Merge remote branch 'staging/4.6' into 4.6

22 files changed, 147 insertions, 58 deletions

diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
index 1bdc3ed..88b7271 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
@@ -3407,9 +3407,9 @@ quint64 QWebPage::bytesReceived() const
 /*!
     \fn void QWebPage::unsupportedContent(QNetworkReply *reply)
 
-    This signals is emitted when webkit cannot handle a link the user navigated to.
+    This signal is emitted when WebKit cannot handle a link the user navigated to.
 
-    At signal emissions time the meta data of the QNetworkReply \a reply is available.
+    At signal emission time the meta-data of the QNetworkReply \a reply is available.
 
     \note This signal is only emitted if the forwardUnsupportedContent property is set to true.
 
diff --git a/src/corelib/io/qtextstream.cpp b/src/corelib/io/qtextstream.cpp
index 594718e..47f340c 100644
--- a/src/corelib/io/qtextstream.cpp
+++ b/src/corelib/io/qtextstream.cpp
@@ -440,7 +440,7 @@ QTextStreamPrivate::QTextStreamPrivate(QTextStream *q_ptr)
     readConverterSavedState(0),
 #endif
     readConverterSavedStateOffset(0),
-    locale(QLocale::C)
+    locale(QLocale::c())
 {
     this->q_ptr = q_ptr;
     reset();
@@ -1806,8 +1806,7 @@ QTextStreamPrivate::NumberParsingStatus QTextStreamPrivate::getNumber(qulonglong
             if (ch.isDigit()) {
                 val *= 10;
                 val += ch.digitValue();
-            } else if (locale.language() != QLocale::C
-                       && ch == locale.groupSeparator()) {
+            } else if (locale != QLocale::c() && ch == locale.groupSeparator()) {
                 continue;
             } else {
                 ungetChar(ch);
@@ -1958,7 +1957,7 @@ bool QTextStreamPrivate::getReal(double *f)
             else if (lc == locale.negativeSign().toLower()
                      || lc == locale.positiveSign().toLower())
                 input = InputSign;
-            else if (locale.language() != QLocale::C // backward-compatibility
+            else if (locale != QLocale::c() // backward-compatibility
                      && lc == locale.groupSeparator().toLower())
                 input = InputDigit; // well, it isn't a digit, but no one cares.
             else
@@ -2283,7 +2282,7 @@ bool QTextStreamPrivate::putNumber(qulonglong number, bool negative)
 
     // add thousands group separators. For backward compatibility we
     // don't add a group separator for C locale.
-    if (locale.language() != QLocale::C)
+    if (locale != QLocale::c())
         flags |= QLocalePrivate::ThousandsGroup;
 
     const QLocalePrivate *dd = locale.d();
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index 665b73e..16871c3 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -341,6 +341,11 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     g_source_attach(&idleTimerSource->source, mainContext);
 }
 
+void QEventDispatcherGlibPrivate::runTimersOnceWithNormalPriority()
+{
+    timerSource->runWithIdlePriority = false;
+}
+
 QEventDispatcherGlib::QEventDispatcherGlib(QObject *parent)
     : QAbstractEventDispatcher(*(new QEventDispatcherGlibPrivate), parent)
 {
diff --git a/src/corelib/kernel/qeventdispatcher_glib_p.h b/src/corelib/kernel/qeventdispatcher_glib_p.h
index 6a4e726..57cbf94 100644
--- a/src/corelib/kernel/qeventdispatcher_glib_p.h
+++ b/src/corelib/kernel/qeventdispatcher_glib_p.h
@@ -110,6 +110,8 @@ public:
     GSocketNotifierSource *socketNotifierSource;
     GTimerSource *timerSource;
     GIdleTimerSource *idleTimerSource;
+
+    void runTimersOnceWithNormalPriority();
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 21b5e65..0309c67 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -74,6 +74,10 @@
 #  endif
 #endif
 
+#ifdef Q_OS_HPUX
+#include <sys/pstat.h>
+#endif
+
 #if defined(Q_OS_MAC)
 # ifdef qDebug
 #   define old_qDebug qDebug
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index 4a66b92..8645f17 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -1187,14 +1187,14 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
     }
     case DateFormatLong:
     case DateFormatShort:
-        return macToQtFormat(getMacDateFormat(type == DateFormatShort
+        return getMacDateFormat(type == DateFormatShort
                                 ? kCFDateFormatterShortStyle
-                                : kCFDateFormatterLongStyle));
+                                : kCFDateFormatterLongStyle);
     case TimeFormatLong:
     case TimeFormatShort:
-        return macToQtFormat(getMacTimeFormat(type == TimeFormatShort
+        return getMacTimeFormat(type == TimeFormatShort
                                 ? kCFDateFormatterShortStyle
-                                : kCFDateFormatterLongStyle));
+                                : kCFDateFormatterLongStyle);
     case DayNameLong:
     case DayNameShort:
         return macDayName(in.toInt(), (type == DayNameShort));
diff --git a/src/dbus/qdbuspendingcall.cpp b/src/dbus/qdbuspendingcall.cpp
index ef50b04..9c768ed 100644
--- a/src/dbus/qdbuspendingcall.cpp
+++ b/src/dbus/qdbuspendingcall.cpp
@@ -310,7 +310,7 @@ QDBusPendingCall &QDBusPendingCall::operator=(const QDBusPendingCall &other)
 
 bool QDBusPendingCall::isFinished() const
 {
-    return d && (d->replyMessage.type() != QDBusMessage::InvalidMessage);
+    return !d || (d->replyMessage.type() != QDBusMessage::InvalidMessage);
 }
 
 void QDBusPendingCall::waitForFinished()
diff --git a/src/dbus/qdbuspendingreply.h b/src/dbus/qdbuspendingreply.h
index b7f54e4..4f90c98 100644
--- a/src/dbus/qdbuspendingreply.h
+++ b/src/dbus/qdbuspendingreply.h
@@ -188,6 +188,7 @@ public:
 private:
     inline void calculateMetaTypes()
     {
+        if (!d) return;
         int typeIds[Count > 0 ? Count : 1]; // use at least one since zero-sized arrays aren't valid
         ForEach::fillMetaTypes(typeIds);
         setMetaTypes(Count, typeIds);
diff --git a/src/gui/dialogs/qfontdialog_mac.mm b/src/gui/dialogs/qfontdialog_mac.mm
index 0c467cd..31bab2b 100644
--- a/src/gui/dialogs/qfontdialog_mac.mm
+++ b/src/gui/dialogs/qfontdialog_mac.mm
@@ -394,7 +394,9 @@ static QFont qfontForCocoaFont(NSFont *cocoaFont, const QFont &resolveFont)
     }
     [mFontPanel setDelegate:nil];
     [[NSFontManager sharedFontManager] setDelegate:nil];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:nil];
+#endif
 }
 @end
 
@@ -518,7 +520,9 @@ void *QFontDialogPrivate::openCocoaFontPanel(const QFont &initial,
                                                    extraHeight:dialogExtraHeight];
     [ourPanel setDelegate:delegate];
     [[NSFontManager sharedFontManager] setDelegate:delegate];
+#ifdef QT_MAC_USE_COCOA
     [[NSFontManager sharedFontManager] setTarget:delegate];
+#endif
     setFont(delegate, initial);
 
     // hack to get correct initial layout
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 8c63968..bd13423 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -3629,12 +3629,46 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
 
     // walk through parents and check for gestures
     if (qt_gestureManager) {
-        if (receiver->isWidgetType()) {
-            if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
-                return true;
-        } else if (QGesture *gesture = qobject_cast<QGesture *>(receiver)) {
-            if (qt_gestureManager->filterEvent(gesture, e))
-                return true;
+        switch (e->type()) {
+        case QEvent::Paint:
+        case QEvent::MetaCall:
+        case QEvent::DeferredDelete:
+        case QEvent::DragEnter: case QEvent::DragMove: case QEvent::DragLeave:
+        case QEvent::Drop: case QEvent::DragResponse:
+        case QEvent::ChildAdded: case QEvent::ChildPolished:
+#ifdef QT3_SUPPORT
+        case QEvent::ChildInsertedRequest:
+        case QEvent::ChildInserted:
+        case QEvent::LayoutHint:
+#endif
+        case QEvent::ChildRemoved:
+        case QEvent::UpdateRequest:
+        case QEvent::UpdateLater:
+        case QEvent::AccessibilityPrepare:
+        case QEvent::LocaleChange:
+        case QEvent::Style:
+        case QEvent::IconDrag:
+        case QEvent::StyleChange:
+        case QEvent::AccessibilityHelp:
+        case QEvent::AccessibilityDescription:
+        case QEvent::GraphicsSceneDragEnter:
+        case QEvent::GraphicsSceneDragMove:
+        case QEvent::GraphicsSceneDragLeave:
+        case QEvent::GraphicsSceneDrop:
+        case QEvent::DynamicPropertyChange:
+        case QEvent::NetworkReplyUpdated:
+            break;
+        default:
+            if (receiver->isWidgetType()) {
+                if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
+                    return true;
+            } else {
+                // a special case for events that go to QGesture objects.
+                // We pass the object to the gesture manager and it'll figure
+                // out if it's QGesture or not.
+                if (qt_gestureManager->filterEvent(receiver, e))
+                    return true;
+            }
         }
     }
 
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index ddd8ca6..6c06746 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -777,7 +777,7 @@ extern "C" {
     NSPoint windowPoint = [theEvent locationInWindow];
     NSPoint globalPoint = [[theEvent window] convertBaseToScreen:windowPoint];
     NSPoint localPoint = [self convertPoint:windowPoint fromView:nil];
-    QPoint qlocal = QPoint(localPoint.x, flipYCoordinate(localPoint.y));
+    QPoint qlocal = QPoint(localPoint.x, localPoint.y);
     QPoint qglobal = QPoint(globalPoint.x, flipYCoordinate(globalPoint.y));
     Qt::MouseButtons buttons = QApplication::mouseButtons();
     bool wheelOK = false;
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index c4a25e1..eedf0a7 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -409,7 +409,7 @@ QMouseEventEx::~QMouseEventEx()
     consider a top-level window A containing a child B which in turn contains a
     child C (all with mouse tracking enabled):
 
-    \image hoverEvents.png
+    \image hoverevents.png
 
     Now, if you move the cursor from the top to the bottom in the middle of A,
     you will get the following QEvent::MouseMove events:
@@ -432,7 +432,7 @@ QMouseEventEx::~QMouseEventEx()
         \o A::HoverMove, B::HoverMove
         \o A::HoverMove, B::HoverMove, C::HoverMove
     \endlist
-    
+
 */
 
 /*!
@@ -3023,7 +3023,7 @@ QShowEvent::~QShowEvent()
     This event is only used to notify the application of a request.
     It may be safely ignored.
 
-    \note This class is currently supported for Mac Os X only.
+    \note This class is currently supported for Mac OS X only.
 */
 
 /*!
@@ -3066,6 +3066,8 @@ QFileOpenEvent::~QFileOpenEvent()
     \fn QUrl QFileOpenEvent::url() const
 
     Returns the url that is being opened.
+
+    \since 4.6
 */
 QUrl QFileOpenEvent::url() const
 {
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 192f9ac..d7cbebd 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -187,10 +187,8 @@ QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recogni
 #endif
     }
 
-    QList<QGesture *> states =
-            m_objectGestures.value(QGestureManager::ObjectGesture(object, type));
     // check if the QGesture for this recognizer has already been created
-    foreach (QGesture *state, states) {
+    foreach (QGesture *state, m_objectGestures.value(QGestureManager::ObjectGesture(object, type))) {
         if (m_gestureToRecognizer.value(state) == recognizer)
             return state;
     }
@@ -215,14 +213,13 @@ QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recogni
     return state;
 }
 
-bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
+bool QGestureManager::filterEventThroughContexts(const QMultiMap<QObject *,
                                                  Qt::GestureType> &contexts,
                                                  QEvent *event)
 {
     QSet<QGesture *> triggeredGestures;
     QSet<QGesture *> finishedGestures;
     QSet<QGesture *> newMaybeGestures;
-    QSet<QGesture *> canceledGestures;
     QSet<QGesture *> notGestures;
 
     // TODO: sort contexts by the gesture type and check if one of the contexts
@@ -231,7 +228,7 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
     bool ret = false;
 
     // filter the event through recognizers
-    typedef QHash<QObject *, Qt::GestureType>::const_iterator ContextIterator;
+    typedef QMultiMap<QObject *, Qt::GestureType>::const_iterator ContextIterator;
     for (ContextIterator cit = contexts.begin(), ce = contexts.end(); cit != ce; ++cit) {
         Qt::GestureType gestureType = cit.value();
         QMap<Qt::GestureType, QGestureRecognizer *>::const_iterator
@@ -271,6 +268,9 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
             }
         }
     }
+    if (triggeredGestures.isEmpty() && finishedGestures.isEmpty()
+        && newMaybeGestures.isEmpty() && notGestures.isEmpty())
+        return ret;
 
     QSet<QGesture *> startedGestures = triggeredGestures - m_activeGestures;
     triggeredGestures &= m_activeGestures;
@@ -280,8 +280,7 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
 
     // check if a running gesture switched back to not gesture state,
     // i.e. were canceled
-    QSet<QGesture *> activeToCancelGestures = m_activeGestures & notGestures;
-    canceledGestures += activeToCancelGestures;
+    QSet<QGesture *> canceledGestures = m_activeGestures & notGestures;
 
     // start timers for new gestures in maybe state
     foreach (QGesture *state, newMaybeGestures) {
@@ -449,14 +448,14 @@ void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture)
 // return true if accepted (consumed)
 bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
 {
-    QSet<Qt::GestureType> types;
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    QMap<Qt::GestureType, int> types;
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     QWidget *w = receiver;
     typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator;
     if (!w->d_func()->gestureContext.isEmpty()) {
         for(ContextIterator it = w->d_func()->gestureContext.begin(),
             e = w->d_func()->gestureContext.end(); it != e; ++it) {
-            types.insert(it.key());
+            types.insert(it.key(), 0);
             contexts.insertMulti(w, it.key());
         }
     }
@@ -468,7 +467,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
              e = w->d_func()->gestureContext.end(); it != e; ++it) {
             if (!(it.value() & Qt::DontStartGestureOnChildren)) {
                 if (!types.contains(it.key())) {
-                    types.insert(it.key());
+                    types.insert(it.key(), 0);
                     contexts.insertMulti(w, it.key());
                 }
             }
@@ -477,20 +476,20 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
             break;
         w = w->parentWidget();
     }
-    return filterEventThroughContexts(contexts, event);
+    return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
 }
 
 #ifndef QT_NO_GRAPHICSVIEW
 bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event)
 {
-    QSet<Qt::GestureType> types;
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    QMap<Qt::GestureType, int> types;
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     QGraphicsObject *item = receiver;
     if (!item->QGraphicsItem::d_func()->gestureContext.isEmpty()) {
         typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator;
         for(ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.begin(),
             e = item->QGraphicsItem::d_func()->gestureContext.end(); it != e; ++it) {
-            types.insert(it.key());
+            types.insert(it.key(), 0);
             contexts.insertMulti(item, it.key());
         }
     }
@@ -503,20 +502,23 @@ bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event)
              e = item->QGraphicsItem::d_func()->gestureContext.end(); it != e; ++it) {
             if (!(it.value() & Qt::DontStartGestureOnChildren)) {
                 if (!types.contains(it.key())) {
-                    types.insert(it.key());
+                    types.insert(it.key(), 0);
                     contexts.insertMulti(item, it.key());
                 }
             }
         }
         item = item->parentObject();
     }
-    return filterEventThroughContexts(contexts, event);
+    return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
 }
 #endif
 
-bool QGestureManager::filterEvent(QGesture *state, QEvent *event)
+bool QGestureManager::filterEvent(QObject *receiver, QEvent *event)
 {
-    QMultiHash<QObject *, Qt::GestureType> contexts;
+    if (!m_gestureToRecognizer.contains(static_cast<QGesture *>(receiver)))
+        return false;
+    QGesture *state = static_cast<QGesture *>(receiver);
+    QMultiMap<QObject *, Qt::GestureType> contexts;
     contexts.insert(state, state->gestureType());
     return filterEventThroughContexts(contexts, event);
 }
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index 4efa10b..5329d1d 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -73,7 +73,7 @@ public:
     void unregisterGestureRecognizer(Qt::GestureType type);
 
     bool filterEvent(QWidget *receiver, QEvent *event);
-    bool filterEvent(QGesture *receiver, QEvent *event);
+    bool filterEvent(QObject *receiver, QEvent *event);
 #ifndef QT_NO_GRAPHICSVIEW
     bool filterEvent(QGraphicsObject *receiver, QEvent *event);
 #endif //QT_NO_GRAPHICSVIEW
@@ -86,7 +86,7 @@ public:
 
 protected:
     void timerEvent(QTimerEvent *event);
-    bool filterEventThroughContexts(const QMultiHash<QObject *, Qt::GestureType> &contexts,
+    bool filterEventThroughContexts(const QMultiMap<QObject *, Qt::GestureType> &contexts,
                                     QEvent *event);
 
 private:
diff --git a/src/gui/kernel/qguieventdispatcher_glib.cpp b/src/gui/kernel/qguieventdispatcher_glib.cpp
index f8a638c..a252499 100644
--- a/src/gui/kernel/qguieventdispatcher_glib.cpp
+++ b/src/gui/kernel/qguieventdispatcher_glib.cpp
@@ -152,6 +152,8 @@ static gboolean x11EventSourceDispatch(GSource *s, GSourceFunc callback, gpointe
 
  out:
 
+    source->d->runTimersOnceWithNormalPriority();
+
     if (callback)
         callback(user_data);
     return true;
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index 7e93aa0..e9c7b89 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -1482,13 +1482,13 @@ QString QFontDatabase::styleString(const QFontInfo &fontInfo)
     and style will look attractive.
 
     If the font family is available from two or more foundries the
-    foundry name is included in the family name, e.g. "Helvetica
-    [Adobe]" and "Helvetica [Cronyx]". When you specify a family you
-    can either use the old hyphenated Qt 2.x "foundry-family" format,
-    e.g. "Cronyx-Helvetica", or the new bracketed Qt 3.x "family
-    [foundry]" format e.g. "Helvetica [Cronyx]". If the family has a
-    foundry it is always returned, e.g. by families(), using the
-    bracketed format.
+    foundry name is included in the family name; for example:
+    "Helvetica [Adobe]" and "Helvetica [Cronyx]". When you specify a
+    family, you can either use the old hyphenated "foundry-family"
+    format or the bracketed "family [foundry]" format; for example:
+    "Cronyx-Helvetica" or "Helvetica [Cronyx]". If the family has a
+    foundry it is always returned using the bracketed format, as is
+    the case with the value returned by families().
 
     The font() function returns a QFont given a family, style and
     point size.
diff --git a/src/gui/util/qsystemtrayicon_win.cpp b/src/gui/util/qsystemtrayicon_win.cpp
index 362be5b..474555b 100644
--- a/src/gui/util/qsystemtrayicon_win.cpp
+++ b/src/gui/util/qsystemtrayicon_win.cpp
@@ -83,7 +83,11 @@ struct Q_NOTIFYICONIDENTIFIER {
     GUID guidItem;
 };
 
+#define Q_MSGFLT_ALLOW 1
+
 typedef HRESULT (WINAPI *PtrShell_NotifyIconGetRect)(const Q_NOTIFYICONIDENTIFIER* identifier, RECT* iconLocation);
+typedef BOOL (WINAPI *PtrChangeWindowMessageFilter)(UINT message, DWORD dwFlag);
+typedef BOOL (WINAPI *PtrChangeWindowMessageFilterEx)(HWND hWnd, UINT message, DWORD action, void* pChangeFilterStruct);
 
 class QSystemTrayIconSys : QWidget
 {
@@ -143,6 +147,23 @@ QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *object)
     if (!MYWM_TASKBARCREATED) {
         MYWM_TASKBARCREATED = RegisterWindowMessage(L"TaskbarCreated");
     }
+
+    // Allow the WM_TASKBARCREATED message through the UIPI filter on Windows Vista and higher
+    static PtrChangeWindowMessageFilterEx pChangeWindowMessageFilterEx =
+        (PtrChangeWindowMessageFilterEx)QLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilterEx");
+
+    if (pChangeWindowMessageFilterEx) {
+        // Call the safer ChangeWindowMessageFilterEx API if available
+        pChangeWindowMessageFilterEx(winId(), MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW, 0);
+    } else {
+        static PtrChangeWindowMessageFilter pChangeWindowMessageFilter =
+            (PtrChangeWindowMessageFilter)QLibrary::resolve(QLatin1String("user32"), "ChangeWindowMessageFilter");
+
+        if (pChangeWindowMessageFilter) {
+            // Call the deprecated ChangeWindowMessageFilter API otherwise
+            pChangeWindowMessageFilter(MYWM_TASKBARCREATED, Q_MSGFLT_ALLOW);
+        }
+    }
 }
 
 QSystemTrayIconSys::~QSystemTrayIconSys()
diff --git a/src/gui/widgets/qlineedit.h b/src/gui/widgets/qlineedit.h
index 594e488..3f159f6 100644
--- a/src/gui/widgets/qlineedit.h
+++ b/src/gui/widgets/qlineedit.h
@@ -288,6 +288,7 @@ private:
 #ifdef QT_KEYPAD_NAVIGATION
     Q_PRIVATE_SLOT(d_func(), void _q_editFocusChange(bool))
 #endif
+    Q_PRIVATE_SLOT(d_func(), void _q_selectionChanged())
 };
 
 #endif // QT_NO_LINEEDIT
diff --git a/src/gui/widgets/qlineedit_p.cpp b/src/gui/widgets/qlineedit_p.cpp
index 4122bc4..c18ca25 100644
--- a/src/gui/widgets/qlineedit_p.cpp
+++ b/src/gui/widgets/qlineedit_p.cpp
@@ -126,6 +126,21 @@ void QLineEditPrivate::_q_editFocusChange(bool e)
 }
 #endif
 
+void QLineEditPrivate::_q_selectionChanged()
+{
+    Q_Q(QLineEdit);
+    if (control->preeditAreaText().isEmpty()) {
+        QStyleOptionFrameV2 opt;
+        q->initStyleOption(&opt);
+        bool showCursor = control->hasSelectedText() ?
+                          q->style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, q):
+                          true;
+        setCursorVisible(showCursor);
+    }
+
+    emit q->selectionChanged();
+}
+
 void QLineEditPrivate::init(const QString& txt)
 {
     Q_Q(QLineEdit);
@@ -138,7 +153,7 @@ void QLineEditPrivate::init(const QString& txt)
     QObject::connect(control, SIGNAL(cursorPositionChanged(int,int)),
             q, SLOT(_q_cursorPositionChanged(int,int)));
     QObject::connect(control, SIGNAL(selectionChanged()),
-            q, SIGNAL(selectionChanged()));
+            q, SLOT(_q_selectionChanged()));
     QObject::connect(control, SIGNAL(accepted()),
             q, SIGNAL(returnPressed()));
     QObject::connect(control, SIGNAL(editingFinished()),
diff --git a/src/gui/widgets/qlineedit_p.h b/src/gui/widgets/qlineedit_p.h
index dc648e8..f13dce2 100644
--- a/src/gui/widgets/qlineedit_p.h
+++ b/src/gui/widgets/qlineedit_p.h
@@ -128,7 +128,7 @@ public:
 #ifdef QT_KEYPAD_NAVIGATION
     void _q_editFocusChange(bool);
 #endif
-
+    void _q_selectionChanged();
 #ifndef QT_NO_COMPLETER
     void _q_completionHighlighted(QString);
 #endif
diff --git a/src/gui/widgets/qmainwindowlayout_mac.mm b/src/gui/widgets/qmainwindowlayout_mac.mm
index 8d8ffa7..6d50678 100644
--- a/src/gui/widgets/qmainwindowlayout_mac.mm
+++ b/src/gui/widgets/qmainwindowlayout_mac.mm
@@ -463,9 +463,6 @@ void QMainWindowLayout::removeFromMacToolbar(QToolBar *toolbar)
             NSToolbarItem *item = static_cast<NSToolbarItem *>(it.key());
             [[qt_mac_window_for(layoutState.mainWindow->window()) toolbar]
                 removeItemAtIndex:toolbarItemsCopy.indexOf(item)];
-            // In Carbon this hash and list gets emptied via events. In Cocoa, we have to do it ourselves here.
-            it = unifiedToolbarHash.erase(it);
-            qtoolbarsInUnifiedToolbarList.removeAll(toolbar);
 #endif
             break;
         }
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index c20812e..1667c10 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -273,7 +273,7 @@ void QNetworkReplyImplPrivate::handleNotifications()
     if (state != Working)
         return;
 
-    while (!current.isEmpty()) {
+    while (state == Working && !current.isEmpty()) {
         InternalNotifications notification = current.dequeue();
         switch (notification) {
         case NotifyDownstreamReadyWrite:
@@ -580,7 +580,7 @@ QNetworkReplyImpl::~QNetworkReplyImpl()
 void QNetworkReplyImpl::abort()
 {
     Q_D(QNetworkReplyImpl);
-    if (d->state == QNetworkReplyImplPrivate::Aborted)
+    if (d->state == QNetworkReplyImplPrivate::Finished || d->state == QNetworkReplyImplPrivate::Aborted)
         return;
 
     // stop both upload and download