From f89593d0de0e3114b6dd401165f47549b9fd87be Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 18 Mar 2019 13:07:55 +0100
Subject: Avoid crash when messages canBecomeKeyWindow or canBecomeMainWindow
 received by closed window.

---
 src/Fl_cocoa.mm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index ada24a1e3..77a326a7c 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -658,7 +658,7 @@ void Fl_Cocoa_Screen_Driver::breakMacEventLoop()
   if (Fl::modal_ && (Fl::modal_ != w))
     return NO;	// prevent the caption to be redrawn as active on click
 		//  when another modal window is currently the key win
-  return !(w->tooltip_window() || w->menu_window() || w->parent());
+  return !(!w || w->tooltip_window() || w->menu_window() || w->parent());
 }
 
 - (BOOL)canBecomeMainWindow
@@ -667,7 +667,7 @@ void Fl_Cocoa_Screen_Driver::breakMacEventLoop()
     return NO;	// prevent the caption to be redrawn as active on click
 		//  when another modal window is currently the key win
 
-  return !(w->tooltip_window() || w->menu_window() || w->parent());
+  return !(!w || w->tooltip_window() || w->menu_window() || w->parent());
 }
 
 - (void)recursivelySendToSubwindows:(SEL)sel
-- 
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