X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb5246bead0df931f25bd73c9a03c356b180fcd1..81853b98619293be66074d74d2557973c0f3ab21:/include/wx/mac/carbon/toplevel.h

diff --git a/include/wx/mac/carbon/toplevel.h b/include/wx/mac/carbon/toplevel.h
index 33dbb9c7f4..9383af61c6 100644
--- a/include/wx/mac/carbon/toplevel.h
+++ b/include/wx/mac/carbon/toplevel.h
@@ -91,12 +91,13 @@ public:
     virtual void Lower();
     virtual bool Show( bool show = true );
 
+    virtual void SetExtraStyle(long exStyle) ;
+
     virtual void MacSetBackgroundBrush( const wxBrush &brush ) ;
 
     bool MacUsesCompositing() { return m_macUsesCompositing; }
     virtual void MacInstallTopLevelWindowEventHandler() ;
 
-    void MacSetMetalAppearance( bool on ) ;
     bool MacGetMetalAppearance() const ;
 
     void MacChangeWindowAttributes( wxUint32 attributesToSet , wxUint32 attributesToClear ) ;
@@ -130,6 +131,12 @@ protected:
 
     static wxTopLevelWindowMac *s_macDeactivateWindow;
 private :
+    // KH: We cannot let this be called directly since the metal appearance is now managed by an
+    // extra style. Calling this function directly can result in blank white window backgrounds.
+    // This is because the ExtraStyle flags get out of sync with the metal appearance and the metal
+    // logic & checks cease to work as expected. To set the metal appearance, use SetExtraStyle.
+    void MacSetMetalAppearance( bool on ) ;
+
     WXEVENTHANDLERREF    m_macEventHandler ;
 
     DECLARE_EVENT_TABLE()