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         const 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         /* we need to create this early because it may need to set the
 738          *  audio backend end up.
 739          */
 740
 741         try {
 742                 audio_midi_setup.get (true);
 743         } catch (...) {
 744                 return -1;
 745         }
 746
 747         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 748                 nsm = new NSM_Client;
 749                 if (!nsm->init (nsm_url)) {
 750                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 751
 752                         unsigned int i = 0;
 753                         // wait for announce reply from nsm server
 754                         for ( i = 0; i < 5000; ++i) {
 755                                 nsm->check ();
 756                                 usleep (i);
 757                                 if (nsm->is_active()) {
 758                                         break;
 759                                 }
 760                         }
 761                         if (i == 5000) {
 762                                 error << _("NSM server did not announce itself") << endmsg;
 763                                 return -1;
 764                         }
 765                         // wait for open command from nsm server
 766                         for ( i = 0; i < 5000; ++i) {
 767                                 nsm->check ();
 768                                 usleep (1000);
 769                                 if (nsm->client_id ()) {
 770                                         break;
 771                                 }
 772                         }
 773
 774                         if (i == 5000) {
 775                                 error << _("NSM: no client ID provided") << endmsg;
 776                                 return -1;
 777                         }
 778
 779                         if (_session && nsm) {
 780                                 _session->set_nsm_state( nsm->is_active() );
 781                         } else {
 782                                 error << _("NSM: no session created") << endmsg;
 783                                 return -1;
 784                         }
 785
 786                         // nsm requires these actions disabled
 787                         vector<string> action_names;
 788                         action_names.push_back("SaveAs");
 789                         action_names.push_back("Rename");
 790                         action_names.push_back("New");
 791                         action_names.push_back("Open");
 792                         action_names.push_back("Recent");
 793                         action_names.push_back("Close");
 794
 795                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 796                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 797                                 if (act) {
 798                                         act->set_sensitive (false);
 799                                 }
 800                         }
 801
 802                 } else {
 803                         delete nsm;
 804                         nsm = 0;
 805                         error << _("NSM: initialization failed") << endmsg;
 806                         return -1;
 807                 }
 808
 809         } else  {
 810
 811                 if (brand_new_user) {
 812                         ArdourStartup s;
 813                         s.present ();
 814                         main().run();
 815                         s.hide ();
 816                         switch (s.response ()) {
 817                         case Gtk::RESPONSE_OK:
 818                                 break;
 819                         default:
 820                                 return -1;
 821                         }
 822                 }
 823
 824                 /* go get a session */
 825
 826                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 827
 828                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 829                         return -1;
 830                 }
 831         }
 832
 833         use_config ();
 834
 835         goto_editor_window ();
 836
 837         WM::Manager::instance().show_visible ();
 838
 839         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 840          * editor window, and we may want stuff to be hidden.
 841          */
 842         _status_bar_visibility.update ();
 843
 844         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 845         return 0;
 846 }
 847
 848 void
 849 ARDOUR_UI::check_memory_locking ()
 850 {
 851 #ifdef __APPLE__
 852         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 853         return;
 854 #else // !__APPLE__
 855
 856         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 857
 858         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 859
 860                 struct rlimit limits;
 861                 int64_t ram;
 862                 long pages, page_size;
 863 #ifdef __FreeBSD__
 864                 size_t pages_len=sizeof(pages);
 865                 if ((page_size = getpagesize()) < 0 ||
 866                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 867 #else
 868                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 869 #endif
 870                 {
 871                         ram = 0;
 872                 } else {
 873                         ram = (int64_t) pages * (int64_t) page_size;
 874                 }
 875
 876                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 877                         return;
 878                 }
 879
 880                 if (limits.rlim_cur != RLIM_INFINITY) {
 881
 882                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 883
 884                                 MessageDialog msg (
 885                                         string_compose (
 886                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 887                                                   "This might cause %1 to run out of memory before your system "
 888                                                   "runs out of memory. \n\n"
 889                                                   "You can view the memory limit with 'ulimit -l', "
 890                                                   "and it is normally controlled by %2"),
 891                                                 PROGRAM_NAME,
 892 #ifdef __FreeBSD__
 893                                                 X_("/etc/login.conf")
 894 #else
 895                                                 X_(" /etc/security/limits.conf")
 896 #endif
 897                                         ).c_str());
 898
 899                                 msg.set_default_response (RESPONSE_OK);
 900
 901                                 VBox* vbox = msg.get_vbox();
 902                                 HBox hbox;
 903                                 CheckButton cb (_("Do not show this window again"));
 904                                 hbox.pack_start (cb, true, false);
 905                                 vbox->pack_start (hbox);
 906                                 cb.show();
 907                                 vbox->show();
 908                                 hbox.show ();
 909
 910                                 pop_back_splash (msg);
 911
 912                                 editor->ensure_float (msg);
 913                                 msg.run ();
 914
 915                                 if (cb.get_active()) {
 916                                         XMLNode node (X_("no-memory-warning"));
 917                                         Config->add_instant_xml (node);
 918                                 }
 919                         }
 920                 }
 921         }
 922 #endif // !__APPLE__
 923 }
 924
 925
 926 void
 927 ARDOUR_UI::queue_finish ()
 928 {
 929         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 930 }
 931
 932 bool
 933 ARDOUR_UI::idle_finish ()
 934 {
 935         finish ();
 936         return false; /* do not call again */
 937 }
 938
 939 void
 940 ARDOUR_UI::finish()
 941 {
 942         if (_session) {
 943                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 944
 945                 if (_session->dirty()) {
 946                         vector<string> actions;
 947                         actions.push_back (_("Don't quit"));
 948                         actions.push_back (_("Just quit"));
 949                         actions.push_back (_("Save and quit"));
 950                         switch (ask_about_saving_session(actions)) {
 951                         case -1:
 952                                 return;
 953                                 break;
 954                         case 1:
 955                                 /* use the default name */
 956                                 if (save_state_canfail ("")) {
 957                                         /* failed - don't quit */
 958                                         MessageDialog msg (*editor,
 959                                                            string_compose (_("\
 960 %1 was unable to save your session.\n\n\
 961 If you still wish to quit, please use the\n\n\
 962 \"Just quit\" option."), PROGRAM_NAME));
 963                                         pop_back_splash(msg);
 964                                         msg.run ();
 965                                         return;
 966                                 }
 967                                 break;
 968                         case 0:
 969                                 break;
 970                         }
 971                 }
 972
 973                 second_connection.disconnect ();
 974                 point_one_second_connection.disconnect ();
 975                 point_zero_something_second_connection.disconnect();
 976         }
 977
 978         delete ARDOUR_UI::instance()->video_timeline;
 979         ARDOUR_UI::instance()->video_timeline = NULL;
 980         stop_video_server();
 981
 982         /* Save state before deleting the session, as that causes some
 983            windows to be destroyed before their visible state can be
 984            saved.
 985         */
 986         save_ardour_state ();
 987
 988         close_all_dialogs ();
 989
 990         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 991
 992         if (_session) {
 993                 // _session->set_deletion_in_progress ();
 994                 _session->set_clean ();
 995                 _session->remove_pending_capture_state ();
 996                 delete _session;
 997                 _session = 0;
 998         }
 999
1000         halt_connection.disconnect ();
1001         AudioEngine::instance()->stop ();
1002         quit ();
1003 }
1004
1005 int
1006 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1007 {
1008         ArdourDialog window (_("Unsaved Session"));
1009         Gtk::HBox dhbox;  // the hbox for the image and text
1010         Gtk::Label  prompt_label;
1011         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1012
1013         string msg;
1014
1015         assert (actions.size() >= 3);
1016
1017         window.add_button (actions[0], RESPONSE_REJECT);
1018         window.add_button (actions[1], RESPONSE_APPLY);
1019         window.add_button (actions[2], RESPONSE_ACCEPT);
1020
1021         window.set_default_response (RESPONSE_ACCEPT);
1022
1023         Gtk::Button noquit_button (msg);
1024         noquit_button.set_name ("EditorGTKButton");
1025
1026         string prompt;
1027
1028         if (_session->snap_name() == _session->name()) {
1029                 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?"),
1030                                         _session->snap_name());
1031         } else {
1032                 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?"),
1033                                         _session->snap_name());
1034         }
1035
1036         prompt_label.set_text (prompt);
1037         prompt_label.set_name (X_("PrompterLabel"));
1038         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1039
1040         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1041         dhbox.set_homogeneous (false);
1042         dhbox.pack_start (*dimage, false, false, 5);
1043         dhbox.pack_start (prompt_label, true, false, 5);
1044         window.get_vbox()->pack_start (dhbox);
1045
1046         window.set_name (_("Prompter"));
1047         window.set_modal (true);
1048         window.set_resizable (false);
1049
1050         dhbox.show();
1051         prompt_label.show();
1052         dimage->show();
1053         window.show();
1054         window.set_keep_above (true);
1055         window.present ();
1056
1057         ResponseType r = (ResponseType) window.run();
1058
1059         window.hide ();
1060
1061         switch (r) {
1062         case RESPONSE_ACCEPT: // save and get out of here
1063                 return 1;
1064         case RESPONSE_APPLY:  // get out of here
1065                 return 0;
1066         default:
1067                 break;
1068         }
1069
1070         return -1;
1071 }
1072
1073
1074 gint
1075 ARDOUR_UI::every_second ()
1076 {
1077         update_cpu_load ();
1078         update_buffer_load ();
1079         update_disk_space ();
1080         update_timecode_format ();
1081
1082         if (nsm && nsm->is_active ()) {
1083                 nsm->check ();
1084
1085                 if (!_was_dirty && _session->dirty ()) {
1086                         nsm->is_dirty ();
1087                         _was_dirty = true;
1088                 }
1089                 else if (_was_dirty && !_session->dirty ()){
1090                         nsm->is_clean ();
1091                         _was_dirty = false;
1092                 }
1093         }
1094         return TRUE;
1095 }
1096
1097 gint
1098 ARDOUR_UI::every_point_one_seconds ()
1099 {
1100         shuttle_box->update_speed_display ();
1101         RapidScreenUpdate(); /* EMIT_SIGNAL */
1102         return TRUE;
1103 }
1104
1105 gint
1106 ARDOUR_UI::every_point_zero_something_seconds ()
1107 {
1108         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1109
1110         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1111         if (editor_meter && Config->get_show_editor_meter()) {
1112                 float mpeak = editor_meter->update_meters();
1113                 if (mpeak > editor_meter_max_peak) {
1114                         if (mpeak >= Config->get_meter_peak()) {
1115                                 editor_meter_peak_display.set_name ("meterbridge peakindicator on");
1116                                 editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
1117                         }
1118                 }
1119         }
1120         return TRUE;
1121 }
1122
1123 void
1124 ARDOUR_UI::update_sample_rate (framecnt_t)
1125 {
1126         char buf[64];
1127
1128         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1129
1130         if (!AudioEngine::instance()->connected()) {
1131
1132                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1133
1134         } else {
1135
1136                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1137
1138                 if (rate == 0) {
1139                         /* no sample rate available */
1140                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1141                 } else {
1142
1143                         if (fmod (rate, 1000.0) != 0.0) {
1144                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1145                                           (float) rate / 1000.0f,
1146                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1147                         } else {
1148                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1149                                           rate/1000,
1150                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1151                         }
1152                 }
1153         }
1154         sample_rate_label.set_markup (buf);
1155 }
1156
1157 void
1158 ARDOUR_UI::update_format ()
1159 {
1160         if (!_session) {
1161                 format_label.set_text ("");
1162                 return;
1163         }
1164
1165         stringstream s;
1166         s << _("File:") << X_(" <span foreground=\"green\">");
1167
1168         switch (_session->config.get_native_file_header_format ()) {
1169         case BWF:
1170                 s << _("BWF");
1171                 break;
1172         case WAVE:
1173                 s << _("WAV");
1174                 break;
1175         case WAVE64:
1176                 s << _("WAV64");
1177                 break;
1178         case CAF:
1179                 s << _("CAF");
1180                 break;
1181         case AIFF:
1182                 s << _("AIFF");
1183                 break;
1184         case iXML:
1185                 s << _("iXML");
1186                 break;
1187         case RF64:
1188                 s << _("RF64");
1189                 break;
1190         }
1191
1192         s << " ";
1193
1194         switch (_session->config.get_native_file_data_format ()) {
1195         case FormatFloat:
1196                 s << _("32-float");
1197                 break;
1198         case FormatInt24:
1199                 s << _("24-int");
1200                 break;
1201         case FormatInt16:
1202                 s << _("16-int");
1203                 break;
1204         }
1205
1206         s << X_("</span>");
1207
1208         format_label.set_markup (s.str ());
1209 }
1210
1211 void
1212 ARDOUR_UI::update_cpu_load ()
1213 {
1214         char buf[64];
1215
1216         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1217            should also be changed.
1218         */
1219
1220         float const c = AudioEngine::instance()->get_cpu_load ();
1221         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1222         cpu_load_label.set_markup (buf);
1223 }
1224
1225 void
1226 ARDOUR_UI::update_buffer_load ()
1227 {
1228         char buf[256];
1229
1230         uint32_t const playback = _session ? _session->playback_load () : 100;
1231         uint32_t const capture = _session ? _session->capture_load () : 100;
1232
1233         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1234            should also be changed.
1235         */
1236
1237         if (_session) {
1238                 snprintf (
1239                         buf, sizeof (buf),
1240                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1241                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1242                         playback <= 5 ? X_("red") : X_("green"),
1243                         playback,
1244                         capture <= 5 ? X_("red") : X_("green"),
1245                         capture
1246                         );
1247
1248                 buffer_load_label.set_markup (buf);
1249         } else {
1250                 buffer_load_label.set_text ("");
1251         }
1252 }
1253
1254 void
1255 ARDOUR_UI::count_recenabled_streams (Route& route)
1256 {
1257         Track* track = dynamic_cast<Track*>(&route);
1258         if (track && track->record_enabled()) {
1259                 rec_enabled_streams += track->n_inputs().n_total();
1260         }
1261 }
1262
1263 void
1264 ARDOUR_UI::update_disk_space()
1265 {
1266         if (_session == 0) {
1267                 return;
1268         }
1269
1270         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1271         char buf[64];
1272         framecnt_t fr = _session->frame_rate();
1273
1274         if (fr == 0) {
1275                 /* skip update - no SR available */
1276                 return;
1277         }
1278
1279         if (!opt_frames) {
1280                 /* Available space is unknown */
1281                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1282         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1283                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1284         } else {
1285                 rec_enabled_streams = 0;
1286                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1287
1288                 framecnt_t frames = opt_frames.get_value_or (0);
1289
1290                 if (rec_enabled_streams) {
1291                         frames /= rec_enabled_streams;
1292                 }
1293
1294                 int hrs;
1295                 int mins;
1296                 int secs;
1297
1298                 hrs  = frames / (fr * 3600);
1299
1300                 if (hrs > 24) {
1301                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1302                 } else {
1303                         frames -= hrs * fr * 3600;
1304                         mins = frames / (fr * 60);
1305                         frames -= mins * fr * 60;
1306                         secs = frames / fr;
1307
1308                         bool const low = (hrs == 0 && mins <= 30);
1309
1310                         snprintf (
1311                                 buf, sizeof(buf),
1312                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1313                                 low ? X_("red") : X_("green"),
1314                                 hrs, mins, secs
1315                                 );
1316                 }
1317         }
1318
1319         disk_space_label.set_markup (buf);
1320 }
1321
1322 void
1323 ARDOUR_UI::update_timecode_format ()
1324 {
1325         char buf[64];
1326
1327         if (_session) {
1328                 bool matching;
1329                 TimecodeSlave* tcslave;
1330                 SyncSource sync_src = Config->get_sync_source();
1331
1332                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1333                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1334                 } else {
1335                         matching = true;
1336                 }
1337
1338                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1339                           matching ? X_("green") : X_("red"),
1340                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1341         } else {
1342                 snprintf (buf, sizeof (buf), "TC: n/a");
1343         }
1344
1345         timecode_format_label.set_markup (buf);
1346 }
1347
1348 gint
1349 ARDOUR_UI::update_wall_clock ()
1350 {
1351         time_t now;
1352         struct tm *tm_now;
1353         static int last_min = -1;
1354
1355         time (&now);
1356         tm_now = localtime (&now);
1357         if (last_min != tm_now->tm_min) {
1358                 char buf[16];
1359                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1360                 wall_clock_label.set_text (buf);
1361                 last_min = tm_now->tm_min;
1362         }
1363
1364         return TRUE;
1365 }
1366
1367 void
1368 ARDOUR_UI::redisplay_recent_sessions ()
1369 {
1370         std::vector<std::string> session_directories;
1371         RecentSessionsSorter cmp;
1372
1373         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1374         recent_session_model->clear ();
1375
1376         ARDOUR::RecentSessions rs;
1377         ARDOUR::read_recent_sessions (rs);
1378
1379         if (rs.empty()) {
1380                 recent_session_display.set_model (recent_session_model);
1381                 return;
1382         }
1383
1384         // sort them alphabetically
1385         sort (rs.begin(), rs.end(), cmp);
1386
1387         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1388                 session_directories.push_back ((*i).second);
1389         }
1390
1391         for (vector<std::string>::const_iterator i = session_directories.begin();
1392                         i != session_directories.end(); ++i)
1393         {
1394                 std::vector<std::string> state_file_paths;
1395
1396                 // now get available states for this session
1397
1398                 get_state_files_in_directory (*i, state_file_paths);
1399
1400                 vector<string*>* states;
1401                 vector<const gchar*> item;
1402                 string fullpath = *i;
1403
1404                 /* remove any trailing / */
1405
1406                 if (fullpath[fullpath.length() - 1] == '/') {
1407                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1408                 }
1409
1410                 /* check whether session still exists */
1411                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1412                         /* session doesn't exist */
1413                         continue;
1414                 }
1415
1416                 /* now get available states for this session */
1417
1418                 if ((states = Session::possible_states (fullpath)) == 0) {
1419                         /* no state file? */
1420                         continue;
1421                 }
1422
1423                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1424
1425                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1426
1427                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1428                 row[recent_session_columns.fullpath] = fullpath;
1429                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1430
1431                 if (state_file_names.size() > 1) {
1432
1433                         // add the children
1434
1435                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1436                                         i2 != state_file_names.end(); ++i2)
1437                         {
1438
1439                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1440
1441                                 child_row[recent_session_columns.visible_name] = *i2;
1442                                 child_row[recent_session_columns.fullpath] = fullpath;
1443                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1444                         }
1445                 }
1446         }
1447
1448         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1449         recent_session_display.set_model (recent_session_model);
1450 }
1451
1452 void
1453 ARDOUR_UI::build_session_selector ()
1454 {
1455         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1456
1457         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1458
1459         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1460         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1461         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1462         recent_session_model = TreeStore::create (recent_session_columns);
1463         recent_session_display.set_model (recent_session_model);
1464         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1465         recent_session_display.set_headers_visible (false);
1466         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1467         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1468
1469         scroller->add (recent_session_display);
1470         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1471
1472         session_selector_window->set_name ("SessionSelectorWindow");
1473         session_selector_window->set_size_request (200, 400);
1474         session_selector_window->get_vbox()->pack_start (*scroller);
1475
1476         recent_session_display.show();
1477         scroller->show();
1478 }
1479
1480 void
1481 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1482 {
1483         session_selector_window->response (RESPONSE_ACCEPT);
1484 }
1485
1486 void
1487 ARDOUR_UI::open_recent_session ()
1488 {
1489         bool can_return = (_session != 0);
1490
1491         if (session_selector_window == 0) {
1492                 build_session_selector ();
1493         }
1494
1495         redisplay_recent_sessions ();
1496
1497         while (true) {
1498
1499                 ResponseType r = (ResponseType) session_selector_window->run ();
1500
1501                 switch (r) {
1502                 case RESPONSE_ACCEPT:
1503                         break;
1504                 default:
1505                         if (can_return) {
1506                                 session_selector_window->hide();
1507                                 return;
1508                         } else {
1509                                 exit (1);
1510                         }
1511                 }
1512
1513                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1514                         continue;
1515                 }
1516
1517                 session_selector_window->hide();
1518
1519                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1520
1521                 if (i == recent_session_model->children().end()) {
1522                         return;
1523                 }
1524
1525                 std::string path = (*i)[recent_session_columns.fullpath];
1526                 std::string state = (*i)[recent_session_columns.visible_name];
1527
1528                 _session_is_new = false;
1529
1530                 if (load_session (path, state) == 0) {
1531                         break;
1532                 }
1533
1534                 can_return = false;
1535         }
1536 }
1537
1538 bool
1539 ARDOUR_UI::check_audioengine ()
1540 {
1541         if (!AudioEngine::instance()->connected()) {
1542                 MessageDialog msg (string_compose (
1543                                            _("%1 is not connected to any audio backend.\n"
1544                                              "You cannot open or close sessions in this condition"),
1545                                            PROGRAM_NAME));
1546                 pop_back_splash (msg);
1547                 msg.run ();
1548                 return false;
1549         }
1550         return true;
1551 }
1552
1553 void
1554 ARDOUR_UI::open_session ()
1555 {
1556         if (!check_audioengine()) {
1557                 return;
1558
1559         }
1560
1561         /* popup selector window */
1562
1563         if (open_session_selector == 0) {
1564
1565                 /* ardour sessions are folders */
1566
1567                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1568                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1569                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1570                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1571
1572                 if (_session) {
1573                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1574                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1575                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1576                         open_session_selector->set_current_folder(session_parent_dir);
1577                 } else {
1578                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1579                 }
1580
1581                 string default_session_folder = Config->get_default_session_parent_dir();
1582                 try {
1583                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1584                         open_session_selector->add_shortcut_folder (default_session_folder);
1585                 }
1586                 catch (Glib::Error & e) {
1587                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1588                 }
1589
1590                 FileFilter session_filter;
1591                 session_filter.add_pattern ("*.ardour");
1592                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1593                 open_session_selector->add_filter (session_filter);
1594                 open_session_selector->set_filter (session_filter);
1595         }
1596
1597         int response = open_session_selector->run();
1598         open_session_selector->hide ();
1599
1600         switch (response) {
1601         case RESPONSE_ACCEPT:
1602                 break;
1603         default:
1604                 open_session_selector->hide();
1605                 return;
1606         }
1607
1608         open_session_selector->hide();
1609         string session_path = open_session_selector->get_filename();
1610         string path, name;
1611         bool isnew;
1612
1613         if (session_path.length() > 0) {
1614                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1615                         _session_is_new = isnew;
1616                         load_session (path, name);
1617                 }
1618         }
1619 }
1620
1621
1622 void
1623 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1624                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1625 {
1626         list<boost::shared_ptr<MidiTrack> > tracks;
1627
1628         if (_session == 0) {
1629                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1630                 return;
1631         }
1632
1633         try {
1634                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1635
1636                 if (tracks.size() != how_many) {
1637                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1638                 }
1639         }
1640
1641         catch (...) {
1642                 MessageDialog msg (*editor,
1643                                    string_compose (_("There are insufficient JACK ports available\n\
1644 to create a new track or bus.\n\
1645 You should save %1, exit and\n\
1646 restart JACK with more ports."), PROGRAM_NAME));
1647                 msg.run ();
1648         }
1649 }
1650
1651
1652 void
1653 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1654 {
1655         ChanCount one_midi_channel;
1656         one_midi_channel.set (DataType::MIDI, 1);
1657
1658         if (disk) {
1659                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1660         }
1661 }
1662
1663 void
1664 ARDOUR_UI::session_add_audio_route (
1665         bool track,
1666         int32_t input_channels,
1667         int32_t output_channels,
1668         ARDOUR::TrackMode mode,
1669         RouteGroup* route_group,
1670         uint32_t how_many,
1671         string const & name_template
1672         )
1673 {
1674         list<boost::shared_ptr<AudioTrack> > tracks;
1675         RouteList routes;
1676
1677         if (_session == 0) {
1678                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1679                 return;
1680         }
1681
1682         try {
1683                 if (track) {
1684                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1685
1686                         if (tracks.size() != how_many) {
1687                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1688                                       << endmsg;
1689                         }
1690
1691                 } else {
1692
1693                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1694
1695                         if (routes.size() != how_many) {
1696                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1697                                       << endmsg;
1698                         }
1699                 }
1700         }
1701
1702         catch (...) {
1703                 MessageDialog msg (*editor,
1704                                    string_compose (_("There are insufficient JACK ports available\n\
1705 to create a new track or bus.\n\
1706 You should save %1, exit and\n\
1707 restart JACK with more ports."), PROGRAM_NAME));
1708                 pop_back_splash (msg);
1709                 msg.run ();
1710         }
1711 }
1712
1713 void
1714 ARDOUR_UI::transport_goto_start ()
1715 {
1716         if (_session) {
1717                 _session->goto_start();
1718
1719                 /* force displayed area in editor to start no matter
1720                    what "follow playhead" setting is.
1721                 */
1722
1723                 if (editor) {
1724                         editor->center_screen (_session->current_start_frame ());
1725                 }
1726         }
1727 }
1728
1729 void
1730 ARDOUR_UI::transport_goto_zero ()
1731 {
1732         if (_session) {
1733                 _session->request_locate (0);
1734
1735                 /* force displayed area in editor to start no matter
1736                    what "follow playhead" setting is.
1737                 */
1738
1739                 if (editor) {
1740                         editor->reset_x_origin (0);
1741                 }
1742         }
1743 }
1744
1745 void
1746 ARDOUR_UI::transport_goto_wallclock ()
1747 {
1748         if (_session && editor) {
1749
1750                 time_t now;
1751                 struct tm tmnow;
1752                 framepos_t frames;
1753
1754                 time (&now);
1755                 localtime_r (&now, &tmnow);
1756
1757                 int frame_rate = _session->frame_rate();
1758
1759                 if (frame_rate == 0) {
1760                         /* no frame rate available */
1761                         return;
1762                 }
1763
1764                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1765                 frames += tmnow.tm_min * (60 * frame_rate);
1766                 frames += tmnow.tm_sec * frame_rate;
1767
1768                 _session->request_locate (frames, _session->transport_rolling ());
1769
1770                 /* force displayed area in editor to start no matter
1771                    what "follow playhead" setting is.
1772                 */
1773
1774                 if (editor) {
1775                         editor->center_screen (frames);
1776                 }
1777         }
1778 }
1779
1780 void
1781 ARDOUR_UI::transport_goto_end ()
1782 {
1783         if (_session) {
1784                 framepos_t const frame = _session->current_end_frame();
1785                 _session->request_locate (frame);
1786
1787                 /* force displayed area in editor to start no matter
1788                    what "follow playhead" setting is.
1789                 */
1790
1791                 if (editor) {
1792                         editor->center_screen (frame);
1793                 }
1794         }
1795 }
1796
1797 void
1798 ARDOUR_UI::transport_stop ()
1799 {
1800         if (!_session) {
1801                 return;
1802         }
1803
1804         if (_session->is_auditioning()) {
1805                 _session->cancel_audition ();
1806                 return;
1807         }
1808
1809         _session->request_stop (false, true);
1810 }
1811
1812 void
1813 ARDOUR_UI::transport_record (bool roll)
1814 {
1815
1816         if (_session) {
1817                 switch (_session->record_status()) {
1818                 case Session::Disabled:
1819                         if (_session->ntracks() == 0) {
1820                                 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."));
1821                                 msg.run ();
1822                                 return;
1823                         }
1824                         _session->maybe_enable_record ();
1825                         if (roll) {
1826                                 transport_roll ();
1827                         }
1828                         break;
1829                 case Session::Recording:
1830                         if (roll) {
1831                                 _session->request_stop();
1832                         } else {
1833                                 _session->disable_record (false, true);
1834                         }
1835                         break;
1836
1837                 case Session::Enabled:
1838                         _session->disable_record (false, true);
1839                 }
1840         }
1841 }
1842
1843 void
1844 ARDOUR_UI::transport_roll ()
1845 {
1846         if (!_session) {
1847                 return;
1848         }
1849
1850         if (_session->is_auditioning()) {
1851                 return;
1852         }
1853
1854 #if 0
1855         if (_session->config.get_external_sync()) {
1856                 switch (Config->get_sync_source()) {
1857                 case Engine:
1858                         break;
1859                 default:
1860                         /* transport controlled by the master */
1861                         return;
1862                 }
1863         }
1864 #endif
1865
1866         bool rolling = _session->transport_rolling();
1867
1868         if (_session->get_play_loop()) {
1869                 /* XXX it is not possible to just leave seamless loop and keep
1870                    playing at present (nov 4th 2009)
1871                 */
1872                 if (!Config->get_seamless_loop()) {
1873                         _session->request_play_loop (false, true);
1874                 }
1875         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1876                 /* stop playing a range if we currently are */
1877                 _session->request_play_range (0, true);
1878         }
1879
1880         if (!rolling) {
1881                 _session->request_transport_speed (1.0f);
1882         }
1883 }
1884
1885 bool
1886 ARDOUR_UI::get_smart_mode() const
1887 {
1888         return ( editor->get_smart_mode() );
1889 }
1890
1891
1892 void
1893 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1894 {
1895
1896         if (!_session) {
1897                 return;
1898         }
1899
1900         if (_session->is_auditioning()) {
1901                 _session->cancel_audition ();
1902                 return;
1903         }
1904
1905         if (_session->config.get_external_sync()) {
1906                 switch (Config->get_sync_source()) {
1907                 case Engine:
1908                         break;
1909                 default:
1910                         /* transport controlled by the master */
1911                         return;
1912                 }
1913         }
1914
1915         bool rolling = _session->transport_rolling();
1916         bool affect_transport = true;
1917
1918         if (rolling && roll_out_of_bounded_mode) {
1919                 /* drop out of loop/range playback but leave transport rolling */
1920                 if (_session->get_play_loop()) {
1921                         if (Config->get_seamless_loop()) {
1922                                 /* the disk buffers contain copies of the loop - we can't
1923                                    just keep playing, so stop the transport. the user
1924                                    can restart as they wish.
1925                                 */
1926                                 affect_transport = true;
1927                         } else {
1928                                 /* disk buffers are normal, so we can keep playing */
1929                                 affect_transport = false;
1930                         }
1931                         _session->request_play_loop (false, true);
1932                 } else if (_session->get_play_range ()) {
1933                         affect_transport = false;
1934                         _session->request_play_range (0, true);
1935                 }
1936         }
1937
1938         if (affect_transport) {
1939                 if (rolling) {
1940                         _session->request_stop (with_abort, true);
1941                 } else {
1942                         if ( Config->get_always_play_range() ) {
1943                                 _session->request_play_range (&editor->get_selection().time, true);
1944                         }
1945
1946                         _session->request_transport_speed (1.0f);
1947                 }
1948         }
1949 }
1950
1951 void
1952 ARDOUR_UI::toggle_session_auto_loop ()
1953 {
1954         Location * looploc = _session->locations()->auto_loop_location();
1955
1956         if (!_session || !looploc) {
1957                 return;
1958         }
1959
1960         if (_session->get_play_loop()) {
1961
1962                 if (_session->transport_rolling()) {
1963
1964                         _session->request_locate (looploc->start(), true);
1965                         _session->request_play_loop (false);
1966
1967                 } else {
1968                         _session->request_play_loop (false);
1969                 }
1970         } else {
1971                 _session->request_play_loop (true);
1972         }
1973
1974         //show the loop markers
1975         looploc->set_hidden (false, this);
1976 }
1977
1978 void
1979 ARDOUR_UI::transport_play_selection ()
1980 {
1981         if (!_session) {
1982                 return;
1983         }
1984
1985         editor->play_selection ();
1986 }
1987
1988 void
1989 ARDOUR_UI::transport_play_preroll ()
1990 {
1991         if (!_session) {
1992                 return;
1993         }
1994         editor->play_with_preroll ();
1995 }
1996
1997 void
1998 ARDOUR_UI::transport_rewind (int option)
1999 {
2000         float current_transport_speed;
2001
2002         if (_session) {
2003                 current_transport_speed = _session->transport_speed();
2004
2005                 if (current_transport_speed >= 0.0f) {
2006                         switch (option) {
2007                         case 0:
2008                                 _session->request_transport_speed (-1.0f);
2009                                 break;
2010                         case 1:
2011                                 _session->request_transport_speed (-4.0f);
2012                                 break;
2013                         case -1:
2014                                 _session->request_transport_speed (-0.5f);
2015                                 break;
2016                         }
2017                 } else {
2018                         /* speed up */
2019                         _session->request_transport_speed (current_transport_speed * 1.5f);
2020                 }
2021         }
2022 }
2023
2024 void
2025 ARDOUR_UI::transport_forward (int option)
2026 {
2027         if (!_session) {
2028                 return;
2029         }
2030
2031         float current_transport_speed = _session->transport_speed();
2032
2033         if (current_transport_speed <= 0.0f) {
2034                 switch (option) {
2035                 case 0:
2036                         _session->request_transport_speed (1.0f);
2037                         break;
2038                 case 1:
2039                         _session->request_transport_speed (4.0f);
2040                         break;
2041                 case -1:
2042                         _session->request_transport_speed (0.5f);
2043                         break;
2044                 }
2045         } else {
2046                 /* speed up */
2047                 _session->request_transport_speed (current_transport_speed * 1.5f);
2048         }
2049 }
2050
2051 void
2052 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2053 {
2054         if (!_session) {
2055                 return;
2056         }
2057
2058         boost::shared_ptr<Route> r;
2059
2060         if ((r = _session->route_by_remote_id (rid)) != 0) {
2061
2062                 Track* t;
2063
2064                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2065                         t->set_record_enabled (!t->record_enabled(), this);
2066                 }
2067         }
2068 }
2069
2070 void
2071 ARDOUR_UI::map_transport_state ()
2072 {
2073         if (!_session) {
2074                 auto_loop_button.unset_active_state ();
2075                 play_selection_button.unset_active_state ();
2076                 roll_button.unset_active_state ();
2077                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2078                 return;
2079         }
2080
2081         shuttle_box->map_transport_state ();
2082
2083         float sp = _session->transport_speed();
2084
2085         if (sp != 0.0f) {
2086
2087                 /* we're rolling */
2088
2089                 if (_session->get_play_range()) {
2090
2091                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2092                         roll_button.unset_active_state ();
2093                         auto_loop_button.unset_active_state ();
2094
2095                 } else if (_session->get_play_loop ()) {
2096
2097                         auto_loop_button.set_active (true);
2098                         play_selection_button.set_active (false);
2099                         roll_button.set_active (false);
2100
2101                 } else {
2102
2103                         roll_button.set_active (true);
2104                         play_selection_button.set_active (false);
2105                         auto_loop_button.set_active (false);
2106                 }
2107
2108                 if (Config->get_always_play_range()) {
2109                         /* light up both roll and play-selection if they are joined */
2110                         roll_button.set_active (true);
2111                         play_selection_button.set_active (true);
2112                 }
2113
2114                 stop_button.set_active (false);
2115
2116         } else {
2117
2118                 stop_button.set_active (true);
2119                 roll_button.set_active (false);
2120                 play_selection_button.set_active (false);
2121                 auto_loop_button.set_active (false);
2122                 update_disk_space ();
2123         }
2124 }
2125
2126 void
2127 ARDOUR_UI::update_clocks ()
2128 {
2129         if (!editor || !editor->dragging_playhead()) {
2130                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2131         }
2132 }
2133
2134 void
2135 ARDOUR_UI::start_clocking ()
2136 {
2137         if (Config->get_super_rapid_clock_update()) {
2138                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2139         } else {
2140                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2141         }
2142 }
2143
2144 void
2145 ARDOUR_UI::stop_clocking ()
2146 {
2147         clock_signal_connection.disconnect ();
2148 }
2149
2150 gint
2151 ARDOUR_UI::_blink (void *arg)
2152 {
2153         ((ARDOUR_UI *) arg)->blink ();
2154         return TRUE;
2155 }
2156
2157 void
2158 ARDOUR_UI::blink ()
2159 {
2160         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2161 }
2162
2163 void
2164 ARDOUR_UI::start_blinking ()
2165 {
2166         /* Start the blink signal. Everybody with a blinking widget
2167            uses Blink to drive the widget's state.
2168         */
2169
2170         if (blink_timeout_tag < 0) {
2171                 blink_on = false;
2172                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2173         }
2174 }
2175
2176 void
2177 ARDOUR_UI::stop_blinking ()
2178 {
2179         if (blink_timeout_tag >= 0) {
2180                 g_source_remove (blink_timeout_tag);
2181                 blink_timeout_tag = -1;
2182         }
2183 }
2184
2185
2186 /** Ask the user for the name of a new snapshot and then take it.
2187  */
2188
2189 void
2190 ARDOUR_UI::snapshot_session (bool switch_to_it)
2191 {
2192         ArdourPrompter prompter (true);
2193         string snapname;
2194
2195         prompter.set_name ("Prompter");
2196         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2197         if (switch_to_it) {
2198                 prompter.set_title (_("Save as..."));
2199                 prompter.set_prompt (_("New session name"));
2200         } else {
2201                 prompter.set_title (_("Take Snapshot"));
2202                 prompter.set_prompt (_("Name of new snapshot"));
2203         }
2204
2205         if (!switch_to_it) {
2206                 char timebuf[128];
2207                 time_t n;
2208                 struct tm local_time;
2209
2210                 time (&n);
2211                 localtime_r (&n, &local_time);
2212                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2213                 prompter.set_initial_text (timebuf);
2214         }
2215
2216   again:
2217         switch (prompter.run()) {
2218         case RESPONSE_ACCEPT:
2219         {
2220                 prompter.get_result (snapname);
2221
2222                 bool do_save = (snapname.length() != 0);
2223
2224                 if (do_save) {
2225                         char illegal = Session::session_name_is_legal(snapname);
2226                         if (illegal) {
2227                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2228                                                      "snapshot names may not contain a '%1' character"), illegal));
2229                                 msg.run ();
2230                                 goto again;
2231                         }
2232                 }
2233
2234                 vector<std::string> p;
2235                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2236                 vector<string> n = get_file_names_no_extension (p);
2237                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2238
2239                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2240                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2241                         confirm.get_vbox()->pack_start (m, true, true);
2242                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2243                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2244                         confirm.show_all ();
2245                         switch (confirm.run()) {
2246                         case RESPONSE_CANCEL:
2247                                 do_save = false;
2248                         }
2249                 }
2250
2251                 if (do_save) {
2252                         save_state (snapname, switch_to_it);
2253                 }
2254                 break;
2255         }
2256
2257         default:
2258                 break;
2259         }
2260 }
2261
2262 /** Ask the user for a new session name and then rename the session to it.
2263  */
2264
2265 void
2266 ARDOUR_UI::rename_session ()
2267 {
2268         if (!_session) {
2269                 return;
2270         }
2271
2272         ArdourPrompter prompter (true);
2273         string name;
2274
2275         prompter.set_name ("Prompter");
2276         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2277         prompter.set_title (_("Rename Session"));
2278         prompter.set_prompt (_("New session name"));
2279
2280   again:
2281         switch (prompter.run()) {
2282         case RESPONSE_ACCEPT:
2283         {
2284                 prompter.get_result (name);
2285
2286                 bool do_rename = (name.length() != 0);
2287
2288                 if (do_rename) {
2289                         char illegal = Session::session_name_is_legal (name);
2290
2291                         if (illegal) {
2292                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2293                                                                      "session names may not contain a '%1' character"), illegal));
2294                                 msg.run ();
2295                                 goto again;
2296                         }
2297
2298                         switch (_session->rename (name)) {
2299                         case -1: {
2300                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2301                                 msg.set_position (WIN_POS_MOUSE);
2302                                 msg.run ();
2303                                 goto again;
2304                                 break;
2305                         }
2306                         case 0:
2307                                 break;
2308                         default: {
2309                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2310                                 msg.set_position (WIN_POS_MOUSE);
2311                                 msg.run ();
2312                                 break;
2313                         }
2314                         }
2315                 }
2316
2317                 break;
2318         }
2319
2320         default:
2321                 break;
2322         }
2323 }
2324
2325 void
2326 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2327 {
2328         XMLNode* node = new XMLNode (X_("UI"));
2329
2330         WM::Manager::instance().add_state (*node);
2331
2332         node->add_child_nocopy (gui_object_state->get_state());
2333
2334         _session->add_extra_xml (*node);
2335
2336         save_state_canfail (name, switch_to_it);
2337 }
2338
2339 int
2340 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2341 {
2342         if (_session) {
2343                 int ret;
2344
2345                 if (name.length() == 0) {
2346                         name = _session->snap_name();
2347                 }
2348
2349                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2350                         return ret;
2351                 }
2352         }
2353
2354         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2355         return 0;
2356 }
2357
2358 void
2359 ARDOUR_UI::primary_clock_value_changed ()
2360 {
2361         if (_session) {
2362                 _session->request_locate (primary_clock->current_time ());
2363         }
2364 }
2365
2366 void
2367 ARDOUR_UI::big_clock_value_changed ()
2368 {
2369         if (_session) {
2370                 _session->request_locate (big_clock->current_time ());
2371         }
2372 }
2373
2374 void
2375 ARDOUR_UI::secondary_clock_value_changed ()
2376 {
2377         if (_session) {
2378                 _session->request_locate (secondary_clock->current_time ());
2379         }
2380 }
2381
2382 void
2383 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2384 {
2385         if (_session == 0) {
2386                 return;
2387         }
2388
2389         if (_session->step_editing()) {
2390                 return;
2391         }
2392
2393         Session::RecordState const r = _session->record_status ();
2394         bool const h = _session->have_rec_enabled_track ();
2395
2396         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2397                 if (onoff) {
2398                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2399                 } else {
2400                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2401                 }
2402         } else if (r == Session::Recording && h) {
2403                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2404         } else {
2405                 rec_button.unset_active_state ();
2406         }
2407 }
2408
2409 void
2410 ARDOUR_UI::save_template ()
2411 {
2412         ArdourPrompter prompter (true);
2413         string name;
2414
2415         if (!check_audioengine()) {
2416                 return;
2417         }
2418
2419         prompter.set_name (X_("Prompter"));
2420         prompter.set_title (_("Save Template"));
2421         prompter.set_prompt (_("Name for template:"));
2422         prompter.set_initial_text(_session->name() + _("-template"));
2423         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2424
2425         switch (prompter.run()) {
2426         case RESPONSE_ACCEPT:
2427                 prompter.get_result (name);
2428
2429                 if (name.length()) {
2430                         _session->save_template (name);
2431                 }
2432                 break;
2433
2434         default:
2435                 break;
2436         }
2437 }
2438
2439 void
2440 ARDOUR_UI::edit_metadata ()
2441 {
2442         SessionMetadataEditor dialog;
2443         dialog.set_session (_session);
2444         editor->ensure_float (dialog);
2445         dialog.run ();
2446 }
2447
2448 void
2449 ARDOUR_UI::import_metadata ()
2450 {
2451         SessionMetadataImporter dialog;
2452         dialog.set_session (_session);
2453         editor->ensure_float (dialog);
2454         dialog.run ();
2455 }
2456
2457 bool
2458 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2459 {
2460         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2461
2462         MessageDialog msg (str,
2463                            false,
2464                            Gtk::MESSAGE_WARNING,
2465                            Gtk::BUTTONS_YES_NO,
2466                            true);
2467
2468
2469         msg.set_name (X_("OpenExistingDialog"));
2470         msg.set_title (_("Open Existing Session"));
2471         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2472         msg.set_position (Gtk::WIN_POS_MOUSE);
2473         pop_back_splash (msg);
2474
2475         switch (msg.run()) {
2476         case RESPONSE_YES:
2477                 return true;
2478                 break;
2479         }
2480         return false;
2481 }
2482
2483 int
2484 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2485 {
2486         BusProfile bus_profile;
2487
2488         if (nsm || Profile->get_sae()) {
2489
2490                 bus_profile.master_out_channels = 2;
2491                 bus_profile.input_ac = AutoConnectPhysical;
2492                 bus_profile.output_ac = AutoConnectMaster;
2493                 bus_profile.requested_physical_in = 0; // use all available
2494                 bus_profile.requested_physical_out = 0; // use all available
2495
2496         } else {
2497
2498                 /* get settings from advanced section of NSD */
2499
2500                 if (sd.create_master_bus()) {
2501                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2502                 } else {
2503                         bus_profile.master_out_channels = 0;
2504                 }
2505
2506                 if (sd.connect_inputs()) {
2507                         bus_profile.input_ac = AutoConnectPhysical;
2508                 } else {
2509                         bus_profile.input_ac = AutoConnectOption (0);
2510                 }
2511
2512                 bus_profile.output_ac = AutoConnectOption (0);
2513
2514                 if (sd.connect_outputs ()) {
2515                         if (sd.connect_outs_to_master()) {
2516                                 bus_profile.output_ac = AutoConnectMaster;
2517                         } else if (sd.connect_outs_to_physical()) {
2518                                 bus_profile.output_ac = AutoConnectPhysical;
2519                         }
2520                 }
2521
2522                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2523                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2524         }
2525
2526         if (build_session (session_path, session_name, bus_profile)) {
2527                 return -1;
2528         }
2529
2530         return 0;
2531 }
2532
2533 void
2534 ARDOUR_UI::idle_load (const std::string& path)
2535 {
2536         if (_session) {
2537                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2538                         /* /path/to/foo => /path/to/foo, foo */
2539                         load_session (path, basename_nosuffix (path));
2540                 } else {
2541                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2542                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2543                 }
2544
2545         } else {
2546                 ARDOUR_COMMAND_LINE::session_name = path;
2547         }
2548 }
2549
2550 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2551 int
2552 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2553 {
2554         string session_name;
2555         string session_path;
2556         string template_name;
2557         int ret = -1;
2558         bool likely_new = false;
2559         bool cancel_not_quit;
2560
2561         /* deal with any existing DIRTY session now, rather than later. don't
2562          * treat a non-dirty session this way, so that it stays visible
2563          * as we bring up the new session dialog.
2564          */
2565
2566         if (_session && ARDOUR_UI::instance()->video_timeline) {
2567                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2568         }
2569
2570         /* if there is already a session, relabel the button
2571            on the SessionDialog so that we don't Quit directly
2572         */
2573         cancel_not_quit = (_session != 0);
2574
2575         if (_session && _session->dirty()) {
2576                 if (unload_session (false)) {
2577                         /* unload cancelled by user */
2578                         return 0;
2579                 }
2580                 ARDOUR_COMMAND_LINE::session_name = "";
2581         }
2582
2583         if (!load_template.empty()) {
2584                 should_be_new = true;
2585                 template_name = load_template;
2586         }
2587
2588         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2589         session_path = ARDOUR_COMMAND_LINE::session_name;
2590
2591         if (!session_path.empty()) {
2592                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2593                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2594                                 /* session/snapshot file, change path to be dir */
2595                                 session_path = Glib::path_get_dirname (session_path);
2596                         }
2597                 }
2598         }
2599
2600         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2601
2602         while (ret != 0) {
2603
2604                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2605
2606                         /* if they named a specific statefile, use it, otherwise they are
2607                            just giving a session folder, and we want to use it as is
2608                            to find the session.
2609                         */
2610
2611                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2612
2613                         if (suffix != string::npos) {
2614                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2615                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2616                                 session_name = Glib::path_get_basename (session_name);
2617                         } else {
2618                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2619                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2620                         }
2621                 } else {
2622                         session_path = "";
2623                         session_name = "";
2624                         session_dialog.clear_given ();
2625                 }
2626
2627                 if (should_be_new || session_name.empty()) {
2628                         /* need the dialog to get info from user */
2629
2630                         cerr << "run dialog\n";
2631
2632                         switch (session_dialog.run()) {
2633                         case RESPONSE_ACCEPT:
2634                                 break;
2635                         default:
2636                                 if (quit_on_cancel) {
2637                                         exit (1);
2638                                 } else {
2639                                         return ret;
2640                                 }
2641                         }
2642
2643                         session_dialog.hide ();
2644                 }
2645
2646                 /* if we run the startup dialog again, offer more than just "new session" */
2647
2648                 should_be_new = false;
2649
2650                 session_name = session_dialog.session_name (likely_new);
2651                 session_path = session_dialog.session_folder ();
2652
2653                 if (nsm) {
2654                         likely_new = true;
2655                 }
2656
2657                 string::size_type suffix = session_name.find (statefile_suffix);
2658
2659                 if (suffix != string::npos) {
2660                         session_name = session_name.substr (0, suffix);
2661                 }
2662
2663                 /* this shouldn't happen, but we catch it just in case it does */
2664
2665                 if (session_name.empty()) {
2666                         continue;
2667                 }
2668
2669                 if (session_dialog.use_session_template()) {
2670                         template_name = session_dialog.session_template_name();
2671                         _session_is_new = true;
2672                 }
2673
2674                 if (session_name[0] == G_DIR_SEPARATOR ||
2675                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2676                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2677
2678                         /* absolute path or cwd-relative path specified for session name: infer session folder
2679                            from what was given.
2680                         */
2681
2682                         session_path = Glib::path_get_dirname (session_name);
2683                         session_name = Glib::path_get_basename (session_name);
2684
2685                 } else {
2686
2687                         session_path = session_dialog.session_folder();
2688
2689                         char illegal = Session::session_name_is_legal (session_name);
2690
2691                         if (illegal) {
2692                                 MessageDialog msg (session_dialog,
2693                                                    string_compose (_("To ensure compatibility with various systems\n"
2694                                                                      "session names may not contain a '%1' character"),
2695                                                                    illegal));
2696                                 msg.run ();
2697                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2698                                 continue;
2699                         }
2700                 }
2701
2702                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2703
2704
2705                         if (likely_new && !nsm) {
2706
2707                                 std::string existing = Glib::build_filename (session_path, session_name);
2708
2709                                 if (!ask_about_loading_existing_session (existing)) {
2710                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2711                                         continue;
2712                                 }
2713                         }
2714
2715                         _session_is_new = false;
2716
2717                 } else {
2718
2719                         if (!likely_new) {
2720                                 pop_back_splash (session_dialog);
2721                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2722                                 msg.run ();
2723                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2724                                 continue;
2725                         }
2726
2727                         char illegal = Session::session_name_is_legal(session_name);
2728
2729                         if (illegal) {
2730                                 pop_back_splash (session_dialog);
2731                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2732                                                                                     "session names may not contain a '%1' character"), illegal));
2733                                 msg.run ();
2734                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2735                                 continue;
2736                         }
2737
2738                         _session_is_new = true;
2739                 }
2740
2741                 if (likely_new && template_name.empty()) {
2742
2743                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2744
2745                 } else {
2746
2747                         ret = load_session (session_path, session_name, template_name);
2748
2749                         if (ret == -2) {
2750                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2751                                 exit (1);
2752                         }
2753
2754                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2755                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2756                                 exit (1);
2757                         }
2758
2759                         /* clear this to avoid endless attempts to load the
2760                            same session.
2761                         */
2762
2763                         ARDOUR_COMMAND_LINE::session_name = "";
2764                 }
2765         }
2766
2767         return ret;
2768 }
2769
2770 void
2771 ARDOUR_UI::close_session()
2772 {
2773         if (!check_audioengine()) {
2774                 return;
2775         }
2776
2777         if (unload_session (true)) {
2778                 return;
2779         }
2780
2781         ARDOUR_COMMAND_LINE::session_name = "";
2782
2783         if (get_session_parameters (true, false)) {
2784                 exit (1);
2785         }
2786
2787         goto_editor_window ();
2788 }
2789
2790 /** @param snap_name Snapshot name (without .ardour suffix).
2791  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2792  */
2793 int
2794 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2795 {
2796         Session *new_session;
2797         int unload_status;
2798         int retval = -1;
2799
2800         if (_session) {
2801                 unload_status = unload_session ();
2802
2803                 if (unload_status < 0) {
2804                         goto out;
2805                 } else if (unload_status > 0) {
2806                         retval = 0;
2807                         goto out;
2808                 }
2809         }
2810
2811         session_loaded = false;
2812
2813         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2814
2815         try {
2816                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2817         }
2818
2819         /* this one is special */
2820
2821         catch (AudioEngine::PortRegistrationFailure& err) {
2822
2823                 MessageDialog msg (err.what(),
2824                                    true,
2825                                    Gtk::MESSAGE_INFO,
2826                                    Gtk::BUTTONS_CLOSE);
2827
2828                 msg.set_title (_("Port Registration Error"));
2829                 msg.set_secondary_text (_("Click the Close button to try again."));
2830                 msg.set_position (Gtk::WIN_POS_CENTER);
2831                 pop_back_splash (msg);
2832                 msg.present ();
2833
2834                 int response = msg.run ();
2835
2836                 msg.hide ();
2837
2838                 switch (response) {
2839                 case RESPONSE_CANCEL:
2840                         exit (1);
2841                 default:
2842                         break;
2843                 }
2844                 goto out;
2845         }
2846
2847         catch (...) {
2848
2849                 MessageDialog msg (string_compose(
2850                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2851                                            path, snap_name),
2852                                    true,
2853                                    Gtk::MESSAGE_INFO,
2854                                    BUTTONS_OK);
2855
2856                 msg.set_keep_above (true);
2857                 msg.set_title (_("Loading Error"));
2858                 msg.set_position (Gtk::WIN_POS_CENTER);
2859                 pop_back_splash (msg);
2860                 msg.present ();
2861                 (void) msg.run ();
2862                 msg.hide ();
2863
2864                 goto out;
2865         }
2866
2867         {
2868                 list<string> const u = new_session->unknown_processors ();
2869                 if (!u.empty()) {
2870                         MissingPluginDialog d (_session, u);
2871                         d.run ();
2872                 }
2873         }
2874
2875         if (!new_session->writable()) {
2876                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
2877                                    true,
2878                                    Gtk::MESSAGE_INFO,
2879                                    BUTTONS_OK);
2880
2881                 msg.set_keep_above (true);
2882                 msg.set_title (_("Read-only Session"));
2883                 msg.set_position (Gtk::WIN_POS_CENTER);
2884                 pop_back_splash (msg);
2885                 msg.present ();
2886                 (void) msg.run ();
2887                 msg.hide ();
2888         }
2889
2890
2891         /* Now the session been created, add the transport controls */
2892         new_session->add_controllable(roll_controllable);
2893         new_session->add_controllable(stop_controllable);
2894         new_session->add_controllable(goto_start_controllable);
2895         new_session->add_controllable(goto_end_controllable);
2896         new_session->add_controllable(auto_loop_controllable);
2897         new_session->add_controllable(play_selection_controllable);
2898         new_session->add_controllable(rec_controllable);
2899
2900         set_session (new_session);
2901
2902         session_loaded = true;
2903
2904         goto_editor_window ();
2905
2906         if (_session) {
2907                 _session->set_clean ();
2908         }
2909
2910         flush_pending ();
2911         retval = 0;
2912
2913   out:
2914         return retval;
2915 }
2916
2917 int
2918 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2919 {
2920         Session *new_session;
2921         int x;
2922
2923         session_loaded = false;
2924         x = unload_session ();
2925
2926         if (x < 0) {
2927                 return -1;
2928         } else if (x > 0) {
2929                 return 0;
2930         }
2931
2932         _session_is_new = true;
2933
2934         try {
2935                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
2936         }
2937
2938         catch (...) {
2939
2940                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2941                 pop_back_splash (msg);
2942                 msg.run ();
2943                 return -1;
2944         }
2945
2946         /* Give the new session the default GUI state, if such things exist */
2947
2948         XMLNode* n;
2949         n = Config->instant_xml (X_("Editor"));
2950         if (n) {
2951                 new_session->add_instant_xml (*n, false);
2952         }
2953         n = Config->instant_xml (X_("Mixer"));
2954         if (n) {
2955                 new_session->add_instant_xml (*n, false);
2956         }
2957
2958         /* Put the playhead at 0 and scroll fully left */
2959         n = new_session->instant_xml (X_("Editor"));
2960         if (n) {
2961                 n->add_property (X_("playhead"), X_("0"));
2962                 n->add_property (X_("left-frame"), X_("0"));
2963         }
2964
2965         set_session (new_session);
2966
2967         session_loaded = true;
2968
2969         new_session->save_state(new_session->name());
2970
2971         return 0;
2972 }
2973
2974 void
2975 ARDOUR_UI::launch_chat ()
2976 {
2977 #ifdef __APPLE__
2978         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2979 #else
2980         open_uri("http://webchat.freenode.net/?channels=ardour");
2981 #endif
2982 }
2983
2984 void
2985 ARDOUR_UI::launch_manual ()
2986 {
2987         PBD::open_uri (Config->get_tutorial_manual_url());
2988 }
2989
2990 void
2991 ARDOUR_UI::launch_reference ()
2992 {
2993         PBD::open_uri (Config->get_reference_manual_url());
2994 }
2995
2996 void
2997 ARDOUR_UI::loading_message (const std::string& msg)
2998 {
2999         if (ARDOUR_COMMAND_LINE::no_splash) {
3000                 return;
3001         }
3002
3003         if (!splash) {
3004                 show_splash ();
3005         }
3006
3007         splash->message (msg);
3008 }
3009
3010 void
3011 ARDOUR_UI::show_splash ()
3012 {
3013         if (splash == 0) {
3014                 try {
3015                         splash = new Splash;
3016                 } catch (...) {
3017                         return;
3018                 }
3019         }
3020
3021         splash->display ();
3022 }
3023
3024 void
3025 ARDOUR_UI::hide_splash ()
3026 {
3027         delete splash;
3028         splash = 0;
3029 }
3030
3031 void
3032 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3033 {
3034         size_t removed;
3035
3036         removed = rep.paths.size();
3037
3038         if (removed == 0) {
3039                 MessageDialog msgd (*editor,
3040                                     _("No files were ready for clean-up"),
3041                                     true,
3042                                     Gtk::MESSAGE_INFO,
3043                                     Gtk::BUTTONS_OK);
3044                 msgd.set_title (_("Clean-up"));
3045                 msgd.set_secondary_text (_("If this seems suprising, \n\
3046 check for any existing snapshots.\n\
3047 These may still include regions that\n\
3048 require some unused files to continue to exist."));
3049
3050                 msgd.run ();
3051                 return;
3052         }
3053
3054         ArdourDialog results (_("Clean-up"), true, false);
3055
3056         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3057             CleanupResultsModelColumns() {
3058                     add (visible_name);
3059                     add (fullpath);
3060             }
3061             Gtk::TreeModelColumn<std::string> visible_name;
3062             Gtk::TreeModelColumn<std::string> fullpath;
3063         };
3064
3065
3066         CleanupResultsModelColumns results_columns;
3067         Glib::RefPtr<Gtk::ListStore> results_model;
3068         Gtk::TreeView results_display;
3069
3070         results_model = ListStore::create (results_columns);
3071         results_display.set_model (results_model);
3072         results_display.append_column (list_title, results_columns.visible_name);
3073
3074         results_display.set_name ("CleanupResultsList");
3075         results_display.set_headers_visible (true);
3076         results_display.set_headers_clickable (false);
3077         results_display.set_reorderable (false);
3078
3079         Gtk::ScrolledWindow list_scroller;
3080         Gtk::Label txt;
3081         Gtk::VBox dvbox;
3082         Gtk::HBox dhbox;  // the hbox for the image and text
3083         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3084         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3085
3086         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3087
3088         const string dead_directory = _session->session_directory().dead_path();
3089
3090         /* subst:
3091            %1 - number of files removed
3092            %2 - location of "dead"
3093            %3 - size of files affected
3094            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3095         */
3096
3097         const char* bprefix;
3098         double space_adjusted = 0;
3099
3100         if (rep.space < 1000) {
3101                 bprefix = X_("");
3102                 space_adjusted = rep.space;
3103         } else if (rep.space < 1000000) {
3104                 bprefix = _("kilo");
3105                 space_adjusted = truncf((float)rep.space / 1000.0);
3106         } else if (rep.space < 1000000 * 1000) {
3107                 bprefix = _("mega");
3108                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3109         } else {
3110                 bprefix = _("giga");
3111                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3112         }
3113
3114         if (msg_delete) {
3115                 txt.set_markup (string_compose (P_("\
3116 The following file was deleted from %2,\n\
3117 releasing %3 %4bytes of disk space", "\
3118 The following %1 files were deleted from %2,\n\
3119 releasing %3 %4bytes of disk space", removed),
3120                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3121         } else {
3122                 txt.set_markup (string_compose (P_("\
3123 The following file was not in use and \n\
3124 has been moved to: %2\n\n\
3125 After a restart of %5\n\n\
3126 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3127 will release an additional %3 %4bytes of disk space.\n", "\
3128 The following %1 files were not in use and \n\
3129 have been moved to: %2\n\n\
3130 After a restart of %5\n\n\
3131 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3132 will release an additional %3 %4bytes of disk space.\n", removed),
3133                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3134         }
3135
3136         dhbox.pack_start (*dimage, true, false, 5);
3137         dhbox.pack_start (txt, true, false, 5);
3138
3139         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3140                 TreeModel::Row row = *(results_model->append());
3141                 row[results_columns.visible_name] = *i;
3142                 row[results_columns.fullpath] = *i;
3143         }
3144
3145         list_scroller.add (results_display);
3146         list_scroller.set_size_request (-1, 150);
3147         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3148
3149         dvbox.pack_start (dhbox, true, false, 5);
3150         dvbox.pack_start (list_scroller, true, false, 5);
3151         ddhbox.pack_start (dvbox, true, false, 5);
3152
3153         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3154         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3155         results.set_default_response (RESPONSE_CLOSE);
3156         results.set_position (Gtk::WIN_POS_MOUSE);
3157
3158         results_display.show();
3159         list_scroller.show();
3160         txt.show();
3161         dvbox.show();
3162         dhbox.show();
3163         ddhbox.show();
3164         dimage->show();
3165
3166         //results.get_vbox()->show();
3167         results.set_resizable (false);
3168
3169         results.run ();
3170
3171 }
3172
3173 void
3174 ARDOUR_UI::cleanup ()
3175 {
3176         if (_session == 0) {
3177                 /* shouldn't happen: menu item is insensitive */
3178                 return;
3179         }
3180
3181
3182         MessageDialog checker (_("Are you sure you want to clean-up?"),
3183                                 true,
3184                                 Gtk::MESSAGE_QUESTION,
3185                                 Gtk::BUTTONS_NONE);
3186
3187         checker.set_title (_("Clean-up"));
3188
3189         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3190 ALL undo/redo information will be lost if you clean-up.\n\
3191 Clean-up will move all unused files to a \"dead\" location."));
3192
3193         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3194         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3195         checker.set_default_response (RESPONSE_CANCEL);
3196
3197         checker.set_name (_("CleanupDialog"));
3198         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3199         checker.set_position (Gtk::WIN_POS_MOUSE);
3200
3201         switch (checker.run()) {
3202         case RESPONSE_ACCEPT:
3203                 break;
3204         default:
3205                 return;
3206         }
3207
3208         ARDOUR::CleanupReport rep;
3209
3210         editor->prepare_for_cleanup ();
3211
3212         /* do not allow flush until a session is reloaded */
3213
3214         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3215         if (act) {
3216                 act->set_sensitive (false);
3217         }
3218
3219         if (_session->cleanup_sources (rep)) {
3220                 editor->finish_cleanup ();
3221                 return;
3222         }
3223
3224         editor->finish_cleanup ();
3225
3226         checker.hide();
3227         display_cleanup_results (rep, _("Cleaned Files"), false);
3228 }
3229
3230 void
3231 ARDOUR_UI::flush_trash ()
3232 {
3233         if (_session == 0) {
3234                 /* shouldn't happen: menu item is insensitive */
3235                 return;
3236         }
3237
3238         ARDOUR::CleanupReport rep;
3239
3240         if (_session->cleanup_trash_sources (rep)) {
3241                 return;
3242         }
3243
3244         display_cleanup_results (rep, _("deleted file"), true);
3245 }
3246
3247 void
3248 ARDOUR_UI::setup_order_hint ()
3249 {
3250         uint32_t order_hint = 0;
3251
3252         /*
3253           we want the new routes to have their order keys set starting from
3254           the highest order key in the selection + 1 (if available).
3255         */
3256         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3257                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3258                         if ((*s)->route()->order_key() > order_hint) {
3259                                 order_hint = (*s)->route()->order_key();
3260                         }
3261                 }
3262
3263                 if (!mixer->selection().routes.empty()) {
3264                         order_hint++;
3265                 }
3266
3267         } else {
3268                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3269                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3270                         if (tav->route()->order_key() > order_hint) {
3271                                 order_hint = tav->route()->order_key();
3272                         }
3273                 }
3274
3275                 if (!editor->get_selection().tracks.empty()) {
3276                         order_hint++;
3277                 }
3278         }
3279
3280         _session->set_order_hint (order_hint);
3281
3282         /* create a gap in the existing route order keys to accomodate new routes.*/
3283
3284         boost::shared_ptr <RouteList> rd = _session->get_routes();
3285         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3286                 boost::shared_ptr<Route> rt (*ri);
3287
3288                 if (rt->is_monitor()) {
3289                         continue;
3290                 }
3291
3292                 if (rt->order_key () >= order_hint) {
3293                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3294                 }
3295         }
3296 }
3297
3298 void
3299 ARDOUR_UI::add_route (Gtk::Window* float_window)
3300 {
3301         int count;
3302
3303         if (!_session) {
3304                 return;
3305         }
3306
3307         if (add_route_dialog->is_visible()) {
3308                 /* we're already doing this */
3309                 return;
3310         }
3311
3312         if (float_window) {
3313                 add_route_dialog->unset_transient_for ();
3314                 add_route_dialog->set_transient_for (*float_window);
3315         }
3316
3317         ResponseType r = (ResponseType) add_route_dialog->run ();
3318
3319         add_route_dialog->hide();
3320
3321         switch (r) {
3322                 case RESPONSE_ACCEPT:
3323                         break;
3324                 default:
3325                         return;
3326                         break;
3327         }
3328
3329         if ((count = add_route_dialog->count()) <= 0) {
3330                 return;
3331         }
3332
3333         setup_order_hint();
3334
3335         PBD::ScopedConnection idle_connection;
3336
3337         if (count > 8) {
3338                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3339         }
3340
3341         string template_path = add_route_dialog->track_template();
3342
3343         if (!template_path.empty()) {
3344                 if (add_route_dialog->name_template_is_default())  {
3345                         _session->new_route_from_template (count, template_path, string());
3346                 } else {
3347                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3348                 }
3349                 return;
3350         }
3351
3352         ChanCount input_chan= add_route_dialog->channels ();
3353         ChanCount output_chan;
3354         string name_template = add_route_dialog->name_template ();
3355         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3356         RouteGroup* route_group = add_route_dialog->route_group ();
3357         AutoConnectOption oac = Config->get_output_auto_connect();
3358
3359         if (oac & AutoConnectMaster) {
3360                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3361                 output_chan.set (DataType::MIDI, 0);
3362         } else {
3363                 output_chan = input_chan;
3364         }
3365
3366         /* XXX do something with name template */
3367
3368         switch (add_route_dialog->type_wanted()) {
3369         case AddRouteDialog::AudioTrack:
3370                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3371                 break;
3372         case AddRouteDialog::MidiTrack:
3373                 session_add_midi_track (route_group, count, name_template, instrument);
3374                 break;
3375         case AddRouteDialog::MixedTrack:
3376                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3377                 break;
3378         case AddRouteDialog::AudioBus:
3379                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3380                 break;
3381         }
3382
3383         /* idle connection will end at scope end */
3384 }
3385
3386 void
3387 ARDOUR_UI::stop_video_server (bool ask_confirm)
3388 {
3389         if (!video_server_process && ask_confirm) {
3390                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3391         }
3392         if (video_server_process) {
3393                 if(ask_confirm) {
3394                         ArdourDialog confirm (_("Stop Video-Server"), true);
3395                         Label m (_("Do you really want to stop the Video Server?"));
3396                         confirm.get_vbox()->pack_start (m, true, true);
3397                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3398                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3399                         confirm.show_all ();
3400                         if (confirm.run() == RESPONSE_CANCEL) {
3401                                 return;
3402                         }
3403                 }
3404                 delete video_server_process;
3405                 video_server_process =0;
3406         }
3407 }
3408
3409 void
3410 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3411 {
3412   ARDOUR_UI::start_video_server( float_window, true);
3413 }
3414
3415 bool
3416 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3417 {
3418         if (!_session) {
3419                 return false;
3420         }
3421         if (popup_msg) {
3422                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3423                         if (video_server_process) {
3424                                 popup_error(_("The Video Server is already started."));
3425                         } else {
3426                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3427                         }
3428                 }
3429         }
3430
3431         int firsttime = 0;
3432         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3433                 if (firsttime++) {
3434                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3435                 }
3436                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3437                 if (float_window) {
3438                         video_server_dialog->set_transient_for (*float_window);
3439                 }
3440
3441                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3442                         video_server_dialog->hide();
3443                 } else {
3444                         ResponseType r = (ResponseType) video_server_dialog->run ();
3445                         video_server_dialog->hide();
3446                         if (r != RESPONSE_ACCEPT) { return false; }
3447                         if (video_server_dialog->show_again()) {
3448                                 Config->set_show_video_server_dialog(false);
3449                         }
3450                 }
3451
3452                 std::string icsd_exec = video_server_dialog->get_exec_path();
3453                 std::string icsd_docroot = video_server_dialog->get_docroot();
3454                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3455
3456                 struct stat sb;
3457                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3458                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3459                         continue;
3460                 }
3461                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3462                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3463                         warning << _("Given Video Server is not an executable file.") << endmsg;
3464                         continue;
3465                 }
3466
3467                 char **argp;
3468                 argp=(char**) calloc(9,sizeof(char*));
3469                 argp[0] = strdup(icsd_exec.c_str());
3470                 argp[1] = strdup("-P");
3471                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3472                 argp[3] = strdup("-p");
3473                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3474                 argp[5] = strdup("-C");
3475                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3476                 argp[7] = strdup(icsd_docroot.c_str());
3477                 argp[8] = 0;
3478                 stop_video_server();
3479
3480                 if (icsd_docroot == X_("/")) {
3481                         Config->set_video_advanced_setup(false);
3482                 } else {
3483                         std::ostringstream osstream;
3484                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3485                         Config->set_video_server_url(osstream.str());
3486                         Config->set_video_server_docroot(icsd_docroot);
3487                         Config->set_video_advanced_setup(true);
3488                 }
3489
3490                 if (video_server_process) {
3491                         delete video_server_process;
3492                 }
3493
3494                 video_server_process = new SystemExec(icsd_exec, argp);
3495                 if (video_server_process->start()) {
3496                         warning << _("Cannot launch the video-server") << endmsg;
3497                         continue;
3498                 }
3499                 int timeout = 120; // 6 sec
3500                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3501                         usleep (50000);
3502                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3503                 }
3504                 if (timeout <= 0) {
3505                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3506                 } else {
3507                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3508                                 delete video_server_process;
3509                                 video_server_process = 0;
3510                         }
3511                 }
3512         }
3513         return true;
3514 }
3515
3516 void
3517 ARDOUR_UI::add_video (Gtk::Window* float_window)
3518 {
3519         if (!_session) {
3520                 return;
3521         }
3522
3523         if (!start_video_server(float_window, false)) {
3524                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3525                 return;
3526         }
3527
3528         if (float_window) {
3529                 add_video_dialog->set_transient_for (*float_window);
3530         }
3531
3532         if (add_video_dialog->is_visible()) {
3533                 /* we're already doing this */
3534                 return;
3535         }
3536
3537         ResponseType r = (ResponseType) add_video_dialog->run ();
3538         add_video_dialog->hide();
3539         if (r != RESPONSE_ACCEPT) { return; }
3540
3541         bool local_file, orig_local_file;
3542         std::string path = add_video_dialog->file_name(local_file);
3543
3544         std::string orig_path = path;
3545         orig_local_file = local_file;
3546
3547         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3548
3549         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3550                 warning << string_compose(_("could not open %1"), path) << endmsg;
3551                 return;
3552         }
3553         if (!local_file && path.length() == 0) {
3554                 warning << _("no video-file selected") << endmsg;
3555                 return;
3556         }
3557
3558         switch (add_video_dialog->import_option()) {
3559                 case VTL_IMPORT_TRANSCODE:
3560                         {
3561                                 TranscodeVideoDialog *transcode_video_dialog;
3562                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3563                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3564                                 transcode_video_dialog->hide();
3565                                 if (r != RESPONSE_ACCEPT) {
3566                                         delete transcode_video_dialog;
3567                                         return;
3568                                 }
3569                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3570                                         editor->embed_audio_from_video(
3571                                                         transcode_video_dialog->get_audiofile(),
3572                                                         video_timeline->get_offset()
3573                                                         );
3574                                 }
3575                                 switch (transcode_video_dialog->import_option()) {
3576                                         case VTL_IMPORT_TRANSCODED:
3577                                                 path = transcode_video_dialog->get_filename();
3578                                                 local_file = true;
3579                                                 break;
3580                                         case VTL_IMPORT_REFERENCE:
3581                                                 break;
3582                                         default:
3583                                                 delete transcode_video_dialog;
3584                                                 return;
3585                                 }
3586                                 delete transcode_video_dialog;
3587                         }
3588                         break;
3589                 default:
3590                 case VTL_IMPORT_NONE:
3591                         break;
3592         }
3593
3594         /* strip _session->session_directory().video_path() from video file if possible */
3595         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3596                  path=path.substr(_session->session_directory().video_path().size());
3597                  if (path.at(0) == G_DIR_SEPARATOR) {
3598                          path=path.substr(1);
3599                  }
3600         }
3601
3602         video_timeline->set_update_session_fps(auto_set_session_fps);
3603         if (video_timeline->video_file_info(path, local_file)) {
3604                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3605                 node->add_property (X_("Filename"), path);
3606                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3607                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3608                 if (orig_local_file) {
3609                         node->add_property (X_("OriginalVideoFile"), orig_path);
3610                 } else {
3611                         node->remove_property (X_("OriginalVideoFile"));
3612                 }
3613                 _session->add_extra_xml (*node);
3614                 _session->set_dirty ();
3615
3616                 _session->maybe_update_session_range(
3617                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3618                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3619
3620
3621                 if (add_video_dialog->launch_xjadeo() && local_file) {
3622                         editor->set_xjadeo_sensitive(true);
3623                         editor->toggle_xjadeo_proc(1);
3624                 } else {
3625                         editor->toggle_xjadeo_proc(0);
3626                 }
3627                 editor->toggle_ruler_video(true);
3628         }
3629 }
3630
3631 void
3632 ARDOUR_UI::remove_video ()
3633 {
3634         video_timeline->close_session();
3635         editor->toggle_ruler_video(false);
3636
3637         /* reset state */
3638         video_timeline->set_offset_locked(false);
3639         video_timeline->set_offset(0);
3640
3641         /* delete session state */
3642         XMLNode* node = new XMLNode(X_("Videotimeline"));
3643         _session->add_extra_xml(*node);
3644         node = new XMLNode(X_("Videomonitor"));
3645         _session->add_extra_xml(*node);
3646         stop_video_server();
3647 }
3648
3649 void
3650 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3651 {
3652         if (localcacheonly) {
3653                 video_timeline->vmon_update();
3654         } else {
3655                 video_timeline->flush_cache();
3656         }
3657         editor->queue_visual_videotimeline_update();
3658 }
3659
3660 XMLNode*
3661 ARDOUR_UI::mixer_settings () const
3662 {
3663         XMLNode* node = 0;
3664
3665         if (_session) {
3666                 node = _session->instant_xml(X_("Mixer"));
3667         } else {
3668                 node = Config->instant_xml(X_("Mixer"));
3669         }
3670
3671         if (!node) {
3672                 node = new XMLNode (X_("Mixer"));
3673         }
3674
3675         return node;
3676 }
3677
3678 XMLNode*
3679 ARDOUR_UI::editor_settings () const
3680 {
3681         XMLNode* node = 0;
3682
3683         if (_session) {
3684                 node = _session->instant_xml(X_("Editor"));
3685         } else {
3686                 node = Config->instant_xml(X_("Editor"));
3687         }
3688
3689         if (!node) {
3690                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3691                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3692                 }
3693         }
3694
3695         if (!node) {
3696                 node = new XMLNode (X_("Editor"));
3697         }
3698
3699         return node;
3700 }
3701
3702 XMLNode*
3703 ARDOUR_UI::keyboard_settings () const
3704 {
3705         XMLNode* node = 0;
3706
3707         node = Config->extra_xml(X_("Keyboard"));
3708
3709         if (!node) {
3710                 node = new XMLNode (X_("Keyboard"));
3711         }
3712
3713         return node;
3714 }
3715
3716 void
3717 ARDOUR_UI::create_xrun_marker (framepos_t where)
3718 {
3719         editor->mouse_add_new_marker (where, false, true);
3720 }
3721
3722 void
3723 ARDOUR_UI::halt_on_xrun_message ()
3724 {
3725         MessageDialog msg (*editor,
3726                            _("Recording was stopped because your system could not keep up."));
3727         msg.run ();
3728 }
3729
3730 void
3731 ARDOUR_UI::xrun_handler (framepos_t where)
3732 {
3733         if (!_session) {
3734                 return;
3735         }
3736
3737         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3738
3739         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3740                 create_xrun_marker(where);
3741         }
3742
3743         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3744                 halt_on_xrun_message ();
3745         }
3746 }
3747
3748 void
3749 ARDOUR_UI::disk_overrun_handler ()
3750 {
3751         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3752
3753         if (!have_disk_speed_dialog_displayed) {
3754                 have_disk_speed_dialog_displayed = true;
3755                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3756 The disk system on your computer\n\
3757 was not able to keep up with %1.\n\
3758 \n\
3759 Specifically, it failed to write data to disk\n\
3760 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3761                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3762                 msg->show ();
3763         }
3764 }
3765
3766 void
3767 ARDOUR_UI::disk_underrun_handler ()
3768 {
3769         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3770
3771         if (!have_disk_speed_dialog_displayed) {
3772                 have_disk_speed_dialog_displayed = true;
3773                 MessageDialog* msg = new MessageDialog (
3774                         *editor, string_compose (_("The disk system on your computer\n\
3775 was not able to keep up with %1.\n\
3776 \n\
3777 Specifically, it failed to read data from disk\n\
3778 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3779                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3780                 msg->show ();
3781         }
3782 }
3783
3784 void
3785 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3786 {
3787         have_disk_speed_dialog_displayed = false;
3788         delete msg;
3789 }
3790
3791 void
3792 ARDOUR_UI::session_dialog (std::string msg)
3793 {
3794         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3795
3796         MessageDialog* d;
3797
3798         if (editor) {
3799                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3800         } else {
3801                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3802         }
3803
3804         d->show_all ();
3805         d->run ();
3806         delete d;
3807 }
3808
3809 int
3810 ARDOUR_UI::pending_state_dialog ()
3811 {
3812         HBox* hbox = manage (new HBox());
3813         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
3814         ArdourDialog dialog (_("Crash Recovery"), true);
3815         Label  message (string_compose (_("\
3816 This session appears to have been in the\n\
3817 middle of recording when %1 or\n\
3818 the computer was shutdown.\n\
3819 \n\
3820 %1 can recover any captured audio for\n\
3821 you, or it can ignore it. Please decide\n\
3822 what you would like to do.\n"), PROGRAM_NAME));
3823         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3824         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3825         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3826         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3827         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3828         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3829         dialog.set_default_response (RESPONSE_ACCEPT);
3830         dialog.set_position (WIN_POS_CENTER);
3831         message.show();
3832         image->show();
3833         hbox->show();
3834
3835         switch (dialog.run ()) {
3836         case RESPONSE_ACCEPT:
3837                 return 1;
3838         default:
3839                 return 0;
3840         }
3841 }
3842
3843 int
3844 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3845 {
3846         HBox* hbox = new HBox();
3847         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3848         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3849         Label  message (string_compose (_("\
3850 This session was created with a sample rate of %1 Hz, but\n\
3851 %2 is currently running at %3 Hz.  If you load this session,\n\
3852 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3853
3854         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3855         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3856         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3857         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3858         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3859         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3860         dialog.set_default_response (RESPONSE_ACCEPT);
3861         dialog.set_position (WIN_POS_CENTER);
3862         message.show();
3863         image->show();
3864         hbox->show();
3865
3866         switch (dialog.run()) {
3867         case RESPONSE_ACCEPT:
3868                 return 0;
3869         default:
3870                 break;
3871         }
3872
3873         return 1;
3874 }
3875
3876 int
3877 ARDOUR_UI::disconnect_from_engine ()
3878 {
3879         /* drop connection to AudioEngine::Halted so that we don't act
3880          *  as if the engine unexpectedly shut down
3881          */
3882
3883         halt_connection.disconnect ();
3884
3885         if (AudioEngine::instance()->stop ()) {
3886                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
3887                 msg.run ();
3888                 return -1;
3889         } else {
3890                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
3891         }
3892
3893         update_sample_rate (0);
3894         return 0;
3895 }
3896
3897 int
3898 ARDOUR_UI::reconnect_to_engine ()
3899 {
3900         if (AudioEngine::instance()->start ()) {
3901                 if (editor) {
3902                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
3903                         msg.run ();
3904                 } else {
3905                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
3906                         msg.run ();
3907                 }
3908                 return -1;
3909         }
3910
3911         update_sample_rate (0);
3912         return 0;
3913 }
3914
3915 void
3916 ARDOUR_UI::use_config ()
3917 {
3918         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3919         if (node) {
3920                 set_transport_controllable_state (*node);
3921         }
3922 }
3923
3924 void
3925 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3926 {
3927         if (Config->get_primary_clock_delta_edit_cursor()) {
3928                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3929         } else {
3930                 primary_clock->set (pos);
3931         }
3932
3933         if (Config->get_secondary_clock_delta_edit_cursor()) {
3934                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3935         } else {
3936                 secondary_clock->set (pos);
3937         }
3938
3939         if (big_clock_window) {
3940                 big_clock->set (pos);
3941         }
3942         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3943 }
3944
3945 void
3946 ARDOUR_UI::step_edit_status_change (bool yn)
3947 {
3948         // XXX should really store pre-step edit status of things
3949         // we make insensitive
3950
3951         if (yn) {
3952                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3953                 rec_button.set_sensitive (false);
3954         } else {
3955                 rec_button.unset_active_state ();;
3956                 rec_button.set_sensitive (true);
3957         }
3958 }
3959
3960 void
3961 ARDOUR_UI::record_state_changed ()
3962 {
3963         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3964
3965         if (!_session || !big_clock_window) {
3966                 /* why bother - the clock isn't visible */
3967                 return;
3968         }
3969
3970         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3971                 big_clock->set_active (true);
3972         } else {
3973                 big_clock->set_active (false);
3974         }
3975 }
3976
3977 bool
3978 ARDOUR_UI::first_idle ()
3979 {
3980         if (_session) {
3981                 _session->allow_auto_play (true);
3982         }
3983
3984         if (editor) {
3985                 editor->first_idle();
3986         }
3987
3988         Keyboard::set_can_save_keybindings (true);
3989         return false;
3990 }
3991
3992 void
3993 ARDOUR_UI::store_clock_modes ()
3994 {
3995         XMLNode* node = new XMLNode(X_("ClockModes"));
3996
3997         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3998                 XMLNode* child = new XMLNode (X_("Clock"));
3999
4000                 child->add_property (X_("name"), (*x)->name());
4001                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4002                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4003
4004                 node->add_child_nocopy (*child);
4005         }
4006
4007         _session->add_extra_xml (*node);
4008         _session->set_dirty ();
4009 }
4010
4011 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4012         : Controllable (name), ui (u), type(tp)
4013 {
4014
4015 }
4016
4017 void
4018 ARDOUR_UI::TransportControllable::set_value (double val)
4019 {
4020         if (val < 0.5) {
4021                 /* do nothing: these are radio-style actions */
4022                 return;
4023         }
4024
4025         const char *action = 0;
4026
4027         switch (type) {
4028         case Roll:
4029                 action = X_("Roll");
4030                 break;
4031         case Stop:
4032                 action = X_("Stop");
4033                 break;
4034         case GotoStart:
4035                 action = X_("GotoStart");
4036                 break;
4037         case GotoEnd:
4038                 action = X_("GotoEnd");
4039                 break;
4040         case AutoLoop:
4041                 action = X_("Loop");
4042                 break;
4043         case PlaySelection:
4044                 action = X_("PlaySelection");
4045                 break;
4046         case RecordEnable:
4047                 action = X_("Record");
4048                 break;
4049         default:
4050                 break;
4051         }
4052
4053         if (action == 0) {
4054                 return;
4055         }
4056
4057         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4058
4059         if (act) {
4060                 act->activate ();
4061         }
4062 }
4063
4064 double
4065 ARDOUR_UI::TransportControllable::get_value (void) const
4066 {
4067         float val = 0.0;
4068
4069         switch (type) {
4070         case Roll:
4071                 break;
4072         case Stop:
4073                 break;
4074         case GotoStart:
4075                 break;
4076         case GotoEnd:
4077                 break;
4078         case AutoLoop:
4079                 break;
4080         case PlaySelection:
4081                 break;
4082         case RecordEnable:
4083                 break;
4084         default:
4085                 break;
4086         }
4087
4088         return val;
4089 }
4090
4091 void
4092 ARDOUR_UI::setup_profile ()
4093 {
4094         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4095                 Profile->set_small_screen ();
4096         }
4097
4098         if (getenv ("ARDOUR_SAE")) {
4099                 Profile->set_sae ();
4100                 Profile->set_single_package ();
4101         }
4102 }
4103
4104 int
4105 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4106 {
4107         MissingFileDialog dialog (s, str, type);
4108
4109         dialog.show ();
4110         dialog.present ();
4111
4112         int result = dialog.run ();
4113         dialog.hide ();
4114
4115         switch (result) {
4116         case RESPONSE_OK:
4117                 break;
4118         default:
4119                 return 1; // quit entire session load
4120         }
4121
4122         result = dialog.get_action ();
4123
4124         return result;
4125 }
4126
4127 int
4128 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4129 {
4130         AmbiguousFileDialog dialog (file, hits);
4131
4132         dialog.show ();
4133         dialog.present ();
4134
4135         dialog.run ();
4136         return dialog.get_which ();
4137 }
4138
4139 /** Allocate our thread-local buffers */
4140 void
4141 ARDOUR_UI::get_process_buffers ()
4142 {
4143         _process_thread->get_buffers ();
4144 }
4145
4146 /** Drop our thread-local buffers */
4147 void
4148 ARDOUR_UI::drop_process_buffers ()
4149 {
4150         _process_thread->drop_buffers ();
4151 }
4152
4153 void
4154 ARDOUR_UI::feedback_detected ()
4155 {
4156         _feedback_exists = true;
4157 }
4158
4159 void
4160 ARDOUR_UI::successful_graph_sort ()
4161 {
4162         _feedback_exists = false;
4163 }
4164
4165 void
4166 ARDOUR_UI::midi_panic ()
4167 {
4168         if (_session) {
4169                 _session->midi_panic();
4170         }
4171 }
4172
4173 void
4174 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4175 {
4176         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4177         const char* end_big = "</span>";
4178         const char* start_mono = "<tt>";
4179         const char* end_mono = "</tt>";
4180
4181         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4182                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4183                                              "From now on, use the -2000 version with older versions of %3"),
4184                                            xml_path, backup_path, PROGRAM_NAME,
4185                                            start_big, end_big,
4186                                            start_mono, end_mono), true);
4187
4188         msg.run ();
4189 }
4190
4191
4192 void
4193 ARDOUR_UI::reset_peak_display ()
4194 {
4195         if (!_session || !_session->master_out() || !editor_meter) return;
4196         editor_meter->clear_meters();
4197         editor_meter_max_peak = -INFINITY;
4198         editor_meter_peak_display.set_name ("meterbridge peakindicator");
4199         editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
4200 }
4201
4202 void
4203 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4204 {
4205         if (!_session || !_session->master_out()) return;
4206         if (group == _session->master_out()->route_group()) {
4207                 reset_peak_display ();
4208         }
4209 }
4210
4211 void
4212 ARDOUR_UI::reset_route_peak_display (Route* route)
4213 {
4214         if (!_session || !_session->master_out()) return;
4215         if (_session->master_out().get() == route) {
4216                 reset_peak_display ();
4217         }
4218 }
4219
4220 int
4221 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4222 {
4223         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4224         audio_midi_setup->set_position (WIN_POS_CENTER);
4225
4226         switch (audio_midi_setup->run()) {
4227         case Gtk::RESPONSE_OK:
4228                 return 0;
4229         case Gtk::RESPONSE_APPLY:
4230                 return 0;
4231         default:
4232                 return -1;
4233         }
4234 }
4235
4236