Merge branch '4.7-upstream' into 4.7

58 files changed, 597 insertions, 292 deletions

diff --git a/src/3rdparty/phonon/mmf/abstractaudioeffect.h b/src/3rdparty/phonon/mmf/abstractaudioeffect.h
index 70adcf6..517a334 100644
--- a/src/3rdparty/phonon/mmf/abstractaudioeffect.h
+++ b/src/3rdparty/phonon/mmf/abstractaudioeffect.h
@@ -124,7 +124,7 @@ private:
 
 #define PHONON_MMF_DEFINE_EFFECT_FUNCTIONS(Effect)                      \
                                                                         \
-void Effect##::createEffect(AudioPlayer::NativePlayer *player)          \
+void Effect::createEffect(AudioPlayer::NativePlayer *player)            \
 {                                                                       \
     C##Effect *ptr = 0;                                                 \
     QT_TRAP_THROWING(ptr = C##Effect::NewL(*player));                   \
diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
index a001940..06aa191 100644
--- a/src/corelib/corelib.pro
+++ b/src/corelib/corelib.pro
@@ -33,7 +33,10 @@ contains(DEFINES,QT_EVAL):include(eval.pri)
 symbian: {
     TARGET.UID3=0x2001B2DC
 
-    # Workaroud for problems with paging this dll
-    MMP_RULES -= PAGED
-    MMP_RULES *= UNPAGED
+    # Problems using data exports from this DLL mean that we can't page it on releases that don't support
+    # data exports (currently that's any release before Symbian^3)
+    pagingBlock = "$${LITERAL_HASH}ifndef SYMBIAN_DLL_DATA_EXPORTS_SUPPORTED" \
+                  "UNPAGED" \
+                  "$${LITERAL_HASH}endif"
+    MMP_RULES += pagingBlock
 }
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 8440542..65cd7f4 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -1252,6 +1252,13 @@
     to this top level window. This attribute has no effect on non-X11
     platforms.
 
+    \value WA_LockPortraitOrientation Locks the widget to a portrait orientation,
+    ignoring changes to the display's orientation with respect to the user.
+    \value WA_LockLandscapeOrientation Locks the widget to a landscape orientation,
+    ignoring changes to the display's orientation with respect to the user.
+    \value WA_AutoOrientation Causes the widget to change orientation whenever the
+    display changes orientation with respect to the user.
+
     \omitvalue WA_SetLayoutDirection
     \omitvalue WA_InputMethodTransparent
     \omitvalue WA_WState_CompressKeys
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index bba563a..6d90a51 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -530,10 +530,7 @@ LRESULT QT_WIN_CALLBACK qt_GetMessageHook(int code, WPARAM wp, LPARAM lp)
                     PostMessage(d->internalHwnd, WM_QT_SENDPOSTEDEVENTS, 0, 0);
                 }
             } else if (d->sendPostedEventsWindowsTimerId == 0
-                       && localSerialNumber != d->lastSerialNumber
-                       // if this message IS the one that triggers sendPostedEvents(), no need to post it again
-                       && (msg->hwnd != d->internalHwnd
-                           || msg->message != WM_QT_SENDPOSTEDEVENTS)) {
+                       && localSerialNumber != d->lastSerialNumber) {
                 // start a special timer to continue delivering posted events while
                 // there are still input and timer messages in the message queue
                 d->sendPostedEventsWindowsTimerId = SetTimer(d->internalHwnd,
diff --git a/src/corelib/tools/qset.h b/src/corelib/tools/qset.h
index 8075fbd..1074f99 100644
--- a/src/corelib/tools/qset.h
+++ b/src/corelib/tools/qset.h
@@ -330,7 +330,7 @@ class QMutableSetIterator
     typedef typename QSet<T>::iterator iterator;
     QSet<T> *c;
     iterator i, n;
-    inline bool item_exists() const { return n != c->constEnd(); }
+    inline bool item_exists() const { return c->constEnd() != n; }
 
 public:
     inline QMutableSetIterator(QSet<T> &container)
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index d641d74..d01899d 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -3869,8 +3869,7 @@ const char *QString::latin1_helper() const
     If \a size is -1 (default), it is taken to be qstrlen(\a
     str).
 
-    QTextCodec::codecForLocale() is used to perform the conversion
-    from Unicode.
+    QTextCodec::codecForLocale() is used to perform the conversion.
 
     \sa toLocal8Bit(), fromAscii(), fromLatin1(), fromUtf8()
 */
diff --git a/src/dbus/qdbusintegrator.cpp b/src/dbus/qdbusintegrator.cpp
index 2e7b052..bc03896 100644
--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@@ -2074,30 +2074,20 @@ void QDBusConnectionPrivate::connectSignal(const QString &key, const SignalHook
 
     if (connection) {
         qDBusDebug("Adding rule: %s", hook.matchRule.constData());
-        QDBusErrorInternal error;
-        q_dbus_bus_add_match(connection, hook.matchRule, error);
-        if (!!error) {
-            QDBusError qerror = error;
-            qWarning("QDBusConnectionPrivate::connectSignal: received error from D-Bus server "
-                     "while connecting signal to %s::%s: %s (%s)",
-                     hook.obj->metaObject()->className(),
-                     hook.obj->metaObject()->method(hook.midx).signature(),
-                     qPrintable(qerror.name()), qPrintable(qerror.message()));
-            Q_ASSERT(false);
-        } else {
-            // Successfully connected the signal
-            // Do we need to watch for this name?
-            if (shouldWatchService(hook.service)) {
-                WatchedServicesHash::mapped_type &data = watchedServices[hook.service];
-                if (++data.refcount == 1) {
-                    // we need to watch for this service changing
-                    connectSignal(dbusServiceString(), QString(), dbusInterfaceString(),
-                                  QLatin1String("NameOwnerChanged"), QStringList() << hook.service, QString(),
-                                  this, SLOT(serviceOwnerChangedNoLock(QString,QString,QString)));
-                    data.owner = getNameOwnerNoCache(hook.service);
-                    qDBusDebug() << this << "Watching service" << hook.service << "for owner changes (current owner:"
-                            << data.owner << ")";
-                }
+        q_dbus_bus_add_match(connection, hook.matchRule, NULL);
+
+        // Successfully connected the signal
+        // Do we need to watch for this name?
+        if (shouldWatchService(hook.service)) {
+            WatchedServicesHash::mapped_type &data = watchedServices[hook.service];
+            if (++data.refcount == 1) {
+                // we need to watch for this service changing
+                connectSignal(dbusServiceString(), QString(), dbusInterfaceString(),
+                              QLatin1String("NameOwnerChanged"), QStringList() << hook.service, QString(),
+                              this, SLOT(serviceOwnerChangedNoLock(QString,QString,QString)));
+                data.owner = getNameOwnerNoCache(hook.service);
+                qDBusDebug() << this << "Watching service" << hook.service << "for owner changes (current owner:"
+                             << data.owner << ")";
             }
         }
     }
diff --git a/src/dbus/qdbusmetaobject.cpp b/src/dbus/qdbusmetaobject.cpp
index 5fe0589..6683505 100644
--- a/src/dbus/qdbusmetaobject.cpp
+++ b/src/dbus/qdbusmetaobject.cpp
@@ -169,6 +169,8 @@ QDBusMetaObjectGenerator::QDBusMetaObjectGenerator(const QString &interfaceName,
     }
 }
 
+Q_DBUS_EXPORT bool qt_dbus_metaobject_skip_annotations = false;
+
 QDBusMetaObjectGenerator::Type
 QDBusMetaObjectGenerator::findType(const QByteArray &signature,
                                    const QDBusIntrospection::Annotations &annotations,
@@ -178,7 +180,7 @@ QDBusMetaObjectGenerator::findType(const QByteArray &signature,
     result.id = QVariant::Invalid;
 
     int type = QDBusMetaType::signatureToType(signature);
-    if (type == QVariant::Invalid) {
+    if (type == QVariant::Invalid && !qt_dbus_metaobject_skip_annotations) {
         // it's not a type normally handled by our meta type system
         // it must contain an annotation
         QString annotationName = QString::fromLatin1("com.trolltech.QtDBus.QtTypeName");
@@ -201,6 +203,20 @@ QDBusMetaObjectGenerator::findType(const QByteArray &signature,
             return result;      // unknown type is invalid too
 
         result.name = typeName;
+    } else if (type == QVariant::Invalid) {
+        // this case is used only by the qdbus command-line tool
+        // invalid, let's create an impossible type that contains the signature
+
+        if (signature == "av") {
+            result.name = "QVariantList";
+            type = QVariant::List;
+        } else if (signature == "a{sv}") {
+            result.name = "QVariantMap";
+            type = QVariant::Map;
+        } else {
+            result.name = "QDBusRawType::" + signature;
+            type = -1;
+        }
     } else {
         result.name = QVariant::typeToName( QVariant::Type(type) );
     }
diff --git a/src/declarative/debugger/qdeclarativedebugserver.cpp b/src/declarative/debugger/qdeclarativedebugserver.cpp
index a269984..ea3d9a3 100644
--- a/src/declarative/debugger/qdeclarativedebugserver.cpp
+++ b/src/declarative/debugger/qdeclarativedebugserver.cpp
@@ -118,7 +118,7 @@ QDeclarativeDebugServerConnection *QDeclarativeDebugServerPrivate::loadConnectio
     QStringList pluginCandidates;
     const QStringList paths = QCoreApplication::libraryPaths();
     foreach (const QString &libPath, paths) {
-        const QDir dir(libPath + QLatin1String("/qmldebugging"));
+        const QDir dir(libPath + QLatin1String("/qmltooling"));
         if (dir.exists()) {
             QStringList plugins(dir.entryList(QDir::Files));
             foreach (const QString &pluginPath, plugins) {
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index a12a5ed..8b2d094 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -53,6 +53,10 @@ QT_BEGIN_NAMESPACE
 // before we perform a flick.
 static const int FlickThreshold = 20;
 
+// RetainGrabVelocity is the maxmimum instantaneous velocity that
+// will ensure the  Flickable retains the grab on consecutive flicks.
+static const int RetainGrabVelocity = 15;
+
 QDeclarativeFlickableVisibleArea::QDeclarativeFlickableVisibleArea(QDeclarativeFlickable *parent)
     : QObject(parent), flickable(parent), m_xPosition(0.), m_widthRatio(0.)
     , m_yPosition(0.), m_heightRatio(0.)
@@ -672,7 +676,8 @@ void QDeclarativeFlickable::setFlickableDirection(FlickableDirection direction)
 void QDeclarativeFlickablePrivate::handleMousePressEvent(QGraphicsSceneMouseEvent *event)
 {
     Q_Q(QDeclarativeFlickable);
-    if (interactive && timeline.isActive() && (qAbs(hData.velocity) > 10 || qAbs(vData.velocity) > 10))
+    if (interactive && timeline.isActive()
+            && (qAbs(hData.smoothVelocity.value()) > RetainGrabVelocity || qAbs(vData.smoothVelocity.value()) > RetainGrabVelocity))
         stealMouse = true; // If we've been flicked then steal the click.
     else
         stealMouse = false;
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp
index 0f664eb..694130b 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp
@@ -2390,24 +2390,9 @@ void QDeclarativeGridView::itemsInserted(int modelIndex, int count)
     Q_D(QDeclarativeGridView);
     if (!isComponentComplete())
         return;
-    if (!d->visibleItems.count() || d->model->count() <= 1) {
-        d->scheduleLayout();
-        if (d->itemCount && d->currentIndex >= modelIndex) {
-            // adjust current item index
-            d->currentIndex += count;
-            if (d->currentItem)
-                d->currentItem->index = d->currentIndex;
-            emit currentIndexChanged();
-        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
-            d->updateCurrent(0);
-        }
-        d->itemCount += count;
-        emit countChanged();
-        return;
-    }
 
-    int index = d->mapFromModel(modelIndex);
-    if (index == -1) {
+    int index = d->visibleItems.count() ? d->mapFromModel(modelIndex) : 0;
+    if (index < 0) {
         int i = d->visibleItems.count() - 1;
         while (i > 0 && d->visibleItems.at(i)->index == -1)
             --i;
@@ -2438,28 +2423,35 @@ void QDeclarativeGridView::itemsInserted(int modelIndex, int count)
         }
     }
 
-    // At least some of the added items will be visible
     int insertCount = count;
-    if (index < d->visibleIndex) {
+    if (index < d->visibleIndex && d->visibleItems.count()) {
         insertCount -= d->visibleIndex - index;
         index = d->visibleIndex;
         modelIndex = d->visibleIndex;
     }
 
-    index -= d->visibleIndex;
     int to = d->buffer+d->position()+d->size()-1;
-    int colPos, rowPos;
-    if (index < d->visibleItems.count()) {
-        colPos = d->visibleItems.at(index)->colPos();
-        rowPos = d->visibleItems.at(index)->rowPos();
-    } else {
-        // appending items to visible list
-        colPos = d->visibleItems.at(index-1)->colPos() + d->colSize();
-        rowPos = d->visibleItems.at(index-1)->rowPos();
-        if (colPos > d->colSize() * (d->columns-1)) {
-            colPos = 0;
-            rowPos += d->rowSize();
+    int colPos = 0;
+    int rowPos = 0;
+    if (d->visibleItems.count()) {
+        index -= d->visibleIndex;
+        if (index < d->visibleItems.count()) {
+            colPos = d->visibleItems.at(index)->colPos();
+            rowPos = d->visibleItems.at(index)->rowPos();
+        } else {
+            // appending items to visible list
+            colPos = d->visibleItems.at(index-1)->colPos() + d->colSize();
+            rowPos = d->visibleItems.at(index-1)->rowPos();
+            if (colPos > d->colSize() * (d->columns-1)) {
+                colPos = 0;
+                rowPos += d->rowSize();
+            }
         }
+    } else if (d->itemCount == 0 && d->header) {
+        if (d->flow == QDeclarativeGridView::LeftToRight)
+            rowPos = d->headerSize();
+        else
+            colPos = d->headerSize();
     }
 
     // Update the indexes of the following visible items.
@@ -2512,6 +2504,8 @@ void QDeclarativeGridView::itemsInserted(int modelIndex, int count)
         if (d->currentItem) {
             d->currentItem->index = d->currentIndex;
             d->currentItem->setPosition(d->colPosAt(d->currentIndex), d->rowPosAt(d->currentIndex));
+        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
+            d->updateCurrent(0);
         }
         emit currentIndexChanged();
     }
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index 800e82e..a60a4aa 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -2853,23 +2853,8 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count)
         return;
     d->updateUnrequestedIndexes();
     d->moveReason = QDeclarativeListViewPrivate::Other;
-    if (!d->visibleItems.count() || d->model->count() <= 1) {
-        d->scheduleLayout();
-        if (d->itemCount && d->currentIndex >= modelIndex) {
-            // adjust current item index
-            d->currentIndex += count;
-            if (d->currentItem)
-                d->currentItem->index = d->currentIndex;
-            emit currentIndexChanged();
-        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
-            d->updateCurrent(0);
-        }
-        d->itemCount += count;
-        emit countChanged();
-        return;
-    }
 
-    int index = d->mapFromModel(modelIndex);
+    int index = d->visibleItems.count() ? d->mapFromModel(modelIndex) : 0;
     if (index < 0) {
         int i = d->visibleItems.count() - 1;
         while (i > 0 && d->visibleItems.at(i)->index == -1)
@@ -2905,11 +2890,15 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count)
         }
     }
 
-    // At least some of the added items will be visible
-
     // index can be the next item past the end of the visible items list (i.e. appended)
-    int pos = index < d->visibleItems.count() ? d->visibleItems.at(index)->position()
+    int pos = 0;
+    if (d->visibleItems.count()) {
+        pos = index < d->visibleItems.count() ? d->visibleItems.at(index)->position()
                                                 : d->visibleItems.last()->endPosition()+d->spacing+1;
+    } else if (d->itemCount == 0 && d->header) {
+        pos = d->header->size();
+    }
+
     int initialPos = pos;
     int diff = 0;
     QList<FxListItem*> added;
@@ -2976,6 +2965,8 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count)
         if (d->currentItem) {
             d->currentItem->index = d->currentIndex;
             d->currentItem->setPosition(d->currentItem->position() + diff);
+        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
+            d->updateCurrent(0);
         }
         emit currentIndexChanged();
     }
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index ffbae3f..5b73a29 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -314,6 +314,8 @@ QDeclarativeMouseAreaPrivate::~QDeclarativeMouseAreaPrivate()
     position of the release of the click, and whether the click was held.
 
     The \e accepted property of the MouseEvent parameter is ignored in this handler.
+
+    \sa onCanceled()
 */
 
 /*!
diff --git a/src/declarative/graphicsitems/qdeclarativepathview.cpp b/src/declarative/graphicsitems/qdeclarativepathview.cpp
index 306575e..4e401e9 100644
--- a/src/declarative/graphicsitems/qdeclarativepathview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativepathview.cpp
@@ -1152,7 +1152,7 @@ void QDeclarativePathViewPrivate::handleMouseMoveEvent(QGraphicsSceneMouseEvent
         moveReason = QDeclarativePathViewPrivate::Mouse;
         qreal diff = (newPc - startPc)*modelCount*mappedRange;
         if (diff) {
-            setOffset(offset + diff);
+            q->setOffset(offset + diff);
 
             if (diff > modelCount/2)
                 diff -= modelCount;
@@ -1455,17 +1455,18 @@ void QDeclarativePathView::itemsInserted(int modelIndex, int count)
     if (!d->isValid() || !isComponentComplete())
         return;
 
-    d->itemCache += d->items;
-    d->items.clear();
-    if (modelIndex <= d->currentIndex) {
-        d->currentIndex += count;
-        emit currentIndexChanged();
-    } else if (d->offset != 0) {
-        d->offset += count;
-        d->offsetAdj += count;
+    if (d->modelCount) {
+        d->itemCache += d->items;
+        d->items.clear();
+        if (modelIndex <= d->currentIndex) {
+            d->currentIndex += count;
+            emit currentIndexChanged();
+        } else if (d->offset != 0) {
+            d->offset += count;
+            d->offsetAdj += count;
+        }
     }
-
-    d->modelCount = d->model->count();
+    d->modelCount += count;
     if (d->flicking || d->moving) {
         d->regenerate();
         d->updateCurrent();
@@ -1502,18 +1503,29 @@ void QDeclarativePathView::itemsRemoved(int modelIndex, int count)
     d->itemCache += d->items;
     d->items.clear();
 
+    bool changedOffset = false;
     if (modelIndex > d->currentIndex) {
         if (d->offset >= count) {
+            changedOffset = true;
             d->offset -= count;
             d->offsetAdj -= count;
         }
     }
 
-    d->modelCount = d->model->count();
-    d->regenerate();
-    d->updateCurrent();
-    if (!d->modelCount)
+    d->modelCount -= count;
+    if (!d->modelCount) {
+        while (d->itemCache.count())
+            d->releaseItem(d->itemCache.takeLast());
+        d->offset = 0;
+        changedOffset = true;
+        d->tl.reset(d->moveOffset);
         update();
+    } else {
+        d->regenerate();
+        d->updateCurrent();
+    }
+    if (changedOffset)
+        emit offsetChanged();
     if (currentChanged)
         emit currentIndexChanged();
     emit countChanged();
@@ -1601,7 +1613,7 @@ void QDeclarativePathView::movementEnding()
 int QDeclarativePathViewPrivate::calcCurrentIndex()
 {
     int current = -1;
-    if (model && items.count()) {
+    if (modelCount && model && items.count()) {
         offset = qmlMod(offset, modelCount);
         if (offset < 0)
             offset += modelCount;
@@ -1617,7 +1629,7 @@ void QDeclarativePathViewPrivate::updateCurrent()
     Q_Q(QDeclarativePathView);
     if (moveReason != Mouse)
         return;
-    if (!haveHighlightRange || highlightRangeMode != QDeclarativePathView::StrictlyEnforceRange)
+    if (!modelCount || !haveHighlightRange || highlightRangeMode != QDeclarativePathView::StrictlyEnforceRange)
         return;
 
     int idx = calcCurrentIndex();
diff --git a/src/declarative/graphicsitems/qdeclarativetext.cpp b/src/declarative/graphicsitems/qdeclarativetext.cpp
index 8f1d531..049169e 100644
--- a/src/declarative/graphicsitems/qdeclarativetext.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetext.cpp
@@ -99,7 +99,8 @@ QString QDeclarativeTextPrivate::elideChar = QString(0x2026);
 QDeclarativeTextPrivate::QDeclarativeTextPrivate()
 : color((QRgb)0), style(QDeclarativeText::Normal), hAlign(QDeclarativeText::AlignLeft), 
   vAlign(QDeclarativeText::AlignTop), elideMode(QDeclarativeText::ElideNone),
-  format(QDeclarativeText::AutoText), wrapMode(QDeclarativeText::NoWrap), lineHeight(1), lineHeightMode(QDeclarativeText::MultiplyHeight),
+  format(QDeclarativeText::AutoText), wrapMode(QDeclarativeText::NoWrap), lineHeight(1),
+  lineHeightMode(QDeclarativeText::ProportionalHeight),
   lineCount(1), truncated(false), maximumLineCount(INT_MAX),
   maximumLineCountValid(false), imageCacheDirty(true), updateOnComponentComplete(true), richText(false), singleline(false),
   cacheAllTextAsImage(true), internalWidthUpdate(false), requireImplicitWidth(false), naturalWidth(0), doc(0)
@@ -189,7 +190,7 @@ QDeclarativeTextDocumentLayout::QDeclarativeTextDocumentLayout(QTextDocument *do
     : QTextDocumentLayout(doc) {
 }
 
-void QDeclarativeTextDocumentLayout::setLineHeight(qreal lineHeight, QDeclarativeText::LineHeightMode mode = QDeclarativeText::MultiplyHeight)
+void QDeclarativeTextDocumentLayout::setLineHeight(qreal lineHeight, QDeclarativeText::LineHeightMode mode = QDeclarativeText::ProportionalHeight)
 {
     QTextDocumentLayout::setLineHeight(lineHeight, QTextDocumentLayout::LineHeightMode(mode));
 }
@@ -468,7 +469,7 @@ QSize QDeclarativeTextPrivate::setupTextLayout()
     for (int i = 0; i < layout.lineCount(); ++i) {
         QTextLine line = layout.lineAt(i);
         line.setPosition(QPointF(0, height));
-        height += (lineHeightMode == QDeclarativeText::PixelHeight) ? lineHeight : line.height() * lineHeight;
+        height += (lineHeightMode == QDeclarativeText::FixedHeight) ? lineHeight : line.height() * lineHeight;
 
         if (!cacheAllTextAsImage) {
             if ((hAlignment == QDeclarativeText::AlignLeft) || (hAlignment == QDeclarativeText::AlignJustify)) {
@@ -1482,8 +1483,9 @@ void QDeclarativeText::setLineHeight(qreal lineHeight)
     The possible values are:
 
     \list
-    \o Text.MultiplyHeight (default) - specifies a line height multiplier,
-    \o Text.PixelHeight - specifies the line height in pixels.
+    \o Text.ProportionalHeight (default) - this sets the spacing proportional to the
+       line (as a multiplier). For example, set to 2 for double spacing.
+    \o Text.FixedHeight - this sets the line height to a fixed line height (in pixels).
     \endlist
 */
 QDeclarativeText::LineHeightMode QDeclarativeText::lineHeightMode() const
diff --git a/src/declarative/graphicsitems/qdeclarativetext_p.h b/src/declarative/graphicsitems/qdeclarativetext_p.h
index f3697d5..b8835d1 100644
--- a/src/declarative/graphicsitems/qdeclarativetext_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetext_p.h
@@ -114,7 +114,7 @@ public:
                     Wrap = QTextOption::WrapAtWordBoundaryOrAnywhere
                   };
 
-    enum LineHeightMode { MultiplyHeight, PixelHeight };
+    enum LineHeightMode { ProportionalHeight, FixedHeight };
 
     QString text() const;
     void setText(const QString &);
diff --git a/src/declarative/graphicsitems/qdeclarativetextedit.cpp b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
index 39f1465..e2f6265 100644
--- a/src/declarative/graphicsitems/qdeclarativetextedit.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
@@ -976,6 +976,7 @@ void QDeclarativeTextEdit::setSelectByMouse(bool on)
     Q_D(QDeclarativeTextEdit);
     if (d->selectByMouse != on) {
         d->selectByMouse = on;
+        setKeepMouseGrab(on);
         emit selectByMouseChanged(on);
     }
 }
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
index e696294..3c95ab8 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
@@ -776,6 +776,15 @@ bool QDeclarativeTextInput::hasAcceptableInput() const
 }
 
 /*!
+    \qmlsignal TextInput::onAccepted()
+
+    This handler is called when the Return or Enter key is pressed.
+    Note that if there is a \l validator or \l inputMask set on the text
+    input, the handler will only be emitted if the input is in an acceptable
+    state.
+*/
+
+/*!
     \qmlproperty enumeration TextInput::echoMode
 
     Specifies how the text should be displayed in the TextInput.
@@ -1019,6 +1028,10 @@ void QDeclarativeTextInput::mousePressEvent(QGraphicsSceneMouseEvent *event)
             }
         }
     }
+    if (d->selectByMouse) {
+        setKeepMouseGrab(false);
+        d->pressPos = event->pos();
+    }
     bool mark = event->modifiers() & Qt::ShiftModifier;
     int cursor = d->xToPos(event->pos().x());
     d->control->moveCursor(cursor, mark);
@@ -1029,6 +1042,8 @@ void QDeclarativeTextInput::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 {
     Q_D(QDeclarativeTextInput);
     if (d->selectByMouse) {
+        if (qAbs(int(event->pos().x() - d->pressPos.x())) > QApplication::startDragDistance())
+            setKeepMouseGrab(true);
         moveCursorSelection(d->xToPos(event->pos().x()), d->mouseSelectionMode);
         event->setAccepted(true);
     } else {
@@ -1043,6 +1058,8 @@ Handles the given mouse \a event.
 void QDeclarativeTextInput::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
     Q_D(QDeclarativeTextInput);
+    if (d->selectByMouse)
+        setKeepMouseGrab(false);
     if (!d->showInputPanelOnFocus) { // input panel on click
         if (d->focusOnPress && !isReadOnly() && boundingRect().contains(event->pos())) {
             if (QGraphicsView * view = qobject_cast<QGraphicsView*>(qApp->focusWidget())) {
@@ -1058,6 +1075,15 @@ void QDeclarativeTextInput::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
         QDeclarativePaintedItem::mouseReleaseEvent(event);
 }
 
+bool QDeclarativeTextInput::sceneEvent(QEvent *event)
+{
+    bool rv = QDeclarativeItem::sceneEvent(event);
+    if (event->type() == QEvent::UngrabMouse) {
+        setKeepMouseGrab(false);
+    }
+    return rv;
+}
+
 bool QDeclarativeTextInput::event(QEvent* ev)
 {
     Q_D(QDeclarativeTextInput);
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput_p.h b/src/declarative/graphicsitems/qdeclarativetextinput_p.h
index 63d0e53..e1e66a9 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextinput_p.h
@@ -240,6 +240,7 @@ protected:
     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
     void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
+    bool sceneEvent(QEvent *event);
     void keyPressEvent(QKeyEvent* ev);
     void inputMethodEvent(QInputMethodEvent *);
     bool event(QEvent *e);
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h b/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
index 7a0086e..f7446b4 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
@@ -118,6 +118,7 @@ public:
     QDeclarativeTextInput::SelectionMode mouseSelectionMode;
     QPointer<QDeclarativeComponent> cursorComponent;
     QPointer<QDeclarativeItem> cursorItem;
+    QPointF pressPos;
 
     int lastSelectionStart;
     int lastSelectionEnd;
diff --git a/src/declarative/qml/qdeclarativecompiledbindings.cpp b/src/declarative/qml/qdeclarativecompiledbindings.cpp
index 3721fb0..a6fcce4 100644
--- a/src/declarative/qml/qdeclarativecompiledbindings.cpp
+++ b/src/declarative/qml/qdeclarativecompiledbindings.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 // #define COMPILEDBINDINGS_DEBUG
+// #define REGISTER_CLEANUP_DEBUG
 
 #include "private/qdeclarativecompiledbindings_p.h"
 
@@ -171,6 +172,24 @@ struct Register {
 
     int type;          // Optional type
     void *data[2];     // Object stored here
+
+#ifdef REGISTER_CLEANUP_DEBUG
+    Register() {
+        type = 0;
+    }
+
+    ~Register() {
+        int allowedTypes[] = { QMetaType::QObjectStar, QMetaType::QReal, QMetaType::Int, QMetaType::Bool, 0 };
+        bool found = (type == 0);
+        int *ctype = allowedTypes;
+        while (!found && *ctype) {
+            found = (*ctype == type);
+            ++ctype;
+        }
+        if (!found)
+            qWarning("Register leaked of type %d", type);
+    }
+#endif
 };
 }
 
@@ -1412,10 +1431,16 @@ void QDeclarativeCompiledBindingsPrivate::run(int instrIndex,
 
     QML_BEGIN_INSTR(CleanupString)
         registers[instr->cleanup.reg].getstringptr()->~QString();
+#ifdef REGISTER_CLEANUP_DEBUG
+        registers[instr->cleanup.reg].setUndefined();
+#endif
     QML_END_INSTR(CleanupString)
 
     QML_BEGIN_INSTR(CleanupUrl)
         registers[instr->cleanup.reg].geturlptr()->~QUrl();
+#ifdef REGISTER_CLEANUP_DEBUG
+        registers[instr->cleanup.reg].setUndefined();
+#endif
     QML_END_INSTR(CleanupUrl)
 
     QML_BEGIN_INSTR(Fetch)
@@ -1533,10 +1558,19 @@ void QDeclarativeCompiledBindingsPrivate::run(int instrIndex,
         int type = registers[instr->cleanup.reg].gettype();
         if (type == qMetaTypeId<QVariant>()) {
             registers[instr->cleanup.reg].getvariantptr()->~QVariant();
+#ifdef REGISTER_CLEANUP_DEBUG
+        registers[instr->cleanup.reg].setUndefined();
+#endif
         } else if (type == QMetaType::QString) {
             registers[instr->cleanup.reg].getstringptr()->~QString();
+#ifdef REGISTER_CLEANUP_DEBUG
+        registers[instr->cleanup.reg].setUndefined();
+#endif
         } else if (type == QMetaType::QUrl) {
             registers[instr->cleanup.reg].geturlptr()->~QUrl();
+#ifdef REGISTER_CLEANUP_DEBUG
+        registers[instr->cleanup.reg].setUndefined();
+#endif
         }
     }
     QML_END_INSTR(CleanupGeneric)
@@ -1749,7 +1783,6 @@ bool QDeclarativeBindingCompilerPrivate::compile(QDeclarativeJS::AST::Node *node
         done.common.type = Instr::Done;
         bytecode << done;
 
-        return true;
     } else {
         // Can we store the final value?
         if (type.type == QVariant::Int &&
@@ -1791,12 +1824,12 @@ bool QDeclarativeBindingCompilerPrivate::compile(QDeclarativeJS::AST::Node *node
             Instr done;
             done.common.type = Instr::Done;
             bytecode << done;
-
-            return true;
         } else {
             return false;
         }
     }
+
+    return true;
 }
 
 bool QDeclarativeBindingCompilerPrivate::parseExpression(QDeclarativeJS::AST::Node *node, Result &type)
@@ -2236,6 +2269,8 @@ bool QDeclarativeBindingCompilerPrivate::stringArith(Result &type, const Result
 
     if (lhsTmp != -1) releaseReg(lhsTmp);
     if (rhsTmp != -1) releaseReg(rhsTmp);
+    releaseReg(lhs.reg);
+    releaseReg(rhs.reg);
 
     return true;
 }
diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp
index a0633a6..854d910 100644
--- a/src/declarative/qml/qdeclarativeengine.cpp
+++ b/src/declarative/qml/qdeclarativeengine.cpp
@@ -2113,10 +2113,11 @@ QVariant QDeclarativeEnginePrivate::scriptValueToVariant(const QScriptValue &val
 /*!
   Adds \a path as a directory where the engine searches for
   installed modules in a URL-based directory structure.
+  The \a path may be a local filesystem directory or a URL.
 
   The newly added \a path will be first in the importPathList().
 
-  \sa setImportPathList()
+  \sa setImportPathList(), \l {QML Modules}
 */
 void QDeclarativeEngine::addImportPath(const QString& path)
 {
diff --git a/src/declarative/qml/qdeclarativeimport.cpp b/src/declarative/qml/qdeclarativeimport.cpp
index c89666d..7a1234d 100644
--- a/src/declarative/qml/qdeclarativeimport.cpp
+++ b/src/declarative/qml/qdeclarativeimport.cpp
@@ -425,8 +425,18 @@ QString QDeclarativeImportsPrivate::resolvedUri(const QString &dir_arg, QDeclara
             break;
         }
     }
+
+    stableRelativePath.replace(QLatin1Char('\\'), QLatin1Char('/'));
+
+    // remove optional versioning in dot notation from uri
+    int lastSlash = stableRelativePath.lastIndexOf(QLatin1Char('/'));
+    if (lastSlash >= 0) {
+        int versionDot = stableRelativePath.indexOf(QLatin1Char('.'), lastSlash);
+        if (versionDot >= 0)
+            stableRelativePath = stableRelativePath.left(versionDot);
+    }
+
     stableRelativePath.replace(QLatin1Char('/'), QLatin1Char('.'));
-    stableRelativePath.replace(QLatin1Char('\\'), QLatin1Char('.'));
     return stableRelativePath;
 }
 
@@ -447,42 +457,85 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
     }
 
     QString url = uri;
+    bool versionFound = false;
     if (importType == QDeclarativeScriptParser::Import::Library) {
         url.replace(QLatin1Char('.'), QLatin1Char('/'));
         bool found = false;
         QString dir;
 
 
-        foreach (const QString &p, database->fileImportPath) {
-            dir = p+QLatin1Char('/')+url;
+        // step 1: search for extension with fully encoded version number
+        if (vmaj >= 0 && vmin >= 0) {
+            foreach (const QString &p, database->fileImportPath) {
+                dir = p+QLatin1Char('/')+url;
 
-            QFileInfo fi(dir+QLatin1String("/qmldir"));
-            const QString absoluteFilePath = fi.absoluteFilePath();
+                QFileInfo fi(dir+QString(QLatin1String(".%1.%2")).arg(vmaj).arg(vmin)+QLatin1String("/qmldir"));
+                const QString absoluteFilePath = fi.absoluteFilePath();
 
-            if (fi.isFile()) {
-                found = true;
+                if (fi.isFile()) {
+                    found = true;
 
-                url = QUrl::fromLocalFile(fi.absolutePath()).toString();
-                uri = resolvedUri(dir, database);
-                if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
-                    return false;
-                break;
+                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    uri = resolvedUri(dir, database);
+                    if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
+                        return false;
+                    break;
+                }
             }
         }
+        // step 2: search for extension with encoded version major
+        if (vmaj >= 0 && vmin >= 0) {
+            foreach (const QString &p, database->fileImportPath) {
+                dir = p+QLatin1Char('/')+url;
+
+                QFileInfo fi(dir+QString(QLatin1String(".%1")).arg(vmaj)+QLatin1String("/qmldir"));
+                const QString absoluteFilePath = fi.absoluteFilePath();
 
+                if (fi.isFile()) {
+                    found = true;
+
+                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    uri = resolvedUri(dir, database);
+                    if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
+                        return false;
+                    break;
+                }
+            }
+        }
         if (!found) {
-            found = QDeclarativeMetaType::isModule(uri.toUtf8(), vmaj, vmin);
-            if (!found) {
-                if (errorString) {
-                    bool anyversion = QDeclarativeMetaType::isModule(uri.toUtf8(), -1, -1);
-                    if (anyversion)
-                        *errorString = QDeclarativeImportDatabase::tr("module \"%1\" version %2.%3 is not installed").arg(uri_arg).arg(vmaj).arg(vmin);
-                    else
-                        *errorString = QDeclarativeImportDatabase::tr("module \"%1\" is not installed").arg(uri_arg);
+            // step 3: search for extension without version number
+
+            foreach (const QString &p, database->fileImportPath) {
+                dir = p+QLatin1Char('/')+url;
+
+                QFileInfo fi(dir+QLatin1String("/qmldir"));
+                const QString absoluteFilePath = fi.absoluteFilePath();
+
+                if (fi.isFile()) {
+                    found = true;
+
+                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    uri = resolvedUri(dir, database);
+                    if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
+                        return false;
+                    break;
                 }
-                return false;
             }
         }
+
+        if (QDeclarativeMetaType::isModule(uri.toUtf8(), vmaj, vmin))
+            versionFound = true;
+
+        if (!versionFound && qmldircomponents.isEmpty()) {
+            if (errorString) {
+                bool anyversion = QDeclarativeMetaType::isModule(uri.toUtf8(), -1, -1);
+                if (anyversion)
+                    *errorString = QDeclarativeImportDatabase::tr("module \"%1\" version %2.%3 is not installed").arg(uri_arg).arg(vmaj).arg(vmin);
+                else
+                    *errorString = QDeclarativeImportDatabase::tr("module \"%1\" is not installed").arg(uri_arg);
+            }
+            return false;
+        }
     } else {
 
         if (importType == QDeclarativeScriptParser::Import::File && qmldircomponents.isEmpty()) {
@@ -526,7 +579,7 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
             url.chop(1);
     }
 
-    if (vmaj > -1 && vmin > -1 && !qmldircomponents.isEmpty()) {
+    if (!versionFound && vmaj > -1 && vmin > -1 && !qmldircomponents.isEmpty()) {
         QList<QDeclarativeDirParser::Component>::ConstIterator it = qmldircomponents.begin();
         int lowest_maj = INT_MAX;
         int lowest_min = INT_MAX;
@@ -660,6 +713,7 @@ bool QDeclarativeImportedNamespace::find(const QByteArray& type, int *vmajor, in
 /*!
 \class QDeclarativeImportDatabase
 \brief The QDeclarativeImportDatabase class manages the QML imports for a QDeclarativeEngine.
+\internal
 */
 QDeclarativeImportDatabase::QDeclarativeImportDatabase(QDeclarativeEngine *e)
 : engine(e)
@@ -874,23 +928,33 @@ QString QDeclarativeImportDatabase::resolvePlugin(const QDir &qmldirPath, const
 #endif
 }
 
+/*!
+    \internal
+*/
 QStringList QDeclarativeImportDatabase::pluginPathList() const
 {
     return filePluginPath;
 }
 
+/*!
+    \internal
+*/
 void QDeclarativeImportDatabase::setPluginPathList(const QStringList &paths)
 {
     filePluginPath = paths;
 }
 
+/*!
+    \internal
+*/
 void QDeclarativeImportDatabase::addPluginPath(const QString& path)
 {
     if (qmlImportTrace())
         qDebug().nospace() << "QDeclarativeImportDatabase::addPluginPath: " << path;
 
     QUrl url = QUrl(path);
-    if (url.isRelative() || url.scheme() == QLatin1String("file")) {
+    if (url.isRelative() || url.scheme() == QLatin1String("file")
+            || (url.scheme().length() == 1 && QFile::exists(path)) ) {  // windows path
         QDir dir = QDir(path);
         filePluginPath.prepend(dir.canonicalPath());
     } else {
@@ -898,6 +962,9 @@ void QDeclarativeImportDatabase::addPluginPath(const QString& path)
     }
 }
 
+/*!
+    \internal
+*/
 void QDeclarativeImportDatabase::addImportPath(const QString& path)
 {
     if (qmlImportTrace())
@@ -909,7 +976,8 @@ void QDeclarativeImportDatabase::addImportPath(const QString& path)
     QUrl url = QUrl(path);
     QString cPath;
 
-    if (url.isRelative() || url.scheme() == QLatin1String("file")) {
+    if (url.isRelative() || url.scheme() == QLatin1String("file")
+            || (url.scheme().length() == 1 && QFile::exists(path)) ) {  // windows path
         QDir dir = QDir(path);
         cPath = dir.canonicalPath();
     } else {
@@ -922,17 +990,25 @@ void QDeclarativeImportDatabase::addImportPath(const QString& path)
         fileImportPath.prepend(cPath);
 }
 
+/*!
+    \internal
+*/
 QStringList QDeclarativeImportDatabase::importPathList() const
 {
     return fileImportPath;
 }
 
+/*!
+    \internal
+*/
 void QDeclarativeImportDatabase::setImportPathList(const QStringList &paths)
 {
     fileImportPath = paths;
 }
 
-
+/*!
+    \internal
+*/
 bool QDeclarativeImportDatabase::importPlugin(const QString &filePath, const QString &uri, QString *errorString)
 {
     if (qmlImportTrace())
diff --git a/src/declarative/qml/qdeclarativeworkerscript.cpp b/src/declarative/qml/qdeclarativeworkerscript.cpp
index 6283f92..f8d52b5 100644
--- a/src/declarative/qml/qdeclarativeworkerscript.cpp
+++ b/src/declarative/qml/qdeclarativeworkerscript.cpp
@@ -43,6 +43,7 @@
 #include "private/qdeclarativelistmodel_p.h"
 #include "private/qdeclarativelistmodelworkeragent_p.h"
 #include "private/qdeclarativeengine_p.h"
+#include "private/qdeclarativeexpression_p.h"
 
 #include <QtCore/qcoreevent.h>
 #include <QtCore/qcoreapplication.h>
@@ -104,6 +105,19 @@ private:
     int m_id;
 };
 
+class WorkerErrorEvent : public QEvent
+{
+public:
+    enum Type { WorkerError = WorkerRemoveEvent::WorkerRemove + 1 };
+
+    WorkerErrorEvent(const QDeclarativeError &error);
+
+    QDeclarativeError error() const;
+
+private:
+    QDeclarativeError m_error;
+};
+
 class QDeclarativeWorkerScriptEnginePrivate : public QObject
 {
     Q_OBJECT
@@ -146,6 +160,7 @@ public:
         WorkerScript();
 
         int id;
+        QUrl source;
         bool initialized;
         QDeclarativeWorkerScript *owner;
         QScriptValue object;
@@ -173,6 +188,7 @@ protected:
 private:
     void processMessage(int, const QVariant &);
     void processLoad(int, const QUrl &);
+    void reportScriptException(WorkerScript *);
 };
 
 QDeclarativeWorkerScriptEnginePrivate::QDeclarativeWorkerScriptEnginePrivate(QDeclarativeEngine *engine)
@@ -273,6 +289,11 @@ void QDeclarativeWorkerScriptEnginePrivate::processMessage(int id, const QVarian
         args.setProperty(0, variantToScriptValue(data, workerEngine));
 
         script->callback.call(script->object, args);
+
+        if (workerEngine->hasUncaughtException()) {
+            reportScriptException(script);
+            workerEngine->clearExceptions();
+        }
     }
 }
 
@@ -286,7 +307,7 @@ void QDeclarativeWorkerScriptEnginePrivate::processLoad(int id, const QUrl &url)
     QFile f(fileName);
     if (f.open(QIODevice::ReadOnly)) {
         QByteArray data = f.readAll();
-        QString script = QString::fromUtf8(data);
+        QString sourceCode = QString::fromUtf8(data);
 
         QScriptValue activation = getWorker(id);
 
@@ -296,10 +317,19 @@ void QDeclarativeWorkerScriptEnginePrivate::processLoad(int id, const QUrl &url)
         ctxt->pushScope(urlContext);
         ctxt->pushScope(activation);
         ctxt->setActivationObject(activation);
-        QDeclarativeScriptParser::extractPragmas(script);
+        QDeclarativeScriptParser::extractPragmas(sourceCode);
 
         workerEngine->baseUrl = url;
-        workerEngine->evaluate(script);
+        workerEngine->evaluate(sourceCode);
+
+        WorkerScript *script = workers.value(id);
+        if (script) {
+            script->source = url;
+            if (workerEngine->hasUncaughtException()) {
+                reportScriptException(script);
+                workerEngine->clearExceptions();
+            }
+        }
 
         workerEngine->popContext();
     } else {
@@ -307,6 +337,22 @@ void QDeclarativeWorkerScriptEnginePrivate::processLoad(int id, const QUrl &url)
     }
 }
 
+void QDeclarativeWorkerScriptEnginePrivate::reportScriptException(WorkerScript *script)
+{
+    if (!script || !workerEngine->hasUncaughtException())
+        return;
+
+    QDeclarativeError error;
+    QDeclarativeExpressionPrivate::exceptionToError(workerEngine, error);
+    error.setUrl(script->source);
+
+    QDeclarativeWorkerScriptEnginePrivate *p = QDeclarativeWorkerScriptEnginePrivate::get(workerEngine);
+
+    QMutexLocker(&p->m_lock);
+    if (script->owner)
+        QCoreApplication::postEvent(script->owner, new WorkerErrorEvent(error));
+}
+
 QVariant QDeclarativeWorkerScriptEnginePrivate::scriptValueToVariant(const QScriptValue &value)
 {
     if (value.isBool()) {
@@ -453,6 +499,16 @@ int WorkerRemoveEvent::workerId() const
     return m_id;
 }
 
+WorkerErrorEvent::WorkerErrorEvent(const QDeclarativeError &error)
+: QEvent((QEvent::Type)WorkerError), m_error(error)
+{
+}
+
+QDeclarativeError WorkerErrorEvent::error() const
+{
+    return m_error;
+}
+
 QDeclarativeWorkerScriptEngine::QDeclarativeWorkerScriptEngine(QDeclarativeEngine *parent)
 : QThread(parent), d(new QDeclarativeWorkerScriptEnginePrivate(parent))
 {
@@ -682,6 +738,10 @@ bool QDeclarativeWorkerScript::event(QEvent *event)
             emit message(value);
         }
         return true;
+    } else if (event->type() == (QEvent::Type)WorkerErrorEvent::WorkerError) {
+        WorkerErrorEvent *workerEvent = static_cast<WorkerErrorEvent *>(event);
+        QDeclarativeEnginePrivate::warning(qmlEngine(this), workerEvent->error());
+        return true;
     } else {
         return QObject::event(event);
     }
diff --git a/src/gui/dialogs/qfiledialog_symbian.cpp b/src/gui/dialogs/qfiledialog_symbian.cpp
index b8ea5e5..ed98950 100644
--- a/src/gui/dialogs/qfiledialog_symbian.cpp
+++ b/src/gui/dialogs/qfiledialog_symbian.cpp
@@ -54,6 +54,9 @@
 
 QT_BEGIN_NAMESPACE
 
+extern QStringList qt_make_filter_list(const QString &filter); // defined in qfiledialog.cpp
+extern QStringList qt_clean_filter_list(const QString &filter); // defined in qfiledialog.cpp
+
 enum DialogMode { DialogOpen, DialogSave, DialogFolder };
 #if defined(Q_WS_S60) && defined(SYMBIAN_VERSION_SYMBIAN3)
 class CExtensionFilter : public MAknFileFilter
@@ -61,56 +64,39 @@ class CExtensionFilter : public MAknFileFilter
 public:
     void setFilter(const QString filter)
     {
-        filterList.clear();
-        if (filter.left(2) == QLatin1String("*.")) {
-            //Filter has only extensions
-            filterList << filter.split(QLatin1String(" "));
-            return;
-        } else {
-            //Extensions are in parenthesis and there may be several filters
-            QStringList separatedFilters(filter.split(QLatin1String(";;")));
-            for (int i = 0; i < separatedFilters.size(); i++) {
-                if (separatedFilters.at(i).contains(QLatin1String("(*)"))) {
-                    filterList << QLatin1String("(*)");
-                    return;
-                }
-            }
-            QRegExp rx(QLatin1String("\\(([^\\)]*)\\)"));
-            int pos = 0;
-            while ((pos = rx.indexIn(filter, pos)) != -1) {
-                filterList << rx.cap(1).split(QLatin1String(" "));
-                pos += rx.matchedLength();
-            }
+        QStringList unparsedFiltersList = qt_make_filter_list(filter);
+        QStringList filterList;
+        filterRxList.clear();
+
+        foreach (QString unparsedFilter, unparsedFiltersList) {
+            filterList << qt_clean_filter_list(unparsedFilter);
+        }
+        foreach (QString currentFilter, filterList) {
+            QRegExp filterRx(currentFilter, Qt::CaseInsensitive, QRegExp::Wildcard);
+            filterRxList << filterRx;
         }
     }
 
     TBool Accept(const TDesC &/*aDriveAndPath*/, const TEntry &aEntry) const
     {
-        if (aEntry.IsDir())
-            return ETrue;
-
         //If no filter for files, all can be accepted
-        if (filterList.isEmpty())
+        if (filterRxList.isEmpty())
             return ETrue;
 
-        if (filterList == QStringList(QLatin1String("(*)")))
+        if (aEntry.IsDir())
             return ETrue;
 
-        for (int i = 0; i < filterList.size(); ++i) {
-            QString extension = filterList.at(i);
-            //remove '*' from the beginning of the extension
-            if (extension.at(0) == QLatin1Char('*'))
-                extension = extension.mid(1);
-
+        foreach (QRegExp rx, filterRxList) {
             QString fileName = qt_TDesC2QString(aEntry.iName);
-            if (fileName.endsWith(extension))
+            if (rx.exactMatch(fileName))
                 return ETrue;
         }
+
         return EFalse;
     }
 
 private:
-    QStringList filterList;
+    QList<QRegExp> filterRxList;
 };
 #endif
 
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 5e5077b..f997fc2 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -130,7 +130,7 @@
     item on the scene gains focus, the scene automatically gains focus. If the
     scene has focus, hasFocus() will return true, and key events will be
     forwarded to the focus item, if any. If the scene loses focus, (i.e.,
-    someone calls clearFocus(),) while an item has focus, the scene will
+    someone calls clearFocus()) while an item has focus, the scene will
     maintain its item focus information, and once the scene regains focus, it
     will make sure the last focus item regains focus.
 
@@ -806,28 +806,23 @@ void QGraphicsScenePrivate::setFocusItemHelper(QGraphicsItem *item,
     }
 
     if (focusItem) {
-        QFocusEvent event(QEvent::FocusOut, focusReason);
         lastFocusItem = focusItem;
-        focusItem = 0;
-        sendEvent(lastFocusItem, &event);
 
 #ifndef QT_NO_IM
         if (lastFocusItem
             && (lastFocusItem->flags() & QGraphicsItem::ItemAcceptsInputMethod)) {
-            // Reset any visible preedit text
-            QInputMethodEvent imEvent;
-            sendEvent(lastFocusItem, &imEvent);
-
             // Close any external input method panel. This happens
             // automatically by removing WA_InputMethodEnabled on
             // the views, but if we are changing focus, we have to
             // do it ourselves.
-            if (item) {
-                for (int i = 0; i < views.size(); ++i)
-                    if (views.at(i)->inputContext())
-                        views.at(i)->inputContext()->reset();
-            }
+            for (int i = 0; i < views.size(); ++i)
+                if (views.at(i)->inputContext())
+                    views.at(i)->inputContext()->reset();
         }
+
+        focusItem = 0;
+        QFocusEvent event(QEvent::FocusOut, focusReason);
+        sendEvent(lastFocusItem, &event);
 #endif //QT_NO_IM
     }
 
@@ -3104,8 +3099,8 @@ bool QGraphicsScene::stickyFocus() const
     \list
     \o If the item receives a mouse release event when there are no other
     buttons pressed, it loses the mouse grab.
-    \o If the item becomes invisible (i.e., someone calls \c {item->setVisible(false))},
-    or if it becomes disabled (i.e., someone calls \c {item->setEnabled(false))},
+    \o If the item becomes invisible (i.e., someone calls \c {item->setVisible(false)}),
+    or if it becomes disabled (i.e., someone calls \c {item->setEnabled(false)}),
     it loses the mouse grab.
     \o If the item is removed from the scene, it loses the mouse grab.
     \endlist
@@ -5941,6 +5936,8 @@ bool QGraphicsScenePrivate::sendTouchBeginEvent(QGraphicsItem *origin, QTouchEve
         }
         if (item->isPanel())
             break;
+        if (item->d_ptr->flags & QGraphicsItem::ItemStopsClickFocusPropagation)
+            break;
     }
 
     // If nobody could take focus, clear it.
@@ -5973,6 +5970,8 @@ bool QGraphicsScenePrivate::sendTouchBeginEvent(QGraphicsItem *origin, QTouchEve
         }
         if (item && item->isPanel())
             break;
+        if (item && (item->d_ptr->flags & QGraphicsItem::ItemStopsClickFocusPropagation))
+            break;
     }
 
     touchEvent->setAccepted(eventAccepted);
diff --git a/src/gui/image/qbmphandler.cpp b/src/gui/image/qbmphandler.cpp
index 09c086a..6dea9d9 100644
--- a/src/gui/image/qbmphandler.cpp
+++ b/src/gui/image/qbmphandler.cpp
@@ -246,6 +246,8 @@ static bool read_dib_body(QDataStream &s, const BMP_INFOHDR &bi, int offset, int
 
     if (depth != 32) {
         ncols = bi.biClrUsed ? bi.biClrUsed : 1 << nbits;
+        if (ncols > 256) // sanity check - don't run out of mem if color table is broken
+            return false;
         image.setColorCount(ncols);
     }
 
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index dbe8177..ca5f133 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -1012,6 +1012,33 @@ void QS60PixmapData::fromNativeType(void* pixmap, NativeType nativeType)
     }
 }
 
+void QS60PixmapData::convertToDisplayMode(int mode)
+{
+    const TDisplayMode displayMode = static_cast<TDisplayMode>(mode);
+    if (!cfbsBitmap || cfbsBitmap->DisplayMode() == displayMode)
+        return;
+    if (image.depth() != TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode)) {
+        qWarning("Cannot convert display mode due to depth mismatch");
+        return;
+    }
+
+    const TSize size = cfbsBitmap->SizeInPixels();
+    QScopedPointer<CFbsBitmap> newBitmap(createSymbianCFbsBitmap(size, displayMode));
+
+    const uchar *sptr = const_cast<const QImage &>(image).bits();
+    symbianBitmapDataAccess->beginDataAccess(newBitmap.data());
+    uchar *dptr = (uchar*)newBitmap->DataAddress();
+    Mem::Copy(dptr, sptr, image.byteCount());
+    symbianBitmapDataAccess->endDataAccess(newBitmap.data());
+
+    QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock);
+    delete cfbsBitmap;
+    lock.relock();
+    cfbsBitmap = newBitmap.take();
+    setSerialNumber(cfbsBitmap->Handle());
+    UPDATE_BUFFER();
+}
+
 QPixmapData *QS60PixmapData::createCompatiblePixmapData() const
 {
     return new QS60PixmapData(pixelType());
diff --git a/src/gui/image/qpixmap_s60_p.h b/src/gui/image/qpixmap_s60_p.h
index e4060dc..c440bbc 100644
--- a/src/gui/image/qpixmap_s60_p.h
+++ b/src/gui/image/qpixmap_s60_p.h
@@ -107,6 +107,8 @@ public:
     void* toNativeType(NativeType type);
     void fromNativeType(void* pixmap, NativeType type);
 
+    void convertToDisplayMode(int mode);
+
 private:
     void release();
     void fromSymbianBitmap(CFbsBitmap* bitmap, bool lockFormat=false);
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 40a7ec6..6bddb19 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -1245,12 +1245,14 @@ void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
 #ifdef Q_WS_S60
         // If widget is fullscreen/minimized, hide status pane and button container otherwise show them.
         QWidget *const window = qwidget->window();
-        const bool visible = !(window->windowState() & (Qt::WindowFullScreen | Qt::WindowMinimized));
-        const bool statusPaneVisibility = visible;
-        const bool isFullscreen = window->windowState() & Qt::WindowFullScreen;
-        const bool cbaVisibilityHint = window->windowFlags() & Qt::WindowSoftkeysVisibleHint;
-        const bool buttonGroupVisibility = (visible || (isFullscreen && cbaVisibilityHint));
-        S60->setStatusPaneAndButtonGroupVisibility(statusPaneVisibility, buttonGroupVisibility);
+        if (!window->parentWidget()) { // Only top level native windows have control over cba/status pane
+            const bool decorationsVisible = !(window->windowState() & (Qt::WindowFullScreen | Qt::WindowMinimized));
+            const bool statusPaneVisibility = decorationsVisible;
+            const bool isFullscreen = window->windowState() & Qt::WindowFullScreen;
+            const bool cbaVisibilityHint = window->windowFlags() & Qt::WindowSoftkeysVisibleHint;
+            const bool buttonGroupVisibility = (decorationsVisible || (isFullscreen && cbaVisibilityHint));
+            S60->setStatusPaneAndButtonGroupVisibility(statusPaneVisibility, buttonGroupVisibility);
+        }
 #endif
     } else if (QApplication::activeWindow() == qwidget->window()) {
         bool focusedControlFound = false;
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index f28868c..e0447cc 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -5656,10 +5656,21 @@ static void sm_performSaveYourself(QSessionManagerPrivate* smd)
     sm_setProperty(QString::fromLatin1(SmProgram), argument0);
     // tell the session manager about our user as well.
     struct passwd *entryPtr = 0;
-#if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD)
-    QVarLengthArray<char, 1024> buf(sysconf(_SC_GETPW_R_SIZE_MAX));
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && (_POSIX_THREAD_SAFE_FUNCTIONS - 0 > 0)
+    QVarLengthArray<char, 1024> buf(qMax<long>(sysconf(_SC_GETPW_R_SIZE_MAX), 1024L));
     struct passwd entry;
-    getpwuid_r(geteuid(), &entry, buf.data(), buf.size(), &entryPtr);
+    while (getpwuid_r(geteuid(), &entry, buf.data(), buf.size(), &entryPtr) == ERANGE) {
+        if (buf.size() >= 32768) {
+            // too big already, fail
+            static char badusername[] = "";
+            entryPtr = &entry;
+            entry.pw_name = badusername;
+            break;
+        }
+
+        // retry with a bigger buffer
+        buf.resize(buf.size() * 2);
+    }
 #else
     entryPtr = getpwuid(geteuid());
 #endif
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e542a59..7065e85 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -393,11 +393,24 @@ void QWidgetPrivate::scrollChildren(int dx, int dy)
     }
 }
 
+QInputContext *QWidgetPrivate::assignedInputContext() const
+{
+#ifndef QT_NO_IM
+    const QWidget *widget = q_func();
+    while (widget) {
+        if (QInputContext *qic = widget->d_func()->ic)
+            return qic;
+        widget = widget->parentWidget();
+    }
+#endif
+    return 0;
+}
+
 QInputContext *QWidgetPrivate::inputContext() const
 {
 #ifndef QT_NO_IM
-    if (ic)
-        return ic;
+    if (QInputContext *qic = assignedInputContext())
+        return qic;
     return qApp->inputContext();
 #else
     return 0;
@@ -10721,7 +10734,7 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
     case Qt::WA_InputMethodEnabled: {
 #ifndef QT_NO_IM
         QWidget *focusWidget = d->effectiveFocusWidget();
-        QInputContext *ic = focusWidget->d_func()->ic;
+        QInputContext *ic = focusWidget->d_func()->assignedInputContext();
         if (!ic && (!on || hasFocus()))
             ic = focusWidget->d_func()->inputContext();
         if (ic) {
@@ -11208,7 +11221,7 @@ void QWidget::updateMicroFocus()
 #if !defined(QT_NO_IM) && (defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN))
     Q_D(QWidget);
     // and optimization to update input context only it has already been created.
-    if (d->ic || qApp->d_func()->inputContext) {
+    if (d->assignedInputContext() || qApp->d_func()->inputContext) {
         QInputContext *ic = inputContext();
         if (ic)
             ic->update();
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 3759dd1..9f6ba6f 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -559,6 +559,7 @@ public:
     // sub-classes that their internals are about to be released.
     virtual void aboutToDestroy() {}
 
+    QInputContext *assignedInputContext() const;
     QInputContext *inputContext() const;
     inline QWidget *effectiveFocusWidget() {
         QWidget *w = q_func();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 8e4e99a..af9ae47 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -63,6 +63,19 @@
 // CCoeControl objects until after the CONE event handler has finished running.
 Q_DECLARE_METATYPE(WId)
 
+// Workaround for the fact that S60 SDKs 3.x do not contain the akntoolbar.h
+// header, even though the documentation says that it should be there, and indeed
+// it is present in the library.
+class CAknToolbar : public CAknControl,
+                    public MCoeControlObserver,
+                    public MCoeControlBackground,
+                    public MEikCommandObserver,
+                    public MAknFadedComponent
+{
+public:
+    IMPORT_C void SetToolbarVisibility(const TBool visible);
+};
+
 QT_BEGIN_NAMESPACE
 
 extern bool qt_nograb();
@@ -484,6 +497,7 @@ void QWidgetPrivate::show_sys()
 
          QSymbianControl *id = static_cast<QSymbianControl *>(q->internalWinId());
          const bool isFullscreen = q->windowState() & Qt::WindowFullScreen;
+         const TBool cbaRequested = q->windowFlags() & Qt::WindowSoftkeysVisibleHint;
 
 #ifdef Q_WS_S60
         // Lazily initialize the S60 screen furniture when the first window is shown.
@@ -503,11 +517,25 @@ void QWidgetPrivate::show_sys()
 
                     CEikButtonGroupContainer *cba = CEikButtonGroupContainer::NewL(CEikButtonGroupContainer::ECba,
                         CEikButtonGroupContainer::EHorizontal,ui,R_AVKON_SOFTKEYS_EMPTY_WITH_IDS);
+                    if (isFullscreen && !cbaRequested)
+                        cba->MakeVisible(false);
 
                     CEikButtonGroupContainer *oldCba = factory->SwapButtonGroup(cba);
                     Q_ASSERT(!oldCba);
                     S60->setButtonGroupContainer(cba);
 
+                    // If the creation of the first widget is delayed, for example by doing it
+                    // inside the event loop, S60 somehow "forgets" to set the visibility of the
+                    // toolbar (the three middle softkeys) when you flip the phone over, so we
+                    // need to do it ourselves to avoid a "hole" in the application, even though
+                    // Qt itself does not use the toolbar directly..
+                    CAknAppUi *appui = dynamic_cast<CAknAppUi *>(CEikonEnv::Static()->AppUi());
+                    if (appui) {
+                        CAknToolbar *toolbar = appui->PopupToolbar();
+                        if (toolbar && !toolbar->IsVisible())
+                            toolbar->SetToolbarVisibility(ETrue);
+                    }
+
                     CEikMenuBar *menuBar = new(ELeave) CEikMenuBar;
                     menuBar->ConstructL(ui, 0, R_AVKON_MENUPANE_EMPTY);
                     menuBar->SetMenuType(CEikMenuBar::EMenuOptions);
@@ -1156,14 +1184,17 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
         }
 
 #ifdef Q_WS_S60
-        // Hide window decoration when switching to fullsccreen / minimized otherwise show decoration.
-        // The window decoration visibility has to be changed before doing actual window state
-        // change since in that order the availableGeometry will return directly the right size and
-        // we will avoid unnecessarty redraws
-        const bool visible = !(newstate & (Qt::WindowFullScreen | Qt::WindowMinimized));
-        const bool statusPaneVisibility = visible;
-        const bool buttonGroupVisibility = (visible || (isFullscreen && cbaRequested));
-        S60->setStatusPaneAndButtonGroupVisibility(statusPaneVisibility, buttonGroupVisibility);
+        bool decorationsVisible(false);
+        if (!parentWidget()) { // Only top level native windows have control over cba/status pane
+            // Hide window decoration when switching to fullscreen / minimized otherwise show decoration.
+            // The window decoration visibility has to be changed before doing actual window state
+            // change since in that order the availableGeometry will return directly the right size and
+            // we will avoid unnecessary redraws
+            decorationsVisible = !(newstate & (Qt::WindowFullScreen | Qt::WindowMinimized));
+            const bool statusPaneVisibility = decorationsVisible;
+            const bool buttonGroupVisibility = (decorationsVisible || (isFullscreen && cbaRequested));
+            S60->setStatusPaneAndButtonGroupVisibility(statusPaneVisibility, buttonGroupVisibility);
+        }
 #endif // Q_WS_S60
 
         // Ensure the initial size is valid, since we store it as normalGeometry below.
@@ -1187,7 +1218,7 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
             // accurate because it did not consider the status pane. This means that when returning
             // normal mode after showing the status pane, the geometry would overlap so we should
             // move it if it never had an explicit position.
-            if (!wasMoved && S60->statusPane() && visible) {
+            if (!wasMoved && S60->statusPane() && decorationsVisible) {
                 TPoint tl = static_cast<CEikAppUi*>(S60->appUi())->ClientRect().iTl;
                 normalGeometry.setTopLeft(QPoint(tl.iX, tl.iY));
             }
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 28eb3f0..b0375ef 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -1318,40 +1318,12 @@ QPoint QWidgetPrivate::mapFromGlobal(const QPoint &pos) const
 QPoint QWidget::mapToGlobal(const QPoint &pos) const
 {
     Q_D(const QWidget);
-    QPoint offset = data->crect.topLeft();
-    const QWidget *w = this;
-    const QWidget *p = w->parentWidget();
-    while (!w->isWindow() && p) {
-        w = p;
-        p = p->parentWidget();
-        offset += w->data->crect.topLeft();
-    }
-
-    const QWidgetPrivate *wd = w->d_func();
-    QTLWExtra *tlw = wd->topData();
-    if (!tlw->embedded)
-        return pos + offset;
-
     return d->mapToGlobal(pos);
 }
 
 QPoint QWidget::mapFromGlobal(const QPoint &pos) const
 {
     Q_D(const QWidget);
-    QPoint offset = data->crect.topLeft();
-    const QWidget *w = this;
-    const QWidget *p = w->parentWidget();
-    while (!w->isWindow() && p) {
-        w = p;
-        p = p->parentWidget();
-        offset += w->data->crect.topLeft();
-    }
-
-    const QWidgetPrivate *wd = w->d_func();
-    QTLWExtra *tlw = wd->topData();
-    if (!tlw->embedded)
-        return pos - offset;
-
     return d->mapFromGlobal(pos);
 }
 
diff --git a/src/gui/painting/qdrawhelper_arm_simd.cpp b/src/gui/painting/qdrawhelper_arm_simd.cpp
index 806df29..af9854c 100644
--- a/src/gui/painting/qdrawhelper_arm_simd.cpp
+++ b/src/gui/painting/qdrawhelper_arm_simd.cpp
@@ -201,8 +201,8 @@ argb32constalpha_next_pixel
     uxtb16  r10, r9
     uxtb16  r6, r9, ror #8
 
-    // Negate r11 and extract src alpha
-    mvn     r9, r11 // bitwise not
+    // Negate r8 and extract src alpha
+    mvn     r9, r8 // bitwise not
     uxtb    r9, r9, ror #24
 
     mla     r10, r9, r10, r14
diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index 7dc5cb7..9f371a8 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -61,13 +61,11 @@ struct QS60WindowSurfacePrivate
     QList<QImage*> bufferImages;
 };
 
-QS60WindowSurface::QS60WindowSurface(QWidget* widget)
-    : QWindowSurface(widget), d_ptr(new QS60WindowSurfacePrivate)
+TDisplayMode displayMode(bool opaque)
 {
 
     TDisplayMode mode = S60->screenDevice()->DisplayMode();
-    bool isOpaque = qt_widget_private(widget)->isOpaque;
-    if (isOpaque) {
+    if (opaque) {
         mode = EColor16MU;
     } else  {
         if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_3)
@@ -75,7 +73,13 @@ QS60WindowSurface::QS60WindowSurface(QWidget* widget)
         else
             mode = EColor16MA; // Symbian prior to Symbian^3 sw accelerates EColor16MA
     }
+    return mode;
+}
 
+QS60WindowSurface::QS60WindowSurface(QWidget* widget)
+    : QWindowSurface(widget), d_ptr(new QS60WindowSurfacePrivate)
+{
+    TDisplayMode mode = displayMode(qt_widget_private(widget)->isOpaque);
     // We create empty CFbsBitmap here -> it will be resized in setGeometry
     CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
     qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );
@@ -121,6 +125,11 @@ void QS60WindowSurface::beginPaint(const QRegion &rgn)
 
     if (!qt_widget_private(window())->isOpaque) {
         QS60PixmapData *pixmapData = static_cast<QS60PixmapData *>(d_ptr->device.data_ptr().data());
+
+        TDisplayMode mode = displayMode(false);
+        if (pixmapData->cfbsBitmap->DisplayMode() != mode)
+            pixmapData->convertToDisplayMode(mode);
+
         pixmapData->beginDataAccess();
 
         QPainter p(&pixmapData->image);
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index 2b3dffc..a4e7c38 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -4248,7 +4248,7 @@ void QStyleSheetStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *op
         return;
 
     case PE_Widget:
-        if (!rule.hasDrawable()) {
+        if (w && !rule.hasDrawable()) {
             QWidget *container = containerWidget(w);
             if (autoFillDisabledWidgets->contains(container)
                 && (container == w || !renderRule(container, opt).hasBackground())) {
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index c1c3768..a1dcb63 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -525,7 +525,7 @@ QTextDocumentLayoutPrivate::QTextDocumentLayoutPrivate()
       lazyLayoutStepSize(1000),
       lastPageCount(-1),
       lineH(1),
-      lineHeightMode(QTextDocumentLayout::MultiplyHeight)
+      lineHeightMode(QTextDocumentLayout::ProportionalHeight)
 {
     showLayoutProgress = true;
     insideDocumentChange = false;
@@ -2644,7 +2644,9 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
 
             }
 
-            QFixed lineHeight = (lineHeightMode == QTextDocumentLayout::PixelHeight) ? QFixed::fromReal(lineH) : QFixed::fromReal(line.height() * lineH);
+            // TODO: replace with proper line height support in 4.8
+            QFixed lineHeight = (lineHeightMode == QTextDocumentLayout::FixedHeight)
+                    ? QFixed::fromReal(lineH) : QFixed::fromReal(line.height() * lineH);
 
             if (layoutStruct->pageHeight > 0 && layoutStruct->absoluteY() + lineHeight > layoutStruct->pageBottom) {
                 layoutStruct->newPage();
@@ -2720,7 +2722,7 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
     }
 }
 
-void QTextDocumentLayout::setLineHeight(qreal lineH, QTextDocumentLayout::LineHeightMode mode = QTextDocumentLayout::MultiplyHeight)
+void QTextDocumentLayout::setLineHeight(qreal lineH, QTextDocumentLayout::LineHeightMode mode = QTextDocumentLayout::ProportionalHeight)
 {
     Q_D(QTextDocumentLayout);
     d->lineH = lineH;
diff --git a/src/gui/text/qtextdocumentlayout_p.h b/src/gui/text/qtextdocumentlayout_p.h
index efc408b..3e3e485 100644
--- a/src/gui/text/qtextdocumentlayout_p.h
+++ b/src/gui/text/qtextdocumentlayout_p.h
@@ -109,7 +109,9 @@ protected:
     void drawInlineObject(QPainter *p, const QRectF &rect, QTextInlineObject item,
                           int posInDocument, const QTextFormat &format);
     virtual void timerEvent(QTimerEvent *e);
-    enum LineHeightMode { MultiplyHeight, PixelHeight };
+
+    // TODO: remove when we support line height properly in 4.8
+    enum LineHeightMode { ProportionalHeight, FixedHeight };
     void setLineHeight(qreal lineHeight, QTextDocumentLayout::LineHeightMode mode);
 
 private:
diff --git a/src/network/access/qnetworkaccessmanager.cpp b/src/network/access/qnetworkaccessmanager.cpp
index ea18367..5b518de 100644
--- a/src/network/access/qnetworkaccessmanager.cpp
+++ b/src/network/access/qnetworkaccessmanager.cpp
@@ -1369,10 +1369,11 @@ void QNetworkAccessManagerPrivate::createSession(const QNetworkConfiguration &co
 
     networkSession = QSharedNetworkSessionManager::getSession(config);
 
-    QObject::connect(networkSession.data(), SIGNAL(opened()), q, SIGNAL(networkSessionConnected()));
-    QObject::connect(networkSession.data(), SIGNAL(closed()), q, SLOT(_q_networkSessionClosed()));
+    QObject::connect(networkSession.data(), SIGNAL(opened()), q, SIGNAL(networkSessionConnected()), Qt::QueuedConnection);
+    //QueuedConnection is used to avoid deleting the networkSession inside its closed signal
+    QObject::connect(networkSession.data(), SIGNAL(closed()), q, SLOT(_q_networkSessionClosed()), Qt::QueuedConnection);
     QObject::connect(networkSession.data(), SIGNAL(stateChanged(QNetworkSession::State)),
-                     q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)));
+                     q, SLOT(_q_networkSessionStateChanged(QNetworkSession::State)), Qt::QueuedConnection);
 
     _q_networkSessionStateChanged(networkSession->state());
 }
diff --git a/src/network/bearer/qnetworksession.cpp b/src/network/bearer/qnetworksession.cpp
index b0b7d3d..9503553 100644
--- a/src/network/bearer/qnetworksession.cpp
+++ b/src/network/bearer/qnetworksession.cpp
@@ -250,6 +250,9 @@ QNetworkSession::QNetworkSession(const QNetworkConfiguration& connectionConfig,
             break;
         }
     }
+
+    qRegisterMetaType<QNetworkSession::State>();
+    qRegisterMetaType<QNetworkSession::SessionError>();
 }
 
 /*!
diff --git a/src/network/bearer/qnetworksession.h b/src/network/bearer/qnetworksession.h
index c51cb4f..e107c62 100644
--- a/src/network/bearer/qnetworksession.h
+++ b/src/network/bearer/qnetworksession.h
@@ -145,6 +145,9 @@ QT_END_NAMESPACE
 QTM_END_NAMESPACE
 #endif
 
+Q_DECLARE_METATYPE(QNetworkSession::State)
+Q_DECLARE_METATYPE(QNetworkSession::SessionError)
+
 QT_END_HEADER
 
 #endif // QT_NO_BEARERMANAGEMENT
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 9980f2d..43e80c1 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -586,6 +586,12 @@ QImage QGLPixmapData::toImage() const
     if (m_renderFbo) {
         copyBackFromRenderFbo(true);
     } else if (!m_source.isNull()) {
+        QImageData *data = const_cast<QImage &>(m_source).data_ptr();
+        if (data->paintEngine && data->paintEngine->isActive()
+            && data->paintEngine->paintDevice() == &m_source)
+        {
+            return m_source.copy();
+        }
         return m_source;
     } else if (m_dirty || m_hasFillColor) {
         return fillImage(m_fillColor);
diff --git a/src/openvg/qvg_symbian.cpp b/src/openvg/qvg_symbian.cpp
index 3ee1181..2ea38c1 100644
--- a/src/openvg/qvg_symbian.cpp
+++ b/src/openvg/qvg_symbian.cpp
@@ -147,7 +147,7 @@ void QVGPixmapData::fromNativeType(void* pixmap, NativeType type)
         destroyImages();
         prevSize = QSize();
 
-        VGImage vgImage = sgImageToVGImage(context, *sgImage);
+        vgImage = sgImageToVGImage(context, *sgImage);
         if (vgImage != VG_INVALID_HANDLE) {
             w = vgGetParameteri(vgImage, VG_IMAGE_WIDTH);
             h = vgGetParameteri(vgImage, VG_IMAGE_HEIGHT);
diff --git a/src/plugins/bearer/icd/dbusdispatcher.cpp b/src/plugins/bearer/icd/dbusdispatcher.cpp
index 5f9be74..13cd8a9 100644
--- a/src/plugins/bearer/icd/dbusdispatcher.cpp
+++ b/src/plugins/bearer/icd/dbusdispatcher.cpp
@@ -468,7 +468,7 @@ void DBusDispatcher::setupDBus()
         d_ptr->signal_vtable.message_function = signalHandler;
 
 	dbus_connection_set_exit_on_disconnect(d_ptr->connection, FALSE);
-        dbus_connection_setup_with_g_main(d_ptr->connection, NULL);
+        dbus_connection_setup_with_g_main(d_ptr->connection, g_main_context_get_thread_default());
         dbus_connection_register_object_path(d_ptr->connection, 
                                              d_ptr->signalPath.toLatin1(),
                                              &d_ptr->signal_vtable,
diff --git a/src/plugins/bearer/symbian/qnetworksession_impl.cpp b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
index 433eef6..741f8c5 100644
--- a/src/plugins/bearer/symbian/qnetworksession_impl.cpp
+++ b/src/plugins/bearer/symbian/qnetworksession_impl.cpp
@@ -1552,8 +1552,8 @@ void ConnectionProgressNotifier::StartNotifications()
 {
     if (!IsActive()) {
         SetActive();
+        iConnection.ProgressNotification(iProgress, iStatus);
     }
-    iConnection.ProgressNotification(iProgress, iStatus);
 }
 
 void ConnectionProgressNotifier::StopNotifications()
@@ -1569,10 +1569,10 @@ void ConnectionProgressNotifier::DoCancel()
 void ConnectionProgressNotifier::RunL()
 {
     if (iStatus == KErrNone) {
-        QT_TRYCATCH_LEAVING(iOwner.handleSymbianConnectionStatusChange(iProgress().iStage, iProgress().iError));
-    
         SetActive();
         iConnection.ProgressNotification(iProgress, iStatus);
+        // warning, this object may be deleted in the callback - do nothing after handleSymbianConnectionStatusChange
+        QT_TRYCATCH_LEAVING(iOwner.handleSymbianConnectionStatusChange(iProgress().iStage, iProgress().iError));
     }
 }
 
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
index 6639983..50e0f5f 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
@@ -300,40 +300,26 @@ void QDirectFBPixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags
 {
     alpha = QDirectFBPixmapData::hasAlphaChannel(img, flags);
     imageFormat = alpha ? screen->alphaPixmapFormat() : screen->pixelFormat();
+
     QImage image;
     if ((flags & ~Qt::NoOpaqueDetection) != Qt::AutoColor) {
         image = img.convertToFormat(imageFormat, flags);
         flags = Qt::AutoColor;
     } else if (img.format() == QImage::Format_RGB32 || img.depth() == 1) {
         image = img.convertToFormat(imageFormat, flags);
+    } else if (img.format() != imageFormat) {
+        image = img.convertToFormat(imageFormat, flags);
     } else {
         image = img;
     }
 
-    IDirectFBSurface *imageSurface = screen->createDFBSurface(image, image.format(), QDirectFBScreen::DontTrackSurface);
-    if (!imageSurface) {
-        qWarning("QDirectFBPixmapData::fromImage()");
-        invalidate();
-        return;
-    }
-
-    dfbSurface = screen->createDFBSurface(image.size(), imageFormat, QDirectFBScreen::TrackSurface);
+    dfbSurface = screen->createDFBSurface(image, image.format(), QDirectFBScreen::NoPreallocated | QDirectFBScreen::TrackSurface);
     if (!dfbSurface) {
         qWarning("QDirectFBPixmapData::fromImage()");
         invalidate();
         return;
     }
 
-    if (image.hasAlphaChannel()) {
-        dfbSurface->Clear(dfbSurface, 0, 0, 0, 0);
-        dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_BLEND_ALPHACHANNEL);
-    } else {
-        dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX);
-    }
-
-    dfbSurface->Blit(dfbSurface, imageSurface, 0, 0, 0);
-    imageSurface->Release(imageSurface);
-
     w = image.width();
     h = image.height();
     is_null = (w <= 0 || h <= 0);
diff --git a/src/plugins/plugins.pro b/src/plugins/plugins.pro
index 07825d9..afa0901 100644
--- a/src/plugins/plugins.pro
+++ b/src/plugins/plugins.pro
@@ -14,4 +14,4 @@ embedded:SUBDIRS *=  gfxdrivers decorations mousedrivers kbddrivers
 symbian:SUBDIRS += s60
 contains(QT_CONFIG, phonon): SUBDIRS *= phonon
 contains(QT_CONFIG, multimedia): SUBDIRS *= audio
-contains(QT_CONFIG, declarative): SUBDIRS *= qmldebugging
+contains(QT_CONFIG, declarative): SUBDIRS *= qmltooling
diff --git a/src/plugins/qmldebugging/qmldebugging.pro b/src/plugins/qmltooling/qmltooling.pro
index 01cf1a9..01cf1a9 100644
--- a/src/plugins/qmldebugging/qmldebugging.pro
+++ b/src/plugins/qmltooling/qmltooling.pro
diff --git a/src/plugins/qmldebugging/tcpserver/qtcpserverconnection.cpp b/src/plugins/qmltooling/tcpserver/qtcpserverconnection.cpp
index 69c1ef5..69c1ef5 100644
--- a/src/plugins/qmldebugging/tcpserver/qtcpserverconnection.cpp
+++ b/src/plugins/qmltooling/tcpserver/qtcpserverconnection.cpp
diff --git a/src/plugins/qmldebugging/tcpserver/qtcpserverconnection.h b/src/plugins/qmltooling/tcpserver/qtcpserverconnection.h
index a6e17e6..a6e17e6 100644
--- a/src/plugins/qmldebugging/tcpserver/qtcpserverconnection.h
+++ b/src/plugins/qmltooling/tcpserver/qtcpserverconnection.h
diff --git a/src/plugins/qmldebugging/tcpserver/tcpserver.pro b/src/plugins/qmltooling/tcpserver/tcpserver.pro
index e90fb34..f4f2666 100644
--- a/src/plugins/qmldebugging/tcpserver/tcpserver.pro
+++ b/src/plugins/qmltooling/tcpserver/tcpserver.pro
@@ -3,7 +3,7 @@ QT       += declarative network
 
 include(../../qpluginbase.pri)
 
-QTDIR_build:DESTDIR  = $$QT_BUILD_TREE/plugins/qmldebugging
+QTDIR_build:DESTDIR  = $$QT_BUILD_TREE/plugins/qmltooling
 QTDIR_build:REQUIRES += "contains(QT_CONFIG, declarative)"
 
 SOURCES += \
@@ -12,7 +12,7 @@ SOURCES += \
 HEADERS += \
     qtcpserverconnection.h
 
-target.path += $$[QT_INSTALL_PLUGINS]/qmldebugging
+target.path += $$[QT_INSTALL_PLUGINS]/qmltooling
 INSTALLS += target
 
 symbian:TARGET.UID3=0x20031E90 
\ No newline at end of file
diff --git a/src/script/api/qscriptcontext.cpp b/src/script/api/qscriptcontext.cpp
index 59ea52d..2468a46 100644
--- a/src/script/api/qscriptcontext.cpp
+++ b/src/script/api/qscriptcontext.cpp
@@ -299,6 +299,12 @@ QScriptValue QScriptContext::argumentsObject() const
 
     //for a js function
     if (frame->codeBlock() && frame->callee()) {
+        if (!QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) {
+            // We have a built-in JS host call.
+            // codeBlock is needed by retrieveArguments(), but since it
+            // contains junk, we would crash. Return an invalid value for now.
+            return QScriptValue();
+        }
         JSC::JSValue result = frame->interpreter()->retrieveArguments(frame, JSC::asFunction(frame->callee()));
         return QScript::scriptEngineFromExec(frame)->scriptValueFromJSCValue(result);
     }
@@ -309,7 +315,8 @@ QScriptValue QScriptContext::argumentsObject() const
     }
 
     //for a native function
-    if (!frame->optionalCalleeArguments()) {
+    if (!frame->optionalCalleeArguments()
+        && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) { // Make sure we don't go here for host JSFunctions
         Q_ASSERT(frame->argumentCount() > 0); //we need at least 'this' otherwise we'll crash later
         JSC::Arguments* arguments = new (&frame->globalData())JSC::Arguments(frame, JSC::Arguments::NoParameters);
         frame->setCalleeArguments(arguments);
diff --git a/src/script/api/qscriptcontextinfo.cpp b/src/script/api/qscriptcontextinfo.cpp
index db6b2d7..0f9de1d 100644
--- a/src/script/api/qscriptcontextinfo.cpp
+++ b/src/script/api/qscriptcontextinfo.cpp
@@ -157,7 +157,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
 
             JSC::Instruction *returnPC = rewindContext->returnPC();
             JSC::CodeBlock *codeBlock = frame->codeBlock();
-            if (returnPC && codeBlock) {
+            if (returnPC && codeBlock && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) {
 #if ENABLE(JIT)
                 unsigned bytecodeOffset = codeBlock->getBytecodeIndex(frame, JSC::ReturnAddressPtr(returnPC));
 #else
@@ -171,7 +171,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
 
     // Get the filename and the scriptId:
     JSC::CodeBlock *codeBlock = frame->codeBlock();
-    if (codeBlock) {
+    if (codeBlock && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) {
            JSC::SourceProvider *source = codeBlock->source();
            scriptId = source->asID();
            fileName = source->url();
@@ -181,7 +181,8 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
     JSC::JSObject *callee = frame->callee();
     if (callee && callee->inherits(&JSC::InternalFunction::info))
         functionName = JSC::asInternalFunction(callee)->name(frame);
-    if (callee && callee->inherits(&JSC::JSFunction::info)) {
+    if (callee && callee->inherits(&JSC::JSFunction::info)
+        && !JSC::asFunction(callee)->isHostFunction()) {
         functionType = QScriptContextInfo::ScriptFunction;
         JSC::FunctionExecutable *body = JSC::asFunction(callee)->jsExecutable();
         functionStartLineNumber = body->lineNo();
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 54039c0..d3e5f2f 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -858,7 +858,8 @@ JSC::JSValue JSC_HOST_CALL functionQsTr(JSC::ExecState *exec, JSC::JSObject*, JS
     {
         JSC::ExecState *frame = exec->callerFrame()->removeHostCallFrameFlag();
         while (frame) {
-            if (frame->codeBlock() && frame->codeBlock()->source()
+            if (frame->codeBlock() && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)
+                && frame->codeBlock()->source()
                 && !frame->codeBlock()->source()->url().isEmpty()) {
                 context = engine->translationContextFromUrl(frame->codeBlock()->source()->url());
                 break;
@@ -2761,9 +2762,7 @@ JSC::CallFrame *QScriptEnginePrivate::pushContext(JSC::CallFrame *exec, JSC::JSV
         if (!clearScopeChain) {
             newCallFrame->init(0, /*vPC=*/0, exec->scopeChain(), exec, flags | ShouldRestoreCallFrame, argc, callee);
         } else {
-            JSC::JSObject *jscObject = originalGlobalObject();
-            JSC::ScopeChainNode *scn = new JSC::ScopeChainNode(0, jscObject, &exec->globalData(), exec->lexicalGlobalObject(), jscObject);
-            newCallFrame->init(0, /*vPC=*/0, scn, exec, flags | ShouldRestoreCallFrame, argc, callee);
+            newCallFrame->init(0, /*vPC=*/0, globalExec()->scopeChain(), exec, flags | ShouldRestoreCallFrame, argc, callee);
         }
     } else {
         setContextFlags(newCallFrame, flags);
diff --git a/src/script/api/qscriptengine_p.h b/src/script/api/qscriptengine_p.h
index f8144e9..94d195e 100644
--- a/src/script/api/qscriptengine_p.h
+++ b/src/script/api/qscriptengine_p.h
@@ -56,6 +56,7 @@
 #include "Debugger.h"
 #include "ErrorInstance.h"
 #include "JSArray.h"
+#include "Executable.h"
 #include "Lexer.h"
 #include "RefPtr.h"
 #include "RegExpConstructor.h"
@@ -231,6 +232,8 @@ public:
     static inline JSC::ExecState *frameForContext(QScriptContext *context);
     static inline const JSC::ExecState *frameForContext(const QScriptContext *context);
 
+    static inline bool hasValidCodeBlockRegister(JSC::ExecState *frame);
+
     JSC::JSGlobalObject *originalGlobalObject() const;
     JSC::JSObject *getOriginalGlobalObjectProxy();
     JSC::JSObject *customGlobalObject() const;
@@ -862,6 +865,21 @@ inline const JSC::ExecState *QScriptEnginePrivate::frameForContext(const QScript
     return reinterpret_cast<const JSC::ExecState*>(context);
 }
 
+inline bool QScriptEnginePrivate::hasValidCodeBlockRegister(JSC::ExecState *frame)
+{
+#if ENABLE(JIT)
+    // Frames created by the VM don't have their CodeBlock register
+    // initialized. We can detect such frames by checking if the
+    // callee is a host JSFunction.
+    JSC::JSObject *callee = frame->callee();
+    return !(callee && callee->inherits(&JSC::JSFunction::info)
+             && JSC::asFunction(callee)->isHostFunction());
+#else
+    Q_UNUSED(frame);
+    return true;
+#endif
+}
+
 inline JSC::ExecState *QScriptEnginePrivate::globalExec() const
 {
     return originalGlobalObject()->globalExec();
diff --git a/src/sql/sql.pro b/src/sql/sql.pro
index b8f819d..a02b0f4 100644
--- a/src/sql/sql.pro
+++ b/src/sql/sql.pro
@@ -20,7 +20,10 @@ include(models/models.pri)
 symbian: {
     TARGET.UID3=0x2001E61D
 
-    # Workaroud for problems with paging this dll
-    MMP_RULES -= PAGED
-    MMP_RULES *= UNPAGED
+    # Problems using data exports from this DLL mean that we can't page it on releases that don't support
+    # data exports (currently that's any release before Symbian^3)
+    pagingBlock = "$${LITERAL_HASH}ifndef SYMBIAN_DLL_DATA_EXPORTS_SUPPORTED" \
+                  "UNPAGED" \
+                  "$${LITERAL_HASH}endif"
+    MMP_RULES += pagingBlock
 }