+ void redisplay_track_list ();
+ bool no_track_list_redisplay;
+ bool track_display_button_press (GdkEventButton*);
+
+ void track_list_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
+ void track_list_delete (const Gtk::TreeModel::Path&);
+
+ void initial_track_display ();
+ void show_track_list_menu ();
+
+ void set_all_strips_visibility (bool yn);
+ void set_all_audio_visibility (int tracks, bool yn);
+
+ void hide_all_routes ();
+ void show_all_routes ();
+ void show_all_audiobus ();
+ void hide_all_audiobus ();
+ void show_all_audiotracks();
+ void hide_all_audiotracks ();
+
+ Gtk::Menu* mix_group_context_menu;
+ bool in_group_row_change;
+