Mac OS: fix possible crash when closing window with a callback that deletes it.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9182 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy 2011-11-22 14:48:47 +00:00
parent 1962c2b6ed
commit d92f2d765b

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@ -590,10 +590,12 @@ static void do_timer(CFRunLoopTimerRef timer, void* data)
- (BOOL)windowShouldClose:(FLWindow *)fl
{
fl_lock_function();
Fl::handle( FL_CLOSE, [fl getFl_Window] ); // this might or might not close the window
Fl_Window *to_close = [fl getFl_Window];
Fl::handle( FL_CLOSE, to_close ); // this might or might not close the window
Fl::do_widget_deletion();
if (!Fl_X::first) return YES;
Fl_Window *l = Fl::first_window();
while( l != NULL && l != [fl getFl_Window]) l = Fl::next_window(l);
while( l != NULL && l != to_close) l = Fl::next_window(l);
fl_unlock_function();
return (l == NULL ? YES : NO);
}
@ -1027,6 +1029,7 @@ void fl_open_callback(void (*cb)(const char *)) {
while ( Fl_X::first ) {
Fl_X *x = Fl_X::first;
Fl::handle( FL_CLOSE, x->w );
Fl::do_widget_deletion();
if ( Fl_X::first == x ) {
reply = NSTerminateCancel; // FLTK has not closed all windows, so we return to the main program now
break;