fix NSM initialization.
[ardour.git] / gtk2_ardour / ardour_ui.cc
1 /*
2     Copyright (C) 1999-2013 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 <stdint.h>
25
26 #include <algorithm>
27 #include <cmath>
28 #include <fcntl.h>
29 #include <signal.h>
30 #include <unistd.h>
31 #include <time.h>
32 #include <cerrno>
33 #include <fstream>
34
35 #include <iostream>
36
37 #include <sys/resource.h>
38 #include <sys/types.h>
39 #include <sys/sysctl.h>
40
41 #include <gtkmm/messagedialog.h>
42 #include <gtkmm/accelmap.h>
43
44 #include "pbd/error.h"
45 #include "pbd/basename.h"
46 #include "pbd/compose.h"
47 #include "pbd/failed_constructor.h"
48 #include "pbd/enumwriter.h"
49 #include "pbd/memento_command.h"
50 #include "pbd/openuri.h"
51 #include "pbd/file_utils.h"
52
53 #include "gtkmm2ext/application.h"
54 #include "gtkmm2ext/bindings.h"
55 #include "gtkmm2ext/gtk_ui.h"
56 #include "gtkmm2ext/utils.h"
57 #include "gtkmm2ext/click_box.h"
58 #include "gtkmm2ext/fastmeter.h"
59 #include "gtkmm2ext/popup.h"
60 #include "gtkmm2ext/window_title.h"
61
62 #include "midi++/manager.h"
63
64 #include "ardour/ardour.h"
65 #include "ardour/audioengine.h"
66 #include "ardour/audiofilesource.h"
67 #include "ardour/automation_watch.h"
68 #include "ardour/diskstream.h"
69 #include "ardour/filename_extensions.h"
70 #include "ardour/filesystem_paths.h"
71 #include "ardour/port.h"
72 #include "ardour/process_thread.h"
73 #include "ardour/profile.h"
74 #include "ardour/recent_sessions.h"
75 #include "ardour/session_directory.h"
76 #include "ardour/session_route.h"
77 #include "ardour/session_state_utils.h"
78 #include "ardour/session_utils.h"
79 #include "ardour/slave.h"
80
81 #include "timecode/time.h"
82
83 typedef uint64_t microseconds_t;
84
85 #include "about.h"
86 #include "actions.h"
87 #include "add_route_dialog.h"
88 #include "ambiguous_file_dialog.h"
89 #include "ardour_ui.h"
90 #include "audio_clock.h"
91 #include "bundle_manager.h"
92 #include "engine_dialog.h"
93 #include "gain_meter.h"
94 #include "global_port_matrix.h"
95 #include "gui_object.h"
96 #include "gui_thread.h"
97 #include "keyboard.h"
98 #include "location_ui.h"
99 #include "main_clock.h"
100 #include "missing_file_dialog.h"
101 #include "missing_plugin_dialog.h"
102 #include "mixer_ui.h"
103 #include "mouse_cursors.h"
104 #include "opts.h"
105 #include "pingback.h"
106 #include "processor_box.h"
107 #include "prompter.h"
108 #include "public_editor.h"
109 #include "route_time_axis.h"
110 #include "session_metadata_dialog.h"
111 #include "shuttle_control.h"
112 #include "speaker_dialog.h"
113 #include "splash.h"
114 #include "startup.h"
115 #include "theme_manager.h"
116 #include "time_axis_view_item.h"
117 #include "utils.h"
118 #include "window_proxy.h"
119 #ifdef WITH_VIDEOTIMELINE
120 #include "video_server_dialog.h"
121 #include "add_video_dialog.h"
122 #include "transcode_video_dialog.h"
123 #include "system_exec.h" /* to launch video-server */
124 #endif
125
126 #include "i18n.h"
127
128 using namespace ARDOUR;
129 using namespace PBD;
130 using namespace Gtkmm2ext;
131 using namespace Gtk;
132 using namespace std;
133
134 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
135 UIConfiguration *ARDOUR_UI::ui_config = 0;
136
137 sigc::signal<void,bool> ARDOUR_UI::Blink;
138 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
139 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
140 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
141
142 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
143
144         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
145
146         , gui_object_state (new GUIObjectState)
147         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
148         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
149
150           /* big clock */
151
152         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
153
154           /* transport */
155
156         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
157         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
158         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
159         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
160         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
161         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
162         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
163
164         , auto_return_button (ArdourButton::led_default_elements)
165         , follow_edits_button (ArdourButton::led_default_elements)
166         , auto_input_button (ArdourButton::led_default_elements)
167
168         , auditioning_alert_button (_("audition"))
169         , solo_alert_button (_("solo"))
170         , feedback_alert_button (_("feedback"))
171
172         , error_log_button (_("Errors"))
173
174         , _status_bar_visibility (X_("status-bar"))
175         , _feedback_exists (false)
176
177 {
178         Gtkmm2ext::init(localedir);
179
180         about = 0;
181         splash = 0;
182         _startup = 0;
183
184         if (theArdourUI == 0) {
185                 theArdourUI = this;
186         }
187
188         ui_config = new UIConfiguration();
189         theme_manager = new ThemeManager();
190
191         key_editor = 0;
192
193         editor = 0;
194         mixer = 0;
195         editor = 0;
196         engine = 0;
197         _session_is_new = false;
198         big_clock_window = 0;
199         big_clock_height = 0;
200         big_clock_resize_in_progress = false;
201         session_selector_window = 0;
202         last_key_press_time = 0;
203         add_route_dialog = 0;
204 #ifdef WITH_VIDEOTIMELINE
205         add_video_dialog = 0;
206         video_server_process = 0;
207 #endif
208         route_params = 0;
209         bundle_manager = 0;
210         rc_option_editor = 0;
211         session_option_editor = 0;
212         location_ui = 0;
213         open_session_selector = 0;
214         have_configure_timeout = false;
215         have_disk_speed_dialog_displayed = false;
216         session_loaded = false;
217         ignore_dual_punch = false;
218         original_big_clock_width = -1;
219         original_big_clock_height = -1;
220         original_big_clock_font_size = 0;
221
222         roll_button.set_controllable (roll_controllable);
223         stop_button.set_controllable (stop_controllable);
224         goto_start_button.set_controllable (goto_start_controllable);
225         goto_end_button.set_controllable (goto_end_controllable);
226         auto_loop_button.set_controllable (auto_loop_controllable);
227         play_selection_button.set_controllable (play_selection_controllable);
228         rec_button.set_controllable (rec_controllable);
229
230         roll_button.set_name ("transport button");
231         stop_button.set_name ("transport button");
232         goto_start_button.set_name ("transport button");
233         goto_end_button.set_name ("transport button");
234         auto_loop_button.set_name ("transport button");
235         play_selection_button.set_name ("transport button");
236         rec_button.set_name ("transport recenable button");
237         midi_panic_button.set_name ("transport button");
238
239         goto_start_button.set_tweaks (ArdourButton::ShowClick);
240         goto_end_button.set_tweaks (ArdourButton::ShowClick);
241         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
242         
243         last_configure_time= 0;
244         last_peak_grab = 0;
245
246         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
247         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
248
249         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
250
251         /* handle dialog requests */
252
253         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
254
255         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
256
257         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
258
259         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
260
261         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
262
263         /* handle requests to quit (coming from JACK session) */
264
265         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
266
267         /* tell the user about feedback */
268
269         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
270         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
271
272         /* handle requests to deal with missing files */
273
274         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
275
276         /* and ambiguous files */
277
278         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
279
280         /* lets get this party started */
281
282         try {
283                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
284                         throw failed_constructor ();
285                 }
286
287                 setup_gtk_ardour_enums ();
288                 setup_profile ();
289
290                 SessionEvent::create_per_thread_pool ("GUI", 512);
291
292         } catch (failed_constructor& err) {
293                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
294                 // pass it on up
295                 throw;
296         }
297
298         /* we like keyboards */
299
300         keyboard = new ArdourKeyboard(*this);
301
302         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
303         if (node) {
304                 keyboard->set_state (*node, Stateful::loading_state_version);
305         }
306
307         /* we don't like certain modifiers */
308         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
309
310         reset_dpi();
311
312         TimeAxisViewItem::set_constant_heights ();
313
314         /* The following must happen after ARDOUR::init() so that Config is set up */
315
316         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
317         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
318         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
319
320         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
321                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
322                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
323                         Config->extra_xml (X_("UI")),
324                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
325                         );
326         }
327
328         setup_clock ();
329
330         SpeakerDialog* s = new SpeakerDialog ();
331         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
332         speaker_config_window->set (s);
333
334         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
335         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
336
337         _process_thread = new ProcessThread ();
338         _process_thread->init ();
339
340         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
341 }
342
343
344 int
345 ARDOUR_UI::create_engine ()
346 {
347         // this gets called every time by new_session()
348
349         if (engine) {
350                 return 0;
351         }
352
353         loading_message (_("Starting audio engine"));
354
355         try {
356                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
357
358         } catch (...) {
359
360                 return -1;
361         }
362
363         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
364         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
365         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
366
367         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
368
369         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
370
371         post_engine ();
372
373         return 0;
374 }
375
376 void
377 ARDOUR_UI::post_engine ()
378 {
379         /* Things to be done once we create the AudioEngine
380          */
381
382         ARDOUR::init_post_engine ();
383
384         /* load up the UI manager */
385
386         ActionManager::init ();
387
388         _tooltips.enable();
389
390         if (setup_windows ()) {
391                 throw failed_constructor ();
392         }
393
394         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
395         XMLNode* n = Config->extra_xml (X_("UI"));
396         if (n) {
397                 _status_bar_visibility.set_state (*n);
398         }
399         
400         check_memory_locking();
401
402         /* this is the first point at which all the keybindings are available */
403
404         if (ARDOUR_COMMAND_LINE::show_key_actions) {
405                 vector<string> names;
406                 vector<string> paths;
407                 vector<string> tooltips;
408                 vector<string> keys;
409                 vector<AccelKey> bindings;
410
411                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
412
413                 vector<string>::iterator n;
414                 vector<string>::iterator k;
415                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
416                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
417                 }
418
419                 exit (0);
420         }
421
422         blink_timeout_tag = -1;
423
424         /* this being a GUI and all, we want peakfiles */
425
426         AudioFileSource::set_build_peakfiles (true);
427         AudioFileSource::set_build_missing_peakfiles (true);
428
429         /* set default clock modes */
430
431         if (Profile->get_sae()) {
432                 primary_clock->set_mode (AudioClock::BBT);
433                 secondary_clock->set_mode (AudioClock::MinSec);
434         }  else {
435                 primary_clock->set_mode (AudioClock::Timecode);
436                 secondary_clock->set_mode (AudioClock::BBT);
437         }
438
439         /* start the time-of-day-clock */
440
441 #ifndef GTKOSX
442         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
443         update_wall_clock ();
444         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
445 #endif
446
447         update_disk_space ();
448         update_cpu_load ();
449         update_sample_rate (engine->frame_rate());
450         update_timecode_format ();
451
452         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
453         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
454         Config->map_parameters (pc);
455
456         /* now start and maybe save state */
457
458         if (do_engine_start () == 0) {
459                 if (_session && _session_is_new) {
460                         /* we need to retain initial visual
461                            settings for a new session
462                         */
463                         _session->save_state ("");
464                 }
465         }
466 }
467
468 ARDOUR_UI::~ARDOUR_UI ()
469 {
470         delete keyboard;
471         delete editor;
472         delete mixer;
473         delete add_route_dialog;
474 #ifdef WITH_VIDEOTIMELINE
475         if (add_video_dialog) delete add_video_dialog;
476         stop_video_server();
477 #endif
478 }
479
480 void
481 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
482 {
483         if (Splash::instance()) {
484                 Splash::instance()->pop_back_for (win);
485         }
486 }
487
488 gint
489 ARDOUR_UI::configure_timeout ()
490 {
491         if (last_configure_time == 0) {
492                 /* no configure events yet */
493                 return true;
494         }
495
496         /* force a gap of 0.5 seconds since the last configure event
497          */
498
499         if (get_microseconds() - last_configure_time < 500000) {
500                 return true;
501         } else {
502                 have_configure_timeout = false;
503                 save_ardour_state ();
504                 return false;
505         }
506 }
507
508 gboolean
509 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
510 {
511         if (have_configure_timeout) {
512                 last_configure_time = get_microseconds();
513         } else {
514                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
515                 have_configure_timeout = true;
516         }
517
518         return FALSE;
519 }
520
521 void
522 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
523 {
524         const XMLProperty* prop;
525
526         if ((prop = node.property ("roll")) != 0) {
527                 roll_controllable->set_id (prop->value());
528         }
529         if ((prop = node.property ("stop")) != 0) {
530                 stop_controllable->set_id (prop->value());
531         }
532         if ((prop = node.property ("goto-start")) != 0) {
533                 goto_start_controllable->set_id (prop->value());
534         }
535         if ((prop = node.property ("goto-end")) != 0) {
536                 goto_end_controllable->set_id (prop->value());
537         }
538         if ((prop = node.property ("auto-loop")) != 0) {
539                 auto_loop_controllable->set_id (prop->value());
540         }
541         if ((prop = node.property ("play-selection")) != 0) {
542                 play_selection_controllable->set_id (prop->value());
543         }
544         if ((prop = node.property ("rec")) != 0) {
545                 rec_controllable->set_id (prop->value());
546         }
547         if ((prop = node.property ("shuttle")) != 0) {
548                 shuttle_box->controllable()->set_id (prop->value());
549         }
550 }
551
552 XMLNode&
553 ARDOUR_UI::get_transport_controllable_state ()
554 {
555         XMLNode* node = new XMLNode(X_("TransportControllables"));
556         char buf[64];
557
558         roll_controllable->id().print (buf, sizeof (buf));
559         node->add_property (X_("roll"), buf);
560         stop_controllable->id().print (buf, sizeof (buf));
561         node->add_property (X_("stop"), buf);
562         goto_start_controllable->id().print (buf, sizeof (buf));
563         node->add_property (X_("goto_start"), buf);
564         goto_end_controllable->id().print (buf, sizeof (buf));
565         node->add_property (X_("goto_end"), buf);
566         auto_loop_controllable->id().print (buf, sizeof (buf));
567         node->add_property (X_("auto_loop"), buf);
568         play_selection_controllable->id().print (buf, sizeof (buf));
569         node->add_property (X_("play_selection"), buf);
570         rec_controllable->id().print (buf, sizeof (buf));
571         node->add_property (X_("rec"), buf);
572         shuttle_box->controllable()->id().print (buf, sizeof (buf));
573         node->add_property (X_("shuttle"), buf);
574
575         return *node;
576 }
577
578
579 gint
580 ARDOUR_UI::autosave_session ()
581 {
582         if (g_main_depth() > 1) {
583                 /* inside a recursive main loop,
584                    give up because we may not be able to
585                    take a lock.
586                 */
587                 return 1;
588         }
589
590         if (!Config->get_periodic_safety_backups()) {
591                 return 1;
592         }
593
594         if (_session) {
595                 _session->maybe_write_autosave();
596         }
597
598         return 1;
599 }
600
601 void
602 ARDOUR_UI::update_autosave ()
603 {
604         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
605
606         if (_session && _session->dirty()) {
607                 if (_autosave_connection.connected()) {
608                         _autosave_connection.disconnect();
609                 }
610
611                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
612                                 Config->get_periodic_safety_backup_interval() * 1000);
613
614         } else {
615                 if (_autosave_connection.connected()) {
616                         _autosave_connection.disconnect();
617                 }
618         }
619 }
620
621 void
622 ARDOUR_UI::check_announcements ()
623 {
624 #ifdef PHONE_HOME
625         string _annc_filename;
626
627 #ifdef __APPLE__
628         _annc_filename = PROGRAM_NAME "_announcements_osx_";
629 #else
630         _annc_filename = PROGRAM_NAME "_announcements_linux_";
631 #endif
632         _annc_filename.append (VERSIONSTRING);
633
634         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
635         std::ifstream announce_file (path.c_str());
636         if ( announce_file.fail() )
637                 _announce_string = "";
638         else {
639                 std::stringstream oss;
640                 oss << announce_file.rdbuf();
641                 _announce_string = oss.str();
642         }
643
644         pingback (VERSIONSTRING, path);
645 #endif
646 }
647
648 void
649 ARDOUR_UI::startup ()
650 {
651         Application* app = Application::instance ();
652         char *nsm_url;
653         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
654         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
655
656         if (ARDOUR_COMMAND_LINE::check_announcements) {
657                 check_announcements ();
658         }
659
660         app->ready ();
661
662         nsm_url = getenv ("NSM_URL");
663         nsm = 0;
664
665         if (nsm_url) {
666                 nsm = new NSM_Client;
667                 if (!nsm->init (nsm_url)) {
668                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
669
670                         // wait for announce reply from nsm server
671                         do {
672                                 nsm->check ();
673                                 usleep (10);
674                         } while (!nsm->is_active ());
675                         // wait for open command from nsm server
676                         do {
677                                 nsm->check ();
678                                 usleep (10);
679                         } while (!nsm->client_id ());
680
681                         if (_session && nsm) {
682                                 _session->set_nsm_state( nsm->is_active() );
683                         }
684
685                         // nsm requires these actions disabled
686                         vector<string> action_names;
687                         action_names.push_back("Snapshot");
688                         action_names.push_back("SaveAs");
689                         action_names.push_back("Rename");
690                         action_names.push_back("New");
691                         action_names.push_back("Open");
692                         action_names.push_back("Recent");
693                         action_names.push_back("Close");
694
695                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
696                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
697                                 if (act) {
698                                         act->set_sensitive (false);
699                                 }
700                         }
701
702                         // wait for session is loaded reply from nsm server
703                         do {
704                                 nsm->check ();
705                                 usleep (10);
706                         } while (!nsm->session_loaded ());
707
708                 }
709                 else {
710                         delete nsm;
711                         nsm = 0;
712                 }
713         }
714
715         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
716                 exit (1);
717         }
718
719         use_config ();
720
721         goto_editor_window ();
722
723         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
724            to be opened on top of the editor window that goto_editor_window() just opened.
725         */
726         add_window_proxy (location_ui);
727         add_window_proxy (big_clock_window);
728         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
729                 add_window_proxy (_global_port_matrix[*i]);
730         }
731
732         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
733          * editor window, and we may want stuff to be hidden.
734          */
735         _status_bar_visibility.update ();
736
737         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
738 }
739
740 void
741 ARDOUR_UI::no_memory_warning ()
742 {
743         XMLNode node (X_("no-memory-warning"));
744         Config->add_instant_xml (node);
745 }
746
747 void
748 ARDOUR_UI::check_memory_locking ()
749 {
750 #ifdef __APPLE__
751         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
752         return;
753 #else // !__APPLE__
754
755         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
756
757         if (engine->is_realtime() && memory_warning_node == 0) {
758
759                 struct rlimit limits;
760                 int64_t ram;
761                 long pages, page_size;
762 #ifdef __FreeBSD__
763                 size_t pages_len=sizeof(pages);
764                 if ((page_size = getpagesize()) < 0 ||
765                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
766 #else
767                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
768 #endif
769                 {
770                         ram = 0;
771                 } else {
772                         ram = (int64_t) pages * (int64_t) page_size;
773                 }
774
775                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
776                         return;
777                 }
778
779                 if (limits.rlim_cur != RLIM_INFINITY) {
780
781                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
782
783                                 MessageDialog msg (
784                                         string_compose (
785                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
786                                                   "This might cause %1 to run out of memory before your system "
787                                                   "runs out of memory. \n\n"
788                                                   "You can view the memory limit with 'ulimit -l', "
789                                                   "and it is normally controlled by %2"),
790                                                 PROGRAM_NAME).c_str(), 
791 #ifdef __FreeBSD__
792                                         X_("/etc/login.conf")
793 #else
794                                         X_(" /etc/security/limits.conf")
795 #endif
796                                         );
797
798                                 msg.set_default_response (RESPONSE_OK);
799
800                                 VBox* vbox = msg.get_vbox();
801                                 HBox hbox;
802                                 CheckButton cb (_("Do not show this window again"));
803
804                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
805                                 
806                                 hbox.pack_start (cb, true, false);
807                                 vbox->pack_start (hbox);
808                                 cb.show();
809                                 vbox->show();
810                                 hbox.show ();
811
812                                 pop_back_splash (msg);
813
814                                 editor->ensure_float (msg);
815                                 msg.run ();
816                         }
817                 }
818         }
819 #endif // !__APPLE__
820 }
821
822
823 void
824 ARDOUR_UI::queue_finish ()
825 {
826         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
827 }
828
829 bool
830 ARDOUR_UI::idle_finish ()
831 {
832         finish ();
833         return false; /* do not call again */
834 }
835
836 void
837 ARDOUR_UI::finish()
838 {
839 #ifdef WITH_VIDEOTIMELINE
840         /* close video-monitor & pending requests
841          * would better be done in ~Editor() but that is not called..
842          */
843         ARDOUR_UI::instance()->video_timeline->close_session();
844 #endif
845         if (_session) {
846
847                 if (_session->dirty()) {
848                         vector<string> actions;
849                         actions.push_back (_("Don't quit"));
850                         actions.push_back (_("Just quit"));
851                         actions.push_back (_("Save and quit"));
852                         switch (ask_about_saving_session(actions)) {
853                         case -1:
854                                 return;
855                                 break;
856                         case 1:
857                                 /* use the default name */
858                                 if (save_state_canfail ("")) {
859                                         /* failed - don't quit */
860                                         MessageDialog msg (*editor,
861                                                            string_compose (_("\
862 %1 was unable to save your session.\n\n\
863 If you still wish to quit, please use the\n\n\
864 \"Just quit\" option."), PROGRAM_NAME));
865                                         pop_back_splash(msg);
866                                         msg.run ();
867                                         return;
868                                 }
869                                 break;
870                         case 0:
871                                 break;
872                         }
873                 }
874
875                 second_connection.disconnect ();
876                 point_one_second_connection.disconnect ();
877                 point_oh_five_second_connection.disconnect ();
878                 point_zero_one_second_connection.disconnect();
879         }
880
881 #ifdef WITH_VIDEOTIMELINE
882         delete ARDOUR_UI::instance()->video_timeline;
883         stop_video_server();
884 #endif
885
886         /* Save state before deleting the session, as that causes some
887            windows to be destroyed before their visible state can be
888            saved.
889         */
890         save_ardour_state ();
891
892         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
893
894         if (_session) {
895                 // _session->set_deletion_in_progress ();
896                 _session->set_clean ();
897                 _session->remove_pending_capture_state ();
898                 delete _session;
899                 _session = 0;
900         }
901
902         ArdourDialog::close_all_dialogs ();
903         engine->stop (true);
904         quit ();
905 }
906
907 int
908 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
909 {
910         ArdourDialog window (_("Unsaved Session"));
911         Gtk::HBox dhbox;  // the hbox for the image and text
912         Gtk::Label  prompt_label;
913         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
914
915         string msg;
916
917         assert (actions.size() >= 3);
918
919         window.add_button (actions[0], RESPONSE_REJECT);
920         window.add_button (actions[1], RESPONSE_APPLY);
921         window.add_button (actions[2], RESPONSE_ACCEPT);
922
923         window.set_default_response (RESPONSE_ACCEPT);
924
925         Gtk::Button noquit_button (msg);
926         noquit_button.set_name ("EditorGTKButton");
927
928         string prompt;
929
930         if (_session->snap_name() == _session->name()) {
931                 prompt = string_compose(_("The session \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
932                                         _session->snap_name());
933         } else {
934                 prompt = string_compose(_("The snapshot \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
935                                         _session->snap_name());
936         }
937
938         prompt_label.set_text (prompt);
939         prompt_label.set_name (X_("PrompterLabel"));
940         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
941
942         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
943         dhbox.set_homogeneous (false);
944         dhbox.pack_start (*dimage, false, false, 5);
945         dhbox.pack_start (prompt_label, true, false, 5);
946         window.get_vbox()->pack_start (dhbox);
947
948         window.set_name (_("Prompter"));
949         window.set_position (Gtk::WIN_POS_MOUSE);
950         window.set_modal (true);
951         window.set_resizable (false);
952
953         dhbox.show();
954         prompt_label.show();
955         dimage->show();
956         window.show();
957         window.set_keep_above (true);
958         window.present ();
959
960         ResponseType r = (ResponseType) window.run();
961
962         window.hide ();
963
964         switch (r) {
965         case RESPONSE_ACCEPT: // save and get out of here
966                 return 1;
967         case RESPONSE_APPLY:  // get out of here
968                 return 0;
969         default:
970                 break;
971         }
972
973         return -1;
974 }
975
976
977 gint
978 ARDOUR_UI::every_second ()
979 {
980         update_cpu_load ();
981         update_buffer_load ();
982         update_disk_space ();
983         update_timecode_format ();
984
985         if (nsm && nsm->is_active () && nsm->session_loaded ()) {
986                 nsm->check ();
987
988                 if (!_was_dirty && _session->dirty ()) {
989                         nsm->is_dirty ();
990                         _was_dirty = true;
991                 }
992                 else if (_was_dirty && !_session->dirty ()){
993                         nsm->is_clean ();
994                         _was_dirty = false;
995                 }
996         }
997         return TRUE;
998 }
999
1000 gint
1001 ARDOUR_UI::every_point_one_seconds ()
1002 {
1003         shuttle_box->update_speed_display ();
1004         RapidScreenUpdate(); /* EMIT_SIGNAL */
1005         return TRUE;
1006 }
1007
1008 gint
1009 ARDOUR_UI::every_point_zero_one_seconds ()
1010 {
1011         // august 2007: actual update frequency: 40Hz, not 100Hz
1012
1013         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1014         return TRUE;
1015 }
1016
1017 void
1018 ARDOUR_UI::update_sample_rate (framecnt_t)
1019 {
1020         char buf[64];
1021
1022         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1023
1024         if (!engine->connected()) {
1025
1026                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1027
1028         } else {
1029
1030                 framecnt_t rate = engine->frame_rate();
1031
1032                 if (fmod (rate, 1000.0) != 0.0) {
1033                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1034                                   (float) rate/1000.0f,
1035                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1036                 } else {
1037                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1038                                   rate/1000,
1039                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1040                 }
1041         }
1042
1043         sample_rate_label.set_markup (buf);
1044 }
1045
1046 void
1047 ARDOUR_UI::update_format ()
1048 {
1049         if (!_session) {
1050                 format_label.set_text ("");
1051                 return;
1052         }
1053
1054         stringstream s;
1055         s << _("File:") << X_(" <span foreground=\"green\">");
1056
1057         switch (_session->config.get_native_file_header_format ()) {
1058         case BWF:
1059                 s << _("BWF");
1060                 break;
1061         case WAVE:
1062                 s << _("WAV");
1063                 break;
1064         case WAVE64:
1065                 s << _("WAV64");
1066                 break;
1067         case CAF:
1068                 s << _("CAF");
1069                 break;
1070         case AIFF:
1071                 s << _("AIFF");
1072                 break;
1073         case iXML:
1074                 s << _("iXML");
1075                 break;
1076         case RF64:
1077                 s << _("RF64");
1078                 break;
1079         }
1080
1081         s << " ";
1082         
1083         switch (_session->config.get_native_file_data_format ()) {
1084         case FormatFloat:
1085                 s << _("32-float");
1086                 break;
1087         case FormatInt24:
1088                 s << _("24-int");
1089                 break;
1090         case FormatInt16:
1091                 s << _("16-int");
1092                 break;
1093         }
1094
1095         s << X_("</span>");
1096
1097         format_label.set_markup (s.str ());
1098 }
1099
1100 void
1101 ARDOUR_UI::update_cpu_load ()
1102 {
1103         char buf[64];
1104
1105         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1106            should also be changed.
1107         */
1108
1109         float const c = engine->get_cpu_load ();
1110         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1111         cpu_load_label.set_markup (buf);
1112 }
1113
1114 void
1115 ARDOUR_UI::update_buffer_load ()
1116 {
1117         char buf[256];
1118
1119         uint32_t const playback = _session ? _session->playback_load () : 100;
1120         uint32_t const capture = _session ? _session->capture_load () : 100;
1121
1122         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1123            should also be changed.
1124         */
1125         
1126         if (_session) {
1127                 snprintf (
1128                         buf, sizeof (buf),
1129                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1130                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1131                         playback <= 5 ? X_("red") : X_("green"),
1132                         playback,
1133                         capture <= 5 ? X_("red") : X_("green"),
1134                         capture
1135                         );
1136
1137                 buffer_load_label.set_markup (buf);
1138         } else {
1139                 buffer_load_label.set_text ("");
1140         }
1141 }
1142
1143 void
1144 ARDOUR_UI::count_recenabled_streams (Route& route)
1145 {
1146         Track* track = dynamic_cast<Track*>(&route);
1147         if (track && track->record_enabled()) {
1148                 rec_enabled_streams += track->n_inputs().n_total();
1149         }
1150 }
1151
1152 void
1153 ARDOUR_UI::update_disk_space()
1154 {
1155         if (_session == 0) {
1156                 return;
1157         }
1158
1159         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1160         char buf[64];
1161         framecnt_t fr = _session->frame_rate();
1162
1163         if (!opt_frames) {
1164                 /* Available space is unknown */
1165                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1166         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1167                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1168         } else {
1169                 rec_enabled_streams = 0;
1170                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1171
1172                 framecnt_t frames = opt_frames.get_value_or (0);
1173
1174                 if (rec_enabled_streams) {
1175                         frames /= rec_enabled_streams;
1176                 }
1177
1178                 int hrs;
1179                 int mins;
1180                 int secs;
1181
1182                 hrs  = frames / (fr * 3600);
1183
1184                 if (hrs > 24) {
1185                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1186                 } else {
1187                         frames -= hrs * fr * 3600;
1188                         mins = frames / (fr * 60);
1189                         frames -= mins * fr * 60;
1190                         secs = frames / fr;
1191                         
1192                         bool const low = (hrs == 0 && mins <= 30);
1193                         
1194                         snprintf (
1195                                 buf, sizeof(buf),
1196                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1197                                 low ? X_("red") : X_("green"),
1198                                 hrs, mins, secs
1199                                 );
1200                 }
1201         }
1202
1203         disk_space_label.set_markup (buf);
1204 }
1205
1206 void
1207 ARDOUR_UI::update_timecode_format ()
1208 {
1209         char buf[64];
1210
1211         if (_session) {
1212                 bool matching;
1213                 TimecodeSlave* tcslave;
1214                 SyncSource sync_src = Config->get_sync_source();
1215
1216                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1217                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1218                 } else {
1219                         matching = true;
1220                 }
1221                         
1222                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1223                           matching ? X_("green") : X_("red"),
1224                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1225         } else {
1226                 snprintf (buf, sizeof (buf), "TC: n/a");
1227         }
1228
1229         timecode_format_label.set_markup (buf);
1230 }       
1231
1232 gint
1233 ARDOUR_UI::update_wall_clock ()
1234 {
1235         time_t now;
1236         struct tm *tm_now;
1237         static int last_min = -1;
1238
1239         time (&now);
1240         tm_now = localtime (&now);
1241         if (last_min != tm_now->tm_min) {
1242                 char buf[16];
1243                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1244                 wall_clock_label.set_text (buf);
1245                 last_min = tm_now->tm_min;
1246         }
1247
1248         return TRUE;
1249 }
1250
1251 void
1252 ARDOUR_UI::redisplay_recent_sessions ()
1253 {
1254         std::vector<std::string> session_directories;
1255         RecentSessionsSorter cmp;
1256
1257         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1258         recent_session_model->clear ();
1259
1260         ARDOUR::RecentSessions rs;
1261         ARDOUR::read_recent_sessions (rs);
1262
1263         if (rs.empty()) {
1264                 recent_session_display.set_model (recent_session_model);
1265                 return;
1266         }
1267
1268         // sort them alphabetically
1269         sort (rs.begin(), rs.end(), cmp);
1270
1271         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1272                 session_directories.push_back ((*i).second);
1273         }
1274
1275         for (vector<std::string>::const_iterator i = session_directories.begin();
1276                         i != session_directories.end(); ++i)
1277         {
1278                 std::vector<std::string> state_file_paths;
1279
1280                 // now get available states for this session
1281
1282                 get_state_files_in_directory (*i, state_file_paths);
1283
1284                 vector<string*>* states;
1285                 vector<const gchar*> item;
1286                 string fullpath = *i;
1287
1288                 /* remove any trailing / */
1289
1290                 if (fullpath[fullpath.length() - 1] == '/') {
1291                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1292                 }
1293
1294                 /* check whether session still exists */
1295                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1296                         /* session doesn't exist */
1297                         continue;
1298                 }
1299
1300                 /* now get available states for this session */
1301
1302                 if ((states = Session::possible_states (fullpath)) == 0) {
1303                         /* no state file? */
1304                         continue;
1305                 }
1306
1307                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1308
1309                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1310
1311                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1312                 row[recent_session_columns.fullpath] = fullpath;
1313                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1314
1315                 if (state_file_names.size() > 1) {
1316
1317                         // add the children
1318
1319                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1320                                         i2 != state_file_names.end(); ++i2)
1321                         {
1322
1323                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1324
1325                                 child_row[recent_session_columns.visible_name] = *i2;
1326                                 child_row[recent_session_columns.fullpath] = fullpath;
1327                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1328                         }
1329                 }
1330         }
1331
1332         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1333         recent_session_display.set_model (recent_session_model);
1334 }
1335
1336 void
1337 ARDOUR_UI::build_session_selector ()
1338 {
1339         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1340
1341         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1342
1343         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1344         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1345         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1346         recent_session_model = TreeStore::create (recent_session_columns);
1347         recent_session_display.set_model (recent_session_model);
1348         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1349         recent_session_display.set_headers_visible (false);
1350         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1351         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1352
1353         scroller->add (recent_session_display);
1354         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1355
1356         session_selector_window->set_name ("SessionSelectorWindow");
1357         session_selector_window->set_size_request (200, 400);
1358         session_selector_window->get_vbox()->pack_start (*scroller);
1359
1360         recent_session_display.show();
1361         scroller->show();
1362 }
1363
1364 void
1365 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1366 {
1367         session_selector_window->response (RESPONSE_ACCEPT);
1368 }
1369
1370 void
1371 ARDOUR_UI::open_recent_session ()
1372 {
1373         bool can_return = (_session != 0);
1374
1375         if (session_selector_window == 0) {
1376                 build_session_selector ();
1377         }
1378
1379         redisplay_recent_sessions ();
1380
1381         while (true) {
1382
1383                 session_selector_window->set_position (WIN_POS_MOUSE);
1384
1385                 ResponseType r = (ResponseType) session_selector_window->run ();
1386
1387                 switch (r) {
1388                 case RESPONSE_ACCEPT:
1389                         break;
1390                 default:
1391                         if (can_return) {
1392                                 session_selector_window->hide();
1393                                 return;
1394                         } else {
1395                                 exit (1);
1396                         }
1397                 }
1398
1399                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1400                         continue;
1401                 }
1402
1403                 session_selector_window->hide();
1404
1405                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1406
1407                 if (i == recent_session_model->children().end()) {
1408                         return;
1409                 }
1410
1411                 std::string path = (*i)[recent_session_columns.fullpath];
1412                 std::string state = (*i)[recent_session_columns.visible_name];
1413
1414                 _session_is_new = false;
1415
1416                 if (load_session (path, state) == 0) {
1417                         break;
1418                 }
1419
1420                 can_return = false;
1421         }
1422 }
1423
1424 bool
1425 ARDOUR_UI::check_audioengine ()
1426 {
1427         if (engine) {
1428                 if (!engine->connected()) {
1429                         MessageDialog msg (string_compose (
1430                                                    _("%1 is not connected to JACK\n"
1431                                                      "You cannot open or close sessions in this condition"),
1432                                                    PROGRAM_NAME));
1433                         pop_back_splash (msg);
1434                         msg.run ();
1435                         return false;
1436                 }
1437                 return true;
1438         } else {
1439                 return false;
1440         }
1441 }
1442
1443 void
1444 ARDOUR_UI::open_session ()
1445 {
1446         if (!check_audioengine()) {
1447                 return;
1448
1449         }
1450
1451         /* popup selector window */
1452
1453         if (open_session_selector == 0) {
1454
1455                 /* ardour sessions are folders */
1456
1457                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1458                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1459                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1460                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1461                 
1462                 if (_session) {
1463                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1464                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1465                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1466                         open_session_selector->set_current_folder(session_parent_dir);
1467                 } else {
1468                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1469                 }
1470
1471                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1472
1473                 FileFilter session_filter;
1474                 session_filter.add_pattern ("*.ardour");
1475                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1476                 open_session_selector->add_filter (session_filter);
1477                 open_session_selector->set_filter (session_filter);
1478         }
1479
1480         int response = open_session_selector->run();
1481         open_session_selector->hide ();
1482
1483         switch (response) {
1484         case RESPONSE_ACCEPT:
1485                 break;
1486         default:
1487                 open_session_selector->hide();
1488                 return;
1489         }
1490
1491         open_session_selector->hide();
1492         string session_path = open_session_selector->get_filename();
1493         string path, name;
1494         bool isnew;
1495
1496         if (session_path.length() > 0) {
1497                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1498                         _session_is_new = isnew;
1499                         load_session (path, name);
1500                 }
1501         }
1502 }
1503
1504
1505 void
1506 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group, 
1507                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1508 {
1509         list<boost::shared_ptr<MidiTrack> > tracks;
1510
1511         if (_session == 0) {
1512                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1513                 return;
1514         }
1515
1516         try {
1517                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1518                 
1519                 if (tracks.size() != how_many) {
1520                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1521                 }
1522         }
1523
1524         catch (...) {
1525                 MessageDialog msg (*editor,
1526                                    string_compose (_("There are insufficient JACK ports available\n\
1527 to create a new track or bus.\n\
1528 You should save %1, exit and\n\
1529 restart JACK with more ports."), PROGRAM_NAME));
1530                 msg.run ();
1531         }
1532 }
1533         
1534
1535 void
1536 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1537 {
1538         ChanCount one_midi_channel;
1539         one_midi_channel.set (DataType::MIDI, 1);
1540
1541         if (disk) {
1542                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1543         }
1544 }
1545
1546 void
1547 ARDOUR_UI::session_add_audio_route (
1548         bool track,
1549         int32_t input_channels,
1550         int32_t output_channels,
1551         ARDOUR::TrackMode mode,
1552         RouteGroup* route_group,
1553         uint32_t how_many,
1554         string const & name_template
1555         )
1556 {
1557         list<boost::shared_ptr<AudioTrack> > tracks;
1558         RouteList routes;
1559
1560         if (_session == 0) {
1561                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1562                 return;
1563         }
1564
1565         try {
1566                 if (track) {
1567                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1568
1569                         if (tracks.size() != how_many) {
1570                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many) 
1571                                       << endmsg;
1572                         }
1573
1574                 } else {
1575
1576                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1577
1578                         if (routes.size() != how_many) {
1579                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1580                                       << endmsg;
1581                         }
1582                 }
1583         }
1584
1585         catch (...) {
1586                 MessageDialog msg (*editor,
1587                                    string_compose (_("There are insufficient JACK ports available\n\
1588 to create a new track or bus.\n\
1589 You should save %1, exit and\n\
1590 restart JACK with more ports."), PROGRAM_NAME));
1591                 pop_back_splash (msg);
1592                 msg.run ();
1593         }
1594 }
1595
1596 void
1597 ARDOUR_UI::transport_goto_start ()
1598 {
1599         if (_session) {
1600                 _session->goto_start();
1601
1602                 /* force displayed area in editor to start no matter
1603                    what "follow playhead" setting is.
1604                 */
1605
1606                 if (editor) {
1607                         editor->center_screen (_session->current_start_frame ());
1608                 }
1609         }
1610 }
1611
1612 void
1613 ARDOUR_UI::transport_goto_zero ()
1614 {
1615         if (_session) {
1616                 _session->request_locate (0);
1617
1618                 /* force displayed area in editor to start no matter
1619                    what "follow playhead" setting is.
1620                 */
1621
1622                 if (editor) {
1623                         editor->reset_x_origin (0);
1624                 }
1625         }
1626 }
1627
1628 void
1629 ARDOUR_UI::transport_goto_wallclock ()
1630 {
1631         if (_session && editor) {
1632
1633                 time_t now;
1634                 struct tm tmnow;
1635                 framepos_t frames;
1636
1637                 time (&now);
1638                 localtime_r (&now, &tmnow);
1639
1640                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1641                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1642                 frames += tmnow.tm_sec * _session->frame_rate();
1643
1644                 _session->request_locate (frames, _session->transport_rolling ());
1645
1646                 /* force displayed area in editor to start no matter
1647                    what "follow playhead" setting is.
1648                 */
1649
1650                 if (editor) {
1651                         editor->center_screen (frames);
1652                 }
1653         }
1654 }
1655
1656 void
1657 ARDOUR_UI::transport_goto_end ()
1658 {
1659         if (_session) {
1660                 framepos_t const frame = _session->current_end_frame();
1661                 _session->request_locate (frame);
1662
1663                 /* force displayed area in editor to start no matter
1664                    what "follow playhead" setting is.
1665                 */
1666
1667                 if (editor) {
1668                         editor->center_screen (frame);
1669                 }
1670         }
1671 }
1672
1673 void
1674 ARDOUR_UI::transport_stop ()
1675 {
1676         if (!_session) {
1677                 return;
1678         }
1679
1680         if (_session->is_auditioning()) {
1681                 _session->cancel_audition ();
1682                 return;
1683         }
1684
1685         _session->request_stop (false, true);
1686 }
1687
1688 void
1689 ARDOUR_UI::transport_record (bool roll)
1690 {
1691
1692         if (_session) {
1693                 switch (_session->record_status()) {
1694                 case Session::Disabled:
1695                         if (_session->ntracks() == 0) {
1696                                 MessageDialog msg (*editor, _("Please create one or more tracks before trying to record.\nYou can do this with the \"Add Track or Bus\" option in the Session menu."));
1697                                 msg.run ();
1698                                 return;
1699                         }
1700                         _session->maybe_enable_record ();
1701                         if (roll) {
1702                                 transport_roll ();
1703                         }
1704                         break;
1705                 case Session::Recording:
1706                         if (roll) {
1707                                 _session->request_stop();
1708                         } else {
1709                                 _session->disable_record (false, true);
1710                         }
1711                         break;
1712
1713                 case Session::Enabled:
1714                         _session->disable_record (false, true);
1715                 }
1716         }
1717 }
1718
1719 void
1720 ARDOUR_UI::transport_roll ()
1721 {
1722         if (!_session) {
1723                 return;
1724         }
1725
1726         if (_session->is_auditioning()) {
1727                 return;
1728         }
1729
1730 #if 0
1731         if (_session->config.get_external_sync()) {
1732                 switch (Config->get_sync_source()) {
1733                 case JACK:
1734                         break;
1735                 default:
1736                         /* transport controlled by the master */
1737                         return;
1738                 }
1739         }
1740 #endif
1741
1742         bool rolling = _session->transport_rolling();
1743
1744         if (_session->get_play_loop()) {
1745                 /* XXX it is not possible to just leave seamless loop and keep
1746                    playing at present (nov 4th 2009)
1747                 */
1748                 if (!Config->get_seamless_loop()) {
1749                         _session->request_play_loop (false, true);
1750                 }
1751         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1752                 /* stop playing a range if we currently are */
1753                 _session->request_play_range (0, true);
1754         }
1755
1756         if (!rolling) {
1757                 _session->request_transport_speed (1.0f);
1758         }
1759 }
1760
1761 bool
1762 ARDOUR_UI::get_smart_mode() const
1763 {
1764         return ( editor->get_smart_mode() );
1765 }
1766
1767
1768 void
1769 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1770 {
1771
1772         if (!_session) {
1773                 return;
1774         }
1775
1776         if (_session->is_auditioning()) {
1777                 _session->cancel_audition ();
1778                 return;
1779         }
1780
1781         if (_session->config.get_external_sync()) {
1782                 switch (Config->get_sync_source()) {
1783                 case JACK:
1784                         break;
1785                 default:
1786                         /* transport controlled by the master */
1787                         return;
1788                 }
1789         }
1790
1791         bool rolling = _session->transport_rolling();
1792         bool affect_transport = true;
1793
1794         if (rolling && roll_out_of_bounded_mode) {
1795                 /* drop out of loop/range playback but leave transport rolling */
1796                 if (_session->get_play_loop()) {
1797                         if (Config->get_seamless_loop()) {
1798                                 /* the disk buffers contain copies of the loop - we can't
1799                                    just keep playing, so stop the transport. the user
1800                                    can restart as they wish.
1801                                 */
1802                                 affect_transport = true;
1803                         } else {
1804                                 /* disk buffers are normal, so we can keep playing */
1805                                 affect_transport = false;
1806                         }
1807                         _session->request_play_loop (false, true);
1808                 } else if (_session->get_play_range ()) {
1809                         affect_transport = false;
1810                         _session->request_play_range (0, true);
1811                 }
1812         }
1813
1814         if (affect_transport) {
1815                 if (rolling) {
1816                         _session->request_stop (with_abort, true);
1817                 } else {
1818                         if ( Config->get_always_play_range() ) {
1819                                 _session->request_play_range (&editor->get_selection().time, true);
1820                         }
1821
1822                         _session->request_transport_speed (1.0f);
1823                 }
1824         }
1825 }
1826
1827 void
1828 ARDOUR_UI::toggle_session_auto_loop ()
1829 {
1830         Location * looploc = _session->locations()->auto_loop_location();
1831
1832         if (!_session || !looploc) {
1833                 return;
1834         }
1835
1836         if (_session->get_play_loop()) {
1837
1838                 if (_session->transport_rolling()) {
1839
1840                         _session->request_locate (looploc->start(), true);
1841                         _session->request_play_loop (false);
1842
1843                 } else {
1844                         _session->request_play_loop (false);
1845                 }
1846         } else {
1847                 _session->request_play_loop (true);
1848         }
1849         
1850         //show the loop markers
1851         looploc->set_hidden (false, this);
1852 }
1853
1854 void
1855 ARDOUR_UI::transport_play_selection ()
1856 {
1857         if (!_session) {
1858                 return;
1859         }
1860
1861         editor->play_selection ();
1862 }
1863
1864 void
1865 ARDOUR_UI::transport_play_preroll ()
1866 {
1867         if (!_session) {
1868                 return;
1869         }
1870         editor->play_with_preroll ();
1871 }
1872
1873 void
1874 ARDOUR_UI::transport_rewind (int option)
1875 {
1876         float current_transport_speed;
1877
1878         if (_session) {
1879                 current_transport_speed = _session->transport_speed();
1880
1881                 if (current_transport_speed >= 0.0f) {
1882                         switch (option) {
1883                         case 0:
1884                                 _session->request_transport_speed (-1.0f);
1885                                 break;
1886                         case 1:
1887                                 _session->request_transport_speed (-4.0f);
1888                                 break;
1889                         case -1:
1890                                 _session->request_transport_speed (-0.5f);
1891                                 break;
1892                         }
1893                 } else {
1894                         /* speed up */
1895                         _session->request_transport_speed (current_transport_speed * 1.5f);
1896                 }
1897         }
1898 }
1899
1900 void
1901 ARDOUR_UI::transport_forward (int option)
1902 {
1903         if (!_session) {
1904                 return;
1905         }
1906         
1907         float current_transport_speed = _session->transport_speed();
1908         
1909         if (current_transport_speed <= 0.0f) {
1910                 switch (option) {
1911                 case 0:
1912                         _session->request_transport_speed (1.0f);
1913                         break;
1914                 case 1:
1915                         _session->request_transport_speed (4.0f);
1916                         break;
1917                 case -1:
1918                         _session->request_transport_speed (0.5f);
1919                         break;
1920                 }
1921         } else {
1922                 /* speed up */
1923                 _session->request_transport_speed (current_transport_speed * 1.5f);
1924         }
1925 }
1926
1927 void
1928 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1929 {
1930         if (!_session) {
1931                 return;
1932         }
1933
1934         boost::shared_ptr<Route> r;
1935
1936         if ((r = _session->route_by_remote_id (rid)) != 0) {
1937
1938                 Track* t;
1939
1940                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1941                         t->set_record_enabled (!t->record_enabled(), this);
1942                 }
1943         }
1944 }
1945
1946 void
1947 ARDOUR_UI::map_transport_state ()
1948 {
1949         if (!_session) {
1950                 auto_loop_button.unset_active_state ();
1951                 play_selection_button.unset_active_state ();
1952                 roll_button.unset_active_state ();
1953                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1954                 return;
1955         }
1956
1957         shuttle_box->map_transport_state ();
1958
1959         float sp = _session->transport_speed();
1960
1961         if (sp != 0.0f) {
1962
1963                 /* we're rolling */
1964
1965                 if (_session->get_play_range()) {
1966
1967                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1968                         roll_button.unset_active_state ();
1969                         auto_loop_button.unset_active_state ();
1970
1971                 } else if (_session->get_play_loop ()) {
1972
1973                         auto_loop_button.set_active (true);
1974                         play_selection_button.set_active (false);
1975                         roll_button.set_active (false);
1976
1977                 } else {
1978
1979                         roll_button.set_active (true);
1980                         play_selection_button.set_active (false);
1981                         auto_loop_button.set_active (false);
1982                 }
1983
1984                 if (Config->get_always_play_range()) {
1985                         /* light up both roll and play-selection if they are joined */
1986                         roll_button.set_active (true);
1987                         play_selection_button.set_active (true);
1988                 }
1989
1990                 stop_button.set_active (false);
1991
1992         } else {
1993
1994                 stop_button.set_active (true);
1995                 roll_button.set_active (false);
1996                 play_selection_button.set_active (false);
1997                 auto_loop_button.set_active (false);
1998                 update_disk_space ();
1999         }
2000 }
2001
2002 void
2003 ARDOUR_UI::engine_stopped ()
2004 {
2005         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2006         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2007         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2008 }
2009
2010 void
2011 ARDOUR_UI::engine_running ()
2012 {
2013         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2014         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2015         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2016
2017         Glib::RefPtr<Action> action;
2018         const char* action_name = 0;
2019
2020         switch (engine->frames_per_cycle()) {
2021         case 32:
2022                 action_name = X_("JACKLatency32");
2023                 break;
2024         case 64:
2025                 action_name = X_("JACKLatency64");
2026                 break;
2027         case 128:
2028                 action_name = X_("JACKLatency128");
2029                 break;
2030         case 512:
2031                 action_name = X_("JACKLatency512");
2032                 break;
2033         case 1024:
2034                 action_name = X_("JACKLatency1024");
2035                 break;
2036         case 2048:
2037                 action_name = X_("JACKLatency2048");
2038                 break;
2039         case 4096:
2040                 action_name = X_("JACKLatency4096");
2041                 break;
2042         case 8192:
2043                 action_name = X_("JACKLatency8192");
2044                 break;
2045         default:
2046                 /* XXX can we do anything useful ? */
2047                 break;
2048         }
2049
2050         if (action_name) {
2051
2052                 action = ActionManager::get_action (X_("JACK"), action_name);
2053
2054                 if (action) {
2055                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2056                         ract->set_active ();
2057                 }
2058         }
2059 }
2060
2061 void
2062 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2063 {
2064         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2065                 /* we can't rely on the original string continuing to exist when we are called
2066                    again in the GUI thread, so make a copy and note that we need to
2067                    free it later.
2068                 */
2069                 char *copy = strdup (reason);
2070                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2071                 return;
2072         }
2073
2074         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2075         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2076
2077         update_sample_rate (0);
2078
2079         string msgstr;
2080
2081         /* if the reason is a non-empty string, it means that the backend was shutdown
2082            rather than just Ardour.
2083         */
2084
2085         if (strlen (reason)) {
2086                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2087         } else {
2088                 msgstr = string_compose (_("\
2089 JACK has either been shutdown or it\n\
2090 disconnected %1 because %1\n\
2091 was not fast enough. Try to restart\n\
2092 JACK, reconnect and save the session."), PROGRAM_NAME);
2093         }
2094
2095         MessageDialog msg (*editor, msgstr);
2096         pop_back_splash (msg);
2097         msg.set_keep_above (true);
2098         msg.run ();
2099         
2100         if (free_reason) {
2101                 free (const_cast<char*> (reason));
2102         }
2103 }
2104
2105 int32_t
2106 ARDOUR_UI::do_engine_start ()
2107 {
2108         try {
2109                 engine->start();
2110         }
2111
2112         catch (...) {
2113                 engine->stop ();
2114                 error << _("Unable to start the session running")
2115                       << endmsg;
2116                 unload_session ();
2117                 return -2;
2118         }
2119
2120         return 0;
2121 }
2122
2123 void
2124 ARDOUR_UI::update_clocks ()
2125 {
2126         if (!editor || !editor->dragging_playhead()) {
2127                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2128         }
2129 }
2130
2131 void
2132 ARDOUR_UI::start_clocking ()
2133 {
2134         if (Config->get_super_rapid_clock_update()) {
2135                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2136         } else {
2137                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2138         }
2139 }
2140
2141 void
2142 ARDOUR_UI::stop_clocking ()
2143 {
2144         clock_signal_connection.disconnect ();
2145 }
2146
2147 gint
2148 ARDOUR_UI::_blink (void *arg)
2149 {
2150         ((ARDOUR_UI *) arg)->blink ();
2151         return TRUE;
2152 }
2153
2154 void
2155 ARDOUR_UI::blink ()
2156 {
2157         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2158 }
2159
2160 void
2161 ARDOUR_UI::start_blinking ()
2162 {
2163         /* Start the blink signal. Everybody with a blinking widget
2164            uses Blink to drive the widget's state.
2165         */
2166
2167         if (blink_timeout_tag < 0) {
2168                 blink_on = false;
2169                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2170         }
2171 }
2172
2173 void
2174 ARDOUR_UI::stop_blinking ()
2175 {
2176         if (blink_timeout_tag >= 0) {
2177                 g_source_remove (blink_timeout_tag);
2178                 blink_timeout_tag = -1;
2179         }
2180 }
2181
2182
2183 /** Ask the user for the name of a new snapshot and then take it.
2184  */
2185
2186 void
2187 ARDOUR_UI::snapshot_session (bool switch_to_it)
2188 {
2189         ArdourPrompter prompter (true);
2190         string snapname;
2191
2192         prompter.set_name ("Prompter");
2193         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2194         prompter.set_title (_("Take Snapshot"));
2195         prompter.set_prompt (_("Name of new snapshot"));
2196
2197         if (!switch_to_it) {
2198                 char timebuf[128];
2199                 time_t n;
2200                 struct tm local_time;
2201
2202                 time (&n);
2203                 localtime_r (&n, &local_time);
2204                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2205                 prompter.set_initial_text (timebuf);
2206         }
2207
2208   again:
2209         switch (prompter.run()) {
2210         case RESPONSE_ACCEPT:
2211         {
2212                 prompter.get_result (snapname);
2213
2214                 bool do_save = (snapname.length() != 0);
2215
2216                 if (do_save) {
2217                         char illegal = Session::session_name_is_legal(snapname);
2218                         if (illegal) {
2219                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2220                                                      "snapshot names may not contain a '%1' character"), illegal));
2221                                 msg.run ();
2222                                 goto again;
2223                         }
2224                 }
2225
2226                 vector<std::string> p;
2227                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2228                 vector<string> n = get_file_names_no_extension (p);
2229                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2230
2231                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2232                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2233                         confirm.get_vbox()->pack_start (m, true, true);
2234                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2235                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2236                         confirm.show_all ();
2237                         switch (confirm.run()) {
2238                         case RESPONSE_CANCEL:
2239                                 do_save = false;
2240                         }
2241                 }
2242
2243                 if (do_save) {
2244                         save_state (snapname, switch_to_it);
2245                 }
2246                 break;
2247         }
2248
2249         default:
2250                 break;
2251         }
2252 }
2253
2254 /** Ask the user for a new session name and then rename the session to it.
2255  */
2256
2257 void
2258 ARDOUR_UI::rename_session ()
2259 {
2260         if (!_session) {
2261                 return;
2262         }
2263
2264         ArdourPrompter prompter (true);
2265         string name;
2266
2267         prompter.set_name ("Prompter");
2268         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2269         prompter.set_title (_("Rename Session"));
2270         prompter.set_prompt (_("New session name"));
2271
2272   again:
2273         switch (prompter.run()) {
2274         case RESPONSE_ACCEPT:
2275         {
2276                 prompter.get_result (name);
2277
2278                 bool do_rename = (name.length() != 0);
2279
2280                 if (do_rename) {
2281                         char illegal = Session::session_name_is_legal (name);
2282
2283                         if (illegal) {
2284                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2285                                                                      "session names may not contain a '%1' character"), illegal));
2286                                 msg.run ();
2287                                 goto again;
2288                         }
2289
2290                         switch (_session->rename (name)) {
2291                         case -1: {
2292                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2293                                 msg.set_position (WIN_POS_MOUSE);
2294                                 msg.run ();
2295                                 goto again;
2296                                 break;
2297                         }
2298                         case 0:
2299                                 break;
2300                         default: {
2301                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2302                                 msg.set_position (WIN_POS_MOUSE);
2303                                 msg.run ();
2304                                 break;
2305                         }
2306                         }
2307                 }
2308                 
2309                 break;
2310         }
2311
2312         default:
2313                 break;
2314         }
2315 }
2316
2317 void
2318 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2319 {
2320         XMLNode* node = new XMLNode (X_("UI"));
2321
2322         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2323                 if (!(*i)->rc_configured()) {
2324                         node->add_child_nocopy (*((*i)->get_state ()));
2325                 }
2326         }
2327
2328         node->add_child_nocopy (gui_object_state->get_state());
2329
2330         _session->add_extra_xml (*node);
2331
2332         save_state_canfail (name, switch_to_it);
2333 }
2334
2335 int
2336 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2337 {
2338         if (_session) {
2339                 int ret;
2340
2341                 if (name.length() == 0) {
2342                         name = _session->snap_name();
2343                 }
2344
2345                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2346                         return ret;
2347                 }
2348         }
2349
2350         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2351         return 0;
2352 }
2353
2354 void
2355 ARDOUR_UI::primary_clock_value_changed ()
2356 {
2357         if (_session) {
2358                 _session->request_locate (primary_clock->current_time ());
2359         }
2360 }
2361
2362 void
2363 ARDOUR_UI::big_clock_value_changed ()
2364 {
2365         if (_session) {
2366                 _session->request_locate (big_clock->current_time ());
2367         }
2368 }
2369
2370 void
2371 ARDOUR_UI::secondary_clock_value_changed ()
2372 {
2373         if (_session) {
2374                 _session->request_locate (secondary_clock->current_time ());
2375         }
2376 }
2377
2378 void
2379 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2380 {
2381         if (_session == 0) {
2382                 return;
2383         }
2384
2385         if (_session->step_editing()) {
2386                 return;
2387         }
2388
2389         Session::RecordState const r = _session->record_status ();
2390         bool const h = _session->have_rec_enabled_track ();
2391
2392         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2393                 if (onoff) {
2394                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2395                 } else {
2396                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2397                 }
2398         } else if (r == Session::Recording && h) {
2399                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2400         } else {
2401                 rec_button.unset_active_state ();
2402         }
2403 }
2404
2405 void
2406 ARDOUR_UI::save_template ()
2407 {
2408         ArdourPrompter prompter (true);
2409         string name;
2410
2411         if (!check_audioengine()) {
2412                 return;
2413         }
2414
2415         prompter.set_name (X_("Prompter"));
2416         prompter.set_title (_("Save Template"));
2417         prompter.set_prompt (_("Name for template:"));
2418         prompter.set_initial_text(_session->name() + _("-template"));
2419         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2420
2421         switch (prompter.run()) {
2422         case RESPONSE_ACCEPT:
2423                 prompter.get_result (name);
2424
2425                 if (name.length()) {
2426                         _session->save_template (name);
2427                 }
2428                 break;
2429
2430         default:
2431                 break;
2432         }
2433 }
2434
2435 void
2436 ARDOUR_UI::edit_metadata ()
2437 {
2438         SessionMetadataEditor dialog;
2439         dialog.set_session (_session);
2440         editor->ensure_float (dialog);
2441         dialog.run ();
2442 }
2443
2444 void
2445 ARDOUR_UI::import_metadata ()
2446 {
2447         SessionMetadataImporter dialog;
2448         dialog.set_session (_session);
2449         editor->ensure_float (dialog);
2450         dialog.run ();
2451 }
2452
2453 bool
2454 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2455 {
2456         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2457
2458         MessageDialog msg (str,
2459                            false,
2460                            Gtk::MESSAGE_WARNING,
2461                            Gtk::BUTTONS_YES_NO,
2462                            true);
2463
2464
2465         msg.set_name (X_("OpenExistingDialog"));
2466         msg.set_title (_("Open Existing Session"));
2467         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2468         msg.set_position (Gtk::WIN_POS_MOUSE);
2469         pop_back_splash (msg);
2470
2471         switch (msg.run()) {
2472         case RESPONSE_YES:
2473                 return true;
2474                 break;
2475         }
2476         return false;
2477 }
2478
2479 int
2480 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2481 {
2482         BusProfile bus_profile;
2483
2484         if (nsm || Profile->get_sae()) {
2485
2486                 bus_profile.master_out_channels = 2;
2487                 bus_profile.input_ac = AutoConnectPhysical;
2488                 bus_profile.output_ac = AutoConnectMaster;
2489                 bus_profile.requested_physical_in = 0; // use all available
2490                 bus_profile.requested_physical_out = 0; // use all available
2491
2492         } else {
2493
2494                 /* get settings from advanced section of NSD */
2495
2496                 if (_startup->create_master_bus()) {
2497                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2498                 } else {
2499                         bus_profile.master_out_channels = 0;
2500                 }
2501
2502                 if (_startup->connect_inputs()) {
2503                         bus_profile.input_ac = AutoConnectPhysical;
2504                 } else {
2505                         bus_profile.input_ac = AutoConnectOption (0);
2506                 }
2507
2508                 bus_profile.output_ac = AutoConnectOption (0);
2509
2510                 if (_startup->connect_outputs ()) {
2511                         if (_startup->connect_outs_to_master()) {
2512                                 bus_profile.output_ac = AutoConnectMaster;
2513                         } else if (_startup->connect_outs_to_physical()) {
2514                                 bus_profile.output_ac = AutoConnectPhysical;
2515                         }
2516                 }
2517
2518                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2519                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2520         }
2521
2522         if (build_session (session_path, session_name, bus_profile)) {
2523                 return -1;
2524         }
2525
2526         return 0;
2527 }
2528
2529 void
2530 ARDOUR_UI::idle_load (const std::string& path)
2531 {
2532         if (_session) {
2533                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2534                         /* /path/to/foo => /path/to/foo, foo */
2535                         load_session (path, basename_nosuffix (path));
2536                 } else {
2537                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2538                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2539                 }
2540
2541         } else {
2542                 ARDOUR_COMMAND_LINE::session_name = path;
2543         }
2544 }
2545
2546 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2547 int
2548 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2549 {
2550         string session_name;
2551         string session_path;
2552         string template_name;
2553         int ret = -1;
2554         bool likely_new = false;
2555
2556         /* deal with any existing DIRTY session now, rather than later. don't
2557          * treat a non-dirty session this way, so that it stays visible 
2558          * as we bring up the new session dialog.
2559          */
2560 #ifdef WITH_VIDEOTIMELINE
2561         if (_session && ARDOUR_UI::instance()->video_timeline) {
2562                 ARDOUR_UI::instance()->video_timeline->close_session();
2563         }
2564 #endif
2565         if (_session && _session->dirty()) {
2566                 if (unload_session (false)) {
2567                         /* unload cancelled by user */
2568                         return 0;
2569                 }
2570                 ARDOUR_COMMAND_LINE::session_name = "";
2571         }
2572
2573         if (!load_template.empty()) {
2574                 should_be_new = true;
2575                 template_name = load_template;
2576         }
2577
2578         while (ret != 0) {
2579
2580                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2581
2582                         /* if they named a specific statefile, use it, otherwise they are
2583                            just giving a session folder, and we want to use it as is
2584                            to find the session.
2585                         */
2586
2587                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2588
2589                         if (suffix != string::npos) {
2590                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2591                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2592                                 session_name = Glib::path_get_basename (session_name);
2593                         } else {
2594                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2595                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2596                         }
2597                 } else {
2598                         session_path = "";
2599                         session_name = "";
2600                 }
2601
2602                 delete _startup;
2603                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2604                 
2605                 if (!_startup->ready_without_display()) {
2606                         _startup->present ();
2607                         main().run();
2608                         _startup->hide ();
2609                 }
2610                 
2611                 switch (_startup->response()) {
2612                 case RESPONSE_OK:
2613                         break;
2614                 default:
2615                         if (quit_on_cancel) {
2616                                 exit (1);
2617                         } else {
2618                                 return ret;
2619                         }
2620                 }
2621
2622                 /* if we run the startup dialog again, offer more than just "new session" */
2623                 
2624                 should_be_new = false;
2625                 
2626                 session_name = _startup->session_name (likely_new);
2627                 
2628                 if (nsm) {
2629                         likely_new = true;
2630                 }
2631
2632                 string::size_type suffix = session_name.find (statefile_suffix);
2633                 
2634                 if (suffix != string::npos) {
2635                         session_name = session_name.substr (0, suffix);
2636                 }
2637                 
2638                 /* this shouldn't happen, but we catch it just in case it does */
2639                 
2640                 if (session_name.empty()) {
2641                         continue;
2642                 }
2643                 
2644                 if (_startup->use_session_template()) {
2645                         template_name = _startup->session_template_name();
2646                         _session_is_new = true;
2647                 }
2648                 
2649                 if (session_name[0] == G_DIR_SEPARATOR ||
2650                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2651                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2652                         
2653                         /* absolute path or cwd-relative path specified for session name: infer session folder
2654                            from what was given.
2655                         */
2656                         
2657                         session_path = Glib::path_get_dirname (session_name);
2658                         session_name = Glib::path_get_basename (session_name);
2659                         
2660                 } else {
2661
2662                         session_path = _startup->session_folder();
2663                         
2664                         char illegal = Session::session_name_is_legal (session_name);
2665                         
2666                         if (illegal) {
2667                                 MessageDialog msg (*_startup,
2668                                                    string_compose (_("To ensure compatibility with various systems\n"
2669                                                                      "session names may not contain a '%1' character"),
2670                                                                    illegal));
2671                                 msg.run ();
2672                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2673                                 continue;
2674                         }
2675                 }
2676         
2677                 if (create_engine ()) {
2678                         break;
2679                 }
2680
2681                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2682
2683                         if (likely_new && !nsm) {
2684
2685                                 std::string existing = Glib::build_filename (session_path, session_name);
2686
2687                                 if (!ask_about_loading_existing_session (existing)) {
2688                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2689                                         continue;
2690                                 }
2691                         }
2692
2693                         _session_is_new = false;
2694
2695                 } else {
2696
2697                         if (!likely_new) {
2698                                 if (_startup) {
2699                                         pop_back_splash (*_startup);
2700                                 } else {
2701                                         hide_splash ();
2702                                 }
2703
2704                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2705                                 msg.run ();
2706                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2707                                 continue;
2708                         }
2709
2710                         char illegal = Session::session_name_is_legal(session_name);
2711                         if (illegal) {
2712                                 pop_back_splash (*_startup);
2713                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2714                                                      "session names may not contain a '%1' character"), illegal));
2715                                 msg.run ();
2716                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2717                                 continue;
2718                         }
2719
2720                         _session_is_new = true;
2721                 }
2722
2723                 if (likely_new && template_name.empty()) {
2724
2725                         ret = build_session_from_nsd (session_path, session_name);
2726
2727                 } else {
2728
2729                         ret = load_session (session_path, session_name, template_name);
2730
2731                         if (ret == -2) {
2732                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2733                                 exit (1);
2734                         }
2735
2736                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2737                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2738                                 exit (1);
2739                         }
2740                 }
2741         }
2742
2743         return ret;
2744 }
2745
2746 void
2747 ARDOUR_UI::close_session()
2748 {
2749 #ifdef WITH_VIDEOTIMELINE
2750         ARDOUR_UI::instance()->video_timeline->close_session();
2751 #endif
2752         if (!check_audioengine()) {
2753                 return;
2754         }
2755
2756         if (unload_session (true)) {
2757                 return;
2758         }
2759
2760         ARDOUR_COMMAND_LINE::session_name = "";
2761
2762         if (get_session_parameters (true, false)) {
2763                 exit (1);
2764         }
2765
2766         goto_editor_window ();
2767 }
2768
2769 /** @param snap_name Snapshot name (without .ardour suffix).
2770  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2771  */
2772 int
2773 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2774 {
2775         Session *new_session;
2776         int unload_status;
2777         int retval = -1;
2778
2779         session_loaded = false;
2780
2781         if (!check_audioengine()) {
2782                 return -2;
2783         }
2784
2785         unload_status = unload_session ();
2786
2787         if (unload_status < 0) {
2788                 goto out;
2789         } else if (unload_status > 0) {
2790                 retval = 0;
2791                 goto out;
2792         }
2793
2794         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2795
2796         try {
2797                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2798         }
2799
2800         /* this one is special */
2801
2802         catch (AudioEngine::PortRegistrationFailure& err) {
2803
2804                 MessageDialog msg (err.what(),
2805                                    true,
2806                                    Gtk::MESSAGE_INFO,
2807                                    Gtk::BUTTONS_CLOSE);
2808
2809                 msg.set_title (_("Port Registration Error"));
2810                 msg.set_secondary_text (_("Click the Close button to try again."));
2811                 msg.set_position (Gtk::WIN_POS_CENTER);
2812                 pop_back_splash (msg);
2813                 msg.present ();
2814
2815                 int response = msg.run ();
2816
2817                 msg.hide ();
2818
2819                 switch (response) {
2820                 case RESPONSE_CANCEL:
2821                         exit (1);
2822                 default:
2823                         break;
2824                 }
2825                 goto out;
2826         }
2827
2828         catch (...) {
2829
2830                 MessageDialog msg (string_compose(
2831                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2832                                            path, snap_name),
2833                                    true,
2834                                    Gtk::MESSAGE_INFO,
2835                                    BUTTONS_OK);
2836
2837                 msg.set_title (_("Loading Error"));
2838                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2839                 msg.add_button (Stock::REFRESH, 1);
2840                 msg.set_position (Gtk::WIN_POS_CENTER);
2841                 pop_back_splash (msg);
2842                 msg.present ();
2843
2844                 int response = msg.run ();
2845
2846                 switch (response) {
2847                 case 1:
2848                         break;
2849                 default:
2850                         exit (1);
2851                 }
2852
2853                 msg.hide ();
2854
2855                 goto out;
2856         }
2857
2858         {
2859                 list<string> const u = new_session->unknown_processors ();
2860                 if (!u.empty()) {
2861                         MissingPluginDialog d (_session, u);
2862                         d.run ();
2863                 }
2864         }
2865
2866         /* Now the session been created, add the transport controls */
2867         new_session->add_controllable(roll_controllable);
2868         new_session->add_controllable(stop_controllable);
2869         new_session->add_controllable(goto_start_controllable);
2870         new_session->add_controllable(goto_end_controllable);
2871         new_session->add_controllable(auto_loop_controllable);
2872         new_session->add_controllable(play_selection_controllable);
2873         new_session->add_controllable(rec_controllable);
2874
2875         set_session (new_session);
2876
2877         session_loaded = true;
2878
2879         goto_editor_window ();
2880
2881         if (_session) {
2882                 _session->set_clean ();
2883         }
2884
2885         flush_pending ();
2886         retval = 0;
2887
2888   out:
2889         return retval;
2890 }
2891
2892 int
2893 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2894 {
2895         Session *new_session;
2896         int x;
2897
2898         if (!check_audioengine()) {
2899                 return -1;
2900         }
2901
2902         session_loaded = false;
2903
2904         x = unload_session ();
2905
2906         if (x < 0) {
2907                 return -1;
2908         } else if (x > 0) {
2909                 return 0;
2910         }
2911
2912         _session_is_new = true;
2913
2914         try {
2915                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2916         }
2917
2918         catch (...) {
2919
2920                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2921                 pop_back_splash (msg);
2922                 msg.run ();
2923                 return -1;
2924         }
2925
2926         /* Give the new session the default GUI state, if such things exist */
2927
2928         XMLNode* n;
2929         n = Config->instant_xml (X_("Editor"));
2930         if (n) {
2931                 new_session->add_instant_xml (*n, false);
2932         }
2933         n = Config->instant_xml (X_("Mixer"));
2934         if (n) {
2935                 new_session->add_instant_xml (*n, false);
2936         }
2937
2938         /* Put the playhead at 0 and scroll fully left */
2939         n = new_session->instant_xml (X_("Editor"));
2940         if (n) {
2941                 n->add_property (X_("playhead"), X_("0"));
2942                 n->add_property (X_("left-frame"), X_("0"));
2943         }
2944
2945         set_session (new_session);
2946
2947         session_loaded = true;
2948
2949         new_session->save_state(new_session->name());
2950
2951         return 0;
2952 }
2953
2954 void
2955 ARDOUR_UI::launch_chat ()
2956 {
2957 #ifdef __APPLE__
2958         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2959 #else
2960         open_uri("http://webchat.freenode.net/?channels=ardour");
2961 #endif
2962 }
2963
2964 void
2965 ARDOUR_UI::show_about ()
2966 {
2967         if (about == 0) {
2968                 about = new About;
2969                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2970         }
2971
2972         about->set_transient_for(*editor);
2973         about->show_all ();
2974 }
2975
2976 void
2977 ARDOUR_UI::launch_manual ()
2978 {
2979         PBD::open_uri (Config->get_tutorial_manual_url());
2980 }
2981
2982 void
2983 ARDOUR_UI::launch_reference ()
2984 {
2985         PBD::open_uri (Config->get_reference_manual_url());
2986 }
2987
2988 void
2989 ARDOUR_UI::hide_about ()
2990 {
2991         if (about) {
2992                 about->get_window()->set_cursor ();
2993                 about->hide ();
2994         }
2995 }
2996
2997 void
2998 ARDOUR_UI::about_signal_response (int /*response*/)
2999 {
3000         hide_about();
3001 }
3002
3003 void
3004 ARDOUR_UI::loading_message (const std::string& msg)
3005 {
3006         if (ARDOUR_COMMAND_LINE::no_splash) {
3007                 return;
3008         }
3009
3010         if (!splash) {
3011                 show_splash ();
3012         }
3013
3014         splash->message (msg);
3015 }
3016
3017 void
3018 ARDOUR_UI::show_splash ()
3019 {
3020         if (splash == 0) {
3021                 try {
3022                         splash = new Splash;
3023                 } catch (...) {
3024                         return;
3025                 }
3026         }
3027
3028         splash->display ();
3029 }
3030
3031 void
3032 ARDOUR_UI::hide_splash ()
3033 {
3034         delete splash;
3035         splash = 0;
3036 }
3037
3038 void
3039 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3040 {
3041         size_t removed;
3042
3043         removed = rep.paths.size();
3044
3045         if (removed == 0) {
3046                 MessageDialog msgd (*editor,
3047                                     _("No files were ready for clean-up"),
3048                                     true,
3049                                     Gtk::MESSAGE_INFO,
3050                                     Gtk::BUTTONS_OK);
3051                 msgd.set_title (_("Clean-up"));
3052                 msgd.set_secondary_text (_("If this seems suprising, \n\
3053 check for any existing snapshots.\n\
3054 These may still include regions that\n\
3055 require some unused files to continue to exist."));
3056
3057                 msgd.run ();
3058                 return;
3059         }
3060
3061         ArdourDialog results (_("Clean-up"), true, false);
3062
3063         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3064             CleanupResultsModelColumns() {
3065                     add (visible_name);
3066                     add (fullpath);
3067             }
3068             Gtk::TreeModelColumn<std::string> visible_name;
3069             Gtk::TreeModelColumn<std::string> fullpath;
3070         };
3071
3072
3073         CleanupResultsModelColumns results_columns;
3074         Glib::RefPtr<Gtk::ListStore> results_model;
3075         Gtk::TreeView results_display;
3076
3077         results_model = ListStore::create (results_columns);
3078         results_display.set_model (results_model);
3079         results_display.append_column (list_title, results_columns.visible_name);
3080
3081         results_display.set_name ("CleanupResultsList");
3082         results_display.set_headers_visible (true);
3083         results_display.set_headers_clickable (false);
3084         results_display.set_reorderable (false);
3085
3086         Gtk::ScrolledWindow list_scroller;
3087         Gtk::Label txt;
3088         Gtk::VBox dvbox;
3089         Gtk::HBox dhbox;  // the hbox for the image and text
3090         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3091         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3092
3093         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3094
3095         const string dead_directory = _session->session_directory().dead_path();
3096
3097         /* subst:
3098            %1 - number of files removed
3099            %2 - location of "dead"
3100            %3 - size of files affected
3101            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3102         */
3103
3104         const char* bprefix;
3105         double space_adjusted = 0;
3106
3107         if (rep.space < 1000) {
3108                 bprefix = X_("");
3109                 space_adjusted = rep.space;
3110         } else if (rep.space < 1000000) {
3111                 bprefix = _("kilo");
3112                 space_adjusted = truncf((float)rep.space / 1000.0);
3113         } else if (rep.space < 1000000 * 1000) {
3114                 bprefix = _("mega");
3115                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3116         } else {
3117                 bprefix = _("giga");
3118                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3119         }
3120
3121         if (msg_delete) {
3122                 txt.set_markup (string_compose (P_("\
3123 The following file was deleted from %2,\n\
3124 releasing %3 %4bytes of disk space", "\
3125 The following %1 files were deleted from %2,\n\
3126 releasing %3 %4bytes of disk space", removed),
3127                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3128         } else {
3129                 txt.set_markup (string_compose (P_("\
3130 The following file was not in use and \n\
3131 has been moved to: %2\n\n\
3132 After a restart of %5\n\n\
3133 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3134 will release an additional %3 %4bytes of disk space.\n", "\
3135 The following %1 files were not in use and \n\
3136 have been moved to: %2\n\n\
3137 After a restart of %5\n\n\
3138 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3139 will release an additional %3 %4bytes of disk space.\n", removed),
3140                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3141         }
3142
3143         dhbox.pack_start (*dimage, true, false, 5);
3144         dhbox.pack_start (txt, true, false, 5);
3145
3146         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3147                 TreeModel::Row row = *(results_model->append());
3148                 row[results_columns.visible_name] = *i;
3149                 row[results_columns.fullpath] = *i;
3150         }
3151
3152         list_scroller.add (results_display);
3153         list_scroller.set_size_request (-1, 150);
3154         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3155
3156         dvbox.pack_start (dhbox, true, false, 5);
3157         dvbox.pack_start (list_scroller, true, false, 5);
3158         ddhbox.pack_start (dvbox, true, false, 5);
3159
3160         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3161         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3162         results.set_default_response (RESPONSE_CLOSE);
3163         results.set_position (Gtk::WIN_POS_MOUSE);
3164
3165         results_display.show();
3166         list_scroller.show();
3167         txt.show();
3168         dvbox.show();
3169         dhbox.show();
3170         ddhbox.show();
3171         dimage->show();
3172
3173         //results.get_vbox()->show();
3174         results.set_resizable (false);
3175
3176         results.run ();
3177
3178 }
3179
3180 void
3181 ARDOUR_UI::cleanup ()
3182 {
3183         if (_session == 0) {
3184                 /* shouldn't happen: menu item is insensitive */
3185                 return;
3186         }
3187
3188
3189         MessageDialog checker (_("Are you sure you want to clean-up?"),
3190                                 true,
3191                                 Gtk::MESSAGE_QUESTION,
3192                                 Gtk::BUTTONS_NONE);
3193
3194         checker.set_title (_("Clean-up"));
3195
3196         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3197 ALL undo/redo information will be lost if you clean-up.\n\
3198 Clean-up will move all unused files to a \"dead\" location."));
3199
3200         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3201         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3202         checker.set_default_response (RESPONSE_CANCEL);
3203
3204         checker.set_name (_("CleanupDialog"));
3205         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3206         checker.set_position (Gtk::WIN_POS_MOUSE);
3207
3208         switch (checker.run()) {
3209         case RESPONSE_ACCEPT:
3210                 break;
3211         default:
3212                 return;
3213         }
3214
3215         ARDOUR::CleanupReport rep;
3216
3217         editor->prepare_for_cleanup ();
3218
3219         /* do not allow flush until a session is reloaded */
3220
3221         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3222         if (act) {
3223                 act->set_sensitive (false);
3224         }
3225
3226         if (_session->cleanup_sources (rep)) {
3227                 editor->finish_cleanup ();
3228                 return;
3229         }
3230
3231         editor->finish_cleanup ();
3232
3233         checker.hide();
3234         display_cleanup_results (rep, _("Cleaned Files"), false);
3235 }
3236
3237 void
3238 ARDOUR_UI::flush_trash ()
3239 {
3240         if (_session == 0) {
3241                 /* shouldn't happen: menu item is insensitive */
3242                 return;
3243         }
3244
3245         ARDOUR::CleanupReport rep;
3246
3247         if (_session->cleanup_trash_sources (rep)) {
3248                 return;
3249         }
3250
3251         display_cleanup_results (rep, _("deleted file"), true);
3252 }
3253
3254 void
3255 ARDOUR_UI::add_route (Gtk::Window* float_window)
3256 {
3257         int count;
3258
3259         if (!_session) {
3260                 return;
3261         }
3262
3263         if (add_route_dialog == 0) {
3264                 add_route_dialog = new AddRouteDialog (_session);
3265                 add_route_dialog->set_position (WIN_POS_MOUSE);
3266                 if (float_window) {
3267                         add_route_dialog->set_transient_for (*float_window);
3268                 }
3269         }
3270
3271         if (add_route_dialog->is_visible()) {
3272                 /* we're already doing this */
3273                 return;
3274         }
3275
3276         ResponseType r = (ResponseType) add_route_dialog->run ();
3277
3278         add_route_dialog->hide();
3279
3280         switch (r) {
3281                 case RESPONSE_ACCEPT:
3282                         break;
3283                 default:
3284                         return;
3285                         break;
3286         }
3287
3288         if ((count = add_route_dialog->count()) <= 0) {
3289                 return;
3290         }
3291
3292         PBD::ScopedConnection idle_connection;
3293
3294         if (count > 8) {
3295                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3296         }
3297
3298         string template_path = add_route_dialog->track_template();
3299
3300         if (!template_path.empty()) {
3301                 if (add_route_dialog->name_template_is_default())  {
3302                         _session->new_route_from_template (count, template_path, string());
3303                 } else {
3304                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3305                 }
3306                 return;
3307         }
3308
3309         ChanCount input_chan= add_route_dialog->channels ();
3310         ChanCount output_chan;
3311         string name_template = add_route_dialog->name_template ();
3312         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3313         RouteGroup* route_group = add_route_dialog->route_group ();
3314         AutoConnectOption oac = Config->get_output_auto_connect();
3315
3316         if (oac & AutoConnectMaster) {
3317                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3318                 output_chan.set (DataType::MIDI, 0);
3319         } else {
3320                 output_chan = input_chan;
3321         }
3322
3323         /* XXX do something with name template */
3324
3325         switch (add_route_dialog->type_wanted()) {
3326         case AddRouteDialog::AudioTrack:
3327                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3328                 break;
3329         case AddRouteDialog::MidiTrack:
3330                 session_add_midi_track (route_group, count, name_template, instrument);
3331                 break;
3332         case AddRouteDialog::MixedTrack:
3333                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3334                 break;
3335         case AddRouteDialog::AudioBus:
3336                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3337                 break;
3338         }
3339
3340         /* idle connection will end at scope end */
3341 }
3342
3343 #ifdef WITH_VIDEOTIMELINE
3344 void
3345 ARDOUR_UI::stop_video_server (bool ask_confirm)
3346 {
3347         if (!video_server_process && ask_confirm) {
3348                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3349         }
3350         if (video_server_process) {
3351                 if(ask_confirm) {
3352                         ArdourDialog confirm (_("Stop Video-Server"), true);
3353                         Label m (_("Do you really want to stop the Video Server?"));
3354                         confirm.get_vbox()->pack_start (m, true, true);
3355                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3356                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3357                         confirm.show_all ();
3358                         if (confirm.run() == RESPONSE_CANCEL) {
3359                                 return;
3360                         }
3361                 }
3362                 delete video_server_process;
3363                 video_server_process =0;
3364         }
3365 }
3366
3367 void
3368 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3369 {
3370   ARDOUR_UI::start_video_server( float_window, true);
3371 }
3372
3373 bool
3374 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3375 {
3376         if (!_session) {
3377                 return false;
3378         }
3379         if (popup_msg) {
3380                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3381                         if (video_server_process) {
3382                                 popup_error(_("The Video Server is already started."));
3383                         } else {
3384                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3385                         }
3386                 }
3387         }
3388
3389         int firsttime = 0;
3390         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3391                 if (firsttime++) {
3392                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3393                 }
3394                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3395                 if (float_window) {
3396                         video_server_dialog->set_transient_for (*float_window);
3397                 }
3398
3399                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3400                         video_server_dialog->hide();
3401                 } else {
3402                         ResponseType r = (ResponseType) video_server_dialog->run ();
3403                         video_server_dialog->hide();
3404                         if (r != RESPONSE_ACCEPT) { return false; }
3405                         if (video_server_dialog->show_again()) {
3406                                 Config->set_show_video_server_dialog(false);
3407                         }
3408                 }
3409
3410                 std::string icsd_exec = video_server_dialog->get_exec_path();
3411                 std::string icsd_docroot = video_server_dialog->get_docroot();
3412                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3413
3414                 struct stat sb;
3415                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3416                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3417                         continue;
3418                 }
3419                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3420                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3421                         warning << _("Given Video Server is not an executable file.") << endmsg;
3422                         continue;
3423                 }
3424
3425                 char **argp;
3426                 argp=(char**) calloc(9,sizeof(char*));
3427                 argp[0] = strdup(icsd_exec.c_str());
3428                 argp[1] = strdup("-P");
3429                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3430                 argp[3] = strdup("-p");
3431                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3432                 argp[5] = strdup("-C");
3433                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3434                 argp[7] = strdup(icsd_docroot.c_str());
3435                 argp[8] = 0;
3436                 stop_video_server();
3437
3438                 if (icsd_docroot == X_("/")) {
3439                         Config->set_video_advanced_setup(false);
3440                 } else {
3441                         std::ostringstream osstream;
3442                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3443                         Config->set_video_server_url(osstream.str());
3444                         Config->set_video_server_docroot(icsd_docroot);
3445                         Config->set_video_advanced_setup(true);
3446                 }
3447
3448                 video_server_process = new SystemExec(icsd_exec, argp);
3449                 video_server_process->start();
3450                 sleep(1);
3451         }
3452         return true;
3453 }
3454
3455 void
3456 ARDOUR_UI::add_video (Gtk::Window* float_window)
3457 {
3458         if (!_session) {
3459                 return;
3460         }
3461
3462         if (!start_video_server(float_window, false)) {
3463                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3464                 return;
3465         }
3466
3467         if (add_video_dialog == 0) {
3468                 add_video_dialog = new AddVideoDialog (_session);
3469                 if (float_window) {
3470                         add_video_dialog->set_transient_for (*float_window);
3471                 }
3472         }
3473
3474         if (add_video_dialog->is_visible()) {
3475                 /* we're already doing this */
3476                 return;
3477         }
3478         ResponseType r = (ResponseType) add_video_dialog->run ();
3479         add_video_dialog->hide();
3480         if (r != RESPONSE_ACCEPT) { return; }
3481
3482         bool local_file;
3483         std::string path = add_video_dialog->file_name(local_file);
3484         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3485
3486         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3487                 warning << string_compose(_("could not open %1"), path) << endmsg;
3488                 return;
3489         }
3490         if (!local_file && path.length() == 0) {
3491                 warning << _("no video-file selected") << endmsg;
3492                 return;
3493         }
3494
3495         switch (add_video_dialog->import_option()) {
3496                 case VTL_IMPORT_TRANSCODE:
3497                         {
3498                                 TranscodeVideoDialog *transcode_video_dialog;
3499                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3500                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3501                                 transcode_video_dialog->hide();
3502                                 if (r != RESPONSE_ACCEPT) {
3503                                         delete transcode_video_dialog;
3504                                         return;
3505                                 }
3506                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3507                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3508                                 }
3509                                 switch (transcode_video_dialog->import_option()) {
3510                                         case VTL_IMPORT_TRANSCODED:
3511                                                 path = transcode_video_dialog->get_filename();
3512                                                 local_file = true;
3513                                                 break;
3514                                         case VTL_IMPORT_REFERENCE:
3515                                                 break;
3516                                         default:
3517                                                 delete transcode_video_dialog;
3518                                                 return;
3519                                 }
3520                                 delete transcode_video_dialog;
3521                         }
3522                         break;
3523                 default:
3524                 case VTL_IMPORT_NONE:
3525                         break;
3526         }
3527
3528         /* strip _session->session_directory().video_path() from video file if possible */
3529         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3530                  path=path.substr(_session->session_directory().video_path().size());
3531                  if (path.at(0) == G_DIR_SEPARATOR) {
3532                          path=path.substr(1);
3533                  }
3534         }
3535
3536         video_timeline->set_update_session_fps(auto_set_session_fps);
3537         if (video_timeline->video_file_info(path, local_file)) {
3538                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3539                 node->add_property (X_("Filename"), path);
3540                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3541                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3542                 _session->add_extra_xml (*node);
3543                 _session->set_dirty ();
3544
3545                 _session->maybe_update_session_range(
3546                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3547                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3548
3549
3550                 if (add_video_dialog->launch_xjadeo() && local_file) {
3551                         editor->set_xjadeo_sensitive(true);
3552                         editor->toggle_xjadeo_proc(1);
3553                 } else {
3554                         editor->toggle_xjadeo_proc(0);
3555                 }
3556                 editor->toggle_ruler_video(true);
3557         }
3558 }
3559
3560 void
3561 ARDOUR_UI::remove_video ()
3562 {
3563         video_timeline->close_session();
3564         editor->toggle_ruler_video(false);
3565
3566         /* delete session state */
3567         XMLNode* node = new XMLNode(X_("Videotimeline"));
3568         _session->add_extra_xml(*node);
3569         node = new XMLNode(X_("Videomonitor"));
3570         _session->add_extra_xml(*node);
3571         stop_video_server();
3572 }
3573
3574 void
3575 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3576 {
3577         if (localcacheonly) {
3578                 video_timeline->vmon_update();
3579         } else {
3580                 video_timeline->flush_cache();
3581         }
3582         editor->queue_visual_videotimeline_update();
3583 }
3584 #endif
3585
3586 XMLNode*
3587 ARDOUR_UI::mixer_settings () const
3588 {
3589         XMLNode* node = 0;
3590
3591         if (_session) {
3592                 node = _session->instant_xml(X_("Mixer"));
3593         } else {
3594                 node = Config->instant_xml(X_("Mixer"));
3595         }
3596
3597         if (!node) {
3598                 node = new XMLNode (X_("Mixer"));
3599         }
3600
3601         return node;
3602 }
3603
3604 XMLNode*
3605 ARDOUR_UI::editor_settings () const
3606 {
3607         XMLNode* node = 0;
3608
3609         if (_session) {
3610                 node = _session->instant_xml(X_("Editor"));
3611         } else {
3612                 node = Config->instant_xml(X_("Editor"));
3613         }
3614
3615         if (!node) {
3616                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3617                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3618                 }
3619         }
3620
3621         if (!node) {
3622                 node = new XMLNode (X_("Editor"));
3623         }
3624
3625         return node;
3626 }
3627
3628 XMLNode*
3629 ARDOUR_UI::keyboard_settings () const
3630 {
3631         XMLNode* node = 0;
3632
3633         node = Config->extra_xml(X_("Keyboard"));
3634
3635         if (!node) {
3636                 node = new XMLNode (X_("Keyboard"));
3637         }
3638
3639         return node;
3640 }
3641
3642 void
3643 ARDOUR_UI::create_xrun_marker (framepos_t where)
3644 {
3645         editor->mouse_add_new_marker (where, false, true);
3646 }
3647
3648 void
3649 ARDOUR_UI::halt_on_xrun_message ()
3650 {
3651         MessageDialog msg (*editor,
3652                            _("Recording was stopped because your system could not keep up."));
3653         msg.run ();
3654 }
3655
3656 void
3657 ARDOUR_UI::xrun_handler (framepos_t where)
3658 {
3659         if (!_session) {
3660                 return;
3661         }
3662
3663         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3664
3665         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3666                 create_xrun_marker(where);
3667         }
3668
3669         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3670                 halt_on_xrun_message ();
3671         }
3672 }
3673
3674 void
3675 ARDOUR_UI::disk_overrun_handler ()
3676 {
3677         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3678
3679         if (!have_disk_speed_dialog_displayed) {
3680                 have_disk_speed_dialog_displayed = true;
3681                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3682 The disk system on your computer\n\
3683 was not able to keep up with %1.\n\
3684 \n\
3685 Specifically, it failed to write data to disk\n\
3686 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3687                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3688                 msg->show ();
3689         }
3690 }
3691
3692 void
3693 ARDOUR_UI::disk_underrun_handler ()
3694 {
3695         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3696
3697         if (!have_disk_speed_dialog_displayed) {
3698                 have_disk_speed_dialog_displayed = true;
3699                 MessageDialog* msg = new MessageDialog (
3700                         *editor, string_compose (_("The disk system on your computer\n\
3701 was not able to keep up with %1.\n\
3702 \n\
3703 Specifically, it failed to read data from disk\n\
3704 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3705                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3706                 msg->show ();
3707         }
3708 }
3709
3710 void
3711 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3712 {
3713         have_disk_speed_dialog_displayed = false;
3714         delete msg;
3715 }
3716
3717 void
3718 ARDOUR_UI::session_dialog (std::string msg)
3719 {
3720         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3721
3722         MessageDialog* d;
3723
3724         if (editor) {
3725                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3726         } else {
3727                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3728         }
3729
3730         d->show_all ();
3731         d->run ();
3732         delete d;
3733 }
3734
3735 int
3736 ARDOUR_UI::pending_state_dialog ()
3737 {
3738         HBox* hbox = new HBox();
3739         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3740         ArdourDialog dialog (_("Crash Recovery"), true);
3741         Label  message (string_compose (_("\
3742 This session appears to have been in the\n\
3743 middle of recording when %1 or\n\
3744 the computer was shutdown.\n\
3745 \n\
3746 %1 can recover any captured audio for\n\
3747 you, or it can ignore it. Please decide\n\
3748 what you would like to do.\n"), PROGRAM_NAME));
3749         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3750         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3751         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3752         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3753         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3754         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3755         dialog.set_default_response (RESPONSE_ACCEPT);
3756         dialog.set_position (WIN_POS_CENTER);
3757         message.show();
3758         image->show();
3759         hbox->show();
3760
3761         switch (dialog.run ()) {
3762         case RESPONSE_ACCEPT:
3763                 return 1;
3764         default:
3765                 return 0;
3766         }
3767 }
3768
3769 int
3770 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3771 {
3772         HBox* hbox = new HBox();
3773         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3774         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3775         Label  message (string_compose (_("\
3776 This session was created with a sample rate of %1 Hz, but\n\
3777 %2 is currently running at %3 Hz.  If you load this session,\n\
3778 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3779
3780         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3781         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3782         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3783         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3784         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3785         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3786         dialog.set_default_response (RESPONSE_ACCEPT);
3787         dialog.set_position (WIN_POS_CENTER);
3788         message.show();
3789         image->show();
3790         hbox->show();
3791
3792         switch (dialog.run ()) {
3793         case RESPONSE_ACCEPT:
3794                 return 0;
3795         default:
3796                 return 1;
3797         }
3798 }
3799
3800
3801 void
3802 ARDOUR_UI::disconnect_from_jack ()
3803 {
3804         if (engine) {
3805                 if (engine->disconnect_from_jack ()) {
3806                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3807                         msg.run ();
3808                 }
3809
3810                 update_sample_rate (0);
3811         }
3812 }
3813
3814 void
3815 ARDOUR_UI::reconnect_to_jack ()
3816 {
3817         if (engine) {
3818                 if (engine->reconnect_to_jack ()) {
3819                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3820                         msg.run ();
3821                 }
3822
3823                 update_sample_rate (0);
3824         }
3825 }
3826
3827 void
3828 ARDOUR_UI::use_config ()
3829 {
3830         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3831         if (node) {
3832                 set_transport_controllable_state (*node);
3833         }
3834 }
3835
3836 void
3837 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3838 {
3839         if (Config->get_primary_clock_delta_edit_cursor()) {
3840                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3841         } else {
3842                 primary_clock->set (pos);
3843         }
3844
3845         if (Config->get_secondary_clock_delta_edit_cursor()) {
3846                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3847         } else {
3848                 secondary_clock->set (pos);
3849         }
3850
3851         if (big_clock_window->get()) {
3852                 big_clock->set (pos);
3853         }
3854 #ifdef WITH_VIDEOTIMELINE
3855         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3856 #endif
3857 }
3858
3859
3860 void
3861 ARDOUR_UI::step_edit_status_change (bool yn)
3862 {
3863         // XXX should really store pre-step edit status of things
3864         // we make insensitive
3865
3866         if (yn) {
3867                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3868                 rec_button.set_sensitive (false);
3869         } else {
3870                 rec_button.unset_active_state ();;
3871                 rec_button.set_sensitive (true);
3872         }
3873 }
3874
3875 void
3876 ARDOUR_UI::record_state_changed ()
3877 {
3878         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3879
3880         if (!_session || !big_clock_window->get()) {
3881                 /* why bother - the clock isn't visible */
3882                 return;
3883         }
3884
3885         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3886                 big_clock->set_active (true);
3887         } else {
3888                 big_clock->set_active (false);
3889         }
3890 }
3891
3892 bool
3893 ARDOUR_UI::first_idle ()
3894 {
3895         if (_session) {
3896                 _session->allow_auto_play (true);
3897         }
3898
3899         if (editor) {
3900                 editor->first_idle();
3901         }
3902
3903         Keyboard::set_can_save_keybindings (true);
3904         return false;
3905 }
3906
3907 void
3908 ARDOUR_UI::store_clock_modes ()
3909 {
3910         XMLNode* node = new XMLNode(X_("ClockModes"));
3911
3912         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3913                 XMLNode* child = new XMLNode (X_("Clock"));
3914                 
3915                 child->add_property (X_("name"), (*x)->name());
3916                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3917                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3918
3919                 node->add_child_nocopy (*child);
3920         }
3921
3922         _session->add_extra_xml (*node);
3923         _session->set_dirty ();
3924 }
3925
3926 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3927         : Controllable (name), ui (u), type(tp)
3928 {
3929
3930 }
3931
3932 void
3933 ARDOUR_UI::TransportControllable::set_value (double val)
3934 {
3935         if (val < 0.5) {
3936                 /* do nothing: these are radio-style actions */
3937                 return;
3938         }
3939
3940         const char *action = 0;
3941
3942         switch (type) {
3943         case Roll:
3944                 action = X_("Roll");
3945                 break;
3946         case Stop:
3947                 action = X_("Stop");
3948                 break;
3949         case GotoStart:
3950                 action = X_("GotoStart");
3951                 break;
3952         case GotoEnd:
3953                 action = X_("GotoEnd");
3954                 break;
3955         case AutoLoop:
3956                 action = X_("Loop");
3957                 break;
3958         case PlaySelection:
3959                 action = X_("PlaySelection");
3960                 break;
3961         case RecordEnable:
3962                 action = X_("Record");
3963                 break;
3964         default:
3965                 break;
3966         }
3967
3968         if (action == 0) {
3969                 return;
3970         }
3971
3972         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3973
3974         if (act) {
3975                 act->activate ();
3976         }
3977 }
3978
3979 double
3980 ARDOUR_UI::TransportControllable::get_value (void) const
3981 {
3982         float val = 0.0;
3983
3984         switch (type) {
3985         case Roll:
3986                 break;
3987         case Stop:
3988                 break;
3989         case GotoStart:
3990                 break;
3991         case GotoEnd:
3992                 break;
3993         case AutoLoop:
3994                 break;
3995         case PlaySelection:
3996                 break;
3997         case RecordEnable:
3998                 break;
3999         default:
4000                 break;
4001         }
4002
4003         return val;
4004 }
4005
4006 void
4007 ARDOUR_UI::setup_profile ()
4008 {
4009         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4010                 Profile->set_small_screen ();
4011         }
4012
4013         if (getenv ("ARDOUR_SAE")) {
4014                 Profile->set_sae ();
4015                 Profile->set_single_package ();
4016         }
4017 }
4018
4019 /** Add a window proxy to our list, so that its state will be saved.
4020  *  This call also causes the window to be created and opened if its
4021  *  state was saved as `visible'.
4022  */
4023 void
4024 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4025 {
4026         _window_proxies.push_back (p);
4027         p->maybe_show ();
4028 }
4029
4030 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4031  *  is deleted, to prevent hanging pointers.
4032  */
4033 void
4034 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4035 {
4036         _window_proxies.remove (p);
4037 }
4038
4039 int
4040 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4041 {
4042         MissingFileDialog dialog (s, str, type);
4043
4044         dialog.show ();
4045         dialog.present ();
4046
4047         int result = dialog.run ();
4048         dialog.hide ();
4049
4050         switch (result) {
4051         case RESPONSE_OK:
4052                 break;
4053         default:
4054                 return 1; // quit entire session load
4055         }
4056
4057         result = dialog.get_action ();
4058
4059         return result;
4060 }
4061
4062 int
4063 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4064 {
4065         AmbiguousFileDialog dialog (file, hits);
4066
4067         dialog.show ();
4068         dialog.present ();
4069
4070         dialog.run ();
4071         return dialog.get_which ();
4072 }
4073
4074 /** Allocate our thread-local buffers */
4075 void
4076 ARDOUR_UI::get_process_buffers ()
4077 {
4078         _process_thread->get_buffers ();
4079 }
4080
4081 /** Drop our thread-local buffers */
4082 void
4083 ARDOUR_UI::drop_process_buffers ()
4084 {
4085         _process_thread->drop_buffers ();
4086 }
4087
4088 void
4089 ARDOUR_UI::feedback_detected ()
4090 {
4091         _feedback_exists = true;
4092 }
4093
4094 void
4095 ARDOUR_UI::successful_graph_sort ()
4096 {
4097         _feedback_exists = false;
4098 }
4099
4100 void
4101 ARDOUR_UI::midi_panic ()
4102 {
4103         if (_session) {
4104                 _session->midi_panic();
4105         }
4106 }
4107
4108 void
4109 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4110 {
4111         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4112         const char* end_big = "</span>";
4113         const char* start_mono = "<tt>";
4114         const char* end_mono = "</tt>";
4115
4116         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4117                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4118                                              "From now on, use the -2000 version with older versions of %3"),
4119                                            xml_path, backup_path, PROGRAM_NAME,
4120                                            start_big, end_big,
4121                                            start_mono, end_mono), true);
4122
4123         msg.run ();
4124 }