+ void switch_io (boost::shared_ptr<ARDOUR::Route>);
+ boost::shared_ptr<ARDOUR::Delivery> _current_delivery;
+ void revert_to_default_display ();
+
+ void drop_send ();
+ PBD::ScopedConnection send_gone_connection;
+
+ void reset_strip_style ();
+
+ static int scrollbar_height;
+
+ void update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool input_button);