5 files changed, 65 insertions, 2 deletions

diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 2b10d63..5071cb5 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -1455,6 +1455,35 @@ bool QSymbianControl::isControlActive()
     return IsActivated() ? true : false;
 }
 
+void QSymbianControl::ensureFixNativeOrientation()
+{
+#if defined(Q_SYMBIAN_SUPPORTS_FIXNATIVEORIENTATION)
+    // Call FixNativeOrientation() for fullscreen QDeclarativeViews that
+    // have a locked orientation matching the native orientation of the device.
+    // This avoids unnecessary window rotation on wserv level.
+    if (!qwidget->isWindow() || qwidget->windowType() == Qt::Desktop
+        || !qwidget->inherits("QDeclarativeView")
+        || S60->screenNumberForWidget(qwidget) > 0)
+        return;
+    const bool isFullScreen = qwidget->windowState().testFlag(Qt::WindowFullScreen);
+    const bool isFixed = qwidget->d_func()->fixNativeOrientationCalled;
+    const bool matchesNative = qwidget->testAttribute(
+        S60->nativeOrientationIsPortrait ? Qt::WA_LockPortraitOrientation
+            : Qt::WA_LockLandscapeOrientation);
+    if (isFullScreen && matchesNative) {
+        if (!isFixed) {
+            Window().FixNativeOrientation();
+            qwidget->d_func()->fixNativeOrientationCalled = true;
+        }
+    } else if (isFixed) {
+        qwidget->d_func()->fixNativeOrientationCalled = false;
+        qwidget->hide();
+        qwidget->d_func()->create_sys(0, false, true);
+        qwidget->show();
+    }
+#endif
+}
+
 /*!
     \typedef QApplication::QS60MainApplicationFactory
     \since 4.6
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 3bb27c3..102c0ca 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -189,6 +189,8 @@ public:
     int screenHeightInPixelsForScreen[qt_symbian_max_screens];
     int screenWidthInTwipsForScreen[qt_symbian_max_screens];
     int screenHeightInTwipsForScreen[qt_symbian_max_screens];
+
+    bool nativeOrientationIsPortrait;
 };
 
 Q_AUTOTEST_EXPORT QS60Data* qGlobalS60Data();
@@ -233,6 +235,8 @@ public:
 
     bool isControlActive();
 
+    void ensureFixNativeOrientation();
+
 #ifdef Q_WS_S60
     void FadeBehindPopup(bool fade){ popupFader.FadeBehindPopup( this, this, fade); }
     void HandleStatusPaneSizeChange();
@@ -327,9 +331,11 @@ inline QS60Data::QS60Data()
 
 inline void QS60Data::updateScreenSize()
 {
+    CWsScreenDevice *dev = S60->screenDevice();
+    int screenModeCount = dev->NumScreenModes();
+    int mode = dev->CurrentScreenMode();
     TPixelsTwipsAndRotation params;
-    int mode = S60->screenDevice()->CurrentScreenMode();
-    S60->screenDevice()->GetScreenModeSizeAndRotation(mode, params);
+    dev->GetScreenModeSizeAndRotation(mode, params);
     S60->screenWidthInPixels = params.iPixelSize.iWidth;
     S60->screenHeightInPixels = params.iPixelSize.iHeight;
     S60->screenWidthInTwips = params.iTwipsSize.iWidth;
@@ -352,6 +358,21 @@ inline void QS60Data::updateScreenSize()
         S60->screenWidthInTwipsForScreen[i] = params.iTwipsSize.iWidth;
         S60->screenHeightInTwipsForScreen[i] = params.iTwipsSize.iHeight;
     }
+
+    // Look for a screen mode with rotation 0
+    // in order to decide what the native orientation is.
+    int nativeScreenWidthInPixels = 0;
+    int nativeScreenHeightInPixels = 0;
+    for (mode = 0; mode < screenModeCount; ++mode) {
+        TPixelsAndRotation sizeAndRotation;
+        dev->GetScreenModeSizeAndRotation(mode, sizeAndRotation);
+        if (sizeAndRotation.iRotation == CFbsBitGc::EGraphicsOrientationNormal) {
+            nativeScreenWidthInPixels = sizeAndRotation.iPixelSize.iWidth;
+            nativeScreenHeightInPixels = sizeAndRotation.iPixelSize.iHeight;
+            break;
+        }
+    }
+    S60->nativeOrientationIsPortrait = nativeScreenWidthInPixels <= nativeScreenHeightInPixels;
 }
 
 inline RWsSession& QS60Data::wsSession()
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e8d9efd..0a73481 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -306,6 +306,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , qd_hd(0)
 #elif defined(Q_OS_SYMBIAN)
       , symbianScreenNumber(0)
+      , fixNativeOrientationCalled(false)
 #endif
 {
     if (!qApp) {
@@ -10866,6 +10867,9 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
         }
         QT_TRAP_THROWING(appUi->SetOrientationL(s60orientation));
         S60->orientationSet = true;
+        QSymbianControl *window = static_cast<QSymbianControl *>(internalWinId());
+        if (window)
+            window->ensureFixNativeOrientation();
 #endif
         break;
     }
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 13e2349..377e3a7 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -883,6 +883,7 @@ public:
     static QWidget *mouseGrabber;
     static QWidget *keyboardGrabber;
     int symbianScreenNumber; // only valid for desktop widget and top-levels
+    bool fixNativeOrientationCalled;
     void s60UpdateIsOpaque();
     void reparentChildren();
     void registerTouchWindow();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index b65ae4d..f00b1e5 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -278,6 +278,8 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
             q->internalWinId()->SetRect(TRect(TPoint(x, y), TSize(w, h)));
             topData()->normalGeometry = data.crect;
         }
+        QSymbianControl *window = static_cast<QSymbianControl *>(q->internalWinId());
+        window->ensureFixNativeOrientation();
     } else {
         data.crect.setRect(x, y, w, h);
 
@@ -1273,6 +1275,12 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
     if (newstate & Qt::WindowActive)
         activateWindow();
 
+    if (isWindow()) {
+        // Now that the new state is set, fix the display memory layout, if needed.
+        QSymbianControl *window = static_cast<QSymbianControl *>(effectiveWinId());
+        window->ensureFixNativeOrientation();
+    }
+
     QWindowStateChangeEvent e(oldstate);
     QApplication::sendEvent(this, &e);
 }