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_position (Gtk::WIN_POS_MOUSE);
 937         window.set_modal (true);
 938         window.set_resizable (false);
 939
 940         dhbox.show();
 941         prompt_label.show();
 942         dimage->show();
 943         window.show();
 944         window.set_keep_above (true);
 945         window.present ();
 946
 947         ResponseType r = (ResponseType) window.run();
 948
 949         window.hide ();
 950
 951         switch (r) {
 952         case RESPONSE_ACCEPT: // save and get out of here
 953                 return 1;
 954         case RESPONSE_APPLY:  // get out of here
 955                 return 0;
 956         default:
 957                 break;
 958         }
 959
 960         return -1;
 961 }
 962
 963
 964 gint
 965 ARDOUR_UI::every_second ()
 966 {
 967         update_cpu_load ();
 968         update_buffer_load ();
 969         update_disk_space ();
 970         update_timecode_format ();
 971
 972         if (nsm && nsm->is_active ()) {
 973                 nsm->check ();
 974
 975                 if (!_was_dirty && _session->dirty ()) {
 976                         nsm->is_dirty ();
 977                         _was_dirty = true;
 978                 }
 979                 else if (_was_dirty && !_session->dirty ()){
 980                         nsm->is_clean ();
 981                         _was_dirty = false;
 982                 }
 983         }
 984         return TRUE;
 985 }
 986
 987 gint
 988 ARDOUR_UI::every_point_one_seconds ()
 989 {
 990         shuttle_box->update_speed_display ();
 991         RapidScreenUpdate(); /* EMIT_SIGNAL */
 992         return TRUE;
 993 }
 994
 995 gint
 996 ARDOUR_UI::every_point_zero_one_seconds ()
 997 {
 998         // august 2007: actual update frequency: 40Hz, not 100Hz
 999
1000         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1001         return TRUE;
1002 }
1003
1004 void
1005 ARDOUR_UI::update_sample_rate (framecnt_t)
1006 {
1007         char buf[64];
1008
1009         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1010
1011         if (!engine->connected()) {
1012
1013                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
1014
1015         } else {
1016
1017                 framecnt_t rate = engine->frame_rate();
1018
1019                 if (fmod (rate, 1000.0) != 0.0) {
1020                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1021                                   (float) rate/1000.0f,
1022                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1023                 } else {
1024                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1025                                   rate/1000,
1026                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
1027                 }
1028         }
1029
1030         sample_rate_label.set_markup (buf);
1031 }
1032
1033 void
1034 ARDOUR_UI::update_format ()
1035 {
1036         if (!_session) {
1037                 format_label.set_text ("");
1038                 return;
1039         }
1040
1041         stringstream s;
1042         s << _("File:") << X_(" <span foreground=\"green\">");
1043
1044         switch (_session->config.get_native_file_header_format ()) {
1045         case BWF:
1046                 s << _("BWF");
1047                 break;
1048         case WAVE:
1049                 s << _("WAV");
1050                 break;
1051         case WAVE64:
1052                 s << _("WAV64");
1053                 break;
1054         case CAF:
1055                 s << _("CAF");
1056                 break;
1057         case AIFF:
1058                 s << _("AIFF");
1059                 break;
1060         case iXML:
1061                 s << _("iXML");
1062                 break;
1063         case RF64:
1064                 s << _("RF64");
1065                 break;
1066         }
1067
1068         s << " ";
1069
1070         switch (_session->config.get_native_file_data_format ()) {
1071         case FormatFloat:
1072                 s << _("32-float");
1073                 break;
1074         case FormatInt24:
1075                 s << _("24-int");
1076                 break;
1077         case FormatInt16:
1078                 s << _("16-int");
1079                 break;
1080         }
1081
1082         s << X_("</span>");
1083
1084         format_label.set_markup (s.str ());
1085 }
1086
1087 void
1088 ARDOUR_UI::update_cpu_load ()
1089 {
1090         char buf[64];
1091
1092         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1093            should also be changed.
1094         */
1095
1096         float const c = engine->get_cpu_load ();
1097         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1098         cpu_load_label.set_markup (buf);
1099 }
1100
1101 void
1102 ARDOUR_UI::update_buffer_load ()
1103 {
1104         char buf[256];
1105
1106         uint32_t const playback = _session ? _session->playback_load () : 100;
1107         uint32_t const capture = _session ? _session->capture_load () : 100;
1108
1109         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1110            should also be changed.
1111         */
1112
1113         if (_session) {
1114                 snprintf (
1115                         buf, sizeof (buf),
1116                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1117                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1118                         playback <= 5 ? X_("red") : X_("green"),
1119                         playback,
1120                         capture <= 5 ? X_("red") : X_("green"),
1121                         capture
1122                         );
1123
1124                 buffer_load_label.set_markup (buf);
1125         } else {
1126                 buffer_load_label.set_text ("");
1127         }
1128 }
1129
1130 void
1131 ARDOUR_UI::count_recenabled_streams (Route& route)
1132 {
1133         Track* track = dynamic_cast<Track*>(&route);
1134         if (track && track->record_enabled()) {
1135                 rec_enabled_streams += track->n_inputs().n_total();
1136         }
1137 }
1138
1139 void
1140 ARDOUR_UI::update_disk_space()
1141 {
1142         if (_session == 0) {
1143                 return;
1144         }
1145
1146         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1147         char buf[64];
1148         framecnt_t fr = _session->frame_rate();
1149
1150         if (!opt_frames) {
1151                 /* Available space is unknown */
1152                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1153         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1154                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1155         } else {
1156                 rec_enabled_streams = 0;
1157                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1158
1159                 framecnt_t frames = opt_frames.get_value_or (0);
1160
1161                 if (rec_enabled_streams) {
1162                         frames /= rec_enabled_streams;
1163                 }
1164
1165                 int hrs;
1166                 int mins;
1167                 int secs;
1168
1169                 hrs  = frames / (fr * 3600);
1170
1171                 if (hrs > 24) {
1172                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1173                 } else {
1174                         frames -= hrs * fr * 3600;
1175                         mins = frames / (fr * 60);
1176                         frames -= mins * fr * 60;
1177                         secs = frames / fr;
1178
1179                         bool const low = (hrs == 0 && mins <= 30);
1180
1181                         snprintf (
1182                                 buf, sizeof(buf),
1183                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1184                                 low ? X_("red") : X_("green"),
1185                                 hrs, mins, secs
1186                                 );
1187                 }
1188         }
1189
1190         disk_space_label.set_markup (buf);
1191 }
1192
1193 void
1194 ARDOUR_UI::update_timecode_format ()
1195 {
1196         char buf[64];
1197
1198         if (_session) {
1199                 bool matching;
1200                 TimecodeSlave* tcslave;
1201                 SyncSource sync_src = Config->get_sync_source();
1202
1203                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1204                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1205                 } else {
1206                         matching = true;
1207                 }
1208
1209                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1210                           matching ? X_("green") : X_("red"),
1211                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1212         } else {
1213                 snprintf (buf, sizeof (buf), "TC: n/a");
1214         }
1215
1216         timecode_format_label.set_markup (buf);
1217 }
1218
1219 gint
1220 ARDOUR_UI::update_wall_clock ()
1221 {
1222         time_t now;
1223         struct tm *tm_now;
1224         static int last_min = -1;
1225
1226         time (&now);
1227         tm_now = localtime (&now);
1228         if (last_min != tm_now->tm_min) {
1229                 char buf[16];
1230                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1231                 wall_clock_label.set_text (buf);
1232                 last_min = tm_now->tm_min;
1233         }
1234
1235         return TRUE;
1236 }
1237
1238 void
1239 ARDOUR_UI::redisplay_recent_sessions ()
1240 {
1241         std::vector<std::string> session_directories;
1242         RecentSessionsSorter cmp;
1243
1244         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1245         recent_session_model->clear ();
1246
1247         ARDOUR::RecentSessions rs;
1248         ARDOUR::read_recent_sessions (rs);
1249
1250         if (rs.empty()) {
1251                 recent_session_display.set_model (recent_session_model);
1252                 return;
1253         }
1254
1255         // sort them alphabetically
1256         sort (rs.begin(), rs.end(), cmp);
1257
1258         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1259                 session_directories.push_back ((*i).second);
1260         }
1261
1262         for (vector<std::string>::const_iterator i = session_directories.begin();
1263                         i != session_directories.end(); ++i)
1264         {
1265                 std::vector<std::string> state_file_paths;
1266
1267                 // now get available states for this session
1268
1269                 get_state_files_in_directory (*i, state_file_paths);
1270
1271                 vector<string*>* states;
1272                 vector<const gchar*> item;
1273                 string fullpath = *i;
1274
1275                 /* remove any trailing / */
1276
1277                 if (fullpath[fullpath.length() - 1] == '/') {
1278                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1279                 }
1280
1281                 /* check whether session still exists */
1282                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1283                         /* session doesn't exist */
1284                         continue;
1285                 }
1286
1287                 /* now get available states for this session */
1288
1289                 if ((states = Session::possible_states (fullpath)) == 0) {
1290                         /* no state file? */
1291                         continue;
1292                 }
1293
1294                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1295
1296                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1297
1298                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1299                 row[recent_session_columns.fullpath] = fullpath;
1300                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1301
1302                 if (state_file_names.size() > 1) {
1303
1304                         // add the children
1305
1306                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1307                                         i2 != state_file_names.end(); ++i2)
1308                         {
1309
1310                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1311
1312                                 child_row[recent_session_columns.visible_name] = *i2;
1313                                 child_row[recent_session_columns.fullpath] = fullpath;
1314                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1315                         }
1316                 }
1317         }
1318
1319         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1320         recent_session_display.set_model (recent_session_model);
1321 }
1322
1323 void
1324 ARDOUR_UI::build_session_selector ()
1325 {
1326         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1327
1328         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1329
1330         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1331         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1332         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1333         recent_session_model = TreeStore::create (recent_session_columns);
1334         recent_session_display.set_model (recent_session_model);
1335         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1336         recent_session_display.set_headers_visible (false);
1337         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1338         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1339
1340         scroller->add (recent_session_display);
1341         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1342
1343         session_selector_window->set_name ("SessionSelectorWindow");
1344         session_selector_window->set_size_request (200, 400);
1345         session_selector_window->get_vbox()->pack_start (*scroller);
1346
1347         recent_session_display.show();
1348         scroller->show();
1349 }
1350
1351 void
1352 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1353 {
1354         session_selector_window->response (RESPONSE_ACCEPT);
1355 }
1356
1357 void
1358 ARDOUR_UI::open_recent_session ()
1359 {
1360         bool can_return = (_session != 0);
1361
1362         if (session_selector_window == 0) {
1363                 build_session_selector ();
1364         }
1365
1366         redisplay_recent_sessions ();
1367
1368         while (true) {
1369
1370                 session_selector_window->set_position (WIN_POS_MOUSE);
1371
1372                 ResponseType r = (ResponseType) session_selector_window->run ();
1373
1374                 switch (r) {
1375                 case RESPONSE_ACCEPT:
1376                         break;
1377                 default:
1378                         if (can_return) {
1379                                 session_selector_window->hide();
1380                                 return;
1381                         } else {
1382                                 exit (1);
1383                         }
1384                 }
1385
1386                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1387                         continue;
1388                 }
1389
1390                 session_selector_window->hide();
1391
1392                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1393
1394                 if (i == recent_session_model->children().end()) {
1395                         return;
1396                 }
1397
1398                 std::string path = (*i)[recent_session_columns.fullpath];
1399                 std::string state = (*i)[recent_session_columns.visible_name];
1400
1401                 _session_is_new = false;
1402
1403                 if (load_session (path, state) == 0) {
1404                         break;
1405                 }
1406
1407                 can_return = false;
1408         }
1409 }
1410
1411 bool
1412 ARDOUR_UI::check_audioengine ()
1413 {
1414         if (engine) {
1415                 if (!engine->connected()) {
1416                         MessageDialog msg (string_compose (
1417                                                    _("%1 is not connected to JACK\n"
1418                                                      "You cannot open or close sessions in this condition"),
1419                                                    PROGRAM_NAME));
1420                         pop_back_splash (msg);
1421                         msg.run ();
1422                         return false;
1423                 }
1424                 return true;
1425         } else {
1426                 return false;
1427         }
1428 }
1429
1430 void
1431 ARDOUR_UI::open_session ()
1432 {
1433         if (!check_audioengine()) {
1434                 return;
1435
1436         }
1437
1438         /* popup selector window */
1439
1440         if (open_session_selector == 0) {
1441
1442                 /* ardour sessions are folders */
1443
1444                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1445                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1446                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1447                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1448
1449                 if (_session) {
1450                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1451                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1452                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1453                         open_session_selector->set_current_folder(session_parent_dir);
1454                 } else {
1455                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1456                 }
1457
1458                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1459
1460                 FileFilter session_filter;
1461                 session_filter.add_pattern ("*.ardour");
1462                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1463                 open_session_selector->add_filter (session_filter);
1464                 open_session_selector->set_filter (session_filter);
1465         }
1466
1467         int response = open_session_selector->run();
1468         open_session_selector->hide ();
1469
1470         switch (response) {
1471         case RESPONSE_ACCEPT:
1472                 break;
1473         default:
1474                 open_session_selector->hide();
1475                 return;
1476         }
1477
1478         open_session_selector->hide();
1479         string session_path = open_session_selector->get_filename();
1480         string path, name;
1481         bool isnew;
1482
1483         if (session_path.length() > 0) {
1484                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1485                         _session_is_new = isnew;
1486                         load_session (path, name);
1487                 }
1488         }
1489 }
1490
1491
1492 void
1493 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1494                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1495 {
1496         list<boost::shared_ptr<MidiTrack> > tracks;
1497
1498         if (_session == 0) {
1499                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1500                 return;
1501         }
1502
1503         try {
1504                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1505
1506                 if (tracks.size() != how_many) {
1507                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1508                 }
1509         }
1510
1511         catch (...) {
1512                 MessageDialog msg (*editor,
1513                                    string_compose (_("There are insufficient JACK ports available\n\
1514 to create a new track or bus.\n\
1515 You should save %1, exit and\n\
1516 restart JACK with more ports."), PROGRAM_NAME));
1517                 msg.run ();
1518         }
1519 }
1520
1521
1522 void
1523 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1524 {
1525         ChanCount one_midi_channel;
1526         one_midi_channel.set (DataType::MIDI, 1);
1527
1528         if (disk) {
1529                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1530         }
1531 }
1532
1533 void
1534 ARDOUR_UI::session_add_audio_route (
1535         bool track,
1536         int32_t input_channels,
1537         int32_t output_channels,
1538         ARDOUR::TrackMode mode,
1539         RouteGroup* route_group,
1540         uint32_t how_many,
1541         string const & name_template
1542         )
1543 {
1544         list<boost::shared_ptr<AudioTrack> > tracks;
1545         RouteList routes;
1546
1547         if (_session == 0) {
1548                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1549                 return;
1550         }
1551
1552         try {
1553                 if (track) {
1554                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1555
1556                         if (tracks.size() != how_many) {
1557                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1558                                       << endmsg;
1559                         }
1560
1561                 } else {
1562
1563                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1564
1565                         if (routes.size() != how_many) {
1566                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1567                                       << endmsg;
1568                         }
1569                 }
1570         }
1571
1572         catch (...) {
1573                 MessageDialog msg (*editor,
1574                                    string_compose (_("There are insufficient JACK ports available\n\
1575 to create a new track or bus.\n\
1576 You should save %1, exit and\n\
1577 restart JACK with more ports."), PROGRAM_NAME));
1578                 pop_back_splash (msg);
1579                 msg.run ();
1580         }
1581 }
1582
1583 void
1584 ARDOUR_UI::transport_goto_start ()
1585 {
1586         if (_session) {
1587                 _session->goto_start();
1588
1589                 /* force displayed area in editor to start no matter
1590                    what "follow playhead" setting is.
1591                 */
1592
1593                 if (editor) {
1594                         editor->center_screen (_session->current_start_frame ());
1595                 }
1596         }
1597 }
1598
1599 void
1600 ARDOUR_UI::transport_goto_zero ()
1601 {
1602         if (_session) {
1603                 _session->request_locate (0);
1604
1605                 /* force displayed area in editor to start no matter
1606                    what "follow playhead" setting is.
1607                 */
1608
1609                 if (editor) {
1610                         editor->reset_x_origin (0);
1611                 }
1612         }
1613 }
1614
1615 void
1616 ARDOUR_UI::transport_goto_wallclock ()
1617 {
1618         if (_session && editor) {
1619
1620                 time_t now;
1621                 struct tm tmnow;
1622                 framepos_t frames;
1623
1624                 time (&now);
1625                 localtime_r (&now, &tmnow);
1626
1627                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1628                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1629                 frames += tmnow.tm_sec * _session->frame_rate();
1630
1631                 _session->request_locate (frames, _session->transport_rolling ());
1632
1633                 /* force displayed area in editor to start no matter
1634                    what "follow playhead" setting is.
1635                 */
1636
1637                 if (editor) {
1638                         editor->center_screen (frames);
1639                 }
1640         }
1641 }
1642
1643 void
1644 ARDOUR_UI::transport_goto_end ()
1645 {
1646         if (_session) {
1647                 framepos_t const frame = _session->current_end_frame();
1648                 _session->request_locate (frame);
1649
1650                 /* force displayed area in editor to start no matter
1651                    what "follow playhead" setting is.
1652                 */
1653
1654                 if (editor) {
1655                         editor->center_screen (frame);
1656                 }
1657         }
1658 }
1659
1660 void
1661 ARDOUR_UI::transport_stop ()
1662 {
1663         if (!_session) {
1664                 return;
1665         }
1666
1667         if (_session->is_auditioning()) {
1668                 _session->cancel_audition ();
1669                 return;
1670         }
1671
1672         _session->request_stop (false, true);
1673 }
1674
1675 void
1676 ARDOUR_UI::transport_record (bool roll)
1677 {
1678
1679         if (_session) {
1680                 switch (_session->record_status()) {
1681                 case Session::Disabled:
1682                         if (_session->ntracks() == 0) {
1683                                 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."));
1684                                 msg.run ();
1685                                 return;
1686                         }
1687                         _session->maybe_enable_record ();
1688                         if (roll) {
1689                                 transport_roll ();
1690                         }
1691                         break;
1692                 case Session::Recording:
1693                         if (roll) {
1694                                 _session->request_stop();
1695                         } else {
1696                                 _session->disable_record (false, true);
1697                         }
1698                         break;
1699
1700                 case Session::Enabled:
1701                         _session->disable_record (false, true);
1702                 }
1703         }
1704 }
1705
1706 void
1707 ARDOUR_UI::transport_roll ()
1708 {
1709         if (!_session) {
1710                 return;
1711         }
1712
1713         if (_session->is_auditioning()) {
1714                 return;
1715         }
1716
1717 #if 0
1718         if (_session->config.get_external_sync()) {
1719                 switch (Config->get_sync_source()) {
1720                 case JACK:
1721                         break;
1722                 default:
1723                         /* transport controlled by the master */
1724                         return;
1725                 }
1726         }
1727 #endif
1728
1729         bool rolling = _session->transport_rolling();
1730
1731         if (_session->get_play_loop()) {
1732                 /* XXX it is not possible to just leave seamless loop and keep
1733                    playing at present (nov 4th 2009)
1734                 */
1735                 if (!Config->get_seamless_loop()) {
1736                         _session->request_play_loop (false, true);
1737                 }
1738         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1739                 /* stop playing a range if we currently are */
1740                 _session->request_play_range (0, true);
1741         }
1742
1743         if (!rolling) {
1744                 _session->request_transport_speed (1.0f);
1745         }
1746 }
1747
1748 bool
1749 ARDOUR_UI::get_smart_mode() const
1750 {
1751         return ( editor->get_smart_mode() );
1752 }
1753
1754
1755 void
1756 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1757 {
1758
1759         if (!_session) {
1760                 return;
1761         }
1762
1763         if (_session->is_auditioning()) {
1764                 _session->cancel_audition ();
1765                 return;
1766         }
1767
1768         if (_session->config.get_external_sync()) {
1769                 switch (Config->get_sync_source()) {
1770                 case JACK:
1771                         break;
1772                 default:
1773                         /* transport controlled by the master */
1774                         return;
1775                 }
1776         }
1777
1778         bool rolling = _session->transport_rolling();
1779         bool affect_transport = true;
1780
1781         if (rolling && roll_out_of_bounded_mode) {
1782                 /* drop out of loop/range playback but leave transport rolling */
1783                 if (_session->get_play_loop()) {
1784                         if (Config->get_seamless_loop()) {
1785                                 /* the disk buffers contain copies of the loop - we can't
1786                                    just keep playing, so stop the transport. the user
1787                                    can restart as they wish.
1788                                 */
1789                                 affect_transport = true;
1790                         } else {
1791                                 /* disk buffers are normal, so we can keep playing */
1792                                 affect_transport = false;
1793                         }
1794                         _session->request_play_loop (false, true);
1795                 } else if (_session->get_play_range ()) {
1796                         affect_transport = false;
1797                         _session->request_play_range (0, true);
1798                 }
1799         }
1800
1801         if (affect_transport) {
1802                 if (rolling) {
1803                         _session->request_stop (with_abort, true);
1804                 } else {
1805                         if ( Config->get_always_play_range() ) {
1806                                 _session->request_play_range (&editor->get_selection().time, true);
1807                         }
1808
1809                         _session->request_transport_speed (1.0f);
1810                 }
1811         }
1812 }
1813
1814 void
1815 ARDOUR_UI::toggle_session_auto_loop ()
1816 {
1817         Location * looploc = _session->locations()->auto_loop_location();
1818
1819         if (!_session || !looploc) {
1820                 return;
1821         }
1822
1823         if (_session->get_play_loop()) {
1824
1825                 if (_session->transport_rolling()) {
1826
1827                         _session->request_locate (looploc->start(), true);
1828                         _session->request_play_loop (false);
1829
1830                 } else {
1831                         _session->request_play_loop (false);
1832                 }
1833         } else {
1834                 _session->request_play_loop (true);
1835         }
1836
1837         //show the loop markers
1838         looploc->set_hidden (false, this);
1839 }
1840
1841 void
1842 ARDOUR_UI::transport_play_selection ()
1843 {
1844         if (!_session) {
1845                 return;
1846         }
1847
1848         editor->play_selection ();
1849 }
1850
1851 void
1852 ARDOUR_UI::transport_play_preroll ()
1853 {
1854         if (!_session) {
1855                 return;
1856         }
1857         editor->play_with_preroll ();
1858 }
1859
1860 void
1861 ARDOUR_UI::transport_rewind (int option)
1862 {
1863         float current_transport_speed;
1864
1865         if (_session) {
1866                 current_transport_speed = _session->transport_speed();
1867
1868                 if (current_transport_speed >= 0.0f) {
1869                         switch (option) {
1870                         case 0:
1871                                 _session->request_transport_speed (-1.0f);
1872                                 break;
1873                         case 1:
1874                                 _session->request_transport_speed (-4.0f);
1875                                 break;
1876                         case -1:
1877                                 _session->request_transport_speed (-0.5f);
1878                                 break;
1879                         }
1880                 } else {
1881                         /* speed up */
1882                         _session->request_transport_speed (current_transport_speed * 1.5f);
1883                 }
1884         }
1885 }
1886
1887 void
1888 ARDOUR_UI::transport_forward (int option)
1889 {
1890         if (!_session) {
1891                 return;
1892         }
1893
1894         float current_transport_speed = _session->transport_speed();
1895
1896         if (current_transport_speed <= 0.0f) {
1897                 switch (option) {
1898                 case 0:
1899                         _session->request_transport_speed (1.0f);
1900                         break;
1901                 case 1:
1902                         _session->request_transport_speed (4.0f);
1903                         break;
1904                 case -1:
1905                         _session->request_transport_speed (0.5f);
1906                         break;
1907                 }
1908         } else {
1909                 /* speed up */
1910                 _session->request_transport_speed (current_transport_speed * 1.5f);
1911         }
1912 }
1913
1914 void
1915 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1916 {
1917         if (!_session) {
1918                 return;
1919         }
1920
1921         boost::shared_ptr<Route> r;
1922
1923         if ((r = _session->route_by_remote_id (rid)) != 0) {
1924
1925                 Track* t;
1926
1927                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1928                         t->set_record_enabled (!t->record_enabled(), this);
1929                 }
1930         }
1931 }
1932
1933 void
1934 ARDOUR_UI::map_transport_state ()
1935 {
1936         if (!_session) {
1937                 auto_loop_button.unset_active_state ();
1938                 play_selection_button.unset_active_state ();
1939                 roll_button.unset_active_state ();
1940                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1941                 return;
1942         }
1943
1944         shuttle_box->map_transport_state ();
1945
1946         float sp = _session->transport_speed();
1947
1948         if (sp != 0.0f) {
1949
1950                 /* we're rolling */
1951
1952                 if (_session->get_play_range()) {
1953
1954                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1955                         roll_button.unset_active_state ();
1956                         auto_loop_button.unset_active_state ();
1957
1958                 } else if (_session->get_play_loop ()) {
1959
1960                         auto_loop_button.set_active (true);
1961                         play_selection_button.set_active (false);
1962                         roll_button.set_active (false);
1963
1964                 } else {
1965
1966                         roll_button.set_active (true);
1967                         play_selection_button.set_active (false);
1968                         auto_loop_button.set_active (false);
1969                 }
1970
1971                 if (Config->get_always_play_range()) {
1972                         /* light up both roll and play-selection if they are joined */
1973                         roll_button.set_active (true);
1974                         play_selection_button.set_active (true);
1975                 }
1976
1977                 stop_button.set_active (false);
1978
1979         } else {
1980
1981                 stop_button.set_active (true);
1982                 roll_button.set_active (false);
1983                 play_selection_button.set_active (false);
1984                 auto_loop_button.set_active (false);
1985                 update_disk_space ();
1986         }
1987 }
1988
1989 void
1990 ARDOUR_UI::engine_stopped ()
1991 {
1992         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
1993         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
1994         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
1995 }
1996
1997 void
1998 ARDOUR_UI::engine_running ()
1999 {
2000         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
2001         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
2002         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
2003
2004         Glib::RefPtr<Action> action;
2005         const char* action_name = 0;
2006
2007         switch (engine->frames_per_cycle()) {
2008         case 32:
2009                 action_name = X_("JACKLatency32");
2010                 break;
2011         case 64:
2012                 action_name = X_("JACKLatency64");
2013                 break;
2014         case 128:
2015                 action_name = X_("JACKLatency128");
2016                 break;
2017         case 512:
2018                 action_name = X_("JACKLatency512");
2019                 break;
2020         case 1024:
2021                 action_name = X_("JACKLatency1024");
2022                 break;
2023         case 2048:
2024                 action_name = X_("JACKLatency2048");
2025                 break;
2026         case 4096:
2027                 action_name = X_("JACKLatency4096");
2028                 break;
2029         case 8192:
2030                 action_name = X_("JACKLatency8192");
2031                 break;
2032         default:
2033                 /* XXX can we do anything useful ? */
2034                 break;
2035         }
2036
2037         if (action_name) {
2038
2039                 action = ActionManager::get_action (X_("JACK"), action_name);
2040
2041                 if (action) {
2042                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
2043                         ract->set_active ();
2044                 }
2045         }
2046 }
2047
2048 void
2049 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
2050 {
2051         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
2052                 /* we can't rely on the original string continuing to exist when we are called
2053                    again in the GUI thread, so make a copy and note that we need to
2054                    free it later.
2055                 */
2056                 char *copy = strdup (reason);
2057                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
2058                 return;
2059         }
2060
2061         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
2062         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
2063
2064         update_sample_rate (0);
2065
2066         string msgstr;
2067
2068         /* if the reason is a non-empty string, it means that the backend was shutdown
2069            rather than just Ardour.
2070         */
2071
2072         if (strlen (reason)) {
2073                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
2074         } else {
2075                 msgstr = string_compose (_("\
2076 JACK has either been shutdown or it\n\
2077 disconnected %1 because %1\n\
2078 was not fast enough. Try to restart\n\
2079 JACK, reconnect and save the session."), PROGRAM_NAME);
2080         }
2081
2082         MessageDialog msg (*editor, msgstr);
2083         pop_back_splash (msg);
2084         msg.set_keep_above (true);
2085         msg.run ();
2086
2087         if (free_reason) {
2088                 free (const_cast<char*> (reason));
2089         }
2090 }
2091
2092 int32_t
2093 ARDOUR_UI::do_engine_start ()
2094 {
2095         try {
2096                 engine->start();
2097         }
2098
2099         catch (...) {
2100                 engine->stop ();
2101                 error << _("Unable to start the session running")
2102                       << endmsg;
2103                 unload_session ();
2104                 return -2;
2105         }
2106
2107         return 0;
2108 }
2109
2110 void
2111 ARDOUR_UI::update_clocks ()
2112 {
2113         if (!editor || !editor->dragging_playhead()) {
2114                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2115         }
2116 }
2117
2118 void
2119 ARDOUR_UI::start_clocking ()
2120 {
2121         if (Config->get_super_rapid_clock_update()) {
2122                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2123         } else {
2124                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2125         }
2126 }
2127
2128 void
2129 ARDOUR_UI::stop_clocking ()
2130 {
2131         clock_signal_connection.disconnect ();
2132 }
2133
2134 gint
2135 ARDOUR_UI::_blink (void *arg)
2136 {
2137         ((ARDOUR_UI *) arg)->blink ();
2138         return TRUE;
2139 }
2140
2141 void
2142 ARDOUR_UI::blink ()
2143 {
2144         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2145 }
2146
2147 void
2148 ARDOUR_UI::start_blinking ()
2149 {
2150         /* Start the blink signal. Everybody with a blinking widget
2151            uses Blink to drive the widget's state.
2152         */
2153
2154         if (blink_timeout_tag < 0) {
2155                 blink_on = false;
2156                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2157         }
2158 }
2159
2160 void
2161 ARDOUR_UI::stop_blinking ()
2162 {
2163         if (blink_timeout_tag >= 0) {
2164                 g_source_remove (blink_timeout_tag);
2165                 blink_timeout_tag = -1;
2166         }
2167 }
2168
2169
2170 /** Ask the user for the name of a new snapshot and then take it.
2171  */
2172
2173 void
2174 ARDOUR_UI::snapshot_session (bool switch_to_it)
2175 {
2176         ArdourPrompter prompter (true);
2177         string snapname;
2178
2179         prompter.set_name ("Prompter");
2180         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2181         prompter.set_title (_("Take Snapshot"));
2182         prompter.set_prompt (_("Name of new snapshot"));
2183
2184         if (!switch_to_it) {
2185                 char timebuf[128];
2186                 time_t n;
2187                 struct tm local_time;
2188
2189                 time (&n);
2190                 localtime_r (&n, &local_time);
2191                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2192                 prompter.set_initial_text (timebuf);
2193         }
2194
2195   again:
2196         switch (prompter.run()) {
2197         case RESPONSE_ACCEPT:
2198         {
2199                 prompter.get_result (snapname);
2200
2201                 bool do_save = (snapname.length() != 0);
2202
2203                 if (do_save) {
2204                         char illegal = Session::session_name_is_legal(snapname);
2205                         if (illegal) {
2206                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2207                                                      "snapshot names may not contain a '%1' character"), illegal));
2208                                 msg.run ();
2209                                 goto again;
2210                         }
2211                 }
2212
2213                 vector<std::string> p;
2214                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2215                 vector<string> n = get_file_names_no_extension (p);
2216                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2217
2218                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2219                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2220                         confirm.get_vbox()->pack_start (m, true, true);
2221                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2222                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2223                         confirm.show_all ();
2224                         switch (confirm.run()) {
2225                         case RESPONSE_CANCEL:
2226                                 do_save = false;
2227                         }
2228                 }
2229
2230                 if (do_save) {
2231                         save_state (snapname, switch_to_it);
2232                 }
2233                 break;
2234         }
2235
2236         default:
2237                 break;
2238         }
2239 }
2240
2241 /** Ask the user for a new session name and then rename the session to it.
2242  */
2243
2244 void
2245 ARDOUR_UI::rename_session ()
2246 {
2247         if (!_session) {
2248                 return;
2249         }
2250
2251         ArdourPrompter prompter (true);
2252         string name;
2253
2254         prompter.set_name ("Prompter");
2255         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2256         prompter.set_title (_("Rename Session"));
2257         prompter.set_prompt (_("New session name"));
2258
2259   again:
2260         switch (prompter.run()) {
2261         case RESPONSE_ACCEPT:
2262         {
2263                 prompter.get_result (name);
2264
2265                 bool do_rename = (name.length() != 0);
2266
2267                 if (do_rename) {
2268                         char illegal = Session::session_name_is_legal (name);
2269
2270                         if (illegal) {
2271                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2272                                                                      "session names may not contain a '%1' character"), illegal));
2273                                 msg.run ();
2274                                 goto again;
2275                         }
2276
2277                         switch (_session->rename (name)) {
2278                         case -1: {
2279                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2280                                 msg.set_position (WIN_POS_MOUSE);
2281                                 msg.run ();
2282                                 goto again;
2283                                 break;
2284                         }
2285                         case 0:
2286                                 break;
2287                         default: {
2288                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2289                                 msg.set_position (WIN_POS_MOUSE);
2290                                 msg.run ();
2291                                 break;
2292                         }
2293                         }
2294                 }
2295
2296                 break;
2297         }
2298
2299         default:
2300                 break;
2301         }
2302 }
2303
2304 void
2305 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2306 {
2307         XMLNode* node = new XMLNode (X_("UI"));
2308
2309         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2310                 if (!(*i)->rc_configured()) {
2311                         node->add_child_nocopy (*((*i)->get_state ()));
2312                 }
2313         }
2314
2315         node->add_child_nocopy (gui_object_state->get_state());
2316
2317         _session->add_extra_xml (*node);
2318
2319         save_state_canfail (name, switch_to_it);
2320 }
2321
2322 int
2323 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2324 {
2325         if (_session) {
2326                 int ret;
2327
2328                 if (name.length() == 0) {
2329                         name = _session->snap_name();
2330                 }
2331
2332                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2333                         return ret;
2334                 }
2335         }
2336
2337         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2338         editor->save_canvas_state ();
2339         return 0;
2340 }
2341
2342 void
2343 ARDOUR_UI::primary_clock_value_changed ()
2344 {
2345         if (_session) {
2346                 _session->request_locate (primary_clock->current_time ());
2347         }
2348 }
2349
2350 void
2351 ARDOUR_UI::big_clock_value_changed ()
2352 {
2353         if (_session) {
2354                 _session->request_locate (big_clock->current_time ());
2355         }
2356 }
2357
2358 void
2359 ARDOUR_UI::secondary_clock_value_changed ()
2360 {
2361         if (_session) {
2362                 _session->request_locate (secondary_clock->current_time ());
2363         }
2364 }
2365
2366 void
2367 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2368 {
2369         if (_session == 0) {
2370                 return;
2371         }
2372
2373         if (_session->step_editing()) {
2374                 return;
2375         }
2376
2377         Session::RecordState const r = _session->record_status ();
2378         bool const h = _session->have_rec_enabled_track ();
2379
2380         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2381                 if (onoff) {
2382                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2383                 } else {
2384                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2385                 }
2386         } else if (r == Session::Recording && h) {
2387                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2388         } else {
2389                 rec_button.unset_active_state ();
2390         }
2391 }
2392
2393 void
2394 ARDOUR_UI::save_template ()
2395 {
2396         ArdourPrompter prompter (true);
2397         string name;
2398
2399         if (!check_audioengine()) {
2400                 return;
2401         }
2402
2403         prompter.set_name (X_("Prompter"));
2404         prompter.set_title (_("Save Template"));
2405         prompter.set_prompt (_("Name for template:"));
2406         prompter.set_initial_text(_session->name() + _("-template"));
2407         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2408
2409         switch (prompter.run()) {
2410         case RESPONSE_ACCEPT:
2411                 prompter.get_result (name);
2412
2413                 if (name.length()) {
2414                         _session->save_template (name);
2415                 }
2416                 break;
2417
2418         default:
2419                 break;
2420         }
2421 }
2422
2423 void
2424 ARDOUR_UI::edit_metadata ()
2425 {
2426         SessionMetadataEditor dialog;
2427         dialog.set_session (_session);
2428         editor->ensure_float (dialog);
2429         dialog.run ();
2430 }
2431
2432 void
2433 ARDOUR_UI::import_metadata ()
2434 {
2435         SessionMetadataImporter dialog;
2436         dialog.set_session (_session);
2437         editor->ensure_float (dialog);
2438         dialog.run ();
2439 }
2440
2441 bool
2442 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2443 {
2444         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2445
2446         MessageDialog msg (str,
2447                            false,
2448                            Gtk::MESSAGE_WARNING,
2449                            Gtk::BUTTONS_YES_NO,
2450                            true);
2451
2452
2453         msg.set_name (X_("OpenExistingDialog"));
2454         msg.set_title (_("Open Existing Session"));
2455         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2456         msg.set_position (Gtk::WIN_POS_MOUSE);
2457         pop_back_splash (msg);
2458
2459         switch (msg.run()) {
2460         case RESPONSE_YES:
2461                 return true;
2462                 break;
2463         }
2464         return false;
2465 }
2466
2467 int
2468 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2469 {
2470         BusProfile bus_profile;
2471
2472         if (nsm || Profile->get_sae()) {
2473
2474                 bus_profile.master_out_channels = 2;
2475                 bus_profile.input_ac = AutoConnectPhysical;
2476                 bus_profile.output_ac = AutoConnectMaster;
2477                 bus_profile.requested_physical_in = 0; // use all available
2478                 bus_profile.requested_physical_out = 0; // use all available
2479
2480         } else {
2481
2482                 /* get settings from advanced section of NSD */
2483
2484                 if (_startup->create_master_bus()) {
2485                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2486                 } else {
2487                         bus_profile.master_out_channels = 0;
2488                 }
2489
2490                 if (_startup->connect_inputs()) {
2491                         bus_profile.input_ac = AutoConnectPhysical;
2492                 } else {
2493                         bus_profile.input_ac = AutoConnectOption (0);
2494                 }
2495
2496                 bus_profile.output_ac = AutoConnectOption (0);
2497
2498                 if (_startup->connect_outputs ()) {
2499                         if (_startup->connect_outs_to_master()) {
2500                                 bus_profile.output_ac = AutoConnectMaster;
2501                         } else if (_startup->connect_outs_to_physical()) {
2502                                 bus_profile.output_ac = AutoConnectPhysical;
2503                         }
2504                 }
2505
2506                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2507                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2508         }
2509
2510         if (build_session (session_path, session_name, bus_profile)) {
2511                 return -1;
2512         }
2513
2514         return 0;
2515 }
2516
2517 void
2518 ARDOUR_UI::idle_load (const std::string& path)
2519 {
2520         if (_session) {
2521                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2522                         /* /path/to/foo => /path/to/foo, foo */
2523                         load_session (path, basename_nosuffix (path));
2524                 } else {
2525                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2526                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2527                 }
2528
2529         } else {
2530                 ARDOUR_COMMAND_LINE::session_name = path;
2531         }
2532 }
2533
2534 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2535 int
2536 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2537 {
2538         string session_name;
2539         string session_path;
2540         string template_name;
2541         int ret = -1;
2542         bool likely_new = false;
2543
2544         /* deal with any existing DIRTY session now, rather than later. don't
2545          * treat a non-dirty session this way, so that it stays visible
2546          * as we bring up the new session dialog.
2547          */
2548
2549         if (_session && ARDOUR_UI::instance()->video_timeline) {
2550                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2551         }
2552
2553         if (_session && _session->dirty()) {
2554                 if (unload_session (false)) {
2555                         /* unload cancelled by user */
2556                         return 0;
2557                 }
2558                 ARDOUR_COMMAND_LINE::session_name = "";
2559         }
2560
2561         if (!load_template.empty()) {
2562                 should_be_new = true;
2563                 template_name = load_template;
2564         }
2565
2566         while (ret != 0) {
2567
2568                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2569
2570                         /* if they named a specific statefile, use it, otherwise they are
2571                            just giving a session folder, and we want to use it as is
2572                            to find the session.
2573                         */
2574
2575                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2576
2577                         if (suffix != string::npos) {
2578                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2579                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2580                                 session_name = Glib::path_get_basename (session_name);
2581                         } else {
2582                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2583                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2584                         }
2585                 } else {
2586                         session_path = "";
2587                         session_name = "";
2588                 }
2589
2590                 delete _startup;
2591                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2592
2593                 if (!_startup->ready_without_display()) {
2594                         _startup->present ();
2595                         main().run();
2596                         _startup->hide ();
2597                 }
2598
2599                 switch (_startup->response()) {
2600                 case RESPONSE_OK:
2601                         break;
2602                 default:
2603                         if (quit_on_cancel) {
2604                                 exit (1);
2605                         } else {
2606                                 return ret;
2607                         }
2608                 }
2609
2610                 /* if we run the startup dialog again, offer more than just "new session" */
2611
2612                 should_be_new = false;
2613
2614                 session_name = _startup->session_name (likely_new);
2615
2616                 if (nsm) {
2617                         likely_new = true;
2618                 }
2619
2620                 string::size_type suffix = session_name.find (statefile_suffix);
2621
2622                 if (suffix != string::npos) {
2623                         session_name = session_name.substr (0, suffix);
2624                 }
2625
2626                 /* this shouldn't happen, but we catch it just in case it does */
2627
2628                 if (session_name.empty()) {
2629                         continue;
2630                 }
2631
2632                 if (_startup->use_session_template()) {
2633                         template_name = _startup->session_template_name();
2634                         _session_is_new = true;
2635                 }
2636
2637                 if (session_name[0] == G_DIR_SEPARATOR ||
2638                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2639                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2640
2641                         /* absolute path or cwd-relative path specified for session name: infer session folder
2642                            from what was given.
2643                         */
2644
2645                         session_path = Glib::path_get_dirname (session_name);
2646                         session_name = Glib::path_get_basename (session_name);
2647
2648                 } else {
2649
2650                         session_path = _startup->session_folder();
2651
2652                         char illegal = Session::session_name_is_legal (session_name);
2653
2654                         if (illegal) {
2655                                 MessageDialog msg (*_startup,
2656                                                    string_compose (_("To ensure compatibility with various systems\n"
2657                                                                      "session names may not contain a '%1' character"),
2658                                                                    illegal));
2659                                 msg.run ();
2660                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2661                                 continue;
2662                         }
2663                 }
2664
2665                 if (create_engine ()) {
2666                         break;
2667                 }
2668
2669                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2670
2671                         if (likely_new && !nsm) {
2672
2673                                 std::string existing = Glib::build_filename (session_path, session_name);
2674
2675                                 if (!ask_about_loading_existing_session (existing)) {
2676                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2677                                         continue;
2678                                 }
2679                         }
2680
2681                         _session_is_new = false;
2682
2683                 } else {
2684
2685                         if (!likely_new) {
2686                                 if (_startup) {
2687                                         pop_back_splash (*_startup);
2688                                 } else {
2689                                         hide_splash ();
2690                                 }
2691
2692                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2693                                 msg.run ();
2694                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2695                                 continue;
2696                         }
2697
2698                         char illegal = Session::session_name_is_legal(session_name);
2699                         if (illegal) {
2700                                 pop_back_splash (*_startup);
2701                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2702                                                      "session names may not contain a '%1' character"), illegal));
2703                                 msg.run ();
2704                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2705                                 continue;
2706                         }
2707
2708                         _session_is_new = true;
2709                 }
2710
2711                 if (likely_new && template_name.empty()) {
2712
2713                         ret = build_session_from_nsd (session_path, session_name);
2714
2715                 } else {
2716
2717                         ret = load_session (session_path, session_name, template_name);
2718
2719                         if (ret == -2) {
2720                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2721                                 exit (1);
2722                         }
2723
2724                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2725                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2726                                 exit (1);
2727                         }
2728                 }
2729         }
2730
2731         return ret;
2732 }
2733
2734 void
2735 ARDOUR_UI::close_session()
2736 {
2737         if (!check_audioengine()) {
2738                 return;
2739         }
2740
2741         if (unload_session (true)) {
2742                 return;
2743         }
2744
2745         ARDOUR_COMMAND_LINE::session_name = "";
2746
2747         if (get_session_parameters (true, false)) {
2748                 exit (1);
2749         }
2750
2751         goto_editor_window ();
2752 }
2753
2754 /** @param snap_name Snapshot name (without .ardour suffix).
2755  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2756  */
2757 int
2758 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2759 {
2760         Session *new_session;
2761         int unload_status;
2762         int retval = -1;
2763
2764         session_loaded = false;
2765
2766         if (!check_audioengine()) {
2767                 return -2;
2768         }
2769
2770         unload_status = unload_session ();
2771
2772         if (unload_status < 0) {
2773                 goto out;
2774         } else if (unload_status > 0) {
2775                 retval = 0;
2776                 goto out;
2777         }
2778
2779         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2780
2781         try {
2782                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2783         }
2784
2785         /* this one is special */
2786
2787         catch (AudioEngine::PortRegistrationFailure& err) {
2788
2789                 MessageDialog msg (err.what(),
2790                                    true,
2791                                    Gtk::MESSAGE_INFO,
2792                                    Gtk::BUTTONS_CLOSE);
2793
2794                 msg.set_title (_("Port Registration Error"));
2795                 msg.set_secondary_text (_("Click the Close button to try again."));
2796                 msg.set_position (Gtk::WIN_POS_CENTER);
2797                 pop_back_splash (msg);
2798                 msg.present ();
2799
2800                 int response = msg.run ();
2801
2802                 msg.hide ();
2803
2804                 switch (response) {
2805                 case RESPONSE_CANCEL:
2806                         exit (1);
2807                 default:
2808                         break;
2809                 }
2810                 goto out;
2811         }
2812
2813         catch (...) {
2814
2815                 MessageDialog msg (string_compose(
2816                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2817                                            path, snap_name),
2818                                    true,
2819                                    Gtk::MESSAGE_INFO,
2820                                    BUTTONS_OK);
2821
2822                 msg.set_title (_("Loading Error"));
2823                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2824                 msg.add_button (Stock::REFRESH, 1);
2825                 msg.set_position (Gtk::WIN_POS_CENTER);
2826                 pop_back_splash (msg);
2827                 msg.present ();
2828
2829                 int response = msg.run ();
2830
2831                 switch (response) {
2832                 case 1:
2833                         break;
2834                 default:
2835                         exit (1);
2836                 }
2837
2838                 msg.hide ();
2839
2840                 goto out;
2841         }
2842
2843         {
2844                 list<string> const u = new_session->unknown_processors ();
2845                 if (!u.empty()) {
2846                         MissingPluginDialog d (_session, u);
2847                         d.run ();
2848                 }
2849         }
2850
2851         /* Now the session been created, add the transport controls */
2852         new_session->add_controllable(roll_controllable);
2853         new_session->add_controllable(stop_controllable);
2854         new_session->add_controllable(goto_start_controllable);
2855         new_session->add_controllable(goto_end_controllable);
2856         new_session->add_controllable(auto_loop_controllable);
2857         new_session->add_controllable(play_selection_controllable);
2858         new_session->add_controllable(rec_controllable);
2859
2860         set_session (new_session);
2861
2862         session_loaded = true;
2863
2864         goto_editor_window ();
2865
2866         if (_session) {
2867                 _session->set_clean ();
2868         }
2869
2870         flush_pending ();
2871         retval = 0;
2872
2873   out:
2874         return retval;
2875 }
2876
2877 int
2878 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2879 {
2880         Session *new_session;
2881         int x;
2882
2883         if (!check_audioengine()) {
2884                 return -1;
2885         }
2886
2887         session_loaded = false;
2888
2889         x = unload_session ();
2890
2891         if (x < 0) {
2892                 return -1;
2893         } else if (x > 0) {
2894                 return 0;
2895         }
2896
2897         _session_is_new = true;
2898
2899         try {
2900                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2901         }
2902
2903         catch (...) {
2904
2905                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2906                 pop_back_splash (msg);
2907                 msg.run ();
2908                 return -1;
2909         }
2910
2911         /* Give the new session the default GUI state, if such things exist */
2912
2913         XMLNode* n;
2914         n = Config->instant_xml (X_("Editor"));
2915         if (n) {
2916                 new_session->add_instant_xml (*n, false);
2917         }
2918         n = Config->instant_xml (X_("Mixer"));
2919         if (n) {
2920                 new_session->add_instant_xml (*n, false);
2921         }
2922
2923         /* Put the playhead at 0 and scroll fully left */
2924         n = new_session->instant_xml (X_("Editor"));
2925         if (n) {
2926                 n->add_property (X_("playhead"), X_("0"));
2927                 n->add_property (X_("left-frame"), X_("0"));
2928         }
2929
2930         set_session (new_session);
2931
2932         session_loaded = true;
2933
2934         new_session->save_state(new_session->name());
2935
2936         return 0;
2937 }
2938
2939 void
2940 ARDOUR_UI::launch_chat ()
2941 {
2942 #ifdef __APPLE__
2943         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2944 #else
2945         open_uri("http://webchat.freenode.net/?channels=ardour");
2946 #endif
2947 }
2948
2949 void
2950 ARDOUR_UI::show_about ()
2951 {
2952         if (about == 0) {
2953                 about = new About;
2954                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2955         }
2956
2957         about->set_transient_for(*editor);
2958         about->show_all ();
2959 }
2960
2961 void
2962 ARDOUR_UI::launch_manual ()
2963 {
2964         PBD::open_uri (Config->get_tutorial_manual_url());
2965 }
2966
2967 void
2968 ARDOUR_UI::launch_reference ()
2969 {
2970         PBD::open_uri (Config->get_reference_manual_url());
2971 }
2972
2973 void
2974 ARDOUR_UI::hide_about ()
2975 {
2976         if (about) {
2977                 about->get_window()->set_cursor ();
2978                 about->hide ();
2979         }
2980 }
2981
2982 void
2983 ARDOUR_UI::about_signal_response (int /*response*/)
2984 {
2985         hide_about();
2986 }
2987
2988 void
2989 ARDOUR_UI::loading_message (const std::string& msg)
2990 {
2991         if (ARDOUR_COMMAND_LINE::no_splash) {
2992                 return;
2993         }
2994
2995         if (!splash) {
2996                 show_splash ();
2997         }
2998
2999         splash->message (msg);
3000 }
3001
3002 void
3003 ARDOUR_UI::show_splash ()
3004 {
3005         if (splash == 0) {
3006                 try {
3007                         splash = new Splash;
3008                 } catch (...) {
3009                         return;
3010                 }
3011         }
3012
3013         splash->display ();
3014 }
3015
3016 void
3017 ARDOUR_UI::hide_splash ()
3018 {
3019         delete splash;
3020         splash = 0;
3021 }
3022
3023 void
3024 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3025 {
3026         size_t removed;
3027
3028         removed = rep.paths.size();
3029
3030         if (removed == 0) {
3031                 MessageDialog msgd (*editor,
3032                                     _("No files were ready for clean-up"),
3033                                     true,
3034                                     Gtk::MESSAGE_INFO,
3035                                     Gtk::BUTTONS_OK);
3036                 msgd.set_title (_("Clean-up"));
3037                 msgd.set_secondary_text (_("If this seems suprising, \n\
3038 check for any existing snapshots.\n\
3039 These may still include regions that\n\
3040 require some unused files to continue to exist."));
3041
3042                 msgd.run ();
3043                 return;
3044         }
3045
3046         ArdourDialog results (_("Clean-up"), true, false);
3047
3048         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3049             CleanupResultsModelColumns() {
3050                     add (visible_name);
3051                     add (fullpath);
3052             }
3053             Gtk::TreeModelColumn<std::string> visible_name;
3054             Gtk::TreeModelColumn<std::string> fullpath;
3055         };
3056
3057
3058         CleanupResultsModelColumns results_columns;
3059         Glib::RefPtr<Gtk::ListStore> results_model;
3060         Gtk::TreeView results_display;
3061
3062         results_model = ListStore::create (results_columns);
3063         results_display.set_model (results_model);
3064         results_display.append_column (list_title, results_columns.visible_name);
3065
3066         results_display.set_name ("CleanupResultsList");
3067         results_display.set_headers_visible (true);
3068         results_display.set_headers_clickable (false);
3069         results_display.set_reorderable (false);
3070
3071         Gtk::ScrolledWindow list_scroller;
3072         Gtk::Label txt;
3073         Gtk::VBox dvbox;
3074         Gtk::HBox dhbox;  // the hbox for the image and text
3075         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3076         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3077
3078         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3079
3080         const string dead_directory = _session->session_directory().dead_path();
3081
3082         /* subst:
3083            %1 - number of files removed
3084            %2 - location of "dead"
3085            %3 - size of files affected
3086            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3087         */
3088
3089         const char* bprefix;
3090         double space_adjusted = 0;
3091
3092         if (rep.space < 1000) {
3093                 bprefix = X_("");
3094                 space_adjusted = rep.space;
3095         } else if (rep.space < 1000000) {
3096                 bprefix = _("kilo");
3097                 space_adjusted = truncf((float)rep.space / 1000.0);
3098         } else if (rep.space < 1000000 * 1000) {
3099                 bprefix = _("mega");
3100                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
3101         } else {
3102                 bprefix = _("giga");
3103                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
3104         }
3105
3106         if (msg_delete) {
3107                 txt.set_markup (string_compose (P_("\
3108 The following file was deleted from %2,\n\
3109 releasing %3 %4bytes of disk space", "\
3110 The following %1 files were deleted from %2,\n\
3111 releasing %3 %4bytes of disk space", removed),
3112                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3113         } else {
3114                 txt.set_markup (string_compose (P_("\
3115 The following file was not in use and \n\
3116 has been moved to: %2\n\n\
3117 After a restart of %5\n\n\
3118 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3119 will release an additional %3 %4bytes of disk space.\n", "\
3120 The following %1 files were not in use and \n\
3121 have been moved to: %2\n\n\
3122 After a restart of %5\n\n\
3123 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3124 will release an additional %3 %4bytes of disk space.\n", removed),
3125                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3126         }
3127
3128         dhbox.pack_start (*dimage, true, false, 5);
3129         dhbox.pack_start (txt, true, false, 5);
3130
3131         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3132                 TreeModel::Row row = *(results_model->append());
3133                 row[results_columns.visible_name] = *i;
3134                 row[results_columns.fullpath] = *i;
3135         }
3136
3137         list_scroller.add (results_display);
3138         list_scroller.set_size_request (-1, 150);
3139         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3140
3141         dvbox.pack_start (dhbox, true, false, 5);
3142         dvbox.pack_start (list_scroller, true, false, 5);
3143         ddhbox.pack_start (dvbox, true, false, 5);
3144
3145         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3146         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3147         results.set_default_response (RESPONSE_CLOSE);
3148         results.set_position (Gtk::WIN_POS_MOUSE);
3149
3150         results_display.show();
3151         list_scroller.show();
3152         txt.show();
3153         dvbox.show();
3154         dhbox.show();
3155         ddhbox.show();
3156         dimage->show();
3157
3158         //results.get_vbox()->show();
3159         results.set_resizable (false);
3160
3161         results.run ();
3162
3163 }
3164
3165 void
3166 ARDOUR_UI::cleanup ()
3167 {
3168         if (_session == 0) {
3169                 /* shouldn't happen: menu item is insensitive */
3170                 return;
3171         }
3172
3173
3174         MessageDialog checker (_("Are you sure you want to clean-up?"),
3175                                 true,
3176                                 Gtk::MESSAGE_QUESTION,
3177                                 Gtk::BUTTONS_NONE);
3178
3179         checker.set_title (_("Clean-up"));
3180
3181         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3182 ALL undo/redo information will be lost if you clean-up.\n\
3183 Clean-up will move all unused files to a \"dead\" location."));
3184
3185         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3186         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3187         checker.set_default_response (RESPONSE_CANCEL);
3188
3189         checker.set_name (_("CleanupDialog"));
3190         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3191         checker.set_position (Gtk::WIN_POS_MOUSE);
3192
3193         switch (checker.run()) {
3194         case RESPONSE_ACCEPT:
3195                 break;
3196         default:
3197                 return;
3198         }
3199
3200         ARDOUR::CleanupReport rep;
3201
3202         editor->prepare_for_cleanup ();
3203
3204         /* do not allow flush until a session is reloaded */
3205
3206         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3207         if (act) {
3208                 act->set_sensitive (false);
3209         }
3210
3211         if (_session->cleanup_sources (rep)) {
3212                 editor->finish_cleanup ();
3213                 return;
3214         }
3215
3216         editor->finish_cleanup ();
3217
3218         checker.hide();
3219         display_cleanup_results (rep, _("Cleaned Files"), false);
3220 }
3221
3222 void
3223 ARDOUR_UI::flush_trash ()
3224 {
3225         if (_session == 0) {
3226                 /* shouldn't happen: menu item is insensitive */
3227                 return;
3228         }
3229
3230         ARDOUR::CleanupReport rep;
3231
3232         if (_session->cleanup_trash_sources (rep)) {
3233                 return;
3234         }
3235
3236         display_cleanup_results (rep, _("deleted file"), true);
3237 }
3238
3239 void
3240 ARDOUR_UI::add_route (Gtk::Window* float_window)
3241 {
3242         int count;
3243
3244         if (!_session) {
3245                 return;
3246         }
3247
3248         if (add_route_dialog == 0) {
3249                 add_route_dialog = new AddRouteDialog (_session);
3250                 add_route_dialog->set_position (WIN_POS_MOUSE);
3251                 if (float_window) {
3252                         add_route_dialog->set_transient_for (*float_window);
3253                 }
3254         }
3255
3256         if (add_route_dialog->is_visible()) {
3257                 /* we're already doing this */
3258                 return;
3259         }
3260
3261         ResponseType r = (ResponseType) add_route_dialog->run ();
3262
3263         add_route_dialog->hide();
3264
3265         switch (r) {
3266                 case RESPONSE_ACCEPT:
3267                         break;
3268                 default:
3269                         return;
3270                         break;
3271         }
3272
3273         if ((count = add_route_dialog->count()) <= 0) {
3274                 return;
3275         }
3276
3277         PBD::ScopedConnection idle_connection;
3278
3279         if (count > 8) {
3280                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3281         }
3282
3283         string template_path = add_route_dialog->track_template();
3284
3285         if (!template_path.empty()) {
3286                 if (add_route_dialog->name_template_is_default())  {
3287                         _session->new_route_from_template (count, template_path, string());
3288                 } else {
3289                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3290                 }
3291                 return;
3292         }
3293
3294         ChanCount input_chan= add_route_dialog->channels ();
3295         ChanCount output_chan;
3296         string name_template = add_route_dialog->name_template ();
3297         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3298         RouteGroup* route_group = add_route_dialog->route_group ();
3299         AutoConnectOption oac = Config->get_output_auto_connect();
3300
3301         if (oac & AutoConnectMaster) {
3302                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3303                 output_chan.set (DataType::MIDI, 0);
3304         } else {
3305                 output_chan = input_chan;
3306         }
3307
3308         /* XXX do something with name template */
3309
3310         switch (add_route_dialog->type_wanted()) {
3311         case AddRouteDialog::AudioTrack:
3312                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3313                 break;
3314         case AddRouteDialog::MidiTrack:
3315                 session_add_midi_track (route_group, count, name_template, instrument);
3316                 break;
3317         case AddRouteDialog::MixedTrack:
3318                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3319                 break;
3320         case AddRouteDialog::AudioBus:
3321                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3322                 break;
3323         }
3324
3325         /* idle connection will end at scope end */
3326 }
3327
3328 void
3329 ARDOUR_UI::stop_video_server (bool ask_confirm)
3330 {
3331         if (!video_server_process && ask_confirm) {
3332                 warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
3333         }
3334         if (video_server_process) {
3335                 if(ask_confirm) {
3336                         ArdourDialog confirm (_("Stop Video-Server"), true);
3337                         Label m (_("Do you really want to stop the Video Server?"));
3338                         confirm.get_vbox()->pack_start (m, true, true);
3339                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3340                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3341                         confirm.show_all ();
3342                         if (confirm.run() == RESPONSE_CANCEL) {
3343                                 return;
3344                         }
3345                 }
3346                 delete video_server_process;
3347                 video_server_process =0;
3348         }
3349 }
3350
3351 void
3352 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3353 {
3354   ARDOUR_UI::start_video_server( float_window, true);
3355 }
3356
3357 bool
3358 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3359 {
3360         if (!_session) {
3361                 return false;
3362         }
3363         if (popup_msg) {
3364                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3365                         if (video_server_process) {
3366                                 popup_error(_("The Video Server is already started."));
3367                         } else {
3368                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3369                         }
3370                 }
3371         }
3372
3373         int firsttime = 0;
3374         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3375                 if (firsttime++) {
3376                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3377                 }
3378                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3379                 if (float_window) {
3380                         video_server_dialog->set_transient_for (*float_window);
3381                 }
3382
3383                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3384                         video_server_dialog->hide();
3385                 } else {
3386                         ResponseType r = (ResponseType) video_server_dialog->run ();
3387                         video_server_dialog->hide();
3388                         if (r != RESPONSE_ACCEPT) { return false; }
3389                         if (video_server_dialog->show_again()) {
3390                                 Config->set_show_video_server_dialog(false);
3391                         }
3392                 }
3393
3394                 std::string icsd_exec = video_server_dialog->get_exec_path();
3395                 std::string icsd_docroot = video_server_dialog->get_docroot();
3396                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3397
3398                 struct stat sb;
3399                 if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3400                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3401                         continue;
3402                 }
3403                 if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
3404                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3405                         warning << _("Given Video Server is not an executable file.") << endmsg;
3406                         continue;
3407                 }
3408
3409                 char **argp;
3410                 argp=(char**) calloc(9,sizeof(char*));
3411                 argp[0] = strdup(icsd_exec.c_str());
3412                 argp[1] = strdup("-P");
3413                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3414                 argp[3] = strdup("-p");
3415                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3416                 argp[5] = strdup("-C");
3417                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3418                 argp[7] = strdup(icsd_docroot.c_str());
3419                 argp[8] = 0;
3420                 stop_video_server();
3421
3422                 if (icsd_docroot == X_("/")) {
3423                         Config->set_video_advanced_setup(false);
3424                 } else {
3425                         std::ostringstream osstream;
3426                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3427                         Config->set_video_server_url(osstream.str());
3428                         Config->set_video_server_docroot(icsd_docroot);
3429                         Config->set_video_advanced_setup(true);
3430                 }
3431
3432                 video_server_process = new SystemExec(icsd_exec, argp);
3433                 video_server_process->start();
3434                 sleep(1);
3435         }
3436         return true;
3437 }
3438
3439 void
3440 ARDOUR_UI::add_video (Gtk::Window* float_window)
3441 {
3442         if (!_session) {
3443                 return;
3444         }
3445
3446         if (!start_video_server(float_window, false)) {
3447                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3448                 return;
3449         }
3450
3451         if (add_video_dialog == 0) {
3452                 add_video_dialog = new AddVideoDialog (_session);
3453                 if (float_window) {
3454                         add_video_dialog->set_transient_for (*float_window);
3455                 }
3456         }
3457
3458         if (add_video_dialog->is_visible()) {
3459                 /* we're already doing this */
3460                 return;
3461         }
3462         ResponseType r = (ResponseType) add_video_dialog->run ();
3463         add_video_dialog->hide();
3464         if (r != RESPONSE_ACCEPT) { return; }
3465
3466         bool local_file;
3467         std::string path = add_video_dialog->file_name(local_file);
3468         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3469
3470         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3471                 warning << string_compose(_("could not open %1"), path) << endmsg;
3472                 return;
3473         }
3474         if (!local_file && path.length() == 0) {
3475                 warning << _("no video-file selected") << endmsg;
3476                 return;
3477         }
3478
3479         switch (add_video_dialog->import_option()) {
3480                 case VTL_IMPORT_TRANSCODE:
3481                         {
3482                                 TranscodeVideoDialog *transcode_video_dialog;
3483                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3484                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3485                                 transcode_video_dialog->hide();
3486                                 if (r != RESPONSE_ACCEPT) {
3487                                         delete transcode_video_dialog;
3488                                         return;
3489                                 }
3490                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3491                                         editor->embed_audio_from_video(transcode_video_dialog->get_audiofile());
3492                                 }
3493                                 switch (transcode_video_dialog->import_option()) {
3494                                         case VTL_IMPORT_TRANSCODED:
3495                                                 path = transcode_video_dialog->get_filename();
3496                                                 local_file = true;
3497                                                 break;
3498                                         case VTL_IMPORT_REFERENCE:
3499                                                 break;
3500                                         default:
3501                                                 delete transcode_video_dialog;
3502                                                 return;
3503                                 }
3504                                 delete transcode_video_dialog;
3505                         }
3506                         break;
3507                 default:
3508                 case VTL_IMPORT_NONE:
3509                         break;
3510         }
3511
3512         /* strip _session->session_directory().video_path() from video file if possible */
3513         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3514                  path=path.substr(_session->session_directory().video_path().size());
3515                  if (path.at(0) == G_DIR_SEPARATOR) {
3516                          path=path.substr(1);
3517                  }
3518         }
3519
3520         video_timeline->set_update_session_fps(auto_set_session_fps);
3521         if (video_timeline->video_file_info(path, local_file)) {
3522                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3523                 node->add_property (X_("Filename"), path);
3524                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3525                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3526                 _session->add_extra_xml (*node);
3527                 _session->set_dirty ();
3528
3529                 _session->maybe_update_session_range(
3530                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3531                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3532
3533
3534                 if (add_video_dialog->launch_xjadeo() && local_file) {
3535                         editor->set_xjadeo_sensitive(true);
3536                         editor->toggle_xjadeo_proc(1);
3537                 } else {
3538                         editor->toggle_xjadeo_proc(0);
3539                 }
3540                 editor->toggle_ruler_video(true);
3541         }
3542 }
3543
3544 void
3545 ARDOUR_UI::remove_video ()
3546 {
3547         video_timeline->close_session();
3548         editor->toggle_ruler_video(false);
3549
3550         /* delete session state */
3551         XMLNode* node = new XMLNode(X_("Videotimeline"));
3552         _session->add_extra_xml(*node);
3553         node = new XMLNode(X_("Videomonitor"));
3554         _session->add_extra_xml(*node);
3555         stop_video_server();
3556 }
3557
3558 void
3559 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3560 {
3561         if (localcacheonly) {
3562                 video_timeline->vmon_update();
3563         } else {
3564                 video_timeline->flush_cache();
3565         }
3566         editor->queue_visual_videotimeline_update();
3567 }
3568
3569 XMLNode*
3570 ARDOUR_UI::mixer_settings () const
3571 {
3572         XMLNode* node = 0;
3573
3574         if (_session) {
3575                 node = _session->instant_xml(X_("Mixer"));
3576         } else {
3577                 node = Config->instant_xml(X_("Mixer"));
3578         }
3579
3580         if (!node) {
3581                 node = new XMLNode (X_("Mixer"));
3582         }
3583
3584         return node;
3585 }
3586
3587 XMLNode*
3588 ARDOUR_UI::editor_settings () const
3589 {
3590         XMLNode* node = 0;
3591
3592         if (_session) {
3593                 node = _session->instant_xml(X_("Editor"));
3594         } else {
3595                 node = Config->instant_xml(X_("Editor"));
3596         }
3597
3598         if (!node) {
3599                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3600                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3601                 }
3602         }
3603
3604         if (!node) {
3605                 node = new XMLNode (X_("Editor"));
3606         }
3607
3608         return node;
3609 }
3610
3611 XMLNode*
3612 ARDOUR_UI::keyboard_settings () const
3613 {
3614         XMLNode* node = 0;
3615
3616         node = Config->extra_xml(X_("Keyboard"));
3617
3618         if (!node) {
3619                 node = new XMLNode (X_("Keyboard"));
3620         }
3621
3622         return node;
3623 }
3624
3625 void
3626 ARDOUR_UI::create_xrun_marker (framepos_t where)
3627 {
3628         editor->mouse_add_new_marker (where, false, true);
3629 }
3630
3631 void
3632 ARDOUR_UI::halt_on_xrun_message ()
3633 {
3634         MessageDialog msg (*editor,
3635                            _("Recording was stopped because your system could not keep up."));
3636         msg.run ();
3637 }
3638
3639 void
3640 ARDOUR_UI::xrun_handler (framepos_t where)
3641 {
3642         if (!_session) {
3643                 return;
3644         }
3645
3646         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3647
3648         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3649                 create_xrun_marker(where);
3650         }
3651
3652         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3653                 halt_on_xrun_message ();
3654         }
3655 }
3656
3657 void
3658 ARDOUR_UI::disk_overrun_handler ()
3659 {
3660         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3661
3662         if (!have_disk_speed_dialog_displayed) {
3663                 have_disk_speed_dialog_displayed = true;
3664                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3665 The disk system on your computer\n\
3666 was not able to keep up with %1.\n\
3667 \n\
3668 Specifically, it failed to write data to disk\n\
3669 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3670                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3671                 msg->show ();
3672         }
3673 }
3674
3675 void
3676 ARDOUR_UI::disk_underrun_handler ()
3677 {
3678         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3679
3680         if (!have_disk_speed_dialog_displayed) {
3681                 have_disk_speed_dialog_displayed = true;
3682                 MessageDialog* msg = new MessageDialog (
3683                         *editor, string_compose (_("The disk system on your computer\n\
3684 was not able to keep up with %1.\n\
3685 \n\
3686 Specifically, it failed to read data from disk\n\
3687 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3688                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3689                 msg->show ();
3690         }
3691 }
3692
3693 void
3694 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3695 {
3696         have_disk_speed_dialog_displayed = false;
3697         delete msg;
3698 }
3699
3700 void
3701 ARDOUR_UI::session_dialog (std::string msg)
3702 {
3703         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3704
3705         MessageDialog* d;
3706
3707         if (editor) {
3708                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3709         } else {
3710                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3711         }
3712
3713         d->show_all ();
3714         d->run ();
3715         delete d;
3716 }
3717
3718 int
3719 ARDOUR_UI::pending_state_dialog ()
3720 {
3721         HBox* hbox = new HBox();
3722         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3723         ArdourDialog dialog (_("Crash Recovery"), true);
3724         Label  message (string_compose (_("\
3725 This session appears to have been in the\n\
3726 middle of recording when %1 or\n\
3727 the computer was shutdown.\n\
3728 \n\
3729 %1 can recover any captured audio for\n\
3730 you, or it can ignore it. Please decide\n\
3731 what you would like to do.\n"), PROGRAM_NAME));
3732         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3733         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3734         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3735         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3736         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3737         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3738         dialog.set_default_response (RESPONSE_ACCEPT);
3739         dialog.set_position (WIN_POS_CENTER);
3740         message.show();
3741         image->show();
3742         hbox->show();
3743
3744         switch (dialog.run ()) {
3745         case RESPONSE_ACCEPT:
3746                 return 1;
3747         default:
3748                 return 0;
3749         }
3750 }
3751
3752 int
3753 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3754 {
3755         HBox* hbox = new HBox();
3756         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3757         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3758         Label  message (string_compose (_("\
3759 This session was created with a sample rate of %1 Hz, but\n\
3760 %2 is currently running at %3 Hz.  If you load this session,\n\
3761 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3762
3763         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3764         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3765         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3766         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3767         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3768         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3769         dialog.set_default_response (RESPONSE_ACCEPT);
3770         dialog.set_position (WIN_POS_CENTER);
3771         message.show();
3772         image->show();
3773         hbox->show();
3774
3775         switch (dialog.run ()) {
3776         case RESPONSE_ACCEPT:
3777                 return 0;
3778         default:
3779                 return 1;
3780         }
3781 }
3782
3783
3784 void
3785 ARDOUR_UI::disconnect_from_jack ()
3786 {
3787         if (engine) {
3788                 if (engine->disconnect_from_jack ()) {
3789                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3790                         msg.run ();
3791                 }
3792
3793                 update_sample_rate (0);
3794         }
3795 }
3796
3797 void
3798 ARDOUR_UI::reconnect_to_jack ()
3799 {
3800         if (engine) {
3801                 if (engine->reconnect_to_jack ()) {
3802                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3803                         msg.run ();
3804                 }
3805
3806                 update_sample_rate (0);
3807         }
3808 }
3809
3810 void
3811 ARDOUR_UI::use_config ()
3812 {
3813         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3814         if (node) {
3815                 set_transport_controllable_state (*node);
3816         }
3817 }
3818
3819 void
3820 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3821 {
3822         if (Config->get_primary_clock_delta_edit_cursor()) {
3823                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3824         } else {
3825                 primary_clock->set (pos);
3826         }
3827
3828         if (Config->get_secondary_clock_delta_edit_cursor()) {
3829                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3830         } else {
3831                 secondary_clock->set (pos);
3832         }
3833
3834         if (big_clock_window->get()) {
3835                 big_clock->set (pos);
3836         }
3837         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
3838 }
3839
3840
3841 void
3842 ARDOUR_UI::step_edit_status_change (bool yn)
3843 {
3844         // XXX should really store pre-step edit status of things
3845         // we make insensitive
3846
3847         if (yn) {
3848                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3849                 rec_button.set_sensitive (false);
3850         } else {
3851                 rec_button.unset_active_state ();;
3852                 rec_button.set_sensitive (true);
3853         }
3854 }
3855
3856 void
3857 ARDOUR_UI::record_state_changed ()
3858 {
3859         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3860
3861         if (!_session || !big_clock_window->get()) {
3862                 /* why bother - the clock isn't visible */
3863                 return;
3864         }
3865
3866         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3867                 big_clock->set_active (true);
3868         } else {
3869                 big_clock->set_active (false);
3870         }
3871 }
3872
3873 bool
3874 ARDOUR_UI::first_idle ()
3875 {
3876         if (_session) {
3877                 _session->allow_auto_play (true);
3878         }
3879
3880         if (editor) {
3881                 editor->first_idle();
3882         }
3883
3884         Keyboard::set_can_save_keybindings (true);
3885         return false;
3886 }
3887
3888 void
3889 ARDOUR_UI::store_clock_modes ()
3890 {
3891         XMLNode* node = new XMLNode(X_("ClockModes"));
3892
3893         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3894                 XMLNode* child = new XMLNode (X_("Clock"));
3895
3896                 child->add_property (X_("name"), (*x)->name());
3897                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3898                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3899
3900                 node->add_child_nocopy (*child);
3901         }
3902
3903         _session->add_extra_xml (*node);
3904         _session->set_dirty ();
3905 }
3906
3907 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3908         : Controllable (name), ui (u), type(tp)
3909 {
3910
3911 }
3912
3913 void
3914 ARDOUR_UI::TransportControllable::set_value (double val)
3915 {
3916         if (val < 0.5) {
3917                 /* do nothing: these are radio-style actions */
3918                 return;
3919         }
3920
3921         const char *action = 0;
3922
3923         switch (type) {
3924         case Roll:
3925                 action = X_("Roll");
3926                 break;
3927         case Stop:
3928                 action = X_("Stop");
3929                 break;
3930         case GotoStart:
3931                 action = X_("GotoStart");
3932                 break;
3933         case GotoEnd:
3934                 action = X_("GotoEnd");
3935                 break;
3936         case AutoLoop:
3937                 action = X_("Loop");
3938                 break;
3939         case PlaySelection:
3940                 action = X_("PlaySelection");
3941                 break;
3942         case RecordEnable:
3943                 action = X_("Record");
3944                 break;
3945         default:
3946                 break;
3947         }
3948
3949         if (action == 0) {
3950                 return;
3951         }
3952
3953         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3954
3955         if (act) {
3956                 act->activate ();
3957         }
3958 }
3959
3960 double
3961 ARDOUR_UI::TransportControllable::get_value (void) const
3962 {
3963         float val = 0.0;
3964
3965         switch (type) {
3966         case Roll:
3967                 break;
3968         case Stop:
3969                 break;
3970         case GotoStart:
3971                 break;
3972         case GotoEnd:
3973                 break;
3974         case AutoLoop:
3975                 break;
3976         case PlaySelection:
3977                 break;
3978         case RecordEnable:
3979                 break;
3980         default:
3981                 break;
3982         }
3983
3984         return val;
3985 }
3986
3987 void
3988 ARDOUR_UI::setup_profile ()
3989 {
3990         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3991                 Profile->set_small_screen ();
3992         }
3993
3994         if (getenv ("ARDOUR_SAE")) {
3995                 Profile->set_sae ();
3996                 Profile->set_single_package ();
3997         }
3998 }
3999
4000 /** Add a window proxy to our list, so that its state will be saved.
4001  *  This call also causes the window to be created and opened if its
4002  *  state was saved as `visible'.
4003  */
4004 void
4005 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
4006 {
4007         _window_proxies.push_back (p);
4008         p->maybe_show ();
4009 }
4010
4011 /** Remove a window proxy from our list.  Must be called if a WindowProxy
4012  *  is deleted, to prevent hanging pointers.
4013  */
4014 void
4015 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
4016 {
4017         _window_proxies.remove (p);
4018 }
4019
4020 int
4021 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4022 {
4023         MissingFileDialog dialog (s, str, type);
4024
4025         dialog.show ();
4026         dialog.present ();
4027
4028         int result = dialog.run ();
4029         dialog.hide ();
4030
4031         switch (result) {
4032         case RESPONSE_OK:
4033                 break;
4034         default:
4035                 return 1; // quit entire session load
4036         }
4037
4038         result = dialog.get_action ();
4039
4040         return result;
4041 }
4042
4043 int
4044 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
4045 {
4046         AmbiguousFileDialog dialog (file, hits);
4047
4048         dialog.show ();
4049         dialog.present ();
4050
4051         dialog.run ();
4052         return dialog.get_which ();
4053 }
4054
4055 /** Allocate our thread-local buffers */
4056 void
4057 ARDOUR_UI::get_process_buffers ()
4058 {
4059         _process_thread->get_buffers ();
4060 }
4061
4062 /** Drop our thread-local buffers */
4063 void
4064 ARDOUR_UI::drop_process_buffers ()
4065 {
4066         _process_thread->drop_buffers ();
4067 }
4068
4069 void
4070 ARDOUR_UI::feedback_detected ()
4071 {
4072         _feedback_exists = true;
4073 }
4074
4075 void
4076 ARDOUR_UI::successful_graph_sort ()
4077 {
4078         _feedback_exists = false;
4079 }
4080
4081 void
4082 ARDOUR_UI::midi_panic ()
4083 {
4084         if (_session) {
4085                 _session->midi_panic();
4086         }
4087 }
4088
4089 void
4090 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4091 {
4092         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4093         const char* end_big = "</span>";
4094         const char* start_mono = "<tt>";
4095         const char* end_mono = "</tt>";
4096
4097         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4098                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4099                                              "From now on, use the -2000 version with older versions of %3"),
4100                                            xml_path, backup_path, PROGRAM_NAME,
4101                                            start_big, end_big,
4102                                            start_mono, end_mono), true);
4103
4104         msg.run ();
4105 }