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 <stdint.h>
  25
  26 #include <algorithm>
  27 #include <cmath>
  28 #include <fcntl.h>
  29 #include <signal.h>
  30 #include <unistd.h>
  31 #include <time.h>
  32 #include <cerrno>
  33 #include <fstream>
  34
  35 #include <iostream>
  36
  37 #include <sys/resource.h>
  38 #include <sys/types.h>
  39 #include <sys/sysctl.h>
  40
  41 #include <gtkmm/messagedialog.h>
  42 #include <gtkmm/accelmap.h>
  43
  44 #include "pbd/error.h"
  45 #include "pbd/basename.h"
  46 #include "pbd/compose.h"
  47 #include "pbd/failed_constructor.h"
  48 #include "pbd/enumwriter.h"
  49 #include "pbd/memento_command.h"
  50 #include "pbd/openuri.h"
  51 #include "pbd/file_utils.h"
  52
  53 #include "gtkmm2ext/application.h"
  54 #include "gtkmm2ext/bindings.h"
  55 #include "gtkmm2ext/gtk_ui.h"
  56 #include "gtkmm2ext/utils.h"
  57 #include "gtkmm2ext/click_box.h"
  58 #include "gtkmm2ext/fastmeter.h"
  59 #include "gtkmm2ext/popup.h"
  60 #include "gtkmm2ext/window_title.h"
  61
  62 #include "midi++/manager.h"
  63
  64 #include "ardour/ardour.h"
  65 #include "ardour/audioengine.h"
  66 #include "ardour/audiofilesource.h"
  67 #include "ardour/automation_watch.h"
  68 #include "ardour/diskstream.h"
  69 #include "ardour/filename_extensions.h"
  70 #include "ardour/filesystem_paths.h"
  71 #include "ardour/port.h"
  72 #include "ardour/process_thread.h"
  73 #include "ardour/profile.h"
  74 #include "ardour/recent_sessions.h"
  75 #include "ardour/session_directory.h"
  76 #include "ardour/session_route.h"
  77 #include "ardour/session_state_utils.h"
  78 #include "ardour/session_utils.h"
  79 #include "ardour/slave.h"
  80
  81 #include "timecode/time.h"
  82
  83 typedef uint64_t microseconds_t;
  84
  85 #include "about.h"
  86 #include "actions.h"
  87 #include "add_route_dialog.h"
  88 #include "ambiguous_file_dialog.h"
  89 #include "ardour_ui.h"
  90 #include "audio_clock.h"
  91 #include "bundle_manager.h"
  92 #include "engine_dialog.h"
  93 #include "gain_meter.h"
  94 #include "global_port_matrix.h"
  95 #include "gui_object.h"
  96 #include "gui_thread.h"
  97 #include "keyboard.h"
  98 #include "location_ui.h"
  99 #include "main_clock.h"
 100 #include "missing_file_dialog.h"
 101 #include "missing_plugin_dialog.h"
 102 #include "mixer_ui.h"
 103 #include "mouse_cursors.h"
 104 #include "opts.h"
 105 #include "pingback.h"
 106 #include "processor_box.h"
 107 #include "prompter.h"
 108 #include "public_editor.h"
 109 #include "route_time_axis.h"
 110 #include "session_metadata_dialog.h"
 111 #include "shuttle_control.h"
 112 #include "speaker_dialog.h"
 113 #include "splash.h"
 114 #include "startup.h"
 115 #include "theme_manager.h"
 116 #include "time_axis_view_item.h"
 117 #include "utils.h"
 118 #include "window_proxy.h"
 119 #ifdef WITH_VIDEOTIMELINE
 120 #include "video_server_dialog.h"
 121 #include "add_video_dialog.h"
 122 #include "transcode_video_dialog.h"
 123 #include "system_exec.h" /* to launch video-server */
 124 #endif
 125
 126 #include "i18n.h"
 127
 128 using namespace ARDOUR;
 129 using namespace PBD;
 130 using namespace Gtkmm2ext;
 131 using namespace Gtk;
 132 using namespace std;
 133
 134 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 135 UIConfiguration *ARDOUR_UI::ui_config = 0;
 136
 137 sigc::signal<void,bool> ARDOUR_UI::Blink;
 138 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 139 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 140 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 141
 142 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 143
 144         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 145
 146         , gui_object_state (new GUIObjectState)
 147         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 148         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 149
 150           /* big clock */
 151
 152         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 153
 154           /* transport */
 155
 156         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 157         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 158         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 159         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 160         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 161         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 162         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 163
 164         , auto_return_button (ArdourButton::led_default_elements)
 165         , follow_edits_button (ArdourButton::led_default_elements)
 166         , auto_input_button (ArdourButton::led_default_elements)
 167
 168         , auditioning_alert_button (_("audition"))
 169         , solo_alert_button (_("solo"))
 170         , feedback_alert_button (_("feedback"))
 171
 172         , error_log_button (_("Errors"))
 173
 174         , _status_bar_visibility (X_("status-bar"))
 175         , _feedback_exists (false)
 176
 177 {
 178         Gtkmm2ext::init(localedir);
 179
 180         about = 0;
 181         splash = 0;
 182         _startup = 0;
 183
 184         if (theArdourUI == 0) {
 185                 theArdourUI = this;
 186         }
 187
 188         ui_config = new UIConfiguration();
 189         theme_manager = new ThemeManager();
 190
 191         key_editor = 0;
 192
 193         editor = 0;
 194         mixer = 0;
 195         editor = 0;
 196         engine = 0;
 197         _session_is_new = false;
 198         big_clock_window = 0;
 199         big_clock_height = 0;
 200         big_clock_resize_in_progress = false;
 201         session_selector_window = 0;
 202         last_key_press_time = 0;
 203         add_route_dialog = 0;
 204 #ifdef WITH_VIDEOTIMELINE
 205         add_video_dialog = 0;
 206         video_server_process = 0;
 207 #endif
 208         route_params = 0;
 209         bundle_manager = 0;
 210         rc_option_editor = 0;
 211         session_option_editor = 0;
 212         location_ui = 0;
 213         open_session_selector = 0;
 214         have_configure_timeout = false;
 215         have_disk_speed_dialog_displayed = false;
 216         session_loaded = false;
 217         ignore_dual_punch = false;
 218         original_big_clock_width = -1;
 219         original_big_clock_height = -1;
 220         original_big_clock_font_size = 0;
 221
 222         roll_button.set_controllable (roll_controllable);
 223         stop_button.set_controllable (stop_controllable);
 224         goto_start_button.set_controllable (goto_start_controllable);
 225         goto_end_button.set_controllable (goto_end_controllable);
 226         auto_loop_button.set_controllable (auto_loop_controllable);
 227         play_selection_button.set_controllable (play_selection_controllable);
 228         rec_button.set_controllable (rec_controllable);
 229
 230         roll_button.set_name ("transport button");
 231         stop_button.set_name ("transport button");
 232         goto_start_button.set_name ("transport button");
 233         goto_end_button.set_name ("transport button");
 234         auto_loop_button.set_name ("transport button");
 235         play_selection_button.set_name ("transport button");
 236         rec_button.set_name ("transport recenable button");
 237         midi_panic_button.set_name ("transport button");
 238
 239         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 240         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 241         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 242
 243         last_configure_time= 0;
 244         last_peak_grab = 0;
 245
 246         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 247         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 248
 249         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 250
 251         /* handle dialog requests */
 252
 253         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 254
 255         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 256
 257         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 258
 259         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 260
 261         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 262
 263         /* handle requests to quit (coming from JACK session) */
 264
 265         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 266
 267         /* tell the user about feedback */
 268
 269         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 270         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 271
 272         /* handle requests to deal with missing files */
 273
 274         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 275
 276         /* and ambiguous files */
 277
 278         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 279
 280         /* lets get this party started */
 281
 282         try {
 283                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 284                         throw failed_constructor ();
 285                 }
 286
 287                 setup_gtk_ardour_enums ();
 288                 setup_profile ();
 289
 290                 SessionEvent::create_per_thread_pool ("GUI", 512);
 291
 292         } catch (failed_constructor& err) {
 293                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 294                 // pass it on up
 295                 throw;
 296         }
 297
 298         /* we like keyboards */
 299
 300         keyboard = new ArdourKeyboard(*this);
 301
 302         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 303         if (node) {
 304                 keyboard->set_state (*node, Stateful::loading_state_version);
 305         }
 306
 307         /* we don't like certain modifiers */
 308         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 309
 310         reset_dpi();
 311
 312         TimeAxisViewItem::set_constant_heights ();
 313
 314         /* The following must happen after ARDOUR::init() so that Config is set up */
 315
 316         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
 317         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
 318         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
 319
 320         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 321                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
 322                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
 323                         Config->extra_xml (X_("UI")),
 324                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
 325                         );
 326         }
 327
 328         setup_clock ();
 329
 330         SpeakerDialog* s = new SpeakerDialog ();
 331         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
 332         speaker_config_window->set (s);
 333
 334         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 335         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 336
 337         _process_thread = new ProcessThread ();
 338         _process_thread->init ();
 339
 340         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 341 }
 342
 343
 344 int
 345 ARDOUR_UI::create_engine ()
 346 {
 347         // this gets called every time by new_session()
 348
 349         if (engine) {
 350                 return 0;
 351         }
 352
 353         loading_message (_("Starting audio engine"));
 354
 355         try {
 356                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 357
 358         } catch (...) {
 359
 360                 return -1;
 361         }
 362
 363         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 364         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 365         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 366
 367         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 368
 369         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 370
 371         post_engine ();
 372
 373         return 0;
 374 }
 375
 376 void
 377 ARDOUR_UI::post_engine ()
 378 {
 379         /* Things to be done once we create the AudioEngine
 380          */
 381
 382         ARDOUR::init_post_engine ();
 383
 384         /* load up the UI manager */
 385
 386         ActionManager::init ();
 387
 388         _tooltips.enable();
 389
 390         if (setup_windows ()) {
 391                 throw failed_constructor ();
 392         }
 393
 394         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 395         XMLNode* n = Config->extra_xml (X_("UI"));
 396         if (n) {
 397                 _status_bar_visibility.set_state (*n);
 398         }
 399
 400         check_memory_locking();
 401
 402         /* this is the first point at which all the keybindings are available */
 403
 404         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 405                 vector<string> names;
 406                 vector<string> paths;
 407                 vector<string> tooltips;
 408                 vector<string> keys;
 409                 vector<AccelKey> bindings;
 410
 411                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 412
 413                 vector<string>::iterator n;
 414                 vector<string>::iterator k;
 415                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 416                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 417                 }
 418
 419                 exit (0);
 420         }
 421
 422         blink_timeout_tag = -1;
 423
 424         /* this being a GUI and all, we want peakfiles */
 425
 426         AudioFileSource::set_build_peakfiles (true);
 427         AudioFileSource::set_build_missing_peakfiles (true);
 428
 429         /* set default clock modes */
 430
 431         if (Profile->get_sae()) {
 432                 primary_clock->set_mode (AudioClock::BBT);
 433                 secondary_clock->set_mode (AudioClock::MinSec);
 434         }  else {
 435                 primary_clock->set_mode (AudioClock::Timecode);
 436                 secondary_clock->set_mode (AudioClock::BBT);
 437         }
 438
 439         /* start the time-of-day-clock */
 440
 441 #ifndef GTKOSX
 442         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 443         update_wall_clock ();
 444         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 445 #endif
 446
 447         update_disk_space ();
 448         update_cpu_load ();
 449         update_sample_rate (engine->frame_rate());
 450         update_timecode_format ();
 451
 452         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 453         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 454         Config->map_parameters (pc);
 455
 456         /* now start and maybe save state */
 457
 458         if (do_engine_start () == 0) {
 459                 if (_session && _session_is_new) {
 460                         /* we need to retain initial visual
 461                            settings for a new session
 462                         */
 463                         _session->save_state ("");
 464                 }
 465         }
 466 }
 467
 468 ARDOUR_UI::~ARDOUR_UI ()
 469 {
 470         delete keyboard;
 471         delete editor;
 472         delete mixer;
 473         delete add_route_dialog;
 474 #ifdef WITH_VIDEOTIMELINE
 475         if (add_video_dialog) delete add_video_dialog;
 476         stop_video_server();
 477 #endif
 478 }
 479
 480 void
 481 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 482 {
 483         if (Splash::instance()) {
 484                 Splash::instance()->pop_back_for (win);
 485         }
 486 }
 487
 488 gint
 489 ARDOUR_UI::configure_timeout ()
 490 {
 491         if (last_configure_time == 0) {
 492                 /* no configure events yet */
 493                 return true;
 494         }
 495
 496         /* force a gap of 0.5 seconds since the last configure event
 497          */
 498
 499         if (get_microseconds() - last_configure_time < 500000) {
 500                 return true;
 501         } else {
 502                 have_configure_timeout = false;
 503                 save_ardour_state ();
 504                 return false;
 505         }
 506 }
 507
 508 gboolean
 509 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 510 {
 511         if (have_configure_timeout) {
 512                 last_configure_time = get_microseconds();
 513         } else {
 514                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 515                 have_configure_timeout = true;
 516         }
 517
 518         return FALSE;
 519 }
 520
 521 void
 522 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 523 {
 524         const XMLProperty* prop;
 525
 526         if ((prop = node.property ("roll")) != 0) {
 527                 roll_controllable->set_id (prop->value());
 528         }
 529         if ((prop = node.property ("stop")) != 0) {
 530                 stop_controllable->set_id (prop->value());
 531         }
 532         if ((prop = node.property ("goto-start")) != 0) {
 533                 goto_start_controllable->set_id (prop->value());
 534         }
 535         if ((prop = node.property ("goto-end")) != 0) {
 536                 goto_end_controllable->set_id (prop->value());
 537         }
 538         if ((prop = node.property ("auto-loop")) != 0) {
 539                 auto_loop_controllable->set_id (prop->value());
 540         }
 541         if ((prop = node.property ("play-selection")) != 0) {
 542                 play_selection_controllable->set_id (prop->value());
 543         }
 544         if ((prop = node.property ("rec")) != 0) {
 545                 rec_controllable->set_id (prop->value());
 546         }
 547         if ((prop = node.property ("shuttle")) != 0) {
 548                 shuttle_box->controllable()->set_id (prop->value());
 549         }
 550 }
 551
 552 XMLNode&
 553 ARDOUR_UI::get_transport_controllable_state ()
 554 {
 555         XMLNode* node = new XMLNode(X_("TransportControllables"));
 556         char buf[64];
 557
 558         roll_controllable->id().print (buf, sizeof (buf));
 559         node->add_property (X_("roll"), buf);
 560         stop_controllable->id().print (buf, sizeof (buf));
 561         node->add_property (X_("stop"), buf);
 562         goto_start_controllable->id().print (buf, sizeof (buf));
 563         node->add_property (X_("goto_start"), buf);
 564         goto_end_controllable->id().print (buf, sizeof (buf));
 565         node->add_property (X_("goto_end"), buf);
 566         auto_loop_controllable->id().print (buf, sizeof (buf));
 567         node->add_property (X_("auto_loop"), buf);
 568         play_selection_controllable->id().print (buf, sizeof (buf));
 569         node->add_property (X_("play_selection"), buf);
 570         rec_controllable->id().print (buf, sizeof (buf));
 571         node->add_property (X_("rec"), buf);
 572         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 573         node->add_property (X_("shuttle"), buf);
 574
 575         return *node;
 576 }
 577
 578
 579 gint
 580 ARDOUR_UI::autosave_session ()
 581 {
 582         if (g_main_depth() > 1) {
 583                 /* inside a recursive main loop,
 584                    give up because we may not be able to
 585                    take a lock.
 586                 */
 587                 return 1;
 588         }
 589
 590         if (!Config->get_periodic_safety_backups()) {
 591                 return 1;
 592         }
 593
 594         if (_session) {
 595                 _session->maybe_write_autosave();
 596         }
 597
 598         return 1;
 599 }
 600
 601 void
 602 ARDOUR_UI::update_autosave ()
 603 {
 604         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 605
 606         if (_session && _session->dirty()) {
 607                 if (_autosave_connection.connected()) {
 608                         _autosave_connection.disconnect();
 609                 }
 610
 611                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 612                                 Config->get_periodic_safety_backup_interval() * 1000);
 613
 614         } else {
 615                 if (_autosave_connection.connected()) {
 616                         _autosave_connection.disconnect();
 617                 }
 618         }
 619 }
 620
 621 void
 622 ARDOUR_UI::check_announcements ()
 623 {
 624 #ifdef PHONE_HOME
 625         string _annc_filename;
 626
 627 #ifdef __APPLE__
 628         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 629 #else
 630         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 631 #endif
 632         _annc_filename.append (VERSIONSTRING);
 633
 634         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 635         std::ifstream announce_file (path.c_str());
 636         if ( announce_file.fail() )
 637                 _announce_string = "";
 638         else {
 639                 std::stringstream oss;
 640                 oss << announce_file.rdbuf();
 641                 _announce_string = oss.str();
 642         }
 643
 644         pingback (VERSIONSTRING, path);
 645 #endif
 646 }
 647
 648 void
 649 ARDOUR_UI::startup ()
 650 {
 651         Application* app = Application::instance ();
 652         char *nsm_url;
 653         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 654         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 655
 656         if (ARDOUR_COMMAND_LINE::check_announcements) {
 657                 check_announcements ();
 658         }
 659
 660         app->ready ();
 661
 662         nsm_url = getenv ("NSM_URL");
 663         nsm = 0;
 664
 665         if (nsm_url) {
 666                 nsm = new NSM_Client;
 667                 if (!nsm->init (nsm_url)) {
 668                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 669
 670                         unsigned int i = 0;
 671                         // wait for announce reply from nsm server
 672                         for ( i = 0; i < 5000; ++i) {
 673                                 nsm->check ();
 674                                 usleep (i);
 675                                 if (nsm->is_active())
 676                                         break;
 677                         }
 678                         // wait for open command from nsm server
 679                         for ( i = 0; i < 5000; ++i) {
 680                                 nsm->check ();
 681                                 usleep (1000);
 682                                 if (nsm->client_id ())
 683                                         break;
 684                         }
 685
 686                         if (_session && nsm) {
 687                                 _session->set_nsm_state( nsm->is_active() );
 688                         }
 689
 690                         // nsm requires these actions disabled
 691                         vector<string> action_names;
 692                         action_names.push_back("SaveAs");
 693                         action_names.push_back("Rename");
 694                         action_names.push_back("New");
 695                         action_names.push_back("Open");
 696                         action_names.push_back("Recent");
 697                         action_names.push_back("Close");
 698
 699                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 700                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 701                                 if (act) {
 702                                         act->set_sensitive (false);
 703                                 }
 704                         }
 705
 706                 }
 707                 else {
 708                         delete nsm;
 709                         nsm = 0;
 710                 }
 711         }
 712
 713         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 714                 exit (1);
 715         }
 716
 717         use_config ();
 718
 719         goto_editor_window ();
 720
 721         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
 722            to be opened on top of the editor window that goto_editor_window() just opened.
 723         */
 724         add_window_proxy (location_ui);
 725         add_window_proxy (big_clock_window);
 726         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 727                 add_window_proxy (_global_port_matrix[*i]);
 728         }
 729
 730         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 731          * editor window, and we may want stuff to be hidden.
 732          */
 733         _status_bar_visibility.update ();
 734
 735         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 736 }
 737
 738 void
 739 ARDOUR_UI::no_memory_warning ()
 740 {
 741         XMLNode node (X_("no-memory-warning"));
 742         Config->add_instant_xml (node);
 743 }
 744
 745 void
 746 ARDOUR_UI::check_memory_locking ()
 747 {
 748 #ifdef __APPLE__
 749         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 750         return;
 751 #else // !__APPLE__
 752
 753         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 754
 755         if (engine->is_realtime() && memory_warning_node == 0) {
 756
 757                 struct rlimit limits;
 758                 int64_t ram;
 759                 long pages, page_size;
 760 #ifdef __FreeBSD__
 761                 size_t pages_len=sizeof(pages);
 762                 if ((page_size = getpagesize()) < 0 ||
 763                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 764 #else
 765                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 766 #endif
 767                 {
 768                         ram = 0;
 769                 } else {
 770                         ram = (int64_t) pages * (int64_t) page_size;
 771                 }
 772
 773                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 774                         return;
 775                 }
 776
 777                 if (limits.rlim_cur != RLIM_INFINITY) {
 778
 779                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 780
 781                                 MessageDialog msg (
 782                                         string_compose (
 783                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 784                                                   "This might cause %1 to run out of memory before your system "
 785                                                   "runs out of memory. \n\n"
 786                                                   "You can view the memory limit with 'ulimit -l', "
 787                                                   "and it is normally controlled by %2"),
 788                                                 PROGRAM_NAME).c_str(),
 789 #ifdef __FreeBSD__
 790                                         X_("/etc/login.conf")
 791 #else
 792                                         X_(" /etc/security/limits.conf")
 793 #endif
 794                                         );
 795
 796                                 msg.set_default_response (RESPONSE_OK);
 797
 798                                 VBox* vbox = msg.get_vbox();
 799                                 HBox hbox;
 800                                 CheckButton cb (_("Do not show this window again"));
 801
 802                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 803
 804                                 hbox.pack_start (cb, true, false);
 805                                 vbox->pack_start (hbox);
 806                                 cb.show();
 807                                 vbox->show();
 808                                 hbox.show ();
 809
 810                                 pop_back_splash (msg);
 811
 812                                 editor->ensure_float (msg);
 813                                 msg.run ();
 814                         }
 815                 }
 816         }
 817 #endif // !__APPLE__
 818 }
 819
 820
 821 void
 822 ARDOUR_UI::queue_finish ()
 823 {
 824         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 825 }
 826
 827 bool
 828 ARDOUR_UI::idle_finish ()
 829 {
 830         finish ();
 831         return false; /* do not call again */
 832 }
 833
 834 void
 835 ARDOUR_UI::finish()
 836 {
 837         if (_session) {
 838 #ifdef WITH_VIDEOTIMELINE
 839                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 840 #endif
 841
 842                 if (_session->dirty()) {
 843                         vector<string> actions;
 844                         actions.push_back (_("Don't quit"));
 845                         actions.push_back (_("Just quit"));
 846                         actions.push_back (_("Save and quit"));
 847                         switch (ask_about_saving_session(actions)) {
 848                         case -1:
 849                                 return;
 850                                 break;
 851                         case 1:
 852                                 /* use the default name */
 853                                 if (save_state_canfail ("")) {
 854                                         /* failed - don't quit */
 855                                         MessageDialog msg (*editor,
 856                                                            string_compose (_("\
 857 %1 was unable to save your session.\n\n\
 858 If you still wish to quit, please use the\n\n\
 859 \"Just quit\" option."), PROGRAM_NAME));
 860                                         pop_back_splash(msg);
 861                                         msg.run ();
 862                                         return;
 863                                 }
 864                                 break;
 865                         case 0:
 866                                 break;
 867                         }
 868                 }
 869
 870                 second_connection.disconnect ();
 871                 point_one_second_connection.disconnect ();
 872                 point_oh_five_second_connection.disconnect ();
 873                 point_zero_one_second_connection.disconnect();
 874         }
 875
 876 #ifdef WITH_VIDEOTIMELINE
 877         delete ARDOUR_UI::instance()->video_timeline;
 878         stop_video_server();
 879 #endif
 880
 881         /* Save state before deleting the session, as that causes some
 882            windows to be destroyed before their visible state can be
 883            saved.
 884         */
 885         save_ardour_state ();
 886
 887         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 888
 889         if (_session) {
 890                 // _session->set_deletion_in_progress ();
 891                 _session->set_clean ();
 892                 _session->remove_pending_capture_state ();
 893                 delete _session;
 894                 _session = 0;
 895         }
 896
 897         ArdourDialog::close_all_dialogs ();
 898         engine->stop (true);
 899         quit ();
 900 }
 901
 902 int
 903 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 904 {
 905         ArdourDialog window (_("Unsaved Session"));
 906         Gtk::HBox dhbox;  // the hbox for the image and text
 907         Gtk::Label  prompt_label;
 908         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 909
 910         string msg;
 911
 912         assert (actions.size() >= 3);
 913
 914         window.add_button (actions[0], RESPONSE_REJECT);
 915         window.add_button (actions[1], RESPONSE_APPLY);
 916         window.add_button (actions[2], RESPONSE_ACCEPT);
 917
 918         window.set_default_response (RESPONSE_ACCEPT);
 919
 920         Gtk::Button noquit_button (msg);
 921         noquit_button.set_name ("EditorGTKButton");
 922
 923         string prompt;
 924
 925         if (_session->snap_name() == _session->name()) {
 926                 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?"),
 927                                         _session->snap_name());
 928         } else {
 929                 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?"),
 930                                         _session->snap_name());
 931         }
 932
 933         prompt_label.set_text (prompt);
 934         prompt_label.set_name (X_("PrompterLabel"));
 935         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 936
 937         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 938         dhbox.set_homogeneous (false);
 939         dhbox.pack_start (*dimage, false, false, 5);
 940         dhbox.pack_start (prompt_label, true, false, 5);
 941         window.get_vbox()->pack_start (dhbox);
 942
 943         window.set_name (_("Prompter"));
 944         window.set_position (Gtk::WIN_POS_MOUSE);
 945         window.set_modal (true);
 946         window.set_resizable (false);
 947
 948         dhbox.show();
 949         prompt_label.show();
 950         dimage->show();
 951         window.show();
 952         window.set_keep_above (true);
 953         window.present ();
 954
 955         ResponseType r = (ResponseType) window.run();
 956
 957         window.hide ();
 958
 959         switch (r) {
 960         case RESPONSE_ACCEPT: // save and get out of here
 961                 return 1;
 962         case RESPONSE_APPLY:  // get out of here
 963                 return 0;
 964         default:
 965                 break;
 966         }
 967
 968         return -1;
 969 }
 970
 971
 972 gint
 973 ARDOUR_UI::every_second ()
 974 {
 975         update_cpu_load ();
 976         update_buffer_load ();
 977         update_disk_space ();
 978         update_timecode_format ();
 979
 980         if (nsm && nsm->is_active ()) {
 981                 nsm->check ();
 982
 983                 if (!_was_dirty && _session->dirty ()) {
 984                         nsm->is_dirty ();
 985                         _was_dirty = true;
 986                 }
 987                 else if (_was_dirty && !_session->dirty ()){
 988                         nsm->is_clean ();
 989                         _was_dirty = false;
 990                 }
 991         }
 992         return TRUE;
 993 }
 994
 995 gint
 996 ARDOUR_UI::every_point_one_seconds ()
 997 {
 998         shuttle_box->update_speed_display ();
 999         RapidScreenUpdate(); /* EMIT_SIGNAL */
1000         return TRUE;
1001 }
1002
1003 gint
1004 ARDOUR_UI::every_point_zero_one_seconds ()
1005 {
1006         // august 2007: actual update frequency: 40Hz, not 100Hz
1007
1008         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1009         return TRUE;
1010 }
1011
1012 void
1013 ARDOUR_UI::update_sample_rate (framecnt_t)
1014 {
1015         char buf[64];
1016
1017         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1018
1019         if (!engine->connected()) {
1020
1021                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1022
1023         } else {
1024
1025                 framecnt_t rate = engine->frame_rate();
1026
1027                 if (fmod (rate, 1000.0) != 0.0) {
1028                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1029                                   (float) rate/1000.0f,
1030                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1031                 } else {
1032                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1033                                   rate/1000,
1034                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1035                 }
1036         }
1037
1038         sample_rate_label.set_markup (buf);
1039 }
1040
1041 void
1042 ARDOUR_UI::update_format ()
1043 {
1044         if (!_session) {
1045                 format_label.set_text ("");
1046                 return;
1047         }
1048
1049         stringstream s;
1050         s << _("File:") << X_(" <span foreground=\"green\">");
1051
1052         switch (_session->config.get_native_file_header_format ()) {
1053         case BWF:
1054                 s << _("BWF");
1055                 break;
1056         case WAVE:
1057                 s << _("WAV");
1058                 break;
1059         case WAVE64:
1060                 s << _("WAV64");
1061                 break;
1062         case CAF:
1063                 s << _("CAF");
1064                 break;
1065         case AIFF:
1066                 s << _("AIFF");
1067                 break;
1068         case iXML:
1069                 s << _("iXML");
1070                 break;
1071         case RF64:
1072                 s << _("RF64");
1073                 break;
1074         }
1075
1076         s << " ";
1077
1078         switch (_session->config.get_native_file_data_format ()) {
1079         case FormatFloat:
1080                 s << _("32-float");
1081                 break;
1082         case FormatInt24:
1083                 s << _("24-int");
1084                 break;
1085         case FormatInt16:
1086                 s << _("16-int");
1087                 break;
1088         }
1089
1090         s << X_("</span>");
1091
1092         format_label.set_markup (s.str ());
1093 }
1094
1095 void
1096 ARDOUR_UI::update_cpu_load ()
1097 {
1098         char buf[64];
1099
1100         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1101            should also be changed.
1102         */
1103
1104         float const c = engine->get_cpu_load ();
1105         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1106         cpu_load_label.set_markup (buf);
1107 }
1108
1109 void
1110 ARDOUR_UI::update_buffer_load ()
1111 {
1112         char buf[256];
1113
1114         uint32_t const playback = _session ? _session->playback_load () : 100;
1115         uint32_t const capture = _session ? _session->capture_load () : 100;
1116
1117         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1118            should also be changed.
1119         */
1120
1121         if (_session) {
1122                 snprintf (
1123                         buf, sizeof (buf),
1124                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1125                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1126                         playback <= 5 ? X_("red") : X_("green"),
1127                         playback,
1128                         capture <= 5 ? X_("red") : X_("green"),
1129                         capture
1130                         );
1131
1132                 buffer_load_label.set_markup (buf);
1133         } else {
1134                 buffer_load_label.set_text ("");
1135         }
1136 }
1137
1138 void
1139 ARDOUR_UI::count_recenabled_streams (Route& route)
1140 {
1141         Track* track = dynamic_cast<Track*>(&route);
1142         if (track && track->record_enabled()) {
1143                 rec_enabled_streams += track->n_inputs().n_total();
1144         }
1145 }
1146
1147 void
1148 ARDOUR_UI::update_disk_space()
1149 {
1150         if (_session == 0) {
1151                 return;
1152         }
1153
1154         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1155         char buf[64];
1156         framecnt_t fr = _session->frame_rate();
1157
1158         if (!opt_frames) {
1159                 /* Available space is unknown */
1160                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1161         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1162                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1163         } else {
1164                 rec_enabled_streams = 0;
1165                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1166
1167                 framecnt_t frames = opt_frames.get_value_or (0);
1168
1169                 if (rec_enabled_streams) {
1170                         frames /= rec_enabled_streams;
1171                 }
1172
1173                 int hrs;
1174                 int mins;
1175                 int secs;
1176
1177                 hrs  = frames / (fr * 3600);
1178
1179                 if (hrs > 24) {
1180                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1181                 } else {
1182                         frames -= hrs * fr * 3600;
1183                         mins = frames / (fr * 60);
1184                         frames -= mins * fr * 60;
1185                         secs = frames / fr;
1186
1187                         bool const low = (hrs == 0 && mins <= 30);
1188
1189                         snprintf (
1190                                 buf, sizeof(buf),
1191                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1192                                 low ? X_("red") : X_("green"),
1193                                 hrs, mins, secs
1194                                 );
1195                 }
1196         }
1197
1198         disk_space_label.set_markup (buf);
1199 }
1200
1201 void
1202 ARDOUR_UI::update_timecode_format ()
1203 {
1204         char buf[64];
1205
1206         if (_session) {
1207                 bool matching;
1208                 TimecodeSlave* tcslave;
1209                 SyncSource sync_src = Config->get_sync_source();
1210
1211                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1212                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1213                 } else {
1214                         matching = true;
1215                 }
1216
1217                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1218                           matching ? X_("green") : X_("red"),
1219                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1220         } else {
1221                 snprintf (buf, sizeof (buf), "TC: n/a");
1222         }
1223
1224         timecode_format_label.set_markup (buf);
1225 }
1226
1227 gint
1228 ARDOUR_UI::update_wall_clock ()
1229 {
1230         time_t now;
1231         struct tm *tm_now;
1232         static int last_min = -1;
1233
1234         time (&now);
1235         tm_now = localtime (&now);
1236         if (last_min != tm_now->tm_min) {
1237                 char buf[16];
1238                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1239                 wall_clock_label.set_text (buf);
1240                 last_min = tm_now->tm_min;
1241         }
1242
1243         return TRUE;
1244 }
1245
1246 void
1247 ARDOUR_UI::redisplay_recent_sessions ()
1248 {
1249         std::vector<std::string> session_directories;
1250         RecentSessionsSorter cmp;
1251
1252         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1253         recent_session_model->clear ();
1254
1255         ARDOUR::RecentSessions rs;
1256         ARDOUR::read_recent_sessions (rs);
1257
1258         if (rs.empty()) {
1259                 recent_session_display.set_model (recent_session_model);
1260                 return;
1261         }
1262
1263         // sort them alphabetically
1264         sort (rs.begin(), rs.end(), cmp);
1265
1266         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1267                 session_directories.push_back ((*i).second);
1268         }
1269
1270         for (vector<std::string>::const_iterator i = session_directories.begin();
1271                         i != session_directories.end(); ++i)
1272         {
1273                 std::vector<std::string> state_file_paths;
1274
1275                 // now get available states for this session
1276
1277                 get_state_files_in_directory (*i, state_file_paths);
1278
1279                 vector<string*>* states;
1280                 vector<const gchar*> item;
1281                 string fullpath = *i;
1282
1283                 /* remove any trailing / */
1284
1285                 if (fullpath[fullpath.length() - 1] == '/') {
1286                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1287                 }
1288
1289                 /* check whether session still exists */
1290                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1291                         /* session doesn't exist */
1292                         continue;
1293                 }
1294
1295                 /* now get available states for this session */
1296
1297                 if ((states = Session::possible_states (fullpath)) == 0) {
1298                         /* no state file? */
1299                         continue;
1300                 }
1301
1302                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1303
1304                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1305
1306                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1307                 row[recent_session_columns.fullpath] = fullpath;
1308                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1309
1310                 if (state_file_names.size() > 1) {
1311
1312                         // add the children
1313
1314                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1315                                         i2 != state_file_names.end(); ++i2)
1316                         {
1317
1318                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1319
1320                                 child_row[recent_session_columns.visible_name] = *i2;
1321                                 child_row[recent_session_columns.fullpath] = fullpath;
1322                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1323                         }
1324                 }
1325         }
1326
1327         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1328         recent_session_display.set_model (recent_session_model);
1329 }
1330
1331 void
1332 ARDOUR_UI::build_session_selector ()
1333 {
1334         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1335
1336         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1337
1338         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1339         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1340         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1341         recent_session_model = TreeStore::create (recent_session_columns);
1342         recent_session_display.set_model (recent_session_model);
1343         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1344         recent_session_display.set_headers_visible (false);
1345         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1346         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1347
1348         scroller->add (recent_session_display);
1349         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1350
1351         session_selector_window->set_name ("SessionSelectorWindow");
1352         session_selector_window->set_size_request (200, 400);
1353         session_selector_window->get_vbox()->pack_start (*scroller);
1354
1355         recent_session_display.show();
1356         scroller->show();
1357 }
1358
1359 void
1360 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1361 {
1362         session_selector_window->response (RESPONSE_ACCEPT);
1363 }
1364
1365 void
1366 ARDOUR_UI::open_recent_session ()
1367 {
1368         bool can_return = (_session != 0);
1369
1370         if (session_selector_window == 0) {
1371                 build_session_selector ();
1372         }
1373
1374         redisplay_recent_sessions ();
1375
1376         while (true) {
1377
1378                 session_selector_window->set_position (WIN_POS_MOUSE);
1379
1380                 ResponseType r = (ResponseType) session_selector_window->run ();
1381
1382                 switch (r) {
1383                 case RESPONSE_ACCEPT:
1384                         break;
1385                 default:
1386                         if (can_return) {
1387                                 session_selector_window->hide();
1388                                 return;
1389                         } else {
1390                                 exit (1);
1391                         }
1392                 }
1393
1394                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1395                         continue;
1396                 }
1397
1398                 session_selector_window->hide();
1399
1400                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1401
1402                 if (i == recent_session_model->children().end()) {
1403                         return;
1404                 }
1405
1406                 std::string path = (*i)[recent_session_columns.fullpath];
1407                 std::string state = (*i)[recent_session_columns.visible_name];
1408
1409                 _session_is_new = false;
1410
1411                 if (load_session (path, state) == 0) {
1412                         break;
1413                 }
1414
1415                 can_return = false;
1416         }
1417 }
1418
1419 bool
1420 ARDOUR_UI::check_audioengine ()
1421 {
1422         if (engine) {
1423                 if (!engine->connected()) {
1424                         MessageDialog msg (string_compose (
1425                                                    _("%1 is not connected to JACK\n"
1426                                                      "You cannot open or close sessions in this condition"),
1427                                                    PROGRAM_NAME));
1428                         pop_back_splash (msg);
1429                         msg.run ();
1430                         return false;
1431                 }
1432                 return true;
1433         } else {
1434                 return false;
1435         }
1436 }
1437
1438 void
1439 ARDOUR_UI::open_session ()
1440 {
1441         if (!check_audioengine()) {
1442                 return;
1443
1444         }
1445
1446         /* popup selector window */
1447
1448         if (open_session_selector == 0) {
1449
1450                 /* ardour sessions are folders */
1451
1452                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1453                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1454                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1455                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1456
1457                 if (_session) {
1458                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1459                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1460                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1461                         open_session_selector->set_current_folder(session_parent_dir);
1462                 } else {
1463                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1464                 }
1465
1466                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1467
1468                 FileFilter session_filter;
1469                 session_filter.add_pattern ("*.ardour");
1470                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1471                 open_session_selector->add_filter (session_filter);
1472                 open_session_selector->set_filter (session_filter);
1473         }
1474
1475         int response = open_session_selector->run();
1476         open_session_selector->hide ();
1477
1478         switch (response) {
1479         case RESPONSE_ACCEPT:
1480                 break;
1481         default:
1482                 open_session_selector->hide();
1483                 return;
1484         }
1485
1486         open_session_selector->hide();
1487         string session_path = open_session_selector->get_filename();
1488         string path, name;
1489         bool isnew;
1490
1491         if (session_path.length() > 0) {
1492                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1493                         _session_is_new = isnew;
1494                         load_session (path, name);
1495                 }
1496         }
1497 }
1498
1499
1500 void
1501 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1502                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1503 {
1504         list<boost::shared_ptr<MidiTrack> > tracks;
1505
1506         if (_session == 0) {
1507                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1508                 return;
1509         }
1510
1511         try {
1512                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1513
1514                 if (tracks.size() != how_many) {
1515                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1516                 }
1517         }
1518
1519         catch (...) {
1520                 MessageDialog msg (*editor,
1521                                    string_compose (_("There are insufficient JACK ports available\n\
1522 to create a new track or bus.\n\
1523 You should save %1, exit and\n\
1524 restart JACK with more ports."), PROGRAM_NAME));
1525                 msg.run ();
1526         }
1527 }
1528
1529
1530 void
1531 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1532 {
1533         ChanCount one_midi_channel;
1534         one_midi_channel.set (DataType::MIDI, 1);
1535
1536         if (disk) {
1537                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1538         }
1539 }
1540
1541 void
1542 ARDOUR_UI::session_add_audio_route (
1543         bool track,
1544         int32_t input_channels,
1545         int32_t output_channels,
1546         ARDOUR::TrackMode mode,
1547         RouteGroup* route_group,
1548         uint32_t how_many,
1549         string const & name_template
1550         )
1551 {
1552         list<boost::shared_ptr<AudioTrack> > tracks;
1553         RouteList routes;
1554
1555         if (_session == 0) {
1556                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1557                 return;
1558         }
1559
1560         try {
1561                 if (track) {
1562                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1563
1564                         if (tracks.size() != how_many) {
1565                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1566                                       << endmsg;
1567                         }
1568
1569                 } else {
1570
1571                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1572
1573                         if (routes.size() != how_many) {
1574                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1575                                       << endmsg;
1576                         }
1577                 }
1578         }
1579
1580         catch (...) {
1581                 MessageDialog msg (*editor,
1582                                    string_compose (_("There are insufficient JACK ports available\n\
1583 to create a new track or bus.\n\
1584 You should save %1, exit and\n\
1585 restart JACK with more ports."), PROGRAM_NAME));
1586                 pop_back_splash (msg);
1587                 msg.run ();
1588         }
1589 }
1590
1591 void
1592 ARDOUR_UI::transport_goto_start ()
1593 {
1594         if (_session) {
1595                 _session->goto_start();
1596
1597                 /* force displayed area in editor to start no matter
1598                    what "follow playhead" setting is.
1599                 */
1600
1601                 if (editor) {
1602                         editor->center_screen (_session->current_start_frame ());
1603                 }
1604         }
1605 }
1606
1607 void
1608 ARDOUR_UI::transport_goto_zero ()
1609 {
1610         if (_session) {
1611                 _session->request_locate (0);
1612
1613                 /* force displayed area in editor to start no matter
1614                    what "follow playhead" setting is.
1615                 */
1616
1617                 if (editor) {
1618                         editor->reset_x_origin (0);
1619                 }
1620         }
1621 }
1622
1623 void
1624 ARDOUR_UI::transport_goto_wallclock ()
1625 {
1626         if (_session && editor) {
1627
1628                 time_t now;
1629                 struct tm tmnow;
1630                 framepos_t frames;
1631
1632                 time (&now);
1633                 localtime_r (&now, &tmnow);
1634
1635                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1636                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1637                 frames += tmnow.tm_sec * _session->frame_rate();
1638
1639                 _session->request_locate (frames, _session->transport_rolling ());
1640
1641                 /* force displayed area in editor to start no matter
1642                    what "follow playhead" setting is.
1643                 */
1644
1645                 if (editor) {
1646                         editor->center_screen (frames);
1647                 }
1648         }
1649 }
1650
1651 void
1652 ARDOUR_UI::transport_goto_end ()
1653 {
1654         if (_session) {
1655                 framepos_t const frame = _session->current_end_frame();
1656                 _session->request_locate (frame);
1657
1658                 /* force displayed area in editor to start no matter
1659                    what "follow playhead" setting is.
1660                 */
1661
1662                 if (editor) {
1663                         editor->center_screen (frame);
1664                 }
1665         }
1666 }
1667
1668 void
1669 ARDOUR_UI::transport_stop ()
1670 {
1671         if (!_session) {
1672                 return;
1673         }
1674
1675         if (_session->is_auditioning()) {
1676                 _session->cancel_audition ();
1677                 return;
1678         }
1679
1680         _session->request_stop (false, true);
1681 }
1682
1683 void
1684 ARDOUR_UI::transport_record (bool roll)
1685 {
1686
1687         if (_session) {
1688                 switch (_session->record_status()) {
1689                 case Session::Disabled:
1690                         if (_session->ntracks() == 0) {
1691                                 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."));
1692                                 msg.run ();
1693                                 return;
1694                         }
1695                         _session->maybe_enable_record ();
1696                         if (roll) {
1697                                 transport_roll ();
1698                         }
1699                         break;
1700                 case Session::Recording:
1701                         if (roll) {
1702                                 _session->request_stop();
1703                         } else {
1704                                 _session->disable_record (false, true);
1705                         }
1706                         break;
1707
1708                 case Session::Enabled:
1709                         _session->disable_record (false, true);
1710                 }
1711         }
1712 }
1713
1714 void
1715 ARDOUR_UI::transport_roll ()
1716 {
1717         if (!_session) {
1718                 return;
1719         }
1720
1721         if (_session->is_auditioning()) {
1722                 return;
1723         }
1724
1725 #if 0
1726         if (_session->config.get_external_sync()) {
1727                 switch (Config->get_sync_source()) {
1728                 case JACK:
1729                         break;
1730                 default:
1731                         /* transport controlled by the master */
1732                         return;
1733                 }
1734         }
1735 #endif
1736
1737         bool rolling = _session->transport_rolling();
1738
1739         if (_session->get_play_loop()) {
1740                 /* XXX it is not possible to just leave seamless loop and keep
1741                    playing at present (nov 4th 2009)
1742                 */
1743                 if (!Config->get_seamless_loop()) {
1744                         _session->request_play_loop (false, true);
1745                 }
1746         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1747                 /* stop playing a range if we currently are */
1748                 _session->request_play_range (0, true);
1749         }
1750
1751         if (!rolling) {
1752                 _session->request_transport_speed (1.0f);
1753         }
1754 }
1755
1756 bool
1757 ARDOUR_UI::get_smart_mode() const
1758 {
1759         return ( editor->get_smart_mode() );
1760 }
1761
1762
1763 void
1764 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1765 {
1766
1767         if (!_session) {
1768                 return;
1769         }
1770
1771         if (_session->is_auditioning()) {
1772                 _session->cancel_audition ();
1773                 return;
1774         }
1775
1776         if (_session->config.get_external_sync()) {
1777                 switch (Config->get_sync_source()) {
1778                 case JACK:
1779                         break;
1780                 default:
1781                         /* transport controlled by the master */
1782                         return;
1783                 }
1784         }
1785
1786         bool rolling = _session->transport_rolling();
1787         bool affect_transport = true;
1788
1789         if (rolling && roll_out_of_bounded_mode) {
1790                 /* drop out of loop/range playback but leave transport rolling */
1791                 if (_session->get_play_loop()) {
1792                         if (Config->get_seamless_loop()) {
1793                                 /* the disk buffers contain copies of the loop - we can't
1794                                    just keep playing, so stop the transport. the user
1795                                    can restart as they wish.
1796                                 */
1797                                 affect_transport = true;
1798                         } else {
1799                                 /* disk buffers are normal, so we can keep playing */
1800                                 affect_transport = false;
1801                         }
1802                         _session->request_play_loop (false, true);
1803                 } else if (_session->get_play_range ()) {
1804                         affect_transport = false;
1805                         _session->request_play_range (0, true);
1806                 }
1807         }
1808
1809         if (affect_transport) {
1810                 if (rolling) {
1811                         _session->request_stop (with_abort, true);
1812                 } else {
1813                         if ( Config->get_always_play_range() ) {
1814                                 _session->request_play_range (&editor->get_selection().time, true);
1815                         }
1816
1817                         _session->request_transport_speed (1.0f);
1818                 }
1819         }
1820 }
1821
1822 void
1823 ARDOUR_UI::toggle_session_auto_loop ()
1824 {
1825         Location * looploc = _session->locations()->auto_loop_location();
1826
1827         if (!_session || !looploc) {
1828                 return;
1829         }
1830
1831         if (_session->get_play_loop()) {
1832
1833                 if (_session->transport_rolling()) {
1834
1835                         _session->request_locate (looploc->start(), true);
1836                         _session->request_play_loop (false);
1837
1838                 } else {
1839                         _session->request_play_loop (false);
1840                 }
1841         } else {
1842                 _session->request_play_loop (true);
1843         }
1844
1845         //show the loop markers
1846         looploc->set_hidden (false, this);
1847 }
1848
1849 void
1850 ARDOUR_UI::transport_play_selection ()
1851 {
1852         if (!_session) {
1853                 return;
1854         }
1855
1856         editor->play_selection ();
1857 }
1858
1859 void
1860 ARDOUR_UI::transport_play_preroll ()
1861 {
1862         if (!_session) {
1863                 return;
1864         }
1865         editor->play_with_preroll ();
1866 }
1867
1868 void
1869 ARDOUR_UI::transport_rewind (int option)
1870 {
1871         float current_transport_speed;
1872
1873         if (_session) {
1874                 current_transport_speed = _session->transport_speed();
1875
1876                 if (current_transport_speed >= 0.0f) {
1877                         switch (option) {
1878                         case 0:
1879                                 _session->request_transport_speed (-1.0f);
1880                                 break;
1881                         case 1:
1882                                 _session->request_transport_speed (-4.0f);
1883                                 break;
1884                         case -1:
1885                                 _session->request_transport_speed (-0.5f);
1886                                 break;
1887                         }
1888                 } else {
1889                         /* speed up */
1890                         _session->request_transport_speed (current_transport_speed * 1.5f);
1891                 }
1892         }
1893 }
1894
1895 void
1896 ARDOUR_UI::transport_forward (int option)
1897 {
1898         if (!_session) {
1899                 return;
1900         }
1901
1902         float current_transport_speed = _session->transport_speed();
1903
1904         if (current_transport_speed <= 0.0f) {
1905                 switch (option) {
1906                 case 0:
1907                         _session->request_transport_speed (1.0f);
1908                         break;
1909                 case 1:
1910                         _session->request_transport_speed (4.0f);
1911                         break;
1912                 case -1:
1913                         _session->request_transport_speed (0.5f);
1914                         break;
1915                 }
1916         } else {
1917                 /* speed up */
1918                 _session->request_transport_speed (current_transport_speed * 1.5f);
1919         }
1920 }
1921
1922 void
1923 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1924 {
1925         if (!_session) {
1926                 return;
1927         }
1928
1929         boost::shared_ptr<Route> r;
1930
1931         if ((r = _session->route_by_remote_id (rid)) != 0) {
1932
1933                 Track* t;
1934
1935                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1936                         t->set_record_enabled (!t->record_enabled(), this);
1937                 }
1938         }
1939 }
1940
1941 void
1942 ARDOUR_UI::map_transport_state ()
1943 {
1944         if (!_session) {
1945                 auto_loop_button.unset_active_state ();
1946                 play_selection_button.unset_active_state ();
1947                 roll_button.unset_active_state ();
1948                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1949                 return;
1950         }
1951
1952         shuttle_box->map_transport_state ();
1953
1954         float sp = _session->transport_speed();
1955
1956         if (sp != 0.0f) {
1957
1958                 /* we're rolling */
1959
1960                 if (_session->get_play_range()) {
1961
1962                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1963                         roll_button.unset_active_state ();
1964                         auto_loop_button.unset_active_state ();
1965
1966                 } else if (_session->get_play_loop ()) {
1967
1968                         auto_loop_button.set_active (true);
1969                         play_selection_button.set_active (false);
1970                         roll_button.set_active (false);
1971
1972                 } else {
1973
1974                         roll_button.set_active (true);
1975                         play_selection_button.set_active (false);
1976                         auto_loop_button.set_active (false);
1977                 }
1978
1979                 if (Config->get_always_play_range()) {
1980                         /* light up both roll and play-selection if they are joined */
1981                         roll_button.set_active (true);
1982                         play_selection_button.set_active (true);
1983                 }
1984
1985                 stop_button.set_active (false);
1986
1987         } else {
1988
1989                 stop_button.set_active (true);
1990                 roll_button.set_active (false);
1991                 play_selection_button.set_active (false);
1992                 auto_loop_button.set_active (false);
1993                 update_disk_space ();
1994         }
1995 }
1996
1997 void
1998 ARDOUR_UI::engine_stopped ()
1999 {
2000         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2001         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2002         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2003 }
2004
2005 void
2006 ARDOUR_UI::engine_running ()
2007 {
2008         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2009         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2010         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2011
2012         Glib::RefPtr<Action> action;
2013         const char* action_name = 0;
2014
2015         switch (engine->frames_per_cycle()) {
2016         case 32:
2017                 action_name = X_("JACKLatency32");
2018                 break;
2019         case 64:
2020                 action_name = X_("JACKLatency64");
2021                 break;
2022         case 128:
2023                 action_name = X_("JACKLatency128");
2024                 break;
2025         case 512:
2026                 action_name = X_("JACKLatency512");
2027                 break;
2028         case 1024:
2029                 action_name = X_("JACKLatency1024");
2030                 break;
2031         case 2048:
2032                 action_name = X_("JACKLatency2048");
2033                 break;
2034         case 4096:
2035                 action_name = X_("JACKLatency4096");
2036                 break;
2037         case 8192:
2038                 action_name = X_("JACKLatency8192");
2039                 break;
2040         default:
2041                 /* XXX can we do anything useful ? */
2042                 break;
2043         }
2044
2045         if (action_name) {
2046
2047                 action = ActionManager::get_action (X_("JACK"), action_name);
2048
2049                 if (action) {
2050                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2051                         ract->set_active ();
2052                 }
2053         }
2054 }
2055
2056 void
2057 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2058 {
2059         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2060                 /* we can't rely on the original string continuing to exist when we are called
2061                    again in the GUI thread, so make a copy and note that we need to
2062                    free it later.
2063                 */
2064                 char *copy = strdup (reason);
2065                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2066                 return;
2067         }
2068
2069         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2070         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2071
2072         update_sample_rate (0);
2073
2074         string msgstr;
2075
2076         /* if the reason is a non-empty string, it means that the backend was shutdown
2077            rather than just Ardour.
2078         */
2079
2080         if (strlen (reason)) {
2081                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2082         } else {
2083                 msgstr = string_compose (_("\
2084 JACK has either been shutdown or it\n\
2085 disconnected %1 because %1\n\
2086 was not fast enough. Try to restart\n\
2087 JACK, reconnect and save the session."), PROGRAM_NAME);
2088         }
2089
2090         MessageDialog msg (*editor, msgstr);
2091         pop_back_splash (msg);
2092         msg.set_keep_above (true);
2093         msg.run ();
2094
2095         if (free_reason) {
2096                 free (const_cast<char*> (reason));
2097         }
2098 }
2099
2100 int32_t
2101 ARDOUR_UI::do_engine_start ()
2102 {
2103         try {
2104                 engine->start();
2105         }
2106
2107         catch (...) {
2108                 engine->stop ();
2109                 error << _("Unable to start the session running")
2110                       << endmsg;
2111                 unload_session ();
2112                 return -2;
2113         }
2114
2115         return 0;
2116 }
2117
2118 void
2119 ARDOUR_UI::update_clocks ()
2120 {
2121         if (!editor || !editor->dragging_playhead()) {
2122                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2123         }
2124 }
2125
2126 void
2127 ARDOUR_UI::start_clocking ()
2128 {
2129         if (Config->get_super_rapid_clock_update()) {
2130                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2131         } else {
2132                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2133         }
2134 }
2135
2136 void
2137 ARDOUR_UI::stop_clocking ()
2138 {
2139         clock_signal_connection.disconnect ();
2140 }
2141
2142 gint
2143 ARDOUR_UI::_blink (void *arg)
2144 {
2145         ((ARDOUR_UI *) arg)->blink ();
2146         return TRUE;
2147 }
2148
2149 void
2150 ARDOUR_UI::blink ()
2151 {
2152         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2153 }
2154
2155 void
2156 ARDOUR_UI::start_blinking ()
2157 {
2158         /* Start the blink signal. Everybody with a blinking widget
2159            uses Blink to drive the widget's state.
2160         */
2161
2162         if (blink_timeout_tag < 0) {
2163                 blink_on = false;
2164                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2165         }
2166 }
2167
2168 void
2169 ARDOUR_UI::stop_blinking ()
2170 {
2171         if (blink_timeout_tag >= 0) {
2172                 g_source_remove (blink_timeout_tag);
2173                 blink_timeout_tag = -1;
2174         }
2175 }
2176
2177
2178 /** Ask the user for the name of a new snapshot and then take it.
2179  */
2180
2181 void
2182 ARDOUR_UI::snapshot_session (bool switch_to_it)
2183 {
2184         ArdourPrompter prompter (true);
2185         string snapname;
2186
2187         prompter.set_name ("Prompter");
2188         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2189         prompter.set_title (_("Take Snapshot"));
2190         prompter.set_prompt (_("Name of new snapshot"));
2191
2192         if (!switch_to_it) {
2193                 char timebuf[128];
2194                 time_t n;
2195                 struct tm local_time;
2196
2197                 time (&n);
2198                 localtime_r (&n, &local_time);
2199                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2200                 prompter.set_initial_text (timebuf);
2201         }
2202
2203   again:
2204         switch (prompter.run()) {
2205         case RESPONSE_ACCEPT:
2206         {
2207                 prompter.get_result (snapname);
2208
2209                 bool do_save = (snapname.length() != 0);
2210
2211                 if (do_save) {
2212                         char illegal = Session::session_name_is_legal(snapname);
2213                         if (illegal) {
2214                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2215                                                      "snapshot names may not contain a '%1' character"), illegal));
2216                                 msg.run ();
2217                                 goto again;
2218                         }
2219                 }
2220
2221                 vector<std::string> p;
2222                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2223                 vector<string> n = get_file_names_no_extension (p);
2224                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2225
2226                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2227                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2228                         confirm.get_vbox()->pack_start (m, true, true);
2229                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2230                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2231                         confirm.show_all ();
2232                         switch (confirm.run()) {
2233                         case RESPONSE_CANCEL:
2234                                 do_save = false;
2235                         }
2236                 }
2237
2238                 if (do_save) {
2239                         save_state (snapname, switch_to_it);
2240                 }
2241                 break;
2242         }
2243
2244         default:
2245                 break;
2246         }
2247 }
2248
2249 /** Ask the user for a new session name and then rename the session to it.
2250  */
2251
2252 void
2253 ARDOUR_UI::rename_session ()
2254 {
2255         if (!_session) {
2256                 return;
2257         }
2258
2259         ArdourPrompter prompter (true);
2260         string name;
2261
2262         prompter.set_name ("Prompter");
2263         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2264         prompter.set_title (_("Rename Session"));
2265         prompter.set_prompt (_("New session name"));
2266
2267   again:
2268         switch (prompter.run()) {
2269         case RESPONSE_ACCEPT:
2270         {
2271                 prompter.get_result (name);
2272
2273                 bool do_rename = (name.length() != 0);
2274
2275                 if (do_rename) {
2276                         char illegal = Session::session_name_is_legal (name);
2277
2278                         if (illegal) {
2279                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2280                                                                      "session names may not contain a '%1' character"), illegal));
2281                                 msg.run ();
2282                                 goto again;
2283                         }
2284
2285                         switch (_session->rename (name)) {
2286                         case -1: {
2287                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2288                                 msg.set_position (WIN_POS_MOUSE);
2289                                 msg.run ();
2290                                 goto again;
2291                                 break;
2292                         }
2293                         case 0:
2294                                 break;
2295                         default: {
2296                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2297                                 msg.set_position (WIN_POS_MOUSE);
2298                                 msg.run ();
2299                                 break;
2300                         }
2301                         }
2302                 }
2303
2304                 break;
2305         }
2306
2307         default:
2308                 break;
2309         }
2310 }
2311
2312 void
2313 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2314 {
2315         XMLNode* node = new XMLNode (X_("UI"));
2316
2317         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2318                 if (!(*i)->rc_configured()) {
2319                         node->add_child_nocopy (*((*i)->get_state ()));
2320                 }
2321         }
2322
2323         node->add_child_nocopy (gui_object_state->get_state());
2324
2325         _session->add_extra_xml (*node);
2326
2327         save_state_canfail (name, switch_to_it);
2328 }
2329
2330 int
2331 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2332 {
2333         if (_session) {
2334                 int ret;
2335
2336                 if (name.length() == 0) {
2337                         name = _session->snap_name();
2338                 }
2339
2340                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2341                         return ret;
2342                 }
2343         }
2344
2345         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2346         return 0;
2347 }
2348
2349 void
2350 ARDOUR_UI::primary_clock_value_changed ()
2351 {
2352         if (_session) {
2353                 _session->request_locate (primary_clock->current_time ());
2354         }
2355 }
2356
2357 void
2358 ARDOUR_UI::big_clock_value_changed ()
2359 {
2360         if (_session) {
2361                 _session->request_locate (big_clock->current_time ());
2362         }
2363 }
2364
2365 void
2366 ARDOUR_UI::secondary_clock_value_changed ()
2367 {
2368         if (_session) {
2369                 _session->request_locate (secondary_clock->current_time ());
2370         }
2371 }
2372
2373 void
2374 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2375 {
2376         if (_session == 0) {
2377                 return;
2378         }
2379
2380         if (_session->step_editing()) {
2381                 return;
2382         }
2383
2384         Session::RecordState const r = _session->record_status ();
2385         bool const h = _session->have_rec_enabled_track ();
2386
2387         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2388                 if (onoff) {
2389                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2390                 } else {
2391                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2392                 }
2393         } else if (r == Session::Recording && h) {
2394                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2395         } else {
2396                 rec_button.unset_active_state ();
2397         }
2398 }
2399
2400 void
2401 ARDOUR_UI::save_template ()
2402 {
2403         ArdourPrompter prompter (true);
2404         string name;
2405
2406         if (!check_audioengine()) {
2407                 return;
2408         }
2409
2410         prompter.set_name (X_("Prompter"));
2411         prompter.set_title (_("Save Template"));
2412         prompter.set_prompt (_("Name for template:"));
2413         prompter.set_initial_text(_session->name() + _("-template"));
2414         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2415
2416         switch (prompter.run()) {
2417         case RESPONSE_ACCEPT:
2418                 prompter.get_result (name);
2419
2420                 if (name.length()) {
2421                         _session->save_template (name);
2422                 }
2423                 break;
2424
2425         default:
2426                 break;
2427         }
2428 }
2429
2430 void
2431 ARDOUR_UI::edit_metadata ()
2432 {
2433         SessionMetadataEditor dialog;
2434         dialog.set_session (_session);
2435         editor->ensure_float (dialog);
2436         dialog.run ();
2437 }
2438
2439 void
2440 ARDOUR_UI::import_metadata ()
2441 {
2442         SessionMetadataImporter dialog;
2443         dialog.set_session (_session);
2444         editor->ensure_float (dialog);
2445         dialog.run ();
2446 }
2447
2448 bool
2449 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2450 {
2451         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2452
2453         MessageDialog msg (str,
2454                            false,
2455                            Gtk::MESSAGE_WARNING,
2456                            Gtk::BUTTONS_YES_NO,
2457                            true);
2458
2459
2460         msg.set_name (X_("OpenExistingDialog"));
2461         msg.set_title (_("Open Existing Session"));
2462         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2463         msg.set_position (Gtk::WIN_POS_MOUSE);
2464         pop_back_splash (msg);
2465
2466         switch (msg.run()) {
2467         case RESPONSE_YES:
2468                 return true;
2469                 break;
2470         }
2471         return false;
2472 }
2473
2474 int
2475 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2476 {
2477         BusProfile bus_profile;
2478
2479         if (nsm || Profile->get_sae()) {
2480
2481                 bus_profile.master_out_channels = 2;
2482                 bus_profile.input_ac = AutoConnectPhysical;
2483                 bus_profile.output_ac = AutoConnectMaster;
2484                 bus_profile.requested_physical_in = 0; // use all available
2485                 bus_profile.requested_physical_out = 0; // use all available
2486
2487         } else {
2488
2489                 /* get settings from advanced section of NSD */
2490
2491                 if (_startup->create_master_bus()) {
2492                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2493                 } else {
2494                         bus_profile.master_out_channels = 0;
2495                 }
2496
2497                 if (_startup->connect_inputs()) {
2498                         bus_profile.input_ac = AutoConnectPhysical;
2499                 } else {
2500                         bus_profile.input_ac = AutoConnectOption (0);
2501                 }
2502
2503                 bus_profile.output_ac = AutoConnectOption (0);
2504
2505                 if (_startup->connect_outputs ()) {
2506                         if (_startup->connect_outs_to_master()) {
2507                                 bus_profile.output_ac = AutoConnectMaster;
2508                         } else if (_startup->connect_outs_to_physical()) {
2509                                 bus_profile.output_ac = AutoConnectPhysical;
2510                         }
2511                 }
2512
2513                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2514                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2515         }
2516
2517         if (build_session (session_path, session_name, bus_profile)) {
2518                 return -1;
2519         }
2520
2521         return 0;
2522 }
2523
2524 void
2525 ARDOUR_UI::idle_load (const std::string& path)
2526 {
2527         if (_session) {
2528                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2529                         /* /path/to/foo => /path/to/foo, foo */
2530                         load_session (path, basename_nosuffix (path));
2531                 } else {
2532                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2533                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2534                 }
2535
2536         } else {
2537                 ARDOUR_COMMAND_LINE::session_name = path;
2538         }
2539 }
2540
2541 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2542 int
2543 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2544 {
2545         string session_name;
2546         string session_path;
2547         string template_name;
2548         int ret = -1;
2549         bool likely_new = false;
2550
2551         /* deal with any existing DIRTY session now, rather than later. don't
2552          * treat a non-dirty session this way, so that it stays visible
2553          * as we bring up the new session dialog.
2554          */
2555 #ifdef WITH_VIDEOTIMELINE
2556         if (_session && ARDOUR_UI::instance()->video_timeline) {
2557                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2558         }
2559 #endif
2560         if (_session && _session->dirty()) {
2561                 if (unload_session (false)) {
2562                         /* unload cancelled by user */
2563                         return 0;
2564                 }
2565                 ARDOUR_COMMAND_LINE::session_name = "";
2566         }
2567
2568         if (!load_template.empty()) {
2569                 should_be_new = true;
2570                 template_name = load_template;
2571         }
2572
2573         while (ret != 0) {
2574
2575                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2576
2577                         /* if they named a specific statefile, use it, otherwise they are
2578                            just giving a session folder, and we want to use it as is
2579                            to find the session.
2580                         */
2581
2582                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2583
2584                         if (suffix != string::npos) {
2585                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2586                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2587                                 session_name = Glib::path_get_basename (session_name);
2588                         } else {
2589                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2590                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2591                         }
2592                 } else {
2593                         session_path = "";
2594                         session_name = "";
2595                 }
2596
2597                 delete _startup;
2598                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2599
2600                 if (!_startup->ready_without_display()) {
2601                         _startup->present ();
2602                         main().run();
2603                         _startup->hide ();
2604                 }
2605
2606                 switch (_startup->response()) {
2607                 case RESPONSE_OK:
2608                         break;
2609                 default:
2610                         if (quit_on_cancel) {
2611                                 exit (1);
2612                         } else {
2613                                 return ret;
2614                         }
2615                 }
2616
2617                 /* if we run the startup dialog again, offer more than just "new session" */
2618
2619                 should_be_new = false;
2620
2621                 session_name = _startup->session_name (likely_new);
2622
2623                 if (nsm) {
2624                         likely_new = true;
2625                 }
2626
2627                 string::size_type suffix = session_name.find (statefile_suffix);
2628
2629                 if (suffix != string::npos) {
2630                         session_name = session_name.substr (0, suffix);
2631                 }
2632
2633                 /* this shouldn't happen, but we catch it just in case it does */
2634
2635                 if (session_name.empty()) {
2636                         continue;
2637                 }
2638
2639                 if (_startup->use_session_template()) {
2640                         template_name = _startup->session_template_name();
2641                         _session_is_new = true;
2642                 }
2643
2644                 if (session_name[0] == G_DIR_SEPARATOR ||
2645                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2646                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2647
2648                         /* absolute path or cwd-relative path specified for session name: infer session folder
2649                            from what was given.
2650                         */
2651
2652                         session_path = Glib::path_get_dirname (session_name);
2653                         session_name = Glib::path_get_basename (session_name);
2654
2655                 } else {
2656
2657                         session_path = _startup->session_folder();
2658
2659                         char illegal = Session::session_name_is_legal (session_name);
2660
2661                         if (illegal) {
2662                                 MessageDialog msg (*_startup,
2663                                                    string_compose (_("To ensure compatibility with various systems\n"
2664                                                                      "session names may not contain a '%1' character"),
2665                                                                    illegal));
2666                                 msg.run ();
2667                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2668                                 continue;
2669                         }
2670                 }
2671
2672                 if (create_engine ()) {
2673                         break;
2674                 }
2675
2676                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2677
2678                         if (likely_new && !nsm) {
2679
2680                                 std::string existing = Glib::build_filename (session_path, session_name);
2681
2682                                 if (!ask_about_loading_existing_session (existing)) {
2683                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2684                                         continue;
2685                                 }
2686                         }
2687
2688                         _session_is_new = false;
2689
2690                 } else {
2691
2692                         if (!likely_new) {
2693                                 if (_startup) {
2694                                         pop_back_splash (*_startup);
2695                                 } else {
2696                                         hide_splash ();
2697                                 }
2698
2699                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2700                                 msg.run ();
2701                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2702                                 continue;
2703                         }
2704
2705                         char illegal = Session::session_name_is_legal(session_name);
2706                         if (illegal) {
2707                                 pop_back_splash (*_startup);
2708                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2709                                                      "session names may not contain a '%1' character"), illegal));
2710                                 msg.run ();
2711                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2712                                 continue;
2713                         }
2714
2715                         _session_is_new = true;
2716                 }
2717
2718                 if (likely_new && template_name.empty()) {
2719
2720                         ret = build_session_from_nsd (session_path, session_name);
2721
2722                 } else {
2723
2724                         ret = load_session (session_path, session_name, template_name);
2725
2726                         if (ret == -2) {
2727                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2728                                 exit (1);
2729                         }
2730
2731                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2732                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2733                                 exit (1);
2734                         }
2735                 }
2736         }
2737
2738         return ret;
2739 }
2740
2741 void
2742 ARDOUR_UI::close_session()
2743 {
2744         if (!check_audioengine()) {
2745                 return;
2746         }
2747
2748         if (unload_session (true)) {
2749                 return;
2750         }
2751
2752         ARDOUR_COMMAND_LINE::session_name = "";
2753
2754         if (get_session_parameters (true, false)) {
2755                 exit (1);
2756         }
2757
2758         goto_editor_window ();
2759 }
2760
2761 /** @param snap_name Snapshot name (without .ardour suffix).
2762  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2763  */
2764 int
2765 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2766 {
2767         Session *new_session;
2768         int unload_status;
2769         int retval = -1;
2770
2771         session_loaded = false;
2772
2773         if (!check_audioengine()) {
2774                 return -2;
2775         }
2776
2777         unload_status = unload_session ();
2778
2779         if (unload_status < 0) {
2780                 goto out;
2781         } else if (unload_status > 0) {
2782                 retval = 0;
2783                 goto out;
2784         }
2785
2786         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2787
2788         try {
2789                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2790         }
2791
2792         /* this one is special */
2793
2794         catch (AudioEngine::PortRegistrationFailure& err) {
2795
2796                 MessageDialog msg (err.what(),
2797                                    true,
2798                                    Gtk::MESSAGE_INFO,
2799                                    Gtk::BUTTONS_CLOSE);
2800
2801                 msg.set_title (_("Port Registration Error"));
2802                 msg.set_secondary_text (_("Click the Close button to try again."));
2803                 msg.set_position (Gtk::WIN_POS_CENTER);
2804                 pop_back_splash (msg);
2805                 msg.present ();
2806
2807                 int response = msg.run ();
2808
2809                 msg.hide ();
2810
2811                 switch (response) {
2812                 case RESPONSE_CANCEL:
2813                         exit (1);
2814                 default:
2815                         break;
2816                 }
2817                 goto out;
2818         }
2819
2820         catch (...) {
2821
2822                 MessageDialog msg (string_compose(
2823                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2824                                            path, snap_name),
2825                                    true,
2826                                    Gtk::MESSAGE_INFO,
2827                                    BUTTONS_OK);
2828
2829                 msg.set_title (_("Loading Error"));
2830                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2831                 msg.add_button (Stock::REFRESH, 1);
2832                 msg.set_position (Gtk::WIN_POS_CENTER);
2833                 pop_back_splash (msg);
2834                 msg.present ();
2835
2836                 int response = msg.run ();
2837
2838                 switch (response) {
2839                 case 1:
2840                         break;
2841                 default:
2842                         exit (1);
2843                 }
2844
2845                 msg.hide ();
2846
2847                 goto out;
2848         }
2849
2850         {
2851                 list<string> const u = new_session->unknown_processors ();
2852                 if (!u.empty()) {
2853                         MissingPluginDialog d (_session, u);
2854                         d.run ();
2855                 }
2856         }
2857
2858         /* Now the session been created, add the transport controls */
2859         new_session->add_controllable(roll_controllable);
2860         new_session->add_controllable(stop_controllable);
2861         new_session->add_controllable(goto_start_controllable);
2862         new_session->add_controllable(goto_end_controllable);
2863         new_session->add_controllable(auto_loop_controllable);
2864         new_session->add_controllable(play_selection_controllable);
2865         new_session->add_controllable(rec_controllable);
2866
2867         set_session (new_session);
2868
2869         session_loaded = true;
2870
2871         goto_editor_window ();
2872
2873         if (_session) {
2874                 _session->set_clean ();
2875         }
2876
2877         flush_pending ();
2878         retval = 0;
2879
2880   out:
2881         return retval;
2882 }
2883
2884 int
2885 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2886 {
2887         Session *new_session;
2888         int x;
2889
2890         if (!check_audioengine()) {
2891                 return -1;
2892         }
2893
2894         session_loaded = false;
2895
2896         x = unload_session ();
2897
2898         if (x < 0) {
2899                 return -1;
2900         } else if (x > 0) {
2901                 return 0;
2902         }
2903
2904         _session_is_new = true;
2905
2906         try {
2907                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2908         }
2909
2910         catch (...) {
2911
2912                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2913                 pop_back_splash (msg);
2914                 msg.run ();
2915                 return -1;
2916         }
2917
2918         /* Give the new session the default GUI state, if such things exist */
2919
2920         XMLNode* n;
2921         n = Config->instant_xml (X_("Editor"));
2922         if (n) {
2923                 new_session->add_instant_xml (*n, false);
2924         }
2925         n = Config->instant_xml (X_("Mixer"));
2926         if (n) {
2927                 new_session->add_instant_xml (*n, false);
2928         }
2929
2930         /* Put the playhead at 0 and scroll fully left */
2931         n = new_session->instant_xml (X_("Editor"));
2932         if (n) {
2933                 n->add_property (X_("playhead"), X_("0"));
2934                 n->add_property (X_("left-frame"), X_("0"));
2935         }
2936
2937         set_session (new_session);
2938
2939         session_loaded = true;
2940
2941         new_session->save_state(new_session->name());
2942
2943         return 0;
2944 }
2945
2946 void
2947 ARDOUR_UI::launch_chat ()
2948 {
2949 #ifdef __APPLE__
2950         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2951 #else
2952         open_uri("http://webchat.freenode.net/?channels=ardour");
2953 #endif
2954 }
2955
2956 void
2957 ARDOUR_UI::show_about ()
2958 {
2959         if (about == 0) {
2960                 about = new About;
2961                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2962         }
2963
2964         about->set_transient_for(*editor);
2965         about->show_all ();
2966 }
2967
2968 void
2969 ARDOUR_UI::launch_manual ()
2970 {
2971         PBD::open_uri (Config->get_tutorial_manual_url());
2972 }
2973
2974 void
2975 ARDOUR_UI::launch_reference ()
2976 {
2977         PBD::open_uri (Config->get_reference_manual_url());
2978 }
2979
2980 void
2981 ARDOUR_UI::hide_about ()
2982 {
2983         if (about) {
2984                 about->get_window()->set_cursor ();
2985                 about->hide ();
2986         }
2987 }
2988
2989 void
2990 ARDOUR_UI::about_signal_response (int /*response*/)
2991 {
2992         hide_about();
2993 }
2994
2995 void
2996 ARDOUR_UI::loading_message (const std::string& msg)
2997 {
2998         if (ARDOUR_COMMAND_LINE::no_splash) {
2999                 return;
3000         }
3001
3002         if (!splash) {
3003                 show_splash ();
3004         }
3005
3006         splash->message (msg);
3007 }
3008
3009 void
3010 ARDOUR_UI::show_splash ()
3011 {
3012         if (splash == 0) {
3013                 try {
3014                         splash = new Splash;
3015                 } catch (...) {
3016                         return;
3017                 }
3018         }
3019
3020         splash->display ();
3021 }
3022
3023 void
3024 ARDOUR_UI::hide_splash ()
3025 {
3026         delete splash;
3027         splash = 0;
3028 }
3029
3030 void
3031 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3032 {
3033         size_t removed;
3034
3035         removed = rep.paths.size();
3036
3037         if (removed == 0) {
3038                 MessageDialog msgd (*editor,
3039                                     _("No files were ready for clean-up"),
3040                                     true,
3041                                     Gtk::MESSAGE_INFO,
3042                                     Gtk::BUTTONS_OK);
3043                 msgd.set_title (_("Clean-up"));
3044                 msgd.set_secondary_text (_("If this seems suprising, \n\
3045 check for any existing snapshots.\n\
3046 These may still include regions that\n\
3047 require some unused files to continue to exist."));
3048
3049                 msgd.run ();
3050                 return;
3051         }
3052
3053         ArdourDialog results (_("Clean-up"), true, false);
3054
3055         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3056             CleanupResultsModelColumns() {
3057                     add (visible_name);
3058                     add (fullpath);
3059             }
3060             Gtk::TreeModelColumn<std::string> visible_name;
3061             Gtk::TreeModelColumn<std::string> fullpath;
3062         };
3063
3064
3065         CleanupResultsModelColumns results_columns;
3066         Glib::RefPtr<Gtk::ListStore> results_model;
3067         Gtk::TreeView results_display;
3068
3069         results_model = ListStore::create (results_columns);
3070         results_display.set_model (results_model);
3071         results_display.append_column (list_title, results_columns.visible_name);
3072
3073         results_display.set_name ("CleanupResultsList");
3074         results_display.set_headers_visible (true);
3075         results_display.set_headers_clickable (false);
3076         results_display.set_reorderable (false);
3077
3078         Gtk::ScrolledWindow list_scroller;
3079         Gtk::Label txt;
3080         Gtk::VBox dvbox;
3081         Gtk::HBox dhbox;  // the hbox for the image and text
3082         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3083         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3084
3085         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3086
3087         const string dead_directory = _session->session_directory().dead_path();
3088
3089         /* subst:
3090            %1 - number of files removed
3091            %2 - location of "dead"
3092            %3 - size of files affected
3093            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3094         */
3095
3096         const char* bprefix;
3097         double space_adjusted = 0;
3098
3099         if (rep.space < 1000) {
3100                 bprefix = X_("");
3101                 space_adjusted = rep.space;
3102         } else if (rep.space < 1000000) {
3103                 bprefix = _("kilo");
3104                 space_adjusted = truncf((float)rep.space / 1000.0);
3105         } else if (rep.space < 1000000 * 1000) {
3106                 bprefix = _("mega");
3107                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3108         } else {
3109                 bprefix = _("giga");
3110                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3111         }
3112
3113         if (msg_delete) {
3114                 txt.set_markup (string_compose (P_("\
3115 The following file was deleted from %2,\n\
3116 releasing %3 %4bytes of disk space", "\
3117 The following %1 files were deleted from %2,\n\
3118 releasing %3 %4bytes of disk space", removed),
3119                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3120         } else {
3121                 txt.set_markup (string_compose (P_("\
3122 The following file was not in use and \n\
3123 has been moved to: %2\n\n\
3124 After a restart of %5\n\n\
3125 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3126 will release an additional %3 %4bytes of disk space.\n", "\
3127 The following %1 files were not in use and \n\
3128 have been moved to: %2\n\n\
3129 After a restart of %5\n\n\
3130 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3131 will release an additional %3 %4bytes of disk space.\n", removed),
3132                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3133         }
3134
3135         dhbox.pack_start (*dimage, true, false, 5);
3136         dhbox.pack_start (txt, true, false, 5);
3137
3138         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3139                 TreeModel::Row row = *(results_model->append());
3140                 row[results_columns.visible_name] = *i;
3141                 row[results_columns.fullpath] = *i;
3142         }
3143
3144         list_scroller.add (results_display);
3145         list_scroller.set_size_request (-1, 150);
3146         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3147
3148         dvbox.pack_start (dhbox, true, false, 5);
3149         dvbox.pack_start (list_scroller, true, false, 5);
3150         ddhbox.pack_start (dvbox, true, false, 5);
3151
3152         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3153         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3154         results.set_default_response (RESPONSE_CLOSE);
3155         results.set_position (Gtk::WIN_POS_MOUSE);
3156
3157         results_display.show();
3158         list_scroller.show();
3159         txt.show();
3160         dvbox.show();
3161         dhbox.show();
3162         ddhbox.show();
3163         dimage->show();
3164
3165         //results.get_vbox()->show();
3166         results.set_resizable (false);
3167
3168         results.run ();
3169
3170 }
3171
3172 void
3173 ARDOUR_UI::cleanup ()
3174 {
3175         if (_session == 0) {
3176                 /* shouldn't happen: menu item is insensitive */
3177                 return;
3178         }
3179
3180
3181         MessageDialog checker (_("Are you sure you want to clean-up?"),
3182                                 true,
3183                                 Gtk::MESSAGE_QUESTION,
3184                                 Gtk::BUTTONS_NONE);
3185
3186         checker.set_title (_("Clean-up"));
3187
3188         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3189 ALL undo/redo information will be lost if you clean-up.\n\
3190 Clean-up will move all unused files to a \"dead\" location."));
3191
3192         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3193         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3194         checker.set_default_response (RESPONSE_CANCEL);
3195
3196         checker.set_name (_("CleanupDialog"));
3197         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3198         checker.set_position (Gtk::WIN_POS_MOUSE);
3199
3200         switch (checker.run()) {
3201         case RESPONSE_ACCEPT:
3202                 break;
3203         default:
3204                 return;
3205         }
3206
3207         ARDOUR::CleanupReport rep;
3208
3209         editor->prepare_for_cleanup ();
3210
3211         /* do not allow flush until a session is reloaded */
3212
3213         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3214         if (act) {
3215                 act->set_sensitive (false);
3216         }
3217
3218         if (_session->cleanup_sources (rep)) {
3219                 editor->finish_cleanup ();
3220                 return;
3221         }
3222
3223         editor->finish_cleanup ();
3224
3225         checker.hide();
3226         display_cleanup_results (rep, _("Cleaned Files"), false);
3227 }
3228
3229 void
3230 ARDOUR_UI::flush_trash ()
3231 {
3232         if (_session == 0) {
3233                 /* shouldn't happen: menu item is insensitive */
3234                 return;
3235         }
3236
3237         ARDOUR::CleanupReport rep;
3238
3239         if (_session->cleanup_trash_sources (rep)) {
3240                 return;
3241         }
3242
3243         display_cleanup_results (rep, _("deleted file"), true);
3244 }
3245
3246 void
3247 ARDOUR_UI::add_route (Gtk::Window* float_window)
3248 {
3249         int count;
3250
3251         if (!_session) {
3252                 return;
3253         }
3254
3255         if (add_route_dialog == 0) {
3256                 add_route_dialog = new AddRouteDialog (_session);
3257                 add_route_dialog->set_position (WIN_POS_MOUSE);
3258                 if (float_window) {
3259                         add_route_dialog->set_transient_for (*float_window);
3260                 }
3261         }
3262
3263         if (add_route_dialog->is_visible()) {
3264                 /* we're already doing this */
3265                 return;
3266         }
3267
3268         ResponseType r = (ResponseType) add_route_dialog->run ();
3269
3270         add_route_dialog->hide();
3271
3272         switch (r) {
3273                 case RESPONSE_ACCEPT:
3274                         break;
3275                 default:
3276                         return;
3277                         break;
3278         }
3279
3280         if ((count = add_route_dialog->count()) <= 0) {
3281                 return;
3282         }
3283
3284         PBD::ScopedConnection idle_connection;
3285
3286         if (count > 8) {
3287                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3288         }
3289
3290         string template_path = add_route_dialog->track_template();
3291
3292         if (!template_path.empty()) {
3293                 if (add_route_dialog->name_template_is_default())  {
3294                         _session->new_route_from_template (count, template_path, string());
3295                 } else {
3296                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3297                 }
3298                 return;
3299         }
3300
3301         ChanCount input_chan= add_route_dialog->channels ();
3302         ChanCount output_chan;
3303         string name_template = add_route_dialog->name_template ();
3304         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3305         RouteGroup* route_group = add_route_dialog->route_group ();
3306         AutoConnectOption oac = Config->get_output_auto_connect();
3307
3308         if (oac & AutoConnectMaster) {
3309                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3310                 output_chan.set (DataType::MIDI, 0);
3311         } else {
3312                 output_chan = input_chan;
3313         }
3314
3315         /* XXX do something with name template */
3316
3317         switch (add_route_dialog->type_wanted()) {
3318         case AddRouteDialog::AudioTrack:
3319                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3320                 break;
3321         case AddRouteDialog::MidiTrack:
3322                 session_add_midi_track (route_group, count, name_template, instrument);
3323                 break;
3324         case AddRouteDialog::MixedTrack:
3325                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3326                 break;
3327         case AddRouteDialog::AudioBus:
3328                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3329                 break;
3330         }
3331
3332         /* idle connection will end at scope end */
3333 }
3334
3335 #ifdef WITH_VIDEOTIMELINE
3336 void
3337 ARDOUR_UI::stop_video_server (bool ask_confirm)
3338 {
3339         if (!video_server_process && ask_confirm) {
3340                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3341         }
3342         if (video_server_process) {
3343                 if(ask_confirm) {
3344                         ArdourDialog confirm (_("Stop Video-Server"), true);
3345                         Label m (_("Do you really want to stop the Video Server?"));
3346                         confirm.get_vbox()->pack_start (m, true, true);
3347                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3348                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3349                         confirm.show_all ();
3350                         if (confirm.run() == RESPONSE_CANCEL) {
3351                                 return;
3352                         }
3353                 }
3354                 delete video_server_process;
3355                 video_server_process =0;
3356         }
3357 }
3358
3359 void
3360 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3361 {
3362   ARDOUR_UI::start_video_server( float_window, true);
3363 }
3364
3365 bool
3366 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3367 {
3368         if (!_session) {
3369                 return false;
3370         }
3371         if (popup_msg) {
3372                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3373                         if (video_server_process) {
3374                                 popup_error(_("The Video Server is already started."));
3375                         } else {
3376                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3377                         }
3378                 }
3379         }
3380
3381         int firsttime = 0;
3382         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3383                 if (firsttime++) {
3384                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3385                 }
3386                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3387                 if (float_window) {
3388                         video_server_dialog->set_transient_for (*float_window);
3389                 }
3390
3391                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3392                         video_server_dialog->hide();
3393                 } else {
3394                         ResponseType r = (ResponseType) video_server_dialog->run ();
3395                         video_server_dialog->hide();
3396                         if (r != RESPONSE_ACCEPT) { return false; }
3397                         if (video_server_dialog->show_again()) {
3398                                 Config->set_show_video_server_dialog(false);
3399                         }
3400                 }
3401
3402                 std::string icsd_exec = video_server_dialog->get_exec_path();
3403                 std::string icsd_docroot = video_server_dialog->get_docroot();
3404                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3405
3406                 struct stat sb;
3407                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3408                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3409                         continue;
3410                 }
3411                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3412                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3413                         warning << _("Given Video Server is not an executable file.") << endmsg;
3414                         continue;
3415                 }
3416
3417                 char **argp;
3418                 argp=(char**) calloc(9,sizeof(char*));
3419                 argp[0] = strdup(icsd_exec.c_str());
3420                 argp[1] = strdup("-P");
3421                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3422                 argp[3] = strdup("-p");
3423                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3424                 argp[5] = strdup("-C");
3425                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3426                 argp[7] = strdup(icsd_docroot.c_str());
3427                 argp[8] = 0;
3428                 stop_video_server();
3429
3430                 if (icsd_docroot == X_("/")) {
3431                         Config->set_video_advanced_setup(false);
3432                 } else {
3433                         std::ostringstream osstream;
3434                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3435                         Config->set_video_server_url(osstream.str());
3436                         Config->set_video_server_docroot(icsd_docroot);
3437                         Config->set_video_advanced_setup(true);
3438                 }
3439
3440                 video_server_process = new SystemExec(icsd_exec, argp);
3441                 video_server_process->start();
3442                 sleep(1);
3443         }
3444         return true;
3445 }
3446
3447 void
3448 ARDOUR_UI::add_video (Gtk::Window* float_window)
3449 {
3450         if (!_session) {
3451                 return;
3452         }
3453
3454         if (!start_video_server(float_window, false)) {
3455                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3456                 return;
3457         }
3458
3459         if (add_video_dialog == 0) {
3460                 add_video_dialog = new AddVideoDialog (_session);
3461                 if (float_window) {
3462                         add_video_dialog->set_transient_for (*float_window);
3463                 }
3464         }
3465
3466         if (add_video_dialog->is_visible()) {
3467                 /* we're already doing this */
3468                 return;
3469         }
3470         ResponseType r = (ResponseType) add_video_dialog->run ();
3471         add_video_dialog->hide();
3472         if (r != RESPONSE_ACCEPT) { return; }
3473
3474         bool local_file;
3475         std::string path = add_video_dialog->file_name(local_file);
3476         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3477
3478         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3479                 warning << string_compose(_("could not open %1"), path) << endmsg;
3480                 return;
3481         }
3482         if (!local_file && path.length() == 0) {
3483                 warning << _("no video-file selected") << endmsg;
3484                 return;
3485         }
3486
3487         switch (add_video_dialog->import_option()) {
3488                 case VTL_IMPORT_TRANSCODE:
3489                         {
3490                                 TranscodeVideoDialog *transcode_video_dialog;
3491                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3492                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3493                                 transcode_video_dialog->hide();
3494                                 if (r != RESPONSE_ACCEPT) {
3495                                         delete transcode_video_dialog;
3496                                         return;
3497                                 }
3498                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3499                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3500                                 }
3501                                 switch (transcode_video_dialog->import_option()) {
3502                                         case VTL_IMPORT_TRANSCODED:
3503                                                 path = transcode_video_dialog->get_filename();
3504                                                 local_file = true;
3505                                                 break;
3506                                         case VTL_IMPORT_REFERENCE:
3507                                                 break;
3508                                         default:
3509                                                 delete transcode_video_dialog;
3510                                                 return;
3511                                 }
3512                                 delete transcode_video_dialog;
3513                         }
3514                         break;
3515                 default:
3516                 case VTL_IMPORT_NONE:
3517                         break;
3518         }
3519
3520         /* strip _session->session_directory().video_path() from video file if possible */
3521         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3522                  path=path.substr(_session->session_directory().video_path().size());
3523                  if (path.at(0) == G_DIR_SEPARATOR) {
3524                          path=path.substr(1);
3525                  }
3526         }
3527
3528         video_timeline->set_update_session_fps(auto_set_session_fps);
3529         if (video_timeline->video_file_info(path, local_file)) {
3530                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3531                 node->add_property (X_("Filename"), path);
3532                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3533                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3534                 _session->add_extra_xml (*node);
3535                 _session->set_dirty ();
3536
3537                 _session->maybe_update_session_range(
3538                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3539                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3540
3541
3542                 if (add_video_dialog->launch_xjadeo() && local_file) {
3543                         editor->set_xjadeo_sensitive(true);
3544                         editor->toggle_xjadeo_proc(1);
3545                 } else {
3546                         editor->toggle_xjadeo_proc(0);
3547                 }
3548                 editor->toggle_ruler_video(true);
3549         }
3550 }
3551
3552 void
3553 ARDOUR_UI::remove_video ()
3554 {
3555         video_timeline->close_session();
3556         editor->toggle_ruler_video(false);
3557
3558         /* delete session state */
3559         XMLNode* node = new XMLNode(X_("Videotimeline"));
3560         _session->add_extra_xml(*node);
3561         node = new XMLNode(X_("Videomonitor"));
3562         _session->add_extra_xml(*node);
3563         stop_video_server();
3564 }
3565
3566 void
3567 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3568 {
3569         if (localcacheonly) {
3570                 video_timeline->vmon_update();
3571         } else {
3572                 video_timeline->flush_cache();
3573         }
3574         editor->queue_visual_videotimeline_update();
3575 }
3576 #endif
3577
3578 XMLNode*
3579 ARDOUR_UI::mixer_settings () const
3580 {
3581         XMLNode* node = 0;
3582
3583         if (_session) {
3584                 node = _session->instant_xml(X_("Mixer"));
3585         } else {
3586                 node = Config->instant_xml(X_("Mixer"));
3587         }
3588
3589         if (!node) {
3590                 node = new XMLNode (X_("Mixer"));
3591         }
3592
3593         return node;
3594 }
3595
3596 XMLNode*
3597 ARDOUR_UI::editor_settings () const
3598 {
3599         XMLNode* node = 0;
3600
3601         if (_session) {
3602                 node = _session->instant_xml(X_("Editor"));
3603         } else {
3604                 node = Config->instant_xml(X_("Editor"));
3605         }
3606
3607         if (!node) {
3608                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3609                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3610                 }
3611         }
3612
3613         if (!node) {
3614                 node = new XMLNode (X_("Editor"));
3615         }
3616
3617         return node;
3618 }
3619
3620 XMLNode*
3621 ARDOUR_UI::keyboard_settings () const
3622 {
3623         XMLNode* node = 0;
3624
3625         node = Config->extra_xml(X_("Keyboard"));
3626
3627         if (!node) {
3628                 node = new XMLNode (X_("Keyboard"));
3629         }
3630
3631         return node;
3632 }
3633
3634 void
3635 ARDOUR_UI::create_xrun_marker (framepos_t where)
3636 {
3637         editor->mouse_add_new_marker (where, false, true);
3638 }
3639
3640 void
3641 ARDOUR_UI::halt_on_xrun_message ()
3642 {
3643         MessageDialog msg (*editor,
3644                            _("Recording was stopped because your system could not keep up."));
3645         msg.run ();
3646 }
3647
3648 void
3649 ARDOUR_UI::xrun_handler (framepos_t where)
3650 {
3651         if (!_session) {
3652                 return;
3653         }
3654
3655         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3656
3657         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3658                 create_xrun_marker(where);
3659         }
3660
3661         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3662                 halt_on_xrun_message ();
3663         }
3664 }
3665
3666 void
3667 ARDOUR_UI::disk_overrun_handler ()
3668 {
3669         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3670
3671         if (!have_disk_speed_dialog_displayed) {
3672                 have_disk_speed_dialog_displayed = true;
3673                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3674 The disk system on your computer\n\
3675 was not able to keep up with %1.\n\
3676 \n\
3677 Specifically, it failed to write data to disk\n\
3678 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3679                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3680                 msg->show ();
3681         }
3682 }
3683
3684 void
3685 ARDOUR_UI::disk_underrun_handler ()
3686 {
3687         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3688
3689         if (!have_disk_speed_dialog_displayed) {
3690                 have_disk_speed_dialog_displayed = true;
3691                 MessageDialog* msg = new MessageDialog (
3692                         *editor, string_compose (_("The disk system on your computer\n\
3693 was not able to keep up with %1.\n\
3694 \n\
3695 Specifically, it failed to read data from disk\n\
3696 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3697                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3698                 msg->show ();
3699         }
3700 }
3701
3702 void
3703 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3704 {
3705         have_disk_speed_dialog_displayed = false;
3706         delete msg;
3707 }
3708
3709 void
3710 ARDOUR_UI::session_dialog (std::string msg)
3711 {
3712         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3713
3714         MessageDialog* d;
3715
3716         if (editor) {
3717                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3718         } else {
3719                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3720         }
3721
3722         d->show_all ();
3723         d->run ();
3724         delete d;
3725 }
3726
3727 int
3728 ARDOUR_UI::pending_state_dialog ()
3729 {
3730         HBox* hbox = new HBox();
3731         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3732         ArdourDialog dialog (_("Crash Recovery"), true);
3733         Label  message (string_compose (_("\
3734 This session appears to have been in the\n\
3735 middle of recording when %1 or\n\
3736 the computer was shutdown.\n\
3737 \n\
3738 %1 can recover any captured audio for\n\
3739 you, or it can ignore it. Please decide\n\
3740 what you would like to do.\n"), PROGRAM_NAME));
3741         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3742         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3743         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3744         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3745         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3746         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3747         dialog.set_default_response (RESPONSE_ACCEPT);
3748         dialog.set_position (WIN_POS_CENTER);
3749         message.show();
3750         image->show();
3751         hbox->show();
3752
3753         switch (dialog.run ()) {
3754         case RESPONSE_ACCEPT:
3755                 return 1;
3756         default:
3757                 return 0;
3758         }
3759 }
3760
3761 int
3762 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3763 {
3764         HBox* hbox = new HBox();
3765         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3766         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3767         Label  message (string_compose (_("\
3768 This session was created with a sample rate of %1 Hz, but\n\
3769 %2 is currently running at %3 Hz.  If you load this session,\n\
3770 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3771
3772         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3773         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3774         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3775         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3776         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3777         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3778         dialog.set_default_response (RESPONSE_ACCEPT);
3779         dialog.set_position (WIN_POS_CENTER);
3780         message.show();
3781         image->show();
3782         hbox->show();
3783
3784         switch (dialog.run ()) {
3785         case RESPONSE_ACCEPT:
3786                 return 0;
3787         default:
3788                 return 1;
3789         }
3790 }
3791
3792
3793 void
3794 ARDOUR_UI::disconnect_from_jack ()
3795 {
3796         if (engine) {
3797                 if (engine->disconnect_from_jack ()) {
3798                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3799                         msg.run ();
3800                 }
3801
3802                 update_sample_rate (0);
3803         }
3804 }
3805
3806 void
3807 ARDOUR_UI::reconnect_to_jack ()
3808 {
3809         if (engine) {
3810                 if (engine->reconnect_to_jack ()) {
3811                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3812                         msg.run ();
3813                 }
3814
3815                 update_sample_rate (0);
3816         }
3817 }
3818
3819 void
3820 ARDOUR_UI::use_config ()
3821 {
3822         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3823         if (node) {
3824                 set_transport_controllable_state (*node);
3825         }
3826 }
3827
3828 void
3829 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3830 {
3831         if (Config->get_primary_clock_delta_edit_cursor()) {
3832                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3833         } else {
3834                 primary_clock->set (pos);
3835         }
3836
3837         if (Config->get_secondary_clock_delta_edit_cursor()) {
3838                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3839         } else {
3840                 secondary_clock->set (pos);
3841         }
3842
3843         if (big_clock_window->get()) {
3844                 big_clock->set (pos);
3845         }
3846 #ifdef WITH_VIDEOTIMELINE
3847         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3848 #endif
3849 }
3850
3851
3852 void
3853 ARDOUR_UI::step_edit_status_change (bool yn)
3854 {
3855         // XXX should really store pre-step edit status of things
3856         // we make insensitive
3857
3858         if (yn) {
3859                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3860                 rec_button.set_sensitive (false);
3861         } else {
3862                 rec_button.unset_active_state ();;
3863                 rec_button.set_sensitive (true);
3864         }
3865 }
3866
3867 void
3868 ARDOUR_UI::record_state_changed ()
3869 {
3870         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3871
3872         if (!_session || !big_clock_window->get()) {
3873                 /* why bother - the clock isn't visible */
3874                 return;
3875         }
3876
3877         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3878                 big_clock->set_active (true);
3879         } else {
3880                 big_clock->set_active (false);
3881         }
3882 }
3883
3884 bool
3885 ARDOUR_UI::first_idle ()
3886 {
3887         if (_session) {
3888                 _session->allow_auto_play (true);
3889         }
3890
3891         if (editor) {
3892                 editor->first_idle();
3893         }
3894
3895         Keyboard::set_can_save_keybindings (true);
3896         return false;
3897 }
3898
3899 void
3900 ARDOUR_UI::store_clock_modes ()
3901 {
3902         XMLNode* node = new XMLNode(X_("ClockModes"));
3903
3904         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3905                 XMLNode* child = new XMLNode (X_("Clock"));
3906
3907                 child->add_property (X_("name"), (*x)->name());
3908                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3909                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3910
3911                 node->add_child_nocopy (*child);
3912         }
3913
3914         _session->add_extra_xml (*node);
3915         _session->set_dirty ();
3916 }
3917
3918 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3919         : Controllable (name), ui (u), type(tp)
3920 {
3921
3922 }
3923
3924 void
3925 ARDOUR_UI::TransportControllable::set_value (double val)
3926 {
3927         if (val < 0.5) {
3928                 /* do nothing: these are radio-style actions */
3929                 return;
3930         }
3931
3932         const char *action = 0;
3933
3934         switch (type) {
3935         case Roll:
3936                 action = X_("Roll");
3937                 break;
3938         case Stop:
3939                 action = X_("Stop");
3940                 break;
3941         case GotoStart:
3942                 action = X_("GotoStart");
3943                 break;
3944         case GotoEnd:
3945                 action = X_("GotoEnd");
3946                 break;
3947         case AutoLoop:
3948                 action = X_("Loop");
3949                 break;
3950         case PlaySelection:
3951                 action = X_("PlaySelection");
3952                 break;
3953         case RecordEnable:
3954                 action = X_("Record");
3955                 break;
3956         default:
3957                 break;
3958         }
3959
3960         if (action == 0) {
3961                 return;
3962         }
3963
3964         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3965
3966         if (act) {
3967                 act->activate ();
3968         }
3969 }
3970
3971 double
3972 ARDOUR_UI::TransportControllable::get_value (void) const
3973 {
3974         float val = 0.0;
3975
3976         switch (type) {
3977         case Roll:
3978                 break;
3979         case Stop:
3980                 break;
3981         case GotoStart:
3982                 break;
3983         case GotoEnd:
3984                 break;
3985         case AutoLoop:
3986                 break;
3987         case PlaySelection:
3988                 break;
3989         case RecordEnable:
3990                 break;
3991         default:
3992                 break;
3993         }
3994
3995         return val;
3996 }
3997
3998 void
3999 ARDOUR_UI::setup_profile ()
4000 {
4001         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4002                 Profile->set_small_screen ();
4003         }
4004
4005         if (getenv ("ARDOUR_SAE")) {
4006                 Profile->set_sae ();
4007                 Profile->set_single_package ();
4008         }
4009 }
4010
4011 /** Add a window proxy to our list, so that its state will be saved.
4012  *  This call also causes the window to be created and opened if its
4013  *  state was saved as `visible'.
4014  */
4015 void
4016 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4017 {
4018         _window_proxies.push_back (p);
4019         p->maybe_show ();
4020 }
4021
4022 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4023  *  is deleted, to prevent hanging pointers.
4024  */
4025 void
4026 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4027 {
4028         _window_proxies.remove (p);
4029 }
4030
4031 int
4032 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4033 {
4034         MissingFileDialog dialog (s, str, type);
4035
4036         dialog.show ();
4037         dialog.present ();
4038
4039         int result = dialog.run ();
4040         dialog.hide ();
4041
4042         switch (result) {
4043         case RESPONSE_OK:
4044                 break;
4045         default:
4046                 return 1; // quit entire session load
4047         }
4048
4049         result = dialog.get_action ();
4050
4051         return result;
4052 }
4053
4054 int
4055 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4056 {
4057         AmbiguousFileDialog dialog (file, hits);
4058
4059         dialog.show ();
4060         dialog.present ();
4061
4062         dialog.run ();
4063         return dialog.get_which ();
4064 }
4065
4066 /** Allocate our thread-local buffers */
4067 void
4068 ARDOUR_UI::get_process_buffers ()
4069 {
4070         _process_thread->get_buffers ();
4071 }
4072
4073 /** Drop our thread-local buffers */
4074 void
4075 ARDOUR_UI::drop_process_buffers ()
4076 {
4077         _process_thread->drop_buffers ();
4078 }
4079
4080 void
4081 ARDOUR_UI::feedback_detected ()
4082 {
4083         _feedback_exists = true;
4084 }
4085
4086 void
4087 ARDOUR_UI::successful_graph_sort ()
4088 {
4089         _feedback_exists = false;
4090 }
4091
4092 void
4093 ARDOUR_UI::midi_panic ()
4094 {
4095         if (_session) {
4096                 _session->midi_panic();
4097         }
4098 }
4099
4100 void
4101 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4102 {
4103         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4104         const char* end_big = "</span>";
4105         const char* start_mono = "<tt>";
4106         const char* end_mono = "</tt>";
4107
4108         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4109                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4110                                              "From now on, use the -2000 version with older versions of %3"),
4111                                            xml_path, backup_path, PROGRAM_NAME,
4112                                            start_big, end_big,
4113                                            start_mono, end_mono), true);
4114
4115         msg.run ();
4116 }