MacOS: another way to make sure windowDidResize does not access Fl_Wi…

…ndow after [FLWindow close] message was sent

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12082 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/Fl_cocoa.mm

@@ -656,6 +656,13 @@ - (NSPoint)convertBaseToScreen:(NSPoint)aPoint;
 @end
 
 @implementation FLWindow
+- (void)close
+{
+  [super close];
+  // when a fullscreen window is closed, windowDidResize may be sent after the close message was sent
+  // and before the FLWindow receives the final dealloc message
+  w = NULL;
+}
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
 - (NSPoint)convertBaseToScreen:(NSPoint)aPoint
 {
@@ -1317,9 +1324,9 @@ - (void)windowDidMove:(NSNotification *)notif
 - (void)windowDidResize:(NSNotification *)notif
 {
   FLWindow *nsw = (FLWindow*)[notif object];
-  if (![nsw isVisible]) return;
-  fl_lock_function();
   Fl_Window *window = [nsw getFl_Window];
+  if (!window) return;
+  fl_lock_function();
   NSRect r; NSPoint pt2;
   r = [[nsw contentView] frame];
   pt2 = [nsw convertBaseToScreen:NSMakePoint(0, r.size.height)];