+
+ _canvas_bottom_rect = new ArdourCanvas::Rectangle (_track_canvas->root(), ArdourCanvas::Rect (0.0, 0.0, max_canvas_coordinate, 20));
+ /* this thing is transparent */
+ _canvas_bottom_rect->set_fill (false);
+ _canvas_bottom_rect->set_outline (false);
+ _canvas_bottom_rect->Event.connect (sigc::mem_fun (*this, &Editor::canvas_bottom_rect_event));
+