Merge remote-tracking branch 'origin/5.3' into 5.4

Manually included changes from
3a347a4e70e5a10ee92dd2578316c926a399e894
in src/opengl/qgl.cpp.

Conflicts:
	src/opengl/qgl_qpa.cpp
	src/plugins/platforms/android/androidjnimain.cpp

Change-Id: Ic26b58ee587d4884c9d0fba45c5a94b5a45ee929

34 files changed, 469 insertions, 145 deletions

diff --git a/src/3rdparty/pcre/patches/pcre-r1495.patch b/src/3rdparty/pcre/patches/pcre-r1495.patch
new file mode 100644
index 0000000000..d8b4ce097a
--- /dev/null
+++ b/src/3rdparty/pcre/patches/pcre-r1495.patch
@@ -0,0 +1,23 @@
+Index: pcre_compile.c
+===================================================================
+--- pcre_compile.c	(revision 1494)
++++ pcre_compile.c	(revision 1495)
+@@ -8267,12 +8267,16 @@
+ 
+     /* If it was a capturing subpattern, check to see if it contained any
+     recursive back references. If so, we must wrap it in atomic brackets.
+-    In any event, remove the block from the chain. */
++    Because we are moving code along, we must ensure that any pending recursive
++    references are updated. In any event, remove the block from the chain. */
+ 
+     if (capnumber > 0)
+       {
+       if (cd->open_caps->flag)
+         {
++        *code = OP_END;
++        adjust_recurse(start_bracket, 1 + LINK_SIZE,
++          (options & PCRE_UTF8) != 0, cd, cd->hwm);
+         memmove(start_bracket + 1 + LINK_SIZE, start_bracket,
+           IN_UCHARS(code - start_bracket));
+         *start_bracket = OP_ONCE;
+
diff --git a/src/3rdparty/pcre/patches/pcre-r1498.patch b/src/3rdparty/pcre/patches/pcre-r1498.patch
new file mode 100644
index 0000000000..8ae48a4336
--- /dev/null
+++ b/src/3rdparty/pcre/patches/pcre-r1498.patch
@@ -0,0 +1,45 @@
+Index: pcre_compile.c
+===================================================================
+--- pcre_compile.c	(revision 1497)
++++ pcre_compile.c	(revision 1498)
+@@ -2374,6 +2374,7 @@
+   if (c == OP_RECURSE)
+     {
+     const pcre_uchar *scode = cd->start_code + GET(code, 1);
++    const pcre_uchar *endgroup = scode;
+     BOOL empty_branch;
+ 
+     /* Test for forward reference or uncompleted reference. This is disabled
+@@ -2388,24 +2389,20 @@
+       if (GET(scode, 1) == 0) return TRUE;    /* Unclosed */
+       }
+ 
+-    /* If we are scanning a completed pattern, there are no forward references
+-    and all groups are complete. We need to detect whether this is a recursive
+-    call, as otherwise there will be an infinite loop. If it is a recursion,
+-    just skip over it. Simple recursions are easily detected. For mutual
+-    recursions we keep a chain on the stack. */
++    /* If the reference is to a completed group, we need to detect whether this
++    is a recursive call, as otherwise there will be an infinite loop. If it is
++    a recursion, just skip over it. Simple recursions are easily detected. For
++    mutual recursions we keep a chain on the stack. */
+ 
++    do endgroup += GET(endgroup, 1); while (*endgroup == OP_ALT);
++    if (code >= scode && code <= endgroup) continue;  /* Simple recursion */
+     else
+-      {
++      {  
+       recurse_check *r = recurses;
+-      const pcre_uchar *endgroup = scode;
+-
+-      do endgroup += GET(endgroup, 1); while (*endgroup == OP_ALT);
+-      if (code >= scode && code <= endgroup) continue;  /* Simple recursion */
+-
+       for (r = recurses; r != NULL; r = r->prev)
+         if (r->group == scode) break;
+       if (r != NULL) continue;   /* Mutual recursion */
+-      }
++      } 
+ 
+     /* Completed reference; scan the referenced group, remembering it on the
+     stack chain to detect mutual recursions. */
diff --git a/src/3rdparty/pcre/pcre_compile.c b/src/3rdparty/pcre/pcre_compile.c
index 5ce6b73c44..ce365e2915 100644
--- a/src/3rdparty/pcre/pcre_compile.c
+++ b/src/3rdparty/pcre/pcre_compile.c
@@ -2370,6 +2370,7 @@ for (code = first_significant_code(code + PRIV(OP_lengths)[*code], TRUE);
   if (c == OP_RECURSE)
     {
     const pcre_uchar *scode = cd->start_code + GET(code, 1);
+    const pcre_uchar *endgroup = scode;
     BOOL empty_branch;
 
     /* Test for forward reference or uncompleted reference. This is disabled
@@ -2384,24 +2385,20 @@ for (code = first_significant_code(code + PRIV(OP_lengths)[*code], TRUE);
       if (GET(scode, 1) == 0) return TRUE;    /* Unclosed */
       }
 
-    /* If we are scanning a completed pattern, there are no forward references
-    and all groups are complete. We need to detect whether this is a recursive
-    call, as otherwise there will be an infinite loop. If it is a recursion,
-    just skip over it. Simple recursions are easily detected. For mutual
-    recursions we keep a chain on the stack. */
+    /* If the reference is to a completed group, we need to detect whether this
+    is a recursive call, as otherwise there will be an infinite loop. If it is
+    a recursion, just skip over it. Simple recursions are easily detected. For
+    mutual recursions we keep a chain on the stack. */
 
+    do endgroup += GET(endgroup, 1); while (*endgroup == OP_ALT);
+    if (code >= scode && code <= endgroup) continue;  /* Simple recursion */
     else
-      {
+      {  
       recurse_check *r = recurses;
-      const pcre_uchar *endgroup = scode;
-
-      do endgroup += GET(endgroup, 1); while (*endgroup == OP_ALT);
-      if (code >= scode && code <= endgroup) continue;  /* Simple recursion */
-
       for (r = recurses; r != NULL; r = r->prev)
         if (r->group == scode) break;
       if (r != NULL) continue;   /* Mutual recursion */
-      }
+      } 
 
     /* Completed reference; scan the referenced group, remembering it on the
     stack chain to detect mutual recursions. */
@@ -8244,12 +8241,16 @@ for (;;)
 
     /* If it was a capturing subpattern, check to see if it contained any
     recursive back references. If so, we must wrap it in atomic brackets.
-    In any event, remove the block from the chain. */
+    Because we are moving code along, we must ensure that any pending recursive
+    references are updated. In any event, remove the block from the chain. */
 
     if (capnumber > 0)
       {
       if (cd->open_caps->flag)
         {
+        *code = OP_END;
+        adjust_recurse(start_bracket, 1 + LINK_SIZE,
+          (options & PCRE_UTF8) != 0, cd, cd->hwm);
         memmove(start_bracket + 1 + LINK_SIZE, start_bracket,
           IN_UCHARS(code - start_bracket));
         *start_bracket = OP_ONCE;
diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtNative.java b/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
index 02bb1ae485..0107cff23a 100644
--- a/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtNative.java
@@ -108,15 +108,20 @@ public class QtNative
         }
     }
 
-    public static void openURL(String url)
+    public static boolean openURL(String url)
     {
+        boolean ok = true;
+
         try {
             Uri uri = Uri.parse(url);
             Intent intent = new Intent(Intent.ACTION_VIEW, uri);
             activity().startActivity(intent);
         } catch (Exception e) {
             e.printStackTrace();
+            ok = false;
         }
+
+        return ok;
     }
 
     // this method loads full path libs
diff --git a/src/corelib/kernel/qjni.cpp b/src/corelib/kernel/qjni.cpp
index aa9b196e62..4581b70ca7 100644
--- a/src/corelib/kernel/qjni.cpp
+++ b/src/corelib/kernel/qjni.cpp
@@ -721,7 +721,7 @@ jboolean QJNIObjectPrivate::callStaticMethod<jboolean>(jclass clazz,
 {
     va_list args;
     va_start(args, sig);
-    jboolean res = callStaticMethod<jboolean>(clazz, methodName, sig);
+    jboolean res = callStaticMethod<jboolean>(clazz, methodName, sig, args);
     va_end(args);
     return res;
 }
@@ -1026,7 +1026,7 @@ jlong QJNIObjectPrivate::callStaticMethod<jlong>(jclass clazz,
 {
     va_list args;
     va_start(args, sig);
-    jlong res = callStaticMethod<jlong>(clazz, methodName, sig);
+    jlong res = callStaticMethod<jlong>(clazz, methodName, sig, args);
     va_end(args);
     return res;
 }
@@ -1119,7 +1119,7 @@ jdouble QJNIObjectPrivate::callStaticMethod<jdouble>(const char *className,
 {
     va_list args;
     va_start(args, sig);
-    jdouble res = callStaticMethod<jdouble>(className, methodName, sig);
+    jdouble res = callStaticMethod<jdouble>(className, methodName, sig, args);
     va_end(args);
     return res;
 }
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index db2b086ff2..45bf4b62c5 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -4749,10 +4749,14 @@ bool QObject::disconnectImpl(const QObject *sender, void **signal, const QObject
     int signal_index = -1;
     if (signal) {
         void *args[] = { &signal_index, signal };
-        senderMetaObject->static_metacall(QMetaObject::IndexOfMethod, 0, args);
-        if (signal_index < 0 || signal_index >= QMetaObjectPrivate::get(senderMetaObject)->signalCount) {
-            qWarning("QObject::disconnect: signal not found in %s", senderMetaObject->className());
-            return false;
+        for (; senderMetaObject && signal_index < 0; senderMetaObject = senderMetaObject->superClass()) {
+            senderMetaObject->static_metacall(QMetaObject::IndexOfMethod, 0, args);
+            if (signal_index >= 0 && signal_index < QMetaObjectPrivate::get(senderMetaObject)->signalCount)
+                break;
+        }
+        if (!senderMetaObject) {
+            qWarning("QObject::disconnect: signal not found in %s", sender->metaObject()->className());
+            return QMetaObject::Connection(0);
         }
         signal_index += QMetaObjectPrivate::signalOffset(senderMetaObject);
     }
diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp
index a147b85eb7..0e6fad48df 100644
--- a/src/corelib/statemachine/qstatemachine.cpp
+++ b/src/corelib/statemachine/qstatemachine.cpp
@@ -526,10 +526,6 @@ QList<QAbstractState*> QStateMachinePrivate::computeStatesToEnter(const QList<QA
                 QAbstractState *s = lst.at(j);
                 addStatesToEnter(s, lca, statesToEnter, statesForDefaultEntry);
             }
-            for (int j = src ? 1 : 0; j < lst.size(); ++j) {
-                QAbstractState *s = lst.at(j);
-                addAncestorStatesToEnter(s, lca, statesToEnter, statesForDefaultEntry);
-            }
             if (isParallel(lca)) {
                 QList<QAbstractState*> lcac = QStatePrivate::get(lca)->childStates();
                 foreach (QAbstractState* child,lcac) {
@@ -727,6 +723,7 @@ void QStateMachinePrivate::addStatesToEnter(QAbstractState *s, QState *root,
                 return;
             }
         }
+        addAncestorStatesToEnter(s, root, statesToEnter, statesForDefaultEntry);
     }
 }
 
@@ -1095,7 +1092,6 @@ void QStateMachinePrivate::setError(QStateMachine::Error errorCode, QAbstractSta
     if (currentErrorState != 0) {
         QState *lca = findLCA(QList<QAbstractState*>() << currentErrorState << currentContext);
         addStatesToEnter(currentErrorState, lca, pendingErrorStates, pendingErrorStatesForDefaultEntry);
-        addAncestorStatesToEnter(currentErrorState, lca, pendingErrorStates, pendingErrorStatesForDefaultEntry);
     } else {
         qWarning("Unrecoverable error detected in running state machine: %s",
                  qPrintable(errorString));
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 23c75f4e05..2ce8a3a45b 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -8029,6 +8029,11 @@ QString &QString::setRawData(const QChar *unicode, int size)
     Returns the Latin-1 string stored in this object.
 */
 
+/*! \fn const char *QLatin1String::data() const
+
+    Returns the Latin-1 string stored in this object.
+*/
+
 /*! \fn int QLatin1String::size() const
 
     Returns the size of the Latin-1 string stored in this object.
@@ -8059,6 +8064,20 @@ QString &QString::setRawData(const QChar *unicode, int size)
     go through QObject::tr(), for example.
 */
 
+/*!
+    \fn bool QLatin1String::operator==(const QByteArray &other) const
+    \since 5.0
+    \overload
+
+    The \a other byte array is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
 /*! \fn bool QLatin1String::operator!=(const QString &other) const
 
     Returns \c true if this string is not equal to string \a other;
@@ -8085,6 +8104,20 @@ QString &QString::setRawData(const QChar *unicode, int size)
 */
 
 /*!
+    \fn bool QLatin1String::operator!=(const QByteArray &other) const
+    \since 5.0
+    \overload operator!=()
+
+    The \a other byte array is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
     \fn bool QLatin1String::operator>(const QString &other) const
 
     Returns \c true if this string is lexically greater than string \a
@@ -8111,6 +8144,20 @@ QString &QString::setRawData(const QChar *unicode, int size)
 */
 
 /*!
+    \fn bool QLatin1String::operator>(const QByteArray &other) const
+    \since 5.0
+    \overload
+
+    The \a other const char pointer is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c QT_NO_CAST_FROM_ASCII
+    when you compile your applications. This can be useful if you want
+    to ensure that all user-visible strings go through QObject::tr(),
+    for example.
+*/
+
+/*!
     \fn bool QLatin1String::operator<(const QString &other) const
 
     Returns \c true if this string is lexically less than the \a other
@@ -8137,6 +8184,20 @@ QString &QString::setRawData(const QChar *unicode, int size)
 */
 
 /*!
+    \fn bool QLatin1String::operator<(const QByteArray &other) const
+    \since 5.0
+    \overload
+
+    The \a other const char pointer is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
+/*!
     \fn bool QLatin1String::operator>=(const QString &other) const
 
     Returns \c true if this string is lexically greater than or equal
@@ -8162,6 +8223,20 @@ QString &QString::setRawData(const QChar *unicode, int size)
     go through QObject::tr(), for example.
 */
 
+/*!
+    \fn bool QLatin1String::operator>=(const QByteArray &other) const
+    \since 5.0
+    \overload
+
+    The \a other array is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
+
 /*! \fn bool QLatin1String::operator<=(const QString &other) const
 
     Returns \c true if this string is lexically less than or equal
@@ -8187,6 +8262,19 @@ QString &QString::setRawData(const QChar *unicode, int size)
     go through QObject::tr(), for example.
 */
 
+/*!
+    \fn bool QLatin1String::operator<=(const QByteArray &other) const
+    \since 5.0
+    \overload
+
+    The \a other array is converted to a QString using
+    the QString::fromUtf8() function.
+
+    You can disable this operator by defining \c
+    QT_NO_CAST_FROM_ASCII when you compile your applications. This
+    can be useful if you want to ensure that all user-visible strings
+    go through QObject::tr(), for example.
+*/
 
 
 /*! \fn bool operator==(QLatin1String s1, QLatin1String s2)
diff --git a/src/gui/kernel/qopenglcontext.cpp b/src/gui/kernel/qopenglcontext.cpp
index 71a1d1e074..6b2bb092b1 100644
--- a/src/gui/kernel/qopenglcontext.cpp
+++ b/src/gui/kernel/qopenglcontext.cpp
@@ -639,6 +639,7 @@ bool QOpenGLContext::create()
 */
 void QOpenGLContext::destroy()
 {
+    deleteQGLContext();
     Q_D(QOpenGLContext);
     if (d->platformGLContext)
         emit aboutToBeDestroyed();
@@ -1086,6 +1087,9 @@ void *QOpenGLContext::qGLContextHandle() const
 }
 
 /*!
+    internal: If the delete function is specified QOpenGLContext "owns"
+    the passed context handle and will use the delete function to destroy it.
+
     \internal
 */
 void QOpenGLContext::setQGLContextHandle(void *handle,void (*qGLContextDeleteFunction)(void *))
diff --git a/src/gui/kernel/qopenglcontext_p.h b/src/gui/kernel/qopenglcontext_p.h
index 46e1572376..2d27b19ebe 100644
--- a/src/gui/kernel/qopenglcontext_p.h
+++ b/src/gui/kernel/qopenglcontext_p.h
@@ -198,6 +198,7 @@ class Q_GUI_EXPORT QOpenGLContextPrivate : public QObjectPrivate
 public:
     QOpenGLContextPrivate()
         : qGLContextHandle(0)
+        , qGLContextDeleteFunction(0)
         , platformGLContext(0)
         , shareContext(0)
         , shareGroup(0)
diff --git a/src/gui/opengl/qopenglversionfunctions.cpp b/src/gui/opengl/qopenglversionfunctions.cpp
index 3335a88cbb..f5ce8865a8 100644
--- a/src/gui/opengl/qopenglversionfunctions.cpp
+++ b/src/gui/opengl/qopenglversionfunctions.cpp
@@ -98,8 +98,10 @@ void QAbstractOpenGLFunctionsPrivate::removeFunctionsBackend(QOpenGLContext *con
     Qt now provides a family of classes which all inherit from
     QAbstractOpenGLFunctions which expose every core OpenGL function by way of a
     corresponding member function. There is a class for every valid combination
-    of OpenGL version and profile. Each class follows the naming convention
-    QOpenGLFunctions_<MAJOR VERSION>_<MINOR VERSION>[_PROFILE].
+    of OpenGL version and profile. Each class follows the naming convention:
+    \badcode
+    QOpenGLFunctions_<MAJOR VERSION>_<MINOR VERSION>[_PROFILE]
+    \endcode
 
     For OpenGL versions 1.0 through to 3.0 there are no profiles, leading to the
     classes:
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 2e340219b9..914691375a 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -921,7 +921,7 @@ void QRasterPaintEngine::renderHintsChanged()
     bool was_aa = s->flags.antialiased;
     bool was_bilinear = s->flags.bilinear;
 
-    s->flags.antialiased = bool(s->renderHints & QPainter::Antialiasing);
+    s->flags.antialiased = bool(s->renderHints & (QPainter::Antialiasing | QPainter::HighQualityAntialiasing));
     s->flags.bilinear = bool(s->renderHints & QPainter::SmoothPixmapTransform);
     s->flags.legacy_rounding = !bool(s->renderHints & QPainter::Antialiasing) && bool(s->renderHints & QPainter::Qt4CompatiblePainting);
 
@@ -2726,7 +2726,7 @@ void QRasterPaintEngine::alphaPenBlt(const void* src, int bpl, int depth, int rx
             scanline += bpl;
         }
     } else { // 32-bit alpha...
-        uint *sl = (uint *) src;
+        uint *sl = (uint *) scanline;
         for (int y = y0; y < y1; ++y) {
             for (int x = x0; x < x1; ) {
                 // Skip those with 0 coverage
diff --git a/src/gui/text/qplatformfontdatabase.cpp b/src/gui/text/qplatformfontdatabase.cpp
index e9ffa68591..5dc81d241d 100644
--- a/src/gui/text/qplatformfontdatabase.cpp
+++ b/src/gui/text/qplatformfontdatabase.cpp
@@ -402,6 +402,16 @@ QString QPlatformFontDatabase::fontDir() const
 }
 
 /*!
+    Returns true if the font family is private. For any given family name,
+    the result is platform dependent.
+*/
+bool QPlatformFontDatabase::isPrivateFontFamily(const QString &family) const
+{
+    Q_UNUSED(family);
+    return false;
+}
+
+/*!
     Returns the default system font.
 
     \sa QGuiApplication::font()
diff --git a/src/gui/text/qplatformfontdatabase.h b/src/gui/text/qplatformfontdatabase.h
index b200cf0e58..46ef5c0f46 100644
--- a/src/gui/text/qplatformfontdatabase.h
+++ b/src/gui/text/qplatformfontdatabase.h
@@ -110,6 +110,7 @@ public:
     virtual QString fontDir() const;
 
     virtual QFont defaultFont() const;
+    virtual bool isPrivateFontFamily(const QString &family) const;
 
     virtual QString resolveFontFamilyAlias(const QString &family) const;
     virtual bool fontsAlwaysScalable() const;
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp
index bead45ab83..e572745d51 100644
--- a/src/network/socket/qabstractsocket.cpp
+++ b/src/network/socket/qabstractsocket.cpp
@@ -2008,6 +2008,9 @@ static int qt_timeout_value(int msecs, int elapsed)
     \note Multiple calls to this functions do not accumulate the time.
     If the function times out, the connecting process will be aborted.
 
+    \note This function may fail randomly on Windows. Consider using the event
+    loop and the connected() signal if your software will run on Windows.
+
     \sa connectToHost(), connected()
 */
 bool QAbstractSocket::waitForConnected(int msecs)
@@ -2107,6 +2110,9 @@ bool QAbstractSocket::waitForConnected(int msecs)
     there is new data available for reading; otherwise it returns \c false
     (if an error occurred or the operation timed out).
 
+    \note This function may fail randomly on Windows. Consider using the event
+    loop and the readyRead() signal if your software will run on Windows.
+
     \sa waitForBytesWritten()
 */
 bool QAbstractSocket::waitForReadyRead(int msecs)
@@ -2166,6 +2172,20 @@ bool QAbstractSocket::waitForReadyRead(int msecs)
 }
 
 /*! \reimp
+
+    This function blocks until at least one byte has been written on the socket
+    and the \l{QIODevice::}{bytesWritten()} signal has been emitted. The
+    function will timeout after \a msecs milliseconds; the default timeout is
+    30000 milliseconds.
+
+    The function returns \c true if the bytesWritten() signal is emitted;
+    otherwise it returns \c false (if an error occurred or the operation timed
+    out).
+
+    \note This function may fail randomly on Windows. Consider using the event
+    loop and the bytesWritten() signal if your software will run on Windows.
+
+    \sa waitForReadyRead()
  */
 bool QAbstractSocket::waitForBytesWritten(int msecs)
 {
@@ -2247,6 +2267,9 @@ bool QAbstractSocket::waitForBytesWritten(int msecs)
 
     If msecs is -1, this function will not time out.
 
+    \note This function may fail randomly on Windows. Consider using the event
+    loop and the disconnected() signal if your software will run on Windows.
+
     \sa disconnectFromHost(), close()
 */
 bool QAbstractSocket::waitForDisconnected(int msecs)
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 10ba8ac2ee..d2c017fcac 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -2126,7 +2126,7 @@ QGLContext::QGLContext(const QGLFormat &format)
     d->init(0, format);
 }
 
-void qDeleteQGLContext(void *handle)
+static void qDeleteQGLContext(void *handle)
 {
     QGLContext *context = static_cast<QGLContext *>(handle);
     delete context;
@@ -3475,7 +3475,7 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
         d->valid = d->guiGlContext->create();
 
         if (d->valid)
-            d->guiGlContext->setQGLContextHandle(this, qDeleteQGLContext);
+            d->guiGlContext->setQGLContextHandle(this, 0);
 
         d->glFormat = QGLFormat::fromSurfaceFormat(d->guiGlContext->format());
         d->setupSharing();
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 6dd939c2de..fb71e60ba9 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -242,6 +242,7 @@ public:
     void swapRegion(const QRegion &region);
 
     QOpenGLContext *guiGlContext;
+    // true if QGLContext owns the QOpenGLContext (for who deletes who)
     bool ownContext;
 
     void setupSharing();
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
index 7ae72cc446..4da209e769 100644
--- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
+++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
@@ -211,6 +211,13 @@ void QCoreTextFontDatabase::populateFontDatabase()
             QPlatformFontDatabase::registerAliasToFontFamily(familyName, localizedFamilyName);
 #endif
     }
+
+    // Force creating the theme fonts to get the descriptors in m_systemFontDescriptors
+    if (m_themeFonts.isEmpty())
+        (void)themeFonts();
+
+    Q_FOREACH (CTFontDescriptorRef fontDesc, m_systemFontDescriptors)
+        populateFromDescriptor(fontDesc);
 }
 
 void QCoreTextFontDatabase::populateFamily(const QString &familyName)
@@ -231,16 +238,29 @@ void QCoreTextFontDatabase::populateFamily(const QString &familyName)
         populateFromDescriptor(CTFontDescriptorRef(CFArrayGetValueAtIndex(matchingFonts, i)));
 }
 
-void QCoreTextFontDatabase::populateFromDescriptor(CTFontDescriptorRef font)
+struct FontDescription {
+    QCFString familyName;
+    QCFString styleName;
+    QString foundryName;
+    QFont::Weight weight;
+    QFont::Style style;
+    QFont::Stretch stretch;
+    int pixelSize;
+    bool fixedPitch;
+    QSupportedWritingSystems writingSystems;
+};
+
+static void getFontDescription(CTFontDescriptorRef font, FontDescription *fd)
 {
-    QString foundryName = QStringLiteral("CoreText");
-    QCFString familyName = (CFStringRef) CTFontDescriptorCopyAttribute(font, kCTFontFamilyNameAttribute);
-    QCFString styleName = (CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontStyleNameAttribute);
     QCFType<CFDictionaryRef> styles = (CFDictionaryRef) CTFontDescriptorCopyAttribute(font, kCTFontTraitsAttribute);
-    QFont::Weight weight = QFont::Normal;
-    QFont::Style style = QFont::StyleNormal;
-    QFont::Stretch stretch = QFont::Unstretched;
-    bool fixedPitch = false;
+
+    fd->foundryName = QStringLiteral("CoreText");
+    fd->familyName = (CFStringRef) CTFontDescriptorCopyAttribute(font, kCTFontFamilyNameAttribute);
+    fd->styleName = (CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontStyleNameAttribute);
+    fd->weight = QFont::Normal;
+    fd->style = QFont::StyleNormal;
+    fd->stretch = QFont::Unstretched;
+    fd->fixedPitch = false;
 
     if (styles) {
         if (CFNumberRef weightValue = (CFNumberRef) CFDictionaryGetValue(styles, kCTFontWeightTrait)) {
@@ -248,15 +268,15 @@ void QCoreTextFontDatabase::populateFromDescriptor(CTFontDescriptorRef font)
             double normalizedWeight;
             if (CFNumberGetValue(weightValue, kCFNumberDoubleType, &normalizedWeight)) {
                 if (normalizedWeight >= 0.62)
-                    weight = QFont::Black;
+                    fd->weight = QFont::Black;
                 else if (normalizedWeight >= 0.4)
-                    weight = QFont::Bold;
+                    fd->weight = QFont::Bold;
                 else if (normalizedWeight >= 0.3)
-                    weight = QFont::DemiBold;
+                    fd->weight = QFont::DemiBold;
                 else if (normalizedWeight == 0.0)
-                    weight = QFont::Normal;
+                    fd->weight = QFont::Normal;
                 else if (normalizedWeight <= -0.4)
-                    weight = QFont::Light;
+                    fd->weight = QFont::Light;
             }
         }
         if (CFNumberRef italic = (CFNumberRef) CFDictionaryGetValue(styles, kCTFontSlantTrait)) {
@@ -264,34 +284,32 @@ void QCoreTextFontDatabase::populateFromDescriptor(CTFontDescriptorRef font)
             double d;
             if (CFNumberGetValue(italic, kCFNumberDoubleType, &d)) {
                 if (d > 0.0)
-                    style = QFont::StyleItalic;
+                    fd->style = QFont::StyleItalic;
             }
         }
         if (CFNumberRef symbolic = (CFNumberRef) CFDictionaryGetValue(styles, kCTFontSymbolicTrait)) {
             int d;
             if (CFNumberGetValue(symbolic, kCFNumberSInt32Type, &d)) {
                 if (d & kCTFontMonoSpaceTrait)
-                    fixedPitch = true;
+                    fd->fixedPitch = true;
                 if (d & kCTFontExpandedTrait)
-                    stretch = QFont::Expanded;
+                    fd->stretch = QFont::Expanded;
                 else if (d & kCTFontCondensedTrait)
-                    stretch = QFont::Condensed;
+                    fd->stretch = QFont::Condensed;
             }
         }
     }
 
-    int pixelSize = 0;
     if (QCFType<CFNumberRef> size = (CFNumberRef) CTFontDescriptorCopyAttribute(font, kCTFontSizeAttribute)) {
         if (CFNumberIsFloatType(size)) {
             double d;
             CFNumberGetValue(size, kCFNumberDoubleType, &d);
-            pixelSize = d;
+            fd->pixelSize = d;
         } else {
-            CFNumberGetValue(size, kCFNumberIntType, &pixelSize);
+            CFNumberGetValue(size, kCFNumberIntType, &fd->pixelSize);
         }
     }
 
-    QSupportedWritingSystems writingSystems;
     if (QCFType<CFArrayRef> languages = (CFArrayRef) CTFontDescriptorCopyAttribute(font, kCTFontLanguagesAttribute)) {
         CFIndex length = CFArrayGetCount(languages);
         for (int i = 1; i < LanguageCount; ++i) {
@@ -299,14 +317,24 @@ void QCoreTextFontDatabase::populateFromDescriptor(CTFontDescriptorRef font)
                 continue;
             QCFString lang = CFStringCreateWithCString(NULL, languageForWritingSystem[i], kCFStringEncodingASCII);
             if (CFArrayContainsValue(languages, CFRangeMake(0, length), lang))
-                writingSystems.setSupported(QFontDatabase::WritingSystem(i));
+                fd->writingSystems.setSupported(QFontDatabase::WritingSystem(i));
         }
     }
+}
 
+void QCoreTextFontDatabase::populateFromDescriptor(CTFontDescriptorRef font)
+{
+    FontDescription fd;
+    getFontDescription(font, &fd);
+    populateFromFontDescription(font, fd);
+}
+
+void QCoreTextFontDatabase::populateFromFontDescription(CTFontDescriptorRef font, const FontDescription &fd)
+{
     CFRetain(font);
-    QPlatformFontDatabase::registerFont(familyName, styleName, foundryName, weight, style, stretch,
+    QPlatformFontDatabase::registerFont(fd.familyName, fd.styleName, fd.foundryName, fd.weight, fd.style, fd.stretch,
             true /* antialiased */, true /* scalable */,
-            pixelSize, fixedPitch, writingSystems, (void *) font);
+            fd.pixelSize, fd.fixedPitch, fd.writingSystems, (void *) font);
 }
 
 void QCoreTextFontDatabase::releaseHandle(void *handle)
@@ -612,6 +640,113 @@ QStringList QCoreTextFontDatabase::addApplicationFont(const QByteArray &fontData
     return families;
 }
 
+bool QCoreTextFontDatabase::isPrivateFontFamily(const QString &family) const
+{
+    if (family.startsWith(QLatin1Char('.')))
+        return true;
+
+    return QPlatformFontDatabase::isPrivateFontFamily(family);
+}
+
+static CTFontUIFontType fontTypeFromTheme(QPlatformTheme::Font f)
+{
+    switch (f) {
+    case QPlatformTheme::SystemFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::MenuFont:
+    case QPlatformTheme::MenuBarFont:
+    case QPlatformTheme::MenuItemFont:
+        return kCTFontMenuItemFontType;
+
+    case QPlatformTheme::MessageBoxFont:
+        return kCTFontEmphasizedSystemFontType;
+
+    case QPlatformTheme::LabelFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::TipLabelFont:
+        return kCTFontToolTipFontType;
+
+    case QPlatformTheme::StatusBarFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::TitleBarFont:
+        return kCTFontWindowTitleFontType;
+
+    case QPlatformTheme::MdiSubWindowTitleFont:
+    case QPlatformTheme::DockWidgetTitleFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::PushButtonFont:
+        return kCTFontPushButtonFontType;
+
+    case QPlatformTheme::CheckBoxFont:
+    case QPlatformTheme::RadioButtonFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::ToolButtonFont:
+        return kCTFontSmallToolbarFontType;
+
+    case QPlatformTheme::ItemViewFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::ListViewFont:
+        return kCTFontViewsFontType;
+
+    case QPlatformTheme::HeaderViewFont:
+        return kCTFontSmallSystemFontType;
+
+    case QPlatformTheme::ListBoxFont:
+        return kCTFontViewsFontType;
+
+    case QPlatformTheme::ComboMenuItemFont:
+        return kCTFontSystemFontType;
+
+    case QPlatformTheme::ComboLineEditFont:
+        return kCTFontViewsFontType;
+
+    case QPlatformTheme::SmallFont:
+        return kCTFontSmallSystemFontType;
+
+    case QPlatformTheme::MiniFont:
+        return kCTFontMiniSystemFontType;
+
+    case QPlatformTheme::FixedFont:
+        return kCTFontUserFixedPitchFontType;
+
+    default:
+        return kCTFontSystemFontType;
+    }
+}
+
+const QHash<QPlatformTheme::Font, QFont *> &QCoreTextFontDatabase::themeFonts() const
+{
+    if (m_themeFonts.isEmpty()) {
+        for (long f = QPlatformTheme::SystemFont; f < QPlatformTheme::NFonts; f++) {
+            QPlatformTheme::Font ft = static_cast<QPlatformTheme::Font>(f);
+            m_themeFonts.insert(ft, themeFont(ft));
+        }
+    }
+
+    return m_themeFonts;
+}
+
+QFont *QCoreTextFontDatabase::themeFont(QPlatformTheme::Font f) const
+{
+    CTFontUIFontType fontType = fontTypeFromTheme(f);
+
+    QCFType<CTFontRef> ctFont = CTFontCreateUIFontForLanguage(fontType, 0.0, NULL);
+    CTFontDescriptorRef fontDesc = CTFontCopyFontDescriptor(ctFont);
+
+    FontDescription fd;
+    getFontDescription(fontDesc, &fd);
+    m_systemFontDescriptors.insert(fontDesc);
+
+    QFont *font = new QFont(fd.familyName, fd.pixelSize, fd.weight, fd.style == QFont::StyleItalic);
+    return font;
+}
+
 QFont QCoreTextFontDatabase::defaultFont() const
 {
     if (defaultFontName.isEmpty()) {
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
index c73f4a32ca..a3da27b28d 100644
--- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
+++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
@@ -47,6 +47,7 @@
 #define HAVE_ATS QT_MAC_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_10_5, __IPHONE_NA)
 
 #include <qpa/qplatformfontdatabase.h>
+#include <qpa/qplatformtheme.h>
 #include <private/qcore_mac_p.h>
 
 #ifndef Q_OS_IOS
@@ -66,6 +67,8 @@ Q_DECLARE_METATYPE(ATSFontContainerRef);
 
 QT_BEGIN_NAMESPACE
 
+struct FontDescription;
+
 class QCoreTextFontDatabase : public QPlatformFontDatabase
 {
 public:
@@ -79,17 +82,25 @@ public:
     QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const;
     QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName);
     void releaseHandle(void *handle);
+    bool isPrivateFontFamily(const QString &family) const;
     QFont defaultFont() const;
     QList<int> standardSizes() const;
 
+    // For iOS and OS X platform themes
+    QFont *themeFont(QPlatformTheme::Font) const;
+    const QHash<QPlatformTheme::Font, QFont *> &themeFonts() const;
+
 private:
     void populateFromDescriptor(CTFontDescriptorRef font);
+    void populateFromFontDescription(CTFontDescriptorRef font, const FontDescription &fd);
 
     mutable QString defaultFontName;
 
     void removeApplicationFonts();
 
     QVector<QVariant> m_applicationFonts;
+    mutable QSet<CTFontDescriptorRef> m_systemFontDescriptors;
+    mutable QHash<QPlatformTheme::Font, QFont *> m_themeFonts;
 };
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/android/androidjnimain.cpp b/src/plugins/platforms/android/androidjnimain.cpp
index f776e43efa..de30fa825a 100644
--- a/src/plugins/platforms/android/androidjnimain.cpp
+++ b/src/plugins/platforms/android/androidjnimain.cpp
@@ -401,10 +401,8 @@ namespace QtAndroid
     {
         QMutexLocker lock(&m_surfacesMutex);
         const auto &it = m_surfaces.find(surfaceId);
-        if (it == m_surfaces.end())
-            return;
-
-        m_surfaces.remove(surfaceId);
+        if (it != m_surfaces.end())
+            m_surfaces.remove(surfaceId);
         if (m_surfaces.isEmpty())
             m_surfaceId = 1;
 
diff --git a/src/plugins/platforms/android/qandroidplatformservices.cpp b/src/plugins/platforms/android/qandroidplatformservices.cpp
index 9c21abe39b..1f2f58f838 100644
--- a/src/plugins/platforms/android/qandroidplatformservices.cpp
+++ b/src/plugins/platforms/android/qandroidplatformservices.cpp
@@ -54,11 +54,10 @@ QAndroidPlatformServices::QAndroidPlatformServices()
 bool QAndroidPlatformServices::openUrl(const QUrl &url)
 {
     QJNIObjectPrivate urlString = QJNIObjectPrivate::fromString(url.toString());
-    QJNIObjectPrivate::callStaticMethod<void>(QtAndroid::applicationClass(),
-                                              "openURL",
-                                              "(Ljava/lang/String;)V",
-                                              urlString.object());
-    return true;
+    return QJNIObjectPrivate::callStaticMethod<jboolean>(QtAndroid::applicationClass(),
+                                                         "openURL",
+                                                         "(Ljava/lang/String;)Z",
+                                                         urlString.object());
 }
 
 bool QAndroidPlatformServices::openDocument(const QUrl &url)
diff --git a/src/plugins/platforms/cocoa/qcocoasystemsettings.h b/src/plugins/platforms/cocoa/qcocoasystemsettings.h
index 9ce301f7e7..3861da6230 100644
--- a/src/plugins/platforms/cocoa/qcocoasystemsettings.h
+++ b/src/plugins/platforms/cocoa/qcocoasystemsettings.h
@@ -50,7 +50,6 @@ QT_BEGIN_NAMESPACE
 
 QPalette * qt_mac_createSystemPalette();
 QHash<QPlatformTheme::Palette, QPalette*> qt_mac_createRolePalettes();
-QHash<QPlatformTheme::Font, QFont *>  qt_mac_createRoleFonts();
 
 QT_END_NAMESPACE
 
diff --git a/src/plugins/platforms/cocoa/qcocoasystemsettings.mm b/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
index 26aa871998..3ce2f06763 100644
--- a/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
+++ b/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
@@ -213,48 +213,4 @@ QHash<QPlatformTheme::Palette, QPalette*> qt_mac_createRolePalettes()
     return palettes;
 }
 
-QFont *qt_mac_qfontForThemeFont(ThemeFontID themeID)
-{
-    CTFontUIFontType ctID = HIThemeGetUIFontType(themeID);
-    QCFType<CTFontRef> ctfont = CTFontCreateUIFontForLanguage(ctID, 0, 0);
-    QString familyName = QCFString(CTFontCopyFamilyName(ctfont));
-    QCFType<CFDictionaryRef> dict = CTFontCopyTraits(ctfont);
-    CFNumberRef num = static_cast<CFNumberRef>(CFDictionaryGetValue(dict, kCTFontWeightTrait));
-    float fW;
-    CFNumberGetValue(num, kCFNumberFloat32Type, &fW);
-    QFont::Weight wght = fW > 0. ? QFont::Bold : QFont::Normal;
-    num = static_cast<CFNumberRef>(CFDictionaryGetValue(dict, kCTFontSlantTrait));
-    CFNumberGetValue(num, kCFNumberFloatType, &fW);
-    bool italic = (fW != 0.0);
-    return new QFont(familyName, CTFontGetSize(ctfont), wght, italic);
-}
-
-QHash<QPlatformTheme::Font, QFont *> qt_mac_createRoleFonts()
-{
-    QHash<QPlatformTheme::Font, QFont *> fonts;
-
-    fonts.insert(QPlatformTheme::SystemFont, qt_mac_qfontForThemeFont(kThemeApplicationFont));
-    fonts.insert(QPlatformTheme::PushButtonFont, qt_mac_qfontForThemeFont(kThemePushButtonFont));
-    fonts.insert(QPlatformTheme::ListViewFont, qt_mac_qfontForThemeFont(kThemeViewsFont));
-    fonts.insert(QPlatformTheme::ListBoxFont, qt_mac_qfontForThemeFont(kThemeViewsFont));
-    fonts.insert(QPlatformTheme::TitleBarFont, qt_mac_qfontForThemeFont(kThemeWindowTitleFont));
-    fonts.insert(QPlatformTheme::MenuFont, qt_mac_qfontForThemeFont(kThemeMenuItemFont));
-    fonts.insert(QPlatformTheme::MenuBarFont, qt_mac_qfontForThemeFont(kThemeMenuItemFont));
-    fonts.insert(QPlatformTheme::ComboMenuItemFont, qt_mac_qfontForThemeFont(kThemeSystemFont));
-    fonts.insert(QPlatformTheme::HeaderViewFont, qt_mac_qfontForThemeFont(kThemeSmallSystemFont));
-    fonts.insert(QPlatformTheme::TipLabelFont, qt_mac_qfontForThemeFont(kThemeSmallSystemFont));
-    fonts.insert(QPlatformTheme::LabelFont, qt_mac_qfontForThemeFont(kThemeSystemFont));
-    fonts.insert(QPlatformTheme::ToolButtonFont, qt_mac_qfontForThemeFont(kThemeSmallSystemFont));
-    fonts.insert(QPlatformTheme::MenuItemFont, qt_mac_qfontForThemeFont(kThemeMenuItemFont));
-    fonts.insert(QPlatformTheme::ComboLineEditFont, qt_mac_qfontForThemeFont(kThemeViewsFont));
-    fonts.insert(QPlatformTheme::SmallFont, qt_mac_qfontForThemeFont(kThemeSmallSystemFont));
-    fonts.insert(QPlatformTheme::MiniFont, qt_mac_qfontForThemeFont(kThemeMiniSystemFont));
-
-    QFont* fixedFont = new QFont(QStringLiteral("Monaco"), fonts[QPlatformTheme::SystemFont]->pointSize());
-    fixedFont->setStyleHint(QFont::TypeWriter);
-    fonts.insert(QPlatformTheme::FixedFont, fixedFont);
-
-    return fonts;
-}
-
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/cocoa/qcocoatheme.mm b/src/plugins/platforms/cocoa/qcocoatheme.mm
index dce1671800..ae42fee82c 100644
--- a/src/plugins/platforms/cocoa/qcocoatheme.mm
+++ b/src/plugins/platforms/cocoa/qcocoatheme.mm
@@ -60,6 +60,7 @@
 #include <QtCore/qfileinfo.h>
 #include <QtGui/private/qguiapplication_p.h>
 #include <QtGui/qpainter.h>
+#include <QtPlatformSupport/private/qcoretextfontdatabase_p.h>
 #include <qpa/qplatformintegration.h>
 #include <qpa/qplatformnativeinterface.h>
 
@@ -134,6 +135,12 @@ const QPalette *QCocoaTheme::palette(Palette type) const
     return 0;
 }
 
+QHash<QPlatformTheme::Font, QFont *> qt_mac_createRoleFonts()
+{
+    QCoreTextFontDatabase *ctfd = static_cast<QCoreTextFontDatabase *>(QGuiApplicationPrivate::platformIntegration()->fontDatabase());
+    return ctfd->themeFonts();
+}
+
 const QFont *QCocoaTheme::font(Font type) const
 {
     if (m_fonts.isEmpty()) {
diff --git a/src/plugins/platforms/ios/qiostheme.mm b/src/plugins/platforms/ios/qiostheme.mm
index e7093185aa..e51e97bd5a 100644
--- a/src/plugins/platforms/ios/qiostheme.mm
+++ b/src/plugins/platforms/ios/qiostheme.mm
@@ -46,6 +46,10 @@
 
 #include <QtGui/QFont>
 
+#include <QtPlatformSupport/private/qcoretextfontdatabase_p.h>
+#include <QtGui/private/qguiapplication_p.h>
+#include <qpa/qplatformintegration.h>
+
 #include <UIKit/UIFont.h>
 #include <UIKit/UIInterface.h>
 
@@ -75,19 +79,8 @@ QVariant QIOSTheme::themeHint(ThemeHint hint) const
 const QFont *QIOSTheme::font(Font type) const
 {
     if (m_fonts.isEmpty()) {
-        // The real system font on iOS is '.Helvetica Neue UI', as returned by both [UIFont systemFontOfSize]
-        // and CTFontCreateUIFontForLanguage(kCTFontSystemFontType, ...), but this font is not included when
-        // populating the available fonts in QCoreTextFontDatabase::populateFontDatabase(), since the font
-        // is internal to iOS and not supposed to be used by applications. We could potentially add this
-        // font to the font-database, but it would then show up when enumerating user fonts from Qt
-        // applications since we don't have a flag in Qt to mark a font as a private system font.
-        // For now we hard-code the font to Helvetica, which should be very close to the actual
-        // system font.
-        QLatin1String systemFontFamilyName("Helvetica");
-        m_fonts.insert(QPlatformTheme::SystemFont, new QFont(systemFontFamilyName, [UIFont systemFontSize]));
-        m_fonts.insert(QPlatformTheme::SmallFont, new QFont(systemFontFamilyName, [UIFont smallSystemFontSize]));
-        m_fonts.insert(QPlatformTheme::LabelFont, new QFont(systemFontFamilyName, [UIFont labelFontSize]));
-        m_fonts.insert(QPlatformTheme::PushButtonFont, new QFont(systemFontFamilyName, [UIFont buttonFontSize]));
+        QCoreTextFontDatabase *ctfd = static_cast<QCoreTextFontDatabase *>(QGuiApplicationPrivate::platformIntegration()->fontDatabase());
+        m_fonts = ctfd->themeFonts();
     }
 
     return m_fonts.value(type, 0);
diff --git a/src/plugins/platforms/windows/qwindowsfontengine.cpp b/src/plugins/platforms/windows/qwindowsfontengine.cpp
index d3cbea0b92..35b7f13ea4 100644
--- a/src/plugins/platforms/windows/qwindowsfontengine.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontengine.cpp
@@ -1345,6 +1345,7 @@ void QWindowsMultiFontEngine::loadEngine(int at)
                                                                                         fontEngine->fontDef.pixelSize,
                                                                                         data);
                 fedw->fontDef = fontDef;
+                fedw->fontDef.family = fam;
                 fedw->ref.ref();
                 engines[at] = fedw;
 
@@ -1370,6 +1371,7 @@ void QWindowsMultiFontEngine::loadEngine(int at)
     engines[at] = new QWindowsFontEngine(fam, hfont, stockFont, lf, data);
     engines[at]->ref.ref();
     engines[at]->fontDef = fontDef;
+    engines[at]->fontDef.family = fam;
     qCDebug(lcQpaFonts) << __FUNCTION__ << at << fam;
 
     // TODO: increase cost in QFontCache for the font engine loaded here
diff --git a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp
index f85fe0839f..506c29c9cf 100644
--- a/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp
+++ b/src/plugins/platformthemes/gtk2/qgtk2dialoghelpers.cpp
@@ -308,7 +308,13 @@ QUrl QGtk2FileDialogHelper::directory() const
 void QGtk2FileDialogHelper::selectFile(const QUrl &filename)
 {
     GtkDialog *gtkDialog = d->gtkDialog();
-    gtk_file_chooser_select_filename(GTK_FILE_CHOOSER(gtkDialog), filename.toLocalFile().toUtf8());
+    if (options()->acceptMode() == QFileDialogOptions::AcceptSave) {
+        QFileInfo fi(filename.toLocalFile());
+        gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(gtkDialog), fi.path().toUtf8());
+        gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(gtkDialog), fi.fileName().toUtf8());
+    } else {
+        gtk_file_chooser_select_filename(GTK_FILE_CHOOSER(gtkDialog), filename.toLocalFile().toUtf8());
+    }
 }
 
 QList<QUrl> QGtk2FileDialogHelper::selectedFiles() const
diff --git a/src/printsupport/kernel/qprintengine_win.cpp b/src/printsupport/kernel/qprintengine_win.cpp
index bf39b9309d..926d36f73f 100644
--- a/src/printsupport/kernel/qprintengine_win.cpp
+++ b/src/printsupport/kernel/qprintengine_win.cpp
@@ -203,7 +203,7 @@ bool QWin32PrintEngine::newPage()
 
     bool transparent = GetBkMode(d->hdc) == TRANSPARENT;
 
-    if (!EndPage(d->hdc)) {
+    if (EndPage(d->hdc) <= 0) {
         qErrnoWarning("QWin32PrintEngine::newPage: EndPage failed");
         return false;
     }
@@ -216,7 +216,7 @@ bool QWin32PrintEngine::newPage()
         d->reinit = false;
     }
 
-    if (!StartPage(d->hdc)) {
+    if (StartPage(d->hdc) <= 0) {
         qErrnoWarning("Win32PrintEngine::newPage: StartPage failed");
         return false;
     }
@@ -235,7 +235,7 @@ bool QWin32PrintEngine::newPage()
 
     bool success = false;
     if (d->hdc && d->state == QPrinter::Active) {
-        if (EndPage(d->hdc) != SP_ERROR) {
+        if (EndPage(d->hdc) > 0) {
             // reinitialize the DC before StartPage if needed,
             // because resetdc is disabled between calls to the StartPage and EndPage functions
             // (see StartPage documentation in the Platform SDK:Windows GDI)
@@ -248,7 +248,7 @@ bool QWin32PrintEngine::newPage()
                     qErrnoWarning("QWin32PrintEngine::newPage(), ResetDC failed (2)");
                 d->reinit = false;
             }
-            success = (StartPage(d->hdc) != SP_ERROR);
+            success = (StartPage(d->hdc) > 0);
         }
         if (!success) {
             d->state = QPrinter::Aborted;
diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index d202884416..77b94c02a4 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -91,9 +91,7 @@ Q_GLOBAL_STATIC(QUrl, lastVisitedDir)
   The QFileDialog class enables a user to traverse the file system in
   order to select one or many files or a directory.
 
-  The easiest way to create a QFileDialog is to use the static
-  functions. On Windows, Mac OS X, KDE and GNOME, these static functions will
-  call the native file dialog when possible.
+  The easiest way to create a QFileDialog is to use the static functions.
 
   \snippet code/src_gui_dialogs_qfiledialog.cpp 0
 
diff --git a/src/widgets/dialogs/qfontdialog.cpp b/src/widgets/dialogs/qfontdialog.cpp
index 5a68bfbc66..fc9f36f0c2 100644
--- a/src/widgets/dialogs/qfontdialog.cpp
+++ b/src/widgets/dialogs/qfontdialog.cpp
@@ -65,6 +65,10 @@
 #include <private/qdialog_p.h>
 #include <private/qfont_p.h>
 
+#include <QtGui/private/qguiapplication_p.h>
+#include <qpa/qplatformintegration.h>
+#include <qpa/qplatformfontdatabase.h>
+
 QT_BEGIN_NAMESPACE
 
 class QFontListView : public QListView
@@ -485,8 +489,13 @@ void QFontDialogPrivate::updateFamilies()
     const QFontDialog::FontDialogOptions spacingMask = (QFontDialog::ProportionalFonts | QFontDialog::MonospacedFonts);
     const QFontDialog::FontDialogOptions options = q->options();
 
+    QPlatformFontDatabase *pfdb = QGuiApplicationPrivate::platformIntegration()->fontDatabase();
+
     QStringList familyNames;
     foreach (const QString &family, fdb.families(writingSystem)) {
+        if (pfdb->isPrivateFontFamily(family))
+            continue;
+
         if ((options & scalableMask) && (options & scalableMask) != scalableMask) {
             if (bool(options & QFontDialog::ScalableFonts) != fdb.isSmoothlyScalable(family))
                 continue;
diff --git a/src/widgets/itemviews/qabstractitemview.cpp b/src/widgets/itemviews/qabstractitemview.cpp
index 4b59e72545..37dcede6e3 100644
--- a/src/widgets/itemviews/qabstractitemview.cpp
+++ b/src/widgets/itemviews/qabstractitemview.cpp
@@ -1370,6 +1370,15 @@ bool QAbstractItemView::tabKeyNavigation() const
     return d->tabKeyNavigation;
 }
 
+/*!
+    \since 5.2
+    \reimp
+*/
+QSize QAbstractItemView::viewportSizeHint() const
+{
+    return QAbstractScrollArea::viewportSizeHint();
+}
+
 #ifndef QT_NO_DRAGANDDROP
 /*!
     \property QAbstractItemView::showDropIndicator
@@ -1391,15 +1400,6 @@ bool QAbstractItemView::showDropIndicator() const
 }
 
 /*!
-    \since 5.2
-    \reimp
-*/
-QSize QAbstractItemView::viewportSizeHint() const
-{
-    return QAbstractScrollArea::viewportSizeHint();
-}
-
-/*!
     \property QAbstractItemView::dragEnabled
     \brief whether the view supports dragging of its own items
 
diff --git a/src/widgets/widgets/qfontcombobox.cpp b/src/widgets/widgets/qfontcombobox.cpp
index db01543629..bdf5092d9e 100644
--- a/src/widgets/widgets/qfontcombobox.cpp
+++ b/src/widgets/widgets/qfontcombobox.cpp
@@ -53,6 +53,10 @@
 #include <QDesktopWidget>
 #include <qdebug.h>
 
+#include <QtGui/private/qguiapplication_p.h>
+#include <qpa/qplatformintegration.h>
+#include <qpa/qplatformfontdatabase.h>
+
 QT_BEGIN_NAMESPACE
 
 static QFontDatabase::WritingSystem writingSystemFromScript(QLocale::Script script)
@@ -328,7 +332,12 @@ void QFontComboBoxPrivate::_q_updateModel()
     int offset = 0;
     QFontInfo fi(currentFont);
 
+    QPlatformFontDatabase *pfdb = QGuiApplicationPrivate::platformIntegration()->fontDatabase();
+
     for (int i = 0; i < list.size(); ++i) {
+        if (pfdb->isPrivateFontFamily(list.at(i)))
+            continue;
+
         if ((filters & scalableMask) && (filters & scalableMask) != scalableMask) {
             if (bool(filters & QFontComboBox::ScalableFonts) != fdb.isSmoothlyScalable(list.at(i)))
                 continue;
diff --git a/src/widgets/widgets/qwidgetanimator.cpp b/src/widgets/widgets/qwidgetanimator.cpp
index 1209ade536..a2d950c12b 100644
--- a/src/widgets/widgets/qwidgetanimator.cpp
+++ b/src/widgets/widgets/qwidgetanimator.cpp
@@ -41,6 +41,7 @@
 
 #include <QtCore/qpropertyanimation.h>
 #include <QtWidgets/qwidget.h>
+#include <QtWidgets/qstyle.h>
 #include <private/qmainwindowlayout_p.h>
 
 #include "qwidgetanimator_p.h"
diff --git a/src/winmain/winmain.pro b/src/winmain/winmain.pro
index 284f2a2201..b891e4bce0 100644
--- a/src/winmain/winmain.pro
+++ b/src/winmain/winmain.pro
@@ -29,10 +29,7 @@ load(qt_installs)
 TARGET = $$qtLibraryTarget($$TARGET$$QT_LIBINFIX) #do this towards the end
 
 load(qt_targets)
+load(qt_build_paths)
+load(qt_common)
 
 wince*:QMAKE_POST_LINK =
-
-lib_replace.match = $$[QT_INSTALL_LIBS/get]
-lib_replace.replace = $$[QT_INSTALL_LIBS/raw]
-lib_replace.CONFIG = path
-QMAKE_PRL_INSTALL_REPLACE += lib_replace