diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm index 6e16ac02a8cb5ffb516e767728b5b377c28197db..b916b3b4611f934598b117f1eada2c31af75c74f 100644 --- a/src/Fl_cocoa.mm +++ b/src/Fl_cocoa.mm @@ -2630,6 +2630,8 @@ static FLTextInputContext* fltextinputcontext_instance = nil; } - (void)keyUp:(NSEvent *)theEvent { //NSLog(@"keyUp:%@",[theEvent characters]); + if (![[theEvent window] isKindOfClass:[FLWindow class]]) // issue #1170 + return [super keyUp:theEvent]; fl_lock_function(); Fl_Window *window = (Fl_Window*)[(FLWindow*)[theEvent window] getFl_Window]; Fl::first_window(window);