Merge remote branch 'origin/4.6' into qt-4.7-from-4.6

Conflicts:
	bin/syncqt
	src/3rdparty/webkit/VERSION
	src/3rdparty/webkit/WebCore/ChangeLog
	src/3rdparty/webkit/WebCore/bridge/qt/qt_instance.cpp
	src/3rdparty/webkit/WebCore/bridge/qt/qt_runtime.h
	src/3rdparty/webkit/WebCore/page/FrameView.cpp
	src/3rdparty/webkit/WebCore/page/FrameView.h
	src/3rdparty/webkit/WebCore/platform/ScrollView.cpp
	src/3rdparty/webkit/WebCore/platform/ScrollView.h
	src/corelib/plugin/quuid.cpp
	src/gui/dialogs/qfontdialog.cpp
	src/multimedia/audio/qaudiodevicefactory.cpp
	src/opengl/qgl.cpp
	src/openvg/qpaintengine_vg.cpp
	tests/auto/qxmlquery/tst_qxmlquery.cpp

24 files changed, 316 insertions, 129 deletions

diff --git a/src/corelib/concurrent/qtconcurrentmap.cpp b/src/corelib/concurrent/qtconcurrentmap.cpp
index 39a13fb..e74d69c 100644
--- a/src/corelib/concurrent/qtconcurrentmap.cpp
+++ b/src/corelib/concurrent/qtconcurrentmap.cpp
@@ -70,7 +70,7 @@
     \value UnorderedReduce Reduction is done in an arbitrary order.
     \value OrderedReduce Reduction is done in the order of the
     original sequence.
-    \value SequentialReduce Reduction is done sequentally: only one
+    \value SequentialReduce Reduction is done sequentially: only one
     thread will enter the reduce function at a time. (Parallel reduction
     might be supported in a future version of Qt Concurrent.)
 */
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 75a51ec..c956b85 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2606,55 +2606,6 @@ void qsrand(uint seed)
 #endif
 }
 
-/*! \internal
-    \relates <QtGlobal>
-    \since 4.6
-
-    Seed the PRNG, but only if it has not already been seeded.
-
-    The default seed is a combination of current time, a stack address and a
-    serial counter (since thread stack addresses are re-used).
-*/
-void qsrand()
-{
-#if (defined(Q_OS_UNIX) || defined(Q_OS_WIN)) && !defined(QT_NO_THREAD)
-    SeedStorage *seedStorage = randTLS();
-    if (seedStorage) {
-        SeedStorageType *pseed = seedStorage->localData();
-        if (pseed) {
-            // already seeded
-            return;
-        }
-        seedStorage->setLocalData(pseed = new SeedStorageType);
-        // start beyond 1 to avoid the sequence reset
-        static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(2);
-        *pseed = QDateTime::currentDateTime().toTime_t()
-                 + quintptr(&pseed)
-                 + serial.fetchAndAddRelaxed(1);
-#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
-        // for Windows and Symbian the srand function must still be called.
-        srand(*pseed);
-#endif
-    }
-
-//QT_NO_THREAD implementations
-#else
-    static unsigned int seed = 0;
-
-    if (seed)
-        return;
-
-#if defined(Q_OS_SYMBIAN)
-    seed = Math::Random();
-#elif defined(Q_OS_WIN)
-    seed = GetTickCount();
-#else
-    seed = quintptr(&seed) + QDateTime::currentDateTime().toTime_t();
-#endif
-    srand(seed);
-#endif // defined(Q_OS_UNIX) || defined(Q_OS_WIN)) && !defined(QT_NO_THREAD)
-}
-
 /*!
     \relates <QtGlobal>
     \since 4.2
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index 9464a97..d83f7ee 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -1023,7 +1023,7 @@ QString QFSFileEngine::fileName(FileName file) const
 #if !defined(QWS) && defined(Q_OS_MAC)
         QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0, QCFString(d->filePath),
                                                               kCFURLPOSIXPathStyle, true);
-        if (CFDictionaryRef dict = CFBundleCopyInfoDictionaryForURL(url)) {
+        if (QCFType<CFDictionaryRef> dict = CFBundleCopyInfoDictionaryForURL(url)) {
             if (CFTypeRef name = (CFTypeRef)CFDictionaryGetValue(dict, kCFBundleNameKey)) {
                 if (CFGetTypeID(name) == CFStringGetTypeID())
                     return QCFString::toQString((CFStringRef)name);
@@ -1141,7 +1141,7 @@ QString QFSFileEngine::fileName(FileName file) const
                 if (FSResolveAliasFile(&fref, true, &isFolder, &isAlias) == noErr && isAlias) {
                     AliasHandle alias;
                     if (FSNewAlias(0, &fref, &alias) == noErr && alias) {
-                        CFStringRef cfstr;
+                        QCFString cfstr;
                         if (FSCopyAliasInfo(alias, 0, 0, &cfstr, 0, 0) == noErr)
                             return QCFString::toQString(cfstr);
                     }
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp
index 9332bbc..6c1b6e7 100644
--- a/src/corelib/plugin/quuid.cpp
+++ b/src/corelib/plugin/quuid.cpp
@@ -578,11 +578,10 @@ QUuid QUuid::createUuid()
 QT_BEGIN_INCLUDE_NAMESPACE
 #include "qdatetime.h"
 #include "qfile.h"
-#include "stdlib.h" // For srand/rand
+#include "qthreadstorage.h"
+#include <stdlib.h> // for RAND_MAX
 QT_END_INCLUDE_NAMESPACE
 
-extern void qsrand(); // in qglobal.cpp
-
 QUuid QUuid::createUuid()
 {
     QUuid result;
@@ -600,12 +599,32 @@ QUuid QUuid::createUuid()
         static const int intbits = sizeof(int)*8;
         static int randbits = 0;
         if (!randbits) {
+        int r = 0;
             int max = RAND_MAX;
-            do { ++randbits; } while ((max=max>>1));
+            do { ++r; } while ((max=max>>1));
+            randbits = r;
         }
 
-        // reseed, but only if not already seeded
-        qsrand();
+    // Seed the PRNG once per thread with a combination of current time, a
+    // stack address and a serial counter (since thread stack addresses are
+    // re-used).
+#ifndef QT_BOOTSTRAPPED
+    static QThreadStorage<int *> uuidseed;
+    if (!uuidseed.hasLocalData())
+    {
+        int *pseed = new int;
+        static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(2);
+        qsrand(*pseed = QDateTime::currentDateTime().toTime_t()
+                        + quintptr(&pseed)
+                        + serial.fetchAndAddRelaxed(1));
+        uuidseed.setLocalData(pseed);
+    }
+#else
+    static bool seeded = false;
+    if (!seeded)
+        qsrand(QDateTime::currentDateTime().toTime_t()
+               + quintptr(&seeded));
+#endif
 
         int chunks = 16 / sizeof(uint);
         while (chunks--) {
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 550ff58..4cce339 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -324,12 +324,17 @@ namespace QtSharedPointer {
         typedef ExternalRefCountData Data;
 
         inline void ref() const { d->weakref.ref(); d->strongref.ref(); }
-        inline bool deref()
+        inline void deref()
+        { deref(d, this->value); }
+        static inline void deref(Data *d, T *value)
         {
+            if (!d) return;
             if (!d->strongref.deref()) {
-                internalDestroy();
+                if (!d->destroy())
+                    delete value;
             }
-            return d->weakref.deref();
+            if (!d->weakref.deref())
+                delete d;
         }
 
         inline void internalConstruct(T *ptr)
@@ -378,7 +383,7 @@ namespace QtSharedPointer {
         template <class X>
         inline ExternalRefCount(const ExternalRefCount<X> &other) : Basic<T>(other.value), d(other.d)
         { if (d) ref(); }
-        inline ~ExternalRefCount() { if (d && !deref()) delete d; }
+        inline ~ExternalRefCount() { deref(); }
 
         template <class X>
         inline void internalCopy(const ExternalRefCount<X> &other)
@@ -386,12 +391,6 @@ namespace QtSharedPointer {
             internalSet(other.d, other.data());
         }
 
-        inline void internalDestroy()
-        {
-            if (!d->destroy())
-                delete this->value;
-        }
-
         inline void internalSwap(ExternalRefCount &other)
         {
             qSwap(d, other.d);
@@ -424,10 +423,14 @@ namespace QtSharedPointer {
                 else
                     o = 0;
             }
-            if (d && !deref())
-                delete d;
-            d = o;
-            this->value = d && d->strongref ? actual : 0;
+
+            qSwap(d, o);
+            qSwap(this->value, actual);
+            if (!d || d->strongref == 0)
+                this->value = 0;
+
+            // dereference saved data
+            deref(o, actual);
         }
 
         Data *d;
diff --git a/src/gui/dialogs/qfontdialog.cpp b/src/gui/dialogs/qfontdialog.cpp
index b159fa7..5859e63 100644
--- a/src/gui/dialogs/qfontdialog.cpp
+++ b/src/gui/dialogs/qfontdialog.cpp
@@ -334,6 +334,7 @@ void QFontDialogPrivate::init()
 
     familyList->setFocus();
     retranslateStrings();
+    nativeDialogInUse = false;
 }
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index fe2a84e..abe4e25 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -1269,8 +1269,14 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q
 
     Returns the bounding rect of this item's children (excluding itself).
 */
-void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rect)
+void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rect, bool doClip)
 {
+    Q_Q(QGraphicsItem);
+
+    QRectF childrenRect;
+    QRectF *result = rect;
+    rect = &childrenRect;
+
     for (int i = 0; i < children.size(); ++i) {
         QGraphicsItem *child = children.at(i);
         QGraphicsItemPrivate *childd = child->d_ptr.data();
@@ -1292,6 +1298,15 @@ void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rec
                 childd->childrenBoundingRectHelper(x, rect);
         }
     }
+
+    if (doClip && (flags & QGraphicsItem::ItemClipsChildrenToShape)){
+        if (x)
+            *rect &= x->mapRect(q->boundingRect());
+        else
+            *rect &= q->boundingRect();
+    }
+
+    *result |= *rect;
 }
 
 void QGraphicsItemPrivate::initStyleOption(QStyleOptionGraphicsItem *option, const QTransform &worldTransform,
@@ -11110,8 +11125,14 @@ QRectF QGraphicsItemEffectSourcePrivate::boundingRect(Qt::CoordinateSystem syste
     }
 
     QRectF rect = item->boundingRect();
-    if (!item->d_ptr->children.isEmpty())
-        rect |= item->childrenBoundingRect();
+    if (!item->d_ptr->children.isEmpty()) {
+        if (dirtyChildrenBoundingRect) {
+            childrenBoundingRect = QRectF();
+            item->d_ptr->childrenBoundingRectHelper(0, &childrenBoundingRect, true);
+            dirtyChildrenBoundingRect = false;
+        }
+        rect |= childrenBoundingRect;
+    }
 
     if (deviceCoordinates) {
         Q_ASSERT(info->painter);
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index f9f5d3d..5b9a710 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -300,7 +300,7 @@ public:
     QDeclarativeListProperty<QGraphicsObject> childrenList();
     void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant,
                              const QVariant *thisPointerVariant);
-    void childrenBoundingRectHelper(QTransform *x, QRectF *rect);
+    void childrenBoundingRectHelper(QTransform *x, QRectF *rect, bool doClip = true);
     void initStyleOption(QStyleOptionGraphicsItem *option, const QTransform &worldTransform,
                          const QRegion &exposedRegion, bool allItems = false) const;
     QRectF effectiveBoundingRect() const;
@@ -659,7 +659,7 @@ class QGraphicsItemEffectSourcePrivate : public QGraphicsEffectSourcePrivate
 {
 public:
     QGraphicsItemEffectSourcePrivate(QGraphicsItem *i)
-        : QGraphicsEffectSourcePrivate(), item(i), info(0)
+        : QGraphicsEffectSourcePrivate(), dirtyChildrenBoundingRect(true), item(i), info(0)
     {}
 
     inline void detach()
@@ -710,6 +710,9 @@ public:
                    QGraphicsEffect::PixmapPadMode mode) const;
     QRect paddedEffectRect(Qt::CoordinateSystem system, QGraphicsEffect::PixmapPadMode mode, const QRectF &sourceRect, bool *unpadded = 0) const;
 
+    mutable bool dirtyChildrenBoundingRect;
+    mutable QRectF childrenBoundingRect;
+
     QGraphicsItem *item;
     QGraphicsItemPaintInfo *info;
     QTransform lastEffectTransform;
@@ -867,9 +870,12 @@ inline void QGraphicsItemPrivate::markParentDirty(bool updateBoundingRect)
 #ifndef QT_NO_GRAPHICSEFFECT
         if (parentp->graphicsEffect) {
             if (updateBoundingRect) {
+                QGraphicsItemEffectSourcePrivate *sourcep =
+                    static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func()
+                                                                    ->source->d_func());
+                parentp->dirtyChildrenBoundingRect = 1;
                 parentp->notifyInvalidated = 1;
-                static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func()
-                                                                ->source->d_func())->invalidateCache();
+                sourcep->invalidateCache();
             }
             if (parentp->scene && parentp->graphicsEffect->isEnabled()) {
                 parentp->dirty = 1;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 4cdc4ad..394d374 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -297,6 +297,10 @@ void QCoeFepInputContext::commitTemporaryPreeditString()
         return;
 
     commitCurrentString(false);
+
+    //update cursor position, now this pre-edit text has been committed.
+    //this prevents next keypress overwriting it (QTBUG-11673)
+    m_cursorPos = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
 }
 
 void QCoeFepInputContext::mouseHandler( int x, QMouseEvent *event)
diff --git a/src/gui/text/qtexttable.cpp b/src/gui/text/qtexttable.cpp
index 5100176..ada18c8 100644
--- a/src/gui/text/qtexttable.cpp
+++ b/src/gui/text/qtexttable.cpp
@@ -915,12 +915,13 @@ void QTextTable::removeColumns(int pos, int num)
     for (int r = 0; r < d->nRows; ++r) {
         for (int c = pos; c < pos + num; ++c) {
             int cell = d->grid[r*d->nCols + c];
-            if (touchedCells.contains(cell))
-                continue;
-            touchedCells << cell;
             QTextDocumentPrivate::FragmentIterator it(&p->fragmentMap(), cell);
             QTextCharFormat fmt = collection->charFormat(it->format);
             int span = fmt.tableCellColumnSpan();
+            if (touchedCells.contains(cell) && span <= 1)
+                continue;
+            touchedCells << cell;
+
             if (span > 1) {
                 fmt.setTableCellColumnSpan(span - 1);
                 p->setCharFormat(it.position(), 1, fmt);
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 1bffde1..d7311ef 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -1663,8 +1663,11 @@ void QLineEdit::keyPressEvent(QKeyEvent *event)
     }
 #endif
     d->control->processKeyEvent(event);
-    if (event->isAccepted())
+    if (event->isAccepted()) {
+        if (layoutDirection() != d->control->layoutDirection())
+            setLayoutDirection(d->control->layoutDirection());
         d->control->setCursorBlinkPeriod(0);
+    }
 }
 
 /*!
diff --git a/src/multimedia/audio/qaudiodevicefactory.cpp b/src/multimedia/audio/qaudiodevicefactory.cpp
index 96545b4..736630e 100644
--- a/src/multimedia/audio/qaudiodevicefactory.cpp
+++ b/src/multimedia/audio/qaudiodevicefactory.cpp
@@ -67,7 +67,8 @@
 
 QT_BEGIN_NAMESPACE
 
-#ifndef QT_NO_LIBRARY
+
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
 Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
         (QAudioEngineFactoryInterface_iid, QLatin1String("/audio"), Qt::CaseInsensitive))
 #endif
@@ -138,8 +139,7 @@ QList<QAudioDeviceInfo> QAudioDeviceFactory::availableDevices(QAudio::Mode mode)
         devices << QAudioDeviceInfo(QLatin1String("builtin"), handle, mode);
 #endif
 #endif
-
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QFactoryLoader* l = loader();
 
     foreach (QString const& key, l->keys()) {
@@ -152,13 +152,12 @@ QList<QAudioDeviceInfo> QAudioDeviceFactory::availableDevices(QAudio::Mode mode)
         delete plugin;
     }
 #endif
-
     return devices;
 }
 
 QAudioDeviceInfo QAudioDeviceFactory::defaultInputDevice()
 {
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default")));
 
     if (plugin) {
@@ -178,7 +177,7 @@ QAudioDeviceInfo QAudioDeviceFactory::defaultInputDevice()
 
 QAudioDeviceInfo QAudioDeviceFactory::defaultOutputDevice()
 {
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default")));
 
     if (plugin) {
@@ -206,15 +205,13 @@ QAbstractAudioDeviceInfo* QAudioDeviceFactory::audioDeviceInfo(const QString &re
         return new QAudioDeviceInfoInternal(handle, mode);
 #endif
 #endif
-
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QAudioEngineFactoryInterface* plugin =
         qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(realm));
 
     if (plugin)
         rc = plugin->createDeviceInfo(handle, mode);
 #endif
-
     return rc == 0 ? new QNullDeviceInfo() : rc;
 }
 
@@ -238,14 +235,13 @@ QAbstractAudioInput* QAudioDeviceFactory::createInputDevice(QAudioDeviceInfo con
         return new QAudioInputPrivate(deviceInfo.handle(), format);
 #endif
 #endif
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QAudioEngineFactoryInterface* plugin =
         qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(deviceInfo.realm()));
 
     if (plugin)
         return plugin->createInput(deviceInfo.handle(), format);
 #endif
-
     return new QNullInputDevice();
 }
 
@@ -259,15 +255,13 @@ QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceInfo c
         return new QAudioOutputPrivate(deviceInfo.handle(), format);
 #endif
 #endif
-
-#ifndef QT_NO_LIBRARY
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
     QAudioEngineFactoryInterface* plugin =
         qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(deviceInfo.realm()));
 
     if (plugin)
         return plugin->createOutput(deviceInfo.handle(), format);
 #endif
-
     return new QNullOutputDevice();
 }
 
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
index 36270a7..f663dd2 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
@@ -62,6 +62,8 @@ QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode
 
     device = QLatin1String(dev);
     this->mode = mode;
+
+    checkSurround();
 }
 
 QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()
@@ -389,6 +391,9 @@ void QAudioDeviceInfoInternal::updateLists()
     }
     channelz.append(1);
     channelz.append(2);
+    if (surround40) channelz.append(4);
+    if (surround51) channelz.append(6);
+    if (surround71) channelz.append(8);
     sizez.append(8);
     sizez.append(16);
     sizez.append(32);
@@ -483,4 +488,45 @@ QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
     return devices.first();
 }
 
+void QAudioDeviceInfoInternal::checkSurround()
+{
+    QList<QByteArray> devices;
+    surround40 = false;
+    surround51 = false;
+    surround71 = false;
+
+    void **hints, **n;
+    char *name, *descr, *io;
+
+    if(snd_device_name_hint(-1, "pcm", &hints) < 0)
+        return;
+
+    n = hints;
+
+    while (*n != NULL) {
+        name = snd_device_name_get_hint(*n, "NAME");
+        descr = snd_device_name_get_hint(*n, "DESC");
+        io = snd_device_name_get_hint(*n, "IOID");
+        if((name != NULL) && (descr != NULL)) {
+            QString deviceName = QLatin1String(name);
+            if (mode == QAudio::AudioOutput) {
+                if(deviceName.contains(QLatin1String("surround40")))
+                    surround40 = true;
+                if(deviceName.contains(QLatin1String("surround51")))
+                    surround51 = true;
+                if(deviceName.contains(QLatin1String("surround71")))
+                    surround71 = true;
+            }
+        }
+        if(name != NULL)
+            free(name);
+        if(descr != NULL)
+            free(descr);
+        if(io != NULL)
+            free(io);
+        ++n;
+    }
+    snd_device_name_free_hint(hints);
+}
+
 QT_END_NAMESPACE
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h
index 6f9a459..8525980 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h
@@ -98,6 +98,11 @@ private:
     bool open();
     void close();
 
+    void checkSurround();
+    bool surround40;
+    bool surround51;
+    bool surround71;
+
     QString device;
     QAudio::Mode mode;
     QAudioFormat nearest;
diff --git a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
index aee0807..9e8b1bf 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
@@ -374,6 +374,11 @@ void QAudioDeviceInfoInternal::updateLists()
 #endif
 	channelz.append(1);
 	channelz.append(2);
+        if (mode == QAudio::AudioOutput) {
+            channelz.append(4);
+            channelz.append(6);
+            channelz.append(8);
+        }
 
 	byteOrderz.append(QAudioFormat::LittleEndian);
 
diff --git a/src/multimedia/audio/qaudioinput_alsa_p.cpp b/src/multimedia/audio/qaudioinput_alsa_p.cpp
index c9a8b71..58669b3 100644
--- a/src/multimedia/audio/qaudioinput_alsa_p.cpp
+++ b/src/multimedia/audio/qaudioinput_alsa_p.cpp
@@ -120,7 +120,7 @@ int QAudioInputPrivate::xrun_recovery(int err)
         if(err < 0)
             reset = true;
         else {
-            bytesAvailable = bytesReady();
+            bytesAvailable = checkBytesReady();
             if (bytesAvailable <= 0)
                 reset = true;
         }
@@ -408,7 +408,7 @@ bool QAudioInputPrivate::open()
     snd_pcm_start(handle);
 
     // Step 5: Setup timer
-    bytesAvailable = bytesReady();
+    bytesAvailable = checkBytesReady();
 
     if(pullMode)
         connect(audioSource,SIGNAL(readyRead()),this,SLOT(userFeed()));
@@ -437,19 +437,29 @@ void QAudioInputPrivate::close()
     }
 }
 
-int QAudioInputPrivate::bytesReady() const
+int QAudioInputPrivate::checkBytesReady()
 {
     if(resuming)
-        return period_size;
-
-    if(deviceState != QAudio::ActiveState && deviceState != QAudio::IdleState)
-        return 0;
-    int frames = snd_pcm_avail_update(handle);
-    if (frames < 0) return frames;
-    if((int)frames > (int)buffer_frames)
-        frames = buffer_frames;
+        bytesAvailable = period_size;
+    else if(deviceState != QAudio::ActiveState
+            && deviceState != QAudio::IdleState)
+        bytesAvailable = 0;
+    else {
+        int frames = snd_pcm_avail_update(handle);
+        if (frames < 0) {
+            bytesAvailable = frames;
+        } else {
+            if((int)frames > (int)buffer_frames)
+                frames = buffer_frames;
+            bytesAvailable = snd_pcm_frames_to_bytes(handle, frames);
+        }
+    }
+    return bytesAvailable;
+}
 
-    return snd_pcm_frames_to_bytes(handle, frames);
+int QAudioInputPrivate::bytesReady() const
+{
+    return qMax(bytesAvailable, 0);
 }
 
 qint64 QAudioInputPrivate::read(char* data, qint64 len)
@@ -460,12 +470,12 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
     if ( !handle )
         return 0;
 
-    bytesAvailable = bytesReady();
+    bytesAvailable = checkBytesReady();
 
     if (bytesAvailable < 0) {
         // bytesAvailable as negative is error code, try to recover from it.
         xrun_recovery(bytesAvailable);
-        bytesAvailable = bytesReady();
+        bytesAvailable = checkBytesReady();
         if (bytesAvailable < 0) {
             // recovery failed must stop and set error.
             close();
@@ -639,11 +649,25 @@ bool QAudioInputPrivate::deviceReady()
         InputPrivate* a = qobject_cast<InputPrivate*>(audioSource);
         a->trigger();
     }
-    bytesAvailable = bytesReady();
+    bytesAvailable = checkBytesReady();
 
     if(deviceState != QAudio::ActiveState)
         return true;
 
+    if (bytesAvailable < 0) {
+        // bytesAvailable as negative is error code, try to recover from it.
+        xrun_recovery(bytesAvailable);
+        bytesAvailable = checkBytesReady();
+        if (bytesAvailable < 0) {
+            // recovery failed must stop and set error.
+            close();
+            errorState = QAudio::IOError;
+            deviceState = QAudio::StoppedState;
+            emit stateChanged(deviceState);
+            return 0;
+        }
+    }
+
     if(intervalTime && (timeStamp.elapsed() + elapsedTimeOffset) > intervalTime) {
         emit notify();
         elapsedTimeOffset = timeStamp.elapsed() + elapsedTimeOffset - intervalTime;
diff --git a/src/multimedia/audio/qaudioinput_alsa_p.h b/src/multimedia/audio/qaudioinput_alsa_p.h
index c907019..52975a6 100644
--- a/src/multimedia/audio/qaudioinput_alsa_p.h
+++ b/src/multimedia/audio/qaudioinput_alsa_p.h
@@ -110,6 +110,7 @@ private slots:
     bool deviceReady();
 
 private:
+    int checkBytesReady();
     int xrun_recovery(int err);
     int setFormat();
     bool open();
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index 14a1cf3..ece1c26 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -148,7 +148,7 @@ void QAudioInputPrivate::freeBlocks(WAVEHDR* blockArray)
 
     for(int i = 0; i < count; i++) {
         waveInUnprepareHeader(hWaveIn,blocks, sizeof(WAVEHDR));
-        blocks+=sizeof(WAVEHDR);
+        blocks++;
     }
     HeapFree(GetProcessHeap(), 0, blockArray);
 }
diff --git a/src/multimedia/audio/qaudiooutput_win32_p.cpp b/src/multimedia/audio/qaudiooutput_win32_p.cpp
index a8aeb41..99bada2 100644
--- a/src/multimedia/audio/qaudiooutput_win32_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_win32_p.cpp
@@ -52,6 +52,53 @@
 
 #include "qaudiooutput_win32_p.h"
 
+#ifndef SPEAKER_FRONT_LEFT
+    #define SPEAKER_FRONT_LEFT            0x00000001
+    #define SPEAKER_FRONT_RIGHT           0x00000002
+    #define SPEAKER_FRONT_CENTER          0x00000004
+    #define SPEAKER_LOW_FREQUENCY         0x00000008
+    #define SPEAKER_BACK_LEFT             0x00000010
+    #define SPEAKER_BACK_RIGHT            0x00000020
+    #define SPEAKER_FRONT_LEFT_OF_CENTER  0x00000040
+    #define SPEAKER_FRONT_RIGHT_OF_CENTER 0x00000080
+    #define SPEAKER_BACK_CENTER           0x00000100
+    #define SPEAKER_SIDE_LEFT             0x00000200
+    #define SPEAKER_SIDE_RIGHT            0x00000400
+    #define SPEAKER_TOP_CENTER            0x00000800
+    #define SPEAKER_TOP_FRONT_LEFT        0x00001000
+    #define SPEAKER_TOP_FRONT_CENTER      0x00002000
+    #define SPEAKER_TOP_FRONT_RIGHT       0x00004000
+    #define SPEAKER_TOP_BACK_LEFT         0x00008000
+    #define SPEAKER_TOP_BACK_CENTER       0x00010000
+    #define SPEAKER_TOP_BACK_RIGHT        0x00020000
+    #define SPEAKER_RESERVED              0x7FFC0000
+    #define SPEAKER_ALL                   0x80000000
+#endif
+
+#ifndef _WAVEFORMATEXTENSIBLE_
+
+    #define _WAVEFORMATEXTENSIBLE_
+    typedef struct
+    {
+        WAVEFORMATEX Format;          // Base WAVEFORMATEX data
+        union
+        {
+            WORD wValidBitsPerSample; // Valid bits in each sample container
+            WORD wSamplesPerBlock;    // Samples per block of audio data; valid
+                                      // if wBitsPerSample=0 (but rarely used).
+            WORD wReserved;           // Zero if neither case above applies.
+        } Samples;
+        DWORD dwChannelMask;          // Positions of the audio channels
+        GUID SubFormat;               // Format identifier GUID
+    } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE, *LPPWAVEFORMATEXTENSIBLE;
+    typedef const WAVEFORMATEXTENSIBLE* LPCWAVEFORMATEXTENSIBLE;
+
+#endif
+
+#if !defined(WAVE_FORMAT_EXTENSIBLE)
+#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
+#endif
+
 //#define DEBUG_AUDIO 1
 
 QT_BEGIN_NAMESPACE
@@ -146,7 +193,7 @@ void QAudioOutputPrivate::freeBlocks(WAVEHDR* blockArray)
 
     for(int i = 0; i < count; i++) {
         waveOutUnprepareHeader(hWaveOut,blocks, sizeof(WAVEHDR));
-        blocks+=sizeof(WAVEHDR);
+        blocks++;
     }
     HeapFree(GetProcessHeap(), 0, blockArray);
 }
@@ -258,15 +305,49 @@ bool QAudioOutputPrivate::open()
 	}
     }
 
-    if(waveOutOpen(&hWaveOut, devId, &wfx,
-                (DWORD_PTR)&waveOutProc,
-                (DWORD_PTR) this,
-                CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
-        errorState = QAudio::OpenError;
-        deviceState = QAudio::StoppedState;
-        emit stateChanged(deviceState);
-        qWarning("QAudioOutput: open error");
-        return false;
+    if ( settings.channels() <= 2) {
+        if(waveOutOpen(&hWaveOut, devId, &wfx,
+                    (DWORD_PTR)&waveOutProc,
+                    (DWORD_PTR) this,
+                    CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
+            errorState = QAudio::OpenError;
+            deviceState = QAudio::StoppedState;
+            emit stateChanged(deviceState);
+            qWarning("QAudioOutput: open error");
+            return false;
+        }
+    } else {
+        WAVEFORMATEXTENSIBLE wfex;
+        wfex.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+        wfex.Format.nChannels = settings.channels();
+        wfex.Format.wBitsPerSample = settings.sampleSize();
+        wfex.Format.nSamplesPerSec = settings.frequency();
+        wfex.Format.nBlockAlign = wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
+        wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*wfex.Format.nBlockAlign;
+        wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
+        static const GUID _KSDATAFORMAT_SUBTYPE_PCM = {
+             0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+        wfex.SubFormat=_KSDATAFORMAT_SUBTYPE_PCM;
+        wfex.Format.cbSize=22;
+
+        wfex.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
+        if (settings.channels() >= 4)
+            wfex.dwChannelMask |= SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
+        if (settings.channels() >= 6)
+            wfex.dwChannelMask |= SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY;
+        if (settings.channels() == 8)
+            wfex.dwChannelMask |= SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT;
+
+        if(waveOutOpen(&hWaveOut, devId, &wfex.Format,
+                    (DWORD_PTR)&waveOutProc,
+                    (DWORD_PTR) this,
+                    CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
+            errorState = QAudio::OpenError;
+            deviceState = QAudio::StoppedState;
+            emit stateChanged(deviceState);
+            qWarning("QAudioOutput: open error");
+            return false;
+        }
     }
 
     totalTimeValue = 0;
diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 1d794ae..770c168 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -970,8 +970,20 @@ void QSslSocketBackendPrivate::transmit()
 #endif
                 plainSocket->disconnectFromHost();
                 break;
+            case SSL_ERROR_SYSCALL: // some IO error
+            case SSL_ERROR_SSL: // error in the SSL library
+                // we do not know exactly what the error is, nor whether we can recover from it,
+                // so just return to prevent an endless loop in the outer "while" statement
+                q->setErrorString(QSslSocket::tr("Error while reading: %1").arg(SSL_ERRORSTR()));
+                q->setSocketError(QAbstractSocket::UnknownSocketError);
+                emit q->error(QAbstractSocket::UnknownSocketError);
+                return;
             default:
-                // ### Handle errors better.
+                // SSL_ERROR_WANT_CONNECT, SSL_ERROR_WANT_ACCEPT: can only happen with a
+                // BIO_s_connect() or BIO_s_accept(), which we do not call.
+                // SSL_ERROR_WANT_X509_LOOKUP: can only happen with a
+                // SSL_CTX_set_client_cert_cb(), which we do not call.
+                // So this default case should never be triggered.
                 q->setErrorString(QSslSocket::tr("Error while reading: %1").arg(SSL_ERRORSTR()));
                 q->setSocketError(QAbstractSocket::UnknownSocketError);
                 emit q->error(QAbstractSocket::UnknownSocketError);
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index fc28a73..af016cf 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -3718,7 +3718,7 @@ QGLWidget::~QGLWidget()
 #endif
     delete d->glcx;
     d->glcx = 0;
-#if defined(Q_WGL)
+#if defined(Q_WS_WIN)
     delete d->olcx;
     d->olcx = 0;
 #endif
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 4992ef5..1d633ed 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -55,6 +55,7 @@
 #include <QtGui/private/qfontengine_p.h>
 #include <QtGui/private/qpainterpath_p.h>
 #include <QtGui/private/qstatictext_p.h>
+#include <QtCore/qmath.h>
 #include <QDebug>
 #include <QSet>
 
@@ -1610,7 +1611,10 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
 
     // Try converting the path into a QRegion that tightly follows
     // the outline of the path we want to clip with.
-    QRegion region(path.convertToPainterPath().toFillPolygon(QTransform()).toPolygon());
+    QRegion region;
+    if (!path.isEmpty())
+        region = QRegion(path.convertToPainterPath().toFillPolygon(QTransform()).toPolygon());
+
     switch (op) {
         case Qt::NoClip:
         {
@@ -3427,7 +3431,13 @@ void QVGPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
 
     // Set the transformation to use for drawing the current glyphs.
     QTransform glyphTransform(d->pathTransform);
-    glyphTransform.translate(p.x(), p.y());
+    if (d->transform.type() <= QTransform::TxTranslate) {
+        // Prevent blurriness of unscaled, unrotated text by using integer coordinates.
+        // Using ceil(x-0.5) instead of qRound() or int-cast, behave like other paint engines.
+        glyphTransform.translate(ceil(p.x() - 0.5), ceil(p.y() - 0.5));
+    } else {
+        glyphTransform.translate(p.x(), p.y());
+    }
 #if defined(QVG_NO_IMAGE_GLYPHS)
     glyphTransform.scale(glyphCache->scaleX, glyphCache->scaleY);
 #endif
diff --git a/src/s60installs/bwins/QtGuiu.def b/src/s60installs/bwins/QtGuiu.def
index 296901d..1df9b84 100644
--- a/src/s60installs/bwins/QtGuiu.def
+++ b/src/s60installs/bwins/QtGuiu.def
@@ -2645,7 +2645,7 @@ EXPORTS
 	?childItems@QGraphicsItem@@QBE?AV?$QList@PAVQGraphicsItem@@@@XZ @ 2644 NONAME ; class QList<class QGraphicsItem *> QGraphicsItem::childItems(void) const
 	?children@QGraphicsItem@@QBE?AV?$QList@PAVQGraphicsItem@@@@XZ @ 2645 NONAME ; class QList<class QGraphicsItem *> QGraphicsItem::children(void) const
 	?childrenBoundingRect@QGraphicsItem@@QBE?AVQRectF@@XZ @ 2646 NONAME ; class QRectF QGraphicsItem::childrenBoundingRect(void) const
-	?childrenBoundingRectHelper@QGraphicsItemPrivate@@QAEXPAVQTransform@@PAVQRectF@@@Z @ 2647 NONAME ; void QGraphicsItemPrivate::childrenBoundingRectHelper(class QTransform *, class QRectF *)
+	?childrenBoundingRectHelper@QGraphicsItemPrivate@@QAEXPAVQTransform@@PAVQRectF@@@Z @ 2647 NONAME ABSENT ; void QGraphicsItemPrivate::childrenBoundingRectHelper(class QTransform *, class QRectF *)
 	?childrenCheckState@QTreeWidgetItem@@ABE?AVQVariant@@H@Z @ 2648 NONAME ; class QVariant QTreeWidgetItem::childrenCheckState(int) const
 	?childrenClippedToShape@QGraphicsItemPrivate@@QBE_NXZ @ 2649 NONAME ; bool QGraphicsItemPrivate::childrenClippedToShape(void) const
 	?childrenCollapsible@QSplitter@@QBE_NXZ @ 2650 NONAME ; bool QSplitter::childrenCollapsible(void) const
diff --git a/src/s60installs/eabi/QtGuiu.def b/src/s60installs/eabi/QtGuiu.def
index 018cba2..580e173 100644
--- a/src/s60installs/eabi/QtGuiu.def
+++ b/src/s60installs/eabi/QtGuiu.def
@@ -4675,7 +4675,7 @@ EXPORTS
 	_ZN20QGraphicsItemPrivate20removeExtraItemCacheEv @ 4674 NONAME
 	_ZN20QGraphicsItemPrivate23appendGraphicsTransformEP18QGraphicsTransform @ 4675 NONAME
 	_ZN20QGraphicsItemPrivate25movableAncestorIsSelectedEPK13QGraphicsItem @ 4676 NONAME
-	_ZN20QGraphicsItemPrivate26childrenBoundingRectHelperEP10QTransformP6QRectF @ 4677 NONAME
+	_ZN20QGraphicsItemPrivate26childrenBoundingRectHelperEP10QTransformP6QRectF @ 4677 NONAME ABSENT
 	_ZN20QGraphicsItemPrivate26invalidateDepthRecursivelyEv @ 4678 NONAME
 	_ZN20QGraphicsItemPrivate28ensureSequentialSiblingIndexEv @ 4679 NONAME
 	_ZN20QGraphicsItemPrivate29ensureSceneTransformRecursiveEPP13QGraphicsItem @ 4680 NONAME