changes to help strp silence
[ardour.git] / gtk2_ardour / audio_time_axis.cc
index 5f6d29f9ffcd201841115141b3a2fd6f03cb30fa..af6cfda927a1ef9b006e03e4fb40e0bdf721f8b3 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000-2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <cstdlib>
 #include <cmath>
+#include <cassert>
 
 #include <algorithm>
 #include <string>
@@ -27,9 +27,9 @@
 
 #include <sigc++/bind.h>
 
-#include <pbd/error.h>
-#include <pbd/stl_delete.h>
-#include <pbd/whitespace.h>
+#include "pbd/error.h"
+#include "pbd/stl_delete.h"
+#include "pbd/memento_command.h"
 
 #include <gtkmm2ext/gtk_ui.h>
 #include <gtkmm2ext/selector.h>
 #include <gtkmm2ext/bindable_button.h>
 #include <gtkmm2ext/utils.h>
 
-#include <ardour/audioplaylist.h>
-#include <ardour/audio_diskstream.h>
-#include <ardour/insert.h>
-#include <ardour/ladspa_plugin.h>
-#include <ardour/location.h>
-#include <ardour/panner.h>
-#include <ardour/playlist.h>
-#include <ardour/session.h>
-#include <ardour/session_playlist.h>
-#include <ardour/utils.h>
+#include "ardour/amp.h"
+#include "ardour/audio_diskstream.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/event_type_map.h"
+#include "ardour/location.h"
+#include "ardour/panner.h"
+#include "ardour/playlist.h"
+#include "ardour/processor.h"
+#include "ardour/profile.h"
+#include "ardour/session.h"
+#include "ardour/session_playlist.h"
+#include "ardour/utils.h"
 
 #include "ardour_ui.h"
 #include "audio_time_axis.h"
-#include "automation_gain_line.h"
-#include "automation_pan_line.h"
-#include "automation_time_axis.h"
+#include "automation_line.h"
 #include "canvas_impl.h"
 #include "crossfade_view.h"
 #include "enums.h"
-#include "gain_automation_time_axis.h"
 #include "gui_thread.h"
+#include "automation_time_axis.h"
 #include "keyboard.h"
-#include "pan_automation_time_axis.h"
 #include "playlist_selector.h"
-#include "plugin_selector.h"
-#include "plugin_ui.h"
-#include "point_selection.h"
 #include "prompter.h"
 #include "public_editor.h"
-#include "redirect_automation_line.h"
-#include "redirect_automation_time_axis.h"
-#include "regionview.h"
-#include "rgb_macros.h"
-#include "selection.h"
+#include "audio_region_view.h"
 #include "simplerect.h"
-#include "streamview.h"
+#include "audio_streamview.h"
 #include "utils.h"
 
-#include <ardour/audio_track.h>
+#include "ardour/audio_track.h"
 
 #include "i18n.h"
 
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
-using namespace LADSPA;
 using namespace Gtk;
 using namespace Editing;
 
-
-AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
-       : AxisView(sess),
-         RouteUI(rt, sess, _("m"), _("s"), _("r")), // mute, solo, and record
-         TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
-         parent_canvas (canvas),
-         button_table (3, 3),
-         edit_group_button (_("g")), // group
-         playlist_button (_("p")), 
-         size_button (_("h")), // height
-         automation_button (_("a")),
-         visual_button (_("v"))
-
+AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, boost::shared_ptr<Route> rt, Canvas& canvas)
+       : AxisView(sess)
+       , RouteTimeAxisView(ed, sess, rt, canvas)
 {
-       _has_state = true;
-       subplugin_menu.set_name ("ArdourContextMenu");
-       playlist_menu = 0;
-       playlist_action_menu = 0;
-       automation_action_menu = 0;
-       gain_track = 0;
-       pan_track = 0;
-       view = 0;
-       timestretch_rect = 0;
-       waveform_item = 0;
-       pan_automation_item = 0;
-       gain_automation_item = 0;
-       no_redraw = false;
+       // Make sure things are sane...
+       assert(!is_track() || is_audio_track());
 
-       view = new StreamView (*this);
+       subplugin_menu.set_name ("ArdourContextMenu");
 
-       add_gain_automation_child ();
-       add_pan_automation_child ();
+       _view = new AudioStreamView (*this);
 
        ignore_toggle = false;
 
        mute_button->set_active (false);
        solo_button->set_active (false);
-       
-       mute_button->set_name ("TrackMuteButton");
-       solo_button->set_name ("SoloButton");
-       edit_group_button.set_name ("TrackGroupButton");
-       playlist_button.set_name ("TrackPlaylistButton");
-       automation_button.set_name ("TrackAutomationButton");
-       size_button.set_name ("TrackSizeButton");
-       visual_button.set_name ("TrackVisualButton");
-       hide_button.set_name ("TrackRemoveButton");
-
-       hide_button.add (*(manage (new Image (get_xpm("small_x.xpm")))));
-
-       solo_button->signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       mute_button->signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       playlist_button.signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       automation_button.signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       size_button.signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       visual_button.signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-       hide_button.signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-
-       solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
-       solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
-       mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
-       mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
-       edit_group_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::edit_click), false);
-       playlist_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::playlist_click));
-       automation_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::automation_click));
-       size_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::size_click), false);
-       visual_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::visual_click));
-       hide_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::hide_click));
 
        if (is_audio_track()) {
-               rec_enable_button->set_active (false);
-               rec_enable_button->set_name ("TrackRecordEnableButton");
-               rec_enable_button->signal_button_press_event().connect (mem_fun (*this, &AudioTimeAxisView::select_me), false);
-               rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
-               controls_table.attach (*rec_enable_button, 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-               ARDOUR_UI::instance()->tooltips().set_tip(*rec_enable_button, _("Record"));
-       }
-
-       controls_table.attach (*mute_button, 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-       controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::FILL|Gtk::EXPAND, 0, 0);
-
-       controls_table.attach (edit_group_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-
-       ARDOUR_UI::instance()->tooltips().set_tip(*solo_button,_("Solo"));
-       ARDOUR_UI::instance()->tooltips().set_tip(*mute_button,_("Mute"));
-       ARDOUR_UI::instance()->tooltips().set_tip(edit_group_button,_("Edit Group"));
-       ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height"));
-       ARDOUR_UI::instance()->tooltips().set_tip(playlist_button,_("Playlist"));
-       ARDOUR_UI::instance()->tooltips().set_tip(automation_button, _("Automation"));
-       ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options"));
-       ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track"));
-       
-       label_view ();
-
-       controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
-       controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
-       controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
-       controls_table.attach (automation_button, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
-
-       if (is_audio_track() && audio_track()->mode() == ARDOUR::Normal) {
-               controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
+               controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
+       } else { // bus
+               controls_ebox.set_name ("AudioBusControlsBaseUnselected");
        }
 
-       /* remove focus from the buttons */
-       
-       automation_button.unset_flags (Gtk::CAN_FOCUS);
-       solo_button->unset_flags (Gtk::CAN_FOCUS);
-       mute_button->unset_flags (Gtk::CAN_FOCUS);
-       edit_group_button.unset_flags (Gtk::CAN_FOCUS);
-       size_button.unset_flags (Gtk::CAN_FOCUS);
-       playlist_button.unset_flags (Gtk::CAN_FOCUS);
-       hide_button.unset_flags (Gtk::CAN_FOCUS);
-       visual_button.unset_flags (Gtk::CAN_FOCUS);
-
-       /* map current state of the route */
-
-       update_diskstream_display ();
-       solo_changed(0);
-       mute_changed(0);
-       redirects_changed (0);
-       reset_redirect_automation_curves ();
-       y_position = -1;
-
        ensure_xml_node ();
 
-       set_state (*xml_node);
-       
-       _route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
-       _route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
-       _route->redirects_changed.connect (mem_fun(*this, &AudioTimeAxisView::redirects_changed));
-       _route->name_changed.connect (mem_fun(*this, &AudioTimeAxisView::route_name_changed));
-       _route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
-       _route->panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
+       set_state (*xml_node, Stateful::loading_state_version);
 
-       if (is_audio_track()) {
+       /* if set_state above didn't create a gain automation child, we need to make one */
+       if (automation_track (GainAutomation) == 0) {
+               create_automation_child (GainAutomation, false);
+       }
 
-               /* track */
+       if (_route->panner()) {
+               _route->panner()->Changed.connect (*this, boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
+       }
 
-               audio_track()->FreezeChange.connect (mem_fun(*this, &AudioTimeAxisView::map_frozen));
+       /* map current state of the route */
 
-               audio_track()->diskstream_changed.connect (mem_fun(*this, &AudioTimeAxisView::diskstream_changed));
-               get_diskstream()->speed_changed.connect (mem_fun(*this, &AudioTimeAxisView::speed_changed));
+       processors_changed (RouteProcessorChange ());
+       reset_processor_automation_curves ();
+       ensure_pan_views (false);
+       update_control_names ();
 
-               controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
-               controls_base_selected_name = "AudioTrackControlsBaseSelected";
-               controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
+       if (is_audio_track()) {
 
                /* ask for notifications of any new RegionViews */
+               _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 
-               view->AudioRegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
-
-               view->attach ();
-
-               /* pick up the correct freeze state */
-
-               map_frozen ();
+               if (!_editor.have_idled()) {
+                       /* first idle will do what we need */
+               } else {
+                       first_idle ();
+               }
 
        } else {
-
-               /* bus */
-
-               controls_ebox.set_name ("BusControlsBaseUnselected");
-               controls_base_selected_name = "BusControlsBaseSelected";
-               controls_base_unselected_name = "BusControlsBaseUnselected";
+               post_construct ();
        }
-
-       editor.ZoomChanged.connect (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
-       ColorChanged.connect (mem_fun (*this, &AudioTimeAxisView::color_handler));
 }
 
 AudioTimeAxisView::~AudioTimeAxisView ()
 {
-       GoingAway (); /* EMIT_SIGNAL */
-
-       if (playlist_menu) {
-               delete playlist_menu;
-               playlist_menu = 0;
-       }
-  
-       if (playlist_action_menu) {
-               delete playlist_action_menu;
-               playlist_action_menu = 0;
-       }
-
-       vector_delete (&redirect_automation_curves);
+}
 
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-               delete *i;
-       }
+void
+AudioTimeAxisView::first_idle ()
+{
+       _view->attach ();
+       post_construct ();
+}
 
-       if (view) {
-               delete view;
-               view = 0;
-       }
+AudioStreamView*
+AudioTimeAxisView::audio_view()
+{
+       return dynamic_cast<AudioStreamView*>(_view);
 }
 
 guint32
 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 {
        ensure_xml_node ();
-       xml_node->add_property ("shown_editor", "yes");
-               
+       xml_node->add_property ("shown-editor", "yes");
+
        return TimeAxisView::show_at (y, nth, parent);
 }
 
@@ -293,1690 +165,325 @@ void
 AudioTimeAxisView::hide ()
 {
        ensure_xml_node ();
-       xml_node->add_property ("shown_editor", "no");
+       xml_node->add_property ("shown-editor", "no");
 
        TimeAxisView::hide ();
 }
 
-void
-AudioTimeAxisView::set_playlist (AudioPlaylist *newplaylist)
-{
-       AudioPlaylist *pl;
-
-       modified_connection.disconnect ();
-       state_changed_connection.disconnect ();
-       
-       if ((pl = dynamic_cast<AudioPlaylist*> (playlist())) != 0) {
-               state_changed_connection = pl->StateChanged.connect (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed));
-               modified_connection = pl->Modified.connect (mem_fun(*this, &AudioTimeAxisView::playlist_modified));
-       }
-}
 
 void
-AudioTimeAxisView::playlist_modified ()
-{
-}
-
-gint
-AudioTimeAxisView::edit_click (GdkEventButton *ev)
+AudioTimeAxisView::append_extra_display_menu_items ()
 {
-       if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
-               _route->set_edit_group (0, this);
-               return FALSE;
-       } 
-
        using namespace Menu_Helpers;
 
-       MenuList& items = edit_group_menu.items ();
-       RadioMenuItem::Group group;
+       MenuList& items = display_menu->items();
 
-       items.clear ();
-       items.push_back (RadioMenuElem (group, _("No group"), 
-                                       bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
-       
-       if (_route->edit_group() == 0) {
-               static_cast<RadioMenuItem*>(&items.back())->set_active ();
+       // crossfade stuff
+       if (!Profile->get_sae()) {
+               items.push_back (MenuElem (_("Hide all crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
+               items.push_back (MenuElem (_("Show all crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
        }
-       
-       _session.foreach_edit_group (bind (mem_fun (*this, &AudioTimeAxisView::add_edit_group_menu_item), &group));
-       edit_group_menu.popup (ev->button, ev->time);
-
-       return FALSE;
 }
 
-void
-AudioTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
+Gtk::Menu*
+AudioTimeAxisView::build_mode_menu()
 {
        using namespace Menu_Helpers;
 
-       MenuList &items = edit_group_menu.items();
-
-       cerr << "adding edit group called " << eg->name() << endl;
-
-       items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), eg)));
-       if (_route->edit_group() == eg) {
-               static_cast<RadioMenuItem*>(&items.back())->set_active ();
-       }
-}
-
-void
-AudioTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
+       Menu* mode_menu = manage (new Menu);
+       MenuList& items = mode_menu->items();
+       mode_menu->set_name ("ArdourContextMenu");
 
-{
-       _route->set_edit_group (eg, this);
-}
+       RadioMenuItem::Group mode_group;
 
-void
-AudioTimeAxisView::playlist_state_changed (Change ignored)
-{
-       // ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed), ignored));
-       // why are we here ?
-}
+       items.push_back (RadioMenuElem (mode_group, _("Normal"),
+                               sigc::bind (sigc::mem_fun (*this, &AudioTimeAxisView::set_track_mode), ARDOUR::Normal)));
+       normal_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 
-void
-AudioTimeAxisView::playlist_changed ()
+       items.push_back (RadioMenuElem (mode_group, _("Non Overlapping"),
+                               sigc::bind (sigc::mem_fun (*this, &AudioTimeAxisView::set_track_mode), ARDOUR::NonLayered)));
+       non_layered_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 
-{
-       label_view ();
+       items.push_back (RadioMenuElem (mode_group, _("Tape"),
+                               sigc::bind (sigc::mem_fun (*this, &AudioTimeAxisView::set_track_mode), ARDOUR::Destructive)));
+       destructive_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 
-       if (is_audio_track()) {
-               set_playlist (get_diskstream()->playlist());
+       switch (track()->mode()) {
+               case ARDOUR::Destructive:
+                       destructive_track_mode_item->set_active ();
+                       break;
+               case ARDOUR::NonLayered:
+                       non_layered_track_mode_item->set_active ();
+                       break;
+               case ARDOUR::Normal:
+                       normal_track_mode_item->set_active ();
+                       break;
        }
+
+       return mode_menu;
 }
 
 void
-AudioTimeAxisView::label_view ()
+AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 {
-       string x = _route->name();
+       AudioStreamView* asv = audio_view();
 
-       if (x != name_entry.get_text()) {
-               name_entry.set_text (x);
+       if (asv) {
+               asv->set_show_waveforms_recording (yn);
        }
-
-       ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 }
 
 void
-AudioTimeAxisView::route_name_changed (void *src)
+AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 {
-       editor.route_name_changed (this);
-       label_view ();
-}
+       if (param.type() == GainAutomation) {
 
-void
-AudioTimeAxisView::take_name_changed (void *src)
+               boost::shared_ptr<AutomationControl> c = _route->gain_control();
+               if (!c) {
+                       error << "Route has no gain automation, unable to add automation track view." << endmsg;
+                       return;
+               }
 
-{
-       if (src != this) {
-               label_view ();
-       }
-}
+               boost::shared_ptr<AutomationTimeAxisView>
+                       gain_track(new AutomationTimeAxisView (_session,
+                                                              _route, _route->amp(), c,
+                                                              _editor,
+                                                              *this,
+                                                              false,
+                                                              parent_canvas,
+                                                              _route->amp()->describe_parameter(param)));
 
-void
-AudioTimeAxisView::playlist_click ()
-{
-       // always build a new action menu
-       
-       if (playlist_action_menu == 0) {
-               playlist_action_menu = new Menu;
-               playlist_action_menu->set_name ("ArdourContextMenu");
-       }
-       
-       build_playlist_menu(playlist_action_menu);
+               add_automation_child(Evoral::Parameter(GainAutomation), gain_track, show);
 
-       playlist_action_menu->popup (1, 0);
-}
+       } else if (param.type() == PanAutomation) {
 
-void
-AudioTimeAxisView::automation_click ()
-{
-       if (automation_action_menu == 0) {
-               /* this seems odd, but the automation action
-                  menu is built as part of the display menu.
-               */
-               build_display_menu ();
+               ensure_xml_node ();
+               ensure_pan_views (show);
+
+       } else {
+               error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
        }
-       automation_action_menu->popup (1, 0);
 }
 
+/** Ensure that we have the appropriate AutomationTimeAxisViews for the
+ *  panners that we have.
+ *
+ *  @param show true to show any new views that we create, otherwise false.
+ */
 void
-AudioTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
+AudioTimeAxisView::ensure_pan_views (bool show)
 {
-       double x1;
-       double x2;
-       double y2;
-       
-       TimeAxisView::show_timestretch (start, end);
-
-       hide_timestretch ();
-
-#if 0  
-       if (ts.empty()) {
+       if (!_route->panner()) {
                return;
        }
 
+       const set<Evoral::Parameter>& params = _route->panner()->what_can_be_automated();
+       set<Evoral::Parameter>::iterator p;
 
-       /* check that the time selection was made in our route, or our edit group.
-          remember that edit_group() == 0 implies the route is *not* in a edit group.
-       */
+       for (p = params.begin(); p != params.end(); ++p) {
+               boost::shared_ptr<ARDOUR::AutomationControl> pan_control
+                       = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
+                               _route->panner()->control(*p));
 
-       if (!(ts.track == this || (ts.group != 0 && ts.group == _route->edit_group()))) {
-               /* this doesn't apply to us */
-               return;
-       }
+               if (pan_control->parameter().type() == NullAutomation) {
+                       error << "Pan control has NULL automation type!" << endmsg;
+                       continue;
+               }
 
-       /* ignore it if our edit group is not active */
-       
-       if ((ts.track != this) && _route->edit_group() && !_route->edit_group()->is_active()) {
-               return;
-       }
-#endif
+               if (automation_child (pan_control->parameter ()).get () == 0) {
 
-       if (timestretch_rect == 0) {
-               timestretch_rect = new SimpleRect (*canvas_display);
-               timestretch_rect->property_x1() =  0.0;
-               timestretch_rect->property_y1() =  0.0;
-               timestretch_rect->property_x2() =  0.0;
-               timestretch_rect->property_y2() =  0.0;
-               timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
-               timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
-       }
+                       /* we don't already have an AutomationTimeAxisView for this parameter */
 
-       timestretch_rect->show ();
-       timestretch_rect->raise_to_top ();
-
-       x1 = start / editor.get_current_zoom();
-       x2 = (end - 1) / editor.get_current_zoom();
-       y2 = height - 2;
-       
-       timestretch_rect->property_x1() = x1;
-       timestretch_rect->property_y1() = 1.0;
-       timestretch_rect->property_x2() = x2;
-       timestretch_rect->property_y2() = y2;
-}
+                       std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 
-void
-AudioTimeAxisView::hide_timestretch ()
-{
-       TimeAxisView::hide_timestretch ();
+                       boost::shared_ptr<AutomationTimeAxisView> pan_track (
+                               new AutomationTimeAxisView (_session,
+                                                           _route, _route->panner(), pan_control,
+                                                           _editor,
+                                                           *this,
+                                                           false,
+                                                           parent_canvas,
+                                                           name));
 
-       if (timestretch_rect) {
-               timestretch_rect->hide ();
+                       add_automation_child (*p, pan_track, show);
+               }
        }
 }
-
-void
-AudioTimeAxisView::show_selection (TimeSelection& ts)
-{
-
 #if 0
-       /* ignore it if our edit group is not active or if the selection was started
-          in some other track or edit group (remember that edit_group() == 0 means
-          that the track is not in an edit group).
-       */
-
-       if (((ts.track != this && !is_child (ts.track)) && _route->edit_group() && !_route->edit_group()->is_active()) ||
-           (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route->edit_group())))) {
-               hide_selection ();
-               return;
-       }
-#endif
-
-       TimeAxisView::show_selection (ts);
-}
-
 void
-AudioTimeAxisView::set_state (const XMLNode& node)
+AudioTimeAxisView::toggle_gain_track ()
 {
-       const XMLProperty *prop;
-       
-       TimeAxisView::set_state (node);
-       
-       if ((prop = node.property ("shown_editor")) != 0) {
-               if (prop->value() == "no") {
-                       _marked_for_display = false;
+       bool showit = gain_automation_item->get_active();
+
+       if (showit != gain_track->marked_for_display()) {
+               if (showit) {
+                       gain_track->set_marked_for_display (true);
+                       gain_track->canvas_display->show();
+                       gain_track->canvas_background->show();
+                       gain_track->get_state_node()->add_property ("shown", X_("yes"));
                } else {
-                       _marked_for_display = true;
-               }
-       } else {
-               _marked_for_display = true;
-       }
-       
-       XMLNodeList nlist = node.children();
-       XMLNodeConstIterator niter;
-       XMLNode *child_node;
-       
-       
-       show_gain_automation = false;
-       show_pan_automation  = false;
-       
-       for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-               child_node = *niter;
-
-               if (child_node->name() == "gain") {
-                       XMLProperty *prop=child_node->property ("shown");
-                       
-                       if (prop != 0) {
-                               if (prop->value() == "yes") {
-                                       show_gain_automation = true;
-                               }
-                       }
-                       continue;
+                       gain_track->set_marked_for_display (false);
+                       gain_track->hide ();
+                       gain_track->get_state_node()->add_property ("shown", X_("no"));
                }
-               
-               if (child_node->name() == "pan") {
-                       XMLProperty *prop=child_node->property ("shown");
-                       
-                       if (prop != 0) {
-                               if (prop->value() == "yes") {
-                                       show_pan_automation = true;
-                               }                       
-                       }
-                       continue;
+
+               /* now trigger a redisplay */
+
+               if (!no_redraw) {
+                        _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
                }
        }
 }
 
 void
-AudioTimeAxisView::set_height (TrackHeight h)
+AudioTimeAxisView::gain_hidden ()
 {
-       bool height_changed = (height == 0) || (h != height_style);
-
-       TimeAxisView::set_height (h);
-
-       ensure_xml_node ();
+       gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 
-       view->set_height ((double) height);
-
-       switch (height_style) {
-       case Largest:
-               xml_node->add_property ("track_height", "largest");
-               show_name_entry ();
-               hide_name_label ();
-               controls_table.show_all();
-               break;
-       case Large:
-               xml_node->add_property ("track_height", "large");
-               show_name_entry ();
-               hide_name_label ();
-               controls_table.show_all();
-               break;
-       case Larger:
-               xml_node->add_property ("track_height", "larger");
-               show_name_entry ();
-               hide_name_label ();
-               controls_table.show_all();
-               break;
-       case Normal:
-               xml_node->add_property ("track_height", "normal");
-               show_name_entry ();
-               hide_name_label ();
-               controls_table.show_all();
-               break;
-       case Smaller:
-               xml_node->add_property ("track_height", "smaller");
-               controls_table.show_all ();
-               show_name_entry ();
-               hide_name_label ();
-               edit_group_button.hide ();
-               hide_button.hide ();
-               visual_button.hide ();
-               size_button.hide ();
-               automation_button.hide ();
-               playlist_button.hide ();
-               break;
-       case Small:
-               xml_node->add_property ("track_height", "small");
-               controls_table.hide_all ();
-               controls_table.show ();
-               hide_name_entry ();
-               show_name_label ();
-               name_label.set_text (_route->name());
-               break;
+       if (gain_automation_item && !_hidden) {
+               gain_automation_item->set_active (false);
        }
 
-       if (height_changed) {
-               /* only emit the signal if the height really changed */
-                _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-       }
+        _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-AudioTimeAxisView::select_track_color ()
+AudioTimeAxisView::toggle_pan_track ()
 {
-       if (RouteUI::choose_color ()) {
+       bool showit = pan_automation_item->get_active();
 
-               if (view) {
-                       view->apply_color (_color, StreamView::RegionColor);
+       if (showit != pan_track->marked_for_display()) {
+               if (showit) {
+                       pan_track->set_marked_for_display (true);
+                       pan_track->canvas_display->show();
+                       pan_track->canvas_background->show();
+                       pan_track->get_state_node()->add_property ("shown", X_("yes"));
+               } else {
+                       pan_track->set_marked_for_display (false);
+                       pan_track->hide ();
+                       pan_track->get_state_node()->add_property ("shown", X_("no"));
                }
-       }
-}
 
-void
-AudioTimeAxisView::reset_redirect_automation_curves ()
-{
-       for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
-               (*i)->reset();
+               /* now trigger a redisplay */
        }
 }
+#endif
 
 void
-AudioTimeAxisView::reset_samples_per_unit ()
+AudioTimeAxisView::show_all_automation ()
 {
-       set_samples_per_unit (editor.get_current_zoom());
-}
+       no_redraw = true;
 
-void
-AudioTimeAxisView::set_samples_per_unit (double spu)
-{
-       double speed = 1.0;
+       RouteTimeAxisView::show_all_automation ();
 
-       if (get_diskstream() != 0) {
-               speed = get_diskstream()->speed();
-       }
-       
-       if (view) {
-               view->set_samples_per_unit (spu * speed);
-       }
+       no_redraw = false;
 
-       TimeAxisView::set_samples_per_unit (spu * speed);
+        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-AudioTimeAxisView::build_display_menu ()
+AudioTimeAxisView::show_existing_automation ()
 {
-       using namespace Menu_Helpers;
-
-       /* get the size menu ready */
-
-       build_size_menu ();
-
-       /* prepare it */
-
-       TimeAxisView::build_display_menu ();
-
-       /* now fill it with our stuff */
-
-       MenuList& items = display_menu->items();
-       display_menu->set_name ("ArdourContextMenu");
-       
-       items.push_back (MenuElem (_("Height"), *size_menu));
-       items.push_back (MenuElem (_("Color"), mem_fun(*this, &AudioTimeAxisView::select_track_color)));
-
-
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
-       items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
-       items.push_back (SeparatorElem());
-
-       build_remote_control_menu ();
-       items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
-
-       automation_action_menu = manage (new Menu);
-       MenuList& automation_items = automation_action_menu->items();
-       automation_action_menu->set_name ("ArdourContextMenu");
-       
-       automation_items.push_back (MenuElem (_("Show all automation"),
-                                             mem_fun(*this, &AudioTimeAxisView::show_all_automation)));
-
-       automation_items.push_back (MenuElem (_("Show existing automation"),
-                                             mem_fun(*this, &AudioTimeAxisView::show_existing_automation)));
-
-       automation_items.push_back (MenuElem (_("Hide all automation"),
-                                             mem_fun(*this, &AudioTimeAxisView::hide_all_automation)));
-
-       automation_items.push_back (SeparatorElem());
-
-       automation_items.push_back (CheckMenuElem (_("Fader"), 
-                                                  mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
-       gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
-       gain_automation_item->set_active(show_gain_automation);
-
-       automation_items.push_back (CheckMenuElem (_("Pan"),
-                                                  mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
-       pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
-       pan_automation_item->set_active(show_pan_automation);
-
-       automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
-
-       items.push_back (MenuElem (_("Automation"), *automation_action_menu));
-
-       Menu *waveform_menu = manage(new Menu);
-       MenuList& waveform_items = waveform_menu->items();
-       waveform_menu->set_name ("ArdourContextMenu");
-       
-       waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
-       waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
-       ignore_toggle = true;
-       waveform_item->set_active (editor.show_waveforms());
-       ignore_toggle = false;
-
-       RadioMenuItem::Group group;
-
-       waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
-       traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
-
-       waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
-       rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
-
-       items.push_back (MenuElem (_("Waveform"), *waveform_menu));
-
-       if (is_audio_track()) {
-
-               Menu* alignment_menu = manage (new Menu);
-               MenuList& alignment_items = alignment_menu->items();
-               alignment_menu->set_name ("ArdourContextMenu");
-
-               RadioMenuItem::Group align_group;
-               
-               alignment_items.push_back (RadioMenuElem (align_group, _("Align with existing material"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), ExistingMaterial)));
-               align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
-               if (get_diskstream()->alignment_style() == ExistingMaterial) {
-                       align_existing_item->set_active();
-               }
-               alignment_items.push_back (RadioMenuElem (align_group, _("Align with capture time"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), CaptureTime)));
-               align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
-               if (get_diskstream()->alignment_style() == CaptureTime) {
-                       align_capture_item->set_active();
-               }
-               
-               items.push_back (MenuElem (_("Alignment"), *alignment_menu));
-
-               get_diskstream()->AlignmentStyleChanged.connect (mem_fun(*this, &AudioTimeAxisView::align_style_changed));
-       }
+       no_redraw = true;
 
-       items.push_back (SeparatorElem());
-       items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
-       route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
-       route_active_menu_item->set_active (_route->active());
+       RouteTimeAxisView::show_existing_automation ();
 
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
+       no_redraw = false;
 
+        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-AudioTimeAxisView::align_style_changed ()
+AudioTimeAxisView::hide_all_automation ()
 {
-       switch (get_diskstream()->alignment_style()) {
-       case ExistingMaterial:
-               if (!align_existing_item->get_active()) {
-                       align_existing_item->set_active();
-               }
-               break;
-       case CaptureTime:
-               if (!align_capture_item->get_active()) {
-                       align_capture_item->set_active();
-               }
-               break;
-       }
-}
+       no_redraw = true;
 
-void
-AudioTimeAxisView::set_align_style (AlignStyle style)
-{
-       get_diskstream()->set_align_style (style);
+       RouteTimeAxisView::hide_all_automation();
+
+       no_redraw = false;
+        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-AudioTimeAxisView::rename_current_playlist ()
+AudioTimeAxisView::show_all_xfades ()
 {
-       ArdourPrompter prompter (true);
-       string name;
-
-       AudioPlaylist *pl;
-       AudioDiskstream *ds;
-
-       if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
-               return;
-       }
-
-       prompter.set_prompt (_("Name for playlist"));
-       prompter.set_initial_text (pl->name());
-       prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
-       prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
+       AudioStreamView* asv = audio_view();
 
-       switch (prompter.run ()) {
-       case Gtk::RESPONSE_ACCEPT:
-               prompter.get_result (name);
-               if (name.length()) {
-                       pl->set_name (name);
-               }
-               break;
-
-       default:
-               break;
+       if (asv) {
+               asv->show_all_xfades ();
        }
 }
 
 void
-AudioTimeAxisView::use_copy_playlist (bool prompt)
+AudioTimeAxisView::hide_all_xfades ()
 {
-       AudioPlaylist *pl;
-       AudioDiskstream *ds;
-       string name;
-
-       if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
-               return;
-       }
-       
-       name = Playlist::bump_name (pl->name(), _session);
-
-       if (prompt) {
-
-               ArdourPrompter prompter (true);
-               
-               prompter.set_prompt (_("Name for Playlist"));
-               prompter.set_initial_text (name);
-               prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
-               prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
-               prompter.show_all ();
-               
-               switch (prompter.run ()) {
-               case Gtk::RESPONSE_ACCEPT:
-                       prompter.get_result (name);
-                       break;
-                       
-               default:
-                       return;
-               }
-       }
+       AudioStreamView* asv = audio_view();
 
-       if (name.length()) {
-               ds->use_copy_playlist ();
-               pl = ds->playlist();
-               pl->set_name (name);
+       if (asv) {
+               asv->hide_all_xfades ();
        }
 }
 
 void
-AudioTimeAxisView::use_new_playlist (bool prompt)
+AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 {
-       AudioPlaylist *pl;
-       AudioDiskstream *ds;
-       string name;
-
-       if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
-               return;
-       }
-       
-       name = Playlist::bump_name (pl->name(), _session);
-
-       if (prompt) {
-               
-               ArdourPrompter prompter (true);
-               
-               prompter.set_prompt (_("Name for Playlist"));
-               prompter.set_initial_text (name);
-               prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
-               prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
-               
-               switch (prompter.run ()) {
-               case Gtk::RESPONSE_ACCEPT:
-                       prompter.get_result (name);
-                       break;
-                       
-               default:
-                       return;
-               }
-       }
+       AudioStreamView* asv = audio_view();
+       AudioRegionView* rv;
 
-       if (name.length()) {
-               ds->use_new_playlist ();
-               pl = ds->playlist();
-               pl->set_name (name);
+       if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
+               asv->hide_xfades_involving (*rv);
        }
 }
 
 void
-AudioTimeAxisView::clear_playlist ()
+AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 {
-       AudioPlaylist *pl;
-       AudioDiskstream *ds;
-       
-       if ((ds = get_diskstream()) != 0) {
-               if ((pl = ds->playlist()) != 0) {
-                       editor.clear_playlist (*pl);
-               }
-       }
-}
+       AudioStreamView* asv = audio_view();
+       AudioRegionView* rv;
 
-void
-AudioTimeAxisView::toggle_waveforms ()
-{
-       if (view && waveform_item && !ignore_toggle) {
-               view->set_show_waveforms (waveform_item->get_active());
+       if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
+               asv->reveal_xfades_involving (*rv);
        }
 }
 
 void
-AudioTimeAxisView::set_show_waveforms (bool yn)
+AudioTimeAxisView::route_active_changed ()
 {
-       if (waveform_item) {
-               waveform_item->set_active (yn);
-       } else {
-               view->set_show_waveforms (yn);
-       }
+       RouteTimeAxisView::route_active_changed ();
+       update_control_names ();
 }
 
-void
-AudioTimeAxisView::set_show_waveforms_recording (bool yn)
-{
-       if (view) {
-               view->set_show_waveforms_recording (yn);
-       }
-}
 
-void
-AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
-{
-       if (view) {
-               view->set_waveform_shape (shape);
-       }
-}
+/**
+ *    Set up the names of the controls so that they are coloured
+ *    correctly depending on whether this route is inactive or
+ *    selected.
+ */
 
 void
-AudioTimeAxisView::speed_changed ()
+AudioTimeAxisView::update_control_names ()
 {
-       Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
-}
-
-void
-AudioTimeAxisView::diskstream_changed (void *src)
-{
-       Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::update_diskstream_display));
-}      
-
-void
-AudioTimeAxisView::update_diskstream_display ()
-{
-       AudioDiskstream *ds;
-
-       if ((ds = get_diskstream()) != 0) {
-               set_playlist (ds->playlist ());
-       }
-
-       map_frozen ();
-}      
-
-void
-AudioTimeAxisView::selection_click (GdkEventButton* ev)
-{
-       PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route->edit_group());
-
-       switch (Keyboard::selection_type (ev->state)) {
-       case Selection::Toggle:
-               /* XXX this is not right */
-               editor.get_selection().add (*tracks);
-               break;
-               
-       case Selection::Set:
-               editor.get_selection().set (*tracks);
-               break;
-
-       case Selection::Extend:
-               /* not defined yet */
-               break;
-       }
-
-       delete tracks;
-}
-
-void
-AudioTimeAxisView::set_selected_regionviews (AudioRegionSelection& regions)
-{
-       if (view) {
-               view->set_selected_regionviews (regions);
-       }
-}
-
-void
-AudioTimeAxisView::set_selected_points (PointSelection& points)
-{
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               (*i)->set_selected_points (points);
-       }
-}
-
-void
-AudioTimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results)
-{
-       double speed = 1.0;
-       
-       if (get_diskstream() != 0) {
-               speed = get_diskstream()->speed();
-       }
-       
-       jack_nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
-       jack_nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
-
-       if (view && ((top < 0.0 && bot < 0.0)) || touched (top, bot)) {
-               view->get_selectables (start_adjusted, end_adjusted, results);
-       }
-
-       /* pick up visible automation tracks */
-       
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               if (!(*i)->hidden()) {
-                       (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
-               }
-       }
-}
-
-void
-AudioTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
-{
-       if (view) {
-               view->get_inverted_selectables (sel, results);
-       }
-
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               if (!(*i)->hidden()) {
-                       (*i)->get_inverted_selectables (sel, results);
-               }
-       }
-
-       return;
-}
-
-RouteGroup*
-AudioTimeAxisView::edit_group() const
-{
-       return _route->edit_group();
-}
-
-string
-AudioTimeAxisView::name() const
-{
-       return _route->name();
-}
-
-Playlist *
-AudioTimeAxisView::playlist () const 
-{
-       AudioDiskstream *ds;
-
-       if ((ds = get_diskstream()) != 0) {
-               return ds->playlist(); 
-       } else {
-               return 0; 
-       }
-}
-
-void
-AudioTimeAxisView::name_entry_changed ()
-{
-       string x;
-
-       x = name_entry.get_text ();
-       
-       if (x == _route->name()) {
-               return;
-       }
-
-       if (x.length() == 0) {
-               name_entry.set_text (_route->name());
-               return;
-       }
-
-       strip_whitespace_edges(x);
-
-       if (_session.route_name_unique (x)) {
-               _route->set_name (x, this);
-       } else {
-               ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
-               name_entry.set_text (_route->name());
-       }
-}
-
-void
-AudioTimeAxisView::visual_click ()
-{
-       popup_display_menu (0);
-}
-
-void
-AudioTimeAxisView::hide_click ()
-{
-       editor.hide_track_in_display (*this);
-}
-
-Region*
-AudioTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
-{
-       AudioDiskstream *stream;
-       AudioPlaylist *playlist;
-
-       if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
-               return playlist->find_next_region (pos, point, dir);
-       }
-
-       return 0;
-}
-
-void
-AudioTimeAxisView::add_gain_automation_child ()
-{
-       XMLProperty* prop;
-       AutomationLine* line;
-
-       gain_track = new GainAutomationTimeAxisView (_session,
-                                                    _route,
-                                                    editor,
-                                                    *this,
-                                                    parent_canvas,
-                                                    _("gain"),
-                                                    _route->gain_automation_curve());
-       
-       line = new AutomationGainLine ("automation gain",
-                                      _session,
-                                      *gain_track,
-                                      *gain_track->canvas_display,
-                                      _route->gain_automation_curve());
-
-       line->set_line_color (color_map[cAutomationLine]);
-       
-
-       gain_track->add_line (*line);
-
-       add_child (gain_track);
-
-       gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
-
-       bool hideit = true;
-       
-       XMLNode* node;
-
-       if ((node = gain_track->get_state_node()) != 0) {
-               if  ((prop = node->property ("shown")) != 0) {
-                       if (prop->value() == "yes") {
-                               hideit = false;
-                       }
-               } 
-       }
-
-       if (hideit) {
-               gain_track->hide ();
-       }
-}
-
-void
-AudioTimeAxisView::add_pan_automation_child ()
-{
-       XMLProperty* prop;
-
-       pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
-
-       update_pans ();
-       
-       add_child (pan_track);
-
-       pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
-
-       ensure_xml_node ();
-       bool hideit = true;
-       
-       XMLNode* node;
-
-       if ((node = pan_track->get_state_node()) != 0) {
-               if ((prop = node->property ("shown")) != 0) {
-                       if (prop->value() == "yes") {
-                               hideit = false;
-                       }
-               } 
-       }
-
-       if (hideit) {
-               pan_track->hide ();
-       }
-}
-
-void
-AudioTimeAxisView::update_pans ()
-{
-       Panner::iterator p;
-       
-       pan_track->clear_lines ();
-       
-       /* we don't draw lines for "greater than stereo" panning.
-        */
-
-       if (_route->n_outputs() > 2) {
-               return;
-       }
-
-       for (p = _route->panner().begin(); p != _route->panner().end(); ++p) {
-
-               AutomationLine* line;
-
-               line = new AutomationPanLine ("automation pan", _session, *pan_track,
-                                             *pan_track->canvas_display, 
-                                             (*p)->automation());
-
-               if (p == _route->panner().begin()) {
-                       /* first line is a nice orange */
-                       line->set_line_color (color_map[cLeftPanAutomationLine]);
-               } else {
-                       /* second line is a nice blue */
-                       line->set_line_color (color_map[cRightPanAutomationLine]);
-               }
-
-               pan_track->add_line (*line);
-       }
-}
-               
-void
-AudioTimeAxisView::toggle_gain_track ()
-{
-
-       bool showit = gain_automation_item->get_active();
-
-       if (showit != gain_track->marked_for_display()) {
-               if (showit) {
-                       gain_track->set_marked_for_display (true);
-                       gain_track->canvas_display->show();
-                       gain_track->get_state_node()->add_property ("shown", X_("yes"));
-               } else {
-                       gain_track->set_marked_for_display (false);
-                       gain_track->hide ();
-                       gain_track->get_state_node()->add_property ("shown", X_("no"));
-               }
-
-               /* now trigger a redisplay */
-               
-               if (!no_redraw) {
-                        _route->gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
-               }
-       }
-}
-
-void
-AudioTimeAxisView::gain_hidden ()
-{
-       gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
-
-       if (gain_automation_item && !_hidden) {
-               gain_automation_item->set_active (false);
-       }
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-void
-AudioTimeAxisView::toggle_pan_track ()
-{
-       bool showit = pan_automation_item->get_active();
-
-       if (showit != pan_track->marked_for_display()) {
-               if (showit) {
-                       pan_track->set_marked_for_display (true);
-                       pan_track->canvas_display->show();
-                       pan_track->get_state_node()->add_property ("shown", X_("yes"));
-               } else {
-                       pan_track->set_marked_for_display (false);
-                       pan_track->hide ();
-                       pan_track->get_state_node()->add_property ("shown", X_("no"));
-               }
-
-               /* now trigger a redisplay */
-               
-               if (!no_redraw) {
-                        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-               }
-       }
-}
-
-void
-AudioTimeAxisView::pan_hidden ()
-{
-       pan_track->get_state_node()->add_property ("shown", "no");
-
-       if (pan_automation_item && !_hidden) {
-               pan_automation_item->set_active (false);
-       }
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-AudioTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
-{
-       for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
-               delete *i;
-       }
-}
-
-
-AudioTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
-{
-       parent.remove_ran (this);
-
-       if (view) {
-               delete view;
-       }
-}
-
-void
-AudioTimeAxisView::remove_ran (RedirectAutomationNode* ran)
-{
-       if (ran->view) {
-               remove_child (ran->view);
-       }
-}
-
-AudioTimeAxisView::RedirectAutomationNode*
-AudioTimeAxisView::find_redirect_automation_node (boost::shared_ptr<Redirect> redirect, uint32_t what)
-{
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-
-               if ((*i)->redirect == redirect) {
-
-                       for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                               if ((*ii)->what == what) {
-                                       return *ii;
-                               }
-                       }
-               }
-       }
-
-       return 0;
-}
-
-static string 
-legalize_for_xml_node (string str)
-{
-       string::size_type pos;
-       string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
-       string legal;
-
-       legal = str;
-       pos = 0;
-
-       while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
-               legal.replace (pos, 1, "_");
-               pos += 1;
-       }
-
-       return legal;
-}
-
-
-void
-AudioTimeAxisView::add_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
-{
-       RedirectAutomationLine* ral;
-       string name;
-       RedirectAutomationNode* ran;
-
-       if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
-               fatal << _("programming error: ")
-                     << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
-                                 redirect->name(), what)
-                     << endmsg;
-               /*NOTREACHED*/
-               return;
-       }
-
-       if (ran->view) {
-               return;
-       }
-
-       name = redirect->describe_parameter (what);
-
-       /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
-
-       char state_name[256];
-       snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
-
-       ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
-
-       ral = new RedirectAutomationLine (name, 
-                                         *redirect, what, _session, *ran->view,
-                                         *ran->view->canvas_display, redirect->automation_list (what));
-       
-       ral->set_line_color (color_map[cRedirectAutomationLine]);
-       ral->queue_reset ();
-
-       ran->view->add_line (*ral);
-
-       ran->view->Hiding.connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_automation_track_hidden), ran, redirect));
-
-       if (!ran->view->marked_for_display()) {
-               ran->view->hide ();
-       } else {
-               ran->menu_item->set_active (true);
-       }
-
-       add_child (ran->view);
-
-       view->foreach_regionview (bind (mem_fun(*this, &AudioTimeAxisView::add_ghost_to_redirect), ran->view));
-
-       redirect->mark_automation_visible (what, true);
-}
-
-void
-AudioTimeAxisView::redirect_automation_track_hidden (AudioTimeAxisView::RedirectAutomationNode* ran, boost::shared_ptr<Redirect> r)
-{
-       if (!_hidden) {
-               ran->menu_item->set_active (false);
-       }
-
-       r->mark_automation_visible (ran->what, false);
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-void
-AudioTimeAxisView::add_existing_redirect_automation_curves (boost::shared_ptr<Redirect> redirect)
-{
-       set<uint32_t> s;
-       RedirectAutomationLine *ral;
-
-       redirect->what_has_visible_automation (s);
-
-       for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
-               
-               if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
-                       ral->queue_reset ();
-               } else {
-                       add_redirect_automation_curve (redirect, (*i));
-               }
-       }
-}
-
-void
-AudioTimeAxisView::add_redirect_to_subplugin_menu (boost::shared_ptr<Redirect> r)
-{
-       using namespace Menu_Helpers;
-       RedirectAutomationInfo *rai;
-       list<RedirectAutomationInfo*>::iterator x;
-       
-       const std::set<uint32_t>& automatable = r->what_can_be_automated ();
-       std::set<uint32_t> has_visible_automation;
-
-       r->what_has_visible_automation(has_visible_automation);
-
-       if (automatable.empty()) {
-               return;
-       }
-
-       for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
-               if ((*x)->redirect == r) {
-                       break;
-               }
-       }
-
-       if (x == redirect_automation.end()) {
-
-               rai = new RedirectAutomationInfo (r);
-               redirect_automation.push_back (rai);
-
-       } else {
-
-               rai = *x;
-
-       }
-
-       /* any older menu was deleted at the top of redirects_changed()
-          when we cleared the subplugin menu.
-       */
-
-       rai->menu = manage (new Menu);
-       MenuList& items = rai->menu->items();
-       rai->menu->set_name ("ArdourContextMenu");
-
-       items.clear ();
-
-       for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
-
-               RedirectAutomationNode* ran;
-               CheckMenuItem* mitem;
-               
-               string name = r->describe_parameter (*i);
-               
-               items.push_back (CheckMenuElem (name));
-               mitem = dynamic_cast<CheckMenuItem*> (&items.back());
-
-               if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
-                       mitem->set_active(true);
-               }
-
-               if ((ran = find_redirect_automation_node (r, *i)) == 0) {
-
-                       /* new item */
-                       
-                       ran = new RedirectAutomationNode (*i, mitem, *this);
-                       
-                       rai->lines.push_back (ran);
-
-               } else {
-
-                       ran->menu_item = mitem;
-
-               }
-
-               mitem->signal_toggled().connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_menu_item_toggled), rai, ran));
-       }
-
-       /* add the menu for this redirect, because the subplugin
-          menu is always cleared at the top of redirects_changed().
-          this is the result of some poor design in gtkmm and/or
-          GTK+.
-       */
-
-       subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
-       rai->valid = true;
-}
-
-void
-AudioTimeAxisView::redirect_menu_item_toggled (AudioTimeAxisView::RedirectAutomationInfo* rai,
-                                              AudioTimeAxisView::RedirectAutomationNode* ran)
-{
-       bool showit = ran->menu_item->get_active();
-       bool redraw = false;
-
-       if (ran->view == 0 && showit) {
-               add_redirect_automation_curve (rai->redirect, ran->what);
-               redraw = true;
-       }
-
-       if (showit != ran->view->marked_for_display()) {
-
-               if (showit) {
-                       ran->view->set_marked_for_display (true);
-                       ran->view->canvas_display->show();
-               } else {
-                       rai->redirect->mark_automation_visible (ran->what, true);
-                       ran->view->set_marked_for_display (false);
-                       ran->view->hide ();
-               }
-
-               redraw = true;
-
-       }
-
-       if (redraw && !no_redraw) {
-
-               /* now trigger a redisplay */
-               
-                _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-
-       }
-}
-
-void
-AudioTimeAxisView::redirects_changed (void *src)
-{
-       using namespace Menu_Helpers;
-
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-               (*i)->valid = false;
-       }
-
-       subplugin_menu.items().clear ();
-
-       _route->foreach_redirect (this, &AudioTimeAxisView::add_redirect_to_subplugin_menu);
-       _route->foreach_redirect (this, &AudioTimeAxisView::add_existing_redirect_automation_curves);
-
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
-
-               list<RedirectAutomationInfo*>::iterator tmp;
-
-               tmp = i;
-               ++tmp;
-
-               if (!(*i)->valid) {
-
-                       delete *i;
-                       redirect_automation.erase (i);
-
-               } 
-
-               i = tmp;
-       }
-
-       /* change in visibility was possible */
-
-       _route->gui_changed ("track_height", this);
-}
-
-RedirectAutomationLine *
-AudioTimeAxisView::find_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
-{
-       RedirectAutomationNode* ran;
-
-       if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
-               if (ran->view) {
-                       return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
-               } 
-       }
-
-       return 0;
-}
-
-void
-AudioTimeAxisView::show_all_automation ()
-{
-       no_redraw = true;
-
-       pan_automation_item->set_active (true);
-       gain_automation_item->set_active (true);
-       
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-               for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       if ((*ii)->view == 0) {
-                               add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
-                       } 
-
-                       (*ii)->menu_item->set_active (true);
-               }
-       }
-
-       no_redraw = false;
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-void
-AudioTimeAxisView::show_existing_automation ()
-{
-       no_redraw = true;
-
-       pan_automation_item->set_active (true);
-       gain_automation_item->set_active (true);
-
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-               for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       if ((*ii)->view != 0) {
-                               (*ii)->menu_item->set_active (true);
-                       }
-               }
-       }
-
-       no_redraw = false;
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-void
-AudioTimeAxisView::hide_all_automation ()
-{
-       no_redraw = true;
-
-       pan_automation_item->set_active (false);
-       gain_automation_item->set_active (false);
-
-       for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
-               for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       (*ii)->menu_item->set_active (false);
-               }
-       }
-
-       no_redraw = false;
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
-}
-
-bool
-AudioTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
-{
-       Playlist* what_we_got;
-       AudioDiskstream* ds = get_diskstream();
-       Playlist* playlist;
-       bool ret = false;
-
-       if (ds == 0) {
-               /* route is a bus, not a track */
-               return false;
-       }
-
-       playlist = ds->playlist();
-
-
-       TimeSelection time (selection.time);
-       float speed = ds->speed();
-       if (speed != 1.0f) {
-               for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
-                       (*i).start = session_frame_to_track_frame((*i).start, speed);
-                       (*i).end   = session_frame_to_track_frame((*i).end,   speed);
-               }
-       }
-       
-       switch (op) {
-       case Cut:
-               _session.add_undo (playlist->get_memento());
-               if ((what_we_got = playlist->cut (time)) != 0) {
-                       editor.get_cut_buffer().add (what_we_got);
-                       _session.add_redo_no_execute (playlist->get_memento());
-                       ret = true;
-               }
-               break;
-       case Copy:
-               if ((what_we_got = playlist->copy (time)) != 0) {
-                       editor.get_cut_buffer().add (what_we_got);
-               }
-               break;
-
-       case Clear:
-               _session.add_undo (playlist->get_memento());
-               if ((what_we_got = playlist->cut (time)) != 0) {
-                       _session.add_redo_no_execute (playlist->get_memento());
-                       what_we_got->unref ();
-                       ret = true;
-               }
-               break;
-       }
-
-       return ret;
-}
-
-bool
-AudioTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
-{
-       if (!is_audio_track()) {
-               return false;
-       }
-
-       Playlist* playlist = get_diskstream()->playlist();
-       PlaylistSelection::iterator p;
-       
-       for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
-
-       if (p == selection.playlists.end()) {
-               return false;
-       }
-
-       if (get_diskstream()->speed() != 1.0f)
-               pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
-       
-       _session.add_undo (playlist->get_memento());
-       playlist->paste (**p, pos, times);
-       _session.add_redo_no_execute (playlist->get_memento());
-
-       return true;
-}
-
-void
-AudioTimeAxisView::region_view_added (AudioRegionView* arv)
-{
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               AutomationTimeAxisView* atv;
-
-               if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
-                       arv->add_ghost (*atv);
-               }
-       }
-}
-
-void
-AudioTimeAxisView::add_ghost_to_redirect (AudioRegionView* arv, AutomationTimeAxisView* atv)
-{
-       arv->add_ghost (*atv);
-}
-
-list<TimeAxisView*>
-AudioTimeAxisView::get_child_list()
-{
-  
-       list<TimeAxisView*>redirect_children;
-       
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               if (!(*i)->hidden()) {
-                       redirect_children.push_back(*i);
-               }
-       }
-       return redirect_children;
-}
-
-
-void
-AudioTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
-{
-       using namespace Menu_Helpers;
-
-       if (!menu || !is_audio_track()) {
-               return;
-       }
-
-       MenuList& playlist_items = menu->items();
-       menu->set_name ("ArdourContextMenu");
-       playlist_items.clear();
-
-       if (playlist_menu) {
-               delete playlist_menu;
-       }
-       playlist_menu = new Menu;
-       playlist_menu->set_name ("ArdourContextMenu");
-
-       playlist_items.push_back (MenuElem (string_compose (_("Current: %1"), get_diskstream()->playlist()->name())));
-       playlist_items.push_back (SeparatorElem());
-       
-       playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &AudioTimeAxisView::rename_current_playlist)));
-       playlist_items.push_back (SeparatorElem());
-
-       playlist_items.push_back (MenuElem (_("New"), mem_fun(editor, &PublicEditor::new_playlists)));
-       playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(editor, &PublicEditor::copy_playlists)));
-       playlist_items.push_back (SeparatorElem());
-       playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(editor, &PublicEditor::clear_playlists)));
-       playlist_items.push_back (SeparatorElem());
-       playlist_items.push_back (MenuElem(_("Select"), mem_fun(*this, &AudioTimeAxisView::show_playlist_selector)));
-
-}
-
-void
-AudioTimeAxisView::show_playlist_selector ()
-{
-       editor.playlist_selector().show_for (this);
-}
-
-
-void
-AudioTimeAxisView::map_frozen ()
-{
-       if (!is_audio_track()) {
-               return;
-       }
-
-       ENSURE_GUI_THREAD (mem_fun(*this, &AudioTimeAxisView::map_frozen));
-
-       switch (audio_track()->freeze_state()) {
-       case AudioTrack::Frozen:
-               playlist_button.set_sensitive (false);
-               rec_enable_button->set_sensitive (false);
-               break;
-       default:
-               playlist_button.set_sensitive (true);
-               rec_enable_button->set_sensitive (true);
-               break;
-       }
-}
-
-void
-AudioTimeAxisView::show_all_xfades ()
-{
-       if (view) {
-               view->show_all_xfades ();
-       }
-}
-
-void
-AudioTimeAxisView::hide_all_xfades ()
-{
-       if (view) {
-               view->hide_all_xfades ();
-       }
-}
-
-void
-AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
-{
-       AudioRegionView* rv;
-
-       if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
-               view->hide_xfades_involving (*rv);
-       }
-}
-
-void
-AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
-{
-       AudioRegionView* rv;
-
-       if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
-               view->reveal_xfades_involving (*rv);
-       }
-}
-
-void
-AudioTimeAxisView::route_active_changed ()
-{
-       RouteUI::route_active_changed ();
-
        if (is_audio_track()) {
                if (_route->active()) {
-                       controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
                        controls_base_selected_name = "AudioTrackControlsBaseSelected";
                        controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
                } else {
-                       controls_ebox.set_name ("AudioTrackControlsBaseInactiveUnselected");
                        controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
                        controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
                }
        } else {
                if (_route->active()) {
-                       controls_ebox.set_name ("BusControlsBaseUnselected");
                        controls_base_selected_name = "BusControlsBaseSelected";
                        controls_base_unselected_name = "BusControlsBaseUnselected";
                } else {
-                       controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
                        controls_base_selected_name = "BusControlsBaseInactiveSelected";
                        controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
                }
        }
-}
 
-XMLNode* 
-AudioTimeAxisView::get_child_xml_node (const string & childname)
-{
-       return RouteUI::get_child_xml_node (childname);
-}
-
-void
-AudioTimeAxisView::color_handler (ColorID id, uint32_t val)
-{
-       switch (id) {
-       case cTimeStretchOutline:
-               timestretch_rect->property_outline_color_rgba() = val;
-               break;
-       case cTimeStretchFill:
-               timestretch_rect->property_fill_color_rgba() = val;
-               break;
-       default:
-               break;
+       if (get_selected()) {
+               controls_ebox.set_name (controls_base_selected_name);
+       } else {
+               controls_ebox.set_name (controls_base_unselected_name);
        }
 }
-
-bool
-AudioTimeAxisView::select_me (GdkEventButton* ev)
-{
-       editor.get_selection().add (this);
-       return false;
-}