From cd4df5cb270be177740bd6ab1fed60f68481002b Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Tue, 1 Dec 2015 17:06:14 -1000
Subject: [PATCH] Cocoa callback check

---
 lib/mac/WindowCocoa.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/mac/WindowCocoa.mm b/lib/mac/WindowCocoa.mm
index 5174565..94c7d3f 100644
--- a/lib/mac/WindowCocoa.mm
+++ b/lib/mac/WindowCocoa.mm
@@ -882,7 +882,8 @@ static boo::ESpecialKey translateKeycode(short code)
 {
     boo::SWindowRect rect = {{int(self.frame.origin.x), int(self.frame.origin.y)},
                              {int(self.frame.size.width), int(self.frame.size.height)}};
-    resp->booContext->m_callback->resized(rect);
+    if (resp->booContext->m_callback)
+        resp->booContext->m_callback->resized(rect);
     [super reshape];
 }