Merge branch '4.7-upstream' into 4.7-water

34 files changed, 133 insertions, 48 deletions

diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index 87fa770..2dbed76 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -87,9 +87,13 @@ QT_BEGIN_HEADER
 #include <tmmintrin.h>
 #endif
 
-// SSE4.1 and SSE4.2 intrinsics
-#if (defined(QT_HAVE_SSE4_1) || defined(QT_HAVE_SSE4_2)) && (defined(__SSE4_1__) || defined(Q_CC_MSVC))
+// SSE4.1 intrinsics
+#if defined(QT_HAVE_SSE4_1) && (defined(__SSE4_1__) || defined(Q_CC_MSVC))
 #include <smmintrin.h>
+#endif
+
+// SSE4.2 intrinsics
+#if defined(QT_HAVE_SSE4_2) && (defined(__SSE4_2__) || defined(Q_CC_MSVC))
 #include <nmmintrin.h>
 #endif
 
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index d4a1248..92b54a0 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -3572,7 +3572,7 @@ static QByteArray toLatin1_helper(const QChar *data, int length)
             }
             length = length % 16;
         }
-#elif QT_ALWAYS_HAVE_NEON
+#elif defined(QT_ALWAYS_HAVE_NEON)
         // Refer to the documentation of the SSE2 implementation
         // this use eactly the same method as for SSE except:
         // 1) neon has unsigned comparison
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index 3a3189c..1870647 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -386,6 +386,13 @@ void QDeclarativeFlickablePrivate::updateBeginningEnd()
     \snippet doc/src/snippets/declarative/flickable.qml document
 
     \clearfloat
+
+    Items declared as children of a Flickable are automatically parented to the
+    Flickable's \l contentItem.  This should be taken into account when
+    operating on the children of the Flickable; it is usually the children of
+    \c contentItem that are relevant.  For example, the bound of Items added
+    to the Flickable will be available by \c contentItem.childrenRect
+
     \section1 Limitations
 
     \note Due to an implementation detail, items placed inside a Flickable cannot anchor to it by
diff --git a/src/declarative/qml/qdeclarativecompileddata.cpp b/src/declarative/qml/qdeclarativecompileddata.cpp
index a4ecc77..690f499 100644
--- a/src/declarative/qml/qdeclarativecompileddata.cpp
+++ b/src/declarative/qml/qdeclarativecompileddata.cpp
@@ -169,8 +169,8 @@ QDeclarativeCompiledData::QDeclarativeCompiledData(QDeclarativeEngine *engine)
 QDeclarativeCompiledData::~QDeclarativeCompiledData()
 {
     for (int ii = 0; ii < types.count(); ++ii) {
-        if (types.at(ii).ref)
-            types.at(ii).ref->release();
+        if (types.at(ii).component)
+            types.at(ii).component->release();
     }
 
     for (int ii = 0; ii < propertyCaches.count(); ++ii) 
diff --git a/src/declarative/qml/qdeclarativecompiler.cpp b/src/declarative/qml/qdeclarativecompiler.cpp
index b2740b8..645402e 100644
--- a/src/declarative/qml/qdeclarativecompiler.cpp
+++ b/src/declarative/qml/qdeclarativecompiler.cpp
@@ -591,8 +591,6 @@ bool QDeclarativeCompiler::compile(QDeclarativeEngine *engine,
             }
         } else if (tref.typeData) {
             ref.component = tref.typeData->compiledData();
-            ref.ref = tref.typeData;
-            ref.ref->addref();
         }
         ref.className = parserRef->name.toUtf8();
         out->types << ref;
diff --git a/src/declarative/qml/qdeclarativecompiler_p.h b/src/declarative/qml/qdeclarativecompiler_p.h
index 43a0901..5cd1fd2 100644
--- a/src/declarative/qml/qdeclarativecompiler_p.h
+++ b/src/declarative/qml/qdeclarativecompiler_p.h
@@ -89,14 +89,12 @@ public:
     struct TypeReference 
     {
         TypeReference()
-        : type(0), component(0), ref(0) {}
+        : type(0), component(0) {}
 
         QByteArray className;
         QDeclarativeType *type;
-//        QDeclarativeComponent *component;
         QDeclarativeCompiledData *component;
 
-        QDeclarativeRefCount *ref;
         QObject *createInstance(QDeclarativeContextData *, const QBitField &, QList<QDeclarativeError> *) const;
         const QMetaObject *metaObject() const;
     };
diff --git a/src/declarative/util/qdeclarativeopenmetaobject.cpp b/src/declarative/util/qdeclarativeopenmetaobject.cpp
index 40485bd..c611435 100644
--- a/src/declarative/util/qdeclarativeopenmetaobject.cpp
+++ b/src/declarative/util/qdeclarativeopenmetaobject.cpp
@@ -186,6 +186,7 @@ QDeclarativeOpenMetaObject::QDeclarativeOpenMetaObject(QObject *obj, bool automa
     d->type->d->referers.insert(this);
 
     QObjectPrivate *op = QObjectPrivate::get(obj);
+    d->parent = static_cast<QAbstractDynamicMetaObject *>(op->metaObject);
     *static_cast<QMetaObject *>(this) = *d->type->d->mem;
     op->metaObject = this;
 }
@@ -201,6 +202,7 @@ QDeclarativeOpenMetaObject::QDeclarativeOpenMetaObject(QObject *obj, QDeclarativ
     d->type->d->referers.insert(this);
 
     QObjectPrivate *op = QObjectPrivate::get(obj);
+    d->parent = static_cast<QAbstractDynamicMetaObject *>(op->metaObject);
     *static_cast<QMetaObject *>(this) = *d->type->d->mem;
     op->metaObject = this;
 }
diff --git a/src/gui/graphicsview/qgraphicstransform.cpp b/src/gui/graphicsview/qgraphicstransform.cpp
index 1f155c6..d495da2 100644
--- a/src/gui/graphicsview/qgraphicstransform.cpp
+++ b/src/gui/graphicsview/qgraphicstransform.cpp
@@ -54,7 +54,7 @@
     instances to one QGraphicsItem. Each QGraphicsTransform is applied in
     order, one at a time, to the QGraphicsItem it's assigned to.
 
-    QGraphicsTransform is particularily useful for animations. Whereas
+    QGraphicsTransform is particularly useful for animations. Whereas
     QGraphicsItem::setTransform() lets you assign any transform directly to an
     item, there is no direct way to interpolate between two different
     transformations (e.g., when transitioning between two states, each for
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 78028eb..10c4ed6 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -3269,7 +3269,7 @@ bool QETWidget::translateMouseEvent(const MSG &msg)
         if (type == QEvent::MouseButtonPress
             && QApplication::activePopupWidget() != activePopupWidget
             && replayPopupMouseEvent) {
-            // the popup dissappeared. Replay the event
+            // the popup disappeared. Replay the event
             QWidget* w = QApplication::widgetAt(gpos.x, gpos.y);
             if (w && !QApplicationPrivate::isBlockedByModal(w)) {
                 Q_ASSERT(w->testAttribute(Qt::WA_WState_Created));
@@ -3506,7 +3506,7 @@ static void tabletInit(const quint64 uniqueId, const UINT csr_type, HCTX hTab)
 }
 #endif // QT_NO_TABLETEVENT
 
-// Update the "dynamic" informations of a cursor device (pen, airbrush, etc).
+// Update the "dynamic" information of a cursor device (pen, airbrush, etc).
 // The dynamic information is the information of QTabletDeviceData that can change
 // in time (eraser or pen if a device is turned around).
 #ifndef QT_NO_TABLETEVENT
diff --git a/src/gui/kernel/qclipboard_mac.cpp b/src/gui/kernel/qclipboard_mac.cpp
index 49a6cc8..482a3a3 100644
--- a/src/gui/kernel/qclipboard_mac.cpp
+++ b/src/gui/kernel/qclipboard_mac.cpp
@@ -623,7 +623,7 @@ QMacPasteboard::sync() const
 
 #ifdef DEBUG_PASTEBOARD
     if(fromGlobal)
-        qDebug("Pasteboard: Syncronize!");
+        qDebug("Pasteboard: Synchronize!");
 #endif
     return fromGlobal;
 }
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index eade02e..7fdb926 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -1970,7 +1970,7 @@ void QInputMethodEvent::setCommitString(const QString &commitString, int replace
   is usually given by a wheel on 4D mouse. If the device does not support a
   Z-axis, pass zero here.
 
-  The \a tangentialPressure paramater contins the tangential pressure of an air
+  The \a tangentialPressure parameter contins the tangential pressure of an air
   brush. If the device does not support tangential pressure, pass 0 here.
 
   \a rotation contains the device's rotation in degrees. 4D mice support
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 9519447..46450b1 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -189,7 +189,7 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
 QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recognizer, Qt::GestureType type)
 {
     // if the widget is being deleted we should be careful not to
-    // create a new state, as it will create QWeakPointer which doesnt work
+    // create a new state, as it will create QWeakPointer which doesn't work
     // from the destructor.
     if (object->isWidgetType()) {
         if (static_cast<QWidget *>(object)->d_func()->data.in_destructor)
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index a5a3482..92310f5 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -101,7 +101,7 @@ private:
         NotGesture,
         MaybeGesture // this means timers are up and waiting for some
                      // more events, and input events are handled by
-                     // gesture recognizer explicitely
+                     // gesture recognizer explicitly
     } state;
 
     struct ObjectGesture
diff --git a/src/gui/kernel/qguiplatformplugin.cpp b/src/gui/kernel/qguiplatformplugin.cpp
index 2dd251b..c80c6d3 100644
--- a/src/gui/kernel/qguiplatformplugin.cpp
+++ b/src/gui/kernel/qguiplatformplugin.cpp
@@ -187,7 +187,7 @@ QString QGuiPlatformPlugin::styleName()
 #endif
 }
 
-/* return an aditional default palette  (only work on X11) */
+/* return an additional default palette  (only work on X11) */
 QPalette QGuiPlatformPlugin::palette()
 {
 #ifdef Q_WS_X11
diff --git a/src/gui/kernel/qkeymapper_mac.cpp b/src/gui/kernel/qkeymapper_mac.cpp
index 300e5ca..b8f08bf 100644
--- a/src/gui/kernel/qkeymapper_mac.cpp
+++ b/src/gui/kernel/qkeymapper_mac.cpp
@@ -765,7 +765,7 @@ bool QKeyMapperPrivate::translateKeyEvent(QWidget *widget, EventHandlerCallRef e
                                   &handled_event) == false)
         return handled_event;
     QString text(ourChar);
-    /* This is actually wrong - but unfortunatly it is the best that can be
+    /* This is actually wrong - but unfortunately it is the best that can be
        done for now because of the Control/Meta mapping problems */
     if (modifiers & (Qt::ControlModifier | Qt::MetaModifier)
         && !qApp->testAttribute(Qt::AA_MacDontSwapCtrlAndMeta)) {
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 50b2354..bf3eddd 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -1105,7 +1105,7 @@ QKeySequence QKeySequence::mnemonic(const QString &text)
 #else
                     found = true;
                 } else {
-                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurences of '&'", qPrintable(text));
+                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurrences of '&'", qPrintable(text));
 #endif
                 }
             }
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e22ec55..39c734e 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -8836,7 +8836,7 @@ void QWidget::mousePressEvent(QMouseEvent *event)
         QWidget* w;
         while ((w = QApplication::activePopupWidget()) && w != this){
             w->close();
-            if (QApplication::activePopupWidget() == w) // widget does not want to dissappear
+            if (QApplication::activePopupWidget() == w) // widget does not want to disappear
                 w->hide(); // hide at least
         }
         if (!rect().contains(event->pos())){
@@ -9305,7 +9305,7 @@ void QWidget::setInputMethodHints(Qt::InputMethodHints hints)
 #ifndef QT_NO_IM
     Q_D(QWidget);
     d->imHints = hints;
-    // Optimisation to update input context only it has already been created.
+    // Optimization to update input context only it has already been created.
     if (d->ic || qApp->d_func()->inputContext) {
         QInputContext *ic = inputContext();
         if (ic)
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index cf4bdf1..97917ba 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -57,7 +57,7 @@
 #include <eikbtgpc.h>
 #endif
 
-// This is necessary in order to be able to perform delayed invokation on slots
+// This is necessary in order to be able to perform delayed invocation on slots
 // which take arguments of type WId.  One example is
 // QWidgetPrivate::_q_delayedDestroy, which is used to delay destruction of
 // CCoeControl objects until after the CONE event handler has finished running.
diff --git a/src/gui/kernel/qx11embed_x11.cpp b/src/gui/kernel/qx11embed_x11.cpp
index 9f1b1f8..e6e3bfb 100644
--- a/src/gui/kernel/qx11embed_x11.cpp
+++ b/src/gui/kernel/qx11embed_x11.cpp
@@ -1136,7 +1136,7 @@ void QX11EmbedContainer::paintEvent(QPaintEvent *)
 
 /*! \internal
 
-    Returns wether or not the windows' embedded flag is set.
+    Returns whether or not the windows' embedded flag is set.
 */
 bool QX11EmbedContainerPrivate::isEmbedded() const
 {
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index b609f7b..2daa1f0 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -65,7 +65,7 @@ static inline int qt_next_power_of_two(int v)
     return v;
 }
 
-void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
+bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
                                   const QFixedPoint *)
 {
 #ifdef CACHE_DEBUG
@@ -119,7 +119,7 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
         rowHeight = qMax(rowHeight, glyph_height);
     }
     if (listItemCoordinates.isEmpty())
-        return;
+        return true;
 
     rowHeight += margin * 2 + paddingDoubled;
     if (isNull())
@@ -150,6 +150,13 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
             int new_height = m_h*2;
             while (new_height < m_cy + c.h)
                 new_height *= 2;
+
+            if (maxTextureHeight() > 0 && new_height > maxTextureHeight()) {
+                // We can't make a new texture of the required size, so
+                // bail out
+                return false;
+            }
+
             // if no room in the current texture - realloc a larger texture
             resizeTextureData(m_w, new_height);
             m_h = new_height;
@@ -165,7 +172,7 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
         ++iter;
     }
 
-
+    return true;
 }
 
 QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const
@@ -259,11 +266,14 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g)
     }
 #endif
 
-    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {
-        QPainter p(&m_image);
+    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {        
+        QImage ref(m_image.bits() + (c.x * 4 + c.y * m_image.bytesPerLine()),
+                   qMax(mask.width(), c.w), qMax(mask.height(), c.h), m_image.bytesPerLine(),
+                   m_image.format());
+        QPainter p(&ref);
         p.setCompositionMode(QPainter::CompositionMode_Source);
-        p.fillRect(c.x, c.y, c.w, c.h, QColor(0,0,0,0)); // TODO optimize this
-        p.drawImage(c.x, c.y, mask);
+        p.fillRect(0, 0, c.w, c.h, QColor(0,0,0,0)); // TODO optimize this
+        p.drawImage(0, 0, mask);
         p.end();
     } else if (m_type == QFontEngineGlyphCache::Raster_Mono) {
         if (mask.depth() > 1) {
diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h
index e6d2b22..94cb555 100644
--- a/src/gui/painting/qtextureglyphcache_p.h
+++ b/src/gui/painting/qtextureglyphcache_p.h
@@ -96,7 +96,7 @@ public:
         int baseLineY;
     };
 
-    void populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
+    bool populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
                   const QFixedPoint *positions);
 
     virtual void createTextureData(int width, int height) = 0;
@@ -118,7 +118,7 @@ public:
 
     QImage textureMapForGlyph(glyph_t g) const;
     virtual int maxTextureWidth() const { return QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH; }
-    virtual int maxTextureHeight() const { return 32768; }
+    virtual int maxTextureHeight() const { return -1; }
 
 protected:
     QFontEngine *m_current_fontengine;
diff --git a/src/gui/util/qundostack.cpp b/src/gui/util/qundostack.cpp
index 919ac3c..04cfca9 100644
--- a/src/gui/util/qundostack.cpp
+++ b/src/gui/util/qundostack.cpp
@@ -441,7 +441,7 @@ bool QUndoStackPrivate::checkUndoLimit()
 
 /*!
     Constructs an empty undo stack with the parent \a parent. The
-    stack will initally be in the clean state. If \a parent is a
+    stack will initially be in the clean state. If \a parent is a
     QUndoGroup object, the stack is automatically added to the group.
 
     \sa push()
diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 70ef7ba..0479d83 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -728,7 +728,7 @@ void CSymbianCertificateRetriever::RunL()
         if (iStatus.Int() == KErrNone)
             iCertificates->append(iCertificateData);
         else
-            qWarning() << "CSymbianCertificateRetriever: failed to retreive a certificate, error " << iStatus.Int();
+            qWarning() << "CSymbianCertificateRetriever: failed to retrieve a certificate, error " << iStatus.Int();
         GetCertificateL();
         break;
     }
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 1dcb773..3ddc15a 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1212,6 +1212,9 @@ void QGL2PaintEngineExPrivate::stroke(const QVectorPath &path, const QPen &pen)
         stroker.process(dashStroke, pen, clip);
     }
 
+    if (!stroker.vertexCount())
+        return;
+
     if (opaque) {
         prepareForDraw(opaque);
         setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, stroker.vertices());
@@ -1479,6 +1482,8 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
     if (!cache || cache->cacheType() != glyphType) {
         cache = new QGLTextureGlyphCache(ctx, glyphType, QTransform());
         staticTextItem->fontEngine()->setGlyphCache(ctx, cache);
+    } else if (cache->context() == 0) { // Old context has been destroyed, new context has same ptr value
+        cache->setContext(ctx);
     }
 
     bool recreateVertexArrays = false;
@@ -1494,8 +1499,13 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type glyp
     // cache so this text is performed before we test if the cache size has changed.
     if (recreateVertexArrays) {
         cache->setPaintEnginePrivate(this);
-        cache->populate(staticTextItem->fontEngine(), staticTextItem->numGlyphs,
-                        staticTextItem->glyphs, staticTextItem->glyphPositions);
+        if (!cache->populate(staticTextItem->fontEngine(), staticTextItem->numGlyphs,
+			     staticTextItem->glyphs, staticTextItem->glyphPositions)) {
+	    // No space in cache. We need to clear the cache and try again
+            cache->clear();
+            cache->populate(staticTextItem->fontEngine(), staticTextItem->numGlyphs,
+			    staticTextItem->glyphs, staticTextItem->glyphPositions);
+	}
     }
 
     if (cache->width() == 0 || cache->height() == 0)
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
index 919c542..705ad09 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -54,11 +54,18 @@ extern Q_GUI_EXPORT bool qt_cleartype_enabled;
 
 QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix)
     : QImageTextureGlyphCache(type, matrix)
-    , ctx(context)
+    , ctx(0)
     , m_width(0)
     , m_height(0)
     , m_filterMode(Nearest)
 {
+    setContext(context);
+}
+
+void QGLTextureGlyphCache::setContext(QGLContext *context)
+{
+    ctx = context;
+
     // broken FBO readback is a bug in the SGX 1.3 and 1.4 drivers for the N900 where
     // copying between FBO's is broken if the texture is either GL_ALPHA or POT. The
     // workaround is to use a system-memory copy of the glyph cache for this device.
@@ -71,7 +78,7 @@ QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyph
             SLOT(contextDestroyed(const QGLContext*)));
 }
 
-QGLTextureGlyphCache::~QGLTextureGlyphCache()
+void QGLTextureGlyphCache::clear() 
 {
     if (ctx) {
         QGLShareContextScope scope(ctx);
@@ -81,7 +88,24 @@ QGLTextureGlyphCache::~QGLTextureGlyphCache()
 
         if (m_width || m_height)
             glDeleteTextures(1, &m_texture);
+
+        m_fbo = 0;
+        m_texture = 0;
+        m_width = 0;
+        m_height = 0;
+        m_w = 0;
+        m_h = 0;
+        m_cx = 0;
+        m_cy = 0;
+        m_currentRowHeight = 0;
+        coords.clear();
     }
+  
+}
+
+QGLTextureGlyphCache::~QGLTextureGlyphCache()
+{
+    clear();
 }
 
 void QGLTextureGlyphCache::createTextureData(int width, int height)
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
index e22146d..aaef350 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
@@ -90,6 +90,9 @@ public:
     FilterMode filterMode() const { return m_filterMode; }
     void setFilterMode(FilterMode m) { m_filterMode = m; }
 
+    void setContext(QGLContext *context);
+    QGLContext *context() const { return ctx; }
+
 public Q_SLOTS:
     void contextDestroyed(const QGLContext *context) {
         if (context == ctx) {
@@ -98,10 +101,20 @@ public Q_SLOTS:
                 // the context may not be current, so we cannot directly
                 // destroy the fbo and texture here, but since the context
                 // is about to be destroyed, the GL server will do the
-                // clean up for us anyway
+                // clean up for us anyway. We reset everything, so that the
+                // glyph cache object can be reused later by setting a new
+                // context on it.
                 m_fbo = 0;
                 m_texture = 0;
                 ctx = 0;
+                m_width = 0;
+                m_height = 0;
+                m_w = 0;
+                m_h = 0;
+                m_cx = 0;
+                m_cy = 0;
+                m_currentRowHeight = 0;
+                coords.clear();
             } else {
                 // since the context holding the texture is shared, and
                 // about to be destroyed, we have to transfer ownership
@@ -111,6 +124,8 @@ public Q_SLOTS:
         }
     }
 
+    void clear();
+
 private:
     QGLContext *ctx;
 
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 4742bdb..b46d428 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -506,7 +506,8 @@ private slots:
             // when you come to delete the context.
             QGLContextPrivate::unbindPixmapFromTexture(boundPixmap);
             glDeleteTextures(1, &id);
-            oldContext->makeCurrent();
+            if (oldContext)
+                oldContext->makeCurrent();
             return;
         }
 #endif
diff --git a/src/plugins/bearer/symbian/symbianengine.cpp b/src/plugins/bearer/symbian/symbianengine.cpp
index 33fa508..f025d86 100644
--- a/src/plugins/bearer/symbian/symbianengine.cpp
+++ b/src/plugins/bearer/symbian/symbianengine.cpp
@@ -981,7 +981,7 @@ void SymbianEngine::RunL()
     QMutexLocker locker(&mutex);
 
     if (iStatus != KErrCancel) {
-        // By default, start relistening notifications. Stop only if interesting event occured.
+        // By default, start relistening notifications. Stop only if interesting event occurred.
         iWaitingCommsDatabaseNotifications = true;
         RDbNotifier::TEvent event = STATIC_CAST(RDbNotifier::TEvent, iStatus.Int());
         switch (event) {
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
index 063af13..507f70b 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
@@ -83,7 +83,7 @@ QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const
 QPixmapData *QMeeGoGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const
 {
     // Long story short: without this it's possible to hit an
-    // unitialized paintDevice due to a Qt bug too complex to even
+    // uninitialized paintDevice due to a Qt bug too complex to even
     // explain here... not to mention fix without going crazy.
     // MDK
     QGLShareContextScope ctx(qt_gl_share_widget()->context());
diff --git a/src/s60installs/bwins/QtGuiu.def b/src/s60installs/bwins/QtGuiu.def
index c91b22c..dc8a865 100644
--- a/src/s60installs/bwins/QtGuiu.def
+++ b/src/s60installs/bwins/QtGuiu.def
@@ -12898,4 +12898,10 @@ EXPORTS
 	?qmljsDebugArgumentsString@QApplicationPrivate@@SA?AVQString@@XZ @ 12897 NONAME ; class QString QApplicationPrivate::qmljsDebugArgumentsString(void)
 	?convertToPostscriptFontFamilyName@QFontEngine@@SA?AVQByteArray@@ABV2@@Z @ 12898 NONAME ; class QByteArray QFontEngine::convertToPostscriptFontFamilyName(class QByteArray const &)
 	?lastResortFont@QFont@@QBE?AVQString@@XZ @ 12899 NONAME ; class QString QFont::lastResortFont(void) const
+	?setFontEngine@QStaticTextItem@@QAEXPAVQFontEngine@@@Z @ 12900 NONAME ; void QStaticTextItem::setFontEngine(class QFontEngine *)
+	??0QStaticTextItem@@QAE@ABV0@@Z @ 12901 NONAME ; QStaticTextItem::QStaticTextItem(class QStaticTextItem const &)
+	??4QStaticTextItem@@QAEXABV0@@Z @ 12902 NONAME ; void QStaticTextItem::operator=(class QStaticTextItem const &)
+	?fontEngine@QStaticTextItem@@QBEPAVQFontEngine@@XZ @ 12903 NONAME ; class QFontEngine * QStaticTextItem::fontEngine(void) const
+	?reactivateDeferredActiveObjects@QEventDispatcherS60@@UAEXXZ @ 12904 NONAME ; void QEventDispatcherS60::reactivateDeferredActiveObjects(void)
+	?userData@QStaticTextItem@@QBEPAVQStaticTextUserData@@XZ @ 12905 NONAME ; class QStaticTextUserData * QStaticTextItem::userData(void) const
 
diff --git a/src/s60installs/bwins/QtOpenGLu.def b/src/s60installs/bwins/QtOpenGLu.def
index fa340e4..620fcb9 100644
--- a/src/s60installs/bwins/QtOpenGLu.def
+++ b/src/s60installs/bwins/QtOpenGLu.def
@@ -8,7 +8,7 @@ EXPORTS
 	?d_func@QGLShader@@AAEPAVQGLShaderPrivate@@XZ @ 7 NONAME ; class QGLShaderPrivate * QGLShader::d_func(void)
 	?bindToDynamicTexture@QGLPixelBuffer@@QAE_NI@Z @ 8 NONAME ; bool QGLPixelBuffer::bindToDynamicTexture(unsigned int)
 	??0QGLWidget@@QAE@PAVQGLContext@@PAVQWidget@@PBV0@V?$QFlags@W4WindowType@Qt@@@@@Z @ 9 NONAME ; QGLWidget::QGLWidget(class QGLContext *, class QWidget *, class QGLWidget const *, class QFlags<enum Qt::WindowType>)
-	??_EQGLFormat@@QAE@I@Z @ 10 NONAME ; QGLFormat::~QGLFormat(unsigned int)
+	??_EQGLFormat@@QAE@I@Z @ 10 NONAME ABSENT ; QGLFormat::~QGLFormat(unsigned int)
 	?drawPixmapFragments@QGL2PaintEngineEx@@UAEXPBVPixmapFragment@QPainter@@HABVQPixmap@@V?$QFlags@W4PixmapFragmentHint@QPainter@@@@@Z @ 11 NONAME ; void QGL2PaintEngineEx::drawPixmapFragments(class QPainter::PixmapFragment const *, int, class QPixmap const &, class QFlags<enum QPainter::PixmapFragmentHint>)
 	?paintEngine@QGLWidget@@UBEPAVQPaintEngine@@XZ @ 12 NONAME ; class QPaintEngine * QGLWidget::paintEngine(void) const
 	?setPreferredPaintEngine@QGL@@YAXW4Type@QPaintEngine@@@Z @ 13 NONAME ; void QGL::setPreferredPaintEngine(enum QPaintEngine::Type)
@@ -107,7 +107,7 @@ EXPORTS
 	??0QGLContext@@QAE@ABVQGLFormat@@@Z @ 106 NONAME ; QGLContext::QGLContext(class QGLFormat const &)
 	?geometryOutputVertexCount@QGLShaderProgram@@QBEHXZ @ 107 NONAME ; int QGLShaderProgram::geometryOutputVertexCount(void) const
 	?setAccum@QGLFormat@@QAEX_N@Z @ 108 NONAME ; void QGLFormat::setAccum(bool)
-	??0QGLSignalProxy@@QAE@XZ @ 109 NONAME ; QGLSignalProxy::QGLSignalProxy(void)
+	??0QGLSignalProxy@@QAE@XZ @ 109 NONAME ABSENT ; QGLSignalProxy::QGLSignalProxy(void)
 	?isUninitialized@QGLPixmapData@@ABE_NXZ @ 110 NONAME ; bool QGLPixmapData::isUninitialized(void) const
 	??0QGLFramebufferObjectFormat@@QAE@XZ @ 111 NONAME ; QGLFramebufferObjectFormat::QGLFramebufferObjectFormat(void)
 	??8@YA_NABVQGLFormat@@0@Z @ 112 NONAME ; bool operator==(class QGLFormat const &, class QGLFormat const &)
@@ -496,7 +496,7 @@ EXPORTS
 	?setUniformValue@QGLShaderProgram@@QAEXPBDABVQSize@@@Z @ 495 NONAME ; void QGLShaderProgram::setUniformValue(char const *, class QSize const &)
 	?convertToGLFormat@QGLWidget@@SA?AVQImage@@ABV2@@Z @ 496 NONAME ; class QImage QGLWidget::convertToGLFormat(class QImage const &)
 	?staticMetaObject@QGLTextureGlyphCache@@2UQMetaObject@@B @ 497 NONAME ; struct QMetaObject const QGLTextureGlyphCache::staticMetaObject
-	??_EQGLContextResource@@QAE@I@Z @ 498 NONAME ; QGLContextResource::~QGLContextResource(unsigned int)
+	??_EQGLContextResource@@QAE@I@Z @ 498 NONAME ABSENT ; QGLContextResource::~QGLContextResource(unsigned int)
 	?handle@QGLColormap@@IAEKXZ @ 499 NONAME ; unsigned long QGLColormap::handle(void)
 	?isCreated@QGLBuffer@@QBE_NXZ @ 500 NONAME ; bool QGLBuffer::isCreated(void) const
 	?setColormap@QGLWidget@@QAEXABVQGLColormap@@@Z @ 501 NONAME ; void QGLWidget::setColormap(class QGLColormap const &)
@@ -698,4 +698,9 @@ EXPORTS
 	?setProfile@QGLFormat@@QAEXW4OpenGLContextProfile@1@@Z @ 697 NONAME ; void QGLFormat::setProfile(enum QGLFormat::OpenGLContextProfile)
 	?updateDynamicTexture@QGLPixelBuffer@@QBEXI@Z @ 698 NONAME ; void QGLPixelBuffer::updateDynamicTexture(unsigned int) const
 	?setUniformValue@QGLShaderProgram@@QAEXHH@Z @ 699 NONAME ; void QGLShaderProgram::setUniformValue(int, int)
+	?maxTextureHeight@QGLTextureGlyphCache@@UBEHXZ @ 700 NONAME ; int QGLTextureGlyphCache::maxTextureHeight(void) const
+	?initializeOffscreenTexture@QGLWindowSurface@@AAE_NABVQSize@@@Z @ 701 NONAME ; bool QGLWindowSurface::initializeOffscreenTexture(class QSize const &)
+	?maxTextureWidth@QGLTextureGlyphCache@@UBEHXZ @ 702 NONAME ; int QGLTextureGlyphCache::maxTextureWidth(void) const
+	?filterMode@QGLTextureGlyphCache@@QBE?AW4FilterMode@1@XZ @ 703 NONAME ; enum QGLTextureGlyphCache::FilterMode QGLTextureGlyphCache::filterMode(void) const
+	?setFilterMode@QGLTextureGlyphCache@@QAEXW4FilterMode@1@@Z @ 704 NONAME ; void QGLTextureGlyphCache::setFilterMode(enum QGLTextureGlyphCache::FilterMode)
 
diff --git a/src/s60installs/eabi/QtOpenGLu.def b/src/s60installs/eabi/QtOpenGLu.def
index 7ceade4..c92d99e 100644
--- a/src/s60installs/eabi/QtOpenGLu.def
+++ b/src/s60installs/eabi/QtOpenGLu.def
@@ -702,4 +702,9 @@ EXPORTS
 	_ZeqRK9QGLFormatS1_ @ 701 NONAME
 	_Zls6QDebugRK9QGLFormat @ 702 NONAME
 	_ZneRK9QGLFormatS1_ @ 703 NONAME
+	_ZN16QGLWindowSurface26initializeOffscreenTextureERK5QSize @ 704 NONAME
+	_ZNK20QGLTextureGlyphCache15maxTextureWidthEv @ 705 NONAME
+	_ZNK20QGLTextureGlyphCache16maxTextureHeightEv @ 706 NONAME
+	_ZThn8_NK20QGLTextureGlyphCache15maxTextureWidthEv @ 707 NONAME
+	_ZThn8_NK20QGLTextureGlyphCache16maxTextureHeightEv @ 708 NONAME
 
diff --git a/src/script/api/qscriptcontextinfo.cpp b/src/script/api/qscriptcontextinfo.cpp
index a90e014..8528dec 100644
--- a/src/script/api/qscriptcontextinfo.cpp
+++ b/src/script/api/qscriptcontextinfo.cpp
@@ -177,7 +177,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
            fileName = source->url();
     }
 
-    // Get the others informations:
+    // Get the others information:
     JSC::JSObject *callee = frame->callee();
     if (callee && callee->inherits(&JSC::InternalFunction::info))
         functionName = JSC::asInternalFunction(callee)->name(frame);
diff --git a/src/xmlpatterns/expr/qarithmeticexpression_p.h b/src/xmlpatterns/expr/qarithmeticexpression_p.h
index 66c1f13..6ff8219 100644
--- a/src/xmlpatterns/expr/qarithmeticexpression_p.h
+++ b/src/xmlpatterns/expr/qarithmeticexpression_p.h
@@ -62,7 +62,7 @@ QT_BEGIN_NAMESPACE
 namespace QPatternist
 {
     /**
-     * @short Implements arithmetics, such as multiplication and substraction.
+     * @short Implements arithmetics, such as multiplication and subtraction.
      *
      *
      * Optimizations: there's some operator/value combos that are no ops. For