gtk2_ardour/ardour_ui_options.cc

   1 /*
   2     Copyright (C) 2005 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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include "pbd/convert.h"
  25 #include "pbd/stacktrace.h"
  26 #include "pbd/unwind.h"
  27
  28 #include "ardour/rc_configuration.h"
  29 #include "ardour/session.h"
  30
  31 #include "gtkmm2ext/utils.h"
  32 #include "waveview/wave_view.h"
  33
  34 #include "audio_clock.h"
  35 #include "ardour_ui.h"
  36 #include "actions.h"
  37 #include "gui_thread.h"
  38 #include "public_editor.h"
  39 #include "main_clock.h"
  40
  41 #include "pbd/i18n.h"
  42
  43 using namespace Gtk;
  44 using namespace Gtkmm2ext;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace ArdourWidgets;
  48
  49 void
  50 ARDOUR_UI::toggle_external_sync()
  51 {
  52         if (_session) {
  53                 if (_session->config.get_video_pullup() != 0.0f) {
  54                         if (Config->get_sync_source() == Engine) {
  55                                 MessageDialog msg (
  56                                         _("It is not possible to use JACK as the the sync source\n\
  57 when the pull up/down setting is non-zero."));
  58                                 msg.run ();
  59                                 return;
  60                         }
  61                 }
  62
  63                 ActionManager::toggle_config_state_foo ("Transport", "ToggleExternalSync", sigc::mem_fun (_session->config, &SessionConfiguration::set_external_sync), sigc::mem_fun (_session->config, &SessionConfiguration::get_external_sync));
  64
  65                 /* activating a slave is a session-property.
  66                  * The slave type is a RC property.
  67                  * When the slave is active is must not be reconfigured.
  68                  * This is a UI limitation, imposed by audio-clock and
  69                  * status displays which combine RC-config & session-properties.
  70                  *
  71                  * Notficy RCOptionEditor by emitting a signal if the active
  72                  * status changed:
  73                  */
  74                 Config->ParameterChanged("sync-source");
  75         }
  76 }
  77
  78 void
  79 ARDOUR_UI::toggle_time_master ()
  80 {
  81         ActionManager::toggle_config_state_foo ("Transport", "ToggleTimeMaster", sigc::mem_fun (_session->config, &SessionConfiguration::set_jack_time_master), sigc::mem_fun (_session->config, &SessionConfiguration::get_jack_time_master));
  82 }
  83
  84 void
  85 ARDOUR_UI::toggle_send_mtc ()
  86 {
  87         ActionManager::toggle_config_state ("Options", "SendMTC", &RCConfiguration::set_send_mtc, &RCConfiguration::get_send_mtc);
  88 }
  89
  90 void
  91 ARDOUR_UI::toggle_send_mmc ()
  92 {
  93         ActionManager::toggle_config_state ("Options", "SendMMC", &RCConfiguration::set_send_mmc, &RCConfiguration::get_send_mmc);
  94 }
  95
  96 void
  97 ARDOUR_UI::toggle_send_midi_clock ()
  98 {
  99         ActionManager::toggle_config_state ("Options", "SendMidiClock", &RCConfiguration::set_send_midi_clock, &RCConfiguration::get_send_midi_clock);
 100 }
 101
 102 void
 103 ARDOUR_UI::toggle_use_mmc ()
 104 {
 105         ActionManager::toggle_config_state ("Options", "UseMMC", &RCConfiguration::set_mmc_control, &RCConfiguration::get_mmc_control);
 106 }
 107
 108 void
 109 ARDOUR_UI::toggle_auto_input ()
 110 {
 111         ActionManager::toggle_config_state_foo ("Transport", "ToggleAutoInput", sigc::mem_fun (_session->config, &SessionConfiguration::set_auto_input), sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_input));
 112 }
 113
 114 void
 115 ARDOUR_UI::toggle_auto_play ()
 116 {
 117         ActionManager::toggle_config_state_foo ("Transport", "ToggleAutoPlay", sigc::mem_fun (_session->config, &SessionConfiguration::set_auto_play), sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_play));
 118 }
 119
 120 void
 121 ARDOUR_UI::toggle_auto_return ()
 122 {
 123         ActionManager::toggle_config_state_foo ("Transport", "ToggleAutoReturn", sigc::mem_fun (_session->config, &SessionConfiguration::set_auto_return), sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_return));
 124 }
 125
 126 void
 127 ARDOUR_UI::toggle_click ()
 128 {
 129         ActionManager::toggle_config_state ("Transport", "ToggleClick", &RCConfiguration::set_clicking, &RCConfiguration::get_clicking);
 130 }
 131
 132 void
 133 ARDOUR_UI::toggle_session_monitoring_in ()
 134 {
 135         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
 136         if (!act) {
 137                 return;
 138         }
 139         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 140         if (!tact) {
 141                 return;
 142         }
 143
 144         if (tact->get_active() && _session->config.get_session_monitoring () == MonitorInput) {
 145                 return;
 146         }
 147         if (!tact->get_active() && _session->config.get_session_monitoring () != MonitorInput) {
 148                 return;
 149         }
 150
 151         if (tact->get_active()) {
 152                 _session->config.set_session_monitoring (MonitorInput);
 153         } else {
 154                 _session->config.set_session_monitoring (MonitorAuto);
 155         }
 156 }
 157
 158 void
 159 ARDOUR_UI::toggle_session_monitoring_disk ()
 160 {
 161         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
 162         if (!act) {
 163                 return;
 164         }
 165         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 166         if (!tact) {
 167                 return;
 168         }
 169         if (tact->get_active() && _session->config.get_session_monitoring () == MonitorDisk) {
 170                 return;
 171         }
 172         if (!tact->get_active() && _session->config.get_session_monitoring () != MonitorDisk) {
 173                 return;
 174         }
 175
 176         if (tact->get_active()) {
 177                 _session->config.set_session_monitoring (MonitorDisk);
 178         } else {
 179                 _session->config.set_session_monitoring (MonitorAuto);
 180         }
 181 }
 182
 183 void
 184 ARDOUR_UI::unset_dual_punch ()
 185 {
 186         Glib::RefPtr<Action> action = ActionManager::get_action ("Transport", "TogglePunch");
 187
 188         if (action) {
 189                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(action);
 190                 if (tact) {
 191                         ignore_dual_punch = true;
 192                         tact->set_active (false);
 193                         ignore_dual_punch = false;
 194                 }
 195         }
 196 }
 197
 198 void
 199 ARDOUR_UI::toggle_punch ()
 200 {
 201         if (ignore_dual_punch) {
 202                 return;
 203         }
 204
 205         Glib::RefPtr<Action> action = ActionManager::get_action ("Transport", "TogglePunch");
 206
 207         if (action) {
 208
 209                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(action);
 210
 211                 if (!tact) {
 212                         return;
 213                 }
 214
 215                 /* drive the other two actions from this one */
 216
 217                 Glib::RefPtr<Action> in_action = ActionManager::get_action ("Transport", "TogglePunchIn");
 218                 Glib::RefPtr<Action> out_action = ActionManager::get_action ("Transport", "TogglePunchOut");
 219
 220                 if (in_action && out_action) {
 221                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(in_action);
 222                         Glib::RefPtr<ToggleAction> toact = Glib::RefPtr<ToggleAction>::cast_dynamic(out_action);
 223                         tiact->set_active (tact->get_active());
 224                         toact->set_active (tact->get_active());
 225                 }
 226         }
 227 }
 228
 229 void
 230 ARDOUR_UI::toggle_punch_in ()
 231 {
 232         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("TogglePunchIn"));
 233         if (!act) {
 234                 return;
 235         }
 236
 237         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 238         if (!tact) {
 239                 return;
 240         }
 241
 242         if (tact->get_active() != _session->config.get_punch_in()) {
 243                 _session->config.set_punch_in (tact->get_active ());
 244         }
 245
 246         if (tact->get_active()) {
 247                 /* if punch-in is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 248                    to avoid confusing the user */
 249                 show_loop_punch_ruler_and_disallow_hide ();
 250         }
 251
 252         reenable_hide_loop_punch_ruler_if_appropriate ();
 253 }
 254
 255 void
 256 ARDOUR_UI::toggle_punch_out ()
 257 {
 258         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("TogglePunchOut"));
 259         if (!act) {
 260                 return;
 261         }
 262
 263         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 264         if (!tact) {
 265                 return;
 266         }
 267
 268         if (tact->get_active() != _session->config.get_punch_out()) {
 269                 _session->config.set_punch_out (tact->get_active ());
 270         }
 271
 272         if (tact->get_active()) {
 273                 /* if punch-out is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 274                    to avoid confusing the user */
 275                 show_loop_punch_ruler_and_disallow_hide ();
 276         }
 277
 278         reenable_hide_loop_punch_ruler_if_appropriate ();
 279 }
 280
 281 void
 282 ARDOUR_UI::show_loop_punch_ruler_and_disallow_hide ()
 283 {
 284         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), "toggle-loop-punch-ruler");
 285         if (!act) {
 286                 return;
 287         }
 288
 289         act->set_sensitive (false);
 290
 291         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 292         if (!tact) {
 293                 return;
 294         }
 295
 296         if (!tact->get_active()) {
 297                 tact->set_active ();
 298         }
 299 }
 300
 301 /* This is a bit of a silly name for a method */
 302 void
 303 ARDOUR_UI::reenable_hide_loop_punch_ruler_if_appropriate ()
 304 {
 305         if (!_session->config.get_punch_in() && !_session->config.get_punch_out()) {
 306                 /* if punch in/out are now both off, reallow hiding of the loop/punch ruler */
 307                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), "toggle-loop-punch-ruler");
 308                 if (act) {
 309                         act->set_sensitive (true);
 310                 }
 311         }
 312 }
 313
 314 void
 315 ARDOUR_UI::toggle_video_sync()
 316 {
 317         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", "ToggleVideoSync");
 318         if (act) {
 319                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 320                 _session->config.set_use_video_sync (tact->get_active());
 321         }
 322 }
 323
 324 void
 325 ARDOUR_UI::toggle_editing_space()
 326 {
 327         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMaximalEditor");
 328
 329         if (act) {
 330                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 331                 if (tact->get_active()) {
 332                         maximise_editing_space ();
 333                 } else {
 334                         restore_editing_space ();
 335                 }
 336         }
 337 }
 338
 339 void
 340 ARDOUR_UI::setup_session_options ()
 341 {
 342         _session->config.ParameterChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 343         boost::function<void (std::string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 344         _session->config.map_parameters (pc);
 345 }
 346
 347 void
 348 ARDOUR_UI::parameter_changed (std::string p)
 349 {
 350         if (p == "external-sync") {
 351
 352                 ActionManager::map_some_state ("Transport", "ToggleExternalSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_external_sync));
 353
 354                 if (!_session->config.get_external_sync()) {
 355                         sync_button.set_text (S_("SyncSource|Int."));
 356                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (true);
 357                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (true);
 358                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (true);
 359                 } else {
 360                         sync_button.set_text (sync_source_to_string (Config->get_sync_source(), true));
 361                         if (_session && _session->locations()->auto_loop_location()) {
 362                                 // disable looping with external sync.
 363                                 // This is not necessary because session-transport ignores the loop-state,
 364                                 // but makes it clear to the user that it's disabled.
 365                                 _session->request_play_loop (false, false);
 366                         }
 367                         /* XXX we need to make sure that auto-play is off as well as insensitive */
 368                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (false);
 369                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (false);
 370                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (false);
 371                 }
 372
 373         } else if (p == "follow-edits") {
 374
 375                 ActionManager::map_some_state ("Transport", "ToggleFollowEdits", &UIConfiguration::get_follow_edits);
 376
 377         } else if (p == "send-mtc") {
 378
 379                 ActionManager::map_some_state ("Options", "SendMTC", &RCConfiguration::get_send_mtc);
 380
 381         } else if (p == "send-mmc") {
 382
 383                 ActionManager::map_some_state ("Options", "SendMMC", &RCConfiguration::get_send_mmc);
 384
 385         } else if (p == "mmc-control") {
 386                 ActionManager::map_some_state ("Options", "UseMMC", &RCConfiguration::get_mmc_control);
 387         } else if (p == "auto-play") {
 388                 ActionManager::map_some_state ("Transport", "ToggleAutoPlay", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_play));
 389         } else if (p == "auto-return") {
 390                 ActionManager::map_some_state ("Transport", "ToggleAutoReturn", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_return));
 391         } else if (p == "auto-input") {
 392                 ActionManager::map_some_state ("Transport", "ToggleAutoInput", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_input));
 393         } else if (p == "session-monitoring") {
 394                 Glib::RefPtr<Action> iact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
 395                 Glib::RefPtr<Action> dact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
 396                 if (iact && dact) {
 397                         Glib::RefPtr<ToggleAction> tdact = Glib::RefPtr<ToggleAction>::cast_dynamic(dact);
 398                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(iact);
 399                         if (tdact && tiact) {
 400                                 switch (_session->config.get_session_monitoring ()) {
 401                                         case MonitorDisk:
 402                                                 tdact->set_active (true);
 403                                                 tiact->set_active (false);
 404                                                 break;
 405                                         case MonitorInput:
 406                                                 tiact->set_active (true);
 407                                                 tdact->set_active (false);
 408                                                 break;
 409                                         default:
 410                                                 tdact->set_active (false);
 411                                                 tiact->set_active (false);
 412                                                 break;
 413                                 }
 414                         }
 415                 }
 416         } else if (p == "punch-out") {
 417                 ActionManager::map_some_state ("Transport", "TogglePunchOut", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_out));
 418                 if (!_session->config.get_punch_out()) {
 419                         unset_dual_punch ();
 420                 }
 421         } else if (p == "punch-in") {
 422                 ActionManager::map_some_state ("Transport", "TogglePunchIn", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_in));
 423                 if (!_session->config.get_punch_in()) {
 424                         unset_dual_punch ();
 425                 }
 426         } else if (p == "clicking") {
 427                 ActionManager::map_some_state ("Transport", "ToggleClick", &RCConfiguration::get_clicking);
 428         } else if (p == "use-video-sync") {
 429                 ActionManager::map_some_state ("Transport",  "ToggleVideoSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_use_video_sync));
 430         } else if (p == "sync-source") {
 431
 432                 synchronize_sync_source_and_video_pullup ();
 433                 set_fps_timeout_connection ();
 434
 435         } else if (p == "show-track-meters") {
 436                 if (editor) editor->toggle_meter_updating();
 437         } else if (p == "primary-clock-delta-mode") {
 438                 if (UIConfiguration::instance().get_primary_clock_delta_mode() != NoDelta) {
 439                         primary_clock->set_is_duration (true);
 440                         primary_clock->set_editable (false);
 441                         primary_clock->set_widget_name ("transport delta");
 442                 } else {
 443                         primary_clock->set_is_duration (false);
 444                         primary_clock->set_editable (true);
 445                         primary_clock->set_widget_name ("transport");
 446                 }
 447         } else if (p == "secondary-clock-delta-mode") {
 448                 if (UIConfiguration::instance().get_secondary_clock_delta_mode() != NoDelta) {
 449                         secondary_clock->set_is_duration (true);
 450                         secondary_clock->set_editable (false);
 451                         secondary_clock->set_widget_name ("secondary delta");
 452                 } else {
 453                         secondary_clock->set_is_duration (false);
 454                         secondary_clock->set_editable (true);
 455                         secondary_clock->set_widget_name ("secondary");
 456                 }
 457         } else if (p == "super-rapid-clock-update") {
 458                 if (_session) {
 459                         stop_clocking ();
 460                         start_clocking ();
 461                 }
 462         } else if (p == "use-tooltips") {
 463                 /* this doesn't really belong here but it has to go somewhere */
 464                 if (UIConfiguration::instance().get_use_tooltips()) {
 465                         Gtkmm2ext::enable_tooltips ();
 466                 } else {
 467                         Gtkmm2ext::disable_tooltips ();
 468                 }
 469         } else if (p == "waveform-gradient-depth") {
 470                 ArdourWaveView::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
 471         } else if (p == "show-mini-timeline") {
 472                 repack_transport_hbox ();
 473         } else if (p == "show-dsp-load-info") {
 474                 repack_transport_hbox ();
 475         } else if (p == "show-disk-space-info") {
 476                 repack_transport_hbox ();
 477         } else if (p == "show-toolbar-recpunch") {
 478                 repack_transport_hbox ();
 479         } else if (p == "show-toolbar-monitoring") {
 480                 repack_transport_hbox ();
 481         } else if (p == "show-toolbar-selclock") {
 482                 repack_transport_hbox ();
 483         } else if (p == "show-editor-meter") {
 484                 repack_transport_hbox ();
 485         } else if (p == "show-secondary-clock") {
 486                 update_clock_visibility ();
 487         } else if (p == "waveform-scale") {
 488                 ArdourWaveView::WaveView::set_global_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
 489         } else if (p == "widget-prelight") {
 490                 CairoWidget::set_widget_prelight (UIConfiguration::instance().get_widget_prelight());
 491         } else if (p == "waveform-shape") {
 492                 ArdourWaveView::WaveView::set_global_shape (UIConfiguration::instance().get_waveform_shape() == Rectified
 493                                 ? ArdourWaveView::WaveView::Rectified : ArdourWaveView::WaveView::Normal);
 494         } else if (p == "show-waveform-clipping") {
 495                 ArdourWaveView::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
 496         } else if (p == "waveform-cache-size") {
 497                 /* GUI option has units of megabytes; image cache uses units of bytes */
 498                 ArdourWaveView::WaveView::set_image_cache_size (UIConfiguration::instance().get_waveform_cache_size() * 1048576);
 499         } else if (p == "use-wm-visibility") {
 500                 VisibilityTracker::set_use_window_manager_visibility (UIConfiguration::instance().get_use_wm_visibility());
 501         } else if (p == "action-table-columns") {
 502                 const uint32_t cols = UIConfiguration::instance().get_action_table_columns ();
 503                 for (int i = 0; i < 9; ++i) {
 504                         const int col = i / 2;
 505                         if (cols & (1<<col)) {
 506                                 action_script_call_btn[i].show();
 507                         } else {
 508                                 action_script_call_btn[i].hide();
 509                         }
 510                 }
 511         } else if (p == "layered-record-mode") {
 512                 layered_button.set_active (_session->config.get_layered_record_mode ());
 513         } else if (p == "flat-buttons") {
 514                 bool flat = UIConfiguration::instance().get_flat_buttons();
 515                 if (ArdourButton::flat_buttons () != flat) {
 516                         ArdourButton::set_flat_buttons (flat);
 517                         /* force a redraw */
 518                         gtk_rc_reset_styles (gtk_settings_get_default());
 519                 }
 520         } else if ( (p == "snap-to-region-sync") || (p == "snap-to-region-start") || (p == "snap-to-region-end") ) {
 521                 if (editor) editor->mark_region_boundary_cache_dirty();
 522         }
 523
 524 }
 525
 526 void
 527 ARDOUR_UI::session_parameter_changed (std::string p)
 528 {
 529         if (p == "native-file-data-format" || p == "native-file-header-format") {
 530                 update_format ();
 531         } else if (p == "timecode-format") {
 532                 set_fps_timeout_connection ();
 533         } else if (p == "video-pullup" || p == "timecode-format") {
 534                 set_fps_timeout_connection ();
 535
 536                 synchronize_sync_source_and_video_pullup ();
 537                 reset_main_clocks ();
 538                 editor->queue_visual_videotimeline_update();
 539         } else if (p == "track-name-number") {
 540                 /* DisplaySuspender triggers _route->redisplay() when going out of scope
 541                  * which eventually calls reset_controls_layout_width() and re-sets the
 542                  * track-header width.
 543                  * see also RouteTimeAxisView::update_track_number_visibility()
 544                  */
 545                 DisplaySuspender ds;
 546         }
 547 }
 548
 549 void
 550 ARDOUR_UI::reset_main_clocks ()
 551 {
 552         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::reset_main_clocks)
 553
 554         if (_session) {
 555                 primary_clock->set (_session->audible_sample(), true);
 556                 secondary_clock->set (_session->audible_sample(), true);
 557         } else {
 558                 primary_clock->set (0, true);
 559                 secondary_clock->set (0, true);
 560         }
 561 }
 562
 563 void
 564 ARDOUR_UI::synchronize_sync_source_and_video_pullup ()
 565 {
 566         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
 567
 568         if (!act) {
 569                 return;
 570         }
 571
 572         if (!_session) {
 573                 goto just_label;
 574         }
 575
 576         if (_session->config.get_video_pullup() == 0.0f) {
 577                 /* with no video pull up/down, any sync source is OK */
 578                 act->set_sensitive (true);
 579         } else {
 580                 /* can't sync to JACK if video pullup != 0.0 */
 581                 if (Config->get_sync_source() == Engine) {
 582                         act->set_sensitive (false);
 583                 } else {
 584                         act->set_sensitive (true);
 585                 }
 586         }
 587
 588         /* XXX should really be able to set the video pull up
 589            action to insensitive/sensitive, but there is no action.
 590            FIXME
 591         */
 592
 593   just_label:
 594         if (act->get_sensitive ()) {
 595                 set_tip (sync_button, _("Enable/Disable external positional sync"));
 596         } else {
 597                 set_tip (sync_button, _("Sync to JACK is not possible: video pull up/down is set"));
 598         }
 599
 600 }
 601