Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (43 commits)
  Fix compilation on Windows: forgot to change one toTime_tHelper
  handle qt-format PO flags
  handle encoding of PO files
  make variable naming politically correct :-D
  add Plural-Forms header in PO writer
  simplify arabic plural rule
  don't mark untranslated messages as fuzzy in PO files
  support gettext POT files
  fix writing of length variant separators in the singular case
  make PO header handling less of a monster hack
  fix updating of X-Source-Language PO header
  interpret source language "en" as "POSIX" (more precisely: "none specified")
  Fix compilation with Sun CC: no semi-colon after Q_ENUM.
  Remove the "Insert unicode control character" menu entry on X11.
  adds a timeout option to QThreadPool::waitForDone();
  Remove leading whitespace from Qt header macros.
  Rename the xxxMsecsSinceEpoch functions to xxxMSecsSinceEpoch.
  Add QDateTime members that operate on 64-bit milliseconds.
  Fix compilation on WinCE and MinGW by memsetting the OVERLAPPED struct.
  qdoc: Added <div> elements to some html output for class references.
  ...

45 files changed, 380 insertions, 278 deletions

diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/StructureTransitionTable.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/StructureTransitionTable.h
index 35fb7e4..2ecf0d3 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/StructureTransitionTable.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/StructureTransitionTable.h
@@ -143,14 +143,14 @@ namespace JSC {
             if (!specificValue) {
                 TransitionTable::iterator find = table()->find(key);
                 if (find == table()->end())
-                    table()->add(key, Transition(structure, 0));
+                    table()->add(key, Transition(structure, (Structure*)0));
                 else
                     find->second.first = structure;
             } else {
                 // If we're adding a transition to a specific value, then there cannot be
                 // an existing transition
                 ASSERT(!table()->contains(key));
-                table()->add(key, Transition(0, structure));
+                table()->add(key, Transition((Structure*)0, structure));
             }
         }
 
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
index 5b655e8..85c8743 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
@@ -239,7 +239,7 @@ inline int atomicDecrement(int volatile* addend) { return OSAtomicDecrement32Bar
 inline int atomicIncrement(int volatile* addend) { return android_atomic_inc(addend); }
 inline int atomicDecrement(int volatile* addend) { return android_atomic_dec(addend); }
 
-#elif COMPILER(GCC) && !PLATFORM(SPARC64) && !defined(__SYMBIAN32__) // sizeof(_Atomic_word) != sizeof(int) on sparc64 gcc
+#elif COMPILER(GCC) && !CPU(SPARC64) && !defined(__SYMBIAN32__) // sizeof(_Atomic_word) != sizeof(int) on sparc64 gcc
 #define WTF_USE_LOCKFREE_THREADSAFESHARED 1
 
 inline int atomicIncrement(int volatile* addend) { return __gnu_cxx::__exchange_and_add(addend, 1) + 1; }
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/StructureTransitionTable.h b/src/3rdparty/webkit/JavaScriptCore/runtime/StructureTransitionTable.h
index 0fa7b73..f39560a 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/StructureTransitionTable.h
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/StructureTransitionTable.h
@@ -143,14 +143,14 @@ namespace JSC {
             if (!specificValue) {
                 TransitionTable::iterator find = table()->find(key);
                 if (find == table()->end())
-                    table()->add(key, Transition(structure, 0));
+                    table()->add(key, Transition(structure, (Structure*)0));
                 else
                     find->second.first = structure;
             } else {
                 // If we're adding a transition to a specific value, then there cannot be
                 // an existing transition
                 ASSERT(!table()->contains(key));
-                table()->add(key, Transition(0, structure));
+                table()->add(key, Transition((Structure*)0, structure));
             }
         }
 
diff --git a/src/corelib/concurrent/qthreadpool.cpp b/src/corelib/concurrent/qthreadpool.cpp
index 9e4189e..a4057f1 100644
--- a/src/corelib/concurrent/qthreadpool.cpp
+++ b/src/corelib/concurrent/qthreadpool.cpp
@@ -41,6 +41,7 @@
 
 #include "qthreadpool.h"
 #include "qthreadpool_p.h"
+#include "qelapsedtimer.h"
 
 #ifndef QT_NO_THREAD
 
@@ -288,11 +289,18 @@ void QThreadPoolPrivate::reset()
     isExiting = false;
 }
 
-void QThreadPoolPrivate::waitForDone()
+void QThreadPoolPrivate::waitForDone(int msecs)
 {
     QMutexLocker locker(&mutex);
-    while (!(queue.isEmpty() && activeThreads == 0))
-        noActiveThreads.wait(locker.mutex());
+    if (msecs < 0){
+        while (!(queue.isEmpty() && activeThreads == 0))
+            noActiveThreads.wait(locker.mutex());
+    } else {
+        QElapsedTimer timer;
+        timer.start();
+        while (!(queue.isEmpty() && activeThreads == 0) && (timer.elapsed() < msecs))
+            noActiveThreads.wait(locker.mutex(), msecs - timer.elapsed());
+    }
 }
 
 /*! \internal
@@ -610,10 +618,10 @@ void QThreadPool::releaseThread()
 /*!
     Waits for each thread to exit and removes all threads from the thread pool.
 */
-void QThreadPool::waitForDone()
+void QThreadPool::waitForDone(int msecs)
 {
     Q_D(QThreadPool);
-    d->waitForDone();
+    d->waitForDone(msecs);
     d->reset();
 }
 
diff --git a/src/corelib/concurrent/qthreadpool.h b/src/corelib/concurrent/qthreadpool.h
index cc1e059..9895c41 100644
--- a/src/corelib/concurrent/qthreadpool.h
+++ b/src/corelib/concurrent/qthreadpool.h
@@ -84,7 +84,7 @@ public:
     void reserveThread();
     void releaseThread();
 
-    void waitForDone();
+    void waitForDone(int msecs = -1);
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/concurrent/qthreadpool_p.h b/src/corelib/concurrent/qthreadpool_p.h
index 8a2cf98..1a0e4ab 100644
--- a/src/corelib/concurrent/qthreadpool_p.h
+++ b/src/corelib/concurrent/qthreadpool_p.h
@@ -82,7 +82,7 @@ public:
 
     void startThread(QRunnable *runnable = 0);
     void reset();
-    void waitForDone();
+    void waitForDone(int msecs = -1);
     bool startFrontRunnable();
     void stealRunnable(QRunnable *);
 
diff --git a/src/corelib/io/qwindowspipewriter.cpp b/src/corelib/io/qwindowspipewriter.cpp
index eb42c20..417439f 100644
--- a/src/corelib/io/qwindowspipewriter.cpp
+++ b/src/corelib/io/qwindowspipewriter.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include "qwindowspipewriter_p.h"
+#include <string.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -100,7 +101,8 @@ qint64 QWindowsPipeWriter::write(const char *ptr, qint64 maxlen)
 
 void QWindowsPipeWriter::run()
 {
-    OVERLAPPED overl = {0, 0, {{ 0 }}, 0};
+    OVERLAPPED overl;
+    memset(&overl, 0, sizeof overl);
     overl.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
     forever {
         lock.lock();
diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri
index d0dad49..1851e04 100644
--- a/src/corelib/kernel/kernel.pri
+++ b/src/corelib/kernel/kernel.pri
@@ -33,7 +33,6 @@ HEADERS += \
         kernel/qsystemsemaphore.h \
         kernel/qsystemsemaphore_p.h \
         kernel/qfunctions_p.h \
-        kernel/qguard_p.h \
         kernel/qmath.h
 
 SOURCES += \
diff --git a/src/corelib/kernel/qguard_p.h b/src/corelib/kernel/qguard_p.h
deleted file mode 100644
index 0f7fd94..0000000
--- a/src/corelib/kernel/qguard_p.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtCore module 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.
-**
-** 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QGUARD_P_H
-#define QGUARD_P_H
-
-//
-//  W A R N I N G
-//  -------------
-//
-// This file is not part of the Qt API.  It exists for the convenience
-// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header
-// file may change from version to version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include "QtCore/qglobal.h"
-
-QT_BEGIN_NAMESPACE
-
-class QObject;
-template<class T>
-class QGuard
-{
-    QObject *o;
-    QGuard<QObject> *next;
-    QGuard<QObject> **prev;
-    friend void q_guard_addGuard(QGuard<QObject> *);
-    friend void q_guard_removeGuard(QGuard<QObject> *);
-    friend class QObjectPrivate;
-public:
-    inline QGuard();
-    inline QGuard(T *);
-    inline QGuard(const QGuard<T> &);
-    inline virtual ~QGuard();
-
-    inline QGuard<T> &operator=(const QGuard<T> &o);
-    inline QGuard<T> &operator=(T *);
-    
-    inline bool isNull() const
-        { return !o; }
-
-    inline T* operator->() const
-        { return static_cast<T*>(const_cast<QObject*>(o)); }
-    inline T& operator*() const
-        { return *static_cast<T*>(const_cast<QObject*>(o)); }
-    inline operator T*() const
-        { return static_cast<T*>(const_cast<QObject*>(o)); }
-    inline T* data() const
-        { return static_cast<T*>(const_cast<QObject*>(o)); }
-
-protected:
-    virtual void objectDestroyed(T *) {}
-};
-
-QT_END_NAMESPACE
-
-#include "private/qobject_p.h"
-
-QT_BEGIN_NAMESPACE
-
-inline void q_guard_addGuard(QGuard<QObject> *);
-inline void q_guard_removeGuard(QGuard<QObject> *);
-
-template<class T>
-QGuard<T>::QGuard()
-: o(0), next(0), prev(0)
-{
-}
-
-template<class T>
-QGuard<T>::QGuard(T *g)
-: o(g), next(0), prev(0)
-{
-    if (o) q_guard_addGuard(reinterpret_cast<QGuard<QObject> *>(this));
-}
-
-template<class T>
-QGuard<T>::QGuard(const QGuard<T> &g)
-: o(g.o), next(0), prev(0)
-{
-    if (o) q_guard_addGuard(reinterpret_cast<QGuard<QObject> *>(this));
-}
-
-template<class T>
-QGuard<T>::~QGuard()
-{
-    if (prev) q_guard_removeGuard(reinterpret_cast<QGuard<QObject> *>(this));
-    o = 0;
-}
-
-template<class T>
-QGuard<T> &QGuard<T>::operator=(const QGuard<T> &g)
-{
-    if (g.o != o) {
-        if (prev) 
-            q_guard_removeGuard(reinterpret_cast<QGuard<QObject> *>(this));
-        o = g.o;
-        if (o) q_guard_addGuard(reinterpret_cast<QGuard<QObject> *>(this));
-    }
-    return *this;
-}
-
-template<class T>
-inline QGuard<T> &QGuard<T>::operator=(T *g)
-{
-    if (g != o) {
-        if (prev) 
-            q_guard_removeGuard(reinterpret_cast<QGuard<QObject> *>(this));
-        o = g;
-        if (o) q_guard_addGuard(reinterpret_cast<QGuard<QObject> *>(this));
-    }
-    return *this;
-}
-
-QT_END_NAMESPACE
-
-#endif // QGUARD_P_H
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 68f34ca..dbc6be2 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -496,15 +496,6 @@ void QMetaObject::changeGuard(QObject **ptr, QObject *o)
 void QObjectPrivate::clearGuards(QObject *object)
 {
     QObjectPrivate *priv = QObjectPrivate::get(object);
-    QGuard<QObject> *guard = priv->extraData ? priv->extraData->objectGuards : 0;
-    while (guard) {
-        QGuard<QObject> *g = guard;
-        guard = guard->next;
-        g->o = 0;
-        g->prev = 0;
-        g->next = 0;
-        g->objectDestroyed(object);
-    }
 
     if (!priv->hasGuards)
         return;
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index 20e3da1..3b59abb 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -60,7 +60,6 @@
 #include "QtCore/qvector.h"
 #include "QtCore/qreadwritelock.h"
 #include "QtCore/qvariant.h"
-#include "private/qguard_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -100,13 +99,12 @@ class Q_CORE_EXPORT QObjectPrivate : public QObjectData
 public:
     struct ExtraData
     {
-        ExtraData() : objectGuards(0) {}
+        ExtraData() {}
 #ifndef QT_NO_USERDATA
         QVector<QObjectUserData *> userData;
 #endif
         QList<QByteArray> propertyNames;
         QList<QVariant> propertyValues;
-        QGuard<QObject> *objectGuards; //linked list handle of QGuards
     };
 
     struct Connection
@@ -224,33 +222,6 @@ inline bool QObjectPrivate::isSignalConnected(uint signal_index) const
 }
 
 
-inline void q_guard_addGuard(QGuard<QObject> *g)
-{
-    QObjectPrivate *p = QObjectPrivate::get(g->o);
-    if (p->wasDeleted) {
-        qWarning("QGuard: cannot add guard to deleted object");
-        g->o = 0;
-        return;
-    }
-
-    if (!p->extraData)
-        p->extraData = new QObjectPrivate::ExtraData;
-
-    g->next = p->extraData->objectGuards;
-    p->extraData->objectGuards = g;
-    g->prev = &p->extraData->objectGuards;
-    if (g->next)
-        g->next->prev = &g->next;
-}
-
-inline void q_guard_removeGuard(QGuard<QObject> *g)
-{
-    if (g->next) g->next->prev = g->prev;
-    *g->prev = g->next;
-    g->next = 0;
-    g->prev = 0;
-}
-
 Q_DECLARE_TYPEINFO(QObjectPrivate::Connection, Q_MOVABLE_TYPE);
 Q_DECLARE_TYPEINFO(QObjectPrivate::Sender, Q_MOVABLE_TYPE);
 
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp
index 54a4205..dc1666a 100644
--- a/src/corelib/tools/qdatetime.cpp
+++ b/src/corelib/tools/qdatetime.cpp
@@ -2315,17 +2315,35 @@ void QDateTime::setTimeSpec(Qt::TimeSpec spec)
     }
 }
 
-static uint toTime_tHelper(const QDate &utcDate, const QTime &utcTime)
+qint64 toMSecsSinceEpoch_helper(qint64 jd, int msecs)
 {
-    int days = QDate(1970, 1, 1).daysTo(utcDate);
-    int secs = QTime().secsTo(utcTime);
-    if (days < 0 || (days == 0 && secs < 0))
-        return uint(-1);
+    int days = jd - julianDayFromGregorianDate(1970, 1, 1);
+    qint64 retval = (qlonglong(days) * MSECS_PER_DAY) + msecs;
+    return retval;
+}
 
-    qlonglong retval = (qlonglong(days) * SECS_PER_DAY) + secs;
-    if (retval >= Q_INT64_C(0xFFFFFFFF))
-        return uint(-1);
-    return uint(retval);
+/*!
+    \since 4.7
+
+    Returns the datetime as the number of milliseconds 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.
+
+    The behavior for this function is undefined if the datetime stored in
+    this object is not valid. However, for all valid dates, this function
+    returns a unique value.
+
+    \sa toTime_t(), setMSecsSinceEpoch()
+*/
+qint64 QDateTime::toMSecsSinceEpoch() const
+{
+    QDate utcDate;
+    QTime utcTime;
+    d->getUTC(utcDate, utcTime);
+
+    return toMSecsSinceEpoch_helper(utcDate.jd, utcTime.ds());
 }
 
 /*!
@@ -2335,16 +2353,63 @@ static uint toTime_tHelper(const QDate &utcDate, const QTime &utcTime)
     On systems that do not support time zones, this function will
     behave as if local time were Qt::UTC.
 
-    \sa setTime_t()
+    \note This function returns a 32-bit unsigned integer, so it does not
+    support dates before 1970, but it does support dates after
+    2038-01-19T03:14:06, which may not be valid time_t values. Be careful
+    when passing those time_t values to system functions, which could
+    interpret them as negative dates.
+
+    If the date is outside the range 1970-01-01T00:00:00 to
+    2106-02-07T06:28:14, this function returns -1 cast to an unsigned integer
+    (i.e., 0xFFFFFFFF).
+
+    To get an extended range, use toMSecsSinceEpoch().
+
+    \sa toMSecsSinceEpoch(), setTime_t()
 */
 
 uint QDateTime::toTime_t() const
 {
-    QDate utcDate;
-    QTime utcTime;
-    d->getUTC(utcDate, utcTime);
+    qint64 retval = toMSecsSinceEpoch() / 1000;
+    if (quint64(retval) >= Q_UINT64_C(0xFFFFFFFF))
+        return uint(-1);
+    return uint(retval);
+}
+
+/*!
+    \since 4.7
 
-    return toTime_tHelper(utcDate, utcTime);
+    Sets the date and time given the number of \a mulliseconds 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.
+
+    Note that there are possible values for \a msecs that lie outside the
+    valid range of QDateTime, both negative and positive. The behavior of
+    this function is undefined for those values.
+
+    \sa toMSecsSinceEpoch(), setTime_t()
+*/
+void QDateTime::setMSecsSinceEpoch(qint64 msecs)
+{
+    detach();
+
+    QDateTimePrivate::Spec oldSpec = d->spec;
+
+    int ddays = msecs / MSECS_PER_DAY;
+    msecs %= MSECS_PER_DAY;
+    if (msecs < 0) {
+        // negative
+        --ddays;
+        msecs += MSECS_PER_DAY;
+    }
+
+    d->date = QDate(1970, 1, 1).addDays(ddays);
+    d->time = QTime().addMSecs(msecs);
+    d->spec = QDateTimePrivate::UTC;
+
+    if (oldSpec != QDateTimePrivate::UTC)
+        d->spec = d->getLocal(d->date, d->time);
 }
 
 /*!
@@ -2813,7 +2878,7 @@ bool QDateTime::operator<(const QDateTime &other) const
 */
 
 /*!
-    \fn qint64 QDateTime::currentMsecsSinceEpoch()
+    \fn qint64 QDateTime::currentMSecsSinceEpoch()
     \since 4.7
 
     Returns the number of milliseconds since 1970-01-01T00:00:00 Universal
@@ -2876,7 +2941,7 @@ QDateTime QDateTime::currentDateTimeUtc()
     return QDateTime(d, t, Qt::UTC);
 }
 
-qint64 QDateTime::currentMsecsSinceEpoch()
+qint64 QDateTime::currentMSecsSinceEpoch()
 {
     QDate d;
     QTime t;
@@ -2940,7 +3005,7 @@ QDateTime QDateTime::currentDateTimeUtc()
     return QDateTime(d, ct, Qt::UTC);
 }
 
-qint64 QDateTime::currentMsecsSinceEpoch()
+qint64 QDateTime::currentMSecsSinceEpoch()
 {
     QDate d;
     QTime ct;
@@ -3057,7 +3122,7 @@ QDateTime QDateTime::currentDateTimeUtc()
     return dt;
 }
 
-qint64 QDateTime::currentMsecsSinceEpoch()
+qint64 QDateTime::currentMSecsSinceEpoch()
 {
     // posix compliant system
     // we have milliseconds
@@ -3088,6 +3153,27 @@ QDateTime QDateTime::fromTime_t(uint seconds)
 }
 
 /*!
+  \since 4.7
+
+  Returns a datetime whose date and time are the number of milliseconds \a msec
+  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.
+
+  Note that there are possible values for \a msecs that lie outside the valid
+  range of QDateTime, both negative and positive. The behavior of this
+  function is undefined for those values.
+
+  \sa toTime_t(), setTime_t()
+*/
+QDateTime QDateTime::fromMSecsSinceEpoch(qint64 msecs)
+{
+    QDateTime d;
+    d.setMSecsSinceEpoch(msecs);
+    return d;
+}
+
+/*!
  \since 4.4
  \internal
 
@@ -3841,7 +3927,8 @@ static QDateTimePrivate::Spec utcToLocal(QDate &date, QTime &time)
 {
     QDate fakeDate = adjustDate(date);
 
-    time_t secsSince1Jan1970UTC = toTime_tHelper(fakeDate, time);
+    // won't overflow because of fakeDate
+    time_t secsSince1Jan1970UTC = toMSecsSinceEpoch_helper(fakeDate.toJulianDay(), QTime().msecsTo(time)) / 1000;
     tm *brokenDown = 0;
 
 #if defined(Q_OS_WINCE)
@@ -3926,7 +4013,7 @@ static void localToUtc(QDate &date, QTime &time, int isdst)
     localTM.tm_year = fakeDate.year() - 1900;
     localTM.tm_isdst = (int)isdst;
 #if defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
-    time_t secsSince1Jan1970UTC = toTime_tHelper(fakeDate, time);
+    time_t secsSince1Jan1970UTC = toMSecsSinceEpoch_helper(fakeDate.toJulianDay(), QTime().msecsTo(time));
 #else
 #if defined(Q_OS_WIN)
     _tzset();
diff --git a/src/corelib/tools/qdatetime.h b/src/corelib/tools/qdatetime.h
index ef5968e..f445f1c 100644
--- a/src/corelib/tools/qdatetime.h
+++ b/src/corelib/tools/qdatetime.h
@@ -230,10 +230,12 @@ public:
     QDate date() const;
     QTime time() const;
     Qt::TimeSpec timeSpec() const;
+    qint64 toMSecsSinceEpoch() const;
     uint toTime_t() const;
     void setDate(const QDate &date);
     void setTime(const QTime &time);
     void setTimeSpec(Qt::TimeSpec spec);
+    void setMSecsSinceEpoch(qint64 msecs);
     void setTime_t(uint secsSince1Jan1970UTC);
 #ifndef QT_NO_DATESTRING
     QString toString(Qt::DateFormat f = Qt::TextDate) const;
@@ -267,7 +269,8 @@ public:
     static QDateTime fromString(const QString &s, const QString &format);
 #endif
     static QDateTime fromTime_t(uint secsSince1Jan1970UTC);
-    static qint64 currentMsecsSinceEpoch();
+    static QDateTime fromMSecsSinceEpoch(qint64 msecs);
+    static qint64 currentMSecsSinceEpoch();
 
 #ifdef QT3_SUPPORT
     inline QT3_SUPPORT void setTime_t(uint secsSince1Jan1970UTC, Qt::TimeSpec spec) {
diff --git a/src/corelib/tools/qelapsedtimer_generic.cpp b/src/corelib/tools/qelapsedtimer_generic.cpp
index 9b589c1..85986e6 100644
--- a/src/corelib/tools/qelapsedtimer_generic.cpp
+++ b/src/corelib/tools/qelapsedtimer_generic.cpp
@@ -98,7 +98,7 @@ void QElapsedTimer::start()
 qint64 QElapsedTimer::restart()
 {
     qint64 old = t1;
-    t1 = QDateTime::currentMsecsSinceEpoch();
+    t1 = QDateTime::currentMSecsSinceEpoch();
     t2 = 0;
     return t1 - old;
 }
@@ -112,7 +112,7 @@ qint64 QElapsedTimer::restart()
 */
 qint64 QElapsedTimer::elapsed() const
 {
-    return QDateTime::currentMsecsSinceEpoch() - t1;
+    return QDateTime::currentMSecsSinceEpoch() - t1;
 }
 
 /*!
diff --git a/src/corelib/tools/qelapsedtimer_unix.cpp b/src/corelib/tools/qelapsedtimer_unix.cpp
index 85d7fa8..2c4ea58 100644
--- a/src/corelib/tools/qelapsedtimer_unix.cpp
+++ b/src/corelib/tools/qelapsedtimer_unix.cpp
@@ -74,7 +74,7 @@ bool QElapsedTimer::isMonotonic()
     static int returnValue = 0;
 
     if (returnValue == 0) {
-#  if (_POSIX_MONOTONIC_CLOCK-0 < 0)
+#  if (_POSIX_MONOTONIC_CLOCK-0 < 0) || !defined(_SC_MONOTONIC_CLOCK)
         returnValue = -1;
 #  elif (_POSIX_MONOTONIC_CLOCK == 0)
         // detect if the system support monotonic timers
@@ -97,19 +97,19 @@ static inline QPair<long, long> do_gettime()
 #if (_POSIX_MONOTONIC_CLOCK-0 > 0)
     timespec ts;
     clock_gettime(CLOCK_MONOTONIC, &ts);
-    return qMakePair(ts.tv_sec, ts.tv_nsec);
+    return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec);
 #else
 #  if !defined(QT_NO_CLOCK_MONOTONIC) && !defined(QT_BOOTSTRAPPED)
     if (QElapsedTimer::isMonotonic()) {
         timespec ts;
         clock_gettime(CLOCK_MONOTONIC, &ts);
-        return qMakePair(ts.tv_sec, ts.tv_nsec);
+        return qMakePair<long,long>(ts.tv_sec, ts.tv_nsec);
     }
 #  endif
     // use gettimeofday
     timeval tv;
     ::gettimeofday(&tv, 0);
-    return qMakePair(tv.tv_sec, tv.tv_usec);
+    return qMakePair<long,long>(tv.tv_sec, tv.tv_usec);
 #endif
 }
 
diff --git a/src/declarative/graphicsitems/qdeclarativepathview_p.h b/src/declarative/graphicsitems/qdeclarativepathview_p.h
index 0079891..a00f4c0 100644
--- a/src/declarative/graphicsitems/qdeclarativepathview_p.h
+++ b/src/declarative/graphicsitems/qdeclarativepathview_p.h
@@ -77,7 +77,7 @@ class Q_DECLARATIVE_EXPORT QDeclarativePathView : public QDeclarativeItem
     Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
     Q_PROPERTY(int pathItemCount READ pathItemCount WRITE setPathItemCount NOTIFY pathItemCountChanged)
 
-    Q_ENUMS(HighlightRangeMode);
+    Q_ENUMS(HighlightRangeMode)
 
 public:
     QDeclarativePathView(QDeclarativeItem *parent=0);
diff --git a/src/gui/inputmethod/qximinputcontext_x11.cpp b/src/gui/inputmethod/qximinputcontext_x11.cpp
index 68ade38..d048b36 100644
--- a/src/gui/inputmethod/qximinputcontext_x11.cpp
+++ b/src/gui/inputmethod/qximinputcontext_x11.cpp
@@ -344,7 +344,13 @@ static XFontSet getFontSet(const QFont &f)
     return (fontsetCache[i] == (XFontSet)-1) ? 0 : fontsetCache[i];
 }
 
-
+extern bool qt_use_rtl_extensions; // from qapplication_x11.cpp
+#ifndef QT_NO_XKB
+extern void q_getLocaleAndDirection(QLocale *locale,
+                                  Qt::LayoutDirection *direction,
+                                  const QByteArray &layoutName,
+                                  const QByteArray &variantName);
+#endif
 
 QXIMInputContext::QXIMInputContext()
 {
@@ -375,6 +381,52 @@ QXIMInputContext::QXIMInputContext()
     else
         QXIMInputContext::create_xim();
 #endif // USE_X11R6_XIM
+
+#ifndef QT_NO_XKB
+    if (X11->use_xkb) {
+        QByteArray layoutName;
+        QByteArray variantName;
+
+        Atom type = XNone;
+        int format = 0;
+        ulong nitems = 0;
+        ulong bytesAfter = 0;
+        uchar *data = 0;
+        if (XGetWindowProperty(X11->display, RootWindow(X11->display, 0), ATOM(_XKB_RULES_NAMES), 0, 1024,
+                               false, XA_STRING, &type, &format, &nitems, &bytesAfter, &data) == Success
+            && type == XA_STRING && format == 8 && nitems > 2) {
+
+            char *names[5] = { 0, 0, 0, 0, 0 };
+            char *p = reinterpret_cast<char *>(data), *end = p + nitems;
+            int i = 0;
+            do {
+                names[i++] = p;
+                p += qstrlen(p) + 1;
+            } while (p < end);
+
+            QList<QByteArray> layoutNames = QByteArray::fromRawData(names[2], qstrlen(names[2])).split(',');
+            QList<QByteArray> variantNames = QByteArray::fromRawData(names[3], qstrlen(names[3])).split(',');
+            for (int i = 0; i < qMin(layoutNames.count(), variantNames.count()); ++i  ) {
+                QLocale keyboardInputLocale;
+                Qt::LayoutDirection keyboardInputDirection;
+                QByteArray variantName = variantNames.at(i);
+                const int dashPos = variantName.indexOf("-");
+                if (dashPos >= 0)
+                    variantName.truncate(dashPos);
+                q_getLocaleAndDirection(&keyboardInputLocale,
+                                      &keyboardInputDirection,
+                                      layoutNames.at(i),
+                                      variantName);
+                if (keyboardInputDirection == Qt::RightToLeft)
+                    qt_use_rtl_extensions = true;
+            }
+        }
+
+        if (data)
+            XFree(data);
+    }
+#endif // QT_NO_XKB
+
 }
 
 
diff --git a/src/gui/kernel/qkeymapper_x11.cpp b/src/gui/kernel/qkeymapper_x11.cpp
index 428ac3e..807959c 100644
--- a/src/gui/kernel/qkeymapper_x11.cpp
+++ b/src/gui/kernel/qkeymapper_x11.cpp
@@ -80,7 +80,7 @@ QT_BEGIN_NAMESPACE
       (((KeySym)(keysym) >= 0x11000000) && ((KeySym)(keysym) <= 0x1100FFFF))
 #endif
 
-static void getLocaleAndDirection(QLocale *locale,
+void q_getLocaleAndDirection(QLocale *locale,
                                   Qt::LayoutDirection *direction,
                                   const QByteArray &layoutName,
                                   const QByteArray &variantName)
@@ -523,7 +523,7 @@ void QKeyMapperPrivate::clearMappings()
         // if (keyboardLayoutName.isEmpty())
         //     qWarning("Qt: unable to determine keyboard layout, please talk to qt-bugs@trolltech.com"); ?
 
-        getLocaleAndDirection(&keyboardInputLocale,
+        q_getLocaleAndDirection(&keyboardInputLocale,
                               &keyboardInputDirection,
                               layoutName,
                               variantName);
@@ -534,7 +534,6 @@ void QKeyMapperPrivate::clearMappings()
                  << "direction ="
                  << keyboardInputDirection;
 #endif
-
         if (data)
             XFree(data);
     } else
diff --git a/src/gui/styles/qplastiquestyle.cpp b/src/gui/styles/qplastiquestyle.cpp
index 4ae9f79..fbb5e4d 100644
--- a/src/gui/styles/qplastiquestyle.cpp
+++ b/src/gui/styles/qplastiquestyle.cpp
@@ -5846,7 +5846,6 @@ void QPlastiqueStyle::polish(QApplication *app)
 void QPlastiqueStyle::polish(QPalette &pal)
 {
     QWindowsStyle::polish(pal);
-    pal.setBrush(QPalette::AlternateBase, pal.base().color().darker(110));
 #ifdef Q_WS_MAC
     pal.setBrush(QPalette::Shadow, Qt::black);
 #endif
diff --git a/src/gui/styles/qwindowsstyle.cpp b/src/gui/styles/qwindowsstyle.cpp
index 60c06ca..1653baa 100644
--- a/src/gui/styles/qwindowsstyle.cpp
+++ b/src/gui/styles/qwindowsstyle.cpp
@@ -3105,7 +3105,9 @@ void QWindowsStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComp
                 qDrawWinButton(p, copy.rect, shadePal, copy.state & (State_Sunken | State_On),
                                 &copy.palette.brush(QPalette::Button));
                 copy.rect.adjust(4, 1, -5, -1);
-                if (!enabled || !(sb->stepEnabled & QAbstractSpinBox::StepUpEnabled) ) {
+                if ((!enabled || !(sb->stepEnabled & QAbstractSpinBox::StepUpEnabled))
+                    && proxy()->styleHint(SH_EtchDisabledText, opt, widget) )
+                {
                     QStyleOptionSpinBox lightCopy = copy;
                     lightCopy.rect.adjust(1, 1, 1, 1);
                     lightCopy.palette.setBrush(QPalette::ButtonText, copy.palette.light());
@@ -3138,7 +3140,9 @@ void QWindowsStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComp
                 qDrawWinButton(p, copy.rect, shadePal, copy.state & (State_Sunken | State_On),
                                 &copy.palette.brush(QPalette::Button));
                 copy.rect.adjust(4, 0, -5, -1);
-                if (!enabled || !(sb->stepEnabled & QAbstractSpinBox::StepDownEnabled) ) {
+                if ((!enabled || !(sb->stepEnabled & QAbstractSpinBox::StepDownEnabled))
+                    && proxy()->styleHint(SH_EtchDisabledText, opt, widget) )
+                {
                     QStyleOptionSpinBox lightCopy = copy;
                     lightCopy.rect.adjust(1, 1, 1, 1);
                     lightCopy.palette.setBrush(QPalette::ButtonText, copy.palette.light());
diff --git a/src/gui/text/qstatictext.cpp b/src/gui/text/qstatictext.cpp
index 1fabf12..798ae37 100644
--- a/src/gui/text/qstatictext.cpp
+++ b/src/gui/text/qstatictext.cpp
@@ -553,8 +553,11 @@ void QStaticTextPrivate::paintText(const QPointF &pos, QPainter *p)
     } else {
         QTextDocument document;
         document.setDefaultFont(font);
+#ifndef QT_NO_TEXTHTMLPARSER
         document.setHtml(text);
-
+#else
+        document.setPlainText(text);
+#endif
         QRectF rect = maximumSize.isValid() ? QRectF(pos, maximumSize) : QRectF();
         document.adjustSize();
         p->save();
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 6864fe1..671dfc0 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -91,7 +91,7 @@
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_CONTEXTMENU
-#if defined(Q_WS_WIN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
 extern bool qt_use_rtl_extensions;
 #endif
 #endif
@@ -2080,7 +2080,7 @@ QMenu *QTextControl::createStandardContextMenu(const QPointF &pos, QWidget *pare
     }
 #endif
 
-#if defined(Q_WS_WIN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
     if ((d->interactionFlags & Qt::TextEditable) && qt_use_rtl_extensions) {
 #else
     if (d->interactionFlags & Qt::TextEditable) {
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index c16f18a..b1a27f2 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -108,7 +108,15 @@ QStyleOptionMenuItem QComboMenuDelegate::getStyleOption(const QStyleOptionViewIt
                                                         const QModelIndex &index) const
 {
     QStyleOptionMenuItem menuOption;
-    menuOption.palette = option.palette.resolve(QApplication::palette("QMenu"));
+
+    QPalette resolvedpalette = option.palette.resolve(QApplication::palette("QMenu"));
+    QVariant value = index.data(Qt::ForegroundRole);
+    if (qVariantCanConvert<QBrush>(value)) {
+        resolvedpalette.setBrush(QPalette::WindowText, qvariant_cast<QBrush>(value));
+        resolvedpalette.setBrush(QPalette::ButtonText, qvariant_cast<QBrush>(value));
+        resolvedpalette.setBrush(QPalette::Text, qvariant_cast<QBrush>(value));
+    }
+    menuOption.palette = resolvedpalette;
     menuOption.state = QStyle::State_None;
     if (mCombo->window()->isActiveWindow())
         menuOption.state = QStyle::State_Active;
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index 817547c..0b8dca9 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -2046,7 +2046,7 @@ void QLineEdit::contextMenuEvent(QContextMenuEvent *event)
     }
 }
 
-#if defined(Q_WS_WIN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
     extern bool qt_use_rtl_extensions;
 #endif
 
@@ -2118,7 +2118,7 @@ QMenu *QLineEdit::createStandardContextMenu()
     }
 #endif
 
-#if defined(Q_WS_WIN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
     if (!d->control->isReadOnly() && qt_use_rtl_extensions) {
 #else
     if (!d->control->isReadOnly()) {
diff --git a/src/gui/widgets/qvalidator.cpp b/src/gui/widgets/qvalidator.cpp
index 0b5cc5a..b75db45 100644
--- a/src/gui/widgets/qvalidator.cpp
+++ b/src/gui/widgets/qvalidator.cpp
@@ -523,7 +523,7 @@ public:
 
     In addition, QDoubleValidator is always guaranteed to accept a number
     formatted according to the "C" locale. QDoubleValidator will not accept
-    numbers with thousand-seperators.
+    numbers with thousand-separators.
 
     \sa QIntValidator, QRegExpValidator, {Line Edits Example}
 */
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index bc7684a..17b864c 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -670,7 +670,8 @@ void QHttpNetworkConnectionChannel::allDone()
             close();
         QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
     } else if (alreadyPipelinedRequests.isEmpty()) {
-        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
+        if (qobject_cast<QHttpNetworkConnection*>(connection))
+            QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
     }
 }
 
@@ -775,7 +776,8 @@ void QHttpNetworkConnectionChannel::handleStatus()
         }
         break;
     default:
-        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
+        if (qobject_cast<QHttpNetworkConnection*>(connection))
+            QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
     }
 }
 
@@ -823,7 +825,8 @@ void QHttpNetworkConnectionChannel::closeAndResendCurrentRequest()
     requeueCurrentlyPipelinedRequests();
     close();
     resendCurrent = true;
-    QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
+    if (qobject_cast<QHttpNetworkConnection*>(connection))
+        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
 }
 
 bool QHttpNetworkConnectionChannel::isSocketBusy() const
diff --git a/src/network/bearer/qnetworkconfigmanager.h b/src/network/bearer/qnetworkconfigmanager.h
index bb4d8a0..79bb27c 100644
--- a/src/network/bearer/qnetworkconfigmanager.h
+++ b/src/network/bearer/qnetworkconfigmanager.h
@@ -42,17 +42,26 @@
 #ifndef QNETWORKCONFIGURATIONMANAGER_H
 #define QNETWORKCONFIGURATIONMANAGER_H
 
+#ifdef QT_MOBILITY_BEARER
+# include "qmobilityglobal.h"
+#endif
+
 #include <QtCore/qobject.h>
 #include <QtNetwork/qnetworkconfiguration.h>
 
 QT_BEGIN_HEADER
 
+#ifndef QT_MOBILITY_BEARER
 QT_BEGIN_NAMESPACE
-
+#define QNetworkConfigurationManagerExport Q_NETWORK_EXPORT
 QT_MODULE(Network)
+#else
+QTM_BEGIN_NAMESPACE
+#define QNetworkConfigurationManagerExport Q_BEARER_EXPORT
+#endif
 
 class QNetworkConfigurationManagerPrivate;
-class Q_NETWORK_EXPORT QNetworkConfigurationManager : public QObject
+class QNetworkConfigurationManagerExport QNetworkConfigurationManager : public QObject
 {
     Q_OBJECT
 
@@ -94,7 +103,11 @@ Q_SIGNALS:
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QNetworkConfigurationManager::Capabilities)
 
+#ifndef QT_MOBILITY_BEARER
 QT_END_NAMESPACE
+#else
+QTM_END_NAMESPACE
+#endif
 
 QT_END_HEADER
 
diff --git a/src/network/bearer/qnetworkconfiguration.h b/src/network/bearer/qnetworkconfiguration.h
index dad6198..dce39eb 100644
--- a/src/network/bearer/qnetworkconfiguration.h
+++ b/src/network/bearer/qnetworkconfiguration.h
@@ -42,19 +42,33 @@
 #ifndef QNETWORKCONFIGURATION_H
 #define QNETWORKCONFIGURATION_H
 
-#include <QtCore/qglobal.h>
+#ifndef QT_MOBILITY_BEARER
+# include <QtCore/qglobal.h>
+#else
+# include "qmobilityglobal.h"
+#endif
+
 #include <QtCore/qshareddata.h>
 #include <QtCore/qstring.h>
 #include <QtCore/qlist.h>
 
+#if defined(Q_OS_WIN) && defined(interface)
+#undef interface
+#endif
+
 QT_BEGIN_HEADER
 
+#ifndef QT_MOBILITY_BEARER
 QT_BEGIN_NAMESPACE
-
 QT_MODULE(Network)
+#define QNetworkConfigurationExport Q_NETWORK_EXPORT
+#else
+QTM_BEGIN_NAMESPACE
+#define QNetworkConfigurationExport Q_BEARER_EXPORT
+#endif
 
 class QNetworkConfigurationPrivate;
-class Q_NETWORK_EXPORT QNetworkConfiguration
+class QNetworkConfigurationExport QNetworkConfiguration
 {
 public:
     QNetworkConfiguration();
@@ -108,7 +122,11 @@ private:
     QExplicitlySharedDataPointer<QNetworkConfigurationPrivate> d;
 };
 
+#ifndef QT_MOBILITY_BEARER
 QT_END_NAMESPACE
+#else
+QTM_END_NAMESPACE
+#endif
 
 QT_END_HEADER
 
diff --git a/src/network/bearer/qnetworksession.h b/src/network/bearer/qnetworksession.h
index 596f527..2911d0a 100644
--- a/src/network/bearer/qnetworksession.h
+++ b/src/network/bearer/qnetworksession.h
@@ -54,12 +54,19 @@
 
 QT_BEGIN_HEADER
 
+#ifndef QT_MOBILITY_BEARER
+#include <QtCore/qshareddata.h>
 QT_BEGIN_NAMESPACE
-
 QT_MODULE(Network)
+#define QNetworkSessionExport Q_NETWORK_EXPORT
+#else
+#include "qmobilityglobal.h"
+QTM_BEGIN_NAMESPACE
+#define QNetworkSessionExport Q_BEARER_EXPORT
+#endif
 
 class QNetworkSessionPrivate;
-class Q_NETWORK_EXPORT QNetworkSession : public QObject
+class QNetworkSessionExport QNetworkSession : public QObject
 {
     Q_OBJECT
 public:
@@ -80,8 +87,11 @@ public:
         OperationNotSupportedError,
         InvalidConfigurationError
     };
-
-    explicit QNetworkSession(const QNetworkConfiguration& connConfig, QObject* parent =0);
+#ifndef QT_MOBILITY_BEARER
+    QNetworkSession(const QNetworkConfiguration& connConfig, QObject* parent =0);
+#else
+	explicit QNetworkSession(const QNetworkConfiguration& connConfig, QObject* parent =0);
+#endif
     virtual ~QNetworkSession();
 
     bool isOpen() const;
@@ -131,7 +141,11 @@ private:
     friend class QNetworkSessionPrivate;
     };
 
+#ifndef QT_MOBILITY_BEARER
 QT_END_NAMESPACE
+#else
+QTM_END_NAMESPACE
+#endif
 
 QT_END_HEADER
 
diff --git a/src/plugins/bearer/nativewifi/platformdefs.h b/src/plugins/bearer/nativewifi/platformdefs.h
index 57ae852..d67525a 100644
--- a/src/plugins/bearer/nativewifi/platformdefs.h
+++ b/src/plugins/bearer/nativewifi/platformdefs.h
@@ -52,6 +52,8 @@
 #define WLAN_AVAILABLE_NETWORK_HAS_PROFILE 2
 #define DOT11_SSID_MAX_LENGTH 32
 
+QT_BEGIN_NAMESPACE
+
 struct WLAN_NOTIFICATION_DATA {
     DWORD NotificationSource;
     DWORD NotificationCode;
@@ -319,4 +321,6 @@ extern WlanScanProto local_WlanScan;
 extern WlanFreeMemoryProto local_WlanFreeMemory;
 extern WlanCloseHandleProto local_WlanCloseHandle;
 
+QT_END_NAMESPACE
+
 #endif // PLATFORMDEFS_H
diff --git a/src/plugins/bearer/platformdefs_win.h b/src/plugins/bearer/platformdefs_win.h
index 37d099c..1a10ba7 100644
--- a/src/plugins/bearer/platformdefs_win.h
+++ b/src/plugins/bearer/platformdefs_win.h
@@ -47,6 +47,8 @@
 #undef interface
 #include <winioctl.h>
 
+QT_BEGIN_NAMESPACE
+
 #ifndef NS_NLA
 
 #define NS_NLA 15
@@ -131,4 +133,6 @@ enum NDIS_PHYSICAL_MEDIUM {
 #define IOCTL_NDIS_QUERY_GLOBAL_STATS \
     CTL_CODE(FILE_DEVICE_PHYSICAL_NETCARD, 0, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
 
+QT_END_NAMESPACE
+
 #endif
diff --git a/src/script/api/qscriptcontext.cpp b/src/script/api/qscriptcontext.cpp
index b1732ee..639af80 100644
--- a/src/script/api/qscriptcontext.cpp
+++ b/src/script/api/qscriptcontext.cpp
@@ -161,6 +161,7 @@ QScriptContext::QScriptContext()
 QScriptValue QScriptContext::throwValue(const QScriptValue &value)
 {
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     JSC::JSValue jscValue = QScript::scriptEngineFromExec(frame)->scriptValueToJSCValue(value);
     frame->setException(jscValue);
     return value;
@@ -183,6 +184,7 @@ QScriptValue QScriptContext::throwValue(const QScriptValue &value)
 QScriptValue QScriptContext::throwError(Error error, const QString &text)
 {
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     JSC::ErrorType jscError = JSC::GeneralError;
     switch (error) {
     case UnknownError:
@@ -218,6 +220,7 @@ QScriptValue QScriptContext::throwError(Error error, const QString &text)
 QScriptValue QScriptContext::throwError(const QString &text)
 {
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     JSC::JSObject *result = JSC::throwError(frame, JSC::GeneralError, text);
     return QScript::scriptEngineFromExec(frame)->scriptValueFromJSCValue(result);
 }
@@ -265,6 +268,7 @@ QScriptValue QScriptContext::argument(int index) const
 QScriptValue QScriptContext::callee() const
 {
     const JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     return QScript::scriptEngineFromExec(frame)->scriptValueFromJSCValue(frame->callee());
 }
 
@@ -286,6 +290,7 @@ QScriptValue QScriptContext::callee() const
 QScriptValue QScriptContext::argumentsObject() const
 {
     JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this));
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
 
     if (frame == frame->lexicalGlobalObject()->globalExec()) {
         // <global> context doesn't have arguments. return an empty object
@@ -322,6 +327,7 @@ QScriptValue QScriptContext::argumentsObject() const
 bool QScriptContext::isCalledAsConstructor() const
 {
     JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this));
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
 
     //For native functions, look up flags.
     uint flags = QScriptEnginePrivate::contextFlags(frame);
@@ -355,6 +361,7 @@ bool QScriptContext::isCalledAsConstructor() const
 QScriptContext *QScriptContext::parentContext() const
 {
     const JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     JSC::CallFrame *callerFrame = frame->callerFrame()->removeHostCallFrameFlag();
     return QScriptEnginePrivate::contextForFrame(callerFrame);
 }
@@ -412,6 +419,7 @@ void QScriptContext::setReturnValue(const QScriptValue &result)
 QScriptValue QScriptContext::activationObject() const
 {
     JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this));
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     JSC::JSObject *result = 0;
 
     uint flags = QScriptEnginePrivate::contextFlags(frame);
@@ -477,6 +485,7 @@ void QScriptContext::setActivationObject(const QScriptValue &activation)
     }
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
     JSC::JSObject *object = JSC::asObject(engine->scriptValueToJSCValue(activation));
     if (object == engine->originalGlobalObjectProxy)
         object = engine->originalGlobalObject();
@@ -521,6 +530,7 @@ QScriptValue QScriptContext::thisObject() const
 {
     JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this));
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
     JSC::JSValue result = engine->thisForContext(frame);
     if (!result || result.isNull())
         result = frame->globalThisValue();
@@ -536,6 +546,7 @@ QScriptValue QScriptContext::thisObject() const
 void QScriptContext::setThisObject(const QScriptValue &thisObject)
 {
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
+    QScript::APIShim shim(QScript::scriptEngineFromExec(frame));
     if (!thisObject.isObject())
         return;
     if (thisObject.engine() != engine()) {
@@ -662,6 +673,7 @@ QScriptValueList QScriptContext::scopeChain() const
     activationObject(); //ensure the creation of the normal scope for native context
     const JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
     QScriptValueList result;
     JSC::ScopeChainNode *node = frame->scopeChain();
     JSC::ScopeChainIterator it(node);
@@ -700,6 +712,7 @@ void QScriptContext::pushScope(const QScriptValue &object)
     }
     JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(this);
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
     JSC::JSObject *jscObject = JSC::asObject(engine->scriptValueToJSCValue(object));
     if (jscObject == engine->originalGlobalObjectProxy)
         jscObject = engine->originalGlobalObject();
@@ -733,6 +746,7 @@ QScriptValue QScriptContext::popScope()
     JSC::ScopeChainNode *scope = frame->scopeChain();
     Q_ASSERT(scope != 0);
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
     QScriptValue result = engine->scriptValueFromJSCValue(scope->object);
     if (!scope->next) {
         // We cannot have a null scope chain, so just zap the object pointer.
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index b322523..3e5249a 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -915,7 +915,7 @@ QScriptEnginePrivate::QScriptEnginePrivate()
 
 QScriptEnginePrivate::~QScriptEnginePrivate()
 {
-    JSC::setCurrentIdentifierTable(globalData->identifierTable);
+    QScript::APIShim shim(this);
 
     //disconnect all loadedScripts and generate all jsc::debugger::scriptUnload events
     QHash<intptr_t,QScript::UStringSourceProviderWithFeedback*>::const_iterator it;
@@ -1899,6 +1899,7 @@ QScriptEngine::~QScriptEngine()
 QScriptValue QScriptEngine::globalObject() const
 {
     Q_D(const QScriptEngine);
+    QScript::APIShim shim(const_cast<QScriptEnginePrivate*>(d));
     JSC::JSObject *result = d->globalObject();
     return const_cast<QScriptEnginePrivate*>(d)->scriptValueFromJSCValue(result);
 }
@@ -1920,6 +1921,7 @@ void QScriptEngine::setGlobalObject(const QScriptValue &object)
     Q_D(QScriptEngine);
     if (!object.isObject())
         return;
+    QScript::APIShim shim(d);
     JSC::JSObject *jscObject = JSC::asObject(d->scriptValueToJSCValue(object));
     d->setGlobalObject(jscObject);
 }
@@ -1976,6 +1978,7 @@ QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionSignature fun,
                                         int length)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::ExecState* exec = d->currentFrame;
     JSC::JSValue function = new (exec)QScript::FunctionWrapper(exec, length, JSC::Identifier(exec, ""), fun);
     QScriptValue result = d->scriptValueFromJSCValue(function);
@@ -1999,6 +2002,7 @@ extern QString qt_regexp_toCanonical(const QString &, QRegExp::PatternSyntax);
 QScriptValue QScriptEngine::newRegExp(const QRegExp &regexp)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newRegExp(d->currentFrame, regexp));
 }
 
@@ -2017,6 +2021,7 @@ QScriptValue QScriptEngine::newRegExp(const QRegExp &regexp)
 QScriptValue QScriptEngine::newVariant(const QVariant &value)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newVariant(value));
 }
 
@@ -2050,6 +2055,7 @@ QScriptValue QScriptEngine::newVariant(const QScriptValue &object,
                                        const QVariant &value)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::JSValue jsObject = d->scriptValueToJSCValue(object);
     return d->scriptValueFromJSCValue(d->newVariant(jsObject, value));
 }
@@ -2081,6 +2087,7 @@ QScriptValue QScriptEngine::newQObject(QObject *object, ValueOwnership ownership
                                        const QObjectWrapOptions &options)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::JSValue jscQObject = d->newQObject(object, ownership, options);
     return d->scriptValueFromJSCValue(jscQObject);
 }
@@ -2117,8 +2124,10 @@ QScriptValue QScriptEngine::newQObject(const QScriptValue &scriptObject,
                                        ValueOwnership ownership,
                                        const QObjectWrapOptions &options)
 {
+    Q_D(QScriptEngine);
     if (!scriptObject.isObject())
         return newQObject(qtObject, ownership, options);
+    QScript::APIShim shim(d);
     JSC::JSObject *jscObject = JSC::asObject(QScriptValuePrivate::get(scriptObject)->jscValue);
     if (!jscObject->inherits(&QScriptObject::info)) {
         qWarning("QScriptEngine::newQObject(): changing class of non-QScriptObject not supported");
@@ -2149,6 +2158,7 @@ QScriptValue QScriptEngine::newQObject(const QScriptValue &scriptObject,
 QScriptValue QScriptEngine::newObject()
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newObject());
 }
 
@@ -2170,6 +2180,7 @@ QScriptValue QScriptEngine::newObject(QScriptClass *scriptClass,
                                       const QScriptValue &data)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::ExecState* exec = d->currentFrame;
     QScriptObject *result = new (exec) QScriptObject(d->scriptObjectStructure);
     result->setDelegate(new QScript::ClassObjectDelegate(scriptClass));
@@ -2237,6 +2248,7 @@ QScriptValue QScriptEngine::newActivationObject()
 QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionSignature fun, int length)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::ExecState* exec = d->currentFrame;
     JSC::JSValue function = new (exec)QScript::FunctionWrapper(exec, length, JSC::Identifier(exec, ""), fun);
     QScriptValue result = d->scriptValueFromJSCValue(function);
@@ -2254,6 +2266,7 @@ QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionSignature fun, in
 QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionWithArgSignature fun, void *arg)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::ExecState* exec = d->currentFrame;
     JSC::JSValue function = new (exec)QScript::FunctionWithArgWrapper(exec, /*length=*/0, JSC::Identifier(exec, ""), fun, arg);
     QScriptValue result = d->scriptValueFromJSCValue(function);
@@ -2272,6 +2285,7 @@ QScriptValue QScriptEngine::newFunction(QScriptEngine::FunctionWithArgSignature
 QScriptValue QScriptEngine::newArray(uint length)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newArray(d->currentFrame, length));
 }
 
@@ -2285,6 +2299,7 @@ QScriptValue QScriptEngine::newArray(uint length)
 QScriptValue QScriptEngine::newRegExp(const QString &pattern, const QString &flags)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newRegExp(d->currentFrame, pattern, flags));
 }
 
@@ -2296,6 +2311,7 @@ QScriptValue QScriptEngine::newRegExp(const QString &pattern, const QString &fla
 QScriptValue QScriptEngine::newDate(qsreal value)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newDate(d->currentFrame, value));
 }
 
@@ -2307,6 +2323,7 @@ QScriptValue QScriptEngine::newDate(qsreal value)
 QScriptValue QScriptEngine::newDate(const QDateTime &value)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->newDate(d->currentFrame, value));
 }
 
@@ -2330,6 +2347,7 @@ QScriptValue QScriptEngine::newQMetaObject(
     const QMetaObject *metaObject, const QScriptValue &ctor)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::JSValue jscCtor = d->scriptValueToJSCValue(ctor);
     JSC::JSValue jscQMetaObject = d->newQMetaObject(metaObject, jscCtor);
     return d->scriptValueFromJSCValue(jscQMetaObject);
@@ -2582,6 +2600,7 @@ QScriptContext *QScriptEngine::currentContext() const
 QScriptContext *QScriptEngine::pushContext()
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
 
     JSC::CallFrame* newFrame = d->pushContext(d->currentFrame, d->currentFrame->globalData().dynamicGlobalObject,
                                               JSC::ArgList(), /*callee = */0);
@@ -2673,6 +2692,7 @@ void QScriptEngine::popContext()
     if (agent())
         agent()->contextPop();
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     if (d->currentFrame->returnPC() != 0 || d->currentFrame->codeBlock() != 0
         || !currentContext()->parentContext()) {
         qWarning("QScriptEngine::popContext() doesn't match with pushContext()");
@@ -2868,6 +2888,7 @@ void QScriptEngine::setDefaultPrototype(int metaTypeId, const QScriptValue &prot
 QScriptValue QScriptEngine::create(int type, const void *ptr)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return d->scriptValueFromJSCValue(d->create(d->currentFrame, type, ptr));
 }
 
@@ -3277,6 +3298,7 @@ bool QScriptEnginePrivate::hasDemarshalFunction(int type) const
 bool QScriptEngine::convert(const QScriptValue &value, int type, void *ptr)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     return QScriptEnginePrivate::convertValue(d->currentFrame, d->scriptValueToJSCValue(value), type, ptr);
 }
 
@@ -3309,6 +3331,7 @@ void QScriptEngine::registerCustomType(int type, MarshalFunction mf,
                                        const QScriptValue &prototype)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     QScriptTypeInfo *info = d->m_typeInfos.value(type);
     if (!info) {
         info = new QScriptTypeInfo();
@@ -3341,6 +3364,7 @@ void QScriptEngine::registerCustomType(int type, MarshalFunction mf,
 void QScriptEngine::installTranslatorFunctions(const QScriptValue &object)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::ExecState* exec = d->currentFrame;
     JSC::JSValue jscObject = d->scriptValueToJSCValue(object);
     JSC::JSGlobalObject *glob = d->originalGlobalObject();
@@ -3374,6 +3398,7 @@ QScriptValue QScriptEngine::importExtension(const QString &extension)
     Q_UNUSED(extension);
 #else
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     if (d->importedExtensions.contains(extension))
         return undefinedValue(); // already imported
 
@@ -4014,6 +4039,7 @@ bool qScriptConnect(QObject *sender, const char *signal,
     if (receiver.isObject() && (receiver.engine() != function.engine()))
         return false;
     QScriptEnginePrivate *engine = QScriptEnginePrivate::get(function.engine());
+    QScript::APIShim shim(engine);
     JSC::JSValue jscReceiver = engine->scriptValueToJSCValue(receiver);
     JSC::JSValue jscFunction = engine->scriptValueToJSCValue(function);
     return engine->scriptConnect(sender, signal, jscReceiver, jscFunction,
@@ -4040,6 +4066,7 @@ bool qScriptDisconnect(QObject *sender, const char *signal,
     if (receiver.isObject() && (receiver.engine() != function.engine()))
         return false;
     QScriptEnginePrivate *engine = QScriptEnginePrivate::get(function.engine());
+    QScript::APIShim shim(engine);
     JSC::JSValue jscReceiver = engine->scriptValueToJSCValue(receiver);
     JSC::JSValue jscFunction = engine->scriptValueToJSCValue(function);
     return engine->scriptDisconnect(sender, signal, jscReceiver, jscFunction);
@@ -4145,6 +4172,7 @@ QScriptString QScriptEngine::toStringHandle(const QString &str)
 QScriptValue QScriptEngine::toObject(const QScriptValue &value)
 {
     Q_D(QScriptEngine);
+    QScript::APIShim shim(d);
     JSC::JSValue jscValue = d->scriptValueToJSCValue(value);
     if (!jscValue || jscValue.isUndefined() || jscValue.isNull())
         return QScriptValue();
diff --git a/src/script/api/qscriptengine_p.h b/src/script/api/qscriptengine_p.h
index 70ab7c9..5c2007f 100644
--- a/src/script/api/qscriptengine_p.h
+++ b/src/script/api/qscriptengine_p.h
@@ -798,7 +798,6 @@ inline void QScriptEnginePrivate::unregisterScriptString(QScriptStringPrivate *v
         registeredScriptStrings = value->next;
     value->prev = 0;
     value->next = 0;
-    JSC::setCurrentIdentifierTable(globalData->identifierTable);
 }
 
 inline QScriptContext *QScriptEnginePrivate::contextForFrame(JSC::ExecState *frame)
diff --git a/src/script/api/qscriptstring.cpp b/src/script/api/qscriptstring.cpp
index 7978b61..d0b0ffd 100644
--- a/src/script/api/qscriptstring.cpp
+++ b/src/script/api/qscriptstring.cpp
@@ -92,8 +92,12 @@ QScriptString::~QScriptString()
             d->ref.ref(); // avoid deletion
             break;
         case QScriptStringPrivate::HeapAllocated:
-            if (d->engine && (d->ref == 1))
+            if (d->engine && (d->ref == 1)) {
+                // Make sure the identifier is removed from the correct engine.
+                QScript::APIShim(d->engine);
+                d->identifier = JSC::Identifier();
                 d->engine->unregisterScriptString(d);
+            }
             break;
         }
     }
diff --git a/src/script/api/qscriptvalueiterator.cpp b/src/script/api/qscriptvalueiterator.cpp
index 7fd7093..c58c046 100644
--- a/src/script/api/qscriptvalueiterator.cpp
+++ b/src/script/api/qscriptvalueiterator.cpp
@@ -139,6 +139,12 @@ QScriptValueIterator::QScriptValueIterator(const QScriptValue &object)
 */
 QScriptValueIterator::~QScriptValueIterator()
 {
+    Q_D(QScriptValueIterator);
+    if (d && d->engine()) {
+        // Make sure identifiers are removed from the correct engine.
+        QScript::APIShim shim(d->engine());
+        d->propertyNames.clear();
+    }
 }
 
 /*!
diff --git a/src/script/bridge/qscriptdeclarativeclass.cpp b/src/script/bridge/qscriptdeclarativeclass.cpp
index 0f450ca..1093448 100644
--- a/src/script/bridge/qscriptdeclarativeclass.cpp
+++ b/src/script/bridge/qscriptdeclarativeclass.cpp
@@ -154,9 +154,12 @@ QScriptDeclarativeClass::PersistentIdentifier::PersistentIdentifier()
 
 QScriptDeclarativeClass::PersistentIdentifier::~PersistentIdentifier()
 {
-    if (engine)
-        JSC::setCurrentIdentifierTable(engine->globalData->identifierTable);
-    ((JSC::Identifier &)d).JSC::Identifier::~Identifier();
+    if (engine) {
+        QScript::APIShim shim(engine);
+        ((JSC::Identifier &)d).JSC::Identifier::~Identifier();
+    } else {
+        ((JSC::Identifier &)d).JSC::Identifier::~Identifier();
+    }
 }
 
 QScriptDeclarativeClass::PersistentIdentifier::PersistentIdentifier(const PersistentIdentifier &other)
@@ -190,7 +193,8 @@ QScriptValue QScriptDeclarativeClass::newObject(QScriptEngine *engine,
     Q_ASSERT(engine);
     Q_ASSERT(scriptClass);
 
-    QScriptEnginePrivate *p = static_cast<QScriptEnginePrivate *>(QObjectPrivate::get(engine)); 
+    QScriptEnginePrivate *p = static_cast<QScriptEnginePrivate *>(QObjectPrivate::get(engine));
+    QScript::APIShim shim(p);
 
     JSC::ExecState* exec = p->currentFrame;
     QScriptObject *result = new (exec) QScriptObject(p->scriptObjectStructure);
@@ -207,6 +211,7 @@ QScriptDeclarativeClass::newObjectValue(QScriptEngine *engine,
     Q_ASSERT(scriptClass);
 
     QScriptEnginePrivate *p = static_cast<QScriptEnginePrivate *>(QObjectPrivate::get(engine)); 
+    QScript::APIShim shim(p);
 
     JSC::ExecState* exec = p->currentFrame;
     QScriptObject *result = new (exec) QScriptObject(p->scriptObjectStructure);
@@ -237,6 +242,7 @@ QScriptValue QScriptDeclarativeClass::function(const QScriptValue &v, const Iden
     if (!d->isObject())
         return QScriptValue();
 
+    QScript::APIShim shim(d->engine);
     JSC::ExecState *exec = d->engine->currentFrame;
     JSC::JSObject *object = d->jscValue.getObject();
     JSC::PropertySlot slot(const_cast<JSC::JSObject*>(object));
@@ -260,6 +266,7 @@ QScriptValue QScriptDeclarativeClass::property(const QScriptValue &v, const Iden
     if (!d->isObject())
         return QScriptValue();
 
+    QScript::APIShim shim(d->engine);
     JSC::ExecState *exec = d->engine->currentFrame;
     JSC::JSObject *object = d->jscValue.getObject();
     JSC::PropertySlot slot(const_cast<JSC::JSObject*>(object));
@@ -283,6 +290,7 @@ QScriptDeclarativeClass::functionValue(const QScriptValue &v, const Identifier &
     if (!d->isObject())
         return Value();
 
+    QScript::APIShim shim(d->engine);
     JSC::ExecState *exec = d->engine->currentFrame;
     JSC::JSObject *object = d->jscValue.getObject();
     JSC::PropertySlot slot(const_cast<JSC::JSObject*>(object));
@@ -307,6 +315,7 @@ QScriptDeclarativeClass::propertyValue(const QScriptValue &v, const Identifier &
     if (!d->isObject())
         return Value();
 
+    QScript::APIShim shim(d->engine);
     JSC::ExecState *exec = d->engine->currentFrame;
     JSC::JSObject *object = d->jscValue.getObject();
     JSC::PropertySlot slot(const_cast<JSC::JSObject*>(object));
@@ -332,6 +341,7 @@ QScriptValue QScriptDeclarativeClass::scopeChainValue(QScriptContext *context, i
     context->activationObject(); //ensure the creation of the normal scope for native context
     const JSC::CallFrame *frame = QScriptEnginePrivate::frameForContext(context);
     QScriptEnginePrivate *engine = QScript::scriptEngineFromExec(frame);
+    QScript::APIShim shim(engine);
 
     JSC::ScopeChainNode *node = frame->scopeChain();
     JSC::ScopeChainIterator it(node);
@@ -392,6 +402,7 @@ QScriptContext * QScriptDeclarativeClass::pushCleanContext(QScriptEngine *engine
         return 0;
 
     QScriptEnginePrivate *d = QScriptEnginePrivate::get(engine);
+    QScript::APIShim shim(d);
 
     JSC::CallFrame* newFrame = d->pushContext(d->currentFrame, 
                                               d->currentFrame->globalData().dynamicGlobalObject,
@@ -427,6 +438,7 @@ QScriptDeclarativeClass::createPersistentIdentifier(const QString &str)
 {
     QScriptEnginePrivate *p = 
         static_cast<QScriptEnginePrivate *>(QObjectPrivate::get(d_ptr->engine)); 
+    QScript::APIShim shim(p);
     JSC::ExecState* exec = p->currentFrame;
 
     PersistentIdentifier rv(p);
@@ -440,6 +452,7 @@ QScriptDeclarativeClass::createPersistentIdentifier(const Identifier &id)
 {
     QScriptEnginePrivate *p = 
         static_cast<QScriptEnginePrivate *>(QObjectPrivate::get(d_ptr->engine)); 
+    QScript::APIShim shim(p);
     JSC::ExecState* exec = p->currentFrame;
 
     PersistentIdentifier rv(p);
diff --git a/src/tools/uic/cpp/cppextractimages.cpp b/src/tools/uic/cpp/cppextractimages.cpp
index d452168..52c1b9d 100644
--- a/src/tools/uic/cpp/cppextractimages.cpp
+++ b/src/tools/uic/cpp/cppextractimages.cpp
@@ -134,7 +134,7 @@ void ExtractImages::acceptImage(DomImage *image)
         QTextStream *imageOut = new QTextStream(&f);
         imageOut->setCodec(QTextCodec::codecForName("UTF-8"));
 
-        CPP::WriteIconData::writeImage(*imageOut, QString(), image);
+        CPP::WriteIconData::writeImage(*imageOut, QString(), m_option.limitXPM_LineLength, image);
         delete imageOut;
     } else {
         CPP::WriteIconData::writeImage(f, image);
diff --git a/src/tools/uic/cpp/cppwriteicondata.cpp b/src/tools/uic/cpp/cppwriteicondata.cpp
index 81ef56b..7e4b5c8 100644
--- a/src/tools/uic/cpp/cppwriteicondata.cpp
+++ b/src/tools/uic/cpp/cppwriteicondata.cpp
@@ -114,10 +114,12 @@ void WriteIconData::acceptImages(DomImages *images)
 
 void WriteIconData::acceptImage(DomImage *image)
 {
-    writeImage(output, option.indent, image);
+    // Limit line length when writing code.
+    writeImage(output, option.indent, true, image);
 }
 
-void WriteIconData::writeImage(QTextStream &output, const QString &indent, DomImage *image)
+void WriteIconData::writeImage(QTextStream &output, const QString &indent,
+                               bool limitXPM_LineLength, const DomImage *image)
 {
     QString img = image->attributeName() + QLatin1String("_data");
     QString data = image->elementData()->text();
@@ -133,7 +135,8 @@ void WriteIconData::writeImage(QTextStream &output, const QString &indent, DomIm
         int a = 0;
         int column = 0;
         bool inQuote = false;
-        output << indent << "static const char* const " << img << "[] = { \n";
+        output << indent << "/* XPM */\n"
+               << indent << "static const char* const " << img << "[] = { \n";
         while (baunzip[a] != '\"')
             a++;
         for (; a < (int) length; a++) {
@@ -144,7 +147,8 @@ void WriteIconData::writeImage(QTextStream &output, const QString &indent, DomIm
                 inQuote = !inQuote;
             }
 
-            if (column++ >= 511 && inQuote) {
+            column++;
+            if (limitXPM_LineLength && column >= 512 && inQuote) {
                 output << "\"\n\""; // be nice with MSVC & Co.
                 column = 1;
             }
diff --git a/src/tools/uic/cpp/cppwriteicondata.h b/src/tools/uic/cpp/cppwriteicondata.h
index 40d56bc..42cfab0 100644
--- a/src/tools/uic/cpp/cppwriteicondata.h
+++ b/src/tools/uic/cpp/cppwriteicondata.h
@@ -64,7 +64,8 @@ public:
     void acceptImages(DomImages *images);
     void acceptImage(DomImage *image);
 
-    static void writeImage(QTextStream &output, const QString &indent, DomImage *image);
+    static void writeImage(QTextStream &output, const QString &indent,
+                           bool limitXPM_LineLength, const DomImage *image);
     static void writeImage(QIODevice &output, DomImage *image);
 
 private:
diff --git a/src/tools/uic/option.h b/src/tools/uic/option.h
index f1198a0..8556728 100644
--- a/src/tools/uic/option.h
+++ b/src/tools/uic/option.h
@@ -61,6 +61,7 @@ struct Option
     unsigned int autoConnection : 1;
     unsigned int dependencies : 1;
     unsigned int extractImages : 1;
+    unsigned int limitXPM_LineLength : 1;
     unsigned int implicitIncludes: 1;
     Generator generator;
 
@@ -85,6 +86,7 @@ struct Option
           autoConnection(1),
           dependencies(0),
           extractImages(0),
+          limitXPM_LineLength(0),
           implicitIncludes(1),
           generator(CppGenerator),
           prefix(QLatin1String("Ui_"))
diff --git a/src/tools/uic3/converter.cpp b/src/tools/uic3/converter.cpp
index e1b4b38..2ee939d 100644
--- a/src/tools/uic3/converter.cpp
+++ b/src/tools/uic3/converter.cpp
@@ -518,6 +518,7 @@ DomUI *Ui3Reader::generateUi4(const QDomElement &widget)
     if (m_extractImages) {
         Option opt;
         opt.extractImages = m_extractImages;
+        opt.limitXPM_LineLength = (m_options & LimitXPM_LineLength) ? 1 : 0;
         opt.qrcOutputFile = m_qrcOutputFile;
         CPP::ExtractImages(opt).acceptUI(ui);
 
diff --git a/src/tools/uic3/form.cpp b/src/tools/uic3/form.cpp
index df1314f..9df644a 100644
--- a/src/tools/uic3/form.cpp
+++ b/src/tools/uic3/form.cpp
@@ -256,6 +256,7 @@ void Ui3Reader::createFormDecl(const QDomElement &e)
     d.option().headerProtection = false;
     d.option().copyrightHeader = false;
     d.option().extractImages = m_extractImages;
+    d.option().limitXPM_LineLength = (m_options & LimitXPM_LineLength) ? 1 : 0;
     d.option().qrcOutputFile = m_qrcOutputFile;
     d.option().implicitIncludes = (m_options & ImplicitIncludes) ? 1 : 0;
     if (trmacro.size())
diff --git a/src/tools/uic3/main.cpp b/src/tools/uic3/main.cpp
index 1ebb76a..d7657b1 100644
--- a/src/tools/uic3/main.cpp
+++ b/src/tools/uic3/main.cpp
@@ -149,6 +149,8 @@ int runUic3(int argc, char * argv[])
                 readerOptions &= ~Ui3Reader::CustomWidgetForwardDeclarations;
             } else if (opt == "layout-names") {
                 readerOptions |= Ui3Reader::PreserveLayoutNames;
+            } else if (opt == "limit-xpm-linelength") {
+                readerOptions |= Ui3Reader::LimitXPM_LineLength;
             } else if (opt == "nounload") {
                 // skip
             } else if (opt == "convert") {
@@ -251,6 +253,7 @@ int runUic3(int argc, char * argv[])
                  "Options:\n"
                  "\t-o file            Write output to file rather than stdout\n"
                  "\t-extract qrcFile   Create resource file and extract embedded images into \"image\" dir\n"
+                 "\t-limit-xpm-linelength Limit the line length of XPM files for -extract.\n"
                  "\t-pch file          Add #include \"file\" as the first statement in implementation\n"
                  "\t-nofwd             Omit forward declarations of custom classes\n"
                  "\t-layout-names      Preserve layout names of Qt Designer 3\n"
diff --git a/src/tools/uic3/ui3reader.h b/src/tools/uic3/ui3reader.h
index 144ef05..abe323e 100644
--- a/src/tools/uic3/ui3reader.h
+++ b/src/tools/uic3/ui3reader.h
@@ -68,7 +68,8 @@ typedef QList<QPair<int, Color> > ColorGroup;
 class Ui3Reader
 {
 public:
-    enum Options { CustomWidgetForwardDeclarations = 0x1, ImplicitIncludes = 0x2, PreserveLayoutNames = 0x4 };
+    enum Options { CustomWidgetForwardDeclarations = 0x1, ImplicitIncludes = 0x2,
+                   PreserveLayoutNames = 0x4, LimitXPM_LineLength = 0x8 };
 
     explicit Ui3Reader(QTextStream &stream, unsigned options);
     ~Ui3Reader();