Merge remote-tracking branch 'origin/4.7' into qt-4.8-from-4.7

Conflicts:
	src/corelib/kernel/qeventdispatcher_symbian.cpp
	src/declarative/qml/qdeclarativetypeloader.cpp
	src/imports/gestures/gestures.pro
	src/imports/particles/particles.pro
	src/opengl/qgl.cpp
	src/opengl/qgl_p.h
	src/s60installs/bwins/QtGuiu.def
	src/s60installs/eabi/QtGuiu.def
	tests/auto/declarative/qdeclarativescriptdebugging/qdeclarativescriptdebugging.pro
	tests/auto/declarative/qdeclarativewebview/qdeclarativewebview.pro
	tests/auto/qaudioinput/qaudioinput.pro
	tests/auto/qaudiooutput/qaudiooutput.pro
	tests/auto/qchar/qchar.pro
	tests/auto/qclipboard/test/test.pro
	tests/auto/qsound/qsound.pro

28 files changed, 447 insertions, 102 deletions

diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index b216075e9d..fca2feb937 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -60,6 +60,24 @@ QT_BEGIN_NAMESPACE
 #define WAKE_UP_PRIORITY CActive::EPriorityStandard
 #define TIMER_PRIORITY CActive::EPriorityHigh
 
+class Incrementer {
+    int &variable;
+public:
+    inline Incrementer(int &variable) : variable(variable)
+    { ++variable; }
+    inline ~Incrementer()
+    { --variable; }
+};
+
+class Decrementer {
+    int &variable;
+public:
+    inline Decrementer(int &variable) : variable(variable)
+    { --variable; }
+    inline ~Decrementer()
+    { ++variable; }
+};
+
 static inline int qt_pipe_write(int socket, const char *data, qint64 len)
 {
 	return ::write(socket, data, len);
@@ -951,6 +969,8 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
 #endif
 
         while (1) {
+            //native active object callbacks are logically part of the event loop, so inc nesting level
+            Incrementer inc(d->threadData->loopLevel);
             if (block) {
                 // This is where Qt will spend most of its time.
                 CActiveScheduler::Current()->WaitForAnyRequest();
@@ -1045,6 +1065,7 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
 
 void QEventDispatcherSymbian::timerFired(int timerId)
 {
+    Q_D(QAbstractEventDispatcher);
     QHash<int, SymbianTimerInfoPtr>::iterator i = m_timerList.find(timerId);
     if (i == m_timerList.end()) {
         // The timer has been deleted. Ignore this event.
@@ -1063,6 +1084,8 @@ void QEventDispatcherSymbian::timerFired(int timerId)
     m_insideTimerEvent = true;
 
     QTimerEvent event(timerInfo->timerId);
+    //undo the added nesting level around RunIfReady, since Qt's event system also nests
+    Decrementer dec(d->threadData->loopLevel);
     QCoreApplication::sendEvent(timerInfo->receiver, &event);
 
     m_insideTimerEvent = oldInsideTimerEventValue;
@@ -1073,6 +1096,7 @@ void QEventDispatcherSymbian::timerFired(int timerId)
 
 void QEventDispatcherSymbian::wakeUpWasCalled()
 {
+    Q_D(QAbstractEventDispatcher);
     // The reactivation should happen in RunL, right before the call to this function.
     // This is because m_wakeUpDone is the "signal" that the object can be completed
     // once more.
@@ -1082,6 +1106,8 @@ void QEventDispatcherSymbian::wakeUpWasCalled()
     // the sendPostedEvents was done, but before the object was ready to be completed
     // again. This could deadlock the application if there are no other posted events.
     m_wakeUpDone.fetchAndStoreOrdered(0);
+    //undo the added nesting level around RunIfReady, since Qt's event system also nests
+    Decrementer dec(d->threadData->loopLevel);
     sendPostedEvents();
 }
 
diff --git a/src/corelib/kernel/qtranslator.cpp b/src/corelib/kernel/qtranslator.cpp
index d2554229e2..dfc90e8ee5 100644
--- a/src/corelib/kernel/qtranslator.cpp
+++ b/src/corelib/kernel/qtranslator.cpp
@@ -51,6 +51,7 @@
 #include "qcoreapplication.h"
 #include "qcoreapplication_p.h"
 #include "qdatastream.h"
+#include "qdir.h"
 #include "qfile.h"
 #include "qmap.h"
 #include "qalgorithms.h"
@@ -63,6 +64,10 @@
 #include "private/qcore_unix_p.h"
 #endif
 
+#ifdef Q_OS_SYMBIAN
+#include "private/qcore_symbian_p.h"
+#endif
+
 // most of the headers below are already included in qplatformdefs.h
 // also this lacks Large File support but that's probably irrelevant
 #if defined(QT_USE_MMAP)
@@ -405,11 +410,24 @@ bool QTranslator::load(const QString & filename, const QString & directory,
 
     QString prefix;
     if (QFileInfo(filename).isRelative()) {
+#ifdef Q_OS_SYMBIAN
+        if (directory.isEmpty())
+            prefix = QCoreApplication::applicationDirPath();
+        else
+            prefix = QFileInfo(directory).absoluteFilePath(); //TFindFile doesn't like dirty paths
+        if (prefix.length() > 2 && prefix.at(1) == QLatin1Char(':') && prefix.at(0).isLetter())
+            prefix[0] = QLatin1Char('Y');
+#else
         prefix = directory;
-	if (prefix.length() && !prefix.endsWith(QLatin1Char('/')))
-	    prefix += QLatin1Char('/');
+#endif
+        if (prefix.length() && !prefix.endsWith(QLatin1Char('/')))
+            prefix += QLatin1Char('/');
     }
 
+#ifdef Q_OS_SYMBIAN
+    QString nativePrefix = QDir::toNativeSeparators(prefix);
+#endif
+
     QString fname = filename;
     QString realname;
     QString delims;
@@ -418,6 +436,24 @@ bool QTranslator::load(const QString & filename, const QString & directory,
     for (;;) {
         QFileInfo fi;
 
+#ifdef Q_OS_SYMBIAN
+        //search for translations on other drives, e.g. Qt may be in Z, while app is in C
+        //note this uses symbian search rules, i.e. y:->a:, followed by z:
+        TFindFile finder(qt_s60GetRFs());
+        QString fname2 = fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
+        TInt err = finder.FindByDir(
+            qt_QString2TPtrC(fname2),
+            qt_QString2TPtrC(nativePrefix));
+        if (err != KErrNone)
+            err = finder.FindByDir(qt_QString2TPtrC(fname), qt_QString2TPtrC(nativePrefix));
+        if (err == KErrNone) {
+            fi.setFile(qt_TDesC2QString(finder.File()));
+            realname = fi.canonicalFilePath();
+            if (fi.isReadable() && fi.isFile())
+                break;
+        }
+#endif
+
         realname = prefix + fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
         fi.setFile(realname);
         if (fi.isReadable() && fi.isFile())
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp
index a7d593a6b2..0a749109bf 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp
@@ -1083,25 +1083,29 @@ void QDeclarativeGridViewPrivate::fixup(AxisData &data, qreal minExtent, qreal m
             tempPosition -= bias;
         }
         FxGridItem *topItem = snapItemAt(tempPosition+highlightStart);
+        if (!topItem && strictHighlightRange && currentItem) {
+            // StrictlyEnforceRange always keeps an item in range
+            updateHighlight();
+            topItem = currentItem;
+        }
         FxGridItem *bottomItem = snapItemAt(tempPosition+highlightEnd);
+        if (!bottomItem && strictHighlightRange && currentItem) {
+            // StrictlyEnforceRange always keeps an item in range
+            updateHighlight();
+            bottomItem = currentItem;
+        }
         qreal pos;
-        if (topItem && bottomItem && strictHighlightRange) {
-            qreal topPos = qMin(topItem->rowPos() - highlightStart, -maxExtent);
-            qreal bottomPos = qMax(bottomItem->rowPos() - highlightEnd, -minExtent);
-            pos = qAbs(data.move + topPos) < qAbs(data.move + bottomPos) ? topPos : bottomPos;
-        } else if (topItem) {
-            qreal headerPos = 0;
-            if (header)
-                headerPos = isRightToLeftTopToBottom() ? header->rowPos() + cellWidth - headerSize() : header->rowPos();
-            if (topItem->index == 0 && header && tempPosition+highlightStart < headerPos+headerSize()/2 && !strictHighlightRange) {
-                pos = isRightToLeftTopToBottom() ? - headerPos + highlightStart - size() : headerPos - highlightStart;
+        bool isInBounds = -position() > maxExtent && -position() <= minExtent;
+        if (topItem && (isInBounds || strictHighlightRange)) {
+            if (topItem->index == 0 && header && tempPosition+highlightStart < header->rowPos()+headerSize()/2 && !strictHighlightRange) {
+                pos = isRightToLeftTopToBottom() ? - header->rowPos() + highlightStart - size() : header->rowPos() - highlightStart;
             } else {
                 if (isRightToLeftTopToBottom())
                     pos = qMax(qMin(-topItem->rowPos() + highlightStart - size(), -maxExtent), -minExtent);
                 else
                     pos = qMax(qMin(topItem->rowPos() - highlightStart, -maxExtent), -minExtent);
             }
-        } else if (bottomItem) {
+        } else if (bottomItem && isInBounds) {
             if (isRightToLeftTopToBottom())
                 pos = qMax(qMin(-bottomItem->rowPos() + highlightEnd - size(), -maxExtent), -minExtent);
             else
@@ -2247,9 +2251,10 @@ qreal QDeclarativeGridView::minXExtent() const
     qreal extent = -d->startPosition();
     qreal highlightStart;
     qreal highlightEnd;
-    qreal endPositionFirstItem;
+    qreal endPositionFirstItem = 0;
     if (d->isRightToLeftTopToBottom()) {
-        endPositionFirstItem = d->rowPosAt(d->model->count()-1);
+        if (d->model && d->model->count())
+            endPositionFirstItem = d->rowPosAt(d->model->count()-1);
         highlightStart = d->highlightRangeStartValid
                 ? d->highlightRangeStart - (d->lastPosition()-endPositionFirstItem)
                 : d->size() - (d->lastPosition()-endPositionFirstItem);
@@ -2264,7 +2269,7 @@ qreal QDeclarativeGridView::minXExtent() const
             extent += d->header->item->width();
     }
     if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) {
-        extent += highlightStart;
+        extent += d->isRightToLeftTopToBottom() ? -highlightStart : highlightStart;
         extent = qMax(extent, -(endPositionFirstItem - highlightEnd));
     }
     return extent;
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index 44d6a1a7f4..7638b2b688 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -1326,10 +1326,20 @@ void QDeclarativeListViewPrivate::fixup(AxisData &data, qreal minExtent, qreal m
             tempPosition -= bias;
         }
         FxListItem *topItem = snapItemAt(tempPosition+highlightStart);
+        if (!topItem && strictHighlightRange && currentItem) {
+            // StrictlyEnforceRange always keeps an item in range
+            updateHighlight();
+            topItem = currentItem;
+        }
         FxListItem *bottomItem = snapItemAt(tempPosition+highlightEnd);
+        if (!bottomItem && strictHighlightRange && currentItem) {
+            // StrictlyEnforceRange always keeps an item in range
+            updateHighlight();
+            bottomItem = currentItem;
+        }
         qreal pos;
         bool isInBounds = -position() > maxExtent && -position() <= minExtent;
-        if (topItem && isInBounds) {
+        if (topItem && (isInBounds || strictHighlightRange)) {
             if (topItem->index == 0 && header && tempPosition+highlightStart < header->position()+header->size()/2 && !strictHighlightRange) {
                 pos = isRightToLeft() ? - header->position() + highlightStart - size() : header->position() - highlightStart;
             } else {
@@ -2754,7 +2764,7 @@ qreal QDeclarativeListView::minXExtent() const
                 d->minExtent += d->header->size();
         }
         if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) {
-            d->minExtent += highlightStart;
+            d->minExtent += d->isRightToLeft() ? -highlightStart : highlightStart;
             d->minExtent = qMax(d->minExtent, -(endPositionFirstItem - highlightEnd + 1));
         }
         d->minExtentDirty = false;
diff --git a/src/declarative/qml/qdeclarativedirparser.cpp b/src/declarative/qml/qdeclarativedirparser.cpp
index 1d4db40386..74ebda2ec0 100644
--- a/src/declarative/qml/qdeclarativedirparser.cpp
+++ b/src/declarative/qml/qdeclarativedirparser.cpp
@@ -41,8 +41,10 @@
 
 #include "private/qdeclarativedirparser_p.h"
 #include "qdeclarativeerror.h"
+#include <private/qdeclarativeglobal_p.h>
 
 #include <QtCore/QTextStream>
+#include <QtCore/QFile>
 #include <QtCore/QtDebug>
 
 QT_BEGIN_NAMESPACE
@@ -66,6 +68,16 @@ void QDeclarativeDirParser::setUrl(const QUrl &url)
     _url = url;
 }
 
+QString QDeclarativeDirParser::fileSource() const
+{
+    return _filePathSouce;
+}
+
+void QDeclarativeDirParser::setFileSource(const QString &filePath)
+{
+    _filePathSouce = filePath;
+}
+
 QString QDeclarativeDirParser::source() const
 {
     return _source;
@@ -92,6 +104,23 @@ bool QDeclarativeDirParser::parse()
     _plugins.clear();
     _components.clear();
 
+    if (_source.isEmpty() && !_filePathSouce.isEmpty()) {
+        QFile file(_filePathSouce);
+        if (!QDeclarative_isFileCaseCorrect(_filePathSouce)) {
+            QDeclarativeError error;
+            error.setDescription(QString::fromUtf8("cannot load module \"$$URI$$\": File name case mismatch for \"%1\"").arg(_filePathSouce));
+            _errors.prepend(error);
+            return false;
+        } else if (file.open(QFile::ReadOnly)) {
+            _source = QString::fromUtf8(file.readAll());
+        } else {
+            QDeclarativeError error;
+            error.setDescription(QString::fromUtf8("module \"$$URI$$\" definition \"%1\" not readable").arg(_filePathSouce));
+            _errors.prepend(error);
+            return false;
+        }
+    }
+
     QTextStream stream(&_source);
     int lineNumber = 0;
 
@@ -224,9 +253,16 @@ bool QDeclarativeDirParser::hasError() const
     return false;
 }
 
-QList<QDeclarativeError> QDeclarativeDirParser::errors() const
+QList<QDeclarativeError> QDeclarativeDirParser::errors(const QString &uri) const
 {
-    return _errors;
+    QList<QDeclarativeError> errors = _errors;
+    for (int i = 0; i < errors.size(); ++i) {
+        QDeclarativeError &e = errors[i];
+        QString description = e.description();
+        description.replace(QLatin1String("$$URI$$"), uri);
+        e.setDescription(description);
+    }
+    return errors;
 }
 
 QList<QDeclarativeDirParser::Plugin> QDeclarativeDirParser::plugins() const
diff --git a/src/declarative/qml/qdeclarativedirparser_p.h b/src/declarative/qml/qdeclarativedirparser_p.h
index d40833ac45..273a2c73be 100644
--- a/src/declarative/qml/qdeclarativedirparser_p.h
+++ b/src/declarative/qml/qdeclarativedirparser_p.h
@@ -73,11 +73,14 @@ public:
     QString source() const;
     void setSource(const QString &source);
 
+    QString fileSource() const;
+    void setFileSource(const QString &filePath);
+
     bool isParsed() const;
     bool parse();
 
     bool hasError() const;
-    QList<QDeclarativeError> errors() const;
+    QList<QDeclarativeError> errors(const QString &uri) const;
 
     struct Plugin
     {
@@ -129,6 +132,7 @@ private:
     QList<QDeclarativeError> _errors;
     QUrl _url;
     QString _source;
+    QString _filePathSouce;
     QList<Component> _components;
     QList<Plugin> _plugins;
 #ifdef QT_CREATOR
diff --git a/src/declarative/qml/qdeclarativeimport.cpp b/src/declarative/qml/qdeclarativeimport.cpp
index c2f00865ef..21413ce3b1 100644
--- a/src/declarative/qml/qdeclarativeimport.cpp
+++ b/src/declarative/qml/qdeclarativeimport.cpp
@@ -80,16 +80,16 @@ public:
     QList<QDeclarativeDirComponents> qmlDirComponents;
 
 
-    bool find_helper(int i, const QByteArray& type, int *vmajor, int *vminor,
+    bool find_helper(QDeclarativeTypeLoader *typeLoader, int i, const QByteArray& type, int *vmajor, int *vminor,
                                  QDeclarativeType** type_return, QUrl* url_return,
                                  QUrl *base = 0, bool *typeRecursionDetected = 0);
-    bool find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return,
+    bool find(QDeclarativeTypeLoader *typeLoader, const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return,
               QUrl* url_return, QUrl *base = 0, QString *errorString = 0);
 };
 
 class QDeclarativeImportsPrivate {
 public:
-    QDeclarativeImportsPrivate();
+    QDeclarativeImportsPrivate(QDeclarativeTypeLoader *loader);
     ~QDeclarativeImportsPrivate();
 
     bool importExtension(const QString &absoluteFilePath, const QString &uri, 
@@ -112,6 +112,7 @@ public:
     QSet<QString> qmlDirFilesForWhichPluginsHaveBeenLoaded;
     QDeclarativeImportedNamespace unqualifiedset;
     QHash<QString,QDeclarativeImportedNamespace* > set;
+    QDeclarativeTypeLoader *typeLoader;
 };
 
 /*!
@@ -135,9 +136,12 @@ QDeclarativeImports::operator =(const QDeclarativeImports &copy)
     return *this;
 }
 
-QDeclarativeImports::QDeclarativeImports() 
-: d(new QDeclarativeImportsPrivate)
-{
+QDeclarativeImports::QDeclarativeImports()
+    : d(new QDeclarativeImportsPrivate(0)){
+}
+
+QDeclarativeImports::QDeclarativeImports(QDeclarativeTypeLoader *typeLoader)
+    : d(new QDeclarativeImportsPrivate(typeLoader)){
 }
 
 QDeclarativeImports::~QDeclarativeImports()
@@ -269,10 +273,11 @@ bool QDeclarativeImports::resolveType(QDeclarativeImportedNamespace* ns, const Q
                                       QDeclarativeType** type_return, QUrl* url_return, 
                                       int *vmaj, int *vmin) const
 {
-    return ns->find(type,vmaj,vmin,type_return,url_return);
+    Q_ASSERT(d->typeLoader);
+    return ns->find(d->typeLoader,type,vmaj,vmin,type_return,url_return);
 }
 
-bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, int *vmajor, int *vminor,
+bool QDeclarativeImportedNamespace::find_helper(QDeclarativeTypeLoader *typeLoader, int i, const QByteArray& type, int *vmajor, int *vminor,
                                  QDeclarativeType** type_return, QUrl* url_return,
                                  QUrl *base, bool *typeRecursionDetected)
 {
@@ -292,7 +297,6 @@ bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, i
         return true;
     }
 
-    QUrl url = QUrl(urls.at(i) + QLatin1Char('/') + QString::fromUtf8(type) + QLatin1String(".qml"));
     QDeclarativeDirComponents qmldircomponents = qmlDirComponents.at(i);
 
     bool typeWasDeclaredInQmldir = false;
@@ -304,6 +308,7 @@ bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, i
 
                 // importing version -1 means import ALL versions
                 if ((vmaj == -1) || (c.majorVersion < vmaj || (c.majorVersion == vmaj && vmin >= c.minorVersion))) {
+                    QUrl url = QUrl(urls.at(i) + QLatin1Char('/') + QString::fromUtf8(type) + QLatin1String(".qml"));
                     QUrl candidate = url.resolved(QUrl(c.fileName));
                     if (c.internal && base) {
                         if (base->resolved(QUrl(c.fileName)) != candidate)
@@ -324,8 +329,9 @@ bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, i
 
     if (!typeWasDeclaredInQmldir  && !isLibrary.at(i)) {
         // XXX search non-files too! (eg. zip files, see QT-524)
-        QFileInfo f(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url));
-        if (f.exists()) {
+        QUrl url = QUrl(urls.at(i) + QLatin1Char('/') + QString::fromUtf8(type) + QLatin1String(".qml"));
+        QString file = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url);
+        if (!typeLoader->absoluteFilePath(file).isEmpty()) {
             if (base && *base == url) { // no recursion
                 if (typeRecursionDetected)
                     *typeRecursionDetected = true;
@@ -339,9 +345,8 @@ bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, i
     return false;
 }
 
-QDeclarativeImportsPrivate::QDeclarativeImportsPrivate() 
-: ref(1)
-{
+QDeclarativeImportsPrivate::QDeclarativeImportsPrivate(QDeclarativeTypeLoader *loader)
+    : ref(1), typeLoader(loader){
 }
 
 QDeclarativeImportsPrivate::~QDeclarativeImportsPrivate()
@@ -354,33 +359,22 @@ bool QDeclarativeImportsPrivate::importExtension(const QString &absoluteFilePath
                                                  QDeclarativeImportDatabase *database, 
                                                  QDeclarativeDirComponents* components, QString *errorString) 
 {
-    QFile file(absoluteFilePath);
-    QString filecontent;
-    if (!QDeclarative_isFileCaseCorrect(absoluteFilePath)) {
-        if (errorString)
-            *errorString = QDeclarativeImportDatabase::tr("cannot load module \"%1\": File name case mismatch for \"%2\"").arg(uri).arg(absoluteFilePath);
-        return false;
-    } else if (file.open(QFile::ReadOnly)) {
-        filecontent = QString::fromUtf8(file.readAll());
-        if (qmlImportTrace())
-            qDebug().nospace() << "QDeclarativeImports(" << qPrintable(base.toString()) << "::importExtension: "
-                               << "loaded " << absoluteFilePath;
-    } else {
-        if (errorString)
-            *errorString = QDeclarativeImportDatabase::tr("module \"%1\" definition \"%2\" not readable").arg(uri).arg(absoluteFilePath);
+    Q_ASSERT(typeLoader);
+    const QDeclarativeDirParser *qmldirParser = typeLoader->qmlDirParser(absoluteFilePath);
+    if (qmldirParser->hasError()) {
+        if (errorString) {
+            const QList<QDeclarativeError> qmldirErrors = qmldirParser->errors(uri);
+            for (int i = 0; i < qmldirErrors.size(); ++i)
+                *errorString += qmldirErrors.at(i).description();
+        }
         return false;
     }
-    QDir dir = QFileInfo(file).dir();
-
-    QDeclarativeDirParser qmldirParser;
-    qmldirParser.setSource(filecontent);
-    qmldirParser.parse();
 
     if (! qmlDirFilesForWhichPluginsHaveBeenLoaded.contains(absoluteFilePath)) {
         qmlDirFilesForWhichPluginsHaveBeenLoaded.insert(absoluteFilePath);
 
-
-        foreach (const QDeclarativeDirParser::Plugin &plugin, qmldirParser.plugins()) {
+        QDir dir = QFileInfo(absoluteFilePath).dir();
+        foreach (const QDeclarativeDirParser::Plugin &plugin, qmldirParser->plugins()) {
 
             QString resolvedFilePath = database->resolvePlugin(dir, plugin.path, plugin.name);
 #if defined(QT_LIBINFIX) && defined(Q_OS_SYMBIAN)
@@ -405,7 +399,7 @@ bool QDeclarativeImportsPrivate::importExtension(const QString &absoluteFilePath
     }
 
     if (components)
-        *components = qmldirParser.components();
+        *components = qmldirParser->components();
 
     return true;
 }
@@ -446,6 +440,7 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
                                      QDeclarativeScriptParser::Import::Type importType, 
                                      QDeclarativeImportDatabase *database, QString *errorString)
 {
+    Q_ASSERT(typeLoader);
     QDeclarativeDirComponents qmldircomponents = qmldircomponentsnetwork;
     QString uri = uri_arg;
     QDeclarativeImportedNamespace *s;
@@ -463,20 +458,20 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
         url.replace(QLatin1Char('.'), QLatin1Char('/'));
         bool found = false;
         QString dir;
-
+        QString qmldir;
 
         // step 1: search for extension with fully encoded version number
         if (vmaj >= 0 && vmin >= 0) {
             foreach (const QString &p, database->fileImportPath) {
                 dir = p+QLatin1Char('/')+url;
+                qmldir = dir+QString(QLatin1String(".%1.%2")).arg(vmaj).arg(vmin)+QLatin1String("/qmldir");
 
-                QFileInfo fi(dir+QString(QLatin1String(".%1.%2")).arg(vmaj).arg(vmin)+QLatin1String("/qmldir"));
-                const QString absoluteFilePath = fi.absoluteFilePath();
-
-                if (fi.isFile()) {
+                QString absoluteFilePath = typeLoader->absoluteFilePath(qmldir);
+                if (!absoluteFilePath.isEmpty()) {
                     found = true;
 
-                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    QString absolutePath = absoluteFilePath.left(absoluteFilePath.lastIndexOf(QLatin1Char('/')));
+                    url = QUrl::fromLocalFile(absolutePath).toString();
                     uri = resolvedUri(dir, database);
                     if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
                         return false;
@@ -488,14 +483,14 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
         if (vmaj >= 0 && vmin >= 0) {
             foreach (const QString &p, database->fileImportPath) {
                 dir = p+QLatin1Char('/')+url;
+                qmldir = dir+QString(QLatin1String(".%1")).arg(vmaj)+QLatin1String("/qmldir");
 
-                QFileInfo fi(dir+QString(QLatin1String(".%1")).arg(vmaj)+QLatin1String("/qmldir"));
-                const QString absoluteFilePath = fi.absoluteFilePath();
-
-                if (fi.isFile()) {
+                QString absoluteFilePath = typeLoader->absoluteFilePath(qmldir);
+                if (!absoluteFilePath.isEmpty()) {
                     found = true;
 
-                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    QString absolutePath = absoluteFilePath.left(absoluteFilePath.lastIndexOf(QLatin1Char('/')));
+                    url = QUrl::fromLocalFile(absolutePath).toString();
                     uri = resolvedUri(dir, database);
                     if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
                         return false;
@@ -508,14 +503,14 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
 
             foreach (const QString &p, database->fileImportPath) {
                 dir = p+QLatin1Char('/')+url;
+                qmldir = dir+QLatin1String("/qmldir");
 
-                QFileInfo fi(dir+QLatin1String("/qmldir"));
-                const QString absoluteFilePath = fi.absoluteFilePath();
-
-                if (fi.isFile()) {
+                QString absoluteFilePath = typeLoader->absoluteFilePath(qmldir);
+                if (!absoluteFilePath.isEmpty()) {
                     found = true;
 
-                    url = QUrl::fromLocalFile(fi.absolutePath()).toString();
+                    QString absolutePath = absoluteFilePath.left(absoluteFilePath.lastIndexOf(QLatin1Char('/')));
+                    url = QUrl::fromLocalFile(absolutePath).toString();
                     uri = resolvedUri(dir, database);
                     if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString))
                         return false;
@@ -553,7 +548,7 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
                 uri = resolvedUri(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))), database);
                 if (uri.endsWith(QLatin1Char('/')))
                     uri.chop(1);
-                if (QFile::exists(localFileOrQrc)) {
+                if (!typeLoader->absoluteFilePath(localFileOrQrc).isEmpty()) {
                     if (!importExtension(localFileOrQrc,uri,database,&qmldircomponents,errorString))
                         return false;
                 }
@@ -616,6 +611,7 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp
 bool QDeclarativeImportsPrivate::find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return,
                                       QUrl* url_return, QString *errorString)
 {
+    Q_ASSERT(typeLoader);
     QDeclarativeImportedNamespace *s = 0;
     int slash = type.indexOf('/');
     if (slash >= 0) {
@@ -637,7 +633,7 @@ bool QDeclarativeImportsPrivate::find(const QByteArray& type, int *vmajor, int *
     }
     QByteArray unqualifiedtype = slash < 0 ? type : type.mid(slash+1); // common-case opt (QString::mid works fine, but slower)
     if (s) {
-        if (s->find(unqualifiedtype,vmajor,vminor,type_return,url_return, &base, errorString))
+        if (s->find(typeLoader, unqualifiedtype,vmajor,vminor,type_return,url_return, &base, errorString))
             return true;
         if (s->urls.count() == 1 && !s->isLibrary[0] && url_return && s != &unqualifiedset) {
             // qualified, and only 1 url
@@ -654,16 +650,16 @@ QDeclarativeImportedNamespace *QDeclarativeImportsPrivate::findNamespace(const Q
     return set.value(type);
 }
 
-bool QDeclarativeImportedNamespace::find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return,
+bool QDeclarativeImportedNamespace::find(QDeclarativeTypeLoader *typeLoader, const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return,
           QUrl* url_return, QUrl *base, QString *errorString)
 {
     bool typeRecursionDetected = false;
     for (int i=0; i<urls.count(); ++i) {
-        if (find_helper(i, type, vmajor, vminor, type_return, url_return, base, &typeRecursionDetected)) {
+        if (find_helper(typeLoader, i, type, vmajor, vminor, type_return, url_return, base, &typeRecursionDetected)) {
             if (qmlCheckTypes()) {
                 // check for type clashes
                 for (int j = i+1; j<urls.count(); ++j) {
-                    if (find_helper(j, type, vmajor, vminor, 0, 0, base)) {
+                    if (find_helper(typeLoader, j, type, vmajor, vminor, 0, 0, base)) {
                         if (errorString) {
                             QString u1 = urls.at(i);
                             QString u2 = urls.at(j);
@@ -1042,7 +1038,7 @@ bool QDeclarativeImportDatabase::importPlugin(const QString &filePath, const QSt
     if (!engineInitialized || !typesRegistered) {
         if (!QDeclarative_isFileCaseCorrect(absoluteFilePath)) {
             if (errorString) 
-                *errorString = tr("File name case mismatch for \"%2\"").arg(absoluteFilePath);
+                *errorString = tr("File name case mismatch for \"%1\"").arg(absoluteFilePath);
             return false;
         }
         QPluginLoader loader(absoluteFilePath);
diff --git a/src/declarative/qml/qdeclarativeimport_p.h b/src/declarative/qml/qdeclarativeimport_p.h
index 319e76ce98..d2ae9cc790 100644
--- a/src/declarative/qml/qdeclarativeimport_p.h
+++ b/src/declarative/qml/qdeclarativeimport_p.h
@@ -68,11 +68,13 @@ class QDir;
 class QDeclarativeImportedNamespace;
 class QDeclarativeImportsPrivate;
 class QDeclarativeImportDatabase;
+class QDeclarativeTypeLoader;
 
 class QDeclarativeImports
 {
 public:
     QDeclarativeImports();
+    QDeclarativeImports(QDeclarativeTypeLoader *);
     QDeclarativeImports(const QDeclarativeImports &);
     ~QDeclarativeImports();
     QDeclarativeImports &operator=(const QDeclarativeImports &);
diff --git a/src/declarative/qml/qdeclarativetypeloader.cpp b/src/declarative/qml/qdeclarativetypeloader.cpp
index 82197dcf03..0d8119fb5f 100644
--- a/src/declarative/qml/qdeclarativetypeloader.cpp
+++ b/src/declarative/qml/qdeclarativetypeloader.cpp
@@ -50,10 +50,37 @@
 #include <QtDeclarative/qdeclarativecomponent.h>
 #include <QtCore/qdebug.h>
 #include <QtCore/qdir.h>
+#include <QtCore/qdiriterator.h>
 #include <QtCore/qfile.h>
 
 QT_BEGIN_NAMESPACE
 
+/*
+Returns the set of QML files in path (qmldir, *.qml, *.js).  The caller
+is responsible for deleting the returned data.
+*/
+static QSet<QString> *qmlFilesInDirectory(const QString &path)
+{
+    QDirIterator dir(path, QDir::Files);
+    if (!dir.hasNext())
+        return 0;
+    QSet<QString> *files = new QSet<QString>;
+    while (dir.hasNext()) {
+        dir.next();
+        QString fileName = dir.fileName();
+        if (fileName == QLatin1String("qmldir")
+                || fileName.endsWith(QLatin1String(".qml"))
+                || fileName.endsWith(QLatin1String(".js"))) {
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) || defined(Q_OS_DARWIN) || defined(Q_OS_SYMBIAN)
+            fileName = fileName.toLower();
+#endif
+            files->insert(fileName);
+        }
+    }
+    return files;
+}
+
+
 /*!
 \class QDeclarativeDataBlob
 \brief The QDeclarativeDataBlob encapsulates a data request that can be issued to a QDeclarativeDataLoader.
@@ -727,6 +754,67 @@ QDeclarativeQmldirData *QDeclarativeTypeLoader::getQmldir(const QUrl &url)
 }
 
 /*!
+Returns the absolute filename of path via a directory cache for files named
+"qmldir", "*.qml", "*.js"
+Returns a empty string if the path does not exist.
+*/
+QString QDeclarativeTypeLoader::absoluteFilePath(const QString &path)
+{
+    if (path.isEmpty())
+        return QString();
+    if (path.at(0) == QLatin1Char(':')) {
+        // qrc resource
+        QFileInfo fileInfo(path);
+        return fileInfo.isFile() ? fileInfo.absoluteFilePath() : QString();
+    }
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) || defined(Q_OS_DARWIN) || defined(Q_OS_SYMBIAN)
+    QString lowPath(path.toLower());
+#else
+    QString lowPath(path);
+#endif
+    int lastSlash = lowPath.lastIndexOf(QLatin1Char('/'));
+    QString dirPath = lowPath.left(lastSlash);
+
+    StringSet *fileSet = 0;
+    QHash<QString,StringSet*>::const_iterator it = m_importDirCache.find(dirPath);
+    if (it == m_importDirCache.end()) {
+        StringSet *files = qmlFilesInDirectory(path.left(lastSlash));
+        m_importDirCache.insert(dirPath, files);
+        fileSet = files;
+    } else {
+        fileSet = *it;
+    }
+    if (!fileSet)
+        return QString();
+
+    QString absoluteFilePath = fileSet->contains(QString(lowPath.constData()+lastSlash+1, lowPath.length()-lastSlash-1)) ? path : QString();
+    if (absoluteFilePath.length() > 2 && absoluteFilePath.at(0) != QLatin1Char('/') && absoluteFilePath.at(1) != QLatin1Char(':'))
+        absoluteFilePath = QFileInfo(absoluteFilePath).absoluteFilePath();
+
+    return absoluteFilePath;
+}
+
+/*!
+Return a QDeclarativeDirParser for absoluteFilePath.  The QDeclarativeDirParser may be cached.
+*/
+const QDeclarativeDirParser *QDeclarativeTypeLoader::qmlDirParser(const QString &absoluteFilePath)
+{
+    QDeclarativeDirParser *qmldirParser;
+    QHash<QString,QDeclarativeDirParser*>::const_iterator it = m_importQmlDirCache.find(absoluteFilePath);
+    if (it == m_importQmlDirCache.end()) {
+        qmldirParser = new QDeclarativeDirParser;
+        qmldirParser->setFileSource(absoluteFilePath);
+        qmldirParser->setUrl(QUrl::fromLocalFile(absoluteFilePath));
+        qmldirParser->parse();
+        m_importQmlDirCache.insert(absoluteFilePath, qmldirParser);
+    } else {
+        qmldirParser = *it;
+    }
+
+    return qmldirParser;
+}
+
+/*
 Clears cached information about loaded files, including any type data, scripts
 and qmldir information.
 */
@@ -738,16 +826,20 @@ void QDeclarativeTypeLoader::clearCache()
         (*iter)->release();
     for (QmldirCache::Iterator iter = m_qmldirCache.begin(); iter != m_qmldirCache.end(); ++iter) 
         (*iter)->release();
+    qDeleteAll(m_importDirCache);
+    qDeleteAll(m_importQmlDirCache);
 
     m_typeCache.clear();
     m_scriptCache.clear();
     m_qmldirCache.clear();
+    m_importDirCache.clear();
+    m_importQmlDirCache.clear();
 }
 
 
 QDeclarativeTypeData::QDeclarativeTypeData(const QUrl &url, QDeclarativeTypeLoader::Options options, 
                                            QDeclarativeTypeLoader *manager)
-: QDeclarativeDataBlob(url, QmlFile), m_options(options), m_typesResolved(false), 
+: QDeclarativeDataBlob(url, QmlFile), m_options(options), m_imports(manager), m_typesResolved(false),
   m_compiledData(0), m_typeLoader(manager)
 {
 }
diff --git a/src/declarative/qml/qdeclarativetypeloader_p.h b/src/declarative/qml/qdeclarativetypeloader_p.h
index 56b663689e..c0dce3e909 100644
--- a/src/declarative/qml/qdeclarativetypeloader_p.h
+++ b/src/declarative/qml/qdeclarativetypeloader_p.h
@@ -198,14 +198,23 @@ public:
 
     QDeclarativeScriptData *getScript(const QUrl &);
     QDeclarativeQmldirData *getQmldir(const QUrl &);
+
+    QString absoluteFilePath(const QString &path);
+    const QDeclarativeDirParser *qmlDirParser(const QString &absoluteFilePath);
+
 private:
     typedef QHash<QUrl, QDeclarativeTypeData *> TypeCache;
     typedef QHash<QUrl, QDeclarativeScriptData *> ScriptCache;
     typedef QHash<QUrl, QDeclarativeQmldirData *> QmldirCache;
+    typedef QSet<QString> StringSet;
+    typedef QHash<QString, StringSet*> ImportDirCache;
+    typedef QHash<QString, QDeclarativeDirParser*> ImportQmlDirCache;
 
     TypeCache m_typeCache;
     ScriptCache m_scriptCache;
     QmldirCache m_qmldirCache;
+    ImportDirCache m_importDirCache;
+    ImportQmlDirCache m_importQmlDirCache;
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativeTypeLoader::Options)
diff --git a/src/declarative/util/qdeclarativepropertychanges.cpp b/src/declarative/util/qdeclarativepropertychanges.cpp
index 5cdf785ccd..f86274f91d 100644
--- a/src/declarative/util/qdeclarativepropertychanges.cpp
+++ b/src/declarative/util/qdeclarativepropertychanges.cpp
@@ -171,7 +171,8 @@ public:
         reverseExpression = rewindExpression;
     }
 
-    /*virtual void copyOriginals(QDeclarativeActionEvent *other)
+    virtual bool needsCopy() { return true; }
+    virtual void copyOriginals(QDeclarativeActionEvent *other)
     {
         QDeclarativeReplaceSignalHandler *rsh = static_cast<QDeclarativeReplaceSignalHandler*>(other);
         saveCurrentValues();
@@ -182,7 +183,7 @@ public:
             ownedExpression = rsh->ownedExpression;
             rsh->ownedExpression = 0;
         }
-    }*/
+    }
 
     virtual void rewind() {
         ownedExpression = QDeclarativePropertyPrivate::setSignalExpression(property, rewindExpression);
diff --git a/src/gui/inputmethod/qcoefepinputcontext_p.h b/src/gui/inputmethod/qcoefepinputcontext_p.h
index ad51b4b265..90d47f9fbe 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_p.h
+++ b/src/gui/inputmethod/qcoefepinputcontext_p.h
@@ -205,6 +205,7 @@ private:
     QBasicTimer m_tempPreeditStringTimeout;
     bool m_hasTempPreeditString;
     QString m_cachedPreeditString;
+    int m_cachedCursorAndAnchorPosition;
 
     int m_splitViewResizeBy;
     Qt::WindowStates m_splitViewPreviousWindowStates;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 8f13c53898..ed7411f642 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -380,6 +380,7 @@ QCoeFepInputContext::QCoeFepInputContext(QObject *parent)
       m_formatRetriever(0),
       m_pointerHandler(0),
       m_hasTempPreeditString(false),
+      m_cachedCursorAndAnchorPosition(-1),
       m_splitViewResizeBy(0),
       m_splitViewPreviousWindowStates(Qt::WindowNoState),
       m_splitViewPreviousFocusItem(0),
@@ -448,9 +449,18 @@ void QCoeFepInputContext::reset()
     }
     // Store a copy of preedit text, if prediction is active and input context is reseted.
     // This is to ensure that we can replace preedit string after losing focus to FEP manager's
-    // internal sub-windows.
-    if (m_cachedPreeditString.isEmpty() && !(currentHints & Qt::ImhNoPredictiveText))
+    // internal sub-windows. Additionally, store the cursor position if there is no selected text.
+    // This allows input context to replace preedit strings if they are not at the end of current
+    // text.
+    if (m_cachedPreeditString.isEmpty() && !(currentHints & Qt::ImhNoPredictiveText)) {
         m_cachedPreeditString = m_preeditString;
+        if (focusWidget() && !m_cachedPreeditString.isEmpty()) {
+            int cursor = focusWidget()->inputMethodQuery(Qt::ImCursorPosition).toInt();
+            int anchor = focusWidget()->inputMethodQuery(Qt::ImAnchorPosition).toInt();
+            if (cursor == anchor)
+                m_cachedCursorAndAnchorPosition = cursor;
+        }
+    }
     commitCurrentString(true);
 
     // QGraphicsScene calls reset() when changing focus item. Unfortunately, the new focus item is
@@ -491,6 +501,7 @@ void QCoeFepInputContext::setFocusWidget(QWidget *w)
 void QCoeFepInputContext::widgetDestroyed(QWidget *w)
 {
     m_cachedPreeditString.clear();
+    m_cachedCursorAndAnchorPosition = -1;
 
     // Make sure that the input capabilities of whatever new widget got focused are queried.
     CCoeControl *ctrl = w->effectiveWinId();
@@ -1350,6 +1361,7 @@ void QCoeFepInputContext::StartFepInlineEditL(const TDesC& aInitialInlineText,
         return;
 
     m_cachedPreeditString.clear();
+    m_cachedCursorAndAnchorPosition = -1;
 
     commitTemporaryPreeditString();
 
@@ -1408,8 +1420,16 @@ void QCoeFepInputContext::UpdateFepInlineTextL(const TDesC& aNewInlineText,
     QString newPreeditString = qt_TDesC2QString(aNewInlineText);
     QInputMethodEvent event(newPreeditString, attributes);
     if (!m_cachedPreeditString.isEmpty()) {
-        event.setCommitString(QLatin1String(""), -m_cachedPreeditString.length(), m_cachedPreeditString.length());
+        int cursorPos = w->inputMethodQuery(Qt::ImCursorPosition).toInt();
+        // Predicted word is either replaced from the end of the word (normal case),
+        // or from stored location, if the predicted word is either in the beginning of,
+        // or in the middle of already committed word.
+        int diff = cursorPos - m_cachedCursorAndAnchorPosition;
+        int replaceLocation = (diff != m_cachedPreeditString.length()) ? diff : m_cachedPreeditString.length();
+
+        event.setCommitString(QLatin1String(""), -replaceLocation, m_cachedPreeditString.length());
         m_cachedPreeditString.clear();
+        m_cachedCursorAndAnchorPosition = -1;
     } else if (newPreeditString.isEmpty() && m_preeditString.isEmpty()) {
         // In Symbian world this means "erase last character".
         event.setCommitString(QLatin1String(""), -1, 1);
@@ -1507,6 +1527,10 @@ void QCoeFepInputContext::SetCursorSelectionForFepL(const TCursorSelection& aCur
 
     int pos = aCursorSelection.iAnchorPos;
     int length = aCursorSelection.iCursorPos - pos;
+    if (m_cachedCursorAndAnchorPosition != -1) {
+        pos = m_cachedCursorAndAnchorPosition;
+        length = 0;
+    }
 
     QList<QInputMethodEvent::Attribute> attributes;
     attributes << QInputMethodEvent::Attribute(QInputMethodEvent::Selection, pos, length, QVariant());
@@ -1524,6 +1548,13 @@ void QCoeFepInputContext::GetCursorSelectionForFep(TCursorSelection& aCursorSele
 
     int cursor = w->inputMethodQuery(Qt::ImCursorPosition).toInt() + m_preeditString.size();
     int anchor = w->inputMethodQuery(Qt::ImAnchorPosition).toInt() + m_preeditString.size();
+
+    // If the position is stored, use that value, so that word replacement from proposed word
+    // lists are added to the correct position.
+    if (m_cachedCursorAndAnchorPosition != -1) {
+        cursor = m_cachedCursorAndAnchorPosition;
+        anchor = m_cachedCursorAndAnchorPosition;
+    }
     QString text = w->inputMethodQuery(Qt::ImSurroundingText).value<QString>();
     int combinedSize = text.size() + m_preeditString.size();
     if (combinedSize < anchor || combinedSize < cursor) {
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 35a9559254..3605472aae 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -3426,7 +3426,35 @@ QString QApplication::sessionKey() const
 }
 #endif
 
+/*!
+    \since 4.7.4
+    \fn void QApplication::aboutToReleaseGpuResources()
+
+    This signal is emitted when application is about to release all
+    GPU resources associated to contexts owned by application.
+
+    The signal is particularly useful if your application has allocated
+    GPU resources directly apart from Qt and needs to do some last-second
+    cleanup.
+
+    \warning This signal is only emitted on Symbian.
+
+    \sa aboutToUseGpuResources()
+*/
 
+/*!
+    \since 4.7.4
+    \fn void QApplication::aboutToUseGpuResources()
+
+    This signal is emitted when application is about to use GPU resources.
+
+    The signal is particularly useful if your application needs to know
+    when GPU resources are be available.
+
+   \warning This signal is only emitted on Symbian.
+
+   \sa aboutToFreeGpuResources()
+*/
 
 /*!
     \since 4.2
diff --git a/src/gui/kernel/qapplication.h b/src/gui/kernel/qapplication.h
index 15488490d1..3334056ad1 100644
--- a/src/gui/kernel/qapplication.h
+++ b/src/gui/kernel/qapplication.h
@@ -305,6 +305,10 @@ Q_SIGNALS:
     void commitDataRequest(QSessionManager &sessionManager);
     void saveStateRequest(QSessionManager &sessionManager);
 #endif
+#ifdef Q_OS_SYMBIAN
+    void aboutToReleaseGpuResources();
+    void aboutToUseGpuResources();
+#endif
 
 public:
     QString styleSheet() const;
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 0756d6ca6a..c4cb19cee4 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -564,6 +564,9 @@ public:
     void symbianHandleLiteModeStartup();
 
     void _q_aboutToQuit();
+
+    void emitAboutToReleaseGpuResources();
+    void emitAboutToUseGpuResources();
 #endif
 #if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC) || defined(Q_WS_QPA)
     void sendSyntheticEnterLeave(QWidget *widget);
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 7d198ce14b..954d7fbd9f 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -235,6 +235,9 @@ void QS60Data::controlVisibilityChanged(CCoeControl *control, bool visible)
         if (QTLWExtra *topData = qt_widget_private(window)->maybeTopData()) {
             QWidgetBackingStoreTracker &backingStore = topData->backingStore;
             if (visible) {
+                QApplicationPrivate *d = QApplicationPrivate::instance();
+                d->emitAboutToUseGpuResources();
+
                 if (backingStore.data()) {
                     backingStore.registerWidget(widget);
                 } else {
@@ -244,6 +247,9 @@ void QS60Data::controlVisibilityChanged(CCoeControl *control, bool visible)
                     widget->repaint();
                 }
             } else {
+                QApplicationPrivate *d = QApplicationPrivate::instance();
+                d->emitAboutToReleaseGpuResources();
+
                 // In certain special scenarios we may get an ENotVisible event
                 // without a previous EPartiallyVisible. The backingstore must
                 // still be destroyed, hence the registerWidget() call below.
@@ -2795,6 +2801,24 @@ void QApplicationPrivate::_q_aboutToQuit()
 #endif
 }
 
+void QApplicationPrivate::emitAboutToReleaseGpuResources()
+{
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+    Q_Q(QApplication);
+    QPointer<QApplication> guard(q);
+    emit q->aboutToReleaseGpuResources();
+#endif
+}
+
+void QApplicationPrivate::emitAboutToUseGpuResources()
+{
+#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
+    Q_Q(QApplication);
+    QPointer<QApplication> guard(q);
+    emit q->aboutToUseGpuResources();
+#endif
+}
+
 QS60ThreadLocalData::QS60ThreadLocalData()
 {
     CCoeEnv *env = CCoeEnv::Static();
diff --git a/src/imports/folderlistmodel/folderlistmodel.pro b/src/imports/folderlistmodel/folderlistmodel.pro
index 44764a91a2..0f63979726 100644
--- a/src/imports/folderlistmodel/folderlistmodel.pro
+++ b/src/imports/folderlistmodel/folderlistmodel.pro
@@ -19,8 +19,8 @@ symbian:{
     isEmpty(DESTDIR):importFiles.files = qmlfolderlistmodelplugin$${QT_LIBINFIX}.dll qmldir
     else:importFiles.files = $$DESTDIR/qmlfolderlistmodelplugin$${QT_LIBINFIX}.dll qmldir
     importFiles.path = $$QT_IMPORTS_BASE_DIR/$$TARGETPATH
-    
-    DEPLOYMENT = importFiles
+
+    DEPLOYMENT += importFiles
 }
 
 INSTALLS += target qmldir
diff --git a/src/imports/gestures/gestures.pro b/src/imports/gestures/gestures.pro
index ad872bae3f..2768cc9c97 100644
--- a/src/imports/gestures/gestures.pro
+++ b/src/imports/gestures/gestures.pro
@@ -19,8 +19,8 @@ symbian:{
     isEmpty(DESTDIR):importFiles.files = qmlgesturesplugin$${QT_LIBINFIX}.dll qmldir
     else:importFiles.files = $$DESTDIR/qmlgesturesplugin$${QT_LIBINFIX}.dll qmldir
     importFiles.path = $$QT_IMPORTS_BASE_DIR/$$TARGETPATH
-    
-    DEPLOYMENT = importFiles
+
+    DEPLOYMENT += importFiles
 }
 
 INSTALLS += target qmldir
diff --git a/src/imports/particles/particles.pro b/src/imports/particles/particles.pro
index 90b50e4659..894d164c72 100644
--- a/src/imports/particles/particles.pro
+++ b/src/imports/particles/particles.pro
@@ -23,8 +23,8 @@ symbian:{
     isEmpty(DESTDIR):importFiles.files = qmlparticlesplugin$${QT_LIBINFIX}.dll qmldir
     else:importFiles.files = $$DESTDIR/qmlparticlesplugin$${QT_LIBINFIX}.dll qmldir
     importFiles.path = $$QT_IMPORTS_BASE_DIR/$$TARGETPATH
-    
-    DEPLOYMENT = importFiles
+
+    DEPLOYMENT += importFiles
 }
 
 INSTALLS += target qmldir
diff --git a/src/imports/shaders/shaders.pro b/src/imports/shaders/shaders.pro
index d7a6275af5..51a9a918f9 100644
--- a/src/imports/shaders/shaders.pro
+++ b/src/imports/shaders/shaders.pro
@@ -32,7 +32,7 @@ symbian:{
     isEmpty(DESTDIR):importFiles.sources = qmlparticlesplugin$${QT_LIBINFIX}.dll qmldir
     else:importFiles.sources = $$DESTDIR/qmlparticlesplugin$${QT_LIBINFIX}.dll qmldir
     importFiles.path = $$QT_IMPORTS_BASE_DIR/$$TARGETPATH
-    DEPLOYMENT = importFiles
+    DEPLOYMENT += importFiles
 }
 
 INSTALLS += target qmldir
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index dbbb07cf57..f5fe73926d 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -2268,6 +2268,8 @@ void QGL2PaintEngineExPrivate::updateClipScissorTest()
     currentScissorBounds = bounds;
 
     if (bounds == QRect(0, 0, width, height)) {
+        if (ctx->d_func()->workaround_brokenScissor)
+            clearClip(0);
         glDisable(GL_SCISSOR_TEST);
     } else {
         glEnable(GL_SCISSOR_TEST);
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 423fa08a1f..6d95713214 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1743,6 +1743,7 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     workaround_brokenTextureFromPixmap = false;
     workaround_brokenTextureFromPixmap_init = false;
 
+    workaround_brokenScissor = false;
     workaround_brokenAlphaTexSubImage = false;
     workaround_brokenAlphaTexSubImage_init = false;
 
@@ -4381,7 +4382,7 @@ bool QGLWidget::event(QEvent *e)
         // if we've reparented a window that has the current context
         // bound, we need to rebind that context to the new window id
         if (d->glcx == QGLContext::currentContext())
-            makeCurrent();
+            makeCurrent(); // Shouldn't happen but keep it here just for sure
 
         if (testAttribute(Qt::WA_TranslucentBackground))
             setContext(new QGLContext(d->glcx->requestedFormat(), this));
@@ -4389,8 +4390,11 @@ bool QGLWidget::event(QEvent *e)
 
     // A re-parent is likely to destroy the Symbian window and re-create it. It is important
     // that we free the EGL surface _before_ the winID changes - otherwise we can leak.
-    if (e->type() == QEvent::ParentAboutToChange)
+    if (e->type() == QEvent::ParentAboutToChange) {
+        if (d->glcx == QGLContext::currentContext())
+            d->glcx->doneCurrent();
         d->glcx->d_func()->destroyEglSurfaceForDevice();
+    }
 
     if ((e->type() == QEvent::ParentChange) || (e->type() == QEvent::WindowStateChange)) {
         // The window may have been re-created during re-parent or state change - if so, the EGL
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index 4de5122a86..0b963503c5 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -194,7 +194,9 @@ void QGLContext::makeCurrent()
         if (!d->workaroundsCached) {
             d->workaroundsCached = true;
             const char *renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
-            if (renderer && (strstr(renderer, "SGX") || strstr(renderer, "MBX"))) {
+            if (!renderer)
+                return;
+            if ((strstr(renderer, "SGX") || strstr(renderer, "MBX"))) {
                 // PowerVR MBX/SGX chips needs to clear all buffers when starting to render
                 // a new frame, otherwise there will be a performance penalty to pay for
                 // each frame.
@@ -231,6 +233,13 @@ void QGLContext::makeCurrent()
                         d->workaround_brokenFBOReadBack = true;
                     }
                 }
+            } else if (strstr(renderer, "VideoCore III")) {
+                // Some versions of VideoCore III drivers seem to pollute and use
+                // stencil buffer when using glScissors even if stencil test is disabled.
+                // Workaround is to clear stencil buffer before disabling scissoring.
+
+                // qDebug() << "Found VideoCore III driver, enabling brokenDisableScissorTest"; 
+                d->workaround_brokenScissor = true;
             }
         }
     }
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index de349a759d..945bbafc54 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -179,6 +179,7 @@ public:
 #endif
 #if defined(Q_OS_SYMBIAN)
                        , eglSurfaceWindowId(0)
+                       , surfaceSizeInitialized(false)
 #endif
     {
         isGLWidget = 1;
@@ -224,6 +225,7 @@ public:
 #ifdef Q_OS_SYMBIAN
     void recreateEglSurface();
     WId eglSurfaceWindowId;
+    bool surfaceSizeInitialized : 1;
 #endif
 };
 
@@ -426,6 +428,7 @@ public:
     uint workaround_brokenTextureFromPixmap : 1;
     uint workaround_brokenTextureFromPixmap_init : 1;
 
+    uint workaround_brokenScissor : 1;
     uint workaround_brokenAlphaTexSubImage : 1;
     uint workaround_brokenAlphaTexSubImage_init : 1;
 
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp
index b8e5c22a09..94c63fc2d8 100644
--- a/src/opengl/qgl_symbian.cpp
+++ b/src/opengl/qgl_symbian.cpp
@@ -259,7 +259,7 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as
     return true;
 }
 
-void QGLWidget::resizeEvent(QResizeEvent *)
+void QGLWidget::resizeEvent(QResizeEvent *e)
 {
     Q_D(QGLWidget);
     if (!isValid())
@@ -270,17 +270,18 @@ void QGLWidget::resizeEvent(QResizeEvent *)
     if (this == qt_gl_share_widget())
         return;
 
-    if (QGLContext::currentContext())
-        doneCurrent();
-
-    // Symbian needs to recreate the surface on resize.
-    d->recreateEglSurface();
+    if (!d->surfaceSizeInitialized || e->oldSize() != e->size()) {
+        // On Symbian we need to recreate the surface on resize.
+        d->recreateEglSurface();
+        d->surfaceSizeInitialized = true;
+    }
 
     makeCurrent();
+
     if (!d->glcx->initialized())
         glInit();
+
     resizeGL(width(), height());
-    //handle overlay
 }
 
 const QGLContext* QGLWidget::overlayContext() const
@@ -363,6 +364,9 @@ void QGLWidgetPrivate::recreateEglSurface()
     WId currentId = q->winId();
 
     if (glcx->d_func()->eglSurface != EGL_NO_SURFACE) {
+        if (glcx == QGLContext::currentContext())
+            glcx->doneCurrent();
+
         eglDestroySurface(glcx->d_func()->eglContext->display(),
                                                 glcx->d_func()->eglSurface);
     }
diff --git a/src/s60installs/bwins/QtGuiu.def b/src/s60installs/bwins/QtGuiu.def
index 335b94f3f1..92bfb25974 100644
--- a/src/s60installs/bwins/QtGuiu.def
+++ b/src/s60installs/bwins/QtGuiu.def
@@ -13113,6 +13113,7 @@ EXPORTS
 	?hasBCM2727@QSymbianGraphicsSystemEx@@SA_NXZ @ 13112 NONAME ; bool QSymbianGraphicsSystemEx::hasBCM2727(void)
 	?constImageRef@QVolatileImage@@QBEABVQImage@@XZ @ 13113 NONAME ; class QImage const & QVolatileImage::constImageRef(void) const
 	?toVolatileImage@QPixmapData@@UBE?AVQVolatileImage@@XZ @ 13114 NONAME ; class QVolatileImage QPixmapData::toVolatileImage(void) const
+<<<<<<< HEAD
 	?qt_s60_setPartialScreenAutomaticTranslation@@YAX_N@Z @ 13115 NONAME ; void qt_s60_setPartialScreenAutomaticTranslation(bool)
 	png_access_version_number @ 13116 NONAME
 	png_benign_error @ 13117 NONAME
@@ -13986,4 +13987,11 @@ EXPORTS
 	?resetFontEngineCache@QTextEngine@@QAEXXZ @ 13985 NONAME ; void QTextEngine::resetFontEngineCache(void)
 	?symbianHandleLiteModeStartup@QApplicationPrivate@@QAEXXZ @ 13986 NONAME ; void QApplicationPrivate::symbianHandleLiteModeStartup(void)
 	?_q_cleanupWinIds@QWidgetPrivate@@QAEXXZ @ 13987 NONAME ; void QWidgetPrivate::_q_cleanupWinIds(void)
+=======
+	?qt_s60_setPartialScreenAutomaticTranslation@@YAX_N@Z @ 13115 NONAME ; void qt_s60_setPartialScreenAutomaticTranslation(bool)		
+	?aboutToUseGpuResources@QApplication@@IAEXXZ @ 13116 NONAME ; void QApplication::aboutToUseGpuResources(void)
+	?aboutToReleaseGpuResources@QApplication@@IAEXXZ @ 13117 NONAME ; void QApplication::aboutToReleaseGpuResources(void)
+	?emitAboutToUseGpuResources@QApplicationPrivate@@QAEXXZ @ 13118 NONAME ; void QApplicationPrivate::emitAboutToUseGpuResources(void)
+	?emitAboutToReleaseGpuResources@QApplicationPrivate@@QAEXXZ @ 13119 NONAME ; void QApplicationPrivate::emitAboutToReleaseGpuResources(void)
+>>>>>>> origin/4.7
 
diff --git a/src/s60installs/eabi/QtGuiu.def b/src/s60installs/eabi/QtGuiu.def
index 3606f9cb98..83e1851973 100644
--- a/src/s60installs/eabi/QtGuiu.def
+++ b/src/s60installs/eabi/QtGuiu.def
@@ -12198,6 +12198,7 @@ EXPORTS
 	_ZNK11QPixmapData15toVolatileImageEv @ 12197 NONAME
 	_ZNK14QVolatileImage13constImageRefEv @ 12198 NONAME
 	_Z43qt_s60_setPartialScreenAutomaticTranslationb @ 12199 NONAME
+<<<<<<< HEAD
 	_Z18qt_addBitmapToPathffPKhiiiP12QPainterPath @ 12200 NONAME
 	_Z22qt_fontdata_from_indexi @ 12201 NONAME
 	_Z27qt_isExtendedRadialGradientRK6QBrush @ 12202 NONAME
@@ -12799,4 +12800,10 @@ EXPORTS
 	_ZN11QTextEngine20resetFontEngineCacheEv @ 12798 NONAME
 	_ZN14QWidgetPrivate16_q_cleanupWinIdsEv @ 12799 NONAME
 	_ZN19QApplicationPrivate28symbianHandleLiteModeStartupEv @ 12800 NONAME
+=======
+	_ZN12QApplication22aboutToUseGpuResourcesEv @ 12200 NONAME
+	_ZN12QApplication26aboutToReleaseGpuResourcesEv @ 12201 NONAME
+	_ZN19QApplicationPrivate26emitAboutToUseGpuResourcesEv @ 12202 NONAME
+	_ZN19QApplicationPrivate30emitAboutToReleaseGpuResourcesEv @ 12203 NONAME
+>>>>>>> origin/4.7