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