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