Give group and meter point buttons controllable visibility.
[ardour.git] / gtk2_ardour / audio_time_axis.cc
index ea822b97c5c6add99c3091ca6b6711151fb3f5a7..d06652b648e5483589f3e5f0cf635dda705034b7 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
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <cstdlib>
 
 #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/stop_signal.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/audioplaylist.h"
+#include "ardour/event_type_map.h"
+#include "ardour/location.h"
+#include "ardour/pannable.h"
+#include "ardour/panner.h"
+#include "ardour/panner_shell.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 "audio_regionview.h"
-#include "rgb_macros.h"
-#include "selection.h"
+#include "audio_region_view.h"
 #include "simplerect.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 Gtk;
 using namespace Editing;
 
+AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, Canvas& canvas)
+       : AxisView(sess)
+       , RouteTimeAxisView(ed, sess, canvas)
+{
+}
 
-AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
-       : AxisView(sess), // FIXME: won't compile without this, why??
-       RouteTimeAxisView(ed, sess, rt, canvas)
+void
+AudioTimeAxisView::set_route (boost::shared_ptr<Route> rt)
 {
+       RouteTimeAxisView::set_route (rt);
+
+       // Make sure things are sane...
+       assert(!is_track() || is_audio_track());
+
        subplugin_menu.set_name ("ArdourContextMenu");
-       gain_track = 0;
-       pan_track = 0;
-       waveform_item = 0;
-       pan_automation_item = 0;
-       gain_automation_item = 0;
 
        _view = new AudioStreamView (*this);
 
-       add_gain_automation_child ();
-       add_pan_automation_child ();
-
        ignore_toggle = false;
 
        mute_button->set_active (false);
        solo_button->set_active (false);
-       
-       if (is_audio_track())
-               controls_ebox.set_name ("AudioTimeAxisViewControlsBaseUnselected");
-       else // bus
+
+       if (is_audio_track()) {
+               controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
+       } else { // bus
                controls_ebox.set_name ("AudioBusControlsBaseUnselected");
+       }
 
-       /* map current state of the route */
+       /* if set_state above didn't create a gain automation child, we need to make one */
+       if (automation_child (GainAutomation) == 0) {
+               create_automation_child (GainAutomation, false);
+       }
 
-       redirects_changed (0);
-       reset_redirect_automation_curves ();
+       if (_route->panner()) {
+               _route->panner_shell()->Changed.connect (*this, invalidator (*this),
+                                                         boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
+       }
 
-       ensure_xml_node ();
+       /* map current state of the route */
 
-       set_state (*xml_node);
-       
-       _route->panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
+       processors_changed (RouteProcessorChange ());
+       reset_processor_automation_curves ();
+       ensure_pan_views (false);
+       update_control_names ();
 
        if (is_audio_track()) {
 
-               controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
-               controls_base_selected_name = "AudioTrackControlsBaseSelected";
-               controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
-
                /* ask for notifications of any new RegionViews */
-               _view->RegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
-               _view->attach ();
+               _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 
-       } else { /* bus */
+               if (!_editor.have_idled()) {
+                       /* first idle will do what we need */
+               } else {
+                       first_idle ();
+               }
 
-               controls_ebox.set_name ("AudioBusControlsBaseUnselected");
-               controls_base_selected_name = "AudioBusControlsBaseSelected";
-               controls_base_unselected_name = "AudioBusControlsBaseUnselected";
+       } else {
+               post_construct ();
        }
 }
 
 AudioTimeAxisView::~AudioTimeAxisView ()
 {
-       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 ();
 }
 
 AudioStreamView*
@@ -159,849 +159,229 @@ AudioTimeAxisView::audio_view()
 guint32
 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 {
-       ensure_xml_node ();
-       xml_node->add_property ("shown_editor", "yes");
-               
+       set_gui_property ("visible", true);
        return TimeAxisView::show_at (y, nth, parent);
 }
 
 void
 AudioTimeAxisView::hide ()
 {
-       ensure_xml_node ();
-       xml_node->add_property ("shown_editor", "no");
-
+       set_gui_property ("visible", false);
        TimeAxisView::hide ();
 }
 
-void
-AudioTimeAxisView::set_state (const XMLNode& node)
-{
-       const XMLProperty *prop;
-       
-       TimeAxisView::set_state (node);
-       
-       if ((prop = node.property ("shown_editor")) != 0) {
-               if (prop->value() == "no") {
-                       _marked_for_display = false;
-               } 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;
-               }
-               
-               if (child_node->name() == "pan") {
-                       XMLProperty *prop=child_node->property ("shown");
-                       
-                       if (prop != 0) {
-                               if (prop->value() == "yes") {
-                                       show_pan_automation = true;
-                               }                       
-                       }
-                       continue;
-               }
-       }
-}
 
 void
-AudioTimeAxisView::reset_redirect_automation_curves ()
-{
-       for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
-               (*i)->reset();
-       }
-}
-
-void
-AudioTimeAxisView::build_display_menu ()
+AudioTimeAxisView::append_extra_display_menu_items ()
 {
        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));
-       }
-
-       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());
-
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
-
-}
-
-void
-AudioTimeAxisView::toggle_waveforms ()
-{
-       AudioStreamView* asv = audio_view();
-       assert(asv);
-
-       if (asv && waveform_item && !ignore_toggle) {
-               asv->set_show_waveforms (waveform_item->get_active());
-       }
-}
-
-void
-AudioTimeAxisView::set_show_waveforms (bool yn)
-{
-       AudioStreamView* asv = audio_view();
-       assert(asv);
-
-       if (waveform_item) {
-               waveform_item->set_active (yn);
-       } else {
-               asv->set_show_waveforms (yn);
-       }
-}
-
-void
-AudioTimeAxisView::set_show_waveforms_recording (bool yn)
-{
-       AudioStreamView* asv = audio_view();
 
-       if (asv) {
-               asv->set_show_waveforms_recording (yn);
+       // crossfade stuff
+       if (!Profile->get_sae() && is_track ()) {
+               items.push_back (MenuElem (_("Hide All Crossfades"), sigc::bind (sigc::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades), true)));
+               items.push_back (MenuElem (_("Show All Crossfades"), sigc::bind (sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades), true)));
+               items.push_back (SeparatorElem ());
        }
 }
 
 void
-AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
+AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 {
-       AudioStreamView* asv = audio_view();
-
-       if (asv) {
-               asv->set_waveform_shape (shape);
-       }
-
-       map_frozen ();
-}      
-
-void
-AudioTimeAxisView::set_selected_regionviews (RegionSelection& regions)
-{
-       AudioStreamView* asv = audio_view();
-
-       if (asv) {
-               asv->set_selected_regionviews (regions);
-       }
-}
-
-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) {
+       if (param.type() == NullAutomation) {
+               cerr << "WARNING: Attempt to create NullAutomation child, ignoring" << endl;
                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"));
-               }
+       AutomationTracks::iterator existing = _automation_tracks.find (param);
 
-               /* now trigger a redisplay */
+       if (existing != _automation_tracks.end()) {
                
-               if (!no_redraw) {
-                        _route->gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
-               }
-       }
-}
+               /* automation track created because we had existing data for
+                * the processor, but visibility may need to be controlled
+                * since it will have been set visible by default.
+                */
 
-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 */
+               existing->second->set_marked_for_display (show);
                
                if (!no_redraw) {
-                        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
+                       request_redraw ();
                }
-       }
-}
 
-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;
-}
-
-// FIXME: duplicated in midi_time_axis.cc
-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);
+       if (param.type() == GainAutomation) {
 
-       /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
+               create_gain_automation_child (param, show);
 
-       char state_name[256];
-       snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
+       } else if (param.type() == PanWidthAutomation ||
+                   param.type() == PanElevationAutomation ||
+                   param.type() == PanAzimuthAutomation) {
 
-       ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
+               ensure_pan_views (show);
 
-       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 ();
+       } else if (param.type() == PluginAutomation) {
 
-       ran->view->add_line (*ral);
+               /* handled elsewhere */
 
-       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);
-
-       audio_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));
-               }
+               error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
        }
 }
 
+/** 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::add_redirect_to_subplugin_menu (boost::shared_ptr<Redirect> r)
+AudioTimeAxisView::ensure_pan_views (bool show)
 {
-       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()) {
+       if (!_route->panner()) {
                return;
        }
 
-       for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
-               if ((*x)->redirect == r) {
-                       break;
-               }
-       }
-
-       if (x == redirect_automation.end()) {
+       set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
+       set<Evoral::Parameter>::iterator p;
 
-               rai = new RedirectAutomationInfo (r);
-               redirect_automation.push_back (rai);
-
-       } else {
-
-               rai = *x;
-
-       }
+       for (p = params.begin(); p != params.end(); ++p) {
+               boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
 
-       /* 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 (pan_control->parameter().type() == NullAutomation) {
+                       error << "Pan control has NULL automation type!" << endmsg;
+                       continue;
                }
 
-               if ((ran = find_redirect_automation_node (r, *i)) == 0) {
+               if (automation_child (pan_control->parameter ()).get () == 0) {
 
-                       /* new item */
-                       
-                       ran = new RedirectAutomationNode (*i, mitem, *this);
-                       
-                       rai->lines.push_back (ran);
+                       /* we don't already have an AutomationTimeAxisView for this parameter */
 
-               } else {
+                       std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 
-                       ran->menu_item = mitem;
+                       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);
                }
-
-               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)
+AudioTimeAxisView::update_gain_track_visibility ()
 {
-       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;
-
-       }
+       bool const showit = gain_automation_item->get_active();
 
-       if (redraw && !no_redraw) {
+       if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
+               gain_track->set_marked_for_display (showit);
 
                /* now trigger a redisplay */
-               
-                _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 
+               if (!no_redraw) {
+                        _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
+               }
        }
 }
 
 void
-AudioTimeAxisView::redirects_changed (void *src)
+AudioTimeAxisView::update_pan_track_visibility ()
 {
-       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;
+       bool const showit = pan_automation_item->get_active();
+       bool changed = false;
 
-               tmp = i;
-               ++tmp;
-
-               if (!(*i)->valid) {
-
-                       delete *i;
-                       redirect_automation.erase (i);
-
-               } 
-
-               i = tmp;
+       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;
+               }
        }
 
-       /* 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());
-               } 
+       if (changed) {
+               _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
        }
-
-       return 0;
 }
 
 void
-AudioTimeAxisView::show_all_automation ()
+AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 {
-       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 */
-}
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
+       } else {
 
-void
-AudioTimeAxisView::show_existing_automation ()
-{
-       no_redraw = true;
+               no_redraw = true;
 
-       pan_automation_item->set_active (true);
-       gain_automation_item->set_active (true);
+               RouteTimeAxisView::show_all_automation ();
 
-       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;
+               request_redraw ();
        }
-
-       no_redraw = false;
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-AudioTimeAxisView::hide_all_automation ()
+AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 {
-       no_redraw = true;
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
+       } else {
+               no_redraw = true;
 
-       pan_automation_item->set_active (false);
-       gain_automation_item->set_active (false);
+               RouteTimeAxisView::show_existing_automation ();
 
-       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;
 
-       no_redraw = false;
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
+               request_redraw ();
+       }
 }
 
 void
-AudioTimeAxisView::region_view_added (RegionView* rv)
+AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 {
-       assert(dynamic_cast<AudioRegionView*>(rv));
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
+       } else {
+               no_redraw = true;
 
-       for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
-               AutomationTimeAxisView* atv;
+               RouteTimeAxisView::hide_all_automation();
 
-               if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
-                       rv->add_ghost (*atv);
-               }
+               no_redraw = false;
+               request_redraw ();
        }
 }
 
 void
-AudioTimeAxisView::add_ghost_to_redirect (RegionView* rv, AutomationTimeAxisView* atv)
-{
-       rv->add_ghost (*atv);
-}
-
-void
-AudioTimeAxisView::show_all_xfades ()
+AudioTimeAxisView::show_all_xfades (bool apply_to_selection)
 {
-       AudioStreamView* asv = audio_view();
-
-       if (asv) {
-               asv->show_all_xfades ();
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_xfades, _1, false));
+       } else {
+               AudioStreamView* asv = audio_view ();
+               if (asv) {
+                       asv->show_all_xfades ();
+               }
        }
 }
 
 void
-AudioTimeAxisView::hide_all_xfades ()
+AudioTimeAxisView::hide_all_xfades (bool apply_to_selection)
 {
-       AudioStreamView* asv = audio_view();
-       
-       if (asv) {
-               asv->hide_all_xfades ();
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_xfades, _1, false));
+       } else {
+               AudioStreamView* asv = audio_view ();
+               if (asv) {
+                       asv->hide_all_xfades ();
+               }
        }
 }
 
@@ -1030,34 +410,83 @@ AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 void
 AudioTimeAxisView::route_active_changed ()
 {
-       RouteUI::route_active_changed ();
+       update_control_names ();
+}
+
+
+/**
+ *    Set up the names of the controls so that they are coloured
+ *    correctly depending on whether this route is inactive or
+ *    selected.
+ */
 
+void
+AudioTimeAxisView::update_control_names ()
+{
        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";
                }
        }
+
+       if (get_selected()) {
+               controls_ebox.set_name (controls_base_selected_name);
+       } else {
+               controls_ebox.set_name (controls_base_unselected_name);
+       }
 }
 
-XMLNode* 
-AudioTimeAxisView::get_child_xml_node (const string & childname)
+void
+AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 {
-       return RouteUI::get_child_xml_node (childname);
+       using namespace Menu_Helpers;
+
+       RouteTimeAxisView::build_automation_action_menu (for_selection);
+
+       MenuList& automation_items = automation_action_menu->items ();
+
+       automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
+       gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
+       gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) && 
+                                         (gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
+
+       _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
+
+       automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
+       pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
+       pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
+                                        (!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
+
+       set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
+       for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
+               _main_automation_menu_map[*p] = pan_automation_item;
+       }
+}
+
+void
+AudioTimeAxisView::enter_internal_edit_mode ()
+{
+        if (audio_view()) {
+                audio_view()->enter_internal_edit_mode ();
+        }
 }
 
+void
+AudioTimeAxisView::leave_internal_edit_mode ()
+{
+        if (audio_view()) {
+                audio_view()->leave_internal_edit_mode ();
+        }
+}