gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2007 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/port.h"
  71 #include "ardour/process_thread.h"
  72 #include "ardour/profile.h"
  73 #include "ardour/recent_sessions.h"
  74 #include "ardour/session_directory.h"
  75 #include "ardour/session_route.h"
  76 #include "ardour/session_state_utils.h"
  77 #include "ardour/session_utils.h"
  78 #include "ardour/slave.h"
  79
  80 #include "timecode/time.h"
  81
  82 typedef uint64_t microseconds_t;
  83
  84 #include "about.h"
  85 #include "actions.h"
  86 #include "add_route_dialog.h"
  87 #include "ambiguous_file_dialog.h"
  88 #include "ardour_ui.h"
  89 #include "audio_clock.h"
  90 #include "bundle_manager.h"
  91 #include "engine_dialog.h"
  92 #include "gain_meter.h"
  93 #include "global_port_matrix.h"
  94 #include "gui_object.h"
  95 #include "gui_thread.h"
  96 #include "keyboard.h"
  97 #include "location_ui.h"
  98 #include "main_clock.h"
  99 #include "missing_file_dialog.h"
 100 #include "missing_plugin_dialog.h"
 101 #include "mixer_ui.h"
 102 #include "mouse_cursors.h"
 103 #include "opts.h"
 104 #include "processor_box.h"
 105 #include "prompter.h"
 106 #include "public_editor.h"
 107 #include "route_time_axis.h"
 108 #include "session_metadata_dialog.h"
 109 #include "shuttle_control.h"
 110 #include "speaker_dialog.h"
 111 #include "splash.h"
 112 #include "startup.h"
 113 #include "theme_manager.h"
 114 #include "time_axis_view_item.h"
 115 #include "utils.h"
 116 #include "window_proxy.h"
 117
 118 #include "i18n.h"
 119
 120 using namespace ARDOUR;
 121 using namespace PBD;
 122 using namespace Gtkmm2ext;
 123 using namespace Gtk;
 124 using namespace std;
 125
 126 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 127 UIConfiguration *ARDOUR_UI::ui_config = 0;
 128
 129 sigc::signal<void,bool> ARDOUR_UI::Blink;
 130 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 131 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 132 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 133
 134 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
 135
 136         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 137
 138         , gui_object_state (new GUIObjectState)
 139         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 140         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 141
 142           /* big clock */
 143
 144         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 145
 146           /* transport */
 147
 148         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 149         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 150         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 151         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 152         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 153         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 154         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 155
 156         , auto_return_button (ArdourButton::led_default_elements)
 157         , follow_edits_button (ArdourButton::led_default_elements)
 158         , auto_input_button (ArdourButton::led_default_elements)
 159
 160         , auditioning_alert_button (_("audition"))
 161         , solo_alert_button (_("solo"))
 162         , feedback_alert_button (_("feedback"))
 163
 164         , error_log_button (_("Errors"))
 165
 166         , _status_bar_visibility (X_("status-bar"))
 167         , _feedback_exists (false)
 168
 169 {
 170         Gtkmm2ext::init();
 171
 172         about = 0;
 173         splash = 0;
 174         _startup = 0;
 175
 176         if (theArdourUI == 0) {
 177                 theArdourUI = this;
 178         }
 179
 180         ui_config = new UIConfiguration();
 181         theme_manager = new ThemeManager();
 182
 183         key_editor = 0;
 184
 185         editor = 0;
 186         mixer = 0;
 187         editor = 0;
 188         engine = 0;
 189         _session_is_new = false;
 190         big_clock_window = 0;
 191         big_clock_height = 0;
 192         big_clock_resize_in_progress = false;
 193         session_selector_window = 0;
 194         last_key_press_time = 0;
 195         add_route_dialog = 0;
 196         route_params = 0;
 197         bundle_manager = 0;
 198         rc_option_editor = 0;
 199         session_option_editor = 0;
 200         location_ui = 0;
 201         open_session_selector = 0;
 202         have_configure_timeout = false;
 203         have_disk_speed_dialog_displayed = false;
 204         session_loaded = false;
 205         ignore_dual_punch = false;
 206         original_big_clock_width = -1;
 207         original_big_clock_height = -1;
 208         original_big_clock_font_size = 0;
 209
 210         roll_button.set_controllable (roll_controllable);
 211         stop_button.set_controllable (stop_controllable);
 212         goto_start_button.set_controllable (goto_start_controllable);
 213         goto_end_button.set_controllable (goto_end_controllable);
 214         auto_loop_button.set_controllable (auto_loop_controllable);
 215         play_selection_button.set_controllable (play_selection_controllable);
 216         rec_button.set_controllable (rec_controllable);
 217
 218         roll_button.set_name ("transport button");
 219         stop_button.set_name ("transport button");
 220         goto_start_button.set_name ("transport button");
 221         goto_end_button.set_name ("transport button");
 222         auto_loop_button.set_name ("transport button");
 223         play_selection_button.set_name ("transport button");
 224         rec_button.set_name ("transport recenable button");
 225         midi_panic_button.set_name ("transport button");
 226
 227         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 228         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 229         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 230
 231         last_configure_time= 0;
 232         last_peak_grab = 0;
 233
 234         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 235         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 236
 237         /* handle dialog requests */
 238
 239         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 240
 241         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 242
 243         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 244
 245         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 246
 247         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 248
 249         /* handle requests to quit (coming from JACK session) */
 250
 251         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 252
 253         /* tell the user about feedback */
 254
 255         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 256         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 257
 258         /* handle requests to deal with missing files */
 259
 260         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 261
 262         /* and ambiguous files */
 263
 264         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
 265
 266         /* lets get this party started */
 267
 268         try {
 269                 if (ARDOUR::init (ARDOUR_COMMAND_LINE::use_vst, ARDOUR_COMMAND_LINE::try_hw_optimization)) {
 270                         throw failed_constructor ();
 271                 }
 272
 273                 setup_gtk_ardour_enums ();
 274                 setup_profile ();
 275
 276                 GainMeter::setup_slider_pix ();
 277                 RouteTimeAxisView::setup_slider_pix ();
 278                 ProcessorEntry::setup_slider_pix ();
 279                 SessionEvent::create_per_thread_pool ("GUI", 512);
 280
 281         } catch (failed_constructor& err) {
 282                 error << string_compose (_("could not initialize %1."), PROGRAM_NAME) << endmsg;
 283                 // pass it on up
 284                 throw;
 285         }
 286
 287         /* we like keyboards */
 288
 289         keyboard = new ArdourKeyboard(*this);
 290
 291         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 292         if (node) {
 293                 keyboard->set_state (*node, Stateful::loading_state_version);
 294         }
 295
 296         /* we don't like certain modifiers */
 297         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 298
 299         reset_dpi();
 300
 301         TimeAxisViewItem::set_constant_heights ();
 302
 303         /* The following must happen after ARDOUR::init() so that Config is set up */
 304
 305         location_ui = new ActionWindowProxy<LocationUIWindow> (X_("locations"), Config->extra_xml (X_("UI")), X_("ToggleLocations"));
 306         big_clock_window = new ActionWindowProxy<Gtk::Window> (X_("bigclock"), Config->extra_xml (X_("UI")), X_("ToggleBigClock"));
 307         speaker_config_window = new ActionWindowProxy<SpeakerDialog> (X_("speakerconf"), Config->extra_xml (X_("UI")), X_("toggle-speaker-config"));
 308
 309         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 310                 _global_port_matrix[*i] = new ActionWindowProxy<GlobalPortMatrixWindow> (
 311                         string_compose ("GlobalPortMatrix-%1", (*i).to_string()),
 312                         Config->extra_xml (X_("UI")),
 313                         string_compose ("toggle-%1-connection-manager", (*i).to_string())
 314                         );
 315         }
 316
 317         setup_clock ();
 318
 319         SpeakerDialog* s = new SpeakerDialog ();
 320         s->signal_unmap().connect (sigc::bind (sigc::ptr_fun (&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/toggle-speaker-config")));
 321         speaker_config_window->set (s);
 322
 323         starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
 324         stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
 325
 326         _process_thread = new ProcessThread ();
 327         _process_thread->init ();
 328
 329         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 330 }
 331
 332
 333 int
 334 ARDOUR_UI::create_engine ()
 335 {
 336         // this gets called every time by new_session()
 337
 338         if (engine) {
 339                 return 0;
 340         }
 341
 342         loading_message (_("Starting audio engine"));
 343
 344         try {
 345                 engine = new ARDOUR::AudioEngine (ARDOUR_COMMAND_LINE::jack_client_name, ARDOUR_COMMAND_LINE::jack_session_uuid);
 346
 347         } catch (...) {
 348
 349                 return -1;
 350         }
 351
 352         engine->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 353         engine->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 354         engine->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 355
 356         engine->Halted.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 357
 358         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 359
 360         post_engine ();
 361
 362         return 0;
 363 }
 364
 365 void
 366 ARDOUR_UI::post_engine ()
 367 {
 368         /* Things to be done once we create the AudioEngine
 369          */
 370
 371         ARDOUR::init_post_engine ();
 372
 373         /* load up the UI manager */
 374
 375         ActionManager::init ();
 376
 377         _tooltips.enable();
 378
 379         if (setup_windows ()) {
 380                 throw failed_constructor ();
 381         }
 382
 383         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 384         XMLNode* n = Config->extra_xml (X_("UI"));
 385         if (n) {
 386                 _status_bar_visibility.set_state (*n);
 387         }
 388
 389         check_memory_locking();
 390
 391         /* this is the first point at which all the keybindings are available */
 392
 393         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 394                 vector<string> names;
 395                 vector<string> paths;
 396                 vector<string> tooltips;
 397                 vector<string> keys;
 398                 vector<AccelKey> bindings;
 399
 400                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 401
 402                 vector<string>::iterator n;
 403                 vector<string>::iterator k;
 404                 for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
 405                         cout << "Action: " << (*n) << " bound to " << (*k) << endl;
 406                 }
 407
 408                 exit (0);
 409         }
 410
 411         blink_timeout_tag = -1;
 412
 413         /* this being a GUI and all, we want peakfiles */
 414
 415         AudioFileSource::set_build_peakfiles (true);
 416         AudioFileSource::set_build_missing_peakfiles (true);
 417
 418         /* set default clock modes */
 419
 420         if (Profile->get_sae()) {
 421                 primary_clock->set_mode (AudioClock::BBT);
 422                 secondary_clock->set_mode (AudioClock::MinSec);
 423         }  else {
 424                 primary_clock->set_mode (AudioClock::Timecode);
 425                 secondary_clock->set_mode (AudioClock::BBT);
 426         }
 427
 428         /* start the time-of-day-clock */
 429
 430 #ifndef GTKOSX
 431         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 432         update_wall_clock ();
 433         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 434 #endif
 435
 436         update_disk_space ();
 437         update_cpu_load ();
 438         update_sample_rate (engine->frame_rate());
 439         update_timecode_format ();
 440
 441         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 442         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 443         Config->map_parameters (pc);
 444
 445         /* now start and maybe save state */
 446
 447         if (do_engine_start () == 0) {
 448                 if (_session && _session_is_new) {
 449                         /* we need to retain initial visual
 450                            settings for a new session
 451                         */
 452                         _session->save_state ("");
 453                 }
 454         }
 455 }
 456
 457 ARDOUR_UI::~ARDOUR_UI ()
 458 {
 459         delete keyboard;
 460         delete editor;
 461         delete mixer;
 462         delete add_route_dialog;
 463 }
 464
 465 void
 466 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 467 {
 468         if (Splash::instance()) {
 469                 Splash::instance()->pop_back_for (win);
 470         }
 471 }
 472
 473 gint
 474 ARDOUR_UI::configure_timeout ()
 475 {
 476         if (last_configure_time == 0) {
 477                 /* no configure events yet */
 478                 return true;
 479         }
 480
 481         /* force a gap of 0.5 seconds since the last configure event
 482          */
 483
 484         if (get_microseconds() - last_configure_time < 500000) {
 485                 return true;
 486         } else {
 487                 have_configure_timeout = false;
 488                 save_ardour_state ();
 489                 return false;
 490         }
 491 }
 492
 493 gboolean
 494 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 495 {
 496         if (have_configure_timeout) {
 497                 last_configure_time = get_microseconds();
 498         } else {
 499                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 500                 have_configure_timeout = true;
 501         }
 502
 503         return FALSE;
 504 }
 505
 506 void
 507 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 508 {
 509         const XMLProperty* prop;
 510
 511         if ((prop = node.property ("roll")) != 0) {
 512                 roll_controllable->set_id (prop->value());
 513         }
 514         if ((prop = node.property ("stop")) != 0) {
 515                 stop_controllable->set_id (prop->value());
 516         }
 517         if ((prop = node.property ("goto-start")) != 0) {
 518                 goto_start_controllable->set_id (prop->value());
 519         }
 520         if ((prop = node.property ("goto-end")) != 0) {
 521                 goto_end_controllable->set_id (prop->value());
 522         }
 523         if ((prop = node.property ("auto-loop")) != 0) {
 524                 auto_loop_controllable->set_id (prop->value());
 525         }
 526         if ((prop = node.property ("play-selection")) != 0) {
 527                 play_selection_controllable->set_id (prop->value());
 528         }
 529         if ((prop = node.property ("rec")) != 0) {
 530                 rec_controllable->set_id (prop->value());
 531         }
 532         if ((prop = node.property ("shuttle")) != 0) {
 533                 shuttle_box->controllable()->set_id (prop->value());
 534         }
 535 }
 536
 537 XMLNode&
 538 ARDOUR_UI::get_transport_controllable_state ()
 539 {
 540         XMLNode* node = new XMLNode(X_("TransportControllables"));
 541         char buf[64];
 542
 543         roll_controllable->id().print (buf, sizeof (buf));
 544         node->add_property (X_("roll"), buf);
 545         stop_controllable->id().print (buf, sizeof (buf));
 546         node->add_property (X_("stop"), buf);
 547         goto_start_controllable->id().print (buf, sizeof (buf));
 548         node->add_property (X_("goto_start"), buf);
 549         goto_end_controllable->id().print (buf, sizeof (buf));
 550         node->add_property (X_("goto_end"), buf);
 551         auto_loop_controllable->id().print (buf, sizeof (buf));
 552         node->add_property (X_("auto_loop"), buf);
 553         play_selection_controllable->id().print (buf, sizeof (buf));
 554         node->add_property (X_("play_selection"), buf);
 555         rec_controllable->id().print (buf, sizeof (buf));
 556         node->add_property (X_("rec"), buf);
 557         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 558         node->add_property (X_("shuttle"), buf);
 559
 560         return *node;
 561 }
 562
 563
 564 gint
 565 ARDOUR_UI::autosave_session ()
 566 {
 567         if (g_main_depth() > 1) {
 568                 /* inside a recursive main loop,
 569                    give up because we may not be able to
 570                    take a lock.
 571                 */
 572                 return 1;
 573         }
 574
 575         if (!Config->get_periodic_safety_backups()) {
 576                 return 1;
 577         }
 578
 579         if (_session) {
 580                 _session->maybe_write_autosave();
 581         }
 582
 583         return 1;
 584 }
 585
 586 void
 587 ARDOUR_UI::update_autosave ()
 588 {
 589         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 590
 591         if (_session && _session->dirty()) {
 592                 if (_autosave_connection.connected()) {
 593                         _autosave_connection.disconnect();
 594                 }
 595
 596                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 597                                 Config->get_periodic_safety_backup_interval() * 1000);
 598
 599         } else {
 600                 if (_autosave_connection.connected()) {
 601                         _autosave_connection.disconnect();
 602                 }
 603         }
 604 }
 605
 606 void
 607 ARDOUR_UI::startup ()
 608 {
 609         Application* app = Application::instance ();
 610
 611         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 612         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 613
 614 #ifdef PHONE_HOME
 615         call_the_mothership (VERSIONSTRING);
 616 #endif
 617
 618         app->ready ();
 619
 620         if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
 621                 exit (1);
 622         }
 623
 624         use_config ();
 625
 626         goto_editor_window ();
 627
 628         /* Add the window proxies here; their addition may cause windows to be opened, and we want them
 629            to be opened on top of the editor window that goto_editor_window() just opened.
 630         */
 631         add_window_proxy (location_ui);
 632         add_window_proxy (big_clock_window);
 633         for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
 634                 add_window_proxy (_global_port_matrix[*i]);
 635         }
 636
 637         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 638          * editor window, and we may want stuff to be hidden.
 639          */
 640         _status_bar_visibility.update ();
 641
 642         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 643 }
 644
 645 void
 646 ARDOUR_UI::no_memory_warning ()
 647 {
 648         XMLNode node (X_("no-memory-warning"));
 649         Config->add_instant_xml (node);
 650 }
 651
 652 void
 653 ARDOUR_UI::check_memory_locking ()
 654 {
 655 #ifdef __APPLE__
 656         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 657         return;
 658 #else // !__APPLE__
 659
 660         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 661
 662         if (engine->is_realtime() && memory_warning_node == 0) {
 663
 664                 struct rlimit limits;
 665                 int64_t ram;
 666                 long pages, page_size;
 667 #ifdef __FreeBSD__
 668                 size_t pages_len=sizeof(pages);
 669                 if ((page_size = getpagesize()) < 0 ||
 670                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 671 #else
 672                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 673 #endif
 674                 {
 675                         ram = 0;
 676                 } else {
 677                         ram = (int64_t) pages * (int64_t) page_size;
 678                 }
 679
 680                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 681                         return;
 682                 }
 683
 684                 if (limits.rlim_cur != RLIM_INFINITY) {
 685
 686                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 687
 688                                 MessageDialog msg (
 689                                         string_compose (
 690                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 691                                                   "This might cause %1 to run out of memory before your system "
 692                                                   "runs out of memory. \n\n"
 693                                                   "You can view the memory limit with 'ulimit -l', "
 694                                                   "and it is normally controlled by %2"),
 695                                                 PROGRAM_NAME).c_str(),
 696 #ifdef __FreeBSD__
 697                                         X_("/etc/login.conf")
 698 #else
 699                                         X_(" /etc/security/limits.conf")
 700 #endif
 701                                         );
 702
 703                                 msg.set_default_response (RESPONSE_OK);
 704
 705                                 VBox* vbox = msg.get_vbox();
 706                                 HBox hbox;
 707                                 CheckButton cb (_("Do not show this window again"));
 708
 709                                 cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
 710
 711                                 hbox.pack_start (cb, true, false);
 712                                 vbox->pack_start (hbox);
 713                                 cb.show();
 714                                 vbox->show();
 715                                 hbox.show ();
 716
 717                                 pop_back_splash (msg);
 718
 719                                 editor->ensure_float (msg);
 720                                 msg.run ();
 721                         }
 722                 }
 723         }
 724 #endif // !__APPLE__
 725 }
 726
 727
 728 void
 729 ARDOUR_UI::queue_finish ()
 730 {
 731         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 732 }
 733
 734 bool
 735 ARDOUR_UI::idle_finish ()
 736 {
 737         finish ();
 738         return false; /* do not call again */
 739 }
 740
 741 void
 742 ARDOUR_UI::finish()
 743 {
 744         if (_session) {
 745
 746                 if (_session->dirty()) {
 747                         vector<string> actions;
 748                         actions.push_back (_("Don't quit"));
 749                         actions.push_back (_("Just quit"));
 750                         actions.push_back (_("Save and quit"));
 751                         switch (ask_about_saving_session(actions)) {
 752                         case -1:
 753                                 return;
 754                                 break;
 755                         case 1:
 756                                 /* use the default name */
 757                                 if (save_state_canfail ("")) {
 758                                         /* failed - don't quit */
 759                                         MessageDialog msg (*editor,
 760                                                            string_compose (_("\
 761 %1 was unable to save your session.\n\n\
 762 If you still wish to quit, please use the\n\n\
 763 \"Just quit\" option."), PROGRAM_NAME));
 764                                         pop_back_splash(msg);
 765                                         msg.run ();
 766                                         return;
 767                                 }
 768                                 break;
 769                         case 0:
 770                                 break;
 771                         }
 772                 }
 773
 774                 second_connection.disconnect ();
 775                 point_one_second_connection.disconnect ();
 776                 point_oh_five_second_connection.disconnect ();
 777                 point_zero_one_second_connection.disconnect();
 778         }
 779
 780         /* Save state before deleting the session, as that causes some
 781            windows to be destroyed before their visible state can be
 782            saved.
 783         */
 784         save_ardour_state ();
 785
 786         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
 787
 788         if (_session) {
 789                 // _session->set_deletion_in_progress ();
 790                 _session->set_clean ();
 791                 _session->remove_pending_capture_state ();
 792                 delete _session;
 793                 _session = 0;
 794         }
 795
 796         ArdourDialog::close_all_dialogs ();
 797         engine->stop (true);
 798         quit ();
 799 }
 800
 801 int
 802 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
 803 {
 804         ArdourDialog window (_("Unsaved Session"));
 805         Gtk::HBox dhbox;  // the hbox for the image and text
 806         Gtk::Label  prompt_label;
 807         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
 808
 809         string msg;
 810
 811         assert (actions.size() >= 3);
 812
 813         window.add_button (actions[0], RESPONSE_REJECT);
 814         window.add_button (actions[1], RESPONSE_APPLY);
 815         window.add_button (actions[2], RESPONSE_ACCEPT);
 816
 817         window.set_default_response (RESPONSE_ACCEPT);
 818
 819         Gtk::Button noquit_button (msg);
 820         noquit_button.set_name ("EditorGTKButton");
 821
 822         string prompt;
 823
 824         if (_session->snap_name() == _session->name()) {
 825                 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?"),
 826                                         _session->snap_name());
 827         } else {
 828                 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?"),
 829                                         _session->snap_name());
 830         }
 831
 832         prompt_label.set_text (prompt);
 833         prompt_label.set_name (X_("PrompterLabel"));
 834         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
 835
 836         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
 837         dhbox.set_homogeneous (false);
 838         dhbox.pack_start (*dimage, false, false, 5);
 839         dhbox.pack_start (prompt_label, true, false, 5);
 840         window.get_vbox()->pack_start (dhbox);
 841
 842         window.set_name (_("Prompter"));
 843         window.set_position (Gtk::WIN_POS_MOUSE);
 844         window.set_modal (true);
 845         window.set_resizable (false);
 846
 847         dhbox.show();
 848         prompt_label.show();
 849         dimage->show();
 850         window.show();
 851         window.set_keep_above (true);
 852         window.present ();
 853
 854         ResponseType r = (ResponseType) window.run();
 855
 856         window.hide ();
 857
 858         switch (r) {
 859         case RESPONSE_ACCEPT: // save and get out of here
 860                 return 1;
 861         case RESPONSE_APPLY:  // get out of here
 862                 return 0;
 863         default:
 864                 break;
 865         }
 866
 867         return -1;
 868 }
 869
 870
 871 gint
 872 ARDOUR_UI::every_second ()
 873 {
 874         update_cpu_load ();
 875         update_buffer_load ();
 876         update_disk_space ();
 877         update_timecode_format ();
 878         return TRUE;
 879 }
 880
 881 gint
 882 ARDOUR_UI::every_point_one_seconds ()
 883 {
 884         shuttle_box->update_speed_display ();
 885         RapidScreenUpdate(); /* EMIT_SIGNAL */
 886         return TRUE;
 887 }
 888
 889 gint
 890 ARDOUR_UI::every_point_zero_one_seconds ()
 891 {
 892         // august 2007: actual update frequency: 40Hz, not 100Hz
 893
 894         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
 895         return TRUE;
 896 }
 897
 898 void
 899 ARDOUR_UI::update_sample_rate (framecnt_t)
 900 {
 901         char buf[64];
 902
 903         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
 904
 905         if (!engine->connected()) {
 906
 907                 snprintf (buf, sizeof (buf), "%s", _("disconnected"));
 908
 909         } else {
 910
 911                 framecnt_t rate = engine->frame_rate();
 912
 913                 if (fmod (rate, 1000.0) != 0.0) {
 914                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
 915                                   (float) rate/1000.0f,
 916                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
 917                 } else {
 918                         snprintf (buf, sizeof (buf), _("JACK: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
 919                                   rate/1000,
 920                                   (engine->frames_per_cycle() / (float) rate) * 1000.0f);
 921                 }
 922         }
 923
 924         sample_rate_label.set_markup (buf);
 925 }
 926
 927 void
 928 ARDOUR_UI::update_format ()
 929 {
 930         if (!_session) {
 931                 format_label.set_text ("");
 932                 return;
 933         }
 934
 935         stringstream s;
 936         s << _("File:") << X_(" <span foreground=\"green\">");
 937
 938         switch (_session->config.get_native_file_header_format ()) {
 939         case BWF:
 940                 s << _("BWF");
 941                 break;
 942         case WAVE:
 943                 s << _("WAV");
 944                 break;
 945         case WAVE64:
 946                 s << _("WAV64");
 947                 break;
 948         case CAF:
 949                 s << _("CAF");
 950                 break;
 951         case AIFF:
 952                 s << _("AIFF");
 953                 break;
 954         case iXML:
 955                 s << _("iXML");
 956                 break;
 957         case RF64:
 958                 s << _("RF64");
 959                 break;
 960         }
 961
 962         s << " ";
 963
 964         switch (_session->config.get_native_file_data_format ()) {
 965         case FormatFloat:
 966                 s << _("32-float");
 967                 break;
 968         case FormatInt24:
 969                 s << _("24-int");
 970                 break;
 971         case FormatInt16:
 972                 s << _("16-int");
 973                 break;
 974         }
 975
 976         s << X_("</span>");
 977
 978         format_label.set_markup (s.str ());
 979 }
 980
 981 void
 982 ARDOUR_UI::update_cpu_load ()
 983 {
 984         char buf[64];
 985
 986         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
 987            should also be changed.
 988         */
 989
 990         float const c = engine->get_cpu_load ();
 991         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
 992         cpu_load_label.set_markup (buf);
 993 }
 994
 995 void
 996 ARDOUR_UI::update_buffer_load ()
 997 {
 998         char buf[256];
 999
1000         uint32_t const playback = _session ? _session->playback_load () : 100;
1001         uint32_t const capture = _session ? _session->capture_load () : 100;
1002
1003         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1004            should also be changed.
1005         */
1006
1007         if (_session) {
1008                 snprintf (
1009                         buf, sizeof (buf),
1010                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1011                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1012                         playback <= 5 ? X_("red") : X_("green"),
1013                         playback,
1014                         capture <= 5 ? X_("red") : X_("green"),
1015                         capture
1016                         );
1017
1018                 buffer_load_label.set_markup (buf);
1019         } else {
1020                 buffer_load_label.set_text ("");
1021         }
1022 }
1023
1024 void
1025 ARDOUR_UI::count_recenabled_streams (Route& route)
1026 {
1027         Track* track = dynamic_cast<Track*>(&route);
1028         if (track && track->record_enabled()) {
1029                 rec_enabled_streams += track->n_inputs().n_total();
1030         }
1031 }
1032
1033 void
1034 ARDOUR_UI::update_disk_space()
1035 {
1036         if (_session == 0) {
1037                 return;
1038         }
1039
1040         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1041         char buf[64];
1042         framecnt_t fr = _session->frame_rate();
1043
1044         if (!opt_frames) {
1045                 /* Available space is unknown */
1046                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1047         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1048                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1049         } else {
1050                 rec_enabled_streams = 0;
1051                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1052
1053                 framecnt_t frames = opt_frames.get_value_or (0);
1054
1055                 if (rec_enabled_streams) {
1056                         frames /= rec_enabled_streams;
1057                 }
1058
1059                 int hrs;
1060                 int mins;
1061                 int secs;
1062
1063                 hrs  = frames / (fr * 3600);
1064
1065                 if (hrs > 24) {
1066                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1067                 } else {
1068                         frames -= hrs * fr * 3600;
1069                         mins = frames / (fr * 60);
1070                         frames -= mins * fr * 60;
1071                         secs = frames / fr;
1072
1073                         bool const low = (hrs == 0 && mins <= 30);
1074
1075                         snprintf (
1076                                 buf, sizeof(buf),
1077                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1078                                 low ? X_("red") : X_("green"),
1079                                 hrs, mins, secs
1080                                 );
1081                 }
1082         }
1083
1084         disk_space_label.set_markup (buf);
1085 }
1086
1087 void
1088 ARDOUR_UI::update_timecode_format ()
1089 {
1090         char buf[64];
1091
1092         if (_session) {
1093                 bool matching;
1094                 TimecodeSlave* tcslave;
1095                 SyncSource sync_src = Config->get_sync_source();
1096
1097                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1098                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1099                 } else {
1100                         matching = true;
1101                 }
1102
1103                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1104                           matching ? X_("green") : X_("red"),
1105                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1106         } else {
1107                 snprintf (buf, sizeof (buf), "TC: n/a");
1108         }
1109
1110         timecode_format_label.set_markup (buf);
1111 }
1112
1113 gint
1114 ARDOUR_UI::update_wall_clock ()
1115 {
1116         time_t now;
1117         struct tm *tm_now;
1118         static int last_min = -1;
1119
1120         time (&now);
1121         tm_now = localtime (&now);
1122         if (last_min != tm_now->tm_min) {
1123                 char buf[16];
1124                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1125                 wall_clock_label.set_text (buf);
1126                 last_min = tm_now->tm_min;
1127         }
1128
1129         return TRUE;
1130 }
1131
1132 void
1133 ARDOUR_UI::redisplay_recent_sessions ()
1134 {
1135         std::vector<std::string> session_directories;
1136         RecentSessionsSorter cmp;
1137
1138         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1139         recent_session_model->clear ();
1140
1141         ARDOUR::RecentSessions rs;
1142         ARDOUR::read_recent_sessions (rs);
1143
1144         if (rs.empty()) {
1145                 recent_session_display.set_model (recent_session_model);
1146                 return;
1147         }
1148
1149         // sort them alphabetically
1150         sort (rs.begin(), rs.end(), cmp);
1151
1152         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1153                 session_directories.push_back ((*i).second);
1154         }
1155
1156         for (vector<std::string>::const_iterator i = session_directories.begin();
1157                         i != session_directories.end(); ++i)
1158         {
1159                 std::vector<std::string> state_file_paths;
1160
1161                 // now get available states for this session
1162
1163                 get_state_files_in_directory (*i, state_file_paths);
1164
1165                 vector<string*>* states;
1166                 vector<const gchar*> item;
1167                 string fullpath = *i;
1168
1169                 /* remove any trailing / */
1170
1171                 if (fullpath[fullpath.length() - 1] == '/') {
1172                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1173                 }
1174
1175                 /* check whether session still exists */
1176                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1177                         /* session doesn't exist */
1178                         continue;
1179                 }
1180
1181                 /* now get available states for this session */
1182
1183                 if ((states = Session::possible_states (fullpath)) == 0) {
1184                         /* no state file? */
1185                         continue;
1186                 }
1187
1188                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1189
1190                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1191
1192                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1193                 row[recent_session_columns.fullpath] = fullpath;
1194
1195                 if (state_file_names.size() > 1) {
1196
1197                         // add the children
1198
1199                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1200                                         i2 != state_file_names.end(); ++i2)
1201                         {
1202
1203                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1204
1205                                 child_row[recent_session_columns.visible_name] = *i2;
1206                                 child_row[recent_session_columns.fullpath] = fullpath;
1207                         }
1208                 }
1209         }
1210
1211         recent_session_display.set_tooltip_column(1); // recent_session_columns.fullpath
1212         recent_session_display.set_model (recent_session_model);
1213 }
1214
1215 void
1216 ARDOUR_UI::build_session_selector ()
1217 {
1218         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1219
1220         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1221
1222         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1223         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1224         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1225         recent_session_model = TreeStore::create (recent_session_columns);
1226         recent_session_display.set_model (recent_session_model);
1227         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1228         recent_session_display.set_headers_visible (false);
1229         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1230         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1231
1232         scroller->add (recent_session_display);
1233         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1234
1235         session_selector_window->set_name ("SessionSelectorWindow");
1236         session_selector_window->set_size_request (200, 400);
1237         session_selector_window->get_vbox()->pack_start (*scroller);
1238
1239         recent_session_display.show();
1240         scroller->show();
1241 }
1242
1243 void
1244 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1245 {
1246         session_selector_window->response (RESPONSE_ACCEPT);
1247 }
1248
1249 void
1250 ARDOUR_UI::open_recent_session ()
1251 {
1252         bool can_return = (_session != 0);
1253
1254         if (session_selector_window == 0) {
1255                 build_session_selector ();
1256         }
1257
1258         redisplay_recent_sessions ();
1259
1260         while (true) {
1261
1262                 session_selector_window->set_position (WIN_POS_MOUSE);
1263
1264                 ResponseType r = (ResponseType) session_selector_window->run ();
1265
1266                 switch (r) {
1267                 case RESPONSE_ACCEPT:
1268                         break;
1269                 default:
1270                         if (can_return) {
1271                                 session_selector_window->hide();
1272                                 return;
1273                         } else {
1274                                 exit (1);
1275                         }
1276                 }
1277
1278                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1279                         continue;
1280                 }
1281
1282                 session_selector_window->hide();
1283
1284                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1285
1286                 if (i == recent_session_model->children().end()) {
1287                         return;
1288                 }
1289
1290                 std::string path = (*i)[recent_session_columns.fullpath];
1291                 std::string state = (*i)[recent_session_columns.visible_name];
1292
1293                 _session_is_new = false;
1294
1295                 if (load_session (path, state) == 0) {
1296                         break;
1297                 }
1298
1299                 can_return = false;
1300         }
1301 }
1302
1303 bool
1304 ARDOUR_UI::check_audioengine ()
1305 {
1306         if (engine) {
1307                 if (!engine->connected()) {
1308                         MessageDialog msg (string_compose (
1309                                                    _("%1 is not connected to JACK\n"
1310                                                      "You cannot open or close sessions in this condition"),
1311                                                    PROGRAM_NAME));
1312                         pop_back_splash (msg);
1313                         msg.run ();
1314                         return false;
1315                 }
1316                 return true;
1317         } else {
1318                 return false;
1319         }
1320 }
1321
1322 void
1323 ARDOUR_UI::open_session ()
1324 {
1325         if (!check_audioengine()) {
1326                 return;
1327
1328         }
1329
1330         /* popup selector window */
1331
1332         if (open_session_selector == 0) {
1333
1334                 /* ardour sessions are folders */
1335
1336                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1337                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1338                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1339                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1340
1341                 if (_session) {
1342                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1343                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1344                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1345                         open_session_selector->set_current_folder(session_parent_dir);
1346                 } else {
1347                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1348                 }
1349
1350                 open_session_selector->add_shortcut_folder (Config->get_default_session_parent_dir());
1351
1352                 FileFilter session_filter;
1353                 session_filter.add_pattern ("*.ardour");
1354                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1355                 open_session_selector->add_filter (session_filter);
1356                 open_session_selector->set_filter (session_filter);
1357         }
1358
1359         int response = open_session_selector->run();
1360         open_session_selector->hide ();
1361
1362         switch (response) {
1363         case RESPONSE_ACCEPT:
1364                 break;
1365         default:
1366                 open_session_selector->hide();
1367                 return;
1368         }
1369
1370         open_session_selector->hide();
1371         string session_path = open_session_selector->get_filename();
1372         string path, name;
1373         bool isnew;
1374
1375         if (session_path.length() > 0) {
1376                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1377                         _session_is_new = isnew;
1378                         load_session (path, name);
1379                 }
1380         }
1381 }
1382
1383
1384 void
1385 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1386                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1387 {
1388         list<boost::shared_ptr<MidiTrack> > tracks;
1389
1390         if (_session == 0) {
1391                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1392                 return;
1393         }
1394
1395         try {
1396                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1397
1398                 if (tracks.size() != how_many) {
1399                         if (how_many == 1) {
1400                                 error << _("could not create a new mixed track") << endmsg;
1401                         } else {
1402                                 error << string_compose (_("could not create %1 new mixed tracks"), how_many) << endmsg;
1403                         }
1404                 }
1405         }
1406
1407         catch (...) {
1408                 MessageDialog msg (*editor,
1409                                    string_compose (_("There are insufficient JACK ports available\n\
1410 to create a new track or bus.\n\
1411 You should save %1, exit and\n\
1412 restart JACK with more ports."), PROGRAM_NAME));
1413                 msg.run ();
1414         }
1415 }
1416
1417
1418 void
1419 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1420 {
1421         ChanCount one_midi_channel;
1422         one_midi_channel.set (DataType::MIDI, 1);
1423
1424         if (disk) {
1425                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1426         }
1427 }
1428
1429 void
1430 ARDOUR_UI::session_add_audio_route (
1431         bool track,
1432         int32_t input_channels,
1433         int32_t output_channels,
1434         ARDOUR::TrackMode mode,
1435         RouteGroup* route_group,
1436         uint32_t how_many,
1437         string const & name_template
1438         )
1439 {
1440         list<boost::shared_ptr<AudioTrack> > tracks;
1441         RouteList routes;
1442
1443         if (_session == 0) {
1444                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1445                 return;
1446         }
1447
1448         try {
1449                 if (track) {
1450                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1451
1452                         if (tracks.size() != how_many) {
1453                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1454                                       << endmsg;
1455                         }
1456
1457                 } else {
1458
1459                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1460
1461                         if (routes.size() != how_many) {
1462                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1463                                       << endmsg;
1464                         }
1465                 }
1466         }
1467
1468         catch (...) {
1469                 MessageDialog msg (*editor,
1470                                    string_compose (_("There are insufficient JACK ports available\n\
1471 to create a new track or bus.\n\
1472 You should save %1, exit and\n\
1473 restart JACK with more ports."), PROGRAM_NAME));
1474                 pop_back_splash (msg);
1475                 msg.run ();
1476         }
1477 }
1478
1479 void
1480 ARDOUR_UI::transport_goto_start ()
1481 {
1482         if (_session) {
1483                 _session->goto_start();
1484
1485                 /* force displayed area in editor to start no matter
1486                    what "follow playhead" setting is.
1487                 */
1488
1489                 if (editor) {
1490                         editor->center_screen (_session->current_start_frame ());
1491                 }
1492         }
1493 }
1494
1495 void
1496 ARDOUR_UI::transport_goto_zero ()
1497 {
1498         if (_session) {
1499                 _session->request_locate (0);
1500
1501                 /* force displayed area in editor to start no matter
1502                    what "follow playhead" setting is.
1503                 */
1504
1505                 if (editor) {
1506                         editor->reset_x_origin (0);
1507                 }
1508         }
1509 }
1510
1511 void
1512 ARDOUR_UI::transport_goto_wallclock ()
1513 {
1514         if (_session && editor) {
1515
1516                 time_t now;
1517                 struct tm tmnow;
1518                 framepos_t frames;
1519
1520                 time (&now);
1521                 localtime_r (&now, &tmnow);
1522
1523                 frames = tmnow.tm_hour * (60 * 60 * _session->frame_rate());
1524                 frames += tmnow.tm_min * (60 * _session->frame_rate());
1525                 frames += tmnow.tm_sec * _session->frame_rate();
1526
1527                 _session->request_locate (frames, _session->transport_rolling ());
1528
1529                 /* force displayed area in editor to start no matter
1530                    what "follow playhead" setting is.
1531                 */
1532
1533                 if (editor) {
1534                         editor->center_screen (frames);
1535                 }
1536         }
1537 }
1538
1539 void
1540 ARDOUR_UI::transport_goto_end ()
1541 {
1542         if (_session) {
1543                 framepos_t const frame = _session->current_end_frame();
1544                 _session->request_locate (frame);
1545
1546                 /* force displayed area in editor to start no matter
1547                    what "follow playhead" setting is.
1548                 */
1549
1550                 if (editor) {
1551                         editor->center_screen (frame);
1552                 }
1553         }
1554 }
1555
1556 void
1557 ARDOUR_UI::transport_stop ()
1558 {
1559         if (!_session) {
1560                 return;
1561         }
1562
1563         if (_session->is_auditioning()) {
1564                 _session->cancel_audition ();
1565                 return;
1566         }
1567
1568         _session->request_stop (false, true);
1569 }
1570
1571 void
1572 ARDOUR_UI::transport_record (bool roll)
1573 {
1574
1575         if (_session) {
1576                 switch (_session->record_status()) {
1577                 case Session::Disabled:
1578                         if (_session->ntracks() == 0) {
1579                                 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."));
1580                                 msg.run ();
1581                                 return;
1582                         }
1583                         _session->maybe_enable_record ();
1584                         if (roll) {
1585                                 transport_roll ();
1586                         }
1587                         break;
1588                 case Session::Recording:
1589                         if (roll) {
1590                                 _session->request_stop();
1591                         } else {
1592                                 _session->disable_record (false, true);
1593                         }
1594                         break;
1595
1596                 case Session::Enabled:
1597                         _session->disable_record (false, true);
1598                 }
1599         }
1600 }
1601
1602 void
1603 ARDOUR_UI::transport_roll ()
1604 {
1605         if (!_session) {
1606                 return;
1607         }
1608
1609         if (_session->is_auditioning()) {
1610                 return;
1611         }
1612
1613 #if 0
1614         if (_session->config.get_external_sync()) {
1615                 switch (Config->get_sync_source()) {
1616                 case JACK:
1617                         break;
1618                 default:
1619                         /* transport controlled by the master */
1620                         return;
1621                 }
1622         }
1623 #endif
1624
1625         bool rolling = _session->transport_rolling();
1626
1627         if (_session->get_play_loop()) {
1628                 /* XXX it is not possible to just leave seamless loop and keep
1629                    playing at present (nov 4th 2009)
1630                 */
1631                 if (!Config->get_seamless_loop()) {
1632                         _session->request_play_loop (false, true);
1633                 }
1634         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1635                 /* stop playing a range if we currently are */
1636                 _session->request_play_range (0, true);
1637         }
1638
1639         if (!rolling) {
1640                 _session->request_transport_speed (1.0f);
1641         }
1642 }
1643
1644 bool
1645 ARDOUR_UI::get_smart_mode() const
1646 {
1647         return ( editor->get_smart_mode() );
1648 }
1649
1650
1651 void
1652 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1653 {
1654
1655         if (!_session) {
1656                 return;
1657         }
1658
1659         if (_session->is_auditioning()) {
1660                 _session->cancel_audition ();
1661                 return;
1662         }
1663
1664         if (_session->config.get_external_sync()) {
1665                 switch (Config->get_sync_source()) {
1666                 case JACK:
1667                         break;
1668                 default:
1669                         /* transport controlled by the master */
1670                         return;
1671                 }
1672         }
1673
1674         bool rolling = _session->transport_rolling();
1675         bool affect_transport = true;
1676
1677         if (rolling && roll_out_of_bounded_mode) {
1678                 /* drop out of loop/range playback but leave transport rolling */
1679                 if (_session->get_play_loop()) {
1680                         if (Config->get_seamless_loop()) {
1681                                 /* the disk buffers contain copies of the loop - we can't
1682                                    just keep playing, so stop the transport. the user
1683                                    can restart as they wish.
1684                                 */
1685                                 affect_transport = true;
1686                         } else {
1687                                 /* disk buffers are normal, so we can keep playing */
1688                                 affect_transport = false;
1689                         }
1690                         _session->request_play_loop (false, true);
1691                 } else if (_session->get_play_range ()) {
1692                         affect_transport = false;
1693                         _session->request_play_range (0, true);
1694                 }
1695         }
1696
1697         if (affect_transport) {
1698                 if (rolling) {
1699                         _session->request_stop (with_abort, true);
1700                 } else {
1701                         if ( Config->get_always_play_range() ) {
1702                                 _session->request_play_range (&editor->get_selection().time, true);
1703                         }
1704
1705                         _session->request_transport_speed (1.0f);
1706                 }
1707         }
1708 }
1709
1710 void
1711 ARDOUR_UI::toggle_session_auto_loop ()
1712 {
1713         Location * looploc = _session->locations()->auto_loop_location();
1714
1715         if (!_session || !looploc) {
1716                 return;
1717         }
1718
1719         if (_session->get_play_loop()) {
1720
1721                 if (_session->transport_rolling()) {
1722
1723                         _session->request_locate (looploc->start(), true);
1724                         _session->request_play_loop (false);
1725
1726                 } else {
1727                         _session->request_play_loop (false);
1728                 }
1729         } else {
1730                 _session->request_play_loop (true);
1731         }
1732
1733         //show the loop markers
1734         looploc->set_hidden (false, this);
1735 }
1736
1737 void
1738 ARDOUR_UI::transport_play_selection ()
1739 {
1740         if (!_session) {
1741                 return;
1742         }
1743
1744         editor->play_selection ();
1745 }
1746
1747 void
1748 ARDOUR_UI::transport_play_preroll ()
1749 {
1750         if (!_session) {
1751                 return;
1752         }
1753         editor->play_with_preroll ();
1754 }
1755
1756 void
1757 ARDOUR_UI::transport_rewind (int option)
1758 {
1759         float current_transport_speed;
1760
1761         if (_session) {
1762                 current_transport_speed = _session->transport_speed();
1763
1764                 if (current_transport_speed >= 0.0f) {
1765                         switch (option) {
1766                         case 0:
1767                                 _session->request_transport_speed (-1.0f);
1768                                 break;
1769                         case 1:
1770                                 _session->request_transport_speed (-4.0f);
1771                                 break;
1772                         case -1:
1773                                 _session->request_transport_speed (-0.5f);
1774                                 break;
1775                         }
1776                 } else {
1777                         /* speed up */
1778                         _session->request_transport_speed (current_transport_speed * 1.5f);
1779                 }
1780         }
1781 }
1782
1783 void
1784 ARDOUR_UI::transport_forward (int option)
1785 {
1786         if (!_session) {
1787                 return;
1788         }
1789
1790         float current_transport_speed = _session->transport_speed();
1791
1792         if (current_transport_speed <= 0.0f) {
1793                 switch (option) {
1794                 case 0:
1795                         _session->request_transport_speed (1.0f);
1796                         break;
1797                 case 1:
1798                         _session->request_transport_speed (4.0f);
1799                         break;
1800                 case -1:
1801                         _session->request_transport_speed (0.5f);
1802                         break;
1803                 }
1804         } else {
1805                 /* speed up */
1806                 _session->request_transport_speed (current_transport_speed * 1.5f);
1807         }
1808 }
1809
1810 void
1811 ARDOUR_UI::toggle_record_enable (uint32_t rid)
1812 {
1813         if (!_session) {
1814                 return;
1815         }
1816
1817         boost::shared_ptr<Route> r;
1818
1819         if ((r = _session->route_by_remote_id (rid)) != 0) {
1820
1821                 Track* t;
1822
1823                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
1824                         t->set_record_enabled (!t->record_enabled(), this);
1825                 }
1826         }
1827 }
1828
1829 void
1830 ARDOUR_UI::map_transport_state ()
1831 {
1832         if (!_session) {
1833                 auto_loop_button.unset_active_state ();
1834                 play_selection_button.unset_active_state ();
1835                 roll_button.unset_active_state ();
1836                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
1837                 return;
1838         }
1839
1840         shuttle_box->map_transport_state ();
1841
1842         float sp = _session->transport_speed();
1843
1844         if (sp != 0.0f) {
1845
1846                 /* we're rolling */
1847
1848                 if (_session->get_play_range()) {
1849
1850                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
1851                         roll_button.unset_active_state ();
1852                         auto_loop_button.unset_active_state ();
1853
1854                 } else if (_session->get_play_loop ()) {
1855
1856                         auto_loop_button.set_active (true);
1857                         play_selection_button.set_active (false);
1858                         roll_button.set_active (false);
1859
1860                 } else {
1861
1862                         roll_button.set_active (true);
1863                         play_selection_button.set_active (false);
1864                         auto_loop_button.set_active (false);
1865                 }
1866
1867                 if (Config->get_always_play_range()) {
1868                         /* light up both roll and play-selection if they are joined */
1869                         roll_button.set_active (true);
1870                         play_selection_button.set_active (true);
1871                 }
1872
1873                 stop_button.set_active (false);
1874
1875         } else {
1876
1877                 stop_button.set_active (true);
1878                 roll_button.set_active (false);
1879                 play_selection_button.set_active (false);
1880                 auto_loop_button.set_active (false);
1881                 update_disk_space ();
1882         }
1883 }
1884
1885 void
1886 ARDOUR_UI::engine_stopped ()
1887 {
1888         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
1889         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
1890         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
1891 }
1892
1893 void
1894 ARDOUR_UI::engine_running ()
1895 {
1896         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
1897         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
1898         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
1899
1900         Glib::RefPtr<Action> action;
1901         const char* action_name = 0;
1902
1903         switch (engine->frames_per_cycle()) {
1904         case 32:
1905                 action_name = X_("JACKLatency32");
1906                 break;
1907         case 64:
1908                 action_name = X_("JACKLatency64");
1909                 break;
1910         case 128:
1911                 action_name = X_("JACKLatency128");
1912                 break;
1913         case 512:
1914                 action_name = X_("JACKLatency512");
1915                 break;
1916         case 1024:
1917                 action_name = X_("JACKLatency1024");
1918                 break;
1919         case 2048:
1920                 action_name = X_("JACKLatency2048");
1921                 break;
1922         case 4096:
1923                 action_name = X_("JACKLatency4096");
1924                 break;
1925         case 8192:
1926                 action_name = X_("JACKLatency8192");
1927                 break;
1928         default:
1929                 /* XXX can we do anything useful ? */
1930                 break;
1931         }
1932
1933         if (action_name) {
1934
1935                 action = ActionManager::get_action (X_("JACK"), action_name);
1936
1937                 if (action) {
1938                         Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
1939                         ract->set_active ();
1940                 }
1941         }
1942 }
1943
1944 void
1945 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
1946 {
1947         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
1948                 /* we can't rely on the original string continuing to exist when we are called
1949                    again in the GUI thread, so make a copy and note that we need to
1950                    free it later.
1951                 */
1952                 char *copy = strdup (reason);
1953                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
1954                 return;
1955         }
1956
1957         ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
1958         ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
1959
1960         update_sample_rate (0);
1961
1962         string msgstr;
1963
1964         /* if the reason is a non-empty string, it means that the backend was shutdown
1965            rather than just Ardour.
1966         */
1967
1968         if (strlen (reason)) {
1969                 msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
1970         } else {
1971                 msgstr = string_compose (_("\
1972 JACK has either been shutdown or it\n\
1973 disconnected %1 because %1\n\
1974 was not fast enough. Try to restart\n\
1975 JACK, reconnect and save the session."), PROGRAM_NAME);
1976         }
1977
1978         MessageDialog msg (*editor, msgstr);
1979         pop_back_splash (msg);
1980         msg.run ();
1981
1982         if (free_reason) {
1983                 free (const_cast<char*> (reason));
1984         }
1985 }
1986
1987 int32_t
1988 ARDOUR_UI::do_engine_start ()
1989 {
1990         try {
1991                 engine->start();
1992         }
1993
1994         catch (...) {
1995                 engine->stop ();
1996                 error << _("Unable to start the session running")
1997                       << endmsg;
1998                 unload_session ();
1999                 return -2;
2000         }
2001
2002         return 0;
2003 }
2004
2005 void
2006 ARDOUR_UI::update_clocks ()
2007 {
2008         if (!editor || !editor->dragging_playhead()) {
2009                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2010         }
2011 }
2012
2013 void
2014 ARDOUR_UI::start_clocking ()
2015 {
2016         clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2017 }
2018
2019 void
2020 ARDOUR_UI::stop_clocking ()
2021 {
2022         clock_signal_connection.disconnect ();
2023 }
2024
2025 gint
2026 ARDOUR_UI::_blink (void *arg)
2027 {
2028         ((ARDOUR_UI *) arg)->blink ();
2029         return TRUE;
2030 }
2031
2032 void
2033 ARDOUR_UI::blink ()
2034 {
2035         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2036 }
2037
2038 void
2039 ARDOUR_UI::start_blinking ()
2040 {
2041         /* Start the blink signal. Everybody with a blinking widget
2042            uses Blink to drive the widget's state.
2043         */
2044
2045         if (blink_timeout_tag < 0) {
2046                 blink_on = false;
2047                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2048         }
2049 }
2050
2051 void
2052 ARDOUR_UI::stop_blinking ()
2053 {
2054         if (blink_timeout_tag >= 0) {
2055                 g_source_remove (blink_timeout_tag);
2056                 blink_timeout_tag = -1;
2057         }
2058 }
2059
2060
2061 /** Ask the user for the name of a new snapshot and then take it.
2062  */
2063
2064 void
2065 ARDOUR_UI::snapshot_session (bool switch_to_it)
2066 {
2067         ArdourPrompter prompter (true);
2068         string snapname;
2069
2070         prompter.set_name ("Prompter");
2071         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2072         prompter.set_title (_("Take Snapshot"));
2073         prompter.set_prompt (_("Name of new snapshot"));
2074
2075         if (!switch_to_it) {
2076                 char timebuf[128];
2077                 time_t n;
2078                 struct tm local_time;
2079
2080                 time (&n);
2081                 localtime_r (&n, &local_time);
2082                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2083                 prompter.set_initial_text (timebuf);
2084         }
2085
2086   again:
2087         switch (prompter.run()) {
2088         case RESPONSE_ACCEPT:
2089         {
2090                 prompter.get_result (snapname);
2091
2092                 bool do_save = (snapname.length() != 0);
2093
2094                 if (do_save) {
2095                         char illegal = Session::session_name_is_legal(snapname);
2096                         if (illegal) {
2097                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2098                                                      "snapshot names may not contain a '%1' character"), illegal));
2099                                 msg.run ();
2100                                 goto again;
2101                         }
2102                 }
2103
2104                 vector<std::string> p;
2105                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2106                 vector<string> n = get_file_names_no_extension (p);
2107                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2108
2109                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2110                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2111                         confirm.get_vbox()->pack_start (m, true, true);
2112                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2113                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2114                         confirm.show_all ();
2115                         switch (confirm.run()) {
2116                         case RESPONSE_CANCEL:
2117                                 do_save = false;
2118                         }
2119                 }
2120
2121                 if (do_save) {
2122                         save_state (snapname, switch_to_it);
2123                 }
2124                 break;
2125         }
2126
2127         default:
2128                 break;
2129         }
2130 }
2131
2132 /** Ask the user for a new session name and then rename the session to it.
2133  */
2134
2135 void
2136 ARDOUR_UI::rename_session ()
2137 {
2138         if (!_session) {
2139                 return;
2140         }
2141
2142         ArdourPrompter prompter (true);
2143         string name;
2144
2145         prompter.set_name ("Prompter");
2146         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2147         prompter.set_title (_("Rename Session"));
2148         prompter.set_prompt (_("New session name"));
2149
2150   again:
2151         switch (prompter.run()) {
2152         case RESPONSE_ACCEPT:
2153         {
2154                 prompter.get_result (name);
2155
2156                 bool do_rename = (name.length() != 0);
2157
2158                 if (do_rename) {
2159                         char illegal = Session::session_name_is_legal (name);
2160
2161                         if (illegal) {
2162                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2163                                                                      "session names may not contain a '%1' character"), illegal));
2164                                 msg.run ();
2165                                 goto again;
2166                         }
2167
2168                         switch (_session->rename (name)) {
2169                         case -1: {
2170                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2171                                 msg.set_position (WIN_POS_MOUSE);
2172                                 msg.run ();
2173                                 goto again;
2174                                 break;
2175                         }
2176                         case 0:
2177                                 break;
2178                         default: {
2179                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2180                                 msg.set_position (WIN_POS_MOUSE);
2181                                 msg.run ();
2182                                 break;
2183                         }
2184                         }
2185                 }
2186
2187                 break;
2188         }
2189
2190         default:
2191                 break;
2192         }
2193 }
2194
2195 void
2196 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2197 {
2198         XMLNode* node = new XMLNode (X_("UI"));
2199
2200         for (list<WindowProxyBase*>::iterator i = _window_proxies.begin(); i != _window_proxies.end(); ++i) {
2201                 if (!(*i)->rc_configured()) {
2202                         node->add_child_nocopy (*((*i)->get_state ()));
2203                 }
2204         }
2205
2206         node->add_child_nocopy (gui_object_state->get_state());
2207
2208         _session->add_extra_xml (*node);
2209
2210         save_state_canfail (name, switch_to_it);
2211 }
2212
2213 int
2214 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2215 {
2216         if (_session) {
2217                 int ret;
2218
2219                 if (name.length() == 0) {
2220                         name = _session->snap_name();
2221                 }
2222
2223                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2224                         return ret;
2225                 }
2226         }
2227
2228         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2229         return 0;
2230 }
2231
2232 void
2233 ARDOUR_UI::primary_clock_value_changed ()
2234 {
2235         if (_session) {
2236                 _session->request_locate (primary_clock->current_time ());
2237         }
2238 }
2239
2240 void
2241 ARDOUR_UI::big_clock_value_changed ()
2242 {
2243         if (_session) {
2244                 _session->request_locate (big_clock->current_time ());
2245         }
2246 }
2247
2248 void
2249 ARDOUR_UI::secondary_clock_value_changed ()
2250 {
2251         if (_session) {
2252                 _session->request_locate (secondary_clock->current_time ());
2253         }
2254 }
2255
2256 void
2257 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2258 {
2259         if (_session == 0) {
2260                 return;
2261         }
2262
2263         if (_session->step_editing()) {
2264                 return;
2265         }
2266
2267         Session::RecordState const r = _session->record_status ();
2268         bool const h = _session->have_rec_enabled_track ();
2269
2270         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2271                 if (onoff) {
2272                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2273                 } else {
2274                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2275                 }
2276         } else if (r == Session::Recording && h) {
2277                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2278         } else {
2279                 rec_button.unset_active_state ();
2280         }
2281 }
2282
2283 void
2284 ARDOUR_UI::save_template ()
2285 {
2286         ArdourPrompter prompter (true);
2287         string name;
2288
2289         if (!check_audioengine()) {
2290                 return;
2291         }
2292
2293         prompter.set_name (X_("Prompter"));
2294         prompter.set_title (_("Save Template"));
2295         prompter.set_prompt (_("Name for template:"));
2296         prompter.set_initial_text(_session->name() + _("-template"));
2297         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2298
2299         switch (prompter.run()) {
2300         case RESPONSE_ACCEPT:
2301                 prompter.get_result (name);
2302
2303                 if (name.length()) {
2304                         _session->save_template (name);
2305                 }
2306                 break;
2307
2308         default:
2309                 break;
2310         }
2311 }
2312
2313 void
2314 ARDOUR_UI::edit_metadata ()
2315 {
2316         SessionMetadataEditor dialog;
2317         dialog.set_session (_session);
2318         editor->ensure_float (dialog);
2319         dialog.run ();
2320 }
2321
2322 void
2323 ARDOUR_UI::import_metadata ()
2324 {
2325         SessionMetadataImporter dialog;
2326         dialog.set_session (_session);
2327         editor->ensure_float (dialog);
2328         dialog.run ();
2329 }
2330
2331 bool
2332 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2333 {
2334         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2335
2336         MessageDialog msg (str,
2337                            false,
2338                            Gtk::MESSAGE_WARNING,
2339                            Gtk::BUTTONS_YES_NO,
2340                            true);
2341
2342
2343         msg.set_name (X_("OpenExistingDialog"));
2344         msg.set_title (_("Open Existing Session"));
2345         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2346         msg.set_position (Gtk::WIN_POS_MOUSE);
2347         pop_back_splash (msg);
2348
2349         switch (msg.run()) {
2350         case RESPONSE_YES:
2351                 return true;
2352                 break;
2353         }
2354         return false;
2355 }
2356
2357 int
2358 ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
2359 {
2360         BusProfile bus_profile;
2361
2362         if (Profile->get_sae()) {
2363
2364                 bus_profile.master_out_channels = 2;
2365                 bus_profile.input_ac = AutoConnectPhysical;
2366                 bus_profile.output_ac = AutoConnectMaster;
2367                 bus_profile.requested_physical_in = 0; // use all available
2368                 bus_profile.requested_physical_out = 0; // use all available
2369
2370         } else {
2371
2372                 /* get settings from advanced section of NSD */
2373
2374                 if (_startup->create_master_bus()) {
2375                         bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
2376                 } else {
2377                         bus_profile.master_out_channels = 0;
2378                 }
2379
2380                 if (_startup->connect_inputs()) {
2381                         bus_profile.input_ac = AutoConnectPhysical;
2382                 } else {
2383                         bus_profile.input_ac = AutoConnectOption (0);
2384                 }
2385
2386                 bus_profile.output_ac = AutoConnectOption (0);
2387
2388                 if (_startup->connect_outputs ()) {
2389                         if (_startup->connect_outs_to_master()) {
2390                                 bus_profile.output_ac = AutoConnectMaster;
2391                         } else if (_startup->connect_outs_to_physical()) {
2392                                 bus_profile.output_ac = AutoConnectPhysical;
2393                         }
2394                 }
2395
2396                 bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
2397                 bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
2398         }
2399
2400         if (build_session (session_path, session_name, bus_profile)) {
2401                 return -1;
2402         }
2403
2404         return 0;
2405 }
2406
2407 void
2408 ARDOUR_UI::idle_load (const std::string& path)
2409 {
2410         if (_session) {
2411                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2412                         /* /path/to/foo => /path/to/foo, foo */
2413                         load_session (path, basename_nosuffix (path));
2414                 } else {
2415                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2416                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2417                 }
2418
2419         } else {
2420                 ARDOUR_COMMAND_LINE::session_name = path;
2421         }
2422 }
2423
2424 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2425 int
2426 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2427 {
2428         string session_name;
2429         string session_path;
2430         string template_name;
2431         int ret = -1;
2432         bool likely_new = false;
2433
2434         /* deal with any existing DIRTY session now, rather than later. don't
2435          * treat a non-dirty session this way, so that it stays visible
2436          * as we bring up the new session dialog.
2437          */
2438
2439         if (_session && _session->dirty()) {
2440                 if (unload_session (false)) {
2441                         /* unload cancelled by user */
2442                         return 0;
2443                 }
2444                 ARDOUR_COMMAND_LINE::session_name = "";
2445         }
2446
2447         if (!load_template.empty()) {
2448                 should_be_new = true;
2449                 template_name = load_template;
2450         }
2451
2452         while (ret != 0) {
2453
2454                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2455
2456                         /* if they named a specific statefile, use it, otherwise they are
2457                            just giving a session folder, and we want to use it as is
2458                            to find the session.
2459                         */
2460
2461                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2462
2463                         if (suffix != string::npos) {
2464                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2465                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2466                                 session_name = Glib::path_get_basename (session_name);
2467                         } else {
2468                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2469                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2470                         }
2471                 } else {
2472                         session_path = "";
2473                         session_name = "";
2474                 }
2475
2476                 delete _startup;
2477                 _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
2478
2479                 if (!_startup->ready_without_display()) {
2480                         _startup->present ();
2481                         main().run();
2482                         _startup->hide ();
2483                 }
2484
2485                 switch (_startup->response()) {
2486                 case RESPONSE_OK:
2487                         break;
2488                 default:
2489                         if (quit_on_cancel) {
2490                                 exit (1);
2491                         } else {
2492                                 return ret;
2493                         }
2494                 }
2495
2496                 /* if we run the startup dialog again, offer more than just "new session" */
2497
2498                 should_be_new = false;
2499
2500                 session_name = _startup->session_name (likely_new);
2501
2502                 string::size_type suffix = session_name.find (statefile_suffix);
2503
2504                 if (suffix != string::npos) {
2505                         session_name = session_name.substr (0, suffix);
2506                 }
2507
2508                 /* this shouldn't happen, but we catch it just in case it does */
2509
2510                 if (session_name.empty()) {
2511                         continue;
2512                 }
2513
2514                 if (_startup->use_session_template()) {
2515                         template_name = _startup->session_template_name();
2516                         _session_is_new = true;
2517                 }
2518
2519                 if (session_name[0] == G_DIR_SEPARATOR ||
2520                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2521                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2522
2523                         /* absolute path or cwd-relative path specified for session name: infer session folder
2524                            from what was given.
2525                         */
2526
2527                         session_path = Glib::path_get_dirname (session_name);
2528                         session_name = Glib::path_get_basename (session_name);
2529
2530                 } else {
2531
2532                         session_path = _startup->session_folder();
2533
2534                         char illegal = Session::session_name_is_legal (session_name);
2535
2536                         if (illegal) {
2537                                 MessageDialog msg (*_startup,
2538                                                    string_compose (_("To ensure compatibility with various systems\n"
2539                                                                      "session names may not contain a '%1' character"),
2540                                                                    illegal));
2541                                 msg.run ();
2542                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2543                                 continue;
2544                         }
2545                 }
2546
2547                 if (create_engine ()) {
2548                         break;
2549                 }
2550
2551                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2552
2553                         if (likely_new) {
2554
2555                                 std::string existing = Glib::build_filename (session_path, session_name);
2556
2557                                 if (!ask_about_loading_existing_session (existing)) {
2558                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2559                                         continue;
2560                                 }
2561                         }
2562
2563                         _session_is_new = false;
2564
2565                 } else {
2566
2567                         if (!likely_new) {
2568                                 if (_startup) {
2569                                         pop_back_splash (*_startup);
2570                                 } else {
2571                                         hide_splash ();
2572                                 }
2573
2574                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2575                                 msg.run ();
2576                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2577                                 continue;
2578                         }
2579
2580                         char illegal = Session::session_name_is_legal(session_name);
2581                         if (illegal) {
2582                                 pop_back_splash (*_startup);
2583                                 MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
2584                                                      "session names may not contain a '%1' character"), illegal));
2585                                 msg.run ();
2586                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2587                                 continue;
2588                         }
2589
2590                         _session_is_new = true;
2591                 }
2592
2593                 if (likely_new && template_name.empty()) {
2594
2595                         ret = build_session_from_nsd (session_path, session_name);
2596
2597                 } else {
2598
2599                         ret = load_session (session_path, session_name, template_name);
2600
2601                         if (ret == -2) {
2602                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2603                                 exit (1);
2604                         }
2605
2606                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2607                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2608                                 exit (1);
2609                         }
2610                 }
2611         }
2612
2613         return ret;
2614 }
2615
2616 void
2617 ARDOUR_UI::close_session()
2618 {
2619         if (!check_audioengine()) {
2620                 return;
2621         }
2622
2623         if (unload_session (true)) {
2624                 return;
2625         }
2626
2627         ARDOUR_COMMAND_LINE::session_name = "";
2628
2629         if (get_session_parameters (true, false)) {
2630                 exit (1);
2631         }
2632
2633         goto_editor_window ();
2634 }
2635
2636 /** @param snap_name Snapshot name (without .ardour suffix).
2637  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2638  */
2639 int
2640 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2641 {
2642         Session *new_session;
2643         int unload_status;
2644         int retval = -1;
2645
2646         session_loaded = false;
2647
2648         if (!check_audioengine()) {
2649                 return -2;
2650         }
2651
2652         unload_status = unload_session ();
2653
2654         if (unload_status < 0) {
2655                 goto out;
2656         } else if (unload_status > 0) {
2657                 retval = 0;
2658                 goto out;
2659         }
2660
2661         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2662
2663         try {
2664                 new_session = new Session (*engine, path, snap_name, 0, mix_template);
2665         }
2666
2667         /* this one is special */
2668
2669         catch (AudioEngine::PortRegistrationFailure& err) {
2670
2671                 MessageDialog msg (err.what(),
2672                                    true,
2673                                    Gtk::MESSAGE_INFO,
2674                                    Gtk::BUTTONS_CLOSE);
2675
2676                 msg.set_title (_("Port Registration Error"));
2677                 msg.set_secondary_text (_("Click the Close button to try again."));
2678                 msg.set_position (Gtk::WIN_POS_CENTER);
2679                 pop_back_splash (msg);
2680                 msg.present ();
2681
2682                 int response = msg.run ();
2683
2684                 msg.hide ();
2685
2686                 switch (response) {
2687                 case RESPONSE_CANCEL:
2688                         exit (1);
2689                 default:
2690                         break;
2691                 }
2692                 goto out;
2693         }
2694
2695         catch (...) {
2696
2697                 MessageDialog msg (string_compose(
2698                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2699                                            path, snap_name),
2700                                    true,
2701                                    Gtk::MESSAGE_INFO,
2702                                    BUTTONS_OK);
2703
2704                 msg.set_title (_("Loading Error"));
2705                 msg.set_secondary_text (_("Click the Refresh button to try again."));
2706                 msg.add_button (Stock::REFRESH, 1);
2707                 msg.set_position (Gtk::WIN_POS_CENTER);
2708                 pop_back_splash (msg);
2709                 msg.present ();
2710
2711                 int response = msg.run ();
2712
2713                 switch (response) {
2714                 case 1:
2715                         break;
2716                 default:
2717                         exit (1);
2718                 }
2719
2720                 msg.hide ();
2721
2722                 goto out;
2723         }
2724
2725         {
2726                 list<string> const u = new_session->unknown_processors ();
2727                 if (!u.empty()) {
2728                         MissingPluginDialog d (_session, u);
2729                         d.run ();
2730                 }
2731         }
2732
2733         /* Now the session been created, add the transport controls */
2734         new_session->add_controllable(roll_controllable);
2735         new_session->add_controllable(stop_controllable);
2736         new_session->add_controllable(goto_start_controllable);
2737         new_session->add_controllable(goto_end_controllable);
2738         new_session->add_controllable(auto_loop_controllable);
2739         new_session->add_controllable(play_selection_controllable);
2740         new_session->add_controllable(rec_controllable);
2741
2742         set_session (new_session);
2743
2744         session_loaded = true;
2745
2746         goto_editor_window ();
2747
2748         if (_session) {
2749                 _session->set_clean ();
2750         }
2751
2752         flush_pending ();
2753         retval = 0;
2754
2755   out:
2756         return retval;
2757 }
2758
2759 int
2760 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2761 {
2762         Session *new_session;
2763         int x;
2764
2765         if (!check_audioengine()) {
2766                 return -1;
2767         }
2768
2769         session_loaded = false;
2770
2771         x = unload_session ();
2772
2773         if (x < 0) {
2774                 return -1;
2775         } else if (x > 0) {
2776                 return 0;
2777         }
2778
2779         _session_is_new = true;
2780
2781         try {
2782                 new_session = new Session (*engine, path, snap_name, &bus_profile);
2783         }
2784
2785         catch (...) {
2786
2787                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2788                 pop_back_splash (msg);
2789                 msg.run ();
2790                 return -1;
2791         }
2792
2793         /* Give the new session the default GUI state, if such things exist */
2794
2795         XMLNode* n;
2796         n = Config->instant_xml (X_("Editor"));
2797         if (n) {
2798                 new_session->add_instant_xml (*n, false);
2799         }
2800         n = Config->instant_xml (X_("Mixer"));
2801         if (n) {
2802                 new_session->add_instant_xml (*n, false);
2803         }
2804
2805         /* Put the playhead at 0 and scroll fully left */
2806         n = new_session->instant_xml (X_("Editor"));
2807         if (n) {
2808                 n->add_property (X_("playhead"), X_("0"));
2809                 n->add_property (X_("left-frame"), X_("0"));
2810         }
2811
2812         set_session (new_session);
2813
2814         session_loaded = true;
2815
2816         new_session->save_state(new_session->name());
2817
2818         return 0;
2819 }
2820
2821 void
2822 ARDOUR_UI::launch_chat ()
2823 {
2824 #ifdef __APPLE__
2825         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
2826 #else
2827         open_uri("http://webchat.freenode.net/?channels=ardour");
2828 #endif
2829 }
2830
2831 void
2832 ARDOUR_UI::show_about ()
2833 {
2834         if (about == 0) {
2835                 about = new About;
2836                 about->signal_response().connect (sigc::mem_fun (*this, &ARDOUR_UI::about_signal_response));
2837         }
2838
2839         about->set_transient_for(*editor);
2840         about->show_all ();
2841 }
2842
2843 void
2844 ARDOUR_UI::launch_manual ()
2845 {
2846         PBD::open_uri("http://ardour.org/flossmanual");
2847 }
2848
2849 void
2850 ARDOUR_UI::launch_reference ()
2851 {
2852         PBD::open_uri ("http://ardour.org/refmanual");
2853 }
2854
2855 void
2856 ARDOUR_UI::hide_about ()
2857 {
2858         if (about) {
2859                 about->get_window()->set_cursor ();
2860                 about->hide ();
2861         }
2862 }
2863
2864 void
2865 ARDOUR_UI::about_signal_response (int /*response*/)
2866 {
2867         hide_about();
2868 }
2869
2870 void
2871 ARDOUR_UI::loading_message (const std::string& msg)
2872 {
2873         if (ARDOUR_COMMAND_LINE::no_splash) {
2874                 return;
2875         }
2876
2877         if (!splash) {
2878                 show_splash ();
2879         }
2880
2881         splash->message (msg);
2882 }
2883
2884 void
2885 ARDOUR_UI::show_splash ()
2886 {
2887         if (splash == 0) {
2888                 try {
2889                         splash = new Splash;
2890                 } catch (...) {
2891                         return;
2892                 }
2893         }
2894
2895         splash->display ();
2896 }
2897
2898 void
2899 ARDOUR_UI::hide_splash ()
2900 {
2901         delete splash;
2902         splash = 0;
2903 }
2904
2905 void
2906 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title,
2907                                     const string& plural_msg, const string& singular_msg)
2908 {
2909         size_t removed;
2910
2911         removed = rep.paths.size();
2912
2913         if (removed == 0) {
2914                 MessageDialog msgd (*editor,
2915                                     _("No files were ready for clean-up"),
2916                                     true,
2917                                     Gtk::MESSAGE_INFO,
2918                                     Gtk::BUTTONS_OK);
2919                 msgd.set_title (_("Clean-up"));
2920                 msgd.set_secondary_text (_("If this seems suprising, \n\
2921 check for any existing snapshots.\n\
2922 These may still include regions that\n\
2923 require some unused files to continue to exist."));
2924
2925                 msgd.run ();
2926                 return;
2927         }
2928
2929         ArdourDialog results (_("Clean-up"), true, false);
2930
2931         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
2932             CleanupResultsModelColumns() {
2933                     add (visible_name);
2934                     add (fullpath);
2935             }
2936             Gtk::TreeModelColumn<std::string> visible_name;
2937             Gtk::TreeModelColumn<std::string> fullpath;
2938         };
2939
2940
2941         CleanupResultsModelColumns results_columns;
2942         Glib::RefPtr<Gtk::ListStore> results_model;
2943         Gtk::TreeView results_display;
2944
2945         results_model = ListStore::create (results_columns);
2946         results_display.set_model (results_model);
2947         results_display.append_column (list_title, results_columns.visible_name);
2948
2949         results_display.set_name ("CleanupResultsList");
2950         results_display.set_headers_visible (true);
2951         results_display.set_headers_clickable (false);
2952         results_display.set_reorderable (false);
2953
2954         Gtk::ScrolledWindow list_scroller;
2955         Gtk::Label txt;
2956         Gtk::VBox dvbox;
2957         Gtk::HBox dhbox;  // the hbox for the image and text
2958         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
2959         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
2960
2961         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
2962
2963         const string dead_directory = _session->session_directory().dead_path();
2964
2965         /* subst:
2966            %1 - number of files removed
2967            %2 - location of "dead"
2968            %3 - size of files affected
2969            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
2970         */
2971
2972         const char* bprefix;
2973         double space_adjusted = 0;
2974
2975         if (rep.space < 1000) {
2976                 bprefix = X_("");
2977                 space_adjusted = rep.space;
2978         } else if (rep.space < 1000000) {
2979                 bprefix = _("kilo");
2980                 space_adjusted = truncf((float)rep.space / 1000.0);
2981         } else if (rep.space < 1000000 * 1000) {
2982                 bprefix = _("mega");
2983                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
2984         } else {
2985                 bprefix = _("giga");
2986                 space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
2987         }
2988
2989         if (removed > 1) {
2990                 txt.set_markup (string_compose (plural_msg, removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
2991         } else {
2992                 txt.set_markup (string_compose (singular_msg, removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
2993         }
2994
2995         dhbox.pack_start (*dimage, true, false, 5);
2996         dhbox.pack_start (txt, true, false, 5);
2997
2998         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
2999                 TreeModel::Row row = *(results_model->append());
3000                 row[results_columns.visible_name] = *i;
3001                 row[results_columns.fullpath] = *i;
3002         }
3003
3004         list_scroller.add (results_display);
3005         list_scroller.set_size_request (-1, 150);
3006         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3007
3008         dvbox.pack_start (dhbox, true, false, 5);
3009         dvbox.pack_start (list_scroller, true, false, 5);
3010         ddhbox.pack_start (dvbox, true, false, 5);
3011
3012         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3013         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3014         results.set_default_response (RESPONSE_CLOSE);
3015         results.set_position (Gtk::WIN_POS_MOUSE);
3016
3017         results_display.show();
3018         list_scroller.show();
3019         txt.show();
3020         dvbox.show();
3021         dhbox.show();
3022         ddhbox.show();
3023         dimage->show();
3024
3025         //results.get_vbox()->show();
3026         results.set_resizable (false);
3027
3028         results.run ();
3029
3030 }
3031
3032 void
3033 ARDOUR_UI::cleanup ()
3034 {
3035         if (_session == 0) {
3036                 /* shouldn't happen: menu item is insensitive */
3037                 return;
3038         }
3039
3040
3041         MessageDialog checker (_("Are you sure you want to clean-up?"),
3042                                 true,
3043                                 Gtk::MESSAGE_QUESTION,
3044                                 Gtk::BUTTONS_NONE);
3045
3046         checker.set_title (_("Clean-up"));
3047
3048         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3049 ALL undo/redo information will be lost if you clean-up.\n\
3050 Clean-up will move all unused files to a \"dead\" location."));
3051
3052         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3053         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3054         checker.set_default_response (RESPONSE_CANCEL);
3055
3056         checker.set_name (_("CleanupDialog"));
3057         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3058         checker.set_position (Gtk::WIN_POS_MOUSE);
3059
3060         switch (checker.run()) {
3061         case RESPONSE_ACCEPT:
3062                 break;
3063         default:
3064                 return;
3065         }
3066
3067         ARDOUR::CleanupReport rep;
3068
3069         editor->prepare_for_cleanup ();
3070
3071         /* do not allow flush until a session is reloaded */
3072
3073         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3074         if (act) {
3075                 act->set_sensitive (false);
3076         }
3077
3078         if (_session->cleanup_sources (rep)) {
3079                 editor->finish_cleanup ();
3080                 return;
3081         }
3082
3083         editor->finish_cleanup ();
3084
3085         checker.hide();
3086         display_cleanup_results (rep,
3087                                  _("Cleaned Files"),
3088                                  _("\
3089 The following %1 files were not in use and \n\
3090 have been moved to: %2\n\n\
3091 After a restart of %5\n\n\
3092 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3093 will release an additional %3 %4bytes of disk space.\n"),
3094                                  _("\
3095 The following file was not in use and \n\
3096 has been moved to: %2\n\n\
3097 After a restart of %5\n\n\
3098 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3099 will release an additional %3 %4bytes of disk space.\n"
3100                                          ));
3101
3102 }
3103
3104 void
3105 ARDOUR_UI::flush_trash ()
3106 {
3107         if (_session == 0) {
3108                 /* shouldn't happen: menu item is insensitive */
3109                 return;
3110         }
3111
3112         ARDOUR::CleanupReport rep;
3113
3114         if (_session->cleanup_trash_sources (rep)) {
3115                 return;
3116         }
3117
3118         display_cleanup_results (rep,
3119                                  _("deleted file"),
3120                                  _("The following %1 files were deleted from %2,\n\
3121 releasing %3 %4bytes of disk space"),
3122                                  _("The following file was deleted from %2,\n\
3123 releasing %3 %4bytes of disk space"));
3124 }
3125
3126 void
3127 ARDOUR_UI::add_route (Gtk::Window* float_window)
3128 {
3129         int count;
3130
3131         if (!_session) {
3132                 return;
3133         }
3134
3135         if (add_route_dialog == 0) {
3136                 add_route_dialog = new AddRouteDialog (_session);
3137                 add_route_dialog->set_position (WIN_POS_MOUSE);
3138                 if (float_window) {
3139                         add_route_dialog->set_transient_for (*float_window);
3140                 }
3141         }
3142
3143         if (add_route_dialog->is_visible()) {
3144                 /* we're already doing this */
3145                 return;
3146         }
3147
3148         ResponseType r = (ResponseType) add_route_dialog->run ();
3149
3150         add_route_dialog->hide();
3151
3152         switch (r) {
3153                 case RESPONSE_ACCEPT:
3154                         break;
3155                 default:
3156                         return;
3157                         break;
3158         }
3159
3160         if ((count = add_route_dialog->count()) <= 0) {
3161                 return;
3162         }
3163
3164         PBD::ScopedConnection idle_connection;
3165
3166         if (count > 8) {
3167                 ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
3168         }
3169
3170         string template_path = add_route_dialog->track_template();
3171
3172         if (!template_path.empty()) {
3173                 _session->new_route_from_template (count, template_path);
3174                 return;
3175         }
3176
3177         ChanCount input_chan= add_route_dialog->channels ();
3178         ChanCount output_chan;
3179         string name_template = add_route_dialog->name_template ();
3180         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3181         RouteGroup* route_group = add_route_dialog->route_group ();
3182         AutoConnectOption oac = Config->get_output_auto_connect();
3183
3184         if (oac & AutoConnectMaster) {
3185                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3186                 output_chan.set (DataType::MIDI, 0);
3187         } else {
3188                 output_chan = input_chan;
3189         }
3190
3191         /* XXX do something with name template */
3192
3193         switch (add_route_dialog->type_wanted()) {
3194         case AddRouteDialog::AudioTrack:
3195                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3196                 break;
3197         case AddRouteDialog::MidiTrack:
3198                 session_add_midi_track (route_group, count, name_template, instrument);
3199                 break;
3200         case AddRouteDialog::MixedTrack:
3201                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3202                 break;
3203         case AddRouteDialog::AudioBus:
3204                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3205                 break;
3206         }
3207
3208         /* idle connection will end at scope end */
3209 }
3210
3211 XMLNode*
3212 ARDOUR_UI::mixer_settings () const
3213 {
3214         XMLNode* node = 0;
3215
3216         if (_session) {
3217                 node = _session->instant_xml(X_("Mixer"));
3218         } else {
3219                 node = Config->instant_xml(X_("Mixer"));
3220         }
3221
3222         if (!node) {
3223                 node = new XMLNode (X_("Mixer"));
3224         }
3225
3226         return node;
3227 }
3228
3229 XMLNode*
3230 ARDOUR_UI::editor_settings () const
3231 {
3232         XMLNode* node = 0;
3233
3234         if (_session) {
3235                 node = _session->instant_xml(X_("Editor"));
3236         } else {
3237                 node = Config->instant_xml(X_("Editor"));
3238         }
3239
3240         if (!node) {
3241                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3242                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3243                 }
3244         }
3245
3246         if (!node) {
3247                 node = new XMLNode (X_("Editor"));
3248         }
3249
3250         return node;
3251 }
3252
3253 XMLNode*
3254 ARDOUR_UI::keyboard_settings () const
3255 {
3256         XMLNode* node = 0;
3257
3258         node = Config->extra_xml(X_("Keyboard"));
3259
3260         if (!node) {
3261                 node = new XMLNode (X_("Keyboard"));
3262         }
3263
3264         return node;
3265 }
3266
3267 void
3268 ARDOUR_UI::create_xrun_marker (framepos_t where)
3269 {
3270         editor->mouse_add_new_marker (where, false, true);
3271 }
3272
3273 void
3274 ARDOUR_UI::halt_on_xrun_message ()
3275 {
3276         MessageDialog msg (*editor,
3277                            _("Recording was stopped because your system could not keep up."));
3278         msg.run ();
3279 }
3280
3281 void
3282 ARDOUR_UI::xrun_handler (framepos_t where)
3283 {
3284         if (!_session) {
3285                 return;
3286         }
3287
3288         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3289
3290         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3291                 create_xrun_marker(where);
3292         }
3293
3294         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3295                 halt_on_xrun_message ();
3296         }
3297 }
3298
3299 void
3300 ARDOUR_UI::disk_overrun_handler ()
3301 {
3302         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3303
3304         if (!have_disk_speed_dialog_displayed) {
3305                 have_disk_speed_dialog_displayed = true;
3306                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3307 The disk system on your computer\n\
3308 was not able to keep up with %1.\n\
3309 \n\
3310 Specifically, it failed to write data to disk\n\
3311 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3312                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3313                 msg->show ();
3314         }
3315 }
3316
3317 void
3318 ARDOUR_UI::disk_underrun_handler ()
3319 {
3320         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3321
3322         if (!have_disk_speed_dialog_displayed) {
3323                 have_disk_speed_dialog_displayed = true;
3324                 MessageDialog* msg = new MessageDialog (
3325                         *editor, string_compose (_("The disk system on your computer\n\
3326 was not able to keep up with %1.\n\
3327 \n\
3328 Specifically, it failed to read data from disk\n\
3329 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3330                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3331                 msg->show ();
3332         }
3333 }
3334
3335 void
3336 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3337 {
3338         have_disk_speed_dialog_displayed = false;
3339         delete msg;
3340 }
3341
3342 void
3343 ARDOUR_UI::session_dialog (std::string msg)
3344 {
3345         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3346
3347         MessageDialog* d;
3348
3349         if (editor) {
3350                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3351         } else {
3352                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3353         }
3354
3355         d->show_all ();
3356         d->run ();
3357         delete d;
3358 }
3359
3360 int
3361 ARDOUR_UI::pending_state_dialog ()
3362 {
3363         HBox* hbox = new HBox();
3364         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3365         ArdourDialog dialog (_("Crash Recovery"), true);
3366         Label  message (string_compose (_("\
3367 This session appears to have been in\n\
3368 middle of recording when ardour or\n\
3369 the computer was shutdown.\n\
3370 \n\
3371 %1 can recover any captured audio for\n\
3372 you, or it can ignore it. Please decide\n\
3373 what you would like to do.\n"), PROGRAM_NAME));
3374         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3375         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3376         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3377         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3378         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3379         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3380         dialog.set_default_response (RESPONSE_ACCEPT);
3381         dialog.set_position (WIN_POS_CENTER);
3382         message.show();
3383         image->show();
3384         hbox->show();
3385
3386         switch (dialog.run ()) {
3387         case RESPONSE_ACCEPT:
3388                 return 1;
3389         default:
3390                 return 0;
3391         }
3392 }
3393
3394 int
3395 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3396 {
3397         HBox* hbox = new HBox();
3398         Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
3399         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3400         Label  message (string_compose (_("\
3401 This session was created with a sample rate of %1 Hz, but\n\
3402 %2 is currently running at %3 Hz.  If you load this session,\n\
3403 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3404
3405         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3406         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3407         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3408         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3409         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3410         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3411         dialog.set_default_response (RESPONSE_ACCEPT);
3412         dialog.set_position (WIN_POS_CENTER);
3413         message.show();
3414         image->show();
3415         hbox->show();
3416
3417         switch (dialog.run ()) {
3418         case RESPONSE_ACCEPT:
3419                 return 0;
3420         default:
3421                 return 1;
3422         }
3423 }
3424
3425
3426 void
3427 ARDOUR_UI::disconnect_from_jack ()
3428 {
3429         if (engine) {
3430                 if (engine->disconnect_from_jack ()) {
3431                         MessageDialog msg (*editor, _("Could not disconnect from JACK"));
3432                         msg.run ();
3433                 }
3434
3435                 update_sample_rate (0);
3436         }
3437 }
3438
3439 void
3440 ARDOUR_UI::reconnect_to_jack ()
3441 {
3442         if (engine) {
3443                 if (engine->reconnect_to_jack ()) {
3444                         MessageDialog msg (*editor,  _("Could not reconnect to JACK"));
3445                         msg.run ();
3446                 }
3447
3448                 update_sample_rate (0);
3449         }
3450 }
3451
3452 void
3453 ARDOUR_UI::use_config ()
3454 {
3455         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
3456         if (node) {
3457                 set_transport_controllable_state (*node);
3458         }
3459 }
3460
3461 void
3462 ARDOUR_UI::update_transport_clocks (framepos_t pos)
3463 {
3464         if (Config->get_primary_clock_delta_edit_cursor()) {
3465                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
3466         } else {
3467                 primary_clock->set (pos);
3468         }
3469
3470         if (Config->get_secondary_clock_delta_edit_cursor()) {
3471                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
3472         } else {
3473                 secondary_clock->set (pos);
3474         }
3475
3476         if (big_clock_window->get()) {
3477                 big_clock->set (pos);
3478         }
3479 }
3480
3481
3482 void
3483 ARDOUR_UI::step_edit_status_change (bool yn)
3484 {
3485         // XXX should really store pre-step edit status of things
3486         // we make insensitive
3487
3488         if (yn) {
3489                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
3490                 rec_button.set_sensitive (false);
3491         } else {
3492                 rec_button.unset_active_state ();;
3493                 rec_button.set_sensitive (true);
3494         }
3495 }
3496
3497 void
3498 ARDOUR_UI::record_state_changed ()
3499 {
3500         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
3501
3502         if (!_session || !big_clock_window->get()) {
3503                 /* why bother - the clock isn't visible */
3504                 return;
3505         }
3506
3507         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
3508                 big_clock->set_active (true);
3509         } else {
3510                 big_clock->set_active (false);
3511         }
3512 }
3513
3514 bool
3515 ARDOUR_UI::first_idle ()
3516 {
3517         if (_session) {
3518                 _session->allow_auto_play (true);
3519         }
3520
3521         if (editor) {
3522                 editor->first_idle();
3523         }
3524
3525         Keyboard::set_can_save_keybindings (true);
3526         return false;
3527 }
3528
3529 void
3530 ARDOUR_UI::store_clock_modes ()
3531 {
3532         XMLNode* node = new XMLNode(X_("ClockModes"));
3533
3534         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
3535                 XMLNode* child = new XMLNode (X_("Clock"));
3536
3537                 child->add_property (X_("name"), (*x)->name());
3538                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
3539                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
3540
3541                 node->add_child_nocopy (*child);
3542         }
3543
3544         _session->add_extra_xml (*node);
3545         _session->set_dirty ();
3546 }
3547
3548 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
3549         : Controllable (name), ui (u), type(tp)
3550 {
3551
3552 }
3553
3554 void
3555 ARDOUR_UI::TransportControllable::set_value (double val)
3556 {
3557         if (val < 0.5) {
3558                 /* do nothing: these are radio-style actions */
3559                 return;
3560         }
3561
3562         const char *action = 0;
3563
3564         switch (type) {
3565         case Roll:
3566                 action = X_("Roll");
3567                 break;
3568         case Stop:
3569                 action = X_("Stop");
3570                 break;
3571         case GotoStart:
3572                 action = X_("GotoStart");
3573                 break;
3574         case GotoEnd:
3575                 action = X_("GotoEnd");
3576                 break;
3577         case AutoLoop:
3578                 action = X_("Loop");
3579                 break;
3580         case PlaySelection:
3581                 action = X_("PlaySelection");
3582                 break;
3583         case RecordEnable:
3584                 action = X_("Record");
3585                 break;
3586         default:
3587                 break;
3588         }
3589
3590         if (action == 0) {
3591                 return;
3592         }
3593
3594         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
3595
3596         if (act) {
3597                 act->activate ();
3598         }
3599 }
3600
3601 double
3602 ARDOUR_UI::TransportControllable::get_value (void) const
3603 {
3604         float val = 0.0;
3605
3606         switch (type) {
3607         case Roll:
3608                 break;
3609         case Stop:
3610                 break;
3611         case GotoStart:
3612                 break;
3613         case GotoEnd:
3614                 break;
3615         case AutoLoop:
3616                 break;
3617         case PlaySelection:
3618                 break;
3619         case RecordEnable:
3620                 break;
3621         default:
3622                 break;
3623         }
3624
3625         return val;
3626 }
3627
3628 void
3629 ARDOUR_UI::setup_profile ()
3630 {
3631         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
3632                 Profile->set_small_screen ();
3633         }
3634
3635         if (getenv ("ARDOUR_SAE")) {
3636                 Profile->set_sae ();
3637                 Profile->set_single_package ();
3638         }
3639 }
3640
3641 void
3642 ARDOUR_UI::toggle_translations ()
3643 {
3644         using namespace Glib;
3645
3646         RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("EnableTranslation"));
3647         if (act) {
3648                 RefPtr<ToggleAction> ract = RefPtr<ToggleAction>::cast_dynamic (act);
3649                 if (ract) {
3650
3651                         string i18n_killer = ARDOUR::translation_kill_path();
3652
3653                         bool already_enabled = !ARDOUR::translations_are_disabled ();
3654
3655                         if (ract->get_active ()) {
3656                                 /* we don't care about errors */
3657                                 int fd = ::open (i18n_killer.c_str(), O_RDONLY|O_CREAT, 0644);
3658                                 close (fd);
3659                         } else {
3660                                 /* we don't care about errors */
3661                                 unlink (i18n_killer.c_str());
3662                         }
3663
3664                         if (already_enabled != ract->get_active()) {
3665                                 MessageDialog win (already_enabled ? _("Translations disabled") : _("Translations enabled"),
3666                                                    false,
3667                                                    Gtk::MESSAGE_WARNING,
3668                                                    Gtk::BUTTONS_OK);
3669                                 win.set_secondary_text (string_compose (_("You must restart %1 for this to take effect."), PROGRAM_NAME));
3670                                 win.set_position (Gtk::WIN_POS_CENTER);
3671                                 win.present ();
3672                                 win.run ();
3673                         }
3674                 }
3675         }
3676 }
3677
3678 /** Add a window proxy to our list, so that its state will be saved.
3679  *  This call also causes the window to be created and opened if its
3680  *  state was saved as `visible'.
3681  */
3682 void
3683 ARDOUR_UI::add_window_proxy (WindowProxyBase* p)
3684 {
3685         _window_proxies.push_back (p);
3686         p->maybe_show ();
3687 }
3688
3689 /** Remove a window proxy from our list.  Must be called if a WindowProxy
3690  *  is deleted, to prevent hanging pointers.
3691  */
3692 void
3693 ARDOUR_UI::remove_window_proxy (WindowProxyBase* p)
3694 {
3695         _window_proxies.remove (p);
3696 }
3697
3698 int
3699 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
3700 {
3701         MissingFileDialog dialog (s, str, type);
3702
3703         dialog.show ();
3704         dialog.present ();
3705
3706         int result = dialog.run ();
3707         dialog.hide ();
3708
3709         switch (result) {
3710         case RESPONSE_OK:
3711                 break;
3712         default:
3713                 return 1; // quit entire session load
3714         }
3715
3716         result = dialog.get_action ();
3717
3718         return result;
3719 }
3720
3721 int
3722 ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
3723 {
3724         AmbiguousFileDialog dialog (file, hits);
3725
3726         dialog.show ();
3727         dialog.present ();
3728
3729         dialog.run ();
3730         return dialog.get_which ();
3731 }
3732
3733 /** Allocate our thread-local buffers */
3734 void
3735 ARDOUR_UI::get_process_buffers ()
3736 {
3737         _process_thread->get_buffers ();
3738 }
3739
3740 /** Drop our thread-local buffers */
3741 void
3742 ARDOUR_UI::drop_process_buffers ()
3743 {
3744         _process_thread->drop_buffers ();
3745 }
3746
3747 void
3748 ARDOUR_UI::feedback_detected ()
3749 {
3750         _feedback_exists = true;
3751 }
3752
3753 void
3754 ARDOUR_UI::successful_graph_sort ()
3755 {
3756         _feedback_exists = false;
3757 }
3758
3759 void
3760 ARDOUR_UI::midi_panic ()
3761 {
3762         if (_session) {
3763                 _session->midi_panic();
3764         }
3765 }