Merge branch 4.7 into qt-4.8-from-4.7

Conflicts:
	doc/src/index.qdoc
	src/xmlpatterns/expr/qevaluationcache_p.h

35 files changed, 232 insertions, 222 deletions

diff --git a/src/corelib/tools/qline.cpp b/src/corelib/tools/qline.cpp
index 0f67652..af3b7d5 100644
--- a/src/corelib/tools/qline.cpp
+++ b/src/corelib/tools/qline.cpp
@@ -564,9 +564,8 @@ qreal QLineF::length() const
 
     Returns the angle of the line in degrees.
 
-    The return value will be in the range of values from 0.0 up to but not
-    including 360.0. The angles are measured counter-clockwise from a point
-    on the x-axis to the right of the origin (x > 0).
+    Positive values for the angles mean counter-clockwise while negative values
+    mean the clockwise direction. Zero degrees is at the 3 o'clock position.
 
     \sa setAngle()
 */
diff --git a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp b/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
index b1ebec8..8787a5e 100644
--- a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp
@@ -114,7 +114,7 @@ QT_BEGIN_NAMESPACE
 
 /*!
     \qmlproperty bool AnimatedImage::cache
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Specifies whether the image should be cached. The default value is
     true. Setting \a cache to false is useful when dealing with large images,
@@ -123,7 +123,7 @@ QT_BEGIN_NAMESPACE
 
 /*!
     \qmlproperty bool AnimatedImage::mirror
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds whether the image should be horizontally inverted
     (effectively displaying a mirrored image).
diff --git a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
index 4b4efb6..9c274e9 100644
--- a/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeborderimage.cpp
@@ -215,7 +215,7 @@ QDeclarativeBorderImage::~QDeclarativeBorderImage()
 
 /*!
     \qmlproperty bool BorderImage::cache
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Specifies whether the image should be cached. The default value is
     true. Setting \a cache to false is useful when dealing with large images,
@@ -224,7 +224,7 @@ QDeclarativeBorderImage::~QDeclarativeBorderImage()
 
 /*!
     \qmlproperty bool BorderImage::mirror
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds whether the image should be horizontally inverted
     (effectively displaying a mirrored image).
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index fd2dc45..d5c58df 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -1399,7 +1399,7 @@ void QDeclarativeFlickable::setContentHeight(qreal h)
 /*!
     \qmlmethod Flickable::resizeContent(real width, real height, QPointF center)
     \preliminary
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Resizes the content to \a width x \a height about \a center.
 
@@ -1439,7 +1439,7 @@ void QDeclarativeFlickable::resizeContent(qreal w, qreal h, QPointF center)
 /*!
     \qmlmethod Flickable::returnToBounds()
     \preliminary
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Ensures the content is within legal bounds.
 
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp
index e53472d..23433d6 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp
@@ -2618,7 +2618,7 @@ void QDeclarativeGridView::positionViewAtIndex(int index, int mode)
 /*!
     \qmlmethod GridView::positionViewAtBeginning()
     \qmlmethod GridView::positionViewAtEnd()
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Positions the view at the beginning or end, taking into account any header or footer.
 
diff --git a/src/declarative/graphicsitems/qdeclarativeimage.cpp b/src/declarative/graphicsitems/qdeclarativeimage.cpp
index 9b9d680..e6bb798 100644
--- a/src/declarative/graphicsitems/qdeclarativeimage.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeimage.cpp
@@ -473,7 +473,7 @@ QRectF QDeclarativeImage::boundingRect() const
 
 /*!
     \qmlproperty bool Image::cache
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Specifies whether the image should be cached. The default value is
     true. Setting \a cache to false is useful when dealing with large images,
@@ -482,7 +482,7 @@ QRectF QDeclarativeImage::boundingRect() const
 
 /*!
     \qmlproperty bool Image::mirror
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds whether the image should be horizontally inverted
     (effectively displaying a mirrored image).
diff --git a/src/declarative/graphicsitems/qdeclarativeitem.cpp b/src/declarative/graphicsitems/qdeclarativeitem.cpp
index d36d163..805ca4d 100644
--- a/src/declarative/graphicsitems/qdeclarativeitem.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeitem.cpp
@@ -3480,7 +3480,7 @@ qreal QDeclarativeItem::implicitHeight() const
 /*!
     \qmlproperty real Item::implicitWidth
     \qmlproperty real Item::implicitHeight
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Defines the natural width or height of the Item if no \l width or \l height is specified.
 
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index f0fc96b..f29f778 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -3028,7 +3028,7 @@ void QDeclarativeListView::positionViewAtIndex(int index, int mode)
 /*!
     \qmlmethod ListView::positionViewAtBeginning()
     \qmlmethod ListView::positionViewAtEnd()
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Positions the view at the beginning or end, taking into account any header or footer.
 
diff --git a/src/declarative/graphicsitems/qdeclarativemousearea.cpp b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
index 0e06a4c..18f008a 100644
--- a/src/declarative/graphicsitems/qdeclarativemousearea.cpp
+++ b/src/declarative/graphicsitems/qdeclarativemousearea.cpp
@@ -419,7 +419,7 @@ void QDeclarativeMouseArea::setEnabled(bool a)
 
 /*!
     \qmlproperty bool MouseArea::preventStealing
-    \since QtQuick 1.1
+    \since Quick 1.1
     This property holds whether the mouse events may be stolen from this
     MouseArea.
 
diff --git a/src/declarative/graphicsitems/qdeclarativepositioners.cpp b/src/declarative/graphicsitems/qdeclarativepositioners.cpp
index 483cad4..f3d1a68 100644
--- a/src/declarative/graphicsitems/qdeclarativepositioners.cpp
+++ b/src/declarative/graphicsitems/qdeclarativepositioners.cpp
@@ -584,7 +584,7 @@ QDeclarativeRow::QDeclarativeRow(QDeclarativeItem *parent)
 
 /*!
     \qmlproperty enumeration Row::layoutDirection
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds the layoutDirection of the row.
 
@@ -878,7 +878,7 @@ void QDeclarativeGrid::setFlow(Flow flow)
 
 /*!
     \qmlproperty enumeration Grid::layoutDirection
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds the layout direction of the layout.
 
@@ -1236,7 +1236,7 @@ void QDeclarativeFlow::setFlow(Flow flow)
 
 /*!
     \qmlproperty enumeration Flow::layoutDirection
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This property holds the layout direction of the layout.
 
diff --git a/src/declarative/graphicsitems/qdeclarativerepeater.cpp b/src/declarative/graphicsitems/qdeclarativerepeater.cpp
index e881b96..813c255 100644
--- a/src/declarative/graphicsitems/qdeclarativerepeater.cpp
+++ b/src/declarative/graphicsitems/qdeclarativerepeater.cpp
@@ -128,7 +128,7 @@ QDeclarativeRepeaterPrivate::~QDeclarativeRepeaterPrivate()
 
 /*!
     \qmlsignal Repeater::onItemAdded(int index, Item item)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This handler is called when an item is added to the repeater. The \a index
     parameter holds the index at which the item has been inserted within the
@@ -137,7 +137,7 @@ QDeclarativeRepeaterPrivate::~QDeclarativeRepeaterPrivate()
 
 /*!
     \qmlsignal Repeater::onItemRemoved(int index, Item item)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This handler is called when an item is removed from the repeater. The \a index
     parameter holds the index at which the item was removed from the repeater,
@@ -306,7 +306,7 @@ int QDeclarativeRepeater::count() const
 
 /*!
     \qmlmethod Item Repeater::itemAt(index)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Returns the \l Item that has been created at the given \a index, or \c null
     if no item exists at \a index.
diff --git a/src/declarative/graphicsitems/qdeclarativetext.cpp b/src/declarative/graphicsitems/qdeclarativetext.cpp
index 20e4eef..54ff406 100644
--- a/src/declarative/graphicsitems/qdeclarativetext.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetext.cpp
@@ -1190,7 +1190,7 @@ void QDeclarativeText::setWrapMode(WrapMode mode)
 
 /*!
     \qmlproperty int Text::lineCount
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Returns the number of lines visible in the text item.
 
@@ -1206,7 +1206,7 @@ int QDeclarativeText::lineCount() const
 
 /*!
     \qmlproperty bool Text::truncated
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Returns true if the text has been truncated due to \l maximumLineCount
     or \l elide.
@@ -1223,7 +1223,7 @@ bool QDeclarativeText::truncated() const
 
 /*!
     \qmlproperty int Text::maximumLineCount
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Set this property to limit the number of lines that the text item will show.
     If elide is set to Text.ElideRight, the text will be elided appropriately.
@@ -1457,7 +1457,7 @@ qreal QDeclarativeText::paintedHeight() const
 
 /*!
     \qmlproperty real Text::lineHeight
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Sets the line height for the text.
     The value can be in pixels or a multiplier depending on lineHeightMode.
diff --git a/src/declarative/graphicsitems/qdeclarativetextedit.cpp b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
index ca7e948..0ea7ff3 100644
--- a/src/declarative/graphicsitems/qdeclarativetextedit.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextedit.cpp
@@ -107,7 +107,7 @@ TextEdit {
 
 /*!
     \qmlsignal TextEdit::onLinkActivated(string link)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This handler is called when the user clicks on a link embedded in the text.
     The link must be in rich text or HTML format and the
@@ -546,7 +546,15 @@ bool QDeclarativeTextEditPrivate::determineHorizontalAlignment()
 {
     Q_Q(QDeclarativeTextEdit);
     if (hAlignImplicit && q->isComponentComplete()) {
-        bool alignToRight = text.isEmpty() ? QApplication::keyboardInputDirection() == Qt::RightToLeft : rightToLeftText;
+        bool alignToRight;
+        if (text.isEmpty()) {
+            const QString preeditText = control->textCursor().block().layout()->preeditAreaText();
+            alignToRight = preeditText.isEmpty()
+                    ? QApplication::keyboardInputDirection() == Qt::RightToLeft
+                    : preeditText.isRightToLeft();
+        } else {
+            alignToRight = rightToLeftText;
+        }
         return setHAlign(alignToRight ? QDeclarativeTextEdit::AlignRight : QDeclarativeTextEdit::AlignLeft);
     }
     return false;
@@ -615,7 +623,7 @@ void QDeclarativeTextEdit::setWrapMode(WrapMode mode)
 
 /*!
     \qmlproperty int TextEdit::lineCount
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Returns the total number of lines in the textEdit item.
 */
@@ -709,7 +717,7 @@ void QDeclarativeTextEdit::moveCursorSelection(int pos)
 
 /*!
     \qmlmethod void TextEdit::moveCursorSelection(int position, SelectionMode mode = TextEdit.SelectCharacters)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Moves the cursor to \a position and updates the selection according to the optional \a mode
     parameter. (To only move the cursor, set the \l cursorPosition property.)
@@ -1074,7 +1082,7 @@ void QDeclarativeTextEdit::setSelectByMouse(bool on)
 
 /*!
     \qmlproperty enum TextEdit::mouseSelectionMode
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Specifies how text should be selected using a mouse.
 
@@ -1220,7 +1228,7 @@ void QDeclarativeTextEditPrivate::focusChanged(bool hasFocus)
 
 /*!
     \qmlmethod void TextEdit::deselect()
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Removes active text selection.
 */
@@ -1581,6 +1589,7 @@ void QDeclarativeTextEdit::q_textChanged()
 void QDeclarativeTextEdit::moveCursorDelegate()
 {
     Q_D(QDeclarativeTextEdit);
+    d->determineHorizontalAlignment();
     updateMicroFocus();
     emit cursorRectangleChanged();
     if(!d->cursor)
diff --git a/src/declarative/graphicsitems/qdeclarativetextedit_p_p.h b/src/declarative/graphicsitems/qdeclarativetextedit_p_p.h
index 412d33c..731d956 100644
--- a/src/declarative/graphicsitems/qdeclarativetextedit_p_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextedit_p_p.h
@@ -77,7 +77,7 @@ public:
       yoff(0)
     {
 #ifdef Q_OS_SYMBIAN
-        if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_1) {
+        if (QSysInfo::symbianVersion() == QSysInfo::SV_SF_1 || QSysInfo::symbianVersion() == QSysInfo::SV_SF_3) {
             showInputPanelOnFocus = false;
         }
 #endif
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
index 5245236..23c41e8 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp
+++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp
@@ -407,7 +407,11 @@ bool QDeclarativeTextInputPrivate::determineHorizontalAlignment()
     if (hAlignImplicit) {
         // if no explicit alignment has been set, follow the natural layout direction of the text
         QString text = control->text();
-        bool isRightToLeft = text.isEmpty() ? QApplication::keyboardInputDirection() == Qt::RightToLeft : text.isRightToLeft();
+        if (text.isEmpty())
+            text = control->preeditAreaText();
+        bool isRightToLeft = text.isEmpty()
+                ? QApplication::keyboardInputDirection() == Qt::RightToLeft
+                : text.isRightToLeft();
         return setHAlign(isRightToLeft ? QDeclarativeTextInput::AlignRight : QDeclarativeTextInput::AlignLeft);
     }
     return false;
@@ -1010,7 +1014,7 @@ int QDeclarativeTextInput::positionAt(int x) const
 
 /*!
     \qmlmethod int TextInput::positionAt(int x, CursorPosition position = CursorBetweenCharacters)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     This function returns the character position at
     x pixels from the left of the textInput. Position 0 is before the
@@ -1398,7 +1402,7 @@ QVariant QDeclarativeTextInput::inputMethodQuery(Qt::InputMethodQuery property)
 
 /*!
     \qmlmethod void TextInput::deselect()
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Removes active text selection.
 */
@@ -1570,7 +1574,7 @@ void QDeclarativeTextInput::setSelectByMouse(bool on)
 
 /*!
     \qmlproperty enum TextInput::mouseSelectionMode
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Specifies how text should be selected using a mouse.
 
@@ -1618,7 +1622,7 @@ void QDeclarativeTextInput::moveCursorSelection(int position)
 
 /*!
     \qmlmethod void TextInput::moveCursorSelection(int position, SelectionMode mode = TextInput.SelectCharacters)
-    \since QtQuick 1.1
+    \since Quick 1.1
 
     Moves the cursor to \a position and updates the selection according to the optional \a mode
     parameter.  (To only move the cursor, set the \l cursorPosition property.)
@@ -1906,6 +1910,7 @@ void QDeclarativeTextInput::cursorPosChanged()
 void QDeclarativeTextInput::updateCursorRectangle()
 {
     Q_D(QDeclarativeTextInput);
+    d->determineHorizontalAlignment();
     d->updateHorizontalScroll();
     updateRect();//TODO: Only update rect between pos's
     updateMicroFocus();
diff --git a/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h b/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
index 0325016..4712c65 100644
--- a/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
+++ b/src/declarative/graphicsitems/qdeclarativetextinput_p_p.h
@@ -80,7 +80,7 @@ public:
                  selectPressed(false)
     {
 #ifdef Q_OS_SYMBIAN
-        if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_1) {
+        if (QSysInfo::symbianVersion() == QSysInfo::SV_SF_1 || QSysInfo::symbianVersion() == QSysInfo::SV_SF_3) {
             showInputPanelOnFocus = false;
         }
 #endif
diff --git a/src/gui/inputmethod/qcoefepinputcontext_p.h b/src/gui/inputmethod/qcoefepinputcontext_p.h
index 8c30838..9857015 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_p.h
+++ b/src/gui/inputmethod/qcoefepinputcontext_p.h
@@ -154,7 +154,6 @@ private:
     TUint m_textCapabilities;
     bool m_inDestruction;
     bool m_pendingInputCapabilitiesChanged;
-    bool m_pendingTransactionCancel;
     int m_cursorVisibility;
     int m_inlinePosition;
     MFepInlineTextFormatRetriever *m_formatRetriever;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 75ce9e0..5ddd53f 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -64,8 +64,6 @@
 #define QT_EAknCursorPositionChanged MAknEdStateObserver::EAknEdwinStateEvent(6)
 // MAknEdStateObserver::EAknActivatePenInputRequest
 #define QT_EAknActivatePenInputRequest MAknEdStateObserver::EAknEdwinStateEvent(7)
-// MAknEdStateObserver::EAknClosePenInputRequest
-#define QT_EAknClosePenInputRequest MAknEdStateObserver::EAknEdwinStateEvent(10)
 
 // EAknEditorFlagSelectionVisible is only valid from 3.2 onwards.
 // Sym^3 AVKON FEP manager expects that this flag is used for FEP-aware editors
@@ -109,7 +107,6 @@ QCoeFepInputContext::QCoeFepInputContext(QObject *parent)
       m_textCapabilities(TCoeInputCapabilities::EAllText),
       m_inDestruction(false),
       m_pendingInputCapabilitiesChanged(false),
-      m_pendingTransactionCancel(false),
       m_cursorVisibility(1),
       m_inlinePosition(0),
       m_formatRetriever(0),
@@ -255,6 +252,9 @@ bool QCoeFepInputContext::needsInputPanel()
 
 bool QCoeFepInputContext::filterEvent(const QEvent *event)
 {
+    // The CloseSoftwareInputPanel event is not handled here, because the VK will automatically
+    // close when it discovers that the underlying widget does not have input capabilities.
+
     if (!focusWidget())
         return false;
 
@@ -318,12 +318,6 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
     if (!needsInputPanel())
         return false;
 
-    if ((event->type() == QEvent::CloseSoftwareInputPanel)
-        && (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0)) {
-        m_fepState->ReportAknEdStateEventL(QT_EAknClosePenInputRequest);
-        return false;
-    }
-
     if (event->type() == QEvent::RequestSoftwareInputPanel) {
         // Only request virtual keyboard if it is not yet active or if this is the first time
         // panel is requested for this application.
@@ -360,6 +354,10 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
             if (sControl) {
                 sControl->setIgnoreFocusChanged(false);
             }
+            //If m_pointerHandler has already been set, it means that fep inline editing is in progress.
+            //When this is happening, do not filter out pointer events.
+            if (!m_pointerHandler)
+                return true;
         }
     }
 
@@ -476,7 +474,7 @@ void QCoeFepInputContext::resetSplitViewWidget(bool keepInputWidget)
 
     if (!alwaysResize) {
         if (gv->scene()) {
-            if (gv->scene()->focusItem() && S60->partial_keyboardAutoTranslation) {
+            if (gv->scene()->focusItem()) {
                 // Check if the widget contains cursorPositionChanged signal and disconnect from it.
                 QByteArray signal = QMetaObject::normalizedSignature(SIGNAL(cursorPositionChanged()));
                 int index = gv->scene()->focusItem()->toGraphicsObject()->metaObject()->indexOfSignal(signal.right(signal.length() - 1));
@@ -582,7 +580,7 @@ void QCoeFepInputContext::ensureFocusWidgetVisible(QWidget *widget)
     if (!moveWithinVisibleArea) {
         // Check if the widget contains cursorPositionChanged signal and connect to it.
         QByteArray signal = QMetaObject::normalizedSignature(SIGNAL(cursorPositionChanged()));
-        if (gv->scene() && gv->scene()->focusItem() && S60->partial_keyboardAutoTranslation) {
+        if (gv->scene() && gv->scene()->focusItem()) {
             int index = gv->scene()->focusItem()->toGraphicsObject()->metaObject()->indexOfSignal(signal.right(signal.length() - 1));
             if (index != -1)
                 connect(gv->scene()->focusItem()->toGraphicsObject(), SIGNAL(cursorPositionChanged()), this, SLOT(translateInputWidget()));
@@ -1064,24 +1062,15 @@ void QCoeFepInputContext::CancelFepInlineEdit()
     // We are not supposed to ever have a tempPreeditString and a real preedit string
     // from S60 at the same time, so it should be safe to rely on this test to determine
     // whether we should honor S60's request to clear the text or not.
-    if (m_hasTempPreeditString || m_pendingTransactionCancel)
+    if (m_hasTempPreeditString)
         return;
 
-    m_pendingTransactionCancel = true;
-
     QList<QInputMethodEvent::Attribute> attributes;
     QInputMethodEvent event(QLatin1String(""), attributes);
     event.setCommitString(QLatin1String(""), 0, 0);
     m_preeditString.clear();
     m_inlinePosition = 0;
     sendEvent(event);
-
-    // Sync with native side editor state. Native side can then do various operations
-    // based on editor state, such as removing 'exact word bubble'.
-    if (!m_pendingInputCapabilitiesChanged)
-        ReportAknEdStateEvent(MAknEdStateObserver::EAknSyncEdwinState);
-
-    m_pendingTransactionCancel = false;
 }
 
 TInt QCoeFepInputContext::DocumentLengthForFep() const
@@ -1091,18 +1080,7 @@ TInt QCoeFepInputContext::DocumentLengthForFep() const
         return 0;
 
     QVariant variant = w->inputMethodQuery(Qt::ImSurroundingText);
-
-    int size = variant.value<QString>().size() + m_preeditString.size();
-
-    // To fix an issue with backspaces not being generated if document size is zero,
-    // fake document length to be at least one always, except when dealing with
-    // hidden text widgets, where this faking would generate extra asterisk. Since the
-    // primary use of hidden text widgets is password fields, they are unlikely to
-    // support multiple lines anyway.
-    if (size == 0 && !(m_textCapabilities & TCoeInputCapabilities::ESecretText))
-        size = 1;
-
-    return size;
+    return variant.value<QString>().size() + m_preeditString.size();
 }
 
 TInt QCoeFepInputContext::DocumentMaximumLengthForFep() const
@@ -1185,12 +1163,6 @@ void QCoeFepInputContext::GetEditorContentForFep(TDes& aEditorContent, TInt aDoc
     // FEP expects the preedit string to be part of the editor content, so let's mix it in.
     int cursor = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
     text.insert(cursor, m_preeditString);
-
-    // Add additional space to empty non-password text to compensate
-    // for the fake length we specified in DocumentLengthForFep().
-    if (text.size() == 0 && !(m_textCapabilities & TCoeInputCapabilities::ESecretText))
-        text += QChar(0x20);
-
     aEditorContent.Copy(qt_QString2TPtrC(text.mid(aDocumentPosition, aLengthToRetrieve)));
 }
 
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 5ac9803..c71b982 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -2752,9 +2752,6 @@ QS60ThreadLocalData::QS60ThreadLocalData()
 
 QS60ThreadLocalData::~QS60ThreadLocalData()
 {
-    for (int i = 0; i < releaseFuncs.count(); ++i)
-        releaseFuncs[i]();
-    releaseFuncs.clear();
     if (!usingCONEinstances) {
         delete screenDevice;
         wsSession.Close();
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 5fc72d4..117b72f 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -933,7 +933,7 @@ QKeySequence::QKeySequence(const QString &key)
 }
 
 /*!
-    \since 4.7
+    \since 4.x
     Creates a key sequence from the \a key string based on \a format.
 */
 QKeySequence::QKeySequence(const QString &key, QKeySequence::SequenceFormat format)
@@ -1130,7 +1130,7 @@ int QKeySequence::assign(const QString &ks)
 
 /*!
     \fn int QKeySequence::assign(const QString &keys, QKeySequence::SequenceFormat format)
-    \since 4.7
+    \since 4.x
 
     Adds the given \a keys to the key sequence (based on \a format).
     \a keys may contain up to four key codes, provided they are
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 9caa37e..510705f 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -123,10 +123,8 @@ QAction *QSoftKeyManager::createAction(StandardSoftKey standardKey, QWidget *act
     default:
         break;
     };
-    if (key != 0) {
+    if (key != 0)
         QSoftKeyManager::instance()->d_func()->softKeyCommandActions.insert(action, key);
-        connect(action, SIGNAL(destroyed(QObject*)), QSoftKeyManager::instance(), SLOT(cleanupHash(QObject*)));
-    }
 #endif
     QAction::SoftKeyRole softKeyRole = QAction::NoSoftKey;
     switch (standardKey) {
@@ -159,13 +157,7 @@ QAction *QSoftKeyManager::createKeyedAction(StandardSoftKey standardKey, Qt::Key
     QScopedPointer<QAction> action(createAction(standardKey, actionWidget));
 
     connect(action.data(), SIGNAL(triggered()), QSoftKeyManager::instance(), SLOT(sendKeyEvent()));
-
-#if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4) && !defined(SYMBIAN_VERSION_9_3) && !defined(SYMBIAN_VERSION_9_2)
-    // Don't connect destroyed slot if is was already connected in createAction
-    if (!(QSoftKeyManager::instance()->d_func()->softKeyCommandActions.contains(action.data())))
-#endif
     connect(action.data(), SIGNAL(destroyed(QObject*)), QSoftKeyManager::instance(), SLOT(cleanupHash(QObject*)));
-
     QSoftKeyManager::instance()->d_func()->keyedActions.insert(action.data(), key);
     return action.take();
 #endif //QT_NO_ACTION
@@ -174,9 +166,7 @@ QAction *QSoftKeyManager::createKeyedAction(StandardSoftKey standardKey, Qt::Key
 void QSoftKeyManager::cleanupHash(QObject *obj)
 {
     Q_D(QSoftKeyManager);
-    // Can't use qobject_cast in destroyed() signal handler as that'll return NULL,
-    // so use static_cast instead. Since the pointer is only used as a hash key, it is safe.
-    QAction *action = static_cast<QAction *>(obj);
+    QAction *action = qobject_cast<QAction*>(obj);
     d->keyedActions.remove(action);
 #if defined(Q_WS_S60) && !defined(SYMBIAN_VERSION_9_4) && !defined(SYMBIAN_VERSION_9_3) && !defined(SYMBIAN_VERSION_9_2)
     d->softKeyCommandActions.remove(action);
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 3ec4052..ada52a0 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -97,10 +97,6 @@ static const int qt_symbian_max_screens = 4;
 //this macro exists because EColor16MAP enum value doesn't exist in Symbian OS 9.2
 #define Q_SYMBIAN_ECOLOR16MAP TDisplayMode(13)
 
-class QSymbianTypeFaceExtras;
-typedef QHash<QString, const QSymbianTypeFaceExtras *> QSymbianTypeFaceExtrasHash;
-typedef void (*QThreadLocalReleaseFunc)();
-
 class Q_AUTOTEST_EXPORT QS60ThreadLocalData
 {
 public:
@@ -109,8 +105,6 @@ public:
     bool usingCONEinstances;
     RWsSession wsSession;
     CWsScreenDevice *screenDevice;
-    QSymbianTypeFaceExtrasHash fontData;
-    QVector<QThreadLocalReleaseFunc> releaseFuncs;
 };
 
 class QS60Data
@@ -184,8 +178,6 @@ public:
     inline CWsScreenDevice* screenDevice(const QWidget *widget);
     inline CWsScreenDevice* screenDevice(int screenNumber);
     static inline int screenNumberForWidget(const QWidget *widget);
-    inline QSymbianTypeFaceExtrasHash& fontData();
-    inline void addThreadLocalReleaseFunc(QThreadLocalReleaseFunc func);
     static inline CCoeAppUi* appUi();
     static inline CEikMenuBar* menuBar();
 #ifdef Q_WS_S60
@@ -486,24 +478,6 @@ inline int QS60Data::screenNumberForWidget(const QWidget *widget)
     return qt_widget_private(const_cast<QWidget *>(w))->symbianScreenNumber;
 }
 
-inline QSymbianTypeFaceExtrasHash& QS60Data::fontData()
-{
-    if (!tls.hasLocalData()) {
-        tls.setLocalData(new QS60ThreadLocalData);
-    }
-    return tls.localData()->fontData;
-}
-
-inline void QS60Data::addThreadLocalReleaseFunc(QThreadLocalReleaseFunc func)
-{
-    if (!tls.hasLocalData()) {
-        tls.setLocalData(new QS60ThreadLocalData);
-    }
-    QS60ThreadLocalData *data = tls.localData();
-    if (!data->releaseFuncs.contains(func))
-        data->releaseFuncs.append(func);
-}
-
 inline CCoeAppUi* QS60Data::appUi()
 {
     return CCoeEnv::Static()-> AppUi();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 807f68e..256e34b 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -235,22 +235,11 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
     QSize oldSize(q->size());
     QRect oldGeom(data.crect);
 
-    bool checkExtra = true;
-    if (q->isWindow() && (data.window_state & (Qt::WindowFullScreen | Qt::WindowMaximized))) {
-        // Do not allow fullscreen/maximized windows to expand beyond client rect
-        TRect r = S60->clientRect();
-        w = qMin(w, r.Width());
-        h = qMin(h, r.Height());
-
-        if (w == r.Width() && h == r.Height())
-            checkExtra = false;
-    }
-
     // Lose maximized status if deliberate resize
     if (w != oldSize.width() || h != oldSize.height())
         data.window_state &= ~Qt::WindowMaximized;
 
-    if (checkExtra && extra) {  // any size restrictions?
+    if (extra) {                                // any size restrictions?
         w = qMin(w,extra->maxw);
         h = qMin(h,extra->maxh);
         w = qMax(w,extra->minw);
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index 913352a..33619d6 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -91,6 +91,7 @@ enum TSupportRelease {
     ES60_5_1      = 0x0008,
     ES60_5_2      = 0x0010,
     ES60_5_3      = 0x0020,
+    ES60_5_4      = 0x0040,
     ES60_3_X      = ES60_3_1 | ES60_3_2,
     // Releases before Symbian Foundation
     ES60_PreSF    = ES60_3_1 | ES60_3_2 | ES60_5_0,
@@ -98,8 +99,10 @@ enum TSupportRelease {
     ES60_Pre52    = ES60_3_1 | ES60_3_2 | ES60_5_0 | ES60_5_1,
     // Releases before S60 5.3
     ES60_Pre53    = ES60_3_1 | ES60_3_2 | ES60_5_0 | ES60_5_1 | ES60_5_2,
+    // Releases before S60 5.4
+    ES60_Pre54    = ES60_3_1 | ES60_3_2 | ES60_5_0 | ES60_5_1 | ES60_5_2 | ES60_5_3,
     // Add all new releases here
-    ES60_All = ES60_3_1 | ES60_3_2 | ES60_5_0 | ES60_5_1 | ES60_5_2 | ES60_5_3
+    ES60_All = ES60_3_1 | ES60_3_2 | ES60_5_0 | ES60_5_1 | ES60_5_2 | ES60_5_3 | ES60_5_4
 };
 
 typedef struct {
@@ -707,7 +710,7 @@ QPixmap QS60StyleModeSpecifics::colorSkinnedGraphicsLX(
         colorIndex,
         icon,
         iconMask,
-        AknIconUtils::AvkonIconFileName(),
+        (fallbackGraphicID != KErrNotFound ? AknIconUtils::AvkonIconFileName() : KNullDesC),
         fallbackGraphicID,
         fallbackGraphicsMaskID,
         defaultColor);
@@ -922,7 +925,7 @@ QPixmap QS60StyleModeSpecifics::createSkinnedGraphicsLX(
                 skinId,
                 icon,
                 iconMask,
-                AknIconUtils::AvkonIconFileName(),
+                (fallbackGraphicID != KErrNotFound ? AknIconUtils::AvkonIconFileName() : KNullDesC),
                 fallbackGraphicID ,
                 fallbackGraphicsMaskID);
 
@@ -1016,7 +1019,7 @@ QPixmap QS60StyleModeSpecifics::createSkinnedGraphicsLX(
                     KAknsIIDDefault, //animation is not themed, lets force fallback graphics
                     animationFrame,
                     frameMask,
-                    AknIconUtils::AvkonIconFileName(),
+                    (fallbackGraphicID != KErrNotFound ? AknIconUtils::AvkonIconFileName() : KNullDesC),
                     fallbackGraphicID ,
                     fallbackGraphicsMaskID);
             }
@@ -1228,7 +1231,8 @@ bool QS60StyleModeSpecifics::checkSupport(const int supportedRelease)
              (currentRelease == QSysInfo::SV_S60_5_0 && supportedRelease & ES60_5_0) ||
              (currentRelease == QSysInfo::SV_S60_5_1 && supportedRelease & ES60_5_1) ||
              (currentRelease == QSysInfo::SV_S60_5_2 && supportedRelease & ES60_5_2) ||
-             (currentRelease == QSysInfo::SV_S60_5_3 && supportedRelease & ES60_5_3) );
+             (currentRelease == QSysInfo::SV_S60_5_3 && supportedRelease & ES60_5_3) ||
+             (currentRelease == QSysInfo::SV_S60_5_4 && supportedRelease & ES60_5_4) );
 }
 
 TAknsItemID QS60StyleModeSpecifics::partSpecificThemeId(int part)
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index ffa4e59..8400feb 100644
--- a/src/gui/text/qfontdatabase_s60.cpp
+++ b/src/gui/text/qfontdatabase_s60.cpp
@@ -166,6 +166,7 @@ public:
     COpenFontRasterizer *m_rasterizer;
     mutable QList<const QSymbianTypeFaceExtras *> m_extras;
 
+    mutable QHash<QString, const QSymbianTypeFaceExtras *> m_extrasHash;
     mutable QSet<QString> m_applicationFontFamilies;
 };
 
@@ -268,9 +269,8 @@ void QSymbianFontDatabaseExtrasImplementation::clear()
             static_cast<const QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras);
     if (!dbExtras)
         return; // initializeDb() has never been called
-    QSymbianTypeFaceExtrasHash &extrasHash = S60->fontData();
     if (QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) {
-        qDeleteAll(extrasHash);
+        qDeleteAll(dbExtras->m_extrasHash);
     } else {
         typedef QList<const QSymbianTypeFaceExtras *>::iterator iterator;
         for (iterator p = dbExtras->m_extras.begin(); p != dbExtras->m_extras.end(); ++p) {
@@ -279,16 +279,11 @@ void QSymbianFontDatabaseExtrasImplementation::clear()
         }
         dbExtras->m_extras.clear();
     }
-    extrasHash.clear();
+    dbExtras->m_extrasHash.clear();
 }
 
 void qt_cleanup_symbianFontDatabase()
 {
-    static bool cleanupDone = false;
-    if (cleanupDone)
-        return;
-    cleanupDone = true;
-
     QFontDatabasePrivate *db = privateDb();
     if (!db)
         return;
@@ -339,12 +334,9 @@ COpenFont* OpenFontFromBitmapFont(const CBitmapFont* aBitmapFont)
 const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(const QString &aTypeface,
                                                                                bool bold, bool italic) const
 {
-    QSymbianTypeFaceExtrasHash &extrasHash = S60->fontData();
-    if (extrasHash.isEmpty() && QThread::currentThread() != QApplication::instance()->thread())
-        S60->addThreadLocalReleaseFunc(clear);
     const QString typeface = qt_symbian_fontNameWithAppFontMarker(aTypeface);
     const QString searchKey = typeface + QString::number(int(bold)) + QString::number(int(italic));
-    if (!extrasHash.contains(searchKey)) {
+    if (!m_extrasHash.contains(searchKey)) {
         TFontSpec searchSpec(qt_QString2TPtrC(typeface), 1);
         if (bold)
             searchSpec.iFontStyle.SetStrokeWeight(EStrokeWeightBold);
@@ -358,7 +350,7 @@ const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(c
             QScopedPointer<CFont, CFontFromScreenDeviceReleaser> sFont(font);
             QSymbianTypeFaceExtras *extras = new QSymbianTypeFaceExtras(font);
             sFont.take();
-            extrasHash.insert(searchKey, extras);
+            m_extrasHash.insert(searchKey, extras);
         } else {
             const TInt err = m_store->GetNearestFontToDesignHeightInPixels(font, searchSpec);
             Q_ASSERT(err == KErrNone && font);
@@ -372,20 +364,20 @@ const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(c
             const TOpenFontFaceAttrib* const attrib = openFont->FaceAttrib();
             const QString foundKey =
                     QString((const QChar*)attrib->FullName().Ptr(), attrib->FullName().Length());
-            if (!extrasHash.contains(foundKey)) {
+            if (!m_extrasHash.contains(foundKey)) {
                 QScopedPointer<CFont, CFontFromFontStoreReleaser> sFont(font);
                 QSymbianTypeFaceExtras *extras = new QSymbianTypeFaceExtras(font, openFont);
                 sFont.take();
                 m_extras.append(extras);
-                extrasHash.insert(searchKey, extras);
-                extrasHash.insert(foundKey, extras);
+                m_extrasHash.insert(searchKey, extras);
+                m_extrasHash.insert(foundKey, extras);
             } else {
                 m_store->ReleaseFont(font);
-                extrasHash.insert(searchKey, extrasHash.value(foundKey));
+                m_extrasHash.insert(searchKey, m_extrasHash.value(foundKey));
             }
         }
     }
-    return extrasHash.value(searchKey);
+    return m_extrasHash.value(searchKey);
 }
 
 void QSymbianFontDatabaseExtrasImplementation::removeAppFontData(
@@ -981,7 +973,7 @@ bool QFontDatabase::removeAllApplicationFonts()
 
 bool QFontDatabase::supportsThreadedFontRendering()
 {
-    return QSymbianTypeFaceExtras::symbianFontTableApiAvailable();
+    return false;
 }
 
 static
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index e32e112..bde2c34 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -680,20 +680,30 @@ void QTextControlPrivate::extendWordwiseSelection(int suggestedNewPosition, qrea
     if (!wordSelectionEnabled && (mouseXPosition < wordStartX || mouseXPosition > wordEndX))
         return;
 
-    // keep the already selected word even when moving to the left
-    // (#39164)
-    if (suggestedNewPosition < selectedWordOnDoubleClick.position())
-        cursor.setPosition(selectedWordOnDoubleClick.selectionEnd());
-    else
-        cursor.setPosition(selectedWordOnDoubleClick.selectionStart());
+    if (wordSelectionEnabled) {
+        if (suggestedNewPosition < selectedWordOnDoubleClick.position()) {
+            cursor.setPosition(selectedWordOnDoubleClick.selectionEnd());
+            setCursorPosition(wordStartPos, QTextCursor::KeepAnchor);
+        } else {
+            cursor.setPosition(selectedWordOnDoubleClick.selectionStart());
+            setCursorPosition(wordEndPos, QTextCursor::KeepAnchor);
+        }
+    } else {
+        // keep the already selected word even when moving to the left
+        // (#39164)
+        if (suggestedNewPosition < selectedWordOnDoubleClick.position())
+            cursor.setPosition(selectedWordOnDoubleClick.selectionEnd());
+        else
+            cursor.setPosition(selectedWordOnDoubleClick.selectionStart());
 
-    const qreal differenceToStart = mouseXPosition - wordStartX;
-    const qreal differenceToEnd = wordEndX - mouseXPosition;
+        const qreal differenceToStart = mouseXPosition - wordStartX;
+        const qreal differenceToEnd = wordEndX - mouseXPosition;
 
-    if (differenceToStart < differenceToEnd)
-        setCursorPosition(wordStartPos, QTextCursor::KeepAnchor);
-    else
-        setCursorPosition(wordEndPos, QTextCursor::KeepAnchor);
+        if (differenceToStart < differenceToEnd)
+            setCursorPosition(wordStartPos, QTextCursor::KeepAnchor);
+        else
+            setCursorPosition(wordEndPos, QTextCursor::KeepAnchor);
+    }
 
     if (interactionFlags & Qt::TextSelectableByMouse) {
 #ifndef QT_NO_CLIPBOARD
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index 41394e3..fc251bf 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -2497,7 +2497,7 @@ void QComboBox::showPopup()
         } else {
             TRect staConTopRect = TRect();
             AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStaconTop, staConTopRect);
-            listRect.setWidth(listRect.height());
+            listRect.setWidth(screen.height());
             //by default popup is centered on screen in landscape
             listRect.moveCenter(screen.center());
             if (staConTopRect.IsEmpty() && AknLayoutUtils::CbaLocation() != AknLayoutUtils::EAknCbaLocationBottom) {
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index a8031e7..b6e2f90 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -60,7 +60,7 @@
 QT_BEGIN_NAMESPACE
 
 #ifdef QT_GUI_PASSWORD_ECHO_DELAY
-static const int qt_passwordEchoDelay = QT_GUI_PASSWORD_ECHO_DELAY;
+static int qt_passwordEchoDelay = QT_GUI_PASSWORD_ECHO_DELAY;
 #endif
 
 /*!
@@ -93,8 +93,8 @@ void QLineControl::updateDisplayText(bool forceUpdate)
     if (m_echoMode == QLineEdit::Password) {
         str.fill(m_passwordCharacter);
 #ifdef QT_GUI_PASSWORD_ECHO_DELAY
-        if (m_passwordEchoTimer != 0 && m_cursor > 0 && m_cursor <= m_text.length()) {
-            int cursor = m_cursor - 1;
+        if (m_passwordEchoTimer != 0 && !str.isEmpty()) {
+            int cursor = m_text.length() - 1;
             QChar uc = m_text.at(cursor);
             str[cursor] = uc;
             if (cursor > 0 && uc.unicode() >= 0xdc00 && uc.unicode() < 0xe000) {
diff --git a/src/gui/widgets/qtextedit.cpp b/src/gui/widgets/qtextedit.cpp
index 61d4fed..2670089 100644
--- a/src/gui/widgets/qtextedit.cpp
+++ b/src/gui/widgets/qtextedit.cpp
@@ -2472,8 +2472,6 @@ bool QTextEdit::find(const QString &exp, QTextDocument::FindFlags options)
     and the text edit will try to guess the right format.
 
     Use setHtml() or setPlainText() directly to avoid text edit's guessing.
-
-    \sa toPlainText(), toHtml()
 */
 void QTextEdit::setText(const QString &text)
 {
diff --git a/src/imports/shaders/shadereffectitem.cpp b/src/imports/shaders/shadereffectitem.cpp
index 056581c..04c81f5 100644..100755
--- a/src/imports/shaders/shadereffectitem.cpp
+++ b/src/imports/shaders/shadereffectitem.cpp
@@ -199,8 +199,13 @@ Rectangle {
 
 */
 
+#ifdef Q_OS_SYMBIAN
+#define OBSERVE_GL_CONTEXT_LOSS 1
+#endif
+
 ShaderEffectItem::ShaderEffectItem(QDeclarativeItem *parent)
     : QDeclarativeItem(parent)
+    , m_program(0)
     , m_meshResolution(1, 1)
     , m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
     , m_blending(true)
@@ -214,15 +219,21 @@ ShaderEffectItem::ShaderEffectItem(QDeclarativeItem *parent)
     , m_hasShaderPrograms(false)
     , m_mirrored(false)
     , m_defaultVertexShader(true)
+    , m_contextObserver(0)
 {
     setFlag(QGraphicsItem::ItemHasNoContents, false);
     connect(this, SIGNAL(visibleChanged()), this, SLOT(handleVisibilityChange()));
     m_active = isVisible();
+
+#ifndef OBSERVE_GL_CONTEXT_LOSS
+    m_program = new QGLShaderProgram(this);
+#endif
 }
 
 ShaderEffectItem::~ShaderEffectItem()
 {
     reset();
+    delete m_contextObserver;
 }
 
 
@@ -422,10 +433,38 @@ void ShaderEffectItem::renderEffect(QPainter *painter, const QMatrix4x4 &matrix)
     if (!painter || !painter->device())
         return;
 
-    if (!m_program.isLinked() || m_program_dirty)
+#ifdef OBSERVE_GL_CONTEXT_LOSS
+    QGLContext *context = const_cast <QGLContext*> (QGLContext::currentContext());
+    if (!m_program || !m_contextObserver || !m_contextObserver->isValid()) {
+        // Context has changed, re-create QGLShaderProgram
+        if (context) {
+            delete m_program;
+            m_program = 0;
+
+            delete m_contextObserver;
+            m_contextObserver = 0;
+
+            m_program = new QGLShaderProgram(this);
+            m_contextObserver = new QGLFramebufferObject(QSize(2,2));
+
+            if (!m_contextObserver || !m_program) {
+                delete m_program;
+                m_program = 0;
+                delete m_contextObserver;
+                m_contextObserver = 0;
+                qWarning() << "ShaderEffectItem::renderEffect - Creating QGLShaderProgram or QGLFrameBufferObject failed!";
+            }
+        }
+    }
+#endif
+
+    if (!m_program)
+        return;
+
+    if (!m_program->isLinked() || m_program_dirty)
         updateShaderProgram();
 
-    m_program.bind();
+    m_program->bind();
 
     QMatrix4x4 combinedMatrix;
     combinedMatrix.scale(2.0 / painter->device()->width(), -2.0 / painter->device()->height(), 1.0);
@@ -434,7 +473,7 @@ void ShaderEffectItem::renderEffect(QPainter *painter, const QMatrix4x4 &matrix)
     updateEffectState(combinedMatrix);
 
     for (int i = 0; i < m_attributeNames.size(); ++i) {
-        m_program.enableAttributeArray(m_geometry.attributes()[i].position);
+        m_program->enableAttributeArray(m_geometry.attributes()[i].position);
     }
 
     bindGeometry();
@@ -472,11 +511,14 @@ void ShaderEffectItem::renderEffect(QPainter *painter, const QMatrix4x4 &matrix)
     glDisable(GL_DEPTH_TEST);
 
    for (int i = 0; i < m_attributeNames.size(); ++i)
-        m_program.disableAttributeArray(m_geometry.attributes()[i].position);
+        m_program->disableAttributeArray(m_geometry.attributes()[i].position);
 }
 
 void ShaderEffectItem::updateEffectState(const QMatrix4x4 &matrix)
 {
+    if (!m_program)
+        return;
+
     for (int i = m_sources.size() - 1; i >= 0; --i) {
         const ShaderEffectItem::SourceData &source = m_sources.at(i);
         if (!source.source)
@@ -487,10 +529,10 @@ void ShaderEffectItem::updateEffectState(const QMatrix4x4 &matrix)
     }
 
     if (m_respectsOpacity)
-        m_program.setUniformValue("qt_Opacity", static_cast<float> (effectiveOpacity()));
+        m_program->setUniformValue("qt_Opacity", static_cast<float> (effectiveOpacity()));
 
     if (m_respectsMatrix){
-        m_program.setUniformValue("qt_ModelViewProjectionMatrix", matrix);
+        m_program->setUniformValue("qt_ModelViewProjectionMatrix", matrix);
     }
 
     QSet<QByteArray>::const_iterator it;
@@ -500,37 +542,37 @@ void ShaderEffectItem::updateEffectState(const QMatrix4x4 &matrix)
 
         switch (v.type()) {
         case QVariant::Color:
-            m_program.setUniformValue(name.constData(), qvariant_cast<QColor>(v));
+            m_program->setUniformValue(name.constData(), qvariant_cast<QColor>(v));
             break;
         case QVariant::Double:
-            m_program.setUniformValue(name.constData(), (float) qvariant_cast<double>(v));
+            m_program->setUniformValue(name.constData(), (float) qvariant_cast<double>(v));
             break;
         case QVariant::Transform:
-            m_program.setUniformValue(name.constData(), qvariant_cast<QTransform>(v));
+            m_program->setUniformValue(name.constData(), qvariant_cast<QTransform>(v));
             break;
         case QVariant::Int:
-            m_program.setUniformValue(name.constData(), v.toInt());
+            m_program->setUniformValue(name.constData(), GLint(v.toInt()));
             break;
         case QVariant::Bool:
-            m_program.setUniformValue(name.constData(), GLint(v.toBool()));
+            m_program->setUniformValue(name.constData(), GLint(v.toBool()));
             break;
         case QVariant::Size:
         case QVariant::SizeF:
-            m_program.setUniformValue(name.constData(), v.toSizeF());
+            m_program->setUniformValue(name.constData(), v.toSizeF());
             break;
         case QVariant::Point:
         case QVariant::PointF:
-            m_program.setUniformValue(name.constData(), v.toPointF());
+            m_program->setUniformValue(name.constData(), v.toPointF());
             break;
         case QVariant::Rect:
         case QVariant::RectF:
         {
             QRectF r = v.toRectF();
-            m_program.setUniformValue(name.constData(), r.x(), r.y(), r.width(), r.height());
+            m_program->setUniformValue(name.constData(), r.x(), r.y(), r.width(), r.height());
         }
             break;
         case QVariant::Vector3D:
-            m_program.setUniformValue(name.constData(), qvariant_cast<QVector3D>(v));
+            m_program->setUniformValue(name.constData(), qvariant_cast<QVector3D>(v));
             break;
         default:
             break;
@@ -558,6 +600,9 @@ static inline int size_of_type(GLenum type)
 
 void ShaderEffectItem::bindGeometry()
 {
+    if (!m_program)
+        return;
+
     char const *const *attrNames = m_attributeNames.constData();
     int offset = 0;
         for (int j = 0; j < m_attributeNames.size(); ++j) {
@@ -574,7 +619,7 @@ void ShaderEffectItem::bindGeometry()
         if (normalize)
             qWarning() << "ShaderEffectItem::bindGeometry() - non supported attribute type!";
 
-        m_program.setAttributeArray(a.position, (GLfloat*) (((char*) m_geometry.vertexData()) + offset), a.tupleSize, m_geometry.stride());
+        m_program->setAttributeArray(a.position, (GLfloat*) (((char*) m_geometry.vertexData()) + offset), a.tupleSize, m_geometry.stride());
         //glVertexAttribPointer(a.position, a.tupleSize, a.type, normalize, m_geometry.stride(), (char *) m_geometry.vertexData() + offset);
         offset += a.tupleSize * size_of_type(a.type);
     }
@@ -657,6 +702,16 @@ void ShaderEffectItem::setActive(bool enable)
         }
     }
 
+    // QGLShaderProgram is deleted when not active (to minimize GPU memory usage).
+#ifdef OBSERVE_GL_CONTEXT_LOSS
+    if (!m_active && m_program) {
+        delete m_program;
+        m_program = 0;
+        delete m_contextObserver;
+        m_contextObserver = 0;
+    }
+#endif
+
     emit activeChanged();
     markDirty();
 }
@@ -776,7 +831,9 @@ void ShaderEffectItem::reset()
 {
     disconnectPropertySignals();
 
-    m_program.removeAllShaders();
+    if (m_program)
+        m_program->removeAllShaders();
+
     m_attributeNames.clear();
     m_uniformNames.clear();
     for (int i = 0; i < m_sources.size(); ++i) {
@@ -821,6 +878,9 @@ void ShaderEffectItem::updateProperties()
 
 void ShaderEffectItem::updateShaderProgram()
 {
+    if (!m_program)
+        return;
+
     QString vertexCode = m_vertex_code;
     QString fragmentCode = m_fragment_code;
 
@@ -830,16 +890,16 @@ void ShaderEffectItem::updateShaderProgram()
     if (fragmentCode.isEmpty())
         fragmentCode = QString::fromLatin1(qt_default_fragment_code);
 
-    m_program.addShaderFromSourceCode(QGLShader::Vertex, vertexCode);
-    m_program.addShaderFromSourceCode(QGLShader::Fragment, fragmentCode);
+    m_program->addShaderFromSourceCode(QGLShader::Vertex, vertexCode);
+    m_program->addShaderFromSourceCode(QGLShader::Fragment, fragmentCode);
 
     for (int i = 0; i < m_attributeNames.size(); ++i) {
-        m_program.bindAttributeLocation(m_attributeNames.at(i), m_geometry.attributes()[i].position);
+        m_program->bindAttributeLocation(m_attributeNames.at(i), m_geometry.attributes()[i].position);
     }
 
-    if (!m_program.link()) {
+    if (!m_program->link()) {
         qWarning("ShaderEffectItem: Shader compilation failed:");
-        qWarning() << m_program.log();
+        qWarning() << m_program->log();
     }
 
     if (!m_attributeNames.contains(qt_postion_attribute_name))
@@ -849,10 +909,10 @@ void ShaderEffectItem::updateShaderProgram()
     if (!m_respectsMatrix)
         qWarning("ShaderEffectItem: Missing reference to \'qt_ModelViewProjectionMatrix\'.");
 
-    if (m_program.isLinked()) {
-        m_program.bind();
+    if (m_program->isLinked()) {
+        m_program->bind();
         for (int i = 0; i < m_sources.size(); ++i)
-            m_program.setUniformValue(m_sources.at(i).name.constData(), i);
+            m_program->setUniformValue(m_sources.at(i).name.constData(), (GLint) i);
     }
 
     m_program_dirty = false;
diff --git a/src/imports/shaders/shadereffectitem.h b/src/imports/shaders/shadereffectitem.h
index aebe897..6c225a2 100644
--- a/src/imports/shaders/shadereffectitem.h
+++ b/src/imports/shaders/shadereffectitem.h
@@ -115,7 +115,7 @@ private:
 private:
     QString m_fragment_code;
     QString m_vertex_code;
-    QGLShaderProgram m_program;
+    QGLShaderProgram* m_program;
     QVector<const char *> m_attributeNames;
     QSet<QByteArray> m_uniformNames;
     QSize m_meshResolution;
@@ -143,6 +143,8 @@ private:
     bool m_hasShaderPrograms : 1;
     bool m_mirrored : 1;
     bool m_defaultVertexShader : 1;
+
+    QGLFramebufferObject* m_contextObserver;
 };
 
 QT_END_HEADER
diff --git a/src/imports/shaders/shadereffectsource.cpp b/src/imports/shaders/shadereffectsource.cpp
index 6210c41..21d814a 100644
--- a/src/imports/shaders/shadereffectsource.cpp
+++ b/src/imports/shaders/shadereffectsource.cpp
@@ -170,15 +170,11 @@ void ShaderEffectSource::setSourceRect(const QRectF &rect)
         return;
     m_sourceRect = rect;
     updateSizeAndTexture();
-    updateBackbuffer();
     emit sourceRectChanged();
     emit repaintRequired();
 
-    if (m_sourceItem) {
-        ShaderEffect* effect = qobject_cast<ShaderEffect*> (m_sourceItem->graphicsEffect());
-        if (effect)
-            effect->m_changed = true;
-    }
+    m_dirtyTexture = true;
+    markSourceItemDirty();
 }
 
 /*!
@@ -207,11 +203,8 @@ void ShaderEffectSource::setTextureSize(const QSize &size)
     emit textureSizeChanged();
     emit repaintRequired();
 
-    if (m_sourceItem) {
-        ShaderEffect* effect = qobject_cast<ShaderEffect*> (m_sourceItem->graphicsEffect());
-        if (effect)
-            effect->m_changed = true;
-    }
+    m_dirtyTexture = true;
+    markSourceItemDirty();
 }
 
 /*!
@@ -294,8 +287,10 @@ void ShaderEffectSource::setWrapMode(WrapMode mode)
         return;
 
     m_wrapMode = mode;
-    updateBackbuffer();
     emit wrapModeChanged();
+
+    m_dirtyTexture = true;
+    markSourceItemDirty();
 }
 
 /*!
@@ -314,7 +309,7 @@ void ShaderEffectSource::grab()
     emit repaintRequired();
 }
 
-void ShaderEffectSource::bind() const
+void ShaderEffectSource::bind()
 {
     GLint filtering = smooth() ? GL_LINEAR : GL_NEAREST;
     GLuint hwrap = (m_wrapMode == Repeat || m_wrapMode == RepeatHorizontally) ? GL_REPEAT : GL_CLAMP_TO_EDGE;
@@ -323,9 +318,13 @@ void ShaderEffectSource::bind() const
 #if !defined(QT_OPENGL_ES_2)
     glEnable(GL_TEXTURE_2D);
 #endif
-    if (m_fbo) {
+
+    if (m_fbo && m_fbo->isValid()) {
         glBindTexture(GL_TEXTURE_2D, m_fbo->texture());
     } else {
+        m_dirtyTexture = true;
+        emit repaintRequired();
+        markSourceItemDirty();
         glBindTexture(GL_TEXTURE_2D, 0);
     }
 
@@ -354,7 +353,7 @@ void ShaderEffectSource::derefFromEffectItem()
 
 void ShaderEffectSource::updateBackbuffer()
 {
-    if (!m_sourceItem)
+    if (!m_sourceItem || !QGLContext::currentContext())
         return;
 
     // Multisampling is not (for now) supported.
@@ -370,7 +369,7 @@ void ShaderEffectSource::updateBackbuffer()
         if (!m_fbo) {
             m_fbo =  new ShaderEffectBuffer(size, format);
         } else {
-            if (m_fbo->size() != size || m_fbo->format().internalTextureFormat() != GLenum(m_format)) {
+            if (!m_fbo->isValid() || m_fbo->size() != size || m_fbo->format().internalTextureFormat() != GLenum(m_format)) {
                 delete m_fbo;
                 m_fbo = 0;
                 m_fbo =  new ShaderEffectBuffer(size, format);
@@ -397,6 +396,16 @@ void ShaderEffectSource::markSourceSizeDirty()
         emit repaintRequired();
 }
 
+void ShaderEffectSource::markSourceItemDirty()
+{
+    m_dirtyTexture = true;
+    if (m_sourceItem) {
+        ShaderEffect* effect = qobject_cast<ShaderEffect*> (m_sourceItem->graphicsEffect());
+        if (effect)
+            effect->m_changed = true;
+    }
+}
+
 void ShaderEffectSource::updateSizeAndTexture()
 {
     if (m_sourceItem) {
@@ -407,7 +416,7 @@ void ShaderEffectSource::updateSizeAndTexture()
             size.setWidth(1);
         if (size.height() < 1)
             size.setHeight(1);
-        if (m_fbo && m_fbo->size() != size) {
+        if (m_fbo && (m_fbo->size() != size || !m_fbo->isValid())) {
             delete m_fbo;
             m_fbo = 0;
             delete m_multisampledFbo;
diff --git a/src/imports/shaders/shadereffectsource.h b/src/imports/shaders/shadereffectsource.h
index 0f03a6a..af8a815 100644
--- a/src/imports/shaders/shadereffectsource.h
+++ b/src/imports/shaders/shadereffectsource.h
@@ -99,7 +99,7 @@ public:
     void setWrapMode(WrapMode mode);
 
     bool isActive() const { return m_refs; }
-    void bind() const;
+    void bind();
     void refFromEffectItem();
     void derefFromEffectItem();
     void updateBackbuffer();
@@ -124,6 +124,7 @@ Q_SIGNALS:
 public Q_SLOTS:
     void markSceneGraphDirty();
     void markSourceSizeDirty();
+    void markSourceItemDirty();
 
 private:
     void updateSizeAndTexture();
diff --git a/src/xmlpatterns/expr/qevaluationcache.cpp b/src/xmlpatterns/expr/qevaluationcache.cpp
index 67109eb..3b6fc92 100644
--- a/src/xmlpatterns/expr/qevaluationcache.cpp
+++ b/src/xmlpatterns/expr/qevaluationcache.cpp
@@ -49,10 +49,9 @@ template<bool IsForGlobal>
 EvaluationCache<IsForGlobal>::EvaluationCache(const Expression::Ptr &op,
                                               const VariableDeclaration *varDecl,
                                               const VariableSlotID aSlot) : SingleContainer(op)
-                                                                          , m_declaration(varDecl)
+                                                                          , m_declarationUsedByMany(varDecl->usedByMany())
                                                                           , m_varSlot(aSlot)
 {
-    Q_ASSERT(m_declaration);
     Q_ASSERT(m_varSlot > -1);
 }
 
@@ -199,7 +198,7 @@ Expression::Ptr EvaluationCache<IsForGlobal>::compress(const StaticContext::Ptr
     if(m_operand->is(IDRangeVariableReference))
         return m_operand;
 
-    if(m_declaration->usedByMany())
+    if (m_declarationUsedByMany)
     {
         /* If it's only an atomic value an EvaluationCache is overkill. However,
          * it's still needed for functions like fn:current-time() that must adhere to
diff --git a/src/xmlpatterns/expr/qevaluationcache_p.h b/src/xmlpatterns/expr/qevaluationcache_p.h
index 4111634..67ee5c2 100644
--- a/src/xmlpatterns/expr/qevaluationcache_p.h
+++ b/src/xmlpatterns/expr/qevaluationcache_p.h
@@ -125,6 +125,7 @@ namespace QPatternist
     private:
         static DynamicContext::Ptr topFocusContext(const DynamicContext::Ptr &context);
         const VariableDeclaration* m_declaration;
+        bool m_declarationUsedByMany;
         /**
          * This variable must not be called m_slot. If it so, a compiler bug on
          * HP-UX-aCC-64 is triggered in the constructor initializor. See the