Merge branch '4.7-upstream' into 4.7-doc

25 files changed, 322 insertions, 194 deletions

diff --git a/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview.cpp b/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview.cpp
index e4f70de..7a8aae7 100644
--- a/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview.cpp
@@ -141,6 +141,16 @@ void GraphicsWebView::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
         QGraphicsWebView::mouseMoveEvent(event);
 }
 
+bool GraphicsWebView::sceneEvent(QEvent *event)
+{
+    bool rv = QGraphicsWebView::sceneEvent(event);
+    if (event->type() == QEvent::UngrabMouse) {
+        pressTimer.stop();
+        parent->setKeepMouseGrab(false);
+    }
+    return rv;
+}
+
 /*!
     \qmlclass WebView QDeclarativeWebView
     \ingroup qml-view-elements
diff --git a/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview_p.h b/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview_p.h
index b2055bf..ca15a1e 100644
--- a/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview_p.h
+++ b/src/3rdparty/webkit/WebKit/qt/declarative/qdeclarativewebview_p.h
@@ -70,6 +70,8 @@ protected:
     void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
     void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
     void timerEvent(QTimerEvent* event);
+    bool sceneEvent(QEvent *event);
+
 Q_SIGNALS:
     void doubleClick(int clickX, int clickY);
 private:
diff --git a/src/corelib/kernel/qtcore_eval.cpp b/src/corelib/kernel/qtcore_eval.cpp
index 78556c3..da76b74 100644
--- a/src/corelib/kernel/qtcore_eval.cpp
+++ b/src/corelib/kernel/qtcore_eval.cpp
@@ -90,14 +90,14 @@ static const char will_shutdown_now[] =
 
 static int qt_eval_is_supported()
 {
-    const char *const license_key = qt_eval_key_data + 12;
+    const volatile char *const license_key = qt_eval_key_data + 12;
 
     // fast fail
     if (!qt_eval_key_data[0] || !*license_key)
         return -1;
 
     // is this an unsupported evaluation?
-    const char* typecode = license_key;
+    const volatile char *typecode = license_key;
     int field = 2;
     for ( ; field && *typecode; ++typecode)
         if (*typecode == '-')
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index 69b70cb..6fb182b 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -482,8 +482,10 @@ int QThread::exec()
     Q_D(QThread);
     QMutexLocker locker(&d->mutex);
     d->data->quitNow = false;
-    if (d->exited)
+    if (d->exited) {
+        d->exited = false;
         return d->returnCode;
+    }
     locker.unlock();
 
     QEventLoop eventLoop;
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index a44a0e8..e3b587d 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -97,6 +97,11 @@
 # define SCHED_IDLE    5
 #endif
 
+#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#define QT_HAS_THREAD_PRIORITY_SCHEDULING
+#endif
+
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_THREAD
@@ -503,6 +508,7 @@ void QThread::usleep(unsigned long usecs)
     thread_sleep(&ti);
 }
 
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
 // Does some magic and calculate the Unix scheduler priorities
 // sched_policy is IN/OUT: it must be set to a valid policy before calling this function
 // sched_priority is OUT only
@@ -533,6 +539,7 @@ static bool calculateUnixPriority(int priority, int *sched_policy, int *sched_pr
     *sched_priority = prio;
     return true;
 }
+#endif
 
 void QThread::start(Priority priority)
 {
@@ -553,7 +560,7 @@ void QThread::start(Priority priority)
 
     d->priority = priority;
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && !defined(Q_OS_SYMBIAN) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#if defined(QT_HAS_THREAD_PRIORITY_SCHEDULING) && !defined(Q_OS_SYMBIAN)
 // ### Need to implement thread sheduling and priorities for symbian os. Implementation removed for now
     switch (priority) {
     case InheritPriority:
@@ -594,7 +601,7 @@ void QThread::start(Priority priority)
             break;
         }
     }
-#endif // _POSIX_THREAD_PRIORITY_SCHEDULING
+#endif // QT_HAS_THREAD_PRIORITY_SCHEDULING
 
 #ifdef Q_OS_SYMBIAN
     if (d->stackSize == 0)
@@ -757,7 +764,7 @@ void QThread::setPriority(Priority priority)
 
     // copied from start() with a few modifications:
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
     int sched_policy;
     sched_param param;
 
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index be1dc08..b817eb2 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -7306,6 +7306,7 @@ Q_CORE_EXPORT char *qdtoa( double d, int mode, int ndigits, int *decpt, int *sig
 
 Q_CORE_EXPORT double qstrtod(const char *s00, const char **se, bool *ok)
 {
+    errno = 0;
     double ret = strtod((char*)s00, (char**)se);
     if (ok) {
       if((ret == 0.0l && errno == ERANGE)
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index 1870647..377f3b5 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -281,7 +281,6 @@ void QDeclarativeFlickablePrivate::fixupY()
 
 void QDeclarativeFlickablePrivate::fixup(AxisData &data, qreal minExtent, qreal maxExtent)
 {
-    Q_Q(QDeclarativeFlickable);
     if (data.move.value() > minExtent || maxExtent > minExtent) {
         timeline.reset(data.move);
         if (data.move.value() != minExtent) {
@@ -290,8 +289,7 @@ void QDeclarativeFlickablePrivate::fixup(AxisData &data, qreal minExtent, qreal
                 timeline.move(data.move, minExtent - dist/2, QEasingCurve(QEasingCurve::InQuad), fixupDuration/4);
                 timeline.move(data.move, minExtent, QEasingCurve(QEasingCurve::OutExpo), 3*fixupDuration/4);
             } else {
-                data.move.setValue(minExtent);
-                q->viewportMoved();
+                timeline.set(data.move, minExtent);
             }
         }
     } else if (data.move.value() < maxExtent) {
@@ -301,8 +299,7 @@ void QDeclarativeFlickablePrivate::fixup(AxisData &data, qreal minExtent, qreal
             timeline.move(data.move, maxExtent - dist/2, QEasingCurve(QEasingCurve::InQuad), fixupDuration/4);
             timeline.move(data.move, maxExtent, QEasingCurve(QEasingCurve::OutExpo), 3*fixupDuration/4);
         } else {
-            data.move.setValue(maxExtent);
-            q->viewportMoved();
+            timeline.set(data.move, minExtent);
         }
     }
     vTime = timeline.time();
@@ -703,6 +700,9 @@ void QDeclarativeFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent
     bool rejectY = false;
     bool rejectX = false;
 
+    bool stealY = false;
+    bool stealX = false;
+
     if (q->yflick()) {
         int dy = int(event->pos().y() - pressPos.y());
         if (qAbs(dy) > QApplication::startDragDistance() || QDeclarativeItemPrivate::elapsed(pressTime) > 200) {
@@ -731,7 +731,7 @@ void QDeclarativeFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent
                 vMoved = true;
             }
             if (qAbs(dy) > QApplication::startDragDistance())
-                stealMouse = true;
+                stealY = true;
         }
     }
 
@@ -764,10 +764,12 @@ void QDeclarativeFlickablePrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent
             }
 
             if (qAbs(dx) > QApplication::startDragDistance())
-                stealMouse = true;
+                stealX = true;
         }
     }
 
+    stealMouse = stealX || stealY;
+
     if (!lastPos.isNull()) {
         qreal elapsed = qreal(QDeclarativeItemPrivate::restart(lastPosTime)) / 1000.;
         if (elapsed <= 0)
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index 6be49ba..450b6af 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -183,6 +183,7 @@ public:
         , ownModel(false), wrap(false), autoHighlight(true), haveHighlightRange(false)
         , correctFlick(false), inFlickCorrection(false), lazyRelease(false)
         , deferredRelease(false), layoutScheduled(false), currentIndexCleared(false)
+        , inViewportMoved(false)
         , minExtentDirty(true), maxExtentDirty(true)
     {}
 
@@ -503,6 +504,7 @@ public:
     bool deferredRelease : 1;
     bool layoutScheduled : 1;
     bool currentIndexCleared : 1;
+    bool inViewportMoved : 1;
     mutable bool minExtentDirty : 1;
     mutable bool maxExtentDirty : 1;
 };
@@ -2281,6 +2283,10 @@ void QDeclarativeListView::viewportMoved()
     QDeclarativeFlickable::viewportMoved();
     if (!d->itemCount)
         return;
+    // Recursion can occur due to refill changing the content size.
+    if (d->inViewportMoved)
+        return;
+    d->inViewportMoved = true;
     d->lazyRelease = true;
     refill();
     if (d->flickingHorizontally || d->flickingVertically || d->movingHorizontally || d->movingVertically)
@@ -2294,6 +2300,7 @@ void QDeclarativeListView::viewportMoved()
                 pos = viewPos + d->highlightRangeEnd - d->highlight->size();
             if (pos < viewPos + d->highlightRangeStart)
                 pos = viewPos + d->highlightRangeStart;
+            d->highlightPosAnimator->stop();
             d->highlight->setPosition(qRound(pos));
 
             // update current index
@@ -2341,6 +2348,7 @@ void QDeclarativeListView::viewportMoved()
         }
         d->inFlickCorrection = false;
     }
+    d->inViewportMoved = false;
 }
 
 qreal QDeclarativeListView::minYExtent() const
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index d9edd11..0a043a7 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -500,17 +500,9 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
         const int dragThreshold = QApplication::startDragDistance();
         qreal dx = qAbs(curLocalPos.x() - startLocalPos.x());
         qreal dy = qAbs(curLocalPos.y() - startLocalPos.y());
-        if ((d->dragX && !(dx < dragThreshold)) || (d->dragY && !(dy < dragThreshold))) {
+
+        if (keepMouseGrab() && d->stealMouse)
             d->drag->setActive(true);
-            d->stealMouse = true;
-        }
-        if (!keepMouseGrab()) {
-            if ((!d->dragY && dy < dragThreshold && d->dragX && dx > dragThreshold)
-                || (!d->dragX && dx < dragThreshold && d->dragY && dy > dragThreshold)
-                || (d->dragX && d->dragY)) {
-                setKeepMouseGrab(true);
-            }
-        }
 
         if (d->dragX && d->drag->active()) {
             qreal x = (curLocalPos.x() - startLocalPos.x()) + d->startX;
@@ -528,6 +520,16 @@ void QDeclarativeMouseArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
                 y = drag()->ymax();
             drag()->target()->setY(y);
         }
+
+        if (!keepMouseGrab()) {
+            if ((!d->dragY && dy < dragThreshold && d->dragX && dx > dragThreshold)
+                || (!d->dragX && dx < dragThreshold && d->dragY && dy > dragThreshold)
+                || (d->dragX && d->dragY && (dx > dragThreshold || dy > dragThreshold))) {
+                setKeepMouseGrab(true);
+                d->stealMouse = true;
+            }
+        }
+
         d->moved = true;
     }
     QDeclarativeMouseEvent me(d->lastPos.x(), d->lastPos.y(), d->lastButton, d->lastButtons, d->lastModifiers, false, d->longPress);
@@ -618,6 +620,7 @@ bool QDeclarativeMouseArea::sceneEvent(QEvent *event)
             // if our mouse grab has been removed (probably by Flickable), fix our
             // state
             d->pressed = false;
+            d->stealMouse = false;
             setKeepMouseGrab(false);
             emit canceled();
             emit pressedChanged();
@@ -672,8 +675,18 @@ bool QDeclarativeMouseArea::sendMouseEvent(QGraphicsSceneMouseEvent *event)
         return stealThisEvent;
     }
     if (mouseEvent.type() == QEvent::GraphicsSceneMouseRelease) {
-        d->stealMouse = false;
-        ungrabMouse();
+        if (d->pressed) {
+            d->pressed = false;
+            d->stealMouse = false;
+            if (s && s->mouseGrabberItem() == this)
+                ungrabMouse();
+            emit canceled();
+            emit pressedChanged();
+            if (d->hovered) {
+                d->hovered = false;
+                emit hoveredChanged();
+            }
+        }
     }
     return false;
 }
diff --git a/src/declarative/qml/qdeclarativeworkerscript.cpp b/src/declarative/qml/qdeclarativeworkerscript.cpp
index be7ea0e..4b78020 100644
--- a/src/declarative/qml/qdeclarativeworkerscript.cpp
+++ b/src/declarative/qml/qdeclarativeworkerscript.cpp
@@ -52,6 +52,7 @@
 #include <QtCore/qwaitcondition.h>
 #include <QtScript/qscriptvalueiterator.h>
 #include <QtCore/qfile.h>
+#include <QtCore/qdatetime.h>
 #include <QtNetwork/qnetworkaccessmanager.h>
 #include <QtDeclarative/qdeclarativeinfo.h>
 #include "qdeclarativenetworkaccessmanagerfactory.h"
@@ -314,6 +315,12 @@ QVariant QDeclarativeWorkerScriptEnginePrivate::scriptValueToVariant(const QScri
         return QVariant(value.toString());
     } else if (value.isNumber()) {
         return QVariant((qreal)value.toNumber());
+    } else if (value.isDate()) {
+        return QVariant(value.toDateTime());
+#ifndef QT_NO_REGEXP
+    } else if (value.isRegExp()) {
+        return QVariant(value.toRegExp());
+#endif
     } else if (value.isArray()) {
         QVariantList list;
 
@@ -364,6 +371,12 @@ QScriptValue QDeclarativeWorkerScriptEnginePrivate::variantToScriptValue(const Q
         return QScriptValue(value.toString());
     } else if (value.userType() == QMetaType::QReal) {
         return QScriptValue(value.toReal());
+    } else if (value.userType() == QVariant::DateTime) {
+        return engine->newDate(value.toDateTime());
+#ifndef QT_NO_REGEXP
+    } else if (value.userType() == QVariant::RegExp) {
+        return engine->newRegExp(value.toRegExp());
+#endif
     } else if (value.userType() == qMetaTypeId<QDeclarativeListModelWorkerAgent::VariantRef>()) {
         QDeclarativeListModelWorkerAgent::VariantRef vr = qvariant_cast<QDeclarativeListModelWorkerAgent::VariantRef>(value);
         if (vr.a->scriptEngine() == 0)
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index fe25b0f..2f8b9e2 100644
--- a/src/gui/dialogs/qmessagebox.cpp
+++ b/src/gui/dialogs/qmessagebox.cpp
@@ -776,10 +776,8 @@ QMessageBox::QMessageBox(QWidget *parent)
     added at any time using addButton(). The \a parent and \a f
     arguments are passed to the QDialog constructor.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     On Mac OS X, if \a parent is not 0 and you want your message box
     to appear as a Qt::Sheet of that parent, set the message box's
@@ -1549,10 +1547,8 @@ static QMessageBox::StandardButton showNewMessageBox(QWidget *parent,
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa question(), warning(), critical()
 */
@@ -1579,10 +1575,8 @@ QMessageBox::StandardButton QMessageBox::information(QWidget *parent, const QStr
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa information(), warning(), critical()
 */
@@ -1607,10 +1601,8 @@ QMessageBox::StandardButton QMessageBox::question(QWidget *parent, const QString
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa question(), information(), critical()
 */
@@ -1635,10 +1627,8 @@ QMessageBox::StandardButton QMessageBox::warning(QWidget *parent, const QString
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -1670,7 +1660,7 @@ QMessageBox::StandardButton QMessageBox::critical(QWidget *parent, const QString
 
     The about box has a single button labelled "OK". On Mac OS X, the
     about box is popped up as a modeless window; on other platforms,
-    it is currently a window modal.
+    it is currently application modal.
 
     \sa QWidget::windowIcon(), QApplication::activeWindow()
 */
@@ -1723,7 +1713,7 @@ void QMessageBox::about(QWidget *parent, const QString &title, const QString &te
     QApplication provides this functionality as a slot.
 
     On Mac OS X, the about box is popped up as a modeless window; on
-    other platforms, it is currently window modal.
+    other platforms, it is currently application modal.
 
     \sa QApplication::aboutQt()
 */
@@ -1983,10 +1973,8 @@ void QMessageBoxPrivate::retranslateStrings()
 
     \snippet doc/src/snippets/dialogs/dialogs.cpp 2
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     The \a parent and \a f arguments are passed to
     the QDialog constructor.
@@ -2035,10 +2023,8 @@ QMessageBox::QMessageBox(const QString &title, const QString &text, Icon icon,
     Returns the identity (QMessageBox::Ok, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2073,10 +2059,8 @@ int QMessageBox::information(QWidget *parent, const QString &title, const QStrin
     supply 0, 1 or 2 to make pressing \key Esc equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2125,10 +2109,8 @@ int QMessageBox::information(QWidget *parent, const QString &title, const QStrin
     Returns the identity (QMessageBox::Yes, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2163,10 +2145,8 @@ int QMessageBox::question(QWidget *parent, const QString &title, const QString&
     supply 0, 1 or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2215,10 +2195,8 @@ int QMessageBox::question(QWidget *parent, const QString &title, const QString&
     Returns the identity (QMessageBox::Ok or QMessageBox::No or ...)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2253,10 +2231,8 @@ int QMessageBox::warning(QWidget *parent, const QString &title, const QString& t
     supply 0, 1, or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2304,10 +2280,8 @@ int QMessageBox::warning(QWidget *parent, const QString &title, const QString& t
     Returns the identity (QMessageBox::Ok, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2343,10 +2317,8 @@ int QMessageBox::critical(QWidget *parent, const QString &title, const QString&
     supply 0, 1, or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
diff --git a/src/gui/graphicsview/qgraphicsgridlayout.cpp b/src/gui/graphicsview/qgraphicsgridlayout.cpp
index 3fc7f10..20ebab6 100644
--- a/src/gui/graphicsview/qgraphicsgridlayout.cpp
+++ b/src/gui/graphicsview/qgraphicsgridlayout.cpp
@@ -64,6 +64,17 @@
     removeAt() will remove an item from the layout, without
     destroying it.
 
+    \section1 Size Hints and Size Policies in QGraphicsGridLayout
+
+    QGraphicsGridLayout respects each item's size hints and size policies,
+    and when a cell in the grid has more space than the items can fill, each item
+    is arranged according to the layout's alignment for that item. You can set
+    an alignment for each item by calling setAlignment(), and check the
+    alignment for any item by calling alignment(). You can also set the alignment
+    for an entire row or column by calling setRowAlignment() and setColumnAlignment()
+    respectively.  By default, items are aligned to the top left.
+
+
     \sa QGraphicsLinearLayout, QGraphicsWidget
 */
 
diff --git a/src/gui/graphicsview/qgraphicslayoutitem.cpp b/src/gui/graphicsview/qgraphicslayoutitem.cpp
index e43f7fa..016cfbf 100644
--- a/src/gui/graphicsview/qgraphicslayoutitem.cpp
+++ b/src/gui/graphicsview/qgraphicslayoutitem.cpp
@@ -137,19 +137,28 @@ void QGraphicsLayoutItemPrivate::init()
 QSizeF *QGraphicsLayoutItemPrivate::effectiveSizeHints(const QSizeF &constraint) const
 {
     Q_Q(const QGraphicsLayoutItem);
-    if (!sizeHintCacheDirty && cachedConstraint == constraint)
-        return cachedSizeHints;
+    QSizeF *sizeHintCache;
+    const bool hasConstraint = constraint.width() >= 0 || constraint.height() >= 0;
+    if (hasConstraint) {
+        if (!sizeHintWithConstraintCacheDirty && constraint == cachedConstraint)
+            return cachedSizeHintsWithConstraints;
+        sizeHintCache = cachedSizeHintsWithConstraints;
+    } else {
+        if (!sizeHintCacheDirty)
+            return cachedSizeHints;
+        sizeHintCache = cachedSizeHints;
+    }
 
     for (int i = 0; i < Qt::NSizeHints; ++i) {
-        cachedSizeHints[i] = constraint;
+        sizeHintCache[i] = constraint;
         if (userSizeHints)
-            combineSize(cachedSizeHints[i], userSizeHints[i]);
+            combineSize(sizeHintCache[i], userSizeHints[i]);
     }
 
-    QSizeF &minS = cachedSizeHints[Qt::MinimumSize];
-    QSizeF &prefS = cachedSizeHints[Qt::PreferredSize];
-    QSizeF &maxS = cachedSizeHints[Qt::MaximumSize];
-    QSizeF &descentS = cachedSizeHints[Qt::MinimumDescent];
+    QSizeF &minS = sizeHintCache[Qt::MinimumSize];
+    QSizeF &prefS = sizeHintCache[Qt::PreferredSize];
+    QSizeF &maxS = sizeHintCache[Qt::MaximumSize];
+    QSizeF &descentS = sizeHintCache[Qt::MinimumDescent];
 
     normalizeHints(minS.rwidth(), prefS.rwidth(), maxS.rwidth(), descentS.rwidth());
     normalizeHints(minS.rheight(), prefS.rheight(), maxS.rheight(), descentS.rheight());
@@ -175,9 +184,13 @@ QSizeF *QGraphicsLayoutItemPrivate::effectiveSizeHints(const QSizeF &constraint)
     // Not supported yet
     // COMBINE_SIZE(descentS, q->sizeHint(Qt::MinimumDescent, constraint));
 
-    cachedConstraint = constraint;
-    sizeHintCacheDirty = false;
-    return cachedSizeHints;
+    if (hasConstraint) {
+        cachedConstraint = constraint;
+        sizeHintWithConstraintCacheDirty = false;
+    } else {
+        sizeHintCacheDirty = false;
+    }
+    return sizeHintCache;
 }
 
 
diff --git a/src/gui/graphicsview/qgraphicslayoutitem_p.h b/src/gui/graphicsview/qgraphicslayoutitem_p.h
index b752e03..d72ee9f 100644
--- a/src/gui/graphicsview/qgraphicslayoutitem_p.h
+++ b/src/gui/graphicsview/qgraphicslayoutitem_p.h
@@ -85,8 +85,10 @@ public:
     QSizeF *userSizeHints;
     mutable QSizeF cachedSizeHints[Qt::NSizeHints];
     mutable QSizeF cachedConstraint;
+    mutable QSizeF cachedSizeHintsWithConstraints[Qt::NSizeHints];
 
     mutable quint32 sizeHintCacheDirty : 1;
+    mutable quint32 sizeHintWithConstraintCacheDirty : 1;
     quint32 isLayout : 1;
     quint32 ownedByLayout : 1;
 
diff --git a/src/gui/graphicsview/qgraphicslinearlayout.cpp b/src/gui/graphicsview/qgraphicslinearlayout.cpp
index 7e8d19f..244a728 100644
--- a/src/gui/graphicsview/qgraphicslinearlayout.cpp
+++ b/src/gui/graphicsview/qgraphicslinearlayout.cpp
@@ -75,7 +75,7 @@
     is arranged according to the layout's alignment for that item. You can set
     an alignment for each item by calling setAlignment(), and check the
     alignment for any item by calling alignment(). By default, items are
-    centered both vertically and horizontally.
+    aligned to the top left.
 
     \section1 Spacing within QGraphicsLinearLayout
 
@@ -446,7 +446,7 @@ void QGraphicsLinearLayout::setAlignment(QGraphicsLayoutItem *item, Qt::Alignmen
 
 /*!
     Returns the alignment for \a item. The default alignment is
-    Qt::AlignCenter.
+    Qt::AlignTop | Qt::AlignLeft.
 
     The alignment decides how the item is positioned within its assigned space
     in the case where there's more space available in the layout than the
diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index e486b4d..f1055ba 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -166,7 +166,7 @@ void QGridLayoutRowData::reset(int count)
     hasIgnoreFlag = false;
 }
 
-void QGridLayoutRowData::distributeMultiCells()
+void QGridLayoutRowData::distributeMultiCells(const QGridLayoutRowInfo &rowInfo)
 {
     MultiCellMap::const_iterator i = multiCellMap.constBegin();
     for (; i != multiCellMap.constEnd(); ++i) {
@@ -185,7 +185,7 @@ void QGridLayoutRowData::distributeMultiCells()
             qreal extra = compare(box, totalBox, j);
             if (extra > 0.0) {
                 calculateGeometries(start, end, box.q_sizes(j), dummy.data(), newSizes.data(),
-                                    0, totalBox);
+                                    0, totalBox, rowInfo);
 
                 for (int k = 0; k < span; ++k)
                     extras[k].q_sizes(j) = newSizes[k];
@@ -202,11 +202,12 @@ void QGridLayoutRowData::distributeMultiCells()
 
 void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSize, qreal *positions,
                                              qreal *sizes, qreal *descents,
-                                             const QGridLayoutBox &totalBox)
+                                             const QGridLayoutBox &totalBox,
+                                             const QGridLayoutRowInfo &rowInfo)
 {
     Q_ASSERT(end > start);
 
-    targetSize = qBound(totalBox.q_minimumSize, targetSize, totalBox.q_maximumSize);
+    targetSize = qMax(totalBox.q_minimumSize, targetSize);
 
     int n = end - start;
     QVarLengthArray<qreal> newSizes(n);
@@ -246,16 +247,22 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
             }
         }
     } else {
-        stealBox(start, end, PreferredSize, positions, sizes);
+        bool isLargerThanMaximum = (targetSize > totalBox.q_maximumSize);
+        if (isLargerThanMaximum) {
+            stealBox(start, end, MaximumSize, positions, sizes);
+            sumAvailable = targetSize - totalBox.q_maximumSize;
+        } else {
+            stealBox(start, end, PreferredSize, positions, sizes);
+            sumAvailable = targetSize - totalBox.q_preferredSize;
+        }
 
-        sumAvailable = targetSize - totalBox.q_preferredSize;
         if (sumAvailable > 0.0) {
             qreal sumCurrentAvailable = sumAvailable;
             bool somethingHasAMaximumSize = false;
 
-            qreal sumPreferredSizes = 0.0;
+            qreal sumSizes = 0.0;
             for (int i = 0; i < n; ++i)
-                sumPreferredSizes += sizes[i];
+                sumSizes += sizes[i];
 
             for (int i = 0; i < n; ++i) {
                 if (ignore.testBit(start + i)) {
@@ -265,7 +272,16 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
                 }
 
                 const QGridLayoutBox &box = boxes.at(start + i);
-                qreal desired = box.q_maximumSize - box.q_preferredSize;
+                qreal boxSize;
+
+                qreal desired;
+                if (isLargerThanMaximum) {
+                    boxSize = box.q_maximumSize;
+                    desired = rowInfo.boxes.value(start + i).q_maximumSize - boxSize;
+                } else {
+                    boxSize = box.q_preferredSize;
+                    desired = box.q_maximumSize - boxSize;
+                }
                 if (desired == 0.0) {
                     newSizes[i] = sizes[i];
                     factors[i] = 0.0;
@@ -284,17 +300,17 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
                     } else if (stretch <= 0) {
                         factors[i] = 0.0;
                     } else {
-                        qreal ultimatePreferredSize;
-                        qreal ultimateSumPreferredSizes;
-                        qreal x = ((stretch * sumPreferredSizes)
-                                   - (sumStretches * box.q_preferredSize))
+                        qreal ultimateSize;
+                        qreal ultimateSumSizes;
+                        qreal x = ((stretch * sumSizes)
+                                   - (sumStretches * boxSize))
                                   / (sumStretches - stretch);
                         if (x >= 0.0) {
-                            ultimatePreferredSize = box.q_preferredSize + x;
-                            ultimateSumPreferredSizes = sumPreferredSizes + x;
+                            ultimateSize = boxSize + x;
+                            ultimateSumSizes = sumSizes + x;
                         } else {
-                            ultimatePreferredSize = box.q_preferredSize;
-                            ultimateSumPreferredSizes = (sumStretches * box.q_preferredSize)
+                            ultimateSize = boxSize;
+                            ultimateSumSizes = (sumStretches * boxSize)
                                                         / stretch;
                         }
 
@@ -303,17 +319,17 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
                             (at the expense of the stretch factors, which are not fully respected
                             during the transition).
                         */
-                        ultimatePreferredSize = ultimatePreferredSize * 3 / 2;
-                        ultimateSumPreferredSizes = ultimateSumPreferredSizes * 3 / 2;
+                        ultimateSize = ultimateSize * 3 / 2;
+                        ultimateSumSizes = ultimateSumSizes * 3 / 2;
 
-                        qreal beta = ultimateSumPreferredSizes - sumPreferredSizes;
+                        qreal beta = ultimateSumSizes - sumSizes;
                         if (!beta) {
                             factors[i] = 1;
                         } else {
                             qreal alpha = qMin(sumCurrentAvailable, beta);
-                            qreal ultimateFactor = (stretch * ultimateSumPreferredSizes / sumStretches)
-                                                   - (box.q_preferredSize);
-                            qreal transitionalFactor = sumCurrentAvailable * (ultimatePreferredSize - box.q_preferredSize) / beta;
+                            qreal ultimateFactor = (stretch * ultimateSumSizes / sumStretches)
+                                                   - (boxSize);
+                            qreal transitionalFactor = sumCurrentAvailable * (ultimateSize - boxSize) / beta;
 
                             factors[i] = ((alpha * ultimateFactor)
                                           + ((beta - alpha) * transitionalFactor)) / beta;
@@ -336,11 +352,16 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
                     if (newSizes[i] >= 0.0)
                         continue;
 
-                    const QGridLayoutBox &box = boxes.at(start + i);
+                    qreal maxBoxSize;
+                    if (isLargerThanMaximum)
+                        maxBoxSize = rowInfo.boxes.value(start + i).q_maximumSize;
+                    else
+                        maxBoxSize = boxes.at(start + i).q_maximumSize;
+
                     qreal avail = sumCurrentAvailable * factors[i] / sumFactors;
-                    if (sizes[i] + avail >= box.q_maximumSize) {
-                        newSizes[i] = box.q_maximumSize;
-                        sumCurrentAvailable -= box.q_maximumSize - sizes[i];
+                    if (sizes[i] + avail >= maxBoxSize) {
+                        newSizes[i] = maxBoxSize;
+                        sumCurrentAvailable -= maxBoxSize - sizes[i];
                         sumFactors -= factors[i];
                         keepGoing = (sumCurrentAvailable > 0.0);
                         if (!keepGoing)
@@ -637,7 +658,7 @@ QRectF QGridLayoutItem::geometryWithin(qreal x, qreal y, qreal width, qreal heig
             if (dynamicConstraintOrientation() == Qt::Vertical) {
                if (size.width() > cellWidth)
                    size = effectiveMaxSize(QSizeF(cellWidth, -1));
-            } else if(size.height() > cellHeight) {
+            } else if (size.height() > cellHeight) {
                 size = effectiveMaxSize(QSizeF(-1, cellHeight));
             }
         }
@@ -1107,63 +1128,58 @@ QSizeF QGridLayoutEngine::sizeHint(const QLayoutStyleInfo &styleInfo, Qt::SizeHi
 {
     QGridLayoutBox sizehint_totalBoxes[NOrientations];
 
-    if(rowCount() < 1 || columnCount() < 1 || !hasDynamicConstraint()) {
+    bool sizeHintCalculated = false;
+
+    if (hasDynamicConstraint() && rowCount() > 0 && columnCount() > 0) {
+        if (constraintOrientation() == Qt::Vertical) {
+            //We have items whose height depends on their width
+            if (constraint.width() >= 0) {
+                if (q_cachedDataForStyleInfo != styleInfo)
+                    ensureColumnAndRowData(&q_columnData, &sizehint_totalBoxes[Hor], styleInfo, NULL, NULL, Qt::Horizontal);
+                else
+                    sizehint_totalBoxes[Hor] = q_totalBoxes[Hor];
+                QVector<qreal> sizehint_xx;
+                QVector<qreal> sizehint_widths;
+
+                sizehint_xx.resize(columnCount());
+                sizehint_widths.resize(columnCount());
+                qreal width = constraint.width();
+                //Calculate column widths and positions, and put results in q_xx.data() and q_widths.data() so that we can use this information as
+                //constraints to find the row heights
+                q_columnData.calculateGeometries(0, columnCount(), width, sizehint_xx.data(), sizehint_widths.data(),
+                        0, sizehint_totalBoxes[Hor], q_infos[Hor]);
+                ensureColumnAndRowData(&q_rowData, &sizehint_totalBoxes[Ver], styleInfo, sizehint_xx.data(), sizehint_widths.data(), Qt::Vertical);
+                sizeHintCalculated = true;
+            }
+        } else {
+            if (constraint.height() >= 0) {
+                //We have items whose width depends on their height
+                ensureColumnAndRowData(&q_rowData, &sizehint_totalBoxes[Ver], styleInfo, NULL, NULL, Qt::Vertical);
+                QVector<qreal> sizehint_yy;
+                QVector<qreal> sizehint_heights;
+
+                sizehint_yy.resize(rowCount());
+                sizehint_heights.resize(rowCount());
+                qreal height = constraint.height();
+                //Calculate row heights and positions, and put results in q_yy.data() and q_heights.data() so that we can use this information as
+                //constraints to find the column widths
+                q_rowData.calculateGeometries(0, rowCount(), height, sizehint_yy.data(), sizehint_heights.data(),
+                        0, sizehint_totalBoxes[Ver], q_infos[Ver]);
+                ensureColumnAndRowData(&q_columnData, &sizehint_totalBoxes[Hor], styleInfo, sizehint_yy.data(), sizehint_heights.data(), Qt::Vertical);
+                sizeHintCalculated = true;
+            }
+        }
+    }
+
+    if (!sizeHintCalculated) {
         //No items with height for width, so it doesn't matter which order we do these in
-        if(q_cachedDataForStyleInfo != styleInfo) {
+        if (q_cachedDataForStyleInfo != styleInfo) {
             ensureColumnAndRowData(&q_columnData, &sizehint_totalBoxes[Hor], styleInfo, NULL, NULL, Qt::Horizontal);
             ensureColumnAndRowData(&q_rowData, &sizehint_totalBoxes[Ver], styleInfo, NULL, NULL, Qt::Vertical);
         } else {
             sizehint_totalBoxes[Hor] = q_totalBoxes[Hor];
             sizehint_totalBoxes[Ver] = q_totalBoxes[Ver];
         }
-    } else if(constraintOrientation() == Qt::Vertical) {
-        //We have items whose width depends on their height
-        if(q_cachedDataForStyleInfo != styleInfo)
-            ensureColumnAndRowData(&q_columnData, &sizehint_totalBoxes[Hor], styleInfo, NULL, NULL, Qt::Horizontal);
-        else
-            sizehint_totalBoxes[Hor] = q_totalBoxes[Hor];
-        QVector<qreal> sizehint_xx;
-        QVector<qreal> sizehint_widths;
-
-        sizehint_xx.resize(columnCount());
-        sizehint_widths.resize(columnCount());
-        qreal width = constraint.width();
-        if(width < 0) {
-            /* It's not obvious what the behaviour should be. */
-/*            if(which == Qt::MaximumSize)
-                width = sizehint_totalBoxes[Hor].q_maximumSize;
-            else if(which == Qt::MinimumSize)
-                width = sizehint_totalBoxes[Hor].q_minimumSize;
-            else*/
-                width = sizehint_totalBoxes[Hor].q_preferredSize;
-        }
-        //Calculate column widths and positions, and put results in q_xx.data() and q_widths.data() so that we can use this information as
-        //constraints to find the row heights
-        q_columnData.calculateGeometries(0, columnCount(), width, sizehint_xx.data(), sizehint_widths.data(),
-                0, sizehint_totalBoxes[Hor]);
-        ensureColumnAndRowData(&q_rowData, &sizehint_totalBoxes[Ver], styleInfo, sizehint_xx.data(), sizehint_widths.data(), Qt::Vertical);
-    } else {
-        //We have items whose height depends on their width
-        ensureColumnAndRowData(&q_rowData, &sizehint_totalBoxes[Ver], styleInfo, NULL, NULL, Qt::Vertical);
-        QVector<qreal> sizehint_yy;
-        QVector<qreal> sizehint_heights;
-
-        sizehint_yy.resize(rowCount());
-        sizehint_heights.resize(rowCount());
-        qreal height = constraint.height();
-        if(height < 0) {
-/*            if(which == Qt::MaximumSize)
-                height = sizehint_totalBoxes[Ver].q_maximumSize;
-            else if(which == Qt::MinimumSize)
-                height = sizehint_totalBoxes[Ver].q_minimumSize;
-            else*/
-                height = sizehint_totalBoxes[Ver].q_preferredSize;
-        }
-        //Calculate row heights and positions, and put results in q_yy.data() and q_heights.data() so that we can use this information as
-        //constraints to find the column widths
-        q_rowData.calculateGeometries(0, rowCount(), height, sizehint_yy.data(), sizehint_heights.data(),
-                0, sizehint_totalBoxes[Ver]);
-        ensureColumnAndRowData(&q_columnData, &sizehint_totalBoxes[Hor], styleInfo, sizehint_yy.data(), sizehint_heights.data(), Qt::Vertical);
     }
 
     switch (which) {
@@ -1622,7 +1638,8 @@ void QGridLayoutEngine::ensureColumnAndRowData(QGridLayoutRowData *rowData, QGri
 {
     rowData->reset(rowCount(orientation));
     fillRowData(rowData, styleInfo, colPositions, colSizes, orientation);
-    rowData->distributeMultiCells();
+    const QGridLayoutRowInfo &rowInfo = q_infos[orientation == Qt::Vertical];
+    rowData->distributeMultiCells(rowInfo);
     *totalBox = rowData->totalBox(0, rowCount(orientation));
         //We have items whose width depends on their height
 }
@@ -1685,28 +1702,28 @@ void QGridLayoutEngine::ensureGeometries(const QLayoutStyleInfo &styleInfo,
     q_heights.resize(rowCount());
     q_descents.resize(rowCount());
 
-    if(constraintOrientation() != Qt::Horizontal) {
+    if (constraintOrientation() != Qt::Horizontal) {
         //We might have items whose width depends on their height
         ensureColumnAndRowData(&q_columnData, &q_totalBoxes[Hor], styleInfo, NULL, NULL, Qt::Horizontal);
         //Calculate column widths and positions, and put results in q_xx.data() and q_widths.data() so that we can use this information as
         //constraints to find the row heights
         q_columnData.calculateGeometries(0, columnCount(), size.width(), q_xx.data(), q_widths.data(),
-                0, q_totalBoxes[Hor]);
+                0, q_totalBoxes[Hor], q_infos[Hor] );
         ensureColumnAndRowData(&q_rowData, &q_totalBoxes[Ver], styleInfo, q_xx.data(), q_widths.data(), Qt::Vertical);
         //Calculate row heights and positions, and put results in q_yy.data() and q_heights.data()
         q_rowData.calculateGeometries(0, rowCount(), size.height(), q_yy.data(), q_heights.data(),
-                q_descents.data(), q_totalBoxes[Ver]);
+                q_descents.data(), q_totalBoxes[Ver], q_infos[Ver]);
     } else {
         //We have items whose height depends on their width
         ensureColumnAndRowData(&q_rowData, &q_totalBoxes[Ver], styleInfo, NULL, NULL, Qt::Vertical);
         //Calculate row heights and positions, and put results in q_yy.data() and q_heights.data() so that we can use this information as
         //constraints to find the column widths
         q_rowData.calculateGeometries(0, rowCount(), size.height(), q_yy.data(), q_heights.data(),
-                q_descents.data(), q_totalBoxes[Ver]);
+                q_descents.data(), q_totalBoxes[Ver], q_infos[Ver]);
         ensureColumnAndRowData(&q_columnData, &q_totalBoxes[Hor], styleInfo, q_yy.data(), q_heights.data(), Qt::Horizontal);
         //Calculate row heights and positions, and put results in q_yy.data() and q_heights.data()
         q_columnData.calculateGeometries(0, columnCount(), size.width(), q_xx.data(), q_widths.data(),
-                0, q_totalBoxes[Hor]);
+                0, q_totalBoxes[Hor], q_infos[Hor]);
     }
 }
 
diff --git a/src/gui/graphicsview/qgridlayoutengine_p.h b/src/gui/graphicsview/qgridlayoutengine_p.h
index 02c74b0..44efbba 100644
--- a/src/gui/graphicsview/qgridlayoutengine_p.h
+++ b/src/gui/graphicsview/qgridlayoutengine_p.h
@@ -224,13 +224,16 @@ public:
 
 typedef QMap<QPair<int, int>, QGridLayoutMultiCellData> MultiCellMap;
 
+class QGridLayoutRowInfo;
+
 class QGridLayoutRowData
 {
 public:
     void reset(int count);
-    void distributeMultiCells();
+    void distributeMultiCells(const QGridLayoutRowInfo &rowInfo);
     void calculateGeometries(int start, int end, qreal targetSize, qreal *positions, qreal *sizes,
-                             qreal *descents, const QGridLayoutBox &totalBox);
+                             qreal *descents, const QGridLayoutBox &totalBox,
+                             const QGridLayoutRowInfo &rowInfo);
     QGridLayoutBox totalBox(int start, int end) const;
     void stealBox(int start, int end, int which, qreal *positions, qreal *sizes);
 
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 5fe9050..2f09529 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -1438,10 +1438,11 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
             const QRect iconRect = subElementRect(SE_ItemViewItemDecoration, &voptAdj, widget);
             QRect textRect = subElementRect(SE_ItemViewItemText, &voptAdj, widget);
             const QAbstractItemView *itemView = qobject_cast<const QAbstractItemView *>(widget);
-            const bool singleSelection =
-                (itemView->selectionMode() == QAbstractItemView::SingleSelection ||
-                 itemView->selectionMode() == QAbstractItemView::NoSelection);
-            const bool selectItems = (itemView->selectionBehavior() == QAbstractItemView::SelectItems);
+
+            const bool singleSelection = itemView &&
+                ((itemView->selectionMode() == QAbstractItemView::SingleSelection ||
+                 itemView->selectionMode() == QAbstractItemView::NoSelection));
+            const bool selectItems = itemView && (itemView->selectionBehavior() == QAbstractItemView::SelectItems);
 
             // draw themed background for itemview unless background brush has been defined.
             if (vopt->backgroundBrush == Qt::NoBrush) {
@@ -2536,6 +2537,56 @@ QSize QS60Style::sizeFromContents(ContentsType ct, const QStyleOption *opt,
             if (const QStyleOptionToolButton *toolBtn = qstyleoption_cast<const QStyleOptionToolButton *>(opt))
                 if (toolBtn->subControls & SC_ToolButtonMenu)
                     sz += QSize(pixelMetric(PM_MenuButtonIndicator), 0);
+
+            //Make toolbuttons in toolbar stretch the whole screen area
+            if (widget && qobject_cast<const QToolBar *>(widget->parentWidget())) {
+                const QToolBar *tb = qobject_cast<const QToolBar *>(widget->parentWidget());
+                const bool parentCanGrowHorizontally = !(tb->sizePolicy().horizontalPolicy() == QSizePolicy::Fixed ||
+                        tb->sizePolicy().horizontalPolicy() == QSizePolicy::Maximum) && tb->orientation() == Qt::Horizontal;
+
+                if (parentCanGrowHorizontally) {
+                    int visibleButtons = 0;
+                    //Make the auto-stretch to happen only for horizontal orientation
+                    if (tb && tb->orientation() == Qt::Horizontal) {
+                        QList<QAction*> actionList =  tb->actions();
+                        for (int i = 0; i < actionList.count(); i++) {
+                            if (actionList.at(i)->isVisible())
+                                visibleButtons++;
+                        }
+                    }
+
+                    if (widget->parentWidget() && visibleButtons > 0) {
+                        QWidget *w = const_cast<QWidget *>(widget);
+                        int toolBarMaxWidth = 0;
+                        int totalMargin = 0;
+                        while (w) {
+                            //honor fixed width parents
+                            if (w->maximumWidth() == w->minimumWidth())
+                                toolBarMaxWidth = qMax(toolBarMaxWidth, w->maximumWidth());
+                            if (w->layout() && w->windowType() == Qt::Widget) {
+                                totalMargin += w->layout()->contentsMargins().left() +
+                                               w->layout()->contentsMargins().right();
+                            }
+                            w = w->parentWidget();
+                        }
+                        totalMargin += 2 * pixelMetric(QStyle::PM_ToolBarFrameWidth);
+
+                        if (toolBarMaxWidth == 0)
+                            toolBarMaxWidth =
+                                QApplication::desktop()->availableGeometry(widget->parentWidget()).width();
+                        //Reduce the margins, toolbar frame, item spacing and internal margin from available area
+                        toolBarMaxWidth -= totalMargin;
+
+                        //ensure that buttons are side-by-side and not on top of each other
+                        const int toolButtonWidth = (toolBarMaxWidth / visibleButtons)
+                                - pixelMetric(QStyle::PM_ToolBarItemSpacing)
+                                - pixelMetric(QStyle::PM_ToolBarItemMargin)
+                        //toolbar frame needs to be reduced again, since QToolBarLayout adds it for each toolbar action
+                                - 2 * pixelMetric(QStyle::PM_ToolBarFrameWidth) - 1;
+                        sz.setWidth(qMax(toolButtonWidth, sz.width()));
+                    }
+                }
+            }
             break;
         case CT_PushButton:
             sz = QCommonStyle::sizeFromContents( ct, opt, csz, widget);
diff --git a/src/gui/text/qfontengine_x11.cpp b/src/gui/text/qfontengine_x11.cpp
index b7e4be2..c06be3b 100644
--- a/src/gui/text/qfontengine_x11.cpp
+++ b/src/gui/text/qfontengine_x11.cpp
@@ -429,7 +429,7 @@ void QFontEngineXLFD::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFl
 {
     int i = glyphs->numGlyphs;
     XCharStruct *xcs;
-    // inlined for better perfomance
+    // inlined for better performance
     if (!_fs->per_char) {
         xcs = &_fs->min_bounds;
         while (i != 0) {
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index aea203f..430575b 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -3543,8 +3543,8 @@ void QVGPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
 
     // Set the glyph drawing origin.
     VGfloat origin[2];
-    origin[0] = positions[0].x.toReal();
-    origin[1] = positions[0].y.toReal();
+    origin[0] = positions[0].x.round().toReal();
+    origin[1] = positions[0].y.round().toReal();
     vgSetfv(VG_GLYPH_ORIGIN, 2, origin);
 
     // Fast anti-aliasing for paths, better for images.
diff --git a/src/plugins/s60/feedback/feedback.pro b/src/plugins/s60/feedback/feedback.pro
index 1069220..5e577ec 100644
--- a/src/plugins/s60/feedback/feedback.pro
+++ b/src/plugins/s60/feedback/feedback.pro
@@ -6,7 +6,7 @@ QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/s60/feedback
 
 INCLUDEPATH += $$APP_LAYER_SYSTEMINCLUDE
 
-contains(S60_VERSION, 5.0)|contains(S60_VERSION, symbian3) {
+!contains(S60_VERSION, 3.1):!contains(S60_VERSION, 3.2) {
     HEADERS += qtactileFeedback.h
     SOURCES += qtactileFeedback_s60.cpp
 
diff --git a/src/plugins/s60/s60.pro b/src/plugins/s60/s60.pro
index ffcd170..1ddf326 100644
--- a/src/plugins/s60/s60.pro
+++ b/src/plugins/s60/s60.pro
@@ -6,7 +6,7 @@ symbian {
         SUBDIRS += 3_1 3_2
     }
 
-    contains(S60_VERSION, 5.0)|contains(S60_VERSION, symbian3) {
+    !contains(S60_VERSION, 3.1):!contains(S60_VERSION, 3.2) {
         SUBDIRS += feedback
     }
 
diff --git a/src/qbase.pri b/src/qbase.pri
index 4217618..8460b9c 100644
--- a/src/qbase.pri
+++ b/src/qbase.pri
@@ -36,7 +36,7 @@ CONFIG		+= qt warn_on depend_includepath
 CONFIG          += qmake_cache target_qt 
 CONFIG          -= fix_output_dirs
 win32|mac:!macx-xcode:CONFIG += debug_and_release
-linux*-g++*:QMAKE_LFLAGS += $$QMAKE_LFLAGS_NOUNDEF
+linux*:QMAKE_LFLAGS += $$QMAKE_LFLAGS_NOUNDEF
 
 contains(QT_CONFIG, reduce_exports):CONFIG += hide_symbols
 unix:contains(QT_CONFIG, reduce_relocations):CONFIG += bsymbolic_functions
diff --git a/src/s60installs/bwins/QtGuiu.def b/src/s60installs/bwins/QtGuiu.def
index dc8a865..6a33fc3 100644
--- a/src/s60installs/bwins/QtGuiu.def
+++ b/src/s60installs/bwins/QtGuiu.def
@@ -12852,7 +12852,7 @@ EXPORTS
 	?drawStaticText@QPainter@@QAEXABVQPointF@@ABVQStaticText@@@Z @ 12851 NONAME ; void QPainter::drawStaticText(class QPointF const &, class QStaticText const &)
 	?updateAll@QGraphicsViewPrivate@@QAEXXZ @ 12852 NONAME ; void QGraphicsViewPrivate::updateAll(void)
 	?updateMicroFocus@QGraphicsItem@@IAEXXZ @ 12853 NONAME ; void QGraphicsItem::updateMicroFocus(void)
-	?populate@QTextureGlyphCache@@QAEXPAVQFontEngine@@HPBIPBUQFixedPoint@@@Z @ 12854 NONAME ; void QTextureGlyphCache::populate(class QFontEngine *, int, unsigned int const *, struct QFixedPoint const *)
+	?populate@QTextureGlyphCache@@QAEXPAVQFontEngine@@HPBIPBUQFixedPoint@@@Z @ 12854 NONAME ABSENT ; void QTextureGlyphCache::populate(class QFontEngine *, int, unsigned int const *, struct QFixedPoint const *)
 	?hasPartialUpdateSupport@QWindowSurface@@QBE_NXZ @ 12855 NONAME ; bool QWindowSurface::hasPartialUpdateSupport(void) const
 	?scroll@QRuntimePixmapData@@UAE_NHHABVQRect@@@Z @ 12856 NONAME ; bool QRuntimePixmapData::scroll(int, int, class QRect const &)
 	?qt_draw_glyphs@@YAXPAVQPainter@@PBIPBVQPointF@@H@Z @ 12857 NONAME ; void qt_draw_glyphs(class QPainter *, unsigned int const *, class QPointF const *, int)
@@ -12904,4 +12904,5 @@ EXPORTS
 	?fontEngine@QStaticTextItem@@QBEPAVQFontEngine@@XZ @ 12903 NONAME ; class QFontEngine * QStaticTextItem::fontEngine(void) const
 	?reactivateDeferredActiveObjects@QEventDispatcherS60@@UAEXXZ @ 12904 NONAME ; void QEventDispatcherS60::reactivateDeferredActiveObjects(void)
 	?userData@QStaticTextItem@@QBEPAVQStaticTextUserData@@XZ @ 12905 NONAME ; class QStaticTextUserData * QStaticTextItem::userData(void) const
+	?populate@QTextureGlyphCache@@QAE_NPAVQFontEngine@@HPBIPBUQFixedPoint@@@Z @ 12906 NONAME ; bool QTextureGlyphCache::populate(class QFontEngine *, int, unsigned int const *, struct QFixedPoint const *)
 
diff --git a/src/s60installs/s60installs.pro b/src/s60installs/s60installs.pro
index 65b8781..7827fb6 100644
--- a/src/s60installs/s60installs.pro
+++ b/src/s60installs/s60installs.pro
@@ -87,7 +87,7 @@ symbian: {
         DEPLOYMENT += bearer_plugin
     }
 
-    contains(S60_VERSION, 5.0)|contains(S60_VERSION, symbian3) {
+    !contains(S60_VERSION, 3.1):!contains(S60_VERSION, 3.2) {
         feedback_plugin.sources = $$QT_BUILD_TREE/plugins/s60/feedback/qtactilefeedback$${QT_LIBINFIX}.dll
         feedback_plugin.path = c:$$QT_PLUGINS_BASE_DIR/feedback
         DEPLOYMENT += feedback_plugin