gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <stdint.h>
  25
  26 #include <algorithm>
  27 #include <cmath>
  28 #include <fcntl.h>
  29 #include <signal.h>
  30 #include <unistd.h>
  31 #include <time.h>
  32 #include <cerrno>
  33 #include <fstream>
  34
  35 #include <iostream>
  36
  37 #include <sys/resource.h>
  38 #include <sys/types.h>
  39 #include <sys/sysctl.h>
  40
  41 #include <gtkmm/messagedialog.h>
  42 #include <gtkmm/accelmap.h>
  43
  44 #include "pbd/error.h"
  45 #include "pbd/basename.h"
  46 #include "pbd/compose.h"
  47 #include "pbd/failed_constructor.h"
  48 #include "pbd/enumwriter.h"
  49 #include "pbd/memento_command.h"
  50 #include "pbd/openuri.h"
  51 #include "pbd/file_utils.h"
  52
  53 #include "gtkmm2ext/application.h"
  54 #include "gtkmm2ext/bindings.h"
  55 #include "gtkmm2ext/gtk_ui.h"
  56 #include "gtkmm2ext/utils.h"
  57 #include "gtkmm2ext/click_box.h"
  58 #include "gtkmm2ext/fastmeter.h"
  59 #include "gtkmm2ext/popup.h"
  60 #include "gtkmm2ext/window_title.h"
  61
  62 #include "midi++/manager.h"
  63
  64 #include "ardour/ardour.h"
  65 #include "ardour/audioengine.h"
  66 #include "ardour/audiofilesource.h"
  67 #include "ardour/automation_watch.h"
  68 #include "ardour/diskstream.h"
  69 #include "ardour/filename_extensions.h"
  70 #include "ardour/filesystem_paths.h"
  71 #include "ardour/port.h"
  72 #include "ardour/process_thread.h"
  73 #include "ardour/profile.h"
  74 #include "ardour/recent_sessions.h"
  75 #include "ardour/session_directory.h"
  76 #include "ardour/session_route.h"
  77 #include "ardour/session_state_utils.h"
  78 #include "ardour/session_utils.h"
  79 #include "ardour/slave.h"
  80
  81 #include "timecode/time.h"
  82
  83 typedef uint64_t microseconds_t;
  84
  85 #include "about.h"
  86 #include "actions.h"
  87 #include "add_route_dialog.h"
  88 #include "ambiguous_file_dialog.h"
  89 #include "ardour_ui.h"
  90 #include "audio_clock.h"
  91 #include "bundle_manager.h"
  92 #include "engine_dialog.h"
  93 #include "gain_meter.h"
  94 #include "global_port_matrix.h"
  95 #include "gui_object.h"
  96 #include "gui_thread.h"
  97 #include "keyboard.h"
  98 #include "location_ui.h"
  99 #include "main_clock.h"
 100 #include "missing_file_dialog.h"
 101 #include "missing_plugin_dialog.h"
 102 #include "mixer_ui.h"
 103 #include "mouse_cursors.h"
 104 #include "opts.h"
 105 #include "pingback.h"
 106 #include "processor_box.h"
 107 #include "prompter.h"
 108 #include "public_editor.h"
 109 #include "route_time_axis.h"
 110 #include "session_metadata_dialog.h"
 111 #include "shuttle_control.h"
 112 #include "speaker_dialog.h"
 113 #include "splash.h"
 114 #include "startup.h"
 115 #include "theme_manager.h"
 116 #include "time_axis_view_item.h"
 117 #include "utils.h"
 118 #include "window_proxy.h"
 119 #ifdef WITH_VIDEOTIMELINE
 120 #include "video_server_dialog.h"
 121 #include "add_video_dialog.h"
 122 #include "transcode_video_dialog.h"
 123 #include "system_exec.h" /* to launch video-server */
 124 #endif
 125
 126 #include "i18n.h"
 127
 128 using namespace ARDOUR;
 129 using namespace PBD;
 130 using namespace Gtkmm2ext;
 131 using namespace Gtk;
 132 using namespace std;
 133
 134 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 135 UIConfiguration *ARDOUR_UI::ui_config = 0;
 136
 137 sigc::signal<void,bool> ARDOUR_UI::Blink;
 138 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 139 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 140 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 141
 142 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 143
 144         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 145
 146         , gui_object_state (new GUIObjectState)
 147         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 148         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 149
 150           /* big clock */
 151
 152         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 153
 154           /* transport */
 155
 156         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 157         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 158         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 159         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 160         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 161         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 162         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 163
 164         , auto_return_button (ArdourButton::led_default_elements)
 165         , follow_edits_button (ArdourButton::led_default_elements)
 166         , auto_input_button (ArdourButton::led_default_elements)
 167
 168         , auditioning_alert_button (_("audition"))
 169         , solo_alert_button (_("solo"))
 170         , feedback_alert_button (_("feedback"))
 171
 172         , error_log_button (_("Errors"))
 173
 174         , _status_bar_visibility (X_("status-bar"))
 175         , _feedback_exists (false)
 176
 177 {
 178         Gtkmm2ext::init(localedir);
 179
 180         about = 0;
 181         splash = 0;
 182         _startup = 0;
 183
 184         if (theArdourUI == 0) {
 185                 theArdourUI = this;
 186         }
 187
 188         ui_config = new UIConfiguration();
 189         theme_manager = new ThemeManager();
 190
 191         key_editor = 0;
 192
 193         editor = 0;
 194         mixer = 0;
 195         editor = 0;
 196         engine = 0;
 197         _session_is_new = false;
 198         big_clock_window = 0;
 199         big_clock_height = 0;
 200         big_clock_resize_in_progress = false;
 201         session_selector_window = 0;
 202         last_key_press_time = 0;
 203         add_route_dialog = 0;
 204 #ifdef WITH_VIDEOTIMELINE
 205         add_video_dialog = 0;
 206         video_server_process = 0;
 207 #endif
 208         route_params = 0;
 209         bundle_manager = 0;
 210         rc_option_editor = 0;
 211         session_option_editor = 0;
 212         location_ui = 0;
 213         open_session_selector = 0;
 214         have_configure_timeout = false;
 215         have_disk_speed_dialog_displayed = false;
 216         session_loaded = false;
 217         ignore_dual_punch = false;
 218         original_big_clock_width = -1;
 219         original_big_clock_height = -1;
 220         original_big_clock_font_size = 0;
 221
 222         roll_button.set_controllable (roll_controllable);
 223         stop_button.set_controllable (stop_controllable);
 224         goto_start_button.set_controllable (goto_start_controllable);
 225         goto_end_button.set_controllable (goto_end_controllable);
 226         auto_loop_button.set_controllable (auto_loop_controllable);
 227         play_selection_button.set_controllable (play_selection_controllable);
 228         rec_button.set_controllable (rec_controllable);
 229
 230         roll_button.set_name ("transport button");
 231         stop_button.set_name ("transport button");
 232         goto_start_button.set_name ("transport button");
 233         goto_end_button.set_name ("transport button");
 234         auto_loop_button.set_name ("transport button");
 235         play_selection_button.set_name ("transport button");
 236         rec_button.set_name ("transport recenable button");
 237         midi_panic_button.set_name ("transport button");
 238
 239         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 240         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 241         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 242
 243         last_configure_time= 0;
 244         last_peak_grab = 0;
 245
 246         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 247         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 248
 249         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 250
 251         /* handle dialog requests */
 252
 253         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 254
 255         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 256
 257         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 258
 259         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 260
 261         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 262
 263         /* handle requests to quit (coming from JACK session) */
 264
 265         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 266
 267         /* tell the user about feedback */
 268
 269         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 270         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 271
 272         /* handle requests to deal with missing files */
 273
 274         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 275
 276         /* and ambiguous files */
 277
 278         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 279
 280         /* lets get this party started */
 281
 282         try {
 283                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 284                         throw failed_constructor ();
 285                 }
 286
 287                 setup_gtk_ardour_enums ();
 288                 setup_profile ();
 289
 290                 SessionEvent::create_per_thread_pool ("GUI", 512);
 291
 292         } catch (failed_constructor& err) {
 293                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 294                 // pass it on up
 295                 throw;
 296         }
 297
 298         /* we like keyboards */
 299
 300         keyboard = new ArdourKeyboard(*this);
 301
 302         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 303         if (node) {
 304                 keyboard->set_state (*node, Stateful::loading_state_version);
 305         }
 306
 307         /* we don't like certain modifiers */
 308         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 309
 310         reset_dpi();
 311
 312         TimeAxisViewItem::set_constant_heights ();
 313
 314         /* The following must happen after ARDOUR::init() so that Config is set up */
 315
 316         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
 317         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
 318         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
 319
 320         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 321                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
 322                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
 323                         Config->extra_xml (X_("UI")),
 324                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
 325                         );
 326         }
 327
 328         setup_clock ();
 329
 330         SpeakerDialog* s = new SpeakerDialog ();
 331         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
 332         speaker_config_window->set (s);
 333
 334         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 335         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 336
 337         _process_thread = new ProcessThread ();
 338         _process_thread->init ();
 339
 340         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 341 }
 342
 343
 344 int
 345 ARDOUR_UI::create_engine ()
 346 {
 347         // this gets called every time by new_session()
 348
 349         if (engine) {
 350                 return 0;
 351         }
 352
 353         loading_message (_("Starting audio engine"));
 354
 355         try {
 356                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 357
 358         } catch (...) {
 359
 360                 return -1;
 361         }
 362
 363         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 364         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 365         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 366
 367         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 368
 369         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 370
 371         post_engine ();
 372
 373         return 0;
 374 }
 375
 376 void
 377 ARDOUR_UI::post_engine ()
 378 {
 379         /* Things to be done once we create the AudioEngine
 380          */
 381
 382         ARDOUR::init_post_engine ();
 383
 384         /* load up the UI manager */
 385
 386         ActionManager::init ();
 387
 388         _tooltips.enable();
 389
 390         if (setup_windows ()) {
 391                 throw failed_constructor ();
 392         }
 393
 394         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 395         XMLNode* n = Config->extra_xml (X_("UI"));
 396         if (n) {
 397                 _status_bar_visibility.set_state (*n);
 398         }
 399
 400         check_memory_locking();
 401
 402         /* this is the first point at which all the keybindings are available */
 403
 404         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 405                 vector<string> names;
 406                 vector<string> paths;
 407                 vector<string> tooltips;
 408                 vector<string> keys;
 409                 vector<AccelKey> bindings;
 410
 411                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 412
 413                 vector<string>::iterator n;
 414                 vector<string>::iterator k;
 415                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 416                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 417                 }
 418
 419                 exit (0);
 420         }
 421
 422         blink_timeout_tag = -1;
 423
 424         /* this being a GUI and all, we want peakfiles */
 425
 426         AudioFileSource::set_build_peakfiles (true);
 427         AudioFileSource::set_build_missing_peakfiles (true);
 428
 429         /* set default clock modes */
 430
 431         if (Profile->get_sae()) {
 432                 primary_clock->set_mode (AudioClock::BBT);
 433                 secondary_clock->set_mode (AudioClock::MinSec);
 434         }  else {
 435                 primary_clock->set_mode (AudioClock::Timecode);
 436                 secondary_clock->set_mode (AudioClock::BBT);
 437         }
 438
 439         /* start the time-of-day-clock */
 440
 441 #ifndef GTKOSX
 442         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 443         update_wall_clock ();
 444         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 445 #endif
 446
 447         update_disk_space ();
 448         update_cpu_load ();
 449         update_sample_rate (engine->frame_rate());
 450         update_timecode_format ();
 451
 452         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 453         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 454         Config->map_parameters (pc);
 455
 456         /* now start and maybe save state */
 457
 458         if (do_engine_start () == 0) {
 459                 if (_session && _session_is_new) {
 460                         /* we need to retain initial visual
 461                            settings for a new session
 462                         */
 463                         _session->save_state ("");
 464                 }
 465         }
 466 }
 467
 468 ARDOUR_UI::~ARDOUR_UI ()
 469 {
 470         delete keyboard;
 471         delete editor;
 472         delete mixer;
 473         delete add_route_dialog;
 474 #ifdef WITH_VIDEOTIMELINE
 475         if (add_video_dialog) delete add_video_dialog;
 476         stop_video_server();
 477 #endif
 478 }
 479
 480 void
 481 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 482 {
 483         if (Splash::instance()) {
 484                 Splash::instance()->pop_back_for (win);
 485         }
 486 }
 487
 488 gint
 489 ARDOUR_UI::configure_timeout ()
 490 {
 491         if (last_configure_time == 0) {
 492                 /* no configure events yet */
 493                 return true;
 494         }
 495
 496         /* force a gap of 0.5 seconds since the last configure event
 497          */
 498
 499         if (get_microseconds() - last_configure_time < 500000) {
 500                 return true;
 501         } else {
 502                 have_configure_timeout = false;
 503                 save_ardour_state ();
 504                 return false;
 505         }
 506 }
 507
 508 gboolean
 509 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 510 {
 511         if (have_configure_timeout) {
 512                 last_configure_time = get_microseconds();
 513         } else {
 514                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 515                 have_configure_timeout = true;
 516         }
 517
 518         return FALSE;
 519 }
 520
 521 void
 522 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 523 {
 524         const XMLProperty* prop;
 525
 526         if ((prop = node.property ("roll")) != 0) {
 527                 roll_controllable->set_id (prop->value());
 528         }
 529         if ((prop = node.property ("stop")) != 0) {
 530                 stop_controllable->set_id (prop->value());
 531         }
 532         if ((prop = node.property ("goto-start")) != 0) {
 533                 goto_start_controllable->set_id (prop->value());
 534         }
 535         if ((prop = node.property ("goto-end")) != 0) {
 536                 goto_end_controllable->set_id (prop->value());
 537         }
 538         if ((prop = node.property ("auto-loop")) != 0) {
 539                 auto_loop_controllable->set_id (prop->value());
 540         }
 541         if ((prop = node.property ("play-selection")) != 0) {
 542                 play_selection_controllable->set_id (prop->value());
 543         }
 544         if ((prop = node.property ("rec")) != 0) {
 545                 rec_controllable->set_id (prop->value());
 546         }
 547         if ((prop = node.property ("shuttle")) != 0) {
 548                 shuttle_box->controllable()->set_id (prop->value());
 549         }
 550 }
 551
 552 XMLNode&
 553 ARDOUR_UI::get_transport_controllable_state ()
 554 {
 555         XMLNode* node = new XMLNode(X_("TransportControllables"));
 556         char buf[64];
 557
 558         roll_controllable->id().print (buf, sizeof (buf));
 559         node->add_property (X_("roll"), buf);
 560         stop_controllable->id().print (buf, sizeof (buf));
 561         node->add_property (X_("stop"), buf);
 562         goto_start_controllable->id().print (buf, sizeof (buf));
 563         node->add_property (X_("goto_start"), buf);
 564         goto_end_controllable->id().print (buf, sizeof (buf));
 565         node->add_property (X_("goto_end"), buf);
 566         auto_loop_controllable->id().print (buf, sizeof (buf));
 567         node->add_property (X_("auto_loop"), buf);
 568         play_selection_controllable->id().print (buf, sizeof (buf));
 569         node->add_property (X_("play_selection"), buf);
 570         rec_controllable->id().print (buf, sizeof (buf));
 571         node->add_property (X_("rec"), buf);
 572         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 573         node->add_property (X_("shuttle"), buf);
 574
 575         return *node;
 576 }
 577
 578
 579 gint
 580 ARDOUR_UI::autosave_session ()
 581 {
 582         if (g_main_depth() > 1) {
 583                 /* inside a recursive main loop,
 584                    give up because we may not be able to
 585                    take a lock.
 586                 */
 587                 return 1;
 588         }
 589
 590         if (!Config->get_periodic_safety_backups()) {
 591                 return 1;
 592         }
 593
 594         if (_session) {
 595                 _session->maybe_write_autosave();
 596         }
 597
 598         return 1;
 599 }
 600
 601 void
 602 ARDOUR_UI::update_autosave ()
 603 {
 604         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 605
 606         if (_session && _session->dirty()) {
 607                 if (_autosave_connection.connected()) {
 608                         _autosave_connection.disconnect();
 609                 }
 610
 611                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 612                                 Config->get_periodic_safety_backup_interval() * 1000);
 613
 614         } else {
 615                 if (_autosave_connection.connected()) {
 616                         _autosave_connection.disconnect();
 617                 }
 618         }
 619 }
 620
 621 void
 622 ARDOUR_UI::check_announcements ()
 623 {
 624 #ifdef PHONE_HOME
 625         string _annc_filename;
 626
 627 #ifdef __APPLE__
 628         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 629 #else
 630         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 631 #endif
 632         _annc_filename.append (VERSIONSTRING);
 633
 634         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 635         std::ifstream announce_file (path.c_str());
 636         if ( announce_file.fail() )
 637                 _announce_string = "";
 638         else {
 639                 std::stringstream oss;
 640                 oss << announce_file.rdbuf();
 641                 _announce_string = oss.str();
 642         }
 643
 644         pingback (VERSIONSTRING, path);
 645 #endif
 646 }
 647
 648 void
 649 ARDOUR_UI::startup ()
 650 {
 651         Application* app = Application::instance ();
 652         char *nsm_url;
 653         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 654         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 655
 656         if (ARDOUR_COMMAND_LINE::check_announcements) {
 657                 check_announcements ();
 658         }
 659
 660         app->ready ();
 661
 662         nsm_url = getenv ("NSM_URL");
 663
 664         if (nsm_url) {
 665                 nsm = new NSM_Client;
 666                 if (!nsm->init (nsm_url)) {
 667                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 668
 669                         // wait for announce reply from nsm server
 670                         do {
 671                                 nsm->check ();
 672                                 usleep (10);
 673                         } while (!nsm->is_active ());
 674                         // wait for open command from nsm server
 675                         do {
 676                                 nsm->check ();
 677                                 usleep (10);
 678                         } while (!nsm->client_id ());
 679
 680                         if (_session && nsm) {
 681                                 _session->set_nsm_state( nsm->is_active() );
 682                         }
 683
 684                         // nsm requires these actions disabled
 685                         vector<string> action_names;
 686                         action_names.push_back("Snapshot");
 687                         action_names.push_back("SaveAs");
 688                         action_names.push_back("Rename");
 689                         action_names.push_back("New");
 690                         action_names.push_back("Open");
 691                         action_names.push_back("Recent");
 692                         action_names.push_back("Close");
 693
 694                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 695                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 696                                 if (act) {
 697                                         act->set_sensitive (false);
 698                                 }
 699                         }
 700
 701                         // wait for session is loaded reply from nsm server
 702                         do {
 703                                 nsm->check ();
 704                                 usleep (10);
 705                         } while (!nsm->session_loaded ());
 706
 707                 }
 708                 else {
 709                         delete nsm;
 710                         nsm = 0;
 711                 }
 712         }
 713
 714         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 715                 exit (1);
 716         }
 717
 718         use_config ();
 719
 720         goto_editor_window ();
 721
 722         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
 723            to be opened on top of the editor window that goto_editor_window() just opened.
 724         */
 725         add_window_proxy (location_ui);
 726         add_window_proxy (big_clock_window);
 727         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 728                 add_window_proxy (_global_port_matrix[*i]);
 729         }
 730
 731         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 732          * editor window, and we may want stuff to be hidden.
 733          */
 734         _status_bar_visibility.update ();
 735
 736         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 737 }
 738
 739 void
 740 ARDOUR_UI::no_memory_warning ()
 741 {
 742         XMLNode node (X_("no-memory-warning"));
 743         Config->add_instant_xml (node);
 744 }
 745
 746 void
 747 ARDOUR_UI::check_memory_locking ()
 748 {
 749 #ifdef __APPLE__
 750         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 751         return;
 752 #else // !__APPLE__
 753
 754         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 755
 756         if (engine->is_realtime() && memory_warning_node == 0) {
 757
 758                 struct rlimit limits;
 759                 int64_t ram;
 760                 long pages, page_size;
 761 #ifdef __FreeBSD__
 762                 size_t pages_len=sizeof(pages);
 763                 if ((page_size = getpagesize()) < 0 ||
 764                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 765 #else
 766                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 767 #endif
 768                 {
 769                         ram = 0;
 770                 } else {
 771                         ram = (int64_t) pages * (int64_t) page_size;
 772                 }
 773
 774                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 775                         return;
 776                 }
 777
 778                 if (limits.rlim_cur != RLIM_INFINITY) {
 779
 780                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 781
 782                                 MessageDialog msg (
 783                                         string_compose (
 784                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 785                                                   "This might cause %1 to run out of memory before your system "
 786                                                   "runs out of memory. \n\n"
 787                                                   "You can view the memory limit with 'ulimit -l', "
 788                                                   "and it is normally controlled by %2"),
 789                                                 PROGRAM_NAME).c_str(),
 790 #ifdef __FreeBSD__
 791                                         X_("/etc/login.conf")
 792 #else
 793                                         X_(" /etc/security/limits.conf")
 794 #endif
 795                                         );
 796
 797                                 msg.set_default_response (RESPONSE_OK);
 798
 799                                 VBox* vbox = msg.get_vbox();
 800                                 HBox hbox;
 801                                 CheckButton cb (_("Do not show this window again"));
 802
 803                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 804
 805                                 hbox.pack_start (cb, true, false);
 806                                 vbox->pack_start (hbox);
 807                                 cb.show();
 808                                 vbox->show();
 809                                 hbox.show ();
 810
 811                                 pop_back_splash (msg);
 812
 813                                 editor->ensure_float (msg);
 814                                 msg.run ();
 815                         }
 816                 }
 817         }
 818 #endif // !__APPLE__
 819 }
 820
 821
 822 void
 823 ARDOUR_UI::queue_finish ()
 824 {
 825         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 826 }
 827
 828 bool
 829 ARDOUR_UI::idle_finish ()
 830 {
 831         finish ();
 832         return false; /* do not call again */
 833 }
 834
 835 void
 836 ARDOUR_UI::finish()
 837 {
 838 #ifdef WITH_VIDEOTIMELINE
 839         /* close video-monitor & pending requests
 840          * would better be done in ~Editor() but that is not called..
 841          */
 842         ARDOUR_UI::instance()->video_timeline->close_session();
 843 #endif
 844         if (_session) {
 845
 846                 if (_session->dirty()) {
 847                         vector<string> actions;
 848                         actions.push_back (_("Don't quit"));
 849                         actions.push_back (_("Just quit"));
 850                         actions.push_back (_("Save and quit"));
 851                         switch (ask_about_saving_session(actions)) {
 852                         case -1:
 853                                 return;
 854                                 break;
 855                         case 1:
 856                                 /* use the default name */
 857                                 if (save_state_canfail ("")) {
 858                                         /* failed - don't quit */
 859                                         MessageDialog msg (*editor,
 860                                                            string_compose (_("\
 861 %1 was unable to save your session.\n\n\
 862 If you still wish to quit, please use the\n\n\
 863 \"Just quit\" option."), PROGRAM_NAME));
 864                                         pop_back_splash(msg);
 865                                         msg.run ();
 866                                         return;
 867                                 }
 868                                 break;
 869                         case 0:
 870                                 break;
 871                         }
 872                 }
 873
 874                 second_connection.disconnect ();
 875                 point_one_second_connection.disconnect ();
 876                 point_oh_five_second_connection.disconnect ();
 877                 point_zero_one_second_connection.disconnect();
 878         }
 879
 880 #ifdef WITH_VIDEOTIMELINE
 881         delete ARDOUR_UI::instance()->video_timeline;
 882         stop_video_server();
 883 #endif
 884
 885         /* Save state before deleting the session, as that causes some
 886            windows to be destroyed before their visible state can be
 887            saved.
 888         */
 889         save_ardour_state ();
 890
 891         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 892
 893         if (_session) {
 894                 // _session->set_deletion_in_progress ();
 895                 _session->set_clean ();
 896                 _session->remove_pending_capture_state ();
 897                 delete _session;
 898                 _session = 0;
 899         }
 900
 901         ArdourDialog::close_all_dialogs ();
 902         engine->stop (true);
 903         quit ();
 904 }
 905
 906 int
 907 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 908 {
 909         ArdourDialog window (_("Unsaved Session"));
 910         Gtk::HBox dhbox;  // the hbox for the image and text
 911         Gtk::Label  prompt_label;
 912         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 913
 914         string msg;
 915
 916         assert (actions.size() >= 3);
 917
 918         window.add_button (actions[0], RESPONSE_REJECT);
 919         window.add_button (actions[1], RESPONSE_APPLY);
 920         window.add_button (actions[2], RESPONSE_ACCEPT);
 921
 922         window.set_default_response (RESPONSE_ACCEPT);
 923
 924         Gtk::Button noquit_button (msg);
 925         noquit_button.set_name ("EditorGTKButton");
 926
 927         string prompt;
 928
 929         if (_session->snap_name() == _session->name()) {
 930                 prompt = string_compose(_("The session \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
 931                                         _session->snap_name());
 932         } else {
 933                 prompt = string_compose(_("The snapshot \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
 934                                         _session->snap_name());
 935         }
 936
 937         prompt_label.set_text (prompt);
 938         prompt_label.set_name (X_("PrompterLabel"));
 939         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 940
 941         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 942         dhbox.set_homogeneous (false);
 943         dhbox.pack_start (*dimage, false, false, 5);
 944         dhbox.pack_start (prompt_label, true, false, 5);
 945         window.get_vbox()->pack_start (dhbox);
 946
 947         window.set_name (_("Prompter"));
 948         window.set_position (Gtk::WIN_POS_MOUSE);
 949         window.set_modal (true);
 950         window.set_resizable (false);
 951
 952         dhbox.show();
 953         prompt_label.show();
 954         dimage->show();
 955         window.show();
 956         window.set_keep_above (true);
 957         window.present ();
 958
 959         ResponseType r = (ResponseType) window.run();
 960
 961         window.hide ();
 962
 963         switch (r) {
 964         case RESPONSE_ACCEPT: // save and get out of here
 965                 return 1;
 966         case RESPONSE_APPLY:  // get out of here
 967                 return 0;
 968         default:
 969                 break;
 970         }
 971
 972         return -1;
 973 }
 974
 975
 976 gint
 977 ARDOUR_UI::every_second ()
 978 {
 979         update_cpu_load ();
 980         update_buffer_load ();
 981         update_disk_space ();
 982         update_timecode_format ();
 983
 984         if (nsm && nsm->is_active () && nsm->session_loaded ()) {
 985                 nsm->check ();
 986
 987                 if (!_was_dirty && _session->dirty ()) {
 988                         nsm->is_dirty ();
 989                         _was_dirty = true;
 990                 }
 991                 else if (_was_dirty && !_session->dirty ()){
 992                         nsm->is_clean ();
 993                         _was_dirty = false;
 994                 }
 995         }
 996         return TRUE;
 997 }
 998
 999 gint
1000 ARDOUR_UI::every_point_one_seconds ()
1001 {
1002         shuttle_box->update_speed_display ();
1003         RapidScreenUpdate(); /* EMIT_SIGNAL */
1004         return TRUE;
1005 }
1006
1007 gint
1008 ARDOUR_UI::every_point_zero_one_seconds ()
1009 {
1010         // august 2007: actual update frequency: 40Hz, not 100Hz
1011
1012         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1013         return TRUE;
1014 }
1015
1016 void
1017 ARDOUR_UI::update_sample_rate (framecnt_t)
1018 {
1019         char buf[64];
1020
1021         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1022
1023         if (!engine->connected()) {
1024
1025                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1026
1027         } else {
1028
1029                 framecnt_t rate = engine->frame_rate();
1030
1031                 if (fmod (rate, 1000.0) != 0.0) {
1032                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1033                                   (float) rate/1000.0f,
1034                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1035                 } else {
1036                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1037                                   rate/1000,
1038                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1039                 }
1040         }
1041
1042         sample_rate_label.set_markup (buf);
1043 }
1044
1045 void
1046 ARDOUR_UI::update_format ()
1047 {
1048         if (!_session) {
1049                 format_label.set_text ("");
1050                 return;
1051         }
1052
1053         stringstream s;
1054         s << _("File:") << X_(" <span foreground=\"green\">");
1055
1056         switch (_session->config.get_native_file_header_format ()) {
1057         case BWF:
1058                 s << _("BWF");
1059                 break;
1060         case WAVE:
1061                 s << _("WAV");
1062                 break;
1063         case WAVE64:
1064                 s << _("WAV64");
1065                 break;
1066         case CAF:
1067                 s << _("CAF");
1068                 break;
1069         case AIFF:
1070                 s << _("AIFF");
1071                 break;
1072         case iXML:
1073                 s << _("iXML");
1074                 break;
1075         case RF64:
1076                 s << _("RF64");
1077                 break;
1078         }
1079
1080         s << " ";
1081
1082         switch (_session->config.get_native_file_data_format ()) {
1083         case FormatFloat:
1084                 s << _("32-float");
1085                 break;
1086         case FormatInt24:
1087                 s << _("24-int");
1088                 break;
1089         case FormatInt16:
1090                 s << _("16-int");
1091                 break;
1092         }
1093
1094         s << X_("</span>");
1095
1096         format_label.set_markup (s.str ());
1097 }
1098
1099 void
1100 ARDOUR_UI::update_cpu_load ()
1101 {
1102         char buf[64];
1103
1104         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1105            should also be changed.
1106         */
1107
1108         float const c = engine->get_cpu_load ();
1109         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1110         cpu_load_label.set_markup (buf);
1111 }
1112
1113 void
1114 ARDOUR_UI::update_buffer_load ()
1115 {
1116         char buf[256];
1117
1118         uint32_t const playback = _session ? _session->playback_load () : 100;
1119         uint32_t const capture = _session ? _session->capture_load () : 100;
1120
1121         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1122            should also be changed.
1123         */
1124
1125         if (_session) {
1126                 snprintf (
1127                         buf, sizeof (buf),
1128                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1129                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1130                         playback <= 5 ? X_("red") : X_("green"),
1131                         playback,
1132                         capture <= 5 ? X_("red") : X_("green"),
1133                         capture
1134                         );
1135
1136                 buffer_load_label.set_markup (buf);
1137         } else {
1138                 buffer_load_label.set_text ("");
1139         }
1140 }
1141
1142 void
1143 ARDOUR_UI::count_recenabled_streams (Route& route)
1144 {
1145         Track* track = dynamic_cast<Track*>(&route);
1146         if (track && track->record_enabled()) {
1147                 rec_enabled_streams += track->n_inputs().n_total();
1148         }
1149 }
1150
1151 void
1152 ARDOUR_UI::update_disk_space()
1153 {
1154         if (_session == 0) {
1155                 return;
1156         }
1157
1158         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1159         char buf[64];
1160         framecnt_t fr = _session->frame_rate();
1161
1162         if (!opt_frames) {
1163                 /* Available space is unknown */
1164                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1165         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1166                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1167         } else {
1168                 rec_enabled_streams = 0;
1169                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1170
1171                 framecnt_t frames = opt_frames.get_value_or (0);
1172
1173                 if (rec_enabled_streams) {
1174                         frames /= rec_enabled_streams;
1175                 }
1176
1177                 int hrs;
1178                 int mins;
1179                 int secs;
1180
1181                 hrs  = frames / (fr * 3600);
1182
1183                 if (hrs > 24) {
1184                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1185                 } else {
1186                         frames -= hrs * fr * 3600;
1187                         mins = frames / (fr * 60);
1188                         frames -= mins * fr * 60;
1189                         secs = frames / fr;
1190
1191                         bool const low = (hrs == 0 && mins <= 30);
1192
1193                         snprintf (
1194                                 buf, sizeof(buf),
1195                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1196                                 low ? X_("red") : X_("green"),
1197                                 hrs, mins, secs
1198                                 );
1199                 }
1200         }
1201
1202         disk_space_label.set_markup (buf);
1203 }
1204
1205 void
1206 ARDOUR_UI::update_timecode_format ()
1207 {
1208         char buf[64];
1209
1210         if (_session) {
1211                 bool matching;
1212                 TimecodeSlave* tcslave;
1213                 SyncSource sync_src = Config->get_sync_source();
1214
1215                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1216                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1217                 } else {
1218                         matching = true;
1219                 }
1220
1221                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1222                           matching ? X_("green") : X_("red"),
1223                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1224         } else {
1225                 snprintf (buf, sizeof (buf), "TC: n/a");
1226         }
1227
1228         timecode_format_label.set_markup (buf);
1229 }
1230
1231 gint
1232 ARDOUR_UI::update_wall_clock ()
1233 {
1234         time_t now;
1235         struct tm *tm_now;
1236         static int last_min = -1;
1237
1238         time (&now);
1239         tm_now = localtime (&now);
1240         if (last_min != tm_now->tm_min) {
1241                 char buf[16];
1242                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1243                 wall_clock_label.set_text (buf);
1244                 last_min = tm_now->tm_min;
1245         }
1246
1247         return TRUE;
1248 }
1249
1250 void
1251 ARDOUR_UI::redisplay_recent_sessions ()
1252 {
1253         std::vector<std::string> session_directories;
1254         RecentSessionsSorter cmp;
1255
1256         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1257         recent_session_model->clear ();
1258
1259         ARDOUR::RecentSessions rs;
1260         ARDOUR::read_recent_sessions (rs);
1261
1262         if (rs.empty()) {
1263                 recent_session_display.set_model (recent_session_model);
1264                 return;
1265         }
1266
1267         // sort them alphabetically
1268         sort (rs.begin(), rs.end(), cmp);
1269
1270         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1271                 session_directories.push_back ((*i).second);
1272         }
1273
1274         for (vector<std::string>::const_iterator i = session_directories.begin();
1275                         i != session_directories.end(); ++i)
1276         {
1277                 std::vector<std::string> state_file_paths;
1278
1279                 // now get available states for this session
1280
1281                 get_state_files_in_directory (*i, state_file_paths);
1282
1283                 vector<string*>* states;
1284                 vector<const gchar*> item;
1285                 string fullpath = *i;
1286
1287                 /* remove any trailing / */
1288
1289                 if (fullpath[fullpath.length() - 1] == '/') {
1290                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1291                 }
1292
1293                 /* check whether session still exists */
1294                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1295                         /* session doesn't exist */
1296                         continue;
1297                 }
1298
1299                 /* now get available states for this session */
1300
1301                 if ((states = Session::possible_states (fullpath)) == 0) {
1302                         /* no state file? */
1303                         continue;
1304                 }
1305
1306                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1307
1308                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1309
1310                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1311                 row[recent_session_columns.fullpath] = fullpath;
1312                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1313
1314                 if (state_file_names.size() > 1) {
1315
1316                         // add the children
1317
1318                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1319                                         i2 != state_file_names.end(); ++i2)
1320                         {
1321
1322                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1323
1324                                 child_row[recent_session_columns.visible_name] = *i2;
1325                                 child_row[recent_session_columns.fullpath] = fullpath;
1326                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1327                         }
1328                 }
1329         }
1330
1331         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1332         recent_session_display.set_model (recent_session_model);
1333 }
1334
1335 void
1336 ARDOUR_UI::build_session_selector ()
1337 {
1338         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1339
1340         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1341
1342         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1343         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1344         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1345         recent_session_model = TreeStore::create (recent_session_columns);
1346         recent_session_display.set_model (recent_session_model);
1347         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1348         recent_session_display.set_headers_visible (false);
1349         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1350         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1351
1352         scroller->add (recent_session_display);
1353         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1354
1355         session_selector_window->set_name ("SessionSelectorWindow");
1356         session_selector_window->set_size_request (200, 400);
1357         session_selector_window->get_vbox()->pack_start (*scroller);
1358
1359         recent_session_display.show();
1360         scroller->show();
1361 }
1362
1363 void
1364 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1365 {
1366         session_selector_window->response (RESPONSE_ACCEPT);
1367 }
1368
1369 void
1370 ARDOUR_UI::open_recent_session ()
1371 {
1372         bool can_return = (_session != 0);
1373
1374         if (session_selector_window == 0) {
1375                 build_session_selector ();
1376         }
1377
1378         redisplay_recent_sessions ();
1379
1380         while (true) {
1381
1382                 session_selector_window->set_position (WIN_POS_MOUSE);
1383
1384                 ResponseType r = (ResponseType) session_selector_window->run ();
1385
1386                 switch (r) {
1387                 case RESPONSE_ACCEPT:
1388                         break;
1389                 default:
1390                         if (can_return) {
1391                                 session_selector_window->hide();
1392                                 return;
1393                         } else {
1394                                 exit (1);
1395                         }
1396                 }
1397
1398                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1399                         continue;
1400                 }
1401
1402                 session_selector_window->hide();
1403
1404                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1405
1406                 if (i == recent_session_model->children().end()) {
1407                         return;
1408                 }
1409
1410                 std::string path = (*i)[recent_session_columns.fullpath];
1411                 std::string state = (*i)[recent_session_columns.visible_name];
1412
1413                 _session_is_new = false;
1414
1415                 if (load_session (path, state) == 0) {
1416                         break;
1417                 }
1418
1419                 can_return = false;
1420         }
1421 }
1422
1423 bool
1424 ARDOUR_UI::check_audioengine ()
1425 {
1426         if (engine) {
1427                 if (!engine->connected()) {
1428                         MessageDialog msg (string_compose (
1429                                                    _("%1 is not connected to JACK\n"
1430                                                      "You cannot open or close sessions in this condition"),
1431                                                    PROGRAM_NAME));
1432                         pop_back_splash (msg);
1433                         msg.run ();
1434                         return false;
1435                 }
1436                 return true;
1437         } else {
1438                 return false;
1439         }
1440 }
1441
1442 void
1443 ARDOUR_UI::open_session ()
1444 {
1445         if (!check_audioengine()) {
1446                 return;
1447
1448         }
1449
1450         /* popup selector window */
1451
1452         if (open_session_selector == 0) {
1453
1454                 /* ardour sessions are folders */
1455
1456                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1457                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1458                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1459                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1460
1461                 if (_session) {
1462                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1463                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1464                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1465                         open_session_selector->set_current_folder(session_parent_dir);
1466                 } else {
1467                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1468                 }
1469
1470                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1471
1472                 FileFilter session_filter;
1473                 session_filter.add_pattern ("*.ardour");
1474                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1475                 open_session_selector->add_filter (session_filter);
1476                 open_session_selector->set_filter (session_filter);
1477         }
1478
1479         int response = open_session_selector->run();
1480         open_session_selector->hide ();
1481
1482         switch (response) {
1483         case RESPONSE_ACCEPT:
1484                 break;
1485         default:
1486                 open_session_selector->hide();
1487                 return;
1488         }
1489
1490         open_session_selector->hide();
1491         string session_path = open_session_selector->get_filename();
1492         string path, name;
1493         bool isnew;
1494
1495         if (session_path.length() > 0) {
1496                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1497                         _session_is_new = isnew;
1498                         load_session (path, name);
1499                 }
1500         }
1501 }
1502
1503
1504 void
1505 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1506                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1507 {
1508         list<boost::shared_ptr<MidiTrack> > tracks;
1509
1510         if (_session == 0) {
1511                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1512                 return;
1513         }
1514
1515         try {
1516                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1517
1518                 if (tracks.size() != how_many) {
1519                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1520                 }
1521         }
1522
1523         catch (...) {
1524                 MessageDialog msg (*editor,
1525                                    string_compose (_("There are insufficient JACK ports available\n\
1526 to create a new track or bus.\n\
1527 You should save %1, exit and\n\
1528 restart JACK with more ports."), PROGRAM_NAME));
1529                 msg.run ();
1530         }
1531 }
1532
1533
1534 void
1535 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1536 {
1537         ChanCount one_midi_channel;
1538         one_midi_channel.set (DataType::MIDI, 1);
1539
1540         if (disk) {
1541                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1542         }
1543 }
1544
1545 void
1546 ARDOUR_UI::session_add_audio_route (
1547         bool track,
1548         int32_t input_channels,
1549         int32_t output_channels,
1550         ARDOUR::TrackMode mode,
1551         RouteGroup* route_group,
1552         uint32_t how_many,
1553         string const & name_template
1554         )
1555 {
1556         list<boost::shared_ptr<AudioTrack> > tracks;
1557         RouteList routes;
1558
1559         if (_session == 0) {
1560                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1561                 return;
1562         }
1563
1564         try {
1565                 if (track) {
1566                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1567
1568                         if (tracks.size() != how_many) {
1569                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1570                                       << endmsg;
1571                         }
1572
1573                 } else {
1574
1575                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1576
1577                         if (routes.size() != how_many) {
1578                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1579                                       << endmsg;
1580                         }
1581                 }
1582         }
1583
1584         catch (...) {
1585                 MessageDialog msg (*editor,
1586                                    string_compose (_("There are insufficient JACK ports available\n\
1587 to create a new track or bus.\n\
1588 You should save %1, exit and\n\
1589 restart JACK with more ports."), PROGRAM_NAME));
1590                 pop_back_splash (msg);
1591                 msg.run ();
1592         }
1593 }
1594
1595 void
1596 ARDOUR_UI::transport_goto_start ()
1597 {
1598         if (_session) {
1599                 _session->goto_start();
1600
1601                 /* force displayed area in editor to start no matter
1602                    what "follow playhead" setting is.
1603                 */
1604
1605                 if (editor) {
1606                         editor->center_screen (_session->current_start_frame ());
1607                 }
1608         }
1609 }
1610
1611 void
1612 ARDOUR_UI::transport_goto_zero ()
1613 {
1614         if (_session) {
1615                 _session->request_locate (0);
1616
1617                 /* force displayed area in editor to start no matter
1618                    what "follow playhead" setting is.
1619                 */
1620
1621                 if (editor) {
1622                         editor->reset_x_origin (0);
1623                 }
1624         }
1625 }
1626
1627 void
1628 ARDOUR_UI::transport_goto_wallclock ()
1629 {
1630         if (_session && editor) {
1631
1632                 time_t now;
1633                 struct tm tmnow;
1634                 framepos_t frames;
1635
1636                 time (&now);
1637                 localtime_r (&now, &tmnow);
1638
1639                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1640                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1641                 frames += tmnow.tm_sec * _session->frame_rate();
1642
1643                 _session->request_locate (frames, _session->transport_rolling ());
1644
1645                 /* force displayed area in editor to start no matter
1646                    what "follow playhead" setting is.
1647                 */
1648
1649                 if (editor) {
1650                         editor->center_screen (frames);
1651                 }
1652         }
1653 }
1654
1655 void
1656 ARDOUR_UI::transport_goto_end ()
1657 {
1658         if (_session) {
1659                 framepos_t const frame = _session->current_end_frame();
1660                 _session->request_locate (frame);
1661
1662                 /* force displayed area in editor to start no matter
1663                    what "follow playhead" setting is.
1664                 */
1665
1666                 if (editor) {
1667                         editor->center_screen (frame);
1668                 }
1669         }
1670 }
1671
1672 void
1673 ARDOUR_UI::transport_stop ()
1674 {
1675         if (!_session) {
1676                 return;
1677         }
1678
1679         if (_session->is_auditioning()) {
1680                 _session->cancel_audition ();
1681                 return;
1682         }
1683
1684         _session->request_stop (false, true);
1685 }
1686
1687 void
1688 ARDOUR_UI::transport_record (bool roll)
1689 {
1690
1691         if (_session) {
1692                 switch (_session->record_status()) {
1693                 case Session::Disabled:
1694                         if (_session->ntracks() == 0) {
1695                                 MessageDialog msg (*editor, _("Please create one or more tracks before trying to record.\nYou can do this with the \"Add Track or Bus\" option in the Session menu."));
1696                                 msg.run ();
1697                                 return;
1698                         }
1699                         _session->maybe_enable_record ();
1700                         if (roll) {
1701                                 transport_roll ();
1702                         }
1703                         break;
1704                 case Session::Recording:
1705                         if (roll) {
1706                                 _session->request_stop();
1707                         } else {
1708                                 _session->disable_record (false, true);
1709                         }
1710                         break;
1711
1712                 case Session::Enabled:
1713                         _session->disable_record (false, true);
1714                 }
1715         }
1716 }
1717
1718 void
1719 ARDOUR_UI::transport_roll ()
1720 {
1721         if (!_session) {
1722                 return;
1723         }
1724
1725         if (_session->is_auditioning()) {
1726                 return;
1727         }
1728
1729 #if 0
1730         if (_session->config.get_external_sync()) {
1731                 switch (Config->get_sync_source()) {
1732                 case JACK:
1733                         break;
1734                 default:
1735                         /* transport controlled by the master */
1736                         return;
1737                 }
1738         }
1739 #endif
1740
1741         bool rolling = _session->transport_rolling();
1742
1743         if (_session->get_play_loop()) {
1744                 /* XXX it is not possible to just leave seamless loop and keep
1745                    playing at present (nov 4th 2009)
1746                 */
1747                 if (!Config->get_seamless_loop()) {
1748                         _session->request_play_loop (false, true);
1749                 }
1750         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1751                 /* stop playing a range if we currently are */
1752                 _session->request_play_range (0, true);
1753         }
1754
1755         if (!rolling) {
1756                 _session->request_transport_speed (1.0f);
1757         }
1758 }
1759
1760 bool
1761 ARDOUR_UI::get_smart_mode() const
1762 {
1763         return ( editor->get_smart_mode() );
1764 }
1765
1766
1767 void
1768 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1769 {
1770
1771         if (!_session) {
1772                 return;
1773         }
1774
1775         if (_session->is_auditioning()) {
1776                 _session->cancel_audition ();
1777                 return;
1778         }
1779
1780         if (_session->config.get_external_sync()) {
1781                 switch (Config->get_sync_source()) {
1782                 case JACK:
1783                         break;
1784                 default:
1785                         /* transport controlled by the master */
1786                         return;
1787                 }
1788         }
1789
1790         bool rolling = _session->transport_rolling();
1791         bool affect_transport = true;
1792
1793         if (rolling && roll_out_of_bounded_mode) {
1794                 /* drop out of loop/range playback but leave transport rolling */
1795                 if (_session->get_play_loop()) {
1796                         if (Config->get_seamless_loop()) {
1797                                 /* the disk buffers contain copies of the loop - we can't
1798                                    just keep playing, so stop the transport. the user
1799                                    can restart as they wish.
1800                                 */
1801                                 affect_transport = true;
1802                         } else {
1803                                 /* disk buffers are normal, so we can keep playing */
1804                                 affect_transport = false;
1805                         }
1806                         _session->request_play_loop (false, true);
1807                 } else if (_session->get_play_range ()) {
1808                         affect_transport = false;
1809                         _session->request_play_range (0, true);
1810                 }
1811         }
1812
1813         if (affect_transport) {
1814                 if (rolling) {
1815                         _session->request_stop (with_abort, true);
1816                 } else {
1817                         if ( Config->get_always_play_range() ) {
1818                                 _session->request_play_range (&editor->get_selection().time, true);
1819                         }
1820
1821                         _session->request_transport_speed (1.0f);
1822                 }
1823         }
1824 }
1825
1826 void
1827 ARDOUR_UI::toggle_session_auto_loop ()
1828 {
1829         Location * looploc = _session->locations()->auto_loop_location();
1830
1831         if (!_session || !looploc) {
1832                 return;
1833         }
1834
1835         if (_session->get_play_loop()) {
1836
1837                 if (_session->transport_rolling()) {
1838
1839                         _session->request_locate (looploc->start(), true);
1840                         _session->request_play_loop (false);
1841
1842                 } else {
1843                         _session->request_play_loop (false);
1844                 }
1845         } else {
1846                 _session->request_play_loop (true);
1847         }
1848
1849         //show the loop markers
1850         looploc->set_hidden (false, this);
1851 }
1852
1853 void
1854 ARDOUR_UI::transport_play_selection ()
1855 {
1856         if (!_session) {
1857                 return;
1858         }
1859
1860         editor->play_selection ();
1861 }
1862
1863 void
1864 ARDOUR_UI::transport_play_preroll ()
1865 {
1866         if (!_session) {
1867                 return;
1868         }
1869         editor->play_with_preroll ();
1870 }
1871
1872 void
1873 ARDOUR_UI::transport_rewind (int option)
1874 {
1875         float current_transport_speed;
1876
1877         if (_session) {
1878                 current_transport_speed = _session->transport_speed();
1879
1880                 if (current_transport_speed >= 0.0f) {
1881                         switch (option) {
1882                         case 0:
1883                                 _session->request_transport_speed (-1.0f);
1884                                 break;
1885                         case 1:
1886                                 _session->request_transport_speed (-4.0f);
1887                                 break;
1888                         case -1:
1889                                 _session->request_transport_speed (-0.5f);
1890                                 break;
1891                         }
1892                 } else {
1893                         /* speed up */
1894                         _session->request_transport_speed (current_transport_speed * 1.5f);
1895                 }
1896         }
1897 }
1898
1899 void
1900 ARDOUR_UI::transport_forward (int option)
1901 {
1902         if (!_session) {
1903                 return;
1904         }
1905
1906         float current_transport_speed = _session->transport_speed();
1907
1908         if (current_transport_speed <= 0.0f) {
1909                 switch (option) {
1910                 case 0:
1911                         _session->request_transport_speed (1.0f);
1912                         break;
1913                 case 1:
1914                         _session->request_transport_speed (4.0f);
1915                         break;
1916                 case -1:
1917                         _session->request_transport_speed (0.5f);
1918                         break;
1919                 }
1920         } else {
1921                 /* speed up */
1922                 _session->request_transport_speed (current_transport_speed * 1.5f);
1923         }
1924 }
1925
1926 void
1927 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1928 {
1929         if (!_session) {
1930                 return;
1931         }
1932
1933         boost::shared_ptr<Route> r;
1934
1935         if ((r = _session->route_by_remote_id (rid)) != 0) {
1936
1937                 Track* t;
1938
1939                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1940                         t->set_record_enabled (!t->record_enabled(), this);
1941                 }
1942         }
1943 }
1944
1945 void
1946 ARDOUR_UI::map_transport_state ()
1947 {
1948         if (!_session) {
1949                 auto_loop_button.unset_active_state ();
1950                 play_selection_button.unset_active_state ();
1951                 roll_button.unset_active_state ();
1952                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1953                 return;
1954         }
1955
1956         shuttle_box->map_transport_state ();
1957
1958         float sp = _session->transport_speed();
1959
1960         if (sp != 0.0f) {
1961
1962                 /* we're rolling */
1963
1964                 if (_session->get_play_range()) {
1965
1966                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1967                         roll_button.unset_active_state ();
1968                         auto_loop_button.unset_active_state ();
1969
1970                 } else if (_session->get_play_loop ()) {
1971
1972                         auto_loop_button.set_active (true);
1973                         play_selection_button.set_active (false);
1974                         roll_button.set_active (false);
1975
1976                 } else {
1977
1978                         roll_button.set_active (true);
1979                         play_selection_button.set_active (false);
1980                         auto_loop_button.set_active (false);
1981                 }
1982
1983                 if (Config->get_always_play_range()) {
1984                         /* light up both roll and play-selection if they are joined */
1985                         roll_button.set_active (true);
1986                         play_selection_button.set_active (true);
1987                 }
1988
1989                 stop_button.set_active (false);
1990
1991         } else {
1992
1993                 stop_button.set_active (true);
1994                 roll_button.set_active (false);
1995                 play_selection_button.set_active (false);
1996                 auto_loop_button.set_active (false);
1997                 update_disk_space ();
1998         }
1999 }
2000
2001 void
2002 ARDOUR_UI::engine_stopped ()
2003 {
2004         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2005         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2006         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2007 }
2008
2009 void
2010 ARDOUR_UI::engine_running ()
2011 {
2012         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2013         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2014         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2015
2016         Glib::RefPtr<Action> action;
2017         const char* action_name = 0;
2018
2019         switch (engine->frames_per_cycle()) {
2020         case 32:
2021                 action_name = X_("JACKLatency32");
2022                 break;
2023         case 64:
2024                 action_name = X_("JACKLatency64");
2025                 break;
2026         case 128:
2027                 action_name = X_("JACKLatency128");
2028                 break;
2029         case 512:
2030                 action_name = X_("JACKLatency512");
2031                 break;
2032         case 1024:
2033                 action_name = X_("JACKLatency1024");
2034                 break;
2035         case 2048:
2036                 action_name = X_("JACKLatency2048");
2037                 break;
2038         case 4096:
2039                 action_name = X_("JACKLatency4096");
2040                 break;
2041         case 8192:
2042                 action_name = X_("JACKLatency8192");
2043                 break;
2044         default:
2045                 /* XXX can we do anything useful ? */
2046                 break;
2047         }
2048
2049         if (action_name) {
2050
2051                 action = ActionManager::get_action (X_("JACK"), action_name);
2052
2053                 if (action) {
2054                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2055                         ract->set_active ();
2056                 }
2057         }
2058 }
2059
2060 void
2061 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2062 {
2063         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2064                 /* we can't rely on the original string continuing to exist when we are called
2065                    again in the GUI thread, so make a copy and note that we need to
2066                    free it later.
2067                 */
2068                 char *copy = strdup (reason);
2069                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2070                 return;
2071         }
2072
2073         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2074         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2075
2076         update_sample_rate (0);
2077
2078         string msgstr;
2079
2080         /* if the reason is a non-empty string, it means that the backend was shutdown
2081            rather than just Ardour.
2082         */
2083
2084         if (strlen (reason)) {
2085                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2086         } else {
2087                 msgstr = string_compose (_("\
2088 JACK has either been shutdown or it\n\
2089 disconnected %1 because %1\n\
2090 was not fast enough. Try to restart\n\
2091 JACK, reconnect and save the session."), PROGRAM_NAME);
2092         }
2093
2094         MessageDialog msg (*editor, msgstr);
2095         pop_back_splash (msg);
2096         msg.set_keep_above (true);
2097         msg.run ();
2098
2099         if (free_reason) {
2100                 free (const_cast<char*> (reason));
2101         }
2102 }
2103
2104 int32_t
2105 ARDOUR_UI::do_engine_start ()
2106 {
2107         try {
2108                 engine->start();
2109         }
2110
2111         catch (...) {
2112                 engine->stop ();
2113                 error << _("Unable to start the session running")
2114                       << endmsg;
2115                 unload_session ();
2116                 return -2;
2117         }
2118
2119         return 0;
2120 }
2121
2122 void
2123 ARDOUR_UI::update_clocks ()
2124 {
2125         if (!editor || !editor->dragging_playhead()) {
2126                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2127         }
2128 }
2129
2130 void
2131 ARDOUR_UI::start_clocking ()
2132 {
2133         if (Config->get_super_rapid_clock_update()) {
2134                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2135         } else {
2136                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2137         }
2138 }
2139
2140 void
2141 ARDOUR_UI::stop_clocking ()
2142 {
2143         clock_signal_connection.disconnect ();
2144 }
2145
2146 gint
2147 ARDOUR_UI::_blink (void *arg)
2148 {
2149         ((ARDOUR_UI *) arg)->blink ();
2150         return TRUE;
2151 }
2152
2153 void
2154 ARDOUR_UI::blink ()
2155 {
2156         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2157 }
2158
2159 void
2160 ARDOUR_UI::start_blinking ()
2161 {
2162         /* Start the blink signal. Everybody with a blinking widget
2163            uses Blink to drive the widget's state.
2164         */
2165
2166         if (blink_timeout_tag < 0) {
2167                 blink_on = false;
2168                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2169         }
2170 }
2171
2172 void
2173 ARDOUR_UI::stop_blinking ()
2174 {
2175         if (blink_timeout_tag >= 0) {
2176                 g_source_remove (blink_timeout_tag);
2177                 blink_timeout_tag = -1;
2178         }
2179 }
2180
2181
2182 /** Ask the user for the name of a new snapshot and then take it.
2183  */
2184
2185 void
2186 ARDOUR_UI::snapshot_session (bool switch_to_it)
2187 {
2188         ArdourPrompter prompter (true);
2189         string snapname;
2190
2191         prompter.set_name ("Prompter");
2192         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2193         prompter.set_title (_("Take Snapshot"));
2194         prompter.set_prompt (_("Name of new snapshot"));
2195
2196         if (!switch_to_it) {
2197                 char timebuf[128];
2198                 time_t n;
2199                 struct tm local_time;
2200
2201                 time (&n);
2202                 localtime_r (&n, &local_time);
2203                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2204                 prompter.set_initial_text (timebuf);
2205         }
2206
2207   again:
2208         switch (prompter.run()) {
2209         case RESPONSE_ACCEPT:
2210         {
2211                 prompter.get_result (snapname);
2212
2213                 bool do_save = (snapname.length() != 0);
2214
2215                 if (do_save) {
2216                         char illegal = Session::session_name_is_legal(snapname);
2217                         if (illegal) {
2218                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2219                                                      "snapshot names may not contain a '%1' character"), illegal));
2220                                 msg.run ();
2221                                 goto again;
2222                         }
2223                 }
2224
2225                 vector<std::string> p;
2226                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2227                 vector<string> n = get_file_names_no_extension (p);
2228                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2229
2230                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2231                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2232                         confirm.get_vbox()->pack_start (m, true, true);
2233                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2234                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2235                         confirm.show_all ();
2236                         switch (confirm.run()) {
2237                         case RESPONSE_CANCEL:
2238                                 do_save = false;
2239                         }
2240                 }
2241
2242                 if (do_save) {
2243                         save_state (snapname, switch_to_it);
2244                 }
2245                 break;
2246         }
2247
2248         default:
2249                 break;
2250         }
2251 }
2252
2253 /** Ask the user for a new session name and then rename the session to it.
2254  */
2255
2256 void
2257 ARDOUR_UI::rename_session ()
2258 {
2259         if (!_session) {
2260                 return;
2261         }
2262
2263         ArdourPrompter prompter (true);
2264         string name;
2265
2266         prompter.set_name ("Prompter");
2267         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2268         prompter.set_title (_("Rename Session"));
2269         prompter.set_prompt (_("New session name"));
2270
2271   again:
2272         switch (prompter.run()) {
2273         case RESPONSE_ACCEPT:
2274         {
2275                 prompter.get_result (name);
2276
2277                 bool do_rename = (name.length() != 0);
2278
2279                 if (do_rename) {
2280                         char illegal = Session::session_name_is_legal (name);
2281
2282                         if (illegal) {
2283                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2284                                                                      "session names may not contain a '%1' character"), illegal));
2285                                 msg.run ();
2286                                 goto again;
2287                         }
2288
2289                         switch (_session->rename (name)) {
2290                         case -1: {
2291                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2292                                 msg.set_position (WIN_POS_MOUSE);
2293                                 msg.run ();
2294                                 goto again;
2295                                 break;
2296                         }
2297                         case 0:
2298                                 break;
2299                         default: {
2300                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2301                                 msg.set_position (WIN_POS_MOUSE);
2302                                 msg.run ();
2303                                 break;
2304                         }
2305                         }
2306                 }
2307
2308                 break;
2309         }
2310
2311         default:
2312                 break;
2313         }
2314 }
2315
2316 void
2317 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2318 {
2319         XMLNode* node = new XMLNode (X_("UI"));
2320
2321         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2322                 if (!(*i)->rc_configured()) {
2323                         node->add_child_nocopy (*((*i)->get_state ()));
2324                 }
2325         }
2326
2327         node->add_child_nocopy (gui_object_state->get_state());
2328
2329         _session->add_extra_xml (*node);
2330
2331         save_state_canfail (name, switch_to_it);
2332 }
2333
2334 int
2335 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2336 {
2337         if (_session) {
2338                 int ret;
2339
2340                 if (name.length() == 0) {
2341                         name = _session->snap_name();
2342                 }
2343
2344                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2345                         return ret;
2346                 }
2347         }
2348
2349         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2350         editor->save_canvas_state ();
2351         return 0;
2352 }
2353
2354 void
2355 ARDOUR_UI::primary_clock_value_changed ()
2356 {
2357         if (_session) {
2358                 _session->request_locate (primary_clock->current_time ());
2359         }
2360 }
2361
2362 void
2363 ARDOUR_UI::big_clock_value_changed ()
2364 {
2365         if (_session) {
2366                 _session->request_locate (big_clock->current_time ());
2367         }
2368 }
2369
2370 void
2371 ARDOUR_UI::secondary_clock_value_changed ()
2372 {
2373         if (_session) {
2374                 _session->request_locate (secondary_clock->current_time ());
2375         }
2376 }
2377
2378 void
2379 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2380 {
2381         if (_session == 0) {
2382                 return;
2383         }
2384
2385         if (_session->step_editing()) {
2386                 return;
2387         }
2388
2389         Session::RecordState const r = _session->record_status ();
2390         bool const h = _session->have_rec_enabled_track ();
2391
2392         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2393                 if (onoff) {
2394                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2395                 } else {
2396                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2397                 }
2398         } else if (r == Session::Recording && h) {
2399                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2400         } else {
2401                 rec_button.unset_active_state ();
2402         }
2403 }
2404
2405 void
2406 ARDOUR_UI::save_template ()
2407 {
2408         ArdourPrompter prompter (true);
2409         string name;
2410
2411         if (!check_audioengine()) {
2412                 return;
2413         }
2414
2415         prompter.set_name (X_("Prompter"));
2416         prompter.set_title (_("Save Template"));
2417         prompter.set_prompt (_("Name for template:"));
2418         prompter.set_initial_text(_session->name() + _("-template"));
2419         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2420
2421         switch (prompter.run()) {
2422         case RESPONSE_ACCEPT:
2423                 prompter.get_result (name);
2424
2425                 if (name.length()) {
2426                         _session->save_template (name);
2427                 }
2428                 break;
2429
2430         default:
2431                 break;
2432         }
2433 }
2434
2435 void
2436 ARDOUR_UI::edit_metadata ()
2437 {
2438         SessionMetadataEditor dialog;
2439         dialog.set_session (_session);
2440         editor->ensure_float (dialog);
2441         dialog.run ();
2442 }
2443
2444 void
2445 ARDOUR_UI::import_metadata ()
2446 {
2447         SessionMetadataImporter dialog;
2448         dialog.set_session (_session);
2449         editor->ensure_float (dialog);
2450         dialog.run ();
2451 }
2452
2453 bool
2454 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2455 {
2456         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2457
2458         MessageDialog msg (str,
2459                            false,
2460                            Gtk::MESSAGE_WARNING,
2461                            Gtk::BUTTONS_YES_NO,
2462                            true);
2463
2464
2465         msg.set_name (X_("OpenExistingDialog"));
2466         msg.set_title (_("Open Existing Session"));
2467         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2468         msg.set_position (Gtk::WIN_POS_MOUSE);
2469         pop_back_splash (msg);
2470
2471         switch (msg.run()) {
2472         case RESPONSE_YES:
2473                 return true;
2474                 break;
2475         }
2476         return false;
2477 }
2478
2479 int
2480 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2481 {
2482         BusProfile bus_profile;
2483
2484         if (nsm || Profile->get_sae()) {
2485
2486                 bus_profile.master_out_channels = 2;
2487                 bus_profile.input_ac = AutoConnectPhysical;
2488                 bus_profile.output_ac = AutoConnectMaster;
2489                 bus_profile.requested_physical_in = 0; // use all available
2490                 bus_profile.requested_physical_out = 0; // use all available
2491
2492         } else {
2493
2494                 /* get settings from advanced section of NSD */
2495
2496                 if (_startup->create_master_bus()) {
2497                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2498                 } else {
2499                         bus_profile.master_out_channels = 0;
2500                 }
2501
2502                 if (_startup->connect_inputs()) {
2503                         bus_profile.input_ac = AutoConnectPhysical;
2504                 } else {
2505                         bus_profile.input_ac = AutoConnectOption (0);
2506                 }
2507
2508                 bus_profile.output_ac = AutoConnectOption (0);
2509
2510                 if (_startup->connect_outputs ()) {
2511                         if (_startup->connect_outs_to_master()) {
2512                                 bus_profile.output_ac = AutoConnectMaster;
2513                         } else if (_startup->connect_outs_to_physical()) {
2514                                 bus_profile.output_ac = AutoConnectPhysical;
2515                         }
2516                 }
2517
2518                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2519                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2520         }
2521
2522         if (build_session (session_path, session_name, bus_profile)) {
2523                 return -1;
2524         }
2525
2526         return 0;
2527 }
2528
2529 void
2530 ARDOUR_UI::idle_load (const std::string& path)
2531 {
2532         if (_session) {
2533                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2534                         /* /path/to/foo => /path/to/foo, foo */
2535                         load_session (path, basename_nosuffix (path));
2536                 } else {
2537                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2538                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2539                 }
2540
2541         } else {
2542                 ARDOUR_COMMAND_LINE::session_name = path;
2543         }
2544 }
2545
2546 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2547 int
2548 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2549 {
2550         string session_name;
2551         string session_path;
2552         string template_name;
2553         int ret = -1;
2554         bool likely_new = false;
2555
2556         /* deal with any existing DIRTY session now, rather than later. don't
2557          * treat a non-dirty session this way, so that it stays visible
2558          * as we bring up the new session dialog.
2559          */
2560 #ifdef WITH_VIDEOTIMELINE
2561         if (_session && ARDOUR_UI::instance()->video_timeline) {
2562                 ARDOUR_UI::instance()->video_timeline->close_session();
2563         }
2564 #endif
2565         if (_session && _session->dirty()) {
2566                 if (unload_session (false)) {
2567                         /* unload cancelled by user */
2568                         return 0;
2569                 }
2570                 ARDOUR_COMMAND_LINE::session_name = "";
2571         }
2572
2573         if (!load_template.empty()) {
2574                 should_be_new = true;
2575                 template_name = load_template;
2576         }
2577
2578         while (ret != 0) {
2579
2580                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2581
2582                         /* if they named a specific statefile, use it, otherwise they are
2583                            just giving a session folder, and we want to use it as is
2584                            to find the session.
2585                         */
2586
2587                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2588
2589                         if (suffix != string::npos) {
2590                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2591                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2592                                 session_name = Glib::path_get_basename (session_name);
2593                         } else {
2594                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2595                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2596                         }
2597                 } else {
2598                         session_path = "";
2599                         session_name = "";
2600                 }
2601
2602                 delete _startup;
2603                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2604
2605                 if (!_startup->ready_without_display()) {
2606                         _startup->present ();
2607                         main().run();
2608                         _startup->hide ();
2609                 }
2610
2611                 switch (_startup->response()) {
2612                 case RESPONSE_OK:
2613                         break;
2614                 default:
2615                         if (quit_on_cancel) {
2616                                 exit (1);
2617                         } else {
2618                                 return ret;
2619                         }
2620                 }
2621
2622                 /* if we run the startup dialog again, offer more than just "new session" */
2623
2624                 should_be_new = false;
2625
2626                 session_name = _startup->session_name (likely_new);
2627
2628                 if (nsm) {
2629                         likely_new = true;
2630                 }
2631
2632                 string::size_type suffix = session_name.find (statefile_suffix);
2633
2634                 if (suffix != string::npos) {
2635                         session_name = session_name.substr (0, suffix);
2636                 }
2637
2638                 /* this shouldn't happen, but we catch it just in case it does */
2639
2640                 if (session_name.empty()) {
2641                         continue;
2642                 }
2643
2644                 if (_startup->use_session_template()) {
2645                         template_name = _startup->session_template_name();
2646                         _session_is_new = true;
2647                 }
2648
2649                 if (session_name[0] == G_DIR_SEPARATOR ||
2650                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2651                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2652
2653                         /* absolute path or cwd-relative path specified for session name: infer session folder
2654                            from what was given.
2655                         */
2656
2657                         session_path = Glib::path_get_dirname (session_name);
2658                         session_name = Glib::path_get_basename (session_name);
2659
2660                 } else {
2661
2662                         session_path = _startup->session_folder();
2663
2664                         char illegal = Session::session_name_is_legal (session_name);
2665
2666                         if (illegal) {
2667                                 MessageDialog msg (*_startup,
2668                                                    string_compose (_("To ensure compatibility with various systems\n"
2669                                                                      "session names may not contain a '%1' character"),
2670                                                                    illegal));
2671                                 msg.run ();
2672                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2673                                 continue;
2674                         }
2675                 }
2676
2677                 if (create_engine ()) {
2678                         break;
2679                 }
2680
2681                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2682
2683                         if (likely_new && !nsm) {
2684
2685                                 std::string existing = Glib::build_filename (session_path, session_name);
2686
2687                                 if (!ask_about_loading_existing_session (existing)) {
2688                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2689                                         continue;
2690                                 }
2691                         }
2692
2693                         _session_is_new = false;
2694
2695                 } else {
2696
2697                         if (!likely_new) {
2698                                 if (_startup) {
2699                                         pop_back_splash (*_startup);
2700                                 } else {
2701                                         hide_splash ();
2702                                 }
2703
2704                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2705                                 msg.run ();
2706                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2707                                 continue;
2708                         }
2709
2710                         char illegal = Session::session_name_is_legal(session_name);
2711                         if (illegal) {
2712                                 pop_back_splash (*_startup);
2713                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2714                                                      "session names may not contain a '%1' character"), illegal));
2715                                 msg.run ();
2716                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2717                                 continue;
2718                         }
2719
2720                         _session_is_new = true;
2721                 }
2722
2723                 if (likely_new && template_name.empty()) {
2724
2725                         ret = build_session_from_nsd (session_path, session_name);
2726
2727                 } else {
2728
2729                         ret = load_session (session_path, session_name, template_name);
2730
2731                         if (ret == -2) {
2732                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2733                                 exit (1);
2734                         }
2735
2736                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2737                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2738                                 exit (1);
2739                         }
2740                 }
2741         }
2742
2743         return ret;
2744 }
2745
2746 void
2747 ARDOUR_UI::close_session()
2748 {
2749 #ifdef WITH_VIDEOTIMELINE
2750         ARDOUR_UI::instance()->video_timeline->close_session();
2751 #endif
2752         if (!check_audioengine()) {
2753                 return;
2754         }
2755
2756         if (unload_session (true)) {
2757                 return;
2758         }
2759
2760         ARDOUR_COMMAND_LINE::session_name = "";
2761
2762         if (get_session_parameters (true, false)) {
2763                 exit (1);
2764         }
2765
2766         goto_editor_window ();
2767 }
2768
2769 /** @param snap_name Snapshot name (without .ardour suffix).
2770  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2771  */
2772 int
2773 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2774 {
2775         Session *new_session;
2776         int unload_status;
2777         int retval = -1;
2778
2779         session_loaded = false;
2780
2781         if (!check_audioengine()) {
2782                 return -2;
2783         }
2784
2785         unload_status = unload_session ();
2786
2787         if (unload_status < 0) {
2788                 goto out;
2789         } else if (unload_status > 0) {
2790                 retval = 0;
2791                 goto out;
2792         }
2793
2794         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2795
2796         try {
2797                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2798         }
2799
2800         /* this one is special */
2801
2802         catch (AudioEngine::PortRegistrationFailure& err) {
2803
2804                 MessageDialog msg (err.what(),
2805                                    true,
2806                                    Gtk::MESSAGE_INFO,
2807                                    Gtk::BUTTONS_CLOSE);
2808
2809                 msg.set_title (_("Port Registration Error"));
2810                 msg.set_secondary_text (_("Click the Close button to try again."));
2811                 msg.set_position (Gtk::WIN_POS_CENTER);
2812                 pop_back_splash (msg);
2813                 msg.present ();
2814
2815                 int response = msg.run ();
2816
2817                 msg.hide ();
2818
2819                 switch (response) {
2820                 case RESPONSE_CANCEL:
2821                         exit (1);
2822                 default:
2823                         break;
2824                 }
2825                 goto out;
2826         }
2827
2828         catch (...) {
2829
2830                 MessageDialog msg (string_compose(
2831                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2832                                            path, snap_name),
2833                                    true,
2834                                    Gtk::MESSAGE_INFO,
2835                                    BUTTONS_OK);
2836
2837                 msg.set_title (_("Loading Error"));
2838                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2839                 msg.add_button (Stock::REFRESH, 1);
2840                 msg.set_position (Gtk::WIN_POS_CENTER);
2841                 pop_back_splash (msg);
2842                 msg.present ();
2843
2844                 int response = msg.run ();
2845
2846                 switch (response) {
2847                 case 1:
2848                         break;
2849                 default:
2850                         exit (1);
2851                 }
2852
2853                 msg.hide ();
2854
2855                 goto out;
2856         }
2857
2858         {
2859                 list<string> const u = new_session->unknown_processors ();
2860                 if (!u.empty()) {
2861                         MissingPluginDialog d (_session, u);
2862                         d.run ();
2863                 }
2864         }
2865
2866         /* Now the session been created, add the transport controls */
2867         new_session->add_controllable(roll_controllable);
2868         new_session->add_controllable(stop_controllable);
2869         new_session->add_controllable(goto_start_controllable);
2870         new_session->add_controllable(goto_end_controllable);
2871         new_session->add_controllable(auto_loop_controllable);
2872         new_session->add_controllable(play_selection_controllable);
2873         new_session->add_controllable(rec_controllable);
2874
2875         set_session (new_session);
2876
2877         session_loaded = true;
2878
2879         goto_editor_window ();
2880
2881         if (_session) {
2882                 _session->set_clean ();
2883         }
2884
2885         flush_pending ();
2886         retval = 0;
2887
2888   out:
2889         return retval;
2890 }
2891
2892 int
2893 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2894 {
2895         Session *new_session;
2896         int x;
2897
2898         if (!check_audioengine()) {
2899                 return -1;
2900         }
2901
2902         session_loaded = false;
2903
2904         x = unload_session ();
2905
2906         if (x < 0) {
2907                 return -1;
2908         } else if (x > 0) {
2909                 return 0;
2910         }
2911
2912         _session_is_new = true;
2913
2914         try {
2915                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2916         }
2917
2918         catch (...) {
2919
2920                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2921                 pop_back_splash (msg);
2922                 msg.run ();
2923                 return -1;
2924         }
2925
2926         /* Give the new session the default GUI state, if such things exist */
2927
2928         XMLNode* n;
2929         n = Config->instant_xml (X_("Editor"));
2930         if (n) {
2931                 new_session->add_instant_xml (*n, false);
2932         }
2933         n = Config->instant_xml (X_("Mixer"));
2934         if (n) {
2935                 new_session->add_instant_xml (*n, false);
2936         }
2937
2938         /* Put the playhead at 0 and scroll fully left */
2939         n = new_session->instant_xml (X_("Editor"));
2940         if (n) {
2941                 n->add_property (X_("playhead"), X_("0"));
2942                 n->add_property (X_("left-frame"), X_("0"));
2943         }
2944
2945         set_session (new_session);
2946
2947         session_loaded = true;
2948
2949         new_session->save_state(new_session->name());
2950
2951         return 0;
2952 }
2953
2954 void
2955 ARDOUR_UI::launch_chat ()
2956 {
2957 #ifdef __APPLE__
2958         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2959 #else
2960         open_uri("http://webchat.freenode.net/?channels=ardour");
2961 #endif
2962 }
2963
2964 void
2965 ARDOUR_UI::show_about ()
2966 {
2967         if (about == 0) {
2968                 about = new About;
2969                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2970         }
2971
2972         about->set_transient_for(*editor);
2973         about->show_all ();
2974 }
2975
2976 void
2977 ARDOUR_UI::launch_manual ()
2978 {
2979         PBD::open_uri (Config->get_tutorial_manual_url());
2980 }
2981
2982 void
2983 ARDOUR_UI::launch_reference ()
2984 {
2985         PBD::open_uri (Config->get_reference_manual_url());
2986 }
2987
2988 void
2989 ARDOUR_UI::hide_about ()
2990 {
2991         if (about) {
2992                 about->get_window()->set_cursor ();
2993                 about->hide ();
2994         }
2995 }
2996
2997 void
2998 ARDOUR_UI::about_signal_response (int /*response*/)
2999 {
3000         hide_about();
3001 }
3002
3003 void
3004 ARDOUR_UI::loading_message (const std::string& msg)
3005 {
3006         if (ARDOUR_COMMAND_LINE::no_splash) {
3007                 return;
3008         }
3009
3010         if (!splash) {
3011                 show_splash ();
3012         }
3013
3014         splash->message (msg);
3015 }
3016
3017 void
3018 ARDOUR_UI::show_splash ()
3019 {
3020         if (splash == 0) {
3021                 try {
3022                         splash = new Splash;
3023                 } catch (...) {
3024                         return;
3025                 }
3026         }
3027
3028         splash->display ();
3029 }
3030
3031 void
3032 ARDOUR_UI::hide_splash ()
3033 {
3034         delete splash;
3035         splash = 0;
3036 }
3037
3038 void
3039 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3040 {
3041         size_t removed;
3042
3043         removed = rep.paths.size();
3044
3045         if (removed == 0) {
3046                 MessageDialog msgd (*editor,
3047                                     _("No files were ready for clean-up"),
3048                                     true,
3049                                     Gtk::MESSAGE_INFO,
3050                                     Gtk::BUTTONS_OK);
3051                 msgd.set_title (_("Clean-up"));
3052                 msgd.set_secondary_text (_("If this seems suprising, \n\
3053 check for any existing snapshots.\n\
3054 These may still include regions that\n\
3055 require some unused files to continue to exist."));
3056
3057                 msgd.run ();
3058                 return;
3059         }
3060
3061         ArdourDialog results (_("Clean-up"), true, false);
3062
3063         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3064             CleanupResultsModelColumns() {
3065                     add (visible_name);
3066                     add (fullpath);
3067             }
3068             Gtk::TreeModelColumn<std::string> visible_name;
3069             Gtk::TreeModelColumn<std::string> fullpath;
3070         };
3071
3072
3073         CleanupResultsModelColumns results_columns;
3074         Glib::RefPtr<Gtk::ListStore> results_model;
3075         Gtk::TreeView results_display;
3076
3077         results_model = ListStore::create (results_columns);
3078         results_display.set_model (results_model);
3079         results_display.append_column (list_title, results_columns.visible_name);
3080
3081         results_display.set_name ("CleanupResultsList");
3082         results_display.set_headers_visible (true);
3083         results_display.set_headers_clickable (false);
3084         results_display.set_reorderable (false);
3085
3086         Gtk::ScrolledWindow list_scroller;
3087         Gtk::Label txt;
3088         Gtk::VBox dvbox;
3089         Gtk::HBox dhbox;  // the hbox for the image and text
3090         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3091         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3092
3093         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3094
3095         const string dead_directory = _session->session_directory().dead_path();
3096
3097         /* subst:
3098            %1 - number of files removed
3099            %2 - location of "dead"
3100            %3 - size of files affected
3101            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3102         */
3103
3104         const char* bprefix;
3105         double space_adjusted = 0;
3106
3107         if (rep.space < 1000) {
3108                 bprefix = X_("");
3109                 space_adjusted = rep.space;
3110         } else if (rep.space < 1000000) {
3111                 bprefix = _("kilo");
3112                 space_adjusted = truncf((float)rep.space / 1000.0);
3113         } else if (rep.space < 1000000 * 1000) {
3114                 bprefix = _("mega");
3115                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3116         } else {
3117                 bprefix = _("giga");
3118                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3119         }
3120
3121         if (msg_delete) {
3122                 txt.set_markup (string_compose (P_("\
3123 The following file was deleted from %2,\n\
3124 releasing %3 %4bytes of disk space", "\
3125 The following %1 files were deleted from %2,\n\
3126 releasing %3 %4bytes of disk space", removed),
3127                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3128         } else {
3129                 txt.set_markup (string_compose (P_("\
3130 The following file was not in use and \n\
3131 has been moved to: %2\n\n\
3132 After a restart of %5\n\n\
3133 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3134 will release an additional %3 %4bytes of disk space.\n", "\
3135 The following %1 files were not in use and \n\
3136 have been moved to: %2\n\n\
3137 After a restart of %5\n\n\
3138 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3139 will release an additional %3 %4bytes of disk space.\n", removed),
3140                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3141         }
3142
3143         dhbox.pack_start (*dimage, true, false, 5);
3144         dhbox.pack_start (txt, true, false, 5);
3145
3146         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3147                 TreeModel::Row row = *(results_model->append());
3148                 row[results_columns.visible_name] = *i;
3149                 row[results_columns.fullpath] = *i;
3150         }
3151
3152         list_scroller.add (results_display);
3153         list_scroller.set_size_request (-1, 150);
3154         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3155
3156         dvbox.pack_start (dhbox, true, false, 5);
3157         dvbox.pack_start (list_scroller, true, false, 5);
3158         ddhbox.pack_start (dvbox, true, false, 5);
3159
3160         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3161         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3162         results.set_default_response (RESPONSE_CLOSE);
3163         results.set_position (Gtk::WIN_POS_MOUSE);
3164
3165         results_display.show();
3166         list_scroller.show();
3167         txt.show();
3168         dvbox.show();
3169         dhbox.show();
3170         ddhbox.show();
3171         dimage->show();
3172
3173         //results.get_vbox()->show();
3174         results.set_resizable (false);
3175
3176         results.run ();
3177
3178 }
3179
3180 void
3181 ARDOUR_UI::cleanup ()
3182 {
3183         if (_session == 0) {
3184                 /* shouldn't happen: menu item is insensitive */
3185                 return;
3186         }
3187
3188
3189         MessageDialog checker (_("Are you sure you want to clean-up?"),
3190                                 true,
3191                                 Gtk::MESSAGE_QUESTION,
3192                                 Gtk::BUTTONS_NONE);
3193
3194         checker.set_title (_("Clean-up"));
3195
3196         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3197 ALL undo/redo information will be lost if you clean-up.\n\
3198 Clean-up will move all unused files to a \"dead\" location."));
3199
3200         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3201         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3202         checker.set_default_response (RESPONSE_CANCEL);
3203
3204         checker.set_name (_("CleanupDialog"));
3205         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3206         checker.set_position (Gtk::WIN_POS_MOUSE);
3207
3208         switch (checker.run()) {
3209         case RESPONSE_ACCEPT:
3210                 break;
3211         default:
3212                 return;
3213         }
3214
3215         ARDOUR::CleanupReport rep;
3216
3217         editor->prepare_for_cleanup ();
3218
3219         /* do not allow flush until a session is reloaded */
3220
3221         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3222         if (act) {
3223                 act->set_sensitive (false);
3224         }
3225
3226         if (_session->cleanup_sources (rep)) {
3227                 editor->finish_cleanup ();
3228                 return;
3229         }
3230
3231         editor->finish_cleanup ();
3232
3233         checker.hide();
3234         display_cleanup_results (rep, _("Cleaned Files"), false);
3235 }
3236
3237 void
3238 ARDOUR_UI::flush_trash ()
3239 {
3240         if (_session == 0) {
3241                 /* shouldn't happen: menu item is insensitive */
3242                 return;
3243         }
3244
3245         ARDOUR::CleanupReport rep;
3246
3247         if (_session->cleanup_trash_sources (rep)) {
3248                 return;
3249         }
3250
3251         display_cleanup_results (rep, _("deleted file"), true);
3252 }
3253
3254 void
3255 ARDOUR_UI::add_route (Gtk::Window* float_window)
3256 {
3257         int count;
3258
3259         if (!_session) {
3260                 return;
3261         }
3262
3263         if (add_route_dialog == 0) {
3264                 add_route_dialog = new AddRouteDialog (_session);
3265                 add_route_dialog->set_position (WIN_POS_MOUSE);
3266                 if (float_window) {
3267                         add_route_dialog->set_transient_for (*float_window);
3268                 }
3269         }
3270
3271         if (add_route_dialog->is_visible()) {
3272                 /* we're already doing this */
3273                 return;
3274         }
3275
3276         ResponseType r = (ResponseType) add_route_dialog->run ();
3277
3278         add_route_dialog->hide();
3279
3280         switch (r) {
3281                 case RESPONSE_ACCEPT:
3282                         break;
3283                 default:
3284                         return;
3285                         break;
3286         }
3287
3288         if ((count = add_route_dialog->count()) <= 0) {
3289                 return;
3290         }
3291
3292         PBD::ScopedConnection idle_connection;
3293
3294         if (count > 8) {
3295                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3296         }
3297
3298         string template_path = add_route_dialog->track_template();
3299
3300         if (!template_path.empty()) {
3301                 if (add_route_dialog->name_template_is_default())  {
3302                         _session->new_route_from_template (count, template_path, string());
3303                 } else {
3304                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3305                 }
3306                 return;
3307         }
3308
3309         ChanCount input_chan= add_route_dialog->channels ();
3310         ChanCount output_chan;
3311         string name_template = add_route_dialog->name_template ();
3312         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3313         RouteGroup* route_group = add_route_dialog->route_group ();
3314         AutoConnectOption oac = Config->get_output_auto_connect();
3315
3316         if (oac & AutoConnectMaster) {
3317                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3318                 output_chan.set (DataType::MIDI, 0);
3319         } else {
3320                 output_chan = input_chan;
3321         }
3322
3323         /* XXX do something with name template */
3324
3325         switch (add_route_dialog->type_wanted()) {
3326         case AddRouteDialog::AudioTrack:
3327                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3328                 break;
3329         case AddRouteDialog::MidiTrack:
3330                 session_add_midi_track (route_group, count, name_template, instrument);
3331                 break;
3332         case AddRouteDialog::MixedTrack:
3333                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3334                 break;
3335         case AddRouteDialog::AudioBus:
3336                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3337                 break;
3338         }
3339
3340         /* idle connection will end at scope end */
3341 }
3342
3343 #ifdef WITH_VIDEOTIMELINE
3344 void
3345 ARDOUR_UI::stop_video_server (bool ask_confirm)
3346 {
3347         if (!video_server_process && ask_confirm) {
3348                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3349         }
3350         if (video_server_process) {
3351                 if(ask_confirm) {
3352                         ArdourDialog confirm (_("Stop Video-Server"), true);
3353                         Label m (_("Do you really want to stop the Video Server?"));
3354                         confirm.get_vbox()->pack_start (m, true, true);
3355                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3356                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3357                         confirm.show_all ();
3358                         if (confirm.run() == RESPONSE_CANCEL) {
3359                                 return;
3360                         }
3361                 }
3362                 delete video_server_process;
3363                 video_server_process =0;
3364         }
3365 }
3366
3367 void
3368 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3369 {
3370   ARDOUR_UI::start_video_server( float_window, true);
3371 }
3372
3373 bool
3374 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3375 {
3376         if (!_session) {
3377                 return false;
3378         }
3379         if (popup_msg) {
3380                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3381                         if (video_server_process) {
3382                                 popup_error(_("The Video Server is already started."));
3383                         } else {
3384                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3385                         }
3386                 }
3387         }
3388
3389         int firsttime = 0;
3390         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3391                 if (firsttime++) {
3392                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3393                 }
3394                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3395                 if (float_window) {
3396                         video_server_dialog->set_transient_for (*float_window);
3397                 }
3398
3399                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3400                         video_server_dialog->hide();
3401                 } else {
3402                         ResponseType r = (ResponseType) video_server_dialog->run ();
3403                         video_server_dialog->hide();
3404                         if (r != RESPONSE_ACCEPT) { return false; }
3405                         if (video_server_dialog->show_again()) {
3406                                 Config->set_show_video_server_dialog(false);
3407                         }
3408                 }
3409
3410                 std::string icsd_exec = video_server_dialog->get_exec_path();
3411                 std::string icsd_docroot = video_server_dialog->get_docroot();
3412                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3413
3414                 struct stat sb;
3415                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3416                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3417                         continue;
3418                 }
3419                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3420                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3421                         warning << _("Given Video Server is not an executable file.") << endmsg;
3422                         continue;
3423                 }
3424
3425                 char **argp;
3426                 argp=(char**) calloc(9,sizeof(char*));
3427                 argp[0] = strdup(icsd_exec.c_str());
3428                 argp[1] = strdup("-P");
3429                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3430                 argp[3] = strdup("-p");
3431                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3432                 argp[5] = strdup("-C");
3433                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3434                 argp[7] = strdup(icsd_docroot.c_str());
3435                 argp[8] = 0;
3436                 stop_video_server();
3437
3438                 if (icsd_docroot == X_("/")) {
3439                         Config->set_video_advanced_setup(false);
3440                 } else {
3441                         std::ostringstream osstream;
3442                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3443                         Config->set_video_server_url(osstream.str());
3444                         Config->set_video_server_docroot(icsd_docroot);
3445                         Config->set_video_advanced_setup(true);
3446                 }
3447
3448                 video_server_process = new SystemExec(icsd_exec, argp);
3449                 video_server_process->start();
3450                 sleep(1);
3451         }
3452         return true;
3453 }
3454
3455 void
3456 ARDOUR_UI::add_video (Gtk::Window* float_window)
3457 {
3458         if (!_session) {
3459                 return;
3460         }
3461
3462         if (!start_video_server(float_window, false)) {
3463                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3464                 return;
3465         }
3466
3467         if (add_video_dialog == 0) {
3468                 add_video_dialog = new AddVideoDialog (_session);
3469                 if (float_window) {
3470                         add_video_dialog->set_transient_for (*float_window);
3471                 }
3472         }
3473
3474         if (add_video_dialog->is_visible()) {
3475                 /* we're already doing this */
3476                 return;
3477         }
3478         ResponseType r = (ResponseType) add_video_dialog->run ();
3479         add_video_dialog->hide();
3480         if (r != RESPONSE_ACCEPT) { return; }
3481
3482         bool local_file;
3483         std::string path = add_video_dialog->file_name(local_file);
3484         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3485
3486         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3487                 warning << string_compose(_("could not open %1"), path) << endmsg;
3488                 return;
3489         }
3490         if (!local_file && path.length() == 0) {
3491                 warning << _("no video-file selected") << endmsg;
3492                 return;
3493         }
3494
3495         switch (add_video_dialog->import_option()) {
3496                 case VTL_IMPORT_TRANSCODE:
3497                         {
3498                                 TranscodeVideoDialog *transcode_video_dialog;
3499                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3500                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3501                                 transcode_video_dialog->hide();
3502                                 if (r != RESPONSE_ACCEPT) {
3503                                         delete transcode_video_dialog;
3504                                         return;
3505                                 }
3506                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3507                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3508                                 }
3509                                 switch (transcode_video_dialog->import_option()) {
3510                                         case VTL_IMPORT_TRANSCODED:
3511                                                 path = transcode_video_dialog->get_filename();
3512                                                 local_file = true;
3513                                                 break;
3514                                         case VTL_IMPORT_REFERENCE:
3515                                                 break;
3516                                         default:
3517                                                 delete transcode_video_dialog;
3518                                                 return;
3519                                 }
3520                                 delete transcode_video_dialog;
3521                         }
3522                         break;
3523                 default:
3524                 case VTL_IMPORT_NONE:
3525                         break;
3526         }
3527
3528         /* strip _session->session_directory().video_path() from video file if possible */
3529         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3530                  path=path.substr(_session->session_directory().video_path().size());
3531                  if (path.at(0) == G_DIR_SEPARATOR) {
3532                          path=path.substr(1);
3533                  }
3534         }
3535
3536         video_timeline->set_update_session_fps(auto_set_session_fps);
3537         if (video_timeline->video_file_info(path, local_file)) {
3538                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3539                 node->add_property (X_("Filename"), path);
3540                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3541                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3542                 _session->add_extra_xml (*node);
3543                 _session->set_dirty ();
3544
3545                 _session->maybe_update_session_range(
3546                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3547                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3548
3549
3550                 if (add_video_dialog->launch_xjadeo() && local_file) {
3551                         editor->set_xjadeo_sensitive(true);
3552                         editor->toggle_xjadeo_proc(1);
3553                 } else {
3554                         editor->toggle_xjadeo_proc(0);
3555                 }
3556                 editor->toggle_ruler_video(true);
3557         }
3558 }
3559
3560 void
3561 ARDOUR_UI::remove_video ()
3562 {
3563         video_timeline->close_session();
3564         editor->toggle_ruler_video(false);
3565
3566         /* delete session state */
3567         XMLNode* node = new XMLNode(X_("Videotimeline"));
3568         _session->add_extra_xml(*node);
3569         node = new XMLNode(X_("Videomonitor"));
3570         _session->add_extra_xml(*node);
3571         stop_video_server();
3572 }
3573
3574 void
3575 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3576 {
3577         if (localcacheonly) {
3578                 video_timeline->vmon_update();
3579         } else {
3580                 video_timeline->flush_cache();
3581         }
3582         editor->queue_visual_videotimeline_update();
3583 }
3584 #endif
3585
3586 XMLNode*
3587 ARDOUR_UI::mixer_settings () const
3588 {
3589         XMLNode* node = 0;
3590
3591         if (_session) {
3592                 node = _session->instant_xml(X_("Mixer"));
3593         } else {
3594                 node = Config->instant_xml(X_("Mixer"));
3595         }
3596
3597         if (!node) {
3598                 node = new XMLNode (X_("Mixer"));
3599         }
3600
3601         return node;
3602 }
3603
3604 XMLNode*
3605 ARDOUR_UI::editor_settings () const
3606 {
3607         XMLNode* node = 0;
3608
3609         if (_session) {
3610                 node = _session->instant_xml(X_("Editor"));
3611         } else {
3612                 node = Config->instant_xml(X_("Editor"));
3613         }
3614
3615         if (!node) {
3616                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3617                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3618                 }
3619         }
3620
3621         if (!node) {
3622                 node = new XMLNode (X_("Editor"));
3623         }
3624
3625         return node;
3626 }
3627
3628 XMLNode*
3629 ARDOUR_UI::keyboard_settings () const
3630 {
3631         XMLNode* node = 0;
3632
3633         node = Config->extra_xml(X_("Keyboard"));
3634
3635         if (!node) {
3636                 node = new XMLNode (X_("Keyboard"));
3637         }
3638
3639         return node;
3640 }
3641
3642 void
3643 ARDOUR_UI::create_xrun_marker (framepos_t where)
3644 {
3645         editor->mouse_add_new_marker (where, false, true);
3646 }
3647
3648 void
3649 ARDOUR_UI::halt_on_xrun_message ()
3650 {
3651         MessageDialog msg (*editor,
3652                            _("Recording was stopped because your system could not keep up."));
3653         msg.run ();
3654 }
3655
3656 void
3657 ARDOUR_UI::xrun_handler (framepos_t where)
3658 {
3659         if (!_session) {
3660                 return;
3661         }
3662
3663         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3664
3665         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3666                 create_xrun_marker(where);
3667         }
3668
3669         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3670                 halt_on_xrun_message ();
3671         }
3672 }
3673
3674 void
3675 ARDOUR_UI::disk_overrun_handler ()
3676 {
3677         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3678
3679         if (!have_disk_speed_dialog_displayed) {
3680                 have_disk_speed_dialog_displayed = true;
3681                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3682 The disk system on your computer\n\
3683 was not able to keep up with %1.\n\
3684 \n\
3685 Specifically, it failed to write data to disk\n\
3686 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3687                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3688                 msg->show ();
3689         }
3690 }
3691
3692 void
3693 ARDOUR_UI::disk_underrun_handler ()
3694 {
3695         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3696
3697         if (!have_disk_speed_dialog_displayed) {
3698                 have_disk_speed_dialog_displayed = true;
3699                 MessageDialog* msg = new MessageDialog (
3700                         *editor, string_compose (_("The disk system on your computer\n\
3701 was not able to keep up with %1.\n\
3702 \n\
3703 Specifically, it failed to read data from disk\n\
3704 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3705                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3706                 msg->show ();
3707         }
3708 }
3709
3710 void
3711 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3712 {
3713         have_disk_speed_dialog_displayed = false;
3714         delete msg;
3715 }
3716
3717 void
3718 ARDOUR_UI::session_dialog (std::string msg)
3719 {
3720         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3721
3722         MessageDialog* d;
3723
3724         if (editor) {
3725                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3726         } else {
3727                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3728         }
3729
3730         d->show_all ();
3731         d->run ();
3732         delete d;
3733 }
3734
3735 int
3736 ARDOUR_UI::pending_state_dialog ()
3737 {
3738         HBox* hbox = new HBox();
3739         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3740         ArdourDialog dialog (_("Crash Recovery"), true);
3741         Label  message (string_compose (_("\
3742 This session appears to have been in the\n\
3743 middle of recording when %1 or\n\
3744 the computer was shutdown.\n\
3745 \n\
3746 %1 can recover any captured audio for\n\
3747 you, or it can ignore it. Please decide\n\
3748 what you would like to do.\n"), PROGRAM_NAME));
3749         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3750         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3751         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3752         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3753         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3754         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3755         dialog.set_default_response (RESPONSE_ACCEPT);
3756         dialog.set_position (WIN_POS_CENTER);
3757         message.show();
3758         image->show();
3759         hbox->show();
3760
3761         switch (dialog.run ()) {
3762         case RESPONSE_ACCEPT:
3763                 return 1;
3764         default:
3765                 return 0;
3766         }
3767 }
3768
3769 int
3770 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3771 {
3772         HBox* hbox = new HBox();
3773         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3774         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3775         Label  message (string_compose (_("\
3776 This session was created with a sample rate of %1 Hz, but\n\
3777 %2 is currently running at %3 Hz.  If you load this session,\n\
3778 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3779
3780         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3781         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3782         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3783         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3784         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3785         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3786         dialog.set_default_response (RESPONSE_ACCEPT);
3787         dialog.set_position (WIN_POS_CENTER);
3788         message.show();
3789         image->show();
3790         hbox->show();
3791
3792         switch (dialog.run ()) {
3793         case RESPONSE_ACCEPT:
3794                 return 0;
3795         default:
3796                 return 1;
3797         }
3798 }
3799
3800
3801 void
3802 ARDOUR_UI::disconnect_from_jack ()
3803 {
3804         if (engine) {
3805                 if (engine->disconnect_from_jack ()) {
3806                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3807                         msg.run ();
3808                 }
3809
3810                 update_sample_rate (0);
3811         }
3812 }
3813
3814 void
3815 ARDOUR_UI::reconnect_to_jack ()
3816 {
3817         if (engine) {
3818                 if (engine->reconnect_to_jack ()) {
3819                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3820                         msg.run ();
3821                 }
3822
3823                 update_sample_rate (0);
3824         }
3825 }
3826
3827 void
3828 ARDOUR_UI::use_config ()
3829 {
3830         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3831         if (node) {
3832                 set_transport_controllable_state (*node);
3833         }
3834 }
3835
3836 void
3837 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3838 {
3839         if (Config->get_primary_clock_delta_edit_cursor()) {
3840                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3841         } else {
3842                 primary_clock->set (pos);
3843         }
3844
3845         if (Config->get_secondary_clock_delta_edit_cursor()) {
3846                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3847         } else {
3848                 secondary_clock->set (pos);
3849         }
3850
3851         if (big_clock_window->get()) {
3852                 big_clock->set (pos);
3853         }
3854 #ifdef WITH_VIDEOTIMELINE
3855         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3856 #endif
3857 }
3858
3859
3860 void
3861 ARDOUR_UI::step_edit_status_change (bool yn)
3862 {
3863         // XXX should really store pre-step edit status of things
3864         // we make insensitive
3865
3866         if (yn) {
3867                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3868                 rec_button.set_sensitive (false);
3869         } else {
3870                 rec_button.unset_active_state ();;
3871                 rec_button.set_sensitive (true);
3872         }
3873 }
3874
3875 void
3876 ARDOUR_UI::record_state_changed ()
3877 {
3878         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3879
3880         if (!_session || !big_clock_window->get()) {
3881                 /* why bother - the clock isn't visible */
3882                 return;
3883         }
3884
3885         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3886                 big_clock->set_active (true);
3887         } else {
3888                 big_clock->set_active (false);
3889         }
3890 }
3891
3892 bool
3893 ARDOUR_UI::first_idle ()
3894 {
3895         if (_session) {
3896                 _session->allow_auto_play (true);
3897         }
3898
3899         if (editor) {
3900                 editor->first_idle();
3901         }
3902
3903         Keyboard::set_can_save_keybindings (true);
3904         return false;
3905 }
3906
3907 void
3908 ARDOUR_UI::store_clock_modes ()
3909 {
3910         XMLNode* node = new XMLNode(X_("ClockModes"));
3911
3912         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3913                 XMLNode* child = new XMLNode (X_("Clock"));
3914
3915                 child->add_property (X_("name"), (*x)->name());
3916                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3917                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3918
3919                 node->add_child_nocopy (*child);
3920         }
3921
3922         _session->add_extra_xml (*node);
3923         _session->set_dirty ();
3924 }
3925
3926 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3927         : Controllable (name), ui (u), type(tp)
3928 {
3929
3930 }
3931
3932 void
3933 ARDOUR_UI::TransportControllable::set_value (double val)
3934 {
3935         if (val < 0.5) {
3936                 /* do nothing: these are radio-style actions */
3937                 return;
3938         }
3939
3940         const char *action = 0;
3941
3942         switch (type) {
3943         case Roll:
3944                 action = X_("Roll");
3945                 break;
3946         case Stop:
3947                 action = X_("Stop");
3948                 break;
3949         case GotoStart:
3950                 action = X_("GotoStart");
3951                 break;
3952         case GotoEnd:
3953                 action = X_("GotoEnd");
3954                 break;
3955         case AutoLoop:
3956                 action = X_("Loop");
3957                 break;
3958         case PlaySelection:
3959                 action = X_("PlaySelection");
3960                 break;
3961         case RecordEnable:
3962                 action = X_("Record");
3963                 break;
3964         default:
3965                 break;
3966         }
3967
3968         if (action == 0) {
3969                 return;
3970         }
3971
3972         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3973
3974         if (act) {
3975                 act->activate ();
3976         }
3977 }
3978
3979 double
3980 ARDOUR_UI::TransportControllable::get_value (void) const
3981 {
3982         float val = 0.0;
3983
3984         switch (type) {
3985         case Roll:
3986                 break;
3987         case Stop:
3988                 break;
3989         case GotoStart:
3990                 break;
3991         case GotoEnd:
3992                 break;
3993         case AutoLoop:
3994                 break;
3995         case PlaySelection:
3996                 break;
3997         case RecordEnable:
3998                 break;
3999         default:
4000                 break;
4001         }
4002
4003         return val;
4004 }
4005
4006 void
4007 ARDOUR_UI::setup_profile ()
4008 {
4009         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4010                 Profile->set_small_screen ();
4011         }
4012
4013         if (getenv ("ARDOUR_SAE")) {
4014                 Profile->set_sae ();
4015                 Profile->set_single_package ();
4016         }
4017 }
4018
4019 /** Add a window proxy to our list, so that its state will be saved.
4020  *  This call also causes the window to be created and opened if its
4021  *  state was saved as `visible'.
4022  */
4023 void
4024 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4025 {
4026         _window_proxies.push_back (p);
4027         p->maybe_show ();
4028 }
4029
4030 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4031  *  is deleted, to prevent hanging pointers.
4032  */
4033 void
4034 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4035 {
4036         _window_proxies.remove (p);
4037 }
4038
4039 int
4040 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4041 {
4042         MissingFileDialog dialog (s, str, type);
4043
4044         dialog.show ();
4045         dialog.present ();
4046
4047         int result = dialog.run ();
4048         dialog.hide ();
4049
4050         switch (result) {
4051         case RESPONSE_OK:
4052                 break;
4053         default:
4054                 return 1; // quit entire session load
4055         }
4056
4057         result = dialog.get_action ();
4058
4059         return result;
4060 }
4061
4062 int
4063 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4064 {
4065         AmbiguousFileDialog dialog (file, hits);
4066
4067         dialog.show ();
4068         dialog.present ();
4069
4070         dialog.run ();
4071         return dialog.get_which ();
4072 }
4073
4074 /** Allocate our thread-local buffers */
4075 void
4076 ARDOUR_UI::get_process_buffers ()
4077 {
4078         _process_thread->get_buffers ();
4079 }
4080
4081 /** Drop our thread-local buffers */
4082 void
4083 ARDOUR_UI::drop_process_buffers ()
4084 {
4085         _process_thread->drop_buffers ();
4086 }
4087
4088 void
4089 ARDOUR_UI::feedback_detected ()
4090 {
4091         _feedback_exists = true;
4092 }
4093
4094 void
4095 ARDOUR_UI::successful_graph_sort ()
4096 {
4097         _feedback_exists = false;
4098 }
4099
4100 void
4101 ARDOUR_UI::midi_panic ()
4102 {
4103         if (_session) {
4104                 _session->midi_panic();
4105         }
4106 }
4107
4108 void
4109 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4110 {
4111         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4112         const char* end_big = "</span>";
4113         const char* start_mono = "<tt>";
4114         const char* end_mono = "</tt>";
4115
4116         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4117                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4118                                              "From now on, use the -2000 version with older versions of %3"),
4119                                            xml_path, backup_path, PROGRAM_NAME,
4120                                            start_big, end_big,
4121                                            start_mono, end_mono), true);
4122
4123         msg.run ();
4124 }