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 */
  19
  20 #include <algorithm>
  21
  22 #include <glibmm/thread.h>
  23 #include <gtkmm2ext/utils.h>
  24 #include <gtkmm2ext/stop_signal.h>
  25 #include <gtkmm2ext/window_title.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/plugin_insert.h>
  38 #include <ardour/port_insert.h>
  39
  40 #include "route_params_ui.h"
  41 #include "keyboard.h"
  42 #include "mixer_strip.h"
  43 #include "plugin_selector.h"
  44 #include "ardour_ui.h"
  45 #include "plugin_ui.h"
  46 #include "io_selector.h"
  47 #include "send_ui.h"
  48 #include "utils.h"
  49 #include "gui_thread.h"
  50
  51 #include "i18n.h"
  52
  53 using namespace ARDOUR;
  54 using namespace PBD;
  55 using namespace Gtk;
  56 using namespace Gtkmm2ext;
  57 using namespace sigc;
  58
  59 RouteParams_UI::RouteParams_UI ()
  60         : ArdourDialog ("track/bus inspector"),
  61           track_menu(0)
  62 {
  63         pre_insert_box = 0;
  64         post_insert_box = 0;
  65         _input_iosel = 0;
  66         _output_iosel = 0;
  67         _active_pre_view = 0;
  68         _active_post_view = 0;
  69
  70         using namespace Notebook_Helpers;
  71
  72         input_frame.set_shadow_type(Gtk::SHADOW_NONE);
  73         output_frame.set_shadow_type(Gtk::SHADOW_NONE);
  74
  75         notebook.set_show_tabs (true);
  76         notebook.set_show_border (true);
  77         notebook.set_name ("RouteParamNotebook");
  78
  79         // create the tree model
  80         route_display_model = ListStore::create(route_display_columns);
  81
  82         // setup the treeview
  83         route_display.set_model(route_display_model);
  84         route_display.append_column(_("Tracks/Buses"), route_display_columns.text);
  85         route_display.set_name(X_("RouteParamsListDisplay"));
  86         route_display.get_selection()->set_mode(Gtk::SELECTION_SINGLE); // default
  87         route_display.set_reorderable(false);
  88         route_display.set_size_request(75, -1);
  89         route_display.set_headers_visible(true);
  90         route_display.set_headers_clickable(true);
  91
  92         route_select_scroller.add(route_display);
  93         route_select_scroller.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
  94
  95
  96         route_select_frame.set_name("RouteSelectBaseFrame");
  97         route_select_frame.set_shadow_type (Gtk::SHADOW_IN);
  98         route_select_frame.add(route_select_scroller);
  99
 100         list_vpacker.pack_start (route_select_frame, true, true);
 101
 102         notebook.pages().push_back (TabElem (input_frame, _("Inputs")));
 103         notebook.pages().push_back (TabElem (output_frame, _("Outputs")));
 104         notebook.pages().push_back (TabElem (pre_redir_hpane, _("Pre-fader Redirects")));
 105         notebook.pages().push_back (TabElem (post_redir_hpane, _("Post-fader Redirects")));
 106
 107         notebook.set_name ("InspectorNotebook");
 108
 109         title_label.set_name ("RouteParamsTitleLabel");
 110         update_title();
 111
 112         // changeable area
 113         route_param_frame.set_name("RouteParamsBaseFrame");
 114         route_param_frame.set_shadow_type (Gtk::SHADOW_IN);
 115
 116
 117         route_hpacker.pack_start (notebook, true, true);
 118
 119
 120         route_vpacker.pack_start (title_label, false, false);
 121         route_vpacker.pack_start (route_hpacker, true, true);
 122
 123
 124         list_hpane.pack1 (list_vpacker);
 125         list_hpane.add2 (route_vpacker);
 126
 127         list_hpane.set_position(110);
 128
 129         pre_redir_hpane.set_position(110);
 130         post_redir_hpane.set_position(110);
 131
 132         //global_vpacker.pack_start (list_hpane, true, true);
 133         //get_vbox()->pack_start (global_vpacker);
 134         get_vbox()->pack_start (list_hpane);
 135
 136
 137         set_name ("RouteParamsWindow");
 138         set_default_size (620,370);
 139         set_wmclass (X_("ardour_route_parameters"), "Ardour");
 140
 141         WindowTitle title(Glib::get_application_name());
 142         title += _("Track/Bus Inspector");
 143         set_title (title.get_string());
 144
 145         // events
 146         route_display.get_selection()->signal_changed().connect(mem_fun(*this, &RouteParams_UI::route_selected));
 147         route_display.get_column(0)->signal_clicked().connect(mem_fun(*this, &RouteParams_UI::show_track_menu));
 148
 149         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_RELEASE_MASK);
 150
 151         _plugin_selector = new PluginSelector (PluginManager::the_manager());
 152         _plugin_selector->signal_delete_event().connect (bind (ptr_fun (just_hide_it),
 153                                                      static_cast<Window *> (_plugin_selector)));
 154
 155
 156         signal_delete_event().connect(bind(ptr_fun(just_hide_it), static_cast<Gtk::Window *>(this)));
 157 }
 158
 159 RouteParams_UI::~RouteParams_UI ()
 160 {
 161 }
 162
 163 void
 164 RouteParams_UI::add_routes (Session::RouteList& routes)
 165 {
 166         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::add_routes), routes));
 167
 168         for (Session::RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 169                 boost::shared_ptr<Route> route = (*x);
 170
 171                 if (route->hidden()) {
 172                         return;
 173                 }
 174
 175                 TreeModel::Row row = *(route_display_model->append());
 176                 row[route_display_columns.text] = route->name();
 177                 row[route_display_columns.route] = route;
 178
 179                 //route_select_list.rows().back().select ();
 180
 181                 route->NameChanged.connect (bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
 182                 route->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 183         }
 184 }
 185
 186
 187 void
 188 RouteParams_UI::route_name_changed (boost::shared_ptr<Route> route)
 189 {
 190         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_name_changed), route));
 191
 192         bool found = false ;
 193         TreeModel::Children rows = route_display_model->children();
 194         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 195                 boost::shared_ptr<Route> r =(*iter)[route_display_columns.route];
 196                 if (r == route) {
 197                         (*iter)[route_display_columns.text] = route->name() ;
 198                         found = true ;
 199                         break;
 200                 }
 201         }
 202
 203         if(!found) {
 204                 error << _("route display list item for renamed route not found!") << endmsg;
 205         }
 206
 207         if (route == _route) {
 208                 track_input_label.set_text (route->name());
 209                 update_title();
 210         }
 211 }
 212
 213 void
 214 RouteParams_UI::setup_redirect_boxes()
 215 {
 216         if (session && _route) {
 217
 218                 // just in case... shouldn't need this
 219                 cleanup_redirect_boxes();
 220
 221                 // construct new redirect boxes
 222                 pre_insert_box = new RedirectBox(PreFader, *session, _route, *_plugin_selector, _rr_selection);
 223                 post_insert_box = new RedirectBox(PostFader, *session, _route, *_plugin_selector, _rr_selection);
 224
 225                 pre_redir_hpane.pack1 (*pre_insert_box);
 226                 post_redir_hpane.pack1 (*post_insert_box);
 227
 228                 pre_insert_box->InsertSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 229                 pre_insert_box->InsertUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PreFader));
 230                 post_insert_box->InsertSelected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 231                 post_insert_box->InsertUnselected.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_selected), PostFader));
 232
 233                 pre_redir_hpane.show_all();
 234                 post_redir_hpane.show_all();
 235         }
 236
 237 }
 238
 239 void
 240 RouteParams_UI::cleanup_redirect_boxes()
 241 {
 242         if (pre_insert_box) {
 243                 pre_redir_hpane.remove(*pre_insert_box);
 244                 delete pre_insert_box;
 245                 pre_insert_box = 0;
 246         }
 247
 248         if (post_insert_box) {
 249                 post_redir_hpane.remove(*post_insert_box);
 250                 delete post_insert_box;
 251                 post_insert_box = 0;
 252         }
 253 }
 254
 255 void
 256 RouteParams_UI::setup_io_frames()
 257 {
 258         cleanup_io_frames();
 259
 260         // input
 261         _input_iosel = new IOSelector (*session, _route, true);
 262         _input_iosel->redisplay ();
 263         input_frame.add (*_input_iosel);
 264         input_frame.show_all();
 265
 266         // output
 267         _output_iosel = new IOSelector (*session, _route, false);
 268         _output_iosel->redisplay ();
 269         output_frame.add (*_output_iosel);
 270         output_frame.show_all();
 271 }
 272
 273 void
 274 RouteParams_UI::cleanup_io_frames()
 275 {
 276         if (_input_iosel) {
 277                 _input_iosel->Finished (IOSelector::Cancelled);
 278                 input_frame.remove();
 279                 delete _input_iosel;
 280                 _input_iosel = 0;
 281         }
 282
 283         if (_output_iosel) {
 284                 _output_iosel->Finished (IOSelector::Cancelled);
 285
 286                 output_frame.remove();
 287                 delete _output_iosel;
 288                 _output_iosel = 0;
 289         }
 290 }
 291
 292 void
 293 RouteParams_UI::cleanup_pre_view (bool stopupdate)
 294 {
 295         if (_active_pre_view) {
 296                 LadspaPluginUI *   plugui = 0;
 297
 298                 if (stopupdate && (plugui = dynamic_cast<LadspaPluginUI*>(_active_pre_view)) != 0) {
 299                           plugui->stop_updating (0);
 300                 }
 301
 302                 _pre_plugin_conn.disconnect();
 303                 pre_redir_hpane.remove(*_active_pre_view);
 304                 delete _active_pre_view;
 305                 _active_pre_view = 0;
 306         }
 307 }
 308
 309 void
 310 RouteParams_UI::cleanup_post_view (bool stopupdate)
 311 {
 312         if (_active_post_view) {
 313                 LadspaPluginUI *   plugui = 0;
 314
 315                 if (stopupdate && (plugui = dynamic_cast<LadspaPluginUI*>(_active_post_view)) != 0) {
 316                           plugui->stop_updating (0);
 317                 }
 318                 _post_plugin_conn.disconnect();
 319                 post_redir_hpane.remove(*_active_post_view);
 320                 delete _active_post_view;
 321                 _active_post_view = 0;
 322         }
 323 }
 324
 325
 326 void
 327 RouteParams_UI::route_removed (boost::shared_ptr<Route> route)
 328 {
 329         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::route_removed), route));
 330
 331         TreeModel::Children rows = route_display_model->children();
 332         TreeModel::Children::iterator ri;
 333
 334         for(TreeModel::Children::iterator iter = rows.begin(); iter != rows.end(); ++iter) {
 335                 boost::shared_ptr<Route> r =(*iter)[route_display_columns.route];
 336
 337                 if (r == route) {
 338                         route_display_model->erase(iter);
 339                         break;
 340                 }
 341         }
 342
 343         if (route == _route) {
 344                 cleanup_io_frames();
 345                 cleanup_pre_view();
 346                 cleanup_post_view();
 347                 cleanup_redirect_boxes();
 348
 349                 _route.reset ((Route*) 0);
 350                 _pre_insert.reset ((Redirect*) 0);
 351                 _post_insert.reset ((Redirect*) 0);
 352                 update_title();
 353         }
 354 }
 355
 356 void
 357 RouteParams_UI::set_session (Session *sess)
 358 {
 359         ArdourDialog::set_session (sess);
 360
 361         route_display_model->clear();
 362
 363         if (session) {
 364                 boost::shared_ptr<Session::RouteList> r = session->get_routes();
 365                 add_routes (*r);
 366                 session->GoingAway.connect (mem_fun(*this, &ArdourDialog::session_gone));
 367                 session->RouteAdded.connect (mem_fun(*this, &RouteParams_UI::add_routes));
 368                 start_updating ();
 369         } else {
 370                 stop_updating ();
 371         }
 372
 373         //route_select_list.thaw ();
 374
 375         _plugin_selector->set_session (session);
 376 }
 377
 378
 379 void
 380 RouteParams_UI::session_gone ()
 381 {
 382         ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::session_gone));
 383
 384         route_display_model->clear();
 385
 386         cleanup_io_frames();
 387         cleanup_pre_view();
 388         cleanup_post_view();
 389         cleanup_redirect_boxes();
 390
 391         _route.reset ((Route*) 0);
 392         _pre_insert.reset ((Redirect*) 0);
 393         _post_insert.reset ((Redirect*) 0);
 394         update_title();
 395
 396         ArdourDialog::session_gone();
 397
 398 }
 399
 400 void
 401 RouteParams_UI::route_selected()
 402 {
 403         Glib::RefPtr<TreeSelection> selection = route_display.get_selection();
 404         TreeModel::iterator iter = selection->get_selected(); // only used with Gtk::SELECTION_SINGLE
 405         if(iter) {
 406                 //If anything is selected
 407                 boost::shared_ptr<Route> route = (*iter)[route_display_columns.route] ;
 408
 409                 if (_route == route) {
 410                         // do nothing
 411                         return;
 412                 }
 413
 414                 // remove event binding from previously selected
 415                 if (_route) {
 416                         _route_conn.disconnect();
 417                         _route_ds_conn.disconnect();
 418                         cleanup_redirect_boxes();
 419                         cleanup_pre_view();
 420                         cleanup_post_view();
 421                         cleanup_io_frames();
 422                 }
 423
 424                 // update the other panes with the correct info
 425                 _route = route;
 426                 //update_routeinfo (route);
 427
 428                 setup_io_frames();
 429                 setup_redirect_boxes();
 430
 431                 // bind to redirects changed event for this route
 432                 _route_conn = route->inserts_changed.connect (mem_fun(*this, &RouteParams_UI::inserts_changed));
 433
 434                 track_input_label.set_text (_route->name());
 435
 436                 update_title();
 437         } else {
 438                 // no selection
 439                 if (_route) {
 440                         _route_conn.disconnect();
 441
 442                         // remove from view
 443                         cleanup_io_frames();
 444                         cleanup_pre_view();
 445                         cleanup_post_view();
 446                         cleanup_redirect_boxes();
 447
 448                         _route.reset ((Route*) 0);
 449                         _pre_insert.reset ((Redirect*) 0);
 450                         _post_insert.reset ((Redirect *) 0);
 451                         track_input_label.set_text(_("NO TRACK"));
 452                         update_title();
 453                 }
 454         }
 455 }
 456
 457 //void
 458 //RouteParams_UI::route_unselected (gint row, gint col, GdkEvent *ev)
 459 //{
 460 //      if (_route) {
 461 //              _route_conn.disconnect();
 462
 463                 // remove from view
 464 //              cleanup_io_frames();
 465 //              cleanup_pre_view();
 466 //              cleanup_post_view();
 467 //              cleanup_redirect_boxes();
 468
 469 //              _route.reset ((Route*)0);
 470 //              _pre_insert = 0;
 471 //              _post_insert = 0;
 472 //              track_input_label.set_text(_("NO TRACK"));
 473 //              update_title();
 474 //      }
 475 //}
 476
 477 void
 478 RouteParams_UI::inserts_changed ()
 479
 480 {
 481         ENSURE_GUI_THREAD(mem_fun(*this, &RouteParams_UI::inserts_changed));
 482
 483 //      pre_insert_list.freeze ();
 484 //      pre_insert_list.clear ();
 485 //      post_insert_list.freeze ();
 486 //      post_insert_list.clear ();
 487 //      if (_route) {
 488 //              _route->foreach_redirect (this, &RouteParams_UI::add_redirect_to_display);
 489 //      }
 490 //      pre_insert_list.thaw ();
 491 //      post_insert_list.thaw ();
 492
 493         cleanup_pre_view();
 494         cleanup_post_view();
 495
 496         _pre_insert.reset ((Redirect*) 0);
 497         _post_insert.reset ((Redirect*) 0);
 498         //update_title();
 499 }
 500
 501
 502
 503 void
 504 RouteParams_UI::show_track_menu()
 505 {
 506         using namespace Menu_Helpers;
 507
 508         if (track_menu == 0) {
 509                 track_menu = new Menu;
 510                 track_menu->set_name ("ArdourContextMenu");
 511                 track_menu->items().push_back
 512                                 (MenuElem (_("Add Track/Bus"),
 513                                            bind (mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::add_route), (Gtk::Window*) 0)));
 514         }
 515         track_menu->popup (1, gtk_get_current_event_time());
 516 }
 517
 518
 519
 520 void
 521 RouteParams_UI::redirect_selected (boost::shared_ptr<ARDOUR::Insert> insert, ARDOUR::Placement place)
 522 {
 523         if ((place == PreFader && _pre_insert == insert)
 524             || (place == PostFader && _post_insert == insert)){
 525                 return;
 526         }
 527
 528         boost::shared_ptr<Send> send;
 529         boost::shared_ptr<PluginInsert> plugin_insert;
 530         boost::shared_ptr<PortInsert> port_insert;
 531
 532         if ((send = boost::dynamic_pointer_cast<Send> (insert)) != 0) {
 533
 534                 SendUI *send_ui = new SendUI (send, *session);
 535
 536                 if (place == PreFader) {
 537                         cleanup_pre_view();
 538                         _pre_plugin_conn = send->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
 539                         _active_pre_view = send_ui;
 540
 541                         pre_redir_hpane.add2 (*_active_pre_view);
 542                         pre_redir_hpane.show_all();
 543                 }
 544                 else {
 545                         cleanup_post_view();
 546                         _post_plugin_conn = send->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
 547                         _active_post_view = send_ui;
 548
 549                         post_redir_hpane.add2 (*_active_post_view);
 550                         post_redir_hpane.show_all();
 551                 }
 552         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (insert)) != 0) {
 553
 554                 LadspaPluginUI *plugin_ui = new LadspaPluginUI (plugin_insert, true);
 555
 556                 if (place == PreFader) {
 557                         cleanup_pre_view();
 558                         _pre_plugin_conn = plugin_insert->plugin()->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PreFader));
 559                         plugin_ui->start_updating (0);
 560                         _active_pre_view = plugin_ui;
 561                         pre_redir_hpane.pack2 (*_active_pre_view);
 562                         pre_redir_hpane.show_all();
 563                 }
 564                 else {
 565                         cleanup_post_view();
 566                         _post_plugin_conn = plugin_insert->plugin()->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), PostFader));
 567                         plugin_ui->start_updating (0);
 568                         _active_post_view = plugin_ui;
 569                         post_redir_hpane.pack2 (*_active_post_view);
 570                         post_redir_hpane.show_all();
 571                 }
 572
 573         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (insert)) != 0) {
 574
 575                 PortInsertUI *portinsert_ui = new PortInsertUI (*session, port_insert);
 576
 577                 if (place == PreFader) {
 578                         cleanup_pre_view();
 579                         _pre_plugin_conn = port_insert->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
 580                         _active_pre_view = portinsert_ui;
 581                         pre_redir_hpane.pack2 (*_active_pre_view);
 582                         portinsert_ui->redisplay();
 583                         pre_redir_hpane.show_all();
 584                 }
 585                 else {
 586                         cleanup_post_view();
 587                         _post_plugin_conn = port_insert->GoingAway.connect (bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
 588                         _active_post_view = portinsert_ui;
 589                         post_redir_hpane.pack2 (*_active_post_view);
 590                         portinsert_ui->redisplay();
 591                         post_redir_hpane.show_all();
 592                 }
 593         }
 594
 595         if (place == PreFader) {
 596                 _pre_insert = insert;
 597         } else {
 598                 _post_insert = insert;
 599         }
 600
 601         update_title();
 602
 603 }
 604
 605 void
 606 RouteParams_UI::plugin_going_away (Placement place)
 607 {
 608         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::plugin_going_away), place));
 609
 610         // delete the current view without calling finish
 611
 612         if (place == PreFader) {
 613                 cleanup_pre_view (false);
 614                 _pre_insert.reset ((Redirect*) 0);
 615         }
 616         else {
 617                 cleanup_post_view (false);
 618                 _post_insert.reset ((Redirect*) 0);
 619         }
 620 }
 621
 622 void
 623 RouteParams_UI::redirect_going_away (boost::shared_ptr<ARDOUR::Insert> insert)
 624
 625 {
 626         ENSURE_GUI_THREAD(bind (mem_fun(*this, &RouteParams_UI::redirect_going_away), insert));
 627
 628         printf ("redirect going away\n");
 629         // delete the current view without calling finish
 630         if (insert == _pre_insert) {
 631                 cleanup_pre_view (false);
 632                 _pre_insert.reset ((Redirect*) 0);
 633         } else if (insert == _post_insert) {
 634                 cleanup_post_view (false);
 635                 _post_insert.reset ((Redirect*) 0);
 636         }
 637 }
 638
 639
 640 void
 641 RouteParams_UI::update_title ()
 642 {
 643         WindowTitle title(Glib::get_application_name());
 644         title += _("Track/Bus Inspector");
 645
 646         if (_route) {
 647
 648                 //              title += ": ";
 649
 650                 //              if (_redirect && (_current_view == PLUGIN_CONFIG_VIEW || _current_view == SEND_CONFIG_VIEW)) {
 651                 //                      title += _redirect->name();
 652                 //              }
 653                 //              else if (_current_view == INPUT_CONFIG_VIEW) {
 654                 //                      title += _("INPUT");
 655                 //              }
 656                 //              else if (_current_view == OUTPUT_CONFIG_VIEW) {
 657                 //                      title += _("OUTPUT");
 658                 //              }
 659
 660                 title_label.set_text(_route->name());
 661
 662                 title += _route->name();
 663
 664                 set_title(title.get_string());
 665         }
 666         else {
 667                 title_label.set_text(_("No Route Selected"));
 668                 title += _("No Route Selected");
 669                 set_title(title.get_string());
 670         }
 671 }
 672
 673
 674 void
 675 RouteParams_UI::start_updating ()
 676 {
 677         update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
 678                 (mem_fun(*this, &RouteParams_UI::update_views));
 679 }
 680
 681 void
 682 RouteParams_UI::stop_updating ()
 683 {
 684         update_connection.disconnect();
 685 }
 686
 687 void
 688 RouteParams_UI::update_views ()
 689 {
 690         SendUI *sui;
 691         // TODO: only do it if correct tab is showing
 692
 693         if ((sui = dynamic_cast<SendUI*> (_active_pre_view)) != 0) {
 694                 sui->update ();
 695         }
 696         if ((sui = dynamic_cast<SendUI*> (_active_post_view)) != 0) {
 697                 sui->update ();
 698         }
 699
 700 }