gtk2_ardour/route_params_ui.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #include <algorithm>
  22
  23 #include <pbd/lockmonitor.h>
  24 #include <gtkmm2ext/utils.h>
  25 #include <gtkmm2ext/stop_signal.h>
  26
  27 #include <ardour/session.h>
  28 #include <ardour/session_route.h>
  29 #include <ardour/diskstream.h>
  30 #include <ardour/plugin.h>
  31 #include <ardour/plugin_manager.h>
  32 #include <ardour/ardour.h>
  33 #include <ardour/session.h>
  34 #include <ardour/route.h>
  35 #include <ardour/audio_track.h>
  36 #include <ardour/send.h>
  37 #include <ardour/insert.h>
  38 #include <ardour/connection.h>
  39 #include <ardour/session_connection.h>
  40
  41 #include "route_params_ui.h"
  42 #include "keyboard.h"
  43 #include "mixer_strip.h"
  44 #include "plugin_selector.h"
  45 #include "ardour_ui.h"
  46 #include "plugin_ui.h"
  47 #include "io_selector.h"
  48 #include "send_ui.h"
  49 #include "utils.h"
  50 #include "gui_thread.h"
  51
  52 #include "i18n.h"
  53
  54 using namespace ARDOUR;
  55 using namespace Gtk;
  56 using namespace sigc;
  57
  58 RouteParams_UI::RouteParams_UI (AudioEngine& eng)
  59         : ArdourDialog ("track/bus inspector"),
  60           engine (eng),
  61           _route(0),
  62           track_menu(0)
  63 {
  64         pre_redirect_box = 0;
  65         post_redirect_box = 0;
  66         _route = 0;
  67         _pre_redirect = 0;
  68         _post_redirect = 0;
  69         _input_iosel = 0;
  70         _output_iosel = 0;
  71         _active_pre_view = 0;
  72         _active_post_view = 0;
  73
  74         using namespace Notebook_Helpers;
  75
  76         input_frame.set_shadow_type(Gtk::SHADOW_NONE);
  77         output_frame.set_shadow_type(Gtk::SHADOW_NONE);
  78
  79         notebook.set_show_tabs (true);
  80         notebook.set_show_border (true);
  81         notebook.set_name ("RouteParamNotebook");
  82
  83         // create the tree model
  84         route_display_model = ListStore::create(route_display_columns);
  85
  86         // setup the treeview
  87         route_display.set_model(route_display_model);
  88         route_display.append_column(_("Tracks/Buses"), route_display_columns.text);
  89         route_display.set_name(X_("RouteParamsListDisplay"));
  90         route_display.get_selection()->set_mode(Gtk::SELECTION_SINGLE); // default
  91         route_display.set_reorderable(false);
  92         route_display.set_size_request(75, -1);
  93         route_display.set_headers_visible(true);
  94         route_display.set_headers_clickable(true);
  95
  96         route_select_scroller.add(route_display);
  97         route_select_scroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
  98
  99
 100         route_select_frame.set_name("RouteSelectBaseFrame");
 101         route_select_frame.set_shadow_type (Gtk::SHADOW_IN);
 102         route_select_frame.add(route_select_scroller);
 103
 104         list_vpacker.pack_start (route_select_frame, true, true);
 105
 106         notebook.pages().push_back (TabElem (input_frame, _("Inputs")));
 107         notebook.pages().push_back (TabElem (output_frame, _("Outputs")));
 108         notebook.pages().push_back (TabElem (pre_redir_hpane, _("Pre-fader Redirects")));
 109         notebook.pages().push_back (TabElem (post_redir_hpane, _("Post-fader Redirects")));
 110
 111         notebook.set_name ("InspectorNotebook");
 112
 113         title_label.set_name ("RouteParamsTitleLabel");
 114         update_title();
 115
 116         // changeable area
 117         route_param_frame.set_name("RouteParamsBaseFrame");
 118         route_param_frame.set_shadow_type (Gtk::SHADOW_IN);
 119
 120
 121         route_hpacker.pack_start (notebook, true, true);
 122
 123
 124         route_vpacker.pack_start (title_label, false, false);
 125         route_vpacker.pack_start (route_hpacker, true, true);
 126
 127
 128         list_hpane.pack1 (list_vpacker);
 129         list_hpane.add2 (route_vpacker);
 130
 131         list_hpane.set_position(110);
 132
 133         pre_redir_hpane.set_position(110);
 134         post_redir_hpane.set_position(110);
 135
 136         //global_vpacker.pack_start (list_hpane, true, true);
 137         //get_vbox()->pack_start (global_vpacker);
 138         get_vbox()->pack_start (list_hpane);
 139
 140
 141         set_name ("RouteParamsWindow");
 142         set_default_size (620,370);
 143         set_title (_("ardour: track/bus inspector"));
 144         set_wmclass (_("ardour_route_parameters"), "Ardour");
 145
 146         // events
 147         route_display.get_selection()->signal_changed().connect(mem_fun(*this, &RouteParams_UI::route_selected));
 148         route_display.get_column(0)->signal_clicked().connect(mem_fun(*this, &RouteParams_UI::show_track_menu));
 149
 150         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_RELEASE_MASK);
 151
 152         _plugin_selector = new PluginSelector (PluginManager::the_manager());
 153         _plugin_selector->signal_delete_event().connect (bind (ptr_fun (just_hide_it),
 154                                                      static_cast<Window *> (_plugin_selector)));
 155
 156
 157         signal_delete_event().connect(bind(ptr_fun(just_hide_it), static_cast<Gtk::Window *>(this)));
 158 }
 159
 160 RouteParams_UI::~RouteParams_UI ()
 161 {
 162 }
 163
 164 void
 165 RouteParams_UI::add_route (Route* route)
 166 {
 167         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::add_route), route));
 168
 169         if (route->hidden()) {
 170                 return;
 171         }
 172
 173         TreeModel::Row row = *(route_display_model->append());
 174         row[route_display_columns.text] = route->name();
 175         row[route_display_columns.route] = route;
 176
 177         //route_select_list.rows().back().select ();
 178
 179         route->name_changed.connect (bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
 180         route->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 181 }
 182
 183
 184 void
 185 RouteParams_UI::route_name_changed (void *src, Route *route)
 186 {
 187         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_name_changed), src, route));
 188
 189         bool found = false ;
 190         TreeModel::Children rows = route_display_model->children();
 191         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 192                 if((*iter)[route_display_columns.route] == route) {
 193                         (*iter)[route_display_columns.text] = route->name() ;
 194                         found = true ;
 195                         break;
 196                 }
 197         }
 198
 199         if(!found)
 200         {
 201                 error << _("route display list item for renamed route not found!") << endmsg;
 202         }
 203
 204         if (route == _route) {
 205                 track_input_label.set_text (route->name());
 206                 update_title();
 207         }
 208 }
 209
 210 void
 211 RouteParams_UI::setup_redirect_boxes()
 212 {
 213         if (session && _route) {
 214
 215                 // just in case... shouldn't need this
 216                 cleanup_redirect_boxes();
 217
 218                 // construct new redirect boxes
 219                 pre_redirect_box = new RedirectBox(PreFader, *session, *_route, *_plugin_selector, _rr_selection);
 220                 post_redirect_box = new RedirectBox(PostFader, *session, *_route, *_plugin_selector, _rr_selection);
 221
 222                 pre_redir_hpane.pack1 (*pre_redirect_box);
 223                 post_redir_hpane.pack1 (*post_redirect_box);
 224
 225                 pre_redirect_box->RedirectSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 226                 pre_redirect_box->RedirectUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 227                 post_redirect_box->RedirectSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 228                 post_redirect_box->RedirectUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 229
 230                 pre_redir_hpane.show_all();
 231                 post_redir_hpane.show_all();
 232         }
 233
 234 }
 235
 236 void
 237 RouteParams_UI::cleanup_redirect_boxes()
 238 {
 239         if (pre_redirect_box) {
 240                 pre_redir_hpane.remove(*pre_redirect_box);
 241                 delete pre_redirect_box;
 242                 pre_redirect_box = 0;
 243         }
 244
 245         if (post_redirect_box) {
 246                 post_redir_hpane.remove(*post_redirect_box);
 247                 delete post_redirect_box;
 248                 post_redirect_box = 0;
 249         }
 250 }
 251
 252 void
 253 RouteParams_UI::setup_io_frames()
 254 {
 255         cleanup_io_frames();
 256
 257         // input
 258         _input_iosel = new IOSelector (*session, *_route, true);
 259         _input_iosel->redisplay ();
 260         input_frame.add (*_input_iosel);
 261         input_frame.show_all();
 262
 263         // output
 264         _output_iosel = new IOSelector (*session, *_route, false);
 265         _output_iosel->redisplay ();
 266         output_frame.add (*_output_iosel);
 267         output_frame.show_all();
 268 }
 269
 270 void
 271 RouteParams_UI::cleanup_io_frames()
 272 {
 273         if (_input_iosel) {
 274                 _input_iosel->Finished (IOSelector::Cancelled);
 275                 input_frame.remove();
 276                 delete _input_iosel;
 277                 _input_iosel = 0;
 278         }
 279
 280         if (_output_iosel) {
 281                 _output_iosel->Finished (IOSelector::Cancelled);
 282
 283                 output_frame.remove();
 284                 delete _output_iosel;
 285                 _output_iosel = 0;
 286         }
 287 }
 288
 289 void
 290 RouteParams_UI::cleanup_pre_view (bool stopupdate)
 291 {
 292         if (_active_pre_view) {
 293                 PluginUI *   plugui = 0;
 294
 295                 if (stopupdate && (plugui = dynamic_cast<PluginUI*>(_active_pre_view)) != 0) {
 296                           plugui->stop_updating (0);
 297                 }
 298
 299                 _pre_plugin_conn.disconnect();
 300                 pre_redir_hpane.remove(*_active_pre_view);
 301                 delete _active_pre_view;
 302                 _active_pre_view = 0;
 303         }
 304 }
 305
 306 void
 307 RouteParams_UI::cleanup_post_view (bool stopupdate)
 308 {
 309         if (_active_post_view) {
 310                 PluginUI *   plugui = 0;
 311
 312                 if (stopupdate && (plugui = dynamic_cast<PluginUI*>(_active_post_view)) != 0) {
 313                           plugui->stop_updating (0);
 314                 }
 315                 _post_plugin_conn.disconnect();
 316                 post_redir_hpane.remove(*_active_post_view);
 317                 delete _active_post_view;
 318                 _active_post_view = 0;
 319         }
 320 }
 321
 322
 323 void
 324 RouteParams_UI::route_removed (Route *route)
 325 {
 326         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 327         /*
 328         route_select_list.freeze ();
 329         route_select_list.clear ();
 330         session->foreach_route (this, &RouteParams_UI::add_route);
 331         route_select_list.thaw ();
 332         */
 333
 334         TreeModel::Children rows = route_display_model->children();
 335         TreeModel::Children::iterator ri;
 336
 337         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 338                 if((*iter)[route_display_columns.route] == route) {
 339                         route_display_model->erase(iter);
 340                         break;
 341                 }
 342         }
 343
 344         if (route == _route)
 345         {
 346                 cleanup_io_frames();
 347                 cleanup_pre_view();
 348                 cleanup_post_view();
 349                 cleanup_redirect_boxes();
 350
 351                 _route = 0;
 352                 _pre_redirect = 0;
 353                 _post_redirect = 0;
 354                 update_title();
 355         }
 356 }
 357
 358 void
 359 RouteParams_UI::set_session (Session *sess)
 360 {
 361         ArdourDialog::set_session (sess);
 362
 363         route_display_model->clear();
 364
 365         if (session) {
 366                 session->foreach_route (this, &RouteParams_UI::add_route);
 367                 session->going_away.connect (mem_fun(*this, &ArdourDialog::session_gone));
 368                 session->RouteAdded.connect (mem_fun(*this, &RouteParams_UI::add_route));
 369                 start_updating ();
 370         } else {
 371                 stop_updating ();
 372         }
 373
 374         //route_select_list.thaw ();
 375
 376         _plugin_selector->set_session (session);
 377 }
 378
 379
 380 void
 381 RouteParams_UI::session_gone ()
 382 {
 383         ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::session_gone));
 384
 385         route_display_model->clear();
 386
 387         cleanup_io_frames();
 388         cleanup_pre_view();
 389         cleanup_post_view();
 390         cleanup_redirect_boxes();
 391
 392         _route = 0;
 393         _pre_redirect = 0;
 394         _post_redirect = 0;
 395         update_title();
 396
 397         ArdourDialog::session_gone();
 398
 399 }
 400
 401 void
 402 RouteParams_UI::route_selected()
 403 {
 404         Glib::RefPtr<TreeSelection> selection = route_display.get_selection();
 405         TreeModel::iterator iter = selection->get_selected(); // only used with Gtk::SELECTION_SINGLE
 406         if(iter) {
 407                 //If anything is selected
 408                 Route* route = (*iter)[route_display_columns.route] ;
 409
 410                 if (_route == route) {
 411                         // do nothing
 412                         return;
 413                 }
 414
 415                 // remove event binding from previously selected
 416                 if (_route) {
 417                         _route_conn.disconnect();
 418                         _route_ds_conn.disconnect();
 419                         cleanup_redirect_boxes();
 420                         cleanup_pre_view();
 421                         cleanup_post_view();
 422                         cleanup_io_frames();
 423                 }
 424
 425                 // update the other panes with the correct info
 426                 _route = route;
 427                 //update_routeinfo (route);
 428
 429                 setup_io_frames();
 430                 setup_redirect_boxes();
 431
 432                 // bind to redirects changed event for this route
 433                 _route_conn = route->redirects_changed.connect (mem_fun(*this, &RouteParams_UI::redirects_changed));
 434
 435                 track_input_label.set_text (_route->name());
 436
 437                 update_title();
 438         } else {
 439                 // no selection
 440                 if (_route) {
 441                         _route_conn.disconnect();
 442
 443                         // remove from view
 444                         cleanup_io_frames();
 445                         cleanup_pre_view();
 446                         cleanup_post_view();
 447                         cleanup_redirect_boxes();
 448
 449                         _route = 0;
 450                         _pre_redirect = 0;
 451                         _post_redirect = 0;
 452                         track_input_label.set_text(_("NO TRACK"));
 453                         update_title();
 454                 }
 455         }
 456 }
 457
 458 //void
 459 //RouteParams_UI::route_unselected (gint row, gint col, GdkEvent *ev)
 460 //{
 461 //      if (_route) {
 462 //              _route_conn.disconnect();
 463
 464                 // remove from view
 465 //              cleanup_io_frames();
 466 //              cleanup_pre_view();
 467 //              cleanup_post_view();
 468 //              cleanup_redirect_boxes();
 469
 470 //              _route = 0;
 471 //              _pre_redirect = 0;
 472 //              _post_redirect = 0;
 473 //              track_input_label.set_text(_("NO TRACK"));
 474 //              update_title();
 475 //      }
 476 //}
 477
 478 void
 479 RouteParams_UI::redirects_changed (void *src)
 480
 481 {
 482         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirects_changed), src));
 483
 484 //      pre_redirect_list.freeze ();
 485 //      pre_redirect_list.clear ();
 486 //      post_redirect_list.freeze ();
 487 //      post_redirect_list.clear ();
 488 //      if (_route) {
 489 //              _route->foreach_redirect (this, &RouteParams_UI::add_redirect_to_display);
 490 //      }
 491 //      pre_redirect_list.thaw ();
 492 //      post_redirect_list.thaw ();
 493
 494         cleanup_pre_view();
 495         cleanup_post_view();
 496
 497         _pre_redirect = 0;
 498         _post_redirect = 0;
 499         //update_title();
 500 }
 501
 502
 503
 504 void
 505 RouteParams_UI::show_track_menu()
 506 {
 507         using namespace Menu_Helpers;
 508
 509         if (track_menu == 0) {
 510                 track_menu = new Menu;
 511                 track_menu->set_name ("ArdourContextMenu");
 512                 track_menu->items().push_back
 513                                 (MenuElem (_("Add Track/Bus"),
 514                                            mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::add_route)));
 515         }
 516         track_menu->popup (1, 0);
 517 }
 518
 519
 520
 521 void
 522 RouteParams_UI::redirect_selected (ARDOUR::Redirect *redirect, ARDOUR::Placement place)
 523 {
 524         Insert *insert;
 525
 526         if ((place == PreFader && _pre_redirect == redirect)
 527             || (place == PostFader && _post_redirect == redirect)){
 528                 return;
 529         }
 530
 531         if ((insert = dynamic_cast<Insert *> (redirect)) == 0) {
 532
 533                 Send *send;
 534
 535                 if ((send = dynamic_cast<Send *> (redirect)) != 0) {
 536
 537                         /* its a send */
 538
 539                         SendUI *send_ui = new SendUI (*send, *session);
 540
 541                         if (place == PreFader) {
 542                                 cleanup_pre_view();
 543                                 _pre_plugin_conn = send->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 544                                 _active_pre_view = send_ui;
 545
 546                                 pre_redir_hpane.add2 (*_active_pre_view);
 547                                 pre_redir_hpane.show_all();
 548                         }
 549                         else {
 550                                 cleanup_post_view();
 551                                 _post_plugin_conn = send->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 552                                 _active_post_view = send_ui;
 553
 554                                 post_redir_hpane.add2 (*_active_post_view);
 555                                 post_redir_hpane.show_all();
 556                         }
 557                 }
 558
 559         } else {
 560                 /* its an insert, though we don't know what kind yet. */
 561
 562                 PluginInsert *plugin_insert;
 563                 PortInsert *port_insert;
 564
 565                 if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
 566
 567                         PluginUI *plugin_ui = new PluginUI (session->engine(), *plugin_insert, true);
 568
 569                         if (place == PreFader) {
 570                                 cleanup_pre_view();
 571                                 _pre_plugin_conn = plugin_insert->plugin().GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PreFader));
 572                                 plugin_ui->start_updating (0);
 573                                 _active_pre_view = plugin_ui;
 574                                 pre_redir_hpane.pack2 (*_active_pre_view);
 575                                 pre_redir_hpane.show_all();
 576                         }
 577                         else {
 578                                 cleanup_post_view();
 579                                 _post_plugin_conn = plugin_insert->plugin().GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PostFader));
 580                                 plugin_ui->start_updating (0);
 581                                 _active_post_view = plugin_ui;
 582                                 post_redir_hpane.pack2 (*_active_post_view);
 583                                 post_redir_hpane.show_all();
 584                         }
 585
 586                 } else if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
 587
 588                         PortInsertUI *portinsert_ui = new PortInsertUI (*session, *port_insert);
 589
 590                         if (place == PreFader) {
 591                                 cleanup_pre_view();
 592                                 _pre_plugin_conn = port_insert->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 593                                 _active_pre_view = portinsert_ui;
 594                                 pre_redir_hpane.pack2 (*_active_pre_view);
 595                                 portinsert_ui->redisplay();
 596                                 pre_redir_hpane.show_all();
 597                         }
 598                         else {
 599                                 cleanup_post_view();
 600                                 _post_plugin_conn = port_insert->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 601                                 _active_post_view = portinsert_ui;
 602                                 post_redir_hpane.pack2 (*_active_post_view);
 603                                 portinsert_ui->redisplay();
 604                                 post_redir_hpane.show_all();
 605                         }
 606                 }
 607
 608         }
 609
 610         if (place == PreFader) {
 611                 _pre_redirect = redirect;
 612         }
 613         else {
 614                 _post_redirect = redirect;
 615         }
 616
 617         update_title();
 618
 619 }
 620
 621 void
 622 RouteParams_UI::redirect_unselected (ARDOUR::Redirect *redirect)
 623 {
 624         // not called anymore
 625
 626         if (redirect == _pre_redirect) {
 627                 cleanup_pre_view();
 628                 _pre_redirect = 0;
 629         }
 630         else if (redirect == _post_redirect) {
 631                 cleanup_post_view();
 632                 _post_redirect = 0;
 633         }
 634 }
 635
 636
 637
 638 void
 639 RouteParams_UI::plugin_going_away (Plugin *plugin, Placement place)
 640 {
 641         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), plugin, place));
 642
 643         // delete the current view without calling finish
 644
 645         if (place == PreFader) {
 646                 cleanup_pre_view (false);
 647                 _pre_redirect = 0;
 648         }
 649         else {
 650                 cleanup_post_view (false);
 651                 _post_redirect = 0;
 652         }
 653 }
 654
 655 void
 656 RouteParams_UI::redirect_going_away (ARDOUR::Redirect *plugin)
 657
 658 {
 659         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), plugin));
 660
 661         printf ("redirect going away\n");
 662         // delete the current view without calling finish
 663         if (plugin == _pre_redirect) {
 664                 cleanup_pre_view (false);
 665                 _pre_redirect = 0;
 666         }
 667         else if (plugin == _post_redirect) {
 668                 cleanup_post_view (false);
 669                 _post_redirect = 0;
 670         }
 671 }
 672
 673
 674 void
 675 RouteParams_UI::update_title ()
 676 {
 677         if (_route) {
 678                 string title;
 679                 title += _route->name();
 680 //              title += ": ";
 681
 682 //              if (_redirect && (_current_view == PLUGIN_CONFIG_VIEW || _current_view == SEND_CONFIG_VIEW)) {
 683 //                      title += _redirect->name();
 684 //              }
 685 //              else if (_current_view == INPUT_CONFIG_VIEW) {
 686 //                      title += _("INPUT");
 687 //              }
 688 //              else if (_current_view == OUTPUT_CONFIG_VIEW) {
 689 //                      title += _("OUTPUT");
 690 //              }
 691
 692                 title_label.set_text(title);
 693
 694                 title = _("ardour: track/bus inspector: ") + title;
 695                 set_title(title);
 696         }
 697         else {
 698                 title_label.set_text(_("No Route Selected"));
 699                 set_title(_("ardour: track/bus/inspector: no route selected"));
 700         }
 701 }
 702
 703
 704 void
 705 RouteParams_UI::start_updating ()
 706 {
 707         update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
 708                 (mem_fun(*this, &RouteParams_UI::update_views));
 709 }
 710
 711 void
 712 RouteParams_UI::stop_updating ()
 713 {
 714         update_connection.disconnect();
 715 }
 716
 717 void
 718 RouteParams_UI::update_views ()
 719 {
 720         SendUI *sui;
 721         // TODO: only do it if correct tab is showing
 722
 723         if ((sui = dynamic_cast<SendUI*> (_active_pre_view)) != 0) {
 724                 sui->update ();
 725         }
 726         if ((sui = dynamic_cast<SendUI*> (_active_post_view)) != 0) {
 727                 sui->update ();
 728         }
 729
 730 }