Merge commit 'qt-mainline/master' into master-recursivepaint

author: Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> 2009-06-10 12:06:56 (GMT)
committer: Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> 2009-06-10 12:06:56 (GMT)
commit: ef0a51654783f942499cfa9fca60d18c2fa6a702 (patch)
tree: 1fd8158f883562a3ef000b0a4d26df5b1f064dae /src
parent: 53632d45ca64ad4c20d4302e0826c0234877dd69 (diff)
parent: 62725a02652cee576efe055d1371765945045026 (diff)
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63 files changed, 887 insertions, 462 deletions
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
index 01b68eb..77add54 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
@@ -1986,10 +1986,12 @@ bool QWebPage::isContentEditable() const
 
 /*!
     \property QWebPage::forwardUnsupportedContent
-    \brief whether QWebPage should forward unsupported content through the
-    unsupportedContent signal
+    \brief whether QWebPage should forward unsupported content
 
-    If disabled the download of such content is aborted immediately.
+    If enabled, the unsupportedContent() signal is emitted with a network reply that
+    can be used to read the content.
+
+    If disabled, the download of such content is aborted immediately.
 
     By default unsupported content is not forwarded.
 */
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebsettings.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebsettings.cpp
index 1ad23f6..b516263 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebsettings.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebsettings.cpp
@@ -213,17 +213,25 @@ QWebSettings *QWebSettings::globalSettings()
     Each QWebPage object has its own QWebSettings object, which configures the
     settings for that page. If a setting is not configured, then it is looked
     up in the global settings object, which can be accessed using
-    QWebSettings::globalSettings().
+    globalSettings().
 
-    QWebSettings allows configuring font properties such as font size and font
-    family, the location of a custom stylesheet, and generic attributes like java
-    script, plugins, etc. The \l{QWebSettings::WebAttribute}{WebAttribute}
-    enum further describes this.
+    QWebSettings allows configuration of browser properties, such as font sizes and
+    families, the location of a custom style sheet, and generic attributes like
+    JavaScript and plugins. Individual attributes are set using the setAttribute()
+    function. The \l{QWebSettings::WebAttribute}{WebAttribute} enum further describes
+    each attribute.
 
-    QWebSettings also configures global properties such as the web page memory
-    cache and the web page icon database, local database storage and offline
+    QWebSettings also configures global properties such as the Web page memory
+    cache and the Web page icon database, local database storage and offline
     applications storage.
 
+    \section1 Enabling Plugins
+
+    Support for browser plugins can enabled by setting the
+    \l{QWebSettings::PluginsEnabled}{PluginsEnabled} attribute. For many applications,
+    this attribute is enabled for all pages by setting it on the
+    \l{globalSettings()}{global settings object}.
+
     \section1 Web Application Support
 
     WebKit provides support for features specified in \l{HTML 5} that improve the
diff --git a/src/3rdparty/webkit/WebKit/qt/docs/qtwebkit.qdoc b/src/3rdparty/webkit/WebKit/qt/docs/qtwebkit.qdoc
index 06305e0..119c126 100644
--- a/src/3rdparty/webkit/WebKit/qt/docs/qtwebkit.qdoc
+++ b/src/3rdparty/webkit/WebKit/qt/docs/qtwebkit.qdoc
@@ -96,7 +96,8 @@
 
     Since WebKit supports the Netscape Plugin API, Qt applications can display
     Web pages that embed common plugins, as long as the user has the appropriate
-    binary files for those plugins installed.
+    binary files for those plugins installed and the \l{QWebSettings::PluginsEnabled}
+    attribute is set for the application.
 
     The following locations are searched for plugins:
 
diff --git a/src/corelib/animation/qparallelanimationgroup.cpp b/src/corelib/animation/qparallelanimationgroup.cpp
index c148cb5d..6ec4679 100644
--- a/src/corelib/animation/qparallelanimationgroup.cpp
+++ b/src/corelib/animation/qparallelanimationgroup.cpp
@@ -135,13 +135,14 @@ void QParallelAnimationGroup::updateCurrentTime(int)
         // simulate completion of the loop
         int dura = duration();
         if (dura > 0) {
-            foreach (QAbstractAnimation *animation, d->animations) {
-                animation->setCurrentTime(dura);   // will stop
+            for (int i = 0; i < d->animations.size(); ++i) {
+                d->animations.at(i)->setCurrentTime(dura);   // will stop
             }
         }
     } else if (d->currentLoop < d->lastLoop) {
         // simulate completion of the loop seeking backwards
-        foreach (QAbstractAnimation *animation, d->animations) {
+        for (int i = 0; i < d->animations.size(); ++i) {
+            QAbstractAnimation *animation = d->animations.at(i);
             animation->setCurrentTime(0);
             animation->stop();
         }
@@ -154,7 +155,8 @@ void QParallelAnimationGroup::updateCurrentTime(int)
         __LINE__, d->currentTime, d->currentLoop, d->lastLoop, timeFwd, d->lastCurrentTime, state());
 #endif
     // finally move into the actual time of the current loop
-    foreach (QAbstractAnimation *animation, d->animations) {
+    for (int i = 0; i < d->animations.size(); ++i) {
+        QAbstractAnimation *animation = d->animations.at(i);
         const int dura = animation->totalDuration();
         if (dura == -1 && d->isUncontrolledAnimationFinished(animation))
             continue;
@@ -200,17 +202,18 @@ void QParallelAnimationGroup::updateState(QAbstractAnimation::State oldState,
 
     switch (newState) {
     case Stopped:
-        foreach (QAbstractAnimation *animation, d->animations)
-            animation->stop();
+        for (int i = 0; i < d->animations.size(); ++i)
+            d->animations.at(i)->stop();
         d->disconnectUncontrolledAnimations();
         break;
     case Paused:
-        foreach (QAbstractAnimation *animation, d->animations)
-            animation->pause();
+        for (int i = 0; i < d->animations.size(); ++i)
+            d->animations.at(i)->pause();
         break;
     case Running:
         d->connectUncontrolledAnimations();
-        foreach (QAbstractAnimation *animation, d->animations) {
+        for (int i = 0; i < d->animations.size(); ++i) {
+            QAbstractAnimation *animation = d->animations.at(i);
             animation->stop();
             animation->setDirection(d->direction);
             animation->start();
@@ -243,8 +246,8 @@ void QParallelAnimationGroupPrivate::_q_uncontrolledAnimationFinished()
         return;
 
     int maxDuration = 0;
-    foreach (QAbstractAnimation *a, animations)
-        maxDuration = qMax(maxDuration, a->totalDuration());
+    for (int i = 0; i < animations.size(); ++i)
+        maxDuration = qMax(maxDuration, animations.at(i)->totalDuration());
 
     if (currentTime >= maxDuration)
         q->stop();
@@ -267,7 +270,8 @@ void QParallelAnimationGroupPrivate::connectUncontrolledAnimations()
 {
     Q_Q(QParallelAnimationGroup);
 
-    foreach (QAbstractAnimation *animation, animations) {
+    for (int i = 0; i < animations.size(); ++i) {
+        QAbstractAnimation *animation = animations.at(i);
         if (animation->duration() == -1 || animation->loopCount() < 0) {
             uncontrolledFinishTime[animation] = -1;
             QObject::connect(animation, SIGNAL(finished()), q, SLOT(_q_uncontrolledAnimationFinished()));
@@ -288,8 +292,9 @@ void QParallelAnimationGroup::updateDirection(QAbstractAnimation::Direction dire
     Q_D(QParallelAnimationGroup);
     //we need to update the direction of the current animation
     if (state() != Stopped) {
-        foreach(QAbstractAnimation *anim, d->animations) {
-            anim->setDirection(direction);
+        for (int i = 0; i < d->animations.size(); ++i) {
+            QAbstractAnimation *animation = d->animations.at(i);
+            animation->setDirection(direction);
         }
     } else {
         if (direction == Forward) {
diff --git a/src/corelib/codecs/qisciicodec.cpp b/src/corelib/codecs/qisciicodec.cpp
index dd2bc8d..de1e477 100644
--- a/src/corelib/codecs/qisciicodec.cpp
+++ b/src/corelib/codecs/qisciicodec.cpp
@@ -55,7 +55,7 @@ QT_BEGIN_NAMESPACE
 
 
 struct Codecs {
-    const char *name;
+    const char name[10];
     ushort base;
 };
 
diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
index 8ca53b9..29bdf7e 100644
--- a/src/corelib/kernel/qtimer.cpp
+++ b/src/corelib/kernel/qtimer.cpp
@@ -251,7 +251,7 @@ void QTimer::stop()
 
 
 /*!
-    \reimp
+  \reimp
 */
 void QTimer::timerEvent(QTimerEvent *e)
 {
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index 2ff9818..e6f1c48 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -1823,7 +1823,7 @@ QVariant::Type QVariant::nameToType(const char *name)
 
 #ifndef QT_NO_DATASTREAM
 enum { MapFromThreeCount = 35 };
-static const uint map_from_three[MapFromThreeCount] =
+static const ushort map_from_three[MapFromThreeCount] =
 {
     QVariant::Invalid,
     QVariant::Map,
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index 00132d7..4898e10 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -772,7 +772,7 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
    Instead it can return a "Windows code". This maps windows codes to ISO country names. */
 
 struct WindowsToISOListElt {
-    int windows_code;
+    ushort windows_code;
     char iso_name[6];
 };
 
diff --git a/src/corelib/tools/qlocale_data_p.h b/src/corelib/tools/qlocale_data_p.h
index 37f59a4..e0eecf3 100644
--- a/src/corelib/tools/qlocale_data_p.h
+++ b/src/corelib/tools/qlocale_data_p.h
@@ -60,8 +60,8 @@ QT_BEGIN_NAMESPACE
  */
 struct CountryLanguage
 {
-    quint32 languageId;
-    quint32 countryId;
+    quint16 languageId;
+    quint16 countryId;
 };
 static const CountryLanguage ImperialMeasurementSystems[] = {
     { 31, 225 },
@@ -83,7 +83,7 @@ static const int ImperialMeasurementSystemsCount =
 */
 
 
-static const uint locale_index[] = {
+static const quint16 locale_index[] = {
      0, // unused
      0, // C
      0, // Abkhazian
@@ -2313,7 +2313,7 @@ static const char language_name_list[] =
 "Chewa\0"
 ;
 
-static const uint language_name_index[] = {
+static const quint16 language_name_index[] = {
      0, // Unused
      8, // C
     10, // Abkhazian
@@ -2727,7 +2727,7 @@ static const char country_name_list[] =
 "SerbiaAndMontenegro\0"
 ;
 
-static const uint country_name_index[] = {
+static const quint16 country_name_index[] = {
      0, // AnyCountry
      8, // Afghanistan
     20, // Albania
diff --git a/src/corelib/tools/qstringbuilder.cpp b/src/corelib/tools/qstringbuilder.cpp
index 03d8160..740deb4 100644
--- a/src/corelib/tools/qstringbuilder.cpp
+++ b/src/corelib/tools/qstringbuilder.cpp
@@ -3,14 +3,14 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtCore module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
diff --git a/src/corelib/tools/qstringbuilder.h b/src/corelib/tools/qstringbuilder.h
index 2c31476..30a7c67 100644
--- a/src/corelib/tools/qstringbuilder.h
+++ b/src/corelib/tools/qstringbuilder.h
@@ -3,14 +3,14 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtCore module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
diff --git a/src/corelib/xml/qxmlstream.cpp b/src/corelib/xml/qxmlstream.cpp
index 5e1fec3..fddcecf 100644
--- a/src/corelib/xml/qxmlstream.cpp
+++ b/src/corelib/xml/qxmlstream.cpp
@@ -629,7 +629,7 @@ while (<STDIN>) {
     $sizes[$i++] = $counter;
     $counter += length 1 + $_;
 }
-print "    \"\\0\";\n\nstatic const int QXmlStreamReader_tokenTypeString_indices[] = {\n    ";
+print "    \"\\0\";\n\nstatic const short QXmlStreamReader_tokenTypeString_indices[] = {\n    ";
 for ($j = 0; $j < $i; ++$j) {
     printf "$sizes[$j], ";
 }
@@ -660,10 +660,9 @@ static const char QXmlStreamReader_tokenTypeString_string[] =
     "Comment\0"
     "DTD\0"
     "EntityReference\0"
-    "ProcessingInstruction\0"
-    "\0";
+    "ProcessingInstruction\0";
 
-static const int QXmlStreamReader_tokenTypeString_indices[] = {
+static const short QXmlStreamReader_tokenTypeString_indices[] = {
     0, 8, 16, 30, 42, 55, 66, 77, 85, 89, 105, 0
 };
 
diff --git a/src/gui/image/qpicture_p.h b/src/gui/image/qpicture_p.h
index a3fd34f..3e8391f 100644
--- a/src/gui/image/qpicture_p.h
+++ b/src/gui/image/qpicture_p.h
@@ -69,7 +69,7 @@ class QPaintEngine;
 
 extern const char  *qt_mfhdr_tag;
 
-class Q_GUI_EXPORT QPicturePrivate
+class QPicturePrivate
 {
     Q_DECLARE_PUBLIC(QPicture)
     friend class QPicturePaintEngine;
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index c90216b..d353c2d 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -2398,8 +2398,8 @@ void QAbstractItemView::updateEditorGeometries()
 
     //we release the editor outside of the loop because it might change the focus and try
     //to change the d->editors list.
-    foreach(QWidget *editor, editorsToRelease) {
-        d->releaseEditor(editor);
+    for (int i = 0; i < editorsToRelease.count(); ++i) {
+        d->releaseEditor(editorsToRelease.at(i));
     }
 }
 
diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index d28c08a..7ad825a 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -1153,7 +1153,8 @@ void QHeaderView::setResizeMode(ResizeMode mode)
     \overload
 
     Sets the constraints on how the section specified by \a logicalIndex in
-    the header can be resized to those described by the given \a mode.
+    the header can be resized to those described by the given \a mode. The logical
+    index should exist at the time this function is called.
 
     \note This setting will be ignored for the last section if the stretchLastSection
     property is set to true. This is the default for the horizontal headers provided
diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index 96eb6f0..4021c83 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -884,8 +884,8 @@ void QSortFilterProxyModelPrivate::proxy_item_range(
 {
     proxy_low = INT_MAX;
     proxy_high = INT_MIN;
-    foreach (int source_item, source_items) {
-        int proxy_item = source_to_proxy.at(source_item);
+    for (int i = 0; i < source_items.count(); ++i) {
+        int proxy_item = source_to_proxy.at(source_items.at(i));
         Q_ASSERT(proxy_item != -1);
         if (proxy_item < proxy_low)
             proxy_low = proxy_item;
@@ -985,7 +985,8 @@ QSet<int> QSortFilterProxyModelPrivate::handle_filter_changed(
     Q_Q(QSortFilterProxyModel);
     // Figure out which mapped items to remove
     QVector<int> source_items_remove;
-    foreach (int source_item, proxy_to_source) {
+    for (int i = 0; i < proxy_to_source.count(); ++i) {
+        const int source_item = proxy_to_source.at(i);
         if ((orient == Qt::Vertical)
             ? !q->filterAcceptsRow(source_item, source_parent)
             : !q->filterAcceptsColumn(source_item, source_parent)) {
diff --git a/src/gui/itemviews/qstandarditemmodel.cpp b/src/gui/itemviews/qstandarditemmodel.cpp
index d8adbd2..9d0f796 100644
--- a/src/gui/itemviews/qstandarditemmodel.cpp
+++ b/src/gui/itemviews/qstandarditemmodel.cpp
@@ -2907,8 +2907,8 @@ QMimeData *QStandardItemModel::mimeData(const QModelIndexList &indexes) const
     QStack<QStandardItem*> stack;
     itemsSet.reserve(indexes.count());
     stack.reserve(indexes.count());
-    foreach (const QModelIndex &index, indexes) {
-        QStandardItem *item = itemFromIndex(index);
+    for (int i = 0; i < indexes.count(); ++i) {
+        QStandardItem *item = itemFromIndex(indexes.at(i));
         itemsSet << item;
         stack.push(item);
     }
diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index 7837700..965a5c7 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -2072,7 +2072,8 @@ QModelIndex QTreeView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifie
             const bool useTopIndex = (cursorAction == MoveUp || cursorAction == MovePrevious);
             int index = useTopIndex ? INT_MAX : INT_MIN;
             const QItemSelection selection = d->selectionModel->selection();
-            foreach (const QItemSelectionRange &range, selection) {
+            for (int i = 0; i < selection.count(); ++i) {
+                const QItemSelectionRange &range = selection.at(i);
                 int candidate = d->viewIndex(useTopIndex ? range.topLeft() : range.bottomRight());
                 if (candidate >= 0)
                     index = useTopIndex ? qMin(index, candidate) : qMax(index, candidate);
@@ -3558,7 +3559,8 @@ QList<QPair<int, int> > QTreeViewPrivate::columnRanges(const QModelIndex &topInd
     QPair<int, int> current;
     current.first = -2; // -1 is not enough because -1+1 = 0
     current.second = -2;
-    foreach (int logicalColumn, logicalIndexes) {
+    for(int i = 0; i < logicalIndexes.count(); ++i) {
+        const int logicalColumn = logicalIndexes.at(i);
         if (current.second + 1 != logicalColumn) {
             if (current.first != -2) {
                 //let's save the current one
diff --git a/src/gui/kernel/qaction.cpp b/src/gui/kernel/qaction.cpp
index 051b6a6..f44d207 100644
--- a/src/gui/kernel/qaction.cpp
+++ b/src/gui/kernel/qaction.cpp
@@ -136,25 +136,31 @@ void QActionPrivate::redoGrab(QShortcutMap &map)
 void QActionPrivate::redoGrabAlternate(QShortcutMap &map)
 {
     Q_Q(QAction);
-    foreach (int id, alternateShortcutIds)
-        if (id)
+    for(int i = 0; i < alternateShortcutIds.count(); ++i) {
+        if (const int id = alternateShortcutIds.at(i))
             map.removeShortcut(id, q);
+    }
     alternateShortcutIds.clear();
     if (alternateShortcuts.isEmpty())
         return;
-    foreach (const QKeySequence& alternate, alternateShortcuts) {
+    for(int i = 0; i < alternateShortcuts.count(); ++i) {
+        const QKeySequence& alternate = alternateShortcuts.at(i);
         if (!alternate.isEmpty())
             alternateShortcutIds.append(map.addShortcut(q, alternate, shortcutContext));
         else
             alternateShortcutIds.append(0);
     }
     if (!enabled) {
-        foreach (int id, alternateShortcutIds)
+        for(int i = 0; i < alternateShortcutIds.count(); ++i) {
+            const int id = alternateShortcutIds.at(i);
             map.setShortcutEnabled(false, id, q);
+        }
     }
     if (!autorepeat) {
-        foreach (int id, alternateShortcutIds)
+        for(int i = 0; i < alternateShortcutIds.count(); ++i) {
+            const int id = alternateShortcutIds.at(i);
             map.setShortcutAutoRepeat(false, id, q);
+        }
     }
 }
 
@@ -163,9 +169,10 @@ void QActionPrivate::setShortcutEnabled(bool enable, QShortcutMap &map)
     Q_Q(QAction);
     if (shortcutId)
         map.setShortcutEnabled(enable, shortcutId, q);
-    foreach (int id, alternateShortcutIds)
-        if (id)
+    for(int i = 0; i < alternateShortcutIds.count(); ++i) {
+        if (const int id = alternateShortcutIds.at(i))
             map.setShortcutEnabled(enable, id, q);
+    }
 }
 #endif // QT_NO_SHORTCUT
 
@@ -615,8 +622,10 @@ QAction::~QAction()
 #ifndef QT_NO_SHORTCUT
     if (d->shortcutId && qApp) {
         qApp->d_func()->shortcutMap.removeShortcut(d->shortcutId, this);
-        foreach (int id, d->alternateShortcutIds)
+        for(int i = 0; i < d->alternateShortcutIds.count(); ++i) {
+            const int id = d->alternateShortcutIds.at(i);
             qApp->d_func()->shortcutMap.removeShortcut(id, this);
+        }
     }
 #endif
 }
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index 1473421..8ebea19 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -157,6 +157,8 @@ static const char * x11_atomnames = {
     "WM_TAKE_FOCUS\0"
     "_NET_WM_PING\0"
     "_NET_WM_CONTEXT_HELP\0"
+    "_NET_WM_SYNC_REQUEST\0"
+    "_NET_WM_SYNC_REQUEST_COUNTER\0"
 
     // ICCCM window state
     "WM_STATE\0"
@@ -508,6 +510,7 @@ static Bool qt_xfixes_scanner(Display*, XEvent *event, XPointer arg)
 class QETWidget : public QWidget                // event translator widget
 {
 public:
+    QWidgetPrivate* d_func() { return QWidget::d_func(); }
     bool translateMouseEvent(const XEvent *);
     void translatePaintEvent(const XEvent *);
     bool translateConfigEvent(const XEvent *);
@@ -718,6 +721,44 @@ static int qt_xio_errhandler(Display *)
 }
 #endif
 
+#ifndef QT_NO_XSYNC
+struct qt_sync_request_event_data
+{
+    WId window;
+};
+
+#if defined(Q_C_CALLBACKS)
+extern "C" {
+#endif
+
+static Bool qt_sync_request_scanner(Display*, XEvent *event, XPointer arg)
+{
+    qt_sync_request_event_data *data =
+        reinterpret_cast<qt_sync_request_event_data*>(arg);
+    if (event->type == ClientMessage &&
+        event->xany.window == data->window &&
+        event->xclient.message_type == ATOM(WM_PROTOCOLS) &&
+        (Atom)event->xclient.data.l[0] == ATOM(_NET_WM_SYNC_REQUEST)) {
+        QWidget *w = QWidget::find(event->xany.window);
+        if (QTLWExtra *tlw = ((QETWidget*)w)->d_func()->maybeTopData()) {
+            const ulong timestamp = (const ulong) event->xclient.data.l[1];
+            if (timestamp > X11->time)
+                X11->time = timestamp;
+            if (timestamp == CurrentTime || timestamp > tlw->syncRequestTimestamp) {
+                tlw->syncRequestTimestamp = timestamp;
+                tlw->newCounterValueLo = event->xclient.data.l[2];
+                tlw->newCounterValueHi = event->xclient.data.l[3];
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
+#if defined(Q_C_CALLBACKS)
+}
+#endif
+#endif // QT_NO_XSYNC
 
 static void qt_x11_create_intern_atoms()
 {
@@ -2090,6 +2131,13 @@ void qt_init(QApplicationPrivate *priv, int,
 #endif // QT_RUNTIME_XCURSOR
 #endif // QT_NO_XCURSOR
 
+#ifndef QT_NO_XSYNC
+        int xsync_evbase, xsync_errbase;
+        int major, minor;
+        if (XSyncQueryExtension(X11->display, &xsync_evbase, &xsync_errbase))
+            XSyncInitialize(X11->display, &major, &minor);
+#endif // QT_NO_XSYNC
+
 #ifndef QT_NO_XINERAMA
 #ifdef QT_RUNTIME_XINERAMA
         X11->ptrXineramaQueryExtension = 0;
@@ -3116,6 +3164,19 @@ int QApplication::x11ClientMessage(QWidget* w, XEvent* event, bool passive_only)
                     XSendEvent(event->xclient.display, event->xclient.window,
                                 False, SubstructureNotifyMask|SubstructureRedirectMask, event);
                 }
+#ifndef QT_NO_XSYNC
+            } else if (a == ATOM(_NET_WM_SYNC_REQUEST)) {
+                const ulong timestamp = (const ulong) event->xclient.data.l[1];
+                if (timestamp > X11->time)
+                    X11->time = timestamp;
+                if (QTLWExtra *tlw = w->d_func()->maybeTopData()) {
+                    if (timestamp == CurrentTime || timestamp > tlw->syncRequestTimestamp) {
+                        tlw->syncRequestTimestamp = timestamp;
+                        tlw->newCounterValueLo = event->xclient.data.l[2];
+                        tlw->newCounterValueHi = event->xclient.data.l[3];
+                    }
+                }
+#endif
             }
         } else if (event->xclient.message_type == ATOM(_QT_SCROLL_DONE)) {
             widget->translateScrollDoneEvent(event);
@@ -4144,7 +4205,9 @@ bool QETWidget::translateMouseEvent(const XEvent *event)
                 || ((nextEvent.type == EnterNotify || nextEvent.type == LeaveNotify)
                     && qt_button_down == this)
                 || (nextEvent.type == ClientMessage
-                    && nextEvent.xclient.message_type == ATOM(_QT_SCROLL_DONE))) {
+                    && (nextEvent.xclient.message_type == ATOM(_QT_SCROLL_DONE) ||
+                    (nextEvent.xclient.message_type == ATOM(WM_PROTOCOLS) &&
+                     (Atom)nextEvent.xclient.data.l[0] == ATOM(_NET_WM_SYNC_REQUEST))))) {
                 qApp->x11ProcessEvent(&nextEvent);
                 continue;
             } else if (nextEvent.type != MotionNotify ||
@@ -5200,6 +5263,14 @@ bool QETWidget::translateConfigEvent(const XEvent *event)
                                    otherEvent.xconfigure.border_width;
                 }
             }
+#ifndef QT_NO_XSYNC
+            qt_sync_request_event_data sync_event;
+            sync_event.window = internalWinId();
+            for (XEvent ev;;) {
+                if (!XCheckIfEvent(X11->display, &ev, &qt_sync_request_scanner, (XPointer)&sync_event))
+                    break;
+            }
+#endif // QT_NO_XSYNC
         }
 
         QRect cr (geometry());
@@ -5285,6 +5356,20 @@ bool QETWidget::translateConfigEvent(const XEvent *event)
         if (d->extra && d->extra->topextra)
             d->extra->topextra->inTopLevelResize = false;
     }
+#ifndef QT_NO_XSYNC
+    if (QTLWExtra *tlwExtra = d->maybeTopData()) {
+        if (tlwExtra->newCounterValueLo != 0 || tlwExtra->newCounterValueHi != 0) {
+            XSyncValue value;
+            XSyncIntsToValue(&value,
+                             tlwExtra->newCounterValueLo,
+                             tlwExtra->newCounterValueHi);
+
+            XSyncSetCounter(X11->display, tlwExtra->syncUpdateCounter, value);
+            tlwExtra->newCounterValueHi = 0;
+            tlwExtra->newCounterValueLo = 0;
+        }
+    }
+#endif
     return true;
 }
 
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index b9ace9d..21bb550 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -154,6 +154,10 @@ extern "C" {
 #  include <X11/extensions/Xrender.h>
 #endif // QT_NO_XRENDER
 
+#ifndef QT_NO_XSYNC
+#  include "X11/extensions/sync.h"
+#endif
+
 // #define QT_NO_XKB
 #ifndef QT_NO_XKB
 #  include <X11/XKBlib.h>
@@ -514,6 +518,8 @@ struct QX11Data
         WM_TAKE_FOCUS,
         _NET_WM_PING,
         _NET_WM_CONTEXT_HELP,
+        _NET_WM_SYNC_REQUEST,
+        _NET_WM_SYNC_REQUEST_COUNTER,
 
         // ICCCM window state
         WM_STATE,
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index bf4f091..ff194f7 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -131,6 +131,10 @@ struct QTLWExtra {
     uint embedded : 1;
 
     // *************************** Platform specific values (bit fields first) **********
+#ifndef QT_NO_XSYNC
+    int newCounterValueHi : 32;
+    uint newCounterValueLo : 32;
+#endif
 #if defined(Q_WS_X11) // <----------------------------------------------------------- X11
     uint spont_unmapped: 1; // window was spontaneously unmapped
     uint dnd : 1; // DND properties installed
@@ -156,6 +160,10 @@ struct QTLWExtra {
     QWSManager *qwsManager;
 #endif
 #endif
+#ifndef QT_NO_XSYNC
+    WId syncUpdateCounter;
+    ulong syncRequestTimestamp;
+#endif
 };
 
 struct QWExtra {
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 4e34045..8159f8e 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -754,11 +754,14 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
                       qBound(1, data.crect.width(), XCOORD_MAX),
                       qBound(1, data.crect.height(), XCOORD_MAX));
         XStoreName(dpy, id, appName.data());
-        Atom protocols[4];
+        Atom protocols[5];
         int n = 0;
         protocols[n++] = ATOM(WM_DELETE_WINDOW);        // support del window protocol
         protocols[n++] = ATOM(WM_TAKE_FOCUS);                // support take focus window protocol
         protocols[n++] = ATOM(_NET_WM_PING);                // support _NET_WM_PING protocol
+#ifndef QT_NO_XSYNC
+        protocols[n++] = ATOM(_NET_WM_SYNC_REQUEST);        // support _NET_WM_SYNC_REQUEST protocol
+#endif // QT_NO_XSYNC
         if (flags & Qt::WindowContextHelpButtonHint)
             protocols[n++] = ATOM(_NET_WM_CONTEXT_HELP);
         XSetWMProtocols(dpy, id, protocols, n);
@@ -1877,6 +1880,23 @@ void QWidgetPrivate::show_sys()
         if (setUserTime)
             qt_net_update_user_time(q, userTime);
 
+#ifndef QT_NO_XSYNC
+        if (!topData()->syncUpdateCounter) {
+            XSyncValue value;
+            XSyncIntToValue(&value, 0);
+            topData()->syncUpdateCounter = XSyncCreateCounter(X11->display, value);
+
+            XChangeProperty(X11->display, q->internalWinId(),
+                            ATOM(_NET_WM_SYNC_REQUEST_COUNTER),
+                            XA_CARDINAL,
+                            32, PropModeReplace,
+                            (uchar *) &topData()->syncUpdateCounter, 1);
+
+            topData()->newCounterValueHi = 0;
+            topData()->newCounterValueLo = 0;
+        }
+#endif
+
         if (!topData()->embedded
             && (topData()->validWMState || topData()->waitingForMapNotify)
             && !q->isMinimized()) {
@@ -2687,6 +2707,12 @@ void QWidgetPrivate::createTLSysExtra()
     extra->topextra->waitingForMapNotify = 0;
     extra->topextra->parentWinId = 0;
     extra->topextra->userTimeWindow = 0;
+#ifndef QT_NO_XSYNC
+    extra->topextra->syncUpdateCounter = 0;
+    extra->topextra->syncRequestTimestamp = 0;
+    extra->topextra->newCounterValueHi = 0;
+    extra->topextra->newCounterValueLo = 0;
+#endif
 }
 
 void QWidgetPrivate::deleteTLSysExtra()
diff --git a/src/gui/kernel/qwidgetaction.cpp b/src/gui/kernel/qwidgetaction.cpp
index efdde5e..cd12029 100644
--- a/src/gui/kernel/qwidgetaction.cpp
+++ b/src/gui/kernel/qwidgetaction.cpp
@@ -228,8 +228,8 @@ bool QWidgetAction::event(QEvent *event)
     if (event->type() == QEvent::ActionChanged) {
         if (d->defaultWidget)
             d->defaultWidget->setEnabled(isEnabled());
-        foreach (QWidget *w, d->createdWidgets) 
-            w->setEnabled(isEnabled());
+        for (int i = 0; i < d->createdWidgets.count(); ++i)
+            d->createdWidgets.at(i)->setEnabled(isEnabled());
     }
     return QAction::event(event);
 }
diff --git a/src/gui/math3d/qgenericmatrix.cpp b/src/gui/math3d/qgenericmatrix.cpp
index 6ecd878..19a0f6e 100644
--- a/src/gui/math3d/qgenericmatrix.cpp
+++ b/src/gui/math3d/qgenericmatrix.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qgenericmatrix.h b/src/gui/math3d/qgenericmatrix.h
index b4d3707..330ded2 100644
--- a/src/gui/math3d/qgenericmatrix.h
+++ b/src/gui/math3d/qgenericmatrix.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qmatrix4x4.cpp b/src/gui/math3d/qmatrix4x4.cpp
index 8ef4da3..a69b9df 100644
--- a/src/gui/math3d/qmatrix4x4.cpp
+++ b/src/gui/math3d/qmatrix4x4.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qmatrix4x4.h b/src/gui/math3d/qmatrix4x4.h
index ba7f67f..da1bcba 100644
--- a/src/gui/math3d/qmatrix4x4.h
+++ b/src/gui/math3d/qmatrix4x4.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qquaternion.cpp b/src/gui/math3d/qquaternion.cpp
index 96659ea..03f626a 100644
--- a/src/gui/math3d/qquaternion.cpp
+++ b/src/gui/math3d/qquaternion.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qquaternion.h b/src/gui/math3d/qquaternion.h
index c05c641..b17cf73 100644
--- a/src/gui/math3d/qquaternion.h
+++ b/src/gui/math3d/qquaternion.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector2d.cpp b/src/gui/math3d/qvector2d.cpp
index c3aaa42..df2519d 100644
--- a/src/gui/math3d/qvector2d.cpp
+++ b/src/gui/math3d/qvector2d.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector2d.h b/src/gui/math3d/qvector2d.h
index b027df4..2be0a11 100644
--- a/src/gui/math3d/qvector2d.h
+++ b/src/gui/math3d/qvector2d.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector3d.cpp b/src/gui/math3d/qvector3d.cpp
index c83cd60..a5f5c5b 100644
--- a/src/gui/math3d/qvector3d.cpp
+++ b/src/gui/math3d/qvector3d.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector3d.h b/src/gui/math3d/qvector3d.h
index 02873f2..480667a 100644
--- a/src/gui/math3d/qvector3d.h
+++ b/src/gui/math3d/qvector3d.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector4d.cpp b/src/gui/math3d/qvector4d.cpp
index 010fa53..c5124e2 100644
--- a/src/gui/math3d/qvector4d.cpp
+++ b/src/gui/math3d/qvector4d.cpp
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/math3d/qvector4d.h b/src/gui/math3d/qvector4d.h
index 8e673f3..e38f4e5 100644
--- a/src/gui/math3d/qvector4d.h
+++ b/src/gui/math3d/qvector4d.h
@@ -3,7 +3,7 @@
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 **
-** This file is part of the $MODULE$ of the Qt Toolkit.
+** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** No Commercial Usage
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 0810bb9..7ed2dfd 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -4311,7 +4311,7 @@ QClipData::QClipData(int height)
     clipSpanHeight = height;
     m_clipLines = 0;
 
-    allocated = height;
+    allocated = 0;
     m_spans = 0;
     xmin = xmax = ymin = ymax = 0;
     count = 0;
@@ -4479,7 +4479,7 @@ void QClipData::fixup()
  */
 void QClipData::setClipRect(const QRect &rect)
 {
-    if (rect == clipRect)
+    if (hasRectClip && rect == clipRect)
         return;
 
 //    qDebug() << "setClipRect" << clipSpanHeight << count << allocated << rect;
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index 28f9220..3cf5ff9 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -138,6 +138,76 @@ QPaintEngineExPrivate::~QPaintEngineExPrivate()
 }
 
 
+void QPaintEngineExPrivate::replayClipOperations()
+{
+    Q_Q(QPaintEngineEx);
+
+    QPainter *p = q->painter();
+    if (!p || !p->d_ptr)
+        return;
+
+    QPainterPrivate *pp = p->d_ptr;
+    QList<QPainterClipInfo> clipInfo = pp->state->clipInfo;
+
+    QTransform transform = q->state()->matrix;
+
+    QTransform redirection;
+    redirection.translate(-q->state()->redirection_offset.x(), -q->state()->redirection_offset.y());
+
+    for (int i = 0; i <  clipInfo.size(); ++i) {
+        const QPainterClipInfo &info = clipInfo.at(i);
+
+        QTransform combined = info.matrix * redirection;
+
+        if (combined != q->state()->matrix) {
+            q->state()->matrix = combined;
+            q->transformChanged();
+        }
+
+        switch (info.clipType) {
+        case QPainterClipInfo::RegionClip:
+            q->clip(info.region, info.operation);
+            break;
+        case QPainterClipInfo::PathClip:
+            q->clip(info.path, info.operation);
+            break;
+        case QPainterClipInfo::RectClip:
+            q->clip(info.rect, info.operation);
+            break;
+        case QPainterClipInfo::RectFClip: {
+            qreal right = info.rectf.x() + info.rectf.width();
+            qreal bottom = info.rectf.y() + info.rectf.height();
+            qreal pts[] = { info.rectf.x(), info.rectf.y(),
+                            right, info.rectf.y(),
+                            right, bottom,
+                            info.rectf.x(), bottom };
+            QVectorPath vp(pts, 4, 0, QVectorPath::RectangleHint);
+            q->clip(vp, info.operation);
+            break;
+            }
+        }
+    }
+
+    if (transform != q->state()->matrix) {
+        q->state()->matrix = transform;
+        q->transformChanged();
+    }
+}
+
+
+bool QPaintEngineExPrivate::hasClipOperations() const
+{
+    Q_Q(const QPaintEngineEx);
+
+    QPainter *p = q->painter();
+    if (!p || !p->d_ptr)
+        return false;
+
+    QPainterPrivate *pp = p->d_ptr;
+    QList<QPainterClipInfo> clipInfo = pp->state->clipInfo;
+
+    return !clipInfo.isEmpty();
+}
 
 /*******************************************************************************
  *
@@ -244,13 +314,18 @@ static void qpaintengineex_cubicTo(qreal c1x, qreal c1y, qreal c2x, qreal c2y, q
     ((StrokeHandler *) data)->types.add(QPainterPath::CurveToDataElement);
 }
 
+QPaintEngineEx::QPaintEngineEx()
+    : QPaintEngine(*new QPaintEngineExPrivate, AllFeatures)
+{
+    extended = true;
+}
+
 QPaintEngineEx::QPaintEngineEx(QPaintEngineExPrivate &data)
     : QPaintEngine(data, AllFeatures)
 {
     extended = true;
 }
 
-
 QPainterState *QPaintEngineEx::createState(QPainterState *orig) const
 {
     if (!orig)
@@ -483,6 +558,9 @@ void QPaintEngineEx::clip(const QRect &r, Qt::ClipOperation op)
 
 void QPaintEngineEx::clip(const QRegion &region, Qt::ClipOperation op)
 {
+    if (region.numRects() == 1)
+        clip(region.boundingRect(), op);
+
     QVector<QRect> rects = region.rects();
     if (rects.size() <= 32) {
         qreal pts[2*32*4];
diff --git a/src/gui/painting/qpaintengineex_p.h b/src/gui/painting/qpaintengineex_p.h
index 1c55242..3f64260 100644
--- a/src/gui/painting/qpaintengineex_p.h
+++ b/src/gui/painting/qpaintengineex_p.h
@@ -139,27 +139,13 @@ public:
 QDebug Q_GUI_EXPORT &operator<<(QDebug &, const QVectorPath &path);
 #endif
 
-class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate
-{
-public:
-    QPaintEngineExPrivate();
-    ~QPaintEngineExPrivate();
-
-    QStroker stroker;
-    QDashStroker dasher;
-    StrokeHandler *strokeHandler;
-    QStrokerOps *activeStroker;
-    QPen strokerPen;
-};
-
 class QPixmapFilter;
 
 class Q_GUI_EXPORT QPaintEngineEx : public QPaintEngine
 {
     Q_DECLARE_PRIVATE(QPaintEngineEx)
 public:
-    inline QPaintEngineEx()
-        : QPaintEngine(*new QPaintEngineExPrivate, AllFeatures) { extended = true; }
+    QPaintEngineEx();
 
     virtual QPainterState *createState(QPainterState *orig) const;
 
@@ -224,6 +210,22 @@ protected:
     QPaintEngineEx(QPaintEngineExPrivate &data);
 };
 
+class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate
+{
+    Q_DECLARE_PUBLIC(QPaintEngineEx)
+public:
+    QPaintEngineExPrivate();
+    ~QPaintEngineExPrivate();
+
+    void replayClipOperations();
+    bool hasClipOperations() const;
+
+    QStroker stroker;
+    QDashStroker dasher;
+    StrokeHandler *strokeHandler;
+    QStrokerOps *activeStroker;
+    QPen strokerPen;
+};
 
 inline uint QVectorPath::polygonFlags(QPaintEngine::PolygonDrawMode mode) {
     switch (mode) {
diff --git a/src/gui/painting/qpainter.h b/src/gui/painting/qpainter.h
index f3df7a3..78cd713 100644
--- a/src/gui/painting/qpainter.h
+++ b/src/gui/painting/qpainter.h
@@ -507,6 +507,7 @@ private:
     friend class QFontEngineXLFD;
     friend class QWSManager;
     friend class QPaintEngine;
+    friend class QPaintEngineExPrivate;
     friend class QOpenGLPaintEngine;
     friend class QX11PaintEngine;
     friend class QX11PaintEnginePrivate;
diff --git a/src/gui/painting/qprinter.cpp b/src/gui/painting/qprinter.cpp
index ba208fd..ce33893 100644
--- a/src/gui/painting/qprinter.cpp
+++ b/src/gui/painting/qprinter.cpp
@@ -1308,6 +1308,9 @@ void QPrinter::setNumCopies(int numCopies)
 
     Returns true if collation is turned on when multiple copies is selected.
     Returns false if it is turned off when multiple copies is selected.
+    When collating is turned off the printing of each individual page will be repeated
+    the numCopies() amount before the next page is started. With collating turned on
+    all pages are printed before the next copy of those pages is started.
 
     \sa setCollateCopies()
 */
diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h
index cb5be75..689c091 100644
--- a/src/gui/painting/qtextureglyphcache_p.h
+++ b/src/gui/painting/qtextureglyphcache_p.h
@@ -121,7 +121,7 @@ protected:
 };
 
 
-class Q_GUI_EXPORT QImageTextureGlyphCache : public QTextureGlyphCache
+class QImageTextureGlyphCache : public QTextureGlyphCache
 {
 public:
     QImageTextureGlyphCache(QFontEngineGlyphCache::Type type, const QTransform &matrix)
diff --git a/src/gui/styles/qcleanlooksstyle.cpp b/src/gui/styles/qcleanlooksstyle.cpp
index b33dfc1..805cd05 100644
--- a/src/gui/styles/qcleanlooksstyle.cpp
+++ b/src/gui/styles/qcleanlooksstyle.cpp
@@ -3305,7 +3305,8 @@ void QCleanlooksStyle::drawComplexControl(ComplexControl control, const QStyleOp
                     }
                 }
                 // Draw the focus rect
-                if ((focus && (option->state & State_KeyboardFocusChange)) && !comboBox->editable) {
+                if (focus && !comboBox->editable
+                    && ((option->state & State_KeyboardFocusChange) || styleHint(SH_UnderlineShortcut, option, widget))) {
                     QStyleOptionFocusRect focus;
                     focus.rect = subControlRect(CC_ComboBox, &comboBoxCopy, SC_ComboBoxEditField, widget)
                                  .adjusted(0, 2, option->direction == Qt::RightToLeft ? 1 : -1, -2);
diff --git a/src/gui/styles/qgtkstyle.cpp b/src/gui/styles/qgtkstyle.cpp
index 1fe4627..ab81d97 100644
--- a/src/gui/styles/qgtkstyle.cpp
+++ b/src/gui/styles/qgtkstyle.cpp
@@ -1426,7 +1426,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                     QGtk::gtk_widget_style_get(gtkToggleButton, "interior-focus", &interiorFocus, NULL);
                     int xt = interiorFocus ? gtkToggleButton->style->xthickness : 0;
                     int yt = interiorFocus ? gtkToggleButton->style->ythickness : 0;
-                    if ((focus && (option->state & State_KeyboardFocusChange)))
+                    if (focus && ((option->state & State_KeyboardFocusChange) || styleHint(SH_UnderlineShortcut, option, widget)))
                         gtkCachedPainter.paintFocus(gtkToggleButton, "button",
                                               option->rect.adjusted(xt, yt, -xt, -yt),
                                               option->state & State_Sunken ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL,
diff --git a/src/gui/styles/qplastiquestyle.cpp b/src/gui/styles/qplastiquestyle.cpp
index 01c0e44..0a56213 100644
--- a/src/gui/styles/qplastiquestyle.cpp
+++ b/src/gui/styles/qplastiquestyle.cpp
@@ -4568,7 +4568,8 @@ void QPlastiqueStyle::drawComplexControl(ComplexControl control, const QStyleOpt
             }
 
             // Draw the focus rect
-            if (((option->state & State_HasFocus) && (option->state & State_KeyboardFocusChange)) && !comboBox->editable) {
+            if ((option->state & State_HasFocus) && !comboBox->editable
+                && ((option->state & State_KeyboardFocusChange) || styleHint(SH_UnderlineShortcut, option, widget))) {
                 QStyleOptionFocusRect focus;
                 focus.rect = subControlRect(CC_ComboBox, option, SC_ComboBoxEditField, widget)
                              .adjusted(-2, 0, 2, 0);
diff --git a/src/gui/text/qcssparser.cpp b/src/gui/text/qcssparser.cpp
index 0494b72..a05e5a1 100644
--- a/src/gui/text/qcssparser.cpp
+++ b/src/gui/text/qcssparser.cpp
@@ -57,46 +57,6 @@ QT_BEGIN_NAMESPACE
 
 using namespace QCss;
 
-const char *Scanner::tokenName(QCss::TokenType t)
-{
-    switch (t) {
-        case NONE: return "NONE";
-        case S: return "S";
-        case CDO: return "CDO";
-        case CDC: return "CDC";
-        case INCLUDES: return "INCLUDES";
-        case DASHMATCH: return "DASHMATCH";
-        case LBRACE: return "LBRACE";
-        case PLUS: return "PLUS";
-        case GREATER: return "GREATER";
-        case COMMA: return "COMMA";
-        case STRING: return "STRING";
-        case INVALID: return "INVALID";
-        case IDENT: return "IDENT";
-        case HASH: return "HASH";
-        case ATKEYWORD_SYM: return "ATKEYWORD_SYM";
-        case EXCLAMATION_SYM: return "EXCLAMATION_SYM";
-        case LENGTH: return "LENGTH";
-        case PERCENTAGE: return "PERCENTAGE";
-        case NUMBER: return "NUMBER";
-        case FUNCTION: return "FUNCTION";
-        case COLON: return "COLON";
-        case SEMICOLON: return "SEMICOLON";
-        case RBRACE: return "RBRACE";
-        case SLASH: return "SLASH";
-        case MINUS: return "MINUS";
-        case DOT: return "DOT";
-        case STAR: return "STAR";
-        case LBRACKET: return "LBRACKET";
-        case RBRACKET: return "RBRACKET";
-        case EQUAL: return "EQUAL";
-        case LPAREN: return "LPAREN";
-        case RPAREN: return "RPAREN";
-        case OR: return "OR";
-    }
-    return "";
-}
-
 struct QCssKnownValue
 {
     const char *name;
@@ -279,7 +239,7 @@ static const QCssKnownValue values[NumKnownValues - 1] = {
 };
 
 //Map id to strings as they appears in the 'values' array above
-static const int indexOfId[NumKnownValues] = { 0, 40, 47, 41, 48, 53, 34, 26, 68, 69, 25, 42, 5, 62, 46,
+static const short indexOfId[NumKnownValues] = { 0, 40, 47, 41, 48, 53, 34, 26, 68, 69, 25, 42, 5, 62, 46,
     29, 57, 58, 27, 50, 60, 6, 10, 38, 55, 19, 13, 17, 18, 20, 21, 49, 24, 45, 65, 36, 3, 2, 39, 61, 16,
     11, 56, 14, 32, 63, 54, 64, 33, 67, 8, 28, 37, 12, 35, 59, 7, 9, 4, 66, 52, 22, 23, 30, 31, 1, 15, 0,
     51, 44, 43 };
diff --git a/src/gui/text/qcssparser_p.h b/src/gui/text/qcssparser_p.h
index 72bd637..81f306d 100644
--- a/src/gui/text/qcssparser_p.h
+++ b/src/gui/text/qcssparser_p.h
@@ -731,7 +731,6 @@ class Q_AUTOTEST_EXPORT Scanner
 public:
     static QString preprocess(const QString &input, bool *hasEscapeSequences = 0);
     static void scan(const QString &preprocessedInput, QVector<Symbol> *symbols);
-    static const char *tokenName(TokenType t);
 };
 
 class Q_GUI_EXPORT Parser
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index 6e8adcf..79e341a 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -70,12 +70,6 @@ static inline bool qtransform_equals_no_translate(const QTransform &a, const QTr
     }
 }
 
-
-
-QFontEngineGlyphCache::~QFontEngineGlyphCache()
-{
-}
-
 // Harfbuzz helper functions
 
 static HB_Bool hb_stringToGlyphs(HB_Font font, const HB_UChar16 *string, hb_uint32 length, HB_Glyph *glyphs, hb_uint32 *numGlyphs, HB_Bool rightToLeft)
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index 0f8d81c..3ef9d5f 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -93,7 +93,6 @@ struct QGlyphLayout;
 
 class Q_GUI_EXPORT QFontEngine : public QObject
 {
-    Q_OBJECT
 public:
     enum Type {
         Box,
diff --git a/src/gui/text/qfontengineglyphcache_p.h b/src/gui/text/qfontengineglyphcache_p.h
index 8589cc6..ca67e3f 100644
--- a/src/gui/text/qfontengineglyphcache_p.h
+++ b/src/gui/text/qfontengineglyphcache_p.h
@@ -72,7 +72,7 @@
 
 QT_BEGIN_NAMESPACE
 
-class Q_GUI_EXPORT QFontEngineGlyphCache
+class QFontEngineGlyphCache
 {
 public:
     QFontEngineGlyphCache(const QTransform &matrix) : m_transform(matrix) { }
@@ -83,7 +83,7 @@ public:
         Raster_Mono
     };
 
-    virtual ~QFontEngineGlyphCache();
+    virtual ~QFontEngineGlyphCache() { }
 
     QTransform m_transform;
 };
diff --git a/src/gui/text/qtexthtmlparser.cpp b/src/gui/text/qtexthtmlparser.cpp
index ee743dc..76c59c3 100644
--- a/src/gui/text/qtexthtmlparser.cpp
+++ b/src/gui/text/qtexthtmlparser.cpp
@@ -343,7 +343,7 @@ static QChar resolveEntity(const QString &entity)
     return e->code;
 }
 
-static const uint windowsLatin1ExtendedCharacters[0xA0 - 0x80] = {
+static const ushort windowsLatin1ExtendedCharacters[0xA0 - 0x80] = {
     0x20ac, // 0x80
     0x0081, // 0x81 direct mapping
     0x201a, // 0x82
diff --git a/src/gui/util/qdesktopservices_win.cpp b/src/gui/util/qdesktopservices_win.cpp
index 9f8efb4..a8aa11c 100644
--- a/src/gui/util/qdesktopservices_win.cpp
+++ b/src/gui/util/qdesktopservices_win.cpp
@@ -165,6 +165,9 @@ static bool launchWebBrowser(const QUrl &url)
     if (!url.isValid())
         return false;
 
+    if (url.scheme().isEmpty())
+        return openDocument(url);
+
     quintptr returnValue;
     returnValue = (quintptr)ShellExecute(0, 0, (TCHAR *) QString::fromUtf8(url.toEncoded().constData()).utf16(),
                                          0, 0, SW_SHOWNORMAL);
diff --git a/src/gui/widgets/qdockarealayout.cpp b/src/gui/widgets/qdockarealayout.cpp
index 4f0ec1e..58e8f9c 100644
--- a/src/gui/widgets/qdockarealayout.cpp
+++ b/src/gui/widgets/qdockarealayout.cpp
@@ -2202,8 +2202,8 @@ QSet<QWidget*> QDockAreaLayoutInfo::usedSeparatorWidgets() const
 {
     QSet<QWidget*> result;
 
-    foreach (QWidget *sepWidget, separatorWidgets)
-        result << sepWidget;
+    for (int i = 0; i < separatorWidgets.count(); ++i)
+        result << separatorWidgets.at(i);
 
     for (int i = 0; i < item_list.count(); ++i) {
         const QDockAreaLayoutItem &item = item_list.at(i);
@@ -3244,8 +3244,8 @@ QSet<QWidget*> QDockAreaLayout::usedSeparatorWidgets() const
 {
     QSet<QWidget*> result;
 
-    foreach (QWidget *sepWidget, separatorWidgets)
-        result << sepWidget;
+    for (int i = 0; i < separatorWidgets.count(); ++i)
+        result << separatorWidgets.at(i);
     for (int i = 0; i < QInternal::DockCount; ++i) {
         const QDockAreaLayoutInfo &dock = docks[i];
         result += dock.usedSeparatorWidgets();
diff --git a/src/gui/widgets/qdockwidget.cpp b/src/gui/widgets/qdockwidget.cpp
index d573b8b..6a0c879 100644
--- a/src/gui/widgets/qdockwidget.cpp
+++ b/src/gui/widgets/qdockwidget.cpp
@@ -221,7 +221,8 @@ void QDockWidgetLayout::addItem(QLayoutItem*)
 QLayoutItem *QDockWidgetLayout::itemAt(int index) const
 {
     int cnt = 0;
-    foreach (QLayoutItem *item, item_list) {
+    for (int i = 0; i < item_list.count(); ++i) {
+        QLayoutItem *item = item_list.at(i);
         if (item == 0)
             continue;
         if (index == cnt++)
@@ -250,8 +251,8 @@ QLayoutItem *QDockWidgetLayout::takeAt(int index)
 int QDockWidgetLayout::count() const
 {
     int result = 0;
-    foreach (QLayoutItem *item, item_list) {
-        if (item != 0)
+    for (int i = 0; i < item_list.count(); ++i) {
+        if (item_list.at(i))
             ++result;
     }
     return result;
diff --git a/src/gui/widgets/qmenubar.cpp b/src/gui/widgets/qmenubar.cpp
index cffc3d5..fc7e901 100644
--- a/src/gui/widgets/qmenubar.cpp
+++ b/src/gui/widgets/qmenubar.cpp
@@ -220,7 +220,8 @@ void QMenuBarPrivate::updateGeometries()
 
     //we try to see if the actions will fit there
     bool hasHiddenActions = false;
-    foreach(QAction *action, actionList) {
+    for (int i = 0; i < actionList.count(); ++i) {
+        QAction *action = actionList.at(i);
         if (!menuRect.contains(actionRect(action))) {
             hasHiddenActions = true;
             break;
@@ -230,7 +231,8 @@ void QMenuBarPrivate::updateGeometries()
     //...and if not, determine the ones that fit on the menu with the extension visible
     if (hasHiddenActions) {
         menuRect = this->menuRect(true);
-        foreach(QAction *action, actionList) {
+        for (int i = 0; i < actionList.count(); ++i) {
+            QAction *action = actionList.at(i);
             if (!menuRect.contains(actionRect(action))) {
                 hiddenActions.append(action);
             }
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index ea57fdf..5c541d0 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -157,6 +157,7 @@ QGLEngineShaderManager::QGLEngineShaderManager(QGLContext* context)
     simpleShaderProg->addShader(compiledShaders[PositionOnlyVertexShader]);
     simpleShaderProg->addShader(compiledShaders[MainFragmentShader]);
     simpleShaderProg->addShader(compiledShaders[ShockingPinkSrcFragmentShader]);
+    simpleShaderProg->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
     simpleShaderProg->link();
     if (!simpleShaderProg->isLinked()) {
         qCritical() << "Errors linking simple shader:"
@@ -444,7 +445,7 @@ bool QGLEngineShaderManager::useCorrectShaderProg()
     requiredProgram.program->addShader(requiredProgram.compositionFragShader);
 
     // We have to bind the vertex attribute names before the program is linked:
-    requiredProgram.program->bindAttributeLocation("inputVertex", QT_VERTEX_COORDS_ATTR);
+    requiredProgram.program->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR);
     if (useTextureCoords)
         requiredProgram.program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR);
 
diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
index 920d0bc..70cc67e 100644
--- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
@@ -84,16 +84,20 @@ static const char* const qglslMainWithTexCoordsVertexShader = "\
 static const char* const qglslPositionOnlyVertexShader = "\
     attribute highp vec4    vertexCoordsArray;\
     uniform   highp mat4    pmvMatrix;\
+    uniform   highp float   depth;\
     void setPosition(void)\
     {\
             gl_Position = pmvMatrix * vertexCoordsArray;\
+            gl_Position.z = depth;\
     }";
 
 static const char* const qglslUntransformedPositionVertexShader = "\
     attribute highp vec4    vertexCoordsArray;\
+    uniform   highp float   depth;\
     void setPosition(void)\
     {\
             gl_Position = vertexCoordsArray;\
+            gl_Position.z = depth;\
     }";
 
 // Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125
@@ -104,9 +108,11 @@ static const char* const qglslPositionWithPatternBrushVertexShader = "\
     uniform   mediump vec2  invertedTextureSize; \
     uniform   mediump mat3  brushTransform; \
     varying   mediump vec2  patternTexCoords; \
+    uniform   highp   float depth;\
     void setPosition(void) { \
             gl_Position = pmvMatrix * vertexCoordsArray;\
             gl_Position.xy = gl_Position.xy / gl_Position.w; \
+            gl_Position.z = depth;\
             mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
             mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
             mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
@@ -136,9 +142,11 @@ static const char* const qglslPositionWithLinearGradientBrushVertexShader = "\
     uniform   highp   vec3  linearData; \
     uniform   highp   mat3  brushTransform; \
     varying   mediump float index ; \
+    uniform   highp   float depth;\
     void setPosition() { \
         gl_Position = pmvMatrix * vertexCoordsArray;\
         gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        gl_Position.z = depth;\
         mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
@@ -166,10 +174,12 @@ static const char* const qglslPositionWithConicalGradientBrushVertexShader = "\
     uniform   mediump vec2  halfViewportSize; \
     uniform   highp   mat3  brushTransform; \
     varying   highp   vec2  A; \
+    uniform   highp   float depth;\
     void setPosition(void)\
     {\
         gl_Position = pmvMatrix * vertexCoordsArray;\
         gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        gl_Position.z = depth; \
         mediump vec2  viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
@@ -205,10 +215,12 @@ static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\
     uniform   highp   vec2 fmp; \
     varying   highp   float b; \
     varying   highp   vec2  A; \
+    uniform   highp   float depth;\
     void setPosition(void) \
     {\
         gl_Position = pmvMatrix * vertexCoordsArray;\
         gl_Position.xy = gl_Position.xy / gl_Position.w; \
+        gl_Position.z = depth; \
         mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
         mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
         mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
@@ -242,9 +254,11 @@ static const char* const qglslPositionWithTextureBrushVertexShader = "\
     uniform   mediump vec2  invertedTextureSize; \
     uniform   mediump mat3  brushTransform; \
     varying   mediump vec2  brushTextureCoords; \
+    uniform   highp   float depth;\
     void setPosition(void) { \
             gl_Position = pmvMatrix * vertexCoordsArray;\
             gl_Position.xy = gl_Position.xy / gl_Position.w; \
+            gl_Position.z = depth; \
             mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \
             mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \
             mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 868adcf..bdea187 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -183,8 +183,8 @@ void QGLTextureGlyphCache::resizeTextureData(int width, int height)
 
     pex->transferMode(BrushDrawingMode);
 
-    glDisable(GL_SCISSOR_TEST);
     glDisable(GL_DEPTH_TEST);
+    glDisable(GL_SCISSOR_TEST);
 
     glViewport(0, 0, oldWidth, oldHeight);
 
@@ -217,7 +217,7 @@ void QGLTextureGlyphCache::resizeTextureData(int width, int height)
     glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo);
 
     glViewport(0, 0, pex->width, pex->height);
-    pex->updateDepthClip();
+    pex->updateDepthScissorTest();
 }
 
 void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
@@ -297,6 +297,11 @@ void QGL2PaintEngineExPrivate::useSimpleShader()
         shaderManager->simpleProgram()->setUniformValue("pmvMatrix", pmvMatrix);
         simpleShaderMatrixUniformDirty = false;
     }
+
+    if (simpleShaderDepthUniformDirty) {
+        shaderManager->simpleProgram()->setUniformValue("depth", (GLfloat)q->state()->currentDepth);
+        simpleShaderDepthUniformDirty = false;
+    }
 }
 
 
@@ -709,6 +714,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
     if (path.shape() == QVectorPath::RectangleHint) {
         QGLRect rect(points[0].x(), points[0].y(), points[2].x(), points[2].y());
         prepareForDraw(currentBrush->isOpaque());
+
         composite(rect);
     }
     else if (path.shape() == QVectorPath::EllipseHint) {
@@ -726,12 +732,14 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 
         // Stencil the brush onto the dest buffer
         glStencilFunc(GL_NOTEQUAL, 0, 0xFFFF); // Pass if stencil buff value != 0
+        glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
+
         glEnable(GL_STENCIL_TEST);
         prepareForDraw(currentBrush->isOpaque());
         composite(vertexCoordinateArray.boundingRect());
         glDisable(GL_STENCIL_TEST);
 
-        cleanStencilBuffer(vertexCoordinateArray.boundingRect());
+        glStencilMask(0);
     }
 }
 
@@ -739,17 +747,17 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
 void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(QGL2PEXVertexArray& vertexArray, bool useWindingFill)
 {
 //     qDebug("QGL2PaintEngineExPrivate::fillStencilWithVertexArray()");
-    if (stencilBuferDirty) {
+    glStencilMask(0xFFFF); // Enable stencil writes
+
+    if (stencilBufferDirty) {
         // Clear the stencil buffer to zeros
         glDisable(GL_STENCIL_TEST);
-        glStencilMask(0xFFFF); // Enable writing to stencil buffer, otherwise glClear wont do anything.
         glClearStencil(0); // Clear to zero
         glClear(GL_STENCIL_BUFFER_BIT);
-        stencilBuferDirty = false;
+        stencilBufferDirty = false;
     }
 
     glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); // Disable color writes
-    glStencilMask(0xFFFF); // Enable stencil writes
     glStencilFunc(GL_ALWAYS, 0, 0xFFFF); // Always pass the stencil test
 
     // Setup the stencil op:
@@ -759,7 +767,7 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(QGL2PEXVertexArray& ve
     } else
         glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); // Simply invert the stencil bit
 
-    // No point in using a fancy gradiant shader for writing into the stencil buffer!
+    // No point in using a fancy gradient shader for writing into the stencil buffer!
     useSimpleShader();
 
     glEnable(GL_STENCIL_TEST); // For some reason, this has to happen _after_ the simple shader is use()'d
@@ -770,41 +778,6 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(QGL2PEXVertexArray& ve
 
     // Enable color writes & disable stencil writes
     glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-    glStencilMask(0);
-}
-
-void QGL2PaintEngineExPrivate::cleanStencilBuffer(const QGLRect& area)
-{
-//     qDebug("QGL2PaintEngineExPrivate::cleanStencilBuffer()");
-    useSimpleShader();
-
-    GLfloat rectVerts[] = {
-        area.left,  area.top,
-        area.left,  area.bottom,
-        area.right, area.bottom,
-        area.right, area.top
-    };
-
-    glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-    glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, rectVerts);
-
-    glEnable(GL_STENCIL_TEST);
-    glStencilFunc(GL_ALWAYS, 0, 0xFFFF); // Always pass the stencil test
-
-    glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); // Disable color writes
-    glStencilMask(0xFFFF); // Enable writing to stencil buffer
-    glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO); // Write 0's to stencil buffer
-
-    glDisable(GL_BLEND);
-
-    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-    glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-
-    // Enable color writes & disable stencil writes
-    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-    glStencilMask(0);
-    glDisable(GL_STENCIL_TEST);
 }
 
 void QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
@@ -843,6 +816,7 @@ void QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
         // The shader program has changed so mark all uniforms as dirty:
         brushUniformsDirty = true;
         shaderMatrixUniformDirty = true;
+        depthUniformDirty = true;
     }
 
     if (brushUniformsDirty && mode != ImageDrawingMode)
@@ -853,6 +827,11 @@ void QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
         shaderMatrixUniformDirty = false;
     }
 
+    if (depthUniformDirty) {
+        shaderManager->currentProgram()->setUniformValue("depth", (GLfloat)q->state()->currentDepth);
+        depthUniformDirty = false;
+    }
+
     if (useGlobalOpacityUniform)
         shaderManager->currentProgram()->setUniformValue("globalOpacity", (GLfloat)q->state()->opacity);
 }
@@ -1062,7 +1041,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, const QTextIte
     matrix.translate(p.x(), p.y());
     ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
 
-
     QFontEngineGlyphCache::Type glyphType = ti.fontEngine->glyphFormat >= 0
         ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat)
         : QFontEngineGlyphCache::Raster_A8;
@@ -1146,6 +1124,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     }
 
     d->ctx->d_ptr->active_engine = this;
+    d->last_created_state = 0;
 
     d->drawable.makeCurrent();
     QSize sz = d->drawable.size();
@@ -1172,12 +1151,16 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     d->brushUniformsDirty = true;
     d->matrixDirty = true;
     d->compositionModeDirty = true;
-    d->stencilBuferDirty = true;
+    d->stencilBufferDirty = true;
+    d->simpleShaderDepthUniformDirty = true;
+    d->depthUniformDirty = true;
 
     d->use_system_clip = !systemClip().isEmpty();
 
     glDisable(GL_DEPTH_TEST);
     glDisable(GL_SCISSOR_TEST);
+    glDepthFunc(GL_LEQUAL);
+    glDepthMask(false);
 
     QGLPixmapData *source = d->drawable.copyOnBegin();
     if (d->drawable.context()->d_func()->clear_on_painter_begin && d->drawable.autoFillBackground()) {
@@ -1201,7 +1184,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
         d->drawTexture(QRectF(rect), QRectF(rect), rect.size(), true);
     }
 
-    updateClipRegion(QRegion(), Qt::NoClip);
+    d->systemStateChanged();
     return true;
 }
 
@@ -1245,260 +1228,297 @@ void QGL2PaintEngineEx::ensureActive()
         ctx->d_ptr->active_engine = this;
 
         glDisable(GL_DEPTH_TEST);
-        glDisable(GL_SCISSOR_TEST);
 
         glViewport(0, 0, d->width, d->height);
+
         setState(state());
-        d->updateDepthClip();
     }
 }
 
+void QGL2PaintEngineExPrivate::updateDepthScissorTest()
+{
+    Q_Q(QGL2PaintEngineEx);
+    if (q->state()->depthTestEnabled)
+        glEnable(GL_DEPTH_TEST);
+    else
+        glDisable(GL_DEPTH_TEST);
 
-/////////////////////////////////// State/Clipping stolen from QOpenGLPaintEngine //////////////////////////////////////////
+    if (q->state()->scissorTestEnabled)
+        glEnable(GL_SCISSOR_TEST);
+    else
+        glDisable(GL_SCISSOR_TEST);
+}
 
 void QGL2PaintEngineEx::clipEnabledChanged()
 {
     Q_D(QGL2PaintEngineEx);
 
-    d->updateDepthClip();
+    d->simpleShaderDepthUniformDirty = true;
+    d->depthUniformDirty = true;
+
+    if (painter()->hasClipping()) {
+        d->regenerateDepthClip();
+    } else {
+        if (d->use_system_clip) {
+            state()->currentDepth = -0.5f;
+        } else {
+            glDisable(GL_DEPTH_TEST);
+            state()->depthTestEnabled = false;
+        }
+    }
 }
 
-void QGL2PaintEngineEx::clip(const QVectorPath &path, Qt::ClipOperation op)
+void QGL2PaintEngineExPrivate::writeClip(const QVectorPath &path, float depth)
 {
-//     qDebug("QGL2PaintEngineEx::clip()");
-    const qreal *points = path.points();
-    const QPainterPath::ElementType *types = path.elements();
-    if (!types && path.shape() == QVectorPath::RectangleHint) {
-        QRectF r(points[0], points[1], points[4]-points[0], points[5]-points[1]);
-        updateClipRegion(QRegion(r.toRect()), op);
-        return;
-    }
+    transferMode(BrushDrawingMode);
 
-    QPainterPath p;
-    if (types) {
-        int id = 0;
-        for (int i=0; i<path.elementCount(); ++i) {
-            switch(types[i]) {
-            case QPainterPath::MoveToElement:
-                p.moveTo(QPointF(points[id], points[id+1]));
-                id+=2;
-                break;
-            case QPainterPath::LineToElement:
-                p.lineTo(QPointF(points[id], points[id+1]));
-                id+=2;
-                break;
-            case QPainterPath::CurveToElement: {
-                QPointF p1(points[id], points[id+1]);
-                QPointF p2(points[id+2], points[id+3]);
-                QPointF p3(points[id+4], points[id+5]);
-                p.cubicTo(p1, p2, p3);
-                id+=6;
-                break;
-            }
-            case QPainterPath::CurveToDataElement:
-                ;
-                break;
-            }
-        }
-    } else if (!path.isEmpty()) {
-        p.moveTo(QPointF(points[0], points[1]));
-        int id = 2;
-        for (int i=1; i<path.elementCount(); ++i) {
-            p.lineTo(QPointF(points[id], points[id+1]));
-            id+=2;
-        }
+    if (matrixDirty)
+        updateMatrix();
+
+    if (q->state()->needsDepthBufferClear) {
+        glDepthMask(true);
+        glClearDepth(0.5);
+        glClear(GL_DEPTH_BUFFER_BIT);
+        q->state()->needsDepthBufferClear = false;
+        glDepthMask(false);
     }
-    if (path.hints() & QVectorPath::WindingFill)
-        p.setFillRule(Qt::WindingFill);
 
-    updateClipRegion(QRegion(p.toFillPolygon().toPolygon(), p.fillRule()), op);
-    return;
+    if (path.isEmpty())
+        return;
+
+    glDisable(GL_BLEND);
+    glDepthMask(false);
+
+    vertexCoordinateArray.clear();
+    vertexCoordinateArray.addPath(path, inverseScale);
+
+    glDepthMask(GL_FALSE);
+    fillStencilWithVertexArray(vertexCoordinateArray, path.hasWindingFill());
+
+    // Stencil the clip onto the clip buffer
+    glColorMask(false, false, false, false);
+    glDepthMask(true);
+
+    shaderManager->simpleProgram()->setUniformValue("depth", depth);
+    simpleShaderDepthUniformDirty = true;
+
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_ALWAYS);
+
+    glStencilFunc(GL_NOTEQUAL, 0, 0xFFFF); // Pass if stencil buff value != 0
+    glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
+
+    glEnable(GL_STENCIL_TEST);
+    composite(vertexCoordinateArray.boundingRect());
+    glDisable(GL_STENCIL_TEST);
+
+    glStencilMask(0);
+
+    glColorMask(true, true, true, true);
+    glDepthMask(false);
 }
 
-void QGL2PaintEngineEx::updateClipRegion(const QRegion &clipRegion, Qt::ClipOperation op)
+void QGL2PaintEngineEx::clip(const QVectorPath &path, Qt::ClipOperation op)
 {
-//     qDebug("QGL2PaintEngineEx::updateClipRegion()");
+//     qDebug("QGL2PaintEngineEx::clip()");
     Q_D(QGL2PaintEngineEx);
 
-    QRegion sysClip = systemClip();
-    if (op == Qt::NoClip && !d->use_system_clip) {
-        state()->hasClipping = false;
-        state()->clipRegion = QRegion();
-        d->updateDepthClip();
-        return;
-    }
+    if (op == Qt::ReplaceClip && !d->hasClipOperations())
+        op = Qt::IntersectClip;
 
-    bool isScreenClip = false;
-    if (!d->use_system_clip) {
-        QVector<QRect> untransformedRects = clipRegion.rects();
+    if (!path.isEmpty() && op == Qt::IntersectClip && (path.hints() & QVectorPath::RectangleHint)) {
+        const QPointF* const points = reinterpret_cast<const QPointF*>(path.points());
+        QRectF rect(points[0], points[2]);
 
-        if (untransformedRects.size() == 1) {
-            QPainterPath path;
-            path.addRect(untransformedRects[0]);
-            //path = d->matrix.map(path);
-            path = state()->matrix.map(path);
-
-//             if (path.contains(QRectF(QPointF(), d->drawable.size())))
-//                 isScreenClip = true;
-            if (path.contains(QRectF(0.0, 0.0, d->width, d->height)))
-                isScreenClip = true;
+        if (state()->matrix.type() <= QTransform::TxScale) {
+            rect = state()->matrix.mapRect(rect);
+
+            if (d->use_system_clip && rect.contains(d->systemClip.boundingRect())
+                || rect.contains(QRect(0, 0, d->width, d->height)))
+                return;
         }
     }
 
-//     QRegion region = isScreenClip ? QRegion() : clipRegion * d->matrix;
-    QRegion region = isScreenClip ? QRegion() : clipRegion * state()->matrix;
     switch (op) {
     case Qt::NoClip:
-        if (!d->use_system_clip)
-            break;
-        state()->clipRegion = sysClip;
+        if (d->use_system_clip) {
+            glEnable(GL_DEPTH_TEST);
+            state()->depthTestEnabled = true;
+            state()->currentDepth = -0.5;
+        } else {
+            glDisable(GL_DEPTH_TEST);
+            state()->depthTestEnabled = false;
+        }
+        state()->canRestoreClip = false;
         break;
     case Qt::IntersectClip:
-        if (isScreenClip)
-            return;
-        if (state()->hasClipping) {
-            state()->clipRegion &= region;
-            break;
-        }
-        // fall through
+        state()->maxDepth = (1.0f + state()->maxDepth) * 0.5;
+        d->writeClip(path, state()->maxDepth);
+        state()->currentDepth = 1.5 * state()->maxDepth - 0.5f;
+        state()->depthTestEnabled = true;
+        break;
     case Qt::ReplaceClip:
-        if (d->use_system_clip && !sysClip.isEmpty())
-            state()->clipRegion = region & sysClip;
-        else
-            state()->clipRegion = region;
+        d->systemStateChanged();
+        state()->maxDepth = 0.5f;
+        glDepthFunc(GL_ALWAYS);
+        d->writeClip(path, state()->maxDepth);
+        state()->currentDepth = 0.25f;
+        state()->canRestoreClip = false;
+        state()->depthTestEnabled = true;
         break;
     case Qt::UniteClip:
-        state()->clipRegion |= region;
-        if (d->use_system_clip && !sysClip.isEmpty())
-            state()->clipRegion &= sysClip;
-        break;
-    default:
+        glDepthFunc(GL_ALWAYS);
+        d->writeClip(path, state()->maxDepth);
+        state()->canRestoreClip = false;
+        state()->depthTestEnabled = true;
         break;
     }
 
-    if (isScreenClip) {
-        state()->hasClipping = false;
-        state()->clipRegion = QRegion();
-    } else {
-        state()->hasClipping = op != Qt::NoClip || d->use_system_clip;
+    glDepthFunc(GL_LEQUAL);
+    if (state()->depthTestEnabled) {
+        glEnable(GL_DEPTH_TEST);
+        d->simpleShaderDepthUniformDirty = true;
+        d->depthUniformDirty = true;
     }
-
-    d->updateDepthClip();
 }
 
-void QGL2PaintEngineExPrivate::systemStateChanged()
+void QGL2PaintEngineExPrivate::regenerateDepthClip()
 {
-    Q_Q(QGL2PaintEngineEx);
-    use_system_clip = !systemClip.isEmpty();
-
-    if (q->painter()->hasClipping())
-        q->updateClipRegion(q->painter()->clipRegion(), Qt::ReplaceClip);
-    else
-        q->updateClipRegion(QRegion(), Qt::NoClip);
+    systemStateChanged();
+    replayClipOperations();
 }
 
-void QGL2PaintEngineExPrivate::updateDepthClip()
+void QGL2PaintEngineExPrivate::systemStateChanged()
 {
-//     qDebug("QGL2PaintEngineExPrivate::updateDepthClip()");
-
     Q_Q(QGL2PaintEngineEx);
+    use_system_clip = !systemClip.isEmpty();
 
-    q->ensureActive();
     glDisable(GL_DEPTH_TEST);
+    q->state()->depthTestEnabled = false;
+    q->state()->scissorTestEnabled = false;
+    q->state()->needsDepthBufferClear = true;
+
     glDisable(GL_SCISSOR_TEST);
 
-    if (!q->state()->hasClipping)
-        return;
+    q->state()->currentDepth = -0.5f;
+    q->state()->maxDepth = 0.5f;
 
-    const QVector<QRect> rects = q->state()->clipEnabled ? q->state()->clipRegion.rects() : q->systemClip().rects();
-    if (rects.size() == 1) {
-        QRect fastClip = rects.at(0);
+    if (use_system_clip) {
+        QRect bounds = systemClip.boundingRect();
+        if (systemClip.numRects() == 1
+            && bounds == QRect(0, 0, width, height))
+        {
+            q->state()->needsDepthBufferClear = true;
+        } else {
+            glEnable(GL_SCISSOR_TEST);
 
-        glEnable(GL_SCISSOR_TEST);
+            const int left = bounds.left();
+            const int width = bounds.width();
+            const int bottom = height - (bounds.top() + bounds.height());
+            const int height = bounds.height();
 
-        const int left = fastClip.left();
-        const int width = fastClip.width();
-        const int bottom = height - (fastClip.bottom() + 1);
-        const int height = fastClip.height();
+            glScissor(left, bottom, width, height);
 
-        glScissor(left, bottom, width, height);
-        return;
-    }
+            QTransform transform = q->state()->matrix;
+            q->state()->matrix = QTransform();
+            q->transformChanged();
 
-    glClearDepth(0x0);
-    glDepthMask(true);
-    glClear(GL_DEPTH_BUFFER_BIT);
-    glClearDepth(0x1);
+            q->state()->needsDepthBufferClear = false;
 
-    glEnable(GL_SCISSOR_TEST);
-    for (int i = 0; i < rects.size(); ++i) {
-        QRect rect = rects.at(i);
+            glDepthMask(true);
 
-        const int left = rect.left();
-        const int width = rect.width();
-        const int bottom = height - (rect.bottom() + 1);
-        const int height = rect.height();
+            glClearDepth(0);
+            glClear(GL_DEPTH_BUFFER_BIT);
 
-        glScissor(left, bottom, width, height);
+            QPainterPath path;
+            path.addRegion(systemClip);
 
-        glClear(GL_DEPTH_BUFFER_BIT);
-    }
-    glDisable(GL_SCISSOR_TEST);
+            glDepthFunc(GL_ALWAYS);
+            writeClip(qtVectorPathForPath(path), 0.0f);
+            glDepthFunc(GL_LEQUAL);
 
-    glDepthMask(false);
-    glDepthFunc(GL_LEQUAL);
-    glEnable(GL_DEPTH_TEST);
-}
+            glEnable(GL_DEPTH_TEST);
+            q->state()->depthTestEnabled = true;
+            q->state()->scissorTestEnabled = true;
 
+            q->state()->matrix = transform;
+            q->transformChanged();
+        }
 
+        q->state()->currentDepth = -0.5f;
+        simpleShaderDepthUniformDirty = true;
+        depthUniformDirty = true;
+    }
+}
 
 void QGL2PaintEngineEx::setState(QPainterState *new_state)
 {
-//     qDebug("QGL2PaintEngineEx::setState()");
+    //     qDebug("QGL2PaintEngineEx::setState()");
 
     Q_D(QGL2PaintEngineEx);
 
     QOpenGL2PaintEngineState *s = static_cast<QOpenGL2PaintEngineState *>(new_state);
-
     QOpenGL2PaintEngineState *old_state = state();
-    const bool needsDepthClipUpdate = !old_state
-            || s->clipEnabled != old_state->clipEnabled
-            || (s->clipEnabled && s->clipRegion != old_state->clipRegion);
 
     QPaintEngineEx::setState(s);
 
-    if (needsDepthClipUpdate)
-        d->updateDepthClip();
+    if (s == d->last_created_state) {
+        d->last_created_state = 0;
+        return;
+    }
 
     d->matrixDirty = true;
     d->compositionModeDirty = true;
     d->brushTextureDirty = true;
     d->brushUniformsDirty = true;
+    d->simpleShaderDepthUniformDirty = true;
+    d->depthUniformDirty = true;
     d->simpleShaderMatrixUniformDirty = true;
     d->shaderMatrixUniformDirty = true;
+
+    if (old_state && old_state != s && old_state->canRestoreClip) {
+        d->updateDepthScissorTest();
+        glDepthMask(false);
+        glDepthFunc(GL_LEQUAL);
+        s->maxDepth = old_state->maxDepth;
+    } else {
+        d->regenerateDepthClip();
+    }
 }
 
 QPainterState *QGL2PaintEngineEx::createState(QPainterState *orig) const
 {
+    Q_D(const QGL2PaintEngineEx);
+
     QOpenGL2PaintEngineState *s;
     if (!orig)
         s = new QOpenGL2PaintEngineState();
     else
         s = new QOpenGL2PaintEngineState(*static_cast<QOpenGL2PaintEngineState *>(orig));
 
+    d->last_created_state = s;
     return s;
 }
 
 QOpenGL2PaintEngineState::QOpenGL2PaintEngineState(QOpenGL2PaintEngineState &other)
     : QPainterState(other)
 {
-    clipRegion = other.clipRegion;
-    hasClipping = other.hasClipping;
+    needsDepthBufferClear = other.needsDepthBufferClear;
+    depthTestEnabled = other.depthTestEnabled;
+    scissorTestEnabled = other.scissorTestEnabled;
+    currentDepth = other.currentDepth;
+    maxDepth = other.maxDepth;
+    canRestoreClip = other.canRestoreClip;
 }
 
 QOpenGL2PaintEngineState::QOpenGL2PaintEngineState()
 {
-    hasClipping = false;
+    needsDepthBufferClear = true;
+    depthTestEnabled = false;
+    scissorTestEnabled = false;
+    currentDepth = -0.5f;
+    maxDepth = 0.5f;
+    canRestoreClip = true;
 }
 
 QOpenGL2PaintEngineState::~QOpenGL2PaintEngineState()
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 7213474..db39ced 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -77,8 +77,15 @@ public:
     QOpenGL2PaintEngineState();
     ~QOpenGL2PaintEngineState();
 
-    QRegion clipRegion;
-    bool hasClipping;
+    bool needsDepthBufferClear;
+    qreal depthBufferClearValue;
+
+    bool depthTestEnabled;
+    bool scissorTestEnabled;
+    qreal currentDepth;
+    qreal maxDepth;
+
+    bool canRestoreClip;
 };
 
 
@@ -116,7 +123,6 @@ public:
 
     Type type() const { return OpenGL; }
 
-    // State stuff is just for clipping and ripped off from QGLPaintEngine
     void setState(QPainterState *s);
     QPainterState *createState(QPainterState *orig) const;
     inline QOpenGL2PaintEngineState *state() {
@@ -125,7 +131,6 @@ public:
     inline const QOpenGL2PaintEngineState *state() const {
         return static_cast<const QOpenGL2PaintEngineState *>(QPaintEngineEx::state());
     }
-    void updateClipRegion(const QRegion &clipRegion, Qt::ClipOperation op);
     virtual void sync();
 
 private:
@@ -169,7 +174,6 @@ public:
         // ^ Composites the bounding rect onto dest buffer
     void fillStencilWithVertexArray(QGL2PEXVertexArray& vertexArray, bool useWindingFill);
         // ^ Calls drawVertexArrays to render into stencil buffer
-    void cleanStencilBuffer(const QGLRect& area);
 
     void prepareForDraw(bool srcPixelsAreOpaque);
 
@@ -180,9 +184,10 @@ public:
     QGLDrawable drawable;
     int width, height;
     QGLContext *ctx;
-
     EngineMode mode;
 
+    mutable QOpenGL2PaintEngineState *last_created_state;
+
     // Dirty flags
     bool matrixDirty; // Implies matrix uniforms are also dirty
     bool compositionModeDirty;
@@ -190,7 +195,9 @@ public:
     bool brushUniformsDirty;
     bool simpleShaderMatrixUniformDirty;
     bool shaderMatrixUniformDirty;
-    bool stencilBuferDirty;
+    bool stencilBufferDirty;
+    bool depthUniformDirty;
+    bool simpleShaderDepthUniformDirty;
 
     const QBrush*    currentBrush; // May not be the state's brush!
 
@@ -206,8 +213,9 @@ public:
 
     QGLEngineShaderManager* shaderManager;
 
-    // Clipping & state stuff stolen from QOpenGLPaintEngine:
-    void updateDepthClip();
+    void writeClip(const QVectorPath &path, float depth);
+    void updateDepthScissorTest();
+    void regenerateDepthClip();
     void systemStateChanged();
     uint use_system_clip : 1;
 };
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp
index 3c198fb..10ca613 100644
--- a/src/opengl/qglextensions.cpp
+++ b/src/opengl/qglextensions.cpp
@@ -337,6 +337,9 @@ bool qt_resolve_version_2_0_functions(QGLContext *ctx)
     if (!qt_resolve_version_1_3_functions(ctx))
         gl2supported = false;
 
+    if (!qt_resolve_framebufferobject_extensions(ctx))
+        gl2supported = false;
+
     if (glStencilOpSeparate)
         return gl2supported;
 
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 8d94c8b..98c406b 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -389,6 +389,11 @@ QPaintEngine* QGLPixmapData::paintEngine() const
                     sz.setWidth(qMax(m_width, qRound(sz.width() * 1.5)));
                 if (sz.height() < m_height)
                     sz.setHeight(qMax(m_height, qRound(sz.height() * 1.5)));
+
+                // wasting too much space?
+                if (sz.width() * sz.height() > m_width * m_height * 2.5)
+                    sz = QSize(m_width, m_height);
+
                 delete textureBufferStack.at(currentTextureBuffer).fbo;
                 textureBufferStack[currentTextureBuffer] =
                     createTextureBuffer(sz, textureBufferStack.at(currentTextureBuffer).engine);
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 6d0bc1f..088ef97 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
@@ -781,7 +781,8 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
 
 #ifndef QT_NO_IMAGE_SMOOTHSCALE
         // If high quality not required, shrink image during decompression
-        if (scaledSize.isValid() && quality < HIGH_QUALITY_THRESHOLD && !params.contains(QLatin1String("GetHeaderInformation")) ) {
+        if (scaledSize.isValid() && !scaledSize.isEmpty() && quality < HIGH_QUALITY_THRESHOLD
+            && !params.contains(QLatin1String("GetHeaderInformation")) ) {
             cinfo.scale_denom = qMin(cinfo.image_width / scaledSize.width(),
                                      cinfo.image_width / scaledSize.height());
             if (cinfo.scale_denom < 2) {
diff --git a/src/plugins/imageformats/tiff/qtiffhandler.cpp b/src/plugins/imageformats/tiff/qtiffhandler.cpp
index 77dfeb3..791aeaa 100644
--- a/src/plugins/imageformats/tiff/qtiffhandler.cpp
+++ b/src/plugins/imageformats/tiff/qtiffhandler.cpp
@@ -131,58 +131,138 @@ bool QTiffHandler::read(QImage *image)
     if (!canRead())
         return false;
 
-    TIFF *tiff = TIFFClientOpen("foo",
-                                "r",
-                                this,
-                                qtiffReadProc,
-                                qtiffWriteProc,
-                                qtiffSeekProc,
-                                qtiffCloseProc,
-                                qtiffSizeProc,
-                                qtiffMapProc,
-                                qtiffUnmapProc);
-
-    if (tiff) {
-        uint32 width = 0;
-        uint32 height = 0;
-        TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &width);
-        TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &height);
-        if (image->size() != QSize(width, height) || image->format() != QImage::Format_ARGB32)
-            *image = QImage(width, height, QImage::Format_ARGB32);
+    TIFF *const tiff = TIFFClientOpen("foo",
+                                      "r",
+                                      this,
+                                      qtiffReadProc,
+                                      qtiffWriteProc,
+                                      qtiffSeekProc,
+                                      qtiffCloseProc,
+                                      qtiffSizeProc,
+                                      qtiffMapProc,
+                                      qtiffUnmapProc);
+
+    if (!tiff) {
+        return false;
+    }
+    uint32 width;
+    uint32 height;
+    uint16 photometric;
+    if (!TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &width)
+        || !TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &height)
+        || !TIFFGetField(tiff, TIFFTAG_PHOTOMETRIC, &photometric)) {
+        TIFFClose(tiff);
+        return false;
+    }
+
+    if (photometric == PHOTOMETRIC_MINISBLACK || photometric == PHOTOMETRIC_MINISWHITE) {
+        if (image->size() != QSize(width, height) || image->format() != QImage::Format_Mono)
+            *image = QImage(width, height, QImage::Format_Mono);
+        QVector<QRgb> colortable(2);
+        if (photometric == PHOTOMETRIC_MINISBLACK) {
+            colortable[0] = 0xff000000;
+            colortable[1] = 0xffffffff;
+        } else {
+            colortable[0] = 0xffffffff;
+            colortable[1] = 0xff000000;
+        }
+        image->setColorTable(colortable);
+
         if (!image->isNull()) {
-            if (TIFFReadRGBAImageOriented(tiff, width, height, reinterpret_cast<uint32 *>(image->bits()), ORIENTATION_TOPLEFT, 0)) {
-                uint16 resUnit = RESUNIT_NONE;
-                float resX = 0;
-                float resY = 0;
-                TIFFGetField(tiff, TIFFTAG_RESOLUTIONUNIT, &resUnit);
-                TIFFGetField(tiff, TIFFTAG_XRESOLUTION, &resX);
-                TIFFGetField(tiff, TIFFTAG_YRESOLUTION, &resY);
-                switch(resUnit) {
-                    case RESUNIT_CENTIMETER:
-                        image->setDotsPerMeterX(qRound(resX * 100));
-                        image->setDotsPerMeterY(qRound(resY * 100));
-                        break;
-                    case RESUNIT_INCH:
-                        image->setDotsPerMeterX(qRound(resX * (100 / 2.54)));
-                        image->setDotsPerMeterY(qRound(resY * (100 / 2.54)));
-                        break;
-                    default:
-                        // do nothing as defaults have already
-                        // been set within the QImage class
-                        break;
+            for (uint32 y=0; y<height; ++y) {
+                if (TIFFReadScanline(tiff, image->scanLine(y), y, 0) < 0) {
+                        TIFFClose(tiff);
+                        return false;
+                }
+            }
+        }
+    } else {
+        uint16 bitPerSample;
+        if (!TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bitPerSample)) {
+            TIFFClose(tiff);
+            return false;
+        }
+        if (photometric == PHOTOMETRIC_PALETTE && bitPerSample == 8) {
+            if (image->size() != QSize(width, height) || image->format() != QImage::Format_Indexed8)
+                *image = QImage(width, height, QImage::Format_Indexed8);
+            if (!image->isNull()) {
+                // create the color table
+                const uint16 tableSize = 256;
+                uint16 *redTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                uint16 *greenTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                uint16 *blueTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                if (!redTable || !greenTable || !blueTable) {
+                    TIFFClose(tiff);
+                    return false;
+                }
+                if (!TIFFGetField(tiff, TIFFTAG_COLORMAP, &redTable, &greenTable, &blueTable)) {
+                    TIFFClose(tiff);
+                    return false;
+                }
+
+                QVector<QRgb> qtColorTable(tableSize);
+                for (int i = 0; i<tableSize ;++i) {
+                    const int red = redTable[i] / 257;
+                    const int green = greenTable[i] / 257;
+                    const int blue = blueTable[i] / 257;
+                    qtColorTable[i] = qRgb(red, green, blue);
+
+                }
+
+                image->setColorTable(qtColorTable);
+                for (uint32 y=0; y<height; ++y) {
+                    if (TIFFReadScanline(tiff, image->scanLine(y), y, 0) < 0) {
+                        TIFFClose(tiff);
+                        return false;
+                    }
+                }
+
+                // free redTable, greenTable and greenTable done by libtiff
+            }
+        } else {
+            if (image->size() != QSize(width, height) || image->format() != QImage::Format_ARGB32)
+                *image = QImage(width, height, QImage::Format_ARGB32);
+            if (!image->isNull()) {
+                if (TIFFReadRGBAImageOriented(tiff, width, height, reinterpret_cast<uint32 *>(image->bits()), ORIENTATION_TOPLEFT, 0)) {
+                    for (uint32 y=0; y<height; ++y)
+                        convert32BitOrder(image->scanLine(y), width);
+                } else {
+                    TIFFClose(tiff);
+                    return false;
                 }
-                for (uint32 y=0; y<height; ++y)
-                    convert32BitOrder(image->scanLine(y), width);
-            } else {
-                *image = QImage();
             }
         }
-        TIFFClose(tiff);
     }
 
-    if (image->isNull())
+    if (image->isNull()) {
+        TIFFClose(tiff);
         return false;
+    }
+
+    float resX = 0;
+    float resY = 0;
+    uint16 resUnit = RESUNIT_NONE;
+    if (TIFFGetField(tiff, TIFFTAG_RESOLUTIONUNIT, &resUnit)
+        && TIFFGetField(tiff, TIFFTAG_XRESOLUTION, &resX)
+        && TIFFGetField(tiff, TIFFTAG_YRESOLUTION, &resY)) {
+
+        switch(resUnit) {
+        case RESUNIT_CENTIMETER:
+            image->setDotsPerMeterX(qRound(resX * 100));
+            image->setDotsPerMeterY(qRound(resY * 100));
+            break;
+        case RESUNIT_INCH:
+            image->setDotsPerMeterX(qRound(resX * (100 / 2.54)));
+            image->setDotsPerMeterY(qRound(resY * (100 / 2.54)));
+            break;
+        default:
+            // do nothing as defaults have already
+            // been set within the QImage class
+            break;
+        }
+    }
 
+    TIFFClose(tiff);
     return true;
 }
 
@@ -191,48 +271,145 @@ bool QTiffHandler::write(const QImage &image)
     if (!device()->isWritable())
         return false;
 
-    TIFF *tiff = TIFFClientOpen("foo",
-                                "w",
-                                this,
-                                qtiffReadProc,
-                                qtiffWriteProc,
-                                qtiffSeekProc,
-                                qtiffCloseProc,
-                                qtiffSizeProc,
-                                qtiffMapProc,
-                                qtiffUnmapProc);
-
-    if (tiff) {
-        int width = image.width();
-        int height = image.height();
-        int depth = 32;
-
-        if (!TIFFSetField(tiff, TIFFTAG_IMAGEWIDTH, width)
-                || !TIFFSetField(tiff, TIFFTAG_IMAGELENGTH, height)
-                || !TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)
-                || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_LZW)
-                || !TIFFSetField(tiff, TIFFTAG_SAMPLESPERPIXEL, depth/8)
-                || !TIFFSetField(tiff, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)
-                || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
+    TIFF *const tiff = TIFFClientOpen("foo",
+                                      "w",
+                                      this,
+                                      qtiffReadProc,
+                                      qtiffWriteProc,
+                                      qtiffSeekProc,
+                                      qtiffCloseProc,
+                                      qtiffSizeProc,
+                                      qtiffMapProc,
+                                      qtiffUnmapProc);
+    if (!tiff)
+        return false;
+
+    const int width = image.width();
+    const int height = image.height();
+
+    if (!TIFFSetField(tiff, TIFFTAG_IMAGEWIDTH, width)
+        || !TIFFSetField(tiff, TIFFTAG_IMAGELENGTH, height)
+        || !TIFFSetField(tiff, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) {
+        TIFFClose(tiff);
+        return false;
+    }
+
+    // set the resolution
+    bool  resolutionSet = false;
+    const int dotPerMeterX = image.dotsPerMeterX();
+    const int dotPerMeterY = image.dotsPerMeterY();
+    if ((dotPerMeterX % 100) == 0
+        && (dotPerMeterY % 100) == 0) {
+        resolutionSet = TIFFSetField(tiff, TIFFTAG_RESOLUTIONUNIT, RESUNIT_CENTIMETER)
+                        && TIFFSetField(tiff, TIFFTAG_XRESOLUTION, dotPerMeterX/100.0)
+                        && TIFFSetField(tiff, TIFFTAG_YRESOLUTION, dotPerMeterY/100.0);
+    } else {
+        resolutionSet = TIFFSetField(tiff, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH)
+                        && TIFFSetField(tiff, TIFFTAG_XRESOLUTION, static_cast<float>(image.logicalDpiX()))
+                        && TIFFSetField(tiff, TIFFTAG_YRESOLUTION, static_cast<float>(image.logicalDpiY()));
+    }
+    if (!resolutionSet) {
+        TIFFClose(tiff);
+        return false;
+    }
+
+    // configure image depth
+    const QImage::Format format = image.format();
+    if (format == QImage::Format_Mono || format == QImage::Format_MonoLSB) {
+        uint16 photometric = PHOTOMETRIC_MINISBLACK;
+        if (image.colorTable().at(0) == 0xffffffff)
+            photometric = PHOTOMETRIC_MINISWHITE;
+        if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, photometric)
+            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_CCITTRLE)) {
             TIFFClose(tiff);
             return false;
         }
 
-        // set the resolution
-        bool  resolutionSet = false;
-        const int dotPerMeterX = image.dotsPerMeterX();
-        const int dotPerMeterY = image.dotsPerMeterY();
-        if ((dotPerMeterX % 100) == 0
-                && (dotPerMeterY % 100) == 0) {
-            resolutionSet = TIFFSetField(tiff, TIFFTAG_RESOLUTIONUNIT, RESUNIT_CENTIMETER)
-                && TIFFSetField(tiff, TIFFTAG_XRESOLUTION, dotPerMeterX/100.0)
-                && TIFFSetField(tiff, TIFFTAG_YRESOLUTION, dotPerMeterY/100.0);
-        } else {
-            resolutionSet = TIFFSetField(tiff, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH)
-                && TIFFSetField(tiff, TIFFTAG_XRESOLUTION, static_cast<float>(image.logicalDpiX()))
-                && TIFFSetField(tiff, TIFFTAG_YRESOLUTION, static_cast<float>(image.logicalDpiY()));
+        // try to do the conversion in chunks no greater than 16 MB
+        int chunks = (width * height / (1024 * 1024 * 16)) + 1;
+        int chunkHeight = qMax(height / chunks, 1);
+
+        int y = 0;
+        while (y < height) {
+            QImage chunk = image.copy(0, y, width, qMin(chunkHeight, height - y)).convertToFormat(QImage::Format_Mono);
+
+            int chunkStart = y;
+            int chunkEnd = y + chunk.height();
+            while (y < chunkEnd) {
+                if (TIFFWriteScanline(tiff, reinterpret_cast<uint32 *>(chunk.scanLine(y - chunkStart)), y) != 1) {
+                    TIFFClose(tiff);
+                    return false;
+                }
+                ++y;
+            }
+        }
+        TIFFClose(tiff);
+    } else if (format == QImage::Format_Indexed8) {
+        if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE)
+            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_PACKBITS)
+            || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
+            TIFFClose(tiff);
+            return false;
+        }
+        //// write the color table
+        // allocate the color tables
+        uint16 *redTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+        uint16 *greenTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+        uint16 *blueTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+        if (!redTable || !greenTable || !blueTable) {
+            TIFFClose(tiff);
+            return false;
+        }
+
+        // set the color table
+        const QVector<QRgb> colorTable = image.colorTable();
+
+        const int tableSize = colorTable.size();
+        Q_ASSERT(tableSize <= 256);
+        for (int i = 0; i<tableSize; ++i) {
+            const QRgb color = colorTable.at(i);
+            redTable[i] = qRed(color) * 257;
+            greenTable[i] = qGreen(color) * 257;
+            blueTable[i] = qBlue(color) * 257;
+        }
+
+        const bool setColorTableSuccess = TIFFSetField(tiff, TIFFTAG_COLORMAP, redTable, greenTable, blueTable);
+
+        qFree(redTable);
+        qFree(greenTable);
+        qFree(blueTable);
+
+        if (!setColorTableSuccess) {
+            TIFFClose(tiff);
+            return false;
+        }
+
+        //// write the data
+        // try to do the conversion in chunks no greater than 16 MB
+        int chunks = (width * height/ (1024 * 1024 * 16)) + 1;
+        int chunkHeight = qMax(height / chunks, 1);
+
+        int y = 0;
+        while (y < height) {
+            QImage chunk = image.copy(0, y, width, qMin(chunkHeight, height - y));
+
+            int chunkStart = y;
+            int chunkEnd = y + chunk.height();
+            while (y < chunkEnd) {
+                if (TIFFWriteScanline(tiff, reinterpret_cast<uint32 *>(chunk.scanLine(y - chunkStart)), y) != 1) {
+                    TIFFClose(tiff);
+                    return false;
+                }
+                ++y;
+            }
         }
-        if (!resolutionSet) {
+        TIFFClose(tiff);
+
+    } else {
+        if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)
+            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_LZW)
+            || !TIFFSetField(tiff, TIFFTAG_SAMPLESPERPIXEL, 4)
+            || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
             TIFFClose(tiff);
             return false;
         }
@@ -260,9 +437,8 @@ bool QTiffHandler::write(const QImage &image)
             }
         }
         TIFFClose(tiff);
-    } else {
-        return false;
     }
+
     return true;
 }
author	Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com>	2009-06-10 12:06:56 (GMT)
committer	Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com>	2009-06-10 12:06:56 (GMT)
commit	ef0a51654783f942499cfa9fca60d18c2fa6a702 (patch)
tree	1fd8158f883562a3ef000b0a4d26df5b1f064dae /src
parent	53632d45ca64ad4c20d4302e0826c0234877dd69 (diff)
parent	62725a02652cee576efe055d1371765945045026 (diff)
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