Try to fix crash on exit with the preferences dialog open (only appears on OS X).

diff --git a/src/tools/dcpomatic.cc b/src/tools/dcpomatic.cc
index 6b7ad027303392c638fffc043916150ef2b266d8..c3dd8cd582231739f4b158bd63b24effa458ef66 100644 (file)
--- a/src/tools/dcpomatic.cc
+++ b/src/tools/dcpomatic.cc
@@ -163,7 +163,7 @@ public:
                setup_menu (bar);
                SetMenuBar (bar);
 
-               Config::instance()->Changed.connect (boost::bind (&Frame::config_changed, this));
+               _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&Frame::config_changed, this));
                config_changed ();
 
                Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_new, this),                ID_file_new);
@@ -515,8 +515,13 @@ private:
                        return;
                }
 
+               /* We don't want to hear about any more configuration changes, since they
+                  cause the File menu to be altered, which itself will be deleted around
+                  now (without, as far as I can see, any way for us to find out).
+               */
+               _config_changed_connection.disconnect ();
+               
                maybe_save_then_delete_film ();
-
                ev.Skip ();
        }
 
@@ -684,6 +689,7 @@ private:
        int _history_items;
        int _history_position;
        wxMenuItem* _history_separator;
+       boost::signals2::scoped_connection _config_changed_connection;
 };
 
 static const wxCmdLineEntryDesc command_line_description[] = {