GLint(value));
@@ -2943,6 +3324,6 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMacCompatGL
 }
 #endif
 
-#endif // !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
+#endif // !defined(QT_OPENGL_ES_1)
 
 QT_END_NAMESPACE
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index 24ab986843..d612b05ce2 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -54,7 +54,7 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(OpenGL)
 
-#if !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
+#if !defined(QT_OPENGL_ES_1)
 
 class QGLShaderProgram;
 class QGLShaderPrivate;
@@ -66,7 +66,8 @@ public:
     enum ShaderTypeBit
     {
         Vertex          = 0x0001,
-        Fragment        = 0x0002
+        Fragment        = 0x0002,
+        Geometry        = 0x0004
     };
     Q_DECLARE_FLAGS(ShaderType, ShaderTypeBit)
 
@@ -88,6 +89,8 @@ public:
 
     GLuint shaderId() const;
 
+    static bool hasOpenGLShaders(ShaderType type, const QGLContext *context = 0);
+
 private:
     friend class QGLShaderProgram;
 
@@ -100,6 +103,14 @@ Q_DECLARE_OPERATORS_FOR_FLAGS(QGLShader::ShaderType)
 
 class QGLShaderProgramPrivate;
 
+#ifndef GL_EXT_geometry_shader4
+#  define GL_LINES_ADJACENCY_EXT 0xA
+#  define GL_LINE_STRIP_ADJACENCY_EXT 0xB
+#  define GL_TRIANGLES_ADJACENCY_EXT 0xC
+#  define GL_TRIANGLE_STRIP_ADJACENCY_EXT 0xD
+#endif
+
+
 class Q_OPENGL_EXPORT QGLShaderProgram : public QObject
 {
     Q_OBJECT
@@ -128,6 +139,17 @@ public:
 
     GLuint programId() const;
 
+    int maxGeometryOutputVertices() const;
+
+    void setGeometryOutputVertexCount(int count);
+    int geometryOutputVertexCount() const;
+
+    void setGeometryInputType(GLenum inputType);
+    GLenum geometryInputType() const;
+
+    void setGeometryOutputType(GLenum outputType);
+    GLenum geometryOutputType() const;
+
     void bindAttributeLocation(const char *name, int location);
     void bindAttributeLocation(const QByteArray& name, int location);
     void bindAttributeLocation(const QString& name, int location);
@@ -165,6 +187,8 @@ public:
     void setAttributeArray
         (int location, const QVector4D *values, int stride = 0);
     void setAttributeArray
+        (int location, GLenum type, const void *values, int tupleSize, int stride = 0);
+    void setAttributeArray
         (const char *name, const GLfloat *values, int tupleSize, int stride = 0);
     void setAttributeArray
         (const char *name, const QVector2D *values, int stride = 0);
@@ -172,6 +196,24 @@ public:
         (const char *name, const QVector3D *values, int stride = 0);
     void setAttributeArray
         (const char *name, const QVector4D *values, int stride = 0);
+    void setAttributeArray
+        (const char *name, GLenum type, const void *values, int tupleSize, int stride = 0);
+
+    void setAttributeBuffer
+        (int location, GLenum type, int offset, int tupleSize, int stride = 0);
+    void setAttributeBuffer
+        (const char *name, GLenum type, int offset, int tupleSize, int stride = 0);
+
+#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
+    void setAttributeArray
+        (int location, QMacCompatGLenum type, const void *values, int tupleSize, int stride = 0);
+    void setAttributeArray
+        (const char *name, QMacCompatGLenum type, const void *values, int tupleSize, int stride = 0);
+    void setAttributeBuffer
+        (int location, QMacCompatGLenum type, int offset, int tupleSize, int stride = 0);
+    void setAttributeBuffer
+        (const char *name, QMacCompatGLenum type, int offset, int tupleSize, int stride = 0);
+#endif
 
     void enableAttributeArray(int location);
     void enableAttributeArray(const char *name);
@@ -216,6 +258,8 @@ public:
     void setUniformValue(int location, const QMatrix4x2& value);
     void setUniformValue(int location, const QMatrix4x3& value);
     void setUniformValue(int location, const QMatrix4x4& value);
+    void setUniformValue(int location, const GLfloat value[2][2]);
+    void setUniformValue(int location, const GLfloat value[3][3]);
     void setUniformValue(int location, const GLfloat value[4][4]);
     void setUniformValue(int location, const QTransform& value);
 
@@ -242,6 +286,8 @@ public:
     void setUniformValue(const char *name, const QMatrix4x2& value);
     void setUniformValue(const char *name, const QMatrix4x3& value);
     void setUniformValue(const char *name, const QMatrix4x4& value);
+    void setUniformValue(const char *name, const GLfloat value[2][2]);
+    void setUniformValue(const char *name, const GLfloat value[3][3]);
     void setUniformValue(const char *name, const GLfloat value[4][4]);
     void setUniformValue(const char *name, const QTransform& value);
 
diff --git a/src/opengl/qgraphicsshadereffect.cpp b/src/opengl/qgraphicsshadereffect.cpp
index dddc85d882..f53ef5418b 100644
--- a/src/opengl/qgraphicsshadereffect.cpp
+++ b/src/opengl/qgraphicsshadereffect.cpp
@@ -40,7 +40,7 @@
 ****************************************************************************/
 
 #include "qgraphicsshadereffect_p.h"
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include "qglshaderprogram.h"
 #include "gl2paintengineex/qglcustomshaderstage_p.h"
 #define QGL_HAVE_CUSTOM_SHADERS 1
diff --git a/src/opengl/qpaintengine_opengl.cpp b/src/opengl/qpaintengine_opengl.cpp
index a2f085c931..c8307a09e2 100644
--- a/src/opengl/qpaintengine_opengl.cpp
+++ b/src/opengl/qpaintengine_opengl.cpp
@@ -72,10 +72,6 @@
 #include "private/qwsmanager_p.h"
 #endif
 
-#ifdef QT_OPENGL_ES_1_CL
-#include "qgl_cl_p.h"
-#endif
-
 #define QGL_FUNC_CONTEXT QGLContext *ctx = const_cast<QGLContext *>(device->context());
 
 #include <stdlib.h>
@@ -781,7 +777,7 @@ public:
     void drawOffscreenPath(const QPainterPath &path);
 
     void composite(const QRectF &rect, const QPoint &maskOffset = QPoint());
-    void composite(GLuint primitive, const q_vertexType *vertexArray, int vertexCount, const QPoint &maskOffset = QPoint());
+    void composite(GLuint primitive, const GLfloat *vertexArray, int vertexCount, const QPoint &maskOffset = QPoint());
 
     bool createFragmentPrograms();
     void deleteFragmentPrograms();
@@ -1788,7 +1784,7 @@ class QOpenGLTrapezoidToArrayTessellator : public QOpenGLTessellator
 public:
     QOpenGLTrapezoidToArrayTessellator() : vertices(0), allocated(0), size(0) {}
     ~QOpenGLTrapezoidToArrayTessellator() { free(vertices); }
-    q_vertexType *vertices;
+    GLfloat *vertices;
     int allocated;
     int size;
     QRectF bounds;
@@ -1809,36 +1805,36 @@ void QOpenGLTrapezoidToArrayTessellator::addTrap(const Trapezoid &trap)
     if (size > allocated - 12) {
 #endif
         allocated = qMax(2*allocated, 512);
-        vertices = (q_vertexType *)realloc(vertices, allocated * sizeof(q_vertexType));
+        vertices = (GLfloat *)realloc(vertices, allocated * sizeof(GLfloat));
     }
 
     QGLTrapezoid t = toGLTrapezoid(trap);
 
 #ifndef QT_OPENGL_ES
-    vertices[size++] = f2vt(t.topLeftX);
-    vertices[size++] = f2vt(t.top);
-    vertices[size++] = f2vt(t.topRightX);
-    vertices[size++] = f2vt(t.top);
-    vertices[size++] = f2vt(t.bottomRightX);
-    vertices[size++] = f2vt(t.bottom);
-    vertices[size++] = f2vt(t.bottomLeftX);
-    vertices[size++] = f2vt(t.bottom);
+    vertices[size++] = t.topLeftX;
+    vertices[size++] = t.top;
+    vertices[size++] = t.topRightX;
+    vertices[size++] = t.top;
+    vertices[size++] = t.bottomRightX;
+    vertices[size++] = t.bottom;
+    vertices[size++] = t.bottomLeftX;
+    vertices[size++] = t.bottom;
 #else
     // First triangle
-    vertices[size++] = f2vt(t.topLeftX);
-    vertices[size++] = f2vt(t.top);
-    vertices[size++] = f2vt(t.topRightX);
-    vertices[size++] = f2vt(t.top);
-    vertices[size++] = f2vt(t.bottomRightX);
-    vertices[size++] = f2vt(t.bottom);
+    vertices[size++] = t.topLeftX;
+    vertices[size++] = t.top;
+    vertices[size++] = t.topRightX;
+    vertices[size++] = t.top;
+    vertices[size++] = t.bottomRightX;
+    vertices[size++] = t.bottom;
 
     // Second triangle
-    vertices[size++] = f2vt(t.bottomLeftX);
-    vertices[size++] = f2vt(t.bottom);
-    vertices[size++] = f2vt(t.topLeftX);
-    vertices[size++] = f2vt(t.top);
-    vertices[size++] = f2vt(t.bottomRightX);
-    vertices[size++] = f2vt(t.bottom);
+    vertices[size++] = t.bottomLeftX;
+    vertices[size++] = t.bottom;
+    vertices[size++] = t.topLeftX;
+    vertices[size++] = t.top;
+    vertices[size++] = t.bottomRightX;
+    vertices[size++] = t.bottom;
 #endif
 }
 
@@ -1865,7 +1861,7 @@ void QOpenGLPaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, in
     if (use_fragment_programs && !(fast_style && has_fast_composition_mode)) {
         composite(geometry_mode, tessellator.vertices, tessellator.size / 2);
     } else {
-        glVertexPointer(2, q_vertexTypeEnum, 0, tessellator.vertices);
+        glVertexPointer(2, GL_FLOAT, 0, tessellator.vertices);
         glEnableClientState(GL_VERTEX_ARRAY);
         glDrawArrays(geometry_mode, 0, tessellator.size/2);
         glDisableClientState(GL_VERTEX_ARRAY);
@@ -2266,7 +2262,7 @@ void QOpenGLPaintEnginePrivate::updateDepthClip()
         return;
     }
 
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_2)
     glClearDepthf(0.0f);
 #else
     glClearDepth(0.0f);
@@ -2282,12 +2278,12 @@ void QOpenGLPaintEnginePrivate::updateDepthClip()
     const QVector<QRect> rects = q->state()->clipEnabled ? q->state()->clipRegion.rects() : q->systemClip().rects();
 
     // rectangle count * 2 (triangles) * vertex count * component count (Z omitted)
-    QDataBuffer<q_vertexType> clipVertex(rects.size()*2*3*2);
+    QDataBuffer<GLfloat> clipVertex(rects.size()*2*3*2);
     for (int i = 0; i < rects.size(); ++i) {
-        q_vertexType x = i2vt(rects.at(i).left());
-        q_vertexType w = i2vt(rects.at(i).width());
-        q_vertexType h = i2vt(rects.at(i).height());
-        q_vertexType y = i2vt(rects.at(i).top());
+        GLfloat x = GLfloat(rects.at(i).left());
+        GLfloat w = GLfloat(rects.at(i).width());
+        GLfloat h = GLfloat(rects.at(i).height());
+        GLfloat y = GLfloat(rects.at(i).top());
 
         // First triangle
         clipVertex.add(x);
@@ -2315,7 +2311,7 @@ void QOpenGLPaintEnginePrivate::updateDepthClip()
         glLoadIdentity();
 
         glEnableClientState(GL_VERTEX_ARRAY);
-        glVertexPointer(2, q_vertexTypeEnum, 0, clipVertex.data());
+        glVertexPointer(2, GL_FLOAT, 0, clipVertex.data());
 
         glDrawArrays(GL_TRIANGLES, 0, rects.size()*2*3);
         glDisableClientState(GL_VERTEX_ARRAY);
@@ -3107,8 +3103,8 @@ QGLTrapezoidMaskGenerator::QGLTrapezoidMaskGenerator(const QPainterPath &path, c
 {
 }
 
-extern void qt_add_rect_to_array(const QRectF &r, q_vertexType *array);
-extern void qt_add_texcoords_to_array(qreal x1, qreal y1, qreal x2, qreal y2, q_vertexType *array);
+extern void qt_add_rect_to_array(const QRectF &r, GLfloat *array);
+extern void qt_add_texcoords_to_array(qreal x1, qreal y1, qreal x2, qreal y2, GLfloat *array);
 
 void QGLTrapezoidMaskGenerator::drawMask(const QRect &rect)
 {
@@ -3139,7 +3135,7 @@ void QGLTrapezoidMaskGenerator::drawMask(const QRect &rect)
 
     // clear mask
     glBlendFunc(GL_ZERO, GL_ZERO); // clear
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
     glEnableClientState(GL_VERTEX_ARRAY);
     glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
     glDisableClientState(GL_VERTEX_ARRAY);
@@ -3370,7 +3366,7 @@ void QGLEllipseMaskGenerator::drawMask(const QRect &rect)
     glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, maskVariableLocations[VAR_ELLIPSE_OFFSET], ellipse_offset);
 
     glEnableClientState(GL_VERTEX_ARRAY);
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
     glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
     glDisableClientState(GL_VERTEX_ARRAY);
     glDisable(GL_FRAGMENT_PROGRAM_ARB);
@@ -3400,7 +3396,7 @@ void QOpenGLPaintEnginePrivate::drawFastRect(const QRectF &r)
     Q_Q(QOpenGLPaintEngine);
     DEBUG_ONCE_STR("QOpenGLPaintEngine::drawRects(): drawing fast rect");
 
-    q_vertexType vertexArray[10];
+    GLfloat vertexArray[10];
     qt_add_rect_to_array(r, vertexArray);
 
     if (has_pen)
@@ -3421,7 +3417,7 @@ void QOpenGLPaintEnginePrivate::drawFastRect(const QRectF &r)
 
         if (fast_style && has_fast_composition_mode) {
             glEnableClientState(GL_VERTEX_ARRAY);
-            glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+            glVertexPointer(2, GL_FLOAT, 0, vertexArray);
             glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
             glDisableClientState(GL_VERTEX_ARRAY);
         } else {
@@ -3440,7 +3436,7 @@ void QOpenGLPaintEnginePrivate::drawFastRect(const QRectF &r)
             vertexArray[8] = vertexArray[0];
             vertexArray[9] = vertexArray[1];
 
-            glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+            glVertexPointer(2, GL_FLOAT, 0, vertexArray);
             glEnableClientState(GL_VERTEX_ARRAY);
             glDrawArrays(GL_LINE_STRIP, 0, 5);
             glDisableClientState(GL_VERTEX_ARRAY);
@@ -3547,7 +3543,7 @@ void QOpenGLPaintEngine::drawRects(const QRectF *rects, int rectCount)
     }
 }
 
-static void addQuadAsTriangle(q_vertexType *quad, q_vertexType *triangle)
+static void addQuadAsTriangle(GLfloat *quad, GLfloat *triangle)
 {
     triangle[0] = quad[0];
     triangle[1] = quad[1];
@@ -3608,7 +3604,7 @@ void QOpenGLPaintEngine::drawPoints(const QPointF *points, int pointCount)
     d->flushDrawQueue();
 
     if (d->has_fast_pen) {
-        QVarLengthArray<q_vertexType> vertexArray(6 * pointCount);
+        QVarLengthArray<GLfloat> vertexArray(6 * pointCount);
 
         glMatrixMode(GL_MODELVIEW);
         glPushMatrix();
@@ -3618,25 +3614,22 @@ void QOpenGLPaintEngine::drawPoints(const QPointF *points, int pointCount)
         for (int i = 0; i < pointCount; ++i) {
             QPointF mapped = d->matrix.map(points[i]);
 
-            qreal xf = qRound(mapped.x());
-            qreal yf = qRound(mapped.y());
-
-            q_vertexType x = f2vt(xf);
-            q_vertexType y = f2vt(yf);
+            GLfloat x = GLfloat(qRound(mapped.x()));
+            GLfloat y = GLfloat(qRound(mapped.y()));
 
             vertexArray[j++] = x;
-            vertexArray[j++] = y - f2vt(0.5);
+            vertexArray[j++] = y - 0.5f;
 
-            vertexArray[j++] = x + f2vt(1.5);
-            vertexArray[j++] = y + f2vt(1.0);
+            vertexArray[j++] = x + 1.5f;
+            vertexArray[j++] = y + 1.0f;
 
             vertexArray[j++] = x;
-            vertexArray[j++] = y + f2vt(1.0);
+            vertexArray[j++] = y + 1.0f;
         }
 
         glEnableClientState(GL_VERTEX_ARRAY);
 
-        glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray.constData());
+        glVertexPointer(2, GL_FLOAT, 0, vertexArray.constData());
         glDrawArrays(GL_TRIANGLES, 0, pointCount*3);
 
         glDisableClientState(GL_VERTEX_ARRAY);
@@ -3653,7 +3646,7 @@ void QOpenGLPaintEngine::drawPoints(const QPointF *points, int pointCount)
     }
     else {
         Q_ASSERT(sizeof(QPointF) == 8);
-        glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+        glVertexPointer(2, GL_FLOAT, 0, vertexArray);
     }
 
     glEnableClientState(GL_VERTEX_ARRAY);
@@ -3721,47 +3714,47 @@ void QOpenGLPaintEngine::drawLines(const QLineF *lines, int lineCount)
                 }
             }
 
-            q_vertexType endCap = f2vt(d->cpen.capStyle() == Qt::FlatCap ? 0 : 0.5);
+            GLfloat endCap = d->cpen.capStyle() == Qt::FlatCap ? 0.0f : 0.5f;
             if (useRects) {
-                QVarLengthArray<q_vertexType> vertexArray(12 * lineCount);
+                QVarLengthArray<GLfloat> vertexArray(12 * lineCount);
 
-                q_vertexType quad[8];
+                GLfloat quad[8];
                 for (int i = 0; i < lineCount; ++i) {
-                    q_vertexType x1 = f2vt(lines[i].x1());
-                    q_vertexType x2 = f2vt(lines[i].x2());
-                    q_vertexType y1 = f2vt(lines[i].y1());
-                    q_vertexType y2 = f2vt(lines[i].y2());
+                    GLfloat x1 = lines[i].x1();
+                    GLfloat x2 = lines[i].x2();
+                    GLfloat y1 = lines[i].y1();
+                    GLfloat y2 = lines[i].y2();
 
                     if (x1 == x2) {
                         if (y1 > y2)
                             qSwap(y1, y2);
 
-                        quad[0] = x1 - f2vt(0.5);
+                        quad[0] = x1 - 0.5f;
                         quad[1] = y1 - endCap;
 
-                        quad[2] = x1 + f2vt(0.5);
+                        quad[2] = x1 + 0.5f;
                         quad[3] = y1 - endCap;
 
-                        quad[4] = x1 + f2vt(0.5);
+                        quad[4] = x1 + 0.5f;
                         quad[5] = y2 + endCap;
 
-                        quad[6] = x1 - f2vt(0.5);
+                        quad[6] = x1 - 0.5f;
                         quad[7] = y2 + endCap;
                     } else {
                         if (x1 > x2)
                             qSwap(x1, x2);
 
                         quad[0] = x1 - endCap;
-                        quad[1] = y1 + f2vt(0.5);
+                        quad[1] = y1 + 0.5f;
 
                         quad[2] = x1 - endCap;
-                        quad[3] = y1 - f2vt(0.5);
+                        quad[3] = y1 - 0.5f;
 
                         quad[4] = x2 + endCap;
-                        quad[5] = y1 - f2vt(0.5);
+                        quad[5] = y1 - 0.5f;
 
                         quad[6] = x2 + endCap;
-                        quad[7] = y1 + f2vt(0.5);
+                        quad[7] = y1 + 0.5f;
                     }
 
                     addQuadAsTriangle(quad, &vertexArray[12*i]);
@@ -3769,26 +3762,26 @@ void QOpenGLPaintEngine::drawLines(const QLineF *lines, int lineCount)
 
                 glEnableClientState(GL_VERTEX_ARRAY);
 
-                glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray.constData());
+                glVertexPointer(2, GL_FLOAT, 0, vertexArray.constData());
                 glDrawArrays(GL_TRIANGLES, 0, lineCount*6);
 
                 glDisableClientState(GL_VERTEX_ARRAY);
             } else {
-                QVarLengthArray<q_vertexType> vertexArray(4 * lineCount);
+                QVarLengthArray<GLfloat> vertexArray(4 * lineCount);
                 for (int i = 0; i < lineCount; ++i) {
                     const QPointF a = lines[i].p1();
-                    vertexArray[4*i]   = f2vt(lines[i].x1());
-                    vertexArray[4*i+1] = f2vt(lines[i].y1());
-                    vertexArray[4*i+2] = f2vt(lines[i].x2());
-                    vertexArray[4*i+3] = f2vt(lines[i].y2());
+                    vertexArray[4*i]   = lines[i].x1();
+                    vertexArray[4*i+1] = lines[i].y1();
+                    vertexArray[4*i+2] = lines[i].x2();
+                    vertexArray[4*i+3] = lines[i].y2();
                 }
 
                 glEnableClientState(GL_VERTEX_ARRAY);
 
-                glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray.constData());
+                glVertexPointer(2, GL_FLOAT, 0, vertexArray.constData());
                 glDrawArrays(GL_LINES, 0, lineCount*2);
 
-                glVertexPointer(2, q_vertexTypeEnum, 4*sizeof(q_vertexType), vertexArray.constData() + 2);
+                glVertexPointer(2, GL_FLOAT, 4*sizeof(GLfloat), vertexArray.constData() + 2);
                 glDrawArrays(GL_POINTS, 0, lineCount);
 
                 glDisableClientState(GL_VERTEX_ARRAY);
@@ -3875,7 +3868,7 @@ void QOpenGLPaintEngine::drawPolygon(const QPointF *points, int pointCount, Poly
             }
             else {
                 Q_ASSERT(sizeof(QPointF) == 8);
-                glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+                glVertexPointer(2, GL_FLOAT, 0, vertexArray);
             }
 
             glEnableClientState(GL_VERTEX_ARRAY);
@@ -3894,12 +3887,12 @@ void QOpenGLPaintEngine::drawPolygon(const QPointF *points, int pointCount, Poly
     if (d->has_pen) {
         if (d->has_fast_pen && !d->high_quality_antialiasing) {
             d->setGradientOps(d->cpen.brush(), bounds);
-            QVarLengthArray<q_vertexType> vertexArray(pointCount*2 + 2);
-            glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray.constData());
+            QVarLengthArray<GLfloat> vertexArray(pointCount*2 + 2);
+            glVertexPointer(2, GL_FLOAT, 0, vertexArray.constData());
             int i;
             for (i=0; i<pointCount; ++i) {
-                vertexArray[i*2] = f2vt(points[i].x());
-                vertexArray[i*2+1] = f2vt(points[i].y());
+                vertexArray[i*2] = points[i].x();
+                vertexArray[i*2+1] = points[i].y();
             }
 
             glEnableClientState(GL_VERTEX_ARRAY);
@@ -4075,7 +4068,7 @@ void QOpenGLPaintEnginePrivate::strokePathFastPen(const QPainterPath &path, bool
         switch (e.type) {
         case QPainterPath::MoveToElement:
             if (i != 0) {
-                glVertexPointer(2, q_vertexTypeEnum, 0, tess_points.data());
+                glVertexPointer(2, GL_FLOAT, 0, tess_points.data());
                 glDrawArrays(GL_LINE_STRIP, 0, tess_points.size());
                 tess_points.reset();
             }
@@ -4125,7 +4118,7 @@ void QOpenGLPaintEnginePrivate::strokePathFastPen(const QPainterPath &path, bool
             break;
         } // end of switch
     }
-    glVertexPointer(2, q_vertexTypeEnum, 0, tess_points.data());
+    glVertexPointer(2, GL_FLOAT, 0, tess_points.data());
     glDrawArrays(GL_LINE_STRIP, 0, tess_points.size());
     glDisableClientState(GL_VERTEX_ARRAY);
 #endif
@@ -4392,8 +4385,8 @@ void QOpenGLPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, con
             glRotatef(180.0, 0.0, 0.0, 1.0);
         }
 
-        q_vertexType vertexArray[4*2];
-        q_vertexType texCoordArray[4*2];
+        GLfloat vertexArray[4*2];
+        GLfloat texCoordArray[4*2];
 
         double offset_x = offset.x() / pm.width();
         double offset_y = offset.y() / pm.height();
@@ -4402,8 +4395,8 @@ void QOpenGLPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, con
         qt_add_texcoords_to_array(offset_x, offset_y,
                                   tc_w + offset_x, tc_h + offset_y, texCoordArray);
 
-        glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
-        glTexCoordPointer(2, q_vertexTypeEnum, 0, texCoordArray);
+        glVertexPointer(2, GL_FLOAT, 0, vertexArray);
+        glTexCoordPointer(2, GL_FLOAT, 0, texCoordArray);
 
         glEnableClientState(GL_VERTEX_ARRAY);
         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -4484,14 +4477,14 @@ void QOpenGLPaintEngine::drawTextureRect(int tx_width, int tx_height, const QRec
         y2 = sr.y();
     }
 
-    q_vertexType vertexArray[4*2];
-    q_vertexType texCoordArray[4*2];
+    GLfloat vertexArray[4*2];
+    GLfloat texCoordArray[4*2];
 
     qt_add_rect_to_array(r, vertexArray);
     qt_add_texcoords_to_array(x1, y2, x2, y1, texCoordArray);
 
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
-    glTexCoordPointer(2, q_vertexTypeEnum, 0, texCoordArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoordArray);
 
     glEnableClientState(GL_VERTEX_ARRAY);
     glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -4929,11 +4922,11 @@ void QOpenGLPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
 #endif
 
     // do the actual drawing
-    q_vertexType vertexArray[4*2];
-    q_vertexType texCoordArray[4*2];
+    GLfloat vertexArray[4*2];
+    GLfloat texCoordArray[4*2];
 
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
-    glTexCoordPointer(2, q_vertexTypeEnum, 0, texCoordArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoordArray);
 
     glEnableClientState(GL_VERTEX_ARRAY);
     glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -5180,7 +5173,7 @@ void QOpenGLPaintEnginePrivate::composite(const QRectF &rect, const QPoint &mask
     Q_UNUSED(rect);
     Q_UNUSED(maskOffset);
 #else
-    q_vertexType vertexArray[8];
+    GLfloat vertexArray[8];
     qt_add_rect_to_array(rect, vertexArray);
 
     composite(GL_TRIANGLE_FAN, vertexArray, 4, maskOffset);
@@ -5188,7 +5181,7 @@ void QOpenGLPaintEnginePrivate::composite(const QRectF &rect, const QPoint &mask
 }
 
 
-void QOpenGLPaintEnginePrivate::composite(GLuint primitive, const q_vertexType *vertexArray, int vertexCount, const QPoint &maskOffset)
+void QOpenGLPaintEnginePrivate::composite(GLuint primitive, const GLfloat *vertexArray, int vertexCount, const QPoint &maskOffset)
 {
 #ifdef QT_OPENGL_ES
     Q_UNUSED(primitive);
@@ -5211,8 +5204,8 @@ void QOpenGLPaintEnginePrivate::composite(GLuint primitive, const q_vertexType *
         qreal minX = 1e9, minY = 1e9, maxX = -1e9, maxY = -1e9;
 
         for (int i = 0; i < vertexCount; ++i) {
-            qreal x = vt2f(vertexArray[2 * i]);
-            qreal y = vt2f(vertexArray[2 * i + 1]);
+            qreal x = vertexArray[2 * i];
+            qreal y = vertexArray[2 * i + 1];
 
             qreal tx, ty;
             matrix.map(x, y, &tx, &ty);
@@ -5271,7 +5264,7 @@ void QOpenGLPaintEnginePrivate::composite(GLuint primitive, const q_vertexType *
     }
 
     glEnableClientState(GL_VERTEX_ARRAY);
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
     glEnable(GL_FRAGMENT_PROGRAM_ARB);
     GLuint program = qt_gl_program_cache()->getProgram(device->context(),
                                                        fragment_brush,
diff --git a/src/opengl/qpixmapdata_x11gl_egl.cpp b/src/opengl/qpixmapdata_x11gl_egl.cpp
index 55aa1d005a..edce56a210 100644
--- a/src/opengl/qpixmapdata_x11gl_egl.cpp
+++ b/src/opengl/qpixmapdata_x11gl_egl.cpp
@@ -45,7 +45,7 @@
 #include <private/qegl_p.h>
 #include <private/qeglproperties_p.h>
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 #include <private/qpaintengineex_opengl2_p.h>
 #endif
 
@@ -196,7 +196,7 @@ QX11GLPixmapData::~QX11GLPixmapData()
 {
 }
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
 Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_pixmap_2_engine)
 #endif
 
@@ -220,7 +220,7 @@ QPaintEngine* QX11GLPixmapData::paintEngine() const
 
     QPaintEngine* engine;
 
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1)
     engine = qt_gl_pixmap_engine();
 #elif defined(QT_OPENGL_ES_2)
     engine = qt_gl_pixmap_2_engine();
@@ -237,7 +237,7 @@ QPaintEngine* QX11GLPixmapData::paintEngine() const
     if (engine->isActive()) {
         qWarning("Pixmap paint engine already active");
 
-#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
+#if defined(QT_OPENGL_ES_1)
         engine = new QOpenGLPaintEngine;
 #elif defined(QT_OPENGL_ES_2)
         engine = new QGL2PaintEngineEx;
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 7a565e68d7..4ac4a3aa09 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -82,10 +82,6 @@
 #define GLX_SAMPLES_ARB         100001
 #endif
 
-#ifdef QT_OPENGL_ES_1_CL
-#include "qgl_cl_p.h"
-#endif
-
 #ifdef QT_OPENGL_ES
 #include <private/qegl_p.h>
 #endif
@@ -838,22 +834,22 @@ static void drawTexture(const QRectF &rect, GLuint tex_id, const QSize &texSize,
         src.setBottom(src.bottom() / height);
     }
 
-    const q_vertexType tx1 = f2vt(src.left());
-    const q_vertexType tx2 = f2vt(src.right());
-    const q_vertexType ty1 = f2vt(src.top());
-    const q_vertexType ty2 = f2vt(src.bottom());
+    const GLfloat tx1 = src.left();
+    const GLfloat tx2 = src.right();
+    const GLfloat ty1 = src.top();
+    const GLfloat ty2 = src.bottom();
 
-    q_vertexType texCoordArray[4*2] = {
+    GLfloat texCoordArray[4*2] = {
         tx1, ty2, tx2, ty2, tx2, ty1, tx1, ty1
     };
 
-    q_vertexType vertexArray[4*2];
-    extern void qt_add_rect_to_array(const QRectF &r, q_vertexType *array); // qpaintengine_opengl.cpp
+    GLfloat vertexArray[4*2];
+    extern void qt_add_rect_to_array(const QRectF &r, GLfloat *array); // qpaintengine_opengl.cpp
     qt_add_rect_to_array(rect, vertexArray);
 
 #if !defined(QT_OPENGL_ES_2)
-    glVertexPointer(2, q_vertexTypeEnum, 0, vertexArray);
-    glTexCoordPointer(2, q_vertexTypeEnum, 0, texCoordArray);
+    glVertexPointer(2, GL_FLOAT, 0, vertexArray);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoordArray);
 
     glBindTexture(target, tex_id);
     glEnable(target);
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 41772d1ecd..62f0293fd9 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -979,7 +979,7 @@ static QImage colorizeBitmap(const QImage &image, const QColor &color)
     int height = sourceImage.height();
     int width = sourceImage.width();
     for (int y=0; y<height; ++y) {
-        uchar *source = sourceImage.scanLine(y);
+        const uchar *source = sourceImage.constScanLine(y);
         QRgb *target = reinterpret_cast<QRgb *>(dest.scanLine(y));
         for (int x=0; x < width; ++x)
             target[x] = (source[x>>3] >> (x&7)) & 1 ? fg : bg;
@@ -987,9 +987,6 @@ static QImage colorizeBitmap(const QImage &image, const QColor &color)
     return dest;
 }
 
-// defined in qpixmapdata_vg.cpp.
-const uchar *qt_vg_imageBits(const QImage& image);
-
 static VGImage toVGImage
     (const QImage & image, Qt::ImageConversionFlags flags = Qt::AutoColor)
 {
@@ -1023,7 +1020,7 @@ static VGImage toVGImage
         break;
     }
 
-    const uchar *pixels = qt_vg_imageBits(img);
+    const uchar *pixels = img.constBits();
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (format, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -1067,7 +1064,7 @@ static VGImage toVGImageSubRect
         break;
     }
 
-    const uchar *pixels = qt_vg_imageBits(img) + bpp * sr.x() +
+    const uchar *pixels = img.constBits() + bpp * sr.x() +
                           img.bytesPerLine() * sr.y();
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
@@ -1089,7 +1086,7 @@ static VGImage toVGImageWithOpacity(const QImage & image, qreal opacity)
     painter.drawImage(0, 0, image);
     painter.end();
 
-    const uchar *pixels = qt_vg_imageBits(img);
+    const uchar *pixels = img.constBits();
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -1111,7 +1108,7 @@ static VGImage toVGImageWithOpacitySubRect
     painter.drawImage(QPoint(0, 0), image, sr);
     painter.end();
 
-    const uchar *pixels = qt_vg_imageBits(img);
+    const uchar *pixels = img.constBits();
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -3225,15 +3222,15 @@ void QVGFontGlyphCache::cacheGlyphs(QVGPaintEnginePrivate *d,
         if (!scaledImage.isNull()) {  // Not a space character
             if (scaledImage.format() == QImage::Format_Indexed8) {
                 vgImage = vgCreateImage(VG_A_8, scaledImage.width(), scaledImage.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, qt_vg_imageBits(scaledImage), scaledImage.bytesPerLine(), VG_A_8, 0, 0, scaledImage.width(), scaledImage.height());
+                vgImageSubData(vgImage, scaledImage.constBits(), scaledImage.bytesPerLine(), VG_A_8, 0, 0, scaledImage.width(), scaledImage.height());
             } else if (scaledImage.format() == QImage::Format_Mono) {
                 QImage img = scaledImage.convertToFormat(QImage::Format_Indexed8);
                 vgImage = vgCreateImage(VG_A_8, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, qt_vg_imageBits(img), img.bytesPerLine(), VG_A_8, 0, 0, img.width(), img.height());
+                vgImageSubData(vgImage, img.constBits(), img.bytesPerLine(), VG_A_8, 0, 0, img.width(), img.height());
             } else {
                 QImage img = scaledImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
                 vgImage = vgCreateImage(VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, qt_vg_imageBits(img), img.bytesPerLine(), VG_sARGB_8888_PRE, 0, 0, img.width(), img.height());
+                vgImageSubData(vgImage, img.constBits(), img.bytesPerLine(), VG_sARGB_8888_PRE, 0, 0, img.width(), img.height());
             }
         }
         origin[0] = -metrics.x.toReal() + 0.5f;
@@ -3717,7 +3714,7 @@ void QVGCompositionHelper::drawCursorPixmap
         if (vgImage == VG_INVALID_HANDLE)
             return;
         vgImageSubData
-            (vgImage, qt_vg_imageBits(img) + img.bytesPerLine() * (img.height() - 1),
+            (vgImage, img.constBits() + img.bytesPerLine() * (img.height() - 1),
              -(img.bytesPerLine()), VG_sARGB_8888_PRE, 0, 0,
              img.width(), img.height());
 
diff --git a/src/openvg/qpixmapdata_vg.cpp b/src/openvg/qpixmapdata_vg.cpp
index 3087b779f1..44814cc016 100644
--- a/src/openvg/qpixmapdata_vg.cpp
+++ b/src/openvg/qpixmapdata_vg.cpp
@@ -231,14 +231,6 @@ QPaintEngine* QVGPixmapData::paintEngine() const
     return source.paintEngine();
 }
 
-// This function works around QImage::bits() making a deep copy if the
-// QImage is not const.  We force it to be const and then get the bits.
-// XXX: Should add a QImage::constBits() in the future to replace this.
-const uchar *qt_vg_imageBits(const QImage& image)
-{
-    return image.bits();
-}
-
 VGImage QVGPixmapData::toVGImage()
 {
     if (!isValid())
@@ -271,7 +263,7 @@ VGImage QVGPixmapData::toVGImage()
     if (!source.isNull() && recreate) {
         vgImageSubData
             (vgImage,
-             qt_vg_imageBits(source), source.bytesPerLine(),
+             source.constBits(), source.bytesPerLine(),
              VG_sARGB_8888_PRE, 0, 0, w, h);
     }
 
@@ -670,7 +662,7 @@ void* QVGPixmapData::toNativeType(NativeType type)
         if (bitmap) {
             if (bitmap->Create(TSize(source.width(), source.height()),
                               EColor16MAP) == KErrNone) {
-                const uchar *sptr = qt_vg_imageBits(source);
+                const uchar *sptr = source.constBits();
                 bitmap->BeginDataAccess();
 
                 uchar *dptr = (uchar*)bitmap->DataAddress();
diff --git a/src/plugins/accessible/widgets/qaccessiblewidgets.cpp b/src/plugins/accessible/widgets/qaccessiblewidgets.cpp
index ad33d0bd30..499eb1dd7f 100644
--- a/src/plugins/accessible/widgets/qaccessiblewidgets.cpp
+++ b/src/plugins/accessible/widgets/qaccessiblewidgets.cpp
@@ -176,7 +176,7 @@ static inline QWidget *mdiAreaNavigate(QWidget *area,
 
     int minimumDistance = INT_MAX;
     QWidget *target = 0;
-    foreach (QWidget *candidate, candidates.values()) {
+    foreach (QWidget *candidate, candidates) {
         switch (relation) {
         case QAccessible::Up:
         case QAccessible::Down:
diff --git a/src/plugins/graphicssystems/opengl/main.cpp b/src/plugins/graphicssystems/opengl/main.cpp
index 19631b6085..abcfb7f7dd 100644
--- a/src/plugins/graphicssystems/opengl/main.cpp
+++ b/src/plugins/graphicssystems/opengl/main.cpp
@@ -56,7 +56,7 @@ QStringList QGLGraphicsSystemPlugin::keys() const
 {
     QStringList list;
     list << QLatin1String("OpenGL") << QLatin1String("OpenGL1");
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
     list << QLatin1String("OpenGL2");
 #endif
     return list;
@@ -69,7 +69,7 @@ QGraphicsSystem* QGLGraphicsSystemPlugin::create(const QString& system)
         return new QGLGraphicsSystem;
     }
 
-#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+#if !defined(QT_OPENGL_ES_1)
     if (system.toLower() == QLatin1String("opengl2")) {
         QGL::setPreferredPaintEngine(QPaintEngine::OpenGL2);
         return new QGLGraphicsSystem;
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 6cb93ad2ac..4b4712c2d1 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
@@ -52,8 +52,6 @@
 #undef FAR
 #endif
 
-// hw: optimize smoothscaler for returning 24-bit images
-
 // including jpeglib.h seems to be a little messy
 extern "C" {
 // mingw includes rpcndr.h but does not define boolean
@@ -76,433 +74,6 @@ extern "C" {
 
 QT_BEGIN_NAMESPACE
 
-//#define QT_NO_IMAGE_SMOOTHSCALE
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
-class QImageSmoothScalerPrivate;
-class QImageSmoothScaler
-{
-public:
-    QImageSmoothScaler(const int w, const int h, const QImage &src);
-    QImageSmoothScaler(const int srcWidth, const int srcHeight,
-                       const int dstWidth, const int dstHeight);
-
-    virtual ~QImageSmoothScaler(void);
-
-    QImage  scale();
-
-private:
-    QImageSmoothScalerPrivate	*d;
-    virtual QRgb *scanLine(const int line = 0, const QImage *src = 0);
-};
-
-class QImageSmoothScalerPrivate
-{
-public:
-    int	    cols;
-    int	    newcols;
-    int	    rows;
-    int	    newrows;
-    bool    hasAlpha;
-
-    const QImage  *src;
-
-    void setup(const int srcWidth, const int srcHeight, const int dstWidth,
-               const int dstHeight, bool hasAlphaChannel);
-};
-
-QImageSmoothScaler::QImageSmoothScaler(const int w, const int h,
-                                       const QImage &src)
-{
-    d = new QImageSmoothScalerPrivate;
-
-    d->setup(src.width(), src.height(), w, h, src.hasAlphaChannel() );
-    this->d->src = &src;
-}
-
-QImageSmoothScaler::QImageSmoothScaler(const int srcWidth, const int srcHeight,
-                                       const int dstWidth, const int dstHeight)
-{
-    d = new QImageSmoothScalerPrivate;
-    d->setup(srcWidth, srcHeight, dstWidth, dstHeight, 0);
-}
-
-void QImageSmoothScalerPrivate::setup(const int srcWidth, const int srcHeight,
-                                      const int dstWidth, const int dstHeight,
-                                      bool hasAlphaChannel)
-{
-    cols = srcWidth;
-    rows = srcHeight;
-    newcols = dstWidth;
-    newrows = dstHeight;
-    hasAlpha = hasAlphaChannel;
-}
-
-QImageSmoothScaler::~QImageSmoothScaler()
-{
-    delete d;
-}
-
-inline QRgb *QImageSmoothScaler::scanLine(const int line, const QImage *src)
-{
-    return (QRgb*)src->scanLine(line);
-}
-
-/*
-  This function uses code based on pnmscale.c by Jef Poskanzer.
-
-  pnmscale.c - read a portable anymap and scale it
-
-  Copyright (C) 1989, 1991 by Jef Poskanzer.
-
-  Permission to use, copy, modify, and distribute this software and its
-  documentation for any purpose and without fee is hereby granted, provided
-  that the above copyright notice appear in all copies and that both that
-  copyright notice and this permission notice appear in supporting
-  documentation.  This software is provided "as is" without express or
-  implied warranty.
-*/
-
-QImage QImageSmoothScaler::scale()
-{
-    long SCALE;
-    long HALFSCALE;
-    QRgb *xelrow = 0;
-    QRgb *tempxelrow = 0;
-    QRgb *xP;
-    QRgb *nxP;
-    int row, rowsread;
-    int col, needtoreadrow;
-    uchar maxval = 255;
-    qreal xscale, yscale;
-    long sxscale, syscale;
-    long fracrowtofill, fracrowleft;
-    long *as;
-    long *rs;
-    long *gs;
-    long *bs;
-    int rowswritten = 0;
-    QImage dst;
-
-    if (d->cols > 4096) {
-        SCALE = 4096;
-        HALFSCALE = 2048;
-    } else {
-        int fac = 4096;
-        while (d->cols * fac > 4096)
-            fac /= 2;
-
-        SCALE = fac * d->cols;
-        HALFSCALE = fac * d->cols / 2;
-    }
-
-    xscale = (qreal)d->newcols / (qreal)d->cols;
-    yscale = (qreal)d->newrows / (qreal)d->rows;
-    sxscale = (long)(xscale * SCALE);
-    syscale = (long)(yscale * SCALE);
-
-    // shortcut Y scaling if possible
-    if (d->newrows != d->rows)
-        tempxelrow = new QRgb[d->cols];
-
-    if (d->hasAlpha) {
-        as = new long[d->cols];
-        for (col = 0; col < d->cols; ++col)
-            as[col] = HALFSCALE;
-    } else {
-        as = 0;
-    }
-    rs = new long[d->cols];
-    gs = new long[d->cols];
-    bs = new long[d->cols];
-    rowsread = 0;
-    fracrowleft = syscale;
-    needtoreadrow = 1;
-    for (col = 0; col < d->cols; ++col)
-        rs[col] = gs[col] = bs[col] = HALFSCALE;
-    fracrowtofill = SCALE;
-
-    dst = QImage(d->newcols, d->newrows, d->hasAlpha ? QImage::Format_ARGB32 : QImage::Format_RGB32);
-
-    for (row = 0; row < d->newrows; ++row) {
-        // First scale Y from xelrow into tempxelrow.
-        if (d->newrows == d->rows) {
-            // shortcut Y scaling if possible
-            tempxelrow = xelrow = scanLine(rowsread++, d->src);
-        } else {
-            while (fracrowleft < fracrowtofill) {
-                if (needtoreadrow && rowsread < d->rows)
-                    xelrow = scanLine(rowsread++, d->src);
-                for (col = 0, xP = xelrow; col < d->cols; ++col, ++xP) {
-                    if (as) {
-                        as[col] += fracrowleft * qAlpha(*xP);
-                        rs[col] += fracrowleft * qRed(*xP) * qAlpha(*xP) / 255;
-                        gs[col] += fracrowleft * qGreen(*xP) * qAlpha(*xP) / 255;
-                        bs[col] += fracrowleft * qBlue(*xP) * qAlpha(*xP) / 255;
-                    } else {
-                        rs[col] += fracrowleft * qRed(*xP);
-                        gs[col] += fracrowleft * qGreen(*xP);
-                        bs[col] += fracrowleft * qBlue(*xP);
-                    }
-                }
-                fracrowtofill -= fracrowleft;
-                fracrowleft = syscale;
-                needtoreadrow = 1;
-            }
-            // Now fracrowleft is >= fracrowtofill, so we can produce a row.
-            if (needtoreadrow && rowsread < d->rows) {
-                xelrow = scanLine(rowsread++, d->src);
-                needtoreadrow = 0;
-            }
-            for (col = 0, xP = xelrow, nxP = tempxelrow; col < d->cols; ++col, ++xP, ++nxP) {
-                register long a, r, g, b;
-
-                if (as) {
-                    r = rs[col] + fracrowtofill * qRed(*xP) * qAlpha(*xP) / 255;
-                    g = gs[col] + fracrowtofill * qGreen(*xP) * qAlpha(*xP) / 255;
-                    b = bs[col] + fracrowtofill * qBlue(*xP) * qAlpha(*xP) / 255;
-                    a = as[col] + fracrowtofill * qAlpha(*xP);
-                    if (a) {
-                        r = r * 255 / a * SCALE;
-                        g = g * 255 / a * SCALE;
-                        b = b * 255 / a * SCALE;
-                    }
-                } else {
-                    r = rs[col] + fracrowtofill * qRed(*xP);
-                    g = gs[col] + fracrowtofill * qGreen(*xP);
-                    b = bs[col] + fracrowtofill * qBlue(*xP);
-                    a = 0; // unwarn
-                }
-                r /= SCALE;
-                if (r > maxval)
-                    r = maxval;
-                g /= SCALE;
-                if (g > maxval)
-                    g = maxval;
-                b /= SCALE;
-                if (b > maxval)
-                    b = maxval;
-                if (as) {
-                    a /= SCALE;
-                    if (a > maxval)
-                        a = maxval;
-                    *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
-                    as[col] = HALFSCALE;
-                } else {
-                    *nxP = qRgb((int)r, (int)g, (int)b);
-                }
-                rs[col] = gs[col] = bs[col] = HALFSCALE;
-            }
-            fracrowleft -= fracrowtofill;
-            if (fracrowleft == 0) {
-                fracrowleft = syscale;
-                needtoreadrow = 1;
-            }
-            fracrowtofill = SCALE;
-        }
-
-        // Now scale X from tempxelrow into dst and write it out.
-        if (d->newcols == d->cols) {
-            // shortcut X scaling if possible
-            memcpy(dst.scanLine(rowswritten++), tempxelrow, d->newcols * 4);
-        } else {
-            register long a, r, g, b;
-            register long fraccoltofill, fraccolleft = 0;
-            register int needcol;
-
-            nxP = (QRgb *)dst.scanLine(rowswritten++);
-            QRgb *nxPEnd = nxP + d->newcols;
-            fraccoltofill = SCALE;
-            a = r = g = b = HALFSCALE;
-            needcol = 0;
-            for (col = 0, xP = tempxelrow; col < d->cols; ++col, ++xP) {
-                fraccolleft = sxscale;
-                while (fraccolleft >= fraccoltofill) {
-                    if (needcol) {
-                        ++nxP;
-                        a = r = g = b = HALFSCALE;
-                    }
-                    if (as) {
-                        r += fraccoltofill * qRed(*xP) * qAlpha(*xP) / 255;
-                        g += fraccoltofill * qGreen(*xP) * qAlpha(*xP) / 255;
-                        b += fraccoltofill * qBlue(*xP) * qAlpha(*xP) / 255;
-                        a += fraccoltofill * qAlpha(*xP);
-                        if (a) {
-                            r = r * 255 / a * SCALE;
-                            g = g * 255 / a * SCALE;
-                            b = b * 255 / a * SCALE;
-                        }
-                    } else {
-                        r += fraccoltofill * qRed(*xP);
-                        g += fraccoltofill * qGreen(*xP);
-                        b += fraccoltofill * qBlue(*xP);
-                    }
-                    r /= SCALE;
-                    if (r > maxval)
-                        r = maxval;
-                    g /= SCALE;
-                    if (g > maxval)
-                        g = maxval;
-                    b /= SCALE;
-                    if (b > maxval)
-                        b = maxval;
-                    if (as) {
-                        a /= SCALE;
-                        if (a > maxval)
-                            a = maxval;
-                        *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
-                    } else {
-                        *nxP = qRgb((int)r, (int)g, (int)b);
-                    }
-                    fraccolleft -= fraccoltofill;
-                    fraccoltofill = SCALE;
-                    needcol = 1;
-                }
-                if (fraccolleft > 0) {
-                    if (needcol) {
-                        ++nxP;
-                        a = r = g = b = HALFSCALE;
-                        needcol = 0;
-                    }
-                    if (as) {
-                        a += fraccolleft * qAlpha(*xP);
-                        r += fraccolleft * qRed(*xP) * qAlpha(*xP) / 255;
-                        g += fraccolleft * qGreen(*xP) * qAlpha(*xP) / 255;
-                        b += fraccolleft * qBlue(*xP) * qAlpha(*xP) / 255;
-                    } else {
-                        r += fraccolleft * qRed(*xP);
-                        g += fraccolleft * qGreen(*xP);
-                        b += fraccolleft * qBlue(*xP);
-                    }
-                    fraccoltofill -= fraccolleft;
-                }
-            }
-            if (fraccoltofill > 0) {
-                --xP;
-                if (as) {
-                    a += fraccolleft * qAlpha(*xP);
-                    r += fraccoltofill * qRed(*xP) * qAlpha(*xP) / 255;
-                    g += fraccoltofill * qGreen(*xP) * qAlpha(*xP) / 255;
-                    b += fraccoltofill * qBlue(*xP) * qAlpha(*xP) / 255;
-                    if (a) {
-                        r = r * 255 / a * SCALE;
-                        g = g * 255 / a * SCALE;
-                        b = b * 255 / a * SCALE;
-                    }
-                } else {
-                    r += fraccoltofill * qRed(*xP);
-                    g += fraccoltofill * qGreen(*xP);
-                    b += fraccoltofill * qBlue(*xP);
-                }
-            }
-            if (nxP < nxPEnd) {
-                r /= SCALE;
-                if (r > maxval)
-                    r = maxval;
-                g /= SCALE;
-                if (g > maxval)
-                    g = maxval;
-                b /= SCALE;
-                if (b > maxval)
-                    b = maxval;
-                if (as) {
-                    a /= SCALE;
-                    if (a > maxval)
-                        a = maxval;
-                    *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
-                } else {
-                    *nxP = qRgb((int)r, (int)g, (int)b);
-                }
-                while (++nxP != nxPEnd)
-                    nxP[0] = nxP[-1];
-            }
-        }
-    }
-
-    if (d->newrows != d->rows && tempxelrow)// Robust, tempxelrow might be 0 1 day
-        delete [] tempxelrow;
-    if (as)				// Avoid purify complaint
-        delete [] as;
-    if (rs)				// Robust, rs might be 0 one day
-        delete [] rs;
-    if (gs)				// Robust, gs might be 0 one day
-        delete [] gs;
-    if (bs)				// Robust, bs might be 0 one day
-        delete [] bs;
-
-    return dst;
-}
-
-class jpegSmoothScaler : public QImageSmoothScaler
-{
-public:
-    jpegSmoothScaler(struct jpeg_decompress_struct *info, const QSize& dstSize, const QRect& clipRect)
-        : QImageSmoothScaler(clipRect.width(), clipRect.height(),
-                             dstSize.width(), dstSize.height())
-    {
-        cinfo = info;
-        clip = clipRect;
-        imageCache = QImage(info->output_width, 1, QImage::Format_RGB32);
-    }
-
-private:
-    QRect   clip;
-    QImage  imageCache;
-    struct jpeg_decompress_struct *cinfo;
-
-    QRgb *scanLine(const int line = 0, const QImage *src = 0)
-    {
-	QRgb    *out;
-	uchar	*in;
-
-	Q_UNUSED(line);
-	Q_UNUSED(src);
-
-        uchar* data = imageCache.bits();
-
-        // Read ahead if we haven't reached the first clipped scanline yet.
-        while (int(cinfo->output_scanline) < clip.y() &&
-               cinfo->output_scanline < cinfo->output_height)
-	    jpeg_read_scanlines(cinfo, &data, 1);
-
-        // Read the next scanline.  We assume that "line"
-        // will never be >= clip.height().
-	jpeg_read_scanlines(cinfo, &data, 1);
-        if (cinfo->output_scanline == cinfo->output_height)
-            jpeg_finish_decompress(cinfo);
-
-	out = ((QRgb*)data) + clip.x();
-
-	//
-	// The smooth scale algorithm only works on 32-bit images;
-	// convert from (8|24) bits to 32.
-	//
-	if (cinfo->output_components == 1) {
-	    in = data + clip.right();
-	    for (int i = clip.width(); i--; ) {
-		out[i] = qRgb(*in, *in, *in);
-		in--;
-	    }
-        } else if (cinfo->out_color_space == JCS_CMYK) {
-            in = data + clip.right() * 4;
-            for (int i = clip.width(); i--; ) {
-                int k = in[3];
-                out[i] = qRgb(k * in[0] / 255, k * in[1] / 255, k * in[2] / 255);
-                in -= 4;
-            }
-        } else {
-	    in = data + clip.right() * 3;
-	    for (int i = clip.width(); i--; ) {
-		out[i] = qRgb(in[0], in[1], in[2]);
-		in -= 3;
-	    }
-	}
-
-	return out;
-    }
-
-};
-#endif
-
 struct my_error_mgr : public jpeg_error_mgr {
     jmp_buf setjmp_buffer;
 };
@@ -844,93 +415,82 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
             clip = clip.intersected(imageRect);
         }
 
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
-        if (scaledSize.isValid() && scaledSize != clip.size()
-            && quality >= HIGH_QUALITY_THRESHOLD) {
+        // Allocate memory for the clipped QImage.
+        if (!ensureValidImage(outImage, &cinfo, clip.size()))
+            longjmp(jerr.setjmp_buffer, 1);
+
+        // Avoid memcpy() overhead if grayscale with no clipping.
+        bool quickGray = (cinfo.output_components == 1 &&
+                          clip == imageRect);
+        if (!quickGray) {
+            // Ask the jpeg library to allocate a temporary row.
+            // The library will automatically delete it for us later.
+            // The libjpeg docs say we should do this before calling
+            // jpeg_start_decompress().  We can't use "new" here
+            // because we are inside the setjmp() block and an error
+            // in the jpeg input stream would cause a memory leak.
+            JSAMPARRAY rows = (cinfo.mem->alloc_sarray)
+                              ((j_common_ptr)&cinfo, JPOOL_IMAGE,
+                               cinfo.output_width * cinfo.output_components, 1);
 
             (void) jpeg_start_decompress(&cinfo);
 
-            jpegSmoothScaler scaler(&cinfo, scaledSize, clip);
-            *outImage = scaler.scale();
-        } else
-#endif
-        {
-            // Allocate memory for the clipped QImage.
-            if (!ensureValidImage(outImage, &cinfo, clip.size()))
-                longjmp(jerr.setjmp_buffer, 1);
-
-            // Avoid memcpy() overhead if grayscale with no clipping.
-            bool quickGray = (cinfo.output_components == 1 &&
-                              clip == imageRect);
-            if (!quickGray) {
-                // Ask the jpeg library to allocate a temporary row.
-                // The library will automatically delete it for us later.
-                // The libjpeg docs say we should do this before calling
-                // jpeg_start_decompress().  We can't use "new" here
-                // because we are inside the setjmp() block and an error
-                // in the jpeg input stream would cause a memory leak.
-                JSAMPARRAY rows = (cinfo.mem->alloc_sarray)
-                    ((j_common_ptr)&cinfo, JPOOL_IMAGE,
-                     cinfo.output_width * cinfo.output_components, 1);
-
-                (void) jpeg_start_decompress(&cinfo);
-
-                while (cinfo.output_scanline < cinfo.output_height) {
-                    int y = int(cinfo.output_scanline) - clip.y();
-                    if (y >= clip.height())
-                        break;      // We've read the entire clip region, so abort.
-
-                    (void) jpeg_read_scanlines(&cinfo, rows, 1);
-
-                    if (y < 0)
-                        continue;   // Haven't reached the starting line yet.
-
-                    if (cinfo.output_components == 3) {
-                        // Expand 24->32 bpp.
-                        uchar *in = rows[0] + clip.x() * 3;
-                        QRgb *out = (QRgb*)outImage->scanLine(y);
-                        for (int i = 0; i < clip.width(); ++i) {
-                            *out++ = qRgb(in[0], in[1], in[2]);
-                            in += 3;
-                        }
-                    } else if (cinfo.out_color_space == JCS_CMYK) {
-                        // Convert CMYK->RGB.
-                        uchar *in = rows[0] + clip.x() * 4;
-                        QRgb *out = (QRgb*)outImage->scanLine(y);
-                        for (int i = 0; i < clip.width(); ++i) {
-                            int k = in[3];
-                            *out++ = qRgb(k * in[0] / 255, k * in[1] / 255,
-                                          k * in[2] / 255);
-                            in += 4;
-                        }
-                    } else if (cinfo.output_components == 1) {
-                        // Grayscale.
-                        memcpy(outImage->scanLine(y),
-                               rows[0] + clip.x(), clip.width());
+            while (cinfo.output_scanline < cinfo.output_height) {
+                int y = int(cinfo.output_scanline) - clip.y();
+                if (y >= clip.height())
+                    break;      // We've read the entire clip region, so abort.
+
+                (void) jpeg_read_scanlines(&cinfo, rows, 1);
+
+                if (y < 0)
+                    continue;   // Haven't reached the starting line yet.
+
+                if (cinfo.output_components == 3) {
+                    // Expand 24->32 bpp.
+                    uchar *in = rows[0] + clip.x() * 3;
+                    QRgb *out = (QRgb*)outImage->scanLine(y);
+                    for (int i = 0; i < clip.width(); ++i) {
+                        *out++ = qRgb(in[0], in[1], in[2]);
+                        in += 3;
                     }
-                }
-            } else {
-                // Load unclipped grayscale data directly into the QImage.
-                (void) jpeg_start_decompress(&cinfo);
-                while (cinfo.output_scanline < cinfo.output_height) {
-                    uchar *row = outImage->scanLine(cinfo.output_scanline);
-                    (void) jpeg_read_scanlines(&cinfo, &row, 1);
+                } else if (cinfo.out_color_space == JCS_CMYK) {
+                    // Convert CMYK->RGB.
+                    uchar *in = rows[0] + clip.x() * 4;
+                    QRgb *out = (QRgb*)outImage->scanLine(y);
+                    for (int i = 0; i < clip.width(); ++i) {
+                        int k = in[3];
+                        *out++ = qRgb(k * in[0] / 255, k * in[1] / 255,
+                                      k * in[2] / 255);
+                        in += 4;
+                    }
+                } else if (cinfo.output_components == 1) {
+                    // Grayscale.
+                    memcpy(outImage->scanLine(y),
+                           rows[0] + clip.x(), clip.width());
                 }
             }
+        } else {
+            // Load unclipped grayscale data directly into the QImage.
+            (void) jpeg_start_decompress(&cinfo);
+            while (cinfo.output_scanline < cinfo.output_height) {
+                uchar *row = outImage->scanLine(cinfo.output_scanline);
+                (void) jpeg_read_scanlines(&cinfo, &row, 1);
+            }
+        }
 
-            if (cinfo.output_scanline == cinfo.output_height)
-                (void) jpeg_finish_decompress(&cinfo);
+        if (cinfo.output_scanline == cinfo.output_height)
+            (void) jpeg_finish_decompress(&cinfo);
 
-            if (cinfo.density_unit == 1) {
-                outImage->setDotsPerMeterX(int(100. * cinfo.X_density / 2.54));
-                outImage->setDotsPerMeterY(int(100. * cinfo.Y_density / 2.54));
-            } else if (cinfo.density_unit == 2) {
-                outImage->setDotsPerMeterX(int(100. * cinfo.X_density));
-                outImage->setDotsPerMeterY(int(100. * cinfo.Y_density));
-            }
+        if (cinfo.density_unit == 1) {
+            outImage->setDotsPerMeterX(int(100. * cinfo.X_density / 2.54));
+            outImage->setDotsPerMeterY(int(100. * cinfo.Y_density / 2.54));
+        } else if (cinfo.density_unit == 2) {
+            outImage->setDotsPerMeterX(int(100. * cinfo.X_density));
+            outImage->setDotsPerMeterY(int(100. * cinfo.Y_density));
+        }
 
-            if (scaledSize.isValid() && scaledSize != clip.size())
-                *outImage = outImage->scaled(scaledSize, Qt::IgnoreAspectRatio, Qt::FastTransformation);
+        if (scaledSize.isValid() && scaledSize != clip.size()) {
+            *outImage = outImage->scaled(scaledSize, Qt::IgnoreAspectRatio, quality >= HIGH_QUALITY_THRESHOLD ? Qt::SmoothTransformation : Qt::FastTransformation);
         }
     }
 
diff --git a/src/plugins/phonon/ds9/ds9.pro b/src/plugins/phonon/ds9/ds9.pro
index 786338aab7..301808e508 100644
--- a/src/plugins/phonon/ds9/ds9.pro
+++ b/src/plugins/phonon/ds9/ds9.pro
@@ -22,7 +22,6 @@ HEADERS += \
            $$PHONON_DS9_DIR/mediaobject.h \
            $$PHONON_DS9_DIR/videowidget.h \
            $$PHONON_DS9_DIR/videorenderer_soft.h \
-           $$PHONON_DS9_DIR/videorenderer_vmr9.h \
            $$PHONON_DS9_DIR/volumeeffect.h \
            $$PHONON_DS9_DIR/qbasefilter.h \
            $$PHONON_DS9_DIR/qpin.h \
@@ -45,7 +44,6 @@ SOURCES += \
            $$PHONON_DS9_DIR/mediaobject.cpp \
            $$PHONON_DS9_DIR/videowidget.cpp \
            $$PHONON_DS9_DIR/videorenderer_soft.cpp \
-           $$PHONON_DS9_DIR/videorenderer_vmr9.cpp \
            $$PHONON_DS9_DIR/volumeeffect.cpp \
            $$PHONON_DS9_DIR/qbasefilter.cpp \
            $$PHONON_DS9_DIR/qpin.cpp \
@@ -53,6 +51,14 @@ SOURCES += \
            $$PHONON_DS9_DIR/qaudiocdreader.cpp \
            $$PHONON_DS9_DIR/qmeminputpin.cpp
 
+#the EVR renderer (only available on desktop)
+!wince*:SOURCES += $$PHONON_DS9_DIR/videorenderer_evr.cpp \
+                   $$PHONON_DS9_DIR/videorenderer_vmr9.cpp
+!wince*:HEADERS += $$PHONON_DS9_DIR/qevr9.h \
+                   $$PHONON_DS9_DIR/videorenderer_evr.h \
+                   $$PHONON_DS9_DIR/videorenderer_vmr9.h
+wince*:SOURCES  += $$PHONON_DS9_DIR/videorenderer_default.cpp
+wince*:HEADERS  += $$PHONON_DS9_DIR/videorenderer_default.h
 
 target.path = $$[QT_INSTALL_PLUGINS]/phonon_backend
 INSTALLS += target
diff --git a/src/plugins/qpluginbase.pri b/src/plugins/qpluginbase.pri
index 3af8b4089c..3dd3d2e0f4 100644
--- a/src/plugins/qpluginbase.pri
+++ b/src/plugins/qpluginbase.pri
@@ -1,6 +1,6 @@
 TEMPLATE = lib
 isEmpty(QT_MAJOR_VERSION) {
-   VERSION=4.6.2
+   VERSION=4.7.0
 } else {
    VERSION=$${QT_MAJOR_VERSION}.$${QT_MINOR_VERSION}.$${QT_PATCH_VERSION}
 }
diff --git a/src/qbase.pri b/src/qbase.pri
index 710a2b6ef5..58bb6d49c1 100644
--- a/src/qbase.pri
+++ b/src/qbase.pri
@@ -4,7 +4,7 @@ INCLUDEPATH *= $$QMAKE_INCDIR_QT/$$TARGET #just for today to have some compat
 isEmpty(QT_ARCH):!isEmpty(ARCH):QT_ARCH=$$ARCH #another compat that will rot for change #215700
 TEMPLATE	= lib
 isEmpty(QT_MAJOR_VERSION) {
-   VERSION=4.6.2
+   VERSION=4.7.0
 } else {
    VERSION=$${QT_MAJOR_VERSION}.$${QT_MINOR_VERSION}.$${QT_PATCH_VERSION}
 }
diff --git a/src/script/api/qscriptprogram.cpp b/src/script/api/qscriptprogram.cpp
index c45205238f..d4a32f4e07 100644
--- a/src/script/api/qscriptprogram.cpp
+++ b/src/script/api/qscriptprogram.cpp
@@ -63,7 +63,6 @@ QScriptProgramPrivate::QScriptProgramPrivate(const QString &src,
 
 QScriptProgramPrivate::~QScriptProgramPrivate()
 {
-    delete _executable;
 }
 
 QScriptProgramPrivate *QScriptProgramPrivate::get(const QScriptProgram &q)
@@ -76,17 +75,17 @@ JSC::EvalExecutable *QScriptProgramPrivate::executable(JSC::ExecState *exec,
 {
     if (_executable) {
         if (eng == engine)
-            return _executable;
-        delete _executable;
+            return _executable.get();
+        _executable = 0;
     }
     WTF::PassRefPtr<QScript::UStringSourceProviderWithFeedback> provider
         = QScript::UStringSourceProviderWithFeedback::create(sourceCode, fileName, firstLineNumber, eng);
     sourceId = provider->asID();
     JSC::SourceCode source(provider, firstLineNumber); //after construction of SourceCode provider variable will be null.
-    _executable = new JSC::EvalExecutable(exec, source);
+    _executable = JSC::EvalExecutable::create(exec, source);
     engine = eng;
     isCompiled = false;
-    return _executable;
+    return _executable.get();
 }
 
 /*!
diff --git a/src/script/api/qscriptprogram_p.h b/src/script/api/qscriptprogram_p.h
index 427ab34b55..95e75fda5b 100644
--- a/src/script/api/qscriptprogram_p.h
+++ b/src/script/api/qscriptprogram_p.h
@@ -37,6 +37,8 @@
 
 #include <QtCore/qobjectdefs.h>
 
+#include "RefPtr.h"
+
 namespace JSC
 {
     class EvalExecutable;
@@ -67,7 +69,7 @@ public:
     int firstLineNumber;
 
     QScriptEnginePrivate *engine;
-    JSC::EvalExecutable *_executable;
+    WTF::RefPtr<JSC::EvalExecutable> _executable;
     intptr_t sourceId;
     bool isCompiled;
 };
diff --git a/src/scripttools/debugging/qscriptdebuggerconsole.cpp b/src/scripttools/debugging/qscriptdebuggerconsole.cpp
index 7fd80f058a..2f7a99833b 100644
--- a/src/scripttools/debugging/qscriptdebuggerconsole.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerconsole.cpp
@@ -44,16 +44,216 @@
 #include "qscriptdebuggerconsolecommandmanager_p.h"
 #include "qscriptdebuggerscriptedconsolecommand_p.h"
 #include "qscriptmessagehandlerinterface_p.h"
+#include "qscriptbreakpointdata_p.h"
+#include "qscriptdebuggerresponse_p.h"
+#include "qscriptdebuggervalueproperty_p.h"
+#include "qscriptscriptdata_p.h"
 
 #include <QtCore/qdir.h>
 #include <QtCore/qfileinfo.h>
 #include <QtCore/qstring.h>
 #include <QtCore/qstringlist.h>
 #include <QtCore/qdebug.h>
+#include <QtScript/qscriptcontextinfo.h>
 #include <QtScript/qscriptengine.h>
 
+Q_DECLARE_METATYPE(QScriptDebuggerResponse)
+Q_DECLARE_METATYPE(QScriptBreakpointData)
+Q_DECLARE_METATYPE(QScriptBreakpointMap)
+Q_DECLARE_METATYPE(QScriptScriptData)
+Q_DECLARE_METATYPE(QScriptScriptMap)
+Q_DECLARE_METATYPE(QScriptContextInfo)
+Q_DECLARE_METATYPE(QScriptDebuggerValue)
+Q_DECLARE_METATYPE(QScriptDebuggerValueProperty)
+Q_DECLARE_METATYPE(QScriptDebuggerValuePropertyList)
+Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommand*)
+Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandList)
+Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupData)
+Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupMap)
+
 QT_BEGIN_NAMESPACE
 
+static QScriptValue debuggerResponseToScriptValue(QScriptEngine *eng, const QScriptDebuggerResponse &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("result"), qScriptValueFromValue(eng, in.result()));
+    out.setProperty(QString::fromLatin1("error"), QScriptValue(eng, in.error()));
+    out.setProperty(QString::fromLatin1("async"), QScriptValue(eng, in.async()));
+    return out;
+}
+
+static void debuggerResponseFromScriptValue(const QScriptValue &, QScriptDebuggerResponse &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue breakpointDataToScriptValue(QScriptEngine *eng, const QScriptBreakpointData &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
+    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
+    out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
+    out.setProperty(QString::fromLatin1("enabled"), QScriptValue(eng, in.isEnabled()));
+    out.setProperty(QString::fromLatin1("singleShot"), QScriptValue(eng, in.isSingleShot()));
+    out.setProperty(QString::fromLatin1("ignoreCount"), QScriptValue(eng, in.ignoreCount()));
+    out.setProperty(QString::fromLatin1("condition"), QScriptValue(eng, in.condition()));
+    return out;
+}
+
+static void breakpointDataFromScriptValue(const QScriptValue &in, QScriptBreakpointData &out)
+{
+    QScriptValue scriptId = in.property(QString::fromLatin1("scriptId"));
+    if (scriptId.isValid())
+        out.setScriptId((qint64)scriptId.toNumber());
+    out.setFileName(in.property(QString::fromLatin1("fileName")).toString());
+    out.setLineNumber(in.property(QString::fromLatin1("lineNumber")).toInt32());
+    QScriptValue enabled = in.property(QString::fromLatin1("enabled"));
+    if (enabled.isValid())
+        out.setEnabled(enabled.toBoolean());
+    QScriptValue singleShot = in.property(QString::fromLatin1("singleShot"));
+    if (singleShot.isValid())
+        out.setSingleShot(singleShot.toBoolean());
+    out.setIgnoreCount(in.property(QString::fromLatin1("ignoreCount")).toInt32());
+    out.setCondition(in.property(QString::fromLatin1("condition")).toString());
+}
+
+static QScriptValue breakpointMapToScriptValue(QScriptEngine *eng, const QScriptBreakpointMap &in)
+{
+    QScriptValue out = eng->newObject();
+    QScriptBreakpointMap::const_iterator it;
+    for (it = in.constBegin(); it != in.constEnd(); ++it) {
+        out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
+    }
+    return out;
+}
+
+static void breakpointMapFromScriptValue(const QScriptValue &, QScriptBreakpointMap &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue scriptDataToScriptValue(QScriptEngine *eng, const QScriptScriptData &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("contents"), QScriptValue(eng, in.contents()));
+    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
+    out.setProperty(QString::fromLatin1("baseLineNumber"), QScriptValue(eng, in.baseLineNumber()));
+    return out;
+}
+
+static void scriptDataFromScriptValue(const QScriptValue &in, QScriptScriptData &out)
+{
+    QString contents = in.property(QString::fromLatin1("contents")).toString();
+    QString fileName = in.property(QString::fromLatin1("fileName")).toString();
+    int baseLineNumber = in.property(QString::fromLatin1("baseLineNumber")).toInt32();
+    QScriptScriptData tmp(contents, fileName, baseLineNumber);
+    out = tmp;
+}
+
+static QScriptValue scriptMapToScriptValue(QScriptEngine *eng, const QScriptScriptMap &in)
+{
+    QScriptValue out = eng->newObject();
+    QScriptScriptMap::const_iterator it;
+    for (it = in.constBegin(); it != in.constEnd(); ++it) {
+        out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
+    }
+    return out;
+}
+
+static void scriptMapFromScriptValue(const QScriptValue &, QScriptScriptMap &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue consoleCommandToScriptValue(
+    QScriptEngine *eng, QScriptDebuggerConsoleCommand* const &in)
+{
+    if (!in)
+        return eng->undefinedValue();
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in->name()));
+    out.setProperty(QString::fromLatin1("group"), QScriptValue(eng, in->group()));
+    out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in->shortDescription()));
+    out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in->longDescription()));
+    out.setProperty(QString::fromLatin1("aliases"), qScriptValueFromValue(eng, in->aliases()));
+    out.setProperty(QString::fromLatin1("seeAlso"), qScriptValueFromValue(eng, in->seeAlso()));
+    return out;
+}
+
+static void consoleCommandFromScriptValue(
+    const QScriptValue &, QScriptDebuggerConsoleCommand* &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue consoleCommandGroupDataToScriptValue(
+    QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupData &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in.longDescription()));
+    out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in.shortDescription()));
+    return out;
+}
+
+static void consoleCommandGroupDataFromScriptValue(
+    const QScriptValue &, QScriptDebuggerConsoleCommandGroupData &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue consoleCommandGroupMapToScriptValue(
+    QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupMap &in)
+{
+    QScriptValue out = eng->newObject();
+    QScriptDebuggerConsoleCommandGroupMap::const_iterator it;
+    for (it = in.constBegin(); it != in.constEnd(); ++it) {
+        out.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
+    }
+    return out;
+}
+
+static void consoleCommandGroupMapFromScriptValue(
+    const QScriptValue &, QScriptDebuggerConsoleCommandGroupMap &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue contextInfoToScriptValue(QScriptEngine *eng, const QScriptContextInfo &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
+    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
+    out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
+    out.setProperty(QString::fromLatin1("columnNumber"), QScriptValue(eng, in.columnNumber()));
+    out.setProperty(QString::fromLatin1("functionName"), QScriptValue(eng, in.functionName()));
+    return out;
+}
+
+static void contextInfoFromScriptValue(const QScriptValue &, QScriptContextInfo &)
+{
+    Q_ASSERT(0);
+}
+
+static QScriptValue debuggerScriptValuePropertyToScriptValue(QScriptEngine *eng, const QScriptDebuggerValueProperty &in)
+{
+    QScriptValue out = eng->newObject();
+    out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in.name()));
+    out.setProperty(QString::fromLatin1("value"), qScriptValueFromValue(eng, in.value()));
+    out.setProperty(QString::fromLatin1("valueAsString"), QScriptValue(eng, in.valueAsString()));
+    out.setProperty(QString::fromLatin1("flags"), QScriptValue(eng, static_cast<int>(in.flags())));
+    return out;
+}
+
+static void debuggerScriptValuePropertyFromScriptValue(const QScriptValue &in, QScriptDebuggerValueProperty &out)
+{
+    QString name = in.property(QString::fromLatin1("name")).toString();
+    QScriptDebuggerValue value = qscriptvalue_cast<QScriptDebuggerValue>(in.property(QString::fromLatin1("value")));
+    QString valueAsString = in.property(QString::fromLatin1("valueAsString")).toString();
+    int flags = in.property(QString::fromLatin1("flags")).toInt32();
+    QScriptDebuggerValueProperty tmp(name, value, valueAsString, QScriptValue::PropertyFlags(flags));
+    out = tmp;
+}
+
 /*!
   \since 4.5
   \class QScriptDebuggerConsole
@@ -76,6 +276,7 @@ public:
         QScriptMessageHandlerInterface *messageHandler,
         QScriptDebuggerCommandSchedulerInterface *commandScheduler);
 
+    QScriptEngine *commandEngine;
     QScriptDebuggerConsoleCommandManager *commandManager;
     QString commandPrefix;
     QString input;
@@ -99,11 +300,29 @@ QScriptDebuggerConsolePrivate::QScriptDebuggerConsolePrivate(QScriptDebuggerCons
     evaluateAction = 0;
     commandPrefix = QLatin1String(".");
     commandManager = new QScriptDebuggerConsoleCommandManager();
+
+    commandEngine = new QScriptEngine;
+    qScriptRegisterMetaType<QScriptBreakpointData>(commandEngine, breakpointDataToScriptValue, breakpointDataFromScriptValue);
+    qScriptRegisterMetaType<QScriptBreakpointMap>(commandEngine, breakpointMapToScriptValue, breakpointMapFromScriptValue);
+    qScriptRegisterMetaType<QScriptScriptData>(commandEngine, scriptDataToScriptValue, scriptDataFromScriptValue);
+    qScriptRegisterMetaType<QScriptScriptMap>(commandEngine, scriptMapToScriptValue, scriptMapFromScriptValue);
+    qScriptRegisterMetaType<QScriptContextInfo>(commandEngine, contextInfoToScriptValue, contextInfoFromScriptValue);
+    qScriptRegisterMetaType<QScriptDebuggerValueProperty>(commandEngine, debuggerScriptValuePropertyToScriptValue, debuggerScriptValuePropertyFromScriptValue);
+    qScriptRegisterSequenceMetaType<QScriptDebuggerValuePropertyList>(commandEngine);
+    qScriptRegisterMetaType<QScriptDebuggerResponse>(commandEngine, debuggerResponseToScriptValue, debuggerResponseFromScriptValue);
+    qScriptRegisterMetaType<QScriptDebuggerConsoleCommand*>(commandEngine, consoleCommandToScriptValue, consoleCommandFromScriptValue);
+    qScriptRegisterSequenceMetaType<QScriptDebuggerConsoleCommandList>(commandEngine);
+    qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupData>(commandEngine, consoleCommandGroupDataToScriptValue, consoleCommandGroupDataFromScriptValue);
+    qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupMap>(commandEngine, consoleCommandGroupMapToScriptValue, consoleCommandGroupMapFromScriptValue);
+// ### can't do this, if it's an object ID the conversion will be incorrect since
+// ### the object ID refers to an object in a different engine!
+//    qScriptRegisterMetaType(commandEngine, debuggerScriptValueToScriptValue, debuggerScriptValueFromScriptValue);
 }
 
 QScriptDebuggerConsolePrivate::~QScriptDebuggerConsolePrivate()
 {
     delete commandManager;
+    delete commandEngine;
 }
 
 /*!
@@ -126,7 +345,7 @@ void QScriptDebuggerConsolePrivate::loadScriptedCommands(
         QString program = stream.readAll();
         QScriptDebuggerScriptedConsoleCommand *command;
         command = QScriptDebuggerScriptedConsoleCommand::parse(
-            program, fileName, messageHandler);
+            program, fileName, commandEngine, messageHandler);
         if (!command)
             continue;
         commandManager->addCommand(command);
diff --git a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
index 068de42b57..ec6230bc9e 100644
--- a/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerlocalsmodel.cpp
@@ -54,6 +54,7 @@
 
 #include <QtCore/qdebug.h>
 #include <QtCore/qcoreapplication.h>
+#include <QtCore/qpointer.h>
 #include <QtGui/qbrush.h>
 #include <QtGui/qfont.h>
 
@@ -370,6 +371,7 @@ public:
     {
         if (!m_index.isValid()) {
             // nothing to do, the node has been removed
+            finish();
             return;
         }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
@@ -475,7 +477,7 @@ namespace {
 class InitModelJob : public QScriptDebuggerCommandSchedulerJob
 {
 public:
-    InitModelJob(QScriptDebuggerLocalsModelPrivate *model,
+    InitModelJob(QScriptDebuggerLocalsModel *model,
                  int frameIndex,
                  QScriptDebuggerCommandSchedulerInterface *scheduler)
         : QScriptDebuggerCommandSchedulerJob(scheduler),
@@ -484,6 +486,11 @@ public:
 
     void start()
     {
+        if (!m_model) {
+            // Model has been deleted.
+            finish();
+            return;
+        }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
         frontend.scheduleGetScopeChain(m_frameIndex);
     }
@@ -491,7 +498,13 @@ public:
     void handleResponse(const QScriptDebuggerResponse &response,
                         int)
     {
+        if (!m_model) {
+            // Model has been deleted.
+            finish();
+            return;
+        }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
+        QScriptDebuggerLocalsModelPrivate *model_d = QScriptDebuggerLocalsModelPrivate::get(m_model);
         switch (m_state) {
         case 0: {
             QScriptDebuggerValueList scopeChain = response.resultAsScriptValueList();
@@ -500,23 +513,23 @@ public:
                 QString name = QString::fromLatin1("Scope");
                 if (i > 0)
                     name.append(QString::fromLatin1(" (%0)").arg(i));
-                QModelIndex index = m_model->addTopLevelObject(name, scopeObject);
+                QModelIndex index = model_d->addTopLevelObject(name, scopeObject);
                 if (i == 0)
-                    m_model->emitScopeObjectAvailable(index);
+                    model_d->emitScopeObjectAvailable(index);
             }
             frontend.scheduleGetThisObject(m_frameIndex);
             ++m_state;
         }   break;
         case 1: {
             QScriptDebuggerValue thisObject = response.resultAsScriptValue();
-            m_model->addTopLevelObject(QLatin1String("this"), thisObject);
+            model_d->addTopLevelObject(QLatin1String("this"), thisObject);
             finish();
           } break;
         }
     }
 
 private:
-    QScriptDebuggerLocalsModelPrivate *m_model;
+    QPointer<QScriptDebuggerLocalsModel> m_model;
     int m_frameIndex;
     int m_state;
 };
@@ -527,7 +540,7 @@ void QScriptDebuggerLocalsModel::init(int frameIndex)
 {
     Q_D(QScriptDebuggerLocalsModel);
     d->frameIndex = frameIndex;
-    QScriptDebuggerJob *job = new InitModelJob(d, frameIndex, d->commandScheduler);
+    QScriptDebuggerJob *job = new InitModelJob(this, frameIndex, d->commandScheduler);
     d->jobScheduler->scheduleJob(job);
 }
 
@@ -536,7 +549,7 @@ namespace {
 class SyncModelJob : public QScriptDebuggerCommandSchedulerJob
 {
 public:
-    SyncModelJob(QScriptDebuggerLocalsModelPrivate *model,
+    SyncModelJob(QScriptDebuggerLocalsModel *model,
                  int frameIndex,
                  QScriptDebuggerCommandSchedulerInterface *scheduler)
         : QScriptDebuggerCommandSchedulerJob(scheduler),
@@ -545,6 +558,11 @@ public:
 
     void start()
     {
+        if (!m_model) {
+            // Model has been deleted.
+            finish();
+            return;
+        }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
         frontend.scheduleGetScopeChain(m_frameIndex);
     }
@@ -552,6 +570,11 @@ public:
     void handleResponse(const QScriptDebuggerResponse &response,
                         int)
     {
+        if (!m_model) {
+            // Model has been deleted.
+            finish();
+            return;
+        }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
         switch (m_state) {
         case 0: {
@@ -561,18 +584,19 @@ public:
             ++m_state;
         }   break;
         case 1: {
+            QScriptDebuggerLocalsModelPrivate *model_d = QScriptDebuggerLocalsModelPrivate::get(m_model);
             QScriptDebuggerValue thisObject = response.resultAsScriptValue();
             m_topLevelObjects.append(thisObject);
-            bool equal = (m_topLevelObjects.size() == m_model->invisibleRootNode->children.size());
+            bool equal = (m_topLevelObjects.size() == model_d->invisibleRootNode->children.size());
             for (int i = 0; equal && (i < m_topLevelObjects.size()); ++i) {
                 const QScriptDebuggerValue &object = m_topLevelObjects.at(i);
-                equal = (object == m_model->invisibleRootNode->children.at(i)->property.value());
+                equal = (object == model_d->invisibleRootNode->children.at(i)->property.value());
             }
             if (!equal) {
                 // the scope chain and/or this-object changed, so invalidate the model.
                 // we could try to be more clever, i.e. figure out
                 // exactly which objects were popped/pushed
-                m_model->removeTopLevelNodes();
+                model_d->removeTopLevelNodes();
                 for (int j = 0; j < m_topLevelObjects.size(); ++j) {
                     const QScriptDebuggerValue &object = m_topLevelObjects.at(j);
                     QString name;
@@ -583,12 +607,12 @@ public:
                         if (j > 0)
                             name.append(QString::fromLatin1(" (%0)").arg(j));
                     }
-                    QModelIndex index = m_model->addTopLevelObject(name, object);
+                    QModelIndex index = model_d->addTopLevelObject(name, object);
                     if (j == 0)
-                        m_model->emitScopeObjectAvailable(index);
+                        model_d->emitScopeObjectAvailable(index);
                 }
             } else {
-                m_model->syncTopLevelNodes();
+                model_d->syncTopLevelNodes();
             }
             finish();
           } break;
@@ -596,7 +620,7 @@ public:
     }
 
 private:
-    QScriptDebuggerLocalsModelPrivate *m_model;
+    QPointer<QScriptDebuggerLocalsModel> m_model;
     int m_frameIndex;
     int m_state;
     QScriptDebuggerValueList m_topLevelObjects;
@@ -608,7 +632,7 @@ void QScriptDebuggerLocalsModel::sync(int frameIndex)
 {
     Q_D(QScriptDebuggerLocalsModel);
     d->frameIndex = frameIndex;
-    QScriptDebuggerJob *job = new SyncModelJob(d, frameIndex, d->commandScheduler);
+    QScriptDebuggerJob *job = new SyncModelJob(this, frameIndex, d->commandScheduler);
     d->jobScheduler->scheduleJob(job);
 }
 
@@ -636,6 +660,7 @@ public:
     {
         if (!m_index.isValid()) {
             // nothing to do, the node has been removed
+            finish();
             return;
         }
         QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);
diff --git a/src/scripttools/debugging/qscriptdebuggerlocalswidget.cpp b/src/scripttools/debugging/qscriptdebuggerlocalswidget.cpp
index 516a200637..bbced5ff90 100644
--- a/src/scripttools/debugging/qscriptdebuggerlocalswidget.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerlocalswidget.cpp
@@ -70,6 +70,8 @@ public:
 
     bool hasChildren(const QModelIndex &parent) const
     {
+        if (!sourceModel())
+            return false;
         QModelIndex sourceParent = mapToSource(parent);
         if (parent.isValid() && !sourceParent.isValid())
             return false;
@@ -184,7 +186,8 @@ void QScriptDebuggerLocalsWidgetPrivate::_q_insertCompletion(const QString &text
 
 void QScriptDebuggerLocalsWidgetPrivate::_q_expandIndex(const QModelIndex &index)
 {
-    view->expand(proxy->mapFromSource(index));
+    if (view->model() == index.model())
+        view->expand(proxy->mapFromSource(index));
 }
 
 class QScriptDebuggerLocalsItemDelegate
diff --git a/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand.cpp b/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand.cpp
index 8d6a579d7c..117c2d60aa 100644
--- a/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand.cpp
+++ b/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand.cpp
@@ -46,8 +46,6 @@
 #include "qscriptmessagehandlerinterface_p.h"
 #include "qscriptdebuggerconsoleglobalobject_p.h"
 #include "qscriptdebuggerresponse_p.h"
-#include "qscriptdebuggervalue_p.h"
-#include "qscriptdebuggervalueproperty_p.h"
 #include "qscriptdebuggercommandschedulerinterface_p.h"
 
 #include <QtCore/qstring.h>
@@ -59,202 +57,9 @@
 #include <QtCore/qdebug.h>
 
 Q_DECLARE_METATYPE(QScriptDebuggerResponse)
-Q_DECLARE_METATYPE(QScriptBreakpointData)
-Q_DECLARE_METATYPE(QScriptBreakpointMap)
-Q_DECLARE_METATYPE(QScriptScriptData)
-Q_DECLARE_METATYPE(QScriptScriptMap)
-Q_DECLARE_METATYPE(QScriptContextInfo)
-Q_DECLARE_METATYPE(QScriptDebuggerValue)
-Q_DECLARE_METATYPE(QScriptDebuggerValueProperty)
-Q_DECLARE_METATYPE(QScriptDebuggerValuePropertyList)
-Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommand*)
-Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandList)
-Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupData)
-Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupMap)
 
 QT_BEGIN_NAMESPACE
 
-static QScriptValue debuggerResponseToScriptValue(QScriptEngine *eng, const QScriptDebuggerResponse &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("result"), qScriptValueFromValue(eng, in.result()));
-    out.setProperty(QString::fromLatin1("error"), QScriptValue(eng, in.error()));
-    out.setProperty(QString::fromLatin1("async"), QScriptValue(eng, in.async()));
-    return out;
-}
-
-static void debuggerResponseFromScriptValue(const QScriptValue &, QScriptDebuggerResponse &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue breakpointDataToScriptValue(QScriptEngine *eng, const QScriptBreakpointData &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
-    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
-    out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
-    out.setProperty(QString::fromLatin1("enabled"), QScriptValue(eng, in.isEnabled()));
-    out.setProperty(QString::fromLatin1("singleShot"), QScriptValue(eng, in.isSingleShot()));
-    out.setProperty(QString::fromLatin1("ignoreCount"), QScriptValue(eng, in.ignoreCount()));
-    out.setProperty(QString::fromLatin1("condition"), QScriptValue(eng, in.condition()));
-    return out;
-}
-
-static void breakpointDataFromScriptValue(const QScriptValue &in, QScriptBreakpointData &out)
-{
-    QScriptValue scriptId = in.property(QString::fromLatin1("scriptId"));
-    if (scriptId.isValid())
-        out.setScriptId((qint64)scriptId.toNumber());
-    out.setFileName(in.property(QString::fromLatin1("fileName")).toString());
-    out.setLineNumber(in.property(QString::fromLatin1("lineNumber")).toInt32());
-    QScriptValue enabled = in.property(QString::fromLatin1("enabled"));
-    if (enabled.isValid())
-        out.setEnabled(enabled.toBoolean());
-    QScriptValue singleShot = in.property(QString::fromLatin1("singleShot"));
-    if (singleShot.isValid())
-        out.setSingleShot(singleShot.toBoolean());
-    out.setIgnoreCount(in.property(QString::fromLatin1("ignoreCount")).toInt32());
-    out.setCondition(in.property(QString::fromLatin1("condition")).toString());
-}
-
-static QScriptValue breakpointMapToScriptValue(QScriptEngine *eng, const QScriptBreakpointMap &in)
-{
-    QScriptValue out = eng->newObject();
-    QScriptBreakpointMap::const_iterator it;
-    for (it = in.constBegin(); it != in.constEnd(); ++it) {
-        out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
-    }
-    return out;
-}
-
-static void breakpointMapFromScriptValue(const QScriptValue &, QScriptBreakpointMap &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue scriptDataToScriptValue(QScriptEngine *eng, const QScriptScriptData &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("contents"), QScriptValue(eng, in.contents()));
-    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
-    out.setProperty(QString::fromLatin1("baseLineNumber"), QScriptValue(eng, in.baseLineNumber()));
-    return out;
-}
-
-static void scriptDataFromScriptValue(const QScriptValue &in, QScriptScriptData &out)
-{
-    QString contents = in.property(QString::fromLatin1("contents")).toString();
-    QString fileName = in.property(QString::fromLatin1("fileName")).toString();
-    int baseLineNumber = in.property(QString::fromLatin1("baseLineNumber")).toInt32();
-    QScriptScriptData tmp(contents, fileName, baseLineNumber);
-    out = tmp;
-}
-
-static QScriptValue scriptMapToScriptValue(QScriptEngine *eng, const QScriptScriptMap &in)
-{
-    QScriptValue out = eng->newObject();
-    QScriptScriptMap::const_iterator it;
-    for (it = in.constBegin(); it != in.constEnd(); ++it) {
-        out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
-    }
-    return out;
-}
-
-static void scriptMapFromScriptValue(const QScriptValue &, QScriptScriptMap &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue consoleCommandToScriptValue(
-    QScriptEngine *eng, QScriptDebuggerConsoleCommand* const &in)
-{
-    if (!in)
-        return eng->undefinedValue();
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in->name()));
-    out.setProperty(QString::fromLatin1("group"), QScriptValue(eng, in->group()));
-    out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in->shortDescription()));
-    out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in->longDescription()));
-    out.setProperty(QString::fromLatin1("aliases"), qScriptValueFromValue(eng, in->aliases()));
-    out.setProperty(QString::fromLatin1("seeAlso"), qScriptValueFromValue(eng, in->seeAlso()));
-    return out;
-}
-
-static void consoleCommandFromScriptValue(
-    const QScriptValue &, QScriptDebuggerConsoleCommand* &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue consoleCommandGroupDataToScriptValue(
-    QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupData &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in.longDescription()));
-    out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in.shortDescription()));
-    return out;
-}
-
-static void consoleCommandGroupDataFromScriptValue(
-    const QScriptValue &, QScriptDebuggerConsoleCommandGroupData &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue consoleCommandGroupMapToScriptValue(
-    QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupMap &in)
-{
-    QScriptValue out = eng->newObject();
-    QScriptDebuggerConsoleCommandGroupMap::const_iterator it;
-    for (it = in.constBegin(); it != in.constEnd(); ++it) {
-        out.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
-    }
-    return out;
-}
-
-static void consoleCommandGroupMapFromScriptValue(
-    const QScriptValue &, QScriptDebuggerConsoleCommandGroupMap &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue contextInfoToScriptValue(QScriptEngine *eng, const QScriptContextInfo &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
-    out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
-    out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
-    out.setProperty(QString::fromLatin1("columnNumber"), QScriptValue(eng, in.columnNumber()));
-    out.setProperty(QString::fromLatin1("functionName"), QScriptValue(eng, in.functionName()));
-    return out;
-}
-
-static void contextInfoFromScriptValue(const QScriptValue &, QScriptContextInfo &)
-{
-    Q_ASSERT(0);
-}
-
-static QScriptValue debuggerScriptValuePropertyToScriptValue(QScriptEngine *eng, const QScriptDebuggerValueProperty &in)
-{
-    QScriptValue out = eng->newObject();
-    out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in.name()));
-    out.setProperty(QString::fromLatin1("value"), qScriptValueFromValue(eng, in.value()));
-    out.setProperty(QString::fromLatin1("valueAsString"), QScriptValue(eng, in.valueAsString()));
-    out.setProperty(QString::fromLatin1("flags"), QScriptValue(eng, static_cast<int>(in.flags())));
-    return out;
-}
-
-static void debuggerScriptValuePropertyFromScriptValue(const QScriptValue &in, QScriptDebuggerValueProperty &out)
-{
-    QString name = in.property(QString::fromLatin1("name")).toString();
-    QScriptDebuggerValue value = qscriptvalue_cast<QScriptDebuggerValue>(in.property(QString::fromLatin1("value")));
-    QString valueAsString = in.property(QString::fromLatin1("valueAsString")).toString();
-    int flags = in.property(QString::fromLatin1("flags")).toInt32();
-    QScriptDebuggerValueProperty tmp(name, value, valueAsString, QScriptValue::PropertyFlags(flags));
-    out = tmp;
-}
-
 /*!
   \since 4.5
   \class QScriptDebuggerScriptedConsoleCommand
@@ -279,19 +84,17 @@ public:
     QStringList seeAlso;
     QStringList argumentTypes;
     QStringList subCommands;
-    QScriptEngine *engine;
+    QScriptValue globalObject;
     QScriptValue execFunction;
     QScriptValue responseFunction;
 };
 
 QScriptDebuggerScriptedConsoleCommandPrivate::QScriptDebuggerScriptedConsoleCommandPrivate()
 {
-    engine = 0;
 }
 
 QScriptDebuggerScriptedConsoleCommandPrivate::~QScriptDebuggerScriptedConsoleCommandPrivate()
 {
-    delete engine;
 }
 
 QScriptDebuggerScriptedConsoleCommand::QScriptDebuggerScriptedConsoleCommand(
@@ -299,6 +102,7 @@ QScriptDebuggerScriptedConsoleCommand::QScriptDebuggerScriptedConsoleCommand(
     const QString &shortDescription, const QString &longDescription,
     const QStringList &aliases, const QStringList &seeAlso,
     const QStringList &argumentTypes, const QStringList &subCommands,
+    const QScriptValue &globalObject,
     const QScriptValue &execFunction, const QScriptValue &responseFunction)
     : QScriptDebuggerConsoleCommand(*new QScriptDebuggerScriptedConsoleCommandPrivate)
 {
@@ -311,25 +115,9 @@ QScriptDebuggerScriptedConsoleCommand::QScriptDebuggerScriptedConsoleCommand(
     d->seeAlso = seeAlso;
     d->argumentTypes = argumentTypes;
     d->subCommands = subCommands;
+    d->globalObject = globalObject;
     d->execFunction = execFunction;
     d->responseFunction = responseFunction;
-    d->engine = execFunction.engine();
-
-    qScriptRegisterMetaType<QScriptBreakpointData>(d->engine, breakpointDataToScriptValue, breakpointDataFromScriptValue);
-    qScriptRegisterMetaType<QScriptBreakpointMap>(d->engine, breakpointMapToScriptValue, breakpointMapFromScriptValue);
-    qScriptRegisterMetaType<QScriptScriptData>(d->engine, scriptDataToScriptValue, scriptDataFromScriptValue);
-    qScriptRegisterMetaType<QScriptScriptMap>(d->engine, scriptMapToScriptValue, scriptMapFromScriptValue);
-    qScriptRegisterMetaType<QScriptContextInfo>(d->engine, contextInfoToScriptValue, contextInfoFromScriptValue);
-    qScriptRegisterMetaType<QScriptDebuggerValueProperty>(d->engine, debuggerScriptValuePropertyToScriptValue, debuggerScriptValuePropertyFromScriptValue);
-    qScriptRegisterSequenceMetaType<QScriptDebuggerValuePropertyList>(d->engine);
-    qScriptRegisterMetaType<QScriptDebuggerResponse>(d->engine, debuggerResponseToScriptValue, debuggerResponseFromScriptValue);
-    qScriptRegisterMetaType<QScriptDebuggerConsoleCommand*>(d->engine, consoleCommandToScriptValue, consoleCommandFromScriptValue);
-    qScriptRegisterSequenceMetaType<QScriptDebuggerConsoleCommandList>(d->engine);
-    qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupData>(d->engine, consoleCommandGroupDataToScriptValue, consoleCommandGroupDataFromScriptValue);
-    qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupMap>(d->engine, consoleCommandGroupMapToScriptValue, consoleCommandGroupMapFromScriptValue);
-// ### can't do this, if it's an object ID the conversion will be incorrect since
-// ### the object ID refers to an object in a different engine!
-//    qScriptRegisterMetaType(d->engine, debuggerScriptValueToScriptValue, debuggerScriptValueFromScriptValue);
 }
 
 QScriptDebuggerScriptedConsoleCommand::~QScriptDebuggerScriptedConsoleCommand()
@@ -405,7 +193,8 @@ int QScriptDebuggerScriptedConsoleCommandJob::scheduleCommand(
 void QScriptDebuggerScriptedConsoleCommandJob::start()
 {
     Q_D(QScriptDebuggerScriptedConsoleCommandJob);
-    QScriptEngine *engine = d->command->engine;
+    QScriptEngine *engine = d->command->globalObject.engine();
+    engine->setGlobalObject(d->command->globalObject);
     QScriptValueList args;
     for (int i = 0; i < d->arguments.size(); ++i)
         args.append(QScriptValue(engine, d->arguments.at(i)));
@@ -435,12 +224,13 @@ void QScriptDebuggerScriptedConsoleCommandJob::handleResponse(
 {
     Q_D(QScriptDebuggerScriptedConsoleCommandJob);
     // ### generalize
-    QScriptEngine *engine = d->command->engine;
+    QScriptEngine *engine = d->command->globalObject.engine();
+    engine->setGlobalObject(d->command->globalObject);
     QScriptValueList args;
     args.append(qScriptValueFromValue(engine, response));
     args.append(QScriptValue(engine, commandId));
     QScriptDebuggerConsoleGlobalObject *global;
-    global = qobject_cast<QScriptDebuggerConsoleGlobalObject*>(engine->globalObject().toQObject());
+    global = qobject_cast<QScriptDebuggerConsoleGlobalObject*>(d->command->globalObject.toQObject());
     Q_ASSERT(global != 0);
     global->setScheduler(this);
     global->setResponseHandler(this);
@@ -551,9 +341,8 @@ QScriptDebuggerConsoleCommandJob *QScriptDebuggerScriptedConsoleCommand::createJ
 */
 QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::parse(
     const QString &program, const QString &fileName,
-    QScriptMessageHandlerInterface *messageHandler)
+    QScriptEngine *engine, QScriptMessageHandlerInterface *messageHandler)
 {
-    QScriptEngine *engine = new QScriptEngine();
     // create a custom global object
     QScriptDebuggerConsoleGlobalObject *cppGlobal = new QScriptDebuggerConsoleGlobalObject();
     QScriptValue global = engine->newQObject(cppGlobal,
@@ -574,14 +363,12 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
     if (engine->hasUncaughtException()) {
         messageHandler->message(QtCriticalMsg, ret.toString(), fileName,
                                 engine->uncaughtExceptionLineNumber());
-        delete engine;
         return 0;
     }
 
     QScriptValue name = global.property(QLatin1String("name"));
     if (!name.isString()) {
         messageHandler->message(QtCriticalMsg, QLatin1String("command definition lacks a name"), fileName);
-        delete engine;
         return 0;
     }
     QString nameStr = name.toString();
@@ -590,7 +377,6 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
     if (!group.isString()) {
         messageHandler->message(QtCriticalMsg, QString::fromLatin1("definition of command \"%0\" lacks a group name")
                                 .arg(nameStr), fileName);
-        delete engine;
         return 0;
     }
     QString groupStr = group.toString();
@@ -599,7 +385,6 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
     if (!shortDesc.isString()) {
         messageHandler->message(QtCriticalMsg, QString::fromLatin1("definition of command \"%0\" lacks shortDescription")
                                 .arg(nameStr), fileName);
-        delete engine;
         return 0;
     }
     QString shortDescStr = shortDesc.toString();
@@ -608,7 +393,6 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
     if (!longDesc.isString()) {
         messageHandler->message(QtCriticalMsg, QString::fromLatin1("definition of command \"%0\" lacks longDescription")
                                 .arg(nameStr), fileName);
-        delete engine;
         return 0;
     }
     QString longDescStr = longDesc.toString();
@@ -629,7 +413,6 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
     if (!execFunction.isFunction()) {
         messageHandler->message(QtCriticalMsg, QString::fromLatin1("definition of command \"%0\" lacks execute() function")
                                 .arg(nameStr), fileName);
-        delete engine;
         return 0;
     }
 
@@ -640,7 +423,7 @@ QScriptDebuggerScriptedConsoleCommand *QScriptDebuggerScriptedConsoleCommand::pa
         shortDescStr, longDescStr,
         aliases, seeAlso,
         argTypes, subCommands,
-        execFunction, responseFunction);
+        global, execFunction, responseFunction);
     return result;
 }
 
diff --git a/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand_p.h b/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand_p.h
index 1536de2e1f..2b2b3f8f07 100644
--- a/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand_p.h
+++ b/src/scripttools/debugging/qscriptdebuggerscriptedconsolecommand_p.h
@@ -57,6 +57,7 @@
 
 QT_BEGIN_NAMESPACE
 
+class QScriptEngine;
 class QScriptValue;
 
 class QScriptDebuggerScriptedConsoleCommandPrivate;
@@ -72,6 +73,7 @@ protected:
                                           const QStringList &seeAlso,
                                           const QStringList &argumentTypes,
                                           const QStringList &subCommands,
+                                          const QScriptValue &globalObject,
                                           const QScriptValue &execFunction,
                                           const QScriptValue &responseFunction);
 public:
@@ -79,7 +81,7 @@ public:
 
     static QScriptDebuggerScriptedConsoleCommand *parse(
         const QString &program, const QString &fileName,
-        QScriptMessageHandlerInterface *messageHandler);
+        QScriptEngine *engine, QScriptMessageHandlerInterface *messageHandler);
 
     QString name() const;
     QString group() const;
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp
index 4d3663e449..6b826928e7 100644
--- a/src/sql/drivers/odbc/qsql_odbc.cpp
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp
@@ -62,13 +62,6 @@ QT_BEGIN_NAMESPACE
 // undefine this to prevent initial check of the ODBC driver
 #define ODBC_CHECK_DRIVER
 
-#if defined(Q_ODBC_VERSION_2)
-//crude hack to get non-unicode capable driver managers to work
-# undef UNICODE
-# define SQLTCHAR SQLCHAR
-# define SQL_C_WCHAR SQL_C_CHAR
-#endif
-
 // newer platform SDKs use SQLLEN instead of SQLINTEGER
 #if defined(WIN32) && (_MSC_VER < 1300)
 # define QSQLLEN SQLINTEGER
@@ -299,13 +292,11 @@ static QVariant::Type qDecodeODBCType(SQLSMALLINT sqltype, const T* p, bool isSi
     case SQL_TYPE_TIMESTAMP:
         type = QVariant::DateTime;
         break;
-#ifndef Q_ODBC_VERSION_2
     case SQL_WCHAR:
     case SQL_WVARCHAR:
     case SQL_WLONGVARCHAR:
         type = QVariant::String;
         break;
-#endif
     case SQL_CHAR:
     case SQL_VARCHAR:
     case SQL_GUID:
@@ -578,10 +569,8 @@ static QSqlField qMakeFieldInfo(const QODBCPrivate* p, int i )
 
 static int qGetODBCVersion(const QString &connOpts)
 {
-#ifndef Q_ODBC_VERSION_2
     if (connOpts.contains(QLatin1String("SQL_ATTR_ODBC_VERSION=SQL_OV_ODBC3"), Qt::CaseInsensitive))
         return SQL_OV_ODBC3;
-#endif
     return SQL_OV_ODBC2;
 }
 
@@ -680,7 +669,6 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts)
                 continue;
             }
             r = SQLSetConnectAttr(hDbc, SQL_ATTR_TRACE, (SQLPOINTER) v, 0);
-#ifndef Q_ODBC_VERSION_2
         } else if (opt.toUpper() == QLatin1String("SQL_ATTR_CONNECTION_POOLING")) {
             if (val == QLatin1String("SQL_CP_OFF"))
                 v = SQL_CP_OFF;
@@ -707,7 +695,6 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts)
                 continue;
             }
             r = SQLSetConnectAttr(hDbc, SQL_ATTR_CP_MATCH, (SQLPOINTER)v, 0);
-#endif
         } else if (opt.toUpper() == QLatin1String("SQL_ATTR_ODBC_VERSION")) {
             // Already handled in QODBCDriver::open()
             continue;
@@ -1436,7 +1423,6 @@ bool QODBCResult::exec()
                                       *ind == SQL_NULL_DATA ? ind : NULL);
                 break;
             case QVariant::String:
-#ifndef Q_ODBC_VERSION_2
                 if (d->unicode) {
                     QString str = val.toString();
                     int strSize = str.length() * sizeof(wchar_t);
@@ -1479,7 +1465,6 @@ bool QODBCResult::exec()
                     break;
                 }
                 else
-#endif
                 {
                     QByteArray str = val.toString().toAscii();
                     if (*ind != SQL_NULL_DATA)
@@ -1887,11 +1872,6 @@ void QODBCDriver::cleanup()
 // as two byte unicode characters
 void QODBCDriverPrivate::checkUnicode()
 {
-#if defined(Q_ODBC_VERSION_2)
-    unicode = false;
-    return;
-#endif
-
     SQLRETURN   r;
     SQLUINTEGER fFunc;
 
diff --git a/src/sql/drivers/odbc/qsql_odbc.h b/src/sql/drivers/odbc/qsql_odbc.h
index 145a902458..836dbd6ba0 100644
--- a/src/sql/drivers/odbc/qsql_odbc.h
+++ b/src/sql/drivers/odbc/qsql_odbc.h
@@ -49,13 +49,6 @@
 #include <QtCore/qt_windows.h>
 #endif
 
-#if defined (Q_OS_MAC) && (MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3)
-// assume we use iodbc on MACX
-// comment next line out if you use a
-// unicode compatible manager
-# define Q_ODBC_VERSION_2
-#endif
-
 #ifdef QT_PLUGIN
 #define Q_EXPORT_SQLDRIVER_ODBC
 #else
@@ -75,10 +68,7 @@
 #  undef _MSC_VER
 #endif
 
-#ifndef Q_ODBC_VERSION_2
 #include <sqlucode.h>
-#endif
-
 #include <sqlext.h>
 
 QT_BEGIN_HEADER
diff --git a/src/testlib/qbenchmark.cpp b/src/testlib/qbenchmark.cpp
index 4ccbee691b..52b5287b91 100644
--- a/src/testlib/qbenchmark.cpp
+++ b/src/testlib/qbenchmark.cpp
@@ -41,6 +41,7 @@
 
 #include "QtTest/qbenchmark.h"
 #include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 
 #ifdef QT_GUI_LIB
 #include <QtGui/qapplication.h>
@@ -138,7 +139,7 @@ void QBenchmarkTestMethodData::endDataRun()
 
 int QBenchmarkTestMethodData::adjustIterationCount(int suggestion)
 {
-    // Let the -iteration-count option override the measurer.
+    // Let the -iterations option override the measurer.
     if (QBenchmarkGlobalData::current->iterationCount != -1) {
         iterationCount = QBenchmarkGlobalData::current->iterationCount;
     } else {
@@ -148,12 +149,13 @@ int QBenchmarkTestMethodData::adjustIterationCount(int suggestion)
     return iterationCount;
 }
 
-void QBenchmarkTestMethodData::setResult(qint64 value)
+void QBenchmarkTestMethodData::setResult(
+    qreal value, QTest::QBenchmarkMetric metric, bool setByMacro)
 {
     bool accepted = false;
 
     // Always accept the result if the iteration count has been
-    // specified on the command line with -iteartion-count.
+    // specified on the command line with -iterations.
     if (QBenchmarkGlobalData::current->iterationCount != -1)
         accepted = true;
 
@@ -161,7 +163,7 @@ void QBenchmarkTestMethodData::setResult(qint64 value)
         iterationCount = 1;
         accepted = true;
     }
-    
+
     // Test the result directly without calling the measurer if the minimum time 
     // has been specifed on the command line with -minimumvalue.
     else if (QBenchmarkGlobalData::current->walltimeMinimum != -1)
@@ -175,8 +177,8 @@ void QBenchmarkTestMethodData::setResult(qint64 value)
     else
         iterationCount *= 2;
 
-    this->result = 
-        QBenchmarkResult(QBenchmarkGlobalData::current->context, value, iterationCount);
+    this->result = QBenchmarkResult(
+        QBenchmarkGlobalData::current->context, value, iterationCount, metric, setByMacro);
 }
 
 /*!
@@ -208,7 +210,8 @@ QTest::QBenchmarkIterationController::QBenchmarkIterationController()
 */
 QTest::QBenchmarkIterationController::~QBenchmarkIterationController()
 {
-    QBenchmarkTestMethodData::current->setResult(QTest::endBenchmarkMeasurement());
+    const qreal result = QTest::endBenchmarkMeasurement();
+    QBenchmarkTestMethodData::current->setResult(result, QBenchmarkGlobalData::current->measurer->metricType());
 }
 
 /*! \internal
@@ -259,28 +262,32 @@ void QTest::beginBenchmarkMeasurement()
 
 /*! \internal
 */
-qint64 QTest::endBenchmarkMeasurement()
+quint64 QTest::endBenchmarkMeasurement()
 {
     // the clock is ticking before the line below, don't add code here.
     return QBenchmarkGlobalData::current->measurer->stop();    
 }
 
-/*! \internal
-*/
-void QTest::setResult(qint64 result)
-{
-    QBenchmarkTestMethodData::current->setResult(result);
-}
-
-/*! \internal
+/*!
+    Sets the benchmark result for this test function to \a result.
+ 
+    Use this function if you want to report benchmark results without
+    using the QBENCHMARK macro. Use \a metric to specify how QTestLib
+    should interpret the results.
+ 
+    The context for the result will be the test function name and any
+    data tag from the _data function. This function can only be called
+    once in each test function, subsequent calls will replace the
+    earlier reported results.
+
+    Note that the -iterations command line argument has no effect
+    on test functions without the QBENCHMARK macro.
+
+    \since 4.7
 */
-void QTest::setResult(const QString &tag, qint64 result)
+void QTest::setBenchmarkResult(qreal result, QTest::QBenchmarkMetric metric)
 {
-    QBenchmarkContext context = QBenchmarkGlobalData::current->context;
-    context.tag = tag;
-    QBenchmarkTestMethodData::current->result = 
-        QBenchmarkResult( context, result,
-            QBenchmarkTestMethodData::current->iterationCount);
+    QBenchmarkTestMethodData::current->setResult(result, metric, false);
 }
 
 template <typename T>
@@ -298,6 +305,4 @@ Q_TYPENAME T::value_type qAverage(const T &container)
     return acc / count;
 }
 
-
 QT_END_NAMESPACE
-
diff --git a/src/testlib/qbenchmark.h b/src/testlib/qbenchmark.h
index 0207b5bcc1..38a0e52352 100644
--- a/src/testlib/qbenchmark.h
+++ b/src/testlib/qbenchmark.h
@@ -43,6 +43,7 @@
 #define QBENCHMARK_H
 
 #include <QtTest/qtest_global.h>
+#include <QtTest/private/qbenchmarkmetric_p.h>
 
 QT_BEGIN_HEADER
 
@@ -75,6 +76,8 @@ public:
 
 }
 
+// --- BEGIN public API ---
+
 #define QBENCHMARK \
     for (QTest::QBenchmarkIterationController __iteration_controller; \
             __iteration_controller.isDone() == false; __iteration_controller.next())
@@ -83,6 +86,13 @@ public:
     for (QTest::QBenchmarkIterationController __iteration_controller(QTest::QBenchmarkIterationController::RunOnce); \
             __iteration_controller.isDone() == false; __iteration_controller.next())
 
+namespace QTest
+{
+    void Q_TESTLIB_EXPORT setBenchmarkResult(qreal result, QBenchmarkMetric metric);
+}
+
+// --- END public API ---
+
 QT_END_NAMESPACE
 
 QT_END_HEADER
diff --git a/src/testlib/qbenchmark_p.h b/src/testlib/qbenchmark_p.h
index 0d6542fecb..50329e1775 100644
--- a/src/testlib/qbenchmark_p.h
+++ b/src/testlib/qbenchmark_p.h
@@ -42,6 +42,8 @@
 #ifndef QBENCHMARK_P_H
 #define QBENCHMARK_P_H
 
+#include <stdlib.h>
+
 //
 //  W A R N I N G
 //  -------------
@@ -68,6 +70,7 @@
 #include "QtTest/private/qbenchmarkvalgrind_p.h"
 #endif
 #include "QtTest/private/qbenchmarkevent_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -92,23 +95,29 @@ class QBenchmarkResult
 {
 public:
     QBenchmarkContext context;
-    qint64 value;
+    qreal value;
     int iterations;
+    QTest::QBenchmarkMetric metric;
+    bool setByMacro;
     bool valid;
 
     QBenchmarkResult()
     : value(-1)
     , iterations(-1)
+    , setByMacro(true)
     , valid(false)
-    {  }
+    { }
 
-    QBenchmarkResult(const QBenchmarkContext &context, const qint64 value, const int iterations)
+    QBenchmarkResult(
+        const QBenchmarkContext &context, const qreal value, const int iterations,
+        QTest::QBenchmarkMetric metric, bool setByMacro)
         : context(context)
         , value(value)
         , iterations(iterations)
+        , metric(metric)
+        , setByMacro(setByMacro)
         , valid(true)
-    {
-    }
+    { }
 
     bool operator<(const QBenchmarkResult &other) const 
     {
@@ -167,7 +176,7 @@ public:
     bool isBenchmark() const { return result.valid; }
     bool resultsAccepted() const { return resultAccepted; }
     int adjustIterationCount(int suggestion);
-    void setResult(qint64 value);
+    void setResult(qreal value, QTest::QBenchmarkMetric metric, bool setByMacro = true);
 
     QBenchmarkResult result;
     bool resultAccepted;
@@ -183,10 +192,7 @@ namespace QTest
     void setIterationCount(int count);
 
     Q_TESTLIB_EXPORT void beginBenchmarkMeasurement();
-    Q_TESTLIB_EXPORT qint64 endBenchmarkMeasurement();
-
-    void setResult(qint64 result);
-    void setResult(const QString &tag, qint64 result);
+    Q_TESTLIB_EXPORT quint64 endBenchmarkMeasurement();
 }
 
 QT_END_NAMESPACE
diff --git a/src/testlib/qbenchmarkevent.cpp b/src/testlib/qbenchmarkevent.cpp
index 9c6709692e..39eb1c53eb 100644
--- a/src/testlib/qbenchmarkevent.cpp
+++ b/src/testlib/qbenchmarkevent.cpp
@@ -41,6 +41,7 @@
 
 #include "QtTest/private/qbenchmarkevent_p.h"
 #include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 #include <qdebug.h>
 
 QT_BEGIN_NAMESPACE
@@ -91,14 +92,9 @@ int QBenchmarkEvent::adjustMedianCount(int suggestion)
     return 1;
 }
 
-QString QBenchmarkEvent::unitText()
+QTest::QBenchmarkMetric QBenchmarkEvent::metricType()
 {
-    return QLatin1String("events");
-}
-
-QString QBenchmarkEvent::metricText()
-{
-    return QLatin1String("events");
+    return QTest::Events;
 }
 
 // This could be done in a much better way, this is just the beginning.
diff --git a/src/testlib/qbenchmarkevent_p.h b/src/testlib/qbenchmarkevent_p.h
index 1a48964e97..5e13b9fc5e 100644
--- a/src/testlib/qbenchmarkevent_p.h
+++ b/src/testlib/qbenchmarkevent_p.h
@@ -70,8 +70,7 @@ public:
     int adjustIterationCount(int suggestion);
     int adjustMedianCount(int suggestion);
     bool repeatCount() { return 1; } 
-    QString unitText();
-    QString metricText();
+    QTest::QBenchmarkMetric metricType();
     static bool eventCountingMechanism(void *message);
     static qint64 eventCounter;
 };
diff --git a/src/testlib/qbenchmarkmeasurement.cpp b/src/testlib/qbenchmarkmeasurement.cpp
index 836d85fbcc..c03cbff2ac 100644
--- a/src/testlib/qbenchmarkmeasurement.cpp
+++ b/src/testlib/qbenchmarkmeasurement.cpp
@@ -41,6 +41,8 @@
 
 #include "QtTest/private/qbenchmarkmeasurement_p.h"
 #include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
+#include "qbenchmark.h"
 #include <qdebug.h>
 
 QT_BEGIN_NAMESPACE
@@ -77,14 +79,9 @@ int QBenchmarkTimeMeasurer::adjustMedianCount(int)
     return 1; 
 }
 
-QString QBenchmarkTimeMeasurer::unitText()
+QTest::QBenchmarkMetric QBenchmarkTimeMeasurer::metricType()
 {
-    return QLatin1String("msec");
-}
-
-QString QBenchmarkTimeMeasurer::metricText()
-{
-    return QLatin1String("walltime");
+    return QTest::WalltimeMilliseconds;
 }
 
 #ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
@@ -126,14 +123,9 @@ bool QBenchmarkTickMeasurer::needsWarmupIteration()
     return true; 
 }
 
-QString QBenchmarkTickMeasurer::unitText()
-{
-    return QLatin1String("ticks");
-}
-
-QString QBenchmarkTickMeasurer::metricText()
+QTest::QBenchmarkMetric QBenchmarkTickMeasurer::metricType()
 {
-    return QLatin1String("cputicks");
+    return QTest::CPUTicks;
 }
 
 #endif
diff --git a/src/testlib/qbenchmarkmeasurement_p.h b/src/testlib/qbenchmarkmeasurement_p.h
index 6f3c0343f5..8ad36134c7 100644
--- a/src/testlib/qbenchmarkmeasurement_p.h
+++ b/src/testlib/qbenchmarkmeasurement_p.h
@@ -55,6 +55,7 @@
 
 #include <QtCore/qdatetime.h>
 #include "3rdparty/cycle_p.h"
+#include "qbenchmark.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -71,8 +72,7 @@ public:
     virtual int adjustMedianCount(int suggestion) = 0;
     virtual bool repeatCount() { return 1; } 
     virtual bool needsWarmupIteration() { return false; } 
-    virtual QString unitText() = 0;
-    virtual QString metricText() = 0;
+    virtual QTest::QBenchmarkMetric metricType() = 0;
 };
 
 class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
@@ -84,8 +84,7 @@ public:
     bool isMeasurementAccepted(qint64 measurement);
     int adjustIterationCount(int sugestion);
     int adjustMedianCount(int suggestion);
-    QString unitText();
-    QString metricText();
+    QTest::QBenchmarkMetric metricType();
 private:
     QTime time;
 };
@@ -102,8 +101,7 @@ public:
     int adjustIterationCount(int);
     int adjustMedianCount(int suggestion);
     bool needsWarmupIteration();
-    QString unitText();
-    QString metricText();
+    QTest::QBenchmarkMetric metricType();
 private:
     CycleCounterTicks startTicks;
 };
diff --git a/src/testlib/qbenchmarkmetric.cpp b/src/testlib/qbenchmarkmetric.cpp
new file mode 100644
index 0000000000..7356134096
--- /dev/null
+++ b/src/testlib/qbenchmarkmetric.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/private/qbenchmarkmetric_p.h>
+
+/*!
+  \enum QTest::QBenchmarkMetric
+  \since 4.7
+
+  This enum lists all the things that can be benchmarked.
+  
+  \value FramesPerSecond        Frames per second
+  \value BitsPerSecond          Bits per second
+  \value BytesPerSecond         Bytes per second
+  \value WalltimeMilliseconds   Clock time in milliseconds
+  \value CPUTicks               CPU time
+  \value InstructionReads       Instruction reads
+  \value Events                 Event count
+
+  \sa QTest::benchmarkMetricName(), QTest::benchmarkMetricUnit()
+
+ */
+
+/*!
+  \relates QTest
+  \since 4.7
+  Returns the enum value \a metric as a character string.
+ */
+const char * QTest::benchmarkMetricName(QBenchmarkMetric metric)
+{
+    switch (metric) {
+    case FramesPerSecond:
+        return "FramesPerSecond";
+    case BitsPerSecond:
+        return "BitsPerSecond";
+    case BytesPerSecond:
+        return "BytesPerSecond";
+    case WalltimeMilliseconds:
+        return "WalltimeMilliseconds";
+    case CPUTicks:
+        return "CPUTicks";
+    case InstructionReads:
+        return "InstructionReads";
+    case Events:
+        return "Events";
+    default:
+        return "";
+    }
+};
+
+/*!
+  \relates QTest
+  \since 4.7
+  Retuns the units of measure for the specified \a metric.
+ */
+const char * QTest::benchmarkMetricUnit(QBenchmarkMetric metric)
+{
+    switch (metric) {
+    case FramesPerSecond:
+        return "fps";
+    case BitsPerSecond:
+        return "bits/s";
+    case BytesPerSecond:
+        return "bytes/s";
+    case WalltimeMilliseconds:
+        return "msecs";
+    case CPUTicks:
+        return "CPU ticks";
+    case InstructionReads:
+        return "instruction reads";
+    case Events:
+        return "events";
+    default:
+        return "";
+    }
+}
+
diff --git a/src/testlib/qbenchmarkmetric.h b/src/testlib/qbenchmarkmetric.h
new file mode 100644
index 0000000000..302c1aadf0
--- /dev/null
+++ b/src/testlib/qbenchmarkmetric.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBENCHMARKMETRIC_H
+#define QBENCHMARKMETRIC_H
+
+#include <QtTest/qtest_global.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Test)
+
+namespace QTest {
+
+enum QBenchmarkMetric {
+    FramesPerSecond,
+    BitsPerSecond,
+    BytesPerSecond,
+    WalltimeMilliseconds,
+    CPUTicks,
+    InstructionReads,
+    Events
+};
+
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBENCHMARK_H
diff --git a/src/testlib/qbenchmarkmetric_p.h b/src/testlib/qbenchmarkmetric_p.h
new file mode 100644
index 0000000000..c919d2e5ba
--- /dev/null
+++ b/src/testlib/qbenchmarkmetric_p.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBENCHMARKMETRIC_P_H
+#define QBENCHMARKMETRIC_P_H
+
+#include <QtTest/qtest_global.h>
+#include <QtTest/qbenchmarkmetric.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Test)
+
+namespace QTest {
+    const char * benchmarkMetricName(QBenchmarkMetric metric);
+    const char * benchmarkMetricUnit(QBenchmarkMetric metric);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBENCHMARK_H
diff --git a/src/testlib/qbenchmarkvalgrind.cpp b/src/testlib/qbenchmarkvalgrind.cpp
index 264774ea30..8c64c0be9c 100644
--- a/src/testlib/qbenchmarkvalgrind.cpp
+++ b/src/testlib/qbenchmarkvalgrind.cpp
@@ -263,14 +263,9 @@ bool QBenchmarkCallgrindMeasurer::needsWarmupIteration()
     return true;
 }
 
-QString QBenchmarkCallgrindMeasurer::unitText()
+QTest::QBenchmarkMetric QBenchmarkCallgrindMeasurer::metricType()
 {
-    return QLatin1String("instr. loads");
-}
-
-QString QBenchmarkCallgrindMeasurer::metricText()
-{
-    return QLatin1String("callgrind");
+    return QTest::InstructionReads;
 }
 
 QT_END_NAMESPACE
diff --git a/src/testlib/qbenchmarkvalgrind_p.h b/src/testlib/qbenchmarkvalgrind_p.h
index 754fe3d6df..7b6893b56f 100644
--- a/src/testlib/qbenchmarkvalgrind_p.h
+++ b/src/testlib/qbenchmarkvalgrind_p.h
@@ -54,6 +54,7 @@
 //
 
 #include "QtTest/private/qbenchmarkmeasurement_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 #include <QtCore/qmap.h>
 #include <QtCore/qstring.h>
 
@@ -84,8 +85,7 @@ public:
     int adjustIterationCount(int);
     int adjustMedianCount(int);
     bool needsWarmupIteration();
-    QString unitText();
-    QString metricText();
+    QTest::QBenchmarkMetric metricType();
 };
 
 QT_END_NAMESPACE
diff --git a/src/testlib/qplaintestlogger.cpp b/src/testlib/qplaintestlogger.cpp
index 0888cfc769..46431a8586 100644
--- a/src/testlib/qplaintestlogger.cpp
+++ b/src/testlib/qplaintestlogger.cpp
@@ -44,6 +44,7 @@
 #include "QtTest/private/qtestlog_p.h"
 #include "QtTest/private/qplaintestlogger_p.h"
 #include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 
 #include <stdarg.h>
 #include <stdio.h>
@@ -324,7 +325,6 @@ namespace QTest {
             QTestResult::currentTestObjectName(),
             result.context.slotName.toAscii().data());
 
-
         char bufTag[1024];
         bufTag[0] = 0;
         QByteArray tag = result.context.tag.toAscii();
@@ -340,32 +340,43 @@ namespace QTest {
         char fill[1024];
         QTest::qt_snprintf(fill, sizeof(fill), fillFormat, "");
 
-
-        QByteArray unitText = QBenchmarkGlobalData::current->measurer->unitText().toAscii();
+        const char * unitText = QTest::benchmarkMetricUnit(result.metric);
 
         qreal valuePerIteration = qreal(result.value) / qreal(result.iterations);
         char resultBuffer[100] = "";
         formatResult(resultBuffer, 100, valuePerIteration, countSignificantDigits(result.value));
 
-        QByteArray iterationText = "per iteration";
-
         char buf2[1024];
-        Q_ASSERT(result.iterations > 0);
         QTest::qt_snprintf(
-            buf2, sizeof(buf2), "%s %s %s",
+            buf2, sizeof(buf2), "%s %s",
             resultBuffer,
-            unitText.data(),
+            unitText);
+
+        char buf2_[1024];
+        QByteArray iterationText = " per iteration";
+        Q_ASSERT(result.iterations > 0);
+        QTest::qt_snprintf(
+            buf2_,
+            sizeof(buf2_), "%s",
             iterationText.data());
 
         char buf3[1024];
         Q_ASSERT(result.iterations > 0);
+        formatResult(resultBuffer, 100, result.value, countSignificantDigits(result.value));
         QTest::qt_snprintf(
-            buf3, sizeof(buf3), " (total: %s, iterations: %d)\n",
-            QByteArray::number(result.value).constData(), // no 64-bit qt_snprintf support
+            buf3, sizeof(buf3), " (total: %s, iterations: %d)",
+            resultBuffer,
             result.iterations);
 
         char buf[1024];
-        QTest::qt_snprintf(buf, sizeof(buf), "%s%s%s%s%s", buf1, bufTag, fill, buf2, buf3);
+
+        if (result.setByMacro) {
+            QTest::qt_snprintf(
+                buf, sizeof(buf), "%s%s%s%s%s%s\n", buf1, bufTag, fill, buf2, buf2_, buf3);
+        } else {
+            QTest::qt_snprintf(buf, sizeof(buf), "%s%s%s%s\n", buf1, bufTag, fill, buf2);
+        }
+
         memcpy(buf, bmtag, strlen(bmtag));
         outputMessage(buf);
     }
diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
index ecdcca8312..40daecb295 100644
--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -846,6 +846,9 @@ namespace QTest
     static int mouseDelay = -1;
     static int eventDelay = -1;
     static int keyVerbose = -1;
+#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
+    static bool noCrashHandler = false;
+#endif
 
 void filter_unprintable(char *str)
 {
@@ -976,6 +979,9 @@ static void qParseArgs(int argc, char *argv[])
          " -keyevent-verbose : Turn on verbose messages for keyboard simulation\n"
          " -maxwarnings n    : Sets the maximum amount of messages to output.\n"
          "                     0 means unlimited, default: 2000\n"
+#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
+         " -nocrashhandler   : Disables the crash handler\n"
+#endif
          "\n"
          " Benchmark related options:\n"
 #ifdef QTESTLIB_USE_VALGRIND
@@ -1056,6 +1062,10 @@ static void qParseArgs(int argc, char *argv[])
             } else {
                 QTestLog::setMaxWarnings(qToInt(argv[++i]));
             }
+#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
+        } else if (strcmp(argv[i], "-nocrashhandler") == 0) {
+            QTest::noCrashHandler = true;
+#endif
         } else if (strcmp(argv[i], "-keyevent-verbose") == 0) {
             QTest::keyVerbose = 1;
 #ifdef QTESTLIB_USE_VALGRIND
@@ -1661,7 +1671,9 @@ int QTest::qExec(QObject *testObject, int argc, char **argv)
 #endif
     {
 #if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
-        FatalSignalHandler handler;
+        QScopedPointer<FatalSignalHandler> handler;
+        if (!noCrashHandler)
+            handler.reset(new FatalSignalHandler);
 #endif
         qInvokeTestMethods(testObject);
     }
diff --git a/src/testlib/qtestcoreelement.h b/src/testlib/qtestcoreelement.h
index e1ad44a731..4738f7de70 100644
--- a/src/testlib/qtestcoreelement.h
+++ b/src/testlib/qtestcoreelement.h
@@ -45,6 +45,8 @@
 #include <QtTest/qtestcorelist.h>
 #include <QtTest/qtestelementattribute.h>
 
+#include <cstdlib>
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -93,6 +95,9 @@ void QTestCoreElement<ElementType>::addAttribute(const QTest::AttributeIndex att
     if (attribute(attributeIndex))
         return;
 
+    // if (attributeIndex == QTest::AI_Metric)
+    //     abort();
+
     QTestElementAttribute *testAttribute = new QTestElementAttribute;
     testAttribute->setPair(attributeIndex, value);
     testAttribute->addToList(&listOfAttributes);
diff --git a/src/testlib/qtestlogger.cpp b/src/testlib/qtestlogger.cpp
index c0bc26c4c9..6c76388397 100644
--- a/src/testlib/qtestlogger.cpp
+++ b/src/testlib/qtestlogger.cpp
@@ -267,7 +267,9 @@ void QTestLogger::addBenchmarkResult(const QBenchmarkResult &result)
     QTestElement *benchmarkElement = new QTestElement(QTest::LET_Benchmark);
 //    printf("element %i", benchmarkElement->elementType());
 
-    benchmarkElement->addAttribute(QTest::AI_Metric, QBenchmarkGlobalData::current->measurer->metricText().toAscii().data());
+    benchmarkElement->addAttribute(
+        QTest::AI_Metric,
+        QTest::benchmarkMetricName(QBenchmarkTestMethodData::current->result.metric));
     benchmarkElement->addAttribute(QTest::AI_Tag, result.context.tag.toAscii().data());
     benchmarkElement->addAttribute(QTest::AI_Value, QByteArray::number(result.value).constData());
 
diff --git a/src/testlib/qxmltestlogger.cpp b/src/testlib/qxmltestlogger.cpp
index 13103f3bfb..2236666571 100644
--- a/src/testlib/qxmltestlogger.cpp
+++ b/src/testlib/qxmltestlogger.cpp
@@ -46,6 +46,7 @@
 #include "QtTest/private/qxmltestlogger_p.h"
 #include "QtTest/private/qtestresult_p.h"
 #include "QtTest/private/qbenchmark_p.h"
+#include "QtTest/private/qbenchmarkmetric_p.h"
 #include "QtTest/qtestcase.h"
 
 QT_BEGIN_NAMESPACE
@@ -243,7 +244,7 @@ void QXmlTestLogger::addBenchmarkResult(const QBenchmarkResult &result)
     QTestCharBuffer quotedTag;
 
     xmlQuote(&quotedMetric,
-        QBenchmarkGlobalData::current->measurer->metricText().toAscii().constData());
+        benchmarkMetricUnit(result.metric));
     xmlQuote(&quotedTag, result.context.tag.toAscii().constData());
 
     QTest::qt_asprintf(
diff --git a/src/testlib/testlib.pro b/src/testlib/testlib.pro
index f68ff3584e..a8186d820e 100644
--- a/src/testlib/testlib.pro
+++ b/src/testlib/testlib.pro
@@ -47,6 +47,7 @@ SOURCES = qtestcase.cpp \
     qbenchmarkmeasurement.cpp \
     qbenchmarkvalgrind.cpp \
     qbenchmarkevent.cpp \
+    qbenchmarkmetric.cpp \
     qtestelement.cpp \
     qtestelementattribute.cpp \
     qtestbasicstreamer.cpp \
diff --git a/src/tools/moc/generator.cpp b/src/tools/moc/generator.cpp
index 982d95f576..6729c62ba5 100644
--- a/src/tools/moc/generator.cpp
+++ b/src/tools/moc/generator.cpp
@@ -173,7 +173,7 @@ void Generator::generateCode()
     int index = 14;
     fprintf(out, "static const uint qt_meta_data_%s[] = {\n", qualifiedClassNameIdentifier.constData());
     fprintf(out, "\n // content:\n");
-    fprintf(out, "    %4d,       // revision\n", 4);
+    fprintf(out, "    %4d,       // revision\n", 5);
     fprintf(out, "    %4d,       // classname\n", strreg(cdef->qualified));
     fprintf(out, "    %4d, %4d, // classinfo\n", cdef->classInfoList.count(), cdef->classInfoList.count() ? index : 0);
     index += cdef->classInfoList.count() * 2;
diff --git a/src/xmlpatterns/type/qprimitives_p.h b/src/xmlpatterns/type/qprimitives_p.h
index 1090f7f8a8..c378a66363 100644
--- a/src/xmlpatterns/type/qprimitives_p.h
+++ b/src/xmlpatterns/type/qprimitives_p.h
@@ -79,18 +79,6 @@ class QString;
  */
 namespace QPatternist
 {
-
-    /**
-     * @internal
-     *
-     * A method to allow a QHash or QSet with QUrl
-     * as key type.
-     */
-    inline uint qHash(const QUrl &uri)
-    {
-        return qHash(uri.toString());
-    }
-
     /**
      * @defgroup Patternist_cppWXSTypes C++ Primitives for W3C XML Schema Number Types
      *
@@ -208,8 +196,6 @@ namespace QPatternist
     QString Q_AUTOTEST_EXPORT escape(const QString &input);
 }
 
-using QPatternist::qHash;
-
 QT_END_NAMESPACE
 
 QT_END_HEADER