From: Diederick Niehorster <dcnieho@gmail.com>
Date: Fri, 20 Jul 2012 06:48:05 +0000 (+0000)
Subject: need to check for NULL as well....
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=commitdiff_plain;h=e45ee355b7f04085575b5b77fa6e1eeda2285d3c;p=freeglut

need to check for NULL as well....


git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1349 7f0cb862-5218-0410-a997-914c9d46530a
---

diff --git a/src/mswin/fg_main_mswin.c b/src/mswin/fg_main_mswin.c
index 4fe5538..c777b46 100644
--- a/src/mswin/fg_main_mswin.c
+++ b/src/mswin/fg_main_mswin.c
@@ -251,7 +251,8 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
         GetCursorPos( &mouse_pos );
         ScreenToClient( window->Window.Handle, &mouse_pos );
         hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
-        window = fgWindowByHandle(hwnd);
+        if (hwnd)   /* can be NULL if mouse outside parent by the time we get here */
+            window = fgWindowByHandle(hwnd);
     }
 
     if ( window )