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
  ...

11 files changed, 228 insertions, 53 deletions

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