Merge branch '4.7' of git@scm.dev.nokia.troll.no:qt/qt-s60-public into 4.7

31 files changed, 303 insertions, 127 deletions

diff --git a/src/gui/inputmethod/qximinputcontext_x11.cpp b/src/gui/inputmethod/qximinputcontext_x11.cpp
index d048b36..ed5aa23 100644
--- a/src/gui/inputmethod/qximinputcontext_x11.cpp
+++ b/src/gui/inputmethod/qximinputcontext_x11.cpp
@@ -346,10 +346,7 @@ static XFontSet getFontSet(const QFont &f)
 
 extern bool qt_use_rtl_extensions; // from qapplication_x11.cpp
 #ifndef QT_NO_XKB
-extern void q_getLocaleAndDirection(QLocale *locale,
-                                  Qt::LayoutDirection *direction,
-                                  const QByteArray &layoutName,
-                                  const QByteArray &variantName);
+extern QLocale q_getKeyboardLocale(const QByteArray &layoutName, const QByteArray &variantName);
 #endif
 
 QXIMInputContext::QXIMInputContext()
@@ -407,17 +404,12 @@ QXIMInputContext::QXIMInputContext()
             QList<QByteArray> layoutNames = QByteArray::fromRawData(names[2], qstrlen(names[2])).split(',');
             QList<QByteArray> variantNames = QByteArray::fromRawData(names[3], qstrlen(names[3])).split(',');
             for (int i = 0; i < qMin(layoutNames.count(), variantNames.count()); ++i  ) {
-                QLocale keyboardInputLocale;
-                Qt::LayoutDirection keyboardInputDirection;
                 QByteArray variantName = variantNames.at(i);
                 const int dashPos = variantName.indexOf("-");
                 if (dashPos >= 0)
                     variantName.truncate(dashPos);
-                q_getLocaleAndDirection(&keyboardInputLocale,
-                                      &keyboardInputDirection,
-                                      layoutNames.at(i),
-                                      variantName);
-                if (keyboardInputDirection == Qt::RightToLeft)
+                QLocale keyboardInputLocale = q_getKeyboardLocale(layoutNames.at(i), variantName);
+                if (keyboardInputLocale.textDirection() == Qt::RightToLeft)
                     qt_use_rtl_extensions = true;
             }
         }
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index c9a3e8b..52767b8 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -146,7 +146,7 @@ static void initResources()
 
 QT_BEGIN_NAMESPACE
 
-Q_DECL_IMPORT extern void qt_call_post_routines();
+Q_CORE_EXPORT void qt_call_post_routines();
 
 int QApplicationPrivate::app_compile_version = 0x040000; //we don't know exactly, but it's at least 4.0.0
 
@@ -3544,7 +3544,7 @@ int QApplication::startDragDistance()
 
 void QApplication::setLayoutDirection(Qt::LayoutDirection direction)
 {
-    if (layout_direction == direction)
+    if (layout_direction == direction || direction == Qt::LayoutDirectionAuto)
         return;
 
     layout_direction = direction;
diff --git a/src/gui/kernel/qkeymapper_mac.cpp b/src/gui/kernel/qkeymapper_mac.cpp
index a7145d4..873b8f9 100644
--- a/src/gui/kernel/qkeymapper_mac.cpp
+++ b/src/gui/kernel/qkeymapper_mac.cpp
@@ -672,23 +672,7 @@ QKeyMapperPrivate::updateKeyboard()
 #endif
     if (iso639Code) {
         keyboardInputLocale = QLocale(QCFString::toQString(iso639Code));
-        QString monday = keyboardInputLocale.dayName(1);
-        bool rtl = false;
-        for (int i = 0; i < monday.length(); ++i) {
-            switch (monday.at(i).direction()) {
-            default:
-                break;
-            case QChar::DirR:
-            case QChar::DirAL:
-            case QChar::DirRLE:
-            case QChar::DirRLO:
-                rtl = true;
-                break;
-            }
-            if (rtl)
-                break;
-        }
-        keyboardInputDirection = rtl ? Qt::RightToLeft : Qt::LeftToRight;
+        keyboardInputDirection = keyboardInputLocale.textDirection();
     } else {
         keyboardInputLocale = QLocale::c();
         keyboardInputDirection = Qt::LeftToRight;
diff --git a/src/gui/kernel/qkeymapper_qws.cpp b/src/gui/kernel/qkeymapper_qws.cpp
index 5b6b1c4..63bb46b 100644
--- a/src/gui/kernel/qkeymapper_qws.cpp
+++ b/src/gui/kernel/qkeymapper_qws.cpp
@@ -52,7 +52,7 @@ QT_USE_NAMESPACE
 QKeyMapperPrivate::QKeyMapperPrivate()
 {
     keyboardInputLocale = QLocale::system();
-    keyboardInputDirection = Qt::RightToLeft;
+    keyboardInputDirection = keyboardInputLocale.textDirection();
 }
 
 QKeyMapperPrivate::~QKeyMapperPrivate()
diff --git a/src/gui/kernel/qkeymapper_x11.cpp b/src/gui/kernel/qkeymapper_x11.cpp
index 807959c..825edbc 100644
--- a/src/gui/kernel/qkeymapper_x11.cpp
+++ b/src/gui/kernel/qkeymapper_x11.cpp
@@ -80,22 +80,15 @@ QT_BEGIN_NAMESPACE
       (((KeySym)(keysym) >= 0x11000000) && ((KeySym)(keysym) <= 0x1100FFFF))
 #endif
 
-void q_getLocaleAndDirection(QLocale *locale,
-                                  Qt::LayoutDirection *direction,
-                                  const QByteArray &layoutName,
-                                  const QByteArray &variantName)
+QLocale q_getKeyboardLocale(const QByteArray &layoutName, const QByteArray &variantName)
 {
     int i = 0;
     while (xkbLayoutData[i].layout != 0) {
-        if (layoutName == xkbLayoutData[i].layout && variantName == xkbLayoutData[i].variant) {
-            *locale = QLocale(xkbLayoutData[i].language, xkbLayoutData[i].country);
-            *direction = xkbLayoutData[i].direction;
-            return;
-        }
+        if (layoutName == xkbLayoutData[i].layout && variantName == xkbLayoutData[i].variant)
+            return QLocale(xkbLayoutData[i].language, xkbLayoutData[i].country);
         ++i;
     }
-    *locale = QLocale::c();
-    *direction = Qt::LeftToRight;
+    return QLocale::c();
 }
 #endif // QT_NO_XKB
 
@@ -523,10 +516,8 @@ void QKeyMapperPrivate::clearMappings()
         // if (keyboardLayoutName.isEmpty())
         //     qWarning("Qt: unable to determine keyboard layout, please talk to qt-bugs@trolltech.com"); ?
 
-        q_getLocaleAndDirection(&keyboardInputLocale,
-                              &keyboardInputDirection,
-                              layoutName,
-                              variantName);
+        keyboardInputLocale = q_getKeyboardLocale(layoutName, variantName);
+        keyboardInputDirection = keyboardInputLocale.textDirection();
 
 #if 0
         qDebug() << "keyboard input locale ="
diff --git a/src/gui/kernel/qkeymapper_x11_p.cpp b/src/gui/kernel/qkeymapper_x11_p.cpp
index 20fcc86..6308973 100644
--- a/src/gui/kernel/qkeymapper_x11_p.cpp
+++ b/src/gui/kernel/qkeymapper_x11_p.cpp
@@ -271,13 +271,13 @@ static struct {
     // name = is:nodeadkeys, description = Iceland
     { "is", "nodeadkeys", Qt::LeftToRight, QLocale::Icelandic, QLocale::Iceland },
     // name = il, description = Israel
-    { "il", "", Qt::LeftToRight, QLocale::Hebrew, QLocale::Israel },
+    { "il", "", Qt::RightToLeft, QLocale::Hebrew, QLocale::Israel },
     // name = il:lyx, description = Israel
-    { "il", "lyx", Qt::LeftToRight, QLocale::Hebrew, QLocale::Israel },
+    { "il", "lyx", Qt::RightToLeft, QLocale::Hebrew, QLocale::Israel },
     // name = il:si1452, description = Israel
-    { "il", "si1452", Qt::LeftToRight, QLocale::Hebrew, QLocale::Israel },
+    { "il", "si1452", Qt::RightToLeft, QLocale::Hebrew, QLocale::Israel },
     // name = il:phonetic, description = Israel
-    { "il", "phonetic", Qt::LeftToRight, QLocale::Hebrew, QLocale::Israel },
+    { "il", "phonetic", Qt::RightToLeft, QLocale::Hebrew, QLocale::Israel },
     // name = it, description = Italy
     { "it", "", Qt::LeftToRight, QLocale::Italian, QLocale::Italy },
     // name = it:nodeadkeys, description = Italy
@@ -419,11 +419,11 @@ static struct {
     // name = ch:fr_sundeadkeys, description = Switzerland
     { "ch", "fr_sundeadkeys", Qt::LeftToRight, QLocale::French, QLocale::Switzerland },
     // name = sy, description = Syria
-    { "sy", "", Qt::RightToLeft, QLocale::Arabic, QLocale::SyrianArabRepublic },
+    { "sy", "", Qt::RightToLeft, QLocale::Syriac, QLocale::SyrianArabRepublic },
     // name = sy:syc, description = Syria
-    { "sy", "syc", Qt::RightToLeft, QLocale::Arabic, QLocale::SyrianArabRepublic },
+    { "sy", "syc", Qt::RightToLeft, QLocale::Syriac, QLocale::SyrianArabRepublic },
     // name = sy:syc_phonetic, description = Syria
-    { "sy", "syc_phonetic", Qt::RightToLeft, QLocale::Arabic, QLocale::SyrianArabRepublic },
+    { "sy", "syc_phonetic", Qt::RightToLeft, QLocale::Syriac, QLocale::SyrianArabRepublic },
     // name = tj, description = Tajikistan
     { "tj", "", Qt::LeftToRight, QLocale::Tajik, QLocale::Tajikistan },
     // name = lk, description = Sri Lanka
diff --git a/src/gui/kernel/qwhatsthis.cpp b/src/gui/kernel/qwhatsthis.cpp
index 6181b62..ff4641e 100644
--- a/src/gui/kernel/qwhatsthis.cpp
+++ b/src/gui/kernel/qwhatsthis.cpp
@@ -143,7 +143,7 @@ QT_BEGIN_NAMESPACE
     \sa QToolTip
 */
 
-Q_DECL_IMPORT extern void qDeleteInEventHandler(QObject *o);
+Q_CORE_EXPORT void qDeleteInEventHandler(QObject *o);
 
 class QWhatsThat : public QWidget
 {
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 895c85d..492954a 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -67,6 +67,7 @@
 # include "qt_mac_p.h"
 # include "qt_cocoa_helpers_mac_p.h"
 # include "qmainwindow.h"
+# include "qtoolbar.h"
 #endif
 #if defined(Q_WS_QWS)
 # include "qwsdisplay_qws.h"
@@ -4828,6 +4829,11 @@ void QWidget::setLayoutDirection(Qt::LayoutDirection direction)
 {
     Q_D(QWidget);
 
+    if (direction == Qt::LayoutDirectionAuto) {
+        unsetLayoutDirection();
+        return;
+    }
+
     setAttribute(Qt::WA_SetLayoutDirection);
     d->setLayoutDirection_helper(direction);
 }
@@ -9711,46 +9717,58 @@ QWidget *QWidget::childAt(const QPoint &p) const
 
 QWidget *QWidgetPrivate::childAt_helper(const QPoint &p, bool ignoreChildrenInDestructor) const
 {
-    Q_Q(const QWidget);
+    if (children.isEmpty())
+        return 0;
+
 #ifdef Q_WS_MAC
+    Q_Q(const QWidget);
+    // Unified tool bars on the Mac require special handling since they live outside
+    // QMainWindow's geometry(). See commit: 35667fd45ada49269a5987c235fdedfc43e92bb8
     bool includeFrame = q->isWindow() && qobject_cast<const QMainWindow *>(q)
                         && static_cast<const QMainWindow *>(q)->unifiedTitleAndToolBarOnMac();
+    if (includeFrame)
+        return childAtRecursiveHelper(p, ignoreChildrenInDestructor, includeFrame);
 #endif
 
-    if (
-#ifdef Q_WS_MAC
-            !includeFrame &&
-#endif
-            !q->rect().contains(p))
+    if (!pointInsideRectAndMask(p))
         return 0;
+    return childAtRecursiveHelper(p, ignoreChildrenInDestructor);
+}
 
-    for (int i = children.size(); i > 0 ;) {
-        --i;
-        QWidget *w = qobject_cast<QWidget *>(children.at(i));
-        if (w && !w->isWindow() && !w->isHidden()
-                && (w->geometry().contains(p)
-#ifdef Q_WS_MAC
-                    || (includeFrame && w->geometry().contains(qt_mac_nativeMapFromParent(w, p)))
+QWidget *QWidgetPrivate::childAtRecursiveHelper(const QPoint &p, bool ignoreChildrenInDestructor, bool includeFrame) const
+{
+#ifndef Q_WS_MAC
+    Q_UNUSED(includeFrame);
 #endif
-               )) {
-            if (ignoreChildrenInDestructor && w->data->in_destructor)
-                continue;
-            if (w->testAttribute(Qt::WA_TransparentForMouseEvents))
-                continue;
-            QPoint childPoint = w->mapFromParent(p);
-#ifdef Q_WS_MAC
-            if (includeFrame && !w->geometry().contains(p))
-                childPoint = qt_mac_nativeMapFromParent(w, p);
-#endif
-            if (QWidget *t = w->d_func()->childAt_helper(childPoint, ignoreChildrenInDestructor))
-                return t;
-            // if WMouseNoMask is set the widget mask is ignored, if
-            // the widget has no mask then the WMouseNoMask flag has no
-            // effect
-            if (w->testAttribute(Qt::WA_MouseNoMask) || w->mask().contains(childPoint)
-                || w->mask().isEmpty())
-                return w;
+    for (int i = children.size() - 1; i >= 0; --i) {
+        QWidget *child = qobject_cast<QWidget *>(children.at(i));
+        if (!child || child->isWindow() || child->isHidden() || child->testAttribute(Qt::WA_TransparentForMouseEvents)
+            || (ignoreChildrenInDestructor && child->data->in_destructor)) {
+            continue;
         }
+
+        // Map the point 'p' from parent coordinates to child coordinates.
+        QPoint childPoint = p;
+#ifdef Q_WS_MAC
+        // 'includeFrame' is true if the child's parent is a top-level QMainWindow with an unified tool bar.
+        // An unified tool bar on the Mac lives outside QMainWindow's geometry(), so a normal
+        // QWidget::mapFromParent won't do the trick.
+        if (includeFrame && qobject_cast<QToolBar *>(child))
+            childPoint = qt_mac_nativeMapFromParent(child, p);
+        else
+#endif
+        childPoint -= child->data->crect.topLeft();
+
+        // Check if the point hits the child.
+        if (!child->d_func()->pointInsideRectAndMask(childPoint))
+            continue;
+
+        // Do the same for the child's descendants.
+        if (QWidget *w = child->d_func()->childAtRecursiveHelper(childPoint, ignoreChildrenInDestructor))
+            return w;
+
+        // We have found our target; namely the child at position 'p'.
+        return child;
     }
     return 0;
 }
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 1928599..280712a 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -2688,6 +2688,7 @@ QWidget::macCGHandle() const
 void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
+    d->aboutToDestroy();
     if (!isWindow() && parentWidget())
         parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
     d->deactivateWidgetCleanup();
@@ -3994,10 +3995,10 @@ static void qt_mac_update_widget_position(QWidget *q, QRect oldRect, QRect newRe
         (oldRect.isValid() == false || newRect.isValid() == false)  ||
 
         // the position update is a part of a drag-and-drop operation
-        QDragManager::self()->object || 
-        
-        // we are on Panther (no HIViewSetNeedsDisplayInRect) 
-        QSysInfo::MacintoshVersion < QSysInfo::MV_10_4 
+        QDragManager::self()->object ||
+
+        // we are on Panther (no HIViewSetNeedsDisplayInRect)
+        QSysInfo::MacintoshVersion < QSysInfo::MV_10_4
     ){
         HIViewSetFrame(view, &bounds);
         return;
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 49a2dc8..587d7fb 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -542,13 +542,20 @@ public:
     bool setMinimumSize_helper(int &minw, int &minh);
     bool setMaximumSize_helper(int &maxw, int &maxh);
     void setConstraints_sys();
+    bool pointInsideRectAndMask(const QPoint &) const;
     QWidget *childAt_helper(const QPoint &, bool) const;
+    QWidget *childAtRecursiveHelper(const QPoint &p, bool, bool includeFrame = false) const;
     void updateGeometry_helper(bool forceUpdate);
 
     void getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const;
     void setLayoutItemMargins(int left, int top, int right, int bottom);
     void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0);
 
+    // aboutToDestroy() is called just before the contents of
+    // QWidget::destroy() is executed. It's used to signal QWidget
+    // sub-classes that their internals are about to be released.
+    virtual void aboutToDestroy() {}
+
     QInputContext *inputContext() const;
     inline QWidget *effectiveFocusWidget() {
         QWidget *w = q_func();
@@ -968,6 +975,13 @@ inline void QWidgetPrivate::setSharedPainter(QPainter *painter)
     x->sharedPainter = painter;
 }
 
+inline bool QWidgetPrivate::pointInsideRectAndMask(const QPoint &p) const
+{
+    Q_Q(const QWidget);
+    return q->rect().contains(p) && (!extra || !extra->hasMask || q->testAttribute(Qt::WA_MouseNoMask)
+                                     || extra->mask.contains(p));
+}
+
 inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
 {
     Q_Q(const QWidget);
diff --git a/src/gui/kernel/qwidget_qws.cpp b/src/gui/kernel/qwidget_qws.cpp
index b827e8b..3145136 100644
--- a/src/gui/kernel/qwidget_qws.cpp
+++ b/src/gui/kernel/qwidget_qws.cpp
@@ -256,7 +256,7 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool /*destro
 void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
-
+    d->aboutToDestroy();
     if (!isWindow() && parentWidget())
         parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
 
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 86b858d..68f9470 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -1177,6 +1177,7 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
 void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
+    d->aboutToDestroy();
     if (!isWindow() && parentWidget())
         parentWidget()->d_func()->invalidateBuffer(geometry());
     d->deactivateWidgetCleanup();
diff --git a/src/gui/kernel/qwidget_win.cpp b/src/gui/kernel/qwidget_win.cpp
index a7e66bf..9c65aa0 100644
--- a/src/gui/kernel/qwidget_win.cpp
+++ b/src/gui/kernel/qwidget_win.cpp
@@ -544,6 +544,7 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO
 void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
+    d->aboutToDestroy();
     if (!isWindow() && parentWidget())
         parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
     d->deactivateWidgetCleanup();
diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 43f510c..e01489f 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -1023,6 +1023,7 @@ bool QWidgetPrivate::isBackgroundInherited() const
 void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
 {
     Q_D(QWidget);
+    d->aboutToDestroy();
     if (!isWindow() && parentWidget())
         parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
     d->deactivateWidgetCleanup();
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 48974e8..08e14fb 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -68,6 +68,7 @@
 //   #include <private/qrasterizer_p.h>
 #include <private/qimage_p.h>
 #include <private/qstatictext_p.h>
+#include "qmemrotate_p.h"
 
 #include "qpaintengine_raster_p.h"
 //   #include "qbezier_p.h"
@@ -2521,6 +2522,58 @@ QRectF qt_mapRect_non_normalizing(const QRectF &r, const QTransform &t)
     return QRectF(r.topLeft() * t, r.bottomRight() * t);
 }
 
+namespace {
+    enum RotationType {
+        Rotation90,
+        Rotation180,
+        Rotation270,
+        NoRotation
+    };
+
+    inline RotationType qRotationType(const QTransform &transform)
+    {
+        QTransform::TransformationType type = transform.type();
+
+        if (type > QTransform::TxRotate)
+            return NoRotation;
+
+        if (type == QTransform::TxRotate && qFuzzyIsNull(transform.m11()) && qFuzzyCompare(transform.m12(), qreal(-1))
+            && qFuzzyCompare(transform.m21(), qreal(1)) && qFuzzyIsNull(transform.m22()))
+            return Rotation90;
+
+        if (type == QTransform::TxScale && qFuzzyCompare(transform.m11(), qreal(-1)) && qFuzzyIsNull(transform.m12())
+            && qFuzzyIsNull(transform.m21()) && qFuzzyCompare(transform.m22(), qreal(-1)))
+            return Rotation180;
+
+        if (type == QTransform::TxRotate && qFuzzyIsNull(transform.m11()) && qFuzzyCompare(transform.m12(), qreal(1))
+            && qFuzzyCompare(transform.m21(), qreal(-1)) && qFuzzyIsNull(transform.m22()))
+            return Rotation270;
+
+        return NoRotation;
+    }
+
+    template <typename T> void memRotate(RotationType type, const T *srcBase, int w, int h, int sbpl, T *dstBase, int dbpl)
+    {
+        switch (type) {
+        case Rotation90:
+            qt_memrotate90(srcBase, w, h, sbpl, dstBase, dbpl);
+            break;
+        case Rotation180:
+            qt_memrotate180(srcBase, w, h, sbpl, dstBase, dbpl);
+            break;
+        case Rotation270:
+            qt_memrotate270(srcBase, w, h, sbpl, dstBase, dbpl);
+            break;
+        case NoRotation:
+            break;
+        }
+    }
+
+    inline bool isPixelAligned(const QRectF &rect) {
+        return QRectF(rect.toRect()) == rect;
+    }
+}
+
 /*!
     \reimp
 */
@@ -2582,6 +2635,58 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
 
     const QClipData *clip = d->clip();
 
+    if (s->matrix.type() > QTransform::TxTranslate
+        && !stretch_sr
+        && (!clip || clip->hasRectClip)
+        && s->intOpacity == 256
+        && (d->rasterBuffer->compositionMode == QPainter::CompositionMode_SourceOver
+            || d->rasterBuffer->compositionMode == QPainter::CompositionMode_Source)
+        && d->rasterBuffer->format == img.format()
+        && (d->rasterBuffer->format == QImage::Format_RGB16
+            || d->rasterBuffer->format == QImage::Format_RGB32
+            || (d->rasterBuffer->format == QImage::Format_ARGB32_Premultiplied
+                && d->rasterBuffer->compositionMode == QPainter::CompositionMode_Source)))
+    {
+        RotationType rotationType = qRotationType(s->matrix);
+
+        if (rotationType != NoRotation && img.rect().contains(sr.toAlignedRect())) {
+            QRectF transformedTargetRect = s->matrix.mapRect(r);
+
+            if ((!(s->renderHints & QPainter::SmoothPixmapTransform) && !(s->renderHints & QPainter::Antialiasing))
+                || (isPixelAligned(transformedTargetRect) && isPixelAligned(sr)))
+            {
+                QRect clippedTransformedTargetRect = transformedTargetRect.toRect().intersected(clip ? clip->clipRect : d->deviceRect);
+                if (clippedTransformedTargetRect.isNull())
+                    return;
+
+                QRectF clippedTargetRect = s->matrix.inverted().mapRect(QRectF(clippedTransformedTargetRect));
+
+                QRect clippedSourceRect
+                    = QRectF(sr.x() + clippedTargetRect.x() - r.x(), sr.y() + clippedTargetRect.y() - r.y(),
+                            clippedTargetRect.width(), clippedTargetRect.height()).toRect();
+
+                uint dbpl = d->rasterBuffer->bytesPerLine();
+                uint sbpl = img.bytesPerLine();
+
+                uchar *dst = d->rasterBuffer->buffer();
+                uint bpp = img.depth() >> 3;
+
+                const uchar *srcBase = img.bits() + clippedSourceRect.y() * sbpl + clippedSourceRect.x() * bpp;
+                uchar *dstBase = dst + clippedTransformedTargetRect.y() * dbpl + clippedTransformedTargetRect.x() * bpp;
+
+                uint cw = clippedSourceRect.width();
+                uint ch = clippedSourceRect.height();
+
+                if (d->rasterBuffer->format == QImage::Format_RGB16)
+                    memRotate(rotationType, (quint16 *)srcBase, cw, ch, sbpl, (quint16 *)dstBase, dbpl);
+                else
+                    memRotate(rotationType, (quint32 *)srcBase, cw, ch, sbpl, (quint32 *)dstBase, dbpl);
+
+                return;
+            }
+        }
+    }
+
     if (s->matrix.type() > QTransform::TxTranslate || stretch_sr) {
 
         if (s->flags.fast_images) {
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 97f754d..e8c4599 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -1564,7 +1564,6 @@ void QPainter::initFrom(const QWidget *widget)
         d->engine->setDirty(QPaintEngine::DirtyBrush);
         d->engine->setDirty(QPaintEngine::DirtyFont);
     }
-    d->state->layoutDirection = widget->layoutDirection();
 }
 
 
@@ -1874,7 +1873,7 @@ bool QPainter::begin(QPaintDevice *pd)
         QWidget *widget = static_cast<QWidget *>(d->original_device);
         initFrom(widget);
     } else {
-        d->state->layoutDirection = QApplication::layoutDirection();
+        d->state->layoutDirection = Qt::LayoutDirectionAuto;
         // make sure we have a font compatible with the paintdevice
         d->state->deviceFont = d->state->font = QFont(d->state->deviceFont, device());
     }
@@ -8056,7 +8055,10 @@ start_lengthVariant:
     Sets the layout direction used by the painter when drawing text,
     to the specified \a direction.
 
-    \sa layoutDirection(), drawText(), {QPainter#Settings}{Settings}
+    The default is Qt::LayoutDirectionAuto, which will implicitly determine the
+    direction from the text drawn.
+
+    \sa QTextOption::setTextDirection(), layoutDirection(), drawText(), {QPainter#Settings}{Settings}
 */
 void QPainter::setLayoutDirection(Qt::LayoutDirection direction)
 {
@@ -8068,12 +8070,12 @@ void QPainter::setLayoutDirection(Qt::LayoutDirection direction)
 /*!
     Returns the layout direction used by the painter when drawing text.
 
-    \sa setLayoutDirection(), drawText(), {QPainter#Settings}{Settings}
+    \sa QTextOption::textDirection(), setLayoutDirection(), drawText(), {QPainter#Settings}{Settings}
 */
 Qt::LayoutDirection QPainter::layoutDirection() const
 {
     Q_D(const QPainter);
-    return d->state ? d->state->layoutDirection : Qt::LeftToRight;
+    return d->state ? d->state->layoutDirection : Qt::LayoutDirectionAuto;
 }
 
 QPainterState::QPainterState(const QPainterState *s)
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index 423cce9..47b7758 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -1626,7 +1626,7 @@ static QPainterPath mapProjective(const QTransform &transform, const QPainterPat
 QPainterPath QTransform::map(const QPainterPath &path) const
 {
     TransformationType t = inline_type();
-    if (t == TxNone || path.isEmpty())
+    if (t == TxNone || path.elementCount() == 0)
         return path;
 
     if (t >= TxProject)
diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp
index d6ac3aa..23849bc 100644
--- a/src/gui/text/qtextcursor.cpp
+++ b/src/gui/text/qtextcursor.cpp
@@ -362,7 +362,7 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor
     QTextBlock blockIt = block();
 
     if (op >= QTextCursor::Left && op <= QTextCursor::WordRight
-        && blockIt.blockFormat().layoutDirection() == Qt::RightToLeft) {
+        && blockIt.textDirection() == Qt::RightToLeft) {
         if (op == QTextCursor::Left)
             op = QTextCursor::NextCharacter;
         else if (op == QTextCursor::Right)
diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index c7a9756..48aee8f 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -2496,13 +2496,10 @@ void QTextHtmlExporter::emitBlockAttributes(const QTextBlock &block)
     QTextBlockFormat format = block.blockFormat();
     emitAlignment(format.alignment());
 
-    Qt::LayoutDirection dir = format.layoutDirection();
-    if (dir == Qt::LeftToRight) {
-        // assume default to not bloat the html too much
-        // html += QLatin1String(" dir='ltr'");
-    } else {
+    // assume default to not bloat the html too much
+    // html += QLatin1String(" dir='ltr'");
+    if (block.textDirection() == Qt::RightToLeft)
         html += QLatin1String(" dir='rtl'");
-    }
 
     QLatin1String style(" style=\"");
     html += style;
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index eeb66ce..ff14490 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -1369,9 +1369,7 @@ void QTextDocumentLayoutPrivate::drawListItem(const QPointF &offset, QPainter *p
     QTextLine firstLine = layout->lineAt(0);
     Q_ASSERT(firstLine.isValid());
     QPointF pos = (offset + layout->position()).toPoint();
-    Qt::LayoutDirection dir = docPrivate->defaultTextOption.textDirection();
-    if (blockFormat.hasProperty(QTextFormat::LayoutDirection))
-        dir = blockFormat.layoutDirection();
+    Qt::LayoutDirection dir = bl.textDirection();
     {
         QRectF textRect = firstLine.naturalTextRect();
         pos += textRect.topLeft().toPoint();
@@ -2530,9 +2528,7 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
 
     //QTextFrameData *fd = data(layoutStruct->frame);
 
-    Qt::LayoutDirection dir = docPrivate->defaultTextOption.textDirection();
-    if (blockFormat.hasProperty(QTextFormat::LayoutDirection))
-        dir = blockFormat.layoutDirection();
+    Qt::LayoutDirection dir = bl.textDirection();
 
     QFixed extraMargin;
     if (docPrivate->defaultTextOption.flags() & QTextOption::AddSpaceForLineAndParagraphSeparators) {
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 3486264..ac1fffd 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -1404,7 +1404,10 @@ void QTextEngine::itemize() const
 #else
     bool ignore = ignoreBidi;
 #endif
-    if (!ignore && option.textDirection() == Qt::LeftToRight) {
+
+    bool rtl = isRightToLeft();
+
+    if (!ignore && !rtl) {
         ignore = true;
         const QChar *start = layoutData->string.unicode();
         const QChar * const end = start + length;
@@ -1420,7 +1423,7 @@ void QTextEngine::itemize() const
     QVarLengthArray<QScriptAnalysis, 4096> scriptAnalysis(length);
     QScriptAnalysis *analysis = scriptAnalysis.data();
 
-    QBidiControl control(option.textDirection() == Qt::RightToLeft);
+    QBidiControl control(rtl);
 
     if (ignore) {
         memset(analysis, 0, length*sizeof(QScriptAnalysis));
@@ -1515,6 +1518,23 @@ void QTextEngine::itemize() const
     resolveAdditionalFormats();
 }
 
+bool QTextEngine::isRightToLeft() const
+{
+    switch (option.textDirection()) {
+    case Qt::LeftToRight:
+        return false;
+    case Qt::RightToLeft:
+        return true;
+    default:
+        break;
+    }
+    // this places the cursor in the right position depending on the keyboard layout
+    if (layoutData->string.isEmpty())
+        return QApplication::keyboardInputDirection() == Qt::RightToLeft;
+    return layoutData->string.isRightToLeft();
+}
+
+
 int QTextEngine::findItem(int strPos) const
 {
     itemize();
@@ -2511,7 +2531,7 @@ QFixed QTextEngine::calculateTabWidth(int item, QFixed x) const
 
     QList<QTextOption::Tab> tabArray = option.tabs();
     if (!tabArray.isEmpty()) {
-        if (option.textDirection() == Qt::RightToLeft) { // rebase the tabArray positions.
+        if (isRightToLeft()) { // rebase the tabArray positions.
             QList<QTextOption::Tab> newTabs;
             QList<QTextOption::Tab>::Iterator iter = tabArray.begin();
             while(iter != tabArray.end()) {
diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h
index 00b1392..908a0ec 100644
--- a/src/gui/text/qtextengine_p.h
+++ b/src/gui/text/qtextengine_p.h
@@ -458,6 +458,7 @@ public:
     void validate() const;
     void itemize() const;
 
+    bool isRightToLeft() const;
     static void bidiReorder(int numRuns, const quint8 *levels, int *visualOrder);
 
     const HB_CharAttributes *attributes() const;
diff --git a/src/gui/text/qtextformat.cpp b/src/gui/text/qtextformat.cpp
index 140cf43..46db253 100644
--- a/src/gui/text/qtextformat.cpp
+++ b/src/gui/text/qtextformat.cpp
@@ -900,11 +900,14 @@ bool QTextFormat::boolProperty(int propertyId) const
 */
 int QTextFormat::intProperty(int propertyId) const
 {
+    // required, since the default layout direction has to be LayoutDirectionAuto, which is not integer 0
+    int def = (propertyId == QTextFormat::LayoutDirection) ? int(Qt::LayoutDirectionAuto) : 0;
+
     if (!d)
-        return 0;
+        return def;
     const QVariant prop = d->property(propertyId);
     if (prop.userType() != QVariant::Int)
-        return 0;
+        return def;
     return prop.toInt();
 }
 
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index f5e252c..ddf9411 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -69,7 +69,7 @@ static inline QFixed leadingSpaceWidth(QTextEngine *eng, const QScriptLine &line
     if (!line.hasTrailingSpaces
         || (eng->option.flags() & QTextOption::IncludeTrailingSpaces)
         || !(eng->option.alignment() & Qt::AlignRight)
-        || (eng->option.textDirection() != Qt::RightToLeft))
+        || !eng->isRightToLeft())
         return QFixed();
 
     int pos = line.length;
@@ -86,7 +86,7 @@ static QFixed alignLine(QTextEngine *eng, const QScriptLine &line)
     // if width is QFIXED_MAX that means we used setNumColumns() and that implicitly makes this line left aligned.
     if (!line.justified && line.width != QFIXED_MAX) {
         int align = eng->option.alignment();
-        if (align & Qt::AlignJustify && eng->option.textDirection() == Qt::RightToLeft)
+        if (align & Qt::AlignJustify && eng->isRightToLeft())
             align = Qt::AlignRight;
         if (align & Qt::AlignRight)
             x = line.width - (line.textAdvance + leadingSpaceWidth(eng, line));
@@ -1337,7 +1337,7 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition
     int itm = d->findItem(cursorPosition - 1);
     QFixed base = sl.base();
     QFixed descent = sl.descent;
-    bool rightToLeft = (d->option.textDirection() == Qt::RightToLeft);
+    bool rightToLeft = d->isRightToLeft();
     if (itm >= 0) {
         const QScriptItem &si = d->layoutData->items.at(itm);
         if (si.ascent > 0)
diff --git a/src/gui/text/qtextlist.cpp b/src/gui/text/qtextlist.cpp
index 2986ee7..a0ff520 100644
--- a/src/gui/text/qtextlist.cpp
+++ b/src/gui/text/qtextlist.cpp
@@ -262,7 +262,7 @@ QString QTextList::itemText(const QTextBlock &blockIt) const
         default:
             Q_ASSERT(false);
     }
-    if (blockFormat.layoutDirection() == Qt::RightToLeft)
+    if (blockIt.textDirection() == Qt::RightToLeft)
         return result.prepend(QLatin1Char('.'));
     return result + QLatin1Char('.');
 }
diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 088eb98..f386871 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -1140,6 +1140,49 @@ int QTextBlock::charFormatIndex() const
 }
 
 /*!
+  \since 4.7
+
+  Returns the resolved text direction.
+
+  If the block has no explicit direction set, it will resolve the
+  direction from the blocks content. Returns either Qt::LeftToRight
+  or Qt::RightToLeft.
+
+  \sa QTextBlock::layoutDirection(), QString::isRightToLeft(), Qt::LayoutDirection
+*/
+Qt::LayoutDirection QTextBlock::textDirection() const
+{
+    Qt::LayoutDirection dir = blockFormat().layoutDirection();
+    if (dir != Qt::LayoutDirectionAuto)
+        return dir;
+
+    const QString buffer = p->buffer();
+
+    const int pos = position();
+    QTextDocumentPrivate::FragmentIterator it = p->find(pos);
+    QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1); // -1 to omit the block separator char
+    for (; it != end; ++it) {
+        const QTextFragmentData * const frag = it.value();
+        const QChar *p = buffer.constData() + frag->stringPosition;
+        const QChar * const end = p + frag->size_array[0];
+        while (p < end) {
+            switch(QChar::direction(p->unicode()))
+            {
+            case QChar::DirL:
+                return Qt::LeftToRight;
+            case QChar::DirR:
+            case QChar::DirAL:
+                return Qt::RightToLeft;
+            default:
+                break;
+            }
+            ++p;
+        }
+    }
+    return Qt::LeftToRight;
+}
+
+/*!
     Returns the block's contents as plain text.
 
     \sa length() charFormat() blockFormat()
diff --git a/src/gui/text/qtextobject.h b/src/gui/text/qtextobject.h
index 67f67d8..a573a26 100644
--- a/src/gui/text/qtextobject.h
+++ b/src/gui/text/qtextobject.h
@@ -221,6 +221,8 @@ public:
     QTextCharFormat charFormat() const;
     int charFormatIndex() const;
 
+    Qt::LayoutDirection textDirection() const;
+
     QString text() const;
 
     const QTextDocument *document() const;
diff --git a/src/gui/text/qtextoption.cpp b/src/gui/text/qtextoption.cpp
index c1e254c..3b02ebe 100644
--- a/src/gui/text/qtextoption.cpp
+++ b/src/gui/text/qtextoption.cpp
@@ -65,7 +65,7 @@ QTextOption::QTextOption()
       tab(-1),
       d(0)
 {
-    direction = QApplication::layoutDirection();
+    direction = Qt::LayoutDirectionAuto;
 }
 
 /*!
diff --git a/src/gui/text/qtextoption.h b/src/gui/text/qtextoption.h
index 1381ed1..fa8c6f2 100644
--- a/src/gui/text/qtextoption.h
+++ b/src/gui/text/qtextoption.h
@@ -134,8 +134,8 @@ private:
     uint align : 8;
     uint wordWrap : 4;
     uint design : 1;
-    uint direction : 1;
-    uint unused : 19;
+    uint direction : 2;
+    uint unused : 18;
     uint f;
     qreal tab;
     QTextOptionPrivate *d;
diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h
index 5da1831..7068f62 100644
--- a/src/gui/widgets/qlinecontrol_p.h
+++ b/src/gui/widgets/qlinecontrol_p.h
@@ -78,7 +78,7 @@ class Q_GUI_EXPORT QLineControl : public QObject
 
 public:
     QLineControl(const QString &txt = QString())
-        : m_cursor(0), m_preeditCursor(0), m_cursorWidth(0), m_layoutDirection(Qt::LeftToRight),
+        : m_cursor(0), m_preeditCursor(0), m_cursorWidth(0), m_layoutDirection(Qt::LayoutDirectionAuto),
         m_hideCursor(false), m_separator(0), m_readOnly(0),
         m_dragEnabled(0), m_echoMode(0), m_textDirty(0), m_selDirty(0),
         m_validInput(1), m_blinkStatus(0), m_blinkPeriod(0), m_blinkTimer(0), m_deleteAllTimer(0),
@@ -272,7 +272,14 @@ public:
     QChar passwordCharacter() const { return m_passwordCharacter; }
     void setPasswordCharacter(const QChar &character) { m_passwordCharacter = character; updateDisplayText(); }
 
-    Qt::LayoutDirection layoutDirection() const { return m_layoutDirection; }
+    Qt::LayoutDirection layoutDirection() const {
+        if (m_layoutDirection == Qt::LayoutDirectionAuto) {
+            if (m_text.isEmpty())
+                return QApplication::keyboardInputDirection();
+            return m_text.isRightToLeft() ? Qt::RightToLeft : Qt::LeftToRight;
+        }
+        return m_layoutDirection;
+    }
     void setLayoutDirection(Qt::LayoutDirection direction)
     {
         if (direction != m_layoutDirection) {
diff --git a/src/gui/widgets/qlineedit.cpp b/src/gui/widgets/qlineedit.cpp
index c1c4abf..1bffde1 100644
--- a/src/gui/widgets/qlineedit.cpp
+++ b/src/gui/widgets/qlineedit.cpp
@@ -1860,7 +1860,7 @@ void QLineEdit::paintEvent(QPaintEvent *)
     p.setClipRect(r);
 
     QFontMetrics fm = fontMetrics();
-    Qt::Alignment va = QStyle::visualAlignment(layoutDirection(), QFlag(d->alignment));
+    Qt::Alignment va = QStyle::visualAlignment(d->control->layoutDirection(), QFlag(d->alignment));
     switch (va & Qt::AlignVertical_Mask) {
      case Qt::AlignBottom:
          d->vscroll = r.y() + r.height() - fm.height() - d->verticalMargin;
@@ -2161,9 +2161,6 @@ void QLineEdit::changeEvent(QEvent *ev)
         }
         update();
         break;
-    case QEvent::LayoutDirectionChange:
-        d->control->setLayoutDirection(layoutDirection());
-        break;
     default:
         break;
     }