- wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
- WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
- wxPoint origin = window->GetClientAreaOrigin() ;
- wxSize size = window->GetClientSize() ;
- int x , y ;
- x = origin.x ;
- y = origin.y ;
- window->MacWindowToRootWindow( &x , &y ) ;
- m_macLocalOrigin.x = x ;
- m_macLocalOrigin.y = y ;
- SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
- SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
- OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
- OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
- CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle) m_macCurrentClipRgn ) ;
- m_macPort = UMAGetWindowPort( windowref ) ;
- m_minY = m_minX = 0;
- m_maxX = size.x ;
- m_maxY = size.y ;
- m_ok = TRUE ;
- SetBackground(window->MacGetBackgroundBrush());
- SetFont( window->GetFont() ) ;
+ m_window = window ;
+ wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
+ if (!rootwindow)
+ return;
+
+ WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
+ wxPoint origin = window->GetClientAreaOrigin() ;
+ wxSize size = window->GetClientSize() ;
+ int x , y ;
+ x = origin.x ;
+ y = origin.y ;
+ window->MacWindowToRootWindow( &x , &y ) ;
+ m_macPort = UMAGetWindowPort( windowref ) ;
+ m_ok = true ;
+
+#if wxMAC_USE_CORE_GRAPHICS
+ m_macLocalOriginInPort.x = x ;
+ m_macLocalOriginInPort.y = y ;
+ if ( window->MacGetCGContextRef() )
+ {
+ m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
+ m_graphicContext->SetPen( m_pen ) ;
+ m_graphicContext->SetBrush( m_brush ) ;
+ SetClippingRegion( 0 , 0 , size.x , size.y ) ;
+ }
+ else
+ {
+ // as out of order redraw is not supported under CQ,
+ // we have to create a QD port for these situations
+ m_macLocalOrigin.x = x ;
+ m_macLocalOrigin.y = y ;
+ m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
+ m_graphicContext->SetPen( m_pen ) ;
+ m_graphicContext->SetBrush( m_brush ) ;
+ }
+#else
+ m_macLocalOrigin.x = x ;
+ m_macLocalOrigin.y = y ;
+ SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
+ SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
+ OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
+ OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
+ CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle) m_macCurrentClipRgn ) ;
+#endif
+
+ SetBackground(MacGetBackgroundBrush(window));
+ SetFont( window->GetFont() ) ;