+void
+RouteTimeAxisView::update_track_number_visibility ()
+{
+ DisplaySuspender ds;
+ bool show_label = _session->config.get_track_name_number();
+
+ if (_route && _route->is_master()) {
+ show_label = false;
+ }
+
+ if (number_label.get_parent()) {
+ controls_table.remove (number_label);
+ }
+ if (show_label) {
+ if (ARDOUR::Profile->get_mixbus()) {
+ controls_table.attach (number_label, 3, 4, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 1, 0);
+ } else {
+ controls_table.attach (number_label, 0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 1, 0);
+ }
+ // see ArdourButton::on_size_request(), we should probably use a global size-group here instead.
+ // except the width of the number label is subtracted from the name-hbox, so we
+ // need to explictly calculate it anyway until the name-label & entry become ArdourWidgets.
+ int tnw = (2 + std::max(2u, _session->track_number_decimals())) * number_label.char_pixel_width();
+ if (tnw & 1) --tnw;
+ number_label.set_size_request(tnw, -1);
+ number_label.show ();
+ name_hbox.set_size_request(TimeAxisView::name_width_px - 2 - tnw, -1); // -2 = cellspacing
+ } else {
+ number_label.hide ();
+ name_hbox.set_size_request(TimeAxisView::name_width_px, -1);
+ }
+}
+
+void
+RouteTimeAxisView::parameter_changed (string const & p)
+{
+ if (p == "track-name-number") {
+ update_track_number_visibility();
+ }