Merge branch 'fixesfor4.7' into 4.7

Conflicts:
	examples/tutorials/modelview/3_changingmodel/mymodel.h

14 files changed, 318 insertions, 116 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index fc122d2..7a5b8de 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -10900,8 +10900,8 @@ QVariant QGraphicsSimpleTextItem::extension(const QVariant &variant) const
 
 /*!
     \class QGraphicsItemGroup
-    \brief The QGraphicsItemGroup class provides treating a group of items as
-    one.
+    \brief The QGraphicsItemGroup class provides a container that treats
+    a group of items as a single item.
     \since 4.2
     \ingroup graphicsview-api
 
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index 9d571b5..47249d9 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -63,6 +63,45 @@ QT_BEGIN_NAMESPACE
 const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08,
                                      0x10, 0x20, 0x40, 0x80 };
 
+static bool cleanup_function_registered = false;
+static QS60PixmapData *firstPixmap = 0;
+
+// static
+void QS60PixmapData::qt_symbian_register_pixmap(QS60PixmapData *pd)
+{
+    if (!cleanup_function_registered) {
+        qAddPostRoutine(qt_symbian_release_pixmaps);
+        cleanup_function_registered = true;
+    }
+
+    pd->next = firstPixmap;
+    pd->prev = 0;
+    if (firstPixmap)
+        firstPixmap->prev = pd;
+    firstPixmap = pd;
+}
+
+// static
+void QS60PixmapData::qt_symbian_unregister_pixmap(QS60PixmapData *pd)
+{
+    if (pd->next)
+        pd->next->prev = pd->prev;
+    if (pd->prev)
+        pd->prev->next = pd->next;
+    else
+        firstPixmap = pd->next;
+}
+
+// static
+void QS60PixmapData::qt_symbian_release_pixmaps()
+{
+    // Scan all QS60PixmapData objects in the system and destroy them.
+    QS60PixmapData *pd = firstPixmap;
+    while (pd != 0) {
+        pd->release();
+        pd = pd->next;
+    }
+}
 
 /*
     \class QSymbianFbsClient
@@ -356,15 +395,18 @@ QS60PixmapData::QS60PixmapData(PixelType type) : QRasterPixmapData(type),
     cfbsBitmap(0),
     pengine(0),
     bytes(0),
-    formatLocked(false)
+    formatLocked(false),
+    next(0),
+    prev(0)
 {
-
+    qt_symbian_register_pixmap(this);
 }
 
 QS60PixmapData::~QS60PixmapData()
 {
     release();
     delete symbianBitmapDataAccess;
+    qt_symbian_unregister_pixmap(this);
 }
 
 void QS60PixmapData::resize(int width, int height)
@@ -789,7 +831,6 @@ void* QS60PixmapData::toNativeType(NativeType type)
         bool convertToArgb32 = false;
         bool needsCopy = false;
 
-        QSysInfo::SymbianVersion symbianVersion = QSysInfo::symbianVersion();
         if (!(S60->supportsPremultipliedAlpha)) {
             // Convert argb32_premultiplied to argb32 since Symbian 9.2 does
             // not support premultipied format.
diff --git a/src/gui/image/qpixmap_s60_p.h b/src/gui/image/qpixmap_s60_p.h
index 85c9ebe..42cc830 100644
--- a/src/gui/image/qpixmap_s60_p.h
+++ b/src/gui/image/qpixmap_s60_p.h
@@ -120,6 +120,13 @@ private:
 
     bool formatLocked;
 
+    QS60PixmapData *next;
+    QS60PixmapData *prev;
+
+    static void qt_symbian_register_pixmap(QS60PixmapData *pd);
+    static void qt_symbian_unregister_pixmap(QS60PixmapData *pd);
+    static void qt_symbian_release_pixmaps();
+
     friend class QPixmap;
     friend class QS60WindowSurface;
     friend class QS60PaintEngine;
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 3d3a749..82dd83a 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -809,6 +809,12 @@ void QApplicationPrivate::construct(
         if (testLib.load()) {
             typedef void (*TasInitialize)(void);
             TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
+#ifdef Q_OS_SYMBIAN
+            // resolving method by name does not work on Symbian OS so need to use ordinal
+            if(!initFunction) {
+                initFunction = (TasInitialize)testLib.resolve("1");            
+            }
+#endif
             if (initFunction) {
                 initFunction();
             } else {
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 321492d..dd819e5 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -737,9 +737,6 @@ static void qt_post_window_change_event(QWidget *widget)
 */
 static void qt_mac_update_child_gl_widgets(QWidget *widget)
 {
-    if (widget->isWindow())
-        return;
-
     // Update all OpenGL child widgets for the given widget.
     QList<QWidgetPrivate::GlWidgetInfo> &glWidgets = qt_widget_private(widget)->glWidgets;
     QList<QWidgetPrivate::GlWidgetInfo>::iterator end = glWidgets.end();
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index e4d9848..7495f6d 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -3642,6 +3642,11 @@ int QApplication::x11ProcessEvent(XEvent* event)
 
     case MapNotify:                                // window shown
         if (widget->isWindow()) {
+            // if we got a MapNotify when we were not waiting for it, it most
+            // likely means the user has already asked to hide the window before
+            // it ever being shown, so we try to withdraw a window after sending
+            // the QShowEvent.
+            bool pendingHide = widget->testAttribute(Qt::WA_WState_ExplicitShowHide) && widget->testAttribute(Qt::WA_WState_Hidden);
             widget->d_func()->topData()->waitingForMapNotify = 0;
 
             if (widget->windowType() != Qt::Popup) {
@@ -3661,6 +3666,8 @@ int QApplication::x11ProcessEvent(XEvent* event)
                     widget->setAttribute(Qt::WA_WState_Visible, true);
                 }
             }
+            if (pendingHide) // hide the window
+                XWithdrawWindow(X11->display, widget->internalWinId(), widget->x11Info().screen());
         }
         break;
 
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index 6795149..ddf1a27 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -58,6 +58,8 @@ QT_BEGIN_NAMESPACE
 extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
 extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
 extern const QStringList& qEnabledDraggedTypes(); // qmime_mac.cpp
+extern void qt_event_request_window_change(QWidget *); // qapplication_mac.mm
+extern void qt_mac_send_posted_gl_updates(QWidget *widget); // qapplication_mac.mm
 
 Q_GLOBAL_STATIC(QPointer<QWidget>, currentDragTarget);
 
@@ -227,6 +229,19 @@ QT_END_NAMESPACE
     [self release];
 }
 
+- (void)setInitialFirstResponder:(NSView *)view
+{
+    // This method is called the first time the window is placed on screen and
+    // is the earliest point in time we can connect OpenGL contexts to NSViews.
+    QWidget *qwidget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if (qwidget) {
+        qt_event_request_window_change(qwidget);
+        qt_mac_send_posted_gl_updates(qwidget);
+    }
+
+    [super setInitialFirstResponder:view];
+}
+
 - (BOOL)makeFirstResponder:(NSResponder *)responder
 {
     // For some reason Cocoa wants to flip the first responder
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index cb4061e..5c80340 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -162,7 +162,7 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
     QMap<ObjectGesture, QList<QGesture *> >::Iterator iter = m_objectGestures.begin();
     while (iter != m_objectGestures.end()) {
         ObjectGesture objectGesture = iter.key();
-        if (objectGesture.gesture == type && target == objectGesture.object.data()) {
+        if (objectGesture.gesture == type && target == objectGesture.object) {
             QSet<QGesture *> gestures = iter.value().toSet();
             for (QHash<QGestureRecognizer *, QSet<QGesture *> >::iterator
                  it = m_obsoleteGestures.begin(), e = m_obsoleteGestures.end(); it != e; ++it) {
@@ -172,6 +172,7 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
                 m_deletedRecognizers.remove(g);
                 m_gestureToRecognizer.remove(g);
             }
+
             qDeleteAll(gestures);
             iter = m_objectGestures.erase(iter);
         } else {
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index 747cb1a..0d84b67 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -106,13 +106,13 @@ private:
 
     struct ObjectGesture
     {
-        QWeakPointer<QObject> object;
+        QObject* object;
         Qt::GestureType gesture;
 
         ObjectGesture(QObject *o, const Qt::GestureType &g) : object(o), gesture(g) { }
         inline bool operator<(const ObjectGesture &rhs) const
         {
-            if (object.data() < rhs.object.data())
+            if (object < rhs.object)
                 return true;
             if (object == rhs.object)
                 return gesture < rhs.gesture;
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index cf487b5..03ed597 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -1485,7 +1485,7 @@ static const uint L2CacheLineLengthInInts = L2CacheLineLength/sizeof(uint);
     }\
 }
 
-static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
 {
     comp_func_Clear_impl(dest, length, const_alpha);
 }
@@ -1499,7 +1499,7 @@ void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint cons
   result = s
   dest = s * ca + d * cia
 */
-static void QT_FASTCALL comp_func_solid_Source(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Source(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255) {
         QT_MEMFILL_UINT(dest, length, color);
@@ -1528,7 +1528,7 @@ void QT_FASTCALL comp_func_Source(uint *dest, const uint *src, int length, uint
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Destination(uint *, int, uint, uint)
+void QT_FASTCALL comp_func_solid_Destination(uint *, int, uint, uint)
 {
 }
 
@@ -1542,7 +1542,7 @@ void QT_FASTCALL comp_func_Destination(uint *, const uint *, int, uint)
        = s * ca + d * (sia * ca + cia)
        = s * ca + d * (1 - sa*ca)
 */
-static void QT_FASTCALL comp_func_solid_SourceOver(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_SourceOver(uint *dest, int length, uint color, uint const_alpha)
 {
     if ((const_alpha & qAlpha(color)) == 255) {
         QT_MEMFILL_UINT(dest, length, color);
@@ -1583,7 +1583,7 @@ void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int length, u
   dest = (d + s * dia) * ca + d * cia
        = d + s * dia * ca
 */
-static void QT_FASTCALL comp_func_solid_DestinationOver(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_DestinationOver(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha != 255)
         color = BYTE_MUL(color, const_alpha);
@@ -1618,7 +1618,7 @@ void QT_FASTCALL comp_func_DestinationOver(uint *dest, const uint *src, int leng
   result = s * da
   dest = s * da * ca + d * cia
 */
-static void QT_FASTCALL comp_func_solid_SourceIn(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_SourceIn(uint *dest, int length, uint color, uint const_alpha)
 {
     PRELOAD_INIT(dest)
     if (const_alpha == 255) {
@@ -1661,7 +1661,7 @@ void QT_FASTCALL comp_func_SourceIn(uint *dest, const uint *src, int length, uin
   dest = d * sa * ca + d * cia
        = d * (sa * ca + cia)
 */
-static void QT_FASTCALL comp_func_solid_DestinationIn(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_DestinationIn(uint *dest, int length, uint color, uint const_alpha)
 {
     uint a = qAlpha(color);
     if (const_alpha != 255) {
@@ -1697,7 +1697,7 @@ void QT_FASTCALL comp_func_DestinationIn(uint *dest, const uint *src, int length
   dest = s * dia * ca + d * cia
 */
 
-static void QT_FASTCALL comp_func_solid_SourceOut(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_SourceOut(uint *dest, int length, uint color, uint const_alpha)
 {
     PRELOAD_INIT(dest)
     if (const_alpha == 255) {
@@ -1740,7 +1740,7 @@ void QT_FASTCALL comp_func_SourceOut(uint *dest, const uint *src, int length, ui
   dest = d * sia * ca + d * cia
        = d * (sia * ca + cia)
 */
-static void QT_FASTCALL comp_func_solid_DestinationOut(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_DestinationOut(uint *dest, int length, uint color, uint const_alpha)
 {
     uint a = qAlpha(~color);
     if (const_alpha != 255)
@@ -1776,7 +1776,7 @@ void QT_FASTCALL comp_func_DestinationOut(uint *dest, const uint *src, int lengt
        = s*ca * da + d * (sia*ca + cia)
        = s*ca * da + d * (1 - sa*ca)
 */
-static void QT_FASTCALL comp_func_solid_SourceAtop(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_SourceAtop(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha != 255) {
         color = BYTE_MUL(color, const_alpha);
@@ -1814,7 +1814,7 @@ void QT_FASTCALL comp_func_SourceAtop(uint *dest, const uint *src, int length, u
   dest = d*sa*ca + s*dia*ca + d *cia
        = s*ca * dia + d * (sa*ca + cia)
 */
-static void QT_FASTCALL comp_func_solid_DestinationAtop(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_DestinationAtop(uint *dest, int length, uint color, uint const_alpha)
 {
     uint a = qAlpha(color);
     if (const_alpha != 255) {
@@ -1857,7 +1857,7 @@ void QT_FASTCALL comp_func_DestinationAtop(uint *dest, const uint *src, int leng
        = s*ca * dia + d * (sia*ca + cia)
        = s*ca * dia + d * (1 - sa*ca)
 */
-static void QT_FASTCALL comp_func_solid_XOR(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_XOR(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha != 255)
         color = BYTE_MUL(color, const_alpha);
@@ -1938,7 +1938,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Plus_impl(uint *dest, int
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Plus(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Plus(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Plus_impl(dest, length, color, QFullCoverage());
@@ -2002,7 +2002,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Multiply_impl(uint *dest,
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Multiply(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Multiply(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Multiply_impl(dest, length, color, QFullCoverage());
@@ -2070,7 +2070,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Screen_impl(uint *dest, i
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Screen(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Screen(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Screen_impl(dest, length, color, QFullCoverage());
@@ -2149,7 +2149,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Overlay_impl(uint *dest,
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Overlay(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Overlay(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Overlay_impl(dest, length, color, QFullCoverage());
@@ -2222,7 +2222,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Darken_impl(uint *dest, i
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Darken(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Darken(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Darken_impl(dest, length, color, QFullCoverage());
@@ -2295,7 +2295,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Lighten_impl(uint *dest,
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Lighten(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Lighten(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Lighten_impl(dest, length, color, QFullCoverage());
@@ -2378,7 +2378,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_ColorDodge_impl(uint *des
     }
 }
 
-static void QT_FASTCALL comp_func_solid_ColorDodge(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_ColorDodge(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_ColorDodge_impl(dest, length, color, QFullCoverage());
@@ -2461,7 +2461,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_ColorBurn_impl(uint *dest
     }
 }
 
-static void QT_FASTCALL comp_func_solid_ColorBurn(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_ColorBurn(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_ColorBurn_impl(dest, length, color, QFullCoverage());
@@ -2541,7 +2541,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_HardLight_impl(uint *dest
     }
 }
 
-static void QT_FASTCALL comp_func_solid_HardLight(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_HardLight(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_HardLight_impl(dest, length, color, QFullCoverage());
@@ -2632,7 +2632,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_SoftLight_impl(uint *dest
     }
 }
 
-static void QT_FASTCALL comp_func_solid_SoftLight(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_SoftLight(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_SoftLight_impl(dest, length, color, QFullCoverage());
@@ -2705,7 +2705,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void comp_func_solid_Difference_impl(uint *des
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Difference(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Difference(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Difference_impl(dest, length, color, QFullCoverage());
@@ -2772,7 +2772,7 @@ Q_STATIC_TEMPLATE_FUNCTION inline void QT_FASTCALL comp_func_solid_Exclusion_imp
     }
 }
 
-static void QT_FASTCALL comp_func_solid_Exclusion(uint *dest, int length, uint color, uint const_alpha)
+void QT_FASTCALL comp_func_solid_Exclusion(uint *dest, int length, uint color, uint const_alpha)
 {
     if (const_alpha == 255)
         comp_func_solid_Exclusion_impl(dest, length, color, QFullCoverage());
@@ -2816,10 +2816,10 @@ void QT_FASTCALL comp_func_Exclusion(uint *dest, const uint *src, int length, ui
 #  pragma pop
 #endif
 
-static void QT_FASTCALL rasterop_solid_SourceOrDestination(uint *dest,
-                                                           int length,
-                                                           uint color,
-                                                           uint const_alpha)
+void QT_FASTCALL rasterop_solid_SourceOrDestination(uint *dest,
+                                                    int length,
+                                                    uint color,
+                                                    uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     while (length--)
@@ -2836,10 +2836,10 @@ void QT_FASTCALL rasterop_SourceOrDestination(uint *dest,
         *dest++ |= *src++;
 }
 
-static void QT_FASTCALL rasterop_solid_SourceAndDestination(uint *dest,
-                                                            int length,
-                                                            uint color,
-                                                            uint const_alpha)
+void QT_FASTCALL rasterop_solid_SourceAndDestination(uint *dest,
+                                                     int length,
+                                                     uint color,
+                                                     uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color |= 0xff000000;
@@ -2859,10 +2859,10 @@ void QT_FASTCALL rasterop_SourceAndDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_SourceXorDestination(uint *dest,
-                                                            int length,
-                                                            uint color,
-                                                            uint const_alpha)
+void QT_FASTCALL rasterop_solid_SourceXorDestination(uint *dest,
+                                                     int length,
+                                                     uint color,
+                                                     uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color &= 0x00ffffff;
@@ -2882,10 +2882,10 @@ void QT_FASTCALL rasterop_SourceXorDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_NotSourceAndNotDestination(uint *dest,
-                                                                  int length,
-                                                                  uint color,
-                                                                  uint const_alpha)
+void QT_FASTCALL rasterop_solid_NotSourceAndNotDestination(uint *dest,
+                                                           int length,
+                                                           uint color,
+                                                           uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color = ~color;
@@ -2907,10 +2907,10 @@ void QT_FASTCALL rasterop_NotSourceAndNotDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_NotSourceOrNotDestination(uint *dest,
-                                                                 int length,
-                                                                 uint color,
-                                                                 uint const_alpha)
+void QT_FASTCALL rasterop_solid_NotSourceOrNotDestination(uint *dest,
+                                                          int length,
+                                                          uint color,
+                                                          uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color = ~color | 0xff000000;
@@ -2932,10 +2932,10 @@ void QT_FASTCALL rasterop_NotSourceOrNotDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_NotSourceXorDestination(uint *dest,
-                                                               int length,
-                                                               uint color,
-                                                               uint const_alpha)
+void QT_FASTCALL rasterop_solid_NotSourceXorDestination(uint *dest,
+                                                        int length,
+                                                        uint color,
+                                                        uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color = ~color & 0x00ffffff;
@@ -2957,8 +2957,8 @@ void QT_FASTCALL rasterop_NotSourceXorDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_NotSource(uint *dest, int length,
-                                                 uint color, uint const_alpha)
+void QT_FASTCALL rasterop_solid_NotSource(uint *dest, int length,
+                                          uint color, uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     qt_memfill(dest, ~color | 0xff000000, length);
@@ -2972,10 +2972,10 @@ void QT_FASTCALL rasterop_NotSource(uint *dest, const uint *src,
         *dest++ = ~(*src++) | 0xff000000;
 }
 
-static void QT_FASTCALL rasterop_solid_NotSourceAndDestination(uint *dest,
-                                                               int length,
-                                                               uint color,
-                                                               uint const_alpha)
+void QT_FASTCALL rasterop_solid_NotSourceAndDestination(uint *dest,
+                                                        int length,
+                                                        uint color,
+                                                        uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     color = ~color | 0xff000000;
@@ -2997,10 +2997,10 @@ void QT_FASTCALL rasterop_NotSourceAndDestination(uint *dest,
     }
 }
 
-static void QT_FASTCALL rasterop_solid_SourceAndNotDestination(uint *dest,
-                                                               int length,
-                                                               uint color,
-                                                               uint const_alpha)
+void QT_FASTCALL rasterop_solid_SourceAndNotDestination(uint *dest,
+                                                        int length,
+                                                        uint color,
+                                                        uint const_alpha)
 {
     Q_UNUSED(const_alpha);
     while (length--) {
@@ -7739,6 +7739,55 @@ void qInitDrawhelperAsm()
 
 #ifdef QT_HAVE_SSE
     if (features & SSE) {
+        extern void qt_blend_rgb32_on_rgb32_sse(uchar *destPixels, int dbpl,
+                                                const uchar *srcPixels, int sbpl,
+                                                int w, int h,
+                                                int const_alpha);
+        extern void qt_blend_argb32_on_argb32_sse(uchar *destPixels, int dbpl,
+                                                  const uchar *srcPixels, int sbpl,
+                                                  int w, int h,
+                                                  int const_alpha);
+
+        qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse;
+        qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse;
+        qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse;
+        qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse;
+    }
+#endif // SSE
+
+#ifdef QT_HAVE_SSE2
+    if (features & SSE2) {
+        extern void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl,
+                                                 const uchar *srcPixels, int sbpl,
+                                                 int w, int h,
+                                                 int const_alpha);
+        extern void qt_blend_argb32_on_argb32_sse2(uchar *destPixels, int dbpl,
+                                                   const uchar *srcPixels, int sbpl,
+                                                   int w, int h,
+                                                   int const_alpha);
+
+        qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse2;
+        qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse2;
+        qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2;
+        qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2;
+    }
+
+#ifdef QT_HAVE_SSSE3
+    if (features & SSSE3) {
+        extern void qt_blend_argb32_on_argb32_ssse3(uchar *destPixels, int dbpl,
+                                                    const uchar *srcPixels, int sbpl,
+                                                    int w, int h,
+                                                    int const_alpha);
+
+        qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_ssse3;
+        qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_ssse3;
+    }
+#endif // SSSE3
+
+#endif // SSE2
+
+#ifdef QT_HAVE_SSE
+    if (features & SSE) {
         functionForModeAsm = qt_functionForMode_SSE;
         functionForModeSolidAsm = qt_functionForModeSolid_SSE;
         qDrawHelper[QImage::Format_ARGB32_Premultiplied].blendColor = qt_blend_color_argb_sse;
@@ -7754,9 +7803,9 @@ void qInitDrawhelperAsm()
 #ifdef QT_HAVE_SSE2
         if (features & SSE2) {
             extern void QT_FASTCALL comp_func_SourceOver_sse2(uint *destPixels,
-                                                  const uint *srcPixels,
-                                                  int length,
-                                                  uint const_alpha);
+                                                              const uint *srcPixels,
+                                                              int length,
+                                                              uint const_alpha);
             extern void QT_FASTCALL comp_func_solid_SourceOver_sse2(uint *destPixels, int length, uint color, uint const_alpha);
             extern void QT_FASTCALL comp_func_Plus_sse2(uint *dst, const uint *src, int length, uint const_alpha);
             extern void QT_FASTCALL comp_func_Source_sse2(uint *dst, const uint *src, int length, uint const_alpha);
@@ -7765,51 +7814,16 @@ void qInitDrawhelperAsm()
             functionForModeAsm[QPainter::CompositionMode_Source] = comp_func_Source_sse2;
             functionForModeAsm[QPainter::CompositionMode_Plus] = comp_func_Plus_sse2;
             functionForModeSolidAsm[0] = comp_func_solid_SourceOver_sse2;
-
-            extern void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl,
-                                                     const uchar *srcPixels, int sbpl,
-                                                     int w, int h,
-                                                     int const_alpha);
-            extern void qt_blend_argb32_on_argb32_sse2(uchar *destPixels, int dbpl,
-                                                       const uchar *srcPixels, int sbpl,
-                                                       int w, int h,
-                                                       int const_alpha);
-
-            qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse2;
-            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse2;
-            qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2;
-            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2;
-
-#if defined(QT_HAVE_SSSE3)
-            if (features & SSSE3) {
-                extern void qt_blend_argb32_on_argb32_ssse3(uchar *destPixels, int dbpl,
-                                                            const uchar *srcPixels, int sbpl,
-                                                            int w, int h,
-                                                            int const_alpha);
-                qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_ssse3;
-                qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_ssse3;
-            }
-#endif // QT_HAVE_SSSE3
-        } else
-#endif
-        {
-            extern void qt_blend_rgb32_on_rgb32_sse(uchar *destPixels, int dbpl,
-                                                    const uchar *srcPixels, int sbpl,
-                                                    int w, int h,
-                                                    int const_alpha);
-            extern void qt_blend_argb32_on_argb32_sse(uchar *destPixels, int dbpl,
-                                                      const uchar *srcPixels, int sbpl,
-                                                      int w, int h,
-                                                      int const_alpha);
-
-
-            qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse;
-            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse;
-            qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse;
-            qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse;
         }
-}
-#endif // SSE
+#endif
+    }
+#elif defined(QT_HAVE_SSE2)
+    // this is the special case when SSE2 is usable but MMX/SSE is not usable (e.g.: Windows x64 + visual studio)
+    if (features & SSE2) {
+        functionForModeAsm = qt_functionForMode_onlySSE2;
+        functionForModeSolidAsm = qt_functionForModeSolid_onlySSE2;
+    }
+#endif
 
 #ifdef QT_HAVE_IWMMXT
     if (features & IWMMXT) {
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
index 5747da5..0cc2e40 100644
--- a/src/gui/painting/qdrawhelper_p.h
+++ b/src/gui/painting/qdrawhelper_p.h
@@ -1997,6 +1997,41 @@ void QT_FASTCALL rasterop_NotSource(uint *dest, const uint *src, int length, uin
 void QT_FASTCALL rasterop_NotSourceAndDestination(uint *dest, const uint *src, int length, uint const_alpha);
 void QT_FASTCALL rasterop_SourceAndNotDestination(uint *dest, const uint *src, int length, uint const_alpha);
 
+// prototypes of all the solid composition functions
+void QT_FASTCALL comp_func_solid_SourceOver(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_DestinationOver(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Source(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Destination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_SourceIn(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_DestinationIn(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_SourceOut(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_DestinationOut(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_SourceAtop(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_DestinationAtop(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_XOR(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Plus(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Multiply(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Screen(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Overlay(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Darken(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Lighten(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_ColorDodge(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_ColorBurn(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_HardLight(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_SoftLight(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Difference(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL comp_func_solid_Exclusion(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_SourceOrDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_SourceAndDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_SourceXorDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_NotSourceAndNotDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_NotSourceOrNotDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_NotSourceXorDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_NotSource(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_NotSourceAndDestination(uint *dest, int length, uint color, uint const_alpha);
+void QT_FASTCALL rasterop_solid_SourceAndNotDestination(uint *dest, int length, uint color, uint const_alpha);
+
 QT_END_NAMESPACE
 
 #endif // QDRAWHELPER_P_H
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp
index 5b674b5..ba2ba32 100644
--- a/src/gui/painting/qdrawhelper_sse2.cpp
+++ b/src/gui/painting/qdrawhelper_sse2.cpp
@@ -311,6 +311,78 @@ void QT_FASTCALL comp_func_solid_SourceOver_sse2(uint *destPixels, int length, u
     }
 }
 
+CompositionFunctionSolid qt_functionForModeSolid_onlySSE2[numCompositionFunctions] = {
+    comp_func_solid_SourceOver_sse2,
+    comp_func_solid_DestinationOver,
+    comp_func_solid_Clear,
+    comp_func_solid_Source,
+    comp_func_solid_Destination,
+    comp_func_solid_SourceIn,
+    comp_func_solid_DestinationIn,
+    comp_func_solid_SourceOut,
+    comp_func_solid_DestinationOut,
+    comp_func_solid_SourceAtop,
+    comp_func_solid_DestinationAtop,
+    comp_func_solid_XOR,
+    comp_func_solid_Plus,
+    comp_func_solid_Multiply,
+    comp_func_solid_Screen,
+    comp_func_solid_Overlay,
+    comp_func_solid_Darken,
+    comp_func_solid_Lighten,
+    comp_func_solid_ColorDodge,
+    comp_func_solid_ColorBurn,
+    comp_func_solid_HardLight,
+    comp_func_solid_SoftLight,
+    comp_func_solid_Difference,
+    comp_func_solid_Exclusion,
+    rasterop_solid_SourceOrDestination,
+    rasterop_solid_SourceAndDestination,
+    rasterop_solid_SourceXorDestination,
+    rasterop_solid_NotSourceAndNotDestination,
+    rasterop_solid_NotSourceOrNotDestination,
+    rasterop_solid_NotSourceXorDestination,
+    rasterop_solid_NotSource,
+    rasterop_solid_NotSourceAndDestination,
+    rasterop_solid_SourceAndNotDestination
+};
+
+CompositionFunction qt_functionForMode_onlySSE2[numCompositionFunctions] = {
+    comp_func_SourceOver_sse2,
+    comp_func_DestinationOver,
+    comp_func_Clear,
+    comp_func_Source_sse2,
+    comp_func_Destination,
+    comp_func_SourceIn,
+    comp_func_DestinationIn,
+    comp_func_SourceOut,
+    comp_func_DestinationOut,
+    comp_func_SourceAtop,
+    comp_func_DestinationAtop,
+    comp_func_XOR,
+    comp_func_Plus_sse2,
+    comp_func_Multiply,
+    comp_func_Screen,
+    comp_func_Overlay,
+    comp_func_Darken,
+    comp_func_Lighten,
+    comp_func_ColorDodge,
+    comp_func_ColorBurn,
+    comp_func_HardLight,
+    comp_func_SoftLight,
+    comp_func_Difference,
+    comp_func_Exclusion,
+    rasterop_SourceOrDestination,
+    rasterop_SourceAndDestination,
+    rasterop_SourceXorDestination,
+    rasterop_NotSourceAndNotDestination,
+    rasterop_NotSourceOrNotDestination,
+    rasterop_NotSourceXorDestination,
+    rasterop_NotSource,
+    rasterop_NotSourceAndDestination,
+    rasterop_SourceAndNotDestination
+};
+
 void qt_memfill16_sse2(quint16 *dest, quint16 value, int count)
 {
     if (count < 3) {
diff --git a/src/gui/painting/qdrawhelper_x86_p.h b/src/gui/painting/qdrawhelper_x86_p.h
index d7282a7..09ccd77 100644
--- a/src/gui/painting/qdrawhelper_x86_p.h
+++ b/src/gui/painting/qdrawhelper_x86_p.h
@@ -122,6 +122,9 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl,
                                  const uchar *srcPixels, int sbpl,
                                  int w, int h,
                                  int const_alpha);
+
+extern CompositionFunction qt_functionForMode_onlySSE2[];
+extern CompositionFunctionSolid qt_functionForModeSolid_onlySSE2[];
 #endif // QT_HAVE_SSE2
 
 #ifdef QT_HAVE_IWMMXT
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 119217a..05de8f5 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -2263,6 +2263,9 @@ bool QTextEngine::atWordSeparator(int position) const
     case ',':
     case '?':
     case '!':
+    case '@':
+    case '#':
+    case '$':
     case ':':
     case ';':
     case '-':
@@ -2283,6 +2286,7 @@ bool QTextEngine::atWordSeparator(int position) const
     case '*':
     case '\'':
     case '"':
+    case '`':
     case '~':
     case '|':
         return true;