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 #ifndef WIN32
  31 #include <sys/resource.h>
  32 #endif
  33
  34 #include <stdint.h>
  35 #include <fcntl.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38 #include <time.h>
  39
  40 #include <glib.h>
  41 #include <glib/gstdio.h>
  42
  43 #include <gtkmm/messagedialog.h>
  44 #include <gtkmm/accelmap.h>
  45
  46 #include "pbd/error.h"
  47 #include "pbd/basename.h"
  48 #include "pbd/compose.h"
  49 #include "pbd/failed_constructor.h"
  50 #include "pbd/enumwriter.h"
  51 #include "pbd/memento_command.h"
  52 #include "pbd/openuri.h"
  53 #include "pbd/file_utils.h"
  54 #include "pbd/localtime_r.h"
  55
  56 #include "gtkmm2ext/application.h"
  57 #include "gtkmm2ext/bindings.h"
  58 #include "gtkmm2ext/gtk_ui.h"
  59 #include "gtkmm2ext/utils.h"
  60 #include "gtkmm2ext/click_box.h"
  61 #include "gtkmm2ext/fastmeter.h"
  62 #include "gtkmm2ext/popup.h"
  63 #include "gtkmm2ext/window_title.h"
  64
  65 #include "midi++/manager.h"
  66
  67 #include "ardour/ardour.h"
  68 #include "ardour/audioengine.h"
  69 #include "ardour/audiofilesource.h"
  70 #include "ardour/automation_watch.h"
  71 #include "ardour/diskstream.h"
  72 #include "ardour/filename_extensions.h"
  73 #include "ardour/filesystem_paths.h"
  74 #include "ardour/port.h"
  75 #include "ardour/process_thread.h"
  76 #include "ardour/profile.h"
  77 #include "ardour/recent_sessions.h"
  78 #include "ardour/session_directory.h"
  79 #include "ardour/session_route.h"
  80 #include "ardour/session_state_utils.h"
  81 #include "ardour/session_utils.h"
  82 #include "ardour/slave.h"
  83
  84 #include "timecode/time.h"
  85
  86 typedef uint64_t microseconds_t;
  87
  88 #include "about.h"
  89 #include "actions.h"
  90 #include "add_route_dialog.h"
  91 #include "ambiguous_file_dialog.h"
  92 #include "ardour_ui.h"
  93 #include "audio_clock.h"
  94 #include "big_clock_window.h"
  95 #include "bundle_manager.h"
  96 #include "engine_dialog.h"
  97 #include "gain_meter.h"
  98 #include "global_port_matrix.h"
  99 #include "gui_object.h"
 100 #include "gui_thread.h"
 101 #include "keyboard.h"
 102 #include "keyeditor.h"
 103 #include "location_ui.h"
 104 #include "main_clock.h"
 105 #include "missing_file_dialog.h"
 106 #include "missing_plugin_dialog.h"
 107 #include "mixer_ui.h"
 108 #include "mouse_cursors.h"
 109 #include "opts.h"
 110 #include "pingback.h"
 111 #include "processor_box.h"
 112 #include "prompter.h"
 113 #include "public_editor.h"
 114 #include "rc_option_editor.h"
 115 #include "route_time_axis.h"
 116 #include "route_params_ui.h"
 117 #include "session_metadata_dialog.h"
 118 #include "session_option_editor.h"
 119 #include "shuttle_control.h"
 120 #include "speaker_dialog.h"
 121 #include "splash.h"
 122 #include "startup.h"
 123 #include "theme_manager.h"
 124 #include "time_axis_view_item.h"
 125 #include "utils.h"
 126 #include "video_server_dialog.h"
 127 #include "add_video_dialog.h"
 128 #include "transcode_video_dialog.h"
 129 #include "system_exec.h"
 130
 131 #include "i18n.h"
 132
 133 using namespace ARDOUR;
 134 using namespace PBD;
 135 using namespace Gtkmm2ext;
 136 using namespace Gtk;
 137 using namespace std;
 138
 139 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 140 UIConfiguration *ARDOUR_UI::ui_config = 0;
 141
 142 sigc::signal<void,bool> ARDOUR_UI::Blink;
 143 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 144 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 145 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 146 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 147
 148 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 149
 150         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 151
 152         , gui_object_state (new GUIObjectState)
 153
 154         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 155         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 156
 157           /* big clock */
 158
 159         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 160         , video_timeline(0)
 161
 162           /* start of private members */
 163
 164         , _startup (0)
 165         , engine (0)
 166         , nsm (0)
 167         , _was_dirty (false)
 168         , _mixer_on_top (false)
 169
 170           /* transport */
 171
 172         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 173         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 174         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 175         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 176         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 177         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 178         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 179
 180         , auto_return_button (ArdourButton::led_default_elements)
 181         , follow_edits_button (ArdourButton::led_default_elements)
 182         , auto_input_button (ArdourButton::led_default_elements)
 183
 184         , auditioning_alert_button (_("audition"))
 185         , solo_alert_button (_("solo"))
 186         , feedback_alert_button (_("feedback"))
 187
 188         , editor_meter(0)
 189         , editor_meter_peak_display()
 190
 191         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 192         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 193         , key_editor (X_("key-editor"), _("Key Bindings"))
 194         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 195         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 196         , about (X_("about"), _("About"))
 197         , location_ui (X_("locations"), _("Locations"))
 198         , route_params (X_("inspector"), _("Tracks and Busses"))
 199         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 200         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 201         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 202         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 203         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 204         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 205
 206         , error_log_button (_("Errors"))
 207
 208         , _status_bar_visibility (X_("status-bar"))
 209         , _feedback_exists (false)
 210
 211 {
 212         Gtkmm2ext::init(localedir);
 213
 214         splash = 0;
 215
 216         if (theArdourUI == 0) {
 217                 theArdourUI = this;
 218         }
 219
 220         ui_config = new UIConfiguration();
 221
 222         editor = 0;
 223         mixer = 0;
 224         meterbridge = 0;
 225         editor = 0;
 226         engine = 0;
 227         _session_is_new = false;
 228         session_selector_window = 0;
 229         last_key_press_time = 0;
 230         video_server_process = 0;
 231         open_session_selector = 0;
 232         have_configure_timeout = false;
 233         have_disk_speed_dialog_displayed = false;
 234         session_loaded = false;
 235         ignore_dual_punch = false;
 236
 237         roll_button.set_controllable (roll_controllable);
 238         stop_button.set_controllable (stop_controllable);
 239         goto_start_button.set_controllable (goto_start_controllable);
 240         goto_end_button.set_controllable (goto_end_controllable);
 241         auto_loop_button.set_controllable (auto_loop_controllable);
 242         play_selection_button.set_controllable (play_selection_controllable);
 243         rec_button.set_controllable (rec_controllable);
 244
 245         roll_button.set_name ("transport button");
 246         stop_button.set_name ("transport button");
 247         goto_start_button.set_name ("transport button");
 248         goto_end_button.set_name ("transport button");
 249         auto_loop_button.set_name ("transport button");
 250         play_selection_button.set_name ("transport button");
 251         rec_button.set_name ("transport recenable button");
 252         midi_panic_button.set_name ("transport button");
 253
 254         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 255         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 256         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 257
 258         last_configure_time= 0;
 259         last_peak_grab = 0;
 260
 261         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 262         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 263
 264         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 265
 266         /* handle dialog requests */
 267
 268         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 269
 270         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 271
 272         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 273
 274         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 275
 276         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 277
 278         /* handle requests to quit (coming from JACK session) */
 279
 280         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 281
 282         /* tell the user about feedback */
 283
 284         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 285         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 286
 287         /* handle requests to deal with missing files */
 288
 289         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 290
 291         /* and ambiguous files */
 292
 293         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 294
 295         /* lets get this party started */
 296
 297         setup_gtk_ardour_enums ();
 298         setup_profile ();
 299
 300         SessionEvent::create_per_thread_pool ("GUI", 512);
 301
 302         /* we like keyboards */
 303
 304         keyboard = new ArdourKeyboard(*this);
 305
 306         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 307         if (node) {
 308                 keyboard->set_state (*node, Stateful::loading_state_version);
 309         }
 310
 311         /* we don't like certain modifiers */
 312         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 313
 314         reset_dpi();
 315
 316         TimeAxisViewItem::set_constant_heights ();
 317
 318         /* Set this up so that our window proxies can register actions */
 319
 320         ActionManager::init ();
 321
 322         /* The following must happen after ARDOUR::init() so that Config is set up */
 323
 324         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 325
 326         if (ui_xml) {
 327                 theme_manager.set_state (*ui_xml);
 328                 key_editor.set_state (*ui_xml);
 329                 rc_option_editor.set_state (*ui_xml);
 330                 session_option_editor.set_state (*ui_xml);
 331                 speaker_config_window.set_state (*ui_xml);
 332                 about.set_state (*ui_xml);
 333                 add_route_dialog.set_state (*ui_xml);
 334                 add_video_dialog.set_state (*ui_xml);
 335                 route_params.set_state (*ui_xml);
 336                 bundle_manager.set_state (*ui_xml);
 337                 location_ui.set_state (*ui_xml);
 338                 big_clock_window.set_state (*ui_xml);
 339                 audio_port_matrix.set_state (*ui_xml);
 340                 midi_port_matrix.set_state (*ui_xml);
 341         }
 342
 343         WM::Manager::instance().register_window (&theme_manager);
 344         WM::Manager::instance().register_window (&key_editor);
 345         WM::Manager::instance().register_window (&rc_option_editor);
 346         WM::Manager::instance().register_window (&session_option_editor);
 347         WM::Manager::instance().register_window (&speaker_config_window);
 348         WM::Manager::instance().register_window (&about);
 349         WM::Manager::instance().register_window (&add_route_dialog);
 350         WM::Manager::instance().register_window (&add_video_dialog);
 351         WM::Manager::instance().register_window (&route_params);
 352         WM::Manager::instance().register_window (&bundle_manager);
 353         WM::Manager::instance().register_window (&location_ui);
 354         WM::Manager::instance().register_window (&big_clock_window);
 355         WM::Manager::instance().register_window (&audio_port_matrix);
 356         WM::Manager::instance().register_window (&midi_port_matrix);
 357
 358         /* We need to instantiate the theme manager because it loads our
 359            theme files. This should really change so that its window
 360            and its functionality are separate
 361         */
 362
 363         (void) theme_manager.get (true);
 364
 365         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 366         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 367
 368         _process_thread = new ProcessThread ();
 369         _process_thread->init ();
 370
 371         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 372 }
 373
 374 GlobalPortMatrixWindow*
 375 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 376 {
 377         if (!_session) {
 378                 return 0;
 379         }
 380         return new GlobalPortMatrixWindow (_session, type);
 381 }
 382
 383 int
 384 ARDOUR_UI::create_engine ()
 385 {
 386         // this gets called every time by new_session()
 387
 388         if (engine) {
 389                 return 0;
 390         }
 391
 392         loading_message (_("Starting audio engine"));
 393
 394         try {
 395                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 396
 397         } catch (...) {
 398
 399                 return -1;
 400         }
 401
 402         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 403         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 404         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 405
 406         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 407
 408         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 409
 410         post_engine ();
 411
 412         return 0;
 413 }
 414
 415 void
 416 ARDOUR_UI::post_engine ()
 417 {
 418         /* Things to be done once we create the AudioEngine
 419          */
 420
 421         ARDOUR::init_post_engine ();
 422
 423         _tooltips.enable();
 424
 425         ActionManager::load_menus ();
 426
 427         if (setup_windows ()) {
 428                 throw failed_constructor ();
 429         }
 430
 431         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 432         XMLNode* n = Config->extra_xml (X_("UI"));
 433         if (n) {
 434                 _status_bar_visibility.set_state (*n);
 435         }
 436
 437         check_memory_locking();
 438
 439         /* this is the first point at which all the keybindings are available */
 440
 441         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 442                 vector<string> names;
 443                 vector<string> paths;
 444                 vector<string> tooltips;
 445                 vector<string> keys;
 446                 vector<AccelKey> bindings;
 447
 448                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 449
 450                 vector<string>::iterator n;
 451                 vector<string>::iterator k;
 452                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 453                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 454                 }
 455
 456                 exit (0);
 457         }
 458
 459         blink_timeout_tag = -1;
 460
 461         /* this being a GUI and all, we want peakfiles */
 462
 463         AudioFileSource::set_build_peakfiles (true);
 464         AudioFileSource::set_build_missing_peakfiles (true);
 465
 466         /* set default clock modes */
 467
 468         if (Profile->get_sae()) {
 469                 primary_clock->set_mode (AudioClock::BBT);
 470                 secondary_clock->set_mode (AudioClock::MinSec);
 471         }  else {
 472                 primary_clock->set_mode (AudioClock::Timecode);
 473                 secondary_clock->set_mode (AudioClock::BBT);
 474         }
 475
 476         /* start the time-of-day-clock */
 477
 478 #ifndef GTKOSX
 479         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 480         update_wall_clock ();
 481         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 482 #endif
 483
 484         update_disk_space ();
 485         update_cpu_load ();
 486         update_sample_rate (engine->frame_rate());
 487         update_timecode_format ();
 488
 489         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 490         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 491         Config->map_parameters (pc);
 492
 493         /* now start and maybe save state */
 494
 495         if (do_engine_start () == 0) {
 496                 if (_session && _session_is_new) {
 497                         /* we need to retain initial visual
 498                            settings for a new session
 499                         */
 500                         _session->save_state ("");
 501                 }
 502         }
 503 }
 504
 505 ARDOUR_UI::~ARDOUR_UI ()
 506 {
 507         delete keyboard;
 508         delete editor;
 509         delete mixer;
 510         delete meterbridge;
 511
 512         stop_video_server();
 513 }
 514
 515 void
 516 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 517 {
 518         if (Splash::instance()) {
 519                 Splash::instance()->pop_back_for (win);
 520         }
 521 }
 522
 523 gint
 524 ARDOUR_UI::configure_timeout ()
 525 {
 526         if (last_configure_time == 0) {
 527                 /* no configure events yet */
 528                 return true;
 529         }
 530
 531         /* force a gap of 0.5 seconds since the last configure event
 532          */
 533
 534         if (get_microseconds() - last_configure_time < 500000) {
 535                 return true;
 536         } else {
 537                 have_configure_timeout = false;
 538                 save_ardour_state ();
 539                 return false;
 540         }
 541 }
 542
 543 gboolean
 544 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 545 {
 546         if (have_configure_timeout) {
 547                 last_configure_time = get_microseconds();
 548         } else {
 549                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 550                 have_configure_timeout = true;
 551         }
 552
 553         return FALSE;
 554 }
 555
 556 void
 557 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 558 {
 559         const XMLProperty* prop;
 560
 561         if ((prop = node.property ("roll")) != 0) {
 562                 roll_controllable->set_id (prop->value());
 563         }
 564         if ((prop = node.property ("stop")) != 0) {
 565                 stop_controllable->set_id (prop->value());
 566         }
 567         if ((prop = node.property ("goto-start")) != 0) {
 568                 goto_start_controllable->set_id (prop->value());
 569         }
 570         if ((prop = node.property ("goto-end")) != 0) {
 571                 goto_end_controllable->set_id (prop->value());
 572         }
 573         if ((prop = node.property ("auto-loop")) != 0) {
 574                 auto_loop_controllable->set_id (prop->value());
 575         }
 576         if ((prop = node.property ("play-selection")) != 0) {
 577                 play_selection_controllable->set_id (prop->value());
 578         }
 579         if ((prop = node.property ("rec")) != 0) {
 580                 rec_controllable->set_id (prop->value());
 581         }
 582         if ((prop = node.property ("shuttle")) != 0) {
 583                 shuttle_box->controllable()->set_id (prop->value());
 584         }
 585 }
 586
 587 XMLNode&
 588 ARDOUR_UI::get_transport_controllable_state ()
 589 {
 590         XMLNode* node = new XMLNode(X_("TransportControllables"));
 591         char buf[64];
 592
 593         roll_controllable->id().print (buf, sizeof (buf));
 594         node->add_property (X_("roll"), buf);
 595         stop_controllable->id().print (buf, sizeof (buf));
 596         node->add_property (X_("stop"), buf);
 597         goto_start_controllable->id().print (buf, sizeof (buf));
 598         node->add_property (X_("goto_start"), buf);
 599         goto_end_controllable->id().print (buf, sizeof (buf));
 600         node->add_property (X_("goto_end"), buf);
 601         auto_loop_controllable->id().print (buf, sizeof (buf));
 602         node->add_property (X_("auto_loop"), buf);
 603         play_selection_controllable->id().print (buf, sizeof (buf));
 604         node->add_property (X_("play_selection"), buf);
 605         rec_controllable->id().print (buf, sizeof (buf));
 606         node->add_property (X_("rec"), buf);
 607         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 608         node->add_property (X_("shuttle"), buf);
 609
 610         return *node;
 611 }
 612
 613
 614 gint
 615 ARDOUR_UI::autosave_session ()
 616 {
 617         if (g_main_depth() > 1) {
 618                 /* inside a recursive main loop,
 619                    give up because we may not be able to
 620                    take a lock.
 621                 */
 622                 return 1;
 623         }
 624
 625         if (!Config->get_periodic_safety_backups()) {
 626                 return 1;
 627         }
 628
 629         if (_session) {
 630                 _session->maybe_write_autosave();
 631         }
 632
 633         return 1;
 634 }
 635
 636 void
 637 ARDOUR_UI::update_autosave ()
 638 {
 639         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 640
 641         if (_session && _session->dirty()) {
 642                 if (_autosave_connection.connected()) {
 643                         _autosave_connection.disconnect();
 644                 }
 645
 646                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 647                                 Config->get_periodic_safety_backup_interval() * 1000);
 648
 649         } else {
 650                 if (_autosave_connection.connected()) {
 651                         _autosave_connection.disconnect();
 652                 }
 653         }
 654 }
 655
 656 void
 657 ARDOUR_UI::check_announcements ()
 658 {
 659 #ifdef PHONE_HOME
 660         string _annc_filename;
 661
 662 #ifdef __APPLE__
 663         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 664 #else
 665         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 666 #endif
 667         _annc_filename.append (VERSIONSTRING);
 668
 669         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 670         std::ifstream announce_file (path.c_str());
 671         if ( announce_file.fail() )
 672                 _announce_string = "";
 673         else {
 674                 std::stringstream oss;
 675                 oss << announce_file.rdbuf();
 676                 _announce_string = oss.str();
 677         }
 678
 679         pingback (VERSIONSTRING, path);
 680 #endif
 681 }
 682
 683 void
 684 ARDOUR_UI::startup ()
 685 {
 686         Application* app = Application::instance ();
 687         char *nsm_url;
 688         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 689         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 690
 691         if (ARDOUR_COMMAND_LINE::check_announcements) {
 692                 check_announcements ();
 693         }
 694
 695         app->ready ();
 696
 697         nsm_url = getenv ("NSM_URL");
 698
 699         if (nsm_url) {
 700                 nsm = new NSM_Client;
 701                 if (!nsm->init (nsm_url)) {
 702                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 703
 704                         unsigned int i = 0;
 705                         // wait for announce reply from nsm server
 706                         for ( i = 0; i < 5000; ++i) {
 707                                 nsm->check ();
 708                                 usleep (i);
 709                                 if (nsm->is_active())
 710                                         break;
 711                         }
 712                         // wait for open command from nsm server
 713                         for ( i = 0; i < 5000; ++i) {
 714                                 nsm->check ();
 715                                 usleep (1000);
 716                                 if (nsm->client_id ())
 717                                         break;
 718                         }
 719
 720                         if (_session && nsm) {
 721                                 _session->set_nsm_state( nsm->is_active() );
 722                         }
 723
 724                         // nsm requires these actions disabled
 725                         vector<string> action_names;
 726                         action_names.push_back("SaveAs");
 727                         action_names.push_back("Rename");
 728                         action_names.push_back("New");
 729                         action_names.push_back("Open");
 730                         action_names.push_back("Recent");
 731                         action_names.push_back("Close");
 732
 733                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 734                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 735                                 if (act) {
 736                                         act->set_sensitive (false);
 737                                 }
 738                         }
 739
 740                 }
 741                 else {
 742                         delete nsm;
 743                         nsm = 0;
 744                 }
 745         }
 746
 747         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 748                 exit (1);
 749         }
 750
 751         use_config ();
 752
 753         goto_editor_window ();
 754
 755         WM::Manager::instance().show_visible ();
 756
 757         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 758          * editor window, and we may want stuff to be hidden.
 759          */
 760         _status_bar_visibility.update ();
 761
 762         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 763 }
 764
 765 void
 766 ARDOUR_UI::no_memory_warning ()
 767 {
 768         XMLNode node (X_("no-memory-warning"));
 769         Config->add_instant_xml (node);
 770 }
 771
 772 void
 773 ARDOUR_UI::check_memory_locking ()
 774 {
 775 #if defined(__APPLE__) || defined(WIN32)
 776         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 777         return;
 778 #else // !__APPLE__
 779
 780         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 781
 782         if (engine->is_realtime() && memory_warning_node == 0) {
 783
 784                 struct rlimit limits;
 785                 int64_t ram;
 786                 long pages, page_size;
 787 #ifdef __FreeBSD__
 788                 size_t pages_len=sizeof(pages);
 789                 if ((page_size = getpagesize()) < 0 ||
 790                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 791 #else
 792                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 793 #endif
 794                 {
 795                         ram = 0;
 796                 } else {
 797                         ram = (int64_t) pages * (int64_t) page_size;
 798                 }
 799
 800                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 801                         return;
 802                 }
 803
 804                 if (limits.rlim_cur != RLIM_INFINITY) {
 805
 806                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 807
 808                                 MessageDialog msg (
 809                                         string_compose (
 810                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 811                                                   "This might cause %1 to run out of memory before your system "
 812                                                   "runs out of memory. \n\n"
 813                                                   "You can view the memory limit with 'ulimit -l', "
 814                                                   "and it is normally controlled by %2"),
 815                                                 PROGRAM_NAME,
 816 #ifdef __FreeBSD__
 817                                                 X_("/etc/login.conf")
 818 #else
 819                                                 X_(" /etc/security/limits.conf")
 820 #endif
 821                                         ).c_str());
 822
 823                                 msg.set_default_response (RESPONSE_OK);
 824
 825                                 VBox* vbox = msg.get_vbox();
 826                                 HBox hbox;
 827                                 CheckButton cb (_("Do not show this window again"));
 828
 829                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 830
 831                                 hbox.pack_start (cb, true, false);
 832                                 vbox->pack_start (hbox);
 833                                 cb.show();
 834                                 vbox->show();
 835                                 hbox.show ();
 836
 837                                 pop_back_splash (msg);
 838
 839                                 editor->ensure_float (msg);
 840                                 msg.run ();
 841                         }
 842                 }
 843         }
 844 #endif // !__APPLE__
 845 }
 846
 847
 848 void
 849 ARDOUR_UI::queue_finish ()
 850 {
 851         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 852 }
 853
 854 bool
 855 ARDOUR_UI::idle_finish ()
 856 {
 857         finish ();
 858         return false; /* do not call again */
 859 }
 860
 861 void
 862 ARDOUR_UI::finish()
 863 {
 864         if (_session) {
 865                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 866
 867                 if (_session->dirty()) {
 868                         vector<string> actions;
 869                         actions.push_back (_("Don't quit"));
 870                         actions.push_back (_("Just quit"));
 871                         actions.push_back (_("Save and quit"));
 872                         switch (ask_about_saving_session(actions)) {
 873                         case -1:
 874                                 return;
 875                                 break;
 876                         case 1:
 877                                 /* use the default name */
 878                                 if (save_state_canfail ("")) {
 879                                         /* failed - don't quit */
 880                                         MessageDialog msg (*editor,
 881                                                            string_compose (_("\
 882 %1 was unable to save your session.\n\n\
 883 If you still wish to quit, please use the\n\n\
 884 \"Just quit\" option."), PROGRAM_NAME));
 885                                         pop_back_splash(msg);
 886                                         msg.run ();
 887                                         return;
 888                                 }
 889                                 break;
 890                         case 0:
 891                                 break;
 892                         }
 893                 }
 894
 895                 second_connection.disconnect ();
 896                 point_one_second_connection.disconnect ();
 897                 point_zero_something_second_connection.disconnect();
 898         }
 899
 900         delete ARDOUR_UI::instance()->video_timeline;
 901         ARDOUR_UI::instance()->video_timeline = NULL;
 902         stop_video_server();
 903
 904         /* Save state before deleting the session, as that causes some
 905            windows to be destroyed before their visible state can be
 906            saved.
 907         */
 908         save_ardour_state ();
 909
 910         close_all_dialogs ();
 911
 912         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 913
 914         if (_session) {
 915                 // _session->set_deletion_in_progress ();
 916                 _session->set_clean ();
 917                 _session->remove_pending_capture_state ();
 918                 delete _session;
 919                 _session = 0;
 920         }
 921
 922         engine->stop (true);
 923         quit ();
 924 }
 925
 926 int
 927 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 928 {
 929         ArdourDialog window (_("Unsaved Session"));
 930         Gtk::HBox dhbox;  // the hbox for the image and text
 931         Gtk::Label  prompt_label;
 932         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 933
 934         string msg;
 935
 936         assert (actions.size() >= 3);
 937
 938         window.add_button (actions[0], RESPONSE_REJECT);
 939         window.add_button (actions[1], RESPONSE_APPLY);
 940         window.add_button (actions[2], RESPONSE_ACCEPT);
 941
 942         window.set_default_response (RESPONSE_ACCEPT);
 943
 944         Gtk::Button noquit_button (msg);
 945         noquit_button.set_name ("EditorGTKButton");
 946
 947         string prompt;
 948
 949         if (_session->snap_name() == _session->name()) {
 950                 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?"),
 951                                         _session->snap_name());
 952         } else {
 953                 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?"),
 954                                         _session->snap_name());
 955         }
 956
 957         prompt_label.set_text (prompt);
 958         prompt_label.set_name (X_("PrompterLabel"));
 959         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 960
 961         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 962         dhbox.set_homogeneous (false);
 963         dhbox.pack_start (*dimage, false, false, 5);
 964         dhbox.pack_start (prompt_label, true, false, 5);
 965         window.get_vbox()->pack_start (dhbox);
 966
 967         window.set_name (_("Prompter"));
 968         window.set_modal (true);
 969         window.set_resizable (false);
 970
 971         dhbox.show();
 972         prompt_label.show();
 973         dimage->show();
 974         window.show();
 975         window.set_keep_above (true);
 976         window.present ();
 977
 978         ResponseType r = (ResponseType) window.run();
 979
 980         window.hide ();
 981
 982         switch (r) {
 983         case RESPONSE_ACCEPT: // save and get out of here
 984                 return 1;
 985         case RESPONSE_APPLY:  // get out of here
 986                 return 0;
 987         default:
 988                 break;
 989         }
 990
 991         return -1;
 992 }
 993
 994
 995 gint
 996 ARDOUR_UI::every_second ()
 997 {
 998         update_cpu_load ();
 999         update_buffer_load ();
1000         update_disk_space ();
1001         update_timecode_format ();
1002
1003         if (nsm && nsm->is_active ()) {
1004                 nsm->check ();
1005
1006                 if (!_was_dirty && _session->dirty ()) {
1007                         nsm->is_dirty ();
1008                         _was_dirty = true;
1009                 }
1010                 else if (_was_dirty && !_session->dirty ()){
1011                         nsm->is_clean ();
1012                         _was_dirty = false;
1013                 }
1014         }
1015         return TRUE;
1016 }
1017
1018 gint
1019 ARDOUR_UI::every_point_one_seconds ()
1020 {
1021         shuttle_box->update_speed_display ();
1022         RapidScreenUpdate(); /* EMIT_SIGNAL */
1023         return TRUE;
1024 }
1025
1026 gint
1027 ARDOUR_UI::every_point_zero_something_seconds ()
1028 {
1029         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1030
1031         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1032         if (editor_meter && Config->get_show_editor_meter()) {
1033                 float mpeak = editor_meter->update_meters();
1034                 if (mpeak > editor_meter_max_peak) {
1035                         if (mpeak >= Config->get_meter_peak()) {
1036                                 editor_meter_peak_display.set_name ("meterbridge peakindicator on");
1037                                 editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
1038                         }
1039                 }
1040         }
1041         return TRUE;
1042 }
1043
1044 void
1045 ARDOUR_UI::update_sample_rate (framecnt_t)
1046 {
1047         char buf[64];
1048
1049         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1050
1051         if (!engine->connected()) {
1052
1053                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1054
1055         } else {
1056
1057                 framecnt_t rate = engine->frame_rate();
1058
1059                 if (fmod (rate, 1000.0) != 0.0) {
1060                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1061                                   (float) rate/1000.0f,
1062                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1063                 } else {
1064                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1065                                   rate/1000,
1066                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1067                 }
1068         }
1069
1070         sample_rate_label.set_markup (buf);
1071 }
1072
1073 void
1074 ARDOUR_UI::update_format ()
1075 {
1076         if (!_session) {
1077                 format_label.set_text ("");
1078                 return;
1079         }
1080
1081         stringstream s;
1082         s << _("File:") << X_(" <span foreground=\"green\">");
1083
1084         switch (_session->config.get_native_file_header_format ()) {
1085         case BWF:
1086                 s << _("BWF");
1087                 break;
1088         case WAVE:
1089                 s << _("WAV");
1090                 break;
1091         case WAVE64:
1092                 s << _("WAV64");
1093                 break;
1094         case CAF:
1095                 s << _("CAF");
1096                 break;
1097         case AIFF:
1098                 s << _("AIFF");
1099                 break;
1100         case iXML:
1101                 s << _("iXML");
1102                 break;
1103         case RF64:
1104                 s << _("RF64");
1105                 break;
1106         }
1107
1108         s << " ";
1109
1110         switch (_session->config.get_native_file_data_format ()) {
1111         case FormatFloat:
1112                 s << _("32-float");
1113                 break;
1114         case FormatInt24:
1115                 s << _("24-int");
1116                 break;
1117         case FormatInt16:
1118                 s << _("16-int");
1119                 break;
1120         }
1121
1122         s << X_("</span>");
1123
1124         format_label.set_markup (s.str ());
1125 }
1126
1127 void
1128 ARDOUR_UI::update_cpu_load ()
1129 {
1130         char buf[64];
1131
1132         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1133            should also be changed.
1134         */
1135
1136         float const c = engine->get_cpu_load ();
1137         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1138         cpu_load_label.set_markup (buf);
1139 }
1140
1141 void
1142 ARDOUR_UI::update_buffer_load ()
1143 {
1144         char buf[256];
1145
1146         uint32_t const playback = _session ? _session->playback_load () : 100;
1147         uint32_t const capture = _session ? _session->capture_load () : 100;
1148
1149         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1150            should also be changed.
1151         */
1152
1153         if (_session) {
1154                 snprintf (
1155                         buf, sizeof (buf),
1156                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1157                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1158                         playback <= 5 ? X_("red") : X_("green"),
1159                         playback,
1160                         capture <= 5 ? X_("red") : X_("green"),
1161                         capture
1162                         );
1163
1164                 buffer_load_label.set_markup (buf);
1165         } else {
1166                 buffer_load_label.set_text ("");
1167         }
1168 }
1169
1170 void
1171 ARDOUR_UI::count_recenabled_streams (Route& route)
1172 {
1173         Track* track = dynamic_cast<Track*>(&route);
1174         if (track && track->record_enabled()) {
1175                 rec_enabled_streams += track->n_inputs().n_total();
1176         }
1177 }
1178
1179 void
1180 ARDOUR_UI::update_disk_space()
1181 {
1182         if (_session == 0) {
1183                 return;
1184         }
1185
1186         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1187         char buf[64];
1188         framecnt_t fr = _session->frame_rate();
1189
1190         if (!opt_frames) {
1191                 /* Available space is unknown */
1192                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1193         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1194                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1195         } else {
1196                 rec_enabled_streams = 0;
1197                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1198
1199                 framecnt_t frames = opt_frames.get_value_or (0);
1200
1201                 if (rec_enabled_streams) {
1202                         frames /= rec_enabled_streams;
1203                 }
1204
1205                 int hrs;
1206                 int mins;
1207                 int secs;
1208
1209                 hrs  = frames / (fr * 3600);
1210
1211                 if (hrs > 24) {
1212                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1213                 } else {
1214                         frames -= hrs * fr * 3600;
1215                         mins = frames / (fr * 60);
1216                         frames -= mins * fr * 60;
1217                         secs = frames / fr;
1218
1219                         bool const low = (hrs == 0 && mins <= 30);
1220
1221                         snprintf (
1222                                 buf, sizeof(buf),
1223                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1224                                 low ? X_("red") : X_("green"),
1225                                 hrs, mins, secs
1226                                 );
1227                 }
1228         }
1229
1230         disk_space_label.set_markup (buf);
1231 }
1232
1233 void
1234 ARDOUR_UI::update_timecode_format ()
1235 {
1236         char buf[64];
1237
1238         if (_session) {
1239                 bool matching;
1240                 TimecodeSlave* tcslave;
1241                 SyncSource sync_src = Config->get_sync_source();
1242
1243                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1244                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1245                 } else {
1246                         matching = true;
1247                 }
1248
1249                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1250                           matching ? X_("green") : X_("red"),
1251                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1252         } else {
1253                 snprintf (buf, sizeof (buf), "TC: n/a");
1254         }
1255
1256         timecode_format_label.set_markup (buf);
1257 }
1258
1259 gint
1260 ARDOUR_UI::update_wall_clock ()
1261 {
1262         time_t now;
1263         struct tm *tm_now;
1264         static int last_min = -1;
1265
1266         time (&now);
1267         tm_now = localtime (&now);
1268         if (last_min != tm_now->tm_min) {
1269                 char buf[16];
1270                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1271                 wall_clock_label.set_text (buf);
1272                 last_min = tm_now->tm_min;
1273         }
1274
1275         return TRUE;
1276 }
1277
1278 void
1279 ARDOUR_UI::redisplay_recent_sessions ()
1280 {
1281         std::vector<std::string> session_directories;
1282         RecentSessionsSorter cmp;
1283
1284         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1285         recent_session_model->clear ();
1286
1287         ARDOUR::RecentSessions rs;
1288         ARDOUR::read_recent_sessions (rs);
1289
1290         if (rs.empty()) {
1291                 recent_session_display.set_model (recent_session_model);
1292                 return;
1293         }
1294
1295         // sort them alphabetically
1296         sort (rs.begin(), rs.end(), cmp);
1297
1298         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1299                 session_directories.push_back ((*i).second);
1300         }
1301
1302         for (vector<std::string>::const_iterator i = session_directories.begin();
1303                         i != session_directories.end(); ++i)
1304         {
1305                 std::vector<std::string> state_file_paths;
1306
1307                 // now get available states for this session
1308
1309                 get_state_files_in_directory (*i, state_file_paths);
1310
1311                 vector<string*>* states;
1312                 vector<const gchar*> item;
1313                 string fullpath = *i;
1314
1315                 /* remove any trailing / */
1316
1317                 if (fullpath[fullpath.length() - 1] == '/') {
1318                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1319                 }
1320
1321                 /* check whether session still exists */
1322                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1323                         /* session doesn't exist */
1324                         continue;
1325                 }
1326
1327                 /* now get available states for this session */
1328
1329                 if ((states = Session::possible_states (fullpath)) == 0) {
1330                         /* no state file? */
1331                         continue;
1332                 }
1333
1334                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1335
1336                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1337
1338                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1339                 row[recent_session_columns.fullpath] = fullpath;
1340                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1341
1342                 if (state_file_names.size() > 1) {
1343
1344                         // add the children
1345
1346                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1347                                         i2 != state_file_names.end(); ++i2)
1348                         {
1349
1350                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1351
1352                                 child_row[recent_session_columns.visible_name] = *i2;
1353                                 child_row[recent_session_columns.fullpath] = fullpath;
1354                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1355                         }
1356                 }
1357         }
1358
1359         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1360         recent_session_display.set_model (recent_session_model);
1361 }
1362
1363 void
1364 ARDOUR_UI::build_session_selector ()
1365 {
1366         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1367
1368         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1369
1370         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1371         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1372         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1373         recent_session_model = TreeStore::create (recent_session_columns);
1374         recent_session_display.set_model (recent_session_model);
1375         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1376         recent_session_display.set_headers_visible (false);
1377         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1378         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1379
1380         scroller->add (recent_session_display);
1381         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1382
1383         session_selector_window->set_name ("SessionSelectorWindow");
1384         session_selector_window->set_size_request (200, 400);
1385         session_selector_window->get_vbox()->pack_start (*scroller);
1386
1387         recent_session_display.show();
1388         scroller->show();
1389 }
1390
1391 void
1392 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1393 {
1394         session_selector_window->response (RESPONSE_ACCEPT);
1395 }
1396
1397 void
1398 ARDOUR_UI::open_recent_session ()
1399 {
1400         bool can_return = (_session != 0);
1401
1402         if (session_selector_window == 0) {
1403                 build_session_selector ();
1404         }
1405
1406         redisplay_recent_sessions ();
1407
1408         while (true) {
1409
1410                 ResponseType r = (ResponseType) session_selector_window->run ();
1411
1412                 switch (r) {
1413                 case RESPONSE_ACCEPT:
1414                         break;
1415                 default:
1416                         if (can_return) {
1417                                 session_selector_window->hide();
1418                                 return;
1419                         } else {
1420                                 exit (1);
1421                         }
1422                 }
1423
1424                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1425                         continue;
1426                 }
1427
1428                 session_selector_window->hide();
1429
1430                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1431
1432                 if (i == recent_session_model->children().end()) {
1433                         return;
1434                 }
1435
1436                 std::string path = (*i)[recent_session_columns.fullpath];
1437                 std::string state = (*i)[recent_session_columns.visible_name];
1438
1439                 _session_is_new = false;
1440
1441                 if (load_session (path, state) == 0) {
1442                         break;
1443                 }
1444
1445                 can_return = false;
1446         }
1447 }
1448
1449 bool
1450 ARDOUR_UI::check_audioengine ()
1451 {
1452         if (engine) {
1453                 if (!engine->connected()) {
1454                         MessageDialog msg (string_compose (
1455                                                    _("%1 is not connected to JACK\n"
1456                                                      "You cannot open or close sessions in this condition"),
1457                                                    PROGRAM_NAME));
1458                         pop_back_splash (msg);
1459                         msg.run ();
1460                         return false;
1461                 }
1462                 return true;
1463         } else {
1464                 return false;
1465         }
1466 }
1467
1468 void
1469 ARDOUR_UI::open_session ()
1470 {
1471         if (!check_audioengine()) {
1472                 return;
1473
1474         }
1475
1476         /* popup selector window */
1477
1478         if (open_session_selector == 0) {
1479
1480                 /* ardour sessions are folders */
1481
1482                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1483                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1484                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1485                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1486
1487                 if (_session) {
1488                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1489                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1490                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1491                         open_session_selector->set_current_folder(session_parent_dir);
1492                 } else {
1493                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1494                 }
1495
1496                 string default_session_folder = Config->get_default_session_parent_dir();
1497                 try {
1498                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1499                         open_session_selector->add_shortcut_folder (default_session_folder);
1500                 }
1501                 catch (Glib::Error & e) {
1502                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1503                 }
1504
1505                 FileFilter session_filter;
1506                 session_filter.add_pattern ("*.ardour");
1507                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1508                 open_session_selector->add_filter (session_filter);
1509                 open_session_selector->set_filter (session_filter);
1510         }
1511
1512         int response = open_session_selector->run();
1513         open_session_selector->hide ();
1514
1515         switch (response) {
1516         case RESPONSE_ACCEPT:
1517                 break;
1518         default:
1519                 open_session_selector->hide();
1520                 return;
1521         }
1522
1523         open_session_selector->hide();
1524         string session_path = open_session_selector->get_filename();
1525         string path, name;
1526         bool isnew;
1527
1528         if (session_path.length() > 0) {
1529                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1530                         _session_is_new = isnew;
1531                         load_session (path, name);
1532                 }
1533         }
1534 }
1535
1536
1537 void
1538 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1539                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1540 {
1541         list<boost::shared_ptr<MidiTrack> > tracks;
1542
1543         if (_session == 0) {
1544                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1545                 return;
1546         }
1547
1548         try {
1549                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1550
1551                 if (tracks.size() != how_many) {
1552                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1553                 }
1554         }
1555
1556         catch (...) {
1557                 MessageDialog msg (*editor,
1558                                    string_compose (_("There are insufficient JACK ports available\n\
1559 to create a new track or bus.\n\
1560 You should save %1, exit and\n\
1561 restart JACK with more ports."), PROGRAM_NAME));
1562                 msg.run ();
1563         }
1564 }
1565
1566
1567 void
1568 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1569 {
1570         ChanCount one_midi_channel;
1571         one_midi_channel.set (DataType::MIDI, 1);
1572
1573         if (disk) {
1574                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1575         }
1576 }
1577
1578 void
1579 ARDOUR_UI::session_add_audio_route (
1580         bool track,
1581         int32_t input_channels,
1582         int32_t output_channels,
1583         ARDOUR::TrackMode mode,
1584         RouteGroup* route_group,
1585         uint32_t how_many,
1586         string const & name_template
1587         )
1588 {
1589         list<boost::shared_ptr<AudioTrack> > tracks;
1590         RouteList routes;
1591
1592         if (_session == 0) {
1593                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1594                 return;
1595         }
1596
1597         try {
1598                 if (track) {
1599                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1600
1601                         if (tracks.size() != how_many) {
1602                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1603                                       << endmsg;
1604                         }
1605
1606                 } else {
1607
1608                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1609
1610                         if (routes.size() != how_many) {
1611                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1612                                       << endmsg;
1613                         }
1614                 }
1615         }
1616
1617         catch (...) {
1618                 MessageDialog msg (*editor,
1619                                    string_compose (_("There are insufficient JACK ports available\n\
1620 to create a new track or bus.\n\
1621 You should save %1, exit and\n\
1622 restart JACK with more ports."), PROGRAM_NAME));
1623                 pop_back_splash (msg);
1624                 msg.run ();
1625         }
1626 }
1627
1628 void
1629 ARDOUR_UI::transport_goto_start ()
1630 {
1631         if (_session) {
1632                 _session->goto_start();
1633
1634                 /* force displayed area in editor to start no matter
1635                    what "follow playhead" setting is.
1636                 */
1637
1638                 if (editor) {
1639                         editor->center_screen (_session->current_start_frame ());
1640                 }
1641         }
1642 }
1643
1644 void
1645 ARDOUR_UI::transport_goto_zero ()
1646 {
1647         if (_session) {
1648                 _session->request_locate (0);
1649
1650                 /* force displayed area in editor to start no matter
1651                    what "follow playhead" setting is.
1652                 */
1653
1654                 if (editor) {
1655                         editor->reset_x_origin (0);
1656                 }
1657         }
1658 }
1659
1660 void
1661 ARDOUR_UI::transport_goto_wallclock ()
1662 {
1663         if (_session && editor) {
1664
1665                 time_t now;
1666                 struct tm tmnow;
1667                 framepos_t frames;
1668
1669                 time (&now);
1670                 localtime_r (&now, &tmnow);
1671
1672                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1673                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1674                 frames += tmnow.tm_sec * _session->frame_rate();
1675
1676                 _session->request_locate (frames, _session->transport_rolling ());
1677
1678                 /* force displayed area in editor to start no matter
1679                    what "follow playhead" setting is.
1680                 */
1681
1682                 if (editor) {
1683                         editor->center_screen (frames);
1684                 }
1685         }
1686 }
1687
1688 void
1689 ARDOUR_UI::transport_goto_end ()
1690 {
1691         if (_session) {
1692                 framepos_t const frame = _session->current_end_frame();
1693                 _session->request_locate (frame);
1694
1695                 /* force displayed area in editor to start no matter
1696                    what "follow playhead" setting is.
1697                 */
1698
1699                 if (editor) {
1700                         editor->center_screen (frame);
1701                 }
1702         }
1703 }
1704
1705 void
1706 ARDOUR_UI::transport_stop ()
1707 {
1708         if (!_session) {
1709                 return;
1710         }
1711
1712         if (_session->is_auditioning()) {
1713                 _session->cancel_audition ();
1714                 return;
1715         }
1716
1717         _session->request_stop (false, true);
1718 }
1719
1720 void
1721 ARDOUR_UI::transport_record (bool roll)
1722 {
1723
1724         if (_session) {
1725                 switch (_session->record_status()) {
1726                 case Session::Disabled:
1727                         if (_session->ntracks() == 0) {
1728                                 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."));
1729                                 msg.run ();
1730                                 return;
1731                         }
1732                         _session->maybe_enable_record ();
1733                         if (roll) {
1734                                 transport_roll ();
1735                         }
1736                         break;
1737                 case Session::Recording:
1738                         if (roll) {
1739                                 _session->request_stop();
1740                         } else {
1741                                 _session->disable_record (false, true);
1742                         }
1743                         break;
1744
1745                 case Session::Enabled:
1746                         _session->disable_record (false, true);
1747                 }
1748         }
1749 }
1750
1751 void
1752 ARDOUR_UI::transport_roll ()
1753 {
1754         if (!_session) {
1755                 return;
1756         }
1757
1758         if (_session->is_auditioning()) {
1759                 return;
1760         }
1761
1762 #if 0
1763         if (_session->config.get_external_sync()) {
1764                 switch (Config->get_sync_source()) {
1765                 case JACK:
1766                         break;
1767                 default:
1768                         /* transport controlled by the master */
1769                         return;
1770                 }
1771         }
1772 #endif
1773
1774         bool rolling = _session->transport_rolling();
1775
1776         if (_session->get_play_loop()) {
1777                 /* XXX it is not possible to just leave seamless loop and keep
1778                    playing at present (nov 4th 2009)
1779                 */
1780                 if (!Config->get_seamless_loop()) {
1781                         _session->request_play_loop (false, true);
1782                 }
1783         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1784                 /* stop playing a range if we currently are */
1785                 _session->request_play_range (0, true);
1786         }
1787
1788         if (!rolling) {
1789                 _session->request_transport_speed (1.0f);
1790         }
1791 }
1792
1793 bool
1794 ARDOUR_UI::get_smart_mode() const
1795 {
1796         return ( editor->get_smart_mode() );
1797 }
1798
1799
1800 void
1801 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1802 {
1803
1804         if (!_session) {
1805                 return;
1806         }
1807
1808         if (_session->is_auditioning()) {
1809                 _session->cancel_audition ();
1810                 return;
1811         }
1812
1813         if (_session->config.get_external_sync()) {
1814                 switch (Config->get_sync_source()) {
1815                 case JACK:
1816                         break;
1817                 default:
1818                         /* transport controlled by the master */
1819                         return;
1820                 }
1821         }
1822
1823         bool rolling = _session->transport_rolling();
1824         bool affect_transport = true;
1825
1826         if (rolling && roll_out_of_bounded_mode) {
1827                 /* drop out of loop/range playback but leave transport rolling */
1828                 if (_session->get_play_loop()) {
1829                         if (Config->get_seamless_loop()) {
1830                                 /* the disk buffers contain copies of the loop - we can't
1831                                    just keep playing, so stop the transport. the user
1832                                    can restart as they wish.
1833                                 */
1834                                 affect_transport = true;
1835                         } else {
1836                                 /* disk buffers are normal, so we can keep playing */
1837                                 affect_transport = false;
1838                         }
1839                         _session->request_play_loop (false, true);
1840                 } else if (_session->get_play_range ()) {
1841                         affect_transport = false;
1842                         _session->request_play_range (0, true);
1843                 }
1844         }
1845
1846         if (affect_transport) {
1847                 if (rolling) {
1848                         _session->request_stop (with_abort, true);
1849                 } else {
1850                         if ( Config->get_always_play_range() ) {
1851                                 _session->request_play_range (&editor->get_selection().time, true);
1852                         }
1853
1854                         _session->request_transport_speed (1.0f);
1855                 }
1856         }
1857 }
1858
1859 void
1860 ARDOUR_UI::toggle_session_auto_loop ()
1861 {
1862         Location * looploc = _session->locations()->auto_loop_location();
1863
1864         if (!_session || !looploc) {
1865                 return;
1866         }
1867
1868         if (_session->get_play_loop()) {
1869
1870                 if (_session->transport_rolling()) {
1871
1872                         _session->request_locate (looploc->start(), true);
1873                         _session->request_play_loop (false);
1874
1875                 } else {
1876                         _session->request_play_loop (false);
1877                 }
1878         } else {
1879                 _session->request_play_loop (true);
1880         }
1881
1882         //show the loop markers
1883         looploc->set_hidden (false, this);
1884 }
1885
1886 void
1887 ARDOUR_UI::transport_play_selection ()
1888 {
1889         if (!_session) {
1890                 return;
1891         }
1892
1893         editor->play_selection ();
1894 }
1895
1896 void
1897 ARDOUR_UI::transport_play_preroll ()
1898 {
1899         if (!_session) {
1900                 return;
1901         }
1902         editor->play_with_preroll ();
1903 }
1904
1905 void
1906 ARDOUR_UI::transport_rewind (int option)
1907 {
1908         float current_transport_speed;
1909
1910         if (_session) {
1911                 current_transport_speed = _session->transport_speed();
1912
1913                 if (current_transport_speed >= 0.0f) {
1914                         switch (option) {
1915                         case 0:
1916                                 _session->request_transport_speed (-1.0f);
1917                                 break;
1918                         case 1:
1919                                 _session->request_transport_speed (-4.0f);
1920                                 break;
1921                         case -1:
1922                                 _session->request_transport_speed (-0.5f);
1923                                 break;
1924                         }
1925                 } else {
1926                         /* speed up */
1927                         _session->request_transport_speed (current_transport_speed * 1.5f);
1928                 }
1929         }
1930 }
1931
1932 void
1933 ARDOUR_UI::transport_forward (int option)
1934 {
1935         if (!_session) {
1936                 return;
1937         }
1938
1939         float current_transport_speed = _session->transport_speed();
1940
1941         if (current_transport_speed <= 0.0f) {
1942                 switch (option) {
1943                 case 0:
1944                         _session->request_transport_speed (1.0f);
1945                         break;
1946                 case 1:
1947                         _session->request_transport_speed (4.0f);
1948                         break;
1949                 case -1:
1950                         _session->request_transport_speed (0.5f);
1951                         break;
1952                 }
1953         } else {
1954                 /* speed up */
1955                 _session->request_transport_speed (current_transport_speed * 1.5f);
1956         }
1957 }
1958
1959 void
1960 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1961 {
1962         if (!_session) {
1963                 return;
1964         }
1965
1966         boost::shared_ptr<Route> r;
1967
1968         if ((r = _session->route_by_remote_id (rid)) != 0) {
1969
1970                 Track* t;
1971
1972                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1973                         t->set_record_enabled (!t->record_enabled(), this);
1974                 }
1975         }
1976 }
1977
1978 void
1979 ARDOUR_UI::map_transport_state ()
1980 {
1981         if (!_session) {
1982                 auto_loop_button.unset_active_state ();
1983                 play_selection_button.unset_active_state ();
1984                 roll_button.unset_active_state ();
1985                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1986                 return;
1987         }
1988
1989         shuttle_box->map_transport_state ();
1990
1991         float sp = _session->transport_speed();
1992
1993         if (sp != 0.0f) {
1994
1995                 /* we're rolling */
1996
1997                 if (_session->get_play_range()) {
1998
1999                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2000                         roll_button.unset_active_state ();
2001                         auto_loop_button.unset_active_state ();
2002
2003                 } else if (_session->get_play_loop ()) {
2004
2005                         auto_loop_button.set_active (true);
2006                         play_selection_button.set_active (false);
2007                         roll_button.set_active (false);
2008
2009                 } else {
2010
2011                         roll_button.set_active (true);
2012                         play_selection_button.set_active (false);
2013                         auto_loop_button.set_active (false);
2014                 }
2015
2016                 if (Config->get_always_play_range()) {
2017                         /* light up both roll and play-selection if they are joined */
2018                         roll_button.set_active (true);
2019                         play_selection_button.set_active (true);
2020                 }
2021
2022                 stop_button.set_active (false);
2023
2024         } else {
2025
2026                 stop_button.set_active (true);
2027                 roll_button.set_active (false);
2028                 play_selection_button.set_active (false);
2029                 auto_loop_button.set_active (false);
2030                 update_disk_space ();
2031         }
2032 }
2033
2034 void
2035 ARDOUR_UI::engine_stopped ()
2036 {
2037         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2038         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2039         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2040 }
2041
2042 void
2043 ARDOUR_UI::engine_running ()
2044 {
2045         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2046         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2047         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2048
2049         Glib::RefPtr<Action> action;
2050         const char* action_name = 0;
2051
2052         switch (engine->frames_per_cycle()) {
2053         case 32:
2054                 action_name = X_("JACKLatency32");
2055                 break;
2056         case 64:
2057                 action_name = X_("JACKLatency64");
2058                 break;
2059         case 128:
2060                 action_name = X_("JACKLatency128");
2061                 break;
2062         case 512:
2063                 action_name = X_("JACKLatency512");
2064                 break;
2065         case 1024:
2066                 action_name = X_("JACKLatency1024");
2067                 break;
2068         case 2048:
2069                 action_name = X_("JACKLatency2048");
2070                 break;
2071         case 4096:
2072                 action_name = X_("JACKLatency4096");
2073                 break;
2074         case 8192:
2075                 action_name = X_("JACKLatency8192");
2076                 break;
2077         default:
2078                 /* XXX can we do anything useful ? */
2079                 break;
2080         }
2081
2082         if (action_name) {
2083
2084                 action = ActionManager::get_action (X_("JACK"), action_name);
2085
2086                 if (action) {
2087                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2088                         ract->set_active ();
2089                 }
2090         }
2091 }
2092
2093 void
2094 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2095 {
2096         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2097                 /* we can't rely on the original string continuing to exist when we are called
2098                    again in the GUI thread, so make a copy and note that we need to
2099                    free it later.
2100                 */
2101                 char *copy = strdup (reason);
2102                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2103                 return;
2104         }
2105
2106         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2107         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2108
2109         update_sample_rate (0);
2110
2111         string msgstr;
2112
2113         /* if the reason is a non-empty string, it means that the backend was shutdown
2114            rather than just Ardour.
2115         */
2116
2117         if (strlen (reason)) {
2118                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2119         } else {
2120                 msgstr = string_compose (_("\
2121 JACK has either been shutdown or it\n\
2122 disconnected %1 because %1\n\
2123 was not fast enough. Try to restart\n\
2124 JACK, reconnect and save the session."), PROGRAM_NAME);
2125         }
2126
2127         MessageDialog msg (*editor, msgstr);
2128         pop_back_splash (msg);
2129         msg.set_keep_above (true);
2130         msg.run ();
2131
2132         if (free_reason) {
2133                 free (const_cast<char*> (reason));
2134         }
2135 }
2136
2137 int32_t
2138 ARDOUR_UI::do_engine_start ()
2139 {
2140         try {
2141                 engine->start();
2142         }
2143
2144         catch (...) {
2145                 engine->stop ();
2146                 error << _("Unable to start the session running")
2147                       << endmsg;
2148                 unload_session ();
2149                 return -2;
2150         }
2151
2152         return 0;
2153 }
2154
2155 void
2156 ARDOUR_UI::update_clocks ()
2157 {
2158         if (!editor || !editor->dragging_playhead()) {
2159                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2160         }
2161 }
2162
2163 void
2164 ARDOUR_UI::start_clocking ()
2165 {
2166         if (Config->get_super_rapid_clock_update()) {
2167                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2168         } else {
2169                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2170         }
2171 }
2172
2173 void
2174 ARDOUR_UI::stop_clocking ()
2175 {
2176         clock_signal_connection.disconnect ();
2177 }
2178
2179 gint
2180 ARDOUR_UI::_blink (void *arg)
2181 {
2182         ((ARDOUR_UI *) arg)->blink ();
2183         return TRUE;
2184 }
2185
2186 void
2187 ARDOUR_UI::blink ()
2188 {
2189         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2190 }
2191
2192 void
2193 ARDOUR_UI::start_blinking ()
2194 {
2195         /* Start the blink signal. Everybody with a blinking widget
2196            uses Blink to drive the widget's state.
2197         */
2198
2199         if (blink_timeout_tag < 0) {
2200                 blink_on = false;
2201                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2202         }
2203 }
2204
2205 void
2206 ARDOUR_UI::stop_blinking ()
2207 {
2208         if (blink_timeout_tag >= 0) {
2209                 g_source_remove (blink_timeout_tag);
2210                 blink_timeout_tag = -1;
2211         }
2212 }
2213
2214
2215 /** Ask the user for the name of a new snapshot and then take it.
2216  */
2217
2218 void
2219 ARDOUR_UI::snapshot_session (bool switch_to_it)
2220 {
2221         ArdourPrompter prompter (true);
2222         string snapname;
2223
2224         prompter.set_name ("Prompter");
2225         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2226         prompter.set_title (_("Take Snapshot"));
2227         prompter.set_prompt (_("Name of new snapshot"));
2228
2229         if (!switch_to_it) {
2230                 char timebuf[128];
2231                 time_t n;
2232                 struct tm local_time;
2233
2234                 time (&n);
2235                 localtime_r (&n, &local_time);
2236                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2237                 prompter.set_initial_text (timebuf);
2238         }
2239
2240   again:
2241         switch (prompter.run()) {
2242         case RESPONSE_ACCEPT:
2243         {
2244                 prompter.get_result (snapname);
2245
2246                 bool do_save = (snapname.length() != 0);
2247
2248                 if (do_save) {
2249                         char illegal = Session::session_name_is_legal(snapname);
2250                         if (illegal) {
2251                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2252                                                      "snapshot names may not contain a '%1' character"), illegal));
2253                                 msg.run ();
2254                                 goto again;
2255                         }
2256                 }
2257
2258                 vector<std::string> p;
2259                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2260                 vector<string> n = get_file_names_no_extension (p);
2261                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2262
2263                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2264                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2265                         confirm.get_vbox()->pack_start (m, true, true);
2266                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2267                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2268                         confirm.show_all ();
2269                         switch (confirm.run()) {
2270                         case RESPONSE_CANCEL:
2271                                 do_save = false;
2272                         }
2273                 }
2274
2275                 if (do_save) {
2276                         save_state (snapname, switch_to_it);
2277                 }
2278                 break;
2279         }
2280
2281         default:
2282                 break;
2283         }
2284 }
2285
2286 /** Ask the user for a new session name and then rename the session to it.
2287  */
2288
2289 void
2290 ARDOUR_UI::rename_session ()
2291 {
2292         if (!_session) {
2293                 return;
2294         }
2295
2296         ArdourPrompter prompter (true);
2297         string name;
2298
2299         prompter.set_name ("Prompter");
2300         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2301         prompter.set_title (_("Rename Session"));
2302         prompter.set_prompt (_("New session name"));
2303
2304   again:
2305         switch (prompter.run()) {
2306         case RESPONSE_ACCEPT:
2307         {
2308                 prompter.get_result (name);
2309
2310                 bool do_rename = (name.length() != 0);
2311
2312                 if (do_rename) {
2313                         char illegal = Session::session_name_is_legal (name);
2314
2315                         if (illegal) {
2316                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2317                                                                      "session names may not contain a '%1' character"), illegal));
2318                                 msg.run ();
2319                                 goto again;
2320                         }
2321
2322                         switch (_session->rename (name)) {
2323                         case -1: {
2324                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2325                                 msg.set_position (WIN_POS_MOUSE);
2326                                 msg.run ();
2327                                 goto again;
2328                                 break;
2329                         }
2330                         case 0:
2331                                 break;
2332                         default: {
2333                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2334                                 msg.set_position (WIN_POS_MOUSE);
2335                                 msg.run ();
2336                                 break;
2337                         }
2338                         }
2339                 }
2340
2341                 break;
2342         }
2343
2344         default:
2345                 break;
2346         }
2347 }
2348
2349 void
2350 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2351 {
2352         XMLNode* node = new XMLNode (X_("UI"));
2353
2354         WM::Manager::instance().add_state (*node);
2355
2356         node->add_child_nocopy (gui_object_state->get_state());
2357
2358         _session->add_extra_xml (*node);
2359
2360         save_state_canfail (name, switch_to_it);
2361 }
2362
2363 int
2364 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2365 {
2366         if (_session) {
2367                 int ret;
2368
2369                 if (name.length() == 0) {
2370                         name = _session->snap_name();
2371                 }
2372
2373                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2374                         return ret;
2375                 }
2376         }
2377
2378         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2379         return 0;
2380 }
2381
2382 void
2383 ARDOUR_UI::primary_clock_value_changed ()
2384 {
2385         if (_session) {
2386                 _session->request_locate (primary_clock->current_time ());
2387         }
2388 }
2389
2390 void
2391 ARDOUR_UI::big_clock_value_changed ()
2392 {
2393         if (_session) {
2394                 _session->request_locate (big_clock->current_time ());
2395         }
2396 }
2397
2398 void
2399 ARDOUR_UI::secondary_clock_value_changed ()
2400 {
2401         if (_session) {
2402                 _session->request_locate (secondary_clock->current_time ());
2403         }
2404 }
2405
2406 void
2407 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2408 {
2409         if (_session == 0) {
2410                 return;
2411         }
2412
2413         if (_session->step_editing()) {
2414                 return;
2415         }
2416
2417         Session::RecordState const r = _session->record_status ();
2418         bool const h = _session->have_rec_enabled_track ();
2419
2420         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2421                 if (onoff) {
2422                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2423                 } else {
2424                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2425                 }
2426         } else if (r == Session::Recording && h) {
2427                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2428         } else {
2429                 rec_button.unset_active_state ();
2430         }
2431 }
2432
2433 void
2434 ARDOUR_UI::save_template ()
2435 {
2436         ArdourPrompter prompter (true);
2437         string name;
2438
2439         if (!check_audioengine()) {
2440                 return;
2441         }
2442
2443         prompter.set_name (X_("Prompter"));
2444         prompter.set_title (_("Save Template"));
2445         prompter.set_prompt (_("Name for template:"));
2446         prompter.set_initial_text(_session->name() + _("-template"));
2447         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2448
2449         switch (prompter.run()) {
2450         case RESPONSE_ACCEPT:
2451                 prompter.get_result (name);
2452
2453                 if (name.length()) {
2454                         _session->save_template (name);
2455                 }
2456                 break;
2457
2458         default:
2459                 break;
2460         }
2461 }
2462
2463 void
2464 ARDOUR_UI::edit_metadata ()
2465 {
2466         SessionMetadataEditor dialog;
2467         dialog.set_session (_session);
2468         editor->ensure_float (dialog);
2469         dialog.run ();
2470 }
2471
2472 void
2473 ARDOUR_UI::import_metadata ()
2474 {
2475         SessionMetadataImporter dialog;
2476         dialog.set_session (_session);
2477         editor->ensure_float (dialog);
2478         dialog.run ();
2479 }
2480
2481 bool
2482 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2483 {
2484         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2485
2486         MessageDialog msg (str,
2487                            false,
2488                            Gtk::MESSAGE_WARNING,
2489                            Gtk::BUTTONS_YES_NO,
2490                            true);
2491
2492
2493         msg.set_name (X_("OpenExistingDialog"));
2494         msg.set_title (_("Open Existing Session"));
2495         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2496         msg.set_position (Gtk::WIN_POS_MOUSE);
2497         pop_back_splash (msg);
2498
2499         switch (msg.run()) {
2500         case RESPONSE_YES:
2501                 return true;
2502                 break;
2503         }
2504         return false;
2505 }
2506
2507 int
2508 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2509 {
2510         BusProfile bus_profile;
2511
2512         if (nsm || Profile->get_sae()) {
2513
2514                 bus_profile.master_out_channels = 2;
2515                 bus_profile.input_ac = AutoConnectPhysical;
2516                 bus_profile.output_ac = AutoConnectMaster;
2517                 bus_profile.requested_physical_in = 0; // use all available
2518                 bus_profile.requested_physical_out = 0; // use all available
2519
2520         } else {
2521
2522                 /* get settings from advanced section of NSD */
2523
2524                 if (_startup->create_master_bus()) {
2525                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2526                 } else {
2527                         bus_profile.master_out_channels = 0;
2528                 }
2529
2530                 if (_startup->connect_inputs()) {
2531                         bus_profile.input_ac = AutoConnectPhysical;
2532                 } else {
2533                         bus_profile.input_ac = AutoConnectOption (0);
2534                 }
2535
2536                 bus_profile.output_ac = AutoConnectOption (0);
2537
2538                 if (_startup->connect_outputs ()) {
2539                         if (_startup->connect_outs_to_master()) {
2540                                 bus_profile.output_ac = AutoConnectMaster;
2541                         } else if (_startup->connect_outs_to_physical()) {
2542                                 bus_profile.output_ac = AutoConnectPhysical;
2543                         }
2544                 }
2545
2546                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2547                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2548         }
2549
2550         if (build_session (session_path, session_name, bus_profile)) {
2551                 return -1;
2552         }
2553
2554         return 0;
2555 }
2556
2557 void
2558 ARDOUR_UI::idle_load (const std::string& path)
2559 {
2560         if (_session) {
2561                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2562                         /* /path/to/foo => /path/to/foo, foo */
2563                         load_session (path, basename_nosuffix (path));
2564                 } else {
2565                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2566                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2567                 }
2568
2569         } else {
2570                 ARDOUR_COMMAND_LINE::session_name = path;
2571         }
2572 }
2573
2574 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2575 int
2576 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2577 {
2578         string session_name;
2579         string session_path;
2580         string template_name;
2581         int ret = -1;
2582         bool likely_new = false;
2583
2584         /* deal with any existing DIRTY session now, rather than later. don't
2585          * treat a non-dirty session this way, so that it stays visible
2586          * as we bring up the new session dialog.
2587          */
2588
2589         if (_session && ARDOUR_UI::instance()->video_timeline) {
2590                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2591         }
2592
2593         if (_session && _session->dirty()) {
2594                 if (unload_session (false)) {
2595                         /* unload cancelled by user */
2596                         return 0;
2597                 }
2598                 ARDOUR_COMMAND_LINE::session_name = "";
2599         }
2600
2601         if (!load_template.empty()) {
2602                 should_be_new = true;
2603                 template_name = load_template;
2604         }
2605
2606         while (ret != 0) {
2607
2608                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2609
2610                         /* if they named a specific statefile, use it, otherwise they are
2611                            just giving a session folder, and we want to use it as is
2612                            to find the session.
2613                         */
2614
2615                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2616
2617                         if (suffix != string::npos) {
2618                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2619                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2620                                 session_name = Glib::path_get_basename (session_name);
2621                         } else {
2622                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2623                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2624                         }
2625                 } else {
2626                         session_path = "";
2627                         session_name = "";
2628                 }
2629
2630                 delete _startup;
2631                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2632
2633                 if (!_startup->ready_without_display()) {
2634                         _startup->present ();
2635                         main().run();
2636                         _startup->hide ();
2637                 }
2638
2639                 switch (_startup->response()) {
2640                 case RESPONSE_OK:
2641                         break;
2642                 default:
2643                         if (quit_on_cancel) {
2644                                 exit (1);
2645                         } else {
2646                                 return ret;
2647                         }
2648                 }
2649
2650                 /* if we run the startup dialog again, offer more than just "new session" */
2651
2652                 should_be_new = false;
2653
2654                 session_name = _startup->session_name (likely_new);
2655
2656                 if (nsm) {
2657                         likely_new = true;
2658                 }
2659
2660                 string::size_type suffix = session_name.find (statefile_suffix);
2661
2662                 if (suffix != string::npos) {
2663                         session_name = session_name.substr (0, suffix);
2664                 }
2665
2666                 /* this shouldn't happen, but we catch it just in case it does */
2667
2668                 if (session_name.empty()) {
2669                         continue;
2670                 }
2671
2672                 if (_startup->use_session_template()) {
2673                         template_name = _startup->session_template_name();
2674                         _session_is_new = true;
2675                 }
2676
2677                 if (session_name[0] == G_DIR_SEPARATOR ||
2678                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2679                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2680
2681                         /* absolute path or cwd-relative path specified for session name: infer session folder
2682                            from what was given.
2683                         */
2684
2685                         session_path = Glib::path_get_dirname (session_name);
2686                         session_name = Glib::path_get_basename (session_name);
2687
2688                 } else {
2689
2690                         session_path = _startup->session_folder();
2691
2692                         char illegal = Session::session_name_is_legal (session_name);
2693
2694                         if (illegal) {
2695                                 MessageDialog msg (*_startup,
2696                                                    string_compose (_("To ensure compatibility with various systems\n"
2697                                                                      "session names may not contain a '%1' character"),
2698                                                                    illegal));
2699                                 msg.run ();
2700                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2701                                 continue;
2702                         }
2703                 }
2704
2705                 if (create_engine ()) {
2706                         break;
2707                 }
2708
2709                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2710
2711                         if (likely_new && !nsm) {
2712
2713                                 std::string existing = Glib::build_filename (session_path, session_name);
2714
2715                                 if (!ask_about_loading_existing_session (existing)) {
2716                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2717                                         continue;
2718                                 }
2719                         }
2720
2721                         _session_is_new = false;
2722
2723                 } else {
2724
2725                         if (!likely_new) {
2726                                 if (_startup) {
2727                                         pop_back_splash (*_startup);
2728                                 } else {
2729                                         hide_splash ();
2730                                 }
2731
2732                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2733                                 msg.run ();
2734                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2735                                 continue;
2736                         }
2737
2738                         char illegal = Session::session_name_is_legal(session_name);
2739                         if (illegal) {
2740                                 pop_back_splash (*_startup);
2741                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2742                                                      "session names may not contain a '%1' character"), illegal));
2743                                 msg.run ();
2744                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2745                                 continue;
2746                         }
2747
2748                         _session_is_new = true;
2749                 }
2750
2751                 if (likely_new && template_name.empty()) {
2752
2753                         ret = build_session_from_nsd (session_path, session_name);
2754
2755                 } else {
2756
2757                         ret = load_session (session_path, session_name, template_name);
2758
2759                         if (ret == -2) {
2760                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2761                                 exit (1);
2762                         }
2763
2764                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2765                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2766                                 exit (1);
2767                         }
2768                 }
2769         }
2770
2771         return ret;
2772 }
2773
2774 void
2775 ARDOUR_UI::close_session()
2776 {
2777         if (!check_audioengine()) {
2778                 return;
2779         }
2780
2781         if (unload_session (true)) {
2782                 return;
2783         }
2784
2785         ARDOUR_COMMAND_LINE::session_name = "";
2786
2787         if (get_session_parameters (true, false)) {
2788                 exit (1);
2789         }
2790
2791         goto_editor_window ();
2792 }
2793
2794 /** @param snap_name Snapshot name (without .ardour suffix).
2795  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2796  */
2797 int
2798 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2799 {
2800         Session *new_session;
2801         int unload_status;
2802         int retval = -1;
2803
2804         session_loaded = false;
2805
2806         if (!check_audioengine()) {
2807                 return -2;
2808         }
2809
2810         unload_status = unload_session ();
2811
2812         if (unload_status < 0) {
2813                 goto out;
2814         } else if (unload_status > 0) {
2815                 retval = 0;
2816                 goto out;
2817         }
2818
2819         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2820
2821         try {
2822                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2823         }
2824
2825         /* this one is special */
2826
2827         catch (AudioEngine::PortRegistrationFailure& err) {
2828
2829                 MessageDialog msg (err.what(),
2830                                    true,
2831                                    Gtk::MESSAGE_INFO,
2832                                    Gtk::BUTTONS_CLOSE);
2833
2834                 msg.set_title (_("Port Registration Error"));
2835                 msg.set_secondary_text (_("Click the Close button to try again."));
2836                 msg.set_position (Gtk::WIN_POS_CENTER);
2837                 pop_back_splash (msg);
2838                 msg.present ();
2839
2840                 int response = msg.run ();
2841
2842                 msg.hide ();
2843
2844                 switch (response) {
2845                 case RESPONSE_CANCEL:
2846                         exit (1);
2847                 default:
2848                         break;
2849                 }
2850                 goto out;
2851         }
2852
2853         catch (...) {
2854
2855                 MessageDialog msg (string_compose(
2856                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2857                                            path, snap_name),
2858                                    true,
2859                                    Gtk::MESSAGE_INFO,
2860                                    BUTTONS_OK);
2861
2862                 msg.set_title (_("Loading Error"));
2863                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2864                 msg.add_button (Stock::REFRESH, 1);
2865                 msg.set_position (Gtk::WIN_POS_CENTER);
2866                 pop_back_splash (msg);
2867                 msg.present ();
2868
2869                 int response = msg.run ();
2870
2871                 switch (response) {
2872                 case 1:
2873                         break;
2874                 default:
2875                         exit (1);
2876                 }
2877
2878                 msg.hide ();
2879
2880                 goto out;
2881         }
2882
2883         {
2884                 list<string> const u = new_session->unknown_processors ();
2885                 if (!u.empty()) {
2886                         MissingPluginDialog d (_session, u);
2887                         d.run ();
2888                 }
2889         }
2890
2891         /* Now the session been created, add the transport controls */
2892         new_session->add_controllable(roll_controllable);
2893         new_session->add_controllable(stop_controllable);
2894         new_session->add_controllable(goto_start_controllable);
2895         new_session->add_controllable(goto_end_controllable);
2896         new_session->add_controllable(auto_loop_controllable);
2897         new_session->add_controllable(play_selection_controllable);
2898         new_session->add_controllable(rec_controllable);
2899
2900         set_session (new_session);
2901
2902         session_loaded = true;
2903
2904         goto_editor_window ();
2905
2906         if (_session) {
2907                 _session->set_clean ();
2908         }
2909
2910         flush_pending ();
2911         retval = 0;
2912
2913   out:
2914         return retval;
2915 }
2916
2917 int
2918 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2919 {
2920         Session *new_session;
2921         int x;
2922
2923         if (!check_audioengine()) {
2924                 return -1;
2925         }
2926
2927         session_loaded = false;
2928
2929         x = unload_session ();
2930
2931         if (x < 0) {
2932                 return -1;
2933         } else if (x > 0) {
2934                 return 0;
2935         }
2936
2937         _session_is_new = true;
2938
2939         try {
2940                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2941         }
2942
2943         catch (...) {
2944
2945                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2946                 pop_back_splash (msg);
2947                 msg.run ();
2948                 return -1;
2949         }
2950
2951         /* Give the new session the default GUI state, if such things exist */
2952
2953         XMLNode* n;
2954         n = Config->instant_xml (X_("Editor"));
2955         if (n) {
2956                 new_session->add_instant_xml (*n, false);
2957         }
2958         n = Config->instant_xml (X_("Mixer"));
2959         if (n) {
2960                 new_session->add_instant_xml (*n, false);
2961         }
2962
2963         /* Put the playhead at 0 and scroll fully left */
2964         n = new_session->instant_xml (X_("Editor"));
2965         if (n) {
2966                 n->add_property (X_("playhead"), X_("0"));
2967                 n->add_property (X_("left-frame"), X_("0"));
2968         }
2969
2970         set_session (new_session);
2971
2972         session_loaded = true;
2973
2974         new_session->save_state(new_session->name());
2975
2976         return 0;
2977 }
2978
2979 void
2980 ARDOUR_UI::launch_chat ()
2981 {
2982 #ifdef __APPLE__
2983         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2984 #else
2985         open_uri("http://webchat.freenode.net/?channels=ardour");
2986 #endif
2987 }
2988
2989 void
2990 ARDOUR_UI::launch_manual ()
2991 {
2992         PBD::open_uri (Config->get_tutorial_manual_url());
2993 }
2994
2995 void
2996 ARDOUR_UI::launch_reference ()
2997 {
2998         PBD::open_uri (Config->get_reference_manual_url());
2999 }
3000
3001 void
3002 ARDOUR_UI::loading_message (const std::string& msg)
3003 {
3004         if (ARDOUR_COMMAND_LINE::no_splash) {
3005                 return;
3006         }
3007
3008         if (!splash) {
3009                 show_splash ();
3010         }
3011
3012         splash->message (msg);
3013 }
3014
3015 void
3016 ARDOUR_UI::show_splash ()
3017 {
3018         if (splash == 0) {
3019                 try {
3020                         splash = new Splash;
3021                 } catch (...) {
3022                         return;
3023                 }
3024         }
3025
3026         splash->display ();
3027 }
3028
3029 void
3030 ARDOUR_UI::hide_splash ()
3031 {
3032         delete splash;
3033         splash = 0;
3034 }
3035
3036 void
3037 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3038 {
3039         size_t removed;
3040
3041         removed = rep.paths.size();
3042
3043         if (removed == 0) {
3044                 MessageDialog msgd (*editor,
3045                                     _("No files were ready for clean-up"),
3046                                     true,
3047                                     Gtk::MESSAGE_INFO,
3048                                     Gtk::BUTTONS_OK);
3049                 msgd.set_title (_("Clean-up"));
3050                 msgd.set_secondary_text (_("If this seems suprising, \n\
3051 check for any existing snapshots.\n\
3052 These may still include regions that\n\
3053 require some unused files to continue to exist."));
3054
3055                 msgd.run ();
3056                 return;
3057         }
3058
3059         ArdourDialog results (_("Clean-up"), true, false);
3060
3061         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3062             CleanupResultsModelColumns() {
3063                     add (visible_name);
3064                     add (fullpath);
3065             }
3066             Gtk::TreeModelColumn<std::string> visible_name;
3067             Gtk::TreeModelColumn<std::string> fullpath;
3068         };
3069
3070
3071         CleanupResultsModelColumns results_columns;
3072         Glib::RefPtr<Gtk::ListStore> results_model;
3073         Gtk::TreeView results_display;
3074
3075         results_model = ListStore::create (results_columns);
3076         results_display.set_model (results_model);
3077         results_display.append_column (list_title, results_columns.visible_name);
3078
3079         results_display.set_name ("CleanupResultsList");
3080         results_display.set_headers_visible (true);
3081         results_display.set_headers_clickable (false);
3082         results_display.set_reorderable (false);
3083
3084         Gtk::ScrolledWindow list_scroller;
3085         Gtk::Label txt;
3086         Gtk::VBox dvbox;
3087         Gtk::HBox dhbox;  // the hbox for the image and text
3088         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3089         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3090
3091         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3092
3093         const string dead_directory = _session->session_directory().dead_path();
3094
3095         /* subst:
3096            %1 - number of files removed
3097            %2 - location of "dead"
3098            %3 - size of files affected
3099            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3100         */
3101
3102         const char* bprefix;
3103         double space_adjusted = 0;
3104
3105         if (rep.space < 1000) {
3106                 bprefix = X_("");
3107                 space_adjusted = rep.space;
3108         } else if (rep.space < 1000000) {
3109                 bprefix = _("kilo");
3110                 space_adjusted = truncf((float)rep.space / 1000.0);
3111         } else if (rep.space < 1000000 * 1000) {
3112                 bprefix = _("mega");
3113                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3114         } else {
3115                 bprefix = _("giga");
3116                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3117         }
3118
3119         if (msg_delete) {
3120                 txt.set_markup (string_compose (P_("\
3121 The following file was deleted from %2,\n\
3122 releasing %3 %4bytes of disk space", "\
3123 The following %1 files were deleted from %2,\n\
3124 releasing %3 %4bytes of disk space", removed),
3125                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3126         } else {
3127                 txt.set_markup (string_compose (P_("\
3128 The following file was not in use and \n\
3129 has 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", "\
3133 The following %1 files were not in use and \n\
3134 have been moved to: %2\n\n\
3135 After a restart of %5\n\n\
3136 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3137 will release an additional %3 %4bytes of disk space.\n", removed),
3138                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3139         }
3140
3141         dhbox.pack_start (*dimage, true, false, 5);
3142         dhbox.pack_start (txt, true, false, 5);
3143
3144         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3145                 TreeModel::Row row = *(results_model->append());
3146                 row[results_columns.visible_name] = *i;
3147                 row[results_columns.fullpath] = *i;
3148         }
3149
3150         list_scroller.add (results_display);
3151         list_scroller.set_size_request (-1, 150);
3152         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3153
3154         dvbox.pack_start (dhbox, true, false, 5);
3155         dvbox.pack_start (list_scroller, true, false, 5);
3156         ddhbox.pack_start (dvbox, true, false, 5);
3157
3158         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3159         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3160         results.set_default_response (RESPONSE_CLOSE);
3161         results.set_position (Gtk::WIN_POS_MOUSE);
3162
3163         results_display.show();
3164         list_scroller.show();
3165         txt.show();
3166         dvbox.show();
3167         dhbox.show();
3168         ddhbox.show();
3169         dimage->show();
3170
3171         //results.get_vbox()->show();
3172         results.set_resizable (false);
3173
3174         results.run ();
3175
3176 }
3177
3178 void
3179 ARDOUR_UI::cleanup ()
3180 {
3181         if (_session == 0) {
3182                 /* shouldn't happen: menu item is insensitive */
3183                 return;
3184         }
3185
3186
3187         MessageDialog checker (_("Are you sure you want to clean-up?"),
3188                                 true,
3189                                 Gtk::MESSAGE_QUESTION,
3190                                 Gtk::BUTTONS_NONE);
3191
3192         checker.set_title (_("Clean-up"));
3193
3194         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3195 ALL undo/redo information will be lost if you clean-up.\n\
3196 Clean-up will move all unused files to a \"dead\" location."));
3197
3198         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3199         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3200         checker.set_default_response (RESPONSE_CANCEL);
3201
3202         checker.set_name (_("CleanupDialog"));
3203         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3204         checker.set_position (Gtk::WIN_POS_MOUSE);
3205
3206         switch (checker.run()) {
3207         case RESPONSE_ACCEPT:
3208                 break;
3209         default:
3210                 return;
3211         }
3212
3213         ARDOUR::CleanupReport rep;
3214
3215         editor->prepare_for_cleanup ();
3216
3217         /* do not allow flush until a session is reloaded */
3218
3219         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3220         if (act) {
3221                 act->set_sensitive (false);
3222         }
3223
3224         if (_session->cleanup_sources (rep)) {
3225                 editor->finish_cleanup ();
3226                 return;
3227         }
3228
3229         editor->finish_cleanup ();
3230
3231         checker.hide();
3232         display_cleanup_results (rep, _("Cleaned Files"), false);
3233 }
3234
3235 void
3236 ARDOUR_UI::flush_trash ()
3237 {
3238         if (_session == 0) {
3239                 /* shouldn't happen: menu item is insensitive */
3240                 return;
3241         }
3242
3243         ARDOUR::CleanupReport rep;
3244
3245         if (_session->cleanup_trash_sources (rep)) {
3246                 return;
3247         }
3248
3249         display_cleanup_results (rep, _("deleted file"), true);
3250 }
3251
3252 void
3253 ARDOUR_UI::add_route (Gtk::Window* float_window)
3254 {
3255         int count;
3256
3257         if (!_session) {
3258                 return;
3259         }
3260
3261         if (add_route_dialog->is_visible()) {
3262                 /* we're already doing this */
3263                 return;
3264         }
3265
3266         if (float_window) {
3267                 add_route_dialog->set_transient_for (*float_window);
3268         }
3269
3270         ResponseType r = (ResponseType) add_route_dialog->run ();
3271
3272         add_route_dialog->hide();
3273
3274         switch (r) {
3275                 case RESPONSE_ACCEPT:
3276                         break;
3277                 default:
3278                         return;
3279                         break;
3280         }
3281
3282         if ((count = add_route_dialog->count()) <= 0) {
3283                 return;
3284         }
3285
3286         PBD::ScopedConnection idle_connection;
3287
3288         if (count > 8) {
3289                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3290         }
3291
3292         string template_path = add_route_dialog->track_template();
3293
3294         if (!template_path.empty()) {
3295                 if (add_route_dialog->name_template_is_default())  {
3296                         _session->new_route_from_template (count, template_path, string());
3297                 } else {
3298                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3299                 }
3300                 return;
3301         }
3302
3303         ChanCount input_chan= add_route_dialog->channels ();
3304         ChanCount output_chan;
3305         string name_template = add_route_dialog->name_template ();
3306         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3307         RouteGroup* route_group = add_route_dialog->route_group ();
3308         AutoConnectOption oac = Config->get_output_auto_connect();
3309
3310         if (oac & AutoConnectMaster) {
3311                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3312                 output_chan.set (DataType::MIDI, 0);
3313         } else {
3314                 output_chan = input_chan;
3315         }
3316
3317         /* XXX do something with name template */
3318
3319         switch (add_route_dialog->type_wanted()) {
3320         case AddRouteDialog::AudioTrack:
3321                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3322                 break;
3323         case AddRouteDialog::MidiTrack:
3324                 session_add_midi_track (route_group, count, name_template, instrument);
3325                 break;
3326         case AddRouteDialog::MixedTrack:
3327                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3328                 break;
3329         case AddRouteDialog::AudioBus:
3330                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3331                 break;
3332         }
3333
3334         /* idle connection will end at scope end */
3335 }
3336
3337 void
3338 ARDOUR_UI::stop_video_server (bool ask_confirm)
3339 {
3340         if (!video_server_process && ask_confirm) {
3341                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3342         }
3343         if (video_server_process) {
3344                 if(ask_confirm) {
3345                         ArdourDialog confirm (_("Stop Video-Server"), true);
3346                         Label m (_("Do you really want to stop the Video Server?"));
3347                         confirm.get_vbox()->pack_start (m, true, true);
3348                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3349                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3350                         confirm.show_all ();
3351                         if (confirm.run() == RESPONSE_CANCEL) {
3352                                 return;
3353                         }
3354                 }
3355                 delete video_server_process;
3356                 video_server_process =0;
3357         }
3358 }
3359
3360 void
3361 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3362 {
3363   ARDOUR_UI::start_video_server( float_window, true);
3364 }
3365
3366 bool
3367 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3368 {
3369         if (!_session) {
3370                 return false;
3371         }
3372         if (popup_msg) {
3373                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3374                         if (video_server_process) {
3375                                 popup_error(_("The Video Server is already started."));
3376                         } else {
3377                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3378                         }
3379                 }
3380         }
3381
3382         int firsttime = 0;
3383         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3384                 if (firsttime++) {
3385                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3386                 }
3387                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3388                 if (float_window) {
3389                         video_server_dialog->set_transient_for (*float_window);
3390                 }
3391
3392                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3393                         video_server_dialog->hide();
3394                 } else {
3395                         ResponseType r = (ResponseType) video_server_dialog->run ();
3396                         video_server_dialog->hide();
3397                         if (r != RESPONSE_ACCEPT) { return false; }
3398                         if (video_server_dialog->show_again()) {
3399                                 Config->set_show_video_server_dialog(false);
3400                         }
3401                 }
3402
3403                 std::string icsd_exec = video_server_dialog->get_exec_path();
3404                 std::string icsd_docroot = video_server_dialog->get_docroot();
3405                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3406
3407                 struct stat sb;
3408                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3409                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3410                         continue;
3411                 }
3412 #ifndef WIN32
3413                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3414                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3415                         warning << _("Given Video Server is not an executable file.") << endmsg;
3416                         continue;
3417                 }
3418 #else
3419                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3420                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3421                         warning << _("Given Video Server is not an executable file.") << endmsg;
3422                         continue;
3423                 }
3424 #endif
3425
3426                 char **argp;
3427                 argp=(char**) calloc(9,sizeof(char*));
3428                 argp[0] = strdup(icsd_exec.c_str());
3429                 argp[1] = strdup("-P");
3430                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3431                 argp[3] = strdup("-p");
3432                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3433                 argp[5] = strdup("-C");
3434                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3435                 argp[7] = strdup(icsd_docroot.c_str());
3436                 argp[8] = 0;
3437                 stop_video_server();
3438
3439                 if (icsd_docroot == X_("/")) {
3440                         Config->set_video_advanced_setup(false);
3441                 } else {
3442                         std::ostringstream osstream;
3443                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3444                         Config->set_video_server_url(osstream.str());
3445                         Config->set_video_server_docroot(icsd_docroot);
3446                         Config->set_video_advanced_setup(true);
3447                 }
3448
3449                 if (video_server_process) {
3450                         delete video_server_process;
3451                 }
3452
3453                 video_server_process = new SystemExec(icsd_exec, argp);
3454                 if (video_server_process->start()) {
3455                         warning << _("Cannot launch the video-server") << endmsg;
3456                         continue;
3457                 }
3458                 int timeout = 120; // 6 sec
3459                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3460                         usleep (50000);
3461                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3462                 }
3463                 if (timeout <= 0) {
3464                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3465                 } else {
3466                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3467                                 delete video_server_process;
3468                                 video_server_process = 0;
3469                         }
3470                 }
3471         }
3472         return true;
3473 }
3474
3475 void
3476 ARDOUR_UI::add_video (Gtk::Window* float_window)
3477 {
3478         if (!_session) {
3479                 return;
3480         }
3481
3482         if (!start_video_server(float_window, false)) {
3483                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3484                 return;
3485         }
3486
3487         if (float_window) {
3488                 add_video_dialog->set_transient_for (*float_window);
3489         }
3490
3491         if (add_video_dialog->is_visible()) {
3492                 /* we're already doing this */
3493                 return;
3494         }
3495
3496         ResponseType r = (ResponseType) add_video_dialog->run ();
3497         add_video_dialog->hide();
3498         if (r != RESPONSE_ACCEPT) { return; }
3499
3500         bool local_file, orig_local_file;
3501         std::string path = add_video_dialog->file_name(local_file);
3502
3503         std::string orig_path = path;
3504         orig_local_file = local_file;
3505
3506         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3507
3508         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3509                 warning << string_compose(_("could not open %1"), path) << endmsg;
3510                 return;
3511         }
3512         if (!local_file && path.length() == 0) {
3513                 warning << _("no video-file selected") << endmsg;
3514                 return;
3515         }
3516
3517         switch (add_video_dialog->import_option()) {
3518                 case VTL_IMPORT_TRANSCODE:
3519                         {
3520                                 TranscodeVideoDialog *transcode_video_dialog;
3521                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3522                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3523                                 transcode_video_dialog->hide();
3524                                 if (r != RESPONSE_ACCEPT) {
3525                                         delete transcode_video_dialog;
3526                                         return;
3527                                 }
3528                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3529                                         editor->embed_audio_from_video(
3530                                                         transcode_video_dialog->get_audiofile(),
3531                                                         video_timeline->get_offset()
3532                                                         );
3533                                 }
3534                                 switch (transcode_video_dialog->import_option()) {
3535                                         case VTL_IMPORT_TRANSCODED:
3536                                                 path = transcode_video_dialog->get_filename();
3537                                                 local_file = true;
3538                                                 break;
3539                                         case VTL_IMPORT_REFERENCE:
3540                                                 break;
3541                                         default:
3542                                                 delete transcode_video_dialog;
3543                                                 return;
3544                                 }
3545                                 delete transcode_video_dialog;
3546                         }
3547                         break;
3548                 default:
3549                 case VTL_IMPORT_NONE:
3550                         break;
3551         }
3552
3553         /* strip _session->session_directory().video_path() from video file if possible */
3554         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3555                  path=path.substr(_session->session_directory().video_path().size());
3556                  if (path.at(0) == G_DIR_SEPARATOR) {
3557                          path=path.substr(1);
3558                  }
3559         }
3560
3561         video_timeline->set_update_session_fps(auto_set_session_fps);
3562         if (video_timeline->video_file_info(path, local_file)) {
3563                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3564                 node->add_property (X_("Filename"), path);
3565                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3566                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3567                 if (orig_local_file) {
3568                         node->add_property (X_("OriginalVideoFile"), orig_path);
3569                 } else {
3570                         node->remove_property (X_("OriginalVideoFile"));
3571                 }
3572                 _session->add_extra_xml (*node);
3573                 _session->set_dirty ();
3574
3575                 _session->maybe_update_session_range(
3576                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3577                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3578
3579
3580                 if (add_video_dialog->launch_xjadeo() && local_file) {
3581                         editor->set_xjadeo_sensitive(true);
3582                         editor->toggle_xjadeo_proc(1);
3583                 } else {
3584                         editor->toggle_xjadeo_proc(0);
3585                 }
3586                 editor->toggle_ruler_video(true);
3587         }
3588 }
3589
3590 void
3591 ARDOUR_UI::remove_video ()
3592 {
3593         video_timeline->close_session();
3594         editor->toggle_ruler_video(false);
3595
3596         /* reset state */
3597         video_timeline->set_offset_locked(false);
3598         video_timeline->set_offset(0);
3599
3600         /* delete session state */
3601         XMLNode* node = new XMLNode(X_("Videotimeline"));
3602         _session->add_extra_xml(*node);
3603         node = new XMLNode(X_("Videomonitor"));
3604         _session->add_extra_xml(*node);
3605         stop_video_server();
3606 }
3607
3608 void
3609 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3610 {
3611         if (localcacheonly) {
3612                 video_timeline->vmon_update();
3613         } else {
3614                 video_timeline->flush_cache();
3615         }
3616         editor->queue_visual_videotimeline_update();
3617 }
3618
3619 XMLNode*
3620 ARDOUR_UI::mixer_settings () const
3621 {
3622         XMLNode* node = 0;
3623
3624         if (_session) {
3625                 node = _session->instant_xml(X_("Mixer"));
3626         } else {
3627                 node = Config->instant_xml(X_("Mixer"));
3628         }
3629
3630         if (!node) {
3631                 node = new XMLNode (X_("Mixer"));
3632         }
3633
3634         return node;
3635 }
3636
3637 XMLNode*
3638 ARDOUR_UI::editor_settings () const
3639 {
3640         XMLNode* node = 0;
3641
3642         if (_session) {
3643                 node = _session->instant_xml(X_("Editor"));
3644         } else {
3645                 node = Config->instant_xml(X_("Editor"));
3646         }
3647
3648         if (!node) {
3649                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3650                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3651                 }
3652         }
3653
3654         if (!node) {
3655                 node = new XMLNode (X_("Editor"));
3656         }
3657
3658         return node;
3659 }
3660
3661 XMLNode*
3662 ARDOUR_UI::keyboard_settings () const
3663 {
3664         XMLNode* node = 0;
3665
3666         node = Config->extra_xml(X_("Keyboard"));
3667
3668         if (!node) {
3669                 node = new XMLNode (X_("Keyboard"));
3670         }
3671
3672         return node;
3673 }
3674
3675 void
3676 ARDOUR_UI::create_xrun_marker (framepos_t where)
3677 {
3678         editor->mouse_add_new_marker (where, false, true);
3679 }
3680
3681 void
3682 ARDOUR_UI::halt_on_xrun_message ()
3683 {
3684         MessageDialog msg (*editor,
3685                            _("Recording was stopped because your system could not keep up."));
3686         msg.run ();
3687 }
3688
3689 void
3690 ARDOUR_UI::xrun_handler (framepos_t where)
3691 {
3692         if (!_session) {
3693                 return;
3694         }
3695
3696         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3697
3698         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3699                 create_xrun_marker(where);
3700         }
3701
3702         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3703                 halt_on_xrun_message ();
3704         }
3705 }
3706
3707 void
3708 ARDOUR_UI::disk_overrun_handler ()
3709 {
3710         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3711
3712         if (!have_disk_speed_dialog_displayed) {
3713                 have_disk_speed_dialog_displayed = true;
3714                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3715 The disk system on your computer\n\
3716 was not able to keep up with %1.\n\
3717 \n\
3718 Specifically, it failed to write data to disk\n\
3719 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3720                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3721                 msg->show ();
3722         }
3723 }
3724
3725 void
3726 ARDOUR_UI::disk_underrun_handler ()
3727 {
3728         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3729
3730         if (!have_disk_speed_dialog_displayed) {
3731                 have_disk_speed_dialog_displayed = true;
3732                 MessageDialog* msg = new MessageDialog (
3733                         *editor, string_compose (_("The disk system on your computer\n\
3734 was not able to keep up with %1.\n\
3735 \n\
3736 Specifically, it failed to read data from disk\n\
3737 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3738                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3739                 msg->show ();
3740         }
3741 }
3742
3743 void
3744 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3745 {
3746         have_disk_speed_dialog_displayed = false;
3747         delete msg;
3748 }
3749
3750 void
3751 ARDOUR_UI::session_dialog (std::string msg)
3752 {
3753         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3754
3755         MessageDialog* d;
3756
3757         if (editor) {
3758                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3759         } else {
3760                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3761         }
3762
3763         d->show_all ();
3764         d->run ();
3765         delete d;
3766 }
3767
3768 int
3769 ARDOUR_UI::pending_state_dialog ()
3770 {
3771         HBox* hbox = new HBox();
3772         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3773         ArdourDialog dialog (_("Crash Recovery"), true);
3774         Label  message (string_compose (_("\
3775 This session appears to have been in the\n\
3776 middle of recording when %1 or\n\
3777 the computer was shutdown.\n\
3778 \n\
3779 %1 can recover any captured audio for\n\
3780 you, or it can ignore it. Please decide\n\
3781 what you would like to do.\n"), PROGRAM_NAME));
3782         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3783         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3784         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3785         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3786         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3787         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3788         dialog.set_default_response (RESPONSE_ACCEPT);
3789         dialog.set_position (WIN_POS_CENTER);
3790         message.show();
3791         image->show();
3792         hbox->show();
3793
3794         switch (dialog.run ()) {
3795         case RESPONSE_ACCEPT:
3796                 return 1;
3797         default:
3798                 return 0;
3799         }
3800 }
3801
3802 int
3803 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3804 {
3805         HBox* hbox = new HBox();
3806         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3807         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3808         Label  message (string_compose (_("\
3809 This session was created with a sample rate of %1 Hz, but\n\
3810 %2 is currently running at %3 Hz.  If you load this session,\n\
3811 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3812
3813         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3814         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3815         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3816         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3817         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3818         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3819         dialog.set_default_response (RESPONSE_ACCEPT);
3820         dialog.set_position (WIN_POS_CENTER);
3821         message.show();
3822         image->show();
3823         hbox->show();
3824
3825         switch (dialog.run()) {
3826         case RESPONSE_ACCEPT:
3827                 return 0;
3828         default:
3829                 break;
3830         }
3831
3832         return 1;
3833 }
3834
3835
3836 void
3837 ARDOUR_UI::disconnect_from_jack ()
3838 {
3839         if (engine) {
3840                 if (engine->disconnect_from_jack ()) {
3841                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3842                         msg.run ();
3843                 }
3844
3845                 update_sample_rate (0);
3846         }
3847 }
3848
3849 void
3850 ARDOUR_UI::reconnect_to_jack ()
3851 {
3852         if (engine) {
3853                 if (engine->reconnect_to_jack ()) {
3854                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3855                         msg.run ();
3856                 }
3857
3858                 update_sample_rate (0);
3859         }
3860 }
3861
3862 void
3863 ARDOUR_UI::use_config ()
3864 {
3865         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3866         if (node) {
3867                 set_transport_controllable_state (*node);
3868         }
3869 }
3870
3871 void
3872 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3873 {
3874         if (Config->get_primary_clock_delta_edit_cursor()) {
3875                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3876         } else {
3877                 primary_clock->set (pos);
3878         }
3879
3880         if (Config->get_secondary_clock_delta_edit_cursor()) {
3881                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3882         } else {
3883                 secondary_clock->set (pos);
3884         }
3885
3886         if (big_clock_window) {
3887                 big_clock->set (pos);
3888         }
3889         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3890 }
3891
3892 void
3893 ARDOUR_UI::step_edit_status_change (bool yn)
3894 {
3895         // XXX should really store pre-step edit status of things
3896         // we make insensitive
3897
3898         if (yn) {
3899                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3900                 rec_button.set_sensitive (false);
3901         } else {
3902                 rec_button.unset_active_state ();;
3903                 rec_button.set_sensitive (true);
3904         }
3905 }
3906
3907 void
3908 ARDOUR_UI::record_state_changed ()
3909 {
3910         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3911
3912         if (!_session || !big_clock_window) {
3913                 /* why bother - the clock isn't visible */
3914                 return;
3915         }
3916
3917         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3918                 big_clock->set_active (true);
3919         } else {
3920                 big_clock->set_active (false);
3921         }
3922 }
3923
3924 bool
3925 ARDOUR_UI::first_idle ()
3926 {
3927         if (_session) {
3928                 _session->allow_auto_play (true);
3929         }
3930
3931         if (editor) {
3932                 editor->first_idle();
3933         }
3934
3935         Keyboard::set_can_save_keybindings (true);
3936         return false;
3937 }
3938
3939 void
3940 ARDOUR_UI::store_clock_modes ()
3941 {
3942         XMLNode* node = new XMLNode(X_("ClockModes"));
3943
3944         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3945                 XMLNode* child = new XMLNode (X_("Clock"));
3946
3947                 child->add_property (X_("name"), (*x)->name());
3948                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3949                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3950
3951                 node->add_child_nocopy (*child);
3952         }
3953
3954         _session->add_extra_xml (*node);
3955         _session->set_dirty ();
3956 }
3957
3958 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3959         : Controllable (name), ui (u), type(tp)
3960 {
3961
3962 }
3963
3964 void
3965 ARDOUR_UI::TransportControllable::set_value (double val)
3966 {
3967         if (val < 0.5) {
3968                 /* do nothing: these are radio-style actions */
3969                 return;
3970         }
3971
3972         const char *action = 0;
3973
3974         switch (type) {
3975         case Roll:
3976                 action = X_("Roll");
3977                 break;
3978         case Stop:
3979                 action = X_("Stop");
3980                 break;
3981         case GotoStart:
3982                 action = X_("GotoStart");
3983                 break;
3984         case GotoEnd:
3985                 action = X_("GotoEnd");
3986                 break;
3987         case AutoLoop:
3988                 action = X_("Loop");
3989                 break;
3990         case PlaySelection:
3991                 action = X_("PlaySelection");
3992                 break;
3993         case RecordEnable:
3994                 action = X_("Record");
3995                 break;
3996         default:
3997                 break;
3998         }
3999
4000         if (action == 0) {
4001                 return;
4002         }
4003
4004         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4005
4006         if (act) {
4007                 act->activate ();
4008         }
4009 }
4010
4011 double
4012 ARDOUR_UI::TransportControllable::get_value (void) const
4013 {
4014         float val = 0.0;
4015
4016         switch (type) {
4017         case Roll:
4018                 break;
4019         case Stop:
4020                 break;
4021         case GotoStart:
4022                 break;
4023         case GotoEnd:
4024                 break;
4025         case AutoLoop:
4026                 break;
4027         case PlaySelection:
4028                 break;
4029         case RecordEnable:
4030                 break;
4031         default:
4032                 break;
4033         }
4034
4035         return val;
4036 }
4037
4038 void
4039 ARDOUR_UI::setup_profile ()
4040 {
4041         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4042                 Profile->set_small_screen ();
4043         }
4044
4045         if (getenv ("ARDOUR_SAE")) {
4046                 Profile->set_sae ();
4047                 Profile->set_single_package ();
4048         }
4049 }
4050
4051 int
4052 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4053 {
4054         MissingFileDialog dialog (s, str, type);
4055
4056         dialog.show ();
4057         dialog.present ();
4058
4059         int result = dialog.run ();
4060         dialog.hide ();
4061
4062         switch (result) {
4063         case RESPONSE_OK:
4064                 break;
4065         default:
4066                 return 1; // quit entire session load
4067         }
4068
4069         result = dialog.get_action ();
4070
4071         return result;
4072 }
4073
4074 int
4075 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4076 {
4077         AmbiguousFileDialog dialog (file, hits);
4078
4079         dialog.show ();
4080         dialog.present ();
4081
4082         dialog.run ();
4083         return dialog.get_which ();
4084 }
4085
4086 /** Allocate our thread-local buffers */
4087 void
4088 ARDOUR_UI::get_process_buffers ()
4089 {
4090         _process_thread->get_buffers ();
4091 }
4092
4093 /** Drop our thread-local buffers */
4094 void
4095 ARDOUR_UI::drop_process_buffers ()
4096 {
4097         _process_thread->drop_buffers ();
4098 }
4099
4100 void
4101 ARDOUR_UI::feedback_detected ()
4102 {
4103         _feedback_exists = true;
4104 }
4105
4106 void
4107 ARDOUR_UI::successful_graph_sort ()
4108 {
4109         _feedback_exists = false;
4110 }
4111
4112 void
4113 ARDOUR_UI::midi_panic ()
4114 {
4115         if (_session) {
4116                 _session->midi_panic();
4117         }
4118 }
4119
4120 void
4121 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4122 {
4123         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4124         const char* end_big = "</span>";
4125         const char* start_mono = "<tt>";
4126         const char* end_mono = "</tt>";
4127
4128         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4129                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4130                                              "From now on, use the -2000 version with older versions of %3"),
4131                                            xml_path, backup_path, PROGRAM_NAME,
4132                                            start_big, end_big,
4133                                            start_mono, end_mono), true);
4134
4135         msg.run ();
4136 }
4137
4138
4139 void
4140 ARDOUR_UI::reset_peak_display ()
4141 {
4142         if (!_session || !_session->master_out() || !editor_meter) return;
4143         editor_meter->clear_meters();
4144         editor_meter_max_peak = -INFINITY;
4145         editor_meter_peak_display.set_name ("meterbridge peakindicator");
4146         editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
4147 }
4148
4149 void
4150 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4151 {
4152         if (!_session || !_session->master_out()) return;
4153         if (group == _session->master_out()->route_group()) {
4154                 reset_peak_display ();
4155         }
4156 }
4157
4158 void
4159 ARDOUR_UI::reset_route_peak_display (Route* route)
4160 {
4161         if (!_session || !_session->master_out()) return;
4162         if (_session->master_out().get() == route) {
4163                 reset_peak_display ();
4164         }
4165 }