[wxGTK] Support changing the wxSTAY_ON_TOP style value run-time through wxWindow::SetWindowStyleFlag, support for

more styles to follow


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36116 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/toplevel.h

@@ -58,6 +58,8 @@ public:
 
     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
 
+    virtual void SetWindowStyleFlag( long style );
+
     virtual bool Show(bool show = true);
 
     virtual void Raise();