Translatable Metronome tooltip, formatting and typo fix.
[ardour.git] / 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         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                         auto_loop_button.set_sensitive (true);
357                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (true);
358                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (true);
359                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (true);
360                 } else {
361                         sync_button.set_text (sync_source_to_string (Config->get_sync_source(), true));
362                         if (_session && _session->locations()->auto_loop_location()) {
363                                 // disable looping with external sync.
364                                 // This is not necessary because session-transport ignores the loop-state,
365                                 // but makes it clear to the user that it's disabled.
366                                 _session->request_play_loop (false, false);
367                         }
368                         auto_loop_button.set_sensitive (false);
369                         /* XXX we need to make sure that auto-play is off as well as insensitive */
370                         ActionManager::get_action ("Transport", "ToggleAutoPlay")->set_sensitive (false);
371                         ActionManager::get_action ("Transport", "ToggleAutoReturn")->set_sensitive (false);
372                         ActionManager::get_action ("Transport", "ToggleFollowEdits")->set_sensitive (false);
373                 }
374
375         } else if (p == "follow-edits") {
376
377                 ActionManager::map_some_state ("Transport", "ToggleFollowEdits", &UIConfiguration::get_follow_edits);
378
379         } else if (p == "send-mtc") {
380
381                 ActionManager::map_some_state ("Options", "SendMTC", &RCConfiguration::get_send_mtc);
382
383         } else if (p == "send-mmc") {
384
385                 ActionManager::map_some_state ("Options", "SendMMC", &RCConfiguration::get_send_mmc);
386
387         } else if (p == "mmc-control") {
388                 ActionManager::map_some_state ("Options", "UseMMC", &RCConfiguration::get_mmc_control);
389         } else if (p == "auto-play") {
390                 ActionManager::map_some_state ("Transport", "ToggleAutoPlay", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_play));
391         } else if (p == "auto-return") {
392                 ActionManager::map_some_state ("Transport", "ToggleAutoReturn", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_return));
393         } else if (p == "auto-input") {
394                 ActionManager::map_some_state ("Transport", "ToggleAutoInput", sigc::mem_fun (_session->config, &SessionConfiguration::get_auto_input));
395         } else if (p == "session-monitoring") {
396                 Glib::RefPtr<Action> iact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorIn"));
397                 Glib::RefPtr<Action> dact = ActionManager::get_action (X_("Transport"), X_("SessionMonitorDisk"));
398                 if (iact && dact) {
399                         Glib::RefPtr<ToggleAction> tdact = Glib::RefPtr<ToggleAction>::cast_dynamic(dact);
400                         Glib::RefPtr<ToggleAction> tiact = Glib::RefPtr<ToggleAction>::cast_dynamic(iact);
401                         if (tdact && tiact) {
402                                 switch (_session->config.get_session_monitoring ()) {
403                                         case MonitorDisk:
404                                                 tdact->set_active (true);
405                                                 tiact->set_active (false);
406                                                 break;
407                                         case MonitorInput:
408                                                 tiact->set_active (true);
409                                                 tdact->set_active (false);
410                                                 break;
411                                         default:
412                                                 tdact->set_active (false);
413                                                 tiact->set_active (false);
414                                                 break;
415                                 }
416                         }
417                 }
418         } else if (p == "punch-out") {
419                 ActionManager::map_some_state ("Transport", "TogglePunchOut", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_out));
420                 if (!_session->config.get_punch_out()) {
421                         unset_dual_punch ();
422                 }
423         } else if (p == "punch-in") {
424                 ActionManager::map_some_state ("Transport", "TogglePunchIn", sigc::mem_fun (_session->config, &SessionConfiguration::get_punch_in));
425                 if (!_session->config.get_punch_in()) {
426                         unset_dual_punch ();
427                 }
428         } else if (p == "clicking") {
429                 ActionManager::map_some_state ("Transport", "ToggleClick", &RCConfiguration::get_clicking);
430         } else if (p == "use-video-sync") {
431                 ActionManager::map_some_state ("Transport",  "ToggleVideoSync", sigc::mem_fun (_session->config, &SessionConfiguration::get_use_video_sync));
432         } else if (p == "sync-source") {
433
434                 synchronize_sync_source_and_video_pullup ();
435                 set_fps_timeout_connection ();
436
437         } else if (p == "show-track-meters") {
438                 if (editor) editor->toggle_meter_updating();
439         } else if (p == "primary-clock-delta-edit-cursor") {
440                 if (UIConfiguration::instance().get_primary_clock_delta_edit_cursor()) {
441                         primary_clock->set_is_duration (true);
442                         primary_clock->set_editable (false);
443                         primary_clock->set_widget_name ("transport delta");
444                 } else {
445                         primary_clock->set_is_duration (false);
446                         primary_clock->set_editable (true);
447                         primary_clock->set_widget_name ("transport");
448                 }
449         } else if (p == "secondary-clock-delta-edit-cursor") {
450                 if (UIConfiguration::instance().get_secondary_clock_delta_edit_cursor()) {
451                         secondary_clock->set_is_duration (true);
452                         secondary_clock->set_editable (false);
453                         secondary_clock->set_widget_name ("secondary delta");
454                 } else {
455                         secondary_clock->set_is_duration (false);
456                         secondary_clock->set_editable (true);
457                         secondary_clock->set_widget_name ("secondary");
458                 }
459         } else if (p == "super-rapid-clock-update") {
460                 if (_session) {
461                         stop_clocking ();
462                         start_clocking ();
463                 }
464         } else if (p == "use-tooltips") {
465                 /* this doesn't really belong here but it has to go somewhere */
466                 if (UIConfiguration::instance().get_use_tooltips()) {
467                         Gtkmm2ext::enable_tooltips ();
468                 } else {
469                         Gtkmm2ext::disable_tooltips ();
470                 }
471         } else if (p == "waveform-gradient-depth") {
472                 ArdourCanvas::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
473         } else if (p == "show-mini-timeline") {
474                 repack_transport_hbox ();
475         } else if (p == "show-toolbar-recpunch") {
476                 repack_transport_hbox ();
477         } else if (p == "show-toolbar-monitoring") {
478                 repack_transport_hbox ();
479         } else if (p == "show-toolbar-selclock") {
480                 repack_transport_hbox ();
481         } else if (p == "show-editor-meter") {
482                 repack_transport_hbox ();
483         } else if (p == "show-secondary-clock") {
484                 update_clock_visibility ();
485         } else if (p == "waveform-scale") {
486                 ArdourCanvas::WaveView::set_global_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
487         } else if (p == "widget-prelight") {
488                 CairoWidget::set_widget_prelight (UIConfiguration::instance().get_widget_prelight());
489         } else if (p == "waveform-shape") {
490                 ArdourCanvas::WaveView::set_global_shape (UIConfiguration::instance().get_waveform_shape() == Rectified
491                                 ? ArdourCanvas::WaveView::Rectified : ArdourCanvas::WaveView::Normal);
492         } else if (p == "show-waveform-clipping") {
493                 ArdourCanvas::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
494         } else if (p == "waveform-cache-size") {
495                 /* GUI option has units of megabytes; image cache uses units of bytes */
496                 ArdourCanvas::WaveView::set_image_cache_size (UIConfiguration::instance().get_waveform_cache_size() * 1048576);
497         } else if (p == "use-wm-visibility") {
498                 VisibilityTracker::set_use_window_manager_visibility (UIConfiguration::instance().get_use_wm_visibility());
499         } else if (p == "action-table-columns") {
500                 const uint32_t cols = UIConfiguration::instance().get_action_table_columns ();
501                 for (int i = 0; i < 9; ++i) {
502                         const int col = i / 2;
503                         if (cols & (1<<col)) {
504                                 action_script_call_btn[i].show();
505                         } else {
506                                 action_script_call_btn[i].hide();
507                         }
508                 }
509         } else if (p == "layered-record-mode") {
510                 layered_button.set_active (_session->config.get_layered_record_mode ());
511         } else if (p == "show-waveform-clipping") {
512                 ArdourCanvas::WaveView::set_global_show_waveform_clipping (UIConfiguration::instance().get_show_waveform_clipping());
513         } else if (p == "waveform-gradient-depth") {
514                 ArdourCanvas::WaveView::set_global_gradient_depth (UIConfiguration::instance().get_waveform_gradient_depth());
515         } else if (p == "flat-buttons") {
516                 bool flat = UIConfiguration::instance().get_flat_buttons();
517                 if (ArdourButton::flat_buttons () != flat) {
518                         ArdourButton::set_flat_buttons (flat);
519                         /* force a redraw */
520                         gtk_rc_reset_styles (gtk_settings_get_default());
521                 }
522         } else if (p == "click-gain") {
523                 float gain_db = accurate_coefficient_to_dB (Config->get_click_gain());
524                 char tmp[32];
525                 snprintf(tmp, 31, "%+.1f", gain_db);
526                 set_tip (click_button, string_compose (_("Enable/Disable metronome\n\nRight-click to access preferences\nMouse-wheel to modify level\nSignal Level: %1 dBFS"), tmp));
527         }
528 }
529
530 void
531 ARDOUR_UI::session_parameter_changed (std::string p)
532 {
533         if (p == "native-file-data-format" || p == "native-file-header-format") {
534                 update_format ();
535         } else if (p == "timecode-format") {
536                 set_fps_timeout_connection ();
537         } else if (p == "video-pullup" || p == "timecode-format") {
538                 set_fps_timeout_connection ();
539
540                 synchronize_sync_source_and_video_pullup ();
541                 reset_main_clocks ();
542                 editor->queue_visual_videotimeline_update();
543         } else if (p == "track-name-number") {
544                 /* DisplaySuspender triggers _route->redisplay() when going out of scope
545                  * which eventually calls reset_controls_layout_width() and re-sets the
546                  * track-header width.
547                  * see also RouteTimeAxisView::update_track_number_visibility()
548                  */
549                 DisplaySuspender ds;
550         }
551 }
552
553 void
554 ARDOUR_UI::reset_main_clocks ()
555 {
556         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::reset_main_clocks)
557
558         if (_session) {
559                 primary_clock->set (_session->audible_frame(), true);
560                 secondary_clock->set (_session->audible_frame(), true);
561         } else {
562                 primary_clock->set (0, true);
563                 secondary_clock->set (0, true);
564         }
565 }
566
567 void
568 ARDOUR_UI::synchronize_sync_source_and_video_pullup ()
569 {
570         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
571
572         if (!act) {
573                 return;
574         }
575
576         if (!_session) {
577                 goto just_label;
578         }
579
580         if (_session->config.get_video_pullup() == 0.0f) {
581                 /* with no video pull up/down, any sync source is OK */
582                 act->set_sensitive (true);
583         } else {
584                 /* can't sync to JACK if video pullup != 0.0 */
585                 if (Config->get_sync_source() == Engine) {
586                         act->set_sensitive (false);
587                 } else {
588                         act->set_sensitive (true);
589                 }
590         }
591
592         /* XXX should really be able to set the video pull up
593            action to insensitive/sensitive, but there is no action.
594            FIXME
595         */
596
597   just_label:
598         if (act->get_sensitive ()) {
599                 set_tip (sync_button, _("Enable/Disable external positional sync"));
600         } else {
601                 set_tip (sync_button, _("Sync to JACK is not possible: video pull up/down is set"));
602         }
603
604 }
605