--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h Mon Mar 15 12:43:09 2010 +0200
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h Thu Apr 08 14:19:33 2010 +0300
@@ -51,6 +51,9 @@
NSPanel, while QCocoaWindow needs to inherit NSWindow rather than NSPanel).
****************************************************************************/
+// WARNING: Don't include any header files from within this file. Put them
+// directly into qcocoawindow_mac_p.h and qcocoapanel_mac_p.h
+
QT_BEGIN_NAMESPACE
extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
@@ -185,3 +188,20 @@
return [super frameViewClassForStyleMask:styleMask];
}
+- (void)displayIfNeeded
+{
+
+ QWidget *qwidget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+ if (qwidget == 0) {
+ [super displayIfNeeded];
+ return;
+ }
+
+ if (QApplicationPrivate::graphicsSystem() != 0) {
+ if (QWidgetBackingStore *bs = qt_widget_private(qwidget)->maybeBackingStore())
+ bs->sync(qwidget, qwidget->rect());
+ }
+ [super displayIfNeeded];
+}
+
+