Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt

Conflicts:
	mkspecs/common/symbian/symbian.conf
	qmake/generators/makefile.cpp
	qmake/generators/symbian/symmake.cpp
	src/3rdparty/webkit/WebCore/WebCore.pro

Conflict resolution was heavily based on manual application of commit
9cc4ae77a73bd28ff495f36f26dd87c78b76b976.

117 files changed, 2226 insertions, 917 deletions

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-    This value is obsolete and does nothing since Qt 4.5: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/qprintdialog.h b/src/gui/dialogs/qprintdialog.h
index 390a4a0..ecd50c1 100644
--- a/src/gui/dialogs/qprintdialog.h
+++ b/src/gui/dialogs/qprintdialog.h
@@ -97,9 +97,9 @@ public:
     void done(int result);
 
 #if defined (Q_OS_UNIX) && defined (QT3_SUPPORT)
-    void setPrinter(QPrinter *, bool = false);
-    QPrinter *printer() const;
-    void addButton(QPushButton *button);
+    QT3_SUPPORT void setPrinter(QPrinter *, bool = false);
+    QT3_SUPPORT QPrinter *printer() const;
+    QT3_SUPPORT void addButton(QPushButton *button);
 #endif
 
     void setOption(PrintDialogOption option, bool on = true);
diff --git a/src/gui/dialogs/qprintpreviewdialog.cpp b/src/gui/dialogs/qprintpreviewdialog.cpp
index 42be780..6723b53 100644
--- a/src/gui/dialogs/qprintpreviewdialog.cpp
+++ b/src/gui/dialogs/qprintpreviewdialog.cpp
@@ -207,6 +207,9 @@ public:
     QActionGroup *printerGroup;
     QAction *printAction;
     QAction *pageSetupAction;
+#if defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA)
+    QAction *closeAction;
+#endif
 
     QPointer<QObject> receiverToDisconnectOnClose;
     QByteArray memberToDisconnectOnClose;
@@ -287,6 +290,9 @@ void QPrintPreviewDialogPrivate::init(QPrinter *_printer)
     toolbar->addSeparator();
     toolbar->addAction(pageSetupAction);
     toolbar->addAction(printAction);
+#if defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA)
+    toolbar->addAction(closeAction);
+#endif
 
     // Cannot use the actions' triggered signal here, since it doesn't autorepeat
     QToolButton *zoomInButton = static_cast<QToolButton *>(toolbar->widgetForAction(zoomInAction));
@@ -406,6 +412,10 @@ void QPrintPreviewDialogPrivate::setupActions()
     qt_setupActionIcon(pageSetupAction, QLatin1String("page-setup"));
     QObject::connect(printAction, SIGNAL(triggered(bool)), q, SLOT(_q_print()));
     QObject::connect(pageSetupAction, SIGNAL(triggered(bool)), q, SLOT(_q_pageSetup()));
+#if defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA)
+    closeAction = printerGroup->addAction(QCoreApplication::translate("QPrintPreviewDialog", "Close"));
+    QObject::connect(closeAction, SIGNAL(triggered(bool)), q, SLOT(reject()));
+#endif
 
     // Initial state:
     fitPageAction->setChecked(true);
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index ad23df3..10ef5ea 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -383,9 +383,9 @@ void QGraphicsEffectSourcePrivate::invalidateCache(InvalidateReason reason) cons
 {
     if (m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect
         && (reason == EffectRectChanged
-            || reason == TransformChanged
-               && m_cachedSystem == Qt::LogicalCoordinates))
+            || (reason == TransformChanged && m_cachedSystem == Qt::LogicalCoordinates))) {
         return;
+    }
 
     QPixmapCache::remove(m_cacheKey);
 }
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 1361a89..39c41c4 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -268,6 +268,17 @@
 */
 
 /*!
+    \variable QGraphicsItem::Type
+
+    The type value returned by the virtual type() function in standard
+    graphics item classes in Qt. All such standard graphics item
+    classes in Qt are associated with a unique value for Type,
+    e.g. the value returned by QGraphicsPathItem::type() is 2.
+
+    \snippet doc/src/snippets/code/src_gui_graphicsview_qgraphicsitem.cpp 18
+*/
+
+/*!
     \variable QGraphicsItem::UserType
 
     The lowest permitted type value for custom items (subclasses
@@ -276,6 +287,8 @@
     and declaring a Type enum value. Example:
 
     \snippet doc/src/snippets/code/src_gui_graphicsview_qgraphicsitem.cpp 1
+
+    \note UserType = 65536
 */
 
 /*!
@@ -798,8 +811,36 @@ void QGraphicsItemPrivate::updateAncestorFlag(QGraphicsItem::GraphicsItemFlag ch
             return;
     }
 
-    foreach (QGraphicsItem *child, children)
-        child->d_ptr->updateAncestorFlag(childFlag, flag, enabled, false);
+    for (int i = 0; i < children.size(); ++i)
+        children.at(i)->d_ptr->updateAncestorFlag(childFlag, flag, enabled, false);
+}
+
+void QGraphicsItemPrivate::updateAncestorFlags()
+{
+    int flags = 0;
+    if (parent) {
+        // Inherit the parent's ancestor flags.
+        QGraphicsItemPrivate *pd = parent->d_ptr.data();
+        flags = pd->ancestorFlags;
+
+        // Add in flags from the parent.
+        if (pd->filtersDescendantEvents)
+            flags |= AncestorFiltersChildEvents;
+        if (pd->handlesChildEvents)
+            flags |= AncestorHandlesChildEvents;
+        if (pd->flags & QGraphicsItem::ItemClipsChildrenToShape)
+            flags |= AncestorClipsChildren;
+        if (pd->flags & QGraphicsItem::ItemIgnoresTransformations)
+            flags |= AncestorIgnoresTransformations;
+    }
+
+    if (ancestorFlags == flags)
+        return; // No change; stop propagation.
+    ancestorFlags = flags;
+
+    // Propagate to children recursively.
+    for (int i = 0; i < children.size(); ++i)
+        children.at(i)->d_ptr->updateAncestorFlags();
 }
 
 /*!
@@ -984,25 +1025,17 @@ QVariant QGraphicsItemPrivate::inputMethodQueryHelper(Qt::InputMethodQuery query
     prepareGeometryChange) if the item is in its destructor, i.e.
     inDestructor is 1.
 */
-void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
+void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const QVariant *newParentVariant,
+                                               const QVariant *thisPointerVariant)
 {
     Q_Q(QGraphicsItem);
-    if (newParent == q) {
-        qWarning("QGraphicsItem::setParentItem: cannot assign %p as a parent of itself", this);
-        return;
-    }
-    if (newParent == parent)
-        return;
-
-    const QVariant newParentVariant(q->itemChange(QGraphicsItem::ItemParentChange,
-                                                  qVariantFromValue<QGraphicsItem *>(newParent)));
-    newParent = qVariantValue<QGraphicsItem *>(newParentVariant);
     if (newParent == parent)
         return;
 
     if (scene) {
         // Deliver the change to the index
-        scene->d_func()->index->itemChange(q, QGraphicsItem::ItemParentChange, newParentVariant);
+        if (scene->d_func()->indexMethod != QGraphicsScene::NoIndex)
+            scene->d_func()->index->itemChange(q, QGraphicsItem::ItemParentChange, newParent);
 
         // Disable scene pos notifications for old ancestors
         if (scenePosDescendants || (flags & QGraphicsItem::ItemSendsScenePositionChanges))
@@ -1020,11 +1053,11 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
     if (!inDestructor)
         q_ptr->prepareGeometryChange();
 
-    const QVariant thisPointerVariant(qVariantFromValue<QGraphicsItem *>(q));
     if (parent) {
         // Remove from current parent
         parent->d_ptr->removeChild(q);
-        parent->itemChange(QGraphicsItem::ItemChildRemovedChange, thisPointerVariant);
+        if (thisPointerVariant)
+            parent->itemChange(QGraphicsItem::ItemChildRemovedChange, *thisPointerVariant);
     }
 
     // Update toplevelitem list. If this item is being deleted, its parent
@@ -1042,7 +1075,7 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
     QGraphicsItem *p = parent;
     QGraphicsItem *parentFocusScopeItem = 0;
     while (p) {
-        if (p->flags() & QGraphicsItem::ItemIsFocusScope) {
+        if (p->d_ptr->flags & QGraphicsItem::ItemIsFocusScope) {
             // If this item's focus scope's focus scope item points
             // to this item or a descendent, then clear it.
             QGraphicsItem *fsi = p->d_ptr->focusScopeItem;
@@ -1055,6 +1088,10 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
         p = p->d_ptr->parent;
     }
 
+    // Update graphics effect optimization flag
+    if (newParent && (graphicsEffect || mayHaveChildWithGraphicsEffect))
+        newParent->d_ptr->updateChildWithGraphicsEffectFlagRecursively();
+
     // Update focus scope item ptr in new scope.
     QGraphicsItem *newFocusScopeItem = subFocusItem ? subFocusItem : parentFocusScopeItem;
     if (newFocusScopeItem && newParent) {
@@ -1063,11 +1100,11 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
             QGraphicsItem *ancestorScope = 0;
             QGraphicsItem *p = subFocusItem->d_ptr->parent;
             while (p) {
-                if (p->flags() & QGraphicsItem::ItemIsFocusScope)
+                if (p->d_ptr->flags & QGraphicsItem::ItemIsFocusScope)
                     ancestorScope = p;
-                if (p->isPanel())
+                if (p->d_ptr->flags & QGraphicsItem::ItemIsPanel)
                     break;
-                p = p->parentItem();
+                p = p->d_ptr->parent;
             }
             if (ancestorScope)
                 newFocusScopeItem = ancestorScope;
@@ -1075,7 +1112,7 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
 
         QGraphicsItem *p = newParent;
         while (p) {
-            if (p->flags() & QGraphicsItem::ItemIsFocusScope) {
+            if (p->d_ptr->flags & QGraphicsItem::ItemIsFocusScope) {
                 p->d_ptr->focusScopeItem = newFocusScopeItem;
                 // Ensure the new item is no longer the subFocusItem. The
                 // only way to set focus on a child of a focus scope is
@@ -1089,52 +1126,45 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
     }
 
     if ((parent = newParent)) {
-        bool implicitUpdate = false;
         if (parent->d_func()->scene && parent->d_func()->scene != scene) {
             // Move this item to its new parent's scene
             parent->d_func()->scene->addItem(q);
-            implicitUpdate = true;
         } else if (!parent->d_func()->scene && scene) {
             // Remove this item from its former scene
             scene->removeItem(q);
         }
 
         parent->d_ptr->addChild(q);
-        parent->itemChange(QGraphicsItem::ItemChildAddedChange, thisPointerVariant);
+        if (thisPointerVariant)
+            parent->itemChange(QGraphicsItem::ItemChildAddedChange, *thisPointerVariant);
         if (scene) {
-            if (!implicitUpdate)
-                scene->d_func()->markDirty(q_ptr);
-
             // Re-enable scene pos notifications for new ancestors
             if (scenePosDescendants || (flags & QGraphicsItem::ItemSendsScenePositionChanges))
                 scene->d_func()->setScenePosItemEnabled(q, true);
         }
 
+        // Propagate dirty flags to the new parent
+        markParentDirty(/*updateBoundingRect=*/true);
+
         // Inherit ancestor flags from the new parent.
-        updateAncestorFlag(QGraphicsItem::GraphicsItemFlag(-2));
-        updateAncestorFlag(QGraphicsItem::GraphicsItemFlag(-1));
-        updateAncestorFlag(QGraphicsItem::ItemClipsChildrenToShape);
-        updateAncestorFlag(QGraphicsItem::ItemIgnoresTransformations);
+        updateAncestorFlags();
 
         // Update item visible / enabled.
-        if (parent->isVisible() != visible) {
-            if (!parent->isVisible() || !explicitlyHidden)
-                setVisibleHelper(parent->isVisible(), /* explicit = */ false, /* update = */ !implicitUpdate);
+        if (parent->d_ptr->visible != visible) {
+            if (!parent->d_ptr->visible || !explicitlyHidden)
+                setVisibleHelper(parent->d_ptr->visible, /* explicit = */ false, /* update = */ false);
         }
         if (parent->isEnabled() != enabled) {
-            if (!parent->isEnabled() || !explicitlyDisabled)
-                setEnabledHelper(parent->isEnabled(), /* explicit = */ false, /* update = */ !implicitUpdate);
+            if (!parent->d_ptr->enabled || !explicitlyDisabled)
+                setEnabledHelper(parent->d_ptr->enabled, /* explicit = */ false, /* update = */ false);
         }
 
         // Auto-activate if visible and the parent is active.
-        if (q->isVisible() && parent->isActive())
+        if (visible && parent->isActive())
             q->setActive(true);
     } else {
         // Inherit ancestor flags from the new parent.
-        updateAncestorFlag(QGraphicsItem::GraphicsItemFlag(-2));
-        updateAncestorFlag(QGraphicsItem::GraphicsItemFlag(-1));
-        updateAncestorFlag(QGraphicsItem::ItemClipsChildrenToShape);
-        updateAncestorFlag(QGraphicsItem::ItemIgnoresTransformations);
+        updateAncestorFlags();
 
         if (!inDestructor) {
             // Update item visible / enabled.
@@ -1142,10 +1172,6 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
                 setVisibleHelper(true, /* explicit = */ false);
             if (!enabled && !explicitlyDisabled)
                 setEnabledHelper(true, /* explicit = */ false);
-
-            // If the item is being deleted, the whole scene will be updated.
-            if (scene)
-                scene->d_func()->markDirty(q_ptr);
         }
     }
 
@@ -1161,7 +1187,8 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
     }
 
     // Deliver post-change notification
-    q->itemChange(QGraphicsItem::ItemParentHasChanged, newParentVariant);
+    if (newParentVariant)
+        q->itemChange(QGraphicsItem::ItemParentHasChanged, *newParentVariant);
 
     if (isObject)
         emit static_cast<QGraphicsObject *>(q)->parentChanged();
@@ -1350,7 +1377,7 @@ QGraphicsItem::~QGraphicsItem()
         d_ptr->scene->d_func()->removeItemHelper(this);
     } else {
         d_ptr->resetFocusProxy();
-        d_ptr->setParentItemHelper(0);
+        setParentItem(0);
     }
 
 #ifndef QT_NO_GRAPHICSEFFECT
@@ -1365,7 +1392,8 @@ QGraphicsItem::~QGraphicsItem()
     }
     delete d_ptr->transformData;
 
-    qt_dataStore()->data.remove(this);
+    if (QGraphicsItemCustomDataStore *dataStore = qt_dataStore())
+        dataStore->data.remove(this);
 }
 
 /*!
@@ -1543,21 +1571,36 @@ const QGraphicsObject *QGraphicsItem::toGraphicsObject() const
 }
 
 /*!
-    Sets this item's parent item to \a parent. If this item already has a
-    parent, it is first removed from the previous parent. If \a parent is 0,
-    this item will become a top-level item.
+  Sets this item's parent item to \a newParent. If this item already
+  has a parent, it is first removed from the previous parent. If \a
+  newParent is 0, this item will become a top-level item.
 
-    Note that this implicitly adds this graphics item to the scene of
-    the parent. You should not \l{QGraphicsScene::addItem()}{add} the
-    item to the scene yourself.
+  Note that this implicitly adds this graphics item to the scene of
+  the parent. You should not \l{QGraphicsScene::addItem()}{add} the
+  item to the scene yourself.
 
-    Calling this function on an item that is an ancestor of \a parent have undefined behaviour.
+  Calling this function on an item that is an ancestor of \a newParent
+  have undefined behaviour.
 
-    \sa parentItem(), childItems()
+  \sa parentItem(), childItems()
 */
-void QGraphicsItem::setParentItem(QGraphicsItem *parent)
+void QGraphicsItem::setParentItem(QGraphicsItem *newParent)
 {
-    d_ptr->setParentItemHelper(parent);
+    if (newParent == this) {
+        qWarning("QGraphicsItem::setParentItem: cannot assign %p as a parent of itself", this);
+        return;
+    }
+    if (newParent == d_ptr->parent)
+        return;
+
+    const QVariant newParentVariant(itemChange(QGraphicsItem::ItemParentChange,
+                                               qVariantFromValue<QGraphicsItem *>(newParent)));
+    newParent = qVariantValue<QGraphicsItem *>(newParentVariant);
+    if (newParent == d_ptr->parent)
+        return;
+
+    const QVariant thisPointerVariant(qVariantFromValue<QGraphicsItem *>(this));
+    d_ptr->setParentItemHelper(newParent, &newParentVariant, &thisPointerVariant);
 }
 
 /*!
@@ -1607,7 +1650,7 @@ bool QGraphicsItem::isWidget() const
 */
 bool QGraphicsItem::isWindow() const
 {
-    return isWidget() && (static_cast<const QGraphicsWidget *>(this)->windowType() & Qt::Window);
+    return d_ptr->isWidget && (static_cast<const QGraphicsWidget *>(this)->windowType() & Qt::Window);
 }
 
 /*!
@@ -1644,9 +1687,9 @@ QGraphicsItem::GraphicsItemFlags QGraphicsItem::flags() const
 void QGraphicsItem::setFlag(GraphicsItemFlag flag, bool enabled)
 {
     if (enabled)
-        setFlags(flags() | flag);
+        setFlags(GraphicsItemFlags(d_ptr->flags) | flag);
     else
-        setFlags(flags() & ~flag);
+        setFlags(GraphicsItemFlags(d_ptr->flags) & ~flag);
 }
 
 /*!
@@ -1693,8 +1736,8 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags)
     flags = GraphicsItemFlags(itemChange(ItemFlagsChange, quint32(flags)).toUInt());
     if (quint32(d_ptr->flags) == quint32(flags))
         return;
-    if (d_ptr->scene)
-        d_ptr->scene->d_func()->index->itemChange(this, ItemFlagsChange, quint32(flags));
+    if (d_ptr->scene && d_ptr->scene->d_func()->indexMethod != QGraphicsScene::NoIndex)
+        d_ptr->scene->d_func()->index->itemChange(this, ItemFlagsChange, &flags);
 
     // Flags that alter the geometry of the item (or its children).
     const quint32 geomChangeFlagsMask = (ItemClipsChildrenToShape | ItemClipsToShape | ItemIgnoresTransformations | ItemIsSelectable);
@@ -1703,7 +1746,7 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags)
         d_ptr->paintedViewBoundingRectsNeedRepaint = 1;
 
     // Keep the old flags to compare the diff.
-    GraphicsItemFlags oldFlags = this->flags();
+    GraphicsItemFlags oldFlags = GraphicsItemFlags(d_ptr->flags);
 
     // Update flags.
     d_ptr->flags = flags;
@@ -1732,7 +1775,23 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags)
         d_ptr->updateAncestorFlag(ItemIgnoresTransformations);
     }
 
+    if ((flags & ItemNegativeZStacksBehindParent) != (oldFlags & ItemNegativeZStacksBehindParent)) {
+        // NB! We change the flags directly here, so we must also update d_ptr->flags.
+        // Note that this has do be done before the ItemStacksBehindParent check
+        // below; otherwise we will loose the change.
+
+        // Update stack-behind.
+        if (d_ptr->z < qreal(0.0))
+            flags |= ItemStacksBehindParent;
+        else
+            flags &= ~ItemStacksBehindParent;
+        d_ptr->flags = flags;
+    }
+
     if ((flags & ItemStacksBehindParent) != (oldFlags & ItemStacksBehindParent)) {
+        // NB! This check has to come after the ItemNegativeZStacksBehindParent
+        // check above. Be careful.
+
         // Ensure child item sorting is up to date when toggling this flag.
         if (d_ptr->parent)
             d_ptr->parent->d_ptr->needSortChildren = 1;
@@ -1746,10 +1805,6 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags)
             d_ptr->scene->d_func()->updateInputMethodSensitivityInViews();
     }
 
-    if ((flags & ItemNegativeZStacksBehindParent) != (oldFlags & ItemNegativeZStacksBehindParent)) {
-        // Update stack-behind.
-        setFlag(ItemStacksBehindParent, d_ptr->z < qreal(0.0));
-    }
 
     if ((d_ptr->panelModality != NonModal)
         && d_ptr->scene
@@ -2515,6 +2570,7 @@ void QGraphicsItem::setOpacity(qreal opacity)
     if (newOpacity == d_ptr->opacity)
         return;
 
+    bool wasFullyTransparent = d_ptr->isOpacityNull();
     d_ptr->opacity = newOpacity;
 
     // Notify change.
@@ -2523,12 +2579,16 @@ void QGraphicsItem::setOpacity(qreal opacity)
     // Update.
     if (d_ptr->scene) {
 #ifndef QT_NO_GRAPHICSEFFECT
-        d_ptr->invalidateGraphicsEffectsRecursively();
+        d_ptr->invalidateParentGraphicsEffectsRecursively();
+        if (!(d_ptr->flags & ItemDoesntPropagateOpacityToChildren))
+            d_ptr->invalidateChildGraphicsEffectsRecursively(QGraphicsItemPrivate::OpacityChanged);
 #endif //QT_NO_GRAPHICSEFFECT
         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)
@@ -2568,6 +2628,8 @@ void QGraphicsItem::setGraphicsEffect(QGraphicsEffect *effect)
     if (d_ptr->graphicsEffect) {
         delete d_ptr->graphicsEffect;
         d_ptr->graphicsEffect = 0;
+    } else if (d_ptr->parent) {
+        d_ptr->parent->d_ptr->updateChildWithGraphicsEffectFlagRecursively();
     }
 
     if (effect) {
@@ -2581,6 +2643,19 @@ void QGraphicsItem::setGraphicsEffect(QGraphicsEffect *effect)
 }
 #endif //QT_NO_GRAPHICSEFFECT
 
+void QGraphicsItemPrivate::updateChildWithGraphicsEffectFlagRecursively()
+{
+#ifndef QT_NO_GRAPHICSEFFECT
+    QGraphicsItemPrivate *itemPrivate = this;
+    do {
+        // parent chain already notified?
+        if (itemPrivate->mayHaveChildWithGraphicsEffect)
+            return;
+        itemPrivate->mayHaveChildWithGraphicsEffect = 1;
+    } while ((itemPrivate = itemPrivate->parent ? itemPrivate->parent->d_ptr.data() : 0));
+#endif
+}
+
 /*!
     \internal
     \since 4.6
@@ -4264,9 +4339,9 @@ void QGraphicsItem::setZValue(qreal z)
     if (newZ == d_ptr->z)
         return;
 
-    if (d_ptr->scene) {
+    if (d_ptr->scene && d_ptr->scene->d_func()->indexMethod != QGraphicsScene::NoIndex) {
         // Z Value has changed, we have to notify the index.
-        d_ptr->scene->d_func()->index->itemChange(this, ItemZValueChange, newZVariant);
+        d_ptr->scene->d_func()->index->itemChange(this, ItemZValueChange, &newZ);
     }
 
     d_ptr->z = newZ;
@@ -5033,7 +5108,7 @@ int QGraphicsItemPrivate::depth() const
     \internal
 */
 #ifndef QT_NO_GRAPHICSEFFECT
-void QGraphicsItemPrivate::invalidateGraphicsEffectsRecursively()
+void QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively()
 {
     QGraphicsItemPrivate *itemPrivate = this;
     do {
@@ -5045,6 +5120,24 @@ void QGraphicsItemPrivate::invalidateGraphicsEffectsRecursively()
         }
     } while ((itemPrivate = itemPrivate->parent ? itemPrivate->parent->d_ptr.data() : 0));
 }
+
+void QGraphicsItemPrivate::invalidateChildGraphicsEffectsRecursively(QGraphicsItemPrivate::InvalidateReason reason)
+{
+    if (!mayHaveChildWithGraphicsEffect)
+        return;
+
+    for (int i = 0; i < children.size(); ++i) {
+        QGraphicsItemPrivate *childPrivate = children.at(i)->d_ptr.data();
+        if (reason == OpacityChanged && (childPrivate->flags & QGraphicsItem::ItemIgnoresParentOpacity))
+            continue;
+        if (childPrivate->graphicsEffect) {
+            childPrivate->notifyInvalidated = 1;
+            static_cast<QGraphicsItemEffectSourcePrivate *>(childPrivate->graphicsEffect->d_func()->source->d_func())->invalidateCache();
+        }
+
+        childPrivate->invalidateChildGraphicsEffectsRecursively(reason);
+    }
+}
 #endif //QT_NO_GRAPHICSEFFECT
 
 /*!
@@ -5289,7 +5382,7 @@ void QGraphicsItem::update(const QRectF &rect)
 
     // Make sure we notify effects about invalidated source.
 #ifndef QT_NO_GRAPHICSEFFECT
-    d_ptr->invalidateGraphicsEffectsRecursively();
+    d_ptr->invalidateParentGraphicsEffectsRecursively();
 #endif //QT_NO_GRAPHICSEFFECT
 
     if (CacheMode(d_ptr->cacheMode) != NoCache) {
@@ -7165,7 +7258,9 @@ void QGraphicsItem::prepareGeometryChange()
 
         QGraphicsScenePrivate *scenePrivate = d_ptr->scene->d_func();
         scenePrivate->index->prepareBoundingRectChange(this);
-        scenePrivate->markDirty(this, QRectF(), /*invalidateChildren=*/true);
+        scenePrivate->markDirty(this, QRectF(), /*invalidateChildren=*/true, /*force=*/false,
+                                /*ignoreOpacity=*/ false, /*removingItemFromScene=*/ false,
+                                /*updateBoundingRect=*/true);
 
         // For compatibility reasons, we have to update the item's old geometry
         // if someone is connected to the changed signal or the scene has no views.
@@ -7182,19 +7277,7 @@ void QGraphicsItem::prepareGeometryChange()
         }
     }
 
-    QGraphicsItem *parent = this;
-    while ((parent = parent->d_ptr->parent)) {
-        QGraphicsItemPrivate *parentp = parent->d_ptr.data();
-        parentp->dirtyChildrenBoundingRect = 1;
-        // ### Only do this if the parent's effect applies to the entire subtree.
-        parentp->notifyBoundingRectChanged = 1;
-#ifndef QT_NO_GRAPHICSEFFECT
-        if (parentp->scene && parentp->graphicsEffect) {
-            parentp->notifyInvalidated = 1;
-            static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func()->source->d_func())->invalidateCache();
-        }
-#endif
-    }
+    d_ptr->markParentDirty(/*updateBoundingRect=*/true);
 }
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 2d34b80..b3ca3b5 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -153,7 +153,7 @@ public:
         dirtyChildren(0),
         localCollisionHack(0),
         inSetPosHelper(0),
-        needSortChildren(1), // ### can be 0 by default?
+        needSortChildren(0),
         allChildrenDirty(0),
         fullUpdatePending(0),
         flags(0),
@@ -178,6 +178,8 @@ public:
         sequentialOrdering(1),
         updateDueToGraphicsEffect(0),
         scenePosDescendants(0),
+        pendingPolish(0),
+        mayHaveChildWithGraphicsEffect(0),
         globalStackingOrder(-1),
         q_ptr(0)
     {
@@ -195,8 +197,10 @@ public:
         return item->d_ptr.data();
     }
 
+    void updateChildWithGraphicsEffectFlagRecursively();
     void updateAncestorFlag(QGraphicsItem::GraphicsItemFlag childFlag,
                             AncestorFlag flag = NoFlag, bool enabled = false, bool root = true);
+    void updateAncestorFlags();
     void setIsMemberOfGroup(bool enabled);
     void remapItemPos(QEvent *event, QGraphicsItem *item);
     QPointF genericMapFromScene(const QPointF &pos, const QWidget *viewport) const;
@@ -223,13 +227,18 @@ public:
                               bool ignoreDirtyBit = false, bool ignoreOpacity = false) const;
     int depth() const;
 #ifndef QT_NO_GRAPHICSEFFECT
-    void invalidateGraphicsEffectsRecursively();
+    enum InvalidateReason {
+        OpacityChanged
+    };
+    void invalidateParentGraphicsEffectsRecursively();
+    void invalidateChildGraphicsEffectsRecursively(InvalidateReason reason);
 #endif //QT_NO_GRAPHICSEFFECT
     void invalidateDepthRecursively();
     void resolveDepth();
     void addChild(QGraphicsItem *child);
     void removeChild(QGraphicsItem *child);
-    void setParentItemHelper(QGraphicsItem *parent);
+    void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant,
+                             const QVariant *thisPointerVariant);
     void childrenBoundingRectHelper(QTransform *x, QRectF *rect);
     void initStyleOption(QStyleOptionGraphicsItem *option, const QTransform &worldTransform,
                          const QRegion &exposedRegion, bool allItems = false) const;
@@ -349,14 +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 {
@@ -397,6 +412,8 @@ public:
         return !visible || (childrenCombineOpacity() && isFullyTransparent());
     }
 
+    inline void markParentDirty(bool updateBoundingRect = false);
+
     void setFocusHelper(Qt::FocusReason focusReason, bool climb);
     void setSubFocus(QGraphicsItem *rootItem = 0);
     void clearSubFocus(QGraphicsItem *rootItem = 0);
@@ -484,6 +501,8 @@ public:
     quint32 sequentialOrdering : 1;
     quint32 updateDueToGraphicsEffect : 1;
     quint32 scenePosDescendants : 1;
+    quint32 pendingPolish : 1;
+    quint32 mayHaveChildWithGraphicsEffect : 1;
 
     // Optional stacking order
     int globalStackingOrder;
@@ -721,11 +740,13 @@ inline QTransform QGraphicsItemPrivate::transformToParent() const
 inline void QGraphicsItemPrivate::ensureSortedChildren()
 {
     if (needSortChildren) {
-        qSort(children.begin(), children.end(), qt_notclosestLeaf);
         needSortChildren = 0;
         sequentialOrdering = 1;
+        if (children.isEmpty())
+            return;
+        qSort(children.begin(), children.end(), qt_notclosestLeaf);
         for (int i = 0; i < children.size(); ++i) {
-            if (children[i]->d_ptr->siblingIndex != i) {
+            if (children.at(i)->d_ptr->siblingIndex != i) {
                 sequentialOrdering = 0;
                 break;
             }
@@ -741,6 +762,37 @@ inline bool QGraphicsItemPrivate::insertionOrder(QGraphicsItem *a, QGraphicsItem
     return a->d_ptr->siblingIndex < b->d_ptr->siblingIndex;
 }
 
+/*!
+    \internal
+*/
+inline void QGraphicsItemPrivate::markParentDirty(bool updateBoundingRect)
+{
+    QGraphicsItemPrivate *parentp = this;
+    while (parentp->parent) {
+        parentp = parentp->parent->d_ptr.data();
+        parentp->dirtyChildren = 1;
+
+        if (updateBoundingRect) {
+            parentp->dirtyChildrenBoundingRect = 1;
+            // ### Only do this if the parent's effect applies to the entire subtree.
+            parentp->notifyBoundingRectChanged = 1;
+        }
+#ifndef QT_NO_GRAPHICSEFFECT
+        if (parentp->graphicsEffect) {
+            if (updateBoundingRect) {
+                parentp->notifyInvalidated = 1;
+                static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func()
+                                                                ->source->d_func())->invalidateCache();
+            }
+            if (parentp->graphicsEffect->isEnabled()) {
+                parentp->dirty = 1;
+                parentp->fullUpdatePending = 1;
+            }
+        }
+#endif
+    }
+}
+
 QT_END_NAMESPACE
 
 #endif // QT_NO_GRAPHICSVIEW
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index cea723c..66707fc 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
@@ -292,7 +293,6 @@ QGraphicsScenePrivate::QGraphicsScenePrivate()
       processDirtyItemsEmitted(false),
       selectionChanging(0),
       needSortTopLevelItems(true),
-      unpolishedItemsModified(true),
       holesInTopLevelSiblingIndex(false),
       topLevelSequentialOrdering(true),
       scenePosDescendantsUpdatePending(false),
@@ -373,7 +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.
@@ -429,22 +432,38 @@ void QGraphicsScenePrivate::unregisterTopLevelItem(QGraphicsItem *item)
 */
 void QGraphicsScenePrivate::_q_polishItems()
 {
-    QSet<QGraphicsItem *>::Iterator it = unpolishedItems.begin();
+    if (unpolishedItems.isEmpty())
+        return;
+
     const QVariant booleanTrueVariant(true);
-    while (!unpolishedItems.isEmpty()) {
-        QGraphicsItem *item = *it;
-        it = unpolishedItems.erase(it);
-        unpolishedItemsModified = false;
-        if (!item->d_ptr->explicitlyHidden) {
+    QGraphicsItem *item = 0;
+    QGraphicsItemPrivate *itemd = 0;
+    const int oldUnpolishedCount = unpolishedItems.count();
+
+    for (int i = 0; i < oldUnpolishedCount; ++i) {
+        item = unpolishedItems.at(i);
+        if (!item)
+            continue;
+        itemd = item->d_ptr.data();
+        itemd->pendingPolish = false;
+        if (!itemd->explicitlyHidden) {
             item->itemChange(QGraphicsItem::ItemVisibleChange, booleanTrueVariant);
             item->itemChange(QGraphicsItem::ItemVisibleHasChanged, booleanTrueVariant);
         }
-        if (item->isWidget()) {
+        if (itemd->isWidget) {
             QEvent event(QEvent::Polish);
             QApplication::sendEvent((QGraphicsWidget *)item, &event);
         }
-        if (unpolishedItemsModified)
-            it = unpolishedItems.begin();
+    }
+
+    if (unpolishedItems.count() == oldUnpolishedCount) {
+        // No new items were added to the vector.
+        unpolishedItems.clear();
+    } else {
+        // New items were appended; keep them and remove the old ones.
+        unpolishedItems.remove(0, oldUnpolishedCount);
+        unpolishedItems.squeeze();
+        QMetaObject::invokeMethod(q_ptr, "_q_polishItems", Qt::QueuedConnection);
     }
 }
 
@@ -599,7 +618,7 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
         if (parentItem->scene()) {
             Q_ASSERT_X(parentItem->scene() == q, "QGraphicsScene::removeItem",
                        "Parent item's scene is different from this item's scene");
-            item->d_ptr->setParentItemHelper(0);
+            item->setParentItem(0);
         }
     } else {
         unregisterTopLevelItem(item);
@@ -638,8 +657,12 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
     selectedItems.remove(item);
     hoverItems.removeAll(item);
     cachedItemsUnderMouse.removeAll(item);
-    unpolishedItems.remove(item);
-    unpolishedItemsModified = true;
+    if (item->d_ptr->pendingPolish) {
+        const int unpolishedIndex = unpolishedItems.indexOf(item);
+        if (unpolishedIndex != -1)
+            unpolishedItems[unpolishedIndex] = 0;
+        item->d_ptr->pendingPolish = false;
+    }
     resetDirtyItem(item);
 
     //We remove all references of item from the sceneEventFilter arrays
@@ -1936,7 +1959,7 @@ QList<QGraphicsItem *> QGraphicsScene::items(const QRectF &rectangle, Qt::ItemSe
     \since 4.3
 
     This convenience function is equivalent to calling items(QRectF(\a x, \a y, \a w, \a h), \a mode).
-    
+
     This function is deprecated and returns incorrect results if the scene
     contains items that ignore transformations. Use the overload that takes
     a QTransform instead.
@@ -2482,12 +2505,12 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
         qWarning("QGraphicsScene::addItem: cannot add null item");
         return;
     }
-    if (item->scene() == this) {
+    if (item->d_ptr->scene == this) {
         qWarning("QGraphicsScene::addItem: item has already been added to this scene");
         return;
     }
     // Remove this item from its existing scene
-    if (QGraphicsScene *oldScene = item->scene())
+    if (QGraphicsScene *oldScene = item->d_ptr->scene)
         oldScene->removeItem(item);
 
     // Notify the item that its scene is changing, and allow the item to
@@ -2496,15 +2519,20 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
                                                     qVariantFromValue<QGraphicsScene *>(this)));
     QGraphicsScene *targetScene = qVariantValue<QGraphicsScene *>(newSceneVariant);
     if (targetScene != this) {
-        if (targetScene && item->scene() != targetScene)
+        if (targetScene && item->d_ptr->scene != targetScene)
             targetScene->addItem(item);
         return;
     }
 
+    if (d->unpolishedItems.isEmpty())
+        QMetaObject::invokeMethod(this, "_q_polishItems", Qt::QueuedConnection);
+    d->unpolishedItems.append(item);
+    item->d_ptr->pendingPolish = true;
+
     // Detach this item from its parent if the parent's scene is different
     // from this scene.
-    if (QGraphicsItem *itemParent = item->parentItem()) {
-        if (itemParent->scene() != this)
+    if (QGraphicsItem *itemParent = item->d_ptr->parent) {
+        if (itemParent->d_ptr->scene != this)
             item->setParentItem(0);
     }
 
@@ -2534,7 +2562,7 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
         d->enableMouseTrackingOnViews();
     }
 #ifndef QT_NO_CURSOR
-    if (d->allItemsUseDefaultCursor && item->hasCursor()) {
+    if (d->allItemsUseDefaultCursor && item->d_ptr->hasCursor) {
         d->allItemsUseDefaultCursor = false;
         if (d->allItemsIgnoreHoverEvents) // already enabled otherwise
             d->enableMouseTrackingOnViews();
@@ -2542,7 +2570,7 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
 #endif //QT_NO_CURSOR
 
     // Enable touch events if the item accepts touch events.
-    if (d->allItemsIgnoreTouchEvents && item->acceptTouchEvents()) {
+    if (d->allItemsIgnoreTouchEvents && item->d_ptr->acceptTouchEvents) {
         d->allItemsIgnoreTouchEvents = false;
         d->enableTouchEventsOnViews();
     }
@@ -2575,17 +2603,14 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
     }
 
     // Add all children recursively
-    foreach (QGraphicsItem *child, item->children())
-        addItem(child);
+    item->d_ptr->ensureSortedChildren();
+    for (int i = 0; i < item->d_ptr->children.size(); ++i)
+        addItem(item->d_ptr->children.at(i));
 
     // Resolve font and palette.
     item->d_ptr->resolveFont(d->font.resolve());
     item->d_ptr->resolvePalette(d->palette.resolve());
 
-    if (d->unpolishedItems.isEmpty())
-        QMetaObject::invokeMethod(this, "_q_polishItems", Qt::QueuedConnection);
-    d->unpolishedItems.insert(item);
-    d->unpolishedItemsModified = true;
 
     // Reenable selectionChanged() for individual items
     --d->selectionChanging;
@@ -2619,7 +2644,7 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
         }
     }
 
-    if (item->flags() & QGraphicsItem::ItemSendsScenePositionChanges)
+    if (item->d_ptr->flags & QGraphicsItem::ItemSendsScenePositionChanges)
         d->registerScenePosItem(item);
 
     // Ensure that newly added items that have subfocus set, gain
@@ -3766,10 +3791,10 @@ void QGraphicsScene::helpEvent(QGraphicsSceneHelpEvent *helpEvent)
 
 bool QGraphicsScenePrivate::itemAcceptsHoverEvents_helper(const QGraphicsItem *item) const
 {
-    return (!item->isBlockedByModalPanel() &&
-            (item->acceptHoverEvents()
-             || (item->isWidget()
-                 && static_cast<const QGraphicsWidget *>(item)->d_func()->hasDecoration())));
+    return (item->d_ptr->acceptsHover
+            || (item->d_ptr->isWidget
+                && static_cast<const QGraphicsWidget *>(item)->d_func()->hasDecoration()))
+           && !item->isBlockedByModalPanel();
 }
 
 /*!
@@ -4582,6 +4607,7 @@ 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);
@@ -4609,7 +4635,7 @@ 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;
 
@@ -4729,7 +4755,7 @@ 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();
 
@@ -4744,7 +4770,12 @@ 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
@@ -4780,8 +4811,14 @@ 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)
@@ -4811,7 +4848,8 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
 }
 
 void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, bool invalidateChildren,
-                                      bool force, bool ignoreOpacity, bool removingItemFromScene)
+                                      bool force, bool ignoreOpacity, bool removingItemFromScene,
+                                      bool updateBoundingRect)
 {
     Q_ASSERT(item);
     if (updateAll)
@@ -4882,17 +4920,8 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b
     if (ignoreOpacity)
         item->d_ptr->ignoreOpacity = 1;
 
-    QGraphicsItem *p = item->d_ptr->parent;
-    while (p) {
-        p->d_ptr->dirtyChildren = 1;
-#ifndef QT_NO_GRAPHICSEFFECT
-        if (p->d_ptr->graphicsEffect && p->d_ptr->graphicsEffect->isEnabled()) {
-            p->d_ptr->dirty = 1;
-            p->d_ptr->fullUpdatePending = 1;
-        }
-#endif //QT_NO_GRAPHICSEFFECT
-        p = p->d_ptr->parent;
-    }
+    if (!updateBoundingRect)
+        item->d_ptr->markParentDirty();
 }
 
 static inline bool updateHelper(QGraphicsViewPrivate *view, QGraphicsItemPrivate *item,
@@ -4967,7 +4996,8 @@ 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;
@@ -5140,6 +5170,7 @@ 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/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h
index d10811c..04ffe0f 100644
--- a/src/gui/graphicsview/qgraphicsscene_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_p.h
@@ -108,10 +108,9 @@ public:
     QPainterPath selectionArea;
     int selectionChanging;
     QSet<QGraphicsItem *> selectedItems;
-    QSet<QGraphicsItem *> unpolishedItems;
+    QVector<QGraphicsItem *> unpolishedItems;
     QList<QGraphicsItem *> topLevelItems;
     bool needSortTopLevelItems;
-    bool unpolishedItemsModified;
     bool holesInTopLevelSiblingIndex;
     bool topLevelSequentialOrdering;
 
@@ -223,7 +222,8 @@ public:
               QRegion *, QWidget *, qreal, const QTransform *const, bool, bool);
 
     void markDirty(QGraphicsItem *item, const QRectF &rect = QRectF(), bool invalidateChildren = false,
-                   bool force = false, bool ignoreOpacity = false, bool removingItemFromScene = false);
+                   bool force = false, bool ignoreOpacity = false, bool removingItemFromScene = false,
+                   bool updateBoundingRect = false);
     void processDirtyItemsRecursive(QGraphicsItem *item, bool dirtyAncestorContainsChildren = false,
                                     qreal parentOpacity = qreal(1.0));
 
diff --git a/src/gui/graphicsview/qgraphicsscenebsptreeindex.cpp b/src/gui/graphicsview/qgraphicsscenebsptreeindex.cpp
index 2e92b87..2a91348 100644
--- a/src/gui/graphicsview/qgraphicsscenebsptreeindex.cpp
+++ b/src/gui/graphicsview/qgraphicsscenebsptreeindex.cpp
@@ -635,16 +635,17 @@ void QGraphicsSceneBspTreeIndex::updateSceneRect(const QRectF &rect)
     This method react to the \a change of the \a item and use the \a value to
     update the BSP tree if necessary.
 */
-void QGraphicsSceneBspTreeIndex::itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const QVariant &value)
+void QGraphicsSceneBspTreeIndex::itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const void *const value)
 {
     Q_D(QGraphicsSceneBspTreeIndex);
     switch (change) {
     case QGraphicsItem::ItemFlagsChange: {
         // Handle ItemIgnoresTransformations
+        QGraphicsItem::GraphicsItemFlags newFlags = *static_cast<const QGraphicsItem::GraphicsItemFlags *>(value);
         bool ignoredTransform = item->d_ptr->flags & QGraphicsItem::ItemIgnoresTransformations;
-        bool willIgnoreTransform = value.toUInt() & QGraphicsItem::ItemIgnoresTransformations;
+        bool willIgnoreTransform = newFlags & QGraphicsItem::ItemIgnoresTransformations;
         bool clipsChildren = item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape;
-        bool willClipChildren = value.toUInt() & QGraphicsItem::ItemClipsChildrenToShape;
+        bool willClipChildren = newFlags & QGraphicsItem::ItemClipsChildrenToShape;
         if ((ignoredTransform != willIgnoreTransform) || (clipsChildren != willClipChildren)) {
             QGraphicsItem *thatItem = const_cast<QGraphicsItem *>(item);
             // Remove item and its descendants from the index and append
@@ -661,7 +662,7 @@ void QGraphicsSceneBspTreeIndex::itemChange(const QGraphicsItem *item, QGraphics
     case QGraphicsItem::ItemParentChange: {
         d->invalidateSortCache();
         // Handle ItemIgnoresTransformations
-        QGraphicsItem *newParent = qVariantValue<QGraphicsItem *>(value);
+        const QGraphicsItem *newParent = static_cast<const QGraphicsItem *>(value);
         bool ignoredTransform = item->d_ptr->itemIsUntransformable();
         bool willIgnoreTransform = (item->d_ptr->flags & QGraphicsItem::ItemIgnoresTransformations)
                                    || (newParent && newParent->d_ptr->itemIsUntransformable());
@@ -682,7 +683,6 @@ void QGraphicsSceneBspTreeIndex::itemChange(const QGraphicsItem *item, QGraphics
     default:
         break;
     }
-    return QGraphicsSceneIndex::itemChange(item, change, value);
 }
 /*!
     \reimp
diff --git a/src/gui/graphicsview/qgraphicsscenebsptreeindex_p.h b/src/gui/graphicsview/qgraphicsscenebsptreeindex_p.h
index 119571b..f671fd9 100644
--- a/src/gui/graphicsview/qgraphicsscenebsptreeindex_p.h
+++ b/src/gui/graphicsview/qgraphicsscenebsptreeindex_p.h
@@ -97,7 +97,7 @@ protected:
     void removeItem(QGraphicsItem *item);
     void prepareBoundingRectChange(const QGraphicsItem *item);
 
-    void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const QVariant &value);
+    void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const void *const value);
 
 private :
     Q_DECLARE_PRIVATE(QGraphicsSceneBspTreeIndex)
diff --git a/src/gui/graphicsview/qgraphicssceneindex.cpp b/src/gui/graphicsview/qgraphicssceneindex.cpp
index bc8a7dc..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.
 */
@@ -624,7 +624,7 @@ void QGraphicsSceneIndex::deleteItem(QGraphicsItem *item)
 
     \sa QGraphicsItem::GraphicsItemChange
 */
-void QGraphicsSceneIndex::itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const QVariant &value)
+void QGraphicsSceneIndex::itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const void *const value)
 {
     Q_UNUSED(item);
     Q_UNUSED(change);
diff --git a/src/gui/graphicsview/qgraphicssceneindex_p.h b/src/gui/graphicsview/qgraphicssceneindex_p.h
index def58f0..597a229 100644
--- a/src/gui/graphicsview/qgraphicssceneindex_p.h
+++ b/src/gui/graphicsview/qgraphicssceneindex_p.h
@@ -110,7 +110,7 @@ protected:
     virtual void removeItem(QGraphicsItem *item) = 0;
     virtual void deleteItem(QGraphicsItem *item);
 
-    virtual void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange, const QVariant &value);
+    virtual void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange, const void *const value);
     virtual void prepareBoundingRectChange(const QGraphicsItem *item);
 
     QGraphicsSceneIndex(QGraphicsSceneIndexPrivate &dd, QGraphicsScene *scene);
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/gui.pro b/src/gui/gui.pro
index 4215f97..8ad3bac 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -54,4 +54,5 @@ DEFINES += Q_INTERNAL_QAPP_SRC
 symbian:TARGET.UID3=0x2001B2DD
 
 # ro-section in gui can exceed default allocated space, so more rw-section little further
-symbian-sbsv2: QMAKE_LFLAGS.ARMCC += --rw-base 0x800000"
+symbian-sbsv2: QMAKE_LFLAGS.ARMCC += --rw-base 0x800000
+symbian: QMAKE_LFLAGS.GCCE += -Tdata 0xC00000
diff --git a/src/gui/image/qbmphandler.cpp b/src/gui/image/qbmphandler.cpp
index 854be2e..42e19b8 100644
--- a/src/gui/image/qbmphandler.cpp
+++ b/src/gui/image/qbmphandler.cpp
@@ -144,7 +144,7 @@ static QDataStream &operator<<(QDataStream &s, const BMP_INFOHDR &bi)
 static int calc_shift(int mask)
 {
     int result = 0;
-    while (!(mask & 1)) {
+    while (mask && !(mask & 1)) {
         result++;
         mask >>= 1;
     }
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index ac1d303..bf6eb8d 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -104,6 +104,15 @@ QT_BEGIN_NAMESPACE
 
 static QBasicAtomicInt serialNumCounter = Q_BASIC_ATOMIC_INITIALIZER(1);
 
+static void qt_cleanup_icon_cache();
+typedef QCache<QString, QIcon> IconCache;
+Q_GLOBAL_STATIC_WITH_INITIALIZER(IconCache, qtIconCache, qAddPostRoutine(qt_cleanup_icon_cache))
+
+static void qt_cleanup_icon_cache()
+{
+    qtIconCache()->clear();
+}
+
 QIconPrivate::QIconPrivate()
     : engine(0), ref(1),
     serialNum(serialNumCounter.fetchAndAddRelaxed(1)),
@@ -963,15 +972,13 @@ QString QIcon::themeName()
 */
 QIcon QIcon::fromTheme(const QString &name, const QIcon &fallback)
 {
-    static QCache <QString, QIcon> iconCache;
-
     QIcon icon;
 
-    if (iconCache.contains(name)) {
-        icon = *iconCache.object(name);
+    if (qtIconCache()->contains(name)) {
+        icon = *qtIconCache()->object(name);
     } else {
         QIcon *cachedIcon  = new QIcon(new QIconLoaderEngine(name));
-        iconCache.insert(name, cachedIcon);
+        qtIconCache()->insert(name, cachedIcon);
         icon = *cachedIcon;
     }
 
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/qimagereader.cpp b/src/gui/image/qimagereader.cpp
index c9e015c..9320cfc 100644
--- a/src/gui/image/qimagereader.cpp
+++ b/src/gui/image/qimagereader.cpp
@@ -263,25 +263,37 @@ static QImageIOHandler *createReadHandlerHelper(QIODevice *device,
             device->seek(pos);
     }
 
-    if (!handler && !testFormat.isEmpty() && autoDetectImageFormat && !ignoresFormatAndExtension) {
+    if (!handler && !testFormat.isEmpty() && !ignoresFormatAndExtension) {
         // check if any plugin supports the format (they are not allowed to
         // read from the device yet).
         const qint64 pos = device ? device->pos() : 0;
-        for (int i = 0; i < keys.size(); ++i) {
-            if (i != suffixPluginIndex) {
-                QImageIOPlugin *plugin = qobject_cast<QImageIOPlugin *>(l->instance(keys.at(i)));
-                if (plugin && plugin->capabilities(device, testFormat) & QImageIOPlugin::CanRead) {
+
+        if (autoDetectImageFormat) {
+            for (int i = 0; i < keys.size(); ++i) {
+                if (i != suffixPluginIndex) {
+                    QImageIOPlugin *plugin = qobject_cast<QImageIOPlugin *>(l->instance(keys.at(i)));
+                    if (plugin && plugin->capabilities(device, testFormat) & QImageIOPlugin::CanRead) {
 #ifdef QIMAGEREADER_DEBUG
-                    qDebug() << "QImageReader::createReadHandler: the" << keys.at(i) << "plugin can read this format";
+                        qDebug() << "QImageReader::createReadHandler: the" << keys.at(i) << "plugin can read this format";
 #endif
-                    handler = plugin->create(device, testFormat);
-                    break;
+                        handler = plugin->create(device, testFormat);
+                        break;
+                    }
                 }
             }
+        } else {
+            QImageIOPlugin *plugin = qobject_cast<QImageIOPlugin *>(l->instance(QLatin1String(testFormat)));
+            if (plugin && plugin->capabilities(device, testFormat) & QImageIOPlugin::CanRead) {
+#ifdef QIMAGEREADER_DEBUG
+                qDebug() << "QImageReader::createReadHandler: the" << testFormat << "plugin can read this format";
+#endif
+                handler = plugin->create(device, testFormat);
+            }
         }
         if (device && !device->isSequential())
             device->seek(pos);
     }
+
 #endif // QT_NO_LIBRARY
 
     // if we don't have a handler yet, check if we have built-in support for
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index f823fdc..d1e5c40 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)
@@ -1943,7 +1937,7 @@ 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 0e66e09..e1e8a0d 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>
 
@@ -1228,6 +1229,12 @@ 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();
 }
 
@@ -1236,8 +1243,13 @@ 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/qpixmapfilter.cpp b/src/gui/image/qpixmapfilter.cpp
index 37a6a18..2792e45 100644
--- a/src/gui/image/qpixmapfilter.cpp
+++ b/src/gui/image/qpixmapfilter.cpp
@@ -422,6 +422,9 @@ void QPixmapConvolutionFilter::draw(QPainter *painter, const QPointF &p, const Q
     if(d->kernelWidth<=0 || d->kernelHeight <= 0)
         return;
 
+    if (src.isNull())
+        return;
+
     QPixmapFilter *filter = painter->paintEngine() && painter->paintEngine()->isExtended() ?
         static_cast<QPaintEngineEx *>(painter->paintEngine())->pixmapFilter(type(), this) : 0;
     QPixmapConvolutionFilter *convolutionFilter = static_cast<QPixmapConvolutionFilter*>(filter);
@@ -710,7 +713,8 @@ void expblur(QImage &img, qreal radius, bool improvedQuality = false, int transp
         radius *= qreal(0.5);
 
     Q_ASSERT(img.format() == QImage::Format_ARGB32_Premultiplied
-             || img.format() == QImage::Format_RGB32);
+             || img.format() == QImage::Format_RGB32
+             || img.format() == QImage::Format_Indexed8);
 
     // choose the alpha such that pixels at radius distance from a fully
     // saturated pixel will have an alpha component of no greater than
@@ -902,6 +906,9 @@ void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap
     if (!painter->isActive())
         return;
 
+    if (src.isNull())
+        return;
+
     QRectF srcRect = rect;
     if (srcRect.isNull())
         srcRect = src.rect();
@@ -1082,6 +1089,10 @@ void QPixmapColorizeFilter::setStrength(qreal strength)
 void QPixmapColorizeFilter::draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect) const
 {
     Q_D(const QPixmapColorizeFilter);
+
+    if (src.isNull())
+        return;
+
     QPixmapFilter *filter = painter->paintEngine() && painter->paintEngine()->isExtended() ?
         static_cast<QPaintEngineEx *>(painter->paintEngine())->pixmapFilter(type(), this) : 0;
     QPixmapColorizeFilter *colorizeFilter = static_cast<QPixmapColorizeFilter*>(filter);
@@ -1312,6 +1323,10 @@ void QPixmapDropShadowFilter::draw(QPainter *p,
                                    const QRectF &src) const
 {
     Q_D(const QPixmapDropShadowFilter);
+
+    if (px.isNull())
+        return;
+
     QPixmapFilter *filter = p->paintEngine() && p->paintEngine()->isExtended() ?
         static_cast<QPaintEngineEx *>(p->paintEngine())->pixmapFilter(type(), this) : 0;
     QPixmapDropShadowFilter *dropShadowFilter = static_cast<QPixmapDropShadowFilter*>(filter);
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 793bcde..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)
 {
@@ -101,11 +100,7 @@ QCoeFepInputContext::~QCoeFepInputContext()
 
 void QCoeFepInputContext::reset()
 {
-    commitTemporaryPreeditString();
-
-    CCoeFep* fep = CCoeEnv::Static()->Fep();
-    if (fep)
-        fep->CancelTransaction();
+    commitCurrentString(true);
 }
 
 void QCoeFepInputContext::ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType)
@@ -130,7 +125,7 @@ void QCoeFepInputContext::update()
 
 void QCoeFepInputContext::setFocusWidget(QWidget *w)
 {
-    commitCurrentString(false);
+    commitCurrentString(true);
 
     QInputContext::setFocusWidget(w);
 
@@ -223,7 +218,7 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
             break;
         case Qt::Key_Select:
             if (!m_preeditString.isEmpty()) {
-                commitCurrentString(false);
+                commitCurrentString(true);
                 return true;
             }
             break;
@@ -235,10 +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();
@@ -290,7 +286,6 @@ void QCoeFepInputContext::commitTemporaryPreeditString()
         return;
 
     commitCurrentString(false);
-    m_hasTempPreeditString = false;
 }
 
 void QCoeFepInputContext::mouseHandler( int x, QMouseEvent *event)
@@ -298,7 +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;
@@ -744,30 +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_longPress = 0;
+    m_hasTempPreeditString = false;
+    longPress = 0;
 
-    if (!triggeredBySymbian) {
+    if (cancelFepTransaction) {
         CCoeFep* fep = CCoeEnv::Static()->Fep();
         if (fep)
             fep->CancelTransaction();
diff --git a/src/gui/itemviews/qfileiconprovider.cpp b/src/gui/itemviews/qfileiconprovider.cpp
index 360ed14..fcc61e5 100644
--- a/src/gui/itemviews/qfileiconprovider.cpp
+++ b/src/gui/itemviews/qfileiconprovider.cpp
@@ -65,6 +65,7 @@
 
 #ifndef SHGFI_ADDOVERLAYS
 #  define SHGFI_ADDOVERLAYS 0x000000020
+#  define SHGFI_OVERLAYINDEX 0x000000040
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -248,7 +249,7 @@ QIcon QFileIconProviderPrivate::getWinIcon(const QFileInfo &fileInfo) const
     //Get the small icon
 #ifndef Q_OS_WINCE
     val = SHGetFileInfo((const wchar_t *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
-                        sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_SMALLICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS);
+                        sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_SMALLICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS|SHGFI_OVERLAYINDEX);
 #else
     val = SHGetFileInfo((const wchar_t *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
                         sizeof(SHFILEINFO), SHGFI_SMALLICON|SHGFI_SYSICONINDEX);
@@ -287,7 +288,7 @@ QIcon QFileIconProviderPrivate::getWinIcon(const QFileInfo &fileInfo) const
     //Get the big icon
 #ifndef Q_OS_WINCE
     val = SHGetFileInfo((const wchar_t *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
-                        sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_LARGEICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS);
+                        sizeof(SHFILEINFO), SHGFI_ICON|SHGFI_LARGEICON|SHGFI_SYSICONINDEX|SHGFI_ADDOVERLAYS|SHGFI_OVERLAYINDEX);
 #else
     val = SHGetFileInfo((const wchar_t *)QDir::toNativeSeparators(fileInfo.filePath()).utf16(), 0, &info,
                         sizeof(SHFILEINFO), SHGFI_LARGEICON|SHGFI_SYSICONINDEX);
diff --git a/src/gui/itemviews/qitemdelegate.cpp b/src/gui/itemviews/qitemdelegate.cpp
index 6fd26a7..9069ce4 100644
--- a/src/gui/itemviews/qitemdelegate.cpp
+++ b/src/gui/itemviews/qitemdelegate.cpp
@@ -1033,7 +1033,7 @@ static QString qPixmapSerial(quint64 i, bool enabled)
         i >>= 4;
     }
 
-    return QString::fromUtf16(ptr, int(&arr[sizeof(arr) / sizeof(ushort)] - ptr));
+    return QString((const QChar *)ptr, int(&arr[sizeof(arr) / sizeof(ushort)] - ptr));
 }
 
 /*!
diff --git a/src/gui/itemviews/qlistview.cpp b/src/gui/itemviews/qlistview.cpp
index 19b1e8c..b2def39 100644
--- a/src/gui/itemviews/qlistview.cpp
+++ b/src/gui/itemviews/qlistview.cpp
@@ -2160,7 +2160,7 @@ void QListModeViewBase::scrollContentsBy(int dx, int dy, bool scrollElasticBand)
     } else {
         if (flowPositions.isEmpty())
             return;
-        const int max = flowPositions.count() - 1;
+        const int max = scrollValueMap.count() - 1;
         if (vertical && flow() == QListView::TopToBottom && dy != 0) {
             int currentValue = qBound(0, verticalValue, max);
             int previousValue = qBound(0, currentValue + dy, max);
diff --git a/src/gui/itemviews/qtableview.cpp b/src/gui/itemviews/qtableview.cpp
index 7eefb0b..3111896 100644
--- a/src/gui/itemviews/qtableview.cpp
+++ b/src/gui/itemviews/qtableview.cpp
@@ -114,7 +114,9 @@ void QSpanCollection::updateSpan(QSpanCollection::Span *span, int old_height)
         }
     } else if (old_height > span->height()) {
         //remove the span from all the subspans lists that intersect the columns not covered anymore
-        Index::iterator it_y = index.lowerBound(qMin(-span->bottom(), 0));
+        Index::iterator it_y = index.lowerBound(-span->bottom());
+        if (it_y == index.end())
+            it_y = index.find(-span->top());    // This is the only span remaining and we are deleting it.
         Q_ASSERT(it_y != index.end()); //it_y must exist since the span is in the list
         while (-it_y.key() <= span->top() + old_height -1) {
             if (-it_y.key() > span->bottom()) {
diff --git a/src/gui/kernel/kernel.pri b/src/gui/kernel/kernel.pri
index f2bd288..0993b86 100644
--- a/src/gui/kernel/kernel.pri
+++ b/src/gui/kernel/kernel.pri
@@ -7,7 +7,7 @@ PRECOMPILED_HEADER = kernel/qt_gui_pch.h
 KERNEL_P= kernel
 HEADERS += \
 	kernel/qaction.h \
-        kernel/qaction_p.h \
+    kernel/qaction_p.h \
 	kernel/qactiongroup.h \
 	kernel/qapplication.h \
 	kernel/qapplication_p.h \
@@ -37,8 +37,8 @@ HEADERS += \
 	kernel/qstackedlayout.h \
 	kernel/qtooltip.h \
 	kernel/qwhatsthis.h \
-        kernel/qwidget.h \
-        kernel/qwidget_p.h \
+    kernel/qwidget.h \
+    kernel/qwidget_p.h \
 	kernel/qwidgetaction.h \
 	kernel/qwidgetaction_p.h \
 	kernel/qwindowdefs.h \
@@ -49,6 +49,7 @@ HEADERS += \
 	kernel/qgesturerecognizer.h \
 	kernel/qgesturemanager_p.h \
 	kernel/qsoftkeymanager_p.h \
+    kernel/qsoftkeymanager_common_p.h \
 	kernel/qguiplatformplugin_p.h
 
 SOURCES += \
@@ -84,14 +85,14 @@ SOURCES += \
 	kernel/qgesturerecognizer.cpp \
 	kernel/qgesturemanager.cpp \
 	kernel/qsoftkeymanager.cpp \
-        kernel/qdesktopwidget.cpp \
+    kernel/qdesktopwidget.cpp \
 	kernel/qguiplatformplugin.cpp
 
 win32 {
 	DEFINES += QT_NO_DIRECTDRAW
 
-        HEADERS += \
-                kernel/qwinnativepangesturerecognizer_win_p.h
+    HEADERS += \
+        kernel/qwinnativepangesturerecognizer_win_p.h
 
 	SOURCES += \
 		kernel/qapplication_win.cpp \
@@ -103,30 +104,34 @@ win32 {
 		kernel/qsound_win.cpp \
 		kernel/qwidget_win.cpp \
 		kernel/qole_win.cpp \
-                kernel/qkeymapper_win.cpp \
-                kernel/qwinnativepangesturerecognizer_win.cpp
+        kernel/qkeymapper_win.cpp \
+        kernel/qwinnativepangesturerecognizer_win.cpp
 
-        !contains(DEFINES, QT_NO_DIRECTDRAW):LIBS += ddraw.lib
+    !contains(DEFINES, QT_NO_DIRECTDRAW):LIBS += ddraw.lib
 }
 
 symbian {
-        SOURCES += \
-                kernel/qapplication_s60.cpp \
-                kernel/qeventdispatcher_s60.cpp \
-                kernel/qwidget_s60.cpp \
-                kernel/qcursor_s60.cpp \
-                kernel/qdesktopwidget_s60.cpp \
-                kernel/qkeymapper_s60.cpp\
-                kernel/qclipboard_s60.cpp\
-                kernel/qdnd_s60.cpp \
-                kernel/qsound_s60.cpp
+    SOURCES += \
+        kernel/qapplication_s60.cpp \
+        kernel/qeventdispatcher_s60.cpp \
+        kernel/qwidget_s60.cpp \
+        kernel/qcursor_s60.cpp \
+        kernel/qdesktopwidget_s60.cpp \
+        kernel/qkeymapper_s60.cpp\
+        kernel/qclipboard_s60.cpp\
+        kernel/qdnd_s60.cpp \
+        kernel/qsound_s60.cpp \
+        kernel/qsoftkeymanager_s60.cpp
 
-        HEADERS += \
-                kernel/qt_s60_p.h \
-                kernel/qeventdispatcher_s60_p.h
-        LIBS += -lbafl -lestor
+    HEADERS += \
+        kernel/qt_s60_p.h \
+        kernel/qeventdispatcher_s60_p.h \
+        kernel/qsoftkeymanager_s60_p.h
+
+    LIBS += -lbafl -lestor
 
-        INCLUDEPATH += $$MW_LAYER_SYSTEMINCLUDE
+    INCLUDEPATH += $$MW_LAYER_SYSTEMINCLUDE
+    INCLUDEPATH += ../3rdparty/s60
 }
 
 
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 12fe797..4fe3900 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -121,8 +121,10 @@ extern bool qt_wince_is_pocket_pc();  //qguifunctions_wince.cpp
 
 static void initResources()
 {
-#ifdef Q_WS_WINCE
+#if defined(Q_WS_WINCE)
     Q_INIT_RESOURCE(qstyle_wince);
+#elif defined(Q_OS_SYMBIAN)
+    Q_INIT_RESOURCE(qstyle_s60);
 #else
     Q_INIT_RESOURCE(qstyle);
 #endif
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index 6aebef5..54a4901 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -227,8 +227,29 @@ void onApplicationChangedActivation( bool activated );
 
 static void qt_mac_read_fontsmoothing_settings()
 {
-    NSInteger appleFontSmoothing = [[NSUserDefaults standardUserDefaults] integerForKey:@"AppleFontSmoothing"];
-    qt_applefontsmoothing_enabled = (appleFontSmoothing > 0);
+    qt_applefontsmoothing_enabled = true;
+    int w = 10, h = 10;
+    QImage image(w, h, QImage::Format_RGB32);
+    image.fill(0xffffffff);
+    QPainter p(&image);
+    p.drawText(0, h, "X\\");
+    p.end();
+
+    const int *bits = (const int *) ((const QImage &) image).bits();
+    int bpl = image.bytesPerLine() / 4;
+    for (int y=0; y<w; ++y) {
+        for (int x=0; x<h; ++x) {
+            int r = qRed(bits[x]);
+            int g = qGreen(bits[x]);
+            int b = qBlue(bits[x]);
+            if (r != g || r != b) {
+                qt_applefontsmoothing_enabled = true;
+                return;
+            }
+        }
+        bits += bpl;
+    }
+    qt_applefontsmoothing_enabled = false;
 }
 
 Q_GUI_EXPORT bool qt_mac_execute_apple_script(const char *script, long script_len, AEDesc *ret) {
@@ -772,11 +793,11 @@ static void qt_mac_update_intersected_gl_widgets(QWidget *widget)
             qt_post_window_change_event(glWidget);
             it->lastUpdateWidget = widget;
         } else if (it->lastUpdateWidget == widget) {
-            // Update the gl wigets that the widget intersected the last time around, 
-            // and that we are not intersecting now. This prevents paint errors when the 
+            // Update the gl wigets that the widget intersected the last time around,
+            // and that we are not intersecting now. This prevents paint errors when the
             // intersecting widget leaves a gl widget.
             qt_post_window_change_event(glWidget);
-            it->lastUpdateWidget = 0;            
+            it->lastUpdateWidget = 0;
         }
     }
 #else
@@ -808,8 +829,8 @@ Q_GUI_EXPORT void qt_event_request_window_change(QWidget *widget)
     // Post a kEventQtRequestWindowChange event. This event is semi-public,
     // don't remove this line!
     qt_event_request_window_change();
-    
-    // Post update request on gl widgets unconditionally. 
+
+    // Post update request on gl widgets unconditionally.
     if (qt_widget_private(widget)->isGLWidget == true) {
         qt_post_window_change_event(widget);
         return;
@@ -1214,8 +1235,6 @@ void qt_init(QApplicationPrivate *priv, int)
     if (QApplication::desktopSettingsAware())
         QApplicationPrivate::qt_mac_apply_settings();
 
-    qt_mac_read_fontsmoothing_settings();
-
     // Cocoa application delegate
 #ifdef QT_MAC_USE_COCOA
     NSApplication *cocoaApp = [NSApplication sharedApplication];
@@ -1253,6 +1272,7 @@ void qt_init(QApplicationPrivate *priv, int)
     }
    priv->native_modal_dialog_active = false;
 
+   qt_mac_read_fontsmoothing_settings();
 }
 
 void qt_release_apple_event_handler()
@@ -1705,7 +1725,7 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
             // kEventMouseWheelMoved events if we dont eat this event
             // (actually two events; one for horizontal and one for vertical).
             // As a results of this, and to make sure we dont't receive duplicate events,
-            // we try to detect when this happend by checking the 'compatibilityEvent'. 
+            // we try to detect when this happend by checking the 'compatibilityEvent'.
             SInt32 mdelt = 0;
             GetEventParameter(event, kEventParamMouseWheelSmoothHorizontalDelta, typeSInt32, 0,
                               sizeof(mdelt), 0, &mdelt);
@@ -2123,6 +2143,7 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
             }
 
             if (wheel_deltaX || wheel_deltaY) {
+#ifndef QT_NO_WHEELEVENT
                 if (wheel_deltaX) {
                     QWheelEvent qwe(plocal, p, wheel_deltaX, buttons, modifiers, Qt::Horizontal);
                     QApplication::sendSpontaneousEvent(widget, &qwe);
@@ -2145,6 +2166,7 @@ QApplicationPrivate::globalEventProcessor(EventHandlerCallRef er, EventRef event
                             handled_event = false;
                     }
                 }
+#endif // QT_NO_WHEELEVENT
             } else {
 #ifdef QMAC_SPEAK_TO_ME
                 const int speak_keys = Qt::AltModifier | Qt::ShiftModifier;
@@ -2576,7 +2598,7 @@ void QApplicationPrivate::closePopup(QWidget *popup)
     if (QApplicationPrivate::popupWidgets->isEmpty()) {  // this was the last popup
         delete QApplicationPrivate::popupWidgets;
         QApplicationPrivate::popupWidgets = 0;
-        
+
         // Special case for Tool windows: since they are activated and deactived together
         // with a normal window they never become the QApplicationPrivate::active_window.
         QWidget *appFocusWidget = QApplication::focusWidget();
@@ -2697,6 +2719,7 @@ int QApplication::keyboardInputInterval()
     return QApplicationPrivate::keyboard_input_time;
 }
 
+#ifndef QT_NO_WHEELEVENT
 void QApplication::setWheelScrollLines(int n)
 {
     QApplicationPrivate::wheel_scroll_lines = n;
@@ -2706,6 +2729,7 @@ int QApplication::wheelScrollLines()
 {
     return QApplicationPrivate::wheel_scroll_lines;
 }
+#endif
 
 void QApplication::setEffectEnabled(Qt::UIEffect effect, bool enable)
 {
@@ -2868,9 +2892,11 @@ bool QApplicationPrivate::qt_mac_apply_settings()
                             QApplication::cursorFlashTime()).toInt();
         QApplication::setCursorFlashTime(num);
 
+#ifndef QT_NO_WHEELEVENT
         num = settings.value(QLatin1String("wheelScrollLines"),
                             QApplication::wheelScrollLines()).toInt();
         QApplication::setWheelScrollLines(num);
+#endif
 
         QString colorspec = settings.value(QLatin1String("colorSpec"),
                                             QVariant(QLatin1String("default"))).toString();
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 9c001ab..b3ec732 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -427,7 +427,9 @@ public:
     static int  cursor_flash_time;
     static int  mouse_double_click_time;
     static int  keyboard_input_time;
+#ifndef QT_NO_WHEELEVENT
     static int  wheel_scroll_lines;
+#endif
 
     static bool animate_ui;
     static bool animate_menu;
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index d9cf45d..cc12a65 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -809,12 +809,15 @@ TCoeInputCapabilities QSymbianControl::InputCapabilities() const
 void QSymbianControl::Draw(const TRect& controlRect) const
 {
     // Set flag to avoid calling DrawNow in window surface
-    QWExtra *extra = qwidget->d_func()->extraData();
-    if (extra && !extra->inExpose) {
-        extra->inExpose = true;
+    QWidget *window = qwidget->window();
+    Q_ASSERT(window);
+    QTLWExtra *topExtra = window->d_func()->maybeTopData();
+    Q_ASSERT(topExtra);
+    if (!topExtra->inExpose) {
+        topExtra->inExpose = true;
         QRect exposeRect = qt_TRect2QRect(controlRect);
         qwidget->d_func()->syncBackingStore(exposeRect);
-        extra->inExpose = false;
+        topExtra->inExpose = false;
     }
 
     QWindowSurface *surface = qwidget->windowSurface();
@@ -924,8 +927,8 @@ 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 +963,14 @@ 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()) {
@@ -1649,6 +1651,9 @@ 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..0a4869b 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -928,7 +928,11 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     uint style;
     bool icon;
     QString cname;
-    if (flags & Qt::MSWindowsOwnDC) {
+    if (qt_widget_private(w)->isGLWidget) {
+        cname = QLatin1String("QGLWidget");
+        style = CS_DBLCLKS;
+        icon  = true;
+    } else if (flags & Qt::MSWindowsOwnDC) {
         cname = QLatin1String("QWidgetOwnDC");
         style = CS_DBLCLKS;
 #ifndef Q_WS_WINCE
@@ -1021,7 +1025,7 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     }
     wc.hCursor      = 0;
 #ifndef Q_WS_WINCE
-    wc.hbrBackground = (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
+    wc.hbrBackground = qt_widget_private(w)->isGLWidget ? 0 : (HBRUSH)GetSysColorBrush(COLOR_WINDOW);
 #else
     wc.hbrBackground = 0;
 #endif
@@ -3616,13 +3620,19 @@ bool QETWidget::translatePaintEvent(const MSG &msg)
         return true;
 
     setAttribute(Qt::WA_PendingUpdate, false);
-    const QRegion dirtyInBackingStore(qt_dirtyRegion(this));
-    // Make sure the invalidated region contains the region we're about to repaint.
-    // BeginPaint will set the clip to the invalidated region and it is impossible
-    // to enlarge it afterwards (only shrink it). Using GetDCEx is not suffient
-    // as it may return an invalid context (especially on Windows Vista).
-    if (!dirtyInBackingStore.isEmpty())
-        InvalidateRgn(internalWinId(), dirtyInBackingStore.handle(), false);
+
+    if (d_func()->isGLWidget) {
+        if (d_func()->usesDoubleBufferedGLContext)
+            InvalidateRect(internalWinId(), 0, false);
+    } else {
+        const QRegion dirtyInBackingStore(qt_dirtyRegion(this));
+        // Make sure the invalidated region contains the region we're about to repaint.
+        // BeginPaint will set the clip to the invalidated region and it is impossible
+        // to enlarge it afterwards (only shrink it). Using GetDCEx is not suffient
+        // as it may return an invalid context (especially on Windows Vista).
+        if (!dirtyInBackingStore.isEmpty())
+            InvalidateRgn(internalWinId(), dirtyInBackingStore.handle(), false);
+    }
     PAINTSTRUCT ps;
     d_func()->hd = BeginPaint(internalWinId(), &ps);
 
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 2a1f655..afd927b 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -944,10 +944,12 @@ bool QApplicationPrivate::x11_apply_settings()
                        QApplication::cursorFlashTime()).toInt();
     QApplication::setCursorFlashTime(num);
 
+#ifndef QT_NO_WHEELEVENT
     num =
         settings.value(QLatin1String("wheelScrollLines"),
                        QApplication::wheelScrollLines()).toInt();
     QApplication::setWheelScrollLines(num);
+#endif
 
     QString colorspec = settings.value(QLatin1String("colorSpec"),
                                        QVariant(QLatin1String("default"))).toString();
@@ -4401,8 +4403,10 @@ bool QETWidget::translateWheelEvent(int global_x, int global_y, int delta,
         QWidget* popup = qApp->activePopupWidget();
         if (popup && window() != popup)
             popup->close();
+#ifndef QT_NO_WHEELEVENT
         QWheelEvent e(pos, globalPos, delta, buttons, modifiers, orient);
         if (QApplication::sendSpontaneousEvent(widget, &e))
+#endif
             return true;
     }
 
@@ -4413,8 +4417,10 @@ bool QETWidget::translateWheelEvent(int global_x, int global_y, int delta,
         QWidget* popup = qApp->activePopupWidget();
         if (popup && widget != popup)
             popup->hide();
+#ifndef QT_NO_WHEELEVENT
         QWheelEvent e(pos, globalPos, delta, buttons, modifiers, orient);
         if (QApplication::sendSpontaneousEvent(widget, &e))
+#endif
             return true;
     }
     return false;
@@ -5313,6 +5319,7 @@ int QApplication::keyboardInputInterval()
     return QApplicationPrivate::keyboard_input_time;
 }
 
+#ifndef QT_NO_WHEELEVENT
 void QApplication::setWheelScrollLines(int n)
 {
     QApplicationPrivate::wheel_scroll_lines = n;
@@ -5322,6 +5329,7 @@ int QApplication::wheelScrollLines()
 {
     return QApplicationPrivate::wheel_scroll_lines;
 }
+#endif
 
 void QApplication::setEffectEnabled(Qt::UIEffect effect, bool enable)
 {
diff --git a/src/gui/kernel/qclipboard_mac.cpp b/src/gui/kernel/qclipboard_mac.cpp
index f3a971d..49a6cc8 100644
--- a/src/gui/kernel/qclipboard_mac.cpp
+++ b/src/gui/kernel/qclipboard_mac.cpp
@@ -388,6 +388,18 @@ QMacPasteboard::setMimeData(QMimeData *mime_src)
         clear_helper();
         QStringList formats = mime_src->formats();
 
+#ifdef QT_MAC_USE_COCOA
+        // QMimeData sub classes reimplementing the formats() might not expose the
+        // temporary "application/x-qt-mime-type-name" mimetype. So check the existence
+        // of this mime type while doing drag and drop.
+        QString dummyMimeType(QLatin1String("application/x-qt-mime-type-name"));
+        if (!formats.contains(dummyMimeType)) {
+            QByteArray dummyType = mime_src->data(dummyMimeType);
+            if (!dummyType.isEmpty()) {
+                formats.append(dummyMimeType);
+            }
+        }
+#endif
         for(int f = 0; f < formats.size(); ++f) {
             QString mimeType = formats.at(f);
             for (QList<QMacPasteboardMime *>::Iterator it = availableConverters.begin(); it != availableConverters.end(); ++it) {
diff --git a/src/gui/kernel/qclipboard_s60.cpp b/src/gui/kernel/qclipboard_s60.cpp
index 71c355b..f07e066 100644
--- a/src/gui/kernel/qclipboard_s60.cpp
+++ b/src/gui/kernel/qclipboard_s60.cpp
@@ -164,7 +164,8 @@ void readFromStreamLX(QMimeData* aData,RReadStream& aStream)
         TCardinality mimeTypeSize;
         aStream >> mimeTypeSize;
         HBufC* mimeTypeBuf = HBufC::NewLC(aStream,mimeTypeSize);
-        QString mimeType = QString::fromUtf16(mimeTypeBuf->Des().Ptr(),mimeTypeBuf->Length());
+        QString mimeType = QString(reinterpret_cast<const QChar *>(mimeTypeBuf->Des().Ptr()),
+                                   mimeTypeBuf->Length());
         CleanupStack::PopAndDestroy(mimeTypeBuf);
         // mime data
         TCardinality dataSize;
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index 9f90cec..18b3772 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -110,6 +110,12 @@ QT_USE_NAMESPACE
     }
 }
 
+- (void)removeActionsFromAppMenu
+{
+    for (NSMenuItem *item in [appMenu itemArray])
+        [item setTag:nil];
+}
+
 - (void)dealloc
 {
     [lastAppSpecificItem release];
diff --git a/src/gui/kernel/qcocoamenuloader_mac_p.h b/src/gui/kernel/qcocoamenuloader_mac_p.h
index 432a7a6..81c136e 100644
--- a/src/gui/kernel/qcocoamenuloader_mac_p.h
+++ b/src/gui/kernel/qcocoamenuloader_mac_p.h
@@ -70,6 +70,7 @@
 
 }
 - (void)ensureAppMenuInMenu:(NSMenu *)menu;
+- (void)removeActionsFromAppMenu;
 - (NSMenu *)applicationMenu;
 - (NSMenu *)menu;
 - (NSMenuItem *)quitMenuItem;
diff --git a/src/gui/kernel/qcocoapanel_mac.mm b/src/gui/kernel/qcocoapanel_mac.mm
index e535aac..5e24c84 100644
--- a/src/gui/kernel/qcocoapanel_mac.mm
+++ b/src/gui/kernel/qcocoapanel_mac.mm
@@ -46,6 +46,9 @@
 #import <private/qcocoawindowdelegate_mac_p.h>
 #import <private/qcocoaview_mac_p.h>
 #import <private/qcocoawindowcustomthemeframe_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 1a265d0..d2b74d7 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
@@ -185,3 +188,20 @@ QT_END_NAMESPACE
     return [super frameViewClassForStyleMask:styleMask];
 }
 
+- (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 f61d2fe..ad64a91 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -520,10 +520,11 @@ 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;
@@ -644,6 +645,8 @@ extern "C" {
 
 - (void)mouseEntered:(NSEvent *)event
 {
+    if (qwidgetprivate->data.in_destructor)
+        return;
     QEvent enterEvent(QEvent::Enter);
     NSPoint windowPoint = [event locationInWindow];
     NSPoint globalPoint = [[event window] convertBaseToScreen:windowPoint];
@@ -825,6 +828,7 @@ extern "C" {
         deltaZ = qBound(-120, int([theEvent deltaZ] * 10000), 120);
     }
 
+#ifndef QT_NO_WHEELEVENT
     if (deltaX != 0) {
         QWheelEvent qwe(qlocal, qglobal, deltaX, buttons, keyMods, Qt::Horizontal);
         qt_sendSpontaneousEvent(widgetToGetMouse, &qwe);
@@ -865,6 +869,8 @@ extern "C" {
             wheelOK = qwe2.isAccepted();
         }
     }
+#endif //QT_NO_WHEELEVENT
+
     if (!wheelOK) {
         return [super scrollWheel:theEvent];
     }
@@ -1401,7 +1407,7 @@ Qt::DropAction QDragManager::drag(QDrag *o)
 
     // setup the data
     QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacPasteboardMime::MIME_DND);
-    dragPrivate()->data->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray());
+    dragPrivate()->data->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray("dummy"));
     dragBoard.setMimeData(dragPrivate()->data);
 
     // create the image
diff --git a/src/gui/kernel/qcocoawindow_mac_p.h b/src/gui/kernel/qcocoawindow_mac_p.h
index c0d8252..0474882 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_x11.cpp b/src/gui/kernel/qdnd_x11.cpp
index edab6a0..33968bd 100644
--- a/src/gui/kernel/qdnd_x11.cpp
+++ b/src/gui/kernel/qdnd_x11.cpp
@@ -617,7 +617,7 @@ QVariant QX11Data::xdndMimeConvertToFormat(Atom a, const QByteArray &data, const
             // so it should be safe to check that the second char is 0
             // to verify that it is utf16
             if (data.size() > 1 && data.at(1) == 0)
-                return QString::fromUtf16(reinterpret_cast<const ushort *>(data.constData()),
+                return QString::fromRawData((const QChar *)data.constData(),
                                 data.size() / 2).split(QLatin1Char('\n')).first().toLatin1();
         }
     }
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index eda75db..c7c7caf 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -569,7 +569,7 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
             // in cocoa. [NSApp run] should be called at least once for any cocoa app.
             if (NSModalSession session = d->currentModalSession()) {
                 QBoolBlocker execGuard(d->currentExecIsNSAppRun, false);
-                while (!d->interrupt && [NSApp runModalSession:session] == NSRunContinuesResponse)
+                while ([NSApp runModalSession:session] == NSRunContinuesResponse && !d->interrupt)
                     qt_mac_waitForMoreModalSessionEvents();
                 if (!d->interrupt && session == d->currentModalSessionCached) {
                     // INVARIANT: Someone called e.g. [NSApp stopModal:] from outside the event
diff --git a/src/gui/kernel/qkeymapper_x11.cpp b/src/gui/kernel/qkeymapper_x11.cpp
index 70574e7..4e6c847 100644
--- a/src/gui/kernel/qkeymapper_x11.cpp
+++ b/src/gui/kernel/qkeymapper_x11.cpp
@@ -360,6 +360,13 @@ QList<int> QKeyMapperPrivate::possibleKeysXKB(QKeyEvent *event)
 
         if (code && code < 0xfffe)
             code = QChar(code).toUpper().unicode();
+
+        if (code == Qt::Key_Tab && (baseModifiers & Qt::ShiftModifier)) {
+            // map shift+tab to shift+backtab
+            code = Qt::Key_Backtab;
+            text = QString();
+        }
+
         if (code == baseCode)
             continue;
 
@@ -448,6 +455,13 @@ QList<int> QKeyMapperPrivate::possibleKeysCore(QKeyEvent *event)
 
         if (code && code < 0xfffe)
             code = QChar(code).toUpper().unicode();
+
+        if (code == Qt::Key_Tab && (baseModifiers & Qt::ShiftModifier)) {
+            // map shift+tab to shift+backtab
+            code = Qt::Key_Backtab;
+            text = QString();
+        }
+
         if (code == baseCode)
             continue;
 
diff --git a/src/gui/kernel/qmime_mac.cpp b/src/gui/kernel/qmime_mac.cpp
index 0431f2f..071f80d 100644
--- a/src/gui/kernel/qmime_mac.cpp
+++ b/src/gui/kernel/qmime_mac.cpp
@@ -431,8 +431,8 @@ QVariant QMacPasteboardMimeUnicodeText::convertToMime(const QString &mimetype, Q
                                              firstData.size(), CFStringGetSystemEncoding(), false));
         ret = QString(str);
     } else if (flavor == QLatin1String("public.utf16-plain-text")) {
-        ret = QString::fromUtf16(reinterpret_cast<const ushort *>(firstData.constData()),
-                                 firstData.size() / sizeof(ushort));
+        ret = QString(reinterpret_cast<const QChar *>(firstData.constData()),
+                      firstData.size() / sizeof(QChar));
     } else {
         qWarning("QMime::convertToMime: unhandled mimetype: %s", qPrintable(mimetype));
     }
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 354f90b..6d108b0 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -41,34 +41,18 @@
 
 #include "qapplication.h"
 #include "qevent.h"
-#ifdef Q_WS_S60
-#include "qstyle.h"
-#include "private/qt_s60_p.h"
-#endif
+#include "qbitmap.h"
 #include "private/qsoftkeymanager_p.h"
 #include "private/qobject_p.h"
-
-#ifndef QT_NO_SOFTKEYMANAGER
-QT_BEGIN_NAMESPACE
+#include "private/qsoftkeymanager_common_p.h"
 
 #ifdef Q_WS_S60
-static const int s60CommandStart = 6000;
+#include "private/qsoftkeymanager_s60_p.h"
 #endif
 
-class QSoftKeyManagerPrivate : public QObjectPrivate
-{
-    Q_DECLARE_PUBLIC(QSoftKeyManager)
-
-public:
-    static void updateSoftKeys_sys(const QList<QAction*> &softKeys);
-
-private:
-    QHash<QAction*, Qt::Key> keyedActions;
-    static QSoftKeyManager *self;
-    static QWidget *softKeySource;
-};
+#ifndef QT_NO_SOFTKEYMANAGER
+QT_BEGIN_NAMESPACE
 
-QWidget *QSoftKeyManagerPrivate::softKeySource = 0;
 QSoftKeyManager *QSoftKeyManagerPrivate::self = 0;
 
 const char *QSoftKeyManager::standardSoftKeyText(StandardSoftKey standardKey)
@@ -105,7 +89,12 @@ QSoftKeyManager *QSoftKeyManager::instance()
     return QSoftKeyManagerPrivate::self;
 }
 
-QSoftKeyManager::QSoftKeyManager() : QObject(*(new QSoftKeyManagerPrivate), 0)
+QSoftKeyManager::QSoftKeyManager() :
+#ifdef Q_WS_S60
+    QObject(*(new QSoftKeyManagerPrivateS60), 0)
+#else
+    QObject(*(new QSoftKeyManagerPrivate), 0)
+#endif
 {
 }
 
@@ -115,10 +104,11 @@ QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *act
     QAction *action = new QAction(QSoftKeyManager::tr(text), actionWidget);
     QAction::SoftKeyRole softKeyRole = QAction::NoSoftKey;
     switch (standardKey) {
+    case MenuSoftKey: // FALL-THROUGH
+        action->setProperty(MENU_ACTION_PROPERTY, QVariant(true)); // TODO: can be refactored away to use _q_action_menubar
     case OkSoftKey:
     case SelectSoftKey:
     case DoneSoftKey:
-    case MenuSoftKey:
         softKeyRole = QAction::PositiveSoftKey;
         break;
     case CancelSoftKey:
@@ -147,7 +137,7 @@ QAction *QSoftKeyManager::createKeyedAction(StandardSoftKey standardKey, Qt::Key
 #endif //QT_NO_ACTION
 }
 
-void QSoftKeyManager::cleanupHash(QObject* obj)
+void QSoftKeyManager::cleanupHash(QObject *obj)
 {
     Q_D(QSoftKeyManager);
     QAction *action = qobject_cast<QAction*>(obj);
@@ -175,137 +165,78 @@ void QSoftKeyManager::updateSoftKeys()
     QApplication::postEvent(QSoftKeyManager::instance(), event);
 }
 
-bool QSoftKeyManager::event(QEvent *e)
+bool QSoftKeyManager::appendSoftkeys(const QWidget &source, int level)
 {
-#ifndef QT_NO_ACTION
-    if (e->type() == QEvent::UpdateSoftKeys) {
-        QList<QAction*> softKeys;
-        QWidget *source = QApplication::focusWidget();
-        do {
-            if (source) {
-                QList<QAction*> actions = source->actions();
-                for (int i = 0; i < actions.count(); ++i) {
-                    if (actions.at(i)->softKeyRole() != QAction::NoSoftKey)
-                        softKeys.append(actions.at(i));
-                }
-
-                QWidget *parent = source->parentWidget();
-                if (parent && softKeys.isEmpty() && !source->isWindow())
-                    source = parent;
-                else
-                    break;
-            } else {
-                source = QApplication::activeWindow();
-            }
-        } while (source);
-
-        QSoftKeyManagerPrivate::softKeySource = source;
-        QSoftKeyManagerPrivate::updateSoftKeys_sys(softKeys);
-        return true;
+    Q_D(QSoftKeyManager);
+    bool ret = false;
+    QList<QAction*> actions = source.actions();
+    for (int i = 0; i < actions.count(); ++i) {
+        if (actions.at(i)->softKeyRole() != QAction::NoSoftKey) {
+            d->requestedSoftKeyActions.insert(level, actions.at(i));
+            ret = true;
+        }
     }
-#endif //QT_NO_ACTION
-    return false;
+    return ret;
 }
 
-#ifdef Q_WS_S60
-void QSoftKeyManagerPrivate::updateSoftKeys_sys(const QList<QAction*> &softkeys)
+QWidget *QSoftKeyManager::softkeySource(QWidget *previousSource, bool& recursiveMerging)
 {
-    // lets not update softkeys if s60 native dialog or menu is shown
-    if (QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes)
-            || CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog())
-        return;
-
-    CEikButtonGroupContainer* nativeContainer = S60->buttonGroupContainer();
-    nativeContainer->DrawableWindow()->SetOrdinalPosition(0);
-    nativeContainer->DrawableWindow()->SetPointerCapturePriority(1); //keep softkeys available in modal dialog
-    nativeContainer->DrawableWindow()->SetFaded(EFalse, RWindowTreeNode::EFadeIncludeChildren);
-
-    int position = -1;
-    bool needsExitButton = true;
-    QT_TRAP_THROWING(
-        //Using -1 instead of EAknSoftkeyEmpty to avoid flickering.
-        nativeContainer->SetCommandL(0, -1, KNullDesC);
-        nativeContainer->SetCommandL(2, -1, KNullDesC);
-    );
-
-    for (int index = 0; index < softkeys.count(); index++) {
-        const QAction* softKeyAction = softkeys.at(index);
-        switch (softKeyAction->softKeyRole()) {
-        // Positive Actions on the LSK
-        case QAction::PositiveSoftKey:
-            position = 0;
-            break;
-        case QAction::SelectSoftKey:
-            position = 0;
-            break;
-        // Negative Actions on the RSK
-        case QAction::NegativeSoftKey:
-            needsExitButton = false;
-            position = 2;
-            break;
-        default:
-            break;
-        }
-
-        int command = (softKeyAction->objectName().contains(QLatin1String("_q_menuSoftKeyAction")))
-                    ? EAknSoftkeyOptions
-                    : s60CommandStart + index;
-
-        // _q_menuSoftKeyAction action is set to "invisible" and all invisible actions are by default
-        // disabled. However we never want to dim options softkey, even it is set to "invisible"
-        bool dimmed = (command == EAknSoftkeyOptions) ? false : !softKeyAction->isEnabled();
-
-        if (position != -1) {
-            const int underlineShortCut = QApplication::style()->styleHint(QStyle::SH_UnderlineShortcut);
-            QString iconText = softKeyAction->iconText();
-            TPtrC text = qt_QString2TPtrC( underlineShortCut ? softKeyAction->text() : iconText);
-            QT_TRAP_THROWING(
-                nativeContainer->SetCommandL(position, command, text);
-                nativeContainer->DimCommand(command, dimmed);
-            );
-        }
+    Q_D(QSoftKeyManager);
+    QWidget *source = NULL;
+    if (!previousSource) {
+        // Initial source is primarily focuswidget and secondarily activeWindow
+        source = QApplication::focusWidget();
+        if (!source)
+            source = QApplication::activeWindow();
+    } else {
+        // Softkey merging is based on four criterias
+        // 1. Implicit merging is used whenever focus widget does not specify any softkeys
+        bool implicitMerging = d->requestedSoftKeyActions.isEmpty();
+        // 2. Explicit merging with parent is used whenever WA_MergeSoftkeys widget attribute is set
+        bool explicitMerging = previousSource->testAttribute(Qt::WA_MergeSoftkeys);
+        // 3. Explicit merging with all parents
+        recursiveMerging |= previousSource->testAttribute(Qt::WA_MergeSoftkeysRecursively);
+        // 4. Implicit and explicit merging always stops at window boundary
+        bool merging = (implicitMerging || explicitMerging || recursiveMerging) && !previousSource->isWindow();
+
+        source = merging ? previousSource->parentWidget() : NULL;
     }
-
-    const Qt::WindowType sourceWindowType = QSoftKeyManagerPrivate::softKeySource
-        ?   QSoftKeyManagerPrivate::softKeySource->window()->windowType()
-        :   Qt::Widget;
-
-    if (needsExitButton && sourceWindowType != Qt::Dialog && sourceWindowType != Qt::Popup)
-        QT_TRAP_THROWING(
-            nativeContainer->SetCommandL(2, EAknSoftkeyExit, qt_QString2TPtrC(QSoftKeyManager::tr("Exit"))));
-
-    nativeContainer->DrawDeferred(); // 3.1 needs an extra invitation
+    return source;
 }
 
-bool QSoftKeyManager::handleCommand(int command)
+bool QSoftKeyManager::handleUpdateSoftKeys()
 {
-    if (command >= s60CommandStart && QSoftKeyManagerPrivate::softKeySource) {
-        int index = command - s60CommandStart;
-        const QList<QAction*>& softKeys = QSoftKeyManagerPrivate::softKeySource->actions();
-        for (int i = 0, j = 0; i < softKeys.count(); ++i) {
-            QAction *action = softKeys.at(i);
-            if (action->softKeyRole() != QAction::NoSoftKey) {
-                if (j == index) {
-                    QWidget *parent = action->parentWidget();
-                    if (parent && parent->isEnabled()) {
-                        action->activate(QAction::Trigger);
-                        return true;
-                    }
-                }
-                j++;
-            }
+    Q_D(QSoftKeyManager);
+    int level = 0;
+    d->requestedSoftKeyActions.clear();
+    bool recursiveMerging = false;
+    QWidget *source = softkeySource(NULL, recursiveMerging);
+    do {
+        if (source) {
+            bool added = appendSoftkeys(*source, level);
+            source = softkeySource(source, recursiveMerging);
+            level = added ? ++level : level;
         }
-    }
+    } while (source);
 
-    return false;
+    d->updateSoftKeys_sys();
+    return true;
 }
 
-#else
-
-void QSoftKeyManagerPrivate::updateSoftKeys_sys(const QList<QAction*> &)
+bool QSoftKeyManager::event(QEvent *e)
 {
+#ifndef QT_NO_ACTION
+    if (e->type() == QEvent::UpdateSoftKeys)
+        return handleUpdateSoftKeys();
+#endif //QT_NO_ACTION
+    return false;
 }
 
+#ifdef Q_WS_S60
+bool QSoftKeyManager::handleCommand(int command)
+{
+    return static_cast<QSoftKeyManagerPrivateS60*>(QSoftKeyManager::instance()->d_func())->handleCommand(command);
+}
 #endif
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qsoftkeymanager_common_p.h b/src/gui/kernel/qsoftkeymanager_common_p.h
new file mode 100644
index 0000000..460d0dc
--- /dev/null
+++ b/src/gui/kernel/qsoftkeymanager_common_p.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOFTKEYMANAGER_COMMON_P_H
+#define QSOFTKEYMANAGER_COMMON_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_HEADER
+
+#ifndef QT_NO_SOFTKEYMANAGER
+
+QT_BEGIN_NAMESPACE
+
+class QSoftKeyManagerPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QSoftKeyManager)
+
+public:
+    virtual void updateSoftKeys_sys() {};
+
+protected:
+    static QSoftKeyManager *self;
+    QHash<QAction*, Qt::Key> keyedActions;
+    QMultiHash<int, QAction*> requestedSoftKeyActions;
+
+};
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_SOFTKEYMANAGER
+
+QT_END_HEADER
+
+#endif // QSOFTKEYMANAGER_COMMON_P_H
\ No newline at end of file
diff --git a/src/gui/kernel/qsoftkeymanager_p.h b/src/gui/kernel/qsoftkeymanager_p.h
index c901a29..ce902fe 100644
--- a/src/gui/kernel/qsoftkeymanager_p.h
+++ b/src/gui/kernel/qsoftkeymanager_p.h
@@ -63,6 +63,8 @@ QT_BEGIN_NAMESPACE
 
 class QSoftKeyManagerPrivate;
 
+const char MENU_ACTION_PROPERTY[] = "_q_menuaction";
+
 class Q_AUTOTEST_EXPORT QSoftKeyManager : public QObject
 {
     Q_OBJECT
@@ -79,26 +81,30 @@ public:
     };
 
     static void updateSoftKeys();
-    static QAction *createAction(StandardSoftKey standardKey, QWidget *actionWidget);
-    static QAction *createKeyedAction(StandardSoftKey standardKey, Qt::Key key, QWidget *actionWidget);
-
 #ifdef Q_WS_S60
     static bool handleCommand(int);
 #endif
 
-private:
-    QSoftKeyManager();
-    static QSoftKeyManager *instance();
-    static const char *standardSoftKeyText(StandardSoftKey standardKey);
+    static QAction *createAction(StandardSoftKey standardKey, QWidget *actionWidget);
+    static QAction *createKeyedAction(StandardSoftKey standardKey, Qt::Key key, QWidget *actionWidget);
 
 protected:
     bool event(QEvent *e);
 
-    Q_DISABLE_COPY(QSoftKeyManager)
+private:
+    QSoftKeyManager();
+    static QSoftKeyManager *instance();
+    static const char *standardSoftKeyText(StandardSoftKey standardKey);
+    bool appendSoftkeys(const QWidget &source, int level);
+    QWidget *softkeySource(QWidget *previousSource, bool& recursiveMerging);
+    bool handleUpdateSoftKeys();
 
 private Q_SLOTS:
     void cleanupHash(QObject* obj);
     void sendKeyEvent();
+
+private:
+    Q_DISABLE_COPY(QSoftKeyManager)
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qsoftkeymanager_s60.cpp b/src/gui/kernel/qsoftkeymanager_s60.cpp
new file mode 100644
index 0000000..af84a8f
--- /dev/null
+++ b/src/gui/kernel/qsoftkeymanager_s60.cpp
@@ -0,0 +1,404 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qapplication.h"
+#include "qevent.h"
+#include "qbitmap.h"
+#include "qstyle.h"
+#include "qmenubar.h"
+#include "private/qt_s60_p.h"
+#include "private/qmenu_p.h"
+#include "private/qsoftkeymanager_p.h"
+#include "private/qsoftkeymanager_s60_p.h"
+#include "private/qobject_p.h"
+#include <eiksoftkeyimage.h>
+#include <eikcmbut.h>
+
+#ifndef QT_NO_SOFTKEYMANAGER
+QT_BEGIN_NAMESPACE
+
+const int S60_COMMAND_START = 6000;
+const int LSK_POSITION = 0;
+const int MSK_POSITION = 3;
+const int RSK_POSITION = 2;
+
+QSoftKeyManagerPrivateS60::QSoftKeyManagerPrivateS60()
+{
+    cachedCbaIconSize[0] = QSize(0,0);
+    cachedCbaIconSize[1] = QSize(0,0);
+    cachedCbaIconSize[2] = QSize(0,0);
+    cachedCbaIconSize[3] = QSize(0,0);
+    skipNextUpdate = false;
+}
+
+bool QSoftKeyManagerPrivateS60::skipCbaUpdate()
+{
+    // lets not update softkeys if
+    // 1. We don't have application panes, i.e. cba
+    // 2. S60 native dialog or menu is shown
+    if (QApplication::testAttribute(Qt::AA_S60DontConstructApplicationPanes) ||
+        CCoeEnv::Static()->AppUi()->IsDisplayingMenuOrDialog() || skipNextUpdate) {
+        skipNextUpdate = false;
+        return true;
+    }
+    return false;
+}
+
+void QSoftKeyManagerPrivateS60::ensureCbaVisibilityAndResponsiviness(CEikButtonGroupContainer &cba)
+{
+    RDrawableWindow *cbaWindow = cba.DrawableWindow();
+    Q_ASSERT_X(cbaWindow, Q_FUNC_INFO, "Native CBA does not have window!");
+    // Make sure CBA is visible, i.e. CBA window is on top
+    cbaWindow->SetOrdinalPosition(0);
+    // Qt shares same CBA instance between top-level widgets,
+    // make sure we are not faded by underlying window.
+    cbaWindow->SetFaded(EFalse, RWindowTreeNode::EFadeIncludeChildren);
+    // Modal dialogs capture pointer events, but shared cba instance
+    // shall stay responsive. Raise pointer capture priority to keep
+    // softkeys responsive in modal dialogs
+    cbaWindow->SetPointerCapturePriority(1);
+}
+
+void QSoftKeyManagerPrivateS60::clearSoftkeys(CEikButtonGroupContainer &cba)
+{
+    QT_TRAP_THROWING(
+        //Using -1 instead of EAknSoftkeyEmpty to avoid flickering.
+        cba.SetCommandL(0, -1, KNullDesC);
+        // TODO: Should we clear also middle SK?
+        cba.SetCommandL(2, -1, KNullDesC);
+    );
+    realSoftKeyActions.clear();
+}
+
+QString QSoftKeyManagerPrivateS60::softkeyText(QAction &softkeyAction)
+{
+    // In S60 softkeys and menu items do not support key accelerators (i.e.
+    // CTRL+X). Therefore, removing the accelerator characters from both softkey
+    // and menu item texts.
+    const int underlineShortCut = QApplication::style()->styleHint(QStyle::SH_UnderlineShortcut);
+    QString iconText = softkeyAction.iconText();
+    return underlineShortCut ? softkeyAction.text() : iconText;
+}
+
+QAction *QSoftKeyManagerPrivateS60::highestPrioritySoftkey(QAction::SoftKeyRole role)
+{
+    QAction *ret = NULL;
+    // Priority look up is two level
+    // 1. First widget with softkeys always has highest priority
+    for (int level = 0; !ret; level++) {
+        // 2. Highest priority action within widget
+        QList<QAction*> actions = requestedSoftKeyActions.values(level);
+        if (actions.isEmpty())
+            break;
+        qSort(actions.begin(), actions.end(), QSoftKeyManagerPrivateS60::actionPriorityMoreThan);
+        foreach (QAction *action, actions) {
+            if (action->softKeyRole() == role) {
+                ret = action;
+                break;
+            }
+        }
+    }
+    return ret;
+}
+
+bool QSoftKeyManagerPrivateS60::actionPriorityMoreThan(const QAction *firstItem, const QAction *secondItem)
+{
+    return firstItem->priority() > secondItem->priority();
+}
+
+void QSoftKeyManagerPrivateS60::setNativeSoftkey(CEikButtonGroupContainer &cba,
+                                              TInt position, TInt command, const TDesC &text)
+{
+    // Calling SetCommandL causes CBA redraw
+    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
+    // get current orientation. This workaround works with currently supported resolutions
+    return  S60->screenHeightInPixels <  S60->screenWidthInPixels;
+}
+
+QSize QSoftKeyManagerPrivateS60::cbaIconSize(CEikButtonGroupContainer *cba, int position)
+{
+
+    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
+        // 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);
+        if(position == LSK_POSITION || position == RSK_POSITION) {
+            CEikImage* tmpImage = NULL;
+            QT_TRAP_THROWING(tmpImage = new (ELeave) CEikImage);
+            EikSoftkeyImage::SetImage(cba, *tmpImage, left); // Takes myimage ownership
+            int command = S60_COMMAND_START + position;
+            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];
+}
+
+bool QSoftKeyManagerPrivateS60::setSoftkeyImage(CEikButtonGroupContainer *cba,
+                                            QAction &action, int position)
+{
+    bool ret = false;
+
+    const bool left = (position == LSK_POSITION);
+    if(position == LSK_POSITION || position == RSK_POSITION) {
+        QIcon icon = action.icon();
+        if (!icon.isNull()) {
+            // 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 = softkeyPixmap.toSymbianCFbsBitmap();
+            CFbsBitmap* nMask = softkeyAlpha.toSymbianCFbsBitmap();
+
+            CEikImage* myimage = new (ELeave) CEikImage;
+            myimage->SetPicture( nBitmap, nMask ); // nBitmap and nMask ownership transfered
+
+            EikSoftkeyImage::SetImage(cba, *myimage, left); // Takes myimage ownership
+            ret = true;
+        } else {
+            // Restore softkey to text based
+            EikSoftkeyImage::SetLabel(cba, left);
+        }
+    }
+    return ret;
+}
+
+bool QSoftKeyManagerPrivateS60::setSoftkey(CEikButtonGroupContainer &cba,
+                                        QAction::SoftKeyRole role, int position)
+{
+    QAction *action = highestPrioritySoftkey(role);
+    if (action) {
+        setSoftkeyImage(&cba, *action, position);
+        QString text = softkeyText(*action);
+        TPtrC nativeText = qt_QString2TPtrC(text);
+        int command = S60_COMMAND_START + position;
+        setNativeSoftkey(cba, position, command, nativeText);
+        cba.DimCommand(command, !action->isEnabled());
+        realSoftKeyActions.insert(command, action);
+        return true;
+    }
+    return false;
+}
+
+bool QSoftKeyManagerPrivateS60::setLeftSoftkey(CEikButtonGroupContainer &cba)
+{
+    return setSoftkey(cba, QAction::PositiveSoftKey, LSK_POSITION);
+}
+
+bool QSoftKeyManagerPrivateS60::setMiddleSoftkey(CEikButtonGroupContainer &cba)
+{
+    // Note: In order to get MSK working, application has to have EAknEnableMSK flag set
+    // Currently it is not possible very easily)
+    // For more information see: http://wiki.forum.nokia.com/index.php/Middle_softkey_usage
+    return setSoftkey(cba, QAction::SelectSoftKey, MSK_POSITION);
+}
+
+bool QSoftKeyManagerPrivateS60::setRightSoftkey(CEikButtonGroupContainer &cba)
+{
+    if (!setSoftkey(cba, QAction::NegativeSoftKey, RSK_POSITION)) {
+        Qt::WindowType windowType = Qt::Window;
+        QAction *action = requestedSoftKeyActions.value(0);
+        if (action) {
+            QWidget *actionParent = action->parentWidget();
+            Q_ASSERT_X(actionParent, Q_FUNC_INFO, "No parent set for softkey action!");
+
+            QWidget *actionWindow = actionParent->window();
+            Q_ASSERT_X(actionWindow, Q_FUNC_INFO, "Softkey action does not have window!");
+            windowType = actionWindow->windowType();
+        }
+
+        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;
+        }
+    }
+    return false;
+}
+
+void QSoftKeyManagerPrivateS60::setSoftkeys(CEikButtonGroupContainer &cba)
+{
+    int requestedSoftkeyCount = requestedSoftKeyActions.count();
+    const int maxSoftkeyCount = 2; // TODO: differs based on orientation ans S60 versions (some have MSK)
+    if (requestedSoftkeyCount > maxSoftkeyCount) {
+        // We have more softkeys than available slots
+        // Put highest priority negative action to RSK and Options menu with rest of softkey actions to LSK
+        // TODO: Build menu
+        setLeftSoftkey(cba);
+        if(AknLayoutUtils::MSKEnabled())
+            setMiddleSoftkey(cba);
+        setRightSoftkey(cba);
+    } else {
+        // We have less softkeys than available slots
+        // Put softkeys to request slots based on role
+        setLeftSoftkey(cba);
+        if(AknLayoutUtils::MSKEnabled())
+            setMiddleSoftkey(cba);
+        setRightSoftkey(cba);
+    }
+}
+
+void QSoftKeyManagerPrivateS60::updateSoftKeys_sys()
+{
+    if (skipCbaUpdate())
+        return;
+
+    CEikButtonGroupContainer *nativeContainer = S60->buttonGroupContainer();
+    Q_ASSERT_X(nativeContainer, Q_FUNC_INFO, "Native CBA does not exist!");
+    ensureCbaVisibilityAndResponsiviness(*nativeContainer);
+    clearSoftkeys(*nativeContainer);
+    setSoftkeys(*nativeContainer);
+
+    nativeContainer->DrawDeferred(); // 3.1 needs an extra invitation
+}
+
+bool QSoftKeyManagerPrivateS60::handleCommand(int command)
+{
+    QAction *action = realSoftKeyActions.value(command);
+    if (action) {
+        QVariant property = action->property(MENU_ACTION_PROPERTY);
+        if (property.isValid() && property.toBool()) {
+            QT_TRAP_THROWING(S60->menuBar()->TryDisplayMenuBarL());
+        } else if (action->menu()) {
+            // TODO: This is hack, in order to use exising QMenuBar implementation for Symbian
+            // menubar needs to have widget to which it is associated. Since we want to associate
+            // menubar to action (which is inherited from QObejct), we create and associate QWidget
+            // to action and pass that for QMenuBar. This associates the menubar to action, and we
+            // can have own menubar for each action.
+            QWidget *actionContainer = action->property("_q_action_widget").value<QWidget*>();
+            if(!actionContainer) {
+                actionContainer = new QWidget(action->parentWidget());
+                QMenuBar *menuBar = new QMenuBar(actionContainer);
+                foreach(QAction *menuAction, action->menu()->actions()) {
+                    QMenu *menu = menuAction->menu();
+                    if(menu)
+                        menuBar->addMenu(action->menu());
+                    else
+                        menuBar->addAction(menuAction);
+                }
+                QVariant v;
+                v.setValue(actionContainer);
+                action->setProperty("_q_action_widget", v);
+            }
+            qt_symbian_next_menu_from_action(actionContainer);
+            QT_TRAP_THROWING(S60->menuBar()->TryDisplayMenuBarL());
+            // TODO: hack remove, it can happen that IsDisplayingMenuOrDialog return false
+            // in updateSoftKeys_sys, and we will override menu CBA with our own
+            skipNextUpdate = true;
+        } else {
+            Q_ASSERT(action->softKeyRole() != QAction::NoSoftKey);
+            QWidget *actionParent = action->parentWidget();
+            Q_ASSERT_X(actionParent, Q_FUNC_INFO, "No parent set for softkey action!");
+            if (actionParent->isEnabled()) {
+                action->activate(QAction::Trigger);
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+QT_END_NAMESPACE
+#endif //QT_NO_SOFTKEYMANAGER
diff --git a/src/gui/kernel/qsoftkeymanager_s60_p.h b/src/gui/kernel/qsoftkeymanager_s60_p.h
new file mode 100644
index 0000000..f8bd6d9
--- /dev/null
+++ b/src/gui/kernel/qsoftkeymanager_s60_p.h
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOFTKEYMANAGER_S60_P_H
+#define QSOFTKEYMANAGER_S60_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qobject_p.h"
+#include "private/qsoftkeymanager_common_p.h"
+
+QT_BEGIN_HEADER
+
+#ifndef QT_NO_SOFTKEYMANAGER
+
+QT_BEGIN_NAMESPACE
+
+class CEikButtonGroupContainer;
+class QAction;
+
+class QSoftKeyManagerPrivateS60 : public QSoftKeyManagerPrivate
+{
+    Q_DECLARE_PUBLIC(QSoftKeyManager)
+
+public:
+    QSoftKeyManagerPrivateS60();
+
+public:
+    void updateSoftKeys_sys();
+    bool handleCommand(int command);
+
+private:
+    bool skipCbaUpdate();
+    void ensureCbaVisibilityAndResponsiviness(CEikButtonGroupContainer &cba);
+    void clearSoftkeys(CEikButtonGroupContainer &cba);
+    QString softkeyText(QAction &softkeyAction);
+    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);
+    bool setSoftkey(CEikButtonGroupContainer &cba, QAction::SoftKeyRole role, int position);
+    bool setLeftSoftkey(CEikButtonGroupContainer &cba);
+    bool setMiddleSoftkey(CEikButtonGroupContainer &cba);
+    bool setRightSoftkey(CEikButtonGroupContainer &cba);
+    void setSoftkeys(CEikButtonGroupContainer &cba);
+
+private:
+    QHash<int, QAction*> realSoftKeyActions;
+    QSize cachedCbaIconSize[4];
+    bool skipNextUpdate;
+};
+
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_SOFTKEYMANAGER
+
+QT_END_HEADER
+
+#endif // QSOFTKEYMANAGER_S60_P_H
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index e36ab9b..65c04e5 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -143,6 +143,9 @@ extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
 
 void macWindowFade(void * /*OSWindowRef*/ window, float durationSeconds)
 {
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+#endif
     OSWindowRef wnd = static_cast<OSWindowRef>(window);
     if (wnd) {
         QWidget *widget;
@@ -1159,7 +1162,7 @@ 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;
 }
@@ -1278,4 +1281,17 @@ void qt_cocoaChangeOverrideCursor(const QCursor &cursor)
 }
 #endif
 
+QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
+{
+#ifndef QT_MAC_USE_COCOA
+    NSApplicationLoad();
+#endif
+    pool = (void*)[[NSAutoreleasePool alloc] init];
+}
+
+QMacCocoaAutoReleasePool::~QMacCocoaAutoReleasePool()
+{
+    [(NSAutoreleasePool*)pool release];
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 1163055..735ca7a 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -128,6 +128,7 @@ public:
     static inline RWindowGroup& windowGroup();
     static inline CWsScreenDevice* screenDevice();
     static inline CCoeAppUi* appUi();
+    static inline CEikMenuBar* menuBar();
 #ifdef Q_WS_S60
     static inline CEikStatusPane* statusPane();
     static inline CCoeControl* statusPaneSubPane(TInt aPaneId);
@@ -270,6 +271,11 @@ inline CCoeAppUi* QS60Data::appUi()
     return CCoeEnv::Static()-> AppUi();
 }
 
+inline CEikMenuBar* QS60Data::menuBar()
+{
+    return CEikonEnv::Static()->AppUiFactory()->MenuBar();
+}
+
 #ifdef Q_WS_S60
 inline CEikStatusPane* QS60Data::statusPane()
 {
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index ede87de..2a19d23 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -192,6 +192,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , inDirtyList(0)
       , isScrolled(0)
       , isMoved(0)
+      , isGLWidget(0)
       , usesDoubleBufferedGLContext(0)
 #if defined(Q_WS_X11)
       , picture(0)
@@ -200,7 +201,6 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , nativeGesturePanEnabled(0)
 #elif defined(Q_WS_MAC)
       , needWindowChange(0)
-      , isGLWidget(0)
       , window_event(0)
       , qd_hd(0)
 #endif
@@ -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)
@@ -3352,7 +3377,7 @@ QPoint QWidget::pos() const
     \note Setting the size to \c{QSize(0, 0)} will cause the widget to not
     appear on screen. This also applies to windows.
 
-    \sa pos, geometry, minimumSize, maximumSize, resizeEvent()
+    \sa pos, geometry, minimumSize, maximumSize, resizeEvent(), adjustSize()
 */
 
 /*!
@@ -6414,6 +6439,8 @@ 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 3dbc843..9e7517f 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -404,7 +404,7 @@ inline static void qt_mac_set_fullscreen_mode(bool b)
         return;
     qt_mac_app_fullscreen = b;
     if (b) {
-        SetSystemUIMode(kUIModeAllSuppressed, 0);
+        SetSystemUIMode(kUIModeAllHidden, kUIOptionAutoShowMenuBar);
     } else {
         SetSystemUIMode(kUIModeNormal, 0);
     }
@@ -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)
@@ -3510,6 +3529,8 @@ void QWidgetPrivate::hide_sys()
 
     if (!QWidget::mouseGrabber()){
         QWidget *enterWidget = QApplication::widgetAt(QCursor::pos());
+        if (enterWidget && enterWidget->data->in_destructor)
+            enterWidget = 0;
         QApplicationPrivate::dispatchEnterLeave(enterWidget, qt_mouseover);
         qt_mouseover = enterWidget;
     }
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index b1eb3c3..b421d30 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -173,6 +173,8 @@ struct QTLWExtra {
 #ifndef QT_NO_QWS_MANAGER
     QWSManager *qwsManager;
 #endif
+#elif defined(Q_OS_SYMBIAN)
+    uint inExpose : 1; // Prevents drawing recursion
 #endif
 };
 
@@ -229,7 +231,6 @@ struct QWExtra {
 #endif
 #elif defined(Q_OS_SYMBIAN) // <----------------------------------------------------- Symbian
     uint activated : 1; // RWindowBase::Activated has been called
-    uint inExpose : 1; // Prevents drawing recursion
 
     /**
      * Defines the behaviour of QSymbianControl::Draw.
@@ -682,6 +683,7 @@ public:
     uint inDirtyList : 1;
     uint isScrolled : 1;
     uint isMoved : 1;
+    uint isGLWidget : 1;
     uint usesDoubleBufferedGLContext : 1;
 
     // *************************** Platform specific ************************************
@@ -713,7 +715,6 @@ public:
 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
     // This is new stuff
     uint needWindowChange : 1;
-    uint isGLWidget : 1;
 
     // Each wiget keeps a list of all its child and grandchild OpenGL widgets.
     // This list is used to update the gl context whenever a parent and a granparent
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 00f2213..ebd289c 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -878,6 +878,7 @@ void QWidgetPrivate::registerDropSite(bool /* on */)
 void QWidgetPrivate::createTLSysExtra()
 {
     extra->topextra->backingStore = 0;
+    extra->topextra->inExpose = 0;
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
@@ -891,7 +892,6 @@ void QWidgetPrivate::createSysExtra()
     extra->activated = 0;
     extra->nativePaintMode = QWExtra::Default;
     extra->receiveNativePaintEvents = 0;
-    extra->inExpose = 0;
 }
 
 void QWidgetPrivate::deleteSysExtra()
@@ -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/qcolor.cpp b/src/gui/painting/qcolor.cpp
index f51dc36..d6d288e 100644
--- a/src/gui/painting/qcolor.cpp
+++ b/src/gui/painting/qcolor.cpp
@@ -934,8 +934,7 @@ void QColor::setRgb(int r, int g, int b, int a)
 /*!
     \fn QRgb QColor::rgba() const
 
-    Returns the RGB value of the color. Unlike rgb(), the alpha is not
-    stripped.
+    Returns the RGB value of the color, including its alpha.
 
     For an invalid color, the alpha value of the returned color is unspecified.
 
@@ -950,8 +949,7 @@ QRgb QColor::rgba() const
 }
 
 /*!
-    Sets the RGBA value to \a rgba. Unlike setRgb(QRgb rgb), this function does
-    not ignore the alpha.
+    Sets the RGB value to \a rgba, including its alpha.
 
     \sa rgba(), rgb()
 */
@@ -968,8 +966,7 @@ void QColor::setRgba(QRgb rgba)
 /*!
     \fn QRgb QColor::rgb() const
 
-    Returns the RGB value of the color. The alpha is stripped for
-    compatibility.
+    Returns the RGB value of the color. The alpha value is opaque.
 
     \sa getRgb(), rgba()
 */
@@ -983,7 +980,7 @@ QRgb QColor::rgb() const
 /*!
     \overload
 
-    Sets the RGB value to \a rgb, ignoring the alpha.
+    Sets the RGB value to \a rgb. The alpha value is set to opaque.
 */
 void QColor::setRgb(QRgb rgb)
 {
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 194dda3..7a3da20 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -1267,32 +1267,28 @@ static const uint L2CacheLineLengthInInts = L2CacheLineLength/sizeof(uint);
   result = 0
   d = d * cia
 */
+#define comp_func_Clear_impl(dest, length, const_alpha)\
+{\
+    if (const_alpha == 255) {\
+        QT_MEMFILL_UINT(dest, length, 0);\
+    } else {\
+        int ialpha = 255 - const_alpha;\
+        PRELOAD_INIT(dest)\
+        for (int i = 0; i < length; ++i) {\
+            PRELOAD_COND(dest)\
+            dest[i] = BYTE_MUL(dest[i], ialpha);\
+        }\
+    }\
+}
+
 static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        QT_MEMFILL_UINT(dest, length, 0);
-    } else {
-        int ialpha = 255 - const_alpha;
-        PRELOAD_INIT(dest)
-        for (int i = 0; i < length; ++i) {
-            PRELOAD_COND(dest)
-            dest[i] = BYTE_MUL(dest[i], ialpha);
-        }
-    }
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        QT_MEMFILL_UINT(dest, length, 0);
-    } else {
-        int ialpha = 255 - const_alpha;
-        PRELOAD_INIT(dest)
-        for (int i = 0; i < length; ++i) {
-            PRELOAD_COND(dest)
-            dest[i] = BYTE_MUL(dest[i], ialpha);
-        }
-    }
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 /*
@@ -2408,7 +2404,11 @@ 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/qdrawhelper_mmx_p.h b/src/gui/painting/qdrawhelper_mmx_p.h
index 8482262..59b3804 100644
--- a/src/gui/painting/qdrawhelper_mmx_p.h
+++ b/src/gui/painting/qdrawhelper_mmx_p.h
@@ -146,36 +146,30 @@ struct QMMXCommonIntrinsics
   result = 0
   d = d * cia
 */
+#define comp_func_Clear_impl(dest, length, const_alpha)\
+{\
+    if (const_alpha == 255) {\
+        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);\
+    } else {\
+        C_FF; C_80; C_00;\
+        m64 ia = MM::negate(MM::load_alpha(const_alpha));\
+        for (int i = 0; i < length; ++i) {\
+            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));\
+        }\
+        MM::end();\
+    }\
+}
+
 template <class MM>
 static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
 {
-    if (!length)
-        return;
-
-    if (const_alpha == 255) {
-        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
-    } else {
-        C_FF; C_80; C_00;
-        m64 ia = MM::negate(MM::load_alpha(const_alpha));
-        for (int i = 0; i < length; ++i) {
-            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
-        }
-    }
-    MM::end();
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 template <class MM>
 static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
-    } else {
-        C_FF; C_80; C_00;
-        m64 ia = MM::negate(MM::load_alpha(const_alpha));
-        for (int i = 0; i < length; ++i)
-            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
-    }
-    MM::end();
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 /*
@@ -246,7 +240,10 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le
     C_FF; C_80; C_00;
     if (const_alpha == 255) {
         for (int i = 0; i < length; ++i) {
-            if ((0xff000000 & src[i]) == 0xff000000) {
+            const uint alphaMaskedSource = 0xff000000 & src[i];
+            if (alphaMaskedSource == 0)
+                continue;
+            if (alphaMaskedSource == 0xff000000) {
                 dest[i] = src[i];
             } else {
                 m64 s = MM::load(src[i]);
@@ -257,6 +254,8 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le
     } else {
         m64 ca = MM::load_alpha(const_alpha);
         for (int i = 0; i < length; ++i) {
+            if ((0xff000000 & src[i]) == 0)
+                continue;
             m64 s = MM::byte_mul(MM::load(src[i]), ca);
             m64 ia = MM::negate(MM::alpha(s));
             dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), ia)));
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
index 6c47aac..cb0db4f 100644
--- a/src/gui/painting/qdrawhelper_p.h
+++ b/src/gui/painting/qdrawhelper_p.h
@@ -1549,6 +1549,9 @@ template<> inline void qt_memfill(quint8 *dest, quint8 color, int count)
 template <class T>
 inline void qt_memfill(T *dest, T value, int count)
 {
+    if (!count)
+        return;
+
     int n = (count + 7) / 8;
     switch (count & 0x07)
     {
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/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 3f2322e..bc56ed0 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -3081,6 +3081,8 @@ void QRasterPaintEngine::drawGlyphsS60(const QPointF &p, const QTextItemInt &ti)
     QVarLengthArray<glyph_t> glyphs;
     QTransform matrix = s->matrix;
     matrix.translate(p.x(), p.y());
+    if (matrix.type() == QTransform::TxScale)
+        fe->setFontScale(matrix.m11());
     ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
 
     const QFixed aliasDelta = QFixed::fromReal(aliasedCoordinateDelta);
@@ -3097,6 +3099,9 @@ void QRasterPaintEngine::drawGlyphsS60(const QPointF &p, const QTextItemInt &ti)
         alphaPenBlt(glyphBitmapBytes, glyphBitmapSize.iWidth, 8, x, y, glyphBitmapSize.iWidth, glyphBitmapSize.iHeight);
     }
 
+    if (matrix.type() == QTransform::TxScale)
+        fe->setFontScale(1.0);
+
     return;
 }
 #endif // Q_OS_SYMBIAN && QT_NO_FREETYPE
@@ -3269,7 +3274,9 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
     }
 
 #elif defined (Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) // Q_WS_WIN || Q_WS_MAC
-    if (s->matrix.type() <= QTransform::TxTranslate) {
+    if (s->matrix.type() <= QTransform::TxTranslate
+        || (s->matrix.type() == QTransform::TxScale
+                && (qFuzzyCompare(s->matrix.m11(), s->matrix.m22())))) {
         drawGlyphsS60(p, ti);
         return;
     }
diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h
index b937f66..a1c73cc 100644
--- a/src/gui/painting/qpaintengine_raster_p.h
+++ b/src/gui/painting/qpaintengine_raster_p.h
@@ -264,13 +264,13 @@ private:
 #endif // Q_OS_SYMBIAN && QT_NO_FREETYPE
 
     inline void ensureBrush(const QBrush &brush) {
-        if (!qbrush_fast_equals(state()->lastBrush, brush) || state()->fillFlags)
+        if (!qbrush_fast_equals(state()->lastBrush, brush) || (brush.style() != Qt::NoBrush && state()->fillFlags))
             updateBrush(brush);
     }
     inline void ensureBrush() { ensureBrush(state()->brush); }
 
     inline void ensurePen(const QPen &pen) {
-        if (!qpen_fast_equals(state()->lastPen, pen) || state()->strokeFlags)
+        if (!qpen_fast_equals(state()->lastPen, pen) || (pen.style() != Qt::NoPen && state()->strokeFlags))
             updatePen(pen);
     }
     inline void ensurePen() { ensurePen(state()->pen); }
diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp
index 147491e..da48fcb 100644
--- a/src/gui/painting/qpaintengine_x11.cpp
+++ b/src/gui/painting/qpaintengine_x11.cpp
@@ -1989,6 +1989,9 @@ void QX11PaintEngine::drawPixmap(const QRectF &r, const QPixmap &px, const QRect
         }
         XFillRectangle(d->dpy, d->hd, d->gc, x, y, sw, sh);
         restore_clip = true;
+    } else if (mono_dst && !mono_src) {
+        QBitmap bitmap(pixmap);
+        XCopyArea(d->dpy, bitmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y);
     } else {
         XCopyArea(d->dpy, pixmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y);
     }
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 31132d9..3bcaf8c 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -1986,12 +1986,25 @@ QPaintEngine *QPainter::paintEngine() const
     endNativePainting().
 
     Note that only the states the underlying paint engine changes will be reset
-    to their respective default states. If, for example, the OpenGL polygon
-    mode is changed by the user inside a beginNativePaint()/endNativePainting()
-    block, it will not be reset to the default state by endNativePainting().
+    to their respective default states. The states we reset may change from
+    release to release. The following states are currently reset in the OpenGL
+    2 engine:
 
-    Here is an example that shows intermixing of painter commands
-    and raw OpenGL commands:
+    \list
+    \i blending is disabled
+    \i the depth, stencil and scissor tests are disabled
+    \i the active texture unit is reset to 0
+    \i the depth mask, depth function and the clear depth are reset to their
+    default values
+    \i the stencil mask, stencil operation and stencil function are reset to
+    their default values
+     \i the current color is reset to solid white
+    \endlist
+
+    If, for example, the OpenGL polygon mode is changed by the user inside a
+    beginNativePaint()/endNativePainting() block, it will not be reset to the
+    default state by endNativePainting(). Here is an example that shows
+    intermixing of painter commands and raw OpenGL commands:
 
     \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 21
 
@@ -7382,10 +7395,15 @@ struct QPaintDeviceRedirection
 typedef QList<QPaintDeviceRedirection> QPaintDeviceRedirectionList;
 Q_GLOBAL_STATIC(QPaintDeviceRedirectionList, globalRedirections)
 Q_GLOBAL_STATIC(QMutex, globalRedirectionsMutex)
+Q_GLOBAL_STATIC(QAtomicInt, globalRedirectionAtomic)
 
 /*!
     \threadsafe
 
+    \obsolete
+
+    Please use QWidget::render() instead.
+
     Redirects all paint commands for the given paint \a device, to the
     \a replacement device. The optional point \a offset defines an
     offset within the source device.
@@ -7395,9 +7413,10 @@ Q_GLOBAL_STATIC(QMutex, globalRedirectionsMutex)
     device's painter (if any) before redirecting. Call
     restoreRedirected() to restore the previous redirection.
 
-    In general, you'll probably find that calling
-    QPixmap::grabWidget() or QPixmap::grabWindow() is an easier
-    solution.
+    \warning Making use of redirections in the QPainter API implies
+    that QPainter::begin() and QPaintDevice destructors need to hold
+    a mutex for a short period. This can impact performance. Use of
+    QWidget::render is strongly encouraged.
 
     \sa redirected(), restoreRedirected()
 */
@@ -7429,14 +7448,24 @@ void QPainter::setRedirected(const QPaintDevice *device,
     Q_ASSERT(redirections != 0);
     *redirections += QPaintDeviceRedirection(device, rdev ? rdev : replacement, offset + roffset,
                                              hadInternalWidgetRedirection ? redirections->size() - 1 : -1);
+    globalRedirectionAtomic()->ref();
 }
 
 /*!
     \threadsafe
 
+    \obsolete
+
+    Using QWidget::render() obsoletes the use of this function.
+
     Restores the previous redirection for the given \a device after a
     call to setRedirected().
 
+    \warning Making use of redirections in the QPainter API implies
+    that QPainter::begin() and QPaintDevice destructors need to hold
+    a mutex for a short period. This can impact performance. Use of
+    QWidget::render is strongly encouraged.
+
     \sa redirected()
  */
 void QPainter::restoreRedirected(const QPaintDevice *device)
@@ -7447,6 +7476,7 @@ void QPainter::restoreRedirected(const QPaintDevice *device)
     Q_ASSERT(redirections != 0);
     for (int i = redirections->size()-1; i >= 0; --i) {
         if (redirections->at(i) == device) {
+            globalRedirectionAtomic()->deref();
             const int internalWidgetRedirectionIndex = redirections->at(i).internalWidgetRedirectionIndex;
             redirections->removeAt(i);
             // Restore the internal widget redirection, i.e. remove it from the global
@@ -7468,9 +7498,18 @@ void QPainter::restoreRedirected(const QPaintDevice *device)
 /*!
     \threadsafe
 
+    \obsolete
+
+    Using QWidget::render() obsoletes the use of this function.
+
     Returns the replacement for given \a device. The optional out
     parameter \a offset returns the offset within the replaced device.
 
+    \warning Making use of redirections in the QPainter API implies
+    that QPainter::begin() and QPaintDevice destructors need to hold
+    a mutex for a short period. This can impact performance. Use of
+    QWidget::render is strongly encouraged.
+
     \sa setRedirected(), restoreRedirected()
 */
 QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
@@ -7483,6 +7522,9 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
             return widgetPrivate->redirected(offset);
     }
 
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
+        return 0;
+
     QMutexLocker locker(globalRedirectionsMutex());
     QPaintDeviceRedirectionList *redirections = globalRedirections();
     Q_ASSERT(redirections != 0);
@@ -7500,6 +7542,9 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
 
 void qt_painter_removePaintDevice(QPaintDevice *dev)
 {
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
+        return;
+
     QMutex *mutex = 0;
     QT_TRY {
         mutex = globalRedirectionsMutex();
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/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index 82b2dfb..b01a515 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -145,12 +145,15 @@ QImage* QS60WindowSurface::buffer(const QWidget *widget)
 
 void QS60WindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &)
 {
-    QWExtra *extra = widget->d_func()->extraData();
-    if (extra && !extra->inExpose) {
-        extra->inExpose = true; // Prevent DrawNow() from calling syncBackingStore() again
+    QWidget *window = widget->window();
+    Q_ASSERT(window);
+    QTLWExtra *topExtra = window->d_func()->maybeTopData();
+    Q_ASSERT(topExtra);
+    if (!topExtra->inExpose) {
+        topExtra->inExpose = true; // Prevent DrawNow() from calling syncBackingStore() again
         TRect tr = qt_QRect2TRect(region.boundingRect());
         widget->winId()->DrawNow(tr);
-        extra->inExpose = false;
+        topExtra->inExpose = false;
     }
 }
 
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index 739a70b..b1924e7 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);
     }
 
@@ -1608,7 +1608,7 @@ void QCommonStyle::drawControl(ControlElement element, const QStyleOption *opt,
 
                     if (toolbutton->toolButtonStyle == Qt::ToolButtonTextUnderIcon) {
                         pr.setHeight(pmSize.height() + 6);
-                        tr.adjust(0, pr.height() - 1, 0, -3);
+                        tr.adjust(0, pr.height() - 1, 0, -2);
                         pr.translate(shiftX, shiftY);
                         if (!hasArrow) {
                             proxy()->drawItemPixmap(p, pr, Qt::AlignCenter, pm);
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index 97d69b2..78074c7 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -667,32 +667,47 @@ static QSize qt_aqua_get_known_size(QStyle::ContentsType ct, const QWidget *widg
 
     switch (ct) {
     case QStyle::CT_PushButton: {
-        const QPushButton *psh = static_cast<const QPushButton *>(widg);
-        QString buttonText = qt_mac_removeMnemonics(psh->text());
-        if (buttonText.contains(QLatin1Char('\n')))
-            ret = QSize(-1, -1);
-        else if (sz == QAquaSizeLarge)
-            ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricPushButtonHeight));
-        else if (sz == QAquaSizeSmall)
-            ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricSmallPushButtonHeight));
-        else if (sz == QAquaSizeMini)
-            ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricMiniPushButtonHeight));
-
-        if (!psh->icon().isNull()){
-            // If the button got an icon, and the icon is larger than the
-            // button, we can't decide on a default size
-            ret.setWidth(-1);
-            if (ret.height() < psh->iconSize().height())
-                ret.setHeight(-1);
-        }
-        else if (buttonText == QLatin1String("OK") || buttonText == QLatin1String("Cancel")){
-            // Aqua Style guidelines restrict the size of OK and Cancel buttons to 68 pixels.
-            // However, this doesn't work for German, therefore only do it for English,
-            // I suppose it would be better to do some sort of lookups for languages
-            // that like to have really long words.
-            ret.setWidth(77 - 8);
-        }
-
+        const QPushButton *psh = qobject_cast<const QPushButton *>(widg);
+        // If this comparison is false, then the widget was not a push button.
+        // This is bad and there's very little we can do since we were requested to find a
+        // sensible size for a widget that pretends to be a QPushButton but is not.
+        if(psh) {
+            QString buttonText = qt_mac_removeMnemonics(psh->text());
+            if (buttonText.contains(QLatin1Char('\n')))
+                ret = QSize(-1, -1);
+            else if (sz == QAquaSizeLarge)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricPushButtonHeight));
+            else if (sz == QAquaSizeSmall)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricSmallPushButtonHeight));
+            else if (sz == QAquaSizeMini)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricMiniPushButtonHeight));
+
+            if (!psh->icon().isNull()){
+                // If the button got an icon, and the icon is larger than the
+                // button, we can't decide on a default size
+                ret.setWidth(-1);
+                if (ret.height() < psh->iconSize().height())
+                    ret.setHeight(-1);
+            }
+            else if (buttonText == QLatin1String("OK") || buttonText == QLatin1String("Cancel")){
+                // Aqua Style guidelines restrict the size of OK and Cancel buttons to 68 pixels.
+                // However, this doesn't work for German, therefore only do it for English,
+                // I suppose it would be better to do some sort of lookups for languages
+                // that like to have really long words.
+                ret.setWidth(77 - 8);
+            }
+        } else {
+            // The only sensible thing to do is to return whatever the style suggests...
+            if (sz == QAquaSizeLarge)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricPushButtonHeight));
+            else if (sz == QAquaSizeSmall)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricSmallPushButtonHeight));
+            else if (sz == QAquaSizeMini)
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricMiniPushButtonHeight));
+            else
+                // Since there's no default size we return the large size...
+                ret = QSize(-1, qt_mac_aqua_get_metric(kThemeMetricPushButtonHeight));
+         }
 #if 0 //Not sure we are applying the rules correctly for RadioButtons/CheckBoxes --Sam
     } else if (ct == QStyle::CT_RadioButton) {
         QRadioButton *rdo = static_cast<QRadioButton *>(widg);
@@ -749,23 +764,30 @@ static QSize qt_aqua_get_known_size(QStyle::ContentsType ct, const QWidget *widg
         if (sz == QAquaSizeSmall) {
             int width = 0, height = 0;
             if (szHint == QSize(-1, -1)) { //just 'guess'..
-                const QToolButton *bt = static_cast<const QToolButton *>(widg);
-                if (!bt->icon().isNull()) {
-                    QSize iconSize = bt->iconSize();
-                    QSize pmSize = bt->icon().actualSize(QSize(32, 32), QIcon::Normal);
-                    width = qMax(width, qMax(iconSize.width(), pmSize.width()));
-                    height = qMax(height, qMax(iconSize.height(), pmSize.height()));
-                }
-                if (!bt->text().isNull() && bt->toolButtonStyle() != Qt::ToolButtonIconOnly) {
-                    int text_width = bt->fontMetrics().width(bt->text()),
-                       text_height = bt->fontMetrics().height();
-                    if (bt->toolButtonStyle() == Qt::ToolButtonTextUnderIcon) {
-                        width = qMax(width, text_width);
-                        height += text_height;
-                    } else {
-                        width += text_width;
-                        width = qMax(height, text_height);
+                const QToolButton *bt = qobject_cast<const QToolButton *>(widg);
+                // If this conversion fails then the widget was not what it claimed to be.
+                if(bt) {
+                    if (!bt->icon().isNull()) {
+                        QSize iconSize = bt->iconSize();
+                        QSize pmSize = bt->icon().actualSize(QSize(32, 32), QIcon::Normal);
+                        width = qMax(width, qMax(iconSize.width(), pmSize.width()));
+                        height = qMax(height, qMax(iconSize.height(), pmSize.height()));
                     }
+                    if (!bt->text().isNull() && bt->toolButtonStyle() != Qt::ToolButtonIconOnly) {
+                        int text_width = bt->fontMetrics().width(bt->text()),
+                           text_height = bt->fontMetrics().height();
+                        if (bt->toolButtonStyle() == Qt::ToolButtonTextUnderIcon) {
+                            width = qMax(width, text_width);
+                            height += text_height;
+                        } else {
+                            width += text_width;
+                            width = qMax(height, text_height);
+                        }
+                    }
+                } else {
+                    // Let's return the size hint...
+                    width = szHint.width();
+                    height = szHint.height();
                 }
             } else {
                 width = szHint.width();
@@ -778,37 +800,47 @@ static QSize qt_aqua_get_known_size(QStyle::ContentsType ct, const QWidget *widg
         break;
     case QStyle::CT_Slider: {
         int w = -1;
-        const QSlider *sld = static_cast<const QSlider *>(widg);
-        if (sz == QAquaSizeLarge) {
-            if (sld->orientation() == Qt::Horizontal) {
-                w = qt_mac_aqua_get_metric(kThemeMetricHSliderHeight);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricHSliderTickHeight);
-            } else {
-                w = qt_mac_aqua_get_metric(kThemeMetricVSliderWidth);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricVSliderTickWidth);
-            }
-        } else if (sz == QAquaSizeSmall) {
-            if (sld->orientation() == Qt::Horizontal) {
-                w = qt_mac_aqua_get_metric(kThemeMetricSmallHSliderHeight);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricSmallHSliderTickHeight);
-            } else {
-                w = qt_mac_aqua_get_metric(kThemeMetricSmallVSliderWidth);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricSmallVSliderTickWidth);
-            }
-        } else if (sz == QAquaSizeMini) {
-            if (sld->orientation() == Qt::Horizontal) {
-                w = qt_mac_aqua_get_metric(kThemeMetricMiniHSliderHeight);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricMiniHSliderTickHeight);
-            } else {
-                w = qt_mac_aqua_get_metric(kThemeMetricMiniVSliderWidth);
-                if (sld->tickPosition() != QSlider::NoTicks)
-                    w += qt_mac_aqua_get_metric(kThemeMetricMiniVSliderTickWidth);
+        const QSlider *sld = qobject_cast<const QSlider *>(widg);
+        // If this conversion fails then the widget was not what it claimed to be.
+        if(sld) {
+            if (sz == QAquaSizeLarge) {
+                if (sld->orientation() == Qt::Horizontal) {
+                    w = qt_mac_aqua_get_metric(kThemeMetricHSliderHeight);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricHSliderTickHeight);
+                } else {
+                    w = qt_mac_aqua_get_metric(kThemeMetricVSliderWidth);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricVSliderTickWidth);
+                }
+            } else if (sz == QAquaSizeSmall) {
+                if (sld->orientation() == Qt::Horizontal) {
+                    w = qt_mac_aqua_get_metric(kThemeMetricSmallHSliderHeight);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricSmallHSliderTickHeight);
+                } else {
+                    w = qt_mac_aqua_get_metric(kThemeMetricSmallVSliderWidth);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricSmallVSliderTickWidth);
+                }
+            } else if (sz == QAquaSizeMini) {
+                if (sld->orientation() == Qt::Horizontal) {
+                    w = qt_mac_aqua_get_metric(kThemeMetricMiniHSliderHeight);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricMiniHSliderTickHeight);
+                } else {
+                    w = qt_mac_aqua_get_metric(kThemeMetricMiniVSliderWidth);
+                    if (sld->tickPosition() != QSlider::NoTicks)
+                        w += qt_mac_aqua_get_metric(kThemeMetricMiniVSliderTickWidth);
+                }
             }
+        } else {
+            // This is tricky, we were requested to find a size for a slider which is not
+            // a slider. We don't know if this is vertical or horizontal or if we need to
+            // have tick marks or not.
+            // For this case we will return an horizontal slider without tick marks.
+            w = qt_mac_aqua_get_metric(kThemeMetricHSliderHeight);
+            w += qt_mac_aqua_get_metric(kThemeMetricHSliderTickHeight);
         }
         if (sld->orientation() == Qt::Horizontal)
             ret.setHeight(w);
@@ -2379,7 +2411,12 @@ int QMacStyle::pixelMetric(PixelMetric metric, const QStyleOption *opt, const QW
         ret = 0;
         break;
     case PM_ToolBarFrameWidth:
-        ret = 0;
+        ret = 1;
+        if (widget) {
+            if (QMainWindow * mainWindow = qobject_cast<QMainWindow *>(widget->parent()))
+                if (mainWindow->unifiedTitleAndToolBarOnMac())
+                    ret = 0;
+        }
         break;
     default:
         ret = QWindowsStyle::pixelMetric(metric, opt, widget);
@@ -3343,8 +3380,14 @@ 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);
@@ -4309,8 +4352,6 @@ QRect QMacStyle::subElementRect(SubElement sr, const QStyleOption *opt,
                 rect.setY(0);
                 rect.setHeight(widget->height());
             }
-            if (opt->direction == Qt::RightToLeft)
-                rect.adjust(15, 0, -20, 0);
         }
         break;
     case SE_ProgressBarGroove:
@@ -5685,12 +5726,16 @@ QSize QMacStyle::sizeFromContents(ContentsType ct, const QStyleOption *opt,
         break;
     case CT_ToolButton:
         if (widget && qobject_cast<const QToolBar *>(widget->parentWidget())) {
-            sz.rwidth() += 4;
-            if (sz.height() <= 32) {
-                // Workaround strange HIToolBar bug when getting constraints.
-                sz.rheight() += 1;
+            if (QMainWindow * mainWindow = qobject_cast<QMainWindow *>(widget->parent())) {
+                if (mainWindow->unifiedTitleAndToolBarOnMac()) {
+                    sz.rwidth() += 4;
+                    if (sz.height() <= 32) {
+                        // Workaround strange HIToolBar bug when getting constraints.
+                        sz.rheight() += 1;
+                    }
+                    return sz;
+                }
             }
-            return sz;
         }
         sz.rwidth() += 10;
         sz.rheight() += 10;
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 3f4f190..9025e5b 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -92,10 +92,10 @@ static const qreal goldenRatio = 1.618;
 
 const layoutHeader QS60StylePrivate::m_layoutHeaders[] = {
 // *** generated layout data ***
-{240,320,1,15,"QVGA Landscape"},
-{320,240,1,15,"QVGA Portrait"},
-{360,640,1,15,"NHD Landscape"},
-{640,360,1,15,"NHD Portrait"},
+{240,320,1,16,"QVGA Landscape"},
+{320,240,1,16,"QVGA Portrait"},
+{360,640,1,16,"NHD Landscape"},
+{640,360,1,16,"NHD Portrait"},
 {352,800,1,12,"E90 Landscape"}
 // *** End of generated data ***
 };
@@ -104,10 +104,10 @@ const int QS60StylePrivate::m_numberOfLayouts =
 
 const short QS60StylePrivate::data[][MAX_PIXELMETRICS] = {
 // *** generated pixel metrics ***
-{5,0,-909,0,0,2,0,0,-1,7,12,19,13,13,6,200,-909,-909,-909,20,13,2,0,0,21,7,18,-909,3,3,1,-909,-909,0,1,0,0,12,20,15,15,18,18,1,115,18,0,-909,-909,-909,-909,0,0,16,2,-909,0,0,-909,16,-909,-909,-909,-909,32,18,55,24,55,3,3,4,9,13,-909,5,51,11,5,0,3,3,6,8,3,3,-909,2,-909,-909,-909,-909,5,5,3,1},
-{5,0,-909,0,0,1,0,0,-1,8,14,22,15,15,7,164,-909,-909,-909,19,15,2,0,0,21,8,27,-909,4,4,1,-909,-909,0,7,6,0,13,23,17,17,21,21,7,115,21,0,-909,-909,-909,-909,0,0,15,1,-909,0,0,-909,15,-909,-909,-909,-909,32,21,65,27,65,4,4,5,10,15,-909,5,58,13,5,0,4,4,7,9,4,4,-909,2,-909,-909,-909,-909,6,6,3,1},
-{7,0,-909,0,0,2,0,0,-1,25,69,28,19,19,9,258,-909,-909,-909,23,19,26,0,0,32,25,72,-909,5,5,2,-909,-909,0,7,21,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,25,2,-909,0,0,-909,25,-909,-909,-909,-909,87,27,77,35,77,5,5,6,8,19,-909,7,74,19,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
-{7,0,-909,0,0,2,0,0,-1,25,68,28,19,19,9,258,-909,-909,-909,31,19,6,0,0,32,25,60,-909,5,5,2,-909,-909,0,7,32,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,26,2,-909,0,0,-909,26,-909,-909,-909,-909,87,27,96,35,96,5,5,6,8,19,-909,7,74,22,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
+{5,0,-909,0,0,2,0,0,-1,7,12,19,13,13,6,200,-909,-909,-909,20,13,2,0,0,21,7,18,-909,3,3,1,-909,-909,0,1,0,0,12,20,15,15,18,18,1,115,18,0,-909,-909,-909,-909,0,0,16,2,-909,0,0,-909,16,-909,-909,-909,-909,32,18,55,24,55,4,4,4,9,13,-909,5,51,11,5,0,3,3,6,8,3,3,-909,2,-909,-909,-909,-909,5,5,3,1},
+{5,0,-909,0,0,1,0,0,-1,8,14,22,15,15,7,164,-909,-909,-909,19,15,2,0,0,21,8,27,-909,4,4,1,-909,-909,0,7,6,0,13,23,17,17,21,21,7,115,21,0,-909,-909,-909,-909,0,0,15,1,-909,0,0,-909,15,-909,-909,-909,-909,32,21,65,27,65,3,3,5,10,15,-909,5,58,13,5,0,4,4,7,9,4,4,-909,2,-909,-909,-909,-909,6,6,3,1},
+{7,0,-909,0,0,2,0,0,-1,25,69,28,19,19,9,258,-909,-909,-909,23,19,26,0,0,32,25,72,-909,5,5,2,-909,-909,0,7,21,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,25,2,-909,0,0,-909,25,-909,-909,-909,-909,87,27,77,35,77,13,13,6,8,19,-909,7,74,19,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
+{7,0,-909,0,0,2,0,0,-1,25,68,28,19,19,9,258,-909,-909,-909,31,19,6,0,0,32,25,60,-909,5,5,2,-909,-909,0,7,32,0,17,29,22,22,27,27,7,173,29,0,-909,-909,-909,-909,0,0,26,2,-909,0,0,-909,26,-909,-909,-909,-909,87,27,96,35,96,12,12,6,8,19,-909,7,74,22,7,0,5,5,8,12,5,5,-909,3,-909,-909,-909,-909,7,7,3,1},
 {7,0,-909,0,0,2,0,0,-1,10,20,27,18,18,9,301,-909,-909,-909,29,18,5,0,0,35,7,32,-909,5,5,2,-909,-909,0,2,8,0,16,28,21,21,26,26,2,170,26,0,-909,-909,-909,-909,0,0,21,6,-909,0,0,-909,-909,-909,-909,-909,-909,54,26,265,34,265,5,5,6,3,18,-909,7,72,19,7,0,5,6,8,11,6,5,-909,2,-909,-909,-909,-909,5,5,3,1}
 // *** End of generated data ***
 };
@@ -985,7 +985,7 @@ void QS60Style::drawComplexControl(ComplexControl control, const QStyleOptionCom
             //Handle graphics
             const QRect sliderHandle = subControlRect(control, optionSlider, SC_SliderHandle, widget);
             QS60StylePrivate::SkinElements handleElement;
-            if (optionSlider->state & QStyle::State_Sunken)
+            if (optionSlider->state & State_Sunken)
                 handleElement =
                         horizontal ? QS60StylePrivate::SE_SliderHandleSelectedHorizontal : QS60StylePrivate::SE_SliderHandleSelectedVertical;
             else
@@ -1985,7 +1985,6 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
 */
 void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
 {
-    Q_D(const QS60Style);
     const QS60StylePrivate::SkinElementFlags flags = (option->state & State_Enabled) ?  QS60StylePrivate::SF_StateEnabled : QS60StylePrivate::SF_StateDisabled;
     bool commonStyleDraws = false;
 
@@ -2021,8 +2020,8 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
                 QS60StyleEnums::SP_QgnIndiCheckboxOn : QS60StyleEnums::SP_QgnIndiCheckboxOff;
             painter->save();
 
-            QColor themeColor = QS60StylePrivate::themePalette()->windowText().color();
-            QColor windowTextColor = option->palette.windowText().color();
+            const QColor themeColor = QS60StylePrivate::themePalette()->windowText().color();
+            const QColor windowTextColor = option->palette.windowText().color();
 
             if (themeColor != windowTextColor)
                 painter->setPen(windowTextColor);
@@ -2069,8 +2068,8 @@ void QS60Style::drawPrimitive(PrimitiveElement element, const QStyleOption *opti
             buttonRect.adjust(0, -newY, -1, -newY);
 
             painter->save();
-            QColor themeColor = d->s60Color(QS60StyleEnums::CL_QsnTextColors, 6, option);
-            QColor buttonTextColor = option->palette.buttonText().color();
+            const QColor themeColor = QS60StylePrivate::s60Color(QS60StyleEnums::CL_QsnTextColors, 6, option);
+            const QColor buttonTextColor = option->palette.buttonText().color();
             if (themeColor != buttonTextColor)
                 painter->setPen(buttonTextColor);
             else
@@ -2400,22 +2399,15 @@ QSize QS60Style::sizeFromContents(ContentsType ct, const QStyleOption *opt,
                 sz.setHeight(sz.height() + 2 * pixelMetric(PM_FocusFrameVMargin));
             break;
 #ifndef QT_NO_COMBOBOX
-        case CT_ComboBox:
-            if (const QStyleOptionComboBox *cmb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) {
-               const int frameWidth = cmb->frame ? pixelMetric(PM_ComboBoxFrameWidth, opt, widget) * 2 : 0;
-               const int textMargins = 2*(pixelMetric(PM_FocusFrameHMargin) + 1);
-               const int smallestExtraWidth = 23;
-               // QItemDelegate::sizeHint expands the textMargins two times, thus the 2*textMargins...
-               const int extra = 
-                   qMax(smallestExtraWidth, 2*textMargins + pixelMetric(PM_ScrollBarExtent, opt, widget));
-               sz = QSize(sz.width() + frameWidth + extra, sz.height() + frameWidth);
-               int maxScreenWidth = QApplication::desktop()->availableGeometry().size().width();
-               if (sz.width() > maxScreenWidth) {
-                   maxScreenWidth = maxScreenWidth - (extra + frameWidth);
-                   sz.setWidth(maxScreenWidth);
-               }
-           }
-           break;
+        case CT_ComboBox: {
+                // Fixing Ui design issues with too wide QComboBoxes and greedy SizeHints
+                // Make sure, that the combobox says within the screen.
+                const QSize desktopContentSize = QApplication::desktop()->availableGeometry().size()
+                        -QSize(pixelMetric(PM_LayoutLeftMargin) + pixelMetric(PM_LayoutRightMargin), 0);
+                sz = QCommonStyle::sizeFromContents(ct, opt, csz, widget).
+                        boundedTo(desktopContentSize);
+            }
+            break;
 #endif
         default:
             sz = QCommonStyle::sizeFromContents( ct, opt, csz, widget);
@@ -2621,29 +2613,31 @@ QRect QS60Style::subControlRect(ComplexControl control, const QStyleOptionComple
             // lets use spinbox frame here as well, as no combobox specific value available.
             const int frameThickness = cmb->frame ? pixelMetric(PM_SpinBoxFrameWidth, cmb, widget) : 0;
             const int buttonWidth = qMax(cmb->rect.height(), buttonIconSize);
-            const int xposMod = (cmb->rect.x()) + width - buttonMargin - buttonWidth;
-            const int ypos = cmb->rect.y();
 
             QSize buttonSize;
             buttonSize.setWidth(buttonWidth + 2 * buttonMargin);
             buttonSize.setHeight(qMax(8, (cmb->rect.height() >> 1) - frameThickness)); //buttons should be squares
             buttonSize = buttonSize.expandedTo(QApplication::globalStrut());
             switch (scontrol) {
-                case SC_ComboBoxArrow:
+                case SC_ComboBoxArrow: {
+                    const int xposMod = cmb->rect.x() + width - buttonMargin - buttonWidth;
+                    const int ypos = cmb->rect.y();
                     ret.setRect(xposMod, ypos + buttonMargin, buttonWidth, height - 2 * buttonMargin);
+                    }
                     break;
                 case SC_ComboBoxEditField: {
-                    const int withFrameX = cmb->rect.x() + cmb->rect.width() - frameThickness - buttonSize.width();
+                    const int withFrameX = cmb->rect.x() + width - frameThickness - buttonSize.width();
                     ret = QRect(
                         frameThickness,
                         frameThickness,
                         withFrameX - frameThickness,
-                        cmb->rect.height() - 2 * frameThickness);
+                        height - 2 * frameThickness);
                     }
                 break;
             default:
                 break;
             }
+            ret = visualRect(cmb->direction, cmb->rect, ret);
         }
         break;
     case CC_GroupBox:
@@ -2964,11 +2958,13 @@ void QS60Style::unpolish(QWidget *widget)
     if (widget)
         widget->setPalette(QPalette());
 
-#ifndef QT_NO_PROGRESSBAR
+#if defined(Q_WS_S60) && !defined(QT_NO_PROGRESSBAR)
     if (QProgressBar *bar = qobject_cast<QProgressBar *>(widget)) {
         widget->removeEventFilter(this);
         d->m_bars.removeAll(bar);
     }
+#else
+    Q_UNUSED(d)
 #endif
     QCommonStyle::unpolish(widget);
 }
@@ -3000,9 +2996,8 @@ void QS60Style::unpolish(QApplication *application)
  */
 bool QS60Style::event(QEvent *e)
 {
-    Q_D(QS60Style);
-
 #ifdef QT_KEYPAD_NAVIGATION
+    Q_D(QS60Style);
     const QEvent::Type eventType = e->type();
     if ((eventType == QEvent::FocusIn ||
          eventType == QEvent::FocusOut ||
@@ -3166,6 +3161,10 @@ bool QS60Style::eventFilter(QObject *object, QEvent *event)
     return QStyle::eventFilter(object, event);
 }
 
+/*!
+    \internal
+    Handle the timer \a event. 
+*/
 void QS60Style::timerEvent(QTimerEvent *event)
 {
 #ifdef Q_WS_S60
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index 2cd238f..eae2291 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -74,7 +74,6 @@ typedef struct {
     unsigned short width;
     int major_version;
     int minor_version;
-    bool mirroring; // TODO: (nice to have) Use Qt::LayoutDirection
     const char* layoutName;
 } layoutHeader;
 
@@ -353,12 +352,12 @@ public:
     int timerId() const {return m_currentData->m_timerId;}
     int currentFrame() const {return m_currentData->m_currentFrame;}
 
-    void setFrameCount(const int &frameCount) {m_currentData->m_frames = frameCount;}
-    void setInterval(const int &interval) {m_currentData->m_interval = interval;}
+    void setFrameCount(int frameCount) {m_currentData->m_frames = frameCount;}
+    void setInterval(int interval) {m_currentData->m_interval = interval;}
     void setAnimationObject(CAknBitmapAnimation* animation);
     void setResourceBased(bool resourceBased) {m_currentData->m_resourceBased = resourceBased;}
-    void setTimerId(const int &timerId) {m_currentData->m_timerId = timerId;}
-    void setCurrentFrame(const int &currentFrame) {m_currentData->m_currentFrame = currentFrame;}
+    void setTimerId(int timerId) {m_currentData->m_timerId = timerId;}
+    void setCurrentFrame(int currentFrame) {m_currentData->m_currentFrame = currentFrame;}
 
     void resetToDefaults();
 
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index a3bb169..872bc2b 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -105,7 +105,7 @@ AnimationData::AnimationData(const QS60StyleEnums::SkinParts part, int frames, i
 }
 
 AnimationDataV2::AnimationDataV2(const AnimationData &data) : AnimationData(data.m_id, data.m_frames, data.m_interval),
-    m_resourceBased(false), m_animation(0), m_timerId(0)
+    m_animation(0), m_currentFrame(0), m_resourceBased(false), m_timerId(0)
 {
 }
 AnimationDataV2::~AnimationDataV2()
diff --git a/src/gui/styles/qstyle_s60.qrc b/src/gui/styles/qstyle_s60.qrc
new file mode 100644
index 0000000..dbee38b
--- /dev/null
+++ b/src/gui/styles/qstyle_s60.qrc
@@ -0,0 +1,137 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/trolltech/styles/commonstyle">
+<!-- <file>images/filelink-16.png</file> -->
+<file>images/filelink-32.png</file>
+<!-- <file>images/filelink-128.png</file> -->
+<!-- <file>images/file-16.png</file> -->
+<file>images/file-32.png</file>
+<!-- <file>images/file-128.png</file> -->
+<!-- <file>images/newdirectory-16.png</file> -->
+<file>images/newdirectory-32.png</file>
+<!-- <file>images/newdirectory-128.png</file> -->
+<!-- <file>images/parentdir-16.png</file> -->
+<file>images/parentdir-32.png</file>
+<!-- <file>images/parentdir-128.png</file> -->
+<!-- <file>images/dvd-16.png</file> -->
+<!-- <file>images/dvd-32.png</file> -->
+<!-- <file>images/dvd-128.png</file> -->
+<!-- <file>images/cdr-16.png</file> -->
+<!-- <file>images/cdr-32.png</file> -->
+<!-- <file>images/cdr-128.png</file> -->
+<!-- <file>images/floppy-16.png</file> -->
+<!-- <file>images/floppy-32.png</file> -->
+<!-- <file>images/floppy-128.png</file> -->
+<!-- <file>images/harddrive-16.png</file> -->
+<file>images/harddrive-32.png</file>
+<!-- <file>images/harddrive-128.png</file> -->
+<!-- <file>images/trash-16.png</file> -->
+<!-- <file>images/trash-32.png</file> -->
+<!-- <file>images/trash-128.png</file> -->
+<!-- <file>images/networkdrive-16.png</file> -->
+<!-- <file>images/networkdrive-32.png</file> -->
+<!-- <file>images/networkdrive-128.png</file> -->
+<!-- <file>images/computer-16.png</file> -->
+<!-- <file>images/computer-32.png</file> -->
+<!-- <file>images/desktop-16.png</file> -->
+<file>images/desktop-32.png</file>
+<!-- <file>images/dirclosed-16.png</file> -->
+<file>images/dirclosed-32.png</file>
+<!-- <file>images/dirclosed-128.png</file> -->
+<!-- <file>images/dirlink-16.png</file> -->
+<file>images/dirlink-32.png</file>
+<!-- <file>images/dirlink-128.png</file> -->
+<!-- <file>images/diropen-16.png</file> -->
+<file>images/diropen-32.png</file>
+<!-- <file>images/diropen-128.png</file> -->
+<!-- <file>images/left-16.png</file> -->
+<file>images/left-32.png</file>
+<!-- <file>images/left-128.png</file> -->
+<!-- <file>images/right-16.png</file> -->
+<file>images/right-32.png</file>
+<!-- <file>images/right-128.png</file> -->
+<!-- <file>images/up-16.png</file> -->
+<file>images/up-32.png</file>
+<!-- <file>images/up-128.png</file> -->
+<!-- <file>images/down-16.png</file> -->
+<file>images/down-32.png</file>
+<!-- <file>images/down-128.png</file> -->
+<!-- <file>images/filecontents-16.png</file> -->
+<file>images/filecontents-32.png</file>
+<!-- <file>images/filecontents-128.png</file> -->
+<!-- <file>images/fileinfo-16.png</file> -->
+<file>images/fileinfo-32.png</file>
+<!-- <file>images/fileinfo-128.png</file> -->
+<!-- <file>images/viewdetailed-16.png</file> -->
+<file>images/viewdetailed-32.png</file>
+<!-- <file>images/viewdetailed-128.png</file> -->
+<!-- <file>images/viewlist-16.png</file> -->
+<file>images/viewlist-32.png</file>
+<!-- <file>images/viewlist-128.png</file> -->
+<file>images/fontbitmap-16.png</file>
+<file>images/fonttruetype-16.png</file>
+<!-- <file>images/standardbutton-apply-128.png</file> -->
+<!-- <file>images/standardbutton-apply-16.png</file> -->
+<file>images/standardbutton-apply-32.png</file>
+<!-- <file>images/standardbutton-cancel-128.png</file> -->
+<!-- <file>images/standardbutton-cancel-16.png</file> -->
+<file>images/standardbutton-cancel-32.png</file>
+<!-- <file>images/standardbutton-clear-128.png</file> -->
+<!-- <file>images/standardbutton-clear-16.png</file> -->
+<file>images/standardbutton-clear-32.png</file>
+<!-- <file>images/standardbutton-close-128.png</file> -->
+<!-- <file>images/standardbutton-close-16.png</file> -->
+<file>images/standardbutton-close-32.png</file>
+<!-- <file>images/standardbutton-delete-128.png</file> -->
+<!-- <file>images/standardbutton-delete-16.png</file> -->
+<file>images/standardbutton-delete-32.png</file>
+<!-- <file>images/standardbutton-help-128.png</file> -->
+<!-- <file>images/standardbutton-help-16.png</file> -->
+<file>images/standardbutton-help-32.png</file>
+<!-- <file>images/standardbutton-no-128.png</file> -->
+<!-- <file>images/standardbutton-no-16.png</file> -->
+<file>images/standardbutton-no-32.png</file>
+<!-- <file>images/standardbutton-ok-128.png</file> -->
+<!-- <file>images/standardbutton-ok-16.png</file> -->
+<file>images/standardbutton-ok-32.png</file>
+<!-- <file>images/standardbutton-open-128.png</file> -->
+<!-- <file>images/standardbutton-open-16.png</file> -->
+<file>images/standardbutton-open-32.png</file>
+<!-- <file>images/standardbutton-save-128.png</file> -->
+<!-- <file>images/standardbutton-save-16.png</file> -->
+<file>images/standardbutton-save-32.png</file>
+<!-- <file>images/standardbutton-yes-128.png</file> -->
+<!-- <file>images/standardbutton-yes-16.png</file> -->
+<file>images/standardbutton-yes-32.png</file>
+<file>images/standardbutton-closetab-16.png</file>
+<file>images/standardbutton-closetab-down-16.png</file>
+<file>images/standardbutton-closetab-hover-16.png</file>
+<!-- <file>images/refresh-24.png</file> -->
+<file>images/refresh-32.png</file>
+<!-- <file>images/stop-24.png</file> -->
+<file>images/stop-32.png</file>
+<!-- <file>images/media-stop-16.png</file> -->
+<file>images/media-stop-32.png</file>
+<!-- <file>images/media-play-16.png</file> -->
+<file>images/media-play-32.png</file>
+<!-- <file>images/media-pause-16.png</file> -->
+<file>images/media-pause-32.png</file>
+<!-- <file>images/media-seek-forward-16.png</file> -->
+<file>images/media-seek-forward-32.png</file>
+<!-- <file>images/media-seek-backward-16.png</file> -->
+<file>images/media-seek-backward-32.png</file>
+<!-- <file>images/media-skip-forward-16.png</file> -->
+<file>images/media-skip-forward-32.png</file>
+<!-- <file>images/media-skip-backward-16.png</file> -->
+<file>images/media-skip-backward-32.png</file>
+<file>images/media-volume-16.png</file>
+<file>images/media-volume-muted-16.png</file>
+</qresource>
+<!--
+<qresource prefix="/trolltech/styles/macstyle">
+<file>images/closedock-16.png</file>
+<file>images/closedock-down-16.png</file>
+<file>images/dockdock-16.png</file>
+<file>images/dockdock-down-16.png</file>
+</qresource>
+-->
+</RCC>
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index 498313b..b36294a 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/styles/styles.pri b/src/gui/styles/styles.pri
index f30f5af..676f59e 100644
--- a/src/gui/styles/styles.pri
+++ b/src/gui/styles/styles.pri
@@ -23,10 +23,12 @@ SOURCES += \
         styles/qstylesheetstyle.cpp \
         styles/qstylesheetstyle_default.cpp
 
-!wince* {
-        RESOURCES += styles/qstyle.qrc
+wince* {
+    RESOURCES += styles/qstyle_wince.qrc
+} else:symbian {
+    RESOURCES += styles/qstyle_s60.qrc
 } else {
-        RESOURCES += styles/qstyle_wince.qrc
+    RESOURCES += styles/qstyle.qrc
 }
 
 contains( styles, all ) {
diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index 3b5b7d7..9b85c04 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -629,8 +629,9 @@ QFontEngineData::~QFontEngineData()
 
     Returns the name of the font within the underlying window system.
 
-    Only on X11 when Qt was built without FontConfig support the XLFD (X Logical Font Description)
-    is returned; otherwise an empty string.
+    On X11, this function will return an empty string if Qt is built with
+    FontConfig support; otherwise the XLFD (X Logical Font Description) is
+    returned.
 
     Using the return value of this function is usually \e not \e
     portable.
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index 4b678ed..621f666 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/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index 9343cb7..c000457 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -357,9 +357,6 @@ void QFontEngine::getGlyphPositions(const QGlyphLayout &glyphs, const QTransform
                 ++i;
             }
         } else {
-            positions.resize(glyphs.numGlyphs);
-            glyphs_out.resize(glyphs.numGlyphs);
-            int i = 0;
             while (i < glyphs.numGlyphs) {
                 if (!glyphs.attributes[i].dontPrint) {
                     QFixed gpos_x = xpos + glyphs.offsets[i].x;
diff --git a/src/gui/text/qfontengine_s60.cpp b/src/gui/text/qfontengine_s60.cpp
index 4625667..3ea084b 100644
--- a/src/gui/text/qfontengine_s60.cpp
+++ b/src/gui/text/qfontengine_s60.cpp
@@ -44,7 +44,7 @@
 #include "qglobal.h"
 #include <private/qapplication_p.h>
 #include "qimage.h"
-#include "qt_s60_p.h"
+#include <private/qt_s60_p.h>
 
 #include <e32base.h>
 #include <e32std.h>
@@ -129,26 +129,62 @@ static inline unsigned int getChar(const QChar *str, int &i, const int len)
     return uc;
 }
 
+CFont *QFontEngineS60::fontWithSize(qreal size) const
+{
+    CFont *result = 0;
+    TFontSpec fontSpec(qt_QString2TPtrC(QFontEngine::fontDef.family), TInt(size));
+    fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
+    fontSpec.iFontStyle.SetPosture(QFontEngine::fontDef.style == QFont::StyleNormal?EPostureUpright:EPostureItalic);
+    fontSpec.iFontStyle.SetStrokeWeight(QFontEngine::fontDef.weight > QFont::Normal?EStrokeWeightBold:EStrokeWeightNormal);
+    const TInt errorCode = S60->screenDevice()->GetNearestFontToDesignHeightInPixels(result, fontSpec);
+    Q_ASSERT(result && (errorCode == 0));
+    return result;
+}
+
+void QFontEngineS60::setFontScale(qreal scale)
+{
+    if (qFuzzyCompare(scale, qreal(1))) {
+        if (!m_originalFont)
+            m_originalFont = fontWithSize(m_originalFontSizeInPixels);
+        m_activeFont = m_originalFont;
+    } else {
+        const qreal scaledFontSizeInPixels = m_originalFontSizeInPixels * scale;
+        if (!m_scaledFont ||
+                (TInt(scaledFontSizeInPixels) != TInt(m_scaledFontSizeInPixels))) {
+            releaseFont(m_scaledFont);
+            m_scaledFontSizeInPixels = scaledFontSizeInPixels;
+            m_scaledFont = fontWithSize(m_scaledFontSizeInPixels);
+        }
+        m_activeFont = m_scaledFont;
+    }
+}
+
+void QFontEngineS60::releaseFont(CFont *&font)
+{
+    if (font) {
+        S60->screenDevice()->ReleaseFont(font);
+        font = 0;
+    }
+}
+
 QFontEngineS60::QFontEngineS60(const QFontDef &request, const QFontEngineS60Extensions *extensions)
     : m_extensions(extensions)
+    , m_originalFont(0)
+    , m_originalFontSizeInPixels((request.pixelSize >= 0)?
+            request.pixelSize:pointsToPixels(request.pointSize))
+    , m_scaledFont(0)
+    , m_scaledFontSizeInPixels(0)
+    , m_activeFont(0)
 {
     QFontEngine::fontDef = request;
-    m_fontSizeInPixels = (request.pixelSize >= 0)?
-            request.pixelSize:pointsToPixels(request.pointSize);
-
-    TFontSpec fontSpec(qt_QString2TPtrC(request.family), m_fontSizeInPixels);
-    fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
-    fontSpec.iFontStyle.SetPosture(request.style == QFont::StyleNormal?EPostureUpright:EPostureItalic);
-    fontSpec.iFontStyle.SetStrokeWeight(request.weight > QFont::Normal?EStrokeWeightBold:EStrokeWeightNormal);
-    const TInt errorCode = S60->screenDevice()->GetNearestFontToDesignHeightInPixels(m_font, fontSpec);
-    Q_ASSERT(errorCode == 0);
-
+    setFontScale(1.0);
     cache_cost = sizeof(QFontEngineS60);
 }
 
 QFontEngineS60::~QFontEngineS60()
 {
-    S60->screenDevice()->ReleaseFont(m_font);
+    releaseFont(m_originalFont);
+    releaseFont(m_scaledFont);
 }
 
 bool QFontEngineS60::stringToCMap(const QChar *characters, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const
@@ -251,12 +287,12 @@ glyph_metrics_t QFontEngineS60::boundingBox(glyph_t glyph)
 
 QFixed QFontEngineS60::ascent() const
 {
-    return m_font->FontMaxAscent();
+    return m_originalFont->FontMaxAscent();
 }
 
 QFixed QFontEngineS60::descent() const
 {
-    return m_font->FontMaxDescent();
+    return m_originalFont->FontMaxDescent();
 }
 
 QFixed QFontEngineS60::leading() const
@@ -266,7 +302,7 @@ QFixed QFontEngineS60::leading() const
 
 qreal QFontEngineS60::maxCharWidth() const
 {
-    return m_font->MaxCharWidthInPixels();
+    return m_originalFont->MaxCharWidthInPixels();
 }
 
 const char *QFontEngineS60::name() const
@@ -302,11 +338,11 @@ void QFontEngineS60::getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metri
     const TUint specialCode = (TUint)glyph | 0x80000000;
 
     const CFont::TCharacterDataAvailability availability =
-        m_font->GetCharacterData(specialCode, metrics, bitmap, bitmapSize);
+            m_activeFont->GetCharacterData(specialCode, metrics, bitmap, bitmapSize);
     const glyph_t fallbackGlyph = '?';
     if (availability != CFont::EAllCharacterData) {
         const CFont::TCharacterDataAvailability fallbackAvailability =
-            m_font->GetCharacterData(fallbackGlyph, metrics, bitmap, bitmapSize);
+                m_activeFont->GetCharacterData(fallbackGlyph, metrics, bitmap, bitmapSize);
         Q_ASSERT(fallbackAvailability == CFont::EAllCharacterData);
     }
 }
diff --git a/src/gui/text/qfontengine_s60_p.h b/src/gui/text/qfontengine_s60_p.h
index 6d47b9d..5834cc4 100644
--- a/src/gui/text/qfontengine_s60_p.h
+++ b/src/gui/text/qfontengine_s60_p.h
@@ -58,9 +58,6 @@
 #include "qsize.h"
 #include <openfont.h>
 
-class CFbsBitmap;
-class CFbsBitmapDevice;
-class CFbsBitGc;
 class CFont;
 
 QT_BEGIN_NAMESPACE
@@ -120,15 +117,21 @@ public:
     Type type() const;
 
     void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
+    void setFontScale(qreal scale);
 
 private:
     friend class QFontPrivate;
 
     QFixed glyphAdvance(HB_Glyph glyph) const;
+    CFont *fontWithSize(qreal size) const;
+    static void releaseFont(CFont *&font);
 
-    CFont* m_font;
     const QFontEngineS60Extensions *m_extensions;
-    qreal m_fontSizeInPixels;
+    CFont* m_originalFont;
+    const qreal m_originalFontSizeInPixels;
+    CFont* m_scaledFont;
+    qreal m_scaledFontSizeInPixels;
+    CFont* m_activeFont;
 };
 
 class QFontEngineMultiS60 : public QFontEngineMulti
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 26c7c1e..af91603 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -1331,7 +1331,7 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition
     QTextLine l(line, d);
     const QScriptLine &sl = d->lines[line];
 
-    const qreal x = position.x() + l.cursorToX(cursorPosition);
+    qreal x = position.x() + l.cursorToX(cursorPosition);
 
     int itm = d->findItem(cursorPosition - 1);
     QFixed base = sl.base();
@@ -1350,6 +1350,10 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition
                               && (p->transform().type() > QTransform::TxTranslate);
     if (toggleAntialiasing)
         p->setRenderHint(QPainter::Antialiasing);
+#if defined(QT_MAC_USE_COCOA)
+    // Always draw the cursor aligned to pixel boundary.
+    x = qRound(x);
+#endif
     p->fillRect(QRectF(x, y, qreal(width), (base + descent + 1).toReal()), p->pen().brush());
     if (toggleAntialiasing)
         p->setRenderHint(QPainter::Antialiasing, false);
diff --git a/src/gui/text/qtextoption.cpp b/src/gui/text/qtextoption.cpp
index 0c8aeec..c1e254c 100644
--- a/src/gui/text/qtextoption.cpp
+++ b/src/gui/text/qtextoption.cpp
@@ -52,6 +52,9 @@ struct QTextOptionPrivate
 
 /*!
     Constructs a text option with default properties for text.
+    The text alignment property is set to Qt::AlignLeft. The
+    word wrap property is set to QTextOption::WordWrap. The
+    using of design metrics flag is set to false.
 */
 QTextOption::QTextOption()
     : align(Qt::AlignLeft),
@@ -67,6 +70,8 @@ QTextOption::QTextOption()
 
 /*!
     Constructs a text option with the given \a alignment for text.
+    The word wrap property is set to QTextOption::WordWrap. The using
+    of design metrics flag is set to false.
 */
 QTextOption::QTextOption(Qt::Alignment alignment)
     : align(alignment),
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/util/qsystemtrayicon_mac.mm b/src/gui/util/qsystemtrayicon_mac.mm
index ae805f6..0265a83 100644
--- a/src/gui/util/qsystemtrayicon_mac.mm
+++ b/src/gui/util/qsystemtrayicon_mac.mm
@@ -569,16 +569,3 @@ private:
 }
 @end
 
-
-/* Done here because this is the only .mm for now! -Sam */
-QMacCocoaAutoReleasePool::QMacCocoaAutoReleasePool()
-{
-    NSApplicationLoad();
-    pool = (void*)[[NSAutoreleasePool alloc] init];
-}
-
-QMacCocoaAutoReleasePool::~QMacCocoaAutoReleasePool()
-{
-    [(NSAutoreleasePool*)pool release];
-}
-
diff --git a/src/gui/util/qsystemtrayicon_p.h b/src/gui/util/qsystemtrayicon_p.h
index b881f68..e8bf197 100644
--- a/src/gui/util/qsystemtrayicon_p.h
+++ b/src/gui/util/qsystemtrayicon_p.h
@@ -164,7 +164,9 @@ protected:
     bool x11Event(XEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void mouseDoubleClickEvent(QMouseEvent *event);
+#ifndef QT_NO_WHEELEVENT
     void wheelEvent(QWheelEvent *event);
+#endif
     bool event(QEvent *e);
 
 private:
diff --git a/src/gui/util/qsystemtrayicon_x11.cpp b/src/gui/util/qsystemtrayicon_x11.cpp
index a645050..82b4325 100644
--- a/src/gui/util/qsystemtrayicon_x11.cpp
+++ b/src/gui/util/qsystemtrayicon_x11.cpp
@@ -308,10 +308,12 @@ void QSystemTrayIconSys::mouseDoubleClickEvent(QMouseEvent *ev)
         emit q->activated(QSystemTrayIcon::DoubleClick);
 }
 
+#ifndef QT_NO_WHEELEVENT
 void QSystemTrayIconSys::wheelEvent(QWheelEvent *e)
 {
     QApplication::sendEvent(q, e);
 }
+#endif
 
 bool QSystemTrayIconSys::event(QEvent *e)
 {
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..4bd7b5a 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 +688,66 @@ 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 =
+#ifndef QT_NO_WHEELEVENT
+                QApplication::wheelScrollLines() *
+#endif
+                offset * 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 == d->value)
-        d->offset_accumulated = 0;
-    else
+    if (prevValue == value) {
+        offset_accumulated = 0;
+        return false;
+    }
+    return true;
+}
+
+/*!
+    \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/qabstractspinbox.h b/src/gui/widgets/qabstractspinbox.h
index 059943a..6c062c0 100644
--- a/src/gui/widgets/qabstractspinbox.h
+++ b/src/gui/widgets/qabstractspinbox.h
@@ -137,7 +137,9 @@ protected:
     void resizeEvent(QResizeEvent *event);
     void keyPressEvent(QKeyEvent *event);
     void keyReleaseEvent(QKeyEvent *event);
+#ifndef QT_NO_WHEELEVENT
     void wheelEvent(QWheelEvent *event);
+#endif
     void focusInEvent(QFocusEvent *event);
     void focusOutEvent(QFocusEvent *event);
     void contextMenuEvent(QContextMenuEvent *event);
diff --git a/src/gui/widgets/qcombobox.h b/src/gui/widgets/qcombobox.h
index f332d31..9b19a66 100644
--- a/src/gui/widgets/qcombobox.h
+++ b/src/gui/widgets/qcombobox.h
@@ -245,7 +245,9 @@ protected:
     void mouseReleaseEvent(QMouseEvent *e);
     void keyPressEvent(QKeyEvent *e);
     void keyReleaseEvent(QKeyEvent *e);
+#ifndef QT_NO_WHEELEVENT
     void wheelEvent(QWheelEvent *e);
+#endif
     void contextMenuEvent(QContextMenuEvent *e);
     void inputMethodEvent(QInputMethodEvent *);
     QVariant inputMethodQuery(Qt::InputMethodQuery) const;
diff --git a/src/gui/widgets/qdialogbuttonbox.cpp b/src/gui/widgets/qdialogbuttonbox.cpp
index 48d7022..6a0e363 100644
--- a/src/gui/widgets/qdialogbuttonbox.cpp
+++ b/src/gui/widgets/qdialogbuttonbox.cpp
@@ -1017,6 +1017,8 @@ 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/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 414c2ed..db099e8 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -524,8 +524,11 @@ void QLineControl::draw(QPainter *painter, const QPoint &offset, const QRect &cl
         m_textLayout.draw(painter, offset, selections, clip);
 
     if (flags & DrawCursor){
+        int cursor = m_cursor;
+        if (m_preeditCursor != -1)
+            cursor += m_preeditCursor;
         if(!m_blinkPeriod || m_blinkStatus)
-            m_textLayout.drawCursor(painter, offset, m_cursor, m_cursorWidth);
+            m_textLayout.drawCursor(painter, offset, cursor, m_cursorWidth);
     }
 }
 
@@ -1368,6 +1371,8 @@ bool QLineControl::processEvent(QEvent* ev)
             processInputMethodEvent(static_cast<QInputMethodEvent*>(ev)); break;
 #ifndef QT_NO_SHORTCUT
         case QEvent::ShortcutOverride:{
+            if (isReadOnly())
+                return false;
             QKeyEvent* ke = static_cast<QKeyEvent*>(ev);
             if (ke == QKeySequence::Copy
                 || ke == QKeySequence::Paste
diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h
index 301ff72..d6f2705 100644
--- a/src/gui/widgets/qlinecontrol_p.h
+++ b/src/gui/widgets/qlinecontrol_p.h
@@ -549,7 +549,10 @@ inline qreal QLineControl::cursorToX(int cursor) const
 
 inline qreal QLineControl::cursorToX() const
 {
-    return cursorToX(m_cursor);
+    int cursor = m_cursor;
+    if (m_preeditCursor != -1)
+        cursor += m_preeditCursor;
+    return cursorToX(cursor);
 }
 
 inline bool QLineControl::isReadOnly() const
diff --git a/src/gui/widgets/qmainwindow.cpp b/src/gui/widgets/qmainwindow.cpp
index 1622191..269cd12 100644
--- a/src/gui/widgets/qmainwindow.cpp
+++ b/src/gui/widgets/qmainwindow.cpp
@@ -119,8 +119,6 @@ void QMainWindowPrivate::init()
     q->setAttribute(Qt::WA_Hover);
 #ifdef QT_SOFTKEYS_ENABLED
     menuBarAction = QSoftKeyManager::createAction(QSoftKeyManager::MenuSoftKey, q);
-    menuBarAction->setObjectName(QLatin1String("_q_menuSoftKeyAction"));
-    menuBarAction->setVisible(false);
 #endif
 }
 
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/qmainwindowlayout_mac.mm b/src/gui/widgets/qmainwindowlayout_mac.mm
index ee79f5a..d92168a 100644
--- a/src/gui/widgets/qmainwindowlayout_mac.mm
+++ b/src/gui/widgets/qmainwindowlayout_mac.mm
@@ -472,14 +472,20 @@ void QMainWindowLayout::removeFromMacToolbar(QToolBar *toolbar)
 
 void QMainWindowLayout::cleanUpMacToolbarItems()
 {
-    for (int i = 0; i < toolbarItemsCopy.size(); ++i)
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+#endif
+    for (int i = 0; i < toolbarItemsCopy.size(); ++i) {
+#ifdef QT_MAC_USE_COCOA
+        NSToolbarItem *item = static_cast<NSToolbarItem *>(toolbarItemsCopy.at(i));
+        [item setView:0];
+#endif
         CFRelease(toolbarItemsCopy.at(i));
+    }
     toolbarItemsCopy.clear();
     unifiedToolbarHash.clear();
 
 #ifdef QT_MAC_USE_COCOA
-    QMacCocoaAutoReleasePool pool;
-
     OSWindowRef window = qt_mac_window_for(layoutState.mainWindow);
     NSToolbar *macToolbar = [window toolbar];
     if (macToolbar) {
diff --git a/src/gui/widgets/qmenu.cpp b/src/gui/widgets/qmenu.cpp
index 5031d88..8ce7cc0 100644
--- a/src/gui/widgets/qmenu.cpp
+++ b/src/gui/widgets/qmenu.cpp
@@ -1588,10 +1588,9 @@ QAction *QMenu::insertSeparator(QAction *before)
 }
 
 /*!
-  This will set the default action to \a act. The default action may
-  have a visual queue depending on the current QStyle. A default
-  action is usually meant to indicate what will defaultly happen on a
-  drop, as shown in a context menu.
+  This sets the default action to \a act. The default action may have
+  a visual cue, depending on the current QStyle. A default action
+  usually indicates what will happen by default when a drop occurs.
 
   \sa defaultAction()
 */
diff --git a/src/gui/widgets/qmenu.h b/src/gui/widgets/qmenu.h
index 5a6a5c7..47dff2b 100644
--- a/src/gui/widgets/qmenu.h
+++ b/src/gui/widgets/qmenu.h
@@ -162,7 +162,9 @@ protected:
     void mouseReleaseEvent(QMouseEvent *);
     void mousePressEvent(QMouseEvent *);
     void mouseMoveEvent(QMouseEvent *);
+#ifndef QT_NO_WHEELEVENT
     void wheelEvent(QWheelEvent *);
+#endif
     void enterEvent(QEvent *);
     void leaveEvent(QEvent *);
     void hideEvent(QHideEvent *);
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index cd7f9bd..7e4bbb5 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -175,6 +175,22 @@ static quint32 constructModifierMask(quint32 accel_key)
     return ret;
 }
 
+static void cancelAllMenuTracking()
+{
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+    NSMenu *mainMenu = [NSApp mainMenu];
+    [mainMenu cancelTracking];
+    for (NSMenuItem *item in [mainMenu itemArray]) {
+        if ([item submenu]) {
+            [[item submenu] cancelTracking];
+        }
+    }
+#else
+    CancelMenuTracking(AcquireRootMenu(), true, 0);
+#endif
+}
+
 static bool actualMenuItemVisibility(const QMenuBarPrivate::QMacMenuBarPrivate *mbp,
                                      const QMacMenuAction *action)
 {
@@ -1830,6 +1846,12 @@ void QMenuBarPrivate::macDestroyMenuBar()
     mac_menubar = 0;
 
     if (qt_mac_current_menubar.qmenubar == q) {
+#ifdef QT_MAC_USE_COCOA
+        QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
+        [loader removeActionsFromAppMenu];
+#else
+        cancelAllMenuTracking();
+#endif
         extern void qt_event_request_menubarupdate(); //qapplication_mac.cpp
         qt_event_request_menubarupdate();
     }
@@ -1933,20 +1955,6 @@ static bool qt_mac_should_disable_menu(QMenuBar *menuBar, QWidget *modalWidget)
     return qt_mac_is_ancestor(menuBar->parentWidget(), modalWidget);
 }
 
-static void cancelAllMenuTracking()
-{
-#ifdef QT_MAC_USE_COCOA
-    QMacCocoaAutoReleasePool pool;
-    NSMenu *mainMenu = [NSApp mainMenu];
-    [mainMenu cancelTracking];
-    for (NSMenuItem *item in [mainMenu itemArray]) {
-        if ([item submenu]) {
-            [[item submenu] cancelTracking];
-        }
-    }
-#endif
-}
-
 /*!
   \internal
 
diff --git a/src/gui/widgets/qmenu_p.h b/src/gui/widgets/qmenu_p.h
index b7272f7..aaed6b1 100644
--- a/src/gui/widgets/qmenu_p.h
+++ b/src/gui/widgets/qmenu_p.h
@@ -71,6 +71,7 @@ QT_BEGIN_NAMESPACE
 #ifndef QT_NO_MENU
 
 #ifdef Q_WS_S60
+void qt_symbian_next_menu_from_action(QWidget* actionContainer);
 void qt_symbian_show_toplevel(CEikMenuPane* menuPane);
 void qt_symbian_show_submenu(CEikMenuPane* menuPane, int id);
 #endif // Q_WS_S60
@@ -87,7 +88,7 @@ QT_BEGIN_NAMESPACE
 typedef void NSMenuItem;
 #  endif //__OBJC__
 struct QMacMenuAction {
-    QMacMenuAction() 
+    QMacMenuAction()
 #ifndef QT_MAC_USE_COCOA
        : command(0)
 #else
@@ -124,7 +125,7 @@ typedef QList<QMenuMergeItem> QMenuMergeList;
 
 #ifdef Q_WS_WINCE
 struct QWceMenuAction {
-    uint command;    
+    uint command;
     QPointer<QAction> action;
     HMENU menuHandle;
     QWceMenuAction() : menuHandle(0), command(0) {}
@@ -340,7 +341,7 @@ public:
         QList<QWceMenuAction*> actionItems;
         HMENU menuHandle;
         QWceMenuPrivate();
-        ~QWceMenuPrivate();        
+        ~QWceMenuPrivate();
         void addAction(QAction *, QWceMenuAction* =0);
         void addAction(QWceMenuAction *, QWceMenuAction* =0);
         void syncAction(QWceMenuAction *);
diff --git a/src/gui/widgets/qmenu_symbian.cpp b/src/gui/widgets/qmenu_symbian.cpp
index b8370ec..c064791 100644
--- a/src/gui/widgets/qmenu_symbian.cpp
+++ b/src/gui/widgets/qmenu_symbian.cpp
@@ -81,6 +81,7 @@ static QList<QMenuBar*> nativeMenuBars;
 static uint qt_symbian_menu_static_cmd_id = QT_SYMBIAN_FIRST_MENU_ITEM;
 static QPointer<QWidget> widgetWithContextMenu;
 static QList<QAction*> contextMenuActionList;
+static QWidget* actionMenu = NULL;
 static int contexMenuCommand=0;
 
 bool menuExists()
@@ -224,8 +225,26 @@ static void rebuildMenu()
 }
 
 #ifdef Q_WS_S60
+void qt_symbian_next_menu_from_action(QWidget *actionContainer)
+{
+    actionMenu = actionContainer;
+}
+
 void qt_symbian_show_toplevel( CEikMenuPane* menuPane)
 {
+    if (actionMenu) {
+        QMenuBarPrivate *mb = 0;
+        mb = menubars()->value(actionMenu);
+        qt_symbian_menu_static_cmd_id = QT_SYMBIAN_FIRST_MENU_ITEM;
+        deleteAll( &symbianMenus );
+        Q_ASSERT(mb);
+        mb->symbian_menubar->rebuild();
+        for (int i = 0; i < symbianMenus.count(); ++i)
+            QT_TRAP_THROWING(menuPane->AddMenuItemL(symbianMenus.at(i)->menuItemData));
+        actionMenu = NULL;
+        return;
+    }
+
     if (!menuExists())
         return;
     rebuildMenu();
@@ -271,10 +290,16 @@ int QMenuBarPrivate::symbianCommands(int command)
 void QMenuBarPrivate::symbianCreateMenuBar(QWidget *parent)
 {
     Q_Q(QMenuBar);
-    if (parent && parent->isWindow()){
-        menubars()->insert(q->window(), this);
-        symbian_menubar = new QSymbianMenuBarPrivate(this);
-        nativeMenuBars.append(q);
+    if (parent) {
+        if(parent->isWindow()) {
+            menubars()->insert(q->window(), this);
+            symbian_menubar = new QSymbianMenuBarPrivate(this);
+            nativeMenuBars.append(q);
+        } else {
+            menubars()->insert(q->parentWidget(), this);
+            symbian_menubar = new QSymbianMenuBarPrivate(this);
+            nativeMenuBars.append(q);
+        }
     }
 }
 
@@ -284,6 +309,7 @@ void QMenuBarPrivate::symbianDestroyMenuBar()
     int index = nativeMenuBars.indexOf(q);
     nativeMenuBars.removeAt(index);
     menubars()->remove(q->window(), this);
+    menubars()->remove(q->parentWidget(), this);
     rebuildMenu();
     if (symbian_menubar)
         delete symbian_menubar;
diff --git a/src/gui/widgets/qmenubar.cpp b/src/gui/widgets/qmenubar.cpp
index 0e14385..9caadb7 100644
--- a/src/gui/widgets/qmenubar.cpp
+++ b/src/gui/widgets/qmenubar.cpp
@@ -667,7 +667,7 @@ void QMenuBar::initStyleOption(QStyleOptionMenuItem *option, const QAction *acti
          \i Application Menu | About <application name>
          \i The application name is fetched from the \c {Info.plist} file
             (see note below). If this entry is not found no About item
-            will appear in the Application Menu. 
+            will appear in the Application Menu.
     \row \i config, options, setup, settings or preferences
          \i Application Menu | Preferences
          \i If this entry is not found the Settings item will be disabled
diff --git a/src/gui/widgets/qprintpreviewwidget.cpp b/src/gui/widgets/qprintpreviewwidget.cpp
index 747a227..45b15ef 100644
--- a/src/gui/widgets/qprintpreviewwidget.cpp
+++ b/src/gui/widgets/qprintpreviewwidget.cpp
@@ -151,7 +151,11 @@ class GraphicsView : public QGraphicsView
 public:
     GraphicsView(QWidget* parent = 0)
         : QGraphicsView(parent)
-        {}
+    {
+#ifdef Q_WS_MAC
+        setFrameStyle(QFrame::NoFrame);
+#endif
+    }
 signals:
     void resized();
 
diff --git a/src/gui/widgets/qscrollbar.cpp b/src/gui/widgets/qscrollbar.cpp
index 73ce122..4eff260 100644
--- a/src/gui/widgets/qscrollbar.cpp
+++ b/src/gui/widgets/qscrollbar.cpp
@@ -521,6 +521,24 @@ bool QScrollBar::event(QEvent *event)
     if (const QHoverEvent *he = static_cast<const QHoverEvent *>(event))
         d_func()->updateHoverControl(he->pos());
         break;
+#ifndef QT_NO_WHEELEVENT
+    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;
+    }
+#endif
     default:
         break;
     }
diff --git a/src/gui/widgets/qtoolbar.cpp b/src/gui/widgets/qtoolbar.cpp
index 53050ac..8beda55 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}
 */