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