Merge remote branch 'mainline/4.6' into 4.6

6 files changed, 37 insertions, 5 deletions

diff --git a/src/gui/widgets/qdialogbuttonbox.cpp b/src/gui/widgets/qdialogbuttonbox.cpp
index 2ee5751..0e859f1 100644
--- a/src/gui/widgets/qdialogbuttonbox.cpp
+++ b/src/gui/widgets/qdialogbuttonbox.cpp
@@ -1215,6 +1215,30 @@ bool QDialogButtonBox::event(QEvent *event)
     }else if (event->type() == QEvent::LanguageChange) {
         d->retranslateStrings();
     }
+#ifdef QT_SOFTKEYS_ENABLED
+    else if (event->type() == QEvent::ParentChange) {
+        QWidget *dialog = 0;
+        QWidget *p = this;
+        while (p && !p->isWindow()) {
+            p = p->parentWidget();
+            if ((dialog = qobject_cast<QDialog *>(p)))
+                break;
+        }
+
+        // If the parent changes, then move the softkeys
+        for (QHash<QAbstractButton *, QAction *>::const_iterator it = d->softKeyActions.constBegin();
+            it != d->softKeyActions.constEnd(); ++it) {
+            QAction *current = it.value();
+            QList<QWidget *> widgets = current->associatedWidgets();
+            foreach (QWidget *w, widgets)
+                w->removeAction(current);
+            if (dialog)
+                dialog->addAction(current);
+            else
+                addAction(current);
+        }
+    }
+#endif
 
     return QWidget::event(event);
 }
diff --git a/src/gui/widgets/qmdiarea.cpp b/src/gui/widgets/qmdiarea.cpp
index b3288c3..f3dbe34 100644
--- a/src/gui/widgets/qmdiarea.cpp
+++ b/src/gui/widgets/qmdiarea.cpp
@@ -1947,8 +1947,10 @@ QMdiSubWindow *QMdiArea::addSubWindow(QWidget *widget, Qt::WindowFlags windowFla
 /*!
     Removes \a widget from the MDI area. The \a widget must be
     either a QMdiSubWindow or a widget that is the internal widget of
-    a subwindow. Note that the subwindow is not deleted by QMdiArea
-    and that its parent is set to 0.
+    a subwindow. Note \a widget is never actually deleted by QMdiArea.
+    If a QMdiSubWindow is passed in its parent is set to 0 and it is
+    removed, but if an internal widget is passed in the child widget
+    is set to 0 but the QMdiSubWindow is not removed.
 
     \sa addSubWindow()
 */
diff --git a/src/gui/widgets/qmenubar.cpp b/src/gui/widgets/qmenubar.cpp
index e50de02..377b39a 100644
--- a/src/gui/widgets/qmenubar.cpp
+++ b/src/gui/widgets/qmenubar.cpp
@@ -736,6 +736,9 @@ void QMenuBarPrivate::init()
         if(wce_menubar)
             q->hide();
     }
+    else {
+        QApplication::setAttribute(Qt::AA_DontUseNativeMenuBar, true);
+    }
 #endif
 #ifdef Q_WS_S60
     symbianCreateMenuBar(q->parentWidget());
diff --git a/src/gui/widgets/qtabbar.cpp b/src/gui/widgets/qtabbar.cpp
index 3935c55..8ef6017 100644
--- a/src/gui/widgets/qtabbar.cpp
+++ b/src/gui/widgets/qtabbar.cpp
@@ -1948,7 +1948,8 @@ void QTabBar::changeEvent(QEvent *event)
     Q_D(QTabBar);
     if (event->type() == QEvent::StyleChange) {
         d->elideMode = Qt::TextElideMode(style()->styleHint(QStyle::SH_TabBar_ElideMode, 0, this));
-        d->useScrollButtons = !style()->styleHint(QStyle::SH_TabBar_PreferNoArrows, 0, this);
+        if (!d->useScrollButtonsSetByUser)
+            d->useScrollButtons = !style()->styleHint(QStyle::SH_TabBar_PreferNoArrows, 0, this);
         d->refresh();
     } else if (event->type() == QEvent::FontChange) {
         d->refresh();
@@ -2003,6 +2004,7 @@ bool QTabBar::usesScrollButtons() const
 void QTabBar::setUsesScrollButtons(bool useButtons)
 {
     Q_D(QTabBar);
+    d->useScrollButtonsSetByUser = true;
     if (d->useScrollButtons == useButtons)
         return;
     d->useScrollButtons = useButtons;
diff --git a/src/gui/widgets/qtabbar_p.h b/src/gui/widgets/qtabbar_p.h
index 9f3285b..2e8fb6d 100644
--- a/src/gui/widgets/qtabbar_p.h
+++ b/src/gui/widgets/qtabbar_p.h
@@ -75,7 +75,7 @@ class QTabBarPrivate  : public QWidgetPrivate
 public:
     QTabBarPrivate()
         :currentIndex(-1), pressedIndex(-1), shape(QTabBar::RoundedNorth), layoutDirty(false),
-        drawBase(true), scrollOffset(0), expanding(true), closeButtonOnTabs(false),
+        drawBase(true), scrollOffset(0), useScrollButtonsSetByUser(false) , expanding(true), closeButtonOnTabs(false),
         selectionBehaviorOnRemove(QTabBar::SelectRightTab), paintWithOffsets(true), movable(false),
         dragInProgress(false), documentMode(false), movingTab(0)
 #ifdef Q_WS_MAC
@@ -187,6 +187,7 @@ public:
     QSize iconSize;
     Qt::TextElideMode elideMode;
     bool useScrollButtons;
+    bool useScrollButtonsSetByUser;
 
     bool expanding;
     bool closeButtonOnTabs;
diff --git a/src/gui/widgets/qtoolbararealayout_p.h b/src/gui/widgets/qtoolbararealayout_p.h
index f0ab80c..134e95a 100644
--- a/src/gui/widgets/qtoolbararealayout_p.h
+++ b/src/gui/widgets/qtoolbararealayout_p.h
@@ -118,7 +118,7 @@ public:
 
     void extendSize(Qt::Orientation o, int extent)
     {
-        int newSize = qMax(pick(o, minimumSize()), (preferredSize > 0 ? preferredSize : size) + extent);
+        int newSize = qMax(pick(o, minimumSize()), (preferredSize > 0 ? preferredSize : pick(o, sizeHint())) + extent);
         int sizeh = pick(o, sizeHint());
         if (newSize == sizeh) {
             preferredSize = -1;