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 <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #include <stdint.h>
  31 #include <fcntl.h>
  32 #include <signal.h>
  33 #include <unistd.h>
  34 #include <time.h>
  35
  36 #include <sys/resource.h>
  37 #include <sys/types.h>
  38 #include <sys/sysctl.h>
  39
  40 #include <gtkmm/messagedialog.h>
  41 #include <gtkmm/accelmap.h>
  42
  43 #include "pbd/error.h"
  44 #include "pbd/basename.h"
  45 #include "pbd/compose.h"
  46 #include "pbd/failed_constructor.h"
  47 #include "pbd/enumwriter.h"
  48 #include "pbd/memento_command.h"
  49 #include "pbd/openuri.h"
  50 #include "pbd/file_utils.h"
  51
  52 #include "gtkmm2ext/application.h"
  53 #include "gtkmm2ext/bindings.h"
  54 #include "gtkmm2ext/gtk_ui.h"
  55 #include "gtkmm2ext/utils.h"
  56 #include "gtkmm2ext/click_box.h"
  57 #include "gtkmm2ext/fastmeter.h"
  58 #include "gtkmm2ext/popup.h"
  59 #include "gtkmm2ext/window_title.h"
  60
  61 #include "midi++/manager.h"
  62
  63 #include "ardour/ardour.h"
  64 #include "ardour/audioengine.h"
  65 #include "ardour/audiofilesource.h"
  66 #include "ardour/automation_watch.h"
  67 #include "ardour/diskstream.h"
  68 #include "ardour/filename_extensions.h"
  69 #include "ardour/filesystem_paths.h"
  70 #include "ardour/port.h"
  71 #include "ardour/process_thread.h"
  72 #include "ardour/profile.h"
  73 #include "ardour/recent_sessions.h"
  74 #include "ardour/session_directory.h"
  75 #include "ardour/session_route.h"
  76 #include "ardour/session_state_utils.h"
  77 #include "ardour/session_utils.h"
  78 #include "ardour/slave.h"
  79
  80 #include "timecode/time.h"
  81
  82 typedef uint64_t microseconds_t;
  83
  84 #include "about.h"
  85 #include "actions.h"
  86 #include "add_route_dialog.h"
  87 #include "ambiguous_file_dialog.h"
  88 #include "ardour_ui.h"
  89 #include "audio_clock.h"
  90 #include "big_clock_window.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 "keyeditor.h"
  99 #include "location_ui.h"
 100 #include "main_clock.h"
 101 #include "missing_file_dialog.h"
 102 #include "missing_plugin_dialog.h"
 103 #include "mixer_ui.h"
 104 #include "mouse_cursors.h"
 105 #include "opts.h"
 106 #include "pingback.h"
 107 #include "processor_box.h"
 108 #include "prompter.h"
 109 #include "public_editor.h"
 110 #include "rc_option_editor.h"
 111 #include "route_time_axis.h"
 112 #include "route_params_ui.h"
 113 #include "session_metadata_dialog.h"
 114 #include "session_option_editor.h"
 115 #include "shuttle_control.h"
 116 #include "speaker_dialog.h"
 117 #include "splash.h"
 118 #include "startup.h"
 119 #include "theme_manager.h"
 120 #include "time_axis_view_item.h"
 121 #include "utils.h"
 122 #include "video_server_dialog.h"
 123 #include "add_video_dialog.h"
 124 #include "transcode_video_dialog.h"
 125 #include "system_exec.h"
 126
 127 #include "i18n.h"
 128
 129 using namespace ARDOUR;
 130 using namespace PBD;
 131 using namespace Gtkmm2ext;
 132 using namespace Gtk;
 133 using namespace std;
 134
 135 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 136 UIConfiguration *ARDOUR_UI::ui_config = 0;
 137
 138 sigc::signal<void,bool> ARDOUR_UI::Blink;
 139 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 140 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 141 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 142 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 143
 144 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 145
 146         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 147
 148         , gui_object_state (new GUIObjectState)
 149
 150         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 151         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 152
 153           /* big clock */
 154
 155         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 156
 157           /* start of private members */
 158
 159         , _startup (0)
 160         , engine (0)
 161         , nsm (0)
 162         , _was_dirty (false)
 163         , _mixer_on_top (false)
 164
 165           /* transport */
 166
 167         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 168         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 169         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 170         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 171         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 172         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 173         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 174
 175         , auto_return_button (ArdourButton::led_default_elements)
 176         , follow_edits_button (ArdourButton::led_default_elements)
 177         , auto_input_button (ArdourButton::led_default_elements)
 178
 179         , auditioning_alert_button (_("audition"))
 180         , solo_alert_button (_("solo"))
 181         , feedback_alert_button (_("feedback"))
 182
 183         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 184         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 185         , key_editor (X_("key-editor"), _("Key Bindings"))
 186         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 187         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 188         , about (X_("about"), _("About"))
 189         , location_ui (X_("locations"), _("Locations"))
 190         , route_params (X_("inspector"), _("Tracks and Busses"))
 191         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 192         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 193         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 194         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 195         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 196         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 197
 198         , error_log_button (_("Errors"))
 199
 200         , _status_bar_visibility (X_("status-bar"))
 201         , _feedback_exists (false)
 202
 203 {
 204         Gtkmm2ext::init(localedir);
 205
 206         splash = 0;
 207
 208         if (theArdourUI == 0) {
 209                 theArdourUI = this;
 210         }
 211
 212         ui_config = new UIConfiguration();
 213
 214         editor = 0;
 215         mixer = 0;
 216         editor = 0;
 217         engine = 0;
 218         _session_is_new = false;
 219         session_selector_window = 0;
 220         last_key_press_time = 0;
 221         video_server_process = 0;
 222         open_session_selector = 0;
 223         have_configure_timeout = false;
 224         have_disk_speed_dialog_displayed = false;
 225         session_loaded = false;
 226         ignore_dual_punch = false;
 227
 228         roll_button.set_controllable (roll_controllable);
 229         stop_button.set_controllable (stop_controllable);
 230         goto_start_button.set_controllable (goto_start_controllable);
 231         goto_end_button.set_controllable (goto_end_controllable);
 232         auto_loop_button.set_controllable (auto_loop_controllable);
 233         play_selection_button.set_controllable (play_selection_controllable);
 234         rec_button.set_controllable (rec_controllable);
 235
 236         roll_button.set_name ("transport button");
 237         stop_button.set_name ("transport button");
 238         goto_start_button.set_name ("transport button");
 239         goto_end_button.set_name ("transport button");
 240         auto_loop_button.set_name ("transport button");
 241         play_selection_button.set_name ("transport button");
 242         rec_button.set_name ("transport recenable button");
 243         midi_panic_button.set_name ("transport button");
 244
 245         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 246         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 247         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 248
 249         last_configure_time= 0;
 250         last_peak_grab = 0;
 251
 252         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 253         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 254
 255         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 256
 257         /* handle dialog requests */
 258
 259         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 260
 261         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 262
 263         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 264
 265         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 266
 267         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 268
 269         /* handle requests to quit (coming from JACK session) */
 270
 271         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 272
 273         /* tell the user about feedback */
 274
 275         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 276         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 277
 278         /* handle requests to deal with missing files */
 279
 280         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 281
 282         /* and ambiguous files */
 283
 284         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 285
 286         /* lets get this party started */
 287
 288         try {
 289                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 290                         throw failed_constructor ();
 291                 }
 292
 293                 setup_gtk_ardour_enums ();
 294                 setup_profile ();
 295
 296                 SessionEvent::create_per_thread_pool ("GUI", 512);
 297
 298         } catch (failed_constructor& err) {
 299                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 300                 // pass it on up
 301                 throw;
 302         }
 303
 304         /* we like keyboards */
 305
 306         keyboard = new ArdourKeyboard(*this);
 307
 308         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 309         if (node) {
 310                 keyboard->set_state (*node, Stateful::loading_state_version);
 311         }
 312
 313         /* we don't like certain modifiers */
 314         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 315
 316         reset_dpi();
 317
 318         TimeAxisViewItem::set_constant_heights ();
 319
 320         /* Set this up so that our window proxies can register actions */
 321
 322         ActionManager::init ();
 323
 324         /* The following must happen after ARDOUR::init() so that Config is set up */
 325
 326         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 327
 328         if (ui_xml) {
 329                 theme_manager.set_state (*ui_xml);
 330                 key_editor.set_state (*ui_xml);
 331                 rc_option_editor.set_state (*ui_xml);
 332                 session_option_editor.set_state (*ui_xml);
 333                 speaker_config_window.set_state (*ui_xml);
 334                 about.set_state (*ui_xml);
 335                 add_route_dialog.set_state (*ui_xml);
 336                 add_video_dialog.set_state (*ui_xml);
 337                 route_params.set_state (*ui_xml);
 338                 bundle_manager.set_state (*ui_xml);
 339                 location_ui.set_state (*ui_xml);
 340                 big_clock_window.set_state (*ui_xml);
 341                 audio_port_matrix.set_state (*ui_xml);
 342                 midi_port_matrix.set_state (*ui_xml);
 343         }
 344
 345         WM::Manager::instance().register_window (&theme_manager);
 346         WM::Manager::instance().register_window (&key_editor);
 347         WM::Manager::instance().register_window (&rc_option_editor);
 348         WM::Manager::instance().register_window (&session_option_editor);
 349         WM::Manager::instance().register_window (&speaker_config_window);
 350         WM::Manager::instance().register_window (&about);
 351         WM::Manager::instance().register_window (&add_route_dialog);
 352         WM::Manager::instance().register_window (&add_video_dialog);
 353         WM::Manager::instance().register_window (&route_params);
 354         WM::Manager::instance().register_window (&bundle_manager);
 355         WM::Manager::instance().register_window (&location_ui);
 356         WM::Manager::instance().register_window (&big_clock_window);
 357         WM::Manager::instance().register_window (&audio_port_matrix);
 358         WM::Manager::instance().register_window (&midi_port_matrix);
 359
 360         /* We need to instantiate the theme manager because it loads our
 361            theme files. This should really change so that its window
 362            and its functionality are separate
 363         */
 364
 365         (void) theme_manager.get (true);
 366
 367         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 368         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 369
 370         _process_thread = new ProcessThread ();
 371         _process_thread->init ();
 372
 373         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 374 }
 375
 376 GlobalPortMatrixWindow*
 377 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 378 {
 379         if (!_session) {
 380                 return 0;
 381         }
 382         return new GlobalPortMatrixWindow (_session, type);
 383 }
 384
 385 int
 386 ARDOUR_UI::create_engine ()
 387 {
 388         // this gets called every time by new_session()
 389
 390         if (engine) {
 391                 return 0;
 392         }
 393
 394         loading_message (_("Starting audio engine"));
 395
 396         try {
 397                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 398
 399         } catch (...) {
 400
 401                 return -1;
 402         }
 403
 404         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 405         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 406         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 407
 408         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 409
 410         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 411
 412         post_engine ();
 413
 414         return 0;
 415 }
 416
 417 void
 418 ARDOUR_UI::post_engine ()
 419 {
 420         /* Things to be done once we create the AudioEngine
 421          */
 422
 423         ARDOUR::init_post_engine ();
 424
 425         _tooltips.enable();
 426
 427         ActionManager::load_menus ();
 428
 429         if (setup_windows ()) {
 430                 throw failed_constructor ();
 431         }
 432
 433         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 434         XMLNode* n = Config->extra_xml (X_("UI"));
 435         if (n) {
 436                 _status_bar_visibility.set_state (*n);
 437         }
 438
 439         check_memory_locking();
 440
 441         /* this is the first point at which all the keybindings are available */
 442
 443         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 444                 vector<string> names;
 445                 vector<string> paths;
 446                 vector<string> tooltips;
 447                 vector<string> keys;
 448                 vector<AccelKey> bindings;
 449
 450                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 451
 452                 vector<string>::iterator n;
 453                 vector<string>::iterator k;
 454                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 455                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 456                 }
 457
 458                 exit (0);
 459         }
 460
 461         blink_timeout_tag = -1;
 462
 463         /* this being a GUI and all, we want peakfiles */
 464
 465         AudioFileSource::set_build_peakfiles (true);
 466         AudioFileSource::set_build_missing_peakfiles (true);
 467
 468         /* set default clock modes */
 469
 470         if (Profile->get_sae()) {
 471                 primary_clock->set_mode (AudioClock::BBT);
 472                 secondary_clock->set_mode (AudioClock::MinSec);
 473         }  else {
 474                 primary_clock->set_mode (AudioClock::Timecode);
 475                 secondary_clock->set_mode (AudioClock::BBT);
 476         }
 477
 478         /* start the time-of-day-clock */
 479
 480 #ifndef GTKOSX
 481         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 482         update_wall_clock ();
 483         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 484 #endif
 485
 486         update_disk_space ();
 487         update_cpu_load ();
 488         update_sample_rate (engine->frame_rate());
 489         update_timecode_format ();
 490
 491         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 492         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 493         Config->map_parameters (pc);
 494
 495         /* now start and maybe save state */
 496
 497         if (do_engine_start () == 0) {
 498                 if (_session && _session_is_new) {
 499                         /* we need to retain initial visual
 500                            settings for a new session
 501                         */
 502                         _session->save_state ("");
 503                 }
 504         }
 505 }
 506
 507 ARDOUR_UI::~ARDOUR_UI ()
 508 {
 509         delete keyboard;
 510         delete editor;
 511         delete mixer;
 512
 513         stop_video_server();
 514 }
 515
 516 void
 517 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 518 {
 519         if (Splash::instance()) {
 520                 Splash::instance()->pop_back_for (win);
 521         }
 522 }
 523
 524 gint
 525 ARDOUR_UI::configure_timeout ()
 526 {
 527         if (last_configure_time == 0) {
 528                 /* no configure events yet */
 529                 return true;
 530         }
 531
 532         /* force a gap of 0.5 seconds since the last configure event
 533          */
 534
 535         if (get_microseconds() - last_configure_time < 500000) {
 536                 return true;
 537         } else {
 538                 have_configure_timeout = false;
 539                 save_ardour_state ();
 540                 return false;
 541         }
 542 }
 543
 544 gboolean
 545 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 546 {
 547         if (have_configure_timeout) {
 548                 last_configure_time = get_microseconds();
 549         } else {
 550                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 551                 have_configure_timeout = true;
 552         }
 553
 554         return FALSE;
 555 }
 556
 557 void
 558 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 559 {
 560         const XMLProperty* prop;
 561
 562         if ((prop = node.property ("roll")) != 0) {
 563                 roll_controllable->set_id (prop->value());
 564         }
 565         if ((prop = node.property ("stop")) != 0) {
 566                 stop_controllable->set_id (prop->value());
 567         }
 568         if ((prop = node.property ("goto-start")) != 0) {
 569                 goto_start_controllable->set_id (prop->value());
 570         }
 571         if ((prop = node.property ("goto-end")) != 0) {
 572                 goto_end_controllable->set_id (prop->value());
 573         }
 574         if ((prop = node.property ("auto-loop")) != 0) {
 575                 auto_loop_controllable->set_id (prop->value());
 576         }
 577         if ((prop = node.property ("play-selection")) != 0) {
 578                 play_selection_controllable->set_id (prop->value());
 579         }
 580         if ((prop = node.property ("rec")) != 0) {
 581                 rec_controllable->set_id (prop->value());
 582         }
 583         if ((prop = node.property ("shuttle")) != 0) {
 584                 shuttle_box->controllable()->set_id (prop->value());
 585         }
 586 }
 587
 588 XMLNode&
 589 ARDOUR_UI::get_transport_controllable_state ()
 590 {
 591         XMLNode* node = new XMLNode(X_("TransportControllables"));
 592         char buf[64];
 593
 594         roll_controllable->id().print (buf, sizeof (buf));
 595         node->add_property (X_("roll"), buf);
 596         stop_controllable->id().print (buf, sizeof (buf));
 597         node->add_property (X_("stop"), buf);
 598         goto_start_controllable->id().print (buf, sizeof (buf));
 599         node->add_property (X_("goto_start"), buf);
 600         goto_end_controllable->id().print (buf, sizeof (buf));
 601         node->add_property (X_("goto_end"), buf);
 602         auto_loop_controllable->id().print (buf, sizeof (buf));
 603         node->add_property (X_("auto_loop"), buf);
 604         play_selection_controllable->id().print (buf, sizeof (buf));
 605         node->add_property (X_("play_selection"), buf);
 606         rec_controllable->id().print (buf, sizeof (buf));
 607         node->add_property (X_("rec"), buf);
 608         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 609         node->add_property (X_("shuttle"), buf);
 610
 611         return *node;
 612 }
 613
 614
 615 gint
 616 ARDOUR_UI::autosave_session ()
 617 {
 618         if (g_main_depth() > 1) {
 619                 /* inside a recursive main loop,
 620                    give up because we may not be able to
 621                    take a lock.
 622                 */
 623                 return 1;
 624         }
 625
 626         if (!Config->get_periodic_safety_backups()) {
 627                 return 1;
 628         }
 629
 630         if (_session) {
 631                 _session->maybe_write_autosave();
 632         }
 633
 634         return 1;
 635 }
 636
 637 void
 638 ARDOUR_UI::update_autosave ()
 639 {
 640         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 641
 642         if (_session && _session->dirty()) {
 643                 if (_autosave_connection.connected()) {
 644                         _autosave_connection.disconnect();
 645                 }
 646
 647                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 648                                 Config->get_periodic_safety_backup_interval() * 1000);
 649
 650         } else {
 651                 if (_autosave_connection.connected()) {
 652                         _autosave_connection.disconnect();
 653                 }
 654         }
 655 }
 656
 657 void
 658 ARDOUR_UI::check_announcements ()
 659 {
 660 #ifdef PHONE_HOME
 661         string _annc_filename;
 662
 663 #ifdef __APPLE__
 664         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 665 #else
 666         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 667 #endif
 668         _annc_filename.append (VERSIONSTRING);
 669
 670         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 671         std::ifstream announce_file (path.c_str());
 672         if ( announce_file.fail() )
 673                 _announce_string = "";
 674         else {
 675                 std::stringstream oss;
 676                 oss << announce_file.rdbuf();
 677                 _announce_string = oss.str();
 678         }
 679
 680         pingback (VERSIONSTRING, path);
 681 #endif
 682 }
 683
 684 void
 685 ARDOUR_UI::startup ()
 686 {
 687         Application* app = Application::instance ();
 688         char *nsm_url;
 689         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 690         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 691
 692         if (ARDOUR_COMMAND_LINE::check_announcements) {
 693                 check_announcements ();
 694         }
 695
 696         app->ready ();
 697
 698         nsm_url = getenv ("NSM_URL");
 699
 700         if (nsm_url) {
 701                 nsm = new NSM_Client;
 702                 if (!nsm->init (nsm_url)) {
 703                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 704
 705                         unsigned int i = 0;
 706                         // wait for announce reply from nsm server
 707                         for ( i = 0; i < 5000; ++i) {
 708                                 nsm->check ();
 709                                 usleep (i);
 710                                 if (nsm->is_active())
 711                                         break;
 712                         }
 713                         // wait for open command from nsm server
 714                         for ( i = 0; i < 5000; ++i) {
 715                                 nsm->check ();
 716                                 usleep (1000);
 717                                 if (nsm->client_id ())
 718                                         break;
 719                         }
 720
 721                         if (_session && nsm) {
 722                                 _session->set_nsm_state( nsm->is_active() );
 723                         }
 724
 725                         // nsm requires these actions disabled
 726                         vector<string> action_names;
 727                         action_names.push_back("SaveAs");
 728                         action_names.push_back("Rename");
 729                         action_names.push_back("New");
 730                         action_names.push_back("Open");
 731                         action_names.push_back("Recent");
 732                         action_names.push_back("Close");
 733
 734                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 735                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 736                                 if (act) {
 737                                         act->set_sensitive (false);
 738                                 }
 739                         }
 740
 741                 }
 742                 else {
 743                         delete nsm;
 744                         nsm = 0;
 745                 }
 746         }
 747
 748         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 749                 exit (1);
 750         }
 751
 752         use_config ();
 753
 754         goto_editor_window ();
 755
 756         WM::Manager::instance().show_visible ();
 757
 758         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 759          * editor window, and we may want stuff to be hidden.
 760          */
 761         _status_bar_visibility.update ();
 762
 763         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 764 }
 765
 766 void
 767 ARDOUR_UI::no_memory_warning ()
 768 {
 769         XMLNode node (X_("no-memory-warning"));
 770         Config->add_instant_xml (node);
 771 }
 772
 773 void
 774 ARDOUR_UI::check_memory_locking ()
 775 {
 776 #ifdef __APPLE__
 777         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 778         return;
 779 #else // !__APPLE__
 780
 781         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 782
 783         if (engine->is_realtime() && memory_warning_node == 0) {
 784
 785                 struct rlimit limits;
 786                 int64_t ram;
 787                 long pages, page_size;
 788 #ifdef __FreeBSD__
 789                 size_t pages_len=sizeof(pages);
 790                 if ((page_size = getpagesize()) < 0 ||
 791                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 792 #else
 793                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 794 #endif
 795                 {
 796                         ram = 0;
 797                 } else {
 798                         ram = (int64_t) pages * (int64_t) page_size;
 799                 }
 800
 801                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 802                         return;
 803                 }
 804
 805                 if (limits.rlim_cur != RLIM_INFINITY) {
 806
 807                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 808
 809                                 MessageDialog msg (
 810                                         string_compose (
 811                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 812                                                   "This might cause %1 to run out of memory before your system "
 813                                                   "runs out of memory. \n\n"
 814                                                   "You can view the memory limit with 'ulimit -l', "
 815                                                   "and it is normally controlled by %2"),
 816                                                 PROGRAM_NAME,
 817 #ifdef __FreeBSD__
 818                                                 X_("/etc/login.conf")
 819 #else
 820                                                 X_(" /etc/security/limits.conf")
 821 #endif
 822                                         ).c_str());
 823
 824                                 msg.set_default_response (RESPONSE_OK);
 825
 826                                 VBox* vbox = msg.get_vbox();
 827                                 HBox hbox;
 828                                 CheckButton cb (_("Do not show this window again"));
 829
 830                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 831
 832                                 hbox.pack_start (cb, true, false);
 833                                 vbox->pack_start (hbox);
 834                                 cb.show();
 835                                 vbox->show();
 836                                 hbox.show ();
 837
 838                                 pop_back_splash (msg);
 839
 840                                 editor->ensure_float (msg);
 841                                 msg.run ();
 842                         }
 843                 }
 844         }
 845 #endif // !__APPLE__
 846 }
 847
 848
 849 void
 850 ARDOUR_UI::queue_finish ()
 851 {
 852         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 853 }
 854
 855 bool
 856 ARDOUR_UI::idle_finish ()
 857 {
 858         finish ();
 859         return false; /* do not call again */
 860 }
 861
 862 void
 863 ARDOUR_UI::finish()
 864 {
 865         if (_session) {
 866                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 867
 868                 if (_session->dirty()) {
 869                         vector<string> actions;
 870                         actions.push_back (_("Don't quit"));
 871                         actions.push_back (_("Just quit"));
 872                         actions.push_back (_("Save and quit"));
 873                         switch (ask_about_saving_session(actions)) {
 874                         case -1:
 875                                 return;
 876                                 break;
 877                         case 1:
 878                                 /* use the default name */
 879                                 if (save_state_canfail ("")) {
 880                                         /* failed - don't quit */
 881                                         MessageDialog msg (*editor,
 882                                                            string_compose (_("\
 883 %1 was unable to save your session.\n\n\
 884 If you still wish to quit, please use the\n\n\
 885 \"Just quit\" option."), PROGRAM_NAME));
 886                                         pop_back_splash(msg);
 887                                         msg.run ();
 888                                         return;
 889                                 }
 890                                 break;
 891                         case 0:
 892                                 break;
 893                         }
 894                 }
 895
 896                 second_connection.disconnect ();
 897                 point_one_second_connection.disconnect ();
 898                 point_oh_five_second_connection.disconnect ();
 899                 point_zero_one_second_connection.disconnect();
 900         }
 901
 902         delete ARDOUR_UI::instance()->video_timeline;
 903         stop_video_server();
 904
 905         /* Save state before deleting the session, as that causes some
 906            windows to be destroyed before their visible state can be
 907            saved.
 908         */
 909         save_ardour_state ();
 910
 911         close_all_dialogs ();
 912
 913         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 914
 915         if (_session) {
 916                 // _session->set_deletion_in_progress ();
 917                 _session->set_clean ();
 918                 _session->remove_pending_capture_state ();
 919                 delete _session;
 920                 _session = 0;
 921         }
 922
 923         engine->stop (true);
 924         quit ();
 925 }
 926
 927 int
 928 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 929 {
 930         ArdourDialog window (_("Unsaved Session"));
 931         Gtk::HBox dhbox;  // the hbox for the image and text
 932         Gtk::Label  prompt_label;
 933         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 934
 935         string msg;
 936
 937         assert (actions.size() >= 3);
 938
 939         window.add_button (actions[0], RESPONSE_REJECT);
 940         window.add_button (actions[1], RESPONSE_APPLY);
 941         window.add_button (actions[2], RESPONSE_ACCEPT);
 942
 943         window.set_default_response (RESPONSE_ACCEPT);
 944
 945         Gtk::Button noquit_button (msg);
 946         noquit_button.set_name ("EditorGTKButton");
 947
 948         string prompt;
 949
 950         if (_session->snap_name() == _session->name()) {
 951                 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?"),
 952                                         _session->snap_name());
 953         } else {
 954                 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?"),
 955                                         _session->snap_name());
 956         }
 957
 958         prompt_label.set_text (prompt);
 959         prompt_label.set_name (X_("PrompterLabel"));
 960         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 961
 962         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 963         dhbox.set_homogeneous (false);
 964         dhbox.pack_start (*dimage, false, false, 5);
 965         dhbox.pack_start (prompt_label, true, false, 5);
 966         window.get_vbox()->pack_start (dhbox);
 967
 968         window.set_name (_("Prompter"));
 969         window.set_modal (true);
 970         window.set_resizable (false);
 971
 972         dhbox.show();
 973         prompt_label.show();
 974         dimage->show();
 975         window.show();
 976         window.set_keep_above (true);
 977         window.present ();
 978
 979         ResponseType r = (ResponseType) window.run();
 980
 981         window.hide ();
 982
 983         switch (r) {
 984         case RESPONSE_ACCEPT: // save and get out of here
 985                 return 1;
 986         case RESPONSE_APPLY:  // get out of here
 987                 return 0;
 988         default:
 989                 break;
 990         }
 991
 992         return -1;
 993 }
 994
 995
 996 gint
 997 ARDOUR_UI::every_second ()
 998 {
 999         update_cpu_load ();
1000         update_buffer_load ();
1001         update_disk_space ();
1002         update_timecode_format ();
1003
1004         if (nsm && nsm->is_active ()) {
1005                 nsm->check ();
1006
1007                 if (!_was_dirty && _session->dirty ()) {
1008                         nsm->is_dirty ();
1009                         _was_dirty = true;
1010                 }
1011                 else if (_was_dirty && !_session->dirty ()){
1012                         nsm->is_clean ();
1013                         _was_dirty = false;
1014                 }
1015         }
1016         return TRUE;
1017 }
1018
1019 gint
1020 ARDOUR_UI::every_point_one_seconds ()
1021 {
1022         shuttle_box->update_speed_display ();
1023         RapidScreenUpdate(); /* EMIT_SIGNAL */
1024         return TRUE;
1025 }
1026
1027 gint
1028 ARDOUR_UI::every_point_zero_one_seconds ()
1029 {
1030         // august 2007: actual update frequency: 40Hz, not 100Hz
1031
1032         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1033         return TRUE;
1034 }
1035
1036 void
1037 ARDOUR_UI::update_sample_rate (framecnt_t)
1038 {
1039         char buf[64];
1040
1041         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1042
1043         if (!engine->connected()) {
1044
1045                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1046
1047         } else {
1048
1049                 framecnt_t rate = engine->frame_rate();
1050
1051                 if (fmod (rate, 1000.0) != 0.0) {
1052                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1053                                   (float) rate/1000.0f,
1054                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1055                 } else {
1056                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1057                                   rate/1000,
1058                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1059                 }
1060         }
1061
1062         sample_rate_label.set_markup (buf);
1063 }
1064
1065 void
1066 ARDOUR_UI::update_format ()
1067 {
1068         if (!_session) {
1069                 format_label.set_text ("");
1070                 return;
1071         }
1072
1073         stringstream s;
1074         s << _("File:") << X_(" <span foreground=\"green\">");
1075
1076         switch (_session->config.get_native_file_header_format ()) {
1077         case BWF:
1078                 s << _("BWF");
1079                 break;
1080         case WAVE:
1081                 s << _("WAV");
1082                 break;
1083         case WAVE64:
1084                 s << _("WAV64");
1085                 break;
1086         case CAF:
1087                 s << _("CAF");
1088                 break;
1089         case AIFF:
1090                 s << _("AIFF");
1091                 break;
1092         case iXML:
1093                 s << _("iXML");
1094                 break;
1095         case RF64:
1096                 s << _("RF64");
1097                 break;
1098         }
1099
1100         s << " ";
1101
1102         switch (_session->config.get_native_file_data_format ()) {
1103         case FormatFloat:
1104                 s << _("32-float");
1105                 break;
1106         case FormatInt24:
1107                 s << _("24-int");
1108                 break;
1109         case FormatInt16:
1110                 s << _("16-int");
1111                 break;
1112         }
1113
1114         s << X_("</span>");
1115
1116         format_label.set_markup (s.str ());
1117 }
1118
1119 void
1120 ARDOUR_UI::update_cpu_load ()
1121 {
1122         char buf[64];
1123
1124         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1125            should also be changed.
1126         */
1127
1128         float const c = engine->get_cpu_load ();
1129         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1130         cpu_load_label.set_markup (buf);
1131 }
1132
1133 void
1134 ARDOUR_UI::update_buffer_load ()
1135 {
1136         char buf[256];
1137
1138         uint32_t const playback = _session ? _session->playback_load () : 100;
1139         uint32_t const capture = _session ? _session->capture_load () : 100;
1140
1141         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1142            should also be changed.
1143         */
1144
1145         if (_session) {
1146                 snprintf (
1147                         buf, sizeof (buf),
1148                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1149                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1150                         playback <= 5 ? X_("red") : X_("green"),
1151                         playback,
1152                         capture <= 5 ? X_("red") : X_("green"),
1153                         capture
1154                         );
1155
1156                 buffer_load_label.set_markup (buf);
1157         } else {
1158                 buffer_load_label.set_text ("");
1159         }
1160 }
1161
1162 void
1163 ARDOUR_UI::count_recenabled_streams (Route& route)
1164 {
1165         Track* track = dynamic_cast<Track*>(&route);
1166         if (track && track->record_enabled()) {
1167                 rec_enabled_streams += track->n_inputs().n_total();
1168         }
1169 }
1170
1171 void
1172 ARDOUR_UI::update_disk_space()
1173 {
1174         if (_session == 0) {
1175                 return;
1176         }
1177
1178         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1179         char buf[64];
1180         framecnt_t fr = _session->frame_rate();
1181
1182         if (!opt_frames) {
1183                 /* Available space is unknown */
1184                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1185         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1186                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1187         } else {
1188                 rec_enabled_streams = 0;
1189                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1190
1191                 framecnt_t frames = opt_frames.get_value_or (0);
1192
1193                 if (rec_enabled_streams) {
1194                         frames /= rec_enabled_streams;
1195                 }
1196
1197                 int hrs;
1198                 int mins;
1199                 int secs;
1200
1201                 hrs  = frames / (fr * 3600);
1202
1203                 if (hrs > 24) {
1204                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1205                 } else {
1206                         frames -= hrs * fr * 3600;
1207                         mins = frames / (fr * 60);
1208                         frames -= mins * fr * 60;
1209                         secs = frames / fr;
1210
1211                         bool const low = (hrs == 0 && mins <= 30);
1212
1213                         snprintf (
1214                                 buf, sizeof(buf),
1215                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1216                                 low ? X_("red") : X_("green"),
1217                                 hrs, mins, secs
1218                                 );
1219                 }
1220         }
1221
1222         disk_space_label.set_markup (buf);
1223 }
1224
1225 void
1226 ARDOUR_UI::update_timecode_format ()
1227 {
1228         char buf[64];
1229
1230         if (_session) {
1231                 bool matching;
1232                 TimecodeSlave* tcslave;
1233                 SyncSource sync_src = Config->get_sync_source();
1234
1235                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1236                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1237                 } else {
1238                         matching = true;
1239                 }
1240
1241                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1242                           matching ? X_("green") : X_("red"),
1243                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1244         } else {
1245                 snprintf (buf, sizeof (buf), "TC: n/a");
1246         }
1247
1248         timecode_format_label.set_markup (buf);
1249 }
1250
1251 gint
1252 ARDOUR_UI::update_wall_clock ()
1253 {
1254         time_t now;
1255         struct tm *tm_now;
1256         static int last_min = -1;
1257
1258         time (&now);
1259         tm_now = localtime (&now);
1260         if (last_min != tm_now->tm_min) {
1261                 char buf[16];
1262                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1263                 wall_clock_label.set_text (buf);
1264                 last_min = tm_now->tm_min;
1265         }
1266
1267         return TRUE;
1268 }
1269
1270 void
1271 ARDOUR_UI::redisplay_recent_sessions ()
1272 {
1273         std::vector<std::string> session_directories;
1274         RecentSessionsSorter cmp;
1275
1276         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1277         recent_session_model->clear ();
1278
1279         ARDOUR::RecentSessions rs;
1280         ARDOUR::read_recent_sessions (rs);
1281
1282         if (rs.empty()) {
1283                 recent_session_display.set_model (recent_session_model);
1284                 return;
1285         }
1286
1287         // sort them alphabetically
1288         sort (rs.begin(), rs.end(), cmp);
1289
1290         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1291                 session_directories.push_back ((*i).second);
1292         }
1293
1294         for (vector<std::string>::const_iterator i = session_directories.begin();
1295                         i != session_directories.end(); ++i)
1296         {
1297                 std::vector<std::string> state_file_paths;
1298
1299                 // now get available states for this session
1300
1301                 get_state_files_in_directory (*i, state_file_paths);
1302
1303                 vector<string*>* states;
1304                 vector<const gchar*> item;
1305                 string fullpath = *i;
1306
1307                 /* remove any trailing / */
1308
1309                 if (fullpath[fullpath.length() - 1] == '/') {
1310                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1311                 }
1312
1313                 /* check whether session still exists */
1314                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1315                         /* session doesn't exist */
1316                         continue;
1317                 }
1318
1319                 /* now get available states for this session */
1320
1321                 if ((states = Session::possible_states (fullpath)) == 0) {
1322                         /* no state file? */
1323                         continue;
1324                 }
1325
1326                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1327
1328                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1329
1330                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1331                 row[recent_session_columns.fullpath] = fullpath;
1332                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1333
1334                 if (state_file_names.size() > 1) {
1335
1336                         // add the children
1337
1338                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1339                                         i2 != state_file_names.end(); ++i2)
1340                         {
1341
1342                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1343
1344                                 child_row[recent_session_columns.visible_name] = *i2;
1345                                 child_row[recent_session_columns.fullpath] = fullpath;
1346                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1347                         }
1348                 }
1349         }
1350
1351         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1352         recent_session_display.set_model (recent_session_model);
1353 }
1354
1355 void
1356 ARDOUR_UI::build_session_selector ()
1357 {
1358         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1359
1360         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1361
1362         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1363         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1364         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1365         recent_session_model = TreeStore::create (recent_session_columns);
1366         recent_session_display.set_model (recent_session_model);
1367         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1368         recent_session_display.set_headers_visible (false);
1369         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1370         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1371
1372         scroller->add (recent_session_display);
1373         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1374
1375         session_selector_window->set_name ("SessionSelectorWindow");
1376         session_selector_window->set_size_request (200, 400);
1377         session_selector_window->get_vbox()->pack_start (*scroller);
1378
1379         recent_session_display.show();
1380         scroller->show();
1381 }
1382
1383 void
1384 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1385 {
1386         session_selector_window->response (RESPONSE_ACCEPT);
1387 }
1388
1389 void
1390 ARDOUR_UI::open_recent_session ()
1391 {
1392         bool can_return = (_session != 0);
1393
1394         if (session_selector_window == 0) {
1395                 build_session_selector ();
1396         }
1397
1398         redisplay_recent_sessions ();
1399
1400         while (true) {
1401
1402                 ResponseType r = (ResponseType) session_selector_window->run ();
1403
1404                 switch (r) {
1405                 case RESPONSE_ACCEPT:
1406                         break;
1407                 default:
1408                         if (can_return) {
1409                                 session_selector_window->hide();
1410                                 return;
1411                         } else {
1412                                 exit (1);
1413                         }
1414                 }
1415
1416                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1417                         continue;
1418                 }
1419
1420                 session_selector_window->hide();
1421
1422                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1423
1424                 if (i == recent_session_model->children().end()) {
1425                         return;
1426                 }
1427
1428                 std::string path = (*i)[recent_session_columns.fullpath];
1429                 std::string state = (*i)[recent_session_columns.visible_name];
1430
1431                 _session_is_new = false;
1432
1433                 if (load_session (path, state) == 0) {
1434                         break;
1435                 }
1436
1437                 can_return = false;
1438         }
1439 }
1440
1441 bool
1442 ARDOUR_UI::check_audioengine ()
1443 {
1444         if (engine) {
1445                 if (!engine->connected()) {
1446                         MessageDialog msg (string_compose (
1447                                                    _("%1 is not connected to JACK\n"
1448                                                      "You cannot open or close sessions in this condition"),
1449                                                    PROGRAM_NAME));
1450                         pop_back_splash (msg);
1451                         msg.run ();
1452                         return false;
1453                 }
1454                 return true;
1455         } else {
1456                 return false;
1457         }
1458 }
1459
1460 void
1461 ARDOUR_UI::open_session ()
1462 {
1463         if (!check_audioengine()) {
1464                 return;
1465
1466         }
1467
1468         /* popup selector window */
1469
1470         if (open_session_selector == 0) {
1471
1472                 /* ardour sessions are folders */
1473
1474                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1475                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1476                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1477                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1478
1479                 if (_session) {
1480                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1481                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1482                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1483                         open_session_selector->set_current_folder(session_parent_dir);
1484                 } else {
1485                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1486                 }
1487
1488                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1489
1490                 FileFilter session_filter;
1491                 session_filter.add_pattern ("*.ardour");
1492                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1493                 open_session_selector->add_filter (session_filter);
1494                 open_session_selector->set_filter (session_filter);
1495         }
1496
1497         int response = open_session_selector->run();
1498         open_session_selector->hide ();
1499
1500         switch (response) {
1501         case RESPONSE_ACCEPT:
1502                 break;
1503         default:
1504                 open_session_selector->hide();
1505                 return;
1506         }
1507
1508         open_session_selector->hide();
1509         string session_path = open_session_selector->get_filename();
1510         string path, name;
1511         bool isnew;
1512
1513         if (session_path.length() > 0) {
1514                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1515                         _session_is_new = isnew;
1516                         load_session (path, name);
1517                 }
1518         }
1519 }
1520
1521
1522 void
1523 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1524                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1525 {
1526         list<boost::shared_ptr<MidiTrack> > tracks;
1527
1528         if (_session == 0) {
1529                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1530                 return;
1531         }
1532
1533         try {
1534                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1535
1536                 if (tracks.size() != how_many) {
1537                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1538                 }
1539         }
1540
1541         catch (...) {
1542                 MessageDialog msg (*editor,
1543                                    string_compose (_("There are insufficient JACK ports available\n\
1544 to create a new track or bus.\n\
1545 You should save %1, exit and\n\
1546 restart JACK with more ports."), PROGRAM_NAME));
1547                 msg.run ();
1548         }
1549 }
1550
1551
1552 void
1553 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1554 {
1555         ChanCount one_midi_channel;
1556         one_midi_channel.set (DataType::MIDI, 1);
1557
1558         if (disk) {
1559                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1560         }
1561 }
1562
1563 void
1564 ARDOUR_UI::session_add_audio_route (
1565         bool track,
1566         int32_t input_channels,
1567         int32_t output_channels,
1568         ARDOUR::TrackMode mode,
1569         RouteGroup* route_group,
1570         uint32_t how_many,
1571         string const & name_template
1572         )
1573 {
1574         list<boost::shared_ptr<AudioTrack> > tracks;
1575         RouteList routes;
1576
1577         if (_session == 0) {
1578                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1579                 return;
1580         }
1581
1582         try {
1583                 if (track) {
1584                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1585
1586                         if (tracks.size() != how_many) {
1587                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1588                                       << endmsg;
1589                         }
1590
1591                 } else {
1592
1593                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1594
1595                         if (routes.size() != how_many) {
1596                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1597                                       << endmsg;
1598                         }
1599                 }
1600         }
1601
1602         catch (...) {
1603                 MessageDialog msg (*editor,
1604                                    string_compose (_("There are insufficient JACK ports available\n\
1605 to create a new track or bus.\n\
1606 You should save %1, exit and\n\
1607 restart JACK with more ports."), PROGRAM_NAME));
1608                 pop_back_splash (msg);
1609                 msg.run ();
1610         }
1611 }
1612
1613 void
1614 ARDOUR_UI::transport_goto_start ()
1615 {
1616         if (_session) {
1617                 _session->goto_start();
1618
1619                 /* force displayed area in editor to start no matter
1620                    what "follow playhead" setting is.
1621                 */
1622
1623                 if (editor) {
1624                         editor->center_screen (_session->current_start_frame ());
1625                 }
1626         }
1627 }
1628
1629 void
1630 ARDOUR_UI::transport_goto_zero ()
1631 {
1632         if (_session) {
1633                 _session->request_locate (0);
1634
1635                 /* force displayed area in editor to start no matter
1636                    what "follow playhead" setting is.
1637                 */
1638
1639                 if (editor) {
1640                         editor->reset_x_origin (0);
1641                 }
1642         }
1643 }
1644
1645 void
1646 ARDOUR_UI::transport_goto_wallclock ()
1647 {
1648         if (_session && editor) {
1649
1650                 time_t now;
1651                 struct tm tmnow;
1652                 framepos_t frames;
1653
1654                 time (&now);
1655                 localtime_r (&now, &tmnow);
1656
1657                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1658                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1659                 frames += tmnow.tm_sec * _session->frame_rate();
1660
1661                 _session->request_locate (frames, _session->transport_rolling ());
1662
1663                 /* force displayed area in editor to start no matter
1664                    what "follow playhead" setting is.
1665                 */
1666
1667                 if (editor) {
1668                         editor->center_screen (frames);
1669                 }
1670         }
1671 }
1672
1673 void
1674 ARDOUR_UI::transport_goto_end ()
1675 {
1676         if (_session) {
1677                 framepos_t const frame = _session->current_end_frame();
1678                 _session->request_locate (frame);
1679
1680                 /* force displayed area in editor to start no matter
1681                    what "follow playhead" setting is.
1682                 */
1683
1684                 if (editor) {
1685                         editor->center_screen (frame);
1686                 }
1687         }
1688 }
1689
1690 void
1691 ARDOUR_UI::transport_stop ()
1692 {
1693         if (!_session) {
1694                 return;
1695         }
1696
1697         if (_session->is_auditioning()) {
1698                 _session->cancel_audition ();
1699                 return;
1700         }
1701
1702         _session->request_stop (false, true);
1703 }
1704
1705 void
1706 ARDOUR_UI::transport_record (bool roll)
1707 {
1708
1709         if (_session) {
1710                 switch (_session->record_status()) {
1711                 case Session::Disabled:
1712                         if (_session->ntracks() == 0) {
1713                                 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."));
1714                                 msg.run ();
1715                                 return;
1716                         }
1717                         _session->maybe_enable_record ();
1718                         if (roll) {
1719                                 transport_roll ();
1720                         }
1721                         break;
1722                 case Session::Recording:
1723                         if (roll) {
1724                                 _session->request_stop();
1725                         } else {
1726                                 _session->disable_record (false, true);
1727                         }
1728                         break;
1729
1730                 case Session::Enabled:
1731                         _session->disable_record (false, true);
1732                 }
1733         }
1734 }
1735
1736 void
1737 ARDOUR_UI::transport_roll ()
1738 {
1739         if (!_session) {
1740                 return;
1741         }
1742
1743         if (_session->is_auditioning()) {
1744                 return;
1745         }
1746
1747 #if 0
1748         if (_session->config.get_external_sync()) {
1749                 switch (Config->get_sync_source()) {
1750                 case JACK:
1751                         break;
1752                 default:
1753                         /* transport controlled by the master */
1754                         return;
1755                 }
1756         }
1757 #endif
1758
1759         bool rolling = _session->transport_rolling();
1760
1761         if (_session->get_play_loop()) {
1762                 /* XXX it is not possible to just leave seamless loop and keep
1763                    playing at present (nov 4th 2009)
1764                 */
1765                 if (!Config->get_seamless_loop()) {
1766                         _session->request_play_loop (false, true);
1767                 }
1768         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1769                 /* stop playing a range if we currently are */
1770                 _session->request_play_range (0, true);
1771         }
1772
1773         if (!rolling) {
1774                 _session->request_transport_speed (1.0f);
1775         }
1776 }
1777
1778 bool
1779 ARDOUR_UI::get_smart_mode() const
1780 {
1781         return ( editor->get_smart_mode() );
1782 }
1783
1784
1785 void
1786 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1787 {
1788
1789         if (!_session) {
1790                 return;
1791         }
1792
1793         if (_session->is_auditioning()) {
1794                 _session->cancel_audition ();
1795                 return;
1796         }
1797
1798         if (_session->config.get_external_sync()) {
1799                 switch (Config->get_sync_source()) {
1800                 case JACK:
1801                         break;
1802                 default:
1803                         /* transport controlled by the master */
1804                         return;
1805                 }
1806         }
1807
1808         bool rolling = _session->transport_rolling();
1809         bool affect_transport = true;
1810
1811         if (rolling && roll_out_of_bounded_mode) {
1812                 /* drop out of loop/range playback but leave transport rolling */
1813                 if (_session->get_play_loop()) {
1814                         if (Config->get_seamless_loop()) {
1815                                 /* the disk buffers contain copies of the loop - we can't
1816                                    just keep playing, so stop the transport. the user
1817                                    can restart as they wish.
1818                                 */
1819                                 affect_transport = true;
1820                         } else {
1821                                 /* disk buffers are normal, so we can keep playing */
1822                                 affect_transport = false;
1823                         }
1824                         _session->request_play_loop (false, true);
1825                 } else if (_session->get_play_range ()) {
1826                         affect_transport = false;
1827                         _session->request_play_range (0, true);
1828                 }
1829         }
1830
1831         if (affect_transport) {
1832                 if (rolling) {
1833                         _session->request_stop (with_abort, true);
1834                 } else {
1835                         if ( Config->get_always_play_range() ) {
1836                                 _session->request_play_range (&editor->get_selection().time, true);
1837                         }
1838
1839                         _session->request_transport_speed (1.0f);
1840                 }
1841         }
1842 }
1843
1844 void
1845 ARDOUR_UI::toggle_session_auto_loop ()
1846 {
1847         Location * looploc = _session->locations()->auto_loop_location();
1848
1849         if (!_session || !looploc) {
1850                 return;
1851         }
1852
1853         if (_session->get_play_loop()) {
1854
1855                 if (_session->transport_rolling()) {
1856
1857                         _session->request_locate (looploc->start(), true);
1858                         _session->request_play_loop (false);
1859
1860                 } else {
1861                         _session->request_play_loop (false);
1862                 }
1863         } else {
1864                 _session->request_play_loop (true);
1865         }
1866
1867         //show the loop markers
1868         looploc->set_hidden (false, this);
1869 }
1870
1871 void
1872 ARDOUR_UI::transport_play_selection ()
1873 {
1874         if (!_session) {
1875                 return;
1876         }
1877
1878         editor->play_selection ();
1879 }
1880
1881 void
1882 ARDOUR_UI::transport_play_preroll ()
1883 {
1884         if (!_session) {
1885                 return;
1886         }
1887         editor->play_with_preroll ();
1888 }
1889
1890 void
1891 ARDOUR_UI::transport_rewind (int option)
1892 {
1893         float current_transport_speed;
1894
1895         if (_session) {
1896                 current_transport_speed = _session->transport_speed();
1897
1898                 if (current_transport_speed >= 0.0f) {
1899                         switch (option) {
1900                         case 0:
1901                                 _session->request_transport_speed (-1.0f);
1902                                 break;
1903                         case 1:
1904                                 _session->request_transport_speed (-4.0f);
1905                                 break;
1906                         case -1:
1907                                 _session->request_transport_speed (-0.5f);
1908                                 break;
1909                         }
1910                 } else {
1911                         /* speed up */
1912                         _session->request_transport_speed (current_transport_speed * 1.5f);
1913                 }
1914         }
1915 }
1916
1917 void
1918 ARDOUR_UI::transport_forward (int option)
1919 {
1920         if (!_session) {
1921                 return;
1922         }
1923
1924         float current_transport_speed = _session->transport_speed();
1925
1926         if (current_transport_speed <= 0.0f) {
1927                 switch (option) {
1928                 case 0:
1929                         _session->request_transport_speed (1.0f);
1930                         break;
1931                 case 1:
1932                         _session->request_transport_speed (4.0f);
1933                         break;
1934                 case -1:
1935                         _session->request_transport_speed (0.5f);
1936                         break;
1937                 }
1938         } else {
1939                 /* speed up */
1940                 _session->request_transport_speed (current_transport_speed * 1.5f);
1941         }
1942 }
1943
1944 void
1945 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1946 {
1947         if (!_session) {
1948                 return;
1949         }
1950
1951         boost::shared_ptr<Route> r;
1952
1953         if ((r = _session->route_by_remote_id (rid)) != 0) {
1954
1955                 Track* t;
1956
1957                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1958                         t->set_record_enabled (!t->record_enabled(), this);
1959                 }
1960         }
1961 }
1962
1963 void
1964 ARDOUR_UI::map_transport_state ()
1965 {
1966         if (!_session) {
1967                 auto_loop_button.unset_active_state ();
1968                 play_selection_button.unset_active_state ();
1969                 roll_button.unset_active_state ();
1970                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1971                 return;
1972         }
1973
1974         shuttle_box->map_transport_state ();
1975
1976         float sp = _session->transport_speed();
1977
1978         if (sp != 0.0f) {
1979
1980                 /* we're rolling */
1981
1982                 if (_session->get_play_range()) {
1983
1984                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1985                         roll_button.unset_active_state ();
1986                         auto_loop_button.unset_active_state ();
1987
1988                 } else if (_session->get_play_loop ()) {
1989
1990                         auto_loop_button.set_active (true);
1991                         play_selection_button.set_active (false);
1992                         roll_button.set_active (false);
1993
1994                 } else {
1995
1996                         roll_button.set_active (true);
1997                         play_selection_button.set_active (false);
1998                         auto_loop_button.set_active (false);
1999                 }
2000
2001                 if (Config->get_always_play_range()) {
2002                         /* light up both roll and play-selection if they are joined */
2003                         roll_button.set_active (true);
2004                         play_selection_button.set_active (true);
2005                 }
2006
2007                 stop_button.set_active (false);
2008
2009         } else {
2010
2011                 stop_button.set_active (true);
2012                 roll_button.set_active (false);
2013                 play_selection_button.set_active (false);
2014                 auto_loop_button.set_active (false);
2015                 update_disk_space ();
2016         }
2017 }
2018
2019 void
2020 ARDOUR_UI::engine_stopped ()
2021 {
2022         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2023         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2024         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2025 }
2026
2027 void
2028 ARDOUR_UI::engine_running ()
2029 {
2030         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2031         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2032         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2033
2034         Glib::RefPtr<Action> action;
2035         const char* action_name = 0;
2036
2037         switch (engine->frames_per_cycle()) {
2038         case 32:
2039                 action_name = X_("JACKLatency32");
2040                 break;
2041         case 64:
2042                 action_name = X_("JACKLatency64");
2043                 break;
2044         case 128:
2045                 action_name = X_("JACKLatency128");
2046                 break;
2047         case 512:
2048                 action_name = X_("JACKLatency512");
2049                 break;
2050         case 1024:
2051                 action_name = X_("JACKLatency1024");
2052                 break;
2053         case 2048:
2054                 action_name = X_("JACKLatency2048");
2055                 break;
2056         case 4096:
2057                 action_name = X_("JACKLatency4096");
2058                 break;
2059         case 8192:
2060                 action_name = X_("JACKLatency8192");
2061                 break;
2062         default:
2063                 /* XXX can we do anything useful ? */
2064                 break;
2065         }
2066
2067         if (action_name) {
2068
2069                 action = ActionManager::get_action (X_("JACK"), action_name);
2070
2071                 if (action) {
2072                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2073                         ract->set_active ();
2074                 }
2075         }
2076 }
2077
2078 void
2079 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2080 {
2081         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2082                 /* we can't rely on the original string continuing to exist when we are called
2083                    again in the GUI thread, so make a copy and note that we need to
2084                    free it later.
2085                 */
2086                 char *copy = strdup (reason);
2087                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2088                 return;
2089         }
2090
2091         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2092         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2093
2094         update_sample_rate (0);
2095
2096         string msgstr;
2097
2098         /* if the reason is a non-empty string, it means that the backend was shutdown
2099            rather than just Ardour.
2100         */
2101
2102         if (strlen (reason)) {
2103                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2104         } else {
2105                 msgstr = string_compose (_("\
2106 JACK has either been shutdown or it\n\
2107 disconnected %1 because %1\n\
2108 was not fast enough. Try to restart\n\
2109 JACK, reconnect and save the session."), PROGRAM_NAME);
2110         }
2111
2112         MessageDialog msg (*editor, msgstr);
2113         pop_back_splash (msg);
2114         msg.set_keep_above (true);
2115         msg.run ();
2116
2117         if (free_reason) {
2118                 free (const_cast<char*> (reason));
2119         }
2120 }
2121
2122 int32_t
2123 ARDOUR_UI::do_engine_start ()
2124 {
2125         try {
2126                 engine->start();
2127         }
2128
2129         catch (...) {
2130                 engine->stop ();
2131                 error << _("Unable to start the session running")
2132                       << endmsg;
2133                 unload_session ();
2134                 return -2;
2135         }
2136
2137         return 0;
2138 }
2139
2140 void
2141 ARDOUR_UI::update_clocks ()
2142 {
2143         if (!editor || !editor->dragging_playhead()) {
2144                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2145         }
2146 }
2147
2148 void
2149 ARDOUR_UI::start_clocking ()
2150 {
2151         if (Config->get_super_rapid_clock_update()) {
2152                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2153         } else {
2154                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2155         }
2156 }
2157
2158 void
2159 ARDOUR_UI::stop_clocking ()
2160 {
2161         clock_signal_connection.disconnect ();
2162 }
2163
2164 gint
2165 ARDOUR_UI::_blink (void *arg)
2166 {
2167         ((ARDOUR_UI *) arg)->blink ();
2168         return TRUE;
2169 }
2170
2171 void
2172 ARDOUR_UI::blink ()
2173 {
2174         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2175 }
2176
2177 void
2178 ARDOUR_UI::start_blinking ()
2179 {
2180         /* Start the blink signal. Everybody with a blinking widget
2181            uses Blink to drive the widget's state.
2182         */
2183
2184         if (blink_timeout_tag < 0) {
2185                 blink_on = false;
2186                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2187         }
2188 }
2189
2190 void
2191 ARDOUR_UI::stop_blinking ()
2192 {
2193         if (blink_timeout_tag >= 0) {
2194                 g_source_remove (blink_timeout_tag);
2195                 blink_timeout_tag = -1;
2196         }
2197 }
2198
2199
2200 /** Ask the user for the name of a new snapshot and then take it.
2201  */
2202
2203 void
2204 ARDOUR_UI::snapshot_session (bool switch_to_it)
2205 {
2206         ArdourPrompter prompter (true);
2207         string snapname;
2208
2209         prompter.set_name ("Prompter");
2210         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2211         prompter.set_title (_("Take Snapshot"));
2212         prompter.set_prompt (_("Name of new snapshot"));
2213
2214         if (!switch_to_it) {
2215                 char timebuf[128];
2216                 time_t n;
2217                 struct tm local_time;
2218
2219                 time (&n);
2220                 localtime_r (&n, &local_time);
2221                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2222                 prompter.set_initial_text (timebuf);
2223         }
2224
2225   again:
2226         switch (prompter.run()) {
2227         case RESPONSE_ACCEPT:
2228         {
2229                 prompter.get_result (snapname);
2230
2231                 bool do_save = (snapname.length() != 0);
2232
2233                 if (do_save) {
2234                         char illegal = Session::session_name_is_legal(snapname);
2235                         if (illegal) {
2236                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2237                                                      "snapshot names may not contain a '%1' character"), illegal));
2238                                 msg.run ();
2239                                 goto again;
2240                         }
2241                 }
2242
2243                 vector<std::string> p;
2244                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2245                 vector<string> n = get_file_names_no_extension (p);
2246                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2247
2248                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2249                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2250                         confirm.get_vbox()->pack_start (m, true, true);
2251                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2252                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2253                         confirm.show_all ();
2254                         switch (confirm.run()) {
2255                         case RESPONSE_CANCEL:
2256                                 do_save = false;
2257                         }
2258                 }
2259
2260                 if (do_save) {
2261                         save_state (snapname, switch_to_it);
2262                 }
2263                 break;
2264         }
2265
2266         default:
2267                 break;
2268         }
2269 }
2270
2271 /** Ask the user for a new session name and then rename the session to it.
2272  */
2273
2274 void
2275 ARDOUR_UI::rename_session ()
2276 {
2277         if (!_session) {
2278                 return;
2279         }
2280
2281         ArdourPrompter prompter (true);
2282         string name;
2283
2284         prompter.set_name ("Prompter");
2285         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2286         prompter.set_title (_("Rename Session"));
2287         prompter.set_prompt (_("New session name"));
2288
2289   again:
2290         switch (prompter.run()) {
2291         case RESPONSE_ACCEPT:
2292         {
2293                 prompter.get_result (name);
2294
2295                 bool do_rename = (name.length() != 0);
2296
2297                 if (do_rename) {
2298                         char illegal = Session::session_name_is_legal (name);
2299
2300                         if (illegal) {
2301                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2302                                                                      "session names may not contain a '%1' character"), illegal));
2303                                 msg.run ();
2304                                 goto again;
2305                         }
2306
2307                         switch (_session->rename (name)) {
2308                         case -1: {
2309                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2310                                 msg.set_position (WIN_POS_MOUSE);
2311                                 msg.run ();
2312                                 goto again;
2313                                 break;
2314                         }
2315                         case 0:
2316                                 break;
2317                         default: {
2318                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2319                                 msg.set_position (WIN_POS_MOUSE);
2320                                 msg.run ();
2321                                 break;
2322                         }
2323                         }
2324                 }
2325
2326                 break;
2327         }
2328
2329         default:
2330                 break;
2331         }
2332 }
2333
2334 void
2335 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2336 {
2337         XMLNode* node = new XMLNode (X_("UI"));
2338
2339         WM::Manager::instance().add_state (*node);
2340
2341         node->add_child_nocopy (gui_object_state->get_state());
2342
2343         _session->add_extra_xml (*node);
2344
2345         save_state_canfail (name, switch_to_it);
2346 }
2347
2348 int
2349 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2350 {
2351         if (_session) {
2352                 int ret;
2353
2354                 if (name.length() == 0) {
2355                         name = _session->snap_name();
2356                 }
2357
2358                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2359                         return ret;
2360                 }
2361         }
2362
2363         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2364         return 0;
2365 }
2366
2367 void
2368 ARDOUR_UI::primary_clock_value_changed ()
2369 {
2370         if (_session) {
2371                 _session->request_locate (primary_clock->current_time ());
2372         }
2373 }
2374
2375 void
2376 ARDOUR_UI::big_clock_value_changed ()
2377 {
2378         if (_session) {
2379                 _session->request_locate (big_clock->current_time ());
2380         }
2381 }
2382
2383 void
2384 ARDOUR_UI::secondary_clock_value_changed ()
2385 {
2386         if (_session) {
2387                 _session->request_locate (secondary_clock->current_time ());
2388         }
2389 }
2390
2391 void
2392 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2393 {
2394         if (_session == 0) {
2395                 return;
2396         }
2397
2398         if (_session->step_editing()) {
2399                 return;
2400         }
2401
2402         Session::RecordState const r = _session->record_status ();
2403         bool const h = _session->have_rec_enabled_track ();
2404
2405         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2406                 if (onoff) {
2407                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2408                 } else {
2409                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2410                 }
2411         } else if (r == Session::Recording && h) {
2412                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2413         } else {
2414                 rec_button.unset_active_state ();
2415         }
2416 }
2417
2418 void
2419 ARDOUR_UI::save_template ()
2420 {
2421         ArdourPrompter prompter (true);
2422         string name;
2423
2424         if (!check_audioengine()) {
2425                 return;
2426         }
2427
2428         prompter.set_name (X_("Prompter"));
2429         prompter.set_title (_("Save Template"));
2430         prompter.set_prompt (_("Name for template:"));
2431         prompter.set_initial_text(_session->name() + _("-template"));
2432         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2433
2434         switch (prompter.run()) {
2435         case RESPONSE_ACCEPT:
2436                 prompter.get_result (name);
2437
2438                 if (name.length()) {
2439                         _session->save_template (name);
2440                 }
2441                 break;
2442
2443         default:
2444                 break;
2445         }
2446 }
2447
2448 void
2449 ARDOUR_UI::edit_metadata ()
2450 {
2451         SessionMetadataEditor dialog;
2452         dialog.set_session (_session);
2453         editor->ensure_float (dialog);
2454         dialog.run ();
2455 }
2456
2457 void
2458 ARDOUR_UI::import_metadata ()
2459 {
2460         SessionMetadataImporter dialog;
2461         dialog.set_session (_session);
2462         editor->ensure_float (dialog);
2463         dialog.run ();
2464 }
2465
2466 bool
2467 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2468 {
2469         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2470
2471         MessageDialog msg (str,
2472                            false,
2473                            Gtk::MESSAGE_WARNING,
2474                            Gtk::BUTTONS_YES_NO,
2475                            true);
2476
2477
2478         msg.set_name (X_("OpenExistingDialog"));
2479         msg.set_title (_("Open Existing Session"));
2480         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2481         msg.set_position (Gtk::WIN_POS_MOUSE);
2482         pop_back_splash (msg);
2483
2484         switch (msg.run()) {
2485         case RESPONSE_YES:
2486                 return true;
2487                 break;
2488         }
2489         return false;
2490 }
2491
2492 int
2493 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2494 {
2495         BusProfile bus_profile;
2496
2497         if (nsm || Profile->get_sae()) {
2498
2499                 bus_profile.master_out_channels = 2;
2500                 bus_profile.input_ac = AutoConnectPhysical;
2501                 bus_profile.output_ac = AutoConnectMaster;
2502                 bus_profile.requested_physical_in = 0; // use all available
2503                 bus_profile.requested_physical_out = 0; // use all available
2504
2505         } else {
2506
2507                 /* get settings from advanced section of NSD */
2508
2509                 if (_startup->create_master_bus()) {
2510                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2511                 } else {
2512                         bus_profile.master_out_channels = 0;
2513                 }
2514
2515                 if (_startup->connect_inputs()) {
2516                         bus_profile.input_ac = AutoConnectPhysical;
2517                 } else {
2518                         bus_profile.input_ac = AutoConnectOption (0);
2519                 }
2520
2521                 bus_profile.output_ac = AutoConnectOption (0);
2522
2523                 if (_startup->connect_outputs ()) {
2524                         if (_startup->connect_outs_to_master()) {
2525                                 bus_profile.output_ac = AutoConnectMaster;
2526                         } else if (_startup->connect_outs_to_physical()) {
2527                                 bus_profile.output_ac = AutoConnectPhysical;
2528                         }
2529                 }
2530
2531                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2532                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2533         }
2534
2535         if (build_session (session_path, session_name, bus_profile)) {
2536                 return -1;
2537         }
2538
2539         return 0;
2540 }
2541
2542 void
2543 ARDOUR_UI::idle_load (const std::string& path)
2544 {
2545         if (_session) {
2546                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2547                         /* /path/to/foo => /path/to/foo, foo */
2548                         load_session (path, basename_nosuffix (path));
2549                 } else {
2550                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2551                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2552                 }
2553
2554         } else {
2555                 ARDOUR_COMMAND_LINE::session_name = path;
2556         }
2557 }
2558
2559 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2560 int
2561 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2562 {
2563         string session_name;
2564         string session_path;
2565         string template_name;
2566         int ret = -1;
2567         bool likely_new = false;
2568
2569         /* deal with any existing DIRTY session now, rather than later. don't
2570          * treat a non-dirty session this way, so that it stays visible
2571          * as we bring up the new session dialog.
2572          */
2573
2574         if (_session && ARDOUR_UI::instance()->video_timeline) {
2575                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2576         }
2577
2578         if (_session && _session->dirty()) {
2579                 if (unload_session (false)) {
2580                         /* unload cancelled by user */
2581                         return 0;
2582                 }
2583                 ARDOUR_COMMAND_LINE::session_name = "";
2584         }
2585
2586         if (!load_template.empty()) {
2587                 should_be_new = true;
2588                 template_name = load_template;
2589         }
2590
2591         while (ret != 0) {
2592
2593                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2594
2595                         /* if they named a specific statefile, use it, otherwise they are
2596                            just giving a session folder, and we want to use it as is
2597                            to find the session.
2598                         */
2599
2600                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2601
2602                         if (suffix != string::npos) {
2603                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2604                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2605                                 session_name = Glib::path_get_basename (session_name);
2606                         } else {
2607                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2608                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2609                         }
2610                 } else {
2611                         session_path = "";
2612                         session_name = "";
2613                 }
2614
2615                 delete _startup;
2616                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2617
2618                 if (!_startup->ready_without_display()) {
2619                         _startup->present ();
2620                         main().run();
2621                         _startup->hide ();
2622                 }
2623
2624                 switch (_startup->response()) {
2625                 case RESPONSE_OK:
2626                         break;
2627                 default:
2628                         if (quit_on_cancel) {
2629                                 exit (1);
2630                         } else {
2631                                 return ret;
2632                         }
2633                 }
2634
2635                 /* if we run the startup dialog again, offer more than just "new session" */
2636
2637                 should_be_new = false;
2638
2639                 session_name = _startup->session_name (likely_new);
2640
2641                 if (nsm) {
2642                         likely_new = true;
2643                 }
2644
2645                 string::size_type suffix = session_name.find (statefile_suffix);
2646
2647                 if (suffix != string::npos) {
2648                         session_name = session_name.substr (0, suffix);
2649                 }
2650
2651                 /* this shouldn't happen, but we catch it just in case it does */
2652
2653                 if (session_name.empty()) {
2654                         continue;
2655                 }
2656
2657                 if (_startup->use_session_template()) {
2658                         template_name = _startup->session_template_name();
2659                         _session_is_new = true;
2660                 }
2661
2662                 if (session_name[0] == G_DIR_SEPARATOR ||
2663                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2664                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2665
2666                         /* absolute path or cwd-relative path specified for session name: infer session folder
2667                            from what was given.
2668                         */
2669
2670                         session_path = Glib::path_get_dirname (session_name);
2671                         session_name = Glib::path_get_basename (session_name);
2672
2673                 } else {
2674
2675                         session_path = _startup->session_folder();
2676
2677                         char illegal = Session::session_name_is_legal (session_name);
2678
2679                         if (illegal) {
2680                                 MessageDialog msg (*_startup,
2681                                                    string_compose (_("To ensure compatibility with various systems\n"
2682                                                                      "session names may not contain a '%1' character"),
2683                                                                    illegal));
2684                                 msg.run ();
2685                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2686                                 continue;
2687                         }
2688                 }
2689
2690                 if (create_engine ()) {
2691                         break;
2692                 }
2693
2694                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2695
2696                         if (likely_new && !nsm) {
2697
2698                                 std::string existing = Glib::build_filename (session_path, session_name);
2699
2700                                 if (!ask_about_loading_existing_session (existing)) {
2701                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2702                                         continue;
2703                                 }
2704                         }
2705
2706                         _session_is_new = false;
2707
2708                 } else {
2709
2710                         if (!likely_new) {
2711                                 if (_startup) {
2712                                         pop_back_splash (*_startup);
2713                                 } else {
2714                                         hide_splash ();
2715                                 }
2716
2717                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2718                                 msg.run ();
2719                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2720                                 continue;
2721                         }
2722
2723                         char illegal = Session::session_name_is_legal(session_name);
2724                         if (illegal) {
2725                                 pop_back_splash (*_startup);
2726                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2727                                                      "session names may not contain a '%1' character"), illegal));
2728                                 msg.run ();
2729                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2730                                 continue;
2731                         }
2732
2733                         _session_is_new = true;
2734                 }
2735
2736                 if (likely_new && template_name.empty()) {
2737
2738                         ret = build_session_from_nsd (session_path, session_name);
2739
2740                 } else {
2741
2742                         ret = load_session (session_path, session_name, template_name);
2743
2744                         if (ret == -2) {
2745                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2746                                 exit (1);
2747                         }
2748
2749                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2750                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2751                                 exit (1);
2752                         }
2753                 }
2754         }
2755
2756         return ret;
2757 }
2758
2759 void
2760 ARDOUR_UI::close_session()
2761 {
2762         if (!check_audioengine()) {
2763                 return;
2764         }
2765
2766         if (unload_session (true)) {
2767                 return;
2768         }
2769
2770         ARDOUR_COMMAND_LINE::session_name = "";
2771
2772         if (get_session_parameters (true, false)) {
2773                 exit (1);
2774         }
2775
2776         goto_editor_window ();
2777 }
2778
2779 /** @param snap_name Snapshot name (without .ardour suffix).
2780  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2781  */
2782 int
2783 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2784 {
2785         Session *new_session;
2786         int unload_status;
2787         int retval = -1;
2788
2789         session_loaded = false;
2790
2791         if (!check_audioengine()) {
2792                 return -2;
2793         }
2794
2795         unload_status = unload_session ();
2796
2797         if (unload_status < 0) {
2798                 goto out;
2799         } else if (unload_status > 0) {
2800                 retval = 0;
2801                 goto out;
2802         }
2803
2804         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2805
2806         try {
2807                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2808         }
2809
2810         /* this one is special */
2811
2812         catch (AudioEngine::PortRegistrationFailure& err) {
2813
2814                 MessageDialog msg (err.what(),
2815                                    true,
2816                                    Gtk::MESSAGE_INFO,
2817                                    Gtk::BUTTONS_CLOSE);
2818
2819                 msg.set_title (_("Port Registration Error"));
2820                 msg.set_secondary_text (_("Click the Close button to try again."));
2821                 msg.set_position (Gtk::WIN_POS_CENTER);
2822                 pop_back_splash (msg);
2823                 msg.present ();
2824
2825                 int response = msg.run ();
2826
2827                 msg.hide ();
2828
2829                 switch (response) {
2830                 case RESPONSE_CANCEL:
2831                         exit (1);
2832                 default:
2833                         break;
2834                 }
2835                 goto out;
2836         }
2837
2838         catch (...) {
2839
2840                 MessageDialog msg (string_compose(
2841                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2842                                            path, snap_name),
2843                                    true,
2844                                    Gtk::MESSAGE_INFO,
2845                                    BUTTONS_OK);
2846
2847                 msg.set_title (_("Loading Error"));
2848                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2849                 msg.add_button (Stock::REFRESH, 1);
2850                 msg.set_position (Gtk::WIN_POS_CENTER);
2851                 pop_back_splash (msg);
2852                 msg.present ();
2853
2854                 int response = msg.run ();
2855
2856                 switch (response) {
2857                 case 1:
2858                         break;
2859                 default:
2860                         exit (1);
2861                 }
2862
2863                 msg.hide ();
2864
2865                 goto out;
2866         }
2867
2868         {
2869                 list<string> const u = new_session->unknown_processors ();
2870                 if (!u.empty()) {
2871                         MissingPluginDialog d (_session, u);
2872                         d.run ();
2873                 }
2874         }
2875
2876         /* Now the session been created, add the transport controls */
2877         new_session->add_controllable(roll_controllable);
2878         new_session->add_controllable(stop_controllable);
2879         new_session->add_controllable(goto_start_controllable);
2880         new_session->add_controllable(goto_end_controllable);
2881         new_session->add_controllable(auto_loop_controllable);
2882         new_session->add_controllable(play_selection_controllable);
2883         new_session->add_controllable(rec_controllable);
2884
2885         set_session (new_session);
2886
2887         session_loaded = true;
2888
2889         goto_editor_window ();
2890
2891         if (_session) {
2892                 _session->set_clean ();
2893         }
2894
2895         flush_pending ();
2896         retval = 0;
2897
2898   out:
2899         return retval;
2900 }
2901
2902 int
2903 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2904 {
2905         Session *new_session;
2906         int x;
2907
2908         if (!check_audioengine()) {
2909                 return -1;
2910         }
2911
2912         session_loaded = false;
2913
2914         x = unload_session ();
2915
2916         if (x < 0) {
2917                 return -1;
2918         } else if (x > 0) {
2919                 return 0;
2920         }
2921
2922         _session_is_new = true;
2923
2924         try {
2925                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2926         }
2927
2928         catch (...) {
2929
2930                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2931                 pop_back_splash (msg);
2932                 msg.run ();
2933                 return -1;
2934         }
2935
2936         /* Give the new session the default GUI state, if such things exist */
2937
2938         XMLNode* n;
2939         n = Config->instant_xml (X_("Editor"));
2940         if (n) {
2941                 new_session->add_instant_xml (*n, false);
2942         }
2943         n = Config->instant_xml (X_("Mixer"));
2944         if (n) {
2945                 new_session->add_instant_xml (*n, false);
2946         }
2947
2948         /* Put the playhead at 0 and scroll fully left */
2949         n = new_session->instant_xml (X_("Editor"));
2950         if (n) {
2951                 n->add_property (X_("playhead"), X_("0"));
2952                 n->add_property (X_("left-frame"), X_("0"));
2953         }
2954
2955         set_session (new_session);
2956
2957         session_loaded = true;
2958
2959         new_session->save_state(new_session->name());
2960
2961         return 0;
2962 }
2963
2964 void
2965 ARDOUR_UI::launch_chat ()
2966 {
2967 #ifdef __APPLE__
2968         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2969 #else
2970         open_uri("http://webchat.freenode.net/?channels=ardour");
2971 #endif
2972 }
2973
2974 void
2975 ARDOUR_UI::launch_manual ()
2976 {
2977         PBD::open_uri (Config->get_tutorial_manual_url());
2978 }
2979
2980 void
2981 ARDOUR_UI::launch_reference ()
2982 {
2983         PBD::open_uri (Config->get_reference_manual_url());
2984 }
2985
2986 void
2987 ARDOUR_UI::loading_message (const std::string& msg)
2988 {
2989         if (ARDOUR_COMMAND_LINE::no_splash) {
2990                 return;
2991         }
2992
2993         if (!splash) {
2994                 show_splash ();
2995         }
2996
2997         splash->message (msg);
2998 }
2999
3000 void
3001 ARDOUR_UI::show_splash ()
3002 {
3003         if (splash == 0) {
3004                 try {
3005                         splash = new Splash;
3006                 } catch (...) {
3007                         return;
3008                 }
3009         }
3010
3011         splash->display ();
3012 }
3013
3014 void
3015 ARDOUR_UI::hide_splash ()
3016 {
3017         delete splash;
3018         splash = 0;
3019 }
3020
3021 void
3022 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3023 {
3024         size_t removed;
3025
3026         removed = rep.paths.size();
3027
3028         if (removed == 0) {
3029                 MessageDialog msgd (*editor,
3030                                     _("No files were ready for clean-up"),
3031                                     true,
3032                                     Gtk::MESSAGE_INFO,
3033                                     Gtk::BUTTONS_OK);
3034                 msgd.set_title (_("Clean-up"));
3035                 msgd.set_secondary_text (_("If this seems suprising, \n\
3036 check for any existing snapshots.\n\
3037 These may still include regions that\n\
3038 require some unused files to continue to exist."));
3039
3040                 msgd.run ();
3041                 return;
3042         }
3043
3044         ArdourDialog results (_("Clean-up"), true, false);
3045
3046         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3047             CleanupResultsModelColumns() {
3048                     add (visible_name);
3049                     add (fullpath);
3050             }
3051             Gtk::TreeModelColumn<std::string> visible_name;
3052             Gtk::TreeModelColumn<std::string> fullpath;
3053         };
3054
3055
3056         CleanupResultsModelColumns results_columns;
3057         Glib::RefPtr<Gtk::ListStore> results_model;
3058         Gtk::TreeView results_display;
3059
3060         results_model = ListStore::create (results_columns);
3061         results_display.set_model (results_model);
3062         results_display.append_column (list_title, results_columns.visible_name);
3063
3064         results_display.set_name ("CleanupResultsList");
3065         results_display.set_headers_visible (true);
3066         results_display.set_headers_clickable (false);
3067         results_display.set_reorderable (false);
3068
3069         Gtk::ScrolledWindow list_scroller;
3070         Gtk::Label txt;
3071         Gtk::VBox dvbox;
3072         Gtk::HBox dhbox;  // the hbox for the image and text
3073         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3074         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3075
3076         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3077
3078         const string dead_directory = _session->session_directory().dead_path();
3079
3080         /* subst:
3081            %1 - number of files removed
3082            %2 - location of "dead"
3083            %3 - size of files affected
3084            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3085         */
3086
3087         const char* bprefix;
3088         double space_adjusted = 0;
3089
3090         if (rep.space < 1000) {
3091                 bprefix = X_("");
3092                 space_adjusted = rep.space;
3093         } else if (rep.space < 1000000) {
3094                 bprefix = _("kilo");
3095                 space_adjusted = truncf((float)rep.space / 1000.0);
3096         } else if (rep.space < 1000000 * 1000) {
3097                 bprefix = _("mega");
3098                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3099         } else {
3100                 bprefix = _("giga");
3101                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3102         }
3103
3104         if (msg_delete) {
3105                 txt.set_markup (string_compose (P_("\
3106 The following file was deleted from %2,\n\
3107 releasing %3 %4bytes of disk space", "\
3108 The following %1 files were deleted from %2,\n\
3109 releasing %3 %4bytes of disk space", removed),
3110                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3111         } else {
3112                 txt.set_markup (string_compose (P_("\
3113 The following file was not in use and \n\
3114 has been moved to: %2\n\n\
3115 After a restart of %5\n\n\
3116 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3117 will release an additional %3 %4bytes of disk space.\n", "\
3118 The following %1 files were not in use and \n\
3119 have been moved to: %2\n\n\
3120 After a restart of %5\n\n\
3121 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3122 will release an additional %3 %4bytes of disk space.\n", removed),
3123                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3124         }
3125
3126         dhbox.pack_start (*dimage, true, false, 5);
3127         dhbox.pack_start (txt, true, false, 5);
3128
3129         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3130                 TreeModel::Row row = *(results_model->append());
3131                 row[results_columns.visible_name] = *i;
3132                 row[results_columns.fullpath] = *i;
3133         }
3134
3135         list_scroller.add (results_display);
3136         list_scroller.set_size_request (-1, 150);
3137         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3138
3139         dvbox.pack_start (dhbox, true, false, 5);
3140         dvbox.pack_start (list_scroller, true, false, 5);
3141         ddhbox.pack_start (dvbox, true, false, 5);
3142
3143         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3144         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3145         results.set_default_response (RESPONSE_CLOSE);
3146         results.set_position (Gtk::WIN_POS_MOUSE);
3147
3148         results_display.show();
3149         list_scroller.show();
3150         txt.show();
3151         dvbox.show();
3152         dhbox.show();
3153         ddhbox.show();
3154         dimage->show();
3155
3156         //results.get_vbox()->show();
3157         results.set_resizable (false);
3158
3159         results.run ();
3160
3161 }
3162
3163 void
3164 ARDOUR_UI::cleanup ()
3165 {
3166         if (_session == 0) {
3167                 /* shouldn't happen: menu item is insensitive */
3168                 return;
3169         }
3170
3171
3172         MessageDialog checker (_("Are you sure you want to clean-up?"),
3173                                 true,
3174                                 Gtk::MESSAGE_QUESTION,
3175                                 Gtk::BUTTONS_NONE);
3176
3177         checker.set_title (_("Clean-up"));
3178
3179         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3180 ALL undo/redo information will be lost if you clean-up.\n\
3181 Clean-up will move all unused files to a \"dead\" location."));
3182
3183         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3184         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3185         checker.set_default_response (RESPONSE_CANCEL);
3186
3187         checker.set_name (_("CleanupDialog"));
3188         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3189         checker.set_position (Gtk::WIN_POS_MOUSE);
3190
3191         switch (checker.run()) {
3192         case RESPONSE_ACCEPT:
3193                 break;
3194         default:
3195                 return;
3196         }
3197
3198         ARDOUR::CleanupReport rep;
3199
3200         editor->prepare_for_cleanup ();
3201
3202         /* do not allow flush until a session is reloaded */
3203
3204         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3205         if (act) {
3206                 act->set_sensitive (false);
3207         }
3208
3209         if (_session->cleanup_sources (rep)) {
3210                 editor->finish_cleanup ();
3211                 return;
3212         }
3213
3214         editor->finish_cleanup ();
3215
3216         checker.hide();
3217         display_cleanup_results (rep, _("Cleaned Files"), false);
3218 }
3219
3220 void
3221 ARDOUR_UI::flush_trash ()
3222 {
3223         if (_session == 0) {
3224                 /* shouldn't happen: menu item is insensitive */
3225                 return;
3226         }
3227
3228         ARDOUR::CleanupReport rep;
3229
3230         if (_session->cleanup_trash_sources (rep)) {
3231                 return;
3232         }
3233
3234         display_cleanup_results (rep, _("deleted file"), true);
3235 }
3236
3237 void
3238 ARDOUR_UI::add_route (Gtk::Window* float_window)
3239 {
3240         int count;
3241
3242         if (!_session) {
3243                 return;
3244         }
3245
3246         if (add_route_dialog->is_visible()) {
3247                 /* we're already doing this */
3248                 return;
3249         }
3250
3251         if (float_window) {
3252                 add_route_dialog->set_transient_for (*float_window);
3253         }
3254
3255         ResponseType r = (ResponseType) add_route_dialog->run ();
3256
3257         add_route_dialog->hide();
3258
3259         switch (r) {
3260                 case RESPONSE_ACCEPT:
3261                         break;
3262                 default:
3263                         return;
3264                         break;
3265         }
3266
3267         if ((count = add_route_dialog->count()) <= 0) {
3268                 return;
3269         }
3270
3271         PBD::ScopedConnection idle_connection;
3272
3273         if (count > 8) {
3274                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3275         }
3276
3277         string template_path = add_route_dialog->track_template();
3278
3279         if (!template_path.empty()) {
3280                 if (add_route_dialog->name_template_is_default())  {
3281                         _session->new_route_from_template (count, template_path, string());
3282                 } else {
3283                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3284                 }
3285                 return;
3286         }
3287
3288         ChanCount input_chan= add_route_dialog->channels ();
3289         ChanCount output_chan;
3290         string name_template = add_route_dialog->name_template ();
3291         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3292         RouteGroup* route_group = add_route_dialog->route_group ();
3293         AutoConnectOption oac = Config->get_output_auto_connect();
3294
3295         if (oac & AutoConnectMaster) {
3296                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3297                 output_chan.set (DataType::MIDI, 0);
3298         } else {
3299                 output_chan = input_chan;
3300         }
3301
3302         /* XXX do something with name template */
3303
3304         switch (add_route_dialog->type_wanted()) {
3305         case AddRouteDialog::AudioTrack:
3306                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3307                 break;
3308         case AddRouteDialog::MidiTrack:
3309                 session_add_midi_track (route_group, count, name_template, instrument);
3310                 break;
3311         case AddRouteDialog::MixedTrack:
3312                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3313                 break;
3314         case AddRouteDialog::AudioBus:
3315                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3316                 break;
3317         }
3318
3319         /* idle connection will end at scope end */
3320 }
3321
3322 void
3323 ARDOUR_UI::stop_video_server (bool ask_confirm)
3324 {
3325         if (!video_server_process && ask_confirm) {
3326                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3327         }
3328         if (video_server_process) {
3329                 if(ask_confirm) {
3330                         ArdourDialog confirm (_("Stop Video-Server"), true);
3331                         Label m (_("Do you really want to stop the Video Server?"));
3332                         confirm.get_vbox()->pack_start (m, true, true);
3333                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3334                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3335                         confirm.show_all ();
3336                         if (confirm.run() == RESPONSE_CANCEL) {
3337                                 return;
3338                         }
3339                 }
3340                 delete video_server_process;
3341                 video_server_process =0;
3342         }
3343 }
3344
3345 void
3346 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3347 {
3348   ARDOUR_UI::start_video_server( float_window, true);
3349 }
3350
3351 bool
3352 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3353 {
3354         if (!_session) {
3355                 return false;
3356         }
3357         if (popup_msg) {
3358                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3359                         if (video_server_process) {
3360                                 popup_error(_("The Video Server is already started."));
3361                         } else {
3362                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3363                         }
3364                 }
3365         }
3366
3367         int firsttime = 0;
3368         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3369                 if (firsttime++) {
3370                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3371                 }
3372                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3373                 if (float_window) {
3374                         video_server_dialog->set_transient_for (*float_window);
3375                 }
3376
3377                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3378                         video_server_dialog->hide();
3379                 } else {
3380                         ResponseType r = (ResponseType) video_server_dialog->run ();
3381                         video_server_dialog->hide();
3382                         if (r != RESPONSE_ACCEPT) { return false; }
3383                         if (video_server_dialog->show_again()) {
3384                                 Config->set_show_video_server_dialog(false);
3385                         }
3386                 }
3387
3388                 std::string icsd_exec = video_server_dialog->get_exec_path();
3389                 std::string icsd_docroot = video_server_dialog->get_docroot();
3390                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3391
3392                 struct stat sb;
3393                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3394                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3395                         continue;
3396                 }
3397                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3398                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3399                         warning << _("Given Video Server is not an executable file.") << endmsg;
3400                         continue;
3401                 }
3402
3403                 char **argp;
3404                 argp=(char**) calloc(9,sizeof(char*));
3405                 argp[0] = strdup(icsd_exec.c_str());
3406                 argp[1] = strdup("-P");
3407                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3408                 argp[3] = strdup("-p");
3409                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3410                 argp[5] = strdup("-C");
3411                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3412                 argp[7] = strdup(icsd_docroot.c_str());
3413                 argp[8] = 0;
3414                 stop_video_server();
3415
3416                 if (icsd_docroot == X_("/")) {
3417                         Config->set_video_advanced_setup(false);
3418                 } else {
3419                         std::ostringstream osstream;
3420                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3421                         Config->set_video_server_url(osstream.str());
3422                         Config->set_video_server_docroot(icsd_docroot);
3423                         Config->set_video_advanced_setup(true);
3424                 }
3425
3426                 if (video_server_process) {
3427                         delete video_server_process;
3428                 }
3429
3430                 video_server_process = new SystemExec(icsd_exec, argp);
3431                 if (video_server_process->start()) {
3432                         warning << _("Cannot launch the video-server") << endmsg;
3433                         continue;
3434                 }
3435                 int timeout = 120; // 6 sec
3436                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3437                         usleep (50000);
3438                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3439                 }
3440                 if (timeout <= 0) {
3441                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3442                 }
3443         }
3444         return true;
3445 }
3446
3447 void
3448 ARDOUR_UI::add_video (Gtk::Window* float_window)
3449 {
3450         if (!_session) {
3451                 return;
3452         }
3453
3454         if (!start_video_server(float_window, false)) {
3455                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3456                 return;
3457         }
3458
3459         if (float_window) {
3460                 add_video_dialog->set_transient_for (*float_window);
3461         }
3462
3463         if (add_video_dialog->is_visible()) {
3464                 /* we're already doing this */
3465                 return;
3466         }
3467
3468         ResponseType r = (ResponseType) add_video_dialog->run ();
3469         add_video_dialog->hide();
3470         if (r != RESPONSE_ACCEPT) { return; }
3471
3472         bool local_file;
3473         std::string path = add_video_dialog->file_name(local_file);
3474         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3475
3476         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3477                 warning << string_compose(_("could not open %1"), path) << endmsg;
3478                 return;
3479         }
3480         if (!local_file && path.length() == 0) {
3481                 warning << _("no video-file selected") << endmsg;
3482                 return;
3483         }
3484
3485         switch (add_video_dialog->import_option()) {
3486                 case VTL_IMPORT_TRANSCODE:
3487                         {
3488                                 TranscodeVideoDialog *transcode_video_dialog;
3489                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3490                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3491                                 transcode_video_dialog->hide();
3492                                 if (r != RESPONSE_ACCEPT) {
3493                                         delete transcode_video_dialog;
3494                                         return;
3495                                 }
3496                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3497                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3498                                 }
3499                                 switch (transcode_video_dialog->import_option()) {
3500                                         case VTL_IMPORT_TRANSCODED:
3501                                                 path = transcode_video_dialog->get_filename();
3502                                                 local_file = true;
3503                                                 break;
3504                                         case VTL_IMPORT_REFERENCE:
3505                                                 break;
3506                                         default:
3507                                                 delete transcode_video_dialog;
3508                                                 return;
3509                                 }
3510                                 delete transcode_video_dialog;
3511                         }
3512                         break;
3513                 default:
3514                 case VTL_IMPORT_NONE:
3515                         break;
3516         }
3517
3518         /* strip _session->session_directory().video_path() from video file if possible */
3519         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3520                  path=path.substr(_session->session_directory().video_path().size());
3521                  if (path.at(0) == G_DIR_SEPARATOR) {
3522                          path=path.substr(1);
3523                  }
3524         }
3525
3526         video_timeline->set_update_session_fps(auto_set_session_fps);
3527         if (video_timeline->video_file_info(path, local_file)) {
3528                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3529                 node->add_property (X_("Filename"), path);
3530                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3531                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3532                 _session->add_extra_xml (*node);
3533                 _session->set_dirty ();
3534
3535                 _session->maybe_update_session_range(
3536                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3537                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3538
3539
3540                 if (add_video_dialog->launch_xjadeo() && local_file) {
3541                         editor->set_xjadeo_sensitive(true);
3542                         editor->toggle_xjadeo_proc(1);
3543                 } else {
3544                         editor->toggle_xjadeo_proc(0);
3545                 }
3546                 editor->toggle_ruler_video(true);
3547         }
3548 }
3549
3550 void
3551 ARDOUR_UI::remove_video ()
3552 {
3553         video_timeline->close_session();
3554         editor->toggle_ruler_video(false);
3555
3556         /* delete session state */
3557         XMLNode* node = new XMLNode(X_("Videotimeline"));
3558         _session->add_extra_xml(*node);
3559         node = new XMLNode(X_("Videomonitor"));
3560         _session->add_extra_xml(*node);
3561         stop_video_server();
3562
3563         editor->set_close_video_sensitive(false);
3564 }
3565
3566 void
3567 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3568 {
3569         if (localcacheonly) {
3570                 video_timeline->vmon_update();
3571         } else {
3572                 video_timeline->flush_cache();
3573         }
3574         editor->queue_visual_videotimeline_update();
3575 }
3576
3577 XMLNode*
3578 ARDOUR_UI::mixer_settings () const
3579 {
3580         XMLNode* node = 0;
3581
3582         if (_session) {
3583                 node = _session->instant_xml(X_("Mixer"));
3584         } else {
3585                 node = Config->instant_xml(X_("Mixer"));
3586         }
3587
3588         if (!node) {
3589                 node = new XMLNode (X_("Mixer"));
3590         }
3591
3592         return node;
3593 }
3594
3595 XMLNode*
3596 ARDOUR_UI::editor_settings () const
3597 {
3598         XMLNode* node = 0;
3599
3600         if (_session) {
3601                 node = _session->instant_xml(X_("Editor"));
3602         } else {
3603                 node = Config->instant_xml(X_("Editor"));
3604         }
3605
3606         if (!node) {
3607                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3608                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3609                 }
3610         }
3611
3612         if (!node) {
3613                 node = new XMLNode (X_("Editor"));
3614         }
3615
3616         return node;
3617 }
3618
3619 XMLNode*
3620 ARDOUR_UI::keyboard_settings () const
3621 {
3622         XMLNode* node = 0;
3623
3624         node = Config->extra_xml(X_("Keyboard"));
3625
3626         if (!node) {
3627                 node = new XMLNode (X_("Keyboard"));
3628         }
3629
3630         return node;
3631 }
3632
3633 void
3634 ARDOUR_UI::create_xrun_marker (framepos_t where)
3635 {
3636         editor->mouse_add_new_marker (where, false, true);
3637 }
3638
3639 void
3640 ARDOUR_UI::halt_on_xrun_message ()
3641 {
3642         MessageDialog msg (*editor,
3643                            _("Recording was stopped because your system could not keep up."));
3644         msg.run ();
3645 }
3646
3647 void
3648 ARDOUR_UI::xrun_handler (framepos_t where)
3649 {
3650         if (!_session) {
3651                 return;
3652         }
3653
3654         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3655
3656         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3657                 create_xrun_marker(where);
3658         }
3659
3660         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3661                 halt_on_xrun_message ();
3662         }
3663 }
3664
3665 void
3666 ARDOUR_UI::disk_overrun_handler ()
3667 {
3668         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3669
3670         if (!have_disk_speed_dialog_displayed) {
3671                 have_disk_speed_dialog_displayed = true;
3672                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3673 The disk system on your computer\n\
3674 was not able to keep up with %1.\n\
3675 \n\
3676 Specifically, it failed to write data to disk\n\
3677 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3678                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3679                 msg->show ();
3680         }
3681 }
3682
3683 void
3684 ARDOUR_UI::disk_underrun_handler ()
3685 {
3686         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3687
3688         if (!have_disk_speed_dialog_displayed) {
3689                 have_disk_speed_dialog_displayed = true;
3690                 MessageDialog* msg = new MessageDialog (
3691                         *editor, string_compose (_("The disk system on your computer\n\
3692 was not able to keep up with %1.\n\
3693 \n\
3694 Specifically, it failed to read data from disk\n\
3695 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3696                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3697                 msg->show ();
3698         }
3699 }
3700
3701 void
3702 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3703 {
3704         have_disk_speed_dialog_displayed = false;
3705         delete msg;
3706 }
3707
3708 void
3709 ARDOUR_UI::session_dialog (std::string msg)
3710 {
3711         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3712
3713         MessageDialog* d;
3714
3715         if (editor) {
3716                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3717         } else {
3718                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3719         }
3720
3721         d->show_all ();
3722         d->run ();
3723         delete d;
3724 }
3725
3726 int
3727 ARDOUR_UI::pending_state_dialog ()
3728 {
3729         HBox* hbox = new HBox();
3730         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3731         ArdourDialog dialog (_("Crash Recovery"), true);
3732         Label  message (string_compose (_("\
3733 This session appears to have been in the\n\
3734 middle of recording when %1 or\n\
3735 the computer was shutdown.\n\
3736 \n\
3737 %1 can recover any captured audio for\n\
3738 you, or it can ignore it. Please decide\n\
3739 what you would like to do.\n"), PROGRAM_NAME));
3740         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3741         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3742         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3743         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3744         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3745         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3746         dialog.set_default_response (RESPONSE_ACCEPT);
3747         dialog.set_position (WIN_POS_CENTER);
3748         message.show();
3749         image->show();
3750         hbox->show();
3751
3752         switch (dialog.run ()) {
3753         case RESPONSE_ACCEPT:
3754                 return 1;
3755         default:
3756                 return 0;
3757         }
3758 }
3759
3760 int
3761 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3762 {
3763         HBox* hbox = new HBox();
3764         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3765         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3766         Label  message (string_compose (_("\
3767 This session was created with a sample rate of %1 Hz, but\n\
3768 %2 is currently running at %3 Hz.  If you load this session,\n\
3769 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3770
3771         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3772         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3773         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3774         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3775         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3776         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3777         dialog.set_default_response (RESPONSE_ACCEPT);
3778         dialog.set_position (WIN_POS_CENTER);
3779         message.show();
3780         image->show();
3781         hbox->show();
3782
3783         switch (dialog.run()) {
3784         case RESPONSE_ACCEPT:
3785                 return 0;
3786         default:
3787                 break;
3788         }
3789
3790         return 1;
3791 }
3792
3793
3794 void
3795 ARDOUR_UI::disconnect_from_jack ()
3796 {
3797         if (engine) {
3798                 if (engine->disconnect_from_jack ()) {
3799                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3800                         msg.run ();
3801                 }
3802
3803                 update_sample_rate (0);
3804         }
3805 }
3806
3807 void
3808 ARDOUR_UI::reconnect_to_jack ()
3809 {
3810         if (engine) {
3811                 if (engine->reconnect_to_jack ()) {
3812                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3813                         msg.run ();
3814                 }
3815
3816                 update_sample_rate (0);
3817         }
3818 }
3819
3820 void
3821 ARDOUR_UI::use_config ()
3822 {
3823         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3824         if (node) {
3825                 set_transport_controllable_state (*node);
3826         }
3827 }
3828
3829 void
3830 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3831 {
3832         if (Config->get_primary_clock_delta_edit_cursor()) {
3833                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3834         } else {
3835                 primary_clock->set (pos);
3836         }
3837
3838         if (Config->get_secondary_clock_delta_edit_cursor()) {
3839                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3840         } else {
3841                 secondary_clock->set (pos);
3842         }
3843
3844         if (big_clock_window) {
3845                 big_clock->set (pos);
3846         }
3847         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3848 }
3849
3850 void
3851 ARDOUR_UI::step_edit_status_change (bool yn)
3852 {
3853         // XXX should really store pre-step edit status of things
3854         // we make insensitive
3855
3856         if (yn) {
3857                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3858                 rec_button.set_sensitive (false);
3859         } else {
3860                 rec_button.unset_active_state ();;
3861                 rec_button.set_sensitive (true);
3862         }
3863 }
3864
3865 void
3866 ARDOUR_UI::record_state_changed ()
3867 {
3868         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3869
3870         if (!_session || !big_clock_window) {
3871                 /* why bother - the clock isn't visible */
3872                 return;
3873         }
3874
3875         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3876                 big_clock->set_active (true);
3877         } else {
3878                 big_clock->set_active (false);
3879         }
3880 }
3881
3882 bool
3883 ARDOUR_UI::first_idle ()
3884 {
3885         if (_session) {
3886                 _session->allow_auto_play (true);
3887         }
3888
3889         if (editor) {
3890                 editor->first_idle();
3891         }
3892
3893         Keyboard::set_can_save_keybindings (true);
3894         return false;
3895 }
3896
3897 void
3898 ARDOUR_UI::store_clock_modes ()
3899 {
3900         XMLNode* node = new XMLNode(X_("ClockModes"));
3901
3902         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3903                 XMLNode* child = new XMLNode (X_("Clock"));
3904
3905                 child->add_property (X_("name"), (*x)->name());
3906                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3907                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3908
3909                 node->add_child_nocopy (*child);
3910         }
3911
3912         _session->add_extra_xml (*node);
3913         _session->set_dirty ();
3914 }
3915
3916 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3917         : Controllable (name), ui (u), type(tp)
3918 {
3919
3920 }
3921
3922 void
3923 ARDOUR_UI::TransportControllable::set_value (double val)
3924 {
3925         if (val < 0.5) {
3926                 /* do nothing: these are radio-style actions */
3927                 return;
3928         }
3929
3930         const char *action = 0;
3931
3932         switch (type) {
3933         case Roll:
3934                 action = X_("Roll");
3935                 break;
3936         case Stop:
3937                 action = X_("Stop");
3938                 break;
3939         case GotoStart:
3940                 action = X_("GotoStart");
3941                 break;
3942         case GotoEnd:
3943                 action = X_("GotoEnd");
3944                 break;
3945         case AutoLoop:
3946                 action = X_("Loop");
3947                 break;
3948         case PlaySelection:
3949                 action = X_("PlaySelection");
3950                 break;
3951         case RecordEnable:
3952                 action = X_("Record");
3953                 break;
3954         default:
3955                 break;
3956         }
3957
3958         if (action == 0) {
3959                 return;
3960         }
3961
3962         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3963
3964         if (act) {
3965                 act->activate ();
3966         }
3967 }
3968
3969 double
3970 ARDOUR_UI::TransportControllable::get_value (void) const
3971 {
3972         float val = 0.0;
3973
3974         switch (type) {
3975         case Roll:
3976                 break;
3977         case Stop:
3978                 break;
3979         case GotoStart:
3980                 break;
3981         case GotoEnd:
3982                 break;
3983         case AutoLoop:
3984                 break;
3985         case PlaySelection:
3986                 break;
3987         case RecordEnable:
3988                 break;
3989         default:
3990                 break;
3991         }
3992
3993         return val;
3994 }
3995
3996 void
3997 ARDOUR_UI::setup_profile ()
3998 {
3999         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4000                 Profile->set_small_screen ();
4001         }
4002
4003         if (getenv ("ARDOUR_SAE")) {
4004                 Profile->set_sae ();
4005                 Profile->set_single_package ();
4006         }
4007 }
4008
4009 int
4010 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4011 {
4012         MissingFileDialog dialog (s, str, type);
4013
4014         dialog.show ();
4015         dialog.present ();
4016
4017         int result = dialog.run ();
4018         dialog.hide ();
4019
4020         switch (result) {
4021         case RESPONSE_OK:
4022                 break;
4023         default:
4024                 return 1; // quit entire session load
4025         }
4026
4027         result = dialog.get_action ();
4028
4029         return result;
4030 }
4031
4032 int
4033 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4034 {
4035         AmbiguousFileDialog dialog (file, hits);
4036
4037         dialog.show ();
4038         dialog.present ();
4039
4040         dialog.run ();
4041         return dialog.get_which ();
4042 }
4043
4044 /** Allocate our thread-local buffers */
4045 void
4046 ARDOUR_UI::get_process_buffers ()
4047 {
4048         _process_thread->get_buffers ();
4049 }
4050
4051 /** Drop our thread-local buffers */
4052 void
4053 ARDOUR_UI::drop_process_buffers ()
4054 {
4055         _process_thread->drop_buffers ();
4056 }
4057
4058 void
4059 ARDOUR_UI::feedback_detected ()
4060 {
4061         _feedback_exists = true;
4062 }
4063
4064 void
4065 ARDOUR_UI::successful_graph_sort ()
4066 {
4067         _feedback_exists = false;
4068 }
4069
4070 void
4071 ARDOUR_UI::midi_panic ()
4072 {
4073         if (_session) {
4074                 _session->midi_panic();
4075         }
4076 }
4077
4078 void
4079 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4080 {
4081         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4082         const char* end_big = "</span>";
4083         const char* start_mono = "<tt>";
4084         const char* end_mono = "</tt>";
4085
4086         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4087                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4088                                              "From now on, use the -2000 version with older versions of %3"),
4089                                            xml_path, backup_path, PROGRAM_NAME,
4090                                            start_big, end_big,
4091                                            start_mono, end_mono), true);
4092
4093         msg.run ();
4094 }