Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-webkit into 4.7

31 files changed, 287 insertions, 821 deletions

diff --git a/src/gui/dialogs/qdialog.cpp b/src/gui/dialogs/qdialog.cpp
index a6bd78a..e4f45ba 100644
--- a/src/gui/dialogs/qdialog.cpp
+++ b/src/gui/dialogs/qdialog.cpp
@@ -393,7 +393,6 @@ void QDialogPrivate::resetModalitySetByOpen()
     resetModalityTo = -1;
 }
 
-#if defined(Q_WS_WINCE) || defined(Q_WS_S60)
 #ifdef Q_WS_WINCE_WM
 void QDialogPrivate::_q_doneAction()
 {
@@ -408,12 +407,12 @@ void QDialogPrivate::_q_doneAction()
 bool QDialog::event(QEvent *e)
 {
     bool result = QWidget::event(e);
-#ifdef Q_WS_WINCE
+#if defined(Q_WS_WINCE)
     if (e->type() == QEvent::OkRequest) {
         accept();
         result = true;
-     }
-#else
+     } else
+#elif defined(Q_WS_S60)
     if ((e->type() == QEvent::StyleChange) || (e->type() == QEvent::Resize )) {
         if (!testAttribute(Qt::WA_Moved)) {
             Qt::WindowStates state = windowState();
@@ -422,11 +421,14 @@ bool QDialog::event(QEvent *e)
             if (state != windowState())
                 setWindowState(state);
         }
-    }
+    } else
 #endif
+    if (e->type() == QEvent::Move) {
+        setAttribute(Qt::WA_Moved, true); // as explicit as the user wants it to be
+    }
+
     return result;
 }
-#endif
 
 /*!
   Returns the modal dialog's result code, \c Accepted or \c Rejected.
diff --git a/src/gui/dialogs/qdialog.h b/src/gui/dialogs/qdialog.h
index 777256a..7ab0cb6 100644
--- a/src/gui/dialogs/qdialog.h
+++ b/src/gui/dialogs/qdialog.h
@@ -107,9 +107,7 @@ public Q_SLOTS:
 protected:
     QDialog(QDialogPrivate &, QWidget *parent, Qt::WindowFlags f = 0);
 
-#if defined(Q_WS_WINCE) || defined(Q_WS_S60)
     bool event(QEvent *e);
-#endif
     void keyPressEvent(QKeyEvent *);
     void closeEvent(QCloseEvent *);
     void showEvent(QShowEvent *);
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 9759b39..6cc3f7d 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -1237,6 +1237,8 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q
     }
 
     dirtySceneTransform = 1;
+    if (!inDestructor && (transformData || (newParent && newParent->d_ptr->transformData)))
+        transformChanged();
 
     // Restore the sub focus chain.
     if (subFocusItem) {
@@ -3622,6 +3624,7 @@ void QGraphicsItemPrivate::setTransformHelper(const QTransform &transform)
     q_ptr->prepareGeometryChange();
     transformData->transform = transform;
     dirtySceneTransform = 1;
+    transformChanged();
 }
 
 /*!
@@ -3812,6 +3815,8 @@ void QGraphicsItem::setRotation(qreal angle)
 
     if (d_ptr->isObject)
         emit static_cast<QGraphicsObject *>(this)->rotationChanged();
+
+    d_ptr->transformChanged();
 }
 
 /*!
@@ -3876,6 +3881,8 @@ void QGraphicsItem::setScale(qreal factor)
 
     if (d_ptr->isObject)
         emit static_cast<QGraphicsObject *>(this)->scaleChanged();
+
+    d_ptr->transformChanged();
 }
 
 
@@ -3931,6 +3938,7 @@ void QGraphicsItem::setTransformations(const QList<QGraphicsTransform *> &transf
         transformations.at(i)->d_func()->setItem(this);
     d_ptr->transformData->onlyTransform = false;
     d_ptr->dirtySceneTransform = 1;
+    d_ptr->transformChanged();
 }
 
 /*!
@@ -3947,6 +3955,7 @@ void QGraphicsItemPrivate::prependGraphicsTransform(QGraphicsTransform *t)
     t->d_func()->setItem(q);
     transformData->onlyTransform = false;
     dirtySceneTransform = 1;
+    transformChanged();
 }
 
 /*!
@@ -3963,6 +3972,7 @@ void QGraphicsItemPrivate::appendGraphicsTransform(QGraphicsTransform *t)
     t->d_func()->setItem(q);
     transformData->onlyTransform = false;
     dirtySceneTransform = 1;
+    transformChanged();
 }
 
 /*!
@@ -10086,6 +10096,9 @@ bool QGraphicsTextItem::sceneEvent(QEvent *event)
 #endif //QT_NO_IM
         }
         break;
+    case QEvent::ShortcutOverride:
+        dd->sendControlEvent(event);
+        return true;
     default:
         break;
     }
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index f922842..8c7fbb4 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -284,6 +284,7 @@ public:
     void setEnabledHelper(bool newEnabled, bool explicitly, bool update = true);
     bool discardUpdateRequest(bool ignoreVisibleBit = false,
                               bool ignoreDirtyBit = false, bool ignoreOpacity = false) const;
+    virtual void transformChanged() {}
     int depth() const;
 #ifndef QT_NO_GRAPHICSEFFECT
     enum InvalidateReason {
diff --git a/src/gui/graphicsview/qgraphicsproxywidget.cpp b/src/gui/graphicsview/qgraphicsproxywidget.cpp
index ad7cf5d..1f89714 100644
--- a/src/gui/graphicsview/qgraphicsproxywidget.cpp
+++ b/src/gui/graphicsview/qgraphicsproxywidget.cpp
@@ -1024,9 +1024,18 @@ void QGraphicsProxyWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent *even
     // Map event position from us to the receiver
     pos = d->mapToReceiver(pos, receiver);
 
+    QPoint globalPos = receiver->mapToGlobal(pos.toPoint());
+    //If the receiver by-pass the proxy its popups
+    //will be top level QWidgets therefore they need
+    //the screen position. mapToGlobal expect the widget to
+    //have proper coordinates in regards of the windowing system
+    //but it's not true because the widget is embedded.
+    if (bypassGraphicsProxyWidget(receiver))
+        globalPos = event->screenPos();
+
     // Send mouse event. ### Doesn't propagate the event.
     QContextMenuEvent contextMenuEvent(QContextMenuEvent::Reason(event->reason()),
-                                       pos.toPoint(), receiver->mapToGlobal(pos.toPoint()), event->modifiers());
+                                       pos.toPoint(), globalPos, event->modifiers());
     QApplication::sendEvent(receiver, &contextMenuEvent);
 
     event->setAccepted(contextMenuEvent.isAccepted());
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index a767987..114de85 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -733,11 +733,13 @@ void QGraphicsViewPrivate::_q_unsetViewportCursor()
     }
 
     // Restore the original viewport cursor.
-    hasStoredOriginalCursor = false;
-    if (dragMode == QGraphicsView::ScrollHandDrag)
-        viewport->setCursor(Qt::OpenHandCursor);
-    else
-        viewport->setCursor(originalCursor);
+    if (hasStoredOriginalCursor) {
+        hasStoredOriginalCursor = false;
+        if (dragMode == QGraphicsView::ScrollHandDrag)
+            viewport->setCursor(Qt::OpenHandCursor);
+        else
+            viewport->setCursor(originalCursor);
+    }
 }
 #endif
 
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index fad51f4..bc52e99 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -879,6 +879,25 @@ QList<QSize> QIcon::availableSizes(Mode mode, State state) const
 }
 
 /*!
+    \since 4.7
+
+    Returns the name used to create the icon, if available.
+
+    Depending on the way the icon was created, it may have an associated
+    name. This is the case for icons created with fromTheme() or icons
+    using a QIconEngine which supports the QIconEngineV2::IconNameHook.
+
+    \sa fromTheme(), QIconEngine
+*/
+QString QIcon::name() const
+{
+    if (!d || !d->engine || d->engine_version < 2)
+        return QString();
+    QIconEngineV2 *engine = static_cast<QIconEngineV2*>(d->engine);
+    return engine->iconName();
+}
+
+/*!
     \since 4.6
 
     Sets the search paths for icon themes to \a paths.
diff --git a/src/gui/image/qicon.h b/src/gui/image/qicon.h
index 2812703..faef07b 100644
--- a/src/gui/image/qicon.h
+++ b/src/gui/image/qicon.h
@@ -81,6 +81,8 @@ public:
 
     QSize actualSize(const QSize &size, Mode mode = Normal, State state = Off) const;
 
+    QString name() const;
+
     void paint(QPainter *painter, const QRect &rect, Qt::Alignment alignment = Qt::AlignCenter, Mode mode = Normal, State state = Off) const;
     inline void paint(QPainter *painter, int x, int y, int w, int h, Qt::Alignment alignment = Qt::AlignCenter, Mode mode = Normal, State state = Off) const
         { paint(painter, QRect(x, y, w, h), alignment, mode, state); }
diff --git a/src/gui/image/qiconengine.cpp b/src/gui/image/qiconengine.cpp
index 4c7c728..050d48d 100644
--- a/src/gui/image/qiconengine.cpp
+++ b/src/gui/image/qiconengine.cpp
@@ -183,6 +183,10 @@ void QIconEngine::addFile(const QString &/*fileName*/, const QSize &/*size*/, QI
     that should be filled with icon sizes. Engines that work in terms
     of a scalable, vectorial format normally return an empty list.
 
+    \value IconNameHook Allows to query the name used to create the
+    icon, for example when instantiating an icon using
+    QIcon::fromTheme().
+
     \sa virtual_hook()
  */
 
@@ -301,4 +305,20 @@ QList<QSize> QIconEngineV2::availableSizes(QIcon::Mode mode, QIcon::State state)
     return arg.sizes;
 }
 
+/*!
+    \since 4.7
+
+    Returns the name used to create the engine, if available.
+
+    \note This is a helper method and the actual work is done by
+    virtual_hook() method, hence this method depends on icon engine support
+    and may not work with all icon engines.
+ */
+QString QIconEngineV2::iconName()
+{
+    QString name;
+    virtual_hook(QIconEngineV2::IconNameHook, reinterpret_cast<void*>(&name));
+    return name;
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/image/qiconengine.h b/src/gui/image/qiconengine.h
index 1f9266b..6d8b6ad 100644
--- a/src/gui/image/qiconengine.h
+++ b/src/gui/image/qiconengine.h
@@ -80,7 +80,7 @@ public:
     virtual void virtual_hook(int id, void *data);
 
 public:
-    enum IconEngineHook { AvailableSizesHook = 1 };
+    enum IconEngineHook { AvailableSizesHook = 1, IconNameHook };
 
     struct AvailableSizesArgument
     {
@@ -92,6 +92,9 @@ public:
     // ### Qt 5: make this function const and virtual.
     QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
                                 QIcon::State state = QIcon::Off);
+
+    // ### Qt 5: make this function const and virtual.
+    QString iconName();
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/image/qiconloader.cpp b/src/gui/image/qiconloader.cpp
index 72ec2e8..a515ef8 100644
--- a/src/gui/image/qiconloader.cpp
+++ b/src/gui/image/qiconloader.cpp
@@ -554,6 +554,12 @@ void QIconLoaderEngine::virtual_hook(int id, void *data)
             }
         }
         break;
+    case QIconEngineV2::IconNameHook:
+        {
+            QString &name = *reinterpret_cast<QString*>(data);
+            name = m_iconName;
+        }
+        break;
     default:
         QIconEngineV2::virtual_hook(id, data);
     }
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 1d8eb4c..fb2837e 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -79,6 +79,7 @@ extern void qt_wince_hide_taskbar(HWND hwnd); //defined in qguifunctions_wince.c
 #include "qlayout.h"
 #include "qtooltip.h"
 #include "qt_windows.h"
+#include "qscrollbar.h"
 #if defined(QT_NON_COMMERCIAL)
 #include "qnc_win.h"
 #endif
@@ -701,6 +702,21 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
     QApplication::setPalette(menu, "QMenuBar");
 }
 
+static void qt_set_windows_updateScrollBar(QWidget *widget)
+{
+    QList<QObject*> children = widget->children();
+    for (int i = 0; i < children.size(); ++i) {
+        QObject *o = children.at(i);
+        if(!o->isWidgetType())
+            continue;
+        if (QWidget *w = static_cast<QWidget *>(o))
+            qt_set_windows_updateScrollBar(w);
+    }
+    if (qobject_cast<QScrollBar*>(widget))
+        widget->updateGeometry();
+}
+
+
 /*****************************************************************************
   qt_init() - initializes Qt for Windows
  *****************************************************************************/
@@ -1930,6 +1946,15 @@ extern "C" LRESULT QT_WIN_CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wPa
                     }
                 }
             }
+            else if (msg.wParam == SPI_SETNONCLIENTMETRICS) {
+                widget = (QETWidget*)QWidget::find(hwnd);
+                if (widget && !widget->parentWidget()) {
+                    qt_set_windows_updateScrollBar(widget);
+                    QEvent e(QEvent::LayoutRequest);
+                    QApplication::sendEvent(widget, &e);
+                }
+        }
+
             break;
 
         case WM_PAINT:                                // paint event
diff --git a/src/gui/kernel/qcocoamenuloader_mac.mm b/src/gui/kernel/qcocoamenuloader_mac.mm
index b58fd7c..8d65aa1 100644
--- a/src/gui/kernel/qcocoamenuloader_mac.mm
+++ b/src/gui/kernel/qcocoamenuloader_mac.mm
@@ -53,6 +53,12 @@
 QT_FORWARD_DECLARE_CLASS(QCFString)
 QT_FORWARD_DECLARE_CLASS(QString)
 
+#ifndef QT_NO_TRANSLATION
+    QT_BEGIN_NAMESPACE
+    extern QString qt_mac_applicationmenu_string(int type);
+    QT_END_NAMESPACE
+#endif
+
 QT_USE_NAMESPACE
 
 @implementation QT_MANGLE_NAMESPACE(QCocoaMenuLoader)
@@ -226,7 +232,6 @@ QT_USE_NAMESPACE
 - (void)qtTranslateApplicationMenu
 {
 #ifndef QT_NO_TRANSLATION
-    extern QString qt_mac_applicationmenu_string(int type);
     [servicesItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(0))];
     [hideItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(1).arg(qAppName()))];
     [hideAllOthersItem setTitle: qt_mac_QStringToNSString(qt_mac_applicationmenu_string(2))];
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index ec00915..e94d247 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -101,6 +101,17 @@ QT_END_NAMESPACE
     return !(isPopup || isToolTip || isTool);
 }
 
+- (void)becomeMainWindow
+{
+    [super becomeMainWindow];
+    // Cocoa sometimes tell a hidden window to become the
+    // main window (and as such, show it). This can e.g
+    // happend when the application gets activated. If
+    // this is the case, we tell it to hide again:
+    if (![self isVisible])
+        [self orderOut:self];
+}
+
 - (void)toggleToolbarShown:(id)sender
 {
     macSendToolbarChangeEvent([self QT_MANGLE_NAMESPACE(qt_qwidget)]);
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 10fa4b9..441e823 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -7307,9 +7307,9 @@ void QWidgetPrivate::show_helper()
     setVisible(false).
 
 
-    \note If you are working with QDialog or its subclasses and you invoke
-    the show() function after this function, the dialog will be displayed in
-    its original position.
+    \note Since Qt 4.7, when calling hide() and then show() on QDialog
+    derived widgets will show on the previous (as in "Where the user moved it to")
+    position.
 
     \sa hideEvent(), isHidden(), show(), setVisible(), isVisible(), close()
 */
@@ -7322,7 +7322,7 @@ void QWidgetPrivate::hide_helper()
 
     bool isEmbedded = false;
 #if !defined QT_NO_GRAPHICSVIEW
-    isEmbedded = q->isWindow() && nearestGraphicsProxyWidget(q->parentWidget()) != 0;
+    isEmbedded = q->isWindow() && !bypassGraphicsProxyWidget(q) && nearestGraphicsProxyWidget(q->parentWidget()) != 0;
 #else
     Q_UNUSED(isEmbedded);
 #endif
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp
index a08c79e..7ff2a37 100644
--- a/src/gui/painting/qbezier.cpp
+++ b/src/gui/painting/qbezier.cpp
@@ -612,88 +612,6 @@ give_up:
     return o - curveSegments;
 }
 
-#if 0
-static inline bool IntersectBB(const QBezier &a, const QBezier &b)
-{
-    return a.bounds().intersects(b.bounds());
-}
-#else
-static int IntersectBB(const QBezier &a, const QBezier &b)
-{
-    // Compute bounding box for a
-    qreal minax, maxax, minay, maxay;
-    if (a.x1 > a.x4)	 // These are the most likely to be extremal
-	minax = a.x4, maxax = a.x1;
-    else
-	minax = a.x1, maxax = a.x4;
-
-    if (a.x3 < minax)
-	minax = a.x3;
-    else if (a.x3 > maxax)
-	maxax = a.x3;
-
-    if (a.x2 < minax)
-	minax = a.x2;
-    else if (a.x2 > maxax)
-	maxax = a.x2;
-
-    if (a.y1 > a.y4)
-	minay = a.y4, maxay = a.y1;
-    else
-	minay = a.y1, maxay = a.y4;
-
-    if (a.y3 < minay)
-	minay = a.y3;
-    else if (a.y3 > maxay)
-	maxay = a.y3;
-
-    if (a.y2 < minay)
-	minay = a.y2;
-    else if (a.y2 > maxay)
-	maxay = a.y2;
-
-    // Compute bounding box for b
-    qreal minbx, maxbx, minby, maxby;
-    if (b.x1 > b.x4)
-	minbx = b.x4, maxbx = b.x1;
-    else
-	minbx = b.x1, maxbx = b.x4;
-
-    if (b.x3 < minbx)
-	minbx = b.x3;
-    else if (b.x3 > maxbx)
-	maxbx = b.x3;
-
-    if (b.x2 < minbx)
-	minbx = b.x2;
-    else if (b.x2 > maxbx)
-	maxbx = b.x2;
-
-    if (b.y1 > b.y4)
-	minby = b.y4, maxby = b.y1;
-    else
-	minby = b.y1, maxby = b.y4;
-
-    if (b.y3 < minby)
-	minby = b.y3;
-    else if (b.y3 > maxby)
-	maxby = b.y3;
-
-    if (b.y2 < minby)
-	minby = b.y2;
-    else if (b.y2 > maxby)
-	maxby = b.y2;
-
-    // Test bounding box of b against bounding box of a
-    if ((minax > maxbx) || (minay > maxby)  // Not >= : need boundary case
-	|| (minbx > maxax) || (minby > maxay))
-	return 0; // they don't intersect
-    else
-	return 1; // they intersect
-}
-#endif
-
-
 #ifdef QDEBUG_BEZIER
 static QDebug operator<<(QDebug dbg, const QBezier &bz)
 {
@@ -705,193 +623,6 @@ static QDebug operator<<(QDebug dbg, const QBezier &bz)
 }
 #endif
 
-static bool RecursivelyIntersect(const QBezier &a, qreal t0, qreal t1, int deptha,
-                                 const QBezier &b, qreal u0, qreal u1, int depthb,
-                                 QVector<QPair<qreal, qreal> > *t)
-{
-#ifdef QDEBUG_BEZIER
-    static int I = 0;
-    int currentD = I;
-    fprintf(stderr, "%d) t0 = %lf, t1 = %lf, deptha = %d\n"
-            "u0 = %lf, u1 = %lf, depthb = %d\n", I++, t0, t1, deptha,
-            u0, u1, depthb);
-#endif
-    if (deptha > 0) {
-	QBezier A[2];
-        a.split(&A[0], &A[1]);
-	qreal tmid = (t0+t1)*0.5;
-        //qDebug()<<"\t1)"<<A[0];
-        //qDebug()<<"\t2)"<<A[1];
-	deptha--;
-	if (depthb > 0) {
-	    QBezier B[2];
-            b.split(&B[0], &B[1]);
-            //qDebug()<<"\t3)"<<B[0];
-            //qDebug()<<"\t4)"<<B[1];
-	    qreal umid = (u0+u1)*0.5;
-	    depthb--;
-	    if (IntersectBB(A[0], B[0])) {
-                //fprintf(stderr, "\t 1 from %d\n", currentD);
-		if (RecursivelyIntersect(A[0], t0, tmid, deptha,
-				     B[0], u0, umid, depthb,
-				     t) && !t)
-                    return true;
-            }
-	    if (IntersectBB(A[1], B[0])) {
-                //fprintf(stderr, "\t 2 from %d\n", currentD);
-		if (RecursivelyIntersect(A[1], tmid, t1, deptha,
-                                     B[0], u0, umid, depthb,
-                                     t) && !t)
-                    return true;
-            }
-	    if (IntersectBB(A[0], B[1])) {
-                //fprintf(stderr, "\t 3 from %d\n", currentD);
-		if (RecursivelyIntersect(A[0], t0, tmid, deptha,
-                                     B[1], umid, u1, depthb,
-                                     t) && !t)
-                    return true;
-            }
-	    if (IntersectBB(A[1], B[1])) {
-                //fprintf(stderr, "\t 4 from %d\n", currentD);
-		if (RecursivelyIntersect(A[1], tmid, t1, deptha,
-				     B[1], umid, u1, depthb,
-				     t) && !t)
-                    return true;
-            }
-            return t ? !t->isEmpty() : false;
-        } else {
-	    if (IntersectBB(A[0], b)) {
-                //fprintf(stderr, "\t 5 from %d\n", currentD);
-		if (RecursivelyIntersect(A[0], t0, tmid, deptha,
-				     b, u0, u1, depthb,
-				     t) && !t)
-                    return true;
-            }
-	    if (IntersectBB(A[1], b)) {
-                //fprintf(stderr, "\t 6 from %d\n", currentD);
-		if (RecursivelyIntersect(A[1], tmid, t1, deptha,
-                                     b, u0, u1, depthb,
-                                     t) && !t)
-                    return true;
-            }
-            return t ? !t->isEmpty() : false;
-        }
-    } else {
-	if (depthb > 0) {
-	    QBezier B[2];
-            b.split(&B[0], &B[1]);
-	    qreal umid = (u0 + u1)*0.5;
-	    depthb--;
-	    if (IntersectBB(a, B[0])) {
-                //fprintf(stderr, "\t 7 from %d\n", currentD);
-		if (RecursivelyIntersect(a, t0, t1, deptha,
-                                     B[0], u0, umid, depthb,
-                                     t) && !t)
-                    return true;
-            }
-	    if (IntersectBB(a, B[1])) {
-                //fprintf(stderr, "\t 8 from %d\n", currentD);
-		if (RecursivelyIntersect(a, t0, t1, deptha,
-                                     B[1], umid, u1, depthb,
-                                     t) && !t)
-                    return true;
-            }
-            return t ? !t->isEmpty() : false;
-        }
-	else {
-            // Both segments are fully subdivided; now do line segments
-	    qreal xlk = a.x4 - a.x1;
-	    qreal ylk = a.y4 - a.y1;
-	    qreal xnm = b.x4 - b.x1;
-	    qreal ynm = b.y4 - b.y1;
-	    qreal xmk = b.x1 - a.x1;
-	    qreal ymk = b.y1 - a.y1;
-	    qreal det = xnm * ylk - ynm * xlk;
-	    if (1.0 + det == 1.0) {
-		return false;
-            } else {
-                qreal detinv = 1.0 / det;
-                qreal rs = (xnm * ymk - ynm *xmk) * detinv;
-                qreal rt = (xlk * ymk - ylk * xmk) * detinv;
-                if ((rs < 0.0) || (rs > 1.0) || (rt < 0.0) || (rt > 1.0))
-                    return false;
-
-                if (t) {
-                    const qreal alpha_a = t0 + rs * (t1 - t0);
-                    const qreal alpha_b = u0 + rt * (u1 - u0);
-
-                    *t << qMakePair(alpha_a, alpha_b);
-                }
-
-                return true;
-            }
-        }
-    }
-}
-
-QVector< QPair<qreal, qreal> > QBezier::findIntersections(const QBezier &a, const QBezier &b)
-{
-    QVector< QPair<qreal, qreal> > v(2);
-    findIntersections(a, b, &v);
-    return v;
-}
-
-bool QBezier::findIntersections(const QBezier &a, const QBezier &b,
-                                QVector<QPair<qreal, qreal> > *t)
-{
-    if (IntersectBB(a, b)) {
-        QPointF la1(qFabs((a.x3 - a.x2) - (a.x2 - a.x1)),
-                    qFabs((a.y3 - a.y2) - (a.y2 - a.y1)));
-	QPointF la2(qFabs((a.x4 - a.x3) - (a.x3 - a.x2)),
-                    qFabs((a.y4 - a.y3) - (a.y3 - a.y2)));
-	QPointF la;
-	if (la1.x() > la2.x()) la.setX(la1.x()); else la.setX(la2.x());
-	if (la1.y() > la2.y()) la.setY(la1.y()); else la.setY(la2.y());
-	QPointF lb1(qFabs((b.x3 - b.x2) - (b.x2 - b.x1)),
-                    qFabs((b.y3 - b.y2) - (b.y2 - b.y1)));
-	QPointF lb2(qFabs((b.x4 - b.x3) - (b.x3 - b.x2)),
-                    qFabs((b.y4 - b.y3) - (b.y3 - b.y2)));
-	QPointF lb;
-	if (lb1.x() > lb2.x()) lb.setX(lb1.x()); else lb.setX(lb2.x());
-	if (lb1.y() > lb2.y()) lb.setY(lb1.y()); else lb.setY(lb2.y());
-	qreal l0;
-	if (la.x() > la.y())
-	    l0 = la.x();
-	else
-	    l0 = la.y();
-	int ra;
-	if (l0 * 0.75 * M_SQRT2 + 1.0 == 1.0)
-	    ra = 0;
-	else
-	    ra = qCeil(log4(M_SQRT2 * 6.0 / 8.0 * INV_EPS * l0));
-	if (lb.x() > lb.y())
-	    l0 = lb.x();
-	else
-	    l0 = lb.y();
-	int rb;
-	if (l0 * 0.75 * M_SQRT2 + 1.0 == 1.0)
-	    rb = 0;
-	else
-	    rb = qCeil(log4(M_SQRT2 * 6.0 / 8.0 * INV_EPS * l0));
-
-        // if qreal is float then halve the number of subdivisions
-        if (sizeof(qreal) == 4) {
-            ra /= 2;
-            rb /= 2;
-        }
-
-	return RecursivelyIntersect(a, 0., 1., ra, b, 0., 1., rb, t);
-    }
-
-    //Don't sort here because it breaks the orders of corresponding
-    //  intersections points. this way t's at the same locations correspond
-    //  to the same intersection point.
-    //qSort(parameters[0].begin(), parameters[0].end(), qLess<qreal>());
-    //qSort(parameters[1].begin(), parameters[1].end(), qLess<qreal>());
-
-    return false;
-}
-
 static inline void splitBezierAt(const QBezier &bez, qreal t,
                                  QBezier *left, QBezier *right)
 {
@@ -920,42 +651,6 @@ static inline void splitBezierAt(const QBezier &bez, qreal t,
     right->y4 = bez.y4;
 }
 
-QVector< QList<QBezier> > QBezier::splitAtIntersections(QBezier &b)
-{
-    QVector< QList<QBezier> > curves(2);
-
-    QVector< QPair<qreal, qreal> > allInters = findIntersections(*this, b);
-
-    QList<qreal> inters1;
-    QList<qreal> inters2;
-
-    for (int i = 0; i < allInters.size(); ++i) {
-        inters1 << allInters[i].first;
-        inters2 << allInters[i].second;
-    }
-
-    qSort(inters1.begin(), inters1.end(), qLess<qreal>());
-    qSort(inters2.begin(), inters2.end(), qLess<qreal>());
-
-    Q_ASSERT(inters1.count() == inters2.count());
-
-    int i;
-    for (i = 0; i < inters1.count(); ++i) {
-        qreal t1 = inters1.at(i);
-        qreal t2 = inters2.at(i);
-
-        QBezier curve1, curve2;
-        parameterSplitLeft(t1, &curve1);
-	b.parameterSplitLeft(t2, &curve2);
-        curves[0].append(curve1);
-        curves[0].append(curve2);
-    }
-    curves[0].append(*this);
-    curves[1].append(b);
-
-    return curves;
-}
-
 qreal QBezier::length(qreal error) const
 {
     qreal length = 0.0;
diff --git a/src/gui/painting/qbezier_p.h b/src/gui/painting/qbezier_p.h
index f015ea8..846635f 100644
--- a/src/gui/painting/qbezier_p.h
+++ b/src/gui/painting/qbezier_p.h
@@ -111,16 +111,7 @@ public:
     int shifted(QBezier *curveSegments, int maxSegmets,
                 qreal offset, float threshold) const;
 
-    QVector< QList<QBezier> > splitAtIntersections(QBezier &a);
-
     QBezier bezierOnInterval(qreal t0, qreal t1) const;
-
-    static QVector< QPair<qreal, qreal> > findIntersections(const QBezier &a,
-                                                     const QBezier &b);
-
-    static bool findIntersections(const QBezier &a, const QBezier &b,
-                                  QVector<QPair<qreal, qreal> > *t);
-
     QBezier getSubRange(qreal t0, qreal t1) const;
 
     qreal x1, y1, x2, y2, x3, y3, x4, y4;
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index b440fce..bfa1136 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -674,6 +674,11 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
     int image_width = data->texture.width;
     int image_height = data->texture.height;
 
+    int image_x1 = data->texture.x1;
+    int image_y1 = data->texture.y1;
+    int image_x2 = data->texture.x2;
+    int image_y2 = data->texture.y2;
+
     const qreal cx = x + 0.5;
     const qreal cy = y + 0.5;
 
@@ -708,17 +713,17 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
                 y2 = y1 + 1;
                 y2 %= image_height;
             } else {
-                if (x1 < 0) {
-                    x2 = x1 = 0;
-                } else if (x1 >= image_width - 1) {
-                    x2 = x1 = image_width - 1;
+                if (x1 < image_x1) {
+                    x2 = x1 = image_x1;
+                } else if (x1 >= image_x2 - 1) {
+                    x2 = x1 = image_x2 - 1;
                 } else {
                     x2 = x1 + 1;
                 }
-                if (y1 < 0) {
-                    y2 = y1 = 0;
-                } else if (y1 >= image_height - 1) {
-                    y2 = y1 = image_height - 1;
+                if (y1 < image_y1) {
+                    y2 = y1 = image_y1;
+                } else if (y1 >= image_y2 - 1) {
+                    y2 = y1 = image_y2 - 1;
                 } else {
                     y2 = y1 + 1;
                 }
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 8f14583..9148ac2 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -2552,7 +2552,7 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
     int sr_t = qFloor(sr.top());
     int sr_b = qCeil(sr.bottom()) - 1;
 
-    if (!s->flags.antialiased && sr_l == sr_r && sr_t == sr_b) {
+    if (s->matrix.type() <= QTransform::TxScale && !s->flags.antialiased && sr_l == sr_r && sr_t == sr_b) {
         // as fillRect will apply the aliased coordinate delta we need to
         // subtract it here as we don't use it for image drawing
         QTransform old = s->matrix;
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index 9366513..a78cafb 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -974,6 +974,9 @@ void QPaintEngineEx::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, con
 void QPaintEngineEx::drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount,
                                          const QPixmap &pixmap, QPainter::PixmapFragmentHints /*hints*/)
 {
+    if (pixmap.isNull())
+        return;
+
     qreal oldOpacity = state()->opacity;
     QTransform oldTransform = state()->matrix;
 
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index f78de34..f5a698e 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1914,7 +1914,7 @@ static bool qt_painterpath_check_crossing(const QPainterPath *path, const QRectF
 
         case QPainterPath::MoveToElement:
             if (i > 0
-                && qFuzzyCompare(last_pt.x(), last_start.y())
+                && qFuzzyCompare(last_pt.x(), last_start.x())
                 && qFuzzyCompare(last_pt.y(), last_start.y())
                 && qt_painterpath_isect_line_rect(last_pt.x(), last_pt.y(),
                                                   last_start.x(), last_start.y(), rect))
@@ -3167,6 +3167,8 @@ void QPainterPath::addRoundRect(const QRectF &r, int xRnd, int yRnd)
 
     Set operations on paths will treat the paths as areas. Non-closed
     paths will be treated as implicitly closed.
+    Bezier curves may be flattened to line segments due to numerical instability of
+    doing bezier curve intersections.
 
     \sa intersected(), subtracted()
 */
@@ -3182,6 +3184,8 @@ QPainterPath QPainterPath::united(const QPainterPath &p) const
     \since 4.3
 
     Returns a path which is the intersection of this path's fill area and \a p's fill area.
+    Bezier curves may be flattened to line segments due to numerical instability of
+    doing bezier curve intersections.
 */
 QPainterPath QPainterPath::intersected(const QPainterPath &p) const
 {
@@ -3198,7 +3202,8 @@ QPainterPath QPainterPath::intersected(const QPainterPath &p) const
 
     Set operations on paths will treat the paths as areas. Non-closed
     paths will be treated as implicitly closed.
-
+    Bezier curves may be flattened to line segments due to numerical instability of
+    doing bezier curve intersections.
 */
 QPainterPath QPainterPath::subtracted(const QPainterPath &p) const
 {
@@ -3227,6 +3232,8 @@ QPainterPath QPainterPath::subtractedInverted(const QPainterPath &p) const
     Returns a simplified version of this path. This implies merging all subpaths that intersect,
     and returning a path containing no intersecting edges. Consecutive parallel lines will also
     be merged. The simplified path will always use the default fill rule, Qt::OddEvenFill.
+    Bezier curves may be flattened to line segments due to numerical instability of
+    doing bezier curve intersections.
 */
 QPainterPath QPainterPath::simplified() const
 {
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 00e74ba..9dedf3a 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -105,22 +105,10 @@ public:
     bool hasIntersections(const QPathSegments &a, const QPathSegments &b) const;
 
 private:
-    void intersectBeziers(const QBezier &one, const QBezier &two, QVector<QPair<qreal, qreal> > &t, QDataBuffer<QIntersection> &intersections);
     void intersectLines(const QLineF &a, const QLineF &b, QDataBuffer<QIntersection> &intersections);
-
-    bool beziersIntersect(const QBezier &one, const QBezier &two) const;
     bool linesIntersect(const QLineF &a, const QLineF &b) const;
 };
 
-bool QIntersectionFinder::beziersIntersect(const QBezier &one, const QBezier &two) const
-{
-    return (comparePoints(one.pt1(), two.pt1()) && comparePoints(one.pt2(), two.pt2())
-            && comparePoints(one.pt3(), two.pt3()) && comparePoints(one.pt4(), two.pt4()))
-           || (comparePoints(one.pt1(), two.pt4()) && comparePoints(one.pt2(), two.pt3())
-               && comparePoints(one.pt3(), two.pt2()) && comparePoints(one.pt4(), two.pt1()))
-           || QBezier::findIntersections(one, two, 0);
-}
-
 bool QIntersectionFinder::linesIntersect(const QLineF &a, const QLineF &b) const
 {
     const QPointF p1 = a.p1();
@@ -174,11 +162,6 @@ bool QIntersectionFinder::linesIntersect(const QLineF &a, const QLineF &b) const
         return false;
     }
 
-    // if the lines are not parallel and share a common end point, then they
-    // don't intersect
-    if (p1_equals_q1 || p1_equals_q2 || p2_equals_q1 || p2_equals_q2)
-        return false;
-
     const qreal invPar = 1 / par;
 
     const qreal tp = (qDelta.y() * (q1.x() - p1.x()) -
@@ -193,48 +176,6 @@ bool QIntersectionFinder::linesIntersect(const QLineF &a, const QLineF &b) const
     return tq >= 0 && tq <= 1;
 }
 
-void QIntersectionFinder::intersectBeziers(const QBezier &one, const QBezier &two, QVector<QPair<qreal, qreal> > &t, QDataBuffer<QIntersection> &intersections)
-{
-    if ((comparePoints(one.pt1(), two.pt1()) && comparePoints(one.pt2(), two.pt2())
-         && comparePoints(one.pt3(), two.pt3()) && comparePoints(one.pt4(), two.pt4()))
-        || (comparePoints(one.pt1(), two.pt4()) && comparePoints(one.pt2(), two.pt3())
-            && comparePoints(one.pt3(), two.pt2()) && comparePoints(one.pt4(), two.pt1()))) {
-
-        return;
-    }
-
-    t.clear();
-
-    if (!QBezier::findIntersections(one, two, &t))
-        return;
-
-    int count = t.size();
-
-    for (int i = 0; i < count; ++i) {
-        qreal alpha_p = t.at(i).first;
-        qreal alpha_q = t.at(i).second;
-
-        QPointF pt;
-        if (qFuzzyIsNull(alpha_p)) {
-            pt = one.pt1();
-        } else if (qFuzzyIsNull(alpha_p - 1)) {
-            pt = one.pt4();
-        } else if (qFuzzyIsNull(alpha_q)) {
-            pt = two.pt1();
-        } else if (qFuzzyIsNull(alpha_q - 1)) {
-            pt = two.pt4();
-        } else {
-            pt = one.pointAt(alpha_p);
-        }
-
-        QIntersection intersection;
-        intersection.alphaA = alpha_p;
-        intersection.alphaB = alpha_q;
-        intersection.pos = pt;
-        intersections.add(intersection);
-    }
-}
-
 void QIntersectionFinder::intersectLines(const QLineF &a, const QLineF &b, QDataBuffer<QIntersection> &intersections)
 {
     const QPointF p1 = a.p1();
@@ -357,19 +298,8 @@ void QIntersectionFinder::intersectLines(const QLineF &a, const QLineF &b, QData
     intersections.add(intersection);
 }
 
-static const QBezier bezierFromLine(const QLineF &line)
-{
-    const QPointF p1 = line.p1();
-    const QPointF p2 = line.p2();
-    const QPointF delta = (p2 - p1) / 3;
-    return QBezier::fromPoints(p1, p1 + delta, p1 + 2 * delta, p2);
-}
-
 bool QIntersectionFinder::hasIntersections(const QPathSegments &a, const QPathSegments &b) const
 {
-    QBezier tempA;
-    QBezier tempB;
-
     if (a.segments() == 0 || b.segments() == 0)
         return false;
 
@@ -391,9 +321,6 @@ bool QIntersectionFinder::hasIntersections(const QPathSegments &a, const QPathSe
     QRectF rb(minX, minY, maxX - minX, maxY - minY);
 
     for (int i = 0; i < a.segments(); ++i) {
-        const QBezier *bezierA = a.bezierAt(i);
-        bool isBezierA = bezierA != 0;
-
         const QRectF &r1 = a.elementBounds(i);
 
         if (r1.left() > rb.right() || rb.left() > r1.right())
@@ -409,28 +336,8 @@ bool QIntersectionFinder::hasIntersections(const QPathSegments &a, const QPathSe
             if (r1.top() > r2.bottom() || r2.top() > r1.bottom())
                 continue;
 
-            bool isBezierB = b.bezierAt(j) != 0;
-
-            if (isBezierA || isBezierB) {
-                const QBezier *bezierB;
-                if (isBezierB) {
-                    bezierB = b.bezierAt(j);
-                } else {
-                    tempB = bezierFromLine(b.lineAt(j));
-                    bezierB = &tempB;
-                }
-
-                if (!bezierA) {
-                    tempA = bezierFromLine(a.lineAt(i));
-                    bezierA = &tempA;
-                }
-
-                if (beziersIntersect(*bezierA, *bezierB))
-                    return true;
-            } else {
-                if (linesIntersect(a.lineAt(i), b.lineAt(j)))
-                    return true;
-            }
+            if (linesIntersect(a.lineAt(i), b.lineAt(j)))
+                return true;
         }
     }
 
@@ -439,16 +346,10 @@ bool QIntersectionFinder::hasIntersections(const QPathSegments &a, const QPathSe
 
 void QIntersectionFinder::produceIntersections(QPathSegments &segments)
 {
-    QBezier tempA;
-    QBezier tempB;
-
     QVector<QPair<qreal, qreal> > t;
     QDataBuffer<QIntersection> intersections;
 
     for (int i = 0; i < segments.segments(); ++i) {
-        const QBezier *bezierA = segments.bezierAt(i);
-        bool isBezierA = bezierA != 0;
-
         const QRectF &r1 = segments.elementBounds(i);
 
         for (int j = 0; j < i; ++j) {
@@ -461,29 +362,10 @@ void QIntersectionFinder::produceIntersections(QPathSegments &segments)
 
             intersections.reset();
 
-            bool isBezierB = segments.bezierAt(j) != 0;
+            const QLineF lineA = segments.lineAt(i);
+            const QLineF lineB = segments.lineAt(j);
 
-            if (isBezierA || isBezierB) {
-                const QBezier *bezierB;
-                if (isBezierB) {
-                    bezierB = segments.bezierAt(j);
-                } else {
-                    tempB = bezierFromLine(segments.lineAt(j));
-                    bezierB = &tempB;
-                }
-
-                if (!bezierA) {
-                    tempA = bezierFromLine(segments.lineAt(i));
-                    bezierA = &tempA;
-                }
-
-                intersectBeziers(*bezierA, *bezierB, t, intersections);
-            } else {
-                const QLineF lineA = segments.lineAt(i);
-                const QLineF lineB = segments.lineAt(j);
-
-                intersectLines(lineA, lineB, intersections);
-            }
+            intersectLines(lineA, lineB, intersections);
 
             for (int k = 0; k < intersections.size(); ++k) {
                 QPathSegments::Intersection i_isect, j_isect;
@@ -731,53 +613,34 @@ void QWingedEdge::intersectAndAdd()
 
         qSort(intersections.data(), intersections.data() + intersections.size());
 
-        const QBezier *bezier = m_segments.bezierAt(i);
-        if (bezier) {
-            int first = m_segments.segmentAt(i).va;
-            int second = m_segments.segmentAt(i).vb;
-
-            qreal alpha = 0.0;
-            int last = first;
-            for (int j = 0; j < intersections.size(); ++j) {
-                const QPathSegments::Intersection &isect = intersections.at(j);
+        int first = m_segments.segmentAt(i).va;
+        int second = m_segments.segmentAt(i).vb;
 
-                addBezierEdge(bezier, last, isect.vertex, alpha, isect.t, pathId);
+        int last = first;
+        for (int j = 0; j < intersections.size(); ++j) {
+            const QPathSegments::Intersection &isect = intersections.at(j);
 
-                alpha = isect.t;
-                last = isect.vertex;
-            }
-
-            addBezierEdge(bezier, last, second, alpha, 1.0, pathId);
-        } else {
-            int first = m_segments.segmentAt(i).va;
-            int second = m_segments.segmentAt(i).vb;
-
-            int last = first;
-            for (int j = 0; j < intersections.size(); ++j) {
-                const QPathSegments::Intersection &isect = intersections.at(j);
-
-                QPathEdge *ep = edge(addEdge(last, isect.vertex));
-
-                if (ep) {
-                    const int dir = m_segments.pointAt(last).y() < m_segments.pointAt(isect.vertex).y() ? 1 : -1;
-                    if (pathId == 0)
-                        ep->windingA += dir;
-                    else
-                        ep->windingB += dir;
-                }
-
-                last = isect.vertex;
-            }
-
-            QPathEdge *ep = edge(addEdge(last, second));
+            QPathEdge *ep = edge(addEdge(last, isect.vertex));
 
             if (ep) {
-                const int dir = m_segments.pointAt(last).y() < m_segments.pointAt(second).y() ? 1 : -1;
+                const int dir = m_segments.pointAt(last).y() < m_segments.pointAt(isect.vertex).y() ? 1 : -1;
                 if (pathId == 0)
                     ep->windingA += dir;
                 else
                     ep->windingB += dir;
             }
+
+            last = isect.vertex;
+        }
+
+        QPathEdge *ep = edge(addEdge(last, second));
+
+        if (ep) {
+            const int dir = m_segments.pointAt(last).y() < m_segments.pointAt(second).y() ? 1 : -1;
+            if (pathId == 0)
+                ep->windingA += dir;
+            else
+                ep->windingB += dir;
         }
     }
 }
@@ -832,7 +695,6 @@ static bool isLine(const QBezier &bezier)
 void QPathSegments::setPath(const QPainterPath &path)
 {
     m_points.reset();
-    m_beziers.reset();
     m_intersections.reset();
     m_segments.reset();
 
@@ -845,6 +707,9 @@ void QPathSegments::addPath(const QPainterPath &path)
 {
     int firstSegment = m_segments.size();
 
+    QRectF pathBounds = path.boundingRect();
+    qreal invPathScale = 1 / qMax(pathBounds.width(), pathBounds.height());
+
     bool hasMoveTo = false;
     int lastMoveTo = 0;
     int last = 0;
@@ -879,8 +744,26 @@ void QPathSegments::addPath(const QPainterPath &path)
                 if (isLine(bezier)) {
                     m_segments << Segment(m_pathId, last, current);
                 } else {
-                    m_segments << Segment(m_pathId, last, current, m_beziers.size());
-                    m_beziers << bezier;
+                    QRectF bounds = bezier.bounds();
+
+                    qreal segmentScale = qMax(bounds.width(), bounds.height());
+
+                    // threshold based on same algorithm as in qtriangulatingstroker.cpp
+                    int threshold = qMin<float>(64, segmentScale * invPathScale * (512 * 3.14f / 6));
+                    if (threshold < 3) threshold = 3;
+                    qreal one_over_threshold_minus_1 = qreal(1) / (threshold - 1);
+
+                    for (int t = 1; t < threshold - 1; ++t) {
+                        currentPoint = bezier.pointAt(t * one_over_threshold_minus_1);
+
+                        int index = m_points.size();
+                        m_segments << Segment(m_pathId, last, index);
+                        last = index;
+
+                        m_points << currentPoint;
+                    }
+
+                    m_segments << Segment(m_pathId, last, current);
                 }
             }
             last = current;
@@ -896,24 +779,19 @@ void QPathSegments::addPath(const QPainterPath &path)
         m_segments << Segment(m_pathId, last, lastMoveTo);
 
     for (int i = firstSegment; i < m_segments.size(); ++i) {
-        const QBezier *bezier = bezierAt(i);
-        if (bezier) {
-            m_segments.at(i).bounds = bezier->bounds();
-        } else {
-            const QLineF line = lineAt(i);
+        const QLineF line = lineAt(i);
 
-            qreal x1 = line.p1().x();
-            qreal y1 = line.p1().y();
-            qreal x2 = line.p2().x();
-            qreal y2 = line.p2().y();
+        qreal x1 = line.p1().x();
+        qreal y1 = line.p1().y();
+        qreal x2 = line.p2().x();
+        qreal y2 = line.p2().y();
 
-            if (x2 < x1)
-                qSwap(x1, x2);
-            if (y2 < y1)
-                qSwap(y1, y2);
+        if (x2 < x1)
+            qSwap(x1, x2);
+        if (y2 < y1)
+            qSwap(y1, y2);
 
-            m_segments.at(i).bounds = QRectF(x1, y1, x2 - x1, y2 - y1);
-        }
+        m_segments.at(i).bounds = QRectF(x1, y1, x2 - x1, y2 - y1);
     }
 
     ++m_pathId;
@@ -948,28 +826,17 @@ static inline QPointF tangentAt(const QWingedEdge &list, int vi, int ei)
     const QPathEdge *ep = list.edge(ei);
     Q_ASSERT(ep);
 
-    qreal t;
     qreal sign;
 
     if (ep->first == vi) {
-        t = ep->t0;
         sign = 1;
     } else {
-        t = ep->t1;
         sign = -1;
     }
 
-    QPointF normal;
-    if (ep->bezier) {
-        normal = ep->bezier->derivedAt(t);
-
-        if (qFuzzyIsNull(normal.x()) && qFuzzyIsNull(normal.y()))
-            normal = ep->bezier->secondDerivedAt(t);
-    } else {
-        const QPointF a = *list.vertex(ep->first);
-        const QPointF b = *list.vertex(ep->second);
-        normal = b - a;
-    }
+    const QPointF a = *list.vertex(ep->first);
+    const QPointF b = *list.vertex(ep->second);
+    QPointF normal = b - a;
 
     return normalize(sign * normal);
 }
@@ -979,83 +846,9 @@ static inline QPointF midPoint(const QWingedEdge &list, int ei)
     const QPathEdge *ep = list.edge(ei);
     Q_ASSERT(ep);
 
-    if (ep->bezier) {
-        return ep->bezier->pointAt(0.5 * (ep->t0 + ep->t1));
-    } else {
-        const QPointF a = *list.vertex(ep->first);
-        const QPointF b = *list.vertex(ep->second);
-        return a + 0.5 * (b - a);
-    }
-}
-
-static QBezier transform(const QBezier &bezier, const QPointF &xAxis, const QPointF &yAxis, const QPointF &origin)
-{
-    QPointF points[4] = {
-        bezier.pt1(),
-        bezier.pt2(),
-        bezier.pt3(),
-        bezier.pt4()
-    };
-
-    for (int i = 0; i < 4; ++i) {
-        const QPointF p = points[i] - origin;
-
-        points[i].rx() = dot(xAxis, p);
-        points[i].ry() = dot(yAxis, p);
-    }
-
-    return QBezier::fromPoints(points[0], points[1], points[2], points[3]);
-}
-
-static bool isLeftOf(const QWingedEdge &list, int vi, int ai, int bi)
-{
-    const QPathEdge *ap = list.edge(ai);
-    const QPathEdge *bp = list.edge(bi);
-
-    Q_ASSERT(ap);
-    Q_ASSERT(bp);
-
-    if (!(ap->bezier || bp->bezier))
-        return false;
-
-    const QPointF tangent = tangentAt(list, vi, ai);
-    const QPointF normal(tangent.y(), -tangent.x());
-
-    const QPointF origin = *list.vertex(vi);
-
-    const QPointF dpA = midPoint(list, ai) - origin;
-    const QPointF dpB = midPoint(list, bi) - origin;
-
-    qreal xA = dot(normal, dpA);
-    qreal xB = dot(normal, dpB);
-
-    if (xA <= 0 && xB >= 0)
-        return true;
-
-    if (xA >= 0 && xB <= 0)
-        return false;
-
-    if (!ap->bezier)
-        return xB > 0;
-
-    if (!bp->bezier)
-        return xA < 0;
-
-    // both are beziers on the same side of the tangent
-
-    // transform the beziers into the local coordinate system
-    // such that positive y is along the tangent, and positive x is along the normal
-
-    QBezier bezierA = transform(*ap->bezier, normal, tangent, origin);
-    QBezier bezierB = transform(*bp->bezier, normal, tangent, origin);
-
-    qreal y = qMin(bezierA.pointAt(0.5 * (ap->t0 + ap->t1)).y(),
-                   bezierB.pointAt(0.5 * (bp->t0 + bp->t1)).y());
-
-    xA = bezierA.pointAt(bezierA.tForY(ap->t0, ap->t1, y)).x();
-    xB = bezierB.pointAt(bezierB.tForY(bp->t0, bp->t1, y)).x();
-
-    return xA < xB;
+    const QPointF a = *list.vertex(ep->first);
+    const QPointF b = *list.vertex(ep->second);
+    return a + 0.5 * (b - a);
 }
 
 QWingedEdge::TraversalStatus QWingedEdge::findInsertStatus(int vi, int ei) const
@@ -1084,7 +877,6 @@ QWingedEdge::TraversalStatus QWingedEdge::findInsertStatus(int vi, int ei) const
         status.flip();
 
         Q_ASSERT(edge(status.edge)->vertex(status.direction) == vi);
-
         qreal d2 = delta(vi, ei, status.edge);
 
 #ifdef QDEBUG_CLIPPER
@@ -1092,8 +884,7 @@ QWingedEdge::TraversalStatus QWingedEdge::findInsertStatus(int vi, int ei) const
         qDebug() << "Delta to edge" << status.edge << d2 << ", angles: " << op->angle << op->invAngle;
 #endif
 
-        if (!(qFuzzyIsNull(d2) && isLeftOf(*this, vi, status.edge, ei))
-            && (d2 < d || (qFuzzyCompare(d2, d) && isLeftOf(*this, vi, status.edge, position)))) {
+        if (d2 < d) {
             position = status.edge;
             d = d2;
         }
@@ -1210,15 +1001,15 @@ static qreal computeAngle(const QPointF &v)
 #endif
 }
 
-int QWingedEdge::addEdge(const QPointF &a, const QPointF &b, const QBezier *bezier, qreal t0, qreal t1)
+int QWingedEdge::addEdge(const QPointF &a, const QPointF &b)
 {
     int fi = insert(a);
     int si = insert(b);
 
-    return addEdge(fi, si, bezier, t0, t1);
+    return addEdge(fi, si);
 }
 
-int QWingedEdge::addEdge(int fi, int si, const QBezier *bezier, qreal t0, qreal t1)
+int QWingedEdge::addEdge(int fi, int si)
 {
     if (fi == si)
         return -1;
@@ -1236,29 +1027,11 @@ int QWingedEdge::addEdge(int fi, int si, const QBezier *bezier, qreal t0, qreal
 
     QPathEdge *ep = edge(ei);
 
-    ep->bezier = bezier;
-    ep->t0 = t0;
-    ep->t1 = t1;
-
-    if (bezier) {
-        QPointF aTangent = bezier->derivedAt(t0);
-        QPointF bTangent = -bezier->derivedAt(t1);
-
-        if (qFuzzyIsNull(aTangent.x()) && qFuzzyIsNull(aTangent.y()))
-            aTangent = bezier->secondDerivedAt(t0);
-
-        if (qFuzzyIsNull(bTangent.x()) && qFuzzyIsNull(bTangent.y()))
-            bTangent = bezier->secondDerivedAt(t1);
-
-        ep->angle = computeAngle(aTangent);
-        ep->invAngle = computeAngle(bTangent);
-    } else {
-        const QPointF tangent = QPointF(*sp) - QPointF(*fp);
-        ep->angle = computeAngle(tangent);
-        ep->invAngle = ep->angle + 64;
-        if (ep->invAngle >= 128)
-            ep->invAngle -= 128;
-    }
+    const QPointF tangent = QPointF(*sp) - QPointF(*fp);
+    ep->angle = computeAngle(tangent);
+    ep->invAngle = ep->angle + 64;
+    if (ep->invAngle >= 128)
+        ep->invAngle -= 128;
 
     QPathVertex *vertices[2] = { fp, sp };
     QPathEdge::Direction dirs[2] = { QPathEdge::Backward, QPathEdge::Forward };
@@ -1313,74 +1086,6 @@ int QWingedEdge::addEdge(int fi, int si, const QBezier *bezier, qreal t0, qreal
     return ei;
 }
 
-void QWingedEdge::addBezierEdge(const QBezier *bezier, int vertexA, int vertexB, qreal alphaA, qreal alphaB, int path)
-{
-    if (qFuzzyCompare(alphaA, alphaB))
-        return;
-
-    qreal alphaMid = (alphaA + alphaB) * 0.5;
-
-    qreal s0 = 0;
-    qreal s1 = 1;
-    int count = bezier->stationaryYPoints(s0, s1);
-
-    m_splitPoints.clear();
-    m_splitPoints << alphaA;
-    m_splitPoints << alphaMid;
-    m_splitPoints << alphaB;
-
-    if (count > 0 && !qFuzzyCompare(s0, alphaA) && !qFuzzyCompare(s0, alphaMid) && !qFuzzyCompare(s0, alphaB) && s0 > alphaA && s0 < alphaB)
-        m_splitPoints << s0;
-
-    if (count > 1 && !qFuzzyCompare(s1, alphaA) && !qFuzzyCompare(s1, alphaMid) && !qFuzzyCompare(s1, alphaB) && s1 > alphaA && s1 < alphaB)
-        m_splitPoints << s1;
-
-    if (count > 0)
-        qSort(m_splitPoints.begin(), m_splitPoints.end());
-
-    int last = vertexA;
-    for (int i = 0; i < m_splitPoints.size() - 1; ++i) {
-        const qreal t0 = m_splitPoints[i];
-        const qreal t1 = m_splitPoints[i+1];
-
-        int current;
-        if ((i + 1) == (m_splitPoints.size() - 1)) {
-            current = vertexB;
-        } else {
-            current = insert(bezier->pointAt(t1));
-        }
-
-        QPathEdge *ep = edge(addEdge(last, current, bezier, t0, t1));
-
-        if (ep) {
-            const int dir = m_vertices.at(last).y < m_vertices.at(current).y ? 1 : -1;
-            if (path == 0)
-                ep->windingA += dir;
-            else
-                ep->windingB += dir;
-        }
-
-        last = current;
-    }
-}
-
-void QWingedEdge::addBezierEdge(const QBezier *bezier, const QPointF &a, const QPointF &b, qreal alphaA, qreal alphaB, int path)
-{
-    if (qFuzzyCompare(alphaA, alphaB))
-        return;
-
-    if (comparePoints(a, b)) {
-        int v = insert(a);
-
-        addBezierEdge(bezier, v, v, alphaA, alphaB, path);
-    } else {
-        int va = insert(a);
-        int vb = insert(b);
-
-        addBezierEdge(bezier, va, vb, alphaA, alphaB, path);
-    }
-}
-
 int QWingedEdge::insert(const QPathVertex &vertex)
 {
     if (!m_vertices.isEmpty()) {
@@ -1429,37 +1134,12 @@ static void add(QPainterPath &path, const QWingedEdge &list, int edge, QPathEdge
     status.traversal = traversal;
     status.direction = QPathEdge::Forward;
 
-    const QBezier *bezier = 0;
-    qreal t0 = 1;
-    qreal t1 = 0;
-    bool forward = true;
-
     path.moveTo(*list.vertex(list.edge(edge)->first));
 
     do {
         const QPathEdge *ep = list.edge(status.edge);
 
-        if (ep->bezier != bezier || (bezier && t0 != ep->t1 && t1 != ep->t0)) {
-            if (bezier) {
-                QBezier sub = bezier->bezierOnInterval(t0, t1);
-
-                if (forward)
-                    path.cubicTo(sub.pt2(), sub.pt3(), sub.pt4());
-                else
-                    path.cubicTo(sub.pt3(), sub.pt2(), sub.pt1());
-            }
-
-            bezier = ep->bezier;
-            t0 = 1;
-            t1 = 0;
-            forward = status.direction == QPathEdge::Forward;
-        }
-
-        if (ep->bezier) {
-            t0 = qMin(t0, ep->t0);
-            t1 = qMax(t1, ep->t1);
-        } else
-            addLineTo(path, *list.vertex(ep->vertex(status.direction)));
+        addLineTo(path, *list.vertex(ep->vertex(status.direction)));
 
         if (status.traversal == QPathEdge::LeftTraversal)
             ep->flag &= ~16;
@@ -1468,14 +1148,6 @@ static void add(QPainterPath &path, const QWingedEdge &list, int edge, QPathEdge
 
         status = list.next(status);
     } while (status.edge != edge);
-
-    if (bezier) {
-        QBezier sub = bezier->bezierOnInterval(t0, t1);
-        if (forward)
-            path.cubicTo(sub.pt2(), sub.pt3(), sub.pt4());
-        else
-            path.cubicTo(sub.pt3(), sub.pt2(), sub.pt1());
-    }
 }
 
 void QWingedEdge::simplify()
@@ -1937,25 +1609,10 @@ bool QWingedEdge::isInside(qreal x, qreal y) const
         QPointF b = *vertex(ep->second);
 
         if ((a.y() < y && b.y() > y) || (a.y() > y && b.y() < y)) {
-            if (ep->bezier) {
-                qreal maxX = qMax(a.x(), qMax(b.x(), qMax(ep->bezier->x2, ep->bezier->x3)));
-                qreal minX = qMin(a.x(), qMin(b.x(), qMin(ep->bezier->x2, ep->bezier->x3)));
-
-                if (minX > x) {
-                    winding += w;
-                } else if (maxX > x) {
-                    const qreal t = ep->bezier->tForY(ep->t0, ep->t1, y);
-                    const qreal intersection = ep->bezier->pointAt(t).x();
-
-                    if (intersection > x)
-                        winding += w;
-                }
-            } else {
-                qreal intersectionX = a.x() + (b.x() - a.x()) * (y - a.y()) / (b.y() - a.y());
+            qreal intersectionX = a.x() + (b.x() - a.x()) * (y - a.y()) / (b.y() - a.y());
 
-                if (intersectionX > x)
-                    winding += w;
-            }
+            if (intersectionX > x)
+                winding += w;
         }
     }
 
@@ -1971,17 +1628,9 @@ static QVector<QCrossingEdge> findCrossings(const QWingedEdge &list, qreal y)
         QPointF b = *list.vertex(edge->second);
 
         if ((a.y() < y && b.y() > y) || (a.y() > y && b.y() < y)) {
-            if (edge->bezier) {
-                const qreal t = edge->bezier->tForY(edge->t0, edge->t1, y);
-                const qreal intersection = edge->bezier->pointAt(t).x();
-
-                const QCrossingEdge edge = { i, intersection };
-                crossings << edge;
-            } else {
-                const qreal intersection = a.x() + (b.x() - a.x()) * (y - a.y()) / (b.y() - a.y());
-                const QCrossingEdge edge = { i, intersection };
-                crossings << edge;
-            }
+            const qreal intersection = a.x() + (b.x() - a.x()) * (y - a.y()) / (b.y() - a.y());
+            const QCrossingEdge edge = { i, intersection };
+            crossings << edge;
         }
     }
     return crossings;
diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h
index b42dc1d..7962400 100644
--- a/src/gui/painting/qpathclipper_p.h
+++ b/src/gui/painting/qpathclipper_p.h
@@ -151,10 +151,6 @@ public:
     qreal angle;
     qreal invAngle;
 
-    const QBezier *bezier;
-    qreal t0;
-    qreal t1;
-
     int next(Traversal traversal, Direction direction) const;
 
     void setNext(Traversal traversal, Direction direction, int next);
@@ -182,9 +178,8 @@ public:
     };
 
     struct Segment {
-        Segment(int pathId, int vertexA, int vertexB, int bezierIndex = -1)
+        Segment(int pathId, int vertexA, int vertexB)
             : path(pathId)
-            , bezier(bezierIndex)
             , va(vertexA)
             , vb(vertexB)
             , intersection(-1)
@@ -192,7 +187,6 @@ public:
         }
 
         int path;
-        int bezier;
 
         // vertices
         int va;
@@ -216,7 +210,6 @@ public:
 
     const Segment &segmentAt(int index) const;
     const QLineF lineAt(int index) const;
-    const QBezier *bezierAt(int index) const;
     const QRectF &elementBounds(int index) const;
     int pathId(int index) const;
 
@@ -231,7 +224,6 @@ public:
 private:
     QDataBuffer<QPointF> m_points;
     QDataBuffer<Segment> m_segments;
-    QDataBuffer<QBezier> m_beziers;
     QDataBuffer<Intersection> m_intersections;
 
     int m_pathId;
@@ -272,8 +264,8 @@ public:
 
     TraversalStatus next(const TraversalStatus &status) const;
 
-    int addEdge(const QPointF &a, const QPointF &b, const QBezier *bezier = 0, qreal t0 = 0, qreal t1 = 1);
-    int addEdge(int vertexA, int vertexB, const QBezier *bezier = 0, qreal t0 = 0, qreal t1 = 1);
+    int addEdge(const QPointF &a, const QPointF &b);
+    int addEdge(int vertexA, int vertexB);
 
     bool isInside(qreal x, qreal y) const;
 
@@ -285,11 +277,7 @@ private:
 
     void printNode(int i, FILE *handle);
 
-    QBezier bezierFromIndex(int index) const;
-
     void removeEdge(int ei);
-    void addBezierEdge(const QBezier *bezier, const QPointF &a, const QPointF &b, qreal alphaA, qreal alphaB, int path);
-    void addBezierEdge(const QBezier *bezier, int vertexA, int vertexB, qreal alphaA, qreal alphaB, int path);
 
     int insert(const QPathVertex &vertex);
     TraversalStatus findInsertStatus(int vertex, int edge) const;
@@ -312,9 +300,6 @@ inline QPathEdge::QPathEdge(int a, int b)
     , second(b)
     , angle(0)
     , invAngle(0)
-    , bezier(0)
-    , t0(0)
-    , t1(0)
 {
     m_next[0][0] = -1;
     m_next[1][0] = -1;
@@ -396,15 +381,6 @@ inline const QLineF QPathSegments::lineAt(int index) const
     return QLineF(m_points.at(segment.va), m_points.at(segment.vb));
 }
 
-inline const QBezier *QPathSegments::bezierAt(int index) const
-{
-    const Segment &segment = m_segments.at(index);
-    if (segment.bezier >= 0)
-        return &m_beziers.at(segment.bezier);
-    else
-        return 0;
-}
-
 inline const QRectF &QPathSegments::elementBounds(int index) const
 {
     return m_segments.at(index).bounds;
diff --git a/src/gui/painting/qwindowsurface_p.h b/src/gui/painting/qwindowsurface_p.h
index e6ee5f6..6171ae8 100644
--- a/src/gui/painting/qwindowsurface_p.h
+++ b/src/gui/painting/qwindowsurface_p.h
@@ -73,8 +73,12 @@ public:
     QWidget *window() const;
 
     virtual QPaintDevice *paintDevice() = 0;
-    virtual void flush(QWidget *widget, const QRegion &region,
-                       const QPoint &offset) = 0;
+
+    // 'widget' can be a child widget, in which case 'region' is in child widget coordinates and
+    // offset is the (child) widget's offset in relation to the window surface. On QWS, 'offset'
+    // can be larger than just the offset from the top-level widget as there may also be window
+    // decorations which are painted into the window surface.
+    virtual void flush(QWidget *widget, const QRegion &region, const QPoint &offset) = 0;
     virtual void setGeometry(const QRect &rect);
     QRect geometry() const;
 
diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index b0e2d37..8036728 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -981,7 +981,7 @@ void QCommonStylePrivate::viewItemDrawText(QPainter *p, const QStyleOptionViewIt
             qreal y = position.y() + line.y() + line.ascent();
             p->save();
             p->setFont(option->font);
-            p->drawText(int(x), int(y), elidedText);
+            p->drawText(QPointF(x, y), elidedText);
             p->restore();
             break;
         }
diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index 074dd89..f5b0b0c 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -2143,7 +2143,7 @@ int QMacStyle::pixelMetric(PixelMetric metric, const QStyleOption *opt, const QW
         if (qstyleoption_cast<const QStyleOptionComboBox *>(opt) != 0)
             ret = 0;
         else
-            ret = QWindowsStyle::pixelMetric(metric, opt, widget);
+            ret = 1;
         break;
     case PM_MaximumDragDistance:
         ret = -1;
@@ -3099,14 +3099,16 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         HIRect hirect = qt_hirectForQRect(opt->rect);
         HIThemeDrawButton(&hirect, &bi, cg, kHIThemeOrientationNormal, 0);
         break; }
+
     case PE_Frame: {
         QPen oldPen = p->pen();
-        QPen newPen;
-        newPen.setBrush(opt->palette.dark());
-        p->setPen(newPen);
+        p->setPen(opt->palette.base().color().darker(140));
         p->drawRect(opt->rect.adjusted(0, 0, -1, -1));
+        p->setPen(opt->palette.base().color().darker(180));
+        p->drawLine(opt->rect.topLeft(), opt->rect.topRight());
         p->setPen(oldPen);
         break; }
+
     case PE_FrameLineEdit:
         if (const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
             if (frame->state & State_Sunken) {
@@ -3279,10 +3281,14 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
             if (header->orientation == Qt::Horizontal){
                 switch (header->position) {
                 case QStyleOptionHeader::Beginning:
+                    ir.adjust(-1, -1, 0, 0);
                     break;
                 case QStyleOptionHeader::Middle:
+                    ir.adjust(-1, -1, 0, 0);
+                    break;
+                case QStyleOptionHeader::OnlyOneSection:
                 case QStyleOptionHeader::End:
-                    ir.adjust(-1, 0, 0, 0);
+                    ir.adjust(-1, -1, 1, 0);
                     break;
                 default:
                     break;
diff --git a/src/gui/text/qtextodfwriter.cpp b/src/gui/text/qtextodfwriter.cpp
index d369bff0..7992de5 100644
--- a/src/gui/text/qtextodfwriter.cpp
+++ b/src/gui/text/qtextodfwriter.cpp
@@ -493,10 +493,10 @@ void QTextOdfWriter::writeBlockFormat(QXmlStreamWriter &writer, QTextBlockFormat
                 format.nonBreakableLines() ? QString::fromLatin1("true") : QString::fromLatin1("false"));
     if (format.hasProperty(QTextFormat::TabPositions)) {
         QList<QTextOption::Tab> tabs = format.tabPositions();
-        writer.writeStartElement(styleNS, QString::fromLatin1("style-tab-stops"));
+        writer.writeStartElement(styleNS, QString::fromLatin1("tab-stops"));
         QList<QTextOption::Tab>::Iterator iterator = tabs.begin();
         while(iterator != tabs.end()) {
-            writer.writeEmptyElement(styleNS, QString::fromLatin1("style-tab-stop"));
+            writer.writeEmptyElement(styleNS, QString::fromLatin1("tab-stop"));
             writer.writeAttribute(styleNS, QString::fromLatin1("position"), pixelToPoint(iterator->position) );
             QString type;
             switch(iterator->type) {
@@ -511,7 +511,7 @@ void QTextOdfWriter::writeBlockFormat(QXmlStreamWriter &writer, QTextBlockFormat
             ++iterator;
         }
 
-        writer.writeEndElement(); // style-tab-stops
+        writer.writeEndElement(); // tab-stops
     }
 
     writer.writeEndElement(); // paragraph-properties
@@ -698,11 +698,11 @@ void QTextOdfWriter::writeTableCellFormat(QXmlStreamWriter &writer, QTextTableCe
         if (padding > 0)
             writer.writeAttribute(foNS, QString::fromLatin1("padding-top"), pixelToPoint(padding));
         if (format.bottomPadding() > 0)
-            writer.writeAttribute(foNS, QString::fromLatin1("padding-top"), pixelToPoint(format.bottomPadding()));
+            writer.writeAttribute(foNS, QString::fromLatin1("padding-bottom"), pixelToPoint(format.bottomPadding()));
         if (format.leftPadding() > 0)
-            writer.writeAttribute(foNS, QString::fromLatin1("padding-top"), pixelToPoint(format.leftPadding()));
+            writer.writeAttribute(foNS, QString::fromLatin1("padding-left"), pixelToPoint(format.leftPadding()));
         if (format.rightPadding() > 0)
-            writer.writeAttribute(foNS, QString::fromLatin1("padding-top"), pixelToPoint(format.rightPadding()));
+            writer.writeAttribute(foNS, QString::fromLatin1("padding-right"), pixelToPoint(format.rightPadding()));
     }
 
     if (format.hasProperty(QTextFormat::TextVerticalAlignment)) {
diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp
index 73ec53e..8cffebd 100644
--- a/src/gui/widgets/qabstractscrollarea.cpp
+++ b/src/gui/widgets/qabstractscrollarea.cpp
@@ -983,6 +983,7 @@ bool QAbstractScrollArea::event(QEvent *e)
     case QEvent::StyleChange:
     case QEvent::LayoutDirectionChange:
     case QEvent::ApplicationLayoutDirectionChange:
+    case QEvent::LayoutRequest:
         d->layoutChildren();
         // fall through
     default:
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 42df800..d027b91 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -1350,6 +1350,7 @@ bool QLineControl::processEvent(QEvent* ev)
 #endif
     switch(ev->type()){
 #ifndef QT_NO_GRAPHICSVIEW
+        case QEvent::GraphicsSceneMouseDoubleClick:
         case QEvent::GraphicsSceneMouseMove:
         case QEvent::GraphicsSceneMouseRelease:
         case QEvent::GraphicsSceneMousePress:{
@@ -1439,6 +1440,7 @@ void QLineControl::processMouseEvent(QMouseEvent* ev)
             moveCursor(cursor, mark);
             break;
         }
+        case QEvent::GraphicsSceneMouseDoubleClick:
         case QEvent::MouseButtonDblClick:
             if (ev->button() == Qt::LeftButton) {
                 selectWordAtPos(xToPos(ev->pos().x()));
diff --git a/src/gui/widgets/qmenu.cpp b/src/gui/widgets/qmenu.cpp
index f9b132e..907dd14 100644
--- a/src/gui/widgets/qmenu.cpp
+++ b/src/gui/widgets/qmenu.cpp
@@ -1834,7 +1834,7 @@ void QMenu::popup(const QPoint &p, QAction *atAction)
     QSize size = sizeHint();
     QRect screen;
 #ifndef QT_NO_GRAPHICSVIEW
-    bool isEmbedded = d->nearestGraphicsProxyWidget(this);
+    bool isEmbedded = !bypassGraphicsProxyWidget(this) && d->nearestGraphicsProxyWidget(this);
     if (isEmbedded)
         screen = d->popupGeometry(this);
     else
diff --git a/src/gui/widgets/qmenu_mac.mm b/src/gui/widgets/qmenu_mac.mm
index 6a0eb53..7645c23 100644
--- a/src/gui/widgets/qmenu_mac.mm
+++ b/src/gui/widgets/qmenu_mac.mm
@@ -665,6 +665,7 @@ void qt_mac_set_modal_state_helper_recursive(OSMenuRef menu, OSMenuRef merge, bo
         }
     }
 #else
+    bool modalWindowOnScreen = qApp->activeModalWidget() != 0;
     for (NSMenuItem *item in [menu itemArray]) {
         OSMenuRef submenu = [item submenu];
         if (submenu != merge) {
@@ -674,10 +675,20 @@ void qt_mac_set_modal_state_helper_recursive(OSMenuRef menu, OSMenuRef merge, bo
                 // The item should follow what the QAction has.
                 if ([item tag]) {
                     QAction *action = reinterpret_cast<QAction *>([item tag]);
-                     syncNSMenuItemEnabled(item, action->isEnabled());
-                 } else {
-                     syncNSMenuItemEnabled(item, YES);
-                 }
+                    syncNSMenuItemEnabled(item, action->isEnabled());
+                } else {
+                    syncNSMenuItemEnabled(item, YES);
+                }
+                // We sneak in some extra code here to handle a menu problem:
+                // If there is no window on screen, we cannot set 'nil' as
+                // menu item target, because then cocoa will disable the item
+                // (guess it assumes that there will be no first responder to
+                // catch the trigger anyway?) OTOH, If we have a modal window,
+                // then setting the menu loader as target will make cocoa not
+                // deliver the trigger because the loader is then seen as modally
+                // shaddowed). So either way there are shortcomings. Instead, we
+                // decide the target as late as possible:
+                [item setTarget:modalWindowOnScreen ? nil : getMenuLoader()];
             } else {
                 syncNSMenuItemEnabled(item, NO);
             }