-
- if (showit != (*i)->marked_for_display()) {
- if (showit) {
- (*i)->set_marked_for_display (true);
- (*i)->canvas_display()->show();
- (*i)->canvas_background()->show();
- (*i)->get_state_node()->add_property ("shown", X_("yes"));
- } else {
- (*i)->set_marked_for_display (false);
- (*i)->hide ();
- (*i)->get_state_node()->add_property ("shown", X_("no"));
- }
-
- /* now trigger a redisplay */
- if (!no_redraw) {
- _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
- }