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 #include "gtk2ardour-version.h"
  23 #endif
  24
  25 #include <algorithm>
  26 #include <cmath>
  27 #include <iostream>
  28 #include <cerrno>
  29 #include <fstream>
  30
  31 #ifndef PLATFORM_WINDOWS
  32 #include <sys/resource.h>
  33 #endif
  34
  35 #include <stdint.h>
  36 #include <fcntl.h>
  37 #include <signal.h>
  38 #include <unistd.h>
  39 #include <time.h>
  40
  41 #include <glib.h>
  42 #include <glib/gstdio.h>
  43
  44 #include <gtkmm/messagedialog.h>
  45 #include <gtkmm/accelmap.h>
  46
  47 #include "pbd/error.h"
  48 #include "pbd/basename.h"
  49 #include "pbd/compose.h"
  50 #include "pbd/failed_constructor.h"
  51 #include "pbd/enumwriter.h"
  52 #include "pbd/memento_command.h"
  53 #include "pbd/openuri.h"
  54 #include "pbd/stl_delete.h"
  55 #include "pbd/file_utils.h"
  56 #include "pbd/localtime_r.h"
  57 #include "pbd/pthread_utils.h"
  58
  59 #include "gtkmm2ext/application.h"
  60 #include "gtkmm2ext/bindings.h"
  61 #include "gtkmm2ext/gtk_ui.h"
  62 #include "gtkmm2ext/utils.h"
  63 #include "gtkmm2ext/click_box.h"
  64 #include "gtkmm2ext/fastmeter.h"
  65 #include "gtkmm2ext/popup.h"
  66 #include "gtkmm2ext/window_title.h"
  67
  68 #include "ardour/ardour.h"
  69 #include "ardour/audio_backend.h"
  70 #include "ardour/audioengine.h"
  71 #include "ardour/audiofilesource.h"
  72 #include "ardour/automation_watch.h"
  73 #include "ardour/diskstream.h"
  74 #include "ardour/filename_extensions.h"
  75 #include "ardour/filesystem_paths.h"
  76 #include "ardour/port.h"
  77 #include "ardour/plugin_manager.h"
  78 #include "ardour/process_thread.h"
  79 #include "ardour/profile.h"
  80 #include "ardour/recent_sessions.h"
  81 #include "ardour/session_directory.h"
  82 #include "ardour/session_route.h"
  83 #include "ardour/session_state_utils.h"
  84 #include "ardour/session_utils.h"
  85 #include "ardour/slave.h"
  86 #include "ardour/system_exec.h"
  87
  88 #ifdef WINDOWS_VST_SUPPORT
  89 #include <fst.h>
  90 #endif
  91
  92 #include "timecode/time.h"
  93
  94 typedef uint64_t microseconds_t;
  95
  96 #include "about.h"
  97 #include "actions.h"
  98 #include "add_route_dialog.h"
  99 #include "ambiguous_file_dialog.h"
 100 #include "ardour_ui.h"
 101 #include "audio_clock.h"
 102 #include "big_clock_window.h"
 103 #include "bundle_manager.h"
 104 #include "engine_dialog.h"
 105 #include "gain_meter.h"
 106 #include "global_port_matrix.h"
 107 #include "gui_object.h"
 108 #include "gui_thread.h"
 109 #include "keyboard.h"
 110 #include "keyeditor.h"
 111 #include "location_ui.h"
 112 #include "main_clock.h"
 113 #include "missing_file_dialog.h"
 114 #include "missing_plugin_dialog.h"
 115 #include "mixer_ui.h"
 116 #include "mouse_cursors.h"
 117 #include "nsm.h"
 118 #include "opts.h"
 119 #include "pingback.h"
 120 #include "processor_box.h"
 121 #include "prompter.h"
 122 #include "public_editor.h"
 123 #include "rc_option_editor.h"
 124 #include "route_time_axis.h"
 125 #include "route_params_ui.h"
 126 #include "session_dialog.h"
 127 #include "session_metadata_dialog.h"
 128 #include "session_option_editor.h"
 129 #include "shuttle_control.h"
 130 #include "speaker_dialog.h"
 131 #include "splash.h"
 132 #include "startup.h"
 133 #include "theme_manager.h"
 134 #include "time_axis_view_item.h"
 135 #include "utils.h"
 136 #include "video_server_dialog.h"
 137 #include "add_video_dialog.h"
 138 #include "transcode_video_dialog.h"
 139
 140 #include "i18n.h"
 141
 142 using namespace ARDOUR;
 143 using namespace ARDOUR_UI_UTILS;
 144 using namespace PBD;
 145 using namespace Gtkmm2ext;
 146 using namespace Gtk;
 147 using namespace std;
 148
 149 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 150 UIConfiguration *ARDOUR_UI::ui_config = 0;
 151
 152 sigc::signal<void,bool> ARDOUR_UI::Blink;
 153 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 154 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 155 sigc::signal<void>      ARDOUR_UI::FPSUpdate;
 156 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 157 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 158
 159 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 160
 161         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 162
 163         , gui_object_state (new GUIObjectState)
 164
 165         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 166         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 167
 168           /* big clock */
 169
 170         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 171         , video_timeline(0)
 172
 173           /* start of private members */
 174
 175         , nsm (0)
 176         , _was_dirty (false)
 177         , _mixer_on_top (false)
 178         , first_time_engine_run (true)
 179         , blink_timeout_tag (-1)
 180
 181           /* transport */
 182
 183         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 184         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 185         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 186         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 187         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 188         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 189         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 190
 191         , auto_return_button (ArdourButton::led_default_elements)
 192         , follow_edits_button (ArdourButton::led_default_elements)
 193         , auto_input_button (ArdourButton::led_default_elements)
 194
 195         , auditioning_alert_button (_("Audition"))
 196         , solo_alert_button (_("Solo"))
 197         , feedback_alert_button (_("Feedback"))
 198
 199         , editor_meter(0)
 200         , editor_meter_peak_display()
 201
 202         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 203         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 204         , key_editor (X_("key-editor"), _("Key Bindings"))
 205         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 206         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 207         , about (X_("about"), _("About"))
 208         , location_ui (X_("locations"), _("Locations"))
 209         , route_params (X_("inspector"), _("Tracks and Busses"))
 210         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 211         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 212         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 213         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 214         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 215         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 216         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 217
 218         , error_log_button (_("Errors"))
 219
 220         , _status_bar_visibility (X_("status-bar"))
 221         , _feedback_exists (false)
 222 {
 223         Gtkmm2ext::init(localedir);
 224
 225         splash = 0;
 226
 227         _numpad_locate_happening = false;
 228
 229         if (theArdourUI == 0) {
 230                 theArdourUI = this;
 231         }
 232
 233         ui_config = new UIConfiguration();
 234
 235         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 236         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 237         ui_config->map_parameters (pc);
 238
 239         editor = 0;
 240         mixer = 0;
 241         meterbridge = 0;
 242         editor = 0;
 243         _session_is_new = false;
 244         session_selector_window = 0;
 245         last_key_press_time = 0;
 246         video_server_process = 0;
 247         open_session_selector = 0;
 248         have_configure_timeout = false;
 249         have_disk_speed_dialog_displayed = false;
 250         session_loaded = false;
 251         ignore_dual_punch = false;
 252
 253         roll_button.set_controllable (roll_controllable);
 254         stop_button.set_controllable (stop_controllable);
 255         goto_start_button.set_controllable (goto_start_controllable);
 256         goto_end_button.set_controllable (goto_end_controllable);
 257         auto_loop_button.set_controllable (auto_loop_controllable);
 258         play_selection_button.set_controllable (play_selection_controllable);
 259         rec_button.set_controllable (rec_controllable);
 260
 261         roll_button.set_name ("transport button");
 262         stop_button.set_name ("transport button");
 263         goto_start_button.set_name ("transport button");
 264         goto_end_button.set_name ("transport button");
 265         auto_loop_button.set_name ("transport button");
 266         play_selection_button.set_name ("transport button");
 267         rec_button.set_name ("transport recenable button");
 268         midi_panic_button.set_name ("transport button");
 269
 270         last_configure_time= 0;
 271         last_peak_grab = 0;
 272
 273         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 274         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 275
 276         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 277
 278         /* handle dialog requests */
 279
 280         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 281
 282         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 283
 284         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 285
 286         /* handle Audio/MIDI setup when session requires it */
 287
 288         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 289
 290         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 291
 292         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 293
 294         /* handle requests to quit (coming from JACK session) */
 295
 296         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 297
 298         /* tell the user about feedback */
 299
 300         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 301         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 302
 303         /* handle requests to deal with missing files */
 304
 305         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 306
 307         /* and ambiguous files */
 308
 309         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 310
 311         /* also plugin scan messages */
 312         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 313         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 314
 315         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 316
 317         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 318         set_flat_buttons();
 319
 320         /* lets get this party started */
 321
 322         setup_gtk_ardour_enums ();
 323         setup_profile ();
 324
 325         SessionEvent::create_per_thread_pool ("GUI", 512);
 326
 327         /* we like keyboards */
 328
 329         keyboard = new ArdourKeyboard(*this);
 330
 331         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 332         if (node) {
 333                 keyboard->set_state (*node, Stateful::loading_state_version);
 334         }
 335
 336         /* we don't like certain modifiers */
 337         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 338
 339         reset_dpi();
 340
 341         TimeAxisViewItem::set_constant_heights ();
 342
 343         /* Set this up so that our window proxies can register actions */
 344
 345         ActionManager::init ();
 346
 347         /* The following must happen after ARDOUR::init() so that Config is set up */
 348
 349         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 350
 351         if (ui_xml) {
 352                 theme_manager.set_state (*ui_xml);
 353                 key_editor.set_state (*ui_xml);
 354                 rc_option_editor.set_state (*ui_xml);
 355                 session_option_editor.set_state (*ui_xml);
 356                 speaker_config_window.set_state (*ui_xml);
 357                 about.set_state (*ui_xml);
 358                 add_route_dialog.set_state (*ui_xml);
 359                 add_video_dialog.set_state (*ui_xml);
 360                 route_params.set_state (*ui_xml);
 361                 bundle_manager.set_state (*ui_xml);
 362                 location_ui.set_state (*ui_xml);
 363                 big_clock_window.set_state (*ui_xml);
 364                 audio_port_matrix.set_state (*ui_xml);
 365                 midi_port_matrix.set_state (*ui_xml);
 366         }
 367
 368         WM::Manager::instance().register_window (&theme_manager);
 369         WM::Manager::instance().register_window (&key_editor);
 370         WM::Manager::instance().register_window (&rc_option_editor);
 371         WM::Manager::instance().register_window (&session_option_editor);
 372         WM::Manager::instance().register_window (&speaker_config_window);
 373         WM::Manager::instance().register_window (&about);
 374         WM::Manager::instance().register_window (&add_route_dialog);
 375         WM::Manager::instance().register_window (&add_video_dialog);
 376         WM::Manager::instance().register_window (&route_params);
 377         WM::Manager::instance().register_window (&audio_midi_setup);
 378         WM::Manager::instance().register_window (&bundle_manager);
 379         WM::Manager::instance().register_window (&location_ui);
 380         WM::Manager::instance().register_window (&big_clock_window);
 381         WM::Manager::instance().register_window (&audio_port_matrix);
 382         WM::Manager::instance().register_window (&midi_port_matrix);
 383
 384         /* We need to instantiate the theme manager because it loads our
 385            theme files. This should really change so that its window
 386            and its functionality are separate
 387         */
 388
 389         (void) theme_manager.get (true);
 390
 391         _process_thread = new ProcessThread ();
 392         _process_thread->init ();
 393
 394         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 395
 396         attach_to_engine ();
 397 }
 398
 399 GlobalPortMatrixWindow*
 400 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 401 {
 402         if (!_session) {
 403                 return 0;
 404         }
 405         return new GlobalPortMatrixWindow (_session, type);
 406 }
 407
 408 void
 409 ARDOUR_UI::attach_to_engine ()
 410 {
 411         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 412         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 413 }
 414
 415 void
 416 ARDOUR_UI::engine_stopped ()
 417 {
 418         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 419         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 420         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 421 }
 422
 423 void
 424 ARDOUR_UI::engine_running ()
 425 {
 426         if (first_time_engine_run) {
 427                 post_engine();
 428                 first_time_engine_run = false;
 429         }
 430
 431         update_disk_space ();
 432         update_cpu_load ();
 433         update_sample_rate (AudioEngine::instance()->sample_rate());
 434         update_timecode_format ();
 435 }
 436
 437 void
 438 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 439 {
 440         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 441                 /* we can't rely on the original string continuing to exist when we are called
 442                    again in the GUI thread, so make a copy and note that we need to
 443                    free it later.
 444                 */
 445                 char *copy = strdup (reason);
 446                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 447                 return;
 448         }
 449
 450         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 451         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 452
 453         update_sample_rate (0);
 454
 455         string msgstr;
 456
 457         /* if the reason is a non-empty string, it means that the backend was shutdown
 458            rather than just Ardour.
 459         */
 460
 461         if (strlen (reason)) {
 462                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 463         } else {
 464                 msgstr = string_compose (_("\
 465 The audio backend has either been shutdown or it\n\
 466 disconnected %1 because %1\n\
 467 was not fast enough. Try to restart\n\
 468 the audio backend and save the session."), PROGRAM_NAME);
 469         }
 470
 471         MessageDialog msg (*editor, msgstr);
 472         pop_back_splash (msg);
 473         msg.set_keep_above (true);
 474         msg.run ();
 475
 476         if (free_reason) {
 477                 free (const_cast<char*> (reason));
 478         }
 479 }
 480
 481 void
 482 ARDOUR_UI::post_engine ()
 483 {
 484         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 485          */
 486
 487         ARDOUR::init_post_engine ();
 488
 489         /* connect to important signals */
 490
 491         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 492         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 493         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 494
 495         _tooltips.enable();
 496
 497         if (setup_windows ()) {
 498                 throw failed_constructor ();
 499         }
 500
 501         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 502         XMLNode* n = Config->extra_xml (X_("UI"));
 503         if (n) {
 504                 _status_bar_visibility.set_state (*n);
 505         }
 506
 507         check_memory_locking();
 508
 509         /* this is the first point at which all the keybindings are available */
 510
 511         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 512                 vector<string> names;
 513                 vector<string> paths;
 514                 vector<string> tooltips;
 515                 vector<string> keys;
 516                 vector<AccelKey> bindings;
 517
 518                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 519
 520                 vector<string>::iterator n;
 521                 vector<string>::iterator k;
 522                 vector<string>::iterator p;
 523                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 524                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 525                 }
 526
 527                 halt_connection.disconnect ();
 528                 AudioEngine::instance()->stop ();
 529                 exit (0);
 530         }
 531
 532         blink_timeout_tag = -1;
 533
 534         /* this being a GUI and all, we want peakfiles */
 535
 536         AudioFileSource::set_build_peakfiles (true);
 537         AudioFileSource::set_build_missing_peakfiles (true);
 538
 539         /* set default clock modes */
 540
 541         if (Profile->get_sae()) {
 542                 primary_clock->set_mode (AudioClock::BBT);
 543                 secondary_clock->set_mode (AudioClock::MinSec);
 544         }  else {
 545                 primary_clock->set_mode (AudioClock::Timecode);
 546                 secondary_clock->set_mode (AudioClock::BBT);
 547         }
 548
 549         /* start the time-of-day-clock */
 550
 551 #ifndef GTKOSX
 552         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 553         update_wall_clock ();
 554         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 555 #endif
 556
 557         {
 558                 DisplaySuspender ds;
 559                 Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 560                 boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 561                 Config->map_parameters (pc);
 562         }
 563 }
 564
 565 ARDOUR_UI::~ARDOUR_UI ()
 566 {
 567         if (ui_config->dirty()) {
 568                 ui_config->save_state();
 569         }
 570
 571         stop_video_server();
 572
 573         if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
 574                 // don't bother at 'real' exit. the OS cleans up for us.
 575                 delete big_clock;
 576                 delete primary_clock;
 577                 delete secondary_clock;
 578                 delete _process_thread;
 579                 delete gui_object_state;
 580                 FastMeter::flush_pattern_cache ();
 581         }
 582 }
 583
 584 void
 585 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 586 {
 587         if (Splash::instance()) {
 588                 Splash::instance()->pop_back_for (win);
 589         }
 590 }
 591
 592 gint
 593 ARDOUR_UI::configure_timeout ()
 594 {
 595         if (last_configure_time == 0) {
 596                 /* no configure events yet */
 597                 return true;
 598         }
 599
 600         /* force a gap of 0.5 seconds since the last configure event
 601          */
 602
 603         if (get_microseconds() - last_configure_time < 500000) {
 604                 return true;
 605         } else {
 606                 have_configure_timeout = false;
 607                 save_ardour_state ();
 608                 return false;
 609         }
 610 }
 611
 612 gboolean
 613 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 614 {
 615         if (have_configure_timeout) {
 616                 last_configure_time = get_microseconds();
 617         } else {
 618                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 619                 have_configure_timeout = true;
 620         }
 621
 622         return FALSE;
 623 }
 624
 625 void
 626 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 627 {
 628         const XMLProperty* prop;
 629
 630         if ((prop = node.property ("roll")) != 0) {
 631                 roll_controllable->set_id (prop->value());
 632         }
 633         if ((prop = node.property ("stop")) != 0) {
 634                 stop_controllable->set_id (prop->value());
 635         }
 636         if ((prop = node.property ("goto-start")) != 0) {
 637                 goto_start_controllable->set_id (prop->value());
 638         }
 639         if ((prop = node.property ("goto-end")) != 0) {
 640                 goto_end_controllable->set_id (prop->value());
 641         }
 642         if ((prop = node.property ("auto-loop")) != 0) {
 643                 auto_loop_controllable->set_id (prop->value());
 644         }
 645         if ((prop = node.property ("play-selection")) != 0) {
 646                 play_selection_controllable->set_id (prop->value());
 647         }
 648         if ((prop = node.property ("rec")) != 0) {
 649                 rec_controllable->set_id (prop->value());
 650         }
 651         if ((prop = node.property ("shuttle")) != 0) {
 652                 shuttle_box->controllable()->set_id (prop->value());
 653         }
 654 }
 655
 656 XMLNode&
 657 ARDOUR_UI::get_transport_controllable_state ()
 658 {
 659         XMLNode* node = new XMLNode(X_("TransportControllables"));
 660         char buf[64];
 661
 662         roll_controllable->id().print (buf, sizeof (buf));
 663         node->add_property (X_("roll"), buf);
 664         stop_controllable->id().print (buf, sizeof (buf));
 665         node->add_property (X_("stop"), buf);
 666         goto_start_controllable->id().print (buf, sizeof (buf));
 667         node->add_property (X_("goto_start"), buf);
 668         goto_end_controllable->id().print (buf, sizeof (buf));
 669         node->add_property (X_("goto_end"), buf);
 670         auto_loop_controllable->id().print (buf, sizeof (buf));
 671         node->add_property (X_("auto_loop"), buf);
 672         play_selection_controllable->id().print (buf, sizeof (buf));
 673         node->add_property (X_("play_selection"), buf);
 674         rec_controllable->id().print (buf, sizeof (buf));
 675         node->add_property (X_("rec"), buf);
 676         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 677         node->add_property (X_("shuttle"), buf);
 678
 679         return *node;
 680 }
 681
 682
 683 gint
 684 ARDOUR_UI::autosave_session ()
 685 {
 686         if (g_main_depth() > 1) {
 687                 /* inside a recursive main loop,
 688                    give up because we may not be able to
 689                    take a lock.
 690                 */
 691                 return 1;
 692         }
 693
 694         if (!Config->get_periodic_safety_backups()) {
 695                 return 1;
 696         }
 697
 698         if (_session) {
 699                 _session->maybe_write_autosave();
 700         }
 701
 702         return 1;
 703 }
 704
 705 void
 706 ARDOUR_UI::update_autosave ()
 707 {
 708         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 709
 710         if (_session && _session->dirty()) {
 711                 if (_autosave_connection.connected()) {
 712                         _autosave_connection.disconnect();
 713                 }
 714
 715                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 716                                 Config->get_periodic_safety_backup_interval() * 1000);
 717
 718         } else {
 719                 if (_autosave_connection.connected()) {
 720                         _autosave_connection.disconnect();
 721                 }
 722         }
 723 }
 724
 725 void
 726 ARDOUR_UI::check_announcements ()
 727 {
 728 #ifdef PHONE_HOME
 729         string _annc_filename;
 730
 731 #ifdef __APPLE__
 732         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 733 #else
 734         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 735 #endif
 736         _annc_filename.append (VERSIONSTRING);
 737
 738         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 739         std::ifstream announce_file (path.c_str());
 740         if ( announce_file.fail() )
 741                 _announce_string = "";
 742         else {
 743                 std::stringstream oss;
 744                 oss << announce_file.rdbuf();
 745                 _announce_string = oss.str();
 746         }
 747
 748         pingback (VERSIONSTRING, path);
 749 #endif
 750 }
 751
 752 int
 753 ARDOUR_UI::starting ()
 754 {
 755         Application* app = Application::instance ();
 756         const char *nsm_url;
 757         bool brand_new_user = ArdourStartup::required ();
 758
 759         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 760         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 761
 762         if (ARDOUR_COMMAND_LINE::check_announcements) {
 763                 check_announcements ();
 764         }
 765
 766         app->ready ();
 767
 768         /* we need to create this early because it may need to set the
 769          *  audio backend end up.
 770          */
 771
 772         try {
 773                 audio_midi_setup.get (true);
 774         } catch (...) {
 775                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 776                 return -1;
 777         }
 778
 779         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 780                 nsm = new NSM_Client;
 781                 if (!nsm->init (nsm_url)) {
 782                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 783
 784                         unsigned int i = 0;
 785                         // wait for announce reply from nsm server
 786                         for ( i = 0; i < 5000; ++i) {
 787                                 nsm->check ();
 788
 789                                 Glib::usleep (i);
 790                                 if (nsm->is_active()) {
 791                                         break;
 792                                 }
 793                         }
 794                         if (i == 5000) {
 795                                 error << _("NSM server did not announce itself") << endmsg;
 796                                 return -1;
 797                         }
 798                         // wait for open command from nsm server
 799                         for ( i = 0; i < 5000; ++i) {
 800                                 nsm->check ();
 801                                 Glib::usleep (1000);
 802                                 if (nsm->client_id ()) {
 803                                         break;
 804                                 }
 805                         }
 806
 807                         if (i == 5000) {
 808                                 error << _("NSM: no client ID provided") << endmsg;
 809                                 return -1;
 810                         }
 811
 812                         if (_session && nsm) {
 813                                 _session->set_nsm_state( nsm->is_active() );
 814                         } else {
 815                                 error << _("NSM: no session created") << endmsg;
 816                                 return -1;
 817                         }
 818
 819                         // nsm requires these actions disabled
 820                         vector<string> action_names;
 821                         action_names.push_back("SaveAs");
 822                         action_names.push_back("Rename");
 823                         action_names.push_back("New");
 824                         action_names.push_back("Open");
 825                         action_names.push_back("Recent");
 826                         action_names.push_back("Close");
 827
 828                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 829                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 830                                 if (act) {
 831                                         act->set_sensitive (false);
 832                                 }
 833                         }
 834
 835                 } else {
 836                         delete nsm;
 837                         nsm = 0;
 838                         error << _("NSM: initialization failed") << endmsg;
 839                         return -1;
 840                 }
 841
 842         } else  {
 843
 844                 if (brand_new_user) {
 845                         ArdourStartup s;
 846                         s.present ();
 847                         main().run();
 848                         s.hide ();
 849                         switch (s.response ()) {
 850                         case Gtk::RESPONSE_OK:
 851                                 break;
 852                         default:
 853                                 return -1;
 854                         }
 855                 }
 856
 857                 /* go get a session */
 858
 859                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 860
 861                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 862                         std::cerr << "Cannot get session parameters."<< std::endl;
 863                         return -1;
 864                 }
 865         }
 866
 867         use_config ();
 868
 869         goto_editor_window ();
 870
 871         WM::Manager::instance().show_visible ();
 872
 873         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 874          * editor window, and we may want stuff to be hidden.
 875          */
 876         _status_bar_visibility.update ();
 877
 878         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 879         return 0;
 880 }
 881
 882 void
 883 ARDOUR_UI::check_memory_locking ()
 884 {
 885 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
 886         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 887         return;
 888 #else // !__APPLE__
 889
 890         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 891
 892         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 893
 894                 struct rlimit limits;
 895                 int64_t ram;
 896                 long pages, page_size;
 897 #ifdef __FreeBSD__
 898                 size_t pages_len=sizeof(pages);
 899                 if ((page_size = getpagesize()) < 0 ||
 900                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 901 #else
 902                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 903 #endif
 904                 {
 905                         ram = 0;
 906                 } else {
 907                         ram = (int64_t) pages * (int64_t) page_size;
 908                 }
 909
 910                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 911                         return;
 912                 }
 913
 914                 if (limits.rlim_cur != RLIM_INFINITY) {
 915
 916                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 917
 918                                 MessageDialog msg (
 919                                         string_compose (
 920                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 921                                                   "This might cause %1 to run out of memory before your system "
 922                                                   "runs out of memory. \n\n"
 923                                                   "You can view the memory limit with 'ulimit -l', "
 924                                                   "and it is normally controlled by %2"),
 925                                                 PROGRAM_NAME,
 926 #ifdef __FreeBSD__
 927                                                 X_("/etc/login.conf")
 928 #else
 929                                                 X_(" /etc/security/limits.conf")
 930 #endif
 931                                         ).c_str());
 932
 933                                 msg.set_default_response (RESPONSE_OK);
 934
 935                                 VBox* vbox = msg.get_vbox();
 936                                 HBox hbox;
 937                                 CheckButton cb (_("Do not show this window again"));
 938                                 hbox.pack_start (cb, true, false);
 939                                 vbox->pack_start (hbox);
 940                                 cb.show();
 941                                 vbox->show();
 942                                 hbox.show ();
 943
 944                                 pop_back_splash (msg);
 945
 946                                 editor->ensure_float (msg);
 947                                 msg.run ();
 948
 949                                 if (cb.get_active()) {
 950                                         XMLNode node (X_("no-memory-warning"));
 951                                         Config->add_instant_xml (node);
 952                                 }
 953                         }
 954                 }
 955         }
 956 #endif // !__APPLE__
 957 }
 958
 959
 960 void
 961 ARDOUR_UI::queue_finish ()
 962 {
 963         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 964 }
 965
 966 bool
 967 ARDOUR_UI::idle_finish ()
 968 {
 969         finish ();
 970         return false; /* do not call again */
 971 }
 972
 973 void
 974 ARDOUR_UI::finish()
 975 {
 976         if (_session) {
 977                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 978
 979                 if (_session->dirty()) {
 980                         vector<string> actions;
 981                         actions.push_back (_("Don't quit"));
 982                         actions.push_back (_("Just quit"));
 983                         actions.push_back (_("Save and quit"));
 984                         switch (ask_about_saving_session(actions)) {
 985                         case -1:
 986                                 return;
 987                                 break;
 988                         case 1:
 989                                 /* use the default name */
 990                                 if (save_state_canfail ("")) {
 991                                         /* failed - don't quit */
 992                                         MessageDialog msg (*editor,
 993                                                            string_compose (_("\
 994 %1 was unable to save your session.\n\n\
 995 If you still wish to quit, please use the\n\n\
 996 \"Just quit\" option."), PROGRAM_NAME));
 997                                         pop_back_splash(msg);
 998                                         msg.run ();
 999                                         return;
1000                                 }
1001                                 break;
1002                         case 0:
1003                                 break;
1004                         }
1005                 }
1006
1007                 second_connection.disconnect ();
1008                 point_one_second_connection.disconnect ();
1009                 point_zero_something_second_connection.disconnect();
1010                 fps_connection.disconnect();
1011         }
1012
1013         delete ARDOUR_UI::instance()->video_timeline;
1014         ARDOUR_UI::instance()->video_timeline = NULL;
1015         stop_video_server();
1016
1017         /* Save state before deleting the session, as that causes some
1018            windows to be destroyed before their visible state can be
1019            saved.
1020         */
1021         save_ardour_state ();
1022
1023         close_all_dialogs ();
1024
1025         if (_session) {
1026                 // _session->set_deletion_in_progress ();
1027                 _session->set_clean ();
1028                 _session->remove_pending_capture_state ();
1029                 delete _session;
1030                 _session = 0;
1031         }
1032
1033         halt_connection.disconnect ();
1034         AudioEngine::instance()->stop ();
1035 #ifdef WINDOWS_VST_SUPPORT
1036         fst_stop_threading();
1037 #endif
1038         quit ();
1039 }
1040
1041 int
1042 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1043 {
1044         ArdourDialog window (_("Unsaved Session"));
1045         Gtk::HBox dhbox;  // the hbox for the image and text
1046         Gtk::Label  prompt_label;
1047         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1048
1049         string msg;
1050
1051         assert (actions.size() >= 3);
1052
1053         window.add_button (actions[0], RESPONSE_REJECT);
1054         window.add_button (actions[1], RESPONSE_APPLY);
1055         window.add_button (actions[2], RESPONSE_ACCEPT);
1056
1057         window.set_default_response (RESPONSE_ACCEPT);
1058
1059         Gtk::Button noquit_button (msg);
1060         noquit_button.set_name ("EditorGTKButton");
1061
1062         string prompt;
1063
1064         if (_session->snap_name() == _session->name()) {
1065                 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?"),
1066                                         _session->snap_name());
1067         } else {
1068                 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?"),
1069                                         _session->snap_name());
1070         }
1071
1072         prompt_label.set_text (prompt);
1073         prompt_label.set_name (X_("PrompterLabel"));
1074         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1075
1076         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1077         dhbox.set_homogeneous (false);
1078         dhbox.pack_start (*dimage, false, false, 5);
1079         dhbox.pack_start (prompt_label, true, false, 5);
1080         window.get_vbox()->pack_start (dhbox);
1081
1082         window.set_name (_("Prompter"));
1083         window.set_modal (true);
1084         window.set_resizable (false);
1085
1086         dhbox.show();
1087         prompt_label.show();
1088         dimage->show();
1089         window.show();
1090         window.set_keep_above (true);
1091         window.present ();
1092
1093         ResponseType r = (ResponseType) window.run();
1094
1095         window.hide ();
1096
1097         switch (r) {
1098         case RESPONSE_ACCEPT: // save and get out of here
1099                 return 1;
1100         case RESPONSE_APPLY:  // get out of here
1101                 return 0;
1102         default:
1103                 break;
1104         }
1105
1106         return -1;
1107 }
1108
1109
1110 gint
1111 ARDOUR_UI::every_second ()
1112 {
1113         update_cpu_load ();
1114         update_buffer_load ();
1115         update_disk_space ();
1116         update_timecode_format ();
1117
1118         if (nsm && nsm->is_active ()) {
1119                 nsm->check ();
1120
1121                 if (!_was_dirty && _session->dirty ()) {
1122                         nsm->is_dirty ();
1123                         _was_dirty = true;
1124                 }
1125                 else if (_was_dirty && !_session->dirty ()){
1126                         nsm->is_clean ();
1127                         _was_dirty = false;
1128                 }
1129         }
1130         return TRUE;
1131 }
1132
1133 gint
1134 ARDOUR_UI::every_point_one_seconds ()
1135 {
1136         shuttle_box->update_speed_display ();
1137         RapidScreenUpdate(); /* EMIT_SIGNAL */
1138         return TRUE;
1139 }
1140
1141 gint
1142 ARDOUR_UI::every_point_zero_something_seconds ()
1143 {
1144         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1145
1146         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1147         if (editor_meter && Config->get_show_editor_meter()) {
1148                 float mpeak = editor_meter->update_meters();
1149                 if (mpeak > editor_meter_max_peak) {
1150                         if (mpeak >= Config->get_meter_peak()) {
1151                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1152                         }
1153                 }
1154         }
1155         return TRUE;
1156 }
1157
1158 gint
1159 ARDOUR_UI::every_fps ()
1160 {
1161         FPSUpdate(); /* EMIT_SIGNAL */
1162         return TRUE;
1163 }
1164
1165 void
1166 ARDOUR_UI::set_fps_timeout_connection ()
1167 {
1168         unsigned int interval = 40;
1169         if (!_session) return;
1170         if (_session->timecode_frames_per_second() != 0) {
1171                 /* ideally we'll use a select() to sleep and not accumulate
1172                  * idle time to provide a regular periodic signal.
1173                  * See linux_vst_gui_support.cc 'elapsed_time_ms'.
1174                  * However, that'll require a dedicated thread and cross-thread
1175                  * signals to the GUI Thread..
1176                  */
1177                 interval = floor(500. /* update twice per FPS, since Glib::signal_timeout is very irregular */
1178                                 * _session->frame_rate() / _session->nominal_frame_rate()
1179                                 / _session->timecode_frames_per_second()
1180                                 );
1181                 interval = std::max(8u, interval); // at most 120Hz.
1182         }
1183         fps_connection.disconnect();
1184         fps_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::every_fps), interval);
1185 }
1186
1187 void
1188 ARDOUR_UI::update_sample_rate (framecnt_t)
1189 {
1190         char buf[64];
1191
1192         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1193
1194         if (!AudioEngine::instance()->connected()) {
1195
1196                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1197
1198         } else {
1199
1200                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1201
1202                 if (rate == 0) {
1203                         /* no sample rate available */
1204                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1205                 } else {
1206
1207                         if (fmod (rate, 1000.0) != 0.0) {
1208                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1209                                           (float) rate / 1000.0f,
1210                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1211                         } else {
1212                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1213                                           rate/1000,
1214                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1215                         }
1216                 }
1217         }
1218         sample_rate_label.set_markup (buf);
1219 }
1220
1221 void
1222 ARDOUR_UI::update_format ()
1223 {
1224         if (!_session) {
1225                 format_label.set_text ("");
1226                 return;
1227         }
1228
1229         stringstream s;
1230         s << _("File:") << X_(" <span foreground=\"green\">");
1231
1232         switch (_session->config.get_native_file_header_format ()) {
1233         case BWF:
1234                 s << _("BWF");
1235                 break;
1236         case WAVE:
1237                 s << _("WAV");
1238                 break;
1239         case WAVE64:
1240                 s << _("WAV64");
1241                 break;
1242         case CAF:
1243                 s << _("CAF");
1244                 break;
1245         case AIFF:
1246                 s << _("AIFF");
1247                 break;
1248         case iXML:
1249                 s << _("iXML");
1250                 break;
1251         case RF64:
1252                 s << _("RF64");
1253                 break;
1254         }
1255
1256         s << " ";
1257
1258         switch (_session->config.get_native_file_data_format ()) {
1259         case FormatFloat:
1260                 s << _("32-float");
1261                 break;
1262         case FormatInt24:
1263                 s << _("24-int");
1264                 break;
1265         case FormatInt16:
1266                 s << _("16-int");
1267                 break;
1268         }
1269
1270         s << X_("</span>");
1271
1272         format_label.set_markup (s.str ());
1273 }
1274
1275 void
1276 ARDOUR_UI::update_cpu_load ()
1277 {
1278         char buf[64];
1279
1280         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1281            should also be changed.
1282         */
1283
1284         float const c = AudioEngine::instance()->get_dsp_load ();
1285         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1286         cpu_load_label.set_markup (buf);
1287 }
1288
1289 void
1290 ARDOUR_UI::update_buffer_load ()
1291 {
1292         char buf[256];
1293
1294         uint32_t const playback = _session ? _session->playback_load () : 100;
1295         uint32_t const capture = _session ? _session->capture_load () : 100;
1296
1297         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1298            should also be changed.
1299         */
1300
1301         if (_session) {
1302                 snprintf (
1303                         buf, sizeof (buf),
1304                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1305                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1306                         playback <= 5 ? X_("red") : X_("green"),
1307                         playback,
1308                         capture <= 5 ? X_("red") : X_("green"),
1309                         capture
1310                         );
1311
1312                 buffer_load_label.set_markup (buf);
1313         } else {
1314                 buffer_load_label.set_text ("");
1315         }
1316 }
1317
1318 void
1319 ARDOUR_UI::count_recenabled_streams (Route& route)
1320 {
1321         Track* track = dynamic_cast<Track*>(&route);
1322         if (track && track->record_enabled()) {
1323                 rec_enabled_streams += track->n_inputs().n_total();
1324         }
1325 }
1326
1327 void
1328 ARDOUR_UI::update_disk_space()
1329 {
1330         if (_session == 0) {
1331                 return;
1332         }
1333
1334         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1335         char buf[64];
1336         framecnt_t fr = _session->frame_rate();
1337
1338         if (fr == 0) {
1339                 /* skip update - no SR available */
1340                 return;
1341         }
1342
1343         if (!opt_frames) {
1344                 /* Available space is unknown */
1345                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1346         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1347                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1348         } else {
1349                 rec_enabled_streams = 0;
1350                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1351
1352                 framecnt_t frames = opt_frames.get_value_or (0);
1353
1354                 if (rec_enabled_streams) {
1355                         frames /= rec_enabled_streams;
1356                 }
1357
1358                 int hrs;
1359                 int mins;
1360                 int secs;
1361
1362                 hrs  = frames / (fr * 3600);
1363
1364                 if (hrs > 24) {
1365                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1366                 } else {
1367                         frames -= hrs * fr * 3600;
1368                         mins = frames / (fr * 60);
1369                         frames -= mins * fr * 60;
1370                         secs = frames / fr;
1371
1372                         bool const low = (hrs == 0 && mins <= 30);
1373
1374                         snprintf (
1375                                 buf, sizeof(buf),
1376                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1377                                 low ? X_("red") : X_("green"),
1378                                 hrs, mins, secs
1379                                 );
1380                 }
1381         }
1382
1383         disk_space_label.set_markup (buf);
1384 }
1385
1386 void
1387 ARDOUR_UI::update_timecode_format ()
1388 {
1389         char buf[64];
1390
1391         if (_session) {
1392                 bool matching;
1393                 TimecodeSlave* tcslave;
1394                 SyncSource sync_src = Config->get_sync_source();
1395
1396                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1397                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1398                 } else {
1399                         matching = true;
1400                 }
1401
1402                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1403                           matching ? X_("green") : X_("red"),
1404                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1405         } else {
1406                 snprintf (buf, sizeof (buf), "TC: n/a");
1407         }
1408
1409         timecode_format_label.set_markup (buf);
1410 }
1411
1412 gint
1413 ARDOUR_UI::update_wall_clock ()
1414 {
1415         time_t now;
1416         struct tm *tm_now;
1417         static int last_min = -1;
1418
1419         time (&now);
1420         tm_now = localtime (&now);
1421         if (last_min != tm_now->tm_min) {
1422                 char buf[16];
1423                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1424                 wall_clock_label.set_text (buf);
1425                 last_min = tm_now->tm_min;
1426         }
1427
1428         return TRUE;
1429 }
1430
1431 void
1432 ARDOUR_UI::redisplay_recent_sessions ()
1433 {
1434         std::vector<std::string> session_directories;
1435         RecentSessionsSorter cmp;
1436
1437         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1438         recent_session_model->clear ();
1439
1440         ARDOUR::RecentSessions rs;
1441         ARDOUR::read_recent_sessions (rs);
1442
1443         if (rs.empty()) {
1444                 recent_session_display.set_model (recent_session_model);
1445                 return;
1446         }
1447
1448         // sort them alphabetically
1449         sort (rs.begin(), rs.end(), cmp);
1450
1451         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1452                 session_directories.push_back ((*i).second);
1453         }
1454
1455         for (vector<std::string>::const_iterator i = session_directories.begin();
1456                         i != session_directories.end(); ++i)
1457         {
1458                 std::vector<std::string> state_file_paths;
1459
1460                 // now get available states for this session
1461
1462                 get_state_files_in_directory (*i, state_file_paths);
1463
1464                 vector<string> states;
1465                 vector<const gchar*> item;
1466                 string fullpath = *i;
1467
1468                 /* remove any trailing / */
1469
1470                 if (fullpath[fullpath.length() - 1] == '/') {
1471                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1472                 }
1473
1474                 /* check whether session still exists */
1475                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1476                         /* session doesn't exist */
1477                         continue;
1478                 }
1479
1480                 /* now get available states for this session */
1481                 states = Session::possible_states (fullpath);
1482
1483                 if (states.empty()) {
1484                         /* no state file? */
1485                         continue;
1486                 }
1487
1488                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1489
1490                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1491
1492                 row[recent_session_columns.fullpath] = fullpath;
1493                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1494
1495                 if (state_file_names.size() > 1) {
1496                         // multiple session files in the session directory - show the directory name.
1497                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1498
1499                         // add the children
1500                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1501                                         i2 != state_file_names.end(); ++i2)
1502                         {
1503
1504                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1505
1506                                 child_row[recent_session_columns.visible_name] = *i2;
1507                                 child_row[recent_session_columns.fullpath] = fullpath;
1508                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1509                         }
1510                 } else {
1511                         // only a single session file in the directory - show its actual name.
1512                         row[recent_session_columns.visible_name] = state_file_names.front ();
1513                 }
1514         }
1515
1516         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1517         recent_session_display.set_model (recent_session_model);
1518 }
1519
1520 void
1521 ARDOUR_UI::build_session_selector ()
1522 {
1523         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1524
1525         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1526
1527         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1528         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1529         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1530         recent_session_model = TreeStore::create (recent_session_columns);
1531         recent_session_display.set_model (recent_session_model);
1532         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1533         recent_session_display.set_headers_visible (false);
1534         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1535         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1536
1537         scroller->add (recent_session_display);
1538         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1539
1540         session_selector_window->set_name ("SessionSelectorWindow");
1541         session_selector_window->set_size_request (200, 400);
1542         session_selector_window->get_vbox()->pack_start (*scroller);
1543
1544         recent_session_display.show();
1545         scroller->show();
1546 }
1547
1548 void
1549 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1550 {
1551         session_selector_window->response (RESPONSE_ACCEPT);
1552 }
1553
1554 void
1555 ARDOUR_UI::open_recent_session ()
1556 {
1557         bool can_return = (_session != 0);
1558
1559         if (session_selector_window == 0) {
1560                 build_session_selector ();
1561         }
1562
1563         redisplay_recent_sessions ();
1564
1565         while (true) {
1566
1567                 ResponseType r = (ResponseType) session_selector_window->run ();
1568
1569                 switch (r) {
1570                 case RESPONSE_ACCEPT:
1571                         break;
1572                 default:
1573                         if (can_return) {
1574                                 session_selector_window->hide();
1575                                 return;
1576                         } else {
1577                                 exit (1);
1578                         }
1579                 }
1580
1581                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1582                         continue;
1583                 }
1584
1585                 session_selector_window->hide();
1586
1587                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1588
1589                 if (i == recent_session_model->children().end()) {
1590                         return;
1591                 }
1592
1593                 std::string path = (*i)[recent_session_columns.fullpath];
1594                 std::string state = (*i)[recent_session_columns.visible_name];
1595
1596                 _session_is_new = false;
1597
1598                 if (load_session (path, state) == 0) {
1599                         break;
1600                 }
1601
1602                 can_return = false;
1603         }
1604 }
1605
1606 bool
1607 ARDOUR_UI::check_audioengine ()
1608 {
1609         if (!AudioEngine::instance()->connected()) {
1610                 MessageDialog msg (string_compose (
1611                                            _("%1 is not connected to any audio backend.\n"
1612                                              "You cannot open or close sessions in this condition"),
1613                                            PROGRAM_NAME));
1614                 pop_back_splash (msg);
1615                 msg.run ();
1616                 return false;
1617         }
1618         return true;
1619 }
1620
1621 void
1622 ARDOUR_UI::open_session ()
1623 {
1624         if (!check_audioengine()) {
1625                 return;
1626
1627         }
1628
1629         /* popup selector window */
1630
1631         if (open_session_selector == 0) {
1632
1633                 /* ardour sessions are folders */
1634
1635                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1636                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1637                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1638                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1639
1640                 if (_session) {
1641                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1642                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1643                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1644                         open_session_selector->set_current_folder(session_parent_dir);
1645                 } else {
1646                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1647                 }
1648
1649                 string default_session_folder = Config->get_default_session_parent_dir();
1650                 try {
1651                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1652                         open_session_selector->add_shortcut_folder (default_session_folder);
1653                 }
1654                 catch (Glib::Error & e) {
1655                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1656                 }
1657
1658                 FileFilter session_filter;
1659                 session_filter.add_pattern ("*.ardour");
1660                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1661                 open_session_selector->add_filter (session_filter);
1662                 open_session_selector->set_filter (session_filter);
1663         }
1664
1665         int response = open_session_selector->run();
1666         open_session_selector->hide ();
1667
1668         switch (response) {
1669         case RESPONSE_ACCEPT:
1670                 break;
1671         default:
1672                 open_session_selector->hide();
1673                 return;
1674         }
1675
1676         open_session_selector->hide();
1677         string session_path = open_session_selector->get_filename();
1678         string path, name;
1679         bool isnew;
1680
1681         if (session_path.length() > 0) {
1682                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1683                         _session_is_new = isnew;
1684                         load_session (path, name);
1685                 }
1686         }
1687 }
1688
1689
1690 void
1691 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1692                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1693 {
1694         list<boost::shared_ptr<MidiTrack> > tracks;
1695
1696         if (_session == 0) {
1697                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1698                 return;
1699         }
1700
1701         try {
1702                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1703
1704                 if (tracks.size() != how_many) {
1705                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1706                 }
1707         }
1708
1709         catch (...) {
1710                 MessageDialog msg (*editor,
1711                                    string_compose (_("There are insufficient ports available\n\
1712 to create a new track or bus.\n\
1713 You should save %1, exit and\n\
1714 restart with more ports."), PROGRAM_NAME));
1715                 msg.run ();
1716         }
1717 }
1718
1719
1720 void
1721 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1722 {
1723         ChanCount one_midi_channel;
1724         one_midi_channel.set (DataType::MIDI, 1);
1725
1726         if (disk) {
1727                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1728         }
1729 }
1730
1731 void
1732 ARDOUR_UI::session_add_audio_route (
1733         bool track,
1734         int32_t input_channels,
1735         int32_t output_channels,
1736         ARDOUR::TrackMode mode,
1737         RouteGroup* route_group,
1738         uint32_t how_many,
1739         string const & name_template
1740         )
1741 {
1742         list<boost::shared_ptr<AudioTrack> > tracks;
1743         RouteList routes;
1744
1745         if (_session == 0) {
1746                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1747                 return;
1748         }
1749
1750         try {
1751                 if (track) {
1752                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1753
1754                         if (tracks.size() != how_many) {
1755                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1756                                       << endmsg;
1757                         }
1758
1759                 } else {
1760
1761                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1762
1763                         if (routes.size() != how_many) {
1764                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1765                                       << endmsg;
1766                         }
1767                 }
1768         }
1769
1770         catch (...) {
1771                 MessageDialog msg (*editor,
1772                                    string_compose (_("There are insufficient ports available\n\
1773 to create a new track or bus.\n\
1774 You should save %1, exit and\n\
1775 restart with more ports."), PROGRAM_NAME));
1776                 pop_back_splash (msg);
1777                 msg.run ();
1778         }
1779 }
1780
1781 void
1782 ARDOUR_UI::transport_goto_start ()
1783 {
1784         if (_session) {
1785                 _session->goto_start();
1786
1787                 /* force displayed area in editor to start no matter
1788                    what "follow playhead" setting is.
1789                 */
1790
1791                 if (editor) {
1792                         editor->center_screen (_session->current_start_frame ());
1793                 }
1794         }
1795 }
1796
1797 void
1798 ARDOUR_UI::transport_goto_zero ()
1799 {
1800         if (_session) {
1801                 _session->request_locate (0);
1802
1803                 /* force displayed area in editor to start no matter
1804                    what "follow playhead" setting is.
1805                 */
1806
1807                 if (editor) {
1808                         editor->reset_x_origin (0);
1809                 }
1810         }
1811 }
1812
1813 void
1814 ARDOUR_UI::transport_goto_wallclock ()
1815 {
1816         if (_session && editor) {
1817
1818                 time_t now;
1819                 struct tm tmnow;
1820                 framepos_t frames;
1821
1822                 time (&now);
1823                 localtime_r (&now, &tmnow);
1824
1825                 int frame_rate = _session->frame_rate();
1826
1827                 if (frame_rate == 0) {
1828                         /* no frame rate available */
1829                         return;
1830                 }
1831
1832                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1833                 frames += tmnow.tm_min * (60 * frame_rate);
1834                 frames += tmnow.tm_sec * frame_rate;
1835
1836                 _session->request_locate (frames, _session->transport_rolling ());
1837
1838                 /* force displayed area in editor to start no matter
1839                    what "follow playhead" setting is.
1840                 */
1841
1842                 if (editor) {
1843                         editor->center_screen (frames);
1844                 }
1845         }
1846 }
1847
1848 void
1849 ARDOUR_UI::transport_goto_end ()
1850 {
1851         if (_session) {
1852                 framepos_t const frame = _session->current_end_frame();
1853                 _session->request_locate (frame);
1854
1855                 /* force displayed area in editor to start no matter
1856                    what "follow playhead" setting is.
1857                 */
1858
1859                 if (editor) {
1860                         editor->center_screen (frame);
1861                 }
1862         }
1863 }
1864
1865 void
1866 ARDOUR_UI::transport_stop ()
1867 {
1868         if (!_session) {
1869                 return;
1870         }
1871
1872         if (_session->is_auditioning()) {
1873                 _session->cancel_audition ();
1874                 return;
1875         }
1876
1877         _session->request_stop (false, true);
1878 }
1879
1880 /** Check if any tracks are record enabled. If none are, record enable all of them.
1881  * @return true if track record-enabled status was changed, false otherwise.
1882  */
1883 bool
1884 ARDOUR_UI::trx_record_enable_all_tracks ()
1885 {
1886         if (!_session) {
1887                 return false;
1888         }
1889
1890         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1891         bool none_record_enabled = true;
1892
1893         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1894                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1895                 assert (t);
1896
1897                 if (t->record_enabled()) {
1898                         none_record_enabled = false;
1899                         break;
1900                 }
1901         }
1902
1903         if (none_record_enabled) {
1904                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
1905         }
1906
1907         return none_record_enabled;
1908 }
1909
1910 void
1911 ARDOUR_UI::transport_record (bool roll)
1912 {
1913         if (_session) {
1914                 switch (_session->record_status()) {
1915                 case Session::Disabled:
1916                         if (_session->ntracks() == 0) {
1917                                 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."));
1918                                 msg.run ();
1919                                 return;
1920                         }
1921                         if (Profile->get_trx()) {
1922                                 roll = trx_record_enable_all_tracks ();
1923                         }
1924                         _session->maybe_enable_record ();
1925                         if (roll) {
1926                                 transport_roll ();
1927                         }
1928                         break;
1929                 case Session::Recording:
1930                         if (roll) {
1931                                 _session->request_stop();
1932                         } else {
1933                                 _session->disable_record (false, true);
1934                         }
1935                         break;
1936
1937                 case Session::Enabled:
1938                         _session->disable_record (false, true);
1939                 }
1940         }
1941 }
1942
1943 void
1944 ARDOUR_UI::transport_roll ()
1945 {
1946         if (!_session) {
1947                 return;
1948         }
1949
1950         if (_session->is_auditioning()) {
1951                 return;
1952         }
1953
1954 #if 0
1955         if (_session->config.get_external_sync()) {
1956                 switch (Config->get_sync_source()) {
1957                 case Engine:
1958                         break;
1959                 default:
1960                         /* transport controlled by the master */
1961                         return;
1962                 }
1963         }
1964 #endif
1965
1966         bool rolling = _session->transport_rolling();
1967
1968         if (_session->get_play_loop()) {
1969
1970                 /* If loop playback is not a mode, then we should cancel
1971                    it when this action is requested. If it is a mode
1972                    we just leave it in place.
1973                 */
1974
1975                 if (!Config->get_loop_is_mode()) {
1976                         /* XXX it is not possible to just leave seamless loop and keep
1977                            playing at present (nov 4th 2009)
1978                         */
1979                         if (!Config->get_seamless_loop()) {
1980                                 /* stop loop playback and stop rolling */
1981                                 _session->request_play_loop (false, true);
1982                         } else if (rolling) {
1983                                 /* stop loop playback but keep rolling */
1984                                 _session->request_play_loop (false, false);
1985                         }
1986                 }
1987
1988         } else if (_session->get_play_range () ) {
1989                 /* stop playing a range if we currently are */
1990                 _session->request_play_range (0, true);
1991         }
1992
1993         if (!rolling) {
1994                 _session->request_transport_speed (1.0f);
1995         }
1996 }
1997
1998 bool
1999 ARDOUR_UI::get_smart_mode() const
2000 {
2001         return ( editor->get_smart_mode() );
2002 }
2003
2004
2005 void
2006 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
2007 {
2008
2009         if (!_session) {
2010                 return;
2011         }
2012
2013         if (_session->is_auditioning()) {
2014                 _session->cancel_audition ();
2015                 return;
2016         }
2017
2018         if (_session->config.get_external_sync()) {
2019                 switch (Config->get_sync_source()) {
2020                 case Engine:
2021                         break;
2022                 default:
2023                         /* transport controlled by the master */
2024                         return;
2025                 }
2026         }
2027
2028         bool rolling = _session->transport_rolling();
2029         bool affect_transport = true;
2030
2031         if (rolling && roll_out_of_bounded_mode) {
2032                 /* drop out of loop/range playback but leave transport rolling */
2033                 if (_session->get_play_loop()) {
2034                         if (Config->get_seamless_loop()) {
2035                                 /* the disk buffers contain copies of the loop - we can't
2036                                    just keep playing, so stop the transport. the user
2037                                    can restart as they wish.
2038                                 */
2039                                 affect_transport = true;
2040                         } else {
2041                                 /* disk buffers are normal, so we can keep playing */
2042                                 affect_transport = false;
2043                         }
2044                         _session->request_play_loop (false, affect_transport);
2045                 } else if (_session->get_play_range ()) {
2046                         affect_transport = false;
2047                         _session->request_play_range (0, true);
2048                 }
2049         }
2050
2051         if (affect_transport) {
2052                 if (rolling) {
2053                         _session->request_stop (with_abort, true);
2054                 } else {
2055                         if ( Config->get_follow_edits() && ( editor->get_selection().time.front().start == _session->transport_frame() ) ) {  //if playhead is exactly at the start of a range, we can assume it was placed there by follow_edits
2056                                 _session->request_play_range (&editor->get_selection().time, true);
2057                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2058                         }
2059                         _session->request_transport_speed (1.0f);
2060                 }
2061         }
2062 }
2063
2064 void
2065 ARDOUR_UI::toggle_session_auto_loop ()
2066 {
2067         Location * looploc = _session->locations()->auto_loop_location();
2068
2069         if (!_session || !looploc) {
2070                 return;
2071         }
2072
2073         if (_session->get_play_loop()) {
2074
2075                 /* looping enabled, our job is to disable it */
2076
2077                 _session->request_play_loop (false);
2078
2079         } else {
2080
2081                 /* looping not enabled, our job is to enable it.
2082
2083                    loop-is-NOT-mode: this action always starts the transport rolling.
2084                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2085                                         does not start transport.
2086                 */
2087                 if (Config->get_loop_is_mode()) {
2088                         _session->request_play_loop (true, false);
2089                 } else {
2090                         _session->request_play_loop (true, true);
2091                 }
2092         }
2093
2094         //show the loop markers
2095         looploc->set_hidden (false, this);
2096 }
2097
2098 void
2099 ARDOUR_UI::transport_play_selection ()
2100 {
2101         if (!_session) {
2102                 return;
2103         }
2104
2105         editor->play_selection ();
2106 }
2107
2108 void
2109 ARDOUR_UI::transport_play_preroll ()
2110 {
2111         if (!_session) {
2112                 return;
2113         }
2114         editor->play_with_preroll ();
2115 }
2116
2117 void
2118 ARDOUR_UI::transport_rewind (int option)
2119 {
2120         float current_transport_speed;
2121
2122         if (_session) {
2123                 current_transport_speed = _session->transport_speed();
2124
2125                 if (current_transport_speed >= 0.0f) {
2126                         switch (option) {
2127                         case 0:
2128                                 _session->request_transport_speed (-1.0f);
2129                                 break;
2130                         case 1:
2131                                 _session->request_transport_speed (-4.0f);
2132                                 break;
2133                         case -1:
2134                                 _session->request_transport_speed (-0.5f);
2135                                 break;
2136                         }
2137                 } else {
2138                         /* speed up */
2139                         _session->request_transport_speed (current_transport_speed * 1.5f);
2140                 }
2141         }
2142 }
2143
2144 void
2145 ARDOUR_UI::transport_forward (int option)
2146 {
2147         if (!_session) {
2148                 return;
2149         }
2150
2151         float current_transport_speed = _session->transport_speed();
2152
2153         if (current_transport_speed <= 0.0f) {
2154                 switch (option) {
2155                 case 0:
2156                         _session->request_transport_speed (1.0f);
2157                         break;
2158                 case 1:
2159                         _session->request_transport_speed (4.0f);
2160                         break;
2161                 case -1:
2162                         _session->request_transport_speed (0.5f);
2163                         break;
2164                 }
2165         } else {
2166                 /* speed up */
2167                 _session->request_transport_speed (current_transport_speed * 1.5f);
2168         }
2169 }
2170
2171 void
2172 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2173 {
2174         if (!_session) {
2175                 return;
2176         }
2177
2178         boost::shared_ptr<Route> r;
2179
2180         if ((r = _session->route_by_remote_id (rid)) != 0) {
2181
2182                 Track* t;
2183
2184                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2185                         t->set_record_enabled (!t->record_enabled(), this);
2186                 }
2187         }
2188 }
2189
2190 void
2191 ARDOUR_UI::map_transport_state ()
2192 {
2193         if (!_session) {
2194                 auto_loop_button.unset_active_state ();
2195                 play_selection_button.unset_active_state ();
2196                 roll_button.unset_active_state ();
2197                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2198                 return;
2199         }
2200
2201         shuttle_box->map_transport_state ();
2202
2203         float sp = _session->transport_speed();
2204
2205         if (sp != 0.0f) {
2206
2207                 /* we're rolling */
2208
2209                 if (_session->get_play_range()) {
2210
2211                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2212                         roll_button.unset_active_state ();
2213                         auto_loop_button.unset_active_state ();
2214
2215                 } else if (_session->get_play_loop ()) {
2216
2217                         auto_loop_button.set_active (true);
2218                         play_selection_button.set_active (false);
2219                         if (Config->get_loop_is_mode()) {
2220                                 roll_button.set_active (true);
2221                         } else {
2222                                 roll_button.set_active (false);
2223                         }
2224
2225                 } else {
2226
2227                         roll_button.set_active (true);
2228                         play_selection_button.set_active (false);
2229                         auto_loop_button.set_active (false);
2230                 }
2231
2232                 if (Config->get_follow_edits()) {
2233                         /* light up both roll and play-selection if they are joined */
2234                         roll_button.set_active (true);
2235                         play_selection_button.set_active (true);
2236                 }
2237
2238                 stop_button.set_active (false);
2239
2240         } else {
2241
2242                 stop_button.set_active (true);
2243                 roll_button.set_active (false);
2244                 play_selection_button.set_active (false);
2245                 if (Config->get_loop_is_mode ()) {
2246                         auto_loop_button.set_active (_session->get_play_loop());
2247                 } else {
2248                         auto_loop_button.set_active (false);
2249                 }
2250                 update_disk_space ();
2251         }
2252 }
2253
2254 void
2255 ARDOUR_UI::update_clocks ()
2256 {
2257         if (!editor || !editor->dragging_playhead()) {
2258                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2259         }
2260 }
2261
2262 void
2263 ARDOUR_UI::start_clocking ()
2264 {
2265         if (Config->get_super_rapid_clock_update()) {
2266                 clock_signal_connection = FPSUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2267         } else {
2268                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2269         }
2270 }
2271
2272 void
2273 ARDOUR_UI::stop_clocking ()
2274 {
2275         clock_signal_connection.disconnect ();
2276 }
2277
2278 gint
2279 ARDOUR_UI::_blink (void *arg)
2280 {
2281         ((ARDOUR_UI *) arg)->blink ();
2282         return TRUE;
2283 }
2284
2285 void
2286 ARDOUR_UI::blink ()
2287 {
2288         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2289 }
2290
2291 void
2292 ARDOUR_UI::start_blinking ()
2293 {
2294         /* Start the blink signal. Everybody with a blinking widget
2295            uses Blink to drive the widget's state.
2296         */
2297
2298         if (blink_timeout_tag < 0) {
2299                 blink_on = false;
2300                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2301         }
2302 }
2303
2304 void
2305 ARDOUR_UI::stop_blinking ()
2306 {
2307         if (blink_timeout_tag >= 0) {
2308                 g_source_remove (blink_timeout_tag);
2309                 blink_timeout_tag = -1;
2310         }
2311 }
2312
2313
2314 /** Ask the user for the name of a new snapshot and then take it.
2315  */
2316
2317 void
2318 ARDOUR_UI::snapshot_session (bool switch_to_it)
2319 {
2320         ArdourPrompter prompter (true);
2321         string snapname;
2322
2323         prompter.set_name ("Prompter");
2324         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2325         if (switch_to_it) {
2326                 prompter.set_title (_("Save as..."));
2327                 prompter.set_prompt (_("New session name"));
2328         } else {
2329                 prompter.set_title (_("Take Snapshot"));
2330                 prompter.set_prompt (_("Name of new snapshot"));
2331         }
2332
2333         if (!switch_to_it) {
2334                 char timebuf[128];
2335                 time_t n;
2336                 struct tm local_time;
2337
2338                 time (&n);
2339                 localtime_r (&n, &local_time);
2340                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2341                 prompter.set_initial_text (timebuf);
2342         }
2343
2344   again:
2345         switch (prompter.run()) {
2346         case RESPONSE_ACCEPT:
2347         {
2348                 prompter.get_result (snapname);
2349
2350                 bool do_save = (snapname.length() != 0);
2351
2352                 if (do_save) {
2353                         char illegal = Session::session_name_is_legal(snapname);
2354                         if (illegal) {
2355                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2356                                                      "snapshot names may not contain a '%1' character"), illegal));
2357                                 msg.run ();
2358                                 goto again;
2359                         }
2360                 }
2361
2362                 vector<std::string> p;
2363                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2364                 vector<string> n = get_file_names_no_extension (p);
2365                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2366
2367                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2368                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2369                         confirm.get_vbox()->pack_start (m, true, true);
2370                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2371                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2372                         confirm.show_all ();
2373                         switch (confirm.run()) {
2374                         case RESPONSE_CANCEL:
2375                                 do_save = false;
2376                         }
2377                 }
2378
2379                 if (do_save) {
2380                         save_state (snapname, switch_to_it);
2381                 }
2382                 break;
2383         }
2384
2385         default:
2386                 break;
2387         }
2388 }
2389
2390 /** Ask the user for a new session name and then rename the session to it.
2391  */
2392
2393 void
2394 ARDOUR_UI::rename_session ()
2395 {
2396         if (!_session) {
2397                 return;
2398         }
2399
2400         ArdourPrompter prompter (true);
2401         string name;
2402
2403         prompter.set_name ("Prompter");
2404         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2405         prompter.set_title (_("Rename Session"));
2406         prompter.set_prompt (_("New session name"));
2407
2408   again:
2409         switch (prompter.run()) {
2410         case RESPONSE_ACCEPT:
2411         {
2412                 prompter.get_result (name);
2413
2414                 bool do_rename = (name.length() != 0);
2415
2416                 if (do_rename) {
2417                         char illegal = Session::session_name_is_legal (name);
2418
2419                         if (illegal) {
2420                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2421                                                                      "session names may not contain a '%1' character"), illegal));
2422                                 msg.run ();
2423                                 goto again;
2424                         }
2425
2426                         switch (_session->rename (name)) {
2427                         case -1: {
2428                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2429                                 msg.set_position (WIN_POS_MOUSE);
2430                                 msg.run ();
2431                                 goto again;
2432                                 break;
2433                         }
2434                         case 0:
2435                                 break;
2436                         default: {
2437                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2438                                 msg.set_position (WIN_POS_MOUSE);
2439                                 msg.run ();
2440                                 break;
2441                         }
2442                         }
2443                 }
2444
2445                 break;
2446         }
2447
2448         default:
2449                 break;
2450         }
2451 }
2452
2453 void
2454 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2455 {
2456         XMLNode* node = new XMLNode (X_("UI"));
2457
2458         WM::Manager::instance().add_state (*node);
2459
2460         node->add_child_nocopy (gui_object_state->get_state());
2461
2462         _session->add_extra_xml (*node);
2463
2464         save_state_canfail (name, switch_to_it);
2465 }
2466
2467 int
2468 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2469 {
2470         if (_session) {
2471                 int ret;
2472
2473                 if (name.length() == 0) {
2474                         name = _session->snap_name();
2475                 }
2476
2477                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2478                         return ret;
2479                 }
2480         }
2481
2482         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2483         return 0;
2484 }
2485
2486 void
2487 ARDOUR_UI::primary_clock_value_changed ()
2488 {
2489         if (_session) {
2490                 _session->request_locate (primary_clock->current_time ());
2491         }
2492 }
2493
2494 void
2495 ARDOUR_UI::big_clock_value_changed ()
2496 {
2497         if (_session) {
2498                 _session->request_locate (big_clock->current_time ());
2499         }
2500 }
2501
2502 void
2503 ARDOUR_UI::secondary_clock_value_changed ()
2504 {
2505         if (_session) {
2506                 _session->request_locate (secondary_clock->current_time ());
2507         }
2508 }
2509
2510 void
2511 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2512 {
2513         if (_session == 0) {
2514                 return;
2515         }
2516
2517         if (_session->step_editing()) {
2518                 return;
2519         }
2520
2521         Session::RecordState const r = _session->record_status ();
2522         bool const h = _session->have_rec_enabled_track ();
2523
2524         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2525                 if (onoff) {
2526                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2527                 } else {
2528                         rec_button.set_active_state (Gtkmm2ext::Off);
2529                 }
2530         } else if (r == Session::Recording && h) {
2531                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2532         } else {
2533                 rec_button.unset_active_state ();
2534         }
2535 }
2536
2537 void
2538 ARDOUR_UI::save_template ()
2539 {
2540         ArdourPrompter prompter (true);
2541         string name;
2542
2543         if (!check_audioengine()) {
2544                 return;
2545         }
2546
2547         prompter.set_name (X_("Prompter"));
2548         prompter.set_title (_("Save Template"));
2549         prompter.set_prompt (_("Name for template:"));
2550         prompter.set_initial_text(_session->name() + _("-template"));
2551         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2552
2553         switch (prompter.run()) {
2554         case RESPONSE_ACCEPT:
2555                 prompter.get_result (name);
2556
2557                 if (name.length()) {
2558                         _session->save_template (name);
2559                 }
2560                 break;
2561
2562         default:
2563                 break;
2564         }
2565 }
2566
2567 void
2568 ARDOUR_UI::edit_metadata ()
2569 {
2570         SessionMetadataEditor dialog;
2571         dialog.set_session (_session);
2572         editor->ensure_float (dialog);
2573         dialog.run ();
2574 }
2575
2576 void
2577 ARDOUR_UI::import_metadata ()
2578 {
2579         SessionMetadataImporter dialog;
2580         dialog.set_session (_session);
2581         editor->ensure_float (dialog);
2582         dialog.run ();
2583 }
2584
2585 bool
2586 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2587 {
2588         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2589
2590         MessageDialog msg (str,
2591                            false,
2592                            Gtk::MESSAGE_WARNING,
2593                            Gtk::BUTTONS_YES_NO,
2594                            true);
2595
2596
2597         msg.set_name (X_("OpenExistingDialog"));
2598         msg.set_title (_("Open Existing Session"));
2599         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2600         msg.set_position (Gtk::WIN_POS_MOUSE);
2601         pop_back_splash (msg);
2602
2603         switch (msg.run()) {
2604         case RESPONSE_YES:
2605                 return true;
2606                 break;
2607         }
2608         return false;
2609 }
2610
2611 int
2612 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2613 {
2614         BusProfile bus_profile;
2615
2616         if (nsm || Profile->get_sae()) {
2617
2618                 bus_profile.master_out_channels = 2;
2619                 bus_profile.input_ac = AutoConnectPhysical;
2620                 bus_profile.output_ac = AutoConnectMaster;
2621                 bus_profile.requested_physical_in = 0; // use all available
2622                 bus_profile.requested_physical_out = 0; // use all available
2623
2624         } else {
2625
2626                 /* get settings from advanced section of NSD */
2627
2628                 if (sd.create_master_bus()) {
2629                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2630                 } else {
2631                         bus_profile.master_out_channels = 0;
2632                 }
2633
2634                 if (sd.connect_inputs()) {
2635                         bus_profile.input_ac = AutoConnectPhysical;
2636                 } else {
2637                         bus_profile.input_ac = AutoConnectOption (0);
2638                 }
2639
2640                 bus_profile.output_ac = AutoConnectOption (0);
2641
2642                 if (sd.connect_outputs ()) {
2643                         if (sd.connect_outs_to_master()) {
2644                                 bus_profile.output_ac = AutoConnectMaster;
2645                         } else if (sd.connect_outs_to_physical()) {
2646                                 bus_profile.output_ac = AutoConnectPhysical;
2647                         }
2648                 }
2649
2650                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2651                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2652         }
2653
2654         if (build_session (session_path, session_name, bus_profile)) {
2655                 return -1;
2656         }
2657
2658         return 0;
2659 }
2660
2661 void
2662 ARDOUR_UI::idle_load (const std::string& path)
2663 {
2664         if (_session) {
2665                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2666                         /* /path/to/foo => /path/to/foo, foo */
2667                         load_session (path, basename_nosuffix (path));
2668                 } else {
2669                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2670                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2671                 }
2672
2673         } else {
2674                 ARDOUR_COMMAND_LINE::session_name = path;
2675         }
2676 }
2677
2678 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2679 int
2680 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2681 {
2682         string session_name;
2683         string session_path;
2684         string template_name;
2685         int ret = -1;
2686         bool likely_new = false;
2687         bool cancel_not_quit;
2688
2689         /* deal with any existing DIRTY session now, rather than later. don't
2690          * treat a non-dirty session this way, so that it stays visible
2691          * as we bring up the new session dialog.
2692          */
2693
2694         if (_session && ARDOUR_UI::instance()->video_timeline) {
2695                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2696         }
2697
2698         /* if there is already a session, relabel the button
2699            on the SessionDialog so that we don't Quit directly
2700         */
2701         cancel_not_quit = (_session != 0);
2702
2703         if (_session && _session->dirty()) {
2704                 if (unload_session (false)) {
2705                         /* unload cancelled by user */
2706                         return 0;
2707                 }
2708                 ARDOUR_COMMAND_LINE::session_name = "";
2709         }
2710
2711         if (!load_template.empty()) {
2712                 should_be_new = true;
2713                 template_name = load_template;
2714         }
2715
2716         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2717         session_path = ARDOUR_COMMAND_LINE::session_name;
2718
2719         if (!session_path.empty()) {
2720                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2721                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2722                                 /* session/snapshot file, change path to be dir */
2723                                 session_path = Glib::path_get_dirname (session_path);
2724                         }
2725                 }
2726         }
2727
2728         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2729
2730         while (ret != 0) {
2731
2732                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2733
2734                         /* if they named a specific statefile, use it, otherwise they are
2735                            just giving a session folder, and we want to use it as is
2736                            to find the session.
2737                         */
2738
2739                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2740
2741                         if (suffix != string::npos) {
2742                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2743                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2744                                 session_name = Glib::path_get_basename (session_name);
2745                         } else {
2746                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2747                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2748                         }
2749                 } else {
2750                         session_path = "";
2751                         session_name = "";
2752                         session_dialog.clear_given ();
2753                 }
2754
2755                 if (should_be_new || session_name.empty()) {
2756                         /* need the dialog to get info from user */
2757
2758                         cerr << "run dialog\n";
2759
2760                         switch (session_dialog.run()) {
2761                         case RESPONSE_ACCEPT:
2762                                 break;
2763                         default:
2764                                 if (quit_on_cancel) {
2765                                         // JE - Currently (July 2014) this section can only get reached if the
2766                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2767                                         // point does NOT indicate an abnormal termination). Therefore, let's
2768                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2769                                         ARDOUR::cleanup ();
2770                                         pthread_cancel_all ();
2771
2772                                         exit (1);
2773                                 } else {
2774                                         return ret;
2775                                 }
2776                         }
2777
2778                         session_dialog.hide ();
2779                 }
2780
2781                 /* if we run the startup dialog again, offer more than just "new session" */
2782
2783                 should_be_new = false;
2784
2785                 session_name = session_dialog.session_name (likely_new);
2786                 session_path = session_dialog.session_folder ();
2787
2788                 if (nsm) {
2789                         likely_new = true;
2790                 }
2791
2792                 string::size_type suffix = session_name.find (statefile_suffix);
2793
2794                 if (suffix != string::npos) {
2795                         session_name = session_name.substr (0, suffix);
2796                 }
2797
2798                 /* this shouldn't happen, but we catch it just in case it does */
2799
2800                 if (session_name.empty()) {
2801                         continue;
2802                 }
2803
2804                 if (session_dialog.use_session_template()) {
2805                         template_name = session_dialog.session_template_name();
2806                         _session_is_new = true;
2807                 }
2808
2809                 if (session_name[0] == G_DIR_SEPARATOR ||
2810                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2811                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2812
2813                         /* absolute path or cwd-relative path specified for session name: infer session folder
2814                            from what was given.
2815                         */
2816
2817                         session_path = Glib::path_get_dirname (session_name);
2818                         session_name = Glib::path_get_basename (session_name);
2819
2820                 } else {
2821
2822                         session_path = session_dialog.session_folder();
2823
2824                         char illegal = Session::session_name_is_legal (session_name);
2825
2826                         if (illegal) {
2827                                 MessageDialog msg (session_dialog,
2828                                                    string_compose (_("To ensure compatibility with various systems\n"
2829                                                                      "session names may not contain a '%1' character"),
2830                                                                    illegal));
2831                                 msg.run ();
2832                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2833                                 continue;
2834                         }
2835                 }
2836
2837                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2838
2839
2840                         if (likely_new && !nsm) {
2841
2842                                 std::string existing = Glib::build_filename (session_path, session_name);
2843
2844                                 if (!ask_about_loading_existing_session (existing)) {
2845                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2846                                         continue;
2847                                 }
2848                         }
2849
2850                         _session_is_new = false;
2851
2852                 } else {
2853
2854                         if (!likely_new) {
2855                                 pop_back_splash (session_dialog);
2856                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2857                                 msg.run ();
2858                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2859                                 continue;
2860                         }
2861
2862                         char illegal = Session::session_name_is_legal(session_name);
2863
2864                         if (illegal) {
2865                                 pop_back_splash (session_dialog);
2866                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2867                                                                                     "session names may not contain a '%1' character"), illegal));
2868                                 msg.run ();
2869                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2870                                 continue;
2871                         }
2872
2873                         _session_is_new = true;
2874                 }
2875
2876                 if (likely_new && template_name.empty()) {
2877
2878                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2879
2880                 } else {
2881
2882                         ret = load_session (session_path, session_name, template_name);
2883
2884                         if (ret == -2) {
2885                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2886                                 exit (1);
2887                         }
2888
2889                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2890                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2891                                 exit (1);
2892                         }
2893
2894                         /* clear this to avoid endless attempts to load the
2895                            same session.
2896                         */
2897
2898                         ARDOUR_COMMAND_LINE::session_name = "";
2899                 }
2900         }
2901
2902         return ret;
2903 }
2904
2905 void
2906 ARDOUR_UI::close_session()
2907 {
2908         if (!check_audioengine()) {
2909                 return;
2910         }
2911
2912         if (unload_session (true)) {
2913                 return;
2914         }
2915
2916         ARDOUR_COMMAND_LINE::session_name = "";
2917
2918         if (get_session_parameters (true, false)) {
2919                 exit (1);
2920         }
2921
2922         goto_editor_window ();
2923 }
2924
2925 /** @param snap_name Snapshot name (without .ardour suffix).
2926  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2927  */
2928 int
2929 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2930 {
2931         Session *new_session;
2932         int unload_status;
2933         int retval = -1;
2934
2935         if (_session) {
2936                 unload_status = unload_session ();
2937
2938                 if (unload_status < 0) {
2939                         goto out;
2940                 } else if (unload_status > 0) {
2941                         retval = 0;
2942                         goto out;
2943                 }
2944         }
2945
2946         session_loaded = false;
2947
2948         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2949
2950         try {
2951                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2952         }
2953
2954         /* this one is special */
2955
2956         catch (AudioEngine::PortRegistrationFailure& err) {
2957
2958                 MessageDialog msg (err.what(),
2959                                    true,
2960                                    Gtk::MESSAGE_INFO,
2961                                    Gtk::BUTTONS_CLOSE);
2962
2963                 msg.set_title (_("Port Registration Error"));
2964                 msg.set_secondary_text (_("Click the Close button to try again."));
2965                 msg.set_position (Gtk::WIN_POS_CENTER);
2966                 pop_back_splash (msg);
2967                 msg.present ();
2968
2969                 int response = msg.run ();
2970
2971                 msg.hide ();
2972
2973                 switch (response) {
2974                 case RESPONSE_CANCEL:
2975                         exit (1);
2976                 default:
2977                         break;
2978                 }
2979                 goto out;
2980         }
2981
2982         catch (...) {
2983
2984                 MessageDialog msg (string_compose(
2985                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2986                                            path, snap_name),
2987                                    true,
2988                                    Gtk::MESSAGE_INFO,
2989                                    BUTTONS_OK);
2990
2991                 msg.set_keep_above (true);
2992                 msg.set_title (_("Loading Error"));
2993                 msg.set_position (Gtk::WIN_POS_CENTER);
2994                 pop_back_splash (msg);
2995                 msg.present ();
2996                 (void) msg.run ();
2997                 msg.hide ();
2998
2999                 goto out;
3000         }
3001
3002         {
3003                 list<string> const u = new_session->unknown_processors ();
3004                 if (!u.empty()) {
3005                         MissingPluginDialog d (_session, u);
3006                         d.run ();
3007                 }
3008         }
3009
3010         if (!new_session->writable()) {
3011                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
3012                                    true,
3013                                    Gtk::MESSAGE_INFO,
3014                                    BUTTONS_OK);
3015
3016                 msg.set_keep_above (true);
3017                 msg.set_title (_("Read-only Session"));
3018                 msg.set_position (Gtk::WIN_POS_CENTER);
3019                 pop_back_splash (msg);
3020                 msg.present ();
3021                 (void) msg.run ();
3022                 msg.hide ();
3023         }
3024
3025
3026         /* Now the session been created, add the transport controls */
3027         new_session->add_controllable(roll_controllable);
3028         new_session->add_controllable(stop_controllable);
3029         new_session->add_controllable(goto_start_controllable);
3030         new_session->add_controllable(goto_end_controllable);
3031         new_session->add_controllable(auto_loop_controllable);
3032         new_session->add_controllable(play_selection_controllable);
3033         new_session->add_controllable(rec_controllable);
3034
3035         set_session (new_session);
3036
3037         session_loaded = true;
3038
3039         goto_editor_window ();
3040
3041         if (_session) {
3042                 _session->set_clean ();
3043         }
3044
3045 #ifdef WINDOWS_VST_SUPPORT
3046         fst_stop_threading();
3047 #endif
3048
3049         flush_pending ();
3050
3051 #ifdef WINDOWS_VST_SUPPORT
3052         fst_start_threading();
3053 #endif
3054         retval = 0;
3055
3056   out:
3057         return retval;
3058 }
3059
3060 int
3061 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3062 {
3063         Session *new_session;
3064         int x;
3065
3066         session_loaded = false;
3067         x = unload_session ();
3068
3069         if (x < 0) {
3070                 return -1;
3071         } else if (x > 0) {
3072                 return 0;
3073         }
3074
3075         _session_is_new = true;
3076
3077         try {
3078                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3079         }
3080
3081         catch (...) {
3082
3083                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3084                 pop_back_splash (msg);
3085                 msg.run ();
3086                 return -1;
3087         }
3088
3089         /* Give the new session the default GUI state, if such things exist */
3090
3091         XMLNode* n;
3092         n = Config->instant_xml (X_("Editor"));
3093         if (n) {
3094                 new_session->add_instant_xml (*n, false);
3095         }
3096         n = Config->instant_xml (X_("Mixer"));
3097         if (n) {
3098                 new_session->add_instant_xml (*n, false);
3099         }
3100
3101         /* Put the playhead at 0 and scroll fully left */
3102         n = new_session->instant_xml (X_("Editor"));
3103         if (n) {
3104                 n->add_property (X_("playhead"), X_("0"));
3105                 n->add_property (X_("left-frame"), X_("0"));
3106         }
3107
3108         set_session (new_session);
3109
3110         session_loaded = true;
3111
3112         new_session->save_state(new_session->name());
3113
3114         return 0;
3115 }
3116
3117 void
3118 ARDOUR_UI::launch_chat ()
3119 {
3120 #ifdef __APPLE__
3121         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3122 #else
3123         open_uri("http://webchat.freenode.net/?channels=ardour");
3124 #endif
3125 }
3126
3127 void
3128 ARDOUR_UI::launch_manual ()
3129 {
3130         PBD::open_uri (Config->get_tutorial_manual_url());
3131 }
3132
3133 void
3134 ARDOUR_UI::launch_reference ()
3135 {
3136         PBD::open_uri (Config->get_reference_manual_url());
3137 }
3138
3139 void
3140 ARDOUR_UI::loading_message (const std::string& msg)
3141 {
3142         if (ARDOUR_COMMAND_LINE::no_splash) {
3143                 return;
3144         }
3145
3146         if (!splash) {
3147                 show_splash ();
3148         }
3149
3150         splash->message (msg);
3151 }
3152
3153 void
3154 ARDOUR_UI::show_splash ()
3155 {
3156         if (splash == 0) {
3157                 try {
3158                         splash = new Splash;
3159                 } catch (...) {
3160                         return;
3161                 }
3162         }
3163
3164         splash->display ();
3165 }
3166
3167 void
3168 ARDOUR_UI::hide_splash ()
3169 {
3170         delete splash;
3171         splash = 0;
3172 }
3173
3174 void
3175 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3176 {
3177         size_t removed;
3178
3179         removed = rep.paths.size();
3180
3181         if (removed == 0) {
3182                 MessageDialog msgd (*editor,
3183                                     _("No files were ready for clean-up"),
3184                                     true,
3185                                     Gtk::MESSAGE_INFO,
3186                                     Gtk::BUTTONS_OK);
3187                 msgd.set_title (_("Clean-up"));
3188                 msgd.set_secondary_text (_("If this seems suprising, \n\
3189 check for any existing snapshots.\n\
3190 These may still include regions that\n\
3191 require some unused files to continue to exist."));
3192
3193                 msgd.run ();
3194                 return;
3195         }
3196
3197         ArdourDialog results (_("Clean-up"), true, false);
3198
3199         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3200             CleanupResultsModelColumns() {
3201                     add (visible_name);
3202                     add (fullpath);
3203             }
3204             Gtk::TreeModelColumn<std::string> visible_name;
3205             Gtk::TreeModelColumn<std::string> fullpath;
3206         };
3207
3208
3209         CleanupResultsModelColumns results_columns;
3210         Glib::RefPtr<Gtk::ListStore> results_model;
3211         Gtk::TreeView results_display;
3212
3213         results_model = ListStore::create (results_columns);
3214         results_display.set_model (results_model);
3215         results_display.append_column (list_title, results_columns.visible_name);
3216
3217         results_display.set_name ("CleanupResultsList");
3218         results_display.set_headers_visible (true);
3219         results_display.set_headers_clickable (false);
3220         results_display.set_reorderable (false);
3221
3222         Gtk::ScrolledWindow list_scroller;
3223         Gtk::Label txt;
3224         Gtk::VBox dvbox;
3225         Gtk::HBox dhbox;  // the hbox for the image and text
3226         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3227         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3228
3229         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3230
3231         const string dead_directory = _session->session_directory().dead_path();
3232
3233         /* subst:
3234            %1 - number of files removed
3235            %2 - location of "dead"
3236            %3 - size of files affected
3237            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3238         */
3239
3240         const char* bprefix;
3241         double space_adjusted = 0;
3242
3243         if (rep.space < 1000) {
3244                 bprefix = X_("");
3245                 space_adjusted = rep.space;
3246         } else if (rep.space < 1000000) {
3247                 bprefix = _("kilo");
3248                 space_adjusted = floorf((float)rep.space / 1000.0);
3249         } else if (rep.space < 1000000 * 1000) {
3250                 bprefix = _("mega");
3251                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3252         } else {
3253                 bprefix = _("giga");
3254                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3255         }
3256
3257         if (msg_delete) {
3258                 txt.set_markup (string_compose (P_("\
3259 The following file was deleted from %2,\n\
3260 releasing %3 %4bytes of disk space", "\
3261 The following %1 files were deleted from %2,\n\
3262 releasing %3 %4bytes of disk space", removed),
3263                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3264         } else {
3265                 txt.set_markup (string_compose (P_("\
3266 The following file was not in use and \n\
3267 has been moved to: %2\n\n\
3268 After a restart of %5\n\n\
3269 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3270 will release an additional %3 %4bytes of disk space.\n", "\
3271 The following %1 files were not in use and \n\
3272 have been moved to: %2\n\n\
3273 After a restart of %5\n\n\
3274 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3275 will release an additional %3 %4bytes of disk space.\n", removed),
3276                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3277         }
3278
3279         dhbox.pack_start (*dimage, true, false, 5);
3280         dhbox.pack_start (txt, true, false, 5);
3281
3282         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3283                 TreeModel::Row row = *(results_model->append());
3284                 row[results_columns.visible_name] = *i;
3285                 row[results_columns.fullpath] = *i;
3286         }
3287
3288         list_scroller.add (results_display);
3289         list_scroller.set_size_request (-1, 150);
3290         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3291
3292         dvbox.pack_start (dhbox, true, false, 5);
3293         dvbox.pack_start (list_scroller, true, false, 5);
3294         ddhbox.pack_start (dvbox, true, false, 5);
3295
3296         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3297         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3298         results.set_default_response (RESPONSE_CLOSE);
3299         results.set_position (Gtk::WIN_POS_MOUSE);
3300
3301         results_display.show();
3302         list_scroller.show();
3303         txt.show();
3304         dvbox.show();
3305         dhbox.show();
3306         ddhbox.show();
3307         dimage->show();
3308
3309         //results.get_vbox()->show();
3310         results.set_resizable (false);
3311
3312         results.run ();
3313
3314 }
3315
3316 void
3317 ARDOUR_UI::cleanup ()
3318 {
3319         if (_session == 0) {
3320                 /* shouldn't happen: menu item is insensitive */
3321                 return;
3322         }
3323
3324
3325         MessageDialog checker (_("Are you sure you want to clean-up?"),
3326                                 true,
3327                                 Gtk::MESSAGE_QUESTION,
3328                                 Gtk::BUTTONS_NONE);
3329
3330         checker.set_title (_("Clean-up"));
3331
3332         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3333 ALL undo/redo information will be lost if you clean-up.\n\
3334 Clean-up will move all unused files to a \"dead\" location."));
3335
3336         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3337         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3338         checker.set_default_response (RESPONSE_CANCEL);
3339
3340         checker.set_name (_("CleanupDialog"));
3341         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3342         checker.set_position (Gtk::WIN_POS_MOUSE);
3343
3344         switch (checker.run()) {
3345         case RESPONSE_ACCEPT:
3346                 break;
3347         default:
3348                 return;
3349         }
3350
3351         ARDOUR::CleanupReport rep;
3352
3353         editor->prepare_for_cleanup ();
3354
3355         /* do not allow flush until a session is reloaded */
3356
3357         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3358         if (act) {
3359                 act->set_sensitive (false);
3360         }
3361
3362         if (_session->cleanup_sources (rep)) {
3363                 editor->finish_cleanup ();
3364                 return;
3365         }
3366
3367         editor->finish_cleanup ();
3368
3369         checker.hide();
3370         display_cleanup_results (rep, _("Cleaned Files"), false);
3371 }
3372
3373 void
3374 ARDOUR_UI::flush_trash ()
3375 {
3376         if (_session == 0) {
3377                 /* shouldn't happen: menu item is insensitive */
3378                 return;
3379         }
3380
3381         ARDOUR::CleanupReport rep;
3382
3383         if (_session->cleanup_trash_sources (rep)) {
3384                 return;
3385         }
3386
3387         display_cleanup_results (rep, _("deleted file"), true);
3388 }
3389
3390 void
3391 ARDOUR_UI::setup_order_hint ()
3392 {
3393         uint32_t order_hint = 0;
3394
3395         /*
3396           we want the new routes to have their order keys set starting from
3397           the highest order key in the selection + 1 (if available).
3398         */
3399         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3400                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3401                         if ((*s)->route()->order_key() > order_hint) {
3402                                 order_hint = (*s)->route()->order_key();
3403                         }
3404                 }
3405
3406                 if (!mixer->selection().routes.empty()) {
3407                         order_hint++;
3408                 }
3409
3410         } else {
3411                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3412                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3413                         if (tav && tav->route() && tav->route()->order_key() > order_hint) {
3414                                 order_hint = tav->route()->order_key();
3415                         }
3416                 }
3417
3418                 if (!editor->get_selection().tracks.empty()) {
3419                         order_hint++;
3420                 }
3421         }
3422
3423         _session->set_order_hint (order_hint);
3424
3425         /* create a gap in the existing route order keys to accomodate new routes.*/
3426
3427         boost::shared_ptr <RouteList> rd = _session->get_routes();
3428         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3429                 boost::shared_ptr<Route> rt (*ri);
3430
3431                 if (rt->is_monitor()) {
3432                         continue;
3433                 }
3434
3435                 if (rt->order_key () >= order_hint) {
3436                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3437                 }
3438         }
3439 }
3440
3441 void
3442 ARDOUR_UI::add_route (Gtk::Window* float_window)
3443 {
3444         int count;
3445
3446         if (!_session) {
3447                 return;
3448         }
3449
3450         if (add_route_dialog->is_visible()) {
3451                 /* we're already doing this */
3452                 return;
3453         }
3454
3455         if (float_window) {
3456                 add_route_dialog->unset_transient_for ();
3457                 add_route_dialog->set_transient_for (*float_window);
3458         }
3459
3460         ResponseType r = (ResponseType) add_route_dialog->run ();
3461
3462         add_route_dialog->hide();
3463
3464         switch (r) {
3465                 case RESPONSE_ACCEPT:
3466                         break;
3467                 default:
3468                         return;
3469                         break;
3470         }
3471
3472         if ((count = add_route_dialog->count()) <= 0) {
3473                 return;
3474         }
3475
3476         setup_order_hint();
3477
3478         string template_path = add_route_dialog->track_template();
3479         DisplaySuspender ds;
3480
3481         if (!template_path.empty()) {
3482                 if (add_route_dialog->name_template_is_default())  {
3483                         _session->new_route_from_template (count, template_path, string());
3484                 } else {
3485                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3486                 }
3487                 return;
3488         }
3489
3490         ChanCount input_chan= add_route_dialog->channels ();
3491         ChanCount output_chan;
3492         string name_template = add_route_dialog->name_template ();
3493         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3494         RouteGroup* route_group = add_route_dialog->route_group ();
3495         AutoConnectOption oac = Config->get_output_auto_connect();
3496
3497         if (oac & AutoConnectMaster) {
3498                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3499                 output_chan.set (DataType::MIDI, 0);
3500         } else {
3501                 output_chan = input_chan;
3502         }
3503
3504         /* XXX do something with name template */
3505
3506         switch (add_route_dialog->type_wanted()) {
3507         case AddRouteDialog::AudioTrack:
3508                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3509                 break;
3510         case AddRouteDialog::MidiTrack:
3511                 session_add_midi_track (route_group, count, name_template, instrument);
3512                 break;
3513         case AddRouteDialog::MixedTrack:
3514                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3515                 break;
3516         case AddRouteDialog::AudioBus:
3517                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3518                 break;
3519         }
3520 }
3521
3522 void
3523 ARDOUR_UI::stop_video_server (bool ask_confirm)
3524 {
3525         if (!video_server_process && ask_confirm) {
3526                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3527         }
3528         if (video_server_process) {
3529                 if(ask_confirm) {
3530                         ArdourDialog confirm (_("Stop Video-Server"), true);
3531                         Label m (_("Do you really want to stop the Video Server?"));
3532                         confirm.get_vbox()->pack_start (m, true, true);
3533                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3534                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3535                         confirm.show_all ();
3536                         if (confirm.run() == RESPONSE_CANCEL) {
3537                                 return;
3538                         }
3539                 }
3540                 delete video_server_process;
3541                 video_server_process =0;
3542         }
3543 }
3544
3545 void
3546 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3547 {
3548   ARDOUR_UI::start_video_server( float_window, true);
3549 }
3550
3551 bool
3552 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3553 {
3554         if (!_session) {
3555                 return false;
3556         }
3557         if (popup_msg) {
3558                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3559                         if (video_server_process) {
3560                                 popup_error(_("The Video Server is already started."));
3561                         } else {
3562                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3563                         }
3564                 }
3565         }
3566
3567         int firsttime = 0;
3568         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3569                 if (firsttime++) {
3570                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3571                 }
3572                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3573                 if (float_window) {
3574                         video_server_dialog->set_transient_for (*float_window);
3575                 }
3576
3577                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3578                         video_server_dialog->hide();
3579                 } else {
3580                         ResponseType r = (ResponseType) video_server_dialog->run ();
3581                         video_server_dialog->hide();
3582                         if (r != RESPONSE_ACCEPT) { return false; }
3583                         if (video_server_dialog->show_again()) {
3584                                 Config->set_show_video_server_dialog(false);
3585                         }
3586                 }
3587
3588                 std::string icsd_exec = video_server_dialog->get_exec_path();
3589                 std::string icsd_docroot = video_server_dialog->get_docroot();
3590                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3591
3592                 GStatBuf sb;
3593                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3594                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3595                         continue;
3596                 }
3597 #ifndef PLATFORM_WINDOWS
3598                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3599                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3600                         warning << _("Given Video Server is not an executable file.") << endmsg;
3601                         continue;
3602                 }
3603 #else
3604                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3605                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3606                         warning << _("Given Video Server is not an executable file.") << endmsg;
3607                         continue;
3608                 }
3609 #endif
3610
3611                 char **argp;
3612                 argp=(char**) calloc(9,sizeof(char*));
3613                 argp[0] = strdup(icsd_exec.c_str());
3614                 argp[1] = strdup("-P");
3615                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3616                 argp[3] = strdup("-p");
3617                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3618                 argp[5] = strdup("-C");
3619                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3620                 argp[7] = strdup(icsd_docroot.c_str());
3621                 argp[8] = 0;
3622                 stop_video_server();
3623
3624                 if (icsd_docroot == X_("/")) {
3625                         Config->set_video_advanced_setup(false);
3626                 } else {
3627                         std::ostringstream osstream;
3628                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3629                         Config->set_video_server_url(osstream.str());
3630                         Config->set_video_server_docroot(icsd_docroot);
3631                         Config->set_video_advanced_setup(true);
3632                 }
3633
3634                 if (video_server_process) {
3635                         delete video_server_process;
3636                 }
3637
3638                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3639                 if (video_server_process->start()) {
3640                         warning << _("Cannot launch the video-server") << endmsg;
3641                         continue;
3642                 }
3643                 int timeout = 120; // 6 sec
3644                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3645                         Glib::usleep (50000);
3646                         gui_idle_handler();
3647                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3648                 }
3649                 if (timeout <= 0) {
3650                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3651                 } else {
3652                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3653                                 delete video_server_process;
3654                                 video_server_process = 0;
3655                         }
3656                 }
3657         }
3658         return true;
3659 }
3660
3661 void
3662 ARDOUR_UI::add_video (Gtk::Window* float_window)
3663 {
3664         if (!_session) {
3665                 return;
3666         }
3667
3668         if (!start_video_server(float_window, false)) {
3669                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3670                 return;
3671         }
3672
3673         if (float_window) {
3674                 add_video_dialog->set_transient_for (*float_window);
3675         }
3676
3677         if (add_video_dialog->is_visible()) {
3678                 /* we're already doing this */
3679                 return;
3680         }
3681
3682         ResponseType r = (ResponseType) add_video_dialog->run ();
3683         add_video_dialog->hide();
3684         if (r != RESPONSE_ACCEPT) { return; }
3685
3686         bool local_file, orig_local_file;
3687         std::string path = add_video_dialog->file_name(local_file);
3688
3689         std::string orig_path = path;
3690         orig_local_file = local_file;
3691
3692         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3693
3694         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3695                 warning << string_compose(_("could not open %1"), path) << endmsg;
3696                 return;
3697         }
3698         if (!local_file && path.length() == 0) {
3699                 warning << _("no video-file selected") << endmsg;
3700                 return;
3701         }
3702
3703         switch (add_video_dialog->import_option()) {
3704                 case VTL_IMPORT_TRANSCODE:
3705                         {
3706                                 TranscodeVideoDialog *transcode_video_dialog;
3707                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3708                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3709                                 transcode_video_dialog->hide();
3710                                 if (r != RESPONSE_ACCEPT) {
3711                                         delete transcode_video_dialog;
3712                                         return;
3713                                 }
3714                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3715                                         editor->embed_audio_from_video(
3716                                                         transcode_video_dialog->get_audiofile(),
3717                                                         video_timeline->get_offset(),
3718                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3719                                                         );
3720                                 }
3721                                 switch (transcode_video_dialog->import_option()) {
3722                                         case VTL_IMPORT_TRANSCODED:
3723                                                 path = transcode_video_dialog->get_filename();
3724                                                 local_file = true;
3725                                                 break;
3726                                         case VTL_IMPORT_REFERENCE:
3727                                                 break;
3728                                         default:
3729                                                 delete transcode_video_dialog;
3730                                                 return;
3731                                 }
3732                                 delete transcode_video_dialog;
3733                         }
3734                         break;
3735                 default:
3736                 case VTL_IMPORT_NONE:
3737                         break;
3738         }
3739
3740         /* strip _session->session_directory().video_path() from video file if possible */
3741         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3742                  path=path.substr(_session->session_directory().video_path().size());
3743                  if (path.at(0) == G_DIR_SEPARATOR) {
3744                          path=path.substr(1);
3745                  }
3746         }
3747
3748         video_timeline->set_update_session_fps(auto_set_session_fps);
3749         if (video_timeline->video_file_info(path, local_file)) {
3750                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3751                 node->add_property (X_("Filename"), path);
3752                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3753                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3754                 if (orig_local_file) {
3755                         node->add_property (X_("OriginalVideoFile"), orig_path);
3756                 } else {
3757                         node->remove_property (X_("OriginalVideoFile"));
3758                 }
3759                 _session->add_extra_xml (*node);
3760                 _session->set_dirty ();
3761
3762                 _session->maybe_update_session_range(
3763                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3764                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3765
3766
3767                 if (add_video_dialog->launch_xjadeo() && local_file) {
3768                         editor->set_xjadeo_sensitive(true);
3769                         editor->toggle_xjadeo_proc(1);
3770                 } else {
3771                         editor->toggle_xjadeo_proc(0);
3772                 }
3773                 editor->toggle_ruler_video(true);
3774         }
3775 }
3776
3777 void
3778 ARDOUR_UI::remove_video ()
3779 {
3780         video_timeline->close_session();
3781         editor->toggle_ruler_video(false);
3782
3783         /* reset state */
3784         video_timeline->set_offset_locked(false);
3785         video_timeline->set_offset(0);
3786
3787         /* delete session state */
3788         XMLNode* node = new XMLNode(X_("Videotimeline"));
3789         _session->add_extra_xml(*node);
3790         node = new XMLNode(X_("Videomonitor"));
3791         _session->add_extra_xml(*node);
3792         stop_video_server();
3793 }
3794
3795 void
3796 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3797 {
3798         if (localcacheonly) {
3799                 video_timeline->vmon_update();
3800         } else {
3801                 video_timeline->flush_cache();
3802         }
3803         editor->queue_visual_videotimeline_update();
3804 }
3805
3806 XMLNode*
3807 ARDOUR_UI::mixer_settings () const
3808 {
3809         XMLNode* node = 0;
3810
3811         if (_session) {
3812                 node = _session->instant_xml(X_("Mixer"));
3813         } else {
3814                 node = Config->instant_xml(X_("Mixer"));
3815         }
3816
3817         if (!node) {
3818                 node = new XMLNode (X_("Mixer"));
3819         }
3820
3821         return node;
3822 }
3823
3824 XMLNode*
3825 ARDOUR_UI::editor_settings () const
3826 {
3827         XMLNode* node = 0;
3828
3829         if (_session) {
3830                 node = _session->instant_xml(X_("Editor"));
3831         } else {
3832                 node = Config->instant_xml(X_("Editor"));
3833         }
3834
3835         if (!node) {
3836                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3837                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3838                 }
3839         }
3840
3841         if (!node) {
3842                 node = new XMLNode (X_("Editor"));
3843         }
3844
3845         return node;
3846 }
3847
3848 XMLNode*
3849 ARDOUR_UI::keyboard_settings () const
3850 {
3851         XMLNode* node = 0;
3852
3853         node = Config->extra_xml(X_("Keyboard"));
3854
3855         if (!node) {
3856                 node = new XMLNode (X_("Keyboard"));
3857         }
3858
3859         return node;
3860 }
3861
3862 void
3863 ARDOUR_UI::create_xrun_marker (framepos_t where)
3864 {
3865         editor->mouse_add_new_marker (where, false, true);
3866 }
3867
3868 void
3869 ARDOUR_UI::halt_on_xrun_message ()
3870 {
3871         MessageDialog msg (*editor,
3872                            _("Recording was stopped because your system could not keep up."));
3873         msg.run ();
3874 }
3875
3876 void
3877 ARDOUR_UI::xrun_handler (framepos_t where)
3878 {
3879         if (!_session) {
3880                 return;
3881         }
3882
3883         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3884
3885         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3886                 create_xrun_marker(where);
3887         }
3888
3889         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3890                 halt_on_xrun_message ();
3891         }
3892 }
3893
3894 void
3895 ARDOUR_UI::disk_overrun_handler ()
3896 {
3897         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3898
3899         if (!have_disk_speed_dialog_displayed) {
3900                 have_disk_speed_dialog_displayed = true;
3901                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3902 The disk system on your computer\n\
3903 was not able to keep up with %1.\n\
3904 \n\
3905 Specifically, it failed to write data to disk\n\
3906 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3907                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3908                 msg->show ();
3909         }
3910 }
3911
3912
3913 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
3914 static MessageDialog *scan_dlg = NULL;
3915 static ProgressBar   *scan_pbar = NULL;
3916 static HBox          *scan_tbox = NULL;
3917
3918 void
3919 ARDOUR_UI::cancel_plugin_scan ()
3920 {
3921         PluginManager::instance().cancel_plugin_scan();
3922 }
3923
3924 void
3925 ARDOUR_UI::cancel_plugin_timeout ()
3926 {
3927         PluginManager::instance().cancel_plugin_timeout();
3928         scan_tbox->hide();
3929 }
3930
3931 void
3932 ARDOUR_UI::plugin_scan_timeout (int timeout)
3933 {
3934         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
3935                 return;
3936         }
3937         if (timeout > 0) {
3938                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
3939                 scan_tbox->show();
3940         } else {
3941                 scan_tbox->hide();
3942         }
3943         gui_idle_handler();
3944 }
3945
3946 void
3947 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
3948 {
3949         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
3950                 return;
3951         }
3952
3953         const bool cancelled = PluginManager::instance().cancelled();
3954         if (type != X_("closeme") && !Config->get_show_plugin_scan_window()) {
3955                 if (cancelled && scan_dlg->is_mapped()) {
3956                         scan_dlg->hide();
3957                         gui_idle_handler();
3958                         return;
3959                 }
3960                 if (cancelled || !can_cancel) {
3961                         return;
3962                 }
3963         }
3964
3965         static Gtk::Button *cancel_button;
3966         static Gtk::Button *timeout_button;
3967         if (!scan_dlg) {
3968                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
3969                 VBox* vbox = scan_dlg->get_vbox();
3970                 vbox->set_size_request(400,-1);
3971                 scan_dlg->set_title (_("Scanning for plugins"));
3972
3973                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
3974                 cancel_button->set_name ("EditorGTKButton");
3975                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
3976                 cancel_button->show();
3977
3978                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
3979
3980                 scan_tbox = manage( new HBox() );
3981
3982                 timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
3983                 timeout_button->set_name ("EditorGTKButton");
3984                 timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
3985                 timeout_button->show();
3986
3987                 scan_pbar = manage(new ProgressBar());
3988                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
3989                 scan_pbar->set_text(_("Scan Timeout"));
3990                 scan_pbar->show();
3991
3992                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
3993                 scan_tbox->pack_start (*timeout_button, PACK_SHRINK, 4);
3994
3995                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
3996         }
3997
3998         if (type == X_("closeme")) {
3999                 scan_dlg->hide();
4000         } else {
4001                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
4002                 scan_dlg->show();
4003         }
4004         if (!can_cancel || !cancelled) {
4005                 scan_tbox->hide();
4006         }
4007         cancel_button->set_sensitive(can_cancel && !cancelled);
4008
4009         gui_idle_handler();
4010 }
4011
4012 void
4013 ARDOUR_UI::gui_idle_handler ()
4014 {
4015         int timeout = 30;
4016         /* due to idle calls, gtk_events_pending() may always return true */
4017         while (gtk_events_pending() && --timeout) {
4018                 gtk_main_iteration ();
4019         }
4020 }
4021
4022 void
4023 ARDOUR_UI::disk_underrun_handler ()
4024 {
4025         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
4026
4027         if (!have_disk_speed_dialog_displayed) {
4028                 have_disk_speed_dialog_displayed = true;
4029                 MessageDialog* msg = new MessageDialog (
4030                         *editor, string_compose (_("The disk system on your computer\n\
4031 was not able to keep up with %1.\n\
4032 \n\
4033 Specifically, it failed to read data from disk\n\
4034 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
4035                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4036                 msg->show ();
4037         }
4038 }
4039
4040 void
4041 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
4042 {
4043         have_disk_speed_dialog_displayed = false;
4044         delete msg;
4045 }
4046
4047 void
4048 ARDOUR_UI::session_dialog (std::string msg)
4049 {
4050         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4051
4052         MessageDialog* d;
4053
4054         if (editor) {
4055                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4056         } else {
4057                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4058         }
4059
4060         d->show_all ();
4061         d->run ();
4062         delete d;
4063 }
4064
4065 int
4066 ARDOUR_UI::pending_state_dialog ()
4067 {
4068         HBox* hbox = manage (new HBox());
4069         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4070         ArdourDialog dialog (_("Crash Recovery"), true);
4071         Label  message (string_compose (_("\
4072 This session appears to have been in the\n\
4073 middle of recording when %1 or\n\
4074 the computer was shutdown.\n\
4075 \n\
4076 %1 can recover any captured audio for\n\
4077 you, or it can ignore it. Please decide\n\
4078 what you would like to do.\n"), PROGRAM_NAME));
4079         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4080         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4081         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4082         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4083         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4084         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4085         dialog.set_default_response (RESPONSE_ACCEPT);
4086         dialog.set_position (WIN_POS_CENTER);
4087         message.show();
4088         image->show();
4089         hbox->show();
4090
4091         switch (dialog.run ()) {
4092         case RESPONSE_ACCEPT:
4093                 return 1;
4094         default:
4095                 return 0;
4096         }
4097 }
4098
4099 int
4100 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4101 {
4102         HBox* hbox = new HBox();
4103         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4104         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4105         Label  message (string_compose (_("\
4106 This session was created with a sample rate of %1 Hz, but\n\
4107 %2 is currently running at %3 Hz.  If you load this session,\n\
4108 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4109
4110         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4111         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4112         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4113         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4114         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4115         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4116         dialog.set_default_response (RESPONSE_ACCEPT);
4117         dialog.set_position (WIN_POS_CENTER);
4118         message.show();
4119         image->show();
4120         hbox->show();
4121
4122         switch (dialog.run()) {
4123         case RESPONSE_ACCEPT:
4124                 return 0;
4125         default:
4126                 break;
4127         }
4128
4129         return 1;
4130 }
4131
4132 int
4133 ARDOUR_UI::disconnect_from_engine ()
4134 {
4135         /* drop connection to AudioEngine::Halted so that we don't act
4136          *  as if the engine unexpectedly shut down
4137          */
4138
4139         halt_connection.disconnect ();
4140
4141         if (AudioEngine::instance()->stop ()) {
4142                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4143                 msg.run ();
4144                 return -1;
4145         } else {
4146                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4147         }
4148
4149         update_sample_rate (0);
4150         return 0;
4151 }
4152
4153 int
4154 ARDOUR_UI::reconnect_to_engine ()
4155 {
4156         if (AudioEngine::instance()->start ()) {
4157                 if (editor) {
4158                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4159                         msg.run ();
4160                 } else {
4161                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4162                         msg.run ();
4163                 }
4164                 return -1;
4165         }
4166
4167         update_sample_rate (0);
4168         return 0;
4169 }
4170
4171 void
4172 ARDOUR_UI::use_config ()
4173 {
4174         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4175         if (node) {
4176                 set_transport_controllable_state (*node);
4177         }
4178 }
4179
4180 void
4181 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4182 {
4183         if (Config->get_primary_clock_delta_edit_cursor()) {
4184                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
4185         } else {
4186                 primary_clock->set (pos);
4187         }
4188
4189         if (Config->get_secondary_clock_delta_edit_cursor()) {
4190                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
4191         } else {
4192                 secondary_clock->set (pos);
4193         }
4194
4195         if (big_clock_window) {
4196                 big_clock->set (pos);
4197         }
4198         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4199 }
4200
4201 void
4202 ARDOUR_UI::step_edit_status_change (bool yn)
4203 {
4204         // XXX should really store pre-step edit status of things
4205         // we make insensitive
4206
4207         if (yn) {
4208                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4209                 rec_button.set_sensitive (false);
4210         } else {
4211                 rec_button.unset_active_state ();;
4212                 rec_button.set_sensitive (true);
4213         }
4214 }
4215
4216 void
4217 ARDOUR_UI::record_state_changed ()
4218 {
4219         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4220
4221         if (!_session || !big_clock_window) {
4222                 /* why bother - the clock isn't visible */
4223                 return;
4224         }
4225
4226         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4227                 big_clock->set_active (true);
4228         } else {
4229                 big_clock->set_active (false);
4230         }
4231 }
4232
4233 bool
4234 ARDOUR_UI::first_idle ()
4235 {
4236         if (_session) {
4237                 _session->allow_auto_play (true);
4238         }
4239
4240         if (editor) {
4241                 editor->first_idle();
4242         }
4243
4244         Keyboard::set_can_save_keybindings (true);
4245         return false;
4246 }
4247
4248 void
4249 ARDOUR_UI::store_clock_modes ()
4250 {
4251         XMLNode* node = new XMLNode(X_("ClockModes"));
4252
4253         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4254                 XMLNode* child = new XMLNode (X_("Clock"));
4255
4256                 child->add_property (X_("name"), (*x)->name());
4257                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4258                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4259
4260                 node->add_child_nocopy (*child);
4261         }
4262
4263         _session->add_extra_xml (*node);
4264         _session->set_dirty ();
4265 }
4266
4267 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4268         : Controllable (name), ui (u), type(tp)
4269 {
4270
4271 }
4272
4273 void
4274 ARDOUR_UI::TransportControllable::set_value (double val)
4275 {
4276         if (val < 0.5) {
4277                 /* do nothing: these are radio-style actions */
4278                 return;
4279         }
4280
4281         const char *action = 0;
4282
4283         switch (type) {
4284         case Roll:
4285                 action = X_("Roll");
4286                 break;
4287         case Stop:
4288                 action = X_("Stop");
4289                 break;
4290         case GotoStart:
4291                 action = X_("GotoStart");
4292                 break;
4293         case GotoEnd:
4294                 action = X_("GotoEnd");
4295                 break;
4296         case AutoLoop:
4297                 action = X_("Loop");
4298                 break;
4299         case PlaySelection:
4300                 action = X_("PlaySelection");
4301                 break;
4302         case RecordEnable:
4303                 action = X_("Record");
4304                 break;
4305         default:
4306                 break;
4307         }
4308
4309         if (action == 0) {
4310                 return;
4311         }
4312
4313         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4314
4315         if (act) {
4316                 act->activate ();
4317         }
4318 }
4319
4320 double
4321 ARDOUR_UI::TransportControllable::get_value (void) const
4322 {
4323         float val = 0.0;
4324
4325         switch (type) {
4326         case Roll:
4327                 break;
4328         case Stop:
4329                 break;
4330         case GotoStart:
4331                 break;
4332         case GotoEnd:
4333                 break;
4334         case AutoLoop:
4335                 break;
4336         case PlaySelection:
4337                 break;
4338         case RecordEnable:
4339                 break;
4340         default:
4341                 break;
4342         }
4343
4344         return val;
4345 }
4346
4347 void
4348 ARDOUR_UI::setup_profile ()
4349 {
4350         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4351                 Profile->set_small_screen ();
4352         }
4353
4354         if (g_getenv ("ARDOUR_SAE")) {
4355                 Profile->set_sae ();
4356                 Profile->set_single_package ();
4357         }
4358
4359         if (g_getenv ("TRX")) {
4360                 Profile->set_trx ();
4361         }
4362
4363         if (g_getenv ("MIXBUS")) {
4364                 Profile->set_mixbus ();
4365         }
4366 }
4367
4368 int
4369 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4370 {
4371         MissingFileDialog dialog (s, str, type);
4372
4373         dialog.show ();
4374         dialog.present ();
4375
4376         int result = dialog.run ();
4377         dialog.hide ();
4378
4379         switch (result) {
4380         case RESPONSE_OK:
4381                 break;
4382         default:
4383                 return 1; // quit entire session load
4384         }
4385
4386         result = dialog.get_action ();
4387
4388         return result;
4389 }
4390
4391 int
4392 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4393 {
4394         AmbiguousFileDialog dialog (file, hits);
4395
4396         dialog.show ();
4397         dialog.present ();
4398
4399         dialog.run ();
4400         return dialog.get_which ();
4401 }
4402
4403 /** Allocate our thread-local buffers */
4404 void
4405 ARDOUR_UI::get_process_buffers ()
4406 {
4407         _process_thread->get_buffers ();
4408 }
4409
4410 /** Drop our thread-local buffers */
4411 void
4412 ARDOUR_UI::drop_process_buffers ()
4413 {
4414         _process_thread->drop_buffers ();
4415 }
4416
4417 void
4418 ARDOUR_UI::feedback_detected ()
4419 {
4420         _feedback_exists = true;
4421 }
4422
4423 void
4424 ARDOUR_UI::successful_graph_sort ()
4425 {
4426         _feedback_exists = false;
4427 }
4428
4429 void
4430 ARDOUR_UI::midi_panic ()
4431 {
4432         if (_session) {
4433                 _session->midi_panic();
4434         }
4435 }
4436
4437 void
4438 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4439 {
4440         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4441         const char* end_big = "</span>";
4442         const char* start_mono = "<tt>";
4443         const char* end_mono = "</tt>";
4444
4445         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4446                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4447                                              "From now on, use the -2000 version with older versions of %3"),
4448                                            xml_path, backup_path, PROGRAM_NAME,
4449                                            start_big, end_big,
4450                                            start_mono, end_mono), true);
4451
4452         msg.run ();
4453 }
4454
4455
4456 void
4457 ARDOUR_UI::reset_peak_display ()
4458 {
4459         if (!_session || !_session->master_out() || !editor_meter) return;
4460         editor_meter->clear_meters();
4461         editor_meter_max_peak = -INFINITY;
4462         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4463 }
4464
4465 void
4466 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4467 {
4468         if (!_session || !_session->master_out()) return;
4469         if (group == _session->master_out()->route_group()) {
4470                 reset_peak_display ();
4471         }
4472 }
4473
4474 void
4475 ARDOUR_UI::reset_route_peak_display (Route* route)
4476 {
4477         if (!_session || !_session->master_out()) return;
4478         if (_session->master_out().get() == route) {
4479                 reset_peak_display ();
4480         }
4481 }
4482
4483 int
4484 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4485 {
4486         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4487         audio_midi_setup->set_position (WIN_POS_CENTER);
4488
4489         switch (audio_midi_setup->run()) {
4490         case Gtk::RESPONSE_OK:
4491                 return 0;
4492         case Gtk::RESPONSE_APPLY:
4493                 return 0;
4494         default:
4495                 return -1;
4496         }
4497 }
4498
4499
4500 gint
4501 ARDOUR_UI::transport_numpad_timeout ()
4502 {
4503         _numpad_locate_happening = false;
4504         if (_numpad_timeout_connection.connected() )
4505                 _numpad_timeout_connection.disconnect();
4506         return 1;
4507 }
4508
4509 void
4510 ARDOUR_UI::transport_numpad_decimal ()
4511 {
4512         _numpad_timeout_connection.disconnect();
4513
4514         if (_numpad_locate_happening) {
4515                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4516                 _numpad_locate_happening = false;
4517         } else {
4518                 _pending_locate_num = 0;
4519                 _numpad_locate_happening = true;
4520                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4521         }
4522 }
4523
4524 void
4525 ARDOUR_UI::transport_numpad_event (int num)
4526 {
4527         if ( _numpad_locate_happening ) {
4528                 _pending_locate_num = _pending_locate_num*10 + num;
4529         } else {
4530                 switch (num) {
4531                         case 0:  toggle_roll(false, false);             break;
4532                         case 1:  transport_rewind(1);                           break;
4533                         case 2:  transport_forward(1);                          break;
4534                         case 3:  transport_record(true);                        break;
4535                         case 4:  toggle_session_auto_loop();            break;
4536                         case 5:  transport_record(false); toggle_session_auto_loop();   break;
4537                         case 6:  toggle_punch();                                        break;
4538                         case 7:  toggle_click();                                break;
4539                         case 8:  toggle_auto_return();                  break;
4540                         case 9:  toggle_follow_edits();         break;
4541                 }
4542         }
4543 }
4544
4545 void
4546 ARDOUR_UI::set_flat_buttons ()
4547 {
4548         CairoWidget::set_flat_buttons( config()->get_flat_buttons() );
4549 }