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