Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt-s60-public into master-integration

* 'master' of scm.dev.nokia.troll.no:qt/qt-s60-public: (81 commits)
  Added addMMPRules for adding conditional MMP_RULES
  Allow overriding TARGET.EPOCHEAPSIZE with MMP_RULES
  Build break fix for commit d8465414e6fd543cfc20e732030dedd8d2bc685f.
  Fix for cetest.
  Speed up compilation of this test with MSVC.
  New benchmark for QDirIterator
  Backporting auto-test utility header from master.
  Fix a signed/unsigned comparison compiler warning
  Removed an export that shouldn't be exported.
  Reduced the code and memory footprint of the keymap.
  Enabled Qt key events to work also when native key code is missing.
  Cleaning of the patch to QTBUG-3168
  Patch to QTBUG-3168
  Crash in QGraphicsScenePrivate::setFocusItemHelper
  Pass the right arguments to QApplication in GraphicsView benchmark.
  Improvements to itemview keypad navigation in S60.
  Revert changes made in scroll_sys().
  Fix SymbianMakefileGenerator::absolutizePath for clean builds
  Set the roleNames of proxy models to the roleNames of the source model.
  Add benchmarks for accessing meta-object properties via QScriptValue
  ...

7 files changed, 207 insertions, 169 deletions

diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 3e2e6f6..baefdfd 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -597,7 +597,9 @@ TKeyResponse QSymbianControl::OfferKeyEvent(const TKeyEvent& keyEvent, TEventCod
         TUint s60Keysym = QApplicationPrivate::resolveS60ScanCode(keyEvent.iScanCode,
                 keyEvent.iCode);
         int keyCode;
-        if (s60Keysym >= 0x20 && s60Keysym < ENonCharacterKeyBase) {
+		if (s60Keysym == EKeyNull){ //some key events have 0 in iCode, for them iScanCode should be used
+			keyCode = qt_keymapper_private()->mapS60ScanCodesToQt(keyEvent.iScanCode);
+		} else if (s60Keysym >= 0x20 && s60Keysym < ENonCharacterKeyBase) {
             // Normal characters keys.
             keyCode = s60Keysym;
         } else {
@@ -1146,6 +1148,10 @@ void qt_init(QApplicationPrivate * /* priv */, int)
 #endif
         S60->wsSession().SetAutoFlush(ETrue);
 
+#ifdef Q_SYMBIAN_WINDOW_SIZE_CACHE
+    TRAP_IGNORE(S60->wsSession().EnableWindowSizeCacheL());
+#endif
+
     S60->updateScreenSize();
 
 
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 31d245f..131b9bb 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -1905,8 +1905,13 @@ LRESULT CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam
                 break;
 
             if (!msg.wParam) {
+#ifdef Q_WS_WINCE
+                // On Windows CE, lParam parameter is a constant, not a char pointer.
+                if (msg.lParam == INI_INTL) {
+#else
                 QString area = QString::fromWCharArray((wchar_t*)msg.lParam);
                 if (area == QLatin1String("intl")) {
+#endif
                     QLocalePrivate::updateSystemPrivate();
                     if (!widget->testAttribute(Qt::WA_SetLocale))
                         widget->dptr()->setLocale_helper(QLocale(), true);
diff --git a/src/gui/kernel/qkeymapper_p.h b/src/gui/kernel/qkeymapper_p.h
index 09c36c88..3e42d6e 100644
--- a/src/gui/kernel/qkeymapper_p.h
+++ b/src/gui/kernel/qkeymapper_p.h
@@ -207,12 +207,12 @@ public:
     KeyboardLayoutItem *keyLayout[256];
 #elif defined(Q_WS_QWS)
 #elif defined(Q_OS_SYMBIAN)
-private:
-    QHash<TUint, int> s60ToQtKeyMap;
-    void fillKeyMap();
 public:
     QString translateKeyEvent(int keySym, Qt::KeyboardModifiers modifiers);
     int mapS60KeyToQt(TUint s60key);
+    int mapS60ScanCodesToQt(TUint s60key);
+    int mapQtToS60Key(int qtKey);
+    int mapQtToS60ScanCodes(int qtKey);
 #endif
 };
 
diff --git a/src/gui/kernel/qkeymapper_s60.cpp b/src/gui/kernel/qkeymapper_s60.cpp
index 6e21420..fd263ef 100644
--- a/src/gui/kernel/qkeymapper_s60.cpp
+++ b/src/gui/kernel/qkeymapper_s60.cpp
@@ -46,7 +46,6 @@ QT_BEGIN_NAMESPACE
 
 QKeyMapperPrivate::QKeyMapperPrivate()
 {
-    fillKeyMap();
 }
 
 QKeyMapperPrivate::~QKeyMapperPrivate()
@@ -74,174 +73,145 @@ QString QKeyMapperPrivate::translateKeyEvent(int keySym, Qt::KeyboardModifiers /
     return QString(QChar(keySym));
 }
 
-void QKeyMapperPrivate::fillKeyMap()
+#include <e32keys.h>
+struct KeyMapping{
+    TKeyCode s60KeyCode;
+    TStdScanCode s60ScanCode;
+    Qt::Key qtKey;
+};
+
+using namespace Qt;
+
+static const KeyMapping keyMapping[] = {
+    {EKeyBackspace, EStdKeyBackspace, Key_Backspace},
+    {EKeyTab, EStdKeyTab, Key_Tab},
+    {EKeyEnter, EStdKeyEnter, Key_Enter},
+    {EKeyEscape, EStdKeyEscape, Key_Escape},
+    {EKeySpace, EStdKeySpace, Key_Space},
+    {EKeyDelete, EStdKeyDelete, Key_Delete},
+    {EKeyPrintScreen, EStdKeyPrintScreen, Key_SysReq},
+    {EKeyPause, EStdKeyPause, Key_Pause},
+    {EKeyHome, EStdKeyHome, Key_Home},
+    {EKeyEnd, EStdKeyEnd, Key_End},
+    {EKeyPageUp, EStdKeyPageUp, Key_PageUp},
+    {EKeyPageDown, EStdKeyPageDown, Key_PageDown},
+    {EKeyInsert, EStdKeyInsert, Key_Insert},
+    {EKeyLeftArrow, EStdKeyLeftArrow, Key_Left},
+    {EKeyRightArrow, EStdKeyRightArrow, Key_Right},
+    {EKeyUpArrow, EStdKeyUpArrow, Key_Up},
+    {EKeyDownArrow, EStdKeyDownArrow, Key_Down},
+    {EKeyLeftShift, EStdKeyLeftShift, Key_Shift},
+    {EKeyRightShift, EStdKeyRightShift, Key_Shift},
+    {EKeyLeftAlt, EStdKeyLeftAlt, Key_Alt},
+    {EKeyRightAlt, EStdKeyRightAlt, Key_AltGr},
+    {EKeyLeftCtrl, EStdKeyLeftCtrl, Key_Control},
+    {EKeyRightCtrl, EStdKeyRightCtrl, Key_Control},
+    {EKeyLeftFunc, EStdKeyLeftFunc, Key_Super_L},
+    {EKeyRightFunc, EStdKeyRightFunc, Key_Super_R},
+    {EKeyCapsLock, EStdKeyCapsLock, Key_CapsLock},
+    {EKeyNumLock, EStdKeyNumLock, Key_NumLock},
+    {EKeyScrollLock, EStdKeyScrollLock, Key_ScrollLock},
+    {EKeyF1, EStdKeyF1, Key_F1},
+    {EKeyF2, EStdKeyF2, Key_F2},
+    {EKeyF3, EStdKeyF3, Key_F3},
+    {EKeyF4, EStdKeyF4, Key_F4},
+    {EKeyF5, EStdKeyF5, Key_F5},
+    {EKeyF6, EStdKeyF6, Key_F6},
+    {EKeyF7, EStdKeyF7, Key_F7},
+    {EKeyF8, EStdKeyF8, Key_F8},
+    {EKeyF9, EStdKeyF9, Key_F9},
+    {EKeyF10, EStdKeyF10, Key_F10},
+    {EKeyF11, EStdKeyF11, Key_F11},
+    {EKeyF12, EStdKeyF12, Key_F12},
+    {EKeyF13, EStdKeyF13, Key_F13},
+    {EKeyF14, EStdKeyF14, Key_F14},
+    {EKeyF15, EStdKeyF15, Key_F15},
+    {EKeyF16, EStdKeyF16, Key_F16},
+    {EKeyF17, EStdKeyF17, Key_F17},
+    {EKeyF18, EStdKeyF18, Key_F18},
+    {EKeyF19, EStdKeyF19, Key_F19},
+    {EKeyF20, EStdKeyF20, Key_F20},
+    {EKeyF21, EStdKeyF21, Key_F21},
+    {EKeyF22, EStdKeyF22, Key_F22},
+    {EKeyF23, EStdKeyF23, Key_F23},
+    {EKeyF24, EStdKeyF24, Key_F24},
+    {EKeyOff, EStdKeyOff, Key_PowerOff},
+//    {EKeyMenu, EStdKeyMenu, Key_Menu}, // Menu is EKeyApplication0
+    {EKeyHelp, EStdKeyHelp, Key_Help},
+    {EKeyDial, EStdKeyDial, Key_Call},
+    {EKeyIncVolume, EStdKeyIncVolume, Key_VolumeUp},
+    {EKeyDecVolume, EStdKeyDecVolume, Key_VolumeDown},
+    {EKeyDevice0, EStdKeyDevice0, Key_Context1}, // Found by manual testing.
+    {EKeyDevice1, EStdKeyDevice1, Key_Context2}, // Found by manual testing.
+    {EKeyDevice3, EStdKeyDevice3, Key_Select},
+//    {EKeyDevice7, EStdKeyDevice7, Key_Camera},  //not supported by qt yet
+    {EKeyApplication0, EStdKeyApplication0, Key_Menu}, // Found by manual testing.
+    {EKeyApplication1, EStdKeyApplication1, Key_Launch1}, // Found by manual testing.
+    {EKeyApplication2, EStdKeyApplication2, Key_MediaPlay}, // Found by manual testing.
+    {EKeyApplication3, EStdKeyApplication3, Key_MediaStop}, // Found by manual testing.
+    {EKeyApplication4, EStdKeyApplication4, Key_MediaNext}, // Found by manual testing.
+    {EKeyApplication5, EStdKeyApplication5, Key_MediaPrevious}, // Found by manual testing.
+    {EKeyApplication6, EStdKeyApplication6, Key_Launch6},
+    {EKeyApplication7, EStdKeyApplication7, Key_Launch7},
+    {EKeyApplication8, EStdKeyApplication8, Key_Launch8},
+    {EKeyApplication9, EStdKeyApplication9, Key_Launch9},
+    {EKeyApplicationA, EStdKeyApplicationA, Key_LaunchA},
+    {EKeyApplicationB, EStdKeyApplicationB, Key_LaunchB},
+    {EKeyApplicationC, EStdKeyApplicationC, Key_LaunchC},
+    {EKeyApplicationD, EStdKeyApplicationD, Key_LaunchD},
+    {EKeyApplicationE, EStdKeyApplicationE, Key_LaunchE},
+    {EKeyApplicationF, EStdKeyApplicationF, Key_LaunchF},
+//    {EKeyApplication19, EStdKeyApplication19, Key_CameraFocus},  //not supported by qt yet
+    {EKeyYes, EStdKeyYes, Key_Yes},
+    {EKeyNo, EStdKeyNo, Key_No},
+    {TKeyCode(0), TStdScanCode(0), Qt::Key(0)}
+};
+
+int QKeyMapperPrivate::mapS60KeyToQt(TUint s60key)
 {
-    using namespace Qt;
-    static const struct {
-        TUint s60Key;
-        int qtKey;
-    } map[] = {
-        {EKeyBell, Key_unknown},
-        {EKeyBackspace, Key_Backspace},
-        {EKeyTab, Key_Tab},
-        {EKeyLineFeed, Key_unknown},
-        {EKeyVerticalTab, Key_unknown},
-        {EKeyFormFeed, Key_unknown},
-        {EKeyEnter, Key_Enter},
-        {EKeyEscape, Key_Escape},
-        {EKeySpace, Key_Space},
-        {EKeyDelete, Key_Delete},
-        {EKeyPrintScreen, Key_SysReq},
-        {EKeyPause, Key_Pause},
-        {EKeyHome, Key_Home},
-        {EKeyEnd, Key_End},
-        {EKeyPageUp, Key_PageUp},
-        {EKeyPageDown, Key_PageDown},
-        {EKeyInsert, Key_Insert},
-        {EKeyLeftArrow, Key_Left},
-        {EKeyRightArrow, Key_Right},
-        {EKeyUpArrow, Key_Up},
-        {EKeyDownArrow, Key_Down},
-        {EKeyLeftShift, Key_Shift},
-        {EKeyRightShift, Key_Shift},
-        {EKeyLeftAlt, Key_Alt},
-        {EKeyRightAlt, Key_AltGr},
-        {EKeyLeftCtrl, Key_Control},
-        {EKeyRightCtrl, Key_Control},
-        {EKeyLeftFunc, Key_Super_L},
-        {EKeyRightFunc, Key_Super_R},
-        {EKeyCapsLock, Key_CapsLock},
-        {EKeyNumLock, Key_NumLock},
-        {EKeyScrollLock, Key_ScrollLock},
-        {EKeyF1, Key_F1},
-        {EKeyF2, Key_F2},
-        {EKeyF3, Key_F3},
-        {EKeyF4, Key_F4},
-        {EKeyF5, Key_F5},
-        {EKeyF6, Key_F6},
-        {EKeyF7, Key_F7},
-        {EKeyF8, Key_F8},
-        {EKeyF9, Key_F9},
-        {EKeyF10, Key_F10},
-        {EKeyF11, Key_F11},
-        {EKeyF12, Key_F12},
-        {EKeyF13, Key_F13},
-        {EKeyF14, Key_F14},
-        {EKeyF15, Key_F15},
-        {EKeyF16, Key_F16},
-        {EKeyF17, Key_F17},
-        {EKeyF18, Key_F18},
-        {EKeyF19, Key_F19},
-        {EKeyF20, Key_F20},
-        {EKeyF21, Key_F21},
-        {EKeyF22, Key_F22},
-        {EKeyF23, Key_F23},
-        {EKeyF24, Key_F24},
-        {EKeyOff, Key_unknown},
-        {EKeyIncContrast, Key_unknown},
-        {EKeyDecContrast, Key_unknown},
-        {EKeyBacklightOn, Key_unknown},
-        {EKeyBacklightOff, Key_unknown},
-        {EKeyBacklightToggle, Key_unknown},
-        {EKeySliderDown, Key_unknown},
-        {EKeySliderUp, Key_unknown},
-        {EKeyMenu, Key_Menu},
-        {EKeyDictaphonePlay, Key_unknown},
-        {EKeyDictaphoneStop, Key_unknown},
-        {EKeyDictaphoneRecord, Key_unknown},
-        {EKeyHelp, Key_unknown},
-        {EKeyDial, Key_Call},
-        {EKeyScreenDimension0, Key_unknown},
-        {EKeyScreenDimension1, Key_unknown},
-        {EKeyScreenDimension2, Key_unknown},
-        {EKeyScreenDimension3, Key_unknown},
-        {EKeyIncVolume, Key_unknown},
-        {EKeyDecVolume, Key_unknown},
-        {EKeyDevice0, Key_Context1}, // Found by manual testing, left softkey.
-        {EKeyDevice1, Key_Context2}, // Found by manual testing.
-        {EKeyDevice2, Key_unknown},
-        {EKeyDevice3, Key_Select}, // Found by manual testing.
-        {EKeyDevice4, Key_unknown},
-        {EKeyDevice5, Key_unknown},
-        {EKeyDevice6, Key_unknown},
-        {EKeyDevice7, Key_unknown},
-        {EKeyDevice8, Key_unknown},
-        {EKeyDevice9, Key_unknown},
-        {EKeyDeviceA, Key_unknown},
-        {EKeyDeviceB, Key_unknown},
-        {EKeyDeviceC, Key_unknown},
-        {EKeyDeviceD, Key_unknown},
-        {EKeyDeviceE, Key_unknown},
-        {EKeyDeviceF, Key_unknown},
-        {EKeyApplication0, Key_Launch0},
-        {EKeyApplication1, Key_Launch1},
-        {EKeyApplication2, Key_Launch2},
-        {EKeyApplication3, Key_Launch3},
-        {EKeyApplication4, Key_Launch4},
-        {EKeyApplication5, Key_Launch5},
-        {EKeyApplication6, Key_Launch6},
-        {EKeyApplication7, Key_Launch7},
-        {EKeyApplication8, Key_Launch8},
-        {EKeyApplication9, Key_Launch9},
-        {EKeyApplicationA, Key_LaunchA},
-        {EKeyApplicationB, Key_LaunchB},
-        {EKeyApplicationC, Key_LaunchC},
-        {EKeyApplicationD, Key_LaunchD},
-        {EKeyApplicationE, Key_LaunchE},
-        {EKeyApplicationF, Key_LaunchF},
-        {EKeyYes, Key_Yes},
-        {EKeyNo, Key_No},
-        {EKeyIncBrightness, Key_unknown},
-        {EKeyDecBrightness, Key_unknown},
-        {EKeyKeyboardExtend, Key_unknown},
-        {EKeyDevice10, Key_unknown},
-        {EKeyDevice11, Key_unknown},
-        {EKeyDevice12, Key_unknown},
-        {EKeyDevice13, Key_unknown},
-        {EKeyDevice14, Key_unknown},
-        {EKeyDevice15, Key_unknown},
-        {EKeyDevice16, Key_unknown},
-        {EKeyDevice17, Key_unknown},
-        {EKeyDevice18, Key_unknown},
-        {EKeyDevice19, Key_unknown},
-        {EKeyDevice1A, Key_unknown},
-        {EKeyDevice1B, Key_unknown},
-        {EKeyDevice1C, Key_unknown},
-        {EKeyDevice1D, Key_unknown},
-        {EKeyDevice1E, Key_unknown},
-        {EKeyDevice1F, Key_unknown},
-        {EKeyApplication10, Key_unknown},
-        {EKeyApplication11, Key_unknown},
-        {EKeyApplication12, Key_unknown},
-        {EKeyApplication13, Key_unknown},
-        {EKeyApplication14, Key_unknown},
-        {EKeyApplication15, Key_unknown},
-        {EKeyApplication16, Key_unknown},
-        {EKeyApplication17, Key_unknown},
-        {EKeyApplication18, Key_unknown},
-        {EKeyApplication19, Key_unknown},
-        {EKeyApplication1A, Key_unknown},
-        {EKeyApplication1B, Key_unknown},
-        {EKeyApplication1C, Key_unknown},
-        {EKeyApplication1D, Key_unknown},
-        {EKeyApplication1E, Key_unknown},
-        {EKeyApplication1F, Key_unknown}
-    };
-    const int mapSize = int(sizeof(map)/sizeof(map[0]));
-    s60ToQtKeyMap.reserve(mapSize + 5); // +5? docs: Ideally, slightly more than number of items
-    for (int i = 0; i < mapSize; ++i)
-        s60ToQtKeyMap.insert(map[i].s60Key, map[i].qtKey);
+    int res = Qt::Key_unknown;
+    for (int i = 0; keyMapping[i].s60KeyCode != 0; i++) {
+        if (keyMapping[i].s60KeyCode == s60key) {
+            res = keyMapping[i].qtKey;
+            break;
+        }
+    }
+    return res;
 }
 
-int QKeyMapperPrivate::mapS60KeyToQt(TUint s60key)
+int QKeyMapperPrivate::mapS60ScanCodesToQt(TUint s60scanCode)
 {
-    QHash<TUint, int>::const_iterator mapping;
-    mapping = s60ToQtKeyMap.find(s60key);
-    if (mapping != s60ToQtKeyMap.end()) {
-        return *mapping;
-    } else {
-        return Qt::Key_unknown;
+    int res = Qt::Key_unknown;
+    for (int i = 0; keyMapping[i].s60KeyCode != 0; i++) {
+        if (keyMapping[i].s60ScanCode == s60scanCode) {
+            res = keyMapping[i].qtKey;
+            break;
+        }
     }
+    return res;
 }
 
+int QKeyMapperPrivate::mapQtToS60Key(int qtKey)
+{
+    int res = KErrUnknown;
+    for (int i = 0; keyMapping[i].s60KeyCode != 0; i++) {
+        if (keyMapping[i].qtKey == qtKey) {
+            res = keyMapping[i].s60KeyCode;
+            break;
+        }
+    }
+    return res;
+}
+
+int QKeyMapperPrivate::mapQtToS60ScanCodes(int qtKey)
+{
+    int res = KErrUnknown;
+    for (int i = 0; keyMapping[i].s60KeyCode != 0; i++) {
+        if (keyMapping[i].qtKey == qtKey) {
+            res = keyMapping[i].s60ScanCode;
+            break;
+        }
+    }
+    return res;
+}
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 1e9b1d9..2f6ec6b 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -118,6 +118,10 @@
 #include "private/qgraphicssystem_p.h"
 #include "private/qgesturemanager_p.h"
 
+#ifdef QT_KEYPAD_NAVIGATION
+#include "qtabwidget.h" // Needed in inTabWidget()
+#endif // QT_KEYPAD_NAVIGATION
+
 // widget/widget data creation count
 //#define QWIDGET_EXTRA_DEBUG
 //#define ALIEN_DEBUG
@@ -11641,6 +11645,45 @@ QWidget *QWidgetPrivate::widgetInNavigationDirection(Direction direction)
     }
     return targetWidget;
 }
+
+/*!
+    \internal
+
+    Tells us if it there is currently a reachable widget by keypad navigation in
+    a certain \a orientation.
+    If no navigation is possible, occuring key events in that \a orientation may
+    be used to interact with the value in the focussed widget, even though it
+    currently has not the editFocus.
+
+    \sa QWidgetPrivate::widgetInNavigationDirection(), QWidget::hasEditFocus()
+*/
+bool QWidgetPrivate::canKeypadNavigate(Qt::Orientation orientation)
+{
+    return orientation == Qt::Horizontal?
+            (QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionEast)
+                    || QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionWest))
+            :(QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionNorth)
+                    || QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionSouth));
+}
+/*!
+    \internal
+
+    Checks, if the \a widget is inside a QTabWidget. If is is inside
+    one, left/right key events will be used to switch between tabs in keypad
+    navigation. If there is no QTabWidget, the horizontal key events can be used
+to
+    interact with the value in the focussed widget, even though it currently has
+    not the editFocus.
+
+    \sa QWidget::hasEditFocus()
+*/
+bool QWidgetPrivate::inTabWidget(QWidget *widget)
+{
+    for (QWidget *tabWidget = widget; tabWidget; tabWidget = tabWidget->parentWidget())
+        if (qobject_cast<const QTabWidget*>(tabWidget))
+            return true;
+    return false;
+}
 #endif
 
 /*!
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index da9e9eb..dcb87fc 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4543,8 +4543,20 @@ void QWidgetPrivate::scroll_sys(int dx, int dy, const QRect &r)
         }
     }
 
+    // ### Scroll the dirty regions as well, the following is not correct.
+    QRegion displayRegion = r.isNull() ? dirtyOnWidget : (dirtyOnWidget & r);
+    const QVector<QRect> &rects = dirtyOnWidget.rects();
+    const QVector<QRect>::const_iterator end = rects.end();
+    QVector<QRect>::const_iterator it = rects.begin();
+    while (it != end) {
+	const QRect rect = *it;
+	const NSRect dirtyRect = NSMakeRect(rect.x() + dx, rect.y() + dy,
+		rect.width(), rect.height());
+	[view setNeedsDisplayInRect:dirtyRect];
+	++it;
+    }
+
     NSSize deltaSize = NSMakeSize(dx, dy);
-    [view translateRectsNeedingDisplayInRect:scrollRect by:deltaSize];
     [view scrollRect:scrollRect by:deltaSize];
     [view setNeedsDisplayInRect:deltaXRect];
     [view setNeedsDisplayInRect:deltaYRect];
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 75b4c12..efd9a0a 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -475,6 +475,8 @@ public:
 #ifdef QT_KEYPAD_NAVIGATION
     static bool navigateToDirection(Direction direction);
     static QWidget *widgetInNavigationDirection(Direction direction);
+    static bool canKeypadNavigate(Qt::Orientation orientation);
+    static bool inTabWidget(QWidget *widget);
 #endif
 
     void setWindowIconText_sys(const QString &cap);