2 files changed, 31 insertions, 11 deletions

diff --git a/src/gui/kernel/qcocoawindowdelegate_mac.mm b/src/gui/kernel/qcocoawindowdelegate_mac.mm
index 03b2fce..fa325f4 100644
--- a/src/gui/kernel/qcocoawindowdelegate_mac.mm
+++ b/src/gui/kernel/qcocoawindowdelegate_mac.mm
@@ -194,7 +194,6 @@ static void cleanupCocoaWindowDelegate()
 {
     NSWindow *window = [notification object];
     QWidget *qwidget = m_windowHash->value(window);
-    // Just here to handle the is zoomed method.
     QWidgetData *widgetData = qt_qwidget_data(qwidget);
     if (!(qwidget->windowState() & (Qt::WindowMaximized | Qt::WindowFullScreen)) && [window isZoomed]) {
         widgetData->window_state = widgetData->window_state | Qt::WindowMaximized;
@@ -202,7 +201,6 @@ static void cleanupCocoaWindowDelegate()
                                                    & ~Qt::WindowMaximized));
         qt_sendSpontaneousEvent(qwidget, &e);
     }
-    [self checkForMove:[window frame] forWidget:qwidget];
     NSRect rect = [[window contentView] frame];
     const QSize newSize(rect.size.width, rect.size.height);
     const QSize &oldSize = widgetData->crect.size();
@@ -212,12 +210,18 @@ static void cleanupCocoaWindowDelegate()
     }
 }
 
-- (void)checkForMove:(const NSRect &)newRect forWidget:(QWidget *)qwidget
+- (void)windowDidMove:(NSNotification *)notification
 {
-    // newRect's origin is bottom left.
+    // The code underneath needs to translate the window location
+    // from bottom left (which is the origin used by Cocoa) to
+    // upper left (which is the origin used by Qt):
+    NSWindow *window = [notification object];
+    NSRect newRect = [window frame];
+    QWidget *qwidget = m_windowHash->value(window);
     QPoint qtPoint = flipPoint(NSMakePoint(newRect.origin.x,
                                            newRect.origin.y + newRect.size.height)).toPoint();
     const QRect &oldRect = qwidget->frameGeometry();
+
     if (qtPoint.x() != oldRect.x() || qtPoint.y() != oldRect.y()) {
         QWidgetData *widgetData = qt_qwidget_data(qwidget);
         QRect oldCRect = widgetData->crect;
@@ -233,11 +237,6 @@ static void cleanupCocoaWindowDelegate()
     }
 }
 
-- (void)windowDidMove:(NSNotification *)notification
-{
-    [self windowDidResize:notification];
-}
-
 -(BOOL)windowShouldClose:(id)windowThatWantsToClose
 {
     QWidget *qwidget = m_windowHash->value(windowThatWantsToClose);
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index a00f969..5abaaf8 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -4039,7 +4039,11 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
     QMacCocoaAutoReleasePool pool;
     bool realWindow = isRealWindow();
 
-    if (realWindow && !(w == 0 && h == 0) && !q->testAttribute(Qt::WA_DontShowOnScreen)) {
+    if (realWindow && !q->testAttribute(Qt::WA_DontShowOnScreen)
+#ifndef QT_MAC_USE_COCOA
+            && !(w == 0 && h == 0)
+#endif
+       ){
         applyMaxAndMinSizeConstraints(w, h);
         topData()->isSetGeometry = 1;
         topData()->isMove = isMove;
@@ -4054,7 +4058,24 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
                                     fStrut.top() + fStrut.bottom() + h));
         NSRect cocoaFrameRect = NSMakeRect(frameRect.x(), flipYCoordinate(frameRect.bottom() + 1),
                                            frameRect.width(), frameRect.height());
-        [window setFrame:cocoaFrameRect display:NO];
+
+        QPoint currTopLeft = data.crect.topLeft();
+        if (currTopLeft.x() == x && currTopLeft.y() == y
+                && cocoaFrameRect.size.width != 0
+                && cocoaFrameRect.size.height != 0) {
+            [window setFrame:cocoaFrameRect display:NO];
+        } else {
+            // The window is moved and resized (or resized to zero).
+            // Since Cocoa usually only sends us a resize callback after
+            // setting a window frame, we issue an explicit move as
+            // well. To stop Cocoa from optimize away the move (since the move
+            // would have the same origin as the setFrame call) we shift the
+            // window back and forth inbetween.
+            cocoaFrameRect.origin.y += 1;
+            [window setFrame:cocoaFrameRect display:NO];
+            cocoaFrameRect.origin.y -= 1;
+            [window setFrameOrigin:cocoaFrameRect.origin];
+        }
 #endif
         topData()->isSetGeometry = 0;
     } else {