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 <gtkmm2ext/utils.h>
  29
  30 #include "ardour/rc_configuration.h"
  31 #include "ardour/session.h"
  32
  33 #include "canvas/wave_view.h"
  34
  35 #include "audio_clock.h"
  36 #include "ardour_ui.h"
  37 #include "actions.h"
  38 #include "gui_thread.h"
  39 #include "public_editor.h"
  40 #include "main_clock.h"
  41
  42 #include "pbd/i18n.h"
  43
  44 using namespace Gtk;
  45 using namespace Gtkmm2ext;
  46 using namespace ARDOUR;
  47 using namespace PBD;
  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         if (ignore_session_monitoring) {
 136                 return;
 137         }
 138         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
 139         if (!act) {
 140                 return;
 141         }
 142         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 143         if (!tact) {
 144                 return;
 145         }
 146         if (tact->get_active()) {
 147                 Glib::RefPtr<Action> dact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
 148                 if (dact) {
 149                         Glib::RefPtr<ToggleAction> tdact = Glib::RefPtr<ToggleAction>::cast_dynamic(dact);
 150                         if (tdact) {
 151                                 PBD::Unwinder<bool> (ignore_session_monitoring, true);
 152                                 tdact->set_active (false);
 153                         }
 154                 }
 155                 _session->config.set_session_monitoring (MonitorInput);
 156         } else {
 157                 _session->config.set_session_monitoring (MonitorAuto);
 158         }
 159 }
 160
 161 void
 162 ARDOUR_UI::toggle_session_monitoring_disk ()
 163 {
 164         if (ignore_session_monitoring) {
 165                 return;
 166         }
 167         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
 168         if (!act) {
 169                 return;
 170         }
 171         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 172         if (!tact) {
 173                 return;
 174         }
 175         if (tact->get_active()) {
 176                 Glib::RefPtr<Action> iact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
 177                 if (iact) {
 178                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(iact);
 179                         if (tiact) {
 180                                 PBD::Unwinder<bool> (ignore_session_monitoring, true);
 181                                 tiact->set_active (false);
 182                         }
 183                 }
 184                 _session->config.set_session_monitoring (MonitorDisk);
 185         } else {
 186                 _session->config.set_session_monitoring (MonitorAuto);
 187         }
 188 }
 189
 190 void
 191 ARDOUR_UI::unset_dual_punch ()
 192 {
 193         Glib::RefPtr<Action> action = ActionManager::get_action ("Transport", "TogglePunch");
 194
 195         if (action) {
 196                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(action);
 197                 if (tact) {
 198                         ignore_dual_punch = true;
 199                         tact->set_active (false);
 200                         ignore_dual_punch = false;
 201                 }
 202         }
 203 }
 204
 205 void
 206 ARDOUR_UI::toggle_punch ()
 207 {
 208         if (ignore_dual_punch) {
 209                 return;
 210         }
 211
 212         Glib::RefPtr<Action> action = ActionManager::get_action ("Transport", "TogglePunch");
 213
 214         if (action) {
 215
 216                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(action);
 217
 218                 if (!tact) {
 219                         return;
 220                 }
 221
 222                 /* drive the other two actions from this one */
 223
 224                 Glib::RefPtr<Action> in_action = ActionManager::get_action ("Transport", "TogglePunchIn");
 225                 Glib::RefPtr<Action> out_action = ActionManager::get_action ("Transport", "TogglePunchOut");
 226
 227                 if (in_action && out_action) {
 228                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(in_action);
 229                         Glib::RefPtr<ToggleAction> toact = Glib::RefPtr<ToggleAction>::cast_dynamic(out_action);
 230                         tiact->set_active (tact->get_active());
 231                         toact->set_active (tact->get_active());
 232                 }
 233         }
 234 }
 235
 236 void
 237 ARDOUR_UI::toggle_punch_in ()
 238 {
 239         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("TogglePunchIn"));
 240         if (!act) {
 241                 return;
 242         }
 243
 244         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 245         if (!tact) {
 246                 return;
 247         }
 248
 249         if (tact->get_active() != _session->config.get_punch_in()) {
 250                 _session->config.set_punch_in (tact->get_active ());
 251         }
 252
 253         if (tact->get_active()) {
 254                 /* if punch-in is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 255                    to avoid confusing the user */
 256                 show_loop_punch_ruler_and_disallow_hide ();
 257         }
 258
 259         reenable_hide_loop_punch_ruler_if_appropriate ();
 260 }
 261
 262 void
 263 ARDOUR_UI::toggle_punch_out ()
 264 {
 265         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("TogglePunchOut"));
 266         if (!act) {
 267                 return;
 268         }
 269
 270         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 271         if (!tact) {
 272                 return;
 273         }
 274
 275         if (tact->get_active() != _session->config.get_punch_out()) {
 276                 _session->config.set_punch_out (tact->get_active ());
 277         }
 278
 279         if (tact->get_active()) {
 280                 /* if punch-out is turned on, make sure the loop/punch ruler is visible, and stop it being hidden,
 281                    to avoid confusing the user */
 282                 show_loop_punch_ruler_and_disallow_hide ();
 283         }
 284
 285         reenable_hide_loop_punch_ruler_if_appropriate ();
 286 }
 287
 288 void
 289 ARDOUR_UI::show_loop_punch_ruler_and_disallow_hide ()
 290 {
 291         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), "toggle-loop-punch-ruler");
 292         if (!act) {
 293                 return;
 294         }
 295
 296         act->set_sensitive (false);
 297
 298         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 299         if (!tact) {
 300                 return;
 301         }
 302
 303         if (!tact->get_active()) {
 304                 tact->set_active ();
 305         }
 306 }
 307
 308 /* This is a bit of a silly name for a method */
 309 void
 310 ARDOUR_UI::reenable_hide_loop_punch_ruler_if_appropriate ()
 311 {
 312         if (!_session->config.get_punch_in() && !_session->config.get_punch_out()) {
 313                 /* if punch in/out are now both off, reallow hiding of the loop/punch ruler */
 314                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Rulers"), "toggle-loop-punch-ruler");
 315                 if (act) {
 316                         act->set_sensitive (true);
 317                 }
 318         }
 319 }
 320
 321 void
 322 ARDOUR_UI::toggle_video_sync()
 323 {
 324         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", "ToggleVideoSync");
 325         if (act) {
 326                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 327                 _session->config.set_use_video_sync (tact->get_active());
 328         }
 329 }
 330
 331 void
 332 ARDOUR_UI::toggle_editing_space()
 333 {
 334         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMaximalEditor");
 335
 336         if (act) {
 337                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
 338                 if (tact->get_active()) {
 339                         maximise_editing_space ();
 340                 } else {
 341                         restore_editing_space ();
 342                 }
 343         }
 344 }
 345
 346 void
 347 ARDOUR_UI::setup_session_options ()
 348 {
 349         _session->config.ParameterChanged.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 350         boost::function<void (std::string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 351         _session->config.map_parameters (pc);
 352 }
 353
 354 void
 355 ARDOUR_UI::parameter_changed (std::string p)
 356 {
 357         if (p == "external-sync") {
 358
 359                 ActionManager::map_some_state ("Transport", "ToggleExternalSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_external_sync));
 360
 361                 if (!_session->config.get_external_sync()) {
 362                         sync_button.set_text (S_("SyncSource|Int."));
 363                         auto_loop_button.set_sensitive (true);
 364                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (true);
 365                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (true);
 366                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (true);
 367                 } else {
 368                         sync_button.set_text (sync_source_to_string (Config->get_sync_source(), true));
 369                         if (_session && _session->locations()->auto_loop_location()) {
 370                                 // disable looping with external sync.
 371                                 // This is not necessary because session-transport ignores the loop-state,
 372                                 // but makes it clear to the user that it's disabled.
 373                                 _session->request_play_loop (false, false);
 374                         }
 375                         auto_loop_button.set_sensitive (false);
 376                         /* XXX we need to make sure that auto-play is off as well as insensitive */
 377                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (false);
 378                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (false);
 379                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (false);
 380                 }
 381
 382         } else if (p == "follow-edits") {
 383
 384                 ActionManager::map_some_state ("Transport", "ToggleFollowEdits", &UIConfiguration::get_follow_edits);
 385
 386         } else if (p == "send-mtc") {
 387
 388                 ActionManager::map_some_state ("Options", "SendMTC", &RCConfiguration::get_send_mtc);
 389
 390         } else if (p == "send-mmc") {
 391
 392                 ActionManager::map_some_state ("Options", "SendMMC", &RCConfiguration::get_send_mmc);
 393
 394         } else if (p == "mmc-control") {
 395                 ActionManager::map_some_state ("Options", "UseMMC", &RCConfiguration::get_mmc_control);
 396         } else if (p == "auto-play") {
 397                 ActionManager::map_some_state ("Transport", "ToggleAutoPlay", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_play));
 398         } else if (p == "auto-return") {
 399                 ActionManager::map_some_state ("Transport", "ToggleAutoReturn", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_return));
 400         } else if (p == "auto-input") {
 401                 ActionManager::map_some_state ("Transport", "ToggleAutoInput", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_input));
 402         } else if (p == "session-monitoring") {
 403                 Glib::RefPtr<Action> iact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
 404                 Glib::RefPtr<Action> dact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
 405                 if (iact && dact) {
 406                         Glib::RefPtr<ToggleAction> tdact = Glib::RefPtr<ToggleAction>::cast_dynamic(dact);
 407                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(iact);
 408                         if (tdact && tiact) {
 409                                 switch (_session->config.get_session_monitoring ()) {
 410                                         case MonitorDisk:
 411                                                 tdact->set_active (true);
 412                                                 break;
 413                                         case MonitorInput:
 414                                                 tiact->set_active (true);
 415                                                 break;
 416                                         default:
 417                                                 tdact->set_active (false);
 418                                                 tiact->set_active (false);
 419                                                 break;
 420                                 }
 421                         }
 422                 }
 423         } else if (p == "punch-out") {
 424                 ActionManager::map_some_state ("Transport", "TogglePunchOut", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_out));
 425                 if (!_session->config.get_punch_out()) {
 426                         unset_dual_punch ();
 427                 }
 428         } else if (p == "punch-in") {
 429                 ActionManager::map_some_state ("Transport", "TogglePunchIn", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_in));
 430                 if (!_session->config.get_punch_in()) {
 431                         unset_dual_punch ();
 432                 }
 433         } else if (p == "clicking") {
 434                 ActionManager::map_some_state ("Transport", "ToggleClick", &RCConfiguration::get_clicking);
 435         } else if (p == "use-video-sync") {
 436                 ActionManager::map_some_state ("Transport",  "ToggleVideoSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_use_video_sync));
 437         } else if (p == "sync-source") {
 438
 439                 synchronize_sync_source_and_video_pullup ();
 440                 set_fps_timeout_connection ();
 441
 442         } else if (p == "show-track-meters") {
 443                 if (editor) editor->toggle_meter_updating();
 444         } else if (p == "primary-clock-delta-edit-cursor") {
 445                 if (UIConfiguration::instance().get_primary_clock_delta_edit_cursor()) {
 446                         primary_clock->set_is_duration (true);
 447                         primary_clock->set_editable (false);
 448                         primary_clock->set_widget_name ("transport delta");
 449                 } else {
 450                         primary_clock->set_is_duration (false);
 451                         primary_clock->set_editable (true);
 452                         primary_clock->set_widget_name ("transport");
 453                 }
 454         } else if (p == "secondary-clock-delta-edit-cursor") {
 455                 if (UIConfiguration::instance().get_secondary_clock_delta_edit_cursor()) {
 456                         secondary_clock->set_is_duration (true);
 457                         secondary_clock->set_editable (false);
 458                         secondary_clock->set_widget_name ("secondary delta");
 459                 } else {
 460                         secondary_clock->set_is_duration (false);
 461                         secondary_clock->set_editable (true);
 462                         secondary_clock->set_widget_name ("secondary");
 463                 }
 464         } else if (p == "super-rapid-clock-update") {
 465                 if (_session) {
 466                         stop_clocking ();
 467                         start_clocking ();
 468                 }
 469         } else if (p == "use-tooltips") {
 470                 /* this doesn't really belong here but it has to go somewhere */
 471                 if (UIConfiguration::instance().get_use_tooltips()) {
 472                         Gtkmm2ext::enable_tooltips ();
 473                 } else {
 474                         Gtkmm2ext::disable_tooltips ();
 475                 }
 476         } else if (p == "waveform-gradient-depth") {
 477                 ArdourCanvas::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
 478         } else if (p == "show-mini-timeline") {
 479                 repack_transport_hbox ();
 480         } else if (p == "show-toolbar-selclock") {
 481                 repack_transport_hbox ();
 482         } else if (p == "show-editor-meter") {
 483                 repack_transport_hbox ();
 484         } else if (p == "show-secondary-clock") {
 485                 update_clock_visibility ();
 486         } else if (p == "waveform-scale") {
 487                 ArdourCanvas::WaveView::set_global_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
 488         } else if (p == "widget-prelight") {
 489                 CairoWidget::set_widget_prelight (UIConfiguration::instance().get_widget_prelight());
 490         } else if (p == "waveform-shape") {
 491                 ArdourCanvas::WaveView::set_global_shape (UIConfiguration::instance().get_waveform_shape() == Rectified
 492                                 ? ArdourCanvas::WaveView::Rectified : ArdourCanvas::WaveView::Normal);
 493         } else if (p == "show-waveform-clipping") {
 494                 ArdourCanvas::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
 495         } else if (p == "waveform-cache-size") {
 496                 /* GUI option has units of megabytes; image cache uses units of bytes */
 497                 ArdourCanvas::WaveView::set_image_cache_size (UIConfiguration::instance().get_waveform_cache_size() * 1048576);
 498         } else if (p == "use-wm-visibility") {
 499                 VisibilityTracker::set_use_window_manager_visibility (UIConfiguration::instance().get_use_wm_visibility());
 500         } else if (p == "action-table-columns") {
 501                 const uint32_t cols = UIConfiguration::instance().get_action_table_columns ();
 502                 for (int i = 0; i < 9; ++i) {
 503                         const int col = i / 2;
 504                         if (cols & (1<<col)) {
 505                                 action_script_call_btn[i].show();
 506                         } else {
 507                                 action_script_call_btn[i].hide();
 508                         }
 509                 }
 510         } else if (p == "layered-record-mode") {
 511                 layered_button.set_active (_session->config.get_layered_record_mode ());
 512         } else if (p == "show-waveform-clipping") {
 513                 ArdourCanvas::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
 514         } else if (p == "waveform-gradient-depth") {
 515                 ArdourCanvas::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
 516         } else if (p == "flat-buttons") {
 517                 bool flat = UIConfiguration::instance().get_flat_buttons();
 518                 if (ArdourButton::flat_buttons () != flat) {
 519                         ArdourButton::set_flat_buttons (flat);
 520                         /* force a redraw */
 521                         gtk_rc_reset_styles (gtk_settings_get_default());
 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_frame(), true);
 556                 secondary_clock->set (_session->audible_frame(), 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