commit 53d9614adbb728fc4db983c9bb817c6eea870994
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Mon Sep 26 10:46:50 2022 +0200
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Mon Sep 26 10:46:50 2022 +0200

    Fix crash under macOS 13 Ventura public beta 6 when closing menu window.
    Bizarrely, an NSMouseEntered event arrives returning nil to [event window]!

 src/Fl_cocoa.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git src/Fl_cocoa.mm src/Fl_cocoa.mm
index b7b7d22..47be438 100644
--- src/Fl_cocoa.mm
+++ src/Fl_cocoa.mm
@@ -975,7 +975,7 @@ static void cocoaMouseHandler(NSEvent *theEvent)
   fl_lock_function();
 
   Fl_Window *window = (Fl_Window*)[(FLWindow*)[theEvent window] getFl_Window];
-  if ( !window->shown() ) {
+  if (!window || !window->shown() ) {
     fl_unlock_function();
     return;
   }