Squashed commit of the topic/exceptions branch.

Contains some smaller fixes and renaming of macros. Looks big,
but isn't scary at all ;)

48 files changed, 217 insertions, 129 deletions

diff --git a/src/gui/kernel/qaction.h b/src/gui/kernel/qaction.h
index b9bdcf1..f884a9a 100644
--- a/src/gui/kernel/qaction.h
+++ b/src/gui/kernel/qaction.h
@@ -64,7 +64,7 @@ class QGraphicsWidget;
 class Q_GUI_EXPORT QAction : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QAction)
+    Q_DECLARE_SCOPED_PRIVATE(QAction)
 
     Q_ENUMS(MenuRole)
     Q_ENUMS(SoftKeyRole)
diff --git a/src/gui/kernel/qactiongroup.h b/src/gui/kernel/qactiongroup.h
index e42c2e5..07bdbda 100644
--- a/src/gui/kernel/qactiongroup.h
+++ b/src/gui/kernel/qactiongroup.h
@@ -57,7 +57,7 @@ class QActionGroupPrivate;
 class Q_GUI_EXPORT QActionGroup : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QActionGroup)
+    Q_DECLARE_SCOPED_PRIVATE(QActionGroup)
 
     Q_PROPERTY(bool exclusive READ isExclusive WRITE setExclusive)
     Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 2f1ab0e..ab2672b 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -855,7 +855,7 @@ extern void qInitDrawhelperAsm();
 void QApplicationPrivate::initialize()
 {
     QWidgetPrivate::mapper = new QWidgetMapper;
-    QWidgetPrivate::uncreatedWidgets = new QWidgetSet;
+    QWidgetPrivate::allWidgets = new QWidgetSet;
     if (qt_appType != QApplication::Tty)
         (void) QApplication::style();  // trigger creation of application style
     // trigger registering of QVariant's GUI types
@@ -1007,23 +1007,13 @@ QApplication::~QApplication()
     qt_clipboard = 0;
 #endif
 
-    // delete widget mapper
-    if (QWidgetPrivate::mapper) {
-        QWidgetMapper * myMapper = QWidgetPrivate::mapper;
-        QWidgetPrivate::mapper = 0;
-        for (QWidgetMapper::ConstIterator it = myMapper->constBegin();
-                it != myMapper->constEnd(); ++it) {
-            register QWidget *w = *it;
-            if (!w->parent())                        // window
-                w->destroy(true, true);
-        }
-        delete myMapper;
-    }
+    delete QWidgetPrivate::mapper;
+    QWidgetPrivate::mapper = 0;
 
-    // delete uncreated widgets
-    if (QWidgetPrivate::uncreatedWidgets) {
-        QWidgetSet *mySet = QWidgetPrivate::uncreatedWidgets;
-        QWidgetPrivate::uncreatedWidgets = 0;
+    // delete all widgets
+    if (QWidgetPrivate::allWidgets) {
+        QWidgetSet *mySet = QWidgetPrivate::allWidgets;
+        QWidgetPrivate::allWidgets = 0;
         for (QWidgetSet::ConstIterator it = mySet->constBegin(); it != mySet->constEnd(); ++it) {
             register QWidget *w = *it;
             if (!w->parent())                        // window
@@ -2050,12 +2040,9 @@ QWidgetList QApplication::topLevelWidgets()
 
 QWidgetList QApplication::allWidgets()
 {
-    QWidgetList list;
-    if (QWidgetPrivate::mapper)
-        list += QWidgetPrivate::mapper->values();
-    if (QWidgetPrivate::uncreatedWidgets)
-        list += QWidgetPrivate::uncreatedWidgets->toList();
-    return list;
+    if (QWidgetPrivate::allWidgets)
+        return QWidgetPrivate::allWidgets->toList();
+    return QWidgetList();
 }
 
 /*!
diff --git a/src/gui/kernel/qapplication.h b/src/gui/kernel/qapplication.h
index 4b447b5..6305951 100644
--- a/src/gui/kernel/qapplication.h
+++ b/src/gui/kernel/qapplication.h
@@ -371,7 +371,7 @@ public:
 
 private:
     Q_DISABLE_COPY(QApplication)
-    Q_DECLARE_PRIVATE(QApplication)
+    Q_DECLARE_SCOPED_PRIVATE(QApplication)
 
     friend class QGraphicsWidget;
     friend class QGraphicsScene;
diff --git a/src/gui/kernel/qapplication_qws.cpp b/src/gui/kernel/qapplication_qws.cpp
index 92fe5f5..b7d1288 100644
--- a/src/gui/kernel/qapplication_qws.cpp
+++ b/src/gui/kernel/qapplication_qws.cpp
@@ -668,7 +668,7 @@ void QWSDisplay::Data::sendSynchronousCommand(QWSCommand & cmd)
 
 int QWSDisplay::Data::takeId()
 {
-    if (unused_identifiers.count() == 10)
+    if (unused_identifiers.count() <= 10)
         create(15);
     if (unused_identifiers.count() == 0)
         waitForCreation();
@@ -3758,4 +3758,14 @@ void QApplicationPrivate::initializeMultitouch_sys()
 void QApplicationPrivate::cleanupMultitouch_sys()
 { }
 
+/* \internal
+   This is used to clean up the qws server
+   in case the QApplication constructor threw an exception
+*/
+QWSServerCleaner::~QWSServerCleaner()
+{
+    if (qwsServer && qws_single_process)
+        QWSServer::closedown();
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 766ca4b..7836238 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -76,13 +76,18 @@ QT_BEGIN_NAMESPACE
 static bool        appNoGrab        = false;        // Grabbing enabled
 #endif
 
-Q_GUI_EXPORT QS60Data *qt_s60Data = 0;
+Q_GLOBAL_STATIC(QS60Data, qt_s60Data);
 extern bool qt_sendSpontaneousEvent(QObject*,QEvent*);
 
 extern QDesktopWidget *qt_desktopWidget; // qapplication.cpp
 
 QWidget *qt_button_down = 0;                     // widget got last button-down
 
+QS60Data* qGlobalS60Data()
+{
+    return qt_s60Data();
+}
+
 bool qt_nograb()                                // application no-grab option
 {
 #if defined(QT_DEBUG)
@@ -441,7 +446,7 @@ void QSymbianControl::sendMouseEvent(QWidget *widget, QMouseEvent *mEvent)
 TKeyResponse QSymbianControl::OfferKeyEventL(const TKeyEvent& keyEvent, TEventCode type)
 {
     TKeyResponse r = EKeyWasNotConsumed;
-    QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_LEAVE(r = OfferKeyEvent(keyEvent, type));
+    QT_TRYCATCH_LEAVING(r = OfferKeyEvent(keyEvent, type));
     return r;
 }
 
@@ -706,8 +711,6 @@ TTypeUid::Ptr QSymbianControl::MopSupplyObject(TTypeUid id)
 
 void qt_init(QApplicationPrivate * /* priv */, int)
 {
-    S60 = new QS60Data;
-
 #ifdef QT_NO_DEBUG
     if (!qgetenv("QT_S60_AUTO_FLUSH_WSERV").isEmpty())
 #endif
@@ -723,7 +726,6 @@ void qt_init(QApplicationPrivate * /* priv */, int)
     TSecureId securId = me.SecureId();
     S60->uid = securId.operator TUid();
 
-
 /*
  ### Commented out for now as parameter handling not needed in SOS(yet). Code below will break testlib with -o flag
     int argc = priv->argc;
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index bb7d931..4f35583 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -1191,7 +1191,7 @@ static void qWinProcessConfigRequests()                // perform requests in qu
 
 class QGuiEventDispatcherWin32 : public QEventDispatcherWin32
 {
-    Q_DECLARE_PRIVATE(QEventDispatcherWin32)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherWin32)
 public:
     QGuiEventDispatcherWin32(QObject *parent = 0);
     bool processEvents(QEventLoop::ProcessEventsFlags flags);
diff --git a/src/gui/kernel/qboxlayout.cpp b/src/gui/kernel/qboxlayout.cpp
index 770f5bb..b51d77f 100644
--- a/src/gui/kernel/qboxlayout.cpp
+++ b/src/gui/kernel/qboxlayout.cpp
@@ -925,9 +925,15 @@ void QBoxLayout::insertSpacing(int index, int size)
     else
         b = QLayoutPrivate::createSpacerItem(this, 0, size, QSizePolicy::Minimum, QSizePolicy::Fixed);
 
-    QBoxLayoutItem *it = new QBoxLayoutItem(b);
-    it->magic = true;
-    d->list.insert(index, it);
+    QT_TRY {
+        QBoxLayoutItem *it = new QBoxLayoutItem(b);
+        it->magic = true;
+        d->list.insert(index, it);
+
+    } QT_CATCH(...) {
+        delete b;
+        QT_RETHROW;
+    }
     invalidate();
 }
 
@@ -1027,8 +1033,21 @@ void QBoxLayout::insertWidget(int index, QWidget *widget, int stretch,
         index = d->list.count();
     QWidgetItem *b = QLayoutPrivate::createWidgetItem(this, widget);
     b->setAlignment(alignment);
-    QBoxLayoutItem *it = new QBoxLayoutItem(b, stretch);
-    d->list.insert(index, it);
+
+    QBoxLayoutItem *it;
+    QT_TRY{
+        it = new QBoxLayoutItem(b, stretch);
+    } QT_CATCH(...) {
+        delete b;
+        QT_RETHROW;
+    }
+
+    QT_TRY{
+        d->list.insert(index, it);
+    } QT_CATCH(...) {
+        delete it;
+        QT_RETHROW;
+    }
     invalidate();
 }
 
diff --git a/src/gui/kernel/qboxlayout.h b/src/gui/kernel/qboxlayout.h
index f463c31..c399b8d 100644
--- a/src/gui/kernel/qboxlayout.h
+++ b/src/gui/kernel/qboxlayout.h
@@ -60,7 +60,7 @@ class QBoxLayoutPrivate;
 class Q_GUI_EXPORT QBoxLayout : public QLayout
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QBoxLayout)
+    Q_DECLARE_SCOPED_PRIVATE(QBoxLayout)
 public:
     enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
                      Down = TopToBottom, Up = BottomToTop };
diff --git a/src/gui/kernel/qclipboard.h b/src/gui/kernel/qclipboard.h
index 8241812..68fbf33 100644
--- a/src/gui/kernel/qclipboard.h
+++ b/src/gui/kernel/qclipboard.h
@@ -62,7 +62,7 @@ class QClipboardPrivate;
 class Q_GUI_EXPORT QClipboard : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QClipboard)
+    Q_DECLARE_SCOPED_PRIVATE(QClipboard)
 private:
     QClipboard(QObject *parent);
     ~QClipboard();
diff --git a/src/gui/kernel/qclipboard_s60.cpp b/src/gui/kernel/qclipboard_s60.cpp
index db5e7f3..27b4fdb 100644
--- a/src/gui/kernel/qclipboard_s60.cpp
+++ b/src/gui/kernel/qclipboard_s60.cpp
@@ -143,8 +143,10 @@ static QClipboardData *clipboardData()
     return internalCbData;
 }
 
-void writeToStream(const QMimeData* aData, RWriteStream& aStream)
+void writeToStreamLX(const QMimeData* aData, RWriteStream& aStream)
 {
+    // This function both leaves and throws exceptions. There must be no destructor
+    // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects.
     QStringList headers = aData->formats();
     aStream << TCardinality(headers.count());
     for (QStringList::const_iterator iter= headers.constBegin();iter != headers.constEnd();iter++)
@@ -162,8 +164,10 @@ void writeToStream(const QMimeData* aData, RWriteStream& aStream)
     }    
 }
 
-void readFromStream(QMimeData* aData,RReadStream& aStream)
+void readFromStreamLX(QMimeData* aData,RReadStream& aStream)
 {
+    // This function both leaves and throws exceptions. There must be no destructor
+    // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects.
     TCardinality mimeTypeCount;
     aStream >> mimeTypeCount;    
     for (int i = 0; i< mimeTypeCount;i++)
@@ -173,6 +177,7 @@ void readFromStream(QMimeData* aData,RReadStream& aStream)
         aStream >> mimeTypeSize;
         HBufC* mimeTypeBuf = HBufC::NewLC(aStream,mimeTypeSize);
         QString mimeType = QString::fromUtf16(mimeTypeBuf->Des().Ptr(),mimeTypeBuf->Length());
+        CleanupStack::PopAndDestroy(mimeTypeBuf);
         // mime data
         TCardinality dataSize;
         aStream >> dataSize;
@@ -182,8 +187,6 @@ void readFromStream(QMimeData* aData,RReadStream& aStream)
         ba.data_ptr()->size = dataSize;
         qDebug() << "paste from clipboard mime: " << mimeType << " data: " << ba;
         aData->setData(mimeType,ba);
-        CleanupStack::PopAndDestroy(mimeTypeBuf);
-
     }
 }
 
@@ -210,7 +213,7 @@ const QMimeData* QClipboard::mimeData(Mode mode) const
             RStoreReadStream stream;
             TStreamId stid = (cb->StreamDictionary()).At(KQtCbDataStream);
             stream.OpenLC(cb->Store(),stid);
-            readFromStream(d->source(),stream);
+            QT_TRYCATCH_LEAVING(readFromStreamLX(d->source(),stream));
             CleanupStack::PopAndDestroy(2,cb);
             return d->source();
         });
@@ -235,7 +238,7 @@ void QClipboard::setMimeData(QMimeData* src, Mode mode)
             CClipboard* cb = CClipboard::NewForWritingLC(fs);
             RStoreWriteStream  stream;
             TStreamId stid = stream.CreateLC(cb->Store());
-            writeToStream(src,stream);
+            QT_TRYCATCH_LEAVING(writeToStreamLX(src,stream));
             d->setSource(src);
             stream.CommitL();
             (cb->StreamDictionary()).AssignL(KQtCbDataStream,stid);
diff --git a/src/gui/kernel/qdesktopwidget.h b/src/gui/kernel/qdesktopwidget.h
index 470f10a..d61e00c 100644
--- a/src/gui/kernel/qdesktopwidget.h
+++ b/src/gui/kernel/qdesktopwidget.h
@@ -91,7 +91,7 @@ protected:
 
 private:
     Q_DISABLE_COPY(QDesktopWidget)
-    Q_DECLARE_PRIVATE(QDesktopWidget)
+    Q_DECLARE_SCOPED_PRIVATE(QDesktopWidget)
 
     friend class QApplication;
     friend class QApplicationPrivate;
diff --git a/src/gui/kernel/qdesktopwidget_x11.cpp b/src/gui/kernel/qdesktopwidget_x11.cpp
index 59d3239..94032e3 100644
--- a/src/gui/kernel/qdesktopwidget_x11.cpp
+++ b/src/gui/kernel/qdesktopwidget_x11.cpp
@@ -197,7 +197,7 @@ void QDesktopWidgetPrivate::init()
 
     if (screens) {
         // leaks QWidget* pointers on purpose, can't delete them as pointer escapes
-        screens = (QWidget**) realloc(screens, j * sizeof(QWidget*));
+        screens = q_check_ptr((QWidget**) realloc(screens, j * sizeof(QWidget*)));
         if (j > screenCount)
             memset(&screens[screenCount], 0, (j-screenCount) * sizeof(QWidget*));
     }
diff --git a/src/gui/kernel/qdnd_s60.cpp b/src/gui/kernel/qdnd_s60.cpp
index c459f8f..07b196e 100644
--- a/src/gui/kernel/qdnd_s60.cpp
+++ b/src/gui/kernel/qdnd_s60.cpp
@@ -128,7 +128,7 @@ public:
         QImage temp = pm.toImage();
         QSize size = pm.size();
         temp.bits();        
-        CFbsBitmap *curbm = new (ELeave) CFbsBitmap();
+        CFbsBitmap *curbm = q_check_ptr(new CFbsBitmap());		// CBase derived object needs check on new
         curbm->Create(TSize(size.width(),size.height()),EColor16MA);
         curbm->LockHeap(ETrue);
         memcpy((uchar*)curbm->DataAddress(),temp.bits(),temp.numBytes());
diff --git a/src/gui/kernel/qdnd_x11.cpp b/src/gui/kernel/qdnd_x11.cpp
index 7b445ea..410d1a9 100644
--- a/src/gui/kernel/qdnd_x11.cpp
+++ b/src/gui/kernel/qdnd_x11.cpp
@@ -316,7 +316,7 @@ static XdndData xdnd_data = { 0, 0 };
 
 class QExtraWidget : public QWidget
 {
-    Q_DECLARE_PRIVATE(QWidget)
+    Q_DECLARE_SCOPED_PRIVATE(QWidget)
 public:
     inline QWExtra* extraData();
     inline QTLWExtra* topData();
diff --git a/src/gui/kernel/qdrag.h b/src/gui/kernel/qdrag.h
index b49d82a..7e54b51 100644
--- a/src/gui/kernel/qdrag.h
+++ b/src/gui/kernel/qdrag.h
@@ -61,7 +61,7 @@ class QDragManager;
 class Q_GUI_EXPORT QDrag : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QDrag)
+    Q_DECLARE_SCOPED_PRIVATE(QDrag)
 public:
     explicit QDrag(QWidget *dragSource);
     ~QDrag();
diff --git a/src/gui/kernel/qeventdispatcher_glib_qws_p.h b/src/gui/kernel/qeventdispatcher_glib_qws_p.h
index 826661e..f0751be 100644
--- a/src/gui/kernel/qeventdispatcher_glib_qws_p.h
+++ b/src/gui/kernel/qeventdispatcher_glib_qws_p.h
@@ -62,7 +62,7 @@ class QWSEventDispatcherGlibPrivate;
 class QWSEventDispatcherGlib : public QEventDispatcherGlib
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QWSEventDispatcherGlib)
+    Q_DECLARE_SCOPED_PRIVATE(QWSEventDispatcherGlib)
 
 public:
     explicit QWSEventDispatcherGlib(QObject *parent = 0);
diff --git a/src/gui/kernel/qeventdispatcher_mac_p.h b/src/gui/kernel/qeventdispatcher_mac_p.h
index 88663c6..1986c4c 100644
--- a/src/gui/kernel/qeventdispatcher_mac_p.h
+++ b/src/gui/kernel/qeventdispatcher_mac_p.h
@@ -108,7 +108,7 @@ class QEventDispatcherMacPrivate;
 class QEventDispatcherMac : public QAbstractEventDispatcher
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherMac)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherMac)
 
 public:
     explicit QEventDispatcherMac(QObject *parent = 0);
diff --git a/src/gui/kernel/qeventdispatcher_qws_p.h b/src/gui/kernel/qeventdispatcher_qws_p.h
index b83fa10..982ed58 100644
--- a/src/gui/kernel/qeventdispatcher_qws_p.h
+++ b/src/gui/kernel/qeventdispatcher_qws_p.h
@@ -62,7 +62,7 @@ class QEventDispatcherQWSPrivate;
 class QEventDispatcherQWS : public QEventDispatcherUNIX
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherQWS)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherQWS)
 
 public:
     explicit QEventDispatcherQWS(QObject *parent = 0);
diff --git a/src/gui/kernel/qeventdispatcher_s60.cpp b/src/gui/kernel/qeventdispatcher_s60.cpp
index 51878df..2fea8a4 100644
--- a/src/gui/kernel/qeventdispatcher_s60.cpp
+++ b/src/gui/kernel/qeventdispatcher_s60.cpp
@@ -76,7 +76,7 @@ bool QEventDispatcherS60::processEvents ( QEventLoop::ProcessEventsFlags flags )
         m_noInputEvents = oldNoInputEventsValue;
     } QT_CATCH (const std::exception& ex) {
 #ifndef QT_NO_EXCEPTIONS
-        CActiveScheduler::Current()->Error(qt_translateExceptionToSymbianError(ex));
+        CActiveScheduler::Current()->Error(qt_exception2SymbianError(ex));
 #endif
     }
 
diff --git a/src/gui/kernel/qeventdispatcher_x11_p.h b/src/gui/kernel/qeventdispatcher_x11_p.h
index 9a54c36..b4c553d 100644
--- a/src/gui/kernel/qeventdispatcher_x11_p.h
+++ b/src/gui/kernel/qeventdispatcher_x11_p.h
@@ -62,7 +62,7 @@ class QEventDispatcherX11Private;
 class QEventDispatcherX11 : public QEventDispatcherUNIX
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherX11)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherX11)
 
 public:
     explicit QEventDispatcherX11(QObject *parent = 0);
diff --git a/src/gui/kernel/qformlayout.h b/src/gui/kernel/qformlayout.h
index b560e85..0143711 100644
--- a/src/gui/kernel/qformlayout.h
+++ b/src/gui/kernel/qformlayout.h
@@ -56,7 +56,7 @@ class Q_GUI_EXPORT QFormLayout : public QLayout
 {
     Q_OBJECT
     Q_ENUMS(FormStyle FieldGrowthPolicy RowWrapPolicy ItemRole)
-    Q_DECLARE_PRIVATE(QFormLayout)
+    Q_DECLARE_SCOPED_PRIVATE(QFormLayout)
     Q_PROPERTY(FieldGrowthPolicy fieldGrowthPolicy READ fieldGrowthPolicy WRITE setFieldGrowthPolicy RESET resetFieldGrowthPolicy)
     Q_PROPERTY(RowWrapPolicy rowWrapPolicy READ rowWrapPolicy WRITE setRowWrapPolicy RESET resetRowWrapPolicy)
     Q_PROPERTY(Qt::Alignment labelAlignment READ labelAlignment WRITE setLabelAlignment RESET resetLabelAlignment)
diff --git a/src/gui/kernel/qgesture.h b/src/gui/kernel/qgesture.h
index f3c95cc..a7aba22 100644
--- a/src/gui/kernel/qgesture.h
+++ b/src/gui/kernel/qgesture.h
@@ -59,7 +59,7 @@ class QGesturePrivate;
 class Q_GUI_EXPORT QGesture : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QGesture)
+    Q_DECLARE_SCOPED_PRIVATE(QGesture)
 
     Q_PROPERTY(QString type READ type)
     Q_PROPERTY(Qt::GestureState state READ state)
@@ -128,7 +128,7 @@ class QPanningGesturePrivate;
 class Q_GUI_EXPORT QPanningGesture : public QGesture
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QPanningGesture)
+    Q_DECLARE_SCOPED_PRIVATE(QPanningGesture)
 
     Q_PROPERTY(Qt::DirectionType lastDirection READ lastDirection)
     Q_PROPERTY(Qt::DirectionType direction READ direction)
diff --git a/src/gui/kernel/qgesturerecognizer.h b/src/gui/kernel/qgesturerecognizer.h
index 2c1c61b..65c4ca0 100644
--- a/src/gui/kernel/qgesturerecognizer.h
+++ b/src/gui/kernel/qgesturerecognizer.h
@@ -53,7 +53,7 @@ class QGestureRecognizerPrivate;
 class Q_GUI_EXPORT QGestureRecognizer : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QGestureRecognizer)
+    Q_DECLARE_SCOPED_PRIVATE(QGestureRecognizer)
 
 public:
     enum Result
diff --git a/src/gui/kernel/qgridlayout.h b/src/gui/kernel/qgridlayout.h
index 89a04a4..2b5299e 100644
--- a/src/gui/kernel/qgridlayout.h
+++ b/src/gui/kernel/qgridlayout.h
@@ -60,7 +60,7 @@ class QGridLayoutPrivate;
 class Q_GUI_EXPORT QGridLayout : public QLayout
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QGridLayout)
+    Q_DECLARE_SCOPED_PRIVATE(QGridLayout)
     QDOC_PROPERTY(int horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing)
     QDOC_PROPERTY(int verticalSpacing READ verticalSpacing WRITE setVerticalSpacing)
 
diff --git a/src/gui/kernel/qguieventdispatcher_glib_p.h b/src/gui/kernel/qguieventdispatcher_glib_p.h
index 65d233e..8543836 100644
--- a/src/gui/kernel/qguieventdispatcher_glib_p.h
+++ b/src/gui/kernel/qguieventdispatcher_glib_p.h
@@ -62,7 +62,7 @@ class QGuiEventDispatcherGlibPrivate;
 class QGuiEventDispatcherGlib : public QEventDispatcherGlib
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QGuiEventDispatcherGlib)
+    Q_DECLARE_SCOPED_PRIVATE(QGuiEventDispatcherGlib)
 
 public:
     explicit QGuiEventDispatcherGlib(QObject *parent = 0);
diff --git a/src/gui/kernel/qkeymapper_mac.cpp b/src/gui/kernel/qkeymapper_mac.cpp
index 017c13c..87dad1e 100644
--- a/src/gui/kernel/qkeymapper_mac.cpp
+++ b/src/gui/kernel/qkeymapper_mac.cpp
@@ -563,7 +563,7 @@ QKeyMapperPrivate::QKeyMapperPrivate()
 
 QKeyMapperPrivate::~QKeyMapperPrivate()
 {
-    clearMappings();
+    deleteLayouts();
 }
 
 bool
@@ -658,7 +658,7 @@ QKeyMapperPrivate::updateKeyboard()
 }
 
 void
-QKeyMapperPrivate::clearMappings()
+QKeyMapperPrivate::deleteLayouts()
 {
     keyboard_mode = NullMode;
     for (int i = 0; i < 255; ++i) {
@@ -667,6 +667,12 @@ QKeyMapperPrivate::clearMappings()
             keyLayout[i] = 0;
         }
     }
+}
+
+void
+QKeyMapperPrivate::clearMappings()
+{
+    deleteLayouts();
     updateKeyboard();
 }
 
diff --git a/src/gui/kernel/qkeymapper_p.h b/src/gui/kernel/qkeymapper_p.h
index ba1fcfe..6c12b0f 100644
--- a/src/gui/kernel/qkeymapper_p.h
+++ b/src/gui/kernel/qkeymapper_p.h
@@ -85,7 +85,7 @@ public:
 
 private:
     friend QKeyMapperPrivate *qt_keymapper_private();
-    Q_DECLARE_PRIVATE(QKeyMapper)
+    Q_DECLARE_SCOPED_PRIVATE(QKeyMapper)
     Q_DISABLE_COPY(QKeyMapper)
 };
 
@@ -161,6 +161,7 @@ public:
     bool translateKeyEvent(QWidget *receiver, const MSG &msg, bool grab);
     void updatePossibleKeyCodes(unsigned char *kbdBuffer, quint32 scancode, quint32 vk_key);
     bool isADeadKey(unsigned int vk_key, unsigned int modifiers);
+    void deleteLayouts();
 
     KeyboardLayoutItem *keyLayout[256];
 
@@ -189,6 +190,7 @@ public:
     bool updateKeyboard();
     void updateKeyMap(EventHandlerCallRef, EventRef, void *);
     bool translateKeyEvent(QWidget *, EventHandlerCallRef, EventRef, void *, bool);
+    void deleteLayouts();
 
     enum { NullMode, UnicodeMode, OtherMode } keyboard_mode;
     union {
diff --git a/src/gui/kernel/qkeymapper_win.cpp b/src/gui/kernel/qkeymapper_win.cpp
index e40dfa0..d1b3456 100644
--- a/src/gui/kernel/qkeymapper_win.cpp
+++ b/src/gui/kernel/qkeymapper_win.cpp
@@ -621,10 +621,10 @@ QKeyMapperPrivate::QKeyMapperPrivate()
 
 QKeyMapperPrivate::~QKeyMapperPrivate()
 {
-    clearMappings();
+    deleteLayouts();
 }
 
-void QKeyMapperPrivate::clearMappings()
+void QKeyMapperPrivate::deleteLayouts()
 {
     for (int i = 0; i < 255; ++i) {
         if (keyLayout[i]) {
@@ -632,6 +632,11 @@ void QKeyMapperPrivate::clearMappings()
             keyLayout[i] = 0;
         }
     }
+}
+
+void QKeyMapperPrivate::clearMappings()
+{
+    deleteLayouts();
 
     /* MAKELCID()'s first argument is a WORD, and GetKeyboardLayout()
      * returns a DWORD. */
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 6563dae..e2a5b27 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -753,7 +753,9 @@ QKeySequence::QKeySequence(StandardKey key)
 */
 QKeySequence::QKeySequence()
 {
-    d = new QKeySequencePrivate();
+    static QKeySequencePrivate shared_empty;
+    d = &shared_empty;
+    d->ref.ref();
 }
 
 /*!
diff --git a/src/gui/kernel/qlayout.h b/src/gui/kernel/qlayout.h
index 4f46c1d..ec95ca8 100644
--- a/src/gui/kernel/qlayout.h
+++ b/src/gui/kernel/qlayout.h
@@ -89,7 +89,7 @@ class QLayoutPrivate;
 class Q_GUI_EXPORT QLayout : public QObject, public QLayoutItem
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QLayout)
+    Q_DECLARE_SCOPED_PRIVATE(QLayout)
 
     Q_ENUMS(SizeConstraint)
     Q_PROPERTY(int margin READ margin WRITE setMargin)
diff --git a/src/gui/kernel/qsessionmanager.h b/src/gui/kernel/qsessionmanager.h
index f27dbaa..0a55d0c 100644
--- a/src/gui/kernel/qsessionmanager.h
+++ b/src/gui/kernel/qsessionmanager.h
@@ -60,7 +60,7 @@ class QSessionManagerPrivate;
 class Q_GUI_EXPORT  QSessionManager : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QSessionManager)
+    Q_DECLARE_SCOPED_PRIVATE(QSessionManager)
     QSessionManager(QApplication *app, QString &id, QString &key);
     ~QSessionManager();
 public:
diff --git a/src/gui/kernel/qshortcut.h b/src/gui/kernel/qshortcut.h
index c81ce7c..7b79faa 100644
--- a/src/gui/kernel/qshortcut.h
+++ b/src/gui/kernel/qshortcut.h
@@ -57,7 +57,7 @@ class QShortcutPrivate;
 class Q_GUI_EXPORT QShortcut : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QShortcut)
+    Q_DECLARE_SCOPED_PRIVATE(QShortcut)
     Q_PROPERTY(QKeySequence key READ key WRITE setKey)
     Q_PROPERTY(QString whatsThis READ whatsThis WRITE setWhatsThis)
     Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
diff --git a/src/gui/kernel/qshortcutmap_p.h b/src/gui/kernel/qshortcutmap_p.h
index 8962ac7..53a39ec 100644
--- a/src/gui/kernel/qshortcutmap_p.h
+++ b/src/gui/kernel/qshortcutmap_p.h
@@ -74,7 +74,7 @@ class QObject;
 
 class QShortcutMap
 {
-    Q_DECLARE_PRIVATE(QShortcutMap)
+    Q_DECLARE_SCOPED_PRIVATE(QShortcutMap)
 public:
     QShortcutMap();
     ~QShortcutMap();
diff --git a/src/gui/kernel/qsound.h b/src/gui/kernel/qsound.h
index 22cfdde..eeef047 100644
--- a/src/gui/kernel/qsound.h
+++ b/src/gui/kernel/qsound.h
@@ -82,7 +82,7 @@ public:
     static inline QT3_SUPPORT bool available() { return isAvailable(); }
 #endif
 private:
-    Q_DECLARE_PRIVATE(QSound)
+    Q_DECLARE_SCOPED_PRIVATE(QSound)
     friend class QAuServer;
 };
 
diff --git a/src/gui/kernel/qstackedlayout.h b/src/gui/kernel/qstackedlayout.h
index d14b2ab..ab215fa 100644
--- a/src/gui/kernel/qstackedlayout.h
+++ b/src/gui/kernel/qstackedlayout.h
@@ -55,7 +55,7 @@ class QStackedLayoutPrivate;
 class Q_GUI_EXPORT QStackedLayout : public QLayout
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QStackedLayout)
+    Q_DECLARE_SCOPED_PRIVATE(QStackedLayout)
     Q_ENUMS(StackingMode)
     Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
     Q_PROPERTY(StackingMode stackingMode READ stackingMode WRITE setStackingMode)
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index bcbe48f..802a2f7 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -80,11 +80,6 @@ QT_BEGIN_NAMESPACE
 // system evens seems to start with 0x10
 const TInt KInternalStatusPaneChange = 0x50000000;
 
-struct QS60Data;
-extern QS60Data *qt_s60Data;
-
-#define S60 qt_s60Data
-
 class QS60Data
 {
 public:
@@ -114,6 +109,9 @@ public:
 #endif
 };
 
+QS60Data* qGlobalS60Data();
+#define S60 qGlobalS60Data()
+
 class QAbstractLongTapObserver
 {
 public:
@@ -241,7 +239,7 @@ inline CEikButtonGroupContainer* QS60Data::buttonGroupContainer()
 static inline QFont qt_TFontSpec2QFontL(const TFontSpec &fontSpec)
 {
     return QFont(
-        qt_TDesC2QStringL(fontSpec.iTypeface.iName),
+        qt_TDesC2QString(fontSpec.iTypeface.iName),
         fontSpec.iHeight / KTwipsPerPoint,
         fontSpec.iFontStyle.StrokeWeight() == EStrokeWeightNormal ? QFont::Normal : QFont::Bold,
         fontSpec.iFontStyle.Posture() == EPostureItalic
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 4c2fe9d..bfcb02b 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -922,8 +922,8 @@ void QWidget::setAutoFillBackground(bool enabled)
         
 */
 
-QWidgetMapper *QWidgetPrivate::mapper = 0;                // widget with wid
-QWidgetSet *QWidgetPrivate::uncreatedWidgets = 0;         // widgets with no wid
+QWidgetMapper *QWidgetPrivate::mapper = 0;          // widget with wid
+QWidgetSet *QWidgetPrivate::allWidgets = 0;         // widgets with no wid
 
 
 /*****************************************************************************
@@ -969,7 +969,7 @@ struct QWidgetExceptionCleaner
     static inline void cleanup(QWidget *that, QWidgetPrivate *d)
     {
 #ifndef QT_NO_EXCEPTIONS
-        QWidgetPrivate::uncreatedWidgets->remove(that);
+        QWidgetPrivate::allWidgets->remove(that);
         if (d->focus_next != that) {
             if (d->focus_next)
                 d->focus_next->d_func()->focus_prev = d->focus_prev;
@@ -1121,8 +1121,8 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
     if (QApplication::type() == QApplication::Tty)
         qFatal("QWidget: Cannot create a QWidget when no GUI is being used");
 
-    Q_ASSERT(uncreatedWidgets);
-    uncreatedWidgets->insert(q);
+    Q_ASSERT(allWidgets);
+    allWidgets->insert(q);
 
     QWidget *desktopWidget = 0;
     if (parentWidget && parentWidget->windowType() == Qt::Desktop) {
@@ -1415,15 +1415,31 @@ QWidget::~QWidget()
     }
 #endif
 
-    clearFocus();
+    QT_TRY {
+        clearFocus();
+    } QT_CATCH(...) {
+        // swallow this problem because we are in a destructor
+    }
 
     d->setDirtyOpaqueRegion();
 
-    if (isWindow() && isVisible() && internalWinId())
-        d->close_helper(QWidgetPrivate::CloseNoEvent);
+    if (isWindow() && isVisible() && internalWinId()) {
+        QT_TRY {
+            d->close_helper(QWidgetPrivate::CloseNoEvent);
+        } QT_CATCH(...) {
+            // if we're out of memory, at least hide the window.
+            QT_TRY {
+                hide();
+            } QT_CATCH(...) {
+                // and if that also doesn't work, then give up
+            }
+        }
+    }
+
 #if defined(Q_WS_WIN) || defined(Q_WS_X11)
-    else if (!internalWinId() && isVisible())
+    else if (!internalWinId() && isVisible()) {
         qApp->d_func()->sendSyntheticEnterLeave(this);
+    }
 #endif
 
     if (QWidgetBackingStore *bs = d->maybeBackingStore()) {
@@ -1443,12 +1459,15 @@ QWidget::~QWidget()
 
     QApplication::removePostedEvents(this);
 
-    destroy();                                        // platform-dependent cleanup
-
+    QT_TRY {
+        destroy();                                        // platform-dependent cleanup
+    } QT_CATCH(...) {
+        // if this fails we can't do anything about it but at least we are not allowed to throw.
+    }
     --QWidgetPrivate::instanceCounter;
 
-    if (QWidgetPrivate::uncreatedWidgets) // might have been deleted by ~QApplication
-        QWidgetPrivate::uncreatedWidgets->remove(this);
+    if (QWidgetPrivate::allWidgets) // might have been deleted by ~QApplication
+        QWidgetPrivate::allWidgets->remove(this);
 
     QEvent e(QEvent::Destroy);
     QCoreApplication::sendEvent(this, &e);
@@ -1468,7 +1487,6 @@ void QWidgetPrivate::setWinId(WId id)                // set widget identifier
     bool userDesktopWidget = qt_desktopWidget != 0 && qt_desktopWidget != q && q->windowType() == Qt::Desktop;
     if (mapper && data.winid && !userDesktopWidget) {
         mapper->remove(data.winid);
-        uncreatedWidgets->insert(q);
     }
 
     data.winid = id;
@@ -1477,7 +1495,6 @@ void QWidgetPrivate::setWinId(WId id)                // set widget identifier
 #endif
     if (mapper && id && !userDesktopWidget) {
         mapper->insert(data.winid, q);
-        uncreatedWidgets->remove(q);
     }
 }
 
@@ -4645,8 +4662,9 @@ void QWidget::setCursor(const QCursor &cursor)
 #endif
     {
         d->createExtra();
+        QCursor *newCursor = new QCursor(cursor);
         delete d->extra->curs;
-        d->extra->curs = new QCursor(cursor);
+        d->extra->curs = newCursor;
     }
     setAttribute(Qt::WA_SetCursor);
     d->setCursor_sys(cursor);
@@ -5359,6 +5377,17 @@ QString QWidget::windowTitle() const
     return QString();
 }
 
+/*!
+    Returns a modified window title with the [*] place holder
+    replaced according to the rules described in QWidget::setWindowTitle
+
+    This function assumes that "[*]" can be quoted by another
+    "[*]", so it will replace two place holders by one and
+    a single last one by either "*" or nothing depending on
+    the modified flag.
+
+    \internal
+*/
 QString qt_setWindowTitle_helperHelper(const QString &title, const QWidget *widget)
 {
     Q_ASSERT(widget);
@@ -5370,16 +5399,21 @@ QString qt_setWindowTitle_helperHelper(const QString &title, const QWidget *widg
     QString cap = title;
 #endif
 
-    QString placeHolder(QLatin1String("[*]"));
+    if (cap.isEmpty())
+        return cap;
+
+    QLatin1String placeHolder("[*]");
+    int placeHolderLength = 3; // QLatin1String doesn't have length()
 
     int index = cap.indexOf(placeHolder);
 
+    // here the magic begins
     while (index != -1) {
-        index += placeHolder.length();
+        index += placeHolderLength;
         int count = 1;
         while (cap.indexOf(placeHolder, index) == index) {
             ++count;
-            index += placeHolder.length();
+            index += placeHolderLength;
         }
 
         if (count%2) { // odd number of [*] -> replace last one
@@ -5394,7 +5428,7 @@ QString qt_setWindowTitle_helperHelper(const QString &title, const QWidget *widg
         index = cap.indexOf(placeHolder, index);
     }
 
-    cap.replace(QLatin1String("[*][*]"), QLatin1String("[*]"));
+    cap.replace(QLatin1String("[*][*]"), placeHolder);
 
     return cap;
 }
diff --git a/src/gui/kernel/qwidget.h b/src/gui/kernel/qwidget.h
index 2008723..51605ba 100644
--- a/src/gui/kernel/qwidget.h
+++ b/src/gui/kernel/qwidget.h
@@ -143,7 +143,7 @@ class QWidgetPrivate;
 class Q_GUI_EXPORT QWidget : public QObject, public QPaintDevice
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QWidget)
+    Q_DECLARE_SCOPED_PRIVATE(QWidget)
 
     Q_PROPERTY(bool modal READ isModal)
     Q_PROPERTY(Qt::WindowModality windowModality READ windowModality WRITE setWindowModality)
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 045bcb3..4797ddf 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -2575,7 +2575,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
                     qt_mac_destructWindow(window);
             }
         }
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+	}
     }
 }
 
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 84a15ed..b425450 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -490,10 +490,11 @@ public:
     QWidgetItemV2 *widgetItem;
     QPaintEngine *extraPaintEngine;
     mutable const QMetaObject *polished;
-    // All widgets are initially added into the uncreatedWidgets set. Once
-    // they receive a window id they are removed and added to the mapper
+    // All widgets are added into the allWidgets set. Once
+    // they receive a window id they are also added to the mapper.
+    // This should just ensure that all widgets are deleted by QApplication
     static QWidgetMapper *mapper;
-    static QWidgetSet *uncreatedWidgets;
+    static QWidgetSet *allWidgets;
 #if !defined(QT_NO_IM)
     QPointer<QInputContext> ic;
     Qt::InputMethodHints imHints;
diff --git a/src/gui/kernel/qwidget_qws.cpp b/src/gui/kernel/qwidget_qws.cpp
index 4ded5cf..eacf656 100644
--- a/src/gui/kernel/qwidget_qws.cpp
+++ b/src/gui/kernel/qwidget_qws.cpp
@@ -298,11 +298,16 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
                 d->hide_sys();
             }
             if (destroyWindow && isWindow()) {
-                d->extra->topextra->backingStore->windowSurface->setGeometry(QRect());
+                if (d->extra && d->extra->topextra && d->extra->topextra->backingStore)
+                    d->extra->topextra->backingStore->windowSurface->setGeometry(QRect());
                 qwsDisplay()->destroyRegion(internalWinId());
             }
         }
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+        }
     }
 }
 
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index d860eba..bf53f5d 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -89,7 +89,7 @@ void QWidgetPrivate::setSoftKeys_sys(const QList<QAction*> &softkeys)
             return;
     }
     CEikButtonGroupContainer* nativeContainer = S60->buttonGroupContainer();
-    nativeContainer->SetCommandSetL(R_AVKON_SOFTKEYS_EMPTY_WITH_IDS);
+    QT_TRAP_THROWING(nativeContainer->SetCommandSetL(R_AVKON_SOFTKEYS_EMPTY_WITH_IDS));
 
     int position = -1;
     int command;
@@ -137,12 +137,12 @@ void QWidgetPrivate::setSoftKeys_sys(const QList<QAction*> &softkeys)
 
         if (position != -1) {
             TPtrC text = qt_QString2TPtrC(softKeyAction->text());
-            nativeContainer->SetCommandL(position, command, text);
+            QT_TRAP_THROWING(nativeContainer->SetCommandL(position, command, text));
         }
     }
 
     if (needsExitButton)
-        nativeContainer->SetCommandL(2, EAknSoftkeyExit, qt_QString2TPtrC(QObject::tr("Exit")));
+        QT_TRAP_THROWING(nativeContainer->SetCommandL(2, EAknSoftkeyExit, qt_QString2TPtrC(QObject::tr("Exit"))));
 
     nativeContainer->DrawDeferred(); // 3.1 needs an extra invitation
 #else
@@ -310,10 +310,8 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
     } else if (topLevel) {
         if (!q->testAttribute(Qt::WA_Moved) && !q->testAttribute(Qt::WA_DontShowOnScreen))
             data.crect.moveTopLeft(QPoint(clientRect.iTl.iX, clientRect.iTl.iY));
-        QSymbianControl *control= new QSymbianControl(q);
-        control->ConstructL(true,desktop);
-        
-       
+        QSymbianControl *control= q_check_ptr(new QSymbianControl(q));
+        QT_TRAP_THROWING(control->ConstructL(true,desktop));
         if (!desktop) {
 			TInt stackingFlags;
 			if ((q->windowType() & Qt::Popup) == Qt::Popup) {
@@ -350,7 +348,7 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
         control->SetRect(TRect(TPoint(x, y), TSize(w, h)));
     } else if (q->testAttribute(Qt::WA_NativeWindow) || paintOnScreen()) { // create native child widget
         QSymbianControl *control = new QSymbianControl(q);
-        control->ConstructL(!parentWidget);
+        QT_TRAP_THROWING(control->ConstructL(!parentWidget));
         
         TInt stackingFlags;
         if ((q->windowType() & Qt::Popup) == Qt::Popup) {
@@ -362,7 +360,7 @@ void QWidgetPrivate::create_sys(WId window, bool /* initializeWindow */, bool de
         
         setWinId(control);
         WId parentw = parentWidget->effectiveWinId();
-        control->SetContainerWindowL(*parentw);
+        QT_TRAP_THROWING(control->SetContainerWindowL(*parentw));
 
         q->setAttribute(Qt::WA_WState_Created);
         int x, y, w, h;
@@ -397,7 +395,7 @@ void QWidgetPrivate::show_sys()
 
         WId id = q->internalWinId();
         if (!extra->topextra->activated) {
-            id->ActivateL();
+        	QT_TRAP_THROWING(id->ActivateL());
             extra->topextra->activated = 1;
         }
         id->MakeVisible(true);
@@ -621,9 +619,9 @@ void QWidgetPrivate::s60UpdateIsOpaque()
     }
 }
 
-CFbsBitmap* qt_pixmapToNativeBitmapL(QPixmap pixmap, bool invert)
+CFbsBitmap* qt_pixmapToNativeBitmap(QPixmap pixmap, bool invert)
 {
-    CFbsBitmap* fbsBitmap = new(ELeave)CFbsBitmap;
+    CFbsBitmap* fbsBitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
     TSize size(pixmap.size().width(), pixmap.size().height());
     TDisplayMode mode(EColor16MU);
 
@@ -659,7 +657,7 @@ CFbsBitmap* qt_pixmapToNativeBitmapL(QPixmap pixmap, bool invert)
         break;
     }
 
-    User::LeaveIfError(fbsBitmap->Create(size, mode));
+    qt_throwIfError(fbsBitmap->Create(size, mode));
     fbsBitmap->LockHeap();
     QImage image = pixmap.toImage();
 
@@ -714,7 +712,7 @@ void QWidgetPrivate::setWindowIcon_sys(bool forceReset)
             contextPane->SetPicture(nBitmap,nMask);
         } else {
             // Icon set to null -> set context pane picture to default
-            contextPane->SetPictureToDefaultL();
+            QT_TRAP_THROWING(contextPane->SetPictureToDefaultL());
         }
     } else {
         // Context pane does not exist, try setting small icon to title pane
@@ -769,7 +767,7 @@ void QWidgetPrivate::setWindowTitle_sys(const QString &caption)
 			if(caption.isEmpty())
 				titlePane->SetTextToDefaultL();
 			else
-				titlePane->SetTextL(qt_QString2TPtrC(caption));
+				QT_TRAP_THROWING(titlePane->SetTextL(qt_QString2TPtrC(caption)));
         }
     }
 #else
@@ -1125,7 +1123,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 
         }
 
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+        }
     }
 }
 
diff --git a/src/gui/kernel/qwidget_win.cpp b/src/gui/kernel/qwidget_win.cpp
index e39ca77..9d31f57 100644
--- a/src/gui/kernel/qwidget_win.cpp
+++ b/src/gui/kernel/qwidget_win.cpp
@@ -577,7 +577,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
         }
 
 #endif
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+        }
     }
 }
 
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 2a3d2f3..2bb3626 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -1008,7 +1008,11 @@ void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
             if (destroyWindow)
                 qt_XDestroyWindow(this, X11->display, data->winid);
         }
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+        }
 
         extern void qPRCleanup(QWidget *widget); // from qapplication_x11.cpp
         if (testAttribute(Qt::WA_WState_Reparented))
diff --git a/src/gui/kernel/qwidgetaction.h b/src/gui/kernel/qwidgetaction.h
index 4ec489e..a39b281 100644
--- a/src/gui/kernel/qwidgetaction.h
+++ b/src/gui/kernel/qwidgetaction.h
@@ -57,7 +57,7 @@ class QWidgetActionPrivate;
 class Q_GUI_EXPORT QWidgetAction : public QAction
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QWidgetAction)
+    Q_DECLARE_SCOPED_PRIVATE(QWidgetAction)
 
 public:
     explicit QWidgetAction(QObject *parent);
diff --git a/src/gui/kernel/qx11embed_x11.cpp b/src/gui/kernel/qx11embed_x11.cpp
index 3ddde1b..84d7d0a 100644
--- a/src/gui/kernel/qx11embed_x11.cpp
+++ b/src/gui/kernel/qx11embed_x11.cpp
@@ -269,7 +269,7 @@ const int XButtonRelease = ButtonRelease;
 // need to to inspect window()'s embedded state.
 class QHackWidget : public QWidget
 {
-    Q_DECLARE_PRIVATE(QWidget)
+    Q_DECLARE_SCOPED_PRIVATE(QWidget)
 public:
     QTLWExtra* topData() { return d_func()->topData(); }
 };
diff --git a/src/gui/kernel/qx11embed_x11.h b/src/gui/kernel/qx11embed_x11.h
index 8659ed6..0d67c23 100644
--- a/src/gui/kernel/qx11embed_x11.h
+++ b/src/gui/kernel/qx11embed_x11.h
@@ -80,7 +80,7 @@ protected:
     void resizeEvent(QResizeEvent *);
 
 private:
-    Q_DECLARE_PRIVATE(QX11EmbedWidget)
+    Q_DECLARE_SCOPED_PRIVATE(QX11EmbedWidget)
     Q_DISABLE_COPY(QX11EmbedWidget)
 };
 
@@ -121,7 +121,7 @@ protected:
     bool event(QEvent *);
 
 private:
-    Q_DECLARE_PRIVATE(QX11EmbedContainer)
+    Q_DECLARE_SCOPED_PRIVATE(QX11EmbedContainer)
     Q_DISABLE_COPY(QX11EmbedContainer)
 };