+ static PBD::Signal1<void,Marker*> CatchDeletion;
+
+ ArdourCanvas::Item& the_item() const;
+
+ void add_line (ArdourCanvas::Group*, double y_origin, double initial_height);
+ void show_line ();
+ void hide_line ();
+ void set_line_vpos (double y_origin, double height);
+
+ void set_position (nframes64_t);
+ void set_name (const std::string&);