From 99c2d589d11114a714a4296c6283b961972cd24d Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Mon, 6 Dec 2010 13:59:59 +0000
Subject: [PATCH] Don't crash if get_action() is called before the UI manager
 is created.  Sort-of fix for #3571.

git-svn-id: svn://localhost/ardour2/branches/3.0@8199 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/gtkmm2ext/actions.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/gtkmm2ext/actions.cc b/libs/gtkmm2ext/actions.cc
index e9ff15fa46..43a2a24d2d 100644
--- a/libs/gtkmm2ext/actions.cc
+++ b/libs/gtkmm2ext/actions.cc
@@ -237,6 +237,10 @@ ActionManager::get_action (const char* group_name, const char* action_name)
 	   gtkmm2.6, so we fall back to the C level.
 	*/
 
+	if (ui_manager == 0) {
+		return RefPtr<Action> ();
+	}
+
 	GList* list = gtk_ui_manager_get_action_groups (ui_manager->gobj());
 	GList* node;
 	RefPtr<Action> act;