Merge remote-tracking branch 'origin/stable' into dev

Conflicts:
	src/corelib/global/qglobal.h
	src/plugins/platforms/cocoa/qnsview.mm

Change-Id: I6fe345df5c417cb7a55a3f91285d9b47a22c04fa

7 files changed, 11 insertions, 36 deletions

diff --git a/src/widgets/doc/src/gestures.qdoc b/src/widgets/doc/src/gestures.qdoc
index 027f893db2..ed7e78ec5a 100644
--- a/src/widgets/doc/src/gestures.qdoc
+++ b/src/widgets/doc/src/gestures.qdoc
@@ -29,7 +29,6 @@
     \page gestures-overview.html
     \title Gestures in Widgets and Graphics View
     \startpage index.html Qt Reference Documentation
-    \ingroup technology-apis
     \ingroup qt-gui-concepts
 
     \brief An overview of Qt support for Gesture programming
diff --git a/src/widgets/graphicsview/qgridlayoutengine.cpp b/src/widgets/graphicsview/qgridlayoutengine.cpp
index 8fc4b205d2..f741962264 100644
--- a/src/widgets/graphicsview/qgridlayoutengine.cpp
+++ b/src/widgets/graphicsview/qgridlayoutengine.cpp
@@ -291,7 +291,7 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
 
                     int stretch = stretches[start + i];
                     if (sumStretches == 0) {
-                        if (hasIgnoreFlag) {
+                        if (hasIgnoreFlag || sizes[i] == 0.0) {
                             factors[i] = (stretch < 0) ? 1.0 : 0.0;
                         } else {
                             factors[i] = (stretch < 0) ? sizes[i] : 0.0;
diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp
index 653a9170b2..f72abd20ab 100644
--- a/src/widgets/itemviews/qtreewidget.cpp
+++ b/src/widgets/itemviews/qtreewidget.cpp
@@ -1677,8 +1677,8 @@ void QTreeWidgetItemPrivate::propagateDisabled(QTreeWidgetItem *item)
     the item can be checked, edited, and selected.
 
     The default value for flags is
-    Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled.
-    If the item was constructed with a parent, flags will in addition contain Qt::ItemIsDropEnabled.
+    Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled |
+    Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled.
 
     \sa setFlags()
 */
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index b7f39d45dd..a8fba4fb68 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -3366,7 +3366,7 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
         if (const QStyleOptionToolButton *tb = qstyleoption_cast<const QStyleOptionToolButton *>(opt)) {
             QStyleOptionToolButton myTb = *tb;
             myTb.state &= ~State_AutoRaise;
-            if (w && qobject_cast<QToolBar *>(w->parentWidget())) {
+            if (QStyleHelper::hasAncestor(opt->styleObject, QAccessible::ToolBar)) {
                 QRect cr = tb->rect;
                 int shiftX = 0;
                 int shiftY = 0;
@@ -3405,7 +3405,7 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
                         if (tb->toolButtonStyle != Qt::ToolButtonIconOnly) {
                             needText = true;
                             if (tb->toolButtonStyle == Qt::ToolButtonTextUnderIcon) {
-                                QMainWindow *mw = qobject_cast<QMainWindow *>(w->window());
+                                QMainWindow *mw = w ? qobject_cast<QMainWindow *>(w->window()) : 0;
                                 if (mw && mw->unifiedTitleAndToolBarOnMac()) {
                                     pr.setHeight(pixmap.size().height() / pixmap.devicePixelRatio());
                                     cr.adjust(0, pr.bottom() + 1, 0, 1);
diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
index abef6e8832..6d648f1126 100644
--- a/src/widgets/widgets/qlineedit.cpp
+++ b/src/widgets/widgets/qlineedit.cpp
@@ -132,7 +132,8 @@ void QLineEdit::initStyleOption(QStyleOptionFrame *option) const
 
     A line edit allows the user to enter and edit a single line of
     plain text with a useful collection of editing functions,
-    including undo and redo, cut and paste, and drag and drop.
+    including undo and redo, cut and paste, and drag and drop (see
+    \l setDragEnabled()).
 
     By changing the echoMode() of a line edit, it can also be used as
     a "write-only" field, for inputs such as passwords.
diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp
index 33d2e01ed7..7c72c5c456 100644
--- a/src/widgets/widgets/qmenu.cpp
+++ b/src/widgets/widgets/qmenu.cpp
@@ -420,25 +420,17 @@ void QMenuPrivate::hideUpToMenuBar()
             if (QMenu *m = qobject_cast<QMenu*>(caused)) {
                 caused = m->d_func()->causedPopup.widget;
                 if (!m->d_func()->tornoff)
-                    hideMenu(m, fadeMenus);
+                    hideMenu(m);
                 if (!fadeMenus) // Mac doesn't clear the action until after hidden.
                     m->d_func()->setCurrentAction(0);
             } else {                caused = 0;
             }
         }
-#if defined(Q_WS_MAC)
-        if (fadeMenus) {
-            QEventLoop eventLoop;
-            QTimer::singleShot(int(MenuFadeTimeInSec * 1000), &eventLoop, SLOT(quit()));
-            QMacWindowFader::currentFader()->performFade();
-            eventLoop.exec();
-        }
-#endif
     }
     setCurrentAction(0);
 }
 
-void QMenuPrivate::hideMenu(QMenu *menu, bool justRegister)
+void QMenuPrivate::hideMenu(QMenu *menu)
 {
     if (!menu)
         return;
@@ -462,27 +454,10 @@ void QMenuPrivate::hideMenu(QMenu *menu, bool justRegister)
         eventLoop.exec();
     }
 
-    // Fade out.
-    if (menu->style()->styleHint(QStyle::SH_Menu_FadeOutOnHide)) {
-        // ### Qt 4.4:
-        // Should be something like: q->transitionWindow(Qt::FadeOutTransition, MenuFadeTimeInSec);
-        // Hopefully we'll integrate qt/research/windowtransitions into main before 4.4.
-        // Talk to Richard, Trenton or Bjoern.
-#if defined(Q_WS_MAC)
-        if (justRegister) {
-            QMacWindowFader::currentFader()->setFadeDuration(MenuFadeTimeInSec);
-            QMacWindowFader::currentFader()->registerWindowToFade(menu);
-        } else {
-            macWindowFade(qt_mac_window_for(menu), MenuFadeTimeInSec);
-        }
-
-#endif // Q_WS_MAC
-    }
     aboutToHide = false;
     menu->blockSignals(false);
 #endif // QT_NO_EFFECTS
-    if (!justRegister)
-        menu->close();
+    menu->close();
 }
 
 void QMenuPrivate::popupAction(QAction *action, int delay, bool activateFirst)
diff --git a/src/widgets/widgets/qmenu_p.h b/src/widgets/widgets/qmenu_p.h
index 15f3c92127..71a3fca237 100644
--- a/src/widgets/widgets/qmenu_p.h
+++ b/src/widgets/widgets/qmenu_p.h
@@ -189,7 +189,7 @@ public:
     virtual QList<QPointer<QWidget> > calcCausedStack() const;
     QMenuCaused causedPopup;
     void hideUpToMenuBar();
-    void hideMenu(QMenu *menu, bool justRegister = false);
+    void hideMenu(QMenu *menu);
 
     //index mappings
     inline QAction *actionAt(int i) const { return q_func()->actions().at(i); }