Merge branch 'master' of git@scm.dev.nokia.troll.no:qt/qt

52 files changed, 627 insertions, 457 deletions

diff --git a/demos/embeddeddialogs/main.cpp b/demos/embeddeddialogs/main.cpp
index cfb31c4..c9b6ee1 100644
--- a/demos/embeddeddialogs/main.cpp
+++ b/demos/embeddeddialogs/main.cpp
@@ -76,7 +76,6 @@ int main(int argc, char *argv[])
     view.scale(0.5, 0.5);
     view.setRenderHints(view.renderHints() | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
     view.setBackgroundBrush(QPixmap(":/No-Ones-Laughing-3.jpg"));
-    view.setCacheMode(QGraphicsView::CacheBackground);
     view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
     view.show();
     view.setWindowTitle("Embedded Dialogs Demo");
diff --git a/doc/src/richtext.qdoc b/doc/src/richtext.qdoc
index fbd8adb..6ea82f8 100644
--- a/doc/src/richtext.qdoc
+++ b/doc/src/richtext.qdoc
@@ -1058,8 +1058,11 @@ Ideas for other sections:
             \o Specifies where an image or a text will be placed in another element. Note that the \c float property is
                only supported for tables and images.
     \row    \o \c text-transform
-            \o [ uppercase | lowercase | smallcaps ]
+            \o [ uppercase | lowercase ]
             \o Select the transformation that will be performed on the text prior to displaying it.
+    \row    \o \c font-variant
+            \o small-caps
+            \o Perform the smallcaps transformation on the text prior to displaying it.
     \row    \o \c word-spacing
             \o <width>px
             \o Specifies an alternate spacing between each word.
diff --git a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp b/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp
index d360de9..2368608 100644
--- a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp
+++ b/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp
@@ -42,13 +42,12 @@
 #include "random_ai_plugin.h"
 
 #include <QState>
+#include <QTime>
 #include <QtPlugin>
 
-#include <time.h>
-
 QState *RandomAiPlugin::create(QState *parentState, QObject *tank)
 {
-    qsrand(uint(time(NULL)));
+    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
 
     QState *topLevel = new QState(parentState);
 
diff --git a/examples/tutorials/addressbook-fr/part3/addressbook.cpp b/examples/tutorials/addressbook-fr/part3/addressbook.cpp
index 49c5206..332e808 100644
--- a/examples/tutorials/addressbook-fr/part3/addressbook.cpp
+++ b/examples/tutorials/addressbook-fr/part3/addressbook.cpp
@@ -125,8 +125,7 @@ void AddressBook::submitContact()
     
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
-            tr("Please enter a name and adderss."));
-        return;
+            tr("Please enter a name and address."));
     }
 
     if (!contacts.contains(name)) {
@@ -136,7 +135,6 @@ void AddressBook::submitContact()
     } else {
         QMessageBox::information(this, tr("Add Unsuccessful"),
             tr("Sorry, \"%1\" is already in your address book.").arg(name));
-        return;
     }
 
     if (contacts.isEmpty()) {
diff --git a/examples/tutorials/addressbook-fr/part4/addressbook.cpp b/examples/tutorials/addressbook-fr/part4/addressbook.cpp
index 95def9c..06f8a09 100644
--- a/examples/tutorials/addressbook-fr/part4/addressbook.cpp
+++ b/examples/tutorials/addressbook-fr/part4/addressbook.cpp
@@ -135,7 +135,6 @@ void AddressBook::submitContact()
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name and address."));
-        return;
     }
 //! [submitContact() function part1]
     if (currentMode == AddingMode) {
@@ -147,7 +146,6 @@ void AddressBook::submitContact()
         } else {
             QMessageBox::information(this, tr("Add Unsuccessful"),
                 tr("Sorry, \"%1\" is already in your address book.").arg(name));
-            return;
         }
 //! [submitContact() function part1]
 //! [submitContact() function part2]
@@ -162,7 +160,6 @@ void AddressBook::submitContact()
             } else {
                 QMessageBox::information(this, tr("Edit Unsuccessful"),
                     tr("Sorry, \"%1\" is already in your address book.").arg(name));
-                return;
             }
         } else if (oldAddress != address) {
             QMessageBox::information(this, tr("Edit Successful"),
diff --git a/examples/tutorials/addressbook-fr/part5/addressbook.cpp b/examples/tutorials/addressbook-fr/part5/addressbook.cpp
index 5afb6b8..af3c2d0 100644
--- a/examples/tutorials/addressbook-fr/part5/addressbook.cpp
+++ b/examples/tutorials/addressbook-fr/part5/addressbook.cpp
@@ -142,7 +142,6 @@ void AddressBook::submitContact()
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name and address."));
-        return;
     }
 
     if (currentMode == AddingMode) {
@@ -154,7 +153,6 @@ void AddressBook::submitContact()
         } else {
             QMessageBox::information(this, tr("Add Unsuccessful"),
                 tr("Sorry, \"%1\" is already in your address book.").arg(name));
-            return;
         }
     } else if (currentMode == EditingMode) {
         
@@ -167,7 +165,6 @@ void AddressBook::submitContact()
             } else {
                 QMessageBox::information(this, tr("Edit Unsuccessful"),
                     tr("Sorry, \"%1\" is already in your address book.").arg(name));
-                return;
             }
         } else if (oldAddress != address) {
             QMessageBox::information(this, tr("Edit Successful"),
diff --git a/examples/tutorials/addressbook-fr/part6/addressbook.cpp b/examples/tutorials/addressbook-fr/part6/addressbook.cpp
index b7cd446..5f31c99 100644
--- a/examples/tutorials/addressbook-fr/part6/addressbook.cpp
+++ b/examples/tutorials/addressbook-fr/part6/addressbook.cpp
@@ -148,7 +148,6 @@ void AddressBook::submitContact()
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name and address."));
-        return;
     }
 
     if (currentMode == AddingMode) {
@@ -160,7 +159,6 @@ void AddressBook::submitContact()
         } else {
             QMessageBox::information(this, tr("Add Unsuccessful"),
                 tr("Sorry, \"%1\" is already in your address book.").arg(name));
-            return;
         }
     } else if (currentMode == EditingMode) {
         
@@ -173,7 +171,6 @@ void AddressBook::submitContact()
             } else {
                 QMessageBox::information(this, tr("Edit Unsuccessful"),
                     tr("Sorry, \"%1\" is already in your address book.").arg(name));
-                return;
             }
         } else if (oldAddress != address) {
             QMessageBox::information(this, tr("Edit Successful"),
diff --git a/examples/tutorials/addressbook-fr/part7/addressbook.cpp b/examples/tutorials/addressbook-fr/part7/addressbook.cpp
index 2f81d2b..8be4d2b 100644
--- a/examples/tutorials/addressbook-fr/part7/addressbook.cpp
+++ b/examples/tutorials/addressbook-fr/part7/addressbook.cpp
@@ -150,7 +150,6 @@ void AddressBook::submitContact()
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name and address."));
-        return;
     }
 
     if (currentMode == AddingMode) {
@@ -162,7 +161,6 @@ void AddressBook::submitContact()
         } else {
             QMessageBox::information(this, tr("Add Unsuccessful"),
                 tr("Sorry, \"%1\" is already in your address book.").arg(name));
-            return;
         }
     } else if (currentMode == EditingMode) {
         
@@ -175,7 +173,6 @@ void AddressBook::submitContact()
             } else {
                 QMessageBox::information(this, tr("Edit Unsuccessful"),
                     tr("Sorry, \"%1\" is already in your address book.").arg(name));
-                return;
             }
         } else if (oldAddress != address) {
             QMessageBox::information(this, tr("Edit Successful"),
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/io/qnoncontiguousbytedevice_p.h b/src/corelib/io/qnoncontiguousbytedevice_p.h
index acfc6eb..562b759 100644
--- a/src/corelib/io/qnoncontiguousbytedevice_p.h
+++ b/src/corelib/io/qnoncontiguousbytedevice_p.h
@@ -96,7 +96,6 @@ public:
 
 class QNonContiguousByteDeviceByteArrayImpl : public QNonContiguousByteDevice
 {
-    Q_OBJECT
 public:
     QNonContiguousByteDeviceByteArrayImpl(QByteArray *ba);
     ~QNonContiguousByteDeviceByteArrayImpl();
@@ -112,7 +111,6 @@ protected:
 
 class QNonContiguousByteDeviceRingBufferImpl : public QNonContiguousByteDevice
 {
-    Q_OBJECT
 public:
     QNonContiguousByteDeviceRingBufferImpl(QRingBuffer *rb);
     ~QNonContiguousByteDeviceRingBufferImpl();
@@ -129,7 +127,6 @@ protected:
 
 class QNonContiguousByteDeviceIoDeviceImpl : public QNonContiguousByteDevice
 {
-    Q_OBJECT
 public:
     QNonContiguousByteDeviceIoDeviceImpl(QIODevice *d);
     ~QNonContiguousByteDeviceIoDeviceImpl();
@@ -151,7 +148,6 @@ protected:
 
 class QNonContiguousByteDeviceBufferImpl : public QNonContiguousByteDevice
 {
-    Q_OBJECT
 public:
     QNonContiguousByteDeviceBufferImpl(QBuffer *b);
     ~QNonContiguousByteDeviceBufferImpl();
@@ -169,7 +165,6 @@ protected:
 // ... and the reverse thing
 class QByteDeviceWrappingIoDevice : public QIODevice
 {
-    Q_OBJECT
 public:
     QByteDeviceWrappingIoDevice (QNonContiguousByteDevice *bd);
     ~QByteDeviceWrappingIoDevice ();
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 1501351..5e33a71 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -2228,11 +2228,11 @@ static void err_method_notfound(const QObject *object,
     if (strchr(method,')') == 0)                // common typing mistake
         qWarning("Object::%s: Parentheses expected, %s %s::%s%s%s",
                  func, type, object->metaObject()->className(), method+1,
-                 loc ? " in ":"\0", loc ? loc : "\0");
+                 loc ? " in ": "", loc ? loc : "");
     else
         qWarning("Object::%s: No such %s %s::%s%s%s",
                  func, type, object->metaObject()->className(), method+1,
-                 loc ? " in ":"\0", loc ? loc : "\0");
+                 loc ? " in ": "", loc ? loc : "");
 
 }
 
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/plugin/qplugin.h b/src/corelib/plugin/qplugin.h
index 121a875..e3b9d32 100644
--- a/src/corelib/plugin/qplugin.h
+++ b/src/corelib/plugin/qplugin.h
@@ -131,7 +131,7 @@ struct qt_plugin_instance_deleter
       "pattern=""QT_PLUGIN_VERIFICATION_DATA""\n" \
       "version="QT_VERSION_STR"\n" \
       "debug="QPLUGIN_DEBUG_STR"\n" \
-      "buildkey="QT_BUILD_KEY"\0";
+      "buildkey="QT_BUILD_KEY;
 
 #  if defined (Q_OS_WIN32) && defined(Q_CC_BOR)
 #     define Q_STANDARD_CALL __stdcall
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index 2fb6335..8fba574 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -113,12 +113,6 @@ QThreadData::~QThreadData()
     // fprintf(stderr, "QThreadData %p destroyed\n", this);
 }
 
-QThreadData *QThreadData::get2(QThread *thread)
-{
-    Q_ASSERT_X(thread != 0, "QThread", "internal error");
-    return thread->d_func()->data;
-}
-
 void QThreadData::ref()
 {
 #ifndef QT_NO_THREAD
diff --git a/src/corelib/thread/qthread_p.h b/src/corelib/thread/qthread_p.h
index 75293ce..eb290db 100644
--- a/src/corelib/thread/qthread_p.h
+++ b/src/corelib/thread/qthread_p.h
@@ -107,32 +107,6 @@ public:
     { }
 };
 
-class Q_CORE_EXPORT QThreadData
-{
-    QAtomicInt _ref;
-
-public:
-    QThreadData(int initialRefCount = 1);
-    ~QThreadData();
-
-    static QThreadData *current();
-    static QThreadData *get2(QThread *thread);
-
-    void ref();
-    void deref();
-
-    QThread *thread;
-    bool quitNow;
-    int loopLevel;
-    QAbstractEventDispatcher *eventDispatcher;
-    QStack<QEventLoop *> eventLoops;
-    QPostEventList postEventList;
-    bool canWait;
-    QMap<int, void *> tls;
-
-    QMutex mutex;
-};
-
 #ifndef QT_NO_THREAD
 class QThreadPrivate : public QObjectPrivate
 {
@@ -210,6 +184,34 @@ public:
 
 #endif // QT_NO_THREAD
 
+class QThreadData
+{
+    QAtomicInt _ref;
+
+public:
+    QThreadData(int initialRefCount = 1);
+    ~QThreadData();
+
+    static QThreadData *current();
+    static QThreadData *get2(QThread *thread)
+    { Q_ASSERT_X(thread != 0, "QThread", "internal error"); return thread->d_func()->data; }
+
+
+    void ref();
+    void deref();
+
+    QThread *thread;
+    bool quitNow;
+    int loopLevel;
+    QAbstractEventDispatcher *eventDispatcher;
+    QStack<QEventLoop *> eventLoops;
+    QPostEventList postEventList;
+    bool canWait;
+    QMap<int, void *> tls;
+
+    QMutex mutex;
+};
+
 QT_END_NAMESPACE
 
 #endif // QTHREAD_P_H
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/qlocale_p.h b/src/corelib/tools/qlocale_p.h
index b07b948..ed7fc10 100644
--- a/src/corelib/tools/qlocale_p.h
+++ b/src/corelib/tools/qlocale_p.h
@@ -140,29 +140,29 @@ public:
     QString dateTimeToString(const QString &format, const QDate *date, const QTime *time,
                              const QLocale *q) const;
 
-    quint32 m_language_id, m_country_id;
+    quint16 m_language_id, m_country_id;
 
     quint16 m_decimal, m_group, m_list, m_percent,
         m_zero, m_minus, m_plus, m_exponential;
 
-    quint32 m_short_date_format_idx, m_short_date_format_size;
-    quint32 m_long_date_format_idx, m_long_date_format_size;
-    quint32 m_short_time_format_idx, m_short_time_format_size;
-    quint32 m_long_time_format_idx, m_long_time_format_size;
-    quint32 m_standalone_short_month_names_idx, m_standalone_short_month_names_size;
-    quint32 m_standalone_long_month_names_idx, m_standalone_long_month_names_size;
-    quint32 m_standalone_narrow_month_names_idx, m_standalone_narrow_month_names_size;
-    quint32 m_short_month_names_idx, m_short_month_names_size;
-    quint32 m_long_month_names_idx, m_long_month_names_size;
-    quint32 m_narrow_month_names_idx, m_narrow_month_names_size;
-    quint32 m_standalone_short_day_names_idx, m_standalone_short_day_names_size;
-    quint32 m_standalone_long_day_names_idx, m_standalone_long_day_names_size;
-    quint32 m_standalone_narrow_day_names_idx, m_standalone_narrow_day_names_size;
-    quint32 m_short_day_names_idx, m_short_day_names_size;
-    quint32 m_long_day_names_idx, m_long_day_names_size;
-    quint32 m_narrow_day_names_idx, m_narrow_day_names_size;
-    quint32 m_am_idx, m_am_size;
-    quint32 m_pm_idx, m_pm_size;
+    quint16 m_short_date_format_idx, m_short_date_format_size;
+    quint16 m_long_date_format_idx, m_long_date_format_size;
+    quint16 m_short_time_format_idx, m_short_time_format_size;
+    quint16 m_long_time_format_idx, m_long_time_format_size;
+    quint16 m_standalone_short_month_names_idx, m_standalone_short_month_names_size;
+    quint16 m_standalone_long_month_names_idx, m_standalone_long_month_names_size;
+    quint16 m_standalone_narrow_month_names_idx, m_standalone_narrow_month_names_size;
+    quint16 m_short_month_names_idx, m_short_month_names_size;
+    quint16 m_long_month_names_idx, m_long_month_names_size;
+    quint16 m_narrow_month_names_idx, m_narrow_month_names_size;
+    quint16 m_standalone_short_day_names_idx, m_standalone_short_day_names_size;
+    quint16 m_standalone_long_day_names_idx, m_standalone_long_day_names_size;
+    quint16 m_standalone_narrow_day_names_idx, m_standalone_narrow_day_names_size;
+    quint16 m_short_day_names_idx, m_short_day_names_size;
+    quint16 m_long_day_names_idx, m_long_day_names_size;
+    quint16 m_narrow_day_names_idx, m_narrow_day_names_size;
+    quint16 m_am_idx, m_am_size;
+    quint16 m_pm_idx, m_pm_size;
 };
 
 inline char QLocalePrivate::digitToCLocale(const QChar &in) const
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/corelib/xml/qxmlstream_p.h b/src/corelib/xml/qxmlstream_p.h
index cf1d228..26509ff 100644
--- a/src/corelib/xml/qxmlstream_p.h
+++ b/src/corelib/xml/qxmlstream_p.h
@@ -127,27 +127,22 @@ public:
     GOTO_CHECK_OFFSET = 1017
   };
 
-  static const char  *const spell [];
-  static const int            lhs [];
-  static const int            rhs [];
-  static const int   goto_default [];
-  static const int action_default [];
-  static const int   action_index [];
-  static const int    action_info [];
-  static const int   action_check [];
+  static const char  *const    spell [];
+  static const qint16            lhs [];
+  static const qint16            rhs [];
+  static const qint16   goto_default [];
+  static const qint16 action_default [];
+  static const qint16   action_index [];
+  static const qint16    action_info [];
+  static const qint16   action_check [];
 
   static inline int nt_action (int state, int nt)
   {
-    const int *const goto_index = &action_index [GOTO_INDEX_OFFSET];
-    const int *const goto_check = &action_check [GOTO_CHECK_OFFSET];
-
-    const int yyn = goto_index [state] + nt;
-
-    if (yyn < 0 || goto_check [yyn] != nt)
+    const int yyn = action_index [GOTO_INDEX_OFFSET + state] + nt;
+    if (yyn < 0 || action_check [GOTO_CHECK_OFFSET + yyn] != nt)
       return goto_default [nt];
 
-    const int *const goto_info = &action_info [GOTO_INFO_OFFSET];
-    return goto_info [yyn];
+    return action_info [GOTO_INFO_OFFSET + yyn];
   }
 
   static inline int t_action (int state, int token)
@@ -170,7 +165,7 @@ const char *const QXmlStreamReader_Table::spell [] = {
   "EMPTY", "ANY", "PCDATA", 0, 0, 0, 0, "CDATA", "ID", "IDREF", 
   "IDREFS", "ENTITIES", "NMTOKEN", "NMTOKENS", "<?xml", "version", 0};
 
-const int QXmlStreamReader_Table::lhs [] = {
+const qint16 QXmlStreamReader_Table::lhs [] = {
   57, 57, 59, 59, 59, 59, 59, 59, 59, 59, 
   67, 68, 64, 72, 72, 72, 75, 66, 66, 66, 
   66, 79, 78, 80, 80, 80, 80, 80, 80, 81, 
@@ -199,7 +194,7 @@ const int QXmlStreamReader_Table::lhs [] = {
   58, 58, 58, 58, 58, 58, 58, 58, 74, 69, 
   69, 77, 111, 102, 102, 102, 102, 102, 140};
 
-const int QXmlStreamReader_Table:: rhs[] = {
+const qint16 QXmlStreamReader_Table:: rhs[] = {
   2, 1, 4, 2, 2, 2, 2, 2, 2, 0, 
   1, 1, 9, 2, 4, 0, 4, 4, 6, 6, 
   4, 1, 3, 1, 1, 1, 2, 2, 2, 1, 
@@ -228,7 +223,7 @@ const int QXmlStreamReader_Table:: rhs[] = {
   2, 2, 2, 2, 2, 2, 2, 0, 1, 0, 
   1, 1, 1, 1, 1, 1, 1, 1, 2};
 
-const int QXmlStreamReader_Table::action_default [] = {
+const qint16 QXmlStreamReader_Table::action_default [] = {
   10, 258, 0, 2, 1, 0, 124, 116, 118, 119, 
   126, 128, 122, 11, 113, 107, 0, 108, 127, 110, 
   114, 112, 120, 123, 125, 106, 109, 111, 117, 115, 
@@ -273,7 +268,7 @@ const int QXmlStreamReader_Table::action_default [] = {
   260, 0, 230, 0, 0, 13, 269, 9, 5, 8, 
   4, 0, 7, 258, 6, 0, 3};
 
-const int QXmlStreamReader_Table::goto_default [] = {
+const qint16 QXmlStreamReader_Table::goto_default [] = {
   2, 4, 3, 49, 388, 43, 37, 52, 47, 41, 
   249, 53, 127, 84, 393, 81, 85, 126, 42, 46, 
   169, 130, 131, 146, 145, 149, 138, 136, 140, 147, 
@@ -284,7 +279,7 @@ const int QXmlStreamReader_Table::goto_default [] = {
   264, 252, 251, 250, 339, 326, 325, 329, 398, 399, 
   50, 51, 59, 0};
 
-const int QXmlStreamReader_Table::action_index [] = {
+const qint16 QXmlStreamReader_Table::action_index [] = {
   -21, -57, 33, 119, 960, 70, -57, -57, -57, -57, 
   -57, -57, -57, -57, -57, -57, 105, -57, -57, -57, 
   -57, -57, -57, -57, -57, -57, -57, -57, -57, -57, 
@@ -373,7 +368,7 @@ const int QXmlStreamReader_Table::action_index [] = {
   28, 15, 82, -84, -84, -84, -84, -84, -84, -84, 
   -84, -84, -84, 3, -84, 98, -84};
 
-const int QXmlStreamReader_Table::action_info [] = {
+const qint16 QXmlStreamReader_Table::action_info [] = {
   65, 332, 65, 405, 392, 385, 377, 65, 414, 410, 
   415, 55, 397, 374, 373, 217, 206, 408, 65, 65, 
   207, 211, 216, 1, 55, 199, 182, 192, 70, 70, 
@@ -507,7 +502,7 @@ const int QXmlStreamReader_Table::action_info [] = {
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0, 0, 0, 0, 0, 0, 0};
 
-const int QXmlStreamReader_Table::action_check [] = {
+const qint16 QXmlStreamReader_Table::action_check [] = {
   26, 18, 26, 14, 4, 4, 4, 26, 24, 14, 
   4, 26, 4, 4, 4, 4, 22, 55, 26, 26, 
   42, 4, 4, 44, 26, 22, 19, 12, 2, 2, 
diff --git a/src/gui/embedded/qscreenproxy_qws.cpp b/src/gui/embedded/qscreenproxy_qws.cpp
index 5b8f6f0..7652bd9 100644
--- a/src/gui/embedded/qscreenproxy_qws.cpp
+++ b/src/gui/embedded/qscreenproxy_qws.cpp
@@ -279,6 +279,7 @@ void QProxyScreen::exposeRegion(QRegion r, int changing)
     }
 
     realScreen->exposeRegion(r, changing);
+    r &= realScreen->region();
 
     const QVector<QRect> rects = r.rects();
     for (int i = 0; i < rects.size(); ++i)
diff --git a/src/gui/itemviews/qtablewidget.cpp b/src/gui/itemviews/qtablewidget.cpp
index e88301e..8cb2e55 100644
--- a/src/gui/itemviews/qtablewidget.cpp
+++ b/src/gui/itemviews/qtablewidget.cpp
@@ -1662,10 +1662,9 @@ void QTableWidgetPrivate::_q_emitCurrentItemChanged(const QModelIndex &current,
 
 void QTableWidgetPrivate::_q_sort()
 {
-    Q_Q(QTableWidget);
     if (sortingEnabled) {
-        int column = q->horizontalHeader()->sortIndicatorSection();
-        Qt::SortOrder order = q->horizontalHeader()->sortIndicatorOrder();
+        int column = horizontalHeader->sortIndicatorSection();
+        Qt::SortOrder order = horizontalHeader->sortIndicatorOrder();
         model()->sort(column, order);
     }
 }
@@ -1673,11 +1672,10 @@ void QTableWidgetPrivate::_q_sort()
 void QTableWidgetPrivate::_q_dataChanged(const QModelIndex &topLeft,
                                          const QModelIndex &bottomRight)
 {
-    Q_Q(QTableWidget);
     if (sortingEnabled && topLeft.isValid() && bottomRight.isValid()) {
-        int column = q->horizontalHeader()->sortIndicatorSection();
+        int column = horizontalHeader->sortIndicatorSection();
         if (column >= topLeft.column() && column <= bottomRight.column()) {
-            Qt::SortOrder order = q->horizontalHeader()->sortIndicatorOrder();
+            Qt::SortOrder order = horizontalHeader->sortIndicatorOrder();
             model()->ensureSorted(column, order, topLeft.row(), bottomRight.row());
         }
     }
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/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/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 0449cba..9f8efb4 100644
--- a/src/gui/util/qdesktopservices_win.cpp
+++ b/src/gui/util/qdesktopservices_win.cpp
@@ -98,32 +98,35 @@ static bool launchWebBrowser(const QUrl &url)
 {
     if (url.scheme() == QLatin1String("mailto")) {
         //Retrieve the commandline for the default mail client
-        //the key used below is the command line for the mailto: shell command
+        //the default key used below is the command line for the mailto: shell command
         DWORD  bufferSize = 2 * MAX_PATH;
         long  returnValue =  -1;
         QString command;
 
         HKEY handle;
         LONG res;
-        QT_WA ({
-            res = RegOpenKeyExW(HKEY_CLASSES_ROOT, L"mailto\\Shell\\Open\\Command", 0, KEY_READ, &handle);
-            if (res != ERROR_SUCCESS)
-                return false;
-
-            wchar_t keyValue[2 * MAX_PATH] = {0};
-            returnValue = RegQueryValueExW(handle, L"", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
-            if (!returnValue)
-                command = QString::fromRawData((QChar*)keyValue, bufferSize);
-        }, {
-            res = RegOpenKeyExA(HKEY_CLASSES_ROOT, "mailto\\Shell\\Open\\Command", 0, KEY_READ, &handle);
-            if (res != ERROR_SUCCESS)
-                return false;
-
-            char keyValue[2 * MAX_PATH] = {0};
-            returnValue = RegQueryValueExA(handle, "", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
+        wchar_t keyValue[2 * MAX_PATH] = {0};
+        QString keyName(QLatin1String("mailto"));
+
+        //Check if user has set preference, otherwise use default.
+        res = RegOpenKeyExW(HKEY_CURRENT_USER,
+                            L"Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\mailto\\UserChoice",
+                            0, KEY_READ, &handle);
+        if (res == ERROR_SUCCESS) {
+            returnValue = RegQueryValueEx(handle, L"Progid", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
             if (!returnValue)
-                command = QString::fromLocal8Bit(keyValue);
-        });
+                keyName = QString::fromUtf16((const ushort*)keyValue);
+            RegCloseKey(handle);
+        }
+        keyName += QLatin1String("\\Shell\\Open\\Command");
+        res = RegOpenKeyExW(HKEY_CLASSES_ROOT, (const wchar_t*)keyName.utf16(), 0, KEY_READ, &handle);
+        if (res != ERROR_SUCCESS)
+            return false;
+
+        bufferSize = 2 * MAX_PATH;
+        returnValue = RegQueryValueExW(handle, L"", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
+        if (!returnValue)
+            command = QString::fromRawData((QChar*)keyValue, bufferSize);
         RegCloseKey(handle);
 
         if(returnValue)
@@ -145,19 +148,11 @@ static bool launchWebBrowser(const QUrl &url)
         //start the process
         PROCESS_INFORMATION pi;
         ZeroMemory(&pi, sizeof(pi));
-        QT_WA ({
-            STARTUPINFO si;
-            ZeroMemory(&si, sizeof(si));
-            si.cb = sizeof(si);
-
-            returnValue = CreateProcess(NULL, (TCHAR*)command.utf16(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
-        }, {
-            STARTUPINFOA si;
-            ZeroMemory(&si, sizeof(si));
-            si.cb = sizeof(si);
+        STARTUPINFO si;
+        ZeroMemory(&si, sizeof(si));
+        si.cb = sizeof(si);
 
-            returnValue = CreateProcessA(NULL, command.toLocal8Bit().data(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
-        });
+        returnValue = CreateProcess(NULL, (TCHAR*)command.utf16(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 
         if (!returnValue)
             return false;
@@ -171,11 +166,8 @@ static bool launchWebBrowser(const QUrl &url)
         return false;
 
     quintptr returnValue;
-     QT_WA ({
-         returnValue = (quintptr)ShellExecute(0, 0, (TCHAR *) QString::fromUtf8(url.toEncoded().constData()).utf16(), 0, 0, SW_SHOWNORMAL);
-            } , {
-                returnValue = (quintptr)ShellExecuteA(0, 0, url.toEncoded().constData(), 0, 0, SW_SHOWNORMAL);
-            });
+    returnValue = (quintptr)ShellExecute(0, 0, (TCHAR *) QString::fromUtf8(url.toEncoded().constData()).utf16(),
+                                         0, 0, SW_SHOWNORMAL);
     return (returnValue > 32);
 }
 
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/qegl.cpp b/src/opengl/qegl.cpp
index f1ae4ed..290f77c 100644
--- a/src/opengl/qegl.cpp
+++ b/src/opengl/qegl.cpp
@@ -413,12 +413,18 @@ int QEglProperties::value(int name) const
     case EGL_RED_SIZE: return 0;
     case EGL_GREEN_SIZE: return 0;
     case EGL_BLUE_SIZE: return 0;
-    case EGL_LUMINANCE_SIZE: return 0;
     case EGL_ALPHA_SIZE: return 0;
+#if defined(EGL_LUMINANCE_SIZE)
+    case EGL_LUMINANCE_SIZE: return 0;
+#endif
+#if defined(EGL_ALPHA_MASK_SIZE)
     case EGL_ALPHA_MASK_SIZE: return 0;
+#endif
     case EGL_BIND_TO_TEXTURE_RGB: return EGL_DONT_CARE;
     case EGL_BIND_TO_TEXTURE_RGBA: return EGL_DONT_CARE;
+#if defined(EGL_COLOR_BUFFER_TYPE)
     case EGL_COLOR_BUFFER_TYPE: return EGL_RGB_BUFFER;
+#endif
     case EGL_CONFIG_CAVEAT: return EGL_DONT_CARE;
     case EGL_CONFIG_ID: return EGL_DONT_CARE;
     case EGL_DEPTH_SIZE: return 0;
@@ -427,7 +433,9 @@ int QEglProperties::value(int name) const
     case EGL_NATIVE_VISUAL_TYPE: return EGL_DONT_CARE;
     case EGL_MAX_SWAP_INTERVAL: return EGL_DONT_CARE;
     case EGL_MIN_SWAP_INTERVAL: return EGL_DONT_CARE;
+#if defined(EGL_RENDERABLE_TYPE)
     case EGL_RENDERABLE_TYPE: return EGL_OPENGL_ES_BIT;
+#endif
     case EGL_SAMPLE_BUFFERS: return 0;
     case EGL_SAMPLES: return 0;
     case EGL_STENCIL_SIZE: return 0;
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 2e72851..146d088 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -65,12 +65,19 @@
 #include "qimage.h"
 #include "qgl_p.h"
 
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
 #include "gl2paintengineex/qpaintengineex_opengl2_p.h"
+#endif
 
 #ifndef QT_OPENGL_ES_2
 #include <private/qpaintengine_opengl_p.h>
 #endif
 
+#ifdef Q_WS_QWS
+#include <private/qglpaintdevice_qws_p.h>
+#include <private/qglwindowsurface_qws_p.h>
+#endif
+
 #include <qglpixelbuffer.h>
 #include <qglframebufferobject.h>
 
@@ -4428,7 +4435,11 @@ void QGLDrawable::swapBuffers()
 void QGLDrawable::makeCurrent()
 {
     previous_fbo = 0;
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
     if (!pixmapData && !fbo) {
+#else
+    if (!fbo) {
+#endif
         QGLContext *ctx = context();
         previous_fbo = ctx->d_ptr->current_fbo;
         ctx->d_ptr->current_fbo = 0;
@@ -4561,8 +4572,10 @@ QColor QGLDrawable::backgroundColor() const
 {
     if (widget)
         return widget->palette().brush(widget->backgroundRole()).color();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
     else if (pixmapData)
         return pixmapData->fillColor();
+#endif
     return QApplication::palette().brush(QPalette::Background).color();
 }
 
@@ -4590,8 +4603,10 @@ bool QGLDrawable::autoFillBackground() const
 {
     if (widget)
         return widget->autoFillBackground();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
     else if (pixmapData)
         return pixmapData->needsFill();
+#endif
     else
         return false;
 }
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index b3523d4..4af8598 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -428,8 +428,7 @@ private:
 extern Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg();
 
 #ifdef Q_WS_QWS
-class QOpenGLPaintEngine;
-extern QOpenGLPaintEngine* qt_qgl_paint_engine();
+extern QPaintEngine* qt_qgl_paint_engine();
 
 extern EGLDisplay qt_qgl_egl_display();
 #endif
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/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index 3e7ca0a..fb16107 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -43,7 +43,9 @@
 
 #include <qdebug.h>
 #include <private/qgl_p.h>
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
 #include <private/qpaintengineex_opengl2_p.h>
+#endif
 
 #ifndef QT_OPENGL_ES_2
 #include <private/qpaintengine_opengl_p.h>
diff --git a/src/opengl/qglpixelbuffer.cpp b/src/opengl/qglpixelbuffer.cpp
index 483856a..9b7a506 100644
--- a/src/opengl/qglpixelbuffer.cpp
+++ b/src/opengl/qglpixelbuffer.cpp
@@ -76,7 +76,11 @@
     \sa {opengl/pbuffers}{Pbuffers Example}
 */
 
+#include <QtCore/qglobal.h>
+
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
 #include <private/qpaintengineex_opengl2_p.h>
+#endif
 
 #include <qglpixelbuffer.h>
 #include <private/qglpixelbuffer_p.h>
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/tests/auto/bic/bic.pro b/tests/auto/bic/bic.pro
index a168d77..82711c9 100644
--- a/tests/auto/bic/bic.pro
+++ b/tests/auto/bic/bic.pro
@@ -2,3 +2,9 @@ load(qttest_p4)
 SOURCES += tst_bic.cpp qbic.cpp
 QT = core
 
+wince*:{
+    DEFINES += SRCDIR=\\\"\\\"
+} else {
+    DEFINES += SRCDIR=\\\"$$PWD/\\\"
+}
+
diff --git a/tests/auto/bic/tst_bic.cpp b/tests/auto/bic/tst_bic.cpp
index 181c275..8bc8d4f 100644
--- a/tests/auto/bic/tst_bic.cpp
+++ b/tests/auto/bic/tst_bic.cpp
@@ -165,30 +165,30 @@ void tst_Bic::sizesAndVTables_data()
 
 #if defined Q_OS_LINUX && defined Q_WS_X11
 # if defined(__powerpc__) && !defined(__powerpc64__)
-    archFileName400 = "data/%1.4.0.0.linux-gcc-ppc32.txt";
-    archFileName410 = "data/%1.4.1.0.linux-gcc-ppc32.txt";
-    archFileName420 = "data/%1.4.2.0.linux-gcc-ppc32.txt";
+    archFileName400 = SRCDIR "data/%1.4.0.0.linux-gcc-ppc32.txt";
+    archFileName410 = SRCDIR "data/%1.4.1.0.linux-gcc-ppc32.txt";
+    archFileName420 = SRCDIR "data/%1.4.2.0.linux-gcc-ppc32.txt";
 # elif defined(__amd64__)
-    archFileName400 = "data/%1.4.0.0.linux-gcc-amd64.txt";
+    archFileName400 = SRCDIR "data/%1.4.0.0.linux-gcc-amd64.txt";
 # elif defined(__i386__)
-    archFileName400 = "data/%1.4.0.0.linux-gcc-ia32.txt";
-    archFileName410 = "data/%1.4.1.0.linux-gcc-ia32.txt";
-    archFileName420 = "data/%1.4.2.0.linux-gcc-ia32.txt";
-    archFileName430 = "data/%1.4.3.0.linux-gcc-ia32.txt";
+    archFileName400 = SRCDIR "data/%1.4.0.0.linux-gcc-ia32.txt";
+    archFileName410 = SRCDIR "data/%1.4.1.0.linux-gcc-ia32.txt";
+    archFileName420 = SRCDIR "data/%1.4.2.0.linux-gcc-ia32.txt";
+    archFileName430 = SRCDIR "data/%1.4.3.0.linux-gcc-ia32.txt";
 # endif
 #elif defined Q_OS_AIX
     if (sizeof(void*) == 4)
-        archFileName400 = "data/%1.4.0.0.aix-gcc-power32.txt";
+        archFileName400 = SRCDIR "data/%1.4.0.0.aix-gcc-power32.txt";
 #elif defined Q_OS_MAC && defined(__powerpc__)
-    archFileName400 = "data/%1.4.0.0.macx-gcc-ppc32.txt";
-    archFileName410 = "data/%1.4.1.0.macx-gcc-ppc32.txt";
-    archFileName420 = "data/%1.4.2.0.macx-gcc-ppc32.txt";
+    archFileName400 = SRCDIR "data/%1.4.0.0.macx-gcc-ppc32.txt";
+    archFileName410 = SRCDIR "data/%1.4.1.0.macx-gcc-ppc32.txt";
+    archFileName420 = SRCDIR "data/%1.4.2.0.macx-gcc-ppc32.txt";
 #elif defined Q_OS_MAC && defined(__i386__)
-    archFileName410 = "data/%1.4.1.0.macx-gcc-ia32.txt";
-    archFileName420 = "data/%1.4.2.0.macx-gcc-ia32.txt";
+    archFileName410 = SRCDIR "data/%1.4.1.0.macx-gcc-ia32.txt";
+    archFileName420 = SRCDIR "data/%1.4.2.0.macx-gcc-ia32.txt";
 #elif defined Q_OS_WIN && defined Q_CC_GNU
-    archFileName410 = "data/%1.4.1.0.win32-gcc-ia32.txt";
-    archFileName420 = "data/%1.4.2.0.win32-gcc-ia32.txt";
+    archFileName410 = SRCDIR "data/%1.4.1.0.win32-gcc-ia32.txt";
+    archFileName420 = SRCDIR "data/%1.4.2.0.win32-gcc-ia32.txt";
 #endif
 
     if (archFileName400.isEmpty() && archFileName410.isEmpty()
@@ -293,6 +293,7 @@ void tst_Bic::sizesAndVTables()
 
     bool isFailed = false;
 
+    qDebug() << oldLib.arg(libName);
     if (oldLib.isEmpty() || !QFile::exists(oldLib.arg(libName)))
         QSKIP("No platform spec found for this platform/version.", SkipSingle);
 
diff --git a/tests/auto/qcssparser/tst_cssparser.cpp b/tests/auto/qcssparser/tst_cssparser.cpp
index b41a745..27258b7 100644
--- a/tests/auto/qcssparser/tst_cssparser.cpp
+++ b/tests/auto/qcssparser/tst_cssparser.cpp
@@ -114,11 +114,52 @@ void tst_CssParser::scanner_data()
     }
 }
 
+
+static char *tokenName(QCss::TokenType t)
+{
+    switch (t) {
+        case QCss::NONE: return "NONE";
+        case QCss::S: return "S";
+        case QCss::CDO: return "CDO";
+        case QCss::CDC: return "CDC";
+        case QCss::INCLUDES: return "INCLUDES";
+        case QCss::DASHMATCH: return "DASHMATCH";
+        case QCss::LBRACE: return "LBRACE";
+        case QCss::PLUS: return "PLUS";
+        case QCss::GREATER: return "GREATER";
+        case QCss::COMMA: return "COMMA";
+        case QCss::STRING: return "STRING";
+        case QCss::INVALID: return "INVALID";
+        case QCss::IDENT: return "IDENT";
+        case QCss::HASH: return "HASH";
+        case QCss::ATKEYWORD_SYM: return "ATKEYWORD_SYM";
+        case QCss::EXCLAMATION_SYM: return "EXCLAMATION_SYM";
+        case QCss::LENGTH: return "LENGTH";
+        case QCss::PERCENTAGE: return "PERCENTAGE";
+        case QCss::NUMBER: return "NUMBER";
+        case QCss::FUNCTION: return "FUNCTION";
+        case QCss::COLON: return "COLON";
+        case QCss::SEMICOLON: return "SEMICOLON";
+        case QCss::RBRACE: return "RBRACE";
+        case QCss::SLASH: return "SLASH";
+        case QCss::MINUS: return "MINUS";
+        case QCss::DOT: return "DOT";
+        case QCss::STAR: return "STAR";
+        case QCss::LBRACKET: return "LBRACKET";
+        case QCss::RBRACKET: return "RBRACKET";
+        case QCss::EQUAL: return "EQUAL";
+        case QCss::LPAREN: return "LPAREN";
+        case QCss::RPAREN: return "RPAREN";
+        case QCss::OR: return "OR";
+    }
+    return "";
+}
+
 static void debug(const QVector<QCss::Symbol> &symbols, int index = -1)
 {
     qDebug() << "all symbols:";
     for (int i = 0; i < symbols.count(); ++i)
-        qDebug() << "(" << i << "); Token:" << QCss::Scanner::tokenName(symbols.at(i).token) << "; Lexem:" << symbols.at(i).lexem();
+        qDebug() << "(" << i << "); Token:" << tokenName(symbols.at(i).token) << "; Lexem:" << symbols.at(i).lexem();
     if (index != -1)
         qDebug() << "failure at index" << index;
 }
@@ -160,7 +201,7 @@ void tst_CssParser::scanner()
         QCOMPARE(l.count(), 2);
         const QString expectedToken = l.at(0);
         const QString expectedLexem = l.at(1);
-        QString actualToken = QString::fromLatin1(QCss::Scanner::tokenName(symbols.at(i).token));
+        QString actualToken = QString::fromLatin1(tokenName(symbols.at(i).token));
         if (actualToken != expectedToken) {
             debug(symbols, i);
             QCOMPARE(actualToken, expectedToken);
diff --git a/tests/auto/qimagereader/qimagereader.qrc b/tests/auto/qimagereader/qimagereader.qrc
index 3c674ad..c6b963b 100644
--- a/tests/auto/qimagereader/qimagereader.qrc
+++ b/tests/auto/qimagereader/qimagereader.qrc
@@ -30,7 +30,7 @@
         <file>images/image.pgm</file>
         <file>images/image.png</file>
         <file>images/image.ppm</file>
-        <file>images/image.tif</file>
+        <file>images/image_100dpi.tif</file>
         <file>images/kollada.png</file>
         <file>images/marble.xpm</file>
         <file>images/namedcolors.xpm</file>
diff --git a/tests/auto/qimagereader/tst_qimagereader.cpp b/tests/auto/qimagereader/tst_qimagereader.cpp
index f5313eb..0b32f0a 100644
--- a/tests/auto/qimagereader/tst_qimagereader.cpp
+++ b/tests/auto/qimagereader/tst_qimagereader.cpp
@@ -156,6 +156,9 @@ private slots:
 
     void pixelCompareWithBaseline_data();
     void pixelCompareWithBaseline();
+
+    void task255627_setNullScaledSize_data();
+    void task255627_setNullScaledSize();
 };
 
 static const QLatin1String prefix(SRCDIR "/images/");
@@ -333,6 +336,29 @@ void tst_QImageReader::setScaledSize()
     QCOMPARE(image.size(), newSize);
 }
 
+void tst_QImageReader::task255627_setNullScaledSize_data()
+{
+    setScaledSize_data();
+}
+
+void tst_QImageReader::task255627_setNullScaledSize()
+{
+    QFETCH(QString, fileName);
+    QFETCH(QByteArray, format);
+
+    if (!format.isEmpty() && !QImageReader::supportedImageFormats().contains(format))
+        QSKIP("Qt does not support reading the \"" + format + "\" format", SkipSingle);
+
+    QImageReader reader(prefix + fileName);
+
+    // set a null size
+    reader.setScaledSize(QSize(0, 0));
+    reader.setQuality(0);
+    QImage image = reader.read();
+    QVERIFY(image.isNull());
+    QCOMPARE(image.size(), QSize(0, 0));
+}
+
 void tst_QImageReader::setClipRect_data()
 {
     QTest::addColumn<QString>("fileName");
diff --git a/tools/qdoc3/htmlgenerator.cpp b/tools/qdoc3/htmlgenerator.cpp
index 90d3b04..0c21534 100644
--- a/tools/qdoc3/htmlgenerator.cpp
+++ b/tools/qdoc3/htmlgenerator.cpp
@@ -1073,6 +1073,7 @@ void HtmlGenerator::generateClassLikeNode(const InnerNode *inner,
             if (!s->inherited.isEmpty())
                 needOtherSection = true;
         } else {
+            out() << "<hr />\n";
             out() << "<a name=\""
                   << registerRef((*s).name.toLower())
                   << "\"></a>\n";
@@ -2335,7 +2336,7 @@ void HtmlGenerator::generateSynopsis(const Node *node,
 QString HtmlGenerator::highlightedCode(const QString& markedCode,
                                        CodeMarker *marker,
                                        const Node *relative,
-                                       CodeMarker::SynopsisStyle style,
+                                       CodeMarker::SynopsisStyle ,
                                        bool nameAlignment)
 {
     QString src = markedCode;
diff --git a/tools/qdoc3/test/classic.css b/tools/qdoc3/test/classic.css
index 3e2370d..85bb348 100644
--- a/tools/qdoc3/test/classic.css
+++ b/tools/qdoc3/test/classic.css
@@ -17,7 +17,7 @@ h3.fn,span.fn
   background-color: #e0eff6;
   border-width: 1px;
   border-style: solid;
-  border-color: #3388be #e0eff6 #e9f8ff #e0eff6;
+  border-color: #3388be #3388be #e9f8ff #3388be;
   font-weight: bold;
   padding: 6px 0px 6px 10px;
 }
diff --git a/util/local_database/qlocalexml2cpp.py b/util/local_database/qlocalexml2cpp.py
index a9abe22..d625cfd 100755
--- a/util/local_database/qlocalexml2cpp.py
+++ b/util/local_database/qlocalexml2cpp.py
@@ -237,7 +237,17 @@ class StringData:
             return self.hash[s]
 
         lst = map(lambda x: hex(ord(x)), s)
-        token = StringDataToken(len(self.data), len(lst))
+        index = len(self.data)
+        if index >= 65535:
+            print "\n\n\n#error Data index is too big!"
+            sys.stderr.write ("\n\n\nERROR: index exceeds the uint16 range! index = %d\n" % index)
+            sys.exit(1)
+        size = len(lst)
+        if size >= 65535:
+            print "\n\n\n#error Data is too big!"
+            sys.stderr.write ("\n\n\nERROR: data size exceeds the uint16 range! size = %d\n" % size)
+            sys.exit(1)
+        token = StringDataToken(index, size)
         self.hash[s] = token
         self.data += lst
         return token
@@ -308,7 +318,7 @@ def main():
     print
 
     # Locale index
-    print "static const uint locale_index[] = {"
+    print "static const quint16 locale_index[] = {"
     print "     0, // unused"
     index = 0
     for key in language_map.keys():
@@ -444,7 +454,7 @@ def main():
     print
 
     # Language name index
-    print "static const uint language_name_index[] = {"
+    print "static const quint16 language_name_index[] = {"
     print "     0, // Unused"
     index = 8
     for key in language_map.keys():
@@ -467,7 +477,7 @@ def main():
     print
 
     # Country name index
-    print "static const uint country_name_index[] = {"
+    print "static const quint16 country_name_index[] = {"
     print "     0, // AnyCountry"
     index = 8
     for key in country_map.keys():