+ // Cocoa is capable of doing animation asynchronously or even from separate
+ // thread but wx API doesn't provide any way to be notified about the
+ // animation end and without this we really must ensure that the window has
+ // the expected (i.e. the same as if a simple Show() had been used) size
+ // when we return, so block here until the animation finishes
+ //
+ // notice that because the default animation mode is NSAnimationBlocking,
+ // no user input events ought to be processed from here
+ {
+ wxEventLoopGuarantor ensureEventLoopExistence;
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+ while ( ![animDelegate isDone] )
+ loop->Dispatch();
+ }
+
+ if ( !show )
+ {
+ // NSViewAnimation is smart enough to hide the NSView being animated at
+ // the end but we also must ensure that it's hidden for wx too
+ win->Hide();
+
+ // and we must also restore its size because it isn't expected to
+ // change just because the window was hidden
+ win->SetSize(rectOrig);
+ }
+ else
+ {
+ // refresh it once again after the end to ensure that everything is in
+ // place
+ win->SendSizeEvent();
+ }
+
+ [anim setDelegate:nil];
+ [animDelegate release];
+ [anim release];
+