1 files changed, 3 insertions, 2 deletions
diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index 6aadfe13f7..c432f4b5d5 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -229,7 +229,8 @@ public:
         DontSubtractOpaqueChildren = 0x10,
         DontDrawOpaqueChildren = 0x20,
         DontDrawNativeChildren = 0x40,
-        DontSetCompositionMode = 0x80
+        DontSetCompositionMode = 0x80,
+        UseEffectRegionBounds = 0x100
     };
     Q_DECLARE_FLAGS(DrawWidgetFlags, DrawWidgetFlag)
     Q_FLAG(DrawWidgetFlags)
@@ -464,7 +465,7 @@ public:
     // 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() {}
+    virtual void aboutToDestroy(bool destroyWindow) { Q_UNUSED(destroyWindow); }
 
     inline QWidget *effectiveFocusWidget() {
         QWidget *w = q_func();