sane naming scheme for combined regions; fix deadlock when nesting to more than one...
[ardour.git] / gtk2_ardour / route_time_axis.cc
index f1e2b3168c504c2492dcc467532f603c1bb38086..81dbefcd2994a3619de875bbaa9715ba36b27640 100644 (file)
@@ -23,7 +23,7 @@
 #include <algorithm>
 #include <string>
 #include <vector>
-#include  <map>
+#include <map>
 #include <utility>
 
 #include <sigc++/bind.h>
 #include "pbd/whitespace.h"
 #include "pbd/memento_command.h"
 #include "pbd/enumwriter.h"
-#include "pbd/stacktrace.h"
+#include "pbd/stateful_diff_command.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>
 
@@ -62,6 +61,8 @@
 #include "evoral/Parameter.hpp"
 
 #include "ardour_ui.h"
+#include "debug.h"
+#include "global_signals.h"
 #include "route_time_axis.h"
 #include "automation_time_axis.h"
 #include "canvas_impl.h"
@@ -110,19 +111,14 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, boost::sh
        , button_table (3, 3)
        , route_group_button (_("g"))
        , playlist_button (_("p"))
-       , size_button (_("h"))
        , automation_button (_("a"))
-       , visual_button (_("v"))
        , gm (sess, slider, true, 115)
 {
-       set_button_names ();
-
        gm.set_controls (_route, _route->shared_peak_meter(), _route->amp());
        gm.get_level_meter().set_no_show_all();
        gm.get_level_meter().setup_meters(50);
 
        _has_state = true;
-       playlist_menu = 0;
        playlist_action_menu = 0;
        automation_action_menu = 0;
        plugins_submenu_item = 0;
@@ -133,37 +129,25 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, boost::sh
                _marked_for_display = true;
        }
 
+       mute_changed (0);
+        update_solo_display ();
+
        timestretch_rect = 0;
        no_redraw = false;
-       destructive_track_mode_item = 0;
-       normal_track_mode_item = 0;
-       non_layered_track_mode_item = 0;
 
        ignore_toggle = false;
 
        route_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");
 
        route_group_button.unset_flags (Gtk::CAN_FOCUS);
        playlist_button.unset_flags (Gtk::CAN_FOCUS);
        automation_button.unset_flags (Gtk::CAN_FOCUS);
-       size_button.unset_flags (Gtk::CAN_FOCUS);
-       visual_button.unset_flags (Gtk::CAN_FOCUS);
-       hide_button.unset_flags (Gtk::CAN_FOCUS);
-
-       hide_button.add (*(manage (new Image (::get_icon("hide")))));
-       hide_button.show_all ();
 
-       route_group_button.signal_button_release_event().connect (sigc::mem_fun(*this, &RouteTimeAxisView::edit_click), false);
+       route_group_button.signal_button_release_event().connect (sigc::mem_fun(*this, &RouteTimeAxisView::route_group_click), false);
        playlist_button.signal_clicked().connect (sigc::mem_fun(*this, &RouteTimeAxisView::playlist_click));
        automation_button.signal_clicked().connect (sigc::mem_fun(*this, &RouteTimeAxisView::automation_click));
-       size_button.signal_button_release_event().connect (sigc::mem_fun(*this, &RouteTimeAxisView::size_click), false);
-       visual_button.signal_clicked().connect (sigc::mem_fun(*this, &RouteTimeAxisView::visual_click));
-       hide_button.signal_clicked().connect (sigc::mem_fun(*this, &RouteTimeAxisView::hide_click));
 
        if (is_track()) {
 
@@ -183,46 +167,39 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, boost::sh
                rec_enable_button->show_all ();
 
                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"));
+
+                if (is_midi_track()) {
+                        ARDOUR_UI::instance()->set_tip(*rec_enable_button, _("Record (Right-click for Step Edit)"));
+                } else {
+                        ARDOUR_UI::instance()->set_tip(*rec_enable_button, _("Record"));
+                }
 
                rec_enable_button->set_sensitive (_session->writable());
        }
 
        controls_hbox.pack_start(gm.get_level_meter(), false, false);
-       _route->meter_change.connect (*this, ui_bind (&RouteTimeAxisView::meter_changed, this, _1), gui_context());
-       _route->input()->changed.connect (*this, ui_bind (&RouteTimeAxisView::io_changed, this, _1, _2), gui_context());
-       _route->output()->changed.connect (*this, ui_bind (&RouteTimeAxisView::io_changed, this, _1, _2), gui_context());
+       _route->meter_change.connect (*this, invalidator (*this), bind (&RouteTimeAxisView::meter_changed, this), gui_context());
+       _route->input()->changed.connect (*this, invalidator (*this), ui_bind (&RouteTimeAxisView::io_changed, this, _1, _2), gui_context());
+       _route->output()->changed.connect (*this, invalidator (*this), ui_bind (&RouteTimeAxisView::io_changed, this, _1, _2), gui_context());
 
        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::EXPAND, 0, 0);
+
+        if (!_route->is_master()) {
+                controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
+        }
 
        controls_table.attach (route_group_button, 7, 8, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
        controls_table.attach (gm.get_gain_slider(), 0, 5, 1, 2, Gtk::SHRINK, Gtk::SHRINK, 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(route_group_button, _("Route 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"));
+       ARDOUR_UI::instance()->set_tip(*solo_button,_("Solo"));
+       ARDOUR_UI::instance()->set_tip(*mute_button,_("Mute"));
+       ARDOUR_UI::instance()->set_tip(route_group_button, _("Route Group"));
+       ARDOUR_UI::instance()->set_tip(playlist_button,_("Playlist"));
+       ARDOUR_UI::instance()->set_tip(automation_button, _("Automation"));
 
        label_view ();
 
-       if (0) {
-
-               /* old school - when we used to put an extra row of buttons in place */
-
-               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);
-
-       } else {
-
-               controls_table.attach (automation_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
-       }
+       controls_table.attach (automation_button, 6, 7, 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);
@@ -230,15 +207,13 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, boost::sh
 
        _y_position = -1;
 
-       _route->processors_changed.connect (*this, ui_bind (&RouteTimeAxisView::processors_changed, this, _1), gui_context());
-       _route->NameChanged.connect (*this, boost::bind (&RouteTimeAxisView::route_name_changed, this), gui_context());
+       _route->processors_changed.connect (*this, invalidator (*this), ui_bind (&RouteTimeAxisView::processors_changed, this, _1), gui_context());
+       _route->PropertyChanged.connect (*this, invalidator (*this), ui_bind (&RouteTimeAxisView::route_property_changed, this, _1), gui_context());
 
        if (is_track()) {
 
-               track()->TrackModeChanged.connect (*this, boost::bind (&RouteTimeAxisView::track_mode_changed, this), gui_context());
-               track()->FreezeChange.connect (*this, boost::bind (&RouteTimeAxisView::map_frozen, this), gui_context());
-               track()->DiskstreamChanged.connect (*this, boost::bind (&RouteTimeAxisView::diskstream_changed, this), gui_context());
-               get_diskstream()->SpeedChanged.connect (*this, boost::bind (&RouteTimeAxisView::speed_changed, this), gui_context());
+               track()->FreezeChange.connect (*this, invalidator (*this), boost::bind (&RouteTimeAxisView::map_frozen, this), gui_context());
+               track()->SpeedChanged.connect (*this, invalidator (*this), boost::bind (&RouteTimeAxisView::speed_changed, this), gui_context());
 
                /* pick up the correct freeze state */
                map_frozen ();
@@ -246,17 +221,22 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, boost::sh
        }
 
        _editor.ZoomChanged.connect (sigc::mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
+       _editor.HorizontalPositionChanged.connect (sigc::mem_fun (*this, &RouteTimeAxisView::horizontal_position_changed));
        ColorsChanged.connect (sigc::mem_fun (*this, &RouteTimeAxisView::color_handler));
 
-       route_group_menu = new RouteGroupMenu (
-               _session,
-               (RouteGroup::Property) (RouteGroup::Mute | RouteGroup::Solo | RouteGroup::Edit)
-               );
-
-       route_group_menu->GroupSelected.connect (sigc::mem_fun (*this, &RouteTimeAxisView::set_route_group_from_menu));
+       PropertyList* plist = new PropertyList();
+       
+       plist->add (ARDOUR::Properties::edit, true);
+       plist->add (ARDOUR::Properties::mute, true);
+       plist->add (ARDOUR::Properties::solo, true);
+       
+       route_group_menu = new RouteGroupMenu (_session, plist);
 
        gm.get_gain_slider().signal_scroll_event().connect(sigc::mem_fun(*this, &RouteTimeAxisView::controls_ebox_scroll), false);
        gm.get_gain_slider().set_name ("TrackGainFader");
+
+       show_name_entry ();
+       hide_name_label ();
 }
 
 RouteTimeAxisView::~RouteTimeAxisView ()
@@ -267,19 +247,12 @@ RouteTimeAxisView::~RouteTimeAxisView ()
                delete *i;
        }
 
-       delete playlist_menu;
-       playlist_menu = 0;
-
        delete playlist_action_menu;
        playlist_action_menu = 0;
 
        delete _view;
        _view = 0;
 
-       for (AutomationTracks::iterator i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
-               delete i->second;
-       }
-
        _automation_tracks.clear ();
 
        delete route_group_menu;
@@ -292,6 +265,7 @@ RouteTimeAxisView::post_construct ()
 
        update_diskstream_display ();
 
+       _subplugin_menu_map.clear ();
        subplugin_menu.items().clear ();
        _route->foreach_processor (sigc::mem_fun (*this, &RouteTimeAxisView::add_processor_to_subplugin_menu));
        _route->foreach_processor (sigc::mem_fun (*this, &RouteTimeAxisView::add_existing_processor_automation_curves));
@@ -299,7 +273,7 @@ RouteTimeAxisView::post_construct ()
 }
 
 gint
-RouteTimeAxisView::edit_click (GdkEventButton *ev)
+RouteTimeAxisView::route_group_click (GdkEventButton *ev)
 {
        if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
                if (_route->route_group()) {
@@ -308,24 +282,15 @@ RouteTimeAxisView::edit_click (GdkEventButton *ev)
                return false;
        }
 
-       route_group_menu->rebuild (_route->route_group ());
-       route_group_menu->popup (ev->button, ev->time);
+       WeakRouteList r;
+       r.push_back (route ());
+       
+       route_group_menu->build (r);
+       route_group_menu->menu()->popup (ev->button, ev->time);
 
        return false;
 }
 
-void
-RouteTimeAxisView::set_route_group_from_menu (RouteGroup *eg)
-{
-       if (eg) {
-               eg->add (_route);
-       } else {
-               if (_route->route_group()) {
-                       _route->route_group()->remove (_route);
-               }
-       }
-}
-
 void
 RouteTimeAxisView::playlist_changed ()
 {
@@ -341,18 +306,23 @@ RouteTimeAxisView::label_view ()
                name_entry.set_text (x);
        }
 
-       ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
+       if (x != name_label.get_text()) {
+               name_label.set_text (x);
+       }
+
+       ARDOUR_UI::instance()->set_tip (name_entry, x);
 }
 
 void
-RouteTimeAxisView::route_name_changed ()
+RouteTimeAxisView::route_property_changed (const PropertyChange& what_changed)
 {
-       label_view ();
+       if (what_changed.contains (ARDOUR::Properties::name)) {
+               label_view ();
+       }
 }
 
 void
 RouteTimeAxisView::take_name_changed (void *src)
-
 {
        if (src != this) {
                label_view ();
@@ -362,15 +332,7 @@ RouteTimeAxisView::take_name_changed (void *src)
 void
 RouteTimeAxisView::playlist_click ()
 {
-       // always build a new action menu
-
-       delete playlist_action_menu;
-
-       playlist_action_menu = new Menu;
-       playlist_action_menu->set_name ("ArdourContextMenu");
-
-       build_playlist_menu (playlist_action_menu);
-
+       build_playlist_menu ();
        conditionally_add_to_selection ();
        playlist_action_menu->popup (1, gtk_get_current_event_time());
 }
@@ -379,7 +341,7 @@ void
 RouteTimeAxisView::automation_click ()
 {
        conditionally_add_to_selection ();
-       build_automation_action_menu ();
+       build_automation_action_menu (false);
        automation_action_menu->popup (1, gtk_get_current_event_time());
 }
 
@@ -413,10 +375,17 @@ RouteTimeAxisView::set_state (const XMLNode& node, int version)
 }
 
 void
-RouteTimeAxisView::build_automation_action_menu ()
+RouteTimeAxisView::build_automation_action_menu (bool for_selection)
 {
        using namespace Menu_Helpers;
 
+       /* detach subplugin_menu from automation_action_menu before we delete automation_action_menu,
+          otherwise bad things happen (see comment for similar case in MidiTimeAxisView::build_automation_action_menu)
+       */
+
+       detach_menu (subplugin_menu);
+
+       _main_automation_menu_map.clear ();
        delete automation_action_menu;
        automation_action_menu = new Menu;
 
@@ -424,20 +393,22 @@ RouteTimeAxisView::build_automation_action_menu ()
 
        automation_action_menu->set_name ("ArdourContextMenu");
        
-       items.push_back (MenuElem (_("Show all automation"),
-                                  sigc::mem_fun(*this, &RouteTimeAxisView::show_all_automation)));
+       items.push_back (MenuElem (_("Show All Automation"),
+                                  sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::show_all_automation), for_selection)));
        
-       items.push_back (MenuElem (_("Show existing automation"),
-                                  sigc::mem_fun(*this, &RouteTimeAxisView::show_existing_automation)));
+       items.push_back (MenuElem (_("Show Existing Automation"),
+                                  sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::show_existing_automation), for_selection)));
        
-       items.push_back (MenuElem (_("Hide all automation"),
-                                  sigc::mem_fun(*this, &RouteTimeAxisView::hide_all_automation)));
+       items.push_back (MenuElem (_("Hide All Automation"),
+                                  sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::hide_all_automation), for_selection)));
+
+       items.push_back (SeparatorElem ());
        
-       /* attach the plugin submenu. It may have previously been used elsewhere, so we detach it first. */
+       /* Attach the plugin submenu. It may have previously been used elsewhere,
+          so it was detached above */
 
-       detach_menu (subplugin_menu);
-       items.push_back (MenuElem (_("Plugins"),  subplugin_menu));
-       items.back().set_sensitive (!subplugin_menu.items().empty());
+       items.push_back (MenuElem (_("Plugins"), subplugin_menu));
+       items.back().set_sensitive (!subplugin_menu.items().empty() && (!for_selection || _editor.get_selection().tracks.size() == 1));;
 }
 
 void
@@ -445,10 +416,6 @@ RouteTimeAxisView::build_display_menu ()
 {
        using namespace Menu_Helpers;
 
-       /* get the size menu ready */
-
-       build_size_menu ();
-
        /* prepare it */
 
        TimeAxisView::build_display_menu ();
@@ -458,219 +425,342 @@ RouteTimeAxisView::build_display_menu ()
        MenuList& items = display_menu->items();
        display_menu->set_name ("ArdourContextMenu");
 
-       items.push_back (MenuElem (_("Height"), *size_menu));
-       items.push_back (MenuElem (_("Color"), sigc::mem_fun(*this, &RouteTimeAxisView::select_track_color)));
+       items.push_back (MenuElem (_("Color..."), sigc::mem_fun (*this, &RouteUI::choose_color)));
+
+       if (_size_menu) {
+               detach_menu (*_size_menu);
+       }
+       build_size_menu ();
+       items.push_back (MenuElem (_("Height"), *_size_menu));
 
        items.push_back (SeparatorElem());
 
        if (!Profile->get_sae()) {
                items.push_back (MenuElem (_("Remote Control ID..."), sigc::mem_fun (*this, &RouteUI::open_remote_control_id_dialog)));
-               /* rebuild this every time */
-               build_automation_action_menu ();
-               detach_menu (*automation_action_menu);
-               items.push_back (MenuElem (_("Automation"), *automation_action_menu));
+               items.back().set_sensitive (_editor.get_selection().tracks.size() <= 1);
                items.push_back (SeparatorElem());
        }
 
        // Hook for derived classes to add type specific stuff
        append_extra_display_menu_items ();
-       items.push_back (SeparatorElem());
 
        if (is_track()) {
 
-               Menu *layers_menu = manage(new Menu);
+               Menu* layers_menu = manage (new Menu);
                MenuList &layers_items = layers_menu->items();
                layers_menu->set_name("ArdourContextMenu");
 
                RadioMenuItem::Group layers_group;
 
-               layers_items.push_back(RadioMenuElem (layers_group, _("Overlaid"),
-                               sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_layer_display), Overlaid)));
-               layers_items.push_back(RadioMenuElem (layers_group, _("Stacked"),
-                               sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_layer_display), Stacked)));
+               /* Find out how many overlaid/stacked tracks we have in the selection */
 
-               items.push_back (MenuElem (_("Layers"), *layers_menu));
+               int overlaid = 0;
+               int stacked = 0;
+               TrackSelection const & s = _editor.get_selection().tracks;
+               for (TrackSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
+                       StreamView* v = (*i)->view ();
+                       if (!v) {
+                               continue;
+                       }
 
-               Menu* alignment_menu = manage (new Menu);
-               MenuList& alignment_items = alignment_menu->items();
-               alignment_menu->set_name ("ArdourContextMenu");
+                       switch (v->layer_display ()) {
+                       case Overlaid:
+                               ++overlaid;
+                               break;
+                       case Stacked:
+                               ++stacked;
+                               break;
+                       }
+               }
 
-               RadioMenuItem::Group align_group;
+               /* We're not connecting to signal_toggled() here; in the case where these two items are
+                  set to be in the `inconsistent' state, it seems that one or other will end up active
+                  as well as inconsistent (presumably due to the RadioMenuItem::Group).  Then when you
+                  select the active one, no toggled signal is emitted so nothing happens.
+               */
+               
+               layers_items.push_back (RadioMenuElem (layers_group, _("Overlaid")));
+               RadioMenuItem* i = dynamic_cast<RadioMenuItem*> (&layers_items.back ());
+               i->set_active (overlaid != 0 && stacked == 0);
+               i->set_inconsistent (overlaid != 0 && stacked != 0);
+               i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_layer_display), Overlaid, true));
+
+               layers_items.push_back (
+                       RadioMenuElem (layers_group, _("Stacked"),
+                                      sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_layer_display), Stacked, true))
+                       );
+
+               i = dynamic_cast<RadioMenuItem*> (&layers_items.back ());
+               i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_layer_display), Stacked, true));
+               i->set_active (overlaid == 0 && stacked != 0);
+               i->set_inconsistent (overlaid != 0 && stacked != 0);
+               
+               items.push_back (MenuElem (_("Layers"), *layers_menu));
 
-               alignment_items.push_back (RadioMenuElem (align_group, _("Align with existing material"),
-                                       sigc::bind (sigc::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();
+               if (!Profile->get_sae()) {
 
-               alignment_items.push_back (RadioMenuElem (align_group, _("Align with capture time"),
-                                       sigc::bind (sigc::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();
+                       Menu* alignment_menu = manage (new Menu);
+                       MenuList& alignment_items = alignment_menu->items();
+                       alignment_menu->set_name ("ArdourContextMenu");
+                       
+                       RadioMenuItem::Group align_group;
 
-               if (!Profile->get_sae()) {
-                       items.push_back (MenuElem (_("Alignment"), *alignment_menu));
-                       get_diskstream()->AlignmentStyleChanged.connect (route_connections, boost::bind (&RouteTimeAxisView::align_style_changed, this), gui_context());
+                       /* Same verbose hacks as for the layering options above */
 
-                       RadioMenuItem::Group mode_group;
-                       items.push_back (RadioMenuElem (mode_group, _("Normal mode"), sigc::bind (
-                                       sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode),
-                                       ARDOUR::Normal)));
-                       normal_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
+                       int existing = 0;
+                       int capture = 0;
+                        int automatic = 0;
+                        int styles = 0;
+                        boost::shared_ptr<Track> first_track;
 
-                       items.push_back (RadioMenuElem (mode_group, _("Tape mode"), sigc::bind (
-                                       sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode),
-                                       ARDOUR::Destructive)));
-                       destructive_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
+                       TrackSelection const & s = _editor.get_selection().tracks;
+                       for (TrackSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
+                               RouteTimeAxisView* r = dynamic_cast<RouteTimeAxisView*> (*i);
+                               if (!r || !r->is_track ()) {
+                                       continue;
+                               }
 
-                       items.push_back (RadioMenuElem (mode_group, _("No layering mode"),
-                                                       sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::NonLayered)));
-                       non_layered_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
+                                if (!first_track) {
+                                        first_track = r->track();
+                                }
+
+                                switch (r->track()->alignment_choice()) {
+                                case Automatic:
+                                        ++automatic;
+                                        styles |= 0x1;
+                                        switch (r->track()->alignment_style()) {
+                                        case ExistingMaterial:
+                                                ++existing;
+                                                break;
+                                        case CaptureTime:
+                                                ++capture;
+                                                break;
+                                        }
+                                        break;
+                                case UseExistingMaterial:
+                                        ++existing;
+                                        styles |= 0x2;
+                                        break;
+                                case UseCaptureTime:
+                                        ++capture;
+                                        styles |= 0x4;
+                                        break;
+                                }
+                       }
 
+                        bool inconsistent;
+                        switch (styles) {
+                        case 1:
+                        case 2:
+                        case 4:
+                                inconsistent = false;
+                                break;
+                        default:
+                                inconsistent = true;
+                                break;
+                        }
+
+                        RadioMenuItem* i;
+
+                        if (!inconsistent && first_track) {
+
+                                alignment_items.push_back (RadioMenuElem (align_group, _("Automatic (based on I/O connections)")));
+                                i = dynamic_cast<RadioMenuItem*> (&alignment_items.back());
+                                i->set_active (automatic != 0 && existing == 0 && capture == 0); 
+                                i->signal_activate().connect (sigc::bind (sigc::mem_fun(*this, &RouteTimeAxisView::set_align_choice), i, Automatic, true));
+
+                                switch (first_track->alignment_choice()) {
+                                case Automatic:
+                                        switch (first_track->alignment_style()) { 
+                                        case ExistingMaterial:
+                                                alignment_items.push_back (MenuElem (_("(Currently: Existing Material)")));
+                                                break;
+                                        case CaptureTime:
+                                                alignment_items.push_back (MenuElem (_("(Currently: Capture Time)")));
+                                                break;
+                                        }
+                                        break;
+                                default:
+                                        break;
+                                }
+                                
+                                alignment_items.push_back (RadioMenuElem (align_group, _("Align With Existing Material")));
+                                i = dynamic_cast<RadioMenuItem*> (&alignment_items.back());
+                                i->set_active (existing != 0 && capture == 0 && automatic == 0);
+                                i->signal_activate().connect (sigc::bind (sigc::mem_fun(*this, &RouteTimeAxisView::set_align_choice), i, UseExistingMaterial, true));
+                                
+                                alignment_items.push_back (RadioMenuElem (align_group, _("Align With Capture Time")));
+                                i = dynamic_cast<RadioMenuItem*> (&alignment_items.back());
+                                i->set_active (existing == 0 && capture != 0 && automatic == 0);
+                                i->signal_activate().connect (sigc::bind (sigc::mem_fun(*this, &RouteTimeAxisView::set_align_choice), i, UseCaptureTime, true));
+
+                                items.push_back (MenuElem (_("Alignment"), *alignment_menu));
+
+                        } else {
+                                /* show nothing */
+                        }
+
+                       Menu* mode_menu = manage (new Menu);
+                       MenuList& mode_items = mode_menu->items ();
+                       mode_menu->set_name ("ArdourContextMenu");
 
+                       RadioMenuItem::Group mode_group;
 
-                       switch (track()->mode()) {
-                       case ARDOUR::Destructive:
-                               destructive_track_mode_item->set_active ();
-                               break;
-                       case ARDOUR::Normal:
-                               normal_track_mode_item->set_active ();
-                               break;
-                       case ARDOUR::NonLayered:
-                               non_layered_track_mode_item->set_active ();
-                               break;
+                       int normal = 0;
+                       int tape = 0;
+                       int non_layered = 0;
+
+                       for (TrackSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
+                               RouteTimeAxisView* r = dynamic_cast<RouteTimeAxisView*> (*i);
+                               if (!r || !r->is_track ()) {
+                                       continue;
+                               }
+                               
+                               switch (r->track()->mode()) {
+                               case Normal:
+                                       ++normal;
+                                       break;
+                               case Destructive:
+                                       ++tape;
+                                       break;
+                               case NonLayered:
+                                       ++non_layered;
+                                       break;
+                               }
                        }
-               }
 
-               get_diskstream()->AlignmentStyleChanged.connect (route_connections, boost::bind (&RouteTimeAxisView::align_style_changed, this), gui_context());
+                       mode_items.push_back (RadioMenuElem (mode_group, _("Normal Mode")));
+                       i = dynamic_cast<RadioMenuItem*> (&mode_items.back ());
+                       i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::Normal, true));
+                       i->set_active (normal != 0 && tape == 0 && non_layered == 0);
+                       i->set_inconsistent (normal != 0 && (tape != 0 || non_layered != 0));
+
+                       mode_items.push_back (RadioMenuElem (mode_group, _("Tape Mode")));
+                       i = dynamic_cast<RadioMenuItem*> (&mode_items.back ());
+                       i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::Destructive, true));
+                       i->set_active (normal == 0 && tape != 0 && non_layered == 0);
+                       i->set_inconsistent (tape != 0 && (normal != 0 || non_layered != 0));
+
+                       mode_items.push_back (RadioMenuElem (mode_group, _("Non-Layered Mode")));
+                       i = dynamic_cast<RadioMenuItem*> (&mode_items.back ());
+                       i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::NonLayered, true));
+                       i->set_active (normal == 0 && tape == 0 && non_layered != 0);
+                       i->set_inconsistent (non_layered != 0 && (normal != 0 || tape != 0));
 
-               mode_menu = build_mode_menu();
-               if (mode_menu)
                        items.push_back (MenuElem (_("Mode"), *mode_menu));
+               }
 
                color_mode_menu = build_color_mode_menu();
-               if (color_mode_menu)
+               if (color_mode_menu) {
                        items.push_back (MenuElem (_("Color Mode"), *color_mode_menu));
+               }
 
                items.push_back (SeparatorElem());
-       }
 
-       items.push_back (CheckMenuElem (_("Active"), sigc::mem_fun(*this, &RouteUI::toggle_route_active)));
-       route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
-       route_active_menu_item->set_active (_route->active());
+               build_playlist_menu ();
+               items.push_back (MenuElem (_("Playlist"), *playlist_action_menu));
+               items.back().set_sensitive (_editor.get_selection().tracks.size() <= 1);
 
-       items.push_back (SeparatorElem());
-       items.push_back (MenuElem (_("Hide"), sigc::mem_fun(*this, &RouteTimeAxisView::hide_click)));
-       if (!Profile->get_sae()) {
-               items.push_back (MenuElem (_("Remove"), sigc::mem_fun(*this, &RouteUI::remove_this_route)));
-       } else {
-               items.push_front (SeparatorElem());
-               items.push_front (MenuElem (_("Delete"), sigc::mem_fun(*this, &RouteUI::remove_this_route)));
-       }
-}
+               route_group_menu->detach ();
 
-static bool __reset_item (RadioMenuItem* item, RadioMenuItem* item_2)
-{
-       item->set_active ();
-       item_2->set_active ();
-       return false;
-}
+               WeakRouteList r;
+               for (TrackSelection::iterator i = _editor.get_selection().tracks.begin(); i != _editor.get_selection().tracks.end(); ++i) {
+                       RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
+                       if (rtv) {
+                               r.push_back (rtv->route ());
+                       }
+               }
 
-void
-RouteTimeAxisView::set_track_mode (TrackMode mode)
-{
-       RadioMenuItem* item;
-       RadioMenuItem* other_item;
-       RadioMenuItem* other_item_2;
+               if (r.empty ()) {
+                       r.push_back (route ());
+               }
+               
+               route_group_menu->build (r);
+               items.push_back (MenuElem (_("Route Group"), *route_group_menu->menu ()));
 
-       switch (mode) {
-       case ARDOUR::Normal:
-               item = normal_track_mode_item;
-               other_item = non_layered_track_mode_item;
-               other_item_2 = destructive_track_mode_item;
-               break;
-       case ARDOUR::NonLayered:
-               item = non_layered_track_mode_item;
-               other_item = normal_track_mode_item;
-               other_item_2 = destructive_track_mode_item;
-               break;
-       case ARDOUR::Destructive:
-               item = destructive_track_mode_item;
-               other_item = normal_track_mode_item;
-               other_item_2 = non_layered_track_mode_item;
-               break;
-       default:
-               fatal << string_compose (_("programming error: %1 %2"), "illegal track mode in RouteTimeAxisView::set_track_mode", mode) << endmsg;
-               /*NOTREACHED*/
-               return;
-       }
+               build_automation_action_menu (true);
+               items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 
-       if (item && other_item && other_item_2 && item->get_active() && track()->mode() != mode) {
-               _set_track_mode (track().get(), mode, other_item, other_item_2);
+               items.push_back (SeparatorElem());
        }
-}
-
-void
-RouteTimeAxisView::_set_track_mode (Track* track, TrackMode mode, RadioMenuItem* reset_item, RadioMenuItem* reset_item_2)
-{
-       bool needs_bounce;
 
-       if (!track->can_use_mode (mode, needs_bounce)) {
+       int active = 0;
+       int inactive = 0;
+       TrackSelection const & s = _editor.get_selection().tracks;
+       for (TrackSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
+               RouteTimeAxisView* r = dynamic_cast<RouteTimeAxisView*> (*i);
+               if (!r) {
+                       continue;
+               }
 
-               if (!needs_bounce) {
-                       /* cannot be done */
-                       Glib::signal_idle().connect (sigc::bind (sigc::ptr_fun (__reset_item), reset_item, reset_item_2));
-                       return;
+               if (r->route()->active()) {
+                       ++active;
                } else {
-                       cerr << "would bounce this one\n";
-                       return;
+                       ++inactive;
                }
        }
 
-       track->set_mode (mode);
-
-       rec_enable_button->remove ();
-
-       switch (mode) {
-       case ARDOUR::NonLayered:
-       case ARDOUR::Normal:
-               rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_normal_red"))))));
-               break;
-       case ARDOUR::Destructive:
-               rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_tape_red"))))));
-               break;
+       items.push_back (CheckMenuElem (_("Active")));
+       CheckMenuItem* i = dynamic_cast<CheckMenuItem *> (&items.back());
+       bool click_sets_active = true;
+       if (active > 0 && inactive == 0) {
+               i->set_active (true);
+               click_sets_active = false;
+       } else if (active > 0 && inactive > 0) {
+               i->set_inconsistent (true);
        }
+       i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::set_route_active), click_sets_active, true));
 
-       rec_enable_button->show_all ();
+       items.push_back (SeparatorElem());
+       items.push_back (MenuElem (_("Hide"), sigc::bind (sigc::mem_fun(_editor, &PublicEditor::hide_track_in_display), this, true)));
+       if (!Profile->get_sae()) {
+               items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun(*this, &RouteUI::remove_this_route), true)));
+       } else {
+               items.push_front (SeparatorElem());
+               items.push_front (MenuElem (_("Delete"), sigc::bind (sigc::mem_fun(*this, &RouteUI::remove_this_route), true)));
+       }
 }
 
 void
-RouteTimeAxisView::track_mode_changed ()
+RouteTimeAxisView::set_track_mode (TrackMode mode, bool apply_to_selection)
 {
-       RadioMenuItem* item;
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::set_track_mode, _1, mode, false));
+       } else {
 
-       switch (track()->mode()) {
-       case ARDOUR::Normal:
-               item = normal_track_mode_item;
-               break;
-       case ARDOUR::NonLayered:
-               item = non_layered_track_mode_item;
-               break;
-       case ARDOUR::Destructive:
-               item = destructive_track_mode_item;
-               break;
-       default:
-               fatal << string_compose (_("programming error: %1 %2"), "illegal track mode in RouteTimeAxisView::set_track_mode", track()->mode()) << endmsg;
-               /*NOTREACHED*/
-               return;
-       }
+               bool needs_bounce;
 
-       item->set_active ();
+               if (!track()->can_use_mode (mode, needs_bounce)) {
+                       
+                       if (!needs_bounce) {
+                               /* cannot be done */
+                               return;
+                       } else {
+                               cerr << "would bounce this one\n";
+                               return;
+                       }
+               }
+               
+               track()->set_mode (mode);
+               
+               rec_enable_button->remove ();
+               
+               switch (mode) {
+               case ARDOUR::NonLayered:
+               case ARDOUR::Normal:
+                       rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_normal_red"))))));
+                       break;
+               case ARDOUR::Destructive:
+                       rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_tape_red"))))));
+                       break;
+               }
+               
+               rec_enable_button->show_all ();
+       }
 }
 
 void
-RouteTimeAxisView::show_timestretch (nframes_t start, nframes_t end)
+RouteTimeAxisView::show_timestretch (framepos_t start, framepos_t end)
 {
        double x1;
        double x2;
@@ -774,14 +864,15 @@ RouteTimeAxisView::set_height (uint32_t h)
        snprintf (buf, sizeof (buf), "%u", height);
        xml_node->add_property ("height", buf);
 
-       if (height >= hNormal) {
+       if (height >= preset_height (HeightNormal)) {
+               
+               _controls_padding_table.set_row_spacings (2);
+               
                reset_meter();
-               show_name_entry ();
-               hide_name_label ();
 
                gm.get_gain_slider().show();
                mute_button->show();
-               if (!_route || _route->is_control()) {
+               if (!_route || _route->is_monitor()) {
                        solo_button->hide();
                } else {
                        solo_button->show();
@@ -790,24 +881,21 @@ RouteTimeAxisView::set_height (uint32_t h)
                        rec_enable_button->show();
 
                route_group_button.show();
-               hide_button.show();
-               visual_button.show();
-               size_button.show();
                automation_button.show();
 
                if (is_track() && track()->mode() == ARDOUR::Normal) {
                        playlist_button.show();
                }
 
-       } else if (height >= hSmaller) {
+       } else if (height >= preset_height (HeightSmaller)) {
+
+               _controls_padding_table.set_row_spacings (2);
 
                reset_meter();
-               show_name_entry ();
-               hide_name_label ();
 
                gm.get_gain_slider().hide();
                mute_button->show();
-               if (!_route || _route->is_control()) {
+               if (!_route || _route->is_monitor()) {
                        solo_button->hide();
                } else {
                        solo_button->show();
@@ -816,9 +904,6 @@ RouteTimeAxisView::set_height (uint32_t h)
                        rec_enable_button->show();
 
                route_group_button.hide ();
-               hide_button.hide ();
-               visual_button.hide ();
-               size_button.hide ();
                automation_button.hide ();
 
                if (is_track() && track()->mode() == ARDOUR::Normal) {
@@ -827,34 +912,8 @@ RouteTimeAxisView::set_height (uint32_t h)
 
        } else {
 
-
-               /* don't allow name_entry to be hidden while
-                  it has focus, otherwise the GUI becomes unusable.
-               */
-
-               if (name_entry.has_focus()) {
-                       if (name_entry.get_text() != _route->name()) {
-                               name_entry_changed ();
-                       }
-                       controls_ebox.grab_focus ();
-               }
-
-               hide_name_entry ();
-               show_name_label ();
-
-               gm.get_gain_slider().hide();
-               mute_button->hide();
-               solo_button->hide();
-               if (rec_enable_button)
-                       rec_enable_button->hide();
-
-               route_group_button.hide ();
-               hide_button.hide ();
-               visual_button.hide ();
-               size_button.hide ();
-               automation_button.hide ();
-               playlist_button.hide ();
-               name_label.set_text (_route->name());
+               _controls_padding_table.set_row_spacings (0);
+       
        }
 
        if (height_changed && !no_redraw) {
@@ -864,13 +923,12 @@ RouteTimeAxisView::set_height (uint32_t h)
 }
 
 void
-RouteTimeAxisView::select_track_color ()
+RouteTimeAxisView::set_color (Gdk::Color const & c)
 {
-       if (RouteUI::choose_color ()) {
-
-               if (_view) {
-                       _view->apply_color (_color, StreamView::RegionColor);
-               }
+       RouteUI::set_color (c);
+       
+       if (_view) {
+               _view->apply_color (_color, StreamView::RegionColor);
        }
 }
 
@@ -880,13 +938,21 @@ RouteTimeAxisView::reset_samples_per_unit ()
        set_samples_per_unit (_editor.get_current_zoom());
 }
 
+void
+RouteTimeAxisView::horizontal_position_changed ()
+{
+       if (_view) {
+               _view->horizontal_position_changed ();
+       }
+}
+
 void
 RouteTimeAxisView::set_samples_per_unit (double spu)
 {
        double speed = 1.0;
 
-       if (get_diskstream() != 0) {
-               speed = get_diskstream()->speed();
+       if (track()) {
+               speed = track()->speed();
        }
 
        if (_view) {
@@ -897,42 +963,21 @@ RouteTimeAxisView::set_samples_per_unit (double spu)
 }
 
 void
-RouteTimeAxisView::align_style_changed ()
+RouteTimeAxisView::set_align_choice (RadioMenuItem* mitem, AlignChoice choice, bool apply_to_selection)
 {
-       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)
-{
-       RadioMenuItem* item;
-
-       switch (style) {
-       case ExistingMaterial:
-               item = align_existing_item;
-               break;
-       case CaptureTime:
-               item = align_capture_item;
-               break;
-       default:
-               fatal << string_compose (_("programming error: %1 %2"), "illegal align style in RouteTimeAxisView::set_align_style", style) << endmsg;
-               /*NOTREACHED*/
-               return;
-       }
+        if (!mitem->get_active()) {
+                /* this is one of the two calls made when these radio menu items change status. this one
+                   is for the item that became inactive, and we want to ignore it.
+                */
+                return;
+        }
 
-       if (item->get_active()) {
-               get_diskstream()->set_align_style (style);
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::set_align_choice, _1, mitem, choice, false));
+       } else {
+               if (track ()) {
+                       track()->set_align_choice (choice);
+               }
        }
 }
 
@@ -942,15 +987,18 @@ RouteTimeAxisView::rename_current_playlist ()
        ArdourPrompter prompter (true);
        string name;
 
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
-       if (!ds || ds->destructive())
+       boost::shared_ptr<Track> tr = track();
+       if (!tr || tr->destructive()) {
                return;
+       }
 
-       boost::shared_ptr<Playlist> pl = ds->playlist();
-       if (!pl)
+       boost::shared_ptr<Playlist> pl = tr->playlist();
+       if (!pl) {
                return;
+       }
 
-       prompter.set_prompt (_("Name for playlist"));
+       prompter.set_title (_("Rename Playlist"));
+       prompter.set_prompt (_("New name for playlist:"));
        prompter.set_initial_text (pl->name());
        prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
        prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
@@ -1008,17 +1056,19 @@ RouteTimeAxisView::use_copy_playlist (bool prompt, vector<boost::shared_ptr<Play
 {
        string name;
 
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
-       if (!ds || ds->destructive())
+       boost::shared_ptr<Track> tr = track ();
+       if (!tr || tr->destructive()) {
                return;
+       }
 
-       boost::shared_ptr<const Playlist> pl = ds->playlist();
-       if (!pl)
+       boost::shared_ptr<const Playlist> pl = tr->playlist();
+       if (!pl) {
                return;
+       }
 
        name = pl->name();
 
-       if (route_group() && route_group()->is_active()) {
+       if (route_group() && route_group()->is_active() && route_group()->enabled_property (ARDOUR::Properties::edit.property_id)) {
                name = resolve_new_group_playlist_name(name, playlists_before_op);
        }
 
@@ -1033,7 +1083,8 @@ RouteTimeAxisView::use_copy_playlist (bool prompt, vector<boost::shared_ptr<Play
 
                ArdourPrompter prompter (true);
 
-               prompter.set_prompt (_("Name for Playlist"));
+               prompter.set_title (_("New Copy Playlist"));
+               prompter.set_prompt (_("Name for new playlist:"));
                prompter.set_initial_text (name);
                prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
                prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
@@ -1050,8 +1101,8 @@ RouteTimeAxisView::use_copy_playlist (bool prompt, vector<boost::shared_ptr<Play
        }
 
        if (name.length()) {
-               ds->use_copy_playlist ();
-               ds->playlist()->set_name (name);
+               tr->use_copy_playlist ();
+               tr->playlist()->set_name (name);
        }
 }
 
@@ -1060,17 +1111,19 @@ RouteTimeAxisView::use_new_playlist (bool prompt, vector<boost::shared_ptr<Playl
 {
        string name;
 
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
-       if (!ds || ds->destructive())
+       boost::shared_ptr<Track> tr = track ();
+       if (!tr || tr->destructive()) {
                return;
+       }
 
-       boost::shared_ptr<const Playlist> pl = ds->playlist();
-       if (!pl)
+       boost::shared_ptr<const Playlist> pl = tr->playlist();
+       if (!pl) {
                return;
+       }
 
        name = pl->name();
 
-       if (route_group() && route_group()->is_active()) {
+       if (route_group() && route_group()->is_active() && route_group()->enabled_property (ARDOUR::Properties::edit.property_id)) {
                name = resolve_new_group_playlist_name(name,playlists_before_op);
        }
 
@@ -1083,7 +1136,8 @@ RouteTimeAxisView::use_new_playlist (bool prompt, vector<boost::shared_ptr<Playl
 
                ArdourPrompter prompter (true);
 
-               prompter.set_prompt (_("Name for Playlist"));
+               prompter.set_title (_("New Playlist"));
+               prompter.set_prompt (_("Name for new playlist:"));
                prompter.set_initial_text (name);
                prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
                prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
@@ -1099,21 +1153,23 @@ RouteTimeAxisView::use_new_playlist (bool prompt, vector<boost::shared_ptr<Playl
        }
 
        if (name.length()) {
-               ds->use_new_playlist ();
-               ds->playlist()->set_name (name);
+               tr->use_new_playlist ();
+               tr->playlist()->set_name (name);
        }
 }
 
 void
 RouteTimeAxisView::clear_playlist ()
 {
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
-       if (!ds || ds->destructive())
+       boost::shared_ptr<Track> tr = track ();
+       if (!tr || tr->destructive()) {
                return;
+       }
 
-       boost::shared_ptr<Playlist> pl = ds->playlist();
-       if (!pl)
+       boost::shared_ptr<Playlist> pl = tr->playlist();
+       if (!pl) {
                return;
+       }
 
        _editor.clear_playlist (pl);
 }
@@ -1121,20 +1177,15 @@ RouteTimeAxisView::clear_playlist ()
 void
 RouteTimeAxisView::speed_changed ()
 {
-       Gtkmm2ext::UI::instance()->call_slot (boost::bind (&RouteTimeAxisView::reset_samples_per_unit, this));
-}
-
-void
-RouteTimeAxisView::diskstream_changed ()
-{
-       Gtkmm2ext::UI::instance()->call_slot (boost::bind (&RouteTimeAxisView::update_diskstream_display, this));
+       Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&RouteTimeAxisView::reset_samples_per_unit, this));
 }
 
 void
 RouteTimeAxisView::update_diskstream_display ()
 {
-       if (!get_diskstream()) // bus
+       if (!track()) {
                return;
+       }
 
        map_frozen ();
 }
@@ -1193,16 +1244,16 @@ RouteTimeAxisView::set_selected_regionviews (RegionSelection& regions)
  * @param results List to add things to.
  */
 void
-RouteTimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results)
+RouteTimeAxisView::get_selectables (framepos_t start, framepos_t end, double top, double bot, list<Selectable*>& results)
 {
        double speed = 1.0;
 
-       if (get_diskstream() != 0) {
-               speed = get_diskstream()->speed();
+       if (track() != 0) {
+               speed = track()->speed();
        }
 
-       nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
-       nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
+       framepos_t const start_adjusted = session_frame_to_track_frame(start, speed);
+       framepos_t const 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, top, bot, results);
@@ -1233,34 +1284,6 @@ RouteTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>&
        return;
 }
 
-bool
-RouteTimeAxisView::show_automation(Evoral::Parameter param)
-{
-       return (_show_automation.find(param) != _show_automation.end());
-}
-
-/** Retuns 0 if track for \a param doesn't exist.
- */
-RouteTimeAxisView::RouteAutomationNode*
-RouteTimeAxisView::automation_track (Evoral::Parameter param)
-{
-       map<Evoral::Parameter, RouteAutomationNode*>::iterator i = _automation_tracks.find (param);
-
-       if (i != _automation_tracks.end()) {
-               return i->second;
-       } else {
-               return 0;
-       }
-}
-
-/** Shorthand for GainAutomation, etc.
- */
-RouteTimeAxisView::RouteAutomationNode*
-RouteTimeAxisView::automation_track (AutomationType type)
-{
-       return automation_track (Evoral::Parameter(type));
-}
-
 RouteGroup*
 RouteTimeAxisView::route_group () const
 {
@@ -1276,10 +1299,10 @@ RouteTimeAxisView::name() const
 boost::shared_ptr<Playlist>
 RouteTimeAxisView::playlist () const
 {
-       boost::shared_ptr<Diskstream> ds;
+       boost::shared_ptr<Track> tr;
 
-       if ((ds = get_diskstream()) != 0) {
-               return ds->playlist();
+       if ((tr = track()) != 0) {
+               return tr->playlist();
        } else {
                return boost::shared_ptr<Playlist> ();
        }
@@ -1307,73 +1330,54 @@ RouteTimeAxisView::name_entry_changed ()
                ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
                name_entry.set_text (_route->name());
        } else if (_session->route_name_internal (x)) {
-               ARDOUR_UI::instance()->popup_error (_("You cannot create a track with that name as it is reserved for Ardour"));
+               ARDOUR_UI::instance()->popup_error (string_compose (_("You cannot create a track with that name as it is reserved for %1"),
+                                                                    PROGRAM_NAME));
                name_entry.set_text (_route->name());
        } else {
                _route->set_name (x);
        }
 }
 
-void
-RouteTimeAxisView::visual_click ()
-{
-       popup_display_menu (0);
-}
-
-void
-RouteTimeAxisView::hide_click ()
-{
-       // LAME fix for hide_button refresh fix
-       hide_button.set_sensitive(false);
-
-       _editor.hide_track_in_display (*this);
-
-       hide_button.set_sensitive(true);
-}
-
 boost::shared_ptr<Region>
-RouteTimeAxisView::find_next_region (nframes_t pos, RegionPoint point, int32_t dir)
+RouteTimeAxisView::find_next_region (framepos_t pos, RegionPoint point, int32_t dir)
 {
-       boost::shared_ptr<Diskstream> stream;
-       boost::shared_ptr<Playlist> playlist;
+       boost::shared_ptr<Playlist> pl = playlist ();
 
-       if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
-               return playlist->find_next_region (pos, point, dir);
+       if (pl) {
+               return pl->find_next_region (pos, point, dir);
        }
 
        return boost::shared_ptr<Region> ();
 }
 
-nframes64_t
-RouteTimeAxisView::find_next_region_boundary (nframes64_t pos, int32_t dir)
+framepos_t
+RouteTimeAxisView::find_next_region_boundary (framepos_t pos, int32_t dir)
 {
-       boost::shared_ptr<Diskstream> stream;
-       boost::shared_ptr<Playlist> playlist;
+       boost::shared_ptr<Playlist> pl = playlist ();
 
-       if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
-               return playlist->find_next_region_boundary (pos, dir);
+       if (pl) {
+               return pl->find_next_region_boundary (pos, dir);
        }
 
        return -1;
 }
 
-bool
+void
 RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
 {
        boost::shared_ptr<Playlist> what_we_got;
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
+       boost::shared_ptr<Track> tr = track ();
        boost::shared_ptr<Playlist> playlist;
-       bool ret = false;
 
-       if (ds == 0) {
+       if (tr == 0) {
                /* route is a bus, not a track */
-               return false;
+               return;
        }
 
-       playlist = ds->playlist();
+       playlist = tr->playlist();
 
        TimeSelection time (selection.time);
-       float speed = ds->speed();
+       float const speed = tr->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);
@@ -1381,13 +1385,19 @@ RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
                }
        }
 
-       XMLNode &before = playlist->get_state();
+        playlist->clear_changes ();
+        playlist->clear_owned_changes ();
+
        switch (op) {
        case Cut:
                if ((what_we_got = playlist->cut (time)) != 0) {
                        _editor.get_cut_buffer().add (what_we_got);
-                       _session->add_command( new MementoCommand<Playlist>(*playlist.get(), &before, &playlist->get_state()));
-                       ret = true;
+
+                        vector<Command*> cmds;
+                        playlist->rdiff (cmds);
+                        _session->add_commands (cmds);
+                       
+                        _session->add_command (new StatefulDiffCommand (playlist));
                }
                break;
        case Copy:
@@ -1398,24 +1408,25 @@ RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
 
        case Clear:
                if ((what_we_got = playlist->cut (time)) != 0) {
-                       _session->add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
+
+                        vector<Command*> cmds;
+                        playlist->rdiff (cmds);
+                       _session->add_commands (cmds);
+                        _session->add_command (new StatefulDiffCommand (playlist));
                        what_we_got->release ();
-                       ret = true;
                }
                break;
        }
-
-       return ret;
 }
 
 bool
-RouteTimeAxisView::paste (nframes_t pos, float times, Selection& selection, size_t nth)
+RouteTimeAxisView::paste (framepos_t pos, float times, Selection& selection, size_t nth)
 {
        if (!is_track()) {
                return false;
        }
 
-       boost::shared_ptr<Playlist> playlist = get_diskstream()->playlist();
+       boost::shared_ptr<Playlist> pl = playlist ();
        PlaylistSelection::iterator p;
 
        for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth) {}
@@ -1424,80 +1435,80 @@ RouteTimeAxisView::paste (nframes_t pos, float times, Selection& selection, size
                return false;
        }
 
-       if (get_diskstream()->speed() != 1.0f) {
-               pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
+        DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("paste to %1\n", pos));
+
+       if (track()->speed() != 1.0f) {
+               pos = session_frame_to_track_frame (pos, track()->speed());
+                DEBUG_TRACE (DEBUG::CutNPaste, string_compose ("modified paste to %1\n", pos));
        }
 
-       XMLNode &before = playlist->get_state();
-       playlist->paste (*p, pos, times);
-       _session->add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
+        pl->clear_changes ();
+       pl->paste (*p, pos, times);
+       _session->add_command (new StatefulDiffCommand (pl));
 
        return true;
 }
 
 
-TimeAxisView::Children
-RouteTimeAxisView::get_child_list()
-{
-       TimeAxisView::Children redirect_children;
-
-       for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-               if (!(*i)->hidden()) {
-                       redirect_children.push_back(*i);
-               }
-       }
-       return redirect_children;
-}
-
+struct PlaylistSorter {
+    bool operator() (boost::shared_ptr<Playlist> a, boost::shared_ptr<Playlist> b) const {
+            return a->sort_id() < b->sort_id();
+    }
+};
 
 void
-RouteTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
+RouteTimeAxisView::build_playlist_menu ()
 {
        using namespace Menu_Helpers;
 
-       if (!menu || !is_track()) {
+       if (!is_track()) {
                return;
        }
 
-       MenuList& playlist_items = menu->items();
-       menu->set_name ("ArdourContextMenu");
-       playlist_items.clear();
-
-       delete playlist_menu;
+       delete playlist_action_menu;
+       playlist_action_menu = new Menu;
+       playlist_action_menu->set_name ("ArdourContextMenu");
 
-       playlist_menu = new Menu;
-       playlist_menu->set_name ("ArdourContextMenu");
+       MenuList& playlist_items = playlist_action_menu->items();
+       playlist_action_menu->set_name ("ArdourContextMenu");
+       playlist_items.clear();
 
-       vector<boost::shared_ptr<Playlist> > playlists;
-       boost::shared_ptr<Diskstream> ds = get_diskstream();
+        vector<boost::shared_ptr<Playlist> > playlists, playlists_tr;
+       boost::shared_ptr<Track> tr = track();
        RadioMenuItem::Group playlist_group;
 
        _session->playlists->get (playlists);
 
-       for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
-
-               if ((*i)->get_orig_diskstream_id() == ds->id()) {
-                       playlist_items.push_back (RadioMenuElem (playlist_group, (*i)->name(), sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::use_playlist),
-                                                                                                    boost::weak_ptr<Playlist> (*i))));
-
-                       if (ds->playlist()->id() == (*i)->id()) {
-                               static_cast<RadioMenuItem*>(&playlist_items.back())->set_active();
-                       }
-               } else if (ds->playlist()->id() == (*i)->id()) {
-                       playlist_items.push_back (RadioMenuElem (playlist_group, (*i)->name(), sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::use_playlist),
-                                                                                                    boost::weak_ptr<Playlist>(*i))));
-                       static_cast<RadioMenuItem*>(&playlist_items.back())->set_active();
-
+        /* find the playlists for this diskstream */
+        for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+                if (((*i)->get_orig_diskstream_id() == tr->diskstream_id()) || (tr->playlist()->id() == (*i)->id())) {
+                        playlists_tr.push_back(*i);
+                }
+        }
+
+        /* sort the playlists */
+        PlaylistSorter cmp;
+        sort (playlists_tr.begin(), playlists_tr.end(), cmp);
+        
+        /* add the playlists to the menu */
+        for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists_tr.begin(); i != playlists_tr.end(); ++i) {
+                playlist_items.push_back (RadioMenuElem (playlist_group, (*i)->name()));
+                RadioMenuItem *item = static_cast<RadioMenuItem*>(&playlist_items.back());
+                item->signal_toggled().connect(sigc::bind (sigc::mem_fun (*this, &RouteTimeAxisView::use_playlist), item, boost::weak_ptr<Playlist> (*i)));
+                
+                if (tr->playlist()->id() == (*i)->id()) {
+                        item->set_active();
+                        
                }
        }
-
+        
        playlist_items.push_back (SeparatorElem());
-       playlist_items.push_back (MenuElem (_("Rename"), sigc::mem_fun(*this, &RouteTimeAxisView::rename_current_playlist)));
+       playlist_items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &RouteTimeAxisView::rename_current_playlist)));
        playlist_items.push_back (SeparatorElem());
 
-       if (!route_group() || !route_group()->is_active()) {
-               playlist_items.push_back (MenuElem (_("New"), sigc::bind(sigc::mem_fun(_editor, &PublicEditor::new_playlists), this)));
-               playlist_items.push_back (MenuElem (_("New Copy"), sigc::bind(sigc::mem_fun(_editor, &PublicEditor::copy_playlists), this)));
+       if (!route_group() || !route_group()->is_active() || !route_group()->enabled_property (ARDOUR::Properties::edit.property_id)) {
+               playlist_items.push_back (MenuElem (_("New..."), sigc::bind(sigc::mem_fun(_editor, &PublicEditor::new_playlists), this)));
+               playlist_items.push_back (MenuElem (_("New Copy..."), sigc::bind(sigc::mem_fun(_editor, &PublicEditor::copy_playlists), this)));
 
        } else {
                // Use a label which tells the user what is happening
@@ -1510,14 +1521,19 @@ RouteTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
        playlist_items.push_back (MenuElem (_("Clear Current"), sigc::bind(sigc::mem_fun(_editor, &PublicEditor::clear_playlists), this)));
        playlist_items.push_back (SeparatorElem());
 
-       playlist_items.push_back (MenuElem(_("Select from all ..."), sigc::mem_fun(*this, &RouteTimeAxisView::show_playlist_selector)));
+       playlist_items.push_back (MenuElem(_("Select from all..."), sigc::mem_fun(*this, &RouteTimeAxisView::show_playlist_selector)));
 }
 
 void
-RouteTimeAxisView::use_playlist (boost::weak_ptr<Playlist> wpl)
+RouteTimeAxisView::use_playlist (RadioMenuItem *item, boost::weak_ptr<Playlist> wpl)
 {
        assert (is_track());
 
+        // exit if we were triggered by deactivating the old playlist
+        if (!item->get_active()) {
+                return;
+        }
+
        boost::shared_ptr<Playlist> pl (wpl.lock());
 
        if (!pl) {
@@ -1527,16 +1543,17 @@ RouteTimeAxisView::use_playlist (boost::weak_ptr<Playlist> wpl)
        boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
 
        if (apl) {
-               if (get_diskstream()->playlist() == apl) {
-                       // radio button cotnrols mean this function is called for both the
-                       // old and new playlist
+               if (track()->playlist() == apl) {
+                        // exit when use_playlist is called by the creation of the playlist menu
+                        // or the playlist choice is unchanged
                        return;
                }
-               get_diskstream()->use_playlist (apl);
+               track()->use_playlist (apl);
 
+               RouteGroup* rg = route_group();
 
-               if (route_group() && route_group()->is_active()) {
-                       std::string group_string = "."+route_group()->name()+".";
+               if (rg && rg->is_active() && rg->enabled_property (ARDOUR::Properties::edit.property_id)) {
+                       std::string group_string = "." + rg->name() + ".";
 
                        std::string take_name = apl->name();
                        std::string::size_type idx = take_name.find(group_string);
@@ -1546,7 +1563,7 @@ RouteTimeAxisView::use_playlist (boost::weak_ptr<Playlist> wpl)
 
                        take_name = take_name.substr(idx + group_string.length()); // find the bit containing the take number / name
 
-                       boost::shared_ptr<RouteList> rl (route_group()->route_list());
+                       boost::shared_ptr<RouteList> rl (rg->route_list());
 
                        for (RouteList::const_iterator i = rl->begin(); i != rl->end(); ++i) {
                                if ( (*i) == this->route()) {
@@ -1557,17 +1574,16 @@ RouteTimeAxisView::use_playlist (boost::weak_ptr<Playlist> wpl)
 
                                boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track>(*i);
                                if (!track) {
-                                       std::cerr << "route " << (*i)->name() << " is not a Track" << std::endl;
                                        continue;
                                }
 
                                boost::shared_ptr<Playlist> ipl = session()->playlists->by_name(playlist_name);
                                if (!ipl) {
                                        // No playlist for this track for this take yet, make it
-                                       track->diskstream()->use_new_playlist();
-                                       track->diskstream()->playlist()->set_name(playlist_name);
+                                       track->use_new_playlist();
+                                       track->playlist()->set_name(playlist_name);
                                } else {
-                                       track->diskstream()->use_playlist(ipl);
+                                       track->use_playlist(ipl);
                                }
                        }
                }
@@ -1622,14 +1638,16 @@ RouteTimeAxisView::color_handler ()
 void
 RouteTimeAxisView::toggle_automation_track (const Evoral::Parameter& param)
 {
-       RouteAutomationNode* node = automation_track(param);
+       boost::shared_ptr<AutomationTimeAxisView> track = automation_child (param);
+       Gtk::CheckMenuItem* menu = automation_child_menu_item (param);
        
-       if (!node) {
+       if (!track) {
                /* it doesn't exist yet, so we don't care about the button state: just add it */
                create_automation_child (param, true);
        } else {
-               bool yn = node->menu_item->get_active();
-               if (node->track->set_visibility (node->menu_item->get_active()) && yn) {
+               assert (menu);
+               bool yn = menu->get_active();
+               if (track->set_visibility (menu->get_active()) && yn) {
                        
                        /* we made it visible, now trigger a redisplay. if it was hidden, then automation_track_hidden()
                           will have done that for us.
@@ -1645,19 +1663,20 @@ RouteTimeAxisView::toggle_automation_track (const Evoral::Parameter& param)
 void
 RouteTimeAxisView::automation_track_hidden (Evoral::Parameter param)
 {
-       RouteAutomationNode* ran = automation_track(param);
+       boost::shared_ptr<AutomationTimeAxisView> track = automation_child (param);
 
-       if (!ran) {
+       if (!track) {
                return;
        }
 
+       Gtk::CheckMenuItem* menu = automation_child_menu_item (param);
+
        // if Evoral::Parameter::operator< doesn't obey strict weak ordering, we may crash here....
-       _show_automation.erase (param);
-       ran->track->get_state_node()->add_property (X_("shown"), X_("no"));
+       track->get_state_node()->add_property (X_("shown"), X_("no"));
 
-       if (ran->menu_item && !_hidden) {
+       if (menu && !_hidden) {
                ignore_toggle = true;
-               ran->menu_item->set_active (false);
+               menu->set_active (false);
                ignore_toggle = false;
        }
 
@@ -1668,103 +1687,121 @@ RouteTimeAxisView::automation_track_hidden (Evoral::Parameter param)
 
 
 void
-RouteTimeAxisView::show_all_automation ()
+RouteTimeAxisView::show_all_automation (bool apply_to_selection)
 {
-       no_redraw = true;
-
-       /* Show our automation */
-
-       map<Evoral::Parameter, RouteAutomationNode*>::iterator i;
-       for (i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
-               i->second->track->set_marked_for_display (true);
-               i->second->track->canvas_display()->show();
-               i->second->track->get_state_node()->add_property ("shown", X_("yes"));
-               if (i->second->menu_item) {
-                       i->second->menu_item->set_active(true);
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::show_all_automation, _1, false));
+       } else {
+               no_redraw = true;
+               
+               /* Show our automation */
+               
+               for (AutomationTracks::iterator i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
+                       i->second->set_marked_for_display (true);
+                       i->second->canvas_display()->show();
+                       i->second->get_state_node()->add_property ("shown", X_("yes"));
+                       
+                       Gtk::CheckMenuItem* menu = automation_child_menu_item (i->first);
+                       
+                       if (menu) {
+                               menu->set_active(true);
+                       }
                }
-       }
-
-
-       /* Show processor automation */
-
-       for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
-               for (vector<ProcessorAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       if ((*ii)->view == 0) {
-                               add_processor_automation_curve ((*i)->processor, (*ii)->what);
+               
+               
+               /* Show processor automation */
+               
+               for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
+                       for (vector<ProcessorAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
+                               if ((*ii)->view == 0) {
+                                       add_processor_automation_curve ((*i)->processor, (*ii)->what);
+                               }
+                               
+                               (*ii)->menu_item->set_active (true);
                        }
-
-                       (*ii)->menu_item->set_active (true);
                }
+               
+               no_redraw = false;
+               
+               /* Redraw */
+               
+               _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
        }
-
-       no_redraw = false;
-
-       /* Redraw */
-
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
-
+       
 void
-RouteTimeAxisView::show_existing_automation ()
+RouteTimeAxisView::show_existing_automation (bool apply_to_selection)
 {
-       no_redraw = true;
-
-       /* Show our automation */
-
-       map<Evoral::Parameter, RouteAutomationNode*>::iterator i;
-       for (i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
-               if (i->second->track->line() && i->second->track->line()->npoints() > 0) {
-                       i->second->track->set_marked_for_display (true);
-                       i->second->track->canvas_display()->show();
-                       i->second->track->get_state_node()->add_property ("shown", X_("yes"));
-                       i->second->menu_item->set_active(true);
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::show_existing_automation, _1, false));
+       } else {
+               no_redraw = true;
+               
+               /* Show our automation */
+               
+               for (AutomationTracks::iterator i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
+                       if (i->second->has_automation()) {
+                               i->second->set_marked_for_display (true);
+                               i->second->canvas_display()->show();
+                               i->second->get_state_node()->add_property ("shown", X_("yes"));
+                               
+                               Gtk::CheckMenuItem* menu = automation_child_menu_item (i->first);
+                               if (menu) {
+                                       menu->set_active(true);
+                               }
+                       }
                }
-       }
-
-
-       /* Show processor automation */
-
-       for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
-               for (vector<ProcessorAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       if ((*ii)->view != 0 && (*i)->processor->data().control((*ii)->what)->list()->size() > 0) {
-                               (*ii)->menu_item->set_active (true);
+               
+               
+               /* Show processor automation */
+               
+               for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
+                       for (vector<ProcessorAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
+                               if ((*ii)->view != 0 && (*i)->processor->control((*ii)->what)->list()->size() > 0) {
+                                       (*ii)->menu_item->set_active (true);
+                               }
                        }
                }
+               
+               no_redraw = false;
+               
+               _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
        }
-
-       no_redraw = false;
-
-       _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 void
-RouteTimeAxisView::hide_all_automation ()
+RouteTimeAxisView::hide_all_automation (bool apply_to_selection)
 {
-       no_redraw = true;
-
-       /* Hide our automation */
-
-       for (map<Evoral::Parameter, RouteAutomationNode*>::iterator i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
-               i->second->track->set_marked_for_display (false);
-               i->second->track->hide ();
-               i->second->track->get_state_node()->add_property ("shown", X_("no"));
-               if (i->second->menu_item) {
-                       i->second->menu_item->set_active (false);
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::hide_all_automation, _1, false));
+       } else {
+               no_redraw = true;
+
+               /* Hide our automation */
+               
+               for (AutomationTracks::iterator i = _automation_tracks.begin(); i != _automation_tracks.end(); ++i) {
+                       i->second->set_marked_for_display (false);
+                       i->second->hide ();
+                       i->second->get_state_node()->add_property ("shown", X_("no"));
+                       
+                       Gtk::CheckMenuItem* menu = automation_child_menu_item (i->first);
+                       
+                       if (menu) {
+                               menu->set_active (false);
+                       }
                }
-       }
-
-       /* Hide processor automation */
-
-       for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
-               for (vector<ProcessorAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
-                       (*ii)->menu_item->set_active (false);
+               
+               /* Hide processor automation */
+               
+               for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
+                       for (vector<ProcessorAutomationNode*>::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 */
        }
-
-       _show_automation.clear();
-
-       no_redraw = false;
-        _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 }
 
 
@@ -1772,13 +1809,11 @@ void
 RouteTimeAxisView::region_view_added (RegionView* rv)
 {
        /* XXX need to find out if automation children have automationstreamviews. If yes, no ghosts */
-       if (is_audio_track()) {
-               for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-                       boost::shared_ptr<AutomationTimeAxisView> atv;
-
-                       if ((atv = boost::dynamic_pointer_cast<AutomationTimeAxisView> (*i)) != 0) {
-                               atv->add_ghost(rv);
-                       }
+       for (Children::iterator i = children.begin(); i != children.end(); ++i) {
+               boost::shared_ptr<AutomationTimeAxisView> atv;
+               
+               if ((atv = boost::dynamic_pointer_cast<AutomationTimeAxisView> (*i)) != 0) {
+                       atv->add_ghost(rv);
                }
        }
 
@@ -1852,9 +1887,10 @@ RouteTimeAxisView::add_processor_automation_curve (boost::shared_ptr<Processor>
        ProcessorAutomationNode* pan;
 
        if ((pan = find_processor_automation_node (processor, what)) == 0) {
-               error << _("programming error: ")
-                     << string_compose (X_("processor automation curve for %1:%2 not registered with track!"),
-                                 processor->name(), what)
+                /* session state may never have been saved with new plugin */
+                error << _("programming error: ")
+                     << string_compose (X_("processor automation curve for %1:%2/%3/%4 not registered with track!"),
+                                         processor->name(), what.type(), (int) what.channel(), what.id() )
                      << endmsg;
                /*NOTREACHED*/
                return;
@@ -1871,14 +1907,14 @@ RouteTimeAxisView::add_processor_automation_curve (boost::shared_ptr<Processor>
        /* FIXME: ew */
 
        char state_name[256];
-       snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (processor->name()).c_str(), what.id());
+       snprintf (state_name, sizeof (state_name), "%s-%" PRIu32, legalize_for_xml_node (processor->name()).c_str(), what.id());
 
        boost::shared_ptr<AutomationControl> control
-                       = boost::dynamic_pointer_cast<AutomationControl>(processor->data().control(what, true));
+                       = boost::dynamic_pointer_cast<AutomationControl>(processor->control(what, true));
 
        pan->view = boost::shared_ptr<AutomationTimeAxisView>(
-                       new AutomationTimeAxisView (_session, _route, processor, control,
-                               _editor, *this, false, parent_canvas, name, state_name));
+               new AutomationTimeAxisView (_session, _route, processor, control, control->parameter (),
+                                           _editor, *this, false, parent_canvas, name, state_name));
 
        pan->view->Hiding.connect (sigc::bind (sigc::mem_fun(*this, &RouteTimeAxisView::processor_automation_track_hidden), pan, processor));
 
@@ -1956,14 +1992,10 @@ RouteTimeAxisView::add_automation_child (Evoral::Parameter param, boost::shared_
                }
        }
 
-       _automation_tracks.insert (std::make_pair (param, new RouteAutomationNode(param, NULL, track)));
+       _automation_tracks[param] = track;
 
        track->set_visibility (!hideit);
 
-       if (!hideit) {
-               _show_automation.insert (param);
-       }
-       
        if (!no_redraw) {
                _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
        }
@@ -2038,6 +2070,8 @@ RouteTimeAxisView::add_processor_to_subplugin_menu (boost::weak_ptr<Processor> p
                items.push_back (CheckMenuElem (name));
                mitem = dynamic_cast<CheckMenuItem*> (&items.back());
 
+               _subplugin_menu_map[*i] = mitem;
+
                if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
                        mitem->set_active(true);
                }
@@ -2117,6 +2151,7 @@ RouteTimeAxisView::processors_changed (RouteProcessorChange c)
                (*i)->valid = false;
        }
 
+       _subplugin_menu_map.clear ();
        subplugin_menu.items().clear ();
 
        _route->foreach_processor (sigc::mem_fun (*this, &RouteTimeAxisView::add_processor_to_subplugin_menu));
@@ -2177,14 +2212,19 @@ RouteTimeAxisView::update_rec_display ()
 }
 
 void
-RouteTimeAxisView::set_layer_display (LayerDisplay d)
+RouteTimeAxisView::set_layer_display (LayerDisplay d, bool apply_to_selection)
 {
-       if (_view) {
-               _view->set_layer_display (d);
+       if (apply_to_selection) {
+               _editor.get_selection().tracks.foreach_route_time_axis (boost::bind (&RouteTimeAxisView::set_layer_display, _1, d, false));
+       } else {
+               
+               if (_view) {
+                       _view->set_layer_display (d);
+               }
+               
+               ensure_xml_node ();
+               xml_node->add_property (N_("layer-display"), enum_2_string (d));
        }
-
-       ensure_xml_node ();
-       xml_node->add_property (N_("layer-display"), enum_2_string (d));
 }
 
 LayerDisplay
@@ -2205,7 +2245,7 @@ RouteTimeAxisView::automation_child(Evoral::Parameter param)
 {
        AutomationTracks::iterator i = _automation_tracks.find(param);
        if (i != _automation_tracks.end()) {
-               return i->second->track;
+               return i->second;
        } else {
                return boost::shared_ptr<AutomationTimeAxisView>();
        }
@@ -2247,9 +2287,9 @@ RouteTimeAxisView::clear_meter ()
 }
 
 void
-RouteTimeAxisView::meter_changed (void *src)
+RouteTimeAxisView::meter_changed ()
 {
-       ENSURE_GUI_THREAD (*this, &RouteTimeAxisView::meter_changed, src)
+       ENSURE_GUI_THREAD (*this, &RouteTimeAxisView::meter_changed)
        reset_meter();
 }
 
@@ -2301,7 +2341,7 @@ RouteTimeAxisView::set_underlay_state()
                if (prop) {
                        PBD::ID id (prop->value());
 
-                       RouteTimeAxisView* v = _editor.get_route_view_by_id (id);
+                       RouteTimeAxisView* v = _editor.get_route_view_by_route_id (id);
 
                        if (v) {
                                add_underlay(v->view(), false);
@@ -2379,18 +2419,87 @@ RouteTimeAxisView::set_button_names ()
 {
        rec_enable_button_label.set_text (_("r"));
 
-       if (Config->get_solo_control_is_listen_control()) {
-               switch (Config->get_listen_position()) {
-               case AfterFaderListen:
-                       solo_button_label.set_text (_("A"));
-                       break;
-               case PreFaderListen:
-                       solo_button_label.set_text (_("P"));
-                       break;
-               }
-       } else {
-               solo_button_label.set_text (_("s"));
+        if (_route && _route->solo_safe()) {
+                solo_button_label.set_text (X_("!"));
+        } else {
+                if (Config->get_solo_control_is_listen_control()) {
+                        switch (Config->get_listen_position()) {
+                        case AfterFaderListen:
+                                solo_button_label.set_text (_("A"));
+                                break;
+                        case PreFaderListen:
+                                solo_button_label.set_text (_("P"));
+                                break;
+                        }
+                } else {
+                        solo_button_label.set_text (_("s"));
+                }
+        }
+       mute_button_label.set_text (_("m"));
+}
+
+Gtk::CheckMenuItem*
+RouteTimeAxisView::automation_child_menu_item (Evoral::Parameter param)
+{
+       ParameterMenuMap::iterator i = _main_automation_menu_map.find (param);
+       if (i != _main_automation_menu_map.end()) {
+               return i->second;
+       }
+       
+       i = _subplugin_menu_map.find (param);
+       if (i != _subplugin_menu_map.end()) {
+               return i->second;
        }
 
-       mute_button_label.set_text (_("m"));
+       return 0;
+}
+
+void
+RouteTimeAxisView::create_gain_automation_child (const Evoral::Parameter& param, bool show)
+{
+       boost::shared_ptr<AutomationControl> c = _route->gain_control();
+       if (!c) {
+               error << "Route has no gain automation, unable to add automation track view." << endmsg;
+               return;
+       }
+
+       gain_track.reset (new AutomationTimeAxisView (_session,
+                                                     _route, _route->amp(), c, param,
+                                                     _editor,
+                                                     *this,
+                                                     false,
+                                                     parent_canvas,
+                                                     _route->amp()->describe_parameter(param)));
+
+       if (_view) {
+               _view->foreach_regionview (sigc::mem_fun (*gain_track.get(), &TimeAxisView::add_ghost));
+       }
+       
+       add_automation_child (Evoral::Parameter(GainAutomation), gain_track, show);
+}
+
+static
+void add_region_to_list (RegionView* rv, Playlist::RegionList* l, uint32_t* max_level)
+{
+       l->push_back (rv->region());
+       *max_level = max (*max_level, rv->region()->max_source_level());
+}
+
+void
+RouteTimeAxisView::join_regions ()
+{
+       assert (is_track());
+
+       if (!_view) {
+               return;
+       }
+
+       Playlist::RegionList selected_regions;
+       uint32_t max_level = 0;
+
+       _view->foreach_selected_regionview (sigc::bind (sigc::ptr_fun (add_region_to_list), &selected_regions, &max_level));
+       
+       uint32_t num_joined_regions = track()->playlist()->count_joined_regions();
+       string name = string_compose (_("%1 combine-%2 (%3)"), track()->playlist()->name(), num_joined_regions+1, max_level+1);
+       track()->playlist()->join (selected_regions, name);
 }