Don't crash if get_action() is called before the UI manager is created. Sort-of...

git-svn-id: svn://localhost/ardour2/branches/3.0@8199 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/gtkmm2ext/actions.cc b/libs/gtkmm2ext/actions.cc
index e9ff15fa461f263934cdac1b2ced7713f3920110..43a2a24d2d900909ac1a834a869363cc9bf5c2d1 100644 (file)
--- 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;