enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / route_params_ui.cc
index 670635fb4d172725137ddb1dac680e985a79a14e..a8ddc02c1f9bef62c8560dae48620861d670f369 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 */
 
 #include <algorithm>
-#define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
 #include <gtkmm2ext/utils.h>
-#include <gtkmm2ext/stop_signal.h>
 #include <gtkmm2ext/window_title.h>
 
-#include <ardour/session.h>
-#include <ardour/session_route.h>
-#include <ardour/audio_diskstream.h>
-#include <ardour/plugin.h>
-#include <ardour/plugin_manager.h>
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/route.h>
-#include <ardour/audio_track.h>
-#include <ardour/send.h>
-#include <ardour/plugin_insert.h>
-#include <ardour/port_insert.h>
+#include "ardour/audioengine.h"
+#include "ardour/audio_track.h"
+#include "ardour/plugin.h"
+#include "ardour/plugin_insert.h"
+#include "ardour/plugin_manager.h"
+#include "ardour/port_insert.h"
+#include "ardour/return.h"
+#include "ardour/route.h"
+#include "ardour/send.h"
+#include "ardour/internal_send.h"
 
-#include "route_params_ui.h"
+#include "ardour_ui.h"
+#include "gui_thread.h"
+#include "io_selector.h"
 #include "keyboard.h"
 #include "mixer_strip.h"
+#include "port_insert_ui.h"
 #include "plugin_selector.h"
-#include "ardour_ui.h"
 #include "plugin_ui.h"
-#include "io_selector.h"
+#include "return_ui.h"
+#include "route_params_ui.h"
 #include "send_ui.h"
-#include "utils.h"
-#include "gui_thread.h"
+#include "timers.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Gtk;
 using namespace Gtkmm2ext;
-using namespace sigc;
 
 RouteParams_UI::RouteParams_UI ()
-       : ArdourDialog ("track/bus inspector"),
+       : ArdourWindow (_("Tracks and Busses")),
          latency_apply_button (Stock::APPLY),
          track_menu(0)
-       
 {
-       pre_insert_box = 0;
-       post_insert_box = 0;
+       insert_box = 0;
        _input_iosel = 0;
        _output_iosel = 0;
-       _active_pre_view = 0;
-       _active_post_view = 0;
+       _active_view = 0;
        latency_widget = 0;
 
        using namespace Notebook_Helpers;
@@ -95,6 +89,8 @@ RouteParams_UI::RouteParams_UI ()
        route_display.set_headers_visible(true);
        route_display.set_headers_clickable(true);
 
+       dynamic_cast<Gtk::CellRendererText*>(route_display.get_column_cell_renderer(0))->property_ellipsize() = Pango::ELLIPSIZE_START;
+
        route_select_scroller.add(route_display);
        route_select_scroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 
@@ -103,18 +99,17 @@ RouteParams_UI::RouteParams_UI ()
        route_select_frame.add(route_select_scroller);
 
        list_vpacker.pack_start (route_select_frame, true, true);
-       
+
        notebook.pages().push_back (TabElem (input_frame, _("Inputs")));
        notebook.pages().push_back (TabElem (output_frame, _("Outputs")));
-       notebook.pages().push_back (TabElem (pre_redir_hpane, _("Pre-fader Redirects")));
-       notebook.pages().push_back (TabElem (post_redir_hpane, _("Post-fader Redirects")));
+       notebook.pages().push_back (TabElem (redir_hpane, _("Plugins, Inserts & Sends")));
        notebook.pages().push_back (TabElem (latency_frame, _("Latency")));
 
        notebook.set_name ("InspectorNotebook");
-       
+
        title_label.set_name ("RouteParamsTitleLabel");
        update_title();
-       
+
        latency_packer.set_spacing (18);
        latency_button_box.pack_start (latency_apply_button);
        delay_label.set_alignment (0, 0.5);
@@ -122,48 +117,30 @@ RouteParams_UI::RouteParams_UI ()
        // changeable area
        route_param_frame.set_name("RouteParamsBaseFrame");
        route_param_frame.set_shadow_type (Gtk::SHADOW_IN);
-       
-       
+
+
        route_hpacker.pack_start (notebook, true, true);
-       
+
        route_vpacker.pack_start (title_label, false, false);
        route_vpacker.pack_start (route_hpacker, true, true);
 
-       
-       list_hpane.pack1 (list_vpacker);
-       list_hpane.add2 (route_vpacker);
+       list_hpane.add (list_vpacker);
+       list_hpane.add (route_vpacker);
 
-       list_hpane.set_position(110);
+       add (list_hpane);
 
-       pre_redir_hpane.set_position(110);
-       post_redir_hpane.set_position(110);
-       
-       //global_vpacker.pack_start (list_hpane, true, true);
-       //get_vbox()->pack_start (global_vpacker);
-       get_vbox()->pack_start (list_hpane);
-       
-       
        set_name ("RouteParamsWindow");
        set_default_size (620,370);
-       set_wmclass (X_("ardour_route_parameters"), "Ardour");
-
-       WindowTitle title(Glib::get_application_name());
-       title += _("Track/Bus Inspector"); 
-       set_title (title.get_string());
-
+       set_wmclass (X_("ardour_route_parameters"), PROGRAM_NAME);
 
        // events
-       route_display.get_selection()->signal_changed().connect(mem_fun(*this, &RouteParams_UI::route_selected));
-       route_display.get_column(0)->signal_clicked().connect(mem_fun(*this, &RouteParams_UI::show_track_menu));
+       route_display.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &RouteParams_UI::route_selected));
+       route_display.get_column(0)->signal_clicked().connect(sigc::mem_fun(*this, &RouteParams_UI::show_track_menu));
 
        add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_RELEASE_MASK);
-       
-       _plugin_selector = new PluginSelector (PluginManager::the_manager());
-       _plugin_selector->signal_delete_event().connect (bind (ptr_fun (just_hide_it), 
-                                                    static_cast<Window *> (_plugin_selector)));
 
-
-       signal_delete_event().connect(bind(ptr_fun(just_hide_it), static_cast<Gtk::Window *>(this)));
+       _plugin_selector = new PluginSelector (PluginManager::instance());
+       show_all();
 }
 
 RouteParams_UI::~RouteParams_UI ()
@@ -171,33 +148,43 @@ RouteParams_UI::~RouteParams_UI ()
 }
 
 void
-RouteParams_UI::add_routes (Session::RouteList& routes)
+RouteParams_UI::add_routes (RouteList& routes)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::add_routes), routes));
-       
-       for (Session::RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::add_routes, routes)
+
+       for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
                boost::shared_ptr<Route> route = (*x);
 
-               if (route->is_hidden()) {
+               if (route->is_auditioner()) {
                        return;
                }
-               
+
                TreeModel::Row row = *(route_display_model->append());
                row[route_display_columns.text] = route->name();
                row[route_display_columns.route] = route;
-               
+
                //route_select_list.rows().back().select ();
-               
-               route->NameChanged.connect (bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
-               route->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
+
+               route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&RouteParams_UI::route_property_changed, this, _1, boost::weak_ptr<Route>(route)), gui_context());
+               route->DropReferences.connect (*this, invalidator (*this), boost::bind (&RouteParams_UI::route_removed, this, boost::weak_ptr<Route>(route)), gui_context());
        }
 }
 
 
 void
-RouteParams_UI::route_name_changed (boost::shared_ptr<Route> route)
+RouteParams_UI::route_property_changed (const PropertyChange& what_changed, boost::weak_ptr<Route> wr)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
+       if (!what_changed.contains (ARDOUR::Properties::name)) {
+               return;
+       }
+
+       boost::shared_ptr<Route> route (wr.lock());
+
+       if (!route) {
+               return;
+       }
+
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::route_name_changed, wr)
 
        bool found = false ;
        TreeModel::Children rows = route_display_model->children();
@@ -220,48 +207,57 @@ RouteParams_UI::route_name_changed (boost::shared_ptr<Route> route)
        }
 }
 
+void
+RouteParams_UI::map_frozen()
+{
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::map_frozen)
+       boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack>(_route);
+       if (at && insert_box) {
+               switch (at->freeze_state()) {
+                       case AudioTrack::Frozen:
+                               insert_box->set_sensitive (false);
+                               //hide_redirect_editors (); // TODO hide editor windows
+                               break;
+                       default:
+                               insert_box->set_sensitive (true);
+                               // XXX need some way, maybe, to retoggle redirect editors
+                               break;
+               }
+       }
+}
+
 void
 RouteParams_UI::setup_processor_boxes()
 {
-       if (session && _route) {
+       if (_session && _route) {
 
                // just in case... shouldn't need this
                cleanup_processor_boxes();
-               
+
                // construct new redirect boxes
-               pre_insert_box = new ProcessorBox(PreFader, *session, *_plugin_selector, _rr_selection);
-               post_insert_box = new ProcessorBox(PostFader, *session, *_plugin_selector, _rr_selection);
-  
-               pre_insert_box->set_route (_route);
-               post_insert_box->set_route (_route);
-
-               pre_redir_hpane.pack1 (*pre_insert_box);
-               post_redir_hpane.pack1 (*post_insert_box);
-
-               pre_insert_box->ProcessorSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
-               pre_insert_box->ProcessorUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
-               post_insert_box->ProcessorSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
-               post_insert_box->ProcessorUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
-
-               pre_redir_hpane.show_all();
-               post_redir_hpane.show_all();
+               insert_box = new ProcessorBox (_session, boost::bind (&RouteParams_UI::plugin_selector, this), _rr_selection, 0);
+               insert_box->set_route (_route);
+
+               boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack>(_route);
+               if (at) {
+                       at->FreezeChange.connect (route_connections, invalidator (*this), boost::bind (&RouteParams_UI::map_frozen, this), gui_context());
+               }
+               redir_hpane.add (*insert_box);
+
+               insert_box->ProcessorSelected.connect (sigc::mem_fun(*this, &RouteParams_UI::redirect_selected));  //note:  this indicates a double-click activation, not just a "selection"
+               insert_box->ProcessorUnselected.connect (sigc::mem_fun(*this, &RouteParams_UI::redirect_selected));
+
+               redir_hpane.show_all();
        }
-       
 }
 
 void
 RouteParams_UI::cleanup_processor_boxes()
 {
-       if (pre_insert_box) {
-               pre_redir_hpane.remove(*pre_insert_box);
-               delete pre_insert_box;
-               pre_insert_box = 0;
-       }
-
-       if (post_insert_box) {
-               post_redir_hpane.remove(*post_insert_box);
-               delete post_insert_box;
-               post_insert_box = 0;
+       if (insert_box) {
+               redir_hpane.remove(*insert_box);
+               delete insert_box;
+               insert_box = 0;
        }
 }
 
@@ -272,7 +268,7 @@ RouteParams_UI::refresh_latency ()
                latency_widget->refresh();
 
                char buf[128];
-               snprintf (buf, sizeof (buf), _("Playback delay: %u samples"), _route->initial_delay());
+               snprintf (buf, sizeof (buf), _("Playback delay: %" PRId64 " samples"), _route->initial_delay());
                delay_label.set_text (buf);
        }
 }
@@ -285,31 +281,32 @@ RouteParams_UI::cleanup_latency_frame ()
                latency_packer.remove (*latency_widget);
                latency_packer.remove (latency_button_box);
                latency_packer.remove (delay_label);
+               latency_connections.drop_connections ();
+               latency_click_connection.disconnect ();
+
                delete latency_widget;
                latency_widget = 0;
-               latency_conn.disconnect ();
-               delay_conn.disconnect ();
-               latency_apply_conn.disconnect ();
+
        }
 }
 
 void
 RouteParams_UI::setup_latency_frame ()
 {
-       latency_widget = new LatencyGUI (*(_route.get()), session->frame_rate(), session->engine().frames_per_cycle());
+       latency_widget = new LatencyGUI (*(_route->output()), _session->frame_rate(), AudioEngine::instance()->samples_per_cycle());
 
        char buf[128];
-       snprintf (buf, sizeof (buf), _("Playback delay: %u samples"), _route->initial_delay());
+       snprintf (buf, sizeof (buf), _("Playback delay: %" PRId64 " samples"), _route->initial_delay());
        delay_label.set_text (buf);
 
        latency_packer.pack_start (*latency_widget, false, false);
        latency_packer.pack_start (latency_button_box, false, false);
        latency_packer.pack_start (delay_label);
 
-       latency_apply_conn = latency_apply_button.signal_clicked().connect (mem_fun (*latency_widget, &LatencyGUI::finish));
-       latency_conn = _route->signal_latency_changed.connect (mem_fun (*this, &RouteParams_UI::refresh_latency));
-       delay_conn = _route->initial_delay_changed.connect (mem_fun (*this, &RouteParams_UI::refresh_latency));
-       
+       latency_click_connection = latency_apply_button.signal_clicked().connect (sigc::mem_fun (*latency_widget, &LatencyGUI::finish));
+       _route->signal_latency_changed.connect (latency_connections, invalidator (*this), boost::bind (&RouteParams_UI::refresh_latency, this), gui_context());
+       _route->initial_delay_changed.connect (latency_connections, invalidator (*this), boost::bind (&RouteParams_UI::refresh_latency, this), gui_context());
+
        latency_frame.add (latency_packer);
        latency_frame.show_all ();
 }
@@ -318,15 +315,15 @@ void
 RouteParams_UI::setup_io_frames()
 {
        cleanup_io_frames();
-       
+
        // input
-       _input_iosel = new IOSelector (*session, _route, true);
+       _input_iosel = new IOSelector (this, _session, _route->input());
        _input_iosel->setup ();
        input_frame.add (*_input_iosel);
        input_frame.show_all();
-       
+
        // output
-       _output_iosel = new IOSelector (*session, _route, false);
+       _output_iosel = new IOSelector (this, _session, _route->output());
        _output_iosel->setup ();
        output_frame.add (*_output_iosel);
        output_frame.show_all();
@@ -352,43 +349,32 @@ RouteParams_UI::cleanup_io_frames()
 }
 
 void
-RouteParams_UI::cleanup_pre_view (bool stopupdate)
+RouteParams_UI::cleanup_view (bool stopupdate)
 {
-       if (_active_pre_view) {
+       if (_active_view) {
                GenericPluginUI *   plugui = 0;
-               
-               if (stopupdate && (plugui = dynamic_cast<GenericPluginUI*>(_active_pre_view)) != 0) {
+
+               if (stopupdate && (plugui = dynamic_cast<GenericPluginUI*>(_active_view)) != 0) {
                          plugui->stop_updating (0);
                }
 
-               _pre_plugin_conn.disconnect();
-               pre_redir_hpane.remove(*_active_pre_view);
-               delete _active_pre_view;
-               _active_pre_view = 0;
+               _processor_going_away_connection.disconnect ();
+               redir_hpane.remove(*_active_view);
+               delete _active_view;
+               _active_view = 0;
        }
 }
 
 void
-RouteParams_UI::cleanup_post_view (bool stopupdate)
+RouteParams_UI::route_removed (boost::weak_ptr<Route> wr)
 {
-       if (_active_post_view) {
-               GenericPluginUI *   plugui = 0;
-               
-               if (stopupdate && (plugui = dynamic_cast<GenericPluginUI*>(_active_post_view)) != 0) {
-                         plugui->stop_updating (0);
-               }
-               _post_plugin_conn.disconnect();
-               post_redir_hpane.remove(*_active_post_view);
-               delete _active_post_view;
-               _active_post_view = 0;
+       boost::shared_ptr<Route> route (wr.lock());
+
+       if (!route) {
+               return;
        }
-}
 
-
-void
-RouteParams_UI::route_removed (boost::shared_ptr<Route> route)
-{
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
+       ENSURE_GUI_THREAD (*this, invalidator (*this), &RouteParams_UI::route_removed, wr)
 
        TreeModel::Children rows = route_display_model->children();
        TreeModel::Children::iterator ri;
@@ -404,13 +390,11 @@ RouteParams_UI::route_removed (boost::shared_ptr<Route> route)
 
        if (route == _route) {
                cleanup_io_frames();
-               cleanup_pre_view();
-               cleanup_post_view();
+               cleanup_view();
                cleanup_processor_boxes();
-               
+
                _route.reset ((Route*) 0);
-               _pre_processor.reset ((Processor*) 0);
-               _post_processor.reset ((Processor*) 0);
+               _processor.reset ((Processor*) 0);
                update_title();
        }
 }
@@ -418,46 +402,39 @@ RouteParams_UI::route_removed (boost::shared_ptr<Route> route)
 void
 RouteParams_UI::set_session (Session *sess)
 {
-       ArdourDialog::set_session (sess);
+       ArdourWindow::set_session (sess);
 
        route_display_model->clear();
+       _plugin_selector->set_session (_session);
 
-       if (session) {
-               boost::shared_ptr<Session::RouteList> r = session->get_routes();
+       if (_session) {
+               boost::shared_ptr<RouteList> r = _session->get_routes();
                add_routes (*r);
-               session->GoingAway.connect (mem_fun(*this, &ArdourDialog::session_gone));
-               session->RouteAdded.connect (mem_fun(*this, &RouteParams_UI::add_routes));
+               _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&RouteParams_UI::add_routes, this, _1), gui_context());
                start_updating ();
        } else {
                stop_updating ();
        }
-
-       //route_select_list.thaw ();
-
-       _plugin_selector->set_session (session);
-}      
+}
 
 
 void
-RouteParams_UI::session_gone ()
+RouteParams_UI::session_going_away ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::session_gone));
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::session_going_away);
+
+       SessionHandlePtr::session_going_away ();
 
        route_display_model->clear();
 
        cleanup_io_frames();
-       cleanup_pre_view();
-       cleanup_post_view();
+       cleanup_view();
        cleanup_processor_boxes();
        cleanup_latency_frame ();
 
        _route.reset ((Route*) 0);
-       _pre_processor.reset ((Processor*) 0);
-       _post_processor.reset ((Processor*) 0);
+       _processor.reset ((Processor*) 0);
        update_title();
-
-       ArdourDialog::session_gone();
-
 }
 
 void
@@ -477,11 +454,9 @@ RouteParams_UI::route_selected()
 
                // remove event binding from previously selected
                if (_route) {
-                       _route_conn.disconnect();
-                       _route_ds_conn.disconnect();
+                       _route_processors_connection.disconnect ();
                        cleanup_processor_boxes();
-                       cleanup_pre_view();
-                       cleanup_post_view();
+                       cleanup_view();
                        cleanup_io_frames();
                        cleanup_latency_frame ();
                }
@@ -494,8 +469,7 @@ RouteParams_UI::route_selected()
                setup_processor_boxes();
                setup_latency_frame ();
 
-               // bind to redirects changed event for this route
-               _route_conn = route->processors_changed.connect (mem_fun(*this, &RouteParams_UI::processors_changed));
+               route->processors_changed.connect (_route_processors_connection, invalidator (*this), boost::bind (&RouteParams_UI::processors_changed, this, _1), gui_context());
 
                track_input_label.set_text (_route->name());
 
@@ -504,18 +478,16 @@ RouteParams_UI::route_selected()
        } else {
                // no selection
                if (_route) {
-                       _route_conn.disconnect();
+                       _route_processors_connection.disconnect ();
 
                        // remove from view
                        cleanup_io_frames();
-                       cleanup_pre_view();
-                       cleanup_post_view();
+                       cleanup_view();
                        cleanup_processor_boxes();
                        cleanup_latency_frame ();
 
                        _route.reset ((Route*) 0);
-                       _pre_processor.reset ((Processor*) 0);
-                       _post_processor.reset ((Processor *) 0);
+                       _processor.reset ((Processor*) 0);
                        track_input_label.set_text(_("NO TRACK"));
                        update_title();
                }
@@ -523,14 +495,11 @@ RouteParams_UI::route_selected()
 }
 
 void
-RouteParams_UI::processors_changed ()
+RouteParams_UI::processors_changed (RouteProcessorChange)
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::processors_changed));
-       cleanup_pre_view();
-       cleanup_post_view();
-       
-       _pre_processor.reset ((Processor*) 0);
-       _post_processor.reset ((Processor*) 0);
+       cleanup_view();
+
+       _processor.reset ((Processor*) 0);
 
        //update_title();
 }
@@ -539,175 +508,133 @@ void
 RouteParams_UI::show_track_menu()
 {
        using namespace Menu_Helpers;
-       
+
        if (track_menu == 0) {
                track_menu = new Menu;
                track_menu->set_name ("ArdourContextMenu");
-               track_menu->items().push_back 
-                               (MenuElem (_("Add Track/Bus"), 
-                                          bind (mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::add_route), (Gtk::Window*) 0)));
+               track_menu->items().push_back (MenuElem (_("Add Track or Bus"), sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::add_route)));
        }
        track_menu->popup (1, gtk_get_current_event_time());
 }
 
 void
-RouteParams_UI::redirect_selected (boost::shared_ptr<ARDOUR::Processor> insert, ARDOUR::Placement place)
+RouteParams_UI::redirect_selected (boost::shared_ptr<ARDOUR::Processor> proc)
 {
-       if ((place == PreFader && _pre_processor == insert)
-           || (place == PostFader && _post_processor == insert)){
-               return;
-       }
-       
        boost::shared_ptr<Send> send;
+       boost::shared_ptr<Return> retrn;
        boost::shared_ptr<PluginInsert> plugin_insert;
        boost::shared_ptr<PortInsert> port_insert;
-       
-       if ((send = boost::dynamic_pointer_cast<Send> (insert)) != 0) {
-
-               SendUI *send_ui = new SendUI (send, *session);
-
-               if (place == PreFader) {
-                       cleanup_pre_view();
-                       _pre_plugin_conn = send->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
-                       _active_pre_view = send_ui;
-                       
-                       pre_redir_hpane.add2 (*_active_pre_view);
-                       pre_redir_hpane.show_all();
-               }
-               else {
-                       cleanup_post_view();
-                       _post_plugin_conn = send->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
-                       _active_post_view = send_ui;
-                       
-                       post_redir_hpane.add2 (*_active_post_view);
-                       post_redir_hpane.show_all();
-               }
-       } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (insert)) != 0) {                         
+
+       if ((boost::dynamic_pointer_cast<InternalSend> (proc)) != 0) {
+               cleanup_view();
+               _processor.reset ((Processor*) 0);
+               update_title();
+               return;
+       } else if ((send = boost::dynamic_pointer_cast<Send> (proc)) != 0) {
+
+               SendUI *send_ui = new SendUI (this, send, _session);
+
+               cleanup_view();
+               send->DropReferences.connect (_processor_going_away_connection, invalidator (*this), boost::bind (&RouteParams_UI::processor_going_away, this, boost::weak_ptr<Processor>(proc)), gui_context());
+               _active_view = send_ui;
+
+               redir_hpane.add (*_active_view);
+               redir_hpane.show_all();
+
+       } else if ((retrn = boost::dynamic_pointer_cast<Return> (proc)) != 0) {
+
+               ReturnUI *return_ui = new ReturnUI (this, retrn, _session);
+
+               cleanup_view();
+               retrn->DropReferences.connect (_processor_going_away_connection, invalidator (*this), boost::bind (&RouteParams_UI::processor_going_away, this, boost::weak_ptr<Processor>(proc)), gui_context());
+               _active_view = return_ui;
+
+               redir_hpane.add (*_active_view);
+               redir_hpane.show_all();
+
+       } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (proc)) != 0) {
 
                GenericPluginUI *plugin_ui = new GenericPluginUI (plugin_insert, true);
 
-               if (place == PreFader) {
-                       cleanup_pre_view();
-                       _pre_plugin_conn = plugin_insert->plugin()->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PreFader));
-                       plugin_ui->start_updating (0);
-                       _active_pre_view = plugin_ui;
-                       pre_redir_hpane.pack2 (*_active_pre_view);
-                       pre_redir_hpane.show_all();
-               }
-               else {
-                       cleanup_post_view();
-                       _post_plugin_conn = plugin_insert->plugin()->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PostFader));
-                       plugin_ui->start_updating (0);
-                       _active_post_view = plugin_ui;
-                       post_redir_hpane.pack2 (*_active_post_view);
-                       post_redir_hpane.show_all();
-               }
+               cleanup_view();
+               plugin_insert->plugin()->DropReferences.connect (_processor_going_away_connection, invalidator (*this), boost::bind (&RouteParams_UI::plugin_going_away, this, PreFader), gui_context());
+               plugin_ui->start_updating (0);
+               _active_view = plugin_ui;
 
-       } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (insert)) != 0) {
-
-               PortInsertUI *portinsert_ui = new PortInsertUI (*session, port_insert);
-                               
-               if (place == PreFader) {
-                       cleanup_pre_view();
-                       _pre_plugin_conn = port_insert->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
-                       _active_pre_view = portinsert_ui;
-                       pre_redir_hpane.pack2 (*_active_pre_view);
-                       portinsert_ui->redisplay();
-                       pre_redir_hpane.show_all();
-               }
-               else {
-                       cleanup_post_view();
-                       _post_plugin_conn = port_insert->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
-                       _active_post_view = portinsert_ui;
-                       post_redir_hpane.pack2 (*_active_post_view);
-                       portinsert_ui->redisplay();
-                       post_redir_hpane.show_all();
-               }
-       }
-                               
-       if (place == PreFader) {
-               _pre_processor = insert;
-       } else {
-               _post_processor = insert;
+               redir_hpane.add (*_active_view);
+               redir_hpane.show_all();
+
+       } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (proc)) != 0) {
+
+               PortInsertUI *portinsert_ui = new PortInsertUI (this, _session, port_insert);
+
+               cleanup_view();
+               port_insert->DropReferences.connect (_processor_going_away_connection, invalidator (*this), boost::bind (&RouteParams_UI::processor_going_away, this, boost::weak_ptr<Processor> (proc)), gui_context());
+               _active_view = portinsert_ui;
+
+               redir_hpane.add (*_active_view);
+               portinsert_ui->redisplay();
+               redir_hpane.show_all();
        }
-       
+
+       _processor = proc;
        update_title();
-               
+
 }
 
 void
 RouteParams_UI::plugin_going_away (Placement place)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), place));
-       
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::plugin_going_away, place)
+
        // delete the current view without calling finish
 
        if (place == PreFader) {
-               cleanup_pre_view (false);
-               _pre_processor.reset ((Processor*) 0);
-       }
-       else {
-               cleanup_post_view (false);
-               _post_processor.reset ((Processor*) 0);
+               cleanup_view (false);
+               _processor.reset ((Processor*) 0);
        }
 }
 
 void
-RouteParams_UI::redirect_going_away (boost::shared_ptr<ARDOUR::Processor> insert)
-
+RouteParams_UI::processor_going_away (boost::weak_ptr<ARDOUR::Processor> wproc)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
-       
+       boost::shared_ptr<Processor> proc = (wproc.lock());
+
+       if (!proc) {
+               return;
+       }
+
+       ENSURE_GUI_THREAD (*this, &RouteParams_UI::processor_going_away, wproc)
+
        printf ("redirect going away\n");
        // delete the current view without calling finish
-       if (insert == _pre_processor) {
-               cleanup_pre_view (false);
-               _pre_processor.reset ((Processor*) 0);
-       } else if (insert == _post_processor) {
-               cleanup_post_view (false);
-               _post_processor.reset ((Processor*) 0);
+       if (proc == _processor) {
+               cleanup_view (false);
+               _processor.reset ((Processor*) 0);
        }
 }
 
-
 void
 RouteParams_UI::update_title ()
 {
-       WindowTitle title(Glib::get_application_name());
-       title += _("Track/Bus Inspector");
+       WindowTitle title (_("Tracks and Busses"));
 
        if (_route) {
-
-               //              title += ": ";
-
-               //              if (_redirect && (_current_view == PLUGIN_CONFIG_VIEW || _current_view == SEND_CONFIG_VIEW)) {
-               //                      title += _redirect->name();
-               //              }
-               //              else if (_current_view == INPUT_CONFIG_VIEW) {
-               //                      title += _("INPUT");
-               //              }
-               //              else if (_current_view == OUTPUT_CONFIG_VIEW) {
-               //                      title += _("OUTPUT");
-               //              }
-
                title_label.set_text(_route->name());
-
                title += _route->name();
-
                set_title(title.get_string());
-       }
-       else {
-               title_label.set_text(_("No Route Selected"));
-               title += _("No Route Selected");
+       } else {
+               title_label.set_text(_("No Track or Bus Selected"));
+               title += _("No Track or Bus Selected");
                set_title(title.get_string());
-       }       
+       }
 }
 
 void
 RouteParams_UI::start_updating ()
 {
-       update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect 
-               (mem_fun(*this, &RouteParams_UI::update_views));
+       update_connection = Timers::rapid_connect
+               (sigc::mem_fun(*this, &RouteParams_UI::update_views));
 }
 
 void
@@ -721,12 +648,8 @@ RouteParams_UI::update_views ()
 {
        SendUI *sui;
        // TODO: only do it if correct tab is showing
-       
-       if ((sui = dynamic_cast<SendUI*> (_active_pre_view)) != 0) {
-               sui->update ();
-       }
-       if ((sui = dynamic_cast<SendUI*> (_active_post_view)) != 0) {
+
+       if ((sui = dynamic_cast<SendUI*> (_active_view)) != 0) {
                sui->update ();
        }
-
 }