Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	bin/syncqt
	src/gui/text/qtextlayout.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/configure/configureapp.cpp

41 files changed, 464 insertions, 433 deletions

diff --git a/src/corelib/codecs/codecs.qdoc b/src/corelib/codecs/codecs.qdoc
index 0130db7b88..b88f016178 100644
--- a/src/corelib/codecs/codecs.qdoc
+++ b/src/corelib/codecs/codecs.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
index 107854c2c0..d53504abe4 100644
--- a/src/corelib/global/qendian.h
+++ b/src/corelib/global/qendian.h
@@ -44,6 +44,14 @@
 
 #include <QtCore/qglobal.h>
 
+#ifdef Q_OS_LINUX
+# include <features.h>
+#endif
+
+#ifdef __GLIBC__
+#include <byteswap.h>
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -264,6 +272,21 @@ template <> inline qint16 qFromBigEndian<qint16>(const uchar *src)
  * and it is therefore a bit more convenient and in most cases more efficient.
 */
 template <typename T> T qbswap(T source);
+
+#ifdef __GLIBC__
+template <> inline quint64 qbswap<quint64>(quint64 source)
+{
+    return bswap_64(source);
+}
+template <> inline quint32 qbswap<quint32>(quint32 source)
+{
+    return bswap_32(source);
+}
+template <> inline quint16 qbswap<quint16>(quint16 source)
+{
+    return bswap_16(source);
+}
+#else
 template <> inline quint64 qbswap<quint64>(quint64 source)
 {
     return 0
@@ -292,6 +315,7 @@ template <> inline quint16 qbswap<quint16>(quint16 source)
                     | ((source & 0x00ff) << 8)
                     | ((source & 0xff00) >> 8) );
 }
+#endif // __GLIBC__
 
 // signed specializations
 template <> inline qint64 qbswap<qint64>(qint64 source)
diff --git a/src/corelib/global/qendian.qdoc b/src/corelib/global/qendian.qdoc
index ea065cbd67..795ff81054 100644
--- a/src/corelib/global/qendian.qdoc
+++ b/src/corelib/global/qendian.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 373c0b4d8f..b31c83b394 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2503,6 +2503,19 @@ void qFatal(const char *msg, ...)
 
 // getenv is declared as deprecated in VS2005. This function
 // makes use of the new secure getenv function.
+/*!
+    \relates <QtGlobal>
+
+    Returns the value of the environment variable with name \a
+    varName. To get the variable string, use QByteArray::constData().
+
+    \note qgetenv() was introduced because getenv() from the standard
+    C library was deprecated in VC2005 (and later versions). qgetenv()
+    uses the new replacement function in VC, and calls the standard C
+    library's implementation on all other platforms.
+
+    \sa qputenv()
+*/
 QByteArray qgetenv(const char *varName)
 {
 #if defined(_MSC_VER) && _MSC_VER >= 1400
@@ -2522,6 +2535,20 @@ QByteArray qgetenv(const char *varName)
 #endif
 }
 
+/*!
+    \relates <QtGlobal>
+
+    This function sets the \a value of the environment variable named
+    \a varName. It will create the variable if it does not exist. It
+    returns 0 if the variable could not be set.
+
+    \note qputenv() was introduced because putenv() from the standard
+    C library was deprecated in VC2005 (and later versions). qputenv()
+    uses the replacement function in VC, and calls the standard C
+    library's implementation on all other platforms.
+
+    \sa qgetenv()
+*/
 bool qputenv(const char *varName, const QByteArray& value)
 {
 #if defined(_MSC_VER) && _MSC_VER >= 1400
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 6bcc95b06b..cc8d1b486f 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -412,15 +412,13 @@ namespace QT_NAMESPACE {}
 #  if defined(__INTEL_COMPILER)
 #    define Q_CC_INTEL
 #  endif
-/* x64 does not support mmx intrinsics on windows */
-#  if (defined(Q_OS_WIN64) && defined(_M_X64))
+/* MSVC does not support SSE/MMX on x64 */
+#  if (defined(Q_CC_MSVC) && defined(_M_X64))
 #    undef QT_HAVE_SSE
-#    undef QT_HAVE_SSE2
 #    undef QT_HAVE_MMX
 #    undef QT_HAVE_3DNOW
 #  endif
 
-
 #elif defined(__BORLANDC__) || defined(__TURBOC__)
 #  define Q_CC_BOR
 #  define Q_INLINE_TEMPLATE
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index a9c56f6112..a12e12119c 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1561,7 +1561,8 @@ public:
 
     enum LayoutDirection {
         LeftToRight,
-        RightToLeft
+        RightToLeft,
+        LayoutDirectionAuto
     };
 
     enum AnchorPoint {
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 7eae3a530d..d41975996f 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
@@ -1743,7 +1729,7 @@
     \value Key_MediaLast
     \value Key_unknown
 
-    \value Key_Call     A key to answer or initiate a call (\see Key_ToggleCallHangup for a key to toggle current call state)
+    \value Key_Call     A key to answer or initiate a call (see \l Key_ToggleCallHangup for a key to toggle current call state)
     \value Key_Camera   A key to activate the camera shutter
     \value Key_CameraFocus  A key to focus the camera
     \value Key_Context1
@@ -1751,7 +1737,7 @@
     \value Key_Context3
     \value Key_Context4
     \value Key_Flip
-    \value Key_Hangup   A key to end an ongoing call (\see Key_ToggleCallHangup for a key to toggle current call state)
+    \value Key_Hangup   A key to end an ongoing call (see \l Key_ToggleCallHangup for a key to toggle current call state)
     \value Key_No
     \value Key_Select
     \value Key_Yes
@@ -2572,15 +2558,23 @@
 /*!
     \enum Qt::LayoutDirection
 
-    Specifies the direction of Qt's layouts:
+    Specifies the direction of Qt's layouts and text handling.
 
     \value LeftToRight  Left-to-right layout.
     \value RightToLeft  Right-to-left layout.
+    \value LayoutDirectionAuto   Automatic layout.
 
     Right-to-left layouts are necessary for certain languages,
     notably Arabic and Hebrew.
 
-    \sa QApplication::setLayoutDirection(), QWidget::setLayoutDirection()
+    LayoutDirectionAuto serves two purposes. When used in conjunction with widgets and layouts, it
+    will imply to use the layout direction set on the parent widget or QApplication. This
+    has the same effect as QWidget::unsetLayoutDirection().
+
+    When LayoutDirectoinAuto is used in conjunction with text layouting, it will imply that the text
+    directionality is determined from the content of the string to be layouted.
+
+    \sa QApplication::setLayoutDirection(), QWidget::setLayoutDirection(), QTextOption::setTextDirection(), QString::isRightToLeft()
 */
 
 /*!
diff --git a/src/corelib/io/qbuffer.cpp b/src/corelib/io/qbuffer.cpp
index c1ff353417..73c71ea672 100644
--- a/src/corelib/io/qbuffer.cpp
+++ b/src/corelib/io/qbuffer.cpp
@@ -62,6 +62,9 @@ public:
     QByteArray defaultBuf;
     int ioIndex;
 
+    virtual qint64 peek(char *data, qint64 maxSize);
+    virtual QByteArray peek(qint64 maxSize);
+
 #ifndef QT_NO_QOBJECT
     // private slots
     void _q_emitSignals();
@@ -83,6 +86,21 @@ void QBufferPrivate::_q_emitSignals()
 }
 #endif
 
+qint64 QBufferPrivate::peek(char *data, qint64 maxSize)
+{
+    qint64 readBytes = qMin(maxSize, static_cast<qint64>(buf->size()) - pos);
+    memcpy(data, buf->constData() + pos, readBytes);
+    return readBytes;
+}
+
+QByteArray QBufferPrivate::peek(qint64 maxSize)
+{
+    qint64 readBytes = qMin(maxSize, static_cast<qint64>(buf->size()) - pos);
+    if (pos == 0 && maxSize >= buf->size())
+        return *buf;
+    return QByteArray(buf->constData() + pos, readBytes);
+}
+
 /*!
     \class QBuffer
     \reentrant
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index 254c03e2fe..c80f9f1478 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -1167,7 +1167,15 @@ bool QFSFileEnginePrivate::doStat() const
         if (filePath.isEmpty())
             return could_stat;
 
-        QString fname = filePath.endsWith(QLatin1String(".lnk")) ? readLink(filePath) : filePath;
+        QString fname;
+        if(filePath.endsWith(QLatin1String(".lnk"))) {
+            fname = readLink(filePath);
+            if(fname.isEmpty())
+                return could_stat;
+        }
+        else
+            fname = filePath;
+
         fname = fixIfRelativeUncPath(fname);
 
         UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp
index 223df9b0f6..26e587ded2 100644
--- a/src/corelib/io/qiodevice.cpp
+++ b/src/corelib/io/qiodevice.cpp
@@ -1442,6 +1442,35 @@ bool QIODevicePrivate::putCharHelper(char c)
     return q_func()->write(&c, 1) == 1;
 }
 
+/*!
+    \internal
+*/
+qint64 QIODevicePrivate::peek(char *data, qint64 maxSize)
+{
+    qint64 readBytes = q_func()->read(data, maxSize);
+    if (readBytes <= 0)
+        return readBytes;
+
+    buffer.ungetBlock(data, readBytes);
+    *pPos -= readBytes;
+    return readBytes;
+}
+
+/*!
+    \internal
+*/
+QByteArray QIODevicePrivate::peek(qint64 maxSize)
+{
+    QByteArray result = q_func()->read(maxSize);
+
+    if (result.isEmpty())
+        return result;
+
+    buffer.ungetBlock(result.constData(), result.size());
+    *pPos -= result.size();
+    return result;
+}
+
 /*! \fn bool QIODevice::getChar(char *c)
 
     Reads one character from the device and stores it in \a c. If \a c
@@ -1476,11 +1505,7 @@ bool QIODevice::getChar(char *c)
 */
 qint64 QIODevice::peek(char *data, qint64 maxSize)
 {
-    qint64 readBytes = read(data, maxSize);
-    int i = readBytes;
-    while (i > 0)
-        ungetChar(data[i-- - 1]);
-    return readBytes;
+    return d_func()->peek(data, maxSize);
 }
 
 /*!
@@ -1502,12 +1527,7 @@ qint64 QIODevice::peek(char *data, qint64 maxSize)
 */
 QByteArray QIODevice::peek(qint64 maxSize)
 {
-    QByteArray result = read(maxSize);
-    int i = result.size();
-    const char *data = result.constData();
-    while (i > 0)
-        ungetChar(data[i-- - 1]);
-    return result;
+    return d_func()->peek(maxSize);
 }
 
 /*!
diff --git a/src/corelib/io/qiodevice_p.h b/src/corelib/io/qiodevice_p.h
index 94dadca76d..4a25562605 100644
--- a/src/corelib/io/qiodevice_p.h
+++ b/src/corelib/io/qiodevice_p.h
@@ -151,6 +151,15 @@ public:
         len++;
         *first = c;
     }
+    void ungetBlock(const char* block, int size) {
+        if ((first - buf) < size) {
+            // underflow, the existing valid data needs to move to the end of the (potentially bigger) buffer
+            makeSpace(len + size, freeSpaceAtStart);
+            memcpy(first - size, block, size);
+        }
+        first -= size;
+        len += size;
+    }
 
 private:
     enum FreeSpacePos {freeSpaceAtStart, freeSpaceAtEnd};
@@ -222,7 +231,9 @@ public:
             accessMode = q_func()->isSequential() ? Sequential : RandomAccess;
         return accessMode == Sequential;
     }
-    
+
+    virtual qint64 peek(char *data, qint64 maxSize);
+    virtual QByteArray peek(qint64 maxSize);
 
 #ifdef QT_NO_QOBJECT
     QIODevice *q_ptr;
diff --git a/src/corelib/kernel/qabstracteventdispatcher.cpp b/src/corelib/kernel/qabstracteventdispatcher.cpp
index ee3c4f2863..bcf44771ee 100644
--- a/src/corelib/kernel/qabstracteventdispatcher.cpp
+++ b/src/corelib/kernel/qabstracteventdispatcher.cpp
@@ -393,6 +393,27 @@ void QAbstractEventDispatcher::closingDown()
 
     \snippet doc/src/snippets/code/src_corelib_kernel_qabstracteventdispatcher.cpp 0
 
+    Note that the type of the \a message is platform dependent. The
+    following table shows the \a {message}'s type on Windows, Mac, and
+    X11. You can do a static cast to these types.
+
+    \table
+        \header
+            \o Platform
+            \o type
+        \row
+            \o Windows
+            \o MSG
+        \row
+            \o X11
+            \o XEvent
+        \row
+            \o Mac
+            \o NSEvent
+    \endtable
+
+    
+
     \sa setEventFilter(), filterEvent()
 */
 
@@ -434,6 +455,9 @@ QAbstractEventDispatcher::EventFilter QAbstractEventDispatcher::setEventFilter(E
     compatibility with any extensions that may be used in the
     application.
 
+    Note that the type of \a message is platform dependent. See 
+    QAbstractEventDispatcher::EventFilter for details.
+
     \sa setEventFilter()
 */
 bool QAbstractEventDispatcher::filterEvent(void *message)
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index 2b0eff686e..0a33b876e4 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -2854,7 +2854,7 @@ void QAbstractItemModel::endMoveColumns()
 
     \note Use beginResetModel() and endResetModel() instead whenever possible.
     Use this method only if there is no way to call beginResetModel() before invalidating the model.
-    Otherwise it could lead to unexcpected behaviour, especially when used with proxy models.
+    Otherwise it could lead to unexpected behaviour, especially when used with proxy models.
 */
 void QAbstractItemModel::reset()
 {
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 179158ff27..aaa5878b4e 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1097,7 +1097,7 @@ void QCoreApplication::exit(int returnCode)
 
     The event must be allocated on the heap since the post event queue
     will take ownership of the event and delete it once it has been
-    posted.  It is \e {not safe} to modify or delete the event after
+    posted.  It is \e {not safe} to access the event after
     it has been posted.
 
     When control returns to the main event loop, all events that are
@@ -1128,7 +1128,7 @@ void QCoreApplication::postEvent(QObject *receiver, QEvent *event)
 
     The event must be allocated on the heap since the post event queue
     will take ownership of the event and delete it once it has been
-    posted.  It is \e {not safe} to modify or delete the event after
+    posted.  It is \e {not safe} to access the event after
     it has been posted.
 
     When control returns to the main event loop, all events that are
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index fd36be4450..9c1c827c43 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -246,6 +246,7 @@ struct GPostEventSource
     GSource source;
     QAtomicInt serialNumber;
     int lastSerialNumber;
+    QEventDispatcherGlibPrivate *d;
 };
 
 static gboolean postEventSourcePrepare(GSource *s, gint *timeout)
@@ -274,6 +275,7 @@ static gboolean postEventSourceDispatch(GSource *s, GSourceFunc, gpointer)
     GPostEventSource *source = reinterpret_cast<GPostEventSource *>(s);
     source->lastSerialNumber = source->serialNumber;
     QCoreApplication::sendPostedEvents();
+    source->d->runTimersOnceWithNormalPriority();
     return true; // i dunno, george...
 }
 
@@ -313,6 +315,7 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     postEventSource = reinterpret_cast<GPostEventSource *>(g_source_new(&postEventSourceFuncs,
                                                                         sizeof(GPostEventSource)));
     postEventSource->serialNumber = 1;
+    postEventSource->d = this;
     g_source_set_can_recurse(&postEventSource->source, true);
     g_source_attach(&postEventSource->source, mainContext);
 
diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index 9d8ee5ae78..e86efb218e 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -100,40 +100,25 @@ static inline int qt_socket_select(int nfds, fd_set *readfds, fd_set *writefds,
 class QSelectMutexGrabber
 {
 public:
-    QSelectMutexGrabber(int fd, QMutex *threadMutex, QMutex *selectCallMutex)
-        : m_threadMutex(threadMutex), m_selectCallMutex(selectCallMutex), bHasThreadLock(false)
+    QSelectMutexGrabber(int fd, QMutex *mutex)
+        : m_mutex(mutex)
     {
-        // see if selectThread is waiting m_waitCond
-        // if yes ... dont write to pipe
-        if (m_threadMutex->tryLock()) {
-            bHasThreadLock = true;
+        if (m_mutex->tryLock())
             return;
-        }
-
-        // still check that SelectThread
-        // is in select call
-        if (m_selectCallMutex->tryLock()) {
-            m_selectCallMutex->unlock();
-            return;
-        }
 
         char dummy = 0;
         qt_pipe_write(fd, &dummy, 1);
 
-        m_threadMutex->lock();
-        bHasThreadLock = true;
+        m_mutex->lock();
     }
 
     ~QSelectMutexGrabber()
     {
-        if(bHasThreadLock)
-            m_threadMutex->unlock();
+        m_mutex->unlock();
     }
 
 private:
-    QMutex *m_threadMutex;
-    QMutex *m_selectCallMutex;
-    bool bHasThreadLock;
+    QMutex *m_mutex;
 };
 
 /*
@@ -415,12 +400,7 @@ void QSelectThread::run()
 
         int ret;
         int savedSelectErrno;
-        {
-            // helps fighting the race condition between
-            // selctthread and new socket requests (cancel, restart ...)
-            QMutexLocker locker(&m_selectCallMutex);
-            ret = qt_socket_select(maxfd, &readfds, &writefds, &exceptionfds, 0);
-        }
+        ret = qt_socket_select(maxfd, &readfds, &writefds, &exceptionfds, 0);
         savedSelectErrno = errno;
 
         char buffer;
@@ -515,9 +495,7 @@ void QSelectThread::requestSocketEvents ( QSocketNotifier *notifier, TRequestSta
         start();
     }
 
-    QMutexLocker locker(&m_grabberMutex);
-
-    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex, &m_selectCallMutex);
+    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex);
 
     Q_ASSERT(!m_AOStatuses.contains(notifier));
 
@@ -528,9 +506,7 @@ void QSelectThread::requestSocketEvents ( QSocketNotifier *notifier, TRequestSta
 
 void QSelectThread::cancelSocketEvents ( QSocketNotifier *notifier )
 {
-    QMutexLocker locker(&m_grabberMutex);
-
-    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex, &m_selectCallMutex);
+    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex);
 
     m_AOStatuses.remove(notifier);
 
@@ -539,9 +515,7 @@ void QSelectThread::cancelSocketEvents ( QSocketNotifier *notifier )
 
 void QSelectThread::restart()
 {
-    QMutexLocker locker(&m_grabberMutex);
-
-    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex, &m_selectCallMutex);
+    QSelectMutexGrabber lock(m_pipeEnds[1], &m_mutex);
 
     m_waitCond.wakeAll();
 }
diff --git a/src/corelib/kernel/qeventdispatcher_symbian_p.h b/src/corelib/kernel/qeventdispatcher_symbian_p.h
index 211ded4590..bc4275376c 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian_p.h
+++ b/src/corelib/kernel/qeventdispatcher_symbian_p.h
@@ -211,26 +211,6 @@ private:
     QMutex m_mutex;
     QWaitCondition m_waitCond;
     bool m_quit;
-
-    // to protect when several
-    // requests like:
-    // requestSocketEvents
-    // cancelSocketEvents
-    // kick in the same time
-    // all will fight for m_mutex
-    //
-    // TODO: fix more elegantely
-    //
-    QMutex m_grabberMutex;
-
-    // this one will tell
-    // if selectthread is
-    // really in select call
-    // and will prevent
-    // writing to pipe that
-    // causes later in locking
-    // of the thread in waitcond
-    QMutex m_selectCallMutex;
 };
 
 class Q_CORE_EXPORT CQtActiveScheduler : public CActiveScheduler
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index cede8102e6..e3f537f752 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -516,8 +516,12 @@ LRESULT QT_WIN_CALLBACK qt_GetMessageHook(int code, WPARAM wp, LPARAM lp)
         if (q) {
             QEventDispatcherWin32Private *d = q->d_func();
             int localSerialNumber = d->serialNumber;
+#ifdef Q_OS_WINCE
+            MSG dummyMsg;
+            if (HIWORD(GetQueueStatus(QS_INPUT)) == 0
+                && PeekMessage(&dummyMsg, 0, WM_TIMER, WM_TIMER, PM_NOREMOVE) == 0
+#else
             if (HIWORD(GetQueueStatus(QS_INPUT | QS_RAWINPUT | QS_TIMER)) == 0
-#ifndef Q_OS_WINCE
                 || GetMessageTime() - d->lastMessageTime >= 10
 #endif
                 ) {
diff --git a/src/corelib/kernel/qeventloop.cpp b/src/corelib/kernel/qeventloop.cpp
index 628afa7d9e..c19f718526 100644
--- a/src/corelib/kernel/qeventloop.cpp
+++ b/src/corelib/kernel/qeventloop.cpp
@@ -43,7 +43,7 @@
 
 #include "qabstracteventdispatcher.h"
 #include "qcoreapplication.h"
-#include "qdatetime.h"
+#include "qelapsedtimer.h"
 
 #include "qobject_p.h"
 #include <private/qthread_p.h>
@@ -247,7 +247,7 @@ void QEventLoop::processEvents(ProcessEventsFlags flags, int maxTime)
     if (!d->threadData->eventDispatcher)
         return;
 
-    QTime start;
+    QElapsedTimer start;
     start.start();
     if (flags & DeferredDeletion)
         QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
index ce9ed58e29..6ebaaa36dc 100644
--- a/src/corelib/kernel/qmetatype.cpp
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -378,6 +378,8 @@ void QMetaType::registerStreamOperators(const char *typeName, SaveOperator saveO
 void QMetaType::registerStreamOperators(int idx, SaveOperator saveOp,
                                         LoadOperator loadOp)
 {
+    if (idx < User)
+        return; //builtin types should not be registered;
     QVector<QCustomTypeInfo> *ct = customTypes();
     if (!ct)
         return;
diff --git a/src/corelib/plugin/qplugin.qdoc b/src/corelib/plugin/qplugin.qdoc
index f06d92f0bb..b02cfbffbd 100644
--- a/src/corelib/plugin/qplugin.qdoc
+++ b/src/corelib/plugin/qplugin.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp
index 8541c7db5b..9332bbcf7c 100644
--- a/src/corelib/plugin/quuid.cpp
+++ b/src/corelib/plugin/quuid.cpp
@@ -546,13 +546,13 @@ bool QUuid::operator>(const QUuid &other) const
     \fn QUuid QUuid::createUuid()
 
     On any platform other than Windows, this function returns a new
-    UUID with variant QUuid::DCE and version QUuid::Random. The random
-    numbers used to construct the UUID are obtained from the local
-    pseudo-random generator, qrand(), which is usually not a cryptographic
-    quality random number generator. Therefore, a UUID generated by
-    this function can't be guaranteed to be unique. If the pseudo-random
-    number generator for the calling thread has not yet been seeded, this
-    function will seed the pseudo-random number generator by calling qsrand().
+    UUID with variant QUuid::DCE and version QUuid::Random.  If
+    the /dev/urandom device exists, then the numbers used to construct
+    the UUID will be of cryptographic quality, which will make the UUID
+    unique.  Otherwise, the numbers of the UUID will be obtained from
+    the local pseudo-random number generator (qrand(), which is seeded
+    by qsrand()) which is usually not of cryptograhic quality, which
+    means that the UUID can't be guaranteed to be unique.
 
     On a Windows platform, a GUID is generated, which almost certainly
     \e{will} be unique, on this or any other system, networked or not.
@@ -577,6 +577,7 @@ QUuid QUuid::createUuid()
 
 QT_BEGIN_INCLUDE_NAMESPACE
 #include "qdatetime.h"
+#include "qfile.h"
 #include "stdlib.h" // For srand/rand
 QT_END_INCLUDE_NAMESPACE
 
@@ -584,24 +585,35 @@ extern void qsrand(); // in qglobal.cpp
 
 QUuid QUuid::createUuid()
 {
-    static const int intbits = sizeof(int)*8;
-    static int randbits = 0;
-    if (!randbits) {
-        int max = RAND_MAX;
-        do { ++randbits; } while ((max=max>>1));
-    }
-
-    // reseed, but only if not already seeded
-    qsrand();
-
     QUuid result;
     uint *data = &(result.data1);
-    int chunks = 16 / sizeof(uint);
-    while (chunks--) {
-        uint randNumber = 0;
-        for (int filled = 0; filled < intbits; filled += randbits)
-            randNumber |= qrand()<<filled;
-         *(data+chunks) = randNumber;
+
+#ifdef Q_OS_UNIX
+    QFile devUrandom;
+    devUrandom.setFileName(QLatin1String("/dev/urandom"));
+    if (devUrandom.open(QIODevice::ReadOnly)) {
+        qint64 numToRead = 4 * sizeof(uint);
+        devUrandom.read((char *) data, numToRead); // should read 128-bits of data
+    } else
+#endif
+    {
+        static const int intbits = sizeof(int)*8;
+        static int randbits = 0;
+        if (!randbits) {
+            int max = RAND_MAX;
+            do { ++randbits; } while ((max=max>>1));
+        }
+
+        // reseed, but only if not already seeded
+        qsrand();
+
+        int chunks = 16 / sizeof(uint);
+        while (chunks--) {
+            uint randNumber = 0;
+            for (int filled = 0; filled < intbits; filled += randbits)
+                randNumber |= qrand()<<filled;
+             *(data+chunks) = randNumber;
+        }
     }
 
     result.data4[0] = (result.data4[0] & 0x3F) | 0x80;        // UV_DCE
diff --git a/src/corelib/thread/qsemaphore.cpp b/src/corelib/thread/qsemaphore.cpp
index 9dc828d9da..8e8a88abed 100644
--- a/src/corelib/thread/qsemaphore.cpp
+++ b/src/corelib/thread/qsemaphore.cpp
@@ -44,6 +44,8 @@
 #ifndef QT_NO_THREAD
 #include "qmutex.h"
 #include "qwaitcondition.h"
+#include "qelapsedtimer.h"
+#include "qdatetime.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -218,8 +220,11 @@ bool QSemaphore::tryAcquire(int n, int timeout)
         while (n > d->avail)
             d->cond.wait(locker.mutex());
     } else {
+        QElapsedTimer timer;
+        timer.start();
         while (n > d->avail) {
-            if (!d->cond.wait(locker.mutex(), timeout))
+            if (timer.hasExpired(timeout)
+                || !d->cond.wait(locker.mutex(), timeout - timer.elapsed()))
                 return false;
         }
     }
diff --git a/src/corelib/thread/qwaitcondition.qdoc b/src/corelib/thread/qwaitcondition.qdoc
index 30746b323b..b21285e305 100644
--- a/src/corelib/thread/qwaitcondition.qdoc
+++ b/src/corelib/thread/qwaitcondition.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qalgorithms.qdoc b/src/corelib/tools/qalgorithms.qdoc
index 044d754229..4a4f5921b9 100644
--- a/src/corelib/tools/qalgorithms.qdoc
+++ b/src/corelib/tools/qalgorithms.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
index 05d38f6727..b46af1f483 100644
--- a/src/corelib/tools/qbytearray.cpp
+++ b/src/corelib/tools/qbytearray.cpp
@@ -1805,6 +1805,11 @@ QByteArray &QByteArray::replace(int pos, int len, const QByteArray &after)
 /*! \fn QByteArray &QByteArray::replace(int pos, int len, const char *after)
 
     \overload
+
+    Replaces \a len bytes from index position \a pos with the zero terminated
+    string \a after.
+
+    Notice: this can change the lenght of the byte array.
 */
 QByteArray &QByteArray::replace(int pos, int len, const char *after)
 {
diff --git a/src/corelib/tools/qcache.qdoc b/src/corelib/tools/qcache.qdoc
index f075d2c067..71e0483cdf 100644
--- a/src/corelib/tools/qcache.qdoc
+++ b/src/corelib/tools/qcache.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp
index 14b4a26b4a..ae8aad65e4 100644
--- a/src/corelib/tools/qdatetime.cpp
+++ b/src/corelib/tools/qdatetime.cpp
@@ -2385,7 +2385,7 @@ uint QDateTime::toTime_t() const
 /*!
     \since 4.7
 
-    Sets the date and time given the number of \a mulliseconds that have
+    Sets the date and time given the number of milliseconds,\a msecs, that have
     passed since 1970-01-01T00:00:00.000, Coordinated Universal Time
     (Qt::UTC). On systems that do not support time zones this function
     will behave as if local time were Qt::UTC.
@@ -3188,7 +3188,7 @@ QDateTime QDateTime::fromTime_t(uint seconds)
 /*!
   \since 4.7
 
-  Returns a datetime whose date and time are the number of milliseconds \a msec
+  Returns a datetime whose date and time are the number of milliseconds, \a msecs,
   that have passed since 1970-01-01T00:00:00.000, Coordinated Universal
   Time (Qt::UTC). On systems that do not support time zones, the time
   will be set as if local time were Qt::UTC.
diff --git a/src/corelib/tools/qharfbuzz.cpp b/src/corelib/tools/qharfbuzz.cpp
index 1b6d334ee2..9166a1403d 100644
--- a/src/corelib/tools/qharfbuzz.cpp
+++ b/src/corelib/tools/qharfbuzz.cpp
@@ -102,45 +102,15 @@ HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch)
     return QChar::mirroredChar(ch);
 }
 
-void *HB_Library_Resolve(const char *library, const char *symbol)
+void *HB_Library_Resolve(const char *library, int version, const char *symbol)
 {
 #ifdef QT_NO_LIBRARY
     return 0;
 #else
-    return QLibrary::resolve(QLatin1String(library), symbol);
+    return QLibrary::resolve(QLatin1String(library), version, symbol);
 #endif
 }
 
-void *HB_TextCodecForMib(int mib)
-{
-#ifndef QT_NO_TEXTCODEC
-    return QTextCodec::codecForMib(mib);
-#else
-    return 0;
-#endif
-}
-
-char *HB_TextCodec_ConvertFromUnicode(void *codec, const HB_UChar16 *unicode, hb_uint32 length, hb_uint32 *outputLength)
-{
-#ifndef QT_NO_TEXTCODEC
-    QByteArray data = reinterpret_cast<QTextCodec *>(codec)->fromUnicode((const QChar *)unicode, length);
-    // ### suboptimal
-    char *output = (char *)malloc(data.length() + 1);
-    Q_CHECK_PTR(output);
-    memcpy(output, data.constData(), data.length() + 1);
-    if (outputLength)
-        *outputLength = data.length();
-    return output;
-#else
-    return 0;
-#endif
-}
-
-void HB_TextCodec_FreeResult(char *string)
-{
-    free(string);
-}
-
 } // extern "C"
 
 QT_BEGIN_NAMESPACE
diff --git a/src/corelib/tools/qiterator.qdoc b/src/corelib/tools/qiterator.qdoc
index 5696ae1e5f..1e7637b9ee 100644
--- a/src/corelib/tools/qiterator.qdoc
+++ b/src/corelib/tools/qiterator.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index c000dc867c..a51ee81023 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -3478,6 +3478,25 @@ QLocale::MeasurementSystem QLocale::measurementSystem() const
 }
 
 /*!
+  \since 4.7
+
+  Returns the text direction of the language.
+*/
+Qt::LayoutDirection QLocale::textDirection() const
+{
+    Language lang = language();
+    if (lang == QLocale::Arabic ||
+        lang == QLocale::Hebrew ||
+        lang == QLocale::Persian ||
+        lang == QLocale::Urdu ||
+        lang == QLocale::Syriac)
+        return Qt::RightToLeft;
+
+    return Qt::LeftToRight;
+}
+
+
+/*!
     \since 4.5
 
     Returns the localized name of the "AM" suffix for times specified using
diff --git a/src/corelib/tools/qlocale.h b/src/corelib/tools/qlocale.h
index f2fd89289e..8b424bbc3a 100644
--- a/src/corelib/tools/qlocale.h
+++ b/src/corelib/tools/qlocale.h
@@ -666,6 +666,8 @@ public:
 
     MeasurementSystem measurementSystem() const;
 
+    Qt::LayoutDirection textDirection() const;
+
     inline bool operator==(const QLocale &other) const;
     inline bool operator!=(const QLocale &other) const;
 
diff --git a/src/corelib/tools/qpair.qdoc b/src/corelib/tools/qpair.qdoc
index 34c43ed633..e60243f563 100644
--- a/src/corelib/tools/qpair.qdoc
+++ b/src/corelib/tools/qpair.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qset.qdoc b/src/corelib/tools/qset.qdoc
index 9f0dd3e0e4..d1aca4c779 100644
--- a/src/corelib/tools/qset.qdoc
+++ b/src/corelib/tools/qset.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index cbe6146cb6..58d2dcb016 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -58,7 +58,8 @@ QT_BEGIN_HEADER
 #endif
 
 // SSE intrinsics
-#if defined(__SSE2__) && defined(QT_HAVE_SSE2) && !defined(QT_BOOTSTRAPPED)
+#if defined(QT_HAVE_SSE2) && !defined(QT_BOOTSTRAPPED) && (defined(__SSE2__) \
+    || (defined(Q_CC_MSVC) && (defined(_M_X64) || _M_IX86_FP == 2)))
 #if defined(QT_LINUXBASE)
 /// this is an evil hack - the posix_memalign declaration in LSB
 /// is wrong - see http://bugs.linuxbase.org/show_bug.cgi?id=2431
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index c8d641acc6..07240bea4d 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -4793,6 +4793,10 @@ int QString::localeAwareCompare_helper(const QChar *data1, int length1,
     CFRelease(thisString);
     CFRelease(otherString);
     return result;
+#elif defined(Q_OS_SYMBIAN)
+    TPtrC p1 = TPtrC16(reinterpret_cast<const TUint16 *>(data1), length1);
+    TPtrC p2 = TPtrC16(reinterpret_cast<const TUint16 *>(data2), length2);
+    return p1.CompareC(p2);
 #elif defined(Q_OS_UNIX)
     // declared in <string.h>
     int delta = strcoll(toLocal8Bit_helper(data1, length1), toLocal8Bit_helper(data2, length2));
@@ -6941,20 +6945,23 @@ void QString::updateProperties() const
         p++;
     }
 
-    p = d->data;
-    d->righttoleft = false;
+    d->righttoleft = isRightToLeft();
+    d->clean = true;
+}
+
+bool QString::isRightToLeft() const
+{
+    ushort *p = d->data;
+    const ushort * const end = p + d->size;
+    bool righttoleft = false;
     while (p < end) {
         switch(QChar::direction(*p))
         {
         case QChar::DirL:
-        case QChar::DirLRO:
-        case QChar::DirLRE:
             goto end;
         case QChar::DirR:
         case QChar::DirAL:
-        case QChar::DirRLO:
-        case QChar::DirRLE:
-            d->righttoleft = true;
+            righttoleft = true;
             goto end;
         default:
             break;
@@ -6962,8 +6969,7 @@ void QString::updateProperties() const
         ++p;
     }
  end:
-    d->clean = true;
-    return;
+    return righttoleft;
 }
 
 /*! \fn bool QString::isSimpleText() const
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
index ed87acf294..952c572ef1 100644
--- a/src/corelib/tools/qstring.h
+++ b/src/corelib/tools/qstring.h
@@ -596,7 +596,7 @@ public:
 #endif
 
     bool isSimpleText() const { if (!d->clean) updateProperties(); return d->simpletext; }
-    bool isRightToLeft() const { if (!d->clean) updateProperties(); return d->righttoleft; }
+    bool isRightToLeft() const;
 
     QString(int size, Qt::Initialization);
 
diff --git a/src/corelib/tools/qtextboundaryfinder.cpp b/src/corelib/tools/qtextboundaryfinder.cpp
index 92052973f9..bcddcb2010 100644
--- a/src/corelib/tools/qtextboundaryfinder.cpp
+++ b/src/corelib/tools/qtextboundaryfinder.cpp
@@ -131,6 +131,11 @@ static void init(QTextBoundaryFinder::BoundaryType type, const QChar *chars, int
     Line break boundaries give possible places where a line break
     might happen and sentence boundaries will show the beginning and
     end of whole sentences.
+
+    The first position in a string is always a valid boundary and
+    refers to the position before the first character. The last
+    position at the length of the string is also valid and refers
+    to the position after the last character.
 */
 
 /*!
@@ -363,7 +368,8 @@ int QTextBoundaryFinder::toNextBoundary()
             ++pos;
         break;
     case Line:
-        while (pos < length && d->attributes[pos].lineBreakType < HB_Break)
+        Q_ASSERT(pos);
+        while (pos < length && d->attributes[pos-1].lineBreakType < HB_Break)
             ++pos;
         break;
     }
@@ -405,7 +411,7 @@ int QTextBoundaryFinder::toPreviousBoundary()
             --pos;
         break;
     case Line:
-        while (pos > 0 && d->attributes[pos].lineBreakType < HB_Break)
+        while (pos > 0 && d->attributes[pos-1].lineBreakType < HB_Break)
             --pos;
         break;
     }
@@ -430,7 +436,7 @@ bool QTextBoundaryFinder::isAtBoundary() const
     case Word:
         return d->attributes[pos].wordBoundary;
     case Line:
-        return d->attributes[pos].lineBreakType >= HB_Break;
+        return (pos > 0) ? d->attributes[pos-1].lineBreakType >= HB_Break : true;
     case Sentence:
         return d->attributes[pos].sentenceBoundary;
     }
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index bfede944f5..4a6bb4b802 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -127,6 +127,13 @@ public:
     inline T *data() { return ptr; }
     inline const T *data() const { return ptr; }
     inline const T * constData() const { return ptr; }
+    typedef int size_type;
+    typedef T value_type;
+    typedef value_type *pointer;
+    typedef const value_type *const_pointer;
+    typedef value_type &reference;
+    typedef const value_type &const_reference;
+    typedef qptrdiff difference_type;
 
 private:
     friend class QPodList<T, Prealloc>;
diff --git a/src/corelib/tools/qvarlengtharray.qdoc b/src/corelib/tools/qvarlengtharray.qdoc
index 38901e5ded..cbd81c7b53 100644
--- a/src/corelib/tools/qvarlengtharray.qdoc
+++ b/src/corelib/tools/qvarlengtharray.qdoc
@@ -6,35 +6,21 @@
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Technology Preview License Agreement accompanying
-** this package.
+** $QT_BEGIN_LICENSE:FDL$
+** 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.
 **
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of this
+** file.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
@@ -302,3 +288,52 @@
     \a defaultValue.
 */
 
+/*!
+    \typedef QVarLengthArray::size_type
+    \since 4.7
+
+    Typedef for int. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::value_type
+    \since 4.7
+
+    Typedef for T. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::difference_type
+    \since 4.7
+
+    Typedef for ptrdiff_t. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::pointer
+    \since 4.7
+
+    Typedef for T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::const_pointer
+    \since 4.7
+
+    Typedef for const T *. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::reference
+    \since 4.7
+
+    Typedef for T &. Provided for STL compatibility.
+*/
+
+/*!
+    \typedef QVarLengthArray::const_reference
+    \since 4.7
+
+    Typedef for const T &. Provided for STL compatibility.
+*/
+
diff --git a/src/corelib/tools/tools.pri b/src/corelib/tools/tools.pri
index 4e0ebbcb3d..e579dd58e1 100644
--- a/src/corelib/tools/tools.pri
+++ b/src/corelib/tools/tools.pri
@@ -106,8 +106,9 @@ contains(QT_CONFIG, zlib) {
         ../3rdparty/zlib/uncompr.c \
         ../3rdparty/zlib/zutil.c
 } else:!contains(QT_CONFIG, no-zlib) {
-   unix:LIBS_PRIVATE += -lz
-#  win32:LIBS += libz.lib
+    symbian:LIBS_PRIVATE += -llibz
+    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
+    else:LIBS += zdll.lib
 }
 
 DEFINES += HB_EXPORT=Q_CORE_EXPORT