Merge branch 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1

123 files changed, 1987 insertions, 1261 deletions

diff --git a/src/3rdparty/phonon/ds9/videowidget.cpp b/src/3rdparty/phonon/ds9/videowidget.cpp
index 1eddaee..09d42a4 100644
--- a/src/3rdparty/phonon/ds9/videowidget.cpp
+++ b/src/3rdparty/phonon/ds9/videowidget.cpp
@@ -223,6 +223,9 @@ namespace Phonon
             if (toNative && m_noNativeRendererSupported)
                 return current; //no switch here
 
+            if (!mediaObject())
+                return current;
+
             //firt we delete the renderer
             //initialization of the widgets
             for(int i = 0; i < FILTER_COUNT; ++i) {
diff --git a/src/3rdparty/phonon/mmf/environmentalreverb.cpp b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
index 4a6ce29..d4f5223 100644
--- a/src/3rdparty/phonon/mmf/environmentalreverb.cpp
+++ b/src/3rdparty/phonon/mmf/environmentalreverb.cpp
@@ -139,77 +139,68 @@ bool EnvironmentalReverb::getParameters(CMdaAudioOutputStream *stream,
         TInt32 min, max;
         TUint32 umin, umax;
 
-        // DecayHFRatio
-	// Ratio of high-frequency decay time to the value specified by
-	// DecayTime.
         effect->DecayHFRatioRange(umin, umax);
+        //: DecayHFRatio: Ratio of high-frequency decay time to the value specified by
+        //: DecayTime.
         parameters.append(createParameter(
             DecayHFRatio, tr("Decay HF ratio (%)"), effect->DecayHFRatio(),
             umin, umax));
 
-        // DecayTime
-	// Time over which reverberation is diminished.
         effect->DecayTimeRange(umin, umax);
+        //: DecayTime: Time over which reverberation is diminished.
         parameters.append(createParameter(
             DecayTime, tr("Decay time (ms)"), effect->DecayTime(),
             umin, umax));
 
-        // Density
-	// Delay between first and subsequent reflections.
-	// Note that the S60 platform documentation does not make clear
-	// the distinction between this value and the Diffusion value.
+        //: Density Delay between first and subsequent reflections.
+        //: Note that the S60 platform documentation does not make clear
+        //: the distinction between this value and the Diffusion value.
         parameters.append(createParameter(
             Density, tr("Density (%)"), effect->Density(), 0, 100));
 
-        // Diffusion
-	// Delay between first and subsequent reflections.
-	// Note that the S60 platform documentation does not make clear
-	// the distinction between this value and the Density value.
+        //: Diffusion: Delay between first and subsequent reflections.
+        //: Note that the S60 platform documentation does not make clear
+        //: the distinction between this value and the Density value.
         parameters.append(createParameter(
             Diffusion, tr("Diffusion (%)"), effect->Diffusion(), 0, 100));
 
-        // ReflectionsDelay
-	// Amount of delay between the arrival the direct path from the
-	// source and the arrival of the first reflection.
+        //: ReflectionsDelay: Amount of delay between the arrival the direct
+        //: path from the source and the arrival of the first reflection.
         parameters.append(createParameter(
             ReflectionsDelay, tr("Reflections delay (ms)"),
             effect->ReflectionsDelay(), 0, effect->ReflectionsDelayMax()));
 
-        // ReflectionsLevel
-	// Amplitude of reflections.  This value is corrected by the RoomLevel
-        // to give the final reflection amplitude.
-	effect->ReflectionLevelRange(min, max);
+        effect->ReflectionLevelRange(min, max);
+        //: ReflectionsLevel: Amplitude of reflections. This value is
+        //: corrected by the RoomLevel to give the final reflection amplitude.
         parameters.append(createParameter(
             ReflectionsLevel, tr("Reflections level (mB)"),
             effect->ReflectionsLevel(),
             min, max, EffectParameter::LogarithmicHint));
 
-        // ReverbDelay
-	// Amount of time between arrival of the first reflection and start of
-	// the late reverberation.
+        //: ReverbDelay: Amount of time between arrival of the first
+        //: reflection and start of the late reverberation.
         parameters.append(createParameter(
             ReverbDelay, tr("Reverb delay (ms)"), effect->ReverbDelay(),
             0, effect->ReverbDelayMax()));
 
-        // ReverbLevel
-	// Amplitude of reverberations.  This value is corrected by the
-	// RoomLevel to give the final reverberation amplitude.
         effect->ReverbLevelRange(min, max);
+        //: ReverbLevel Amplitude of reverberations.  This value is
+        //: corrected by the RoomLevel to give the final reverberation
+        //: amplitude.
         parameters.append(createParameter(
             ReverbLevel, tr("Reverb level (mB)"), effect->ReverbLevel(),
             min, max, EffectParameter::LogarithmicHint));
 
-        // RoomHFLevel
-	// Amplitude of low-pass filter used to attenuate the high frequency
-	// component of reflected sound.
         effect->RoomHFLevelRange(min, max);
+        //: RoomHFLevel: Amplitude of low-pass filter used to attenuate the
+        //: high frequency component of reflected sound.
         parameters.append(createParameter(
             RoomHFLevel, tr("Room HF level"), effect->RoomHFLevel(),
             min, max));
 
-        // RoomLevel
-	// Master volume control for all reflected sound.
         effect->RoomLevelRange(min, max);
+        //: RoomLevel: Master volume control for all reflected sound.
         parameters.append(createParameter(
             RoomLevel, tr("Room level (mB)"), effect->RoomLevel(),
             min, max, EffectParameter::LogarithmicHint));
diff --git a/src/3rdparty/s60/eiksoftkeyimage.h b/src/3rdparty/s60/eiksoftkeyimage.h
new file mode 100644
index 0000000..84f6108a
--- /dev/null
+++ b/src/3rdparty/s60/eiksoftkeyimage.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** 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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Changes cba button's label to image.
+*
+*/
+
+#ifndef EIKSOFTKEYIMAGE_H
+#define EIKSOFTKEYIMAGE_H
+
+// FORWARD DECLARATIONS
+class CEikButtonGroupContainer;
+
+// CLASS DECLARATION
+
+/**
+*  Changes cba button's label to image.
+*
+*  @lib EIKCOCTL
+*  @since 2.0
+*/
+class EikSoftkeyImage
+    {
+    public:
+
+        /**
+        * Set image to cba button by replacing label
+        * @since 2.0
+        * @param aButtonGroupContainer Button container
+        * @param aImage Image to button,
+        *               Takes Images ownership
+        * @param aLeft  Boolean: left or right button.
+        *                        If true, then change left,
+        *                        if false, change right
+        */
+        IMPORT_C static void SetImage(CEikButtonGroupContainer* aButtonGroupContainer, CEikImage& aImage, TBool aLeft);
+
+        /**
+        * Change to cba button image back to label
+        * @since 2.0
+        * @param aButtonGroupContainer Button container
+        * @param aLeft Boolean: left or right button.
+        *                        If true, then change left,
+        *                        if false, change right
+        */
+        IMPORT_C static void SetLabel(CEikButtonGroupContainer* aButtonGroupContainer, TBool aLeft);
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        EikSoftkeyImage() {};
+
+
+    };
+
+#endif      // EIKSOFTKEYIMAGE_H
+
+// End of File
+
diff --git a/src/3rdparty/webkit/VERSION b/src/3rdparty/webkit/VERSION
index c304876..4348cbc 100644
--- a/src/3rdparty/webkit/VERSION
+++ b/src/3rdparty/webkit/VERSION
@@ -8,4 +8,4 @@ The commit imported was from the
 
 and has the sha1 checksum
 
-        69dd29fbeb12d076741dce70ac6bc155101ccd6f
+        da5d96a26e80162027bc95ce7e5725fe4b277ff7
diff --git a/src/3rdparty/webkit/WebCore/ChangeLog b/src/3rdparty/webkit/WebCore/ChangeLog
index 18d119a..1f6f290 100644
--- a/src/3rdparty/webkit/WebCore/ChangeLog
+++ b/src/3rdparty/webkit/WebCore/ChangeLog
@@ -2,6 +2,44 @@
 
         Reviewed by Kenneth Rohde Christiansen.
 
+        [Qt] In the StyledPainter determine the style from the Render and Scrollbar theme instead of from the paint device
+        https://bugs.webkit.org/show_bug.cgi?id=34054
+
+        Getting the style from the painter's paint device is a hack that breaks when
+        the paint device's style is different than the style that is used when
+        calculating the metries earlier when there is no painter available.
+
+        This change moves us closer to always using the same style.
+
+        * platform/qt/RenderThemeQt.cpp:
+        (WebCore::StylePainter::StylePainter):
+        (WebCore::StylePainter::init):
+        (WebCore::RenderThemeQt::paintButton):
+        (WebCore::RenderThemeQt::paintTextField):
+        (WebCore::RenderThemeQt::paintMenuList):
+        (WebCore::RenderThemeQt::paintMenuListButton):
+        (WebCore::RenderThemeQt::paintSliderTrack):
+        (WebCore::RenderThemeQt::paintMediaMuteButton):
+        (WebCore::RenderThemeQt::paintMediaPlayButton):
+        (WebCore::RenderThemeQt::paintMediaSliderTrack):
+        (WebCore::RenderThemeQt::paintMediaSliderThumb):
+        * platform/qt/RenderThemeQt.h:
+        * platform/qt/ScrollbarThemeQt.cpp:
+        (WebCore::ScrollbarThemeQt::paint):
+        (WebCore::ScrollbarThemeQt::hitTest):
+        (WebCore::ScrollbarThemeQt::shouldCenterOnThumb):
+        (WebCore::ScrollbarThemeQt::scrollbarThickness):
+        (WebCore::ScrollbarThemeQt::thumbLength):
+        (WebCore::ScrollbarThemeQt::trackPosition):
+        (WebCore::ScrollbarThemeQt::trackLength):
+        (WebCore::ScrollbarThemeQt::paintScrollCorner):
+        (WebCore::ScrollbarThemeQt::style):
+        * platform/qt/ScrollbarThemeQt.h:
+
+2010-01-25  Simon Hausmann  <hausmann@webkit.org>
+
+        Reviewed by Kenneth Rohde Christiansen.
+
         [Qt] Use the fallback style on Maemo 5
 
         https://bugs.webkit.org/show_bug.cgi?id=34376
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
index 6a1eee8..37a6408 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
+++ b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.cpp
@@ -44,6 +44,7 @@
 #include "Page.h"
 #include "RenderBox.h"
 #include "RenderTheme.h"
+#include "ScrollbarThemeQt.h"
 #include "UserAgentStyleSheets.h"
 #include "QWebPageClient.h"
 #include "qwebpage.h"
@@ -66,17 +67,17 @@ namespace WebCore {
 using namespace HTMLNames;
 
 
-StylePainter::StylePainter(const RenderObject::PaintInfo& paintInfo)
+StylePainter::StylePainter(RenderThemeQt* theme, const RenderObject::PaintInfo& paintInfo)
 {
-    init(paintInfo.context ? paintInfo.context : 0);
+    init(paintInfo.context ? paintInfo.context : 0, theme->qStyle());
 }
 
-StylePainter::StylePainter(GraphicsContext* context)
+StylePainter::StylePainter(ScrollbarThemeQt* theme, GraphicsContext* context)
 {
-    init(context);
+    init(context, theme->style());
 }
 
-void StylePainter::init(GraphicsContext* context)
+void StylePainter::init(GraphicsContext* context, QStyle* themeStyle)
 {
     painter = static_cast<QPainter*>(context->platformContext());
     widget = 0;
@@ -85,7 +86,7 @@ void StylePainter::init(GraphicsContext* context)
         dev = painter->device();
     if (dev && dev->devType() == QInternal::Widget)
         widget = static_cast<QWidget*>(dev);
-    style = (widget ? widget->style() : QApplication::style());
+    style = themeStyle;
 
     if (painter) {
         // the styles often assume being called with a pristine painter where no brush is set,
@@ -464,7 +465,7 @@ void RenderThemeQt::setButtonPadding(RenderStyle* style) const
 
 bool RenderThemeQt::paintButton(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
        return true;
 
@@ -497,7 +498,7 @@ void RenderThemeQt::adjustTextFieldStyle(CSSStyleSelector*, RenderStyle* style,
 
 bool RenderThemeQt::paintTextField(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -566,7 +567,7 @@ void RenderThemeQt::setPopupPadding(RenderStyle* style) const
 
 bool RenderThemeQt::paintMenuList(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -606,7 +607,7 @@ void RenderThemeQt::adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle* st
 bool RenderThemeQt::paintMenuListButton(RenderObject* o, const RenderObject::PaintInfo& i,
                                         const IntRect& r)
 {
-    StylePainter p(i);
+    StylePainter p(this, i);
     if (!p.isValid())
         return true;
 
@@ -837,7 +838,7 @@ bool RenderThemeQt::paintMediaMuteButton(RenderObject* o, const RenderObject::Pa
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -866,7 +867,7 @@ bool RenderThemeQt::paintMediaPlayButton(RenderObject* o, const RenderObject::Pa
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -905,7 +906,7 @@ bool RenderThemeQt::paintMediaSliderTrack(RenderObject* o, const RenderObject::P
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
@@ -932,7 +933,7 @@ bool RenderThemeQt::paintMediaSliderThumb(RenderObject* o, const RenderObject::P
     if (!mediaElement)
         return false;
 
-    StylePainter p(paintInfo);
+    StylePainter p(this, paintInfo);
     if (!p.isValid())
         return true;
 
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
index 19337ac..13fb42f 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
+++ b/src/3rdparty/webkit/WebCore/platform/qt/RenderThemeQt.h
@@ -35,6 +35,7 @@ namespace WebCore {
 
 class RenderStyle;
 class HTMLMediaElement;
+class ScrollbarThemeQt;
 
 class RenderThemeQt : public RenderTheme {
 private:
@@ -75,6 +76,8 @@ public:
     virtual String extraMediaControlsStyleSheet();
 #endif
 
+    QStyle* qStyle() const;
+
 protected:
     virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r);
     virtual void setCheckboxSize(RenderStyle*) const;
@@ -137,7 +140,6 @@ private:
     void setButtonPadding(RenderStyle*) const;
     void setPopupPadding(RenderStyle*) const;
 
-    QStyle* qStyle() const;
     QStyle* fallbackStyle() const;
 
     Page* m_page;
@@ -152,8 +154,8 @@ private:
 
 class StylePainter {
 public:
-    explicit StylePainter(const RenderObject::PaintInfo& paintInfo);
-    explicit StylePainter(GraphicsContext* context);
+    explicit StylePainter(RenderThemeQt*, const RenderObject::PaintInfo&);
+    explicit StylePainter(ScrollbarThemeQt*, GraphicsContext*);
     ~StylePainter();
 
     bool isValid() const { return painter && style; }
@@ -170,7 +172,7 @@ public:
     { style->drawComplexControl(cc, &opt, painter, widget); }
 
 private:
-    void init(GraphicsContext* context);
+    void init(GraphicsContext* context, QStyle*);
 
     QBrush oldBrush;
     bool oldAntialiasing;
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
index 561e55f..c0692ca 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
+++ b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.cpp
@@ -140,7 +140,7 @@ bool ScrollbarThemeQt::paint(Scrollbar* scrollbar, GraphicsContext* graphicsCont
        return false;
     }
 
-    StylePainter p(graphicsContext);
+    StylePainter p(this, graphicsContext);
     if (!p.isValid())
       return true;
 
@@ -172,14 +172,14 @@ ScrollbarPart ScrollbarThemeQt::hitTest(Scrollbar* scrollbar, const PlatformMous
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
     const QPoint pos = scrollbar->convertFromContainingWindow(evt.pos());
     opt->rect.moveTo(QPoint(0, 0));
-    QStyle::SubControl sc = QApplication::style()->hitTestComplexControl(QStyle::CC_ScrollBar, opt, pos, 0);
+    QStyle::SubControl sc = style()->hitTestComplexControl(QStyle::CC_ScrollBar, opt, pos, 0);
     return scrollbarPart(sc);
 }
 
 bool ScrollbarThemeQt::shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent& evt)
 {
     // Middle click centers slider thumb (if supported)
-    return QApplication::style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition) && evt.button() == MiddleButton;
+    return style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition) && evt.button() == MiddleButton;
 }
 
 void ScrollbarThemeQt::invalidatePart(Scrollbar* scrollbar, ScrollbarPart)
@@ -190,13 +190,12 @@ void ScrollbarThemeQt::invalidatePart(Scrollbar* scrollbar, ScrollbarPart)
 
 int ScrollbarThemeQt::scrollbarThickness(ScrollbarControlSize controlSize)
 {
-    QStyle* s = QApplication::style();
     QStyleOptionSlider o;
     o.orientation = Qt::Vertical;
     o.state &= ~QStyle::State_Horizontal;
     if (controlSize != RegularScrollbar)
         o.state |= QStyle::State_Mini;
-    return s->pixelMetric(QStyle::PM_ScrollBarExtent, &o, 0);
+    return style()->pixelMetric(QStyle::PM_ScrollBarExtent, &o, 0);
 }
 
 int ScrollbarThemeQt::thumbPosition(Scrollbar* scrollbar)
@@ -209,21 +208,21 @@ int ScrollbarThemeQt::thumbPosition(Scrollbar* scrollbar)
 int ScrollbarThemeQt::thumbLength(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect thumb = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarSlider, 0);
+    IntRect thumb = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarSlider, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? thumb.width() : thumb.height();
 }
 
 int ScrollbarThemeQt::trackPosition(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect track = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
+    IntRect track = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? track.x() - scrollbar->x() : track.y() - scrollbar->y();
 }
 
 int ScrollbarThemeQt::trackLength(Scrollbar* scrollbar)
 {
     QStyleOptionSlider* opt = styleOptionSlider(scrollbar);
-    IntRect track = QApplication::style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
+    IntRect track = style()->subControlRect(QStyle::CC_ScrollBar, opt, QStyle::SC_ScrollBarGroove, 0);
     return scrollbar->orientation() == HorizontalScrollbar ? track.width() : track.height();
 }
 
@@ -237,7 +236,7 @@ void ScrollbarThemeQt::paintScrollCorner(ScrollView* scrollView, GraphicsContext
 #if QT_VERSION < 0x040500
     context->fillRect(rect, QApplication::palette().color(QPalette::Normal, QPalette::Window));
 #else
-    StylePainter p(context);
+    StylePainter p(this, context);
     if (!p.isValid())
         return;
 
@@ -247,5 +246,10 @@ void ScrollbarThemeQt::paintScrollCorner(ScrollView* scrollView, GraphicsContext
 #endif
 }
 
+QStyle* ScrollbarThemeQt::style() const
+{
+    return QApplication::style();
+}
+
 }
 
diff --git a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
index 6ca44ea..cf4882d 100644
--- a/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
+++ b/src/3rdparty/webkit/WebCore/platform/qt/ScrollbarThemeQt.h
@@ -28,6 +28,12 @@
 
 #include "ScrollbarTheme.h"
 
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+class QStyle;
+QT_END_NAMESPACE
+
 namespace WebCore {
 
 class ScrollbarThemeQt : public ScrollbarTheme {
@@ -49,6 +55,8 @@ public:
     virtual int trackLength(Scrollbar*);
 
     virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
+
+    QStyle* style() const;
 };
 
 }
diff --git a/src/activeqt/container/qaxbase.cpp b/src/activeqt/container/qaxbase.cpp
index 99447a9..02a29d9 100644
--- a/src/activeqt/container/qaxbase.cpp
+++ b/src/activeqt/container/qaxbase.cpp
@@ -2543,6 +2543,11 @@ void MetaObjectGenerator::readFuncsInfo(ITypeInfo *typeinfo, ushort nFuncs)
                     break;
             }
             if (funcdesc->invkind == INVOKE_PROPERTYPUT) {
+                // remove the typename guessed for property setters
+                // its done only for setter's with more than one parameter.
+                if (funcdesc->cParams - funcdesc->cParamsOpt > 1) {
+                    type.clear();
+                }
                 QByteArray set;
                 if (isupper(prototype.at(0))) {
                     set = "Set";
diff --git a/src/corelib/codecs/qtextcodec.cpp b/src/corelib/codecs/qtextcodec.cpp
index 86845c7..43ea1c8 100644
--- a/src/corelib/codecs/qtextcodec.cpp
+++ b/src/corelib/codecs/qtextcodec.cpp
@@ -958,8 +958,8 @@ QTextCodec *QTextCodec::codecForName(const QByteArray &name)
         if (nameMatch(cursor->name(), name))
             return cursor;
         QList<QByteArray> aliases = cursor->aliases();
-        for (int i = 0; i < aliases.size(); ++i)
-            if (nameMatch(aliases.at(i), name))
+        for (int y = 0; y < aliases.size(); ++y)
+            if (nameMatch(aliases.at(y), name))
                 return cursor;
     }
 
diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
index 7f33791..9a15bf1 100644
--- a/src/corelib/corelib.pro
+++ b/src/corelib/corelib.pro
@@ -35,6 +35,4 @@ symbian: {
     # Workaroud for problems with paging this dll
     MMP_RULES -= PAGED
     MMP_RULES *= UNPAGED
-    # Timezone server
-    LIBS += -ltzclient
 }
diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
index f5d803e..7cfdddf 100644
--- a/src/corelib/io/qdir.cpp
+++ b/src/corelib/io/qdir.cpp
@@ -89,8 +89,6 @@ public:
     QDirPrivate(const QDir *copy = 0);
     ~QDirPrivate();
 
-    QString initFileEngine(const QString &file);
-
     void updateFileLists() const;
     void sortFileList(QDir::SortFlags, QFileInfoList &, QStringList *, QFileInfoList *) const;
 
@@ -146,6 +144,7 @@ public:
     } *data;
     inline void setPath(const QString &p)
     {
+        detach(false);
         QString path = p;
         if ((path.endsWith(QLatin1Char('/')) || path.endsWith(QLatin1Char('\\')))
                 && path.length() > 1) {
@@ -155,8 +154,12 @@ public:
                 path.truncate(path.length() - 1);
         }
 
+        delete data->fileEngine;
+        data->fileEngine = QAbstractFileEngine::create(path);
+
         // set the path to be the qt friendly version so then we can operate on it using just /
-        data->path = initFileEngine(path);
+        data->path = data->fileEngine->fileName(QAbstractFileEngine::DefaultName);
+        data->clear();
     }
     inline void reset() {
         detach();
@@ -310,15 +313,6 @@ inline void QDirPrivate::updateFileLists() const
     }
 }
 
-inline QString QDirPrivate::initFileEngine(const QString &path)
-{
-    detach(false);
-    data->clear();
-    delete data->fileEngine;
-    data->fileEngine = QAbstractFileEngine::create(path);
-    return data->fileEngine->fileName(QAbstractFileEngine::DefaultName);
-}
-
 void QDirPrivate::detach(bool createFileEngine)
 {
     qAtomicDetach(data);
diff --git a/src/corelib/io/qfilesystemwatcher_inotify.cpp b/src/corelib/io/qfilesystemwatcher_inotify.cpp
index a7dc8fa..4740a89 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 f088ded..8396481 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/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index dbf422e..b0503be 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1006,6 +1006,9 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
     Returns the child of the model index that is stored in the given \a row and
     \a column.
 
+    \note This function does not work for an invalid model index which is often
+    used as the root index.
+
     \sa parent(), sibling()
 */
 
@@ -1245,7 +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/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp
index 9a361c0..c1027ed 100644
--- a/src/corelib/tools/qdatetime.cpp
+++ b/src/corelib/tools/qdatetime.cpp
@@ -75,7 +75,6 @@
 
 #if defined(Q_OS_SYMBIAN)
 #include <e32std.h>
-#include <tz.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -3722,32 +3721,23 @@ static QDateTimePrivate::Spec utcToLocal(QDate &date, QTime &time)
 #elif defined(Q_OS_SYMBIAN)
     // months and days are zero index based
     _LIT(KUnixEpoch, "19700000:000000.000000");
+    TTimeIntervalSeconds utcOffset = User::UTCOffset();
     TTimeIntervalSeconds tTimeIntervalSecsSince1Jan1970UTC(secsSince1Jan1970UTC);
     TTime epochTTime;
     TInt err = epochTTime.Set(KUnixEpoch);
     tm res;
     if(err == KErrNone) {
         TTime utcTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC;
-        TRAP(err,
-            RTz tz;
-            User::LeaveIfError(tz.Connect());
-            CleanupClosePushL(tz);
-            res.tm_isdst = tz.IsDaylightSavingOnL(*tz.GetTimeZoneIdL(),utcTTime);
-            User::LeaveIfError(tz.ConvertToLocalTime(utcTTime));
-            CleanupStack::PopAndDestroy(&tz));
-        if (KErrNone == err) {
-            TDateTime localDateTime = utcTTime.DateTime();
-            res.tm_sec = localDateTime.Second();
-            res.tm_min = localDateTime.Minute();
-            res.tm_hour = localDateTime.Hour();
-            res.tm_mday = localDateTime.Day() + 1; // non-zero based index for tm struct
-            res.tm_mon = localDateTime.Month();
-            res.tm_year = localDateTime.Year() - 1900;
-            // Symbian's timezone server doesn't know how to handle DST before year 1997
-            if (res.tm_year < 97)
-                res.tm_isdst = -1;
-            brokenDown = &res;
-        }
+        utcTTime = utcTTime + utcOffset;
+        TDateTime utcDateTime = utcTTime.DateTime();
+        res.tm_sec = utcDateTime.Second();
+        res.tm_min = utcDateTime.Minute();
+        res.tm_hour = utcDateTime.Hour();
+        res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct
+        res.tm_mon = utcDateTime.Month();
+        res.tm_year = utcDateTime.Year() - 1900;
+        res.tm_isdst = 0;
+        brokenDown = &res;
     }
 #elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
     // use the reentrant version of localtime() where available
@@ -3822,27 +3812,23 @@ static void localToUtc(QDate &date, QTime &time, int isdst)
 #elif defined(Q_OS_SYMBIAN)
     // months and days are zero index based
     _LIT(KUnixEpoch, "19700000:000000.000000");
+    TTimeIntervalSeconds utcOffset = TTimeIntervalSeconds(0 - User::UTCOffset().Int());
     TTimeIntervalSeconds tTimeIntervalSecsSince1Jan1970UTC(secsSince1Jan1970UTC);
     TTime epochTTime;
     TInt err = epochTTime.Set(KUnixEpoch);
     tm res;
     if(err == KErrNone) {
-        TTime localTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC;
-        RTz tz;
-        if (KErrNone == tz.Connect()) {
-            if (KErrNone == tz.ConvertToUniversalTime(localTTime)) {
-                TDateTime utcDateTime = localTTime.DateTime();
-                res.tm_sec = utcDateTime.Second();
-                res.tm_min = utcDateTime.Minute();
-                res.tm_hour = utcDateTime.Hour();
-                res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct
-                res.tm_mon = utcDateTime.Month();
-                res.tm_year = utcDateTime.Year() - 1900;
-                res.tm_isdst = (int)isdst;
-                brokenDown = &res;
-            }
-        tz.Close();
-        }
+        TTime utcTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC;
+        utcTTime = utcTTime + utcOffset;
+        TDateTime utcDateTime = utcTTime.DateTime();
+        res.tm_sec = utcDateTime.Second();
+        res.tm_min = utcDateTime.Minute();
+        res.tm_hour = utcDateTime.Hour();
+        res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct
+        res.tm_mon = utcDateTime.Month();
+        res.tm_year = utcDateTime.Year() - 1900;
+        res.tm_isdst = (int)isdst;
+        brokenDown = &res;
     }
 #elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS)
     // use the reentrant version of gmtime() where available
diff --git a/src/corelib/tools/qpoint.cpp b/src/corelib/tools/qpoint.cpp
index d60087f..9850ee7 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/qstringbuilder.h b/src/corelib/tools/qstringbuilder.h
index ddb5c7d..74661c2 100644
--- a/src/corelib/tools/qstringbuilder.h
+++ b/src/corelib/tools/qstringbuilder.h
@@ -71,7 +71,7 @@ public:
 
 private:
     const int m_size;
-    const char *m_data;
+    const char * const m_data;
 };
 
 struct Q_CORE_EXPORT QAbstractConcatenable
diff --git a/src/dbus/qdbus_symbols_p.h b/src/dbus/qdbus_symbols_p.h
index 9ea05b2..7168e05 100644
--- a/src/dbus/qdbus_symbols_p.h
+++ b/src/dbus/qdbus_symbols_p.h
@@ -196,6 +196,8 @@ DEFINEFUNC(void  , dbus_free, (void  *memory), (memory), )
 /* dbus-message.h */
 DEFINEFUNC(DBusMessage* , dbus_message_copy, (const DBusMessage *message),
            (message), return)
+DEFINEFUNC(dbus_bool_t   , dbus_message_get_auto_start, (DBusMessage   *message),
+           (message), return)
 DEFINEFUNC(const char*   , dbus_message_get_error_name, (DBusMessage   *message),
            (message), return)
 DEFINEFUNC(const char*   , dbus_message_get_interface, (DBusMessage   *message),
@@ -268,6 +270,9 @@ DEFINEFUNC(DBusMessage* , dbus_message_new_signal, (const char  *path,
            (path, interface, name), return)
 DEFINEFUNC(DBusMessage*  , dbus_message_ref, (DBusMessage   *message),
            (message), return)
+DEFINEFUNC(void          , dbus_message_set_auto_start, (DBusMessage   *message,
+                                                         dbus_bool_t    auto_start),
+           (message, auto_start), return)
 DEFINEFUNC(dbus_bool_t   , dbus_message_set_destination, (DBusMessage   *message,
                                                           const char    *destination),
            (message, destination), return)
diff --git a/src/dbus/qdbusmessage.cpp b/src/dbus/qdbusmessage.cpp
index 83b5503..79c7644 100644
--- a/src/dbus/qdbusmessage.cpp
+++ b/src/dbus/qdbusmessage.cpp
@@ -63,7 +63,7 @@ static inline const char *data(const QByteArray &arr)
 QDBusMessagePrivate::QDBusMessagePrivate()
     : msg(0), reply(0), type(DBUS_MESSAGE_TYPE_INVALID),
       timeout(-1), localReply(0), ref(1), delayedReply(false), localMessage(false),
-      parametersValidated(false)
+      parametersValidated(false), autoStartService(true)
 {
 }
 
@@ -129,6 +129,7 @@ DBusMessage *QDBusMessagePrivate::toDBusMessage(const QDBusMessage &message, QDB
 
         msg = q_dbus_message_new_method_call(data(d_ptr->service.toUtf8()), d_ptr->path.toUtf8(),
                                              data(d_ptr->interface.toUtf8()), d_ptr->name.toUtf8());
+        q_dbus_message_set_auto_start( msg, d_ptr->autoStartService );
         break;
     case DBUS_MESSAGE_TYPE_METHOD_RETURN:
         msg = q_dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
@@ -644,6 +645,46 @@ bool QDBusMessage::isDelayedReply() const
 }
 
 /*!
+    Sets whether this message will have the auto start flag.
+    This flag only makes sense for method call messages. For
+    these messages it tells the D-Bus server to either auto
+    start the service responsible for the service name, or
+    not to auto start it.
+
+    By default this flag is true, i.e. a service is autostarted.
+    This means:
+
+    When the service that this method call is sent to is already
+    running, the method call is sent to it. If the service is not
+    running yet, the D-Bus daemon is requested to autostart the
+    service that is assigned to this service name. This is
+    handled by .service files that are placed in a directory known
+    to the D-Bus server. These files then each contain a service
+    name and the path to a program that should be executed when
+    this service name is requested.
+
+    \since 4.7
+*/
+void QDBusMessage::setAutoStartService(bool enable)
+{
+    d_ptr->autoStartService = enable;
+}
+
+/*!
+    Returns the auto start flag, as set by setAutoStartService(). By default, this
+    flag is true, which means QtDBus will auto start a service, if it is
+    not running already.
+
+    \sa setAutoStartService()
+
+    \since 4.7
+*/
+bool QDBusMessage::autoStartService() const
+{
+    return d_ptr->autoStartService;
+}
+
+/*!
     Sets the arguments that are going to be sent over D-Bus to \a arguments. Those
     will be the arguments to a method call or the parameters in the signal.
 
diff --git a/src/dbus/qdbusmessage.h b/src/dbus/qdbusmessage.h
index 1a85983..6df5215 100644
--- a/src/dbus/qdbusmessage.h
+++ b/src/dbus/qdbusmessage.h
@@ -104,6 +104,9 @@ public:
     void setDelayedReply(bool enable) const;
     bool isDelayedReply() const;
 
+    void setAutoStartService(bool enable);
+    bool autoStartService() const;
+
     void setArguments(const QList<QVariant> &arguments);
     QList<QVariant> arguments() const;
 
diff --git a/src/dbus/qdbusmessage_p.h b/src/dbus/qdbusmessage_p.h
index 6bf5448..b6da4a5 100644
--- a/src/dbus/qdbusmessage_p.h
+++ b/src/dbus/qdbusmessage_p.h
@@ -85,6 +85,7 @@ public:
     mutable uint delayedReply : 1;
     uint localMessage : 1;
     mutable uint parametersValidated : 1;
+    uint autoStartService : 1;
 
     static void setParametersValidated(QDBusMessage &msg, bool enable)
     { msg.d_ptr->parametersValidated = enable; }
diff --git a/src/gui/dialogs/qdialog.cpp b/src/gui/dialogs/qdialog.cpp
index 9ff2ad8..fb0dba4 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.cpp b/src/gui/dialogs/qfiledialog.cpp
index 21650bb..089e04a 100644
--- a/src/gui/dialogs/qfiledialog.cpp
+++ b/src/gui/dialogs/qfiledialog.cpp
@@ -229,11 +229,10 @@ Q_GUI_EXPORT _qt_filedialog_save_filename_hook qt_filedialog_save_filename_hook
     \value ReadOnly Indicates that the model is readonly.
 
     \value HideNameFilterDetails Indicates if the is hidden or not.
-    This value is obsolete and does nothing since Qt 4.5:
 
     \value DontUseSheet In previous versions of Qt, the static
     functions would create a sheet by default if the static function
-    was given a parent. This is no longer supported in Qt 4.5, The
+    was given a parent. This is no longer supported and does nothing in Qt 4.5, The
     static functions will always be an application modal dialog. If
     you want to use sheets, use QFileDialog::open() instead.
 
diff --git a/src/gui/dialogs/qfilesystemmodel.cpp b/src/gui/dialogs/qfilesystemmodel.cpp
index 0e1837b..ba0a560 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
 
@@ -278,53 +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
 
@@ -342,7 +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;
@@ -1357,7 +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
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index d1b2e3f..ed437ff 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/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index ed36f87..b4e19d1 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -2569,6 +2569,7 @@ void QGraphicsItem::setOpacity(qreal opacity)
     if (newOpacity == d_ptr->opacity)
         return;
 
+    bool wasFullyTransparent = d_ptr->isOpacityNull();
     d_ptr->opacity = newOpacity;
 
     // Notify change.
@@ -2584,7 +2585,9 @@ void QGraphicsItem::setOpacity(qreal opacity)
         d_ptr->scene->d_func()->markDirty(this, QRectF(),
                                           /*invalidateChildren=*/true,
                                           /*force=*/false,
-                                          /*ignoreOpacity=*/true);
+                                          /*ignoreOpacity=*/d_ptr->isOpacityNull());
+        if (wasFullyTransparent)
+            d_ptr->paintedViewBoundingRectsNeedRepaint = 1;
     }
 
     if (d_ptr->isObject)
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 5ad6cd5..b3ca3b5 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -358,14 +358,20 @@ public:
         return o;
     }
 
+    inline bool isOpacityNull() const
+    { return (opacity < qreal(0.001)); }
+
+    static inline bool isOpacityNull(qreal opacity)
+    { return (opacity < qreal(0.001)); }
+
     inline bool isFullyTransparent() const
     {
-        if (opacity < 0.001)
+        if (isOpacityNull())
             return true;
         if (!parent)
             return false;
 
-        return calcEffectiveOpacity() < 0.001;
+        return isOpacityNull(calcEffectiveOpacity());
     }
 
     inline qreal effectiveOpacity() const {
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 478669e..9a36d46 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -251,6 +251,7 @@
 #endif
 #include <private/qgraphicseffect_p.h>
 #include <private/qgesturemanager_p.h>
+#include <private/qpathclipper_p.h>
 
 // #define GESTURE_DEBUG
 #ifndef GESTURE_DEBUG
@@ -372,7 +373,10 @@ void QGraphicsScenePrivate::_q_emitUpdated()
             }
         }
     } else {
-        updateAll = false;
+        if (views.isEmpty()) {
+            updateAll = false;
+            return;
+        }
         for (int i = 0; i < views.size(); ++i)
             views.at(i)->d_func()->processPendingUpdates();
         // It's important that we update all views before we dispatch, hence two for-loops.
@@ -4605,6 +4609,7 @@ void QGraphicsScenePrivate::drawItems(QPainter *painter, const QTransform *const
     if (!unpolishedItems.isEmpty())
         _q_polishItems();
 
+    updateAll = false;
     QRectF exposedSceneRect;
     if (exposedRegion && indexMethod != QGraphicsScene::NoIndex) {
         exposedSceneRect = exposedRegion->boundingRect().adjusted(-1, -1, 1, 1);
@@ -4632,7 +4637,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
         return; // Item has neither contents nor children!(?)
 
     const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity);
-    const bool itemIsFullyTransparent = (opacity < 0.0001);
+    const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity);
     if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity()))
         return;
 
@@ -4752,7 +4757,7 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
                                  qreal opacity, const QTransform *effectTransform,
                                  bool wasDirtyParentSceneTransform, bool drawItem)
 {
-    const bool itemIsFullyTransparent = (opacity < 0.0001);
+    const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity);
     const bool itemClipsChildrenToShape = (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape);
     const bool itemHasChildren = !item->d_ptr->children.isEmpty();
 
@@ -4767,7 +4772,12 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
                 painter->setWorldTransform(*transformPtr * *effectTransform);
             else
                 painter->setWorldTransform(*transformPtr);
-            painter->setClipPath(item->shape(), Qt::IntersectClip);
+            QRectF clipRect;
+            const QPainterPath clipPath(item->shape());
+            if (QPathClipper::pathToRect(clipPath, &clipRect))
+                painter->setClipRect(clipRect, Qt::IntersectClip);
+            else
+                painter->setClipPath(clipPath, Qt::IntersectClip);
         }
 
         // Draw children behind
@@ -4803,8 +4813,14 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
                 painter->setWorldTransform(*transformPtr);
         }
 
-        if (itemClipsToShape)
-            painter->setClipPath(item->shape(), Qt::IntersectClip);
+        if (itemClipsToShape) {
+            QRectF clipRect;
+            const QPainterPath clipPath(item->shape());
+            if (QPathClipper::pathToRect(clipPath, &clipRect))
+                painter->setClipRect(clipRect, Qt::IntersectClip);
+            else
+                painter->setClipPath(clipPath, Qt::IntersectClip);
+        }
         painter->setOpacity(opacity);
 
         if (!item->d_ptr->cacheMode && !item->d_ptr->isWidget)
@@ -4982,7 +4998,8 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool
     }
 
     const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity);
-    const bool itemIsFullyTransparent = !item->d_ptr->ignoreOpacity && opacity < 0.0001;
+    const bool itemIsFullyTransparent = !item->d_ptr->ignoreOpacity
+                                        && QGraphicsItemPrivate::isOpacityNull(opacity);
     if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity())) {
         resetDirtyItem(item, /*recursive=*/itemHasChildren);
         return;
@@ -5155,6 +5172,7 @@ void QGraphicsScene::drawItems(QPainter *painter,
     if (!d->unpolishedItems.isEmpty())
         d->_q_polishItems();
 
+    d->updateAll = false;
     QTransform viewTransform = painter->worldTransform();
     Q_UNUSED(options);
 
diff --git a/src/gui/graphicsview/qgraphicssceneindex.cpp b/src/gui/graphicsview/qgraphicssceneindex.cpp
index 043c4eb..707c71f 100644
--- a/src/gui/graphicsview/qgraphicssceneindex.cpp
+++ b/src/gui/graphicsview/qgraphicssceneindex.cpp
@@ -279,7 +279,7 @@ void QGraphicsSceneIndexPrivate::recursive_items_helper(QGraphicsItem *item, QRe
         return;
 
     const qreal opacity = item->d_ptr->combineOpacityFromParent(parentOpacity);
-    const bool itemIsFullyTransparent = (opacity < 0.0001);
+    const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity);
     const bool itemHasChildren = !item->d_ptr->children.isEmpty();
     if (itemIsFullyTransparent && (!itemHasChildren || item->d_ptr->childrenCombineOpacity()))
         return;
@@ -554,7 +554,7 @@ QList<QGraphicsItem *> QGraphicsSceneIndex::estimateTopLevelItems(const QRectF &
 
 /*!
     \fn QList<QGraphicsItem *> QGraphicsSceneIndex::items(Qt::SortOrder order = Qt::DescendingOrder) const
-    
+
     This pure virtual function all items in the index and sort them using
     \a order.
 */
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index 451f183..96b9373 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -2748,7 +2748,6 @@ bool QGraphicsView::viewportEvent(QEvent *event)
                     }
                 }
             }
-            d->scene->d_func()->updateAll = false;
         }
         break;
     case QEvent::TouchBegin:
diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp
index 61d538f..ace4bb6 100644
--- a/src/gui/image/qimagepixmapcleanuphooks.cpp
+++ b/src/gui/image/qimagepixmapcleanuphooks.cpp
@@ -62,12 +62,12 @@ QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
     return qt_image_and_pixmap_cleanup_hooks();
 }
 
-void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
 {
     pixmapModificationHooks.append(hook);
 }
 
-void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
 {
     pixmapDestructionHooks.append(hook);
 }
@@ -78,12 +78,12 @@ void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
     imageHooks.append(hook);
 }
 
-void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
 {
     pixmapModificationHooks.removeAll(hook);
 }
 
-void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
 {
     pixmapDestructionHooks.removeAll(hook);
 }
@@ -93,24 +93,24 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
     imageHooks.removeAll(hook);
 }
 
-void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm)
+void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd)
 {
     QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
     for (int i = 0; i < h->pixmapModificationHooks.count(); ++i)
-        h->pixmapModificationHooks[i](pm);
+        h->pixmapModificationHooks[i](pmd);
 
     if (qt_pixmap_cleanup_hook_64)
-        qt_pixmap_cleanup_hook_64(pm->cacheKey());
+        qt_pixmap_cleanup_hook_64(pmd->cacheKey());
 }
 
-void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm)
+void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd)
 {
     QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
     for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i)
-        h->pixmapDestructionHooks[i](pm);
+        h->pixmapDestructionHooks[i](pmd);
 
     if (qt_pixmap_cleanup_hook_64)
-        qt_pixmap_cleanup_hook_64(pm->cacheKey());
+        qt_pixmap_cleanup_hook_64(pmd->cacheKey());
 }
 
 void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h
index 7176044..88dd3a6 100644
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h
@@ -58,7 +58,8 @@
 QT_BEGIN_NAMESPACE
 
 typedef void (*_qt_image_cleanup_hook_64)(qint64);
-typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*);
+typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPixmapData*);
+
 
 class QImagePixmapCleanupHooks;
 
@@ -71,27 +72,27 @@ public:
     static void enableCleanupHooks(const QPixmap &pixmap);
     static void enableCleanupHooks(QPixmapData *pixmapData);
 
-    // Gets called when a pixmap is about to be modified:
-    void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
+    // Gets called when a pixmap data is about to be modified:
+    void addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd);
 
-    // Gets called when a pixmap is about to be destroyed:
-    void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
+    // Gets called when a pixmap data is about to be destroyed:
+    void addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd);
 
     // Gets called when an image is about to be modified or destroyed:
     void addImageHook(_qt_image_cleanup_hook_64);
 
-    void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
-    void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
+    void removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd);
+    void removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd);
     void removeImageHook(_qt_image_cleanup_hook_64);
 
-    static void executePixmapModificationHooks(QPixmap*);
-    static void executePixmapDestructionHooks(QPixmap*);
+    static void executePixmapDataModificationHooks(QPixmapData*);
+    static void executePixmapDataDestructionHooks(QPixmapData*);
     static void executeImageHooks(qint64 key);
 
 private:
     QList<_qt_image_cleanup_hook_64> imageHooks;
-    QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks;
-    QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks;
+    QList<_qt_pixmap_cleanup_hook_pmd> pixmapModificationHooks;
+    QList<_qt_pixmap_cleanup_hook_pmd> pixmapDestructionHooks;
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index e51d858..7cafbd0 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -320,8 +320,6 @@ QPixmap::QPixmap(const char * const xpm[])
 QPixmap::~QPixmap()
 {
     Q_ASSERT(!data || data->ref >= 1); // Catch if ref-counting changes again
-    if (data && data->is_cached && data->ref == 1) // ref will be decrememnted after destructor returns
-        QImagePixmapCleanupHooks::executePixmapDestructionHooks(this);
 }
 
 /*!
@@ -1025,12 +1023,8 @@ qint64 QPixmap::cacheKey() const
     if (isNull())
         return 0;
 
-    int classKey = data->classId();
-    if (classKey >= 1024)
-        classKey = -(classKey >> 10);
-    return ((((qint64) classKey) << 56)
-            | (((qint64) data->serialNumber()) << 32)
-            | ((qint64) (data->detach_no)));
+    Q_ASSERT(data);
+    return data->cacheKey();
 }
 
 static void sendResizeEvents(QWidget *target)
@@ -1963,7 +1957,7 @@ void QPixmap::detach()
     }
 
     if (data->is_cached && data->ref == 1)
-        QImagePixmapCleanupHooks::executePixmapModificationHooks(this);
+        QImagePixmapCleanupHooks::executePixmapDataModificationHooks(data.data());
 
 #if defined(Q_WS_MAC)
     QMacPixmapData *macData = id == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0;
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 4de5bc4..b976376 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -68,6 +68,7 @@
 #include "qx11info_x11.h"
 #include <private/qdrawhelper_p.h>
 #include <private/qimage_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
 
 #include <stdlib.h>
 
@@ -1234,6 +1235,12 @@ void QX11PixmapData::fill(const QColor &fillColor)
 
 QX11PixmapData::~QX11PixmapData()
 {
+    // Cleanup hooks have to be called before the handles are freed
+    if (is_cached) {
+        QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this);
+        is_cached = false;
+    }
+
     release();
 }
 
@@ -1242,8 +1249,13 @@ void QX11PixmapData::release()
     delete pengine;
     pengine = 0;
 
-    if (!X11)
+    if (!X11) {
+#ifndef QT_NO_DEBUG
+        qWarning("~QX11PixmapData(): QPixmap objects must be destroyed before the QApplication"
+                 " object, otherwise the native pixmap object will be leaked.");
+#endif
         return;
+    }
 
     if (x11_mask) {
 #ifndef QT_NO_XRENDER
diff --git a/src/gui/image/qpixmapdata.cpp b/src/gui/image/qpixmapdata.cpp
index 65032da..ea4fe6b 100644
--- a/src/gui/image/qpixmapdata.cpp
+++ b/src/gui/image/qpixmapdata.cpp
@@ -45,6 +45,7 @@
 #include <QtGui/qimagereader.h>
 #include <private/qgraphicssystem_p.h>
 #include <private/qapplication_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -80,6 +81,16 @@ QPixmapData::QPixmapData(PixelType pixelType, int objectId)
 
 QPixmapData::~QPixmapData()
 {
+    // Sometimes the pixmap cleanup hooks will be called from derrived classes, which will
+    // then set is_cached to false. For example, on X11 QtOpenGL needs to delete the GLXPixmap
+    // or EGL Pixmap Surface for a given pixmap _before_ the native X11 pixmap is deleted,
+    // otherwise some drivers will leak the GL surface. In this case, QX11PixmapData will
+    // call the cleanup hooks itself before deleting the native pixmap and set is_cached to
+    // false.
+    if (is_cached) {
+        QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this);
+        is_cached = false;
+    }
 }
 
 QPixmapData *QPixmapData::createCompatiblePixmapData() const
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index 1125515..827fa18 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -117,6 +117,14 @@ public:
     inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); }
     inline int depth() const { return d; }
     inline bool isNull() const { return is_null; }
+    inline qint64 cacheKey() const {
+        int classKey = id;
+        if (classKey >= 1024)
+            classKey = -(classKey >> 10);
+        return ((((qint64) classKey) << 56)
+                | (((qint64) ser_no) << 32)
+                | ((qint64) detach_no));
+    }
 
 #if defined(Q_OS_SYMBIAN)
     virtual void* toNativeType(NativeType type);
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index d5406cb..dd31834 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/qcoefepinputcontext_p.h b/src/gui/inputmethod/qcoefepinputcontext_p.h
index f5034fc..d5243c3 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_p.h
+++ b/src/gui/inputmethod/qcoefepinputcontext_p.h
@@ -96,7 +96,7 @@ protected:
     void timerEvent(QTimerEvent *timerEvent);
 
 private:
-    void commitCurrentString(bool triggeredBySymbian);
+    void commitCurrentString(bool cancelFepTransaction);
     void updateHints(bool mustUpdateInputCapabilities);
     void applyHints(Qt::InputMethodHints hints);
     void applyFormat(QList<QInputMethodEvent::Attribute> *attributes);
@@ -127,7 +127,7 @@ public:
 private:
     void DoCommitFepInlineEditL();
     MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);
-	void ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType);
+    void ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType);
 
     // From MCoeFepAwareTextEditor_Extension1
 public:
@@ -151,7 +151,6 @@ private:
     int m_inlinePosition;
     MFepInlineTextFormatRetriever *m_formatRetriever;
     MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;
-    int m_longPress;
     int m_cursorPos;
     QBasicTimer m_tempPreeditStringTimeout;
     bool m_hasTempPreeditString;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index e5ab300..2b91711 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -71,7 +71,6 @@ QCoeFepInputContext::QCoeFepInputContext(QObject *parent)
       m_inlinePosition(0),
       m_formatRetriever(0),
       m_pointerHandler(0),
-      m_longPress(0),
       m_cursorPos(0),
       m_hasTempPreeditString(false)
 {
@@ -101,7 +100,7 @@ QCoeFepInputContext::~QCoeFepInputContext()
 
 void QCoeFepInputContext::reset()
 {
-    commitCurrentString(false);
+    commitCurrentString(true);
 }
 
 void QCoeFepInputContext::ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType)
@@ -126,7 +125,7 @@ void QCoeFepInputContext::update()
 
 void QCoeFepInputContext::setFocusWidget(QWidget *w)
 {
-    commitCurrentString(false);
+    commitCurrentString(true);
 
     QInputContext::setFocusWidget(w);
 
@@ -219,7 +218,7 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
             break;
         case Qt::Key_Select:
             if (!m_preeditString.isEmpty()) {
-                commitCurrentString(false);
+                commitCurrentString(true);
                 return true;
             }
             break;
@@ -231,10 +230,11 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
             && focusWidget()->inputMethodHints() & Qt::ImhHiddenText
             && !keyEvent->text().isEmpty()) {
             // Send some temporary preedit text in order to make text visible for a moment.
+            m_cursorPos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
             m_preeditString = keyEvent->text();
             QList<QInputMethodEvent::Attribute> attributes;
             QInputMethodEvent imEvent(m_preeditString, attributes);
-            QApplication::sendEvent(focusWidget(), &imEvent);
+            sendEvent(imEvent);
             m_tempPreeditStringTimeout.start(1000, this);
             m_hasTempPreeditString = true;
             update();
@@ -293,7 +293,7 @@ void QCoeFepInputContext::mouseHandler( int x, QMouseEvent *event)
     Q_ASSERT(focusWidget());
 
     if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::LeftButton) {
-        commitCurrentString(false);
+        commitCurrentString(true);
         int pos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
 
         QList<QInputMethodEvent::Attribute> attributes;
@@ -739,31 +739,33 @@ void QCoeFepInputContext::GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLin
 
 void QCoeFepInputContext::DoCommitFepInlineEditL()
 {
-    commitCurrentString(true);
+    commitCurrentString(false);
 }
 
-void QCoeFepInputContext::commitCurrentString(bool triggeredBySymbian)
+void QCoeFepInputContext::commitCurrentString(bool cancelFepTransaction)
 {
+    int longPress = 0;
+
     if (m_preeditString.size() == 0) {
         QWidget *w = focusWidget();
-        if (triggeredBySymbian && w) {
+        if (!cancelFepTransaction && w) {
             // We must replace the last character only if the input box has already accepted one 
             if (w->inputMethodQuery(Qt::ImCursorPosition).toInt() != m_cursorPos)
-                m_longPress = 1;
+                longPress = 1;
         }
         return;
     }
 
     QList<QInputMethodEvent::Attribute> attributes;
     QInputMethodEvent event(QLatin1String(""), attributes);
-    event.setCommitString(m_preeditString, 0-m_longPress, m_longPress);
+    event.setCommitString(m_preeditString, 0-longPress, longPress);
     m_preeditString.clear();
     sendEvent(event);
 
     m_hasTempPreeditString = false;
-    m_longPress = 0;
+    longPress = 0;
 
-    if (!triggeredBySymbian) {
+    if (cancelFepTransaction) {
         CCoeFep* fep = CCoeEnv::Static()->Fep();
         if (fep)
             fep->CancelTransaction();
diff --git a/src/gui/kernel/qaction.cpp b/src/gui/kernel/qaction.cpp
index 4b7d949..8ddd051 100644
--- a/src/gui/kernel/qaction.cpp
+++ b/src/gui/kernel/qaction.cpp
@@ -715,6 +715,10 @@ QActionGroup *QAction::actionGroup() const
     it is displayed to the left of the menu text. There is no default
     icon.
 
+    On Symbian the icons which are passed to softkeys, i.e. to actions with
+    softkey role, need to have pixmap alpha channel correctly set otherwise
+    drawing artifacts will appear when softkey is pressed down.
+
     If a null icon (QIcon::isNull() is passed into this function,
     the icon of the action is cleared.
 */
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 1fc1b45..bb6aca9 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -5707,7 +5707,6 @@ QGestureManager* QGestureManager::instance()
     return qAppPriv->gestureManager;
 }
 
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
 // These pixmaps approximate the images in the Windows User Interface Guidelines.
 
 // XPM
@@ -5929,7 +5928,6 @@ QPixmap QApplicationPrivate::getPixmapCursor(Qt::CursorShape cshape)
     }
     return QPixmap();
 }
-#endif
 
 QT_END_NAMESPACE
 
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 3fba833..0199e87 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -1237,7 +1237,7 @@ void qt_init(QApplicationPrivate *priv, int)
 
     // Cocoa application delegate
 #ifdef QT_MAC_USE_COCOA
-    NSApplication *cocoaApp = [NSApplication sharedApplication];
+    NSApplication *cocoaApp = [QNSApplication sharedApplication];
     QMacCocoaAutoReleasePool pool;
     NSObject *oldDelegate = [cocoaApp delegate];
     QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 0764553..d19d86e 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -518,17 +518,13 @@ public:
 
     QGestureManager *gestureManager;
     QWidget *gestureWidget;
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
     QPixmap *move_cursor;
     QPixmap *copy_cursor;
     QPixmap *link_cursor;
-#endif
 #if defined(Q_WS_WIN)
     QPixmap *ignore_cursor;
 #endif
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
     QPixmap getPixmapCursor(Qt::CursorShape cshape);
-#endif
 
     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 20b8030..87de602 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -924,8 +924,8 @@ void QSymbianControl::PositionChanged()
         cr.moveTopLeft(newPos);
         qwidget->data->crect = cr;
         QTLWExtra *top = qwidget->d_func()->maybeTopData();
-        if (top)
-            top->normalGeometry = cr;
+        if (top && (qwidget->windowState() & (~Qt::WindowActive)) == Qt::WindowNoState)
+            top->normalGeometry.moveTopLeft(newPos);
         if (qwidget->isVisible()) {
             QMoveEvent e(newPos, oldPos);
             qt_sendSpontaneousEvent(qwidget, &e);
@@ -960,15 +960,14 @@ void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
         qwidget->d_func()->setWindowIcon_sys(true);
         qwidget->d_func()->setWindowTitle_sys(qwidget->windowTitle());
 #ifdef Q_WS_S60
-        // If widget is fullscreen, hide status pane and button container
-        // otherwise show them.
+        // If widget is fullscreen/minimized, hide status pane and button container otherwise show them.
         CEikStatusPane* statusPane = S60->statusPane();
         CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
-        bool isFullscreen = qwidget->windowState() & Qt::WindowFullScreen;
-        if (statusPane && (bool)statusPane->IsVisible() == isFullscreen)
-            statusPane->MakeVisible(!isFullscreen);
-        if (buttonGroup && (bool)buttonGroup->IsVisible() == isFullscreen)
-            buttonGroup->MakeVisible(!isFullscreen);
+        TBool visible = !(qwidget->windowState() & (Qt::WindowFullScreen | Qt::WindowMinimized));
+        if (statusPane)
+            statusPane->MakeVisible(visible);
+        if (buttonGroup)
+            buttonGroup->MakeVisible(visible);
 #endif
     } else if (QApplication::activeWindow() == qwidget->window()) {
         if (CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog()) {
@@ -1647,6 +1646,9 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
             if (visChangedEvent->iFlags & TWsVisibilityChangedEvent::ENotVisible) {
                 delete w->d_func()->topData()->backingStore;
                 w->d_func()->topData()->backingStore = 0;
+                // In order to ensure that any resources used by the window surface
+                // are immediately freed, we flush the WSERV command buffer.
+                S60->wsSession().Flush();
             } else if ((visChangedEvent->iFlags & TWsVisibilityChangedEvent::EPartiallyVisible)
                        && !w->d_func()->maybeBackingStore()) {
                 w->d_func()->topData()->backingStore = new QWidgetBackingStore(w);
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 3355272..2c6e246 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -2547,6 +2547,17 @@ LRESULT CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam
             result = true;
             break;
         }
+#ifndef QT_NO_CURSOR
+        case WM_SETCURSOR: {
+            QCursor *ovr = QApplication::overrideCursor();
+            if (ovr) {
+                SetCursor(ovr->handle());
+                RETURN(TRUE);
+            }
+            result = false;
+            break;
+        }
+#endif
         default:
             result = false;                        // event was not processed
             break;
diff --git a/src/gui/kernel/qcocoaapplication_mac.mm b/src/gui/kernel/qcocoaapplication_mac.mm
index 5b98420..5629940 100644
--- a/src/gui/kernel/qcocoaapplication_mac.mm
+++ b/src/gui/kernel/qcocoaapplication_mac.mm
@@ -107,5 +107,50 @@
             | NSFontPanelStrikethroughEffectModeMask;
 }
 
+
+- (void)qt_sendPostedMessage:(NSEvent *)event
+{
+    // WARNING: data1 and data2 is truncated to from 64-bit to 32-bit on OS 10.5! 
+    // That is why we need to split the address in two parts:
+    quint64 lower = [event data1];
+    quint64 upper = [event data2];
+    QCocoaPostMessageArgs *args = reinterpret_cast<QCocoaPostMessageArgs *>(lower | (upper << 32));
+    [args->target performSelector:args->selector];
+    delete args;
+}
+
+- (BOOL)qt_sendEvent:(NSEvent *)event
+{
+    if ([event type] == NSApplicationDefined) {
+        switch ([event subtype]) {
+            case QtCocoaEventSubTypePostMessage:
+                [NSApp qt_sendPostedMessage:event];
+                return true;
+            default:
+                break;
+        }
+    }
+    return false;
+}
+
 @end
+
+@implementation QNSApplication
+
+// WARNING: If Qt did not create NSApplication (this can e.g.
+// happend if Qt is used as a plugin from a 3rd-party cocoa
+// application), QNSApplication::sendEvent will never be called.
+// SO DO NOT RELY ON THIS FUNCTION BEING AVAILABLE. 
+// Plugin developers that _do_ control the NSApplication sub-class
+// implementation of the 3rd-party application can call qt_sendEvent
+// from the sub-class event handler (like we do here) to work around
+// any issues.
+- (void)sendEvent:(NSEvent *)event
+{
+    if (![self qt_sendEvent:event])
+        [super sendEvent:event];
+}
+
+@end
+
 #endif
diff --git a/src/gui/kernel/qcocoaapplication_mac_p.h b/src/gui/kernel/qcocoaapplication_mac_p.h
index e845d58..5569feb 100644
--- a/src/gui/kernel/qcocoaapplication_mac_p.h
+++ b/src/gui/kernel/qcocoaapplication_mac_p.h
@@ -99,5 +99,13 @@ QT_FORWARD_DECLARE_CLASS(QApplicationPrivate)
 - (QApplicationPrivate *)QT_MANGLE_NAMESPACE(qt_qappPrivate);
 - (QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *)QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader);
 - (int)QT_MANGLE_NAMESPACE(qt_validModesForFontPanel):(NSFontPanel *)fontPanel;
+
+- (void)qt_sendPostedMessage:(NSEvent *)event;
+- (BOOL)qt_sendEvent:(NSEvent *)event;
+@end
+
+@interface QNSApplication : NSApplication {
+}
 @end
+
 #endif
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index 18b3772..573b763 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -46,6 +46,7 @@
 #include <private/qcocoamenuloader_mac_p.h>
 #include <private/qapplication_p.h>
 #include <private/qt_mac_p.h>
+#include <private/qmenubar_p.h>
 #include <qmenubar.h>
 
 QT_FORWARD_DECLARE_CLASS(QCFString)
@@ -208,6 +209,11 @@ QT_USE_NAMESPACE
     [NSApp hide:sender];
 }
 
+- (void)qtUpdateMenubar
+{
+    QMenuBarPrivate::macUpdateMenuBarImmediatly();
+}
+
 - (IBAction)qtDispatcherToQAction:(id)sender
 {
     QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);
diff --git a/src/gui/kernel/qcocoamenuloader_mac_p.h b/src/gui/kernel/qcocoamenuloader_mac_p.h
index 81c136e..2504b8c 100644
--- a/src/gui/kernel/qcocoamenuloader_mac_p.h
+++ b/src/gui/kernel/qcocoamenuloader_mac_p.h
@@ -85,6 +85,7 @@
 - (IBAction)unhideAllApplications:(id)sender;
 - (IBAction)hide:(id)sender;
 - (IBAction)qtDispatcherToQAction:(id)sender;
+- (void)qtUpdateMenubar;
 @end
 
 #endif // QT_MAC_USE_COCOA
diff --git a/src/gui/kernel/qcocoapanel_mac.mm b/src/gui/kernel/qcocoapanel_mac.mm
index 3012093..0b48efd 100644
--- a/src/gui/kernel/qcocoapanel_mac.mm
+++ b/src/gui/kernel/qcocoapanel_mac.mm
@@ -47,6 +47,9 @@
 #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>
+
 
 #include <QtGui/QWidget>
 
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index d8bbcd4..9fe5ae0 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -51,6 +51,9 @@
  NSPanel, while QCocoaWindow needs to inherit NSWindow rather than NSPanel).
 ****************************************************************************/
 
+// WARNING: Don't include any header files from within this file. Put them
+// directly into qcocoawindow_mac_p.h and qcocoapanel_mac_p.h
+
 QT_BEGIN_NAMESPACE
 extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
@@ -180,8 +183,18 @@ QT_END_NAMESPACE
 
 - (void)sendEvent:(NSEvent *)event
 {
-    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if ([event type] == NSApplicationDefined) {
+        switch ([event subtype]) {
+            case QtCocoaEventSubTypePostMessage:
+                [NSApp qt_sendPostedMessage:event];
+                return;
+            default:
+                break;
+        }
+        return;
+    }
 
+    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
     // Cocoa can hold onto the window after we've disavowed its knowledge. So,
     // if we get sent an event afterwards just have it go through the super's
     // version and don't do any stuff with Qt.
@@ -205,7 +218,7 @@ 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:
@@ -303,9 +316,9 @@ QT_END_NAMESPACE
 {
     // 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 
+    // 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 
+    // 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.
 
@@ -369,3 +382,18 @@ QT_END_NAMESPACE
     return dropResult;
 }
 
+- (void)displayIfNeeded
+{
+
+    QWidget *qwidget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if (qwidget == 0) {
+        [super displayIfNeeded];
+        return;
+    }
+
+    if (QApplicationPrivate::graphicsSystem() != 0) {
+        if (QWidgetBackingStore *bs = qt_widget_private(qwidget)->maybeBackingStore())
+            bs->sync(qwidget, qwidget->rect());
+    }
+    [super displayIfNeeded];
+}
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index aa00e97..c3fbaad 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -474,10 +474,11 @@ extern "C" {
 - (void)drawRect:(NSRect)aRect
 {
     if (QApplicationPrivate::graphicsSystem() != 0) {
-        if (QWidgetBackingStore *bs = qwidgetprivate->maybeBackingStore())
-            bs->markDirty(qwidget->rect(), qwidget);
-        qwidgetprivate->syncBackingStore(qwidget->rect());
-        return;
+        if (QWidgetBackingStore *bs = qwidgetprivate->maybeBackingStore()) {
+            // Drawing is handled on the window level
+            // See qcocoasharedwindowmethods_mac_p.
+            return;
+        }
     }
     CGContextRef cg = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
     qwidgetprivate->hd = cg;
diff --git a/src/gui/kernel/qcocoawindow_mac_p.h b/src/gui/kernel/qcocoawindow_mac_p.h
index 403a1a5..21f82df 100644
--- a/src/gui/kernel/qcocoawindow_mac_p.h
+++ b/src/gui/kernel/qcocoawindow_mac_p.h
@@ -53,6 +53,9 @@
 #ifdef QT_MAC_USE_COCOA
 #include "qmacdefines_mac.h"
 #import <Cocoa/Cocoa.h>
+#include <private/qapplication_p.h>
+#include <private/qbackingstore_p.h>
+
 
 enum { QtMacCustomizeWindow = 1 << 21 }; // This will one day be run over by
 
diff --git a/src/gui/kernel/qdesktopwidget_s60.cpp b/src/gui/kernel/qdesktopwidget_s60.cpp
index 77745ea..84e3c5d 100644
--- a/src/gui/kernel/qdesktopwidget_s60.cpp
+++ b/src/gui/kernel/qdesktopwidget_s60.cpp
@@ -88,24 +88,20 @@ QDesktopWidgetPrivate::~QDesktopWidgetPrivate()
 
 void QDesktopWidgetPrivate::init(QDesktopWidget *that)
 {
-    int screenCount=0;
+//    int screenCount=0;
 
-    if (HAL::Get(0, HALData::EDisplayNumberOfScreens, screenCount) == KErrNone)
-        QDesktopWidgetPrivate::screenCount = screenCount;
-    else
-        QDesktopWidgetPrivate::screenCount = 0;
+    // ### TODO: Implement proper multi-display support
+	QDesktopWidgetPrivate::screenCount = 1;
+//    if (HAL::Get(0, HALData::EDisplayNumberOfScreens, screenCount) == KErrNone)
+//        QDesktopWidgetPrivate::screenCount = screenCount;
+//    else
+//        QDesktopWidgetPrivate::screenCount = 0;
 
     rects = new QVector<QRect>();
     workrects = new QVector<QRect>();
 
     rects->resize(QDesktopWidgetPrivate::screenCount);
     workrects->resize(QDesktopWidgetPrivate::screenCount);
-
-    // ### TODO: Implement proper multi-display support
-    rects->resize(1);
-    rects->replace(0, that->rect());
-    workrects->resize(1);
-    workrects->replace(0, that->rect());
 }
 
 void QDesktopWidgetPrivate::cleanup()
diff --git a/src/gui/kernel/qdnd.cpp b/src/gui/kernel/qdnd.cpp
index 82708ef..2b3a3d0 100644
--- a/src/gui/kernel/qdnd.cpp
+++ b/src/gui/kernel/qdnd.cpp
@@ -167,7 +167,6 @@ QDragManager *QDragManager::self()
     return instance;
 }
 
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
 QPixmap QDragManager::dragCursor(Qt::DropAction action) const
 {
     QDragPrivate * d = dragPrivate();
@@ -185,7 +184,6 @@ QPixmap QDragManager::dragCursor(Qt::DropAction action) const
 #endif
     return QPixmap();
 }
-#endif
 
 bool QDragManager::hasCustomDragCursors() const
 {
diff --git a/src/gui/kernel/qdnd_p.h b/src/gui/kernel/qdnd_p.h
index 1eb85ed..033e6a6 100644
--- a/src/gui/kernel/qdnd_p.h
+++ b/src/gui/kernel/qdnd_p.h
@@ -244,9 +244,7 @@ public:
     bool willDrop;
     QEventLoop *eventLoop;
 
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
     QPixmap dragCursor(Qt::DropAction action) const;
-#endif
 
     bool hasCustomDragCursors() const;
 
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index c7d042d..8a67dee 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -1064,10 +1064,9 @@ 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];
+        subtype:QtCocoaEventSubTypeWakeup data1:0 data2:0] atStart:NO];
 }
 #endif
 
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
index 67ed8b0..af84a8f 100644
--- a/src/gui/kernel/qsoftkeymanager_s60.cpp
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -49,7 +49,7 @@
 #include "private/qsoftkeymanager_p.h"
 #include "private/qsoftkeymanager_s60_p.h"
 #include "private/qobject_p.h"
-//#include <eiksoftkeyimage.h>
+#include <eiksoftkeyimage.h>
 #include <eikcmbut.h>
 
 #ifndef QT_NO_SOFTKEYMANAGER
@@ -64,6 +64,8 @@ QSoftKeyManagerPrivateS60::QSoftKeyManagerPrivateS60()
 {
     cachedCbaIconSize[0] = QSize(0,0);
     cachedCbaIconSize[1] = QSize(0,0);
+    cachedCbaIconSize[2] = QSize(0,0);
+    cachedCbaIconSize[3] = QSize(0,0);
     skipNextUpdate = false;
 }
 
@@ -149,6 +151,39 @@ void QSoftKeyManagerPrivateS60::setNativeSoftkey(CEikButtonGroupContainer &cba,
     QT_TRAP_THROWING(cba.SetCommandL(position, command, text));
 }
 
+QPoint QSoftKeyManagerPrivateS60::softkeyIconPosition(int position, QSize sourceSize, QSize targetSize)
+{
+    QPoint iconPosition(0,0);
+    switch( AknLayoutUtils::CbaLocation() )
+        {
+        case AknLayoutUtils::EAknCbaLocationBottom:
+            // RSK must be moved to right, LSK in on correct position by default
+            if (position == RSK_POSITION)
+                iconPosition.setX(targetSize.width() - sourceSize.width());
+            break;
+        case AknLayoutUtils::EAknCbaLocationRight:
+        case AknLayoutUtils::EAknCbaLocationLeft:
+            // Already in correct position
+        default:
+            break;
+        }
+
+    // Align horizontally to center
+    iconPosition.setY((targetSize.height() - sourceSize.height()) >> 1);
+    return iconPosition;
+}
+
+QPixmap QSoftKeyManagerPrivateS60::prepareSoftkeyPixmap(QPixmap src, int position, QSize targetSize)
+{
+    QPixmap target(targetSize);
+    target.fill(Qt::transparent);
+    QPainter p;
+    p.begin(&target);
+    p.drawPixmap(softkeyIconPosition(position, src.size(), targetSize), src);
+    p.end();
+    return target;
+}
+
 bool QSoftKeyManagerPrivateS60::isOrientationLandscape()
 {
     // Hard to believe that there is no public API in S60 to
@@ -158,15 +193,11 @@ bool QSoftKeyManagerPrivateS60::isOrientationLandscape()
 
 QSize QSoftKeyManagerPrivateS60::cbaIconSize(CEikButtonGroupContainer *cba, int position)
 {
-    Q_UNUSED(cba);
-    Q_UNUSED(position);
 
-    // Will be implemented when EikSoftkeyImage usage license wise is OK
-/*
-    const int index = isOrientationLandscape() ? 0 : 1;
+    int index = position;
+    index += isOrientationLandscape() ? 0 : 1;
     if(cachedCbaIconSize[index].isNull()) {
         // Only way I figured out to get CBA icon size without RnD SDK, was
-        // Only way I figured out to get CBA icon size without RnD SDK, was
         // to set some dummy icon to CBA first and then ask CBA button CCoeControl::Size()
         // The returned value is cached to avoid unnecessary icon setting every time.
         const bool left = (position == LSK_POSITION);
@@ -178,38 +209,46 @@ QSize QSoftKeyManagerPrivateS60::cbaIconSize(CEikButtonGroupContainer *cba, int
             setNativeSoftkey(*cba, position, command, KNullDesC());
             cachedCbaIconSize[index] = qt_TSize2QSize(cba->ControlOrNull(command)->Size());
             EikSoftkeyImage::SetLabel(cba, left);
+
+            if(cachedCbaIconSize[index] == QSize(138,72)) {
+                // Hack for S60 5.0 (5800) landscape orientation, which return wrong icon size
+                cachedCbaIconSize[index] = QSize(60,60);
+            }
         }
     }
 
     return cachedCbaIconSize[index];
-*/
-    return QSize();
 }
 
 bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
                                             QAction &action, int position)
 {
     bool ret = false;
-    Q_UNUSED(cba);
-    Q_UNUSED(action);
-    Q_UNUSED(position);
 
-    // Will be implemented when EikSoftkeyImage usage license wise is OK
-    /*
     const bool left = (position == LSK_POSITION);
     if(position == LSK_POSITION || position == RSK_POSITION) {
         QIcon icon = action.icon();
         if (!icon.isNull()) {
-            QPixmap pm = icon.pixmap(cbaIconSize(cba, position));
-            pm = pm.scaled(cbaIconSize(cba, position));
-            QBitmap mask = pm.mask();
-            if (mask.isNull()) {
-                mask = QBitmap(pm.size());
-                mask.fill(Qt::color1);
+            // Get size of CBA icon area based on button position and orientation
+            QSize requiredIconSize = cbaIconSize(cba, position);
+            // Get pixmap out of icon based on preferred size, the aspect ratio is kept
+            QPixmap pmWihtAspectRatio = icon.pixmap(requiredIconSize);
+            // Native softkeys require that pixmap size is exactly the same as requiredIconSize
+            // prepareSoftkeyPixmap creates a new pixmap with requiredIconSize and blits the 'pmWihtAspectRatio'
+            // to correct location of it
+            QPixmap softkeyPixmap = prepareSoftkeyPixmap(pmWihtAspectRatio, position, requiredIconSize);
+
+            QPixmap softkeyAlpha = softkeyPixmap.alphaChannel();
+            // Alpha channel in 5.1 and older devices need to be inverted
+            // TODO: Switch to use toSymbianCFbsBitmap with invert when available
+            if(QSysInfo::s60Version() <= QSysInfo::SV_S60_5_1) {
+                QImage alphaImage = softkeyAlpha.toImage();
+                alphaImage.invertPixels();
+                softkeyAlpha = QPixmap::fromImage(alphaImage);
             }
 
-            CFbsBitmap* nBitmap = pm.toSymbianCFbsBitmap();
-            CFbsBitmap* nMask = mask.toSymbianCFbsBitmap();
+            CFbsBitmap* nBitmap = softkeyPixmap.toSymbianCFbsBitmap();
+            CFbsBitmap* nMask = softkeyAlpha.toSymbianCFbsBitmap();
 
             CEikImage* myimage = new (ELeave) CEikImage;
             myimage->SetPicture( nBitmap, nMask ); // nBitmap and nMask ownership transfered
@@ -221,7 +260,6 @@ bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
             EikSoftkeyImage::SetLabel(cba, left);
         }
     }
-    */
     return ret;
 }
 
@@ -272,6 +310,7 @@ bool QSoftKeyManagerPrivateS60::setRightSoftkey(CEikButtonGroupContainer &cba)
         if (windowType != Qt::Dialog && windowType != Qt::Popup) {
             QString text(QSoftKeyManager::tr("Exit"));
             TPtrC nativeText = qt_QString2TPtrC(text);
+            EikSoftkeyImage::SetLabel(&cba, false);
             setNativeSoftkey(cba, RSK_POSITION, EAknSoftkeyExit, nativeText);
             return true;
         }
@@ -303,7 +342,6 @@ void QSoftKeyManagerPrivateS60::setSoftkeys(CEikButtonGroupContainer &cba)
 
 void QSoftKeyManagerPrivateS60::updateSoftKeys_sys()
 {
-    //bool status = CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog();
     if (skipCbaUpdate())
         return;
 
diff --git a/src/gui/kernel/qsoftkeymanager_s60_p.h b/src/gui/kernel/qsoftkeymanager_s60_p.h
index 46e3596..f8bd6d9 100644
--- a/src/gui/kernel/qsoftkeymanager_s60_p.h
+++ b/src/gui/kernel/qsoftkeymanager_s60_p.h
@@ -84,6 +84,8 @@ private:
     QAction *highestPrioritySoftkey(QAction::SoftKeyRole role);
     static bool actionPriorityMoreThan(const QAction* item1, const QAction* item2);
     void setNativeSoftkey(CEikButtonGroupContainer &cba, TInt position, TInt command, const TDesC& text);
+    QPoint softkeyIconPosition(int position, QSize sourceSize, QSize targetSize);
+    QPixmap prepareSoftkeyPixmap(QPixmap src, int position, QSize targetSize);
     bool isOrientationLandscape();
     QSize cbaIconSize(CEikButtonGroupContainer *cba, int position);
     bool setSoftkeyImage(CEikButtonGroupContainer *cba, QAction &action, int position);
@@ -95,7 +97,7 @@ private:
 
 private:
     QHash<int, QAction*> realSoftKeyActions;
-    QSize cachedCbaIconSize[2];
+    QSize cachedCbaIconSize[4];
     bool skipNextUpdate;
 };
 
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index 377e5a0..f2ec4af 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -83,6 +83,7 @@
 #include <private/qt_cocoa_helpers_mac_p.h>
 #include <private/qt_mac_p.h>
 #include <private/qapplication_p.h>
+#include <private/qcocoaapplication_mac_p.h>
 #include <private/qcocoawindow_mac_p.h>
 #include <private/qcocoaview_mac_p.h>
 #include <private/qkeymapper_p.h>
@@ -1162,7 +1163,7 @@ CGContextRef qt_mac_graphicsContextFor(QWidget *widget)
     CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
     QDBeginCGContext(port, &context);
 #else
-    CGContextRef context = (CGContextRef)[[NSGraphicsContext graphicsContextWithWindow:qt_mac_window_for(widget)] graphicsPort];
+    CGContextRef context = reinterpret_cast<CGContextRef>([[qt_mac_window_for(widget) graphicsContext] graphicsPort]);
 #endif
     return context;
 }
@@ -1279,22 +1280,42 @@ void qt_cocoaChangeOverrideCursor(const QCursor &cursor)
     QMacCocoaAutoReleasePool pool;
     [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(cursor)) set];
 }
-#endif
 
-@implementation DebugNSApplication {
-}
-- (void)sendEvent:(NSEvent *)event
+//  WARNING: If Qt did not create NSApplication (e.g. in case it is
+//  used as a plugin), and at the same time, there is no window on
+//  screen (or the window that the event is sendt to becomes hidden etc
+//  before the event gets delivered), the message will not be performed.
+bool qt_cocoaPostMessage(id target, SEL selector)
 {
-    NSLog(@"NSAppDebug: sendEvent: %@", event);
-    return [super sendEvent:event];
-}
+    if (!target)
+        return false;
 
-- (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];
+    NSInteger windowNumber = 0;
+    if (![NSApp isMemberOfClass:[QNSApplication class]]) {
+        // INVARIANT: Cocoa is not using our NSApplication subclass. That means
+        // we don't control the main event handler either. So target the event
+        // for one of the windows on screen:
+        NSWindow *nswin = [NSApp mainWindow];
+        if (!nswin) {
+            nswin = [NSApp keyWindow];
+            if (!nswin)
+                return false;
+        }
+        windowNumber = [nswin windowNumber];
+    }
+
+    // WARNING: data1 and data2 is truncated to from 64-bit to 32-bit on OS 10.5! 
+    // That is why we need to split the address in two parts:
+    QCocoaPostMessageArgs *args = new QCocoaPostMessageArgs(target, selector);
+    quint32 lower = quintptr(args);
+    quint32 upper = quintptr(args) >> 32;
+    NSEvent *e = [NSEvent otherEventWithType:NSApplicationDefined
+        location:NSZeroPoint modifierFlags:0 timestamp:0 windowNumber:windowNumber
+        context:nil subtype:QtCocoaEventSubTypePostMessage data1:lower data2:upper];
+    [NSApp postEvent:e atStart:NO];
+    return true;
 }
-@end
+#endif
 
 QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
 {
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac_p.h b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
index ace8255..c43ea55 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac_p.h
+++ b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
@@ -114,6 +114,12 @@ typedef struct CGPoint NSPoint;
 #endif
 
 QT_BEGIN_NAMESPACE
+
+enum {
+    QtCocoaEventSubTypeWakeup       = SHRT_MAX,
+    QtCocoaEventSubTypePostMessage  = SHRT_MAX-1
+};
+
 Qt::MouseButtons qt_mac_get_buttons(int buttons);
 Qt::MouseButton qt_mac_get_button(EventMouseButton button);
 void macWindowFade(void * /*OSWindowRef*/ window, float durationSeconds = 0.15);
@@ -182,8 +188,23 @@ 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
+#ifdef QT_MAC_USE_COCOA
+class QCocoaPostMessageArgs {
+public:
+    id target;
+    SEL selector;
+    QCocoaPostMessageArgs(id target, SEL selector) : target(target), selector(selector)
+    {
+        [target retain];
+    }
+
+    ~QCocoaPostMessageArgs()
+    {
+        [target release];
+    }
+};
+bool qt_cocoaPostMessage(id target, SEL selector);
+#endif
 
 #endif
 
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 884447d..2e951b6 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1439,6 +1439,18 @@ QWidget::~QWidget()
     }
 #endif
 
+#ifdef Q_OS_SYMBIAN
+    if (d->extra && d->extra->topextra && d->extra->topextra->backingStore) {
+        // Okay, we are about to destroy the top-level window that owns
+        // the backing store. Make sure we delete the backing store right away
+        // before the window handle is invalid. This is important because
+        // the backing store will delete its window surface, which may or may
+        // not have a reference to this widget that will be used later to
+        // notify the window it no longer has a surface.
+        delete d->extra->topextra->backingStore;
+        d->extra->topextra->backingStore = 0;
+    }
+#endif
     if (QWidgetBackingStore *bs = d->maybeBackingStore()) {
         bs->removeDirtyWidget(this);
         if (testAttribute(Qt::WA_StaticContents))
@@ -1660,7 +1672,13 @@ void QWidgetPrivate::syncBackingStore()
         repaint_sys(dirty);
         dirty = QRegion();
     } else if (QWidgetBackingStore *bs = maybeBackingStore()) {
+#ifdef QT_MAC_USE_COCOA
+        Q_UNUSED(bs);
+        void qt_mac_set_needs_display(QWidget *, QRegion);
+        qt_mac_set_needs_display(q_func(), QRegion());
+#else
         bs->sync();
+#endif
     }
 }
 
@@ -1668,8 +1686,15 @@ void QWidgetPrivate::syncBackingStore(const QRegion &region)
 {
     if (paintOnScreen())
         repaint_sys(region);
-    else if (QWidgetBackingStore *bs = maybeBackingStore())
+    else if (QWidgetBackingStore *bs = maybeBackingStore()) {
+#ifdef QT_MAC_USE_COCOA
+        Q_UNUSED(bs);
+        void qt_mac_set_needs_display(QWidget *, QRegion);
+        qt_mac_set_needs_display(q_func(), region);
+#else
         bs->sync(q_func(), region);
+#endif
+    }
 }
 
 void QWidgetPrivate::setUpdatesEnabled_helper(bool enable)
@@ -6422,6 +6447,8 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second)
         first = fp;
     }
 
+    if (fp == second)
+        return;
 
     if (QWidget *sp = second->focusProxy())
         second = sp;
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 878b776..a5633d3 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -565,6 +565,25 @@ inline static void qt_mac_set_window_group_to_popup(OSWindowRef window)
 }
 #endif
 
+#ifdef QT_MAC_USE_COCOA
+void qt_mac_set_needs_display(QWidget *widget, QRegion region)
+{
+    NSView *theNSView = qt_mac_nativeview_for(widget);
+    if (region.isEmpty()) {
+        [theNSView setNeedsDisplay:YES];
+        return;
+    }
+
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i<rects.count(); ++i) {
+        const QRect &rect = rects.at(i);
+        NSRect nsrect = NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height());
+        [theNSView setNeedsDisplayInRect:nsrect];
+    }
+
+}
+#endif
+
 inline static bool updateRedirectedToGraphicsProxyWidget(QWidget *widget, const QRect &rect)
 {
     if (!widget)
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 00f2213..a844430 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -1046,96 +1046,48 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
         return;
 
     if (isWindow()) {
-#ifdef Q_WS_S60
-        // Change window decoration visibility if switching to or from fullsccreen
-        // In addition decoration visibility is changed when the initial has been
-        // WindowNoState.
-        // The window decoration visibility has to be changed before doing actual
-        // window state change since in that order the availableGeometry will return
-        // directly the right size and we will avoid unnecessarty redraws
-        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen) ||
-            oldstate == Qt::WindowNoState) {
-            CEikStatusPane* statusPane = S60->statusPane();
-            CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
-            if (newstate & Qt::WindowFullScreen) {
-                if (statusPane)
-                    statusPane->MakeVisible(false);
-                if (buttonGroup)
-                    buttonGroup->MakeVisible(false);
-            } else {
-                if (statusPane)
-                    statusPane->MakeVisible(true);
-                if (buttonGroup)
-                    buttonGroup->MakeVisible(true);
-            }
 
+        QSymbianControl *window = static_cast<QSymbianControl *>(effectiveWinId());
+        if (window && newstate & Qt::WindowMinimized) {
+            window->setFocusSafely(false);
+            window->MakeVisible(false);
+        } else if (window && oldstate & Qt::WindowMinimized) {
+            window->setFocusSafely(true);
+            window->MakeVisible(true);
         }
+
+#ifdef Q_WS_S60
+        // Hide window decoration when switching to fullsccreen / minimized otherwise show decoration.
+        // The window decoration visibility has to be changed before doing actual window state 
+        // change since in that order the availableGeometry will return directly the right size and 
+        // we will avoid unnecessarty redraws
+        CEikStatusPane* statusPane = S60->statusPane();
+        CEikButtonGroupContainer* buttonGroup = S60->buttonGroupContainer();
+        TBool visible = !(newstate & (Qt::WindowFullScreen | Qt::WindowMinimized)); 
+        if (statusPane)
+            statusPane->MakeVisible(visible);
+        if (buttonGroup)
+            buttonGroup->MakeVisible(visible);
 #endif // Q_WS_S60
 
         createWinId();
         Q_ASSERT(testAttribute(Qt::WA_WState_Created));
-        QTLWExtra *top = d->topData();
-
         // Ensure the initial size is valid, since we store it as normalGeometry below.
         if (!testAttribute(Qt::WA_Resized) && !isVisible())
             adjustSize();
 
-        if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
-            if ((newstate & Qt::WindowMaximized)) {
-                const QRect normalGeometry = geometry();
+        QTLWExtra *top = d->topData();
+        const QRect normalGeometry = (top->normalGeometry.width() < 0) ? geometry() : top->normalGeometry;
 
-                const QRect r = top->normalGeometry;
-                setGeometry(qApp->desktop()->availableGeometry(this));
-                top->normalGeometry = r;
+        if (newstate & Qt::WindowFullScreen)
+            setGeometry(qApp->desktop()->screenGeometry(this));
+        else if (newstate & Qt::WindowMaximized)
+            setGeometry(qApp->desktop()->availableGeometry(this));
+        else
+            setGeometry(normalGeometry);
 
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            } else {
-                // restore original geometry
-                setGeometry(top->normalGeometry);
-            }
-        }
-        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) {
-            if (newstate & Qt::WindowFullScreen) {
-                const QRect normalGeometry = geometry();
-                const QRect r = top->normalGeometry;
-                setGeometry(qApp->desktop()->screenGeometry(this));
-
-                top->normalGeometry = r;
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            } else {
-                if (newstate & Qt::WindowMaximized) {
-                    const QRect r = top->normalGeometry;
-                    setGeometry(qApp->desktop()->availableGeometry(this));
-                    top->normalGeometry = r;
-                } else {
-                    setGeometry(top->normalGeometry);
-                }
-            }
-        }
-        if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) {
-            if (newstate & Qt::WindowMinimized) {
-                if (isVisible()) {
-                    QSymbianControl *id = static_cast<QSymbianControl *>(effectiveWinId());
-                    if (id->IsFocused()) // Avoid unnecessary calls to FocusChanged()
-                        id->setFocusSafely(false);
-                    id->MakeVisible(false);
-                }
-            } else {
-                if (isVisible()) {
-                    QSymbianControl *id = static_cast<QSymbianControl *>(effectiveWinId());
-                    id->MakeVisible(true);
-                    if (!id->IsFocused()) // Avoid unnecessary calls to FocusChanged()
-                        id->setFocusSafely(true);
-                }
-                const QRect normalGeometry = geometry();
-                const QRect r = top->normalGeometry;
-                top->normalGeometry = r;
-                if (top->normalGeometry.width() < 0)
-                    top->normalGeometry = normalGeometry;
-            }
-        }
+        //restore normal geometry
+        top->normalGeometry = normalGeometry;
     }
 
     data->window_state = newstate;
@@ -1195,6 +1147,10 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 
     if (destroyWindow) {
         delete id;
+        // At this point the backing store should already be destroyed
+        // so we flush the command buffer to ensure that the freeing of
+        // those resources and deleting the window can happen "atomically"
+        S60->wsSession().Flush();
     }
 }
 
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 4684bc1..10fb009 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -346,11 +346,6 @@ Q_GUI_EXPORT void qt_x11_enforce_cursor(QWidget * w)
     qt_x11_enforce_cursor(w, false);
 }
 
-static Bool checkForConfigureAndExpose(Display *, XEvent *e, XPointer)
-{
-    return e->type == ConfigureNotify || e->type == Expose;
-}
-
 Q_GUI_EXPORT void qt_x11_wait_for_window_manager(QWidget* w)
 {
     if (!w || (!w->isWindow() && !w->internalWinId()))
@@ -363,38 +358,60 @@ Q_GUI_EXPORT void qt_x11_wait_for_window_manager(QWidget* w)
     if (!w->testAttribute(Qt::WA_WState_Created))
         return;
 
-    if (!(w->windowFlags() & Qt::X11BypassWindowManagerHint)) {
-        // if the window is not override-redirect, then the window manager
-        // will reparent us to the frame decoration window.
-        while (!XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), ReparentNotify, &ev)) {
-            if (t.elapsed() > maximumWaitTime)
-                return;
-            qApp->syncX(); // non-busy wait
-        }
-    }
+    WId winid = w->internalWinId();
 
-    while (!XCheckTypedWindowEvent(X11->display, w->effectiveWinId(), MapNotify, &ev)) {
-        if (t.elapsed() > maximumWaitTime)
-            return;
-        qApp->syncX(); // non-busy wait
-    }
+    // first deliver events that are already in the local queue
+    QApplication::sendPostedEvents();
 
-    qApp->x11ProcessEvent(&ev);
+    // the normal sequence is:
+    //  ... ConfigureNotify ... ReparentNotify ... MapNotify ... Expose
+    // with X11BypassWindowManagerHint:
+    //  ConfigureNotify ... MapNotify ... Expose
 
-    // ok, seems like the window manager successfully reparented us, we'll wait
-    // for the first paint event to arrive, while handling ConfigureNotify in
-    // the arrival order
-    while(1)
-    {
-        if (XCheckIfEvent(X11->display, &ev, checkForConfigureAndExpose, 0)) {
+    enum State {
+        Initial, Reparented, Mapped
+    } state = Initial;
+
+    do {
+        if (XEventsQueued(X11->display, QueuedAlready)) {
+            XNextEvent(X11->display, &ev);
             qApp->x11ProcessEvent(&ev);
-            if (ev.type == Expose)
-                return;
+
+            if (w->windowFlags() & Qt::X11BypassWindowManagerHint) {
+                switch (state) {
+                case Initial:
+                case Reparented:
+                    if (ev.type == MapNotify && ev.xany.window == winid)
+                        state = Mapped;
+                    break;
+                case Mapped:
+                    if (ev.type == Expose && ev.xany.window == winid)
+                        return;
+                    break;
+                }
+            } else {
+                switch (state) {
+                case Initial:
+                    if (ev.type == ReparentNotify && ev.xany.window == winid)
+                        state = Reparented;
+                    break;
+                case Reparented:
+                    if (ev.type == MapNotify && ev.xany.window == winid)
+                        state = Mapped;
+                    break;
+                case Mapped:
+                    if (ev.type == Expose && ev.xany.window == winid)
+                        return;
+                    break;
+                }
+            }
+        } else {
+            if (!XEventsQueued(X11->display, QueuedAfterFlush))
+                qApp->syncX(); // non-busy wait
         }
         if (t.elapsed() > maximumWaitTime)
             return;
-        qApp->syncX(); // non-busy wait
-    }
+    } while(1);
 }
 
 void qt_change_net_wm_state(const QWidget* w, bool set, Atom one, Atom two = 0)
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 194dda3..660a2a8 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -2408,7 +2408,11 @@ static inline int soft_light_op(int dst, int src, int da, int sa)
     else if (4 * dst <= da)
         return (dst * sa * 255 + da * (src2 - sa) * ((((16 * dst_np - 12 * 255) * dst_np + 3 * 65025) * dst_np) / 65025) + temp) / 65025;
     else {
+#   ifdef Q_CC_RVCT // needed to avoid compiler crash in RVCT 2.2
+        return (dst * sa * 255 + da * (src2 - sa) * (qIntSqrtInt(dst_np * 255) - dst_np) + temp) / 65025;
+#   else
         return (dst * sa * 255 + da * (src2 - sa) * (int(sqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
+#   endif
     }
 }
 
diff --git a/src/gui/painting/qmath_p.h b/src/gui/painting/qmath_p.h
index cd9f5ea..8a5f5ab 100644
--- a/src/gui/painting/qmath_p.h
+++ b/src/gui/painting/qmath_p.h
@@ -54,6 +54,7 @@
 //
 
 #include <math.h>
+#include <qmath.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -61,6 +62,11 @@ static const qreal Q_PI   = qreal(3.14159265358979323846);   // pi
 static const qreal Q_2PI  = qreal(6.28318530717958647693);   // 2*pi
 static const qreal Q_PI2  = qreal(1.57079632679489661923);   // pi/2
 
+inline int qIntSqrtInt(int v)
+{
+    return static_cast<int>(qSqrt(static_cast<qreal>(v)));
+}
+
 QT_END_NAMESPACE
 
 #endif // QMATH_P_H
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index cde6a2d..bf12c6b 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -7509,7 +7509,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
             return widgetPrivate->redirected(offset);
     }
 
-    if (*globalRedirectionAtomic() == 0)
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
         return 0;
 
     QMutexLocker locker(globalRedirectionsMutex());
@@ -7529,7 +7529,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
 
 void qt_painter_removePaintDevice(QPaintDevice *dev)
 {
-    if (*globalRedirectionAtomic() == 0)
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
         return;
 
     QMutex *mutex = 0;
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 7997e77..bc81514 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -90,8 +90,6 @@ static QPointF normalize(const QPointF &p)
     return p / qSqrt(p.x() * p.x() + p.y() * p.y());
 }
 
-static bool pathToRect(const QPainterPath &path, QRectF *rect = 0);
-
 struct QIntersection
 {
     qreal alphaA;
@@ -1660,7 +1658,7 @@ static bool fuzzyCompare(qreal a, qreal b)
     return qFuzzyCompare(a, b);
 }
 
-static bool pathToRect(const QPainterPath &path, QRectF *rect)
+bool QPathClipper::pathToRect(const QPainterPath &path, QRectF *rect)
 {
     if (path.elementCount() != 5)
         return false;
@@ -1693,7 +1691,7 @@ static bool pathToRect(const QPainterPath &path, QRectF *rect)
         return false;
 
     if (rect)
-        *rect = QRectF(QPointF(x1, y1), QPointF(x2, y2));
+        rect->setCoords(x1, y1, x2, y2);
 
     return true;
 }
diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h
index 0d2c049..b900862 100644
--- a/src/gui/painting/qpathclipper_p.h
+++ b/src/gui/painting/qpathclipper_p.h
@@ -86,6 +86,8 @@ public:
     bool intersect();
     bool contains();
 
+    static bool pathToRect(const QPainterPath &path, QRectF *rect = 0);
+
 private:
     Q_DISABLE_COPY(QPathClipper)
 
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp
index a0d2b9b..eee6bef 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -295,10 +295,8 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
     CGContextRestoreGState(context);
 #ifndef QT_MAC_USE_COCOA
     QDEndCGContext(port, &context);
-#else
-    CGContextFlush(context);
-#endif
 #endif
+#endif // Q_WS_MAC
 
 #ifdef Q_OS_SYMBIAN
     Q_UNUSED(widget);
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index 3132dd1..7f9b058 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -1149,10 +1149,10 @@ void QCommonStylePrivate::tabLayout(const QStyleOptionTabV3 *opt, const QWidget
     int vpadding = proxyStyle->pixelMetric(QStyle::PM_TabBarTabVSpace, opt, widget) / 2;
     if (opt->shape == QTabBar::RoundedSouth || opt->shape == QTabBar::TriangularSouth)
         verticalShift = -verticalShift;
-    tr.adjust(hpadding, vpadding, horizontalShift - hpadding, verticalShift - vpadding);
+    tr.adjust(hpadding, verticalShift - vpadding, horizontalShift - hpadding, vpadding);
     bool selected = opt->state & QStyle::State_Selected;
     if (selected) {
-        tr.setBottom(tr.bottom() - verticalShift);
+        tr.setTop(tr.top() - verticalShift);
         tr.setRight(tr.right() - horizontalShift);
     }
 
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index a077cf0..40ee31d 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -3391,8 +3391,14 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
                         if (tb->toolButtonStyle != Qt::ToolButtonIconOnly) {
                             needText = true;
                             if (tb->toolButtonStyle == Qt::ToolButtonTextUnderIcon) {
-                                pr.setHeight(pixmap.size().height());
-                                cr.adjust(0, pr.bottom() + 1, 0, 1);
+                                QMainWindow *mw = qobject_cast<QMainWindow *>(w->window());
+                                if (mw && mw->unifiedTitleAndToolBarOnMac()) {
+                                    pr.setHeight(pixmap.size().height());
+                                    cr.adjust(0, pr.bottom() + 1, 0, 1);
+                                } else {
+                                    pr.setHeight(pixmap.size().height() + 6);
+                                    cr.adjust(0, pr.bottom(), 0, -3);
+                                }       
                                 alignment |= Qt::AlignCenter;
                             } else {
                                 pr.setWidth(pixmap.width() + 8);
diff --git a/src/gui/styles/qs60style_simulated.cpp b/src/gui/styles/qs60style_simulated.cpp
index f87cf28..3f09ebc 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 9002172..1f9fc32 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -1125,6 +1125,7 @@ void QRenderRule::fixupBorder(int nativeWidth)
 
 void QRenderRule::drawBorderImage(QPainter *p, const QRect& rect)
 {
+    setClip(p, rect);
     static const Qt::TileRule tileMode2TileRule[] = {
         Qt::StretchTile, Qt::RoundTile, Qt::StretchTile, Qt::RepeatTile, Qt::StretchTile };
 
@@ -1142,6 +1143,7 @@ void QRenderRule::drawBorderImage(QPainter *p, const QRect& rect)
                       QRect(QPoint(), borderImageData->pixmap.size()), sourceMargins,
                       QTileRules(tileMode2TileRule[borderImageData->horizStretch], tileMode2TileRule[borderImageData->vertStretch]));
     p->setRenderHint(QPainter::SmoothPixmapTransform, wasSmoothPixmapTransform);
+    unsetClip(p);
 }
 
 QRect QRenderRule::originRect(const QRect &rect, Origin origin) const
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index 3ae6fe9..87a73df 100644
--- a/src/gui/text/qfontdatabase_s60.cpp
+++ b/src/gui/text/qfontdatabase_s60.cpp
@@ -246,8 +246,8 @@ static void initializeDb()
     QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock);
     
     const int numTypeFaces = QS60Data::screenDevice()->NumTypefaces();
-    const QFontDatabaseS60StoreImplementation *store = dynamic_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
-    Q_ASSERT(store);
+    const QFontDatabaseS60StoreImplementation *store =
+            static_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
     bool fontAdded = false;
     for (int i = 0; i < numTypeFaces; i++) {
         TTypefaceSupport typefaceSupport;
@@ -258,8 +258,7 @@ static void initializeDb()
             continue;
         if (font->TypeUid() == KCFbsFontUid) {
             TOpenFontFaceAttrib faceAttrib;
-            const CFbsFont *cfbsFont = dynamic_cast<const CFbsFont *>(font);
-            Q_ASSERT(cfbsFont);
+            const CFbsFont *cfbsFont = static_cast<const CFbsFont *>(font);
             cfbsFont->GetFaceAttrib(faceAttrib);
 
             QtFontStyle::Key styleKey;
@@ -390,8 +389,8 @@ QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *, const QFo
         QFontDef request = req;
         request.family = fontFamily;
 #if defined(QT_NO_FREETYPE)
-        const QFontDatabaseS60StoreImplementation *store = dynamic_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
-        Q_ASSERT(store);
+        const QFontDatabaseS60StoreImplementation *store =
+                static_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
         const QFontEngineS60Extensions *extension = store->extension(fontFamily);
         fe = new QFontEngineS60(request, extension);
 #else
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index aaaa3ca..8d3923f 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 b8c9b94..80931c9 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -436,6 +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
 
 */
diff --git a/src/gui/text/qtextdocument.h b/src/gui/text/qtextdocument.h
index b5bcb41..0140772 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 372b9dc..969d5b4 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 4ecc2fa..ac5ed3c 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/text/qzip.cpp b/src/gui/text/qzip.cpp
index 2fc1940..d30c996 100644
--- a/src/gui/text/qzip.cpp
+++ b/src/gui/text/qzip.cpp
@@ -54,10 +54,13 @@
 #include <zlib.h>
 
 #if defined(Q_OS_WIN)
-#undef S_IFREG
-#define S_IFREG 0100000
+#  undef S_IFREG
+#  define S_IFREG 0100000
+#  ifndef S_IFDIR
+#    define S_IFDIR 0040000
+#  endif
 #  ifndef S_ISDIR
-#    define S_ISDIR(x) ((x) & 0040000) > 0
+#    define S_ISDIR(x) ((x) & S_IFDIR) > 0
 #  endif
 #  ifndef S_ISREG
 #    define S_ISREG(x) ((x) & 0170000) == S_IFREG
diff --git a/src/gui/text/qzipreader_p.h b/src/gui/text/qzipreader_p.h
index 1086464..67a2ace 100644
--- a/src/gui/text/qzipreader_p.h
+++ b/src/gui/text/qzipreader_p.h
@@ -49,7 +49,7 @@
 //  -------------
 //
 // This file is not part of the Qt API.  It exists for the convenience
-// of the QLibrary class.  This header file may change from
+// of the QZipReader class.  This header file may change from
 // version to version without notice, or even be removed.
 //
 // We mean it.
diff --git a/src/gui/text/qzipwriter_p.h b/src/gui/text/qzipwriter_p.h
index 7b97937..9322f4a 100644
--- a/src/gui/text/qzipwriter_p.h
+++ b/src/gui/text/qzipwriter_p.h
@@ -47,7 +47,7 @@
 //  -------------
 //
 // This file is not part of the Qt API.  It exists for the convenience
-// of the QLibrary class.  This header file may change from
+// of the QZipWriter class.  This header file may change from
 // version to version without notice, or even be removed.
 //
 // We mean it.
diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp
index 87f6c83..1d496d5 100644
--- a/src/gui/widgets/qabstractscrollarea.cpp
+++ b/src/gui/widgets/qabstractscrollarea.cpp
@@ -1134,13 +1134,10 @@ void QAbstractScrollArea::mouseMoveEvent(QMouseEvent *e)
 void QAbstractScrollArea::wheelEvent(QWheelEvent *e)
 {
     Q_D(QAbstractScrollArea);
-    QScrollBar *const bars[2] = { d->hbar, d->vbar };
-    int idx = (e->orientation() == Qt::Vertical) ? 1 : 0;
-    int other = (idx + 1) % 2;
-    if (!bars[idx]->isVisible() && bars[other]->isVisible())
-        idx = other;   // If the scrollbar of the event orientation is hidden, fallback to the other.
-
-    QApplication::sendEvent(bars[idx], e);
+    if (static_cast<QWheelEvent*>(e)->orientation() == Qt::Horizontal)
+        QApplication::sendEvent(d->hbar, e);
+    else
+        QApplication::sendEvent(d->vbar, e);
 }
 #endif
 
diff --git a/src/gui/widgets/qabstractslider.cpp b/src/gui/widgets/qabstractslider.cpp
index 2874647..73c17db 100644
--- a/src/gui/widgets/qabstractslider.cpp
+++ b/src/gui/widgets/qabstractslider.cpp
@@ -214,8 +214,8 @@ QT_BEGIN_NAMESPACE
 */
 
 QAbstractSliderPrivate::QAbstractSliderPrivate()
-    : minimum(0), maximum(99), singleStep(1), pageStep(10),
-      value(0), position(0), pressValue(-1), offset_accumulated(0), tracking(true),
+    : minimum(0), maximum(99), pageStep(10), value(0), position(0), pressValue(-1),
+      singleStep(1), offset_accumulated(0), tracking(true),
       blocktracking(false), pressed(false),
       invertedAppearance(false), invertedControls(false),
       orientation(Qt::Horizontal), repeatAction(QAbstractSlider::SliderNoAction)
@@ -688,51 +688,62 @@ void QAbstractSlider::sliderChange(SliderChange)
     update();
 }
 
-
-/*!
-    \reimp
-*/
-#ifndef QT_NO_WHEELEVENT
-void QAbstractSlider::wheelEvent(QWheelEvent * e)
+bool QAbstractSliderPrivate::scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta)
 {
-    Q_D(QAbstractSlider);
-    e->ignore();
-
+    Q_Q(QAbstractSlider);
     int stepsToScroll = 0;
-    qreal offset = qreal(e->delta()) / 120;
+    // in Qt scrolling to the right gives negative values.
+    if (orientation == Qt::Horizontal)
+        delta = -delta;
+    qreal offset = qreal(delta) / 120;
 
-    if ((e->modifiers() & Qt::ControlModifier) || (e->modifiers() & Qt::ShiftModifier)) {
+    if ((modifiers & Qt::ControlModifier) || (modifiers & Qt::ShiftModifier)) {
         // Scroll one page regardless of delta:
-        stepsToScroll = qBound(-d->pageStep, int(offset * d->pageStep), d->pageStep);
-        d->offset_accumulated = 0;
+        stepsToScroll = qBound(-pageStep, int(offset * pageStep), pageStep);
+        offset_accumulated = 0;
     } else {
         // Calculate how many lines to scroll. Depending on what delta is (and 
         // offset), we might end up with a fraction (e.g. scroll 1.3 lines). We can
         // only scroll whole lines, so we keep the reminder until next event.
-        qreal stepsToScrollF = offset * QApplication::wheelScrollLines() * d->effectiveSingleStep();
+        qreal stepsToScrollF = offset * QApplication::wheelScrollLines() * effectiveSingleStep();
         // Check if wheel changed direction since last event:
-        if (d->offset_accumulated != 0 && (offset / d->offset_accumulated) < 0)
-            d->offset_accumulated = 0;
+        if (offset_accumulated != 0 && (offset / offset_accumulated) < 0)
+            offset_accumulated = 0;
 
-        d->offset_accumulated += stepsToScrollF;
-        stepsToScroll = qBound(-d->pageStep, int(d->offset_accumulated), d->pageStep);
-        d->offset_accumulated -= int(d->offset_accumulated);
+        offset_accumulated += stepsToScrollF;
+        stepsToScroll = qBound(-pageStep, int(offset_accumulated), pageStep);
+        offset_accumulated -= int(offset_accumulated);
         if (stepsToScroll == 0)
-            return;
+            return false;
     }
 
-    if (d->invertedControls)
+    if (invertedControls)
         stepsToScroll = -stepsToScroll;
 
-    int prevValue = d->value;
-    d->position = d->overflowSafeAdd(stepsToScroll); // value will be updated by triggerAction()
-    triggerAction(SliderMove);
+    int prevValue = value;
+    position = overflowSafeAdd(stepsToScroll); // value will be updated by triggerAction()
+    q->triggerAction(QAbstractSlider::SliderMove);
+
+    if (prevValue == value) {
+        offset_accumulated = 0;
+        return false;
+    }
+    return true;
+}
 
-    if (prevValue == d->value)
-        d->offset_accumulated = 0;
-    else
+/*!
+    \reimp
+*/
+#ifndef QT_NO_WHEELEVENT
+void QAbstractSlider::wheelEvent(QWheelEvent * e)
+{
+    Q_D(QAbstractSlider);
+    e->ignore();
+    int delta = e->delta();
+    if (d->scrollByDelta(e->orientation(), e->modifiers(), delta))
         e->accept();
 }
+
 #endif
 #ifdef QT_KEYPAD_NAVIGATION
 /*!
diff --git a/src/gui/widgets/qabstractslider_p.h b/src/gui/widgets/qabstractslider_p.h
index 6cde468..6e6ff6e 100644
--- a/src/gui/widgets/qabstractslider_p.h
+++ b/src/gui/widgets/qabstractslider_p.h
@@ -138,6 +138,7 @@ public:
         }
         q->triggerAction(repeatAction);
     }
+    bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/widgets/qdialogbuttonbox.cpp b/src/gui/widgets/qdialogbuttonbox.cpp
index 48d7022..cc74a53 100644
--- a/src/gui/widgets/qdialogbuttonbox.cpp
+++ b/src/gui/widgets/qdialogbuttonbox.cpp
@@ -103,7 +103,7 @@ QT_BEGIN_NAMESPACE
     You can mix and match normal buttons and standard buttons.
 
     Currently the buttons are laid out in the following way if the button box is horizontal:
-    \table 100%
+    \table
     \row \o \inlineimage buttonbox-gnomelayout-horizontal.png GnomeLayout Horizontal
          \o Button box laid out in horizontal GnomeLayout
     \row \o \inlineimage buttonbox-kdelayout-horizontal.png KdeLayout Horizontal
@@ -116,25 +116,23 @@ QT_BEGIN_NAMESPACE
 
     The buttons are laid out the following way if the button box is vertical:
 
-    \table 100%
+    \table
+    \row \o GnomeLayout
+         \o KdeLayout
+         \o MacLayout
+         \o WinLayout
     \row \o \inlineimage buttonbox-gnomelayout-vertical.png GnomeLayout Vertical
-         \o Button box laid out in vertical GnomeLayout
-    \row \o \inlineimage buttonbox-kdelayout-vertical.png KdeLayout Vertical
-         \o Button box laid out in vertical KdeLayout
-    \row \o \inlineimage buttonbox-maclayout-vertical.png MacLayout Vertical
-         \o Button box laid out in vertical MacLayout
-    \row \o \inlineimage buttonbox-winlayout-vertical.png WinLayout Vertical
-         \o Button box laid out in vertical WinLayout
+         \o \inlineimage buttonbox-kdelayout-vertical.png KdeLayout Vertical
+         \o \inlineimage buttonbox-maclayout-vertical.png MacLayout Vertical
+         \o \inlineimage buttonbox-winlayout-vertical.png WinLayout Vertical
     \endtable
 
     Additionally, button boxes that contain only buttons with ActionRole or
-    HelpRole can be considered modeless and have an alternate look on the mac:
+    HelpRole can be considered modeless and have an alternate look on Mac OS X:
 
-    \table 100%
-    \row \o \inlineimage buttonbox-mac-modeless-horizontal.png Screenshot of modeless horizontal MacLayout
-         \o modeless horizontal MacLayout
-    \row \o \inlineimage buttonbox-mac-modeless-vertical.png Screenshot of modeless vertical MacLayout
-         \o modeless vertical MacLayout
+    \table
+    \row \o modeless horizontal MacLayout
+         \o \inlineimage buttonbox-mac-modeless-horizontal.png Screenshot of modeless horizontal MacLayout
     \endtable
 
     When a button is clicked in the button box, the clicked() signal is emitted
@@ -1017,6 +1015,8 @@ void QDialogButtonBox::removeButton(QAbstractButton *button)
     If the button has already been added, it is removed and added again with the
     new role.
 
+    \note The button box takes ownership of the button.
+
     \sa removeButton(), clear()
 */
 void QDialogButtonBox::addButton(QAbstractButton *button, ButtonRole role)
diff --git a/src/gui/widgets/qdockarealayout.cpp b/src/gui/widgets/qdockarealayout.cpp
index d754800..13f31df 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 0bc1aa9..0088f00 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/qlabel.cpp b/src/gui/widgets/qlabel.cpp
index c779312..b81f04f 100644
--- a/src/gui/widgets/qlabel.cpp
+++ b/src/gui/widgets/qlabel.cpp
@@ -951,8 +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/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 2d2df92..141f844 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 269cd12..a63f3bf 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/qmainwindowlayout.cpp b/src/gui/widgets/qmainwindowlayout.cpp
index d1e7285..fc75c92 100644
--- a/src/gui/widgets/qmainwindowlayout.cpp
+++ b/src/gui/widgets/qmainwindowlayout.cpp
@@ -1627,6 +1627,13 @@ void QMainWindowLayout::animationFinished(QWidget *widget)
             tb->d_func()->plug(currentGapRect);
 #endif
 
+        savedState.clear();
+        currentGapPos.clear();
+        pluggingWidget = 0;
+        //applying the state will make sure that the currentGap is updated correctly
+        //and all the geometries (especially the one from the central widget) is correct
+        layoutState.apply(false);
+
 #ifndef QT_NO_DOCKWIDGET
 #ifndef QT_NO_TABBAR
         if (qobject_cast<QDockWidget*>(widget) != 0) {
@@ -1637,13 +1644,6 @@ void QMainWindowLayout::animationFinished(QWidget *widget)
         }
 #endif
 #endif
-
-        savedState.clear();
-        currentGapPos.clear();
-        pluggingWidget = 0;
-        //applying the state will make sure that the currentGap is updated correctly
-        //and all the geometries (especially the one from the central widget) is correct
-        layoutState.apply(false);
     }
 
     if (!widgetAnimator.animating()) {
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index 658a020..99c550f 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -2030,6 +2030,18 @@ void qt_mac_clear_menubar()
 */
 bool QMenuBar::macUpdateMenuBar()
 {
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+    if (!qt_cocoaPostMessage(getMenuLoader(), @selector(qtUpdateMenubar)))
+        return QMenuBarPrivate::macUpdateMenuBarImmediatly();
+    return true;
+#else
+    return QMenuBarPrivate::macUpdateMenuBarImmediatly();
+#endif
+}
+
+bool QMenuBarPrivate::macUpdateMenuBarImmediatly()
+{
     bool ret = false;
     cancelAllMenuTracking();
     QWidget *w = findWindowThatShouldDisplayMenubar();
@@ -2095,8 +2107,9 @@ bool QMenuBar::macUpdateMenuBar()
         }
     }
 
-    if(!ret)
+    if (!ret) {
         qt_mac_clear_menubar();
+    }
     return ret;
 }
 
diff --git a/src/gui/widgets/qmenubar_p.h b/src/gui/widgets/qmenubar_p.h
index f2e5357..819aee4 100644
--- a/src/gui/widgets/qmenubar_p.h
+++ b/src/gui/widgets/qmenubar_p.h
@@ -196,6 +196,7 @@ public:
             return 0;
         }
     } *mac_menubar;
+    static bool macUpdateMenuBarImmediatly();
     bool macWidgetHasNativeMenubar(QWidget *widget);
     void macCreateMenuBar(QWidget *);
     void macDestroyMenuBar();
diff --git a/src/gui/widgets/qscrollbar.cpp b/src/gui/widgets/qscrollbar.cpp
index 73ce122..3eed3a9 100644
--- a/src/gui/widgets/qscrollbar.cpp
+++ b/src/gui/widgets/qscrollbar.cpp
@@ -521,6 +521,22 @@ bool QScrollBar::event(QEvent *event)
     if (const QHoverEvent *he = static_cast<const QHoverEvent *>(event))
         d_func()->updateHoverControl(he->pos());
         break;
+    case QEvent::Wheel: {
+        // override wheel event without adding virtual function override
+        QWheelEvent *ev = static_cast<QWheelEvent *>(event);
+        int delta = ev->delta();
+        // scrollbar is a special case - in vertical mode it reaches minimum
+        // value in the upper position, however QSlider's minimum value is on
+        // the bottom. So we need to invert a value, but since the scrollbar is
+        // inverted by default, we need to inverse the delta value for the
+        // horizontal orientation.
+        if (ev->orientation() == Qt::Horizontal)
+            delta = -delta;
+        Q_D(QScrollBar);
+        if (d->scrollByDelta(ev->orientation(), ev->modifiers(), delta))
+            event->accept();
+        return true;
+    }
     default:
         break;
     }
diff --git a/src/gui/widgets/qtoolbar.cpp b/src/gui/widgets/qtoolbar.cpp
index 7782448..7ed27ea 100644
--- a/src/gui/widgets/qtoolbar.cpp
+++ b/src/gui/widgets/qtoolbar.cpp
@@ -441,8 +441,7 @@ void QToolBarPrivate::plug(const QRect &r)
     When a QToolBar is not a child of a QMainWindow, it looses the ability
     to populate the extension pop up with widgets added to the toolbar using
     addWidget(). Please use widget actions created by inheriting QWidgetAction
-    and implementing QWidgetAction::createWidget() instead. This is a known
-    issue which will be fixed in a future release.
+    and implementing QWidgetAction::createWidget() instead.
 
     \sa QToolButton, QMenu, QAction, {Application Example}
 */
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 24560d1..b17e3a1 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -559,6 +559,12 @@ void QGL2PaintEngineExPrivate::resetGLState()
     glStencilMask(0xff);
     glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
     glStencilFunc(GL_ALWAYS, 0, 0xff);
+    glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
+    glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
+    glDisableVertexAttribArray(QT_OPACITY_ATTR);
+#ifndef QT_OPENGL_ES_2
+    glColor4f(1.0f, 1.0f, 1.0f, 1.0f); // color may have been changed by glVertexAttrib()
+#endif
 }
 
 void QGL2PaintEngineEx::endNativePainting()
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index e9ca4c4..3e5c4fc 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1688,10 +1688,8 @@ QGLTextureCache::QGLTextureCache()
     Q_ASSERT(qt_gl_texture_cache == 0);
     qt_gl_texture_cache = this;
 
-    QImagePixmapCleanupHooks::instance()->addPixmapModificationHook(cleanupTextures);
-#ifdef Q_WS_X11
-    QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(cleanupPixmapSurfaces);
-#endif
+    QImagePixmapCleanupHooks::instance()->addPixmapDataModificationHook(cleanupTextures);
+    QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(cleanupBeforePixmapDestruction);
     QImagePixmapCleanupHooks::instance()->addImageHook(imageCleanupHook);
 }
 
@@ -1699,10 +1697,8 @@ QGLTextureCache::~QGLTextureCache()
 {
     qt_gl_texture_cache = 0;
 
-    QImagePixmapCleanupHooks::instance()->removePixmapModificationHook(cleanupTextures);
-#ifdef Q_WS_X11
-    QImagePixmapCleanupHooks::instance()->removePixmapDestructionHook(cleanupPixmapSurfaces);
-#endif
+    QImagePixmapCleanupHooks::instance()->removePixmapDataModificationHook(cleanupTextures);
+    QImagePixmapCleanupHooks::instance()->removePixmapDataDestructionHook(cleanupBeforePixmapDestruction);
     QImagePixmapCleanupHooks::instance()->removeImageHook(imageCleanupHook);
 }
 
@@ -1770,30 +1766,29 @@ void QGLTextureCache::imageCleanupHook(qint64 cacheKey)
 }
 
 
-void QGLTextureCache::cleanupTextures(QPixmap* pixmap)
+void QGLTextureCache::cleanupTextures(QPixmapData* pmd)
 {
     // ### remove when the GL texture cache becomes thread-safe
     if (qApp->thread() == QThread::currentThread()) {
-        const qint64 cacheKey = pixmap->cacheKey();
+        const qint64 cacheKey = pmd->cacheKey();
         QGLTexture *texture = instance()->getTexture(cacheKey);
         if (texture && texture->options & QGLContext::MemoryManagedBindOption)
             instance()->remove(cacheKey);
     }
 }
 
-#if defined(Q_WS_X11)
-void QGLTextureCache::cleanupPixmapSurfaces(QPixmap* pixmap)
+void QGLTextureCache::cleanupBeforePixmapDestruction(QPixmapData* pmd)
 {
     // Remove any bound textures first:
-    cleanupTextures(pixmap);
+    cleanupTextures(pmd);
 
-    QPixmapData *pd = pixmap->data_ptr().data();
-    if (pd->classId() == QPixmapData::X11Class) {
-        Q_ASSERT(pd->ref == 1); // Make sure reference counting isn't broken
-        QGLContextPrivate::destroyGlSurfaceForPixmap(pd);
+#if defined(Q_WS_X11)
+    if (pmd->classId() == QPixmapData::X11Class) {
+        Q_ASSERT(pmd->ref == 0); // Make sure reference counting isn't broken
+        QGLContextPrivate::destroyGlSurfaceForPixmap(pmd);
     }
-}
 #endif
+}
 
 void QGLTextureCache::deleteIfEmpty()
 {
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index d17db3a..18fc9c2 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -520,7 +520,7 @@ public:
     QSize bindCompressedTexturePVR(const char *buf, int len);
 };
 
-class QGLTextureCache {
+class Q_AUTOTEST_EXPORT QGLTextureCache {
 public:
     QGLTextureCache();
     ~QGLTextureCache();
@@ -537,11 +537,8 @@ public:
     static QGLTextureCache *instance();
     static void deleteIfEmpty();
     static void imageCleanupHook(qint64 cacheKey);
-    static void cleanupTextures(QPixmap* pixmap);
-#ifdef Q_WS_X11
-    // X11 needs to catch pixmap data destruction to delete EGL/GLX pixmap surfaces
-    static void cleanupPixmapSurfaces(QPixmap* pixmap);
-#endif
+    static void cleanupTextures(QPixmapData* pixmap);
+    static void cleanupBeforePixmapDestruction(QPixmapData* pixmap);
 
 private:
     QCache<qint64, QGLTexture> m_cache;
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp
index 03fca39..02d5501 100644
--- a/src/opengl/qglextensions.cpp
+++ b/src/opengl/qglextensions.cpp
@@ -224,6 +224,12 @@ bool qt_resolve_buffer_extensions(QGLContext *ctx)
 
 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 116dfa6..f6613fd 100644
--- a/src/opengl/qglextensions_p.h
+++ b/src/opengl/qglextensions_p.h
@@ -197,6 +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 *);
@@ -310,6 +319,10 @@ struct QGLExtensionFuncs
         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;
@@ -425,6 +438,11 @@ struct QGLExtensionFuncs
     _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;
@@ -661,6 +679,29 @@ 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
@@ -781,6 +822,11 @@ 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/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp
index 11011ee..37bb7c0 100644
--- a/src/opengl/qglpixmapfilter.cpp
+++ b/src/opengl/qglpixmapfilter.cpp
@@ -319,14 +319,14 @@ public:
     ~QGLBlurTextureCache();
 
     QGLBlurTextureInfo *takeBlurTextureInfo(const QPixmap &pixmap);
-    bool hasBlurTextureInfo(const QPixmap &pixmap) const;
+    bool hasBlurTextureInfo(quint64 cacheKey) const;
     void insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info);
-    void clearBlurTextureInfo(const QPixmap &pixmap);
+    void clearBlurTextureInfo(quint64 cacheKey);
 
     void timerEvent(QTimerEvent *event);
 
 private:
-    static void pixmapDestroyed(QPixmap *pixmap);
+    static void pixmapDestroyed(QPixmapData *pixmap);
 
     QCache<quint64, QGLBlurTextureInfo > cache;
 
@@ -379,21 +379,21 @@ QGLBlurTextureInfo *QGLBlurTextureCache::takeBlurTextureInfo(const QPixmap &pixm
     return cache.take(pixmap.cacheKey());
 }
 
-void QGLBlurTextureCache::clearBlurTextureInfo(const QPixmap &pixmap)
+void QGLBlurTextureCache::clearBlurTextureInfo(quint64 cacheKey)
 {
-    cache.remove(pixmap.cacheKey());
+    cache.remove(cacheKey);
 }
 
-bool QGLBlurTextureCache::hasBlurTextureInfo(const QPixmap &pixmap) const
+bool QGLBlurTextureCache::hasBlurTextureInfo(quint64 cacheKey) const
 {
-    return cache.contains(pixmap.cacheKey());
+    return cache.contains(cacheKey);
 }
 
 void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info)
 {
     static bool hookAdded = false;
     if (!hookAdded) {
-        QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(pixmapDestroyed);
+        QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(pixmapDestroyed);
         hookAdded = true;
     }
 
@@ -406,11 +406,11 @@ void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTe
     timerId = startTimer(8000);
 }
 
-void QGLBlurTextureCache::pixmapDestroyed(QPixmap *pixmap)
+void QGLBlurTextureCache::pixmapDestroyed(QPixmapData *pmd)
 {
     foreach (QGLBlurTextureCache *cache, blurTextureCaches) {
-        if (cache->hasBlurTextureInfo(*pixmap))
-            cache->clearBlurTextureInfo(*pixmap);
+        if (cache->hasBlurTextureInfo(pmd->cacheKey()))
+            cache->clearBlurTextureInfo(pmd->cacheKey());
     }
 }
 
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index 8fd4acf..c18129d 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -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);
@@ -3047,6 +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
+{
+    GLint 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.
 
@@ -3078,6 +3211,41 @@ 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
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index 19ce9f2..d612b05 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -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);
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index cc9ba77..18d6b0a 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -188,6 +188,7 @@ public:
 
     bool maskValid;         // True if vgMask() contains valid data.
     bool maskIsSet;         // True if mask would be fully set if it was valid.
+    bool scissorMask;       // True if scissor is used in place of the mask.
     bool rawVG;             // True if processing a raw VG escape.
 
     QRect maskRect;         // Rectangle version of mask if it is simple.
@@ -355,6 +356,7 @@ void QVGPaintEnginePrivate::init()
 
     maskValid = false;
     maskIsSet = false;
+    scissorMask = false;
     rawVG = false;
 
     scissorActive = false;
@@ -978,7 +980,7 @@ 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;
@@ -986,9 +988,6 @@ 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)
 {
@@ -1022,7 +1021,7 @@ 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);
@@ -1066,7 +1065,7 @@ 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
@@ -1088,7 +1087,7 @@ 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);
@@ -1110,7 +1109,7 @@ 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);
@@ -1542,7 +1541,28 @@ void QVGPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
 static inline bool clipTransformIsSimple(const QTransform& transform)
 {
     QTransform::TransformationType type = transform.type();
-    return (type == QTransform::TxNone || type == QTransform::TxTranslate);
+    if (type == QTransform::TxNone || type == QTransform::TxTranslate)
+        return true;
+    if (type == QTransform::TxRotate) {
+        // Check for 0, 90, 180, and 270 degree rotations.
+        // (0 might happen after 4 rotations of 90 degrees).
+        qreal m11 = transform.m11();
+        qreal m12 = transform.m12();
+        qreal m21 = transform.m21();
+        qreal m22 = transform.m22();
+        if (m11 == 0.0f && m22 == 0.0f) {
+            if (m12 == 1.0f && m21 == -1.0f)
+                return true;    // 90 degrees.
+            else if (m12 == -1.0f && m21 == 1.0f)
+                return true;    // 270 degrees.
+        } else if (m12 == 0.0f && m21 == 0.0f) {
+            if (m11 == -1.0f && m22 == -1.0f)
+                return true;    // 180 degrees.
+            else if (m11 == 1.0f && m22 == 1.0f)
+                return true;    // 0 degrees.
+        }
+    }
+    return false;
 }
 
 #if defined(QVG_SCISSOR_CLIP)
@@ -1664,12 +1684,12 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
     if (op == Qt::NoClip) {
         d->maskValid = false;
         d->maskIsSet = true;
+        d->scissorMask = false;
         d->maskRect = QRect();
         vgSeti(VG_MASKING, VG_FALSE);
         return;
     }
 
-#if defined(QVG_NO_RENDER_TO_MASK)
     // We don't have vgRenderToMask(), so handle simple QRectF's only.
     if (path.shape() == QVectorPath::RectangleHint &&
             path.elementCount() == 4 && clipTransformIsSimple(d->transform)) {
@@ -1679,8 +1699,10 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
         QRectF rect(points[0], points[1], points[2] - points[0],
                     points[5] - points[1]);
         clip(rect.toRect(), op);
+        return;
     }
-#else
+
+#if !defined(QVG_NO_RENDER_TO_MASK)
     QPaintDevice *pdev = paintDevice();
     int width = pdev->width();
     int height = pdev->height();
@@ -1711,6 +1733,7 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
     vgSeti(VG_MASKING, VG_TRUE);
     d->maskValid = true;
     d->maskIsSet = false;
+    d->scissorMask = false;
 #endif
 }
 
@@ -1731,6 +1754,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
         {
             d->maskValid = false;
             d->maskIsSet = true;
+            d->scissorMask = false;
             d->maskRect = QRect();
             vgSeti(VG_MASKING, VG_FALSE);
         }
@@ -1746,6 +1770,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
                     vgSeti(VG_MASKING, VG_FALSE);
                 d->maskValid = false;
                 d->maskIsSet = true;
+                d->scissorMask = false;
                 d->maskRect = QRect();
             } else {
                 // Special case: if the intersection of the system
@@ -1763,6 +1788,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
                     if (clip.rectCount() != 1) {
                         d->maskValid = false;
                         d->maskIsSet = false;
+                        d->scissorMask = false;
                         d->maskRect = QRect();
                         d->modifyMask(this, VG_FILL_MASK, r);
                         break;
@@ -1771,6 +1797,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
                 }
                 d->maskValid = false;
                 d->maskIsSet = false;
+                d->scissorMask = true;
                 d->maskRect = clipRect;
                 vgSeti(VG_MASKING, VG_FALSE);
                 updateScissor();
@@ -1781,13 +1808,30 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
         case Qt::IntersectClip:
         {
             QRect r = d->transform.mapRect(rect);
-            if (d->maskIsSet && isDefaultClipRect(r)) {
+            if (!d->maskValid) {
+                // Mask has not been used yet, so intersect with
+                // the previous scissor-based region in maskRect.
+                if (d->scissorMask)
+                    r = r.intersect(d->maskRect);
+                if (isDefaultClipRect(r)) {
+                    // The clip is the full window, so turn off clipping.
+                    d->maskIsSet = true;
+                    d->maskRect = QRect();
+                } else {
+                    // Activate the scissor on a smaller maskRect.
+                    d->maskIsSet = false;
+                    d->maskRect = r;
+                }
+                d->scissorMask = true;
+                updateScissor();
+            } else if (d->maskIsSet && isDefaultClipRect(r)) {
                 // Intersecting a full-window clip with a full-window
                 // region is the same as turning off clipping.
                 if (d->maskValid)
                     vgSeti(VG_MASKING, VG_FALSE);
                 d->maskValid = false;
                 d->maskIsSet = true;
+                d->scissorMask = false;
                 d->maskRect = QRect();
             } else {
                 d->modifyMask(this, VG_INTERSECT_MASK, r);
@@ -1829,6 +1873,7 @@ void QVGPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
         {
             d->maskValid = false;
             d->maskIsSet = true;
+            d->scissorMask = false;
             d->maskRect = QRect();
             vgSeti(VG_MASKING, VG_FALSE);
         }
@@ -1844,6 +1889,7 @@ void QVGPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
                     vgSeti(VG_MASKING, VG_FALSE);
                 d->maskValid = false;
                 d->maskIsSet = true;
+                d->scissorMask = false;
                 d->maskRect = QRect();
             } else {
                 // Special case: if the intersection of the system
@@ -1857,12 +1903,14 @@ void QVGPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
                 if (clip.rectCount() == 1) {
                     d->maskValid = false;
                     d->maskIsSet = false;
+                    d->scissorMask = true;
                     d->maskRect = clip.boundingRect();
                     vgSeti(VG_MASKING, VG_FALSE);
                     updateScissor();
                 } else {
                     d->maskValid = false;
                     d->maskIsSet = false;
+                    d->scissorMask = false;
                     d->maskRect = QRect();
                     d->modifyMask(this, VG_FILL_MASK, r);
                 }
@@ -1887,6 +1935,7 @@ void QVGPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
                     vgSeti(VG_MASKING, VG_FALSE);
                 d->maskValid = false;
                 d->maskIsSet = true;
+                d->scissorMask = false;
                 d->maskRect = QRect();
             } else {
                 d->modifyMask(this, VG_INTERSECT_MASK, r);
@@ -1965,6 +2014,7 @@ void QVGPaintEngine::clip(const QPainterPath &path, Qt::ClipOperation op)
     if (op == Qt::NoClip) {
         d->maskValid = false;
         d->maskIsSet = true;
+        d->scissorMask = false;
         d->maskRect = QRect();
         vgSeti(VG_MASKING, VG_FALSE);
         return;
@@ -2000,6 +2050,7 @@ void QVGPaintEngine::clip(const QPainterPath &path, Qt::ClipOperation op)
     vgSeti(VG_MASKING, VG_TRUE);
     d->maskValid = true;
     d->maskIsSet = false;
+    d->scissorMask = false;
 #else
     QPaintEngineEx::clip(path, op);
 #endif
@@ -2043,6 +2094,7 @@ void QVGPaintEnginePrivate::modifyMask
     vgSeti(VG_MASKING, VG_TRUE);
     maskValid = true;
     maskIsSet = false;
+    scissorMask = false;
 }
 
 void QVGPaintEnginePrivate::modifyMask
@@ -2064,6 +2116,7 @@ void QVGPaintEnginePrivate::modifyMask
     vgSeti(VG_MASKING, VG_TRUE);
     maskValid = true;
     maskIsSet = false;
+    scissorMask = false;
 }
 
 #endif // !QVG_SCISSOR_CLIP
@@ -2096,7 +2149,7 @@ void QVGPaintEngine::updateScissor()
     {
 #if !defined(QVG_SCISSOR_CLIP)
         // Combine the system clip with the simple mask rectangle.
-        if (!d->maskRect.isNull()) {
+        if (d->scissorMask) {
             if (region.isEmpty())
                 region = d->maskRect;
             else
@@ -2187,6 +2240,7 @@ void QVGPaintEngine::clipEnabledChanged()
         // Replay the entire clip stack to put the mask into the right state.
         d->maskValid = false;
         d->maskIsSet = true;
+        d->scissorMask = false;
         d->maskRect = QRect();
         s->clipRegion = defaultClipRegion();
         d->replayClipOperations();
@@ -2196,6 +2250,7 @@ void QVGPaintEngine::clipEnabledChanged()
         vgSeti(VG_MASKING, VG_FALSE);
         d->maskValid = false;
         d->maskIsSet = false;
+        d->scissorMask = false;
         d->maskRect = QRect();
     }
 #endif
@@ -2314,12 +2369,7 @@ bool QVGPaintEngine::clearRect(const QRectF &rect, const QColor &color)
     Q_D(QVGPaintEngine);
     QVGPainterState *s = state();
     if (!s->clipEnabled || s->clipOperation == Qt::NoClip) {
-        // The transform will either be identity or a simple translation,
-        // so do a simpler version of "r = d->transform.map(rect).toRect()".
-        QRect r = QRect(qRound(rect.x() + d->transform.dx()),
-                        qRound(rect.y() + d->transform.dy()),
-                        qRound(rect.width()),
-                        qRound(rect.height()));
+        QRect r = d->transform.mapRect(rect).toRect();
         int height = paintDevice()->height();
         if (d->clearColor != color || d->clearOpacity != s->opacity) {
             VGfloat values[4];
@@ -3175,15 +3225,15 @@ void QVGFontGlyphCache::cacheGlyphs
         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;
@@ -3398,6 +3448,7 @@ void QVGPaintEngine::restoreState(QPaintEngine::DirtyFlags dirty)
                   QPaintEngine::DirtyClipEnabled)) != 0) {
         d->maskValid = false;
         d->maskIsSet = false;
+        d->scissorMask = false;
         d->maskRect = QRect();
         clipEnabledChanged();
     }
@@ -3650,7 +3701,7 @@ 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 3087b77..44814cc 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 ad33d0b..499eb1d 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/gfxdrivers/directfb/qdirectfbscreen.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
index 6b251c7..cd4d5c2 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
@@ -921,7 +921,7 @@ void QDirectFBScreenPrivate::setFlipFlags(const QStringList &args)
                          qPrintable(flip));
         }
     } else {
-        flipFlags = DSFLIP_BLIT;
+        flipFlags = DSFLIP_BLIT|DSFLIP_ONSYNC;
     }
 }
 
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp
index 6f049be..25d3dfa 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/plugins/imageformats/gif/qgifhandler.cpp
@@ -71,7 +71,8 @@ public:
     ~QGIFFormat();
 
     int decode(QImage *image, const uchar* buffer, int length,
-               int *nextFrameDelay, int *loopCount, QSize *nextSize);
+               int *nextFrameDelay, int *loopCount);
+    static void scan(QIODevice *device, QVector<QSize> *imageSizes, int *loopCount);
 
     bool newFrame;
     bool partialNewFrame;
@@ -229,7 +230,7 @@ void QGIFFormat::disposePrevious(QImage *image)
     Returns the number of bytes consumed.
 */
 int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
-                       int *nextFrameDelay, int *loopCount, QSize *nextSize)
+                       int *nextFrameDelay, int *loopCount)
 {
     // We are required to state that
     //    "The Graphics Interchange Format(c) is the Copyright property of
@@ -346,10 +347,6 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                     bpl = image->bytesPerLine();
                     bits = image->bits();
                     memset(bits, 0, image->byteCount());
-
-                    // ### size of the upcoming frame, should rather
-                    // be known before decoding it.
-                    *nextSize = QSize(swidth, sheight);
                 }
 
                 disposePrevious(image);
@@ -645,6 +642,273 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
     return initial-length;
 }
 
+/*!
+   Scans through the data stream defined by \a device and returns the image
+   sizes found in the stream in the \a imageSizes vector.
+*/
+void QGIFFormat::scan(QIODevice *device, QVector<QSize> *imageSizes, int *loopCount)
+{
+    if (!device)
+        return;
+
+    qint64 oldPos = device->pos();
+    if (!device->seek(0))
+        return;
+
+    int colorCount = 0;
+    int localColorCount = 0;
+    int globalColorCount = 0;
+    int colorReadCount = 0;
+    bool localColormap = false;
+    bool globalColormap = false;
+    int count = 0;
+    int blockSize = 0;
+    int imageWidth = 0;
+    int imageHeight = 0;
+    bool done = false;
+    uchar hold[16];
+    State state = Header;
+
+    const int readBufferSize = 40960; // 40k read buffer
+    QByteArray readBuffer(device->read(readBufferSize));
+
+    if (readBuffer.isEmpty()) {
+        device->seek(oldPos);
+        return;
+    }
+
+    // This is a specialized version of the state machine from decode(),
+    // which doesn't do any image decoding or mallocing, and has an
+    // optimized way of skipping SkipBlocks, ImageDataBlocks and
+    // Global/LocalColorMaps.
+
+    while (!readBuffer.isEmpty()) {
+        int length = readBuffer.size();
+        const uchar *buffer = (const uchar *) readBuffer.constData();
+        while (!done && length) {
+            length--;
+            uchar ch = *buffer++;
+            switch (state) {
+            case Header:
+                hold[count++] = ch;
+                if (count == 6) {
+                    state = LogicalScreenDescriptor;
+                    count = 0;
+                }
+                break;
+            case LogicalScreenDescriptor:
+                hold[count++] = ch;
+                if (count == 7) {
+                    imageWidth = LM(hold[0], hold[1]);
+                    imageHeight = LM(hold[2], hold[3]);
+                    globalColormap = !!(hold[4] & 0x80);
+                    globalColorCount = 2 << (hold[4] & 0x7);
+                    count = 0;
+                    colorCount = globalColorCount;
+                    if (globalColormap) {
+                        int colorTableSize = 3 * globalColorCount;
+                        if (length >= colorTableSize) {
+                            // skip the global color table in one go
+                            length -= colorTableSize;
+                            buffer += colorTableSize;
+                            state = Introducer;
+                        } else {
+                            colorReadCount = 0;
+                            state = GlobalColorMap;
+                        }
+                    } else {
+                        state=Introducer;
+                    }
+                }
+                break;
+            case GlobalColorMap:
+            case LocalColorMap:
+                hold[count++] = ch;
+                if (count == 3) {
+                    if (++colorReadCount >= colorCount) {
+                        if (state == LocalColorMap)
+                            state = TableImageLZWSize;
+                        else
+                            state = Introducer;
+                    }
+                    count = 0;
+                }
+                break;
+            case Introducer:
+                hold[count++] = ch;
+                switch (ch) {
+                case 0x2c:
+                    state = ImageDescriptor;
+                    break;
+                case 0x21:
+                    state = ExtensionLabel;
+                    break;
+                case 0x3b:
+                    state = Done;
+                    break;
+                default:
+                    done = true;
+                    state = Error;
+                }
+                break;
+            case ImageDescriptor:
+                hold[count++] = ch;
+                if (count == 10) {
+                    int newLeft = LM(hold[1], hold[2]);
+                    int newTop = LM(hold[3], hold[4]);
+                    int newWidth = LM(hold[5], hold[6]);
+                    int newHeight = LM(hold[7], hold[8]);
+
+                    if (imageWidth/10 > qMax(newWidth,200))
+                        imageWidth = -1;
+                    if (imageHeight/10 > qMax(newHeight,200))
+                        imageHeight = -1;
+
+                    if (imageWidth <= 0)
+                        imageWidth = newLeft + newWidth;
+                    if (imageHeight <= 0)
+                        imageHeight = newTop + newHeight;
+
+                    *imageSizes << QSize(imageWidth, imageHeight);
+
+                    localColormap = !!(hold[9] & 0x80);
+                    localColorCount = localColormap ? (2 << (hold[9] & 0x7)) : 0;
+                    if (localColorCount)
+                        colorCount = localColorCount;
+                    else
+                        colorCount = globalColorCount;
+
+                    count = 0;
+                    if (localColormap) {
+                        int colorTableSize = 3 * localColorCount;
+                        if (length >= colorTableSize) {
+                            // skip the local color table in one go
+                            length -= colorTableSize;
+                            buffer += colorTableSize;
+                            state = TableImageLZWSize;
+                        } else {
+                            colorReadCount = 0;
+                            state = LocalColorMap;
+                        }
+                    } else {
+                        state = TableImageLZWSize;
+                    }
+                }
+                break;
+            case TableImageLZWSize:
+                if (ch > max_lzw_bits)
+                    state = Error;
+                else
+                    state = ImageDataBlockSize;
+                count = 0;
+                break;
+            case ImageDataBlockSize:
+                blockSize = ch;
+                if (blockSize) {
+                    if (length >= blockSize) {
+                        // we can skip the block in one go
+                        length -= blockSize;
+                        buffer += blockSize;
+                        count = 0;
+                    } else {
+                        state = ImageDataBlock;
+                    }
+                } else {
+                    state = Introducer;
+                }
+                break;
+            case ImageDataBlock:
+                ++count;
+                if (count == blockSize) {
+                    count = 0;
+                    state = ImageDataBlockSize;
+                }
+                break;
+            case ExtensionLabel:
+                switch (ch) {
+                case 0xf9:
+                    state = GraphicControlExtension;
+                    break;
+                case 0xff:
+                    state = ApplicationExtension;
+                    break;
+                default:
+                    state = SkipBlockSize;
+                }
+                count = 0;
+                break;
+            case ApplicationExtension:
+                if (count < 11)
+                    hold[count] = ch;
+                ++count;
+                if (count == hold[0] + 1) {
+                    if (qstrncmp((char*)(hold+1), "NETSCAPE", 8) == 0)
+                        state=NetscapeExtensionBlockSize;
+                    else
+                        state=SkipBlockSize;
+                    count = 0;
+                }
+                break;
+            case GraphicControlExtension:
+                if (count < 5)
+                    hold[count] = ch;
+                ++count;
+                if (count == hold[0] + 1) {
+                    count = 0;
+                    state = SkipBlockSize;
+                }
+                break;
+            case NetscapeExtensionBlockSize:
+                blockSize = ch;
+                count = 0;
+                if (blockSize)
+                    state = NetscapeExtensionBlock;
+                else
+                    state = Introducer;
+                break;
+            case NetscapeExtensionBlock:
+                if (count < 3)
+                    hold[count] = ch;
+                count++;
+                if (count == blockSize) {
+                    *loopCount = LM(hold[1], hold[2]);
+                    state = SkipBlockSize;
+                }
+                break;
+            case SkipBlockSize:
+                blockSize = ch;
+                count = 0;
+                if (blockSize) {
+                    if (length >= blockSize) {
+                        // we can skip the block in one go
+                        length -= blockSize;
+                        buffer += blockSize;
+                    } else {
+                        state = SkipBlock;
+                    }
+                } else {
+                    state = Introducer;
+                }
+                break;
+            case SkipBlock:
+                ++count;
+                if (count == blockSize)
+                    state = SkipBlockSize;
+                break;
+            case Done:
+                done = true;
+                break;
+            case Error:
+                device->seek(oldPos);
+                return;
+            }
+        }
+        readBuffer = device->read(readBufferSize);
+    }
+    device->seek(oldPos);
+    return;
+}
+
 void QGIFFormat::fillRect(QImage *image, int col, int row, int w, int h, QRgb color)
 {
     if (w>0) {
@@ -763,9 +1027,9 @@ QGifHandler::QGifHandler()
 {
     gifFormat = new QGIFFormat;
     nextDelay = 0;
-    loopCnt = 0;
+    loopCnt = 1;
     frameNumber = -1;
-    nextSize = QSize();
+    scanIsCached = false;
 }
 
 QGifHandler::~QGifHandler()
@@ -787,7 +1051,7 @@ bool QGifHandler::imageIsComing() const
         }
 
         int decoded = gifFormat->decode(&lastImage, (const uchar *)buffer.constData(), buffer.size(),
-                                        &nextDelay, &loopCnt, &nextSize);
+                                        &nextDelay, &loopCnt);
         if (decoded == -1)
             break;
         buffer.remove(0, decoded);
@@ -831,7 +1095,7 @@ bool QGifHandler::read(QImage *image)
         }
 
         int decoded = gifFormat->decode(&lastImage, (const uchar *)buffer.constData(), buffer.size(),
-                                        &nextDelay, &loopCnt, &nextSize);
+                                        &nextDelay, &loopCnt);
         if (decoded == -1)
             break;
         buffer.remove(0, decoded);
@@ -862,8 +1126,18 @@ bool QGifHandler::supportsOption(ImageOption option) const
 QVariant QGifHandler::option(ImageOption option) const
 {
     if (option == Size) {
-        if (imageIsComing())
-            return nextSize;
+        if (!scanIsCached) {
+            QGIFFormat::scan(device(), &imageSizes, &loopCnt);
+            scanIsCached = true;
+        }
+        // before the first frame is read, or we have an empty data stream
+        if (frameNumber == -1)
+            return (imageSizes.count() > 0) ? QVariant(imageSizes.at(0)) : QVariant();
+        // after the last frame has been read, the next size is undefined
+        if (frameNumber >= imageSizes.count() - 1)
+            return QVariant();
+        // and the last case: the size of the next frame
+        return imageSizes.at(frameNumber + 1);
     } else if (option == Animation) {
         return true;
     }
@@ -883,11 +1157,19 @@ int QGifHandler::nextImageDelay() const
 
 int QGifHandler::imageCount() const
 {
-    return 0; // Don't know
+    if (!scanIsCached) {
+        QGIFFormat::scan(device(), &imageSizes, &loopCnt);
+        scanIsCached = true;
+    }
+    return imageSizes.count();
 }
 
 int QGifHandler::loopCount() const
 {
+    if (!scanIsCached) {
+        QGIFFormat::scan(device(), &imageSizes, &loopCnt);
+        scanIsCached = true;
+    }
     return loopCnt-1; // In GIF, loop count is iteration count, so subtract one
 }
 
diff --git a/src/plugins/imageformats/gif/qgifhandler.h b/src/plugins/imageformats/gif/qgifhandler.h
index a6e520f..8e07aff 100644
--- a/src/plugins/imageformats/gif/qgifhandler.h
+++ b/src/plugins/imageformats/gif/qgifhandler.h
@@ -87,7 +87,8 @@ private:
     mutable int nextDelay;
     mutable int loopCnt;
     int frameNumber;
-    mutable QSize nextSize;
+    mutable QVector<QSize> imageSizes;
+    mutable bool scanIsCached;
 };
 
 QT_END_NAMESPACE
diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp
index b2351fa..4edb87a 100644
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@@ -53,6 +53,7 @@
 #include <QtGui/QImage>
 #include <QtCore/QFile>
 #include <QtCore/QBuffer>
+#include <qvariant.h>
 // These next two structs represent how the icon information is stored
 // in an ICO file.
 typedef struct
@@ -772,6 +773,29 @@ QtIcoHandler::~QtIcoHandler()
     delete m_pICOReader;
 }
 
+QVariant QtIcoHandler::option(ImageOption option) const
+{
+    if (option == Size) {
+        QIODevice *device = QImageIOHandler::device();
+        qint64 oldPos = device->pos();
+        ICONDIRENTRY iconEntry;
+        if (device->seek(oldPos + ICONDIR_SIZE + (m_currentIconIndex * ICONDIRENTRY_SIZE))) {
+            if (readIconDirEntry(device, &iconEntry)) {
+                device->seek(oldPos);
+                return QSize(iconEntry.bWidth, iconEntry.bHeight);
+            }
+        }
+        if (!device->isSequential())
+            device->seek(oldPos);
+    }
+    return QVariant();
+}
+
+bool QtIcoHandler::supportsOption(ImageOption option) const
+{
+    return option == Size;
+}
+
 /*!
  * Verifies if some values (magic bytes) are set as expected in the header of the file.
  * If the magic bytes were found, it is assumed that the QtIcoHandler can read the file.
diff --git a/src/plugins/imageformats/ico/qicohandler.h b/src/plugins/imageformats/ico/qicohandler.h
index b9ef27e..394a5eb 100644
--- a/src/plugins/imageformats/ico/qicohandler.h
+++ b/src/plugins/imageformats/ico/qicohandler.h
@@ -62,6 +62,9 @@ public:
     
     static bool canRead(QIODevice *device);
     
+    bool supportsOption(ImageOption option) const;
+    QVariant option(ImageOption option) const;
+
 private:
     int m_currentIconIndex;
     ICOReader *m_pICOReader;
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 6cb93ad..4b4712c 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/kbddrivers/linuxinput/main.cpp b/src/plugins/kbddrivers/linuxinput/main.cpp
index 19a3145..db5167e 100644
--- a/src/plugins/kbddrivers/linuxinput/main.cpp
+++ b/src/plugins/kbddrivers/linuxinput/main.cpp
@@ -69,7 +69,7 @@ QWSKeyboardHandler* QLinuxInputKbdDriver::create(const QString &driver,
     Q_UNUSED(device);
     if (driver.compare(QLatin1String("LinuxInput"), Qt::CaseInsensitive))
         return 0;
-    return new QWSLinuxInputKeyboardHandler(driver, device);
+    return new QWSLinuxInputKeyboardHandler(device);
 }
 
 Q_EXPORT_PLUGIN2(qwslinuxinputkbddriver, QLinuxInputKbdDriver)
diff --git a/src/s60installs/bwins/QtGuiu.def b/src/s60installs/bwins/QtGuiu.def
index 155e3e7..be7a6a0 100644
--- a/src/s60installs/bwins/QtGuiu.def
+++ b/src/s60installs/bwins/QtGuiu.def
@@ -2081,8 +2081,8 @@ EXPORTS
 	?addPixmap@QGraphicsScene@@QAEPAVQGraphicsPixmapItem@@ABVQPixmap@@@Z @ 2080 NONAME ; class QGraphicsPixmapItem * QGraphicsScene::addPixmap(class QPixmap const &)
 	?addPixmap@QIcon@@QAEXABVQPixmap@@W4Mode@1@W4State@1@@Z @ 2081 NONAME ; void QIcon::addPixmap(class QPixmap const &, enum QIcon::Mode, enum QIcon::State)
 	?addPixmap@QIconEngine@@UAEXABVQPixmap@@W4Mode@QIcon@@W4State@4@@Z @ 2082 NONAME ; void QIconEngine::addPixmap(class QPixmap const &, enum QIcon::Mode, enum QIcon::State)
-	?addPixmapDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 2083 NONAME ; void QImagePixmapCleanupHooks::addPixmapDestructionHook(void (*)(class QPixmap *))
-	?addPixmapModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 2084 NONAME ; void QImagePixmapCleanupHooks::addPixmapModificationHook(void (*)(class QPixmap *))
+	?addPixmapDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 2083 NONAME ABSENT ; void QImagePixmapCleanupHooks::addPixmapDestructionHook(void (*)(class QPixmap *))
+	?addPixmapModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 2084 NONAME ABSENT ; void QImagePixmapCleanupHooks::addPixmapModificationHook(void (*)(class QPixmap *))
 	?addPolygon@QGraphicsScene@@QAEPAVQGraphicsPolygonItem@@ABVQPolygonF@@ABVQPen@@ABVQBrush@@@Z @ 2085 NONAME ; class QGraphicsPolygonItem * QGraphicsScene::addPolygon(class QPolygonF const &, class QPen const &, class QBrush const &)
 	?addPolygon@QPainterPath@@QAEXABVQPolygonF@@@Z @ 2086 NONAME ; void QPainterPath::addPolygon(class QPolygonF const &)
 	?addRect@QGraphicsScene@@QAEPAVQGraphicsRectItem@@ABVQRectF@@ABVQPen@@ABVQBrush@@@Z @ 2087 NONAME ; class QGraphicsRectItem * QGraphicsScene::addRect(class QRectF const &, class QPen const &, class QBrush const &)
@@ -4283,8 +4283,8 @@ EXPORTS
 	?executeDelayedItemsLayout@QAbstractItemView@@IAEXXZ @ 4282 NONAME ; void QAbstractItemView::executeDelayedItemsLayout(void)
 	?executeImageHooks@QImagePixmapCleanupHooks@@SAX_J@Z @ 4283 NONAME ; void QImagePixmapCleanupHooks::executeImageHooks(long long)
 	?executePendingSort@QTreeWidgetItem@@ABEXXZ @ 4284 NONAME ; void QTreeWidgetItem::executePendingSort(void) const
-	?executePixmapDestructionHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmap@@@Z @ 4285 NONAME ; void QImagePixmapCleanupHooks::executePixmapDestructionHooks(class QPixmap *)
-	?executePixmapModificationHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmap@@@Z @ 4286 NONAME ; void QImagePixmapCleanupHooks::executePixmapModificationHooks(class QPixmap *)
+	?executePixmapDestructionHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmap@@@Z @ 4285 NONAME ABSENT ; void QImagePixmapCleanupHooks::executePixmapDestructionHooks(class QPixmap *)
+	?executePixmapModificationHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmap@@@Z @ 4286 NONAME ABSENT ; void QImagePixmapCleanupHooks::executePixmapModificationHooks(class QPixmap *)
 	?expand@QTreeView@@QAEXABVQModelIndex@@@Z @ 4287 NONAME ; void QTreeView::expand(class QModelIndex const &)
 	?expandAll@QTreeView@@QAEXXZ @ 4288 NONAME ; void QTreeView::expandAll(void)
 	?expandItem@QTreeWidget@@QAEXPBVQTreeWidgetItem@@@Z @ 4289 NONAME ; void QTreeWidget::expandItem(class QTreeWidgetItem const *)
@@ -7927,8 +7927,8 @@ EXPORTS
 	?removeItemWidget@QTreeWidget@@QAEXPAVQTreeWidgetItem@@H@Z @ 7926 NONAME ; void QTreeWidget::removeItemWidget(class QTreeWidgetItem *, int)
 	?removeMapping@QDataWidgetMapper@@QAEXPAVQWidget@@@Z @ 7927 NONAME ; void QDataWidgetMapper::removeMapping(class QWidget *)
 	?removePage@QWizard@@QAEXH@Z @ 7928 NONAME ; void QWizard::removePage(int)
-	?removePixmapDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 7929 NONAME ; void QImagePixmapCleanupHooks::removePixmapDestructionHook(void (*)(class QPixmap *))
-	?removePixmapModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 7930 NONAME ; void QImagePixmapCleanupHooks::removePixmapModificationHook(void (*)(class QPixmap *))
+	?removePixmapDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 7929 NONAME ABSENT ; void QImagePixmapCleanupHooks::removePixmapDestructionHook(void (*)(class QPixmap *))
+	?removePixmapModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmap@@@Z@Z @ 7930 NONAME ABSENT ; void QImagePixmapCleanupHooks::removePixmapModificationHook(void (*)(class QPixmap *))
 	?removeRow@QStandardItem@@QAEXH@Z @ 7931 NONAME ; void QStandardItem::removeRow(int)
 	?removeRow@QTableWidget@@QAEXH@Z @ 7932 NONAME ; void QTableWidget::removeRow(int)
 	?removeRows@QSortFilterProxyModel@@UAE_NHHABVQModelIndex@@@Z @ 7933 NONAME ; bool QSortFilterProxyModel::removeRows(int, int, class QModelIndex const &)
@@ -12533,4 +12533,19 @@ EXPORTS
 	?symbianHandleCommand@QApplicationPrivate@@QAEHPBVQSymbianEvent@@@Z @ 12532 NONAME ; int QApplicationPrivate::symbianHandleCommand(class QSymbianEvent const *)
 	?symbianProcessWsEvent@QApplicationPrivate@@QAEHPBVQSymbianEvent@@@Z @ 12533 NONAME ; int QApplicationPrivate::symbianProcessWsEvent(class QSymbianEvent const *)
 	?symbianResourceChange@QApplicationPrivate@@QAEHPBVQSymbianEvent@@@Z @ 12534 NONAME ; int QApplicationPrivate::symbianResourceChange(class QSymbianEvent const *)
+	?addPixmapDataDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmapData@@@Z@Z @ 12535 NONAME ; void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(void (*)(class QPixmapData *))
+	?addPixmapDataModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmapData@@@Z@Z @ 12536 NONAME ; void QImagePixmapCleanupHooks::addPixmapDataModificationHook(void (*)(class QPixmapData *))
+	?cacheKey@QPixmapData@@QBE_JXZ @ 12537 NONAME ; long long QPixmapData::cacheKey(void) const
+	?eventFilter@QS60Style@@MAE_NPAVQObject@@PAVQEvent@@@Z @ 12538 NONAME ; bool QS60Style::eventFilter(class QObject *, class QEvent *)
+	?executePixmapDataDestructionHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmapData@@@Z @ 12539 NONAME ; void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(class QPixmapData *)
+	?executePixmapDataModificationHooks@QImagePixmapCleanupHooks@@SAXPAVQPixmapData@@@Z @ 12540 NONAME ; void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(class QPixmapData *)
+	?invalidateChildGraphicsEffectsRecursively@QGraphicsItemPrivate@@QAEXW4InvalidateReason@1@@Z @ 12541 NONAME ; void QGraphicsItemPrivate::invalidateChildGraphicsEffectsRecursively(enum QGraphicsItemPrivate::InvalidateReason)
+	?invalidateParentGraphicsEffectsRecursively@QGraphicsItemPrivate@@QAEXXZ @ 12542 NONAME ; void QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively(void)
+	?markParentDirty@QGraphicsItemPrivate@@QAEX_N@Z @ 12543 NONAME ; void QGraphicsItemPrivate::markParentDirty(bool)
+	?removePixmapDataDestructionHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmapData@@@Z@Z @ 12544 NONAME ; void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(void (*)(class QPixmapData *))
+	?removePixmapDataModificationHook@QImagePixmapCleanupHooks@@QAEXP6AXPAVQPixmapData@@@Z@Z @ 12545 NONAME ; void QImagePixmapCleanupHooks::removePixmapDataModificationHook(void (*)(class QPixmapData *))
+	?setParentItemHelper@QGraphicsItemPrivate@@QAEXPAVQGraphicsItem@@PBVQVariant@@1@Z @ 12546 NONAME ; void QGraphicsItemPrivate::setParentItemHelper(class QGraphicsItem *, class QVariant const *, class QVariant const *)
+	?timerEvent@QS60Style@@MAEXPAVQTimerEvent@@@Z @ 12547 NONAME ; void QS60Style::timerEvent(class QTimerEvent *)
+	?updateAncestorFlags@QGraphicsItemPrivate@@QAEXXZ @ 12548 NONAME ; void QGraphicsItemPrivate::updateAncestorFlags(void)
+	?updateChildWithGraphicsEffectFlagRecursively@QGraphicsItemPrivate@@QAEXXZ @ 12549 NONAME ; void QGraphicsItemPrivate::updateChildWithGraphicsEffectFlagRecursively(void)
 
diff --git a/src/s60installs/eabi/QtGuiu.def b/src/s60installs/eabi/QtGuiu.def
index a9a69aa..5cf700b 100644
--- a/src/s60installs/eabi/QtGuiu.def
+++ b/src/s60installs/eabi/QtGuiu.def
@@ -11648,12 +11648,12 @@ EXPORTS
 	_ZN24QImagePixmapCleanupHooks18enableCleanupHooksEP11QPixmapData @ 11647 NONAME
 	_ZN24QImagePixmapCleanupHooks18enableCleanupHooksERK6QImage @ 11648 NONAME
 	_ZN24QImagePixmapCleanupHooks18enableCleanupHooksERK7QPixmap @ 11649 NONAME
-	_ZN24QImagePixmapCleanupHooks24addPixmapDestructionHookEPFvP7QPixmapE @ 11650 NONAME
-	_ZN24QImagePixmapCleanupHooks25addPixmapModificationHookEPFvP7QPixmapE @ 11651 NONAME
-	_ZN24QImagePixmapCleanupHooks27removePixmapDestructionHookEPFvP7QPixmapE @ 11652 NONAME
-	_ZN24QImagePixmapCleanupHooks28removePixmapModificationHookEPFvP7QPixmapE @ 11653 NONAME
-	_ZN24QImagePixmapCleanupHooks29executePixmapDestructionHooksEP7QPixmap @ 11654 NONAME
-	_ZN24QImagePixmapCleanupHooks30executePixmapModificationHooksEP7QPixmap @ 11655 NONAME
+	_ZN24QImagePixmapCleanupHooks24addPixmapDestructionHookEPFvP7QPixmapE @ 11650 NONAME ABSENT
+	_ZN24QImagePixmapCleanupHooks25addPixmapModificationHookEPFvP7QPixmapE @ 11651 NONAME ABSENT
+	_ZN24QImagePixmapCleanupHooks27removePixmapDestructionHookEPFvP7QPixmapE @ 11652 NONAME ABSENT
+	_ZN24QImagePixmapCleanupHooks28removePixmapModificationHookEPFvP7QPixmapE @ 11653 NONAME ABSENT
+	_ZN24QImagePixmapCleanupHooks29executePixmapDestructionHooksEP7QPixmap @ 11654 NONAME ABSENT
+	_ZN24QImagePixmapCleanupHooks30executePixmapModificationHooksEP7QPixmap @ 11655 NONAME ABSENT
 	_ZN25QGraphicsDropShadowEffect13setBlurRadiusEf @ 11656 NONAME
 	_ZN25QGraphicsDropShadowEffect17blurRadiusChangedEf @ 11657 NONAME
 	_ZN25QGraphicsDropShadowEffect4drawEP8QPainter @ 11658 NONAME
@@ -11792,4 +11792,17 @@ EXPORTS
 	_ZN19QApplicationPrivate20symbianHandleCommandEPK13QSymbianEvent @ 11791 NONAME
 	_ZN19QApplicationPrivate21symbianProcessWsEventEPK13QSymbianEvent @ 11792 NONAME
 	_ZN19QApplicationPrivate21symbianResourceChangeEPK13QSymbianEvent @ 11793 NONAME
+	_ZN20QGraphicsItemPrivate19setParentItemHelperEP13QGraphicsItemPK8QVariantS4_ @ 11794 NONAME
+	_ZN20QGraphicsItemPrivate19updateAncestorFlagsEv @ 11795 NONAME
+	_ZN20QGraphicsItemPrivate41invalidateChildGraphicsEffectsRecursivelyENS_16InvalidateReasonE @ 11796 NONAME
+	_ZN20QGraphicsItemPrivate42invalidateParentGraphicsEffectsRecursivelyEv @ 11797 NONAME
+	_ZN20QGraphicsItemPrivate44updateChildWithGraphicsEffectFlagRecursivelyEv @ 11798 NONAME
+	_ZN24QImagePixmapCleanupHooks28addPixmapDataDestructionHookEPFvP11QPixmapDataE @ 11799 NONAME
+	_ZN24QImagePixmapCleanupHooks29addPixmapDataModificationHookEPFvP11QPixmapDataE @ 11800 NONAME
+	_ZN24QImagePixmapCleanupHooks31removePixmapDataDestructionHookEPFvP11QPixmapDataE @ 11801 NONAME
+	_ZN24QImagePixmapCleanupHooks32removePixmapDataModificationHookEPFvP11QPixmapDataE @ 11802 NONAME
+	_ZN24QImagePixmapCleanupHooks33executePixmapDataDestructionHooksEP11QPixmapData @ 11803 NONAME
+	_ZN24QImagePixmapCleanupHooks34executePixmapDataModificationHooksEP11QPixmapData @ 11804 NONAME
+	_ZN9QS60Style10timerEventEP11QTimerEvent @ 11805 NONAME
+	_ZN9QS60Style11eventFilterEP7QObjectP6QEvent @ 11806 NONAME
 
diff --git a/src/s60main/s60main.pro b/src/s60main/s60main.pro
index 47cf020..25fb188 100644
--- a/src/s60main/s60main.pro
+++ b/src/s60main/s60main.pro
@@ -22,6 +22,9 @@ symbian {
     # staticlib should not have any lib depencies in s60
     # This seems not to work, some hard coded libs are still added as dependency
     LIBS =
+
+    # Workaround for abld toolchain problem to make ARMV6 qtmain.lib link with GCCE apps
+    symbian-abld: QMAKE_CXXFLAGS.ARMCC += --dllimport_runtime
 } else {
     error("$$_FILE_ is intended only for Symbian!")
 }
diff --git a/src/tools/uic/cpp/cppwriteinitialization.cpp b/src/tools/uic/cpp/cppwriteinitialization.cpp
index 8099ffa..dc1d181 100644
--- a/src/tools/uic/cpp/cppwriteinitialization.cpp
+++ b/src/tools/uic/cpp/cppwriteinitialization.cpp
@@ -721,8 +721,9 @@ void WriteInitialization::acceptWidget(DomWidget *node)
             m_output << m_indent << parentWidget << "->addDockWidget(" << area << varName << ");\n";
         } else if (m_uic->customWidgetsInfo()->extends(className, QLatin1String("QStatusBar"))) {
             m_output << m_indent << parentWidget << "->setStatusBar(" << varName << ");\n";
-        } else {
-            m_output << m_indent << parentWidget << "->setCentralWidget(" << varName << ");\n";
+        } else if (!m_uic->customWidgetsInfo()->extends(className, QLatin1String("Q3DockWindow"))
+                   && !m_uic->customWidgetsInfo()->extends(className, QLatin1String("Q3ToolBar"))) {
+                m_output << m_indent << parentWidget << "->setCentralWidget(" << varName << ");\n";
         }
     }
 
diff --git a/src/xml/dom/qdom.cpp b/src/xml/dom/qdom.cpp
index cae959b..8d9ae4f 100644
--- a/src/xml/dom/qdom.cpp
+++ b/src/xml/dom/qdom.cpp
@@ -2973,7 +2973,7 @@ QDomElement QDomNode::lastChildElement(const QString &tagName) const
 }
 
 /*!
-    Returns the next sibilng element with tag name \a tagName if \a tagName
+    Returns the next sibling element with tag name \a tagName if \a tagName
     is non-empty; otherwise returns any next sibling element.
     Returns a null element if no such sibling exists.