gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <stdint.h>
  25
  26 #include <algorithm>
  27 #include <cmath>
  28 #include <fcntl.h>
  29 #include <signal.h>
  30 #include <unistd.h>
  31 #include <time.h>
  32 #include <cerrno>
  33 #include <fstream>
  34
  35 #include <iostream>
  36
  37 #include <sys/resource.h>
  38 #include <sys/types.h>
  39 #include <sys/sysctl.h>
  40
  41 #include <gtkmm/messagedialog.h>
  42 #include <gtkmm/accelmap.h>
  43
  44 #include "pbd/error.h"
  45 #include "pbd/basename.h"
  46 #include "pbd/compose.h"
  47 #include "pbd/failed_constructor.h"
  48 #include "pbd/enumwriter.h"
  49 #include "pbd/memento_command.h"
  50 #include "pbd/openuri.h"
  51 #include "pbd/file_utils.h"
  52
  53 #include "gtkmm2ext/application.h"
  54 #include "gtkmm2ext/bindings.h"
  55 #include "gtkmm2ext/gtk_ui.h"
  56 #include "gtkmm2ext/utils.h"
  57 #include "gtkmm2ext/click_box.h"
  58 #include "gtkmm2ext/fastmeter.h"
  59 #include "gtkmm2ext/popup.h"
  60 #include "gtkmm2ext/window_title.h"
  61
  62 #include "midi++/manager.h"
  63
  64 #include "ardour/ardour.h"
  65 #include "ardour/audioengine.h"
  66 #include "ardour/audiofilesource.h"
  67 #include "ardour/automation_watch.h"
  68 #include "ardour/diskstream.h"
  69 #include "ardour/filename_extensions.h"
  70 #include "ardour/filesystem_paths.h"
  71 #include "ardour/port.h"
  72 #include "ardour/process_thread.h"
  73 #include "ardour/profile.h"
  74 #include "ardour/recent_sessions.h"
  75 #include "ardour/session_directory.h"
  76 #include "ardour/session_route.h"
  77 #include "ardour/session_state_utils.h"
  78 #include "ardour/session_utils.h"
  79 #include "ardour/slave.h"
  80
  81 #include "timecode/time.h"
  82
  83 typedef uint64_t microseconds_t;
  84
  85 #include "about.h"
  86 #include "actions.h"
  87 #include "add_route_dialog.h"
  88 #include "ambiguous_file_dialog.h"
  89 #include "ardour_ui.h"
  90 #include "audio_clock.h"
  91 #include "bundle_manager.h"
  92 #include "engine_dialog.h"
  93 #include "gain_meter.h"
  94 #include "global_port_matrix.h"
  95 #include "gui_object.h"
  96 #include "gui_thread.h"
  97 #include "keyboard.h"
  98 #include "location_ui.h"
  99 #include "main_clock.h"
 100 #include "missing_file_dialog.h"
 101 #include "missing_plugin_dialog.h"
 102 #include "mixer_ui.h"
 103 #include "mouse_cursors.h"
 104 #include "opts.h"
 105 #include "pingback.h"
 106 #include "processor_box.h"
 107 #include "prompter.h"
 108 #include "public_editor.h"
 109 #include "route_time_axis.h"
 110 #include "session_metadata_dialog.h"
 111 #include "shuttle_control.h"
 112 #include "speaker_dialog.h"
 113 #include "splash.h"
 114 #include "startup.h"
 115 #include "theme_manager.h"
 116 #include "time_axis_view_item.h"
 117 #include "utils.h"
 118 #include "window_proxy.h"
 119 #include "video_server_dialog.h"
 120 #include "add_video_dialog.h"
 121 #include "transcode_video_dialog.h"
 122 #include "system_exec.h"
 123
 124 #include "i18n.h"
 125
 126 using namespace ARDOUR;
 127 using namespace PBD;
 128 using namespace Gtkmm2ext;
 129 using namespace Gtk;
 130 using namespace std;
 131
 132 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 133 UIConfiguration *ARDOUR_UI::ui_config = 0;
 134
 135 sigc::signal<void,bool> ARDOUR_UI::Blink;
 136 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 137 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 138 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 139
 140 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 141
 142         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 143
 144         , gui_object_state (new GUIObjectState)
 145         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 146         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 147
 148           /* big clock */
 149
 150         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 151
 152           /* transport */
 153
 154         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 155         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 156         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 157         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 158         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 159         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 160         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 161
 162         , auto_return_button (ArdourButton::led_default_elements)
 163         , follow_edits_button (ArdourButton::led_default_elements)
 164         , auto_input_button (ArdourButton::led_default_elements)
 165
 166         , auditioning_alert_button (_("audition"))
 167         , solo_alert_button (_("solo"))
 168         , feedback_alert_button (_("feedback"))
 169
 170         , error_log_button (_("Errors"))
 171
 172         , _status_bar_visibility (X_("status-bar"))
 173         , _feedback_exists (false)
 174
 175 {
 176         Gtkmm2ext::init(localedir);
 177
 178         about = 0;
 179         splash = 0;
 180         _startup = 0;
 181
 182         if (theArdourUI == 0) {
 183                 theArdourUI = this;
 184         }
 185
 186         ui_config = new UIConfiguration();
 187         theme_manager = new ThemeManager();
 188
 189         key_editor = 0;
 190
 191         editor = 0;
 192         mixer = 0;
 193         editor = 0;
 194         engine = 0;
 195         _session_is_new = false;
 196         big_clock_window = 0;
 197         big_clock_height = 0;
 198         big_clock_resize_in_progress = false;
 199         session_selector_window = 0;
 200         last_key_press_time = 0;
 201         add_route_dialog = 0;
 202         add_video_dialog = 0;
 203         video_server_process = 0;
 204         route_params = 0;
 205         bundle_manager = 0;
 206         rc_option_editor = 0;
 207         session_option_editor = 0;
 208         location_ui = 0;
 209         open_session_selector = 0;
 210         have_configure_timeout = false;
 211         have_disk_speed_dialog_displayed = false;
 212         session_loaded = false;
 213         ignore_dual_punch = false;
 214         original_big_clock_width = -1;
 215         original_big_clock_height = -1;
 216         original_big_clock_font_size = 0;
 217
 218         roll_button.set_controllable (roll_controllable);
 219         stop_button.set_controllable (stop_controllable);
 220         goto_start_button.set_controllable (goto_start_controllable);
 221         goto_end_button.set_controllable (goto_end_controllable);
 222         auto_loop_button.set_controllable (auto_loop_controllable);
 223         play_selection_button.set_controllable (play_selection_controllable);
 224         rec_button.set_controllable (rec_controllable);
 225
 226         roll_button.set_name ("transport button");
 227         stop_button.set_name ("transport button");
 228         goto_start_button.set_name ("transport button");
 229         goto_end_button.set_name ("transport button");
 230         auto_loop_button.set_name ("transport button");
 231         play_selection_button.set_name ("transport button");
 232         rec_button.set_name ("transport recenable button");
 233         midi_panic_button.set_name ("transport button");
 234
 235         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 236         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 237         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 238
 239         last_configure_time= 0;
 240         last_peak_grab = 0;
 241
 242         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 243         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 244
 245         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 246
 247         /* handle dialog requests */
 248
 249         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 250
 251         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 252
 253         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 254
 255         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 256
 257         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 258
 259         /* handle requests to quit (coming from JACK session) */
 260
 261         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 262
 263         /* tell the user about feedback */
 264
 265         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 266         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 267
 268         /* handle requests to deal with missing files */
 269
 270         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 271
 272         /* and ambiguous files */
 273
 274         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 275
 276         /* lets get this party started */
 277
 278         try {
 279                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization, localedir)) {
 280                         throw failed_constructor ();
 281                 }
 282
 283                 setup_gtk_ardour_enums ();
 284                 setup_profile ();
 285
 286                 SessionEvent::create_per_thread_pool ("GUI", 512);
 287
 288         } catch (failed_constructor& err) {
 289                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 290                 // pass it on up
 291                 throw;
 292         }
 293
 294         /* we like keyboards */
 295
 296         keyboard = new ArdourKeyboard(*this);
 297
 298         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 299         if (node) {
 300                 keyboard->set_state (*node, Stateful::loading_state_version);
 301         }
 302
 303         /* we don't like certain modifiers */
 304         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 305
 306         reset_dpi();
 307
 308         TimeAxisViewItem::set_constant_heights ();
 309
 310         /* The following must happen after ARDOUR::init() so that Config is set up */
 311
 312         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
 313         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
 314         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
 315
 316         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 317                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
 318                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
 319                         Config->extra_xml (X_("UI")),
 320                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
 321                         );
 322         }
 323
 324         setup_clock ();
 325
 326         SpeakerDialog* s = new SpeakerDialog ();
 327         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
 328         speaker_config_window->set (s);
 329
 330         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 331         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 332
 333         _process_thread = new ProcessThread ();
 334         _process_thread->init ();
 335
 336         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 337 }
 338
 339
 340 int
 341 ARDOUR_UI::create_engine ()
 342 {
 343         // this gets called every time by new_session()
 344
 345         if (engine) {
 346                 return 0;
 347         }
 348
 349         loading_message (_("Starting audio engine"));
 350
 351         try {
 352                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 353
 354         } catch (...) {
 355
 356                 return -1;
 357         }
 358
 359         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 360         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 361         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 362
 363         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 364
 365         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 366
 367         post_engine ();
 368
 369         return 0;
 370 }
 371
 372 void
 373 ARDOUR_UI::post_engine ()
 374 {
 375         /* Things to be done once we create the AudioEngine
 376          */
 377
 378         ARDOUR::init_post_engine ();
 379
 380         /* load up the UI manager */
 381
 382         ActionManager::init ();
 383
 384         _tooltips.enable();
 385
 386         if (setup_windows ()) {
 387                 throw failed_constructor ();
 388         }
 389
 390         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 391         XMLNode* n = Config->extra_xml (X_("UI"));
 392         if (n) {
 393                 _status_bar_visibility.set_state (*n);
 394         }
 395
 396         check_memory_locking();
 397
 398         /* this is the first point at which all the keybindings are available */
 399
 400         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 401                 vector<string> names;
 402                 vector<string> paths;
 403                 vector<string> tooltips;
 404                 vector<string> keys;
 405                 vector<AccelKey> bindings;
 406
 407                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 408
 409                 vector<string>::iterator n;
 410                 vector<string>::iterator k;
 411                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 412                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 413                 }
 414
 415                 exit (0);
 416         }
 417
 418         blink_timeout_tag = -1;
 419
 420         /* this being a GUI and all, we want peakfiles */
 421
 422         AudioFileSource::set_build_peakfiles (true);
 423         AudioFileSource::set_build_missing_peakfiles (true);
 424
 425         /* set default clock modes */
 426
 427         if (Profile->get_sae()) {
 428                 primary_clock->set_mode (AudioClock::BBT);
 429                 secondary_clock->set_mode (AudioClock::MinSec);
 430         }  else {
 431                 primary_clock->set_mode (AudioClock::Timecode);
 432                 secondary_clock->set_mode (AudioClock::BBT);
 433         }
 434
 435         /* start the time-of-day-clock */
 436
 437 #ifndef GTKOSX
 438         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 439         update_wall_clock ();
 440         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 441 #endif
 442
 443         update_disk_space ();
 444         update_cpu_load ();
 445         update_sample_rate (engine->frame_rate());
 446         update_timecode_format ();
 447
 448         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 449         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 450         Config->map_parameters (pc);
 451
 452         /* now start and maybe save state */
 453
 454         if (do_engine_start () == 0) {
 455                 if (_session && _session_is_new) {
 456                         /* we need to retain initial visual
 457                            settings for a new session
 458                         */
 459                         _session->save_state ("");
 460                 }
 461         }
 462 }
 463
 464 ARDOUR_UI::~ARDOUR_UI ()
 465 {
 466         delete keyboard;
 467         delete editor;
 468         delete mixer;
 469         delete add_route_dialog;
 470         if (add_video_dialog) {
 471                 delete add_video_dialog;
 472         }
 473         stop_video_server();
 474 }
 475
 476 void
 477 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 478 {
 479         if (Splash::instance()) {
 480                 Splash::instance()->pop_back_for (win);
 481         }
 482 }
 483
 484 gint
 485 ARDOUR_UI::configure_timeout ()
 486 {
 487         if (last_configure_time == 0) {
 488                 /* no configure events yet */
 489                 return true;
 490         }
 491
 492         /* force a gap of 0.5 seconds since the last configure event
 493          */
 494
 495         if (get_microseconds() - last_configure_time < 500000) {
 496                 return true;
 497         } else {
 498                 have_configure_timeout = false;
 499                 save_ardour_state ();
 500                 return false;
 501         }
 502 }
 503
 504 gboolean
 505 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 506 {
 507         if (have_configure_timeout) {
 508                 last_configure_time = get_microseconds();
 509         } else {
 510                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 511                 have_configure_timeout = true;
 512         }
 513
 514         return FALSE;
 515 }
 516
 517 void
 518 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 519 {
 520         const XMLProperty* prop;
 521
 522         if ((prop = node.property ("roll")) != 0) {
 523                 roll_controllable->set_id (prop->value());
 524         }
 525         if ((prop = node.property ("stop")) != 0) {
 526                 stop_controllable->set_id (prop->value());
 527         }
 528         if ((prop = node.property ("goto-start")) != 0) {
 529                 goto_start_controllable->set_id (prop->value());
 530         }
 531         if ((prop = node.property ("goto-end")) != 0) {
 532                 goto_end_controllable->set_id (prop->value());
 533         }
 534         if ((prop = node.property ("auto-loop")) != 0) {
 535                 auto_loop_controllable->set_id (prop->value());
 536         }
 537         if ((prop = node.property ("play-selection")) != 0) {
 538                 play_selection_controllable->set_id (prop->value());
 539         }
 540         if ((prop = node.property ("rec")) != 0) {
 541                 rec_controllable->set_id (prop->value());
 542         }
 543         if ((prop = node.property ("shuttle")) != 0) {
 544                 shuttle_box->controllable()->set_id (prop->value());
 545         }
 546 }
 547
 548 XMLNode&
 549 ARDOUR_UI::get_transport_controllable_state ()
 550 {
 551         XMLNode* node = new XMLNode(X_("TransportControllables"));
 552         char buf[64];
 553
 554         roll_controllable->id().print (buf, sizeof (buf));
 555         node->add_property (X_("roll"), buf);
 556         stop_controllable->id().print (buf, sizeof (buf));
 557         node->add_property (X_("stop"), buf);
 558         goto_start_controllable->id().print (buf, sizeof (buf));
 559         node->add_property (X_("goto_start"), buf);
 560         goto_end_controllable->id().print (buf, sizeof (buf));
 561         node->add_property (X_("goto_end"), buf);
 562         auto_loop_controllable->id().print (buf, sizeof (buf));
 563         node->add_property (X_("auto_loop"), buf);
 564         play_selection_controllable->id().print (buf, sizeof (buf));
 565         node->add_property (X_("play_selection"), buf);
 566         rec_controllable->id().print (buf, sizeof (buf));
 567         node->add_property (X_("rec"), buf);
 568         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 569         node->add_property (X_("shuttle"), buf);
 570
 571         return *node;
 572 }
 573
 574
 575 gint
 576 ARDOUR_UI::autosave_session ()
 577 {
 578         if (g_main_depth() > 1) {
 579                 /* inside a recursive main loop,
 580                    give up because we may not be able to
 581                    take a lock.
 582                 */
 583                 return 1;
 584         }
 585
 586         if (!Config->get_periodic_safety_backups()) {
 587                 return 1;
 588         }
 589
 590         if (_session) {
 591                 _session->maybe_write_autosave();
 592         }
 593
 594         return 1;
 595 }
 596
 597 void
 598 ARDOUR_UI::update_autosave ()
 599 {
 600         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 601
 602         if (_session && _session->dirty()) {
 603                 if (_autosave_connection.connected()) {
 604                         _autosave_connection.disconnect();
 605                 }
 606
 607                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 608                                 Config->get_periodic_safety_backup_interval() * 1000);
 609
 610         } else {
 611                 if (_autosave_connection.connected()) {
 612                         _autosave_connection.disconnect();
 613                 }
 614         }
 615 }
 616
 617 void
 618 ARDOUR_UI::check_announcements ()
 619 {
 620 #ifdef PHONE_HOME
 621         string _annc_filename;
 622
 623 #ifdef __APPLE__
 624         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 625 #else
 626         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 627 #endif
 628         _annc_filename.append (VERSIONSTRING);
 629
 630         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 631         std::ifstream announce_file (path.c_str());
 632         if ( announce_file.fail() )
 633                 _announce_string = "";
 634         else {
 635                 std::stringstream oss;
 636                 oss << announce_file.rdbuf();
 637                 _announce_string = oss.str();
 638         }
 639
 640         pingback (VERSIONSTRING, path);
 641 #endif
 642 }
 643
 644 void
 645 ARDOUR_UI::startup ()
 646 {
 647         Application* app = Application::instance ();
 648         char *nsm_url;
 649         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 650         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 651
 652         if (ARDOUR_COMMAND_LINE::check_announcements) {
 653                 check_announcements ();
 654         }
 655
 656         app->ready ();
 657
 658         nsm_url = getenv ("NSM_URL");
 659         nsm = 0;
 660
 661         if (nsm_url) {
 662                 nsm = new NSM_Client;
 663                 if (!nsm->init (nsm_url)) {
 664                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 665
 666                         unsigned int i = 0;
 667                         // wait for announce reply from nsm server
 668                         for ( i = 0; i < 5000; ++i) {
 669                                 nsm->check ();
 670                                 usleep (i);
 671                                 if (nsm->is_active())
 672                                         break;
 673                         }
 674                         // wait for open command from nsm server
 675                         for ( i = 0; i < 5000; ++i) {
 676                                 nsm->check ();
 677                                 usleep (1000);
 678                                 if (nsm->client_id ())
 679                                         break;
 680                         }
 681
 682                         if (_session && nsm) {
 683                                 _session->set_nsm_state( nsm->is_active() );
 684                         }
 685
 686                         // nsm requires these actions disabled
 687                         vector<string> action_names;
 688                         action_names.push_back("SaveAs");
 689                         action_names.push_back("Rename");
 690                         action_names.push_back("New");
 691                         action_names.push_back("Open");
 692                         action_names.push_back("Recent");
 693                         action_names.push_back("Close");
 694
 695                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 696                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 697                                 if (act) {
 698                                         act->set_sensitive (false);
 699                                 }
 700                         }
 701
 702                 }
 703                 else {
 704                         delete nsm;
 705                         nsm = 0;
 706                 }
 707         }
 708
 709         else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 710                 exit (1);
 711         }
 712
 713         use_config ();
 714
 715         goto_editor_window ();
 716
 717         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
 718            to be opened on top of the editor window that goto_editor_window() just opened.
 719         */
 720         add_window_proxy (location_ui);
 721         add_window_proxy (big_clock_window);
 722         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 723                 add_window_proxy (_global_port_matrix[*i]);
 724         }
 725
 726         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 727          * editor window, and we may want stuff to be hidden.
 728          */
 729         _status_bar_visibility.update ();
 730
 731         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 732 }
 733
 734 void
 735 ARDOUR_UI::no_memory_warning ()
 736 {
 737         XMLNode node (X_("no-memory-warning"));
 738         Config->add_instant_xml (node);
 739 }
 740
 741 void
 742 ARDOUR_UI::check_memory_locking ()
 743 {
 744 #ifdef __APPLE__
 745         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 746         return;
 747 #else // !__APPLE__
 748
 749         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 750
 751         if (engine->is_realtime() && memory_warning_node == 0) {
 752
 753                 struct rlimit limits;
 754                 int64_t ram;
 755                 long pages, page_size;
 756 #ifdef __FreeBSD__
 757                 size_t pages_len=sizeof(pages);
 758                 if ((page_size = getpagesize()) < 0 ||
 759                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 760 #else
 761                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 762 #endif
 763                 {
 764                         ram = 0;
 765                 } else {
 766                         ram = (int64_t) pages * (int64_t) page_size;
 767                 }
 768
 769                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 770                         return;
 771                 }
 772
 773                 if (limits.rlim_cur != RLIM_INFINITY) {
 774
 775                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 776
 777                                 MessageDialog msg (
 778                                         string_compose (
 779                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 780                                                   "This might cause %1 to run out of memory before your system "
 781                                                   "runs out of memory. \n\n"
 782                                                   "You can view the memory limit with 'ulimit -l', "
 783                                                   "and it is normally controlled by %2"),
 784                                                 PROGRAM_NAME).c_str(),
 785 #ifdef __FreeBSD__
 786                                         X_("/etc/login.conf")
 787 #else
 788                                         X_(" /etc/security/limits.conf")
 789 #endif
 790                                         );
 791
 792                                 msg.set_default_response (RESPONSE_OK);
 793
 794                                 VBox* vbox = msg.get_vbox();
 795                                 HBox hbox;
 796                                 CheckButton cb (_("Do not show this window again"));
 797
 798                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 799
 800                                 hbox.pack_start (cb, true, false);
 801                                 vbox->pack_start (hbox);
 802                                 cb.show();
 803                                 vbox->show();
 804                                 hbox.show ();
 805
 806                                 pop_back_splash (msg);
 807
 808                                 editor->ensure_float (msg);
 809                                 msg.run ();
 810                         }
 811                 }
 812         }
 813 #endif // !__APPLE__
 814 }
 815
 816
 817 void
 818 ARDOUR_UI::queue_finish ()
 819 {
 820         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 821 }
 822
 823 bool
 824 ARDOUR_UI::idle_finish ()
 825 {
 826         finish ();
 827         return false; /* do not call again */
 828 }
 829
 830 void
 831 ARDOUR_UI::finish()
 832 {
 833         if (_session) {
 834                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 835
 836                 if (_session->dirty()) {
 837                         vector<string> actions;
 838                         actions.push_back (_("Don't quit"));
 839                         actions.push_back (_("Just quit"));
 840                         actions.push_back (_("Save and quit"));
 841                         switch (ask_about_saving_session(actions)) {
 842                         case -1:
 843                                 return;
 844                                 break;
 845                         case 1:
 846                                 /* use the default name */
 847                                 if (save_state_canfail ("")) {
 848                                         /* failed - don't quit */
 849                                         MessageDialog msg (*editor,
 850                                                            string_compose (_("\
 851 %1 was unable to save your session.\n\n\
 852 If you still wish to quit, please use the\n\n\
 853 \"Just quit\" option."), PROGRAM_NAME));
 854                                         pop_back_splash(msg);
 855                                         msg.run ();
 856                                         return;
 857                                 }
 858                                 break;
 859                         case 0:
 860                                 break;
 861                         }
 862                 }
 863
 864                 second_connection.disconnect ();
 865                 point_one_second_connection.disconnect ();
 866                 point_oh_five_second_connection.disconnect ();
 867                 point_zero_one_second_connection.disconnect();
 868         }
 869
 870         delete ARDOUR_UI::instance()->video_timeline;
 871         stop_video_server();
 872
 873         /* Save state before deleting the session, as that causes some
 874            windows to be destroyed before their visible state can be
 875            saved.
 876         */
 877         save_ardour_state ();
 878
 879         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 880
 881         if (_session) {
 882                 // _session->set_deletion_in_progress ();
 883                 _session->set_clean ();
 884                 _session->remove_pending_capture_state ();
 885                 delete _session;
 886                 _session = 0;
 887         }
 888
 889         ArdourDialog::close_all_dialogs ();
 890         engine->stop (true);
 891         quit ();
 892 }
 893
 894 int
 895 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 896 {
 897         ArdourDialog window (_("Unsaved Session"));
 898         Gtk::HBox dhbox;  // the hbox for the image and text
 899         Gtk::Label  prompt_label;
 900         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 901
 902         string msg;
 903
 904         assert (actions.size() >= 3);
 905
 906         window.add_button (actions[0], RESPONSE_REJECT);
 907         window.add_button (actions[1], RESPONSE_APPLY);
 908         window.add_button (actions[2], RESPONSE_ACCEPT);
 909
 910         window.set_default_response (RESPONSE_ACCEPT);
 911
 912         Gtk::Button noquit_button (msg);
 913         noquit_button.set_name ("EditorGTKButton");
 914
 915         string prompt;
 916
 917         if (_session->snap_name() == _session->name()) {
 918                 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?"),
 919                                         _session->snap_name());
 920         } else {
 921                 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?"),
 922                                         _session->snap_name());
 923         }
 924
 925         prompt_label.set_text (prompt);
 926         prompt_label.set_name (X_("PrompterLabel"));
 927         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 928
 929         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 930         dhbox.set_homogeneous (false);
 931         dhbox.pack_start (*dimage, false, false, 5);
 932         dhbox.pack_start (prompt_label, true, false, 5);
 933         window.get_vbox()->pack_start (dhbox);
 934
 935         window.set_name (_("Prompter"));
 936         window.set_modal (true);
 937         window.set_resizable (false);
 938
 939         dhbox.show();
 940         prompt_label.show();
 941         dimage->show();
 942         window.show();
 943         window.set_keep_above (true);
 944         window.present ();
 945
 946         ResponseType r = (ResponseType) window.run();
 947
 948         window.hide ();
 949
 950         switch (r) {
 951         case RESPONSE_ACCEPT: // save and get out of here
 952                 return 1;
 953         case RESPONSE_APPLY:  // get out of here
 954                 return 0;
 955         default:
 956                 break;
 957         }
 958
 959         return -1;
 960 }
 961
 962
 963 gint
 964 ARDOUR_UI::every_second ()
 965 {
 966         update_cpu_load ();
 967         update_buffer_load ();
 968         update_disk_space ();
 969         update_timecode_format ();
 970
 971         if (nsm && nsm->is_active ()) {
 972                 nsm->check ();
 973
 974                 if (!_was_dirty && _session->dirty ()) {
 975                         nsm->is_dirty ();
 976                         _was_dirty = true;
 977                 }
 978                 else if (_was_dirty && !_session->dirty ()){
 979                         nsm->is_clean ();
 980                         _was_dirty = false;
 981                 }
 982         }
 983         return TRUE;
 984 }
 985
 986 gint
 987 ARDOUR_UI::every_point_one_seconds ()
 988 {
 989         shuttle_box->update_speed_display ();
 990         RapidScreenUpdate(); /* EMIT_SIGNAL */
 991         return TRUE;
 992 }
 993
 994 gint
 995 ARDOUR_UI::every_point_zero_one_seconds ()
 996 {
 997         // august 2007: actual update frequency: 40Hz, not 100Hz
 998
 999         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1000         return TRUE;
1001 }
1002
1003 void
1004 ARDOUR_UI::update_sample_rate (framecnt_t)
1005 {
1006         char buf[64];
1007
1008         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1009
1010         if (!engine->connected()) {
1011
1012                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1013
1014         } else {
1015
1016                 framecnt_t rate = engine->frame_rate();
1017
1018                 if (fmod (rate, 1000.0) != 0.0) {
1019                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1020                                   (float) rate/1000.0f,
1021                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1022                 } else {
1023                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1024                                   rate/1000,
1025                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1026                 }
1027         }
1028
1029         sample_rate_label.set_markup (buf);
1030 }
1031
1032 void
1033 ARDOUR_UI::update_format ()
1034 {
1035         if (!_session) {
1036                 format_label.set_text ("");
1037                 return;
1038         }
1039
1040         stringstream s;
1041         s << _("File:") << X_(" <span foreground=\"green\">");
1042
1043         switch (_session->config.get_native_file_header_format ()) {
1044         case BWF:
1045                 s << _("BWF");
1046                 break;
1047         case WAVE:
1048                 s << _("WAV");
1049                 break;
1050         case WAVE64:
1051                 s << _("WAV64");
1052                 break;
1053         case CAF:
1054                 s << _("CAF");
1055                 break;
1056         case AIFF:
1057                 s << _("AIFF");
1058                 break;
1059         case iXML:
1060                 s << _("iXML");
1061                 break;
1062         case RF64:
1063                 s << _("RF64");
1064                 break;
1065         }
1066
1067         s << " ";
1068
1069         switch (_session->config.get_native_file_data_format ()) {
1070         case FormatFloat:
1071                 s << _("32-float");
1072                 break;
1073         case FormatInt24:
1074                 s << _("24-int");
1075                 break;
1076         case FormatInt16:
1077                 s << _("16-int");
1078                 break;
1079         }
1080
1081         s << X_("</span>");
1082
1083         format_label.set_markup (s.str ());
1084 }
1085
1086 void
1087 ARDOUR_UI::update_cpu_load ()
1088 {
1089         char buf[64];
1090
1091         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1092            should also be changed.
1093         */
1094
1095         float const c = engine->get_cpu_load ();
1096         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1097         cpu_load_label.set_markup (buf);
1098 }
1099
1100 void
1101 ARDOUR_UI::update_buffer_load ()
1102 {
1103         char buf[256];
1104
1105         uint32_t const playback = _session ? _session->playback_load () : 100;
1106         uint32_t const capture = _session ? _session->capture_load () : 100;
1107
1108         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1109            should also be changed.
1110         */
1111
1112         if (_session) {
1113                 snprintf (
1114                         buf, sizeof (buf),
1115                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1116                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1117                         playback <= 5 ? X_("red") : X_("green"),
1118                         playback,
1119                         capture <= 5 ? X_("red") : X_("green"),
1120                         capture
1121                         );
1122
1123                 buffer_load_label.set_markup (buf);
1124         } else {
1125                 buffer_load_label.set_text ("");
1126         }
1127 }
1128
1129 void
1130 ARDOUR_UI::count_recenabled_streams (Route& route)
1131 {
1132         Track* track = dynamic_cast<Track*>(&route);
1133         if (track && track->record_enabled()) {
1134                 rec_enabled_streams += track->n_inputs().n_total();
1135         }
1136 }
1137
1138 void
1139 ARDOUR_UI::update_disk_space()
1140 {
1141         if (_session == 0) {
1142                 return;
1143         }
1144
1145         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1146         char buf[64];
1147         framecnt_t fr = _session->frame_rate();
1148
1149         if (!opt_frames) {
1150                 /* Available space is unknown */
1151                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1152         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1153                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1154         } else {
1155                 rec_enabled_streams = 0;
1156                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1157
1158                 framecnt_t frames = opt_frames.get_value_or (0);
1159
1160                 if (rec_enabled_streams) {
1161                         frames /= rec_enabled_streams;
1162                 }
1163
1164                 int hrs;
1165                 int mins;
1166                 int secs;
1167
1168                 hrs  = frames / (fr * 3600);
1169
1170                 if (hrs > 24) {
1171                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1172                 } else {
1173                         frames -= hrs * fr * 3600;
1174                         mins = frames / (fr * 60);
1175                         frames -= mins * fr * 60;
1176                         secs = frames / fr;
1177
1178                         bool const low = (hrs == 0 && mins <= 30);
1179
1180                         snprintf (
1181                                 buf, sizeof(buf),
1182                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1183                                 low ? X_("red") : X_("green"),
1184                                 hrs, mins, secs
1185                                 );
1186                 }
1187         }
1188
1189         disk_space_label.set_markup (buf);
1190 }
1191
1192 void
1193 ARDOUR_UI::update_timecode_format ()
1194 {
1195         char buf[64];
1196
1197         if (_session) {
1198                 bool matching;
1199                 TimecodeSlave* tcslave;
1200                 SyncSource sync_src = Config->get_sync_source();
1201
1202                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1203                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1204                 } else {
1205                         matching = true;
1206                 }
1207
1208                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1209                           matching ? X_("green") : X_("red"),
1210                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1211         } else {
1212                 snprintf (buf, sizeof (buf), "TC: n/a");
1213         }
1214
1215         timecode_format_label.set_markup (buf);
1216 }
1217
1218 gint
1219 ARDOUR_UI::update_wall_clock ()
1220 {
1221         time_t now;
1222         struct tm *tm_now;
1223         static int last_min = -1;
1224
1225         time (&now);
1226         tm_now = localtime (&now);
1227         if (last_min != tm_now->tm_min) {
1228                 char buf[16];
1229                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1230                 wall_clock_label.set_text (buf);
1231                 last_min = tm_now->tm_min;
1232         }
1233
1234         return TRUE;
1235 }
1236
1237 void
1238 ARDOUR_UI::redisplay_recent_sessions ()
1239 {
1240         std::vector<std::string> session_directories;
1241         RecentSessionsSorter cmp;
1242
1243         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1244         recent_session_model->clear ();
1245
1246         ARDOUR::RecentSessions rs;
1247         ARDOUR::read_recent_sessions (rs);
1248
1249         if (rs.empty()) {
1250                 recent_session_display.set_model (recent_session_model);
1251                 return;
1252         }
1253
1254         // sort them alphabetically
1255         sort (rs.begin(), rs.end(), cmp);
1256
1257         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1258                 session_directories.push_back ((*i).second);
1259         }
1260
1261         for (vector<std::string>::const_iterator i = session_directories.begin();
1262                         i != session_directories.end(); ++i)
1263         {
1264                 std::vector<std::string> state_file_paths;
1265
1266                 // now get available states for this session
1267
1268                 get_state_files_in_directory (*i, state_file_paths);
1269
1270                 vector<string*>* states;
1271                 vector<const gchar*> item;
1272                 string fullpath = *i;
1273
1274                 /* remove any trailing / */
1275
1276                 if (fullpath[fullpath.length() - 1] == '/') {
1277                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1278                 }
1279
1280                 /* check whether session still exists */
1281                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1282                         /* session doesn't exist */
1283                         continue;
1284                 }
1285
1286                 /* now get available states for this session */
1287
1288                 if ((states = Session::possible_states (fullpath)) == 0) {
1289                         /* no state file? */
1290                         continue;
1291                 }
1292
1293                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1294
1295                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1296
1297                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1298                 row[recent_session_columns.fullpath] = fullpath;
1299                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1300
1301                 if (state_file_names.size() > 1) {
1302
1303                         // add the children
1304
1305                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1306                                         i2 != state_file_names.end(); ++i2)
1307                         {
1308
1309                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1310
1311                                 child_row[recent_session_columns.visible_name] = *i2;
1312                                 child_row[recent_session_columns.fullpath] = fullpath;
1313                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1314                         }
1315                 }
1316         }
1317
1318         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1319         recent_session_display.set_model (recent_session_model);
1320 }
1321
1322 void
1323 ARDOUR_UI::build_session_selector ()
1324 {
1325         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1326
1327         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1328
1329         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1330         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1331         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1332         recent_session_model = TreeStore::create (recent_session_columns);
1333         recent_session_display.set_model (recent_session_model);
1334         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1335         recent_session_display.set_headers_visible (false);
1336         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1337         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1338
1339         scroller->add (recent_session_display);
1340         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1341
1342         session_selector_window->set_name ("SessionSelectorWindow");
1343         session_selector_window->set_size_request (200, 400);
1344         session_selector_window->get_vbox()->pack_start (*scroller);
1345
1346         recent_session_display.show();
1347         scroller->show();
1348 }
1349
1350 void
1351 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1352 {
1353         session_selector_window->response (RESPONSE_ACCEPT);
1354 }
1355
1356 void
1357 ARDOUR_UI::open_recent_session ()
1358 {
1359         bool can_return = (_session != 0);
1360
1361         if (session_selector_window == 0) {
1362                 build_session_selector ();
1363         }
1364
1365         redisplay_recent_sessions ();
1366
1367         while (true) {
1368
1369                 ResponseType r = (ResponseType) session_selector_window->run ();
1370
1371                 switch (r) {
1372                 case RESPONSE_ACCEPT:
1373                         break;
1374                 default:
1375                         if (can_return) {
1376                                 session_selector_window->hide();
1377                                 return;
1378                         } else {
1379                                 exit (1);
1380                         }
1381                 }
1382
1383                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1384                         continue;
1385                 }
1386
1387                 session_selector_window->hide();
1388
1389                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1390
1391                 if (i == recent_session_model->children().end()) {
1392                         return;
1393                 }
1394
1395                 std::string path = (*i)[recent_session_columns.fullpath];
1396                 std::string state = (*i)[recent_session_columns.visible_name];
1397
1398                 _session_is_new = false;
1399
1400                 if (load_session (path, state) == 0) {
1401                         break;
1402                 }
1403
1404                 can_return = false;
1405         }
1406 }
1407
1408 bool
1409 ARDOUR_UI::check_audioengine ()
1410 {
1411         if (engine) {
1412                 if (!engine->connected()) {
1413                         MessageDialog msg (string_compose (
1414                                                    _("%1 is not connected to JACK\n"
1415                                                      "You cannot open or close sessions in this condition"),
1416                                                    PROGRAM_NAME));
1417                         pop_back_splash (msg);
1418                         msg.run ();
1419                         return false;
1420                 }
1421                 return true;
1422         } else {
1423                 return false;
1424         }
1425 }
1426
1427 void
1428 ARDOUR_UI::open_session ()
1429 {
1430         if (!check_audioengine()) {
1431                 return;
1432
1433         }
1434
1435         /* popup selector window */
1436
1437         if (open_session_selector == 0) {
1438
1439                 /* ardour sessions are folders */
1440
1441                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1442                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1443                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1444                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1445
1446                 if (_session) {
1447                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1448                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1449                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1450                         open_session_selector->set_current_folder(session_parent_dir);
1451                 } else {
1452                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1453                 }
1454
1455                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1456
1457                 FileFilter session_filter;
1458                 session_filter.add_pattern ("*.ardour");
1459                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1460                 open_session_selector->add_filter (session_filter);
1461                 open_session_selector->set_filter (session_filter);
1462         }
1463
1464         int response = open_session_selector->run();
1465         open_session_selector->hide ();
1466
1467         switch (response) {
1468         case RESPONSE_ACCEPT:
1469                 break;
1470         default:
1471                 open_session_selector->hide();
1472                 return;
1473         }
1474
1475         open_session_selector->hide();
1476         string session_path = open_session_selector->get_filename();
1477         string path, name;
1478         bool isnew;
1479
1480         if (session_path.length() > 0) {
1481                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1482                         _session_is_new = isnew;
1483                         load_session (path, name);
1484                 }
1485         }
1486 }
1487
1488
1489 void
1490 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1491                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1492 {
1493         list<boost::shared_ptr<MidiTrack> > tracks;
1494
1495         if (_session == 0) {
1496                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1497                 return;
1498         }
1499
1500         try {
1501                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1502
1503                 if (tracks.size() != how_many) {
1504                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1505                 }
1506         }
1507
1508         catch (...) {
1509                 MessageDialog msg (*editor,
1510                                    string_compose (_("There are insufficient JACK ports available\n\
1511 to create a new track or bus.\n\
1512 You should save %1, exit and\n\
1513 restart JACK with more ports."), PROGRAM_NAME));
1514                 msg.run ();
1515         }
1516 }
1517
1518
1519 void
1520 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1521 {
1522         ChanCount one_midi_channel;
1523         one_midi_channel.set (DataType::MIDI, 1);
1524
1525         if (disk) {
1526                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1527         }
1528 }
1529
1530 void
1531 ARDOUR_UI::session_add_audio_route (
1532         bool track,
1533         int32_t input_channels,
1534         int32_t output_channels,
1535         ARDOUR::TrackMode mode,
1536         RouteGroup* route_group,
1537         uint32_t how_many,
1538         string const & name_template
1539         )
1540 {
1541         list<boost::shared_ptr<AudioTrack> > tracks;
1542         RouteList routes;
1543
1544         if (_session == 0) {
1545                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1546                 return;
1547         }
1548
1549         try {
1550                 if (track) {
1551                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1552
1553                         if (tracks.size() != how_many) {
1554                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1555                                       << endmsg;
1556                         }
1557
1558                 } else {
1559
1560                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1561
1562                         if (routes.size() != how_many) {
1563                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1564                                       << endmsg;
1565                         }
1566                 }
1567         }
1568
1569         catch (...) {
1570                 MessageDialog msg (*editor,
1571                                    string_compose (_("There are insufficient JACK ports available\n\
1572 to create a new track or bus.\n\
1573 You should save %1, exit and\n\
1574 restart JACK with more ports."), PROGRAM_NAME));
1575                 pop_back_splash (msg);
1576                 msg.run ();
1577         }
1578 }
1579
1580 void
1581 ARDOUR_UI::transport_goto_start ()
1582 {
1583         if (_session) {
1584                 _session->goto_start();
1585
1586                 /* force displayed area in editor to start no matter
1587                    what "follow playhead" setting is.
1588                 */
1589
1590                 if (editor) {
1591                         editor->center_screen (_session->current_start_frame ());
1592                 }
1593         }
1594 }
1595
1596 void
1597 ARDOUR_UI::transport_goto_zero ()
1598 {
1599         if (_session) {
1600                 _session->request_locate (0);
1601
1602                 /* force displayed area in editor to start no matter
1603                    what "follow playhead" setting is.
1604                 */
1605
1606                 if (editor) {
1607                         editor->reset_x_origin (0);
1608                 }
1609         }
1610 }
1611
1612 void
1613 ARDOUR_UI::transport_goto_wallclock ()
1614 {
1615         if (_session && editor) {
1616
1617                 time_t now;
1618                 struct tm tmnow;
1619                 framepos_t frames;
1620
1621                 time (&now);
1622                 localtime_r (&now, &tmnow);
1623
1624                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1625                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1626                 frames += tmnow.tm_sec * _session->frame_rate();
1627
1628                 _session->request_locate (frames, _session->transport_rolling ());
1629
1630                 /* force displayed area in editor to start no matter
1631                    what "follow playhead" setting is.
1632                 */
1633
1634                 if (editor) {
1635                         editor->center_screen (frames);
1636                 }
1637         }
1638 }
1639
1640 void
1641 ARDOUR_UI::transport_goto_end ()
1642 {
1643         if (_session) {
1644                 framepos_t const frame = _session->current_end_frame();
1645                 _session->request_locate (frame);
1646
1647                 /* force displayed area in editor to start no matter
1648                    what "follow playhead" setting is.
1649                 */
1650
1651                 if (editor) {
1652                         editor->center_screen (frame);
1653                 }
1654         }
1655 }
1656
1657 void
1658 ARDOUR_UI::transport_stop ()
1659 {
1660         if (!_session) {
1661                 return;
1662         }
1663
1664         if (_session->is_auditioning()) {
1665                 _session->cancel_audition ();
1666                 return;
1667         }
1668
1669         _session->request_stop (false, true);
1670 }
1671
1672 void
1673 ARDOUR_UI::transport_record (bool roll)
1674 {
1675
1676         if (_session) {
1677                 switch (_session->record_status()) {
1678                 case Session::Disabled:
1679                         if (_session->ntracks() == 0) {
1680                                 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."));
1681                                 msg.run ();
1682                                 return;
1683                         }
1684                         _session->maybe_enable_record ();
1685                         if (roll) {
1686                                 transport_roll ();
1687                         }
1688                         break;
1689                 case Session::Recording:
1690                         if (roll) {
1691                                 _session->request_stop();
1692                         } else {
1693                                 _session->disable_record (false, true);
1694                         }
1695                         break;
1696
1697                 case Session::Enabled:
1698                         _session->disable_record (false, true);
1699                 }
1700         }
1701 }
1702
1703 void
1704 ARDOUR_UI::transport_roll ()
1705 {
1706         if (!_session) {
1707                 return;
1708         }
1709
1710         if (_session->is_auditioning()) {
1711                 return;
1712         }
1713
1714 #if 0
1715         if (_session->config.get_external_sync()) {
1716                 switch (Config->get_sync_source()) {
1717                 case JACK:
1718                         break;
1719                 default:
1720                         /* transport controlled by the master */
1721                         return;
1722                 }
1723         }
1724 #endif
1725
1726         bool rolling = _session->transport_rolling();
1727
1728         if (_session->get_play_loop()) {
1729                 /* XXX it is not possible to just leave seamless loop and keep
1730                    playing at present (nov 4th 2009)
1731                 */
1732                 if (!Config->get_seamless_loop()) {
1733                         _session->request_play_loop (false, true);
1734                 }
1735         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1736                 /* stop playing a range if we currently are */
1737                 _session->request_play_range (0, true);
1738         }
1739
1740         if (!rolling) {
1741                 _session->request_transport_speed (1.0f);
1742         }
1743 }
1744
1745 bool
1746 ARDOUR_UI::get_smart_mode() const
1747 {
1748         return ( editor->get_smart_mode() );
1749 }
1750
1751
1752 void
1753 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1754 {
1755
1756         if (!_session) {
1757                 return;
1758         }
1759
1760         if (_session->is_auditioning()) {
1761                 _session->cancel_audition ();
1762                 return;
1763         }
1764
1765         if (_session->config.get_external_sync()) {
1766                 switch (Config->get_sync_source()) {
1767                 case JACK:
1768                         break;
1769                 default:
1770                         /* transport controlled by the master */
1771                         return;
1772                 }
1773         }
1774
1775         bool rolling = _session->transport_rolling();
1776         bool affect_transport = true;
1777
1778         if (rolling && roll_out_of_bounded_mode) {
1779                 /* drop out of loop/range playback but leave transport rolling */
1780                 if (_session->get_play_loop()) {
1781                         if (Config->get_seamless_loop()) {
1782                                 /* the disk buffers contain copies of the loop - we can't
1783                                    just keep playing, so stop the transport. the user
1784                                    can restart as they wish.
1785                                 */
1786                                 affect_transport = true;
1787                         } else {
1788                                 /* disk buffers are normal, so we can keep playing */
1789                                 affect_transport = false;
1790                         }
1791                         _session->request_play_loop (false, true);
1792                 } else if (_session->get_play_range ()) {
1793                         affect_transport = false;
1794                         _session->request_play_range (0, true);
1795                 }
1796         }
1797
1798         if (affect_transport) {
1799                 if (rolling) {
1800                         _session->request_stop (with_abort, true);
1801                 } else {
1802                         if ( Config->get_always_play_range() ) {
1803                                 _session->request_play_range (&editor->get_selection().time, true);
1804                         }
1805
1806                         _session->request_transport_speed (1.0f);
1807                 }
1808         }
1809 }
1810
1811 void
1812 ARDOUR_UI::toggle_session_auto_loop ()
1813 {
1814         Location * looploc = _session->locations()->auto_loop_location();
1815
1816         if (!_session || !looploc) {
1817                 return;
1818         }
1819
1820         if (_session->get_play_loop()) {
1821
1822                 if (_session->transport_rolling()) {
1823
1824                         _session->request_locate (looploc->start(), true);
1825                         _session->request_play_loop (false);
1826
1827                 } else {
1828                         _session->request_play_loop (false);
1829                 }
1830         } else {
1831                 _session->request_play_loop (true);
1832         }
1833
1834         //show the loop markers
1835         looploc->set_hidden (false, this);
1836 }
1837
1838 void
1839 ARDOUR_UI::transport_play_selection ()
1840 {
1841         if (!_session) {
1842                 return;
1843         }
1844
1845         editor->play_selection ();
1846 }
1847
1848 void
1849 ARDOUR_UI::transport_play_preroll ()
1850 {
1851         if (!_session) {
1852                 return;
1853         }
1854         editor->play_with_preroll ();
1855 }
1856
1857 void
1858 ARDOUR_UI::transport_rewind (int option)
1859 {
1860         float current_transport_speed;
1861
1862         if (_session) {
1863                 current_transport_speed = _session->transport_speed();
1864
1865                 if (current_transport_speed >= 0.0f) {
1866                         switch (option) {
1867                         case 0:
1868                                 _session->request_transport_speed (-1.0f);
1869                                 break;
1870                         case 1:
1871                                 _session->request_transport_speed (-4.0f);
1872                                 break;
1873                         case -1:
1874                                 _session->request_transport_speed (-0.5f);
1875                                 break;
1876                         }
1877                 } else {
1878                         /* speed up */
1879                         _session->request_transport_speed (current_transport_speed * 1.5f);
1880                 }
1881         }
1882 }
1883
1884 void
1885 ARDOUR_UI::transport_forward (int option)
1886 {
1887         if (!_session) {
1888                 return;
1889         }
1890
1891         float current_transport_speed = _session->transport_speed();
1892
1893         if (current_transport_speed <= 0.0f) {
1894                 switch (option) {
1895                 case 0:
1896                         _session->request_transport_speed (1.0f);
1897                         break;
1898                 case 1:
1899                         _session->request_transport_speed (4.0f);
1900                         break;
1901                 case -1:
1902                         _session->request_transport_speed (0.5f);
1903                         break;
1904                 }
1905         } else {
1906                 /* speed up */
1907                 _session->request_transport_speed (current_transport_speed * 1.5f);
1908         }
1909 }
1910
1911 void
1912 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1913 {
1914         if (!_session) {
1915                 return;
1916         }
1917
1918         boost::shared_ptr<Route> r;
1919
1920         if ((r = _session->route_by_remote_id (rid)) != 0) {
1921
1922                 Track* t;
1923
1924                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1925                         t->set_record_enabled (!t->record_enabled(), this);
1926                 }
1927         }
1928 }
1929
1930 void
1931 ARDOUR_UI::map_transport_state ()
1932 {
1933         if (!_session) {
1934                 auto_loop_button.unset_active_state ();
1935                 play_selection_button.unset_active_state ();
1936                 roll_button.unset_active_state ();
1937                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1938                 return;
1939         }
1940
1941         shuttle_box->map_transport_state ();
1942
1943         float sp = _session->transport_speed();
1944
1945         if (sp != 0.0f) {
1946
1947                 /* we're rolling */
1948
1949                 if (_session->get_play_range()) {
1950
1951                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1952                         roll_button.unset_active_state ();
1953                         auto_loop_button.unset_active_state ();
1954
1955                 } else if (_session->get_play_loop ()) {
1956
1957                         auto_loop_button.set_active (true);
1958                         play_selection_button.set_active (false);
1959                         roll_button.set_active (false);
1960
1961                 } else {
1962
1963                         roll_button.set_active (true);
1964                         play_selection_button.set_active (false);
1965                         auto_loop_button.set_active (false);
1966                 }
1967
1968                 if (Config->get_always_play_range()) {
1969                         /* light up both roll and play-selection if they are joined */
1970                         roll_button.set_active (true);
1971                         play_selection_button.set_active (true);
1972                 }
1973
1974                 stop_button.set_active (false);
1975
1976         } else {
1977
1978                 stop_button.set_active (true);
1979                 roll_button.set_active (false);
1980                 play_selection_button.set_active (false);
1981                 auto_loop_button.set_active (false);
1982                 update_disk_space ();
1983         }
1984 }
1985
1986 void
1987 ARDOUR_UI::engine_stopped ()
1988 {
1989         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
1990         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
1991         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
1992 }
1993
1994 void
1995 ARDOUR_UI::engine_running ()
1996 {
1997         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
1998         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
1999         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2000
2001         Glib::RefPtr<Action> action;
2002         const char* action_name = 0;
2003
2004         switch (engine->frames_per_cycle()) {
2005         case 32:
2006                 action_name = X_("JACKLatency32");
2007                 break;
2008         case 64:
2009                 action_name = X_("JACKLatency64");
2010                 break;
2011         case 128:
2012                 action_name = X_("JACKLatency128");
2013                 break;
2014         case 512:
2015                 action_name = X_("JACKLatency512");
2016                 break;
2017         case 1024:
2018                 action_name = X_("JACKLatency1024");
2019                 break;
2020         case 2048:
2021                 action_name = X_("JACKLatency2048");
2022                 break;
2023         case 4096:
2024                 action_name = X_("JACKLatency4096");
2025                 break;
2026         case 8192:
2027                 action_name = X_("JACKLatency8192");
2028                 break;
2029         default:
2030                 /* XXX can we do anything useful ? */
2031                 break;
2032         }
2033
2034         if (action_name) {
2035
2036                 action = ActionManager::get_action (X_("JACK"), action_name);
2037
2038                 if (action) {
2039                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2040                         ract->set_active ();
2041                 }
2042         }
2043 }
2044
2045 void
2046 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2047 {
2048         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2049                 /* we can't rely on the original string continuing to exist when we are called
2050                    again in the GUI thread, so make a copy and note that we need to
2051                    free it later.
2052                 */
2053                 char *copy = strdup (reason);
2054                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2055                 return;
2056         }
2057
2058         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2059         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2060
2061         update_sample_rate (0);
2062
2063         string msgstr;
2064
2065         /* if the reason is a non-empty string, it means that the backend was shutdown
2066            rather than just Ardour.
2067         */
2068
2069         if (strlen (reason)) {
2070                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2071         } else {
2072                 msgstr = string_compose (_("\
2073 JACK has either been shutdown or it\n\
2074 disconnected %1 because %1\n\
2075 was not fast enough. Try to restart\n\
2076 JACK, reconnect and save the session."), PROGRAM_NAME);
2077         }
2078
2079         MessageDialog msg (*editor, msgstr);
2080         pop_back_splash (msg);
2081         msg.set_keep_above (true);
2082         msg.run ();
2083
2084         if (free_reason) {
2085                 free (const_cast<char*> (reason));
2086         }
2087 }
2088
2089 int32_t
2090 ARDOUR_UI::do_engine_start ()
2091 {
2092         try {
2093                 engine->start();
2094         }
2095
2096         catch (...) {
2097                 engine->stop ();
2098                 error << _("Unable to start the session running")
2099                       << endmsg;
2100                 unload_session ();
2101                 return -2;
2102         }
2103
2104         return 0;
2105 }
2106
2107 void
2108 ARDOUR_UI::update_clocks ()
2109 {
2110         if (!editor || !editor->dragging_playhead()) {
2111                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2112         }
2113 }
2114
2115 void
2116 ARDOUR_UI::start_clocking ()
2117 {
2118         if (Config->get_super_rapid_clock_update()) {
2119                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2120         } else {
2121                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2122         }
2123 }
2124
2125 void
2126 ARDOUR_UI::stop_clocking ()
2127 {
2128         clock_signal_connection.disconnect ();
2129 }
2130
2131 gint
2132 ARDOUR_UI::_blink (void *arg)
2133 {
2134         ((ARDOUR_UI *) arg)->blink ();
2135         return TRUE;
2136 }
2137
2138 void
2139 ARDOUR_UI::blink ()
2140 {
2141         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2142 }
2143
2144 void
2145 ARDOUR_UI::start_blinking ()
2146 {
2147         /* Start the blink signal. Everybody with a blinking widget
2148            uses Blink to drive the widget's state.
2149         */
2150
2151         if (blink_timeout_tag < 0) {
2152                 blink_on = false;
2153                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2154         }
2155 }
2156
2157 void
2158 ARDOUR_UI::stop_blinking ()
2159 {
2160         if (blink_timeout_tag >= 0) {
2161                 g_source_remove (blink_timeout_tag);
2162                 blink_timeout_tag = -1;
2163         }
2164 }
2165
2166
2167 /** Ask the user for the name of a new snapshot and then take it.
2168  */
2169
2170 void
2171 ARDOUR_UI::snapshot_session (bool switch_to_it)
2172 {
2173         ArdourPrompter prompter (true);
2174         string snapname;
2175
2176         prompter.set_name ("Prompter");
2177         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2178         prompter.set_title (_("Take Snapshot"));
2179         prompter.set_prompt (_("Name of new snapshot"));
2180
2181         if (!switch_to_it) {
2182                 char timebuf[128];
2183                 time_t n;
2184                 struct tm local_time;
2185
2186                 time (&n);
2187                 localtime_r (&n, &local_time);
2188                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2189                 prompter.set_initial_text (timebuf);
2190         }
2191
2192   again:
2193         switch (prompter.run()) {
2194         case RESPONSE_ACCEPT:
2195         {
2196                 prompter.get_result (snapname);
2197
2198                 bool do_save = (snapname.length() != 0);
2199
2200                 if (do_save) {
2201                         char illegal = Session::session_name_is_legal(snapname);
2202                         if (illegal) {
2203                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2204                                                      "snapshot names may not contain a '%1' character"), illegal));
2205                                 msg.run ();
2206                                 goto again;
2207                         }
2208                 }
2209
2210                 vector<std::string> p;
2211                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2212                 vector<string> n = get_file_names_no_extension (p);
2213                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2214
2215                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2216                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2217                         confirm.get_vbox()->pack_start (m, true, true);
2218                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2219                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2220                         confirm.show_all ();
2221                         switch (confirm.run()) {
2222                         case RESPONSE_CANCEL:
2223                                 do_save = false;
2224                         }
2225                 }
2226
2227                 if (do_save) {
2228                         save_state (snapname, switch_to_it);
2229                 }
2230                 break;
2231         }
2232
2233         default:
2234                 break;
2235         }
2236 }
2237
2238 /** Ask the user for a new session name and then rename the session to it.
2239  */
2240
2241 void
2242 ARDOUR_UI::rename_session ()
2243 {
2244         if (!_session) {
2245                 return;
2246         }
2247
2248         ArdourPrompter prompter (true);
2249         string name;
2250
2251         prompter.set_name ("Prompter");
2252         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2253         prompter.set_title (_("Rename Session"));
2254         prompter.set_prompt (_("New session name"));
2255
2256   again:
2257         switch (prompter.run()) {
2258         case RESPONSE_ACCEPT:
2259         {
2260                 prompter.get_result (name);
2261
2262                 bool do_rename = (name.length() != 0);
2263
2264                 if (do_rename) {
2265                         char illegal = Session::session_name_is_legal (name);
2266
2267                         if (illegal) {
2268                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2269                                                                      "session names may not contain a '%1' character"), illegal));
2270                                 msg.run ();
2271                                 goto again;
2272                         }
2273
2274                         switch (_session->rename (name)) {
2275                         case -1: {
2276                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2277                                 msg.set_position (WIN_POS_MOUSE);
2278                                 msg.run ();
2279                                 goto again;
2280                                 break;
2281                         }
2282                         case 0:
2283                                 break;
2284                         default: {
2285                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2286                                 msg.set_position (WIN_POS_MOUSE);
2287                                 msg.run ();
2288                                 break;
2289                         }
2290                         }
2291                 }
2292
2293                 break;
2294         }
2295
2296         default:
2297                 break;
2298         }
2299 }
2300
2301 void
2302 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2303 {
2304         XMLNode* node = new XMLNode (X_("UI"));
2305
2306         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2307                 if (!(*i)->rc_configured()) {
2308                         node->add_child_nocopy (*((*i)->get_state ()));
2309                 }
2310         }
2311
2312         node->add_child_nocopy (gui_object_state->get_state());
2313
2314         _session->add_extra_xml (*node);
2315
2316         save_state_canfail (name, switch_to_it);
2317 }
2318
2319 int
2320 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2321 {
2322         if (_session) {
2323                 int ret;
2324
2325                 if (name.length() == 0) {
2326                         name = _session->snap_name();
2327                 }
2328
2329                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2330                         return ret;
2331                 }
2332         }
2333
2334         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2335         return 0;
2336 }
2337
2338 void
2339 ARDOUR_UI::primary_clock_value_changed ()
2340 {
2341         if (_session) {
2342                 _session->request_locate (primary_clock->current_time ());
2343         }
2344 }
2345
2346 void
2347 ARDOUR_UI::big_clock_value_changed ()
2348 {
2349         if (_session) {
2350                 _session->request_locate (big_clock->current_time ());
2351         }
2352 }
2353
2354 void
2355 ARDOUR_UI::secondary_clock_value_changed ()
2356 {
2357         if (_session) {
2358                 _session->request_locate (secondary_clock->current_time ());
2359         }
2360 }
2361
2362 void
2363 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2364 {
2365         if (_session == 0) {
2366                 return;
2367         }
2368
2369         if (_session->step_editing()) {
2370                 return;
2371         }
2372
2373         Session::RecordState const r = _session->record_status ();
2374         bool const h = _session->have_rec_enabled_track ();
2375
2376         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2377                 if (onoff) {
2378                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2379                 } else {
2380                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2381                 }
2382         } else if (r == Session::Recording && h) {
2383                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2384         } else {
2385                 rec_button.unset_active_state ();
2386         }
2387 }
2388
2389 void
2390 ARDOUR_UI::save_template ()
2391 {
2392         ArdourPrompter prompter (true);
2393         string name;
2394
2395         if (!check_audioengine()) {
2396                 return;
2397         }
2398
2399         prompter.set_name (X_("Prompter"));
2400         prompter.set_title (_("Save Template"));
2401         prompter.set_prompt (_("Name for template:"));
2402         prompter.set_initial_text(_session->name() + _("-template"));
2403         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2404
2405         switch (prompter.run()) {
2406         case RESPONSE_ACCEPT:
2407                 prompter.get_result (name);
2408
2409                 if (name.length()) {
2410                         _session->save_template (name);
2411                 }
2412                 break;
2413
2414         default:
2415                 break;
2416         }
2417 }
2418
2419 void
2420 ARDOUR_UI::edit_metadata ()
2421 {
2422         SessionMetadataEditor dialog;
2423         dialog.set_session (_session);
2424         editor->ensure_float (dialog);
2425         dialog.run ();
2426 }
2427
2428 void
2429 ARDOUR_UI::import_metadata ()
2430 {
2431         SessionMetadataImporter dialog;
2432         dialog.set_session (_session);
2433         editor->ensure_float (dialog);
2434         dialog.run ();
2435 }
2436
2437 bool
2438 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2439 {
2440         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2441
2442         MessageDialog msg (str,
2443                            false,
2444                            Gtk::MESSAGE_WARNING,
2445                            Gtk::BUTTONS_YES_NO,
2446                            true);
2447
2448
2449         msg.set_name (X_("OpenExistingDialog"));
2450         msg.set_title (_("Open Existing Session"));
2451         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2452         msg.set_position (Gtk::WIN_POS_MOUSE);
2453         pop_back_splash (msg);
2454
2455         switch (msg.run()) {
2456         case RESPONSE_YES:
2457                 return true;
2458                 break;
2459         }
2460         return false;
2461 }
2462
2463 int
2464 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2465 {
2466         BusProfile bus_profile;
2467
2468         if (nsm || Profile->get_sae()) {
2469
2470                 bus_profile.master_out_channels = 2;
2471                 bus_profile.input_ac = AutoConnectPhysical;
2472                 bus_profile.output_ac = AutoConnectMaster;
2473                 bus_profile.requested_physical_in = 0; // use all available
2474                 bus_profile.requested_physical_out = 0; // use all available
2475
2476         } else {
2477
2478                 /* get settings from advanced section of NSD */
2479
2480                 if (_startup->create_master_bus()) {
2481                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2482                 } else {
2483                         bus_profile.master_out_channels = 0;
2484                 }
2485
2486                 if (_startup->connect_inputs()) {
2487                         bus_profile.input_ac = AutoConnectPhysical;
2488                 } else {
2489                         bus_profile.input_ac = AutoConnectOption (0);
2490                 }
2491
2492                 bus_profile.output_ac = AutoConnectOption (0);
2493
2494                 if (_startup->connect_outputs ()) {
2495                         if (_startup->connect_outs_to_master()) {
2496                                 bus_profile.output_ac = AutoConnectMaster;
2497                         } else if (_startup->connect_outs_to_physical()) {
2498                                 bus_profile.output_ac = AutoConnectPhysical;
2499                         }
2500                 }
2501
2502                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2503                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2504         }
2505
2506         if (build_session (session_path, session_name, bus_profile)) {
2507                 return -1;
2508         }
2509
2510         return 0;
2511 }
2512
2513 void
2514 ARDOUR_UI::idle_load (const std::string& path)
2515 {
2516         if (_session) {
2517                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2518                         /* /path/to/foo => /path/to/foo, foo */
2519                         load_session (path, basename_nosuffix (path));
2520                 } else {
2521                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2522                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2523                 }
2524
2525         } else {
2526                 ARDOUR_COMMAND_LINE::session_name = path;
2527         }
2528 }
2529
2530 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2531 int
2532 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2533 {
2534         string session_name;
2535         string session_path;
2536         string template_name;
2537         int ret = -1;
2538         bool likely_new = false;
2539
2540         /* deal with any existing DIRTY session now, rather than later. don't
2541          * treat a non-dirty session this way, so that it stays visible
2542          * as we bring up the new session dialog.
2543          */
2544
2545         if (_session && ARDOUR_UI::instance()->video_timeline) {
2546                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2547         }
2548
2549         if (_session && _session->dirty()) {
2550                 if (unload_session (false)) {
2551                         /* unload cancelled by user */
2552                         return 0;
2553                 }
2554                 ARDOUR_COMMAND_LINE::session_name = "";
2555         }
2556
2557         if (!load_template.empty()) {
2558                 should_be_new = true;
2559                 template_name = load_template;
2560         }
2561
2562         while (ret != 0) {
2563
2564                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2565
2566                         /* if they named a specific statefile, use it, otherwise they are
2567                            just giving a session folder, and we want to use it as is
2568                            to find the session.
2569                         */
2570
2571                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2572
2573                         if (suffix != string::npos) {
2574                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2575                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2576                                 session_name = Glib::path_get_basename (session_name);
2577                         } else {
2578                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2579                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2580                         }
2581                 } else {
2582                         session_path = "";
2583                         session_name = "";
2584                 }
2585
2586                 delete _startup;
2587                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2588
2589                 if (!_startup->ready_without_display()) {
2590                         _startup->present ();
2591                         main().run();
2592                         _startup->hide ();
2593                 }
2594
2595                 switch (_startup->response()) {
2596                 case RESPONSE_OK:
2597                         break;
2598                 default:
2599                         if (quit_on_cancel) {
2600                                 exit (1);
2601                         } else {
2602                                 return ret;
2603                         }
2604                 }
2605
2606                 /* if we run the startup dialog again, offer more than just "new session" */
2607
2608                 should_be_new = false;
2609
2610                 session_name = _startup->session_name (likely_new);
2611
2612                 if (nsm) {
2613                         likely_new = true;
2614                 }
2615
2616                 string::size_type suffix = session_name.find (statefile_suffix);
2617
2618                 if (suffix != string::npos) {
2619                         session_name = session_name.substr (0, suffix);
2620                 }
2621
2622                 /* this shouldn't happen, but we catch it just in case it does */
2623
2624                 if (session_name.empty()) {
2625                         continue;
2626                 }
2627
2628                 if (_startup->use_session_template()) {
2629                         template_name = _startup->session_template_name();
2630                         _session_is_new = true;
2631                 }
2632
2633                 if (session_name[0] == G_DIR_SEPARATOR ||
2634                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2635                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2636
2637                         /* absolute path or cwd-relative path specified for session name: infer session folder
2638                            from what was given.
2639                         */
2640
2641                         session_path = Glib::path_get_dirname (session_name);
2642                         session_name = Glib::path_get_basename (session_name);
2643
2644                 } else {
2645
2646                         session_path = _startup->session_folder();
2647
2648                         char illegal = Session::session_name_is_legal (session_name);
2649
2650                         if (illegal) {
2651                                 MessageDialog msg (*_startup,
2652                                                    string_compose (_("To ensure compatibility with various systems\n"
2653                                                                      "session names may not contain a '%1' character"),
2654                                                                    illegal));
2655                                 msg.run ();
2656                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2657                                 continue;
2658                         }
2659                 }
2660
2661                 if (create_engine ()) {
2662                         break;
2663                 }
2664
2665                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2666
2667                         if (likely_new && !nsm) {
2668
2669                                 std::string existing = Glib::build_filename (session_path, session_name);
2670
2671                                 if (!ask_about_loading_existing_session (existing)) {
2672                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2673                                         continue;
2674                                 }
2675                         }
2676
2677                         _session_is_new = false;
2678
2679                 } else {
2680
2681                         if (!likely_new) {
2682                                 if (_startup) {
2683                                         pop_back_splash (*_startup);
2684                                 } else {
2685                                         hide_splash ();
2686                                 }
2687
2688                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2689                                 msg.run ();
2690                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2691                                 continue;
2692                         }
2693
2694                         char illegal = Session::session_name_is_legal(session_name);
2695                         if (illegal) {
2696                                 pop_back_splash (*_startup);
2697                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2698                                                      "session names may not contain a '%1' character"), illegal));
2699                                 msg.run ();
2700                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2701                                 continue;
2702                         }
2703
2704                         _session_is_new = true;
2705                 }
2706
2707                 if (likely_new && template_name.empty()) {
2708
2709                         ret = build_session_from_nsd (session_path, session_name);
2710
2711                 } else {
2712
2713                         ret = load_session (session_path, session_name, template_name);
2714
2715                         if (ret == -2) {
2716                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2717                                 exit (1);
2718                         }
2719
2720                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2721                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2722                                 exit (1);
2723                         }
2724                 }
2725         }
2726
2727         return ret;
2728 }
2729
2730 void
2731 ARDOUR_UI::close_session()
2732 {
2733         if (!check_audioengine()) {
2734                 return;
2735         }
2736
2737         if (unload_session (true)) {
2738                 return;
2739         }
2740
2741         ARDOUR_COMMAND_LINE::session_name = "";
2742
2743         if (get_session_parameters (true, false)) {
2744                 exit (1);
2745         }
2746
2747         goto_editor_window ();
2748 }
2749
2750 /** @param snap_name Snapshot name (without .ardour suffix).
2751  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2752  */
2753 int
2754 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2755 {
2756         Session *new_session;
2757         int unload_status;
2758         int retval = -1;
2759
2760         session_loaded = false;
2761
2762         if (!check_audioengine()) {
2763                 return -2;
2764         }
2765
2766         unload_status = unload_session ();
2767
2768         if (unload_status < 0) {
2769                 goto out;
2770         } else if (unload_status > 0) {
2771                 retval = 0;
2772                 goto out;
2773         }
2774
2775         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2776
2777         try {
2778                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2779         }
2780
2781         /* this one is special */
2782
2783         catch (AudioEngine::PortRegistrationFailure& err) {
2784
2785                 MessageDialog msg (err.what(),
2786                                    true,
2787                                    Gtk::MESSAGE_INFO,
2788                                    Gtk::BUTTONS_CLOSE);
2789
2790                 msg.set_title (_("Port Registration Error"));
2791                 msg.set_secondary_text (_("Click the Close button to try again."));
2792                 msg.set_position (Gtk::WIN_POS_CENTER);
2793                 pop_back_splash (msg);
2794                 msg.present ();
2795
2796                 int response = msg.run ();
2797
2798                 msg.hide ();
2799
2800                 switch (response) {
2801                 case RESPONSE_CANCEL:
2802                         exit (1);
2803                 default:
2804                         break;
2805                 }
2806                 goto out;
2807         }
2808
2809         catch (...) {
2810
2811                 MessageDialog msg (string_compose(
2812                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2813                                            path, snap_name),
2814                                    true,
2815                                    Gtk::MESSAGE_INFO,
2816                                    BUTTONS_OK);
2817
2818                 msg.set_title (_("Loading Error"));
2819                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2820                 msg.add_button (Stock::REFRESH, 1);
2821                 msg.set_position (Gtk::WIN_POS_CENTER);
2822                 pop_back_splash (msg);
2823                 msg.present ();
2824
2825                 int response = msg.run ();
2826
2827                 switch (response) {
2828                 case 1:
2829                         break;
2830                 default:
2831                         exit (1);
2832                 }
2833
2834                 msg.hide ();
2835
2836                 goto out;
2837         }
2838
2839         {
2840                 list<string> const u = new_session->unknown_processors ();
2841                 if (!u.empty()) {
2842                         MissingPluginDialog d (_session, u);
2843                         d.run ();
2844                 }
2845         }
2846
2847         /* Now the session been created, add the transport controls */
2848         new_session->add_controllable(roll_controllable);
2849         new_session->add_controllable(stop_controllable);
2850         new_session->add_controllable(goto_start_controllable);
2851         new_session->add_controllable(goto_end_controllable);
2852         new_session->add_controllable(auto_loop_controllable);
2853         new_session->add_controllable(play_selection_controllable);
2854         new_session->add_controllable(rec_controllable);
2855
2856         set_session (new_session);
2857
2858         session_loaded = true;
2859
2860         goto_editor_window ();
2861
2862         if (_session) {
2863                 _session->set_clean ();
2864         }
2865
2866         flush_pending ();
2867         retval = 0;
2868
2869   out:
2870         return retval;
2871 }
2872
2873 int
2874 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2875 {
2876         Session *new_session;
2877         int x;
2878
2879         if (!check_audioengine()) {
2880                 return -1;
2881         }
2882
2883         session_loaded = false;
2884
2885         x = unload_session ();
2886
2887         if (x < 0) {
2888                 return -1;
2889         } else if (x > 0) {
2890                 return 0;
2891         }
2892
2893         _session_is_new = true;
2894
2895         try {
2896                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2897         }
2898
2899         catch (...) {
2900
2901                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2902                 pop_back_splash (msg);
2903                 msg.run ();
2904                 return -1;
2905         }
2906
2907         /* Give the new session the default GUI state, if such things exist */
2908
2909         XMLNode* n;
2910         n = Config->instant_xml (X_("Editor"));
2911         if (n) {
2912                 new_session->add_instant_xml (*n, false);
2913         }
2914         n = Config->instant_xml (X_("Mixer"));
2915         if (n) {
2916                 new_session->add_instant_xml (*n, false);
2917         }
2918
2919         /* Put the playhead at 0 and scroll fully left */
2920         n = new_session->instant_xml (X_("Editor"));
2921         if (n) {
2922                 n->add_property (X_("playhead"), X_("0"));
2923                 n->add_property (X_("left-frame"), X_("0"));
2924         }
2925
2926         set_session (new_session);
2927
2928         session_loaded = true;
2929
2930         new_session->save_state(new_session->name());
2931
2932         return 0;
2933 }
2934
2935 void
2936 ARDOUR_UI::launch_chat ()
2937 {
2938 #ifdef __APPLE__
2939         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2940 #else
2941         open_uri("http://webchat.freenode.net/?channels=ardour");
2942 #endif
2943 }
2944
2945 void
2946 ARDOUR_UI::show_about ()
2947 {
2948         if (about == 0) {
2949                 about = new About;
2950                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2951         }
2952
2953         about->set_transient_for(*editor);
2954         about->show_all ();
2955 }
2956
2957 void
2958 ARDOUR_UI::launch_manual ()
2959 {
2960         PBD::open_uri (Config->get_tutorial_manual_url());
2961 }
2962
2963 void
2964 ARDOUR_UI::launch_reference ()
2965 {
2966         PBD::open_uri (Config->get_reference_manual_url());
2967 }
2968
2969 void
2970 ARDOUR_UI::hide_about ()
2971 {
2972         if (about) {
2973                 about->get_window()->set_cursor ();
2974                 about->hide ();
2975         }
2976 }
2977
2978 void
2979 ARDOUR_UI::about_signal_response (int /*response*/)
2980 {
2981         hide_about();
2982 }
2983
2984 void
2985 ARDOUR_UI::loading_message (const std::string& msg)
2986 {
2987         if (ARDOUR_COMMAND_LINE::no_splash) {
2988                 return;
2989         }
2990
2991         if (!splash) {
2992                 show_splash ();
2993         }
2994
2995         splash->message (msg);
2996 }
2997
2998 void
2999 ARDOUR_UI::show_splash ()
3000 {
3001         if (splash == 0) {
3002                 try {
3003                         splash = new Splash;
3004                 } catch (...) {
3005                         return;
3006                 }
3007         }
3008
3009         splash->display ();
3010 }
3011
3012 void
3013 ARDOUR_UI::hide_splash ()
3014 {
3015         delete splash;
3016         splash = 0;
3017 }
3018
3019 void
3020 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3021 {
3022         size_t removed;
3023
3024         removed = rep.paths.size();
3025
3026         if (removed == 0) {
3027                 MessageDialog msgd (*editor,
3028                                     _("No files were ready for clean-up"),
3029                                     true,
3030                                     Gtk::MESSAGE_INFO,
3031                                     Gtk::BUTTONS_OK);
3032                 msgd.set_title (_("Clean-up"));
3033                 msgd.set_secondary_text (_("If this seems suprising, \n\
3034 check for any existing snapshots.\n\
3035 These may still include regions that\n\
3036 require some unused files to continue to exist."));
3037
3038                 msgd.run ();
3039                 return;
3040         }
3041
3042         ArdourDialog results (_("Clean-up"), true, false);
3043
3044         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3045             CleanupResultsModelColumns() {
3046                     add (visible_name);
3047                     add (fullpath);
3048             }
3049             Gtk::TreeModelColumn<std::string> visible_name;
3050             Gtk::TreeModelColumn<std::string> fullpath;
3051         };
3052
3053
3054         CleanupResultsModelColumns results_columns;
3055         Glib::RefPtr<Gtk::ListStore> results_model;
3056         Gtk::TreeView results_display;
3057
3058         results_model = ListStore::create (results_columns);
3059         results_display.set_model (results_model);
3060         results_display.append_column (list_title, results_columns.visible_name);
3061
3062         results_display.set_name ("CleanupResultsList");
3063         results_display.set_headers_visible (true);
3064         results_display.set_headers_clickable (false);
3065         results_display.set_reorderable (false);
3066
3067         Gtk::ScrolledWindow list_scroller;
3068         Gtk::Label txt;
3069         Gtk::VBox dvbox;
3070         Gtk::HBox dhbox;  // the hbox for the image and text
3071         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3072         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3073
3074         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3075
3076         const string dead_directory = _session->session_directory().dead_path();
3077
3078         /* subst:
3079            %1 - number of files removed
3080            %2 - location of "dead"
3081            %3 - size of files affected
3082            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3083         */
3084
3085         const char* bprefix;
3086         double space_adjusted = 0;
3087
3088         if (rep.space < 1000) {
3089                 bprefix = X_("");
3090                 space_adjusted = rep.space;
3091         } else if (rep.space < 1000000) {
3092                 bprefix = _("kilo");
3093                 space_adjusted = truncf((float)rep.space / 1000.0);
3094         } else if (rep.space < 1000000 * 1000) {
3095                 bprefix = _("mega");
3096                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3097         } else {
3098                 bprefix = _("giga");
3099                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3100         }
3101
3102         if (msg_delete) {
3103                 txt.set_markup (string_compose (P_("\
3104 The following file was deleted from %2,\n\
3105 releasing %3 %4bytes of disk space", "\
3106 The following %1 files were deleted from %2,\n\
3107 releasing %3 %4bytes of disk space", removed),
3108                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3109         } else {
3110                 txt.set_markup (string_compose (P_("\
3111 The following file was not in use and \n\
3112 has been moved to: %2\n\n\
3113 After a restart of %5\n\n\
3114 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3115 will release an additional %3 %4bytes of disk space.\n", "\
3116 The following %1 files were not in use and \n\
3117 have been moved to: %2\n\n\
3118 After a restart of %5\n\n\
3119 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3120 will release an additional %3 %4bytes of disk space.\n", removed),
3121                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3122         }
3123
3124         dhbox.pack_start (*dimage, true, false, 5);
3125         dhbox.pack_start (txt, true, false, 5);
3126
3127         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3128                 TreeModel::Row row = *(results_model->append());
3129                 row[results_columns.visible_name] = *i;
3130                 row[results_columns.fullpath] = *i;
3131         }
3132
3133         list_scroller.add (results_display);
3134         list_scroller.set_size_request (-1, 150);
3135         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3136
3137         dvbox.pack_start (dhbox, true, false, 5);
3138         dvbox.pack_start (list_scroller, true, false, 5);
3139         ddhbox.pack_start (dvbox, true, false, 5);
3140
3141         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3142         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3143         results.set_default_response (RESPONSE_CLOSE);
3144         results.set_position (Gtk::WIN_POS_MOUSE);
3145
3146         results_display.show();
3147         list_scroller.show();
3148         txt.show();
3149         dvbox.show();
3150         dhbox.show();
3151         ddhbox.show();
3152         dimage->show();
3153
3154         //results.get_vbox()->show();
3155         results.set_resizable (false);
3156
3157         results.run ();
3158
3159 }
3160
3161 void
3162 ARDOUR_UI::cleanup ()
3163 {
3164         if (_session == 0) {
3165                 /* shouldn't happen: menu item is insensitive */
3166                 return;
3167         }
3168
3169
3170         MessageDialog checker (_("Are you sure you want to clean-up?"),
3171                                 true,
3172                                 Gtk::MESSAGE_QUESTION,
3173                                 Gtk::BUTTONS_NONE);
3174
3175         checker.set_title (_("Clean-up"));
3176
3177         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3178 ALL undo/redo information will be lost if you clean-up.\n\
3179 Clean-up will move all unused files to a \"dead\" location."));
3180
3181         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3182         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3183         checker.set_default_response (RESPONSE_CANCEL);
3184
3185         checker.set_name (_("CleanupDialog"));
3186         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3187         checker.set_position (Gtk::WIN_POS_MOUSE);
3188
3189         switch (checker.run()) {
3190         case RESPONSE_ACCEPT:
3191                 break;
3192         default:
3193                 return;
3194         }
3195
3196         ARDOUR::CleanupReport rep;
3197
3198         editor->prepare_for_cleanup ();
3199
3200         /* do not allow flush until a session is reloaded */
3201
3202         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3203         if (act) {
3204                 act->set_sensitive (false);
3205         }
3206
3207         if (_session->cleanup_sources (rep)) {
3208                 editor->finish_cleanup ();
3209                 return;
3210         }
3211
3212         editor->finish_cleanup ();
3213
3214         checker.hide();
3215         display_cleanup_results (rep, _("Cleaned Files"), false);
3216 }
3217
3218 void
3219 ARDOUR_UI::flush_trash ()
3220 {
3221         if (_session == 0) {
3222                 /* shouldn't happen: menu item is insensitive */
3223                 return;
3224         }
3225
3226         ARDOUR::CleanupReport rep;
3227
3228         if (_session->cleanup_trash_sources (rep)) {
3229                 return;
3230         }
3231
3232         display_cleanup_results (rep, _("deleted file"), true);
3233 }
3234
3235 void
3236 ARDOUR_UI::add_route (Gtk::Window* float_window)
3237 {
3238         int count;
3239
3240         if (!_session) {
3241                 return;
3242         }
3243
3244         if (add_route_dialog == 0) {
3245                 add_route_dialog = new AddRouteDialog (_session);
3246                 if (float_window) {
3247                         add_route_dialog->set_transient_for (*float_window);
3248                 }
3249         }
3250
3251         if (add_route_dialog->is_visible()) {
3252                 /* we're already doing this */
3253                 return;
3254         }
3255
3256         ResponseType r = (ResponseType) add_route_dialog->run ();
3257
3258         add_route_dialog->hide();
3259
3260         switch (r) {
3261                 case RESPONSE_ACCEPT:
3262                         break;
3263                 default:
3264                         return;
3265                         break;
3266         }
3267
3268         if ((count = add_route_dialog->count()) <= 0) {
3269                 return;
3270         }
3271
3272         PBD::ScopedConnection idle_connection;
3273
3274         if (count > 8) {
3275                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3276         }
3277
3278         string template_path = add_route_dialog->track_template();
3279
3280         if (!template_path.empty()) {
3281                 if (add_route_dialog->name_template_is_default())  {
3282                         _session->new_route_from_template (count, template_path, string());
3283                 } else {
3284                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3285                 }
3286                 return;
3287         }
3288
3289         ChanCount input_chan= add_route_dialog->channels ();
3290         ChanCount output_chan;
3291         string name_template = add_route_dialog->name_template ();
3292         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3293         RouteGroup* route_group = add_route_dialog->route_group ();
3294         AutoConnectOption oac = Config->get_output_auto_connect();
3295
3296         if (oac & AutoConnectMaster) {
3297                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3298                 output_chan.set (DataType::MIDI, 0);
3299         } else {
3300                 output_chan = input_chan;
3301         }
3302
3303         /* XXX do something with name template */
3304
3305         switch (add_route_dialog->type_wanted()) {
3306         case AddRouteDialog::AudioTrack:
3307                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3308                 break;
3309         case AddRouteDialog::MidiTrack:
3310                 session_add_midi_track (route_group, count, name_template, instrument);
3311                 break;
3312         case AddRouteDialog::MixedTrack:
3313                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3314                 break;
3315         case AddRouteDialog::AudioBus:
3316                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3317                 break;
3318         }
3319
3320         /* idle connection will end at scope end */
3321 }
3322
3323 void
3324 ARDOUR_UI::stop_video_server (bool ask_confirm)
3325 {
3326         if (!video_server_process && ask_confirm) {
3327                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3328         }
3329         if (video_server_process) {
3330                 if(ask_confirm) {
3331                         ArdourDialog confirm (_("Stop Video-Server"), true);
3332                         Label m (_("Do you really want to stop the Video Server?"));
3333                         confirm.get_vbox()->pack_start (m, true, true);
3334                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3335                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3336                         confirm.show_all ();
3337                         if (confirm.run() == RESPONSE_CANCEL) {
3338                                 return;
3339                         }
3340                 }
3341                 delete video_server_process;
3342                 video_server_process =0;
3343         }
3344 }
3345
3346 void
3347 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3348 {
3349   ARDOUR_UI::start_video_server( float_window, true);
3350 }
3351
3352 bool
3353 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3354 {
3355         if (!_session) {
3356                 return false;
3357         }
3358         if (popup_msg) {
3359                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3360                         if (video_server_process) {
3361                                 popup_error(_("The Video Server is already started."));
3362                         } else {
3363                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3364                         }
3365                 }
3366         }
3367
3368         int firsttime = 0;
3369         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3370                 if (firsttime++) {
3371                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3372                 }
3373                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3374                 if (float_window) {
3375                         video_server_dialog->set_transient_for (*float_window);
3376                 }
3377
3378                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3379                         video_server_dialog->hide();
3380                 } else {
3381                         ResponseType r = (ResponseType) video_server_dialog->run ();
3382                         video_server_dialog->hide();
3383                         if (r != RESPONSE_ACCEPT) { return false; }
3384                         if (video_server_dialog->show_again()) {
3385                                 Config->set_show_video_server_dialog(false);
3386                         }
3387                 }
3388
3389                 std::string icsd_exec = video_server_dialog->get_exec_path();
3390                 std::string icsd_docroot = video_server_dialog->get_docroot();
3391                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3392
3393                 struct stat sb;
3394                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3395                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3396                         continue;
3397                 }
3398                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3399                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3400                         warning << _("Given Video Server is not an executable file.") << endmsg;
3401                         continue;
3402                 }
3403
3404                 char **argp;
3405                 argp=(char**) calloc(9,sizeof(char*));
3406                 argp[0] = strdup(icsd_exec.c_str());
3407                 argp[1] = strdup("-P");
3408                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3409                 argp[3] = strdup("-p");
3410                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3411                 argp[5] = strdup("-C");
3412                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3413                 argp[7] = strdup(icsd_docroot.c_str());
3414                 argp[8] = 0;
3415                 stop_video_server();
3416
3417                 if (icsd_docroot == X_("/")) {
3418                         Config->set_video_advanced_setup(false);
3419                 } else {
3420                         std::ostringstream osstream;
3421                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3422                         Config->set_video_server_url(osstream.str());
3423                         Config->set_video_server_docroot(icsd_docroot);
3424                         Config->set_video_advanced_setup(true);
3425                 }
3426
3427                 video_server_process = new SystemExec(icsd_exec, argp);
3428                 video_server_process->start();
3429                 sleep(1);
3430         }
3431         return true;
3432 }
3433
3434 void
3435 ARDOUR_UI::add_video (Gtk::Window* float_window)
3436 {
3437         if (!_session) {
3438                 return;
3439         }
3440
3441         if (!start_video_server(float_window, false)) {
3442                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3443                 return;
3444         }
3445
3446         if (add_video_dialog == 0) {
3447                 add_video_dialog = new AddVideoDialog (_session);
3448                 if (float_window) {
3449                         add_video_dialog->set_transient_for (*float_window);
3450                 }
3451         }
3452
3453         if (add_video_dialog->is_visible()) {
3454                 /* we're already doing this */
3455                 return;
3456         }
3457         ResponseType r = (ResponseType) add_video_dialog->run ();
3458         add_video_dialog->hide();
3459         if (r != RESPONSE_ACCEPT) { return; }
3460
3461         bool local_file;
3462         std::string path = add_video_dialog->file_name(local_file);
3463         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3464
3465         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3466                 warning << string_compose(_("could not open %1"), path) << endmsg;
3467                 return;
3468         }
3469         if (!local_file && path.length() == 0) {
3470                 warning << _("no video-file selected") << endmsg;
3471                 return;
3472         }
3473
3474         switch (add_video_dialog->import_option()) {
3475                 case VTL_IMPORT_TRANSCODE:
3476                         {
3477                                 TranscodeVideoDialog *transcode_video_dialog;
3478                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3479                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3480                                 transcode_video_dialog->hide();
3481                                 if (r != RESPONSE_ACCEPT) {
3482                                         delete transcode_video_dialog;
3483                                         return;
3484                                 }
3485                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3486                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3487                                 }
3488                                 switch (transcode_video_dialog->import_option()) {
3489                                         case VTL_IMPORT_TRANSCODED:
3490                                                 path = transcode_video_dialog->get_filename();
3491                                                 local_file = true;
3492                                                 break;
3493                                         case VTL_IMPORT_REFERENCE:
3494                                                 break;
3495                                         default:
3496                                                 delete transcode_video_dialog;
3497                                                 return;
3498                                 }
3499                                 delete transcode_video_dialog;
3500                         }
3501                         break;
3502                 default:
3503                 case VTL_IMPORT_NONE:
3504                         break;
3505         }
3506
3507         /* strip _session->session_directory().video_path() from video file if possible */
3508         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3509                  path=path.substr(_session->session_directory().video_path().size());
3510                  if (path.at(0) == G_DIR_SEPARATOR) {
3511                          path=path.substr(1);
3512                  }
3513         }
3514
3515         video_timeline->set_update_session_fps(auto_set_session_fps);
3516         if (video_timeline->video_file_info(path, local_file)) {
3517                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3518                 node->add_property (X_("Filename"), path);
3519                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3520                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3521                 _session->add_extra_xml (*node);
3522                 _session->set_dirty ();
3523
3524                 _session->maybe_update_session_range(
3525                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3526                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3527
3528
3529                 if (add_video_dialog->launch_xjadeo() && local_file) {
3530                         editor->set_xjadeo_sensitive(true);
3531                         editor->toggle_xjadeo_proc(1);
3532                 } else {
3533                         editor->toggle_xjadeo_proc(0);
3534                 }
3535                 editor->toggle_ruler_video(true);
3536         }
3537 }
3538
3539 void
3540 ARDOUR_UI::remove_video ()
3541 {
3542         video_timeline->close_session();
3543         editor->toggle_ruler_video(false);
3544
3545         /* delete session state */
3546         XMLNode* node = new XMLNode(X_("Videotimeline"));
3547         _session->add_extra_xml(*node);
3548         node = new XMLNode(X_("Videomonitor"));
3549         _session->add_extra_xml(*node);
3550         stop_video_server();
3551 }
3552
3553 void
3554 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3555 {
3556         if (localcacheonly) {
3557                 video_timeline->vmon_update();
3558         } else {
3559                 video_timeline->flush_cache();
3560         }
3561         editor->queue_visual_videotimeline_update();
3562 }
3563
3564 XMLNode*
3565 ARDOUR_UI::mixer_settings () const
3566 {
3567         XMLNode* node = 0;
3568
3569         if (_session) {
3570                 node = _session->instant_xml(X_("Mixer"));
3571         } else {
3572                 node = Config->instant_xml(X_("Mixer"));
3573         }
3574
3575         if (!node) {
3576                 node = new XMLNode (X_("Mixer"));
3577         }
3578
3579         return node;
3580 }
3581
3582 XMLNode*
3583 ARDOUR_UI::editor_settings () const
3584 {
3585         XMLNode* node = 0;
3586
3587         if (_session) {
3588                 node = _session->instant_xml(X_("Editor"));
3589         } else {
3590                 node = Config->instant_xml(X_("Editor"));
3591         }
3592
3593         if (!node) {
3594                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3595                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3596                 }
3597         }
3598
3599         if (!node) {
3600                 node = new XMLNode (X_("Editor"));
3601         }
3602
3603         return node;
3604 }
3605
3606 XMLNode*
3607 ARDOUR_UI::keyboard_settings () const
3608 {
3609         XMLNode* node = 0;
3610
3611         node = Config->extra_xml(X_("Keyboard"));
3612
3613         if (!node) {
3614                 node = new XMLNode (X_("Keyboard"));
3615         }
3616
3617         return node;
3618 }
3619
3620 void
3621 ARDOUR_UI::create_xrun_marker (framepos_t where)
3622 {
3623         editor->mouse_add_new_marker (where, false, true);
3624 }
3625
3626 void
3627 ARDOUR_UI::halt_on_xrun_message ()
3628 {
3629         MessageDialog msg (*editor,
3630                            _("Recording was stopped because your system could not keep up."));
3631         msg.run ();
3632 }
3633
3634 void
3635 ARDOUR_UI::xrun_handler (framepos_t where)
3636 {
3637         if (!_session) {
3638                 return;
3639         }
3640
3641         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3642
3643         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3644                 create_xrun_marker(where);
3645         }
3646
3647         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3648                 halt_on_xrun_message ();
3649         }
3650 }
3651
3652 void
3653 ARDOUR_UI::disk_overrun_handler ()
3654 {
3655         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3656
3657         if (!have_disk_speed_dialog_displayed) {
3658                 have_disk_speed_dialog_displayed = true;
3659                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3660 The disk system on your computer\n\
3661 was not able to keep up with %1.\n\
3662 \n\
3663 Specifically, it failed to write data to disk\n\
3664 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3665                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3666                 msg->show ();
3667         }
3668 }
3669
3670 void
3671 ARDOUR_UI::disk_underrun_handler ()
3672 {
3673         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3674
3675         if (!have_disk_speed_dialog_displayed) {
3676                 have_disk_speed_dialog_displayed = true;
3677                 MessageDialog* msg = new MessageDialog (
3678                         *editor, string_compose (_("The disk system on your computer\n\
3679 was not able to keep up with %1.\n\
3680 \n\
3681 Specifically, it failed to read data from disk\n\
3682 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3683                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3684                 msg->show ();
3685         }
3686 }
3687
3688 void
3689 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3690 {
3691         have_disk_speed_dialog_displayed = false;
3692         delete msg;
3693 }
3694
3695 void
3696 ARDOUR_UI::session_dialog (std::string msg)
3697 {
3698         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3699
3700         MessageDialog* d;
3701
3702         if (editor) {
3703                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3704         } else {
3705                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3706         }
3707
3708         d->show_all ();
3709         d->run ();
3710         delete d;
3711 }
3712
3713 int
3714 ARDOUR_UI::pending_state_dialog ()
3715 {
3716         HBox* hbox = new HBox();
3717         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3718         ArdourDialog dialog (_("Crash Recovery"), true);
3719         Label  message (string_compose (_("\
3720 This session appears to have been in the\n\
3721 middle of recording when %1 or\n\
3722 the computer was shutdown.\n\
3723 \n\
3724 %1 can recover any captured audio for\n\
3725 you, or it can ignore it. Please decide\n\
3726 what you would like to do.\n"), PROGRAM_NAME));
3727         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3728         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3729         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3730         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3731         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3732         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3733         dialog.set_default_response (RESPONSE_ACCEPT);
3734         dialog.set_position (WIN_POS_CENTER);
3735         message.show();
3736         image->show();
3737         hbox->show();
3738
3739         switch (dialog.run ()) {
3740         case RESPONSE_ACCEPT:
3741                 return 1;
3742         default:
3743                 return 0;
3744         }
3745 }
3746
3747 int
3748 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3749 {
3750         HBox* hbox = new HBox();
3751         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3752         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3753         Label  message (string_compose (_("\
3754 This session was created with a sample rate of %1 Hz, but\n\
3755 %2 is currently running at %3 Hz.  If you load this session,\n\
3756 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3757
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 (_("Do not load session"), RESPONSE_REJECT);
3763         dialog.add_button (_("Load session anyway"), 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 0;
3773         default:
3774                 break;
3775         }
3776
3777         return 1;
3778 }
3779
3780
3781 void
3782 ARDOUR_UI::disconnect_from_jack ()
3783 {
3784         if (engine) {
3785                 if (engine->disconnect_from_jack ()) {
3786                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3787                         msg.run ();
3788                 }
3789
3790                 update_sample_rate (0);
3791         }
3792 }
3793
3794 void
3795 ARDOUR_UI::reconnect_to_jack ()
3796 {
3797         if (engine) {
3798                 if (engine->reconnect_to_jack ()) {
3799                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3800                         msg.run ();
3801                 }
3802
3803                 update_sample_rate (0);
3804         }
3805 }
3806
3807 void
3808 ARDOUR_UI::use_config ()
3809 {
3810         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3811         if (node) {
3812                 set_transport_controllable_state (*node);
3813         }
3814 }
3815
3816 void
3817 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3818 {
3819         if (Config->get_primary_clock_delta_edit_cursor()) {
3820                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3821         } else {
3822                 primary_clock->set (pos);
3823         }
3824
3825         if (Config->get_secondary_clock_delta_edit_cursor()) {
3826                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3827         } else {
3828                 secondary_clock->set (pos);
3829         }
3830
3831         if (big_clock_window->get()) {
3832                 big_clock->set (pos);
3833         }
3834         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3835 }
3836
3837
3838 void
3839 ARDOUR_UI::step_edit_status_change (bool yn)
3840 {
3841         // XXX should really store pre-step edit status of things
3842         // we make insensitive
3843
3844         if (yn) {
3845                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3846                 rec_button.set_sensitive (false);
3847         } else {
3848                 rec_button.unset_active_state ();;
3849                 rec_button.set_sensitive (true);
3850         }
3851 }
3852
3853 void
3854 ARDOUR_UI::record_state_changed ()
3855 {
3856         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3857
3858         if (!_session || !big_clock_window->get()) {
3859                 /* why bother - the clock isn't visible */
3860                 return;
3861         }
3862
3863         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3864                 big_clock->set_active (true);
3865         } else {
3866                 big_clock->set_active (false);
3867         }
3868 }
3869
3870 bool
3871 ARDOUR_UI::first_idle ()
3872 {
3873         if (_session) {
3874                 _session->allow_auto_play (true);
3875         }
3876
3877         if (editor) {
3878                 editor->first_idle();
3879         }
3880
3881         Keyboard::set_can_save_keybindings (true);
3882         return false;
3883 }
3884
3885 void
3886 ARDOUR_UI::store_clock_modes ()
3887 {
3888         XMLNode* node = new XMLNode(X_("ClockModes"));
3889
3890         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3891                 XMLNode* child = new XMLNode (X_("Clock"));
3892
3893                 child->add_property (X_("name"), (*x)->name());
3894                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3895                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3896
3897                 node->add_child_nocopy (*child);
3898         }
3899
3900         _session->add_extra_xml (*node);
3901         _session->set_dirty ();
3902 }
3903
3904 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3905         : Controllable (name), ui (u), type(tp)
3906 {
3907
3908 }
3909
3910 void
3911 ARDOUR_UI::TransportControllable::set_value (double val)
3912 {
3913         if (val < 0.5) {
3914                 /* do nothing: these are radio-style actions */
3915                 return;
3916         }
3917
3918         const char *action = 0;
3919
3920         switch (type) {
3921         case Roll:
3922                 action = X_("Roll");
3923                 break;
3924         case Stop:
3925                 action = X_("Stop");
3926                 break;
3927         case GotoStart:
3928                 action = X_("GotoStart");
3929                 break;
3930         case GotoEnd:
3931                 action = X_("GotoEnd");
3932                 break;
3933         case AutoLoop:
3934                 action = X_("Loop");
3935                 break;
3936         case PlaySelection:
3937                 action = X_("PlaySelection");
3938                 break;
3939         case RecordEnable:
3940                 action = X_("Record");
3941                 break;
3942         default:
3943                 break;
3944         }
3945
3946         if (action == 0) {
3947                 return;
3948         }
3949
3950         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3951
3952         if (act) {
3953                 act->activate ();
3954         }
3955 }
3956
3957 double
3958 ARDOUR_UI::TransportControllable::get_value (void) const
3959 {
3960         float val = 0.0;
3961
3962         switch (type) {
3963         case Roll:
3964                 break;
3965         case Stop:
3966                 break;
3967         case GotoStart:
3968                 break;
3969         case GotoEnd:
3970                 break;
3971         case AutoLoop:
3972                 break;
3973         case PlaySelection:
3974                 break;
3975         case RecordEnable:
3976                 break;
3977         default:
3978                 break;
3979         }
3980
3981         return val;
3982 }
3983
3984 void
3985 ARDOUR_UI::setup_profile ()
3986 {
3987         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3988                 Profile->set_small_screen ();
3989         }
3990
3991         if (getenv ("ARDOUR_SAE")) {
3992                 Profile->set_sae ();
3993                 Profile->set_single_package ();
3994         }
3995 }
3996
3997 /** Add a window proxy to our list, so that its state will be saved.
3998  *  This call also causes the window to be created and opened if its
3999  *  state was saved as `visible'.
4000  */
4001 void
4002 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4003 {
4004         _window_proxies.push_back (p);
4005         p->maybe_show ();
4006 }
4007
4008 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4009  *  is deleted, to prevent hanging pointers.
4010  */
4011 void
4012 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4013 {
4014         _window_proxies.remove (p);
4015 }
4016
4017 int
4018 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4019 {
4020         MissingFileDialog dialog (s, str, type);
4021
4022         dialog.show ();
4023         dialog.present ();
4024
4025         int result = dialog.run ();
4026         dialog.hide ();
4027
4028         switch (result) {
4029         case RESPONSE_OK:
4030                 break;
4031         default:
4032                 return 1; // quit entire session load
4033         }
4034
4035         result = dialog.get_action ();
4036
4037         return result;
4038 }
4039
4040 int
4041 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4042 {
4043         AmbiguousFileDialog dialog (file, hits);
4044
4045         dialog.show ();
4046         dialog.present ();
4047
4048         dialog.run ();
4049         return dialog.get_which ();
4050 }
4051
4052 /** Allocate our thread-local buffers */
4053 void
4054 ARDOUR_UI::get_process_buffers ()
4055 {
4056         _process_thread->get_buffers ();
4057 }
4058
4059 /** Drop our thread-local buffers */
4060 void
4061 ARDOUR_UI::drop_process_buffers ()
4062 {
4063         _process_thread->drop_buffers ();
4064 }
4065
4066 void
4067 ARDOUR_UI::feedback_detected ()
4068 {
4069         _feedback_exists = true;
4070 }
4071
4072 void
4073 ARDOUR_UI::successful_graph_sort ()
4074 {
4075         _feedback_exists = false;
4076 }
4077
4078 void
4079 ARDOUR_UI::midi_panic ()
4080 {
4081         if (_session) {
4082                 _session->midi_panic();
4083         }
4084 }
4085
4086 void
4087 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4088 {
4089         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4090         const char* end_big = "</span>";
4091         const char* start_mono = "<tt>";
4092         const char* end_mono = "</tt>";
4093
4094         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4095                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4096                                              "From now on, use the -2000 version with older versions of %3"),
4097                                            xml_path, backup_path, PROGRAM_NAME,
4098                                            start_big, end_big,
4099                                            start_mono, end_mono), true);
4100
4101         msg.run ();
4102 }