gtk2_ardour/route_ui.cc

   1 /*
   2     Copyright (C) 2002-2006 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 <gtkmm2ext/gtk_ui.h>
  21 #include <gtkmm2ext/stop_signal.h>
  22 #include <gtkmm2ext/choice.h>
  23 #include <gtkmm2ext/doi.h>
  24 #include <gtkmm2ext/bindable_button.h>
  25 #include <gtkmm2ext/barcontroller.h>
  26 #include <gtkmm2ext/gtk_ui.h>
  27
  28 #include "ardour/route_group.h"
  29 #include "ardour/dB.h"
  30 #include "pbd/memento_command.h"
  31 #include "pbd/stacktrace.h"
  32 #include "pbd/controllable.h"
  33 #include "pbd/enumwriter.h"
  34
  35 #include "ardour_ui.h"
  36 #include "editor.h"
  37 #include "route_ui.h"
  38 #include "keyboard.h"
  39 #include "utils.h"
  40 #include "prompter.h"
  41 #include "gui_thread.h"
  42 #include "ardour_dialog.h"
  43 #include "latency_gui.h"
  44 #include "mixer_strip.h"
  45 #include "automation_time_axis.h"
  46 #include "route_time_axis.h"
  47
  48 #include "ardour/route.h"
  49 #include "ardour/event_type_map.h"
  50 #include "ardour/session.h"
  51 #include "ardour/audioengine.h"
  52 #include "ardour/audio_track.h"
  53 #include "ardour/midi_track.h"
  54 #include "ardour/template_utils.h"
  55 #include "ardour/filename_extensions.h"
  56 #include "ardour/directory_names.h"
  57 #include "ardour/profile.h"
  58
  59 #include "i18n.h"
  60 using namespace Gtk;
  61 using namespace Gtkmm2ext;
  62 using namespace ARDOUR;
  63 using namespace PBD;
  64
  65 RouteUI::RouteUI (ARDOUR::Session* sess)
  66         : AxisView(sess)
  67 {
  68         init ();
  69 }
  70
  71 RouteUI::RouteUI (boost::shared_ptr<ARDOUR::Route> rt, ARDOUR::Session* sess)
  72         : AxisView(sess)
  73 {
  74         init ();
  75         set_route (rt);
  76 }
  77
  78 RouteUI::~RouteUI()
  79 {
  80         _route.reset (); /* drop reference to route, so that it can be cleaned up */
  81         route_connections.drop_connections ();
  82
  83         delete solo_menu;
  84         delete mute_menu;
  85         delete sends_menu;
  86 }
  87
  88 void
  89 RouteUI::init ()
  90 {
  91         self_destruct = true;
  92         xml_node = 0;
  93         mute_menu = 0;
  94         solo_menu = 0;
  95         sends_menu = 0;
  96         pre_fader_mute_check = 0;
  97         post_fader_mute_check = 0;
  98         listen_mute_check = 0;
  99         main_mute_check = 0;
 100         solo_safe_check = 0;
 101         solo_isolated_check = 0;
 102         ignore_toggle = false;
 103         _solo_release = 0;
 104         _mute_release = 0;
 105         route_active_menu_item = 0;
 106         denormal_menu_item = 0;
 107         multiple_mute_change = false;
 108         multiple_solo_change = false;
 109
 110         invert_button = manage (new BindableToggleButton ());
 111         // mute_button->set_self_managed (true);
 112         invert_button->set_name ("InvertButton");
 113         invert_button->add (invert_button_label);
 114         invert_button_label.show ();
 115         UI::instance()->set_tip (invert_button, _("Invert (Phase reverse) this track"), "");
 116
 117         mute_button = manage (new BindableToggleButton ());
 118         // mute_button->set_self_managed (true);
 119         mute_button->set_name ("MuteButton");
 120         mute_button->add (mute_button_label);
 121         mute_button_label.show ();
 122         UI::instance()->set_tip (mute_button, _("Mute this track"), "");
 123
 124         solo_button = manage (new BindableToggleButton ());
 125         // solo_button->set_self_managed (true);
 126         solo_button->set_name ("SoloButton");
 127         solo_button->add (solo_button_label);
 128         solo_button_label.show ();
 129         UI::instance()->set_tip (solo_button, _("Mute other (non-soloed) tracks"), "");
 130         solo_button->set_no_show_all (true);
 131
 132         rec_enable_button = manage (new BindableToggleButton ());
 133         rec_enable_button->set_name ("RecordEnableButton");
 134         // rec_enable_button->set_self_managed (true);
 135         rec_enable_button->add (rec_enable_button_label);
 136         rec_enable_button_label.show ();
 137         UI::instance()->set_tip (rec_enable_button, _("Enable recording on this track"), "");
 138
 139         show_sends_button = manage (new BindableToggleButton (""));
 140         show_sends_button->set_name ("SendAlert");
 141         // show_sends_button->set_self_managed (true);
 142         UI::instance()->set_tip (show_sends_button, _("make mixer strips show sends to this bus"), "");
 143
 144         _session->SoloChanged.connect (_session_connections, invalidator (*this), boost::bind (&RouteUI::solo_changed_so_update_mute, this), gui_context());
 145         _session->TransportStateChange.connect (_session_connections, invalidator (*this), boost::bind (&RouteUI::check_rec_enable_sensitivity, this), gui_context());
 146         _session->RecordStateChanged.connect (_session_connections, invalidator (*this), boost::bind (&RouteUI::session_rec_enable_changed, this), gui_context());
 147
 148         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&RouteUI::parameter_changed, this, _1), gui_context());
 149
 150         rec_enable_button->signal_button_press_event().connect (sigc::mem_fun(*this, &RouteUI::rec_enable_press), false);
 151         rec_enable_button->signal_button_release_event().connect (sigc::mem_fun(*this, &RouteUI::rec_enable_release), false);
 152
 153         show_sends_button->signal_button_press_event().connect (sigc::mem_fun(*this, &RouteUI::show_sends_press), false);
 154         show_sends_button->signal_button_release_event().connect (sigc::mem_fun(*this, &RouteUI::show_sends_release));
 155
 156         solo_button->signal_button_press_event().connect (sigc::mem_fun(*this, &RouteUI::solo_press), false);
 157         solo_button->signal_button_release_event().connect (sigc::mem_fun(*this, &RouteUI::solo_release), false);
 158         mute_button->signal_button_press_event().connect (sigc::mem_fun(*this, &RouteUI::mute_press), false);
 159         mute_button->signal_button_release_event().connect (sigc::mem_fun(*this, &RouteUI::mute_release), false);
 160         invert_button->signal_toggled().connect (sigc::mem_fun(*this, &RouteUI::invert_toggled), false);
 161
 162 }
 163
 164 void
 165 RouteUI::reset ()
 166 {
 167         route_connections.drop_connections ();
 168
 169         delete solo_menu;
 170         solo_menu = 0;
 171
 172         delete mute_menu;
 173         mute_menu = 0;
 174
 175         if (xml_node) {
 176                 /* do not delete the node - its owned by the route */
 177                 xml_node = 0;
 178         }
 179
 180         route_active_menu_item = 0;
 181         denormal_menu_item = 0;
 182 }
 183
 184 void
 185 RouteUI::self_delete ()
 186 {
 187         /* This may be called from a non-GUI thread. Keep it safe */
 188
 189         delete_when_idle (this);
 190 }
 191
 192 void
 193 RouteUI::set_route (boost::shared_ptr<Route> rp)
 194 {
 195         reset ();
 196
 197         _route = rp;
 198
 199         if (set_color_from_route()) {
 200                 set_color (unique_random_color());
 201         }
 202
 203         if (self_destruct) {
 204                 rp->DropReferences.connect (route_connections, invalidator (*this), boost::bind (&RouteUI::self_delete, this), gui_context());
 205         }
 206
 207         mute_button->set_controllable (_route->mute_control());
 208         solo_button->set_controllable (_route->solo_control());
 209
 210         _route->active_changed.connect (route_connections, invalidator (*this), boost::bind (&RouteUI::route_active_changed, this), gui_context());
 211         _route->mute_changed.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::mute_changed, this, _1), gui_context());
 212         _route->solo_changed.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::solo_changed, this, _1), gui_context());
 213         _route->solo_safe_changed.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::solo_changed, this, _1), gui_context());
 214         _route->listen_changed.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::listen_changed, this, _1), gui_context());
 215         _route->solo_isolated_changed.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::solo_changed, this, _1), gui_context());
 216         _route->phase_invert_changed.connect (route_connections, invalidator (*this), boost::bind (&RouteUI::polarity_changed, this), gui_context());
 217         _route->PropertyChanged.connect (route_connections, invalidator (*this), ui_bind (&RouteUI::property_changed, this, _1), gui_context());
 218
 219         if (_session->writable() && is_track()) {
 220                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(_route);
 221
 222                 t->RecordEnableChanged.connect (route_connections, invalidator (*this), boost::bind (&RouteUI::route_rec_enable_changed, this), gui_context());
 223
 224                 rec_enable_button->show();
 225                 rec_enable_button->set_controllable (t->rec_enable_control());
 226
 227                 update_rec_display ();
 228         }
 229
 230         mute_button->unset_flags (Gtk::CAN_FOCUS);
 231         solo_button->unset_flags (Gtk::CAN_FOCUS);
 232
 233         mute_button->show();
 234         invert_button->show ();
 235
 236         if (_route->is_monitor()) {
 237                 solo_button->hide ();
 238         } else {
 239                 solo_button->show();
 240         }
 241
 242         map_frozen ();
 243 }
 244
 245 void
 246 RouteUI::invert_toggled ()
 247 {
 248         cerr << this << " button state = " << invert_button->get_active() << " PI = " << _route->phase_invert() << endl;
 249         _route->set_phase_invert (invert_button->get_active());
 250 }
 251
 252 void
 253 RouteUI::polarity_changed ()
 254 {
 255         if (!_route) {
 256                 return;
 257         }
 258
 259         if (_route->phase_invert()) {
 260                 invert_button->set_active (true);
 261         } else {
 262                 invert_button->set_active (false);
 263         }
 264 }
 265
 266 bool
 267 RouteUI::mute_press (GdkEventButton* ev)
 268 {
 269         if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
 270                 return true;
 271         }
 272
 273         multiple_mute_change = false;
 274
 275         if (!ignore_toggle) {
 276
 277                 if (Keyboard::is_context_menu_event (ev)) {
 278
 279                         if (mute_menu == 0){
 280                                 build_mute_menu();
 281                         }
 282
 283                         mute_menu->popup(0,ev->time);
 284
 285                 } else {
 286
 287                         if (Keyboard::is_button2_event (ev)) {
 288                                 // Primary-button2 click is the midi binding click
 289                                 // button2-click is "momentary"
 290
 291
 292                                 if (mute_button->on_button_press_event (ev)) {
 293                                         return true;
 294                                 }
 295
 296                                 _mute_release = new SoloMuteRelease (_route->muted ());
 297                         }
 298
 299                         if (ev->button == 1 || Keyboard::is_button2_event (ev)) {
 300
 301                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 302
 303                                         if (_mute_release) {
 304                                                 _mute_release->routes = _session->get_routes ();
 305                                         }
 306
 307                                         _session->set_mute (_session->get_routes(), !_route->muted());
 308
 309                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 310
 311                                         /* Primary-button1 applies change to the mix group even if it is not active
 312                                            NOTE: Primary-button2 is MIDI learn.
 313                                         */
 314
 315                                         if (ev->button == 1 && _route->route_group()) {
 316                                                 if (_mute_release) {
 317                                                         _mute_release->routes = _session->get_routes ();
 318                                                 }
 319
 320                                                 _session->set_mute (_session->get_routes(), !_route->muted(), Session::rt_cleanup, true);
 321                                         }
 322
 323                                 } else {
 324
 325                                         /* plain click applies change to this route */
 326
 327                                         boost::shared_ptr<RouteList> rl (new RouteList);
 328                                         rl->push_back (_route);
 329
 330                                         if (_mute_release) {
 331                                                 _mute_release->routes = rl;
 332                                         }
 333
 334                                         _session->set_mute (rl, !_route->muted());
 335
 336                                 }
 337                         }
 338                 }
 339
 340         }
 341
 342         return true;
 343 }
 344
 345 bool
 346 RouteUI::mute_release (GdkEventButton*)
 347 {
 348         if (!ignore_toggle) {
 349                 if (_mute_release){
 350                         _session->set_mute (_mute_release->routes, _mute_release->active, Session::rt_cleanup, true);
 351                         delete _mute_release;
 352                         _mute_release = 0;
 353                 }
 354         }
 355
 356         return true;
 357 }
 358
 359 bool
 360 RouteUI::solo_press(GdkEventButton* ev)
 361 {
 362         /* ignore double/triple clicks */
 363
 364         if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
 365                 return true;
 366         }
 367
 368         multiple_solo_change = false;
 369
 370         if (!ignore_toggle) {
 371
 372                 if (Keyboard::is_context_menu_event (ev)) {
 373
 374                         if (solo_menu == 0) {
 375                                 build_solo_menu ();
 376                         }
 377
 378                         solo_menu->popup (1, ev->time);
 379
 380                 } else {
 381
 382                         if (Keyboard::is_button2_event (ev)) {
 383
 384                                 // Primary-button2 click is the midi binding click
 385                                 // button2-click is "momentary"
 386
 387                                 if (solo_button->on_button_press_event (ev)) {
 388                                         return true;
 389                                 }
 390
 391                                 _solo_release = new SoloMuteRelease (_route->soloed());
 392                         }
 393
 394                         if (ev->button == 1 || Keyboard::is_button2_event (ev)) {
 395
 396                                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 397
 398                                         /* Primary-Tertiary-click applies change to all routes */
 399
 400                                         if (_solo_release) {
 401                                                 _solo_release->routes = _session->get_routes ();
 402                                         }
 403
 404                                         if (Config->get_solo_control_is_listen_control()) {
 405                                                 _session->set_listen (_session->get_routes(), !_route->listening(),  Session::rt_cleanup, true);
 406                                         } else {
 407                                                 _session->set_solo (_session->get_routes(), !_route->soloed(),  Session::rt_cleanup, true);
 408                                         }
 409
 410                                 } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
 411
 412                                         // Primary-Secondary-click: exclusively solo this track
 413
 414                                         if (_solo_release) {
 415                                                 _solo_release->exclusive = true;
 416
 417                                                 boost::shared_ptr<RouteList> routes = _session->get_routes();
 418
 419                                                 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
 420                                                         if ((*i)->soloed ()) {
 421                                                                 _solo_release->routes_on->push_back (*i);
 422                                                         } else {
 423                                                                 _solo_release->routes_off->push_back (*i);
 424                                                         }
 425                                                 }
 426                                         }
 427
 428                                         if (Config->get_solo_control_is_listen_control()) {
 429                                                 /* ??? we need a just_one_listen() method */
 430                                         } else {
 431                                                 _session->set_just_one_solo (_route, true);
 432                                         }
 433
 434                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 435
 436                                         // shift-click: toggle solo isolated status
 437
 438                                         _route->set_solo_isolated (!_route->solo_isolated(), this);
 439                                         delete _solo_release;
 440                                         _solo_release = 0;
 441
 442                                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 443
 444                                         /* Primary-button1: solo mix group.
 445                                            NOTE: Primary-button2 is MIDI learn.
 446                                         */
 447
 448                                         if (ev->button == 1 && _route->route_group()) {
 449
 450                                                 if (_solo_release) {
 451                                                         _solo_release->routes = _route->route_group()->route_list();
 452                                                 }
 453
 454                                                 if (Config->get_solo_control_is_listen_control()) {
 455                                                         _session->set_listen (_route->route_group()->route_list(), !_route->listening(),  Session::rt_cleanup, true);
 456                                                 } else {
 457                                                         _session->set_solo (_route->route_group()->route_list(), !_route->soloed(),  Session::rt_cleanup, true);
 458                                                 }
 459                                         }
 460
 461                                 } else {
 462
 463                                         /* click: solo this route */
 464
 465                                         boost::shared_ptr<RouteList> rl (new RouteList);
 466                                         rl->push_back (route());
 467
 468                                         if (_solo_release) {
 469                                                 _solo_release->routes = rl;
 470                                         }
 471
 472                                         if (Config->get_solo_control_is_listen_control()) {
 473                                                 _session->set_listen (rl, !_route->listening());
 474                                         } else {
 475                                                 _session->set_solo (rl, !_route->soloed());
 476                                         }
 477                                 }
 478                         }
 479                 }
 480         }
 481
 482         return true;
 483 }
 484
 485 bool
 486 RouteUI::solo_release (GdkEventButton*)
 487 {
 488         if (!ignore_toggle) {
 489
 490                 if (_solo_release) {
 491
 492                         if (_solo_release->exclusive) {
 493
 494                         } else {
 495                                 if (Config->get_solo_control_is_listen_control()) {
 496                                         _session->set_listen (_solo_release->routes, _solo_release->active, Session::rt_cleanup, true);
 497                                 } else {
 498                                         _session->set_solo (_solo_release->routes, _solo_release->active, Session::rt_cleanup, true);
 499                                 }
 500                         }
 501
 502                         delete _solo_release;
 503                         _solo_release = 0;
 504                 }
 505         }
 506
 507         return true;
 508 }
 509
 510 bool
 511 RouteUI::rec_enable_press(GdkEventButton* ev)
 512 {
 513         if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
 514                 return true;
 515         }
 516
 517         if (!_session->engine().connected()) {
 518                 MessageDialog msg (_("Not connected to JACK - cannot engage record"));
 519                 msg.run ();
 520                 return true;
 521         }
 522
 523         if (!ignore_toggle && is_track() && rec_enable_button) {
 524
 525                 if (Keyboard::is_button2_event (ev)) {
 526
 527                         // do nothing on midi sigc::bind event
 528                         return rec_enable_button->on_button_press_event (ev);
 529
 530                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
 531
 532                         _session->set_record_enable (_session->get_routes(), !rec_enable_button->get_active());
 533
 534                 } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 535
 536                         /* Primary-button1 applies change to the route group (even if it is not active)
 537                            NOTE: Primary-button2 is MIDI learn.
 538                         */
 539                         if (ev->button == 1 && _route->route_group()) {
 540                                 _session->set_record_enable (_route->route_group()->route_list(), !rec_enable_button->get_active(), Session::rt_cleanup, true);
 541                         }
 542
 543                 } else if (Keyboard::is_context_menu_event (ev)) {
 544
 545                         /* do this on release */
 546
 547                 } else {
 548
 549                         boost::shared_ptr<RouteList> rl (new RouteList);
 550                         rl->push_back (route());
 551                         _session->set_record_enable (rl, !rec_enable_button->get_active());
 552                 }
 553         }
 554
 555         return true;
 556 }
 557
 558 bool
 559 RouteUI::rec_enable_release (GdkEventButton*)
 560 {
 561         return true;
 562 }
 563
 564 void
 565 RouteUI::build_sends_menu ()
 566 {
 567         using namespace Menu_Helpers;
 568
 569         sends_menu = new Menu;
 570         sends_menu->set_name ("ArdourContextMenu");
 571         MenuList& items = sends_menu->items();
 572
 573         items.push_back (MenuElem(_("Assign all tracks (prefader)"), sigc::bind (sigc::mem_fun (*this, &RouteUI::create_sends), PreFader)));
 574         items.push_back (MenuElem(_("Assign all tracks (postfader)"), sigc::bind (sigc::mem_fun (*this, &RouteUI::create_sends), PostFader)));
 575         items.push_back (MenuElem(_("Assign selected tracks (prefader)"), sigc::bind (sigc::mem_fun (*this, &RouteUI::create_selected_sends), PreFader)));
 576         items.push_back (MenuElem(_("Assign selected tracks (postfader)"), sigc::bind (sigc::mem_fun (*this, &RouteUI::create_selected_sends), PostFader)));
 577         items.push_back (MenuElem(_("Copy track gains to sends"), sigc::mem_fun (*this, &RouteUI::set_sends_gain_from_track)));
 578         items.push_back (MenuElem(_("Set sends gain to -inf"), sigc::mem_fun (*this, &RouteUI::set_sends_gain_to_zero)));
 579         items.push_back (MenuElem(_("Set sends gain to 0dB"), sigc::mem_fun (*this, &RouteUI::set_sends_gain_to_unity)));
 580
 581 }
 582
 583 void
 584 RouteUI::create_sends (Placement p)
 585 {
 586         _session->globally_add_internal_sends (_route, p);
 587 }
 588
 589 void
 590 RouteUI::create_selected_sends (Placement p)
 591 {
 592         boost::shared_ptr<RouteList> rlist (new RouteList);
 593         TrackSelection& selected_tracks (ARDOUR_UI::instance()->the_editor().get_selection().tracks);
 594
 595         for (TrackSelection::iterator i = selected_tracks.begin(); i != selected_tracks.end(); ++i) {
 596                 RouteTimeAxisView* rtv;
 597                 RouteUI* rui;
 598                 if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 599                         if ((rui = dynamic_cast<RouteUI*>(rtv)) != 0) {
 600                                 if (boost::dynamic_pointer_cast<AudioTrack>(rui->route())) {
 601                                         rlist->push_back (rui->route());
 602                                 }
 603                         }
 604                 }
 605         }
 606
 607         _session->add_internal_sends (_route, p, rlist);
 608 }
 609
 610 void
 611 RouteUI::set_sends_gain_from_track ()
 612 {
 613         _session->globally_set_send_gains_from_track (_route);
 614 }
 615
 616 void
 617 RouteUI::set_sends_gain_to_zero ()
 618 {
 619         _session->globally_set_send_gains_to_zero (_route);
 620 }
 621
 622 void
 623 RouteUI::set_sends_gain_to_unity ()
 624 {
 625         _session->globally_set_send_gains_to_unity (_route);
 626 }
 627
 628 bool
 629 RouteUI::show_sends_press(GdkEventButton* ev)
 630 {
 631         if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
 632                 return true;
 633         }
 634
 635         if (!ignore_toggle && !is_track() && show_sends_button) {
 636
 637                 if (Keyboard::is_button2_event (ev) && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 638
 639                         // do nothing on midi sigc::bind event
 640                         return false;
 641
 642                 } else if (Keyboard::is_context_menu_event (ev)) {
 643
 644                         if (sends_menu == 0) {
 645                                 build_sends_menu ();
 646                         }
 647
 648                         sends_menu->popup (0, ev->time);
 649
 650                 } else {
 651
 652                         /* change button state */
 653
 654                         show_sends_button->set_active (!show_sends_button->get_active());
 655
 656                         /* start blinking */
 657
 658                         if (show_sends_button->get_active()) {
 659                                 /* show sends to this bus */
 660                                 MixerStrip::SwitchIO (_route);
 661                                 send_blink_connection = ARDOUR_UI::instance()->Blink.connect (sigc::mem_fun(*this, &RouteUI::send_blink));
 662                         } else {
 663                                 /* everybody back to normal */
 664                                 send_blink_connection.disconnect ();
 665                                 MixerStrip::SwitchIO (boost::shared_ptr<Route>());
 666                         }
 667
 668                 }
 669         }
 670
 671         return true;
 672 }
 673
 674 bool
 675 RouteUI::show_sends_release (GdkEventButton*)
 676 {
 677         return true;
 678 }
 679
 680 void
 681 RouteUI::send_blink (bool onoff)
 682 {
 683         if (!show_sends_button) {
 684                 return;
 685         }
 686
 687         if (onoff) {
 688                 show_sends_button->set_state (STATE_ACTIVE);
 689         } else {
 690                 show_sends_button->set_state (STATE_NORMAL);
 691         }
 692 }
 693
 694 void
 695 RouteUI::solo_changed(void* /*src*/)
 696 {
 697         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&RouteUI::update_solo_display, this));
 698 }
 699
 700
 701 void
 702 RouteUI::listen_changed(void* /*src*/)
 703 {
 704         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&RouteUI::update_solo_display, this));
 705 }
 706
 707 int
 708 RouteUI::solo_visual_state (boost::shared_ptr<Route> r)
 709 {
 710         if (r->is_master() || r->is_monitor()) {
 711                 return 0;
 712         }
 713
 714         if (Config->get_solo_control_is_listen_control()) {
 715
 716                 if (r->listening()) {
 717                         return 1;
 718                 } else {
 719                         return 0;
 720                 }
 721
 722         }
 723
 724         if (r->soloed()) {
 725                 return 1;
 726         } else {
 727                 return 0;
 728         }
 729 }
 730
 731 int
 732 RouteUI::solo_visual_state_with_isolate (boost::shared_ptr<Route> r)
 733 {
 734         if (r->is_master() || r->is_monitor()) {
 735                 return 0;
 736         }
 737
 738         if (Config->get_solo_control_is_listen_control()) {
 739
 740                 if (r->listening()) {
 741                         return 1;
 742                 } else {
 743                         return 0;
 744                 }
 745
 746         }
 747
 748         if (r->solo_isolated()) {
 749                 return 2;
 750         } else if (r->soloed()) {
 751                 if (!r->self_soloed()) {
 752                         return 3;
 753                 } else {
 754                         return 1;
 755                 }
 756         } else {
 757                 return 0;
 758         }
 759 }
 760
 761 int
 762 RouteUI::solo_isolate_visual_state (boost::shared_ptr<Route> r)
 763 {
 764         if (r->is_master() || r->is_monitor()) {
 765                 return 0;
 766         }
 767
 768         if (r->solo_isolated()) {
 769                 return 1;
 770         } else {
 771                 return 0;
 772         }
 773 }
 774
 775 int
 776 RouteUI::solo_safe_visual_state (boost::shared_ptr<Route> r)
 777 {
 778         if (r->is_master() || r->is_monitor()) {
 779                 return 0;
 780         }
 781
 782         if (r->solo_safe()) {
 783                 return 1;
 784         } else {
 785                 return 0;
 786         }
 787 }
 788
 789 void
 790 RouteUI::update_solo_display ()
 791 {
 792         bool x;
 793
 794         if (Config->get_solo_control_is_listen_control()) {
 795
 796                 if (solo_button->get_active() != (x = _route->listening())) {
 797                         ignore_toggle = true;
 798                         solo_button->set_active(x);
 799                         ignore_toggle = false;
 800                 }
 801
 802         } else {
 803
 804                 if (solo_button->get_active() != (x = _route->soloed())) {
 805                         ignore_toggle = true;
 806                         solo_button->set_active (x);
 807                         ignore_toggle = false;
 808                 }
 809
 810         }
 811
 812         bool yn = _route->solo_safe ();
 813
 814         if (solo_safe_check && solo_safe_check->get_active() != yn) {
 815                 solo_safe_check->set_active (yn);
 816         }
 817
 818         yn = _route->solo_isolated ();
 819
 820         if (solo_isolated_check && solo_isolated_check->get_active() != yn) {
 821                 solo_isolated_check->set_active (yn);
 822         }
 823
 824         set_button_names ();
 825
 826         solo_button->set_visual_state (solo_visual_state_with_isolate (_route));
 827 }
 828
 829 void
 830 RouteUI::solo_changed_so_update_mute ()
 831 {
 832         update_mute_display ();
 833 }
 834
 835 void
 836 RouteUI::mute_changed(void* /*src*/)
 837 {
 838         update_mute_display ();
 839 }
 840
 841 int
 842 RouteUI::mute_visual_state (Session* s, boost::shared_ptr<Route> r)
 843 {
 844         if (r->is_master() || r->is_monitor()) {
 845                 return 0;
 846         }
 847
 848         if (Config->get_show_solo_mutes()) {
 849
 850                 if (r->muted ()) {
 851                         /* full mute */
 852                         return 2;
 853                 } else if (s->soloing() && !r->soloed() && !r->solo_isolated()) {
 854                         /* mute-because-not-soloed */
 855                         return 1;
 856                 } else {
 857                         /* no mute at all */
 858                         return 0;
 859                 }
 860
 861         } else {
 862
 863                 if (r->muted()) {
 864                         /* full mute */
 865                         return 2;
 866                 } else {
 867                         /* no mute at all */
 868                         return 0;
 869                 }
 870         }
 871
 872         return 0;
 873 }
 874
 875 void
 876 RouteUI::update_mute_display ()
 877 {
 878         if (!_route) {
 879                 return;
 880         }
 881
 882         bool model = _route->muted();
 883         bool view = mute_button->get_active();
 884
 885         /* first make sure the button's "depressed" visual
 886            is correct.
 887         */
 888
 889         if (model != view) {
 890                 ignore_toggle = true;
 891                 mute_button->set_active (model);
 892                 ignore_toggle = false;
 893         }
 894
 895         mute_button->set_visual_state (mute_visual_state (_session, _route));
 896 }
 897
 898 void
 899 RouteUI::route_rec_enable_changed ()
 900 {
 901         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&RouteUI::update_rec_display, this));
 902 }
 903
 904 void
 905 RouteUI::session_rec_enable_changed ()
 906 {
 907         update_rec_display ();
 908 }
 909
 910 void
 911 RouteUI::update_rec_display ()
 912 {
 913         if (!rec_enable_button || !_route) {
 914                 return;
 915         }
 916
 917         bool model = _route->record_enabled();
 918         bool view = rec_enable_button->get_active();
 919
 920         /* first make sure the button's "depressed" visual
 921            is correct.
 922         */
 923
 924         if (model != view) {
 925                 ignore_toggle = true;
 926                 rec_enable_button->set_active (model);
 927                 ignore_toggle = false;
 928         }
 929
 930         /* now make sure its color state is correct */
 931
 932         if (model) {
 933
 934                 switch (_session->record_status ()) {
 935                 case Session::Recording:
 936                         rec_enable_button->set_visual_state (1);
 937                         break;
 938
 939                 case Session::Disabled:
 940                 case Session::Enabled:
 941                         rec_enable_button->set_visual_state (2);
 942                         break;
 943
 944                 }
 945
 946         } else {
 947                 rec_enable_button->set_visual_state (0);
 948         }
 949
 950         check_rec_enable_sensitivity ();
 951 }
 952
 953 void
 954 RouteUI::build_solo_menu (void)
 955 {
 956         using namespace Menu_Helpers;
 957
 958         solo_menu = new Menu;
 959         solo_menu->set_name ("ArdourContextMenu");
 960         MenuList& items = solo_menu->items();
 961         CheckMenuItem* check;
 962
 963         check = new CheckMenuItem(_("Solo Isolate"));
 964         check->set_active (_route->solo_isolated());
 965         check->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_solo_isolated), check));
 966         items.push_back (CheckMenuElem(*check));
 967         solo_isolated_check = dynamic_cast<CheckMenuItem*>(&items.back());
 968         check->show_all();
 969
 970         check = new CheckMenuItem(_("Solo Safe"));
 971         check->set_active (_route->solo_safe());
 972         check->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_solo_safe), check));
 973         items.push_back (CheckMenuElem(*check));
 974         solo_safe_check = dynamic_cast<CheckMenuItem*>(&items.back());
 975         check->show_all();
 976
 977         //items.push_back (SeparatorElem());
 978         // items.push_back (MenuElem (_("MIDI Bind"), sigc::mem_fun (*mute_button, &BindableToggleButton::midi_learn)));
 979
 980 }
 981
 982 void
 983 RouteUI::build_mute_menu(void)
 984 {
 985         using namespace Menu_Helpers;
 986
 987         mute_menu = new Menu;
 988         mute_menu->set_name ("ArdourContextMenu");
 989
 990         MenuList& items = mute_menu->items();
 991
 992         pre_fader_mute_check = manage (new CheckMenuItem(_("Pre Fader")));
 993         init_mute_menu(MuteMaster::PreFader, pre_fader_mute_check);
 994         pre_fader_mute_check->signal_toggled().connect(sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_mute_menu), MuteMaster::PreFader, pre_fader_mute_check));
 995         items.push_back (CheckMenuElem(*pre_fader_mute_check));
 996         pre_fader_mute_check->show_all();
 997
 998         post_fader_mute_check = manage (new CheckMenuItem(_("Post Fader")));
 999         init_mute_menu(MuteMaster::PostFader, post_fader_mute_check);
1000         post_fader_mute_check->signal_toggled().connect(sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_mute_menu), MuteMaster::PostFader, post_fader_mute_check));
1001         items.push_back (CheckMenuElem(*post_fader_mute_check));
1002         post_fader_mute_check->show_all();
1003
1004         listen_mute_check = manage (new CheckMenuItem(_("Control Outs")));
1005         init_mute_menu(MuteMaster::Listen, listen_mute_check);
1006         listen_mute_check->signal_toggled().connect(sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_mute_menu), MuteMaster::Listen, listen_mute_check));
1007         items.push_back (CheckMenuElem(*listen_mute_check));
1008         listen_mute_check->show_all();
1009
1010         main_mute_check = manage (new CheckMenuItem(_("Main Outs")));
1011         init_mute_menu(MuteMaster::Main, main_mute_check);
1012         main_mute_check->signal_toggled().connect(sigc::bind (sigc::mem_fun (*this, &RouteUI::toggle_mute_menu), MuteMaster::Main, main_mute_check));
1013         items.push_back (CheckMenuElem(*main_mute_check));
1014         main_mute_check->show_all();
1015
1016         //items.push_back (SeparatorElem());
1017         // items.push_back (MenuElem (_("MIDI Bind"), sigc::mem_fun (*mute_button, &BindableToggleButton::midi_learn)));
1018
1019         _route->mute_points_changed.connect (route_connections, invalidator (*this), boost::bind (&RouteUI::muting_change, this), gui_context());
1020 }
1021
1022 void
1023 RouteUI::init_mute_menu(MuteMaster::MutePoint mp, CheckMenuItem* check)
1024 {
1025         check->set_active (_route->mute_points() & mp);
1026 }
1027
1028 void
1029 RouteUI::toggle_mute_menu(MuteMaster::MutePoint mp, Gtk::CheckMenuItem* check)
1030 {
1031         if (check->get_active()) {
1032                 _route->set_mute_points (MuteMaster::MutePoint (_route->mute_points() | mp));
1033         } else {
1034                 _route->set_mute_points (MuteMaster::MutePoint (_route->mute_points() & ~mp));
1035         }
1036 }
1037
1038 void
1039 RouteUI::muting_change ()
1040 {
1041         ENSURE_GUI_THREAD (*this, &RouteUI::muting_change)
1042
1043         bool yn;
1044         MuteMaster::MutePoint current = _route->mute_points ();
1045
1046         yn = (current & MuteMaster::PreFader);
1047
1048         if (pre_fader_mute_check->get_active() != yn) {
1049                 pre_fader_mute_check->set_active (yn);
1050         }
1051
1052         yn = (current & MuteMaster::PostFader);
1053
1054         if (post_fader_mute_check->get_active() != yn) {
1055                 post_fader_mute_check->set_active (yn);
1056         }
1057
1058         yn = (current & MuteMaster::Listen);
1059
1060         if (listen_mute_check->get_active() != yn) {
1061                 listen_mute_check->set_active (yn);
1062         }
1063
1064         yn = (current & MuteMaster::Main);
1065
1066         if (main_mute_check->get_active() != yn) {
1067                 main_mute_check->set_active (yn);
1068         }
1069 }
1070
1071 void
1072 RouteUI::toggle_solo_isolated (Gtk::CheckMenuItem* check)
1073 {
1074         _route->set_solo_isolated (check->get_active(), this);
1075 }
1076
1077 void
1078 RouteUI::toggle_solo_safe (Gtk::CheckMenuItem* check)
1079 {
1080         _route->set_solo_safe (check->get_active(), this);
1081 }
1082
1083 bool
1084 RouteUI::choose_color()
1085 {
1086         bool picked;
1087         Gdk::Color color;
1088
1089         color = Gtkmm2ext::UI::instance()->get_color (_("ardour: color selection"), picked, &_color);
1090
1091         if (picked) {
1092                 set_color (color);
1093         }
1094
1095         return picked;
1096 }
1097
1098 void
1099 RouteUI::set_color (const Gdk::Color & c)
1100 {
1101         char buf[64];
1102
1103         _color = c;
1104
1105         ensure_xml_node ();
1106         snprintf (buf, sizeof (buf), "%d:%d:%d", c.get_red(), c.get_green(), c.get_blue());
1107         xml_node->add_property ("color", buf);
1108
1109         _route->gui_changed ("color", (void *) 0); /* EMIT_SIGNAL */
1110 }
1111
1112
1113 void
1114 RouteUI::ensure_xml_node ()
1115 {
1116         if (xml_node == 0) {
1117                 if ((xml_node = _route->extra_xml ("GUI")) == 0) {
1118                         xml_node = new XMLNode ("GUI");
1119                         _route->add_extra_xml (*xml_node);
1120                 }
1121         }
1122 }
1123
1124 XMLNode*
1125 RouteUI::get_automation_child_xml_node (Evoral::Parameter param)
1126 {
1127         ensure_xml_node ();
1128
1129         XMLNodeList kids = xml_node->children();
1130         XMLNodeConstIterator iter;
1131
1132         const string sym = ARDOUR::EventTypeMap::instance().to_symbol(param);
1133
1134         for (iter = kids.begin(); iter != kids.end(); ++iter) {
1135                 if ((*iter)->name() == AutomationTimeAxisView::state_node_name) {
1136                         XMLProperty* type = (*iter)->property("automation-id");
1137                         if (type && type->value() == sym)
1138                                 return *iter;
1139                 }
1140         }
1141
1142         // Didn't find it, make a new one
1143         XMLNode* child = new XMLNode (AutomationTimeAxisView::state_node_name);
1144         child->add_property("automation-id", sym);
1145         xml_node->add_child_nocopy (*child);
1146
1147         return child;
1148 }
1149
1150 int
1151 RouteUI::set_color_from_route ()
1152 {
1153         XMLProperty *prop;
1154
1155         RouteUI::ensure_xml_node ();
1156
1157         if ((prop = xml_node->property ("color")) != 0) {
1158                 int r, g, b;
1159                 sscanf (prop->value().c_str(), "%d:%d:%d", &r, &g, &b);
1160                 _color.set_red(r);
1161                 _color.set_green(g);
1162                 _color.set_blue(b);
1163                 return 0;
1164         }
1165         return 1;
1166 }
1167
1168 void
1169 RouteUI::remove_this_route ()
1170 {
1171         vector<string> choices;
1172         string prompt;
1173
1174         if (is_track()) {
1175                 prompt  = string_compose (_("Do you really want to remove track \"%1\" ?\n\nYou may also lose the playlist used by this track.\n(this cannot be undone)"), _route->name());
1176         } else {
1177                 prompt  = string_compose (_("Do you really want to remove bus \"%1\" ?\n(this cannot be undone)"), _route->name());
1178         }
1179
1180         choices.push_back (_("No, do nothing."));
1181         choices.push_back (_("Yes, remove it."));
1182
1183         string title;
1184         if (is_track()) {
1185                 title = _("Remove track");
1186         } else {
1187                 title = _("Remove bus");
1188         }
1189
1190         Choice prompter (title, prompt, choices);
1191
1192         if (prompter.run () == 1) {
1193                 Glib::signal_idle().connect (sigc::bind (sigc::ptr_fun (&RouteUI::idle_remove_this_route), this));
1194         }
1195 }
1196
1197 gint
1198 RouteUI::idle_remove_this_route (RouteUI *rui)
1199 {
1200         rui->_session->remove_route (rui->_route);
1201         return false;
1202 }
1203
1204 void
1205 RouteUI::route_rename ()
1206 {
1207         ArdourPrompter name_prompter (true);
1208         string result;
1209         name_prompter.set_prompt (_("New Name: "));
1210         name_prompter.set_initial_text (_route->name());
1211         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1212         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1213         name_prompter.show_all ();
1214
1215         switch (name_prompter.run ()) {
1216
1217         case Gtk::RESPONSE_ACCEPT:
1218         name_prompter.get_result (result);
1219         if (result.length()) {
1220                         _route->set_name (result);
1221                 }
1222                 break;
1223         }
1224
1225         return;
1226
1227 }
1228
1229 void
1230 RouteUI::property_changed (const PropertyChange& what_changed)
1231 {
1232         if (what_changed.contains (ARDOUR::Properties::name)) {
1233                 name_label.set_text (_route->name());
1234         }
1235 }
1236
1237 void
1238 RouteUI::toggle_route_active ()
1239 {
1240         bool yn;
1241
1242         if (route_active_menu_item) {
1243                 if (route_active_menu_item->get_active() != (yn = _route->active())) {
1244                         _route->set_active (!yn);
1245                 }
1246         }
1247 }
1248
1249 void
1250 RouteUI::route_active_changed ()
1251 {
1252         if (route_active_menu_item) {
1253                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&CheckMenuItem::set_active, route_active_menu_item, _route->active()));
1254         }
1255 }
1256
1257
1258 void
1259 RouteUI::toggle_denormal_protection ()
1260 {
1261         if (denormal_menu_item) {
1262
1263                 bool x;
1264
1265                 ENSURE_GUI_THREAD (*this, &RouteUI::toggle_denormal_protection)
1266
1267                 if ((x = denormal_menu_item->get_active()) != _route->denormal_protection()) {
1268                         _route->set_denormal_protection (x);
1269                 }
1270         }
1271 }
1272
1273 void
1274 RouteUI::denormal_protection_changed ()
1275 {
1276         if (denormal_menu_item) {
1277                 denormal_menu_item->set_active (_route->denormal_protection());
1278         }
1279 }
1280
1281 void
1282 RouteUI::disconnect_input ()
1283 {
1284         _route->input()->disconnect (this);
1285 }
1286
1287 void
1288 RouteUI::disconnect_output ()
1289 {
1290         _route->output()->disconnect (this);
1291 }
1292
1293 bool
1294 RouteUI::is_track () const
1295 {
1296         return boost::dynamic_pointer_cast<Track>(_route) != 0;
1297 }
1298
1299 boost::shared_ptr<Track>
1300 RouteUI::track() const
1301 {
1302         return boost::dynamic_pointer_cast<Track>(_route);
1303 }
1304
1305 bool
1306 RouteUI::is_audio_track () const
1307 {
1308         return boost::dynamic_pointer_cast<AudioTrack>(_route) != 0;
1309 }
1310
1311 boost::shared_ptr<AudioTrack>
1312 RouteUI::audio_track() const
1313 {
1314         return boost::dynamic_pointer_cast<AudioTrack>(_route);
1315 }
1316
1317 bool
1318 RouteUI::is_midi_track () const
1319 {
1320         return boost::dynamic_pointer_cast<MidiTrack>(_route) != 0;
1321 }
1322
1323 boost::shared_ptr<MidiTrack>
1324 RouteUI::midi_track() const
1325 {
1326         return boost::dynamic_pointer_cast<MidiTrack>(_route);
1327 }
1328
1329 string
1330 RouteUI::name() const
1331 {
1332         return _route->name();
1333 }
1334
1335 void
1336 RouteUI::map_frozen ()
1337 {
1338         ENSURE_GUI_THREAD (*this, &RouteUI::map_frozen)
1339
1340         AudioTrack* at = dynamic_cast<AudioTrack*>(_route.get());
1341
1342         if (at) {
1343                 switch (at->freeze_state()) {
1344                 case AudioTrack::Frozen:
1345                         rec_enable_button->set_sensitive (false);
1346                         break;
1347                 default:
1348                         rec_enable_button->set_sensitive (true);
1349                         break;
1350                 }
1351         }
1352 }
1353
1354 void
1355 RouteUI::adjust_latency ()
1356 {
1357         LatencyDialog dialog (_route->name() + _(" latency"), *(_route->output()), _session->frame_rate(), _session->engine().frames_per_cycle());
1358 }
1359
1360 void
1361 RouteUI::save_as_template ()
1362 {
1363         sys::path path;
1364         Glib::ustring safe_name;
1365         string name;
1366
1367         path = ARDOUR::user_route_template_directory ();
1368
1369         if (g_mkdir_with_parents (path.to_string().c_str(), 0755)) {
1370                 error << string_compose (_("Cannot create route template directory %1"), path.to_string()) << endmsg;
1371                 return;
1372         }
1373
1374         Prompter p (true); // modal
1375
1376         p.set_prompt (_("Template name:"));
1377         switch (p.run()) {
1378         case RESPONSE_ACCEPT:
1379                 break;
1380         default:
1381                 return;
1382         }
1383
1384         p.hide ();
1385         p.get_result (name, true);
1386
1387         safe_name = legalize_for_path (name);
1388         safe_name += template_suffix;
1389
1390         path /= safe_name;
1391
1392         _route->save_as_template (path.to_string(), name);
1393 }
1394
1395 void
1396 RouteUI::check_rec_enable_sensitivity ()
1397 {
1398         if (_session->transport_rolling() && rec_enable_button->get_active() && Config->get_disable_disarm_during_roll()) {
1399                 rec_enable_button->set_sensitive (false);
1400         } else {
1401                 rec_enable_button->set_sensitive (true);
1402         }
1403 }
1404
1405 void
1406 RouteUI::parameter_changed (string const & p)
1407 {
1408         if (p == "disable-disarm-during-roll") {
1409                 check_rec_enable_sensitivity ();
1410         } else if (p == "solo-control-is-listen-control") {
1411                 set_button_names ();
1412         } else if (p == "listen-position") {
1413                 set_button_names ();
1414         }
1415 }
1416
1417 void
1418 RouteUI::step_gain_up ()
1419 {
1420         _route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) + 0.1), this);
1421 }
1422
1423 void
1424 RouteUI::page_gain_up ()
1425 {
1426         _route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) + 0.5), this);
1427 }
1428
1429 void
1430 RouteUI::step_gain_down ()
1431 {
1432         _route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) - 0.1), this);
1433 }
1434
1435 void
1436 RouteUI::page_gain_down ()
1437 {
1438         _route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) - 0.5), this);
1439 }
1440
1441 void
1442 RouteUI::open_remote_control_id_dialog ()
1443 {
1444         ArdourDialog dialog (_("Remote Control ID"));
1445
1446         uint32_t const limit = _session->ntracks() + _session->nbusses () + 4;
1447
1448         HBox* hbox = manage (new HBox);
1449         hbox->set_spacing (6);
1450         hbox->pack_start (*manage (new Label (_("Remote control ID:"))));
1451         SpinButton* spin = manage (new SpinButton);
1452         spin->set_digits (0);
1453         spin->set_increments (1, 10);
1454         spin->set_range (0, limit);
1455         spin->set_value (_route->remote_control_id());
1456         hbox->pack_start (*spin);
1457         dialog.get_vbox()->pack_start (*hbox);
1458
1459         dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
1460         dialog.add_button (Stock::APPLY, RESPONSE_ACCEPT);
1461
1462         dialog.show_all ();
1463         int const r = dialog.run ();
1464
1465         if (r == RESPONSE_ACCEPT) {
1466                 _route->set_remote_control_id (spin->get_value_as_int ());
1467         }
1468 }