gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #include <stdint.h>
  31 #include <fcntl.h>
  32 #include <signal.h>
  33 #include <unistd.h>
  34 #include <time.h>
  35
  36 #include <sys/resource.h>
  37 #include <sys/types.h>
  38 #include <sys/sysctl.h>
  39
  40 #include <gtkmm/messagedialog.h>
  41 #include <gtkmm/accelmap.h>
  42
  43 #include "pbd/error.h"
  44 #include "pbd/basename.h"
  45 #include "pbd/compose.h"
  46 #include "pbd/failed_constructor.h"
  47 #include "pbd/enumwriter.h"
  48 #include "pbd/memento_command.h"
  49 #include "pbd/openuri.h"
  50 #include "pbd/file_utils.h"
  51
  52 #include "gtkmm2ext/application.h"
  53 #include "gtkmm2ext/bindings.h"
  54 #include "gtkmm2ext/gtk_ui.h"
  55 #include "gtkmm2ext/utils.h"
  56 #include "gtkmm2ext/click_box.h"
  57 #include "gtkmm2ext/fastmeter.h"
  58 #include "gtkmm2ext/popup.h"
  59 #include "gtkmm2ext/window_title.h"
  60
  61 #include "midi++/manager.h"
  62
  63 #include "ardour/ardour.h"
  64 #include "ardour/audioengine.h"
  65 #include "ardour/audiofilesource.h"
  66 #include "ardour/automation_watch.h"
  67 #include "ardour/diskstream.h"
  68 #include "ardour/filename_extensions.h"
  69 #include "ardour/filesystem_paths.h"
  70 #include "ardour/port.h"
  71 #include "ardour/process_thread.h"
  72 #include "ardour/profile.h"
  73 #include "ardour/recent_sessions.h"
  74 #include "ardour/session_directory.h"
  75 #include "ardour/session_route.h"
  76 #include "ardour/session_state_utils.h"
  77 #include "ardour/session_utils.h"
  78 #include "ardour/slave.h"
  79
  80 #include "timecode/time.h"
  81
  82 typedef uint64_t microseconds_t;
  83
  84 #include "about.h"
  85 #include "actions.h"
  86 #include "add_route_dialog.h"
  87 #include "ambiguous_file_dialog.h"
  88 #include "ardour_ui.h"
  89 #include "audio_clock.h"
  90 #include "big_clock_window.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 "keyeditor.h"
  99 #include "location_ui.h"
 100 #include "main_clock.h"
 101 #include "missing_file_dialog.h"
 102 #include "missing_plugin_dialog.h"
 103 #include "mixer_ui.h"
 104 #include "mouse_cursors.h"
 105 #include "opts.h"
 106 #include "pingback.h"
 107 #include "processor_box.h"
 108 #include "prompter.h"
 109 #include "public_editor.h"
 110 #include "rc_option_editor.h"
 111 #include "route_time_axis.h"
 112 #include "route_params_ui.h"
 113 #include "session_metadata_dialog.h"
 114 #include "session_option_editor.h"
 115 #include "shuttle_control.h"
 116 #include "speaker_dialog.h"
 117 #include "splash.h"
 118 #include "startup.h"
 119 #include "theme_manager.h"
 120 #include "time_axis_view_item.h"
 121 #include "utils.h"
 122 #include "video_server_dialog.h"
 123 #include "add_video_dialog.h"
 124 #include "transcode_video_dialog.h"
 125 #include "system_exec.h"
 126
 127 #include "i18n.h"
 128
 129 using namespace ARDOUR;
 130 using namespace PBD;
 131 using namespace Gtkmm2ext;
 132 using namespace Gtk;
 133 using namespace std;
 134
 135 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 136 UIConfiguration *ARDOUR_UI::ui_config = 0;
 137
 138 sigc::signal<void,bool> ARDOUR_UI::Blink;
 139 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 140 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 141 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 142 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 143
 144 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 145
 146         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 147
 148         , gui_object_state (new GUIObjectState)
 149
 150         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 151         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 152
 153           /* big clock */
 154
 155         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 156         , video_timeline(0)
 157
 158           /* start of private members */
 159
 160         , _startup (0)
 161         , engine (0)
 162         , nsm (0)
 163         , _was_dirty (false)
 164         , _mixer_on_top (false)
 165
 166           /* transport */
 167
 168         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 169         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 170         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 171         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 172         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 173         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 174         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 175
 176         , auto_return_button (ArdourButton::led_default_elements)
 177         , follow_edits_button (ArdourButton::led_default_elements)
 178         , auto_input_button (ArdourButton::led_default_elements)
 179
 180         , auditioning_alert_button (_("audition"))
 181         , solo_alert_button (_("solo"))
 182         , feedback_alert_button (_("feedback"))
 183
 184         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 185         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 186         , key_editor (X_("key-editor"), _("Key Bindings"))
 187         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 188         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 189         , about (X_("about"), _("About"))
 190         , location_ui (X_("locations"), _("Locations"))
 191         , route_params (X_("inspector"), _("Tracks and Busses"))
 192         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 193         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 194         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 195         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 196         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 197         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 198
 199         , error_log_button (_("Errors"))
 200
 201         , _status_bar_visibility (X_("status-bar"))
 202         , _feedback_exists (false)
 203
 204 {
 205         Gtkmm2ext::init(localedir);
 206
 207         splash = 0;
 208
 209         if (theArdourUI == 0) {
 210                 theArdourUI = this;
 211         }
 212
 213         ui_config = new UIConfiguration();
 214         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 215         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 216         ui_config->map_parameters (pc);
 217
 218         editor = 0;
 219         mixer = 0;
 220         meterbridge = 0;
 221         editor = 0;
 222         engine = 0;
 223         _session_is_new = false;
 224         session_selector_window = 0;
 225         last_key_press_time = 0;
 226         video_server_process = 0;
 227         open_session_selector = 0;
 228         have_configure_timeout = false;
 229         have_disk_speed_dialog_displayed = false;
 230         session_loaded = false;
 231         ignore_dual_punch = false;
 232
 233         roll_button.set_controllable (roll_controllable);
 234         stop_button.set_controllable (stop_controllable);
 235         goto_start_button.set_controllable (goto_start_controllable);
 236         goto_end_button.set_controllable (goto_end_controllable);
 237         auto_loop_button.set_controllable (auto_loop_controllable);
 238         play_selection_button.set_controllable (play_selection_controllable);
 239         rec_button.set_controllable (rec_controllable);
 240
 241         roll_button.set_name ("transport button");
 242         stop_button.set_name ("transport button");
 243         goto_start_button.set_name ("transport button");
 244         goto_end_button.set_name ("transport button");
 245         auto_loop_button.set_name ("transport button");
 246         play_selection_button.set_name ("transport button");
 247         rec_button.set_name ("transport recenable button");
 248         midi_panic_button.set_name ("transport button");
 249
 250         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 251         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 252         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 253
 254         last_configure_time= 0;
 255         last_peak_grab = 0;
 256
 257         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 258         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 259
 260         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 261
 262         /* handle dialog requests */
 263
 264         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 265
 266         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 267
 268         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 269
 270         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 271
 272         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 273
 274         /* handle requests to quit (coming from JACK session) */
 275
 276         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 277
 278         /* tell the user about feedback */
 279
 280         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 281         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 282
 283         /* handle requests to deal with missing files */
 284
 285         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 286
 287         /* and ambiguous files */
 288
 289         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 290
 291         /* lets get this party started */
 292
 293         try {
 294                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 295                         throw failed_constructor ();
 296                 }
 297
 298                 setup_gtk_ardour_enums ();
 299                 setup_profile ();
 300
 301                 SessionEvent::create_per_thread_pool ("GUI", 512);
 302
 303         } catch (failed_constructor& err) {
 304                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 305                 // pass it on up
 306                 throw;
 307         }
 308
 309         /* we like keyboards */
 310
 311         keyboard = new ArdourKeyboard(*this);
 312
 313         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 314         if (node) {
 315                 keyboard->set_state (*node, Stateful::loading_state_version);
 316         }
 317
 318         /* we don't like certain modifiers */
 319         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 320
 321         reset_dpi();
 322
 323         TimeAxisViewItem::set_constant_heights ();
 324
 325         /* Set this up so that our window proxies can register actions */
 326
 327         ActionManager::init ();
 328
 329         /* The following must happen after ARDOUR::init() so that Config is set up */
 330
 331         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 332
 333         if (ui_xml) {
 334                 theme_manager.set_state (*ui_xml);
 335                 key_editor.set_state (*ui_xml);
 336                 rc_option_editor.set_state (*ui_xml);
 337                 session_option_editor.set_state (*ui_xml);
 338                 speaker_config_window.set_state (*ui_xml);
 339                 about.set_state (*ui_xml);
 340                 add_route_dialog.set_state (*ui_xml);
 341                 add_video_dialog.set_state (*ui_xml);
 342                 route_params.set_state (*ui_xml);
 343                 bundle_manager.set_state (*ui_xml);
 344                 location_ui.set_state (*ui_xml);
 345                 big_clock_window.set_state (*ui_xml);
 346                 audio_port_matrix.set_state (*ui_xml);
 347                 midi_port_matrix.set_state (*ui_xml);
 348         }
 349
 350         WM::Manager::instance().register_window (&theme_manager);
 351         WM::Manager::instance().register_window (&key_editor);
 352         WM::Manager::instance().register_window (&rc_option_editor);
 353         WM::Manager::instance().register_window (&session_option_editor);
 354         WM::Manager::instance().register_window (&speaker_config_window);
 355         WM::Manager::instance().register_window (&about);
 356         WM::Manager::instance().register_window (&add_route_dialog);
 357         WM::Manager::instance().register_window (&add_video_dialog);
 358         WM::Manager::instance().register_window (&route_params);
 359         WM::Manager::instance().register_window (&bundle_manager);
 360         WM::Manager::instance().register_window (&location_ui);
 361         WM::Manager::instance().register_window (&big_clock_window);
 362         WM::Manager::instance().register_window (&audio_port_matrix);
 363         WM::Manager::instance().register_window (&midi_port_matrix);
 364
 365         /* We need to instantiate the theme manager because it loads our
 366            theme files. This should really change so that its window
 367            and its functionality are separate
 368         */
 369
 370         (void) theme_manager.get (true);
 371
 372         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 373         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 374
 375         _process_thread = new ProcessThread ();
 376         _process_thread->init ();
 377
 378         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 379 }
 380
 381 GlobalPortMatrixWindow*
 382 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 383 {
 384         if (!_session) {
 385                 return 0;
 386         }
 387         return new GlobalPortMatrixWindow (_session, type);
 388 }
 389
 390 int
 391 ARDOUR_UI::create_engine ()
 392 {
 393         // this gets called every time by new_session()
 394
 395         if (engine) {
 396                 return 0;
 397         }
 398
 399         loading_message (_("Starting audio engine"));
 400
 401         try {
 402                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 403
 404         } catch (...) {
 405
 406                 return -1;
 407         }
 408
 409         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 410         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 411         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 412
 413         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 414
 415         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 416
 417         post_engine ();
 418
 419         return 0;
 420 }
 421
 422 void
 423 ARDOUR_UI::post_engine ()
 424 {
 425         /* Things to be done once we create the AudioEngine
 426          */
 427
 428         ARDOUR::init_post_engine ();
 429
 430         _tooltips.enable();
 431
 432         ActionManager::load_menus ();
 433
 434         if (setup_windows ()) {
 435                 throw failed_constructor ();
 436         }
 437
 438         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 439         XMLNode* n = Config->extra_xml (X_("UI"));
 440         if (n) {
 441                 _status_bar_visibility.set_state (*n);
 442         }
 443
 444         check_memory_locking();
 445
 446         /* this is the first point at which all the keybindings are available */
 447
 448         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 449                 vector<string> names;
 450                 vector<string> paths;
 451                 vector<string> tooltips;
 452                 vector<string> keys;
 453                 vector<AccelKey> bindings;
 454
 455                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 456
 457                 vector<string>::iterator n;
 458                 vector<string>::iterator k;
 459                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 460                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 461                 }
 462
 463                 exit (0);
 464         }
 465
 466         blink_timeout_tag = -1;
 467
 468         /* this being a GUI and all, we want peakfiles */
 469
 470         AudioFileSource::set_build_peakfiles (true);
 471         AudioFileSource::set_build_missing_peakfiles (true);
 472
 473         /* set default clock modes */
 474
 475         if (Profile->get_sae()) {
 476                 primary_clock->set_mode (AudioClock::BBT);
 477                 secondary_clock->set_mode (AudioClock::MinSec);
 478         }  else {
 479                 primary_clock->set_mode (AudioClock::Timecode);
 480                 secondary_clock->set_mode (AudioClock::BBT);
 481         }
 482
 483         /* start the time-of-day-clock */
 484
 485 #ifndef GTKOSX
 486         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 487         update_wall_clock ();
 488         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 489 #endif
 490
 491         update_disk_space ();
 492         update_cpu_load ();
 493         update_sample_rate (engine->frame_rate());
 494         update_timecode_format ();
 495
 496         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 497         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 498         Config->map_parameters (pc);
 499
 500         /* now start and maybe save state */
 501
 502         if (do_engine_start () == 0) {
 503                 if (_session && _session_is_new) {
 504                         /* we need to retain initial visual
 505                            settings for a new session
 506                         */
 507                         _session->save_state ("");
 508                 }
 509         }
 510 }
 511
 512 ARDOUR_UI::~ARDOUR_UI ()
 513 {
 514         delete keyboard;
 515         delete editor;
 516         delete mixer;
 517         delete meterbridge;
 518
 519         stop_video_server();
 520 }
 521
 522 void
 523 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 524 {
 525         if (Splash::instance()) {
 526                 Splash::instance()->pop_back_for (win);
 527         }
 528 }
 529
 530 gint
 531 ARDOUR_UI::configure_timeout ()
 532 {
 533         if (last_configure_time == 0) {
 534                 /* no configure events yet */
 535                 return true;
 536         }
 537
 538         /* force a gap of 0.5 seconds since the last configure event
 539          */
 540
 541         if (get_microseconds() - last_configure_time < 500000) {
 542                 return true;
 543         } else {
 544                 have_configure_timeout = false;
 545                 save_ardour_state ();
 546                 return false;
 547         }
 548 }
 549
 550 gboolean
 551 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 552 {
 553         if (have_configure_timeout) {
 554                 last_configure_time = get_microseconds();
 555         } else {
 556                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 557                 have_configure_timeout = true;
 558         }
 559
 560         return FALSE;
 561 }
 562
 563 void
 564 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 565 {
 566         const XMLProperty* prop;
 567
 568         if ((prop = node.property ("roll")) != 0) {
 569                 roll_controllable->set_id (prop->value());
 570         }
 571         if ((prop = node.property ("stop")) != 0) {
 572                 stop_controllable->set_id (prop->value());
 573         }
 574         if ((prop = node.property ("goto-start")) != 0) {
 575                 goto_start_controllable->set_id (prop->value());
 576         }
 577         if ((prop = node.property ("goto-end")) != 0) {
 578                 goto_end_controllable->set_id (prop->value());
 579         }
 580         if ((prop = node.property ("auto-loop")) != 0) {
 581                 auto_loop_controllable->set_id (prop->value());
 582         }
 583         if ((prop = node.property ("play-selection")) != 0) {
 584                 play_selection_controllable->set_id (prop->value());
 585         }
 586         if ((prop = node.property ("rec")) != 0) {
 587                 rec_controllable->set_id (prop->value());
 588         }
 589         if ((prop = node.property ("shuttle")) != 0) {
 590                 shuttle_box->controllable()->set_id (prop->value());
 591         }
 592 }
 593
 594 XMLNode&
 595 ARDOUR_UI::get_transport_controllable_state ()
 596 {
 597         XMLNode* node = new XMLNode(X_("TransportControllables"));
 598         char buf[64];
 599
 600         roll_controllable->id().print (buf, sizeof (buf));
 601         node->add_property (X_("roll"), buf);
 602         stop_controllable->id().print (buf, sizeof (buf));
 603         node->add_property (X_("stop"), buf);
 604         goto_start_controllable->id().print (buf, sizeof (buf));
 605         node->add_property (X_("goto_start"), buf);
 606         goto_end_controllable->id().print (buf, sizeof (buf));
 607         node->add_property (X_("goto_end"), buf);
 608         auto_loop_controllable->id().print (buf, sizeof (buf));
 609         node->add_property (X_("auto_loop"), buf);
 610         play_selection_controllable->id().print (buf, sizeof (buf));
 611         node->add_property (X_("play_selection"), buf);
 612         rec_controllable->id().print (buf, sizeof (buf));
 613         node->add_property (X_("rec"), buf);
 614         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 615         node->add_property (X_("shuttle"), buf);
 616
 617         return *node;
 618 }
 619
 620
 621 gint
 622 ARDOUR_UI::autosave_session ()
 623 {
 624         if (g_main_depth() > 1) {
 625                 /* inside a recursive main loop,
 626                    give up because we may not be able to
 627                    take a lock.
 628                 */
 629                 return 1;
 630         }
 631
 632         if (!Config->get_periodic_safety_backups()) {
 633                 return 1;
 634         }
 635
 636         if (_session) {
 637                 _session->maybe_write_autosave();
 638         }
 639
 640         return 1;
 641 }
 642
 643 void
 644 ARDOUR_UI::update_autosave ()
 645 {
 646         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 647
 648         if (_session && _session->dirty()) {
 649                 if (_autosave_connection.connected()) {
 650                         _autosave_connection.disconnect();
 651                 }
 652
 653                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 654                                 Config->get_periodic_safety_backup_interval() * 1000);
 655
 656         } else {
 657                 if (_autosave_connection.connected()) {
 658                         _autosave_connection.disconnect();
 659                 }
 660         }
 661 }
 662
 663 void
 664 ARDOUR_UI::check_announcements ()
 665 {
 666 #ifdef PHONE_HOME
 667         string _annc_filename;
 668
 669 #ifdef __APPLE__
 670         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 671 #else
 672         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 673 #endif
 674         _annc_filename.append (VERSIONSTRING);
 675
 676         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 677         std::ifstream announce_file (path.c_str());
 678         if ( announce_file.fail() )
 679                 _announce_string = "";
 680         else {
 681                 std::stringstream oss;
 682                 oss << announce_file.rdbuf();
 683                 _announce_string = oss.str();
 684         }
 685
 686         pingback (VERSIONSTRING, path);
 687 #endif
 688 }
 689
 690 void
 691 ARDOUR_UI::startup ()
 692 {
 693         Application* app = Application::instance ();
 694         char *nsm_url;
 695         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 696         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 697
 698         if (ARDOUR_COMMAND_LINE::check_announcements) {
 699                 check_announcements ();
 700         }
 701
 702         app->ready ();
 703
 704         nsm_url = getenv ("NSM_URL");
 705
 706         if (nsm_url) {
 707                 nsm = new NSM_Client;
 708                 if (!nsm->init (nsm_url)) {
 709                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 710
 711                         unsigned int i = 0;
 712                         // wait for announce reply from nsm server
 713                         for ( i = 0; i < 5000; ++i) {
 714                                 nsm->check ();
 715                                 usleep (i);
 716                                 if (nsm->is_active())
 717                                         break;
 718                         }
 719                         // wait for open command from nsm server
 720                         for ( i = 0; i < 5000; ++i) {
 721                                 nsm->check ();
 722                                 usleep (1000);
 723                                 if (nsm->client_id ())
 724                                         break;
 725                         }
 726
 727                         if (_session && nsm) {
 728                                 _session->set_nsm_state( nsm->is_active() );
 729                         }
 730
 731                         // nsm requires these actions disabled
 732                         vector<string> action_names;
 733                         action_names.push_back("SaveAs");
 734                         action_names.push_back("Rename");
 735                         action_names.push_back("New");
 736                         action_names.push_back("Open");
 737                         action_names.push_back("Recent");
 738                         action_names.push_back("Close");
 739
 740                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 741                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 742                                 if (act) {
 743                                         act->set_sensitive (false);
 744                                 }
 745                         }
 746
 747                 }
 748                 else {
 749                         delete nsm;
 750                         nsm = 0;
 751                 }
 752         }
 753
 754         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 755                 exit (1);
 756         }
 757
 758         use_config ();
 759
 760         goto_editor_window ();
 761
 762         WM::Manager::instance().show_visible ();
 763
 764         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 765          * editor window, and we may want stuff to be hidden.
 766          */
 767         _status_bar_visibility.update ();
 768
 769         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 770 }
 771
 772 void
 773 ARDOUR_UI::no_memory_warning ()
 774 {
 775         XMLNode node (X_("no-memory-warning"));
 776         Config->add_instant_xml (node);
 777 }
 778
 779 void
 780 ARDOUR_UI::check_memory_locking ()
 781 {
 782 #ifdef __APPLE__
 783         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 784         return;
 785 #else // !__APPLE__
 786
 787         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 788
 789         if (engine->is_realtime() && memory_warning_node == 0) {
 790
 791                 struct rlimit limits;
 792                 int64_t ram;
 793                 long pages, page_size;
 794 #ifdef __FreeBSD__
 795                 size_t pages_len=sizeof(pages);
 796                 if ((page_size = getpagesize()) < 0 ||
 797                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 798 #else
 799                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 800 #endif
 801                 {
 802                         ram = 0;
 803                 } else {
 804                         ram = (int64_t) pages * (int64_t) page_size;
 805                 }
 806
 807                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 808                         return;
 809                 }
 810
 811                 if (limits.rlim_cur != RLIM_INFINITY) {
 812
 813                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 814
 815                                 MessageDialog msg (
 816                                         string_compose (
 817                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 818                                                   "This might cause %1 to run out of memory before your system "
 819                                                   "runs out of memory. \n\n"
 820                                                   "You can view the memory limit with 'ulimit -l', "
 821                                                   "and it is normally controlled by %2"),
 822                                                 PROGRAM_NAME,
 823 #ifdef __FreeBSD__
 824                                                 X_("/etc/login.conf")
 825 #else
 826                                                 X_(" /etc/security/limits.conf")
 827 #endif
 828                                         ).c_str());
 829
 830                                 msg.set_default_response (RESPONSE_OK);
 831
 832                                 VBox* vbox = msg.get_vbox();
 833                                 HBox hbox;
 834                                 CheckButton cb (_("Do not show this window again"));
 835
 836                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 837
 838                                 hbox.pack_start (cb, true, false);
 839                                 vbox->pack_start (hbox);
 840                                 cb.show();
 841                                 vbox->show();
 842                                 hbox.show ();
 843
 844                                 pop_back_splash (msg);
 845
 846                                 editor->ensure_float (msg);
 847                                 msg.run ();
 848                         }
 849                 }
 850         }
 851 #endif // !__APPLE__
 852 }
 853
 854
 855 void
 856 ARDOUR_UI::queue_finish ()
 857 {
 858         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 859 }
 860
 861 bool
 862 ARDOUR_UI::idle_finish ()
 863 {
 864         finish ();
 865         return false; /* do not call again */
 866 }
 867
 868 void
 869 ARDOUR_UI::finish()
 870 {
 871         if (_session) {
 872                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 873
 874                 if (_session->dirty()) {
 875                         vector<string> actions;
 876                         actions.push_back (_("Don't quit"));
 877                         actions.push_back (_("Just quit"));
 878                         actions.push_back (_("Save and quit"));
 879                         switch (ask_about_saving_session(actions)) {
 880                         case -1:
 881                                 return;
 882                                 break;
 883                         case 1:
 884                                 /* use the default name */
 885                                 if (save_state_canfail ("")) {
 886                                         /* failed - don't quit */
 887                                         MessageDialog msg (*editor,
 888                                                            string_compose (_("\
 889 %1 was unable to save your session.\n\n\
 890 If you still wish to quit, please use the\n\n\
 891 \"Just quit\" option."), PROGRAM_NAME));
 892                                         pop_back_splash(msg);
 893                                         msg.run ();
 894                                         return;
 895                                 }
 896                                 break;
 897                         case 0:
 898                                 break;
 899                         }
 900                 }
 901
 902                 second_connection.disconnect ();
 903                 point_one_second_connection.disconnect ();
 904                 point_zero_something_second_connection.disconnect();
 905         }
 906
 907         delete ARDOUR_UI::instance()->video_timeline;
 908         ARDOUR_UI::instance()->video_timeline = NULL;
 909         stop_video_server();
 910
 911         /* Save state before deleting the session, as that causes some
 912            windows to be destroyed before their visible state can be
 913            saved.
 914         */
 915         save_ardour_state ();
 916
 917         close_all_dialogs ();
 918
 919         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 920
 921         if (_session) {
 922                 // _session->set_deletion_in_progress ();
 923                 _session->set_clean ();
 924                 _session->remove_pending_capture_state ();
 925                 delete _session;
 926                 _session = 0;
 927         }
 928
 929         engine->stop (true);
 930         quit ();
 931 }
 932
 933 int
 934 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 935 {
 936         ArdourDialog window (_("Unsaved Session"));
 937         Gtk::HBox dhbox;  // the hbox for the image and text
 938         Gtk::Label  prompt_label;
 939         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 940
 941         string msg;
 942
 943         assert (actions.size() >= 3);
 944
 945         window.add_button (actions[0], RESPONSE_REJECT);
 946         window.add_button (actions[1], RESPONSE_APPLY);
 947         window.add_button (actions[2], RESPONSE_ACCEPT);
 948
 949         window.set_default_response (RESPONSE_ACCEPT);
 950
 951         Gtk::Button noquit_button (msg);
 952         noquit_button.set_name ("EditorGTKButton");
 953
 954         string prompt;
 955
 956         if (_session->snap_name() == _session->name()) {
 957                 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?"),
 958                                         _session->snap_name());
 959         } else {
 960                 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?"),
 961                                         _session->snap_name());
 962         }
 963
 964         prompt_label.set_text (prompt);
 965         prompt_label.set_name (X_("PrompterLabel"));
 966         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 967
 968         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 969         dhbox.set_homogeneous (false);
 970         dhbox.pack_start (*dimage, false, false, 5);
 971         dhbox.pack_start (prompt_label, true, false, 5);
 972         window.get_vbox()->pack_start (dhbox);
 973
 974         window.set_name (_("Prompter"));
 975         window.set_modal (true);
 976         window.set_resizable (false);
 977
 978         dhbox.show();
 979         prompt_label.show();
 980         dimage->show();
 981         window.show();
 982         window.set_keep_above (true);
 983         window.present ();
 984
 985         ResponseType r = (ResponseType) window.run();
 986
 987         window.hide ();
 988
 989         switch (r) {
 990         case RESPONSE_ACCEPT: // save and get out of here
 991                 return 1;
 992         case RESPONSE_APPLY:  // get out of here
 993                 return 0;
 994         default:
 995                 break;
 996         }
 997
 998         return -1;
 999 }
1000
1001
1002 gint
1003 ARDOUR_UI::every_second ()
1004 {
1005         update_cpu_load ();
1006         update_buffer_load ();
1007         update_disk_space ();
1008         update_timecode_format ();
1009
1010         if (nsm && nsm->is_active ()) {
1011                 nsm->check ();
1012
1013                 if (!_was_dirty && _session->dirty ()) {
1014                         nsm->is_dirty ();
1015                         _was_dirty = true;
1016                 }
1017                 else if (_was_dirty && !_session->dirty ()){
1018                         nsm->is_clean ();
1019                         _was_dirty = false;
1020                 }
1021         }
1022         return TRUE;
1023 }
1024
1025 gint
1026 ARDOUR_UI::every_point_one_seconds ()
1027 {
1028         shuttle_box->update_speed_display ();
1029         RapidScreenUpdate(); /* EMIT_SIGNAL */
1030         return TRUE;
1031 }
1032
1033 gint
1034 ARDOUR_UI::every_point_zero_something_seconds ()
1035 {
1036         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1037
1038         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1039         return TRUE;
1040 }
1041
1042 void
1043 ARDOUR_UI::update_sample_rate (framecnt_t)
1044 {
1045         char buf[64];
1046
1047         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1048
1049         if (!engine->connected()) {
1050
1051                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1052
1053         } else {
1054
1055                 framecnt_t rate = engine->frame_rate();
1056
1057                 if (fmod (rate, 1000.0) != 0.0) {
1058                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1059                                   (float) rate/1000.0f,
1060                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1061                 } else {
1062                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1063                                   rate/1000,
1064                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1065                 }
1066         }
1067
1068         sample_rate_label.set_markup (buf);
1069 }
1070
1071 void
1072 ARDOUR_UI::update_format ()
1073 {
1074         if (!_session) {
1075                 format_label.set_text ("");
1076                 return;
1077         }
1078
1079         stringstream s;
1080         s << _("File:") << X_(" <span foreground=\"green\">");
1081
1082         switch (_session->config.get_native_file_header_format ()) {
1083         case BWF:
1084                 s << _("BWF");
1085                 break;
1086         case WAVE:
1087                 s << _("WAV");
1088                 break;
1089         case WAVE64:
1090                 s << _("WAV64");
1091                 break;
1092         case CAF:
1093                 s << _("CAF");
1094                 break;
1095         case AIFF:
1096                 s << _("AIFF");
1097                 break;
1098         case iXML:
1099                 s << _("iXML");
1100                 break;
1101         case RF64:
1102                 s << _("RF64");
1103                 break;
1104         }
1105
1106         s << " ";
1107
1108         switch (_session->config.get_native_file_data_format ()) {
1109         case FormatFloat:
1110                 s << _("32-float");
1111                 break;
1112         case FormatInt24:
1113                 s << _("24-int");
1114                 break;
1115         case FormatInt16:
1116                 s << _("16-int");
1117                 break;
1118         }
1119
1120         s << X_("</span>");
1121
1122         format_label.set_markup (s.str ());
1123 }
1124
1125 void
1126 ARDOUR_UI::update_cpu_load ()
1127 {
1128         char buf[64];
1129
1130         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1131            should also be changed.
1132         */
1133
1134         float const c = engine->get_cpu_load ();
1135         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1136         cpu_load_label.set_markup (buf);
1137 }
1138
1139 void
1140 ARDOUR_UI::update_buffer_load ()
1141 {
1142         char buf[256];
1143
1144         uint32_t const playback = _session ? _session->playback_load () : 100;
1145         uint32_t const capture = _session ? _session->capture_load () : 100;
1146
1147         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1148            should also be changed.
1149         */
1150
1151         if (_session) {
1152                 snprintf (
1153                         buf, sizeof (buf),
1154                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1155                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1156                         playback <= 5 ? X_("red") : X_("green"),
1157                         playback,
1158                         capture <= 5 ? X_("red") : X_("green"),
1159                         capture
1160                         );
1161
1162                 buffer_load_label.set_markup (buf);
1163         } else {
1164                 buffer_load_label.set_text ("");
1165         }
1166 }
1167
1168 void
1169 ARDOUR_UI::count_recenabled_streams (Route& route)
1170 {
1171         Track* track = dynamic_cast<Track*>(&route);
1172         if (track && track->record_enabled()) {
1173                 rec_enabled_streams += track->n_inputs().n_total();
1174         }
1175 }
1176
1177 void
1178 ARDOUR_UI::update_disk_space()
1179 {
1180         if (_session == 0) {
1181                 return;
1182         }
1183
1184         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1185         char buf[64];
1186         framecnt_t fr = _session->frame_rate();
1187
1188         if (!opt_frames) {
1189                 /* Available space is unknown */
1190                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1191         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1192                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1193         } else {
1194                 rec_enabled_streams = 0;
1195                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1196
1197                 framecnt_t frames = opt_frames.get_value_or (0);
1198
1199                 if (rec_enabled_streams) {
1200                         frames /= rec_enabled_streams;
1201                 }
1202
1203                 int hrs;
1204                 int mins;
1205                 int secs;
1206
1207                 hrs  = frames / (fr * 3600);
1208
1209                 if (hrs > 24) {
1210                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1211                 } else {
1212                         frames -= hrs * fr * 3600;
1213                         mins = frames / (fr * 60);
1214                         frames -= mins * fr * 60;
1215                         secs = frames / fr;
1216
1217                         bool const low = (hrs == 0 && mins <= 30);
1218
1219                         snprintf (
1220                                 buf, sizeof(buf),
1221                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1222                                 low ? X_("red") : X_("green"),
1223                                 hrs, mins, secs
1224                                 );
1225                 }
1226         }
1227
1228         disk_space_label.set_markup (buf);
1229 }
1230
1231 void
1232 ARDOUR_UI::update_timecode_format ()
1233 {
1234         char buf[64];
1235
1236         if (_session) {
1237                 bool matching;
1238                 TimecodeSlave* tcslave;
1239                 SyncSource sync_src = Config->get_sync_source();
1240
1241                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1242                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1243                 } else {
1244                         matching = true;
1245                 }
1246
1247                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1248                           matching ? X_("green") : X_("red"),
1249                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1250         } else {
1251                 snprintf (buf, sizeof (buf), "TC: n/a");
1252         }
1253
1254         timecode_format_label.set_markup (buf);
1255 }
1256
1257 gint
1258 ARDOUR_UI::update_wall_clock ()
1259 {
1260         time_t now;
1261         struct tm *tm_now;
1262         static int last_min = -1;
1263
1264         time (&now);
1265         tm_now = localtime (&now);
1266         if (last_min != tm_now->tm_min) {
1267                 char buf[16];
1268                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1269                 wall_clock_label.set_text (buf);
1270                 last_min = tm_now->tm_min;
1271         }
1272
1273         return TRUE;
1274 }
1275
1276 void
1277 ARDOUR_UI::redisplay_recent_sessions ()
1278 {
1279         std::vector<std::string> session_directories;
1280         RecentSessionsSorter cmp;
1281
1282         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1283         recent_session_model->clear ();
1284
1285         ARDOUR::RecentSessions rs;
1286         ARDOUR::read_recent_sessions (rs);
1287
1288         if (rs.empty()) {
1289                 recent_session_display.set_model (recent_session_model);
1290                 return;
1291         }
1292
1293         // sort them alphabetically
1294         sort (rs.begin(), rs.end(), cmp);
1295
1296         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1297                 session_directories.push_back ((*i).second);
1298         }
1299
1300         for (vector<std::string>::const_iterator i = session_directories.begin();
1301                         i != session_directories.end(); ++i)
1302         {
1303                 std::vector<std::string> state_file_paths;
1304
1305                 // now get available states for this session
1306
1307                 get_state_files_in_directory (*i, state_file_paths);
1308
1309                 vector<string*>* states;
1310                 vector<const gchar*> item;
1311                 string fullpath = *i;
1312
1313                 /* remove any trailing / */
1314
1315                 if (fullpath[fullpath.length() - 1] == '/') {
1316                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1317                 }
1318
1319                 /* check whether session still exists */
1320                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1321                         /* session doesn't exist */
1322                         continue;
1323                 }
1324
1325                 /* now get available states for this session */
1326
1327                 if ((states = Session::possible_states (fullpath)) == 0) {
1328                         /* no state file? */
1329                         continue;
1330                 }
1331
1332                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1333
1334                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1335
1336                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1337                 row[recent_session_columns.fullpath] = fullpath;
1338                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1339
1340                 if (state_file_names.size() > 1) {
1341
1342                         // add the children
1343
1344                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1345                                         i2 != state_file_names.end(); ++i2)
1346                         {
1347
1348                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1349
1350                                 child_row[recent_session_columns.visible_name] = *i2;
1351                                 child_row[recent_session_columns.fullpath] = fullpath;
1352                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1353                         }
1354                 }
1355         }
1356
1357         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1358         recent_session_display.set_model (recent_session_model);
1359 }
1360
1361 void
1362 ARDOUR_UI::build_session_selector ()
1363 {
1364         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1365
1366         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1367
1368         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1369         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1370         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1371         recent_session_model = TreeStore::create (recent_session_columns);
1372         recent_session_display.set_model (recent_session_model);
1373         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1374         recent_session_display.set_headers_visible (false);
1375         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1376         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1377
1378         scroller->add (recent_session_display);
1379         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1380
1381         session_selector_window->set_name ("SessionSelectorWindow");
1382         session_selector_window->set_size_request (200, 400);
1383         session_selector_window->get_vbox()->pack_start (*scroller);
1384
1385         recent_session_display.show();
1386         scroller->show();
1387 }
1388
1389 void
1390 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1391 {
1392         session_selector_window->response (RESPONSE_ACCEPT);
1393 }
1394
1395 void
1396 ARDOUR_UI::open_recent_session ()
1397 {
1398         bool can_return = (_session != 0);
1399
1400         if (session_selector_window == 0) {
1401                 build_session_selector ();
1402         }
1403
1404         redisplay_recent_sessions ();
1405
1406         while (true) {
1407
1408                 ResponseType r = (ResponseType) session_selector_window->run ();
1409
1410                 switch (r) {
1411                 case RESPONSE_ACCEPT:
1412                         break;
1413                 default:
1414                         if (can_return) {
1415                                 session_selector_window->hide();
1416                                 return;
1417                         } else {
1418                                 exit (1);
1419                         }
1420                 }
1421
1422                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1423                         continue;
1424                 }
1425
1426                 session_selector_window->hide();
1427
1428                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1429
1430                 if (i == recent_session_model->children().end()) {
1431                         return;
1432                 }
1433
1434                 std::string path = (*i)[recent_session_columns.fullpath];
1435                 std::string state = (*i)[recent_session_columns.visible_name];
1436
1437                 _session_is_new = false;
1438
1439                 if (load_session (path, state) == 0) {
1440                         break;
1441                 }
1442
1443                 can_return = false;
1444         }
1445 }
1446
1447 bool
1448 ARDOUR_UI::check_audioengine ()
1449 {
1450         if (engine) {
1451                 if (!engine->connected()) {
1452                         MessageDialog msg (string_compose (
1453                                                    _("%1 is not connected to JACK\n"
1454                                                      "You cannot open or close sessions in this condition"),
1455                                                    PROGRAM_NAME));
1456                         pop_back_splash (msg);
1457                         msg.run ();
1458                         return false;
1459                 }
1460                 return true;
1461         } else {
1462                 return false;
1463         }
1464 }
1465
1466 void
1467 ARDOUR_UI::open_session ()
1468 {
1469         if (!check_audioengine()) {
1470                 return;
1471
1472         }
1473
1474         /* popup selector window */
1475
1476         if (open_session_selector == 0) {
1477
1478                 /* ardour sessions are folders */
1479
1480                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1481                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1482                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1483                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1484
1485                 if (_session) {
1486                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1487                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1488                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1489                         open_session_selector->set_current_folder(session_parent_dir);
1490                 } else {
1491                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1492                 }
1493
1494                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1495
1496                 FileFilter session_filter;
1497                 session_filter.add_pattern ("*.ardour");
1498                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1499                 open_session_selector->add_filter (session_filter);
1500                 open_session_selector->set_filter (session_filter);
1501         }
1502
1503         int response = open_session_selector->run();
1504         open_session_selector->hide ();
1505
1506         switch (response) {
1507         case RESPONSE_ACCEPT:
1508                 break;
1509         default:
1510                 open_session_selector->hide();
1511                 return;
1512         }
1513
1514         open_session_selector->hide();
1515         string session_path = open_session_selector->get_filename();
1516         string path, name;
1517         bool isnew;
1518
1519         if (session_path.length() > 0) {
1520                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1521                         _session_is_new = isnew;
1522                         load_session (path, name);
1523                 }
1524         }
1525 }
1526
1527
1528 void
1529 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1530                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1531 {
1532         list<boost::shared_ptr<MidiTrack> > tracks;
1533
1534         if (_session == 0) {
1535                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1536                 return;
1537         }
1538
1539         try {
1540                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1541
1542                 if (tracks.size() != how_many) {
1543                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1544                 }
1545         }
1546
1547         catch (...) {
1548                 MessageDialog msg (*editor,
1549                                    string_compose (_("There are insufficient JACK ports available\n\
1550 to create a new track or bus.\n\
1551 You should save %1, exit and\n\
1552 restart JACK with more ports."), PROGRAM_NAME));
1553                 msg.run ();
1554         }
1555 }
1556
1557
1558 void
1559 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1560 {
1561         ChanCount one_midi_channel;
1562         one_midi_channel.set (DataType::MIDI, 1);
1563
1564         if (disk) {
1565                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1566         }
1567 }
1568
1569 void
1570 ARDOUR_UI::session_add_audio_route (
1571         bool track,
1572         int32_t input_channels,
1573         int32_t output_channels,
1574         ARDOUR::TrackMode mode,
1575         RouteGroup* route_group,
1576         uint32_t how_many,
1577         string const & name_template
1578         )
1579 {
1580         list<boost::shared_ptr<AudioTrack> > tracks;
1581         RouteList routes;
1582
1583         if (_session == 0) {
1584                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1585                 return;
1586         }
1587
1588         try {
1589                 if (track) {
1590                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1591
1592                         if (tracks.size() != how_many) {
1593                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1594                                       << endmsg;
1595                         }
1596
1597                 } else {
1598
1599                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1600
1601                         if (routes.size() != how_many) {
1602                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1603                                       << endmsg;
1604                         }
1605                 }
1606         }
1607
1608         catch (...) {
1609                 MessageDialog msg (*editor,
1610                                    string_compose (_("There are insufficient JACK ports available\n\
1611 to create a new track or bus.\n\
1612 You should save %1, exit and\n\
1613 restart JACK with more ports."), PROGRAM_NAME));
1614                 pop_back_splash (msg);
1615                 msg.run ();
1616         }
1617 }
1618
1619 void
1620 ARDOUR_UI::transport_goto_start ()
1621 {
1622         if (_session) {
1623                 _session->goto_start();
1624
1625                 /* force displayed area in editor to start no matter
1626                    what "follow playhead" setting is.
1627                 */
1628
1629                 if (editor) {
1630                         editor->center_screen (_session->current_start_frame ());
1631                 }
1632         }
1633 }
1634
1635 void
1636 ARDOUR_UI::transport_goto_zero ()
1637 {
1638         if (_session) {
1639                 _session->request_locate (0);
1640
1641                 /* force displayed area in editor to start no matter
1642                    what "follow playhead" setting is.
1643                 */
1644
1645                 if (editor) {
1646                         editor->reset_x_origin (0);
1647                 }
1648         }
1649 }
1650
1651 void
1652 ARDOUR_UI::transport_goto_wallclock ()
1653 {
1654         if (_session && editor) {
1655
1656                 time_t now;
1657                 struct tm tmnow;
1658                 framepos_t frames;
1659
1660                 time (&now);
1661                 localtime_r (&now, &tmnow);
1662
1663                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1664                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1665                 frames += tmnow.tm_sec * _session->frame_rate();
1666
1667                 _session->request_locate (frames, _session->transport_rolling ());
1668
1669                 /* force displayed area in editor to start no matter
1670                    what "follow playhead" setting is.
1671                 */
1672
1673                 if (editor) {
1674                         editor->center_screen (frames);
1675                 }
1676         }
1677 }
1678
1679 void
1680 ARDOUR_UI::transport_goto_end ()
1681 {
1682         if (_session) {
1683                 framepos_t const frame = _session->current_end_frame();
1684                 _session->request_locate (frame);
1685
1686                 /* force displayed area in editor to start no matter
1687                    what "follow playhead" setting is.
1688                 */
1689
1690                 if (editor) {
1691                         editor->center_screen (frame);
1692                 }
1693         }
1694 }
1695
1696 void
1697 ARDOUR_UI::transport_stop ()
1698 {
1699         if (!_session) {
1700                 return;
1701         }
1702
1703         if (_session->is_auditioning()) {
1704                 _session->cancel_audition ();
1705                 return;
1706         }
1707
1708         _session->request_stop (false, true);
1709 }
1710
1711 void
1712 ARDOUR_UI::transport_record (bool roll)
1713 {
1714
1715         if (_session) {
1716                 switch (_session->record_status()) {
1717                 case Session::Disabled:
1718                         if (_session->ntracks() == 0) {
1719                                 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."));
1720                                 msg.run ();
1721                                 return;
1722                         }
1723                         _session->maybe_enable_record ();
1724                         if (roll) {
1725                                 transport_roll ();
1726                         }
1727                         break;
1728                 case Session::Recording:
1729                         if (roll) {
1730                                 _session->request_stop();
1731                         } else {
1732                                 _session->disable_record (false, true);
1733                         }
1734                         break;
1735
1736                 case Session::Enabled:
1737                         _session->disable_record (false, true);
1738                 }
1739         }
1740 }
1741
1742 void
1743 ARDOUR_UI::transport_roll ()
1744 {
1745         if (!_session) {
1746                 return;
1747         }
1748
1749         if (_session->is_auditioning()) {
1750                 return;
1751         }
1752
1753 #if 0
1754         if (_session->config.get_external_sync()) {
1755                 switch (Config->get_sync_source()) {
1756                 case JACK:
1757                         break;
1758                 default:
1759                         /* transport controlled by the master */
1760                         return;
1761                 }
1762         }
1763 #endif
1764
1765         bool rolling = _session->transport_rolling();
1766
1767         if (_session->get_play_loop()) {
1768                 /* XXX it is not possible to just leave seamless loop and keep
1769                    playing at present (nov 4th 2009)
1770                 */
1771                 if (!Config->get_seamless_loop()) {
1772                         _session->request_play_loop (false, true);
1773                 }
1774         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1775                 /* stop playing a range if we currently are */
1776                 _session->request_play_range (0, true);
1777         }
1778
1779         if (!rolling) {
1780                 _session->request_transport_speed (1.0f);
1781         }
1782 }
1783
1784 bool
1785 ARDOUR_UI::get_smart_mode() const
1786 {
1787         return ( editor->get_smart_mode() );
1788 }
1789
1790
1791 void
1792 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1793 {
1794
1795         if (!_session) {
1796                 return;
1797         }
1798
1799         if (_session->is_auditioning()) {
1800                 _session->cancel_audition ();
1801                 return;
1802         }
1803
1804         if (_session->config.get_external_sync()) {
1805                 switch (Config->get_sync_source()) {
1806                 case JACK:
1807                         break;
1808                 default:
1809                         /* transport controlled by the master */
1810                         return;
1811                 }
1812         }
1813
1814         bool rolling = _session->transport_rolling();
1815         bool affect_transport = true;
1816
1817         if (rolling && roll_out_of_bounded_mode) {
1818                 /* drop out of loop/range playback but leave transport rolling */
1819                 if (_session->get_play_loop()) {
1820                         if (Config->get_seamless_loop()) {
1821                                 /* the disk buffers contain copies of the loop - we can't
1822                                    just keep playing, so stop the transport. the user
1823                                    can restart as they wish.
1824                                 */
1825                                 affect_transport = true;
1826                         } else {
1827                                 /* disk buffers are normal, so we can keep playing */
1828                                 affect_transport = false;
1829                         }
1830                         _session->request_play_loop (false, true);
1831                 } else if (_session->get_play_range ()) {
1832                         affect_transport = false;
1833                         _session->request_play_range (0, true);
1834                 }
1835         }
1836
1837         if (affect_transport) {
1838                 if (rolling) {
1839                         _session->request_stop (with_abort, true);
1840                 } else {
1841                         if ( Config->get_always_play_range() ) {
1842                                 _session->request_play_range (&editor->get_selection().time, true);
1843                         }
1844
1845                         _session->request_transport_speed (1.0f);
1846                 }
1847         }
1848 }
1849
1850 void
1851 ARDOUR_UI::toggle_session_auto_loop ()
1852 {
1853         Location * looploc = _session->locations()->auto_loop_location();
1854
1855         if (!_session || !looploc) {
1856                 return;
1857         }
1858
1859         if (_session->get_play_loop()) {
1860
1861                 if (_session->transport_rolling()) {
1862
1863                         _session->request_locate (looploc->start(), true);
1864                         _session->request_play_loop (false);
1865
1866                 } else {
1867                         _session->request_play_loop (false);
1868                 }
1869         } else {
1870                 _session->request_play_loop (true);
1871         }
1872
1873         //show the loop markers
1874         looploc->set_hidden (false, this);
1875 }
1876
1877 void
1878 ARDOUR_UI::transport_play_selection ()
1879 {
1880         if (!_session) {
1881                 return;
1882         }
1883
1884         editor->play_selection ();
1885 }
1886
1887 void
1888 ARDOUR_UI::transport_play_preroll ()
1889 {
1890         if (!_session) {
1891                 return;
1892         }
1893         editor->play_with_preroll ();
1894 }
1895
1896 void
1897 ARDOUR_UI::transport_rewind (int option)
1898 {
1899         float current_transport_speed;
1900
1901         if (_session) {
1902                 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
1923 void
1924 ARDOUR_UI::transport_forward (int option)
1925 {
1926         if (!_session) {
1927                 return;
1928         }
1929
1930         float current_transport_speed = _session->transport_speed();
1931
1932         if (current_transport_speed <= 0.0f) {
1933                 switch (option) {
1934                 case 0:
1935                         _session->request_transport_speed (1.0f);
1936                         break;
1937                 case 1:
1938                         _session->request_transport_speed (4.0f);
1939                         break;
1940                 case -1:
1941                         _session->request_transport_speed (0.5f);
1942                         break;
1943                 }
1944         } else {
1945                 /* speed up */
1946                 _session->request_transport_speed (current_transport_speed * 1.5f);
1947         }
1948 }
1949
1950 void
1951 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1952 {
1953         if (!_session) {
1954                 return;
1955         }
1956
1957         boost::shared_ptr<Route> r;
1958
1959         if ((r = _session->route_by_remote_id (rid)) != 0) {
1960
1961                 Track* t;
1962
1963                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1964                         t->set_record_enabled (!t->record_enabled(), this);
1965                 }
1966         }
1967 }
1968
1969 void
1970 ARDOUR_UI::map_transport_state ()
1971 {
1972         if (!_session) {
1973                 auto_loop_button.unset_active_state ();
1974                 play_selection_button.unset_active_state ();
1975                 roll_button.unset_active_state ();
1976                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1977                 return;
1978         }
1979
1980         shuttle_box->map_transport_state ();
1981
1982         float sp = _session->transport_speed();
1983
1984         if (sp != 0.0f) {
1985
1986                 /* we're rolling */
1987
1988                 if (_session->get_play_range()) {
1989
1990                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1991                         roll_button.unset_active_state ();
1992                         auto_loop_button.unset_active_state ();
1993
1994                 } else if (_session->get_play_loop ()) {
1995
1996                         auto_loop_button.set_active (true);
1997                         play_selection_button.set_active (false);
1998                         roll_button.set_active (false);
1999
2000                 } else {
2001
2002                         roll_button.set_active (true);
2003                         play_selection_button.set_active (false);
2004                         auto_loop_button.set_active (false);
2005                 }
2006
2007                 if (Config->get_always_play_range()) {
2008                         /* light up both roll and play-selection if they are joined */
2009                         roll_button.set_active (true);
2010                         play_selection_button.set_active (true);
2011                 }
2012
2013                 stop_button.set_active (false);
2014
2015         } else {
2016
2017                 stop_button.set_active (true);
2018                 roll_button.set_active (false);
2019                 play_selection_button.set_active (false);
2020                 auto_loop_button.set_active (false);
2021                 update_disk_space ();
2022         }
2023 }
2024
2025 void
2026 ARDOUR_UI::engine_stopped ()
2027 {
2028         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
2029         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2030         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2031 }
2032
2033 void
2034 ARDOUR_UI::engine_running ()
2035 {
2036         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2037         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2038         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2039
2040         Glib::RefPtr<Action> action;
2041         const char* action_name = 0;
2042
2043         switch (engine->frames_per_cycle()) {
2044         case 32:
2045                 action_name = X_("JACKLatency32");
2046                 break;
2047         case 64:
2048                 action_name = X_("JACKLatency64");
2049                 break;
2050         case 128:
2051                 action_name = X_("JACKLatency128");
2052                 break;
2053         case 512:
2054                 action_name = X_("JACKLatency512");
2055                 break;
2056         case 1024:
2057                 action_name = X_("JACKLatency1024");
2058                 break;
2059         case 2048:
2060                 action_name = X_("JACKLatency2048");
2061                 break;
2062         case 4096:
2063                 action_name = X_("JACKLatency4096");
2064                 break;
2065         case 8192:
2066                 action_name = X_("JACKLatency8192");
2067                 break;
2068         default:
2069                 /* XXX can we do anything useful ? */
2070                 break;
2071         }
2072
2073         if (action_name) {
2074
2075                 action = ActionManager::get_action (X_("JACK"), action_name);
2076
2077                 if (action) {
2078                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2079                         ract->set_active ();
2080                 }
2081         }
2082 }
2083
2084 void
2085 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2086 {
2087         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2088                 /* we can't rely on the original string continuing to exist when we are called
2089                    again in the GUI thread, so make a copy and note that we need to
2090                    free it later.
2091                 */
2092                 char *copy = strdup (reason);
2093                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2094                 return;
2095         }
2096
2097         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2098         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2099
2100         update_sample_rate (0);
2101
2102         string msgstr;
2103
2104         /* if the reason is a non-empty string, it means that the backend was shutdown
2105            rather than just Ardour.
2106         */
2107
2108         if (strlen (reason)) {
2109                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2110         } else {
2111                 msgstr = string_compose (_("\
2112 JACK has either been shutdown or it\n\
2113 disconnected %1 because %1\n\
2114 was not fast enough. Try to restart\n\
2115 JACK, reconnect and save the session."), PROGRAM_NAME);
2116         }
2117
2118         MessageDialog msg (*editor, msgstr);
2119         pop_back_splash (msg);
2120         msg.set_keep_above (true);
2121         msg.run ();
2122
2123         if (free_reason) {
2124                 free (const_cast<char*> (reason));
2125         }
2126 }
2127
2128 int32_t
2129 ARDOUR_UI::do_engine_start ()
2130 {
2131         try {
2132                 engine->start();
2133         }
2134
2135         catch (...) {
2136                 engine->stop ();
2137                 error << _("Unable to start the session running")
2138                       << endmsg;
2139                 unload_session ();
2140                 return -2;
2141         }
2142
2143         return 0;
2144 }
2145
2146 void
2147 ARDOUR_UI::update_clocks ()
2148 {
2149         if (!editor || !editor->dragging_playhead()) {
2150                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2151         }
2152 }
2153
2154 void
2155 ARDOUR_UI::start_clocking ()
2156 {
2157         if (Config->get_super_rapid_clock_update()) {
2158                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2159         } else {
2160                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2161         }
2162 }
2163
2164 void
2165 ARDOUR_UI::stop_clocking ()
2166 {
2167         clock_signal_connection.disconnect ();
2168 }
2169
2170 gint
2171 ARDOUR_UI::_blink (void *arg)
2172 {
2173         ((ARDOUR_UI *) arg)->blink ();
2174         return TRUE;
2175 }
2176
2177 void
2178 ARDOUR_UI::blink ()
2179 {
2180         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2181 }
2182
2183 void
2184 ARDOUR_UI::start_blinking ()
2185 {
2186         /* Start the blink signal. Everybody with a blinking widget
2187            uses Blink to drive the widget's state.
2188         */
2189
2190         if (blink_timeout_tag < 0) {
2191                 blink_on = false;
2192                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2193         }
2194 }
2195
2196 void
2197 ARDOUR_UI::stop_blinking ()
2198 {
2199         if (blink_timeout_tag >= 0) {
2200                 g_source_remove (blink_timeout_tag);
2201                 blink_timeout_tag = -1;
2202         }
2203 }
2204
2205
2206 /** Ask the user for the name of a new snapshot and then take it.
2207  */
2208
2209 void
2210 ARDOUR_UI::snapshot_session (bool switch_to_it)
2211 {
2212         ArdourPrompter prompter (true);
2213         string snapname;
2214
2215         prompter.set_name ("Prompter");
2216         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2217         prompter.set_title (_("Take Snapshot"));
2218         prompter.set_prompt (_("Name of new snapshot"));
2219
2220         if (!switch_to_it) {
2221                 char timebuf[128];
2222                 time_t n;
2223                 struct tm local_time;
2224
2225                 time (&n);
2226                 localtime_r (&n, &local_time);
2227                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2228                 prompter.set_initial_text (timebuf);
2229         }
2230
2231   again:
2232         switch (prompter.run()) {
2233         case RESPONSE_ACCEPT:
2234         {
2235                 prompter.get_result (snapname);
2236
2237                 bool do_save = (snapname.length() != 0);
2238
2239                 if (do_save) {
2240                         char illegal = Session::session_name_is_legal(snapname);
2241                         if (illegal) {
2242                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2243                                                      "snapshot names may not contain a '%1' character"), illegal));
2244                                 msg.run ();
2245                                 goto again;
2246                         }
2247                 }
2248
2249                 vector<std::string> p;
2250                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2251                 vector<string> n = get_file_names_no_extension (p);
2252                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2253
2254                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2255                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2256                         confirm.get_vbox()->pack_start (m, true, true);
2257                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2258                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2259                         confirm.show_all ();
2260                         switch (confirm.run()) {
2261                         case RESPONSE_CANCEL:
2262                                 do_save = false;
2263                         }
2264                 }
2265
2266                 if (do_save) {
2267                         save_state (snapname, switch_to_it);
2268                 }
2269                 break;
2270         }
2271
2272         default:
2273                 break;
2274         }
2275 }
2276
2277 /** Ask the user for a new session name and then rename the session to it.
2278  */
2279
2280 void
2281 ARDOUR_UI::rename_session ()
2282 {
2283         if (!_session) {
2284                 return;
2285         }
2286
2287         ArdourPrompter prompter (true);
2288         string name;
2289
2290         prompter.set_name ("Prompter");
2291         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2292         prompter.set_title (_("Rename Session"));
2293         prompter.set_prompt (_("New session name"));
2294
2295   again:
2296         switch (prompter.run()) {
2297         case RESPONSE_ACCEPT:
2298         {
2299                 prompter.get_result (name);
2300
2301                 bool do_rename = (name.length() != 0);
2302
2303                 if (do_rename) {
2304                         char illegal = Session::session_name_is_legal (name);
2305
2306                         if (illegal) {
2307                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2308                                                                      "session names may not contain a '%1' character"), illegal));
2309                                 msg.run ();
2310                                 goto again;
2311                         }
2312
2313                         switch (_session->rename (name)) {
2314                         case -1: {
2315                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2316                                 msg.set_position (WIN_POS_MOUSE);
2317                                 msg.run ();
2318                                 goto again;
2319                                 break;
2320                         }
2321                         case 0:
2322                                 break;
2323                         default: {
2324                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2325                                 msg.set_position (WIN_POS_MOUSE);
2326                                 msg.run ();
2327                                 break;
2328                         }
2329                         }
2330                 }
2331
2332                 break;
2333         }
2334
2335         default:
2336                 break;
2337         }
2338 }
2339
2340 void
2341 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2342 {
2343         XMLNode* node = new XMLNode (X_("UI"));
2344
2345         WM::Manager::instance().add_state (*node);
2346
2347         node->add_child_nocopy (gui_object_state->get_state());
2348
2349         _session->add_extra_xml (*node);
2350
2351         save_state_canfail (name, switch_to_it);
2352 }
2353
2354 int
2355 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2356 {
2357         if (_session) {
2358                 int ret;
2359
2360                 if (name.length() == 0) {
2361                         name = _session->snap_name();
2362                 }
2363
2364                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2365                         return ret;
2366                 }
2367         }
2368
2369         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2370         return 0;
2371 }
2372
2373 void
2374 ARDOUR_UI::primary_clock_value_changed ()
2375 {
2376         if (_session) {
2377                 _session->request_locate (primary_clock->current_time ());
2378         }
2379 }
2380
2381 void
2382 ARDOUR_UI::big_clock_value_changed ()
2383 {
2384         if (_session) {
2385                 _session->request_locate (big_clock->current_time ());
2386         }
2387 }
2388
2389 void
2390 ARDOUR_UI::secondary_clock_value_changed ()
2391 {
2392         if (_session) {
2393                 _session->request_locate (secondary_clock->current_time ());
2394         }
2395 }
2396
2397 void
2398 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2399 {
2400         if (_session == 0) {
2401                 return;
2402         }
2403
2404         if (_session->step_editing()) {
2405                 return;
2406         }
2407
2408         Session::RecordState const r = _session->record_status ();
2409         bool const h = _session->have_rec_enabled_track ();
2410
2411         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2412                 if (onoff) {
2413                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2414                 } else {
2415                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2416                 }
2417         } else if (r == Session::Recording && h) {
2418                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2419         } else {
2420                 rec_button.unset_active_state ();
2421         }
2422 }
2423
2424 void
2425 ARDOUR_UI::save_template ()
2426 {
2427         ArdourPrompter prompter (true);
2428         string name;
2429
2430         if (!check_audioengine()) {
2431                 return;
2432         }
2433
2434         prompter.set_name (X_("Prompter"));
2435         prompter.set_title (_("Save Template"));
2436         prompter.set_prompt (_("Name for template:"));
2437         prompter.set_initial_text(_session->name() + _("-template"));
2438         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2439
2440         switch (prompter.run()) {
2441         case RESPONSE_ACCEPT:
2442                 prompter.get_result (name);
2443
2444                 if (name.length()) {
2445                         _session->save_template (name);
2446                 }
2447                 break;
2448
2449         default:
2450                 break;
2451         }
2452 }
2453
2454 void
2455 ARDOUR_UI::edit_metadata ()
2456 {
2457         SessionMetadataEditor dialog;
2458         dialog.set_session (_session);
2459         editor->ensure_float (dialog);
2460         dialog.run ();
2461 }
2462
2463 void
2464 ARDOUR_UI::import_metadata ()
2465 {
2466         SessionMetadataImporter dialog;
2467         dialog.set_session (_session);
2468         editor->ensure_float (dialog);
2469         dialog.run ();
2470 }
2471
2472 bool
2473 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2474 {
2475         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2476
2477         MessageDialog msg (str,
2478                            false,
2479                            Gtk::MESSAGE_WARNING,
2480                            Gtk::BUTTONS_YES_NO,
2481                            true);
2482
2483
2484         msg.set_name (X_("OpenExistingDialog"));
2485         msg.set_title (_("Open Existing Session"));
2486         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2487         msg.set_position (Gtk::WIN_POS_MOUSE);
2488         pop_back_splash (msg);
2489
2490         switch (msg.run()) {
2491         case RESPONSE_YES:
2492                 return true;
2493                 break;
2494         }
2495         return false;
2496 }
2497
2498 int
2499 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2500 {
2501         BusProfile bus_profile;
2502
2503         if (nsm || Profile->get_sae()) {
2504
2505                 bus_profile.master_out_channels = 2;
2506                 bus_profile.input_ac = AutoConnectPhysical;
2507                 bus_profile.output_ac = AutoConnectMaster;
2508                 bus_profile.requested_physical_in = 0; // use all available
2509                 bus_profile.requested_physical_out = 0; // use all available
2510
2511         } else {
2512
2513                 /* get settings from advanced section of NSD */
2514
2515                 if (_startup->create_master_bus()) {
2516                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2517                 } else {
2518                         bus_profile.master_out_channels = 0;
2519                 }
2520
2521                 if (_startup->connect_inputs()) {
2522                         bus_profile.input_ac = AutoConnectPhysical;
2523                 } else {
2524                         bus_profile.input_ac = AutoConnectOption (0);
2525                 }
2526
2527                 bus_profile.output_ac = AutoConnectOption (0);
2528
2529                 if (_startup->connect_outputs ()) {
2530                         if (_startup->connect_outs_to_master()) {
2531                                 bus_profile.output_ac = AutoConnectMaster;
2532                         } else if (_startup->connect_outs_to_physical()) {
2533                                 bus_profile.output_ac = AutoConnectPhysical;
2534                         }
2535                 }
2536
2537                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2538                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2539         }
2540
2541         if (build_session (session_path, session_name, bus_profile)) {
2542                 return -1;
2543         }
2544
2545         return 0;
2546 }
2547
2548 void
2549 ARDOUR_UI::idle_load (const std::string& path)
2550 {
2551         if (_session) {
2552                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2553                         /* /path/to/foo => /path/to/foo, foo */
2554                         load_session (path, basename_nosuffix (path));
2555                 } else {
2556                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2557                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2558                 }
2559
2560         } else {
2561                 ARDOUR_COMMAND_LINE::session_name = path;
2562         }
2563 }
2564
2565 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2566 int
2567 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2568 {
2569         string session_name;
2570         string session_path;
2571         string template_name;
2572         int ret = -1;
2573         bool likely_new = false;
2574
2575         /* deal with any existing DIRTY session now, rather than later. don't
2576          * treat a non-dirty session this way, so that it stays visible
2577          * as we bring up the new session dialog.
2578          */
2579
2580         if (_session && ARDOUR_UI::instance()->video_timeline) {
2581                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2582         }
2583
2584         if (_session && _session->dirty()) {
2585                 if (unload_session (false)) {
2586                         /* unload cancelled by user */
2587                         return 0;
2588                 }
2589                 ARDOUR_COMMAND_LINE::session_name = "";
2590         }
2591
2592         if (!load_template.empty()) {
2593                 should_be_new = true;
2594                 template_name = load_template;
2595         }
2596
2597         while (ret != 0) {
2598
2599                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2600
2601                         /* if they named a specific statefile, use it, otherwise they are
2602                            just giving a session folder, and we want to use it as is
2603                            to find the session.
2604                         */
2605
2606                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2607
2608                         if (suffix != string::npos) {
2609                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2610                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2611                                 session_name = Glib::path_get_basename (session_name);
2612                         } else {
2613                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2614                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2615                         }
2616                 } else {
2617                         session_path = "";
2618                         session_name = "";
2619                 }
2620
2621                 delete _startup;
2622                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2623
2624                 if (!_startup->ready_without_display()) {
2625                         _startup->present ();
2626                         main().run();
2627                         _startup->hide ();
2628                 }
2629
2630                 switch (_startup->response()) {
2631                 case RESPONSE_OK:
2632                         break;
2633                 default:
2634                         if (quit_on_cancel) {
2635                                 exit (1);
2636                         } else {
2637                                 return ret;
2638                         }
2639                 }
2640
2641                 /* if we run the startup dialog again, offer more than just "new session" */
2642
2643                 should_be_new = false;
2644
2645                 session_name = _startup->session_name (likely_new);
2646
2647                 if (nsm) {
2648                         likely_new = true;
2649                 }
2650
2651                 string::size_type suffix = session_name.find (statefile_suffix);
2652
2653                 if (suffix != string::npos) {
2654                         session_name = session_name.substr (0, suffix);
2655                 }
2656
2657                 /* this shouldn't happen, but we catch it just in case it does */
2658
2659                 if (session_name.empty()) {
2660                         continue;
2661                 }
2662
2663                 if (_startup->use_session_template()) {
2664                         template_name = _startup->session_template_name();
2665                         _session_is_new = true;
2666                 }
2667
2668                 if (session_name[0] == G_DIR_SEPARATOR ||
2669                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2670                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2671
2672                         /* absolute path or cwd-relative path specified for session name: infer session folder
2673                            from what was given.
2674                         */
2675
2676                         session_path = Glib::path_get_dirname (session_name);
2677                         session_name = Glib::path_get_basename (session_name);
2678
2679                 } else {
2680
2681                         session_path = _startup->session_folder();
2682
2683                         char illegal = Session::session_name_is_legal (session_name);
2684
2685                         if (illegal) {
2686                                 MessageDialog msg (*_startup,
2687                                                    string_compose (_("To ensure compatibility with various systems\n"
2688                                                                      "session names may not contain a '%1' character"),
2689                                                                    illegal));
2690                                 msg.run ();
2691                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2692                                 continue;
2693                         }
2694                 }
2695
2696                 if (create_engine ()) {
2697                         break;
2698                 }
2699
2700                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2701
2702                         if (likely_new && !nsm) {
2703
2704                                 std::string existing = Glib::build_filename (session_path, session_name);
2705
2706                                 if (!ask_about_loading_existing_session (existing)) {
2707                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2708                                         continue;
2709                                 }
2710                         }
2711
2712                         _session_is_new = false;
2713
2714                 } else {
2715
2716                         if (!likely_new) {
2717                                 if (_startup) {
2718                                         pop_back_splash (*_startup);
2719                                 } else {
2720                                         hide_splash ();
2721                                 }
2722
2723                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2724                                 msg.run ();
2725                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2726                                 continue;
2727                         }
2728
2729                         char illegal = Session::session_name_is_legal(session_name);
2730                         if (illegal) {
2731                                 pop_back_splash (*_startup);
2732                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2733                                                      "session names may not contain a '%1' character"), illegal));
2734                                 msg.run ();
2735                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2736                                 continue;
2737                         }
2738
2739                         _session_is_new = true;
2740                 }
2741
2742                 if (likely_new && template_name.empty()) {
2743
2744                         ret = build_session_from_nsd (session_path, session_name);
2745
2746                 } else {
2747
2748                         ret = load_session (session_path, session_name, template_name);
2749
2750                         if (ret == -2) {
2751                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2752                                 exit (1);
2753                         }
2754
2755                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2756                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2757                                 exit (1);
2758                         }
2759                 }
2760         }
2761
2762         return ret;
2763 }
2764
2765 void
2766 ARDOUR_UI::close_session()
2767 {
2768         if (!check_audioengine()) {
2769                 return;
2770         }
2771
2772         if (unload_session (true)) {
2773                 return;
2774         }
2775
2776         ARDOUR_COMMAND_LINE::session_name = "";
2777
2778         if (get_session_parameters (true, false)) {
2779                 exit (1);
2780         }
2781
2782         goto_editor_window ();
2783 }
2784
2785 /** @param snap_name Snapshot name (without .ardour suffix).
2786  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2787  */
2788 int
2789 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2790 {
2791         Session *new_session;
2792         int unload_status;
2793         int retval = -1;
2794
2795         session_loaded = false;
2796
2797         if (!check_audioengine()) {
2798                 return -2;
2799         }
2800
2801         unload_status = unload_session ();
2802
2803         if (unload_status < 0) {
2804                 goto out;
2805         } else if (unload_status > 0) {
2806                 retval = 0;
2807                 goto out;
2808         }
2809
2810         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2811
2812         try {
2813                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2814         }
2815
2816         /* this one is special */
2817
2818         catch (AudioEngine::PortRegistrationFailure& err) {
2819
2820                 MessageDialog msg (err.what(),
2821                                    true,
2822                                    Gtk::MESSAGE_INFO,
2823                                    Gtk::BUTTONS_CLOSE);
2824
2825                 msg.set_title (_("Port Registration Error"));
2826                 msg.set_secondary_text (_("Click the Close button to try again."));
2827                 msg.set_position (Gtk::WIN_POS_CENTER);
2828                 pop_back_splash (msg);
2829                 msg.present ();
2830
2831                 int response = msg.run ();
2832
2833                 msg.hide ();
2834
2835                 switch (response) {
2836                 case RESPONSE_CANCEL:
2837                         exit (1);
2838                 default:
2839                         break;
2840                 }
2841                 goto out;
2842         }
2843
2844         catch (...) {
2845
2846                 MessageDialog msg (string_compose(
2847                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2848                                            path, snap_name),
2849                                    true,
2850                                    Gtk::MESSAGE_INFO,
2851                                    BUTTONS_OK);
2852
2853                 msg.set_title (_("Loading Error"));
2854                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2855                 msg.add_button (Stock::REFRESH, 1);
2856                 msg.set_position (Gtk::WIN_POS_CENTER);
2857                 pop_back_splash (msg);
2858                 msg.present ();
2859
2860                 int response = msg.run ();
2861
2862                 switch (response) {
2863                 case 1:
2864                         break;
2865                 default:
2866                         exit (1);
2867                 }
2868
2869                 msg.hide ();
2870
2871                 goto out;
2872         }
2873
2874         {
2875                 list<string> const u = new_session->unknown_processors ();
2876                 if (!u.empty()) {
2877                         MissingPluginDialog d (_session, u);
2878                         d.run ();
2879                 }
2880         }
2881
2882         /* Now the session been created, add the transport controls */
2883         new_session->add_controllable(roll_controllable);
2884         new_session->add_controllable(stop_controllable);
2885         new_session->add_controllable(goto_start_controllable);
2886         new_session->add_controllable(goto_end_controllable);
2887         new_session->add_controllable(auto_loop_controllable);
2888         new_session->add_controllable(play_selection_controllable);
2889         new_session->add_controllable(rec_controllable);
2890
2891         set_session (new_session);
2892
2893         session_loaded = true;
2894
2895         goto_editor_window ();
2896
2897         if (_session) {
2898                 _session->set_clean ();
2899         }
2900
2901         flush_pending ();
2902         retval = 0;
2903
2904   out:
2905         return retval;
2906 }
2907
2908 int
2909 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2910 {
2911         Session *new_session;
2912         int x;
2913
2914         if (!check_audioengine()) {
2915                 return -1;
2916         }
2917
2918         session_loaded = false;
2919
2920         x = unload_session ();
2921
2922         if (x < 0) {
2923                 return -1;
2924         } else if (x > 0) {
2925                 return 0;
2926         }
2927
2928         _session_is_new = true;
2929
2930         try {
2931                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2932         }
2933
2934         catch (...) {
2935
2936                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2937                 pop_back_splash (msg);
2938                 msg.run ();
2939                 return -1;
2940         }
2941
2942         /* Give the new session the default GUI state, if such things exist */
2943
2944         XMLNode* n;
2945         n = Config->instant_xml (X_("Editor"));
2946         if (n) {
2947                 new_session->add_instant_xml (*n, false);
2948         }
2949         n = Config->instant_xml (X_("Mixer"));
2950         if (n) {
2951                 new_session->add_instant_xml (*n, false);
2952         }
2953
2954         /* Put the playhead at 0 and scroll fully left */
2955         n = new_session->instant_xml (X_("Editor"));
2956         if (n) {
2957                 n->add_property (X_("playhead"), X_("0"));
2958                 n->add_property (X_("left-frame"), X_("0"));
2959         }
2960
2961         set_session (new_session);
2962
2963         session_loaded = true;
2964
2965         new_session->save_state(new_session->name());
2966
2967         return 0;
2968 }
2969
2970 void
2971 ARDOUR_UI::launch_chat ()
2972 {
2973 #ifdef __APPLE__
2974         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2975 #else
2976         open_uri("http://webchat.freenode.net/?channels=ardour");
2977 #endif
2978 }
2979
2980 void
2981 ARDOUR_UI::launch_manual ()
2982 {
2983         PBD::open_uri (Config->get_tutorial_manual_url());
2984 }
2985
2986 void
2987 ARDOUR_UI::launch_reference ()
2988 {
2989         PBD::open_uri (Config->get_reference_manual_url());
2990 }
2991
2992 void
2993 ARDOUR_UI::loading_message (const std::string& msg)
2994 {
2995         if (ARDOUR_COMMAND_LINE::no_splash) {
2996                 return;
2997         }
2998
2999         if (!splash) {
3000                 show_splash ();
3001         }
3002
3003         splash->message (msg);
3004 }
3005
3006 void
3007 ARDOUR_UI::show_splash ()
3008 {
3009         if (splash == 0) {
3010                 try {
3011                         splash = new Splash;
3012                 } catch (...) {
3013                         return;
3014                 }
3015         }
3016
3017         splash->display ();
3018 }
3019
3020 void
3021 ARDOUR_UI::hide_splash ()
3022 {
3023         delete splash;
3024         splash = 0;
3025 }
3026
3027 void
3028 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3029 {
3030         size_t removed;
3031
3032         removed = rep.paths.size();
3033
3034         if (removed == 0) {
3035                 MessageDialog msgd (*editor,
3036                                     _("No files were ready for clean-up"),
3037                                     true,
3038                                     Gtk::MESSAGE_INFO,
3039                                     Gtk::BUTTONS_OK);
3040                 msgd.set_title (_("Clean-up"));
3041                 msgd.set_secondary_text (_("If this seems suprising, \n\
3042 check for any existing snapshots.\n\
3043 These may still include regions that\n\
3044 require some unused files to continue to exist."));
3045
3046                 msgd.run ();
3047                 return;
3048         }
3049
3050         ArdourDialog results (_("Clean-up"), true, false);
3051
3052         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3053             CleanupResultsModelColumns() {
3054                     add (visible_name);
3055                     add (fullpath);
3056             }
3057             Gtk::TreeModelColumn<std::string> visible_name;
3058             Gtk::TreeModelColumn<std::string> fullpath;
3059         };
3060
3061
3062         CleanupResultsModelColumns results_columns;
3063         Glib::RefPtr<Gtk::ListStore> results_model;
3064         Gtk::TreeView results_display;
3065
3066         results_model = ListStore::create (results_columns);
3067         results_display.set_model (results_model);
3068         results_display.append_column (list_title, results_columns.visible_name);
3069
3070         results_display.set_name ("CleanupResultsList");
3071         results_display.set_headers_visible (true);
3072         results_display.set_headers_clickable (false);
3073         results_display.set_reorderable (false);
3074
3075         Gtk::ScrolledWindow list_scroller;
3076         Gtk::Label txt;
3077         Gtk::VBox dvbox;
3078         Gtk::HBox dhbox;  // the hbox for the image and text
3079         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3080         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3081
3082         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3083
3084         const string dead_directory = _session->session_directory().dead_path();
3085
3086         /* subst:
3087            %1 - number of files removed
3088            %2 - location of "dead"
3089            %3 - size of files affected
3090            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3091         */
3092
3093         const char* bprefix;
3094         double space_adjusted = 0;
3095
3096         if (rep.space < 1000) {
3097                 bprefix = X_("");
3098                 space_adjusted = rep.space;
3099         } else if (rep.space < 1000000) {
3100                 bprefix = _("kilo");
3101                 space_adjusted = truncf((float)rep.space / 1000.0);
3102         } else if (rep.space < 1000000 * 1000) {
3103                 bprefix = _("mega");
3104                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3105         } else {
3106                 bprefix = _("giga");
3107                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3108         }
3109
3110         if (msg_delete) {
3111                 txt.set_markup (string_compose (P_("\
3112 The following file was deleted from %2,\n\
3113 releasing %3 %4bytes of disk space", "\
3114 The following %1 files were deleted from %2,\n\
3115 releasing %3 %4bytes of disk space", removed),
3116                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3117         } else {
3118                 txt.set_markup (string_compose (P_("\
3119 The following file was not in use and \n\
3120 has been moved to: %2\n\n\
3121 After a restart of %5\n\n\
3122 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3123 will release an additional %3 %4bytes of disk space.\n", "\
3124 The following %1 files were not in use and \n\
3125 have been moved to: %2\n\n\
3126 After a restart of %5\n\n\
3127 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3128 will release an additional %3 %4bytes of disk space.\n", removed),
3129                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3130         }
3131
3132         dhbox.pack_start (*dimage, true, false, 5);
3133         dhbox.pack_start (txt, true, false, 5);
3134
3135         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3136                 TreeModel::Row row = *(results_model->append());
3137                 row[results_columns.visible_name] = *i;
3138                 row[results_columns.fullpath] = *i;
3139         }
3140
3141         list_scroller.add (results_display);
3142         list_scroller.set_size_request (-1, 150);
3143         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3144
3145         dvbox.pack_start (dhbox, true, false, 5);
3146         dvbox.pack_start (list_scroller, true, false, 5);
3147         ddhbox.pack_start (dvbox, true, false, 5);
3148
3149         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3150         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3151         results.set_default_response (RESPONSE_CLOSE);
3152         results.set_position (Gtk::WIN_POS_MOUSE);
3153
3154         results_display.show();
3155         list_scroller.show();
3156         txt.show();
3157         dvbox.show();
3158         dhbox.show();
3159         ddhbox.show();
3160         dimage->show();
3161
3162         //results.get_vbox()->show();
3163         results.set_resizable (false);
3164
3165         results.run ();
3166
3167 }
3168
3169 void
3170 ARDOUR_UI::cleanup ()
3171 {
3172         if (_session == 0) {
3173                 /* shouldn't happen: menu item is insensitive */
3174                 return;
3175         }
3176
3177
3178         MessageDialog checker (_("Are you sure you want to clean-up?"),
3179                                 true,
3180                                 Gtk::MESSAGE_QUESTION,
3181                                 Gtk::BUTTONS_NONE);
3182
3183         checker.set_title (_("Clean-up"));
3184
3185         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3186 ALL undo/redo information will be lost if you clean-up.\n\
3187 Clean-up will move all unused files to a \"dead\" location."));
3188
3189         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3190         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3191         checker.set_default_response (RESPONSE_CANCEL);
3192
3193         checker.set_name (_("CleanupDialog"));
3194         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3195         checker.set_position (Gtk::WIN_POS_MOUSE);
3196
3197         switch (checker.run()) {
3198         case RESPONSE_ACCEPT:
3199                 break;
3200         default:
3201                 return;
3202         }
3203
3204         ARDOUR::CleanupReport rep;
3205
3206         editor->prepare_for_cleanup ();
3207
3208         /* do not allow flush until a session is reloaded */
3209
3210         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3211         if (act) {
3212                 act->set_sensitive (false);
3213         }
3214
3215         if (_session->cleanup_sources (rep)) {
3216                 editor->finish_cleanup ();
3217                 return;
3218         }
3219
3220         editor->finish_cleanup ();
3221
3222         checker.hide();
3223         display_cleanup_results (rep, _("Cleaned Files"), false);
3224 }
3225
3226 void
3227 ARDOUR_UI::flush_trash ()
3228 {
3229         if (_session == 0) {
3230                 /* shouldn't happen: menu item is insensitive */
3231                 return;
3232         }
3233
3234         ARDOUR::CleanupReport rep;
3235
3236         if (_session->cleanup_trash_sources (rep)) {
3237                 return;
3238         }
3239
3240         display_cleanup_results (rep, _("deleted file"), true);
3241 }
3242
3243 void
3244 ARDOUR_UI::add_route (Gtk::Window* float_window)
3245 {
3246         int count;
3247
3248         if (!_session) {
3249                 return;
3250         }
3251
3252         if (add_route_dialog->is_visible()) {
3253                 /* we're already doing this */
3254                 return;
3255         }
3256
3257         if (float_window) {
3258                 add_route_dialog->set_transient_for (*float_window);
3259         }
3260
3261         ResponseType r = (ResponseType) add_route_dialog->run ();
3262
3263         add_route_dialog->hide();
3264
3265         switch (r) {
3266                 case RESPONSE_ACCEPT:
3267                         break;
3268                 default:
3269                         return;
3270                         break;
3271         }
3272
3273         if ((count = add_route_dialog->count()) <= 0) {
3274                 return;
3275         }
3276
3277         PBD::ScopedConnection idle_connection;
3278
3279         if (count > 8) {
3280                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3281         }
3282
3283         string template_path = add_route_dialog->track_template();
3284
3285         if (!template_path.empty()) {
3286                 if (add_route_dialog->name_template_is_default())  {
3287                         _session->new_route_from_template (count, template_path, string());
3288                 } else {
3289                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3290                 }
3291                 return;
3292         }
3293
3294         ChanCount input_chan= add_route_dialog->channels ();
3295         ChanCount output_chan;
3296         string name_template = add_route_dialog->name_template ();
3297         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3298         RouteGroup* route_group = add_route_dialog->route_group ();
3299         AutoConnectOption oac = Config->get_output_auto_connect();
3300
3301         if (oac & AutoConnectMaster) {
3302                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3303                 output_chan.set (DataType::MIDI, 0);
3304         } else {
3305                 output_chan = input_chan;
3306         }
3307
3308         /* XXX do something with name template */
3309
3310         switch (add_route_dialog->type_wanted()) {
3311         case AddRouteDialog::AudioTrack:
3312                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3313                 break;
3314         case AddRouteDialog::MidiTrack:
3315                 session_add_midi_track (route_group, count, name_template, instrument);
3316                 break;
3317         case AddRouteDialog::MixedTrack:
3318                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3319                 break;
3320         case AddRouteDialog::AudioBus:
3321                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3322                 break;
3323         }
3324
3325         /* idle connection will end at scope end */
3326 }
3327
3328 void
3329 ARDOUR_UI::stop_video_server (bool ask_confirm)
3330 {
3331         if (!video_server_process && ask_confirm) {
3332                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3333         }
3334         if (video_server_process) {
3335                 if(ask_confirm) {
3336                         ArdourDialog confirm (_("Stop Video-Server"), true);
3337                         Label m (_("Do you really want to stop the Video Server?"));
3338                         confirm.get_vbox()->pack_start (m, true, true);
3339                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3340                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3341                         confirm.show_all ();
3342                         if (confirm.run() == RESPONSE_CANCEL) {
3343                                 return;
3344                         }
3345                 }
3346                 delete video_server_process;
3347                 video_server_process =0;
3348         }
3349 }
3350
3351 void
3352 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3353 {
3354   ARDOUR_UI::start_video_server( float_window, true);
3355 }
3356
3357 bool
3358 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3359 {
3360         if (!_session) {
3361                 return false;
3362         }
3363         if (popup_msg) {
3364                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3365                         if (video_server_process) {
3366                                 popup_error(_("The Video Server is already started."));
3367                         } else {
3368                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3369                         }
3370                 }
3371         }
3372
3373         int firsttime = 0;
3374         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3375                 if (firsttime++) {
3376                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3377                 }
3378                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3379                 if (float_window) {
3380                         video_server_dialog->set_transient_for (*float_window);
3381                 }
3382
3383                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3384                         video_server_dialog->hide();
3385                 } else {
3386                         ResponseType r = (ResponseType) video_server_dialog->run ();
3387                         video_server_dialog->hide();
3388                         if (r != RESPONSE_ACCEPT) { return false; }
3389                         if (video_server_dialog->show_again()) {
3390                                 Config->set_show_video_server_dialog(false);
3391                         }
3392                 }
3393
3394                 std::string icsd_exec = video_server_dialog->get_exec_path();
3395                 std::string icsd_docroot = video_server_dialog->get_docroot();
3396                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3397
3398                 struct stat sb;
3399                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3400                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3401                         continue;
3402                 }
3403                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3404                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3405                         warning << _("Given Video Server is not an executable file.") << endmsg;
3406                         continue;
3407                 }
3408
3409                 char **argp;
3410                 argp=(char**) calloc(9,sizeof(char*));
3411                 argp[0] = strdup(icsd_exec.c_str());
3412                 argp[1] = strdup("-P");
3413                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3414                 argp[3] = strdup("-p");
3415                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3416                 argp[5] = strdup("-C");
3417                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3418                 argp[7] = strdup(icsd_docroot.c_str());
3419                 argp[8] = 0;
3420                 stop_video_server();
3421
3422                 if (icsd_docroot == X_("/")) {
3423                         Config->set_video_advanced_setup(false);
3424                 } else {
3425                         std::ostringstream osstream;
3426                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3427                         Config->set_video_server_url(osstream.str());
3428                         Config->set_video_server_docroot(icsd_docroot);
3429                         Config->set_video_advanced_setup(true);
3430                 }
3431
3432                 if (video_server_process) {
3433                         delete video_server_process;
3434                 }
3435
3436                 video_server_process = new SystemExec(icsd_exec, argp);
3437                 if (video_server_process->start()) {
3438                         warning << _("Cannot launch the video-server") << endmsg;
3439                         continue;
3440                 }
3441                 int timeout = 120; // 6 sec
3442                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3443                         usleep (50000);
3444                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3445                 }
3446                 if (timeout <= 0) {
3447                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3448                 } else {
3449                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3450                                 delete video_server_process;
3451                                 video_server_process = 0;
3452                         }
3453                 }
3454         }
3455         return true;
3456 }
3457
3458 void
3459 ARDOUR_UI::add_video (Gtk::Window* float_window)
3460 {
3461         if (!_session) {
3462                 return;
3463         }
3464
3465         if (!start_video_server(float_window, false)) {
3466                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3467                 return;
3468         }
3469
3470         if (float_window) {
3471                 add_video_dialog->set_transient_for (*float_window);
3472         }
3473
3474         if (add_video_dialog->is_visible()) {
3475                 /* we're already doing this */
3476                 return;
3477         }
3478
3479         ResponseType r = (ResponseType) add_video_dialog->run ();
3480         add_video_dialog->hide();
3481         if (r != RESPONSE_ACCEPT) { return; }
3482
3483         bool local_file, orig_local_file;
3484         std::string path = add_video_dialog->file_name(local_file);
3485
3486         std::string orig_path = path;
3487         orig_local_file = local_file;
3488
3489         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3490
3491         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3492                 warning << string_compose(_("could not open %1"), path) << endmsg;
3493                 return;
3494         }
3495         if (!local_file && path.length() == 0) {
3496                 warning << _("no video-file selected") << endmsg;
3497                 return;
3498         }
3499
3500         switch (add_video_dialog->import_option()) {
3501                 case VTL_IMPORT_TRANSCODE:
3502                         {
3503                                 TranscodeVideoDialog *transcode_video_dialog;
3504                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3505                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3506                                 transcode_video_dialog->hide();
3507                                 if (r != RESPONSE_ACCEPT) {
3508                                         delete transcode_video_dialog;
3509                                         return;
3510                                 }
3511                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3512                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3513                                 }
3514                                 switch (transcode_video_dialog->import_option()) {
3515                                         case VTL_IMPORT_TRANSCODED:
3516                                                 path = transcode_video_dialog->get_filename();
3517                                                 local_file = true;
3518                                                 break;
3519                                         case VTL_IMPORT_REFERENCE:
3520                                                 break;
3521                                         default:
3522                                                 delete transcode_video_dialog;
3523                                                 return;
3524                                 }
3525                                 delete transcode_video_dialog;
3526                         }
3527                         break;
3528                 default:
3529                 case VTL_IMPORT_NONE:
3530                         break;
3531         }
3532
3533         /* strip _session->session_directory().video_path() from video file if possible */
3534         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3535                  path=path.substr(_session->session_directory().video_path().size());
3536                  if (path.at(0) == G_DIR_SEPARATOR) {
3537                          path=path.substr(1);
3538                  }
3539         }
3540
3541         video_timeline->set_update_session_fps(auto_set_session_fps);
3542         if (video_timeline->video_file_info(path, local_file)) {
3543                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3544                 node->add_property (X_("Filename"), path);
3545                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3546                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3547                 if (orig_local_file) {
3548                         node->add_property (X_("OriginalVideoFile"), orig_path);
3549                 } else {
3550                         node->remove_property (X_("OriginalVideoFile"));
3551                 }
3552                 _session->add_extra_xml (*node);
3553                 _session->set_dirty ();
3554
3555                 _session->maybe_update_session_range(
3556                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3557                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3558
3559
3560                 if (add_video_dialog->launch_xjadeo() && local_file) {
3561                         editor->set_xjadeo_sensitive(true);
3562                         editor->toggle_xjadeo_proc(1);
3563                 } else {
3564                         editor->toggle_xjadeo_proc(0);
3565                 }
3566                 editor->toggle_ruler_video(true);
3567         }
3568 }
3569
3570 void
3571 ARDOUR_UI::remove_video ()
3572 {
3573         video_timeline->close_session();
3574         editor->toggle_ruler_video(false);
3575
3576         /* delete session state */
3577         XMLNode* node = new XMLNode(X_("Videotimeline"));
3578         _session->add_extra_xml(*node);
3579         node = new XMLNode(X_("Videomonitor"));
3580         _session->add_extra_xml(*node);
3581         stop_video_server();
3582 }
3583
3584 void
3585 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3586 {
3587         if (localcacheonly) {
3588                 video_timeline->vmon_update();
3589         } else {
3590                 video_timeline->flush_cache();
3591         }
3592         editor->queue_visual_videotimeline_update();
3593 }
3594
3595 XMLNode*
3596 ARDOUR_UI::mixer_settings () const
3597 {
3598         XMLNode* node = 0;
3599
3600         if (_session) {
3601                 node = _session->instant_xml(X_("Mixer"));
3602         } else {
3603                 node = Config->instant_xml(X_("Mixer"));
3604         }
3605
3606         if (!node) {
3607                 node = new XMLNode (X_("Mixer"));
3608         }
3609
3610         return node;
3611 }
3612
3613 XMLNode*
3614 ARDOUR_UI::editor_settings () const
3615 {
3616         XMLNode* node = 0;
3617
3618         if (_session) {
3619                 node = _session->instant_xml(X_("Editor"));
3620         } else {
3621                 node = Config->instant_xml(X_("Editor"));
3622         }
3623
3624         if (!node) {
3625                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3626                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3627                 }
3628         }
3629
3630         if (!node) {
3631                 node = new XMLNode (X_("Editor"));
3632         }
3633
3634         return node;
3635 }
3636
3637 XMLNode*
3638 ARDOUR_UI::keyboard_settings () const
3639 {
3640         XMLNode* node = 0;
3641
3642         node = Config->extra_xml(X_("Keyboard"));
3643
3644         if (!node) {
3645                 node = new XMLNode (X_("Keyboard"));
3646         }
3647
3648         return node;
3649 }
3650
3651 void
3652 ARDOUR_UI::create_xrun_marker (framepos_t where)
3653 {
3654         editor->mouse_add_new_marker (where, false, true);
3655 }
3656
3657 void
3658 ARDOUR_UI::halt_on_xrun_message ()
3659 {
3660         MessageDialog msg (*editor,
3661                            _("Recording was stopped because your system could not keep up."));
3662         msg.run ();
3663 }
3664
3665 void
3666 ARDOUR_UI::xrun_handler (framepos_t where)
3667 {
3668         if (!_session) {
3669                 return;
3670         }
3671
3672         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3673
3674         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3675                 create_xrun_marker(where);
3676         }
3677
3678         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3679                 halt_on_xrun_message ();
3680         }
3681 }
3682
3683 void
3684 ARDOUR_UI::disk_overrun_handler ()
3685 {
3686         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3687
3688         if (!have_disk_speed_dialog_displayed) {
3689                 have_disk_speed_dialog_displayed = true;
3690                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3691 The disk system on your computer\n\
3692 was not able to keep up with %1.\n\
3693 \n\
3694 Specifically, it failed to write data to disk\n\
3695 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3696                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3697                 msg->show ();
3698         }
3699 }
3700
3701 void
3702 ARDOUR_UI::disk_underrun_handler ()
3703 {
3704         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3705
3706         if (!have_disk_speed_dialog_displayed) {
3707                 have_disk_speed_dialog_displayed = true;
3708                 MessageDialog* msg = new MessageDialog (
3709                         *editor, string_compose (_("The disk system on your computer\n\
3710 was not able to keep up with %1.\n\
3711 \n\
3712 Specifically, it failed to read data from disk\n\
3713 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3714                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3715                 msg->show ();
3716         }
3717 }
3718
3719 void
3720 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3721 {
3722         have_disk_speed_dialog_displayed = false;
3723         delete msg;
3724 }
3725
3726 void
3727 ARDOUR_UI::session_dialog (std::string msg)
3728 {
3729         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3730
3731         MessageDialog* d;
3732
3733         if (editor) {
3734                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3735         } else {
3736                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3737         }
3738
3739         d->show_all ();
3740         d->run ();
3741         delete d;
3742 }
3743
3744 int
3745 ARDOUR_UI::pending_state_dialog ()
3746 {
3747         HBox* hbox = new HBox();
3748         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3749         ArdourDialog dialog (_("Crash Recovery"), true);
3750         Label  message (string_compose (_("\
3751 This session appears to have been in the\n\
3752 middle of recording when %1 or\n\
3753 the computer was shutdown.\n\
3754 \n\
3755 %1 can recover any captured audio for\n\
3756 you, or it can ignore it. Please decide\n\
3757 what you would like to do.\n"), PROGRAM_NAME));
3758         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3759         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3760         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3761         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3762         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3763         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3764         dialog.set_default_response (RESPONSE_ACCEPT);
3765         dialog.set_position (WIN_POS_CENTER);
3766         message.show();
3767         image->show();
3768         hbox->show();
3769
3770         switch (dialog.run ()) {
3771         case RESPONSE_ACCEPT:
3772                 return 1;
3773         default:
3774                 return 0;
3775         }
3776 }
3777
3778 int
3779 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3780 {
3781         HBox* hbox = new HBox();
3782         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3783         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3784         Label  message (string_compose (_("\
3785 This session was created with a sample rate of %1 Hz, but\n\
3786 %2 is currently running at %3 Hz.  If you load this session,\n\
3787 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3788
3789         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3790         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3791         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3792         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3793         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3794         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3795         dialog.set_default_response (RESPONSE_ACCEPT);
3796         dialog.set_position (WIN_POS_CENTER);
3797         message.show();
3798         image->show();
3799         hbox->show();
3800
3801         switch (dialog.run()) {
3802         case RESPONSE_ACCEPT:
3803                 return 0;
3804         default:
3805                 break;
3806         }
3807
3808         return 1;
3809 }
3810
3811
3812 void
3813 ARDOUR_UI::disconnect_from_jack ()
3814 {
3815         if (engine) {
3816                 if (engine->disconnect_from_jack ()) {
3817                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3818                         msg.run ();
3819                 }
3820
3821                 update_sample_rate (0);
3822         }
3823 }
3824
3825 void
3826 ARDOUR_UI::reconnect_to_jack ()
3827 {
3828         if (engine) {
3829                 if (engine->reconnect_to_jack ()) {
3830                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3831                         msg.run ();
3832                 }
3833
3834                 update_sample_rate (0);
3835         }
3836 }
3837
3838 void
3839 ARDOUR_UI::use_config ()
3840 {
3841         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3842         if (node) {
3843                 set_transport_controllable_state (*node);
3844         }
3845 }
3846
3847 void
3848 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3849 {
3850         if (Config->get_primary_clock_delta_edit_cursor()) {
3851                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3852         } else {
3853                 primary_clock->set (pos);
3854         }
3855
3856         if (Config->get_secondary_clock_delta_edit_cursor()) {
3857                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3858         } else {
3859                 secondary_clock->set (pos);
3860         }
3861
3862         if (big_clock_window) {
3863                 big_clock->set (pos);
3864         }
3865         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3866 }
3867
3868 void
3869 ARDOUR_UI::step_edit_status_change (bool yn)
3870 {
3871         // XXX should really store pre-step edit status of things
3872         // we make insensitive
3873
3874         if (yn) {
3875                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3876                 rec_button.set_sensitive (false);
3877         } else {
3878                 rec_button.unset_active_state ();;
3879                 rec_button.set_sensitive (true);
3880         }
3881 }
3882
3883 void
3884 ARDOUR_UI::record_state_changed ()
3885 {
3886         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3887
3888         if (!_session || !big_clock_window) {
3889                 /* why bother - the clock isn't visible */
3890                 return;
3891         }
3892
3893         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3894                 big_clock->set_active (true);
3895         } else {
3896                 big_clock->set_active (false);
3897         }
3898 }
3899
3900 bool
3901 ARDOUR_UI::first_idle ()
3902 {
3903         if (_session) {
3904                 _session->allow_auto_play (true);
3905         }
3906
3907         if (editor) {
3908                 editor->first_idle();
3909         }
3910
3911         Keyboard::set_can_save_keybindings (true);
3912         return false;
3913 }
3914
3915 void
3916 ARDOUR_UI::store_clock_modes ()
3917 {
3918         XMLNode* node = new XMLNode(X_("ClockModes"));
3919
3920         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3921                 XMLNode* child = new XMLNode (X_("Clock"));
3922
3923                 child->add_property (X_("name"), (*x)->name());
3924                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3925                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3926
3927                 node->add_child_nocopy (*child);
3928         }
3929
3930         _session->add_extra_xml (*node);
3931         _session->set_dirty ();
3932 }
3933
3934 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3935         : Controllable (name), ui (u), type(tp)
3936 {
3937
3938 }
3939
3940 void
3941 ARDOUR_UI::TransportControllable::set_value (double val)
3942 {
3943         if (val < 0.5) {
3944                 /* do nothing: these are radio-style actions */
3945                 return;
3946         }
3947
3948         const char *action = 0;
3949
3950         switch (type) {
3951         case Roll:
3952                 action = X_("Roll");
3953                 break;
3954         case Stop:
3955                 action = X_("Stop");
3956                 break;
3957         case GotoStart:
3958                 action = X_("GotoStart");
3959                 break;
3960         case GotoEnd:
3961                 action = X_("GotoEnd");
3962                 break;
3963         case AutoLoop:
3964                 action = X_("Loop");
3965                 break;
3966         case PlaySelection:
3967                 action = X_("PlaySelection");
3968                 break;
3969         case RecordEnable:
3970                 action = X_("Record");
3971                 break;
3972         default:
3973                 break;
3974         }
3975
3976         if (action == 0) {
3977                 return;
3978         }
3979
3980         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3981
3982         if (act) {
3983                 act->activate ();
3984         }
3985 }
3986
3987 double
3988 ARDOUR_UI::TransportControllable::get_value (void) const
3989 {
3990         float val = 0.0;
3991
3992         switch (type) {
3993         case Roll:
3994                 break;
3995         case Stop:
3996                 break;
3997         case GotoStart:
3998                 break;
3999         case GotoEnd:
4000                 break;
4001         case AutoLoop:
4002                 break;
4003         case PlaySelection:
4004                 break;
4005         case RecordEnable:
4006                 break;
4007         default:
4008                 break;
4009         }
4010
4011         return val;
4012 }
4013
4014 void
4015 ARDOUR_UI::setup_profile ()
4016 {
4017         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4018                 Profile->set_small_screen ();
4019         }
4020
4021         if (getenv ("ARDOUR_SAE")) {
4022                 Profile->set_sae ();
4023                 Profile->set_single_package ();
4024         }
4025 }
4026
4027 int
4028 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4029 {
4030         MissingFileDialog dialog (s, str, type);
4031
4032         dialog.show ();
4033         dialog.present ();
4034
4035         int result = dialog.run ();
4036         dialog.hide ();
4037
4038         switch (result) {
4039         case RESPONSE_OK:
4040                 break;
4041         default:
4042                 return 1; // quit entire session load
4043         }
4044
4045         result = dialog.get_action ();
4046
4047         return result;
4048 }
4049
4050 int
4051 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4052 {
4053         AmbiguousFileDialog dialog (file, hits);
4054
4055         dialog.show ();
4056         dialog.present ();
4057
4058         dialog.run ();
4059         return dialog.get_which ();
4060 }
4061
4062 /** Allocate our thread-local buffers */
4063 void
4064 ARDOUR_UI::get_process_buffers ()
4065 {
4066         _process_thread->get_buffers ();
4067 }
4068
4069 /** Drop our thread-local buffers */
4070 void
4071 ARDOUR_UI::drop_process_buffers ()
4072 {
4073         _process_thread->drop_buffers ();
4074 }
4075
4076 void
4077 ARDOUR_UI::feedback_detected ()
4078 {
4079         _feedback_exists = true;
4080 }
4081
4082 void
4083 ARDOUR_UI::successful_graph_sort ()
4084 {
4085         _feedback_exists = false;
4086 }
4087
4088 void
4089 ARDOUR_UI::midi_panic ()
4090 {
4091         if (_session) {
4092                 _session->midi_panic();
4093         }
4094 }
4095
4096 void
4097 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4098 {
4099         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4100         const char* end_big = "</span>";
4101         const char* start_mono = "<tt>";
4102         const char* end_mono = "</tt>";
4103
4104         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4105                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4106                                              "From now on, use the -2000 version with older versions of %3"),
4107                                            xml_path, backup_path, PROGRAM_NAME,
4108                                            start_big, end_big,
4109                                            start_mono, end_mono), true);
4110
4111         msg.run ();
4112 }