+void
+RouteTimeAxisView::update_gain_track_visibility ()
+{
+ bool const showit = gain_automation_item->get_active();
+
+ if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
+ gain_track->set_marked_for_display (showit);
+
+ /* now trigger a redisplay */
+
+ if (!no_redraw) {
+ _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+ }
+ }
+}
+
+void
+RouteTimeAxisView::update_trim_track_visibility ()
+{
+ bool const showit = trim_automation_item->get_active();
+
+ if (showit != string_is_affirmative (trim_track->gui_property ("visible"))) {
+ trim_track->set_marked_for_display (showit);
+
+ /* now trigger a redisplay */
+
+ if (!no_redraw) {
+ _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+ }
+ }
+}
+
+void
+RouteTimeAxisView::update_mute_track_visibility ()
+{
+ bool const showit = mute_automation_item->get_active();
+
+ if (showit != string_is_affirmative (mute_track->gui_property ("visible"))) {
+ mute_track->set_marked_for_display (showit);
+
+ /* now trigger a redisplay */
+
+ if (!no_redraw) {
+ _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+ }
+ }
+}
+
+void
+RouteTimeAxisView::update_pan_track_visibility ()
+{
+ bool const showit = pan_automation_item->get_active();
+ bool changed = false;
+
+ for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
+ if ((*i)->set_marked_for_display (showit)) {
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+ }
+}
+
+void
+RouteTimeAxisView::ensure_pan_views (bool show)
+{
+ bool changed = false;
+ for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
+ changed = true;
+ (*i)->set_marked_for_display (false);
+ }
+ if (changed) {
+ _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+ }
+ pan_tracks.clear();
+
+ if (!_route->panner()) {
+ return;
+ }
+
+ set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
+ set<Evoral::Parameter>::iterator p;
+
+ for (p = params.begin(); p != params.end(); ++p) {
+ boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
+
+ if (pan_control->parameter().type() == NullAutomation) {
+ error << "Pan control has NULL automation type!" << endmsg;
+ continue;
+ }
+
+ if (automation_child (pan_control->parameter ()).get () == 0) {
+
+ /* we don't already have an AutomationTimeAxisView for this parameter */
+
+ std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
+
+ boost::shared_ptr<AutomationTimeAxisView> t (
+ new AutomationTimeAxisView (_session,
+ _route,
+ _route->pannable(),
+ pan_control,
+ pan_control->parameter (),
+ _editor,
+ *this,
+ false,
+ parent_canvas,
+ name)
+ );
+
+ pan_tracks.push_back (t);
+ add_automation_child (*p, t, show);
+ } else {
+ pan_tracks.push_back (automation_child (pan_control->parameter ()));
+ }
+ }
+}
+