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         , video_timeline(0)
 157
 158           /* start of private members */
 159
 160         , _startup (0)
 161         , engine (0)
 162         , nsm (0)
 163         , _was_dirty (false)
 164         , _mixer_on_top (false)
 165
 166           /* transport */
 167
 168         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 169         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 170         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 171         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 172         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 173         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 174         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 175
 176         , auto_return_button (ArdourButton::led_default_elements)
 177         , follow_edits_button (ArdourButton::led_default_elements)
 178         , auto_input_button (ArdourButton::led_default_elements)
 179
 180         , auditioning_alert_button (_("audition"))
 181         , solo_alert_button (_("solo"))
 182         , feedback_alert_button (_("feedback"))
 183
 184         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 185         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 186         , key_editor (X_("key-editor"), _("Key Bindings"))
 187         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 188         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 189         , about (X_("about"), _("About"))
 190         , location_ui (X_("locations"), _("Locations"))
 191         , route_params (X_("inspector"), _("Tracks and Busses"))
 192         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 193         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 194         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 195         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 196         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 197         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 198
 199         , error_log_button (_("Errors"))
 200
 201         , _status_bar_visibility (X_("status-bar"))
 202         , _feedback_exists (false)
 203
 204 {
 205         Gtkmm2ext::init(localedir);
 206
 207         splash = 0;
 208
 209         if (theArdourUI == 0) {
 210                 theArdourUI = this;
 211         }
 212
 213         ui_config = new UIConfiguration();
 214
 215         editor = 0;
 216         mixer = 0;
 217         meterbridge = 0;
 218         editor = 0;
 219         engine = 0;
 220         _session_is_new = false;
 221         session_selector_window = 0;
 222         last_key_press_time = 0;
 223         video_server_process = 0;
 224         open_session_selector = 0;
 225         have_configure_timeout = false;
 226         have_disk_speed_dialog_displayed = false;
 227         session_loaded = false;
 228         ignore_dual_punch = false;
 229
 230         roll_button.set_controllable (roll_controllable);
 231         stop_button.set_controllable (stop_controllable);
 232         goto_start_button.set_controllable (goto_start_controllable);
 233         goto_end_button.set_controllable (goto_end_controllable);
 234         auto_loop_button.set_controllable (auto_loop_controllable);
 235         play_selection_button.set_controllable (play_selection_controllable);
 236         rec_button.set_controllable (rec_controllable);
 237
 238         roll_button.set_name ("transport button");
 239         stop_button.set_name ("transport button");
 240         goto_start_button.set_name ("transport button");
 241         goto_end_button.set_name ("transport button");
 242         auto_loop_button.set_name ("transport button");
 243         play_selection_button.set_name ("transport button");
 244         rec_button.set_name ("transport recenable button");
 245         midi_panic_button.set_name ("transport button");
 246
 247         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 248         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 249         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 250
 251         last_configure_time= 0;
 252         last_peak_grab = 0;
 253
 254         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 255         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 256
 257         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 258
 259         /* handle dialog requests */
 260
 261         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 262
 263         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 264
 265         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 266
 267         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 268
 269         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 270
 271         /* handle requests to quit (coming from JACK session) */
 272
 273         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 274
 275         /* tell the user about feedback */
 276
 277         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 278         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 279
 280         /* handle requests to deal with missing files */
 281
 282         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 283
 284         /* and ambiguous files */
 285
 286         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 287
 288         /* lets get this party started */
 289
 290         try {
 291                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 292                         throw failed_constructor ();
 293                 }
 294
 295                 setup_gtk_ardour_enums ();
 296                 setup_profile ();
 297
 298                 SessionEvent::create_per_thread_pool ("GUI", 512);
 299
 300         } catch (failed_constructor& err) {
 301                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 302                 // pass it on up
 303                 throw;
 304         }
 305
 306         /* we like keyboards */
 307
 308         keyboard = new ArdourKeyboard(*this);
 309
 310         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 311         if (node) {
 312                 keyboard->set_state (*node, Stateful::loading_state_version);
 313         }
 314
 315         /* we don't like certain modifiers */
 316         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 317
 318         reset_dpi();
 319
 320         TimeAxisViewItem::set_constant_heights ();
 321
 322         /* Set this up so that our window proxies can register actions */
 323
 324         ActionManager::init ();
 325
 326         /* The following must happen after ARDOUR::init() so that Config is set up */
 327
 328         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 329
 330         if (ui_xml) {
 331                 theme_manager.set_state (*ui_xml);
 332                 key_editor.set_state (*ui_xml);
 333                 rc_option_editor.set_state (*ui_xml);
 334                 session_option_editor.set_state (*ui_xml);
 335                 speaker_config_window.set_state (*ui_xml);
 336                 about.set_state (*ui_xml);
 337                 add_route_dialog.set_state (*ui_xml);
 338                 add_video_dialog.set_state (*ui_xml);
 339                 route_params.set_state (*ui_xml);
 340                 bundle_manager.set_state (*ui_xml);
 341                 location_ui.set_state (*ui_xml);
 342                 big_clock_window.set_state (*ui_xml);
 343                 audio_port_matrix.set_state (*ui_xml);
 344                 midi_port_matrix.set_state (*ui_xml);
 345         }
 346
 347         WM::Manager::instance().register_window (&theme_manager);
 348         WM::Manager::instance().register_window (&key_editor);
 349         WM::Manager::instance().register_window (&rc_option_editor);
 350         WM::Manager::instance().register_window (&session_option_editor);
 351         WM::Manager::instance().register_window (&speaker_config_window);
 352         WM::Manager::instance().register_window (&about);
 353         WM::Manager::instance().register_window (&add_route_dialog);
 354         WM::Manager::instance().register_window (&add_video_dialog);
 355         WM::Manager::instance().register_window (&route_params);
 356         WM::Manager::instance().register_window (&bundle_manager);
 357         WM::Manager::instance().register_window (&location_ui);
 358         WM::Manager::instance().register_window (&big_clock_window);
 359         WM::Manager::instance().register_window (&audio_port_matrix);
 360         WM::Manager::instance().register_window (&midi_port_matrix);
 361
 362         /* We need to instantiate the theme manager because it loads our
 363            theme files. This should really change so that its window
 364            and its functionality are separate
 365         */
 366
 367         (void) theme_manager.get (true);
 368
 369         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 370         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 371
 372         _process_thread = new ProcessThread ();
 373         _process_thread->init ();
 374
 375         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 376 }
 377
 378 GlobalPortMatrixWindow*
 379 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 380 {
 381         if (!_session) {
 382                 return 0;
 383         }
 384         return new GlobalPortMatrixWindow (_session, type);
 385 }
 386
 387 int
 388 ARDOUR_UI::create_engine ()
 389 {
 390         // this gets called every time by new_session()
 391
 392         if (engine) {
 393                 return 0;
 394         }
 395
 396         loading_message (_("Starting audio engine"));
 397
 398         try {
 399                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 400
 401         } catch (...) {
 402
 403                 return -1;
 404         }
 405
 406         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 407         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 408         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 409
 410         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 411
 412         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 413
 414         post_engine ();
 415
 416         return 0;
 417 }
 418
 419 void
 420 ARDOUR_UI::post_engine ()
 421 {
 422         /* Things to be done once we create the AudioEngine
 423          */
 424
 425         ARDOUR::init_post_engine ();
 426
 427         _tooltips.enable();
 428
 429         ActionManager::load_menus ();
 430
 431         if (setup_windows ()) {
 432                 throw failed_constructor ();
 433         }
 434
 435         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 436         XMLNode* n = Config->extra_xml (X_("UI"));
 437         if (n) {
 438                 _status_bar_visibility.set_state (*n);
 439         }
 440
 441         check_memory_locking();
 442
 443         /* this is the first point at which all the keybindings are available */
 444
 445         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 446                 vector<string> names;
 447                 vector<string> paths;
 448                 vector<string> tooltips;
 449                 vector<string> keys;
 450                 vector<AccelKey> bindings;
 451
 452                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 453
 454                 vector<string>::iterator n;
 455                 vector<string>::iterator k;
 456                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 457                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 458                 }
 459
 460                 exit (0);
 461         }
 462
 463         blink_timeout_tag = -1;
 464
 465         /* this being a GUI and all, we want peakfiles */
 466
 467         AudioFileSource::set_build_peakfiles (true);
 468         AudioFileSource::set_build_missing_peakfiles (true);
 469
 470         /* set default clock modes */
 471
 472         if (Profile->get_sae()) {
 473                 primary_clock->set_mode (AudioClock::BBT);
 474                 secondary_clock->set_mode (AudioClock::MinSec);
 475         }  else {
 476                 primary_clock->set_mode (AudioClock::Timecode);
 477                 secondary_clock->set_mode (AudioClock::BBT);
 478         }
 479
 480         /* start the time-of-day-clock */
 481
 482 #ifndef GTKOSX
 483         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 484         update_wall_clock ();
 485         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 486 #endif
 487
 488         update_disk_space ();
 489         update_cpu_load ();
 490         update_sample_rate (engine->frame_rate());
 491         update_timecode_format ();
 492
 493         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 494         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 495         Config->map_parameters (pc);
 496
 497         /* now start and maybe save state */
 498
 499         if (do_engine_start () == 0) {
 500                 if (_session && _session_is_new) {
 501                         /* we need to retain initial visual
 502                            settings for a new session
 503                         */
 504                         _session->save_state ("");
 505                 }
 506         }
 507 }
 508
 509 ARDOUR_UI::~ARDOUR_UI ()
 510 {
 511         delete keyboard;
 512         delete editor;
 513         delete mixer;
 514         delete meterbridge;
 515
 516         stop_video_server();
 517 }
 518
 519 void
 520 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 521 {
 522         if (Splash::instance()) {
 523                 Splash::instance()->pop_back_for (win);
 524         }
 525 }
 526
 527 gint
 528 ARDOUR_UI::configure_timeout ()
 529 {
 530         if (last_configure_time == 0) {
 531                 /* no configure events yet */
 532                 return true;
 533         }
 534
 535         /* force a gap of 0.5 seconds since the last configure event
 536          */
 537
 538         if (get_microseconds() - last_configure_time < 500000) {
 539                 return true;
 540         } else {
 541                 have_configure_timeout = false;
 542                 save_ardour_state ();
 543                 return false;
 544         }
 545 }
 546
 547 gboolean
 548 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 549 {
 550         if (have_configure_timeout) {
 551                 last_configure_time = get_microseconds();
 552         } else {
 553                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 554                 have_configure_timeout = true;
 555         }
 556
 557         return FALSE;
 558 }
 559
 560 void
 561 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 562 {
 563         const XMLProperty* prop;
 564
 565         if ((prop = node.property ("roll")) != 0) {
 566                 roll_controllable->set_id (prop->value());
 567         }
 568         if ((prop = node.property ("stop")) != 0) {
 569                 stop_controllable->set_id (prop->value());
 570         }
 571         if ((prop = node.property ("goto-start")) != 0) {
 572                 goto_start_controllable->set_id (prop->value());
 573         }
 574         if ((prop = node.property ("goto-end")) != 0) {
 575                 goto_end_controllable->set_id (prop->value());
 576         }
 577         if ((prop = node.property ("auto-loop")) != 0) {
 578                 auto_loop_controllable->set_id (prop->value());
 579         }
 580         if ((prop = node.property ("play-selection")) != 0) {
 581                 play_selection_controllable->set_id (prop->value());
 582         }
 583         if ((prop = node.property ("rec")) != 0) {
 584                 rec_controllable->set_id (prop->value());
 585         }
 586         if ((prop = node.property ("shuttle")) != 0) {
 587                 shuttle_box->controllable()->set_id (prop->value());
 588         }
 589 }
 590
 591 XMLNode&
 592 ARDOUR_UI::get_transport_controllable_state ()
 593 {
 594         XMLNode* node = new XMLNode(X_("TransportControllables"));
 595         char buf[64];
 596
 597         roll_controllable->id().print (buf, sizeof (buf));
 598         node->add_property (X_("roll"), buf);
 599         stop_controllable->id().print (buf, sizeof (buf));
 600         node->add_property (X_("stop"), buf);
 601         goto_start_controllable->id().print (buf, sizeof (buf));
 602         node->add_property (X_("goto_start"), buf);
 603         goto_end_controllable->id().print (buf, sizeof (buf));
 604         node->add_property (X_("goto_end"), buf);
 605         auto_loop_controllable->id().print (buf, sizeof (buf));
 606         node->add_property (X_("auto_loop"), buf);
 607         play_selection_controllable->id().print (buf, sizeof (buf));
 608         node->add_property (X_("play_selection"), buf);
 609         rec_controllable->id().print (buf, sizeof (buf));
 610         node->add_property (X_("rec"), buf);
 611         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 612         node->add_property (X_("shuttle"), buf);
 613
 614         return *node;
 615 }
 616
 617
 618 gint
 619 ARDOUR_UI::autosave_session ()
 620 {
 621         if (g_main_depth() > 1) {
 622                 /* inside a recursive main loop,
 623                    give up because we may not be able to
 624                    take a lock.
 625                 */
 626                 return 1;
 627         }
 628
 629         if (!Config->get_periodic_safety_backups()) {
 630                 return 1;
 631         }
 632
 633         if (_session) {
 634                 _session->maybe_write_autosave();
 635         }
 636
 637         return 1;
 638 }
 639
 640 void
 641 ARDOUR_UI::update_autosave ()
 642 {
 643         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 644
 645         if (_session && _session->dirty()) {
 646                 if (_autosave_connection.connected()) {
 647                         _autosave_connection.disconnect();
 648                 }
 649
 650                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 651                                 Config->get_periodic_safety_backup_interval() * 1000);
 652
 653         } else {
 654                 if (_autosave_connection.connected()) {
 655                         _autosave_connection.disconnect();
 656                 }
 657         }
 658 }
 659
 660 void
 661 ARDOUR_UI::check_announcements ()
 662 {
 663 #ifdef PHONE_HOME
 664         string _annc_filename;
 665
 666 #ifdef __APPLE__
 667         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 668 #else
 669         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 670 #endif
 671         _annc_filename.append (VERSIONSTRING);
 672
 673         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 674         std::ifstream announce_file (path.c_str());
 675         if ( announce_file.fail() )
 676                 _announce_string = "";
 677         else {
 678                 std::stringstream oss;
 679                 oss << announce_file.rdbuf();
 680                 _announce_string = oss.str();
 681         }
 682
 683         pingback (VERSIONSTRING, path);
 684 #endif
 685 }
 686
 687 void
 688 ARDOUR_UI::startup ()
 689 {
 690         Application* app = Application::instance ();
 691         char *nsm_url;
 692         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 693         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 694
 695         if (ARDOUR_COMMAND_LINE::check_announcements) {
 696                 check_announcements ();
 697         }
 698
 699         app->ready ();
 700
 701         nsm_url = getenv ("NSM_URL");
 702
 703         if (nsm_url) {
 704                 nsm = new NSM_Client;
 705                 if (!nsm->init (nsm_url)) {
 706                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 707
 708                         unsigned int i = 0;
 709                         // wait for announce reply from nsm server
 710                         for ( i = 0; i < 5000; ++i) {
 711                                 nsm->check ();
 712                                 usleep (i);
 713                                 if (nsm->is_active())
 714                                         break;
 715                         }
 716                         // wait for open command from nsm server
 717                         for ( i = 0; i < 5000; ++i) {
 718                                 nsm->check ();
 719                                 usleep (1000);
 720                                 if (nsm->client_id ())
 721                                         break;
 722                         }
 723
 724                         if (_session && nsm) {
 725                                 _session->set_nsm_state( nsm->is_active() );
 726                         }
 727
 728                         // nsm requires these actions disabled
 729                         vector<string> action_names;
 730                         action_names.push_back("SaveAs");
 731                         action_names.push_back("Rename");
 732                         action_names.push_back("New");
 733                         action_names.push_back("Open");
 734                         action_names.push_back("Recent");
 735                         action_names.push_back("Close");
 736
 737                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 738                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 739                                 if (act) {
 740                                         act->set_sensitive (false);
 741                                 }
 742                         }
 743
 744                 }
 745                 else {
 746                         delete nsm;
 747                         nsm = 0;
 748                 }
 749         }
 750
 751         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 752                 exit (1);
 753         }
 754
 755         use_config ();
 756
 757         goto_editor_window ();
 758
 759         WM::Manager::instance().show_visible ();
 760
 761         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 762          * editor window, and we may want stuff to be hidden.
 763          */
 764         _status_bar_visibility.update ();
 765
 766         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 767 }
 768
 769 void
 770 ARDOUR_UI::no_memory_warning ()
 771 {
 772         XMLNode node (X_("no-memory-warning"));
 773         Config->add_instant_xml (node);
 774 }
 775
 776 void
 777 ARDOUR_UI::check_memory_locking ()
 778 {
 779 #ifdef __APPLE__
 780         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 781         return;
 782 #else // !__APPLE__
 783
 784         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 785
 786         if (engine->is_realtime() && memory_warning_node == 0) {
 787
 788                 struct rlimit limits;
 789                 int64_t ram;
 790                 long pages, page_size;
 791 #ifdef __FreeBSD__
 792                 size_t pages_len=sizeof(pages);
 793                 if ((page_size = getpagesize()) < 0 ||
 794                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 795 #else
 796                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 797 #endif
 798                 {
 799                         ram = 0;
 800                 } else {
 801                         ram = (int64_t) pages * (int64_t) page_size;
 802                 }
 803
 804                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 805                         return;
 806                 }
 807
 808                 if (limits.rlim_cur != RLIM_INFINITY) {
 809
 810                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 811
 812                                 MessageDialog msg (
 813                                         string_compose (
 814                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 815                                                   "This might cause %1 to run out of memory before your system "
 816                                                   "runs out of memory. \n\n"
 817                                                   "You can view the memory limit with 'ulimit -l', "
 818                                                   "and it is normally controlled by %2"),
 819                                                 PROGRAM_NAME,
 820 #ifdef __FreeBSD__
 821                                                 X_("/etc/login.conf")
 822 #else
 823                                                 X_(" /etc/security/limits.conf")
 824 #endif
 825                                         ).c_str());
 826
 827                                 msg.set_default_response (RESPONSE_OK);
 828
 829                                 VBox* vbox = msg.get_vbox();
 830                                 HBox hbox;
 831                                 CheckButton cb (_("Do not show this window again"));
 832
 833                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 834
 835                                 hbox.pack_start (cb, true, false);
 836                                 vbox->pack_start (hbox);
 837                                 cb.show();
 838                                 vbox->show();
 839                                 hbox.show ();
 840
 841                                 pop_back_splash (msg);
 842
 843                                 editor->ensure_float (msg);
 844                                 msg.run ();
 845                         }
 846                 }
 847         }
 848 #endif // !__APPLE__
 849 }
 850
 851
 852 void
 853 ARDOUR_UI::queue_finish ()
 854 {
 855         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 856 }
 857
 858 bool
 859 ARDOUR_UI::idle_finish ()
 860 {
 861         finish ();
 862         return false; /* do not call again */
 863 }
 864
 865 void
 866 ARDOUR_UI::finish()
 867 {
 868         if (_session) {
 869                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 870
 871                 if (_session->dirty()) {
 872                         vector<string> actions;
 873                         actions.push_back (_("Don't quit"));
 874                         actions.push_back (_("Just quit"));
 875                         actions.push_back (_("Save and quit"));
 876                         switch (ask_about_saving_session(actions)) {
 877                         case -1:
 878                                 return;
 879                                 break;
 880                         case 1:
 881                                 /* use the default name */
 882                                 if (save_state_canfail ("")) {
 883                                         /* failed - don't quit */
 884                                         MessageDialog msg (*editor,
 885                                                            string_compose (_("\
 886 %1 was unable to save your session.\n\n\
 887 If you still wish to quit, please use the\n\n\
 888 \"Just quit\" option."), PROGRAM_NAME));
 889                                         pop_back_splash(msg);
 890                                         msg.run ();
 891                                         return;
 892                                 }
 893                                 break;
 894                         case 0:
 895                                 break;
 896                         }
 897                 }
 898
 899                 second_connection.disconnect ();
 900                 point_one_second_connection.disconnect ();
 901                 point_oh_five_second_connection.disconnect ();
 902                 point_zero_one_second_connection.disconnect();
 903         }
 904
 905         delete ARDOUR_UI::instance()->video_timeline;
 906         ARDOUR_UI::instance()->video_timeline = NULL;
 907         stop_video_server();
 908
 909         /* Save state before deleting the session, as that causes some
 910            windows to be destroyed before their visible state can be
 911            saved.
 912         */
 913         save_ardour_state ();
 914
 915         close_all_dialogs ();
 916
 917         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 918
 919         if (_session) {
 920                 // _session->set_deletion_in_progress ();
 921                 _session->set_clean ();
 922                 _session->remove_pending_capture_state ();
 923                 delete _session;
 924                 _session = 0;
 925         }
 926
 927         engine->stop (true);
 928         quit ();
 929 }
 930
 931 int
 932 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 933 {
 934         ArdourDialog window (_("Unsaved Session"));
 935         Gtk::HBox dhbox;  // the hbox for the image and text
 936         Gtk::Label  prompt_label;
 937         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 938
 939         string msg;
 940
 941         assert (actions.size() >= 3);
 942
 943         window.add_button (actions[0], RESPONSE_REJECT);
 944         window.add_button (actions[1], RESPONSE_APPLY);
 945         window.add_button (actions[2], RESPONSE_ACCEPT);
 946
 947         window.set_default_response (RESPONSE_ACCEPT);
 948
 949         Gtk::Button noquit_button (msg);
 950         noquit_button.set_name ("EditorGTKButton");
 951
 952         string prompt;
 953
 954         if (_session->snap_name() == _session->name()) {
 955                 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?"),
 956                                         _session->snap_name());
 957         } else {
 958                 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?"),
 959                                         _session->snap_name());
 960         }
 961
 962         prompt_label.set_text (prompt);
 963         prompt_label.set_name (X_("PrompterLabel"));
 964         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 965
 966         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 967         dhbox.set_homogeneous (false);
 968         dhbox.pack_start (*dimage, false, false, 5);
 969         dhbox.pack_start (prompt_label, true, false, 5);
 970         window.get_vbox()->pack_start (dhbox);
 971
 972         window.set_name (_("Prompter"));
 973         window.set_modal (true);
 974         window.set_resizable (false);
 975
 976         dhbox.show();
 977         prompt_label.show();
 978         dimage->show();
 979         window.show();
 980         window.set_keep_above (true);
 981         window.present ();
 982
 983         ResponseType r = (ResponseType) window.run();
 984
 985         window.hide ();
 986
 987         switch (r) {
 988         case RESPONSE_ACCEPT: // save and get out of here
 989                 return 1;
 990         case RESPONSE_APPLY:  // get out of here
 991                 return 0;
 992         default:
 993                 break;
 994         }
 995
 996         return -1;
 997 }
 998
 999
1000 gint
1001 ARDOUR_UI::every_second ()
1002 {
1003         update_cpu_load ();
1004         update_buffer_load ();
1005         update_disk_space ();
1006         update_timecode_format ();
1007
1008         if (nsm && nsm->is_active ()) {
1009                 nsm->check ();
1010
1011                 if (!_was_dirty && _session->dirty ()) {
1012                         nsm->is_dirty ();
1013                         _was_dirty = true;
1014                 }
1015                 else if (_was_dirty && !_session->dirty ()){
1016                         nsm->is_clean ();
1017                         _was_dirty = false;
1018                 }
1019         }
1020         return TRUE;
1021 }
1022
1023 gint
1024 ARDOUR_UI::every_point_one_seconds ()
1025 {
1026         shuttle_box->update_speed_display ();
1027         RapidScreenUpdate(); /* EMIT_SIGNAL */
1028         return TRUE;
1029 }
1030
1031 gint
1032 ARDOUR_UI::every_point_zero_one_seconds ()
1033 {
1034         // august 2007: actual update frequency: 40Hz, not 100Hz
1035
1036         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1037         return TRUE;
1038 }
1039
1040 void
1041 ARDOUR_UI::update_sample_rate (framecnt_t)
1042 {
1043         char buf[64];
1044
1045         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1046
1047         if (!engine->connected()) {
1048
1049                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1050
1051         } else {
1052
1053                 framecnt_t rate = engine->frame_rate();
1054
1055                 if (fmod (rate, 1000.0) != 0.0) {
1056                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1057                                   (float) rate/1000.0f,
1058                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1059                 } else {
1060                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1061                                   rate/1000,
1062                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1063                 }
1064         }
1065
1066         sample_rate_label.set_markup (buf);
1067 }
1068
1069 void
1070 ARDOUR_UI::update_format ()
1071 {
1072         if (!_session) {
1073                 format_label.set_text ("");
1074                 return;
1075         }
1076
1077         stringstream s;
1078         s << _("File:") << X_(" <span foreground=\"green\">");
1079
1080         switch (_session->config.get_native_file_header_format ()) {
1081         case BWF:
1082                 s << _("BWF");
1083                 break;
1084         case WAVE:
1085                 s << _("WAV");
1086                 break;
1087         case WAVE64:
1088                 s << _("WAV64");
1089                 break;
1090         case CAF:
1091                 s << _("CAF");
1092                 break;
1093         case AIFF:
1094                 s << _("AIFF");
1095                 break;
1096         case iXML:
1097                 s << _("iXML");
1098                 break;
1099         case RF64:
1100                 s << _("RF64");
1101                 break;
1102         }
1103
1104         s << " ";
1105
1106         switch (_session->config.get_native_file_data_format ()) {
1107         case FormatFloat:
1108                 s << _("32-float");
1109                 break;
1110         case FormatInt24:
1111                 s << _("24-int");
1112                 break;
1113         case FormatInt16:
1114                 s << _("16-int");
1115                 break;
1116         }
1117
1118         s << X_("</span>");
1119
1120         format_label.set_markup (s.str ());
1121 }
1122
1123 void
1124 ARDOUR_UI::update_cpu_load ()
1125 {
1126         char buf[64];
1127
1128         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1129            should also be changed.
1130         */
1131
1132         float const c = engine->get_cpu_load ();
1133         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1134         cpu_load_label.set_markup (buf);
1135 }
1136
1137 void
1138 ARDOUR_UI::update_buffer_load ()
1139 {
1140         char buf[256];
1141
1142         uint32_t const playback = _session ? _session->playback_load () : 100;
1143         uint32_t const capture = _session ? _session->capture_load () : 100;
1144
1145         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1146            should also be changed.
1147         */
1148
1149         if (_session) {
1150                 snprintf (
1151                         buf, sizeof (buf),
1152                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1153                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1154                         playback <= 5 ? X_("red") : X_("green"),
1155                         playback,
1156                         capture <= 5 ? X_("red") : X_("green"),
1157                         capture
1158                         );
1159
1160                 buffer_load_label.set_markup (buf);
1161         } else {
1162                 buffer_load_label.set_text ("");
1163         }
1164 }
1165
1166 void
1167 ARDOUR_UI::count_recenabled_streams (Route& route)
1168 {
1169         Track* track = dynamic_cast<Track*>(&route);
1170         if (track && track->record_enabled()) {
1171                 rec_enabled_streams += track->n_inputs().n_total();
1172         }
1173 }
1174
1175 void
1176 ARDOUR_UI::update_disk_space()
1177 {
1178         if (_session == 0) {
1179                 return;
1180         }
1181
1182         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1183         char buf[64];
1184         framecnt_t fr = _session->frame_rate();
1185
1186         if (!opt_frames) {
1187                 /* Available space is unknown */
1188                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1189         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1190                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1191         } else {
1192                 rec_enabled_streams = 0;
1193                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1194
1195                 framecnt_t frames = opt_frames.get_value_or (0);
1196
1197                 if (rec_enabled_streams) {
1198                         frames /= rec_enabled_streams;
1199                 }
1200
1201                 int hrs;
1202                 int mins;
1203                 int secs;
1204
1205                 hrs  = frames / (fr * 3600);
1206
1207                 if (hrs > 24) {
1208                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1209                 } else {
1210                         frames -= hrs * fr * 3600;
1211                         mins = frames / (fr * 60);
1212                         frames -= mins * fr * 60;
1213                         secs = frames / fr;
1214
1215                         bool const low = (hrs == 0 && mins <= 30);
1216
1217                         snprintf (
1218                                 buf, sizeof(buf),
1219                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1220                                 low ? X_("red") : X_("green"),
1221                                 hrs, mins, secs
1222                                 );
1223                 }
1224         }
1225
1226         disk_space_label.set_markup (buf);
1227 }
1228
1229 void
1230 ARDOUR_UI::update_timecode_format ()
1231 {
1232         char buf[64];
1233
1234         if (_session) {
1235                 bool matching;
1236                 TimecodeSlave* tcslave;
1237                 SyncSource sync_src = Config->get_sync_source();
1238
1239                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1240                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1241                 } else {
1242                         matching = true;
1243                 }
1244
1245                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1246                           matching ? X_("green") : X_("red"),
1247                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1248         } else {
1249                 snprintf (buf, sizeof (buf), "TC: n/a");
1250         }
1251
1252         timecode_format_label.set_markup (buf);
1253 }
1254
1255 gint
1256 ARDOUR_UI::update_wall_clock ()
1257 {
1258         time_t now;
1259         struct tm *tm_now;
1260         static int last_min = -1;
1261
1262         time (&now);
1263         tm_now = localtime (&now);
1264         if (last_min != tm_now->tm_min) {
1265                 char buf[16];
1266                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1267                 wall_clock_label.set_text (buf);
1268                 last_min = tm_now->tm_min;
1269         }
1270
1271         return TRUE;
1272 }
1273
1274 void
1275 ARDOUR_UI::redisplay_recent_sessions ()
1276 {
1277         std::vector<std::string> session_directories;
1278         RecentSessionsSorter cmp;
1279
1280         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1281         recent_session_model->clear ();
1282
1283         ARDOUR::RecentSessions rs;
1284         ARDOUR::read_recent_sessions (rs);
1285
1286         if (rs.empty()) {
1287                 recent_session_display.set_model (recent_session_model);
1288                 return;
1289         }
1290
1291         // sort them alphabetically
1292         sort (rs.begin(), rs.end(), cmp);
1293
1294         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1295                 session_directories.push_back ((*i).second);
1296         }
1297
1298         for (vector<std::string>::const_iterator i = session_directories.begin();
1299                         i != session_directories.end(); ++i)
1300         {
1301                 std::vector<std::string> state_file_paths;
1302
1303                 // now get available states for this session
1304
1305                 get_state_files_in_directory (*i, state_file_paths);
1306
1307                 vector<string*>* states;
1308                 vector<const gchar*> item;
1309                 string fullpath = *i;
1310
1311                 /* remove any trailing / */
1312
1313                 if (fullpath[fullpath.length() - 1] == '/') {
1314                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1315                 }
1316
1317                 /* check whether session still exists */
1318                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1319                         /* session doesn't exist */
1320                         continue;
1321                 }
1322
1323                 /* now get available states for this session */
1324
1325                 if ((states = Session::possible_states (fullpath)) == 0) {
1326                         /* no state file? */
1327                         continue;
1328                 }
1329
1330                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1331
1332                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1333
1334                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1335                 row[recent_session_columns.fullpath] = fullpath;
1336                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1337
1338                 if (state_file_names.size() > 1) {
1339
1340                         // add the children
1341
1342                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1343                                         i2 != state_file_names.end(); ++i2)
1344                         {
1345
1346                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1347
1348                                 child_row[recent_session_columns.visible_name] = *i2;
1349                                 child_row[recent_session_columns.fullpath] = fullpath;
1350                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1351                         }
1352                 }
1353         }
1354
1355         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1356         recent_session_display.set_model (recent_session_model);
1357 }
1358
1359 void
1360 ARDOUR_UI::build_session_selector ()
1361 {
1362         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1363
1364         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1365
1366         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1367         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1368         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1369         recent_session_model = TreeStore::create (recent_session_columns);
1370         recent_session_display.set_model (recent_session_model);
1371         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1372         recent_session_display.set_headers_visible (false);
1373         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1374         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1375
1376         scroller->add (recent_session_display);
1377         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1378
1379         session_selector_window->set_name ("SessionSelectorWindow");
1380         session_selector_window->set_size_request (200, 400);
1381         session_selector_window->get_vbox()->pack_start (*scroller);
1382
1383         recent_session_display.show();
1384         scroller->show();
1385 }
1386
1387 void
1388 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1389 {
1390         session_selector_window->response (RESPONSE_ACCEPT);
1391 }
1392
1393 void
1394 ARDOUR_UI::open_recent_session ()
1395 {
1396         bool can_return = (_session != 0);
1397
1398         if (session_selector_window == 0) {
1399                 build_session_selector ();
1400         }
1401
1402         redisplay_recent_sessions ();
1403
1404         while (true) {
1405
1406                 ResponseType r = (ResponseType) session_selector_window->run ();
1407
1408                 switch (r) {
1409                 case RESPONSE_ACCEPT:
1410                         break;
1411                 default:
1412                         if (can_return) {
1413                                 session_selector_window->hide();
1414                                 return;
1415                         } else {
1416                                 exit (1);
1417                         }
1418                 }
1419
1420                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1421                         continue;
1422                 }
1423
1424                 session_selector_window->hide();
1425
1426                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1427
1428                 if (i == recent_session_model->children().end()) {
1429                         return;
1430                 }
1431
1432                 std::string path = (*i)[recent_session_columns.fullpath];
1433                 std::string state = (*i)[recent_session_columns.visible_name];
1434
1435                 _session_is_new = false;
1436
1437                 if (load_session (path, state) == 0) {
1438                         break;
1439                 }
1440
1441                 can_return = false;
1442         }
1443 }
1444
1445 bool
1446 ARDOUR_UI::check_audioengine ()
1447 {
1448         if (engine) {
1449                 if (!engine->connected()) {
1450                         MessageDialog msg (string_compose (
1451                                                    _("%1 is not connected to JACK\n"
1452                                                      "You cannot open or close sessions in this condition"),
1453                                                    PROGRAM_NAME));
1454                         pop_back_splash (msg);
1455                         msg.run ();
1456                         return false;
1457                 }
1458                 return true;
1459         } else {
1460                 return false;
1461         }
1462 }
1463
1464 void
1465 ARDOUR_UI::open_session ()
1466 {
1467         if (!check_audioengine()) {
1468                 return;
1469
1470         }
1471
1472         /* popup selector window */
1473
1474         if (open_session_selector == 0) {
1475
1476                 /* ardour sessions are folders */
1477
1478                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1479                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1480                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1481                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1482
1483                 if (_session) {
1484                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1485                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1486                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1487                         open_session_selector->set_current_folder(session_parent_dir);
1488                 } else {
1489                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1490                 }
1491
1492                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1493
1494                 FileFilter session_filter;
1495                 session_filter.add_pattern ("*.ardour");
1496                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1497                 open_session_selector->add_filter (session_filter);
1498                 open_session_selector->set_filter (session_filter);
1499         }
1500
1501         int response = open_session_selector->run();
1502         open_session_selector->hide ();
1503
1504         switch (response) {
1505         case RESPONSE_ACCEPT:
1506                 break;
1507         default:
1508                 open_session_selector->hide();
1509                 return;
1510         }
1511
1512         open_session_selector->hide();
1513         string session_path = open_session_selector->get_filename();
1514         string path, name;
1515         bool isnew;
1516
1517         if (session_path.length() > 0) {
1518                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1519                         _session_is_new = isnew;
1520                         load_session (path, name);
1521                 }
1522         }
1523 }
1524
1525
1526 void
1527 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1528                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1529 {
1530         list<boost::shared_ptr<MidiTrack> > tracks;
1531
1532         if (_session == 0) {
1533                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1534                 return;
1535         }
1536
1537         try {
1538                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1539
1540                 if (tracks.size() != how_many) {
1541                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1542                 }
1543         }
1544
1545         catch (...) {
1546                 MessageDialog msg (*editor,
1547                                    string_compose (_("There are insufficient JACK ports available\n\
1548 to create a new track or bus.\n\
1549 You should save %1, exit and\n\
1550 restart JACK with more ports."), PROGRAM_NAME));
1551                 msg.run ();
1552         }
1553 }
1554
1555
1556 void
1557 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1558 {
1559         ChanCount one_midi_channel;
1560         one_midi_channel.set (DataType::MIDI, 1);
1561
1562         if (disk) {
1563                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1564         }
1565 }
1566
1567 void
1568 ARDOUR_UI::session_add_audio_route (
1569         bool track,
1570         int32_t input_channels,
1571         int32_t output_channels,
1572         ARDOUR::TrackMode mode,
1573         RouteGroup* route_group,
1574         uint32_t how_many,
1575         string const & name_template
1576         )
1577 {
1578         list<boost::shared_ptr<AudioTrack> > tracks;
1579         RouteList routes;
1580
1581         if (_session == 0) {
1582                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1583                 return;
1584         }
1585
1586         try {
1587                 if (track) {
1588                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1589
1590                         if (tracks.size() != how_many) {
1591                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1592                                       << endmsg;
1593                         }
1594
1595                 } else {
1596
1597                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1598
1599                         if (routes.size() != how_many) {
1600                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1601                                       << endmsg;
1602                         }
1603                 }
1604         }
1605
1606         catch (...) {
1607                 MessageDialog msg (*editor,
1608                                    string_compose (_("There are insufficient JACK ports available\n\
1609 to create a new track or bus.\n\
1610 You should save %1, exit and\n\
1611 restart JACK with more ports."), PROGRAM_NAME));
1612                 pop_back_splash (msg);
1613                 msg.run ();
1614         }
1615 }
1616
1617 void
1618 ARDOUR_UI::transport_goto_start ()
1619 {
1620         if (_session) {
1621                 _session->goto_start();
1622
1623                 /* force displayed area in editor to start no matter
1624                    what "follow playhead" setting is.
1625                 */
1626
1627                 if (editor) {
1628                         editor->center_screen (_session->current_start_frame ());
1629                 }
1630         }
1631 }
1632
1633 void
1634 ARDOUR_UI::transport_goto_zero ()
1635 {
1636         if (_session) {
1637                 _session->request_locate (0);
1638
1639                 /* force displayed area in editor to start no matter
1640                    what "follow playhead" setting is.
1641                 */
1642
1643                 if (editor) {
1644                         editor->reset_x_origin (0);
1645                 }
1646         }
1647 }
1648
1649 void
1650 ARDOUR_UI::transport_goto_wallclock ()
1651 {
1652         if (_session && editor) {
1653
1654                 time_t now;
1655                 struct tm tmnow;
1656                 framepos_t frames;
1657
1658                 time (&now);
1659                 localtime_r (&now, &tmnow);
1660
1661                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1662                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1663                 frames += tmnow.tm_sec * _session->frame_rate();
1664
1665                 _session->request_locate (frames, _session->transport_rolling ());
1666
1667                 /* force displayed area in editor to start no matter
1668                    what "follow playhead" setting is.
1669                 */
1670
1671                 if (editor) {
1672                         editor->center_screen (frames);
1673                 }
1674         }
1675 }
1676
1677 void
1678 ARDOUR_UI::transport_goto_end ()
1679 {
1680         if (_session) {
1681                 framepos_t const frame = _session->current_end_frame();
1682                 _session->request_locate (frame);
1683
1684                 /* force displayed area in editor to start no matter
1685                    what "follow playhead" setting is.
1686                 */
1687
1688                 if (editor) {
1689                         editor->center_screen (frame);
1690                 }
1691         }
1692 }
1693
1694 void
1695 ARDOUR_UI::transport_stop ()
1696 {
1697         if (!_session) {
1698                 return;
1699         }
1700
1701         if (_session->is_auditioning()) {
1702                 _session->cancel_audition ();
1703                 return;
1704         }
1705
1706         _session->request_stop (false, true);
1707 }
1708
1709 void
1710 ARDOUR_UI::transport_record (bool roll)
1711 {
1712
1713         if (_session) {
1714                 switch (_session->record_status()) {
1715                 case Session::Disabled:
1716                         if (_session->ntracks() == 0) {
1717                                 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."));
1718                                 msg.run ();
1719                                 return;
1720                         }
1721                         _session->maybe_enable_record ();
1722                         if (roll) {
1723                                 transport_roll ();
1724                         }
1725                         break;
1726                 case Session::Recording:
1727                         if (roll) {
1728                                 _session->request_stop();
1729                         } else {
1730                                 _session->disable_record (false, true);
1731                         }
1732                         break;
1733
1734                 case Session::Enabled:
1735                         _session->disable_record (false, true);
1736                 }
1737         }
1738 }
1739
1740 void
1741 ARDOUR_UI::transport_roll ()
1742 {
1743         if (!_session) {
1744                 return;
1745         }
1746
1747         if (_session->is_auditioning()) {
1748                 return;
1749         }
1750
1751 #if 0
1752         if (_session->config.get_external_sync()) {
1753                 switch (Config->get_sync_source()) {
1754                 case JACK:
1755                         break;
1756                 default:
1757                         /* transport controlled by the master */
1758                         return;
1759                 }
1760         }
1761 #endif
1762
1763         bool rolling = _session->transport_rolling();
1764
1765         if (_session->get_play_loop()) {
1766                 /* XXX it is not possible to just leave seamless loop and keep
1767                    playing at present (nov 4th 2009)
1768                 */
1769                 if (!Config->get_seamless_loop()) {
1770                         _session->request_play_loop (false, true);
1771                 }
1772         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1773                 /* stop playing a range if we currently are */
1774                 _session->request_play_range (0, true);
1775         }
1776
1777         if (!rolling) {
1778                 _session->request_transport_speed (1.0f);
1779         }
1780 }
1781
1782 bool
1783 ARDOUR_UI::get_smart_mode() const
1784 {
1785         return ( editor->get_smart_mode() );
1786 }
1787
1788
1789 void
1790 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1791 {
1792
1793         if (!_session) {
1794                 return;
1795         }
1796
1797         if (_session->is_auditioning()) {
1798                 _session->cancel_audition ();
1799                 return;
1800         }
1801
1802         if (_session->config.get_external_sync()) {
1803                 switch (Config->get_sync_source()) {
1804                 case JACK:
1805                         break;
1806                 default:
1807                         /* transport controlled by the master */
1808                         return;
1809                 }
1810         }
1811
1812         bool rolling = _session->transport_rolling();
1813         bool affect_transport = true;
1814
1815         if (rolling && roll_out_of_bounded_mode) {
1816                 /* drop out of loop/range playback but leave transport rolling */
1817                 if (_session->get_play_loop()) {
1818                         if (Config->get_seamless_loop()) {
1819                                 /* the disk buffers contain copies of the loop - we can't
1820                                    just keep playing, so stop the transport. the user
1821                                    can restart as they wish.
1822                                 */
1823                                 affect_transport = true;
1824                         } else {
1825                                 /* disk buffers are normal, so we can keep playing */
1826                                 affect_transport = false;
1827                         }
1828                         _session->request_play_loop (false, true);
1829                 } else if (_session->get_play_range ()) {
1830                         affect_transport = false;
1831                         _session->request_play_range (0, true);
1832                 }
1833         }
1834
1835         if (affect_transport) {
1836                 if (rolling) {
1837                         _session->request_stop (with_abort, true);
1838                 } else {
1839                         if ( Config->get_always_play_range() ) {
1840                                 _session->request_play_range (&editor->get_selection().time, true);
1841                         }
1842
1843                         _session->request_transport_speed (1.0f);
1844                 }
1845         }
1846 }
1847
1848 void
1849 ARDOUR_UI::toggle_session_auto_loop ()
1850 {
1851         Location * looploc = _session->locations()->auto_loop_location();
1852
1853         if (!_session || !looploc) {
1854                 return;
1855         }
1856
1857         if (_session->get_play_loop()) {
1858
1859                 if (_session->transport_rolling()) {
1860
1861                         _session->request_locate (looploc->start(), true);
1862                         _session->request_play_loop (false);
1863
1864                 } else {
1865                         _session->request_play_loop (false);
1866                 }
1867         } else {
1868                 _session->request_play_loop (true);
1869         }
1870
1871         //show the loop markers
1872         looploc->set_hidden (false, this);
1873 }
1874
1875 void
1876 ARDOUR_UI::transport_play_selection ()
1877 {
1878         if (!_session) {
1879                 return;
1880         }
1881
1882         editor->play_selection ();
1883 }
1884
1885 void
1886 ARDOUR_UI::transport_play_preroll ()
1887 {
1888         if (!_session) {
1889                 return;
1890         }
1891         editor->play_with_preroll ();
1892 }
1893
1894 void
1895 ARDOUR_UI::transport_rewind (int option)
1896 {
1897         float current_transport_speed;
1898
1899         if (_session) {
1900                 current_transport_speed = _session->transport_speed();
1901
1902                 if (current_transport_speed >= 0.0f) {
1903                         switch (option) {
1904                         case 0:
1905                                 _session->request_transport_speed (-1.0f);
1906                                 break;
1907                         case 1:
1908                                 _session->request_transport_speed (-4.0f);
1909                                 break;
1910                         case -1:
1911                                 _session->request_transport_speed (-0.5f);
1912                                 break;
1913                         }
1914                 } else {
1915                         /* speed up */
1916                         _session->request_transport_speed (current_transport_speed * 1.5f);
1917                 }
1918         }
1919 }
1920
1921 void
1922 ARDOUR_UI::transport_forward (int option)
1923 {
1924         if (!_session) {
1925                 return;
1926         }
1927
1928         float current_transport_speed = _session->transport_speed();
1929
1930         if (current_transport_speed <= 0.0f) {
1931                 switch (option) {
1932                 case 0:
1933                         _session->request_transport_speed (1.0f);
1934                         break;
1935                 case 1:
1936                         _session->request_transport_speed (4.0f);
1937                         break;
1938                 case -1:
1939                         _session->request_transport_speed (0.5f);
1940                         break;
1941                 }
1942         } else {
1943                 /* speed up */
1944                 _session->request_transport_speed (current_transport_speed * 1.5f);
1945         }
1946 }
1947
1948 void
1949 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1950 {
1951         if (!_session) {
1952                 return;
1953         }
1954
1955         boost::shared_ptr<Route> r;
1956
1957         if ((r = _session->route_by_remote_id (rid)) != 0) {
1958
1959                 Track* t;
1960
1961                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1962                         t->set_record_enabled (!t->record_enabled(), this);
1963                 }
1964         }
1965 }
1966
1967 void
1968 ARDOUR_UI::map_transport_state ()
1969 {
1970         if (!_session) {
1971                 auto_loop_button.unset_active_state ();
1972                 play_selection_button.unset_active_state ();
1973                 roll_button.unset_active_state ();
1974                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1975                 return;
1976         }
1977
1978         shuttle_box->map_transport_state ();
1979
1980         float sp = _session->transport_speed();
1981
1982         if (sp != 0.0f) {
1983
1984                 /* we're rolling */
1985
1986                 if (_session->get_play_range()) {
1987
1988                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1989                         roll_button.unset_active_state ();
1990                         auto_loop_button.unset_active_state ();
1991
1992                 } else if (_session->get_play_loop ()) {
1993
1994                         auto_loop_button.set_active (true);
1995                         play_selection_button.set_active (false);
1996                         roll_button.set_active (false);
1997
1998                 } else {
1999
2000                         roll_button.set_active (true);
2001                         play_selection_button.set_active (false);
2002                         auto_loop_button.set_active (false);
2003                 }
2004
2005                 if (Config->get_always_play_range()) {
2006                         /* light up both roll and play-selection if they are joined */
2007                         roll_button.set_active (true);
2008                         play_selection_button.set_active (true);
2009                 }
2010
2011                 stop_button.set_active (false);
2012
2013         } else {
2014
2015                 stop_button.set_active (true);
2016                 roll_button.set_active (false);
2017                 play_selection_button.set_active (false);
2018                 auto_loop_button.set_active (false);
2019                 update_disk_space ();
2020         }
2021 }
2022
2023 void
2024 ARDOUR_UI::engine_stopped ()
2025 {
2026         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2027         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2028         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2029 }
2030
2031 void
2032 ARDOUR_UI::engine_running ()
2033 {
2034         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2035         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2036         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2037
2038         Glib::RefPtr<Action> action;
2039         const char* action_name = 0;
2040
2041         switch (engine->frames_per_cycle()) {
2042         case 32:
2043                 action_name = X_("JACKLatency32");
2044                 break;
2045         case 64:
2046                 action_name = X_("JACKLatency64");
2047                 break;
2048         case 128:
2049                 action_name = X_("JACKLatency128");
2050                 break;
2051         case 512:
2052                 action_name = X_("JACKLatency512");
2053                 break;
2054         case 1024:
2055                 action_name = X_("JACKLatency1024");
2056                 break;
2057         case 2048:
2058                 action_name = X_("JACKLatency2048");
2059                 break;
2060         case 4096:
2061                 action_name = X_("JACKLatency4096");
2062                 break;
2063         case 8192:
2064                 action_name = X_("JACKLatency8192");
2065                 break;
2066         default:
2067                 /* XXX can we do anything useful ? */
2068                 break;
2069         }
2070
2071         if (action_name) {
2072
2073                 action = ActionManager::get_action (X_("JACK"), action_name);
2074
2075                 if (action) {
2076                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2077                         ract->set_active ();
2078                 }
2079         }
2080 }
2081
2082 void
2083 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2084 {
2085         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2086                 /* we can't rely on the original string continuing to exist when we are called
2087                    again in the GUI thread, so make a copy and note that we need to
2088                    free it later.
2089                 */
2090                 char *copy = strdup (reason);
2091                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2092                 return;
2093         }
2094
2095         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2096         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2097
2098         update_sample_rate (0);
2099
2100         string msgstr;
2101
2102         /* if the reason is a non-empty string, it means that the backend was shutdown
2103            rather than just Ardour.
2104         */
2105
2106         if (strlen (reason)) {
2107                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2108         } else {
2109                 msgstr = string_compose (_("\
2110 JACK has either been shutdown or it\n\
2111 disconnected %1 because %1\n\
2112 was not fast enough. Try to restart\n\
2113 JACK, reconnect and save the session."), PROGRAM_NAME);
2114         }
2115
2116         MessageDialog msg (*editor, msgstr);
2117         pop_back_splash (msg);
2118         msg.set_keep_above (true);
2119         msg.run ();
2120
2121         if (free_reason) {
2122                 free (const_cast<char*> (reason));
2123         }
2124 }
2125
2126 int32_t
2127 ARDOUR_UI::do_engine_start ()
2128 {
2129         try {
2130                 engine->start();
2131         }
2132
2133         catch (...) {
2134                 engine->stop ();
2135                 error << _("Unable to start the session running")
2136                       << endmsg;
2137                 unload_session ();
2138                 return -2;
2139         }
2140
2141         return 0;
2142 }
2143
2144 void
2145 ARDOUR_UI::update_clocks ()
2146 {
2147         if (!editor || !editor->dragging_playhead()) {
2148                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2149         }
2150 }
2151
2152 void
2153 ARDOUR_UI::start_clocking ()
2154 {
2155         if (Config->get_super_rapid_clock_update()) {
2156                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2157         } else {
2158                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2159         }
2160 }
2161
2162 void
2163 ARDOUR_UI::stop_clocking ()
2164 {
2165         clock_signal_connection.disconnect ();
2166 }
2167
2168 gint
2169 ARDOUR_UI::_blink (void *arg)
2170 {
2171         ((ARDOUR_UI *) arg)->blink ();
2172         return TRUE;
2173 }
2174
2175 void
2176 ARDOUR_UI::blink ()
2177 {
2178         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2179 }
2180
2181 void
2182 ARDOUR_UI::start_blinking ()
2183 {
2184         /* Start the blink signal. Everybody with a blinking widget
2185            uses Blink to drive the widget's state.
2186         */
2187
2188         if (blink_timeout_tag < 0) {
2189                 blink_on = false;
2190                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2191         }
2192 }
2193
2194 void
2195 ARDOUR_UI::stop_blinking ()
2196 {
2197         if (blink_timeout_tag >= 0) {
2198                 g_source_remove (blink_timeout_tag);
2199                 blink_timeout_tag = -1;
2200         }
2201 }
2202
2203
2204 /** Ask the user for the name of a new snapshot and then take it.
2205  */
2206
2207 void
2208 ARDOUR_UI::snapshot_session (bool switch_to_it)
2209 {
2210         ArdourPrompter prompter (true);
2211         string snapname;
2212
2213         prompter.set_name ("Prompter");
2214         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2215         prompter.set_title (_("Take Snapshot"));
2216         prompter.set_prompt (_("Name of new snapshot"));
2217
2218         if (!switch_to_it) {
2219                 char timebuf[128];
2220                 time_t n;
2221                 struct tm local_time;
2222
2223                 time (&n);
2224                 localtime_r (&n, &local_time);
2225                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2226                 prompter.set_initial_text (timebuf);
2227         }
2228
2229   again:
2230         switch (prompter.run()) {
2231         case RESPONSE_ACCEPT:
2232         {
2233                 prompter.get_result (snapname);
2234
2235                 bool do_save = (snapname.length() != 0);
2236
2237                 if (do_save) {
2238                         char illegal = Session::session_name_is_legal(snapname);
2239                         if (illegal) {
2240                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2241                                                      "snapshot names may not contain a '%1' character"), illegal));
2242                                 msg.run ();
2243                                 goto again;
2244                         }
2245                 }
2246
2247                 vector<std::string> p;
2248                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2249                 vector<string> n = get_file_names_no_extension (p);
2250                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2251
2252                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2253                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2254                         confirm.get_vbox()->pack_start (m, true, true);
2255                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2256                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2257                         confirm.show_all ();
2258                         switch (confirm.run()) {
2259                         case RESPONSE_CANCEL:
2260                                 do_save = false;
2261                         }
2262                 }
2263
2264                 if (do_save) {
2265                         save_state (snapname, switch_to_it);
2266                 }
2267                 break;
2268         }
2269
2270         default:
2271                 break;
2272         }
2273 }
2274
2275 /** Ask the user for a new session name and then rename the session to it.
2276  */
2277
2278 void
2279 ARDOUR_UI::rename_session ()
2280 {
2281         if (!_session) {
2282                 return;
2283         }
2284
2285         ArdourPrompter prompter (true);
2286         string name;
2287
2288         prompter.set_name ("Prompter");
2289         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2290         prompter.set_title (_("Rename Session"));
2291         prompter.set_prompt (_("New session name"));
2292
2293   again:
2294         switch (prompter.run()) {
2295         case RESPONSE_ACCEPT:
2296         {
2297                 prompter.get_result (name);
2298
2299                 bool do_rename = (name.length() != 0);
2300
2301                 if (do_rename) {
2302                         char illegal = Session::session_name_is_legal (name);
2303
2304                         if (illegal) {
2305                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2306                                                                      "session names may not contain a '%1' character"), illegal));
2307                                 msg.run ();
2308                                 goto again;
2309                         }
2310
2311                         switch (_session->rename (name)) {
2312                         case -1: {
2313                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2314                                 msg.set_position (WIN_POS_MOUSE);
2315                                 msg.run ();
2316                                 goto again;
2317                                 break;
2318                         }
2319                         case 0:
2320                                 break;
2321                         default: {
2322                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2323                                 msg.set_position (WIN_POS_MOUSE);
2324                                 msg.run ();
2325                                 break;
2326                         }
2327                         }
2328                 }
2329
2330                 break;
2331         }
2332
2333         default:
2334                 break;
2335         }
2336 }
2337
2338 void
2339 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2340 {
2341         XMLNode* node = new XMLNode (X_("UI"));
2342
2343         WM::Manager::instance().add_state (*node);
2344
2345         node->add_child_nocopy (gui_object_state->get_state());
2346
2347         _session->add_extra_xml (*node);
2348
2349         save_state_canfail (name, switch_to_it);
2350 }
2351
2352 int
2353 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2354 {
2355         if (_session) {
2356                 int ret;
2357
2358                 if (name.length() == 0) {
2359                         name = _session->snap_name();
2360                 }
2361
2362                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2363                         return ret;
2364                 }
2365         }
2366
2367         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2368         return 0;
2369 }
2370
2371 void
2372 ARDOUR_UI::primary_clock_value_changed ()
2373 {
2374         if (_session) {
2375                 _session->request_locate (primary_clock->current_time ());
2376         }
2377 }
2378
2379 void
2380 ARDOUR_UI::big_clock_value_changed ()
2381 {
2382         if (_session) {
2383                 _session->request_locate (big_clock->current_time ());
2384         }
2385 }
2386
2387 void
2388 ARDOUR_UI::secondary_clock_value_changed ()
2389 {
2390         if (_session) {
2391                 _session->request_locate (secondary_clock->current_time ());
2392         }
2393 }
2394
2395 void
2396 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2397 {
2398         if (_session == 0) {
2399                 return;
2400         }
2401
2402         if (_session->step_editing()) {
2403                 return;
2404         }
2405
2406         Session::RecordState const r = _session->record_status ();
2407         bool const h = _session->have_rec_enabled_track ();
2408
2409         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2410                 if (onoff) {
2411                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2412                 } else {
2413                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2414                 }
2415         } else if (r == Session::Recording && h) {
2416                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2417         } else {
2418                 rec_button.unset_active_state ();
2419         }
2420 }
2421
2422 void
2423 ARDOUR_UI::save_template ()
2424 {
2425         ArdourPrompter prompter (true);
2426         string name;
2427
2428         if (!check_audioengine()) {
2429                 return;
2430         }
2431
2432         prompter.set_name (X_("Prompter"));
2433         prompter.set_title (_("Save Template"));
2434         prompter.set_prompt (_("Name for template:"));
2435         prompter.set_initial_text(_session->name() + _("-template"));
2436         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2437
2438         switch (prompter.run()) {
2439         case RESPONSE_ACCEPT:
2440                 prompter.get_result (name);
2441
2442                 if (name.length()) {
2443                         _session->save_template (name);
2444                 }
2445                 break;
2446
2447         default:
2448                 break;
2449         }
2450 }
2451
2452 void
2453 ARDOUR_UI::edit_metadata ()
2454 {
2455         SessionMetadataEditor dialog;
2456         dialog.set_session (_session);
2457         editor->ensure_float (dialog);
2458         dialog.run ();
2459 }
2460
2461 void
2462 ARDOUR_UI::import_metadata ()
2463 {
2464         SessionMetadataImporter dialog;
2465         dialog.set_session (_session);
2466         editor->ensure_float (dialog);
2467         dialog.run ();
2468 }
2469
2470 bool
2471 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2472 {
2473         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2474
2475         MessageDialog msg (str,
2476                            false,
2477                            Gtk::MESSAGE_WARNING,
2478                            Gtk::BUTTONS_YES_NO,
2479                            true);
2480
2481
2482         msg.set_name (X_("OpenExistingDialog"));
2483         msg.set_title (_("Open Existing Session"));
2484         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2485         msg.set_position (Gtk::WIN_POS_MOUSE);
2486         pop_back_splash (msg);
2487
2488         switch (msg.run()) {
2489         case RESPONSE_YES:
2490                 return true;
2491                 break;
2492         }
2493         return false;
2494 }
2495
2496 int
2497 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2498 {
2499         BusProfile bus_profile;
2500
2501         if (nsm || Profile->get_sae()) {
2502
2503                 bus_profile.master_out_channels = 2;
2504                 bus_profile.input_ac = AutoConnectPhysical;
2505                 bus_profile.output_ac = AutoConnectMaster;
2506                 bus_profile.requested_physical_in = 0; // use all available
2507                 bus_profile.requested_physical_out = 0; // use all available
2508
2509         } else {
2510
2511                 /* get settings from advanced section of NSD */
2512
2513                 if (_startup->create_master_bus()) {
2514                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2515                 } else {
2516                         bus_profile.master_out_channels = 0;
2517                 }
2518
2519                 if (_startup->connect_inputs()) {
2520                         bus_profile.input_ac = AutoConnectPhysical;
2521                 } else {
2522                         bus_profile.input_ac = AutoConnectOption (0);
2523                 }
2524
2525                 bus_profile.output_ac = AutoConnectOption (0);
2526
2527                 if (_startup->connect_outputs ()) {
2528                         if (_startup->connect_outs_to_master()) {
2529                                 bus_profile.output_ac = AutoConnectMaster;
2530                         } else if (_startup->connect_outs_to_physical()) {
2531                                 bus_profile.output_ac = AutoConnectPhysical;
2532                         }
2533                 }
2534
2535                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2536                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2537         }
2538
2539         if (build_session (session_path, session_name, bus_profile)) {
2540                 return -1;
2541         }
2542
2543         return 0;
2544 }
2545
2546 void
2547 ARDOUR_UI::idle_load (const std::string& path)
2548 {
2549         if (_session) {
2550                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2551                         /* /path/to/foo => /path/to/foo, foo */
2552                         load_session (path, basename_nosuffix (path));
2553                 } else {
2554                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2555                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2556                 }
2557
2558         } else {
2559                 ARDOUR_COMMAND_LINE::session_name = path;
2560         }
2561 }
2562
2563 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2564 int
2565 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2566 {
2567         string session_name;
2568         string session_path;
2569         string template_name;
2570         int ret = -1;
2571         bool likely_new = false;
2572
2573         /* deal with any existing DIRTY session now, rather than later. don't
2574          * treat a non-dirty session this way, so that it stays visible
2575          * as we bring up the new session dialog.
2576          */
2577
2578         if (_session && ARDOUR_UI::instance()->video_timeline) {
2579                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2580         }
2581
2582         if (_session && _session->dirty()) {
2583                 if (unload_session (false)) {
2584                         /* unload cancelled by user */
2585                         return 0;
2586                 }
2587                 ARDOUR_COMMAND_LINE::session_name = "";
2588         }
2589
2590         if (!load_template.empty()) {
2591                 should_be_new = true;
2592                 template_name = load_template;
2593         }
2594
2595         while (ret != 0) {
2596
2597                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2598
2599                         /* if they named a specific statefile, use it, otherwise they are
2600                            just giving a session folder, and we want to use it as is
2601                            to find the session.
2602                         */
2603
2604                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2605
2606                         if (suffix != string::npos) {
2607                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2608                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2609                                 session_name = Glib::path_get_basename (session_name);
2610                         } else {
2611                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2612                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2613                         }
2614                 } else {
2615                         session_path = "";
2616                         session_name = "";
2617                 }
2618
2619                 delete _startup;
2620                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2621
2622                 if (!_startup->ready_without_display()) {
2623                         _startup->present ();
2624                         main().run();
2625                         _startup->hide ();
2626                 }
2627
2628                 switch (_startup->response()) {
2629                 case RESPONSE_OK:
2630                         break;
2631                 default:
2632                         if (quit_on_cancel) {
2633                                 exit (1);
2634                         } else {
2635                                 return ret;
2636                         }
2637                 }
2638
2639                 /* if we run the startup dialog again, offer more than just "new session" */
2640
2641                 should_be_new = false;
2642
2643                 session_name = _startup->session_name (likely_new);
2644
2645                 if (nsm) {
2646                         likely_new = true;
2647                 }
2648
2649                 string::size_type suffix = session_name.find (statefile_suffix);
2650
2651                 if (suffix != string::npos) {
2652                         session_name = session_name.substr (0, suffix);
2653                 }
2654
2655                 /* this shouldn't happen, but we catch it just in case it does */
2656
2657                 if (session_name.empty()) {
2658                         continue;
2659                 }
2660
2661                 if (_startup->use_session_template()) {
2662                         template_name = _startup->session_template_name();
2663                         _session_is_new = true;
2664                 }
2665
2666                 if (session_name[0] == G_DIR_SEPARATOR ||
2667                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2668                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2669
2670                         /* absolute path or cwd-relative path specified for session name: infer session folder
2671                            from what was given.
2672                         */
2673
2674                         session_path = Glib::path_get_dirname (session_name);
2675                         session_name = Glib::path_get_basename (session_name);
2676
2677                 } else {
2678
2679                         session_path = _startup->session_folder();
2680
2681                         char illegal = Session::session_name_is_legal (session_name);
2682
2683                         if (illegal) {
2684                                 MessageDialog msg (*_startup,
2685                                                    string_compose (_("To ensure compatibility with various systems\n"
2686                                                                      "session names may not contain a '%1' character"),
2687                                                                    illegal));
2688                                 msg.run ();
2689                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2690                                 continue;
2691                         }
2692                 }
2693
2694                 if (create_engine ()) {
2695                         break;
2696                 }
2697
2698                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2699
2700                         if (likely_new && !nsm) {
2701
2702                                 std::string existing = Glib::build_filename (session_path, session_name);
2703
2704                                 if (!ask_about_loading_existing_session (existing)) {
2705                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2706                                         continue;
2707                                 }
2708                         }
2709
2710                         _session_is_new = false;
2711
2712                 } else {
2713
2714                         if (!likely_new) {
2715                                 if (_startup) {
2716                                         pop_back_splash (*_startup);
2717                                 } else {
2718                                         hide_splash ();
2719                                 }
2720
2721                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2722                                 msg.run ();
2723                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2724                                 continue;
2725                         }
2726
2727                         char illegal = Session::session_name_is_legal(session_name);
2728                         if (illegal) {
2729                                 pop_back_splash (*_startup);
2730                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2731                                                      "session names may not contain a '%1' character"), illegal));
2732                                 msg.run ();
2733                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2734                                 continue;
2735                         }
2736
2737                         _session_is_new = true;
2738                 }
2739
2740                 if (likely_new && template_name.empty()) {
2741
2742                         ret = build_session_from_nsd (session_path, session_name);
2743
2744                 } else {
2745
2746                         ret = load_session (session_path, session_name, template_name);
2747
2748                         if (ret == -2) {
2749                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2750                                 exit (1);
2751                         }
2752
2753                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2754                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2755                                 exit (1);
2756                         }
2757                 }
2758         }
2759
2760         return ret;
2761 }
2762
2763 void
2764 ARDOUR_UI::close_session()
2765 {
2766         if (!check_audioengine()) {
2767                 return;
2768         }
2769
2770         if (unload_session (true)) {
2771                 return;
2772         }
2773
2774         ARDOUR_COMMAND_LINE::session_name = "";
2775
2776         if (get_session_parameters (true, false)) {
2777                 exit (1);
2778         }
2779
2780         goto_editor_window ();
2781 }
2782
2783 /** @param snap_name Snapshot name (without .ardour suffix).
2784  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2785  */
2786 int
2787 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2788 {
2789         Session *new_session;
2790         int unload_status;
2791         int retval = -1;
2792
2793         session_loaded = false;
2794
2795         if (!check_audioengine()) {
2796                 return -2;
2797         }
2798
2799         unload_status = unload_session ();
2800
2801         if (unload_status < 0) {
2802                 goto out;
2803         } else if (unload_status > 0) {
2804                 retval = 0;
2805                 goto out;
2806         }
2807
2808         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2809
2810         try {
2811                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2812         }
2813
2814         /* this one is special */
2815
2816         catch (AudioEngine::PortRegistrationFailure& err) {
2817
2818                 MessageDialog msg (err.what(),
2819                                    true,
2820                                    Gtk::MESSAGE_INFO,
2821                                    Gtk::BUTTONS_CLOSE);
2822
2823                 msg.set_title (_("Port Registration Error"));
2824                 msg.set_secondary_text (_("Click the Close button to try again."));
2825                 msg.set_position (Gtk::WIN_POS_CENTER);
2826                 pop_back_splash (msg);
2827                 msg.present ();
2828
2829                 int response = msg.run ();
2830
2831                 msg.hide ();
2832
2833                 switch (response) {
2834                 case RESPONSE_CANCEL:
2835                         exit (1);
2836                 default:
2837                         break;
2838                 }
2839                 goto out;
2840         }
2841
2842         catch (...) {
2843
2844                 MessageDialog msg (string_compose(
2845                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2846                                            path, snap_name),
2847                                    true,
2848                                    Gtk::MESSAGE_INFO,
2849                                    BUTTONS_OK);
2850
2851                 msg.set_title (_("Loading Error"));
2852                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2853                 msg.add_button (Stock::REFRESH, 1);
2854                 msg.set_position (Gtk::WIN_POS_CENTER);
2855                 pop_back_splash (msg);
2856                 msg.present ();
2857
2858                 int response = msg.run ();
2859
2860                 switch (response) {
2861                 case 1:
2862                         break;
2863                 default:
2864                         exit (1);
2865                 }
2866
2867                 msg.hide ();
2868
2869                 goto out;
2870         }
2871
2872         {
2873                 list<string> const u = new_session->unknown_processors ();
2874                 if (!u.empty()) {
2875                         MissingPluginDialog d (_session, u);
2876                         d.run ();
2877                 }
2878         }
2879
2880         /* Now the session been created, add the transport controls */
2881         new_session->add_controllable(roll_controllable);
2882         new_session->add_controllable(stop_controllable);
2883         new_session->add_controllable(goto_start_controllable);
2884         new_session->add_controllable(goto_end_controllable);
2885         new_session->add_controllable(auto_loop_controllable);
2886         new_session->add_controllable(play_selection_controllable);
2887         new_session->add_controllable(rec_controllable);
2888
2889         set_session (new_session);
2890
2891         session_loaded = true;
2892
2893         goto_editor_window ();
2894
2895         if (_session) {
2896                 _session->set_clean ();
2897         }
2898
2899         flush_pending ();
2900         retval = 0;
2901
2902   out:
2903         return retval;
2904 }
2905
2906 int
2907 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2908 {
2909         Session *new_session;
2910         int x;
2911
2912         if (!check_audioengine()) {
2913                 return -1;
2914         }
2915
2916         session_loaded = false;
2917
2918         x = unload_session ();
2919
2920         if (x < 0) {
2921                 return -1;
2922         } else if (x > 0) {
2923                 return 0;
2924         }
2925
2926         _session_is_new = true;
2927
2928         try {
2929                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2930         }
2931
2932         catch (...) {
2933
2934                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2935                 pop_back_splash (msg);
2936                 msg.run ();
2937                 return -1;
2938         }
2939
2940         /* Give the new session the default GUI state, if such things exist */
2941
2942         XMLNode* n;
2943         n = Config->instant_xml (X_("Editor"));
2944         if (n) {
2945                 new_session->add_instant_xml (*n, false);
2946         }
2947         n = Config->instant_xml (X_("Mixer"));
2948         if (n) {
2949                 new_session->add_instant_xml (*n, false);
2950         }
2951
2952         /* Put the playhead at 0 and scroll fully left */
2953         n = new_session->instant_xml (X_("Editor"));
2954         if (n) {
2955                 n->add_property (X_("playhead"), X_("0"));
2956                 n->add_property (X_("left-frame"), X_("0"));
2957         }
2958
2959         set_session (new_session);
2960
2961         session_loaded = true;
2962
2963         new_session->save_state(new_session->name());
2964
2965         return 0;
2966 }
2967
2968 void
2969 ARDOUR_UI::launch_chat ()
2970 {
2971 #ifdef __APPLE__
2972         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2973 #else
2974         open_uri("http://webchat.freenode.net/?channels=ardour");
2975 #endif
2976 }
2977
2978 void
2979 ARDOUR_UI::launch_manual ()
2980 {
2981         PBD::open_uri (Config->get_tutorial_manual_url());
2982 }
2983
2984 void
2985 ARDOUR_UI::launch_reference ()
2986 {
2987         PBD::open_uri (Config->get_reference_manual_url());
2988 }
2989
2990 void
2991 ARDOUR_UI::loading_message (const std::string& msg)
2992 {
2993         if (ARDOUR_COMMAND_LINE::no_splash) {
2994                 return;
2995         }
2996
2997         if (!splash) {
2998                 show_splash ();
2999         }
3000
3001         splash->message (msg);
3002 }
3003
3004 void
3005 ARDOUR_UI::show_splash ()
3006 {
3007         if (splash == 0) {
3008                 try {
3009                         splash = new Splash;
3010                 } catch (...) {
3011                         return;
3012                 }
3013         }
3014
3015         splash->display ();
3016 }
3017
3018 void
3019 ARDOUR_UI::hide_splash ()
3020 {
3021         delete splash;
3022         splash = 0;
3023 }
3024
3025 void
3026 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3027 {
3028         size_t removed;
3029
3030         removed = rep.paths.size();
3031
3032         if (removed == 0) {
3033                 MessageDialog msgd (*editor,
3034                                     _("No files were ready for clean-up"),
3035                                     true,
3036                                     Gtk::MESSAGE_INFO,
3037                                     Gtk::BUTTONS_OK);
3038                 msgd.set_title (_("Clean-up"));
3039                 msgd.set_secondary_text (_("If this seems suprising, \n\
3040 check for any existing snapshots.\n\
3041 These may still include regions that\n\
3042 require some unused files to continue to exist."));
3043
3044                 msgd.run ();
3045                 return;
3046         }
3047
3048         ArdourDialog results (_("Clean-up"), true, false);
3049
3050         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3051             CleanupResultsModelColumns() {
3052                     add (visible_name);
3053                     add (fullpath);
3054             }
3055             Gtk::TreeModelColumn<std::string> visible_name;
3056             Gtk::TreeModelColumn<std::string> fullpath;
3057         };
3058
3059
3060         CleanupResultsModelColumns results_columns;
3061         Glib::RefPtr<Gtk::ListStore> results_model;
3062         Gtk::TreeView results_display;
3063
3064         results_model = ListStore::create (results_columns);
3065         results_display.set_model (results_model);
3066         results_display.append_column (list_title, results_columns.visible_name);
3067
3068         results_display.set_name ("CleanupResultsList");
3069         results_display.set_headers_visible (true);
3070         results_display.set_headers_clickable (false);
3071         results_display.set_reorderable (false);
3072
3073         Gtk::ScrolledWindow list_scroller;
3074         Gtk::Label txt;
3075         Gtk::VBox dvbox;
3076         Gtk::HBox dhbox;  // the hbox for the image and text
3077         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3078         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3079
3080         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3081
3082         const string dead_directory = _session->session_directory().dead_path();
3083
3084         /* subst:
3085            %1 - number of files removed
3086            %2 - location of "dead"
3087            %3 - size of files affected
3088            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3089         */
3090
3091         const char* bprefix;
3092         double space_adjusted = 0;
3093
3094         if (rep.space < 1000) {
3095                 bprefix = X_("");
3096                 space_adjusted = rep.space;
3097         } else if (rep.space < 1000000) {
3098                 bprefix = _("kilo");
3099                 space_adjusted = truncf((float)rep.space / 1000.0);
3100         } else if (rep.space < 1000000 * 1000) {
3101                 bprefix = _("mega");
3102                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3103         } else {
3104                 bprefix = _("giga");
3105                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3106         }
3107
3108         if (msg_delete) {
3109                 txt.set_markup (string_compose (P_("\
3110 The following file was deleted from %2,\n\
3111 releasing %3 %4bytes of disk space", "\
3112 The following %1 files were deleted from %2,\n\
3113 releasing %3 %4bytes of disk space", removed),
3114                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3115         } else {
3116                 txt.set_markup (string_compose (P_("\
3117 The following file was not in use and \n\
3118 has been moved to: %2\n\n\
3119 After a restart of %5\n\n\
3120 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3121 will release an additional %3 %4bytes of disk space.\n", "\
3122 The following %1 files were not in use and \n\
3123 have been moved to: %2\n\n\
3124 After a restart of %5\n\n\
3125 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3126 will release an additional %3 %4bytes of disk space.\n", removed),
3127                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3128         }
3129
3130         dhbox.pack_start (*dimage, true, false, 5);
3131         dhbox.pack_start (txt, true, false, 5);
3132
3133         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3134                 TreeModel::Row row = *(results_model->append());
3135                 row[results_columns.visible_name] = *i;
3136                 row[results_columns.fullpath] = *i;
3137         }
3138
3139         list_scroller.add (results_display);
3140         list_scroller.set_size_request (-1, 150);
3141         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3142
3143         dvbox.pack_start (dhbox, true, false, 5);
3144         dvbox.pack_start (list_scroller, true, false, 5);
3145         ddhbox.pack_start (dvbox, true, false, 5);
3146
3147         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3148         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3149         results.set_default_response (RESPONSE_CLOSE);
3150         results.set_position (Gtk::WIN_POS_MOUSE);
3151
3152         results_display.show();
3153         list_scroller.show();
3154         txt.show();
3155         dvbox.show();
3156         dhbox.show();
3157         ddhbox.show();
3158         dimage->show();
3159
3160         //results.get_vbox()->show();
3161         results.set_resizable (false);
3162
3163         results.run ();
3164
3165 }
3166
3167 void
3168 ARDOUR_UI::cleanup ()
3169 {
3170         if (_session == 0) {
3171                 /* shouldn't happen: menu item is insensitive */
3172                 return;
3173         }
3174
3175
3176         MessageDialog checker (_("Are you sure you want to clean-up?"),
3177                                 true,
3178                                 Gtk::MESSAGE_QUESTION,
3179                                 Gtk::BUTTONS_NONE);
3180
3181         checker.set_title (_("Clean-up"));
3182
3183         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3184 ALL undo/redo information will be lost if you clean-up.\n\
3185 Clean-up will move all unused files to a \"dead\" location."));
3186
3187         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3188         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3189         checker.set_default_response (RESPONSE_CANCEL);
3190
3191         checker.set_name (_("CleanupDialog"));
3192         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3193         checker.set_position (Gtk::WIN_POS_MOUSE);
3194
3195         switch (checker.run()) {
3196         case RESPONSE_ACCEPT:
3197                 break;
3198         default:
3199                 return;
3200         }
3201
3202         ARDOUR::CleanupReport rep;
3203
3204         editor->prepare_for_cleanup ();
3205
3206         /* do not allow flush until a session is reloaded */
3207
3208         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3209         if (act) {
3210                 act->set_sensitive (false);
3211         }
3212
3213         if (_session->cleanup_sources (rep)) {
3214                 editor->finish_cleanup ();
3215                 return;
3216         }
3217
3218         editor->finish_cleanup ();
3219
3220         checker.hide();
3221         display_cleanup_results (rep, _("Cleaned Files"), false);
3222 }
3223
3224 void
3225 ARDOUR_UI::flush_trash ()
3226 {
3227         if (_session == 0) {
3228                 /* shouldn't happen: menu item is insensitive */
3229                 return;
3230         }
3231
3232         ARDOUR::CleanupReport rep;
3233
3234         if (_session->cleanup_trash_sources (rep)) {
3235                 return;
3236         }
3237
3238         display_cleanup_results (rep, _("deleted file"), true);
3239 }
3240
3241 void
3242 ARDOUR_UI::add_route (Gtk::Window* float_window)
3243 {
3244         int count;
3245
3246         if (!_session) {
3247                 return;
3248         }
3249
3250         if (add_route_dialog->is_visible()) {
3251                 /* we're already doing this */
3252                 return;
3253         }
3254
3255         if (float_window) {
3256                 add_route_dialog->set_transient_for (*float_window);
3257         }
3258
3259         ResponseType r = (ResponseType) add_route_dialog->run ();
3260
3261         add_route_dialog->hide();
3262
3263         switch (r) {
3264                 case RESPONSE_ACCEPT:
3265                         break;
3266                 default:
3267                         return;
3268                         break;
3269         }
3270
3271         if ((count = add_route_dialog->count()) <= 0) {
3272                 return;
3273         }
3274
3275         PBD::ScopedConnection idle_connection;
3276
3277         if (count > 8) {
3278                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3279         }
3280
3281         string template_path = add_route_dialog->track_template();
3282
3283         if (!template_path.empty()) {
3284                 if (add_route_dialog->name_template_is_default())  {
3285                         _session->new_route_from_template (count, template_path, string());
3286                 } else {
3287                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3288                 }
3289                 return;
3290         }
3291
3292         ChanCount input_chan= add_route_dialog->channels ();
3293         ChanCount output_chan;
3294         string name_template = add_route_dialog->name_template ();
3295         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3296         RouteGroup* route_group = add_route_dialog->route_group ();
3297         AutoConnectOption oac = Config->get_output_auto_connect();
3298
3299         if (oac & AutoConnectMaster) {
3300                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3301                 output_chan.set (DataType::MIDI, 0);
3302         } else {
3303                 output_chan = input_chan;
3304         }
3305
3306         /* XXX do something with name template */
3307
3308         switch (add_route_dialog->type_wanted()) {
3309         case AddRouteDialog::AudioTrack:
3310                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3311                 break;
3312         case AddRouteDialog::MidiTrack:
3313                 session_add_midi_track (route_group, count, name_template, instrument);
3314                 break;
3315         case AddRouteDialog::MixedTrack:
3316                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3317                 break;
3318         case AddRouteDialog::AudioBus:
3319                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3320                 break;
3321         }
3322
3323         /* idle connection will end at scope end */
3324 }
3325
3326 void
3327 ARDOUR_UI::stop_video_server (bool ask_confirm)
3328 {
3329         if (!video_server_process && ask_confirm) {
3330                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3331         }
3332         if (video_server_process) {
3333                 if(ask_confirm) {
3334                         ArdourDialog confirm (_("Stop Video-Server"), true);
3335                         Label m (_("Do you really want to stop the Video Server?"));
3336                         confirm.get_vbox()->pack_start (m, true, true);
3337                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3338                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3339                         confirm.show_all ();
3340                         if (confirm.run() == RESPONSE_CANCEL) {
3341                                 return;
3342                         }
3343                 }
3344                 delete video_server_process;
3345                 video_server_process =0;
3346         }
3347 }
3348
3349 void
3350 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3351 {
3352   ARDOUR_UI::start_video_server( float_window, true);
3353 }
3354
3355 bool
3356 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3357 {
3358         if (!_session) {
3359                 return false;
3360         }
3361         if (popup_msg) {
3362                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3363                         if (video_server_process) {
3364                                 popup_error(_("The Video Server is already started."));
3365                         } else {
3366                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3367                         }
3368                 }
3369         }
3370
3371         int firsttime = 0;
3372         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3373                 if (firsttime++) {
3374                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3375                 }
3376                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3377                 if (float_window) {
3378                         video_server_dialog->set_transient_for (*float_window);
3379                 }
3380
3381                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3382                         video_server_dialog->hide();
3383                 } else {
3384                         ResponseType r = (ResponseType) video_server_dialog->run ();
3385                         video_server_dialog->hide();
3386                         if (r != RESPONSE_ACCEPT) { return false; }
3387                         if (video_server_dialog->show_again()) {
3388                                 Config->set_show_video_server_dialog(false);
3389                         }
3390                 }
3391
3392                 std::string icsd_exec = video_server_dialog->get_exec_path();
3393                 std::string icsd_docroot = video_server_dialog->get_docroot();
3394                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3395
3396                 struct stat sb;
3397                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3398                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3399                         continue;
3400                 }
3401                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3402                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3403                         warning << _("Given Video Server is not an executable file.") << endmsg;
3404                         continue;
3405                 }
3406
3407                 char **argp;
3408                 argp=(char**) calloc(9,sizeof(char*));
3409                 argp[0] = strdup(icsd_exec.c_str());
3410                 argp[1] = strdup("-P");
3411                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3412                 argp[3] = strdup("-p");
3413                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3414                 argp[5] = strdup("-C");
3415                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3416                 argp[7] = strdup(icsd_docroot.c_str());
3417                 argp[8] = 0;
3418                 stop_video_server();
3419
3420                 if (icsd_docroot == X_("/")) {
3421                         Config->set_video_advanced_setup(false);
3422                 } else {
3423                         std::ostringstream osstream;
3424                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3425                         Config->set_video_server_url(osstream.str());
3426                         Config->set_video_server_docroot(icsd_docroot);
3427                         Config->set_video_advanced_setup(true);
3428                 }
3429
3430                 if (video_server_process) {
3431                         delete video_server_process;
3432                 }
3433
3434                 video_server_process = new SystemExec(icsd_exec, argp);
3435                 if (video_server_process->start()) {
3436                         warning << _("Cannot launch the video-server") << endmsg;
3437                         continue;
3438                 }
3439                 int timeout = 120; // 6 sec
3440                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3441                         usleep (50000);
3442                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3443                 }
3444                 if (timeout <= 0) {
3445                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3446                 } else {
3447                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3448                                 delete video_server_process;
3449                                 video_server_process = 0;
3450                         }
3451                 }
3452         }
3453         return true;
3454 }
3455
3456 void
3457 ARDOUR_UI::add_video (Gtk::Window* float_window)
3458 {
3459         if (!_session) {
3460                 return;
3461         }
3462
3463         if (!start_video_server(float_window, false)) {
3464                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3465                 return;
3466         }
3467
3468         if (float_window) {
3469                 add_video_dialog->set_transient_for (*float_window);
3470         }
3471
3472         if (add_video_dialog->is_visible()) {
3473                 /* we're already doing this */
3474                 return;
3475         }
3476
3477         ResponseType r = (ResponseType) add_video_dialog->run ();
3478         add_video_dialog->hide();
3479         if (r != RESPONSE_ACCEPT) { return; }
3480
3481         bool local_file, orig_local_file;
3482         std::string path = add_video_dialog->file_name(local_file);
3483
3484         std::string orig_path = path;
3485         orig_local_file = local_file;
3486
3487         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3488
3489         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3490                 warning << string_compose(_("could not open %1"), path) << endmsg;
3491                 return;
3492         }
3493         if (!local_file && path.length() == 0) {
3494                 warning << _("no video-file selected") << endmsg;
3495                 return;
3496         }
3497
3498         switch (add_video_dialog->import_option()) {
3499                 case VTL_IMPORT_TRANSCODE:
3500                         {
3501                                 TranscodeVideoDialog *transcode_video_dialog;
3502                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3503                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3504                                 transcode_video_dialog->hide();
3505                                 if (r != RESPONSE_ACCEPT) {
3506                                         delete transcode_video_dialog;
3507                                         return;
3508                                 }
3509                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3510                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3511                                 }
3512                                 switch (transcode_video_dialog->import_option()) {
3513                                         case VTL_IMPORT_TRANSCODED:
3514                                                 path = transcode_video_dialog->get_filename();
3515                                                 local_file = true;
3516                                                 break;
3517                                         case VTL_IMPORT_REFERENCE:
3518                                                 break;
3519                                         default:
3520                                                 delete transcode_video_dialog;
3521                                                 return;
3522                                 }
3523                                 delete transcode_video_dialog;
3524                         }
3525                         break;
3526                 default:
3527                 case VTL_IMPORT_NONE:
3528                         break;
3529         }
3530
3531         /* strip _session->session_directory().video_path() from video file if possible */
3532         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3533                  path=path.substr(_session->session_directory().video_path().size());
3534                  if (path.at(0) == G_DIR_SEPARATOR) {
3535                          path=path.substr(1);
3536                  }
3537         }
3538
3539         video_timeline->set_update_session_fps(auto_set_session_fps);
3540         if (video_timeline->video_file_info(path, local_file)) {
3541                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3542                 node->add_property (X_("Filename"), path);
3543                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3544                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3545                 if (orig_local_file) {
3546                         node->add_property (X_("OriginalVideoFile"), orig_path);
3547                 } else {
3548                         node->remove_property (X_("OriginalVideoFile"));
3549                 }
3550                 _session->add_extra_xml (*node);
3551                 _session->set_dirty ();
3552
3553                 _session->maybe_update_session_range(
3554                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3555                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3556
3557
3558                 if (add_video_dialog->launch_xjadeo() && local_file) {
3559                         editor->set_xjadeo_sensitive(true);
3560                         editor->toggle_xjadeo_proc(1);
3561                 } else {
3562                         editor->toggle_xjadeo_proc(0);
3563                 }
3564                 editor->toggle_ruler_video(true);
3565         }
3566 }
3567
3568 void
3569 ARDOUR_UI::remove_video ()
3570 {
3571         video_timeline->close_session();
3572         editor->toggle_ruler_video(false);
3573
3574         /* delete session state */
3575         XMLNode* node = new XMLNode(X_("Videotimeline"));
3576         _session->add_extra_xml(*node);
3577         node = new XMLNode(X_("Videomonitor"));
3578         _session->add_extra_xml(*node);
3579         stop_video_server();
3580 }
3581
3582 void
3583 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3584 {
3585         if (localcacheonly) {
3586                 video_timeline->vmon_update();
3587         } else {
3588                 video_timeline->flush_cache();
3589         }
3590         editor->queue_visual_videotimeline_update();
3591 }
3592
3593 XMLNode*
3594 ARDOUR_UI::mixer_settings () const
3595 {
3596         XMLNode* node = 0;
3597
3598         if (_session) {
3599                 node = _session->instant_xml(X_("Mixer"));
3600         } else {
3601                 node = Config->instant_xml(X_("Mixer"));
3602         }
3603
3604         if (!node) {
3605                 node = new XMLNode (X_("Mixer"));
3606         }
3607
3608         return node;
3609 }
3610
3611 XMLNode*
3612 ARDOUR_UI::editor_settings () const
3613 {
3614         XMLNode* node = 0;
3615
3616         if (_session) {
3617                 node = _session->instant_xml(X_("Editor"));
3618         } else {
3619                 node = Config->instant_xml(X_("Editor"));
3620         }
3621
3622         if (!node) {
3623                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3624                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3625                 }
3626         }
3627
3628         if (!node) {
3629                 node = new XMLNode (X_("Editor"));
3630         }
3631
3632         return node;
3633 }
3634
3635 XMLNode*
3636 ARDOUR_UI::keyboard_settings () const
3637 {
3638         XMLNode* node = 0;
3639
3640         node = Config->extra_xml(X_("Keyboard"));
3641
3642         if (!node) {
3643                 node = new XMLNode (X_("Keyboard"));
3644         }
3645
3646         return node;
3647 }
3648
3649 void
3650 ARDOUR_UI::create_xrun_marker (framepos_t where)
3651 {
3652         editor->mouse_add_new_marker (where, false, true);
3653 }
3654
3655 void
3656 ARDOUR_UI::halt_on_xrun_message ()
3657 {
3658         MessageDialog msg (*editor,
3659                            _("Recording was stopped because your system could not keep up."));
3660         msg.run ();
3661 }
3662
3663 void
3664 ARDOUR_UI::xrun_handler (framepos_t where)
3665 {
3666         if (!_session) {
3667                 return;
3668         }
3669
3670         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3671
3672         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3673                 create_xrun_marker(where);
3674         }
3675
3676         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3677                 halt_on_xrun_message ();
3678         }
3679 }
3680
3681 void
3682 ARDOUR_UI::disk_overrun_handler ()
3683 {
3684         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3685
3686         if (!have_disk_speed_dialog_displayed) {
3687                 have_disk_speed_dialog_displayed = true;
3688                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3689 The disk system on your computer\n\
3690 was not able to keep up with %1.\n\
3691 \n\
3692 Specifically, it failed to write data to disk\n\
3693 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3694                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3695                 msg->show ();
3696         }
3697 }
3698
3699 void
3700 ARDOUR_UI::disk_underrun_handler ()
3701 {
3702         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3703
3704         if (!have_disk_speed_dialog_displayed) {
3705                 have_disk_speed_dialog_displayed = true;
3706                 MessageDialog* msg = new MessageDialog (
3707                         *editor, string_compose (_("The disk system on your computer\n\
3708 was not able to keep up with %1.\n\
3709 \n\
3710 Specifically, it failed to read data from disk\n\
3711 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3712                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3713                 msg->show ();
3714         }
3715 }
3716
3717 void
3718 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3719 {
3720         have_disk_speed_dialog_displayed = false;
3721         delete msg;
3722 }
3723
3724 void
3725 ARDOUR_UI::session_dialog (std::string msg)
3726 {
3727         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3728
3729         MessageDialog* d;
3730
3731         if (editor) {
3732                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3733         } else {
3734                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3735         }
3736
3737         d->show_all ();
3738         d->run ();
3739         delete d;
3740 }
3741
3742 int
3743 ARDOUR_UI::pending_state_dialog ()
3744 {
3745         HBox* hbox = new HBox();
3746         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3747         ArdourDialog dialog (_("Crash Recovery"), true);
3748         Label  message (string_compose (_("\
3749 This session appears to have been in the\n\
3750 middle of recording when %1 or\n\
3751 the computer was shutdown.\n\
3752 \n\
3753 %1 can recover any captured audio for\n\
3754 you, or it can ignore it. Please decide\n\
3755 what you would like to do.\n"), PROGRAM_NAME));
3756         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3757         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3758         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3759         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3760         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3761         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3762         dialog.set_default_response (RESPONSE_ACCEPT);
3763         dialog.set_position (WIN_POS_CENTER);
3764         message.show();
3765         image->show();
3766         hbox->show();
3767
3768         switch (dialog.run ()) {
3769         case RESPONSE_ACCEPT:
3770                 return 1;
3771         default:
3772                 return 0;
3773         }
3774 }
3775
3776 int
3777 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3778 {
3779         HBox* hbox = new HBox();
3780         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3781         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3782         Label  message (string_compose (_("\
3783 This session was created with a sample rate of %1 Hz, but\n\
3784 %2 is currently running at %3 Hz.  If you load this session,\n\
3785 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3786
3787         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3788         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3789         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3790         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3791         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3792         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3793         dialog.set_default_response (RESPONSE_ACCEPT);
3794         dialog.set_position (WIN_POS_CENTER);
3795         message.show();
3796         image->show();
3797         hbox->show();
3798
3799         switch (dialog.run()) {
3800         case RESPONSE_ACCEPT:
3801                 return 0;
3802         default:
3803                 break;
3804         }
3805
3806         return 1;
3807 }
3808
3809
3810 void
3811 ARDOUR_UI::disconnect_from_jack ()
3812 {
3813         if (engine) {
3814                 if (engine->disconnect_from_jack ()) {
3815                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3816                         msg.run ();
3817                 }
3818
3819                 update_sample_rate (0);
3820         }
3821 }
3822
3823 void
3824 ARDOUR_UI::reconnect_to_jack ()
3825 {
3826         if (engine) {
3827                 if (engine->reconnect_to_jack ()) {
3828                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3829                         msg.run ();
3830                 }
3831
3832                 update_sample_rate (0);
3833         }
3834 }
3835
3836 void
3837 ARDOUR_UI::use_config ()
3838 {
3839         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3840         if (node) {
3841                 set_transport_controllable_state (*node);
3842         }
3843 }
3844
3845 void
3846 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3847 {
3848         if (Config->get_primary_clock_delta_edit_cursor()) {
3849                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3850         } else {
3851                 primary_clock->set (pos);
3852         }
3853
3854         if (Config->get_secondary_clock_delta_edit_cursor()) {
3855                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3856         } else {
3857                 secondary_clock->set (pos);
3858         }
3859
3860         if (big_clock_window) {
3861                 big_clock->set (pos);
3862         }
3863         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3864 }
3865
3866 void
3867 ARDOUR_UI::step_edit_status_change (bool yn)
3868 {
3869         // XXX should really store pre-step edit status of things
3870         // we make insensitive
3871
3872         if (yn) {
3873                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3874                 rec_button.set_sensitive (false);
3875         } else {
3876                 rec_button.unset_active_state ();;
3877                 rec_button.set_sensitive (true);
3878         }
3879 }
3880
3881 void
3882 ARDOUR_UI::record_state_changed ()
3883 {
3884         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3885
3886         if (!_session || !big_clock_window) {
3887                 /* why bother - the clock isn't visible */
3888                 return;
3889         }
3890
3891         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3892                 big_clock->set_active (true);
3893         } else {
3894                 big_clock->set_active (false);
3895         }
3896 }
3897
3898 bool
3899 ARDOUR_UI::first_idle ()
3900 {
3901         if (_session) {
3902                 _session->allow_auto_play (true);
3903         }
3904
3905         if (editor) {
3906                 editor->first_idle();
3907         }
3908
3909         Keyboard::set_can_save_keybindings (true);
3910         return false;
3911 }
3912
3913 void
3914 ARDOUR_UI::store_clock_modes ()
3915 {
3916         XMLNode* node = new XMLNode(X_("ClockModes"));
3917
3918         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3919                 XMLNode* child = new XMLNode (X_("Clock"));
3920
3921                 child->add_property (X_("name"), (*x)->name());
3922                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3923                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3924
3925                 node->add_child_nocopy (*child);
3926         }
3927
3928         _session->add_extra_xml (*node);
3929         _session->set_dirty ();
3930 }
3931
3932 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3933         : Controllable (name), ui (u), type(tp)
3934 {
3935
3936 }
3937
3938 void
3939 ARDOUR_UI::TransportControllable::set_value (double val)
3940 {
3941         if (val < 0.5) {
3942                 /* do nothing: these are radio-style actions */
3943                 return;
3944         }
3945
3946         const char *action = 0;
3947
3948         switch (type) {
3949         case Roll:
3950                 action = X_("Roll");
3951                 break;
3952         case Stop:
3953                 action = X_("Stop");
3954                 break;
3955         case GotoStart:
3956                 action = X_("GotoStart");
3957                 break;
3958         case GotoEnd:
3959                 action = X_("GotoEnd");
3960                 break;
3961         case AutoLoop:
3962                 action = X_("Loop");
3963                 break;
3964         case PlaySelection:
3965                 action = X_("PlaySelection");
3966                 break;
3967         case RecordEnable:
3968                 action = X_("Record");
3969                 break;
3970         default:
3971                 break;
3972         }
3973
3974         if (action == 0) {
3975                 return;
3976         }
3977
3978         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3979
3980         if (act) {
3981                 act->activate ();
3982         }
3983 }
3984
3985 double
3986 ARDOUR_UI::TransportControllable::get_value (void) const
3987 {
3988         float val = 0.0;
3989
3990         switch (type) {
3991         case Roll:
3992                 break;
3993         case Stop:
3994                 break;
3995         case GotoStart:
3996                 break;
3997         case GotoEnd:
3998                 break;
3999         case AutoLoop:
4000                 break;
4001         case PlaySelection:
4002                 break;
4003         case RecordEnable:
4004                 break;
4005         default:
4006                 break;
4007         }
4008
4009         return val;
4010 }
4011
4012 void
4013 ARDOUR_UI::setup_profile ()
4014 {
4015         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4016                 Profile->set_small_screen ();
4017         }
4018
4019         if (getenv ("ARDOUR_SAE")) {
4020                 Profile->set_sae ();
4021                 Profile->set_single_package ();
4022         }
4023 }
4024
4025 int
4026 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4027 {
4028         MissingFileDialog dialog (s, str, type);
4029
4030         dialog.show ();
4031         dialog.present ();
4032
4033         int result = dialog.run ();
4034         dialog.hide ();
4035
4036         switch (result) {
4037         case RESPONSE_OK:
4038                 break;
4039         default:
4040                 return 1; // quit entire session load
4041         }
4042
4043         result = dialog.get_action ();
4044
4045         return result;
4046 }
4047
4048 int
4049 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4050 {
4051         AmbiguousFileDialog dialog (file, hits);
4052
4053         dialog.show ();
4054         dialog.present ();
4055
4056         dialog.run ();
4057         return dialog.get_which ();
4058 }
4059
4060 /** Allocate our thread-local buffers */
4061 void
4062 ARDOUR_UI::get_process_buffers ()
4063 {
4064         _process_thread->get_buffers ();
4065 }
4066
4067 /** Drop our thread-local buffers */
4068 void
4069 ARDOUR_UI::drop_process_buffers ()
4070 {
4071         _process_thread->drop_buffers ();
4072 }
4073
4074 void
4075 ARDOUR_UI::feedback_detected ()
4076 {
4077         _feedback_exists = true;
4078 }
4079
4080 void
4081 ARDOUR_UI::successful_graph_sort ()
4082 {
4083         _feedback_exists = false;
4084 }
4085
4086 void
4087 ARDOUR_UI::midi_panic ()
4088 {
4089         if (_session) {
4090                 _session->midi_panic();
4091         }
4092 }
4093
4094 void
4095 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4096 {
4097         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4098         const char* end_big = "</span>";
4099         const char* start_mono = "<tt>";
4100         const char* end_mono = "</tt>";
4101
4102         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4103                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4104                                              "From now on, use the -2000 version with older versions of %3"),
4105                                            xml_path, backup_path, PROGRAM_NAME,
4106                                            start_big, end_big,
4107                                            start_mono, end_mono), true);
4108
4109         msg.run ();
4110 }