1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/painting/qpaintengine_mac_p.h b/src/gui/painting/qpaintengine_mac_p.h
index 7a23472..04696af 100644
--- a/src/gui/painting/qpaintengine_mac_p.h
+++ b/src/gui/painting/qpaintengine_mac_p.h
@@ -110,6 +110,7 @@ public:
 
     static void initialize();
     static void cleanup();
+    static void clearColorSpace(QWidget* w);
 
     QPainter::RenderHints supportedRenderHints() const;
 
@@ -134,7 +135,7 @@ protected:
 private:
     static bool m_postRoutineRegistered;
     static CGColorSpaceRef m_genericColorSpace;
-    static QHash<CGDirectDisplayID, CGColorSpaceRef> m_displayColorSpaceHash;
+    static QHash<QWidget*, CGColorSpaceRef> m_displayColorSpaceHash; // window -> color space
     static void cleanUpMacColorSpaces();
     Q_DISABLE_COPY(QCoreGraphicsPaintEngine)
 };