remove all XML related API from canvas. it may have been useful during development...
[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 #include "video_server_dialog.h"
120 #include "add_video_dialog.h"
121 #include "transcode_video_dialog.h"
122 #include "system_exec.h"
123
124 #include "i18n.h"
125
126 using namespace ARDOUR;
127 using namespace PBD;
128 using namespace Gtkmm2ext;
129 using namespace Gtk;
130 using namespace std;
131
132 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
133 UIConfiguration *ARDOUR_UI::ui_config = 0;
134
135 sigc::signal<void,bool> ARDOUR_UI::Blink;
136 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
137 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
138 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
139
140 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
141
142         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
143
144         , gui_object_state (new GUIObjectState)
145         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
146         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
147
148           /* big clock */
149
150         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
151
152           /* transport */
153
154         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
155         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
156         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
157         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
158         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
159         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
160         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
161
162         , auto_return_button (ArdourButton::led_default_elements)
163         , follow_edits_button (ArdourButton::led_default_elements)
164         , auto_input_button (ArdourButton::led_default_elements)
165
166         , auditioning_alert_button (_("audition"))
167         , solo_alert_button (_("solo"))
168         , feedback_alert_button (_("feedback"))
169
170         , error_log_button (_("Errors"))
171
172         , _status_bar_visibility (X_("status-bar"))
173         , _feedback_exists (false)
174
175 {
176         Gtkmm2ext::init(localedir);
177
178         about = 0;
179         splash = 0;
180         _startup = 0;
181
182         if (theArdourUI == 0) {
183                 theArdourUI = this;
184         }
185
186         ui_config = new UIConfiguration();
187         theme_manager = new ThemeManager();
188
189         key_editor = 0;
190
191         editor = 0;
192         mixer = 0;
193         editor = 0;
194         engine = 0;
195         _session_is_new = false;
196         big_clock_window = 0;
197         big_clock_height = 0;
198         big_clock_resize_in_progress = false;
199         session_selector_window = 0;
200         last_key_press_time = 0;
201         add_route_dialog = 0;
202         add_video_dialog = 0;
203         video_server_process = 0;
204         route_params = 0;
205         bundle_manager = 0;
206         rc_option_editor = 0;
207         session_option_editor = 0;
208         location_ui = 0;
209         open_session_selector = 0;
210         have_configure_timeout = false;
211         have_disk_speed_dialog_displayed = false;
212         session_loaded = false;
213         ignore_dual_punch = false;
214         original_big_clock_width = -1;
215         original_big_clock_height = -1;
216         original_big_clock_font_size = 0;
217
218         roll_button.set_controllable (roll_controllable);
219         stop_button.set_controllable (stop_controllable);
220         goto_start_button.set_controllable (goto_start_controllable);
221         goto_end_button.set_controllable (goto_end_controllable);
222         auto_loop_button.set_controllable (auto_loop_controllable);
223         play_selection_button.set_controllable (play_selection_controllable);
224         rec_button.set_controllable (rec_controllable);
225
226         roll_button.set_name ("transport button");
227         stop_button.set_name ("transport button");
228         goto_start_button.set_name ("transport button");
229         goto_end_button.set_name ("transport button");
230         auto_loop_button.set_name ("transport button");
231         play_selection_button.set_name ("transport button");
232         rec_button.set_name ("transport recenable button");
233         midi_panic_button.set_name ("transport button");
234
235         goto_start_button.set_tweaks (ArdourButton::ShowClick);
236         goto_end_button.set_tweaks (ArdourButton::ShowClick);
237         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
238         
239         last_configure_time= 0;
240         last_peak_grab = 0;
241
242         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
243         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
244
245         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
246
247         /* handle dialog requests */
248
249         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
250
251         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
252
253         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
254
255         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
256
257         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
258
259         /* handle requests to quit (coming from JACK session) */
260
261         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
262
263         /* tell the user about feedback */
264
265         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
266         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
267
268         /* handle requests to deal with missing files */
269
270         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
271
272         /* and ambiguous files */
273
274         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
275
276         /* lets get this party started */
277
278         try {
279                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
280                         throw failed_constructor ();
281                 }
282
283                 setup_gtk_ardour_enums ();
284                 setup_profile ();
285
286                 SessionEvent::create_per_thread_pool ("GUI", 512);
287
288         } catch (failed_constructor& err) {
289                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
290                 // pass it on up
291                 throw;
292         }
293
294         /* we like keyboards */
295
296         keyboard = new ArdourKeyboard(*this);
297
298         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
299         if (node) {
300                 keyboard->set_state (*node, Stateful::loading_state_version);
301         }
302
303         /* we don't like certain modifiers */
304         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
305
306         reset_dpi();
307
308         TimeAxisViewItem::set_constant_heights ();
309
310         /* The following must happen after ARDOUR::init() so that Config is set up */
311
312         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
313         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
314         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
315
316         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
317                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
318                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
319                         Config->extra_xml (X_("UI")),
320                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
321                         );
322         }
323
324         setup_clock ();
325
326         SpeakerDialog* s = new SpeakerDialog ();
327         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
328         speaker_config_window->set (s);
329
330         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
331         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
332
333         _process_thread = new ProcessThread ();
334         _process_thread->init ();
335
336         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
337 }
338
339
340 int
341 ARDOUR_UI::create_engine ()
342 {
343         // this gets called every time by new_session()
344
345         if (engine) {
346                 return 0;
347         }
348
349         loading_message (_("Starting audio engine"));
350
351         try {
352                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
353
354         } catch (...) {
355
356                 return -1;
357         }
358
359         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
360         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
361         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
362
363         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
364
365         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
366
367         post_engine ();
368
369         return 0;
370 }
371
372 void
373 ARDOUR_UI::post_engine ()
374 {
375         /* Things to be done once we create the AudioEngine
376          */
377
378         ARDOUR::init_post_engine ();
379
380         /* load up the UI manager */
381
382         ActionManager::init ();
383
384         _tooltips.enable();
385
386         if (setup_windows ()) {
387                 throw failed_constructor ();
388         }
389
390         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
391         XMLNode* n = Config->extra_xml (X_("UI"));
392         if (n) {
393                 _status_bar_visibility.set_state (*n);
394         }
395         
396         check_memory_locking();
397
398         /* this is the first point at which all the keybindings are available */
399
400         if (ARDOUR_COMMAND_LINE::show_key_actions) {
401                 vector<string> names;
402                 vector<string> paths;
403                 vector<string> tooltips;
404                 vector<string> keys;
405                 vector<AccelKey> bindings;
406
407                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
408
409                 vector<string>::iterator n;
410                 vector<string>::iterator k;
411                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
412                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
413                 }
414
415                 exit (0);
416         }
417
418         blink_timeout_tag = -1;
419
420         /* this being a GUI and all, we want peakfiles */
421
422         AudioFileSource::set_build_peakfiles (true);
423         AudioFileSource::set_build_missing_peakfiles (true);
424
425         /* set default clock modes */
426
427         if (Profile->get_sae()) {
428                 primary_clock->set_mode (AudioClock::BBT);
429                 secondary_clock->set_mode (AudioClock::MinSec);
430         }  else {
431                 primary_clock->set_mode (AudioClock::Timecode);
432                 secondary_clock->set_mode (AudioClock::BBT);
433         }
434
435         /* start the time-of-day-clock */
436
437 #ifndef GTKOSX
438         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
439         update_wall_clock ();
440         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
441 #endif
442
443         update_disk_space ();
444         update_cpu_load ();
445         update_sample_rate (engine->frame_rate());
446         update_timecode_format ();
447
448         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
449         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
450         Config->map_parameters (pc);
451
452         /* now start and maybe save state */
453
454         if (do_engine_start () == 0) {
455                 if (_session && _session_is_new) {
456                         /* we need to retain initial visual
457                            settings for a new session
458                         */
459                         _session->save_state ("");
460                 }
461         }
462 }
463
464 ARDOUR_UI::~ARDOUR_UI ()
465 {
466         delete keyboard;
467         delete editor;
468         delete mixer;
469         delete add_route_dialog;
470         if (add_video_dialog) {
471                 delete add_video_dialog;
472         }
473         stop_video_server();
474 }
475
476 void
477 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
478 {
479         if (Splash::instance()) {
480                 Splash::instance()->pop_back_for (win);
481         }
482 }
483
484 gint
485 ARDOUR_UI::configure_timeout ()
486 {
487         if (last_configure_time == 0) {
488                 /* no configure events yet */
489                 return true;
490         }
491
492         /* force a gap of 0.5 seconds since the last configure event
493          */
494
495         if (get_microseconds() - last_configure_time < 500000) {
496                 return true;
497         } else {
498                 have_configure_timeout = false;
499                 save_ardour_state ();
500                 return false;
501         }
502 }
503
504 gboolean
505 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
506 {
507         if (have_configure_timeout) {
508                 last_configure_time = get_microseconds();
509         } else {
510                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
511                 have_configure_timeout = true;
512         }
513
514         return FALSE;
515 }
516
517 void
518 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
519 {
520         const XMLProperty* prop;
521
522         if ((prop = node.property ("roll")) != 0) {
523                 roll_controllable->set_id (prop->value());
524         }
525         if ((prop = node.property ("stop")) != 0) {
526                 stop_controllable->set_id (prop->value());
527         }
528         if ((prop = node.property ("goto-start")) != 0) {
529                 goto_start_controllable->set_id (prop->value());
530         }
531         if ((prop = node.property ("goto-end")) != 0) {
532                 goto_end_controllable->set_id (prop->value());
533         }
534         if ((prop = node.property ("auto-loop")) != 0) {
535                 auto_loop_controllable->set_id (prop->value());
536         }
537         if ((prop = node.property ("play-selection")) != 0) {
538                 play_selection_controllable->set_id (prop->value());
539         }
540         if ((prop = node.property ("rec")) != 0) {
541                 rec_controllable->set_id (prop->value());
542         }
543         if ((prop = node.property ("shuttle")) != 0) {
544                 shuttle_box->controllable()->set_id (prop->value());
545         }
546 }
547
548 XMLNode&
549 ARDOUR_UI::get_transport_controllable_state ()
550 {
551         XMLNode* node = new XMLNode(X_("TransportControllables"));
552         char buf[64];
553
554         roll_controllable->id().print (buf, sizeof (buf));
555         node->add_property (X_("roll"), buf);
556         stop_controllable->id().print (buf, sizeof (buf));
557         node->add_property (X_("stop"), buf);
558         goto_start_controllable->id().print (buf, sizeof (buf));
559         node->add_property (X_("goto_start"), buf);
560         goto_end_controllable->id().print (buf, sizeof (buf));
561         node->add_property (X_("goto_end"), buf);
562         auto_loop_controllable->id().print (buf, sizeof (buf));
563         node->add_property (X_("auto_loop"), buf);
564         play_selection_controllable->id().print (buf, sizeof (buf));
565         node->add_property (X_("play_selection"), buf);
566         rec_controllable->id().print (buf, sizeof (buf));
567         node->add_property (X_("rec"), buf);
568         shuttle_box->controllable()->id().print (buf, sizeof (buf));
569         node->add_property (X_("shuttle"), buf);
570
571         return *node;
572 }
573
574
575 gint
576 ARDOUR_UI::autosave_session ()
577 {
578         if (g_main_depth() > 1) {
579                 /* inside a recursive main loop,
580                    give up because we may not be able to
581                    take a lock.
582                 */
583                 return 1;
584         }
585
586         if (!Config->get_periodic_safety_backups()) {
587                 return 1;
588         }
589
590         if (_session) {
591                 _session->maybe_write_autosave();
592         }
593
594         return 1;
595 }
596
597 void
598 ARDOUR_UI::update_autosave ()
599 {
600         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
601
602         if (_session && _session->dirty()) {
603                 if (_autosave_connection.connected()) {
604                         _autosave_connection.disconnect();
605                 }
606
607                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
608                                 Config->get_periodic_safety_backup_interval() * 1000);
609
610         } else {
611                 if (_autosave_connection.connected()) {
612                         _autosave_connection.disconnect();
613                 }
614         }
615 }
616
617 void
618 ARDOUR_UI::check_announcements ()
619 {
620 #ifdef PHONE_HOME
621         string _annc_filename;
622
623 #ifdef __APPLE__
624         _annc_filename = PROGRAM_NAME "_announcements_osx_";
625 #else
626         _annc_filename = PROGRAM_NAME "_announcements_linux_";
627 #endif
628         _annc_filename.append (VERSIONSTRING);
629
630         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
631         std::ifstream announce_file (path.c_str());
632         if ( announce_file.fail() )
633                 _announce_string = "";
634         else {
635                 std::stringstream oss;
636                 oss << announce_file.rdbuf();
637                 _announce_string = oss.str();
638         }
639
640         pingback (VERSIONSTRING, path);
641 #endif
642 }
643
644 void
645 ARDOUR_UI::startup ()
646 {
647         Application* app = Application::instance ();
648         char *nsm_url;
649         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
650         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
651
652         if (ARDOUR_COMMAND_LINE::check_announcements) {
653                 check_announcements ();
654         }
655
656         app->ready ();
657
658         nsm_url = getenv ("NSM_URL");
659         nsm = 0;
660
661         if (nsm_url) {
662                 nsm = new NSM_Client;
663                 if (!nsm->init (nsm_url)) {
664                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
665
666                         unsigned int i = 0;
667                         // wait for announce reply from nsm server
668                         for ( i = 0; i < 5000; ++i) {
669                                 nsm->check ();
670                                 usleep (i);
671                                 if (nsm->is_active())
672                                         break;
673                         }
674                         // wait for open command from nsm server
675                         for ( i = 0; i < 5000; ++i) {
676                                 nsm->check ();
677                                 usleep (1000);
678                                 if (nsm->client_id ())
679                                         break;
680                         }
681
682                         if (_session && nsm) {
683                                 _session->set_nsm_state( nsm->is_active() );
684                         }
685
686                         // nsm requires these actions disabled
687                         vector<string> action_names;
688                         action_names.push_back("SaveAs");
689                         action_names.push_back("Rename");
690                         action_names.push_back("New");
691                         action_names.push_back("Open");
692                         action_names.push_back("Recent");
693                         action_names.push_back("Close");
694
695                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
696                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
697                                 if (act) {
698                                         act->set_sensitive (false);
699                                 }
700                         }
701
702                 }
703                 else {
704                         delete nsm;
705                         nsm = 0;
706                 }
707         }
708
709         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
710                 exit (1);
711         }
712
713         use_config ();
714
715         goto_editor_window ();
716
717         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
718            to be opened on top of the editor window that goto_editor_window() just opened.
719         */
720         add_window_proxy (location_ui);
721         add_window_proxy (big_clock_window);
722         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
723                 add_window_proxy (_global_port_matrix[*i]);
724         }
725
726         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
727          * editor window, and we may want stuff to be hidden.
728          */
729         _status_bar_visibility.update ();
730
731         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
732 }
733
734 void
735 ARDOUR_UI::no_memory_warning ()
736 {
737         XMLNode node (X_("no-memory-warning"));
738         Config->add_instant_xml (node);
739 }
740
741 void
742 ARDOUR_UI::check_memory_locking ()
743 {
744 #ifdef __APPLE__
745         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
746         return;
747 #else // !__APPLE__
748
749         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
750
751         if (engine->is_realtime() && memory_warning_node == 0) {
752
753                 struct rlimit limits;
754                 int64_t ram;
755                 long pages, page_size;
756 #ifdef __FreeBSD__
757                 size_t pages_len=sizeof(pages);
758                 if ((page_size = getpagesize()) < 0 ||
759                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
760 #else
761                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
762 #endif
763                 {
764                         ram = 0;
765                 } else {
766                         ram = (int64_t) pages * (int64_t) page_size;
767                 }
768
769                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
770                         return;
771                 }
772
773                 if (limits.rlim_cur != RLIM_INFINITY) {
774
775                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
776
777                                 MessageDialog msg (
778                                         string_compose (
779                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
780                                                   "This might cause %1 to run out of memory before your system "
781                                                   "runs out of memory. \n\n"
782                                                   "You can view the memory limit with 'ulimit -l', "
783                                                   "and it is normally controlled by %2"),
784                                                 PROGRAM_NAME).c_str(), 
785 #ifdef __FreeBSD__
786                                         X_("/etc/login.conf")
787 #else
788                                         X_(" /etc/security/limits.conf")
789 #endif
790                                         );
791
792                                 msg.set_default_response (RESPONSE_OK);
793
794                                 VBox* vbox = msg.get_vbox();
795                                 HBox hbox;
796                                 CheckButton cb (_("Do not show this window again"));
797
798                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
799                                 
800                                 hbox.pack_start (cb, true, false);
801                                 vbox->pack_start (hbox);
802                                 cb.show();
803                                 vbox->show();
804                                 hbox.show ();
805
806                                 pop_back_splash (msg);
807
808                                 editor->ensure_float (msg);
809                                 msg.run ();
810                         }
811                 }
812         }
813 #endif // !__APPLE__
814 }
815
816
817 void
818 ARDOUR_UI::queue_finish ()
819 {
820         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
821 }
822
823 bool
824 ARDOUR_UI::idle_finish ()
825 {
826         finish ();
827         return false; /* do not call again */
828 }
829
830 void
831 ARDOUR_UI::finish()
832 {
833         if (_session) {
834                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
835
836                 if (_session->dirty()) {
837                         vector<string> actions;
838                         actions.push_back (_("Don't quit"));
839                         actions.push_back (_("Just quit"));
840                         actions.push_back (_("Save and quit"));
841                         switch (ask_about_saving_session(actions)) {
842                         case -1:
843                                 return;
844                                 break;
845                         case 1:
846                                 /* use the default name */
847                                 if (save_state_canfail ("")) {
848                                         /* failed - don't quit */
849                                         MessageDialog msg (*editor,
850                                                            string_compose (_("\
851 %1 was unable to save your session.\n\n\
852 If you still wish to quit, please use the\n\n\
853 \"Just quit\" option."), PROGRAM_NAME));
854                                         pop_back_splash(msg);
855                                         msg.run ();
856                                         return;
857                                 }
858                                 break;
859                         case 0:
860                                 break;
861                         }
862                 }
863
864                 second_connection.disconnect ();
865                 point_one_second_connection.disconnect ();
866                 point_oh_five_second_connection.disconnect ();
867                 point_zero_one_second_connection.disconnect();
868         }
869
870         delete ARDOUR_UI::instance()->video_timeline;
871         stop_video_server();
872
873         /* Save state before deleting the session, as that causes some
874            windows to be destroyed before their visible state can be
875            saved.
876         */
877         save_ardour_state ();
878
879         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
880
881         if (_session) {
882                 // _session->set_deletion_in_progress ();
883                 _session->set_clean ();
884                 _session->remove_pending_capture_state ();
885                 delete _session;
886                 _session = 0;
887         }
888
889         ArdourDialog::close_all_dialogs ();
890         engine->stop (true);
891         quit ();
892 }
893
894 int
895 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
896 {
897         ArdourDialog window (_("Unsaved Session"));
898         Gtk::HBox dhbox;  // the hbox for the image and text
899         Gtk::Label  prompt_label;
900         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
901
902         string msg;
903
904         assert (actions.size() >= 3);
905
906         window.add_button (actions[0], RESPONSE_REJECT);
907         window.add_button (actions[1], RESPONSE_APPLY);
908         window.add_button (actions[2], RESPONSE_ACCEPT);
909
910         window.set_default_response (RESPONSE_ACCEPT);
911
912         Gtk::Button noquit_button (msg);
913         noquit_button.set_name ("EditorGTKButton");
914
915         string prompt;
916
917         if (_session->snap_name() == _session->name()) {
918                 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?"),
919                                         _session->snap_name());
920         } else {
921                 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?"),
922                                         _session->snap_name());
923         }
924
925         prompt_label.set_text (prompt);
926         prompt_label.set_name (X_("PrompterLabel"));
927         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
928
929         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
930         dhbox.set_homogeneous (false);
931         dhbox.pack_start (*dimage, false, false, 5);
932         dhbox.pack_start (prompt_label, true, false, 5);
933         window.get_vbox()->pack_start (dhbox);
934
935         window.set_name (_("Prompter"));
936         window.set_position (Gtk::WIN_POS_MOUSE);
937         window.set_modal (true);
938         window.set_resizable (false);
939
940         dhbox.show();
941         prompt_label.show();
942         dimage->show();
943         window.show();
944         window.set_keep_above (true);
945         window.present ();
946
947         ResponseType r = (ResponseType) window.run();
948
949         window.hide ();
950
951         switch (r) {
952         case RESPONSE_ACCEPT: // save and get out of here
953                 return 1;
954         case RESPONSE_APPLY:  // get out of here
955                 return 0;
956         default:
957                 break;
958         }
959
960         return -1;
961 }
962
963
964 gint
965 ARDOUR_UI::every_second ()
966 {
967         update_cpu_load ();
968         update_buffer_load ();
969         update_disk_space ();
970         update_timecode_format ();
971
972         if (nsm && nsm->is_active ()) {
973                 nsm->check ();
974
975                 if (!_was_dirty && _session->dirty ()) {
976                         nsm->is_dirty ();
977                         _was_dirty = true;
978                 }
979                 else if (_was_dirty && !_session->dirty ()){
980                         nsm->is_clean ();
981                         _was_dirty = false;
982                 }
983         }
984         return TRUE;
985 }
986
987 gint
988 ARDOUR_UI::every_point_one_seconds ()
989 {
990         shuttle_box->update_speed_display ();
991         RapidScreenUpdate(); /* EMIT_SIGNAL */
992         return TRUE;
993 }
994
995 gint
996 ARDOUR_UI::every_point_zero_one_seconds ()
997 {
998         // august 2007: actual update frequency: 40Hz, not 100Hz
999
1000         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1001         return TRUE;
1002 }
1003
1004 void
1005 ARDOUR_UI::update_sample_rate (framecnt_t)
1006 {
1007         char buf[64];
1008
1009         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1010
1011         if (!engine->connected()) {
1012
1013                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1014
1015         } else {
1016
1017                 framecnt_t rate = engine->frame_rate();
1018
1019                 if (fmod (rate, 1000.0) != 0.0) {
1020                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1021                                   (float) rate/1000.0f,
1022                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1023                 } else {
1024                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1025                                   rate/1000,
1026                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1027                 }
1028         }
1029
1030         sample_rate_label.set_markup (buf);
1031 }
1032
1033 void
1034 ARDOUR_UI::update_format ()
1035 {
1036         if (!_session) {
1037                 format_label.set_text ("");
1038                 return;
1039         }
1040
1041         stringstream s;
1042         s << _("File:") << X_(" <span foreground=\"green\">");
1043
1044         switch (_session->config.get_native_file_header_format ()) {
1045         case BWF:
1046                 s << _("BWF");
1047                 break;
1048         case WAVE:
1049                 s << _("WAV");
1050                 break;
1051         case WAVE64:
1052                 s << _("WAV64");
1053                 break;
1054         case CAF:
1055                 s << _("CAF");
1056                 break;
1057         case AIFF:
1058                 s << _("AIFF");
1059                 break;
1060         case iXML:
1061                 s << _("iXML");
1062                 break;
1063         case RF64:
1064                 s << _("RF64");
1065                 break;
1066         }
1067
1068         s << " ";
1069         
1070         switch (_session->config.get_native_file_data_format ()) {
1071         case FormatFloat:
1072                 s << _("32-float");
1073                 break;
1074         case FormatInt24:
1075                 s << _("24-int");
1076                 break;
1077         case FormatInt16:
1078                 s << _("16-int");
1079                 break;
1080         }
1081
1082         s << X_("</span>");
1083
1084         format_label.set_markup (s.str ());
1085 }
1086
1087 void
1088 ARDOUR_UI::update_cpu_load ()
1089 {
1090         char buf[64];
1091
1092         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1093            should also be changed.
1094         */
1095
1096         float const c = engine->get_cpu_load ();
1097         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1098         cpu_load_label.set_markup (buf);
1099 }
1100
1101 void
1102 ARDOUR_UI::update_buffer_load ()
1103 {
1104         char buf[256];
1105
1106         uint32_t const playback = _session ? _session->playback_load () : 100;
1107         uint32_t const capture = _session ? _session->capture_load () : 100;
1108
1109         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1110            should also be changed.
1111         */
1112         
1113         if (_session) {
1114                 snprintf (
1115                         buf, sizeof (buf),
1116                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1117                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1118                         playback <= 5 ? X_("red") : X_("green"),
1119                         playback,
1120                         capture <= 5 ? X_("red") : X_("green"),
1121                         capture
1122                         );
1123
1124                 buffer_load_label.set_markup (buf);
1125         } else {
1126                 buffer_load_label.set_text ("");
1127         }
1128 }
1129
1130 void
1131 ARDOUR_UI::count_recenabled_streams (Route& route)
1132 {
1133         Track* track = dynamic_cast<Track*>(&route);
1134         if (track && track->record_enabled()) {
1135                 rec_enabled_streams += track->n_inputs().n_total();
1136         }
1137 }
1138
1139 void
1140 ARDOUR_UI::update_disk_space()
1141 {
1142         if (_session == 0) {
1143                 return;
1144         }
1145
1146         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1147         char buf[64];
1148         framecnt_t fr = _session->frame_rate();
1149
1150         if (!opt_frames) {
1151                 /* Available space is unknown */
1152                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1153         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1154                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1155         } else {
1156                 rec_enabled_streams = 0;
1157                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1158
1159                 framecnt_t frames = opt_frames.get_value_or (0);
1160
1161                 if (rec_enabled_streams) {
1162                         frames /= rec_enabled_streams;
1163                 }
1164
1165                 int hrs;
1166                 int mins;
1167                 int secs;
1168
1169                 hrs  = frames / (fr * 3600);
1170
1171                 if (hrs > 24) {
1172                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1173                 } else {
1174                         frames -= hrs * fr * 3600;
1175                         mins = frames / (fr * 60);
1176                         frames -= mins * fr * 60;
1177                         secs = frames / fr;
1178                         
1179                         bool const low = (hrs == 0 && mins <= 30);
1180                         
1181                         snprintf (
1182                                 buf, sizeof(buf),
1183                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1184                                 low ? X_("red") : X_("green"),
1185                                 hrs, mins, secs
1186                                 );
1187                 }
1188         }
1189
1190         disk_space_label.set_markup (buf);
1191 }
1192
1193 void
1194 ARDOUR_UI::update_timecode_format ()
1195 {
1196         char buf[64];
1197
1198         if (_session) {
1199                 bool matching;
1200                 TimecodeSlave* tcslave;
1201                 SyncSource sync_src = Config->get_sync_source();
1202
1203                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1204                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1205                 } else {
1206                         matching = true;
1207                 }
1208                         
1209                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1210                           matching ? X_("green") : X_("red"),
1211                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1212         } else {
1213                 snprintf (buf, sizeof (buf), "TC: n/a");
1214         }
1215
1216         timecode_format_label.set_markup (buf);
1217 }       
1218
1219 gint
1220 ARDOUR_UI::update_wall_clock ()
1221 {
1222         time_t now;
1223         struct tm *tm_now;
1224         static int last_min = -1;
1225
1226         time (&now);
1227         tm_now = localtime (&now);
1228         if (last_min != tm_now->tm_min) {
1229                 char buf[16];
1230                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1231                 wall_clock_label.set_text (buf);
1232                 last_min = tm_now->tm_min;
1233         }
1234
1235         return TRUE;
1236 }
1237
1238 void
1239 ARDOUR_UI::redisplay_recent_sessions ()
1240 {
1241         std::vector<std::string> session_directories;
1242         RecentSessionsSorter cmp;
1243
1244         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1245         recent_session_model->clear ();
1246
1247         ARDOUR::RecentSessions rs;
1248         ARDOUR::read_recent_sessions (rs);
1249
1250         if (rs.empty()) {
1251                 recent_session_display.set_model (recent_session_model);
1252                 return;
1253         }
1254
1255         // sort them alphabetically
1256         sort (rs.begin(), rs.end(), cmp);
1257
1258         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1259                 session_directories.push_back ((*i).second);
1260         }
1261
1262         for (vector<std::string>::const_iterator i = session_directories.begin();
1263                         i != session_directories.end(); ++i)
1264         {
1265                 std::vector<std::string> state_file_paths;
1266
1267                 // now get available states for this session
1268
1269                 get_state_files_in_directory (*i, state_file_paths);
1270
1271                 vector<string*>* states;
1272                 vector<const gchar*> item;
1273                 string fullpath = *i;
1274
1275                 /* remove any trailing / */
1276
1277                 if (fullpath[fullpath.length() - 1] == '/') {
1278                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1279                 }
1280
1281                 /* check whether session still exists */
1282                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1283                         /* session doesn't exist */
1284                         continue;
1285                 }
1286
1287                 /* now get available states for this session */
1288
1289                 if ((states = Session::possible_states (fullpath)) == 0) {
1290                         /* no state file? */
1291                         continue;
1292                 }
1293
1294                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1295
1296                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1297
1298                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1299                 row[recent_session_columns.fullpath] = fullpath;
1300                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1301
1302                 if (state_file_names.size() > 1) {
1303
1304                         // add the children
1305
1306                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1307                                         i2 != state_file_names.end(); ++i2)
1308                         {
1309
1310                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1311
1312                                 child_row[recent_session_columns.visible_name] = *i2;
1313                                 child_row[recent_session_columns.fullpath] = fullpath;
1314                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1315                         }
1316                 }
1317         }
1318
1319         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1320         recent_session_display.set_model (recent_session_model);
1321 }
1322
1323 void
1324 ARDOUR_UI::build_session_selector ()
1325 {
1326         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1327
1328         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1329
1330         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1331         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1332         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1333         recent_session_model = TreeStore::create (recent_session_columns);
1334         recent_session_display.set_model (recent_session_model);
1335         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1336         recent_session_display.set_headers_visible (false);
1337         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1338         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1339
1340         scroller->add (recent_session_display);
1341         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1342
1343         session_selector_window->set_name ("SessionSelectorWindow");
1344         session_selector_window->set_size_request (200, 400);
1345         session_selector_window->get_vbox()->pack_start (*scroller);
1346
1347         recent_session_display.show();
1348         scroller->show();
1349 }
1350
1351 void
1352 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1353 {
1354         session_selector_window->response (RESPONSE_ACCEPT);
1355 }
1356
1357 void
1358 ARDOUR_UI::open_recent_session ()
1359 {
1360         bool can_return = (_session != 0);
1361
1362         if (session_selector_window == 0) {
1363                 build_session_selector ();
1364         }
1365
1366         redisplay_recent_sessions ();
1367
1368         while (true) {
1369
1370                 session_selector_window->set_position (WIN_POS_MOUSE);
1371
1372                 ResponseType r = (ResponseType) session_selector_window->run ();
1373
1374                 switch (r) {
1375                 case RESPONSE_ACCEPT:
1376                         break;
1377                 default:
1378                         if (can_return) {
1379                                 session_selector_window->hide();
1380                                 return;
1381                         } else {
1382                                 exit (1);
1383                         }
1384                 }
1385
1386                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1387                         continue;
1388                 }
1389
1390                 session_selector_window->hide();
1391
1392                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1393
1394                 if (i == recent_session_model->children().end()) {
1395                         return;
1396                 }
1397
1398                 std::string path = (*i)[recent_session_columns.fullpath];
1399                 std::string state = (*i)[recent_session_columns.visible_name];
1400
1401                 _session_is_new = false;
1402
1403                 if (load_session (path, state) == 0) {
1404                         break;
1405                 }
1406
1407                 can_return = false;
1408         }
1409 }
1410
1411 bool
1412 ARDOUR_UI::check_audioengine ()
1413 {
1414         if (engine) {
1415                 if (!engine->connected()) {
1416                         MessageDialog msg (string_compose (
1417                                                    _("%1 is not connected to JACK\n"
1418                                                      "You cannot open or close sessions in this condition"),
1419                                                    PROGRAM_NAME));
1420                         pop_back_splash (msg);
1421                         msg.run ();
1422                         return false;
1423                 }
1424                 return true;
1425         } else {
1426                 return false;
1427         }
1428 }
1429
1430 void
1431 ARDOUR_UI::open_session ()
1432 {
1433         if (!check_audioengine()) {
1434                 return;
1435
1436         }
1437
1438         /* popup selector window */
1439
1440         if (open_session_selector == 0) {
1441
1442                 /* ardour sessions are folders */
1443
1444                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1445                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1446                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1447                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1448                 
1449                 if (_session) {
1450                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1451                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1452                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1453                         open_session_selector->set_current_folder(session_parent_dir);
1454                 } else {
1455                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1456                 }
1457
1458                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1459
1460                 FileFilter session_filter;
1461                 session_filter.add_pattern ("*.ardour");
1462                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1463                 open_session_selector->add_filter (session_filter);
1464                 open_session_selector->set_filter (session_filter);
1465         }
1466
1467         int response = open_session_selector->run();
1468         open_session_selector->hide ();
1469
1470         switch (response) {
1471         case RESPONSE_ACCEPT:
1472                 break;
1473         default:
1474                 open_session_selector->hide();
1475                 return;
1476         }
1477
1478         open_session_selector->hide();
1479         string session_path = open_session_selector->get_filename();
1480         string path, name;
1481         bool isnew;
1482
1483         if (session_path.length() > 0) {
1484                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1485                         _session_is_new = isnew;
1486                         load_session (path, name);
1487                 }
1488         }
1489 }
1490
1491
1492 void
1493 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group, 
1494                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1495 {
1496         list<boost::shared_ptr<MidiTrack> > tracks;
1497
1498         if (_session == 0) {
1499                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1500                 return;
1501         }
1502
1503         try {
1504                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1505                 
1506                 if (tracks.size() != how_many) {
1507                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1508                 }
1509         }
1510
1511         catch (...) {
1512                 MessageDialog msg (*editor,
1513                                    string_compose (_("There are insufficient JACK ports available\n\
1514 to create a new track or bus.\n\
1515 You should save %1, exit and\n\
1516 restart JACK with more ports."), PROGRAM_NAME));
1517                 msg.run ();
1518         }
1519 }
1520         
1521
1522 void
1523 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1524 {
1525         ChanCount one_midi_channel;
1526         one_midi_channel.set (DataType::MIDI, 1);
1527
1528         if (disk) {
1529                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1530         }
1531 }
1532
1533 void
1534 ARDOUR_UI::session_add_audio_route (
1535         bool track,
1536         int32_t input_channels,
1537         int32_t output_channels,
1538         ARDOUR::TrackMode mode,
1539         RouteGroup* route_group,
1540         uint32_t how_many,
1541         string const & name_template
1542         )
1543 {
1544         list<boost::shared_ptr<AudioTrack> > tracks;
1545         RouteList routes;
1546
1547         if (_session == 0) {
1548                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1549                 return;
1550         }
1551
1552         try {
1553                 if (track) {
1554                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1555
1556                         if (tracks.size() != how_many) {
1557                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many) 
1558                                       << endmsg;
1559                         }
1560
1561                 } else {
1562
1563                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1564
1565                         if (routes.size() != how_many) {
1566                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1567                                       << endmsg;
1568                         }
1569                 }
1570         }
1571
1572         catch (...) {
1573                 MessageDialog msg (*editor,
1574                                    string_compose (_("There are insufficient JACK ports available\n\
1575 to create a new track or bus.\n\
1576 You should save %1, exit and\n\
1577 restart JACK with more ports."), PROGRAM_NAME));
1578                 pop_back_splash (msg);
1579                 msg.run ();
1580         }
1581 }
1582
1583 void
1584 ARDOUR_UI::transport_goto_start ()
1585 {
1586         if (_session) {
1587                 _session->goto_start();
1588
1589                 /* force displayed area in editor to start no matter
1590                    what "follow playhead" setting is.
1591                 */
1592
1593                 if (editor) {
1594                         editor->center_screen (_session->current_start_frame ());
1595                 }
1596         }
1597 }
1598
1599 void
1600 ARDOUR_UI::transport_goto_zero ()
1601 {
1602         if (_session) {
1603                 _session->request_locate (0);
1604
1605                 /* force displayed area in editor to start no matter
1606                    what "follow playhead" setting is.
1607                 */
1608
1609                 if (editor) {
1610                         editor->reset_x_origin (0);
1611                 }
1612         }
1613 }
1614
1615 void
1616 ARDOUR_UI::transport_goto_wallclock ()
1617 {
1618         if (_session && editor) {
1619
1620                 time_t now;
1621                 struct tm tmnow;
1622                 framepos_t frames;
1623
1624                 time (&now);
1625                 localtime_r (&now, &tmnow);
1626
1627                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1628                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1629                 frames += tmnow.tm_sec * _session->frame_rate();
1630
1631                 _session->request_locate (frames, _session->transport_rolling ());
1632
1633                 /* force displayed area in editor to start no matter
1634                    what "follow playhead" setting is.
1635                 */
1636
1637                 if (editor) {
1638                         editor->center_screen (frames);
1639                 }
1640         }
1641 }
1642
1643 void
1644 ARDOUR_UI::transport_goto_end ()
1645 {
1646         if (_session) {
1647                 framepos_t const frame = _session->current_end_frame();
1648                 _session->request_locate (frame);
1649
1650                 /* force displayed area in editor to start no matter
1651                    what "follow playhead" setting is.
1652                 */
1653
1654                 if (editor) {
1655                         editor->center_screen (frame);
1656                 }
1657         }
1658 }
1659
1660 void
1661 ARDOUR_UI::transport_stop ()
1662 {
1663         if (!_session) {
1664                 return;
1665         }
1666
1667         if (_session->is_auditioning()) {
1668                 _session->cancel_audition ();
1669                 return;
1670         }
1671
1672         _session->request_stop (false, true);
1673 }
1674
1675 void
1676 ARDOUR_UI::transport_record (bool roll)
1677 {
1678
1679         if (_session) {
1680                 switch (_session->record_status()) {
1681                 case Session::Disabled:
1682                         if (_session->ntracks() == 0) {
1683                                 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."));
1684                                 msg.run ();
1685                                 return;
1686                         }
1687                         _session->maybe_enable_record ();
1688                         if (roll) {
1689                                 transport_roll ();
1690                         }
1691                         break;
1692                 case Session::Recording:
1693                         if (roll) {
1694                                 _session->request_stop();
1695                         } else {
1696                                 _session->disable_record (false, true);
1697                         }
1698                         break;
1699
1700                 case Session::Enabled:
1701                         _session->disable_record (false, true);
1702                 }
1703         }
1704 }
1705
1706 void
1707 ARDOUR_UI::transport_roll ()
1708 {
1709         if (!_session) {
1710                 return;
1711         }
1712
1713         if (_session->is_auditioning()) {
1714                 return;
1715         }
1716
1717 #if 0
1718         if (_session->config.get_external_sync()) {
1719                 switch (Config->get_sync_source()) {
1720                 case JACK:
1721                         break;
1722                 default:
1723                         /* transport controlled by the master */
1724                         return;
1725                 }
1726         }
1727 #endif
1728
1729         bool rolling = _session->transport_rolling();
1730
1731         if (_session->get_play_loop()) {
1732                 /* XXX it is not possible to just leave seamless loop and keep
1733                    playing at present (nov 4th 2009)
1734                 */
1735                 if (!Config->get_seamless_loop()) {
1736                         _session->request_play_loop (false, true);
1737                 }
1738         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1739                 /* stop playing a range if we currently are */
1740                 _session->request_play_range (0, true);
1741         }
1742
1743         if (!rolling) {
1744                 _session->request_transport_speed (1.0f);
1745         }
1746 }
1747
1748 bool
1749 ARDOUR_UI::get_smart_mode() const
1750 {
1751         return ( editor->get_smart_mode() );
1752 }
1753
1754
1755 void
1756 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1757 {
1758
1759         if (!_session) {
1760                 return;
1761         }
1762
1763         if (_session->is_auditioning()) {
1764                 _session->cancel_audition ();
1765                 return;
1766         }
1767
1768         if (_session->config.get_external_sync()) {
1769                 switch (Config->get_sync_source()) {
1770                 case JACK:
1771                         break;
1772                 default:
1773                         /* transport controlled by the master */
1774                         return;
1775                 }
1776         }
1777
1778         bool rolling = _session->transport_rolling();
1779         bool affect_transport = true;
1780
1781         if (rolling && roll_out_of_bounded_mode) {
1782                 /* drop out of loop/range playback but leave transport rolling */
1783                 if (_session->get_play_loop()) {
1784                         if (Config->get_seamless_loop()) {
1785                                 /* the disk buffers contain copies of the loop - we can't
1786                                    just keep playing, so stop the transport. the user
1787                                    can restart as they wish.
1788                                 */
1789                                 affect_transport = true;
1790                         } else {
1791                                 /* disk buffers are normal, so we can keep playing */
1792                                 affect_transport = false;
1793                         }
1794                         _session->request_play_loop (false, true);
1795                 } else if (_session->get_play_range ()) {
1796                         affect_transport = false;
1797                         _session->request_play_range (0, true);
1798                 }
1799         }
1800
1801         if (affect_transport) {
1802                 if (rolling) {
1803                         _session->request_stop (with_abort, true);
1804                 } else {
1805                         if ( Config->get_always_play_range() ) {
1806                                 _session->request_play_range (&editor->get_selection().time, true);
1807                         }
1808
1809                         _session->request_transport_speed (1.0f);
1810                 }
1811         }
1812 }
1813
1814 void
1815 ARDOUR_UI::toggle_session_auto_loop ()
1816 {
1817         Location * looploc = _session->locations()->auto_loop_location();
1818
1819         if (!_session || !looploc) {
1820                 return;
1821         }
1822
1823         if (_session->get_play_loop()) {
1824
1825                 if (_session->transport_rolling()) {
1826
1827                         _session->request_locate (looploc->start(), true);
1828                         _session->request_play_loop (false);
1829
1830                 } else {
1831                         _session->request_play_loop (false);
1832                 }
1833         } else {
1834                 _session->request_play_loop (true);
1835         }
1836         
1837         //show the loop markers
1838         looploc->set_hidden (false, this);
1839 }
1840
1841 void
1842 ARDOUR_UI::transport_play_selection ()
1843 {
1844         if (!_session) {
1845                 return;
1846         }
1847
1848         editor->play_selection ();
1849 }
1850
1851 void
1852 ARDOUR_UI::transport_play_preroll ()
1853 {
1854         if (!_session) {
1855                 return;
1856         }
1857         editor->play_with_preroll ();
1858 }
1859
1860 void
1861 ARDOUR_UI::transport_rewind (int option)
1862 {
1863         float current_transport_speed;
1864
1865         if (_session) {
1866                 current_transport_speed = _session->transport_speed();
1867
1868                 if (current_transport_speed >= 0.0f) {
1869                         switch (option) {
1870                         case 0:
1871                                 _session->request_transport_speed (-1.0f);
1872                                 break;
1873                         case 1:
1874                                 _session->request_transport_speed (-4.0f);
1875                                 break;
1876                         case -1:
1877                                 _session->request_transport_speed (-0.5f);
1878                                 break;
1879                         }
1880                 } else {
1881                         /* speed up */
1882                         _session->request_transport_speed (current_transport_speed * 1.5f);
1883                 }
1884         }
1885 }
1886
1887 void
1888 ARDOUR_UI::transport_forward (int option)
1889 {
1890         if (!_session) {
1891                 return;
1892         }
1893         
1894         float current_transport_speed = _session->transport_speed();
1895         
1896         if (current_transport_speed <= 0.0f) {
1897                 switch (option) {
1898                 case 0:
1899                         _session->request_transport_speed (1.0f);
1900                         break;
1901                 case 1:
1902                         _session->request_transport_speed (4.0f);
1903                         break;
1904                 case -1:
1905                         _session->request_transport_speed (0.5f);
1906                         break;
1907                 }
1908         } else {
1909                 /* speed up */
1910                 _session->request_transport_speed (current_transport_speed * 1.5f);
1911         }
1912 }
1913
1914 void
1915 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1916 {
1917         if (!_session) {
1918                 return;
1919         }
1920
1921         boost::shared_ptr<Route> r;
1922
1923         if ((r = _session->route_by_remote_id (rid)) != 0) {
1924
1925                 Track* t;
1926
1927                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1928                         t->set_record_enabled (!t->record_enabled(), this);
1929                 }
1930         }
1931 }
1932
1933 void
1934 ARDOUR_UI::map_transport_state ()
1935 {
1936         if (!_session) {
1937                 auto_loop_button.unset_active_state ();
1938                 play_selection_button.unset_active_state ();
1939                 roll_button.unset_active_state ();
1940                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1941                 return;
1942         }
1943
1944         shuttle_box->map_transport_state ();
1945
1946         float sp = _session->transport_speed();
1947
1948         if (sp != 0.0f) {
1949
1950                 /* we're rolling */
1951
1952                 if (_session->get_play_range()) {
1953
1954                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1955                         roll_button.unset_active_state ();
1956                         auto_loop_button.unset_active_state ();
1957
1958                 } else if (_session->get_play_loop ()) {
1959
1960                         auto_loop_button.set_active (true);
1961                         play_selection_button.set_active (false);
1962                         roll_button.set_active (false);
1963
1964                 } else {
1965
1966                         roll_button.set_active (true);
1967                         play_selection_button.set_active (false);
1968                         auto_loop_button.set_active (false);
1969                 }
1970
1971                 if (Config->get_always_play_range()) {
1972                         /* light up both roll and play-selection if they are joined */
1973                         roll_button.set_active (true);
1974                         play_selection_button.set_active (true);
1975                 }
1976
1977                 stop_button.set_active (false);
1978
1979         } else {
1980
1981                 stop_button.set_active (true);
1982                 roll_button.set_active (false);
1983                 play_selection_button.set_active (false);
1984                 auto_loop_button.set_active (false);
1985                 update_disk_space ();
1986         }
1987 }
1988
1989 void
1990 ARDOUR_UI::engine_stopped ()
1991 {
1992         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
1993         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
1994         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
1995 }
1996
1997 void
1998 ARDOUR_UI::engine_running ()
1999 {
2000         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2001         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2002         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2003
2004         Glib::RefPtr<Action> action;
2005         const char* action_name = 0;
2006
2007         switch (engine->frames_per_cycle()) {
2008         case 32:
2009                 action_name = X_("JACKLatency32");
2010                 break;
2011         case 64:
2012                 action_name = X_("JACKLatency64");
2013                 break;
2014         case 128:
2015                 action_name = X_("JACKLatency128");
2016                 break;
2017         case 512:
2018                 action_name = X_("JACKLatency512");
2019                 break;
2020         case 1024:
2021                 action_name = X_("JACKLatency1024");
2022                 break;
2023         case 2048:
2024                 action_name = X_("JACKLatency2048");
2025                 break;
2026         case 4096:
2027                 action_name = X_("JACKLatency4096");
2028                 break;
2029         case 8192:
2030                 action_name = X_("JACKLatency8192");
2031                 break;
2032         default:
2033                 /* XXX can we do anything useful ? */
2034                 break;
2035         }
2036
2037         if (action_name) {
2038
2039                 action = ActionManager::get_action (X_("JACK"), action_name);
2040
2041                 if (action) {
2042                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2043                         ract->set_active ();
2044                 }
2045         }
2046 }
2047
2048 void
2049 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2050 {
2051         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2052                 /* we can't rely on the original string continuing to exist when we are called
2053                    again in the GUI thread, so make a copy and note that we need to
2054                    free it later.
2055                 */
2056                 char *copy = strdup (reason);
2057                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2058                 return;
2059         }
2060
2061         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2062         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2063
2064         update_sample_rate (0);
2065
2066         string msgstr;
2067
2068         /* if the reason is a non-empty string, it means that the backend was shutdown
2069            rather than just Ardour.
2070         */
2071
2072         if (strlen (reason)) {
2073                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2074         } else {
2075                 msgstr = string_compose (_("\
2076 JACK has either been shutdown or it\n\
2077 disconnected %1 because %1\n\
2078 was not fast enough. Try to restart\n\
2079 JACK, reconnect and save the session."), PROGRAM_NAME);
2080         }
2081
2082         MessageDialog msg (*editor, msgstr);
2083         pop_back_splash (msg);
2084         msg.set_keep_above (true);
2085         msg.run ();
2086         
2087         if (free_reason) {
2088                 free (const_cast<char*> (reason));
2089         }
2090 }
2091
2092 int32_t
2093 ARDOUR_UI::do_engine_start ()
2094 {
2095         try {
2096                 engine->start();
2097         }
2098
2099         catch (...) {
2100                 engine->stop ();
2101                 error << _("Unable to start the session running")
2102                       << endmsg;
2103                 unload_session ();
2104                 return -2;
2105         }
2106
2107         return 0;
2108 }
2109
2110 void
2111 ARDOUR_UI::update_clocks ()
2112 {
2113         if (!editor || !editor->dragging_playhead()) {
2114                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2115         }
2116 }
2117
2118 void
2119 ARDOUR_UI::start_clocking ()
2120 {
2121         if (Config->get_super_rapid_clock_update()) {
2122                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2123         } else {
2124                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2125         }
2126 }
2127
2128 void
2129 ARDOUR_UI::stop_clocking ()
2130 {
2131         clock_signal_connection.disconnect ();
2132 }
2133
2134 gint
2135 ARDOUR_UI::_blink (void *arg)
2136 {
2137         ((ARDOUR_UI *) arg)->blink ();
2138         return TRUE;
2139 }
2140
2141 void
2142 ARDOUR_UI::blink ()
2143 {
2144         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2145 }
2146
2147 void
2148 ARDOUR_UI::start_blinking ()
2149 {
2150         /* Start the blink signal. Everybody with a blinking widget
2151            uses Blink to drive the widget's state.
2152         */
2153
2154         if (blink_timeout_tag < 0) {
2155                 blink_on = false;
2156                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2157         }
2158 }
2159
2160 void
2161 ARDOUR_UI::stop_blinking ()
2162 {
2163         if (blink_timeout_tag >= 0) {
2164                 g_source_remove (blink_timeout_tag);
2165                 blink_timeout_tag = -1;
2166         }
2167 }
2168
2169
2170 /** Ask the user for the name of a new snapshot and then take it.
2171  */
2172
2173 void
2174 ARDOUR_UI::snapshot_session (bool switch_to_it)
2175 {
2176         ArdourPrompter prompter (true);
2177         string snapname;
2178
2179         prompter.set_name ("Prompter");
2180         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2181         prompter.set_title (_("Take Snapshot"));
2182         prompter.set_prompt (_("Name of new snapshot"));
2183
2184         if (!switch_to_it) {
2185                 char timebuf[128];
2186                 time_t n;
2187                 struct tm local_time;
2188
2189                 time (&n);
2190                 localtime_r (&n, &local_time);
2191                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2192                 prompter.set_initial_text (timebuf);
2193         }
2194
2195   again:
2196         switch (prompter.run()) {
2197         case RESPONSE_ACCEPT:
2198         {
2199                 prompter.get_result (snapname);
2200
2201                 bool do_save = (snapname.length() != 0);
2202
2203                 if (do_save) {
2204                         char illegal = Session::session_name_is_legal(snapname);
2205                         if (illegal) {
2206                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2207                                                      "snapshot names may not contain a '%1' character"), illegal));
2208                                 msg.run ();
2209                                 goto again;
2210                         }
2211                 }
2212
2213                 vector<std::string> p;
2214                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2215                 vector<string> n = get_file_names_no_extension (p);
2216                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2217
2218                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2219                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2220                         confirm.get_vbox()->pack_start (m, true, true);
2221                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2222                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2223                         confirm.show_all ();
2224                         switch (confirm.run()) {
2225                         case RESPONSE_CANCEL:
2226                                 do_save = false;
2227                         }
2228                 }
2229
2230                 if (do_save) {
2231                         save_state (snapname, switch_to_it);
2232                 }
2233                 break;
2234         }
2235
2236         default:
2237                 break;
2238         }
2239 }
2240
2241 /** Ask the user for a new session name and then rename the session to it.
2242  */
2243
2244 void
2245 ARDOUR_UI::rename_session ()
2246 {
2247         if (!_session) {
2248                 return;
2249         }
2250
2251         ArdourPrompter prompter (true);
2252         string name;
2253
2254         prompter.set_name ("Prompter");
2255         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2256         prompter.set_title (_("Rename Session"));
2257         prompter.set_prompt (_("New session name"));
2258
2259   again:
2260         switch (prompter.run()) {
2261         case RESPONSE_ACCEPT:
2262         {
2263                 prompter.get_result (name);
2264
2265                 bool do_rename = (name.length() != 0);
2266
2267                 if (do_rename) {
2268                         char illegal = Session::session_name_is_legal (name);
2269
2270                         if (illegal) {
2271                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2272                                                                      "session names may not contain a '%1' character"), illegal));
2273                                 msg.run ();
2274                                 goto again;
2275                         }
2276
2277                         switch (_session->rename (name)) {
2278                         case -1: {
2279                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2280                                 msg.set_position (WIN_POS_MOUSE);
2281                                 msg.run ();
2282                                 goto again;
2283                                 break;
2284                         }
2285                         case 0:
2286                                 break;
2287                         default: {
2288                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2289                                 msg.set_position (WIN_POS_MOUSE);
2290                                 msg.run ();
2291                                 break;
2292                         }
2293                         }
2294                 }
2295                 
2296                 break;
2297         }
2298
2299         default:
2300                 break;
2301         }
2302 }
2303
2304 void
2305 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2306 {
2307         XMLNode* node = new XMLNode (X_("UI"));
2308
2309         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2310                 if (!(*i)->rc_configured()) {
2311                         node->add_child_nocopy (*((*i)->get_state ()));
2312                 }
2313         }
2314
2315         node->add_child_nocopy (gui_object_state->get_state());
2316
2317         _session->add_extra_xml (*node);
2318
2319         save_state_canfail (name, switch_to_it);
2320 }
2321
2322 int
2323 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2324 {
2325         if (_session) {
2326                 int ret;
2327
2328                 if (name.length() == 0) {
2329                         name = _session->snap_name();
2330                 }
2331
2332                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2333                         return ret;
2334                 }
2335         }
2336
2337         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2338         return 0;
2339 }
2340
2341 void
2342 ARDOUR_UI::primary_clock_value_changed ()
2343 {
2344         if (_session) {
2345                 _session->request_locate (primary_clock->current_time ());
2346         }
2347 }
2348
2349 void
2350 ARDOUR_UI::big_clock_value_changed ()
2351 {
2352         if (_session) {
2353                 _session->request_locate (big_clock->current_time ());
2354         }
2355 }
2356
2357 void
2358 ARDOUR_UI::secondary_clock_value_changed ()
2359 {
2360         if (_session) {
2361                 _session->request_locate (secondary_clock->current_time ());
2362         }
2363 }
2364
2365 void
2366 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2367 {
2368         if (_session == 0) {
2369                 return;
2370         }
2371
2372         if (_session->step_editing()) {
2373                 return;
2374         }
2375
2376         Session::RecordState const r = _session->record_status ();
2377         bool const h = _session->have_rec_enabled_track ();
2378
2379         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2380                 if (onoff) {
2381                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2382                 } else {
2383                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2384                 }
2385         } else if (r == Session::Recording && h) {
2386                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2387         } else {
2388                 rec_button.unset_active_state ();
2389         }
2390 }
2391
2392 void
2393 ARDOUR_UI::save_template ()
2394 {
2395         ArdourPrompter prompter (true);
2396         string name;
2397
2398         if (!check_audioengine()) {
2399                 return;
2400         }
2401
2402         prompter.set_name (X_("Prompter"));
2403         prompter.set_title (_("Save Template"));
2404         prompter.set_prompt (_("Name for template:"));
2405         prompter.set_initial_text(_session->name() + _("-template"));
2406         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2407
2408         switch (prompter.run()) {
2409         case RESPONSE_ACCEPT:
2410                 prompter.get_result (name);
2411
2412                 if (name.length()) {
2413                         _session->save_template (name);
2414                 }
2415                 break;
2416
2417         default:
2418                 break;
2419         }
2420 }
2421
2422 void
2423 ARDOUR_UI::edit_metadata ()
2424 {
2425         SessionMetadataEditor dialog;
2426         dialog.set_session (_session);
2427         editor->ensure_float (dialog);
2428         dialog.run ();
2429 }
2430
2431 void
2432 ARDOUR_UI::import_metadata ()
2433 {
2434         SessionMetadataImporter dialog;
2435         dialog.set_session (_session);
2436         editor->ensure_float (dialog);
2437         dialog.run ();
2438 }
2439
2440 bool
2441 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2442 {
2443         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2444
2445         MessageDialog msg (str,
2446                            false,
2447                            Gtk::MESSAGE_WARNING,
2448                            Gtk::BUTTONS_YES_NO,
2449                            true);
2450
2451
2452         msg.set_name (X_("OpenExistingDialog"));
2453         msg.set_title (_("Open Existing Session"));
2454         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2455         msg.set_position (Gtk::WIN_POS_MOUSE);
2456         pop_back_splash (msg);
2457
2458         switch (msg.run()) {
2459         case RESPONSE_YES:
2460                 return true;
2461                 break;
2462         }
2463         return false;
2464 }
2465
2466 int
2467 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2468 {
2469         BusProfile bus_profile;
2470
2471         if (nsm || Profile->get_sae()) {
2472
2473                 bus_profile.master_out_channels = 2;
2474                 bus_profile.input_ac = AutoConnectPhysical;
2475                 bus_profile.output_ac = AutoConnectMaster;
2476                 bus_profile.requested_physical_in = 0; // use all available
2477                 bus_profile.requested_physical_out = 0; // use all available
2478
2479         } else {
2480
2481                 /* get settings from advanced section of NSD */
2482
2483                 if (_startup->create_master_bus()) {
2484                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2485                 } else {
2486                         bus_profile.master_out_channels = 0;
2487                 }
2488
2489                 if (_startup->connect_inputs()) {
2490                         bus_profile.input_ac = AutoConnectPhysical;
2491                 } else {
2492                         bus_profile.input_ac = AutoConnectOption (0);
2493                 }
2494
2495                 bus_profile.output_ac = AutoConnectOption (0);
2496
2497                 if (_startup->connect_outputs ()) {
2498                         if (_startup->connect_outs_to_master()) {
2499                                 bus_profile.output_ac = AutoConnectMaster;
2500                         } else if (_startup->connect_outs_to_physical()) {
2501                                 bus_profile.output_ac = AutoConnectPhysical;
2502                         }
2503                 }
2504
2505                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2506                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2507         }
2508
2509         if (build_session (session_path, session_name, bus_profile)) {
2510                 return -1;
2511         }
2512
2513         return 0;
2514 }
2515
2516 void
2517 ARDOUR_UI::idle_load (const std::string& path)
2518 {
2519         if (_session) {
2520                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2521                         /* /path/to/foo => /path/to/foo, foo */
2522                         load_session (path, basename_nosuffix (path));
2523                 } else {
2524                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2525                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2526                 }
2527
2528         } else {
2529                 ARDOUR_COMMAND_LINE::session_name = path;
2530         }
2531 }
2532
2533 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2534 int
2535 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2536 {
2537         string session_name;
2538         string session_path;
2539         string template_name;
2540         int ret = -1;
2541         bool likely_new = false;
2542
2543         /* deal with any existing DIRTY session now, rather than later. don't
2544          * treat a non-dirty session this way, so that it stays visible 
2545          * as we bring up the new session dialog.
2546          */
2547
2548         if (_session && ARDOUR_UI::instance()->video_timeline) {
2549                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2550         }
2551
2552         if (_session && _session->dirty()) {
2553                 if (unload_session (false)) {
2554                         /* unload cancelled by user */
2555                         return 0;
2556                 }
2557                 ARDOUR_COMMAND_LINE::session_name = "";
2558         }
2559
2560         if (!load_template.empty()) {
2561                 should_be_new = true;
2562                 template_name = load_template;
2563         }
2564
2565         while (ret != 0) {
2566
2567                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2568
2569                         /* if they named a specific statefile, use it, otherwise they are
2570                            just giving a session folder, and we want to use it as is
2571                            to find the session.
2572                         */
2573
2574                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2575
2576                         if (suffix != string::npos) {
2577                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2578                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2579                                 session_name = Glib::path_get_basename (session_name);
2580                         } else {
2581                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2582                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2583                         }
2584                 } else {
2585                         session_path = "";
2586                         session_name = "";
2587                 }
2588
2589                 delete _startup;
2590                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2591                 
2592                 if (!_startup->ready_without_display()) {
2593                         _startup->present ();
2594                         main().run();
2595                         _startup->hide ();
2596                 }
2597                 
2598                 switch (_startup->response()) {
2599                 case RESPONSE_OK:
2600                         break;
2601                 default:
2602                         if (quit_on_cancel) {
2603                                 exit (1);
2604                         } else {
2605                                 return ret;
2606                         }
2607                 }
2608
2609                 /* if we run the startup dialog again, offer more than just "new session" */
2610                 
2611                 should_be_new = false;
2612                 
2613                 session_name = _startup->session_name (likely_new);
2614                 
2615                 if (nsm) {
2616                         likely_new = true;
2617                 }
2618
2619                 string::size_type suffix = session_name.find (statefile_suffix);
2620                 
2621                 if (suffix != string::npos) {
2622                         session_name = session_name.substr (0, suffix);
2623                 }
2624                 
2625                 /* this shouldn't happen, but we catch it just in case it does */
2626                 
2627                 if (session_name.empty()) {
2628                         continue;
2629                 }
2630                 
2631                 if (_startup->use_session_template()) {
2632                         template_name = _startup->session_template_name();
2633                         _session_is_new = true;
2634                 }
2635                 
2636                 if (session_name[0] == G_DIR_SEPARATOR ||
2637                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2638                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2639                         
2640                         /* absolute path or cwd-relative path specified for session name: infer session folder
2641                            from what was given.
2642                         */
2643                         
2644                         session_path = Glib::path_get_dirname (session_name);
2645                         session_name = Glib::path_get_basename (session_name);
2646                         
2647                 } else {
2648
2649                         session_path = _startup->session_folder();
2650                         
2651                         char illegal = Session::session_name_is_legal (session_name);
2652                         
2653                         if (illegal) {
2654                                 MessageDialog msg (*_startup,
2655                                                    string_compose (_("To ensure compatibility with various systems\n"
2656                                                                      "session names may not contain a '%1' character"),
2657                                                                    illegal));
2658                                 msg.run ();
2659                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2660                                 continue;
2661                         }
2662                 }
2663         
2664                 if (create_engine ()) {
2665                         break;
2666                 }
2667
2668                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2669
2670                         if (likely_new && !nsm) {
2671
2672                                 std::string existing = Glib::build_filename (session_path, session_name);
2673
2674                                 if (!ask_about_loading_existing_session (existing)) {
2675                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2676                                         continue;
2677                                 }
2678                         }
2679
2680                         _session_is_new = false;
2681
2682                 } else {
2683
2684                         if (!likely_new) {
2685                                 if (_startup) {
2686                                         pop_back_splash (*_startup);
2687                                 } else {
2688                                         hide_splash ();
2689                                 }
2690
2691                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2692                                 msg.run ();
2693                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2694                                 continue;
2695                         }
2696
2697                         char illegal = Session::session_name_is_legal(session_name);
2698                         if (illegal) {
2699                                 pop_back_splash (*_startup);
2700                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2701                                                      "session names may not contain a '%1' character"), illegal));
2702                                 msg.run ();
2703                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2704                                 continue;
2705                         }
2706
2707                         _session_is_new = true;
2708                 }
2709
2710                 if (likely_new && template_name.empty()) {
2711
2712                         ret = build_session_from_nsd (session_path, session_name);
2713
2714                 } else {
2715
2716                         ret = load_session (session_path, session_name, template_name);
2717
2718                         if (ret == -2) {
2719                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2720                                 exit (1);
2721                         }
2722
2723                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2724                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2725                                 exit (1);
2726                         }
2727                 }
2728         }
2729
2730         return ret;
2731 }
2732
2733 void
2734 ARDOUR_UI::close_session()
2735 {
2736         if (!check_audioengine()) {
2737                 return;
2738         }
2739
2740         if (unload_session (true)) {
2741                 return;
2742         }
2743
2744         ARDOUR_COMMAND_LINE::session_name = "";
2745
2746         if (get_session_parameters (true, false)) {
2747                 exit (1);
2748         }
2749
2750         goto_editor_window ();
2751 }
2752
2753 /** @param snap_name Snapshot name (without .ardour suffix).
2754  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2755  */
2756 int
2757 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2758 {
2759         Session *new_session;
2760         int unload_status;
2761         int retval = -1;
2762
2763         session_loaded = false;
2764
2765         if (!check_audioengine()) {
2766                 return -2;
2767         }
2768
2769         unload_status = unload_session ();
2770
2771         if (unload_status < 0) {
2772                 goto out;
2773         } else if (unload_status > 0) {
2774                 retval = 0;
2775                 goto out;
2776         }
2777
2778         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2779
2780         try {
2781                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2782         }
2783
2784         /* this one is special */
2785
2786         catch (AudioEngine::PortRegistrationFailure& err) {
2787
2788                 MessageDialog msg (err.what(),
2789                                    true,
2790                                    Gtk::MESSAGE_INFO,
2791                                    Gtk::BUTTONS_CLOSE);
2792
2793                 msg.set_title (_("Port Registration Error"));
2794                 msg.set_secondary_text (_("Click the Close button to try again."));
2795                 msg.set_position (Gtk::WIN_POS_CENTER);
2796                 pop_back_splash (msg);
2797                 msg.present ();
2798
2799                 int response = msg.run ();
2800
2801                 msg.hide ();
2802
2803                 switch (response) {
2804                 case RESPONSE_CANCEL:
2805                         exit (1);
2806                 default:
2807                         break;
2808                 }
2809                 goto out;
2810         }
2811
2812         catch (...) {
2813
2814                 MessageDialog msg (string_compose(
2815                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2816                                            path, snap_name),
2817                                    true,
2818                                    Gtk::MESSAGE_INFO,
2819                                    BUTTONS_OK);
2820
2821                 msg.set_title (_("Loading Error"));
2822                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2823                 msg.add_button (Stock::REFRESH, 1);
2824                 msg.set_position (Gtk::WIN_POS_CENTER);
2825                 pop_back_splash (msg);
2826                 msg.present ();
2827
2828                 int response = msg.run ();
2829
2830                 switch (response) {
2831                 case 1:
2832                         break;
2833                 default:
2834                         exit (1);
2835                 }
2836
2837                 msg.hide ();
2838
2839                 goto out;
2840         }
2841
2842         {
2843                 list<string> const u = new_session->unknown_processors ();
2844                 if (!u.empty()) {
2845                         MissingPluginDialog d (_session, u);
2846                         d.run ();
2847                 }
2848         }
2849
2850         /* Now the session been created, add the transport controls */
2851         new_session->add_controllable(roll_controllable);
2852         new_session->add_controllable(stop_controllable);
2853         new_session->add_controllable(goto_start_controllable);
2854         new_session->add_controllable(goto_end_controllable);
2855         new_session->add_controllable(auto_loop_controllable);
2856         new_session->add_controllable(play_selection_controllable);
2857         new_session->add_controllable(rec_controllable);
2858
2859         set_session (new_session);
2860
2861         session_loaded = true;
2862
2863         goto_editor_window ();
2864
2865         if (_session) {
2866                 _session->set_clean ();
2867         }
2868
2869         flush_pending ();
2870         retval = 0;
2871
2872   out:
2873         return retval;
2874 }
2875
2876 int
2877 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2878 {
2879         Session *new_session;
2880         int x;
2881
2882         if (!check_audioengine()) {
2883                 return -1;
2884         }
2885
2886         session_loaded = false;
2887
2888         x = unload_session ();
2889
2890         if (x < 0) {
2891                 return -1;
2892         } else if (x > 0) {
2893                 return 0;
2894         }
2895
2896         _session_is_new = true;
2897
2898         try {
2899                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2900         }
2901
2902         catch (...) {
2903
2904                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2905                 pop_back_splash (msg);
2906                 msg.run ();
2907                 return -1;
2908         }
2909
2910         /* Give the new session the default GUI state, if such things exist */
2911
2912         XMLNode* n;
2913         n = Config->instant_xml (X_("Editor"));
2914         if (n) {
2915                 new_session->add_instant_xml (*n, false);
2916         }
2917         n = Config->instant_xml (X_("Mixer"));
2918         if (n) {
2919                 new_session->add_instant_xml (*n, false);
2920         }
2921
2922         /* Put the playhead at 0 and scroll fully left */
2923         n = new_session->instant_xml (X_("Editor"));
2924         if (n) {
2925                 n->add_property (X_("playhead"), X_("0"));
2926                 n->add_property (X_("left-frame"), X_("0"));
2927         }
2928
2929         set_session (new_session);
2930
2931         session_loaded = true;
2932
2933         new_session->save_state(new_session->name());
2934
2935         return 0;
2936 }
2937
2938 void
2939 ARDOUR_UI::launch_chat ()
2940 {
2941 #ifdef __APPLE__
2942         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2943 #else
2944         open_uri("http://webchat.freenode.net/?channels=ardour");
2945 #endif
2946 }
2947
2948 void
2949 ARDOUR_UI::show_about ()
2950 {
2951         if (about == 0) {
2952                 about = new About;
2953                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2954         }
2955
2956         about->set_transient_for(*editor);
2957         about->show_all ();
2958 }
2959
2960 void
2961 ARDOUR_UI::launch_manual ()
2962 {
2963         PBD::open_uri (Config->get_tutorial_manual_url());
2964 }
2965
2966 void
2967 ARDOUR_UI::launch_reference ()
2968 {
2969         PBD::open_uri (Config->get_reference_manual_url());
2970 }
2971
2972 void
2973 ARDOUR_UI::hide_about ()
2974 {
2975         if (about) {
2976                 about->get_window()->set_cursor ();
2977                 about->hide ();
2978         }
2979 }
2980
2981 void
2982 ARDOUR_UI::about_signal_response (int /*response*/)
2983 {
2984         hide_about();
2985 }
2986
2987 void
2988 ARDOUR_UI::loading_message (const std::string& msg)
2989 {
2990         if (ARDOUR_COMMAND_LINE::no_splash) {
2991                 return;
2992         }
2993
2994         if (!splash) {
2995                 show_splash ();
2996         }
2997
2998         splash->message (msg);
2999 }
3000
3001 void
3002 ARDOUR_UI::show_splash ()
3003 {
3004         if (splash == 0) {
3005                 try {
3006                         splash = new Splash;
3007                 } catch (...) {
3008                         return;
3009                 }
3010         }
3011
3012         splash->display ();
3013 }
3014
3015 void
3016 ARDOUR_UI::hide_splash ()
3017 {
3018         delete splash;
3019         splash = 0;
3020 }
3021
3022 void
3023 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3024 {
3025         size_t removed;
3026
3027         removed = rep.paths.size();
3028
3029         if (removed == 0) {
3030                 MessageDialog msgd (*editor,
3031                                     _("No files were ready for clean-up"),
3032                                     true,
3033                                     Gtk::MESSAGE_INFO,
3034                                     Gtk::BUTTONS_OK);
3035                 msgd.set_title (_("Clean-up"));
3036                 msgd.set_secondary_text (_("If this seems suprising, \n\
3037 check for any existing snapshots.\n\
3038 These may still include regions that\n\
3039 require some unused files to continue to exist."));
3040
3041                 msgd.run ();
3042                 return;
3043         }
3044
3045         ArdourDialog results (_("Clean-up"), true, false);
3046
3047         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3048             CleanupResultsModelColumns() {
3049                     add (visible_name);
3050                     add (fullpath);
3051             }
3052             Gtk::TreeModelColumn<std::string> visible_name;
3053             Gtk::TreeModelColumn<std::string> fullpath;
3054         };
3055
3056
3057         CleanupResultsModelColumns results_columns;
3058         Glib::RefPtr<Gtk::ListStore> results_model;
3059         Gtk::TreeView results_display;
3060
3061         results_model = ListStore::create (results_columns);
3062         results_display.set_model (results_model);
3063         results_display.append_column (list_title, results_columns.visible_name);
3064
3065         results_display.set_name ("CleanupResultsList");
3066         results_display.set_headers_visible (true);
3067         results_display.set_headers_clickable (false);
3068         results_display.set_reorderable (false);
3069
3070         Gtk::ScrolledWindow list_scroller;
3071         Gtk::Label txt;
3072         Gtk::VBox dvbox;
3073         Gtk::HBox dhbox;  // the hbox for the image and text
3074         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3075         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3076
3077         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3078
3079         const string dead_directory = _session->session_directory().dead_path();
3080
3081         /* subst:
3082            %1 - number of files removed
3083            %2 - location of "dead"
3084            %3 - size of files affected
3085            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3086         */
3087
3088         const char* bprefix;
3089         double space_adjusted = 0;
3090
3091         if (rep.space < 1000) {
3092                 bprefix = X_("");
3093                 space_adjusted = rep.space;
3094         } else if (rep.space < 1000000) {
3095                 bprefix = _("kilo");
3096                 space_adjusted = truncf((float)rep.space / 1000.0);
3097         } else if (rep.space < 1000000 * 1000) {
3098                 bprefix = _("mega");
3099                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3100         } else {
3101                 bprefix = _("giga");
3102                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3103         }
3104
3105         if (msg_delete) {
3106                 txt.set_markup (string_compose (P_("\
3107 The following file was deleted from %2,\n\
3108 releasing %3 %4bytes of disk space", "\
3109 The following %1 files were deleted from %2,\n\
3110 releasing %3 %4bytes of disk space", removed),
3111                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3112         } else {
3113                 txt.set_markup (string_compose (P_("\
3114 The following file was not in use and \n\
3115 has been moved to: %2\n\n\
3116 After a restart of %5\n\n\
3117 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3118 will release an additional %3 %4bytes of disk space.\n", "\
3119 The following %1 files were not in use and \n\
3120 have been moved to: %2\n\n\
3121 After a restart of %5\n\n\
3122 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3123 will release an additional %3 %4bytes of disk space.\n", removed),
3124                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3125         }
3126
3127         dhbox.pack_start (*dimage, true, false, 5);
3128         dhbox.pack_start (txt, true, false, 5);
3129
3130         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3131                 TreeModel::Row row = *(results_model->append());
3132                 row[results_columns.visible_name] = *i;
3133                 row[results_columns.fullpath] = *i;
3134         }
3135
3136         list_scroller.add (results_display);
3137         list_scroller.set_size_request (-1, 150);
3138         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3139
3140         dvbox.pack_start (dhbox, true, false, 5);
3141         dvbox.pack_start (list_scroller, true, false, 5);
3142         ddhbox.pack_start (dvbox, true, false, 5);
3143
3144         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3145         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3146         results.set_default_response (RESPONSE_CLOSE);
3147         results.set_position (Gtk::WIN_POS_MOUSE);
3148
3149         results_display.show();
3150         list_scroller.show();
3151         txt.show();
3152         dvbox.show();
3153         dhbox.show();
3154         ddhbox.show();
3155         dimage->show();
3156
3157         //results.get_vbox()->show();
3158         results.set_resizable (false);
3159
3160         results.run ();
3161
3162 }
3163
3164 void
3165 ARDOUR_UI::cleanup ()
3166 {
3167         if (_session == 0) {
3168                 /* shouldn't happen: menu item is insensitive */
3169                 return;
3170         }
3171
3172
3173         MessageDialog checker (_("Are you sure you want to clean-up?"),
3174                                 true,
3175                                 Gtk::MESSAGE_QUESTION,
3176                                 Gtk::BUTTONS_NONE);
3177
3178         checker.set_title (_("Clean-up"));
3179
3180         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3181 ALL undo/redo information will be lost if you clean-up.\n\
3182 Clean-up will move all unused files to a \"dead\" location."));
3183
3184         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3185         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3186         checker.set_default_response (RESPONSE_CANCEL);
3187
3188         checker.set_name (_("CleanupDialog"));
3189         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3190         checker.set_position (Gtk::WIN_POS_MOUSE);
3191
3192         switch (checker.run()) {
3193         case RESPONSE_ACCEPT:
3194                 break;
3195         default:
3196                 return;
3197         }
3198
3199         ARDOUR::CleanupReport rep;
3200
3201         editor->prepare_for_cleanup ();
3202
3203         /* do not allow flush until a session is reloaded */
3204
3205         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3206         if (act) {
3207                 act->set_sensitive (false);
3208         }
3209
3210         if (_session->cleanup_sources (rep)) {
3211                 editor->finish_cleanup ();
3212                 return;
3213         }
3214
3215         editor->finish_cleanup ();
3216
3217         checker.hide();
3218         display_cleanup_results (rep, _("Cleaned Files"), false);
3219 }
3220
3221 void
3222 ARDOUR_UI::flush_trash ()
3223 {
3224         if (_session == 0) {
3225                 /* shouldn't happen: menu item is insensitive */
3226                 return;
3227         }
3228
3229         ARDOUR::CleanupReport rep;
3230
3231         if (_session->cleanup_trash_sources (rep)) {
3232                 return;
3233         }
3234
3235         display_cleanup_results (rep, _("deleted file"), true);
3236 }
3237
3238 void
3239 ARDOUR_UI::add_route (Gtk::Window* float_window)
3240 {
3241         int count;
3242
3243         if (!_session) {
3244                 return;
3245         }
3246
3247         if (add_route_dialog == 0) {
3248                 add_route_dialog = new AddRouteDialog (_session);
3249                 add_route_dialog->set_position (WIN_POS_MOUSE);
3250                 if (float_window) {
3251                         add_route_dialog->set_transient_for (*float_window);
3252                 }
3253         }
3254
3255         if (add_route_dialog->is_visible()) {
3256                 /* we're already doing this */
3257                 return;
3258         }
3259
3260         ResponseType r = (ResponseType) add_route_dialog->run ();
3261
3262         add_route_dialog->hide();
3263
3264         switch (r) {
3265                 case RESPONSE_ACCEPT:
3266                         break;
3267                 default:
3268                         return;
3269                         break;
3270         }
3271
3272         if ((count = add_route_dialog->count()) <= 0) {
3273                 return;
3274         }
3275
3276         PBD::ScopedConnection idle_connection;
3277
3278         if (count > 8) {
3279                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3280         }
3281
3282         string template_path = add_route_dialog->track_template();
3283
3284         if (!template_path.empty()) {
3285                 if (add_route_dialog->name_template_is_default())  {
3286                         _session->new_route_from_template (count, template_path, string());
3287                 } else {
3288                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3289                 }
3290                 return;
3291         }
3292
3293         ChanCount input_chan= add_route_dialog->channels ();
3294         ChanCount output_chan;
3295         string name_template = add_route_dialog->name_template ();
3296         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3297         RouteGroup* route_group = add_route_dialog->route_group ();
3298         AutoConnectOption oac = Config->get_output_auto_connect();
3299
3300         if (oac & AutoConnectMaster) {
3301                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3302                 output_chan.set (DataType::MIDI, 0);
3303         } else {
3304                 output_chan = input_chan;
3305         }
3306
3307         /* XXX do something with name template */
3308
3309         switch (add_route_dialog->type_wanted()) {
3310         case AddRouteDialog::AudioTrack:
3311                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3312                 break;
3313         case AddRouteDialog::MidiTrack:
3314                 session_add_midi_track (route_group, count, name_template, instrument);
3315                 break;
3316         case AddRouteDialog::MixedTrack:
3317                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3318                 break;
3319         case AddRouteDialog::AudioBus:
3320                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3321                 break;
3322         }
3323
3324         /* idle connection will end at scope end */
3325 }
3326
3327 void
3328 ARDOUR_UI::stop_video_server (bool ask_confirm)
3329 {
3330         if (!video_server_process && ask_confirm) {
3331                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3332         }
3333         if (video_server_process) {
3334                 if(ask_confirm) {
3335                         ArdourDialog confirm (_("Stop Video-Server"), true);
3336                         Label m (_("Do you really want to stop the Video Server?"));
3337                         confirm.get_vbox()->pack_start (m, true, true);
3338                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3339                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3340                         confirm.show_all ();
3341                         if (confirm.run() == RESPONSE_CANCEL) {
3342                                 return;
3343                         }
3344                 }
3345                 delete video_server_process;
3346                 video_server_process =0;
3347         }
3348 }
3349
3350 void
3351 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3352 {
3353   ARDOUR_UI::start_video_server( float_window, true);
3354 }
3355
3356 bool
3357 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3358 {
3359         if (!_session) {
3360                 return false;
3361         }
3362         if (popup_msg) {
3363                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3364                         if (video_server_process) {
3365                                 popup_error(_("The Video Server is already started."));
3366                         } else {
3367                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3368                         }
3369                 }
3370         }
3371
3372         int firsttime = 0;
3373         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3374                 if (firsttime++) {
3375                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3376                 }
3377                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3378                 if (float_window) {
3379                         video_server_dialog->set_transient_for (*float_window);
3380                 }
3381
3382                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3383                         video_server_dialog->hide();
3384                 } else {
3385                         ResponseType r = (ResponseType) video_server_dialog->run ();
3386                         video_server_dialog->hide();
3387                         if (r != RESPONSE_ACCEPT) { return false; }
3388                         if (video_server_dialog->show_again()) {
3389                                 Config->set_show_video_server_dialog(false);
3390                         }
3391                 }
3392
3393                 std::string icsd_exec = video_server_dialog->get_exec_path();
3394                 std::string icsd_docroot = video_server_dialog->get_docroot();
3395                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3396
3397                 struct stat sb;
3398                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3399                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3400                         continue;
3401                 }
3402                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3403                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3404                         warning << _("Given Video Server is not an executable file.") << endmsg;
3405                         continue;
3406                 }
3407
3408                 char **argp;
3409                 argp=(char**) calloc(9,sizeof(char*));
3410                 argp[0] = strdup(icsd_exec.c_str());
3411                 argp[1] = strdup("-P");
3412                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3413                 argp[3] = strdup("-p");
3414                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3415                 argp[5] = strdup("-C");
3416                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3417                 argp[7] = strdup(icsd_docroot.c_str());
3418                 argp[8] = 0;
3419                 stop_video_server();
3420
3421                 if (icsd_docroot == X_("/")) {
3422                         Config->set_video_advanced_setup(false);
3423                 } else {
3424                         std::ostringstream osstream;
3425                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3426                         Config->set_video_server_url(osstream.str());
3427                         Config->set_video_server_docroot(icsd_docroot);
3428                         Config->set_video_advanced_setup(true);
3429                 }
3430
3431                 video_server_process = new SystemExec(icsd_exec, argp);
3432                 video_server_process->start();
3433                 sleep(1);
3434         }
3435         return true;
3436 }
3437
3438 void
3439 ARDOUR_UI::add_video (Gtk::Window* float_window)
3440 {
3441         if (!_session) {
3442                 return;
3443         }
3444
3445         if (!start_video_server(float_window, false)) {
3446                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3447                 return;
3448         }
3449
3450         if (add_video_dialog == 0) {
3451                 add_video_dialog = new AddVideoDialog (_session);
3452                 if (float_window) {
3453                         add_video_dialog->set_transient_for (*float_window);
3454                 }
3455         }
3456
3457         if (add_video_dialog->is_visible()) {
3458                 /* we're already doing this */
3459                 return;
3460         }
3461         ResponseType r = (ResponseType) add_video_dialog->run ();
3462         add_video_dialog->hide();
3463         if (r != RESPONSE_ACCEPT) { return; }
3464
3465         bool local_file;
3466         std::string path = add_video_dialog->file_name(local_file);
3467         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3468
3469         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3470                 warning << string_compose(_("could not open %1"), path) << endmsg;
3471                 return;
3472         }
3473         if (!local_file && path.length() == 0) {
3474                 warning << _("no video-file selected") << endmsg;
3475                 return;
3476         }
3477
3478         switch (add_video_dialog->import_option()) {
3479                 case VTL_IMPORT_TRANSCODE:
3480                         {
3481                                 TranscodeVideoDialog *transcode_video_dialog;
3482                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3483                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3484                                 transcode_video_dialog->hide();
3485                                 if (r != RESPONSE_ACCEPT) {
3486                                         delete transcode_video_dialog;
3487                                         return;
3488                                 }
3489                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3490                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3491                                 }
3492                                 switch (transcode_video_dialog->import_option()) {
3493                                         case VTL_IMPORT_TRANSCODED:
3494                                                 path = transcode_video_dialog->get_filename();
3495                                                 local_file = true;
3496                                                 break;
3497                                         case VTL_IMPORT_REFERENCE:
3498                                                 break;
3499                                         default:
3500                                                 delete transcode_video_dialog;
3501                                                 return;
3502                                 }
3503                                 delete transcode_video_dialog;
3504                         }
3505                         break;
3506                 default:
3507                 case VTL_IMPORT_NONE:
3508                         break;
3509         }
3510
3511         /* strip _session->session_directory().video_path() from video file if possible */
3512         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3513                  path=path.substr(_session->session_directory().video_path().size());
3514                  if (path.at(0) == G_DIR_SEPARATOR) {
3515                          path=path.substr(1);
3516                  }
3517         }
3518
3519         video_timeline->set_update_session_fps(auto_set_session_fps);
3520         if (video_timeline->video_file_info(path, local_file)) {
3521                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3522                 node->add_property (X_("Filename"), path);
3523                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3524                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3525                 _session->add_extra_xml (*node);
3526                 _session->set_dirty ();
3527
3528                 _session->maybe_update_session_range(
3529                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3530                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3531
3532
3533                 if (add_video_dialog->launch_xjadeo() && local_file) {
3534                         editor->set_xjadeo_sensitive(true);
3535                         editor->toggle_xjadeo_proc(1);
3536                 } else {
3537                         editor->toggle_xjadeo_proc(0);
3538                 }
3539                 editor->toggle_ruler_video(true);
3540         }
3541 }
3542
3543 void
3544 ARDOUR_UI::remove_video ()
3545 {
3546         video_timeline->close_session();
3547         editor->toggle_ruler_video(false);
3548
3549         /* delete session state */
3550         XMLNode* node = new XMLNode(X_("Videotimeline"));
3551         _session->add_extra_xml(*node);
3552         node = new XMLNode(X_("Videomonitor"));
3553         _session->add_extra_xml(*node);
3554         stop_video_server();
3555 }
3556
3557 void
3558 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3559 {
3560         if (localcacheonly) {
3561                 video_timeline->vmon_update();
3562         } else {
3563                 video_timeline->flush_cache();
3564         }
3565         editor->queue_visual_videotimeline_update();
3566 }
3567
3568 XMLNode*
3569 ARDOUR_UI::mixer_settings () const
3570 {
3571         XMLNode* node = 0;
3572
3573         if (_session) {
3574                 node = _session->instant_xml(X_("Mixer"));
3575         } else {
3576                 node = Config->instant_xml(X_("Mixer"));
3577         }
3578
3579         if (!node) {
3580                 node = new XMLNode (X_("Mixer"));
3581         }
3582
3583         return node;
3584 }
3585
3586 XMLNode*
3587 ARDOUR_UI::editor_settings () const
3588 {
3589         XMLNode* node = 0;
3590
3591         if (_session) {
3592                 node = _session->instant_xml(X_("Editor"));
3593         } else {
3594                 node = Config->instant_xml(X_("Editor"));
3595         }
3596
3597         if (!node) {
3598                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3599                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3600                 }
3601         }
3602
3603         if (!node) {
3604                 node = new XMLNode (X_("Editor"));
3605         }
3606
3607         return node;
3608 }
3609
3610 XMLNode*
3611 ARDOUR_UI::keyboard_settings () const
3612 {
3613         XMLNode* node = 0;
3614
3615         node = Config->extra_xml(X_("Keyboard"));
3616
3617         if (!node) {
3618                 node = new XMLNode (X_("Keyboard"));
3619         }
3620
3621         return node;
3622 }
3623
3624 void
3625 ARDOUR_UI::create_xrun_marker (framepos_t where)
3626 {
3627         editor->mouse_add_new_marker (where, false, true);
3628 }
3629
3630 void
3631 ARDOUR_UI::halt_on_xrun_message ()
3632 {
3633         MessageDialog msg (*editor,
3634                            _("Recording was stopped because your system could not keep up."));
3635         msg.run ();
3636 }
3637
3638 void
3639 ARDOUR_UI::xrun_handler (framepos_t where)
3640 {
3641         if (!_session) {
3642                 return;
3643         }
3644
3645         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3646
3647         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3648                 create_xrun_marker(where);
3649         }
3650
3651         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3652                 halt_on_xrun_message ();
3653         }
3654 }
3655
3656 void
3657 ARDOUR_UI::disk_overrun_handler ()
3658 {
3659         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3660
3661         if (!have_disk_speed_dialog_displayed) {
3662                 have_disk_speed_dialog_displayed = true;
3663                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3664 The disk system on your computer\n\
3665 was not able to keep up with %1.\n\
3666 \n\
3667 Specifically, it failed to write data to disk\n\
3668 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3669                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3670                 msg->show ();
3671         }
3672 }
3673
3674 void
3675 ARDOUR_UI::disk_underrun_handler ()
3676 {
3677         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3678
3679         if (!have_disk_speed_dialog_displayed) {
3680                 have_disk_speed_dialog_displayed = true;
3681                 MessageDialog* msg = new MessageDialog (
3682                         *editor, string_compose (_("The disk system on your computer\n\
3683 was not able to keep up with %1.\n\
3684 \n\
3685 Specifically, it failed to read data from disk\n\
3686 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3687                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3688                 msg->show ();
3689         }
3690 }
3691
3692 void
3693 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3694 {
3695         have_disk_speed_dialog_displayed = false;
3696         delete msg;
3697 }
3698
3699 void
3700 ARDOUR_UI::session_dialog (std::string msg)
3701 {
3702         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3703
3704         MessageDialog* d;
3705
3706         if (editor) {
3707                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3708         } else {
3709                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3710         }
3711
3712         d->show_all ();
3713         d->run ();
3714         delete d;
3715 }
3716
3717 int
3718 ARDOUR_UI::pending_state_dialog ()
3719 {
3720         HBox* hbox = new HBox();
3721         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3722         ArdourDialog dialog (_("Crash Recovery"), true);
3723         Label  message (string_compose (_("\
3724 This session appears to have been in the\n\
3725 middle of recording when %1 or\n\
3726 the computer was shutdown.\n\
3727 \n\
3728 %1 can recover any captured audio for\n\
3729 you, or it can ignore it. Please decide\n\
3730 what you would like to do.\n"), PROGRAM_NAME));
3731         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3732         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3733         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3734         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3735         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3736         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3737         dialog.set_default_response (RESPONSE_ACCEPT);
3738         dialog.set_position (WIN_POS_CENTER);
3739         message.show();
3740         image->show();
3741         hbox->show();
3742
3743         switch (dialog.run ()) {
3744         case RESPONSE_ACCEPT:
3745                 return 1;
3746         default:
3747                 return 0;
3748         }
3749 }
3750
3751 int
3752 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3753 {
3754         HBox* hbox = new HBox();
3755         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3756         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3757         Label  message (string_compose (_("\
3758 This session was created with a sample rate of %1 Hz, but\n\
3759 %2 is currently running at %3 Hz.  If you load this session,\n\
3760 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3761
3762         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3763         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3764         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3765         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3766         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3767         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3768         dialog.set_default_response (RESPONSE_ACCEPT);
3769         dialog.set_position (WIN_POS_CENTER);
3770         message.show();
3771         image->show();
3772         hbox->show();
3773
3774         switch (dialog.run ()) {
3775         case RESPONSE_ACCEPT:
3776                 return 0;
3777         default:
3778                 return 1;
3779         }
3780 }
3781
3782
3783 void
3784 ARDOUR_UI::disconnect_from_jack ()
3785 {
3786         if (engine) {
3787                 if (engine->disconnect_from_jack ()) {
3788                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3789                         msg.run ();
3790                 }
3791
3792                 update_sample_rate (0);
3793         }
3794 }
3795
3796 void
3797 ARDOUR_UI::reconnect_to_jack ()
3798 {
3799         if (engine) {
3800                 if (engine->reconnect_to_jack ()) {
3801                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3802                         msg.run ();
3803                 }
3804
3805                 update_sample_rate (0);
3806         }
3807 }
3808
3809 void
3810 ARDOUR_UI::use_config ()
3811 {
3812         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3813         if (node) {
3814                 set_transport_controllable_state (*node);
3815         }
3816 }
3817
3818 void
3819 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3820 {
3821         if (Config->get_primary_clock_delta_edit_cursor()) {
3822                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3823         } else {
3824                 primary_clock->set (pos);
3825         }
3826
3827         if (Config->get_secondary_clock_delta_edit_cursor()) {
3828                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3829         } else {
3830                 secondary_clock->set (pos);
3831         }
3832
3833         if (big_clock_window->get()) {
3834                 big_clock->set (pos);
3835         }
3836         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3837 }
3838
3839
3840 void
3841 ARDOUR_UI::step_edit_status_change (bool yn)
3842 {
3843         // XXX should really store pre-step edit status of things
3844         // we make insensitive
3845
3846         if (yn) {
3847                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3848                 rec_button.set_sensitive (false);
3849         } else {
3850                 rec_button.unset_active_state ();;
3851                 rec_button.set_sensitive (true);
3852         }
3853 }
3854
3855 void
3856 ARDOUR_UI::record_state_changed ()
3857 {
3858         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3859
3860         if (!_session || !big_clock_window->get()) {
3861                 /* why bother - the clock isn't visible */
3862                 return;
3863         }
3864
3865         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3866                 big_clock->set_active (true);
3867         } else {
3868                 big_clock->set_active (false);
3869         }
3870 }
3871
3872 bool
3873 ARDOUR_UI::first_idle ()
3874 {
3875         if (_session) {
3876                 _session->allow_auto_play (true);
3877         }
3878
3879         if (editor) {
3880                 editor->first_idle();
3881         }
3882
3883         Keyboard::set_can_save_keybindings (true);
3884         return false;
3885 }
3886
3887 void
3888 ARDOUR_UI::store_clock_modes ()
3889 {
3890         XMLNode* node = new XMLNode(X_("ClockModes"));
3891
3892         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3893                 XMLNode* child = new XMLNode (X_("Clock"));
3894                 
3895                 child->add_property (X_("name"), (*x)->name());
3896                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3897                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3898
3899                 node->add_child_nocopy (*child);
3900         }
3901
3902         _session->add_extra_xml (*node);
3903         _session->set_dirty ();
3904 }
3905
3906 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3907         : Controllable (name), ui (u), type(tp)
3908 {
3909
3910 }
3911
3912 void
3913 ARDOUR_UI::TransportControllable::set_value (double val)
3914 {
3915         if (val < 0.5) {
3916                 /* do nothing: these are radio-style actions */
3917                 return;
3918         }
3919
3920         const char *action = 0;
3921
3922         switch (type) {
3923         case Roll:
3924                 action = X_("Roll");
3925                 break;
3926         case Stop:
3927                 action = X_("Stop");
3928                 break;
3929         case GotoStart:
3930                 action = X_("GotoStart");
3931                 break;
3932         case GotoEnd:
3933                 action = X_("GotoEnd");
3934                 break;
3935         case AutoLoop:
3936                 action = X_("Loop");
3937                 break;
3938         case PlaySelection:
3939                 action = X_("PlaySelection");
3940                 break;
3941         case RecordEnable:
3942                 action = X_("Record");
3943                 break;
3944         default:
3945                 break;
3946         }
3947
3948         if (action == 0) {
3949                 return;
3950         }
3951
3952         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3953
3954         if (act) {
3955                 act->activate ();
3956         }
3957 }
3958
3959 double
3960 ARDOUR_UI::TransportControllable::get_value (void) const
3961 {
3962         float val = 0.0;
3963
3964         switch (type) {
3965         case Roll:
3966                 break;
3967         case Stop:
3968                 break;
3969         case GotoStart:
3970                 break;
3971         case GotoEnd:
3972                 break;
3973         case AutoLoop:
3974                 break;
3975         case PlaySelection:
3976                 break;
3977         case RecordEnable:
3978                 break;
3979         default:
3980                 break;
3981         }
3982
3983         return val;
3984 }
3985
3986 void
3987 ARDOUR_UI::setup_profile ()
3988 {
3989         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3990                 Profile->set_small_screen ();
3991         }
3992
3993         if (getenv ("ARDOUR_SAE")) {
3994                 Profile->set_sae ();
3995                 Profile->set_single_package ();
3996         }
3997 }
3998
3999 /** Add a window proxy to our list, so that its state will be saved.
4000  *  This call also causes the window to be created and opened if its
4001  *  state was saved as `visible'.
4002  */
4003 void
4004 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4005 {
4006         _window_proxies.push_back (p);
4007         p->maybe_show ();
4008 }
4009
4010 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4011  *  is deleted, to prevent hanging pointers.
4012  */
4013 void
4014 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4015 {
4016         _window_proxies.remove (p);
4017 }
4018
4019 int
4020 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4021 {
4022         MissingFileDialog dialog (s, str, type);
4023
4024         dialog.show ();
4025         dialog.present ();
4026
4027         int result = dialog.run ();
4028         dialog.hide ();
4029
4030         switch (result) {
4031         case RESPONSE_OK:
4032                 break;
4033         default:
4034                 return 1; // quit entire session load
4035         }
4036
4037         result = dialog.get_action ();
4038
4039         return result;
4040 }
4041
4042 int
4043 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4044 {
4045         AmbiguousFileDialog dialog (file, hits);
4046
4047         dialog.show ();
4048         dialog.present ();
4049
4050         dialog.run ();
4051         return dialog.get_which ();
4052 }
4053
4054 /** Allocate our thread-local buffers */
4055 void
4056 ARDOUR_UI::get_process_buffers ()
4057 {
4058         _process_thread->get_buffers ();
4059 }
4060
4061 /** Drop our thread-local buffers */
4062 void
4063 ARDOUR_UI::drop_process_buffers ()
4064 {
4065         _process_thread->drop_buffers ();
4066 }
4067
4068 void
4069 ARDOUR_UI::feedback_detected ()
4070 {
4071         _feedback_exists = true;
4072 }
4073
4074 void
4075 ARDOUR_UI::successful_graph_sort ()
4076 {
4077         _feedback_exists = false;
4078 }
4079
4080 void
4081 ARDOUR_UI::midi_panic ()
4082 {
4083         if (_session) {
4084                 _session->midi_panic();
4085         }
4086 }
4087
4088 void
4089 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4090 {
4091         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4092         const char* end_big = "</span>";
4093         const char* start_mono = "<tt>";
4094         const char* end_mono = "</tt>";
4095
4096         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4097                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4098                                              "From now on, use the -2000 version with older versions of %3"),
4099                                            xml_path, backup_path, PROGRAM_NAME,
4100                                            start_big, end_big,
4101                                            start_mono, end_mono), true);
4102
4103         msg.run ();
4104 }