corrected painting implementation for wxDFB

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41185 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dfb/window.h

@@ -140,11 +140,12 @@ protected:
     void InvalidateDfbSurface();
 
     // called by parent to render (part of) the window
-    void PaintWindow(const wxRect& rect, bool eraseBackground);
+    void PaintWindow(const wxRect& rect);
 
-    // implementation of Refresh()
-    void DoRefreshWindow(bool eraseBack = true);
-    virtual void DoRefreshRect(const wxRect& rect, bool eraseBack = true);
+    // refreshes the entire window (including non-client areas)
+    void DoRefreshWindow();
+    // refreshes given rectangle of the window (in window, _not_ client coords)
+    virtual void DoRefreshRect(const wxRect& rect);
 
     // DirectFB events handling
     void HandleKeyEvent(const wxDFBWindowEvent& event_);
@@ -177,5 +178,4 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-
 #endif // _WX_DFB_WINDOW_H_