gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #ifndef PLATFORM_WINDOWS
  31 #include <sys/resource.h>
  32 #endif
  33
  34 #include <stdint.h>
  35 #include <fcntl.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38 #include <time.h>
  39
  40 #include <glib.h>
  41 #include <glib/gstdio.h>
  42
  43 #include <gtkmm/messagedialog.h>
  44 #include <gtkmm/accelmap.h>
  45
  46 #include "pbd/error.h"
  47 #include "pbd/basename.h"
  48 #include "pbd/compose.h"
  49 #include "pbd/failed_constructor.h"
  50 #include "pbd/enumwriter.h"
  51 #include "pbd/memento_command.h"
  52 #include "pbd/openuri.h"
  53 #include "pbd/stl_delete.h"
  54 #include "pbd/file_utils.h"
  55 #include "pbd/localtime_r.h"
  56 #include "pbd/pthread_utils.h"
  57
  58 #include "gtkmm2ext/application.h"
  59 #include "gtkmm2ext/bindings.h"
  60 #include "gtkmm2ext/gtk_ui.h"
  61 #include "gtkmm2ext/utils.h"
  62 #include "gtkmm2ext/click_box.h"
  63 #include "gtkmm2ext/fastmeter.h"
  64 #include "gtkmm2ext/popup.h"
  65 #include "gtkmm2ext/window_title.h"
  66
  67 #include "ardour/ardour.h"
  68 #include "ardour/audio_backend.h"
  69 #include "ardour/audioengine.h"
  70 #include "ardour/audiofilesource.h"
  71 #include "ardour/automation_watch.h"
  72 #include "ardour/diskstream.h"
  73 #include "ardour/filename_extensions.h"
  74 #include "ardour/filesystem_paths.h"
  75 #include "ardour/port.h"
  76 #include "ardour/plugin_manager.h"
  77 #include "ardour/process_thread.h"
  78 #include "ardour/profile.h"
  79 #include "ardour/recent_sessions.h"
  80 #include "ardour/session_directory.h"
  81 #include "ardour/session_route.h"
  82 #include "ardour/session_state_utils.h"
  83 #include "ardour/session_utils.h"
  84 #include "ardour/slave.h"
  85 #include "ardour/system_exec.h"
  86
  87 #ifdef WINDOWS_VST_SUPPORT
  88 #include <fst.h>
  89 #endif
  90
  91 #include "timecode/time.h"
  92
  93 typedef uint64_t microseconds_t;
  94
  95 #include "about.h"
  96 #include "actions.h"
  97 #include "add_route_dialog.h"
  98 #include "ambiguous_file_dialog.h"
  99 #include "ardour_ui.h"
 100 #include "audio_clock.h"
 101 #include "big_clock_window.h"
 102 #include "bundle_manager.h"
 103 #include "engine_dialog.h"
 104 #include "gain_meter.h"
 105 #include "global_port_matrix.h"
 106 #include "gui_object.h"
 107 #include "gui_thread.h"
 108 #include "keyboard.h"
 109 #include "keyeditor.h"
 110 #include "location_ui.h"
 111 #include "main_clock.h"
 112 #include "missing_file_dialog.h"
 113 #include "missing_plugin_dialog.h"
 114 #include "mixer_ui.h"
 115 #include "mouse_cursors.h"
 116 #include "nsm.h"
 117 #include "opts.h"
 118 #include "pingback.h"
 119 #include "processor_box.h"
 120 #include "prompter.h"
 121 #include "public_editor.h"
 122 #include "rc_option_editor.h"
 123 #include "route_time_axis.h"
 124 #include "route_params_ui.h"
 125 #include "session_dialog.h"
 126 #include "session_metadata_dialog.h"
 127 #include "session_option_editor.h"
 128 #include "shuttle_control.h"
 129 #include "speaker_dialog.h"
 130 #include "splash.h"
 131 #include "startup.h"
 132 #include "theme_manager.h"
 133 #include "time_axis_view_item.h"
 134 #include "utils.h"
 135 #include "video_server_dialog.h"
 136 #include "add_video_dialog.h"
 137 #include "transcode_video_dialog.h"
 138
 139 #include "i18n.h"
 140
 141 using namespace ARDOUR;
 142 using namespace ARDOUR_UI_UTILS;
 143 using namespace PBD;
 144 using namespace Gtkmm2ext;
 145 using namespace Gtk;
 146 using namespace std;
 147
 148 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 149 UIConfiguration *ARDOUR_UI::ui_config = 0;
 150
 151 sigc::signal<void,bool> ARDOUR_UI::Blink;
 152 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 153 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 154 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 155 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 156
 157 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 158
 159         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 160
 161         , gui_object_state (new GUIObjectState)
 162
 163         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 164         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 165
 166           /* big clock */
 167
 168         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 169         , video_timeline(0)
 170
 171           /* start of private members */
 172
 173         , nsm (0)
 174         , _was_dirty (false)
 175         , _mixer_on_top (false)
 176         , first_time_engine_run (true)
 177         , blink_timeout_tag (-1)
 178
 179           /* transport */
 180
 181         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 182         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 183         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 184         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 185         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 186         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 187         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 188
 189         , auto_return_button (ArdourButton::led_default_elements)
 190         , follow_edits_button (ArdourButton::led_default_elements)
 191         , auto_input_button (ArdourButton::led_default_elements)
 192
 193         , auditioning_alert_button (_("Audition"))
 194         , solo_alert_button (_("Solo"))
 195         , feedback_alert_button (_("Feedback"))
 196
 197         , editor_meter(0)
 198         , editor_meter_peak_display()
 199
 200         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 201         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 202         , key_editor (X_("key-editor"), _("Key Bindings"))
 203         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 204         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 205         , about (X_("about"), _("About"))
 206         , location_ui (X_("locations"), _("Locations"))
 207         , route_params (X_("inspector"), _("Tracks and Busses"))
 208         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 209         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 210         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 211         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 212         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 213         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 214         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 215
 216         , error_log_button (_("Errors"))
 217
 218         , _status_bar_visibility (X_("status-bar"))
 219         , _feedback_exists (false)
 220 {
 221         Gtkmm2ext::init(localedir);
 222
 223         splash = 0;
 224
 225         _numpad_locate_happening = false;
 226
 227         if (theArdourUI == 0) {
 228                 theArdourUI = this;
 229         }
 230
 231         ui_config = new UIConfiguration();
 232
 233         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 234         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 235         ui_config->map_parameters (pc);
 236
 237         editor = 0;
 238         mixer = 0;
 239         meterbridge = 0;
 240         editor = 0;
 241         _session_is_new = false;
 242         session_selector_window = 0;
 243         last_key_press_time = 0;
 244         video_server_process = 0;
 245         open_session_selector = 0;
 246         have_configure_timeout = false;
 247         have_disk_speed_dialog_displayed = false;
 248         session_loaded = false;
 249         ignore_dual_punch = false;
 250
 251         roll_button.set_controllable (roll_controllable);
 252         stop_button.set_controllable (stop_controllable);
 253         goto_start_button.set_controllable (goto_start_controllable);
 254         goto_end_button.set_controllable (goto_end_controllable);
 255         auto_loop_button.set_controllable (auto_loop_controllable);
 256         play_selection_button.set_controllable (play_selection_controllable);
 257         rec_button.set_controllable (rec_controllable);
 258
 259         roll_button.set_name ("transport button");
 260         stop_button.set_name ("transport button");
 261         goto_start_button.set_name ("transport button");
 262         goto_end_button.set_name ("transport button");
 263         auto_loop_button.set_name ("transport button");
 264         play_selection_button.set_name ("transport button");
 265         rec_button.set_name ("transport recenable button");
 266         midi_panic_button.set_name ("transport button");
 267
 268         last_configure_time= 0;
 269         last_peak_grab = 0;
 270
 271         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 272         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 273
 274         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 275
 276         /* handle dialog requests */
 277
 278         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 279
 280         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 281
 282         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 283
 284         /* handle Audio/MIDI setup when session requires it */
 285
 286         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 287
 288         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 289
 290         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 291
 292         /* handle requests to quit (coming from JACK session) */
 293
 294         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 295
 296         /* tell the user about feedback */
 297
 298         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 299         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 300
 301         /* handle requests to deal with missing files */
 302
 303         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 304
 305         /* and ambiguous files */
 306
 307         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 308
 309         /* also plugin scan messages */
 310         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 311         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 312
 313         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 314
 315         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 316         set_flat_buttons();
 317
 318         /* lets get this party started */
 319
 320         setup_gtk_ardour_enums ();
 321         setup_profile ();
 322
 323         SessionEvent::create_per_thread_pool ("GUI", 512);
 324
 325         /* we like keyboards */
 326
 327         keyboard = new ArdourKeyboard(*this);
 328
 329         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 330         if (node) {
 331                 keyboard->set_state (*node, Stateful::loading_state_version);
 332         }
 333
 334         /* we don't like certain modifiers */
 335         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 336
 337         reset_dpi();
 338
 339         TimeAxisViewItem::set_constant_heights ();
 340
 341         /* Set this up so that our window proxies can register actions */
 342
 343         ActionManager::init ();
 344
 345         /* The following must happen after ARDOUR::init() so that Config is set up */
 346
 347         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 348
 349         if (ui_xml) {
 350                 theme_manager.set_state (*ui_xml);
 351                 key_editor.set_state (*ui_xml);
 352                 rc_option_editor.set_state (*ui_xml);
 353                 session_option_editor.set_state (*ui_xml);
 354                 speaker_config_window.set_state (*ui_xml);
 355                 about.set_state (*ui_xml);
 356                 add_route_dialog.set_state (*ui_xml);
 357                 add_video_dialog.set_state (*ui_xml);
 358                 route_params.set_state (*ui_xml);
 359                 bundle_manager.set_state (*ui_xml);
 360                 location_ui.set_state (*ui_xml);
 361                 big_clock_window.set_state (*ui_xml);
 362                 audio_port_matrix.set_state (*ui_xml);
 363                 midi_port_matrix.set_state (*ui_xml);
 364         }
 365
 366         WM::Manager::instance().register_window (&theme_manager);
 367         WM::Manager::instance().register_window (&key_editor);
 368         WM::Manager::instance().register_window (&rc_option_editor);
 369         WM::Manager::instance().register_window (&session_option_editor);
 370         WM::Manager::instance().register_window (&speaker_config_window);
 371         WM::Manager::instance().register_window (&about);
 372         WM::Manager::instance().register_window (&add_route_dialog);
 373         WM::Manager::instance().register_window (&add_video_dialog);
 374         WM::Manager::instance().register_window (&route_params);
 375         WM::Manager::instance().register_window (&audio_midi_setup);
 376         WM::Manager::instance().register_window (&bundle_manager);
 377         WM::Manager::instance().register_window (&location_ui);
 378         WM::Manager::instance().register_window (&big_clock_window);
 379         WM::Manager::instance().register_window (&audio_port_matrix);
 380         WM::Manager::instance().register_window (&midi_port_matrix);
 381
 382         /* We need to instantiate the theme manager because it loads our
 383            theme files. This should really change so that its window
 384            and its functionality are separate
 385         */
 386
 387         (void) theme_manager.get (true);
 388
 389         _process_thread = new ProcessThread ();
 390         _process_thread->init ();
 391
 392         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 393
 394         attach_to_engine ();
 395 }
 396
 397 GlobalPortMatrixWindow*
 398 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 399 {
 400         if (!_session) {
 401                 return 0;
 402         }
 403         return new GlobalPortMatrixWindow (_session, type);
 404 }
 405
 406 void
 407 ARDOUR_UI::attach_to_engine ()
 408 {
 409         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 410         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 411 }
 412
 413 void
 414 ARDOUR_UI::engine_stopped ()
 415 {
 416         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 417         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 418         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 419 }
 420
 421 void
 422 ARDOUR_UI::engine_running ()
 423 {
 424         if (first_time_engine_run) {
 425                 post_engine();
 426                 first_time_engine_run = false;
 427         }
 428
 429         update_disk_space ();
 430         update_cpu_load ();
 431         update_sample_rate (AudioEngine::instance()->sample_rate());
 432         update_timecode_format ();
 433 }
 434
 435 void
 436 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 437 {
 438         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 439                 /* we can't rely on the original string continuing to exist when we are called
 440                    again in the GUI thread, so make a copy and note that we need to
 441                    free it later.
 442                 */
 443                 char *copy = strdup (reason);
 444                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 445                 return;
 446         }
 447
 448         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 449         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 450
 451         update_sample_rate (0);
 452
 453         string msgstr;
 454
 455         /* if the reason is a non-empty string, it means that the backend was shutdown
 456            rather than just Ardour.
 457         */
 458
 459         if (strlen (reason)) {
 460                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 461         } else {
 462                 msgstr = string_compose (_("\
 463 The audio backend has either been shutdown or it\n\
 464 disconnected %1 because %1\n\
 465 was not fast enough. Try to restart\n\
 466 the audio backend and save the session."), PROGRAM_NAME);
 467         }
 468
 469         MessageDialog msg (*editor, msgstr);
 470         pop_back_splash (msg);
 471         msg.set_keep_above (true);
 472         msg.run ();
 473
 474         if (free_reason) {
 475                 free (const_cast<char*> (reason));
 476         }
 477 }
 478
 479 void
 480 ARDOUR_UI::post_engine ()
 481 {
 482         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 483          */
 484
 485         ARDOUR::init_post_engine ();
 486
 487         /* connect to important signals */
 488
 489         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 490         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 491         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 492
 493         _tooltips.enable();
 494
 495         if (setup_windows ()) {
 496                 throw failed_constructor ();
 497         }
 498
 499         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 500         XMLNode* n = Config->extra_xml (X_("UI"));
 501         if (n) {
 502                 _status_bar_visibility.set_state (*n);
 503         }
 504
 505         check_memory_locking();
 506
 507         /* this is the first point at which all the keybindings are available */
 508
 509         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 510                 vector<string> names;
 511                 vector<string> paths;
 512                 vector<string> tooltips;
 513                 vector<string> keys;
 514                 vector<AccelKey> bindings;
 515
 516                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 517
 518                 vector<string>::iterator n;
 519                 vector<string>::iterator k;
 520                 vector<string>::iterator p;
 521                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 522                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 523                 }
 524
 525                 halt_connection.disconnect ();
 526                 AudioEngine::instance()->stop ();
 527                 exit (0);
 528         }
 529
 530         blink_timeout_tag = -1;
 531
 532         /* this being a GUI and all, we want peakfiles */
 533
 534         AudioFileSource::set_build_peakfiles (true);
 535         AudioFileSource::set_build_missing_peakfiles (true);
 536
 537         /* set default clock modes */
 538
 539         if (Profile->get_sae()) {
 540                 primary_clock->set_mode (AudioClock::BBT);
 541                 secondary_clock->set_mode (AudioClock::MinSec);
 542         }  else {
 543                 primary_clock->set_mode (AudioClock::Timecode);
 544                 secondary_clock->set_mode (AudioClock::BBT);
 545         }
 546
 547         /* start the time-of-day-clock */
 548
 549 #ifndef GTKOSX
 550         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 551         update_wall_clock ();
 552         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 553 #endif
 554
 555         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 556         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 557         Config->map_parameters (pc);
 558 }
 559
 560 ARDOUR_UI::~ARDOUR_UI ()
 561 {
 562         if (ui_config->dirty()) {
 563                 ui_config->save_state();
 564         }
 565
 566         stop_video_server();
 567 }
 568
 569 void
 570 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 571 {
 572         if (Splash::instance()) {
 573                 Splash::instance()->pop_back_for (win);
 574         }
 575 }
 576
 577 gint
 578 ARDOUR_UI::configure_timeout ()
 579 {
 580         if (last_configure_time == 0) {
 581                 /* no configure events yet */
 582                 return true;
 583         }
 584
 585         /* force a gap of 0.5 seconds since the last configure event
 586          */
 587
 588         if (get_microseconds() - last_configure_time < 500000) {
 589                 return true;
 590         } else {
 591                 have_configure_timeout = false;
 592                 save_ardour_state ();
 593                 return false;
 594         }
 595 }
 596
 597 gboolean
 598 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 599 {
 600         if (have_configure_timeout) {
 601                 last_configure_time = get_microseconds();
 602         } else {
 603                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 604                 have_configure_timeout = true;
 605         }
 606
 607         return FALSE;
 608 }
 609
 610 void
 611 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 612 {
 613         const XMLProperty* prop;
 614
 615         if ((prop = node.property ("roll")) != 0) {
 616                 roll_controllable->set_id (prop->value());
 617         }
 618         if ((prop = node.property ("stop")) != 0) {
 619                 stop_controllable->set_id (prop->value());
 620         }
 621         if ((prop = node.property ("goto-start")) != 0) {
 622                 goto_start_controllable->set_id (prop->value());
 623         }
 624         if ((prop = node.property ("goto-end")) != 0) {
 625                 goto_end_controllable->set_id (prop->value());
 626         }
 627         if ((prop = node.property ("auto-loop")) != 0) {
 628                 auto_loop_controllable->set_id (prop->value());
 629         }
 630         if ((prop = node.property ("play-selection")) != 0) {
 631                 play_selection_controllable->set_id (prop->value());
 632         }
 633         if ((prop = node.property ("rec")) != 0) {
 634                 rec_controllable->set_id (prop->value());
 635         }
 636         if ((prop = node.property ("shuttle")) != 0) {
 637                 shuttle_box->controllable()->set_id (prop->value());
 638         }
 639 }
 640
 641 XMLNode&
 642 ARDOUR_UI::get_transport_controllable_state ()
 643 {
 644         XMLNode* node = new XMLNode(X_("TransportControllables"));
 645         char buf[64];
 646
 647         roll_controllable->id().print (buf, sizeof (buf));
 648         node->add_property (X_("roll"), buf);
 649         stop_controllable->id().print (buf, sizeof (buf));
 650         node->add_property (X_("stop"), buf);
 651         goto_start_controllable->id().print (buf, sizeof (buf));
 652         node->add_property (X_("goto_start"), buf);
 653         goto_end_controllable->id().print (buf, sizeof (buf));
 654         node->add_property (X_("goto_end"), buf);
 655         auto_loop_controllable->id().print (buf, sizeof (buf));
 656         node->add_property (X_("auto_loop"), buf);
 657         play_selection_controllable->id().print (buf, sizeof (buf));
 658         node->add_property (X_("play_selection"), buf);
 659         rec_controllable->id().print (buf, sizeof (buf));
 660         node->add_property (X_("rec"), buf);
 661         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 662         node->add_property (X_("shuttle"), buf);
 663
 664         return *node;
 665 }
 666
 667
 668 gint
 669 ARDOUR_UI::autosave_session ()
 670 {
 671         if (g_main_depth() > 1) {
 672                 /* inside a recursive main loop,
 673                    give up because we may not be able to
 674                    take a lock.
 675                 */
 676                 return 1;
 677         }
 678
 679         if (!Config->get_periodic_safety_backups()) {
 680                 return 1;
 681         }
 682
 683         if (_session) {
 684                 _session->maybe_write_autosave();
 685         }
 686
 687         return 1;
 688 }
 689
 690 void
 691 ARDOUR_UI::update_autosave ()
 692 {
 693         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 694
 695         if (_session && _session->dirty()) {
 696                 if (_autosave_connection.connected()) {
 697                         _autosave_connection.disconnect();
 698                 }
 699
 700                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 701                                 Config->get_periodic_safety_backup_interval() * 1000);
 702
 703         } else {
 704                 if (_autosave_connection.connected()) {
 705                         _autosave_connection.disconnect();
 706                 }
 707         }
 708 }
 709
 710 void
 711 ARDOUR_UI::check_announcements ()
 712 {
 713 #ifdef PHONE_HOME
 714         string _annc_filename;
 715
 716 #ifdef __APPLE__
 717         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 718 #else
 719         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 720 #endif
 721         _annc_filename.append (VERSIONSTRING);
 722
 723         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 724         std::ifstream announce_file (path.c_str());
 725         if ( announce_file.fail() )
 726                 _announce_string = "";
 727         else {
 728                 std::stringstream oss;
 729                 oss << announce_file.rdbuf();
 730                 _announce_string = oss.str();
 731         }
 732
 733         pingback (VERSIONSTRING, path);
 734 #endif
 735 }
 736
 737 int
 738 ARDOUR_UI::starting ()
 739 {
 740         Application* app = Application::instance ();
 741         const char *nsm_url;
 742         bool brand_new_user = ArdourStartup::required ();
 743
 744         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 745         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 746
 747         if (ARDOUR_COMMAND_LINE::check_announcements) {
 748                 check_announcements ();
 749         }
 750
 751         app->ready ();
 752
 753         /* we need to create this early because it may need to set the
 754          *  audio backend end up.
 755          */
 756
 757         try {
 758                 audio_midi_setup.get (true);
 759         } catch (...) {
 760                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 761                 return -1;
 762         }
 763
 764         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 765                 nsm = new NSM_Client;
 766                 if (!nsm->init (nsm_url)) {
 767                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 768
 769                         unsigned int i = 0;
 770                         // wait for announce reply from nsm server
 771                         for ( i = 0; i < 5000; ++i) {
 772                                 nsm->check ();
 773
 774                                 Glib::usleep (i);
 775                                 if (nsm->is_active()) {
 776                                         break;
 777                                 }
 778                         }
 779                         if (i == 5000) {
 780                                 error << _("NSM server did not announce itself") << endmsg;
 781                                 return -1;
 782                         }
 783                         // wait for open command from nsm server
 784                         for ( i = 0; i < 5000; ++i) {
 785                                 nsm->check ();
 786                                 Glib::usleep (1000);
 787                                 if (nsm->client_id ()) {
 788                                         break;
 789                                 }
 790                         }
 791
 792                         if (i == 5000) {
 793                                 error << _("NSM: no client ID provided") << endmsg;
 794                                 return -1;
 795                         }
 796
 797                         if (_session && nsm) {
 798                                 _session->set_nsm_state( nsm->is_active() );
 799                         } else {
 800                                 error << _("NSM: no session created") << endmsg;
 801                                 return -1;
 802                         }
 803
 804                         // nsm requires these actions disabled
 805                         vector<string> action_names;
 806                         action_names.push_back("SaveAs");
 807                         action_names.push_back("Rename");
 808                         action_names.push_back("New");
 809                         action_names.push_back("Open");
 810                         action_names.push_back("Recent");
 811                         action_names.push_back("Close");
 812
 813                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 814                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 815                                 if (act) {
 816                                         act->set_sensitive (false);
 817                                 }
 818                         }
 819
 820                 } else {
 821                         delete nsm;
 822                         nsm = 0;
 823                         error << _("NSM: initialization failed") << endmsg;
 824                         return -1;
 825                 }
 826
 827         } else  {
 828
 829                 if (brand_new_user) {
 830                         ArdourStartup s;
 831                         s.present ();
 832                         main().run();
 833                         s.hide ();
 834                         switch (s.response ()) {
 835                         case Gtk::RESPONSE_OK:
 836                                 break;
 837                         default:
 838                                 return -1;
 839                         }
 840                 }
 841
 842                 /* go get a session */
 843
 844                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 845
 846                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 847                         std::cerr << "Cannot get session parameters."<< std::endl;
 848                         return -1;
 849                 }
 850         }
 851
 852         use_config ();
 853
 854         goto_editor_window ();
 855
 856         WM::Manager::instance().show_visible ();
 857
 858         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 859          * editor window, and we may want stuff to be hidden.
 860          */
 861         _status_bar_visibility.update ();
 862
 863         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 864         return 0;
 865 }
 866
 867 void
 868 ARDOUR_UI::check_memory_locking ()
 869 {
 870 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
 871         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 872         return;
 873 #else // !__APPLE__
 874
 875         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 876
 877         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 878
 879                 struct rlimit limits;
 880                 int64_t ram;
 881                 long pages, page_size;
 882 #ifdef __FreeBSD__
 883                 size_t pages_len=sizeof(pages);
 884                 if ((page_size = getpagesize()) < 0 ||
 885                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 886 #else
 887                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 888 #endif
 889                 {
 890                         ram = 0;
 891                 } else {
 892                         ram = (int64_t) pages * (int64_t) page_size;
 893                 }
 894
 895                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 896                         return;
 897                 }
 898
 899                 if (limits.rlim_cur != RLIM_INFINITY) {
 900
 901                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 902
 903                                 MessageDialog msg (
 904                                         string_compose (
 905                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 906                                                   "This might cause %1 to run out of memory before your system "
 907                                                   "runs out of memory. \n\n"
 908                                                   "You can view the memory limit with 'ulimit -l', "
 909                                                   "and it is normally controlled by %2"),
 910                                                 PROGRAM_NAME,
 911 #ifdef __FreeBSD__
 912                                                 X_("/etc/login.conf")
 913 #else
 914                                                 X_(" /etc/security/limits.conf")
 915 #endif
 916                                         ).c_str());
 917
 918                                 msg.set_default_response (RESPONSE_OK);
 919
 920                                 VBox* vbox = msg.get_vbox();
 921                                 HBox hbox;
 922                                 CheckButton cb (_("Do not show this window again"));
 923                                 hbox.pack_start (cb, true, false);
 924                                 vbox->pack_start (hbox);
 925                                 cb.show();
 926                                 vbox->show();
 927                                 hbox.show ();
 928
 929                                 pop_back_splash (msg);
 930
 931                                 editor->ensure_float (msg);
 932                                 msg.run ();
 933
 934                                 if (cb.get_active()) {
 935                                         XMLNode node (X_("no-memory-warning"));
 936                                         Config->add_instant_xml (node);
 937                                 }
 938                         }
 939                 }
 940         }
 941 #endif // !__APPLE__
 942 }
 943
 944
 945 void
 946 ARDOUR_UI::queue_finish ()
 947 {
 948         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 949 }
 950
 951 bool
 952 ARDOUR_UI::idle_finish ()
 953 {
 954         finish ();
 955         return false; /* do not call again */
 956 }
 957
 958 void
 959 ARDOUR_UI::finish()
 960 {
 961         if (_session) {
 962                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 963
 964                 if (_session->dirty()) {
 965                         vector<string> actions;
 966                         actions.push_back (_("Don't quit"));
 967                         actions.push_back (_("Just quit"));
 968                         actions.push_back (_("Save and quit"));
 969                         switch (ask_about_saving_session(actions)) {
 970                         case -1:
 971                                 return;
 972                                 break;
 973                         case 1:
 974                                 /* use the default name */
 975                                 if (save_state_canfail ("")) {
 976                                         /* failed - don't quit */
 977                                         MessageDialog msg (*editor,
 978                                                            string_compose (_("\
 979 %1 was unable to save your session.\n\n\
 980 If you still wish to quit, please use the\n\n\
 981 \"Just quit\" option."), PROGRAM_NAME));
 982                                         pop_back_splash(msg);
 983                                         msg.run ();
 984                                         return;
 985                                 }
 986                                 break;
 987                         case 0:
 988                                 break;
 989                         }
 990                 }
 991
 992                 second_connection.disconnect ();
 993                 point_one_second_connection.disconnect ();
 994                 point_zero_something_second_connection.disconnect();
 995         }
 996
 997         delete ARDOUR_UI::instance()->video_timeline;
 998         ARDOUR_UI::instance()->video_timeline = NULL;
 999         stop_video_server();
1000
1001         /* Save state before deleting the session, as that causes some
1002            windows to be destroyed before their visible state can be
1003            saved.
1004         */
1005         save_ardour_state ();
1006
1007         close_all_dialogs ();
1008
1009         if (_session) {
1010                 // _session->set_deletion_in_progress ();
1011                 _session->set_clean ();
1012                 _session->remove_pending_capture_state ();
1013                 delete _session;
1014                 _session = 0;
1015         }
1016
1017         halt_connection.disconnect ();
1018         AudioEngine::instance()->stop ();
1019 #ifdef WINDOWS_VST_SUPPORT
1020         fst_stop_threading();
1021 #endif
1022         quit ();
1023 }
1024
1025 int
1026 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1027 {
1028         ArdourDialog window (_("Unsaved Session"));
1029         Gtk::HBox dhbox;  // the hbox for the image and text
1030         Gtk::Label  prompt_label;
1031         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1032
1033         string msg;
1034
1035         assert (actions.size() >= 3);
1036
1037         window.add_button (actions[0], RESPONSE_REJECT);
1038         window.add_button (actions[1], RESPONSE_APPLY);
1039         window.add_button (actions[2], RESPONSE_ACCEPT);
1040
1041         window.set_default_response (RESPONSE_ACCEPT);
1042
1043         Gtk::Button noquit_button (msg);
1044         noquit_button.set_name ("EditorGTKButton");
1045
1046         string prompt;
1047
1048         if (_session->snap_name() == _session->name()) {
1049                 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?"),
1050                                         _session->snap_name());
1051         } else {
1052                 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?"),
1053                                         _session->snap_name());
1054         }
1055
1056         prompt_label.set_text (prompt);
1057         prompt_label.set_name (X_("PrompterLabel"));
1058         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1059
1060         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1061         dhbox.set_homogeneous (false);
1062         dhbox.pack_start (*dimage, false, false, 5);
1063         dhbox.pack_start (prompt_label, true, false, 5);
1064         window.get_vbox()->pack_start (dhbox);
1065
1066         window.set_name (_("Prompter"));
1067         window.set_modal (true);
1068         window.set_resizable (false);
1069
1070         dhbox.show();
1071         prompt_label.show();
1072         dimage->show();
1073         window.show();
1074         window.set_keep_above (true);
1075         window.present ();
1076
1077         ResponseType r = (ResponseType) window.run();
1078
1079         window.hide ();
1080
1081         switch (r) {
1082         case RESPONSE_ACCEPT: // save and get out of here
1083                 return 1;
1084         case RESPONSE_APPLY:  // get out of here
1085                 return 0;
1086         default:
1087                 break;
1088         }
1089
1090         return -1;
1091 }
1092
1093
1094 gint
1095 ARDOUR_UI::every_second ()
1096 {
1097         update_cpu_load ();
1098         update_buffer_load ();
1099         update_disk_space ();
1100         update_timecode_format ();
1101
1102         if (nsm && nsm->is_active ()) {
1103                 nsm->check ();
1104
1105                 if (!_was_dirty && _session->dirty ()) {
1106                         nsm->is_dirty ();
1107                         _was_dirty = true;
1108                 }
1109                 else if (_was_dirty && !_session->dirty ()){
1110                         nsm->is_clean ();
1111                         _was_dirty = false;
1112                 }
1113         }
1114         return TRUE;
1115 }
1116
1117 gint
1118 ARDOUR_UI::every_point_one_seconds ()
1119 {
1120         shuttle_box->update_speed_display ();
1121         RapidScreenUpdate(); /* EMIT_SIGNAL */
1122         return TRUE;
1123 }
1124
1125 gint
1126 ARDOUR_UI::every_point_zero_something_seconds ()
1127 {
1128         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1129
1130         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1131         if (editor_meter && Config->get_show_editor_meter()) {
1132                 float mpeak = editor_meter->update_meters();
1133                 if (mpeak > editor_meter_max_peak) {
1134                         if (mpeak >= Config->get_meter_peak()) {
1135                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1136                         }
1137                 }
1138         }
1139         return TRUE;
1140 }
1141
1142 void
1143 ARDOUR_UI::update_sample_rate (framecnt_t)
1144 {
1145         char buf[64];
1146
1147         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1148
1149         if (!AudioEngine::instance()->connected()) {
1150
1151                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1152
1153         } else {
1154
1155                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1156
1157                 if (rate == 0) {
1158                         /* no sample rate available */
1159                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1160                 } else {
1161
1162                         if (fmod (rate, 1000.0) != 0.0) {
1163                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1164                                           (float) rate / 1000.0f,
1165                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1166                         } else {
1167                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1168                                           rate/1000,
1169                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1170                         }
1171                 }
1172         }
1173         sample_rate_label.set_markup (buf);
1174 }
1175
1176 void
1177 ARDOUR_UI::update_format ()
1178 {
1179         if (!_session) {
1180                 format_label.set_text ("");
1181                 return;
1182         }
1183
1184         stringstream s;
1185         s << _("File:") << X_(" <span foreground=\"green\">");
1186
1187         switch (_session->config.get_native_file_header_format ()) {
1188         case BWF:
1189                 s << _("BWF");
1190                 break;
1191         case WAVE:
1192                 s << _("WAV");
1193                 break;
1194         case WAVE64:
1195                 s << _("WAV64");
1196                 break;
1197         case CAF:
1198                 s << _("CAF");
1199                 break;
1200         case AIFF:
1201                 s << _("AIFF");
1202                 break;
1203         case iXML:
1204                 s << _("iXML");
1205                 break;
1206         case RF64:
1207                 s << _("RF64");
1208                 break;
1209         }
1210
1211         s << " ";
1212
1213         switch (_session->config.get_native_file_data_format ()) {
1214         case FormatFloat:
1215                 s << _("32-float");
1216                 break;
1217         case FormatInt24:
1218                 s << _("24-int");
1219                 break;
1220         case FormatInt16:
1221                 s << _("16-int");
1222                 break;
1223         }
1224
1225         s << X_("</span>");
1226
1227         format_label.set_markup (s.str ());
1228 }
1229
1230 void
1231 ARDOUR_UI::update_cpu_load ()
1232 {
1233         char buf[64];
1234
1235         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1236            should also be changed.
1237         */
1238
1239         float const c = AudioEngine::instance()->get_dsp_load ();
1240         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1241         cpu_load_label.set_markup (buf);
1242 }
1243
1244 void
1245 ARDOUR_UI::update_buffer_load ()
1246 {
1247         char buf[256];
1248
1249         uint32_t const playback = _session ? _session->playback_load () : 100;
1250         uint32_t const capture = _session ? _session->capture_load () : 100;
1251
1252         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1253            should also be changed.
1254         */
1255
1256         if (_session) {
1257                 snprintf (
1258                         buf, sizeof (buf),
1259                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1260                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1261                         playback <= 5 ? X_("red") : X_("green"),
1262                         playback,
1263                         capture <= 5 ? X_("red") : X_("green"),
1264                         capture
1265                         );
1266
1267                 buffer_load_label.set_markup (buf);
1268         } else {
1269                 buffer_load_label.set_text ("");
1270         }
1271 }
1272
1273 void
1274 ARDOUR_UI::count_recenabled_streams (Route& route)
1275 {
1276         Track* track = dynamic_cast<Track*>(&route);
1277         if (track && track->record_enabled()) {
1278                 rec_enabled_streams += track->n_inputs().n_total();
1279         }
1280 }
1281
1282 void
1283 ARDOUR_UI::update_disk_space()
1284 {
1285         if (_session == 0) {
1286                 return;
1287         }
1288
1289         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1290         char buf[64];
1291         framecnt_t fr = _session->frame_rate();
1292
1293         if (fr == 0) {
1294                 /* skip update - no SR available */
1295                 return;
1296         }
1297
1298         if (!opt_frames) {
1299                 /* Available space is unknown */
1300                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1301         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1302                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1303         } else {
1304                 rec_enabled_streams = 0;
1305                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1306
1307                 framecnt_t frames = opt_frames.get_value_or (0);
1308
1309                 if (rec_enabled_streams) {
1310                         frames /= rec_enabled_streams;
1311                 }
1312
1313                 int hrs;
1314                 int mins;
1315                 int secs;
1316
1317                 hrs  = frames / (fr * 3600);
1318
1319                 if (hrs > 24) {
1320                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1321                 } else {
1322                         frames -= hrs * fr * 3600;
1323                         mins = frames / (fr * 60);
1324                         frames -= mins * fr * 60;
1325                         secs = frames / fr;
1326
1327                         bool const low = (hrs == 0 && mins <= 30);
1328
1329                         snprintf (
1330                                 buf, sizeof(buf),
1331                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1332                                 low ? X_("red") : X_("green"),
1333                                 hrs, mins, secs
1334                                 );
1335                 }
1336         }
1337
1338         disk_space_label.set_markup (buf);
1339 }
1340
1341 void
1342 ARDOUR_UI::update_timecode_format ()
1343 {
1344         char buf[64];
1345
1346         if (_session) {
1347                 bool matching;
1348                 TimecodeSlave* tcslave;
1349                 SyncSource sync_src = Config->get_sync_source();
1350
1351                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1352                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1353                 } else {
1354                         matching = true;
1355                 }
1356
1357                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1358                           matching ? X_("green") : X_("red"),
1359                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1360         } else {
1361                 snprintf (buf, sizeof (buf), "TC: n/a");
1362         }
1363
1364         timecode_format_label.set_markup (buf);
1365 }
1366
1367 gint
1368 ARDOUR_UI::update_wall_clock ()
1369 {
1370         time_t now;
1371         struct tm *tm_now;
1372         static int last_min = -1;
1373
1374         time (&now);
1375         tm_now = localtime (&now);
1376         if (last_min != tm_now->tm_min) {
1377                 char buf[16];
1378                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1379                 wall_clock_label.set_text (buf);
1380                 last_min = tm_now->tm_min;
1381         }
1382
1383         return TRUE;
1384 }
1385
1386 void
1387 ARDOUR_UI::redisplay_recent_sessions ()
1388 {
1389         std::vector<std::string> session_directories;
1390         RecentSessionsSorter cmp;
1391
1392         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1393         recent_session_model->clear ();
1394
1395         ARDOUR::RecentSessions rs;
1396         ARDOUR::read_recent_sessions (rs);
1397
1398         if (rs.empty()) {
1399                 recent_session_display.set_model (recent_session_model);
1400                 return;
1401         }
1402
1403         // sort them alphabetically
1404         sort (rs.begin(), rs.end(), cmp);
1405
1406         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1407                 session_directories.push_back ((*i).second);
1408         }
1409
1410         for (vector<std::string>::const_iterator i = session_directories.begin();
1411                         i != session_directories.end(); ++i)
1412         {
1413                 std::vector<std::string> state_file_paths;
1414
1415                 // now get available states for this session
1416
1417                 get_state_files_in_directory (*i, state_file_paths);
1418
1419                 vector<string> states;
1420                 vector<const gchar*> item;
1421                 string fullpath = *i;
1422
1423                 /* remove any trailing / */
1424
1425                 if (fullpath[fullpath.length() - 1] == '/') {
1426                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1427                 }
1428
1429                 /* check whether session still exists */
1430                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1431                         /* session doesn't exist */
1432                         continue;
1433                 }
1434
1435                 /* now get available states for this session */
1436                 states = Session::possible_states (fullpath);
1437
1438                 if (states.empty()) {
1439                         /* no state file? */
1440                         continue;
1441                 }
1442
1443                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1444
1445                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1446
1447                 row[recent_session_columns.fullpath] = fullpath;
1448                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1449
1450                 if (state_file_names.size() > 1) {
1451                         // multiple session files in the session directory - show the directory name.
1452                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1453
1454                         // add the children
1455                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1456                                         i2 != state_file_names.end(); ++i2)
1457                         {
1458
1459                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1460
1461                                 child_row[recent_session_columns.visible_name] = *i2;
1462                                 child_row[recent_session_columns.fullpath] = fullpath;
1463                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1464                         }
1465                 } else {
1466                         // only a single session file in the directory - show its actual name.
1467                         row[recent_session_columns.visible_name] = state_file_names.front ();
1468                 }
1469         }
1470
1471         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1472         recent_session_display.set_model (recent_session_model);
1473 }
1474
1475 void
1476 ARDOUR_UI::build_session_selector ()
1477 {
1478         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1479
1480         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1481
1482         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1483         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1484         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1485         recent_session_model = TreeStore::create (recent_session_columns);
1486         recent_session_display.set_model (recent_session_model);
1487         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1488         recent_session_display.set_headers_visible (false);
1489         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1490         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1491
1492         scroller->add (recent_session_display);
1493         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1494
1495         session_selector_window->set_name ("SessionSelectorWindow");
1496         session_selector_window->set_size_request (200, 400);
1497         session_selector_window->get_vbox()->pack_start (*scroller);
1498
1499         recent_session_display.show();
1500         scroller->show();
1501 }
1502
1503 void
1504 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1505 {
1506         session_selector_window->response (RESPONSE_ACCEPT);
1507 }
1508
1509 void
1510 ARDOUR_UI::open_recent_session ()
1511 {
1512         bool can_return = (_session != 0);
1513
1514         if (session_selector_window == 0) {
1515                 build_session_selector ();
1516         }
1517
1518         redisplay_recent_sessions ();
1519
1520         while (true) {
1521
1522                 ResponseType r = (ResponseType) session_selector_window->run ();
1523
1524                 switch (r) {
1525                 case RESPONSE_ACCEPT:
1526                         break;
1527                 default:
1528                         if (can_return) {
1529                                 session_selector_window->hide();
1530                                 return;
1531                         } else {
1532                                 exit (1);
1533                         }
1534                 }
1535
1536                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1537                         continue;
1538                 }
1539
1540                 session_selector_window->hide();
1541
1542                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1543
1544                 if (i == recent_session_model->children().end()) {
1545                         return;
1546                 }
1547
1548                 std::string path = (*i)[recent_session_columns.fullpath];
1549                 std::string state = (*i)[recent_session_columns.visible_name];
1550
1551                 _session_is_new = false;
1552
1553                 if (load_session (path, state) == 0) {
1554                         break;
1555                 }
1556
1557                 can_return = false;
1558         }
1559 }
1560
1561 bool
1562 ARDOUR_UI::check_audioengine ()
1563 {
1564         if (!AudioEngine::instance()->connected()) {
1565                 MessageDialog msg (string_compose (
1566                                            _("%1 is not connected to any audio backend.\n"
1567                                              "You cannot open or close sessions in this condition"),
1568                                            PROGRAM_NAME));
1569                 pop_back_splash (msg);
1570                 msg.run ();
1571                 return false;
1572         }
1573         return true;
1574 }
1575
1576 void
1577 ARDOUR_UI::open_session ()
1578 {
1579         if (!check_audioengine()) {
1580                 return;
1581
1582         }
1583
1584         /* popup selector window */
1585
1586         if (open_session_selector == 0) {
1587
1588                 /* ardour sessions are folders */
1589
1590                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1591                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1592                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1593                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1594
1595                 if (_session) {
1596                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1597                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1598                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1599                         open_session_selector->set_current_folder(session_parent_dir);
1600                 } else {
1601                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1602                 }
1603
1604                 string default_session_folder = Config->get_default_session_parent_dir();
1605                 try {
1606                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1607                         open_session_selector->add_shortcut_folder (default_session_folder);
1608                 }
1609                 catch (Glib::Error & e) {
1610                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1611                 }
1612
1613                 FileFilter session_filter;
1614                 session_filter.add_pattern ("*.ardour");
1615                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1616                 open_session_selector->add_filter (session_filter);
1617                 open_session_selector->set_filter (session_filter);
1618         }
1619
1620         int response = open_session_selector->run();
1621         open_session_selector->hide ();
1622
1623         switch (response) {
1624         case RESPONSE_ACCEPT:
1625                 break;
1626         default:
1627                 open_session_selector->hide();
1628                 return;
1629         }
1630
1631         open_session_selector->hide();
1632         string session_path = open_session_selector->get_filename();
1633         string path, name;
1634         bool isnew;
1635
1636         if (session_path.length() > 0) {
1637                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1638                         _session_is_new = isnew;
1639                         load_session (path, name);
1640                 }
1641         }
1642 }
1643
1644
1645 void
1646 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1647                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1648 {
1649         list<boost::shared_ptr<MidiTrack> > tracks;
1650
1651         if (_session == 0) {
1652                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1653                 return;
1654         }
1655
1656         try {
1657                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1658
1659                 if (tracks.size() != how_many) {
1660                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1661                 }
1662         }
1663
1664         catch (...) {
1665                 MessageDialog msg (*editor,
1666                                    string_compose (_("There are insufficient ports available\n\
1667 to create a new track or bus.\n\
1668 You should save %1, exit and\n\
1669 restart with more ports."), PROGRAM_NAME));
1670                 msg.run ();
1671         }
1672 }
1673
1674
1675 void
1676 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1677 {
1678         ChanCount one_midi_channel;
1679         one_midi_channel.set (DataType::MIDI, 1);
1680
1681         if (disk) {
1682                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1683         }
1684 }
1685
1686 void
1687 ARDOUR_UI::session_add_audio_route (
1688         bool track,
1689         int32_t input_channels,
1690         int32_t output_channels,
1691         ARDOUR::TrackMode mode,
1692         RouteGroup* route_group,
1693         uint32_t how_many,
1694         string const & name_template
1695         )
1696 {
1697         list<boost::shared_ptr<AudioTrack> > tracks;
1698         RouteList routes;
1699
1700         if (_session == 0) {
1701                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1702                 return;
1703         }
1704
1705         try {
1706                 if (track) {
1707                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1708
1709                         if (tracks.size() != how_many) {
1710                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1711                                       << endmsg;
1712                         }
1713
1714                 } else {
1715
1716                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1717
1718                         if (routes.size() != how_many) {
1719                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1720                                       << endmsg;
1721                         }
1722                 }
1723         }
1724
1725         catch (...) {
1726                 MessageDialog msg (*editor,
1727                                    string_compose (_("There are insufficient ports available\n\
1728 to create a new track or bus.\n\
1729 You should save %1, exit and\n\
1730 restart with more ports."), PROGRAM_NAME));
1731                 pop_back_splash (msg);
1732                 msg.run ();
1733         }
1734 }
1735
1736 void
1737 ARDOUR_UI::transport_goto_start ()
1738 {
1739         if (_session) {
1740                 _session->goto_start();
1741
1742                 /* force displayed area in editor to start no matter
1743                    what "follow playhead" setting is.
1744                 */
1745
1746                 if (editor) {
1747                         editor->center_screen (_session->current_start_frame ());
1748                 }
1749         }
1750 }
1751
1752 void
1753 ARDOUR_UI::transport_goto_zero ()
1754 {
1755         if (_session) {
1756                 _session->request_locate (0);
1757
1758                 /* force displayed area in editor to start no matter
1759                    what "follow playhead" setting is.
1760                 */
1761
1762                 if (editor) {
1763                         editor->reset_x_origin (0);
1764                 }
1765         }
1766 }
1767
1768 void
1769 ARDOUR_UI::transport_goto_wallclock ()
1770 {
1771         if (_session && editor) {
1772
1773                 time_t now;
1774                 struct tm tmnow;
1775                 framepos_t frames;
1776
1777                 time (&now);
1778                 localtime_r (&now, &tmnow);
1779
1780                 int frame_rate = _session->frame_rate();
1781
1782                 if (frame_rate == 0) {
1783                         /* no frame rate available */
1784                         return;
1785                 }
1786
1787                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1788                 frames += tmnow.tm_min * (60 * frame_rate);
1789                 frames += tmnow.tm_sec * frame_rate;
1790
1791                 _session->request_locate (frames, _session->transport_rolling ());
1792
1793                 /* force displayed area in editor to start no matter
1794                    what "follow playhead" setting is.
1795                 */
1796
1797                 if (editor) {
1798                         editor->center_screen (frames);
1799                 }
1800         }
1801 }
1802
1803 void
1804 ARDOUR_UI::transport_goto_end ()
1805 {
1806         if (_session) {
1807                 framepos_t const frame = _session->current_end_frame();
1808                 _session->request_locate (frame);
1809
1810                 /* force displayed area in editor to start no matter
1811                    what "follow playhead" setting is.
1812                 */
1813
1814                 if (editor) {
1815                         editor->center_screen (frame);
1816                 }
1817         }
1818 }
1819
1820 void
1821 ARDOUR_UI::transport_stop ()
1822 {
1823         if (!_session) {
1824                 return;
1825         }
1826
1827         if (_session->is_auditioning()) {
1828                 _session->cancel_audition ();
1829                 return;
1830         }
1831
1832         _session->request_stop (false, true);
1833 }
1834
1835 /** Check if any tracks are record enabled. If none are, record enable all of them.
1836  * @return true if track record-enabled status was changed, false otherwise.
1837  */
1838 bool
1839 ARDOUR_UI::trx_record_enable_all_tracks ()
1840 {
1841         if (!_session) {
1842                 return false;
1843         }
1844
1845         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1846         bool none_record_enabled = true;
1847
1848         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1849                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1850                 assert (t);
1851
1852                 if (t->record_enabled()) {
1853                         none_record_enabled = false;
1854                         break;
1855                 }
1856         }
1857
1858         if (none_record_enabled) {
1859                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
1860         }
1861
1862         return none_record_enabled;
1863 }
1864
1865 void
1866 ARDOUR_UI::transport_record (bool roll)
1867 {
1868         if (_session) {
1869                 switch (_session->record_status()) {
1870                 case Session::Disabled:
1871                         if (_session->ntracks() == 0) {
1872                                 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."));
1873                                 msg.run ();
1874                                 return;
1875                         }
1876                         if (Profile->get_trx()) {
1877                                 roll = trx_record_enable_all_tracks ();
1878                         }
1879                         _session->maybe_enable_record ();
1880                         if (roll) {
1881                                 transport_roll ();
1882                         }
1883                         break;
1884                 case Session::Recording:
1885                         if (roll) {
1886                                 _session->request_stop();
1887                         } else {
1888                                 _session->disable_record (false, true);
1889                         }
1890                         break;
1891
1892                 case Session::Enabled:
1893                         _session->disable_record (false, true);
1894                 }
1895         }
1896 }
1897
1898 void
1899 ARDOUR_UI::transport_roll ()
1900 {
1901         if (!_session) {
1902                 return;
1903         }
1904
1905         if (_session->is_auditioning()) {
1906                 return;
1907         }
1908
1909 #if 0
1910         if (_session->config.get_external_sync()) {
1911                 switch (Config->get_sync_source()) {
1912                 case Engine:
1913                         break;
1914                 default:
1915                         /* transport controlled by the master */
1916                         return;
1917                 }
1918         }
1919 #endif
1920
1921         bool rolling = _session->transport_rolling();
1922
1923         if (_session->get_play_loop()) {
1924
1925                 /* If loop playback is not a mode, then we should cancel
1926                    it when this action is requested. If it is a mode
1927                    we just leave it in place.
1928                 */
1929
1930                 if (!Config->get_loop_is_mode()) {
1931                         /* XXX it is not possible to just leave seamless loop and keep
1932                            playing at present (nov 4th 2009)
1933                         */
1934                         if (!Config->get_seamless_loop()) {
1935                                 /* stop loop playback and stop rolling */
1936                                 _session->request_play_loop (false, true);
1937                         } else if (rolling) {
1938                                 /* stop loop playback but keep rolling */
1939                                 _session->request_play_loop (false, false);
1940                         }
1941                 }
1942
1943         } else if (_session->get_play_range () ) {
1944                 /* stop playing a range if we currently are */
1945                 _session->request_play_range (0, true);
1946         }
1947
1948         if (!rolling) {
1949                 _session->request_transport_speed (1.0f);
1950         }
1951 }
1952
1953 bool
1954 ARDOUR_UI::get_smart_mode() const
1955 {
1956         return ( editor->get_smart_mode() );
1957 }
1958
1959
1960 void
1961 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1962 {
1963
1964         if (!_session) {
1965                 return;
1966         }
1967
1968         if (_session->is_auditioning()) {
1969                 _session->cancel_audition ();
1970                 return;
1971         }
1972
1973         if (_session->config.get_external_sync()) {
1974                 switch (Config->get_sync_source()) {
1975                 case Engine:
1976                         break;
1977                 default:
1978                         /* transport controlled by the master */
1979                         return;
1980                 }
1981         }
1982
1983         bool rolling = _session->transport_rolling();
1984         bool affect_transport = true;
1985
1986         if (rolling && roll_out_of_bounded_mode) {
1987                 /* drop out of loop/range playback but leave transport rolling */
1988                 if (_session->get_play_loop()) {
1989                         if (Config->get_seamless_loop()) {
1990                                 /* the disk buffers contain copies of the loop - we can't
1991                                    just keep playing, so stop the transport. the user
1992                                    can restart as they wish.
1993                                 */
1994                                 affect_transport = true;
1995                         } else {
1996                                 /* disk buffers are normal, so we can keep playing */
1997                                 affect_transport = false;
1998                         }
1999                         _session->request_play_loop (false, affect_transport);
2000                 } else if (_session->get_play_range ()) {
2001                         affect_transport = false;
2002                         _session->request_play_range (0, true);
2003                 }
2004         }
2005
2006         if (affect_transport) {
2007                 if (rolling) {
2008                         _session->request_stop (with_abort, true);
2009                 } else {
2010                         if ( Config->get_follow_edits() && ( editor->get_selection().time.front().start == _session->transport_frame() ) ) {  //if playhead is exactly at the start of a range, we can assume it was placed there by follow_edits
2011                                 _session->request_play_range (&editor->get_selection().time, true);
2012                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2013                         }
2014                         _session->request_transport_speed (1.0f);
2015                 }
2016         }
2017 }
2018
2019 void
2020 ARDOUR_UI::toggle_session_auto_loop ()
2021 {
2022         Location * looploc = _session->locations()->auto_loop_location();
2023
2024         if (!_session || !looploc) {
2025                 return;
2026         }
2027
2028         if (_session->get_play_loop()) {
2029
2030                 /* looping enabled, our job is to disable it */
2031
2032                 _session->request_play_loop (false);
2033
2034         } else {
2035
2036                 /* looping not enabled, our job is to enable it.
2037
2038                    loop-is-NOT-mode: this action always starts the transport rolling.
2039                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2040                                         does not start transport.
2041                 */
2042                 if (Config->get_loop_is_mode()) {
2043                         _session->request_play_loop (true, false);
2044                 } else {
2045                         _session->request_play_loop (true, true);
2046                 }
2047         }
2048
2049         //show the loop markers
2050         looploc->set_hidden (false, this);
2051 }
2052
2053 void
2054 ARDOUR_UI::transport_play_selection ()
2055 {
2056         if (!_session) {
2057                 return;
2058         }
2059
2060         editor->play_selection ();
2061 }
2062
2063 void
2064 ARDOUR_UI::transport_play_preroll ()
2065 {
2066         if (!_session) {
2067                 return;
2068         }
2069         editor->play_with_preroll ();
2070 }
2071
2072 void
2073 ARDOUR_UI::transport_rewind (int option)
2074 {
2075         float current_transport_speed;
2076
2077         if (_session) {
2078                 current_transport_speed = _session->transport_speed();
2079
2080                 if (current_transport_speed >= 0.0f) {
2081                         switch (option) {
2082                         case 0:
2083                                 _session->request_transport_speed (-1.0f);
2084                                 break;
2085                         case 1:
2086                                 _session->request_transport_speed (-4.0f);
2087                                 break;
2088                         case -1:
2089                                 _session->request_transport_speed (-0.5f);
2090                                 break;
2091                         }
2092                 } else {
2093                         /* speed up */
2094                         _session->request_transport_speed (current_transport_speed * 1.5f);
2095                 }
2096         }
2097 }
2098
2099 void
2100 ARDOUR_UI::transport_forward (int option)
2101 {
2102         if (!_session) {
2103                 return;
2104         }
2105
2106         float current_transport_speed = _session->transport_speed();
2107
2108         if (current_transport_speed <= 0.0f) {
2109                 switch (option) {
2110                 case 0:
2111                         _session->request_transport_speed (1.0f);
2112                         break;
2113                 case 1:
2114                         _session->request_transport_speed (4.0f);
2115                         break;
2116                 case -1:
2117                         _session->request_transport_speed (0.5f);
2118                         break;
2119                 }
2120         } else {
2121                 /* speed up */
2122                 _session->request_transport_speed (current_transport_speed * 1.5f);
2123         }
2124 }
2125
2126 void
2127 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2128 {
2129         if (!_session) {
2130                 return;
2131         }
2132
2133         boost::shared_ptr<Route> r;
2134
2135         if ((r = _session->route_by_remote_id (rid)) != 0) {
2136
2137                 Track* t;
2138
2139                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2140                         t->set_record_enabled (!t->record_enabled(), this);
2141                 }
2142         }
2143 }
2144
2145 void
2146 ARDOUR_UI::map_transport_state ()
2147 {
2148         if (!_session) {
2149                 auto_loop_button.unset_active_state ();
2150                 play_selection_button.unset_active_state ();
2151                 roll_button.unset_active_state ();
2152                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2153                 return;
2154         }
2155
2156         shuttle_box->map_transport_state ();
2157
2158         float sp = _session->transport_speed();
2159
2160         if (sp != 0.0f) {
2161
2162                 /* we're rolling */
2163
2164                 if (_session->get_play_range()) {
2165
2166                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2167                         roll_button.unset_active_state ();
2168                         auto_loop_button.unset_active_state ();
2169
2170                 } else if (_session->get_play_loop ()) {
2171
2172                         auto_loop_button.set_active (true);
2173                         play_selection_button.set_active (false);
2174                         if (Config->get_loop_is_mode()) {
2175                                 roll_button.set_active (true);
2176                         } else {
2177                                 roll_button.set_active (false);
2178                         }
2179
2180                 } else {
2181
2182                         roll_button.set_active (true);
2183                         play_selection_button.set_active (false);
2184                         auto_loop_button.set_active (false);
2185                 }
2186
2187                 if (Config->get_follow_edits()) {
2188                         /* light up both roll and play-selection if they are joined */
2189                         roll_button.set_active (true);
2190                         play_selection_button.set_active (true);
2191                 }
2192
2193                 stop_button.set_active (false);
2194
2195         } else {
2196
2197                 stop_button.set_active (true);
2198                 roll_button.set_active (false);
2199                 play_selection_button.set_active (false);
2200                 if (Config->get_loop_is_mode ()) {
2201                         auto_loop_button.set_active (_session->get_play_loop());
2202                 } else {
2203                         auto_loop_button.set_active (false);
2204                 }
2205                 update_disk_space ();
2206         }
2207 }
2208
2209 void
2210 ARDOUR_UI::update_clocks ()
2211 {
2212         if (!editor || !editor->dragging_playhead()) {
2213                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2214         }
2215 }
2216
2217 void
2218 ARDOUR_UI::start_clocking ()
2219 {
2220         if (Config->get_super_rapid_clock_update()) {
2221                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2222         } else {
2223                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2224         }
2225 }
2226
2227 void
2228 ARDOUR_UI::stop_clocking ()
2229 {
2230         clock_signal_connection.disconnect ();
2231 }
2232
2233 gint
2234 ARDOUR_UI::_blink (void *arg)
2235 {
2236         ((ARDOUR_UI *) arg)->blink ();
2237         return TRUE;
2238 }
2239
2240 void
2241 ARDOUR_UI::blink ()
2242 {
2243         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2244 }
2245
2246 void
2247 ARDOUR_UI::start_blinking ()
2248 {
2249         /* Start the blink signal. Everybody with a blinking widget
2250            uses Blink to drive the widget's state.
2251         */
2252
2253         if (blink_timeout_tag < 0) {
2254                 blink_on = false;
2255                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2256         }
2257 }
2258
2259 void
2260 ARDOUR_UI::stop_blinking ()
2261 {
2262         if (blink_timeout_tag >= 0) {
2263                 g_source_remove (blink_timeout_tag);
2264                 blink_timeout_tag = -1;
2265         }
2266 }
2267
2268
2269 /** Ask the user for the name of a new snapshot and then take it.
2270  */
2271
2272 void
2273 ARDOUR_UI::snapshot_session (bool switch_to_it)
2274 {
2275         ArdourPrompter prompter (true);
2276         string snapname;
2277
2278         prompter.set_name ("Prompter");
2279         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2280         if (switch_to_it) {
2281                 prompter.set_title (_("Save as..."));
2282                 prompter.set_prompt (_("New session name"));
2283         } else {
2284                 prompter.set_title (_("Take Snapshot"));
2285                 prompter.set_prompt (_("Name of new snapshot"));
2286         }
2287
2288         if (!switch_to_it) {
2289                 char timebuf[128];
2290                 time_t n;
2291                 struct tm local_time;
2292
2293                 time (&n);
2294                 localtime_r (&n, &local_time);
2295                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2296                 prompter.set_initial_text (timebuf);
2297         }
2298
2299   again:
2300         switch (prompter.run()) {
2301         case RESPONSE_ACCEPT:
2302         {
2303                 prompter.get_result (snapname);
2304
2305                 bool do_save = (snapname.length() != 0);
2306
2307                 if (do_save) {
2308                         char illegal = Session::session_name_is_legal(snapname);
2309                         if (illegal) {
2310                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2311                                                      "snapshot names may not contain a '%1' character"), illegal));
2312                                 msg.run ();
2313                                 goto again;
2314                         }
2315                 }
2316
2317                 vector<std::string> p;
2318                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2319                 vector<string> n = get_file_names_no_extension (p);
2320                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2321
2322                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2323                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2324                         confirm.get_vbox()->pack_start (m, true, true);
2325                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2326                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2327                         confirm.show_all ();
2328                         switch (confirm.run()) {
2329                         case RESPONSE_CANCEL:
2330                                 do_save = false;
2331                         }
2332                 }
2333
2334                 if (do_save) {
2335                         save_state (snapname, switch_to_it);
2336                 }
2337                 break;
2338         }
2339
2340         default:
2341                 break;
2342         }
2343 }
2344
2345 /** Ask the user for a new session name and then rename the session to it.
2346  */
2347
2348 void
2349 ARDOUR_UI::rename_session ()
2350 {
2351         if (!_session) {
2352                 return;
2353         }
2354
2355         ArdourPrompter prompter (true);
2356         string name;
2357
2358         prompter.set_name ("Prompter");
2359         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2360         prompter.set_title (_("Rename Session"));
2361         prompter.set_prompt (_("New session name"));
2362
2363   again:
2364         switch (prompter.run()) {
2365         case RESPONSE_ACCEPT:
2366         {
2367                 prompter.get_result (name);
2368
2369                 bool do_rename = (name.length() != 0);
2370
2371                 if (do_rename) {
2372                         char illegal = Session::session_name_is_legal (name);
2373
2374                         if (illegal) {
2375                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2376                                                                      "session names may not contain a '%1' character"), illegal));
2377                                 msg.run ();
2378                                 goto again;
2379                         }
2380
2381                         switch (_session->rename (name)) {
2382                         case -1: {
2383                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2384                                 msg.set_position (WIN_POS_MOUSE);
2385                                 msg.run ();
2386                                 goto again;
2387                                 break;
2388                         }
2389                         case 0:
2390                                 break;
2391                         default: {
2392                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2393                                 msg.set_position (WIN_POS_MOUSE);
2394                                 msg.run ();
2395                                 break;
2396                         }
2397                         }
2398                 }
2399
2400                 break;
2401         }
2402
2403         default:
2404                 break;
2405         }
2406 }
2407
2408 void
2409 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2410 {
2411         XMLNode* node = new XMLNode (X_("UI"));
2412
2413         WM::Manager::instance().add_state (*node);
2414
2415         node->add_child_nocopy (gui_object_state->get_state());
2416
2417         _session->add_extra_xml (*node);
2418
2419         save_state_canfail (name, switch_to_it);
2420 }
2421
2422 int
2423 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2424 {
2425         if (_session) {
2426                 int ret;
2427
2428                 if (name.length() == 0) {
2429                         name = _session->snap_name();
2430                 }
2431
2432                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2433                         return ret;
2434                 }
2435         }
2436
2437         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2438         return 0;
2439 }
2440
2441 void
2442 ARDOUR_UI::primary_clock_value_changed ()
2443 {
2444         if (_session) {
2445                 _session->request_locate (primary_clock->current_time ());
2446         }
2447 }
2448
2449 void
2450 ARDOUR_UI::big_clock_value_changed ()
2451 {
2452         if (_session) {
2453                 _session->request_locate (big_clock->current_time ());
2454         }
2455 }
2456
2457 void
2458 ARDOUR_UI::secondary_clock_value_changed ()
2459 {
2460         if (_session) {
2461                 _session->request_locate (secondary_clock->current_time ());
2462         }
2463 }
2464
2465 void
2466 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2467 {
2468         if (_session == 0) {
2469                 return;
2470         }
2471
2472         if (_session->step_editing()) {
2473                 return;
2474         }
2475
2476         Session::RecordState const r = _session->record_status ();
2477         bool const h = _session->have_rec_enabled_track ();
2478
2479         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2480                 if (onoff) {
2481                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2482                 } else {
2483                         rec_button.set_active_state (Gtkmm2ext::Off);
2484                 }
2485         } else if (r == Session::Recording && h) {
2486                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2487         } else {
2488                 rec_button.unset_active_state ();
2489         }
2490 }
2491
2492 void
2493 ARDOUR_UI::save_template ()
2494 {
2495         ArdourPrompter prompter (true);
2496         string name;
2497
2498         if (!check_audioengine()) {
2499                 return;
2500         }
2501
2502         prompter.set_name (X_("Prompter"));
2503         prompter.set_title (_("Save Template"));
2504         prompter.set_prompt (_("Name for template:"));
2505         prompter.set_initial_text(_session->name() + _("-template"));
2506         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2507
2508         switch (prompter.run()) {
2509         case RESPONSE_ACCEPT:
2510                 prompter.get_result (name);
2511
2512                 if (name.length()) {
2513                         _session->save_template (name);
2514                 }
2515                 break;
2516
2517         default:
2518                 break;
2519         }
2520 }
2521
2522 void
2523 ARDOUR_UI::edit_metadata ()
2524 {
2525         SessionMetadataEditor dialog;
2526         dialog.set_session (_session);
2527         editor->ensure_float (dialog);
2528         dialog.run ();
2529 }
2530
2531 void
2532 ARDOUR_UI::import_metadata ()
2533 {
2534         SessionMetadataImporter dialog;
2535         dialog.set_session (_session);
2536         editor->ensure_float (dialog);
2537         dialog.run ();
2538 }
2539
2540 bool
2541 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2542 {
2543         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2544
2545         MessageDialog msg (str,
2546                            false,
2547                            Gtk::MESSAGE_WARNING,
2548                            Gtk::BUTTONS_YES_NO,
2549                            true);
2550
2551
2552         msg.set_name (X_("OpenExistingDialog"));
2553         msg.set_title (_("Open Existing Session"));
2554         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2555         msg.set_position (Gtk::WIN_POS_MOUSE);
2556         pop_back_splash (msg);
2557
2558         switch (msg.run()) {
2559         case RESPONSE_YES:
2560                 return true;
2561                 break;
2562         }
2563         return false;
2564 }
2565
2566 int
2567 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2568 {
2569         BusProfile bus_profile;
2570
2571         if (nsm || Profile->get_sae()) {
2572
2573                 bus_profile.master_out_channels = 2;
2574                 bus_profile.input_ac = AutoConnectPhysical;
2575                 bus_profile.output_ac = AutoConnectMaster;
2576                 bus_profile.requested_physical_in = 0; // use all available
2577                 bus_profile.requested_physical_out = 0; // use all available
2578
2579         } else {
2580
2581                 /* get settings from advanced section of NSD */
2582
2583                 if (sd.create_master_bus()) {
2584                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2585                 } else {
2586                         bus_profile.master_out_channels = 0;
2587                 }
2588
2589                 if (sd.connect_inputs()) {
2590                         bus_profile.input_ac = AutoConnectPhysical;
2591                 } else {
2592                         bus_profile.input_ac = AutoConnectOption (0);
2593                 }
2594
2595                 bus_profile.output_ac = AutoConnectOption (0);
2596
2597                 if (sd.connect_outputs ()) {
2598                         if (sd.connect_outs_to_master()) {
2599                                 bus_profile.output_ac = AutoConnectMaster;
2600                         } else if (sd.connect_outs_to_physical()) {
2601                                 bus_profile.output_ac = AutoConnectPhysical;
2602                         }
2603                 }
2604
2605                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2606                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2607         }
2608
2609         if (build_session (session_path, session_name, bus_profile)) {
2610                 return -1;
2611         }
2612
2613         return 0;
2614 }
2615
2616 void
2617 ARDOUR_UI::idle_load (const std::string& path)
2618 {
2619         if (_session) {
2620                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2621                         /* /path/to/foo => /path/to/foo, foo */
2622                         load_session (path, basename_nosuffix (path));
2623                 } else {
2624                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2625                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2626                 }
2627
2628         } else {
2629                 ARDOUR_COMMAND_LINE::session_name = path;
2630         }
2631 }
2632
2633 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2634 int
2635 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2636 {
2637         string session_name;
2638         string session_path;
2639         string template_name;
2640         int ret = -1;
2641         bool likely_new = false;
2642         bool cancel_not_quit;
2643
2644         /* deal with any existing DIRTY session now, rather than later. don't
2645          * treat a non-dirty session this way, so that it stays visible
2646          * as we bring up the new session dialog.
2647          */
2648
2649         if (_session && ARDOUR_UI::instance()->video_timeline) {
2650                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2651         }
2652
2653         /* if there is already a session, relabel the button
2654            on the SessionDialog so that we don't Quit directly
2655         */
2656         cancel_not_quit = (_session != 0);
2657
2658         if (_session && _session->dirty()) {
2659                 if (unload_session (false)) {
2660                         /* unload cancelled by user */
2661                         return 0;
2662                 }
2663                 ARDOUR_COMMAND_LINE::session_name = "";
2664         }
2665
2666         if (!load_template.empty()) {
2667                 should_be_new = true;
2668                 template_name = load_template;
2669         }
2670
2671         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2672         session_path = ARDOUR_COMMAND_LINE::session_name;
2673
2674         if (!session_path.empty()) {
2675                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2676                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2677                                 /* session/snapshot file, change path to be dir */
2678                                 session_path = Glib::path_get_dirname (session_path);
2679                         }
2680                 }
2681         }
2682
2683         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2684
2685         while (ret != 0) {
2686
2687                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2688
2689                         /* if they named a specific statefile, use it, otherwise they are
2690                            just giving a session folder, and we want to use it as is
2691                            to find the session.
2692                         */
2693
2694                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2695
2696                         if (suffix != string::npos) {
2697                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2698                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2699                                 session_name = Glib::path_get_basename (session_name);
2700                         } else {
2701                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2702                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2703                         }
2704                 } else {
2705                         session_path = "";
2706                         session_name = "";
2707                         session_dialog.clear_given ();
2708                 }
2709
2710                 if (should_be_new || session_name.empty()) {
2711                         /* need the dialog to get info from user */
2712
2713                         cerr << "run dialog\n";
2714
2715                         switch (session_dialog.run()) {
2716                         case RESPONSE_ACCEPT:
2717                                 break;
2718                         default:
2719                                 if (quit_on_cancel) {
2720                                         // JE - Currently (July 2014) this section can only get reached if the
2721                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2722                                         // point does NOT indicate an abnormal termination). Therefore, let's
2723                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2724                                         ARDOUR::cleanup ();
2725                                         pthread_cancel_all ();
2726
2727                                         exit (1);
2728                                 } else {
2729                                         return ret;
2730                                 }
2731                         }
2732
2733                         session_dialog.hide ();
2734                 }
2735
2736                 /* if we run the startup dialog again, offer more than just "new session" */
2737
2738                 should_be_new = false;
2739
2740                 session_name = session_dialog.session_name (likely_new);
2741                 session_path = session_dialog.session_folder ();
2742
2743                 if (nsm) {
2744                         likely_new = true;
2745                 }
2746
2747                 string::size_type suffix = session_name.find (statefile_suffix);
2748
2749                 if (suffix != string::npos) {
2750                         session_name = session_name.substr (0, suffix);
2751                 }
2752
2753                 /* this shouldn't happen, but we catch it just in case it does */
2754
2755                 if (session_name.empty()) {
2756                         continue;
2757                 }
2758
2759                 if (session_dialog.use_session_template()) {
2760                         template_name = session_dialog.session_template_name();
2761                         _session_is_new = true;
2762                 }
2763
2764                 if (session_name[0] == G_DIR_SEPARATOR ||
2765                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2766                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2767
2768                         /* absolute path or cwd-relative path specified for session name: infer session folder
2769                            from what was given.
2770                         */
2771
2772                         session_path = Glib::path_get_dirname (session_name);
2773                         session_name = Glib::path_get_basename (session_name);
2774
2775                 } else {
2776
2777                         session_path = session_dialog.session_folder();
2778
2779                         char illegal = Session::session_name_is_legal (session_name);
2780
2781                         if (illegal) {
2782                                 MessageDialog msg (session_dialog,
2783                                                    string_compose (_("To ensure compatibility with various systems\n"
2784                                                                      "session names may not contain a '%1' character"),
2785                                                                    illegal));
2786                                 msg.run ();
2787                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2788                                 continue;
2789                         }
2790                 }
2791
2792                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2793
2794
2795                         if (likely_new && !nsm) {
2796
2797                                 std::string existing = Glib::build_filename (session_path, session_name);
2798
2799                                 if (!ask_about_loading_existing_session (existing)) {
2800                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2801                                         continue;
2802                                 }
2803                         }
2804
2805                         _session_is_new = false;
2806
2807                 } else {
2808
2809                         if (!likely_new) {
2810                                 pop_back_splash (session_dialog);
2811                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2812                                 msg.run ();
2813                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2814                                 continue;
2815                         }
2816
2817                         char illegal = Session::session_name_is_legal(session_name);
2818
2819                         if (illegal) {
2820                                 pop_back_splash (session_dialog);
2821                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2822                                                                                     "session names may not contain a '%1' character"), illegal));
2823                                 msg.run ();
2824                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2825                                 continue;
2826                         }
2827
2828                         _session_is_new = true;
2829                 }
2830
2831                 if (likely_new && template_name.empty()) {
2832
2833                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2834
2835                 } else {
2836
2837                         ret = load_session (session_path, session_name, template_name);
2838
2839                         if (ret == -2) {
2840                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2841                                 exit (1);
2842                         }
2843
2844                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2845                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2846                                 exit (1);
2847                         }
2848
2849                         /* clear this to avoid endless attempts to load the
2850                            same session.
2851                         */
2852
2853                         ARDOUR_COMMAND_LINE::session_name = "";
2854                 }
2855         }
2856
2857         return ret;
2858 }
2859
2860 void
2861 ARDOUR_UI::close_session()
2862 {
2863         if (!check_audioengine()) {
2864                 return;
2865         }
2866
2867         if (unload_session (true)) {
2868                 return;
2869         }
2870
2871         ARDOUR_COMMAND_LINE::session_name = "";
2872
2873         if (get_session_parameters (true, false)) {
2874                 exit (1);
2875         }
2876
2877         goto_editor_window ();
2878 }
2879
2880 /** @param snap_name Snapshot name (without .ardour suffix).
2881  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2882  */
2883 int
2884 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2885 {
2886         Session *new_session;
2887         int unload_status;
2888         int retval = -1;
2889
2890         if (_session) {
2891                 unload_status = unload_session ();
2892
2893                 if (unload_status < 0) {
2894                         goto out;
2895                 } else if (unload_status > 0) {
2896                         retval = 0;
2897                         goto out;
2898                 }
2899         }
2900
2901         session_loaded = false;
2902
2903         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2904
2905         try {
2906                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2907         }
2908
2909         /* this one is special */
2910
2911         catch (AudioEngine::PortRegistrationFailure& err) {
2912
2913                 MessageDialog msg (err.what(),
2914                                    true,
2915                                    Gtk::MESSAGE_INFO,
2916                                    Gtk::BUTTONS_CLOSE);
2917
2918                 msg.set_title (_("Port Registration Error"));
2919                 msg.set_secondary_text (_("Click the Close button to try again."));
2920                 msg.set_position (Gtk::WIN_POS_CENTER);
2921                 pop_back_splash (msg);
2922                 msg.present ();
2923
2924                 int response = msg.run ();
2925
2926                 msg.hide ();
2927
2928                 switch (response) {
2929                 case RESPONSE_CANCEL:
2930                         exit (1);
2931                 default:
2932                         break;
2933                 }
2934                 goto out;
2935         }
2936
2937         catch (...) {
2938
2939                 MessageDialog msg (string_compose(
2940                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2941                                            path, snap_name),
2942                                    true,
2943                                    Gtk::MESSAGE_INFO,
2944                                    BUTTONS_OK);
2945
2946                 msg.set_keep_above (true);
2947                 msg.set_title (_("Loading Error"));
2948                 msg.set_position (Gtk::WIN_POS_CENTER);
2949                 pop_back_splash (msg);
2950                 msg.present ();
2951                 (void) msg.run ();
2952                 msg.hide ();
2953
2954                 goto out;
2955         }
2956
2957         {
2958                 list<string> const u = new_session->unknown_processors ();
2959                 if (!u.empty()) {
2960                         MissingPluginDialog d (_session, u);
2961                         d.run ();
2962                 }
2963         }
2964
2965         if (!new_session->writable()) {
2966                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
2967                                    true,
2968                                    Gtk::MESSAGE_INFO,
2969                                    BUTTONS_OK);
2970
2971                 msg.set_keep_above (true);
2972                 msg.set_title (_("Read-only Session"));
2973                 msg.set_position (Gtk::WIN_POS_CENTER);
2974                 pop_back_splash (msg);
2975                 msg.present ();
2976                 (void) msg.run ();
2977                 msg.hide ();
2978         }
2979
2980
2981         /* Now the session been created, add the transport controls */
2982         new_session->add_controllable(roll_controllable);
2983         new_session->add_controllable(stop_controllable);
2984         new_session->add_controllable(goto_start_controllable);
2985         new_session->add_controllable(goto_end_controllable);
2986         new_session->add_controllable(auto_loop_controllable);
2987         new_session->add_controllable(play_selection_controllable);
2988         new_session->add_controllable(rec_controllable);
2989
2990         set_session (new_session);
2991
2992         session_loaded = true;
2993
2994         goto_editor_window ();
2995
2996         if (_session) {
2997                 _session->set_clean ();
2998         }
2999
3000 #ifdef WINDOWS_VST_SUPPORT
3001         fst_stop_threading();
3002 #endif
3003
3004         flush_pending ();
3005
3006 #ifdef WINDOWS_VST_SUPPORT
3007         fst_start_threading();
3008 #endif
3009         retval = 0;
3010
3011   out:
3012         return retval;
3013 }
3014
3015 int
3016 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3017 {
3018         Session *new_session;
3019         int x;
3020
3021         session_loaded = false;
3022         x = unload_session ();
3023
3024         if (x < 0) {
3025                 return -1;
3026         } else if (x > 0) {
3027                 return 0;
3028         }
3029
3030         _session_is_new = true;
3031
3032         try {
3033                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3034         }
3035
3036         catch (...) {
3037
3038                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3039                 pop_back_splash (msg);
3040                 msg.run ();
3041                 return -1;
3042         }
3043
3044         /* Give the new session the default GUI state, if such things exist */
3045
3046         XMLNode* n;
3047         n = Config->instant_xml (X_("Editor"));
3048         if (n) {
3049                 new_session->add_instant_xml (*n, false);
3050         }
3051         n = Config->instant_xml (X_("Mixer"));
3052         if (n) {
3053                 new_session->add_instant_xml (*n, false);
3054         }
3055
3056         /* Put the playhead at 0 and scroll fully left */
3057         n = new_session->instant_xml (X_("Editor"));
3058         if (n) {
3059                 n->add_property (X_("playhead"), X_("0"));
3060                 n->add_property (X_("left-frame"), X_("0"));
3061         }
3062
3063         set_session (new_session);
3064
3065         session_loaded = true;
3066
3067         new_session->save_state(new_session->name());
3068
3069         return 0;
3070 }
3071
3072 void
3073 ARDOUR_UI::launch_chat ()
3074 {
3075 #ifdef __APPLE__
3076         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3077 #else
3078         open_uri("http://webchat.freenode.net/?channels=ardour");
3079 #endif
3080 }
3081
3082 void
3083 ARDOUR_UI::launch_manual ()
3084 {
3085         PBD::open_uri (Config->get_tutorial_manual_url());
3086 }
3087
3088 void
3089 ARDOUR_UI::launch_reference ()
3090 {
3091         PBD::open_uri (Config->get_reference_manual_url());
3092 }
3093
3094 void
3095 ARDOUR_UI::loading_message (const std::string& msg)
3096 {
3097         if (ARDOUR_COMMAND_LINE::no_splash) {
3098                 return;
3099         }
3100
3101         if (!splash) {
3102                 show_splash ();
3103         }
3104
3105         splash->message (msg);
3106 }
3107
3108 void
3109 ARDOUR_UI::show_splash ()
3110 {
3111         if (splash == 0) {
3112                 try {
3113                         splash = new Splash;
3114                 } catch (...) {
3115                         return;
3116                 }
3117         }
3118
3119         splash->display ();
3120 }
3121
3122 void
3123 ARDOUR_UI::hide_splash ()
3124 {
3125         delete splash;
3126         splash = 0;
3127 }
3128
3129 void
3130 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3131 {
3132         size_t removed;
3133
3134         removed = rep.paths.size();
3135
3136         if (removed == 0) {
3137                 MessageDialog msgd (*editor,
3138                                     _("No files were ready for clean-up"),
3139                                     true,
3140                                     Gtk::MESSAGE_INFO,
3141                                     Gtk::BUTTONS_OK);
3142                 msgd.set_title (_("Clean-up"));
3143                 msgd.set_secondary_text (_("If this seems suprising, \n\
3144 check for any existing snapshots.\n\
3145 These may still include regions that\n\
3146 require some unused files to continue to exist."));
3147
3148                 msgd.run ();
3149                 return;
3150         }
3151
3152         ArdourDialog results (_("Clean-up"), true, false);
3153
3154         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3155             CleanupResultsModelColumns() {
3156                     add (visible_name);
3157                     add (fullpath);
3158             }
3159             Gtk::TreeModelColumn<std::string> visible_name;
3160             Gtk::TreeModelColumn<std::string> fullpath;
3161         };
3162
3163
3164         CleanupResultsModelColumns results_columns;
3165         Glib::RefPtr<Gtk::ListStore> results_model;
3166         Gtk::TreeView results_display;
3167
3168         results_model = ListStore::create (results_columns);
3169         results_display.set_model (results_model);
3170         results_display.append_column (list_title, results_columns.visible_name);
3171
3172         results_display.set_name ("CleanupResultsList");
3173         results_display.set_headers_visible (true);
3174         results_display.set_headers_clickable (false);
3175         results_display.set_reorderable (false);
3176
3177         Gtk::ScrolledWindow list_scroller;
3178         Gtk::Label txt;
3179         Gtk::VBox dvbox;
3180         Gtk::HBox dhbox;  // the hbox for the image and text
3181         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3182         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3183
3184         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3185
3186         const string dead_directory = _session->session_directory().dead_path();
3187
3188         /* subst:
3189            %1 - number of files removed
3190            %2 - location of "dead"
3191            %3 - size of files affected
3192            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3193         */
3194
3195         const char* bprefix;
3196         double space_adjusted = 0;
3197
3198         if (rep.space < 1000) {
3199                 bprefix = X_("");
3200                 space_adjusted = rep.space;
3201         } else if (rep.space < 1000000) {
3202                 bprefix = _("kilo");
3203                 space_adjusted = floorf((float)rep.space / 1000.0);
3204         } else if (rep.space < 1000000 * 1000) {
3205                 bprefix = _("mega");
3206                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3207         } else {
3208                 bprefix = _("giga");
3209                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3210         }
3211
3212         if (msg_delete) {
3213                 txt.set_markup (string_compose (P_("\
3214 The following file was deleted from %2,\n\
3215 releasing %3 %4bytes of disk space", "\
3216 The following %1 files were deleted from %2,\n\
3217 releasing %3 %4bytes of disk space", removed),
3218                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3219         } else {
3220                 txt.set_markup (string_compose (P_("\
3221 The following file was not in use and \n\
3222 has been moved to: %2\n\n\
3223 After a restart of %5\n\n\
3224 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3225 will release an additional %3 %4bytes of disk space.\n", "\
3226 The following %1 files were not in use and \n\
3227 have been moved to: %2\n\n\
3228 After a restart of %5\n\n\
3229 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3230 will release an additional %3 %4bytes of disk space.\n", removed),
3231                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3232         }
3233
3234         dhbox.pack_start (*dimage, true, false, 5);
3235         dhbox.pack_start (txt, true, false, 5);
3236
3237         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3238                 TreeModel::Row row = *(results_model->append());
3239                 row[results_columns.visible_name] = *i;
3240                 row[results_columns.fullpath] = *i;
3241         }
3242
3243         list_scroller.add (results_display);
3244         list_scroller.set_size_request (-1, 150);
3245         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3246
3247         dvbox.pack_start (dhbox, true, false, 5);
3248         dvbox.pack_start (list_scroller, true, false, 5);
3249         ddhbox.pack_start (dvbox, true, false, 5);
3250
3251         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3252         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3253         results.set_default_response (RESPONSE_CLOSE);
3254         results.set_position (Gtk::WIN_POS_MOUSE);
3255
3256         results_display.show();
3257         list_scroller.show();
3258         txt.show();
3259         dvbox.show();
3260         dhbox.show();
3261         ddhbox.show();
3262         dimage->show();
3263
3264         //results.get_vbox()->show();
3265         results.set_resizable (false);
3266
3267         results.run ();
3268
3269 }
3270
3271 void
3272 ARDOUR_UI::cleanup ()
3273 {
3274         if (_session == 0) {
3275                 /* shouldn't happen: menu item is insensitive */
3276                 return;
3277         }
3278
3279
3280         MessageDialog checker (_("Are you sure you want to clean-up?"),
3281                                 true,
3282                                 Gtk::MESSAGE_QUESTION,
3283                                 Gtk::BUTTONS_NONE);
3284
3285         checker.set_title (_("Clean-up"));
3286
3287         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3288 ALL undo/redo information will be lost if you clean-up.\n\
3289 Clean-up will move all unused files to a \"dead\" location."));
3290
3291         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3292         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3293         checker.set_default_response (RESPONSE_CANCEL);
3294
3295         checker.set_name (_("CleanupDialog"));
3296         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3297         checker.set_position (Gtk::WIN_POS_MOUSE);
3298
3299         switch (checker.run()) {
3300         case RESPONSE_ACCEPT:
3301                 break;
3302         default:
3303                 return;
3304         }
3305
3306         ARDOUR::CleanupReport rep;
3307
3308         editor->prepare_for_cleanup ();
3309
3310         /* do not allow flush until a session is reloaded */
3311
3312         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3313         if (act) {
3314                 act->set_sensitive (false);
3315         }
3316
3317         if (_session->cleanup_sources (rep)) {
3318                 editor->finish_cleanup ();
3319                 return;
3320         }
3321
3322         editor->finish_cleanup ();
3323
3324         checker.hide();
3325         display_cleanup_results (rep, _("Cleaned Files"), false);
3326 }
3327
3328 void
3329 ARDOUR_UI::flush_trash ()
3330 {
3331         if (_session == 0) {
3332                 /* shouldn't happen: menu item is insensitive */
3333                 return;
3334         }
3335
3336         ARDOUR::CleanupReport rep;
3337
3338         if (_session->cleanup_trash_sources (rep)) {
3339                 return;
3340         }
3341
3342         display_cleanup_results (rep, _("deleted file"), true);
3343 }
3344
3345 void
3346 ARDOUR_UI::setup_order_hint ()
3347 {
3348         uint32_t order_hint = 0;
3349
3350         /*
3351           we want the new routes to have their order keys set starting from
3352           the highest order key in the selection + 1 (if available).
3353         */
3354         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3355                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3356                         if ((*s)->route()->order_key() > order_hint) {
3357                                 order_hint = (*s)->route()->order_key();
3358                         }
3359                 }
3360
3361                 if (!mixer->selection().routes.empty()) {
3362                         order_hint++;
3363                 }
3364
3365         } else {
3366                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3367                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3368                         if (tav && tav->route() && tav->route()->order_key() > order_hint) {
3369                                 order_hint = tav->route()->order_key();
3370                         }
3371                 }
3372
3373                 if (!editor->get_selection().tracks.empty()) {
3374                         order_hint++;
3375                 }
3376         }
3377
3378         _session->set_order_hint (order_hint);
3379
3380         /* create a gap in the existing route order keys to accomodate new routes.*/
3381
3382         boost::shared_ptr <RouteList> rd = _session->get_routes();
3383         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3384                 boost::shared_ptr<Route> rt (*ri);
3385
3386                 if (rt->is_monitor()) {
3387                         continue;
3388                 }
3389
3390                 if (rt->order_key () >= order_hint) {
3391                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3392                 }
3393         }
3394 }
3395
3396 void
3397 ARDOUR_UI::add_route (Gtk::Window* float_window)
3398 {
3399         int count;
3400
3401         if (!_session) {
3402                 return;
3403         }
3404
3405         if (add_route_dialog->is_visible()) {
3406                 /* we're already doing this */
3407                 return;
3408         }
3409
3410         if (float_window) {
3411                 add_route_dialog->unset_transient_for ();
3412                 add_route_dialog->set_transient_for (*float_window);
3413         }
3414
3415         ResponseType r = (ResponseType) add_route_dialog->run ();
3416
3417         add_route_dialog->hide();
3418
3419         switch (r) {
3420                 case RESPONSE_ACCEPT:
3421                         break;
3422                 default:
3423                         return;
3424                         break;
3425         }
3426
3427         if ((count = add_route_dialog->count()) <= 0) {
3428                 return;
3429         }
3430
3431         setup_order_hint();
3432
3433         string template_path = add_route_dialog->track_template();
3434         DisplaySuspender ds;
3435
3436         if (!template_path.empty()) {
3437                 if (add_route_dialog->name_template_is_default())  {
3438                         _session->new_route_from_template (count, template_path, string());
3439                 } else {
3440                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3441                 }
3442                 return;
3443         }
3444
3445         ChanCount input_chan= add_route_dialog->channels ();
3446         ChanCount output_chan;
3447         string name_template = add_route_dialog->name_template ();
3448         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3449         RouteGroup* route_group = add_route_dialog->route_group ();
3450         AutoConnectOption oac = Config->get_output_auto_connect();
3451
3452         if (oac & AutoConnectMaster) {
3453                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3454                 output_chan.set (DataType::MIDI, 0);
3455         } else {
3456                 output_chan = input_chan;
3457         }
3458
3459         /* XXX do something with name template */
3460
3461         switch (add_route_dialog->type_wanted()) {
3462         case AddRouteDialog::AudioTrack:
3463                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3464                 break;
3465         case AddRouteDialog::MidiTrack:
3466                 session_add_midi_track (route_group, count, name_template, instrument);
3467                 break;
3468         case AddRouteDialog::MixedTrack:
3469                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3470                 break;
3471         case AddRouteDialog::AudioBus:
3472                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3473                 break;
3474         }
3475 }
3476
3477 void
3478 ARDOUR_UI::stop_video_server (bool ask_confirm)
3479 {
3480         if (!video_server_process && ask_confirm) {
3481                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3482         }
3483         if (video_server_process) {
3484                 if(ask_confirm) {
3485                         ArdourDialog confirm (_("Stop Video-Server"), true);
3486                         Label m (_("Do you really want to stop the Video Server?"));
3487                         confirm.get_vbox()->pack_start (m, true, true);
3488                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3489                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3490                         confirm.show_all ();
3491                         if (confirm.run() == RESPONSE_CANCEL) {
3492                                 return;
3493                         }
3494                 }
3495                 delete video_server_process;
3496                 video_server_process =0;
3497         }
3498 }
3499
3500 void
3501 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3502 {
3503   ARDOUR_UI::start_video_server( float_window, true);
3504 }
3505
3506 bool
3507 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3508 {
3509         if (!_session) {
3510                 return false;
3511         }
3512         if (popup_msg) {
3513                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3514                         if (video_server_process) {
3515                                 popup_error(_("The Video Server is already started."));
3516                         } else {
3517                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3518                         }
3519                 }
3520         }
3521
3522         int firsttime = 0;
3523         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3524                 if (firsttime++) {
3525                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3526                 }
3527                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3528                 if (float_window) {
3529                         video_server_dialog->set_transient_for (*float_window);
3530                 }
3531
3532                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3533                         video_server_dialog->hide();
3534                 } else {
3535                         ResponseType r = (ResponseType) video_server_dialog->run ();
3536                         video_server_dialog->hide();
3537                         if (r != RESPONSE_ACCEPT) { return false; }
3538                         if (video_server_dialog->show_again()) {
3539                                 Config->set_show_video_server_dialog(false);
3540                         }
3541                 }
3542
3543                 std::string icsd_exec = video_server_dialog->get_exec_path();
3544                 std::string icsd_docroot = video_server_dialog->get_docroot();
3545                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3546
3547                 GStatBuf sb;
3548                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3549                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3550                         continue;
3551                 }
3552 #ifndef PLATFORM_WINDOWS
3553                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3554                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3555                         warning << _("Given Video Server is not an executable file.") << endmsg;
3556                         continue;
3557                 }
3558 #else
3559                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3560                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3561                         warning << _("Given Video Server is not an executable file.") << endmsg;
3562                         continue;
3563                 }
3564 #endif
3565
3566                 char **argp;
3567                 argp=(char**) calloc(9,sizeof(char*));
3568                 argp[0] = strdup(icsd_exec.c_str());
3569                 argp[1] = strdup("-P");
3570                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3571                 argp[3] = strdup("-p");
3572                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3573                 argp[5] = strdup("-C");
3574                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3575                 argp[7] = strdup(icsd_docroot.c_str());
3576                 argp[8] = 0;
3577                 stop_video_server();
3578
3579                 if (icsd_docroot == X_("/")) {
3580                         Config->set_video_advanced_setup(false);
3581                 } else {
3582                         std::ostringstream osstream;
3583                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3584                         Config->set_video_server_url(osstream.str());
3585                         Config->set_video_server_docroot(icsd_docroot);
3586                         Config->set_video_advanced_setup(true);
3587                 }
3588
3589                 if (video_server_process) {
3590                         delete video_server_process;
3591                 }
3592
3593                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3594                 if (video_server_process->start()) {
3595                         warning << _("Cannot launch the video-server") << endmsg;
3596                         continue;
3597                 }
3598                 int timeout = 120; // 6 sec
3599                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3600                         Glib::usleep (50000);
3601                         gui_idle_handler();
3602                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3603                 }
3604                 if (timeout <= 0) {
3605                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3606                 } else {
3607                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3608                                 delete video_server_process;
3609                                 video_server_process = 0;
3610                         }
3611                 }
3612         }
3613         return true;
3614 }
3615
3616 void
3617 ARDOUR_UI::add_video (Gtk::Window* float_window)
3618 {
3619         if (!_session) {
3620                 return;
3621         }
3622
3623         if (!start_video_server(float_window, false)) {
3624                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3625                 return;
3626         }
3627
3628         if (float_window) {
3629                 add_video_dialog->set_transient_for (*float_window);
3630         }
3631
3632         if (add_video_dialog->is_visible()) {
3633                 /* we're already doing this */
3634                 return;
3635         }
3636
3637         ResponseType r = (ResponseType) add_video_dialog->run ();
3638         add_video_dialog->hide();
3639         if (r != RESPONSE_ACCEPT) { return; }
3640
3641         bool local_file, orig_local_file;
3642         std::string path = add_video_dialog->file_name(local_file);
3643
3644         std::string orig_path = path;
3645         orig_local_file = local_file;
3646
3647         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3648
3649         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3650                 warning << string_compose(_("could not open %1"), path) << endmsg;
3651                 return;
3652         }
3653         if (!local_file && path.length() == 0) {
3654                 warning << _("no video-file selected") << endmsg;
3655                 return;
3656         }
3657
3658         switch (add_video_dialog->import_option()) {
3659                 case VTL_IMPORT_TRANSCODE:
3660                         {
3661                                 TranscodeVideoDialog *transcode_video_dialog;
3662                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3663                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3664                                 transcode_video_dialog->hide();
3665                                 if (r != RESPONSE_ACCEPT) {
3666                                         delete transcode_video_dialog;
3667                                         return;
3668                                 }
3669                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3670                                         editor->embed_audio_from_video(
3671                                                         transcode_video_dialog->get_audiofile(),
3672                                                         video_timeline->get_offset(),
3673                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3674                                                         );
3675                                 }
3676                                 switch (transcode_video_dialog->import_option()) {
3677                                         case VTL_IMPORT_TRANSCODED:
3678                                                 path = transcode_video_dialog->get_filename();
3679                                                 local_file = true;
3680                                                 break;
3681                                         case VTL_IMPORT_REFERENCE:
3682                                                 break;
3683                                         default:
3684                                                 delete transcode_video_dialog;
3685                                                 return;
3686                                 }
3687                                 delete transcode_video_dialog;
3688                         }
3689                         break;
3690                 default:
3691                 case VTL_IMPORT_NONE:
3692                         break;
3693         }
3694
3695         /* strip _session->session_directory().video_path() from video file if possible */
3696         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3697                  path=path.substr(_session->session_directory().video_path().size());
3698                  if (path.at(0) == G_DIR_SEPARATOR) {
3699                          path=path.substr(1);
3700                  }
3701         }
3702
3703         video_timeline->set_update_session_fps(auto_set_session_fps);
3704         if (video_timeline->video_file_info(path, local_file)) {
3705                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3706                 node->add_property (X_("Filename"), path);
3707                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3708                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3709                 if (orig_local_file) {
3710                         node->add_property (X_("OriginalVideoFile"), orig_path);
3711                 } else {
3712                         node->remove_property (X_("OriginalVideoFile"));
3713                 }
3714                 _session->add_extra_xml (*node);
3715                 _session->set_dirty ();
3716
3717                 _session->maybe_update_session_range(
3718                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3719                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3720
3721
3722                 if (add_video_dialog->launch_xjadeo() && local_file) {
3723                         editor->set_xjadeo_sensitive(true);
3724                         editor->toggle_xjadeo_proc(1);
3725                 } else {
3726                         editor->toggle_xjadeo_proc(0);
3727                 }
3728                 editor->toggle_ruler_video(true);
3729         }
3730 }
3731
3732 void
3733 ARDOUR_UI::remove_video ()
3734 {
3735         video_timeline->close_session();
3736         editor->toggle_ruler_video(false);
3737
3738         /* reset state */
3739         video_timeline->set_offset_locked(false);
3740         video_timeline->set_offset(0);
3741
3742         /* delete session state */
3743         XMLNode* node = new XMLNode(X_("Videotimeline"));
3744         _session->add_extra_xml(*node);
3745         node = new XMLNode(X_("Videomonitor"));
3746         _session->add_extra_xml(*node);
3747         stop_video_server();
3748 }
3749
3750 void
3751 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3752 {
3753         if (localcacheonly) {
3754                 video_timeline->vmon_update();
3755         } else {
3756                 video_timeline->flush_cache();
3757         }
3758         editor->queue_visual_videotimeline_update();
3759 }
3760
3761 XMLNode*
3762 ARDOUR_UI::mixer_settings () const
3763 {
3764         XMLNode* node = 0;
3765
3766         if (_session) {
3767                 node = _session->instant_xml(X_("Mixer"));
3768         } else {
3769                 node = Config->instant_xml(X_("Mixer"));
3770         }
3771
3772         if (!node) {
3773                 node = new XMLNode (X_("Mixer"));
3774         }
3775
3776         return node;
3777 }
3778
3779 XMLNode*
3780 ARDOUR_UI::editor_settings () const
3781 {
3782         XMLNode* node = 0;
3783
3784         if (_session) {
3785                 node = _session->instant_xml(X_("Editor"));
3786         } else {
3787                 node = Config->instant_xml(X_("Editor"));
3788         }
3789
3790         if (!node) {
3791                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3792                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3793                 }
3794         }
3795
3796         if (!node) {
3797                 node = new XMLNode (X_("Editor"));
3798         }
3799
3800         return node;
3801 }
3802
3803 XMLNode*
3804 ARDOUR_UI::keyboard_settings () const
3805 {
3806         XMLNode* node = 0;
3807
3808         node = Config->extra_xml(X_("Keyboard"));
3809
3810         if (!node) {
3811                 node = new XMLNode (X_("Keyboard"));
3812         }
3813
3814         return node;
3815 }
3816
3817 void
3818 ARDOUR_UI::create_xrun_marker (framepos_t where)
3819 {
3820         editor->mouse_add_new_marker (where, false, true);
3821 }
3822
3823 void
3824 ARDOUR_UI::halt_on_xrun_message ()
3825 {
3826         MessageDialog msg (*editor,
3827                            _("Recording was stopped because your system could not keep up."));
3828         msg.run ();
3829 }
3830
3831 void
3832 ARDOUR_UI::xrun_handler (framepos_t where)
3833 {
3834         if (!_session) {
3835                 return;
3836         }
3837
3838         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3839
3840         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3841                 create_xrun_marker(where);
3842         }
3843
3844         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3845                 halt_on_xrun_message ();
3846         }
3847 }
3848
3849 void
3850 ARDOUR_UI::disk_overrun_handler ()
3851 {
3852         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3853
3854         if (!have_disk_speed_dialog_displayed) {
3855                 have_disk_speed_dialog_displayed = true;
3856                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3857 The disk system on your computer\n\
3858 was not able to keep up with %1.\n\
3859 \n\
3860 Specifically, it failed to write data to disk\n\
3861 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3862                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3863                 msg->show ();
3864         }
3865 }
3866
3867
3868 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
3869 static MessageDialog *scan_dlg = NULL;
3870 static ProgressBar   *scan_pbar = NULL;
3871 static HBox          *scan_tbox = NULL;
3872
3873 void
3874 ARDOUR_UI::cancel_plugin_scan ()
3875 {
3876         PluginManager::instance().cancel_plugin_scan();
3877 }
3878
3879 void
3880 ARDOUR_UI::cancel_plugin_timeout ()
3881 {
3882         PluginManager::instance().cancel_plugin_timeout();
3883         scan_tbox->hide();
3884 }
3885
3886 void
3887 ARDOUR_UI::plugin_scan_timeout (int timeout)
3888 {
3889         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
3890                 return;
3891         }
3892         if (timeout > 0) {
3893                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
3894                 scan_tbox->show();
3895         } else {
3896                 scan_tbox->hide();
3897         }
3898         gui_idle_handler();
3899 }
3900
3901 void
3902 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
3903 {
3904         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
3905                 return;
3906         }
3907
3908         const bool cancelled = PluginManager::instance().cancelled();
3909         if (type != X_("closeme") && !Config->get_show_plugin_scan_window()) {
3910                 if (cancelled && scan_dlg->is_mapped()) {
3911                         scan_dlg->hide();
3912                         gui_idle_handler();
3913                         return;
3914                 }
3915                 if (cancelled || !can_cancel) {
3916                         return;
3917                 }
3918         }
3919
3920         static Gtk::Button *cancel_button;
3921         static Gtk::Button *timeout_button;
3922         if (!scan_dlg) {
3923                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
3924                 VBox* vbox = scan_dlg->get_vbox();
3925                 vbox->set_size_request(400,-1);
3926                 scan_dlg->set_title (_("Scanning for plugins"));
3927
3928                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
3929                 cancel_button->set_name ("EditorGTKButton");
3930                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
3931                 cancel_button->show();
3932
3933                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
3934
3935                 scan_tbox = manage( new HBox() );
3936
3937                 timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
3938                 timeout_button->set_name ("EditorGTKButton");
3939                 timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
3940                 timeout_button->show();
3941
3942                 scan_pbar = manage(new ProgressBar());
3943                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
3944                 scan_pbar->set_text(_("Scan Timeout"));
3945                 scan_pbar->show();
3946
3947                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
3948                 scan_tbox->pack_start (*timeout_button, PACK_SHRINK, 4);
3949
3950                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
3951         }
3952
3953         if (type == X_("closeme")) {
3954                 scan_dlg->hide();
3955         } else {
3956                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
3957                 scan_dlg->show();
3958         }
3959         if (!can_cancel || !cancelled) {
3960                 scan_tbox->hide();
3961         }
3962         cancel_button->set_sensitive(can_cancel && !cancelled);
3963
3964         gui_idle_handler();
3965 }
3966
3967 void
3968 ARDOUR_UI::gui_idle_handler ()
3969 {
3970         int timeout = 30;
3971         /* due to idle calls, gtk_events_pending() may always return true */
3972         while (gtk_events_pending() && --timeout) {
3973                 gtk_main_iteration ();
3974         }
3975 }
3976
3977 void
3978 ARDOUR_UI::disk_underrun_handler ()
3979 {
3980         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3981
3982         if (!have_disk_speed_dialog_displayed) {
3983                 have_disk_speed_dialog_displayed = true;
3984                 MessageDialog* msg = new MessageDialog (
3985                         *editor, string_compose (_("The disk system on your computer\n\
3986 was not able to keep up with %1.\n\
3987 \n\
3988 Specifically, it failed to read data from disk\n\
3989 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3990                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3991                 msg->show ();
3992         }
3993 }
3994
3995 void
3996 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3997 {
3998         have_disk_speed_dialog_displayed = false;
3999         delete msg;
4000 }
4001
4002 void
4003 ARDOUR_UI::session_dialog (std::string msg)
4004 {
4005         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4006
4007         MessageDialog* d;
4008
4009         if (editor) {
4010                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4011         } else {
4012                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4013         }
4014
4015         d->show_all ();
4016         d->run ();
4017         delete d;
4018 }
4019
4020 int
4021 ARDOUR_UI::pending_state_dialog ()
4022 {
4023         HBox* hbox = manage (new HBox());
4024         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4025         ArdourDialog dialog (_("Crash Recovery"), true);
4026         Label  message (string_compose (_("\
4027 This session appears to have been in the\n\
4028 middle of recording when %1 or\n\
4029 the computer was shutdown.\n\
4030 \n\
4031 %1 can recover any captured audio for\n\
4032 you, or it can ignore it. Please decide\n\
4033 what you would like to do.\n"), PROGRAM_NAME));
4034         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4035         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4036         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4037         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4038         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4039         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4040         dialog.set_default_response (RESPONSE_ACCEPT);
4041         dialog.set_position (WIN_POS_CENTER);
4042         message.show();
4043         image->show();
4044         hbox->show();
4045
4046         switch (dialog.run ()) {
4047         case RESPONSE_ACCEPT:
4048                 return 1;
4049         default:
4050                 return 0;
4051         }
4052 }
4053
4054 int
4055 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4056 {
4057         HBox* hbox = new HBox();
4058         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4059         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4060         Label  message (string_compose (_("\
4061 This session was created with a sample rate of %1 Hz, but\n\
4062 %2 is currently running at %3 Hz.  If you load this session,\n\
4063 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4064
4065         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4066         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4067         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4068         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4069         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4070         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4071         dialog.set_default_response (RESPONSE_ACCEPT);
4072         dialog.set_position (WIN_POS_CENTER);
4073         message.show();
4074         image->show();
4075         hbox->show();
4076
4077         switch (dialog.run()) {
4078         case RESPONSE_ACCEPT:
4079                 return 0;
4080         default:
4081                 break;
4082         }
4083
4084         return 1;
4085 }
4086
4087 int
4088 ARDOUR_UI::disconnect_from_engine ()
4089 {
4090         /* drop connection to AudioEngine::Halted so that we don't act
4091          *  as if the engine unexpectedly shut down
4092          */
4093
4094         halt_connection.disconnect ();
4095
4096         if (AudioEngine::instance()->stop ()) {
4097                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4098                 msg.run ();
4099                 return -1;
4100         } else {
4101                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4102         }
4103
4104         update_sample_rate (0);
4105         return 0;
4106 }
4107
4108 int
4109 ARDOUR_UI::reconnect_to_engine ()
4110 {
4111         if (AudioEngine::instance()->start ()) {
4112                 if (editor) {
4113                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4114                         msg.run ();
4115                 } else {
4116                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4117                         msg.run ();
4118                 }
4119                 return -1;
4120         }
4121
4122         update_sample_rate (0);
4123         return 0;
4124 }
4125
4126 void
4127 ARDOUR_UI::use_config ()
4128 {
4129         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4130         if (node) {
4131                 set_transport_controllable_state (*node);
4132         }
4133 }
4134
4135 void
4136 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4137 {
4138         if (Config->get_primary_clock_delta_edit_cursor()) {
4139                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
4140         } else {
4141                 primary_clock->set (pos);
4142         }
4143
4144         if (Config->get_secondary_clock_delta_edit_cursor()) {
4145                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
4146         } else {
4147                 secondary_clock->set (pos);
4148         }
4149
4150         if (big_clock_window) {
4151                 big_clock->set (pos);
4152         }
4153         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4154 }
4155
4156 void
4157 ARDOUR_UI::step_edit_status_change (bool yn)
4158 {
4159         // XXX should really store pre-step edit status of things
4160         // we make insensitive
4161
4162         if (yn) {
4163                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4164                 rec_button.set_sensitive (false);
4165         } else {
4166                 rec_button.unset_active_state ();;
4167                 rec_button.set_sensitive (true);
4168         }
4169 }
4170
4171 void
4172 ARDOUR_UI::record_state_changed ()
4173 {
4174         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4175
4176         if (!_session || !big_clock_window) {
4177                 /* why bother - the clock isn't visible */
4178                 return;
4179         }
4180
4181         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4182                 big_clock->set_active (true);
4183         } else {
4184                 big_clock->set_active (false);
4185         }
4186 }
4187
4188 bool
4189 ARDOUR_UI::first_idle ()
4190 {
4191         if (_session) {
4192                 _session->allow_auto_play (true);
4193         }
4194
4195         if (editor) {
4196                 editor->first_idle();
4197         }
4198
4199         Keyboard::set_can_save_keybindings (true);
4200         return false;
4201 }
4202
4203 void
4204 ARDOUR_UI::store_clock_modes ()
4205 {
4206         XMLNode* node = new XMLNode(X_("ClockModes"));
4207
4208         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4209                 XMLNode* child = new XMLNode (X_("Clock"));
4210
4211                 child->add_property (X_("name"), (*x)->name());
4212                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4213                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4214
4215                 node->add_child_nocopy (*child);
4216         }
4217
4218         _session->add_extra_xml (*node);
4219         _session->set_dirty ();
4220 }
4221
4222 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4223         : Controllable (name), ui (u), type(tp)
4224 {
4225
4226 }
4227
4228 void
4229 ARDOUR_UI::TransportControllable::set_value (double val)
4230 {
4231         if (val < 0.5) {
4232                 /* do nothing: these are radio-style actions */
4233                 return;
4234         }
4235
4236         const char *action = 0;
4237
4238         switch (type) {
4239         case Roll:
4240                 action = X_("Roll");
4241                 break;
4242         case Stop:
4243                 action = X_("Stop");
4244                 break;
4245         case GotoStart:
4246                 action = X_("GotoStart");
4247                 break;
4248         case GotoEnd:
4249                 action = X_("GotoEnd");
4250                 break;
4251         case AutoLoop:
4252                 action = X_("Loop");
4253                 break;
4254         case PlaySelection:
4255                 action = X_("PlaySelection");
4256                 break;
4257         case RecordEnable:
4258                 action = X_("Record");
4259                 break;
4260         default:
4261                 break;
4262         }
4263
4264         if (action == 0) {
4265                 return;
4266         }
4267
4268         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4269
4270         if (act) {
4271                 act->activate ();
4272         }
4273 }
4274
4275 double
4276 ARDOUR_UI::TransportControllable::get_value (void) const
4277 {
4278         float val = 0.0;
4279
4280         switch (type) {
4281         case Roll:
4282                 break;
4283         case Stop:
4284                 break;
4285         case GotoStart:
4286                 break;
4287         case GotoEnd:
4288                 break;
4289         case AutoLoop:
4290                 break;
4291         case PlaySelection:
4292                 break;
4293         case RecordEnable:
4294                 break;
4295         default:
4296                 break;
4297         }
4298
4299         return val;
4300 }
4301
4302 void
4303 ARDOUR_UI::setup_profile ()
4304 {
4305         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4306                 Profile->set_small_screen ();
4307         }
4308
4309         if (g_getenv ("ARDOUR_SAE")) {
4310                 Profile->set_sae ();
4311                 Profile->set_single_package ();
4312         }
4313
4314         if (g_getenv ("TRX")) {
4315                 Profile->set_trx ();
4316         }
4317
4318         if (g_getenv ("MIXBUS")) {
4319                 Profile->set_mixbus ();
4320         }
4321 }
4322
4323 int
4324 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4325 {
4326         MissingFileDialog dialog (s, str, type);
4327
4328         dialog.show ();
4329         dialog.present ();
4330
4331         int result = dialog.run ();
4332         dialog.hide ();
4333
4334         switch (result) {
4335         case RESPONSE_OK:
4336                 break;
4337         default:
4338                 return 1; // quit entire session load
4339         }
4340
4341         result = dialog.get_action ();
4342
4343         return result;
4344 }
4345
4346 int
4347 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4348 {
4349         AmbiguousFileDialog dialog (file, hits);
4350
4351         dialog.show ();
4352         dialog.present ();
4353
4354         dialog.run ();
4355         return dialog.get_which ();
4356 }
4357
4358 /** Allocate our thread-local buffers */
4359 void
4360 ARDOUR_UI::get_process_buffers ()
4361 {
4362         _process_thread->get_buffers ();
4363 }
4364
4365 /** Drop our thread-local buffers */
4366 void
4367 ARDOUR_UI::drop_process_buffers ()
4368 {
4369         _process_thread->drop_buffers ();
4370 }
4371
4372 void
4373 ARDOUR_UI::feedback_detected ()
4374 {
4375         _feedback_exists = true;
4376 }
4377
4378 void
4379 ARDOUR_UI::successful_graph_sort ()
4380 {
4381         _feedback_exists = false;
4382 }
4383
4384 void
4385 ARDOUR_UI::midi_panic ()
4386 {
4387         if (_session) {
4388                 _session->midi_panic();
4389         }
4390 }
4391
4392 void
4393 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4394 {
4395         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4396         const char* end_big = "</span>";
4397         const char* start_mono = "<tt>";
4398         const char* end_mono = "</tt>";
4399
4400         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4401                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4402                                              "From now on, use the -2000 version with older versions of %3"),
4403                                            xml_path, backup_path, PROGRAM_NAME,
4404                                            start_big, end_big,
4405                                            start_mono, end_mono), true);
4406
4407         msg.run ();
4408 }
4409
4410
4411 void
4412 ARDOUR_UI::reset_peak_display ()
4413 {
4414         if (!_session || !_session->master_out() || !editor_meter) return;
4415         editor_meter->clear_meters();
4416         editor_meter_max_peak = -INFINITY;
4417         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4418 }
4419
4420 void
4421 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4422 {
4423         if (!_session || !_session->master_out()) return;
4424         if (group == _session->master_out()->route_group()) {
4425                 reset_peak_display ();
4426         }
4427 }
4428
4429 void
4430 ARDOUR_UI::reset_route_peak_display (Route* route)
4431 {
4432         if (!_session || !_session->master_out()) return;
4433         if (_session->master_out().get() == route) {
4434                 reset_peak_display ();
4435         }
4436 }
4437
4438 int
4439 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4440 {
4441         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4442         audio_midi_setup->set_position (WIN_POS_CENTER);
4443
4444         switch (audio_midi_setup->run()) {
4445         case Gtk::RESPONSE_OK:
4446                 return 0;
4447         case Gtk::RESPONSE_APPLY:
4448                 return 0;
4449         default:
4450                 return -1;
4451         }
4452 }
4453
4454
4455 gint
4456 ARDOUR_UI::transport_numpad_timeout ()
4457 {
4458         _numpad_locate_happening = false;
4459         if (_numpad_timeout_connection.connected() )
4460                 _numpad_timeout_connection.disconnect();
4461         return 1;
4462 }
4463
4464 void
4465 ARDOUR_UI::transport_numpad_decimal ()
4466 {
4467         _numpad_timeout_connection.disconnect();
4468
4469         if (_numpad_locate_happening) {
4470                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4471                 _numpad_locate_happening = false;
4472         } else {
4473                 _pending_locate_num = 0;
4474                 _numpad_locate_happening = true;
4475                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4476         }
4477 }
4478
4479 void
4480 ARDOUR_UI::transport_numpad_event (int num)
4481 {
4482         if ( _numpad_locate_happening ) {
4483                 _pending_locate_num = _pending_locate_num*10 + num;
4484         } else {
4485                 switch (num) {
4486                         case 0:  toggle_roll(false, false);             break;
4487                         case 1:  transport_rewind(1);                           break;
4488                         case 2:  transport_forward(1);                          break;
4489                         case 3:  transport_record(true);                        break;
4490                         case 4:  if (_session) _session->request_play_loop(true);                                       break;
4491                         case 5:  if (_session) _session->request_play_loop(true); transport_record(false);      break;
4492                         case 6:  toggle_punch();                                                break;
4493                         case 7:  toggle_click();                                break;
4494                         case 8:  toggle_auto_return();                  break;
4495                         case 9:  toggle_follow_edits();         break;
4496                 }
4497         }
4498 }
4499
4500 void
4501 ARDOUR_UI::set_flat_buttons ()
4502 {
4503         CairoWidget::set_flat_buttons( config()->get_flat_buttons() );
4504 }