gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <stdint.h>
  25
  26 #include <algorithm>
  27 #include <cmath>
  28 #include <fcntl.h>
  29 #include <signal.h>
  30 #include <unistd.h>
  31 #include <time.h>
  32 #include <cerrno>
  33 #include <fstream>
  34
  35 #include <iostream>
  36
  37 #include <sys/resource.h>
  38 #include <sys/types.h>
  39 #include <sys/sysctl.h>
  40
  41 #include <gtkmm/messagedialog.h>
  42 #include <gtkmm/accelmap.h>
  43
  44 #include "pbd/error.h"
  45 #include "pbd/basename.h"
  46 #include "pbd/compose.h"
  47 #include "pbd/failed_constructor.h"
  48 #include "pbd/enumwriter.h"
  49 #include "pbd/memento_command.h"
  50 #include "pbd/openuri.h"
  51 #include "pbd/file_utils.h"
  52
  53 #include "gtkmm2ext/application.h"
  54 #include "gtkmm2ext/bindings.h"
  55 #include "gtkmm2ext/gtk_ui.h"
  56 #include "gtkmm2ext/utils.h"
  57 #include "gtkmm2ext/click_box.h"
  58 #include "gtkmm2ext/fastmeter.h"
  59 #include "gtkmm2ext/popup.h"
  60 #include "gtkmm2ext/window_title.h"
  61
  62 #include "midi++/manager.h"
  63
  64 #include "ardour/ardour.h"
  65 #include "ardour/audioengine.h"
  66 #include "ardour/audiofilesource.h"
  67 #include "ardour/automation_watch.h"
  68 #include "ardour/diskstream.h"
  69 #include "ardour/filename_extensions.h"
  70 #include "ardour/filesystem_paths.h"
  71 #include "ardour/port.h"
  72 #include "ardour/process_thread.h"
  73 #include "ardour/profile.h"
  74 #include "ardour/recent_sessions.h"
  75 #include "ardour/session_directory.h"
  76 #include "ardour/session_route.h"
  77 #include "ardour/session_state_utils.h"
  78 #include "ardour/session_utils.h"
  79 #include "ardour/slave.h"
  80
  81 #include "timecode/time.h"
  82
  83 typedef uint64_t microseconds_t;
  84
  85 #include "about.h"
  86 #include "actions.h"
  87 #include "add_route_dialog.h"
  88 #include "ambiguous_file_dialog.h"
  89 #include "ardour_ui.h"
  90 #include "audio_clock.h"
  91 #include "bundle_manager.h"
  92 #include "engine_dialog.h"
  93 #include "gain_meter.h"
  94 #include "global_port_matrix.h"
  95 #include "gui_object.h"
  96 #include "gui_thread.h"
  97 #include "keyboard.h"
  98 #include "location_ui.h"
  99 #include "main_clock.h"
 100 #include "missing_file_dialog.h"
 101 #include "missing_plugin_dialog.h"
 102 #include "mixer_ui.h"
 103 #include "mouse_cursors.h"
 104 #include "opts.h"
 105 #include "pingback.h"
 106 #include "processor_box.h"
 107 #include "prompter.h"
 108 #include "public_editor.h"
 109 #include "route_time_axis.h"
 110 #include "session_metadata_dialog.h"
 111 #include "shuttle_control.h"
 112 #include "speaker_dialog.h"
 113 #include "splash.h"
 114 #include "startup.h"
 115 #include "theme_manager.h"
 116 #include "time_axis_view_item.h"
 117 #include "utils.h"
 118 #include "window_proxy.h"
 119 #ifdef WITH_VIDEOTIMELINE
 120 #include "video_server_dialog.h"
 121 #include "add_video_dialog.h"
 122 #include "transcode_video_dialog.h"
 123 #include "system_exec.h" /* to launch video-server */
 124 #endif
 125
 126 #include "i18n.h"
 127
 128 using namespace ARDOUR;
 129 using namespace PBD;
 130 using namespace Gtkmm2ext;
 131 using namespace Gtk;
 132 using namespace std;
 133
 134 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 135 UIConfiguration *ARDOUR_UI::ui_config = 0;
 136
 137 sigc::signal<void,bool> ARDOUR_UI::Blink;
 138 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 139 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 140 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 141
 142 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 143
 144         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 145
 146         , gui_object_state (new GUIObjectState)
 147         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 148         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 149
 150           /* big clock */
 151
 152         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 153
 154           /* transport */
 155
 156         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 157         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 158         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 159         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 160         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 161         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 162         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 163
 164         , auto_return_button (ArdourButton::led_default_elements)
 165         , follow_edits_button (ArdourButton::led_default_elements)
 166         , auto_input_button (ArdourButton::led_default_elements)
 167
 168         , auditioning_alert_button (_("audition"))
 169         , solo_alert_button (_("solo"))
 170         , feedback_alert_button (_("feedback"))
 171
 172         , error_log_button (_("Errors"))
 173
 174         , _status_bar_visibility (X_("status-bar"))
 175         , _feedback_exists (false)
 176
 177 {
 178         Gtkmm2ext::init(localedir);
 179
 180         about = 0;
 181         splash = 0;
 182         _startup = 0;
 183
 184         if (theArdourUI == 0) {
 185                 theArdourUI = this;
 186         }
 187
 188         ui_config = new UIConfiguration();
 189         theme_manager = new ThemeManager();
 190
 191         key_editor = 0;
 192
 193         editor = 0;
 194         mixer = 0;
 195         editor = 0;
 196         engine = 0;
 197         _session_is_new = false;
 198         big_clock_window = 0;
 199         big_clock_height = 0;
 200         big_clock_resize_in_progress = false;
 201         session_selector_window = 0;
 202         last_key_press_time = 0;
 203         add_route_dialog = 0;
 204 #ifdef WITH_VIDEOTIMELINE
 205         add_video_dialog = 0;
 206         video_server_process = 0;
 207 #endif
 208         route_params = 0;
 209         bundle_manager = 0;
 210         rc_option_editor = 0;
 211         session_option_editor = 0;
 212         location_ui = 0;
 213         open_session_selector = 0;
 214         have_configure_timeout = false;
 215         have_disk_speed_dialog_displayed = false;
 216         session_loaded = false;
 217         ignore_dual_punch = false;
 218         original_big_clock_width = -1;
 219         original_big_clock_height = -1;
 220         original_big_clock_font_size = 0;
 221
 222         roll_button.set_controllable (roll_controllable);
 223         stop_button.set_controllable (stop_controllable);
 224         goto_start_button.set_controllable (goto_start_controllable);
 225         goto_end_button.set_controllable (goto_end_controllable);
 226         auto_loop_button.set_controllable (auto_loop_controllable);
 227         play_selection_button.set_controllable (play_selection_controllable);
 228         rec_button.set_controllable (rec_controllable);
 229
 230         roll_button.set_name ("transport button");
 231         stop_button.set_name ("transport button");
 232         goto_start_button.set_name ("transport button");
 233         goto_end_button.set_name ("transport button");
 234         auto_loop_button.set_name ("transport button");
 235         play_selection_button.set_name ("transport button");
 236         rec_button.set_name ("transport recenable button");
 237         midi_panic_button.set_name ("transport button");
 238
 239         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 240         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 241         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 242
 243         last_configure_time= 0;
 244         last_peak_grab = 0;
 245
 246         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 247         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 248
 249         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 250
 251         /* handle dialog requests */
 252
 253         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 254
 255         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 256
 257         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 258
 259         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 260
 261         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 262
 263         /* handle requests to quit (coming from JACK session) */
 264
 265         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 266
 267         /* tell the user about feedback */
 268
 269         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 270         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 271
 272         /* handle requests to deal with missing files */
 273
 274         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 275
 276         /* and ambiguous files */
 277
 278         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 279
 280         /* lets get this party started */
 281
 282         try {
 283                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 284                         throw failed_constructor ();
 285                 }
 286
 287                 setup_gtk_ardour_enums ();
 288                 setup_profile ();
 289
 290                 SessionEvent::create_per_thread_pool ("GUI", 512);
 291
 292         } catch (failed_constructor& err) {
 293                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 294                 // pass it on up
 295                 throw;
 296         }
 297
 298         /* we like keyboards */
 299
 300         keyboard = new ArdourKeyboard(*this);
 301
 302         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 303         if (node) {
 304                 keyboard->set_state (*node, Stateful::loading_state_version);
 305         }
 306
 307         /* we don't like certain modifiers */
 308         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 309
 310         reset_dpi();
 311
 312         TimeAxisViewItem::set_constant_heights ();
 313
 314         /* The following must happen after ARDOUR::init() so that Config is set up */
 315
 316         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
 317         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
 318         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
 319
 320         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 321                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
 322                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
 323                         Config->extra_xml (X_("UI")),
 324                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
 325                         );
 326         }
 327
 328         setup_clock ();
 329
 330         SpeakerDialog* s = new SpeakerDialog ();
 331         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
 332         speaker_config_window->set (s);
 333
 334         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 335         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 336
 337         _process_thread = new ProcessThread ();
 338         _process_thread->init ();
 339
 340         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 341 }
 342
 343
 344 int
 345 ARDOUR_UI::create_engine ()
 346 {
 347         // this gets called every time by new_session()
 348
 349         if (engine) {
 350                 return 0;
 351         }
 352
 353         loading_message (_("Starting audio engine"));
 354
 355         try {
 356                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 357
 358         } catch (...) {
 359
 360                 return -1;
 361         }
 362
 363         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 364         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 365         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 366
 367         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 368
 369         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 370
 371         post_engine ();
 372
 373         return 0;
 374 }
 375
 376 void
 377 ARDOUR_UI::post_engine ()
 378 {
 379         /* Things to be done once we create the AudioEngine
 380          */
 381
 382         ARDOUR::init_post_engine ();
 383
 384         /* load up the UI manager */
 385
 386         ActionManager::init ();
 387
 388         _tooltips.enable();
 389
 390         if (setup_windows ()) {
 391                 throw failed_constructor ();
 392         }
 393
 394         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 395         XMLNode* n = Config->extra_xml (X_("UI"));
 396         if (n) {
 397                 _status_bar_visibility.set_state (*n);
 398         }
 399
 400         check_memory_locking();
 401
 402         /* this is the first point at which all the keybindings are available */
 403
 404         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 405                 vector<string> names;
 406                 vector<string> paths;
 407                 vector<string> tooltips;
 408                 vector<string> keys;
 409                 vector<AccelKey> bindings;
 410
 411                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 412
 413                 vector<string>::iterator n;
 414                 vector<string>::iterator k;
 415                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 416                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 417                 }
 418
 419                 exit (0);
 420         }
 421
 422         blink_timeout_tag = -1;
 423
 424         /* this being a GUI and all, we want peakfiles */
 425
 426         AudioFileSource::set_build_peakfiles (true);
 427         AudioFileSource::set_build_missing_peakfiles (true);
 428
 429         /* set default clock modes */
 430
 431         if (Profile->get_sae()) {
 432                 primary_clock->set_mode (AudioClock::BBT);
 433                 secondary_clock->set_mode (AudioClock::MinSec);
 434         }  else {
 435                 primary_clock->set_mode (AudioClock::Timecode);
 436                 secondary_clock->set_mode (AudioClock::BBT);
 437         }
 438
 439         /* start the time-of-day-clock */
 440
 441 #ifndef GTKOSX
 442         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 443         update_wall_clock ();
 444         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 445 #endif
 446
 447         update_disk_space ();
 448         update_cpu_load ();
 449         update_sample_rate (engine->frame_rate());
 450         update_timecode_format ();
 451
 452         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 453         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 454         Config->map_parameters (pc);
 455
 456         /* now start and maybe save state */
 457
 458         if (do_engine_start () == 0) {
 459                 if (_session && _session_is_new) {
 460                         /* we need to retain initial visual
 461                            settings for a new session
 462                         */
 463                         _session->save_state ("");
 464                 }
 465         }
 466 }
 467
 468 ARDOUR_UI::~ARDOUR_UI ()
 469 {
 470         delete keyboard;
 471         delete editor;
 472         delete mixer;
 473         delete add_route_dialog;
 474 #ifdef WITH_VIDEOTIMELINE
 475         if (add_video_dialog) delete add_video_dialog;
 476         stop_video_server();
 477 #endif
 478 }
 479
 480 void
 481 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 482 {
 483         if (Splash::instance()) {
 484                 Splash::instance()->pop_back_for (win);
 485         }
 486 }
 487
 488 gint
 489 ARDOUR_UI::configure_timeout ()
 490 {
 491         if (last_configure_time == 0) {
 492                 /* no configure events yet */
 493                 return true;
 494         }
 495
 496         /* force a gap of 0.5 seconds since the last configure event
 497          */
 498
 499         if (get_microseconds() - last_configure_time < 500000) {
 500                 return true;
 501         } else {
 502                 have_configure_timeout = false;
 503                 save_ardour_state ();
 504                 return false;
 505         }
 506 }
 507
 508 gboolean
 509 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 510 {
 511         if (have_configure_timeout) {
 512                 last_configure_time = get_microseconds();
 513         } else {
 514                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 515                 have_configure_timeout = true;
 516         }
 517
 518         return FALSE;
 519 }
 520
 521 void
 522 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 523 {
 524         const XMLProperty* prop;
 525
 526         if ((prop = node.property ("roll")) != 0) {
 527                 roll_controllable->set_id (prop->value());
 528         }
 529         if ((prop = node.property ("stop")) != 0) {
 530                 stop_controllable->set_id (prop->value());
 531         }
 532         if ((prop = node.property ("goto-start")) != 0) {
 533                 goto_start_controllable->set_id (prop->value());
 534         }
 535         if ((prop = node.property ("goto-end")) != 0) {
 536                 goto_end_controllable->set_id (prop->value());
 537         }
 538         if ((prop = node.property ("auto-loop")) != 0) {
 539                 auto_loop_controllable->set_id (prop->value());
 540         }
 541         if ((prop = node.property ("play-selection")) != 0) {
 542                 play_selection_controllable->set_id (prop->value());
 543         }
 544         if ((prop = node.property ("rec")) != 0) {
 545                 rec_controllable->set_id (prop->value());
 546         }
 547         if ((prop = node.property ("shuttle")) != 0) {
 548                 shuttle_box->controllable()->set_id (prop->value());
 549         }
 550 }
 551
 552 XMLNode&
 553 ARDOUR_UI::get_transport_controllable_state ()
 554 {
 555         XMLNode* node = new XMLNode(X_("TransportControllables"));
 556         char buf[64];
 557
 558         roll_controllable->id().print (buf, sizeof (buf));
 559         node->add_property (X_("roll"), buf);
 560         stop_controllable->id().print (buf, sizeof (buf));
 561         node->add_property (X_("stop"), buf);
 562         goto_start_controllable->id().print (buf, sizeof (buf));
 563         node->add_property (X_("goto_start"), buf);
 564         goto_end_controllable->id().print (buf, sizeof (buf));
 565         node->add_property (X_("goto_end"), buf);
 566         auto_loop_controllable->id().print (buf, sizeof (buf));
 567         node->add_property (X_("auto_loop"), buf);
 568         play_selection_controllable->id().print (buf, sizeof (buf));
 569         node->add_property (X_("play_selection"), buf);
 570         rec_controllable->id().print (buf, sizeof (buf));
 571         node->add_property (X_("rec"), buf);
 572         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 573         node->add_property (X_("shuttle"), buf);
 574
 575         return *node;
 576 }
 577
 578
 579 gint
 580 ARDOUR_UI::autosave_session ()
 581 {
 582         if (g_main_depth() > 1) {
 583                 /* inside a recursive main loop,
 584                    give up because we may not be able to
 585                    take a lock.
 586                 */
 587                 return 1;
 588         }
 589
 590         if (!Config->get_periodic_safety_backups()) {
 591                 return 1;
 592         }
 593
 594         if (_session) {
 595                 _session->maybe_write_autosave();
 596         }
 597
 598         return 1;
 599 }
 600
 601 void
 602 ARDOUR_UI::update_autosave ()
 603 {
 604         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 605
 606         if (_session && _session->dirty()) {
 607                 if (_autosave_connection.connected()) {
 608                         _autosave_connection.disconnect();
 609                 }
 610
 611                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 612                                 Config->get_periodic_safety_backup_interval() * 1000);
 613
 614         } else {
 615                 if (_autosave_connection.connected()) {
 616                         _autosave_connection.disconnect();
 617                 }
 618         }
 619 }
 620
 621 void
 622 ARDOUR_UI::check_announcements ()
 623 {
 624 #ifdef PHONE_HOME
 625         string _annc_filename;
 626
 627 #ifdef __APPLE__
 628         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 629 #else
 630         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 631 #endif
 632         _annc_filename.append (VERSIONSTRING);
 633
 634         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 635         std::ifstream announce_file (path.c_str());
 636         if ( announce_file.fail() )
 637                 _announce_string = "";
 638         else {
 639                 std::stringstream oss;
 640                 oss << announce_file.rdbuf();
 641                 _announce_string = oss.str();
 642         }
 643
 644         pingback (VERSIONSTRING, path);
 645 #endif
 646 }
 647
 648 void
 649 ARDOUR_UI::startup ()
 650 {
 651         Application* app = Application::instance ();
 652         char *nsm_url;
 653         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 654         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 655
 656         if (ARDOUR_COMMAND_LINE::check_announcements) {
 657                 check_announcements ();
 658         }
 659
 660         app->ready ();
 661
 662         nsm_url = getenv ("NSM_URL");
 663         nsm = 0;
 664
 665         if (nsm_url) {
 666                 nsm = new NSM_Client;
 667                 if (!nsm->init (nsm_url)) {
 668                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 669
 670                         unsigned int i = 0;
 671                         // wait for announce reply from nsm server
 672                         for ( i = 0; i < 5000; ++i) {
 673                                 nsm->check ();
 674                                 usleep (i);
 675                                 if (nsm->is_active())
 676                                         break;
 677                         }
 678                         // wait for open command from nsm server
 679                         for ( i = 0; i < 5000; ++i) {
 680                                 nsm->check ();
 681                                 usleep (1000);
 682                                 if (nsm->client_id ())
 683                                         break;
 684                         }
 685
 686                         if (_session && nsm) {
 687                                 _session->set_nsm_state( nsm->is_active() );
 688                         }
 689
 690                         // nsm requires these actions disabled
 691                         vector<string> action_names;
 692                         action_names.push_back("SaveAs");
 693                         action_names.push_back("Rename");
 694                         action_names.push_back("New");
 695                         action_names.push_back("Open");
 696                         action_names.push_back("Recent");
 697                         action_names.push_back("Close");
 698
 699                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 700                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 701                                 if (act) {
 702                                         act->set_sensitive (false);
 703                                 }
 704                         }
 705
 706                 }
 707                 else {
 708                         delete nsm;
 709                         nsm = 0;
 710                 }
 711         }
 712
 713         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 714                 exit (1);
 715         }
 716
 717         use_config ();
 718
 719         goto_editor_window ();
 720
 721         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
 722            to be opened on top of the editor window that goto_editor_window() just opened.
 723         */
 724         add_window_proxy (location_ui);
 725         add_window_proxy (big_clock_window);
 726         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 727                 add_window_proxy (_global_port_matrix[*i]);
 728         }
 729
 730         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 731          * editor window, and we may want stuff to be hidden.
 732          */
 733         _status_bar_visibility.update ();
 734
 735         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 736 }
 737
 738 void
 739 ARDOUR_UI::no_memory_warning ()
 740 {
 741         XMLNode node (X_("no-memory-warning"));
 742         Config->add_instant_xml (node);
 743 }
 744
 745 void
 746 ARDOUR_UI::check_memory_locking ()
 747 {
 748 #ifdef __APPLE__
 749         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 750         return;
 751 #else // !__APPLE__
 752
 753         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 754
 755         if (engine->is_realtime() && memory_warning_node == 0) {
 756
 757                 struct rlimit limits;
 758                 int64_t ram;
 759                 long pages, page_size;
 760 #ifdef __FreeBSD__
 761                 size_t pages_len=sizeof(pages);
 762                 if ((page_size = getpagesize()) < 0 ||
 763                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 764 #else
 765                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 766 #endif
 767                 {
 768                         ram = 0;
 769                 } else {
 770                         ram = (int64_t) pages * (int64_t) page_size;
 771                 }
 772
 773                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 774                         return;
 775                 }
 776
 777                 if (limits.rlim_cur != RLIM_INFINITY) {
 778
 779                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 780
 781                                 MessageDialog msg (
 782                                         string_compose (
 783                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 784                                                   "This might cause %1 to run out of memory before your system "
 785                                                   "runs out of memory. \n\n"
 786                                                   "You can view the memory limit with 'ulimit -l', "
 787                                                   "and it is normally controlled by %2"),
 788                                                 PROGRAM_NAME).c_str(),
 789 #ifdef __FreeBSD__
 790                                         X_("/etc/login.conf")
 791 #else
 792                                         X_(" /etc/security/limits.conf")
 793 #endif
 794                                         );
 795
 796                                 msg.set_default_response (RESPONSE_OK);
 797
 798                                 VBox* vbox = msg.get_vbox();
 799                                 HBox hbox;
 800                                 CheckButton cb (_("Do not show this window again"));
 801
 802                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 803
 804                                 hbox.pack_start (cb, true, false);
 805                                 vbox->pack_start (hbox);
 806                                 cb.show();
 807                                 vbox->show();
 808                                 hbox.show ();
 809
 810                                 pop_back_splash (msg);
 811
 812                                 editor->ensure_float (msg);
 813                                 msg.run ();
 814                         }
 815                 }
 816         }
 817 #endif // !__APPLE__
 818 }
 819
 820
 821 void
 822 ARDOUR_UI::queue_finish ()
 823 {
 824         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 825 }
 826
 827 bool
 828 ARDOUR_UI::idle_finish ()
 829 {
 830         finish ();
 831         return false; /* do not call again */
 832 }
 833
 834 void
 835 ARDOUR_UI::finish()
 836 {
 837 #ifdef WITH_VIDEOTIMELINE
 838         /* close video-monitor & pending requests
 839          * would better be done in ~Editor() but that is not called..
 840          */
 841         ARDOUR_UI::instance()->video_timeline->close_session();
 842 #endif
 843         if (_session) {
 844
 845                 if (_session->dirty()) {
 846                         vector<string> actions;
 847                         actions.push_back (_("Don't quit"));
 848                         actions.push_back (_("Just quit"));
 849                         actions.push_back (_("Save and quit"));
 850                         switch (ask_about_saving_session(actions)) {
 851                         case -1:
 852                                 return;
 853                                 break;
 854                         case 1:
 855                                 /* use the default name */
 856                                 if (save_state_canfail ("")) {
 857                                         /* failed - don't quit */
 858                                         MessageDialog msg (*editor,
 859                                                            string_compose (_("\
 860 %1 was unable to save your session.\n\n\
 861 If you still wish to quit, please use the\n\n\
 862 \"Just quit\" option."), PROGRAM_NAME));
 863                                         pop_back_splash(msg);
 864                                         msg.run ();
 865                                         return;
 866                                 }
 867                                 break;
 868                         case 0:
 869                                 break;
 870                         }
 871                 }
 872
 873                 second_connection.disconnect ();
 874                 point_one_second_connection.disconnect ();
 875                 point_oh_five_second_connection.disconnect ();
 876                 point_zero_one_second_connection.disconnect();
 877         }
 878
 879 #ifdef WITH_VIDEOTIMELINE
 880         delete ARDOUR_UI::instance()->video_timeline;
 881         stop_video_server();
 882 #endif
 883
 884         /* Save state before deleting the session, as that causes some
 885            windows to be destroyed before their visible state can be
 886            saved.
 887         */
 888         save_ardour_state ();
 889
 890         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 891
 892         if (_session) {
 893                 // _session->set_deletion_in_progress ();
 894                 _session->set_clean ();
 895                 _session->remove_pending_capture_state ();
 896                 delete _session;
 897                 _session = 0;
 898         }
 899
 900         ArdourDialog::close_all_dialogs ();
 901         engine->stop (true);
 902         quit ();
 903 }
 904
 905 int
 906 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 907 {
 908         ArdourDialog window (_("Unsaved Session"));
 909         Gtk::HBox dhbox;  // the hbox for the image and text
 910         Gtk::Label  prompt_label;
 911         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 912
 913         string msg;
 914
 915         assert (actions.size() >= 3);
 916
 917         window.add_button (actions[0], RESPONSE_REJECT);
 918         window.add_button (actions[1], RESPONSE_APPLY);
 919         window.add_button (actions[2], RESPONSE_ACCEPT);
 920
 921         window.set_default_response (RESPONSE_ACCEPT);
 922
 923         Gtk::Button noquit_button (msg);
 924         noquit_button.set_name ("EditorGTKButton");
 925
 926         string prompt;
 927
 928         if (_session->snap_name() == _session->name()) {
 929                 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?"),
 930                                         _session->snap_name());
 931         } else {
 932                 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?"),
 933                                         _session->snap_name());
 934         }
 935
 936         prompt_label.set_text (prompt);
 937         prompt_label.set_name (X_("PrompterLabel"));
 938         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 939
 940         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 941         dhbox.set_homogeneous (false);
 942         dhbox.pack_start (*dimage, false, false, 5);
 943         dhbox.pack_start (prompt_label, true, false, 5);
 944         window.get_vbox()->pack_start (dhbox);
 945
 946         window.set_name (_("Prompter"));
 947         window.set_position (Gtk::WIN_POS_MOUSE);
 948         window.set_modal (true);
 949         window.set_resizable (false);
 950
 951         dhbox.show();
 952         prompt_label.show();
 953         dimage->show();
 954         window.show();
 955         window.set_keep_above (true);
 956         window.present ();
 957
 958         ResponseType r = (ResponseType) window.run();
 959
 960         window.hide ();
 961
 962         switch (r) {
 963         case RESPONSE_ACCEPT: // save and get out of here
 964                 return 1;
 965         case RESPONSE_APPLY:  // get out of here
 966                 return 0;
 967         default:
 968                 break;
 969         }
 970
 971         return -1;
 972 }
 973
 974
 975 gint
 976 ARDOUR_UI::every_second ()
 977 {
 978         update_cpu_load ();
 979         update_buffer_load ();
 980         update_disk_space ();
 981         update_timecode_format ();
 982
 983         if (nsm && nsm->is_active ()) {
 984                 nsm->check ();
 985
 986                 if (!_was_dirty && _session->dirty ()) {
 987                         nsm->is_dirty ();
 988                         _was_dirty = true;
 989                 }
 990                 else if (_was_dirty && !_session->dirty ()){
 991                         nsm->is_clean ();
 992                         _was_dirty = false;
 993                 }
 994         }
 995         return TRUE;
 996 }
 997
 998 gint
 999 ARDOUR_UI::every_point_one_seconds ()
1000 {
1001         shuttle_box->update_speed_display ();
1002         RapidScreenUpdate(); /* EMIT_SIGNAL */
1003         return TRUE;
1004 }
1005
1006 gint
1007 ARDOUR_UI::every_point_zero_one_seconds ()
1008 {
1009         // august 2007: actual update frequency: 40Hz, not 100Hz
1010
1011         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1012         return TRUE;
1013 }
1014
1015 void
1016 ARDOUR_UI::update_sample_rate (framecnt_t)
1017 {
1018         char buf[64];
1019
1020         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1021
1022         if (!engine->connected()) {
1023
1024                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1025
1026         } else {
1027
1028                 framecnt_t rate = engine->frame_rate();
1029
1030                 if (fmod (rate, 1000.0) != 0.0) {
1031                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1032                                   (float) rate/1000.0f,
1033                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1034                 } else {
1035                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1036                                   rate/1000,
1037                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1038                 }
1039         }
1040
1041         sample_rate_label.set_markup (buf);
1042 }
1043
1044 void
1045 ARDOUR_UI::update_format ()
1046 {
1047         if (!_session) {
1048                 format_label.set_text ("");
1049                 return;
1050         }
1051
1052         stringstream s;
1053         s << _("File:") << X_(" <span foreground=\"green\">");
1054
1055         switch (_session->config.get_native_file_header_format ()) {
1056         case BWF:
1057                 s << _("BWF");
1058                 break;
1059         case WAVE:
1060                 s << _("WAV");
1061                 break;
1062         case WAVE64:
1063                 s << _("WAV64");
1064                 break;
1065         case CAF:
1066                 s << _("CAF");
1067                 break;
1068         case AIFF:
1069                 s << _("AIFF");
1070                 break;
1071         case iXML:
1072                 s << _("iXML");
1073                 break;
1074         case RF64:
1075                 s << _("RF64");
1076                 break;
1077         }
1078
1079         s << " ";
1080
1081         switch (_session->config.get_native_file_data_format ()) {
1082         case FormatFloat:
1083                 s << _("32-float");
1084                 break;
1085         case FormatInt24:
1086                 s << _("24-int");
1087                 break;
1088         case FormatInt16:
1089                 s << _("16-int");
1090                 break;
1091         }
1092
1093         s << X_("</span>");
1094
1095         format_label.set_markup (s.str ());
1096 }
1097
1098 void
1099 ARDOUR_UI::update_cpu_load ()
1100 {
1101         char buf[64];
1102
1103         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1104            should also be changed.
1105         */
1106
1107         float const c = engine->get_cpu_load ();
1108         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1109         cpu_load_label.set_markup (buf);
1110 }
1111
1112 void
1113 ARDOUR_UI::update_buffer_load ()
1114 {
1115         char buf[256];
1116
1117         uint32_t const playback = _session ? _session->playback_load () : 100;
1118         uint32_t const capture = _session ? _session->capture_load () : 100;
1119
1120         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1121            should also be changed.
1122         */
1123
1124         if (_session) {
1125                 snprintf (
1126                         buf, sizeof (buf),
1127                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1128                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1129                         playback <= 5 ? X_("red") : X_("green"),
1130                         playback,
1131                         capture <= 5 ? X_("red") : X_("green"),
1132                         capture
1133                         );
1134
1135                 buffer_load_label.set_markup (buf);
1136         } else {
1137                 buffer_load_label.set_text ("");
1138         }
1139 }
1140
1141 void
1142 ARDOUR_UI::count_recenabled_streams (Route& route)
1143 {
1144         Track* track = dynamic_cast<Track*>(&route);
1145         if (track && track->record_enabled()) {
1146                 rec_enabled_streams += track->n_inputs().n_total();
1147         }
1148 }
1149
1150 void
1151 ARDOUR_UI::update_disk_space()
1152 {
1153         if (_session == 0) {
1154                 return;
1155         }
1156
1157         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1158         char buf[64];
1159         framecnt_t fr = _session->frame_rate();
1160
1161         if (!opt_frames) {
1162                 /* Available space is unknown */
1163                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1164         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1165                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1166         } else {
1167                 rec_enabled_streams = 0;
1168                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1169
1170                 framecnt_t frames = opt_frames.get_value_or (0);
1171
1172                 if (rec_enabled_streams) {
1173                         frames /= rec_enabled_streams;
1174                 }
1175
1176                 int hrs;
1177                 int mins;
1178                 int secs;
1179
1180                 hrs  = frames / (fr * 3600);
1181
1182                 if (hrs > 24) {
1183                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1184                 } else {
1185                         frames -= hrs * fr * 3600;
1186                         mins = frames / (fr * 60);
1187                         frames -= mins * fr * 60;
1188                         secs = frames / fr;
1189
1190                         bool const low = (hrs == 0 && mins <= 30);
1191
1192                         snprintf (
1193                                 buf, sizeof(buf),
1194                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1195                                 low ? X_("red") : X_("green"),
1196                                 hrs, mins, secs
1197                                 );
1198                 }
1199         }
1200
1201         disk_space_label.set_markup (buf);
1202 }
1203
1204 void
1205 ARDOUR_UI::update_timecode_format ()
1206 {
1207         char buf[64];
1208
1209         if (_session) {
1210                 bool matching;
1211                 TimecodeSlave* tcslave;
1212                 SyncSource sync_src = Config->get_sync_source();
1213
1214                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1215                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1216                 } else {
1217                         matching = true;
1218                 }
1219
1220                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1221                           matching ? X_("green") : X_("red"),
1222                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1223         } else {
1224                 snprintf (buf, sizeof (buf), "TC: n/a");
1225         }
1226
1227         timecode_format_label.set_markup (buf);
1228 }
1229
1230 gint
1231 ARDOUR_UI::update_wall_clock ()
1232 {
1233         time_t now;
1234         struct tm *tm_now;
1235         static int last_min = -1;
1236
1237         time (&now);
1238         tm_now = localtime (&now);
1239         if (last_min != tm_now->tm_min) {
1240                 char buf[16];
1241                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1242                 wall_clock_label.set_text (buf);
1243                 last_min = tm_now->tm_min;
1244         }
1245
1246         return TRUE;
1247 }
1248
1249 void
1250 ARDOUR_UI::redisplay_recent_sessions ()
1251 {
1252         std::vector<std::string> session_directories;
1253         RecentSessionsSorter cmp;
1254
1255         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1256         recent_session_model->clear ();
1257
1258         ARDOUR::RecentSessions rs;
1259         ARDOUR::read_recent_sessions (rs);
1260
1261         if (rs.empty()) {
1262                 recent_session_display.set_model (recent_session_model);
1263                 return;
1264         }
1265
1266         // sort them alphabetically
1267         sort (rs.begin(), rs.end(), cmp);
1268
1269         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1270                 session_directories.push_back ((*i).second);
1271         }
1272
1273         for (vector<std::string>::const_iterator i = session_directories.begin();
1274                         i != session_directories.end(); ++i)
1275         {
1276                 std::vector<std::string> state_file_paths;
1277
1278                 // now get available states for this session
1279
1280                 get_state_files_in_directory (*i, state_file_paths);
1281
1282                 vector<string*>* states;
1283                 vector<const gchar*> item;
1284                 string fullpath = *i;
1285
1286                 /* remove any trailing / */
1287
1288                 if (fullpath[fullpath.length() - 1] == '/') {
1289                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1290                 }
1291
1292                 /* check whether session still exists */
1293                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1294                         /* session doesn't exist */
1295                         continue;
1296                 }
1297
1298                 /* now get available states for this session */
1299
1300                 if ((states = Session::possible_states (fullpath)) == 0) {
1301                         /* no state file? */
1302                         continue;
1303                 }
1304
1305                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1306
1307                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1308
1309                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1310                 row[recent_session_columns.fullpath] = fullpath;
1311                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1312
1313                 if (state_file_names.size() > 1) {
1314
1315                         // add the children
1316
1317                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1318                                         i2 != state_file_names.end(); ++i2)
1319                         {
1320
1321                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1322
1323                                 child_row[recent_session_columns.visible_name] = *i2;
1324                                 child_row[recent_session_columns.fullpath] = fullpath;
1325                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1326                         }
1327                 }
1328         }
1329
1330         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1331         recent_session_display.set_model (recent_session_model);
1332 }
1333
1334 void
1335 ARDOUR_UI::build_session_selector ()
1336 {
1337         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1338
1339         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1340
1341         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1342         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1343         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1344         recent_session_model = TreeStore::create (recent_session_columns);
1345         recent_session_display.set_model (recent_session_model);
1346         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1347         recent_session_display.set_headers_visible (false);
1348         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1349         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1350
1351         scroller->add (recent_session_display);
1352         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1353
1354         session_selector_window->set_name ("SessionSelectorWindow");
1355         session_selector_window->set_size_request (200, 400);
1356         session_selector_window->get_vbox()->pack_start (*scroller);
1357
1358         recent_session_display.show();
1359         scroller->show();
1360 }
1361
1362 void
1363 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1364 {
1365         session_selector_window->response (RESPONSE_ACCEPT);
1366 }
1367
1368 void
1369 ARDOUR_UI::open_recent_session ()
1370 {
1371         bool can_return = (_session != 0);
1372
1373         if (session_selector_window == 0) {
1374                 build_session_selector ();
1375         }
1376
1377         redisplay_recent_sessions ();
1378
1379         while (true) {
1380
1381                 session_selector_window->set_position (WIN_POS_MOUSE);
1382
1383                 ResponseType r = (ResponseType) session_selector_window->run ();
1384
1385                 switch (r) {
1386                 case RESPONSE_ACCEPT:
1387                         break;
1388                 default:
1389                         if (can_return) {
1390                                 session_selector_window->hide();
1391                                 return;
1392                         } else {
1393                                 exit (1);
1394                         }
1395                 }
1396
1397                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1398                         continue;
1399                 }
1400
1401                 session_selector_window->hide();
1402
1403                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1404
1405                 if (i == recent_session_model->children().end()) {
1406                         return;
1407                 }
1408
1409                 std::string path = (*i)[recent_session_columns.fullpath];
1410                 std::string state = (*i)[recent_session_columns.visible_name];
1411
1412                 _session_is_new = false;
1413
1414                 if (load_session (path, state) == 0) {
1415                         break;
1416                 }
1417
1418                 can_return = false;
1419         }
1420 }
1421
1422 bool
1423 ARDOUR_UI::check_audioengine ()
1424 {
1425         if (engine) {
1426                 if (!engine->connected()) {
1427                         MessageDialog msg (string_compose (
1428                                                    _("%1 is not connected to JACK\n"
1429                                                      "You cannot open or close sessions in this condition"),
1430                                                    PROGRAM_NAME));
1431                         pop_back_splash (msg);
1432                         msg.run ();
1433                         return false;
1434                 }
1435                 return true;
1436         } else {
1437                 return false;
1438         }
1439 }
1440
1441 void
1442 ARDOUR_UI::open_session ()
1443 {
1444         if (!check_audioengine()) {
1445                 return;
1446
1447         }
1448
1449         /* popup selector window */
1450
1451         if (open_session_selector == 0) {
1452
1453                 /* ardour sessions are folders */
1454
1455                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1456                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1457                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1458                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1459
1460                 if (_session) {
1461                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1462                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1463                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1464                         open_session_selector->set_current_folder(session_parent_dir);
1465                 } else {
1466                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1467                 }
1468
1469                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1470
1471                 FileFilter session_filter;
1472                 session_filter.add_pattern ("*.ardour");
1473                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1474                 open_session_selector->add_filter (session_filter);
1475                 open_session_selector->set_filter (session_filter);
1476         }
1477
1478         int response = open_session_selector->run();
1479         open_session_selector->hide ();
1480
1481         switch (response) {
1482         case RESPONSE_ACCEPT:
1483                 break;
1484         default:
1485                 open_session_selector->hide();
1486                 return;
1487         }
1488
1489         open_session_selector->hide();
1490         string session_path = open_session_selector->get_filename();
1491         string path, name;
1492         bool isnew;
1493
1494         if (session_path.length() > 0) {
1495                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1496                         _session_is_new = isnew;
1497                         load_session (path, name);
1498                 }
1499         }
1500 }
1501
1502
1503 void
1504 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1505                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1506 {
1507         list<boost::shared_ptr<MidiTrack> > tracks;
1508
1509         if (_session == 0) {
1510                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1511                 return;
1512         }
1513
1514         try {
1515                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1516
1517                 if (tracks.size() != how_many) {
1518                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1519                 }
1520         }
1521
1522         catch (...) {
1523                 MessageDialog msg (*editor,
1524                                    string_compose (_("There are insufficient JACK ports available\n\
1525 to create a new track or bus.\n\
1526 You should save %1, exit and\n\
1527 restart JACK with more ports."), PROGRAM_NAME));
1528                 msg.run ();
1529         }
1530 }
1531
1532
1533 void
1534 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1535 {
1536         ChanCount one_midi_channel;
1537         one_midi_channel.set (DataType::MIDI, 1);
1538
1539         if (disk) {
1540                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1541         }
1542 }
1543
1544 void
1545 ARDOUR_UI::session_add_audio_route (
1546         bool track,
1547         int32_t input_channels,
1548         int32_t output_channels,
1549         ARDOUR::TrackMode mode,
1550         RouteGroup* route_group,
1551         uint32_t how_many,
1552         string const & name_template
1553         )
1554 {
1555         list<boost::shared_ptr<AudioTrack> > tracks;
1556         RouteList routes;
1557
1558         if (_session == 0) {
1559                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1560                 return;
1561         }
1562
1563         try {
1564                 if (track) {
1565                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1566
1567                         if (tracks.size() != how_many) {
1568                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1569                                       << endmsg;
1570                         }
1571
1572                 } else {
1573
1574                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1575
1576                         if (routes.size() != how_many) {
1577                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1578                                       << endmsg;
1579                         }
1580                 }
1581         }
1582
1583         catch (...) {
1584                 MessageDialog msg (*editor,
1585                                    string_compose (_("There are insufficient JACK ports available\n\
1586 to create a new track or bus.\n\
1587 You should save %1, exit and\n\
1588 restart JACK with more ports."), PROGRAM_NAME));
1589                 pop_back_splash (msg);
1590                 msg.run ();
1591         }
1592 }
1593
1594 void
1595 ARDOUR_UI::transport_goto_start ()
1596 {
1597         if (_session) {
1598                 _session->goto_start();
1599
1600                 /* force displayed area in editor to start no matter
1601                    what "follow playhead" setting is.
1602                 */
1603
1604                 if (editor) {
1605                         editor->center_screen (_session->current_start_frame ());
1606                 }
1607         }
1608 }
1609
1610 void
1611 ARDOUR_UI::transport_goto_zero ()
1612 {
1613         if (_session) {
1614                 _session->request_locate (0);
1615
1616                 /* force displayed area in editor to start no matter
1617                    what "follow playhead" setting is.
1618                 */
1619
1620                 if (editor) {
1621                         editor->reset_x_origin (0);
1622                 }
1623         }
1624 }
1625
1626 void
1627 ARDOUR_UI::transport_goto_wallclock ()
1628 {
1629         if (_session && editor) {
1630
1631                 time_t now;
1632                 struct tm tmnow;
1633                 framepos_t frames;
1634
1635                 time (&now);
1636                 localtime_r (&now, &tmnow);
1637
1638                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1639                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1640                 frames += tmnow.tm_sec * _session->frame_rate();
1641
1642                 _session->request_locate (frames, _session->transport_rolling ());
1643
1644                 /* force displayed area in editor to start no matter
1645                    what "follow playhead" setting is.
1646                 */
1647
1648                 if (editor) {
1649                         editor->center_screen (frames);
1650                 }
1651         }
1652 }
1653
1654 void
1655 ARDOUR_UI::transport_goto_end ()
1656 {
1657         if (_session) {
1658                 framepos_t const frame = _session->current_end_frame();
1659                 _session->request_locate (frame);
1660
1661                 /* force displayed area in editor to start no matter
1662                    what "follow playhead" setting is.
1663                 */
1664
1665                 if (editor) {
1666                         editor->center_screen (frame);
1667                 }
1668         }
1669 }
1670
1671 void
1672 ARDOUR_UI::transport_stop ()
1673 {
1674         if (!_session) {
1675                 return;
1676         }
1677
1678         if (_session->is_auditioning()) {
1679                 _session->cancel_audition ();
1680                 return;
1681         }
1682
1683         _session->request_stop (false, true);
1684 }
1685
1686 void
1687 ARDOUR_UI::transport_record (bool roll)
1688 {
1689
1690         if (_session) {
1691                 switch (_session->record_status()) {
1692                 case Session::Disabled:
1693                         if (_session->ntracks() == 0) {
1694                                 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."));
1695                                 msg.run ();
1696                                 return;
1697                         }
1698                         _session->maybe_enable_record ();
1699                         if (roll) {
1700                                 transport_roll ();
1701                         }
1702                         break;
1703                 case Session::Recording:
1704                         if (roll) {
1705                                 _session->request_stop();
1706                         } else {
1707                                 _session->disable_record (false, true);
1708                         }
1709                         break;
1710
1711                 case Session::Enabled:
1712                         _session->disable_record (false, true);
1713                 }
1714         }
1715 }
1716
1717 void
1718 ARDOUR_UI::transport_roll ()
1719 {
1720         if (!_session) {
1721                 return;
1722         }
1723
1724         if (_session->is_auditioning()) {
1725                 return;
1726         }
1727
1728 #if 0
1729         if (_session->config.get_external_sync()) {
1730                 switch (Config->get_sync_source()) {
1731                 case JACK:
1732                         break;
1733                 default:
1734                         /* transport controlled by the master */
1735                         return;
1736                 }
1737         }
1738 #endif
1739
1740         bool rolling = _session->transport_rolling();
1741
1742         if (_session->get_play_loop()) {
1743                 /* XXX it is not possible to just leave seamless loop and keep
1744                    playing at present (nov 4th 2009)
1745                 */
1746                 if (!Config->get_seamless_loop()) {
1747                         _session->request_play_loop (false, true);
1748                 }
1749         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1750                 /* stop playing a range if we currently are */
1751                 _session->request_play_range (0, true);
1752         }
1753
1754         if (!rolling) {
1755                 _session->request_transport_speed (1.0f);
1756         }
1757 }
1758
1759 bool
1760 ARDOUR_UI::get_smart_mode() const
1761 {
1762         return ( editor->get_smart_mode() );
1763 }
1764
1765
1766 void
1767 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1768 {
1769
1770         if (!_session) {
1771                 return;
1772         }
1773
1774         if (_session->is_auditioning()) {
1775                 _session->cancel_audition ();
1776                 return;
1777         }
1778
1779         if (_session->config.get_external_sync()) {
1780                 switch (Config->get_sync_source()) {
1781                 case JACK:
1782                         break;
1783                 default:
1784                         /* transport controlled by the master */
1785                         return;
1786                 }
1787         }
1788
1789         bool rolling = _session->transport_rolling();
1790         bool affect_transport = true;
1791
1792         if (rolling && roll_out_of_bounded_mode) {
1793                 /* drop out of loop/range playback but leave transport rolling */
1794                 if (_session->get_play_loop()) {
1795                         if (Config->get_seamless_loop()) {
1796                                 /* the disk buffers contain copies of the loop - we can't
1797                                    just keep playing, so stop the transport. the user
1798                                    can restart as they wish.
1799                                 */
1800                                 affect_transport = true;
1801                         } else {
1802                                 /* disk buffers are normal, so we can keep playing */
1803                                 affect_transport = false;
1804                         }
1805                         _session->request_play_loop (false, true);
1806                 } else if (_session->get_play_range ()) {
1807                         affect_transport = false;
1808                         _session->request_play_range (0, true);
1809                 }
1810         }
1811
1812         if (affect_transport) {
1813                 if (rolling) {
1814                         _session->request_stop (with_abort, true);
1815                 } else {
1816                         if ( Config->get_always_play_range() ) {
1817                                 _session->request_play_range (&editor->get_selection().time, true);
1818                         }
1819
1820                         _session->request_transport_speed (1.0f);
1821                 }
1822         }
1823 }
1824
1825 void
1826 ARDOUR_UI::toggle_session_auto_loop ()
1827 {
1828         Location * looploc = _session->locations()->auto_loop_location();
1829
1830         if (!_session || !looploc) {
1831                 return;
1832         }
1833
1834         if (_session->get_play_loop()) {
1835
1836                 if (_session->transport_rolling()) {
1837
1838                         _session->request_locate (looploc->start(), true);
1839                         _session->request_play_loop (false);
1840
1841                 } else {
1842                         _session->request_play_loop (false);
1843                 }
1844         } else {
1845                 _session->request_play_loop (true);
1846         }
1847
1848         //show the loop markers
1849         looploc->set_hidden (false, this);
1850 }
1851
1852 void
1853 ARDOUR_UI::transport_play_selection ()
1854 {
1855         if (!_session) {
1856                 return;
1857         }
1858
1859         editor->play_selection ();
1860 }
1861
1862 void
1863 ARDOUR_UI::transport_play_preroll ()
1864 {
1865         if (!_session) {
1866                 return;
1867         }
1868         editor->play_with_preroll ();
1869 }
1870
1871 void
1872 ARDOUR_UI::transport_rewind (int option)
1873 {
1874         float current_transport_speed;
1875
1876         if (_session) {
1877                 current_transport_speed = _session->transport_speed();
1878
1879                 if (current_transport_speed >= 0.0f) {
1880                         switch (option) {
1881                         case 0:
1882                                 _session->request_transport_speed (-1.0f);
1883                                 break;
1884                         case 1:
1885                                 _session->request_transport_speed (-4.0f);
1886                                 break;
1887                         case -1:
1888                                 _session->request_transport_speed (-0.5f);
1889                                 break;
1890                         }
1891                 } else {
1892                         /* speed up */
1893                         _session->request_transport_speed (current_transport_speed * 1.5f);
1894                 }
1895         }
1896 }
1897
1898 void
1899 ARDOUR_UI::transport_forward (int option)
1900 {
1901         if (!_session) {
1902                 return;
1903         }
1904
1905         float current_transport_speed = _session->transport_speed();
1906
1907         if (current_transport_speed <= 0.0f) {
1908                 switch (option) {
1909                 case 0:
1910                         _session->request_transport_speed (1.0f);
1911                         break;
1912                 case 1:
1913                         _session->request_transport_speed (4.0f);
1914                         break;
1915                 case -1:
1916                         _session->request_transport_speed (0.5f);
1917                         break;
1918                 }
1919         } else {
1920                 /* speed up */
1921                 _session->request_transport_speed (current_transport_speed * 1.5f);
1922         }
1923 }
1924
1925 void
1926 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1927 {
1928         if (!_session) {
1929                 return;
1930         }
1931
1932         boost::shared_ptr<Route> r;
1933
1934         if ((r = _session->route_by_remote_id (rid)) != 0) {
1935
1936                 Track* t;
1937
1938                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1939                         t->set_record_enabled (!t->record_enabled(), this);
1940                 }
1941         }
1942 }
1943
1944 void
1945 ARDOUR_UI::map_transport_state ()
1946 {
1947         if (!_session) {
1948                 auto_loop_button.unset_active_state ();
1949                 play_selection_button.unset_active_state ();
1950                 roll_button.unset_active_state ();
1951                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1952                 return;
1953         }
1954
1955         shuttle_box->map_transport_state ();
1956
1957         float sp = _session->transport_speed();
1958
1959         if (sp != 0.0f) {
1960
1961                 /* we're rolling */
1962
1963                 if (_session->get_play_range()) {
1964
1965                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1966                         roll_button.unset_active_state ();
1967                         auto_loop_button.unset_active_state ();
1968
1969                 } else if (_session->get_play_loop ()) {
1970
1971                         auto_loop_button.set_active (true);
1972                         play_selection_button.set_active (false);
1973                         roll_button.set_active (false);
1974
1975                 } else {
1976
1977                         roll_button.set_active (true);
1978                         play_selection_button.set_active (false);
1979                         auto_loop_button.set_active (false);
1980                 }
1981
1982                 if (Config->get_always_play_range()) {
1983                         /* light up both roll and play-selection if they are joined */
1984                         roll_button.set_active (true);
1985                         play_selection_button.set_active (true);
1986                 }
1987
1988                 stop_button.set_active (false);
1989
1990         } else {
1991
1992                 stop_button.set_active (true);
1993                 roll_button.set_active (false);
1994                 play_selection_button.set_active (false);
1995                 auto_loop_button.set_active (false);
1996                 update_disk_space ();
1997         }
1998 }
1999
2000 void
2001 ARDOUR_UI::engine_stopped ()
2002 {
2003         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2004         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2005         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2006 }
2007
2008 void
2009 ARDOUR_UI::engine_running ()
2010 {
2011         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2012         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2013         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2014
2015         Glib::RefPtr<Action> action;
2016         const char* action_name = 0;
2017
2018         switch (engine->frames_per_cycle()) {
2019         case 32:
2020                 action_name = X_("JACKLatency32");
2021                 break;
2022         case 64:
2023                 action_name = X_("JACKLatency64");
2024                 break;
2025         case 128:
2026                 action_name = X_("JACKLatency128");
2027                 break;
2028         case 512:
2029                 action_name = X_("JACKLatency512");
2030                 break;
2031         case 1024:
2032                 action_name = X_("JACKLatency1024");
2033                 break;
2034         case 2048:
2035                 action_name = X_("JACKLatency2048");
2036                 break;
2037         case 4096:
2038                 action_name = X_("JACKLatency4096");
2039                 break;
2040         case 8192:
2041                 action_name = X_("JACKLatency8192");
2042                 break;
2043         default:
2044                 /* XXX can we do anything useful ? */
2045                 break;
2046         }
2047
2048         if (action_name) {
2049
2050                 action = ActionManager::get_action (X_("JACK"), action_name);
2051
2052                 if (action) {
2053                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2054                         ract->set_active ();
2055                 }
2056         }
2057 }
2058
2059 void
2060 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2061 {
2062         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2063                 /* we can't rely on the original string continuing to exist when we are called
2064                    again in the GUI thread, so make a copy and note that we need to
2065                    free it later.
2066                 */
2067                 char *copy = strdup (reason);
2068                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2069                 return;
2070         }
2071
2072         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2073         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2074
2075         update_sample_rate (0);
2076
2077         string msgstr;
2078
2079         /* if the reason is a non-empty string, it means that the backend was shutdown
2080            rather than just Ardour.
2081         */
2082
2083         if (strlen (reason)) {
2084                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2085         } else {
2086                 msgstr = string_compose (_("\
2087 JACK has either been shutdown or it\n\
2088 disconnected %1 because %1\n\
2089 was not fast enough. Try to restart\n\
2090 JACK, reconnect and save the session."), PROGRAM_NAME);
2091         }
2092
2093         MessageDialog msg (*editor, msgstr);
2094         pop_back_splash (msg);
2095         msg.set_keep_above (true);
2096         msg.run ();
2097
2098         if (free_reason) {
2099                 free (const_cast<char*> (reason));
2100         }
2101 }
2102
2103 int32_t
2104 ARDOUR_UI::do_engine_start ()
2105 {
2106         try {
2107                 engine->start();
2108         }
2109
2110         catch (...) {
2111                 engine->stop ();
2112                 error << _("Unable to start the session running")
2113                       << endmsg;
2114                 unload_session ();
2115                 return -2;
2116         }
2117
2118         return 0;
2119 }
2120
2121 void
2122 ARDOUR_UI::update_clocks ()
2123 {
2124         if (!editor || !editor->dragging_playhead()) {
2125                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2126         }
2127 }
2128
2129 void
2130 ARDOUR_UI::start_clocking ()
2131 {
2132         if (Config->get_super_rapid_clock_update()) {
2133                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2134         } else {
2135                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2136         }
2137 }
2138
2139 void
2140 ARDOUR_UI::stop_clocking ()
2141 {
2142         clock_signal_connection.disconnect ();
2143 }
2144
2145 gint
2146 ARDOUR_UI::_blink (void *arg)
2147 {
2148         ((ARDOUR_UI *) arg)->blink ();
2149         return TRUE;
2150 }
2151
2152 void
2153 ARDOUR_UI::blink ()
2154 {
2155         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2156 }
2157
2158 void
2159 ARDOUR_UI::start_blinking ()
2160 {
2161         /* Start the blink signal. Everybody with a blinking widget
2162            uses Blink to drive the widget's state.
2163         */
2164
2165         if (blink_timeout_tag < 0) {
2166                 blink_on = false;
2167                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2168         }
2169 }
2170
2171 void
2172 ARDOUR_UI::stop_blinking ()
2173 {
2174         if (blink_timeout_tag >= 0) {
2175                 g_source_remove (blink_timeout_tag);
2176                 blink_timeout_tag = -1;
2177         }
2178 }
2179
2180
2181 /** Ask the user for the name of a new snapshot and then take it.
2182  */
2183
2184 void
2185 ARDOUR_UI::snapshot_session (bool switch_to_it)
2186 {
2187         ArdourPrompter prompter (true);
2188         string snapname;
2189
2190         prompter.set_name ("Prompter");
2191         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2192         prompter.set_title (_("Take Snapshot"));
2193         prompter.set_prompt (_("Name of new snapshot"));
2194
2195         if (!switch_to_it) {
2196                 char timebuf[128];
2197                 time_t n;
2198                 struct tm local_time;
2199
2200                 time (&n);
2201                 localtime_r (&n, &local_time);
2202                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2203                 prompter.set_initial_text (timebuf);
2204         }
2205
2206   again:
2207         switch (prompter.run()) {
2208         case RESPONSE_ACCEPT:
2209         {
2210                 prompter.get_result (snapname);
2211
2212                 bool do_save = (snapname.length() != 0);
2213
2214                 if (do_save) {
2215                         char illegal = Session::session_name_is_legal(snapname);
2216                         if (illegal) {
2217                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2218                                                      "snapshot names may not contain a '%1' character"), illegal));
2219                                 msg.run ();
2220                                 goto again;
2221                         }
2222                 }
2223
2224                 vector<std::string> p;
2225                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2226                 vector<string> n = get_file_names_no_extension (p);
2227                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2228
2229                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2230                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2231                         confirm.get_vbox()->pack_start (m, true, true);
2232                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2233                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2234                         confirm.show_all ();
2235                         switch (confirm.run()) {
2236                         case RESPONSE_CANCEL:
2237                                 do_save = false;
2238                         }
2239                 }
2240
2241                 if (do_save) {
2242                         save_state (snapname, switch_to_it);
2243                 }
2244                 break;
2245         }
2246
2247         default:
2248                 break;
2249         }
2250 }
2251
2252 /** Ask the user for a new session name and then rename the session to it.
2253  */
2254
2255 void
2256 ARDOUR_UI::rename_session ()
2257 {
2258         if (!_session) {
2259                 return;
2260         }
2261
2262         ArdourPrompter prompter (true);
2263         string name;
2264
2265         prompter.set_name ("Prompter");
2266         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2267         prompter.set_title (_("Rename Session"));
2268         prompter.set_prompt (_("New session name"));
2269
2270   again:
2271         switch (prompter.run()) {
2272         case RESPONSE_ACCEPT:
2273         {
2274                 prompter.get_result (name);
2275
2276                 bool do_rename = (name.length() != 0);
2277
2278                 if (do_rename) {
2279                         char illegal = Session::session_name_is_legal (name);
2280
2281                         if (illegal) {
2282                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2283                                                                      "session names may not contain a '%1' character"), illegal));
2284                                 msg.run ();
2285                                 goto again;
2286                         }
2287
2288                         switch (_session->rename (name)) {
2289                         case -1: {
2290                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2291                                 msg.set_position (WIN_POS_MOUSE);
2292                                 msg.run ();
2293                                 goto again;
2294                                 break;
2295                         }
2296                         case 0:
2297                                 break;
2298                         default: {
2299                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2300                                 msg.set_position (WIN_POS_MOUSE);
2301                                 msg.run ();
2302                                 break;
2303                         }
2304                         }
2305                 }
2306
2307                 break;
2308         }
2309
2310         default:
2311                 break;
2312         }
2313 }
2314
2315 void
2316 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2317 {
2318         XMLNode* node = new XMLNode (X_("UI"));
2319
2320         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2321                 if (!(*i)->rc_configured()) {
2322                         node->add_child_nocopy (*((*i)->get_state ()));
2323                 }
2324         }
2325
2326         node->add_child_nocopy (gui_object_state->get_state());
2327
2328         _session->add_extra_xml (*node);
2329
2330         save_state_canfail (name, switch_to_it);
2331 }
2332
2333 int
2334 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2335 {
2336         if (_session) {
2337                 int ret;
2338
2339                 if (name.length() == 0) {
2340                         name = _session->snap_name();
2341                 }
2342
2343                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2344                         return ret;
2345                 }
2346         }
2347
2348         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2349         editor->save_canvas_state ();
2350         return 0;
2351 }
2352
2353 void
2354 ARDOUR_UI::primary_clock_value_changed ()
2355 {
2356         if (_session) {
2357                 _session->request_locate (primary_clock->current_time ());
2358         }
2359 }
2360
2361 void
2362 ARDOUR_UI::big_clock_value_changed ()
2363 {
2364         if (_session) {
2365                 _session->request_locate (big_clock->current_time ());
2366         }
2367 }
2368
2369 void
2370 ARDOUR_UI::secondary_clock_value_changed ()
2371 {
2372         if (_session) {
2373                 _session->request_locate (secondary_clock->current_time ());
2374         }
2375 }
2376
2377 void
2378 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2379 {
2380         if (_session == 0) {
2381                 return;
2382         }
2383
2384         if (_session->step_editing()) {
2385                 return;
2386         }
2387
2388         Session::RecordState const r = _session->record_status ();
2389         bool const h = _session->have_rec_enabled_track ();
2390
2391         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2392                 if (onoff) {
2393                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2394                 } else {
2395                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2396                 }
2397         } else if (r == Session::Recording && h) {
2398                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2399         } else {
2400                 rec_button.unset_active_state ();
2401         }
2402 }
2403
2404 void
2405 ARDOUR_UI::save_template ()
2406 {
2407         ArdourPrompter prompter (true);
2408         string name;
2409
2410         if (!check_audioengine()) {
2411                 return;
2412         }
2413
2414         prompter.set_name (X_("Prompter"));
2415         prompter.set_title (_("Save Template"));
2416         prompter.set_prompt (_("Name for template:"));
2417         prompter.set_initial_text(_session->name() + _("-template"));
2418         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2419
2420         switch (prompter.run()) {
2421         case RESPONSE_ACCEPT:
2422                 prompter.get_result (name);
2423
2424                 if (name.length()) {
2425                         _session->save_template (name);
2426                 }
2427                 break;
2428
2429         default:
2430                 break;
2431         }
2432 }
2433
2434 void
2435 ARDOUR_UI::edit_metadata ()
2436 {
2437         SessionMetadataEditor dialog;
2438         dialog.set_session (_session);
2439         editor->ensure_float (dialog);
2440         dialog.run ();
2441 }
2442
2443 void
2444 ARDOUR_UI::import_metadata ()
2445 {
2446         SessionMetadataImporter dialog;
2447         dialog.set_session (_session);
2448         editor->ensure_float (dialog);
2449         dialog.run ();
2450 }
2451
2452 bool
2453 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2454 {
2455         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2456
2457         MessageDialog msg (str,
2458                            false,
2459                            Gtk::MESSAGE_WARNING,
2460                            Gtk::BUTTONS_YES_NO,
2461                            true);
2462
2463
2464         msg.set_name (X_("OpenExistingDialog"));
2465         msg.set_title (_("Open Existing Session"));
2466         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2467         msg.set_position (Gtk::WIN_POS_MOUSE);
2468         pop_back_splash (msg);
2469
2470         switch (msg.run()) {
2471         case RESPONSE_YES:
2472                 return true;
2473                 break;
2474         }
2475         return false;
2476 }
2477
2478 int
2479 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2480 {
2481         BusProfile bus_profile;
2482
2483         if (nsm || Profile->get_sae()) {
2484
2485                 bus_profile.master_out_channels = 2;
2486                 bus_profile.input_ac = AutoConnectPhysical;
2487                 bus_profile.output_ac = AutoConnectMaster;
2488                 bus_profile.requested_physical_in = 0; // use all available
2489                 bus_profile.requested_physical_out = 0; // use all available
2490
2491         } else {
2492
2493                 /* get settings from advanced section of NSD */
2494
2495                 if (_startup->create_master_bus()) {
2496                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2497                 } else {
2498                         bus_profile.master_out_channels = 0;
2499                 }
2500
2501                 if (_startup->connect_inputs()) {
2502                         bus_profile.input_ac = AutoConnectPhysical;
2503                 } else {
2504                         bus_profile.input_ac = AutoConnectOption (0);
2505                 }
2506
2507                 bus_profile.output_ac = AutoConnectOption (0);
2508
2509                 if (_startup->connect_outputs ()) {
2510                         if (_startup->connect_outs_to_master()) {
2511                                 bus_profile.output_ac = AutoConnectMaster;
2512                         } else if (_startup->connect_outs_to_physical()) {
2513                                 bus_profile.output_ac = AutoConnectPhysical;
2514                         }
2515                 }
2516
2517                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2518                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2519         }
2520
2521         if (build_session (session_path, session_name, bus_profile)) {
2522                 return -1;
2523         }
2524
2525         return 0;
2526 }
2527
2528 void
2529 ARDOUR_UI::idle_load (const std::string& path)
2530 {
2531         if (_session) {
2532                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2533                         /* /path/to/foo => /path/to/foo, foo */
2534                         load_session (path, basename_nosuffix (path));
2535                 } else {
2536                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2537                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2538                 }
2539
2540         } else {
2541                 ARDOUR_COMMAND_LINE::session_name = path;
2542         }
2543 }
2544
2545 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2546 int
2547 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2548 {
2549         string session_name;
2550         string session_path;
2551         string template_name;
2552         int ret = -1;
2553         bool likely_new = false;
2554
2555         /* deal with any existing DIRTY session now, rather than later. don't
2556          * treat a non-dirty session this way, so that it stays visible
2557          * as we bring up the new session dialog.
2558          */
2559 #ifdef WITH_VIDEOTIMELINE
2560         if (_session && ARDOUR_UI::instance()->video_timeline) {
2561                 ARDOUR_UI::instance()->video_timeline->close_session();
2562         }
2563 #endif
2564         if (_session && _session->dirty()) {
2565                 if (unload_session (false)) {
2566                         /* unload cancelled by user */
2567                         return 0;
2568                 }
2569                 ARDOUR_COMMAND_LINE::session_name = "";
2570         }
2571
2572         if (!load_template.empty()) {
2573                 should_be_new = true;
2574                 template_name = load_template;
2575         }
2576
2577         while (ret != 0) {
2578
2579                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2580
2581                         /* if they named a specific statefile, use it, otherwise they are
2582                            just giving a session folder, and we want to use it as is
2583                            to find the session.
2584                         */
2585
2586                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2587
2588                         if (suffix != string::npos) {
2589                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2590                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2591                                 session_name = Glib::path_get_basename (session_name);
2592                         } else {
2593                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2594                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2595                         }
2596                 } else {
2597                         session_path = "";
2598                         session_name = "";
2599                 }
2600
2601                 delete _startup;
2602                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2603
2604                 if (!_startup->ready_without_display()) {
2605                         _startup->present ();
2606                         main().run();
2607                         _startup->hide ();
2608                 }
2609
2610                 switch (_startup->response()) {
2611                 case RESPONSE_OK:
2612                         break;
2613                 default:
2614                         if (quit_on_cancel) {
2615                                 exit (1);
2616                         } else {
2617                                 return ret;
2618                         }
2619                 }
2620
2621                 /* if we run the startup dialog again, offer more than just "new session" */
2622
2623                 should_be_new = false;
2624
2625                 session_name = _startup->session_name (likely_new);
2626
2627                 if (nsm) {
2628                         likely_new = true;
2629                 }
2630
2631                 string::size_type suffix = session_name.find (statefile_suffix);
2632
2633                 if (suffix != string::npos) {
2634                         session_name = session_name.substr (0, suffix);
2635                 }
2636
2637                 /* this shouldn't happen, but we catch it just in case it does */
2638
2639                 if (session_name.empty()) {
2640                         continue;
2641                 }
2642
2643                 if (_startup->use_session_template()) {
2644                         template_name = _startup->session_template_name();
2645                         _session_is_new = true;
2646                 }
2647
2648                 if (session_name[0] == G_DIR_SEPARATOR ||
2649                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2650                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2651
2652                         /* absolute path or cwd-relative path specified for session name: infer session folder
2653                            from what was given.
2654                         */
2655
2656                         session_path = Glib::path_get_dirname (session_name);
2657                         session_name = Glib::path_get_basename (session_name);
2658
2659                 } else {
2660
2661                         session_path = _startup->session_folder();
2662
2663                         char illegal = Session::session_name_is_legal (session_name);
2664
2665                         if (illegal) {
2666                                 MessageDialog msg (*_startup,
2667                                                    string_compose (_("To ensure compatibility with various systems\n"
2668                                                                      "session names may not contain a '%1' character"),
2669                                                                    illegal));
2670                                 msg.run ();
2671                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2672                                 continue;
2673                         }
2674                 }
2675
2676                 if (create_engine ()) {
2677                         break;
2678                 }
2679
2680                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2681
2682                         if (likely_new && !nsm) {
2683
2684                                 std::string existing = Glib::build_filename (session_path, session_name);
2685
2686                                 if (!ask_about_loading_existing_session (existing)) {
2687                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2688                                         continue;
2689                                 }
2690                         }
2691
2692                         _session_is_new = false;
2693
2694                 } else {
2695
2696                         if (!likely_new) {
2697                                 if (_startup) {
2698                                         pop_back_splash (*_startup);
2699                                 } else {
2700                                         hide_splash ();
2701                                 }
2702
2703                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2704                                 msg.run ();
2705                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2706                                 continue;
2707                         }
2708
2709                         char illegal = Session::session_name_is_legal(session_name);
2710                         if (illegal) {
2711                                 pop_back_splash (*_startup);
2712                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2713                                                      "session names may not contain a '%1' character"), illegal));
2714                                 msg.run ();
2715                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2716                                 continue;
2717                         }
2718
2719                         _session_is_new = true;
2720                 }
2721
2722                 if (likely_new && template_name.empty()) {
2723
2724                         ret = build_session_from_nsd (session_path, session_name);
2725
2726                 } else {
2727
2728                         ret = load_session (session_path, session_name, template_name);
2729
2730                         if (ret == -2) {
2731                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2732                                 exit (1);
2733                         }
2734
2735                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2736                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2737                                 exit (1);
2738                         }
2739                 }
2740         }
2741
2742         return ret;
2743 }
2744
2745 void
2746 ARDOUR_UI::close_session()
2747 {
2748 #ifdef WITH_VIDEOTIMELINE
2749         ARDOUR_UI::instance()->video_timeline->close_session();
2750 #endif
2751         if (!check_audioengine()) {
2752                 return;
2753         }
2754
2755         if (unload_session (true)) {
2756                 return;
2757         }
2758
2759         ARDOUR_COMMAND_LINE::session_name = "";
2760
2761         if (get_session_parameters (true, false)) {
2762                 exit (1);
2763         }
2764
2765         goto_editor_window ();
2766 }
2767
2768 /** @param snap_name Snapshot name (without .ardour suffix).
2769  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2770  */
2771 int
2772 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2773 {
2774         Session *new_session;
2775         int unload_status;
2776         int retval = -1;
2777
2778         session_loaded = false;
2779
2780         if (!check_audioengine()) {
2781                 return -2;
2782         }
2783
2784         unload_status = unload_session ();
2785
2786         if (unload_status < 0) {
2787                 goto out;
2788         } else if (unload_status > 0) {
2789                 retval = 0;
2790                 goto out;
2791         }
2792
2793         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2794
2795         try {
2796                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2797         }
2798
2799         /* this one is special */
2800
2801         catch (AudioEngine::PortRegistrationFailure& err) {
2802
2803                 MessageDialog msg (err.what(),
2804                                    true,
2805                                    Gtk::MESSAGE_INFO,
2806                                    Gtk::BUTTONS_CLOSE);
2807
2808                 msg.set_title (_("Port Registration Error"));
2809                 msg.set_secondary_text (_("Click the Close button to try again."));
2810                 msg.set_position (Gtk::WIN_POS_CENTER);
2811                 pop_back_splash (msg);
2812                 msg.present ();
2813
2814                 int response = msg.run ();
2815
2816                 msg.hide ();
2817
2818                 switch (response) {
2819                 case RESPONSE_CANCEL:
2820                         exit (1);
2821                 default:
2822                         break;
2823                 }
2824                 goto out;
2825         }
2826
2827         catch (...) {
2828
2829                 MessageDialog msg (string_compose(
2830                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2831                                            path, snap_name),
2832                                    true,
2833                                    Gtk::MESSAGE_INFO,
2834                                    BUTTONS_OK);
2835
2836                 msg.set_title (_("Loading Error"));
2837                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2838                 msg.add_button (Stock::REFRESH, 1);
2839                 msg.set_position (Gtk::WIN_POS_CENTER);
2840                 pop_back_splash (msg);
2841                 msg.present ();
2842
2843                 int response = msg.run ();
2844
2845                 switch (response) {
2846                 case 1:
2847                         break;
2848                 default:
2849                         exit (1);
2850                 }
2851
2852                 msg.hide ();
2853
2854                 goto out;
2855         }
2856
2857         {
2858                 list<string> const u = new_session->unknown_processors ();
2859                 if (!u.empty()) {
2860                         MissingPluginDialog d (_session, u);
2861                         d.run ();
2862                 }
2863         }
2864
2865         /* Now the session been created, add the transport controls */
2866         new_session->add_controllable(roll_controllable);
2867         new_session->add_controllable(stop_controllable);
2868         new_session->add_controllable(goto_start_controllable);
2869         new_session->add_controllable(goto_end_controllable);
2870         new_session->add_controllable(auto_loop_controllable);
2871         new_session->add_controllable(play_selection_controllable);
2872         new_session->add_controllable(rec_controllable);
2873
2874         set_session (new_session);
2875
2876         session_loaded = true;
2877
2878         goto_editor_window ();
2879
2880         if (_session) {
2881                 _session->set_clean ();
2882         }
2883
2884         flush_pending ();
2885         retval = 0;
2886
2887   out:
2888         return retval;
2889 }
2890
2891 int
2892 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2893 {
2894         Session *new_session;
2895         int x;
2896
2897         if (!check_audioengine()) {
2898                 return -1;
2899         }
2900
2901         session_loaded = false;
2902
2903         x = unload_session ();
2904
2905         if (x < 0) {
2906                 return -1;
2907         } else if (x > 0) {
2908                 return 0;
2909         }
2910
2911         _session_is_new = true;
2912
2913         try {
2914                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2915         }
2916
2917         catch (...) {
2918
2919                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2920                 pop_back_splash (msg);
2921                 msg.run ();
2922                 return -1;
2923         }
2924
2925         /* Give the new session the default GUI state, if such things exist */
2926
2927         XMLNode* n;
2928         n = Config->instant_xml (X_("Editor"));
2929         if (n) {
2930                 new_session->add_instant_xml (*n, false);
2931         }
2932         n = Config->instant_xml (X_("Mixer"));
2933         if (n) {
2934                 new_session->add_instant_xml (*n, false);
2935         }
2936
2937         /* Put the playhead at 0 and scroll fully left */
2938         n = new_session->instant_xml (X_("Editor"));
2939         if (n) {
2940                 n->add_property (X_("playhead"), X_("0"));
2941                 n->add_property (X_("left-frame"), X_("0"));
2942         }
2943
2944         set_session (new_session);
2945
2946         session_loaded = true;
2947
2948         new_session->save_state(new_session->name());
2949
2950         return 0;
2951 }
2952
2953 void
2954 ARDOUR_UI::launch_chat ()
2955 {
2956 #ifdef __APPLE__
2957         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2958 #else
2959         open_uri("http://webchat.freenode.net/?channels=ardour");
2960 #endif
2961 }
2962
2963 void
2964 ARDOUR_UI::show_about ()
2965 {
2966         if (about == 0) {
2967                 about = new About;
2968                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2969         }
2970
2971         about->set_transient_for(*editor);
2972         about->show_all ();
2973 }
2974
2975 void
2976 ARDOUR_UI::launch_manual ()
2977 {
2978         PBD::open_uri (Config->get_tutorial_manual_url());
2979 }
2980
2981 void
2982 ARDOUR_UI::launch_reference ()
2983 {
2984         PBD::open_uri (Config->get_reference_manual_url());
2985 }
2986
2987 void
2988 ARDOUR_UI::hide_about ()
2989 {
2990         if (about) {
2991                 about->get_window()->set_cursor ();
2992                 about->hide ();
2993         }
2994 }
2995
2996 void
2997 ARDOUR_UI::about_signal_response (int /*response*/)
2998 {
2999         hide_about();
3000 }
3001
3002 void
3003 ARDOUR_UI::loading_message (const std::string& msg)
3004 {
3005         if (ARDOUR_COMMAND_LINE::no_splash) {
3006                 return;
3007         }
3008
3009         if (!splash) {
3010                 show_splash ();
3011         }
3012
3013         splash->message (msg);
3014 }
3015
3016 void
3017 ARDOUR_UI::show_splash ()
3018 {
3019         if (splash == 0) {
3020                 try {
3021                         splash = new Splash;
3022                 } catch (...) {
3023                         return;
3024                 }
3025         }
3026
3027         splash->display ();
3028 }
3029
3030 void
3031 ARDOUR_UI::hide_splash ()
3032 {
3033         delete splash;
3034         splash = 0;
3035 }
3036
3037 void
3038 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3039 {
3040         size_t removed;
3041
3042         removed = rep.paths.size();
3043
3044         if (removed == 0) {
3045                 MessageDialog msgd (*editor,
3046                                     _("No files were ready for clean-up"),
3047                                     true,
3048                                     Gtk::MESSAGE_INFO,
3049                                     Gtk::BUTTONS_OK);
3050                 msgd.set_title (_("Clean-up"));
3051                 msgd.set_secondary_text (_("If this seems suprising, \n\
3052 check for any existing snapshots.\n\
3053 These may still include regions that\n\
3054 require some unused files to continue to exist."));
3055
3056                 msgd.run ();
3057                 return;
3058         }
3059
3060         ArdourDialog results (_("Clean-up"), true, false);
3061
3062         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3063             CleanupResultsModelColumns() {
3064                     add (visible_name);
3065                     add (fullpath);
3066             }
3067             Gtk::TreeModelColumn<std::string> visible_name;
3068             Gtk::TreeModelColumn<std::string> fullpath;
3069         };
3070
3071
3072         CleanupResultsModelColumns results_columns;
3073         Glib::RefPtr<Gtk::ListStore> results_model;
3074         Gtk::TreeView results_display;
3075
3076         results_model = ListStore::create (results_columns);
3077         results_display.set_model (results_model);
3078         results_display.append_column (list_title, results_columns.visible_name);
3079
3080         results_display.set_name ("CleanupResultsList");
3081         results_display.set_headers_visible (true);
3082         results_display.set_headers_clickable (false);
3083         results_display.set_reorderable (false);
3084
3085         Gtk::ScrolledWindow list_scroller;
3086         Gtk::Label txt;
3087         Gtk::VBox dvbox;
3088         Gtk::HBox dhbox;  // the hbox for the image and text
3089         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3090         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3091
3092         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3093
3094         const string dead_directory = _session->session_directory().dead_path();
3095
3096         /* subst:
3097            %1 - number of files removed
3098            %2 - location of "dead"
3099            %3 - size of files affected
3100            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3101         */
3102
3103         const char* bprefix;
3104         double space_adjusted = 0;
3105
3106         if (rep.space < 1000) {
3107                 bprefix = X_("");
3108                 space_adjusted = rep.space;
3109         } else if (rep.space < 1000000) {
3110                 bprefix = _("kilo");
3111                 space_adjusted = truncf((float)rep.space / 1000.0);
3112         } else if (rep.space < 1000000 * 1000) {
3113                 bprefix = _("mega");
3114                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3115         } else {
3116                 bprefix = _("giga");
3117                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3118         }
3119
3120         if (msg_delete) {
3121                 txt.set_markup (string_compose (P_("\
3122 The following file was deleted from %2,\n\
3123 releasing %3 %4bytes of disk space", "\
3124 The following %1 files were deleted from %2,\n\
3125 releasing %3 %4bytes of disk space", removed),
3126                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3127         } else {
3128                 txt.set_markup (string_compose (P_("\
3129 The following file was not in use and \n\
3130 has been moved to: %2\n\n\
3131 After a restart of %5\n\n\
3132 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3133 will release an additional %3 %4bytes of disk space.\n", "\
3134 The following %1 files were not in use and \n\
3135 have been moved to: %2\n\n\
3136 After a restart of %5\n\n\
3137 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3138 will release an additional %3 %4bytes of disk space.\n", removed),
3139                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3140         }
3141
3142         dhbox.pack_start (*dimage, true, false, 5);
3143         dhbox.pack_start (txt, true, false, 5);
3144
3145         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3146                 TreeModel::Row row = *(results_model->append());
3147                 row[results_columns.visible_name] = *i;
3148                 row[results_columns.fullpath] = *i;
3149         }
3150
3151         list_scroller.add (results_display);
3152         list_scroller.set_size_request (-1, 150);
3153         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3154
3155         dvbox.pack_start (dhbox, true, false, 5);
3156         dvbox.pack_start (list_scroller, true, false, 5);
3157         ddhbox.pack_start (dvbox, true, false, 5);
3158
3159         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3160         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3161         results.set_default_response (RESPONSE_CLOSE);
3162         results.set_position (Gtk::WIN_POS_MOUSE);
3163
3164         results_display.show();
3165         list_scroller.show();
3166         txt.show();
3167         dvbox.show();
3168         dhbox.show();
3169         ddhbox.show();
3170         dimage->show();
3171
3172         //results.get_vbox()->show();
3173         results.set_resizable (false);
3174
3175         results.run ();
3176
3177 }
3178
3179 void
3180 ARDOUR_UI::cleanup ()
3181 {
3182         if (_session == 0) {
3183                 /* shouldn't happen: menu item is insensitive */
3184                 return;
3185         }
3186
3187
3188         MessageDialog checker (_("Are you sure you want to clean-up?"),
3189                                 true,
3190                                 Gtk::MESSAGE_QUESTION,
3191                                 Gtk::BUTTONS_NONE);
3192
3193         checker.set_title (_("Clean-up"));
3194
3195         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3196 ALL undo/redo information will be lost if you clean-up.\n\
3197 Clean-up will move all unused files to a \"dead\" location."));
3198
3199         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3200         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3201         checker.set_default_response (RESPONSE_CANCEL);
3202
3203         checker.set_name (_("CleanupDialog"));
3204         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3205         checker.set_position (Gtk::WIN_POS_MOUSE);
3206
3207         switch (checker.run()) {
3208         case RESPONSE_ACCEPT:
3209                 break;
3210         default:
3211                 return;
3212         }
3213
3214         ARDOUR::CleanupReport rep;
3215
3216         editor->prepare_for_cleanup ();
3217
3218         /* do not allow flush until a session is reloaded */
3219
3220         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3221         if (act) {
3222                 act->set_sensitive (false);
3223         }
3224
3225         if (_session->cleanup_sources (rep)) {
3226                 editor->finish_cleanup ();
3227                 return;
3228         }
3229
3230         editor->finish_cleanup ();
3231
3232         checker.hide();
3233         display_cleanup_results (rep, _("Cleaned Files"), false);
3234 }
3235
3236 void
3237 ARDOUR_UI::flush_trash ()
3238 {
3239         if (_session == 0) {
3240                 /* shouldn't happen: menu item is insensitive */
3241                 return;
3242         }
3243
3244         ARDOUR::CleanupReport rep;
3245
3246         if (_session->cleanup_trash_sources (rep)) {
3247                 return;
3248         }
3249
3250         display_cleanup_results (rep, _("deleted file"), true);
3251 }
3252
3253 void
3254 ARDOUR_UI::add_route (Gtk::Window* float_window)
3255 {
3256         int count;
3257
3258         if (!_session) {
3259                 return;
3260         }
3261
3262         if (add_route_dialog == 0) {
3263                 add_route_dialog = new AddRouteDialog (_session);
3264                 add_route_dialog->set_position (WIN_POS_MOUSE);
3265                 if (float_window) {
3266                         add_route_dialog->set_transient_for (*float_window);
3267                 }
3268         }
3269
3270         if (add_route_dialog->is_visible()) {
3271                 /* we're already doing this */
3272                 return;
3273         }
3274
3275         ResponseType r = (ResponseType) add_route_dialog->run ();
3276
3277         add_route_dialog->hide();
3278
3279         switch (r) {
3280                 case RESPONSE_ACCEPT:
3281                         break;
3282                 default:
3283                         return;
3284                         break;
3285         }
3286
3287         if ((count = add_route_dialog->count()) <= 0) {
3288                 return;
3289         }
3290
3291         PBD::ScopedConnection idle_connection;
3292
3293         if (count > 8) {
3294                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3295         }
3296
3297         string template_path = add_route_dialog->track_template();
3298
3299         if (!template_path.empty()) {
3300                 if (add_route_dialog->name_template_is_default())  {
3301                         _session->new_route_from_template (count, template_path, string());
3302                 } else {
3303                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3304                 }
3305                 return;
3306         }
3307
3308         ChanCount input_chan= add_route_dialog->channels ();
3309         ChanCount output_chan;
3310         string name_template = add_route_dialog->name_template ();
3311         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3312         RouteGroup* route_group = add_route_dialog->route_group ();
3313         AutoConnectOption oac = Config->get_output_auto_connect();
3314
3315         if (oac & AutoConnectMaster) {
3316                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3317                 output_chan.set (DataType::MIDI, 0);
3318         } else {
3319                 output_chan = input_chan;
3320         }
3321
3322         /* XXX do something with name template */
3323
3324         switch (add_route_dialog->type_wanted()) {
3325         case AddRouteDialog::AudioTrack:
3326                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3327                 break;
3328         case AddRouteDialog::MidiTrack:
3329                 session_add_midi_track (route_group, count, name_template, instrument);
3330                 break;
3331         case AddRouteDialog::MixedTrack:
3332                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3333                 break;
3334         case AddRouteDialog::AudioBus:
3335                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3336                 break;
3337         }
3338
3339         /* idle connection will end at scope end */
3340 }
3341
3342 #ifdef WITH_VIDEOTIMELINE
3343 void
3344 ARDOUR_UI::stop_video_server (bool ask_confirm)
3345 {
3346         if (!video_server_process && ask_confirm) {
3347                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3348         }
3349         if (video_server_process) {
3350                 if(ask_confirm) {
3351                         ArdourDialog confirm (_("Stop Video-Server"), true);
3352                         Label m (_("Do you really want to stop the Video Server?"));
3353                         confirm.get_vbox()->pack_start (m, true, true);
3354                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3355                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3356                         confirm.show_all ();
3357                         if (confirm.run() == RESPONSE_CANCEL) {
3358                                 return;
3359                         }
3360                 }
3361                 delete video_server_process;
3362                 video_server_process =0;
3363         }
3364 }
3365
3366 void
3367 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3368 {
3369   ARDOUR_UI::start_video_server( float_window, true);
3370 }
3371
3372 bool
3373 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3374 {
3375         if (!_session) {
3376                 return false;
3377         }
3378         if (popup_msg) {
3379                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3380                         if (video_server_process) {
3381                                 popup_error(_("The Video Server is already started."));
3382                         } else {
3383                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3384                         }
3385                 }
3386         }
3387
3388         int firsttime = 0;
3389         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3390                 if (firsttime++) {
3391                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3392                 }
3393                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3394                 if (float_window) {
3395                         video_server_dialog->set_transient_for (*float_window);
3396                 }
3397
3398                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3399                         video_server_dialog->hide();
3400                 } else {
3401                         ResponseType r = (ResponseType) video_server_dialog->run ();
3402                         video_server_dialog->hide();
3403                         if (r != RESPONSE_ACCEPT) { return false; }
3404                         if (video_server_dialog->show_again()) {
3405                                 Config->set_show_video_server_dialog(false);
3406                         }
3407                 }
3408
3409                 std::string icsd_exec = video_server_dialog->get_exec_path();
3410                 std::string icsd_docroot = video_server_dialog->get_docroot();
3411                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3412
3413                 struct stat sb;
3414                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3415                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3416                         continue;
3417                 }
3418                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3419                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3420                         warning << _("Given Video Server is not an executable file.") << endmsg;
3421                         continue;
3422                 }
3423
3424                 char **argp;
3425                 argp=(char**) calloc(9,sizeof(char*));
3426                 argp[0] = strdup(icsd_exec.c_str());
3427                 argp[1] = strdup("-P");
3428                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3429                 argp[3] = strdup("-p");
3430                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3431                 argp[5] = strdup("-C");
3432                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3433                 argp[7] = strdup(icsd_docroot.c_str());
3434                 argp[8] = 0;
3435                 stop_video_server();
3436
3437                 if (icsd_docroot == X_("/")) {
3438                         Config->set_video_advanced_setup(false);
3439                 } else {
3440                         std::ostringstream osstream;
3441                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3442                         Config->set_video_server_url(osstream.str());
3443                         Config->set_video_server_docroot(icsd_docroot);
3444                         Config->set_video_advanced_setup(true);
3445                 }
3446
3447                 video_server_process = new SystemExec(icsd_exec, argp);
3448                 video_server_process->start();
3449                 sleep(1);
3450         }
3451         return true;
3452 }
3453
3454 void
3455 ARDOUR_UI::add_video (Gtk::Window* float_window)
3456 {
3457         if (!_session) {
3458                 return;
3459         }
3460
3461         if (!start_video_server(float_window, false)) {
3462                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3463                 return;
3464         }
3465
3466         if (add_video_dialog == 0) {
3467                 add_video_dialog = new AddVideoDialog (_session);
3468                 if (float_window) {
3469                         add_video_dialog->set_transient_for (*float_window);
3470                 }
3471         }
3472
3473         if (add_video_dialog->is_visible()) {
3474                 /* we're already doing this */
3475                 return;
3476         }
3477         ResponseType r = (ResponseType) add_video_dialog->run ();
3478         add_video_dialog->hide();
3479         if (r != RESPONSE_ACCEPT) { return; }
3480
3481         bool local_file;
3482         std::string path = add_video_dialog->file_name(local_file);
3483         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3484
3485         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3486                 warning << string_compose(_("could not open %1"), path) << endmsg;
3487                 return;
3488         }
3489         if (!local_file && path.length() == 0) {
3490                 warning << _("no video-file selected") << endmsg;
3491                 return;
3492         }
3493
3494         switch (add_video_dialog->import_option()) {
3495                 case VTL_IMPORT_TRANSCODE:
3496                         {
3497                                 TranscodeVideoDialog *transcode_video_dialog;
3498                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3499                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3500                                 transcode_video_dialog->hide();
3501                                 if (r != RESPONSE_ACCEPT) {
3502                                         delete transcode_video_dialog;
3503                                         return;
3504                                 }
3505                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3506                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3507                                 }
3508                                 switch (transcode_video_dialog->import_option()) {
3509                                         case VTL_IMPORT_TRANSCODED:
3510                                                 path = transcode_video_dialog->get_filename();
3511                                                 local_file = true;
3512                                                 break;
3513                                         case VTL_IMPORT_REFERENCE:
3514                                                 break;
3515                                         default:
3516                                                 delete transcode_video_dialog;
3517                                                 return;
3518                                 }
3519                                 delete transcode_video_dialog;
3520                         }
3521                         break;
3522                 default:
3523                 case VTL_IMPORT_NONE:
3524                         break;
3525         }
3526
3527         /* strip _session->session_directory().video_path() from video file if possible */
3528         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3529                  path=path.substr(_session->session_directory().video_path().size());
3530                  if (path.at(0) == G_DIR_SEPARATOR) {
3531                          path=path.substr(1);
3532                  }
3533         }
3534
3535         video_timeline->set_update_session_fps(auto_set_session_fps);
3536         if (video_timeline->video_file_info(path, local_file)) {
3537                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3538                 node->add_property (X_("Filename"), path);
3539                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3540                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3541                 _session->add_extra_xml (*node);
3542                 _session->set_dirty ();
3543
3544                 _session->maybe_update_session_range(
3545                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3546                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3547
3548
3549                 if (add_video_dialog->launch_xjadeo() && local_file) {
3550                         editor->set_xjadeo_sensitive(true);
3551                         editor->toggle_xjadeo_proc(1);
3552                 } else {
3553                         editor->toggle_xjadeo_proc(0);
3554                 }
3555                 editor->toggle_ruler_video(true);
3556         }
3557 }
3558
3559 void
3560 ARDOUR_UI::remove_video ()
3561 {
3562         video_timeline->close_session();
3563         editor->toggle_ruler_video(false);
3564
3565         /* delete session state */
3566         XMLNode* node = new XMLNode(X_("Videotimeline"));
3567         _session->add_extra_xml(*node);
3568         node = new XMLNode(X_("Videomonitor"));
3569         _session->add_extra_xml(*node);
3570         stop_video_server();
3571 }
3572
3573 void
3574 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3575 {
3576         if (localcacheonly) {
3577                 video_timeline->vmon_update();
3578         } else {
3579                 video_timeline->flush_cache();
3580         }
3581         editor->queue_visual_videotimeline_update();
3582 }
3583 #endif
3584
3585 XMLNode*
3586 ARDOUR_UI::mixer_settings () const
3587 {
3588         XMLNode* node = 0;
3589
3590         if (_session) {
3591                 node = _session->instant_xml(X_("Mixer"));
3592         } else {
3593                 node = Config->instant_xml(X_("Mixer"));
3594         }
3595
3596         if (!node) {
3597                 node = new XMLNode (X_("Mixer"));
3598         }
3599
3600         return node;
3601 }
3602
3603 XMLNode*
3604 ARDOUR_UI::editor_settings () const
3605 {
3606         XMLNode* node = 0;
3607
3608         if (_session) {
3609                 node = _session->instant_xml(X_("Editor"));
3610         } else {
3611                 node = Config->instant_xml(X_("Editor"));
3612         }
3613
3614         if (!node) {
3615                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3616                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3617                 }
3618         }
3619
3620         if (!node) {
3621                 node = new XMLNode (X_("Editor"));
3622         }
3623
3624         return node;
3625 }
3626
3627 XMLNode*
3628 ARDOUR_UI::keyboard_settings () const
3629 {
3630         XMLNode* node = 0;
3631
3632         node = Config->extra_xml(X_("Keyboard"));
3633
3634         if (!node) {
3635                 node = new XMLNode (X_("Keyboard"));
3636         }
3637
3638         return node;
3639 }
3640
3641 void
3642 ARDOUR_UI::create_xrun_marker (framepos_t where)
3643 {
3644         editor->mouse_add_new_marker (where, false, true);
3645 }
3646
3647 void
3648 ARDOUR_UI::halt_on_xrun_message ()
3649 {
3650         MessageDialog msg (*editor,
3651                            _("Recording was stopped because your system could not keep up."));
3652         msg.run ();
3653 }
3654
3655 void
3656 ARDOUR_UI::xrun_handler (framepos_t where)
3657 {
3658         if (!_session) {
3659                 return;
3660         }
3661
3662         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3663
3664         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3665                 create_xrun_marker(where);
3666         }
3667
3668         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3669                 halt_on_xrun_message ();
3670         }
3671 }
3672
3673 void
3674 ARDOUR_UI::disk_overrun_handler ()
3675 {
3676         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3677
3678         if (!have_disk_speed_dialog_displayed) {
3679                 have_disk_speed_dialog_displayed = true;
3680                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3681 The disk system on your computer\n\
3682 was not able to keep up with %1.\n\
3683 \n\
3684 Specifically, it failed to write data to disk\n\
3685 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3686                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3687                 msg->show ();
3688         }
3689 }
3690
3691 void
3692 ARDOUR_UI::disk_underrun_handler ()
3693 {
3694         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3695
3696         if (!have_disk_speed_dialog_displayed) {
3697                 have_disk_speed_dialog_displayed = true;
3698                 MessageDialog* msg = new MessageDialog (
3699                         *editor, string_compose (_("The disk system on your computer\n\
3700 was not able to keep up with %1.\n\
3701 \n\
3702 Specifically, it failed to read data from disk\n\
3703 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3704                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3705                 msg->show ();
3706         }
3707 }
3708
3709 void
3710 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3711 {
3712         have_disk_speed_dialog_displayed = false;
3713         delete msg;
3714 }
3715
3716 void
3717 ARDOUR_UI::session_dialog (std::string msg)
3718 {
3719         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3720
3721         MessageDialog* d;
3722
3723         if (editor) {
3724                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3725         } else {
3726                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3727         }
3728
3729         d->show_all ();
3730         d->run ();
3731         delete d;
3732 }
3733
3734 int
3735 ARDOUR_UI::pending_state_dialog ()
3736 {
3737         HBox* hbox = new HBox();
3738         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3739         ArdourDialog dialog (_("Crash Recovery"), true);
3740         Label  message (string_compose (_("\
3741 This session appears to have been in the\n\
3742 middle of recording when %1 or\n\
3743 the computer was shutdown.\n\
3744 \n\
3745 %1 can recover any captured audio for\n\
3746 you, or it can ignore it. Please decide\n\
3747 what you would like to do.\n"), PROGRAM_NAME));
3748         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3749         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3750         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3751         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3752         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3753         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3754         dialog.set_default_response (RESPONSE_ACCEPT);
3755         dialog.set_position (WIN_POS_CENTER);
3756         message.show();
3757         image->show();
3758         hbox->show();
3759
3760         switch (dialog.run ()) {
3761         case RESPONSE_ACCEPT:
3762                 return 1;
3763         default:
3764                 return 0;
3765         }
3766 }
3767
3768 int
3769 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3770 {
3771         HBox* hbox = new HBox();
3772         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3773         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3774         Label  message (string_compose (_("\
3775 This session was created with a sample rate of %1 Hz, but\n\
3776 %2 is currently running at %3 Hz.  If you load this session,\n\
3777 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3778
3779         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3780         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3781         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3782         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3783         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3784         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3785         dialog.set_default_response (RESPONSE_ACCEPT);
3786         dialog.set_position (WIN_POS_CENTER);
3787         message.show();
3788         image->show();
3789         hbox->show();
3790
3791         switch (dialog.run ()) {
3792         case RESPONSE_ACCEPT:
3793                 return 0;
3794         default:
3795                 return 1;
3796         }
3797 }
3798
3799
3800 void
3801 ARDOUR_UI::disconnect_from_jack ()
3802 {
3803         if (engine) {
3804                 if (engine->disconnect_from_jack ()) {
3805                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3806                         msg.run ();
3807                 }
3808
3809                 update_sample_rate (0);
3810         }
3811 }
3812
3813 void
3814 ARDOUR_UI::reconnect_to_jack ()
3815 {
3816         if (engine) {
3817                 if (engine->reconnect_to_jack ()) {
3818                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3819                         msg.run ();
3820                 }
3821
3822                 update_sample_rate (0);
3823         }
3824 }
3825
3826 void
3827 ARDOUR_UI::use_config ()
3828 {
3829         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3830         if (node) {
3831                 set_transport_controllable_state (*node);
3832         }
3833 }
3834
3835 void
3836 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3837 {
3838         if (Config->get_primary_clock_delta_edit_cursor()) {
3839                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3840         } else {
3841                 primary_clock->set (pos);
3842         }
3843
3844         if (Config->get_secondary_clock_delta_edit_cursor()) {
3845                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3846         } else {
3847                 secondary_clock->set (pos);
3848         }
3849
3850         if (big_clock_window->get()) {
3851                 big_clock->set (pos);
3852         }
3853 #ifdef WITH_VIDEOTIMELINE
3854         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3855 #endif
3856 }
3857
3858
3859 void
3860 ARDOUR_UI::step_edit_status_change (bool yn)
3861 {
3862         // XXX should really store pre-step edit status of things
3863         // we make insensitive
3864
3865         if (yn) {
3866                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3867                 rec_button.set_sensitive (false);
3868         } else {
3869                 rec_button.unset_active_state ();;
3870                 rec_button.set_sensitive (true);
3871         }
3872 }
3873
3874 void
3875 ARDOUR_UI::record_state_changed ()
3876 {
3877         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3878
3879         if (!_session || !big_clock_window->get()) {
3880                 /* why bother - the clock isn't visible */
3881                 return;
3882         }
3883
3884         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3885                 big_clock->set_active (true);
3886         } else {
3887                 big_clock->set_active (false);
3888         }
3889 }
3890
3891 bool
3892 ARDOUR_UI::first_idle ()
3893 {
3894         if (_session) {
3895                 _session->allow_auto_play (true);
3896         }
3897
3898         if (editor) {
3899                 editor->first_idle();
3900         }
3901
3902         Keyboard::set_can_save_keybindings (true);
3903         return false;
3904 }
3905
3906 void
3907 ARDOUR_UI::store_clock_modes ()
3908 {
3909         XMLNode* node = new XMLNode(X_("ClockModes"));
3910
3911         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3912                 XMLNode* child = new XMLNode (X_("Clock"));
3913
3914                 child->add_property (X_("name"), (*x)->name());
3915                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3916                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3917
3918                 node->add_child_nocopy (*child);
3919         }
3920
3921         _session->add_extra_xml (*node);
3922         _session->set_dirty ();
3923 }
3924
3925 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3926         : Controllable (name), ui (u), type(tp)
3927 {
3928
3929 }
3930
3931 void
3932 ARDOUR_UI::TransportControllable::set_value (double val)
3933 {
3934         if (val < 0.5) {
3935                 /* do nothing: these are radio-style actions */
3936                 return;
3937         }
3938
3939         const char *action = 0;
3940
3941         switch (type) {
3942         case Roll:
3943                 action = X_("Roll");
3944                 break;
3945         case Stop:
3946                 action = X_("Stop");
3947                 break;
3948         case GotoStart:
3949                 action = X_("GotoStart");
3950                 break;
3951         case GotoEnd:
3952                 action = X_("GotoEnd");
3953                 break;
3954         case AutoLoop:
3955                 action = X_("Loop");
3956                 break;
3957         case PlaySelection:
3958                 action = X_("PlaySelection");
3959                 break;
3960         case RecordEnable:
3961                 action = X_("Record");
3962                 break;
3963         default:
3964                 break;
3965         }
3966
3967         if (action == 0) {
3968                 return;
3969         }
3970
3971         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3972
3973         if (act) {
3974                 act->activate ();
3975         }
3976 }
3977
3978 double
3979 ARDOUR_UI::TransportControllable::get_value (void) const
3980 {
3981         float val = 0.0;
3982
3983         switch (type) {
3984         case Roll:
3985                 break;
3986         case Stop:
3987                 break;
3988         case GotoStart:
3989                 break;
3990         case GotoEnd:
3991                 break;
3992         case AutoLoop:
3993                 break;
3994         case PlaySelection:
3995                 break;
3996         case RecordEnable:
3997                 break;
3998         default:
3999                 break;
4000         }
4001
4002         return val;
4003 }
4004
4005 void
4006 ARDOUR_UI::setup_profile ()
4007 {
4008         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4009                 Profile->set_small_screen ();
4010         }
4011
4012         if (getenv ("ARDOUR_SAE")) {
4013                 Profile->set_sae ();
4014                 Profile->set_single_package ();
4015         }
4016 }
4017
4018 /** Add a window proxy to our list, so that its state will be saved.
4019  *  This call also causes the window to be created and opened if its
4020  *  state was saved as `visible'.
4021  */
4022 void
4023 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4024 {
4025         _window_proxies.push_back (p);
4026         p->maybe_show ();
4027 }
4028
4029 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4030  *  is deleted, to prevent hanging pointers.
4031  */
4032 void
4033 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4034 {
4035         _window_proxies.remove (p);
4036 }
4037
4038 int
4039 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4040 {
4041         MissingFileDialog dialog (s, str, type);
4042
4043         dialog.show ();
4044         dialog.present ();
4045
4046         int result = dialog.run ();
4047         dialog.hide ();
4048
4049         switch (result) {
4050         case RESPONSE_OK:
4051                 break;
4052         default:
4053                 return 1; // quit entire session load
4054         }
4055
4056         result = dialog.get_action ();
4057
4058         return result;
4059 }
4060
4061 int
4062 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4063 {
4064         AmbiguousFileDialog dialog (file, hits);
4065
4066         dialog.show ();
4067         dialog.present ();
4068
4069         dialog.run ();
4070         return dialog.get_which ();
4071 }
4072
4073 /** Allocate our thread-local buffers */
4074 void
4075 ARDOUR_UI::get_process_buffers ()
4076 {
4077         _process_thread->get_buffers ();
4078 }
4079
4080 /** Drop our thread-local buffers */
4081 void
4082 ARDOUR_UI::drop_process_buffers ()
4083 {
4084         _process_thread->drop_buffers ();
4085 }
4086
4087 void
4088 ARDOUR_UI::feedback_detected ()
4089 {
4090         _feedback_exists = true;
4091 }
4092
4093 void
4094 ARDOUR_UI::successful_graph_sort ()
4095 {
4096         _feedback_exists = false;
4097 }
4098
4099 void
4100 ARDOUR_UI::midi_panic ()
4101 {
4102         if (_session) {
4103                 _session->midi_panic();
4104         }
4105 }
4106
4107 void
4108 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4109 {
4110         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4111         const char* end_big = "</span>";
4112         const char* start_mono = "<tt>";
4113         const char* end_mono = "</tt>";
4114
4115         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4116                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4117                                              "From now on, use the -2000 version with older versions of %3"),
4118                                            xml_path, backup_path, PROGRAM_NAME,
4119                                            start_big, end_big,
4120                                            start_mono, end_mono), true);
4121
4122         msg.run ();
4123 }