Merge remote branch 'qt/master' into lighthouse-master

Conflicts:
	src/gui/painting/qpdf.cpp

50 files changed, 513 insertions, 360 deletions

diff --git a/src/gui/dialogs/qprintdialog_mac.mm b/src/gui/dialogs/qprintdialog_mac.mm
index 84a72db..82e4db5 100644
--- a/src/gui/dialogs/qprintdialog_mac.mm
+++ b/src/gui/dialogs/qprintdialog_mac.mm
@@ -140,11 +140,6 @@ QT_USE_NAMESPACE
 
     QPrintDialogPrivate *d = static_cast<QPrintDialogPrivate *>(contextInfo);
     QPrintDialog *dialog = d->printDialog();
-    // temporary hack to work around bug in deleteLater() in Qt/Mac Cocoa
-#if 1
-    bool deleteDialog = dialog->testAttribute(Qt::WA_DeleteOnClose);
-    dialog->setAttribute(Qt::WA_DeleteOnClose, false);
-#endif
 
     if (returnCode == NSOKButton) {
         UInt32 frompage, topage;
@@ -192,10 +187,6 @@ QT_USE_NAMESPACE
     }
 
     dialog->done((returnCode == NSOKButton) ? QDialog::Accepted : QDialog::Rejected);
-#if 1
-    if (deleteDialog)
-        delete dialog;
-#endif
 }
 @end
 
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 096be63..810055f 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -6655,6 +6655,11 @@ bool QGraphicsItem::sceneEvent(QEvent *event)
         return true;
     }
 
+    if (event->type() == QEvent::FocusOut) {
+        focusOutEvent(static_cast<QFocusEvent *>(event));
+        return true;
+    }
+
     if (!d_ptr->visible) {
         // Eaten
         return true;
@@ -6664,9 +6669,6 @@ bool QGraphicsItem::sceneEvent(QEvent *event)
     case QEvent::FocusIn:
         focusInEvent(static_cast<QFocusEvent *>(event));
         break;
-    case QEvent::FocusOut:
-        focusOutEvent(static_cast<QFocusEvent *>(event));
-        break;
     case QEvent::GraphicsSceneContextMenu:
         contextMenuEvent(static_cast<QGraphicsSceneContextMenuEvent *>(event));
         break;
@@ -7669,7 +7671,12 @@ void QGraphicsObject::updateMicroFocus()
 
 void QGraphicsItemPrivate::children_append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item)
 {
-    QGraphicsItemPrivate::get(item)->setParentItemHelper(static_cast<QGraphicsObject *>(list->object), /*newParentVariant=*/0, /*thisPointerVariant=*/0);
+    QGraphicsObject *graphicsObject = static_cast<QGraphicsObject *>(list->object);
+    if (QGraphicsItemPrivate::get(graphicsObject)->sendParentChangeNotification) {
+        item->setParentItem(graphicsObject);
+    } else {
+        QGraphicsItemPrivate::get(item)->setParentItemHelper(graphicsObject, 0, 0);
+    }
 }
 
 int QGraphicsItemPrivate::children_count(QDeclarativeListProperty<QGraphicsObject> *list)
@@ -7691,8 +7698,13 @@ void QGraphicsItemPrivate::children_clear(QDeclarativeListProperty<QGraphicsObje
 {
     QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(static_cast<QGraphicsObject *>(list->object));
     int childCount = d->children.count();
-    for (int index = 0; index < childCount; index++)
-        QGraphicsItemPrivate::get(d->children.at(0))->setParentItemHelper(0, /*newParentVariant=*/0, /*thisPointerVariant=*/0);
+    if (d->sendParentChangeNotification) {
+        for (int index = 0; index < childCount; index++)
+            d->children.at(0)->setParentItem(0);
+    } else {
+        for (int index = 0; index < childCount; index++)
+            QGraphicsItemPrivate::get(d->children.at(0))->setParentItemHelper(0, 0, 0);
+    }
 }
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 77e4054..c8a7699 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -238,6 +238,7 @@ public:
         pendingPolish(0),
         mayHaveChildWithGraphicsEffect(0),
         isDeclarativeItem(0),
+        sendParentChangeNotification(0),
         globalStackingOrder(-1),
         q_ptr(0)
     {
@@ -584,7 +585,8 @@ public:
     quint32 pendingPolish : 1;
     quint32 mayHaveChildWithGraphicsEffect : 1;
     quint32 isDeclarativeItem : 1;
-    quint32 padding : 23;
+    quint32 sendParentChangeNotification : 1;
+    quint32 padding : 22;
 
     // Optional stacking order
     int globalStackingOrder;
diff --git a/src/gui/graphicsview/qgraphicslinearlayout.cpp b/src/gui/graphicsview/qgraphicslinearlayout.cpp
index 1588364..7e8d19f 100644
--- a/src/gui/graphicsview/qgraphicslinearlayout.cpp
+++ b/src/gui/graphicsview/qgraphicslinearlayout.cpp
@@ -275,13 +275,17 @@ void QGraphicsLinearLayout::insertItem(int index, QGraphicsLayoutItem *item)
         qWarning("QGraphicsLinearLayout::insertItem: cannot insert itself");
         return;
     }
+    Q_ASSERT(item);
+
+    //the order of the following instructions is very important because
+    //invalidating the layout before adding the child item will make the layout happen
+    //before we try to paint the item
+    invalidate();
     d->addChildLayoutItem(item);
 
-    Q_ASSERT(item);
     d->fixIndex(&index);
     d->engine.insertRow(index, d->orientation);
     new QGridLayoutItem(&d->engine, item, d->gridRow(index), d->gridColumn(index), 1, 1, 0, index);
-    invalidate();
 }
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 7cb442f..733d282 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -1759,7 +1759,7 @@ void QGraphicsScene::render(QPainter *painter, const QRectF &target, const QRect
     painter->save();
 
     // Transform the painter.
-    painter->setClipRect(targetRect);
+    painter->setClipRect(targetRect, Qt::IntersectClip);
     QTransform painterTransform;
     painterTransform *= QTransform()
                         .translate(targetRect.left(), targetRect.top())
@@ -4814,6 +4814,27 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
     }
 }
 
+static inline void setClip(QPainter *painter, QGraphicsItem *item)
+{
+    painter->save();
+    QRectF clipRect;
+    const QPainterPath clipPath(item->shape());
+    if (QPathClipper::pathToRect(clipPath, &clipRect))
+        painter->setClipRect(clipRect, Qt::IntersectClip);
+    else
+        painter->setClipPath(clipPath, Qt::IntersectClip);
+}
+
+static inline void setWorldTransform(QPainter *painter, const QTransform *const transformPtr,
+                                     const QTransform *effectTransform)
+{
+    Q_ASSERT(transformPtr);
+    if (effectTransform)
+        painter->setWorldTransform(*transformPtr * *effectTransform);
+    else
+        painter->setWorldTransform(*transformPtr);
+}
+
 void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const QTransform *const viewTransform,
                                  const QTransform *const transformPtr, QRegion *exposedRegion, QWidget *widget,
                                  qreal opacity, const QTransform *effectTransform,
@@ -4822,36 +4843,37 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
     const bool itemIsFullyTransparent = QGraphicsItemPrivate::isOpacityNull(opacity);
     const bool itemClipsChildrenToShape = (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape);
     const bool itemHasChildren = !item->d_ptr->children.isEmpty();
+    bool setChildClip = itemClipsChildrenToShape;
+    bool itemHasChildrenStackedBehind = false;
 
     int i = 0;
     if (itemHasChildren) {
+        if (itemClipsChildrenToShape)
+            setWorldTransform(painter, transformPtr, effectTransform);
+
         item->d_ptr->ensureSortedChildren();
+        // Items with the 'ItemStacksBehindParent' flag are put in front of the list
+        // so all we have to do is to check the first item.
+        itemHasChildrenStackedBehind = (item->d_ptr->children.at(0)->d_ptr->flags
+                                        & QGraphicsItem::ItemStacksBehindParent);
 
-        if (itemClipsChildrenToShape) {
-            painter->save();
-            Q_ASSERT(transformPtr);
-            if (effectTransform)
-                painter->setWorldTransform(*transformPtr * *effectTransform);
-            else
-                painter->setWorldTransform(*transformPtr);
-            QRectF clipRect;
-            const QPainterPath clipPath(item->shape());
-            if (QPathClipper::pathToRect(clipPath, &clipRect))
-                painter->setClipRect(clipRect, Qt::IntersectClip);
-            else
-                painter->setClipPath(clipPath, Qt::IntersectClip);
-        }
+        if (itemHasChildrenStackedBehind) {
+            if (itemClipsChildrenToShape) {
+                setClip(painter, item);
+                setChildClip = false;
+            }
 
-        // Draw children behind
-        for (i = 0; i < item->d_ptr->children.size(); ++i) {
-            QGraphicsItem *child = item->d_ptr->children.at(i);
-            if (wasDirtyParentSceneTransform)
-                child->d_ptr->dirtySceneTransform = 1;
-            if (!(child->d_ptr->flags & QGraphicsItem::ItemStacksBehindParent))
-                break;
-            if (itemIsFullyTransparent && !(child->d_ptr->flags & QGraphicsItem::ItemIgnoresParentOpacity))
-                continue;
-            drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity, effectTransform);
+            // Draw children behind
+            for (i = 0; i < item->d_ptr->children.size(); ++i) {
+                QGraphicsItem *child = item->d_ptr->children.at(i);
+                if (wasDirtyParentSceneTransform)
+                    child->d_ptr->dirtySceneTransform = 1;
+                if (!(child->d_ptr->flags & QGraphicsItem::ItemStacksBehindParent))
+                    break;
+                if (itemIsFullyTransparent && !(child->d_ptr->flags & QGraphicsItem::ItemIgnoresParentOpacity))
+                    continue;
+                drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity, effectTransform);
+            }
         }
     }
 
@@ -4864,38 +4886,50 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
                                      ? *exposedRegion : QRegion(), exposedRegion == 0);
 
         const bool itemClipsToShape = item->d_ptr->flags & QGraphicsItem::ItemClipsToShape;
-        const bool savePainter = itemClipsToShape || painterStateProtection;
-        if (savePainter)
-            painter->save();
+        bool restorePainterClip = false;
 
         if (!itemHasChildren || !itemClipsChildrenToShape) {
-            if (effectTransform)
-                painter->setWorldTransform(*transformPtr * *effectTransform);
-            else
-                painter->setWorldTransform(*transformPtr);
+            // Item does not have children or clip children to shape.
+            setWorldTransform(painter, transformPtr, effectTransform);
+            if ((restorePainterClip = itemClipsToShape))
+                setClip(painter, item);
+        } else if (itemHasChildrenStackedBehind){
+            // Item clips children to shape and has children stacked behind, which means
+            // the painter is already clipped to the item's shape.
+            if (itemClipsToShape) {
+                // The clip is already correct. Ensure correct world transform.
+                setWorldTransform(painter, transformPtr, effectTransform);
+            } else {
+                // Remove clip (this also ensures correct world transform).
+                painter->restore();
+                setChildClip = true;
+            }
+        } else if (itemClipsToShape) {
+            // Item clips children and itself to shape. It does not have hildren stacked
+            // behind, which means the clip has not yet been set. We set it now and re-use it
+            // for the children.
+            setClip(painter, item);
+            setChildClip = false;
         }
 
-        if (itemClipsToShape) {
-            QRectF clipRect;
-            const QPainterPath clipPath(item->shape());
-            if (QPathClipper::pathToRect(clipPath, &clipRect))
-                painter->setClipRect(clipRect, Qt::IntersectClip);
-            else
-                painter->setClipPath(clipPath, Qt::IntersectClip);
-        }
-        painter->setOpacity(opacity);
+        if (painterStateProtection && !restorePainterClip)
+            painter->save();
 
+        painter->setOpacity(opacity);
         if (!item->d_ptr->cacheMode && !item->d_ptr->isWidget)
             item->paint(painter, &styleOptionTmp, widget);
         else
             drawItemHelper(item, painter, &styleOptionTmp, widget, painterStateProtection);
 
-        if (savePainter)
+        if (painterStateProtection || restorePainterClip)
             painter->restore();
     }
 
     // Draw children in front
     if (itemHasChildren) {
+        if (setChildClip)
+            setClip(painter, item);
+
         for (; i < item->d_ptr->children.size(); ++i) {
             QGraphicsItem *child = item->d_ptr->children.at(i);
             if (wasDirtyParentSceneTransform)
@@ -4904,11 +4938,11 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
                 continue;
             drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity, effectTransform);
         }
-    }
 
-    // Restore child clip
-    if (itemHasChildren && itemClipsChildrenToShape)
-        painter->restore();
+        // Restore child clip
+        if (itemClipsChildrenToShape)
+            painter->restore();
+    }
 }
 
 void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, bool invalidateChildren,
@@ -5271,6 +5305,7 @@ void QGraphicsScene::drawItems(QPainter *painter,
     if (!d->unpolishedItems.isEmpty())
         d->_q_polishItems();
 
+    const qreal opacity = painter->opacity();
     QTransform viewTransform = painter->worldTransform();
     Q_UNUSED(options);
 
@@ -5304,6 +5339,7 @@ void QGraphicsScene::drawItems(QPainter *painter,
         topLevelItems.at(i)->d_ptr->itemDiscovered = 0;
 
     painter->setWorldTransform(viewTransform);
+    painter->setOpacity(opacity);
 }
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index d568c40..2db29b9 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -3475,7 +3475,8 @@ void QGraphicsView::paintEvent(QPaintEvent *event)
         // IndirectPainting (the else branch), because in that case we always save()
         // and restore() in QGraphicsScene::drawItems().
         if (!d->scene->d_func()->painterStateProtection)
-            painter.setWorldTransform(viewTransform);
+            painter.setOpacity(1.0);
+        painter.setWorldTransform(viewTransform);
     } else {
         // Make sure we don't have unpolished items before we draw
         if (!d->scene->d_func()->unpolishedItems.isEmpty())
diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index 98e6781..f8cd593 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -306,20 +306,19 @@ void QGridLayoutRowData::calculateGeometries(int start, int end, qreal targetSiz
                         ultimatePreferredSize = ultimatePreferredSize * 3 / 2;
                         ultimateSumPreferredSizes = ultimateSumPreferredSizes * 3 / 2;
 
-                        qreal ultimateFactor = (stretch * ultimateSumPreferredSizes
-                                                / sumStretches)
-                                               - (box.q_preferredSize);
-                        qreal transitionalFactor = sumCurrentAvailable
-                                                   * (ultimatePreferredSize - box.q_preferredSize)
-                                                   / (ultimateSumPreferredSizes
-                                                      - sumPreferredSizes);
-
-                        qreal alpha = qMin(sumCurrentAvailable,
-                                           ultimateSumPreferredSizes - sumPreferredSizes);
                         qreal beta = ultimateSumPreferredSizes - sumPreferredSizes;
+                        if (!beta) {
+                            factors[i] = 1;
+                        } else {
+                            qreal alpha = qMin(sumCurrentAvailable, beta);
+                            qreal ultimateFactor = (stretch * ultimateSumPreferredSizes / sumStretches)
+                                                   - (box.q_preferredSize);
+                            qreal transitionalFactor = sumCurrentAvailable * (ultimatePreferredSize - box.q_preferredSize) / beta;
+
+                            factors[i] = ((alpha * ultimateFactor)
+                                          + ((beta - alpha) * transitionalFactor)) / beta;
+                        }
 
-                        factors[i] = ((alpha * ultimateFactor)
-                                      + ((beta - alpha) * transitionalFactor)) / beta;
                     }
                     sumFactors += factors[i];
                     if (desired < sumCurrentAvailable)
diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 0527cce..f7228dc 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -60,21 +60,6 @@ symbian {
         QMAKE_LFLAGS.ARMCC += --rw-base 0x800000
         QMAKE_LFLAGS.GCCE += -Tdata 0xC00000
     }
-
-    # Partial upgrade SIS file
-    vendorinfo = \
-        "; Localised Vendor name" \
-        "%{\"Nokia, Qt\"}" \
-        " " \
-        "; Unique Vendor name" \
-        ":\"Nokia, Qt\"" \
-        " "
-    pu_header = "; Partial upgrade package for testing QtGui changes without reinstalling everything" \
-                "$${LITERAL_HASH}{\"Qt gui\"}, (0x2001E61C), $${QT_MAJOR_VERSION},$${QT_MINOR_VERSION},$${QT_PATCH_VERSION}, TYPE=PU"
-    partial_upgrade.pkg_prerules = pu_header vendorinfo
-    partial_upgrade.sources = $$QMAKE_LIBDIR_QT/QtGui$${QT_LIBINFIX}.dll
-    partial_upgrade.path = c:/sys/bin
-    DEPLOYMENT = partial_upgrade $$DEPLOYMENT
 }
 
 neon:*-g++* {
diff --git a/src/gui/image/qgifhandler.cpp b/src/gui/image/qgifhandler.cpp
index 124d27b..a050baf 100644
--- a/src/gui/image/qgifhandler.cpp
+++ b/src/gui/image/qgifhandler.cpp
@@ -505,17 +505,26 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                             code=oldcode;
                         }
                         while (code>=clear_code+2) {
+                            if (code >= max_code) {
+                                state = Error;
+                                return -1;
+                            }
                             *sp++=table[1][code];
                             if (code==table[0][code]) {
                                 state=Error;
-                                break;
+                                return -1;
                             }
                             if (sp-stack>=(1<<(max_lzw_bits))*2) {
                                 state=Error;
-                                break;
+                                return -1;
                             }
                             code=table[0][code];
                         }
+                        if (code < 0) {
+                            state = Error;
+                            return -1;
+                        }
+
                         *sp++=firstcode=table[1][code];
                         code=max_code;
                         if (code<(1<<max_lzw_bits)) {
diff --git a/src/gui/image/qjpeghandler.cpp b/src/gui/image/qjpeghandler.cpp
index b9eda05..d47cc82 100644
--- a/src/gui/image/qjpeghandler.cpp
+++ b/src/gui/image/qjpeghandler.cpp
@@ -648,22 +648,28 @@ static bool write_jpeg_image(const QImage &image, QIODevice *device, int sourceQ
                 break;
             case QImage::Format_RGB32:
             case QImage::Format_ARGB32:
-            case QImage::Format_ARGB32_Premultiplied: {
-                const QRgb* rgb = (const QRgb*)image.constScanLine(cinfo.next_scanline);
-                for (int i=0; i<w; i++) {
-                    *row++ = qRed(*rgb);
-                    *row++ = qGreen(*rgb);
-                    *row++ = qBlue(*rgb);
-                    ++rgb;
+            case QImage::Format_ARGB32_Premultiplied:
+                {
+                    const QRgb* rgb = (const QRgb*)image.constScanLine(cinfo.next_scanline);
+                    for (int i=0; i<w; i++) {
+                        *row++ = qRed(*rgb);
+                        *row++ = qGreen(*rgb);
+                        *row++ = qBlue(*rgb);
+                        ++rgb;
+                    }
                 }
                 break;
-            }
             default:
-                for (int i=0; i<w; i++) {
-                    QRgb pix = image.pixel(i, cinfo.next_scanline);
-                    *row++ = qRed(pix);
-                    *row++ = qGreen(pix);
-                    *row++ = qBlue(pix);
+                {
+                    // (Testing shows that this way is actually faster than converting to RGB888 + memcpy)
+                    QImage rowImg = image.copy(0, cinfo.next_scanline, w, 1).convertToFormat(QImage::Format_RGB32);
+                    const QRgb* rgb = (const QRgb*)rowImg.constScanLine(0);
+                    for (int i=0; i<w; i++) {
+                        *row++ = qRed(*rgb);
+                        *row++ = qGreen(*rgb);
+                        *row++ = qBlue(*rgb);
+                        ++rgb;
+                    }
                 }
                 break;
             }
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index fa00e95..5383b7c 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -664,14 +664,19 @@ void QPixmap::resize_helper(const QSize &s)
 
 #if defined(Q_WS_X11)
     if (x11Data && x11Data->x11_mask) {
-        QX11PixmapData *pmData = static_cast<QX11PixmapData*>(pd);
-        pmData->x11_mask = (Qt::HANDLE)XCreatePixmap(X11->display,
-                                                     RootWindow(x11Data->xinfo.display(),
-                                                                x11Data->xinfo.screen()),
-                                                      w, h, 1);
-        GC gc = XCreateGC(X11->display, pmData->x11_mask, 0, 0);
-        XCopyArea(X11->display, x11Data->x11_mask, pmData->x11_mask, gc, 0, 0, qMin(width(), w), qMin(height(), h), 0, 0);
-        XFreeGC(X11->display, gc);
+        QPixmapData *newPd = pm.pixmapData();
+        QX11PixmapData *pmData = (newPd && newPd->classId() == QPixmapData::X11Class)
+                                 ? static_cast<QX11PixmapData*>(newPd) : 0;
+        if (pmData) {
+            pmData->x11_mask = (Qt::HANDLE)XCreatePixmap(X11->display,
+                                                         RootWindow(x11Data->xinfo.display(),
+                                                                    x11Data->xinfo.screen()),
+                                                         w, h, 1);
+            GC gc = XCreateGC(X11->display, pmData->x11_mask, 0, 0);
+            XCopyArea(X11->display, x11Data->x11_mask, pmData->x11_mask, gc, 0, 0,
+                      qMin(width(), w), qMin(height(), h), 0, 0);
+            XFreeGC(X11->display, gc);
+        }
     }
 #endif
     *this = pm;
@@ -836,7 +841,7 @@ bool QPixmap::load(const QString &fileName, const char *format, Qt::ImageConvers
                   % HexString<quint64>(info.size())
                   % HexString<uint>(data ? data->pixelType() : QPixmapData::PixmapType);
 
-    // Note: If no extension is provided, we try to match the 
+    // Note: If no extension is provided, we try to match the
     // file against known plugin extensions
     if (!info.completeSuffix().isEmpty() && !info.exists())
         return false;
@@ -1798,13 +1803,27 @@ QPixmap QPixmap::transformed(const QMatrix &matrix, Qt::TransformationMode mode)
     Returns true if this pixmap has an alpha channel, \e or has a
     mask, otherwise returns false.
 
-    \warning This is potentially an expensive operation.
-
     \sa hasAlphaChannel(), mask()
 */
 bool QPixmap::hasAlpha() const
 {
-    return data && (data->hasAlphaChannel() || !data->mask().isNull());
+#if defined(Q_WS_X11)
+    if (data && data->hasAlphaChannel())
+        return true;
+    QPixmapData *pd = pixmapData();
+    if (pd && pd->classId() == QPixmapData::X11Class) {
+        QX11PixmapData *x11Data = static_cast<QX11PixmapData*>(pd);
+#ifndef QT_NO_XRENDER
+        if (x11Data->picture && x11Data->d == 32)
+            return true;
+#endif
+        if (x11Data->d == 1 || x11Data->x11_mask)
+            return true;
+    }
+    return false;
+#else
+    return data && data->hasAlphaChannel();
+#endif
 }
 
 /*!
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 9f8e643..4e4f594 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1321,7 +1321,6 @@ QBitmap QX11PixmapData::mask() const
     return mask;
 }
 
-
 /*!
     Sets a mask bitmap.
 
@@ -1549,7 +1548,7 @@ QImage QX11PixmapData::toImage(const QRect &rect) const
     if (!xiWrapper.xi)
         return QImage();
 
-    if (canTakeQImageFromXImage(xiWrapper))
+    if (!x11_mask && canTakeQImageFromXImage(xiWrapper))
         return takeQImageFromXImage(xiWrapper);
 
     QImage image = toImage(xiWrapper, rect);
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index dc54313..935aba0 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -678,41 +678,19 @@ bool QPNGImageWriter::writeImage(const QImage& image, int off_x, int off_y)
     return writeImage(image, -1, QString(), off_x, off_y);
 }
 
-bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in, int quality_in, const QString &description,
+bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image, int quality_in, const QString &description,
                                  int off_x_in, int off_y_in)
 {
 #ifdef QT_NO_IMAGE_TEXT
     Q_UNUSED(description);
 #endif
 
-    QImage image;
-    switch (image_in.format()) {
-    case QImage::Format_ARGB32_Premultiplied:
-    case QImage::Format_ARGB4444_Premultiplied:
-    case QImage::Format_ARGB8555_Premultiplied:
-    case QImage::Format_ARGB8565_Premultiplied:
-    case QImage::Format_ARGB6666_Premultiplied:
-        image = image_in.convertToFormat(QImage::Format_ARGB32);
-        break;
-    case QImage::Format_RGB16:
-    case QImage::Format_RGB444:
-    case QImage::Format_RGB555:
-    case QImage::Format_RGB666:
-    case QImage::Format_RGB888:
-        image = image_in.convertToFormat(QImage::Format_RGB32);
-        break;
-    default:
-        image = image_in;
-        break;
-    }
-
     QPoint offset = image.offset();
     int off_x = off_x_in + offset.x();
     int off_y = off_y_in + offset.y();
 
     png_structp png_ptr;
     png_infop info_ptr;
-    png_bytep* row_pointers;
 
     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,0,0,0);
     if (!png_ptr) {
@@ -743,13 +721,18 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
 
     png_set_write_fn(png_ptr, (void*)this, qpiw_write_fn, qpiw_flush_fn);
 
+
+    int color_type = 0;
+    if (image.colorCount())
+        color_type = PNG_COLOR_TYPE_PALETTE;
+    else if (image.hasAlphaChannel())
+        color_type = PNG_COLOR_TYPE_RGB_ALPHA;
+    else
+        color_type = PNG_COLOR_TYPE_RGB;
+
     png_set_IHDR(png_ptr, info_ptr, image.width(), image.height(),
-        image.depth() == 1 ? 1 : 8 /* per channel */,
-        image.depth() == 32
-            ? image.format() == QImage::Format_RGB32
-                ? PNG_COLOR_TYPE_RGB
-                : PNG_COLOR_TYPE_RGB_ALPHA
-            : PNG_COLOR_TYPE_PALETTE, 0, 0, 0);  // also sets #channels
+                 image.depth() == 1 ? 1 : 8, // per channel
+                 color_type, 0, 0, 0);       // sets #channels
 
     if (gamma != 0.0) {
         png_set_gAMA(png_ptr, info_ptr, 1.0/gamma);
@@ -794,8 +777,9 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
         png_set_swap_alpha(png_ptr);
     }
 
-    // Qt==ARGB==Big(ARGB)==Little(BGRA)
-    if (QSysInfo::ByteOrder == QSysInfo::LittleEndian) {
+    // Qt==ARGB==Big(ARGB)==Little(BGRA). But RGB888 is RGB regardless
+    if (QSysInfo::ByteOrder == QSysInfo::LittleEndian
+        && image.format() != QImage::Format_RGB888) {
         png_set_bgr(png_ptr);
     }
 
@@ -820,7 +804,7 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
     if (image.depth() != 1)
         png_set_packing(png_ptr);
 
-    if (image.format() == QImage::Format_RGB32)
+    if (color_type == PNG_COLOR_TYPE_RGB && image.format() != QImage::Format_RGB888)
         png_set_filler(png_ptr, 0,
             QSysInfo::ByteOrder == QSysInfo::BigEndian ?
                 PNG_FILLER_BEFORE : PNG_FILLER_AFTER);
@@ -841,22 +825,36 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
         png_write_chunk(png_ptr, (png_byte*)"gIFg", data, 4);
     }
 
-    png_uint_32 width;
-    png_uint_32 height;
-    int bit_depth;
-    int color_type;
-    png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
-        0, 0, 0);
-
-    const uchar *data = (static_cast<const QImage *>(&image))->bits();
-    int bpl = image.bytesPerLine();
-    row_pointers = new png_bytep[height];
-    uint y;
-    for (y=0; y<height; y++) {
-        row_pointers[y] = (png_bytep)(data + y * bpl);
+    int height = image.height();
+    int width = image.width();
+    switch (image.format()) {
+    case QImage::Format_Mono:
+    case QImage::Format_MonoLSB:
+    case QImage::Format_Indexed8:
+    case QImage::Format_RGB32:
+    case QImage::Format_ARGB32:
+    case QImage::Format_RGB888:
+        {
+            png_bytep* row_pointers = new png_bytep[height];
+            for (int y=0; y<height; y++)
+                row_pointers[y] = (png_bytep)image.constScanLine(y);
+            png_write_image(png_ptr, row_pointers);
+            delete [] row_pointers;
+        }
+        break;
+    default:
+        {
+            QImage::Format fmt = image.hasAlphaChannel() ? QImage::Format_ARGB32 : QImage::Format_RGB32;
+            QImage row;
+            png_bytep row_pointers[1];
+            for (int y=0; y<height; y++) {
+                row = image.copy(0, y, width, 1).convertToFormat(fmt);
+                row_pointers[0] = png_bytep(row.constScanLine(0));
+                png_write_rows(png_ptr, row_pointers, 1);
+            }
+        }
+        break;
     }
-    png_write_image(png_ptr, row_pointers);
-    delete [] row_pointers;
 
     png_write_end(png_ptr, info_ptr);
     frames_written++;
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index af86d77..4a1b9b9 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -238,8 +238,10 @@ bool QCoeFepInputContext::filterEvent(const QEvent *event)
         }
 
         QString widgetText = focusWidget()->inputMethodQuery(Qt::ImSurroundingText).toString();
-        int maxLength = focusWidget()->inputMethodQuery(Qt::ImMaximumTextLength).toInt();
-        if (!keyEvent->text().isEmpty() && widgetText.size() + m_preeditString.size() >= maxLength) {
+        bool validLength;
+        int maxLength = focusWidget()->inputMethodQuery(Qt::ImMaximumTextLength).toInt(&validLength);
+        if (!keyEvent->text().isEmpty() && validLength
+                && widgetText.size() + m_preeditString.size() >= maxLength) {
             // Don't send key events with string content if the widget is "full".
             return true;
         }
diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index dc8d938..fe866e5 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -362,6 +362,7 @@ QModelIndex QSortFilterProxyModelPrivate::proxy_to_source(const QModelIndex &pro
         return QModelIndex(); // for now; we may want to be able to set a root index later
     if (proxy_index.model() != q_func()) {
         qWarning() << "QSortFilterProxyModel: index from wrong model passed to mapToSource";
+        Q_ASSERT(!"QSortFilterProxyModel: index from wrong model passed to mapToSource");
         return QModelIndex();
     }
     IndexMap::const_iterator it = index_to_iterator(proxy_index);
@@ -379,6 +380,7 @@ QModelIndex QSortFilterProxyModelPrivate::source_to_proxy(const QModelIndex &sou
         return QModelIndex(); // for now; we may want to be able to set a root index later
     if (source_index.model() != model) {
         qWarning() << "QSortFilterProxyModel: index from wrong model passed to mapFromSource";
+        Q_ASSERT(!"QSortFilterProxyModel: index from wrong model passed to mapFromSource");
         return QModelIndex();
     }
     QModelIndex source_parent = source_index.parent();
diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index e393902..2bbf63b 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -3426,6 +3426,10 @@ void QTreeViewPrivate::updateScrollBars()
     if (!viewportSize.isValid())
         viewportSize = QSize(0, 0);
 
+    if (viewItems.isEmpty()) {
+        q->doItemsLayout();
+    }
+
     int itemsInViewport = 0;
     if (uniformRowHeights) {
         if (defaultItemHeight <= 0)
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 463fe2e..28ad754 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -712,6 +712,12 @@ void QApplicationPrivate::process_cmdline()
             done.
     \endlist
 
+    \section1 X11 Notes
+
+    If QApplication fails to open the X11 display, it will terminate
+    the process. This behavior is consistent with most X11
+    applications.
+
     \sa arguments()
 */
 
@@ -2404,8 +2410,13 @@ static const char *application_menu_strings[] = {
     };
 QString qt_mac_applicationmenu_string(int type)
 {
-    return qApp->translate("MAC_APPLICATION_MENU",
-                           application_menu_strings[type]);
+    QString menuString = QString::fromLatin1(application_menu_strings[type]);
+    QString translated = qApp->translate("QMenuBar", application_menu_strings[type]);
+    if (translated != menuString)
+        return translated;
+    else
+        return qApp->translate("MAC_APPLICATION_MENU",
+                               application_menu_strings[type]);
 }
 #endif
 #endif
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index fc4a7cc..dc4ddbf 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -673,6 +673,9 @@ void QSymbianControl::HandleStatusPaneSizeChange()
 {
     QS60MainAppUi *s60AppUi = static_cast<QS60MainAppUi *>(S60->appUi());
     s60AppUi->HandleStatusPaneSizeChange();
+    // Send resize event to trigger desktopwidget workAreaResized signal
+    QResizeEvent e(qt_desktopWidget->size(), qt_desktopWidget->size());
+    QApplication::sendEvent(qt_desktopWidget, &e);
 }
 #endif
 
@@ -1341,6 +1344,10 @@ void QSymbianControl::setFocusSafely(bool focus)
     // focus in Symbian. If this is not executed, the control which happens to be on
     // the top of the stack may randomly be assigned focus by Symbian, for example
     // when creating new windows (specifically in CCoeAppUi::HandleStackChanged()).
+
+    // Close any popups.
+    CEikonEnv::Static()->EikAppUi()->StopDisplayingMenuBar();
+
     if (focus) {
         S60->appUi()->RemoveFromStack(this);
         // Symbian doesn't automatically remove focus from the last focused control, so we need to
diff --git a/src/gui/kernel/qdnd_win.cpp b/src/gui/kernel/qdnd_win.cpp
index a164c2a..7083886 100644
--- a/src/gui/kernel/qdnd_win.cpp
+++ b/src/gui/kernel/qdnd_win.cpp
@@ -515,7 +515,7 @@ static inline Qt::MouseButtons keystate_to_mousebutton(DWORD grfKeyState)
 //---------------------------------------------------------------------
 //                    IDropSource Methods
 //---------------------------------------------------------------------
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropSource::QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState)
 {
 #ifdef QDND_DEBUG
@@ -545,7 +545,7 @@ QOleDropSource::QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState)
     }
 }
 
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropSource::GiveFeedback(DWORD dwEffect)
 {
     Qt::DropAction action = translateToQDragDropAction(dwEffect);
@@ -626,7 +626,7 @@ QOleDropTarget::Release(void)
 //                    IDropTarget Methods
 //---------------------------------------------------------------------
 
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropTarget::DragEnter(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
 {
 #ifdef QDND_DEBUG
@@ -688,7 +688,7 @@ void QOleDropTarget::sendDragEnterEvent(QWidget *dragEnterWidget, DWORD grfKeySt
 
 }
 
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropTarget::DragOver(DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
 {
 #ifdef QDND_DEBUG
@@ -758,7 +758,7 @@ QOleDropTarget::DragOver(DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
     return NOERROR;
 }
 
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropTarget::DragLeave()
 {
 #ifdef QDND_DEBUG
@@ -785,7 +785,7 @@ QOleDropTarget::DragLeave()
 
 #define KEY_STATE_BUTTON_MASK (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)
 
-STDMETHODIMP
+QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP
 QOleDropTarget::Drop(LPDATAOBJECT /*pDataObj*/, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
 {
 #ifdef QDND_DEBUG
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index 88ff1e6..2dd3791 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -193,6 +193,7 @@ void macWindowToolbarShow(const QWidget *widget, bool show )
         }
     }
 #else
+    qt_widget_private(const_cast<QWidget *>(widget))->updateFrameStrut();
     ShowHideWindowToolbar(wnd, show, false);
 #endif
 }
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index e01489f..8d80e10 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -889,8 +889,10 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
                 q->setWindowOpacity(maybeTopData()->opacity/255.);
 
         }
-    } else if (q->testAttribute(Qt::WA_SetCursor) && q->internalWinId()) {
+    } else if (q->internalWinId()) {
         qt_x11_enforce_cursor(q);
+        if (QWidget *p = q->parentWidget()) // reset the cursor on the native parent
+            qt_x11_enforce_cursor(p);
     }
 
     if (extra && !extra->mask.isEmpty() && q->internalWinId())
diff --git a/src/gui/painting/qgrayraster.c b/src/gui/painting/qgrayraster.c
index 94039fb..ec9ebeb 100644
--- a/src/gui/painting/qgrayraster.c
+++ b/src/gui/painting/qgrayraster.c
@@ -233,7 +233,7 @@
   /* new algorithms                                                       */
 
   typedef int   TCoord;   /* integer scanline/pixel coordinate */
-  typedef long  TPos;     /* sub-pixel coordinate              */
+  typedef int   TPos;     /* sub-pixel coordinate              */
 
   /* determine the type used to store cell areas.  This normally takes at */
   /* least PIXEL_BITS*2 + 1 bits.  On 16-bit systems, we need to use      */
@@ -317,6 +317,7 @@
     PCell*     ycells;
     int        ycount;
 
+    int        skip_spans;
   } TWorker, *PWorker;
 
 
@@ -324,13 +325,19 @@
   {
     void*    buffer;
     long     buffer_size;
+    long     buffer_allocated_size;
     int      band_size;
     void*    memory;
     PWorker  worker;
 
   } TRaster, *PRaster;
 
-
+  int q_gray_rendered_spans(TRaster *raster)
+  {
+    if ( raster && raster->worker )
+      return raster->worker->skip_spans > 0 ? 0 : -raster->worker->skip_spans;
+    return 0;
+  }
 
   /*************************************************************************/
   /*                                                                       */
@@ -538,7 +545,7 @@
                                  TCoord  y2 )
   {
     TCoord  ex1, ex2, fx1, fx2, delta;
-    long    p, first, dx;
+    int     p, first, dx;
     int     incr, lift, mod, rem;
 
 
@@ -643,7 +650,7 @@
   {
     TCoord  ey1, ey2, fy1, fy2;
     TPos    dx, dy, x, x2;
-    long    p, first;
+    int     p, first;
     int     delta, rem, mod, lift, incr;
 
 
@@ -1178,6 +1185,7 @@
   {
     QT_FT_Span*  span;
     int       coverage;
+    int       skip;
 
 
     /* compute the coverage line's coverage, depending on the    */
@@ -1228,9 +1236,16 @@
 
       if ( ras.num_gray_spans >= QT_FT_MAX_GRAY_SPANS )
       {
-        if ( ras.render_span )
-          ras.render_span( ras.num_gray_spans, ras.gray_spans,
+        if ( ras.render_span && ras.num_gray_spans > ras.skip_spans )
+        {
+          skip = ras.skip_spans > 0 ? ras.skip_spans : 0;
+          ras.render_span( ras.num_gray_spans - skip,
+                           ras.gray_spans + skip,
                            ras.render_span_data );
+        }
+
+        ras.skip_spans -= ras.num_gray_spans;
+
         /* ras.render_span( span->y, ras.gray_spans, count ); */
 
 #ifdef DEBUG_GRAYS
@@ -1600,7 +1615,8 @@
     TBand* volatile  band;
     int volatile     n, num_bands;
     TPos volatile    min, max, max_y;
-    QT_FT_BBox*         clip;
+    QT_FT_BBox*      clip;
+    int              skip;
 
     ras.num_gray_spans = 0;
 
@@ -1670,7 +1686,7 @@
         {
           PCell  cells_max;
           int    yindex;
-          long   cell_start, cell_end, cell_mod;
+          int    cell_start, cell_end, cell_mod;
 
 
           ras.ycells = (PCell*)ras.buffer;
@@ -1741,9 +1757,15 @@
       }
     }
 
-    if ( ras.render_span && ras.num_gray_spans > 0 )
-        ras.render_span( ras.num_gray_spans,
-                         ras.gray_spans, ras.render_span_data );
+    if ( ras.render_span && ras.num_gray_spans > ras.skip_spans )
+    {
+        skip = ras.skip_spans > 0 ? ras.skip_spans : 0;
+        ras.render_span( ras.num_gray_spans - skip,
+                         ras.gray_spans + skip,
+                         ras.render_span_data );
+    }
+
+    ras.skip_spans -= ras.num_gray_spans;
 
     if ( ras.band_shoot > 8 && ras.band_size > 16 )
       ras.band_size = ras.band_size / 2;
@@ -1764,10 +1786,13 @@
     if ( !raster || !raster->buffer || !raster->buffer_size )
       return ErrRaster_Invalid_Argument;
 
+    if ( raster->worker )
+      raster->worker->skip_spans = params->skip_spans;
+
     // If raster object and raster buffer are allocated, but
     // raster size isn't of the minimum size, indicate out of
     // memory.
-    if (raster && raster->buffer && raster->buffer_size < MINIMUM_POOL_SIZE )
+    if (raster->buffer_allocated_size < MINIMUM_POOL_SIZE )
       return ErrRaster_OutOfMemory;
 
     /* return immediately if the outline is empty */
@@ -1906,6 +1931,7 @@
         rast->buffer_size = 0;
         rast->worker      = NULL;
       }
+      rast->buffer_allocated_size = pool_size;
     }
   }
 
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 3d963a7..ed5d67c 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -4165,6 +4165,10 @@ void QRasterPaintEnginePrivate::rasterize(QT_FT_Outline *outline,
     rasterize(outline, callback, (void *)spanData, rasterBuffer);
 }
 
+extern "C" {
+    int q_gray_rendered_spans(QT_FT_Raster raster);
+}
+
 void QRasterPaintEnginePrivate::rasterize(QT_FT_Outline *outline,
                                           ProcessSpans callback,
                                           void *userData, QRasterBuffer *)
@@ -4229,10 +4233,13 @@ void QRasterPaintEnginePrivate::rasterize(QT_FT_Outline *outline,
     bool done = false;
     int error;
 
+    int rendered_spans = 0;
+
     while (!done) {
 
         rasterParams.flags |= (QT_FT_RASTER_FLAG_AA | QT_FT_RASTER_FLAG_DIRECT);
         rasterParams.gray_spans = callback;
+        rasterParams.skip_spans = rendered_spans;
         error = qt_ft_grays_raster.raster_render(*grayRaster.data(), &rasterParams);
 
         // Out of memory, reallocate some more and try again...
@@ -4243,6 +4250,8 @@ void QRasterPaintEnginePrivate::rasterize(QT_FT_Outline *outline,
                 break;
             }
 
+            rendered_spans += q_gray_rendered_spans(*grayRaster.data());
+
 #if defined(Q_WS_WIN64)
             _aligned_free(rasterPoolBase);
 #else
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index 1e857e4..c1e3d66 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -517,7 +517,7 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
             QPainterPath painterPath = state()->matrix.map(path.convertToPainterPath());
             d->activeStroker->strokePath(painterPath, d->strokeHandler, QTransform());
         } else {
-            d->activeStroker->setCurveThresholdFromTransform(state()->matrix);
+            d->activeStroker->setCurveThresholdFromTransform(QTransform());
             d->activeStroker->begin(d->strokeHandler);
             if (types) {
                 while (points < lastPoint) {
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 35a74c9..b0ca6ed 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -2780,7 +2780,7 @@ void QPainter::setClipRect(const QRectF &rect, Qt::ClipOperation op)
     Q_D(QPainter);
 
     if (d->extended) {
-        if (!hasClipping() && (op == Qt::IntersectClip || op == Qt::UniteClip))
+        if ((!d->state->clipEnabled && op != Qt::NoClip) || (d->state->clipOperation == Qt::NoClip && op == Qt::UniteClip))
             op = Qt::ReplaceClip;
 
         if (!d->engine) {
@@ -2838,7 +2838,7 @@ void QPainter::setClipRect(const QRect &rect, Qt::ClipOperation op)
         return;
     }
 
-    if (!hasClipping() && (op == Qt::IntersectClip || op == Qt::UniteClip))
+    if ((!d->state->clipEnabled && op != Qt::NoClip) || (d->state->clipOperation == Qt::NoClip && op == Qt::UniteClip))
         op = Qt::ReplaceClip;
 
     if (d->extended) {
@@ -2893,7 +2893,7 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op)
         return;
     }
 
-    if (!hasClipping() && (op == Qt::IntersectClip || op == Qt::UniteClip))
+    if ((!d->state->clipEnabled && op != Qt::NoClip) || (d->state->clipOperation == Qt::NoClip && op == Qt::UniteClip))
         op = Qt::ReplaceClip;
 
     if (d->extended) {
@@ -3298,7 +3298,7 @@ void QPainter::setClipPath(const QPainterPath &path, Qt::ClipOperation op)
         return;
     }
 
-    if (!hasClipping() && (op == Qt::IntersectClip || op == Qt::UniteClip))
+    if ((!d->state->clipEnabled && op != Qt::NoClip) || (d->state->clipOperation == Qt::NoClip && op == Qt::UniteClip))
         op = Qt::ReplaceClip;
 
     if (d->extended) {
@@ -6311,7 +6311,7 @@ void QPainter::drawText(const QRectF &r, int flags, const QString &str, QRectF *
 
     By default, QPainter draws text anti-aliased.
 
-    \note The y-position is used as the baseline of the font.
+    \note The y-position is used as the top of the font.
 
     \sa Qt::AlignmentFlag, Qt::TextFlag
 */
diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp
index fdb84e0..ba5d164 100644
--- a/src/gui/painting/qpdf.cpp
+++ b/src/gui/painting/qpdf.cpp
@@ -916,24 +916,6 @@ const char *QPdf::paperSizeToString(QPrinter::PaperSize paperSize)
 }
 
 
-Q_GUI_EXPORT QByteArray QPdf::stripSpecialCharacters(const QByteArray &string)
-{
-    QByteArray s = string;
-    s.replace(' ', "");
-    s.replace('(', "");
-    s.replace(')', "");
-    s.replace('<', "");
-    s.replace('>', "");
-    s.replace('[', "");
-    s.replace(']', "");
-    s.replace('{', "");
-    s.replace('}', "");
-    s.replace('/', "");
-    s.replace('%', "");
-    return s;
-}
-
-
 // -------------------------- base engine, shared code between PS and PDF -----------------------
 
 QPdfBaseEngine::QPdfBaseEngine(QPdfBaseEnginePrivate &dd, PaintEngineFeatures f)
diff --git a/src/gui/painting/qpdf_p.h b/src/gui/painting/qpdf_p.h
index 9c4d05d..5c5ceb4 100644
--- a/src/gui/painting/qpdf_p.h
+++ b/src/gui/painting/qpdf_p.h
@@ -156,8 +156,6 @@ namespace QPdf {
     PaperSize paperSize(QPrinter::PaperSize paperSize);
     const char *paperSizeToString(QPrinter::PaperSize paperSize);
 
-
-    QByteArray stripSpecialCharacters(const QByteArray &string);
 }
 
 
diff --git a/src/gui/painting/qrasterdefs_p.h b/src/gui/painting/qrasterdefs_p.h
index 19a0b16..f6339ed 100644
--- a/src/gui/painting/qrasterdefs_p.h
+++ b/src/gui/painting/qrasterdefs_p.h
@@ -100,7 +100,7 @@ QT_FT_BEGIN_HEADER
   /*    distances in integer font units, or 16,16, or 26.6 fixed float     */
   /*    pixel coordinates.                                                 */
   /*                                                                       */
-  typedef signed long  QT_FT_Pos;
+  typedef signed int  QT_FT_Pos;
 
 
   /*************************************************************************/
@@ -1088,6 +1088,7 @@ QT_FT_BEGIN_HEADER
     QT_FT_Raster_BitSet_Func   bit_set;      /* doesn't work! */
     void*                   user;
     QT_FT_BBox                 clip_box;
+    int                     skip_spans;
 
   } QT_FT_Raster_Params;
 
diff --git a/src/gui/painting/qrasterizer.cpp b/src/gui/painting/qrasterizer.cpp
index c92d8d5..9d89b10 100644
--- a/src/gui/painting/qrasterizer.cpp
+++ b/src/gui/painting/qrasterizer.cpp
@@ -65,6 +65,12 @@ typedef int Q16Dot16;
 #define COORD_ROUNDING 0 // 0: round up, 1: round down
 #define COORD_OFFSET 0 // 26.6, 32 is half a pixel
 
+static inline QT_FT_Vector PointToVector(const QPointF &p)
+{
+    QT_FT_Vector result = { QT_FT_Pos(p.x() * 64), QT_FT_Pos(p.y() * 64) };
+    return result;
+}
+
 class QSpanBuffer {
 public:
     QSpanBuffer(ProcessSpans blend, void *data, const QRect &clipRect)
@@ -693,9 +699,9 @@ static Q16Dot16 intersectPixelFP(int x, Q16Dot16 top, Q16Dot16 bottom, Q16Dot16
     }
 }
 
-static inline bool q16Dot16Compare(qreal p1, qreal p2)
+static inline bool q26Dot6Compare(qreal p1, qreal p2)
 {
-    return FloatToQ16Dot16(p2 - p1) == 0;
+    return int((p2  - p1) * 64.) == 0;
 }
 
 static inline qreal qFloorF(qreal v)
@@ -708,6 +714,12 @@ static inline qreal qFloorF(qreal v)
         return floor(v);
 }
 
+static inline QPointF snapTo26Dot6Grid(const QPointF &p)
+{
+    return QPointF(qFloorF(p.x() * 64) * (1 / qreal(64)),
+                   qFloorF(p.y() * 64) * (1 / qreal(64)));
+}
+
 void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width, bool squareCap)
 {
     if (a == b || width == 0 || d->clipRect.isEmpty())
@@ -718,17 +730,21 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
     QPointF pa = a;
     QPointF pb = b;
 
+    if (squareCap) {
+        QPointF delta = pb - pa;
+        pa -= (0.5f * width) * delta;
+        pb += (0.5f * width) * delta;
+    }
+
     QPointF offs = QPointF(qAbs(b.y() - a.y()), qAbs(b.x() - a.x())) * width * 0.5;
-    if (squareCap)
-        offs += QPointF(offs.y(), offs.x());
     const QRectF clip(d->clipRect.topLeft() - offs, d->clipRect.bottomRight() + QPoint(1, 1) + offs);
 
-    if (!clip.contains(a) || !clip.contains(b)) {
+    if (!clip.contains(pa) || !clip.contains(pb)) {
         qreal t1 = 0;
         qreal t2 = 1;
 
-        const qreal o[2] = { a.x(), a.y() };
-        const qreal d[2] = { b.x() - a.x(), b.y() - a.y() };
+        const qreal o[2] = { pa.x(), pa.y() };
+        const qreal d[2] = { pb.x() - pa.x(), pb.y() - pa.y() };
 
         const qreal low[2] = { clip.left(), clip.top() };
         const qreal high[2] = { clip.right(), clip.bottom() };
@@ -751,8 +767,12 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
             if (t1 >= t2)
                 return;
         }
-        pa = a + (b - a) * t1;
-        pb = a + (b - a) * t2;
+
+        QPointF npa = pa + (pb - pa) * t1;
+        QPointF npb = pa + (pb - pa) * t2;
+
+        pa = npa;
+        pb = npb;
     }
 
     if (!d->antialiased) {
@@ -763,15 +783,6 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
     }
 
     {
-        const qreal gridResolution = 64;
-        const qreal reciprocal = 1 / gridResolution;
-
-        // snap to grid to prevent large slopes
-        pa.rx() = qFloorF(pa.rx() * gridResolution) * reciprocal;
-        pa.ry() = qFloorF(pa.ry() * gridResolution) * reciprocal;
-        pb.rx() = qFloorF(pb.rx() * gridResolution) * reciprocal;
-        pb.ry() = qFloorF(pb.ry() * gridResolution) * reciprocal;
-
         // old delta
         const QPointF d0 = a - b;
         const qreal w0 = d0.x() * d0.x() + d0.y() * d0.y();
@@ -789,7 +800,7 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
 
     QSpanBuffer buffer(d->blend, d->data, d->clipRect);
 
-    if (q16Dot16Compare(pa.y(), pb.y())) {
+    if (q26Dot6Compare(pa.y(), pb.y())) {
         const qreal x = (pa.x() + pb.x()) * 0.5f;
         const qreal dx = qAbs(pb.x() - pa.x()) * 0.5f;
 
@@ -799,26 +810,16 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
         pa = QPointF(x, y - dy);
         pb = QPointF(x, y + dy);
 
-        if (squareCap)
-            width = 1 / width + 1.0f;
-        else
-            width = 1 / width;
-
-        squareCap = false;
+        width = 1 / width;
     }
 
-    if (q16Dot16Compare(pa.x(), pb.x())) {
+    if (q26Dot6Compare(pa.x(), pb.x())) {
         if (pa.y() > pb.y())
             qSwap(pa, pb);
 
         const qreal dy = pb.y() - pa.y();
         const qreal halfWidth = 0.5f * width * dy;
 
-        if (squareCap) {
-            pa.ry() -= halfWidth;
-            pb.ry() += halfWidth;
-        }
-
         qreal left = pa.x() - halfWidth;
         qreal right = pa.x() + halfWidth;
 
@@ -828,7 +829,7 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
         pa.ry() = qBound(qreal(d->clipRect.top()), pa.y(), qreal(d->clipRect.bottom() + 1));
         pb.ry() = qBound(qreal(d->clipRect.top()), pb.y(), qreal(d->clipRect.bottom() + 1));
 
-        if (q16Dot16Compare(left, right) || q16Dot16Compare(pa.y(), pb.y()))
+        if (q26Dot6Compare(left, right) || q26Dot6Compare(pa.y(), pb.y()))
             return;
 
         if (d->antialiased) {
@@ -899,11 +900,6 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
         delta *= 0.5f * width;
         const QPointF perp(delta.y(), -delta.x());
 
-        if (squareCap) {
-            pa -= delta;
-            pb += delta;
-        }
-
         QPointF top;
         QPointF left;
         QPointF right;
@@ -921,14 +917,36 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
             bottom = pb + perp;
         }
 
+        top = snapTo26Dot6Grid(top);
+        bottom = snapTo26Dot6Grid(bottom);
+        left = snapTo26Dot6Grid(left);
+        right = snapTo26Dot6Grid(right);
+
         const qreal topBound = qBound(qreal(d->clipRect.top()), top.y(), qreal(d->clipRect.bottom()));
         const qreal bottomBound = qBound(qreal(d->clipRect.top()), bottom.y(), qreal(d->clipRect.bottom()));
 
-        const qreal leftSlope = (left.x() - top.x()) / (left.y() - top.y());
-        const qreal rightSlope = -1.0f / leftSlope;
+        const QPointF topLeftEdge = left - top;
+        const QPointF topRightEdge = right - top;
+        const QPointF bottomLeftEdge = bottom - left;
+        const QPointF bottomRightEdge = bottom - right;
+
+        const qreal topLeftSlope = topLeftEdge.x() / topLeftEdge.y();
+        const qreal bottomLeftSlope = bottomLeftEdge.x() / bottomLeftEdge.y();
+
+        const qreal topRightSlope = topRightEdge.x() / topRightEdge.y();
+        const qreal bottomRightSlope = bottomRightEdge.x() / bottomRightEdge.y();
+
+        const Q16Dot16 topLeftSlopeFP = FloatToQ16Dot16(topLeftSlope);
+        const Q16Dot16 topRightSlopeFP = FloatToQ16Dot16(topRightSlope);
 
-        const Q16Dot16 leftSlopeFP = FloatToQ16Dot16(leftSlope);
-        const Q16Dot16 rightSlopeFP = FloatToQ16Dot16(rightSlope);
+        const Q16Dot16 bottomLeftSlopeFP = FloatToQ16Dot16(bottomLeftSlope);
+        const Q16Dot16 bottomRightSlopeFP = FloatToQ16Dot16(bottomRightSlope);
+
+        const Q16Dot16 invTopLeftSlopeFP = FloatToQ16Dot16(1 / topLeftSlope);
+        const Q16Dot16 invTopRightSlopeFP = FloatToQ16Dot16(1 / topRightSlope);
+
+        const Q16Dot16 invBottomLeftSlopeFP = FloatToQ16Dot16(1 / bottomLeftSlope);
+        const Q16Dot16 invBottomRightSlopeFP = FloatToQ16Dot16(1 / bottomRightSlope);
 
         if (d->antialiased) {
             const Q16Dot16 iTopFP = IntToQ16Dot16(int(topBound));
@@ -936,16 +954,16 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
             const Q16Dot16 iRightFP = IntToQ16Dot16(int(right.y()));
             const Q16Dot16 iBottomFP = IntToQ16Dot16(int(bottomBound));
 
-            Q16Dot16 leftIntersectAf = FloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * leftSlope);
-            Q16Dot16 rightIntersectAf = FloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * rightSlope);
+            Q16Dot16 leftIntersectAf = FloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * topLeftSlope);
+            Q16Dot16 rightIntersectAf = FloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * topRightSlope);
             Q16Dot16 leftIntersectBf = 0;
             Q16Dot16 rightIntersectBf = 0;
 
             if (iLeftFP < iTopFP)
-                leftIntersectBf = FloatToQ16Dot16(left.x() + (int(topBound) - left.y()) * rightSlope);
+                leftIntersectBf = FloatToQ16Dot16(left.x() + (int(topBound) - left.y()) * bottomLeftSlope);
 
             if (iRightFP < iTopFP)
-                rightIntersectBf = FloatToQ16Dot16(right.x() + (int(topBound) - right.y()) * leftSlope);
+                rightIntersectBf = FloatToQ16Dot16(right.x() + (int(topBound) - right.y()) * bottomRightSlope);
 
             Q16Dot16 rowTop, rowBottomLeft, rowBottomRight, rowTopLeft, rowTopRight, rowBottom;
             Q16Dot16 topLeftIntersectAf, topLeftIntersectBf, topRightIntersectAf, topRightIntersectBf;
@@ -960,9 +978,9 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
 
             rowTop = qMax(iTopFP, yTopFP);
             topLeftIntersectAf = leftIntersectAf +
-                                 Q16Dot16Multiply(leftSlopeFP, rowTop - iTopFP);
+                                 Q16Dot16Multiply(topLeftSlopeFP, rowTop - iTopFP);
             topRightIntersectAf = rightIntersectAf +
-                                  Q16Dot16Multiply(rightSlopeFP, rowTop - iTopFP);
+                                  Q16Dot16Multiply(topRightSlopeFP, rowTop - iTopFP);
 
             Q16Dot16 yFP = iTopFP;
             while (yFP <= iBottomFP) {
@@ -974,30 +992,30 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
 
                 if (yFP == iLeftFP) {
                     const int y = Q16Dot16ToInt(yFP);
-                    leftIntersectBf = FloatToQ16Dot16(left.x() + (y - left.y()) * rightSlope);
-                    topLeftIntersectBf = leftIntersectBf + Q16Dot16Multiply(rightSlopeFP, rowTopLeft - yFP);
-                    bottomLeftIntersectAf = leftIntersectAf + Q16Dot16Multiply(leftSlopeFP, rowBottomLeft - yFP);
+                    leftIntersectBf = FloatToQ16Dot16(left.x() + (y - left.y()) * bottomLeftSlope);
+                    topLeftIntersectBf = leftIntersectBf + Q16Dot16Multiply(bottomLeftSlopeFP, rowTopLeft - yFP);
+                    bottomLeftIntersectAf = leftIntersectAf + Q16Dot16Multiply(topLeftSlopeFP, rowBottomLeft - yFP);
                 } else {
                     topLeftIntersectBf = leftIntersectBf;
-                    bottomLeftIntersectAf = leftIntersectAf + leftSlopeFP;
+                    bottomLeftIntersectAf = leftIntersectAf + topLeftSlopeFP;
                 }
 
                 if (yFP == iRightFP) {
                     const int y = Q16Dot16ToInt(yFP);
-                    rightIntersectBf = FloatToQ16Dot16(right.x() + (y - right.y()) * leftSlope);
-                    topRightIntersectBf = rightIntersectBf + Q16Dot16Multiply(leftSlopeFP, rowTopRight - yFP);
-                    bottomRightIntersectAf = rightIntersectAf + Q16Dot16Multiply(rightSlopeFP, rowBottomRight - yFP);
+                    rightIntersectBf = FloatToQ16Dot16(right.x() + (y - right.y()) * bottomRightSlope);
+                    topRightIntersectBf = rightIntersectBf + Q16Dot16Multiply(bottomRightSlopeFP, rowTopRight - yFP);
+                    bottomRightIntersectAf = rightIntersectAf + Q16Dot16Multiply(topRightSlopeFP, rowBottomRight - yFP);
                 } else {
                     topRightIntersectBf = rightIntersectBf;
-                    bottomRightIntersectAf = rightIntersectAf + rightSlopeFP;
+                    bottomRightIntersectAf = rightIntersectAf + topRightSlopeFP;
                 }
 
                 if (yFP == iBottomFP) {
-                    bottomLeftIntersectBf = leftIntersectBf + Q16Dot16Multiply(rightSlopeFP, rowBottom - yFP);
-                    bottomRightIntersectBf = rightIntersectBf + Q16Dot16Multiply(leftSlopeFP, rowBottom - yFP);
+                    bottomLeftIntersectBf = leftIntersectBf + Q16Dot16Multiply(bottomLeftSlopeFP, rowBottom - yFP);
+                    bottomRightIntersectBf = rightIntersectBf + Q16Dot16Multiply(bottomRightSlopeFP, rowBottom - yFP);
                 } else {
-                    bottomLeftIntersectBf = leftIntersectBf + rightSlopeFP;
-                    bottomRightIntersectBf = rightIntersectBf + leftSlopeFP;
+                    bottomLeftIntersectBf = leftIntersectBf + bottomLeftSlopeFP;
+                    bottomRightIntersectBf = rightIntersectBf + bottomRightSlopeFP;
                 }
 
                 if (yFP < iLeftFP) {
@@ -1042,21 +1060,21 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
                     if (yFP <= iLeftFP)
                         excluded += intersectPixelFP(x, rowTop, rowBottomLeft,
                                                      bottomLeftIntersectAf, topLeftIntersectAf,
-                                                     leftSlopeFP, -rightSlopeFP);
+                                                     topLeftSlopeFP, invTopLeftSlopeFP);
                     if (yFP >= iLeftFP)
                         excluded += intersectPixelFP(x, rowTopLeft, rowBottom,
                                                      topLeftIntersectBf, bottomLeftIntersectBf,
-                                                     rightSlopeFP, -leftSlopeFP);
+                                                     bottomLeftSlopeFP, invBottomLeftSlopeFP);
 
                     if (x >= rightMin) {
                         if (yFP <= iRightFP)
                             excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight,
                                                                                      topRightIntersectAf, bottomRightIntersectAf,
-                                                                                     rightSlopeFP, -leftSlopeFP);
+                                                                                     topRightSlopeFP, invTopRightSlopeFP);
                         if (yFP >= iRightFP)
                             excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom,
                                                                                      bottomRightIntersectBf, topRightIntersectBf,
-                                                                                     leftSlopeFP, -rightSlopeFP);
+                                                                                     bottomRightSlopeFP, invBottomRightSlopeFP);
                     }
 
                     Q16Dot16 coverage = rowHeight - excluded;
@@ -1074,11 +1092,11 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
                     if (yFP <= iRightFP)
                         excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight,
                                                                                  topRightIntersectAf, bottomRightIntersectAf,
-                                                                                 rightSlopeFP, -leftSlopeFP);
+                                                                                 topRightSlopeFP, invTopRightSlopeFP);
                     if (yFP >= iRightFP)
                         excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom,
                                                                                  bottomRightIntersectBf, topRightIntersectBf,
-                                                                                 leftSlopeFP, -rightSlopeFP);
+                                                                                 bottomRightSlopeFP, invBottomRightSlopeFP);
 
                     Q16Dot16 coverage = rowHeight - excluded;
                     buffer.addSpan(x, 1, Q16Dot16ToInt(yFP),
@@ -1086,10 +1104,10 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
                     ++x;
                 }
 
-                leftIntersectAf += leftSlopeFP;
-                leftIntersectBf += rightSlopeFP;
-                rightIntersectAf += rightSlopeFP;
-                rightIntersectBf += leftSlopeFP;
+                leftIntersectAf += topLeftSlopeFP;
+                leftIntersectBf += bottomLeftSlopeFP;
+                rightIntersectAf += topRightSlopeFP;
+                rightIntersectBf += bottomRightSlopeFP;
                 topLeftIntersectAf = leftIntersectAf;
                 topRightIntersectAf = rightIntersectAf;
 
@@ -1103,10 +1121,10 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
             int iBottom = bottom.y() < 0.5f? -1 : int(bottom.y() - 0.5f);
             int iMiddle = qMin(iLeft, iRight);
 
-            Q16Dot16 leftIntersectAf = FloatToQ16Dot16(top.x() + 0.5f + (iTop + 0.5f - top.y()) * leftSlope);
-            Q16Dot16 leftIntersectBf = FloatToQ16Dot16(left.x() + 0.5f + (iLeft + 1.5f - left.y()) * rightSlope);
-            Q16Dot16 rightIntersectAf = FloatToQ16Dot16(top.x() - 0.5f + (iTop + 0.5f - top.y()) * rightSlope);
-            Q16Dot16 rightIntersectBf = FloatToQ16Dot16(right.x() - 0.5f + (iRight + 1.5f - right.y()) * leftSlope);
+            Q16Dot16 leftIntersectAf = FloatToQ16Dot16(top.x() + 0.5f + (iTop + 0.5f - top.y()) * topLeftSlope);
+            Q16Dot16 leftIntersectBf = FloatToQ16Dot16(left.x() + 0.5f + (iLeft + 1.5f - left.y()) * bottomLeftSlope);
+            Q16Dot16 rightIntersectAf = FloatToQ16Dot16(top.x() - 0.5f + (iTop + 0.5f - top.y()) * topRightSlope);
+            Q16Dot16 rightIntersectBf = FloatToQ16Dot16(right.x() - 0.5f + (iRight + 1.5f - right.y()) * bottomRightSlope);
 
             int ny;
             int y = iTop;
@@ -1128,10 +1146,10 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
                 ri += rs; \
              }
 
-            DO_SEGMENT(iMiddle, leftIntersectAf, rightIntersectAf, leftSlopeFP, rightSlopeFP)
-            DO_SEGMENT(iRight, leftIntersectBf, rightIntersectAf, rightSlopeFP, rightSlopeFP)
-            DO_SEGMENT(iLeft, leftIntersectAf, rightIntersectBf, leftSlopeFP, leftSlopeFP)
-            DO_SEGMENT(iBottom, leftIntersectBf, rightIntersectBf, rightSlopeFP, leftSlopeFP)
+            DO_SEGMENT(iMiddle, leftIntersectAf, rightIntersectAf, topLeftSlopeFP, topRightSlopeFP)
+            DO_SEGMENT(iRight, leftIntersectBf, rightIntersectAf, bottomLeftSlopeFP, topRightSlopeFP)
+            DO_SEGMENT(iLeft, leftIntersectAf, rightIntersectBf, topLeftSlopeFP, bottomRightSlopeFP);
+            DO_SEGMENT(iBottom, leftIntersectBf, rightIntersectBf, bottomLeftSlopeFP, bottomRightSlopeFP);
 #undef DO_SEGMENT
         }
     }
@@ -1183,12 +1201,6 @@ void QRasterizer::rasterize(const QT_FT_Outline *outline, Qt::FillRule fillRule)
     d->scanConverter.end();
 }
 
-static inline QT_FT_Vector PointToVector(const QPointF &p)
-{
-    QT_FT_Vector result = { QT_FT_Pos(p.x() * 64), QT_FT_Pos(p.y() * 64) };
-    return result;
-}
-
 void QRasterizer::rasterize(const QPainterPath &path, Qt::FillRule fillRule)
 {
     if (path.isEmpty())
diff --git a/src/gui/painting/qstroker.cpp b/src/gui/painting/qstroker.cpp
index 9cff339..9decf41 100644
--- a/src/gui/painting/qstroker.cpp
+++ b/src/gui/painting/qstroker.cpp
@@ -190,6 +190,7 @@ static inline qreal adapted_angle_on_x(const QLineF &line)
 QStrokerOps::QStrokerOps()
     : m_elements(0)
     , m_curveThreshold(qt_real_to_fixed(0.25))
+    , m_dashThreshold(qt_real_to_fixed(0.25))
     , m_customData(0)
     , m_moveTo(0)
     , m_lineTo(0)
@@ -243,7 +244,7 @@ void QStrokerOps::strokePath(const QPainterPath &path, void *customData, const Q
     if (path.isEmpty())
         return;
 
-    setCurveThresholdFromTransform(matrix);
+    setCurveThresholdFromTransform(QTransform());
     begin(customData);
     int count = path.elementCount();
     if (matrix.isIdentity()) {
@@ -315,7 +316,7 @@ void QStrokerOps::strokePolygon(const QPointF *points, int pointCount, bool impl
     if (!pointCount)
         return;
 
-    setCurveThresholdFromTransform(matrix);
+    setCurveThresholdFromTransform(QTransform());
     begin(data);
     if (matrix.isIdentity()) {
         moveTo(qt_real_to_fixed(points[0].x()), qt_real_to_fixed(points[0].y()));
@@ -356,7 +357,7 @@ void QStrokerOps::strokeEllipse(const QRectF &rect, void *data, const QTransform
         }
     }
 
-    setCurveThresholdFromTransform(matrix);
+    setCurveThresholdFromTransform(QTransform());
     begin(data);
     moveTo(qt_real_to_fixed(start.x()), qt_real_to_fixed(start.y()));
     for (int i=0; i<12; i+=3) {
@@ -1142,7 +1143,7 @@ void QDashStroker::processCurrentSubpath()
 
     QPainterPath dashPath;
 
-    QSubpathFlatIterator it(&m_elements, m_curveThreshold);
+    QSubpathFlatIterator it(&m_elements, m_dashThreshold);
     qfixed2d prev = it.next();
 
     bool clipping = !m_clip_rect.isEmpty();
diff --git a/src/gui/painting/qstroker_p.h b/src/gui/painting/qstroker_p.h
index d646135..5607a8e 100644
--- a/src/gui/painting/qstroker_p.h
+++ b/src/gui/painting/qstroker_p.h
@@ -168,7 +168,7 @@ public:
     {
         qreal scale;
         qt_scaleForTransform(transform, &scale);
-        setCurveThreshold(scale == 0 ? qreal(0.5) : (qreal(0.5) / scale));
+        m_dashThreshold = scale == 0 ? qreal(0.5) : (qreal(0.5) / scale);
     }
 
     void setCurveThreshold(qfixed threshold) { m_curveThreshold = threshold; }
@@ -184,6 +184,7 @@ protected:
 
     QRectF m_clip_rect;
     qfixed m_curveThreshold;
+    qfixed m_dashThreshold;
 
     void *m_customData;
     qStrokerMoveToHook m_moveTo;
diff --git a/src/gui/styles/qgtkstyle_p.cpp b/src/gui/styles/qgtkstyle_p.cpp
index 4ed0fab..fdbe1f8 100644
--- a/src/gui/styles/qgtkstyle_p.cpp
+++ b/src/gui/styles/qgtkstyle_p.cpp
@@ -524,7 +524,9 @@ void QGtkStylePrivate::initGtkWidgets() const
         QGtkStylePrivate::gtk_widget_realize(gtkWindow);
         if (displayDepth == -1)
             displayDepth = QGtkStylePrivate::gdk_drawable_get_depth(gtkWindow->window);
-        gtkWidgetMap()->insert(QHashableLatin1Literal::fromData(strdup("GtkWindow")), gtkWindow);
+        QHashableLatin1Literal widgetPath = QHashableLatin1Literal::fromData(strdup("GtkWindow"));
+        removeWidgetFromMap(widgetPath);
+        gtkWidgetMap()->insert(widgetPath, gtkWindow);
 
 
         // Make all other widgets. respect the text direction
@@ -576,6 +578,7 @@ void QGtkStylePrivate::initGtkWidgets() const
                 if (!strchr(it.key().data(), '.')) {
                     addAllSubWidgets(it.value());
                 }
+                free(const_cast<char *>(it.key().data()));
             }
         }
     } else {
@@ -743,19 +746,24 @@ void QGtkStylePrivate::setupGtkWidget(GtkWidget* widget)
     }
 }
 
+void QGtkStylePrivate::removeWidgetFromMap(const QHashableLatin1Literal &path)
+{
+    WidgetMap *map = gtkWidgetMap();
+    WidgetMap::iterator it = map->find(path);
+    if (it != map->end()) {
+        free(const_cast<char *>(it.key().data()));
+        map->erase(it);
+    }
+}
+
 void QGtkStylePrivate::addWidgetToMap(GtkWidget *widget)
 {
     if (Q_GTK_IS_WIDGET(widget)) {
         gtk_widget_realize(widget);
         QHashableLatin1Literal widgetPath = classPath(widget);
 
-        WidgetMap *map = gtkWidgetMap();
-        WidgetMap::iterator it = map->find(widgetPath);
-        if (it != map->end()) {
-            free(const_cast<char *>(it.key().data()));
-            map->erase(it);
-        }
-        map->insert(widgetPath, widget);
+        removeWidgetFromMap(widgetPath);
+        gtkWidgetMap()->insert(widgetPath, widget);
 #ifdef DUMP_GTK_WIDGET_TREE
         qWarning("Inserted Gtk Widget: %s", widgetPath.data());
 #endif
diff --git a/src/gui/styles/qgtkstyle_p.h b/src/gui/styles/qgtkstyle_p.h
index 68a04e9..4e1d07a 100644
--- a/src/gui/styles/qgtkstyle_p.h
+++ b/src/gui/styles/qgtkstyle_p.h
@@ -502,6 +502,7 @@ protected:
     static void addWidgetToMap(GtkWidget* widget);
     static void addAllSubWidgets(GtkWidget *widget, gpointer v = 0);
     static void addWidget(GtkWidget *widget);
+    static void removeWidgetFromMap(const QHashableLatin1Literal &path);
 
     virtual void init();
 
diff --git a/src/gui/styles/qplastiquestyle.cpp b/src/gui/styles/qplastiquestyle.cpp
index 4690a71..8772294 100644
--- a/src/gui/styles/qplastiquestyle.cpp
+++ b/src/gui/styles/qplastiquestyle.cpp
@@ -1362,11 +1362,8 @@ void QPlastiqueStyle::drawPrimitive(PrimitiveElement element, const QStyleOption
         if (const QStyleOptionFrame *lineEdit = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
             // Panel of a line edit inside combo box or spin box is drawn in CC_ComboBox and CC_SpinBox
             if (widget) {
-#ifndef QT_NO_COMBOBOX
-                if (qobject_cast<const QComboBox *>(widget->parentWidget()))
-                    break;
-#endif
 #ifndef QT_NO_SPINBOX
+                // Spinbox doesn't need a separate palette for the lineedit
                 if (qobject_cast<const QAbstractSpinBox *>(widget->parentWidget()))
                     break;
 #endif
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 3ec6e10..cf7e963 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -2001,7 +2001,7 @@ void QS60Style::drawControl(ControlElement element, const QStyleOption *option,
     case CE_ShapedFrame:
         if (const QTextEdit *textEdit = qobject_cast<const QTextEdit *>(widget)) {
             const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(option);
-            if (QS60StylePrivate::canDrawThemeBackground(frame->palette.base(), widget))
+            if (frame && QS60StylePrivate::canDrawThemeBackground(frame->palette.base(), widget))
                 QS60StylePrivate::drawSkinElement(QS60StylePrivate::SE_Editor, painter, option->rect, flags);
             else
                 QCommonStyle::drawControl(element, option, painter, widget);
diff --git a/src/gui/styles/qstylehelper_p.h b/src/gui/styles/qstylehelper_p.h
index 71fce55..3759929 100644
--- a/src/gui/styles/qstylehelper_p.h
+++ b/src/gui/styles/qstylehelper_p.h
@@ -108,7 +108,7 @@ template <typename T>
 {
     typedef HexString<T> type;
     enum { ExactSize = true };
-    static int size(const HexString<T> &str) { return sizeof(str.val) * 2; }
+    static int size(const HexString<T> &) { return sizeof(T) * 2; }
     static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); }
 };
 
diff --git a/src/gui/styles/qwindowsvistastyle.cpp b/src/gui/styles/qwindowsvistastyle.cpp
index bed5b09..d6d3f10 100644
--- a/src/gui/styles/qwindowsvistastyle.cpp
+++ b/src/gui/styles/qwindowsvistastyle.cpp
@@ -588,10 +588,6 @@ void QWindowsVistaStyle::drawPrimitive(PrimitiveElement element, const QStyleOpt
                 if (QAbstractSpinBox *spinbox = qobject_cast<QAbstractSpinBox*>(widget->parentWidget()))
                     resolve_mask = spinbox->palette().resolve();
 #endif // QT_NO_SPINBOX
-#ifndef QT_NO_COMBOBOX
-                if (QComboBox *combobox = qobject_cast<QComboBox*>(widget->parentWidget()))
-                    resolve_mask = combobox->palette().resolve();
-#endif // QT_NO_COMBOBOX
             }
             if (resolve_mask & (1 << QPalette::Base)) {
                 // Base color is set for this widget, so use it
diff --git a/src/gui/styles/qwindowsxpstyle.cpp b/src/gui/styles/qwindowsxpstyle.cpp
index 7ab1218..f185c0d 100644
--- a/src/gui/styles/qwindowsxpstyle.cpp
+++ b/src/gui/styles/qwindowsxpstyle.cpp
@@ -2154,7 +2154,7 @@ void QWindowsXPStyle::drawControl(ControlElement element, const QStyleOption *op
                 p->setPen(menuitem->palette.text().color());
                 p->setBrush(Qt::NoBrush);
                 if (checked)
-                    p->drawRect(vIconRect.adjusted(-1, -2, 1, 1));
+                    p->drawRect(vIconRect.adjusted(-1, -1, 0, 0));
                 p->drawPixmap(vIconRect.topLeft(), pixmap);
 
             // draw checkmark -------------------------------------------------
diff --git a/src/gui/text/qfont_s60.cpp b/src/gui/text/qfont_s60.cpp
index d39f30a..80a3bb2 100644
--- a/src/gui/text/qfont_s60.cpp
+++ b/src/gui/text/qfont_s60.cpp
@@ -57,6 +57,16 @@ Q_GLOBAL_STATIC_WITH_INITIALIZER(QStringList, fontFamiliesOnFontServer, {
 });
 #endif // QT_NO_FREETYPE
 
+QString QFont::lastResortFont() const
+{
+    // Symbian's font Api does not distinguish between font and family.
+    // Therefore we try to get a "Family" first, then fall back to "Sans".
+    static QString font = lastResortFamily();
+    if (font.isEmpty())
+        font = QLatin1String("Sans");
+    return font;
+}
+
 QString QFont::lastResortFamily() const
 {
 #ifdef QT_NO_FREETYPE
diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp
index ec252cd..5e168c6 100644
--- a/src/gui/text/qfontdatabase_s60.cpp
+++ b/src/gui/text/qfontdatabase_s60.cpp
@@ -453,7 +453,7 @@ QFontDef cleanedFontDef(const QFontDef &req)
     return result;
 }
 
-QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *, const QFontDef &req)
+QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *d, const QFontDef &req)
 {
     const QFontCache::Key key(cleanedFontDef(req), script);
 
@@ -498,8 +498,14 @@ QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *, const QFo
                 static_cast<const QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras);
         const QSymbianTypeFaceExtras *typeFaceExtras =
                 dbExtras->extras(fontFamily, request.weight > QFont::Normal, request.style != QFont::StyleNormal);
+
+        // We need a valid pixelSize, e.g. for lineThickness()
+        if (request.pixelSize < 0)
+            request.pixelSize = request.pointSize * d->dpi / 72;
+
         fe = new QFontEngineS60(request, typeFaceExtras);
 #else // QT_NO_FREETYPE
+        Q_UNUSED(d)
         QFontEngine::FaceId faceId;
         const QtFontFamily * const reqQtFontFamily = db->family(fontFamily);
         faceId.filename = reqQtFontFamily->fontFilename;
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index 3652c69..f73b816 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -46,7 +46,6 @@
 #include "qpainter.h"
 #include "qpainterpath.h"
 #include "qvarlengtharray.h"
-#include <private/qpdf_p.h>
 #include <qmath.h>
 #include <qendian.h>
 #include <private/qharfbuzz_p.h>
@@ -681,11 +680,7 @@ void QFontEngine::removeGlyphFromCache(glyph_t)
 QFontEngine::Properties QFontEngine::properties() const
 {
     Properties p;
-#ifndef QT_NO_PRINTER
-    QByteArray psname = QPdf::stripSpecialCharacters(fontDef.family.toUtf8());
-#else
-    QByteArray psname = fontDef.family.toUtf8();
-#endif
+    QByteArray psname = QFontEngine::convertToPostscriptFontFamilyName(fontDef.family.toUtf8());
     psname += '-';
     psname += QByteArray::number(fontDef.style);
     psname += '-';
@@ -1097,6 +1092,23 @@ quint32 QFontEngine::getTrueTypeGlyphIndex(const uchar *cmap, uint unicode)
     return 0;
 }
 
+QByteArray QFontEngine::convertToPostscriptFontFamilyName(const QByteArray &family)
+{
+    QByteArray f = family;
+    f.replace(' ', "");
+    f.replace('(', "");
+    f.replace(')', "");
+    f.replace('<', "");
+    f.replace('>', "");
+    f.replace('[', "");
+    f.replace(']', "");
+    f.replace('{', "");
+    f.replace('}', "");
+    f.replace('/', "");
+    f.replace('%', "");
+    return f;
+}
+
 Q_GLOBAL_STATIC_WITH_INITIALIZER(QVector<QRgb>, qt_grayPalette, {
     x->resize(256);
     QRgb *it = x->data();
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index 9a9eb77..e0e9995 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -51,7 +51,6 @@
 #include "qabstractfileengine.h"
 #include "qthreadstorage.h"
 #include <qmath.h>
-#include <private/qpdf_p.h>
 #include <private/qharfbuzz_p.h>
 
 #include "qfontengine_ft_p.h"
@@ -1210,10 +1209,7 @@ QFontEngine::Properties QFontEngineFT::properties() const
 {
     Properties p = freetype->properties();
     if (p.postscriptName.isEmpty()) {
-        p.postscriptName = fontDef.family.toUtf8();
-#ifndef QT_NO_PRINTER
-        p.postscriptName = QPdf::stripSpecialCharacters(p.postscriptName);
-#endif
+        p.postscriptName = QFontEngine::convertToPostscriptFontFamilyName(fontDef.family.toUtf8());
     }
 
     return freetype->properties();
diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm
index 6e524f6..ebc1f6d 100644
--- a/src/gui/text/qfontengine_mac.mm
+++ b/src/gui/text/qfontengine_mac.mm
@@ -46,7 +46,6 @@
 #include <qbitmap.h>
 #include <private/qpaintengine_mac_p.h>
 #include <private/qprintengine_mac_p.h>
-#include <private/qpdf_p.h>
 #include <qglobal.h>
 #include <qpixmap.h>
 #include <qpixmapcache.h>
@@ -1876,7 +1875,7 @@ QFontEngine::Properties QFontEngineMac::properties() const
     QCFString psName;
     if (ATSFontGetPostScriptName(FMGetATSFontRefFromFont(fontID), kATSOptionFlagsDefault, &psName) == noErr)
         props.postscriptName = QString(psName).toUtf8();
-    props.postscriptName = QPdf::stripSpecialCharacters(props.postscriptName);
+    props.postscriptName = QFontEngine::convertToPostscriptFontFamilyName(props.postscriptName);
     return props;
 }
 
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index c1de906..3a744a0 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -232,6 +232,8 @@ public:
     static const uchar *getCMap(const uchar *table, uint tableSize, bool *isSymbolFont, int *cmapSize);
     static quint32 getTrueTypeGlyphIndex(const uchar *cmap, uint unicode);
 
+    static QByteArray convertToPostscriptFontFamilyName(const QByteArray &fontFamily);
+
     QAtomicInt ref;
     QFontDef fontDef;
     uint cache_cost; // amount of mem used in kb by the font
diff --git a/src/gui/text/qfontengine_win.cpp b/src/gui/text/qfontengine_win.cpp
index 3006776..a941dab 100644
--- a/src/gui/text/qfontengine_win.cpp
+++ b/src/gui/text/qfontengine_win.cpp
@@ -63,7 +63,6 @@
 #include <qbitmap.h>
 
 #include <private/qpainter_p.h>
-#include <private/qpdf_p.h>
 #include "qpaintengine.h"
 #include "qvarlengtharray.h"
 #include <private/qpaintengine_raster_p.h>
@@ -1039,9 +1038,7 @@ QFontEngine::Properties QFontEngineWin::properties() const
     p.italicAngle = otm->otmItalicAngle;
     p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpFamilyName)).toLatin1();
     p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpStyleName)).toLatin1();
-#ifndef QT_NO_PRINTER
-    p.postscriptName = QPdf::stripSpecialCharacters(p.postscriptName);
-#endif
+    p.postscriptName = QFontEngine::convertToPostscriptFontFamilyName(p.postscriptName);
     p.boundingBox = QRectF(otm->otmrcFontBox.left, -otm->otmrcFontBox.top,
                            otm->otmrcFontBox.right - otm->otmrcFontBox.left,
                            otm->otmrcFontBox.top - otm->otmrcFontBox.bottom);
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 441a8c8..d0f71ae 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -404,12 +404,6 @@ void QTextControlPrivate::init(Qt::TextFormat format, const QString &text, QText
     Q_Q(QTextControl);
     setContent(format, text, document);
 
-    QWidget *parentWidget = qobject_cast<QWidget*>(parent);
-    if (parentWidget) {
-        QTextOption opt = doc->defaultTextOption();
-        opt.setTextDirection(parentWidget->layoutDirection());
-        doc->setDefaultTextOption(opt);
-    }
     doc->setUndoRedoEnabled(interactionFlags & Qt::TextEditable);
     q->setCursorWidth(-1);
 }
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index 21dd127..b857e94 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -1089,6 +1089,8 @@ void QComboBoxPrivate::updateViewContainerPaletteAndOpacity()
         container->setPalette(q->palette());
         container->setWindowOpacity(1.0);
     }
+    if (lineEdit)
+        lineEdit->setPalette(q->palette());
 }
 
 /*!
diff --git a/src/gui/widgets/qlabel.cpp b/src/gui/widgets/qlabel.cpp
index f5393a9..15e2ff3 100644
--- a/src/gui/widgets/qlabel.cpp
+++ b/src/gui/widgets/qlabel.cpp
@@ -635,7 +635,7 @@ QSize QLabelPrivate::sizeForWidth(int w) const
         br = movie->currentPixmap().rect();
 #endif
     else if (isTextLabel) {
-        int align = QStyle::visualAlignment(q->layoutDirection(), QFlag(this->align));
+        int align = QStyle::visualAlignment(textDirection(), QFlag(this->align));
         // Add indentation
         int m = indent;
 
@@ -1059,7 +1059,8 @@ void QLabel::paintEvent(QPaintEvent *)
     drawFrame(&painter);
     QRect cr = contentsRect();
     cr.adjust(d->margin, d->margin, -d->margin, -d->margin);
-    int align = QStyle::visualAlignment(layoutDirection(), QFlag(d->align));
+    int align = QStyle::visualAlignment(d->isTextLabel ? d->textDirection()
+                                                       : layoutDirection(), QFlag(d->align));
 
 #ifndef QT_NO_MOVIE
     if (d->movie) {
@@ -1119,7 +1120,8 @@ void QLabel::paintEvent(QPaintEvent *)
             d->control->drawContents(&painter, QRectF(), this);
             painter.restore();
         } else {
-            int flags = align;
+            int flags = align | (d->textDirection() == Qt::LeftToRight ? Qt::TextForceLeftToRight
+                                                                       : Qt::TextForceRightToLeft);
             if (d->hasShortcut) {
                 flags |= Qt::TextShowMnemonic;
                 if (!style->styleHint(QStyle::SH_UnderlineShortcut, &opt, this))
@@ -1447,10 +1449,6 @@ void QLabel::changeEvent(QEvent *ev)
         d->control->setPalette(palette());
     } else if (ev->type() == QEvent::ContentsRectChange) {
         d->updateLabel();
-    } else if (ev->type() == QEvent::LayoutDirectionChange) {
-        if (d->isTextLabel && d->control) {
-            d->sendControlEvent(ev);
-        }
     }
     QFrame::changeEvent(ev);
 }
@@ -1486,6 +1484,15 @@ void QLabel::setScaledContents(bool enable)
     update(contentsRect());
 }
 
+Qt::LayoutDirection QLabelPrivate::textDirection() const
+{
+    if (control) {
+        QTextOption opt = control->document()->defaultTextOption();
+        return opt.textDirection();
+    }
+
+    return text.isRightToLeft() ? Qt::RightToLeft : Qt::LeftToRight;
+}
 
 /*!
     \fn void QLabel::setAlignment(Qt::AlignmentFlag flag)
@@ -1503,7 +1510,8 @@ QRect QLabelPrivate::documentRect() const
     Q_ASSERT_X(isTextLabel, "documentRect", "document rect called for label that is not a text label!");
     QRect cr = q->contentsRect();
     cr.adjust(margin, margin, -margin, -margin);
-    const int align = QStyle::visualAlignment(q->layoutDirection(), QFlag(this->align));
+    const int align = QStyle::visualAlignment(isTextLabel ? textDirection()
+                                                          : q->layoutDirection(), QFlag(this->align));
     int m = indent;
     if (m < 0 && q->frameWidth()) // no indent, but we do have a frame
         m = q->fontMetrics().width(QLatin1Char('x')) / 2 - margin;
@@ -1564,7 +1572,6 @@ void QLabelPrivate::ensureTextLayouted() const
     if (!textLayoutDirty)
         return;
     ensureTextPopulated();
-    Q_Q(const QLabel);
     if (control) {
         QTextDocument *doc = control->document();
         QTextOption opt = doc->defaultTextOption();
@@ -1576,8 +1583,6 @@ void QLabelPrivate::ensureTextLayouted() const
         else
             opt.setWrapMode(QTextOption::ManualWrap);
 
-        opt.setTextDirection(q->layoutDirection());
-
         doc->setDefaultTextOption(opt);
 
         QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
diff --git a/src/gui/widgets/qlabel_p.h b/src/gui/widgets/qlabel_p.h
index fba7224..83624c7 100644
--- a/src/gui/widgets/qlabel_p.h
+++ b/src/gui/widgets/qlabel_p.h
@@ -132,6 +132,7 @@ public:
     QRectF layoutRect() const;
     QRect documentRect() const;
     QPoint layoutPoint(const QPoint& p) const;
+    Qt::LayoutDirection textDirection() const;
 #ifndef QT_NO_CONTEXTMENU
     QMenu *createStandardContextMenu(const QPoint &pos);
 #endif
diff --git a/src/gui/widgets/qsplashscreen.cpp b/src/gui/widgets/qsplashscreen.cpp
index 2b6bfeb..cc41daa 100644
--- a/src/gui/widgets/qsplashscreen.cpp
+++ b/src/gui/widgets/qsplashscreen.cpp
@@ -183,6 +183,13 @@ void QSplashScreen::repaint()
     Draws the \a message text onto the splash screen with color \a
     color and aligns the text according to the flags in \a alignment.
 
+    To make sure the splash screen is repainted immediately, you can
+    call \l{QCoreApplication}'s
+    \l{QCoreApplication::}{processEvents()} after the call to
+    showMessage(). You usually want this to make sure that the message
+    is kept up to date with what your application is doing (e.g.,
+    loading files).
+
     \sa Qt::Alignment, clearMessage()
 */
 void QSplashScreen::showMessage(const QString &message, int alignment,