Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (53 commits)
  remove non wifi interfaces from being handled.
  Disable auto-uppercasing and predictive text for password line edits.
  Avoid QString reallocation in QTextEngine::itemize()
  Remove the Qt 4.7 #if guards that were needed for 4.6
  Always redraw the complete control when an input event comes in.
  Make sure not to crash if createStandardContextMenu() returns 0 (e.g. on Maemo5)
  Fix compilation: include QString in order to use QString.
  Fix compile
  Block the Maemo5 window attribute values from being assigned to something else on other platforms.
  be more verbose when warning about incompatible libraries
  Introduce a setAttribute_internal helper
  Do not reset state too early on RMB click
  Fix for QRadioButtons and QCheckBoxes drawn incorrectly when a style sheet is set.
  Speed up creation of the pixmap cache key
  Optimize QGtkStyle
  fix qmake -project mode
  test qlist some more
  fix include
  Don't print a warning when passing an empty string to QColor
  Stabilize QWidget
  ...

42 files changed, 704 insertions, 305 deletions

diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 6ee8ae9..d2546a7 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -500,6 +500,14 @@ public:
         WA_MergeSoftkeys =  124,
         WA_MergeSoftkeysRecursively =  125,
 
+#if 0 // these values are reserved for Maemo5 - do not re-use them
+        WA_Maemo5NonComposited = 126,
+        WA_Maemo5StackedWindow = 127,
+        WA_Maemo5PortraitOrientation = 128,
+        WA_Maemo5LandscapeOrientation = 129,
+        WA_Maemo5AutoOrientation = 130,
+        WA_Maemo5ShowProgressIndicator = 131,
+#endif
         // Add new attributes before this line
         WA_AttributeCount
     };
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 761b31f..8e4ec7c 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -132,7 +132,8 @@ QObjectPrivate::QObjectPrivate(int version)
     : threadData(0), connectionLists(0), senders(0), currentSender(0), currentChildBeingDeleted(0)
 {
     if (version != QObjectPrivateVersion)
-        qFatal("Cannot mix incompatible Qt libraries");
+        qFatal("Cannot mix incompatible Qt library (version 0x%x) with this library (version 0x%x)",
+                version, QObjectPrivateVersion);
 
     // QObjectData initialization
     q_ptr = 0;
diff --git a/src/corelib/kernel/qobjectdefs.h b/src/corelib/kernel/qobjectdefs.h
index 8ed7f3f..b045c42 100644
--- a/src/corelib/kernel/qobjectdefs.h
+++ b/src/corelib/kernel/qobjectdefs.h
@@ -271,6 +271,14 @@ public:
         : QGenericArgument(aName, static_cast<const void *>(&aData))
         {}
 };
+template <class T>
+class QArgument<T &>: public QGenericArgument
+{
+public:
+    inline QArgument(const char *aName, T &aData)
+        : QGenericArgument(aName, static_cast<const void *>(&aData))
+        {}
+};
 
 
 template <typename T>
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
index 3324796..c5f70b0 100644
--- a/src/corelib/tools/qbytearray.cpp
+++ b/src/corelib/tools/qbytearray.cpp
@@ -154,6 +154,10 @@ char *qstrcpy(char *dst, const char *src)
     This function assumes that \a dst is at least \a len characters
     long.
 
+    \note When compiling with Visual C++ compiler version 14.00
+    (Visual C++ 2005) or later, internally the function strncpy_s
+    will be used.
+
     \sa qstrcpy()
 */
 
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index 21f308d..c69dd09 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -119,6 +119,8 @@ enum CPUFeatures {
 
 Q_CORE_EXPORT uint qDetectCPUFeatures();
 
+Q_CORE_EXPORT uint qDetectCPUFeatures();
+
 QT_END_NAMESPACE
 
 QT_END_HEADER
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index c54ddd0..1998ccf 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -154,7 +154,6 @@ void QDeclarativeFlickablePrivate::init()
 */
 qreal QDeclarativeFlickablePrivate::overShootDistance(qreal velocity, qreal size)
 {
-    Q_Q(QDeclarativeFlickable);
     if (maxVelocity <= 0)
         return 0.0;
 
diff --git a/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp b/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp
index cd72ef9..693fd20 100644
--- a/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp
+++ b/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp
@@ -1268,7 +1268,6 @@ void QDeclarativeVisualDataModel::_q_dataChanged(const QModelIndex &begin, const
 
 void QDeclarativeVisualDataModel::_q_modelReset()
 {
-    Q_D(QDeclarativeVisualDataModel);
     emit modelReset();
 }
 
diff --git a/src/declarative/qml/qdeclarativelist.h b/src/declarative/qml/qdeclarativelist.h
index 8d59384..eac4967 100644
--- a/src/declarative/qml/qdeclarativelist.h
+++ b/src/declarative/qml/qdeclarativelist.h
@@ -53,7 +53,7 @@ QT_BEGIN_NAMESPACE
 QT_MODULE(Declarative)
 
 class QObject;
-class QMetaObject;
+struct QMetaObject;
 template<typename T>
 struct QDeclarativeListProperty {
     typedef void (*AppendFunction)(QDeclarativeListProperty<T> *, T*);
diff --git a/src/declarative/util/qdeclarativetimeline_p_p.h b/src/declarative/util/qdeclarativetimeline_p_p.h
index c08c07c..598c897 100644
--- a/src/declarative/util/qdeclarativetimeline_p_p.h
+++ b/src/declarative/util/qdeclarativetimeline_p_p.h
@@ -160,7 +160,7 @@ public:
     QDeclarativeTimeLineObject *callbackObject() const;
 
 private:
-    friend class QDeclarativeTimeLinePrivate; 
+    friend struct QDeclarativeTimeLinePrivate;
     Callback d0;
     void *d1;
     QDeclarativeTimeLineObject *d2;
diff --git a/src/declarative/util/qdeclarativeview.h b/src/declarative/util/qdeclarativeview.h
index 03d8db3..107f3f9 100644
--- a/src/declarative/util/qdeclarativeview.h
+++ b/src/declarative/util/qdeclarativeview.h
@@ -43,6 +43,7 @@
 #define QDECLARATIVEVIEW_H
 
 #include <QtCore/qdatetime.h>
+#include <QtCore/qurl.h>
 #include <QtGui/qgraphicssceneevent.h>
 #include <QtGui/qgraphicsview.h>
 #include <QtGui/qwidget.h>
@@ -64,7 +65,8 @@ class Q_DECLARATIVE_EXPORT QDeclarativeView : public QGraphicsView
     Q_OBJECT
     Q_PROPERTY(ResizeMode resizeMode READ resizeMode WRITE setResizeMode)
     Q_PROPERTY(Status status READ status NOTIFY statusChanged)
-
+    Q_PROPERTY(QUrl source READ source WRITE setSource DESIGNABLE true)
+    Q_ENUMS(ResizeMode Status)
 public:
     explicit QDeclarativeView(QWidget *parent = 0);
     QDeclarativeView(const QUrl &source, QWidget *parent = 0);
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 365afdd..6bc02cc 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5972,12 +5972,12 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
 
     QList<QGesture *> allGestures = event->gestures();
     DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:"
-            << "Delivering gestures:" <<  allGestures;
+            << "Gestures:" <<  allGestures;
 
     QSet<QGesture *> startedGestures;
-    QPoint delta = graphicsView->mapFromGlobal(QPoint());
-    QTransform toScene =  QTransform::fromTranslate(delta.x(), delta.y())
-                          * graphicsView->viewportTransform().inverted();
+    QPoint delta = viewport->mapFromGlobal(QPoint());
+    QTransform toScene = QTransform::fromTranslate(delta.x(), delta.y())
+                         * graphicsView->viewportTransform().inverted();
     foreach (QGesture *gesture, allGestures) {
         // cache scene coordinates of the hot spot
         if (gesture->hasHotSpot()) {
@@ -6003,7 +6003,8 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
         cachedTargetItems = cachedItemGestures.keys();
         qSort(cachedTargetItems.begin(), cachedTargetItems.end(), qt_closestItemFirst);
         DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:"
-                << "Conflicting gestures:" <<  conflictedGestures;
+                << "Normal gestures:" << normalGestures
+                << "Conflicting gestures:" << conflictedGestures;
 
         // deliver conflicted gestures as override events AND remember
         // initial gesture targets
@@ -6080,6 +6081,10 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
             const Qt::GestureFlags flags = d->gestureContext.value(gesture->gestureType());
             if (flags & Qt::IgnoredGesturesPropagateToParent)
                 parentPropagatedGestures.insert(gesture);
+        } else {
+            DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:"
+                    << "no target for" << gesture << "at"
+                    << gesture->hotSpot() << gesture->d_func()->sceneHotSpot;
         }
     }
     qSort(cachedTargetItems.begin(), cachedTargetItems.end(), qt_closestItemFirst);
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 4ec2ae2..fea8c37 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -498,9 +498,7 @@ inline bool QApplicationPrivate::isAlien(QWidget *widget)
 {
     if (!widget)
         return false;
-#if defined(Q_WS_MAC) // Fake alien behavior on the Mac :)
-    return !widget->isWindow() && widget->window()->testAttribute(Qt::WA_DontShowOnScreen);
-#elif defined(Q_WS_QWS)
+#if defined(Q_WS_QWS)
     return !widget->isWindow()
 # ifdef Q_BACKINGSTORE_SUBSURFACES
         && !(widget->d_func()->maybeTopData() && widget->d_func()->maybeTopData()->windowSurface)
@@ -2311,6 +2309,19 @@ static bool qt_detectRTLLanguage()
                          " languages or to 'RTL' in right-to-left languages (such as Hebrew"
                          " and Arabic) to get proper widget layout.") == QLatin1String("RTL"));
 }
+#if defined(QT_MAC_USE_COCOA)
+static const char *application_menu_strings[] = {
+    QT_TRANSLATE_NOOP("MAC_APPLICATION_MENU","Services"),
+    QT_TRANSLATE_NOOP("MAC_APPLICATION_MENU","Hide %1"),
+    QT_TRANSLATE_NOOP("MAC_APPLICATION_MENU","Hide Others"),
+    QT_TRANSLATE_NOOP("MAC_APPLICATION_MENU","Show All")
+    };
+QString qt_mac_applicationmenu_string(int type)
+{
+    return qApp->translate("MAC_APPLICATION_MENU",
+                           application_menu_strings[type]);
+}
+#endif
 #endif
 
 /*!\reimp
@@ -2339,6 +2350,9 @@ bool QApplication::event(QEvent *e)
 #ifndef QT_NO_TRANSLATION
         setLayoutDirection(qt_detectRTLLanguage()?Qt::RightToLeft:Qt::LeftToRight);
 #endif
+#if defined(QT_MAC_USE_COCOA)
+        qt_mac_post_retranslateAppMenu();
+#endif
         QWidgetList list = topLevelWidgets();
         for (int i = 0; i < list.size(); ++i) {
             QWidget *w = list.at(i);
@@ -3013,7 +3027,7 @@ bool QApplicationPrivate::sendMouseEvent(QWidget *receiver, QMouseEvent *event,
     return result;
 }
 
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_WS_MAC)
 /*
     This function should only be called when the widget changes visibility, i.e.
     when the \a widget is shown, hidden or deleted. This function does nothing
@@ -3073,7 +3087,7 @@ void QApplicationPrivate::sendSyntheticEnterLeave(QWidget *widget)
     sendMouseEvent(widgetUnderCursor, &e, widgetUnderCursor, tlw, &qt_button_down, qt_last_mouse_receiver);
 #endif // QT_NO_CURSOR
 }
-#endif // Q_WS_WIN || Q_WS_X11
+#endif // Q_WS_WIN || Q_WS_X11 || Q_WS_MAC
 
 /*!
     Returns the desktop widget (also called the root window).
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index babfc72..c7d0e48 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -184,7 +184,8 @@ bool qt_mac_app_fullscreen = false;
 bool qt_scrollbar_jump_to_pos = false;
 static bool qt_mac_collapse_on_dblclick = true;
 extern int qt_antialiasing_threshold; // from qapplication.cpp
-QPointer<QWidget> qt_button_down;                // widget got last button-down
+QWidget * qt_button_down;                // widget got last button-down
+QPointer<QWidget> qt_last_mouse_receiver;
 #ifndef QT_MAC_USE_COCOA
 static bool qt_button_down_in_content; // whether the button_down was in the content area.
 static bool qt_mac_previous_press_in_popup_mode = false;
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index e0a6103..8653dec 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -514,7 +514,7 @@ public:
     int symbianResourceChange(const QSymbianEvent *symbianEvent);
 
 #endif
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC)
     void sendSyntheticEnterLeave(QWidget *widget);
 #endif
 
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index 573b763..35d156a 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -48,6 +48,7 @@
 #include <private/qt_mac_p.h>
 #include <private/qmenubar_p.h>
 #include <qmenubar.h>
+#include <private/qt_cocoa_helpers_mac_p.h>
 
 QT_FORWARD_DECLARE_CLASS(QCFString)
 QT_FORWARD_DECLARE_CLASS(QString)
@@ -58,6 +59,10 @@ QT_USE_NAMESPACE
 
 - (void)awakeFromNib
 {
+    servicesItem = [[appMenu itemWithTitle:@"Services"] retain];
+    hideAllOthersItem = [[appMenu itemWithTitle:@"Hide Others"] retain];
+    showAllItem = [[appMenu itemWithTitle:@"Show All"] retain];
+
     // Get the names in the nib to match the app name set by Qt.
     NSString *appName = reinterpret_cast<const NSString*>(QCFString::toCFStringRef(qAppName()));
     [quitItem setTitle:[[quitItem title] stringByReplacingOccurrencesOfString:@"NewApplication"
@@ -119,6 +124,10 @@ QT_USE_NAMESPACE
 
 - (void)dealloc
 {
+    [servicesItem release];
+    [hideAllOthersItem release];
+    [showAllItem release];
+
     [lastAppSpecificItem release];
     [theMenu release];
     [appMenu release];
@@ -214,6 +223,17 @@ QT_USE_NAMESPACE
     QMenuBarPrivate::macUpdateMenuBarImmediatly();
 }
 
+- (void)qtTranslateApplicationMenu
+{
+#ifndef QT_NO_TRANSLATION
+    extern QString qt_mac_applicationmenu_string(int type);
+    [servicesItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(0))];
+    [hideItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(1).arg(qAppName()))];
+    [hideAllOthersItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(2))];
+    [showAllItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(3))];
+#endif
+}
+
 - (IBAction)qtDispatcherToQAction:(id)sender
 {
     QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);
diff --git a/src/gui/kernel/qcocoamenuloader_mac_p.h b/src/gui/kernel/qcocoamenuloader_mac_p.h
index 2504b8c..a75ad0a 100644
--- a/src/gui/kernel/qcocoamenuloader_mac_p.h
+++ b/src/gui/kernel/qcocoamenuloader_mac_p.h
@@ -67,7 +67,9 @@
     IBOutlet NSMenuItem *aboutQtItem;
     IBOutlet NSMenuItem *hideItem;
     NSMenuItem *lastAppSpecificItem;
-
+    NSMenuItem *servicesItem;
+    NSMenuItem *hideAllOthersItem;
+    NSMenuItem *showAllItem;
 }
 - (void)ensureAppMenuInMenu:(NSMenu *)menu;
 - (void)removeActionsFromAppMenu;
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 6a16403..f7cb21f 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -185,6 +185,9 @@ extern "C" {
     extern NSString *NSTextInputReplacementRangeAttributeName;
 }
 
+#ifdef ALIEN_DEBUG
+static int qCocoaViewCount = 0;
+#endif
 
 @implementation QT_MANGLE_NAMESPACE(QCocoaView)
 
@@ -195,6 +198,12 @@ extern "C" {
         [self finishInitWithQWidget:widget widgetPrivate:widgetprivate];
     }
     composingText = new QString();
+
+#ifdef ALIEN_DEBUG
+    ++qCocoaViewCount;
+    qDebug() << "init: qCocoaViewCount is" << qCocoaViewCount;
+#endif
+
     composing = false;
     sendKeyEvents = true;
     [self setHidden:YES];
@@ -414,6 +423,12 @@ extern "C" {
 {
     delete composingText;
     [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+#ifdef ALIEN_DEBUG
+    --qCocoaViewCount;
+    qDebug() << "qCocoaViewCount is" << qCocoaViewCount;
+#endif
+
     [super dealloc];
 }
 
@@ -523,6 +538,10 @@ extern "C" {
             CGContextClearRect(cg, NSRectToCGRect(aRect));
         }
 
+        // Check for alien widgets, use qwidgetPrivate->drawWidget() to draw the widget if this
+        // is the case. This makes sure child widgets are drawn as well, Cocoa does not know about
+        // those and wont send them drawRect calls.
+        if (qwidget->testAttribute(Qt::WA_NativeWindow) && qt_widget_private(qwidget)->hasAlienChildren == false) {
         if (engine && !qwidget->testAttribute(Qt::WA_NoSystemBackground)
             && (qwidget->isWindow() || qwidget->autoFillBackground())
                 || qwidget->testAttribute(Qt::WA_TintedBackground)
@@ -542,6 +561,12 @@ extern "C" {
         e.setErased(true);
 #endif
         qt_sendSpontaneousEvent(qwidget, &e);
+        } else {
+           qwidget->setAttribute(Qt::WA_WState_InPaintEvent, false); // QWidgetPrivate::drawWidget sets this
+           QWidgetPrivate *qwidgetPrivate = qt_widget_private(qwidget);
+           qwidgetPrivate->drawWidget(qwidget, qrgn, QPoint(), QWidgetPrivate::DrawAsRoot | QWidgetPrivate::DrawPaintOnScreen | QWidgetPrivate::DrawRecursive, 0);
+        }
+
         if (!redirectionOffset.isNull())
             QPainter::restoreRedirected(qwidget);
         if (engine)
@@ -1003,7 +1028,10 @@ extern "C" {
 {
     if (!qwidget)
         return NO;
-    if (qwidget->isWindow())
+    // Before accepting the focus for a window, we check that
+    // the focusWidget (if any) is not contained in the same window.
+    if (qwidget->isWindow() && (!qApp->focusWidget()
+				|| qApp->focusWidget()->window() != qwidget))
         return YES;  // Always do it, so that windows can accept key press events.
     return qwidget->focusPolicy() != Qt::NoFocus;
 }
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index c776b2a..3fbd978 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -139,7 +139,7 @@ void QMacWindowFader::performFade()
 
 extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // qapplication.cpp;
 extern QWidget * mac_mouse_grabber;
-extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
+extern QWidget *qt_button_down; //qapplication_mac.cpp
 
 void macWindowFade(void * /*OSWindowRef*/ window, float durationSeconds)
 {
@@ -686,6 +686,12 @@ bool qt_dispatchKeyEvent(void * /*NSEvent * */ keyEvent, QWidget *widgetToGetEve
     if ([event type] == NSKeyDown) {
         qt_keymapper_private()->updateKeyMap(0, key_event, 0);
     }
+
+    // Redirect keys to alien widgets.
+    if (widgetToGetEvent->testAttribute(Qt::WA_NativeWindow) == false) {
+        widgetToGetEvent = qApp->focusWidget();
+    }
+
     if (widgetToGetEvent == 0)
         return false;
 
@@ -940,7 +946,7 @@ bool qt_mac_handleMouseEvent(void * /* NSView * */view, void * /* NSEvent * */ev
                 [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(tmpView) qt_qwidget];
         }
     } else {
-        extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
+        extern QWidget * qt_button_down; //qapplication_mac.cpp
         QPoint pos;
         widgetToGetMouse = QApplicationPrivate::pickMouseReceiver(qwidget, qglobalPoint,
                                                                   pos, eventType,
@@ -952,7 +958,20 @@ bool qt_mac_handleMouseEvent(void * /* NSView * */view, void * /* NSEvent * */ev
         return false;
 
     NSPoint localPoint = [tmpView convertPoint:windowPoint fromView:nil];
-    QPoint qlocalPoint(localPoint.x, localPoint.y);
+    QPoint qlocalPoint = QPoint(localPoint.x, localPoint.y);
+
+    // Search for alien child widgets (either on this qwidget or on the popup)
+    if (widgetToGetMouse->testAttribute(Qt::WA_NativeWindow) == false || qt_widget_private(widgetToGetMouse)->hasAlienChildren) {
+        QPoint qScreenPoint = flipPoint(globalPoint).toPoint();
+#ifdef ALIEN_DEBUG
+        qDebug() << "alien mouse event" << qScreenPoint << possibleAlien;
+#endif
+        QWidget *possibleAlien =  widgetToGetMouse->childAt(qlocalPoint);
+        if (possibleAlien) {
+            qlocalPoint = possibleAlien->mapFromGlobal(widgetToGetMouse->mapToGlobal(qlocalPoint));
+            widgetToGetMouse = possibleAlien;
+        }
+    }
 
     EventRef carbonEvent = static_cast<EventRef>(const_cast<void *>([theEvent eventRef]));
     if (qt_mac_sendMacEventToWidget(widgetToGetMouse, carbonEvent))
@@ -997,7 +1016,19 @@ bool qt_mac_handleMouseEvent(void * /* NSView * */view, void * /* NSEvent * */ev
     }
     [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent]->localPoint = localPoint;
     QMouseEvent qme(eventType, qlocalPoint, qglobalPoint, button, buttons, keyMods);
-    qt_sendSpontaneousEvent(widgetToGetMouse, &qme);
+
+#ifdef ALIEN_DEBUG
+    qDebug() << "sending mouse event to" << widgetToGetMouse;
+#endif
+    extern QWidget *qt_button_down;
+    extern QPointer<QWidget> qt_last_mouse_receiver;
+
+    if (qwidget->testAttribute(Qt::WA_NativeWindow) && qt_widget_private(qwidget)->hasAlienChildren == false)
+        qt_sendSpontaneousEvent(widgetToGetMouse, &qme);
+    else
+        QApplicationPrivate::sendMouseEvent(widgetToGetMouse, &qme, widgetToGetMouse, qwidget, &qt_button_down,
+                                            qt_last_mouse_receiver);
+
     if (eventType == QEvent::MouseButtonPress && button == Qt::RightButton) {
         QContextMenuEvent qcme(QContextMenuEvent::Mouse, qlocalPoint, qglobalPoint, keyMods);
         qt_sendSpontaneousEvent(widgetToGetMouse, &qcme);
@@ -1355,4 +1386,12 @@ QMacCocoaAutoReleasePool::~QMacCocoaAutoReleasePool()
     [(NSAutoreleasePool*)pool release];
 }
 
+void qt_mac_post_retranslateAppMenu()
+{
+#ifdef QT_MAC_USE_COCOA
+    QMacCocoaAutoReleasePool pool;
+    qt_cocoaPostMessage([NSApp QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader)], @selector(qtTranslateApplicationMenu));
+#endif
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac_p.h b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
index c43ea55..3fd62a4 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac_p.h
+++ b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
@@ -208,4 +208,6 @@ bool qt_cocoaPostMessage(id target, SEL selector);
 
 #endif
 
+void qt_mac_post_retranslateAppMenu();
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 2f6ec6b..14fecb0 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -205,6 +205,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , nativeGesturePanEnabled(0)
 #elif defined(Q_WS_MAC)
       , needWindowChange(0)
+      , hasAlienChildren(0)
       , window_event(0)
       , qd_hd(0)
 #endif
@@ -1121,7 +1122,8 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
         qFatal("QWidget: Cannot create a QWidget when no GUI is being used");
 
     Q_ASSERT(allWidgets);
-    allWidgets->insert(q);
+    if (allWidgets)
+        allWidgets->insert(q);
 
     QWidget *desktopWidget = 0;
     if (parentWidget && parentWidget->windowType() == Qt::Desktop) {
@@ -1168,6 +1170,10 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
     if (f & Qt::MSWindowsOwnDC)
         q->setAttribute(Qt::WA_NativeWindow);
 
+#ifdef Q_WS_MAC
+    q->setAttribute(Qt::WA_NativeWindow);
+#endif
+
     q->setAttribute(Qt::WA_QuitOnClose); // might be cleared in adjustQuitOnCloseAttribute()
     adjustQuitOnCloseAttribute();
 
@@ -1263,6 +1269,10 @@ void QWidget::create(WId window, bool initializeWindow, bool destroyOldWindow)
     }
 
     if (QWidget *parent = parentWidget()) {
+#ifdef Q_WS_MAC
+        if (testAttribute(Qt::WA_NativeWindow) == false)
+            parent->d_func()->hasAlienChildren = true;
+#endif
         if (type & Qt::Window) {
             if (!parent->testAttribute(Qt::WA_WState_Created))
                 parent->createWinId();
@@ -1433,7 +1443,7 @@ QWidget::~QWidget()
         }
     }
 
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC)
     else if (!internalWinId() && isVisible()) {
         qApp->d_func()->sendSyntheticEnterLeave(this);
 #ifdef Q_WS_QWS
@@ -2306,6 +2316,9 @@ QWidget *QWidget::find(WId id)
 WId QWidget::winId() const
 {
     if (!testAttribute(Qt::WA_WState_Created) || !internalWinId()) {
+#ifdef ALIEN_DEBUG
+        qDebug() << "QWidget::winId: creating native window for" << this;
+#endif
         QWidget *that = const_cast<QWidget*>(this);
         that->setAttribute(Qt::WA_NativeWindow);
         that->d_func()->createWinId();
@@ -2318,6 +2331,10 @@ WId QWidget::winId() const
 void QWidgetPrivate::createWinId(WId winid)
 {
     Q_Q(QWidget);
+
+#ifdef ALIEN_DEBUG
+    qDebug() << "QWidgetPrivate::createWinId for" << q << winid;
+#endif
     const bool forceNativeWindow = q->testAttribute(Qt::WA_NativeWindow);
     if (!q->testAttribute(Qt::WA_WState_Created) || (forceNativeWindow && !q->internalWinId())) {
         if (!q->isWindow()) {
@@ -2360,6 +2377,9 @@ Ensures that the widget has a window system identifier, i.e. that it is known to
 void QWidget::createWinId()
 {
     Q_D(QWidget);
+#ifdef ALIEN_DEBUG
+    qDebug()  << "QWidget::createWinId" << this;
+#endif
 //    qWarning("QWidget::createWinId is obsolete, please fix your code.");
     d->createWinId();
 }
@@ -5249,7 +5269,15 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
             QPaintEngine *paintEngine = pdev->paintEngine();
             if (paintEngine) {
                 setRedirected(pdev, -offset);
+#ifdef Q_WS_MAC
+                // (Alien support) Special case for Mac when redirecting: If the paint device
+                // is of the Widget type we need to set WA_WState_InPaintEvent since painting
+                // outside the paint event is not supported on QWidgets. The attributeis
+                // restored further down.
+                if (pdev->devType() == QInternal::Widget)
+                    static_cast<QWidget *>(pdev)->setAttribute(Qt::WA_WState_InPaintEvent);
 
+#endif
                 if (sharedPainter)
                     paintEngine->d_func()->systemClip = toBePainted;
                 else
@@ -5290,6 +5318,10 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
 
             //restore
             if (paintEngine) {
+#ifdef Q_WS_MAC
+                if (pdev->devType() == QInternal::Widget)
+                    static_cast<QWidget *>(pdev)->setAttribute(Qt::WA_WState_InPaintEvent, false);
+#endif
                 restoreRedirected();
                 if (!sharedPainter)
                     paintEngine->d_func()->systemRect = QRect();
@@ -6469,7 +6501,7 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second)
 //    QWidget *fp = first->d_func()->focus_prev;
     QWidget *fn = first->d_func()->focus_next;
 
-    if (fn == second)
+    if (fn == second || first == second)
         return;
 
     QWidget *sp = second->d_func()->focus_prev;
@@ -7322,7 +7354,7 @@ void QWidgetPrivate::hide_helper()
     // next bit tries to move the focus if the focus widget is now
     // hidden.
     if (wasVisible) {
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC)
         qApp->d_func()->sendSyntheticEnterLeave(q);
 #endif
 
@@ -7454,7 +7486,7 @@ void QWidget::setVisible(bool visible)
 
             d->show_helper();
 
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC)
             qApp->d_func()->sendSyntheticEnterLeave(this);
 #endif
         }
@@ -7569,7 +7601,7 @@ void QWidgetPrivate::hideChildren(bool spontaneous)
                 widget->d_func()->hide_sys();
             }
         }
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC)
         qApp->d_func()->sendSyntheticEnterLeave(widget);
 #endif
 #ifndef QT_NO_ACCESSIBILITY
@@ -9787,7 +9819,7 @@ void QWidget::setParent(QWidget *parent, Qt::WindowFlags f)
         desktopWidget = parent;
     bool newParent = (parent != parentWidget()) || !wasCreated || desktopWidget;
 
-#if defined(Q_WS_X11) || defined(Q_WS_WIN)
+#if defined(Q_WS_X11) || defined(Q_WS_WIN) || defined(Q_WS_MAC)
     if (newParent && parent && !desktopWidget) {
         if (testAttribute(Qt::WA_NativeWindow) && !qApp->testAttribute(Qt::AA_DontCreateNativeWidgetSiblings))
             parent->d_func()->enforceNativeChildren();
@@ -10262,6 +10294,29 @@ const QPixmap *QWidget::icon() const
 
 #endif // QT3_SUPPORT
 
+ /*!
+  \internal
+
+  This just sets the corresponding attribute bit to 1 or 0
+ */
+static void setAttribute_internal(Qt::WidgetAttribute attribute, bool on, QWidgetData *data,
+                                  QWidgetPrivate *d)
+{
+    if (attribute < int(8*sizeof(uint))) {
+        if (on)
+            data->widget_attributes |= (1<<attribute);
+        else
+            data->widget_attributes &= ~(1<<attribute);
+    } else {
+        const int x = attribute - 8*sizeof(uint);
+        const int int_off = x / (8*sizeof(uint));
+        if (on)
+            d->high_attributes[int_off] |= (1<<(x-(int_off*8*sizeof(uint))));
+        else
+            d->high_attributes[int_off] &= ~(1<<(x-(int_off*8*sizeof(uint))));
+    }
+}
+
 /*!
     Sets the attribute \a attribute on this widget if \a on is true;
     otherwise clears the attribute.
@@ -10288,19 +10343,7 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
     }
 #endif
 
-    if (attribute < int(8*sizeof(uint))) {
-        if (on)
-            data->widget_attributes |= (1<<attribute);
-        else
-            data->widget_attributes &= ~(1<<attribute);
-    } else {
-        const int x = attribute - 8*sizeof(uint);
-        const int int_off = x / (8*sizeof(uint));
-        if (on)
-            d->high_attributes[int_off] |= (1<<(x-(int_off*8*sizeof(uint))));
-        else
-            d->high_attributes[int_off] &= ~(1<<(x-(int_off*8*sizeof(uint))));
-    }
+    setAttribute_internal(attribute, on, data, d);
 
     switch (attribute) {
 
@@ -10359,14 +10402,11 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
 #ifdef Q_WS_MAC
         {
             // We can only have one of these set at a time
-            static const int MacSizes[] = { Qt::WA_MacNormalSize, Qt::WA_MacSmallSize,
-                                            Qt::WA_MacMiniSize, 0 };
-            for (int i = 0; MacSizes[i] != 0; ++i) {
-                if (MacSizes[i] == attribute)
-                    continue;
-                int macsize_x = MacSizes[i] - 8*sizeof(uint);
-                int macsize_int_off = macsize_x / (8*sizeof(uint));
-                d->high_attributes[macsize_int_off] &= ~(1<<(macsize_x-(macsize_int_off*8*sizeof(uint))));
+            const Qt::WidgetAttribute MacSizes[] = { Qt::WA_MacNormalSize, Qt::WA_MacSmallSize,
+                                                     Qt::WA_MacMiniSize };
+            for (int i = 0; i < 3; ++i) {
+                if (MacSizes[i] != attribute)
+                    setAttribute_internal(MacSizes[i], false, data, d);
             }
             d->macUpdateSizeAttribute();
         }
@@ -10433,7 +10473,7 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
     }
     case Qt::WA_PaintOnScreen:
         d->updateIsOpaque();
-#if defined(Q_WS_WIN) || defined(Q_WS_X11)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_MAC)
         // Recreate the widget if it's already created as an alien widget and
         // WA_PaintOnScreen is enabled. Paint on screen widgets must have win id.
         // So must their children.
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index dcb87fc..6d8c97b 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -459,7 +459,13 @@ static bool qt_isGenuineQWidget(OSViewRef ref)
 
 bool qt_isGenuineQWidget(const QWidget *window)
 {
-    return window && qt_isGenuineQWidget(OSViewRef(window->winId()));
+    if (!window)
+        return false;
+
+    if (!window->internalWinId())
+        return true;  //alien
+
+    return qt_isGenuineQWidget(OSViewRef(window->internalWinId()));
 }
 
 Q_GUI_EXPORT OSWindowRef qt_mac_window_for(const QWidget *w)
@@ -2608,7 +2614,16 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
         }
     } else {
         data.fstrut_dirty = false; // non-toplevel widgets don't have a frame, so no need to update the strut
-        if(OSViewRef osview = qt_mac_create_widget(q, this, qt_mac_nativeview_for(parentWidget))) {
+
+#ifdef QT_MAC_USE_COCOA
+        if (q->testAttribute(Qt::WA_NativeWindow) == false ||
+            q->internalWinId() != 0) {
+#ifdef ALIEN_DEBUG
+            qDebug() << "Skipping native widget creation for" << this;
+#endif
+        } else
+#endif
+        if (OSViewRef osview = qt_mac_create_widget(q, this, qt_mac_nativeview_for(parentWidget))) {
 #ifndef QT_MAC_USE_COCOA
             HIRect bounds = CGRectMake(data.crect.x(), data.crect.y(), data.crect.width(), data.crect.height());
             HIViewSetFrame(osview, &bounds);
@@ -2869,9 +2884,12 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
     q->setAttribute(Qt::WA_WState_Visible, false);
     q->setAttribute(Qt::WA_WState_Hidden, false);
     adjustFlags(data.window_flags, q);
-    // keep compatibility with previous versions, we need to preserve the created state
-    // (but we recreate the winId for the widget being reparented, again for compatibility)
-    if (wasCreated || (!q->isWindow() && parent->testAttribute(Qt::WA_WState_Created))) {
+    // keep compatibility with previous versions, we need to preserve the created state.
+    // (but we recreate the winId for the widget being reparented, again for compatibility,
+    // unless this is an alien widget. )
+    const bool nonWindowWithCreatedParent = !q->isWindow() && parent->testAttribute(Qt::WA_WState_Created);
+    const bool nativeWidget = q->internalWinId() != 0;
+    if (wasCreated || nativeWidget && nonWindowWithCreatedParent) {
         createWinId();
         if (q->isWindow()) {
 #ifndef QT_MAC_USE_COCOA
@@ -2955,7 +2973,7 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
 QPoint QWidget::mapToGlobal(const QPoint &pos) const
 {
     Q_D(const QWidget);
-    if (!testAttribute(Qt::WA_WState_Created)) {
+    if (!testAttribute(Qt::WA_WState_Created) || !internalWinId()) {
         QPoint p = pos + data->crect.topLeft();
         return isWindow() ?  p : parentWidget()->mapToGlobal(p);
     }
@@ -2982,7 +3000,7 @@ QPoint QWidget::mapToGlobal(const QPoint &pos) const
 QPoint QWidget::mapFromGlobal(const QPoint &pos) const
 {
     Q_D(const QWidget);
-    if (!testAttribute(Qt::WA_WState_Created)) {
+    if (!testAttribute(Qt::WA_WState_Created) || !internalWinId()) {
         QPoint p = isWindow() ?  pos : parentWidget()->mapFromGlobal(pos);
         return p - data->crect.topLeft();
     }
@@ -3320,10 +3338,20 @@ void QWidgetPrivate::update_sys(const QRegion &rgn)
     }
 #else
     // Cocoa doesn't do regions, it seems more efficient to just update the bounding rect instead of a potential number of message passes for each rect.
-    const QRect &boundingRect = rgn.boundingRect();
-    [qt_mac_nativeview_for(q) setNeedsDisplayInRect:NSMakeRect(boundingRect.x(),
-                                                            boundingRect.y(), boundingRect.width(),
-                                                            boundingRect.height())];
+    const QRect & boundingRect = rgn.boundingRect();
+
+    // Alien support: get the first native ancestor widget (will be q itself in the non-alien case),
+    // map the coordinates from q space to NSView space and invalidate the rect.
+    QWidget *nativeParent = q->internalWinId() ? q : q->nativeParentWidget();
+    if (nativeParent == 0)
+            return;
+    const QRect nativeBoundingRect = QRect(
+            QPoint(q->mapTo(nativeParent, boundingRect.topLeft())),
+            QSize(boundingRect.size()));
+
+    [qt_mac_nativeview_for(nativeParent) setNeedsDisplayInRect:NSMakeRect(nativeBoundingRect.x(),
+                                                            nativeBoundingRect.y(), nativeBoundingRect.width(),
+                                                            nativeBoundingRect.height())];
 #endif
 }
 
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index efd9a0a..2cb8586 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -720,6 +720,7 @@ public:
 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
     // This is new stuff
     uint needWindowChange : 1;
+    uint hasAlienChildren : 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/painting/qcolor.cpp b/src/gui/painting/qcolor.cpp
index 0b735a2..cd448a7 100644
--- a/src/gui/painting/qcolor.cpp
+++ b/src/gui/painting/qcolor.cpp
@@ -548,14 +548,14 @@ void QColor::setNamedColor(const QString &name)
 */
 bool QColor::isValidColor(const QString &name)
 {
-    return QColor().setColorFromString(name);
+    return !name.isEmpty() && QColor().setColorFromString(name);
 }
 
 bool QColor::setColorFromString(const QString &name)
 {
     if (name.isEmpty()) {
         invalidate();
-        return false;
+        return true;
     }
 
     if (name.startsWith(QLatin1Char('#'))) {
diff --git a/src/gui/styles/qgtkpainter.cpp b/src/gui/styles/qgtkpainter.cpp
index 6cc7455..1f68f2f 100644
--- a/src/gui/styles/qgtkpainter.cpp
+++ b/src/gui/styles/qgtkpainter.cpp
@@ -142,7 +142,7 @@ QPixmap QGtkPainter::renderTheme(uchar *bdata, uchar *wdata, const QRect &rect)
     }
 
 QGtkPainter::QGtkPainter(QPainter *_painter)
-        : m_window(QGtkStylePrivate::gtkWidget(QLatin1String("GtkWindow")))
+        : m_window(QGtkStylePrivate::gtkWidget("GtkWindow"))
         , m_painter(_painter)
         , m_alpha(true)
         , m_hflipped(false)
diff --git a/src/gui/styles/qgtkstyle.cpp b/src/gui/styles/qgtkstyle.cpp
index b5f052b..e2de43a 100644
--- a/src/gui/styles/qgtkstyle.cpp
+++ b/src/gui/styles/qgtkstyle.cpp
@@ -222,7 +222,7 @@ QPalette QGtkStyle::standardPalette() const
     QPalette palette = QCleanlooksStyle::standardPalette();
     if (d->isThemeAvailable()) {
         GtkStyle *style = d->gtkStyle();
-        GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+        GtkWidget *gtkButton = d->gtkWidget("GtkButton");
         GtkWidget *gtkEntry = d->getTextColorWidget();
 
         GdkColor gdkBg, gdkBase, gdkText, gdkForeground, gdkSbg, gdkSfg;
@@ -253,7 +253,7 @@ QPalette QGtkStyle::standardPalette() const
         palette.setColor(QPalette::Base, base);
 
         QColor alternateRowColor = palette.base().color().lighter(93); // ref gtkstyle.c draw_flat_box
-        GtkWidget *gtkTreeView = d->gtkWidget(QLS("GtkTreeView"));
+        GtkWidget *gtkTreeView = d->gtkWidget("GtkTreeView");
         GdkColor *gtkAltBase = NULL;
         d->gtk_widget_style_get(gtkTreeView, "odd-row-color", &gtkAltBase, NULL);
         if (gtkAltBase) {
@@ -421,14 +421,14 @@ int QGtkStyle::pixelMetric(PixelMetric metric,
         return 0;
 
     case PM_ButtonShiftHorizontal: {
-        GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+        GtkWidget *gtkButton = d->gtkWidget("GtkButton");
         guint horizontal_shift;
         d->gtk_widget_style_get(gtkButton, "child-displacement-x", &horizontal_shift, NULL);
         return horizontal_shift;
     }
 
     case PM_ButtonShiftVertical: {
-        GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+        GtkWidget *gtkButton = d->gtkWidget("GtkButton");
         guint vertical_shift;
         d->gtk_widget_style_get(gtkButton, "child-displacement-y", &vertical_shift, NULL);
         return vertical_shift;
@@ -438,7 +438,7 @@ int QGtkStyle::pixelMetric(PixelMetric metric,
         return 0;
 
     case PM_MenuPanelWidth: {
-        GtkWidget *gtkMenu = d->gtkWidget(QLS("GtkMenu"));
+        GtkWidget *gtkMenu = d->gtkWidget("GtkMenu");
         guint horizontal_padding = 0;
         // horizontal-padding is used by Maemo to get thicker borders
         if (!d->gtk_check_version(2, 10, 0))
@@ -495,7 +495,7 @@ int QGtkStyle::pixelMetric(PixelMetric metric,
 
     case PM_SliderThickness:
     case PM_SliderControlThickness: {
-        GtkWidget *gtkScale = d->gtkWidget(QLS("GtkHScale"));
+        GtkWidget *gtkScale = d->gtkWidget("GtkHScale");
         gint val;
         d->gtk_widget_style_get(gtkScale, "slider-width", &val, NULL);
         if (metric == PM_SliderControlThickness)
@@ -506,7 +506,7 @@ int QGtkStyle::pixelMetric(PixelMetric metric,
     case PM_ScrollBarExtent: {
         gint sliderLength;
         gint trough_border;
-        GtkWidget *hScrollbar = d->gtkWidget(QLS("GtkHScrollbar"));
+        GtkWidget *hScrollbar = d->gtkWidget("GtkHScrollbar");
         d->gtk_widget_style_get(hScrollbar,
                                "trough-border",   &trough_border,
                                "slider-width",    &sliderLength,
@@ -519,34 +519,34 @@ int QGtkStyle::pixelMetric(PixelMetric metric,
 
     case PM_SliderLength:
         gint val;
-        d->gtk_widget_style_get(d->gtkWidget(QLS("GtkHScale")), "slider-length", &val, NULL);
+        d->gtk_widget_style_get(d->gtkWidget("GtkHScale"), "slider-length", &val, NULL);
         return val;
 
     case PM_ExclusiveIndicatorWidth:
     case PM_ExclusiveIndicatorHeight:
     case PM_IndicatorWidth:
     case PM_IndicatorHeight: {
-        GtkWidget *gtkCheckButton = d->gtkWidget(QLS("GtkCheckButton"));
+        GtkWidget *gtkCheckButton = d->gtkWidget("GtkCheckButton");
         gint size, spacing;
         d->gtk_widget_style_get(gtkCheckButton, "indicator-spacing", &spacing, "indicator-size", &size, NULL);
         return size + 2 * spacing;
     }
 
     case PM_MenuBarVMargin: {
-        GtkWidget *gtkMenubar = d->gtkWidget(QLS("GtkMenuBar"));
+        GtkWidget *gtkMenubar = d->gtkWidget("GtkMenuBar");
         return  qMax(0, gtkMenubar->style->ythickness);
     }
     case PM_ScrollView_ScrollBarSpacing:
     {
         gint spacing = 3;
-        GtkWidget *gtkScrollWindow = d->gtkWidget(QLS("GtkScrolledWindow"));
+        GtkWidget *gtkScrollWindow = d->gtkWidget("GtkScrolledWindow");
         Q_ASSERT(gtkScrollWindow);
         d->gtk_widget_style_get(gtkScrollWindow, "scrollbar-spacing", &spacing, NULL);
         return spacing;
     }
     case PM_SubMenuOverlap: {
         gint offset = 0;
-        GtkWidget *gtkMenu = d->gtkWidget(QLS("GtkMenu"));
+        GtkWidget *gtkMenu = d->gtkWidget("GtkMenu");
         d->gtk_widget_style_get(gtkMenu, "horizontal-offset", &offset, NULL);
         return offset;
     }
@@ -587,7 +587,7 @@ int QGtkStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidg
     {
         if (d->isKDE4Session())
             return QCleanlooksStyle::styleHint(hint, option, widget, returnData);
-        GtkWidget *gtkToolbar = d->gtkWidget(QLS("GtkToolbar"));
+        GtkWidget *gtkToolbar = d->gtkWidget("GtkToolbar");
         GtkToolbarStyle toolbar_style = GTK_TOOLBAR_ICONS;
         g_object_get(gtkToolbar, "toolbar-style", &toolbar_style, NULL);
         switch (toolbar_style) {
@@ -610,7 +610,7 @@ int QGtkStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidg
         return int(false);
 
     case SH_ComboBox_Popup: {
-        GtkWidget *gtkComboBox = d->gtkWidget(QLS("GtkComboBox"));
+        GtkWidget *gtkComboBox = d->gtkWidget("GtkComboBox");
         gboolean appears_as_list;
         d->gtk_widget_style_get((GtkWidget*)gtkComboBox, "appears-as-list", &appears_as_list, NULL);
         return appears_as_list ? 0 : 1;
@@ -634,7 +634,7 @@ int QGtkStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidg
         if (widget && widget->isWindow())
             scrollbars_within_bevel = true;
         else if (!d->gtk_check_version(2, 12, 0)) {
-            GtkWidget *gtkScrollWindow = d->gtkWidget(QLS("GtkScrolledWindow"));
+            GtkWidget *gtkScrollWindow = d->gtkWidget("GtkScrolledWindow");
             d->gtk_widget_style_get(gtkScrollWindow, "scrollbars-within-bevel", &scrollbars_within_bevel, NULL);
         }
         return !scrollbars_within_bevel;
@@ -712,7 +712,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
             GtkStyle *style = d->gtk_rc_get_style_by_paths(d->gtk_settings_get_default(),
                                      "*.GtkScrolledWindow", "*.GtkScrolledWindow", d->gtk_window_get_type());
             if (style)
-                gtkFramePainter.paintShadow(d->gtkWidget(QLS("GtkFrame")), "viewport", pmRect,
+                gtkFramePainter.paintShadow(d->gtkWidget("GtkFrame"), "viewport", pmRect,
                                          option->state & State_Enabled ? GTK_STATE_NORMAL : GTK_STATE_INSENSITIVE,
                                          shadow_type, style);
             QPixmapCache::insert(pmKey, pixmap);
@@ -739,7 +739,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
     break;
 
     case PE_PanelTipLabel: {
-        GtkWidget *gtkWindow = d->gtkWidget(QLS("GtkWindow")); // The Murrine Engine currently assumes a widget is passed
+        GtkWidget *gtkWindow = d->gtkWidget("GtkWindow"); // The Murrine Engine currently assumes a widget is passed
         style = d->gtk_rc_get_style_by_paths(d->gtk_settings_get_default(), "gtk-tooltips", "GtkWindow",
                 d->gtk_window_get_type());
         gtkPainter.paintFlatBox(gtkWindow, "tooltip", option->rect, GTK_STATE_NORMAL, GTK_SHADOW_NONE, style);
@@ -754,7 +754,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
             break;
         }
         GtkShadowType shadow_type;
-        GtkWidget *gtkStatusbarFrame = d->gtkWidget(QLS("GtkStatusbar.GtkFrame"));
+        GtkWidget *gtkStatusbarFrame = d->gtkWidget("GtkStatusbar.GtkFrame");
         d->gtk_widget_style_get(gtkStatusbarFrame->parent, "shadow-type", &shadow_type, NULL);
         gtkPainter.paintShadow(gtkStatusbarFrame, "frame", option->rect, GTK_STATE_NORMAL,
                                shadow_type, gtkStatusbarFrame->style);
@@ -763,7 +763,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
 
     case PE_IndicatorHeaderArrow:
         if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(option)) {
-            GtkWidget *gtkTreeHeader = d->gtkWidget(QLS("GtkTreeView.GtkButton"));
+            GtkWidget *gtkTreeHeader = d->gtkWidget("GtkTreeView.GtkButton");
             GtkStateType state = gtkPainter.gtkState(option);
             style = gtkTreeHeader->style;
             GtkArrowType type = GTK_ARROW_UP;
@@ -801,7 +801,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
             rect.translate(2, 0);
             GtkExpanderStyle openState = GTK_EXPANDER_EXPANDED;
             GtkExpanderStyle closedState = GTK_EXPANDER_COLLAPSED;
-            GtkWidget *gtkTreeView = d->gtkWidget(QLS("GtkTreeView"));
+            GtkWidget *gtkTreeView = d->gtkWidget("GtkTreeView");
 
             GtkStateType state = GTK_STATE_NORMAL;
             if (!(option->state & State_Enabled))
@@ -837,7 +837,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
     case PE_IndicatorToolBarSeparator:
         {
             const int margin = 6;
-            GtkWidget *gtkSeparator = d->gtkWidget(QLS("GtkToolbar.GtkSeparatorToolItem"));
+            GtkWidget *gtkSeparator = d->gtkWidget("GtkToolbar.GtkSeparatorToolItem");
             if (option->state & State_Horizontal) {
                 const int offset = option->rect.width()/2;
                 QRect rect = option->rect.adjusted(offset, margin, 0, -margin);
@@ -857,7 +857,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
        break;
 
     case PE_IndicatorToolBarHandle: {
-        GtkWidget *gtkToolbar = d->gtkWidget(QLS("GtkToolbar"));
+        GtkWidget *gtkToolbar = d->gtkWidget("GtkToolbar");
         GtkShadowType shadow_type;
         d->gtk_widget_style_get(gtkToolbar, "shadow-type", &shadow_type, NULL);
         //Note when the toolbar is horizontal, the handle is vertical
@@ -905,7 +905,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
         GtkStateType state = gtkPainter.gtkState(option);
 
         QColor arrowColor = option->palette.buttonText().color();
-        GtkWidget *gtkArrow = d->gtkWidget(QLS("GtkArrow"));
+        GtkWidget *gtkArrow = d->gtkWidget("GtkArrow");
         GdkColor color = fromQColor(arrowColor);
         d->gtk_widget_modify_fg (gtkArrow, state, &color);
         gtkPainter.paintArrow(gtkArrow, "button", arrowRect,
@@ -921,7 +921,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
         break;
 
     case PE_PanelMenu: {
-            GtkWidget *gtkMenu = d->gtkWidget(QLS("GtkMenu"));
+            GtkWidget *gtkMenu = d->gtkWidget("GtkMenu");
             gtkPainter.setAlphaSupport(false); // Note, alpha disabled for performance reasons
             gtkPainter.paintBox(gtkMenu, "menu", option->rect, GTK_STATE_NORMAL, GTK_SHADOW_OUT, gtkMenu->style, QString());
         }
@@ -933,7 +933,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
 
         // This is only used by floating tool bars
         if (qobject_cast<const QToolBar *>(widget)) {
-            GtkWidget *gtkMenubar = d->gtkWidget(QLS("GtkMenuBar"));
+            GtkWidget *gtkMenubar = d->gtkWidget("GtkMenuBar");
             gtkPainter.paintBox( gtkMenubar, "toolbar",  option->rect,
                                  GTK_STATE_NORMAL, GTK_SHADOW_OUT, style);
             gtkPainter.paintBox( gtkMenubar, "menu",  option->rect,
@@ -942,7 +942,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
         break;
 
     case PE_FrameLineEdit: {
-        GtkWidget *gtkEntry = d->gtkWidget(QLS("GtkEntry"));
+        GtkWidget *gtkEntry = d->gtkWidget("GtkEntry");
 
 
         gboolean interior_focus;
@@ -976,7 +976,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
 
     case PE_PanelLineEdit:
         if (const QStyleOptionFrame *panel = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
-            GtkWidget *gtkEntry = d->gtkWidget(QLS("GtkEntry"));
+            GtkWidget *gtkEntry = d->gtkWidget("GtkEntry");
             if (panel->lineWidth > 0)
                 proxy()->drawPrimitive(PE_FrameLineEdit, option, painter, widget);
             uint resolve_mask = option->palette.resolve();
@@ -994,7 +994,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
 
     case PE_FrameTabWidget:
         if (const QStyleOptionTabWidgetFrame *frame = qstyleoption_cast<const QStyleOptionTabWidgetFrame*>(option)) {
-            GtkWidget *gtkNotebook = d->gtkWidget(QLS("GtkNotebook"));
+            GtkWidget *gtkNotebook = d->gtkWidget("GtkNotebook");
             style = gtkPainter.getStyle(gtkNotebook);
             gtkPainter.setAlphaSupport(false);
             GtkShadowType shadow = GTK_SHADOW_OUT;
@@ -1042,7 +1042,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
         GtkStateType state = gtkPainter.gtkState(option);
         if (option->state & State_On || option->state & State_Sunken)
             state = GTK_STATE_ACTIVE;
-        GtkWidget *gtkButton = d->gtkWidget(isTool ? QLS("GtkToolButton.GtkButton") : QLS("GtkButton"));
+        GtkWidget *gtkButton = isTool ? d->gtkWidget("GtkToolButton.GtkButton") : d->gtkWidget("GtkButton");
         gint focusWidth, focusPad;
         gboolean interiorFocus = false;
         d->gtk_widget_style_get (gtkButton,
@@ -1098,14 +1098,14 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
         else
             shadow = GTK_SHADOW_OUT;
 
-        GtkWidget *gtkRadioButton = d->gtkWidget(QLS("GtkRadioButton"));
+        GtkWidget *gtkRadioButton = d->gtkWidget("GtkRadioButton");
         gint spacing;
         d->gtk_widget_style_get(gtkRadioButton, "indicator-spacing", &spacing, NULL);
         QRect buttonRect = option->rect.adjusted(spacing, spacing, -spacing, -spacing);
         gtkPainter.setClipRect(option->rect);
         // ### Note: Ubuntulooks breaks when the proper widget is passed
         //           Murrine engine requires a widget not to get RGBA check - warnings
-        GtkWidget *gtkCheckButton = d->gtkWidget(QLS("GtkCheckButton"));
+        GtkWidget *gtkCheckButton = d->gtkWidget("GtkCheckButton");
         QString key(QLS("radiobutton"));
         if (option->state & State_HasFocus) { // Themes such as Nodoka check this flag
             key += QLatin1Char('f');
@@ -1133,7 +1133,7 @@ void QGtkStyle::drawPrimitive(PrimitiveElement element,
 
         int spacing;
 
-        GtkWidget *gtkCheckButton = d->gtkWidget(QLS("GtkCheckButton"));
+        GtkWidget *gtkCheckButton = d->gtkWidget("GtkCheckButton");
         QString key(QLS("checkbutton"));
         if (option->state & State_HasFocus) { // Themes such as Nodoka checks this flag
             key += QLatin1Char('f');
@@ -1275,7 +1275,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
             if ((groupBox->subControls & QStyle::SC_GroupBoxLabel) && !groupBox->text.isEmpty()) {
                 // Draw prelight background
-                GtkWidget *gtkCheckButton = d->gtkWidget(QLS("GtkCheckButton"));
+                GtkWidget *gtkCheckButton = d->gtkWidget("GtkCheckButton");
 
                 if (option->state & State_MouseOver) {
                     QRect bgRect = textRect | checkBoxRect;
@@ -1348,7 +1348,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
             GtkShadowType shadow = (option->state & State_Sunken || option->state & State_On ) ?
                                    GTK_SHADOW_IN : GTK_SHADOW_OUT;
-            QString comboBoxPath = QLS(comboBox->editable ? "GtkComboBoxEntry" : "GtkComboBox");
+            const QHashableLatin1Literal comboBoxPath = comboBox->editable ? QHashableLatin1Literal("GtkComboBoxEntry") : QHashableLatin1Literal("GtkComboBox");
 
             // We use the gtk widget to position arrows and separators for us
             GtkWidget *gtkCombo = d->gtkWidget(comboBoxPath);
@@ -1356,7 +1356,8 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
             d->gtk_widget_set_direction(gtkCombo, reverse ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
             d->gtk_widget_size_allocate(gtkCombo, &geometry);
 
-            QString buttonPath = comboBoxPath + QLS(".GtkToggleButton");
+            QHashableLatin1Literal buttonPath = comboBox->editable ? QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton")
+                                : QHashableLatin1Literal("GtkComboBox.GtkToggleButton");
             GtkWidget *gtkToggleButton = d->gtkWidget(buttonPath);
             d->gtk_widget_set_direction(gtkToggleButton, reverse ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
             if (gtkToggleButton && (appears_as_list || comboBox->editable)) {
@@ -1365,7 +1366,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                 // Draw the combo box as a line edit with a button next to it
                 if (comboBox->editable || appears_as_list) {
                     GtkStateType frameState = (state == GTK_STATE_PRELIGHT) ? GTK_STATE_NORMAL : state;
-                    QString entryPath = QLS(comboBox->editable ? "GtkComboBoxEntry.GtkEntry" : "GtkComboBox.GtkFrame");
+                    QHashableLatin1Literal entryPath = comboBox->editable ? QHashableLatin1Literal("GtkComboBoxEntry.GtkEntry") : QHashableLatin1Literal("GtkComboBox.GtkFrame");
                     GtkWidget *gtkEntry = d->gtkWidget(entryPath);
                     d->gtk_widget_set_direction(gtkEntry, reverse ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
                     QRect frameRect = option->rect;
@@ -1391,11 +1392,11 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                     else {
                         gtkCachedPainter.paintFlatBox(gtkEntry, "entry_bg", contentRect,
                                                 option->state & State_Enabled ? GTK_STATE_NORMAL : GTK_STATE_INSENSITIVE,
-                                                GTK_SHADOW_NONE, gtkEntry->style, entryPath + QString::number(focus));
+                                                GTK_SHADOW_NONE, gtkEntry->style, entryPath.toString() + QString::number(focus));
                     }
 
                     gtkCachedPainter.paintShadow(gtkEntry, comboBox->editable ? "entry" : "frame", frameRect, frameState,
-                                           GTK_SHADOW_IN, gtkEntry->style, entryPath +
+                                           GTK_SHADOW_IN, gtkEntry->style, entryPath.toString() +
                                            QString::number(focus) + QString::number(comboBox->editable) +
                                            QString::number(option->direction));
                     if (focus)
@@ -1416,7 +1417,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
                 Q_ASSERT(gtkToggleButton);
                 gtkCachedPainter.paintBox( gtkToggleButton, "button", arrowButtonRect, buttonState,
-                                     shadow, gtkToggleButton->style, buttonPath +
+                                     shadow, gtkToggleButton->style, buttonPath.toString() +
                                      QString::number(focus) + QString::number(option->direction));
                 if (focus)
                     GTK_WIDGET_UNSET_FLAGS(gtkToggleButton, GTK_HAS_FOCUS);
@@ -1429,12 +1430,17 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                 gtkCachedPainter.paintBox(gtkToggleButton, "button",
                                     buttonRect, state,
                                     shadow, gtkToggleButton->style,
-                                    buttonPath + QString::number(focus));
+                                    buttonPath.toString() + QString::number(focus));
                 if (focus)
                     GTK_WIDGET_UNSET_FLAGS(gtkToggleButton, GTK_HAS_FOCUS);
 
+            QHashableLatin1Literal buttonPath = comboBox->editable ? QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton")
+                                                : QHashableLatin1Literal("GtkComboBox.GtkToggleButton");
+
                 // Draw the separator between label and arrows
-                QString vSeparatorPath = buttonPath + QLS(".GtkHBox.GtkVSeparator");
+                QHashableLatin1Literal vSeparatorPath = comboBox->editable
+                    ? QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton.GtkHBox.GtkVSeparator")
+                    : QHashableLatin1Literal("GtkComboBox.GtkToggleButton.GtkHBox.GtkVSeparator");
 
                 if (GtkWidget *gtkVSeparator = d->gtkWidget(vSeparatorPath)) {
                     QRect vLineRect(gtkVSeparator->allocation.x,
@@ -1444,7 +1450,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
                     gtkCachedPainter.paintVline( gtkVSeparator, "vseparator",
                                            vLineRect, state, gtkVSeparator->style,
-                                           0, vLineRect.height(), 0,  vSeparatorPath);
+                                           0, vLineRect.height(), 0,  vSeparatorPath.toString());
 
 
                     gint interiorFocus = true;
@@ -1469,8 +1475,18 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                 else
                     state = GTK_STATE_NORMAL;
 
-                QString arrowPath = comboBoxPath + QLS(appears_as_list ? ".GtkToggleButton.GtkArrow"
-                                                    : ".GtkToggleButton.GtkHBox.GtkArrow");
+                QHashableLatin1Literal arrowPath("");
+                if (comboBox->editable) {
+                    if (appears_as_list)
+                        arrowPath = QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton.GtkArrow");
+                    else
+                        arrowPath = QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton.GtkHBox.GtkArrow");
+                } else {
+                    if (appears_as_list)
+                        arrowPath = QHashableLatin1Literal("GtkComboBox.GtkToggleButton.GtkArrow");
+                    else
+                        arrowPath = QHashableLatin1Literal("GtkComboBox.GtkToggleButton.GtkHBox.GtkArrow");
+                }
 
                 GtkWidget *gtkArrow = d->gtkWidget(arrowPath);
                 gfloat scale = 0.7;
@@ -1497,7 +1513,11 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
                 if (sunken) {
                     int xoff, yoff;
-                    GtkWidget *gtkButton = d->gtkWidget(comboBoxPath + QLS(".GtkToggleButton"));
+                    const QHashableLatin1Literal toggleButtonPath = comboBox->editable
+                            ? QHashableLatin1Literal("GtkComboBoxEntry.GtkToggleButton")
+                            : QHashableLatin1Literal("GtkComboBox.GtkToggleButton");
+
+                    GtkWidget *gtkButton = d->gtkWidget(toggleButtonPath);
                     d->gtk_widget_style_get(gtkButton, "child-displacement-x", &xoff, NULL);
                     d->gtk_widget_style_get(gtkButton, "child-displacement-y", &yoff, NULL);
                     arrowRect = arrowRect.adjusted(xoff, yoff, xoff, yoff);
@@ -1509,7 +1529,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                     gtkCachedPainter.setClipRect(option->rect);
                     gtkCachedPainter.paintArrow( gtkArrow, "arrow", arrowRect,
                                            GTK_ARROW_DOWN, state, GTK_SHADOW_NONE, TRUE,
-                                           style, arrowPath + QString::number(option->direction));
+                                           style, arrowPath.toString() + QString::number(option->direction));
                 }
             }
             END_STYLE_PIXMAPCACHE;
@@ -1570,7 +1590,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
             QStyleOptionToolButton label = *toolbutton;
             label.state = bflags;
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkToolButton.GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkToolButton.GtkButton");
             QPalette pal = toolbutton->palette;
             if (option->state & State_Enabled && 
                 option->state & State_MouseOver && !(widget && widget->testAttribute(Qt::WA_SetPalette))) {
@@ -1605,8 +1625,8 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
     case CC_ScrollBar:
         if (const QStyleOptionSlider *scrollBar = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
-            GtkWidget *gtkHScrollBar = d->gtkWidget(QLS("GtkHScrollbar"));
-            GtkWidget *gtkVScrollBar = d->gtkWidget(QLS("GtkVScrollbar"));
+            GtkWidget *gtkHScrollBar = d->gtkWidget("GtkHScrollbar");
+            GtkWidget *gtkVScrollBar = d->gtkWidget("GtkVScrollbar");
 
             // Fill background in case the scrollbar is partially transparent
             painter->fillRect(option->rect, option->palette.background());
@@ -1751,10 +1771,9 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
     case CC_SpinBox:
         if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
 
-            GtkWidget *gtkSpinButton = d->gtkWidget(
-                    spinBox->buttonSymbols == QAbstractSpinBox::NoButtons ?
-                    QLS("GtkEntry") :
-                    QLS("GtkSpinButton"));
+            GtkWidget *gtkSpinButton = spinBox->buttonSymbols == QAbstractSpinBox::NoButtons
+                        ? d->gtkWidget("GtkEntry")
+                        : d->gtkWidget("GtkSpinButton");
             bool isEnabled = (spinBox->state & State_Enabled);
             bool hover = isEnabled && (spinBox->state & State_MouseOver);
             bool sunken = (spinBox->state & State_Sunken);
@@ -1906,8 +1925,8 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
 
     case CC_Slider:
         if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
-            GtkWidget *hScaleWidget = d->gtkWidget(QLS("GtkHScale"));
-            GtkWidget *vScaleWidget = d->gtkWidget(QLS("GtkVScale"));
+            GtkWidget *hScaleWidget = d->gtkWidget("GtkHScale");
+            GtkWidget *vScaleWidget = d->gtkWidget("GtkVScale");
 
             QRect groove = proxy()->subControlRect(CC_Slider, option, SC_SliderGroove, widget);
             QRect handle = proxy()->subControlRect(CC_Slider, option, SC_SliderHandle, widget);
@@ -2097,7 +2116,7 @@ void QGtkStyle::drawControl(ControlElement element,
     switch (element) {
     case CE_ProgressBarLabel:
         if (const QStyleOptionProgressBar *bar = qstyleoption_cast<const QStyleOptionProgressBar *>(option)) {
-            GtkWidget *gtkProgressBar = d->gtkWidget(QLS("GtkProgressBar"));
+            GtkWidget *gtkProgressBar = d->gtkWidget("GtkProgressBar");
             if (!gtkProgressBar)
                 return;
 
@@ -2200,7 +2219,7 @@ void QGtkStyle::drawControl(ControlElement element,
             if (button->features & QStyleOptionButton::HasMenu)
                 ir = ir.adjusted(0, 0, -pixelMetric(PM_MenuButtonIndicator, button, widget), 0);
 
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkButton");
             QPalette pal = button->palette;
             int labelState = GTK_STATE_INSENSITIVE;
             if (option->state & State_Enabled)
@@ -2221,7 +2240,7 @@ void QGtkStyle::drawControl(ControlElement element,
             bool isRadio = (element == CE_RadioButton);
 
             // Draw prelight background
-            GtkWidget *gtkRadioButton = d->gtkWidget(QLS("GtkRadioButton"));
+            GtkWidget *gtkRadioButton = d->gtkWidget("GtkRadioButton");
 
             if (option->state & State_MouseOver) {
                 gtkPainter.paintFlatBox(gtkRadioButton, "checkbutton", option->rect,
@@ -2289,7 +2308,7 @@ void QGtkStyle::drawControl(ControlElement element,
             }
 
             if (!cb->currentText.isEmpty() && !cb->editable) {
-                GtkWidget *gtkCombo = d->gtkWidget(QLS("GtkComboBox"));
+                GtkWidget *gtkCombo = d->gtkWidget("GtkComboBox");
                 QPalette pal = cb->palette;
                 int labelState = GTK_STATE_INSENSITIVE;
 
@@ -2366,7 +2385,7 @@ void QGtkStyle::drawControl(ControlElement element,
         // Draws the header in tables.
         if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(option)) {
             Q_UNUSED(header);
-            GtkWidget *gtkTreeView = d->gtkWidget(QLS("GtkTreeView"));
+            GtkWidget *gtkTreeView = d->gtkWidget("GtkTreeView");
             // Get the middle column
             GtkTreeViewColumn *column = d->gtk_tree_view_get_column((GtkTreeView*)gtkTreeView, 1);
             Q_ASSERT(column);
@@ -2387,7 +2406,7 @@ void QGtkStyle::drawControl(ControlElement element,
 #ifndef QT_NO_SIZEGRIP
 
     case CE_SizeGrip: {
-        GtkWidget *gtkStatusbar = d->gtkWidget(QLS("GtkStatusbar.GtkFrame"));
+        GtkWidget *gtkStatusbar = d->gtkWidget("GtkStatusbar.GtkFrame");
         QRect gripRect = option->rect.adjusted(0, 0, -gtkStatusbar->style->xthickness, -gtkStatusbar->style->ythickness);
         gtkPainter.paintResizeGrip( gtkStatusbar, "statusbar", gripRect, GTK_STATE_NORMAL,
                                     GTK_SHADOW_OUT, QApplication::isRightToLeft() ?
@@ -2399,7 +2418,7 @@ void QGtkStyle::drawControl(ControlElement element,
 #endif // QT_NO_SIZEGRIP
 
     case CE_MenuBarEmptyArea: {
-        GtkWidget *gtkMenubar = d->gtkWidget(QLS("GtkMenuBar"));
+        GtkWidget *gtkMenubar = d->gtkWidget("GtkMenuBar");
         GdkColor gdkBg = gtkMenubar->style->bg[GTK_STATE_NORMAL]; // Theme can depend on transparency
         painter->fillRect(option->rect, QColor(gdkBg.red>>8, gdkBg.green>>8, gdkBg.blue>>8));
         if (widget) { // See CE_MenuBarItem
@@ -2422,8 +2441,8 @@ void QGtkStyle::drawControl(ControlElement element,
         painter->save();
 
         if (const QStyleOptionMenuItem *mbi = qstyleoption_cast<const QStyleOptionMenuItem *>(option)) {
-            GtkWidget *gtkMenubarItem = d->gtkWidget(QLS("GtkMenuBar.GtkMenuItem"));
-            GtkWidget *gtkMenubar = d->gtkWidget(QLS("GtkMenuBar"));
+            GtkWidget *gtkMenubarItem = d->gtkWidget("GtkMenuBar.GtkMenuItem");
+            GtkWidget *gtkMenubar = d->gtkWidget("GtkMenuBar");
 
             style = gtkMenubarItem->style;
 
@@ -2479,7 +2498,7 @@ void QGtkStyle::drawControl(ControlElement element,
         break;
 
     case CE_Splitter: {
-        GtkWidget *gtkWindow = d->gtkWidget(QLS("GtkWindow")); // The Murrine Engine currently assumes a widget is passed
+        GtkWidget *gtkWindow = d->gtkWidget("GtkWindow"); // The Murrine Engine currently assumes a widget is passed
         gtkPainter.paintHandle(gtkWindow, "splitter", option->rect, gtkPainter.gtkState(option), GTK_SHADOW_NONE,
                                 !(option->state & State_Horizontal) ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL,
                                 style);
@@ -2499,7 +2518,7 @@ void QGtkStyle::drawControl(ControlElement element,
             if (toolbar->positionWithinLine != QStyleOptionToolBar::End)
                 rect.adjust(0, 0, 1, 0);
 
-            GtkWidget *gtkToolbar = d->gtkWidget(QLS("GtkToolbar"));
+            GtkWidget *gtkToolbar = d->gtkWidget("GtkToolbar");
             GtkShadowType shadow_type = GTK_SHADOW_NONE;
             d->gtk_widget_style_get(gtkToolbar, "shadow-type", &shadow_type, NULL);
             gtkPainter.paintBox( gtkToolbar, "toolbar",  rect,
@@ -2518,15 +2537,15 @@ void QGtkStyle::drawControl(ControlElement element,
             const int windowsItemHMargin      =  3; // menu item hor text margin
             const int windowsItemVMargin      = 26; // menu item ver text margin
             const int windowsRightBorder      = 15; // right border on windows
-            GtkWidget *gtkMenuItem = menuItem->checked ? d->gtkWidget(QLS("GtkMenu.GtkCheckMenuItem")) :
-                                     d->gtkWidget(QLS("GtkMenu.GtkMenuItem"));
+            GtkWidget *gtkMenuItem = menuItem->checked ? d->gtkWidget("GtkMenu.GtkCheckMenuItem") :
+                                     d->gtkWidget("GtkMenu.GtkMenuItem");
 
             style = gtkPainter.getStyle(gtkMenuItem);
             QColor borderColor = option->palette.background().color().darker(160);
             QColor shadow = option->palette.dark().color();
 
             if (menuItem->menuItemType == QStyleOptionMenuItem::Separator) {
-                GtkWidget *gtkMenuSeparator = d->gtkWidget(QLS("GtkMenu.GtkSeparatorMenuItem"));
+                GtkWidget *gtkMenuSeparator = d->gtkWidget("GtkMenu.GtkSeparatorMenuItem");
                 painter->setPen(shadow.lighter(106));
                 gboolean wide_separators = 0;
                 gint     separator_height = 0;
@@ -2570,7 +2589,7 @@ void QGtkStyle::drawControl(ControlElement element,
             bool ignoreCheckMark = false;
 
             gint checkSize;
-            d->gtk_widget_style_get(d->gtkWidget(QLS("GtkMenu.GtkCheckMenuItem")), "indicator-size", &checkSize, NULL);
+            d->gtk_widget_style_get(d->gtkWidget("GtkMenu.GtkCheckMenuItem"), "indicator-size", &checkSize, NULL);
 
             int checkcol = qMax(menuItem->maxIconWidth, qMax(20, checkSize));
 
@@ -2781,7 +2800,7 @@ void QGtkStyle::drawControl(ControlElement element,
 
     case CE_PushButton:
         if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(option)) {
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkButton");
             proxy()->drawControl(CE_PushButtonBevel, btn, painter, widget);
             QStyleOptionButton subopt = *btn;
             subopt.rect = subElementRect(SE_PushButtonContents, btn, widget);
@@ -2807,7 +2826,7 @@ void QGtkStyle::drawControl(ControlElement element,
 
     case CE_TabBarTabShape:
         if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(option)) {
-            GtkWidget *gtkNotebook = d->gtkWidget(QLS("GtkNotebook"));
+            GtkWidget *gtkNotebook = d->gtkWidget("GtkNotebook");
             style = gtkPainter.getStyle(gtkNotebook);
 
             QRect rect = option->rect;
@@ -2874,7 +2893,7 @@ void QGtkStyle::drawControl(ControlElement element,
     case CE_ProgressBarGroove:
         if (const QStyleOptionProgressBar *bar = qstyleoption_cast<const QStyleOptionProgressBar *>(option)) {
             Q_UNUSED(bar);
-            GtkWidget *gtkProgressBar = d->gtkWidget(QLS("GtkProgressBar"));
+            GtkWidget *gtkProgressBar = d->gtkWidget("GtkProgressBar");
             GtkStateType state = gtkPainter.gtkState(option);
             gtkPainter.paintBox( gtkProgressBar, "trough",  option->rect, state, GTK_SHADOW_IN, gtkProgressBar->style);
         }
@@ -2884,7 +2903,7 @@ void QGtkStyle::drawControl(ControlElement element,
     case CE_ProgressBarContents:
         if (const QStyleOptionProgressBar *bar = qstyleoption_cast<const QStyleOptionProgressBar *>(option)) {
             GtkStateType state = option->state & State_Enabled ? GTK_STATE_NORMAL : GTK_STATE_INSENSITIVE;
-            GtkWidget *gtkProgressBar = d->gtkWidget(QLS("GtkProgressBar"));
+            GtkWidget *gtkProgressBar = d->gtkWidget("GtkProgressBar");
             style = gtkProgressBar->style;
             gtkPainter.paintBox( gtkProgressBar, "trough",  option->rect, state, GTK_SHADOW_IN, style);
             int xt = style->xthickness;
@@ -3042,7 +3061,7 @@ QRect QGtkStyle::subControlRect(ComplexControl control, const QStyleOptionComple
 
     case CC_SpinBox:
         if (const QStyleOptionSpinBox *spinbox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
-            GtkWidget *gtkSpinButton = d->gtkWidget(QLS("GtkSpinButton"));
+            GtkWidget *gtkSpinButton = d->gtkWidget("GtkSpinButton");
             int center = spinbox->rect.height() / 2;
             int xt = spinbox->frame ? gtkSpinButton->style->xthickness : 0;
             int yt = spinbox->frame ? gtkSpinButton->style->ythickness : 0;
@@ -3096,15 +3115,19 @@ QRect QGtkStyle::subControlRect(ComplexControl control, const QStyleOptionComple
         if (const QStyleOptionComboBox *box = qstyleoption_cast<const QStyleOptionComboBox *>(option)) {
             // We employ the gtk widget to position arrows and separators for us
             QString comboBoxPath = box->editable ? QLS("GtkComboBoxEntry") : QLS("GtkComboBox");
-            GtkWidget *gtkCombo = d->gtkWidget(comboBoxPath);
+            GtkWidget *gtkCombo = box->editable ? d->gtkWidget("GtkComboBoxEntry")
+                                                : d->gtkWidget("GtkComboBox");
             d->gtk_widget_set_direction(gtkCombo, (option->direction == Qt::RightToLeft) ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
             GtkAllocation geometry = {0, 0, qMax(0, option->rect.width()), qMax(0, option->rect.height())};
             d->gtk_widget_size_allocate(gtkCombo, &geometry);
             int appears_as_list = !proxy()->styleHint(QStyle::SH_ComboBox_Popup, option, widget);
-            QString arrowPath = comboBoxPath + QLS(".GtkToggleButton");
-
-            if (!box->editable && !appears_as_list)
-                arrowPath += QLS(".GtkHBox.GtkArrow");
+            QHashableLatin1Literal arrowPath("GtkComboBoxEntry.GtkToggleButton");
+            if (!box->editable) {
+                if (appears_as_list)
+                    arrowPath = "GtkComboBox.GtkToggleButton";
+                else
+                    arrowPath = "GtkComboBox.GtkToggleButton.GtkHBox.GtkArrow";
+            }
 
             GtkWidget *arrowWidget = d->gtkWidget(arrowPath);
             if (!arrowWidget)
@@ -3163,7 +3186,7 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
 
     case CT_ToolButton:
         if (const QStyleOptionToolButton *toolbutton = qstyleoption_cast<const QStyleOptionToolButton *>(option)) {
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkToolButton.GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkToolButton.GtkButton");
             newSize = size + QSize(2 * gtkButton->style->xthickness, 2 + 2 * gtkButton->style->ythickness);
             if (widget && qobject_cast<QToolBar *>(widget->parentWidget())) {
                 QSize minSize(0, 25);
@@ -3181,14 +3204,14 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
             int textMargin = 8;
 
             if (menuItem->menuItemType == QStyleOptionMenuItem::Separator) {
-                GtkWidget *gtkMenuSeparator = d->gtkWidget(QLS("GtkMenu.GtkSeparatorMenuItem"));
+                GtkWidget *gtkMenuSeparator = d->gtkWidget("GtkMenu.GtkSeparatorMenuItem");
                 GtkRequisition sizeReq = {0, 0};
                 d->gtk_widget_size_request(gtkMenuSeparator, &sizeReq);
                 newSize = QSize(size.width(), sizeReq.height);
                 break;
             }
 
-            GtkWidget *gtkMenuItem = d->gtkWidget(QLS("GtkMenu.GtkCheckMenuItem"));
+            GtkWidget *gtkMenuItem = d->gtkWidget("GtkMenu.GtkCheckMenuItem");
             GtkStyle* style = gtkMenuItem->style;
 
             // Note we get the perfect height for the default font since we
@@ -3210,12 +3233,12 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
 
     case CT_SpinBox:
         // QSpinBox does some nasty things that depends on CT_LineEdit
-        newSize = size + QSize(0, -d->gtkWidget(QLS("GtkSpinButton"))->style->ythickness * 2);
+        newSize = size + QSize(0, -d->gtkWidget("GtkSpinButton")->style->ythickness * 2);
         break;
 
     case CT_PushButton:
         if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(option)) {
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkButton");
             gint focusPadding, focusWidth;
             d->gtk_widget_style_get(gtkButton, "focus-padding", &focusPadding, NULL);
             d->gtk_widget_style_get(gtkButton, "focus-line-width", &focusWidth, NULL);
@@ -3223,7 +3246,7 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
             newSize += QSize(2*gtkButton->style->xthickness + 4, 2*gtkButton->style->ythickness);
             newSize += QSize(2*(focusWidth + focusPadding + 2), 2*(focusWidth + focusPadding));
 
-            GtkWidget *gtkButtonBox = d->gtkWidget(QLS("GtkHButtonBox"));
+            GtkWidget *gtkButtonBox = d->gtkWidget("GtkHButtonBox");
             gint minWidth = 85, minHeight = 0;
             d->gtk_widget_style_get(gtkButtonBox, "child-min-width", &minWidth,
                                    "child-min-height", &minHeight, NULL);
@@ -3236,13 +3259,13 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
         break;
 
     case CT_Slider: {
-        GtkWidget *gtkSlider = d->gtkWidget(QLS("GtkHScale"));
+        GtkWidget *gtkSlider = d->gtkWidget("GtkHScale");
         newSize = size + QSize(2*gtkSlider->style->xthickness, 2*gtkSlider->style->ythickness);
     }
     break;
 
     case CT_LineEdit: {
-        GtkWidget *gtkEntry = d->gtkWidget(QLS("GtkEntry"));
+        GtkWidget *gtkEntry = d->gtkWidget("GtkEntry");
         newSize = size + QSize(2*gtkEntry->style->xthickness, 2 + 2*gtkEntry->style->ythickness);
     }
     break;
@@ -3253,7 +3276,7 @@ QSize QGtkStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
 
     case CT_ComboBox:
         if (const QStyleOptionComboBox *combo = qstyleoption_cast<const QStyleOptionComboBox *>(option)) {
-            GtkWidget *gtkCombo = d->gtkWidget(QLS("GtkComboBox"));
+            GtkWidget *gtkCombo = d->gtkWidget("GtkComboBox");
             QRect arrowButtonRect = proxy()->subControlRect(CC_ComboBox, combo, SC_ComboBoxArrow, widget);
             newSize = size + QSize(12 + arrowButtonRect.width() + 2*gtkCombo->style->xthickness, 4 + 2*gtkCombo->style->ythickness);
 
@@ -3405,7 +3428,7 @@ QRect QGtkStyle::subElementRect(SubElement element, const QStyleOption *option,
         return option->rect;
     case SE_PushButtonContents:
         if (!d->gtk_check_version(2, 10, 0)) {
-            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+            GtkWidget *gtkButton = d->gtkWidget("GtkButton");
             GtkBorder *border = 0;
             d->gtk_widget_style_get(gtkButton, "inner-border", &border, NULL);
             if (border) {
diff --git a/src/gui/styles/qgtkstyle_p.cpp b/src/gui/styles/qgtkstyle_p.cpp
index a033407..6916c02 100644
--- a/src/gui/styles/qgtkstyle_p.cpp
+++ b/src/gui/styles/qgtkstyle_p.cpp
@@ -60,6 +60,7 @@
 #include <QtCore/QHash>
 #include <QtCore/QUrl>
 #include <QtCore/QLibrary>
+#include <QtCore/QDebug>
 
 #include <private/qapplication_p.h>
 #include <private/qiconloader_p.h>
@@ -233,17 +234,22 @@ static void update_toolbar_style(GtkWidget *gtkToolBar, GParamSpec *, gpointer)
     }
 }
 
-static QString classPath(GtkWidget *widget)
+static QHashableLatin1Literal classPath(GtkWidget *widget)
 {
-    char* class_path;
+    char *class_path;
     QGtkStylePrivate::gtk_widget_path (widget, NULL, &class_path, NULL);
-    QString path = QLS(class_path);
+
+    char *copy = class_path;
+    if (strncmp(copy, "GtkWindow.", 10) == 0)
+        copy += 10;
+    if (strncmp(copy, "GtkFixed.", 9) == 0)
+        copy += 9;
+
+    copy = strdup(copy);
+
     g_free(class_path);
 
-    // Remove the prefixes
-    path.remove(QLS("GtkWindow."));
-    path.remove(QLS("GtkFixed."));
-    return path;
+    return QHashableLatin1Literal::fromData(copy);
 }
 
 
@@ -261,6 +267,7 @@ bool QGtkStyleFilter::eventFilter(QObject *obj, QEvent *e)
 }
 
 QList<QGtkStylePrivate *> QGtkStylePrivate::instances;
+QGtkStylePrivate::WidgetMap *QGtkStylePrivate::widgetMap = 0;
 
 QGtkStylePrivate::QGtkStylePrivate()
   : QCleanlooksStylePrivate()
@@ -282,7 +289,7 @@ void QGtkStylePrivate::init()
         qApp->installEventFilter(&filter);
 }
 
-GtkWidget* QGtkStylePrivate::gtkWidget(const QString &path)
+GtkWidget* QGtkStylePrivate::gtkWidget(const QHashableLatin1Literal &path)
 {
     GtkWidget *widget = gtkWidgetMap()->value(path);
     if (!widget) {
@@ -292,10 +299,10 @@ GtkWidget* QGtkStylePrivate::gtkWidget(const QString &path)
     return widget;
 }
 
-GtkStyle* QGtkStylePrivate::gtkStyle(const QString &path)
+GtkStyle* QGtkStylePrivate::gtkStyle(const QHashableLatin1Literal &path)
 {
-    if (gtkWidgetMap()->contains(path))
-        return gtkWidgetMap()->value(path)->style;
+    if (GtkWidget *w = gtkWidgetMap()->value(path))
+        return w->style;
     return 0;
 }
 
@@ -497,7 +504,7 @@ void QGtkStylePrivate::initGtkWidgets() const
     }
 
     static QString themeName;
-    if (!gtkWidgetMap()->contains(QLS("GtkWindow")) && themeName.isEmpty()) {
+    if (!gtkWidgetMap()->contains("GtkWindow") && themeName.isEmpty()) {
         themeName = getThemeName();
 
         if (themeName.isEmpty()) {
@@ -522,14 +529,14 @@ void QGtkStylePrivate::initGtkWidgets() const
         QGtkStylePrivate::gtk_widget_realize(gtkWindow);
         if (displayDepth == -1)
             displayDepth = QGtkStylePrivate::gdk_drawable_get_depth(gtkWindow->window);
-        gtkWidgetMap()->insert(QLS("GtkWindow"), gtkWindow);
+        gtkWidgetMap()->insert(QHashableLatin1Literal::fromData(strdup("GtkWindow")), gtkWindow);
 
 
         // Make all other widgets. respect the text direction
         if (qApp->layoutDirection() == Qt::RightToLeft)
             QGtkStylePrivate::gtk_widget_set_default_direction(GTK_TEXT_DIR_RTL);
 
-        if (!gtkWidgetMap()->contains(QLS("GtkButton"))) {
+        if (!gtkWidgetMap()->contains("GtkButton")) {
             GtkWidget *gtkButton = QGtkStylePrivate::gtk_button_new();
             addWidget(gtkButton);
             g_signal_connect(gtkButton, "style-set", G_CALLBACK(gtkStyleSetCallback), 0);
@@ -566,12 +573,12 @@ void QGtkStylePrivate::initGtkWidgets() const
             // When styles change subwidgets can get rearranged
             // as with the combo box. We need to update the widget map
             // to reflect this;
-            QHash<QString, GtkWidget*> oldMap = *gtkWidgetMap();
+            QHash<QHashableLatin1Literal, GtkWidget*> oldMap = *gtkWidgetMap();
             gtkWidgetMap()->clear();
-            QHashIterator<QString, GtkWidget*> it(oldMap);
+            QHashIterator<QHashableLatin1Literal, GtkWidget*> it(oldMap);
             while (it.hasNext()) {
                 it.next();
-                if (!it.key().contains(QLatin1Char('.'))) {
+                if (!strchr(it.key().data(), '.')) {
                     addAllSubWidgets(it.value());
                 }
             }
@@ -586,8 +593,13 @@ void QGtkStylePrivate::initGtkWidgets() const
  */
 void QGtkStylePrivate::cleanupGtkWidgets()
 {
-    if (gtkWidgetMap()->contains(QLS("GtkWindow"))) // Gtk will destroy all children
-        gtk_widget_destroy(gtkWidgetMap()->value(QLS("GtkWindow")));
+    if (!widgetMap)
+        return;
+    if (widgetMap->contains("GtkWindow")) // Gtk will destroy all children
+        gtk_widget_destroy(widgetMap->value("GtkWindow"));
+    for (QHash<QHashableLatin1Literal, GtkWidget *>::const_iterator it = widgetMap->constBegin();
+         it != widgetMap->constEnd(); ++it)
+        free(const_cast<char *>(it.key().data()));
 }
 
 static bool resolveGConf()
@@ -678,7 +690,7 @@ QString QGtkStylePrivate::getThemeName()
 int QGtkStylePrivate::getSpinboxArrowSize() const
 {
     const int MIN_ARROW_WIDTH = 6;
-    GtkWidget *spinButton = gtkWidget(QLS("GtkSpinButton"));
+    GtkWidget *spinButton = gtkWidget("GtkSpinButton");
     GtkStyle *style = spinButton->style;
     gint size = pango_font_description_get_size (style->font_desc);
     gint arrow_size;
@@ -698,17 +710,17 @@ bool QGtkStylePrivate::isKDE4Session()
 
 void QGtkStylePrivate::applyCustomPaletteHash()
 {
-    QPalette menuPal = gtkWidgetPalette(QLS("GtkMenu"));
-    GdkColor gdkBg = gtkWidget(QLS("GtkMenu"))->style->bg[GTK_STATE_NORMAL];
+    QPalette menuPal = gtkWidgetPalette("GtkMenu");
+    GdkColor gdkBg = gtkWidget("GtkMenu")->style->bg[GTK_STATE_NORMAL];
     QColor bgColor(gdkBg.red>>8, gdkBg.green>>8, gdkBg.blue>>8);
     menuPal.setBrush(QPalette::Base, bgColor);
     menuPal.setBrush(QPalette::Window, bgColor);
     qApp->setPalette(menuPal, "QMenu");
 
-    QPalette toolbarPal = gtkWidgetPalette(QLS("GtkToolbar"));
+    QPalette toolbarPal = gtkWidgetPalette("GtkToolbar");
     qApp->setPalette(toolbarPal, "QToolBar");
 
-    QPalette menuBarPal = gtkWidgetPalette(QLS("GtkMenuBar"));
+    QPalette menuBarPal = gtkWidgetPalette("GtkMenuBar");
     qApp->setPalette(menuBarPal, "QMenuBar");
 }
 
@@ -717,7 +729,7 @@ void QGtkStylePrivate::applyCustomPaletteHash()
 */
 GtkWidget* QGtkStylePrivate::getTextColorWidget() const
 {
-    return  gtkWidget(QLS("GtkEntry"));
+    return  gtkWidget("GtkEntry");
 }
 
 void QGtkStylePrivate::setupGtkWidget(GtkWidget* widget)
@@ -726,7 +738,7 @@ void QGtkStylePrivate::setupGtkWidget(GtkWidget* widget)
         static GtkWidget* protoLayout = 0;
         if (!protoLayout) {
             protoLayout = QGtkStylePrivate::gtk_fixed_new();
-            QGtkStylePrivate::gtk_container_add((GtkContainer*)(gtkWidgetMap()->value(QLS("GtkWindow"))), protoLayout);
+            QGtkStylePrivate::gtk_container_add((GtkContainer*)(gtkWidgetMap()->value("GtkWindow")), protoLayout);
         }
         Q_ASSERT(protoLayout);
 
@@ -739,8 +751,19 @@ void QGtkStylePrivate::setupGtkWidget(GtkWidget* widget)
 void QGtkStylePrivate::addWidgetToMap(GtkWidget *widget)
 {
     if (Q_GTK_IS_WIDGET(widget)) {
-       gtk_widget_realize(widget);
-       gtkWidgetMap()->insert(classPath(widget), widget);
+        gtk_widget_realize(widget);
+        QHashableLatin1Literal widgetPath = classPath(widget);
+
+        WidgetMap *map = gtkWidgetMap();
+        WidgetMap::iterator it = map->find(widgetPath);
+        if (it != map->end()) {
+            free(const_cast<char *>(it.key().data()));
+            map->erase(it);
+        }
+        map->insert(widgetPath, widget);
+#ifdef DUMP_GTK_WIDGET_TREE
+        qWarning("Inserted Gtk Widget: %s", widgetPath.data());
+#endif
     }
  }
 
@@ -753,7 +776,7 @@ void QGtkStylePrivate::addAllSubWidgets(GtkWidget *widget, gpointer v)
 }
 
 // Updates window/windowtext palette based on the indicated gtk widget
-QPalette QGtkStylePrivate::gtkWidgetPalette(const QString &gtkWidgetName) const
+QPalette QGtkStylePrivate::gtkWidgetPalette(const QHashableLatin1Literal &gtkWidgetName) const
 {
     GtkWidget *gtkWidget = QGtkStylePrivate::gtkWidget(gtkWidgetName);
     Q_ASSERT(gtkWidget);
@@ -1089,6 +1112,28 @@ QIcon QGtkStylePrivate::getFilesystemIcon(const QFileInfo &info)
     return icon;
 }
 
+bool operator==(const QHashableLatin1Literal &l1, const QHashableLatin1Literal &l2)
+{
+    return l1.size() == l2.size() || qstrcmp(l1.data(), l2.data()) == 0;
+}
+
+// copied from qHash.cpp
+uint qHash(const QHashableLatin1Literal &key)
+{
+    int n = key.size();
+    const uchar *p = reinterpret_cast<const uchar *>(key.data());
+    uint h = 0;
+    uint g;
+
+    while (n--) {
+        h = (h << 4) + *p++;
+        if ((g = (h & 0xf0000000)) != 0)
+            h ^= g >> 23;
+        h &= ~g;
+    }
+    return h;
+}
+
 QT_END_NAMESPACE
 
 #endif // !defined(QT_NO_STYLE_GTK)
diff --git a/src/gui/styles/qgtkstyle_p.h b/src/gui/styles/qgtkstyle_p.h
index db5b9b9..6ee7904 100644
--- a/src/gui/styles/qgtkstyle_p.h
+++ b/src/gui/styles/qgtkstyle_p.h
@@ -56,6 +56,10 @@
 #include <QtCore/qglobal.h>
 #if !defined(QT_NO_STYLE_GTK)
 
+#include <QtCore/qstring.h>
+#include <QtCore/qstringbuilder.h>
+#include <QtCore/qcoreapplication.h>
+
 #include <QtGui/QFileDialog>
 
 #include <QtGui/QGtkStyle>
@@ -72,6 +76,54 @@ typedef unsigned long XID;
 
 #define QLS(x) QLatin1String(x)
 
+QT_BEGIN_NAMESPACE
+
+// ### Qt 4.7 - merge with QLatin1Literal
+class QHashableLatin1Literal
+{
+public:
+    int size() const { return m_size; }
+    const char *data() const { return m_data; }
+
+    template <int N>
+        QHashableLatin1Literal(const char (&str)[N])
+        : m_size(N - 1), m_data(str) {}
+
+    QHashableLatin1Literal(const QHashableLatin1Literal &other)
+        : m_size(other.m_size), m_data(other.m_data)
+    {}
+
+    QHashableLatin1Literal &operator=(const QHashableLatin1Literal &other)
+    {
+        if (this == &other)
+            return *this;
+        *const_cast<int *>(&m_size) = other.m_size;
+        *const_cast<char **>(&m_data) = const_cast<char *>(other.m_data);
+        return *this;
+    }
+
+    QString toString() const { return QString::fromLatin1(m_data, m_size); }
+
+    static QHashableLatin1Literal fromData(const char *str)
+    {
+        return QHashableLatin1Literal(str, qstrlen(str));
+    }
+
+private:
+    QHashableLatin1Literal(const char *str, int length)
+        : m_size(length), m_data(str)
+    {}
+
+    const int m_size;
+    const char *m_data;
+};
+
+bool operator==(const QHashableLatin1Literal &l1, const QHashableLatin1Literal &l2);
+inline bool operator!=(const QHashableLatin1Literal &l1, const QHashableLatin1Literal &l2) { return !operator==(l1, l2); }
+uint qHash(const QHashableLatin1Literal &key);
+
+QT_END_NAMESPACE
+
 class GConf;
 class GConfClient;
 
@@ -252,7 +304,6 @@ typedef char* (*Ptr_gnome_icon_lookup_sync)  (
         GnomeIconLookupFlags flags,
         GnomeIconLookupResultFlags *result);
 
-
 class QGtkStylePrivate : public QCleanlooksStylePrivate
 {
     Q_DECLARE_PUBLIC(QGtkStyle)
@@ -262,8 +313,8 @@ public:
 
     QGtkStyleFilter filter;
 
-    static GtkWidget* gtkWidget(const QString &path);
-    static GtkStyle* gtkStyle(const QString &path = QLatin1String("GtkWindow"));
+    static GtkWidget* gtkWidget(const QHashableLatin1Literal &path);
+    static GtkStyle* gtkStyle(const QHashableLatin1Literal &path = QHashableLatin1Literal("GtkWindow"));
 
     virtual void resolveGtk() const;
     virtual void initGtkMenu() const;
@@ -418,17 +469,25 @@ public:
     static Ptr_gnome_icon_lookup_sync gnome_icon_lookup_sync;
     static Ptr_gnome_vfs_init gnome_vfs_init;
 
-    virtual QPalette gtkWidgetPalette(const QString &gtkWidgetName) const;
+    virtual QPalette gtkWidgetPalette(const QHashableLatin1Literal &gtkWidgetName) const;
 
 protected:
-    typedef QHash<QString, GtkWidget*> WidgetMap;
+    typedef QHash<QHashableLatin1Literal, GtkWidget*> WidgetMap;
+
+    static inline void destroyWidgetMap()
+    {
+        cleanupGtkWidgets();
+        delete widgetMap;
+        widgetMap = 0;
+    }
 
     static inline WidgetMap *gtkWidgetMap()
     {
-        static WidgetMap *map = 0;
-        if (!map)
-            map = new WidgetMap();
-        return map;
+        if (!widgetMap) {
+            widgetMap = new WidgetMap();
+            qAddPostRoutine(destroyWidgetMap);
+        }
+        return widgetMap;
     }
 
     static QStringList extract_filter(const QString &rawFilter);
@@ -443,6 +502,7 @@ protected:
 
 private:
     static QList<QGtkStylePrivate *> instances;
+    static WidgetMap *widgetMap;
     friend class QGtkStyleUpdateScheduler;
 };
 
diff --git a/src/gui/styles/qstylehelper.cpp b/src/gui/styles/qstylehelper.cpp
index 071ec23..359e7e1 100644
--- a/src/gui/styles/qstylehelper.cpp
+++ b/src/gui/styles/qstylehelper.cpp
@@ -44,6 +44,7 @@
 #include <qstyleoption.h>
 #include <qpainter.h>
 #include <qpixmapcache.h>
+#include <qstringbuilder.h>
 #include <private/qmath_p.h>
 #include <private/qstyle_p.h>
 #include <qmath.h>
@@ -56,22 +57,67 @@
 
 QT_BEGIN_NAMESPACE
 
+// internal helper. Converts an integer value to an unique string token
+template <typename T>
+struct HexString
+{
+    inline HexString(const T t)
+        : val(t)
+    {}
+
+    inline void write(QChar *&dest) const
+    {
+        const ushort hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+        const char *c = reinterpret_cast<const char *>(&val);
+        for (uint i = 0; i < sizeof(T); ++i) {
+            *dest++ = hexChars[*c & 0xf];
+            *dest++ = hexChars[(*c & 0xf0) >> 4];
+            ++c;
+        }
+    }
+
+    const T val;
+};
+
+// specialization to enable fast concatenating of our string tokens to a string
+template <typename T>
+struct QConcatenable<HexString<T> >
+{
+    typedef HexString<T> type;
+    enum { ExactSize = true };
+    static int size(const HexString<T> &str) { return sizeof(str.val) * 2; }
+    static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); }
+};
+
 namespace QStyleHelper {
 
 QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size)
 {
     const QStyleOptionComplex *complexOption = qstyleoption_cast<const QStyleOptionComplex *>(option);
-    QString tmp = QString::fromLatin1("%1-%2-%3-%4-%5-%6x%7").arg(key).arg(uint(option->state)).arg(option->direction)
-                   .arg(complexOption ? uint(complexOption->activeSubControls) : uint(0))
-                   .arg(option->palette.cacheKey()).arg(size.width()).arg(size.height());
+
+    QString tmp = key
+                  % QLatin1Char('-')
+                  % HexString<uint>(option->state)
+                  % QLatin1Char('-')
+                  % HexString<uint>(option->direction)
+                  % QLatin1Char('-')
+                  % HexString<uint>(complexOption ? uint(complexOption->activeSubControls) : 0u)
+                  % QLatin1Char('-')
+                  % HexString<quint64>(option->palette.cacheKey())
+                  % QLatin1Char('-')
+                  % HexString<uint>(size.width())
+                  % QLatin1Char('x')
+                  % HexString<uint>(size.height());
+
 #ifndef QT_NO_SPINBOX
     if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
-        tmp.append(QLatin1Char('-'));
-        tmp.append(QString::number(spinBox->buttonSymbols));
-        tmp.append(QLatin1Char('-'));
-        tmp.append(QString::number(spinBox->stepEnabled));
-        tmp.append(QLatin1Char('-'));
-        tmp.append(QLatin1Char(spinBox->frame ? '1' : '0'));
+        tmp = tmp
+              % QLatin1Char('-')
+              % HexString<uint>(spinBox->buttonSymbols)
+              % QLatin1Char('-')
+              % HexString<uint>(spinBox->stepEnabled)
+              % QLatin1Char('-')
+              % QLatin1Char(spinBox->frame ? '1' : '0');
     }
 #endif // QT_NO_SPINBOX
     return tmp;
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index bc1bece..5376386 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -3457,10 +3457,17 @@ void QStyleSheetStyle::drawControl(ControlElement ce, const QStyleOption *opt, Q
 
     case CE_RadioButton:
     case CE_CheckBox:
-        rule.drawRule(p, opt->rect);
-        ParentStyle::drawControl(ce, opt, p, w);
-        return;
-
+        if (rule.hasBox() || !rule.hasNativeBorder() || rule.hasDrawable() || hasStyleRule(w, PseudoElement_Indicator)) {
+            rule.drawRule(p, opt->rect);
+            ParentStyle::drawControl(ce, opt, p, w);
+            return;
+        } else if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
+            QStyleOptionButton butOpt(*btn);
+            rule.configurePalette(&butOpt.palette, QPalette::ButtonText, QPalette::Button);
+            baseStyle()->drawControl(ce, &butOpt, p, w);
+            return;
+        }
+        break;
     case CE_RadioButtonLabel:
     case CE_CheckBoxLabel:
         if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
diff --git a/src/gui/text/qsyntaxhighlighter.cpp b/src/gui/text/qsyntaxhighlighter.cpp
index 6750c09..e594b7e 100644
--- a/src/gui/text/qsyntaxhighlighter.cpp
+++ b/src/gui/text/qsyntaxhighlighter.cpp
@@ -59,23 +59,24 @@ class QSyntaxHighlighterPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QSyntaxHighlighter)
 public:
-    inline QSyntaxHighlighterPrivate() : rehighlightPending(false) {}
+    inline QSyntaxHighlighterPrivate()
+        : rehighlightPending(false), inReformatBlocks(false)
+    {}
 
     QPointer<QTextDocument> doc;
 
     void _q_reformatBlocks(int from, int charsRemoved, int charsAdded);
-    void reformatBlock(QTextBlock block);
-    
+    void reformatBlocks(int from, int charsRemoved, int charsAdded);
+    void reformatBlock(const QTextBlock &block);
+
     inline void rehighlight(QTextCursor &cursor, QTextCursor::MoveOperation operation) {
-        QObject::disconnect(doc, SIGNAL(contentsChange(int,int,int)),
-                            q_func(), SLOT(_q_reformatBlocks(int,int,int)));
+        inReformatBlocks = true;
         cursor.beginEditBlock();
         int from = cursor.position();
         cursor.movePosition(operation);
-        _q_reformatBlocks(from, 0, cursor.position() - from);
+        reformatBlocks(from, 0, cursor.position() - from);
         cursor.endEditBlock();
-        QObject::connect(doc, SIGNAL(contentsChange(int,int,int)),
-                         q_func(), SLOT(_q_reformatBlocks(int,int,int)));
+        inReformatBlocks = false;
     }
 
     inline void _q_delayedRehighlight() {
@@ -83,17 +84,19 @@ public:
             return;
         rehighlightPending = false;
         q_func()->rehighlight();
-        return;
     }
 
     void applyFormatChanges();
     QVector<QTextCharFormat> formatChanges;
     QTextBlock currentBlock;
     bool rehighlightPending;
+    bool inReformatBlocks;
 };
 
 void QSyntaxHighlighterPrivate::applyFormatChanges()
 {
+    bool formatsChanged = false;
+
     QTextLayout *layout = currentBlock.layout();
 
     QList<QTextLayout::FormatRange> ranges = layout->additionalFormats();
@@ -101,19 +104,26 @@ void QSyntaxHighlighterPrivate::applyFormatChanges()
     const int preeditAreaStart = layout->preeditAreaPosition();
     const int preeditAreaLength = layout->preeditAreaText().length();
 
-    QList<QTextLayout::FormatRange>::Iterator it = ranges.begin();
-    while (it != ranges.end()) {
-        if (it->start >= preeditAreaStart
-            && it->start + it->length <= preeditAreaStart + preeditAreaLength)
-            ++it;
-        else
-            it = ranges.erase(it);
+    if (preeditAreaLength != 0) {
+        QList<QTextLayout::FormatRange>::Iterator it = ranges.begin();
+        while (it != ranges.end()) {
+            if (it->start >= preeditAreaStart
+                && it->start + it->length <= preeditAreaStart + preeditAreaLength) {
+                ++it;
+            } else {
+                it = ranges.erase(it);
+                formatsChanged = true;
+            }
+        }
+    } else if (!ranges.isEmpty()) {
+        ranges.clear();
+        formatsChanged = true;
     }
 
     QTextCharFormat emptyFormat;
 
     QTextLayout::FormatRange r;
-    r.start = r.length = -1;
+    r.start = -1;
 
     int i = 0;
     while (i < formatChanges.count()) {
@@ -135,34 +145,46 @@ void QSyntaxHighlighterPrivate::applyFormatChanges()
 
         r.length = i - r.start;
 
-        if (r.start >= preeditAreaStart) {
-            r.start += preeditAreaLength;
-        } else if (r.start + r.length >= preeditAreaStart) {
-            r.length += preeditAreaLength;
+        if (preeditAreaLength != 0) {
+            if (r.start >= preeditAreaStart)
+                r.start += preeditAreaLength;
+            else if (r.start + r.length >= preeditAreaStart)
+                r.length += preeditAreaLength;
         }
 
         ranges << r;
-        r.start = r.length = -1;
+        formatsChanged = true;
+        r.start = -1;
     }
 
     if (r.start != -1) {
         r.length = formatChanges.count() - r.start;
 
-        if (r.start >= preeditAreaStart) {
-            r.start += preeditAreaLength;
-        } else if (r.start + r.length >= preeditAreaStart) {
-            r.length += preeditAreaLength;
+        if (preeditAreaLength != 0) {
+            if (r.start >= preeditAreaStart)
+                r.start += preeditAreaLength;
+            else if (r.start + r.length >= preeditAreaStart)
+                r.length += preeditAreaLength;
         }
 
         ranges << r;
+        formatsChanged = true;
     }
 
-    layout->setAdditionalFormats(ranges);
+    if (formatsChanged) {
+        layout->setAdditionalFormats(ranges);
+        doc->markContentsDirty(currentBlock.position(), currentBlock.length());
+    }
 }
 
 void QSyntaxHighlighterPrivate::_q_reformatBlocks(int from, int charsRemoved, int charsAdded)
 {
-    Q_UNUSED(charsRemoved);
+    if (!inReformatBlocks)
+        reformatBlocks(from, charsRemoved, charsAdded);
+}
+
+void QSyntaxHighlighterPrivate::reformatBlocks(int from, int charsRemoved, int charsAdded)
+{
     rehighlightPending = false;
 
     QTextBlock block = doc->findBlock(from);
@@ -191,21 +213,18 @@ void QSyntaxHighlighterPrivate::_q_reformatBlocks(int from, int charsRemoved, in
     formatChanges.clear();
 }
 
-void QSyntaxHighlighterPrivate::reformatBlock(QTextBlock block)
+void QSyntaxHighlighterPrivate::reformatBlock(const QTextBlock &block)
 {
     Q_Q(QSyntaxHighlighter);
 
     Q_ASSERT_X(!currentBlock.isValid(), "QSyntaxHighlighter::reformatBlock()", "reFormatBlock() called recursively");
 
     currentBlock = block;
-    QTextBlock previous = block.previous();
 
     formatChanges.fill(QTextCharFormat(), block.length() - 1);
     q->highlightBlock(block.text());
     applyFormatChanges();
 
-    doc->markContentsDirty(block.position(), block.length());
-
     currentBlock = QTextBlock();
 }
 
@@ -349,8 +368,8 @@ void QSyntaxHighlighter::setDocument(QTextDocument *doc)
     if (d->doc) {
         connect(d->doc, SIGNAL(contentsChange(int,int,int)),
                 this, SLOT(_q_reformatBlocks(int,int,int)));
-        QTimer::singleShot(0, this, SLOT(_q_delayedRehighlight()));
         d->rehighlightPending = true;
+        QTimer::singleShot(0, this, SLOT(_q_delayedRehighlight()));
     }
 }
 
@@ -391,11 +410,16 @@ void QSyntaxHighlighter::rehighlight()
 void QSyntaxHighlighter::rehighlightBlock(const QTextBlock &block)
 {
     Q_D(QSyntaxHighlighter);
-    if (!d->doc)
+    if (!d->doc || !block.isValid() || block.document() != d->doc)
         return;
 
+    const bool rehighlightPending = d->rehighlightPending;
+
     QTextCursor cursor(block);
     d->rehighlight(cursor, QTextCursor::EndOfBlock);
+
+    if (rehighlightPending)
+        d->rehighlightPending = rehighlightPending;
 }
 
 /*!
@@ -460,7 +484,6 @@ void QSyntaxHighlighter::rehighlightBlock(const QTextBlock &block)
 void QSyntaxHighlighter::setFormat(int start, int count, const QTextCharFormat &format)
 {
     Q_D(QSyntaxHighlighter);
-
     if (start < 0 || start >= d->formatChanges.count())
         return;
 
@@ -628,7 +651,7 @@ QTextBlockUserData *QSyntaxHighlighter::currentBlockUserData() const
     \since 4.4
 
     Returns the current text block.
- */
+*/
 QTextBlock QSyntaxHighlighter::currentBlock() const
 {
     Q_D(const QSyntaxHighlighter);
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 02eae98..2291138 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -1434,9 +1434,7 @@ void QTextEngine::itemize() const
         layoutData->hasBidi = bidiItemize(const_cast<QTextEngine *>(this), analysis, control);
     }
 
-    const ushort *unicode = layoutData->string.utf16();
-    // correctly assign script, isTab and isObject to the script analysis
-    const ushort *uc = unicode;
+    const ushort *uc = reinterpret_cast<const ushort *>(layoutData->string.unicode());
     const ushort *e = uc + length;
     int lastScript = QUnicodeTables::Common;
     while (uc < e) {
diff --git a/src/gui/widgets/qabstractspinbox.cpp b/src/gui/widgets/qabstractspinbox.cpp
index 4a6235c..7e2f20d 100644
--- a/src/gui/widgets/qabstractspinbox.cpp
+++ b/src/gui/widgets/qabstractspinbox.cpp
@@ -1248,8 +1248,11 @@ void QAbstractSpinBox::contextMenuEvent(QContextMenuEvent *event)
 #else
     Q_D(QAbstractSpinBox);
 
-    d->reset();
     QPointer<QMenu> menu = d->edit->createStandardContextMenu();
+    if (!menu)
+        return;
+
+    d->reset();
 
     QAction *selAll = new QAction(tr("&Select All"), menu);
     menu->insertAction(d->edit->d_func()->selectAllAction,
diff --git a/src/gui/widgets/qlabel_p.h b/src/gui/widgets/qlabel_p.h
index 21eb128..fba7224 100644
--- a/src/gui/widgets/qlabel_p.h
+++ b/src/gui/widgets/qlabel_p.h
@@ -55,7 +55,7 @@
 
 #include "qlabel.h"
 
-#include "../text/qtextdocumentlayout_p.h"
+#include "private/qtextdocumentlayout_p.h"
 #include "private/qtextcontrol_p.h"
 #include "qtextdocumentfragment.h"
 #include "qframe_p.h"
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index db099e8..9ec0feb 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -65,7 +65,7 @@ QT_BEGIN_NAMESPACE
     Updates the display text based of the current edit text
     If the text has changed will emit displayTextChanged()
 */
-void QLineControl::updateDisplayText()
+void QLineControl::updateDisplayText(bool forceUpdate)
 {
     QString orig = m_textLayout.text();
     QString str;
@@ -102,7 +102,7 @@ void QLineControl::updateDisplayText()
     m_textLayout.endLayout();
     m_ascent = qRound(l.ascent());
 
-    if (str != orig)
+    if (str != orig || forceUpdate)
         emit displayTextChanged(str);
 }
 
@@ -476,7 +476,7 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         }
     }
     m_textLayout.setAdditionalFormats(formats);
-    updateDisplayText();
+    updateDisplayText(/*force*/ true);
     if (cursorPositionChanged)
         emitCursorPositionChanged();
     if (isGettingInput)
diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h
index d6f2705..3f1bc2c 100644
--- a/src/gui/widgets/qlinecontrol_p.h
+++ b/src/gui/widgets/qlinecontrol_p.h
@@ -239,7 +239,7 @@ private:
     void init(const QString &txt);
     void removeSelectedText();
     void internalSetText(const QString &txt, int pos = -1, bool edited = true);
-    void updateDisplayText();
+    void updateDisplayText(bool forceUpdate = false);
 
     void internalInsert(const QString &s);
     void internalDelete(bool wasBackspace = false);
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 0ba8b9f..94ee4b3 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -383,8 +383,6 @@ void QLineEdit::setText(const QString& text)
     d->control->setText(text);
 }
 
-// ### Qt 4.7: remove this #if guard
-#if (QT_VERSION >= 0x407000) || defined(Q_WS_MAEMO_5)
 /*!
     \since 4.7
 
@@ -414,7 +412,6 @@ void QLineEdit::setPlaceholderText(const QString& placeholderText)
             update();
     }
 }
-#endif
 
 /*!
     \property QLineEdit::displayText
@@ -547,6 +544,11 @@ void QLineEdit::setEchoMode(EchoMode mode)
     } else {
         imHints &= ~Qt::ImhHiddenText;
     }
+    if (mode != Normal) {
+        imHints |= (Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
+    } else {
+        imHints &= ~(Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
+    }
     setInputMethodHints(imHints);
     d->control->setEchoMode(mode);
     update();
@@ -2038,9 +2040,10 @@ void QLineEdit::dropEvent(QDropEvent* e)
 */
 void QLineEdit::contextMenuEvent(QContextMenuEvent *event)
 {
-    QMenu *menu = createStandardContextMenu();
-    menu->setAttribute(Qt::WA_DeleteOnClose);
-    menu->popup(event->globalPos());
+    if (QMenu *menu = createStandardContextMenu()) {
+        menu->setAttribute(Qt::WA_DeleteOnClose);
+        menu->popup(event->globalPos());
+    }
 }
 
 #if defined(Q_WS_WIN)
diff --git a/src/gui/widgets/qlineedit.h b/src/gui/widgets/qlineedit.h
index fa04bfc..94e0dbe 100644
--- a/src/gui/widgets/qlineedit.h
+++ b/src/gui/widgets/qlineedit.h
@@ -83,10 +83,7 @@ class Q_GUI_EXPORT QLineEdit : public QWidget
     Q_PROPERTY(bool undoAvailable READ isUndoAvailable)
     Q_PROPERTY(bool redoAvailable READ isRedoAvailable)
     Q_PROPERTY(bool acceptableInput READ hasAcceptableInput)
-// ### Qt 4.7: remove this #if guard
-#if (QT_VERSION >= 0x407000) || defined(Q_WS_MAEMO_5)
     Q_PROPERTY(QString placeholderText READ placeholderText WRITE setPlaceholderText)
-#endif
 
 public:
     explicit QLineEdit(QWidget* parent=0);
@@ -102,11 +99,8 @@ public:
 
     QString displayText() const;
 
-// ### Qt 4.7: remove this #if guard
-#if (QT_VERSION >= 0x407000) || defined(Q_WS_MAEMO_5)
     QString placeholderText() const;
     void setPlaceholderText(const QString &);
-#endif
 
     int maxLength() const;
     void setMaxLength(int);
diff --git a/src/gui/widgets/qmainwindow.cpp b/src/gui/widgets/qmainwindow.cpp
index 4620597..bdab6fb 100644
--- a/src/gui/widgets/qmainwindow.cpp
+++ b/src/gui/widgets/qmainwindow.cpp
@@ -1478,7 +1478,8 @@ void QMainWindow::setUnifiedTitleAndToolBarOnMac(bool set)
         return;
 
     // ### Disable the unified toolbar when using anything but the native graphics system.
-    if (windowSurface())
+    // ### Disable when using alien widgets as well
+    if (windowSurface() || testAttribute(Qt::WA_NativeWindow) == false)
         return;
 
     d->useHIToolBar = set;
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index 99c550f..2570cb5 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -924,14 +924,27 @@ static QString qt_mac_menu_merge_text(QMacMenuAction *action)
     else if (action->command == kHICommandQuit)
         ret = QMenuBar::tr("Quit %1").arg(qAppName());
 #else
-    else if (action->menuItem == [loader aboutMenuItem])
-        ret = QMenuBar::tr("About %1").arg(qAppName());
-    else if (action->menuItem == [loader aboutQtMenuItem])
-        ret = QMenuBar::tr("About Qt");
-    else if (action->menuItem == [loader preferencesMenuItem])
-        ret = QMenuBar::tr("Preferences");
-    else if (action->menuItem == [loader quitMenuItem])
-        ret = QMenuBar::tr("Quit %1").arg(qAppName());
+    else if (action->menuItem == [loader aboutMenuItem]) {
+        if (action->action->text() == QString("About %1").arg(qAppName()))
+            ret = QMenuBar::tr("About %1").arg(qAppName());
+        else
+            ret = action->action->text();
+    } else if (action->menuItem == [loader aboutQtMenuItem]) {
+        if (action->action->text() == QString("About Qt"))
+            ret = QMenuBar::tr("About Qt");
+        else
+            ret = action->action->text();
+    } else if (action->menuItem == [loader preferencesMenuItem]) {
+        if (action->action->text() == QString("Preferences"))
+            ret = QMenuBar::tr("Preferences");
+        else
+            ret = action->action->text();
+    } else if (action->menuItem == [loader quitMenuItem]) {
+        if (action->action->text() == QString("Quit %1").arg(qAppName()))
+            ret = QMenuBar::tr("About %1").arg(qAppName());
+        else
+            ret = action->action->text();
+    }
 #endif
     return ret;
 }
@@ -2180,3 +2193,4 @@ static OSMenuRef qt_mac_create_menu(QWidget *w)
 
 
 QT_END_NAMESPACE
+
diff --git a/src/multimedia/base/qpaintervideosurface.cpp b/src/multimedia/base/qpaintervideosurface.cpp
index 97fddc9..fc3d493 100644
--- a/src/multimedia/base/qpaintervideosurface.cpp
+++ b/src/multimedia/base/qpaintervideosurface.cpp
@@ -1158,14 +1158,14 @@ QAbstractVideoSurface::Error QVideoSurfaceGlslPainter::paint(
             glBindTexture(GL_TEXTURE_2D, m_textureIds[2]);
             glActiveTexture(GL_TEXTURE0);
 
-            m_program.setUniformValue("texY", 0);
-            m_program.setUniformValue("texU", 1);
-            m_program.setUniformValue("texV", 2);
+            m_program.setUniformValue("texY", GLint(0));
+            m_program.setUniformValue("texU", GLint(1));
+            m_program.setUniformValue("texV", GLint(2));
         } else {
             glActiveTexture(GL_TEXTURE0);
             glBindTexture(GL_TEXTURE_2D, m_textureIds[0]);
 
-            m_program.setUniformValue("texRgb", 0);
+            m_program.setUniformValue("texRgb", GLint(0));
         }
         m_program.setUniformValue("colorMatrix", m_colorMatrix);
 
diff --git a/src/multimedia/effects/qsoundeffect_pulse_p.cpp b/src/multimedia/effects/qsoundeffect_pulse_p.cpp
index 7e9a25c..d99bf4b 100644
--- a/src/multimedia/effects/qsoundeffect_pulse_p.cpp
+++ b/src/multimedia/effects/qsoundeffect_pulse_p.cpp
@@ -63,7 +63,7 @@
 
 #include "qsoundeffect_pulse_p.h"
 
-#if(Q_WS_MAEMO_5)
+#if defined(Q_WS_MAEMO_5)
 #include <pulse/ext-stream-restore.h>
 #endif
 
@@ -157,7 +157,7 @@ private:
         lock();
         m_context = pa_context_new(m_mainLoopApi, QString(QLatin1String("QtPulseAudio:%1")).arg(::getpid()).toAscii().constData());
 
-#if(Q_WS_MAEMO_5)
+#if defined(Q_WS_MAEMO_5)
         pa_context_set_state_callback(m_context, context_state_callback, this);
 #endif
         if (m_context == 0) {
@@ -185,7 +185,7 @@ private:
         m_prepared = false;
     }
 
-#if(Q_WS_MAEMO_5)
+#if defined(Q_WS_MAEMO_5)
     static void context_state_callback(pa_context *c, void *userdata)
     {
         PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata);
@@ -301,7 +301,7 @@ void QSoundEffectPrivate::play()
     pa_volume_t m_vol = PA_VOLUME_NORM;
 
     daemon()->lock();
-#if(Q_WS_MAEMO_5)
+#if defined(Q_WS_MAEMO_5)
     m_vol = PA_VOLUME_NORM/100*((daemon()->volume()+m_vol)/2);
 #endif
     pa_operation_unref(
diff --git a/src/plugins/bearer/corewlan/qcorewlanengine.mm b/src/plugins/bearer/corewlan/qcorewlanengine.mm
index 598d2f0..2d33d36 100644
--- a/src/plugins/bearer/corewlan/qcorewlanengine.mm
+++ b/src/plugins/bearer/corewlan/qcorewlanengine.mm
@@ -170,7 +170,7 @@ void QCoreWlanEngine::connectToId(const QString &id)
 
         while ((wProfile = [enumerator nextObject])) { //CWWirelessProfile
 
-            if(id == nsstringToQString([wProfile ssid])) {
+            if(id ==  QString::number(qHash(QLatin1String("corewlan:") + nsstringToQString([wProfile ssid])))) {
                 user8021XProfile = nil;
                 user8021XProfile = [ wProfile user8021XProfile];
 
@@ -201,7 +201,6 @@ void QCoreWlanEngine::connectToId(const QString &id)
                                 return;
                             }
                         }
-                        [apNetwork release];
                     }
                 }
             }
@@ -292,7 +291,7 @@ void QCoreWlanEngine::doRequestUpdate()
         if (!interface.addressEntries().isEmpty())
             state = QNetworkConfiguration::Active;
 
-        if (accessPointConfigurations.contains(id)) {
+        if (accessPointConfigurations.contains(id)) { //handle only scanned AP's
             QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(id);
 
             bool changed = false;
@@ -319,20 +318,6 @@ void QCoreWlanEngine::doRequestUpdate()
 
             if (changed)
                 emit configurationChanged(ptr);
-        } else {
-            QNetworkConfigurationPrivatePointer ptr(new QNetworkConfigurationPrivate);
-
-            ptr->name = name;
-            ptr->isValid = true;
-            ptr->id = id;
-            ptr->state = state;
-            ptr->type = QNetworkConfiguration::InternetAccessPoint;
-            ptr->bearer = qGetInterfaceType(interface.name());
-
-            accessPointConfigurations.insert(id, ptr);
-            configurationInterface.insert(id, interface.name());
-
-            emit configurationAdded(ptr);
         }
     }
 
@@ -496,12 +481,6 @@ bool QCoreWlanEngine::getAllScInterfaces()
             CFStringRef type = SCNetworkInterfaceGetInterfaceType((SCNetworkInterfaceRef)thisInterface);
             if ( CFEqual(type, kSCNetworkInterfaceTypeIEEE80211)) {
                 typeStr = "WLAN";
-//            } else if (CFEqual(type, kSCNetworkInterfaceTypeBluetooth)) {
-//                typeStr = "Bluetooth";
-            } else if(CFEqual(type, kSCNetworkInterfaceTypeEthernet)) {
-                typeStr = "Ethernet";
-            } else if(CFEqual(type, kSCNetworkInterfaceTypeFireWire)) {
-                typeStr = "Ethernet"; //ok a bit fudged
             }
             if(!networkInterfaces.contains(interfaceName) && !typeStr.isEmpty()) {
                 networkInterfaces.insert(interfaceName,typeStr);