Merge commit 'qt/master-stable'

Conflicts:
	configure.exe
	doc/src/classes/qnamespace.qdoc
	examples/examples.pro
	src/corelib/kernel/qcoreevent.cpp
	src/corelib/kernel/qobject.cpp
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qstandardgestures.h
	src/gui/kernel/qwidget.cpp

19 files changed, 214 insertions, 225 deletions

diff --git a/src/corelib/animation/qabstractanimation.cpp b/src/corelib/animation/qabstractanimation.cpp
index ced86d2..1d274c9 100644
--- a/src/corelib/animation/qabstractanimation.cpp
+++ b/src/corelib/animation/qabstractanimation.cpp
@@ -177,17 +177,6 @@ QUnifiedTimer *QUnifiedTimer::instance()
     return inst;
 }
 
-void QUnifiedTimer::updateRecentlyStartedAnimations()
-{
-    if (animationsToStart.isEmpty())
-        return;
-
-    animations += animationsToStart;
-    updateTimer(); //we make sure we start the timer there
-
-    animationsToStart.clear();
-}
-
 void QUnifiedTimer::timerEvent(QTimerEvent *event)
 {
     //this is simply the time we last received a tick
@@ -195,15 +184,16 @@ void QUnifiedTimer::timerEvent(QTimerEvent *event)
     if (time.isValid())
         lastTick = consistentTiming ? oldLastTick + timingInterval : time.elapsed();
 
-    //we transfer the waiting animations into the "really running" state
-    updateRecentlyStartedAnimations();
 
     if (event->timerId() == startStopAnimationTimer.timerId()) {
         startStopAnimationTimer.stop();
+        //we transfer the waiting animations into the "really running" state
+        animations += animationsToStart;
+        animationsToStart.clear();
         if (animations.isEmpty()) {
             animationTimer.stop();
             time = QTime();
-        } else {
+        } else if (!animationTimer.isActive()) {
             animationTimer.start(timingInterval, this);
             lastTick = 0;
             time.start();
@@ -219,27 +209,19 @@ void QUnifiedTimer::timerEvent(QTimerEvent *event)
     }
 }
 
-void QUnifiedTimer::updateTimer()
-{
-    //we delay the call to start and stop for the animation timer so that if you
-    //stop and start animations in batch you don't stop/start the timer too often.
-    if (!startStopAnimationTimer.isActive())
-        startStopAnimationTimer.start(0, this); // we delay the actual start of the animation
-}
-
 void QUnifiedTimer::registerAnimation(QAbstractAnimation *animation)
 {
     if (animations.contains(animation) ||animationsToStart.contains(animation))
         return;
     animationsToStart << animation;
-    updateTimer();
+    startStopAnimationTimer.start(0, this); // we delay the check if we should start/stop the global timer
 }
 
 void QUnifiedTimer::unregisterAnimation(QAbstractAnimation *animation)
 {
     animations.removeAll(animation);
     animationsToStart.removeAll(animation);
-    updateTimer();
+    startStopAnimationTimer.start(0, this); // we delay the check if we should start/stop the global timer
 }
 
 
diff --git a/src/corelib/animation/qabstractanimation_p.h b/src/corelib/animation/qabstractanimation_p.h
index 0d8402e..b281aa2 100644
--- a/src/corelib/animation/qabstractanimation_p.h
+++ b/src/corelib/animation/qabstractanimation_p.h
@@ -135,11 +135,8 @@ public:
 
 protected:
     void timerEvent(QTimerEvent *);
-    void updateTimer();
 
 private:
-    void updateRecentlyStartedAnimations();
-
     QBasicTimer animationTimer, startStopAnimationTimer;
     QTime time;
     int lastTick;
diff --git a/src/corelib/animation/qparallelanimationgroup.cpp b/src/corelib/animation/qparallelanimationgroup.cpp
index 5e4b0d2..8aa04a4 100644
--- a/src/corelib/animation/qparallelanimationgroup.cpp
+++ b/src/corelib/animation/qparallelanimationgroup.cpp
@@ -214,7 +214,8 @@ void QParallelAnimationGroup::updateState(QAbstractAnimation::State oldState,
         d->connectUncontrolledAnimations();
         for (int i = 0; i < d->animations.size(); ++i) {
             QAbstractAnimation *animation = d->animations.at(i);
-            animation->stop();
+            if (oldState == Stopped)
+                animation->stop();
             animation->setDirection(d->direction);
             animation->start();
         }
diff --git a/src/corelib/arch/qatomic_vxworks.h b/src/corelib/arch/qatomic_vxworks.h
index 573a44d..b441210 100644
--- a/src/corelib/arch/qatomic_vxworks.h
+++ b/src/corelib/arch/qatomic_vxworks.h
@@ -34,7 +34,7 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** contact the sales department at http://www.qtsoftware.com/contact.
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index dc3667b..86f0757 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -285,7 +285,7 @@ namespace QT_NAMESPACE {}
 #  endif
 #endif
 
-#if defined(Q_OS_MAC64) && !defined(QT_MAC_USE_COCOA)
+#if defined(Q_OS_MAC64) && !defined(QT_MAC_USE_COCOA) && !defined(QT_BUILD_QMAKE)
 #error "You are building a 64-bit application, but using a 32-bit version of Qt. Check your build configuration."
 #endif
 
@@ -317,11 +317,8 @@ namespace QT_NAMESPACE {}
 #  if !defined(MAC_OS_X_VERSION_10_6)
 #       define MAC_OS_X_VERSION_10_6 MAC_OS_X_VERSION_10_5 + 1
 #  endif
-#  if (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_6)
-#    warning "Support for this version of Mac OS X is still preliminary"
-#  endif
 #  if (MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_6)
-#    error "This version of Mac OS X is unsupported"
+#    warning "This version of Mac OS X is unsupported"
 #  endif
 #endif
 
@@ -1220,6 +1217,11 @@ class QDataStream;
 #    else
 #      define Q_OPENGL_EXPORT Q_DECL_IMPORT
 #    endif
+#    if defined(QT_BUILD_MULTIMEDIA_LIB)
+#      define Q_MULTIMEDIA_EXPORT Q_DECL_EXPORT
+#    else
+#      define Q_MULTIMEDIA_EXPORT Q_DECL_IMPORT
+#    endif
 #    if defined(QT_BUILD_OPENVG_LIB)
 #      define Q_OPENVG_EXPORT Q_DECL_EXPORT
 #    else
@@ -1264,6 +1266,7 @@ class QDataStream;
 #    define Q_SVG_EXPORT Q_DECL_IMPORT
 #    define Q_CANVAS_EXPORT Q_DECL_IMPORT
 #    define Q_OPENGL_EXPORT Q_DECL_IMPORT
+#    define Q_MULTIMEDIA_EXPORT Q_DECL_IMPORT
 #    define Q_OPENVG_EXPORT Q_DECL_IMPORT
 #    define Q_XML_EXPORT Q_DECL_IMPORT
 #    define Q_XMLPATTERNS_EXPORT Q_DECL_IMPORT
@@ -1290,6 +1293,7 @@ class QDataStream;
 #    define Q_NETWORK_EXPORT Q_DECL_EXPORT
 #    define Q_SVG_EXPORT Q_DECL_EXPORT
 #    define Q_OPENGL_EXPORT Q_DECL_EXPORT
+#    define Q_MULTIMEDIA_EXPORT Q_DECL_EXPORT
 #    define Q_OPENVG_EXPORT Q_DECL_EXPORT
 #    define Q_XML_EXPORT Q_DECL_EXPORT
 #    define Q_XMLPATTERNS_EXPORT Q_DECL_EXPORT
@@ -1303,6 +1307,7 @@ class QDataStream;
 #    define Q_NETWORK_EXPORT
 #    define Q_SVG_EXPORT
 #    define Q_OPENGL_EXPORT
+#    define Q_MULTIMEDIA_EXPORT
 #    define Q_XML_EXPORT
 #    define Q_XMLPATTERNS_EXPORT
 #    define Q_SCRIPT_EXPORT
@@ -2452,12 +2457,14 @@ Q_CORE_EXPORT int qt_exception2SymbianError(const std::exception& ex);
 #define QT_MODULE_DBUS                 0x08000
 #define QT_MODULE_SCRIPTTOOLS          0x10000
 #define QT_MODULE_OPENVG               0x20000
+#define QT_MODULE_MULTIMEDIA           0x40000
 
 /* Qt editions */
 #define QT_EDITION_CONSOLE      (QT_MODULE_CORE \
                                  | QT_MODULE_NETWORK \
                                  | QT_MODULE_SQL \
                                  | QT_MODULE_SCRIPT \
+                                 | QT_MODULE_MULTIMEDIA \
                                  | QT_MODULE_XML \
                                  | QT_MODULE_XMLPATTERNS \
                                  | QT_MODULE_TEST \
@@ -2473,6 +2480,7 @@ Q_CORE_EXPORT int qt_exception2SymbianError(const std::exception& ex);
                                  | QT_MODULE_OPENGL \
                                  | QT_MODULE_OPENVG \
                                  | QT_MODULE_SQL \
+                                 | QT_MODULE_MULTIMEDIA \
                                  | QT_MODULE_XML \
                                  | QT_MODULE_XMLPATTERNS \
                                  | QT_MODULE_SCRIPT \
@@ -2524,6 +2532,9 @@ QT_LICENSED_MODULE(OpenVG)
 #if (QT_EDITION & QT_MODULE_SQL)
 QT_LICENSED_MODULE(Sql)
 #endif
+#if (QT_EDITION & QT_MODULE_MULTIMEDIA)
+QT_LICENSED_MODULE(Multimedia)
+#endif
 #if (QT_EDITION & QT_MODULE_XML)
 QT_LICENSED_MODULE(Xml)
 #endif
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index bc95c60..5d5d4cc 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1884,6 +1884,8 @@ QSize QAbstractItemModel::span(const QModelIndex &) const
 }
 
 /*!
+  \since 4.6
+  
   Sets the model's role names to \a roleNames.
 
   This function is provided to allow mapping of role identifiers to
@@ -1900,6 +1902,8 @@ void QAbstractItemModel::setRoleNames(const QHash<int,QByteArray> &roleNames)
 }
 
 /*!
+  \since 4.6
+
   Returns the model's role names.
 
   \sa setRoleNames()
diff --git a/src/corelib/kernel/qcore_unix.cpp b/src/corelib/kernel/qcore_unix.cpp
index b57d385..efa9c6d 100644
--- a/src/corelib/kernel/qcore_unix.cpp
+++ b/src/corelib/kernel/qcore_unix.cpp
@@ -161,76 +161,3 @@ int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
 }
 
 QT_END_NAMESPACE
-
-#ifdef Q_OS_LINUX
-// Don't wait for libc to supply the calls we need
-// Make syscalls directly
-
-# if defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0204
-// glibc 2.4 has syscall(...)
-#  include <sys/syscall.h>
-#  include <asm/unistd.h>
-# else
-// no syscall(...)
-static inline int syscall(...) { errno = ENOSYS; return -1;}
-# endif
-
-# ifndef __NR_dup3
-#  if defined(__i386__)
-#   define __NR_dup3        330
-#   define __NR_pipe2       331
-#  elif defined(__x86_64__)
-#   define __NR_dup3        292
-#   define __NR_pipe2       293
-#  elif defined(__ia64__)
-#   define __NR_dup3        1316
-#   define __NR_pipe2       1317
-#  else
-//  set the syscalls to absurd numbers so that they'll cause ENOSYS errors
-#   warning "Please port the pipe2/dup3 code to this platform"
-#   define __NR_dup3        -1
-#   define __NR_pipe2       -1
-#  endif
-# endif
-
-# if !defined(__NR_socketcall) && !defined(__NR_accept4)
-#  if defined(__x86_64__)
-#   define __NR_accept4     288
-#  elif defined(__ia64__)
-//  not assigned yet to IA-64
-#   define __NR_accept4     -1
-#  else
-//  set the syscalls to absurd numbers so that they'll cause ENOSYS errors
-#   warning "Please port the accept4 code to this platform"
-#   define __NR_accept4     -1
-#  endif
-# endif
-
-QT_BEGIN_NAMESPACE
-namespace QtLibcSupplement {
-    int pipe2(int pipes[], int flags)
-    {
-        return syscall(__NR_pipe2, pipes, flags);
-    }
-
-    int dup3(int oldfd, int newfd, int flags)
-    {
-        return syscall(__NR_dup3, oldfd, newfd, flags);
-    }
-
-    int accept4(int s, sockaddr *addr, QT_SOCKLEN_T *addrlen, int flags)
-    {
-# if defined(__NR_socketcall)
-        // This platform uses socketcall() instead of raw syscalls
-        // the SYS_ACCEPT4 number is cross-platform: 18
-        return syscall(__NR_socketcall, 18, &s);
-# else
-        return syscall(__NR_accept4, s, addr, addrlen, flags);
-# endif
-
-        Q_UNUSED(addr); Q_UNUSED(addrlen); Q_UNUSED(flags); // they're actually used
-    }
-}
-QT_END_NAMESPACE
-#endif  // Q_OS_LINUX
-
diff --git a/src/corelib/kernel/qcore_unix_p.h b/src/corelib/kernel/qcore_unix_p.h
index e301c92..9a6069d 100644
--- a/src/corelib/kernel/qcore_unix_p.h
+++ b/src/corelib/kernel/qcore_unix_p.h
@@ -73,32 +73,16 @@
 
 struct sockaddr;
 
-#if defined(Q_OS_LINUX) && defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0204
-// Linux supports thread-safe FD_CLOEXEC
+#if defined(Q_OS_LINUX) && defined(O_CLOEXEC)
 # define QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC 1
-
-// add defines for the consts for Linux
-# ifndef O_CLOEXEC
-#  define O_CLOEXEC  02000000
-# endif
-# ifndef FD_DUPFD_CLOEXEC
-#  define F_DUPFD_CLOEXEC 1030
-# endif
-# ifndef SOCK_CLOEXEC
-#  define SOCK_CLOEXEC O_CLOEXEC
-# endif
-# ifndef SOCK_NONBLOCK
-#  define SOCK_NONBLOCK O_NONBLOCK
-# endif
-# ifndef MSG_CMSG_CLOEXEC
-#  define MSG_CMSG_CLOEXEC 0x40000000
-# endif
-
 QT_BEGIN_NAMESPACE
 namespace QtLibcSupplement {
-    Q_CORE_EXPORT int accept4(int, sockaddr *, QT_SOCKLEN_T *, int flags);
-    Q_CORE_EXPORT int dup3(int oldfd, int newfd, int flags);
-    Q_CORE_EXPORT int pipe2(int pipes[], int flags);
+    inline int accept4(int, sockaddr *, QT_SOCKLEN_T *, int)
+    { errno = ENOSYS; return -1; }
+    inline int dup3(int, int, int)
+    { errno = ENOSYS; return -1; }
+    inline int pipe2(int [], int )
+    { errno = ENOSYS; return -1; }
 }
 QT_END_NAMESPACE
 using namespace QT_PREPEND_NAMESPACE(QtLibcSupplement);
@@ -190,7 +174,7 @@ static inline int qt_safe_pipe(int pipefd[2], int flags = 0)
 #endif
 
     register int ret;
-#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC
+#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(O_CLOEXEC)
     // use pipe2
     flags |= O_CLOEXEC;
     ret = ::pipe2(pipefd, flags); // pipe2 is Linux-specific and is documented not to return EINTR
@@ -246,7 +230,7 @@ static inline int qt_safe_dup2(int oldfd, int newfd, int flags = FD_CLOEXEC)
     Q_ASSERT(flags == FD_CLOEXEC || flags == 0);
 
     register int ret;
-#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC
+#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(O_CLOEXEC)
     // use dup3
     if (flags & FD_CLOEXEC) {
         EINTR_LOOP(ret, ::dup3(oldfd, newfd, O_CLOEXEC));
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index 3cb8fe6..72bad5f 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -272,7 +272,7 @@ QT_BEGIN_NAMESPACE
     \omitvalue CocoaRequestModal
     \omitvalue Signal
     \omitvalue SymbianDeferredFocusChanged
-    \omitvalue WinGesture
+    \omitvalue NativeGesture
 */
 
 /*!
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h
index c361fd5..42e3d24 100644
--- a/src/corelib/kernel/qcoreevent.h
+++ b/src/corelib/kernel/qcoreevent.h
@@ -276,7 +276,7 @@ public:
         TouchUpdate = 195,
         TouchEnd = 196,
 
-        WinGesture = 197,
+        NativeGesture = 197,                    // Internal for platform gesture support
 
         RequestSoftwareInputPanel = 199,
         CloseSoftwareInputPanel = 200,
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index 7610631..2bbe560 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -263,6 +263,7 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     (void) new (&timerSource->timerList) QTimerInfoList();
     timerSource->processEventsFlags = QEventLoop::AllEvents;
     g_source_set_can_recurse(&timerSource->source, true);
+    g_source_set_priority(&timerSource->source, G_PRIORITY_DEFAULT_IDLE);
     g_source_attach(&timerSource->source, mainContext);
 }
 
diff --git a/src/corelib/kernel/qfunctions_vxworks.cpp b/src/corelib/kernel/qfunctions_vxworks.cpp
index 6d5e7cc..def8f4c 100644
--- a/src/corelib/kernel/qfunctions_vxworks.cpp
+++ b/src/corelib/kernel/qfunctions_vxworks.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtCore module of the Qt Toolkit.
 **
@@ -34,7 +34,7 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** contact the sales department at http://www.qtsoftware.com/contact.
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/kernel/qfunctions_vxworks.h b/src/corelib/kernel/qfunctions_vxworks.h
index cc98948..e31d495 100644
--- a/src/corelib/kernel/qfunctions_vxworks.h
+++ b/src/corelib/kernel/qfunctions_vxworks.h
@@ -34,7 +34,7 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** contact the sales department at http://www.qtsoftware.com/contact.
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index 7f8d2e8..1d0b2c8 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -1352,6 +1352,8 @@ int QMetaMethod::attributes() const
 }
 
 /*!
+  \since 4.6
+
   Returns this method's index.
 */
 int QMetaMethod::methodIndex() const
@@ -2078,6 +2080,8 @@ int QMetaProperty::userType() const
 }
 
 /*!
+  \since 4.6
+
   Returns this property's index.
 */
 int QMetaProperty::propertyIndex() const
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 2630b63..e6947a0 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -123,8 +123,11 @@ extern "C" Q_CORE_EXPORT void qt_removeObject(QObject *)
     }
 }
 
+QObjectData::~QObjectData() {}
+QDeclarativeData::~QDeclarativeData() {}
+
 QObjectPrivate::QObjectPrivate(int version)
-    : threadData(0), currentSender(0), declarativeData(0), connectionLists(0), senders(0)
+    : threadData(0), connectionLists(0), senders(0), currentSender(0), currentChildBeingDeleted(0), declarativeData(0), objectGuards(0)
 {
     if (version != QObjectPrivateVersion)
         qFatal("Cannot mix incompatible Qt libraries");
@@ -145,7 +148,6 @@ QObjectPrivate::QObjectPrivate(int version)
     inEventHandler = false;
     inThreadChangeEvent = false;
     deleteWatch = 0;
-    objectGuards = 0;
     metaObject = 0;
     hasGuards = false;
 }
@@ -794,6 +796,8 @@ QObject::~QObject()
 
     QT_TRY {
         emit destroyed(this);
+        if (d->declarativeData)
+            d->declarativeData->destroyed(this);  // ### TODO: Can this throw?
     } QT_CATCH(...) {
         // all the signal/slots connections are still in place - if we don't
         // quit now, we will crash pretty soon.
@@ -892,14 +896,6 @@ QObject::~QObject()
 
     d->eventFilters.clear();
 
-    // As declarativeData is in a union with currentChildBeingDeleted, this must
-    // be done (and declarativeData set back to 0) before deleting children.
-    if(d->declarativeData) {
-        QDeclarativeData *dd = d->declarativeData;
-        d->declarativeData = 0;
-        dd->destroyed(this);
-    }
-
     if (!d->children.isEmpty())
         d->deleteChildren();
 
@@ -1906,13 +1902,12 @@ void QObjectPrivate::deleteChildren()
     // don't use qDeleteAll as the destructor of the child might
     // delete siblings
     for (int i = 0; i < children.count(); ++i) {
-        QObject *child = children.at(i);
+        currentChildBeingDeleted = children.at(i);
         children[i] = 0;
-        if (child)
-            child->d_func()->parent = 0;
-        delete child;
+        delete currentChildBeingDeleted;
     }
     children.clear();
+    currentChildBeingDeleted = 0;
     wasDeleted = reallyWasDeleted;
 }
 
@@ -1923,14 +1918,20 @@ void QObjectPrivate::setParent_helper(QObject *o)
         return;
     if (parent) {
         QObjectPrivate *parentD = parent->d_func();
-        const int index = parentD->children.indexOf(q);
-        if (parentD->wasDeleted) {
-            parentD->children[index] = 0;
+        if (parentD->wasDeleted && wasDeleted
+            && parentD->currentChildBeingDeleted == q) {
+            // don't do anything since QObjectPrivate::deleteChildren() already
+            // cleared our entry in parentD->children.
         } else {
-            parentD->children.removeAt(index);
-            if (sendChildEvents && parentD->receiveChildEvents) {
-                QChildEvent e(QEvent::ChildRemoved, q);
-                QCoreApplication::sendEvent(parent, &e);
+            const int index = parentD->children.indexOf(q);
+            if (parentD->wasDeleted) {
+                parentD->children[index] = 0;
+            } else {
+                parentD->children.removeAt(index);
+                if (sendChildEvents && parentD->receiveChildEvents) {
+                    QChildEvent e(QEvent::ChildRemoved, q);
+                    QCoreApplication::sendEvent(parent, &e);
+                }
             }
         }
     }
@@ -3965,19 +3966,12 @@ QDebug operator<<(QDebug dbg, const QObject *o) {
     Synonym for QList<QObject *>.
 */
 
-#ifdef QT_JAMBI_BUILD
-class QDPtrAccessor : public QObject {
-public:
-    QObjectData *d() const { return d_ptr; }
-};
-#endif
-
 void qDeleteInEventHandler(QObject *o)
 {
 #ifdef QT_JAMBI_BUILD
     if (!o)
         return;
-    ((QDPtrAccessor *) o)->d()->inEventHandler = false;
+    QObjectPrivate::get(o)->inEventHandler = false;
 #endif
     delete o;
 }
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index 0b41c9a..e58ee6c 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -82,15 +82,13 @@ void Q_CORE_EXPORT qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet
 
 extern QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set;
 
-inline QObjectData::~QObjectData() {}
-
 enum { QObjectPrivateVersion = QT_VERSION };
 
-class QDeclarativeData 
+class Q_CORE_EXPORT QDeclarativeData
 {
 public:
-    virtual ~QDeclarativeData() {}
-    virtual void destroyed(QObject *) {}
+    virtual ~QDeclarativeData();
+    virtual void destroyed(QObject *) = 0;
 };
 
 class Q_CORE_EXPORT QObjectPrivate : public QObjectData
@@ -98,47 +96,6 @@ class Q_CORE_EXPORT QObjectPrivate : public QObjectData
     Q_DECLARE_PUBLIC(QObject)
 
 public:
-    QObjectPrivate(int version = QObjectPrivateVersion);
-    virtual ~QObjectPrivate();
-
-#ifdef QT3_SUPPORT
-    QList<QObject *> pendingChildInsertedEvents;
-    void sendPendingChildInsertedEvents();
-    void removePendingChildInsertedEvents(QObject *child);
-#else
-    // preserve binary compatibility with code compiled without Qt 3 support
-    QList<QObject *> unused;
-#endif
-
-    // id of the thread that owns the object
-    QThreadData *threadData;
-    void moveToThread_helper();
-    void setThreadData_helper(QThreadData *currentData, QThreadData *targetData);
-    void _q_reregisterTimers(void *pointer);
-
-    struct Sender
-    {
-        QObject *sender;
-        int signal;
-        int ref;
-    };
-    // object currently activating the object
-    Sender *currentSender;
-
-    QDeclarativeData *declarativeData;
-
-    bool isSender(const QObject *receiver, const char *signal) const;
-    QObjectList receiverList(const char *signal) const;
-    QObjectList senderList() const;
-
-    QList<QPointer<QObject> > eventFilters;
-
-    void setParent_helper(QObject *);
-
-    void deleteChildren();
-
-    static void clearGuards(QObject *);
-
     struct ExtraData
     {
 #ifndef QT_NO_USERDATA
@@ -147,12 +104,7 @@ public:
         QList<QByteArray> propertyNames;
         QList<QVariant> propertyValues;
     };
-    ExtraData *extraData;
-    mutable quint32 connectedSignals[2];
-
-    QString objectName;
 
-    // Note: you must hold the signalSlotLock() before accessing the lists below or calling the functions
     struct Connection
     {
         QObject *sender;
@@ -167,11 +119,34 @@ public:
     };
     typedef QList<Connection *> ConnectionList;
 
-    QObjectConnectionListVector *connectionLists;
+    struct Sender
+    {
+        QObject *sender;
+        int signal;
+        int ref;
+    };
+
+
+    QObjectPrivate(int version = QObjectPrivateVersion);
+    virtual ~QObjectPrivate();
+    void deleteChildren();
+
+    void setParent_helper(QObject *);
+    void moveToThread_helper();
+    void setThreadData_helper(QThreadData *currentData, QThreadData *targetData);
+    void _q_reregisterTimers(void *pointer);
+
+    bool isSender(const QObject *receiver, const char *signal) const;
+    QObjectList receiverList(const char *signal) const;
+    QObjectList senderList() const;
+
     void addConnection(int signal, Connection *c);
     void cleanConnectionLists();
 
-    Connection *senders; //linked list;
+#ifdef QT3_SUPPORT
+    void sendPendingChildInsertedEvents();
+    void removePendingChildInsertedEvents(QObject *child);
+#endif
 
     static Sender *setCurrentSender(QObject *receiver,
                                     Sender *sender);
@@ -180,13 +155,39 @@ public:
                                    Sender *previousSender);
     static int *setDeleteWatch(QObjectPrivate *d, int *newWatch);
     static void resetDeleteWatch(QObjectPrivate *d, int *oldWatch, int deleteWatch);
-
-    int *deleteWatch;
-    QGuard<QObject> *objectGuards;
+    static void clearGuards(QObject *);
 
     static QObjectPrivate *get(QObject *o) {
         return o->d_func();
     }
+
+public:
+    QString objectName;
+    ExtraData *extraData;    // extra data set by the user
+    QThreadData *threadData; // id of the thread that owns the object
+
+    QObjectConnectionListVector *connectionLists;
+
+    Connection *senders;     // linked list of connections connected to this object
+    Sender *currentSender;   // object currently activating the object
+    mutable quint32 connectedSignals[2];   // 64-bit, so doesn't cause padding on 64-bit platforms
+
+#ifdef QT3_SUPPORT
+    QList<QObject *> pendingChildInsertedEvents;
+#else
+    // preserve binary compatibility with code compiled without Qt 3 support
+    // ### why?
+    QList<QObject *> unused;
+#endif
+
+    QList<QPointer<QObject> > eventFilters;
+    QObject *currentChildBeingDeleted;
+
+    // these objects are all used to indicate that a QObject was deleted
+    // plus QPointer, which keeps a separate list
+    QDeclarativeData *declarativeData;
+    QGuard<QObject> *objectGuards;
+    int *deleteWatch;
 };
 
 inline void q_guard_addGuard(QGuard<QObject> *g)
diff --git a/src/corelib/tools/qbytedata_p.h b/src/corelib/tools/qbytedata_p.h
index cc10ea2..f3724f6 100644
--- a/src/corelib/tools/qbytedata_p.h
+++ b/src/corelib/tools/qbytedata_p.h
@@ -42,8 +42,18 @@
 #ifndef QBYTEDATA_H
 #define QBYTEDATA_H
 
-#include <qbytearray.h>
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
 
+#include <qbytearray.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp
index 8a63d64..f7b014e 100644
--- a/src/corelib/tools/qsharedpointer.cpp
+++ b/src/corelib/tools/qsharedpointer.cpp
@@ -133,7 +133,7 @@
 
     To access the pointer that QWeakPointer is tracking, you
     must first create a QSharedPointer object and verify if the pointer
-    is null or not.
+    is null or not. See QWeakPointer::toStrongRef() for more information.
 
     \sa QSharedPointer, QScopedPointer
 */
@@ -215,6 +215,8 @@
     If \tt T is a derived type of the template parameter of this
     class, QSharedPointer will perform an automatic cast. Otherwise,
     you will get a compiler error.
+
+    \sa QWeakPointer::toStrongRef()
 */
 
 /*!
@@ -367,6 +369,8 @@
 
     Returns a weak reference object that shares the pointer referenced
     by this object.
+
+    \sa QWeakPointer::QWeakPointer(const QSharedPointer<T> &)
 */
 
 /*!
@@ -483,10 +487,78 @@
 */
 
 /*!
+    \fn T *QWeakPointer::data() const
+    \since 4.6
+
+    Returns the value of the pointer being tracked by this QWeakPointer,
+    \b without ensuring that it cannot get deleted. To have that guarantee,
+    use toStrongRef(), which returns a QSharedPointer object. If this
+    function can determine that the pointer has already been deleted, it
+    returns 0.
+
+    It is ok to obtain the value of the pointer and using that value itself,
+    like for example in debugging statements:
+
+    \code
+        qDebug("Tracking %p", weakref.data());
+    \endcode
+
+    However, dereferencing the pointer is only allowed if you can guarantee
+    by external means that the pointer does not get deleted. For example,
+    if you can be certain that no other thread can delete it, nor the
+    functions that you may call.
+
+    If that is the case, then the following code is valid:
+
+    \code
+        // this pointer cannot be used in another thread
+        // so other threads cannot delete it
+        QWeakPointer<int> weakref = obtainReference();
+
+        Object *obj = weakref.data();
+        if (obj) {
+            // if the pointer wasn't deleted yet, we know it can't get
+            // deleted by our own code here nor the functions we call
+            otherFunction(obj);
+        }
+    \endcode
+
+    Use this function with care.
+
+    \sa isNull(), toStrongRef()
+*/
+
+/*!
     \fn QSharedPointer<T> QWeakPointer::toStrongRef() const
 
     Promotes this weak reference to a strong one and returns a
-    QSharedPointer object holding that reference.
+    QSharedPointer object holding that reference. When promoting to
+    QSharedPointer, this function verifies if the object has been deleted
+    already or not. If it hasn't, this function increases the reference
+    count to the shared object, thus ensuring that it will not get
+    deleted.
+
+    Since this function can fail to obtain a valid strong reference to the
+    shared object, you should always verify if the conversion succeeded,
+    by calling QSharedPointer::isNull() on the returned object.
+
+    For example, the following code promotes a QWeakPointer that was held
+    to a strong reference and, if it succeeded, it prints the value of the
+    integer that was held:
+
+    \code
+        QWeakPointer<int> weakref;
+
+        // ...
+
+        QSharedPointer<int> strong = weakref.toStrongRef();
+        if (strong)
+            qDebug() << "The value is:" << *strong;
+        else
+            qDebug() << "The value has already been deleted";
+    \endcode
+
+    \sa QSharedPointer::QSharedPointer(const QWeakPointer<T> &)
 */
 
 /*!
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 9a5532c..25373b3 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -504,6 +504,7 @@ public:
     inline operator bool() const { return isNull() ? 0 : &QWeakPointer::value; }
 #endif
     inline bool operator !() const { return isNull(); }
+    inline T *data() const { return d == 0 || d->strongref == 0 ? 0 : value; }
 
     inline QWeakPointer() : d(0), value(0) { }
     inline ~QWeakPointer() { if (d && !d->weakref.deref()) delete d; }