gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #include <boost/locale.hpp>
  31
  32 #include <stdint.h>
  33 #include <fcntl.h>
  34 #include <signal.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37
  38 #include <sys/resource.h>
  39 #include <sys/types.h>
  40 #include <sys/sysctl.h>
  41
  42 #include <gtkmm/messagedialog.h>
  43 #include <gtkmm/accelmap.h>
  44
  45 #include "pbd/error.h"
  46 #include "pbd/basename.h"
  47 #include "pbd/compose.h"
  48 #include "pbd/failed_constructor.h"
  49 #include "pbd/enumwriter.h"
  50 #include "pbd/memento_command.h"
  51 #include "pbd/openuri.h"
  52 #include "pbd/file_utils.h"
  53
  54 #include "gtkmm2ext/application.h"
  55 #include "gtkmm2ext/bindings.h"
  56 #include "gtkmm2ext/gtk_ui.h"
  57 #include "gtkmm2ext/utils.h"
  58 #include "gtkmm2ext/click_box.h"
  59 #include "gtkmm2ext/fastmeter.h"
  60 #include "gtkmm2ext/popup.h"
  61 #include "gtkmm2ext/window_title.h"
  62
  63 #include "midi++/manager.h"
  64
  65 #include "ardour/ardour.h"
  66 #include "ardour/audioengine.h"
  67 #include "ardour/audiofilesource.h"
  68 #include "ardour/automation_watch.h"
  69 #include "ardour/diskstream.h"
  70 #include "ardour/filename_extensions.h"
  71 #include "ardour/filesystem_paths.h"
  72 #include "ardour/port.h"
  73 #include "ardour/process_thread.h"
  74 #include "ardour/profile.h"
  75 #include "ardour/recent_sessions.h"
  76 #include "ardour/session_directory.h"
  77 #include "ardour/session_route.h"
  78 #include "ardour/session_state_utils.h"
  79 #include "ardour/session_utils.h"
  80 #include "ardour/slave.h"
  81
  82 #include "timecode/time.h"
  83
  84 typedef uint64_t microseconds_t;
  85
  86 #include "about.h"
  87 #include "actions.h"
  88 #include "add_route_dialog.h"
  89 #include "ambiguous_file_dialog.h"
  90 #include "ardour_ui.h"
  91 #include "audio_clock.h"
  92 #include "big_clock_window.h"
  93 #include "bundle_manager.h"
  94 #include "engine_dialog.h"
  95 #include "gain_meter.h"
  96 #include "global_port_matrix.h"
  97 #include "gui_object.h"
  98 #include "gui_thread.h"
  99 #include "keyboard.h"
 100 #include "keyeditor.h"
 101 #include "location_ui.h"
 102 #include "main_clock.h"
 103 #include "missing_file_dialog.h"
 104 #include "missing_plugin_dialog.h"
 105 #include "mixer_ui.h"
 106 #include "mouse_cursors.h"
 107 #include "opts.h"
 108 #include "pingback.h"
 109 #include "processor_box.h"
 110 #include "prompter.h"
 111 #include "public_editor.h"
 112 #include "rc_option_editor.h"
 113 #include "route_time_axis.h"
 114 #include "route_params_ui.h"
 115 #include "session_metadata_dialog.h"
 116 #include "session_option_editor.h"
 117 #include "shuttle_control.h"
 118 #include "speaker_dialog.h"
 119 #include "splash.h"
 120 #include "startup.h"
 121 #include "theme_manager.h"
 122 #include "time_axis_view_item.h"
 123 #include "utils.h"
 124 #include "video_server_dialog.h"
 125 #include "add_video_dialog.h"
 126 #include "transcode_video_dialog.h"
 127 #include "system_exec.h"
 128
 129 #include "i18n.h"
 130
 131 using namespace ARDOUR;
 132 using namespace PBD;
 133 using namespace Gtkmm2ext;
 134 using namespace Gtk;
 135 using namespace std;
 136
 137 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 138 UIConfiguration *ARDOUR_UI::ui_config = 0;
 139
 140 sigc::signal<void,bool> ARDOUR_UI::Blink;
 141 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 142 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 143 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 144 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 145
 146 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 147
 148         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 149
 150         , gui_object_state (new GUIObjectState)
 151
 152         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 153         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 154
 155           /* big clock */
 156
 157         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 158
 159           /* start of private members */
 160
 161         , _startup (0)
 162         , engine (0)
 163         , nsm (0)
 164         , _was_dirty (false)
 165         , _mixer_on_top (false)
 166
 167           /* transport */
 168
 169         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 170         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 171         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 172         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 173         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 174         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 175         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 176
 177         , auto_return_button (ArdourButton::led_default_elements)
 178         , follow_edits_button (ArdourButton::led_default_elements)
 179         , auto_input_button (ArdourButton::led_default_elements)
 180
 181         , auditioning_alert_button (_("audition"))
 182         , solo_alert_button (_("solo"))
 183         , feedback_alert_button (_("feedback"))
 184
 185         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 186         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 187         , key_editor (X_("key-editor"), _("Key Bindings"))
 188         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 189         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 190         , about (X_("about"), _("About"))
 191         , location_ui (X_("locations"), _("Locations"))
 192         , route_params (X_("inspector"), _("Tracks and Busses"))
 193         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 194         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 195         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 196         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 197         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 198         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 199
 200         , error_log_button (_("Errors"))
 201
 202         , _status_bar_visibility (X_("status-bar"))
 203         , _feedback_exists (false)
 204
 205 {
 206         Gtkmm2ext::init(localedir);
 207
 208         splash = 0;
 209
 210         if (theArdourUI == 0) {
 211                 theArdourUI = this;
 212         }
 213
 214         ui_config = new UIConfiguration();
 215
 216         editor = 0;
 217         mixer = 0;
 218         editor = 0;
 219         engine = 0;
 220         _session_is_new = false;
 221         session_selector_window = 0;
 222         last_key_press_time = 0;
 223         video_server_process = 0;
 224         open_session_selector = 0;
 225         have_configure_timeout = false;
 226         have_disk_speed_dialog_displayed = false;
 227         session_loaded = false;
 228         ignore_dual_punch = false;
 229
 230         roll_button.set_controllable (roll_controllable);
 231         stop_button.set_controllable (stop_controllable);
 232         goto_start_button.set_controllable (goto_start_controllable);
 233         goto_end_button.set_controllable (goto_end_controllable);
 234         auto_loop_button.set_controllable (auto_loop_controllable);
 235         play_selection_button.set_controllable (play_selection_controllable);
 236         rec_button.set_controllable (rec_controllable);
 237
 238         roll_button.set_name ("transport button");
 239         stop_button.set_name ("transport button");
 240         goto_start_button.set_name ("transport button");
 241         goto_end_button.set_name ("transport button");
 242         auto_loop_button.set_name ("transport button");
 243         play_selection_button.set_name ("transport button");
 244         rec_button.set_name ("transport recenable button");
 245         midi_panic_button.set_name ("transport button");
 246
 247         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 248         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 249         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 250
 251         last_configure_time= 0;
 252         last_peak_grab = 0;
 253
 254         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 255         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 256
 257         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 258
 259         /* handle dialog requests */
 260
 261         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 262
 263         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 264
 265         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 266
 267         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 268
 269         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 270
 271         /* handle requests to quit (coming from JACK session) */
 272
 273         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 274
 275         /* tell the user about feedback */
 276
 277         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 278         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 279
 280         /* handle requests to deal with missing files */
 281
 282         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 283
 284         /* and ambiguous files */
 285
 286         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 287
 288         /* lets get this party started */
 289
 290         try {
 291                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 292                         throw failed_constructor ();
 293                 }
 294
 295                 setup_gtk_ardour_enums ();
 296                 setup_profile ();
 297
 298                 SessionEvent::create_per_thread_pool ("GUI", 512);
 299
 300         } catch (failed_constructor& err) {
 301                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 302                 // pass it on up
 303                 throw;
 304         }
 305
 306         /* we like keyboards */
 307
 308         keyboard = new ArdourKeyboard(*this);
 309
 310         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 311         if (node) {
 312                 keyboard->set_state (*node, Stateful::loading_state_version);
 313         }
 314
 315         /* we don't like certain modifiers */
 316         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 317
 318         reset_dpi();
 319
 320         TimeAxisViewItem::set_constant_heights ();
 321
 322         /* Set this up so that our window proxies can register actions */
 323
 324         ActionManager::init ();
 325
 326         /* The following must happen after ARDOUR::init() so that Config is set up */
 327
 328         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 329
 330         if (ui_xml) {
 331                 theme_manager.set_state (*ui_xml);
 332                 key_editor.set_state (*ui_xml);
 333                 rc_option_editor.set_state (*ui_xml);
 334                 session_option_editor.set_state (*ui_xml);
 335                 speaker_config_window.set_state (*ui_xml);
 336                 about.set_state (*ui_xml);
 337                 add_route_dialog.set_state (*ui_xml);
 338                 add_video_dialog.set_state (*ui_xml);
 339                 route_params.set_state (*ui_xml);
 340                 bundle_manager.set_state (*ui_xml);
 341                 location_ui.set_state (*ui_xml);
 342                 big_clock_window.set_state (*ui_xml);
 343                 audio_port_matrix.set_state (*ui_xml);
 344                 midi_port_matrix.set_state (*ui_xml);
 345         }
 346
 347         WM::Manager::instance().register_window (&theme_manager);
 348         WM::Manager::instance().register_window (&key_editor);
 349         WM::Manager::instance().register_window (&rc_option_editor);
 350         WM::Manager::instance().register_window (&session_option_editor);
 351         WM::Manager::instance().register_window (&speaker_config_window);
 352         WM::Manager::instance().register_window (&about);
 353         WM::Manager::instance().register_window (&add_route_dialog);
 354         WM::Manager::instance().register_window (&add_video_dialog);
 355         WM::Manager::instance().register_window (&route_params);
 356         WM::Manager::instance().register_window (&bundle_manager);
 357         WM::Manager::instance().register_window (&location_ui);
 358         WM::Manager::instance().register_window (&big_clock_window);
 359         WM::Manager::instance().register_window (&audio_port_matrix);
 360         WM::Manager::instance().register_window (&midi_port_matrix);
 361
 362         /* We need to instantiate the theme manager because it loads our
 363            theme files. This should really change so that its window
 364            and its functionality are separate
 365         */
 366
 367         (void) theme_manager.get (true);
 368
 369         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 370         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 371
 372         _process_thread = new ProcessThread ();
 373         _process_thread->init ();
 374
 375         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 376 }
 377
 378 GlobalPortMatrixWindow*
 379 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 380 {
 381         if (!_session) {
 382                 return 0;
 383         }
 384         return new GlobalPortMatrixWindow (_session, type);
 385 }
 386
 387 int
 388 ARDOUR_UI::create_engine ()
 389 {
 390         // this gets called every time by new_session()
 391
 392         if (engine) {
 393                 return 0;
 394         }
 395
 396         loading_message (_("Starting audio engine"));
 397
 398         try {
 399                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 400
 401         } catch (...) {
 402
 403                 return -1;
 404         }
 405
 406         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 407         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 408         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 409
 410         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 411
 412         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 413
 414         post_engine ();
 415
 416         return 0;
 417 }
 418
 419 void
 420 ARDOUR_UI::post_engine ()
 421 {
 422         /* Things to be done once we create the AudioEngine
 423          */
 424
 425         ARDOUR::init_post_engine ();
 426
 427         _tooltips.enable();
 428
 429         ActionManager::load_menus ();
 430
 431         if (setup_windows ()) {
 432                 throw failed_constructor ();
 433         }
 434
 435         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 436         XMLNode* n = Config->extra_xml (X_("UI"));
 437         if (n) {
 438                 _status_bar_visibility.set_state (*n);
 439         }
 440
 441         check_memory_locking();
 442
 443         /* this is the first point at which all the keybindings are available */
 444
 445         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 446                 vector<string> names;
 447                 vector<string> paths;
 448                 vector<string> tooltips;
 449                 vector<string> keys;
 450                 vector<AccelKey> bindings;
 451
 452                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 453
 454                 vector<string>::iterator n;
 455                 vector<string>::iterator k;
 456                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 457                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 458                 }
 459
 460                 exit (0);
 461         }
 462
 463         blink_timeout_tag = -1;
 464
 465         /* this being a GUI and all, we want peakfiles */
 466
 467         AudioFileSource::set_build_peakfiles (true);
 468         AudioFileSource::set_build_missing_peakfiles (true);
 469
 470         /* set default clock modes */
 471
 472         if (Profile->get_sae()) {
 473                 primary_clock->set_mode (AudioClock::BBT);
 474                 secondary_clock->set_mode (AudioClock::MinSec);
 475         }  else {
 476                 primary_clock->set_mode (AudioClock::Timecode);
 477                 secondary_clock->set_mode (AudioClock::BBT);
 478         }
 479
 480         /* start the time-of-day-clock */
 481
 482 #ifndef GTKOSX
 483         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 484         update_wall_clock ();
 485         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 486 #endif
 487
 488         update_disk_space ();
 489         update_cpu_load ();
 490         update_sample_rate (engine->frame_rate());
 491         update_timecode_format ();
 492
 493         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 494         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 495         Config->map_parameters (pc);
 496
 497         /* now start and maybe save state */
 498
 499         if (do_engine_start () == 0) {
 500                 if (_session && _session_is_new) {
 501                         /* we need to retain initial visual
 502                            settings for a new session
 503                         */
 504                         _session->save_state ("");
 505                 }
 506         }
 507 }
 508
 509 ARDOUR_UI::~ARDOUR_UI ()
 510 {
 511         delete keyboard;
 512         delete editor;
 513         delete mixer;
 514
 515         stop_video_server();
 516 }
 517
 518 void
 519 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 520 {
 521         if (Splash::instance()) {
 522                 Splash::instance()->pop_back_for (win);
 523         }
 524 }
 525
 526 gint
 527 ARDOUR_UI::configure_timeout ()
 528 {
 529         if (last_configure_time == 0) {
 530                 /* no configure events yet */
 531                 return true;
 532         }
 533
 534         /* force a gap of 0.5 seconds since the last configure event
 535          */
 536
 537         if (get_microseconds() - last_configure_time < 500000) {
 538                 return true;
 539         } else {
 540                 have_configure_timeout = false;
 541                 save_ardour_state ();
 542                 return false;
 543         }
 544 }
 545
 546 gboolean
 547 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 548 {
 549         if (have_configure_timeout) {
 550                 last_configure_time = get_microseconds();
 551         } else {
 552                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 553                 have_configure_timeout = true;
 554         }
 555
 556         return FALSE;
 557 }
 558
 559 void
 560 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 561 {
 562         const XMLProperty* prop;
 563
 564         if ((prop = node.property ("roll")) != 0) {
 565                 roll_controllable->set_id (prop->value());
 566         }
 567         if ((prop = node.property ("stop")) != 0) {
 568                 stop_controllable->set_id (prop->value());
 569         }
 570         if ((prop = node.property ("goto-start")) != 0) {
 571                 goto_start_controllable->set_id (prop->value());
 572         }
 573         if ((prop = node.property ("goto-end")) != 0) {
 574                 goto_end_controllable->set_id (prop->value());
 575         }
 576         if ((prop = node.property ("auto-loop")) != 0) {
 577                 auto_loop_controllable->set_id (prop->value());
 578         }
 579         if ((prop = node.property ("play-selection")) != 0) {
 580                 play_selection_controllable->set_id (prop->value());
 581         }
 582         if ((prop = node.property ("rec")) != 0) {
 583                 rec_controllable->set_id (prop->value());
 584         }
 585         if ((prop = node.property ("shuttle")) != 0) {
 586                 shuttle_box->controllable()->set_id (prop->value());
 587         }
 588 }
 589
 590 XMLNode&
 591 ARDOUR_UI::get_transport_controllable_state ()
 592 {
 593         XMLNode* node = new XMLNode(X_("TransportControllables"));
 594         char buf[64];
 595
 596         roll_controllable->id().print (buf, sizeof (buf));
 597         node->add_property (X_("roll"), buf);
 598         stop_controllable->id().print (buf, sizeof (buf));
 599         node->add_property (X_("stop"), buf);
 600         goto_start_controllable->id().print (buf, sizeof (buf));
 601         node->add_property (X_("goto_start"), buf);
 602         goto_end_controllable->id().print (buf, sizeof (buf));
 603         node->add_property (X_("goto_end"), buf);
 604         auto_loop_controllable->id().print (buf, sizeof (buf));
 605         node->add_property (X_("auto_loop"), buf);
 606         play_selection_controllable->id().print (buf, sizeof (buf));
 607         node->add_property (X_("play_selection"), buf);
 608         rec_controllable->id().print (buf, sizeof (buf));
 609         node->add_property (X_("rec"), buf);
 610         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 611         node->add_property (X_("shuttle"), buf);
 612
 613         return *node;
 614 }
 615
 616
 617 gint
 618 ARDOUR_UI::autosave_session ()
 619 {
 620         if (g_main_depth() > 1) {
 621                 /* inside a recursive main loop,
 622                    give up because we may not be able to
 623                    take a lock.
 624                 */
 625                 return 1;
 626         }
 627
 628         if (!Config->get_periodic_safety_backups()) {
 629                 return 1;
 630         }
 631
 632         if (_session) {
 633                 _session->maybe_write_autosave();
 634         }
 635
 636         return 1;
 637 }
 638
 639 void
 640 ARDOUR_UI::update_autosave ()
 641 {
 642         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 643
 644         if (_session && _session->dirty()) {
 645                 if (_autosave_connection.connected()) {
 646                         _autosave_connection.disconnect();
 647                 }
 648
 649                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 650                                 Config->get_periodic_safety_backup_interval() * 1000);
 651
 652         } else {
 653                 if (_autosave_connection.connected()) {
 654                         _autosave_connection.disconnect();
 655                 }
 656         }
 657 }
 658
 659 void
 660 ARDOUR_UI::check_announcements ()
 661 {
 662 #ifdef PHONE_HOME
 663         string _annc_filename;
 664
 665 #ifdef __APPLE__
 666         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 667 #else
 668         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 669 #endif
 670         _annc_filename.append (VERSIONSTRING);
 671
 672         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 673         std::ifstream announce_file (path.c_str());
 674         if ( announce_file.fail() )
 675                 _announce_string = "";
 676         else {
 677                 std::stringstream oss;
 678                 oss << announce_file.rdbuf();
 679                 _announce_string = oss.str();
 680         }
 681
 682         pingback (VERSIONSTRING, path);
 683 #endif
 684 }
 685
 686 void
 687 ARDOUR_UI::startup ()
 688 {
 689         Application* app = Application::instance ();
 690         char *nsm_url;
 691         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 692         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 693
 694         if (ARDOUR_COMMAND_LINE::check_announcements) {
 695                 check_announcements ();
 696         }
 697
 698         app->ready ();
 699
 700         nsm_url = getenv ("NSM_URL");
 701
 702         if (nsm_url) {
 703                 nsm = new NSM_Client;
 704                 if (!nsm->init (nsm_url)) {
 705                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 706
 707                         unsigned int i = 0;
 708                         // wait for announce reply from nsm server
 709                         for ( i = 0; i < 5000; ++i) {
 710                                 nsm->check ();
 711                                 usleep (i);
 712                                 if (nsm->is_active())
 713                                         break;
 714                         }
 715                         // wait for open command from nsm server
 716                         for ( i = 0; i < 5000; ++i) {
 717                                 nsm->check ();
 718                                 usleep (1000);
 719                                 if (nsm->client_id ())
 720                                         break;
 721                         }
 722
 723                         if (_session && nsm) {
 724                                 _session->set_nsm_state( nsm->is_active() );
 725                         }
 726
 727                         // nsm requires these actions disabled
 728                         vector<string> action_names;
 729                         action_names.push_back("SaveAs");
 730                         action_names.push_back("Rename");
 731                         action_names.push_back("New");
 732                         action_names.push_back("Open");
 733                         action_names.push_back("Recent");
 734                         action_names.push_back("Close");
 735
 736                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 737                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 738                                 if (act) {
 739                                         act->set_sensitive (false);
 740                                 }
 741                         }
 742
 743                 }
 744                 else {
 745                         delete nsm;
 746                         nsm = 0;
 747                 }
 748         }
 749
 750         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 751                 exit (1);
 752         }
 753
 754         use_config ();
 755
 756         goto_editor_window ();
 757
 758         WM::Manager::instance().show_visible ();
 759
 760         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 761          * editor window, and we may want stuff to be hidden.
 762          */
 763         _status_bar_visibility.update ();
 764
 765         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 766 }
 767
 768 void
 769 ARDOUR_UI::no_memory_warning ()
 770 {
 771         XMLNode node (X_("no-memory-warning"));
 772         Config->add_instant_xml (node);
 773 }
 774
 775 void
 776 ARDOUR_UI::check_memory_locking ()
 777 {
 778 #ifdef __APPLE__
 779         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 780         return;
 781 #else // !__APPLE__
 782
 783         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 784
 785         if (engine->is_realtime() && memory_warning_node == 0) {
 786
 787                 struct rlimit limits;
 788                 int64_t ram;
 789                 long pages, page_size;
 790 #ifdef __FreeBSD__
 791                 size_t pages_len=sizeof(pages);
 792                 if ((page_size = getpagesize()) < 0 ||
 793                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 794 #else
 795                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 796 #endif
 797                 {
 798                         ram = 0;
 799                 } else {
 800                         ram = (int64_t) pages * (int64_t) page_size;
 801                 }
 802
 803                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 804                         return;
 805                 }
 806
 807                 if (limits.rlim_cur != RLIM_INFINITY) {
 808
 809                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 810
 811                                 MessageDialog msg (
 812                                         string_compose (
 813                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 814                                                   "This might cause %1 to run out of memory before your system "
 815                                                   "runs out of memory. \n\n"
 816                                                   "You can view the memory limit with 'ulimit -l', "
 817                                                   "and it is normally controlled by %2"),
 818                                                 PROGRAM_NAME).c_str(),
 819 #ifdef __FreeBSD__
 820                                         X_("/etc/login.conf")
 821 #else
 822                                         X_(" /etc/security/limits.conf")
 823 #endif
 824                                         );
 825
 826                                 msg.set_default_response (RESPONSE_OK);
 827
 828                                 VBox* vbox = msg.get_vbox();
 829                                 HBox hbox;
 830                                 CheckButton cb (_("Do not show this window again"));
 831
 832                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 833
 834                                 hbox.pack_start (cb, true, false);
 835                                 vbox->pack_start (hbox);
 836                                 cb.show();
 837                                 vbox->show();
 838                                 hbox.show ();
 839
 840                                 pop_back_splash (msg);
 841
 842                                 editor->ensure_float (msg);
 843                                 msg.run ();
 844                         }
 845                 }
 846         }
 847 #endif // !__APPLE__
 848 }
 849
 850
 851 void
 852 ARDOUR_UI::queue_finish ()
 853 {
 854         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 855 }
 856
 857 bool
 858 ARDOUR_UI::idle_finish ()
 859 {
 860         finish ();
 861         return false; /* do not call again */
 862 }
 863
 864 void
 865 ARDOUR_UI::finish()
 866 {
 867         if (_session) {
 868                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 869
 870                 if (_session->dirty()) {
 871                         vector<string> actions;
 872                         actions.push_back (_("Don't quit"));
 873                         actions.push_back (_("Just quit"));
 874                         actions.push_back (_("Save and quit"));
 875                         switch (ask_about_saving_session(actions)) {
 876                         case -1:
 877                                 return;
 878                                 break;
 879                         case 1:
 880                                 /* use the default name */
 881                                 if (save_state_canfail ("")) {
 882                                         /* failed - don't quit */
 883                                         MessageDialog msg (*editor,
 884                                                            string_compose (_("\
 885 %1 was unable to save your session.\n\n\
 886 If you still wish to quit, please use the\n\n\
 887 \"Just quit\" option."), PROGRAM_NAME));
 888                                         pop_back_splash(msg);
 889                                         msg.run ();
 890                                         return;
 891                                 }
 892                                 break;
 893                         case 0:
 894                                 break;
 895                         }
 896                 }
 897
 898                 second_connection.disconnect ();
 899                 point_one_second_connection.disconnect ();
 900                 point_oh_five_second_connection.disconnect ();
 901                 point_zero_one_second_connection.disconnect();
 902         }
 903
 904         delete ARDOUR_UI::instance()->video_timeline;
 905         stop_video_server();
 906
 907         /* Save state before deleting the session, as that causes some
 908            windows to be destroyed before their visible state can be
 909            saved.
 910         */
 911         save_ardour_state ();
 912
 913         close_all_dialogs ();
 914
 915         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 916
 917         if (_session) {
 918                 // _session->set_deletion_in_progress ();
 919                 _session->set_clean ();
 920                 _session->remove_pending_capture_state ();
 921                 delete _session;
 922                 _session = 0;
 923         }
 924
 925         engine->stop (true);
 926         quit ();
 927 }
 928
 929 int
 930 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 931 {
 932         ArdourDialog window (_("Unsaved Session"));
 933         Gtk::HBox dhbox;  // the hbox for the image and text
 934         Gtk::Label  prompt_label;
 935         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 936
 937         string msg;
 938
 939         assert (actions.size() >= 3);
 940
 941         window.add_button (actions[0], RESPONSE_REJECT);
 942         window.add_button (actions[1], RESPONSE_APPLY);
 943         window.add_button (actions[2], RESPONSE_ACCEPT);
 944
 945         window.set_default_response (RESPONSE_ACCEPT);
 946
 947         Gtk::Button noquit_button (msg);
 948         noquit_button.set_name ("EditorGTKButton");
 949
 950         string prompt;
 951
 952         if (_session->snap_name() == _session->name()) {
 953                 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?"),
 954                                         _session->snap_name());
 955         } else {
 956                 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?"),
 957                                         _session->snap_name());
 958         }
 959
 960         prompt_label.set_text (prompt);
 961         prompt_label.set_name (X_("PrompterLabel"));
 962         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 963
 964         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 965         dhbox.set_homogeneous (false);
 966         dhbox.pack_start (*dimage, false, false, 5);
 967         dhbox.pack_start (prompt_label, true, false, 5);
 968         window.get_vbox()->pack_start (dhbox);
 969
 970         window.set_name (_("Prompter"));
 971         window.set_modal (true);
 972         window.set_resizable (false);
 973
 974         dhbox.show();
 975         prompt_label.show();
 976         dimage->show();
 977         window.show();
 978         window.set_keep_above (true);
 979         window.present ();
 980
 981         ResponseType r = (ResponseType) window.run();
 982
 983         window.hide ();
 984
 985         switch (r) {
 986         case RESPONSE_ACCEPT: // save and get out of here
 987                 return 1;
 988         case RESPONSE_APPLY:  // get out of here
 989                 return 0;
 990         default:
 991                 break;
 992         }
 993
 994         return -1;
 995 }
 996
 997
 998 gint
 999 ARDOUR_UI::every_second ()
1000 {
1001         update_cpu_load ();
1002         update_buffer_load ();
1003         update_disk_space ();
1004         update_timecode_format ();
1005
1006         if (nsm && nsm->is_active ()) {
1007                 nsm->check ();
1008
1009                 if (!_was_dirty && _session->dirty ()) {
1010                         nsm->is_dirty ();
1011                         _was_dirty = true;
1012                 }
1013                 else if (_was_dirty && !_session->dirty ()){
1014                         nsm->is_clean ();
1015                         _was_dirty = false;
1016                 }
1017         }
1018         return TRUE;
1019 }
1020
1021 gint
1022 ARDOUR_UI::every_point_one_seconds ()
1023 {
1024         shuttle_box->update_speed_display ();
1025         RapidScreenUpdate(); /* EMIT_SIGNAL */
1026         return TRUE;
1027 }
1028
1029 gint
1030 ARDOUR_UI::every_point_zero_one_seconds ()
1031 {
1032         // august 2007: actual update frequency: 40Hz, not 100Hz
1033
1034         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1035         return TRUE;
1036 }
1037
1038 void
1039 ARDOUR_UI::update_sample_rate (framecnt_t)
1040 {
1041         char buf[64];
1042
1043         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1044
1045         if (!engine->connected()) {
1046
1047                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1048
1049         } else {
1050
1051                 framecnt_t rate = engine->frame_rate();
1052
1053                 if (fmod (rate, 1000.0) != 0.0) {
1054                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1055                                   (float) rate/1000.0f,
1056                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1057                 } else {
1058                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1059                                   rate/1000,
1060                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1061                 }
1062         }
1063
1064         sample_rate_label.set_markup (buf);
1065 }
1066
1067 void
1068 ARDOUR_UI::update_format ()
1069 {
1070         if (!_session) {
1071                 format_label.set_text ("");
1072                 return;
1073         }
1074
1075         stringstream s;
1076         s << _("File:") << X_(" <span foreground=\"green\">");
1077
1078         switch (_session->config.get_native_file_header_format ()) {
1079         case BWF:
1080                 s << _("BWF");
1081                 break;
1082         case WAVE:
1083                 s << _("WAV");
1084                 break;
1085         case WAVE64:
1086                 s << _("WAV64");
1087                 break;
1088         case CAF:
1089                 s << _("CAF");
1090                 break;
1091         case AIFF:
1092                 s << _("AIFF");
1093                 break;
1094         case iXML:
1095                 s << _("iXML");
1096                 break;
1097         case RF64:
1098                 s << _("RF64");
1099                 break;
1100         }
1101
1102         s << " ";
1103
1104         switch (_session->config.get_native_file_data_format ()) {
1105         case FormatFloat:
1106                 s << _("32-float");
1107                 break;
1108         case FormatInt24:
1109                 s << _("24-int");
1110                 break;
1111         case FormatInt16:
1112                 s << _("16-int");
1113                 break;
1114         }
1115
1116         s << X_("</span>");
1117
1118         format_label.set_markup (s.str ());
1119 }
1120
1121 void
1122 ARDOUR_UI::update_cpu_load ()
1123 {
1124         char buf[64];
1125
1126         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1127            should also be changed.
1128         */
1129
1130         float const c = engine->get_cpu_load ();
1131         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1132         cpu_load_label.set_markup (buf);
1133 }
1134
1135 void
1136 ARDOUR_UI::update_buffer_load ()
1137 {
1138         char buf[256];
1139
1140         uint32_t const playback = _session ? _session->playback_load () : 100;
1141         uint32_t const capture = _session ? _session->capture_load () : 100;
1142
1143         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1144            should also be changed.
1145         */
1146
1147         if (_session) {
1148                 snprintf (
1149                         buf, sizeof (buf),
1150                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1151                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1152                         playback <= 5 ? X_("red") : X_("green"),
1153                         playback,
1154                         capture <= 5 ? X_("red") : X_("green"),
1155                         capture
1156                         );
1157
1158                 buffer_load_label.set_markup (buf);
1159         } else {
1160                 buffer_load_label.set_text ("");
1161         }
1162 }
1163
1164 void
1165 ARDOUR_UI::count_recenabled_streams (Route& route)
1166 {
1167         Track* track = dynamic_cast<Track*>(&route);
1168         if (track && track->record_enabled()) {
1169                 rec_enabled_streams += track->n_inputs().n_total();
1170         }
1171 }
1172
1173 void
1174 ARDOUR_UI::update_disk_space()
1175 {
1176         if (_session == 0) {
1177                 return;
1178         }
1179
1180         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1181         char buf[64];
1182         framecnt_t fr = _session->frame_rate();
1183
1184         if (!opt_frames) {
1185                 /* Available space is unknown */
1186                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1187         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1188                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1189         } else {
1190                 rec_enabled_streams = 0;
1191                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1192
1193                 framecnt_t frames = opt_frames.get_value_or (0);
1194
1195                 if (rec_enabled_streams) {
1196                         frames /= rec_enabled_streams;
1197                 }
1198
1199                 int hrs;
1200                 int mins;
1201                 int secs;
1202
1203                 hrs  = frames / (fr * 3600);
1204
1205                 if (hrs > 24) {
1206                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1207                 } else {
1208                         frames -= hrs * fr * 3600;
1209                         mins = frames / (fr * 60);
1210                         frames -= mins * fr * 60;
1211                         secs = frames / fr;
1212
1213                         bool const low = (hrs == 0 && mins <= 30);
1214
1215                         snprintf (
1216                                 buf, sizeof(buf),
1217                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1218                                 low ? X_("red") : X_("green"),
1219                                 hrs, mins, secs
1220                                 );
1221                 }
1222         }
1223
1224         disk_space_label.set_markup (buf);
1225 }
1226
1227 void
1228 ARDOUR_UI::update_timecode_format ()
1229 {
1230         char buf[64];
1231
1232         if (_session) {
1233                 bool matching;
1234                 TimecodeSlave* tcslave;
1235                 SyncSource sync_src = Config->get_sync_source();
1236
1237                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1238                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1239                 } else {
1240                         matching = true;
1241                 }
1242
1243                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1244                           matching ? X_("green") : X_("red"),
1245                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1246         } else {
1247                 snprintf (buf, sizeof (buf), "TC: n/a");
1248         }
1249
1250         timecode_format_label.set_markup (buf);
1251 }
1252
1253 gint
1254 ARDOUR_UI::update_wall_clock ()
1255 {
1256         time_t now;
1257         struct tm *tm_now;
1258         static int last_min = -1;
1259
1260         time (&now);
1261         tm_now = localtime (&now);
1262         if (last_min != tm_now->tm_min) {
1263                 char buf[16];
1264                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1265                 wall_clock_label.set_text (buf);
1266                 last_min = tm_now->tm_min;
1267         }
1268
1269         return TRUE;
1270 }
1271
1272 void
1273 ARDOUR_UI::redisplay_recent_sessions ()
1274 {
1275         std::vector<std::string> session_directories;
1276         RecentSessionsSorter cmp;
1277
1278         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1279         recent_session_model->clear ();
1280
1281         ARDOUR::RecentSessions rs;
1282         ARDOUR::read_recent_sessions (rs);
1283
1284         if (rs.empty()) {
1285                 recent_session_display.set_model (recent_session_model);
1286                 return;
1287         }
1288
1289         // sort them alphabetically
1290         sort (rs.begin(), rs.end(), cmp);
1291
1292         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1293                 session_directories.push_back ((*i).second);
1294         }
1295
1296         for (vector<std::string>::const_iterator i = session_directories.begin();
1297                         i != session_directories.end(); ++i)
1298         {
1299                 std::vector<std::string> state_file_paths;
1300
1301                 // now get available states for this session
1302
1303                 get_state_files_in_directory (*i, state_file_paths);
1304
1305                 vector<string*>* states;
1306                 vector<const gchar*> item;
1307                 string fullpath = *i;
1308
1309                 /* remove any trailing / */
1310
1311                 if (fullpath[fullpath.length() - 1] == '/') {
1312                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1313                 }
1314
1315                 /* check whether session still exists */
1316                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1317                         /* session doesn't exist */
1318                         continue;
1319                 }
1320
1321                 /* now get available states for this session */
1322
1323                 if ((states = Session::possible_states (fullpath)) == 0) {
1324                         /* no state file? */
1325                         continue;
1326                 }
1327
1328                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1329
1330                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1331
1332                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1333                 row[recent_session_columns.fullpath] = fullpath;
1334                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1335
1336                 if (state_file_names.size() > 1) {
1337
1338                         // add the children
1339
1340                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1341                                         i2 != state_file_names.end(); ++i2)
1342                         {
1343
1344                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1345
1346                                 child_row[recent_session_columns.visible_name] = *i2;
1347                                 child_row[recent_session_columns.fullpath] = fullpath;
1348                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1349                         }
1350                 }
1351         }
1352
1353         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1354         recent_session_display.set_model (recent_session_model);
1355 }
1356
1357 void
1358 ARDOUR_UI::build_session_selector ()
1359 {
1360         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1361
1362         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1363
1364         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1365         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1366         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1367         recent_session_model = TreeStore::create (recent_session_columns);
1368         recent_session_display.set_model (recent_session_model);
1369         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1370         recent_session_display.set_headers_visible (false);
1371         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1372         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1373
1374         scroller->add (recent_session_display);
1375         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1376
1377         session_selector_window->set_name ("SessionSelectorWindow");
1378         session_selector_window->set_size_request (200, 400);
1379         session_selector_window->get_vbox()->pack_start (*scroller);
1380
1381         recent_session_display.show();
1382         scroller->show();
1383 }
1384
1385 void
1386 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1387 {
1388         session_selector_window->response (RESPONSE_ACCEPT);
1389 }
1390
1391 void
1392 ARDOUR_UI::open_recent_session ()
1393 {
1394         bool can_return = (_session != 0);
1395
1396         if (session_selector_window == 0) {
1397                 build_session_selector ();
1398         }
1399
1400         redisplay_recent_sessions ();
1401
1402         while (true) {
1403
1404                 ResponseType r = (ResponseType) session_selector_window->run ();
1405
1406                 switch (r) {
1407                 case RESPONSE_ACCEPT:
1408                         break;
1409                 default:
1410                         if (can_return) {
1411                                 session_selector_window->hide();
1412                                 return;
1413                         } else {
1414                                 exit (1);
1415                         }
1416                 }
1417
1418                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1419                         continue;
1420                 }
1421
1422                 session_selector_window->hide();
1423
1424                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1425
1426                 if (i == recent_session_model->children().end()) {
1427                         return;
1428                 }
1429
1430                 std::string path = (*i)[recent_session_columns.fullpath];
1431                 std::string state = (*i)[recent_session_columns.visible_name];
1432
1433                 _session_is_new = false;
1434
1435                 if (load_session (path, state) == 0) {
1436                         break;
1437                 }
1438
1439                 can_return = false;
1440         }
1441 }
1442
1443 bool
1444 ARDOUR_UI::check_audioengine ()
1445 {
1446         if (engine) {
1447                 if (!engine->connected()) {
1448                         MessageDialog msg (string_compose (
1449                                                    _("%1 is not connected to JACK\n"
1450                                                      "You cannot open or close sessions in this condition"),
1451                                                    PROGRAM_NAME));
1452                         pop_back_splash (msg);
1453                         msg.run ();
1454                         return false;
1455                 }
1456                 return true;
1457         } else {
1458                 return false;
1459         }
1460 }
1461
1462 void
1463 ARDOUR_UI::open_session ()
1464 {
1465         if (!check_audioengine()) {
1466                 return;
1467
1468         }
1469
1470         /* popup selector window */
1471
1472         if (open_session_selector == 0) {
1473
1474                 /* ardour sessions are folders */
1475
1476                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1477                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1478                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1479                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1480
1481                 if (_session) {
1482                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1483                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1484                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1485                         open_session_selector->set_current_folder(session_parent_dir);
1486                 } else {
1487                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1488                 }
1489
1490                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1491
1492                 FileFilter session_filter;
1493                 session_filter.add_pattern ("*.ardour");
1494                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1495                 open_session_selector->add_filter (session_filter);
1496                 open_session_selector->set_filter (session_filter);
1497         }
1498
1499         int response = open_session_selector->run();
1500         open_session_selector->hide ();
1501
1502         switch (response) {
1503         case RESPONSE_ACCEPT:
1504                 break;
1505         default:
1506                 open_session_selector->hide();
1507                 return;
1508         }
1509
1510         open_session_selector->hide();
1511         string session_path = open_session_selector->get_filename();
1512         string path, name;
1513         bool isnew;
1514
1515         if (session_path.length() > 0) {
1516                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1517                         _session_is_new = isnew;
1518                         load_session (path, name);
1519                 }
1520         }
1521 }
1522
1523
1524 void
1525 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1526                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1527 {
1528         list<boost::shared_ptr<MidiTrack> > tracks;
1529
1530         if (_session == 0) {
1531                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1532                 return;
1533         }
1534
1535         try {
1536                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1537
1538                 if (tracks.size() != how_many) {
1539                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1540                 }
1541         }
1542
1543         catch (...) {
1544                 MessageDialog msg (*editor,
1545                                    string_compose (_("There are insufficient JACK ports available\n\
1546 to create a new track or bus.\n\
1547 You should save %1, exit and\n\
1548 restart JACK with more ports."), PROGRAM_NAME));
1549                 msg.run ();
1550         }
1551 }
1552
1553
1554 void
1555 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1556 {
1557         ChanCount one_midi_channel;
1558         one_midi_channel.set (DataType::MIDI, 1);
1559
1560         if (disk) {
1561                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1562         }
1563 }
1564
1565 void
1566 ARDOUR_UI::session_add_audio_route (
1567         bool track,
1568         int32_t input_channels,
1569         int32_t output_channels,
1570         ARDOUR::TrackMode mode,
1571         RouteGroup* route_group,
1572         uint32_t how_many,
1573         string const & name_template
1574         )
1575 {
1576         list<boost::shared_ptr<AudioTrack> > tracks;
1577         RouteList routes;
1578
1579         if (_session == 0) {
1580                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1581                 return;
1582         }
1583
1584         try {
1585                 if (track) {
1586                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1587
1588                         if (tracks.size() != how_many) {
1589                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1590                                       << endmsg;
1591                         }
1592
1593                 } else {
1594
1595                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1596
1597                         if (routes.size() != how_many) {
1598                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1599                                       << endmsg;
1600                         }
1601                 }
1602         }
1603
1604         catch (...) {
1605                 MessageDialog msg (*editor,
1606                                    string_compose (_("There are insufficient JACK ports available\n\
1607 to create a new track or bus.\n\
1608 You should save %1, exit and\n\
1609 restart JACK with more ports."), PROGRAM_NAME));
1610                 pop_back_splash (msg);
1611                 msg.run ();
1612         }
1613 }
1614
1615 void
1616 ARDOUR_UI::transport_goto_start ()
1617 {
1618         if (_session) {
1619                 _session->goto_start();
1620
1621                 /* force displayed area in editor to start no matter
1622                    what "follow playhead" setting is.
1623                 */
1624
1625                 if (editor) {
1626                         editor->center_screen (_session->current_start_frame ());
1627                 }
1628         }
1629 }
1630
1631 void
1632 ARDOUR_UI::transport_goto_zero ()
1633 {
1634         if (_session) {
1635                 _session->request_locate (0);
1636
1637                 /* force displayed area in editor to start no matter
1638                    what "follow playhead" setting is.
1639                 */
1640
1641                 if (editor) {
1642                         editor->reset_x_origin (0);
1643                 }
1644         }
1645 }
1646
1647 void
1648 ARDOUR_UI::transport_goto_wallclock ()
1649 {
1650         if (_session && editor) {
1651
1652                 time_t now;
1653                 struct tm tmnow;
1654                 framepos_t frames;
1655
1656                 time (&now);
1657                 localtime_r (&now, &tmnow);
1658
1659                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1660                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1661                 frames += tmnow.tm_sec * _session->frame_rate();
1662
1663                 _session->request_locate (frames, _session->transport_rolling ());
1664
1665                 /* force displayed area in editor to start no matter
1666                    what "follow playhead" setting is.
1667                 */
1668
1669                 if (editor) {
1670                         editor->center_screen (frames);
1671                 }
1672         }
1673 }
1674
1675 void
1676 ARDOUR_UI::transport_goto_end ()
1677 {
1678         if (_session) {
1679                 framepos_t const frame = _session->current_end_frame();
1680                 _session->request_locate (frame);
1681
1682                 /* force displayed area in editor to start no matter
1683                    what "follow playhead" setting is.
1684                 */
1685
1686                 if (editor) {
1687                         editor->center_screen (frame);
1688                 }
1689         }
1690 }
1691
1692 void
1693 ARDOUR_UI::transport_stop ()
1694 {
1695         if (!_session) {
1696                 return;
1697         }
1698
1699         if (_session->is_auditioning()) {
1700                 _session->cancel_audition ();
1701                 return;
1702         }
1703
1704         _session->request_stop (false, true);
1705 }
1706
1707 void
1708 ARDOUR_UI::transport_record (bool roll)
1709 {
1710
1711         if (_session) {
1712                 switch (_session->record_status()) {
1713                 case Session::Disabled:
1714                         if (_session->ntracks() == 0) {
1715                                 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."));
1716                                 msg.run ();
1717                                 return;
1718                         }
1719                         _session->maybe_enable_record ();
1720                         if (roll) {
1721                                 transport_roll ();
1722                         }
1723                         break;
1724                 case Session::Recording:
1725                         if (roll) {
1726                                 _session->request_stop();
1727                         } else {
1728                                 _session->disable_record (false, true);
1729                         }
1730                         break;
1731
1732                 case Session::Enabled:
1733                         _session->disable_record (false, true);
1734                 }
1735         }
1736 }
1737
1738 void
1739 ARDOUR_UI::transport_roll ()
1740 {
1741         if (!_session) {
1742                 return;
1743         }
1744
1745         if (_session->is_auditioning()) {
1746                 return;
1747         }
1748
1749 #if 0
1750         if (_session->config.get_external_sync()) {
1751                 switch (Config->get_sync_source()) {
1752                 case JACK:
1753                         break;
1754                 default:
1755                         /* transport controlled by the master */
1756                         return;
1757                 }
1758         }
1759 #endif
1760
1761         bool rolling = _session->transport_rolling();
1762
1763         if (_session->get_play_loop()) {
1764                 /* XXX it is not possible to just leave seamless loop and keep
1765                    playing at present (nov 4th 2009)
1766                 */
1767                 if (!Config->get_seamless_loop()) {
1768                         _session->request_play_loop (false, true);
1769                 }
1770         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1771                 /* stop playing a range if we currently are */
1772                 _session->request_play_range (0, true);
1773         }
1774
1775         if (!rolling) {
1776                 _session->request_transport_speed (1.0f);
1777         }
1778 }
1779
1780 bool
1781 ARDOUR_UI::get_smart_mode() const
1782 {
1783         return ( editor->get_smart_mode() );
1784 }
1785
1786
1787 void
1788 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1789 {
1790
1791         if (!_session) {
1792                 return;
1793         }
1794
1795         if (_session->is_auditioning()) {
1796                 _session->cancel_audition ();
1797                 return;
1798         }
1799
1800         if (_session->config.get_external_sync()) {
1801                 switch (Config->get_sync_source()) {
1802                 case JACK:
1803                         break;
1804                 default:
1805                         /* transport controlled by the master */
1806                         return;
1807                 }
1808         }
1809
1810         bool rolling = _session->transport_rolling();
1811         bool affect_transport = true;
1812
1813         if (rolling && roll_out_of_bounded_mode) {
1814                 /* drop out of loop/range playback but leave transport rolling */
1815                 if (_session->get_play_loop()) {
1816                         if (Config->get_seamless_loop()) {
1817                                 /* the disk buffers contain copies of the loop - we can't
1818                                    just keep playing, so stop the transport. the user
1819                                    can restart as they wish.
1820                                 */
1821                                 affect_transport = true;
1822                         } else {
1823                                 /* disk buffers are normal, so we can keep playing */
1824                                 affect_transport = false;
1825                         }
1826                         _session->request_play_loop (false, true);
1827                 } else if (_session->get_play_range ()) {
1828                         affect_transport = false;
1829                         _session->request_play_range (0, true);
1830                 }
1831         }
1832
1833         if (affect_transport) {
1834                 if (rolling) {
1835                         _session->request_stop (with_abort, true);
1836                 } else {
1837                         if ( Config->get_always_play_range() ) {
1838                                 _session->request_play_range (&editor->get_selection().time, true);
1839                         }
1840
1841                         _session->request_transport_speed (1.0f);
1842                 }
1843         }
1844 }
1845
1846 void
1847 ARDOUR_UI::toggle_session_auto_loop ()
1848 {
1849         Location * looploc = _session->locations()->auto_loop_location();
1850
1851         if (!_session || !looploc) {
1852                 return;
1853         }
1854
1855         if (_session->get_play_loop()) {
1856
1857                 if (_session->transport_rolling()) {
1858
1859                         _session->request_locate (looploc->start(), true);
1860                         _session->request_play_loop (false);
1861
1862                 } else {
1863                         _session->request_play_loop (false);
1864                 }
1865         } else {
1866                 _session->request_play_loop (true);
1867         }
1868
1869         //show the loop markers
1870         looploc->set_hidden (false, this);
1871 }
1872
1873 void
1874 ARDOUR_UI::transport_play_selection ()
1875 {
1876         if (!_session) {
1877                 return;
1878         }
1879
1880         editor->play_selection ();
1881 }
1882
1883 void
1884 ARDOUR_UI::transport_play_preroll ()
1885 {
1886         if (!_session) {
1887                 return;
1888         }
1889         editor->play_with_preroll ();
1890 }
1891
1892 void
1893 ARDOUR_UI::transport_rewind (int option)
1894 {
1895         float current_transport_speed;
1896
1897         if (_session) {
1898                 current_transport_speed = _session->transport_speed();
1899
1900                 if (current_transport_speed >= 0.0f) {
1901                         switch (option) {
1902                         case 0:
1903                                 _session->request_transport_speed (-1.0f);
1904                                 break;
1905                         case 1:
1906                                 _session->request_transport_speed (-4.0f);
1907                                 break;
1908                         case -1:
1909                                 _session->request_transport_speed (-0.5f);
1910                                 break;
1911                         }
1912                 } else {
1913                         /* speed up */
1914                         _session->request_transport_speed (current_transport_speed * 1.5f);
1915                 }
1916         }
1917 }
1918
1919 void
1920 ARDOUR_UI::transport_forward (int option)
1921 {
1922         if (!_session) {
1923                 return;
1924         }
1925
1926         float current_transport_speed = _session->transport_speed();
1927
1928         if (current_transport_speed <= 0.0f) {
1929                 switch (option) {
1930                 case 0:
1931                         _session->request_transport_speed (1.0f);
1932                         break;
1933                 case 1:
1934                         _session->request_transport_speed (4.0f);
1935                         break;
1936                 case -1:
1937                         _session->request_transport_speed (0.5f);
1938                         break;
1939                 }
1940         } else {
1941                 /* speed up */
1942                 _session->request_transport_speed (current_transport_speed * 1.5f);
1943         }
1944 }
1945
1946 void
1947 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1948 {
1949         if (!_session) {
1950                 return;
1951         }
1952
1953         boost::shared_ptr<Route> r;
1954
1955         if ((r = _session->route_by_remote_id (rid)) != 0) {
1956
1957                 Track* t;
1958
1959                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1960                         t->set_record_enabled (!t->record_enabled(), this);
1961                 }
1962         }
1963 }
1964
1965 void
1966 ARDOUR_UI::map_transport_state ()
1967 {
1968         if (!_session) {
1969                 auto_loop_button.unset_active_state ();
1970                 play_selection_button.unset_active_state ();
1971                 roll_button.unset_active_state ();
1972                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1973                 return;
1974         }
1975
1976         shuttle_box->map_transport_state ();
1977
1978         float sp = _session->transport_speed();
1979
1980         if (sp != 0.0f) {
1981
1982                 /* we're rolling */
1983
1984                 if (_session->get_play_range()) {
1985
1986                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1987                         roll_button.unset_active_state ();
1988                         auto_loop_button.unset_active_state ();
1989
1990                 } else if (_session->get_play_loop ()) {
1991
1992                         auto_loop_button.set_active (true);
1993                         play_selection_button.set_active (false);
1994                         roll_button.set_active (false);
1995
1996                 } else {
1997
1998                         roll_button.set_active (true);
1999                         play_selection_button.set_active (false);
2000                         auto_loop_button.set_active (false);
2001                 }
2002
2003                 if (Config->get_always_play_range()) {
2004                         /* light up both roll and play-selection if they are joined */
2005                         roll_button.set_active (true);
2006                         play_selection_button.set_active (true);
2007                 }
2008
2009                 stop_button.set_active (false);
2010
2011         } else {
2012
2013                 stop_button.set_active (true);
2014                 roll_button.set_active (false);
2015                 play_selection_button.set_active (false);
2016                 auto_loop_button.set_active (false);
2017                 update_disk_space ();
2018         }
2019 }
2020
2021 void
2022 ARDOUR_UI::engine_stopped ()
2023 {
2024         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2025         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2026         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2027 }
2028
2029 void
2030 ARDOUR_UI::engine_running ()
2031 {
2032         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2033         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2034         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2035
2036         Glib::RefPtr<Action> action;
2037         const char* action_name = 0;
2038
2039         switch (engine->frames_per_cycle()) {
2040         case 32:
2041                 action_name = X_("JACKLatency32");
2042                 break;
2043         case 64:
2044                 action_name = X_("JACKLatency64");
2045                 break;
2046         case 128:
2047                 action_name = X_("JACKLatency128");
2048                 break;
2049         case 512:
2050                 action_name = X_("JACKLatency512");
2051                 break;
2052         case 1024:
2053                 action_name = X_("JACKLatency1024");
2054                 break;
2055         case 2048:
2056                 action_name = X_("JACKLatency2048");
2057                 break;
2058         case 4096:
2059                 action_name = X_("JACKLatency4096");
2060                 break;
2061         case 8192:
2062                 action_name = X_("JACKLatency8192");
2063                 break;
2064         default:
2065                 /* XXX can we do anything useful ? */
2066                 break;
2067         }
2068
2069         if (action_name) {
2070
2071                 action = ActionManager::get_action (X_("JACK"), action_name);
2072
2073                 if (action) {
2074                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2075                         ract->set_active ();
2076                 }
2077         }
2078 }
2079
2080 void
2081 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2082 {
2083         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2084                 /* we can't rely on the original string continuing to exist when we are called
2085                    again in the GUI thread, so make a copy and note that we need to
2086                    free it later.
2087                 */
2088                 char *copy = strdup (reason);
2089                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2090                 return;
2091         }
2092
2093         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2094         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2095
2096         update_sample_rate (0);
2097
2098         string msgstr;
2099
2100         /* if the reason is a non-empty string, it means that the backend was shutdown
2101            rather than just Ardour.
2102         */
2103
2104         if (strlen (reason)) {
2105                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2106         } else {
2107                 msgstr = string_compose (_("\
2108 JACK has either been shutdown or it\n\
2109 disconnected %1 because %1\n\
2110 was not fast enough. Try to restart\n\
2111 JACK, reconnect and save the session."), PROGRAM_NAME);
2112         }
2113
2114         MessageDialog msg (*editor, msgstr);
2115         pop_back_splash (msg);
2116         msg.set_keep_above (true);
2117         msg.run ();
2118
2119         if (free_reason) {
2120                 free (const_cast<char*> (reason));
2121         }
2122 }
2123
2124 int32_t
2125 ARDOUR_UI::do_engine_start ()
2126 {
2127         try {
2128                 engine->start();
2129         }
2130
2131         catch (...) {
2132                 engine->stop ();
2133                 error << _("Unable to start the session running")
2134                       << endmsg;
2135                 unload_session ();
2136                 return -2;
2137         }
2138
2139         return 0;
2140 }
2141
2142 void
2143 ARDOUR_UI::update_clocks ()
2144 {
2145         if (!editor || !editor->dragging_playhead()) {
2146                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2147         }
2148 }
2149
2150 void
2151 ARDOUR_UI::start_clocking ()
2152 {
2153         if (Config->get_super_rapid_clock_update()) {
2154                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2155         } else {
2156                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2157         }
2158 }
2159
2160 void
2161 ARDOUR_UI::stop_clocking ()
2162 {
2163         clock_signal_connection.disconnect ();
2164 }
2165
2166 gint
2167 ARDOUR_UI::_blink (void *arg)
2168 {
2169         ((ARDOUR_UI *) arg)->blink ();
2170         return TRUE;
2171 }
2172
2173 void
2174 ARDOUR_UI::blink ()
2175 {
2176         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2177 }
2178
2179 void
2180 ARDOUR_UI::start_blinking ()
2181 {
2182         /* Start the blink signal. Everybody with a blinking widget
2183            uses Blink to drive the widget's state.
2184         */
2185
2186         if (blink_timeout_tag < 0) {
2187                 blink_on = false;
2188                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2189         }
2190 }
2191
2192 void
2193 ARDOUR_UI::stop_blinking ()
2194 {
2195         if (blink_timeout_tag >= 0) {
2196                 g_source_remove (blink_timeout_tag);
2197                 blink_timeout_tag = -1;
2198         }
2199 }
2200
2201
2202 /** Ask the user for the name of a new snapshot and then take it.
2203  */
2204
2205 void
2206 ARDOUR_UI::snapshot_session (bool switch_to_it)
2207 {
2208         ArdourPrompter prompter (true);
2209         string snapname;
2210
2211         prompter.set_name ("Prompter");
2212         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2213         prompter.set_title (_("Take Snapshot"));
2214         prompter.set_prompt (_("Name of new snapshot"));
2215
2216         if (!switch_to_it) {
2217                 char timebuf[128];
2218                 time_t n;
2219                 struct tm local_time;
2220
2221                 time (&n);
2222                 localtime_r (&n, &local_time);
2223                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2224                 prompter.set_initial_text (timebuf);
2225         }
2226
2227   again:
2228         switch (prompter.run()) {
2229         case RESPONSE_ACCEPT:
2230         {
2231                 prompter.get_result (snapname);
2232
2233                 bool do_save = (snapname.length() != 0);
2234
2235                 if (do_save) {
2236                         char illegal = Session::session_name_is_legal(snapname);
2237                         if (illegal) {
2238                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2239                                                      "snapshot names may not contain a '%1' character"), illegal));
2240                                 msg.run ();
2241                                 goto again;
2242                         }
2243                 }
2244
2245                 vector<std::string> p;
2246                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2247                 vector<string> n = get_file_names_no_extension (p);
2248                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2249
2250                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2251                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2252                         confirm.get_vbox()->pack_start (m, true, true);
2253                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2254                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2255                         confirm.show_all ();
2256                         switch (confirm.run()) {
2257                         case RESPONSE_CANCEL:
2258                                 do_save = false;
2259                         }
2260                 }
2261
2262                 if (do_save) {
2263                         save_state (snapname, switch_to_it);
2264                 }
2265                 break;
2266         }
2267
2268         default:
2269                 break;
2270         }
2271 }
2272
2273 /** Ask the user for a new session name and then rename the session to it.
2274  */
2275
2276 void
2277 ARDOUR_UI::rename_session ()
2278 {
2279         if (!_session) {
2280                 return;
2281         }
2282
2283         ArdourPrompter prompter (true);
2284         string name;
2285
2286         prompter.set_name ("Prompter");
2287         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2288         prompter.set_title (_("Rename Session"));
2289         prompter.set_prompt (_("New session name"));
2290
2291   again:
2292         switch (prompter.run()) {
2293         case RESPONSE_ACCEPT:
2294         {
2295                 prompter.get_result (name);
2296
2297                 bool do_rename = (name.length() != 0);
2298
2299                 if (do_rename) {
2300                         char illegal = Session::session_name_is_legal (name);
2301
2302                         if (illegal) {
2303                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2304                                                                      "session names may not contain a '%1' character"), illegal));
2305                                 msg.run ();
2306                                 goto again;
2307                         }
2308
2309                         switch (_session->rename (name)) {
2310                         case -1: {
2311                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2312                                 msg.set_position (WIN_POS_MOUSE);
2313                                 msg.run ();
2314                                 goto again;
2315                                 break;
2316                         }
2317                         case 0:
2318                                 break;
2319                         default: {
2320                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2321                                 msg.set_position (WIN_POS_MOUSE);
2322                                 msg.run ();
2323                                 break;
2324                         }
2325                         }
2326                 }
2327
2328                 break;
2329         }
2330
2331         default:
2332                 break;
2333         }
2334 }
2335
2336 void
2337 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2338 {
2339         XMLNode* node = new XMLNode (X_("UI"));
2340
2341         WM::Manager::instance().add_state (*node);
2342
2343         node->add_child_nocopy (gui_object_state->get_state());
2344
2345         _session->add_extra_xml (*node);
2346
2347         save_state_canfail (name, switch_to_it);
2348 }
2349
2350 int
2351 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2352 {
2353         if (_session) {
2354                 int ret;
2355
2356                 if (name.length() == 0) {
2357                         name = _session->snap_name();
2358                 }
2359
2360                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2361                         return ret;
2362                 }
2363         }
2364
2365         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2366         return 0;
2367 }
2368
2369 void
2370 ARDOUR_UI::primary_clock_value_changed ()
2371 {
2372         if (_session) {
2373                 _session->request_locate (primary_clock->current_time ());
2374         }
2375 }
2376
2377 void
2378 ARDOUR_UI::big_clock_value_changed ()
2379 {
2380         if (_session) {
2381                 _session->request_locate (big_clock->current_time ());
2382         }
2383 }
2384
2385 void
2386 ARDOUR_UI::secondary_clock_value_changed ()
2387 {
2388         if (_session) {
2389                 _session->request_locate (secondary_clock->current_time ());
2390         }
2391 }
2392
2393 void
2394 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2395 {
2396         if (_session == 0) {
2397                 return;
2398         }
2399
2400         if (_session->step_editing()) {
2401                 return;
2402         }
2403
2404         Session::RecordState const r = _session->record_status ();
2405         bool const h = _session->have_rec_enabled_track ();
2406
2407         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2408                 if (onoff) {
2409                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2410                 } else {
2411                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2412                 }
2413         } else if (r == Session::Recording && h) {
2414                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2415         } else {
2416                 rec_button.unset_active_state ();
2417         }
2418 }
2419
2420 void
2421 ARDOUR_UI::save_template ()
2422 {
2423         ArdourPrompter prompter (true);
2424         string name;
2425
2426         if (!check_audioengine()) {
2427                 return;
2428         }
2429
2430         prompter.set_name (X_("Prompter"));
2431         prompter.set_title (_("Save Template"));
2432         prompter.set_prompt (_("Name for template:"));
2433         prompter.set_initial_text(_session->name() + _("-template"));
2434         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2435
2436         switch (prompter.run()) {
2437         case RESPONSE_ACCEPT:
2438                 prompter.get_result (name);
2439
2440                 if (name.length()) {
2441                         _session->save_template (name);
2442                 }
2443                 break;
2444
2445         default:
2446                 break;
2447         }
2448 }
2449
2450 void
2451 ARDOUR_UI::edit_metadata ()
2452 {
2453         SessionMetadataEditor dialog;
2454         dialog.set_session (_session);
2455         editor->ensure_float (dialog);
2456         dialog.run ();
2457 }
2458
2459 void
2460 ARDOUR_UI::import_metadata ()
2461 {
2462         SessionMetadataImporter dialog;
2463         dialog.set_session (_session);
2464         editor->ensure_float (dialog);
2465         dialog.run ();
2466 }
2467
2468 bool
2469 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2470 {
2471         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2472
2473         MessageDialog msg (str,
2474                            false,
2475                            Gtk::MESSAGE_WARNING,
2476                            Gtk::BUTTONS_YES_NO,
2477                            true);
2478
2479
2480         msg.set_name (X_("OpenExistingDialog"));
2481         msg.set_title (_("Open Existing Session"));
2482         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2483         msg.set_position (Gtk::WIN_POS_MOUSE);
2484         pop_back_splash (msg);
2485
2486         switch (msg.run()) {
2487         case RESPONSE_YES:
2488                 return true;
2489                 break;
2490         }
2491         return false;
2492 }
2493
2494 int
2495 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2496 {
2497         BusProfile bus_profile;
2498
2499         if (nsm || Profile->get_sae()) {
2500
2501                 bus_profile.master_out_channels = 2;
2502                 bus_profile.input_ac = AutoConnectPhysical;
2503                 bus_profile.output_ac = AutoConnectMaster;
2504                 bus_profile.requested_physical_in = 0; // use all available
2505                 bus_profile.requested_physical_out = 0; // use all available
2506
2507         } else {
2508
2509                 /* get settings from advanced section of NSD */
2510
2511                 if (_startup->create_master_bus()) {
2512                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2513                 } else {
2514                         bus_profile.master_out_channels = 0;
2515                 }
2516
2517                 if (_startup->connect_inputs()) {
2518                         bus_profile.input_ac = AutoConnectPhysical;
2519                 } else {
2520                         bus_profile.input_ac = AutoConnectOption (0);
2521                 }
2522
2523                 bus_profile.output_ac = AutoConnectOption (0);
2524
2525                 if (_startup->connect_outputs ()) {
2526                         if (_startup->connect_outs_to_master()) {
2527                                 bus_profile.output_ac = AutoConnectMaster;
2528                         } else if (_startup->connect_outs_to_physical()) {
2529                                 bus_profile.output_ac = AutoConnectPhysical;
2530                         }
2531                 }
2532
2533                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2534                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2535         }
2536
2537         if (build_session (session_path, session_name, bus_profile)) {
2538                 return -1;
2539         }
2540
2541         return 0;
2542 }
2543
2544 void
2545 ARDOUR_UI::idle_load (const std::string& path)
2546 {
2547         if (_session) {
2548                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2549                         /* /path/to/foo => /path/to/foo, foo */
2550                         load_session (path, basename_nosuffix (path));
2551                 } else {
2552                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2553                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2554                 }
2555
2556         } else {
2557                 ARDOUR_COMMAND_LINE::session_name = path;
2558         }
2559 }
2560
2561 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2562 int
2563 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2564 {
2565         string session_name;
2566         string session_path;
2567         string template_name;
2568         int ret = -1;
2569         bool likely_new = false;
2570
2571         /* deal with any existing DIRTY session now, rather than later. don't
2572          * treat a non-dirty session this way, so that it stays visible
2573          * as we bring up the new session dialog.
2574          */
2575
2576         if (_session && ARDOUR_UI::instance()->video_timeline) {
2577                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2578         }
2579
2580         if (_session && _session->dirty()) {
2581                 if (unload_session (false)) {
2582                         /* unload cancelled by user */
2583                         return 0;
2584                 }
2585                 ARDOUR_COMMAND_LINE::session_name = "";
2586         }
2587
2588         if (!load_template.empty()) {
2589                 should_be_new = true;
2590                 template_name = load_template;
2591         }
2592
2593         while (ret != 0) {
2594
2595                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2596
2597                         /* if they named a specific statefile, use it, otherwise they are
2598                            just giving a session folder, and we want to use it as is
2599                            to find the session.
2600                         */
2601
2602                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2603
2604                         if (suffix != string::npos) {
2605                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2606                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2607                                 session_name = Glib::path_get_basename (session_name);
2608                         } else {
2609                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2610                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2611                         }
2612                 } else {
2613                         session_path = "";
2614                         session_name = "";
2615                 }
2616
2617                 delete _startup;
2618                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2619
2620                 if (!_startup->ready_without_display()) {
2621                         _startup->present ();
2622                         main().run();
2623                         _startup->hide ();
2624                 }
2625
2626                 switch (_startup->response()) {
2627                 case RESPONSE_OK:
2628                         break;
2629                 default:
2630                         if (quit_on_cancel) {
2631                                 exit (1);
2632                         } else {
2633                                 return ret;
2634                         }
2635                 }
2636
2637                 /* if we run the startup dialog again, offer more than just "new session" */
2638
2639                 should_be_new = false;
2640
2641                 session_name = _startup->session_name (likely_new);
2642
2643                 if (nsm) {
2644                         likely_new = true;
2645                 }
2646
2647                 string::size_type suffix = session_name.find (statefile_suffix);
2648
2649                 if (suffix != string::npos) {
2650                         session_name = session_name.substr (0, suffix);
2651                 }
2652
2653                 /* this shouldn't happen, but we catch it just in case it does */
2654
2655                 if (session_name.empty()) {
2656                         continue;
2657                 }
2658
2659                 if (_startup->use_session_template()) {
2660                         template_name = _startup->session_template_name();
2661                         _session_is_new = true;
2662                 }
2663
2664                 if (session_name[0] == G_DIR_SEPARATOR ||
2665                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2666                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2667
2668                         /* absolute path or cwd-relative path specified for session name: infer session folder
2669                            from what was given.
2670                         */
2671
2672                         session_path = Glib::path_get_dirname (session_name);
2673                         session_name = Glib::path_get_basename (session_name);
2674
2675                 } else {
2676
2677                         session_path = _startup->session_folder();
2678
2679                         char illegal = Session::session_name_is_legal (session_name);
2680
2681                         if (illegal) {
2682                                 MessageDialog msg (*_startup,
2683                                                    string_compose (_("To ensure compatibility with various systems\n"
2684                                                                      "session names may not contain a '%1' character"),
2685                                                                    illegal));
2686                                 msg.run ();
2687                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2688                                 continue;
2689                         }
2690                 }
2691
2692                 if (create_engine ()) {
2693                         break;
2694                 }
2695
2696                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2697
2698                         if (likely_new && !nsm) {
2699
2700                                 std::string existing = Glib::build_filename (session_path, session_name);
2701
2702                                 if (!ask_about_loading_existing_session (existing)) {
2703                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2704                                         continue;
2705                                 }
2706                         }
2707
2708                         _session_is_new = false;
2709
2710                 } else {
2711
2712                         if (!likely_new) {
2713                                 if (_startup) {
2714                                         pop_back_splash (*_startup);
2715                                 } else {
2716                                         hide_splash ();
2717                                 }
2718
2719                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2720                                 msg.run ();
2721                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2722                                 continue;
2723                         }
2724
2725                         char illegal = Session::session_name_is_legal(session_name);
2726                         if (illegal) {
2727                                 pop_back_splash (*_startup);
2728                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2729                                                      "session names may not contain a '%1' character"), illegal));
2730                                 msg.run ();
2731                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2732                                 continue;
2733                         }
2734
2735                         _session_is_new = true;
2736                 }
2737
2738                 if (likely_new && template_name.empty()) {
2739
2740                         ret = build_session_from_nsd (session_path, session_name);
2741
2742                 } else {
2743
2744                         ret = load_session (session_path, session_name, template_name);
2745
2746                         if (ret == -2) {
2747                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2748                                 exit (1);
2749                         }
2750
2751                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2752                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2753                                 exit (1);
2754                         }
2755                 }
2756         }
2757
2758         return ret;
2759 }
2760
2761 void
2762 ARDOUR_UI::close_session()
2763 {
2764         if (!check_audioengine()) {
2765                 return;
2766         }
2767
2768         if (unload_session (true)) {
2769                 return;
2770         }
2771
2772         ARDOUR_COMMAND_LINE::session_name = "";
2773
2774         if (get_session_parameters (true, false)) {
2775                 exit (1);
2776         }
2777
2778         goto_editor_window ();
2779 }
2780
2781 /** @param snap_name Snapshot name (without .ardour suffix).
2782  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2783  */
2784 int
2785 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2786 {
2787         Session *new_session;
2788         int unload_status;
2789         int retval = -1;
2790
2791         session_loaded = false;
2792
2793         if (!check_audioengine()) {
2794                 return -2;
2795         }
2796
2797         unload_status = unload_session ();
2798
2799         if (unload_status < 0) {
2800                 goto out;
2801         } else if (unload_status > 0) {
2802                 retval = 0;
2803                 goto out;
2804         }
2805
2806         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2807
2808         try {
2809                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2810         }
2811
2812         /* this one is special */
2813
2814         catch (AudioEngine::PortRegistrationFailure& err) {
2815
2816                 MessageDialog msg (err.what(),
2817                                    true,
2818                                    Gtk::MESSAGE_INFO,
2819                                    Gtk::BUTTONS_CLOSE);
2820
2821                 msg.set_title (_("Port Registration Error"));
2822                 msg.set_secondary_text (_("Click the Close button to try again."));
2823                 msg.set_position (Gtk::WIN_POS_CENTER);
2824                 pop_back_splash (msg);
2825                 msg.present ();
2826
2827                 int response = msg.run ();
2828
2829                 msg.hide ();
2830
2831                 switch (response) {
2832                 case RESPONSE_CANCEL:
2833                         exit (1);
2834                 default:
2835                         break;
2836                 }
2837                 goto out;
2838         }
2839
2840         catch (...) {
2841
2842                 MessageDialog msg (string_compose(
2843                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2844                                            path, snap_name),
2845                                    true,
2846                                    Gtk::MESSAGE_INFO,
2847                                    BUTTONS_OK);
2848
2849                 msg.set_title (_("Loading Error"));
2850                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2851                 msg.add_button (Stock::REFRESH, 1);
2852                 msg.set_position (Gtk::WIN_POS_CENTER);
2853                 pop_back_splash (msg);
2854                 msg.present ();
2855
2856                 int response = msg.run ();
2857
2858                 switch (response) {
2859                 case 1:
2860                         break;
2861                 default:
2862                         exit (1);
2863                 }
2864
2865                 msg.hide ();
2866
2867                 goto out;
2868         }
2869
2870         {
2871                 list<string> const u = new_session->unknown_processors ();
2872                 if (!u.empty()) {
2873                         MissingPluginDialog d (_session, u);
2874                         d.run ();
2875                 }
2876         }
2877
2878         /* Now the session been created, add the transport controls */
2879         new_session->add_controllable(roll_controllable);
2880         new_session->add_controllable(stop_controllable);
2881         new_session->add_controllable(goto_start_controllable);
2882         new_session->add_controllable(goto_end_controllable);
2883         new_session->add_controllable(auto_loop_controllable);
2884         new_session->add_controllable(play_selection_controllable);
2885         new_session->add_controllable(rec_controllable);
2886
2887         set_session (new_session);
2888
2889         session_loaded = true;
2890
2891         goto_editor_window ();
2892
2893         if (_session) {
2894                 _session->set_clean ();
2895         }
2896
2897         flush_pending ();
2898         retval = 0;
2899
2900   out:
2901         return retval;
2902 }
2903
2904 int
2905 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2906 {
2907         Session *new_session;
2908         int x;
2909
2910         if (!check_audioengine()) {
2911                 return -1;
2912         }
2913
2914         session_loaded = false;
2915
2916         x = unload_session ();
2917
2918         if (x < 0) {
2919                 return -1;
2920         } else if (x > 0) {
2921                 return 0;
2922         }
2923
2924         _session_is_new = true;
2925
2926         try {
2927                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2928         }
2929
2930         catch (...) {
2931
2932                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2933                 pop_back_splash (msg);
2934                 msg.run ();
2935                 return -1;
2936         }
2937
2938         /* Give the new session the default GUI state, if such things exist */
2939
2940         XMLNode* n;
2941         n = Config->instant_xml (X_("Editor"));
2942         if (n) {
2943                 new_session->add_instant_xml (*n, false);
2944         }
2945         n = Config->instant_xml (X_("Mixer"));
2946         if (n) {
2947                 new_session->add_instant_xml (*n, false);
2948         }
2949
2950         /* Put the playhead at 0 and scroll fully left */
2951         n = new_session->instant_xml (X_("Editor"));
2952         if (n) {
2953                 n->add_property (X_("playhead"), X_("0"));
2954                 n->add_property (X_("left-frame"), X_("0"));
2955         }
2956
2957         set_session (new_session);
2958
2959         session_loaded = true;
2960
2961         new_session->save_state(new_session->name());
2962
2963         return 0;
2964 }
2965
2966 void
2967 ARDOUR_UI::launch_chat ()
2968 {
2969 #ifdef __APPLE__
2970         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2971 #else
2972         open_uri("http://webchat.freenode.net/?channels=ardour");
2973 #endif
2974 }
2975
2976 void
2977 ARDOUR_UI::launch_manual ()
2978 {
2979         PBD::open_uri (Config->get_tutorial_manual_url());
2980 }
2981
2982 void
2983 ARDOUR_UI::launch_reference ()
2984 {
2985         PBD::open_uri (Config->get_reference_manual_url());
2986 }
2987
2988 void
2989 ARDOUR_UI::loading_message (const std::string& msg)
2990 {
2991         if (ARDOUR_COMMAND_LINE::no_splash) {
2992                 return;
2993         }
2994
2995         if (!splash) {
2996                 show_splash ();
2997         }
2998
2999         splash->message (msg);
3000 }
3001
3002 void
3003 ARDOUR_UI::show_splash ()
3004 {
3005         if (splash == 0) {
3006                 try {
3007                         splash = new Splash;
3008                 } catch (...) {
3009                         return;
3010                 }
3011         }
3012
3013         splash->display ();
3014 }
3015
3016 void
3017 ARDOUR_UI::hide_splash ()
3018 {
3019         delete splash;
3020         splash = 0;
3021 }
3022
3023 void
3024 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3025 {
3026         size_t removed;
3027
3028         removed = rep.paths.size();
3029
3030         if (removed == 0) {
3031                 MessageDialog msgd (*editor,
3032                                     _("No files were ready for clean-up"),
3033                                     true,
3034                                     Gtk::MESSAGE_INFO,
3035                                     Gtk::BUTTONS_OK);
3036                 msgd.set_title (_("Clean-up"));
3037                 msgd.set_secondary_text (_("If this seems suprising, \n\
3038 check for any existing snapshots.\n\
3039 These may still include regions that\n\
3040 require some unused files to continue to exist."));
3041
3042                 msgd.run ();
3043                 return;
3044         }
3045
3046         ArdourDialog results (_("Clean-up"), true, false);
3047
3048         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3049             CleanupResultsModelColumns() {
3050                     add (visible_name);
3051                     add (fullpath);
3052             }
3053             Gtk::TreeModelColumn<std::string> visible_name;
3054             Gtk::TreeModelColumn<std::string> fullpath;
3055         };
3056
3057
3058         CleanupResultsModelColumns results_columns;
3059         Glib::RefPtr<Gtk::ListStore> results_model;
3060         Gtk::TreeView results_display;
3061
3062         results_model = ListStore::create (results_columns);
3063         results_display.set_model (results_model);
3064         results_display.append_column (list_title, results_columns.visible_name);
3065
3066         results_display.set_name ("CleanupResultsList");
3067         results_display.set_headers_visible (true);
3068         results_display.set_headers_clickable (false);
3069         results_display.set_reorderable (false);
3070
3071         Gtk::ScrolledWindow list_scroller;
3072         Gtk::Label txt;
3073         Gtk::VBox dvbox;
3074         Gtk::HBox dhbox;  // the hbox for the image and text
3075         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3076         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3077
3078         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3079
3080         const string dead_directory = _session->session_directory().dead_path();
3081
3082         /* subst:
3083            %1 - number of files removed
3084            %2 - location of "dead"
3085            %3 - size of files affected
3086            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3087         */
3088
3089         const char* bprefix;
3090         double space_adjusted = 0;
3091
3092         if (rep.space < 1000) {
3093                 bprefix = X_("");
3094                 space_adjusted = rep.space;
3095         } else if (rep.space < 1000000) {
3096                 bprefix = _("kilo");
3097                 space_adjusted = truncf((float)rep.space / 1000.0);
3098         } else if (rep.space < 1000000 * 1000) {
3099                 bprefix = _("mega");
3100                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3101         } else {
3102                 bprefix = _("giga");
3103                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3104         }
3105
3106         if (msg_delete) {
3107                 txt.set_markup (string_compose (P_("\
3108 The following file was deleted from %2,\n\
3109 releasing %3 %4bytes of disk space", "\
3110 The following %1 files were deleted from %2,\n\
3111 releasing %3 %4bytes of disk space", removed),
3112                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3113         } else {
3114                 txt.set_markup (string_compose (P_("\
3115 The following file was not in use and \n\
3116 has been moved to: %2\n\n\
3117 After a restart of %5\n\n\
3118 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3119 will release an additional %3 %4bytes of disk space.\n", "\
3120 The following %1 files were not in use and \n\
3121 have been moved to: %2\n\n\
3122 After a restart of %5\n\n\
3123 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3124 will release an additional %3 %4bytes of disk space.\n", removed),
3125                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3126         }
3127
3128         dhbox.pack_start (*dimage, true, false, 5);
3129         dhbox.pack_start (txt, true, false, 5);
3130
3131         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3132                 TreeModel::Row row = *(results_model->append());
3133                 row[results_columns.visible_name] = *i;
3134                 row[results_columns.fullpath] = *i;
3135         }
3136
3137         list_scroller.add (results_display);
3138         list_scroller.set_size_request (-1, 150);
3139         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3140
3141         dvbox.pack_start (dhbox, true, false, 5);
3142         dvbox.pack_start (list_scroller, true, false, 5);
3143         ddhbox.pack_start (dvbox, true, false, 5);
3144
3145         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3146         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3147         results.set_default_response (RESPONSE_CLOSE);
3148         results.set_position (Gtk::WIN_POS_MOUSE);
3149
3150         results_display.show();
3151         list_scroller.show();
3152         txt.show();
3153         dvbox.show();
3154         dhbox.show();
3155         ddhbox.show();
3156         dimage->show();
3157
3158         //results.get_vbox()->show();
3159         results.set_resizable (false);
3160
3161         results.run ();
3162
3163 }
3164
3165 void
3166 ARDOUR_UI::cleanup ()
3167 {
3168         if (_session == 0) {
3169                 /* shouldn't happen: menu item is insensitive */
3170                 return;
3171         }
3172
3173
3174         MessageDialog checker (_("Are you sure you want to clean-up?"),
3175                                 true,
3176                                 Gtk::MESSAGE_QUESTION,
3177                                 Gtk::BUTTONS_NONE);
3178
3179         checker.set_title (_("Clean-up"));
3180
3181         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3182 ALL undo/redo information will be lost if you clean-up.\n\
3183 Clean-up will move all unused files to a \"dead\" location."));
3184
3185         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3186         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3187         checker.set_default_response (RESPONSE_CANCEL);
3188
3189         checker.set_name (_("CleanupDialog"));
3190         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3191         checker.set_position (Gtk::WIN_POS_MOUSE);
3192
3193         switch (checker.run()) {
3194         case RESPONSE_ACCEPT:
3195                 break;
3196         default:
3197                 return;
3198         }
3199
3200         ARDOUR::CleanupReport rep;
3201
3202         editor->prepare_for_cleanup ();
3203
3204         /* do not allow flush until a session is reloaded */
3205
3206         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3207         if (act) {
3208                 act->set_sensitive (false);
3209         }
3210
3211         if (_session->cleanup_sources (rep)) {
3212                 editor->finish_cleanup ();
3213                 return;
3214         }
3215
3216         editor->finish_cleanup ();
3217
3218         checker.hide();
3219         display_cleanup_results (rep, _("Cleaned Files"), false);
3220 }
3221
3222 void
3223 ARDOUR_UI::flush_trash ()
3224 {
3225         if (_session == 0) {
3226                 /* shouldn't happen: menu item is insensitive */
3227                 return;
3228         }
3229
3230         ARDOUR::CleanupReport rep;
3231
3232         if (_session->cleanup_trash_sources (rep)) {
3233                 return;
3234         }
3235
3236         display_cleanup_results (rep, _("deleted file"), true);
3237 }
3238
3239 void
3240 ARDOUR_UI::add_route (Gtk::Window* float_window)
3241 {
3242         int count;
3243
3244         if (!_session) {
3245                 return;
3246         }
3247
3248         if (add_route_dialog->is_visible()) {
3249                 /* we're already doing this */
3250                 return;
3251         }
3252
3253         if (float_window) {
3254                 add_route_dialog->set_transient_for (*float_window);
3255         }
3256
3257         ResponseType r = (ResponseType) add_route_dialog->run ();
3258
3259         add_route_dialog->hide();
3260
3261         switch (r) {
3262                 case RESPONSE_ACCEPT:
3263                         break;
3264                 default:
3265                         return;
3266                         break;
3267         }
3268
3269         if ((count = add_route_dialog->count()) <= 0) {
3270                 return;
3271         }
3272
3273         PBD::ScopedConnection idle_connection;
3274
3275         if (count > 8) {
3276                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3277         }
3278
3279         string template_path = add_route_dialog->track_template();
3280
3281         if (!template_path.empty()) {
3282                 if (add_route_dialog->name_template_is_default())  {
3283                         _session->new_route_from_template (count, template_path, string());
3284                 } else {
3285                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3286                 }
3287                 return;
3288         }
3289
3290         ChanCount input_chan= add_route_dialog->channels ();
3291         ChanCount output_chan;
3292         string name_template = add_route_dialog->name_template ();
3293         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3294         RouteGroup* route_group = add_route_dialog->route_group ();
3295         AutoConnectOption oac = Config->get_output_auto_connect();
3296
3297         if (oac & AutoConnectMaster) {
3298                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3299                 output_chan.set (DataType::MIDI, 0);
3300         } else {
3301                 output_chan = input_chan;
3302         }
3303
3304         /* XXX do something with name template */
3305
3306         switch (add_route_dialog->type_wanted()) {
3307         case AddRouteDialog::AudioTrack:
3308                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3309                 break;
3310         case AddRouteDialog::MidiTrack:
3311                 session_add_midi_track (route_group, count, name_template, instrument);
3312                 break;
3313         case AddRouteDialog::MixedTrack:
3314                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3315                 break;
3316         case AddRouteDialog::AudioBus:
3317                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3318                 break;
3319         }
3320
3321         /* idle connection will end at scope end */
3322 }
3323
3324 void
3325 ARDOUR_UI::stop_video_server (bool ask_confirm)
3326 {
3327         if (!video_server_process && ask_confirm) {
3328                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3329         }
3330         if (video_server_process) {
3331                 if(ask_confirm) {
3332                         ArdourDialog confirm (_("Stop Video-Server"), true);
3333                         Label m (_("Do you really want to stop the Video Server?"));
3334                         confirm.get_vbox()->pack_start (m, true, true);
3335                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3336                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3337                         confirm.show_all ();
3338                         if (confirm.run() == RESPONSE_CANCEL) {
3339                                 return;
3340                         }
3341                 }
3342                 delete video_server_process;
3343                 video_server_process =0;
3344         }
3345 }
3346
3347 void
3348 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3349 {
3350   ARDOUR_UI::start_video_server( float_window, true);
3351 }
3352
3353 bool
3354 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3355 {
3356         if (!_session) {
3357                 return false;
3358         }
3359         if (popup_msg) {
3360                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3361                         if (video_server_process) {
3362                                 popup_error(_("The Video Server is already started."));
3363                         } else {
3364                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3365                         }
3366                 }
3367         }
3368
3369         int firsttime = 0;
3370         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3371                 if (firsttime++) {
3372                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3373                 }
3374                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3375                 if (float_window) {
3376                         video_server_dialog->set_transient_for (*float_window);
3377                 }
3378
3379                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3380                         video_server_dialog->hide();
3381                 } else {
3382                         ResponseType r = (ResponseType) video_server_dialog->run ();
3383                         video_server_dialog->hide();
3384                         if (r != RESPONSE_ACCEPT) { return false; }
3385                         if (video_server_dialog->show_again()) {
3386                                 Config->set_show_video_server_dialog(false);
3387                         }
3388                 }
3389
3390                 std::string icsd_exec = video_server_dialog->get_exec_path();
3391                 std::string icsd_docroot = video_server_dialog->get_docroot();
3392                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3393
3394                 struct stat sb;
3395                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3396                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3397                         continue;
3398                 }
3399                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3400                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3401                         warning << _("Given Video Server is not an executable file.") << endmsg;
3402                         continue;
3403                 }
3404
3405                 char **argp;
3406                 argp=(char**) calloc(9,sizeof(char*));
3407                 argp[0] = strdup(icsd_exec.c_str());
3408                 argp[1] = strdup("-P");
3409                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3410                 argp[3] = strdup("-p");
3411                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3412                 argp[5] = strdup("-C");
3413                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3414                 argp[7] = strdup(icsd_docroot.c_str());
3415                 argp[8] = 0;
3416                 stop_video_server();
3417
3418                 if (icsd_docroot == X_("/")) {
3419                         Config->set_video_advanced_setup(false);
3420                 } else {
3421                         std::ostringstream osstream;
3422                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3423                         Config->set_video_server_url(osstream.str());
3424                         Config->set_video_server_docroot(icsd_docroot);
3425                         Config->set_video_advanced_setup(true);
3426                 }
3427
3428                 video_server_process = new SystemExec(icsd_exec, argp);
3429                 video_server_process->start();
3430                 sleep(1);
3431         }
3432         return true;
3433 }
3434
3435 void
3436 ARDOUR_UI::add_video (Gtk::Window* float_window)
3437 {
3438         if (!_session) {
3439                 return;
3440         }
3441
3442         if (!start_video_server(float_window, false)) {
3443                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3444                 return;
3445         }
3446
3447         if (float_window) {
3448                 add_video_dialog->set_transient_for (*float_window);
3449         }
3450
3451         if (add_video_dialog->is_visible()) {
3452                 /* we're already doing this */
3453                 return;
3454         }
3455
3456         ResponseType r = (ResponseType) add_video_dialog->run ();
3457         add_video_dialog->hide();
3458         if (r != RESPONSE_ACCEPT) { return; }
3459
3460         bool local_file;
3461         std::string path = add_video_dialog->file_name(local_file);
3462         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3463
3464         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3465                 warning << string_compose(_("could not open %1"), path) << endmsg;
3466                 return;
3467         }
3468         if (!local_file && path.length() == 0) {
3469                 warning << _("no video-file selected") << endmsg;
3470                 return;
3471         }
3472
3473         switch (add_video_dialog->import_option()) {
3474                 case VTL_IMPORT_TRANSCODE:
3475                         {
3476                                 TranscodeVideoDialog *transcode_video_dialog;
3477                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3478                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3479                                 transcode_video_dialog->hide();
3480                                 if (r != RESPONSE_ACCEPT) {
3481                                         delete transcode_video_dialog;
3482                                         return;
3483                                 }
3484                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3485                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3486                                 }
3487                                 switch (transcode_video_dialog->import_option()) {
3488                                         case VTL_IMPORT_TRANSCODED:
3489                                                 path = transcode_video_dialog->get_filename();
3490                                                 local_file = true;
3491                                                 break;
3492                                         case VTL_IMPORT_REFERENCE:
3493                                                 break;
3494                                         default:
3495                                                 delete transcode_video_dialog;
3496                                                 return;
3497                                 }
3498                                 delete transcode_video_dialog;
3499                         }
3500                         break;
3501                 default:
3502                 case VTL_IMPORT_NONE:
3503                         break;
3504         }
3505
3506         /* strip _session->session_directory().video_path() from video file if possible */
3507         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3508                  path=path.substr(_session->session_directory().video_path().size());
3509                  if (path.at(0) == G_DIR_SEPARATOR) {
3510                          path=path.substr(1);
3511                  }
3512         }
3513
3514         video_timeline->set_update_session_fps(auto_set_session_fps);
3515         if (video_timeline->video_file_info(path, local_file)) {
3516                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3517                 node->add_property (X_("Filename"), path);
3518                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3519                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3520                 _session->add_extra_xml (*node);
3521                 _session->set_dirty ();
3522
3523                 _session->maybe_update_session_range(
3524                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3525                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3526
3527
3528                 if (add_video_dialog->launch_xjadeo() && local_file) {
3529                         editor->set_xjadeo_sensitive(true);
3530                         editor->toggle_xjadeo_proc(1);
3531                 } else {
3532                         editor->toggle_xjadeo_proc(0);
3533                 }
3534                 editor->toggle_ruler_video(true);
3535         }
3536 }
3537
3538 void
3539 ARDOUR_UI::remove_video ()
3540 {
3541         video_timeline->close_session();
3542         editor->toggle_ruler_video(false);
3543
3544         /* delete session state */
3545         XMLNode* node = new XMLNode(X_("Videotimeline"));
3546         _session->add_extra_xml(*node);
3547         node = new XMLNode(X_("Videomonitor"));
3548         _session->add_extra_xml(*node);
3549         stop_video_server();
3550 }
3551
3552 void
3553 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3554 {
3555         if (localcacheonly) {
3556                 video_timeline->vmon_update();
3557         } else {
3558                 video_timeline->flush_cache();
3559         }
3560         editor->queue_visual_videotimeline_update();
3561 }
3562
3563 XMLNode*
3564 ARDOUR_UI::mixer_settings () const
3565 {
3566         XMLNode* node = 0;
3567
3568         if (_session) {
3569                 node = _session->instant_xml(X_("Mixer"));
3570         } else {
3571                 node = Config->instant_xml(X_("Mixer"));
3572         }
3573
3574         if (!node) {
3575                 node = new XMLNode (X_("Mixer"));
3576         }
3577
3578         return node;
3579 }
3580
3581 XMLNode*
3582 ARDOUR_UI::editor_settings () const
3583 {
3584         XMLNode* node = 0;
3585
3586         if (_session) {
3587                 node = _session->instant_xml(X_("Editor"));
3588         } else {
3589                 node = Config->instant_xml(X_("Editor"));
3590         }
3591
3592         if (!node) {
3593                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3594                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3595                 }
3596         }
3597
3598         if (!node) {
3599                 node = new XMLNode (X_("Editor"));
3600         }
3601
3602         return node;
3603 }
3604
3605 XMLNode*
3606 ARDOUR_UI::keyboard_settings () const
3607 {
3608         XMLNode* node = 0;
3609
3610         node = Config->extra_xml(X_("Keyboard"));
3611
3612         if (!node) {
3613                 node = new XMLNode (X_("Keyboard"));
3614         }
3615
3616         return node;
3617 }
3618
3619 void
3620 ARDOUR_UI::create_xrun_marker (framepos_t where)
3621 {
3622         editor->mouse_add_new_marker (where, false, true);
3623 }
3624
3625 void
3626 ARDOUR_UI::halt_on_xrun_message ()
3627 {
3628         MessageDialog msg (*editor,
3629                            _("Recording was stopped because your system could not keep up."));
3630         msg.run ();
3631 }
3632
3633 void
3634 ARDOUR_UI::xrun_handler (framepos_t where)
3635 {
3636         if (!_session) {
3637                 return;
3638         }
3639
3640         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3641
3642         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3643                 create_xrun_marker(where);
3644         }
3645
3646         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3647                 halt_on_xrun_message ();
3648         }
3649 }
3650
3651 void
3652 ARDOUR_UI::disk_overrun_handler ()
3653 {
3654         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3655
3656         if (!have_disk_speed_dialog_displayed) {
3657                 have_disk_speed_dialog_displayed = true;
3658                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3659 The disk system on your computer\n\
3660 was not able to keep up with %1.\n\
3661 \n\
3662 Specifically, it failed to write data to disk\n\
3663 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3664                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3665                 msg->show ();
3666         }
3667 }
3668
3669 void
3670 ARDOUR_UI::disk_underrun_handler ()
3671 {
3672         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3673
3674         if (!have_disk_speed_dialog_displayed) {
3675                 have_disk_speed_dialog_displayed = true;
3676                 MessageDialog* msg = new MessageDialog (
3677                         *editor, string_compose (_("The disk system on your computer\n\
3678 was not able to keep up with %1.\n\
3679 \n\
3680 Specifically, it failed to read data from disk\n\
3681 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3682                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3683                 msg->show ();
3684         }
3685 }
3686
3687 void
3688 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3689 {
3690         have_disk_speed_dialog_displayed = false;
3691         delete msg;
3692 }
3693
3694 void
3695 ARDOUR_UI::session_dialog (std::string msg)
3696 {
3697         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3698
3699         MessageDialog* d;
3700
3701         if (editor) {
3702                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3703         } else {
3704                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3705         }
3706
3707         d->show_all ();
3708         d->run ();
3709         delete d;
3710 }
3711
3712 int
3713 ARDOUR_UI::pending_state_dialog ()
3714 {
3715         HBox* hbox = new HBox();
3716         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3717         ArdourDialog dialog (_("Crash Recovery"), true);
3718         Label  message (string_compose (_("\
3719 This session appears to have been in the\n\
3720 middle of recording when %1 or\n\
3721 the computer was shutdown.\n\
3722 \n\
3723 %1 can recover any captured audio for\n\
3724 you, or it can ignore it. Please decide\n\
3725 what you would like to do.\n"), PROGRAM_NAME));
3726         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3727         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3728         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3729         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3730         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3731         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3732         dialog.set_default_response (RESPONSE_ACCEPT);
3733         dialog.set_position (WIN_POS_CENTER);
3734         message.show();
3735         image->show();
3736         hbox->show();
3737
3738         switch (dialog.run ()) {
3739         case RESPONSE_ACCEPT:
3740                 return 1;
3741         default:
3742                 return 0;
3743         }
3744 }
3745
3746 int
3747 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3748 {
3749         HBox* hbox = new HBox();
3750         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3751         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3752         Label  message (string_compose (_("\
3753 This session was created with a sample rate of %1 Hz, but\n\
3754 %2 is currently running at %3 Hz.  If you load this session,\n\
3755 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3756
3757         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3758         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3759         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3760         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3761         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3762         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3763         dialog.set_default_response (RESPONSE_ACCEPT);
3764         dialog.set_position (WIN_POS_CENTER);
3765         message.show();
3766         image->show();
3767         hbox->show();
3768
3769         switch (dialog.run()) {
3770         case RESPONSE_ACCEPT:
3771                 return 0;
3772         default:
3773                 break;
3774         }
3775
3776         return 1;
3777 }
3778
3779
3780 void
3781 ARDOUR_UI::disconnect_from_jack ()
3782 {
3783         if (engine) {
3784                 if (engine->disconnect_from_jack ()) {
3785                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3786                         msg.run ();
3787                 }
3788
3789                 update_sample_rate (0);
3790         }
3791 }
3792
3793 void
3794 ARDOUR_UI::reconnect_to_jack ()
3795 {
3796         if (engine) {
3797                 if (engine->reconnect_to_jack ()) {
3798                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3799                         msg.run ();
3800                 }
3801
3802                 update_sample_rate (0);
3803         }
3804 }
3805
3806 void
3807 ARDOUR_UI::use_config ()
3808 {
3809         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3810         if (node) {
3811                 set_transport_controllable_state (*node);
3812         }
3813 }
3814
3815 void
3816 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3817 {
3818         if (Config->get_primary_clock_delta_edit_cursor()) {
3819                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3820         } else {
3821                 primary_clock->set (pos);
3822         }
3823
3824         if (Config->get_secondary_clock_delta_edit_cursor()) {
3825                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3826         } else {
3827                 secondary_clock->set (pos);
3828         }
3829
3830         if (big_clock_window) {
3831                 big_clock->set (pos);
3832         }
3833         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3834 }
3835
3836 void
3837 ARDOUR_UI::step_edit_status_change (bool yn)
3838 {
3839         // XXX should really store pre-step edit status of things
3840         // we make insensitive
3841
3842         if (yn) {
3843                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3844                 rec_button.set_sensitive (false);
3845         } else {
3846                 rec_button.unset_active_state ();;
3847                 rec_button.set_sensitive (true);
3848         }
3849 }
3850
3851 void
3852 ARDOUR_UI::record_state_changed ()
3853 {
3854         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3855
3856         if (!_session || !big_clock_window) {
3857                 /* why bother - the clock isn't visible */
3858                 return;
3859         }
3860
3861         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3862                 big_clock->set_active (true);
3863         } else {
3864                 big_clock->set_active (false);
3865         }
3866 }
3867
3868 bool
3869 ARDOUR_UI::first_idle ()
3870 {
3871         if (_session) {
3872                 _session->allow_auto_play (true);
3873         }
3874
3875         if (editor) {
3876                 editor->first_idle();
3877         }
3878
3879         Keyboard::set_can_save_keybindings (true);
3880         return false;
3881 }
3882
3883 void
3884 ARDOUR_UI::store_clock_modes ()
3885 {
3886         XMLNode* node = new XMLNode(X_("ClockModes"));
3887
3888         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3889                 XMLNode* child = new XMLNode (X_("Clock"));
3890
3891                 child->add_property (X_("name"), (*x)->name());
3892                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3893                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3894
3895                 node->add_child_nocopy (*child);
3896         }
3897
3898         _session->add_extra_xml (*node);
3899         _session->set_dirty ();
3900 }
3901
3902 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3903         : Controllable (name), ui (u), type(tp)
3904 {
3905
3906 }
3907
3908 void
3909 ARDOUR_UI::TransportControllable::set_value (double val)
3910 {
3911         if (val < 0.5) {
3912                 /* do nothing: these are radio-style actions */
3913                 return;
3914         }
3915
3916         const char *action = 0;
3917
3918         switch (type) {
3919         case Roll:
3920                 action = X_("Roll");
3921                 break;
3922         case Stop:
3923                 action = X_("Stop");
3924                 break;
3925         case GotoStart:
3926                 action = X_("GotoStart");
3927                 break;
3928         case GotoEnd:
3929                 action = X_("GotoEnd");
3930                 break;
3931         case AutoLoop:
3932                 action = X_("Loop");
3933                 break;
3934         case PlaySelection:
3935                 action = X_("PlaySelection");
3936                 break;
3937         case RecordEnable:
3938                 action = X_("Record");
3939                 break;
3940         default:
3941                 break;
3942         }
3943
3944         if (action == 0) {
3945                 return;
3946         }
3947
3948         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3949
3950         if (act) {
3951                 act->activate ();
3952         }
3953 }
3954
3955 double
3956 ARDOUR_UI::TransportControllable::get_value (void) const
3957 {
3958         float val = 0.0;
3959
3960         switch (type) {
3961         case Roll:
3962                 break;
3963         case Stop:
3964                 break;
3965         case GotoStart:
3966                 break;
3967         case GotoEnd:
3968                 break;
3969         case AutoLoop:
3970                 break;
3971         case PlaySelection:
3972                 break;
3973         case RecordEnable:
3974                 break;
3975         default:
3976                 break;
3977         }
3978
3979         return val;
3980 }
3981
3982 void
3983 ARDOUR_UI::setup_profile ()
3984 {
3985         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3986                 Profile->set_small_screen ();
3987         }
3988
3989         if (getenv ("ARDOUR_SAE")) {
3990                 Profile->set_sae ();
3991                 Profile->set_single_package ();
3992         }
3993 }
3994
3995 int
3996 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
3997 {
3998         MissingFileDialog dialog (s, str, type);
3999
4000         dialog.show ();
4001         dialog.present ();
4002
4003         int result = dialog.run ();
4004         dialog.hide ();
4005
4006         switch (result) {
4007         case RESPONSE_OK:
4008                 break;
4009         default:
4010                 return 1; // quit entire session load
4011         }
4012
4013         result = dialog.get_action ();
4014
4015         return result;
4016 }
4017
4018 int
4019 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4020 {
4021         AmbiguousFileDialog dialog (file, hits);
4022
4023         dialog.show ();
4024         dialog.present ();
4025
4026         dialog.run ();
4027         return dialog.get_which ();
4028 }
4029
4030 /** Allocate our thread-local buffers */
4031 void
4032 ARDOUR_UI::get_process_buffers ()
4033 {
4034         _process_thread->get_buffers ();
4035 }
4036
4037 /** Drop our thread-local buffers */
4038 void
4039 ARDOUR_UI::drop_process_buffers ()
4040 {
4041         _process_thread->drop_buffers ();
4042 }
4043
4044 void
4045 ARDOUR_UI::feedback_detected ()
4046 {
4047         _feedback_exists = true;
4048 }
4049
4050 void
4051 ARDOUR_UI::successful_graph_sort ()
4052 {
4053         _feedback_exists = false;
4054 }
4055
4056 void
4057 ARDOUR_UI::midi_panic ()
4058 {
4059         if (_session) {
4060                 _session->midi_panic();
4061         }
4062 }
4063
4064 void
4065 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4066 {
4067         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4068         const char* end_big = "</span>";
4069         const char* start_mono = "<tt>";
4070         const char* end_mono = "</tt>";
4071
4072         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4073                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4074                                              "From now on, use the -2000 version with older versions of %3"),
4075                                            xml_path, backup_path, PROGRAM_NAME,
4076                                            start_big, end_big,
4077                                            start_mono, end_mono), true);
4078
4079         msg.run ();
4080 }