-void wxWindowMac::MacRedraw( WXHRGN updatergnr , long time, bool erase)
-{
- RgnHandle updatergn = (RgnHandle) updatergnr ;
- // updatergn is always already clipped to our boundaries
- // if we are in compositing mode then it is in relative to the upper left of the control
- // if we are in non-compositing, then it is relatvie to the uppder left of the content area
- // of the toplevel window
- // it is in window coordinates, not in client coordinates
-
- // ownUpdateRgn is the area that this window has to repaint, it is in window coordinates
- RgnHandle ownUpdateRgn = NewRgn() ;
- CopyRgn( updatergn , ownUpdateRgn ) ;
-
- if ( MacGetTopLevelWindow()->MacUsesCompositing() == false )
- {
- Rect bounds;
- m_peer->GetRectInWindowCoords( &bounds );
- RgnHandle controlRgn = NewRgn();
- RectRgn( controlRgn, &bounds );
- //KO: This sets the ownUpdateRgn to the area of this control that is inside
- // the window update region
- SectRgn( ownUpdateRgn, controlRgn, ownUpdateRgn );
- DisposeRgn( controlRgn );
-
- //KO: convert ownUpdateRgn to local coordinates
- OffsetRgn( ownUpdateRgn, -bounds.left, -bounds.top );
- }
-
- MacDoRedraw( ownUpdateRgn , time ) ;
- DisposeRgn( ownUpdateRgn ) ;
-
-}