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 <glibmm/thread.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/audio_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 PBD;
  56 using namespace Gtk;
  57 using namespace sigc;
  58
  59 RouteParams_UI::RouteParams_UI (AudioEngine& eng)
  60         : ArdourDialog ("track/bus inspector"),
  61           engine (eng),
  62           _route(0),
  63           track_menu(0)
  64 {
  65         pre_redirect_box = 0;
  66         post_redirect_box = 0;
  67         _route = 0;
  68         _pre_redirect = 0;
  69         _post_redirect = 0;
  70         _input_iosel = 0;
  71         _output_iosel = 0;
  72         _active_pre_view = 0;
  73         _active_post_view = 0;
  74
  75         using namespace Notebook_Helpers;
  76
  77         input_frame.set_shadow_type(Gtk::SHADOW_NONE);
  78         output_frame.set_shadow_type(Gtk::SHADOW_NONE);
  79
  80         notebook.set_show_tabs (true);
  81         notebook.set_show_border (true);
  82         notebook.set_name ("RouteParamNotebook");
  83
  84         // create the tree model
  85         route_display_model = ListStore::create(route_display_columns);
  86
  87         // setup the treeview
  88         route_display.set_model(route_display_model);
  89         route_display.append_column(_("Tracks/Buses"), route_display_columns.text);
  90         route_display.set_name(X_("RouteParamsListDisplay"));
  91         route_display.get_selection()->set_mode(Gtk::SELECTION_SINGLE); // default
  92         route_display.set_reorderable(false);
  93         route_display.set_size_request(75, -1);
  94         route_display.set_headers_visible(true);
  95         route_display.set_headers_clickable(true);
  96
  97         route_select_scroller.add(route_display);
  98         route_select_scroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
  99
 100
 101         route_select_frame.set_name("RouteSelectBaseFrame");
 102         route_select_frame.set_shadow_type (Gtk::SHADOW_IN);
 103         route_select_frame.add(route_select_scroller);
 104
 105         list_vpacker.pack_start (route_select_frame, true, true);
 106
 107         notebook.pages().push_back (TabElem (input_frame, _("Inputs")));
 108         notebook.pages().push_back (TabElem (output_frame, _("Outputs")));
 109         notebook.pages().push_back (TabElem (pre_redir_hpane, _("Pre-fader Redirects")));
 110         notebook.pages().push_back (TabElem (post_redir_hpane, _("Post-fader Redirects")));
 111
 112         notebook.set_name ("InspectorNotebook");
 113
 114         title_label.set_name ("RouteParamsTitleLabel");
 115         update_title();
 116
 117         // changeable area
 118         route_param_frame.set_name("RouteParamsBaseFrame");
 119         route_param_frame.set_shadow_type (Gtk::SHADOW_IN);
 120
 121
 122         route_hpacker.pack_start (notebook, true, true);
 123
 124
 125         route_vpacker.pack_start (title_label, false, false);
 126         route_vpacker.pack_start (route_hpacker, true, true);
 127
 128
 129         list_hpane.pack1 (list_vpacker);
 130         list_hpane.add2 (route_vpacker);
 131
 132         list_hpane.set_position(110);
 133
 134         pre_redir_hpane.set_position(110);
 135         post_redir_hpane.set_position(110);
 136
 137         //global_vpacker.pack_start (list_hpane, true, true);
 138         //get_vbox()->pack_start (global_vpacker);
 139         get_vbox()->pack_start (list_hpane);
 140
 141
 142         set_name ("RouteParamsWindow");
 143         set_default_size (620,370);
 144         set_title (_("ardour: track/bus inspector"));
 145         set_wmclass (_("ardour_route_parameters"), "Ardour");
 146
 147         // events
 148         route_display.get_selection()->signal_changed().connect(mem_fun(*this, &RouteParams_UI::route_selected));
 149         route_display.get_column(0)->signal_clicked().connect(mem_fun(*this, &RouteParams_UI::show_track_menu));
 150
 151         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_RELEASE_MASK);
 152
 153         _plugin_selector = new PluginSelector (PluginManager::the_manager());
 154         _plugin_selector->signal_delete_event().connect (bind (ptr_fun (just_hide_it),
 155                                                      static_cast<Window *> (_plugin_selector)));
 156
 157
 158         signal_delete_event().connect(bind(ptr_fun(just_hide_it), static_cast<Gtk::Window *>(this)));
 159 }
 160
 161 RouteParams_UI::~RouteParams_UI ()
 162 {
 163 }
 164
 165 void
 166 RouteParams_UI::add_route (Route* route)
 167 {
 168         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::add_route), route));
 169
 170         if (route->hidden()) {
 171                 return;
 172         }
 173
 174         TreeModel::Row row = *(route_display_model->append());
 175         row[route_display_columns.text] = route->name();
 176         row[route_display_columns.route] = route;
 177
 178         //route_select_list.rows().back().select ();
 179
 180         route->name_changed.connect (bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
 181         route->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 182 }
 183
 184
 185 void
 186 RouteParams_UI::route_name_changed (void *src, Route *route)
 187 {
 188         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_name_changed), src, route));
 189
 190         bool found = false ;
 191         TreeModel::Children rows = route_display_model->children();
 192         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 193                 if((*iter)[route_display_columns.route] == route) {
 194                         (*iter)[route_display_columns.text] = route->name() ;
 195                         found = true ;
 196                         break;
 197                 }
 198         }
 199
 200         if(!found)
 201         {
 202                 error << _("route display list item for renamed route not found!") << endmsg;
 203         }
 204
 205         if (route == _route) {
 206                 track_input_label.set_text (route->name());
 207                 update_title();
 208         }
 209 }
 210
 211 void
 212 RouteParams_UI::setup_redirect_boxes()
 213 {
 214         if (session && _route) {
 215
 216                 // just in case... shouldn't need this
 217                 cleanup_redirect_boxes();
 218
 219                 // construct new redirect boxes
 220                 pre_redirect_box = new RedirectBox(PreFader, *session, *_route, *_plugin_selector, _rr_selection);
 221                 post_redirect_box = new RedirectBox(PostFader, *session, *_route, *_plugin_selector, _rr_selection);
 222
 223                 pre_redir_hpane.pack1 (*pre_redirect_box);
 224                 post_redir_hpane.pack1 (*post_redirect_box);
 225
 226                 pre_redirect_box->RedirectSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 227                 pre_redirect_box->RedirectUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 228                 post_redirect_box->RedirectSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 229                 post_redirect_box->RedirectUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 230
 231                 pre_redir_hpane.show_all();
 232                 post_redir_hpane.show_all();
 233         }
 234
 235 }
 236
 237 void
 238 RouteParams_UI::cleanup_redirect_boxes()
 239 {
 240         if (pre_redirect_box) {
 241                 pre_redir_hpane.remove(*pre_redirect_box);
 242                 delete pre_redirect_box;
 243                 pre_redirect_box = 0;
 244         }
 245
 246         if (post_redirect_box) {
 247                 post_redir_hpane.remove(*post_redirect_box);
 248                 delete post_redirect_box;
 249                 post_redirect_box = 0;
 250         }
 251 }
 252
 253 void
 254 RouteParams_UI::setup_io_frames()
 255 {
 256         cleanup_io_frames();
 257
 258         // input
 259         _input_iosel = new IOSelector (*session, *_route, true);
 260         _input_iosel->redisplay ();
 261         input_frame.add (*_input_iosel);
 262         input_frame.show_all();
 263
 264         // output
 265         _output_iosel = new IOSelector (*session, *_route, false);
 266         _output_iosel->redisplay ();
 267         output_frame.add (*_output_iosel);
 268         output_frame.show_all();
 269 }
 270
 271 void
 272 RouteParams_UI::cleanup_io_frames()
 273 {
 274         if (_input_iosel) {
 275                 _input_iosel->Finished (IOSelector::Cancelled);
 276                 input_frame.remove();
 277                 delete _input_iosel;
 278                 _input_iosel = 0;
 279         }
 280
 281         if (_output_iosel) {
 282                 _output_iosel->Finished (IOSelector::Cancelled);
 283
 284                 output_frame.remove();
 285                 delete _output_iosel;
 286                 _output_iosel = 0;
 287         }
 288 }
 289
 290 void
 291 RouteParams_UI::cleanup_pre_view (bool stopupdate)
 292 {
 293         if (_active_pre_view) {
 294                 PluginUI *   plugui = 0;
 295
 296                 if (stopupdate && (plugui = dynamic_cast<PluginUI*>(_active_pre_view)) != 0) {
 297                           plugui->stop_updating (0);
 298                 }
 299
 300                 _pre_plugin_conn.disconnect();
 301                 pre_redir_hpane.remove(*_active_pre_view);
 302                 delete _active_pre_view;
 303                 _active_pre_view = 0;
 304         }
 305 }
 306
 307 void
 308 RouteParams_UI::cleanup_post_view (bool stopupdate)
 309 {
 310         if (_active_post_view) {
 311                 PluginUI *   plugui = 0;
 312
 313                 if (stopupdate && (plugui = dynamic_cast<PluginUI*>(_active_post_view)) != 0) {
 314                           plugui->stop_updating (0);
 315                 }
 316                 _post_plugin_conn.disconnect();
 317                 post_redir_hpane.remove(*_active_post_view);
 318                 delete _active_post_view;
 319                 _active_post_view = 0;
 320         }
 321 }
 322
 323
 324 void
 325 RouteParams_UI::route_removed (Route *route)
 326 {
 327         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 328         /*
 329         route_select_list.freeze ();
 330         route_select_list.clear ();
 331         session->foreach_route (this, &RouteParams_UI::add_route);
 332         route_select_list.thaw ();
 333         */
 334
 335         TreeModel::Children rows = route_display_model->children();
 336         TreeModel::Children::iterator ri;
 337
 338         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 339                 if((*iter)[route_display_columns.route] == route) {
 340                         route_display_model->erase(iter);
 341                         break;
 342                 }
 343         }
 344
 345         if (route == _route)
 346         {
 347                 cleanup_io_frames();
 348                 cleanup_pre_view();
 349                 cleanup_post_view();
 350                 cleanup_redirect_boxes();
 351
 352                 _route = 0;
 353                 _pre_redirect = 0;
 354                 _post_redirect = 0;
 355                 update_title();
 356         }
 357 }
 358
 359 void
 360 RouteParams_UI::set_session (Session *sess)
 361 {
 362         ArdourDialog::set_session (sess);
 363
 364         route_display_model->clear();
 365
 366         if (session) {
 367                 session->foreach_route (this, &RouteParams_UI::add_route);
 368                 session->going_away.connect (mem_fun(*this, &ArdourDialog::session_gone));
 369                 session->RouteAdded.connect (mem_fun(*this, &RouteParams_UI::add_route));
 370                 start_updating ();
 371         } else {
 372                 stop_updating ();
 373         }
 374
 375         //route_select_list.thaw ();
 376
 377         _plugin_selector->set_session (session);
 378 }
 379
 380
 381 void
 382 RouteParams_UI::session_gone ()
 383 {
 384         ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::session_gone));
 385
 386         route_display_model->clear();
 387
 388         cleanup_io_frames();
 389         cleanup_pre_view();
 390         cleanup_post_view();
 391         cleanup_redirect_boxes();
 392
 393         _route = 0;
 394         _pre_redirect = 0;
 395         _post_redirect = 0;
 396         update_title();
 397
 398         ArdourDialog::session_gone();
 399
 400 }
 401
 402 void
 403 RouteParams_UI::route_selected()
 404 {
 405         Glib::RefPtr<TreeSelection> selection = route_display.get_selection();
 406         TreeModel::iterator iter = selection->get_selected(); // only used with Gtk::SELECTION_SINGLE
 407         if(iter) {
 408                 //If anything is selected
 409                 Route* route = (*iter)[route_display_columns.route] ;
 410
 411                 if (_route == route) {
 412                         // do nothing
 413                         return;
 414                 }
 415
 416                 // remove event binding from previously selected
 417                 if (_route) {
 418                         _route_conn.disconnect();
 419                         _route_ds_conn.disconnect();
 420                         cleanup_redirect_boxes();
 421                         cleanup_pre_view();
 422                         cleanup_post_view();
 423                         cleanup_io_frames();
 424                 }
 425
 426                 // update the other panes with the correct info
 427                 _route = route;
 428                 //update_routeinfo (route);
 429
 430                 setup_io_frames();
 431                 setup_redirect_boxes();
 432
 433                 // bind to redirects changed event for this route
 434                 _route_conn = route->redirects_changed.connect (mem_fun(*this, &RouteParams_UI::redirects_changed));
 435
 436                 track_input_label.set_text (_route->name());
 437
 438                 update_title();
 439         } else {
 440                 // no selection
 441                 if (_route) {
 442                         _route_conn.disconnect();
 443
 444                         // remove from view
 445                         cleanup_io_frames();
 446                         cleanup_pre_view();
 447                         cleanup_post_view();
 448                         cleanup_redirect_boxes();
 449
 450                         _route = 0;
 451                         _pre_redirect = 0;
 452                         _post_redirect = 0;
 453                         track_input_label.set_text(_("NO TRACK"));
 454                         update_title();
 455                 }
 456         }
 457 }
 458
 459 //void
 460 //RouteParams_UI::route_unselected (gint row, gint col, GdkEvent *ev)
 461 //{
 462 //      if (_route) {
 463 //              _route_conn.disconnect();
 464
 465                 // remove from view
 466 //              cleanup_io_frames();
 467 //              cleanup_pre_view();
 468 //              cleanup_post_view();
 469 //              cleanup_redirect_boxes();
 470
 471 //              _route = 0;
 472 //              _pre_redirect = 0;
 473 //              _post_redirect = 0;
 474 //              track_input_label.set_text(_("NO TRACK"));
 475 //              update_title();
 476 //      }
 477 //}
 478
 479 void
 480 RouteParams_UI::redirects_changed (void *src)
 481
 482 {
 483         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirects_changed), src));
 484
 485 //      pre_redirect_list.freeze ();
 486 //      pre_redirect_list.clear ();
 487 //      post_redirect_list.freeze ();
 488 //      post_redirect_list.clear ();
 489 //      if (_route) {
 490 //              _route->foreach_redirect (this, &RouteParams_UI::add_redirect_to_display);
 491 //      }
 492 //      pre_redirect_list.thaw ();
 493 //      post_redirect_list.thaw ();
 494
 495         cleanup_pre_view();
 496         cleanup_post_view();
 497
 498         _pre_redirect = 0;
 499         _post_redirect = 0;
 500         //update_title();
 501 }
 502
 503
 504
 505 void
 506 RouteParams_UI::show_track_menu()
 507 {
 508         using namespace Menu_Helpers;
 509
 510         if (track_menu == 0) {
 511                 track_menu = new Menu;
 512                 track_menu->set_name ("ArdourContextMenu");
 513                 track_menu->items().push_back
 514                                 (MenuElem (_("Add Track/Bus"),
 515                                            mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::add_route)));
 516         }
 517         track_menu->popup (1, 0);
 518 }
 519
 520
 521
 522 void
 523 RouteParams_UI::redirect_selected (ARDOUR::Redirect *redirect, ARDOUR::Placement place)
 524 {
 525         Insert *insert;
 526
 527         if ((place == PreFader && _pre_redirect == redirect)
 528             || (place == PostFader && _post_redirect == redirect)){
 529                 return;
 530         }
 531
 532         if ((insert = dynamic_cast<Insert *> (redirect)) == 0) {
 533
 534                 Send *send;
 535
 536                 if ((send = dynamic_cast<Send *> (redirect)) != 0) {
 537
 538                         /* its a send */
 539
 540                         SendUI *send_ui = new SendUI (*send, *session);
 541
 542                         if (place == PreFader) {
 543                                 cleanup_pre_view();
 544                                 _pre_plugin_conn = send->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 545                                 _active_pre_view = send_ui;
 546
 547                                 pre_redir_hpane.add2 (*_active_pre_view);
 548                                 pre_redir_hpane.show_all();
 549                         }
 550                         else {
 551                                 cleanup_post_view();
 552                                 _post_plugin_conn = send->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 553                                 _active_post_view = send_ui;
 554
 555                                 post_redir_hpane.add2 (*_active_post_view);
 556                                 post_redir_hpane.show_all();
 557                         }
 558                 }
 559
 560         } else {
 561                 /* its an insert, though we don't know what kind yet. */
 562
 563                 PluginInsert *plugin_insert;
 564                 PortInsert *port_insert;
 565
 566                 if ((plugin_insert = dynamic_cast<PluginInsert *> (insert)) != 0) {
 567
 568                         PluginUI *plugin_ui = new PluginUI (session->engine(), *plugin_insert, true);
 569
 570                         if (place == PreFader) {
 571                                 cleanup_pre_view();
 572                                 _pre_plugin_conn = plugin_insert->plugin().GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PreFader));
 573                                 plugin_ui->start_updating (0);
 574                                 _active_pre_view = plugin_ui;
 575                                 pre_redir_hpane.pack2 (*_active_pre_view);
 576                                 pre_redir_hpane.show_all();
 577                         }
 578                         else {
 579                                 cleanup_post_view();
 580                                 _post_plugin_conn = plugin_insert->plugin().GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PostFader));
 581                                 plugin_ui->start_updating (0);
 582                                 _active_post_view = plugin_ui;
 583                                 post_redir_hpane.pack2 (*_active_post_view);
 584                                 post_redir_hpane.show_all();
 585                         }
 586
 587                 } else if ((port_insert = dynamic_cast<PortInsert *> (insert)) != 0) {
 588
 589                         PortInsertUI *portinsert_ui = new PortInsertUI (*session, *port_insert);
 590
 591                         if (place == PreFader) {
 592                                 cleanup_pre_view();
 593                                 _pre_plugin_conn = port_insert->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 594                                 _active_pre_view = portinsert_ui;
 595                                 pre_redir_hpane.pack2 (*_active_pre_view);
 596                                 portinsert_ui->redisplay();
 597                                 pre_redir_hpane.show_all();
 598                         }
 599                         else {
 600                                 cleanup_post_view();
 601                                 _post_plugin_conn = port_insert->GoingAway.connect (mem_fun(*this, &RouteParams_UI::redirect_going_away));
 602                                 _active_post_view = portinsert_ui;
 603                                 post_redir_hpane.pack2 (*_active_post_view);
 604                                 portinsert_ui->redisplay();
 605                                 post_redir_hpane.show_all();
 606                         }
 607                 }
 608
 609         }
 610
 611         if (place == PreFader) {
 612                 _pre_redirect = redirect;
 613         }
 614         else {
 615                 _post_redirect = redirect;
 616         }
 617
 618         update_title();
 619
 620 }
 621
 622 void
 623 RouteParams_UI::redirect_unselected (ARDOUR::Redirect *redirect)
 624 {
 625         // not called anymore
 626
 627         if (redirect == _pre_redirect) {
 628                 cleanup_pre_view();
 629                 _pre_redirect = 0;
 630         }
 631         else if (redirect == _post_redirect) {
 632                 cleanup_post_view();
 633                 _post_redirect = 0;
 634         }
 635 }
 636
 637
 638
 639 void
 640 RouteParams_UI::plugin_going_away (Plugin *plugin, Placement place)
 641 {
 642         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), plugin, place));
 643
 644         // delete the current view without calling finish
 645
 646         if (place == PreFader) {
 647                 cleanup_pre_view (false);
 648                 _pre_redirect = 0;
 649         }
 650         else {
 651                 cleanup_post_view (false);
 652                 _post_redirect = 0;
 653         }
 654 }
 655
 656 void
 657 RouteParams_UI::redirect_going_away (ARDOUR::Redirect *plugin)
 658
 659 {
 660         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), plugin));
 661
 662         printf ("redirect going away\n");
 663         // delete the current view without calling finish
 664         if (plugin == _pre_redirect) {
 665                 cleanup_pre_view (false);
 666                 _pre_redirect = 0;
 667         }
 668         else if (plugin == _post_redirect) {
 669                 cleanup_post_view (false);
 670                 _post_redirect = 0;
 671         }
 672 }
 673
 674
 675 void
 676 RouteParams_UI::update_title ()
 677 {
 678         if (_route) {
 679                 string title;
 680                 title += _route->name();
 681 //              title += ": ";
 682
 683 //              if (_redirect && (_current_view == PLUGIN_CONFIG_VIEW || _current_view == SEND_CONFIG_VIEW)) {
 684 //                      title += _redirect->name();
 685 //              }
 686 //              else if (_current_view == INPUT_CONFIG_VIEW) {
 687 //                      title += _("INPUT");
 688 //              }
 689 //              else if (_current_view == OUTPUT_CONFIG_VIEW) {
 690 //                      title += _("OUTPUT");
 691 //              }
 692
 693                 title_label.set_text(title);
 694
 695                 title = _("ardour: track/bus inspector: ") + title;
 696                 set_title(title);
 697         }
 698         else {
 699                 title_label.set_text(_("No Route Selected"));
 700                 set_title(_("ardour: track/bus/inspector: no route selected"));
 701         }
 702 }
 703
 704
 705 void
 706 RouteParams_UI::start_updating ()
 707 {
 708         update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
 709                 (mem_fun(*this, &RouteParams_UI::update_views));
 710 }
 711
 712 void
 713 RouteParams_UI::stop_updating ()
 714 {
 715         update_connection.disconnect();
 716 }
 717
 718 void
 719 RouteParams_UI::update_views ()
 720 {
 721         SendUI *sui;
 722         // TODO: only do it if correct tab is showing
 723
 724         if ((sui = dynamic_cast<SendUI*> (_active_pre_view)) != 0) {
 725                 sui->update ();
 726         }
 727         if ((sui = dynamic_cast<SendUI*> (_active_post_view)) != 0) {
 728                 sui->update ();
 729         }
 730
 731 }