gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #include <stdint.h>
  31 #include <fcntl.h>
  32 #include <signal.h>
  33 #include <unistd.h>
  34 #include <time.h>
  35
  36 #include <sys/resource.h>
  37 #include <sys/types.h>
  38 #include <sys/sysctl.h>
  39
  40 #include <gtkmm/messagedialog.h>
  41 #include <gtkmm/accelmap.h>
  42
  43 #include "pbd/error.h"
  44 #include "pbd/basename.h"
  45 #include "pbd/compose.h"
  46 #include "pbd/failed_constructor.h"
  47 #include "pbd/enumwriter.h"
  48 #include "pbd/memento_command.h"
  49 #include "pbd/openuri.h"
  50 #include "pbd/file_utils.h"
  51
  52 #include "gtkmm2ext/application.h"
  53 #include "gtkmm2ext/bindings.h"
  54 #include "gtkmm2ext/gtk_ui.h"
  55 #include "gtkmm2ext/utils.h"
  56 #include "gtkmm2ext/click_box.h"
  57 #include "gtkmm2ext/fastmeter.h"
  58 #include "gtkmm2ext/popup.h"
  59 #include "gtkmm2ext/window_title.h"
  60
  61 #include "ardour/ardour.h"
  62 #include "ardour/audio_backend.h"
  63 #include "ardour/audioengine.h"
  64 #include "ardour/audiofilesource.h"
  65 #include "ardour/automation_watch.h"
  66 #include "ardour/diskstream.h"
  67 #include "ardour/filename_extensions.h"
  68 #include "ardour/filesystem_paths.h"
  69 #include "ardour/port.h"
  70 #include "ardour/process_thread.h"
  71 #include "ardour/profile.h"
  72 #include "ardour/recent_sessions.h"
  73 #include "ardour/session_directory.h"
  74 #include "ardour/session_route.h"
  75 #include "ardour/session_state_utils.h"
  76 #include "ardour/session_utils.h"
  77 #include "ardour/slave.h"
  78
  79 #include "timecode/time.h"
  80
  81 typedef uint64_t microseconds_t;
  82
  83 #include "about.h"
  84 #include "actions.h"
  85 #include "add_route_dialog.h"
  86 #include "ambiguous_file_dialog.h"
  87 #include "ardour_ui.h"
  88 #include "audio_clock.h"
  89 #include "big_clock_window.h"
  90 #include "bundle_manager.h"
  91 #include "engine_dialog.h"
  92 #include "gain_meter.h"
  93 #include "global_port_matrix.h"
  94 #include "gui_object.h"
  95 #include "gui_thread.h"
  96 #include "keyboard.h"
  97 #include "keyeditor.h"
  98 #include "location_ui.h"
  99 #include "main_clock.h"
 100 #include "missing_file_dialog.h"
 101 #include "missing_plugin_dialog.h"
 102 #include "mixer_ui.h"
 103 #include "mouse_cursors.h"
 104 #include "opts.h"
 105 #include "pingback.h"
 106 #include "processor_box.h"
 107 #include "prompter.h"
 108 #include "public_editor.h"
 109 #include "rc_option_editor.h"
 110 #include "route_time_axis.h"
 111 #include "route_params_ui.h"
 112 #include "session_metadata_dialog.h"
 113 #include "session_option_editor.h"
 114 #include "shuttle_control.h"
 115 #include "speaker_dialog.h"
 116 #include "splash.h"
 117 #include "startup.h"
 118 #include "theme_manager.h"
 119 #include "time_axis_view_item.h"
 120 #include "utils.h"
 121 #include "video_server_dialog.h"
 122 #include "add_video_dialog.h"
 123 #include "transcode_video_dialog.h"
 124 #include "system_exec.h"
 125
 126 #include "i18n.h"
 127
 128 using namespace ARDOUR;
 129 using namespace PBD;
 130 using namespace Gtkmm2ext;
 131 using namespace Gtk;
 132 using namespace std;
 133
 134 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 135 UIConfiguration *ARDOUR_UI::ui_config = 0;
 136
 137 sigc::signal<void,bool> ARDOUR_UI::Blink;
 138 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 139 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 140 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 141 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 142
 143 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 144
 145         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 146
 147         , gui_object_state (new GUIObjectState)
 148
 149         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 150         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 151
 152           /* big clock */
 153
 154         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 155         , video_timeline(0)
 156
 157           /* start of private members */
 158
 159         , _startup (0)
 160         , nsm (0)
 161         , _was_dirty (false)
 162         , _mixer_on_top (false)
 163         , first_time_engine_run (true)
 164
 165           /* transport */
 166
 167         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 168         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 169         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 170         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 171         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 172         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 173         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 174
 175         , auto_return_button (ArdourButton::led_default_elements)
 176         , follow_edits_button (ArdourButton::led_default_elements)
 177         , auto_input_button (ArdourButton::led_default_elements)
 178
 179         , auditioning_alert_button (_("audition"))
 180         , solo_alert_button (_("solo"))
 181         , feedback_alert_button (_("feedback"))
 182
 183         , editor_meter(0)
 184         , editor_meter_peak_display()
 185
 186         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 187         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 188         , key_editor (X_("key-editor"), _("Key Bindings"))
 189         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 190         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 191         , about (X_("about"), _("About"))
 192         , location_ui (X_("locations"), _("Locations"))
 193         , route_params (X_("inspector"), _("Tracks and Busses"))
 194         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 195         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 196         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 197         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 198         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 199         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 200
 201         , error_log_button (_("Errors"))
 202
 203         , _status_bar_visibility (X_("status-bar"))
 204         , _feedback_exists (false)
 205         , _audio_midi_setup (0)
 206 {
 207         Gtkmm2ext::init(localedir);
 208
 209         splash = 0;
 210
 211         if (theArdourUI == 0) {
 212                 theArdourUI = this;
 213         }
 214
 215         ui_config = new UIConfiguration();
 216         _audio_midi_setup = new EngineControl;
 217
 218         editor = 0;
 219         mixer = 0;
 220         meterbridge = 0;
 221         editor = 0;
 222         _session_is_new = false;
 223         session_selector_window = 0;
 224         last_key_press_time = 0;
 225         video_server_process = 0;
 226         open_session_selector = 0;
 227         have_configure_timeout = false;
 228         have_disk_speed_dialog_displayed = false;
 229         session_loaded = false;
 230         ignore_dual_punch = false;
 231
 232         roll_button.set_controllable (roll_controllable);
 233         stop_button.set_controllable (stop_controllable);
 234         goto_start_button.set_controllable (goto_start_controllable);
 235         goto_end_button.set_controllable (goto_end_controllable);
 236         auto_loop_button.set_controllable (auto_loop_controllable);
 237         play_selection_button.set_controllable (play_selection_controllable);
 238         rec_button.set_controllable (rec_controllable);
 239
 240         roll_button.set_name ("transport button");
 241         stop_button.set_name ("transport button");
 242         goto_start_button.set_name ("transport button");
 243         goto_end_button.set_name ("transport button");
 244         auto_loop_button.set_name ("transport button");
 245         play_selection_button.set_name ("transport button");
 246         rec_button.set_name ("transport recenable button");
 247         midi_panic_button.set_name ("transport button");
 248
 249         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 250         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 251         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 252
 253         last_configure_time= 0;
 254         last_peak_grab = 0;
 255
 256         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 257         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 258
 259         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 260
 261         /* handle dialog requests */
 262
 263         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 264
 265         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 266
 267         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 268
 269         /* handle Audio/MIDI setup when session requires it */
 270
 271         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 272
 273         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 274
 275         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 276
 277         /* handle requests to quit (coming from JACK session) */
 278
 279         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 280
 281         /* tell the user about feedback */
 282
 283         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 284         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 285
 286         /* handle requests to deal with missing files */
 287
 288         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 289
 290         /* and ambiguous files */
 291
 292         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 293
 294         /* lets get this party started */
 295
 296         setup_gtk_ardour_enums ();
 297         setup_profile ();
 298
 299         SessionEvent::create_per_thread_pool ("GUI", 512);
 300
 301         /* we like keyboards */
 302
 303         keyboard = new ArdourKeyboard(*this);
 304
 305         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 306         if (node) {
 307                 keyboard->set_state (*node, Stateful::loading_state_version);
 308         }
 309
 310         /* we don't like certain modifiers */
 311         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 312
 313         reset_dpi();
 314
 315         TimeAxisViewItem::set_constant_heights ();
 316
 317         /* Set this up so that our window proxies can register actions */
 318
 319         ActionManager::init ();
 320
 321         /* The following must happen after ARDOUR::init() so that Config is set up */
 322
 323         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 324
 325         if (ui_xml) {
 326                 theme_manager.set_state (*ui_xml);
 327                 key_editor.set_state (*ui_xml);
 328                 rc_option_editor.set_state (*ui_xml);
 329                 session_option_editor.set_state (*ui_xml);
 330                 speaker_config_window.set_state (*ui_xml);
 331                 about.set_state (*ui_xml);
 332                 add_route_dialog.set_state (*ui_xml);
 333                 add_video_dialog.set_state (*ui_xml);
 334                 route_params.set_state (*ui_xml);
 335                 bundle_manager.set_state (*ui_xml);
 336                 location_ui.set_state (*ui_xml);
 337                 big_clock_window.set_state (*ui_xml);
 338                 audio_port_matrix.set_state (*ui_xml);
 339                 midi_port_matrix.set_state (*ui_xml);
 340         }
 341
 342         WM::Manager::instance().register_window (&theme_manager);
 343         WM::Manager::instance().register_window (&key_editor);
 344         WM::Manager::instance().register_window (&rc_option_editor);
 345         WM::Manager::instance().register_window (&session_option_editor);
 346         WM::Manager::instance().register_window (&speaker_config_window);
 347         WM::Manager::instance().register_window (&about);
 348         WM::Manager::instance().register_window (&add_route_dialog);
 349         WM::Manager::instance().register_window (&add_video_dialog);
 350         WM::Manager::instance().register_window (&route_params);
 351         WM::Manager::instance().register_window (&bundle_manager);
 352         WM::Manager::instance().register_window (&location_ui);
 353         WM::Manager::instance().register_window (&big_clock_window);
 354         WM::Manager::instance().register_window (&audio_port_matrix);
 355         WM::Manager::instance().register_window (&midi_port_matrix);
 356
 357         /* We need to instantiate the theme manager because it loads our
 358            theme files. This should really change so that its window
 359            and its functionality are separate
 360         */
 361
 362         (void) theme_manager.get (true);
 363
 364         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 365         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 366
 367         _process_thread = new ProcessThread ();
 368         _process_thread->init ();
 369
 370         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 371
 372         attach_to_engine ();
 373 }
 374
 375 GlobalPortMatrixWindow*
 376 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 377 {
 378         if (!_session) {
 379                 return 0;
 380         }
 381         return new GlobalPortMatrixWindow (_session, type);
 382 }
 383
 384 void
 385 ARDOUR_UI::attach_to_engine ()
 386 {
 387         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 388         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 389 }
 390
 391 void
 392 ARDOUR_UI::engine_stopped ()
 393 {
 394         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 395         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 396         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 397 }
 398
 399 void
 400 ARDOUR_UI::engine_running ()
 401 {
 402         if (first_time_engine_run) {
 403                 post_engine();
 404                 first_time_engine_run = false;
 405         }
 406
 407         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, true);
 408         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, false);
 409
 410         Glib::RefPtr<Action> action;
 411         const char* action_name = 0;
 412
 413         switch (AudioEngine::instance()->samples_per_cycle()) {
 414         case 32:
 415                 action_name = X_("JACKLatency32");
 416                 break;
 417         case 64:
 418                 action_name = X_("JACKLatency64");
 419                 break;
 420         case 128:
 421                 action_name = X_("JACKLatency128");
 422                 break;
 423         case 512:
 424                 action_name = X_("JACKLatency512");
 425                 break;
 426         case 1024:
 427                 action_name = X_("JACKLatency1024");
 428                 break;
 429         case 2048:
 430                 action_name = X_("JACKLatency2048");
 431                 break;
 432         case 4096:
 433                 action_name = X_("JACKLatency4096");
 434                 break;
 435         case 8192:
 436                 action_name = X_("JACKLatency8192");
 437                 break;
 438         default:
 439                 /* XXX can we do anything useful ? */
 440                 break;
 441         }
 442
 443         if (action_name) {
 444
 445                 action = ActionManager::get_action (X_("JACK"), action_name);
 446
 447                 if (action) {
 448                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
 449                         ract->set_active ();
 450                 }
 451
 452                 update_disk_space ();
 453                 update_cpu_load ();
 454                 update_sample_rate (AudioEngine::instance()->sample_rate());
 455                 update_timecode_format ();
 456         }
 457 }
 458
 459 void
 460 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 461 {
 462         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 463                 /* we can't rely on the original string continuing to exist when we are called
 464                    again in the GUI thread, so make a copy and note that we need to
 465                    free it later.
 466                 */
 467                 char *copy = strdup (reason);
 468                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 469                 return;
 470         }
 471
 472         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 473         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 474
 475         update_sample_rate (0);
 476
 477         string msgstr;
 478
 479         /* if the reason is a non-empty string, it means that the backend was shutdown
 480            rather than just Ardour.
 481         */
 482
 483         if (strlen (reason)) {
 484                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
 485         } else {
 486                 msgstr = string_compose (_("\
 487 JACK has either been shutdown or it\n\
 488 disconnected %1 because %1\n\
 489 was not fast enough. Try to restart\n\
 490 JACK, reconnect and save the session."), PROGRAM_NAME);
 491         }
 492
 493         MessageDialog msg (*editor, msgstr);
 494         pop_back_splash (msg);
 495         msg.set_keep_above (true);
 496         msg.run ();
 497
 498         if (free_reason) {
 499                 free (const_cast<char*> (reason));
 500         }
 501 }
 502
 503 void
 504 ARDOUR_UI::post_engine ()
 505 {
 506         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 507          */
 508
 509         ARDOUR::init_post_engine ();
 510
 511         /* connect to important signals */
 512
 513         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 514         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 515         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 516
 517         _tooltips.enable();
 518
 519         ActionManager::load_menus ();
 520
 521         if (setup_windows ()) {
 522                 throw failed_constructor ();
 523         }
 524
 525         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 526         XMLNode* n = Config->extra_xml (X_("UI"));
 527         if (n) {
 528                 _status_bar_visibility.set_state (*n);
 529         }
 530
 531         check_memory_locking();
 532
 533         /* this is the first point at which all the keybindings are available */
 534
 535         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 536                 vector<string> names;
 537                 vector<string> paths;
 538                 vector<string> tooltips;
 539                 vector<string> keys;
 540                 vector<AccelKey> bindings;
 541
 542                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 543
 544                 vector<string>::iterator n;
 545                 vector<string>::iterator k;
 546                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 547                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 548                 }
 549
 550                 exit (0);
 551         }
 552
 553         blink_timeout_tag = -1;
 554
 555         /* this being a GUI and all, we want peakfiles */
 556
 557         AudioFileSource::set_build_peakfiles (true);
 558         AudioFileSource::set_build_missing_peakfiles (true);
 559
 560         /* set default clock modes */
 561
 562         if (Profile->get_sae()) {
 563                 primary_clock->set_mode (AudioClock::BBT);
 564                 secondary_clock->set_mode (AudioClock::MinSec);
 565         }  else {
 566                 primary_clock->set_mode (AudioClock::Timecode);
 567                 secondary_clock->set_mode (AudioClock::BBT);
 568         }
 569
 570         /* start the time-of-day-clock */
 571
 572 #ifndef GTKOSX
 573         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 574         update_wall_clock ();
 575         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 576 #endif
 577
 578         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 579         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 580         Config->map_parameters (pc);
 581 }
 582
 583 ARDOUR_UI::~ARDOUR_UI ()
 584 {
 585         delete keyboard;
 586         delete editor;
 587         delete mixer;
 588         delete meterbridge;
 589
 590         stop_video_server();
 591 }
 592
 593 void
 594 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 595 {
 596         if (Splash::instance()) {
 597                 Splash::instance()->pop_back_for (win);
 598         }
 599 }
 600
 601 gint
 602 ARDOUR_UI::configure_timeout ()
 603 {
 604         if (last_configure_time == 0) {
 605                 /* no configure events yet */
 606                 return true;
 607         }
 608
 609         /* force a gap of 0.5 seconds since the last configure event
 610          */
 611
 612         if (get_microseconds() - last_configure_time < 500000) {
 613                 return true;
 614         } else {
 615                 have_configure_timeout = false;
 616                 save_ardour_state ();
 617                 return false;
 618         }
 619 }
 620
 621 gboolean
 622 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 623 {
 624         if (have_configure_timeout) {
 625                 last_configure_time = get_microseconds();
 626         } else {
 627                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 628                 have_configure_timeout = true;
 629         }
 630
 631         return FALSE;
 632 }
 633
 634 void
 635 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 636 {
 637         const XMLProperty* prop;
 638
 639         if ((prop = node.property ("roll")) != 0) {
 640                 roll_controllable->set_id (prop->value());
 641         }
 642         if ((prop = node.property ("stop")) != 0) {
 643                 stop_controllable->set_id (prop->value());
 644         }
 645         if ((prop = node.property ("goto-start")) != 0) {
 646                 goto_start_controllable->set_id (prop->value());
 647         }
 648         if ((prop = node.property ("goto-end")) != 0) {
 649                 goto_end_controllable->set_id (prop->value());
 650         }
 651         if ((prop = node.property ("auto-loop")) != 0) {
 652                 auto_loop_controllable->set_id (prop->value());
 653         }
 654         if ((prop = node.property ("play-selection")) != 0) {
 655                 play_selection_controllable->set_id (prop->value());
 656         }
 657         if ((prop = node.property ("rec")) != 0) {
 658                 rec_controllable->set_id (prop->value());
 659         }
 660         if ((prop = node.property ("shuttle")) != 0) {
 661                 shuttle_box->controllable()->set_id (prop->value());
 662         }
 663 }
 664
 665 XMLNode&
 666 ARDOUR_UI::get_transport_controllable_state ()
 667 {
 668         XMLNode* node = new XMLNode(X_("TransportControllables"));
 669         char buf[64];
 670
 671         roll_controllable->id().print (buf, sizeof (buf));
 672         node->add_property (X_("roll"), buf);
 673         stop_controllable->id().print (buf, sizeof (buf));
 674         node->add_property (X_("stop"), buf);
 675         goto_start_controllable->id().print (buf, sizeof (buf));
 676         node->add_property (X_("goto_start"), buf);
 677         goto_end_controllable->id().print (buf, sizeof (buf));
 678         node->add_property (X_("goto_end"), buf);
 679         auto_loop_controllable->id().print (buf, sizeof (buf));
 680         node->add_property (X_("auto_loop"), buf);
 681         play_selection_controllable->id().print (buf, sizeof (buf));
 682         node->add_property (X_("play_selection"), buf);
 683         rec_controllable->id().print (buf, sizeof (buf));
 684         node->add_property (X_("rec"), buf);
 685         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 686         node->add_property (X_("shuttle"), buf);
 687
 688         return *node;
 689 }
 690
 691
 692 gint
 693 ARDOUR_UI::autosave_session ()
 694 {
 695         if (g_main_depth() > 1) {
 696                 /* inside a recursive main loop,
 697                    give up because we may not be able to
 698                    take a lock.
 699                 */
 700                 return 1;
 701         }
 702
 703         if (!Config->get_periodic_safety_backups()) {
 704                 return 1;
 705         }
 706
 707         if (_session) {
 708                 _session->maybe_write_autosave();
 709         }
 710
 711         return 1;
 712 }
 713
 714 void
 715 ARDOUR_UI::update_autosave ()
 716 {
 717         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 718
 719         if (_session && _session->dirty()) {
 720                 if (_autosave_connection.connected()) {
 721                         _autosave_connection.disconnect();
 722                 }
 723
 724                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 725                                 Config->get_periodic_safety_backup_interval() * 1000);
 726
 727         } else {
 728                 if (_autosave_connection.connected()) {
 729                         _autosave_connection.disconnect();
 730                 }
 731         }
 732 }
 733
 734 void
 735 ARDOUR_UI::check_announcements ()
 736 {
 737 #ifdef PHONE_HOME
 738         string _annc_filename;
 739
 740 #ifdef __APPLE__
 741         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 742 #else
 743         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 744 #endif
 745         _annc_filename.append (VERSIONSTRING);
 746
 747         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 748         std::ifstream announce_file (path.c_str());
 749         if ( announce_file.fail() )
 750                 _announce_string = "";
 751         else {
 752                 std::stringstream oss;
 753                 oss << announce_file.rdbuf();
 754                 _announce_string = oss.str();
 755         }
 756
 757         pingback (VERSIONSTRING, path);
 758 #endif
 759 }
 760
 761 void
 762 ARDOUR_UI::startup ()
 763 {
 764         Application* app = Application::instance ();
 765         char *nsm_url;
 766
 767         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 768         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 769
 770         if (ARDOUR_COMMAND_LINE::check_announcements) {
 771                 check_announcements ();
 772         }
 773
 774         app->ready ();
 775
 776         nsm_url = getenv ("NSM_URL");
 777
 778         if (nsm_url) {
 779                 nsm = new NSM_Client;
 780                 if (!nsm->init (nsm_url)) {
 781                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 782
 783                         unsigned int i = 0;
 784                         // wait for announce reply from nsm server
 785                         for ( i = 0; i < 5000; ++i) {
 786                                 nsm->check ();
 787                                 usleep (i);
 788                                 if (nsm->is_active())
 789                                         break;
 790                         }
 791                         // wait for open command from nsm server
 792                         for ( i = 0; i < 5000; ++i) {
 793                                 nsm->check ();
 794                                 usleep (1000);
 795                                 if (nsm->client_id ())
 796                                         break;
 797                         }
 798
 799                         if (_session && nsm) {
 800                                 _session->set_nsm_state( nsm->is_active() );
 801                         }
 802
 803                         // nsm requires these actions disabled
 804                         vector<string> action_names;
 805                         action_names.push_back("SaveAs");
 806                         action_names.push_back("Rename");
 807                         action_names.push_back("New");
 808                         action_names.push_back("Open");
 809                         action_names.push_back("Recent");
 810                         action_names.push_back("Close");
 811
 812                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 813                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 814                                 if (act) {
 815                                         act->set_sensitive (false);
 816                                 }
 817                         }
 818
 819                 }
 820                 else {
 821                         delete nsm;
 822                         nsm = 0;
 823                 }
 824         }
 825
 826         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 827                 exit (1);
 828         }
 829
 830         use_config ();
 831
 832         goto_editor_window ();
 833
 834         WM::Manager::instance().show_visible ();
 835
 836         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 837          * editor window, and we may want stuff to be hidden.
 838          */
 839         _status_bar_visibility.update ();
 840
 841         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 842 }
 843
 844 void
 845 ARDOUR_UI::no_memory_warning ()
 846 {
 847         XMLNode node (X_("no-memory-warning"));
 848         Config->add_instant_xml (node);
 849 }
 850
 851 void
 852 ARDOUR_UI::check_memory_locking ()
 853 {
 854 #ifdef __APPLE__
 855         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 856         return;
 857 #else // !__APPLE__
 858
 859         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 860
 861         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 862
 863                 struct rlimit limits;
 864                 int64_t ram;
 865                 long pages, page_size;
 866 #ifdef __FreeBSD__
 867                 size_t pages_len=sizeof(pages);
 868                 if ((page_size = getpagesize()) < 0 ||
 869                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 870 #else
 871                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 872 #endif
 873                 {
 874                         ram = 0;
 875                 } else {
 876                         ram = (int64_t) pages * (int64_t) page_size;
 877                 }
 878
 879                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 880                         return;
 881                 }
 882
 883                 if (limits.rlim_cur != RLIM_INFINITY) {
 884
 885                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 886
 887                                 MessageDialog msg (
 888                                         string_compose (
 889                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 890                                                   "This might cause %1 to run out of memory before your system "
 891                                                   "runs out of memory. \n\n"
 892                                                   "You can view the memory limit with 'ulimit -l', "
 893                                                   "and it is normally controlled by %2"),
 894                                                 PROGRAM_NAME,
 895 #ifdef __FreeBSD__
 896                                                 X_("/etc/login.conf")
 897 #else
 898                                                 X_(" /etc/security/limits.conf")
 899 #endif
 900                                         ).c_str());
 901
 902                                 msg.set_default_response (RESPONSE_OK);
 903
 904                                 VBox* vbox = msg.get_vbox();
 905                                 HBox hbox;
 906                                 CheckButton cb (_("Do not show this window again"));
 907
 908                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 909
 910                                 hbox.pack_start (cb, true, false);
 911                                 vbox->pack_start (hbox);
 912                                 cb.show();
 913                                 vbox->show();
 914                                 hbox.show ();
 915
 916                                 pop_back_splash (msg);
 917
 918                                 editor->ensure_float (msg);
 919                                 msg.run ();
 920                         }
 921                 }
 922         }
 923 #endif // !__APPLE__
 924 }
 925
 926
 927 void
 928 ARDOUR_UI::queue_finish ()
 929 {
 930         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 931 }
 932
 933 bool
 934 ARDOUR_UI::idle_finish ()
 935 {
 936         finish ();
 937         return false; /* do not call again */
 938 }
 939
 940 void
 941 ARDOUR_UI::finish()
 942 {
 943         if (_session) {
 944                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 945
 946                 if (_session->dirty()) {
 947                         vector<string> actions;
 948                         actions.push_back (_("Don't quit"));
 949                         actions.push_back (_("Just quit"));
 950                         actions.push_back (_("Save and quit"));
 951                         switch (ask_about_saving_session(actions)) {
 952                         case -1:
 953                                 return;
 954                                 break;
 955                         case 1:
 956                                 /* use the default name */
 957                                 if (save_state_canfail ("")) {
 958                                         /* failed - don't quit */
 959                                         MessageDialog msg (*editor,
 960                                                            string_compose (_("\
 961 %1 was unable to save your session.\n\n\
 962 If you still wish to quit, please use the\n\n\
 963 \"Just quit\" option."), PROGRAM_NAME));
 964                                         pop_back_splash(msg);
 965                                         msg.run ();
 966                                         return;
 967                                 }
 968                                 break;
 969                         case 0:
 970                                 break;
 971                         }
 972                 }
 973
 974                 second_connection.disconnect ();
 975                 point_one_second_connection.disconnect ();
 976                 point_zero_something_second_connection.disconnect();
 977         }
 978
 979         delete ARDOUR_UI::instance()->video_timeline;
 980         ARDOUR_UI::instance()->video_timeline = NULL;
 981         stop_video_server();
 982
 983         /* Save state before deleting the session, as that causes some
 984            windows to be destroyed before their visible state can be
 985            saved.
 986         */
 987         save_ardour_state ();
 988
 989         close_all_dialogs ();
 990
 991         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 992
 993         if (_session) {
 994                 // _session->set_deletion_in_progress ();
 995                 _session->set_clean ();
 996                 _session->remove_pending_capture_state ();
 997                 delete _session;
 998                 _session = 0;
 999         }
1000
1001         halt_connection.disconnect ();
1002         AudioEngine::instance()->stop ();
1003         quit ();
1004 }
1005
1006 int
1007 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1008 {
1009         ArdourDialog window (_("Unsaved Session"));
1010         Gtk::HBox dhbox;  // the hbox for the image and text
1011         Gtk::Label  prompt_label;
1012         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1013
1014         string msg;
1015
1016         assert (actions.size() >= 3);
1017
1018         window.add_button (actions[0], RESPONSE_REJECT);
1019         window.add_button (actions[1], RESPONSE_APPLY);
1020         window.add_button (actions[2], RESPONSE_ACCEPT);
1021
1022         window.set_default_response (RESPONSE_ACCEPT);
1023
1024         Gtk::Button noquit_button (msg);
1025         noquit_button.set_name ("EditorGTKButton");
1026
1027         string prompt;
1028
1029         if (_session->snap_name() == _session->name()) {
1030                 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?"),
1031                                         _session->snap_name());
1032         } else {
1033                 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?"),
1034                                         _session->snap_name());
1035         }
1036
1037         prompt_label.set_text (prompt);
1038         prompt_label.set_name (X_("PrompterLabel"));
1039         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1040
1041         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1042         dhbox.set_homogeneous (false);
1043         dhbox.pack_start (*dimage, false, false, 5);
1044         dhbox.pack_start (prompt_label, true, false, 5);
1045         window.get_vbox()->pack_start (dhbox);
1046
1047         window.set_name (_("Prompter"));
1048         window.set_modal (true);
1049         window.set_resizable (false);
1050
1051         dhbox.show();
1052         prompt_label.show();
1053         dimage->show();
1054         window.show();
1055         window.set_keep_above (true);
1056         window.present ();
1057
1058         ResponseType r = (ResponseType) window.run();
1059
1060         window.hide ();
1061
1062         switch (r) {
1063         case RESPONSE_ACCEPT: // save and get out of here
1064                 return 1;
1065         case RESPONSE_APPLY:  // get out of here
1066                 return 0;
1067         default:
1068                 break;
1069         }
1070
1071         return -1;
1072 }
1073
1074
1075 gint
1076 ARDOUR_UI::every_second ()
1077 {
1078         update_cpu_load ();
1079         update_buffer_load ();
1080         update_disk_space ();
1081         update_timecode_format ();
1082
1083         if (nsm && nsm->is_active ()) {
1084                 nsm->check ();
1085
1086                 if (!_was_dirty && _session->dirty ()) {
1087                         nsm->is_dirty ();
1088                         _was_dirty = true;
1089                 }
1090                 else if (_was_dirty && !_session->dirty ()){
1091                         nsm->is_clean ();
1092                         _was_dirty = false;
1093                 }
1094         }
1095         return TRUE;
1096 }
1097
1098 gint
1099 ARDOUR_UI::every_point_one_seconds ()
1100 {
1101         shuttle_box->update_speed_display ();
1102         RapidScreenUpdate(); /* EMIT_SIGNAL */
1103         return TRUE;
1104 }
1105
1106 gint
1107 ARDOUR_UI::every_point_zero_something_seconds ()
1108 {
1109         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1110
1111         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1112         if (editor_meter && Config->get_show_editor_meter()) {
1113                 float mpeak = editor_meter->update_meters();
1114                 if (mpeak > editor_meter_max_peak) {
1115                         if (mpeak >= Config->get_meter_peak()) {
1116                                 editor_meter_peak_display.set_name ("meterbridge peakindicator on");
1117                                 editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
1118                         }
1119                 }
1120         }
1121         return TRUE;
1122 }
1123
1124 void
1125 ARDOUR_UI::update_sample_rate (framecnt_t)
1126 {
1127         char buf[64];
1128
1129         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1130
1131         if (!AudioEngine::instance()->connected()) {
1132
1133                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1134
1135         } else {
1136
1137                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1138
1139                 if (rate == 0) {
1140                         /* no sample rate available */
1141                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1142                 } else {
1143
1144                         if (fmod (rate, 1000.0) != 0.0) {
1145                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1146                                           (float) rate / 1000.0f,
1147                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1148                         } else {
1149                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1150                                           rate/1000,
1151                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1152                         }
1153                 }
1154         }
1155
1156         sample_rate_label.set_markup (buf);
1157 }
1158
1159 void
1160 ARDOUR_UI::update_format ()
1161 {
1162         if (!_session) {
1163                 format_label.set_text ("");
1164                 return;
1165         }
1166
1167         stringstream s;
1168         s << _("File:") << X_(" <span foreground=\"green\">");
1169
1170         switch (_session->config.get_native_file_header_format ()) {
1171         case BWF:
1172                 s << _("BWF");
1173                 break;
1174         case WAVE:
1175                 s << _("WAV");
1176                 break;
1177         case WAVE64:
1178                 s << _("WAV64");
1179                 break;
1180         case CAF:
1181                 s << _("CAF");
1182                 break;
1183         case AIFF:
1184                 s << _("AIFF");
1185                 break;
1186         case iXML:
1187                 s << _("iXML");
1188                 break;
1189         case RF64:
1190                 s << _("RF64");
1191                 break;
1192         }
1193
1194         s << " ";
1195
1196         switch (_session->config.get_native_file_data_format ()) {
1197         case FormatFloat:
1198                 s << _("32-float");
1199                 break;
1200         case FormatInt24:
1201                 s << _("24-int");
1202                 break;
1203         case FormatInt16:
1204                 s << _("16-int");
1205                 break;
1206         }
1207
1208         s << X_("</span>");
1209
1210         format_label.set_markup (s.str ());
1211 }
1212
1213 void
1214 ARDOUR_UI::update_cpu_load ()
1215 {
1216         char buf[64];
1217
1218         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1219            should also be changed.
1220         */
1221
1222         float const c = AudioEngine::instance()->get_cpu_load ();
1223         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1224         cpu_load_label.set_markup (buf);
1225 }
1226
1227 void
1228 ARDOUR_UI::update_buffer_load ()
1229 {
1230         char buf[256];
1231
1232         uint32_t const playback = _session ? _session->playback_load () : 100;
1233         uint32_t const capture = _session ? _session->capture_load () : 100;
1234
1235         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1236            should also be changed.
1237         */
1238
1239         if (_session) {
1240                 snprintf (
1241                         buf, sizeof (buf),
1242                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1243                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1244                         playback <= 5 ? X_("red") : X_("green"),
1245                         playback,
1246                         capture <= 5 ? X_("red") : X_("green"),
1247                         capture
1248                         );
1249
1250                 buffer_load_label.set_markup (buf);
1251         } else {
1252                 buffer_load_label.set_text ("");
1253         }
1254 }
1255
1256 void
1257 ARDOUR_UI::count_recenabled_streams (Route& route)
1258 {
1259         Track* track = dynamic_cast<Track*>(&route);
1260         if (track && track->record_enabled()) {
1261                 rec_enabled_streams += track->n_inputs().n_total();
1262         }
1263 }
1264
1265 void
1266 ARDOUR_UI::update_disk_space()
1267 {
1268         if (_session == 0) {
1269                 return;
1270         }
1271
1272         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1273         char buf[64];
1274         framecnt_t fr = _session->frame_rate();
1275
1276         if (fr == 0) {
1277                 /* skip update - no SR available */
1278                 return;
1279         }
1280
1281         if (!opt_frames) {
1282                 /* Available space is unknown */
1283                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1284         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1285                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1286         } else {
1287                 rec_enabled_streams = 0;
1288                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1289
1290                 framecnt_t frames = opt_frames.get_value_or (0);
1291
1292                 if (rec_enabled_streams) {
1293                         frames /= rec_enabled_streams;
1294                 }
1295
1296                 int hrs;
1297                 int mins;
1298                 int secs;
1299
1300                 hrs  = frames / (fr * 3600);
1301
1302                 if (hrs > 24) {
1303                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1304                 } else {
1305                         frames -= hrs * fr * 3600;
1306                         mins = frames / (fr * 60);
1307                         frames -= mins * fr * 60;
1308                         secs = frames / fr;
1309
1310                         bool const low = (hrs == 0 && mins <= 30);
1311
1312                         snprintf (
1313                                 buf, sizeof(buf),
1314                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1315                                 low ? X_("red") : X_("green"),
1316                                 hrs, mins, secs
1317                                 );
1318                 }
1319         }
1320
1321         disk_space_label.set_markup (buf);
1322 }
1323
1324 void
1325 ARDOUR_UI::update_timecode_format ()
1326 {
1327         char buf[64];
1328
1329         if (_session) {
1330                 bool matching;
1331                 TimecodeSlave* tcslave;
1332                 SyncSource sync_src = Config->get_sync_source();
1333
1334                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1335                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1336                 } else {
1337                         matching = true;
1338                 }
1339
1340                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1341                           matching ? X_("green") : X_("red"),
1342                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1343         } else {
1344                 snprintf (buf, sizeof (buf), "TC: n/a");
1345         }
1346
1347         timecode_format_label.set_markup (buf);
1348 }
1349
1350 gint
1351 ARDOUR_UI::update_wall_clock ()
1352 {
1353         time_t now;
1354         struct tm *tm_now;
1355         static int last_min = -1;
1356
1357         time (&now);
1358         tm_now = localtime (&now);
1359         if (last_min != tm_now->tm_min) {
1360                 char buf[16];
1361                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1362                 wall_clock_label.set_text (buf);
1363                 last_min = tm_now->tm_min;
1364         }
1365
1366         return TRUE;
1367 }
1368
1369 void
1370 ARDOUR_UI::redisplay_recent_sessions ()
1371 {
1372         std::vector<std::string> session_directories;
1373         RecentSessionsSorter cmp;
1374
1375         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1376         recent_session_model->clear ();
1377
1378         ARDOUR::RecentSessions rs;
1379         ARDOUR::read_recent_sessions (rs);
1380
1381         if (rs.empty()) {
1382                 recent_session_display.set_model (recent_session_model);
1383                 return;
1384         }
1385
1386         // sort them alphabetically
1387         sort (rs.begin(), rs.end(), cmp);
1388
1389         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1390                 session_directories.push_back ((*i).second);
1391         }
1392
1393         for (vector<std::string>::const_iterator i = session_directories.begin();
1394                         i != session_directories.end(); ++i)
1395         {
1396                 std::vector<std::string> state_file_paths;
1397
1398                 // now get available states for this session
1399
1400                 get_state_files_in_directory (*i, state_file_paths);
1401
1402                 vector<string*>* states;
1403                 vector<const gchar*> item;
1404                 string fullpath = *i;
1405
1406                 /* remove any trailing / */
1407
1408                 if (fullpath[fullpath.length() - 1] == '/') {
1409                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1410                 }
1411
1412                 /* check whether session still exists */
1413                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1414                         /* session doesn't exist */
1415                         continue;
1416                 }
1417
1418                 /* now get available states for this session */
1419
1420                 if ((states = Session::possible_states (fullpath)) == 0) {
1421                         /* no state file? */
1422                         continue;
1423                 }
1424
1425                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1426
1427                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1428
1429                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1430                 row[recent_session_columns.fullpath] = fullpath;
1431                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1432
1433                 if (state_file_names.size() > 1) {
1434
1435                         // add the children
1436
1437                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1438                                         i2 != state_file_names.end(); ++i2)
1439                         {
1440
1441                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1442
1443                                 child_row[recent_session_columns.visible_name] = *i2;
1444                                 child_row[recent_session_columns.fullpath] = fullpath;
1445                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1446                         }
1447                 }
1448         }
1449
1450         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1451         recent_session_display.set_model (recent_session_model);
1452 }
1453
1454 void
1455 ARDOUR_UI::build_session_selector ()
1456 {
1457         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1458
1459         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1460
1461         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1462         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1463         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1464         recent_session_model = TreeStore::create (recent_session_columns);
1465         recent_session_display.set_model (recent_session_model);
1466         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1467         recent_session_display.set_headers_visible (false);
1468         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1469         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1470
1471         scroller->add (recent_session_display);
1472         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1473
1474         session_selector_window->set_name ("SessionSelectorWindow");
1475         session_selector_window->set_size_request (200, 400);
1476         session_selector_window->get_vbox()->pack_start (*scroller);
1477
1478         recent_session_display.show();
1479         scroller->show();
1480 }
1481
1482 void
1483 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1484 {
1485         session_selector_window->response (RESPONSE_ACCEPT);
1486 }
1487
1488 void
1489 ARDOUR_UI::open_recent_session ()
1490 {
1491         bool can_return = (_session != 0);
1492
1493         if (session_selector_window == 0) {
1494                 build_session_selector ();
1495         }
1496
1497         redisplay_recent_sessions ();
1498
1499         while (true) {
1500
1501                 ResponseType r = (ResponseType) session_selector_window->run ();
1502
1503                 switch (r) {
1504                 case RESPONSE_ACCEPT:
1505                         break;
1506                 default:
1507                         if (can_return) {
1508                                 session_selector_window->hide();
1509                                 return;
1510                         } else {
1511                                 exit (1);
1512                         }
1513                 }
1514
1515                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1516                         continue;
1517                 }
1518
1519                 session_selector_window->hide();
1520
1521                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1522
1523                 if (i == recent_session_model->children().end()) {
1524                         return;
1525                 }
1526
1527                 std::string path = (*i)[recent_session_columns.fullpath];
1528                 std::string state = (*i)[recent_session_columns.visible_name];
1529
1530                 _session_is_new = false;
1531
1532                 if (load_session (path, state) == 0) {
1533                         break;
1534                 }
1535
1536                 can_return = false;
1537         }
1538 }
1539
1540 bool
1541 ARDOUR_UI::check_audioengine ()
1542 {
1543         if (!AudioEngine::instance()->connected()) {
1544                 MessageDialog msg (string_compose (
1545                                            _("%1 is not connected to any audio backend.\n"
1546                                              "You cannot open or close sessions in this condition"),
1547                                            PROGRAM_NAME));
1548                 pop_back_splash (msg);
1549                 msg.run ();
1550                 return false;
1551         }
1552         return true;
1553 }
1554
1555 void
1556 ARDOUR_UI::open_session ()
1557 {
1558         if (!check_audioengine()) {
1559                 return;
1560
1561         }
1562
1563         /* popup selector window */
1564
1565         if (open_session_selector == 0) {
1566
1567                 /* ardour sessions are folders */
1568
1569                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1570                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1571                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1572                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1573
1574                 if (_session) {
1575                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1576                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1577                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1578                         open_session_selector->set_current_folder(session_parent_dir);
1579                 } else {
1580                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1581                 }
1582
1583                 string default_session_folder = Config->get_default_session_parent_dir();
1584                 try {
1585                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1586                         open_session_selector->add_shortcut_folder (default_session_folder);
1587                 }
1588                 catch (Glib::Error & e) {
1589                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1590                 }
1591
1592                 FileFilter session_filter;
1593                 session_filter.add_pattern ("*.ardour");
1594                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1595                 open_session_selector->add_filter (session_filter);
1596                 open_session_selector->set_filter (session_filter);
1597         }
1598
1599         int response = open_session_selector->run();
1600         open_session_selector->hide ();
1601
1602         switch (response) {
1603         case RESPONSE_ACCEPT:
1604                 break;
1605         default:
1606                 open_session_selector->hide();
1607                 return;
1608         }
1609
1610         open_session_selector->hide();
1611         string session_path = open_session_selector->get_filename();
1612         string path, name;
1613         bool isnew;
1614
1615         if (session_path.length() > 0) {
1616                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1617                         _session_is_new = isnew;
1618                         load_session (path, name);
1619                 }
1620         }
1621 }
1622
1623
1624 void
1625 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1626                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1627 {
1628         list<boost::shared_ptr<MidiTrack> > tracks;
1629
1630         if (_session == 0) {
1631                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1632                 return;
1633         }
1634
1635         try {
1636                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1637
1638                 if (tracks.size() != how_many) {
1639                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1640                 }
1641         }
1642
1643         catch (...) {
1644                 MessageDialog msg (*editor,
1645                                    string_compose (_("There are insufficient JACK ports available\n\
1646 to create a new track or bus.\n\
1647 You should save %1, exit and\n\
1648 restart JACK with more ports."), PROGRAM_NAME));
1649                 msg.run ();
1650         }
1651 }
1652
1653
1654 void
1655 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1656 {
1657         ChanCount one_midi_channel;
1658         one_midi_channel.set (DataType::MIDI, 1);
1659
1660         if (disk) {
1661                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1662         }
1663 }
1664
1665 void
1666 ARDOUR_UI::session_add_audio_route (
1667         bool track,
1668         int32_t input_channels,
1669         int32_t output_channels,
1670         ARDOUR::TrackMode mode,
1671         RouteGroup* route_group,
1672         uint32_t how_many,
1673         string const & name_template
1674         )
1675 {
1676         list<boost::shared_ptr<AudioTrack> > tracks;
1677         RouteList routes;
1678
1679         if (_session == 0) {
1680                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1681                 return;
1682         }
1683
1684         try {
1685                 if (track) {
1686                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1687
1688                         if (tracks.size() != how_many) {
1689                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1690                                       << endmsg;
1691                         }
1692
1693                 } else {
1694
1695                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1696
1697                         if (routes.size() != how_many) {
1698                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1699                                       << endmsg;
1700                         }
1701                 }
1702         }
1703
1704         catch (...) {
1705                 MessageDialog msg (*editor,
1706                                    string_compose (_("There are insufficient JACK ports available\n\
1707 to create a new track or bus.\n\
1708 You should save %1, exit and\n\
1709 restart JACK with more ports."), PROGRAM_NAME));
1710                 pop_back_splash (msg);
1711                 msg.run ();
1712         }
1713 }
1714
1715 void
1716 ARDOUR_UI::transport_goto_start ()
1717 {
1718         if (_session) {
1719                 _session->goto_start();
1720
1721                 /* force displayed area in editor to start no matter
1722                    what "follow playhead" setting is.
1723                 */
1724
1725                 if (editor) {
1726                         editor->center_screen (_session->current_start_frame ());
1727                 }
1728         }
1729 }
1730
1731 void
1732 ARDOUR_UI::transport_goto_zero ()
1733 {
1734         if (_session) {
1735                 _session->request_locate (0);
1736
1737                 /* force displayed area in editor to start no matter
1738                    what "follow playhead" setting is.
1739                 */
1740
1741                 if (editor) {
1742                         editor->reset_x_origin (0);
1743                 }
1744         }
1745 }
1746
1747 void
1748 ARDOUR_UI::transport_goto_wallclock ()
1749 {
1750         if (_session && editor) {
1751
1752                 time_t now;
1753                 struct tm tmnow;
1754                 framepos_t frames;
1755
1756                 time (&now);
1757                 localtime_r (&now, &tmnow);
1758
1759                 int frame_rate = _session->frame_rate();
1760
1761                 if (frame_rate == 0) {
1762                         /* no frame rate available */
1763                         return;
1764                 }
1765
1766                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1767                 frames += tmnow.tm_min * (60 * frame_rate);
1768                 frames += tmnow.tm_sec * frame_rate;
1769
1770                 _session->request_locate (frames, _session->transport_rolling ());
1771
1772                 /* force displayed area in editor to start no matter
1773                    what "follow playhead" setting is.
1774                 */
1775
1776                 if (editor) {
1777                         editor->center_screen (frames);
1778                 }
1779         }
1780 }
1781
1782 void
1783 ARDOUR_UI::transport_goto_end ()
1784 {
1785         if (_session) {
1786                 framepos_t const frame = _session->current_end_frame();
1787                 _session->request_locate (frame);
1788
1789                 /* force displayed area in editor to start no matter
1790                    what "follow playhead" setting is.
1791                 */
1792
1793                 if (editor) {
1794                         editor->center_screen (frame);
1795                 }
1796         }
1797 }
1798
1799 void
1800 ARDOUR_UI::transport_stop ()
1801 {
1802         if (!_session) {
1803                 return;
1804         }
1805
1806         if (_session->is_auditioning()) {
1807                 _session->cancel_audition ();
1808                 return;
1809         }
1810
1811         _session->request_stop (false, true);
1812 }
1813
1814 void
1815 ARDOUR_UI::transport_record (bool roll)
1816 {
1817
1818         if (_session) {
1819                 switch (_session->record_status()) {
1820                 case Session::Disabled:
1821                         if (_session->ntracks() == 0) {
1822                                 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."));
1823                                 msg.run ();
1824                                 return;
1825                         }
1826                         _session->maybe_enable_record ();
1827                         if (roll) {
1828                                 transport_roll ();
1829                         }
1830                         break;
1831                 case Session::Recording:
1832                         if (roll) {
1833                                 _session->request_stop();
1834                         } else {
1835                                 _session->disable_record (false, true);
1836                         }
1837                         break;
1838
1839                 case Session::Enabled:
1840                         _session->disable_record (false, true);
1841                 }
1842         }
1843 }
1844
1845 void
1846 ARDOUR_UI::transport_roll ()
1847 {
1848         if (!_session) {
1849                 return;
1850         }
1851
1852         if (_session->is_auditioning()) {
1853                 return;
1854         }
1855
1856 #if 0
1857         if (_session->config.get_external_sync()) {
1858                 switch (Config->get_sync_source()) {
1859                 case JACK:
1860                         break;
1861                 default:
1862                         /* transport controlled by the master */
1863                         return;
1864                 }
1865         }
1866 #endif
1867
1868         bool rolling = _session->transport_rolling();
1869
1870         if (_session->get_play_loop()) {
1871                 /* XXX it is not possible to just leave seamless loop and keep
1872                    playing at present (nov 4th 2009)
1873                 */
1874                 if (!Config->get_seamless_loop()) {
1875                         _session->request_play_loop (false, true);
1876                 }
1877         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1878                 /* stop playing a range if we currently are */
1879                 _session->request_play_range (0, true);
1880         }
1881
1882         if (!rolling) {
1883                 _session->request_transport_speed (1.0f);
1884         }
1885 }
1886
1887 bool
1888 ARDOUR_UI::get_smart_mode() const
1889 {
1890         return ( editor->get_smart_mode() );
1891 }
1892
1893
1894 void
1895 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1896 {
1897
1898         if (!_session) {
1899                 return;
1900         }
1901
1902         if (_session->is_auditioning()) {
1903                 _session->cancel_audition ();
1904                 return;
1905         }
1906
1907         if (_session->config.get_external_sync()) {
1908                 switch (Config->get_sync_source()) {
1909                 case JACK:
1910                         break;
1911                 default:
1912                         /* transport controlled by the master */
1913                         return;
1914                 }
1915         }
1916
1917         bool rolling = _session->transport_rolling();
1918         bool affect_transport = true;
1919
1920         if (rolling && roll_out_of_bounded_mode) {
1921                 /* drop out of loop/range playback but leave transport rolling */
1922                 if (_session->get_play_loop()) {
1923                         if (Config->get_seamless_loop()) {
1924                                 /* the disk buffers contain copies of the loop - we can't
1925                                    just keep playing, so stop the transport. the user
1926                                    can restart as they wish.
1927                                 */
1928                                 affect_transport = true;
1929                         } else {
1930                                 /* disk buffers are normal, so we can keep playing */
1931                                 affect_transport = false;
1932                         }
1933                         _session->request_play_loop (false, true);
1934                 } else if (_session->get_play_range ()) {
1935                         affect_transport = false;
1936                         _session->request_play_range (0, true);
1937                 }
1938         }
1939
1940         if (affect_transport) {
1941                 if (rolling) {
1942                         _session->request_stop (with_abort, true);
1943                 } else {
1944                         if ( Config->get_always_play_range() ) {
1945                                 _session->request_play_range (&editor->get_selection().time, true);
1946                         }
1947
1948                         _session->request_transport_speed (1.0f);
1949                 }
1950         }
1951 }
1952
1953 void
1954 ARDOUR_UI::toggle_session_auto_loop ()
1955 {
1956         Location * looploc = _session->locations()->auto_loop_location();
1957
1958         if (!_session || !looploc) {
1959                 return;
1960         }
1961
1962         if (_session->get_play_loop()) {
1963
1964                 if (_session->transport_rolling()) {
1965
1966                         _session->request_locate (looploc->start(), true);
1967                         _session->request_play_loop (false);
1968
1969                 } else {
1970                         _session->request_play_loop (false);
1971                 }
1972         } else {
1973                 _session->request_play_loop (true);
1974         }
1975
1976         //show the loop markers
1977         looploc->set_hidden (false, this);
1978 }
1979
1980 void
1981 ARDOUR_UI::transport_play_selection ()
1982 {
1983         if (!_session) {
1984                 return;
1985         }
1986
1987         editor->play_selection ();
1988 }
1989
1990 void
1991 ARDOUR_UI::transport_play_preroll ()
1992 {
1993         if (!_session) {
1994                 return;
1995         }
1996         editor->play_with_preroll ();
1997 }
1998
1999 void
2000 ARDOUR_UI::transport_rewind (int option)
2001 {
2002         float current_transport_speed;
2003
2004         if (_session) {
2005                 current_transport_speed = _session->transport_speed();
2006
2007                 if (current_transport_speed >= 0.0f) {
2008                         switch (option) {
2009                         case 0:
2010                                 _session->request_transport_speed (-1.0f);
2011                                 break;
2012                         case 1:
2013                                 _session->request_transport_speed (-4.0f);
2014                                 break;
2015                         case -1:
2016                                 _session->request_transport_speed (-0.5f);
2017                                 break;
2018                         }
2019                 } else {
2020                         /* speed up */
2021                         _session->request_transport_speed (current_transport_speed * 1.5f);
2022                 }
2023         }
2024 }
2025
2026 void
2027 ARDOUR_UI::transport_forward (int option)
2028 {
2029         if (!_session) {
2030                 return;
2031         }
2032
2033         float current_transport_speed = _session->transport_speed();
2034
2035         if (current_transport_speed <= 0.0f) {
2036                 switch (option) {
2037                 case 0:
2038                         _session->request_transport_speed (1.0f);
2039                         break;
2040                 case 1:
2041                         _session->request_transport_speed (4.0f);
2042                         break;
2043                 case -1:
2044                         _session->request_transport_speed (0.5f);
2045                         break;
2046                 }
2047         } else {
2048                 /* speed up */
2049                 _session->request_transport_speed (current_transport_speed * 1.5f);
2050         }
2051 }
2052
2053 void
2054 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2055 {
2056         if (!_session) {
2057                 return;
2058         }
2059
2060         boost::shared_ptr<Route> r;
2061
2062         if ((r = _session->route_by_remote_id (rid)) != 0) {
2063
2064                 Track* t;
2065
2066                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2067                         t->set_record_enabled (!t->record_enabled(), this);
2068                 }
2069         }
2070 }
2071
2072 void
2073 ARDOUR_UI::map_transport_state ()
2074 {
2075         if (!_session) {
2076                 auto_loop_button.unset_active_state ();
2077                 play_selection_button.unset_active_state ();
2078                 roll_button.unset_active_state ();
2079                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2080                 return;
2081         }
2082
2083         shuttle_box->map_transport_state ();
2084
2085         float sp = _session->transport_speed();
2086
2087         if (sp != 0.0f) {
2088
2089                 /* we're rolling */
2090
2091                 if (_session->get_play_range()) {
2092
2093                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2094                         roll_button.unset_active_state ();
2095                         auto_loop_button.unset_active_state ();
2096
2097                 } else if (_session->get_play_loop ()) {
2098
2099                         auto_loop_button.set_active (true);
2100                         play_selection_button.set_active (false);
2101                         roll_button.set_active (false);
2102
2103                 } else {
2104
2105                         roll_button.set_active (true);
2106                         play_selection_button.set_active (false);
2107                         auto_loop_button.set_active (false);
2108                 }
2109
2110                 if (Config->get_always_play_range()) {
2111                         /* light up both roll and play-selection if they are joined */
2112                         roll_button.set_active (true);
2113                         play_selection_button.set_active (true);
2114                 }
2115
2116                 stop_button.set_active (false);
2117
2118         } else {
2119
2120                 stop_button.set_active (true);
2121                 roll_button.set_active (false);
2122                 play_selection_button.set_active (false);
2123                 auto_loop_button.set_active (false);
2124                 update_disk_space ();
2125         }
2126 }
2127
2128 void
2129 ARDOUR_UI::update_clocks ()
2130 {
2131         if (!editor || !editor->dragging_playhead()) {
2132                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2133         }
2134 }
2135
2136 void
2137 ARDOUR_UI::start_clocking ()
2138 {
2139         if (Config->get_super_rapid_clock_update()) {
2140                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2141         } else {
2142                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2143         }
2144 }
2145
2146 void
2147 ARDOUR_UI::stop_clocking ()
2148 {
2149         clock_signal_connection.disconnect ();
2150 }
2151
2152 gint
2153 ARDOUR_UI::_blink (void *arg)
2154 {
2155         ((ARDOUR_UI *) arg)->blink ();
2156         return TRUE;
2157 }
2158
2159 void
2160 ARDOUR_UI::blink ()
2161 {
2162         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2163 }
2164
2165 void
2166 ARDOUR_UI::start_blinking ()
2167 {
2168         /* Start the blink signal. Everybody with a blinking widget
2169            uses Blink to drive the widget's state.
2170         */
2171
2172         if (blink_timeout_tag < 0) {
2173                 blink_on = false;
2174                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2175         }
2176 }
2177
2178 void
2179 ARDOUR_UI::stop_blinking ()
2180 {
2181         if (blink_timeout_tag >= 0) {
2182                 g_source_remove (blink_timeout_tag);
2183                 blink_timeout_tag = -1;
2184         }
2185 }
2186
2187
2188 /** Ask the user for the name of a new snapshot and then take it.
2189  */
2190
2191 void
2192 ARDOUR_UI::snapshot_session (bool switch_to_it)
2193 {
2194         ArdourPrompter prompter (true);
2195         string snapname;
2196
2197         prompter.set_name ("Prompter");
2198         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2199         prompter.set_title (_("Take Snapshot"));
2200         prompter.set_prompt (_("Name of new snapshot"));
2201
2202         if (!switch_to_it) {
2203                 char timebuf[128];
2204                 time_t n;
2205                 struct tm local_time;
2206
2207                 time (&n);
2208                 localtime_r (&n, &local_time);
2209                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2210                 prompter.set_initial_text (timebuf);
2211         }
2212
2213   again:
2214         switch (prompter.run()) {
2215         case RESPONSE_ACCEPT:
2216         {
2217                 prompter.get_result (snapname);
2218
2219                 bool do_save = (snapname.length() != 0);
2220
2221                 if (do_save) {
2222                         char illegal = Session::session_name_is_legal(snapname);
2223                         if (illegal) {
2224                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2225                                                      "snapshot names may not contain a '%1' character"), illegal));
2226                                 msg.run ();
2227                                 goto again;
2228                         }
2229                 }
2230
2231                 vector<std::string> p;
2232                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2233                 vector<string> n = get_file_names_no_extension (p);
2234                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2235
2236                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2237                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2238                         confirm.get_vbox()->pack_start (m, true, true);
2239                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2240                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2241                         confirm.show_all ();
2242                         switch (confirm.run()) {
2243                         case RESPONSE_CANCEL:
2244                                 do_save = false;
2245                         }
2246                 }
2247
2248                 if (do_save) {
2249                         save_state (snapname, switch_to_it);
2250                 }
2251                 break;
2252         }
2253
2254         default:
2255                 break;
2256         }
2257 }
2258
2259 /** Ask the user for a new session name and then rename the session to it.
2260  */
2261
2262 void
2263 ARDOUR_UI::rename_session ()
2264 {
2265         if (!_session) {
2266                 return;
2267         }
2268
2269         ArdourPrompter prompter (true);
2270         string name;
2271
2272         prompter.set_name ("Prompter");
2273         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2274         prompter.set_title (_("Rename Session"));
2275         prompter.set_prompt (_("New session name"));
2276
2277   again:
2278         switch (prompter.run()) {
2279         case RESPONSE_ACCEPT:
2280         {
2281                 prompter.get_result (name);
2282
2283                 bool do_rename = (name.length() != 0);
2284
2285                 if (do_rename) {
2286                         char illegal = Session::session_name_is_legal (name);
2287
2288                         if (illegal) {
2289                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2290                                                                      "session names may not contain a '%1' character"), illegal));
2291                                 msg.run ();
2292                                 goto again;
2293                         }
2294
2295                         switch (_session->rename (name)) {
2296                         case -1: {
2297                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2298                                 msg.set_position (WIN_POS_MOUSE);
2299                                 msg.run ();
2300                                 goto again;
2301                                 break;
2302                         }
2303                         case 0:
2304                                 break;
2305                         default: {
2306                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2307                                 msg.set_position (WIN_POS_MOUSE);
2308                                 msg.run ();
2309                                 break;
2310                         }
2311                         }
2312                 }
2313
2314                 break;
2315         }
2316
2317         default:
2318                 break;
2319         }
2320 }
2321
2322 void
2323 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2324 {
2325         XMLNode* node = new XMLNode (X_("UI"));
2326
2327         WM::Manager::instance().add_state (*node);
2328
2329         node->add_child_nocopy (gui_object_state->get_state());
2330
2331         _session->add_extra_xml (*node);
2332
2333         save_state_canfail (name, switch_to_it);
2334 }
2335
2336 int
2337 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2338 {
2339         if (_session) {
2340                 int ret;
2341
2342                 if (name.length() == 0) {
2343                         name = _session->snap_name();
2344                 }
2345
2346                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2347                         return ret;
2348                 }
2349         }
2350
2351         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2352         return 0;
2353 }
2354
2355 void
2356 ARDOUR_UI::primary_clock_value_changed ()
2357 {
2358         if (_session) {
2359                 _session->request_locate (primary_clock->current_time ());
2360         }
2361 }
2362
2363 void
2364 ARDOUR_UI::big_clock_value_changed ()
2365 {
2366         if (_session) {
2367                 _session->request_locate (big_clock->current_time ());
2368         }
2369 }
2370
2371 void
2372 ARDOUR_UI::secondary_clock_value_changed ()
2373 {
2374         if (_session) {
2375                 _session->request_locate (secondary_clock->current_time ());
2376         }
2377 }
2378
2379 void
2380 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2381 {
2382         if (_session == 0) {
2383                 return;
2384         }
2385
2386         if (_session->step_editing()) {
2387                 return;
2388         }
2389
2390         Session::RecordState const r = _session->record_status ();
2391         bool const h = _session->have_rec_enabled_track ();
2392
2393         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2394                 if (onoff) {
2395                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2396                 } else {
2397                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2398                 }
2399         } else if (r == Session::Recording && h) {
2400                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2401         } else {
2402                 rec_button.unset_active_state ();
2403         }
2404 }
2405
2406 void
2407 ARDOUR_UI::save_template ()
2408 {
2409         ArdourPrompter prompter (true);
2410         string name;
2411
2412         if (!check_audioengine()) {
2413                 return;
2414         }
2415
2416         prompter.set_name (X_("Prompter"));
2417         prompter.set_title (_("Save Template"));
2418         prompter.set_prompt (_("Name for template:"));
2419         prompter.set_initial_text(_session->name() + _("-template"));
2420         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2421
2422         switch (prompter.run()) {
2423         case RESPONSE_ACCEPT:
2424                 prompter.get_result (name);
2425
2426                 if (name.length()) {
2427                         _session->save_template (name);
2428                 }
2429                 break;
2430
2431         default:
2432                 break;
2433         }
2434 }
2435
2436 void
2437 ARDOUR_UI::edit_metadata ()
2438 {
2439         SessionMetadataEditor dialog;
2440         dialog.set_session (_session);
2441         editor->ensure_float (dialog);
2442         dialog.run ();
2443 }
2444
2445 void
2446 ARDOUR_UI::import_metadata ()
2447 {
2448         SessionMetadataImporter dialog;
2449         dialog.set_session (_session);
2450         editor->ensure_float (dialog);
2451         dialog.run ();
2452 }
2453
2454 bool
2455 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2456 {
2457         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2458
2459         MessageDialog msg (str,
2460                            false,
2461                            Gtk::MESSAGE_WARNING,
2462                            Gtk::BUTTONS_YES_NO,
2463                            true);
2464
2465
2466         msg.set_name (X_("OpenExistingDialog"));
2467         msg.set_title (_("Open Existing Session"));
2468         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2469         msg.set_position (Gtk::WIN_POS_MOUSE);
2470         pop_back_splash (msg);
2471
2472         switch (msg.run()) {
2473         case RESPONSE_YES:
2474                 return true;
2475                 break;
2476         }
2477         return false;
2478 }
2479
2480 int
2481 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2482 {
2483         BusProfile bus_profile;
2484
2485         if (nsm || Profile->get_sae()) {
2486
2487                 bus_profile.master_out_channels = 2;
2488                 bus_profile.input_ac = AutoConnectPhysical;
2489                 bus_profile.output_ac = AutoConnectMaster;
2490                 bus_profile.requested_physical_in = 0; // use all available
2491                 bus_profile.requested_physical_out = 0; // use all available
2492
2493         } else {
2494
2495                 /* get settings from advanced section of NSD */
2496
2497                 if (_startup->create_master_bus()) {
2498                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2499                 } else {
2500                         bus_profile.master_out_channels = 0;
2501                 }
2502
2503                 if (_startup->connect_inputs()) {
2504                         bus_profile.input_ac = AutoConnectPhysical;
2505                 } else {
2506                         bus_profile.input_ac = AutoConnectOption (0);
2507                 }
2508
2509                 bus_profile.output_ac = AutoConnectOption (0);
2510
2511                 if (_startup->connect_outputs ()) {
2512                         if (_startup->connect_outs_to_master()) {
2513                                 bus_profile.output_ac = AutoConnectMaster;
2514                         } else if (_startup->connect_outs_to_physical()) {
2515                                 bus_profile.output_ac = AutoConnectPhysical;
2516                         }
2517                 }
2518
2519                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2520                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2521         }
2522
2523         if (build_session (session_path, session_name, bus_profile)) {
2524                 return -1;
2525         }
2526
2527         return 0;
2528 }
2529
2530 void
2531 ARDOUR_UI::idle_load (const std::string& path)
2532 {
2533         if (_session) {
2534                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2535                         /* /path/to/foo => /path/to/foo, foo */
2536                         load_session (path, basename_nosuffix (path));
2537                 } else {
2538                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2539                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2540                 }
2541
2542         } else {
2543                 ARDOUR_COMMAND_LINE::session_name = path;
2544         }
2545 }
2546
2547 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2548 int
2549 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2550 {
2551         string session_name;
2552         string session_path;
2553         string template_name;
2554         int ret = -1;
2555         bool likely_new = false;
2556
2557         /* deal with any existing DIRTY session now, rather than later. don't
2558          * treat a non-dirty session this way, so that it stays visible
2559          * as we bring up the new session dialog.
2560          */
2561
2562         if (_session && ARDOUR_UI::instance()->video_timeline) {
2563                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2564         }
2565
2566         if (_session && _session->dirty()) {
2567                 if (unload_session (false)) {
2568                         /* unload cancelled by user */
2569                         return 0;
2570                 }
2571                 ARDOUR_COMMAND_LINE::session_name = "";
2572         }
2573
2574         if (!load_template.empty()) {
2575                 should_be_new = true;
2576                 template_name = load_template;
2577         }
2578
2579         while (ret != 0) {
2580
2581                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2582
2583                         /* if they named a specific statefile, use it, otherwise they are
2584                            just giving a session folder, and we want to use it as is
2585                            to find the session.
2586                         */
2587
2588                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2589
2590                         if (suffix != string::npos) {
2591                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2592                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2593                                 session_name = Glib::path_get_basename (session_name);
2594                         } else {
2595                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2596                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2597                         }
2598                 } else {
2599                         session_path = "";
2600                         session_name = "";
2601                 }
2602
2603                 delete _startup;
2604                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2605
2606                 if (!_startup->ready_without_display()) {
2607                         _startup->present ();
2608                         main().run();
2609                         _startup->hide ();
2610                 }
2611
2612                 switch (_startup->response()) {
2613                 case RESPONSE_OK:
2614                         break;
2615                 default:
2616                         if (quit_on_cancel) {
2617                                 exit (1);
2618                         } else {
2619                                 return ret;
2620                         }
2621                 }
2622
2623                 /* if we run the startup dialog again, offer more than just "new session" */
2624
2625                 should_be_new = false;
2626
2627                 session_name = _startup->session_name (likely_new);
2628
2629                 if (nsm) {
2630                         likely_new = true;
2631                 }
2632
2633                 string::size_type suffix = session_name.find (statefile_suffix);
2634
2635                 if (suffix != string::npos) {
2636                         session_name = session_name.substr (0, suffix);
2637                 }
2638
2639                 /* this shouldn't happen, but we catch it just in case it does */
2640
2641                 if (session_name.empty()) {
2642                         continue;
2643                 }
2644
2645                 if (_startup->use_session_template()) {
2646                         template_name = _startup->session_template_name();
2647                         _session_is_new = true;
2648                 }
2649
2650                 if (session_name[0] == G_DIR_SEPARATOR ||
2651                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2652                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2653
2654                         /* absolute path or cwd-relative path specified for session name: infer session folder
2655                            from what was given.
2656                         */
2657
2658                         session_path = Glib::path_get_dirname (session_name);
2659                         session_name = Glib::path_get_basename (session_name);
2660
2661                 } else {
2662
2663                         session_path = _startup->session_folder();
2664
2665                         char illegal = Session::session_name_is_legal (session_name);
2666
2667                         if (illegal) {
2668                                 MessageDialog msg (*_startup,
2669                                                    string_compose (_("To ensure compatibility with various systems\n"
2670                                                                      "session names may not contain a '%1' character"),
2671                                                                    illegal));
2672                                 msg.run ();
2673                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2674                                 continue;
2675                         }
2676                 }
2677
2678                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2679
2680                         if (likely_new && !nsm) {
2681
2682                                 std::string existing = Glib::build_filename (session_path, session_name);
2683
2684                                 if (!ask_about_loading_existing_session (existing)) {
2685                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2686                                         continue;
2687                                 }
2688                         }
2689
2690                         _session_is_new = false;
2691
2692                 } else {
2693
2694                         if (!likely_new) {
2695                                 if (_startup) {
2696                                         pop_back_splash (*_startup);
2697                                 } else {
2698                                         hide_splash ();
2699                                 }
2700
2701                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2702                                 msg.run ();
2703                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2704                                 continue;
2705                         }
2706
2707                         char illegal = Session::session_name_is_legal(session_name);
2708                         if (illegal) {
2709                                 pop_back_splash (*_startup);
2710                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2711                                                      "session names may not contain a '%1' character"), illegal));
2712                                 msg.run ();
2713                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2714                                 continue;
2715                         }
2716
2717                         _session_is_new = true;
2718                 }
2719
2720                 if (likely_new && template_name.empty()) {
2721
2722                         ret = build_session_from_nsd (session_path, session_name);
2723
2724                 } else {
2725
2726                         ret = load_session (session_path, session_name, template_name);
2727
2728                         if (ret == -2) {
2729                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2730                                 exit (1);
2731                         }
2732
2733                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2734                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2735                                 exit (1);
2736                         }
2737                 }
2738         }
2739
2740         return ret;
2741 }
2742
2743 void
2744 ARDOUR_UI::close_session()
2745 {
2746         if (!check_audioengine()) {
2747                 return;
2748         }
2749
2750         if (unload_session (true)) {
2751                 return;
2752         }
2753
2754         ARDOUR_COMMAND_LINE::session_name = "";
2755
2756         if (get_session_parameters (true, false)) {
2757                 exit (1);
2758         }
2759
2760         goto_editor_window ();
2761 }
2762
2763 /** @param snap_name Snapshot name (without .ardour suffix).
2764  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2765  */
2766 int
2767 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2768 {
2769         Session *new_session;
2770         int unload_status;
2771         int retval = -1;
2772
2773         if (_session) {
2774                 unload_status = unload_session ();
2775
2776                 if (unload_status < 0) {
2777                         goto out;
2778                 } else if (unload_status > 0) {
2779                         retval = 0;
2780                         goto out;
2781                 }
2782         }
2783
2784         session_loaded = false;
2785
2786         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2787
2788         try {
2789                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2790         }
2791
2792         /* this one is special */
2793
2794         catch (AudioEngine::PortRegistrationFailure& err) {
2795
2796                 MessageDialog msg (err.what(),
2797                                    true,
2798                                    Gtk::MESSAGE_INFO,
2799                                    Gtk::BUTTONS_CLOSE);
2800
2801                 msg.set_title (_("Port Registration Error"));
2802                 msg.set_secondary_text (_("Click the Close button to try again."));
2803                 msg.set_position (Gtk::WIN_POS_CENTER);
2804                 pop_back_splash (msg);
2805                 msg.present ();
2806
2807                 int response = msg.run ();
2808
2809                 msg.hide ();
2810
2811                 switch (response) {
2812                 case RESPONSE_CANCEL:
2813                         exit (1);
2814                 default:
2815                         break;
2816                 }
2817                 goto out;
2818         }
2819
2820         catch (...) {
2821
2822                 MessageDialog msg (string_compose(
2823                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2824                                            path, snap_name),
2825                                    true,
2826                                    Gtk::MESSAGE_INFO,
2827                                    BUTTONS_OK);
2828
2829                 msg.set_title (_("Loading Error"));
2830                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2831                 msg.add_button (Stock::REFRESH, 1);
2832                 msg.set_position (Gtk::WIN_POS_CENTER);
2833                 pop_back_splash (msg);
2834                 msg.present ();
2835
2836                 int response = msg.run ();
2837
2838                 switch (response) {
2839                 case 1:
2840                         break;
2841                 default:
2842                         exit (1);
2843                 }
2844
2845                 msg.hide ();
2846
2847                 goto out;
2848         }
2849
2850         {
2851                 list<string> const u = new_session->unknown_processors ();
2852                 if (!u.empty()) {
2853                         MissingPluginDialog d (_session, u);
2854                         d.run ();
2855                 }
2856         }
2857
2858         /* Now the session been created, add the transport controls */
2859         new_session->add_controllable(roll_controllable);
2860         new_session->add_controllable(stop_controllable);
2861         new_session->add_controllable(goto_start_controllable);
2862         new_session->add_controllable(goto_end_controllable);
2863         new_session->add_controllable(auto_loop_controllable);
2864         new_session->add_controllable(play_selection_controllable);
2865         new_session->add_controllable(rec_controllable);
2866
2867         set_session (new_session);
2868
2869         session_loaded = true;
2870
2871         goto_editor_window ();
2872
2873         if (_session) {
2874                 _session->set_clean ();
2875         }
2876
2877         flush_pending ();
2878         retval = 0;
2879
2880   out:
2881         return retval;
2882 }
2883
2884 int
2885 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2886 {
2887         Session *new_session;
2888         int x;
2889
2890         session_loaded = false;
2891         x = unload_session ();
2892
2893         if (x < 0) {
2894                 return -1;
2895         } else if (x > 0) {
2896                 return 0;
2897         }
2898
2899         _session_is_new = true;
2900
2901         try {
2902                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
2903         }
2904
2905         catch (...) {
2906
2907                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2908                 pop_back_splash (msg);
2909                 msg.run ();
2910                 return -1;
2911         }
2912
2913         /* Give the new session the default GUI state, if such things exist */
2914
2915         XMLNode* n;
2916         n = Config->instant_xml (X_("Editor"));
2917         if (n) {
2918                 new_session->add_instant_xml (*n, false);
2919         }
2920         n = Config->instant_xml (X_("Mixer"));
2921         if (n) {
2922                 new_session->add_instant_xml (*n, false);
2923         }
2924
2925         /* Put the playhead at 0 and scroll fully left */
2926         n = new_session->instant_xml (X_("Editor"));
2927         if (n) {
2928                 n->add_property (X_("playhead"), X_("0"));
2929                 n->add_property (X_("left-frame"), X_("0"));
2930         }
2931
2932         set_session (new_session);
2933
2934         session_loaded = true;
2935
2936         new_session->save_state(new_session->name());
2937
2938         return 0;
2939 }
2940
2941 void
2942 ARDOUR_UI::launch_chat ()
2943 {
2944 #ifdef __APPLE__
2945         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2946 #else
2947         open_uri("http://webchat.freenode.net/?channels=ardour");
2948 #endif
2949 }
2950
2951 void
2952 ARDOUR_UI::launch_manual ()
2953 {
2954         PBD::open_uri (Config->get_tutorial_manual_url());
2955 }
2956
2957 void
2958 ARDOUR_UI::launch_reference ()
2959 {
2960         PBD::open_uri (Config->get_reference_manual_url());
2961 }
2962
2963 void
2964 ARDOUR_UI::loading_message (const std::string& msg)
2965 {
2966         if (ARDOUR_COMMAND_LINE::no_splash) {
2967                 return;
2968         }
2969
2970         if (!splash) {
2971                 show_splash ();
2972         }
2973
2974         splash->message (msg);
2975 }
2976
2977 void
2978 ARDOUR_UI::show_splash ()
2979 {
2980         if (splash == 0) {
2981                 try {
2982                         splash = new Splash;
2983                 } catch (...) {
2984                         return;
2985                 }
2986         }
2987
2988         splash->display ();
2989 }
2990
2991 void
2992 ARDOUR_UI::hide_splash ()
2993 {
2994         delete splash;
2995         splash = 0;
2996 }
2997
2998 void
2999 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3000 {
3001         size_t removed;
3002
3003         removed = rep.paths.size();
3004
3005         if (removed == 0) {
3006                 MessageDialog msgd (*editor,
3007                                     _("No files were ready for clean-up"),
3008                                     true,
3009                                     Gtk::MESSAGE_INFO,
3010                                     Gtk::BUTTONS_OK);
3011                 msgd.set_title (_("Clean-up"));
3012                 msgd.set_secondary_text (_("If this seems suprising, \n\
3013 check for any existing snapshots.\n\
3014 These may still include regions that\n\
3015 require some unused files to continue to exist."));
3016
3017                 msgd.run ();
3018                 return;
3019         }
3020
3021         ArdourDialog results (_("Clean-up"), true, false);
3022
3023         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3024             CleanupResultsModelColumns() {
3025                     add (visible_name);
3026                     add (fullpath);
3027             }
3028             Gtk::TreeModelColumn<std::string> visible_name;
3029             Gtk::TreeModelColumn<std::string> fullpath;
3030         };
3031
3032
3033         CleanupResultsModelColumns results_columns;
3034         Glib::RefPtr<Gtk::ListStore> results_model;
3035         Gtk::TreeView results_display;
3036
3037         results_model = ListStore::create (results_columns);
3038         results_display.set_model (results_model);
3039         results_display.append_column (list_title, results_columns.visible_name);
3040
3041         results_display.set_name ("CleanupResultsList");
3042         results_display.set_headers_visible (true);
3043         results_display.set_headers_clickable (false);
3044         results_display.set_reorderable (false);
3045
3046         Gtk::ScrolledWindow list_scroller;
3047         Gtk::Label txt;
3048         Gtk::VBox dvbox;
3049         Gtk::HBox dhbox;  // the hbox for the image and text
3050         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3051         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3052
3053         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3054
3055         const string dead_directory = _session->session_directory().dead_path();
3056
3057         /* subst:
3058            %1 - number of files removed
3059            %2 - location of "dead"
3060            %3 - size of files affected
3061            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3062         */
3063
3064         const char* bprefix;
3065         double space_adjusted = 0;
3066
3067         if (rep.space < 1000) {
3068                 bprefix = X_("");
3069                 space_adjusted = rep.space;
3070         } else if (rep.space < 1000000) {
3071                 bprefix = _("kilo");
3072                 space_adjusted = truncf((float)rep.space / 1000.0);
3073         } else if (rep.space < 1000000 * 1000) {
3074                 bprefix = _("mega");
3075                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3076         } else {
3077                 bprefix = _("giga");
3078                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3079         }
3080
3081         if (msg_delete) {
3082                 txt.set_markup (string_compose (P_("\
3083 The following file was deleted from %2,\n\
3084 releasing %3 %4bytes of disk space", "\
3085 The following %1 files were deleted from %2,\n\
3086 releasing %3 %4bytes of disk space", removed),
3087                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3088         } else {
3089                 txt.set_markup (string_compose (P_("\
3090 The following file was not in use and \n\
3091 has been moved to: %2\n\n\
3092 After a restart of %5\n\n\
3093 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3094 will release an additional %3 %4bytes of disk space.\n", "\
3095 The following %1 files were not in use and \n\
3096 have been moved to: %2\n\n\
3097 After a restart of %5\n\n\
3098 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3099 will release an additional %3 %4bytes of disk space.\n", removed),
3100                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3101         }
3102
3103         dhbox.pack_start (*dimage, true, false, 5);
3104         dhbox.pack_start (txt, true, false, 5);
3105
3106         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3107                 TreeModel::Row row = *(results_model->append());
3108                 row[results_columns.visible_name] = *i;
3109                 row[results_columns.fullpath] = *i;
3110         }
3111
3112         list_scroller.add (results_display);
3113         list_scroller.set_size_request (-1, 150);
3114         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3115
3116         dvbox.pack_start (dhbox, true, false, 5);
3117         dvbox.pack_start (list_scroller, true, false, 5);
3118         ddhbox.pack_start (dvbox, true, false, 5);
3119
3120         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3121         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3122         results.set_default_response (RESPONSE_CLOSE);
3123         results.set_position (Gtk::WIN_POS_MOUSE);
3124
3125         results_display.show();
3126         list_scroller.show();
3127         txt.show();
3128         dvbox.show();
3129         dhbox.show();
3130         ddhbox.show();
3131         dimage->show();
3132
3133         //results.get_vbox()->show();
3134         results.set_resizable (false);
3135
3136         results.run ();
3137
3138 }
3139
3140 void
3141 ARDOUR_UI::cleanup ()
3142 {
3143         if (_session == 0) {
3144                 /* shouldn't happen: menu item is insensitive */
3145                 return;
3146         }
3147
3148
3149         MessageDialog checker (_("Are you sure you want to clean-up?"),
3150                                 true,
3151                                 Gtk::MESSAGE_QUESTION,
3152                                 Gtk::BUTTONS_NONE);
3153
3154         checker.set_title (_("Clean-up"));
3155
3156         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3157 ALL undo/redo information will be lost if you clean-up.\n\
3158 Clean-up will move all unused files to a \"dead\" location."));
3159
3160         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3161         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3162         checker.set_default_response (RESPONSE_CANCEL);
3163
3164         checker.set_name (_("CleanupDialog"));
3165         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3166         checker.set_position (Gtk::WIN_POS_MOUSE);
3167
3168         switch (checker.run()) {
3169         case RESPONSE_ACCEPT:
3170                 break;
3171         default:
3172                 return;
3173         }
3174
3175         ARDOUR::CleanupReport rep;
3176
3177         editor->prepare_for_cleanup ();
3178
3179         /* do not allow flush until a session is reloaded */
3180
3181         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3182         if (act) {
3183                 act->set_sensitive (false);
3184         }
3185
3186         if (_session->cleanup_sources (rep)) {
3187                 editor->finish_cleanup ();
3188                 return;
3189         }
3190
3191         editor->finish_cleanup ();
3192
3193         checker.hide();
3194         display_cleanup_results (rep, _("Cleaned Files"), false);
3195 }
3196
3197 void
3198 ARDOUR_UI::flush_trash ()
3199 {
3200         if (_session == 0) {
3201                 /* shouldn't happen: menu item is insensitive */
3202                 return;
3203         }
3204
3205         ARDOUR::CleanupReport rep;
3206
3207         if (_session->cleanup_trash_sources (rep)) {
3208                 return;
3209         }
3210
3211         display_cleanup_results (rep, _("deleted file"), true);
3212 }
3213
3214 void
3215 ARDOUR_UI::add_route (Gtk::Window* float_window)
3216 {
3217         int count;
3218
3219         if (!_session) {
3220                 return;
3221         }
3222
3223         if (add_route_dialog->is_visible()) {
3224                 /* we're already doing this */
3225                 return;
3226         }
3227
3228         if (float_window) {
3229                 add_route_dialog->set_transient_for (*float_window);
3230         }
3231
3232         ResponseType r = (ResponseType) add_route_dialog->run ();
3233
3234         add_route_dialog->hide();
3235
3236         switch (r) {
3237                 case RESPONSE_ACCEPT:
3238                         break;
3239                 default:
3240                         return;
3241                         break;
3242         }
3243
3244         if ((count = add_route_dialog->count()) <= 0) {
3245                 return;
3246         }
3247
3248         PBD::ScopedConnection idle_connection;
3249
3250         if (count > 8) {
3251                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3252         }
3253
3254         string template_path = add_route_dialog->track_template();
3255
3256         if (!template_path.empty()) {
3257                 if (add_route_dialog->name_template_is_default())  {
3258                         _session->new_route_from_template (count, template_path, string());
3259                 } else {
3260                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3261                 }
3262                 return;
3263         }
3264
3265         ChanCount input_chan= add_route_dialog->channels ();
3266         ChanCount output_chan;
3267         string name_template = add_route_dialog->name_template ();
3268         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3269         RouteGroup* route_group = add_route_dialog->route_group ();
3270         AutoConnectOption oac = Config->get_output_auto_connect();
3271
3272         if (oac & AutoConnectMaster) {
3273                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3274                 output_chan.set (DataType::MIDI, 0);
3275         } else {
3276                 output_chan = input_chan;
3277         }
3278
3279         /* XXX do something with name template */
3280
3281         switch (add_route_dialog->type_wanted()) {
3282         case AddRouteDialog::AudioTrack:
3283                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3284                 break;
3285         case AddRouteDialog::MidiTrack:
3286                 session_add_midi_track (route_group, count, name_template, instrument);
3287                 break;
3288         case AddRouteDialog::MixedTrack:
3289                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3290                 break;
3291         case AddRouteDialog::AudioBus:
3292                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3293                 break;
3294         }
3295
3296         /* idle connection will end at scope end */
3297 }
3298
3299 void
3300 ARDOUR_UI::stop_video_server (bool ask_confirm)
3301 {
3302         if (!video_server_process && ask_confirm) {
3303                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3304         }
3305         if (video_server_process) {
3306                 if(ask_confirm) {
3307                         ArdourDialog confirm (_("Stop Video-Server"), true);
3308                         Label m (_("Do you really want to stop the Video Server?"));
3309                         confirm.get_vbox()->pack_start (m, true, true);
3310                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3311                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3312                         confirm.show_all ();
3313                         if (confirm.run() == RESPONSE_CANCEL) {
3314                                 return;
3315                         }
3316                 }
3317                 delete video_server_process;
3318                 video_server_process =0;
3319         }
3320 }
3321
3322 void
3323 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3324 {
3325   ARDOUR_UI::start_video_server( float_window, true);
3326 }
3327
3328 bool
3329 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3330 {
3331         if (!_session) {
3332                 return false;
3333         }
3334         if (popup_msg) {
3335                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3336                         if (video_server_process) {
3337                                 popup_error(_("The Video Server is already started."));
3338                         } else {
3339                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3340                         }
3341                 }
3342         }
3343
3344         int firsttime = 0;
3345         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3346                 if (firsttime++) {
3347                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3348                 }
3349                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3350                 if (float_window) {
3351                         video_server_dialog->set_transient_for (*float_window);
3352                 }
3353
3354                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3355                         video_server_dialog->hide();
3356                 } else {
3357                         ResponseType r = (ResponseType) video_server_dialog->run ();
3358                         video_server_dialog->hide();
3359                         if (r != RESPONSE_ACCEPT) { return false; }
3360                         if (video_server_dialog->show_again()) {
3361                                 Config->set_show_video_server_dialog(false);
3362                         }
3363                 }
3364
3365                 std::string icsd_exec = video_server_dialog->get_exec_path();
3366                 std::string icsd_docroot = video_server_dialog->get_docroot();
3367                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3368
3369                 struct stat sb;
3370                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3371                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3372                         continue;
3373                 }
3374                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3375                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3376                         warning << _("Given Video Server is not an executable file.") << endmsg;
3377                         continue;
3378                 }
3379
3380                 char **argp;
3381                 argp=(char**) calloc(9,sizeof(char*));
3382                 argp[0] = strdup(icsd_exec.c_str());
3383                 argp[1] = strdup("-P");
3384                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3385                 argp[3] = strdup("-p");
3386                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3387                 argp[5] = strdup("-C");
3388                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3389                 argp[7] = strdup(icsd_docroot.c_str());
3390                 argp[8] = 0;
3391                 stop_video_server();
3392
3393                 if (icsd_docroot == X_("/")) {
3394                         Config->set_video_advanced_setup(false);
3395                 } else {
3396                         std::ostringstream osstream;
3397                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3398                         Config->set_video_server_url(osstream.str());
3399                         Config->set_video_server_docroot(icsd_docroot);
3400                         Config->set_video_advanced_setup(true);
3401                 }
3402
3403                 if (video_server_process) {
3404                         delete video_server_process;
3405                 }
3406
3407                 video_server_process = new SystemExec(icsd_exec, argp);
3408                 if (video_server_process->start()) {
3409                         warning << _("Cannot launch the video-server") << endmsg;
3410                         continue;
3411                 }
3412                 int timeout = 120; // 6 sec
3413                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3414                         usleep (50000);
3415                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3416                 }
3417                 if (timeout <= 0) {
3418                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3419                 } else {
3420                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3421                                 delete video_server_process;
3422                                 video_server_process = 0;
3423                         }
3424                 }
3425         }
3426         return true;
3427 }
3428
3429 void
3430 ARDOUR_UI::add_video (Gtk::Window* float_window)
3431 {
3432         if (!_session) {
3433                 return;
3434         }
3435
3436         if (!start_video_server(float_window, false)) {
3437                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3438                 return;
3439         }
3440
3441         if (float_window) {
3442                 add_video_dialog->set_transient_for (*float_window);
3443         }
3444
3445         if (add_video_dialog->is_visible()) {
3446                 /* we're already doing this */
3447                 return;
3448         }
3449
3450         ResponseType r = (ResponseType) add_video_dialog->run ();
3451         add_video_dialog->hide();
3452         if (r != RESPONSE_ACCEPT) { return; }
3453
3454         bool local_file, orig_local_file;
3455         std::string path = add_video_dialog->file_name(local_file);
3456
3457         std::string orig_path = path;
3458         orig_local_file = local_file;
3459
3460         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3461
3462         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3463                 warning << string_compose(_("could not open %1"), path) << endmsg;
3464                 return;
3465         }
3466         if (!local_file && path.length() == 0) {
3467                 warning << _("no video-file selected") << endmsg;
3468                 return;
3469         }
3470
3471         switch (add_video_dialog->import_option()) {
3472                 case VTL_IMPORT_TRANSCODE:
3473                         {
3474                                 TranscodeVideoDialog *transcode_video_dialog;
3475                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3476                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3477                                 transcode_video_dialog->hide();
3478                                 if (r != RESPONSE_ACCEPT) {
3479                                         delete transcode_video_dialog;
3480                                         return;
3481                                 }
3482                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3483                                         editor->embed_audio_from_video(
3484                                                         transcode_video_dialog->get_audiofile(),
3485                                                         video_timeline->get_offset()
3486                                                         );
3487                                 }
3488                                 switch (transcode_video_dialog->import_option()) {
3489                                         case VTL_IMPORT_TRANSCODED:
3490                                                 path = transcode_video_dialog->get_filename();
3491                                                 local_file = true;
3492                                                 break;
3493                                         case VTL_IMPORT_REFERENCE:
3494                                                 break;
3495                                         default:
3496                                                 delete transcode_video_dialog;
3497                                                 return;
3498                                 }
3499                                 delete transcode_video_dialog;
3500                         }
3501                         break;
3502                 default:
3503                 case VTL_IMPORT_NONE:
3504                         break;
3505         }
3506
3507         /* strip _session->session_directory().video_path() from video file if possible */
3508         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3509                  path=path.substr(_session->session_directory().video_path().size());
3510                  if (path.at(0) == G_DIR_SEPARATOR) {
3511                          path=path.substr(1);
3512                  }
3513         }
3514
3515         video_timeline->set_update_session_fps(auto_set_session_fps);
3516         if (video_timeline->video_file_info(path, local_file)) {
3517                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3518                 node->add_property (X_("Filename"), path);
3519                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3520                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3521                 if (orig_local_file) {
3522                         node->add_property (X_("OriginalVideoFile"), orig_path);
3523                 } else {
3524                         node->remove_property (X_("OriginalVideoFile"));
3525                 }
3526                 _session->add_extra_xml (*node);
3527                 _session->set_dirty ();
3528
3529                 _session->maybe_update_session_range(
3530                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3531                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3532
3533
3534                 if (add_video_dialog->launch_xjadeo() && local_file) {
3535                         editor->set_xjadeo_sensitive(true);
3536                         editor->toggle_xjadeo_proc(1);
3537                 } else {
3538                         editor->toggle_xjadeo_proc(0);
3539                 }
3540                 editor->toggle_ruler_video(true);
3541         }
3542 }
3543
3544 void
3545 ARDOUR_UI::remove_video ()
3546 {
3547         video_timeline->close_session();
3548         editor->toggle_ruler_video(false);
3549
3550         /* reset state */
3551         video_timeline->set_offset_locked(false);
3552         video_timeline->set_offset(0);
3553
3554         /* delete session state */
3555         XMLNode* node = new XMLNode(X_("Videotimeline"));
3556         _session->add_extra_xml(*node);
3557         node = new XMLNode(X_("Videomonitor"));
3558         _session->add_extra_xml(*node);
3559         stop_video_server();
3560 }
3561
3562 void
3563 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3564 {
3565         if (localcacheonly) {
3566                 video_timeline->vmon_update();
3567         } else {
3568                 video_timeline->flush_cache();
3569         }
3570         editor->queue_visual_videotimeline_update();
3571 }
3572
3573 XMLNode*
3574 ARDOUR_UI::mixer_settings () const
3575 {
3576         XMLNode* node = 0;
3577
3578         if (_session) {
3579                 node = _session->instant_xml(X_("Mixer"));
3580         } else {
3581                 node = Config->instant_xml(X_("Mixer"));
3582         }
3583
3584         if (!node) {
3585                 node = new XMLNode (X_("Mixer"));
3586         }
3587
3588         return node;
3589 }
3590
3591 XMLNode*
3592 ARDOUR_UI::editor_settings () const
3593 {
3594         XMLNode* node = 0;
3595
3596         if (_session) {
3597                 node = _session->instant_xml(X_("Editor"));
3598         } else {
3599                 node = Config->instant_xml(X_("Editor"));
3600         }
3601
3602         if (!node) {
3603                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3604                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3605                 }
3606         }
3607
3608         if (!node) {
3609                 node = new XMLNode (X_("Editor"));
3610         }
3611
3612         return node;
3613 }
3614
3615 XMLNode*
3616 ARDOUR_UI::keyboard_settings () const
3617 {
3618         XMLNode* node = 0;
3619
3620         node = Config->extra_xml(X_("Keyboard"));
3621
3622         if (!node) {
3623                 node = new XMLNode (X_("Keyboard"));
3624         }
3625
3626         return node;
3627 }
3628
3629 void
3630 ARDOUR_UI::create_xrun_marker (framepos_t where)
3631 {
3632         editor->mouse_add_new_marker (where, false, true);
3633 }
3634
3635 void
3636 ARDOUR_UI::halt_on_xrun_message ()
3637 {
3638         MessageDialog msg (*editor,
3639                            _("Recording was stopped because your system could not keep up."));
3640         msg.run ();
3641 }
3642
3643 void
3644 ARDOUR_UI::xrun_handler (framepos_t where)
3645 {
3646         if (!_session) {
3647                 return;
3648         }
3649
3650         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3651
3652         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3653                 create_xrun_marker(where);
3654         }
3655
3656         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3657                 halt_on_xrun_message ();
3658         }
3659 }
3660
3661 void
3662 ARDOUR_UI::disk_overrun_handler ()
3663 {
3664         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3665
3666         if (!have_disk_speed_dialog_displayed) {
3667                 have_disk_speed_dialog_displayed = true;
3668                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3669 The disk system on your computer\n\
3670 was not able to keep up with %1.\n\
3671 \n\
3672 Specifically, it failed to write data to disk\n\
3673 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3674                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3675                 msg->show ();
3676         }
3677 }
3678
3679 void
3680 ARDOUR_UI::disk_underrun_handler ()
3681 {
3682         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3683
3684         if (!have_disk_speed_dialog_displayed) {
3685                 have_disk_speed_dialog_displayed = true;
3686                 MessageDialog* msg = new MessageDialog (
3687                         *editor, string_compose (_("The disk system on your computer\n\
3688 was not able to keep up with %1.\n\
3689 \n\
3690 Specifically, it failed to read data from disk\n\
3691 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3692                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3693                 msg->show ();
3694         }
3695 }
3696
3697 void
3698 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3699 {
3700         have_disk_speed_dialog_displayed = false;
3701         delete msg;
3702 }
3703
3704 void
3705 ARDOUR_UI::session_dialog (std::string msg)
3706 {
3707         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3708
3709         MessageDialog* d;
3710
3711         if (editor) {
3712                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3713         } else {
3714                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3715         }
3716
3717         d->show_all ();
3718         d->run ();
3719         delete d;
3720 }
3721
3722 int
3723 ARDOUR_UI::pending_state_dialog ()
3724 {
3725         HBox* hbox = new HBox();
3726         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3727         ArdourDialog dialog (_("Crash Recovery"), true);
3728         Label  message (string_compose (_("\
3729 This session appears to have been in the\n\
3730 middle of recording when %1 or\n\
3731 the computer was shutdown.\n\
3732 \n\
3733 %1 can recover any captured audio for\n\
3734 you, or it can ignore it. Please decide\n\
3735 what you would like to do.\n"), PROGRAM_NAME));
3736         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3737         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3738         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3739         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3740         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3741         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3742         dialog.set_default_response (RESPONSE_ACCEPT);
3743         dialog.set_position (WIN_POS_CENTER);
3744         message.show();
3745         image->show();
3746         hbox->show();
3747
3748         switch (dialog.run ()) {
3749         case RESPONSE_ACCEPT:
3750                 return 1;
3751         default:
3752                 return 0;
3753         }
3754 }
3755
3756 int
3757 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3758 {
3759         HBox* hbox = new HBox();
3760         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3761         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3762         Label  message (string_compose (_("\
3763 This session was created with a sample rate of %1 Hz, but\n\
3764 %2 is currently running at %3 Hz.  If you load this session,\n\
3765 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3766
3767         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3768         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3769         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3770         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3771         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3772         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3773         dialog.set_default_response (RESPONSE_ACCEPT);
3774         dialog.set_position (WIN_POS_CENTER);
3775         message.show();
3776         image->show();
3777         hbox->show();
3778
3779         switch (dialog.run()) {
3780         case RESPONSE_ACCEPT:
3781                 return 0;
3782         default:
3783                 break;
3784         }
3785
3786         return 1;
3787 }
3788
3789 void
3790 ARDOUR_UI::disconnect_from_engine ()
3791 {
3792         /* drop connection to AudioEngine::Halted so that we don't act
3793          *  as if the engine unexpectedly shut down
3794          */
3795         halt_connection.disconnect ();
3796
3797         if (AudioEngine::instance()->stop ()) {
3798                 MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3799                 msg.run ();
3800         } else {
3801                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
3802         }
3803
3804         update_sample_rate (0);
3805 }
3806
3807 void
3808 ARDOUR_UI::reconnect_to_engine ()
3809 {
3810         if (AudioEngine::instance()->start ()) {
3811                 MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3812                 msg.run ();
3813         }
3814
3815         update_sample_rate (0);
3816 }
3817
3818 void
3819 ARDOUR_UI::use_config ()
3820 {
3821         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3822         if (node) {
3823                 set_transport_controllable_state (*node);
3824         }
3825 }
3826
3827 void
3828 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3829 {
3830         if (Config->get_primary_clock_delta_edit_cursor()) {
3831                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3832         } else {
3833                 primary_clock->set (pos);
3834         }
3835
3836         if (Config->get_secondary_clock_delta_edit_cursor()) {
3837                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3838         } else {
3839                 secondary_clock->set (pos);
3840         }
3841
3842         if (big_clock_window) {
3843                 big_clock->set (pos);
3844         }
3845         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3846 }
3847
3848 void
3849 ARDOUR_UI::step_edit_status_change (bool yn)
3850 {
3851         // XXX should really store pre-step edit status of things
3852         // we make insensitive
3853
3854         if (yn) {
3855                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3856                 rec_button.set_sensitive (false);
3857         } else {
3858                 rec_button.unset_active_state ();;
3859                 rec_button.set_sensitive (true);
3860         }
3861 }
3862
3863 void
3864 ARDOUR_UI::record_state_changed ()
3865 {
3866         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3867
3868         if (!_session || !big_clock_window) {
3869                 /* why bother - the clock isn't visible */
3870                 return;
3871         }
3872
3873         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3874                 big_clock->set_active (true);
3875         } else {
3876                 big_clock->set_active (false);
3877         }
3878 }
3879
3880 bool
3881 ARDOUR_UI::first_idle ()
3882 {
3883         if (_session) {
3884                 _session->allow_auto_play (true);
3885         }
3886
3887         if (editor) {
3888                 editor->first_idle();
3889         }
3890
3891         Keyboard::set_can_save_keybindings (true);
3892         return false;
3893 }
3894
3895 void
3896 ARDOUR_UI::store_clock_modes ()
3897 {
3898         XMLNode* node = new XMLNode(X_("ClockModes"));
3899
3900         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3901                 XMLNode* child = new XMLNode (X_("Clock"));
3902
3903                 child->add_property (X_("name"), (*x)->name());
3904                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3905                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3906
3907                 node->add_child_nocopy (*child);
3908         }
3909
3910         _session->add_extra_xml (*node);
3911         _session->set_dirty ();
3912 }
3913
3914 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3915         : Controllable (name), ui (u), type(tp)
3916 {
3917
3918 }
3919
3920 void
3921 ARDOUR_UI::TransportControllable::set_value (double val)
3922 {
3923         if (val < 0.5) {
3924                 /* do nothing: these are radio-style actions */
3925                 return;
3926         }
3927
3928         const char *action = 0;
3929
3930         switch (type) {
3931         case Roll:
3932                 action = X_("Roll");
3933                 break;
3934         case Stop:
3935                 action = X_("Stop");
3936                 break;
3937         case GotoStart:
3938                 action = X_("GotoStart");
3939                 break;
3940         case GotoEnd:
3941                 action = X_("GotoEnd");
3942                 break;
3943         case AutoLoop:
3944                 action = X_("Loop");
3945                 break;
3946         case PlaySelection:
3947                 action = X_("PlaySelection");
3948                 break;
3949         case RecordEnable:
3950                 action = X_("Record");
3951                 break;
3952         default:
3953                 break;
3954         }
3955
3956         if (action == 0) {
3957                 return;
3958         }
3959
3960         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3961
3962         if (act) {
3963                 act->activate ();
3964         }
3965 }
3966
3967 double
3968 ARDOUR_UI::TransportControllable::get_value (void) const
3969 {
3970         float val = 0.0;
3971
3972         switch (type) {
3973         case Roll:
3974                 break;
3975         case Stop:
3976                 break;
3977         case GotoStart:
3978                 break;
3979         case GotoEnd:
3980                 break;
3981         case AutoLoop:
3982                 break;
3983         case PlaySelection:
3984                 break;
3985         case RecordEnable:
3986                 break;
3987         default:
3988                 break;
3989         }
3990
3991         return val;
3992 }
3993
3994 void
3995 ARDOUR_UI::setup_profile ()
3996 {
3997         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3998                 Profile->set_small_screen ();
3999         }
4000
4001         if (getenv ("ARDOUR_SAE")) {
4002                 Profile->set_sae ();
4003                 Profile->set_single_package ();
4004         }
4005 }
4006
4007 int
4008 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4009 {
4010         MissingFileDialog dialog (s, str, type);
4011
4012         dialog.show ();
4013         dialog.present ();
4014
4015         int result = dialog.run ();
4016         dialog.hide ();
4017
4018         switch (result) {
4019         case RESPONSE_OK:
4020                 break;
4021         default:
4022                 return 1; // quit entire session load
4023         }
4024
4025         result = dialog.get_action ();
4026
4027         return result;
4028 }
4029
4030 int
4031 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4032 {
4033         AmbiguousFileDialog dialog (file, hits);
4034
4035         dialog.show ();
4036         dialog.present ();
4037
4038         dialog.run ();
4039         return dialog.get_which ();
4040 }
4041
4042 /** Allocate our thread-local buffers */
4043 void
4044 ARDOUR_UI::get_process_buffers ()
4045 {
4046         _process_thread->get_buffers ();
4047 }
4048
4049 /** Drop our thread-local buffers */
4050 void
4051 ARDOUR_UI::drop_process_buffers ()
4052 {
4053         _process_thread->drop_buffers ();
4054 }
4055
4056 void
4057 ARDOUR_UI::feedback_detected ()
4058 {
4059         _feedback_exists = true;
4060 }
4061
4062 void
4063 ARDOUR_UI::successful_graph_sort ()
4064 {
4065         _feedback_exists = false;
4066 }
4067
4068 void
4069 ARDOUR_UI::midi_panic ()
4070 {
4071         if (_session) {
4072                 _session->midi_panic();
4073         }
4074 }
4075
4076 void
4077 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4078 {
4079         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4080         const char* end_big = "</span>";
4081         const char* start_mono = "<tt>";
4082         const char* end_mono = "</tt>";
4083
4084         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4085                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4086                                              "From now on, use the -2000 version with older versions of %3"),
4087                                            xml_path, backup_path, PROGRAM_NAME,
4088                                            start_big, end_big,
4089                                            start_mono, end_mono), true);
4090
4091         msg.run ();
4092 }
4093
4094
4095 void
4096 ARDOUR_UI::reset_peak_display ()
4097 {
4098         if (!_session || !_session->master_out() || !editor_meter) return;
4099         editor_meter->clear_meters();
4100         editor_meter_max_peak = -INFINITY;
4101         editor_meter_peak_display.set_name ("meterbridge peakindicator");
4102         editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
4103 }
4104
4105 void
4106 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4107 {
4108         if (!_session || !_session->master_out()) return;
4109         if (group == _session->master_out()->route_group()) {
4110                 reset_peak_display ();
4111         }
4112 }
4113
4114 void
4115 ARDOUR_UI::reset_route_peak_display (Route* route)
4116 {
4117         if (!_session || !_session->master_out()) return;
4118         if (_session->master_out().get() == route) {
4119                 reset_peak_display ();
4120         }
4121 }
4122
4123 void
4124 ARDOUR_UI::toggle_audio_midi_setup ()
4125 {
4126         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("toggle-audio-midi-setup"));
4127         if (!act) {
4128                 return;
4129         }
4130
4131         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
4132
4133         if (tact->get_active()) {
4134                 launch_audio_midi_setup ();
4135         } else {
4136                 _audio_midi_setup->hide ();
4137         }
4138 }
4139
4140 void
4141 ARDOUR_UI::launch_audio_midi_setup ()
4142 {
4143         if (!_audio_midi_setup) {
4144                 _audio_midi_setup = new EngineControl ();
4145         }
4146
4147         _audio_midi_setup->present ();
4148 }
4149
4150 int
4151 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4152 {
4153         launch_audio_midi_setup ();
4154
4155         _audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4156
4157         int r = _audio_midi_setup->run ();
4158
4159         switch (r) {
4160         case Gtk::RESPONSE_OK:
4161                 return 0;
4162         case Gtk::RESPONSE_APPLY:
4163                 return 0;
4164         default:
4165                 return -1;
4166         }
4167 }