+ boost::optional<bool> override_solo_visibility () const;
+
+ PBD::ScopedConnectionList _config_connection;
+
+ void add_input_port (ARDOUR::DataType);
+ void add_output_port (ARDOUR::DataType);
+
+ bool _suspend_menu_callbacks;
+ bool level_meter_button_press (GdkEventButton *);
+ void popup_level_meter_menu (GdkEventButton *);
+ void add_level_meter_item_point (Gtk::Menu_Helpers::MenuList &, Gtk::RadioMenuItem::Group &, std::string const &, ARDOUR::MeterPoint);
+ void add_level_meter_item_type (Gtk::Menu_Helpers::MenuList &, Gtk::RadioMenuItem::Group &, std::string const &, ARDOUR::MeterType);
+ void set_meter_point (ARDOUR::MeterPoint);
+ void set_meter_type (ARDOUR::MeterType);
+ PBD::ScopedConnection _level_meter_connection;
+
+ std::string meter_point_string (ARDOUR::MeterPoint);