gtk2_ardour/ardour_ui.cc

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