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

16 files changed, 596 insertions, 162 deletions

diff --git a/src/gui/kernel/qaction.cpp b/src/gui/kernel/qaction.cpp
index 6a6e549..5f5650f 100644
--- a/src/gui/kernel/qaction.cpp
+++ b/src/gui/kernel/qaction.cpp
@@ -276,7 +276,7 @@ void QActionPrivate::setShortcutEnabled(bool enable, QShortcutMap &map)
     This enum describes how an action should be placed in the softkey bar. Currently this enum only
     has an effect on the Symbian platform.
 
-    \value NoSoftKey This action should be used as a softkey
+    \value NoSoftKey This action should not be used as a softkey
     \value PositiveSoftKey This action is used to describe a softkey with a positive or non-destructive
            role such as Ok, Select, or Options.
     \value NegativeSoftKey This action is used to describe a soft ey with a negative or destructive role
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 5476e36..41d8098 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -5646,7 +5646,7 @@ Qt::GestureType QApplication::registerGestureRecognizer(QGestureRecognizer *reco
 
     Unregisters all gesture recognizers of the specified \a type.
 
-    \sa registerGestureRecognizer
+    \sa registerGestureRecognizer()
 */
 void QApplication::unregisterGestureRecognizer(Qt::GestureType type)
 {
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 6d50e55..cb9dda4 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -464,12 +464,47 @@ void QSymbianControl::HandlePointerEventL(const TPointerEvent& pEvent)
     QT_TRYCATCH_LEAVING(HandlePointerEvent(pEvent));
 }
 
+typedef QPair<QWidget*,QMouseEvent> Event;
+
+/*
+ * Helper function called by HandlePointerEvent - separated to keep that function readable
+ */
+static void generateEnterLeaveEvents(QList<Event> &events, QWidget *widgetUnderPointer,
+    QPoint globalPos, Qt::MouseButton button, Qt::KeyboardModifiers modifiers)
+{
+    //moved to another widget, create enter and leave events
+    if (S60->lastPointerEventTarget) {
+        QMouseEvent mEventLeave(QEvent::Leave, S60->lastPointerEventTarget->mapFromGlobal(
+            S60->lastCursorPos), S60->lastCursorPos, button, QApplicationPrivate::mouse_buttons,
+            modifiers);
+        events.append(Event(S60->lastPointerEventTarget, mEventLeave));
+    }
+    if (widgetUnderPointer) {
+        QMouseEvent mEventEnter(QEvent::Enter, widgetUnderPointer->mapFromGlobal(globalPos),
+            globalPos, button, QApplicationPrivate::mouse_buttons, modifiers);
+
+        events.append(Event(widgetUnderPointer, mEventEnter));
+#ifndef QT_NO_CURSOR
+        S60->curWin = widgetUnderPointer->effectiveWinId();
+        if (!QApplication::overrideCursor()) {
+#ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS
+            if (S60->brokenPointerCursors)
+                qt_symbian_set_pointer_sprite(widgetUnderPointer->cursor());
+            else
+#endif
+                qt_symbian_setWindowCursor(widgetUnderPointer->cursor(), S60->curWin);
+        }
+#endif
+    }
+}
+
+
 void QSymbianControl::HandlePointerEvent(const TPointerEvent& pEvent)
 {
-    //### refactor me, getting too complex
     QMouseEvent::Type type;
     Qt::MouseButton button;
     mapS60MouseEventTypeToQt(&type, &button, &pEvent);
+    Qt::KeyboardModifiers modifiers = mapToQtModifiers(pEvent.iModifiers);
 
     if (m_previousEventLongTap)
         if (type == QEvent::MouseButtonRelease){
@@ -481,79 +516,76 @@ void QSymbianControl::HandlePointerEvent(const TPointerEvent& pEvent)
         return;
 
     // store events for later sending/saving
-    QWidget *alienWidget;
-    typedef QPair<QWidget*,QMouseEvent> Event;
     QList<Event > events;
 
     QPoint widgetPos = QPoint(pEvent.iPosition.iX, pEvent.iPosition.iY);
     TPoint controlScreenPos = PositionRelativeToScreen();
     QPoint globalPos = QPoint(controlScreenPos.iX, controlScreenPos.iY) + widgetPos;
 
-    if (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick || type == QEvent::MouseMove)
-    {
-        // get the widget where the event happened
-        alienWidget = qwidget->childAt(widgetPos);
-        if (!alienWidget)
-            alienWidget = qwidget;
-        S60->mousePressTarget = alienWidget;
+    // widgets interested in the event
+    QWidget *widgetUnderPointer = qwidget->childAt(widgetPos);
+    if (!widgetUnderPointer)
+        widgetUnderPointer = qwidget; //i.e. this container widget
+
+    QWidget *widgetWithMouseGrab = QWidget::mouseGrabber();
+
+    // handle auto grab of pointer when pressing / releasing
+    if (!widgetWithMouseGrab && type == QEvent::MouseButtonPress) {
+        //if previously auto-grabbed, generate a fake mouse release (platform bug: mouse release event was lost)
+        if (S60->mousePressTarget) {
+            QMouseEvent mEvent(QEvent::MouseButtonRelease, S60->mousePressTarget->mapFromGlobal(globalPos), globalPos,
+                button, QApplicationPrivate::mouse_buttons, modifiers);
+            events.append(Event(S60->mousePressTarget,mEvent));
+        }
+        //auto grab the mouse
+        widgetWithMouseGrab = S60->mousePressTarget = widgetUnderPointer;
+        widgetWithMouseGrab->grabMouse();
+    }
+    if (widgetWithMouseGrab && widgetWithMouseGrab == S60->mousePressTarget && type == QEvent::MouseButtonRelease) {
+        //release the auto grab - note this release event still goes to the autograb widget
+        S60->mousePressTarget = 0;
+        widgetWithMouseGrab->releaseMouse();
     }
 
-    alienWidget = S60->mousePressTarget;
+    QWidget *widgetToReceiveMouseEvent;
+    if (widgetWithMouseGrab)
+        widgetToReceiveMouseEvent = widgetWithMouseGrab;
+    else
+        widgetToReceiveMouseEvent = widgetUnderPointer;
 
-    if (alienWidget != S60->lastPointerEventTarget)
-        if (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick || type == QEvent::MouseMove)
-        {
-            //moved to another widget, create enter and leave events
-            if (S60->lastPointerEventTarget)
-            {
-                QMouseEvent mEventLeave(QEvent::Leave, S60->lastPointerEventTarget->mapFromGlobal(S60->lastCursorPos), S60->lastCursorPos,
-                    button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(pEvent.iModifiers));
-                events.append(Event(S60->lastPointerEventTarget,mEventLeave));
-            }
-            if (alienWidget) {
-                QMouseEvent mEventEnter(QEvent::Enter, alienWidget->mapFromGlobal(globalPos),
-                    globalPos, button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(
-                        pEvent.iModifiers));
+    //queue QEvent::Enter and QEvent::Leave, if the pointer has moved
+    if (widgetUnderPointer != S60->lastPointerEventTarget && (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick || type == QEvent::MouseMove))
+        generateEnterLeaveEvents(events, widgetUnderPointer, globalPos, button, modifiers);
 
-                events.append(Event(alienWidget, mEventEnter));
-#ifndef QT_NO_CURSOR
-                S60->curWin = alienWidget->effectiveWinId();
-                if (!QApplication::overrideCursor()) {
-#ifndef Q_SYMBIAN_FIXED_POINTER_CURSORS
-                    if (S60->brokenPointerCursors)
-                        qt_symbian_set_pointer_sprite(alienWidget->cursor());
-                    else
-#endif
-                        qt_symbian_setWindowCursor(alienWidget->cursor(), S60->curWin);
-                }
-#endif
-            }
-        }
+    //save global state
     S60->lastCursorPos = globalPos;
+    S60->lastPointerEventPos = widgetPos;
+    S60->lastPointerEventTarget = widgetUnderPointer;
+
 #if !defined(QT_NO_CURSOR) && !defined(Q_SYMBIAN_FIXED_POINTER_CURSORS)
     if (S60->brokenPointerCursors)
         qt_symbian_move_cursor_sprite();
 #endif
-    S60->lastPointerEventPos = widgetPos;
-    S60->lastPointerEventTarget = alienWidget;
-    if (alienWidget)
-    {
-        QMouseEvent mEvent(type, alienWidget->mapFromGlobal(globalPos), globalPos,
-            button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(pEvent.iModifiers));
-        events.append(Event(alienWidget,mEvent));
-        QEventDispatcherS60 *dispatcher;
-        // It is theoretically possible for someone to install a different event dispatcher.
-        if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(alienWidget->d_func()->threadData->eventDispatcher)) != 0) {
-            if (dispatcher->excludeUserInputEvents()) {
-                for (int i=0;i < events.count();++i)
-                {
-                    Event next = events[i];
-                    dispatcher->saveInputEvent(this, next.first, new QMouseEvent(next.second));
-                }
-                return;
+
+    //queue this event.
+    Q_ASSERT(widgetToReceiveMouseEvent);
+    QMouseEvent mEvent(type, widgetToReceiveMouseEvent->mapFromGlobal(globalPos), globalPos,
+        button, QApplicationPrivate::mouse_buttons, modifiers);
+    events.append(Event(widgetToReceiveMouseEvent,mEvent));
+    QEventDispatcherS60 *dispatcher;
+    // It is theoretically possible for someone to install a different event dispatcher.
+    if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(widgetToReceiveMouseEvent->d_func()->threadData->eventDispatcher)) != 0) {
+        if (dispatcher->excludeUserInputEvents()) {
+            for (int i=0;i < events.count();++i)
+            {
+                Event next = events[i];
+                dispatcher->saveInputEvent(this, next.first, new QMouseEvent(next.second));
             }
+            return;
         }
     }
+
+    //send events in the queue
     for (int i=0;i < events.count();++i)
     {
         Event next = events[i];
@@ -1123,6 +1155,11 @@ void qt_init(QApplicationPrivate * /* priv */, int)
             ;
     }
 */
+
+    // Register WId with the metatype system.  This is to enable
+    // QWidgetPrivate::create_sys to used delayed slot invokation in order
+    // to destroy WId objects during reparenting.
+    qRegisterMetaType<WId>("WId");
 }
 
 /*****************************************************************************
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index b1c5fc5..4c2a14a 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -1066,7 +1066,10 @@ extern "C" {
         sendToPopup = true;
     }
 
-    if (widgetToGetKey->testAttribute(Qt::WA_InputMethodEnabled)) {
+    if (widgetToGetKey->testAttribute(Qt::WA_InputMethodEnabled)
+            && !(widgetToGetKey->inputMethodHints() & Qt::ImhDigitsOnly
+                 || widgetToGetKey->inputMethodHints() & Qt::ImhFormattedNumbersOnly
+                 || widgetToGetKey->inputMethodHints() & Qt::ImhHiddenText)) {
         [qt_mac_nativeview_for(widgetToGetKey) interpretKeyEvents:[NSArray arrayWithObject: theEvent]];
     }
     if (sendKeyEvents && !composing) {
@@ -1420,29 +1423,29 @@ Qt::DropAction QDragManager::drag(QDrag *o)
     // convert the image to NSImage.
     NSImage *image = (NSImage *)qt_mac_create_nsimage(pix);
     [image retain];
-    DnDParams *dndParams = [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent];
+    DnDParams dndParams = *[QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent];
     // save supported actions
-    [dndParams->view setSupportedActions: qt_mac_mapDropActions(dragPrivate()->possible_actions)];
-    NSPoint imageLoc = {dndParams->localPoint.x - hotspot.x(),
-                        dndParams->localPoint.y + pix.height() - hotspot.y()};
+    [dndParams.view setSupportedActions: qt_mac_mapDropActions(dragPrivate()->possible_actions)];
+    NSPoint imageLoc = {dndParams.localPoint.x - hotspot.x(),
+                        dndParams.localPoint.y + pix.height() - hotspot.y()};
     NSSize mouseOffset = {0.0, 0.0};
     NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
-    NSPoint windowPoint = [dndParams->theEvent locationInWindow];
+    NSPoint windowPoint = [dndParams.theEvent locationInWindow];
     dragPrivate()->executed_action = Qt::ActionMask;
     // do the drag
-    [dndParams->view retain];
-    [dndParams->view dragImage:image
+    [dndParams.view retain];
+    [dndParams.view dragImage:image
                             at:imageLoc
                         offset:mouseOffset
-                         event:dndParams->theEvent
+                         event:dndParams.theEvent
                     pasteboard:pboard
-                        source:dndParams->view
+                        source:dndParams.view
                      slideBack:YES];
-    [dndParams->view release];
+    [dndParams.view release];
     [image release];
     dragPrivate()->executed_action = Qt::IgnoreAction;
     object = 0;
-    Qt::DropAction performedAction(qt_mac_mapNSDragOperation(dndParams->performedAction));
+    Qt::DropAction performedAction(qt_mac_mapNSDragOperation(dndParams.performedAction));
     // do post drag processing, if required.
     if(performedAction != Qt::IgnoreAction) {
         // check if the receiver points us to a file location.
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index 4826704..2ff6d65 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -3563,6 +3563,7 @@ QMenubarUpdatedEvent::QMenubarUpdatedEvent(QMenuBar * const menuBar)
     \brief The QTouchEvent class contains parameters that describe a touch event.
     \since 4.6
     \ingroup events
+    \ingroup multitouch
 
     \section1 Enabling Touch Events
 
@@ -4195,6 +4196,7 @@ QTouchEvent::TouchPoint &QTouchEvent::TouchPoint::operator=(const QTouchEvent::T
     \class QGestureEvent
     \since 4.6
     \ingroup events
+    \ingroup gestures
 
     \brief The QGestureEvent class provides the description of triggered gestures.
 
@@ -4316,4 +4318,44 @@ bool QGestureEvent::isAccepted(QGesture *gesture) const
     return gesture ? gesture->d_func()->accept : false;
 }
 
+#ifdef Q_NO_USING_KEYWORD
+/*!
+    \fn void QGestureEvent::setAccepted(bool accepted)
+
+    Sets or clears the event's internal flag that determines whether it should
+    be delivered to other objects.
+
+    Calling this function with a value of true for \a accepted indicates that the
+    caller has accepted the event and that it should not be propagated further.
+    Calling this function with a value of false indicates that the caller has
+    ignored the event and that it should be delivered to other objects.
+
+    For convenience, the accept flag can also be set with accept(), and cleared
+    with ignore().
+
+    \sa QEvent::accepted
+*/
+/*!
+    \fn bool QGestureEvent::isAccepted() const
+
+    Returns true is the event has been accepted; otherwise returns false.
+
+    \sa QEvent::accepted
+*/
+/*!
+    \fn void QGestureEvent::accept()
+
+    Accepts the event, the equivalent of calling setAccepted(true).
+
+    \sa QEvent::accept()
+*/
+/*!
+    \fn void QGestureEvent::ignore()
+
+    Ignores the event, the equivalent of calling setAccepted(false).
+
+    \sa QEvent::ignore()
+*/
+#endif
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qgesture.cpp b/src/gui/kernel/qgesture.cpp
index 3639a45..fc8df49 100644
--- a/src/gui/kernel/qgesture.cpp
+++ b/src/gui/kernel/qgesture.cpp
@@ -47,15 +47,19 @@ QT_BEGIN_NAMESPACE
  /*!
     \class QGesture
     \since 4.6
+    \ingroup gestures
 
     \brief The QGesture class represents a gesture, containing properties that
     describe the corresponding user input.
 
-    QGesture objects are delivered to widgets and \l{QGraphicsObject}s with
-    \l{QGestureEvent}s.
+    Gesture objects are not constructed directly by developers. They are created by
+    the QGestureRecognizer object that is registered with the application; see
+    QApplication::registerGestureRecognizer().
+
+    \section1 Gesture Properties
 
     The class has a list of properties that can be queried by the user to get
-    some gesture-specific arguments. For example, the QPinchGesture gesture has a scale
+    some gesture-specific arguments. For example, the pinch gesture has a scale
     factor that is exposed as a property.
 
     Developers of custom gesture recognizers can add additional properties in
@@ -63,6 +67,23 @@ QT_BEGIN_NAMESPACE
     by adding new dynamic properties to a QGesture object, or by subclassing
     the QGesture class (or one of its subclasses).
 
+    \section1 Lifecycle of a Gesture Object
+
+    A QGesture instance is created when the application calls QWidget::grabGesture()
+    or QGraphicsObject::grabGesture() to configure a widget or graphics object (the
+    target object) for gesture input. One gesture object is created for each target
+    object.
+
+    The registered gesture recognizer monitors the input events for the target
+    object via its \l{QGestureRecognizer::}{filterEvent()} function, updating the
+    properties of the gesture object as required.
+
+    The gesture object may be delivered to the target object in a QGestureEvent if
+    the corresponding gesture is active or has just been canceled. Each event that
+    is delivered contains a list of gesture objects, since support for more than
+    one gesture may be enabled for the target object. Due to the way events are
+    handled in Qt, gesture events may be filtered by other objects.
+
     \sa QGestureEvent, QGestureRecognizer
 */
 
@@ -165,8 +186,55 @@ void QGesture::unsetHotSpot()
     d_func()->isHotSpotSet = false;
 }
 
-// QPanGesture
+/*!
+    \class QPanGesture
+    \since 4.6
+    \brief The QPanGesture class describes a panning gesture made by the user.
+    \ingroup gestures
+
+    \image pangesture.png
 
+    \sa {Gestures Programming}, QPinchGesture, QSwipeGesture
+*/
+
+/*!
+    \property QPanGesture::totalOffset
+    \brief the total offset from the first input position to the current input
+    position
+
+    The total offset measures the total change in position of the user's input
+    covered by the gesture on the input device.
+*/
+
+/*!
+    \property QPanGesture::lastOffset
+    \brief the last offset recorded for this gesture
+
+    The last offset contains the change in position of the user's input as
+    reported in the \l offset property when a previous gesture event was
+    delivered for this gesture.
+
+    If no previous event was delivered with information about this gesture
+    (i.e., this gesture object contains information about the first movement
+    in the gesture) then this property contains a zero size.
+*/
+
+/*!
+    \property QPanGesture::offset
+    \brief the offset from the previous input position to the current input
+    position
+
+    The offset measures the change in position of the user's input on the
+    input device.
+*/
+
+/*!
+    \property QPanGesture::acceleration
+*/
+
+/*!
+    \internal
+*/
 QPanGesture::QPanGesture(QObject *parent)
     : QGesture(*new QPanGesturePrivate, parent)
 {
@@ -214,8 +282,139 @@ void QPanGesture::setAcceleration(qreal value)
     d_func()->acceleration = value;
 }
 
-// QPinchGesture
+/*!
+    \class QPinchGesture
+    \since 4.6
+    \brief The QPinchGesture class describes a pinch gesture made my the user.
+    \ingroup multitouch
+    \ingroup gestures
+
+    A pinch gesture is a form of multitouch user input in which the user typically
+    touches two points on the input device with a thumb and finger, before moving
+    them closer together or further apart to change the scale factor, zoom, or level
+    of detail of the user interface.
+
+    \image pinchgesture.png
+
+    Instead of repeatedly applying the same pinching gesture, the user may
+    continue to touch the input device in one place, and apply a second touch
+    to a new point, continuing the gesture. When this occurs, gesture events
+    will continue to be delivered to the target object, containing an instance
+    of QPinchGesture in the Qt::GestureUpdated state.
+
+    \sa {Gestures Programming}, QPanGesture, QSwipeGesture
+*/
+
+/*!
+    \enum QPinchGesture::WhatChange
+    
+    This enum describes the changes that can occur to the properties of
+    the gesture object.
+
+    \value ScaleFactorChanged The scale factor held by scaleFactor changed.
+    \value RotationAngleChanged The rotation angle held by rotationAngle changed.
+    \value CenterPointChanged The center point held by centerPoint changed.
+
+    \sa whatChanged
+*/
+
+/*!
+    \property QPinchGesture::whatChanged
+    \brief the property of the gesture that has changed
+
+    This property indicates which of the other properties has changed since
+    the previous gesture event included information about this gesture. You
+    can use this information to determine which aspect of your user interface
+    needs to be updated.
+
+    \sa scaleFactor, rotationAngle, centerPoint
+*/
+
+/*!
+    \property QPinchGesture::totalScaleFactor
+    \brief the total scale factor
+
+    The total scale factor measures the total change in scale factor from the
+    original value to the current scale factor.
+
+    \sa scaleFactor, lastScaleFactor
+*/
+/*!
+    \property QPinchGesture::lastScaleFactor
+    \brief the last scale factor recorded for this gesture
+
+    The last scale factor contains the scale factor reported in the
+    \l scaleFactor property when a previous gesture event included
+    information about this gesture.
+
+    If no previous event was delivered with information about this gesture
+    (i.e., this gesture object contains information about the first movement
+    in the gesture) then this property contains zero.
+
+    \sa scaleFactor, totalScaleFactor
+*/
+/*!
+    \property QPinchGesture::scaleFactor
+    \brief the current scale factor
+
+    The scale factor measures the scale factor associated with the distance
+    between two of the user's inputs on a multitouch device.
+
+    \sa totalScaleFactor, lastScaleFactor
+*/
+
+/*!
+    \property QPinchGesture::totalRotationAngle
+    \brief the total angle covered by the gesture
+
+    This total angle measures the complete angle covered by the gesture. Usually, this
+    is equal to the value held by the \l rotationAngle property, except in the case where
+    the user performs multiple rotations by removing and repositioning one of the touch
+    points, as described above. In this case, the total angle will be the sum of the
+    rotation angles for the multiple stages of the gesture.
+
+    \sa rotationAngle, lastRotationAngle
+*/
+/*!
+    \property QPinchGesture::lastRotationAngle
+    \brief the last reported angle covered by the gesture motion
+
+    The last rotation angle is the angle as reported in the \l rotationAngle property
+    when a previous gesture event was delivered for this gesture.
+
+    \sa rotationAngle, totalRotationAngle
+*/
+/*!
+    \property QPinchGesture::rotationAngle
+    \brief the angle covered by the gesture motion
+
+    \sa totalRotationAngle, lastRotationAngle
+*/
 
+/*!
+    \property QPinchGesture::startCenterPoint
+    \brief the starting position of the center point
+
+    \sa centerPoint, lastCenterPoint
+*/
+/*!
+    \property QPinchGesture::lastCenterPoint
+    \brief the last position of the center point recorded for this gesture
+
+    \sa centerPoint, startCenterPoint
+*/
+/*!
+    \property QPinchGesture::centerPoint
+    \brief the current center point
+
+    The center point is the midpoint between the two input points in the gesture.
+
+    \sa startCenterPoint, lastCenterPoint
+*/
+
+/*!
+    \internal
+*/
 QPinchGesture::QPinchGesture(QObject *parent)
     : QGesture(*new QPinchGesturePrivate, parent)
 {
@@ -325,8 +524,65 @@ void QPinchGesture::setRotationAngle(qreal value)
     d_func()->rotationAngle = value;
 }
 
-// QSwipeGesture
+/*!
+    \class QSwipeGesture
+    \since 4.6
+    \brief The QSwipeGesture class describes a swipe gesture made by the user.
+    \ingroup gestures
+
+    \image swipegesture.png
+
+    \sa {Gestures Programming}, QPanGesture, QPinchGesture
+*/
+
+/*!
+    \enum QSwipeGesture::SwipeDirection
+
+    This enum describes the possible directions for the gesture's motion
+    along the horizontal and vertical axes.
+
+    \value NoDirection The gesture had no motion associated with it on a particular axis.
+    \value Left     The gesture involved a horizontal motion to the left.
+    \value Right    The gesture involved a horizontal motion to the right.
+    \value Up       The gesture involved an upward vertical motion.
+    \value Down     The gesture involved a downward vertical motion.
+*/
+
+/*!
+    \property QSwipeGesture::horizontalDirection
+    \brief the horizontal direction of the gesture
+
+    If the gesture has a horizontal component, the horizontal direction
+    is either Left or Right; otherwise, it is NoDirection.
+
+    \sa verticalDirection, swipeAngle
+*/
+
+/*!
+    \property QSwipeGesture::verticalDirection
+    \brief the vertical direction of the gesture
+
+    If the gesture has a vertical component, the vertical direction
+    is either Up or Down; otherwise, it is NoDirection.
+
+    \sa horizontalDirection, swipeAngle
+*/
+
+/*!
+    \property QSwipeGesture::swipeAngle
+    \brief the angle of the motion associated with the gesture
+
+    If the gesture has either a horizontal or vertical component, the
+    swipe angle describes the angle between the direction of motion and the
+    x-axis as defined using the standard widget
+    \l{The Coordinate System}{coordinate system}.
+
+    \sa horizontalDirection, verticalDirection
+*/
 
+/*!
+    \internal
+*/
 QSwipeGesture::QSwipeGesture(QObject *parent)
     : QGesture(*new QSwipeGesturePrivate, parent)
 {
diff --git a/src/gui/kernel/qgesture.h b/src/gui/kernel/qgesture.h
index 0034819..02eb526 100644
--- a/src/gui/kernel/qgesture.h
+++ b/src/gui/kernel/qgesture.h
@@ -51,12 +51,12 @@
 
 QT_BEGIN_HEADER
 
+Q_DECLARE_METATYPE(Qt::GestureState)
+
 QT_BEGIN_NAMESPACE
 
 QT_MODULE(Gui)
 
-Q_DECLARE_METATYPE(Qt::GestureState)
-
 class QGesturePrivate;
 class Q_GUI_EXPORT QGesture : public QObject
 {
@@ -180,8 +180,12 @@ public:
     friend class QPinchGestureRecognizer;
 };
 
+QT_END_NAMESPACE
+
 Q_DECLARE_METATYPE(QPinchGesture::WhatChanged)
 
+QT_BEGIN_NAMESPACE
+
 class QSwipeGesturePrivate;
 class Q_GUI_EXPORT QSwipeGesture : public QGesture
 {
diff --git a/src/gui/kernel/qgesturerecognizer.cpp b/src/gui/kernel/qgesturerecognizer.cpp
index 2af087f..9de3bcc 100644
--- a/src/gui/kernel/qgesturerecognizer.cpp
+++ b/src/gui/kernel/qgesturerecognizer.cpp
@@ -49,6 +49,7 @@ QT_BEGIN_NAMESPACE
    \class QGestureRecognizer
    \since 4.6
    \brief The QGestureRecognizer class provides the infrastructure for gesture recognition.
+   \ingroup gestures
 
    Gesture recognizers are responsible for creating and managing QGesture objects and
    monitoring input events sent to QWidget and QGraphicsObject subclasses.
@@ -65,9 +66,11 @@ QT_BEGIN_NAMESPACE
    about the user's input.
 
    Gestures are created when the framework calls createGesture() to handle user input
-   for a particular target QWidget or QGraphicsObject instance. Once a QGesture has been
-   created for one of these objects, the gesture recognizer will receive events for it
-   in its filterEvent() handler function.
+   for a particular instance of a QWidget or QGraphicsObject subclass. A QGesture object
+   is created for each widget or item that is configured to use gestures.
+
+   Once a QGesture has been created for a target object, the gesture recognizer will
+   receive events for it in its filterEvent() handler function.
 
    When a gesture is canceled, the reset() function is called, giving the recognizer the
    chance to update the appropriate properties in the corresponding QGesture object.
@@ -75,15 +78,18 @@ QT_BEGIN_NAMESPACE
    \section1 Supporting New Gestures
 
    To add support for new gestures, you need to derive from QGestureRecognizer to create
-   a custom recognizer class and register it with the application by calling
-   QApplication::registerGestureRecognizer(). You can also derive from QGesture to create
-   a custom gesture class, or rely on dynamic properties to express specific details
-   of the gesture you want to handle.
+   a custom recognizer class, construct an instance of this class, and register it with
+   the application by calling QApplication::registerGestureRecognizer(). You can also
+   subclass QGesture to create a custom gesture class, or rely on dynamic properties
+   to express specific details of the gesture you want to handle.
 
    Your custom QGestureRecognizer subclass needs to reimplement the filterEvent() function
    to handle and filter the incoming input events for QWidget and QGraphicsObject subclasses.
-   Although the logic for gesture recognition is implemented in this function, the state of
-   recognition for each target object can be recorded in the QGesture object supplied.
+   Although the logic for gesture recognition is implemented in this function, you can
+   store persistent information about the state of the recognition process in the QGesture
+   object supplied. The filterEvent() function must return a value of Qt::GestureState that
+   indicates the state of recognition for a given gesture and target object. This determines
+   whether or not a gesture event will be delivered to a target object.
 
    If you choose to represent a gesture by a custom QGesture subclass, you will need to
    reimplement the createGesture() function to construct instances of your gesture class.
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 1214f08..6116a5e 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -125,7 +125,6 @@ QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *act
         break;
     }
     action->setSoftKeyRole(softKeyRole);
-    action->setEnabled(actionWidget->isEnabled());
     return action;
 }
 
@@ -210,7 +209,7 @@ void QSoftKeyManagerPrivate::updateSoftKeys_sys(const QList<QAction*> &softkeys)
     for (int index = 0; index < softkeys.count(); index++) {
         const QAction* softKeyAction = softkeys.at(index);
         switch (softKeyAction->softKeyRole()) {
-        // Positive Actions go on LSK
+        // Positive Actions on the LSK
         case QAction::PositiveSoftKey:
             position = 0;
             break;
@@ -253,7 +252,8 @@ bool QSoftKeyManager::handleCommand(int command)
             QAction *action = softKeys.at(i);
             if (action->softKeyRole() != QAction::NoSoftKey) {
                 if (j == index) {
-                    if (action->isEnabled()) {
+                    QWidget *parent = action->parentWidget();
+                    if (parent && parent->isEnabled()) {
                         action->activate(QAction::Trigger);
                         return true;
                     }
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e561aca..b7a96b0 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1337,6 +1337,8 @@ void QWidget::create(WId window, bool initializeWindow, bool destroyOldWindow)
         d->setWindowIcon_sys(true);
     if (isWindow() && !d->topData()->iconText.isEmpty())
         d->setWindowIconText_helper(d->topData()->iconText);
+    if (isWindow() && !d->topData()->caption.isEmpty())
+        d->setWindowTitle_helper(d->topData()->caption);
     if (windowType() != Qt::Desktop) {
         d->updateSystemBackground();
 
@@ -1484,6 +1486,8 @@ void QWidgetPrivate::setWinId(WId id)                // set widget identifier
         mapper->remove(data.winid);
     }
 
+    const WId oldWinId = data.winid;
+
     data.winid = id;
 #if defined(Q_WS_X11)
     hd = id; // X11: hd == ident
@@ -1491,6 +1495,16 @@ void QWidgetPrivate::setWinId(WId id)                // set widget identifier
     if (mapper && id && !userDesktopWidget) {
         mapper->insert(data.winid, q);
     }
+
+    if(oldWinId != id) {
+        // Do not emit an event when the old winId is destroyed.  This only
+        // happens (a) during widget destruction, and (b) immediately prior
+        // to creation of a new winId, for example as a result of re-parenting.
+        if(id != 0) {
+            QEvent e(QEvent::WinIdChange);
+            QCoreApplication::sendEvent(q, &e);
+        }
+    }
 }
 
 void QWidgetPrivate::createTLExtra()
@@ -2209,8 +2223,8 @@ QWidget *QWidget::find(WId id)
     against. If Qt is using Carbon, the {WId} is actually an HIViewRef. If Qt
     is using Cocoa, {WId} is a pointer to an NSView.
 
-    \note We recommend that you do not store this value as it is likely to
-    change at run-time.
+    This value may change at run-time. An event with type QEvent::WinIdChange
+    will be sent to the widget following a change in window system identifier.
 
     \sa find()
 */
@@ -5649,9 +5663,8 @@ QString qt_setWindowTitle_helperHelper(const QString &title, const QWidget *widg
 void QWidgetPrivate::setWindowTitle_helper(const QString &title)
 {
     Q_Q(QWidget);
-    if (!q->testAttribute(Qt::WA_WState_Created))
-        createWinId();
-    setWindowTitle_sys(qt_setWindowTitle_helperHelper(title, q));
+    if (q->testAttribute(Qt::WA_WState_Created))
+        setWindowTitle_sys(qt_setWindowTitle_helperHelper(title, q));
 }
 
 void QWidgetPrivate::setWindowIconText_helper(const QString &title)
@@ -11982,3 +11995,10 @@ void QWidget::clearMask()
     XRender extension is not supported on the X11 display, or if the
     handle could not be created.
 */
+
+#ifdef Q_OS_SYMBIAN
+void QWidgetPrivate::_q_delayedDestroy(WId winId)
+{
+    delete winId;
+}
+#endif
diff --git a/src/gui/kernel/qwidget.h b/src/gui/kernel/qwidget.h
index 3501c6e..e603a1a 100644
--- a/src/gui/kernel/qwidget.h
+++ b/src/gui/kernel/qwidget.h
@@ -726,14 +726,11 @@ private:
     friend class QGLContext;
     friend class QGLWidget;
     friend class QGLWindowSurface;
-    friend class QGLWindowSurfaceGLPaintDevice;
-    friend class QVGWindowSurface;
     friend class QX11PaintEngine;
     friend class QWin32PaintEngine;
     friend class QShortcutPrivate;
     friend class QShortcutMap;
     friend class QWindowSurface;
-    friend class QD3DWindowSurface;
     friend class QGraphicsProxyWidget;
     friend class QGraphicsProxyWidgetPrivate;
     friend class QStyleSheetStyle;
@@ -776,6 +773,9 @@ private:
 private:
     Q_DISABLE_COPY(QWidget)
     Q_PRIVATE_SLOT(d_func(), void _q_showIfNotHidden())
+#ifdef Q_OS_SYMBIAN
+    Q_PRIVATE_SLOT(d_func(), void _q_delayedDestroy(WId winId))
+#endif
 
     QWidgetData *data;
 
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index c966aa3..05c6a5b 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -305,6 +305,8 @@ bool qt_mac_insideKeyWindow(const QWidget *w)
 {
 #ifdef QT_MAC_USE_COCOA
     return [[reinterpret_cast<NSView *>(w->winId()) window] isKeyWindow];
+#else
+    Q_UNUSED(w);
 #endif
     return false;
 }
@@ -3301,7 +3303,11 @@ void QWidgetPrivate::show_sys()
             [window miniaturize:window];
 #endif
         } else if (!q->testAttribute(Qt::WA_ShowWithoutActivating)) {
+#ifndef QT_MAC_USE_COCOA
             qt_event_request_activate(q);
+#else
+            [qt_mac_window_for(q) makeKeyWindow];
+#endif
         }
     } else if(topData()->embedded || !q->parentWidget() || q->parentWidget()->isVisible()) {
 #ifndef QT_MAC_USE_COCOA
@@ -3404,8 +3410,13 @@ void QWidgetPrivate::hide_sys()
                 }
 #endif
             }
-            if(w && w->isVisible() && !w->isMinimized())
-                qt_event_request_activate(w);
+            if(w && w->isVisible() && !w->isMinimized()) {
+#ifndef QT_MAC_USE_COCOA
+            qt_event_request_activate(w);
+#else
+            [qt_mac_window_for(w) makeKeyWindow];
+#endif
+            }
         }
     } else {
          invalidateBuffer(q->rect());
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 2132474..24699c4 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -318,7 +318,8 @@ public:
     void setMask_sys(const QRegion &);
 #ifdef Q_OS_SYMBIAN
     void setSoftKeys_sys(const QList<QAction*> &softkeys);
-    void activateSymbianWindow();
+    void activateSymbianWindow(WId wid = 0);
+    void _q_delayedDestroy(WId winId);
 #endif
 
     void raise_sys();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index b0d405a..abf5ba5 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -56,6 +56,12 @@
 #include <aknappui.h>
 #endif
 
+// This is necessary in order to be able to perform delayed invokation on slots
+// which take arguments of type WId.  One example is
+// QWidgetPrivate::_q_delayedDestroy, which is used to delay destruction of
+// CCoeControl objects until after the CONE event handler has finished running.
+Q_DECLARE_METATYPE(WId)
+
 QT_BEGIN_NAMESPACE
 
 extern bool qt_nograb();
@@ -318,8 +324,6 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
     bool desktop = (type == Qt::Desktop);
     //bool tool = (type == Qt::Tool || type == Qt::Drawer);
 
-    WId id = 0;
-
     if (popup)
         flags |= Qt::WindowStaysOnTopHint; // a popup stays on top
 
@@ -341,13 +345,10 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
         data.crect.setSize(QSize(width, height));
     }
 
-    CCoeControl *destroyw = 0;
+    CCoeControl *const destroyw = destroyOldWindow ? data.winid : 0;
 
     createExtra();
     if (window) {
-        if (destroyOldWindow)
-            destroyw = data.winid;
-        id = window;
         setWinId(window);
         TRect tr = window->Rect();
         data.crect.setRect(tr.iTl.iX, tr.iTl.iY, tr.Width(), tr.Height());
@@ -355,10 +356,15 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
     } else if (topLevel) {
         if (!q->testAttribute(Qt::WA_Moved) && !q->testAttribute(Qt::WA_DontShowOnScreen))
             data.crect.moveTopLeft(QPoint(clientRect.iTl.iX, clientRect.iTl.iY));
-        QSymbianControl *control= q_check_ptr(new QSymbianControl(q));
-        id = (WId)control;
-        setWinId(id);
-        QT_TRAP_THROWING(control->ConstructL(true,desktop));
+
+        QScopedPointer<QSymbianControl> control( q_check_ptr(new QSymbianControl(q)) );
+        QT_TRAP_THROWING(control->ConstructL(true, desktop));
+
+        // Symbian windows are always created in an inactive state
+        // We perform this assignment for the case where the window is being re-created
+        // as aa result of a call to setParent_sys, on either this widget or one of its
+        // ancestors.
+        extra->activated = 0;
 
         if (!desktop) {
             TInt stackingFlags;
@@ -368,7 +374,7 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
                 stackingFlags = ECoeStackFlagStandard;
             }
             control->MakeVisible(false);
-            QT_TRAP_THROWING(control->ControlEnv()->AppUi()->AddToStackL(control, ECoeStackPriorityDefault, stackingFlags));
+            QT_TRAP_THROWING(control->ControlEnv()->AppUi()->AddToStackL(control.data(), ECoeStackPriorityDefault, stackingFlags));
             // Avoid keyboard focus to a hidden window.
             control->setFocusSafely(false);
 
@@ -391,11 +397,22 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
         int x, y, w, h;
         data.crect.getRect(&x, &y, &w, &h);
         control->SetRect(TRect(TPoint(x, y), TSize(w, h)));
+
+        // We wait until the control is fully constructed before calling setWinId, because
+        // this generates a WinIdChanged event.
+        setWinId(control.take());
+
     } else if (q->testAttribute(Qt::WA_NativeWindow) || paintOnScreen()) { // create native child widget
-        QSymbianControl *control = new QSymbianControl(q);
-        setWinId(control);
+
+        QScopedPointer<QSymbianControl> control( q_check_ptr(new QSymbianControl(q)) );
         QT_TRAP_THROWING(control->ConstructL(!parentWidget));
 
+        // Symbian windows are always created in an inactive state
+        // We perform this assignment for the case where the window is being re-created
+        // as aa result of a call to setParent_sys, on either this widget or one of its
+        // ancestors.
+        extra->activated = 0;
+
         TInt stackingFlags;
         if ((q->windowType() & Qt::Popup) == Qt::Popup) {
             stackingFlags = ECoeStackFlagRefusesAllKeys | ECoeStackFlagRefusesFocus;
@@ -403,7 +420,7 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
             stackingFlags = ECoeStackFlagStandard;
         }
         control->MakeVisible(false);
-        QT_TRAP_THROWING(control->ControlEnv()->AppUi()->AddToStackL(control, ECoeStackPriorityDefault, stackingFlags));
+        QT_TRAP_THROWING(control->ControlEnv()->AppUi()->AddToStackL(control.data(), ECoeStackPriorityDefault, stackingFlags));
         // Avoid keyboard focus to a hidden window.
         control->setFocusSafely(false);
 
@@ -418,12 +435,21 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
             | EPointerFilterMove | EPointerFilterDrag, 0);
 
         if (q->isVisible() && q->testAttribute(Qt::WA_Mapped))
-            activateSymbianWindow();
+            activateSymbianWindow(control.data());
+
+        // We wait until the control is fully constructed before calling setWinId, because
+        // this generates a WinIdChanged event.
+        setWinId(control.take());
     }
 
     if (destroyw) {
         destroyw->ControlEnv()->AppUi()->RemoveFromStack(destroyw);
-        CBase::Delete(destroyw);
+
+        // Delay deletion of the control in case this function is called in the
+        // context of a CONE event handler such as
+        // CCoeControl::ProcessPointerEventL
+        QMetaObject::invokeMethod(q, "_q_delayedDestroy",
+            Qt::QueuedConnection, Q_ARG(WId, destroyw));
     }
 
     if (q->testAttribute(Qt::WA_AcceptTouchEvents))
@@ -468,7 +494,7 @@ void QWidgetPrivate::show_sys()
     invalidateBuffer(q->rect());
 }
 
-void QWidgetPrivate::activateSymbianWindow()
+void QWidgetPrivate::activateSymbianWindow(WId wid)
 {
     Q_Q(QWidget);
 
@@ -476,8 +502,12 @@ void QWidgetPrivate::activateSymbianWindow()
     Q_ASSERT(q->testAttribute(Qt::WA_Mapped));
     Q_ASSERT(!extra->activated);
 
-    WId id = q->internalWinId();
-    QT_TRAP_THROWING(id->ActivateL());
+    if(!wid)
+        wid = q->internalWinId();
+
+    Q_ASSERT(wid);
+
+    QT_TRAP_THROWING(wid->ActivateL());
     extra->activated = 1;
 }
 
@@ -520,8 +550,13 @@ void QWidgetPrivate::raise_sys()
     Q_Q(QWidget);
 
     Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
-    if (q->internalWinId())
+    if (q->internalWinId()) {
         q->internalWinId()->DrawableWindow()->SetOrdinalPosition(0);
+
+        // If toplevel widget, raise app to foreground
+        if (q->isWindow())
+            S60->wsSession().SetWindowGroupOrdinalPosition(S60->windowGroup().Identifier(), 0);
+    }
 }
 
 void QWidgetPrivate::lower_sys()
@@ -571,8 +606,14 @@ void QWidgetPrivate::reparentChildren()
                 w->d_func()->invalidateBuffer(w->rect());
                 WId parent = q->effectiveWinId();
                 WId child = w->effectiveWinId();
-                if (parent != child)
-                    child->SetParent(parent);
+                if (parent != child) {
+                    // Child widget is native.  Because Symbian windows cannot be
+                    // re-parented, we must re-create the window.
+                    const WId window = 0;
+                    const bool initializeWindow = false;
+                    const bool destroyOldWindow = true;
+                    w->d_func()->create_sys(window, initializeWindow, destroyOldWindow);
+                }
                 // ### TODO: We probably also need to update the component array here
                 w->d_func()->reparentChildren();
             } else {
diff --git a/src/gui/kernel/qwidget_wince.cpp b/src/gui/kernel/qwidget_wince.cpp
index 4a0d30c..2fe69e4 100644
--- a/src/gui/kernel/qwidget_wince.cpp
+++ b/src/gui/kernel/qwidget_wince.cpp
@@ -474,7 +474,7 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
     int normal = SW_SHOWNOACTIVATE;
 
     if ((oldstate & Qt::WindowMinimized) && !(newstate & Qt::WindowMinimized))
-       newstate |= Qt::WindowActive;
+        newstate |= Qt::WindowActive;
     if (newstate & Qt::WindowActive)
         normal = SW_SHOWNORMAL;
     if (isWindow()) {
@@ -490,13 +490,13 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
                 d->topData()->normalGeometry = geometry();
         }
         if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
-             if (!(newstate & Qt::WindowMaximized)) {
+            if (!(newstate & Qt::WindowMaximized)) {
                 int style = GetWindowLong(internalWinId(), GWL_STYLE) | WS_BORDER | WS_POPUP | WS_CAPTION;
                 SetWindowLong(internalWinId(), GWL_STYLE, style);
                 SetWindowLong(internalWinId(), GWL_EXSTYLE, GetWindowLong (internalWinId(), GWL_EXSTYLE) & ~ WS_EX_NODRAG);
             }
-             if (isVisible() && newstate & Qt::WindowMaximized)
-                    qt_wince_maximize(this);
+            if (isVisible() && newstate & Qt::WindowMaximized)
+                qt_wince_maximize(this);
             if (isVisible() && !(newstate & Qt::WindowMinimized)) {
                 ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal);
                 if (!(newstate & Qt::WindowFullScreen)) {
@@ -558,18 +558,10 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
             else if (newstate & Qt::WindowMaximized) {
                 ShowWindow(internalWinId(), max);
                 qt_wince_maximize(this);
+            } else {
+                ShowWindow(internalWinId(), normal);
             }
         }
-        if ((newstate & Qt::WindowMaximized) && !(newstate & Qt::WindowFullScreen)) {
-            QRect r = d->topData()->normalGeometry;
-#ifdef Q_WS_WINCE_WM
-            if (!inherits("QDialog") && !inherits("QMdiArea") && !isVisible()) {
-                d->data.crect.setRect(0, 0, -1, -1);
-            }
-#else
-            qt_wince_maximize(this);
-#endif
-        }
     }
     data->window_state = newstate;
     QWindowStateChangeEvent e(oldstate);
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 283dfb2..663178f 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -518,14 +518,18 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
     if (!window)
         initializeWindow = true;
 
+    QX11Info *parentXinfo = parentWidget ? &parentWidget->d_func()->xinfo : 0;
+
     if (desktop &&
         qt_x11_create_desktop_on_screen >= 0 &&
         qt_x11_create_desktop_on_screen != xinfo.screen()) {
         // desktop on a certain screen other than the default requested
         QX11InfoData *xd = &X11->screens[qt_x11_create_desktop_on_screen];
         xinfo.setX11Data(xd);
-    } else if (parentWidget && parentWidget->d_func()->xinfo.screen() != xinfo.screen()) {
-        xinfo = parentWidget->d_func()->xinfo;
+    } else if (parentXinfo && (parentXinfo->screen() != xinfo.screen()
+                               || parentXinfo->visual() != xinfo.visual()))
+    {
+        xinfo = *parentXinfo;
     }
 
     //get display, screen number, root window and desktop geometry for
@@ -920,6 +924,43 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
 #endif
 }
 
+static void qt_x11_recreateWidget(QWidget *widget)
+{
+    if (widget->inherits("QGLWidget")) {
+        // We send QGLWidgets a ParentChange event which causes them to
+        // recreate their GL context, which in turn causes them to choose
+        // their visual again. Now that WA_TranslucentBackground is set,
+        // QGLContext::chooseVisual will select an ARGB visual.
+        QEvent e(QEvent::ParentChange);
+        QApplication::sendEvent(widget, &e);
+    } else {
+        // For regular widgets, reparent them with their parent which
+        // also triggers a recreation of the native window
+        QPoint pos = widget->pos();
+        bool visible = widget->isVisible();
+        if (visible)
+            widget->hide();
+
+        widget->setParent(widget->parentWidget(), widget->windowFlags());
+        widget->move(pos);
+        if (visible)
+            widget->show();
+    }
+}
+
+static void qt_x11_recreateNativeWidgetsRecursive(QWidget *widget)
+{
+    if (widget->testAttribute(Qt::WA_NativeWindow))
+        qt_x11_recreateWidget(widget);
+
+    const QObjectList &children = widget->children();
+    for (int i = 0; i < children.size(); ++i) {
+        QWidget *child = qobject_cast<QWidget*>(children.at(i));
+        if (child)
+            qt_x11_recreateNativeWidgetsRecursive(child);
+    }
+}
+
 void QWidgetPrivate::x11UpdateIsOpaque()
 {
 #ifndef QT_NO_XRENDER
@@ -930,29 +971,9 @@ void QWidgetPrivate::x11UpdateIsOpaque()
     bool topLevel = (data.window_flags & Qt::Window);
     int screen = xinfo.screen();
     if (topLevel && X11->use_xrender
-        && X11->argbVisuals[screen] && xinfo.depth() != 32) {
-
-        if (q->inherits("QGLWidget")) {
-            // We send QGLWidgets a ParentChange event which causes them to
-            // recreate their GL context, which in turn causes them to choose
-            // their visual again. Now that WA_TranslucentBackground is set,
-            // QGLContext::chooseVisual will select an ARGB visual.
-            QEvent e(QEvent::ParentChange);
-            QApplication::sendEvent(q, &e);
-        }
-        else {
-            // For regular widgets, reparent them with their parent which
-            // also triggers a recreation of the native window
-            QPoint pos = q->pos();
-            bool visible = q->isVisible();
-            if (visible)
-                q->hide();
-
-            q->setParent(q->parentWidget(), q->windowFlags());
-            q->move(pos);
-            if (visible)
-                q->show();
-        }
+        && X11->argbVisuals[screen] && xinfo.depth() != 32)
+    {
+        qt_x11_recreateNativeWidgetsRecursive(q);
     }
 #endif
 }