r269@gandalf: fugalh | 2006-08-03 20:18:05 -0600

 Trunk merge conflicts resolved


git-svn-id: svn://localhost/ardour2/branches/undo@756 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 1601 insertions, 0 deletions

diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
new file mode 100644
index 0000000000..8dca7be480
--- /dev/null
+++ b/gtk2_ardour/route_time_axis.cc
@@ -0,0 +1,1601 @@
+/*
+    Copyright (C) 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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <cstdlib>
+#include <cmath>
+#include <cassert>
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include <sigc++/bind.h>
+
+#include <pbd/error.h>
+#include <pbd/stl_delete.h>
+#include <pbd/whitespace.h>
+
+#include <gtkmm/menu.h>
+#include <gtkmm/menuitem.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/playlist.h>
+#include <ardour/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_ui.h"
+#include "route_time_axis.h"
+#include "automation_time_axis.h"
+#include "redirect_automation_time_axis.h"
+#include "redirect_automation_line.h"
+#include "canvas_impl.h"
+#include "crossfade_view.h"
+#include "enums.h"
+#include "gui_thread.h"
+#include "keyboard.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 "region_view.h"
+#include "rgb_macros.h"
+#include "selection.h"
+#include "simplerect.h"
+#include "streamview.h"
+#include "utils.h"
+
+#include <ardour/track.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace PBD;
+using namespace Gtk;
+using namespace Editing;
+
+
+RouteTimeAxisView::RouteTimeAxisView (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"))
+
+{
+	_has_state = true;
+	playlist_menu = 0;
+	playlist_action_menu = 0;
+	automation_action_menu = 0;
+	_view = 0;
+	timestretch_rect = 0;
+	no_redraw = false;
+
+	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, &RouteTimeAxisView::select_me), false);
+	mute_button->signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
+	playlist_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
+	automation_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
+	size_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
+	visual_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
+	hide_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::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, &RouteTimeAxisView::edit_click), false);
+	playlist_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::playlist_click));
+	automation_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::automation_click));
+	size_button.signal_button_release_event().connect (mem_fun(*this, &RouteTimeAxisView::size_click), false);
+	visual_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::visual_click));
+	hide_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::hide_click));
+
+	if (is_track()) {
+		rec_enable_button->set_active (false);
+		rec_enable_button->set_name ("TrackRecordEnableButton");
+		rec_enable_button->signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::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_track() && track()->mode() == ARDOUR::Normal) {
+		controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
+	}
+
+	/* 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;
+
+	_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, &RouteTimeAxisView::redirects_changed));
+	_route->name_changed.connect (mem_fun(*this, &RouteTimeAxisView::route_name_changed));
+	_route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
+
+	if (is_track()) {
+
+		track()->FreezeChange.connect (mem_fun(*this, &RouteTimeAxisView::map_frozen));
+		track()->DiskstreamChanged.connect (mem_fun(*this, &RouteTimeAxisView::diskstream_changed));
+		get_diskstream()->SpeedChanged.connect (mem_fun(*this, &RouteTimeAxisView::speed_changed));
+
+		/* ask for notifications of any new RegionViews */
+		// FIXME: _view is NULL, but it would be nice to attach this here :/
+		//_view->RegionViewAdded.connect (mem_fun(*this, &RouteTimeAxisView::region_view_added));
+		//_view->attach ();
+
+		/* pick up the correct freeze state */
+		map_frozen ();
+
+	}
+
+	editor.ZoomChanged.connect (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
+	ColorChanged.connect (mem_fun (*this, &RouteTimeAxisView::color_handler));
+}
+
+RouteTimeAxisView::~RouteTimeAxisView ()
+{
+	GoingAway (); /* EMIT_SIGNAL */
+
+	vector_delete (&redirect_automation_curves);
+
+	for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
+		delete *i;
+	}
+
+ 	if (playlist_menu) {
+ 		delete playlist_menu;
+ 		playlist_menu = 0;
+ 	}
+  
+	if (playlist_action_menu) {
+		delete playlist_action_menu;
+		playlist_action_menu = 0;
+	}
+
+	if (_view) {
+		delete _view;
+		_view = 0;
+	}
+}
+
+void
+RouteTimeAxisView::set_playlist (Playlist *newplaylist)
+{
+	Playlist *pl = playlist();
+	assert(pl);
+
+	modified_connection.disconnect ();
+	state_changed_connection.disconnect ();
+	
+	state_changed_connection = pl->StateChanged.connect (mem_fun(*this, &RouteTimeAxisView::playlist_state_changed));
+	modified_connection = pl->Modified.connect (mem_fun(*this, &RouteTimeAxisView::playlist_modified));
+}
+
+void
+RouteTimeAxisView::playlist_modified ()
+{
+}
+
+gint
+RouteTimeAxisView::edit_click (GdkEventButton *ev)
+{
+	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;
+
+	items.clear ();
+	items.push_back (RadioMenuElem (group, _("No group"), 
+					bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
+	
+	if (_route->edit_group() == 0) {
+		static_cast<RadioMenuItem*>(&items.back())->set_active ();
+	}
+	
+	_session.foreach_edit_group (bind (mem_fun (*this, &RouteTimeAxisView::add_edit_group_menu_item), &group));
+	edit_group_menu.popup (ev->button, ev->time);
+
+	return FALSE;
+}
+
+void
+RouteTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
+{
+	using namespace Menu_Helpers;
+
+	MenuList &items = edit_group_menu.items();
+
+	cerr << "adding edit group " << eg->name() << endl;
+
+	items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), eg)));
+	if (_route->edit_group() == eg) {
+		static_cast<RadioMenuItem*>(&items.back())->set_active ();
+	}
+}
+
+void
+RouteTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
+
+{
+	_route->set_edit_group (eg, this);
+}
+
+void
+RouteTimeAxisView::playlist_state_changed (Change ignored)
+{
+	// ENSURE_GUI_THREAD (bind (mem_fun(*this, &RouteTimeAxisView::playlist_state_changed), ignored));
+	// why are we here ?
+}
+
+void
+RouteTimeAxisView::playlist_changed ()
+
+{
+	label_view ();
+
+	if (is_track()) {
+		set_playlist (dynamic_cast<Playlist*>(get_diskstream()->playlist()));
+	}
+}
+
+void
+RouteTimeAxisView::label_view ()
+{
+	string x = _route->name();
+
+	if (x != name_entry.get_text()) {
+		name_entry.set_text (x);
+	}
+
+	ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
+}
+
+void
+RouteTimeAxisView::route_name_changed (void *src)
+{
+	editor.route_name_changed (this);
+	label_view ();
+}
+
+void
+RouteTimeAxisView::take_name_changed (void *src)
+
+{
+	if (src != this) {
+		label_view ();
+	}
+}
+
+void
+RouteTimeAxisView::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);
+
+	playlist_action_menu->popup (1, 0);
+}
+
+void
+RouteTimeAxisView::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 ();
+	}
+	automation_action_menu->popup (1, 0);
+}
+
+void
+RouteTimeAxisView::build_automation_action_menu ()
+{
+	using namespace Menu_Helpers;
+
+	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, &RouteTimeAxisView::show_all_automation)));
+
+	automation_items.push_back (MenuElem (_("Show existing automation"),
+					      mem_fun(*this, &RouteTimeAxisView::show_existing_automation)));
+
+	automation_items.push_back (MenuElem (_("Hide all automation"),
+					      mem_fun(*this, &RouteTimeAxisView::hide_all_automation)));
+
+	automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
+}
+
+void
+RouteTimeAxisView::build_display_menu ()
+{
+	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, &RouteTimeAxisView::select_track_color)));
+
+	items.push_back (SeparatorElem());
+
+	build_remote_control_menu ();
+	items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
+
+	build_automation_action_menu ();
+	items.push_back (MenuElem (_("Automation"), *automation_action_menu));
+
+	// Hook for derived classes to add type specific stuff
+	items.push_back (SeparatorElem());
+	append_extra_display_menu_items ();
+	items.push_back (SeparatorElem());
+	
+	if (is_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, &RouteTimeAxisView::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, &RouteTimeAxisView::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, &RouteTimeAxisView::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
+RouteTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
+{
+	double x1;
+	double x2;
+	double y2;
+	
+	TimeAxisView::show_timestretch (start, end);
+
+	hide_timestretch ();
+
+#if 0	
+	if (ts.empty()) {
+		return;
+	}
+
+
+	/* 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.
+	*/
+
+	if (!(ts.track == this || (ts.group != 0 && ts.group == _route->edit_group()))) {
+		/* this doesn't apply to us */
+		return;
+	}
+
+	/* ignore it if our edit group is not active */
+	
+	if ((ts.track != this) && _route->edit_group() && !_route->edit_group()->is_active()) {
+		return;
+	}
+#endif
+
+	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];
+	}
+
+	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;
+}
+
+void
+RouteTimeAxisView::hide_timestretch ()
+{
+	TimeAxisView::hide_timestretch ();
+
+	if (timestretch_rect) {
+		timestretch_rect->hide ();
+	}
+}
+
+void
+RouteTimeAxisView::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
+RouteTimeAxisView::set_height (TrackHeight h)
+{
+	bool height_changed = (height == 0) || (h != height_style);
+
+	TimeAxisView::set_height (h);
+
+	ensure_xml_node ();
+
+	_view->set_height ((double) height);
+
+	switch (height_style) {
+	case Largest:
+		xml_node->add_property ("track_height", "largest");
+		break;
+
+	case Large:
+		xml_node->add_property ("track_height", "large");
+		break;
+
+	case Larger:
+		xml_node->add_property ("track_height", "larger");
+		break;
+
+	case Normal:
+		xml_node->add_property ("track_height", "normal");
+		break;
+
+	case Smaller:
+		xml_node->add_property ("track_height", "smaller");
+		break;
+
+	case Small:
+		xml_node->add_property ("track_height", "small");
+		break;
+	}
+
+	switch (height_style) {
+	case Largest:
+	case Large:
+	case Larger:
+	case Normal:
+		show_name_entry ();
+		hide_name_label ();
+
+		mute_button->show_all();
+		solo_button->show_all();
+		if (rec_enable_button)
+			rec_enable_button->show_all();
+
+		edit_group_button.show_all();
+		hide_button.show_all();
+		visual_button.show_all();
+		size_button.show_all();
+		automation_button.show_all();
+		
+		if (is_track() && track()->mode() == ARDOUR::Normal) {
+			playlist_button.show_all();
+		}
+		break;
+
+	case Smaller:
+		show_name_entry ();
+		hide_name_label ();
+
+		mute_button->show_all();
+		solo_button->show_all();
+		if (rec_enable_button)
+			rec_enable_button->show_all();
+
+		edit_group_button.hide ();
+		hide_button.hide ();
+		visual_button.hide ();
+		size_button.hide ();
+		automation_button.hide ();
+		
+		if (is_track() && track()->mode() == ARDOUR::Normal) {
+			playlist_button.hide ();
+		}
+		break;
+
+	case Small:
+		hide_name_entry ();
+		show_name_label ();
+
+		mute_button->hide();
+		solo_button->hide();
+		if (rec_enable_button)
+			rec_enable_button->hide();
+
+		edit_group_button.hide ();
+		hide_button.hide ();
+		visual_button.hide ();
+		size_button.hide ();
+		automation_button.hide ();
+		playlist_button.hide ();
+		name_label.set_text (_route->name());
+		break;
+	}
+
+	if (height_changed) {
+		/* only emit the signal if the height really changed */
+		 _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
+	}
+}
+
+void
+RouteTimeAxisView::select_track_color ()
+{
+	if (RouteUI::choose_color ()) {
+
+		if (_view) {
+			_view->apply_color (_color, StreamView::RegionColor);
+		}
+	}
+}
+
+void
+RouteTimeAxisView::reset_samples_per_unit ()
+{
+	set_samples_per_unit (editor.get_current_zoom());
+}
+
+void
+RouteTimeAxisView::set_samples_per_unit (double spu)
+{
+	double speed = 1.0;
+
+	if (get_diskstream() != 0) {
+		speed = get_diskstream()->speed();
+	}
+	
+	if (_view) {
+		_view->set_samples_per_unit (spu * speed);
+	}
+
+	TimeAxisView::set_samples_per_unit (spu * speed);
+}
+
+void
+RouteTimeAxisView::align_style_changed ()
+{
+	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;
+	}
+}
+
+void
+RouteTimeAxisView::set_align_style (AlignStyle style)
+{
+	get_diskstream()->set_align_style (style);
+}
+
+void
+RouteTimeAxisView::rename_current_playlist ()
+{
+	ArdourPrompter prompter (true);
+	string name;
+
+	Diskstream *const ds = get_diskstream();
+	if (!ds || ds->destructive())
+		return;
+
+	Playlist *const pl = ds->playlist();
+	if (!pl)
+		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);
+
+	switch (prompter.run ()) {
+	case Gtk::RESPONSE_ACCEPT:
+		prompter.get_result (name);
+		if (name.length()) {
+			pl->set_name (name);
+		}
+		break;
+
+	default:
+		break;
+	}
+}
+
+void
+RouteTimeAxisView::use_copy_playlist (bool prompt)
+{
+	string name;
+	
+	Diskstream *const ds = get_diskstream();
+	if (!ds || ds->destructive())
+		return;
+
+	Playlist *const pl = ds->playlist();
+	if (!pl)
+		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;
+		}
+	}
+
+	if (name.length()) {
+		ds->use_copy_playlist ();
+		pl->set_name (name);
+	}
+}
+
+void
+RouteTimeAxisView::use_new_playlist (bool prompt)
+{
+	string name;
+	
+	Diskstream *const ds = get_diskstream();
+	if (!ds || ds->destructive())
+		return;
+
+	Playlist *const pl = ds->playlist();
+	if (!pl)
+		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;
+		}
+	}
+
+	if (name.length()) {
+		ds->use_new_playlist ();
+		pl->set_name (name);
+	}
+}
+
+void
+RouteTimeAxisView::clear_playlist ()
+{
+	Diskstream *const ds = get_diskstream();
+	if (!ds || ds->destructive())
+		return;
+
+	Playlist *const pl = ds->playlist();
+	if (!pl)
+		return;
+
+	editor.clear_playlist (*pl);
+}
+
+void
+RouteTimeAxisView::speed_changed ()
+{
+	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
+}
+
+void
+RouteTimeAxisView::diskstream_changed ()
+{
+	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::update_diskstream_display));
+}	
+
+void
+RouteTimeAxisView::update_diskstream_display ()
+{
+	if (!get_diskstream()) // bus
+		return;
+
+	set_playlist (get_diskstream()->playlist());
+	map_frozen ();
+}	
+
+void
+RouteTimeAxisView::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
+RouteTimeAxisView::set_selected_points (PointSelection& points)
+{
+	for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
+		(*i)->set_selected_points (points);
+	}
+}
+
+void
+RouteTimeAxisView::set_selected_regionviews (RegionSelection& regions)
+{
+	_view->set_selected_regionviews (regions);
+}
+
+void
+RouteTimeAxisView::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
+RouteTimeAxisView::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*
+RouteTimeAxisView::edit_group() const
+{
+	return _route->edit_group();
+}
+
+string
+RouteTimeAxisView::name() const
+{
+	return _route->name();
+}
+
+Playlist *
+RouteTimeAxisView::playlist () const 
+{
+	Diskstream *ds;
+
+	if ((ds = get_diskstream()) != 0) {
+		return ds->playlist(); 
+	} else {
+		return 0; 
+	}
+}
+
+void
+RouteTimeAxisView::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
+RouteTimeAxisView::visual_click ()
+{
+	popup_display_menu (0);
+}
+
+void
+RouteTimeAxisView::hide_click ()
+{
+	editor.hide_track_in_display (*this);
+}
+
+Region*
+RouteTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
+{
+	Diskstream *stream;
+	Playlist *playlist;
+
+	if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
+		return playlist->find_next_region (pos, point, dir);
+	}
+
+	return 0;
+}
+
+bool
+RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
+{
+	Playlist* what_we_got;
+	Diskstream* 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
+RouteTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
+{
+	if (!is_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;
+}
+
+
+list<TimeAxisView*>
+RouteTimeAxisView::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
+RouteTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
+{
+	using namespace Menu_Helpers;
+
+	if (!menu || !is_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, &RouteTimeAxisView::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, &RouteTimeAxisView::show_playlist_selector)));
+
+}
+
+void
+RouteTimeAxisView::show_playlist_selector ()
+{
+	editor.playlist_selector().show_for (this);
+}
+
+void
+RouteTimeAxisView::map_frozen ()
+{
+	if (!is_track()) {
+		return;
+	}
+
+	ENSURE_GUI_THREAD (mem_fun(*this, &RouteTimeAxisView::map_frozen));
+
+	switch (track()->freeze_state()) {
+	case Track::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
+RouteTimeAxisView::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;
+	}
+}
+
+bool
+RouteTimeAxisView::select_me (GdkEventButton* ev)
+{
+	editor.get_selection().add (this);
+	return false;
+}
+
+void
+RouteTimeAxisView::show_all_automation ()
+{
+	no_redraw = 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
+RouteTimeAxisView::show_existing_automation ()
+{
+	no_redraw = 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
+RouteTimeAxisView::hide_all_automation ()
+{
+	no_redraw = 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) {
+			(*ii)->menu_item->set_active (false);
+		}
+	}
+
+	no_redraw = false;
+	 _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
+}
+
+
+void
+RouteTimeAxisView::region_view_added (RegionView* rv)
+{
+	for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
+		AutomationTimeAxisView* atv;
+
+		if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
+			rv->add_ghost (*atv);
+		}
+	}
+}
+
+void
+RouteTimeAxisView::add_ghost_to_redirect (RegionView* rv, AutomationTimeAxisView* atv)
+{
+	rv->add_ghost (*atv);
+}
+
+RouteTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
+{
+	for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
+		delete *i;
+	}
+}
+
+
+RouteTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
+{
+	parent.remove_ran (this);
+
+	if (view) {
+		delete view;
+	}
+}
+
+void
+RouteTimeAxisView::remove_ran (RedirectAutomationNode* ran)
+{
+	if (ran->view) {
+		remove_child (ran->view);
+	}
+}
+
+RouteTimeAxisView::RedirectAutomationNode*
+RouteTimeAxisView::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
+RouteTimeAxisView::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, &RouteTimeAxisView::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, &RouteTimeAxisView::add_ghost_to_redirect), ran->view));
+
+	redirect->mark_automation_visible (what, true);
+}
+
+void
+RouteTimeAxisView::redirect_automation_track_hidden (RouteTimeAxisView::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
+RouteTimeAxisView::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
+RouteTimeAxisView::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, &RouteTimeAxisView::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
+RouteTimeAxisView::redirect_menu_item_toggled (RouteTimeAxisView::RedirectAutomationInfo* rai,
+					       RouteTimeAxisView::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
+RouteTimeAxisView::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, &RouteTimeAxisView::add_redirect_to_subplugin_menu);
+	_route->foreach_redirect (this, &RouteTimeAxisView::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 *
+RouteTimeAxisView::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
+RouteTimeAxisView::reset_redirect_automation_curves ()
+{
+	for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
+		(*i)->reset();
+	}
+}
+