From 178ce417ee273a9e1f5ffd5e1df50e5120b4d466 Mon Sep 17 00:00:00 2001
From: Jonathan Moore Liles <j.liles@unix.net>
Date: Sun, 17 Jan 2010 12:16:41 -0600
Subject: [PATCH] Don't die if user picks a popup menu item with no callback
 set (e.g. a submenu node).

---
 FL/menu_popup.C | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/FL/menu_popup.C b/FL/menu_popup.C
index d37b6a7..7e3dd05 100644
--- a/FL/menu_popup.C
+++ b/FL/menu_popup.C
@@ -30,7 +30,8 @@ menu_popup ( Fl_Menu_ *m )
     if ( r )
     {
         m->value( r );
-        r->do_callback( static_cast<Fl_Widget*>(m) );
+        if ( r->callback() )
+            r->do_callback( static_cast<Fl_Widget*>(m) );
         return true;
     }