ac7e493fe3815e432094adfb1a5be901cad09bfa
[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                         unsigned int i = 0;
671                         // wait for announce reply from nsm server
672                         for ( i = 0; i < 5000; ++i) {
673                                 nsm->check ();
674                                 usleep (i);
675                                 if (nsm->is_active())
676                                         break;
677                         }
678                         // wait for open command from nsm server
679                         for ( i = 0; i < 5000; ++i) {
680                                 nsm->check ();
681                                 usleep (1000);
682                                 if (nsm->client_id ())
683                                         break;
684                         }
685
686                         if (_session && nsm) {
687                                 _session->set_nsm_state( nsm->is_active() );
688                         }
689
690                         // nsm requires these actions disabled
691                         vector<string> action_names;
692                         action_names.push_back("Snapshot");
693                         action_names.push_back("SaveAs");
694                         action_names.push_back("Rename");
695                         action_names.push_back("New");
696                         action_names.push_back("Open");
697                         action_names.push_back("Recent");
698                         action_names.push_back("Close");
699
700                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
701                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
702                                 if (act) {
703                                         act->set_sensitive (false);
704                                 }
705                         }
706
707                 }
708                 else {
709                         delete nsm;
710                         nsm = 0;
711                 }
712         }
713
714         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
715                 exit (1);
716         }
717
718         use_config ();
719
720         goto_editor_window ();
721
722         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
723            to be opened on top of the editor window that goto_editor_window() just opened.
724         */
725         add_window_proxy (location_ui);
726         add_window_proxy (big_clock_window);
727         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
728                 add_window_proxy (_global_port_matrix[*i]);
729         }
730
731         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
732          * editor window, and we may want stuff to be hidden.
733          */
734         _status_bar_visibility.update ();
735
736         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
737 }
738
739 void
740 ARDOUR_UI::no_memory_warning ()
741 {
742         XMLNode node (X_("no-memory-warning"));
743         Config->add_instant_xml (node);
744 }
745
746 void
747 ARDOUR_UI::check_memory_locking ()
748 {
749 #ifdef __APPLE__
750         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
751         return;
752 #else // !__APPLE__
753
754         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
755
756         if (engine->is_realtime() && memory_warning_node == 0) {
757
758                 struct rlimit limits;
759                 int64_t ram;
760                 long pages, page_size;
761 #ifdef __FreeBSD__
762                 size_t pages_len=sizeof(pages);
763                 if ((page_size = getpagesize()) < 0 ||
764                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
765 #else
766                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
767 #endif
768                 {
769                         ram = 0;
770                 } else {
771                         ram = (int64_t) pages * (int64_t) page_size;
772                 }
773
774                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
775                         return;
776                 }
777
778                 if (limits.rlim_cur != RLIM_INFINITY) {
779
780                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
781
782                                 MessageDialog msg (
783                                         string_compose (
784                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
785                                                   "This might cause %1 to run out of memory before your system "
786                                                   "runs out of memory. \n\n"
787                                                   "You can view the memory limit with 'ulimit -l', "
788                                                   "and it is normally controlled by %2"),
789                                                 PROGRAM_NAME).c_str(), 
790 #ifdef __FreeBSD__
791                                         X_("/etc/login.conf")
792 #else
793                                         X_(" /etc/security/limits.conf")
794 #endif
795                                         );
796
797                                 msg.set_default_response (RESPONSE_OK);
798
799                                 VBox* vbox = msg.get_vbox();
800                                 HBox hbox;
801                                 CheckButton cb (_("Do not show this window again"));
802
803                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
804                                 
805                                 hbox.pack_start (cb, true, false);
806                                 vbox->pack_start (hbox);
807                                 cb.show();
808                                 vbox->show();
809                                 hbox.show ();
810
811                                 pop_back_splash (msg);
812
813                                 editor->ensure_float (msg);
814                                 msg.run ();
815                         }
816                 }
817         }
818 #endif // !__APPLE__
819 }
820
821
822 void
823 ARDOUR_UI::queue_finish ()
824 {
825         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
826 }
827
828 bool
829 ARDOUR_UI::idle_finish ()
830 {
831         finish ();
832         return false; /* do not call again */
833 }
834
835 void
836 ARDOUR_UI::finish()
837 {
838 #ifdef WITH_VIDEOTIMELINE
839         /* close video-monitor & pending requests
840          * would better be done in ~Editor() but that is not called..
841          */
842         ARDOUR_UI::instance()->video_timeline->close_session();
843 #endif
844         if (_session) {
845
846                 if (_session->dirty()) {
847                         vector<string> actions;
848                         actions.push_back (_("Don't quit"));
849                         actions.push_back (_("Just quit"));
850                         actions.push_back (_("Save and quit"));
851                         switch (ask_about_saving_session(actions)) {
852                         case -1:
853                                 return;
854                                 break;
855                         case 1:
856                                 /* use the default name */
857                                 if (save_state_canfail ("")) {
858                                         /* failed - don't quit */
859                                         MessageDialog msg (*editor,
860                                                            string_compose (_("\
861 %1 was unable to save your session.\n\n\
862 If you still wish to quit, please use the\n\n\
863 \"Just quit\" option."), PROGRAM_NAME));
864                                         pop_back_splash(msg);
865                                         msg.run ();
866                                         return;
867                                 }
868                                 break;
869                         case 0:
870                                 break;
871                         }
872                 }
873
874                 second_connection.disconnect ();
875                 point_one_second_connection.disconnect ();
876                 point_oh_five_second_connection.disconnect ();
877                 point_zero_one_second_connection.disconnect();
878         }
879
880 #ifdef WITH_VIDEOTIMELINE
881         delete ARDOUR_UI::instance()->video_timeline;
882         stop_video_server();
883 #endif
884
885         /* Save state before deleting the session, as that causes some
886            windows to be destroyed before their visible state can be
887            saved.
888         */
889         save_ardour_state ();
890
891         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
892
893         if (_session) {
894                 // _session->set_deletion_in_progress ();
895                 _session->set_clean ();
896                 _session->remove_pending_capture_state ();
897                 delete _session;
898                 _session = 0;
899         }
900
901         ArdourDialog::close_all_dialogs ();
902         engine->stop (true);
903         quit ();
904 }
905
906 int
907 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
908 {
909         ArdourDialog window (_("Unsaved Session"));
910         Gtk::HBox dhbox;  // the hbox for the image and text
911         Gtk::Label  prompt_label;
912         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
913
914         string msg;
915
916         assert (actions.size() >= 3);
917
918         window.add_button (actions[0], RESPONSE_REJECT);
919         window.add_button (actions[1], RESPONSE_APPLY);
920         window.add_button (actions[2], RESPONSE_ACCEPT);
921
922         window.set_default_response (RESPONSE_ACCEPT);
923
924         Gtk::Button noquit_button (msg);
925         noquit_button.set_name ("EditorGTKButton");
926
927         string prompt;
928
929         if (_session->snap_name() == _session->name()) {
930                 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?"),
931                                         _session->snap_name());
932         } else {
933                 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?"),
934                                         _session->snap_name());
935         }
936
937         prompt_label.set_text (prompt);
938         prompt_label.set_name (X_("PrompterLabel"));
939         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
940
941         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
942         dhbox.set_homogeneous (false);
943         dhbox.pack_start (*dimage, false, false, 5);
944         dhbox.pack_start (prompt_label, true, false, 5);
945         window.get_vbox()->pack_start (dhbox);
946
947         window.set_name (_("Prompter"));
948         window.set_position (Gtk::WIN_POS_MOUSE);
949         window.set_modal (true);
950         window.set_resizable (false);
951
952         dhbox.show();
953         prompt_label.show();
954         dimage->show();
955         window.show();
956         window.set_keep_above (true);
957         window.present ();
958
959         ResponseType r = (ResponseType) window.run();
960
961         window.hide ();
962
963         switch (r) {
964         case RESPONSE_ACCEPT: // save and get out of here
965                 return 1;
966         case RESPONSE_APPLY:  // get out of here
967                 return 0;
968         default:
969                 break;
970         }
971
972         return -1;
973 }
974
975
976 gint
977 ARDOUR_UI::every_second ()
978 {
979         update_cpu_load ();
980         update_buffer_load ();
981         update_disk_space ();
982         update_timecode_format ();
983
984         if (nsm && nsm->is_active ()) {
985                 nsm->check ();
986
987                 if (!_was_dirty && _session->dirty ()) {
988                         nsm->is_dirty ();
989                         _was_dirty = true;
990                 }
991                 else if (_was_dirty && !_session->dirty ()){
992                         nsm->is_clean ();
993                         _was_dirty = false;
994                 }
995         }
996         return TRUE;
997 }
998
999 gint
1000 ARDOUR_UI::every_point_one_seconds ()
1001 {
1002         shuttle_box->update_speed_display ();
1003         RapidScreenUpdate(); /* EMIT_SIGNAL */
1004         return TRUE;
1005 }
1006
1007 gint
1008 ARDOUR_UI::every_point_zero_one_seconds ()
1009 {
1010         // august 2007: actual update frequency: 40Hz, not 100Hz
1011
1012         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1013         return TRUE;
1014 }
1015
1016 void
1017 ARDOUR_UI::update_sample_rate (framecnt_t)
1018 {
1019         char buf[64];
1020
1021         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1022
1023         if (!engine->connected()) {
1024
1025                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1026
1027         } else {
1028
1029                 framecnt_t rate = engine->frame_rate();
1030
1031                 if (fmod (rate, 1000.0) != 0.0) {
1032                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1033                                   (float) rate/1000.0f,
1034                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1035                 } else {
1036                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1037                                   rate/1000,
1038                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1039                 }
1040         }
1041
1042         sample_rate_label.set_markup (buf);
1043 }
1044
1045 void
1046 ARDOUR_UI::update_format ()
1047 {
1048         if (!_session) {
1049                 format_label.set_text ("");
1050                 return;
1051         }
1052
1053         stringstream s;
1054         s << _("File:") << X_(" <span foreground=\"green\">");
1055
1056         switch (_session->config.get_native_file_header_format ()) {
1057         case BWF:
1058                 s << _("BWF");
1059                 break;
1060         case WAVE:
1061                 s << _("WAV");
1062                 break;
1063         case WAVE64:
1064                 s << _("WAV64");
1065                 break;
1066         case CAF:
1067                 s << _("CAF");
1068                 break;
1069         case AIFF:
1070                 s << _("AIFF");
1071                 break;
1072         case iXML:
1073                 s << _("iXML");
1074                 break;
1075         case RF64:
1076                 s << _("RF64");
1077                 break;
1078         }
1079
1080         s << " ";
1081         
1082         switch (_session->config.get_native_file_data_format ()) {
1083         case FormatFloat:
1084                 s << _("32-float");
1085                 break;
1086         case FormatInt24:
1087                 s << _("24-int");
1088                 break;
1089         case FormatInt16:
1090                 s << _("16-int");
1091                 break;
1092         }
1093
1094         s << X_("</span>");
1095
1096         format_label.set_markup (s.str ());
1097 }
1098
1099 void
1100 ARDOUR_UI::update_cpu_load ()
1101 {
1102         char buf[64];
1103
1104         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1105            should also be changed.
1106         */
1107
1108         float const c = engine->get_cpu_load ();
1109         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1110         cpu_load_label.set_markup (buf);
1111 }
1112
1113 void
1114 ARDOUR_UI::update_buffer_load ()
1115 {
1116         char buf[256];
1117
1118         uint32_t const playback = _session ? _session->playback_load () : 100;
1119         uint32_t const capture = _session ? _session->capture_load () : 100;
1120
1121         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1122            should also be changed.
1123         */
1124         
1125         if (_session) {
1126                 snprintf (
1127                         buf, sizeof (buf),
1128                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1129                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1130                         playback <= 5 ? X_("red") : X_("green"),
1131                         playback,
1132                         capture <= 5 ? X_("red") : X_("green"),
1133                         capture
1134                         );
1135
1136                 buffer_load_label.set_markup (buf);
1137         } else {
1138                 buffer_load_label.set_text ("");
1139         }
1140 }
1141
1142 void
1143 ARDOUR_UI::count_recenabled_streams (Route& route)
1144 {
1145         Track* track = dynamic_cast<Track*>(&route);
1146         if (track && track->record_enabled()) {
1147                 rec_enabled_streams += track->n_inputs().n_total();
1148         }
1149 }
1150
1151 void
1152 ARDOUR_UI::update_disk_space()
1153 {
1154         if (_session == 0) {
1155                 return;
1156         }
1157
1158         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1159         char buf[64];
1160         framecnt_t fr = _session->frame_rate();
1161
1162         if (!opt_frames) {
1163                 /* Available space is unknown */
1164                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1165         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1166                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1167         } else {
1168                 rec_enabled_streams = 0;
1169                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1170
1171                 framecnt_t frames = opt_frames.get_value_or (0);
1172
1173                 if (rec_enabled_streams) {
1174                         frames /= rec_enabled_streams;
1175                 }
1176
1177                 int hrs;
1178                 int mins;
1179                 int secs;
1180
1181                 hrs  = frames / (fr * 3600);
1182
1183                 if (hrs > 24) {
1184                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1185                 } else {
1186                         frames -= hrs * fr * 3600;
1187                         mins = frames / (fr * 60);
1188                         frames -= mins * fr * 60;
1189                         secs = frames / fr;
1190                         
1191                         bool const low = (hrs == 0 && mins <= 30);
1192                         
1193                         snprintf (
1194                                 buf, sizeof(buf),
1195                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1196                                 low ? X_("red") : X_("green"),
1197                                 hrs, mins, secs
1198                                 );
1199                 }
1200         }
1201
1202         disk_space_label.set_markup (buf);
1203 }
1204
1205 void
1206 ARDOUR_UI::update_timecode_format ()
1207 {
1208         char buf[64];
1209
1210         if (_session) {
1211                 bool matching;
1212                 TimecodeSlave* tcslave;
1213                 SyncSource sync_src = Config->get_sync_source();
1214
1215                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1216                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1217                 } else {
1218                         matching = true;
1219                 }
1220                         
1221                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1222                           matching ? X_("green") : X_("red"),
1223                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1224         } else {
1225                 snprintf (buf, sizeof (buf), "TC: n/a");
1226         }
1227
1228         timecode_format_label.set_markup (buf);
1229 }       
1230
1231 gint
1232 ARDOUR_UI::update_wall_clock ()
1233 {
1234         time_t now;
1235         struct tm *tm_now;
1236         static int last_min = -1;
1237
1238         time (&now);
1239         tm_now = localtime (&now);
1240         if (last_min != tm_now->tm_min) {
1241                 char buf[16];
1242                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1243                 wall_clock_label.set_text (buf);
1244                 last_min = tm_now->tm_min;
1245         }
1246
1247         return TRUE;
1248 }
1249
1250 void
1251 ARDOUR_UI::redisplay_recent_sessions ()
1252 {
1253         std::vector<std::string> session_directories;
1254         RecentSessionsSorter cmp;
1255
1256         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1257         recent_session_model->clear ();
1258
1259         ARDOUR::RecentSessions rs;
1260         ARDOUR::read_recent_sessions (rs);
1261
1262         if (rs.empty()) {
1263                 recent_session_display.set_model (recent_session_model);
1264                 return;
1265         }
1266
1267         // sort them alphabetically
1268         sort (rs.begin(), rs.end(), cmp);
1269
1270         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1271                 session_directories.push_back ((*i).second);
1272         }
1273
1274         for (vector<std::string>::const_iterator i = session_directories.begin();
1275                         i != session_directories.end(); ++i)
1276         {
1277                 std::vector<std::string> state_file_paths;
1278
1279                 // now get available states for this session
1280
1281                 get_state_files_in_directory (*i, state_file_paths);
1282
1283                 vector<string*>* states;
1284                 vector<const gchar*> item;
1285                 string fullpath = *i;
1286
1287                 /* remove any trailing / */
1288
1289                 if (fullpath[fullpath.length() - 1] == '/') {
1290                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1291                 }
1292
1293                 /* check whether session still exists */
1294                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1295                         /* session doesn't exist */
1296                         continue;
1297                 }
1298
1299                 /* now get available states for this session */
1300
1301                 if ((states = Session::possible_states (fullpath)) == 0) {
1302                         /* no state file? */
1303                         continue;
1304                 }
1305
1306                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1307
1308                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1309
1310                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1311                 row[recent_session_columns.fullpath] = fullpath;
1312                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1313
1314                 if (state_file_names.size() > 1) {
1315
1316                         // add the children
1317
1318                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1319                                         i2 != state_file_names.end(); ++i2)
1320                         {
1321
1322                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1323
1324                                 child_row[recent_session_columns.visible_name] = *i2;
1325                                 child_row[recent_session_columns.fullpath] = fullpath;
1326                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1327                         }
1328                 }
1329         }
1330
1331         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1332         recent_session_display.set_model (recent_session_model);
1333 }
1334
1335 void
1336 ARDOUR_UI::build_session_selector ()
1337 {
1338         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1339
1340         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1341
1342         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1343         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1344         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1345         recent_session_model = TreeStore::create (recent_session_columns);
1346         recent_session_display.set_model (recent_session_model);
1347         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1348         recent_session_display.set_headers_visible (false);
1349         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1350         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1351
1352         scroller->add (recent_session_display);
1353         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1354
1355         session_selector_window->set_name ("SessionSelectorWindow");
1356         session_selector_window->set_size_request (200, 400);
1357         session_selector_window->get_vbox()->pack_start (*scroller);
1358
1359         recent_session_display.show();
1360         scroller->show();
1361 }
1362
1363 void
1364 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1365 {
1366         session_selector_window->response (RESPONSE_ACCEPT);
1367 }
1368
1369 void
1370 ARDOUR_UI::open_recent_session ()
1371 {
1372         bool can_return = (_session != 0);
1373
1374         if (session_selector_window == 0) {
1375                 build_session_selector ();
1376         }
1377
1378         redisplay_recent_sessions ();
1379
1380         while (true) {
1381
1382                 session_selector_window->set_position (WIN_POS_MOUSE);
1383
1384                 ResponseType r = (ResponseType) session_selector_window->run ();
1385
1386                 switch (r) {
1387                 case RESPONSE_ACCEPT:
1388                         break;
1389                 default:
1390                         if (can_return) {
1391                                 session_selector_window->hide();
1392                                 return;
1393                         } else {
1394                                 exit (1);
1395                         }
1396                 }
1397
1398                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1399                         continue;
1400                 }
1401
1402                 session_selector_window->hide();
1403
1404                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1405
1406                 if (i == recent_session_model->children().end()) {
1407                         return;
1408                 }
1409
1410                 std::string path = (*i)[recent_session_columns.fullpath];
1411                 std::string state = (*i)[recent_session_columns.visible_name];
1412
1413                 _session_is_new = false;
1414
1415                 if (load_session (path, state) == 0) {
1416                         break;
1417                 }
1418
1419                 can_return = false;
1420         }
1421 }
1422
1423 bool
1424 ARDOUR_UI::check_audioengine ()
1425 {
1426         if (engine) {
1427                 if (!engine->connected()) {
1428                         MessageDialog msg (string_compose (
1429                                                    _("%1 is not connected to JACK\n"
1430                                                      "You cannot open or close sessions in this condition"),
1431                                                    PROGRAM_NAME));
1432                         pop_back_splash (msg);
1433                         msg.run ();
1434                         return false;
1435                 }
1436                 return true;
1437         } else {
1438                 return false;
1439         }
1440 }
1441
1442 void
1443 ARDOUR_UI::open_session ()
1444 {
1445         if (!check_audioengine()) {
1446                 return;
1447
1448         }
1449
1450         /* popup selector window */
1451
1452         if (open_session_selector == 0) {
1453
1454                 /* ardour sessions are folders */
1455
1456                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1457                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1458                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1459                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1460                 
1461                 if (_session) {
1462                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1463                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1464                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1465                         open_session_selector->set_current_folder(session_parent_dir);
1466                 } else {
1467                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1468                 }
1469
1470                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1471
1472                 FileFilter session_filter;
1473                 session_filter.add_pattern ("*.ardour");
1474                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1475                 open_session_selector->add_filter (session_filter);
1476                 open_session_selector->set_filter (session_filter);
1477         }
1478
1479         int response = open_session_selector->run();
1480         open_session_selector->hide ();
1481
1482         switch (response) {
1483         case RESPONSE_ACCEPT:
1484                 break;
1485         default:
1486                 open_session_selector->hide();
1487                 return;
1488         }
1489
1490         open_session_selector->hide();
1491         string session_path = open_session_selector->get_filename();
1492         string path, name;
1493         bool isnew;
1494
1495         if (session_path.length() > 0) {
1496                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1497                         _session_is_new = isnew;
1498                         load_session (path, name);
1499                 }
1500         }
1501 }
1502
1503
1504 void
1505 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group, 
1506                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1507 {
1508         list<boost::shared_ptr<MidiTrack> > tracks;
1509
1510         if (_session == 0) {
1511                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1512                 return;
1513         }
1514
1515         try {
1516                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1517                 
1518                 if (tracks.size() != how_many) {
1519                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1520                 }
1521         }
1522
1523         catch (...) {
1524                 MessageDialog msg (*editor,
1525                                    string_compose (_("There are insufficient JACK ports available\n\
1526 to create a new track or bus.\n\
1527 You should save %1, exit and\n\
1528 restart JACK with more ports."), PROGRAM_NAME));
1529                 msg.run ();
1530         }
1531 }
1532         
1533
1534 void
1535 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1536 {
1537         ChanCount one_midi_channel;
1538         one_midi_channel.set (DataType::MIDI, 1);
1539
1540         if (disk) {
1541                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1542         }
1543 }
1544
1545 void
1546 ARDOUR_UI::session_add_audio_route (
1547         bool track,
1548         int32_t input_channels,
1549         int32_t output_channels,
1550         ARDOUR::TrackMode mode,
1551         RouteGroup* route_group,
1552         uint32_t how_many,
1553         string const & name_template
1554         )
1555 {
1556         list<boost::shared_ptr<AudioTrack> > tracks;
1557         RouteList routes;
1558
1559         if (_session == 0) {
1560                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1561                 return;
1562         }
1563
1564         try {
1565                 if (track) {
1566                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1567
1568                         if (tracks.size() != how_many) {
1569                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many) 
1570                                       << endmsg;
1571                         }
1572
1573                 } else {
1574
1575                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1576
1577                         if (routes.size() != how_many) {
1578                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1579                                       << endmsg;
1580                         }
1581                 }
1582         }
1583
1584         catch (...) {
1585                 MessageDialog msg (*editor,
1586                                    string_compose (_("There are insufficient JACK ports available\n\
1587 to create a new track or bus.\n\
1588 You should save %1, exit and\n\
1589 restart JACK with more ports."), PROGRAM_NAME));
1590                 pop_back_splash (msg);
1591                 msg.run ();
1592         }
1593 }
1594
1595 void
1596 ARDOUR_UI::transport_goto_start ()
1597 {
1598         if (_session) {
1599                 _session->goto_start();
1600
1601                 /* force displayed area in editor to start no matter
1602                    what "follow playhead" setting is.
1603                 */
1604
1605                 if (editor) {
1606                         editor->center_screen (_session->current_start_frame ());
1607                 }
1608         }
1609 }
1610
1611 void
1612 ARDOUR_UI::transport_goto_zero ()
1613 {
1614         if (_session) {
1615                 _session->request_locate (0);
1616
1617                 /* force displayed area in editor to start no matter
1618                    what "follow playhead" setting is.
1619                 */
1620
1621                 if (editor) {
1622                         editor->reset_x_origin (0);
1623                 }
1624         }
1625 }
1626
1627 void
1628 ARDOUR_UI::transport_goto_wallclock ()
1629 {
1630         if (_session && editor) {
1631
1632                 time_t now;
1633                 struct tm tmnow;
1634                 framepos_t frames;
1635
1636                 time (&now);
1637                 localtime_r (&now, &tmnow);
1638
1639                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1640                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1641                 frames += tmnow.tm_sec * _session->frame_rate();
1642
1643                 _session->request_locate (frames, _session->transport_rolling ());
1644
1645                 /* force displayed area in editor to start no matter
1646                    what "follow playhead" setting is.
1647                 */
1648
1649                 if (editor) {
1650                         editor->center_screen (frames);
1651                 }
1652         }
1653 }
1654
1655 void
1656 ARDOUR_UI::transport_goto_end ()
1657 {
1658         if (_session) {
1659                 framepos_t const frame = _session->current_end_frame();
1660                 _session->request_locate (frame);
1661
1662                 /* force displayed area in editor to start no matter
1663                    what "follow playhead" setting is.
1664                 */
1665
1666                 if (editor) {
1667                         editor->center_screen (frame);
1668                 }
1669         }
1670 }
1671
1672 void
1673 ARDOUR_UI::transport_stop ()
1674 {
1675         if (!_session) {
1676                 return;
1677         }
1678
1679         if (_session->is_auditioning()) {
1680                 _session->cancel_audition ();
1681                 return;
1682         }
1683
1684         _session->request_stop (false, true);
1685 }
1686
1687 void
1688 ARDOUR_UI::transport_record (bool roll)
1689 {
1690
1691         if (_session) {
1692                 switch (_session->record_status()) {
1693                 case Session::Disabled:
1694                         if (_session->ntracks() == 0) {
1695                                 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."));
1696                                 msg.run ();
1697                                 return;
1698                         }
1699                         _session->maybe_enable_record ();
1700                         if (roll) {
1701                                 transport_roll ();
1702                         }
1703                         break;
1704                 case Session::Recording:
1705                         if (roll) {
1706                                 _session->request_stop();
1707                         } else {
1708                                 _session->disable_record (false, true);
1709                         }
1710                         break;
1711
1712                 case Session::Enabled:
1713                         _session->disable_record (false, true);
1714                 }
1715         }
1716 }
1717
1718 void
1719 ARDOUR_UI::transport_roll ()
1720 {
1721         if (!_session) {
1722                 return;
1723         }
1724
1725         if (_session->is_auditioning()) {
1726                 return;
1727         }
1728
1729 #if 0
1730         if (_session->config.get_external_sync()) {
1731                 switch (Config->get_sync_source()) {
1732                 case JACK:
1733                         break;
1734                 default:
1735                         /* transport controlled by the master */
1736                         return;
1737                 }
1738         }
1739 #endif
1740
1741         bool rolling = _session->transport_rolling();
1742
1743         if (_session->get_play_loop()) {
1744                 /* XXX it is not possible to just leave seamless loop and keep
1745                    playing at present (nov 4th 2009)
1746                 */
1747                 if (!Config->get_seamless_loop()) {
1748                         _session->request_play_loop (false, true);
1749                 }
1750         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1751                 /* stop playing a range if we currently are */
1752                 _session->request_play_range (0, true);
1753         }
1754
1755         if (!rolling) {
1756                 _session->request_transport_speed (1.0f);
1757         }
1758 }
1759
1760 bool
1761 ARDOUR_UI::get_smart_mode() const
1762 {
1763         return ( editor->get_smart_mode() );
1764 }
1765
1766
1767 void
1768 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1769 {
1770
1771         if (!_session) {
1772                 return;
1773         }
1774
1775         if (_session->is_auditioning()) {
1776                 _session->cancel_audition ();
1777                 return;
1778         }
1779
1780         if (_session->config.get_external_sync()) {
1781                 switch (Config->get_sync_source()) {
1782                 case JACK:
1783                         break;
1784                 default:
1785                         /* transport controlled by the master */
1786                         return;
1787                 }
1788         }
1789
1790         bool rolling = _session->transport_rolling();
1791         bool affect_transport = true;
1792
1793         if (rolling && roll_out_of_bounded_mode) {
1794                 /* drop out of loop/range playback but leave transport rolling */
1795                 if (_session->get_play_loop()) {
1796                         if (Config->get_seamless_loop()) {
1797                                 /* the disk buffers contain copies of the loop - we can't
1798                                    just keep playing, so stop the transport. the user
1799                                    can restart as they wish.
1800                                 */
1801                                 affect_transport = true;
1802                         } else {
1803                                 /* disk buffers are normal, so we can keep playing */
1804                                 affect_transport = false;
1805                         }
1806                         _session->request_play_loop (false, true);
1807                 } else if (_session->get_play_range ()) {
1808                         affect_transport = false;
1809                         _session->request_play_range (0, true);
1810                 }
1811         }
1812
1813         if (affect_transport) {
1814                 if (rolling) {
1815                         _session->request_stop (with_abort, true);
1816                 } else {
1817                         if ( Config->get_always_play_range() ) {
1818                                 _session->request_play_range (&editor->get_selection().time, true);
1819                         }
1820
1821                         _session->request_transport_speed (1.0f);
1822                 }
1823         }
1824 }
1825
1826 void
1827 ARDOUR_UI::toggle_session_auto_loop ()
1828 {
1829         Location * looploc = _session->locations()->auto_loop_location();
1830
1831         if (!_session || !looploc) {
1832                 return;
1833         }
1834
1835         if (_session->get_play_loop()) {
1836
1837                 if (_session->transport_rolling()) {
1838
1839                         _session->request_locate (looploc->start(), true);
1840                         _session->request_play_loop (false);
1841
1842                 } else {
1843                         _session->request_play_loop (false);
1844                 }
1845         } else {
1846                 _session->request_play_loop (true);
1847         }
1848         
1849         //show the loop markers
1850         looploc->set_hidden (false, this);
1851 }
1852
1853 void
1854 ARDOUR_UI::transport_play_selection ()
1855 {
1856         if (!_session) {
1857                 return;
1858         }
1859
1860         editor->play_selection ();
1861 }
1862
1863 void
1864 ARDOUR_UI::transport_play_preroll ()
1865 {
1866         if (!_session) {
1867                 return;
1868         }
1869         editor->play_with_preroll ();
1870 }
1871
1872 void
1873 ARDOUR_UI::transport_rewind (int option)
1874 {
1875         float current_transport_speed;
1876
1877         if (_session) {
1878                 current_transport_speed = _session->transport_speed();
1879
1880                 if (current_transport_speed >= 0.0f) {
1881                         switch (option) {
1882                         case 0:
1883                                 _session->request_transport_speed (-1.0f);
1884                                 break;
1885                         case 1:
1886                                 _session->request_transport_speed (-4.0f);
1887                                 break;
1888                         case -1:
1889                                 _session->request_transport_speed (-0.5f);
1890                                 break;
1891                         }
1892                 } else {
1893                         /* speed up */
1894                         _session->request_transport_speed (current_transport_speed * 1.5f);
1895                 }
1896         }
1897 }
1898
1899 void
1900 ARDOUR_UI::transport_forward (int option)
1901 {
1902         if (!_session) {
1903                 return;
1904         }
1905         
1906         float current_transport_speed = _session->transport_speed();
1907         
1908         if (current_transport_speed <= 0.0f) {
1909                 switch (option) {
1910                 case 0:
1911                         _session->request_transport_speed (1.0f);
1912                         break;
1913                 case 1:
1914                         _session->request_transport_speed (4.0f);
1915                         break;
1916                 case -1:
1917                         _session->request_transport_speed (0.5f);
1918                         break;
1919                 }
1920         } else {
1921                 /* speed up */
1922                 _session->request_transport_speed (current_transport_speed * 1.5f);
1923         }
1924 }
1925
1926 void
1927 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1928 {
1929         if (!_session) {
1930                 return;
1931         }
1932
1933         boost::shared_ptr<Route> r;
1934
1935         if ((r = _session->route_by_remote_id (rid)) != 0) {
1936
1937                 Track* t;
1938
1939                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1940                         t->set_record_enabled (!t->record_enabled(), this);
1941                 }
1942         }
1943 }
1944
1945 void
1946 ARDOUR_UI::map_transport_state ()
1947 {
1948         if (!_session) {
1949                 auto_loop_button.unset_active_state ();
1950                 play_selection_button.unset_active_state ();
1951                 roll_button.unset_active_state ();
1952                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1953                 return;
1954         }
1955
1956         shuttle_box->map_transport_state ();
1957
1958         float sp = _session->transport_speed();
1959
1960         if (sp != 0.0f) {
1961
1962                 /* we're rolling */
1963
1964                 if (_session->get_play_range()) {
1965
1966                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1967                         roll_button.unset_active_state ();
1968                         auto_loop_button.unset_active_state ();
1969
1970                 } else if (_session->get_play_loop ()) {
1971
1972                         auto_loop_button.set_active (true);
1973                         play_selection_button.set_active (false);
1974                         roll_button.set_active (false);
1975
1976                 } else {
1977
1978                         roll_button.set_active (true);
1979                         play_selection_button.set_active (false);
1980                         auto_loop_button.set_active (false);
1981                 }
1982
1983                 if (Config->get_always_play_range()) {
1984                         /* light up both roll and play-selection if they are joined */
1985                         roll_button.set_active (true);
1986                         play_selection_button.set_active (true);
1987                 }
1988
1989                 stop_button.set_active (false);
1990
1991         } else {
1992
1993                 stop_button.set_active (true);
1994                 roll_button.set_active (false);
1995                 play_selection_button.set_active (false);
1996                 auto_loop_button.set_active (false);
1997                 update_disk_space ();
1998         }
1999 }
2000
2001 void
2002 ARDOUR_UI::engine_stopped ()
2003 {
2004         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2005         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2006         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2007 }
2008
2009 void
2010 ARDOUR_UI::engine_running ()
2011 {
2012         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2013         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2014         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2015
2016         Glib::RefPtr<Action> action;
2017         const char* action_name = 0;
2018
2019         switch (engine->frames_per_cycle()) {
2020         case 32:
2021                 action_name = X_("JACKLatency32");
2022                 break;
2023         case 64:
2024                 action_name = X_("JACKLatency64");
2025                 break;
2026         case 128:
2027                 action_name = X_("JACKLatency128");
2028                 break;
2029         case 512:
2030                 action_name = X_("JACKLatency512");
2031                 break;
2032         case 1024:
2033                 action_name = X_("JACKLatency1024");
2034                 break;
2035         case 2048:
2036                 action_name = X_("JACKLatency2048");
2037                 break;
2038         case 4096:
2039                 action_name = X_("JACKLatency4096");
2040                 break;
2041         case 8192:
2042                 action_name = X_("JACKLatency8192");
2043                 break;
2044         default:
2045                 /* XXX can we do anything useful ? */
2046                 break;
2047         }
2048
2049         if (action_name) {
2050
2051                 action = ActionManager::get_action (X_("JACK"), action_name);
2052
2053                 if (action) {
2054                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2055                         ract->set_active ();
2056                 }
2057         }
2058 }
2059
2060 void
2061 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2062 {
2063         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2064                 /* we can't rely on the original string continuing to exist when we are called
2065                    again in the GUI thread, so make a copy and note that we need to
2066                    free it later.
2067                 */
2068                 char *copy = strdup (reason);
2069                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2070                 return;
2071         }
2072
2073         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2074         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2075
2076         update_sample_rate (0);
2077
2078         string msgstr;
2079
2080         /* if the reason is a non-empty string, it means that the backend was shutdown
2081            rather than just Ardour.
2082         */
2083
2084         if (strlen (reason)) {
2085                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2086         } else {
2087                 msgstr = string_compose (_("\
2088 JACK has either been shutdown or it\n\
2089 disconnected %1 because %1\n\
2090 was not fast enough. Try to restart\n\
2091 JACK, reconnect and save the session."), PROGRAM_NAME);
2092         }
2093
2094         MessageDialog msg (*editor, msgstr);
2095         pop_back_splash (msg);
2096         msg.set_keep_above (true);
2097         msg.run ();
2098         
2099         if (free_reason) {
2100                 free (const_cast<char*> (reason));
2101         }
2102 }
2103
2104 int32_t
2105 ARDOUR_UI::do_engine_start ()
2106 {
2107         try {
2108                 engine->start();
2109         }
2110
2111         catch (...) {
2112                 engine->stop ();
2113                 error << _("Unable to start the session running")
2114                       << endmsg;
2115                 unload_session ();
2116                 return -2;
2117         }
2118
2119         return 0;
2120 }
2121
2122 void
2123 ARDOUR_UI::update_clocks ()
2124 {
2125         if (!editor || !editor->dragging_playhead()) {
2126                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2127         }
2128 }
2129
2130 void
2131 ARDOUR_UI::start_clocking ()
2132 {
2133         if (Config->get_super_rapid_clock_update()) {
2134                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2135         } else {
2136                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2137         }
2138 }
2139
2140 void
2141 ARDOUR_UI::stop_clocking ()
2142 {
2143         clock_signal_connection.disconnect ();
2144 }
2145
2146 gint
2147 ARDOUR_UI::_blink (void *arg)
2148 {
2149         ((ARDOUR_UI *) arg)->blink ();
2150         return TRUE;
2151 }
2152
2153 void
2154 ARDOUR_UI::blink ()
2155 {
2156         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2157 }
2158
2159 void
2160 ARDOUR_UI::start_blinking ()
2161 {
2162         /* Start the blink signal. Everybody with a blinking widget
2163            uses Blink to drive the widget's state.
2164         */
2165
2166         if (blink_timeout_tag < 0) {
2167                 blink_on = false;
2168                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2169         }
2170 }
2171
2172 void
2173 ARDOUR_UI::stop_blinking ()
2174 {
2175         if (blink_timeout_tag >= 0) {
2176                 g_source_remove (blink_timeout_tag);
2177                 blink_timeout_tag = -1;
2178         }
2179 }
2180
2181
2182 /** Ask the user for the name of a new snapshot and then take it.
2183  */
2184
2185 void
2186 ARDOUR_UI::snapshot_session (bool switch_to_it)
2187 {
2188         ArdourPrompter prompter (true);
2189         string snapname;
2190
2191         prompter.set_name ("Prompter");
2192         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2193         prompter.set_title (_("Take Snapshot"));
2194         prompter.set_prompt (_("Name of new snapshot"));
2195
2196         if (!switch_to_it) {
2197                 char timebuf[128];
2198                 time_t n;
2199                 struct tm local_time;
2200
2201                 time (&n);
2202                 localtime_r (&n, &local_time);
2203                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2204                 prompter.set_initial_text (timebuf);
2205         }
2206
2207   again:
2208         switch (prompter.run()) {
2209         case RESPONSE_ACCEPT:
2210         {
2211                 prompter.get_result (snapname);
2212
2213                 bool do_save = (snapname.length() != 0);
2214
2215                 if (do_save) {
2216                         char illegal = Session::session_name_is_legal(snapname);
2217                         if (illegal) {
2218                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2219                                                      "snapshot names may not contain a '%1' character"), illegal));
2220                                 msg.run ();
2221                                 goto again;
2222                         }
2223                 }
2224
2225                 vector<std::string> p;
2226                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2227                 vector<string> n = get_file_names_no_extension (p);
2228                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2229
2230                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2231                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2232                         confirm.get_vbox()->pack_start (m, true, true);
2233                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2234                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2235                         confirm.show_all ();
2236                         switch (confirm.run()) {
2237                         case RESPONSE_CANCEL:
2238                                 do_save = false;
2239                         }
2240                 }
2241
2242                 if (do_save) {
2243                         save_state (snapname, switch_to_it);
2244                 }
2245                 break;
2246         }
2247
2248         default:
2249                 break;
2250         }
2251 }
2252
2253 /** Ask the user for a new session name and then rename the session to it.
2254  */
2255
2256 void
2257 ARDOUR_UI::rename_session ()
2258 {
2259         if (!_session) {
2260                 return;
2261         }
2262
2263         ArdourPrompter prompter (true);
2264         string name;
2265
2266         prompter.set_name ("Prompter");
2267         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2268         prompter.set_title (_("Rename Session"));
2269         prompter.set_prompt (_("New session name"));
2270
2271   again:
2272         switch (prompter.run()) {
2273         case RESPONSE_ACCEPT:
2274         {
2275                 prompter.get_result (name);
2276
2277                 bool do_rename = (name.length() != 0);
2278
2279                 if (do_rename) {
2280                         char illegal = Session::session_name_is_legal (name);
2281
2282                         if (illegal) {
2283                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2284                                                                      "session names may not contain a '%1' character"), illegal));
2285                                 msg.run ();
2286                                 goto again;
2287                         }
2288
2289                         switch (_session->rename (name)) {
2290                         case -1: {
2291                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2292                                 msg.set_position (WIN_POS_MOUSE);
2293                                 msg.run ();
2294                                 goto again;
2295                                 break;
2296                         }
2297                         case 0:
2298                                 break;
2299                         default: {
2300                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2301                                 msg.set_position (WIN_POS_MOUSE);
2302                                 msg.run ();
2303                                 break;
2304                         }
2305                         }
2306                 }
2307                 
2308                 break;
2309         }
2310
2311         default:
2312                 break;
2313         }
2314 }
2315
2316 void
2317 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2318 {
2319         XMLNode* node = new XMLNode (X_("UI"));
2320
2321         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2322                 if (!(*i)->rc_configured()) {
2323                         node->add_child_nocopy (*((*i)->get_state ()));
2324                 }
2325         }
2326
2327         node->add_child_nocopy (gui_object_state->get_state());
2328
2329         _session->add_extra_xml (*node);
2330
2331         save_state_canfail (name, switch_to_it);
2332 }
2333
2334 int
2335 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2336 {
2337         if (_session) {
2338                 int ret;
2339
2340                 if (name.length() == 0) {
2341                         name = _session->snap_name();
2342                 }
2343
2344                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2345                         return ret;
2346                 }
2347         }
2348
2349         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2350         return 0;
2351 }
2352
2353 void
2354 ARDOUR_UI::primary_clock_value_changed ()
2355 {
2356         if (_session) {
2357                 _session->request_locate (primary_clock->current_time ());
2358         }
2359 }
2360
2361 void
2362 ARDOUR_UI::big_clock_value_changed ()
2363 {
2364         if (_session) {
2365                 _session->request_locate (big_clock->current_time ());
2366         }
2367 }
2368
2369 void
2370 ARDOUR_UI::secondary_clock_value_changed ()
2371 {
2372         if (_session) {
2373                 _session->request_locate (secondary_clock->current_time ());
2374         }
2375 }
2376
2377 void
2378 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2379 {
2380         if (_session == 0) {
2381                 return;
2382         }
2383
2384         if (_session->step_editing()) {
2385                 return;
2386         }
2387
2388         Session::RecordState const r = _session->record_status ();
2389         bool const h = _session->have_rec_enabled_track ();
2390
2391         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2392                 if (onoff) {
2393                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2394                 } else {
2395                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2396                 }
2397         } else if (r == Session::Recording && h) {
2398                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2399         } else {
2400                 rec_button.unset_active_state ();
2401         }
2402 }
2403
2404 void
2405 ARDOUR_UI::save_template ()
2406 {
2407         ArdourPrompter prompter (true);
2408         string name;
2409
2410         if (!check_audioengine()) {
2411                 return;
2412         }
2413
2414         prompter.set_name (X_("Prompter"));
2415         prompter.set_title (_("Save Template"));
2416         prompter.set_prompt (_("Name for template:"));
2417         prompter.set_initial_text(_session->name() + _("-template"));
2418         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2419
2420         switch (prompter.run()) {
2421         case RESPONSE_ACCEPT:
2422                 prompter.get_result (name);
2423
2424                 if (name.length()) {
2425                         _session->save_template (name);
2426                 }
2427                 break;
2428
2429         default:
2430                 break;
2431         }
2432 }
2433
2434 void
2435 ARDOUR_UI::edit_metadata ()
2436 {
2437         SessionMetadataEditor dialog;
2438         dialog.set_session (_session);
2439         editor->ensure_float (dialog);
2440         dialog.run ();
2441 }
2442
2443 void
2444 ARDOUR_UI::import_metadata ()
2445 {
2446         SessionMetadataImporter dialog;
2447         dialog.set_session (_session);
2448         editor->ensure_float (dialog);
2449         dialog.run ();
2450 }
2451
2452 bool
2453 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2454 {
2455         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2456
2457         MessageDialog msg (str,
2458                            false,
2459                            Gtk::MESSAGE_WARNING,
2460                            Gtk::BUTTONS_YES_NO,
2461                            true);
2462
2463
2464         msg.set_name (X_("OpenExistingDialog"));
2465         msg.set_title (_("Open Existing Session"));
2466         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2467         msg.set_position (Gtk::WIN_POS_MOUSE);
2468         pop_back_splash (msg);
2469
2470         switch (msg.run()) {
2471         case RESPONSE_YES:
2472                 return true;
2473                 break;
2474         }
2475         return false;
2476 }
2477
2478 int
2479 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2480 {
2481         BusProfile bus_profile;
2482
2483         if (nsm || Profile->get_sae()) {
2484
2485                 bus_profile.master_out_channels = 2;
2486                 bus_profile.input_ac = AutoConnectPhysical;
2487                 bus_profile.output_ac = AutoConnectMaster;
2488                 bus_profile.requested_physical_in = 0; // use all available
2489                 bus_profile.requested_physical_out = 0; // use all available
2490
2491         } else {
2492
2493                 /* get settings from advanced section of NSD */
2494
2495                 if (_startup->create_master_bus()) {
2496                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2497                 } else {
2498                         bus_profile.master_out_channels = 0;
2499                 }
2500
2501                 if (_startup->connect_inputs()) {
2502                         bus_profile.input_ac = AutoConnectPhysical;
2503                 } else {
2504                         bus_profile.input_ac = AutoConnectOption (0);
2505                 }
2506
2507                 bus_profile.output_ac = AutoConnectOption (0);
2508
2509                 if (_startup->connect_outputs ()) {
2510                         if (_startup->connect_outs_to_master()) {
2511                                 bus_profile.output_ac = AutoConnectMaster;
2512                         } else if (_startup->connect_outs_to_physical()) {
2513                                 bus_profile.output_ac = AutoConnectPhysical;
2514                         }
2515                 }
2516
2517                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2518                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2519         }
2520
2521         if (build_session (session_path, session_name, bus_profile)) {
2522                 return -1;
2523         }
2524
2525         return 0;
2526 }
2527
2528 void
2529 ARDOUR_UI::idle_load (const std::string& path)
2530 {
2531         if (_session) {
2532                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2533                         /* /path/to/foo => /path/to/foo, foo */
2534                         load_session (path, basename_nosuffix (path));
2535                 } else {
2536                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2537                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2538                 }
2539
2540         } else {
2541                 ARDOUR_COMMAND_LINE::session_name = path;
2542         }
2543 }
2544
2545 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2546 int
2547 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2548 {
2549         string session_name;
2550         string session_path;
2551         string template_name;
2552         int ret = -1;
2553         bool likely_new = false;
2554
2555         /* deal with any existing DIRTY session now, rather than later. don't
2556          * treat a non-dirty session this way, so that it stays visible 
2557          * as we bring up the new session dialog.
2558          */
2559 #ifdef WITH_VIDEOTIMELINE
2560         if (_session && ARDOUR_UI::instance()->video_timeline) {
2561                 ARDOUR_UI::instance()->video_timeline->close_session();
2562         }
2563 #endif
2564         if (_session && _session->dirty()) {
2565                 if (unload_session (false)) {
2566                         /* unload cancelled by user */
2567                         return 0;
2568                 }
2569                 ARDOUR_COMMAND_LINE::session_name = "";
2570         }
2571
2572         if (!load_template.empty()) {
2573                 should_be_new = true;
2574                 template_name = load_template;
2575         }
2576
2577         while (ret != 0) {
2578
2579                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2580
2581                         /* if they named a specific statefile, use it, otherwise they are
2582                            just giving a session folder, and we want to use it as is
2583                            to find the session.
2584                         */
2585
2586                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2587
2588                         if (suffix != string::npos) {
2589                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2590                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2591                                 session_name = Glib::path_get_basename (session_name);
2592                         } else {
2593                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2594                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2595                         }
2596                 } else {
2597                         session_path = "";
2598                         session_name = "";
2599                 }
2600
2601                 delete _startup;
2602                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2603                 
2604                 if (!_startup->ready_without_display()) {
2605                         _startup->present ();
2606                         main().run();
2607                         _startup->hide ();
2608                 }
2609                 
2610                 switch (_startup->response()) {
2611                 case RESPONSE_OK:
2612                         break;
2613                 default:
2614                         if (quit_on_cancel) {
2615                                 exit (1);
2616                         } else {
2617                                 return ret;
2618                         }
2619                 }
2620
2621                 /* if we run the startup dialog again, offer more than just "new session" */
2622                 
2623                 should_be_new = false;
2624                 
2625                 session_name = _startup->session_name (likely_new);
2626                 
2627                 if (nsm) {
2628                         likely_new = true;
2629                 }
2630
2631                 string::size_type suffix = session_name.find (statefile_suffix);
2632                 
2633                 if (suffix != string::npos) {
2634                         session_name = session_name.substr (0, suffix);
2635                 }
2636                 
2637                 /* this shouldn't happen, but we catch it just in case it does */
2638                 
2639                 if (session_name.empty()) {
2640                         continue;
2641                 }
2642                 
2643                 if (_startup->use_session_template()) {
2644                         template_name = _startup->session_template_name();
2645                         _session_is_new = true;
2646                 }
2647                 
2648                 if (session_name[0] == G_DIR_SEPARATOR ||
2649                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2650                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2651                         
2652                         /* absolute path or cwd-relative path specified for session name: infer session folder
2653                            from what was given.
2654                         */
2655                         
2656                         session_path = Glib::path_get_dirname (session_name);
2657                         session_name = Glib::path_get_basename (session_name);
2658                         
2659                 } else {
2660
2661                         session_path = _startup->session_folder();
2662                         
2663                         char illegal = Session::session_name_is_legal (session_name);
2664                         
2665                         if (illegal) {
2666                                 MessageDialog msg (*_startup,
2667                                                    string_compose (_("To ensure compatibility with various systems\n"
2668                                                                      "session names may not contain a '%1' character"),
2669                                                                    illegal));
2670                                 msg.run ();
2671                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2672                                 continue;
2673                         }
2674                 }
2675         
2676                 if (create_engine ()) {
2677                         break;
2678                 }
2679
2680                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2681
2682                         if (likely_new && !nsm) {
2683
2684                                 std::string existing = Glib::build_filename (session_path, session_name);
2685
2686                                 if (!ask_about_loading_existing_session (existing)) {
2687                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2688                                         continue;
2689                                 }
2690                         }
2691
2692                         _session_is_new = false;
2693
2694                 } else {
2695
2696                         if (!likely_new) {
2697                                 if (_startup) {
2698                                         pop_back_splash (*_startup);
2699                                 } else {
2700                                         hide_splash ();
2701                                 }
2702
2703                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2704                                 msg.run ();
2705                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2706                                 continue;
2707                         }
2708
2709                         char illegal = Session::session_name_is_legal(session_name);
2710                         if (illegal) {
2711                                 pop_back_splash (*_startup);
2712                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2713                                                      "session names may not contain a '%1' character"), illegal));
2714                                 msg.run ();
2715                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2716                                 continue;
2717                         }
2718
2719                         _session_is_new = true;
2720                 }
2721
2722                 if (likely_new && template_name.empty()) {
2723
2724                         ret = build_session_from_nsd (session_path, session_name);
2725
2726                 } else {
2727
2728                         ret = load_session (session_path, session_name, template_name);
2729
2730                         if (ret == -2) {
2731                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2732                                 exit (1);
2733                         }
2734
2735                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2736                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2737                                 exit (1);
2738                         }
2739                 }
2740         }
2741
2742         return ret;
2743 }
2744
2745 void
2746 ARDOUR_UI::close_session()
2747 {
2748 #ifdef WITH_VIDEOTIMELINE
2749         ARDOUR_UI::instance()->video_timeline->close_session();
2750 #endif
2751         if (!check_audioengine()) {
2752                 return;
2753         }
2754
2755         if (unload_session (true)) {
2756                 return;
2757         }
2758
2759         ARDOUR_COMMAND_LINE::session_name = "";
2760
2761         if (get_session_parameters (true, false)) {
2762                 exit (1);
2763         }
2764
2765         goto_editor_window ();
2766 }
2767
2768 /** @param snap_name Snapshot name (without .ardour suffix).
2769  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2770  */
2771 int
2772 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2773 {
2774         Session *new_session;
2775         int unload_status;
2776         int retval = -1;
2777
2778         session_loaded = false;
2779
2780         if (!check_audioengine()) {
2781                 return -2;
2782         }
2783
2784         unload_status = unload_session ();
2785
2786         if (unload_status < 0) {
2787                 goto out;
2788         } else if (unload_status > 0) {
2789                 retval = 0;
2790                 goto out;
2791         }
2792
2793         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2794
2795         try {
2796                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2797         }
2798
2799         /* this one is special */
2800
2801         catch (AudioEngine::PortRegistrationFailure& err) {
2802
2803                 MessageDialog msg (err.what(),
2804                                    true,
2805                                    Gtk::MESSAGE_INFO,
2806                                    Gtk::BUTTONS_CLOSE);
2807
2808                 msg.set_title (_("Port Registration Error"));
2809                 msg.set_secondary_text (_("Click the Close button to try again."));
2810                 msg.set_position (Gtk::WIN_POS_CENTER);
2811                 pop_back_splash (msg);
2812                 msg.present ();
2813
2814                 int response = msg.run ();
2815
2816                 msg.hide ();
2817
2818                 switch (response) {
2819                 case RESPONSE_CANCEL:
2820                         exit (1);
2821                 default:
2822                         break;
2823                 }
2824                 goto out;
2825         }
2826
2827         catch (...) {
2828
2829                 MessageDialog msg (string_compose(
2830                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2831                                            path, snap_name),
2832                                    true,
2833                                    Gtk::MESSAGE_INFO,
2834                                    BUTTONS_OK);
2835
2836                 msg.set_title (_("Loading Error"));
2837                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2838                 msg.add_button (Stock::REFRESH, 1);
2839                 msg.set_position (Gtk::WIN_POS_CENTER);
2840                 pop_back_splash (msg);
2841                 msg.present ();
2842
2843                 int response = msg.run ();
2844
2845                 switch (response) {
2846                 case 1:
2847                         break;
2848                 default:
2849                         exit (1);
2850                 }
2851
2852                 msg.hide ();
2853
2854                 goto out;
2855         }
2856
2857         {
2858                 list<string> const u = new_session->unknown_processors ();
2859                 if (!u.empty()) {
2860                         MissingPluginDialog d (_session, u);
2861                         d.run ();
2862                 }
2863         }
2864
2865         /* Now the session been created, add the transport controls */
2866         new_session->add_controllable(roll_controllable);
2867         new_session->add_controllable(stop_controllable);
2868         new_session->add_controllable(goto_start_controllable);
2869         new_session->add_controllable(goto_end_controllable);
2870         new_session->add_controllable(auto_loop_controllable);
2871         new_session->add_controllable(play_selection_controllable);
2872         new_session->add_controllable(rec_controllable);
2873
2874         set_session (new_session);
2875
2876         session_loaded = true;
2877
2878         goto_editor_window ();
2879
2880         if (_session) {
2881                 _session->set_clean ();
2882         }
2883
2884         flush_pending ();
2885         retval = 0;
2886
2887   out:
2888         return retval;
2889 }
2890
2891 int
2892 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2893 {
2894         Session *new_session;
2895         int x;
2896
2897         if (!check_audioengine()) {
2898                 return -1;
2899         }
2900
2901         session_loaded = false;
2902
2903         x = unload_session ();
2904
2905         if (x < 0) {
2906                 return -1;
2907         } else if (x > 0) {
2908                 return 0;
2909         }
2910
2911         _session_is_new = true;
2912
2913         try {
2914                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2915         }
2916
2917         catch (...) {
2918
2919                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2920                 pop_back_splash (msg);
2921                 msg.run ();
2922                 return -1;
2923         }
2924
2925         /* Give the new session the default GUI state, if such things exist */
2926
2927         XMLNode* n;
2928         n = Config->instant_xml (X_("Editor"));
2929         if (n) {
2930                 new_session->add_instant_xml (*n, false);
2931         }
2932         n = Config->instant_xml (X_("Mixer"));
2933         if (n) {
2934                 new_session->add_instant_xml (*n, false);
2935         }
2936
2937         /* Put the playhead at 0 and scroll fully left */
2938         n = new_session->instant_xml (X_("Editor"));
2939         if (n) {
2940                 n->add_property (X_("playhead"), X_("0"));
2941                 n->add_property (X_("left-frame"), X_("0"));
2942         }
2943
2944         set_session (new_session);
2945
2946         session_loaded = true;
2947
2948         new_session->save_state(new_session->name());
2949
2950         return 0;
2951 }
2952
2953 void
2954 ARDOUR_UI::launch_chat ()
2955 {
2956 #ifdef __APPLE__
2957         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2958 #else
2959         open_uri("http://webchat.freenode.net/?channels=ardour");
2960 #endif
2961 }
2962
2963 void
2964 ARDOUR_UI::show_about ()
2965 {
2966         if (about == 0) {
2967                 about = new About;
2968                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2969         }
2970
2971         about->set_transient_for(*editor);
2972         about->show_all ();
2973 }
2974
2975 void
2976 ARDOUR_UI::launch_manual ()
2977 {
2978         PBD::open_uri (Config->get_tutorial_manual_url());
2979 }
2980
2981 void
2982 ARDOUR_UI::launch_reference ()
2983 {
2984         PBD::open_uri (Config->get_reference_manual_url());
2985 }
2986
2987 void
2988 ARDOUR_UI::hide_about ()
2989 {
2990         if (about) {
2991                 about->get_window()->set_cursor ();
2992                 about->hide ();
2993         }
2994 }
2995
2996 void
2997 ARDOUR_UI::about_signal_response (int /*response*/)
2998 {
2999         hide_about();
3000 }
3001
3002 void
3003 ARDOUR_UI::loading_message (const std::string& msg)
3004 {
3005         if (ARDOUR_COMMAND_LINE::no_splash) {
3006                 return;
3007         }
3008
3009         if (!splash) {
3010                 show_splash ();
3011         }
3012
3013         splash->message (msg);
3014 }
3015
3016 void
3017 ARDOUR_UI::show_splash ()
3018 {
3019         if (splash == 0) {
3020                 try {
3021                         splash = new Splash;
3022                 } catch (...) {
3023                         return;
3024                 }
3025         }
3026
3027         splash->display ();
3028 }
3029
3030 void
3031 ARDOUR_UI::hide_splash ()
3032 {
3033         delete splash;
3034         splash = 0;
3035 }
3036
3037 void
3038 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3039 {
3040         size_t removed;
3041
3042         removed = rep.paths.size();
3043
3044         if (removed == 0) {
3045                 MessageDialog msgd (*editor,
3046                                     _("No files were ready for clean-up"),
3047                                     true,
3048                                     Gtk::MESSAGE_INFO,
3049                                     Gtk::BUTTONS_OK);
3050                 msgd.set_title (_("Clean-up"));
3051                 msgd.set_secondary_text (_("If this seems suprising, \n\
3052 check for any existing snapshots.\n\
3053 These may still include regions that\n\
3054 require some unused files to continue to exist."));
3055
3056                 msgd.run ();
3057                 return;
3058         }
3059
3060         ArdourDialog results (_("Clean-up"), true, false);
3061
3062         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3063             CleanupResultsModelColumns() {
3064                     add (visible_name);
3065                     add (fullpath);
3066             }
3067             Gtk::TreeModelColumn<std::string> visible_name;
3068             Gtk::TreeModelColumn<std::string> fullpath;
3069         };
3070
3071
3072         CleanupResultsModelColumns results_columns;
3073         Glib::RefPtr<Gtk::ListStore> results_model;
3074         Gtk::TreeView results_display;
3075
3076         results_model = ListStore::create (results_columns);
3077         results_display.set_model (results_model);
3078         results_display.append_column (list_title, results_columns.visible_name);
3079
3080         results_display.set_name ("CleanupResultsList");
3081         results_display.set_headers_visible (true);
3082         results_display.set_headers_clickable (false);
3083         results_display.set_reorderable (false);
3084
3085         Gtk::ScrolledWindow list_scroller;
3086         Gtk::Label txt;
3087         Gtk::VBox dvbox;
3088         Gtk::HBox dhbox;  // the hbox for the image and text
3089         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3090         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3091
3092         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3093
3094         const string dead_directory = _session->session_directory().dead_path();
3095
3096         /* subst:
3097            %1 - number of files removed
3098            %2 - location of "dead"
3099            %3 - size of files affected
3100            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3101         */
3102
3103         const char* bprefix;
3104         double space_adjusted = 0;
3105
3106         if (rep.space < 1000) {
3107                 bprefix = X_("");
3108                 space_adjusted = rep.space;
3109         } else if (rep.space < 1000000) {
3110                 bprefix = _("kilo");
3111                 space_adjusted = truncf((float)rep.space / 1000.0);
3112         } else if (rep.space < 1000000 * 1000) {
3113                 bprefix = _("mega");
3114                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3115         } else {
3116                 bprefix = _("giga");
3117                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3118         }
3119
3120         if (msg_delete) {
3121                 txt.set_markup (string_compose (P_("\
3122 The following file was deleted from %2,\n\
3123 releasing %3 %4bytes of disk space", "\
3124 The following %1 files were deleted from %2,\n\
3125 releasing %3 %4bytes of disk space", removed),
3126                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3127         } else {
3128                 txt.set_markup (string_compose (P_("\
3129 The following file was not in use and \n\
3130 has been moved to: %2\n\n\
3131 After a restart of %5\n\n\
3132 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3133 will release an additional %3 %4bytes of disk space.\n", "\
3134 The following %1 files were not in use and \n\
3135 have been moved to: %2\n\n\
3136 After a restart of %5\n\n\
3137 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3138 will release an additional %3 %4bytes of disk space.\n", removed),
3139                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3140         }
3141
3142         dhbox.pack_start (*dimage, true, false, 5);
3143         dhbox.pack_start (txt, true, false, 5);
3144
3145         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3146                 TreeModel::Row row = *(results_model->append());
3147                 row[results_columns.visible_name] = *i;
3148                 row[results_columns.fullpath] = *i;
3149         }
3150
3151         list_scroller.add (results_display);
3152         list_scroller.set_size_request (-1, 150);
3153         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3154
3155         dvbox.pack_start (dhbox, true, false, 5);
3156         dvbox.pack_start (list_scroller, true, false, 5);
3157         ddhbox.pack_start (dvbox, true, false, 5);
3158
3159         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3160         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3161         results.set_default_response (RESPONSE_CLOSE);
3162         results.set_position (Gtk::WIN_POS_MOUSE);
3163
3164         results_display.show();
3165         list_scroller.show();
3166         txt.show();
3167         dvbox.show();
3168         dhbox.show();
3169         ddhbox.show();
3170         dimage->show();
3171
3172         //results.get_vbox()->show();
3173         results.set_resizable (false);
3174
3175         results.run ();
3176
3177 }
3178
3179 void
3180 ARDOUR_UI::cleanup ()
3181 {
3182         if (_session == 0) {
3183                 /* shouldn't happen: menu item is insensitive */
3184                 return;
3185         }
3186
3187
3188         MessageDialog checker (_("Are you sure you want to clean-up?"),
3189                                 true,
3190                                 Gtk::MESSAGE_QUESTION,
3191                                 Gtk::BUTTONS_NONE);
3192
3193         checker.set_title (_("Clean-up"));
3194
3195         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3196 ALL undo/redo information will be lost if you clean-up.\n\
3197 Clean-up will move all unused files to a \"dead\" location."));
3198
3199         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3200         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3201         checker.set_default_response (RESPONSE_CANCEL);
3202
3203         checker.set_name (_("CleanupDialog"));
3204         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3205         checker.set_position (Gtk::WIN_POS_MOUSE);
3206
3207         switch (checker.run()) {
3208         case RESPONSE_ACCEPT:
3209                 break;
3210         default:
3211                 return;
3212         }
3213
3214         ARDOUR::CleanupReport rep;
3215
3216         editor->prepare_for_cleanup ();
3217
3218         /* do not allow flush until a session is reloaded */
3219
3220         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3221         if (act) {
3222                 act->set_sensitive (false);
3223         }
3224
3225         if (_session->cleanup_sources (rep)) {
3226                 editor->finish_cleanup ();
3227                 return;
3228         }
3229
3230         editor->finish_cleanup ();
3231
3232         checker.hide();
3233         display_cleanup_results (rep, _("Cleaned Files"), false);
3234 }
3235
3236 void
3237 ARDOUR_UI::flush_trash ()
3238 {
3239         if (_session == 0) {
3240                 /* shouldn't happen: menu item is insensitive */
3241                 return;
3242         }
3243
3244         ARDOUR::CleanupReport rep;
3245
3246         if (_session->cleanup_trash_sources (rep)) {
3247                 return;
3248         }
3249
3250         display_cleanup_results (rep, _("deleted file"), true);
3251 }
3252
3253 void
3254 ARDOUR_UI::add_route (Gtk::Window* float_window)
3255 {
3256         int count;
3257
3258         if (!_session) {
3259                 return;
3260         }
3261
3262         if (add_route_dialog == 0) {
3263                 add_route_dialog = new AddRouteDialog (_session);
3264                 add_route_dialog->set_position (WIN_POS_MOUSE);
3265                 if (float_window) {
3266                         add_route_dialog->set_transient_for (*float_window);
3267                 }
3268         }
3269
3270         if (add_route_dialog->is_visible()) {
3271                 /* we're already doing this */
3272                 return;
3273         }
3274
3275         ResponseType r = (ResponseType) add_route_dialog->run ();
3276
3277         add_route_dialog->hide();
3278
3279         switch (r) {
3280                 case RESPONSE_ACCEPT:
3281                         break;
3282                 default:
3283                         return;
3284                         break;
3285         }
3286
3287         if ((count = add_route_dialog->count()) <= 0) {
3288                 return;
3289         }
3290
3291         PBD::ScopedConnection idle_connection;
3292
3293         if (count > 8) {
3294                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3295         }
3296
3297         string template_path = add_route_dialog->track_template();
3298
3299         if (!template_path.empty()) {
3300                 if (add_route_dialog->name_template_is_default())  {
3301                         _session->new_route_from_template (count, template_path, string());
3302                 } else {
3303                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3304                 }
3305                 return;
3306         }
3307
3308         ChanCount input_chan= add_route_dialog->channels ();
3309         ChanCount output_chan;
3310         string name_template = add_route_dialog->name_template ();
3311         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3312         RouteGroup* route_group = add_route_dialog->route_group ();
3313         AutoConnectOption oac = Config->get_output_auto_connect();
3314
3315         if (oac & AutoConnectMaster) {
3316                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3317                 output_chan.set (DataType::MIDI, 0);
3318         } else {
3319                 output_chan = input_chan;
3320         }
3321
3322         /* XXX do something with name template */
3323
3324         switch (add_route_dialog->type_wanted()) {
3325         case AddRouteDialog::AudioTrack:
3326                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3327                 break;
3328         case AddRouteDialog::MidiTrack:
3329                 session_add_midi_track (route_group, count, name_template, instrument);
3330                 break;
3331         case AddRouteDialog::MixedTrack:
3332                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3333                 break;
3334         case AddRouteDialog::AudioBus:
3335                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3336                 break;
3337         }
3338
3339         /* idle connection will end at scope end */
3340 }
3341
3342 #ifdef WITH_VIDEOTIMELINE
3343 void
3344 ARDOUR_UI::stop_video_server (bool ask_confirm)
3345 {
3346         if (!video_server_process && ask_confirm) {
3347                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3348         }
3349         if (video_server_process) {
3350                 if(ask_confirm) {
3351                         ArdourDialog confirm (_("Stop Video-Server"), true);
3352                         Label m (_("Do you really want to stop the Video Server?"));
3353                         confirm.get_vbox()->pack_start (m, true, true);
3354                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3355                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3356                         confirm.show_all ();
3357                         if (confirm.run() == RESPONSE_CANCEL) {
3358                                 return;
3359                         }
3360                 }
3361                 delete video_server_process;
3362                 video_server_process =0;
3363         }
3364 }
3365
3366 void
3367 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3368 {
3369   ARDOUR_UI::start_video_server( float_window, true);
3370 }
3371
3372 bool
3373 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3374 {
3375         if (!_session) {
3376                 return false;
3377         }
3378         if (popup_msg) {
3379                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3380                         if (video_server_process) {
3381                                 popup_error(_("The Video Server is already started."));
3382                         } else {
3383                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3384                         }
3385                 }
3386         }
3387
3388         int firsttime = 0;
3389         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3390                 if (firsttime++) {
3391                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3392                 }
3393                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3394                 if (float_window) {
3395                         video_server_dialog->set_transient_for (*float_window);
3396                 }
3397
3398                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3399                         video_server_dialog->hide();
3400                 } else {
3401                         ResponseType r = (ResponseType) video_server_dialog->run ();
3402                         video_server_dialog->hide();
3403                         if (r != RESPONSE_ACCEPT) { return false; }
3404                         if (video_server_dialog->show_again()) {
3405                                 Config->set_show_video_server_dialog(false);
3406                         }
3407                 }
3408
3409                 std::string icsd_exec = video_server_dialog->get_exec_path();
3410                 std::string icsd_docroot = video_server_dialog->get_docroot();
3411                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3412
3413                 struct stat sb;
3414                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3415                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3416                         continue;
3417                 }
3418                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3419                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3420                         warning << _("Given Video Server is not an executable file.") << endmsg;
3421                         continue;
3422                 }
3423
3424                 char **argp;
3425                 argp=(char**) calloc(9,sizeof(char*));
3426                 argp[0] = strdup(icsd_exec.c_str());
3427                 argp[1] = strdup("-P");
3428                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3429                 argp[3] = strdup("-p");
3430                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3431                 argp[5] = strdup("-C");
3432                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3433                 argp[7] = strdup(icsd_docroot.c_str());
3434                 argp[8] = 0;
3435                 stop_video_server();
3436
3437                 if (icsd_docroot == X_("/")) {
3438                         Config->set_video_advanced_setup(false);
3439                 } else {
3440                         std::ostringstream osstream;
3441                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3442                         Config->set_video_server_url(osstream.str());
3443                         Config->set_video_server_docroot(icsd_docroot);
3444                         Config->set_video_advanced_setup(true);
3445                 }
3446
3447                 video_server_process = new SystemExec(icsd_exec, argp);
3448                 video_server_process->start();
3449                 sleep(1);
3450         }
3451         return true;
3452 }
3453
3454 void
3455 ARDOUR_UI::add_video (Gtk::Window* float_window)
3456 {
3457         if (!_session) {
3458                 return;
3459         }
3460
3461         if (!start_video_server(float_window, false)) {
3462                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3463                 return;
3464         }
3465
3466         if (add_video_dialog == 0) {
3467                 add_video_dialog = new AddVideoDialog (_session);
3468                 if (float_window) {
3469                         add_video_dialog->set_transient_for (*float_window);
3470                 }
3471         }
3472
3473         if (add_video_dialog->is_visible()) {
3474                 /* we're already doing this */
3475                 return;
3476         }
3477         ResponseType r = (ResponseType) add_video_dialog->run ();
3478         add_video_dialog->hide();
3479         if (r != RESPONSE_ACCEPT) { return; }
3480
3481         bool local_file;
3482         std::string path = add_video_dialog->file_name(local_file);
3483         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3484
3485         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3486                 warning << string_compose(_("could not open %1"), path) << endmsg;
3487                 return;
3488         }
3489         if (!local_file && path.length() == 0) {
3490                 warning << _("no video-file selected") << endmsg;
3491                 return;
3492         }
3493
3494         switch (add_video_dialog->import_option()) {
3495                 case VTL_IMPORT_TRANSCODE:
3496                         {
3497                                 TranscodeVideoDialog *transcode_video_dialog;
3498                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3499                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3500                                 transcode_video_dialog->hide();
3501                                 if (r != RESPONSE_ACCEPT) {
3502                                         delete transcode_video_dialog;
3503                                         return;
3504                                 }
3505                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3506                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3507                                 }
3508                                 switch (transcode_video_dialog->import_option()) {
3509                                         case VTL_IMPORT_TRANSCODED:
3510                                                 path = transcode_video_dialog->get_filename();
3511                                                 local_file = true;
3512                                                 break;
3513                                         case VTL_IMPORT_REFERENCE:
3514                                                 break;
3515                                         default:
3516                                                 delete transcode_video_dialog;
3517                                                 return;
3518                                 }
3519                                 delete transcode_video_dialog;
3520                         }
3521                         break;
3522                 default:
3523                 case VTL_IMPORT_NONE:
3524                         break;
3525         }
3526
3527         /* strip _session->session_directory().video_path() from video file if possible */
3528         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3529                  path=path.substr(_session->session_directory().video_path().size());
3530                  if (path.at(0) == G_DIR_SEPARATOR) {
3531                          path=path.substr(1);
3532                  }
3533         }
3534
3535         video_timeline->set_update_session_fps(auto_set_session_fps);
3536         if (video_timeline->video_file_info(path, local_file)) {
3537                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3538                 node->add_property (X_("Filename"), path);
3539                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3540                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3541                 _session->add_extra_xml (*node);
3542                 _session->set_dirty ();
3543
3544                 _session->maybe_update_session_range(
3545                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3546                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3547
3548
3549                 if (add_video_dialog->launch_xjadeo() && local_file) {
3550                         editor->set_xjadeo_sensitive(true);
3551                         editor->toggle_xjadeo_proc(1);
3552                 } else {
3553                         editor->toggle_xjadeo_proc(0);
3554                 }
3555                 editor->toggle_ruler_video(true);
3556         }
3557 }
3558
3559 void
3560 ARDOUR_UI::remove_video ()
3561 {
3562         video_timeline->close_session();
3563         editor->toggle_ruler_video(false);
3564
3565         /* delete session state */
3566         XMLNode* node = new XMLNode(X_("Videotimeline"));
3567         _session->add_extra_xml(*node);
3568         node = new XMLNode(X_("Videomonitor"));
3569         _session->add_extra_xml(*node);
3570         stop_video_server();
3571 }
3572
3573 void
3574 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3575 {
3576         if (localcacheonly) {
3577                 video_timeline->vmon_update();
3578         } else {
3579                 video_timeline->flush_cache();
3580         }
3581         editor->queue_visual_videotimeline_update();
3582 }
3583 #endif
3584
3585 XMLNode*
3586 ARDOUR_UI::mixer_settings () const
3587 {
3588         XMLNode* node = 0;
3589
3590         if (_session) {
3591                 node = _session->instant_xml(X_("Mixer"));
3592         } else {
3593                 node = Config->instant_xml(X_("Mixer"));
3594         }
3595
3596         if (!node) {
3597                 node = new XMLNode (X_("Mixer"));
3598         }
3599
3600         return node;
3601 }
3602
3603 XMLNode*
3604 ARDOUR_UI::editor_settings () const
3605 {
3606         XMLNode* node = 0;
3607
3608         if (_session) {
3609                 node = _session->instant_xml(X_("Editor"));
3610         } else {
3611                 node = Config->instant_xml(X_("Editor"));
3612         }
3613
3614         if (!node) {
3615                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3616                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3617                 }
3618         }
3619
3620         if (!node) {
3621                 node = new XMLNode (X_("Editor"));
3622         }
3623
3624         return node;
3625 }
3626
3627 XMLNode*
3628 ARDOUR_UI::keyboard_settings () const
3629 {
3630         XMLNode* node = 0;
3631
3632         node = Config->extra_xml(X_("Keyboard"));
3633
3634         if (!node) {
3635                 node = new XMLNode (X_("Keyboard"));
3636         }
3637
3638         return node;
3639 }
3640
3641 void
3642 ARDOUR_UI::create_xrun_marker (framepos_t where)
3643 {
3644         editor->mouse_add_new_marker (where, false, true);
3645 }
3646
3647 void
3648 ARDOUR_UI::halt_on_xrun_message ()
3649 {
3650         MessageDialog msg (*editor,
3651                            _("Recording was stopped because your system could not keep up."));
3652         msg.run ();
3653 }
3654
3655 void
3656 ARDOUR_UI::xrun_handler (framepos_t where)
3657 {
3658         if (!_session) {
3659                 return;
3660         }
3661
3662         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3663
3664         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3665                 create_xrun_marker(where);
3666         }
3667
3668         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3669                 halt_on_xrun_message ();
3670         }
3671 }
3672
3673 void
3674 ARDOUR_UI::disk_overrun_handler ()
3675 {
3676         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3677
3678         if (!have_disk_speed_dialog_displayed) {
3679                 have_disk_speed_dialog_displayed = true;
3680                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3681 The disk system on your computer\n\
3682 was not able to keep up with %1.\n\
3683 \n\
3684 Specifically, it failed to write data to disk\n\
3685 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3686                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3687                 msg->show ();
3688         }
3689 }
3690
3691 void
3692 ARDOUR_UI::disk_underrun_handler ()
3693 {
3694         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3695
3696         if (!have_disk_speed_dialog_displayed) {
3697                 have_disk_speed_dialog_displayed = true;
3698                 MessageDialog* msg = new MessageDialog (
3699                         *editor, string_compose (_("The disk system on your computer\n\
3700 was not able to keep up with %1.\n\
3701 \n\
3702 Specifically, it failed to read data from disk\n\
3703 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3704                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3705                 msg->show ();
3706         }
3707 }
3708
3709 void
3710 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3711 {
3712         have_disk_speed_dialog_displayed = false;
3713         delete msg;
3714 }
3715
3716 void
3717 ARDOUR_UI::session_dialog (std::string msg)
3718 {
3719         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3720
3721         MessageDialog* d;
3722
3723         if (editor) {
3724                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3725         } else {
3726                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3727         }
3728
3729         d->show_all ();
3730         d->run ();
3731         delete d;
3732 }
3733
3734 int
3735 ARDOUR_UI::pending_state_dialog ()
3736 {
3737         HBox* hbox = new HBox();
3738         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3739         ArdourDialog dialog (_("Crash Recovery"), true);
3740         Label  message (string_compose (_("\
3741 This session appears to have been in the\n\
3742 middle of recording when %1 or\n\
3743 the computer was shutdown.\n\
3744 \n\
3745 %1 can recover any captured audio for\n\
3746 you, or it can ignore it. Please decide\n\
3747 what you would like to do.\n"), PROGRAM_NAME));
3748         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3749         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3750         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3751         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3752         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3753         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3754         dialog.set_default_response (RESPONSE_ACCEPT);
3755         dialog.set_position (WIN_POS_CENTER);
3756         message.show();
3757         image->show();
3758         hbox->show();
3759
3760         switch (dialog.run ()) {
3761         case RESPONSE_ACCEPT:
3762                 return 1;
3763         default:
3764                 return 0;
3765         }
3766 }
3767
3768 int
3769 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3770 {
3771         HBox* hbox = new HBox();
3772         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3773         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3774         Label  message (string_compose (_("\
3775 This session was created with a sample rate of %1 Hz, but\n\
3776 %2 is currently running at %3 Hz.  If you load this session,\n\
3777 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3778
3779         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3780         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3781         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3782         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3783         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3784         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3785         dialog.set_default_response (RESPONSE_ACCEPT);
3786         dialog.set_position (WIN_POS_CENTER);
3787         message.show();
3788         image->show();
3789         hbox->show();
3790
3791         switch (dialog.run ()) {
3792         case RESPONSE_ACCEPT:
3793                 return 0;
3794         default:
3795                 return 1;
3796         }
3797 }
3798
3799
3800 void
3801 ARDOUR_UI::disconnect_from_jack ()
3802 {
3803         if (engine) {
3804                 if (engine->disconnect_from_jack ()) {
3805                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3806                         msg.run ();
3807                 }
3808
3809                 update_sample_rate (0);
3810         }
3811 }
3812
3813 void
3814 ARDOUR_UI::reconnect_to_jack ()
3815 {
3816         if (engine) {
3817                 if (engine->reconnect_to_jack ()) {
3818                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3819                         msg.run ();
3820                 }
3821
3822                 update_sample_rate (0);
3823         }
3824 }
3825
3826 void
3827 ARDOUR_UI::use_config ()
3828 {
3829         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3830         if (node) {
3831                 set_transport_controllable_state (*node);
3832         }
3833 }
3834
3835 void
3836 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3837 {
3838         if (Config->get_primary_clock_delta_edit_cursor()) {
3839                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3840         } else {
3841                 primary_clock->set (pos);
3842         }
3843
3844         if (Config->get_secondary_clock_delta_edit_cursor()) {
3845                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3846         } else {
3847                 secondary_clock->set (pos);
3848         }
3849
3850         if (big_clock_window->get()) {
3851                 big_clock->set (pos);
3852         }
3853 #ifdef WITH_VIDEOTIMELINE
3854         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3855 #endif
3856 }
3857
3858
3859 void
3860 ARDOUR_UI::step_edit_status_change (bool yn)
3861 {
3862         // XXX should really store pre-step edit status of things
3863         // we make insensitive
3864
3865         if (yn) {
3866                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3867                 rec_button.set_sensitive (false);
3868         } else {
3869                 rec_button.unset_active_state ();;
3870                 rec_button.set_sensitive (true);
3871         }
3872 }
3873
3874 void
3875 ARDOUR_UI::record_state_changed ()
3876 {
3877         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3878
3879         if (!_session || !big_clock_window->get()) {
3880                 /* why bother - the clock isn't visible */
3881                 return;
3882         }
3883
3884         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3885                 big_clock->set_active (true);
3886         } else {
3887                 big_clock->set_active (false);
3888         }
3889 }
3890
3891 bool
3892 ARDOUR_UI::first_idle ()
3893 {
3894         if (_session) {
3895                 _session->allow_auto_play (true);
3896         }
3897
3898         if (editor) {
3899                 editor->first_idle();
3900         }
3901
3902         Keyboard::set_can_save_keybindings (true);
3903         return false;
3904 }
3905
3906 void
3907 ARDOUR_UI::store_clock_modes ()
3908 {
3909         XMLNode* node = new XMLNode(X_("ClockModes"));
3910
3911         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3912                 XMLNode* child = new XMLNode (X_("Clock"));
3913                 
3914                 child->add_property (X_("name"), (*x)->name());
3915                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3916                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3917
3918                 node->add_child_nocopy (*child);
3919         }
3920
3921         _session->add_extra_xml (*node);
3922         _session->set_dirty ();
3923 }
3924
3925 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3926         : Controllable (name), ui (u), type(tp)
3927 {
3928
3929 }
3930
3931 void
3932 ARDOUR_UI::TransportControllable::set_value (double val)
3933 {
3934         if (val < 0.5) {
3935                 /* do nothing: these are radio-style actions */
3936                 return;
3937         }
3938
3939         const char *action = 0;
3940
3941         switch (type) {
3942         case Roll:
3943                 action = X_("Roll");
3944                 break;
3945         case Stop:
3946                 action = X_("Stop");
3947                 break;
3948         case GotoStart:
3949                 action = X_("GotoStart");
3950                 break;
3951         case GotoEnd:
3952                 action = X_("GotoEnd");
3953                 break;
3954         case AutoLoop:
3955                 action = X_("Loop");
3956                 break;
3957         case PlaySelection:
3958                 action = X_("PlaySelection");
3959                 break;
3960         case RecordEnable:
3961                 action = X_("Record");
3962                 break;
3963         default:
3964                 break;
3965         }
3966
3967         if (action == 0) {
3968                 return;
3969         }
3970
3971         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3972
3973         if (act) {
3974                 act->activate ();
3975         }
3976 }
3977
3978 double
3979 ARDOUR_UI::TransportControllable::get_value (void) const
3980 {
3981         float val = 0.0;
3982
3983         switch (type) {
3984         case Roll:
3985                 break;
3986         case Stop:
3987                 break;
3988         case GotoStart:
3989                 break;
3990         case GotoEnd:
3991                 break;
3992         case AutoLoop:
3993                 break;
3994         case PlaySelection:
3995                 break;
3996         case RecordEnable:
3997                 break;
3998         default:
3999                 break;
4000         }
4001
4002         return val;
4003 }
4004
4005 void
4006 ARDOUR_UI::setup_profile ()
4007 {
4008         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4009                 Profile->set_small_screen ();
4010         }
4011
4012         if (getenv ("ARDOUR_SAE")) {
4013                 Profile->set_sae ();
4014                 Profile->set_single_package ();
4015         }
4016 }
4017
4018 /** Add a window proxy to our list, so that its state will be saved.
4019  *  This call also causes the window to be created and opened if its
4020  *  state was saved as `visible'.
4021  */
4022 void
4023 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4024 {
4025         _window_proxies.push_back (p);
4026         p->maybe_show ();
4027 }
4028
4029 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4030  *  is deleted, to prevent hanging pointers.
4031  */
4032 void
4033 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4034 {
4035         _window_proxies.remove (p);
4036 }
4037
4038 int
4039 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4040 {
4041         MissingFileDialog dialog (s, str, type);
4042
4043         dialog.show ();
4044         dialog.present ();
4045
4046         int result = dialog.run ();
4047         dialog.hide ();
4048
4049         switch (result) {
4050         case RESPONSE_OK:
4051                 break;
4052         default:
4053                 return 1; // quit entire session load
4054         }
4055
4056         result = dialog.get_action ();
4057
4058         return result;
4059 }
4060
4061 int
4062 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4063 {
4064         AmbiguousFileDialog dialog (file, hits);
4065
4066         dialog.show ();
4067         dialog.present ();
4068
4069         dialog.run ();
4070         return dialog.get_which ();
4071 }
4072
4073 /** Allocate our thread-local buffers */
4074 void
4075 ARDOUR_UI::get_process_buffers ()
4076 {
4077         _process_thread->get_buffers ();
4078 }
4079
4080 /** Drop our thread-local buffers */
4081 void
4082 ARDOUR_UI::drop_process_buffers ()
4083 {
4084         _process_thread->drop_buffers ();
4085 }
4086
4087 void
4088 ARDOUR_UI::feedback_detected ()
4089 {
4090         _feedback_exists = true;
4091 }
4092
4093 void
4094 ARDOUR_UI::successful_graph_sort ()
4095 {
4096         _feedback_exists = false;
4097 }
4098
4099 void
4100 ARDOUR_UI::midi_panic ()
4101 {
4102         if (_session) {
4103                 _session->midi_panic();
4104         }
4105 }
4106
4107 void
4108 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4109 {
4110         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4111         const char* end_big = "</span>";
4112         const char* start_mono = "<tt>";
4113         const char* end_mono = "</tt>";
4114
4115         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4116                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4117                                              "From now on, use the -2000 version with older versions of %3"),
4118                                            xml_path, backup_path, PROGRAM_NAME,
4119                                            start_big, end_big,
4120                                            start_mono, end_mono), true);
4121
4122         msg.run ();
4123 }