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::backend_client_name, ARDOUR_COMMAND_LINE::backend_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_zero_something_second_connection.disconnect();
 902         }
 903
 904         delete ARDOUR_UI::instance()->video_timeline;
 905         ARDOUR_UI::instance()->video_timeline = NULL;
 906         stop_video_server();
 907
 908         /* Save state before deleting the session, as that causes some
 909            windows to be destroyed before their visible state can be
 910            saved.
 911         */
 912         save_ardour_state ();
 913
 914         close_all_dialogs ();
 915
 916         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 917
 918         if (_session) {
 919                 // _session->set_deletion_in_progress ();
 920                 _session->set_clean ();
 921                 _session->remove_pending_capture_state ();
 922                 delete _session;
 923                 _session = 0;
 924         }
 925
 926         engine->stop (true);
 927         quit ();
 928 }
 929
 930 int
 931 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 932 {
 933         ArdourDialog window (_("Unsaved Session"));
 934         Gtk::HBox dhbox;  // the hbox for the image and text
 935         Gtk::Label  prompt_label;
 936         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 937
 938         string msg;
 939
 940         assert (actions.size() >= 3);
 941
 942         window.add_button (actions[0], RESPONSE_REJECT);
 943         window.add_button (actions[1], RESPONSE_APPLY);
 944         window.add_button (actions[2], RESPONSE_ACCEPT);
 945
 946         window.set_default_response (RESPONSE_ACCEPT);
 947
 948         Gtk::Button noquit_button (msg);
 949         noquit_button.set_name ("EditorGTKButton");
 950
 951         string prompt;
 952
 953         if (_session->snap_name() == _session->name()) {
 954                 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?"),
 955                                         _session->snap_name());
 956         } else {
 957                 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?"),
 958                                         _session->snap_name());
 959         }
 960
 961         prompt_label.set_text (prompt);
 962         prompt_label.set_name (X_("PrompterLabel"));
 963         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 964
 965         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 966         dhbox.set_homogeneous (false);
 967         dhbox.pack_start (*dimage, false, false, 5);
 968         dhbox.pack_start (prompt_label, true, false, 5);
 969         window.get_vbox()->pack_start (dhbox);
 970
 971         window.set_name (_("Prompter"));
 972         window.set_modal (true);
 973         window.set_resizable (false);
 974
 975         dhbox.show();
 976         prompt_label.show();
 977         dimage->show();
 978         window.show();
 979         window.set_keep_above (true);
 980         window.present ();
 981
 982         ResponseType r = (ResponseType) window.run();
 983
 984         window.hide ();
 985
 986         switch (r) {
 987         case RESPONSE_ACCEPT: // save and get out of here
 988                 return 1;
 989         case RESPONSE_APPLY:  // get out of here
 990                 return 0;
 991         default:
 992                 break;
 993         }
 994
 995         return -1;
 996 }
 997
 998
 999 gint
1000 ARDOUR_UI::every_second ()
1001 {
1002         update_cpu_load ();
1003         update_buffer_load ();
1004         update_disk_space ();
1005         update_timecode_format ();
1006
1007         if (nsm && nsm->is_active ()) {
1008                 nsm->check ();
1009
1010                 if (!_was_dirty && _session->dirty ()) {
1011                         nsm->is_dirty ();
1012                         _was_dirty = true;
1013                 }
1014                 else if (_was_dirty && !_session->dirty ()){
1015                         nsm->is_clean ();
1016                         _was_dirty = false;
1017                 }
1018         }
1019         return TRUE;
1020 }
1021
1022 gint
1023 ARDOUR_UI::every_point_one_seconds ()
1024 {
1025         shuttle_box->update_speed_display ();
1026         RapidScreenUpdate(); /* EMIT_SIGNAL */
1027         return TRUE;
1028 }
1029
1030 gint
1031 ARDOUR_UI::every_point_zero_something_seconds ()
1032 {
1033         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1034
1035         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1036         return TRUE;
1037 }
1038
1039 void
1040 ARDOUR_UI::update_sample_rate (framecnt_t)
1041 {
1042         char buf[64];
1043
1044         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1045
1046         if (!engine->connected()) {
1047
1048                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1049
1050         } else {
1051
1052                 framecnt_t rate = engine->frame_rate();
1053
1054                 if (fmod (rate, 1000.0) != 0.0) {
1055                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1056                                   (float) rate/1000.0f,
1057                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1058                 } else {
1059                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1060                                   rate/1000,
1061                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1062                 }
1063         }
1064
1065         sample_rate_label.set_markup (buf);
1066 }
1067
1068 void
1069 ARDOUR_UI::update_format ()
1070 {
1071         if (!_session) {
1072                 format_label.set_text ("");
1073                 return;
1074         }
1075
1076         stringstream s;
1077         s << _("File:") << X_(" <span foreground=\"green\">");
1078
1079         switch (_session->config.get_native_file_header_format ()) {
1080         case BWF:
1081                 s << _("BWF");
1082                 break;
1083         case WAVE:
1084                 s << _("WAV");
1085                 break;
1086         case WAVE64:
1087                 s << _("WAV64");
1088                 break;
1089         case CAF:
1090                 s << _("CAF");
1091                 break;
1092         case AIFF:
1093                 s << _("AIFF");
1094                 break;
1095         case iXML:
1096                 s << _("iXML");
1097                 break;
1098         case RF64:
1099                 s << _("RF64");
1100                 break;
1101         }
1102
1103         s << " ";
1104
1105         switch (_session->config.get_native_file_data_format ()) {
1106         case FormatFloat:
1107                 s << _("32-float");
1108                 break;
1109         case FormatInt24:
1110                 s << _("24-int");
1111                 break;
1112         case FormatInt16:
1113                 s << _("16-int");
1114                 break;
1115         }
1116
1117         s << X_("</span>");
1118
1119         format_label.set_markup (s.str ());
1120 }
1121
1122 void
1123 ARDOUR_UI::update_cpu_load ()
1124 {
1125         char buf[64];
1126
1127         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1128            should also be changed.
1129         */
1130
1131         float const c = engine->get_cpu_load ();
1132         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1133         cpu_load_label.set_markup (buf);
1134 }
1135
1136 void
1137 ARDOUR_UI::update_buffer_load ()
1138 {
1139         char buf[256];
1140
1141         uint32_t const playback = _session ? _session->playback_load () : 100;
1142         uint32_t const capture = _session ? _session->capture_load () : 100;
1143
1144         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1145            should also be changed.
1146         */
1147
1148         if (_session) {
1149                 snprintf (
1150                         buf, sizeof (buf),
1151                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1152                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1153                         playback <= 5 ? X_("red") : X_("green"),
1154                         playback,
1155                         capture <= 5 ? X_("red") : X_("green"),
1156                         capture
1157                         );
1158
1159                 buffer_load_label.set_markup (buf);
1160         } else {
1161                 buffer_load_label.set_text ("");
1162         }
1163 }
1164
1165 void
1166 ARDOUR_UI::count_recenabled_streams (Route& route)
1167 {
1168         Track* track = dynamic_cast<Track*>(&route);
1169         if (track && track->record_enabled()) {
1170                 rec_enabled_streams += track->n_inputs().n_total();
1171         }
1172 }
1173
1174 void
1175 ARDOUR_UI::update_disk_space()
1176 {
1177         if (_session == 0) {
1178                 return;
1179         }
1180
1181         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1182         char buf[64];
1183         framecnt_t fr = _session->frame_rate();
1184
1185         if (!opt_frames) {
1186                 /* Available space is unknown */
1187                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1188         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1189                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1190         } else {
1191                 rec_enabled_streams = 0;
1192                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1193
1194                 framecnt_t frames = opt_frames.get_value_or (0);
1195
1196                 if (rec_enabled_streams) {
1197                         frames /= rec_enabled_streams;
1198                 }
1199
1200                 int hrs;
1201                 int mins;
1202                 int secs;
1203
1204                 hrs  = frames / (fr * 3600);
1205
1206                 if (hrs > 24) {
1207                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1208                 } else {
1209                         frames -= hrs * fr * 3600;
1210                         mins = frames / (fr * 60);
1211                         frames -= mins * fr * 60;
1212                         secs = frames / fr;
1213
1214                         bool const low = (hrs == 0 && mins <= 30);
1215
1216                         snprintf (
1217                                 buf, sizeof(buf),
1218                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1219                                 low ? X_("red") : X_("green"),
1220                                 hrs, mins, secs
1221                                 );
1222                 }
1223         }
1224
1225         disk_space_label.set_markup (buf);
1226 }
1227
1228 void
1229 ARDOUR_UI::update_timecode_format ()
1230 {
1231         char buf[64];
1232
1233         if (_session) {
1234                 bool matching;
1235                 TimecodeSlave* tcslave;
1236                 SyncSource sync_src = Config->get_sync_source();
1237
1238                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1239                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1240                 } else {
1241                         matching = true;
1242                 }
1243
1244                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1245                           matching ? X_("green") : X_("red"),
1246                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1247         } else {
1248                 snprintf (buf, sizeof (buf), "TC: n/a");
1249         }
1250
1251         timecode_format_label.set_markup (buf);
1252 }
1253
1254 gint
1255 ARDOUR_UI::update_wall_clock ()
1256 {
1257         time_t now;
1258         struct tm *tm_now;
1259         static int last_min = -1;
1260
1261         time (&now);
1262         tm_now = localtime (&now);
1263         if (last_min != tm_now->tm_min) {
1264                 char buf[16];
1265                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1266                 wall_clock_label.set_text (buf);
1267                 last_min = tm_now->tm_min;
1268         }
1269
1270         return TRUE;
1271 }
1272
1273 void
1274 ARDOUR_UI::redisplay_recent_sessions ()
1275 {
1276         std::vector<std::string> session_directories;
1277         RecentSessionsSorter cmp;
1278
1279         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1280         recent_session_model->clear ();
1281
1282         ARDOUR::RecentSessions rs;
1283         ARDOUR::read_recent_sessions (rs);
1284
1285         if (rs.empty()) {
1286                 recent_session_display.set_model (recent_session_model);
1287                 return;
1288         }
1289
1290         // sort them alphabetically
1291         sort (rs.begin(), rs.end(), cmp);
1292
1293         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1294                 session_directories.push_back ((*i).second);
1295         }
1296
1297         for (vector<std::string>::const_iterator i = session_directories.begin();
1298                         i != session_directories.end(); ++i)
1299         {
1300                 std::vector<std::string> state_file_paths;
1301
1302                 // now get available states for this session
1303
1304                 get_state_files_in_directory (*i, state_file_paths);
1305
1306                 vector<string*>* states;
1307                 vector<const gchar*> item;
1308                 string fullpath = *i;
1309
1310                 /* remove any trailing / */
1311
1312                 if (fullpath[fullpath.length() - 1] == '/') {
1313                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1314                 }
1315
1316                 /* check whether session still exists */
1317                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1318                         /* session doesn't exist */
1319                         continue;
1320                 }
1321
1322                 /* now get available states for this session */
1323
1324                 if ((states = Session::possible_states (fullpath)) == 0) {
1325                         /* no state file? */
1326                         continue;
1327                 }
1328
1329                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1330
1331                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1332
1333                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1334                 row[recent_session_columns.fullpath] = fullpath;
1335                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1336
1337                 if (state_file_names.size() > 1) {
1338
1339                         // add the children
1340
1341                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1342                                         i2 != state_file_names.end(); ++i2)
1343                         {
1344
1345                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1346
1347                                 child_row[recent_session_columns.visible_name] = *i2;
1348                                 child_row[recent_session_columns.fullpath] = fullpath;
1349                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1350                         }
1351                 }
1352         }
1353
1354         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1355         recent_session_display.set_model (recent_session_model);
1356 }
1357
1358 void
1359 ARDOUR_UI::build_session_selector ()
1360 {
1361         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1362
1363         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1364
1365         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1366         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1367         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1368         recent_session_model = TreeStore::create (recent_session_columns);
1369         recent_session_display.set_model (recent_session_model);
1370         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1371         recent_session_display.set_headers_visible (false);
1372         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1373         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1374
1375         scroller->add (recent_session_display);
1376         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1377
1378         session_selector_window->set_name ("SessionSelectorWindow");
1379         session_selector_window->set_size_request (200, 400);
1380         session_selector_window->get_vbox()->pack_start (*scroller);
1381
1382         recent_session_display.show();
1383         scroller->show();
1384 }
1385
1386 void
1387 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1388 {
1389         session_selector_window->response (RESPONSE_ACCEPT);
1390 }
1391
1392 void
1393 ARDOUR_UI::open_recent_session ()
1394 {
1395         bool can_return = (_session != 0);
1396
1397         if (session_selector_window == 0) {
1398                 build_session_selector ();
1399         }
1400
1401         redisplay_recent_sessions ();
1402
1403         while (true) {
1404
1405                 ResponseType r = (ResponseType) session_selector_window->run ();
1406
1407                 switch (r) {
1408                 case RESPONSE_ACCEPT:
1409                         break;
1410                 default:
1411                         if (can_return) {
1412                                 session_selector_window->hide();
1413                                 return;
1414                         } else {
1415                                 exit (1);
1416                         }
1417                 }
1418
1419                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1420                         continue;
1421                 }
1422
1423                 session_selector_window->hide();
1424
1425                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1426
1427                 if (i == recent_session_model->children().end()) {
1428                         return;
1429                 }
1430
1431                 std::string path = (*i)[recent_session_columns.fullpath];
1432                 std::string state = (*i)[recent_session_columns.visible_name];
1433
1434                 _session_is_new = false;
1435
1436                 if (load_session (path, state) == 0) {
1437                         break;
1438                 }
1439
1440                 can_return = false;
1441         }
1442 }
1443
1444 bool
1445 ARDOUR_UI::check_audioengine ()
1446 {
1447         if (engine) {
1448                 if (!engine->connected()) {
1449                         MessageDialog msg (string_compose (
1450                                                    _("%1 is not connected to JACK\n"
1451                                                      "You cannot open or close sessions in this condition"),
1452                                                    PROGRAM_NAME));
1453                         pop_back_splash (msg);
1454                         msg.run ();
1455                         return false;
1456                 }
1457                 return true;
1458         } else {
1459                 return false;
1460         }
1461 }
1462
1463 void
1464 ARDOUR_UI::open_session ()
1465 {
1466         if (!check_audioengine()) {
1467                 return;
1468
1469         }
1470
1471         /* popup selector window */
1472
1473         if (open_session_selector == 0) {
1474
1475                 /* ardour sessions are folders */
1476
1477                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1478                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1479                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1480                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1481
1482                 if (_session) {
1483                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1484                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1485                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1486                         open_session_selector->set_current_folder(session_parent_dir);
1487                 } else {
1488                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1489                 }
1490
1491                 string default_session_folder = Config->get_default_session_parent_dir();
1492                 try {
1493                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1494                         open_session_selector->add_shortcut_folder (default_session_folder);
1495                 }
1496                 catch (Glib::Error & e) {
1497                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1498                 }
1499
1500                 FileFilter session_filter;
1501                 session_filter.add_pattern ("*.ardour");
1502                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1503                 open_session_selector->add_filter (session_filter);
1504                 open_session_selector->set_filter (session_filter);
1505         }
1506
1507         int response = open_session_selector->run();
1508         open_session_selector->hide ();
1509
1510         switch (response) {
1511         case RESPONSE_ACCEPT:
1512                 break;
1513         default:
1514                 open_session_selector->hide();
1515                 return;
1516         }
1517
1518         open_session_selector->hide();
1519         string session_path = open_session_selector->get_filename();
1520         string path, name;
1521         bool isnew;
1522
1523         if (session_path.length() > 0) {
1524                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1525                         _session_is_new = isnew;
1526                         load_session (path, name);
1527                 }
1528         }
1529 }
1530
1531
1532 void
1533 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1534                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1535 {
1536         list<boost::shared_ptr<MidiTrack> > tracks;
1537
1538         if (_session == 0) {
1539                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1540                 return;
1541         }
1542
1543         try {
1544                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1545
1546                 if (tracks.size() != how_many) {
1547                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1548                 }
1549         }
1550
1551         catch (...) {
1552                 MessageDialog msg (*editor,
1553                                    string_compose (_("There are insufficient JACK ports available\n\
1554 to create a new track or bus.\n\
1555 You should save %1, exit and\n\
1556 restart JACK with more ports."), PROGRAM_NAME));
1557                 msg.run ();
1558         }
1559 }
1560
1561
1562 void
1563 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1564 {
1565         ChanCount one_midi_channel;
1566         one_midi_channel.set (DataType::MIDI, 1);
1567
1568         if (disk) {
1569                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1570         }
1571 }
1572
1573 void
1574 ARDOUR_UI::session_add_audio_route (
1575         bool track,
1576         int32_t input_channels,
1577         int32_t output_channels,
1578         ARDOUR::TrackMode mode,
1579         RouteGroup* route_group,
1580         uint32_t how_many,
1581         string const & name_template
1582         )
1583 {
1584         list<boost::shared_ptr<AudioTrack> > tracks;
1585         RouteList routes;
1586
1587         if (_session == 0) {
1588                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1589                 return;
1590         }
1591
1592         try {
1593                 if (track) {
1594                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1595
1596                         if (tracks.size() != how_many) {
1597                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1598                                       << endmsg;
1599                         }
1600
1601                 } else {
1602
1603                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1604
1605                         if (routes.size() != how_many) {
1606                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1607                                       << endmsg;
1608                         }
1609                 }
1610         }
1611
1612         catch (...) {
1613                 MessageDialog msg (*editor,
1614                                    string_compose (_("There are insufficient JACK ports available\n\
1615 to create a new track or bus.\n\
1616 You should save %1, exit and\n\
1617 restart JACK with more ports."), PROGRAM_NAME));
1618                 pop_back_splash (msg);
1619                 msg.run ();
1620         }
1621 }
1622
1623 void
1624 ARDOUR_UI::transport_goto_start ()
1625 {
1626         if (_session) {
1627                 _session->goto_start();
1628
1629                 /* force displayed area in editor to start no matter
1630                    what "follow playhead" setting is.
1631                 */
1632
1633                 if (editor) {
1634                         editor->center_screen (_session->current_start_frame ());
1635                 }
1636         }
1637 }
1638
1639 void
1640 ARDOUR_UI::transport_goto_zero ()
1641 {
1642         if (_session) {
1643                 _session->request_locate (0);
1644
1645                 /* force displayed area in editor to start no matter
1646                    what "follow playhead" setting is.
1647                 */
1648
1649                 if (editor) {
1650                         editor->reset_x_origin (0);
1651                 }
1652         }
1653 }
1654
1655 void
1656 ARDOUR_UI::transport_goto_wallclock ()
1657 {
1658         if (_session && editor) {
1659
1660                 time_t now;
1661                 struct tm tmnow;
1662                 framepos_t frames;
1663
1664                 time (&now);
1665                 localtime_r (&now, &tmnow);
1666
1667                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1668                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1669                 frames += tmnow.tm_sec * _session->frame_rate();
1670
1671                 _session->request_locate (frames, _session->transport_rolling ());
1672
1673                 /* force displayed area in editor to start no matter
1674                    what "follow playhead" setting is.
1675                 */
1676
1677                 if (editor) {
1678                         editor->center_screen (frames);
1679                 }
1680         }
1681 }
1682
1683 void
1684 ARDOUR_UI::transport_goto_end ()
1685 {
1686         if (_session) {
1687                 framepos_t const frame = _session->current_end_frame();
1688                 _session->request_locate (frame);
1689
1690                 /* force displayed area in editor to start no matter
1691                    what "follow playhead" setting is.
1692                 */
1693
1694                 if (editor) {
1695                         editor->center_screen (frame);
1696                 }
1697         }
1698 }
1699
1700 void
1701 ARDOUR_UI::transport_stop ()
1702 {
1703         if (!_session) {
1704                 return;
1705         }
1706
1707         if (_session->is_auditioning()) {
1708                 _session->cancel_audition ();
1709                 return;
1710         }
1711
1712         _session->request_stop (false, true);
1713 }
1714
1715 void
1716 ARDOUR_UI::transport_record (bool roll)
1717 {
1718
1719         if (_session) {
1720                 switch (_session->record_status()) {
1721                 case Session::Disabled:
1722                         if (_session->ntracks() == 0) {
1723                                 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."));
1724                                 msg.run ();
1725                                 return;
1726                         }
1727                         _session->maybe_enable_record ();
1728                         if (roll) {
1729                                 transport_roll ();
1730                         }
1731                         break;
1732                 case Session::Recording:
1733                         if (roll) {
1734                                 _session->request_stop();
1735                         } else {
1736                                 _session->disable_record (false, true);
1737                         }
1738                         break;
1739
1740                 case Session::Enabled:
1741                         _session->disable_record (false, true);
1742                 }
1743         }
1744 }
1745
1746 void
1747 ARDOUR_UI::transport_roll ()
1748 {
1749         if (!_session) {
1750                 return;
1751         }
1752
1753         if (_session->is_auditioning()) {
1754                 return;
1755         }
1756
1757 #if 0
1758         if (_session->config.get_external_sync()) {
1759                 switch (Config->get_sync_source()) {
1760                 case JACK:
1761                         break;
1762                 default:
1763                         /* transport controlled by the master */
1764                         return;
1765                 }
1766         }
1767 #endif
1768
1769         bool rolling = _session->transport_rolling();
1770
1771         if (_session->get_play_loop()) {
1772                 /* XXX it is not possible to just leave seamless loop and keep
1773                    playing at present (nov 4th 2009)
1774                 */
1775                 if (!Config->get_seamless_loop()) {
1776                         _session->request_play_loop (false, true);
1777                 }
1778         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1779                 /* stop playing a range if we currently are */
1780                 _session->request_play_range (0, true);
1781         }
1782
1783         if (!rolling) {
1784                 _session->request_transport_speed (1.0f);
1785         }
1786 }
1787
1788 bool
1789 ARDOUR_UI::get_smart_mode() const
1790 {
1791         return ( editor->get_smart_mode() );
1792 }
1793
1794
1795 void
1796 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1797 {
1798
1799         if (!_session) {
1800                 return;
1801         }
1802
1803         if (_session->is_auditioning()) {
1804                 _session->cancel_audition ();
1805                 return;
1806         }
1807
1808         if (_session->config.get_external_sync()) {
1809                 switch (Config->get_sync_source()) {
1810                 case JACK:
1811                         break;
1812                 default:
1813                         /* transport controlled by the master */
1814                         return;
1815                 }
1816         }
1817
1818         bool rolling = _session->transport_rolling();
1819         bool affect_transport = true;
1820
1821         if (rolling && roll_out_of_bounded_mode) {
1822                 /* drop out of loop/range playback but leave transport rolling */
1823                 if (_session->get_play_loop()) {
1824                         if (Config->get_seamless_loop()) {
1825                                 /* the disk buffers contain copies of the loop - we can't
1826                                    just keep playing, so stop the transport. the user
1827                                    can restart as they wish.
1828                                 */
1829                                 affect_transport = true;
1830                         } else {
1831                                 /* disk buffers are normal, so we can keep playing */
1832                                 affect_transport = false;
1833                         }
1834                         _session->request_play_loop (false, true);
1835                 } else if (_session->get_play_range ()) {
1836                         affect_transport = false;
1837                         _session->request_play_range (0, true);
1838                 }
1839         }
1840
1841         if (affect_transport) {
1842                 if (rolling) {
1843                         _session->request_stop (with_abort, true);
1844                 } else {
1845                         if ( Config->get_always_play_range() ) {
1846                                 _session->request_play_range (&editor->get_selection().time, true);
1847                         }
1848
1849                         _session->request_transport_speed (1.0f);
1850                 }
1851         }
1852 }
1853
1854 void
1855 ARDOUR_UI::toggle_session_auto_loop ()
1856 {
1857         Location * looploc = _session->locations()->auto_loop_location();
1858
1859         if (!_session || !looploc) {
1860                 return;
1861         }
1862
1863         if (_session->get_play_loop()) {
1864
1865                 if (_session->transport_rolling()) {
1866
1867                         _session->request_locate (looploc->start(), true);
1868                         _session->request_play_loop (false);
1869
1870                 } else {
1871                         _session->request_play_loop (false);
1872                 }
1873         } else {
1874                 _session->request_play_loop (true);
1875         }
1876
1877         //show the loop markers
1878         looploc->set_hidden (false, this);
1879 }
1880
1881 void
1882 ARDOUR_UI::transport_play_selection ()
1883 {
1884         if (!_session) {
1885                 return;
1886         }
1887
1888         editor->play_selection ();
1889 }
1890
1891 void
1892 ARDOUR_UI::transport_play_preroll ()
1893 {
1894         if (!_session) {
1895                 return;
1896         }
1897         editor->play_with_preroll ();
1898 }
1899
1900 void
1901 ARDOUR_UI::transport_rewind (int option)
1902 {
1903         float current_transport_speed;
1904
1905         if (_session) {
1906                 current_transport_speed = _session->transport_speed();
1907
1908                 if (current_transport_speed >= 0.0f) {
1909                         switch (option) {
1910                         case 0:
1911                                 _session->request_transport_speed (-1.0f);
1912                                 break;
1913                         case 1:
1914                                 _session->request_transport_speed (-4.0f);
1915                                 break;
1916                         case -1:
1917                                 _session->request_transport_speed (-0.5f);
1918                                 break;
1919                         }
1920                 } else {
1921                         /* speed up */
1922                         _session->request_transport_speed (current_transport_speed * 1.5f);
1923                 }
1924         }
1925 }
1926
1927 void
1928 ARDOUR_UI::transport_forward (int option)
1929 {
1930         if (!_session) {
1931                 return;
1932         }
1933
1934         float current_transport_speed = _session->transport_speed();
1935
1936         if (current_transport_speed <= 0.0f) {
1937                 switch (option) {
1938                 case 0:
1939                         _session->request_transport_speed (1.0f);
1940                         break;
1941                 case 1:
1942                         _session->request_transport_speed (4.0f);
1943                         break;
1944                 case -1:
1945                         _session->request_transport_speed (0.5f);
1946                         break;
1947                 }
1948         } else {
1949                 /* speed up */
1950                 _session->request_transport_speed (current_transport_speed * 1.5f);
1951         }
1952 }
1953
1954 void
1955 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1956 {
1957         if (!_session) {
1958                 return;
1959         }
1960
1961         boost::shared_ptr<Route> r;
1962
1963         if ((r = _session->route_by_remote_id (rid)) != 0) {
1964
1965                 Track* t;
1966
1967                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1968                         t->set_record_enabled (!t->record_enabled(), this);
1969                 }
1970         }
1971 }
1972
1973 void
1974 ARDOUR_UI::map_transport_state ()
1975 {
1976         if (!_session) {
1977                 auto_loop_button.unset_active_state ();
1978                 play_selection_button.unset_active_state ();
1979                 roll_button.unset_active_state ();
1980                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1981                 return;
1982         }
1983
1984         shuttle_box->map_transport_state ();
1985
1986         float sp = _session->transport_speed();
1987
1988         if (sp != 0.0f) {
1989
1990                 /* we're rolling */
1991
1992                 if (_session->get_play_range()) {
1993
1994                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1995                         roll_button.unset_active_state ();
1996                         auto_loop_button.unset_active_state ();
1997
1998                 } else if (_session->get_play_loop ()) {
1999
2000                         auto_loop_button.set_active (true);
2001                         play_selection_button.set_active (false);
2002                         roll_button.set_active (false);
2003
2004                 } else {
2005
2006                         roll_button.set_active (true);
2007                         play_selection_button.set_active (false);
2008                         auto_loop_button.set_active (false);
2009                 }
2010
2011                 if (Config->get_always_play_range()) {
2012                         /* light up both roll and play-selection if they are joined */
2013                         roll_button.set_active (true);
2014                         play_selection_button.set_active (true);
2015                 }
2016
2017                 stop_button.set_active (false);
2018
2019         } else {
2020
2021                 stop_button.set_active (true);
2022                 roll_button.set_active (false);
2023                 play_selection_button.set_active (false);
2024                 auto_loop_button.set_active (false);
2025                 update_disk_space ();
2026         }
2027 }
2028
2029 void
2030 ARDOUR_UI::engine_stopped ()
2031 {
2032         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2033         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2034         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2035 }
2036
2037 void
2038 ARDOUR_UI::engine_running ()
2039 {
2040         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2041         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2042         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2043
2044         Glib::RefPtr<Action> action;
2045         const char* action_name = 0;
2046
2047         switch (engine->frames_per_cycle()) {
2048         case 32:
2049                 action_name = X_("JACKLatency32");
2050                 break;
2051         case 64:
2052                 action_name = X_("JACKLatency64");
2053                 break;
2054         case 128:
2055                 action_name = X_("JACKLatency128");
2056                 break;
2057         case 512:
2058                 action_name = X_("JACKLatency512");
2059                 break;
2060         case 1024:
2061                 action_name = X_("JACKLatency1024");
2062                 break;
2063         case 2048:
2064                 action_name = X_("JACKLatency2048");
2065                 break;
2066         case 4096:
2067                 action_name = X_("JACKLatency4096");
2068                 break;
2069         case 8192:
2070                 action_name = X_("JACKLatency8192");
2071                 break;
2072         default:
2073                 /* XXX can we do anything useful ? */
2074                 break;
2075         }
2076
2077         if (action_name) {
2078
2079                 action = ActionManager::get_action (X_("JACK"), action_name);
2080
2081                 if (action) {
2082                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2083                         ract->set_active ();
2084                 }
2085         }
2086 }
2087
2088 void
2089 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2090 {
2091         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2092                 /* we can't rely on the original string continuing to exist when we are called
2093                    again in the GUI thread, so make a copy and note that we need to
2094                    free it later.
2095                 */
2096                 char *copy = strdup (reason);
2097                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2098                 return;
2099         }
2100
2101         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2102         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2103
2104         update_sample_rate (0);
2105
2106         string msgstr;
2107
2108         /* if the reason is a non-empty string, it means that the backend was shutdown
2109            rather than just Ardour.
2110         */
2111
2112         if (strlen (reason)) {
2113                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2114         } else {
2115                 msgstr = string_compose (_("\
2116 JACK has either been shutdown or it\n\
2117 disconnected %1 because %1\n\
2118 was not fast enough. Try to restart\n\
2119 JACK, reconnect and save the session."), PROGRAM_NAME);
2120         }
2121
2122         MessageDialog msg (*editor, msgstr);
2123         pop_back_splash (msg);
2124         msg.set_keep_above (true);
2125         msg.run ();
2126
2127         if (free_reason) {
2128                 free (const_cast<char*> (reason));
2129         }
2130 }
2131
2132 int32_t
2133 ARDOUR_UI::do_engine_start ()
2134 {
2135         try {
2136                 engine->start();
2137         }
2138
2139         catch (...) {
2140                 engine->stop ();
2141                 error << _("Unable to start the session running")
2142                       << endmsg;
2143                 unload_session ();
2144                 return -2;
2145         }
2146
2147         return 0;
2148 }
2149
2150 void
2151 ARDOUR_UI::update_clocks ()
2152 {
2153         if (!editor || !editor->dragging_playhead()) {
2154                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2155         }
2156 }
2157
2158 void
2159 ARDOUR_UI::start_clocking ()
2160 {
2161         if (Config->get_super_rapid_clock_update()) {
2162                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2163         } else {
2164                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2165         }
2166 }
2167
2168 void
2169 ARDOUR_UI::stop_clocking ()
2170 {
2171         clock_signal_connection.disconnect ();
2172 }
2173
2174 gint
2175 ARDOUR_UI::_blink (void *arg)
2176 {
2177         ((ARDOUR_UI *) arg)->blink ();
2178         return TRUE;
2179 }
2180
2181 void
2182 ARDOUR_UI::blink ()
2183 {
2184         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2185 }
2186
2187 void
2188 ARDOUR_UI::start_blinking ()
2189 {
2190         /* Start the blink signal. Everybody with a blinking widget
2191            uses Blink to drive the widget's state.
2192         */
2193
2194         if (blink_timeout_tag < 0) {
2195                 blink_on = false;
2196                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2197         }
2198 }
2199
2200 void
2201 ARDOUR_UI::stop_blinking ()
2202 {
2203         if (blink_timeout_tag >= 0) {
2204                 g_source_remove (blink_timeout_tag);
2205                 blink_timeout_tag = -1;
2206         }
2207 }
2208
2209
2210 /** Ask the user for the name of a new snapshot and then take it.
2211  */
2212
2213 void
2214 ARDOUR_UI::snapshot_session (bool switch_to_it)
2215 {
2216         ArdourPrompter prompter (true);
2217         string snapname;
2218
2219         prompter.set_name ("Prompter");
2220         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2221         prompter.set_title (_("Take Snapshot"));
2222         prompter.set_prompt (_("Name of new snapshot"));
2223
2224         if (!switch_to_it) {
2225                 char timebuf[128];
2226                 time_t n;
2227                 struct tm local_time;
2228
2229                 time (&n);
2230                 localtime_r (&n, &local_time);
2231                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2232                 prompter.set_initial_text (timebuf);
2233         }
2234
2235   again:
2236         switch (prompter.run()) {
2237         case RESPONSE_ACCEPT:
2238         {
2239                 prompter.get_result (snapname);
2240
2241                 bool do_save = (snapname.length() != 0);
2242
2243                 if (do_save) {
2244                         char illegal = Session::session_name_is_legal(snapname);
2245                         if (illegal) {
2246                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2247                                                      "snapshot names may not contain a '%1' character"), illegal));
2248                                 msg.run ();
2249                                 goto again;
2250                         }
2251                 }
2252
2253                 vector<std::string> p;
2254                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2255                 vector<string> n = get_file_names_no_extension (p);
2256                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2257
2258                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2259                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2260                         confirm.get_vbox()->pack_start (m, true, true);
2261                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2262                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2263                         confirm.show_all ();
2264                         switch (confirm.run()) {
2265                         case RESPONSE_CANCEL:
2266                                 do_save = false;
2267                         }
2268                 }
2269
2270                 if (do_save) {
2271                         save_state (snapname, switch_to_it);
2272                 }
2273                 break;
2274         }
2275
2276         default:
2277                 break;
2278         }
2279 }
2280
2281 /** Ask the user for a new session name and then rename the session to it.
2282  */
2283
2284 void
2285 ARDOUR_UI::rename_session ()
2286 {
2287         if (!_session) {
2288                 return;
2289         }
2290
2291         ArdourPrompter prompter (true);
2292         string name;
2293
2294         prompter.set_name ("Prompter");
2295         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2296         prompter.set_title (_("Rename Session"));
2297         prompter.set_prompt (_("New session name"));
2298
2299   again:
2300         switch (prompter.run()) {
2301         case RESPONSE_ACCEPT:
2302         {
2303                 prompter.get_result (name);
2304
2305                 bool do_rename = (name.length() != 0);
2306
2307                 if (do_rename) {
2308                         char illegal = Session::session_name_is_legal (name);
2309
2310                         if (illegal) {
2311                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2312                                                                      "session names may not contain a '%1' character"), illegal));
2313                                 msg.run ();
2314                                 goto again;
2315                         }
2316
2317                         switch (_session->rename (name)) {
2318                         case -1: {
2319                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2320                                 msg.set_position (WIN_POS_MOUSE);
2321                                 msg.run ();
2322                                 goto again;
2323                                 break;
2324                         }
2325                         case 0:
2326                                 break;
2327                         default: {
2328                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2329                                 msg.set_position (WIN_POS_MOUSE);
2330                                 msg.run ();
2331                                 break;
2332                         }
2333                         }
2334                 }
2335
2336                 break;
2337         }
2338
2339         default:
2340                 break;
2341         }
2342 }
2343
2344 void
2345 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2346 {
2347         XMLNode* node = new XMLNode (X_("UI"));
2348
2349         WM::Manager::instance().add_state (*node);
2350
2351         node->add_child_nocopy (gui_object_state->get_state());
2352
2353         _session->add_extra_xml (*node);
2354
2355         save_state_canfail (name, switch_to_it);
2356 }
2357
2358 int
2359 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2360 {
2361         if (_session) {
2362                 int ret;
2363
2364                 if (name.length() == 0) {
2365                         name = _session->snap_name();
2366                 }
2367
2368                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2369                         return ret;
2370                 }
2371         }
2372
2373         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2374         return 0;
2375 }
2376
2377 void
2378 ARDOUR_UI::primary_clock_value_changed ()
2379 {
2380         if (_session) {
2381                 _session->request_locate (primary_clock->current_time ());
2382         }
2383 }
2384
2385 void
2386 ARDOUR_UI::big_clock_value_changed ()
2387 {
2388         if (_session) {
2389                 _session->request_locate (big_clock->current_time ());
2390         }
2391 }
2392
2393 void
2394 ARDOUR_UI::secondary_clock_value_changed ()
2395 {
2396         if (_session) {
2397                 _session->request_locate (secondary_clock->current_time ());
2398         }
2399 }
2400
2401 void
2402 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2403 {
2404         if (_session == 0) {
2405                 return;
2406         }
2407
2408         if (_session->step_editing()) {
2409                 return;
2410         }
2411
2412         Session::RecordState const r = _session->record_status ();
2413         bool const h = _session->have_rec_enabled_track ();
2414
2415         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2416                 if (onoff) {
2417                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2418                 } else {
2419                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2420                 }
2421         } else if (r == Session::Recording && h) {
2422                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2423         } else {
2424                 rec_button.unset_active_state ();
2425         }
2426 }
2427
2428 void
2429 ARDOUR_UI::save_template ()
2430 {
2431         ArdourPrompter prompter (true);
2432         string name;
2433
2434         if (!check_audioengine()) {
2435                 return;
2436         }
2437
2438         prompter.set_name (X_("Prompter"));
2439         prompter.set_title (_("Save Template"));
2440         prompter.set_prompt (_("Name for template:"));
2441         prompter.set_initial_text(_session->name() + _("-template"));
2442         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2443
2444         switch (prompter.run()) {
2445         case RESPONSE_ACCEPT:
2446                 prompter.get_result (name);
2447
2448                 if (name.length()) {
2449                         _session->save_template (name);
2450                 }
2451                 break;
2452
2453         default:
2454                 break;
2455         }
2456 }
2457
2458 void
2459 ARDOUR_UI::edit_metadata ()
2460 {
2461         SessionMetadataEditor dialog;
2462         dialog.set_session (_session);
2463         editor->ensure_float (dialog);
2464         dialog.run ();
2465 }
2466
2467 void
2468 ARDOUR_UI::import_metadata ()
2469 {
2470         SessionMetadataImporter dialog;
2471         dialog.set_session (_session);
2472         editor->ensure_float (dialog);
2473         dialog.run ();
2474 }
2475
2476 bool
2477 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2478 {
2479         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2480
2481         MessageDialog msg (str,
2482                            false,
2483                            Gtk::MESSAGE_WARNING,
2484                            Gtk::BUTTONS_YES_NO,
2485                            true);
2486
2487
2488         msg.set_name (X_("OpenExistingDialog"));
2489         msg.set_title (_("Open Existing Session"));
2490         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2491         msg.set_position (Gtk::WIN_POS_MOUSE);
2492         pop_back_splash (msg);
2493
2494         switch (msg.run()) {
2495         case RESPONSE_YES:
2496                 return true;
2497                 break;
2498         }
2499         return false;
2500 }
2501
2502 int
2503 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2504 {
2505         BusProfile bus_profile;
2506
2507         if (nsm || Profile->get_sae()) {
2508
2509                 bus_profile.master_out_channels = 2;
2510                 bus_profile.input_ac = AutoConnectPhysical;
2511                 bus_profile.output_ac = AutoConnectMaster;
2512                 bus_profile.requested_physical_in = 0; // use all available
2513                 bus_profile.requested_physical_out = 0; // use all available
2514
2515         } else {
2516
2517                 /* get settings from advanced section of NSD */
2518
2519                 if (_startup->create_master_bus()) {
2520                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2521                 } else {
2522                         bus_profile.master_out_channels = 0;
2523                 }
2524
2525                 if (_startup->connect_inputs()) {
2526                         bus_profile.input_ac = AutoConnectPhysical;
2527                 } else {
2528                         bus_profile.input_ac = AutoConnectOption (0);
2529                 }
2530
2531                 bus_profile.output_ac = AutoConnectOption (0);
2532
2533                 if (_startup->connect_outputs ()) {
2534                         if (_startup->connect_outs_to_master()) {
2535                                 bus_profile.output_ac = AutoConnectMaster;
2536                         } else if (_startup->connect_outs_to_physical()) {
2537                                 bus_profile.output_ac = AutoConnectPhysical;
2538                         }
2539                 }
2540
2541                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2542                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2543         }
2544
2545         if (build_session (session_path, session_name, bus_profile)) {
2546                 return -1;
2547         }
2548
2549         return 0;
2550 }
2551
2552 void
2553 ARDOUR_UI::idle_load (const std::string& path)
2554 {
2555         if (_session) {
2556                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2557                         /* /path/to/foo => /path/to/foo, foo */
2558                         load_session (path, basename_nosuffix (path));
2559                 } else {
2560                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2561                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2562                 }
2563
2564         } else {
2565                 ARDOUR_COMMAND_LINE::session_name = path;
2566         }
2567 }
2568
2569 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2570 int
2571 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2572 {
2573         string session_name;
2574         string session_path;
2575         string template_name;
2576         int ret = -1;
2577         bool likely_new = false;
2578
2579         /* deal with any existing DIRTY session now, rather than later. don't
2580          * treat a non-dirty session this way, so that it stays visible
2581          * as we bring up the new session dialog.
2582          */
2583
2584         if (_session && ARDOUR_UI::instance()->video_timeline) {
2585                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2586         }
2587
2588         if (_session && _session->dirty()) {
2589                 if (unload_session (false)) {
2590                         /* unload cancelled by user */
2591                         return 0;
2592                 }
2593                 ARDOUR_COMMAND_LINE::session_name = "";
2594         }
2595
2596         if (!load_template.empty()) {
2597                 should_be_new = true;
2598                 template_name = load_template;
2599         }
2600
2601         while (ret != 0) {
2602
2603                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2604
2605                         /* if they named a specific statefile, use it, otherwise they are
2606                            just giving a session folder, and we want to use it as is
2607                            to find the session.
2608                         */
2609
2610                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2611
2612                         if (suffix != string::npos) {
2613                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2614                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2615                                 session_name = Glib::path_get_basename (session_name);
2616                         } else {
2617                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2618                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2619                         }
2620                 } else {
2621                         session_path = "";
2622                         session_name = "";
2623                 }
2624
2625                 delete _startup;
2626                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2627
2628                 if (!_startup->ready_without_display()) {
2629                         _startup->present ();
2630                         main().run();
2631                         _startup->hide ();
2632                 }
2633
2634                 switch (_startup->response()) {
2635                 case RESPONSE_OK:
2636                         break;
2637                 default:
2638                         if (quit_on_cancel) {
2639                                 exit (1);
2640                         } else {
2641                                 return ret;
2642                         }
2643                 }
2644
2645                 /* if we run the startup dialog again, offer more than just "new session" */
2646
2647                 should_be_new = false;
2648
2649                 session_name = _startup->session_name (likely_new);
2650
2651                 if (nsm) {
2652                         likely_new = true;
2653                 }
2654
2655                 string::size_type suffix = session_name.find (statefile_suffix);
2656
2657                 if (suffix != string::npos) {
2658                         session_name = session_name.substr (0, suffix);
2659                 }
2660
2661                 /* this shouldn't happen, but we catch it just in case it does */
2662
2663                 if (session_name.empty()) {
2664                         continue;
2665                 }
2666
2667                 if (_startup->use_session_template()) {
2668                         template_name = _startup->session_template_name();
2669                         _session_is_new = true;
2670                 }
2671
2672                 if (session_name[0] == G_DIR_SEPARATOR ||
2673                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2674                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2675
2676                         /* absolute path or cwd-relative path specified for session name: infer session folder
2677                            from what was given.
2678                         */
2679
2680                         session_path = Glib::path_get_dirname (session_name);
2681                         session_name = Glib::path_get_basename (session_name);
2682
2683                 } else {
2684
2685                         session_path = _startup->session_folder();
2686
2687                         char illegal = Session::session_name_is_legal (session_name);
2688
2689                         if (illegal) {
2690                                 MessageDialog msg (*_startup,
2691                                                    string_compose (_("To ensure compatibility with various systems\n"
2692                                                                      "session names may not contain a '%1' character"),
2693                                                                    illegal));
2694                                 msg.run ();
2695                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2696                                 continue;
2697                         }
2698                 }
2699
2700                 if (create_engine ()) {
2701                         break;
2702                 }
2703
2704                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2705
2706                         if (likely_new && !nsm) {
2707
2708                                 std::string existing = Glib::build_filename (session_path, session_name);
2709
2710                                 if (!ask_about_loading_existing_session (existing)) {
2711                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2712                                         continue;
2713                                 }
2714                         }
2715
2716                         _session_is_new = false;
2717
2718                 } else {
2719
2720                         if (!likely_new) {
2721                                 if (_startup) {
2722                                         pop_back_splash (*_startup);
2723                                 } else {
2724                                         hide_splash ();
2725                                 }
2726
2727                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2728                                 msg.run ();
2729                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2730                                 continue;
2731                         }
2732
2733                         char illegal = Session::session_name_is_legal(session_name);
2734                         if (illegal) {
2735                                 pop_back_splash (*_startup);
2736                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2737                                                      "session names may not contain a '%1' character"), illegal));
2738                                 msg.run ();
2739                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2740                                 continue;
2741                         }
2742
2743                         _session_is_new = true;
2744                 }
2745
2746                 if (likely_new && template_name.empty()) {
2747
2748                         ret = build_session_from_nsd (session_path, session_name);
2749
2750                 } else {
2751
2752                         ret = load_session (session_path, session_name, template_name);
2753
2754                         if (ret == -2) {
2755                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2756                                 exit (1);
2757                         }
2758
2759                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2760                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2761                                 exit (1);
2762                         }
2763                 }
2764         }
2765
2766         return ret;
2767 }
2768
2769 void
2770 ARDOUR_UI::close_session()
2771 {
2772         if (!check_audioengine()) {
2773                 return;
2774         }
2775
2776         if (unload_session (true)) {
2777                 return;
2778         }
2779
2780         ARDOUR_COMMAND_LINE::session_name = "";
2781
2782         if (get_session_parameters (true, false)) {
2783                 exit (1);
2784         }
2785
2786         goto_editor_window ();
2787 }
2788
2789 /** @param snap_name Snapshot name (without .ardour suffix).
2790  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2791  */
2792 int
2793 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2794 {
2795         Session *new_session;
2796         int unload_status;
2797         int retval = -1;
2798
2799         session_loaded = false;
2800
2801         if (!check_audioengine()) {
2802                 return -2;
2803         }
2804
2805         unload_status = unload_session ();
2806
2807         if (unload_status < 0) {
2808                 goto out;
2809         } else if (unload_status > 0) {
2810                 retval = 0;
2811                 goto out;
2812         }
2813
2814         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2815
2816         try {
2817                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2818         }
2819
2820         /* this one is special */
2821
2822         catch (AudioEngine::PortRegistrationFailure& err) {
2823
2824                 MessageDialog msg (err.what(),
2825                                    true,
2826                                    Gtk::MESSAGE_INFO,
2827                                    Gtk::BUTTONS_CLOSE);
2828
2829                 msg.set_title (_("Port Registration Error"));
2830                 msg.set_secondary_text (_("Click the Close button to try again."));
2831                 msg.set_position (Gtk::WIN_POS_CENTER);
2832                 pop_back_splash (msg);
2833                 msg.present ();
2834
2835                 int response = msg.run ();
2836
2837                 msg.hide ();
2838
2839                 switch (response) {
2840                 case RESPONSE_CANCEL:
2841                         exit (1);
2842                 default:
2843                         break;
2844                 }
2845                 goto out;
2846         }
2847
2848         catch (...) {
2849
2850                 MessageDialog msg (string_compose(
2851                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2852                                            path, snap_name),
2853                                    true,
2854                                    Gtk::MESSAGE_INFO,
2855                                    BUTTONS_OK);
2856
2857                 msg.set_title (_("Loading Error"));
2858                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2859                 msg.add_button (Stock::REFRESH, 1);
2860                 msg.set_position (Gtk::WIN_POS_CENTER);
2861                 pop_back_splash (msg);
2862                 msg.present ();
2863
2864                 int response = msg.run ();
2865
2866                 switch (response) {
2867                 case 1:
2868                         break;
2869                 default:
2870                         exit (1);
2871                 }
2872
2873                 msg.hide ();
2874
2875                 goto out;
2876         }
2877
2878         {
2879                 list<string> const u = new_session->unknown_processors ();
2880                 if (!u.empty()) {
2881                         MissingPluginDialog d (_session, u);
2882                         d.run ();
2883                 }
2884         }
2885
2886         /* Now the session been created, add the transport controls */
2887         new_session->add_controllable(roll_controllable);
2888         new_session->add_controllable(stop_controllable);
2889         new_session->add_controllable(goto_start_controllable);
2890         new_session->add_controllable(goto_end_controllable);
2891         new_session->add_controllable(auto_loop_controllable);
2892         new_session->add_controllable(play_selection_controllable);
2893         new_session->add_controllable(rec_controllable);
2894
2895         set_session (new_session);
2896
2897         session_loaded = true;
2898
2899         goto_editor_window ();
2900
2901         if (_session) {
2902                 _session->set_clean ();
2903         }
2904
2905         flush_pending ();
2906         retval = 0;
2907
2908   out:
2909         return retval;
2910 }
2911
2912 int
2913 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2914 {
2915         Session *new_session;
2916         int x;
2917
2918         if (!check_audioengine()) {
2919                 return -1;
2920         }
2921
2922         session_loaded = false;
2923
2924         x = unload_session ();
2925
2926         if (x < 0) {
2927                 return -1;
2928         } else if (x > 0) {
2929                 return 0;
2930         }
2931
2932         _session_is_new = true;
2933
2934         try {
2935                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2936         }
2937
2938         catch (...) {
2939
2940                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2941                 pop_back_splash (msg);
2942                 msg.run ();
2943                 return -1;
2944         }
2945
2946         /* Give the new session the default GUI state, if such things exist */
2947
2948         XMLNode* n;
2949         n = Config->instant_xml (X_("Editor"));
2950         if (n) {
2951                 new_session->add_instant_xml (*n, false);
2952         }
2953         n = Config->instant_xml (X_("Mixer"));
2954         if (n) {
2955                 new_session->add_instant_xml (*n, false);
2956         }
2957
2958         /* Put the playhead at 0 and scroll fully left */
2959         n = new_session->instant_xml (X_("Editor"));
2960         if (n) {
2961                 n->add_property (X_("playhead"), X_("0"));
2962                 n->add_property (X_("left-frame"), X_("0"));
2963         }
2964
2965         set_session (new_session);
2966
2967         session_loaded = true;
2968
2969         new_session->save_state(new_session->name());
2970
2971         return 0;
2972 }
2973
2974 void
2975 ARDOUR_UI::launch_chat ()
2976 {
2977 #ifdef __APPLE__
2978         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2979 #else
2980         open_uri("http://webchat.freenode.net/?channels=ardour");
2981 #endif
2982 }
2983
2984 void
2985 ARDOUR_UI::launch_manual ()
2986 {
2987         PBD::open_uri (Config->get_tutorial_manual_url());
2988 }
2989
2990 void
2991 ARDOUR_UI::launch_reference ()
2992 {
2993         PBD::open_uri (Config->get_reference_manual_url());
2994 }
2995
2996 void
2997 ARDOUR_UI::loading_message (const std::string& msg)
2998 {
2999         if (ARDOUR_COMMAND_LINE::no_splash) {
3000                 return;
3001         }
3002
3003         if (!splash) {
3004                 show_splash ();
3005         }
3006
3007         splash->message (msg);
3008 }
3009
3010 void
3011 ARDOUR_UI::show_splash ()
3012 {
3013         if (splash == 0) {
3014                 try {
3015                         splash = new Splash;
3016                 } catch (...) {
3017                         return;
3018                 }
3019         }
3020
3021         splash->display ();
3022 }
3023
3024 void
3025 ARDOUR_UI::hide_splash ()
3026 {
3027         delete splash;
3028         splash = 0;
3029 }
3030
3031 void
3032 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3033 {
3034         size_t removed;
3035
3036         removed = rep.paths.size();
3037
3038         if (removed == 0) {
3039                 MessageDialog msgd (*editor,
3040                                     _("No files were ready for clean-up"),
3041                                     true,
3042                                     Gtk::MESSAGE_INFO,
3043                                     Gtk::BUTTONS_OK);
3044                 msgd.set_title (_("Clean-up"));
3045                 msgd.set_secondary_text (_("If this seems suprising, \n\
3046 check for any existing snapshots.\n\
3047 These may still include regions that\n\
3048 require some unused files to continue to exist."));
3049
3050                 msgd.run ();
3051                 return;
3052         }
3053
3054         ArdourDialog results (_("Clean-up"), true, false);
3055
3056         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3057             CleanupResultsModelColumns() {
3058                     add (visible_name);
3059                     add (fullpath);
3060             }
3061             Gtk::TreeModelColumn<std::string> visible_name;
3062             Gtk::TreeModelColumn<std::string> fullpath;
3063         };
3064
3065
3066         CleanupResultsModelColumns results_columns;
3067         Glib::RefPtr<Gtk::ListStore> results_model;
3068         Gtk::TreeView results_display;
3069
3070         results_model = ListStore::create (results_columns);
3071         results_display.set_model (results_model);
3072         results_display.append_column (list_title, results_columns.visible_name);
3073
3074         results_display.set_name ("CleanupResultsList");
3075         results_display.set_headers_visible (true);
3076         results_display.set_headers_clickable (false);
3077         results_display.set_reorderable (false);
3078
3079         Gtk::ScrolledWindow list_scroller;
3080         Gtk::Label txt;
3081         Gtk::VBox dvbox;
3082         Gtk::HBox dhbox;  // the hbox for the image and text
3083         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3084         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3085
3086         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3087
3088         const string dead_directory = _session->session_directory().dead_path();
3089
3090         /* subst:
3091            %1 - number of files removed
3092            %2 - location of "dead"
3093            %3 - size of files affected
3094            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3095         */
3096
3097         const char* bprefix;
3098         double space_adjusted = 0;
3099
3100         if (rep.space < 1000) {
3101                 bprefix = X_("");
3102                 space_adjusted = rep.space;
3103         } else if (rep.space < 1000000) {
3104                 bprefix = _("kilo");
3105                 space_adjusted = truncf((float)rep.space / 1000.0);
3106         } else if (rep.space < 1000000 * 1000) {
3107                 bprefix = _("mega");
3108                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3109         } else {
3110                 bprefix = _("giga");
3111                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3112         }
3113
3114         if (msg_delete) {
3115                 txt.set_markup (string_compose (P_("\
3116 The following file was deleted from %2,\n\
3117 releasing %3 %4bytes of disk space", "\
3118 The following %1 files were deleted from %2,\n\
3119 releasing %3 %4bytes of disk space", removed),
3120                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3121         } else {
3122                 txt.set_markup (string_compose (P_("\
3123 The following file was not in use and \n\
3124 has been moved to: %2\n\n\
3125 After a restart of %5\n\n\
3126 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3127 will release an additional %3 %4bytes of disk space.\n", "\
3128 The following %1 files were not in use and \n\
3129 have been moved to: %2\n\n\
3130 After a restart of %5\n\n\
3131 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3132 will release an additional %3 %4bytes of disk space.\n", removed),
3133                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3134         }
3135
3136         dhbox.pack_start (*dimage, true, false, 5);
3137         dhbox.pack_start (txt, true, false, 5);
3138
3139         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3140                 TreeModel::Row row = *(results_model->append());
3141                 row[results_columns.visible_name] = *i;
3142                 row[results_columns.fullpath] = *i;
3143         }
3144
3145         list_scroller.add (results_display);
3146         list_scroller.set_size_request (-1, 150);
3147         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3148
3149         dvbox.pack_start (dhbox, true, false, 5);
3150         dvbox.pack_start (list_scroller, true, false, 5);
3151         ddhbox.pack_start (dvbox, true, false, 5);
3152
3153         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3154         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3155         results.set_default_response (RESPONSE_CLOSE);
3156         results.set_position (Gtk::WIN_POS_MOUSE);
3157
3158         results_display.show();
3159         list_scroller.show();
3160         txt.show();
3161         dvbox.show();
3162         dhbox.show();
3163         ddhbox.show();
3164         dimage->show();
3165
3166         //results.get_vbox()->show();
3167         results.set_resizable (false);
3168
3169         results.run ();
3170
3171 }
3172
3173 void
3174 ARDOUR_UI::cleanup ()
3175 {
3176         if (_session == 0) {
3177                 /* shouldn't happen: menu item is insensitive */
3178                 return;
3179         }
3180
3181
3182         MessageDialog checker (_("Are you sure you want to clean-up?"),
3183                                 true,
3184                                 Gtk::MESSAGE_QUESTION,
3185                                 Gtk::BUTTONS_NONE);
3186
3187         checker.set_title (_("Clean-up"));
3188
3189         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3190 ALL undo/redo information will be lost if you clean-up.\n\
3191 Clean-up will move all unused files to a \"dead\" location."));
3192
3193         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3194         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3195         checker.set_default_response (RESPONSE_CANCEL);
3196
3197         checker.set_name (_("CleanupDialog"));
3198         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3199         checker.set_position (Gtk::WIN_POS_MOUSE);
3200
3201         switch (checker.run()) {
3202         case RESPONSE_ACCEPT:
3203                 break;
3204         default:
3205                 return;
3206         }
3207
3208         ARDOUR::CleanupReport rep;
3209
3210         editor->prepare_for_cleanup ();
3211
3212         /* do not allow flush until a session is reloaded */
3213
3214         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3215         if (act) {
3216                 act->set_sensitive (false);
3217         }
3218
3219         if (_session->cleanup_sources (rep)) {
3220                 editor->finish_cleanup ();
3221                 return;
3222         }
3223
3224         editor->finish_cleanup ();
3225
3226         checker.hide();
3227         display_cleanup_results (rep, _("Cleaned Files"), false);
3228 }
3229
3230 void
3231 ARDOUR_UI::flush_trash ()
3232 {
3233         if (_session == 0) {
3234                 /* shouldn't happen: menu item is insensitive */
3235                 return;
3236         }
3237
3238         ARDOUR::CleanupReport rep;
3239
3240         if (_session->cleanup_trash_sources (rep)) {
3241                 return;
3242         }
3243
3244         display_cleanup_results (rep, _("deleted file"), true);
3245 }
3246
3247 void
3248 ARDOUR_UI::add_route (Gtk::Window* float_window)
3249 {
3250         int count;
3251
3252         if (!_session) {
3253                 return;
3254         }
3255
3256         if (add_route_dialog->is_visible()) {
3257                 /* we're already doing this */
3258                 return;
3259         }
3260
3261         if (float_window) {
3262                 add_route_dialog->set_transient_for (*float_window);
3263         }
3264
3265         ResponseType r = (ResponseType) add_route_dialog->run ();
3266
3267         add_route_dialog->hide();
3268
3269         switch (r) {
3270                 case RESPONSE_ACCEPT:
3271                         break;
3272                 default:
3273                         return;
3274                         break;
3275         }
3276
3277         if ((count = add_route_dialog->count()) <= 0) {
3278                 return;
3279         }
3280
3281         PBD::ScopedConnection idle_connection;
3282
3283         if (count > 8) {
3284                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3285         }
3286
3287         string template_path = add_route_dialog->track_template();
3288
3289         if (!template_path.empty()) {
3290                 if (add_route_dialog->name_template_is_default())  {
3291                         _session->new_route_from_template (count, template_path, string());
3292                 } else {
3293                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3294                 }
3295                 return;
3296         }
3297
3298         ChanCount input_chan= add_route_dialog->channels ();
3299         ChanCount output_chan;
3300         string name_template = add_route_dialog->name_template ();
3301         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3302         RouteGroup* route_group = add_route_dialog->route_group ();
3303         AutoConnectOption oac = Config->get_output_auto_connect();
3304
3305         if (oac & AutoConnectMaster) {
3306                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3307                 output_chan.set (DataType::MIDI, 0);
3308         } else {
3309                 output_chan = input_chan;
3310         }
3311
3312         /* XXX do something with name template */
3313
3314         switch (add_route_dialog->type_wanted()) {
3315         case AddRouteDialog::AudioTrack:
3316                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3317                 break;
3318         case AddRouteDialog::MidiTrack:
3319                 session_add_midi_track (route_group, count, name_template, instrument);
3320                 break;
3321         case AddRouteDialog::MixedTrack:
3322                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3323                 break;
3324         case AddRouteDialog::AudioBus:
3325                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3326                 break;
3327         }
3328
3329         /* idle connection will end at scope end */
3330 }
3331
3332 void
3333 ARDOUR_UI::stop_video_server (bool ask_confirm)
3334 {
3335         if (!video_server_process && ask_confirm) {
3336                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3337         }
3338         if (video_server_process) {
3339                 if(ask_confirm) {
3340                         ArdourDialog confirm (_("Stop Video-Server"), true);
3341                         Label m (_("Do you really want to stop the Video Server?"));
3342                         confirm.get_vbox()->pack_start (m, true, true);
3343                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3344                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3345                         confirm.show_all ();
3346                         if (confirm.run() == RESPONSE_CANCEL) {
3347                                 return;
3348                         }
3349                 }
3350                 delete video_server_process;
3351                 video_server_process =0;
3352         }
3353 }
3354
3355 void
3356 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3357 {
3358   ARDOUR_UI::start_video_server( float_window, true);
3359 }
3360
3361 bool
3362 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3363 {
3364         if (!_session) {
3365                 return false;
3366         }
3367         if (popup_msg) {
3368                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3369                         if (video_server_process) {
3370                                 popup_error(_("The Video Server is already started."));
3371                         } else {
3372                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3373                         }
3374                 }
3375         }
3376
3377         int firsttime = 0;
3378         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3379                 if (firsttime++) {
3380                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3381                 }
3382                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3383                 if (float_window) {
3384                         video_server_dialog->set_transient_for (*float_window);
3385                 }
3386
3387                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3388                         video_server_dialog->hide();
3389                 } else {
3390                         ResponseType r = (ResponseType) video_server_dialog->run ();
3391                         video_server_dialog->hide();
3392                         if (r != RESPONSE_ACCEPT) { return false; }
3393                         if (video_server_dialog->show_again()) {
3394                                 Config->set_show_video_server_dialog(false);
3395                         }
3396                 }
3397
3398                 std::string icsd_exec = video_server_dialog->get_exec_path();
3399                 std::string icsd_docroot = video_server_dialog->get_docroot();
3400                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3401
3402                 struct stat sb;
3403                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3404                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3405                         continue;
3406                 }
3407                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3408                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3409                         warning << _("Given Video Server is not an executable file.") << endmsg;
3410                         continue;
3411                 }
3412
3413                 char **argp;
3414                 argp=(char**) calloc(9,sizeof(char*));
3415                 argp[0] = strdup(icsd_exec.c_str());
3416                 argp[1] = strdup("-P");
3417                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3418                 argp[3] = strdup("-p");
3419                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3420                 argp[5] = strdup("-C");
3421                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3422                 argp[7] = strdup(icsd_docroot.c_str());
3423                 argp[8] = 0;
3424                 stop_video_server();
3425
3426                 if (icsd_docroot == X_("/")) {
3427                         Config->set_video_advanced_setup(false);
3428                 } else {
3429                         std::ostringstream osstream;
3430                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3431                         Config->set_video_server_url(osstream.str());
3432                         Config->set_video_server_docroot(icsd_docroot);
3433                         Config->set_video_advanced_setup(true);
3434                 }
3435
3436                 if (video_server_process) {
3437                         delete video_server_process;
3438                 }
3439
3440                 video_server_process = new SystemExec(icsd_exec, argp);
3441                 if (video_server_process->start()) {
3442                         warning << _("Cannot launch the video-server") << endmsg;
3443                         continue;
3444                 }
3445                 int timeout = 120; // 6 sec
3446                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3447                         usleep (50000);
3448                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3449                 }
3450                 if (timeout <= 0) {
3451                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3452                 } else {
3453                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3454                                 delete video_server_process;
3455                                 video_server_process = 0;
3456                         }
3457                 }
3458         }
3459         return true;
3460 }
3461
3462 void
3463 ARDOUR_UI::add_video (Gtk::Window* float_window)
3464 {
3465         if (!_session) {
3466                 return;
3467         }
3468
3469         if (!start_video_server(float_window, false)) {
3470                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3471                 return;
3472         }
3473
3474         if (float_window) {
3475                 add_video_dialog->set_transient_for (*float_window);
3476         }
3477
3478         if (add_video_dialog->is_visible()) {
3479                 /* we're already doing this */
3480                 return;
3481         }
3482
3483         ResponseType r = (ResponseType) add_video_dialog->run ();
3484         add_video_dialog->hide();
3485         if (r != RESPONSE_ACCEPT) { return; }
3486
3487         bool local_file, orig_local_file;
3488         std::string path = add_video_dialog->file_name(local_file);
3489
3490         std::string orig_path = path;
3491         orig_local_file = local_file;
3492
3493         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3494
3495         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3496                 warning << string_compose(_("could not open %1"), path) << endmsg;
3497                 return;
3498         }
3499         if (!local_file && path.length() == 0) {
3500                 warning << _("no video-file selected") << endmsg;
3501                 return;
3502         }
3503
3504         switch (add_video_dialog->import_option()) {
3505                 case VTL_IMPORT_TRANSCODE:
3506                         {
3507                                 TranscodeVideoDialog *transcode_video_dialog;
3508                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3509                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3510                                 transcode_video_dialog->hide();
3511                                 if (r != RESPONSE_ACCEPT) {
3512                                         delete transcode_video_dialog;
3513                                         return;
3514                                 }
3515                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3516                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3517                                 }
3518                                 switch (transcode_video_dialog->import_option()) {
3519                                         case VTL_IMPORT_TRANSCODED:
3520                                                 path = transcode_video_dialog->get_filename();
3521                                                 local_file = true;
3522                                                 break;
3523                                         case VTL_IMPORT_REFERENCE:
3524                                                 break;
3525                                         default:
3526                                                 delete transcode_video_dialog;
3527                                                 return;
3528                                 }
3529                                 delete transcode_video_dialog;
3530                         }
3531                         break;
3532                 default:
3533                 case VTL_IMPORT_NONE:
3534                         break;
3535         }
3536
3537         /* strip _session->session_directory().video_path() from video file if possible */
3538         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3539                  path=path.substr(_session->session_directory().video_path().size());
3540                  if (path.at(0) == G_DIR_SEPARATOR) {
3541                          path=path.substr(1);
3542                  }
3543         }
3544
3545         video_timeline->set_update_session_fps(auto_set_session_fps);
3546         if (video_timeline->video_file_info(path, local_file)) {
3547                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3548                 node->add_property (X_("Filename"), path);
3549                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3550                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3551                 if (orig_local_file) {
3552                         node->add_property (X_("OriginalVideoFile"), orig_path);
3553                 } else {
3554                         node->remove_property (X_("OriginalVideoFile"));
3555                 }
3556                 _session->add_extra_xml (*node);
3557                 _session->set_dirty ();
3558
3559                 _session->maybe_update_session_range(
3560                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3561                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3562
3563
3564                 if (add_video_dialog->launch_xjadeo() && local_file) {
3565                         editor->set_xjadeo_sensitive(true);
3566                         editor->toggle_xjadeo_proc(1);
3567                 } else {
3568                         editor->toggle_xjadeo_proc(0);
3569                 }
3570                 editor->toggle_ruler_video(true);
3571         }
3572 }
3573
3574 void
3575 ARDOUR_UI::remove_video ()
3576 {
3577         video_timeline->close_session();
3578         editor->toggle_ruler_video(false);
3579
3580         /* delete session state */
3581         XMLNode* node = new XMLNode(X_("Videotimeline"));
3582         _session->add_extra_xml(*node);
3583         node = new XMLNode(X_("Videomonitor"));
3584         _session->add_extra_xml(*node);
3585         stop_video_server();
3586 }
3587
3588 void
3589 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3590 {
3591         if (localcacheonly) {
3592                 video_timeline->vmon_update();
3593         } else {
3594                 video_timeline->flush_cache();
3595         }
3596         editor->queue_visual_videotimeline_update();
3597 }
3598
3599 XMLNode*
3600 ARDOUR_UI::mixer_settings () const
3601 {
3602         XMLNode* node = 0;
3603
3604         if (_session) {
3605                 node = _session->instant_xml(X_("Mixer"));
3606         } else {
3607                 node = Config->instant_xml(X_("Mixer"));
3608         }
3609
3610         if (!node) {
3611                 node = new XMLNode (X_("Mixer"));
3612         }
3613
3614         return node;
3615 }
3616
3617 XMLNode*
3618 ARDOUR_UI::editor_settings () const
3619 {
3620         XMLNode* node = 0;
3621
3622         if (_session) {
3623                 node = _session->instant_xml(X_("Editor"));
3624         } else {
3625                 node = Config->instant_xml(X_("Editor"));
3626         }
3627
3628         if (!node) {
3629                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3630                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3631                 }
3632         }
3633
3634         if (!node) {
3635                 node = new XMLNode (X_("Editor"));
3636         }
3637
3638         return node;
3639 }
3640
3641 XMLNode*
3642 ARDOUR_UI::keyboard_settings () const
3643 {
3644         XMLNode* node = 0;
3645
3646         node = Config->extra_xml(X_("Keyboard"));
3647
3648         if (!node) {
3649                 node = new XMLNode (X_("Keyboard"));
3650         }
3651
3652         return node;
3653 }
3654
3655 void
3656 ARDOUR_UI::create_xrun_marker (framepos_t where)
3657 {
3658         editor->mouse_add_new_marker (where, false, true);
3659 }
3660
3661 void
3662 ARDOUR_UI::halt_on_xrun_message ()
3663 {
3664         MessageDialog msg (*editor,
3665                            _("Recording was stopped because your system could not keep up."));
3666         msg.run ();
3667 }
3668
3669 void
3670 ARDOUR_UI::xrun_handler (framepos_t where)
3671 {
3672         if (!_session) {
3673                 return;
3674         }
3675
3676         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3677
3678         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3679                 create_xrun_marker(where);
3680         }
3681
3682         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3683                 halt_on_xrun_message ();
3684         }
3685 }
3686
3687 void
3688 ARDOUR_UI::disk_overrun_handler ()
3689 {
3690         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3691
3692         if (!have_disk_speed_dialog_displayed) {
3693                 have_disk_speed_dialog_displayed = true;
3694                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3695 The disk system on your computer\n\
3696 was not able to keep up with %1.\n\
3697 \n\
3698 Specifically, it failed to write data to disk\n\
3699 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3700                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3701                 msg->show ();
3702         }
3703 }
3704
3705 void
3706 ARDOUR_UI::disk_underrun_handler ()
3707 {
3708         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3709
3710         if (!have_disk_speed_dialog_displayed) {
3711                 have_disk_speed_dialog_displayed = true;
3712                 MessageDialog* msg = new MessageDialog (
3713                         *editor, string_compose (_("The disk system on your computer\n\
3714 was not able to keep up with %1.\n\
3715 \n\
3716 Specifically, it failed to read data from disk\n\
3717 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3718                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3719                 msg->show ();
3720         }
3721 }
3722
3723 void
3724 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3725 {
3726         have_disk_speed_dialog_displayed = false;
3727         delete msg;
3728 }
3729
3730 void
3731 ARDOUR_UI::session_dialog (std::string msg)
3732 {
3733         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3734
3735         MessageDialog* d;
3736
3737         if (editor) {
3738                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3739         } else {
3740                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3741         }
3742
3743         d->show_all ();
3744         d->run ();
3745         delete d;
3746 }
3747
3748 int
3749 ARDOUR_UI::pending_state_dialog ()
3750 {
3751         HBox* hbox = new HBox();
3752         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3753         ArdourDialog dialog (_("Crash Recovery"), true);
3754         Label  message (string_compose (_("\
3755 This session appears to have been in the\n\
3756 middle of recording when %1 or\n\
3757 the computer was shutdown.\n\
3758 \n\
3759 %1 can recover any captured audio for\n\
3760 you, or it can ignore it. Please decide\n\
3761 what you would like to do.\n"), PROGRAM_NAME));
3762         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3763         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3764         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3765         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3766         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3767         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3768         dialog.set_default_response (RESPONSE_ACCEPT);
3769         dialog.set_position (WIN_POS_CENTER);
3770         message.show();
3771         image->show();
3772         hbox->show();
3773
3774         switch (dialog.run ()) {
3775         case RESPONSE_ACCEPT:
3776                 return 1;
3777         default:
3778                 return 0;
3779         }
3780 }
3781
3782 int
3783 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3784 {
3785         HBox* hbox = new HBox();
3786         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3787         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3788         Label  message (string_compose (_("\
3789 This session was created with a sample rate of %1 Hz, but\n\
3790 %2 is currently running at %3 Hz.  If you load this session,\n\
3791 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3792
3793         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3794         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3795         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3796         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3797         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3798         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3799         dialog.set_default_response (RESPONSE_ACCEPT);
3800         dialog.set_position (WIN_POS_CENTER);
3801         message.show();
3802         image->show();
3803         hbox->show();
3804
3805         switch (dialog.run()) {
3806         case RESPONSE_ACCEPT:
3807                 return 0;
3808         default:
3809                 break;
3810         }
3811
3812         return 1;
3813 }
3814
3815
3816 void
3817 ARDOUR_UI::disconnect_from_jack ()
3818 {
3819         if (engine) {
3820                 if (engine->disconnect_from_jack ()) {
3821                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3822                         msg.run ();
3823                 }
3824
3825                 update_sample_rate (0);
3826         }
3827 }
3828
3829 void
3830 ARDOUR_UI::reconnect_to_jack ()
3831 {
3832         if (engine) {
3833                 if (engine->reconnect_to_jack ()) {
3834                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3835                         msg.run ();
3836                 }
3837
3838                 update_sample_rate (0);
3839         }
3840 }
3841
3842 void
3843 ARDOUR_UI::use_config ()
3844 {
3845         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3846         if (node) {
3847                 set_transport_controllable_state (*node);
3848         }
3849 }
3850
3851 void
3852 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3853 {
3854         if (Config->get_primary_clock_delta_edit_cursor()) {
3855                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3856         } else {
3857                 primary_clock->set (pos);
3858         }
3859
3860         if (Config->get_secondary_clock_delta_edit_cursor()) {
3861                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3862         } else {
3863                 secondary_clock->set (pos);
3864         }
3865
3866         if (big_clock_window) {
3867                 big_clock->set (pos);
3868         }
3869         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3870 }
3871
3872 void
3873 ARDOUR_UI::step_edit_status_change (bool yn)
3874 {
3875         // XXX should really store pre-step edit status of things
3876         // we make insensitive
3877
3878         if (yn) {
3879                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3880                 rec_button.set_sensitive (false);
3881         } else {
3882                 rec_button.unset_active_state ();;
3883                 rec_button.set_sensitive (true);
3884         }
3885 }
3886
3887 void
3888 ARDOUR_UI::record_state_changed ()
3889 {
3890         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3891
3892         if (!_session || !big_clock_window) {
3893                 /* why bother - the clock isn't visible */
3894                 return;
3895         }
3896
3897         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3898                 big_clock->set_active (true);
3899         } else {
3900                 big_clock->set_active (false);
3901         }
3902 }
3903
3904 bool
3905 ARDOUR_UI::first_idle ()
3906 {
3907         if (_session) {
3908                 _session->allow_auto_play (true);
3909         }
3910
3911         if (editor) {
3912                 editor->first_idle();
3913         }
3914
3915         Keyboard::set_can_save_keybindings (true);
3916         return false;
3917 }
3918
3919 void
3920 ARDOUR_UI::store_clock_modes ()
3921 {
3922         XMLNode* node = new XMLNode(X_("ClockModes"));
3923
3924         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3925                 XMLNode* child = new XMLNode (X_("Clock"));
3926
3927                 child->add_property (X_("name"), (*x)->name());
3928                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3929                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3930
3931                 node->add_child_nocopy (*child);
3932         }
3933
3934         _session->add_extra_xml (*node);
3935         _session->set_dirty ();
3936 }
3937
3938 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3939         : Controllable (name), ui (u), type(tp)
3940 {
3941
3942 }
3943
3944 void
3945 ARDOUR_UI::TransportControllable::set_value (double val)
3946 {
3947         if (val < 0.5) {
3948                 /* do nothing: these are radio-style actions */
3949                 return;
3950         }
3951
3952         const char *action = 0;
3953
3954         switch (type) {
3955         case Roll:
3956                 action = X_("Roll");
3957                 break;
3958         case Stop:
3959                 action = X_("Stop");
3960                 break;
3961         case GotoStart:
3962                 action = X_("GotoStart");
3963                 break;
3964         case GotoEnd:
3965                 action = X_("GotoEnd");
3966                 break;
3967         case AutoLoop:
3968                 action = X_("Loop");
3969                 break;
3970         case PlaySelection:
3971                 action = X_("PlaySelection");
3972                 break;
3973         case RecordEnable:
3974                 action = X_("Record");
3975                 break;
3976         default:
3977                 break;
3978         }
3979
3980         if (action == 0) {
3981                 return;
3982         }
3983
3984         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3985
3986         if (act) {
3987                 act->activate ();
3988         }
3989 }
3990
3991 double
3992 ARDOUR_UI::TransportControllable::get_value (void) const
3993 {
3994         float val = 0.0;
3995
3996         switch (type) {
3997         case Roll:
3998                 break;
3999         case Stop:
4000                 break;
4001         case GotoStart:
4002                 break;
4003         case GotoEnd:
4004                 break;
4005         case AutoLoop:
4006                 break;
4007         case PlaySelection:
4008                 break;
4009         case RecordEnable:
4010                 break;
4011         default:
4012                 break;
4013         }
4014
4015         return val;
4016 }
4017
4018 void
4019 ARDOUR_UI::setup_profile ()
4020 {
4021         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4022                 Profile->set_small_screen ();
4023         }
4024
4025         if (getenv ("ARDOUR_SAE")) {
4026                 Profile->set_sae ();
4027                 Profile->set_single_package ();
4028         }
4029 }
4030
4031 int
4032 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4033 {
4034         MissingFileDialog dialog (s, str, type);
4035
4036         dialog.show ();
4037         dialog.present ();
4038
4039         int result = dialog.run ();
4040         dialog.hide ();
4041
4042         switch (result) {
4043         case RESPONSE_OK:
4044                 break;
4045         default:
4046                 return 1; // quit entire session load
4047         }
4048
4049         result = dialog.get_action ();
4050
4051         return result;
4052 }
4053
4054 int
4055 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4056 {
4057         AmbiguousFileDialog dialog (file, hits);
4058
4059         dialog.show ();
4060         dialog.present ();
4061
4062         dialog.run ();
4063         return dialog.get_which ();
4064 }
4065
4066 /** Allocate our thread-local buffers */
4067 void
4068 ARDOUR_UI::get_process_buffers ()
4069 {
4070         _process_thread->get_buffers ();
4071 }
4072
4073 /** Drop our thread-local buffers */
4074 void
4075 ARDOUR_UI::drop_process_buffers ()
4076 {
4077         _process_thread->drop_buffers ();
4078 }
4079
4080 void
4081 ARDOUR_UI::feedback_detected ()
4082 {
4083         _feedback_exists = true;
4084 }
4085
4086 void
4087 ARDOUR_UI::successful_graph_sort ()
4088 {
4089         _feedback_exists = false;
4090 }
4091
4092 void
4093 ARDOUR_UI::midi_panic ()
4094 {
4095         if (_session) {
4096                 _session->midi_panic();
4097         }
4098 }
4099
4100 void
4101 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4102 {
4103         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4104         const char* end_big = "</span>";
4105         const char* start_mono = "<tt>";
4106         const char* end_mono = "</tt>";
4107
4108         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4109                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4110                                              "From now on, use the -2000 version with older versions of %3"),
4111                                            xml_path, backup_path, PROGRAM_NAME,
4112                                            start_big, end_big,
4113                                            start_mono, end_mono), true);
4114
4115         msg.run ();
4116 }