gtk2_ardour/ardour_ui_options.cc

   1 /*
   2  * Copyright (C) 2005-2019 Paul Davis <paul@linuxaudiosystems.com>
   3  * Copyright (C) 2006-2007 Doug McLain <doug@nostar.net>
   4  * Copyright (C) 2006-2007 Nick Mainsbridge <mainsbridge@gmail.com>
   5  * Copyright (C) 2006 Sampo Savolainen <v2@iki.fi>
   6  * Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
   7  * Copyright (C) 2008-2012 David Robillard <d@drobilla.net>
   8  * Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
   9  * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
  10  * Copyright (C) 2012-2019 Robin Gareus <robin@gareus.org>
  11  * Copyright (C) 2014-2018 Ben Loftis <ben@harrisonconsoles.com>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #ifdef WAF_BUILD
  29 #include "gtk2ardour-config.h"
  30 #endif
  31
  32 #include "pbd/convert.h"
  33 #include "pbd/stacktrace.h"
  34 #include "pbd/unwind.h"
  35
  36 #include "ardour/rc_configuration.h"
  37 #include "ardour/session.h"
  38 #include "ardour/transport_master_manager.h"
  39
  40 #include "gtkmm2ext/utils.h"
  41 #include "waveview/wave_view.h"
  42
  43 #include "audio_clock.h"
  44 #include "ardour_ui.h"
  45 #include "actions.h"
  46 #include "gui_thread.h"
  47 #include "public_editor.h"
  48 #include "main_clock.h"
  49
  50 #include "pbd/i18n.h"
  51
  52 using namespace Gtk;
  53 using namespace Gtkmm2ext;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace ArdourWidgets;
  57
  58 void
  59 ARDOUR_UI::toggle_external_sync()
  60 {
  61         if (_session) {
  62                 if (_session->config.get_video_pullup() != 0.0f && (TransportMasterManager::instance().current()->type() == Engine)) {
  63                         MessageDialog msg (_("It is not possible to use JACK as the the sync source\n when the pull up/down setting is non-zero."));
  64                         msg.run ();
  65                         return;
  66                 }
  67
  68                 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));
  69
  70                 /* activating a slave is a session-property.
  71                  * The slave type is a RC property.
  72                  * When the slave is active is must not be reconfigured.
  73                  * This is a UI limitation, imposed by audio-clock and
  74                  * status displays which combine RC-config & session-properties.
  75                  *
  76                  * Notify RCOptionEditor by emitting a signal if the active
  77                  * status changed:
  78                  */
  79                 Config->ParameterChanged("sync-source");
  80         }
  81 }
  82
  83 void
  84 ARDOUR_UI::toggle_time_master ()
  85 {
  86         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));
  87 }
  88
  89 void
  90 ARDOUR_UI::toggle_send_mtc ()
  91 {
  92         ActionManager::toggle_config_state ("Options", "SendMTC", &RCConfiguration::set_send_mtc, &RCConfiguration::get_send_mtc);
  93 }
  94
  95 void
  96 ARDOUR_UI::toggle_send_mmc ()
  97 {
  98         ActionManager::toggle_config_state ("Options", "SendMMC", &RCConfiguration::set_send_mmc, &RCConfiguration::get_send_mmc);
  99 }
 100
 101 void
 102 ARDOUR_UI::toggle_send_midi_clock ()
 103 {
 104         ActionManager::toggle_config_state ("Options", "SendMidiClock", &RCConfiguration::set_send_midi_clock, &RCConfiguration::get_send_midi_clock);
 105 }
 106
 107 void
 108 ARDOUR_UI::toggle_use_mmc ()
 109 {
 110         ActionManager::toggle_config_state ("Options", "UseMMC", &RCConfiguration::set_mmc_control, &RCConfiguration::get_mmc_control);
 111 }
 112
 113 void
 114 ARDOUR_UI::toggle_auto_input ()
 115 {
 116         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));
 117 }
 118
 119 void
 120 ARDOUR_UI::toggle_auto_play ()
 121 {
 122         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));
 123 }
 124
 125 void
 126 ARDOUR_UI::toggle_auto_return ()
 127 {
 128         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));
 129 }
 130
 131 void
 132 ARDOUR_UI::toggle_click ()
 133 {
 134         ActionManager::toggle_config_state ("Transport", "ToggleClick", &RCConfiguration::set_clicking, &RCConfiguration::get_clicking);
 135 }
 136
 137 void
 138 ARDOUR_UI::toggle_session_monitoring_in ()
 139 {
 140         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Transport"), X_("SessionMonitorIn"));
 141
 142         if (tact->get_active() && _session->config.get_session_monitoring () == MonitorInput) {
 143                 return;
 144         }
 145         if (!tact->get_active() && _session->config.get_session_monitoring () != MonitorInput) {
 146                 return;
 147         }
 148
 149         if (tact->get_active()) {
 150                 _session->config.set_session_monitoring (MonitorInput);
 151         } else {
 152                 _session->config.set_session_monitoring (MonitorAuto);
 153         }
 154 }
 155
 156 void
 157 ARDOUR_UI::toggle_session_monitoring_disk ()
 158 {
 159         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Transport"), X_("SessionMonitorDisk"));
 160         if (tact->get_active() && _session->config.get_session_monitoring () == MonitorDisk) {
 161                 return;
 162         }
 163         if (!tact->get_active() && _session->config.get_session_monitoring () != MonitorDisk) {
 164                 return;
 165         }
 166
 167         if (tact->get_active()) {
 168                 _session->config.set_session_monitoring (MonitorDisk);
 169         } else {
 170                 _session->config.set_session_monitoring (MonitorAuto);
 171         }
 172 }
 173
 174 void
 175 ARDOUR_UI::unset_dual_punch ()
 176 {
 177         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Transport", "TogglePunch");
 178         if (tact) {
 179                 ignore_dual_punch = true;
 180                 tact->set_active (false);
 181                 ignore_dual_punch = false;
 182         }
 183 }
 184
 185 void
 186 ARDOUR_UI::toggle_punch ()
 187 {
 188         if (ignore_dual_punch) {
 189                 return;
 190         }
 191
 192         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Transport", "TogglePunch");
 193
 194         /* drive the other two actions from this one */
 195         Glib::RefPtr<ToggleAction> in_action = ActionManager::get_toggle_action ("Transport", "TogglePunchIn");
 196         Glib::RefPtr<ToggleAction> out_action = ActionManager::get_toggle_action ("Transport", "TogglePunchOut");
 197
 198         in_action->set_active (tact->get_active());
 199         out_action->set_active (tact->get_active());
 200 }
 201
 202 void
 203 ARDOUR_UI::toggle_punch_in ()
 204 {
 205         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Transport"), X_("TogglePunchIn"));
 206
 207         if (tact->get_active() != _session->config.get_punch_in()) {
 208                 _session->config.set_punch_in (tact->get_active ());
 209         }
 210
 211         if (tact->get_active()) {
 212                 /* if punch-in is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 213                    to avoid confusing the user */
 214                 show_loop_punch_ruler_and_disallow_hide ();
 215         }
 216
 217         reenable_hide_loop_punch_ruler_if_appropriate ();
 218 }
 219
 220 void
 221 ARDOUR_UI::toggle_punch_out ()
 222 {
 223         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Transport"), X_("TogglePunchOut"));
 224
 225         if (tact->get_active() != _session->config.get_punch_out()) {
 226                 _session->config.set_punch_out (tact->get_active ());
 227         }
 228
 229         if (tact->get_active()) {
 230                 /* if punch-out is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 231                    to avoid confusing the user */
 232                 show_loop_punch_ruler_and_disallow_hide ();
 233         }
 234
 235         reenable_hide_loop_punch_ruler_if_appropriate ();
 236 }
 237
 238 void
 239 ARDOUR_UI::show_loop_punch_ruler_and_disallow_hide ()
 240 {
 241         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action (X_("Rulers"), "toggle-loop-punch-ruler");
 242
 243         tact->set_sensitive (false);
 244
 245         if (!tact->get_active()) {
 246                 tact->set_active ();
 247         }
 248 }
 249
 250 /* This is a bit of a silly name for a method */
 251 void
 252 ARDOUR_UI::reenable_hide_loop_punch_ruler_if_appropriate ()
 253 {
 254         if (!_session->config.get_punch_in() && !_session->config.get_punch_out()) {
 255                 /* if punch in/out are now both off, reallow hiding of the loop/punch ruler */
 256                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), "toggle-loop-punch-ruler");
 257                 if (act) {
 258                         act->set_sensitive (true);
 259                 }
 260         }
 261 }
 262
 263 void
 264 ARDOUR_UI::toggle_video_sync()
 265 {
 266         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Transport", "ToggleVideoSync");
 267         _session->config.set_use_video_sync (tact->get_active());
 268 }
 269
 270 void
 271 ARDOUR_UI::toggle_editing_space()
 272 {
 273         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Common", "ToggleMaximalEditor");
 274         if (tact->get_active()) {
 275                 maximise_editing_space ();
 276         } else {
 277                 restore_editing_space ();
 278         }
 279 }
 280
 281 void
 282 ARDOUR_UI::toggle_latency_switch ()
 283 {
 284         Glib::RefPtr<ToggleAction> tact = ActionManager::get_toggle_action ("Main", "ToggleLatencyCompensation");
 285         ARDOUR::Latent::force_zero_latency (tact->get_active());
 286 }
 287
 288 void
 289 ARDOUR_UI::setup_session_options ()
 290 {
 291         _session->config.ParameterChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 292         boost::function<void (std::string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 293         _session->config.map_parameters (pc);
 294 }
 295
 296 void
 297 ARDOUR_UI::parameter_changed (std::string p)
 298 {
 299         if (p == "external-sync") {
 300
 301                 /* session parameter */
 302
 303                 ActionManager::map_some_state ("Transport", "ToggleExternalSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_external_sync));
 304
 305                 if (!_session->config.get_external_sync()) {
 306                         sync_button.set_text (S_("SyncSource|Int."));
 307                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (true);
 308                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (true);
 309                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (true);
 310                 } else {
 311                         /* XXX we need to make sure that auto-play is off as well as insensitive */
 312                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (false);
 313                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (false);
 314                         if (!_session->synced_to_engine()) {
 315                                 /* JACK transport allows auto-return */
 316                                 ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (false);
 317                         }
 318                 }
 319
 320         } else if (p == "sync-source") {
 321
 322                 /* app parameter (RC config) */
 323
 324                 if (_session) {
 325                         if (!_session->config.get_external_sync()) {
 326                                 sync_button.set_text (S_("SyncSource|Int."));
 327                         } else {
 328                                 sync_button.set_text (TransportMasterManager::instance().current()->display_name());
 329                         }
 330                 } else {
 331                         /* changing sync source without a session is unlikely/impossible , except during startup */
 332                         sync_button.set_text (TransportMasterManager::instance().current()->display_name());
 333                 }
 334
 335         } else if (p == "follow-edits") {
 336
 337                 ActionManager::map_some_state ("Transport", "ToggleFollowEdits", &UIConfiguration::get_follow_edits);
 338
 339         } else if (p == "send-mtc") {
 340
 341                 ActionManager::map_some_state ("Options", "SendMTC", &RCConfiguration::get_send_mtc);
 342
 343         } else if (p == "send-mmc") {
 344
 345                 ActionManager::map_some_state ("Options", "SendMMC", &RCConfiguration::get_send_mmc);
 346
 347         } else if (p == "mmc-control") {
 348                 ActionManager::map_some_state ("Options", "UseMMC", &RCConfiguration::get_mmc_control);
 349         } else if (p == "auto-play") {
 350                 ActionManager::map_some_state ("Transport", "ToggleAutoPlay", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_play));
 351         } else if (p == "auto-return") {
 352                 ActionManager::map_some_state ("Transport", "ToggleAutoReturn", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_return));
 353         } else if (p == "auto-input") {
 354                 ActionManager::map_some_state ("Transport", "ToggleAutoInput", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_input));
 355         } else if (p == "session-monitoring") {
 356                 Glib::RefPtr<ToggleAction> tiact = ActionManager::get_toggle_action (X_("Transport"), X_("SessionMonitorIn"));
 357                 Glib::RefPtr<ToggleAction> tdact = ActionManager::get_toggle_action (X_("Transport"), X_("SessionMonitorDisk"));
 358                 switch (_session->config.get_session_monitoring ()) {
 359                         case MonitorDisk:
 360                                 tdact->set_active (true);
 361                                 tiact->set_active (false);
 362                                 break;
 363                         case MonitorInput:
 364                                 tiact->set_active (true);
 365                                 tdact->set_active (false);
 366                                 break;
 367                         default:
 368                                 tdact->set_active (false);
 369                                 tiact->set_active (false);
 370                                 break;
 371                 }
 372         } else if (p == "punch-out") {
 373                 ActionManager::map_some_state ("Transport", "TogglePunchOut", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_out));
 374                 if (!_session->config.get_punch_out()) {
 375                         unset_dual_punch ();
 376                 }
 377         } else if (p == "punch-in") {
 378                 ActionManager::map_some_state ("Transport", "TogglePunchIn", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_in));
 379                 if (!_session->config.get_punch_in()) {
 380                         unset_dual_punch ();
 381                 }
 382         } else if (p == "clicking") {
 383                 ActionManager::map_some_state ("Transport", "ToggleClick", &RCConfiguration::get_clicking);
 384         } else if (p == "use-video-sync") {
 385                 ActionManager::map_some_state ("Transport",  "ToggleVideoSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_use_video_sync));
 386         } else if (p == "sync-source") {
 387
 388                 synchronize_sync_source_and_video_pullup ();
 389                 set_fps_timeout_connection ();
 390
 391         } else if (p == "show-track-meters") {
 392                 if (editor) editor->toggle_meter_updating();
 393         } else if (p == "primary-clock-delta-mode") {
 394                 if (UIConfiguration::instance().get_primary_clock_delta_mode() != NoDelta) {
 395                         primary_clock->set_is_duration (true);
 396                         primary_clock->set_editable (false);
 397                         primary_clock->set_widget_name ("transport delta");
 398                 } else {
 399                         primary_clock->set_is_duration (false);
 400                         primary_clock->set_editable (true);
 401                         primary_clock->set_widget_name ("transport");
 402                 }
 403         } else if (p == "secondary-clock-delta-mode") {
 404                 if (UIConfiguration::instance().get_secondary_clock_delta_mode() != NoDelta) {
 405                         secondary_clock->set_is_duration (true);
 406                         secondary_clock->set_editable (false);
 407                         secondary_clock->set_widget_name ("secondary delta");
 408                 } else {
 409                         secondary_clock->set_is_duration (false);
 410                         secondary_clock->set_editable (true);
 411                         secondary_clock->set_widget_name ("secondary");
 412                 }
 413         } else if (p == "super-rapid-clock-update") {
 414                 if (_session) {
 415                         stop_clocking ();
 416                         start_clocking ();
 417                 }
 418         } else if (p == "use-tooltips") {
 419                 /* this doesn't really belong here but it has to go somewhere */
 420                 if (UIConfiguration::instance().get_use_tooltips()) {
 421                         Gtkmm2ext::enable_tooltips ();
 422                 } else {
 423                         Gtkmm2ext::disable_tooltips ();
 424                 }
 425         } else if (p == "waveform-gradient-depth") {
 426                 ArdourWaveView::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
 427         } else if (p == "show-mini-timeline") {
 428                 repack_transport_hbox ();
 429         } else if (p == "show-dsp-load-info") {
 430                 repack_transport_hbox ();
 431         } else if (p == "show-disk-space-info") {
 432                 repack_transport_hbox ();
 433         } else if (p == "show-toolbar-recpunch") {
 434                 repack_transport_hbox ();
 435         } else if (p == "show-toolbar-monitoring") {
 436                 repack_transport_hbox ();
 437         } else if (p == "show-toolbar-selclock") {
 438                 repack_transport_hbox ();
 439         } else if (p == "show-toolbar-latency") {
 440                 repack_transport_hbox ();
 441         } else if (p == "show-editor-meter") {
 442                 repack_transport_hbox ();
 443         } else if (p == "show-secondary-clock") {
 444                 update_clock_visibility ();
 445         } else if (p == "waveform-scale") {
 446                 ArdourWaveView::WaveView::set_global_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
 447         } else if (p == "widget-prelight") {
 448                 CairoWidget::set_widget_prelight (UIConfiguration::instance().get_widget_prelight());
 449         } else if (p == "waveform-shape") {
 450                 ArdourWaveView::WaveView::set_global_shape (UIConfiguration::instance().get_waveform_shape() == Rectified
 451                                 ? ArdourWaveView::WaveView::Rectified : ArdourWaveView::WaveView::Normal);
 452         } else if (p == "show-waveform-clipping") {
 453                 ArdourWaveView::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
 454         } else if (p == "waveform-cache-size") {
 455                 /* GUI option has units of megabytes; image cache uses units of bytes */
 456                 ArdourWaveView::WaveView::set_image_cache_size (UIConfiguration::instance().get_waveform_cache_size() * 1048576);
 457         } else if (p == "use-wm-visibility") {
 458                 VisibilityTracker::set_use_window_manager_visibility (UIConfiguration::instance().get_use_wm_visibility());
 459         } else if (p == "action-table-columns") {
 460                 const uint32_t cols = UIConfiguration::instance().get_action_table_columns ();
 461                 for (int i = 0; i < MAX_LUA_ACTION_BUTTONS; ++i) {
 462                         const int col = i / 2;
 463                         if (cols & (1<<col)) {
 464                                 action_script_call_btn[i].show();
 465                         } else {
 466                                 action_script_call_btn[i].hide();
 467                         }
 468                 }
 469         } else if (p == "layered-record-mode") {
 470                 layered_button.set_active (_session->config.get_layered_record_mode ());
 471         } else if (p == "flat-buttons") {
 472                 bool flat = UIConfiguration::instance().get_flat_buttons();
 473                 if (ArdourButton::flat_buttons () != flat) {
 474                         ArdourButton::set_flat_buttons (flat);
 475                         /* force a redraw */
 476                         gtk_rc_reset_styles (gtk_settings_get_default());
 477                 }
 478         } else if (p == "boxy-buttons") {
 479                 bool boxy = UIConfiguration::instance().get_boxy_buttons();
 480                 if (ArdourButton::boxy_buttons () != boxy) {
 481                         ArdourButton::set_boxy_buttons (boxy);
 482                         /* force a redraw */
 483                         gtk_rc_reset_styles (gtk_settings_get_default());
 484                 }
 485         } else if ( (p == "snap-to-region-sync") || (p == "snap-to-region-start") || (p == "snap-to-region-end") ) {
 486                 if (editor) editor->mark_region_boundary_cache_dirty();
 487         } else if (p == "screen-saver-mode") {
 488                 switch (UIConfiguration::instance().get_screen_saver_mode ()) {
 489                         using namespace ARDOUR_UI_UTILS;
 490                         case InhibitWhileRecording:
 491                                 inhibit_screensaver (_session && _session->actively_recording ());
 492                                 break;
 493                         case InhibitAlways:
 494                                 inhibit_screensaver (true);
 495                                 break;
 496                         case InhibitNever:
 497                                 inhibit_screensaver (false);
 498                                 break;
 499                 }
 500         }
 501 }
 502
 503 void
 504 ARDOUR_UI::session_parameter_changed (std::string p)
 505 {
 506         if (p == "native-file-data-format" || p == "native-file-header-format") {
 507                 update_format ();
 508         } else if (p == "timecode-format") {
 509                 set_fps_timeout_connection ();
 510         } else if (p == "video-pullup" || p == "timecode-format") {
 511                 set_fps_timeout_connection ();
 512
 513                 synchronize_sync_source_and_video_pullup ();
 514                 reset_main_clocks ();
 515                 editor->queue_visual_videotimeline_update();
 516         } else if (p == "track-name-number") {
 517                 /* DisplaySuspender triggers _route->redisplay() when going out of scope
 518                  * which eventually calls reset_controls_layout_width() and re-sets the
 519                  * track-header width.
 520                  * see also RouteTimeAxisView::update_track_number_visibility()
 521                  */
 522                 DisplaySuspender ds;
 523         }
 524 }
 525
 526 void
 527 ARDOUR_UI::reset_main_clocks ()
 528 {
 529         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::reset_main_clocks)
 530
 531         if (_session) {
 532                 primary_clock->set (_session->audible_sample(), true);
 533                 secondary_clock->set (_session->audible_sample(), true);
 534         } else {
 535                 primary_clock->set (0, true);
 536                 secondary_clock->set (0, true);
 537         }
 538 }
 539
 540 void
 541 ARDOUR_UI::synchronize_sync_source_and_video_pullup ()
 542 {
 543         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
 544
 545         if (!act) {
 546                 return;
 547         }
 548
 549         if (!_session) {
 550                 goto just_label;
 551         }
 552
 553         if (_session->config.get_video_pullup() == 0.0f) {
 554                 /* with no video pull up/down, any sync source is OK */
 555                 act->set_sensitive (true);
 556         } else {
 557                 /* can't sync to JACK if video pullup != 0.0 */
 558                 if (TransportMasterManager::instance().current()->type() == Engine) {
 559                         act->set_sensitive (false);
 560                 } else {
 561                         act->set_sensitive (true);
 562                 }
 563         }
 564
 565         /* XXX should really be able to set the video pull up
 566            action to insensitive/sensitive, but there is no action.
 567            FIXME
 568         */
 569
 570   just_label:
 571         if (act->get_sensitive ()) {
 572                 set_tip (sync_button, _("Enable/Disable external positional sync"));
 573         } else {
 574                 set_tip (sync_button, _("Sync to JACK is not possible: video pull up/down is set"));
 575         }
 576
 577 }