+#if TARGET_API_MAC_OSX
+ if ( m_peer && m_peer->Ok() )
+ {
+ bool peerVis = m_peer->IsVisible();
+ bool wxVis = wxWindowBase::IsShownOnScreen();
+ if( peerVis != wxVis )
+ {
+ // CS : put a breakpoint here to investigate differences
+ // between native an wx visibilities
+ // the only place where I've encountered them until now
+ // are the hiding/showing sequences where the vis-changed event is
+ // first sent to the innermost control, while wx does things
+ // from the outmost control
+ wxVis = wxWindowBase::IsShownOnScreen();
+ return wxVis;
+ }
+
+ return m_peer->IsVisible();
+ }
+#endif
+
+ return wxWindowBase::IsShownOnScreen();