gtk2_ardour/transport_masters_dialog.cc

   1 /*
   2  * Copyright (C) 2018-2019 Paul Davis <paul@linuxaudiosystems.com>
   3  * Copyright (C) 2018-2019 Robin Gareus <robin@gareus.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 #include <gtkmm/stock.h>
  20
  21 #include "pbd/enumwriter.h"
  22 #include "pbd/i18n.h"
  23
  24 #include "temporal/time.h"
  25
  26 #include "ardour/audioengine.h"
  27 #include "ardour/session.h"
  28 #include "ardour/transport_master.h"
  29 #include "ardour/transport_master_manager.h"
  30
  31 #include "widgets/tooltips.h"
  32
  33 #include "gtkmm2ext/utils.h"
  34 #include "gtkmm2ext/gui_thread.h"
  35
  36 #include "ardour_ui.h"
  37 #include "floating_text_entry.h"
  38 #include "transport_masters_dialog.h"
  39
  40
  41 using namespace std;
  42 using namespace Gtk;
  43 using namespace Gtkmm2ext;
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace ArdourWidgets;
  47
  48 TransportMastersWidget::TransportMastersWidget ()
  49         : table (4, 13)
  50         , add_button (_("Add a new Transport Master"))
  51 {
  52         pack_start (table, PACK_EXPAND_WIDGET, 12);
  53         pack_start (add_button, FALSE, FALSE);
  54
  55         add_button.signal_clicked ().connect (sigc::mem_fun (*this, &TransportMastersWidget::add_master));
  56
  57         col_title[0].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Use")));
  58         col_title[1].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Name")));
  59         col_title[2].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Type")));
  60         col_title[3].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Format/\nBPM")));
  61         col_title[4].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Current")));
  62         col_title[5].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Last")));
  63         col_title[6].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Timestamp")));
  64         col_title[7].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Delta")));
  65         col_title[8].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Collect")));
  66         col_title[9].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Data Source")));
  67         col_title[10].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Active\nCommands")));
  68         col_title[11].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Clock\nSynced")));
  69         col_title[12].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("29.97/\n30")));
  70         col_title[13].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Remove")));
  71
  72         set_tooltip (col_title[12], _("<b>When enabled</b> the external timecode source is assumed to use 29.97 fps instead of 30000/1001.\n"
  73                                       "SMPTE 12M-1999 specifies 29.97df as 30000/1001. The spec further mentions that "
  74                                       "drop-sample timecode has an accumulated error of -86ms over a 24-hour period.\n"
  75                                       "Drop-sample timecode would compensate exactly for a NTSC color frame rate of 30 * 0.9990 (ie 29.970000). "
  76                                       "That is not the actual rate. However, some vendors use that rate - despite it being against the specs - "
  77                                       "because the variant of using exactly 29.97 fps has zero timecode drift.\n"
  78                              ));
  79
  80         set_tooltip (col_title[11], string_compose (_("<b>When enabled</b> the external timecode source is assumed to be sample-clock synced to the audio interface\n"
  81                                                       "being used by %1."), PROGRAM_NAME));
  82
  83         table.set_spacings (6);
  84
  85         TransportMasterManager::instance().CurrentChanged.connect (current_connection, invalidator (*this), boost::bind (&TransportMastersWidget::current_changed, this, _1, _2), gui_context());
  86         TransportMasterManager::instance().Added.connect (add_connection, invalidator (*this), boost::bind (&TransportMastersWidget::rebuild, this), gui_context());
  87         TransportMasterManager::instance().Removed.connect (remove_connection, invalidator (*this), boost::bind (&TransportMastersWidget::rebuild, this), gui_context());
  88
  89         rebuild ();
  90 }
  91
  92 TransportMastersWidget::~TransportMastersWidget ()
  93 {
  94         for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
  95                 delete *r;
  96         }
  97 }
  98
  99 void
 100 TransportMastersWidget::set_transport_master (boost::shared_ptr<TransportMaster> tm)
 101 {
 102         _session->request_sync_source (tm);
 103 }
 104
 105 void
 106 TransportMastersWidget::current_changed (boost::shared_ptr<TransportMaster> old_master, boost::shared_ptr<TransportMaster> new_master)
 107 {
 108         for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
 109                 if ((*r)->tm == new_master) {
 110                         (*r)->use_button.set_active (true);
 111                         break; /* there can only be one */
 112                 }
 113         }
 114 }
 115
 116 void
 117 TransportMastersWidget::add_master ()
 118 {
 119         AddTransportMasterDialog d;
 120
 121         d.present ();
 122         string name;
 123
 124         while (name.empty()) {
 125
 126                 int r = d.run ();
 127
 128                 switch (r) {
 129                 case RESPONSE_ACCEPT:
 130                         name = d.get_name();
 131                         break;
 132                 default:
 133                         return;
 134                 }
 135         }
 136
 137         d.hide ();
 138
 139         if (TransportMasterManager::instance().add (d.get_type(), name)) {
 140                 MessageDialog msg (_("New transport master not added - check error log for details"));
 141                 msg.run ();
 142         }
 143 }
 144
 145 void
 146 TransportMastersWidget::clear ()
 147 {
 148         container_clear (table);
 149
 150         for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
 151                 delete *r;
 152         }
 153
 154         rows.clear ();
 155 }
 156
 157 void
 158 TransportMastersWidget::rebuild ()
 159 {
 160         TransportMasterManager::TransportMasters const & masters (TransportMasterManager::instance().transport_masters());
 161
 162         clear ();
 163         table.resize (masters.size()+1, 14);
 164
 165         for (size_t col = 0; col < sizeof (col_title) / sizeof (col_title[0]); ++col) {
 166                 table.attach (col_title[col], col, col+1, 0, 1);
 167         }
 168
 169         uint32_t n = 1;
 170
 171         Gtk::RadioButtonGroup use_button_group;
 172
 173         for (TransportMasterManager::TransportMasters::const_iterator m = masters.begin(); m != masters.end(); ++m, ++n) {
 174
 175                 Row* r = new Row (*this);
 176                 rows.push_back (r);
 177
 178                 r->tm = *m;
 179                 r->label.set_text ((*m)->name());
 180                 r->type.set_text (enum_2_string  ((*m)->type()));
 181
 182                 r->use_button.set_group (use_button_group);
 183
 184                 if (TransportMasterManager::instance().current() == r->tm) {
 185                         r->use_button.set_active (true);
 186                 }
 187
 188                 int col = 0;
 189
 190                 r->label_box.add (r->label);
 191
 192                 table.attach (r->use_button, col, col+1, n, n+1); ++col;
 193                 table.attach (r->label_box, col, col+1, n, n+1); ++col;
 194                 table.attach (r->type, col, col+1, n, n+1); ++col;
 195                 table.attach (r->format, col, col+1, n, n+1); ++col;
 196                 table.attach (r->current, col, col+1, n, n+1); ++col;
 197                 table.attach (r->last, col, col+1, n, n+1); ++col;
 198                 table.attach (r->timestamp, col, col+1, n, n+1); ++col;
 199                 table.attach (r->delta, col, col+1, n, n+1); ++col;
 200                 table.attach (r->collect_button, col, col+1, n, n+1); ++col;
 201                 table.attach (r->port_combo, col, col+1, n, n+1); ++col;
 202                 table.attach (r->request_options, col, col+1, n, n+1); ++col;
 203
 204                 boost::shared_ptr<TimecodeTransportMaster> ttm (boost::dynamic_pointer_cast<TimecodeTransportMaster> (r->tm));
 205
 206                 if (ttm) {
 207                         table.attach (r->sclock_synced_button, col, col+1, n, n+1); ++col;
 208                         table.attach (r->fr2997_button, col, col+1, n, n+1); ++col;
 209                         r->fr2997_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::fr2997_button_toggled));
 210                 } else {
 211                         col += 2;
 212                 }
 213
 214                 if (r->tm->removeable()) {
 215                         table.attach (r->remove_button, col, col+1, n, n+1); ++col;
 216                 } else {
 217                         col++;
 218                 }
 219
 220                 table.show_all ();
 221
 222                 r->label_box.signal_button_press_event().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::name_press));
 223                 r->port_combo.signal_changed().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::port_choice_changed));
 224                 r->use_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::use_button_toggled));
 225                 r->collect_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::collect_button_toggled));
 226                 r->request_options.signal_button_press_event().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::request_option_press), false);
 227                 r->remove_button.signal_clicked().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::remove_clicked));
 228
 229                 if (ttm) {
 230                         r->sclock_synced_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::sync_button_toggled));
 231                 }
 232
 233                 r->tm->PropertyChanged.connect (r->property_change_connection, invalidator (*this), boost::bind (&TransportMastersWidget::Row::prop_change, r, _1), gui_context());
 234
 235                 PropertyChange all_change;
 236                 all_change.add (Properties::locked);
 237                 all_change.add (Properties::collect);
 238                 all_change.add (Properties::connected);
 239
 240                 if (ttm) {
 241                         all_change.add (Properties::fr2997);
 242                         all_change.add (Properties::sclock_synced);
 243                 }
 244
 245                 r->prop_change (all_change);
 246         }
 247 }
 248
 249 TransportMastersWidget::Row::Row (TransportMastersWidget& p)
 250         : parent (p)
 251         , request_option_menu (0)
 252         , remove_button (X_("x"))
 253         , name_editor (0)
 254         , save_when (0)
 255         , ignore_active_change (false)
 256 {
 257 }
 258
 259 TransportMastersWidget::Row::~Row ()
 260 {
 261         delete request_option_menu;
 262 }
 263
 264 bool
 265 TransportMastersWidget::Row::name_press (GdkEventButton* ev)
 266 {
 267         if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
 268                 Gtk::Window* toplevel = dynamic_cast<Gtk::Window*> (label.get_toplevel());
 269                 if (!toplevel) {
 270                         return false;
 271                 }
 272                 name_editor = new FloatingTextEntry (toplevel, tm->name());
 273                 name_editor->use_text.connect (sigc::mem_fun (*this, &TransportMastersWidget::Row::name_edited));
 274                 name_editor->show ();
 275                 return true;
 276         }
 277         return false;
 278 }
 279
 280 bool
 281 TransportMastersWidget::idle_remove (TransportMastersWidget::Row* row)
 282 {
 283         TransportMasterManager::instance().remove (row->tm->name());
 284         return false;
 285 }
 286
 287 void
 288 TransportMastersWidget::Row::remove_clicked ()
 289 {
 290         /* have to do this via an idle callback, because it will destroy the
 291            widget from which this callback was initiated.
 292         */
 293         Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (parent, &TransportMastersWidget::idle_remove), this));
 294 }
 295
 296 void
 297 TransportMastersWidget::Row::name_edited (string str, int ignored)
 298 {
 299         tm->set_name (str);
 300         /* floating text entry deletes itself */
 301         name_editor = 0;
 302 }
 303
 304 void
 305 TransportMastersWidget::Row::prop_change (PropertyChange what_changed)
 306 {
 307         if (what_changed.contains (Properties::locked)) {
 308         }
 309
 310         if (what_changed.contains (Properties::fr2997)) {
 311                 fr2997_button.set_active (boost::dynamic_pointer_cast<TimecodeTransportMaster> (tm)->fr2997());
 312         }
 313
 314         if (what_changed.contains (Properties::sclock_synced)) {
 315                 sclock_synced_button.set_active (boost::dynamic_pointer_cast<TimecodeTransportMaster> (tm)->sample_clock_synced());
 316         }
 317
 318         if (what_changed.contains (Properties::collect)) {
 319                 collect_button.set_active (tm->collect());
 320         }
 321
 322         if (what_changed.contains (Properties::connected)) {
 323                 populate_port_combo ();
 324         }
 325
 326         if (what_changed.contains (Properties::name)) {
 327                 label.set_text (tm->name());
 328         }
 329 }
 330
 331 void
 332 TransportMastersWidget::Row::use_button_toggled ()
 333 {
 334         if (use_button.get_active()) {
 335                 parent.set_transport_master (tm);
 336         }
 337 }
 338
 339 void
 340 TransportMastersWidget::Row::fr2997_button_toggled ()
 341 {
 342         boost::dynamic_pointer_cast<TimecodeTransportMaster>(tm)->set_fr2997 (fr2997_button.get_active());
 343 }
 344
 345 void
 346 TransportMastersWidget::Row::collect_button_toggled ()
 347 {
 348         tm->set_collect (collect_button.get_active());
 349 }
 350
 351 void
 352 TransportMastersWidget::Row::sync_button_toggled ()
 353 {
 354         tm->set_sample_clock_synced (sclock_synced_button.get_active());
 355 }
 356
 357 bool
 358 TransportMastersWidget::Row::request_option_press (GdkEventButton* ev)
 359 {
 360         if (ev->button == 1) {
 361                 if (!request_option_menu) {
 362                         build_request_options ();
 363                 }
 364                 request_option_menu->popup (1, ev->time);
 365                 return true;
 366         }
 367         return false;
 368 }
 369
 370 void
 371 TransportMastersWidget::Row::build_request_options ()
 372 {
 373         using namespace Gtk::Menu_Helpers;
 374
 375         request_option_menu = new Menu;
 376
 377         MenuList& items (request_option_menu->items());
 378
 379         items.push_back (CheckMenuElem (_("Accept speed-changing commands (start/stop)")));
 380         Gtk::CheckMenuItem* i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back ());
 381         i->set_active (tm->request_mask() & TR_Speed);
 382         items.push_back (CheckMenuElem (_("Accept locate commands")));
 383         i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back ());
 384         i->set_active (tm->request_mask() & TR_Locate);
 385 }
 386
 387 Glib::RefPtr<Gtk::ListStore>
 388 TransportMastersWidget::Row::build_port_list (vector<string> const & ports)
 389 {
 390         Glib::RefPtr<Gtk::ListStore> store = ListStore::create (port_columns);
 391         TreeModel::Row row;
 392
 393         row = *store->append ();
 394         row[port_columns.full_name] = string();
 395         row[port_columns.short_name] = _("Disconnected");
 396
 397         for (vector<string>::const_iterator p = ports.begin(); p != ports.end(); ++p) {
 398
 399                 if (AudioEngine::instance()->port_is_mine (*p)) {
 400                         continue;
 401                 }
 402
 403                 row = *store->append ();
 404                 row[port_columns.full_name] = *p;
 405
 406                 std::string pn = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*p);
 407                 if (pn.empty ()) {
 408                         pn = (*p).substr ((*p).find (':') + 1);
 409                 }
 410                 row[port_columns.short_name] = pn;
 411         }
 412
 413         return store;
 414 }
 415
 416 void
 417 TransportMastersWidget::Row::populate_port_combo ()
 418 {
 419         if (!tm->port()) {
 420                 port_combo.hide ();
 421                 return;
 422         } else {
 423                 port_combo.show ();
 424         }
 425
 426         vector<string> inputs;
 427
 428         if (tm->port()->type() == DataType::MIDI) {
 429                 ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::MIDI, ARDOUR::PortFlags (ARDOUR::IsOutput), inputs);
 430         } else {
 431                 ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::AUDIO, ARDOUR::PortFlags (ARDOUR::IsOutput), inputs);
 432         }
 433
 434         Glib::RefPtr<Gtk::ListStore> input = build_port_list (inputs);
 435         bool input_found = false;
 436         int n;
 437
 438         port_combo.set_model (input);
 439
 440         Gtk::TreeModel::Children children = input->children();
 441         Gtk::TreeModel::Children::iterator i;
 442         i = children.begin();
 443         ++i; /* skip "Disconnected" */
 444
 445
 446         for (n = 1;  i != children.end(); ++i, ++n) {
 447                 string port_name = (*i)[port_columns.full_name];
 448                 if (tm->port()->connected_to (port_name)) {
 449                         port_combo.set_active (n);
 450                         input_found = true;
 451                         break;
 452                 }
 453         }
 454
 455         if (!input_found) {
 456                 port_combo.set_active (0); /* disconnected */
 457         }
 458 }
 459
 460 void
 461 TransportMastersWidget::Row::port_choice_changed ()
 462 {
 463         if (ignore_active_change) {
 464                 return;
 465         }
 466
 467         TreeModel::iterator active = port_combo.get_active ();
 468         string new_port = (*active)[port_columns.full_name];
 469
 470         if (new_port.empty()) {
 471                 tm->port()->disconnect_all ();
 472                 return;
 473         }
 474
 475         if (!tm->port()->connected_to (new_port)) {
 476                 tm->port()->disconnect_all ();
 477                 tm->port()->connect (new_port);
 478         }
 479 }
 480
 481 void
 482 TransportMastersWidget::Row::update (Session* s, samplepos_t now)
 483 {
 484         using namespace Timecode;
 485
 486         samplepos_t pos;
 487         double speed;
 488         samplepos_t most_recent;
 489         samplepos_t when;
 490         stringstream ss;
 491         Time t;
 492         Time l;
 493         boost::shared_ptr<TimecodeTransportMaster> ttm;
 494         boost::shared_ptr<MIDIClock_TransportMaster> mtm;
 495
 496         if (!AudioEngine::instance()->running()) {
 497                 return;
 498         }
 499
 500         if (s) {
 501
 502                 if (tm->speed_and_position (speed, pos, most_recent, when, now)) {
 503
 504                         sample_to_timecode (pos, t, false, false, 25, false, AudioEngine::instance()->sample_rate(), 100, false, 0);
 505                         sample_to_timecode (most_recent, l, false, false, 25, false, AudioEngine::instance()->sample_rate(), 100, false, 0);
 506
 507                         if ((ttm = boost::dynamic_pointer_cast<TimecodeTransportMaster> (tm))) {
 508                                 format.set_text (timecode_format_name (ttm->apparent_timecode_format()));
 509                                 last.set_text (Timecode::timecode_format_time (l));
 510                         } else if ((mtm = boost::dynamic_pointer_cast<MIDIClock_TransportMaster> (tm))) {
 511                                 char buf[8];
 512                                 snprintf (buf, sizeof (buf), "%.1f", mtm->bpm());
 513                                 format.set_text (buf);
 514                                 last.set_text ("");
 515                         } else {
 516                                 format.set_text ("");
 517                                 last.set_text ("");
 518                         }
 519                         current.set_text (Timecode::timecode_format_time (t));
 520                         delta.set_markup (tm->delta_string ());
 521
 522                         char gap[32];
 523                         const float seconds = (when - now) / (float) AudioEngine::instance()->sample_rate();
 524                         if (abs (seconds) < 1.0) {
 525                                 snprintf (gap, sizeof (gap), "%.3fs", seconds);
 526                         } else if (abs (seconds) < 4.0) {
 527                                 snprintf (gap, sizeof (gap), "%ds", (int) floor (seconds));
 528                         } else {
 529                                 snprintf (gap, sizeof (gap), "%s", _(">4s ago"));
 530                         }
 531                         timestamp.set_text (gap);
 532                         save_when = when;
 533
 534                 } else {
 535
 536                         if (save_when) {
 537                                 char gap[32];
 538
 539                                 const float seconds = (when - now) / (float) AudioEngine::instance()->sample_rate();
 540                                 if (abs (seconds) < 1.0) {
 541                                         snprintf (gap, sizeof (gap), "%.3fs", seconds);
 542                                 } else if (abs (seconds) < 4.0) {
 543                                         snprintf (gap, sizeof (gap), "%ds", (int) floor (seconds));
 544                                 } else {
 545                                         snprintf (gap, sizeof (gap), "%s", _(">4s ago"));
 546                                 }
 547                                 timestamp.set_text (gap);
 548                                 save_when = when;
 549                         }
 550                         delta.set_text ("");
 551                         current.set_text ("");
 552                 }
 553         }
 554 }
 555
 556 void
 557 TransportMastersWidget::update (samplepos_t /* audible */)
 558 {
 559         samplepos_t now = AudioEngine::instance()->sample_time ();
 560
 561         for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
 562                 (*r)->update (_session, now);
 563         }
 564 }
 565
 566 void
 567 TransportMastersWidget::on_map ()
 568 {
 569         update_connection = ARDOUR_UI::Clock.connect (sigc::mem_fun (*this, &TransportMastersWidget::update));
 570         Gtk::VBox::on_map ();
 571 }
 572
 573 void
 574 TransportMastersWidget::on_unmap ()
 575 {
 576         update_connection.disconnect ();
 577         Gtk::VBox::on_unmap ();
 578 }
 579
 580 TransportMastersWindow::TransportMastersWindow ()
 581         : ArdourWindow (_("Transport Masters"))
 582 {
 583         add (w);
 584         w.show ();
 585 }
 586
 587 void
 588 TransportMastersWindow::on_realize ()
 589 {
 590         ArdourWindow::on_realize ();
 591         /* (try to) ensure that resizing is possible and the window can be moved (and closed) */
 592         get_window()->set_decorations (Gdk::DECOR_BORDER | Gdk::DECOR_RESIZEH | Gdk::DECOR_TITLE | Gdk::DECOR_MENU);
 593 }
 594
 595
 596
 597 void
 598 TransportMastersWindow::set_session (ARDOUR::Session* s)
 599 {
 600         ArdourWindow::set_session (s);
 601         w.set_session (s);
 602 }
 603
 604 TransportMastersWidget::AddTransportMasterDialog::AddTransportMasterDialog ()
 605         : ArdourDialog (_("Add Transport Master"), true, false)
 606         , name_label (_("Name"))
 607         , type_label (_("Type"))
 608 {
 609         name_hbox.set_spacing (6);
 610         name_hbox.pack_start (name_label, false, false);
 611         name_hbox.pack_start (name_entry, true, true);
 612
 613         type_hbox.set_spacing (6);
 614         type_hbox.pack_start (type_label, false, false);
 615         type_hbox.pack_start (type_combo, true, true);
 616
 617         vector<string> s;
 618
 619         s.push_back (X_("MTC"));
 620         s.push_back (X_("LTC"));
 621         s.push_back (X_("MIDI Clock"));
 622
 623         set_popdown_strings (type_combo, s);
 624         type_combo.set_active_text (X_("LTC"));
 625
 626         get_vbox()->pack_start (name_hbox, false, false);
 627         get_vbox()->pack_start (type_hbox, false, false);
 628
 629         add_button (_("Cancel"), RESPONSE_CANCEL);
 630         add_button (_("Add"), RESPONSE_ACCEPT);
 631
 632         name_entry.show ();
 633         type_combo.show ();
 634         name_label.show ();
 635         type_label.show ();
 636         name_hbox.show ();
 637         type_hbox.show ();
 638
 639         name_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &Gtk::Dialog::response), Gtk::RESPONSE_ACCEPT));
 640 }
 641
 642 string
 643 TransportMastersWidget::AddTransportMasterDialog::get_name () const
 644 {
 645         return name_entry.get_text ();
 646 }
 647
 648 SyncSource
 649 TransportMastersWidget::AddTransportMasterDialog::get_type() const
 650 {
 651         string t = type_combo.get_active_text ();
 652
 653         if (t == X_("MTC")) {
 654                 return MTC;
 655         } else if (t == X_("MIDI Clock")) {
 656                 return MIDIClock;
 657         }
 658
 659         return LTC;
 660 }