gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #include "gtk2ardour-version.h"
  23 #endif
  24
  25 #include <algorithm>
  26 #include <cmath>
  27 #include <iostream>
  28 #include <cerrno>
  29 #include <fstream>
  30
  31 #include <stdarg.h>
  32
  33 #ifndef PLATFORM_WINDOWS
  34 #include <sys/resource.h>
  35 #endif
  36
  37 #include <stdint.h>
  38 #include <fcntl.h>
  39 #include <signal.h>
  40 #include <unistd.h>
  41 #include <time.h>
  42
  43 #include <glib.h>
  44 #include <pbd/gstdio_compat.h>
  45
  46 #include <gtkmm/messagedialog.h>
  47 #include <gtkmm/accelmap.h>
  48
  49 #include "pbd/error.h"
  50 #include "pbd/basename.h"
  51 #include "pbd/compose.h"
  52 #include "pbd/failed_constructor.h"
  53 #include "pbd/enumwriter.h"
  54 #include "pbd/memento_command.h"
  55 #include "pbd/openuri.h"
  56 #include "pbd/stl_delete.h"
  57 #include "pbd/file_utils.h"
  58 #include "pbd/localtime_r.h"
  59 #include "pbd/pthread_utils.h"
  60 #include "pbd/replace_all.h"
  61 #include "pbd/xml++.h"
  62
  63 #include "gtkmm2ext/application.h"
  64 #include "gtkmm2ext/bindings.h"
  65 #include "gtkmm2ext/gtk_ui.h"
  66 #include "gtkmm2ext/utils.h"
  67 #include "gtkmm2ext/click_box.h"
  68 #include "gtkmm2ext/fastmeter.h"
  69 #include "gtkmm2ext/popup.h"
  70 #include "gtkmm2ext/window_title.h"
  71
  72 #include "ardour/ardour.h"
  73 #include "ardour/audio_backend.h"
  74 #include "ardour/audioengine.h"
  75 #include "ardour/audiofilesource.h"
  76 #include "ardour/automation_watch.h"
  77 #include "ardour/diskstream.h"
  78 #include "ardour/filename_extensions.h"
  79 #include "ardour/filesystem_paths.h"
  80 #include "ardour/ltc_file_reader.h"
  81 #include "ardour/port.h"
  82 #include "ardour/plugin_manager.h"
  83 #include "ardour/process_thread.h"
  84 #include "ardour/profile.h"
  85 #include "ardour/recent_sessions.h"
  86 #include "ardour/session_directory.h"
  87 #include "ardour/session_route.h"
  88 #include "ardour/session_state_utils.h"
  89 #include "ardour/session_utils.h"
  90 #include "ardour/source_factory.h"
  91 #include "ardour/slave.h"
  92 #include "ardour/system_exec.h"
  93
  94 #ifdef WINDOWS_VST_SUPPORT
  95 #include <fst.h>
  96 #endif
  97 #ifdef AUDIOUNIT_SUPPORT
  98 #include "ardour/audio_unit.h"
  99 #endif
 100
 101 #include "timecode/time.h"
 102
 103 typedef uint64_t microseconds_t;
 104
 105 #include "about.h"
 106 #include "editing.h"
 107 #include "actions.h"
 108 #include "add_route_dialog.h"
 109 #include "ambiguous_file_dialog.h"
 110 #include "ardour_ui.h"
 111 #include "audio_clock.h"
 112 #include "audio_region_view.h"
 113 #include "big_clock_window.h"
 114 #include "bundle_manager.h"
 115 #include "engine_dialog.h"
 116 #include "export_video_dialog.h"
 117 #include "export_video_infobox.h"
 118 #include "gain_meter.h"
 119 #include "global_port_matrix.h"
 120 #include "gui_object.h"
 121 #include "gui_thread.h"
 122 #include "keyboard.h"
 123 #include "keyeditor.h"
 124 #include "location_ui.h"
 125 #include "main_clock.h"
 126 #include "missing_file_dialog.h"
 127 #include "missing_plugin_dialog.h"
 128 #include "mixer_ui.h"
 129 #include "meterbridge.h"
 130 #include "mouse_cursors.h"
 131 #include "nsm.h"
 132 #include "opts.h"
 133 #include "pingback.h"
 134 #include "processor_box.h"
 135 #include "prompter.h"
 136 #include "public_editor.h"
 137 #include "rc_option_editor.h"
 138 #include "route_time_axis.h"
 139 #include "route_params_ui.h"
 140 #include "save_as_dialog.h"
 141 #include "session_dialog.h"
 142 #include "session_metadata_dialog.h"
 143 #include "session_option_editor.h"
 144 #include "shuttle_control.h"
 145 #include "speaker_dialog.h"
 146 #include "splash.h"
 147 #include "startup.h"
 148 #include "theme_manager.h"
 149 #include "time_axis_view_item.h"
 150 #include "timers.h"
 151 #include "utils.h"
 152 #include "video_server_dialog.h"
 153 #include "add_video_dialog.h"
 154 #include "transcode_video_dialog.h"
 155
 156 #include "i18n.h"
 157
 158 using namespace ARDOUR;
 159 using namespace ARDOUR_UI_UTILS;
 160 using namespace PBD;
 161 using namespace Gtkmm2ext;
 162 using namespace Gtk;
 163 using namespace std;
 164 using namespace Editing;
 165
 166 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 167
 168 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 169 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 170
 171 static bool
 172 ask_about_configuration_copy (string const & old_dir, string const & new_dir, int version)
 173 {
 174         MessageDialog msg (string_compose (_("%1 %2.x has discovered configuration files from %1 %3.x.\n\n"
 175                                              "Would you like these files to be copied and used for %1 %2.x?\n\n"
 176                                              "(This will require you to restart %1.)"),
 177                                            PROGRAM_NAME, PROGRAM_VERSION, version),
 178                            false, /* no markup */
 179                            Gtk::MESSAGE_INFO,
 180                            Gtk::BUTTONS_YES_NO,
 181                            true /* modal, though it hardly matters since it is the only window */
 182                 );
 183
 184         msg.set_default_response (Gtk::RESPONSE_YES);
 185         msg.show_all ();
 186
 187         return (msg.run() == Gtk::RESPONSE_YES);
 188 }
 189
 190 static void
 191 libxml_generic_error_func (void* /* parsing_context*/,
 192                    const char* msg,
 193                    ...)
 194 {
 195         va_list ap;
 196         char buf[2048];
 197
 198         va_start (ap, msg);
 199         vsnprintf (buf, sizeof (buf), msg, ap);
 200         error << buf << endmsg;
 201         va_end (ap);
 202 }
 203
 204 static void
 205 libxml_structured_error_func (void* /* parsing_context*/,
 206                               xmlErrorPtr err)
 207 {
 208         string msg;
 209
 210         if (err->message)
 211                 msg = err->message;
 212
 213         replace_all (msg, "\n", "");
 214
 215         if (err->file && err->line) {
 216                 error << X_("XML error: ") << msg << " in " << err->file << " at line " << err->line;
 217
 218                 if (err->int2) {
 219                         error << ':' << err->int2;
 220                 }
 221         }
 222         error << endmsg;
 223 }
 224
 225
 226 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 227
 228         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 229         , session_loaded (false)
 230         , gui_object_state (new GUIObjectState)
 231         , primary_clock   (new MainClock (X_("primary"),   X_("transport"), true ))
 232         , secondary_clock (new MainClock (X_("secondary"), X_("secondary"), false))
 233         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 234         , video_timeline(0)
 235         , ignore_dual_punch (false)
 236         , editor (0)
 237         , mixer (0)
 238         , nsm (0)
 239         , _was_dirty (false)
 240         , _mixer_on_top (false)
 241         , _initial_verbose_plugin_scan (false)
 242         , first_time_engine_run (true)
 243         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 244         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 245         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 246         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 247         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 248         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 249         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 250         , auto_return_button (ArdourButton::led_default_elements)
 251         , follow_edits_button (ArdourButton::led_default_elements)
 252         , auto_input_button (ArdourButton::led_default_elements)
 253         , auditioning_alert_button (_("Audition"))
 254         , solo_alert_button (_("Solo"))
 255         , feedback_alert_button (_("Feedback"))
 256         , error_alert_button ( ArdourButton::just_led_default_elements )
 257         , editor_meter(0)
 258         , editor_meter_peak_display()
 259         , _numpad_locate_happening (false)
 260         , _session_is_new (false)
 261         , last_key_press_time (0)
 262         , save_as_dialog (0)
 263         , meterbridge (0)
 264         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 265         , key_editor (X_("key-editor"), _("Key Bindings"))
 266         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 267         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 268         , about (X_("about"), _("About"))
 269         , location_ui (X_("locations"), _("Locations"))
 270         , route_params (X_("inspector"), _("Tracks and Busses"))
 271         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 272         , export_video_dialog (X_("video-export"), _("Video Export Dialog"))
 273         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 274         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 275         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 276         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 277         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 278         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 279         , video_server_process (0)
 280         , splash (0)
 281         , have_configure_timeout (false)
 282         , last_configure_time (0)
 283         , last_peak_grab (0)
 284         , have_disk_speed_dialog_displayed (false)
 285         , _status_bar_visibility (X_("status-bar"))
 286         , _feedback_exists (false)
 287         , _log_not_acknowledged (LogLevelNone)
 288 {
 289         Gtkmm2ext::init (localedir);
 290
 291         UIConfiguration::instance().post_gui_init ();
 292
 293         if (ARDOUR::handle_old_configuration_files (boost::bind (ask_about_configuration_copy, _1, _2, _3))) {
 294                 MessageDialog msg (string_compose (_("Your configuration files were copied. You can now restart %1."), PROGRAM_NAME), true);
 295                 msg.run ();
 296                 /* configuration was modified, exit immediately */
 297                 _exit (0);
 298         }
 299
 300         if (theArdourUI == 0) {
 301                 theArdourUI = this;
 302         }
 303
 304         /* stop libxml from spewing to stdout/stderr */
 305
 306         xmlSetGenericErrorFunc (this, libxml_generic_error_func);
 307         xmlSetStructuredErrorFunc (this, libxml_structured_error_func);
 308
 309         UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 310         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 311         UIConfiguration::instance().map_parameters (pc);
 312
 313         roll_button.set_controllable (roll_controllable);
 314         stop_button.set_controllable (stop_controllable);
 315         goto_start_button.set_controllable (goto_start_controllable);
 316         goto_end_button.set_controllable (goto_end_controllable);
 317         auto_loop_button.set_controllable (auto_loop_controllable);
 318         play_selection_button.set_controllable (play_selection_controllable);
 319         rec_button.set_controllable (rec_controllable);
 320
 321         roll_button.set_name ("transport button");
 322         stop_button.set_name ("transport button");
 323         goto_start_button.set_name ("transport button");
 324         goto_end_button.set_name ("transport button");
 325         auto_loop_button.set_name ("transport button");
 326         play_selection_button.set_name ("transport button");
 327         rec_button.set_name ("transport recenable button");
 328         midi_panic_button.set_name ("transport button");
 329
 330         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 331         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 332
 333         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 334
 335         /* handle dialog requests */
 336
 337         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 338
 339         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 340
 341         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 342
 343         /* handle Audio/MIDI setup when session requires it */
 344
 345         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 346
 347         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 348
 349         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 350
 351         /* handle requests to quit (coming from JACK session) */
 352
 353         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 354
 355         /* tell the user about feedback */
 356
 357         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 358         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 359
 360         /* handle requests to deal with missing files */
 361
 362         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 363
 364         /* and ambiguous files */
 365
 366         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 367
 368         /* also plugin scan messages */
 369         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 370         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 371
 372         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 373
 374         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 375         set_flat_buttons();
 376
 377         /* lets get this party started */
 378
 379         setup_gtk_ardour_enums ();
 380         setup_profile ();
 381
 382         SessionEvent::create_per_thread_pool ("GUI", 4096);
 383
 384         /* we like keyboards */
 385
 386         keyboard = new ArdourKeyboard(*this);
 387
 388         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 389         if (node) {
 390                 keyboard->set_state (*node, Stateful::loading_state_version);
 391         }
 392
 393         /* we don't like certain modifiers */
 394         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 395
 396         UIConfiguration::instance().reset_dpi ();
 397
 398         TimeAxisViewItem::set_constant_heights ();
 399
 400         /* Set this up so that our window proxies can register actions */
 401
 402         ActionManager::init ();
 403
 404         /* The following must happen after ARDOUR::init() so that Config is set up */
 405
 406         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 407
 408         if (ui_xml) {
 409                 key_editor.set_state (*ui_xml);
 410                 rc_option_editor.set_state (*ui_xml);
 411                 session_option_editor.set_state (*ui_xml);
 412                 speaker_config_window.set_state (*ui_xml);
 413                 about.set_state (*ui_xml);
 414                 add_route_dialog.set_state (*ui_xml);
 415                 add_video_dialog.set_state (*ui_xml);
 416                 route_params.set_state (*ui_xml);
 417                 bundle_manager.set_state (*ui_xml);
 418                 location_ui.set_state (*ui_xml);
 419                 big_clock_window.set_state (*ui_xml);
 420                 audio_port_matrix.set_state (*ui_xml);
 421                 midi_port_matrix.set_state (*ui_xml);
 422                 export_video_dialog.set_state (*ui_xml);
 423         }
 424
 425         WM::Manager::instance().register_window (&key_editor);
 426         WM::Manager::instance().register_window (&rc_option_editor);
 427         WM::Manager::instance().register_window (&session_option_editor);
 428         WM::Manager::instance().register_window (&speaker_config_window);
 429         WM::Manager::instance().register_window (&about);
 430         WM::Manager::instance().register_window (&add_route_dialog);
 431         WM::Manager::instance().register_window (&add_video_dialog);
 432         WM::Manager::instance().register_window (&route_params);
 433         WM::Manager::instance().register_window (&audio_midi_setup);
 434         WM::Manager::instance().register_window (&export_video_dialog);
 435         WM::Manager::instance().register_window (&bundle_manager);
 436         WM::Manager::instance().register_window (&location_ui);
 437         WM::Manager::instance().register_window (&big_clock_window);
 438         WM::Manager::instance().register_window (&audio_port_matrix);
 439         WM::Manager::instance().register_window (&midi_port_matrix);
 440
 441         /* Trigger setting up the color scheme and loading the GTK RC file */
 442
 443         UIConfiguration::instance().load_rc_file (false);
 444
 445         _process_thread = new ProcessThread ();
 446         _process_thread->init ();
 447
 448         UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 449
 450         attach_to_engine ();
 451 }
 452
 453 GlobalPortMatrixWindow*
 454 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 455 {
 456         if (!_session) {
 457                 return 0;
 458         }
 459         return new GlobalPortMatrixWindow (_session, type);
 460 }
 461
 462 void
 463 ARDOUR_UI::attach_to_engine ()
 464 {
 465         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 466         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 467 }
 468
 469 void
 470 ARDOUR_UI::engine_stopped ()
 471 {
 472         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 473         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 474         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 475 }
 476
 477 void
 478 ARDOUR_UI::engine_running ()
 479 {
 480         if (first_time_engine_run) {
 481                 post_engine();
 482                 first_time_engine_run = false;
 483         }
 484
 485         if (_session) {
 486                 _session->reset_xrun_count ();
 487         }
 488         update_disk_space ();
 489         update_cpu_load ();
 490         update_xrun_count ();
 491         update_sample_rate (AudioEngine::instance()->sample_rate());
 492         update_timecode_format ();
 493         update_peak_thread_work ();
 494 }
 495
 496 void
 497 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 498 {
 499         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 500                 /* we can't rely on the original string continuing to exist when we are called
 501                    again in the GUI thread, so make a copy and note that we need to
 502                    free it later.
 503                 */
 504                 char *copy = strdup (reason);
 505                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 506                 return;
 507         }
 508
 509         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 510         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 511
 512         update_sample_rate (0);
 513
 514         string msgstr;
 515
 516         /* if the reason is a non-empty string, it means that the backend was shutdown
 517            rather than just Ardour.
 518         */
 519
 520         if (strlen (reason)) {
 521                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 522         } else {
 523                 msgstr = string_compose (_("\
 524 The audio backend has either been shutdown or it\n\
 525 disconnected %1 because %1\n\
 526 was not fast enough. Try to restart\n\
 527 the audio backend and save the session."), PROGRAM_NAME);
 528         }
 529
 530         MessageDialog msg (*editor, msgstr);
 531         pop_back_splash (msg);
 532         msg.run ();
 533
 534         if (free_reason) {
 535                 free (const_cast<char*> (reason));
 536         }
 537 }
 538
 539 void
 540 ARDOUR_UI::post_engine ()
 541 {
 542         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 543          */
 544 #ifdef AUDIOUNIT_SUPPORT
 545         std::string au_msg;
 546         if (AUPluginInfo::au_get_crashlog(au_msg)) {
 547                 popup_error(_("Audio Unit Plugin Scan Failed. Automatic AU scanning has been disabled. Please see the log window for further details."));
 548                 error << _("Audio Unit Plugin Scan Failed:") << endmsg;
 549                 info << au_msg << endmsg;
 550         }
 551 #endif
 552
 553         ARDOUR::init_post_engine ();
 554
 555         /* connect to important signals */
 556
 557         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 558         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 559         AudioEngine::instance()->BufferSizeChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 560         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 561         AudioEngine::instance()->BecameSilent.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::audioengine_became_silent, this), gui_context());
 562
 563         if (setup_windows ()) {
 564                 throw failed_constructor ();
 565         }
 566
 567         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 568         XMLNode* n = Config->extra_xml (X_("UI"));
 569         if (n) {
 570                 _status_bar_visibility.set_state (*n);
 571         }
 572
 573         check_memory_locking();
 574
 575         /* this is the first point at which all the keybindings are available */
 576
 577         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 578                 vector<string> names;
 579                 vector<string> paths;
 580                 vector<string> tooltips;
 581                 vector<string> keys;
 582                 vector<AccelKey> bindings;
 583
 584                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 585
 586                 vector<string>::iterator n;
 587                 vector<string>::iterator k;
 588                 vector<string>::iterator p;
 589                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 590                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 591                 }
 592
 593                 halt_connection.disconnect ();
 594                 AudioEngine::instance()->stop ();
 595                 exit (0);
 596         }
 597
 598         /* this being a GUI and all, we want peakfiles */
 599
 600         AudioFileSource::set_build_peakfiles (true);
 601         AudioFileSource::set_build_missing_peakfiles (true);
 602
 603         /* set default clock modes */
 604
 605         if (Profile->get_sae()) {
 606                 primary_clock->set_mode (AudioClock::BBT);
 607                 secondary_clock->set_mode (AudioClock::MinSec);
 608         }  else {
 609                 primary_clock->set_mode (AudioClock::Timecode);
 610                 secondary_clock->set_mode (AudioClock::BBT);
 611         }
 612
 613         /* start the time-of-day-clock */
 614
 615 #ifndef GTKOSX
 616         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 617         update_wall_clock ();
 618         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 619 #endif
 620
 621         {
 622                 DisplaySuspender ds;
 623                 Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 624                 boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 625                 Config->map_parameters (pc);
 626
 627                 UIConfiguration::instance().map_parameters (pc);
 628         }
 629 }
 630
 631 ARDOUR_UI::~ARDOUR_UI ()
 632 {
 633         UIConfiguration::instance().save_state();
 634
 635         stop_video_server();
 636
 637         if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
 638                 // don't bother at 'real' exit. the OS cleans up for us.
 639                 delete big_clock;
 640                 delete primary_clock;
 641                 delete secondary_clock;
 642                 delete _process_thread;
 643                 delete meterbridge;
 644                 delete editor;
 645                 delete mixer;
 646                 delete nsm;
 647                 delete gui_object_state;
 648                 FastMeter::flush_pattern_cache ();
 649                 PixFader::flush_pattern_cache ();
 650         }
 651
 652 #ifndef NDEBUG
 653         /* Small trick to flush main-thread event pool.
 654          * Other thread-pools are destroyed at pthread_exit(),
 655          * but tmain thread termination is too late to trigger Pool::~Pool()
 656          */
 657         SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Clear, SessionEvent::Immediate, 0, 0); // get the pool reference, values don't matter since the event is never queued.
 658         delete ev->event_pool();
 659 #endif
 660 }
 661
 662 void
 663 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 664 {
 665         if (Splash::instance()) {
 666                 Splash::instance()->pop_back_for (win);
 667         }
 668 }
 669
 670 gint
 671 ARDOUR_UI::configure_timeout ()
 672 {
 673         if (last_configure_time == 0) {
 674                 /* no configure events yet */
 675                 return true;
 676         }
 677
 678         /* force a gap of 0.5 seconds since the last configure event
 679          */
 680
 681         if (get_microseconds() - last_configure_time < 500000) {
 682                 return true;
 683         } else {
 684                 have_configure_timeout = false;
 685                 save_ardour_state ();
 686                 return false;
 687         }
 688 }
 689
 690 gboolean
 691 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 692 {
 693         if (have_configure_timeout) {
 694                 last_configure_time = get_microseconds();
 695         } else {
 696                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 697                 have_configure_timeout = true;
 698         }
 699
 700         return FALSE;
 701 }
 702
 703 void
 704 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 705 {
 706         const XMLProperty* prop;
 707
 708         if ((prop = node.property ("roll")) != 0) {
 709                 roll_controllable->set_id (prop->value());
 710         }
 711         if ((prop = node.property ("stop")) != 0) {
 712                 stop_controllable->set_id (prop->value());
 713         }
 714         if ((prop = node.property ("goto-start")) != 0) {
 715                 goto_start_controllable->set_id (prop->value());
 716         }
 717         if ((prop = node.property ("goto-end")) != 0) {
 718                 goto_end_controllable->set_id (prop->value());
 719         }
 720         if ((prop = node.property ("auto-loop")) != 0) {
 721                 auto_loop_controllable->set_id (prop->value());
 722         }
 723         if ((prop = node.property ("play-selection")) != 0) {
 724                 play_selection_controllable->set_id (prop->value());
 725         }
 726         if ((prop = node.property ("rec")) != 0) {
 727                 rec_controllable->set_id (prop->value());
 728         }
 729         if ((prop = node.property ("shuttle")) != 0) {
 730                 shuttle_box->controllable()->set_id (prop->value());
 731         }
 732 }
 733
 734 XMLNode&
 735 ARDOUR_UI::get_transport_controllable_state ()
 736 {
 737         XMLNode* node = new XMLNode(X_("TransportControllables"));
 738         char buf[64];
 739
 740         roll_controllable->id().print (buf, sizeof (buf));
 741         node->add_property (X_("roll"), buf);
 742         stop_controllable->id().print (buf, sizeof (buf));
 743         node->add_property (X_("stop"), buf);
 744         goto_start_controllable->id().print (buf, sizeof (buf));
 745         node->add_property (X_("goto_start"), buf);
 746         goto_end_controllable->id().print (buf, sizeof (buf));
 747         node->add_property (X_("goto_end"), buf);
 748         auto_loop_controllable->id().print (buf, sizeof (buf));
 749         node->add_property (X_("auto_loop"), buf);
 750         play_selection_controllable->id().print (buf, sizeof (buf));
 751         node->add_property (X_("play_selection"), buf);
 752         rec_controllable->id().print (buf, sizeof (buf));
 753         node->add_property (X_("rec"), buf);
 754         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 755         node->add_property (X_("shuttle"), buf);
 756
 757         return *node;
 758 }
 759
 760 void
 761 ARDOUR_UI::save_session_at_its_request (std::string snapshot_name)
 762 {
 763         if (_session) {
 764                 _session->save_state (snapshot_name);
 765         }
 766 }
 767
 768 gint
 769 ARDOUR_UI::autosave_session ()
 770 {
 771         if (g_main_depth() > 1) {
 772                 /* inside a recursive main loop,
 773                    give up because we may not be able to
 774                    take a lock.
 775                 */
 776                 return 1;
 777         }
 778
 779         if (!Config->get_periodic_safety_backups()) {
 780                 return 1;
 781         }
 782
 783         if (_session) {
 784                 _session->maybe_write_autosave();
 785         }
 786
 787         return 1;
 788 }
 789
 790 void
 791 ARDOUR_UI::update_autosave ()
 792 {
 793         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 794
 795         if (_session && _session->dirty()) {
 796                 if (_autosave_connection.connected()) {
 797                         _autosave_connection.disconnect();
 798                 }
 799
 800                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 801                                 Config->get_periodic_safety_backup_interval() * 1000);
 802
 803         } else {
 804                 if (_autosave_connection.connected()) {
 805                         _autosave_connection.disconnect();
 806                 }
 807         }
 808 }
 809
 810 void
 811 ARDOUR_UI::check_announcements ()
 812 {
 813 #ifdef PHONE_HOME
 814         string _annc_filename;
 815
 816 #ifdef __APPLE__
 817         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 818 #elif defined PLATFORM_WINDOWS
 819         _annc_filename = PROGRAM_NAME "_announcements_windows_";
 820 #else
 821         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 822 #endif
 823         _annc_filename.append (VERSIONSTRING);
 824
 825         _announce_string = "";
 826
 827         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 828         FILE* fin = g_fopen (path.c_str(), "rb");
 829         if (fin) {
 830                 while (!feof (fin)) {
 831                         char tmp[1024];
 832                         size_t len;
 833                         if ((len = fread (tmp, sizeof(char), 1024, fin)) == 0 || ferror (fin)) {
 834                                 break;
 835                         }
 836                         _announce_string.append (tmp, len);
 837                 }
 838                 fclose (fin);
 839         }
 840
 841         pingback (VERSIONSTRING, path);
 842 #endif
 843 }
 844
 845 int
 846 ARDOUR_UI::starting ()
 847 {
 848         Application* app = Application::instance ();
 849         const char *nsm_url;
 850         bool brand_new_user = ArdourStartup::required ();
 851
 852         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 853         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::load_from_application_api));
 854
 855         if (ARDOUR_COMMAND_LINE::check_announcements) {
 856                 check_announcements ();
 857         }
 858
 859         app->ready ();
 860
 861         /* we need to create this early because it may need to set the
 862          *  audio backend end up.
 863          */
 864
 865         try {
 866                 audio_midi_setup.get (true);
 867         } catch (...) {
 868                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 869                 return -1;
 870         }
 871
 872         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 873                 nsm = new NSM_Client;
 874                 if (!nsm->init (nsm_url)) {
 875                         /* the ardour executable may have different names:
 876                          *
 877                          * waf's obj.target for distro versions: eg ardour4, ardourvst4
 878                          * Ardour4, Mixbus3 for bundled versions + full path on OSX & windows
 879                          * argv[0] does not apply since we need the wrapper-script (not the binary itself)
 880                          *
 881                          * The wrapper startup script should set the environment variable 'ARDOUR_SELF'
 882                          */
 883                         const char *process_name = g_getenv ("ARDOUR_SELF");
 884                         nsm->announce (PROGRAM_NAME, ":dirty:", process_name ? process_name : "ardour4");
 885
 886                         unsigned int i = 0;
 887                         // wait for announce reply from nsm server
 888                         for ( i = 0; i < 5000; ++i) {
 889                                 nsm->check ();
 890
 891                                 Glib::usleep (i);
 892                                 if (nsm->is_active()) {
 893                                         break;
 894                                 }
 895                         }
 896                         if (i == 5000) {
 897                                 error << _("NSM server did not announce itself") << endmsg;
 898                                 return -1;
 899                         }
 900                         // wait for open command from nsm server
 901                         for ( i = 0; i < 5000; ++i) {
 902                                 nsm->check ();
 903                                 Glib::usleep (1000);
 904                                 if (nsm->client_id ()) {
 905                                         break;
 906                                 }
 907                         }
 908
 909                         if (i == 5000) {
 910                                 error << _("NSM: no client ID provided") << endmsg;
 911                                 return -1;
 912                         }
 913
 914                         if (_session && nsm) {
 915                                 _session->set_nsm_state( nsm->is_active() );
 916                         } else {
 917                                 error << _("NSM: no session created") << endmsg;
 918                                 return -1;
 919                         }
 920
 921                         // nsm requires these actions disabled
 922                         vector<string> action_names;
 923                         action_names.push_back("SaveAs");
 924                         action_names.push_back("Rename");
 925                         action_names.push_back("New");
 926                         action_names.push_back("Open");
 927                         action_names.push_back("Recent");
 928                         action_names.push_back("Close");
 929
 930                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 931                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 932                                 if (act) {
 933                                         act->set_sensitive (false);
 934                                 }
 935                         }
 936
 937                 } else {
 938                         delete nsm;
 939                         nsm = 0;
 940                         error << _("NSM: initialization failed") << endmsg;
 941                         return -1;
 942                 }
 943
 944         } else  {
 945
 946                 if (brand_new_user) {
 947                         _initial_verbose_plugin_scan = true;
 948                         ArdourStartup s;
 949                         s.present ();
 950                         main().run();
 951                         s.hide ();
 952                         _initial_verbose_plugin_scan = false;
 953                         switch (s.response ()) {
 954                         case Gtk::RESPONSE_OK:
 955                                 break;
 956                         default:
 957                                 return -1;
 958                         }
 959                 }
 960
 961 #ifdef NO_PLUGIN_STATE
 962
 963                 ARDOUR::RecentSessions rs;
 964                 ARDOUR::read_recent_sessions (rs);
 965
 966                 string path = Glib::build_filename (user_config_directory(), ".iknowaboutfreeversion");
 967
 968                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS) && !rs.empty()) {
 969
 970                         /* already used Ardour, have sessions ... warn about plugin state */
 971
 972                         ArdourDialog d (_("Free/Demo Version Warning"), true);
 973                         Label l;
 974                         Button b (string_compose (_("Subscribe and support development of %1"), PROGRAM_NAME));
 975                         CheckButton c (_("Don't warn me about this again"));
 976
 977                         l.set_markup (string_compose (_("<span weight=\"bold\" size=\"large\">%1</span>\n\n<b>%2</b>\n\n<i>%3</i>\n\n%4"),
 978                                                       string_compose (_("This is a free/demo version of %1"), PROGRAM_NAME),
 979                                                       _("It will not restore OR save any plugin settings"),
 980                                                       _("If you load an existing session with plugin settings\n"
 981                                                         "they will not be used and will be lost."),
 982                                                       _("To get full access to updates without this limitation\n"
 983                                                         "consider becoming a subscriber for a low cost every month.")));
 984                         l.set_justify (JUSTIFY_CENTER);
 985
 986                         b.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::launch_subscribe));
 987
 988                         d.get_vbox()->pack_start (l, true, true);
 989                         d.get_vbox()->pack_start (b, false, false, 12);
 990                         d.get_vbox()->pack_start (c, false, false, 12);
 991
 992                         d.add_button (_("Quit now"), RESPONSE_CANCEL);
 993                         d.add_button (string_compose (_("Continue using %1"), PROGRAM_NAME), RESPONSE_OK);
 994
 995                         d.show_all ();
 996
 997                         c.signal_toggled().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (toggle_file_existence), path)));
 998
 999                         if (d.run () != RESPONSE_OK) {
1000                                 _exit (0);
1001                         }
1002                 }
1003 #endif
1004
1005                 /* go get a session */
1006
1007                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
1008
1009                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
1010                         std::cerr << "Cannot get session parameters."<< std::endl;
1011                         return -1;
1012                 }
1013         }
1014
1015         use_config ();
1016
1017         goto_editor_window ();
1018
1019         WM::Manager::instance().show_visible ();
1020
1021         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
1022          * editor window, and we may want stuff to be hidden.
1023          */
1024         _status_bar_visibility.update ();
1025
1026         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
1027         return 0;
1028 }
1029
1030 void
1031 ARDOUR_UI::check_memory_locking ()
1032 {
1033 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
1034         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
1035         return;
1036 #else // !__APPLE__
1037
1038         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
1039
1040         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
1041
1042                 struct rlimit limits;
1043                 int64_t ram;
1044                 long pages, page_size;
1045 #ifdef __FreeBSD__
1046                 size_t pages_len=sizeof(pages);
1047                 if ((page_size = getpagesize()) < 0 ||
1048                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
1049 #else
1050                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
1051 #endif
1052                 {
1053                         ram = 0;
1054                 } else {
1055                         ram = (int64_t) pages * (int64_t) page_size;
1056                 }
1057
1058                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
1059                         return;
1060                 }
1061
1062                 if (limits.rlim_cur != RLIM_INFINITY) {
1063
1064                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
1065
1066                                 MessageDialog msg (
1067                                         string_compose (
1068                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
1069                                                   "This might cause %1 to run out of memory before your system "
1070                                                   "runs out of memory. \n\n"
1071                                                   "You can view the memory limit with 'ulimit -l', "
1072                                                   "and it is normally controlled by %2"),
1073                                                 PROGRAM_NAME,
1074 #ifdef __FreeBSD__
1075                                                 X_("/etc/login.conf")
1076 #else
1077                                                 X_(" /etc/security/limits.conf")
1078 #endif
1079                                         ).c_str());
1080
1081                                 msg.set_default_response (RESPONSE_OK);
1082
1083                                 VBox* vbox = msg.get_vbox();
1084                                 HBox hbox;
1085                                 CheckButton cb (_("Do not show this window again"));
1086                                 hbox.pack_start (cb, true, false);
1087                                 vbox->pack_start (hbox);
1088                                 cb.show();
1089                                 vbox->show();
1090                                 hbox.show ();
1091
1092                                 pop_back_splash (msg);
1093
1094                                 editor->ensure_float (msg);
1095                                 msg.run ();
1096
1097                                 if (cb.get_active()) {
1098                                         XMLNode node (X_("no-memory-warning"));
1099                                         Config->add_instant_xml (node);
1100                                 }
1101                         }
1102                 }
1103         }
1104 #endif // !__APPLE__
1105 }
1106
1107
1108 void
1109 ARDOUR_UI::queue_finish ()
1110 {
1111         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
1112 }
1113
1114 bool
1115 ARDOUR_UI::idle_finish ()
1116 {
1117         finish ();
1118         return false; /* do not call again */
1119 }
1120
1121 void
1122 ARDOUR_UI::finish()
1123 {
1124         if (_session) {
1125                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
1126
1127                 if (_session->dirty()) {
1128                         vector<string> actions;
1129                         actions.push_back (_("Don't quit"));
1130                         actions.push_back (_("Just quit"));
1131                         actions.push_back (_("Save and quit"));
1132                         switch (ask_about_saving_session(actions)) {
1133                         case -1:
1134                                 return;
1135                                 break;
1136                         case 1:
1137                                 /* use the default name */
1138                                 if (save_state_canfail ("")) {
1139                                         /* failed - don't quit */
1140                                         MessageDialog msg (*editor,
1141                                                            string_compose (_("\
1142 %1 was unable to save your session.\n\n\
1143 If you still wish to quit, please use the\n\n\
1144 \"Just quit\" option."), PROGRAM_NAME));
1145                                         pop_back_splash(msg);
1146                                         msg.run ();
1147                                         return;
1148                                 }
1149                                 break;
1150                         case 0:
1151                                 break;
1152                         }
1153                 }
1154
1155                 second_connection.disconnect ();
1156                 point_one_second_connection.disconnect ();
1157                 point_zero_something_second_connection.disconnect();
1158                 fps_connection.disconnect();
1159         }
1160
1161         delete ARDOUR_UI::instance()->video_timeline;
1162         ARDOUR_UI::instance()->video_timeline = NULL;
1163         stop_video_server();
1164
1165         /* Save state before deleting the session, as that causes some
1166            windows to be destroyed before their visible state can be
1167            saved.
1168         */
1169         save_ardour_state ();
1170
1171         close_all_dialogs ();
1172
1173         if (_session) {
1174                 _session->set_clean ();
1175                 _session->remove_pending_capture_state ();
1176                 delete _session;
1177                 _session = 0;
1178         }
1179
1180         halt_connection.disconnect ();
1181         AudioEngine::instance()->stop ();
1182 #ifdef WINDOWS_VST_SUPPORT
1183         fst_stop_threading();
1184 #endif
1185         quit ();
1186 }
1187
1188 int
1189 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1190 {
1191         ArdourDialog window (_("Unsaved Session"));
1192         Gtk::HBox dhbox;  // the hbox for the image and text
1193         Gtk::Label  prompt_label;
1194         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1195
1196         string msg;
1197
1198         assert (actions.size() >= 3);
1199
1200         window.add_button (actions[0], RESPONSE_REJECT);
1201         window.add_button (actions[1], RESPONSE_APPLY);
1202         window.add_button (actions[2], RESPONSE_ACCEPT);
1203
1204         window.set_default_response (RESPONSE_ACCEPT);
1205
1206         Gtk::Button noquit_button (msg);
1207         noquit_button.set_name ("EditorGTKButton");
1208
1209         string prompt;
1210
1211         if (_session->snap_name() == _session->name()) {
1212                 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?"),
1213                                         _session->snap_name());
1214         } else {
1215                 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?"),
1216                                         _session->snap_name());
1217         }
1218
1219         prompt_label.set_text (prompt);
1220         prompt_label.set_name (X_("PrompterLabel"));
1221         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1222
1223         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1224         dhbox.set_homogeneous (false);
1225         dhbox.pack_start (*dimage, false, false, 5);
1226         dhbox.pack_start (prompt_label, true, false, 5);
1227         window.get_vbox()->pack_start (dhbox);
1228
1229         window.set_name (_("Prompter"));
1230         window.set_modal (true);
1231         window.set_resizable (false);
1232
1233         dhbox.show();
1234         prompt_label.show();
1235         dimage->show();
1236         window.show();
1237         window.present ();
1238
1239         ResponseType r = (ResponseType) window.run();
1240
1241         window.hide ();
1242
1243         switch (r) {
1244         case RESPONSE_ACCEPT: // save and get out of here
1245                 return 1;
1246         case RESPONSE_APPLY:  // get out of here
1247                 return 0;
1248         default:
1249                 break;
1250         }
1251
1252         return -1;
1253 }
1254
1255
1256 void
1257 ARDOUR_UI::every_second ()
1258 {
1259         update_cpu_load ();
1260         update_xrun_count ();
1261         update_buffer_load ();
1262         update_disk_space ();
1263         update_timecode_format ();
1264         update_peak_thread_work ();
1265
1266         if (nsm && nsm->is_active ()) {
1267                 nsm->check ();
1268
1269                 if (!_was_dirty && _session->dirty ()) {
1270                         nsm->is_dirty ();
1271                         _was_dirty = true;
1272                 }
1273                 else if (_was_dirty && !_session->dirty ()){
1274                         nsm->is_clean ();
1275                         _was_dirty = false;
1276                 }
1277         }
1278 }
1279
1280 void
1281 ARDOUR_UI::every_point_one_seconds ()
1282 {
1283         // TODO get rid of this..
1284         // ShuttleControl is updated directly via TransportStateChange signal
1285 }
1286
1287 void
1288 ARDOUR_UI::every_point_zero_something_seconds ()
1289 {
1290         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1291
1292         if (editor_meter && UIConfiguration::instance().get_show_editor_meter()) {
1293                 float mpeak = editor_meter->update_meters();
1294                 if (mpeak > editor_meter_max_peak) {
1295                         if (mpeak >= UIConfiguration::instance().get_meter_peak()) {
1296                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1297                         }
1298                 }
1299         }
1300 }
1301
1302 void
1303 ARDOUR_UI::set_fps_timeout_connection ()
1304 {
1305         unsigned int interval = 40;
1306         if (!_session) return;
1307         if (_session->timecode_frames_per_second() != 0) {
1308                 /* ideally we'll use a select() to sleep and not accumulate
1309                  * idle time to provide a regular periodic signal.
1310                  * See linux_vst_gui_support.cc 'elapsed_time_ms'.
1311                  * However, that'll require a dedicated thread and cross-thread
1312                  * signals to the GUI Thread..
1313                  */
1314                 interval = floor(500. /* update twice per FPS, since Glib::signal_timeout is very irregular */
1315                                 * _session->frame_rate() / _session->nominal_frame_rate()
1316                                 / _session->timecode_frames_per_second()
1317                                 );
1318 #ifdef PLATFORM_WINDOWS
1319                 // the smallest windows scheduler time-slice is ~15ms.
1320                 // periodic GUI timeouts shorter than that will cause
1321                 // WaitForSingleObject to spinlock (100% of one CPU Core)
1322                 // and gtk never enters idle mode.
1323                 // also changing timeBeginPeriod(1) does not affect that in
1324                 // any beneficial way, so we just limit the max rate for now.
1325                 interval = std::max(30u, interval); // at most ~33Hz.
1326 #else
1327                 interval = std::max(8u, interval); // at most 120Hz.
1328 #endif
1329         }
1330         fps_connection.disconnect();
1331         Timers::set_fps_interval (interval);
1332 }
1333
1334 void
1335 ARDOUR_UI::update_sample_rate (framecnt_t)
1336 {
1337         char buf[64];
1338
1339         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1340
1341         if (!AudioEngine::instance()->connected()) {
1342
1343                 snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1344
1345         } else {
1346
1347                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1348
1349                 if (rate == 0) {
1350                         /* no sample rate available */
1351                         snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1352                 } else {
1353
1354                         if (fmod (rate, 1000.0) != 0.0) {
1355                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1356                                           (float) rate / 1000.0f,
1357                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1358                         } else {
1359                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1360                                           rate/1000,
1361                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1362                         }
1363                 }
1364         }
1365         sample_rate_label.set_markup (buf);
1366 }
1367
1368 void
1369 ARDOUR_UI::update_format ()
1370 {
1371         if (!_session) {
1372                 format_label.set_text ("");
1373                 return;
1374         }
1375
1376         stringstream s;
1377         s << _("File:") << X_(" <span foreground=\"green\">");
1378
1379         switch (_session->config.get_native_file_header_format ()) {
1380         case BWF:
1381                 s << _("BWF");
1382                 break;
1383         case WAVE:
1384                 s << _("WAV");
1385                 break;
1386         case WAVE64:
1387                 s << _("WAV64");
1388                 break;
1389         case CAF:
1390                 s << _("CAF");
1391                 break;
1392         case AIFF:
1393                 s << _("AIFF");
1394                 break;
1395         case iXML:
1396                 s << _("iXML");
1397                 break;
1398         case RF64:
1399                 s << _("RF64");
1400                 break;
1401         case RF64_WAV:
1402                 s << _("RF64/WAV");
1403                 break;
1404         case MBWF:
1405                 s << _("MBWF");
1406                 break;
1407         }
1408
1409         s << " ";
1410
1411         switch (_session->config.get_native_file_data_format ()) {
1412         case FormatFloat:
1413                 s << _("32-float");
1414                 break;
1415         case FormatInt24:
1416                 s << _("24-int");
1417                 break;
1418         case FormatInt16:
1419                 s << _("16-int");
1420                 break;
1421         }
1422
1423         s << X_("</span>");
1424
1425         format_label.set_markup (s.str ());
1426 }
1427
1428 void
1429 ARDOUR_UI::update_xrun_count ()
1430 {
1431         char buf[64];
1432
1433         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1434            should also be changed.
1435         */
1436
1437         if (_session) {
1438                 const unsigned int x = _session->get_xrun_count ();
1439                 if (x > 9999) {
1440                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">&gt;10K</span>"), X_("red"));
1441                 } else {
1442                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">%u</span>"), x > 0 ? X_("red") : X_("green"), x);
1443                 }
1444         } else {
1445                 snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">?</span>"), X_("yellow"));
1446         }
1447         xrun_label.set_markup (buf);
1448         set_tip (xrun_label, _("Audio dropouts. Shift+click to reset"));
1449 }
1450
1451 void
1452 ARDOUR_UI::update_cpu_load ()
1453 {
1454         char buf[64];
1455
1456         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1457            should also be changed.
1458         */
1459
1460         double const c = AudioEngine::instance()->get_dsp_load ();
1461         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1462         cpu_load_label.set_markup (buf);
1463 }
1464
1465 void
1466 ARDOUR_UI::update_peak_thread_work ()
1467 {
1468         char buf[64];
1469         const int c = SourceFactory::peak_work_queue_length ();
1470         if (c > 0) {
1471                 snprintf (buf, sizeof (buf), _("PkBld: <span foreground=\"%s\">%d</span>"), c >= 2 ? X_("red") : X_("green"), c);
1472                 peak_thread_work_label.set_markup (buf);
1473         } else {
1474                 peak_thread_work_label.set_markup (X_(""));
1475         }
1476 }
1477
1478 void
1479 ARDOUR_UI::update_buffer_load ()
1480 {
1481         char buf[256];
1482
1483         uint32_t const playback = _session ? _session->playback_load () : 100;
1484         uint32_t const capture = _session ? _session->capture_load () : 100;
1485
1486         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1487            should also be changed.
1488         */
1489
1490         if (_session) {
1491                 snprintf (
1492                         buf, sizeof (buf),
1493                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1494                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1495                         playback <= 5 ? X_("red") : X_("green"),
1496                         playback,
1497                         capture <= 5 ? X_("red") : X_("green"),
1498                         capture
1499                         );
1500
1501                 buffer_load_label.set_markup (buf);
1502         } else {
1503                 buffer_load_label.set_text ("");
1504         }
1505 }
1506
1507 void
1508 ARDOUR_UI::count_recenabled_streams (Route& route)
1509 {
1510         Track* track = dynamic_cast<Track*>(&route);
1511         if (track && track->record_enabled()) {
1512                 rec_enabled_streams += track->n_inputs().n_total();
1513         }
1514 }
1515
1516 void
1517 ARDOUR_UI::update_disk_space()
1518 {
1519         if (_session == 0) {
1520                 return;
1521         }
1522
1523         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1524         char buf[64];
1525         framecnt_t fr = _session->frame_rate();
1526
1527         if (fr == 0) {
1528                 /* skip update - no SR available */
1529                 return;
1530         }
1531
1532         if (!opt_frames) {
1533                 /* Available space is unknown */
1534                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1535         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1536                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1537         } else {
1538                 rec_enabled_streams = 0;
1539                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams, false);
1540
1541                 framecnt_t frames = opt_frames.get_value_or (0);
1542
1543                 if (rec_enabled_streams) {
1544                         frames /= rec_enabled_streams;
1545                 }
1546
1547                 int hrs;
1548                 int mins;
1549                 int secs;
1550
1551                 hrs  = frames / (fr * 3600);
1552
1553                 if (hrs > 24) {
1554                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1555                 } else {
1556                         frames -= hrs * fr * 3600;
1557                         mins = frames / (fr * 60);
1558                         frames -= mins * fr * 60;
1559                         secs = frames / fr;
1560
1561                         bool const low = (hrs == 0 && mins <= 30);
1562
1563                         snprintf (
1564                                 buf, sizeof(buf),
1565                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1566                                 low ? X_("red") : X_("green"),
1567                                 hrs, mins, secs
1568                                 );
1569                 }
1570         }
1571
1572         disk_space_label.set_markup (buf);
1573 }
1574
1575 void
1576 ARDOUR_UI::update_timecode_format ()
1577 {
1578         char buf[64];
1579
1580         if (_session) {
1581                 bool matching;
1582                 TimecodeSlave* tcslave;
1583                 SyncSource sync_src = Config->get_sync_source();
1584
1585                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1586                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1587                 } else {
1588                         matching = true;
1589                 }
1590
1591                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1592                           matching ? X_("green") : X_("red"),
1593                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1594         } else {
1595                 snprintf (buf, sizeof (buf), "TC: n/a");
1596         }
1597
1598         timecode_format_label.set_markup (buf);
1599 }
1600
1601 gint
1602 ARDOUR_UI::update_wall_clock ()
1603 {
1604         time_t now;
1605         struct tm *tm_now;
1606         static int last_min = -1;
1607
1608         time (&now);
1609         tm_now = localtime (&now);
1610         if (last_min != tm_now->tm_min) {
1611                 char buf[16];
1612                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1613                 wall_clock_label.set_text (buf);
1614                 last_min = tm_now->tm_min;
1615         }
1616
1617         return TRUE;
1618 }
1619
1620 void
1621 ARDOUR_UI::open_recent_session ()
1622 {
1623         bool can_return = (_session != 0);
1624
1625         SessionDialog recent_session_dialog;
1626
1627         while (true) {
1628
1629                 ResponseType r = (ResponseType) recent_session_dialog.run ();
1630
1631                 switch (r) {
1632                 case RESPONSE_ACCEPT:
1633                         break;
1634                 default:
1635                         if (can_return) {
1636                                 recent_session_dialog.hide();
1637                                 return;
1638                         } else {
1639                                 exit (1);
1640                         }
1641                 }
1642
1643                 recent_session_dialog.hide();
1644
1645                 bool should_be_new;
1646
1647                 std::string path = recent_session_dialog.session_folder();
1648                 std::string state = recent_session_dialog.session_name (should_be_new);
1649
1650                 if (should_be_new == true) {
1651                         continue;
1652                 }
1653
1654                 _session_is_new = false;
1655
1656                 if (load_session (path, state) == 0) {
1657                         break;
1658                 }
1659
1660                 can_return = false;
1661         }
1662 }
1663
1664 bool
1665 ARDOUR_UI::check_audioengine ()
1666 {
1667         if (!AudioEngine::instance()->connected()) {
1668                 MessageDialog msg (string_compose (
1669                                            _("%1 is not connected to any audio backend.\n"
1670                                              "You cannot open or close sessions in this condition"),
1671                                            PROGRAM_NAME));
1672                 pop_back_splash (msg);
1673                 msg.run ();
1674                 return false;
1675         }
1676         return true;
1677 }
1678
1679 void
1680 ARDOUR_UI::open_session ()
1681 {
1682         if (!check_audioengine()) {
1683                 return;
1684
1685         }
1686
1687         /* ardour sessions are folders */
1688         Gtk::FileChooserDialog open_session_selector(_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1689         open_session_selector.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1690         open_session_selector.add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1691         open_session_selector.set_default_response(Gtk::RESPONSE_ACCEPT);
1692
1693
1694
1695         if (_session) {
1696                 string session_parent_dir = Glib::path_get_dirname(_session->path());
1697                 open_session_selector.set_current_folder(session_parent_dir);
1698         } else {
1699                 open_session_selector.set_current_folder(Config->get_default_session_parent_dir());
1700         }
1701
1702         try {
1703                 /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1704 #ifdef GTKOSX
1705                 open_session_selector.add_shortcut_folder_uri("file:///Volumes");
1706 #endif
1707                 string default_session_folder = Config->get_default_session_parent_dir();
1708                 open_session_selector.add_shortcut_folder (default_session_folder);
1709         }
1710         catch (Glib::Error & e) {
1711                 std::cerr << "open_session_selector.add_shortcut_folder() threw Glib::Error " << e.what() << std::endl;
1712         }
1713
1714         FileFilter session_filter;
1715         session_filter.add_pattern (string_compose(X_("*%1"), ARDOUR::statefile_suffix));
1716         session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1717         open_session_selector.add_filter (session_filter);
1718         open_session_selector.set_filter (session_filter);
1719
1720         int response = open_session_selector.run();
1721         open_session_selector.hide ();
1722
1723         if (response == Gtk::RESPONSE_CANCEL) {
1724                 return;
1725         }
1726
1727         string session_path = open_session_selector.get_filename();
1728         string path, name;
1729         bool isnew;
1730
1731         if (session_path.length() > 0) {
1732                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1733                         _session_is_new = isnew;
1734                         load_session (path, name);
1735                 }
1736         }
1737 }
1738
1739
1740 void
1741 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1742                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1743 {
1744         list<boost::shared_ptr<MidiTrack> > tracks;
1745
1746         if (_session == 0) {
1747                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1748                 return;
1749         }
1750
1751         try {
1752                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1753
1754                 if (tracks.size() != how_many) {
1755                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1756                 }
1757         }
1758
1759         catch (...) {
1760                 MessageDialog msg (*editor,
1761                                    string_compose (_("There are insufficient ports available\n\
1762 to create a new track or bus.\n\
1763 You should save %1, exit and\n\
1764 restart with more ports."), PROGRAM_NAME));
1765                 msg.run ();
1766         }
1767 }
1768
1769
1770 void
1771 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1772 {
1773         ChanCount one_midi_channel;
1774         one_midi_channel.set (DataType::MIDI, 1);
1775
1776         if (disk) {
1777                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1778         }
1779 }
1780
1781 void
1782 ARDOUR_UI::session_add_audio_route (
1783         bool track,
1784         int32_t input_channels,
1785         int32_t output_channels,
1786         ARDOUR::TrackMode mode,
1787         RouteGroup* route_group,
1788         uint32_t how_many,
1789         string const & name_template
1790         )
1791 {
1792         list<boost::shared_ptr<AudioTrack> > tracks;
1793         RouteList routes;
1794
1795         if (_session == 0) {
1796                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1797                 return;
1798         }
1799
1800         try {
1801                 if (track) {
1802                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1803
1804                         if (tracks.size() != how_many) {
1805                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1806                                       << endmsg;
1807                         }
1808
1809                 } else {
1810
1811                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1812
1813                         if (routes.size() != how_many) {
1814                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1815                                       << endmsg;
1816                         }
1817                 }
1818         }
1819
1820         catch (...) {
1821                 MessageDialog msg (*editor,
1822                                    string_compose (_("There are insufficient ports available\n\
1823 to create a new track or bus.\n\
1824 You should save %1, exit and\n\
1825 restart with more ports."), PROGRAM_NAME));
1826                 pop_back_splash (msg);
1827                 msg.run ();
1828         }
1829 }
1830
1831 void
1832 ARDOUR_UI::transport_goto_start ()
1833 {
1834         if (_session) {
1835                 _session->goto_start();
1836
1837                 /* force displayed area in editor to start no matter
1838                    what "follow playhead" setting is.
1839                 */
1840
1841                 if (editor) {
1842                         editor->center_screen (_session->current_start_frame ());
1843                 }
1844         }
1845 }
1846
1847 void
1848 ARDOUR_UI::transport_goto_zero ()
1849 {
1850         if (_session) {
1851                 _session->request_locate (0);
1852
1853                 /* force displayed area in editor to start no matter
1854                    what "follow playhead" setting is.
1855                 */
1856
1857                 if (editor) {
1858                         editor->reset_x_origin (0);
1859                 }
1860         }
1861 }
1862
1863 void
1864 ARDOUR_UI::transport_goto_wallclock ()
1865 {
1866         if (_session && editor) {
1867
1868                 time_t now;
1869                 struct tm tmnow;
1870                 framepos_t frames;
1871
1872                 time (&now);
1873                 localtime_r (&now, &tmnow);
1874
1875                 framecnt_t frame_rate = _session->frame_rate();
1876
1877                 if (frame_rate == 0) {
1878                         /* no frame rate available */
1879                         return;
1880                 }
1881
1882                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1883                 frames += tmnow.tm_min * (60 * frame_rate);
1884                 frames += tmnow.tm_sec * frame_rate;
1885
1886                 _session->request_locate (frames, _session->transport_rolling ());
1887
1888                 /* force displayed area in editor to start no matter
1889                    what "follow playhead" setting is.
1890                 */
1891
1892                 if (editor) {
1893                         editor->center_screen (frames);
1894                 }
1895         }
1896 }
1897
1898 void
1899 ARDOUR_UI::transport_goto_end ()
1900 {
1901         if (_session) {
1902                 framepos_t const frame = _session->current_end_frame();
1903                 _session->request_locate (frame);
1904
1905                 /* force displayed area in editor to start no matter
1906                    what "follow playhead" setting is.
1907                 */
1908
1909                 if (editor) {
1910                         editor->center_screen (frame);
1911                 }
1912         }
1913 }
1914
1915 void
1916 ARDOUR_UI::transport_stop ()
1917 {
1918         if (!_session) {
1919                 return;
1920         }
1921
1922         if (_session->is_auditioning()) {
1923                 _session->cancel_audition ();
1924                 return;
1925         }
1926
1927         _session->request_stop (false, true);
1928 }
1929
1930 /** Check if any tracks are record enabled. If none are, record enable all of them.
1931  * @return true if track record-enabled status was changed, false otherwise.
1932  */
1933 bool
1934 ARDOUR_UI::trx_record_enable_all_tracks ()
1935 {
1936         if (!_session) {
1937                 return false;
1938         }
1939
1940         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1941         bool none_record_enabled = true;
1942
1943         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1944                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1945                 assert (t);
1946
1947                 if (t->record_enabled()) {
1948                         none_record_enabled = false;
1949                         break;
1950                 }
1951         }
1952
1953         if (none_record_enabled) {
1954                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
1955         }
1956
1957         return none_record_enabled;
1958 }
1959
1960 void
1961 ARDOUR_UI::transport_record (bool roll)
1962 {
1963         if (_session) {
1964                 switch (_session->record_status()) {
1965                 case Session::Disabled:
1966                         if (_session->ntracks() == 0) {
1967                                 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."));
1968                                 msg.run ();
1969                                 return;
1970                         }
1971                         if (Profile->get_trx()) {
1972                                 roll = trx_record_enable_all_tracks ();
1973                         }
1974                         _session->maybe_enable_record ();
1975                         if (roll) {
1976                                 transport_roll ();
1977                         }
1978                         break;
1979                 case Session::Recording:
1980                         if (roll) {
1981                                 _session->request_stop();
1982                         } else {
1983                                 _session->disable_record (false, true);
1984                         }
1985                         break;
1986
1987                 case Session::Enabled:
1988                         _session->disable_record (false, true);
1989                 }
1990         }
1991 }
1992
1993 void
1994 ARDOUR_UI::transport_roll ()
1995 {
1996         if (!_session) {
1997                 return;
1998         }
1999
2000         if (_session->is_auditioning()) {
2001                 return;
2002         }
2003
2004 #if 0
2005         if (_session->config.get_external_sync()) {
2006                 switch (Config->get_sync_source()) {
2007                 case Engine:
2008                         break;
2009                 default:
2010                         /* transport controlled by the master */
2011                         return;
2012                 }
2013         }
2014 #endif
2015
2016         bool rolling = _session->transport_rolling();
2017
2018         if (_session->get_play_loop()) {
2019
2020                 /* If loop playback is not a mode, then we should cancel
2021                    it when this action is requested. If it is a mode
2022                    we just leave it in place.
2023                 */
2024
2025                 if (!Config->get_loop_is_mode()) {
2026                         /* XXX it is not possible to just leave seamless loop and keep
2027                            playing at present (nov 4th 2009)
2028                         */
2029                         if (!Config->get_seamless_loop()) {
2030                                 /* stop loop playback and stop rolling */
2031                                 _session->request_play_loop (false, true);
2032                         } else if (rolling) {
2033                                 /* stop loop playback but keep rolling */
2034                                 _session->request_play_loop (false, false);
2035                         }
2036                 }
2037
2038         } else if (_session->get_play_range () ) {
2039                 /* stop playing a range if we currently are */
2040                 _session->request_play_range (0, true);
2041         }
2042
2043         if (!rolling) {
2044                 _session->request_transport_speed (1.0f);
2045         }
2046 }
2047
2048 bool
2049 ARDOUR_UI::get_smart_mode() const
2050 {
2051         return ( editor->get_smart_mode() );
2052 }
2053
2054
2055 void
2056 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
2057 {
2058         if (!_session) {
2059                 return;
2060         }
2061
2062         if (_session->is_auditioning()) {
2063                 _session->cancel_audition ();
2064                 return;
2065         }
2066
2067         if (_session->config.get_external_sync()) {
2068                 switch (Config->get_sync_source()) {
2069                 case Engine:
2070                         break;
2071                 default:
2072                         /* transport controlled by the master */
2073                         return;
2074                 }
2075         }
2076
2077         bool rolling = _session->transport_rolling();
2078         bool affect_transport = true;
2079
2080         if (rolling && roll_out_of_bounded_mode) {
2081                 /* drop out of loop/range playback but leave transport rolling */
2082                 if (_session->get_play_loop()) {
2083                         if (_session->actively_recording()) {
2084
2085                                 /* just stop using the loop, then actually stop
2086                                  * below
2087                                  */
2088                                 _session->request_play_loop (false, affect_transport);
2089
2090                         } else {
2091                                 if (Config->get_seamless_loop()) {
2092                                         /* the disk buffers contain copies of the loop - we can't
2093                                            just keep playing, so stop the transport. the user
2094                                            can restart as they wish.
2095                                         */
2096                                         affect_transport = true;
2097                                 } else {
2098                                         /* disk buffers are normal, so we can keep playing */
2099                                         affect_transport = false;
2100                                 }
2101                                 _session->request_play_loop (false, affect_transport);
2102                         }
2103                 } else if (_session->get_play_range ()) {
2104                         affect_transport = false;
2105                         _session->request_play_range (0, true);
2106                 }
2107         }
2108
2109         if (affect_transport) {
2110                 if (rolling) {
2111                         _session->request_stop (with_abort, true);
2112                 } else {
2113                         if (UIConfiguration::instance().get_follow_edits() && ( editor->get_selection().time.front().start == _session->transport_frame() ) ) {  //if playhead is exactly at the start of a range, we can assume it was placed there by follow_edits
2114                                 _session->request_play_range (&editor->get_selection().time, true);
2115                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2116                         }
2117                         _session->request_transport_speed (1.0f);
2118                 }
2119         }
2120 }
2121
2122 void
2123 ARDOUR_UI::toggle_session_auto_loop ()
2124 {
2125         Location * looploc = _session->locations()->auto_loop_location();
2126
2127         if (!_session || !looploc) {
2128                 return;
2129         }
2130
2131         if (_session->get_play_loop()) {
2132
2133                 /* looping enabled, our job is to disable it */
2134
2135                 _session->request_play_loop (false);
2136
2137         } else {
2138
2139                 /* looping not enabled, our job is to enable it.
2140
2141                    loop-is-NOT-mode: this action always starts the transport rolling.
2142                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2143                                         does not start transport.
2144                 */
2145                 if (Config->get_loop_is_mode()) {
2146                         _session->request_play_loop (true, false);
2147                 } else {
2148                         _session->request_play_loop (true, true);
2149                 }
2150         }
2151
2152         //show the loop markers
2153         looploc->set_hidden (false, this);
2154 }
2155
2156 void
2157 ARDOUR_UI::transport_play_selection ()
2158 {
2159         if (!_session) {
2160                 return;
2161         }
2162
2163         editor->play_selection ();
2164 }
2165
2166 void
2167 ARDOUR_UI::transport_play_preroll ()
2168 {
2169         if (!_session) {
2170                 return;
2171         }
2172         editor->play_with_preroll ();
2173 }
2174
2175 void
2176 ARDOUR_UI::transport_rewind (int option)
2177 {
2178         float current_transport_speed;
2179
2180         if (_session) {
2181                 current_transport_speed = _session->transport_speed();
2182
2183                 if (current_transport_speed >= 0.0f) {
2184                         switch (option) {
2185                         case 0:
2186                                 _session->request_transport_speed (-1.0f);
2187                                 break;
2188                         case 1:
2189                                 _session->request_transport_speed (-4.0f);
2190                                 break;
2191                         case -1:
2192                                 _session->request_transport_speed (-0.5f);
2193                                 break;
2194                         }
2195                 } else {
2196                         /* speed up */
2197                         _session->request_transport_speed (current_transport_speed * 1.5f);
2198                 }
2199         }
2200 }
2201
2202 void
2203 ARDOUR_UI::transport_forward (int option)
2204 {
2205         if (!_session) {
2206                 return;
2207         }
2208
2209         float current_transport_speed = _session->transport_speed();
2210
2211         if (current_transport_speed <= 0.0f) {
2212                 switch (option) {
2213                 case 0:
2214                         _session->request_transport_speed (1.0f);
2215                         break;
2216                 case 1:
2217                         _session->request_transport_speed (4.0f);
2218                         break;
2219                 case -1:
2220                         _session->request_transport_speed (0.5f);
2221                         break;
2222                 }
2223         } else {
2224                 /* speed up */
2225                 _session->request_transport_speed (current_transport_speed * 1.5f);
2226         }
2227 }
2228
2229 void
2230 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2231 {
2232         if (!_session) {
2233                 return;
2234         }
2235
2236         boost::shared_ptr<Route> r;
2237
2238         if ((r = _session->route_by_remote_id (rid)) != 0) {
2239
2240                 Track* t;
2241
2242                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2243                         t->set_record_enabled (!t->record_enabled(), this);
2244                 }
2245         }
2246 }
2247
2248 void
2249 ARDOUR_UI::map_transport_state ()
2250 {
2251         if (!_session) {
2252                 auto_loop_button.unset_active_state ();
2253                 play_selection_button.unset_active_state ();
2254                 roll_button.unset_active_state ();
2255                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2256                 return;
2257         }
2258
2259         shuttle_box->map_transport_state ();
2260
2261         float sp = _session->transport_speed();
2262
2263         if (sp != 0.0f) {
2264
2265                 /* we're rolling */
2266
2267                 if (_session->get_play_range()) {
2268
2269                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2270                         roll_button.unset_active_state ();
2271                         auto_loop_button.unset_active_state ();
2272
2273                 } else if (_session->get_play_loop ()) {
2274
2275                         auto_loop_button.set_active (true);
2276                         play_selection_button.set_active (false);
2277                         if (Config->get_loop_is_mode()) {
2278                                 roll_button.set_active (true);
2279                         } else {
2280                                 roll_button.set_active (false);
2281                         }
2282
2283                 } else {
2284
2285                         roll_button.set_active (true);
2286                         play_selection_button.set_active (false);
2287                         auto_loop_button.set_active (false);
2288                 }
2289
2290                 if (UIConfiguration::instance().get_follow_edits()) {
2291                         /* light up both roll and play-selection if they are joined */
2292                         roll_button.set_active (true);
2293                         play_selection_button.set_active (true);
2294                 }
2295
2296                 stop_button.set_active (false);
2297
2298         } else {
2299
2300                 stop_button.set_active (true);
2301                 roll_button.set_active (false);
2302                 play_selection_button.set_active (false);
2303                 if (Config->get_loop_is_mode ()) {
2304                         auto_loop_button.set_active (_session->get_play_loop());
2305                 } else {
2306                         auto_loop_button.set_active (false);
2307                 }
2308                 update_disk_space ();
2309         }
2310 }
2311
2312 void
2313 ARDOUR_UI::blink_handler (bool blink_on)
2314 {
2315         transport_rec_enable_blink (blink_on);
2316         solo_blink (blink_on);
2317         sync_blink (blink_on);
2318         audition_blink (blink_on);
2319         feedback_blink (blink_on);
2320         error_blink (blink_on);
2321 }
2322
2323 void
2324 ARDOUR_UI::update_clocks ()
2325 {
2326         if (!_session) return;
2327
2328         if (editor && !editor->dragging_playhead()) {
2329                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD)); /* EMIT_SIGNAL */
2330         }
2331 }
2332
2333 void
2334 ARDOUR_UI::start_clocking ()
2335 {
2336         if (UIConfiguration::instance().get_super_rapid_clock_update()) {
2337                 clock_signal_connection = Timers::fps_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2338         } else {
2339                 clock_signal_connection = Timers::rapid_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2340         }
2341 }
2342
2343 void
2344 ARDOUR_UI::stop_clocking ()
2345 {
2346         clock_signal_connection.disconnect ();
2347 }
2348
2349 bool
2350 ARDOUR_UI::save_as_progress_update (float fraction, int64_t cnt, int64_t total, Gtk::Label* label, Gtk::ProgressBar* bar)
2351 {
2352         char buf[256];
2353
2354         snprintf (buf, sizeof (buf), _("Copied %" PRId64 " of %" PRId64), cnt, total);
2355
2356         label->set_text (buf);
2357         bar->set_fraction (fraction);
2358
2359         /* process events, redraws, etc. */
2360
2361         while (gtk_events_pending()) {
2362                 gtk_main_iteration ();
2363         }
2364
2365         return true; /* continue with save-as */
2366 }
2367
2368 void
2369 ARDOUR_UI::save_session_as ()
2370 {
2371         if (!_session) {
2372                 return;
2373         }
2374
2375         if (!save_as_dialog) {
2376                 save_as_dialog = new SaveAsDialog;
2377         }
2378
2379         save_as_dialog->set_name (_session->name());
2380
2381         int response = save_as_dialog->run ();
2382
2383         save_as_dialog->hide ();
2384
2385         switch (response) {
2386         case Gtk::RESPONSE_OK:
2387                 break;
2388         default:
2389                 return;
2390         }
2391
2392
2393         Session::SaveAs sa;
2394
2395         sa.new_parent_folder = save_as_dialog->new_parent_folder ();
2396         sa.new_name = save_as_dialog->new_name ();
2397         sa.switch_to = save_as_dialog->switch_to();
2398         sa.copy_media = save_as_dialog->copy_media();
2399         sa.copy_external = save_as_dialog->copy_external();
2400         sa.include_media = save_as_dialog->include_media ();
2401
2402         /* Only bother with a progress dialog if we're going to copy
2403            media into the save-as target. Without that choice, this
2404            will be very fast because we're only talking about a few kB's to
2405            perhaps a couple of MB's of data.
2406         */
2407
2408         ArdourDialog progress_dialog (_("Save As"), true);
2409
2410         if (sa.include_media && sa.copy_media) {
2411
2412                 Gtk::Label label;
2413                 Gtk::ProgressBar progress_bar;
2414
2415                 progress_dialog.get_vbox()->pack_start (label);
2416                 progress_dialog.get_vbox()->pack_start (progress_bar);
2417                 label.show ();
2418                 progress_bar.show ();
2419
2420                 /* this signal will be emitted from within this, the calling thread,
2421                  * after every file is copied. It provides information on percentage
2422                  * complete (in terms of total data to copy), the number of files
2423                  * copied so far, and the total number to copy.
2424                  */
2425
2426                 ScopedConnection c;
2427
2428                 sa.Progress.connect_same_thread (c, boost::bind (&ARDOUR_UI::save_as_progress_update, this, _1, _2, _3, &label, &progress_bar));
2429
2430                 progress_dialog.show_all ();
2431                 progress_dialog.present ();
2432         }
2433
2434         if (_session->save_as (sa)) {
2435                 /* ERROR MESSAGE */
2436                 MessageDialog msg (string_compose (_("Save As failed: %1"), sa.failure_message));
2437                 msg.run ();
2438         }
2439
2440         if (!sa.include_media) {
2441                 unload_session (false);
2442                 load_session (sa.final_session_folder_name, sa.new_name);
2443         }
2444 }
2445
2446 /** Ask the user for the name of a new snapshot and then take it.
2447  */
2448
2449 void
2450 ARDOUR_UI::snapshot_session (bool switch_to_it)
2451 {
2452         ArdourPrompter prompter (true);
2453         string snapname;
2454
2455         prompter.set_name ("Prompter");
2456         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2457         if (switch_to_it) {
2458                 prompter.set_title (_("Save as..."));
2459                 prompter.set_prompt (_("New session name"));
2460         } else {
2461                 prompter.set_title (_("Take Snapshot"));
2462                 prompter.set_prompt (_("Name of new snapshot"));
2463         }
2464
2465         if (!switch_to_it) {
2466                 char timebuf[128];
2467                 time_t n;
2468                 struct tm local_time;
2469
2470                 time (&n);
2471                 localtime_r (&n, &local_time);
2472                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2473                 prompter.set_initial_text (timebuf);
2474         }
2475
2476   again:
2477         switch (prompter.run()) {
2478         case RESPONSE_ACCEPT:
2479         {
2480                 prompter.get_result (snapname);
2481
2482                 bool do_save = (snapname.length() != 0);
2483
2484                 if (do_save) {
2485                         char illegal = Session::session_name_is_legal(snapname);
2486                         if (illegal) {
2487                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2488                                                      "snapshot names may not contain a '%1' character"), illegal));
2489                                 msg.run ();
2490                                 goto again;
2491                         }
2492                 }
2493
2494                 vector<std::string> p;
2495                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2496                 vector<string> n = get_file_names_no_extension (p);
2497                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2498
2499                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2500                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2501                         confirm.get_vbox()->pack_start (m, true, true);
2502                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2503                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2504                         confirm.show_all ();
2505                         switch (confirm.run()) {
2506                         case RESPONSE_CANCEL:
2507                                 do_save = false;
2508                         }
2509                 }
2510
2511                 if (do_save) {
2512                         save_state (snapname, switch_to_it);
2513                 }
2514                 break;
2515         }
2516
2517         default:
2518                 break;
2519         }
2520 }
2521
2522 /** Ask the user for a new session name and then rename the session to it.
2523  */
2524
2525 void
2526 ARDOUR_UI::rename_session ()
2527 {
2528         if (!_session) {
2529                 return;
2530         }
2531
2532         ArdourPrompter prompter (true);
2533         string name;
2534
2535         prompter.set_name ("Prompter");
2536         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2537         prompter.set_title (_("Rename Session"));
2538         prompter.set_prompt (_("New session name"));
2539
2540   again:
2541         switch (prompter.run()) {
2542         case RESPONSE_ACCEPT:
2543         {
2544                 prompter.get_result (name);
2545
2546                 bool do_rename = (name.length() != 0);
2547
2548                 if (do_rename) {
2549                         char illegal = Session::session_name_is_legal (name);
2550
2551                         if (illegal) {
2552                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2553                                                                      "session names may not contain a '%1' character"), illegal));
2554                                 msg.run ();
2555                                 goto again;
2556                         }
2557
2558                         switch (_session->rename (name)) {
2559                         case -1: {
2560                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2561                                 msg.set_position (WIN_POS_MOUSE);
2562                                 msg.run ();
2563                                 goto again;
2564                                 break;
2565                         }
2566                         case 0:
2567                                 break;
2568                         default: {
2569                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2570                                 msg.set_position (WIN_POS_MOUSE);
2571                                 msg.run ();
2572                                 break;
2573                         }
2574                         }
2575                 }
2576
2577                 break;
2578         }
2579
2580         default:
2581                 break;
2582         }
2583 }
2584
2585 void
2586 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2587 {
2588         if (!_session || _session->deletion_in_progress()) {
2589                 return;
2590         }
2591
2592         XMLNode* node = new XMLNode (X_("UI"));
2593
2594         WM::Manager::instance().add_state (*node);
2595
2596         node->add_child_nocopy (gui_object_state->get_state());
2597
2598         _session->add_extra_xml (*node);
2599
2600         if (export_video_dialog) {
2601                 _session->add_extra_xml (export_video_dialog->get_state());
2602         }
2603
2604         save_state_canfail (name, switch_to_it);
2605 }
2606
2607 int
2608 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2609 {
2610         if (_session) {
2611                 int ret;
2612
2613                 if (name.length() == 0) {
2614                         name = _session->snap_name();
2615                 }
2616
2617                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2618                         return ret;
2619                 }
2620         }
2621
2622         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2623         return 0;
2624 }
2625
2626 void
2627 ARDOUR_UI::primary_clock_value_changed ()
2628 {
2629         if (_session) {
2630                 _session->request_locate (primary_clock->current_time ());
2631         }
2632 }
2633
2634 void
2635 ARDOUR_UI::big_clock_value_changed ()
2636 {
2637         if (_session) {
2638                 _session->request_locate (big_clock->current_time ());
2639         }
2640 }
2641
2642 void
2643 ARDOUR_UI::secondary_clock_value_changed ()
2644 {
2645         if (_session) {
2646                 _session->request_locate (secondary_clock->current_time ());
2647         }
2648 }
2649
2650 void
2651 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2652 {
2653         if (_session == 0) {
2654                 return;
2655         }
2656
2657         if (_session->step_editing()) {
2658                 return;
2659         }
2660
2661         Session::RecordState const r = _session->record_status ();
2662         bool const h = _session->have_rec_enabled_track ();
2663
2664         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2665                 if (onoff) {
2666                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2667                 } else {
2668                         rec_button.set_active_state (Gtkmm2ext::Off);
2669                 }
2670         } else if (r == Session::Recording && h) {
2671                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2672         } else {
2673                 rec_button.unset_active_state ();
2674         }
2675 }
2676
2677 void
2678 ARDOUR_UI::save_template ()
2679 {
2680         ArdourPrompter prompter (true);
2681         string name;
2682
2683         if (!check_audioengine()) {
2684                 return;
2685         }
2686
2687         prompter.set_name (X_("Prompter"));
2688         prompter.set_title (_("Save Template"));
2689         prompter.set_prompt (_("Name for template:"));
2690         prompter.set_initial_text(_session->name() + _("-template"));
2691         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2692
2693         switch (prompter.run()) {
2694         case RESPONSE_ACCEPT:
2695                 prompter.get_result (name);
2696
2697                 if (name.length()) {
2698                         _session->save_template (name);
2699                 }
2700                 break;
2701
2702         default:
2703                 break;
2704         }
2705 }
2706
2707 void
2708 ARDOUR_UI::edit_metadata ()
2709 {
2710         SessionMetadataEditor dialog;
2711         dialog.set_session (_session);
2712         dialog.grab_focus ();
2713         dialog.run ();
2714 }
2715
2716 void
2717 ARDOUR_UI::import_metadata ()
2718 {
2719         SessionMetadataImporter dialog;
2720         dialog.set_session (_session);
2721         dialog.run ();
2722 }
2723
2724 bool
2725 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2726 {
2727         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2728
2729         MessageDialog msg (str,
2730                            false,
2731                            Gtk::MESSAGE_WARNING,
2732                            Gtk::BUTTONS_YES_NO,
2733                            true);
2734
2735
2736         msg.set_name (X_("OpenExistingDialog"));
2737         msg.set_title (_("Open Existing Session"));
2738         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2739         msg.set_position (Gtk::WIN_POS_CENTER);
2740         pop_back_splash (msg);
2741
2742         switch (msg.run()) {
2743         case RESPONSE_YES:
2744                 return true;
2745                 break;
2746         }
2747         return false;
2748 }
2749
2750 int
2751 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2752 {
2753         BusProfile bus_profile;
2754
2755         if (nsm || Profile->get_sae()) {
2756
2757                 bus_profile.master_out_channels = 2;
2758                 bus_profile.input_ac = AutoConnectPhysical;
2759                 bus_profile.output_ac = AutoConnectMaster;
2760                 bus_profile.requested_physical_in = 0; // use all available
2761                 bus_profile.requested_physical_out = 0; // use all available
2762
2763         } else {
2764
2765                 /* get settings from advanced section of NSD */
2766
2767                 if (sd.create_master_bus()) {
2768                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2769                 } else {
2770                         bus_profile.master_out_channels = 0;
2771                 }
2772
2773                 if (sd.connect_inputs()) {
2774                         bus_profile.input_ac = AutoConnectPhysical;
2775                 } else {
2776                         bus_profile.input_ac = AutoConnectOption (0);
2777                 }
2778
2779                 bus_profile.output_ac = AutoConnectOption (0);
2780
2781                 if (sd.connect_outputs ()) {
2782                         if (sd.connect_outs_to_master()) {
2783                                 bus_profile.output_ac = AutoConnectMaster;
2784                         } else if (sd.connect_outs_to_physical()) {
2785                                 bus_profile.output_ac = AutoConnectPhysical;
2786                         }
2787                 }
2788
2789                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2790                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2791         }
2792
2793         if (build_session (session_path, session_name, bus_profile)) {
2794                 return -1;
2795         }
2796
2797         return 0;
2798 }
2799
2800 void
2801 ARDOUR_UI::load_from_application_api (const std::string& path)
2802 {
2803         ARDOUR_COMMAND_LINE::session_name = path;
2804
2805         if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2806                 /* /path/to/foo => /path/to/foo, foo */
2807                 load_session (path, basename_nosuffix (path));
2808         } else {
2809                 /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2810                 load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2811         }
2812 }
2813
2814 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2815 int
2816 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2817 {
2818         string session_name;
2819         string session_path;
2820         string template_name;
2821         int ret = -1;
2822         bool likely_new = false;
2823         bool cancel_not_quit;
2824
2825         /* deal with any existing DIRTY session now, rather than later. don't
2826          * treat a non-dirty session this way, so that it stays visible
2827          * as we bring up the new session dialog.
2828          */
2829
2830         if (_session && ARDOUR_UI::instance()->video_timeline) {
2831                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2832         }
2833
2834         /* if there is already a session, relabel the button
2835            on the SessionDialog so that we don't Quit directly
2836         */
2837         cancel_not_quit = (_session != 0);
2838
2839         if (_session && _session->dirty()) {
2840                 if (unload_session (false)) {
2841                         /* unload cancelled by user */
2842                         return 0;
2843                 }
2844                 ARDOUR_COMMAND_LINE::session_name = "";
2845         }
2846
2847         if (!load_template.empty()) {
2848                 should_be_new = true;
2849                 template_name = load_template;
2850         }
2851
2852         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2853         session_path = ARDOUR_COMMAND_LINE::session_name;
2854
2855         if (!session_path.empty()) {
2856                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2857                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2858                                 /* session/snapshot file, change path to be dir */
2859                                 session_path = Glib::path_get_dirname (session_path);
2860                         }
2861                 }
2862         }
2863
2864         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2865
2866         while (ret != 0) {
2867
2868                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2869
2870                         /* if they named a specific statefile, use it, otherwise they are
2871                            just giving a session folder, and we want to use it as is
2872                            to find the session.
2873                         */
2874
2875                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2876
2877                         if (suffix != string::npos) {
2878                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2879                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2880                                 session_name = Glib::path_get_basename (session_name);
2881                         } else {
2882                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2883                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2884                         }
2885                 } else {
2886                         session_path = "";
2887                         session_name = "";
2888                         session_dialog.clear_given ();
2889                 }
2890
2891                 if (should_be_new || session_name.empty()) {
2892                         /* need the dialog to get info from user */
2893
2894                         cerr << "run dialog\n";
2895
2896                         switch (session_dialog.run()) {
2897                         case RESPONSE_ACCEPT:
2898                                 break;
2899                         default:
2900                                 if (quit_on_cancel) {
2901                                         // JE - Currently (July 2014) this section can only get reached if the
2902                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2903                                         // point does NOT indicate an abnormal termination). Therefore, let's
2904                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2905                                         ARDOUR::cleanup ();
2906                                         pthread_cancel_all ();
2907
2908                                         exit (1);
2909                                 } else {
2910                                         return ret;
2911                                 }
2912                         }
2913
2914                         session_dialog.hide ();
2915                 }
2916
2917                 /* if we run the startup dialog again, offer more than just "new session" */
2918
2919                 should_be_new = false;
2920
2921                 session_name = session_dialog.session_name (likely_new);
2922                 session_path = session_dialog.session_folder ();
2923
2924                 if (nsm) {
2925                         likely_new = true;
2926                 }
2927
2928                 string::size_type suffix = session_name.find (statefile_suffix);
2929
2930                 if (suffix != string::npos) {
2931                         session_name = session_name.substr (0, suffix);
2932                 }
2933
2934                 /* this shouldn't happen, but we catch it just in case it does */
2935
2936                 if (session_name.empty()) {
2937                         continue;
2938                 }
2939
2940                 if (session_dialog.use_session_template()) {
2941                         template_name = session_dialog.session_template_name();
2942                         _session_is_new = true;
2943                 }
2944
2945                 if (session_name[0] == G_DIR_SEPARATOR ||
2946 #ifdef PLATFORM_WINDOWS
2947                     (session_name.length() > 3 && session_name[1] == ':' && session_name[2] == G_DIR_SEPARATOR)
2948 #else
2949                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2950                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)
2951 #endif
2952                          )
2953                 {
2954
2955                         /* absolute path or cwd-relative path specified for session name: infer session folder
2956                            from what was given.
2957                         */
2958
2959                         session_path = Glib::path_get_dirname (session_name);
2960                         session_name = Glib::path_get_basename (session_name);
2961
2962                 } else {
2963
2964                         session_path = session_dialog.session_folder();
2965
2966                         char illegal = Session::session_name_is_legal (session_name);
2967
2968                         if (illegal) {
2969                                 MessageDialog msg (session_dialog,
2970                                                    string_compose (_("To ensure compatibility with various systems\n"
2971                                                                      "session names may not contain a '%1' character"),
2972                                                                    illegal));
2973                                 msg.run ();
2974                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2975                                 continue;
2976                         }
2977                 }
2978
2979                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2980
2981
2982                         if (likely_new && !nsm) {
2983
2984                                 std::string existing = Glib::build_filename (session_path, session_name);
2985
2986                                 if (!ask_about_loading_existing_session (existing)) {
2987                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2988                                         continue;
2989                                 }
2990                         }
2991
2992                         _session_is_new = false;
2993
2994                 } else {
2995
2996                         if (!likely_new) {
2997                                 pop_back_splash (session_dialog);
2998                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2999                                 msg.run ();
3000                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3001                                 continue;
3002                         }
3003
3004                         char illegal = Session::session_name_is_legal(session_name);
3005
3006                         if (illegal) {
3007                                 pop_back_splash (session_dialog);
3008                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
3009                                                                                     "session names may not contain a '%1' character"), illegal));
3010                                 msg.run ();
3011                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3012                                 continue;
3013                         }
3014
3015                         _session_is_new = true;
3016                 }
3017
3018                 if (likely_new && template_name.empty()) {
3019
3020                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
3021
3022                 } else {
3023
3024                         ret = load_session (session_path, session_name, template_name);
3025
3026                         if (ret == -2) {
3027                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
3028                                 exit (1);
3029                         }
3030
3031                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
3032                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
3033                                 exit (1);
3034                         }
3035
3036                         /* clear this to avoid endless attempts to load the
3037                            same session.
3038                         */
3039
3040                         ARDOUR_COMMAND_LINE::session_name = "";
3041                 }
3042         }
3043
3044         return ret;
3045 }
3046
3047 void
3048 ARDOUR_UI::close_session()
3049 {
3050         if (!check_audioengine()) {
3051                 return;
3052         }
3053
3054         if (unload_session (true)) {
3055                 return;
3056         }
3057
3058         ARDOUR_COMMAND_LINE::session_name = "";
3059
3060         if (get_session_parameters (true, false)) {
3061                 exit (1);
3062         }
3063
3064         goto_editor_window ();
3065 }
3066
3067 /** @param snap_name Snapshot name (without .ardour suffix).
3068  *  @return -2 if the load failed because we are not connected to the AudioEngine.
3069  */
3070 int
3071 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
3072 {
3073         Session *new_session;
3074         int unload_status;
3075         int retval = -1;
3076
3077         if (_session) {
3078                 unload_status = unload_session ();
3079
3080                 if (unload_status < 0) {
3081                         goto out;
3082                 } else if (unload_status > 0) {
3083                         retval = 0;
3084                         goto out;
3085                 }
3086         }
3087
3088         session_loaded = false;
3089
3090         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
3091
3092         try {
3093                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
3094         }
3095
3096         /* this one is special */
3097
3098         catch (AudioEngine::PortRegistrationFailure& err) {
3099
3100                 MessageDialog msg (err.what(),
3101                                    true,
3102                                    Gtk::MESSAGE_INFO,
3103                                    Gtk::BUTTONS_CLOSE);
3104
3105                 msg.set_title (_("Port Registration Error"));
3106                 msg.set_secondary_text (_("Click the Close button to try again."));
3107                 msg.set_position (Gtk::WIN_POS_CENTER);
3108                 pop_back_splash (msg);
3109                 msg.present ();
3110
3111                 int response = msg.run ();
3112
3113                 msg.hide ();
3114
3115                 switch (response) {
3116                 case RESPONSE_CANCEL:
3117                         exit (1);
3118                 default:
3119                         break;
3120                 }
3121                 goto out;
3122         }
3123         catch (SessionException e) {
3124                 MessageDialog msg (string_compose(
3125                                            _("Session \"%1 (snapshot %2)\" did not load successfully: %3"),
3126                                            path, snap_name, e.what()),
3127                                    true,
3128                                    Gtk::MESSAGE_INFO,
3129                                    BUTTONS_OK);
3130
3131                 msg.set_title (_("Loading Error"));
3132                 msg.set_position (Gtk::WIN_POS_CENTER);
3133                 pop_back_splash (msg);
3134                 msg.present ();
3135
3136                 dump_errors (cerr);
3137
3138                 (void) msg.run ();
3139                 msg.hide ();
3140
3141                 goto out;
3142         }
3143         catch (...) {
3144
3145                 MessageDialog msg (string_compose(
3146                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
3147                                            path, snap_name),
3148                                    true,
3149                                    Gtk::MESSAGE_INFO,
3150                                    BUTTONS_OK);
3151
3152                 msg.set_title (_("Loading Error"));
3153                 msg.set_position (Gtk::WIN_POS_CENTER);
3154                 pop_back_splash (msg);
3155                 msg.present ();
3156
3157                 dump_errors (cerr);
3158
3159                 (void) msg.run ();
3160                 msg.hide ();
3161
3162                 goto out;
3163         }
3164
3165         {
3166                 list<string> const u = new_session->unknown_processors ();
3167                 if (!u.empty()) {
3168                         MissingPluginDialog d (_session, u);
3169                         d.run ();
3170                 }
3171         }
3172
3173         if (!new_session->writable()) {
3174                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
3175                                    true,
3176                                    Gtk::MESSAGE_INFO,
3177                                    BUTTONS_OK);
3178
3179                 msg.set_title (_("Read-only Session"));
3180                 msg.set_position (Gtk::WIN_POS_CENTER);
3181                 pop_back_splash (msg);
3182                 msg.present ();
3183                 (void) msg.run ();
3184                 msg.hide ();
3185         }
3186
3187
3188         /* Now the session been created, add the transport controls */
3189         new_session->add_controllable(roll_controllable);
3190         new_session->add_controllable(stop_controllable);
3191         new_session->add_controllable(goto_start_controllable);
3192         new_session->add_controllable(goto_end_controllable);
3193         new_session->add_controllable(auto_loop_controllable);
3194         new_session->add_controllable(play_selection_controllable);
3195         new_session->add_controllable(rec_controllable);
3196
3197         set_session (new_session);
3198
3199         session_loaded = true;
3200
3201         goto_editor_window ();
3202
3203         if (_session) {
3204                 _session->set_clean ();
3205         }
3206
3207 #ifdef WINDOWS_VST_SUPPORT
3208         fst_stop_threading();
3209 #endif
3210
3211         flush_pending ();
3212
3213 #ifdef WINDOWS_VST_SUPPORT
3214         fst_start_threading();
3215 #endif
3216         retval = 0;
3217
3218   out:
3219         return retval;
3220 }
3221
3222 int
3223 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3224 {
3225         Session *new_session;
3226         int x;
3227
3228         session_loaded = false;
3229         x = unload_session ();
3230
3231         if (x < 0) {
3232                 return -1;
3233         } else if (x > 0) {
3234                 return 0;
3235         }
3236
3237         _session_is_new = true;
3238
3239         try {
3240                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3241         }
3242
3243         catch (SessionException e) {
3244                 dump_errors (cerr);
3245                 MessageDialog msg (string_compose(_("Could not create session in \"%1\": %2"), path, e.what()));
3246                 msg.set_title (_("Loading Error"));
3247                 msg.set_position (Gtk::WIN_POS_CENTER);
3248                 pop_back_splash (msg);
3249                 msg.run ();
3250                 return -1;
3251         }
3252         catch (...) {
3253                 dump_errors (cerr);
3254                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3255                 msg.set_title (_("Loading Error"));
3256                 msg.set_position (Gtk::WIN_POS_CENTER);
3257                 pop_back_splash (msg);
3258                 msg.run ();
3259                 return -1;
3260         }
3261
3262         /* Give the new session the default GUI state, if such things exist */
3263
3264         XMLNode* n;
3265         n = Config->instant_xml (X_("Editor"));
3266         if (n) {
3267                 n->remove_nodes_and_delete ("Selection"); // no not apply selection to new sessions.
3268                 new_session->add_instant_xml (*n, false);
3269         }
3270         n = Config->instant_xml (X_("Mixer"));
3271         if (n) {
3272                 new_session->add_instant_xml (*n, false);
3273         }
3274
3275         /* Put the playhead at 0 and scroll fully left */
3276         n = new_session->instant_xml (X_("Editor"));
3277         if (n) {
3278                 n->add_property (X_("playhead"), X_("0"));
3279                 n->add_property (X_("left-frame"), X_("0"));
3280         }
3281
3282         set_session (new_session);
3283
3284         session_loaded = true;
3285
3286         new_session->save_state(new_session->name());
3287
3288         return 0;
3289 }
3290
3291 void
3292 ARDOUR_UI::launch_chat ()
3293 {
3294 #ifdef __APPLE__
3295         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3296 #elif defined PLATFORM_WINDOWS
3297         open_uri("http://webchat.freenode.net/?channels=ardour-windows");
3298 #else
3299         open_uri("http://webchat.freenode.net/?channels=ardour");
3300 #endif
3301 }
3302
3303 void
3304 ARDOUR_UI::launch_manual ()
3305 {
3306         PBD::open_uri (Config->get_tutorial_manual_url());
3307 }
3308
3309 void
3310 ARDOUR_UI::launch_reference ()
3311 {
3312         PBD::open_uri (Config->get_reference_manual_url());
3313 }
3314
3315 void
3316 ARDOUR_UI::launch_tracker ()
3317 {
3318         PBD::open_uri ("http://tracker.ardour.org/bug_report_page.php");
3319 }
3320
3321 void
3322 ARDOUR_UI::launch_subscribe ()
3323 {
3324         PBD::open_uri ("https://community.ardour.org/s/subscribe");
3325 }
3326
3327 void
3328 ARDOUR_UI::launch_cheat_sheet ()
3329 {
3330 #ifdef __APPLE__
3331         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheat_sheet_osx.pdf");
3332 #else
3333         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheatsheet.pdf");
3334 #endif
3335 }
3336
3337 void
3338 ARDOUR_UI::launch_website ()
3339 {
3340         PBD::open_uri ("http://ardour.org");
3341 }
3342
3343 void
3344 ARDOUR_UI::launch_website_dev ()
3345 {
3346         PBD::open_uri ("http://ardour.org/development.html");
3347 }
3348
3349 void
3350 ARDOUR_UI::launch_forums ()
3351 {
3352         PBD::open_uri ("https://community.ardour.org/forums");
3353 }
3354
3355 void
3356 ARDOUR_UI::launch_howto_report ()
3357 {
3358         PBD::open_uri ("http://ardour.org/reporting_bugs");
3359 }
3360
3361 void
3362 ARDOUR_UI::loading_message (const std::string& msg)
3363 {
3364         if (ARDOUR_COMMAND_LINE::no_splash) {
3365                 return;
3366         }
3367
3368         if (!splash) {
3369                 show_splash ();
3370         }
3371
3372         splash->message (msg);
3373 }
3374
3375 void
3376 ARDOUR_UI::show_splash ()
3377 {
3378         if (splash == 0) {
3379                 try {
3380                         splash = new Splash;
3381                 } catch (...) {
3382                         return;
3383                 }
3384         }
3385
3386         splash->display ();
3387 }
3388
3389 void
3390 ARDOUR_UI::hide_splash ()
3391 {
3392         delete splash;
3393         splash = 0;
3394 }
3395
3396 void
3397 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3398 {
3399         size_t removed;
3400
3401         removed = rep.paths.size();
3402
3403         if (removed == 0) {
3404                 MessageDialog msgd (*editor,
3405                                     _("No files were ready for clean-up"),
3406                                     true,
3407                                     Gtk::MESSAGE_INFO,
3408                                     Gtk::BUTTONS_OK);
3409                 msgd.set_title (_("Clean-up"));
3410                 msgd.set_secondary_text (_("If this seems suprising, \n\
3411 check for any existing snapshots.\n\
3412 These may still include regions that\n\
3413 require some unused files to continue to exist."));
3414
3415                 msgd.run ();
3416                 return;
3417         }
3418
3419         ArdourDialog results (_("Clean-up"), true, false);
3420
3421         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3422             CleanupResultsModelColumns() {
3423                     add (visible_name);
3424                     add (fullpath);
3425             }
3426             Gtk::TreeModelColumn<std::string> visible_name;
3427             Gtk::TreeModelColumn<std::string> fullpath;
3428         };
3429
3430
3431         CleanupResultsModelColumns results_columns;
3432         Glib::RefPtr<Gtk::ListStore> results_model;
3433         Gtk::TreeView results_display;
3434
3435         results_model = ListStore::create (results_columns);
3436         results_display.set_model (results_model);
3437         results_display.append_column (list_title, results_columns.visible_name);
3438
3439         results_display.set_name ("CleanupResultsList");
3440         results_display.set_headers_visible (true);
3441         results_display.set_headers_clickable (false);
3442         results_display.set_reorderable (false);
3443
3444         Gtk::ScrolledWindow list_scroller;
3445         Gtk::Label txt;
3446         Gtk::VBox dvbox;
3447         Gtk::HBox dhbox;  // the hbox for the image and text
3448         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3449         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3450
3451         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3452
3453         const string dead_directory = _session->session_directory().dead_path();
3454
3455         /* subst:
3456            %1 - number of files removed
3457            %2 - location of "dead"
3458            %3 - size of files affected
3459            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3460         */
3461
3462         const char* bprefix;
3463         double space_adjusted = 0;
3464
3465         if (rep.space < 1000) {
3466                 bprefix = X_("");
3467                 space_adjusted = rep.space;
3468         } else if (rep.space < 1000000) {
3469                 bprefix = _("kilo");
3470                 space_adjusted = floorf((float)rep.space / 1000.0);
3471         } else if (rep.space < 1000000 * 1000) {
3472                 bprefix = _("mega");
3473                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3474         } else {
3475                 bprefix = _("giga");
3476                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3477         }
3478
3479         if (msg_delete) {
3480                 txt.set_markup (string_compose (P_("\
3481 The following file was deleted from %2,\n\
3482 releasing %3 %4bytes of disk space", "\
3483 The following %1 files were deleted from %2,\n\
3484 releasing %3 %4bytes of disk space", removed),
3485                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3486         } else {
3487                 txt.set_markup (string_compose (P_("\
3488 The following file was not in use and \n\
3489 has been moved to: %2\n\n\
3490 After a restart of %5\n\n\
3491 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3492 will release an additional %3 %4bytes of disk space.\n", "\
3493 The following %1 files were not in use and \n\
3494 have been moved to: %2\n\n\
3495 After a restart of %5\n\n\
3496 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3497 will release an additional %3 %4bytes of disk space.\n", removed),
3498                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3499         }
3500
3501         dhbox.pack_start (*dimage, true, false, 5);
3502         dhbox.pack_start (txt, true, false, 5);
3503
3504         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3505                 TreeModel::Row row = *(results_model->append());
3506                 row[results_columns.visible_name] = *i;
3507                 row[results_columns.fullpath] = *i;
3508         }
3509
3510         list_scroller.add (results_display);
3511         list_scroller.set_size_request (-1, 150);
3512         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3513
3514         dvbox.pack_start (dhbox, true, false, 5);
3515         dvbox.pack_start (list_scroller, true, false, 5);
3516         ddhbox.pack_start (dvbox, true, false, 5);
3517
3518         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3519         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3520         results.set_default_response (RESPONSE_CLOSE);
3521         results.set_position (Gtk::WIN_POS_MOUSE);
3522
3523         results_display.show();
3524         list_scroller.show();
3525         txt.show();
3526         dvbox.show();
3527         dhbox.show();
3528         ddhbox.show();
3529         dimage->show();
3530
3531         //results.get_vbox()->show();
3532         results.set_resizable (false);
3533
3534         results.run ();
3535
3536 }
3537
3538 void
3539 ARDOUR_UI::cleanup ()
3540 {
3541         if (_session == 0) {
3542                 /* shouldn't happen: menu item is insensitive */
3543                 return;
3544         }
3545
3546
3547         MessageDialog checker (_("Are you sure you want to clean-up?"),
3548                                 true,
3549                                 Gtk::MESSAGE_QUESTION,
3550                                 Gtk::BUTTONS_NONE);
3551
3552         checker.set_title (_("Clean-up"));
3553
3554         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3555 ALL undo/redo information will be lost if you clean-up.\n\
3556 Clean-up will move all unused files to a \"dead\" location."));
3557
3558         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3559         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3560         checker.set_default_response (RESPONSE_CANCEL);
3561
3562         checker.set_name (_("CleanupDialog"));
3563         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3564         checker.set_position (Gtk::WIN_POS_MOUSE);
3565
3566         switch (checker.run()) {
3567         case RESPONSE_ACCEPT:
3568                 break;
3569         default:
3570                 return;
3571         }
3572
3573         ARDOUR::CleanupReport rep;
3574
3575         editor->prepare_for_cleanup ();
3576
3577         /* do not allow flush until a session is reloaded */
3578
3579         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3580         if (act) {
3581                 act->set_sensitive (false);
3582         }
3583
3584         if (_session->cleanup_sources (rep)) {
3585                 editor->finish_cleanup ();
3586                 return;
3587         }
3588
3589         editor->finish_cleanup ();
3590
3591         checker.hide();
3592         display_cleanup_results (rep, _("Cleaned Files"), false);
3593 }
3594
3595 void
3596 ARDOUR_UI::flush_trash ()
3597 {
3598         if (_session == 0) {
3599                 /* shouldn't happen: menu item is insensitive */
3600                 return;
3601         }
3602
3603         ARDOUR::CleanupReport rep;
3604
3605         if (_session->cleanup_trash_sources (rep)) {
3606                 return;
3607         }
3608
3609         display_cleanup_results (rep, _("deleted file"), true);
3610 }
3611
3612 void
3613 ARDOUR_UI::cleanup_peakfiles ()
3614 {
3615         if (_session == 0) {
3616                 /* shouldn't happen: menu item is insensitive */
3617                 return;
3618         }
3619
3620         if (! _session->can_cleanup_peakfiles ()) {
3621                 return;
3622         }
3623
3624         // get all region-views in this session
3625         RegionSelection rs;
3626         TrackViewList empty;
3627         empty.clear();
3628         editor->get_regions_after(rs, (framepos_t) 0, empty);
3629         std::list<RegionView*> views = rs.by_layer();
3630
3631         // remove displayed audio-region-views waveforms
3632         for (list<RegionView*>::iterator i = views.begin(); i != views.end(); ++i) {
3633                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*i);
3634                 if (!arv) { continue ; }
3635                 arv->delete_waves();
3636         }
3637
3638         // cleanup peak files:
3639         // - stop pending peakfile threads
3640         // - close peakfiles if any
3641         // - remove peak dir in session
3642         // - setup peakfiles (background thread)
3643         _session->cleanup_peakfiles ();
3644
3645         // re-add waves to ARV
3646         for (list<RegionView*>::iterator i = views.begin(); i != views.end(); ++i) {
3647                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*i);
3648                 if (!arv) { continue ; }
3649                 arv->create_waves();
3650         }
3651 }
3652
3653 void
3654 ARDOUR_UI::setup_order_hint (AddRouteDialog::InsertAt place)
3655 {
3656         uint32_t order_hint = UINT32_MAX;
3657
3658         if (editor->get_selection().tracks.empty()) {
3659                 return;
3660         }
3661
3662         /*
3663           we want the new routes to have their order keys set starting from
3664           the highest order key in the selection + 1 (if available).
3665         */
3666
3667         if (place == AddRouteDialog::AfterSelection) {
3668                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.back());
3669                 if (rtav) {
3670                         order_hint = rtav->route()->order_key();
3671                         order_hint++;
3672                 }
3673         } else if (place == AddRouteDialog::BeforeSelection) {
3674                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.front());
3675                 if (rtav) {
3676                         order_hint = rtav->route()->order_key();
3677                 }
3678         } else if (place == AddRouteDialog::First) {
3679                 order_hint = 0;
3680         } else {
3681                 /* leave order_hint at UINT32_MAX */
3682         }
3683
3684         if (order_hint == UINT32_MAX) {
3685                 /** AddRouteDialog::Last or selection with first/last not a RouteTimeAxisView
3686                  * not setting an order hint will place new routes last.
3687                  */
3688                 return;
3689         }
3690
3691         _session->set_order_hint (order_hint);
3692
3693         /* create a gap in the existing route order keys to accomodate new routes.*/
3694         boost::shared_ptr <RouteList> rd = _session->get_routes();
3695         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3696                 boost::shared_ptr<Route> rt (*ri);
3697
3698                 if (rt->is_monitor()) {
3699                         continue;
3700                 }
3701
3702                 if (rt->order_key () >= order_hint) {
3703                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3704                 }
3705         }
3706 }
3707
3708 void
3709 ARDOUR_UI::add_route (Gtk::Window* /* ignored */)
3710 {
3711         int count;
3712
3713         if (!_session) {
3714                 return;
3715         }
3716
3717         if (add_route_dialog->is_visible()) {
3718                 /* we're already doing this */
3719                 return;
3720         }
3721
3722         ResponseType r = (ResponseType) add_route_dialog->run ();
3723
3724         add_route_dialog->hide();
3725
3726         switch (r) {
3727                 case RESPONSE_ACCEPT:
3728                         break;
3729                 default:
3730                         return;
3731                         break;
3732         }
3733
3734         if ((count = add_route_dialog->count()) <= 0) {
3735                 return;
3736         }
3737
3738         setup_order_hint(add_route_dialog->insert_at());
3739
3740         string template_path = add_route_dialog->track_template();
3741         DisplaySuspender ds;
3742
3743         if (!template_path.empty()) {
3744                 if (add_route_dialog->name_template_is_default())  {
3745                         _session->new_route_from_template (count, template_path, string());
3746                 } else {
3747                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3748                 }
3749                 return;
3750         }
3751
3752         ChanCount input_chan= add_route_dialog->channels ();
3753         ChanCount output_chan;
3754         string name_template = add_route_dialog->name_template ();
3755         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3756         RouteGroup* route_group = add_route_dialog->route_group ();
3757         AutoConnectOption oac = Config->get_output_auto_connect();
3758
3759         if (oac & AutoConnectMaster) {
3760                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3761                 output_chan.set (DataType::MIDI, 0);
3762         } else {
3763                 output_chan = input_chan;
3764         }
3765
3766         /* XXX do something with name template */
3767
3768         switch (add_route_dialog->type_wanted()) {
3769         case AddRouteDialog::AudioTrack:
3770                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3771                 break;
3772         case AddRouteDialog::MidiTrack:
3773                 session_add_midi_track (route_group, count, name_template, instrument);
3774                 break;
3775         case AddRouteDialog::MixedTrack:
3776                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3777                 break;
3778         case AddRouteDialog::AudioBus:
3779                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3780                 break;
3781         }
3782 }
3783
3784 void
3785 ARDOUR_UI::stop_video_server (bool ask_confirm)
3786 {
3787         if (!video_server_process && ask_confirm) {
3788                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3789         }
3790         if (video_server_process) {
3791                 if(ask_confirm) {
3792                         ArdourDialog confirm (_("Stop Video-Server"), true);
3793                         Label m (_("Do you really want to stop the Video Server?"));
3794                         confirm.get_vbox()->pack_start (m, true, true);
3795                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3796                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3797                         confirm.show_all ();
3798                         if (confirm.run() == RESPONSE_CANCEL) {
3799                                 return;
3800                         }
3801                 }
3802                 delete video_server_process;
3803                 video_server_process =0;
3804         }
3805 }
3806
3807 void
3808 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3809 {
3810   ARDOUR_UI::start_video_server( float_window, true);
3811 }
3812
3813 bool
3814 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3815 {
3816         if (!_session) {
3817                 return false;
3818         }
3819         if (popup_msg) {
3820                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3821                         if (video_server_process) {
3822                                 popup_error(_("The Video Server is already started."));
3823                         } else {
3824                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3825                         }
3826                 }
3827         }
3828
3829         int firsttime = 0;
3830         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3831                 if (firsttime++) {
3832                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3833                 }
3834                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3835                 if (float_window) {
3836                         video_server_dialog->set_transient_for (*float_window);
3837                 }
3838
3839                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3840                         video_server_dialog->hide();
3841                 } else {
3842                         ResponseType r = (ResponseType) video_server_dialog->run ();
3843                         video_server_dialog->hide();
3844                         if (r != RESPONSE_ACCEPT) { return false; }
3845                         if (video_server_dialog->show_again()) {
3846                                 Config->set_show_video_server_dialog(false);
3847                         }
3848                 }
3849
3850                 std::string icsd_exec = video_server_dialog->get_exec_path();
3851                 std::string icsd_docroot = video_server_dialog->get_docroot();
3852                 if (icsd_docroot.empty()) {
3853 #ifndef PLATFORM_WINDOWS
3854                         icsd_docroot = X_("/");
3855 #else
3856                         icsd_docroot = X_("C:\\");
3857 #endif
3858                 }
3859
3860                 GStatBuf sb;
3861                 if (g_lstat (icsd_docroot.c_str(), &sb) != 0 || !S_ISDIR(sb.st_mode)) {
3862                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3863                         continue;
3864                 }
3865 #ifndef PLATFORM_WINDOWS
3866                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3867                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3868                         warning << _("Given Video Server is not an executable file.") << endmsg;
3869                         continue;
3870                 }
3871 #else
3872                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3873                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3874                         warning << _("Given Video Server is not an executable file.") << endmsg;
3875                         continue;
3876                 }
3877 #endif
3878
3879                 char **argp;
3880                 argp=(char**) calloc(9,sizeof(char*));
3881                 argp[0] = strdup(icsd_exec.c_str());
3882                 argp[1] = strdup("-P");
3883                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3884                 argp[3] = strdup("-p");
3885                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3886                 argp[5] = strdup("-C");
3887                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3888                 argp[7] = strdup(icsd_docroot.c_str());
3889                 argp[8] = 0;
3890                 stop_video_server();
3891
3892                 if (icsd_docroot == X_("/") || icsd_docroot == X_("C:\\")) {
3893                         Config->set_video_advanced_setup(false);
3894                 } else {
3895                         std::ostringstream osstream;
3896                         osstream << "http://127.0.0.1:" << video_server_dialog->get_listenport() << "/";
3897                         Config->set_video_server_url(osstream.str());
3898                         Config->set_video_server_docroot(icsd_docroot);
3899                         Config->set_video_advanced_setup(true);
3900                 }
3901
3902                 if (video_server_process) {
3903                         delete video_server_process;
3904                 }
3905
3906                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3907                 if (video_server_process->start()) {
3908                         warning << _("Cannot launch the video-server") << endmsg;
3909                         continue;
3910                 }
3911                 int timeout = 120; // 6 sec
3912                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3913                         Glib::usleep (50000);
3914                         gui_idle_handler();
3915                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3916                 }
3917                 if (timeout <= 0) {
3918                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3919                 } else {
3920                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3921                                 delete video_server_process;
3922                                 video_server_process = 0;
3923                         }
3924                 }
3925         }
3926         return true;
3927 }
3928
3929 void
3930 ARDOUR_UI::add_video (Gtk::Window* float_window)
3931 {
3932         if (!_session) {
3933                 return;
3934         }
3935
3936         if (!start_video_server(float_window, false)) {
3937                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3938                 return;
3939         }
3940
3941         if (float_window) {
3942                 add_video_dialog->set_transient_for (*float_window);
3943         }
3944
3945         if (add_video_dialog->is_visible()) {
3946                 /* we're already doing this */
3947                 return;
3948         }
3949
3950         ResponseType r = (ResponseType) add_video_dialog->run ();
3951         add_video_dialog->hide();
3952         if (r != RESPONSE_ACCEPT) { return; }
3953
3954         bool local_file, orig_local_file;
3955         std::string path = add_video_dialog->file_name(local_file);
3956
3957         std::string orig_path = path;
3958         orig_local_file = local_file;
3959
3960         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3961
3962         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3963                 warning << string_compose(_("could not open %1"), path) << endmsg;
3964                 return;
3965         }
3966         if (!local_file && path.length() == 0) {
3967                 warning << _("no video-file selected") << endmsg;
3968                 return;
3969         }
3970
3971         std::string audio_from_video;
3972         bool detect_ltc = false;
3973
3974         switch (add_video_dialog->import_option()) {
3975                 case VTL_IMPORT_TRANSCODE:
3976                         {
3977                                 TranscodeVideoDialog *transcode_video_dialog;
3978                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3979                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3980                                 transcode_video_dialog->hide();
3981                                 if (r != RESPONSE_ACCEPT) {
3982                                         delete transcode_video_dialog;
3983                                         return;
3984                                 }
3985
3986                                 audio_from_video = transcode_video_dialog->get_audiofile();
3987
3988                                 if (!audio_from_video.empty() && transcode_video_dialog->detect_ltc()) {
3989                                         detect_ltc = true;
3990                                 }
3991                                 else if (!audio_from_video.empty()) {
3992                                         editor->embed_audio_from_video(
3993                                                         audio_from_video,
3994                                                         video_timeline->get_offset(),
3995                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3996                                                         );
3997                                 }
3998                                 switch (transcode_video_dialog->import_option()) {
3999                                         case VTL_IMPORT_TRANSCODED:
4000                                                 path = transcode_video_dialog->get_filename();
4001                                                 local_file = true;
4002                                                 break;
4003                                         case VTL_IMPORT_REFERENCE:
4004                                                 break;
4005                                         default:
4006                                                 delete transcode_video_dialog;
4007                                                 return;
4008                                 }
4009                                 delete transcode_video_dialog;
4010                         }
4011                         break;
4012                 default:
4013                 case VTL_IMPORT_NONE:
4014                         break;
4015         }
4016
4017         /* strip _session->session_directory().video_path() from video file if possible */
4018         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
4019                  path=path.substr(_session->session_directory().video_path().size());
4020                  if (path.at(0) == G_DIR_SEPARATOR) {
4021                          path=path.substr(1);
4022                  }
4023         }
4024
4025         video_timeline->set_update_session_fps(auto_set_session_fps);
4026
4027         if (video_timeline->video_file_info(path, local_file)) {
4028                 XMLNode* node = new XMLNode(X_("Videotimeline"));
4029                 node->add_property (X_("Filename"), path);
4030                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
4031                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
4032                 if (orig_local_file) {
4033                         node->add_property (X_("OriginalVideoFile"), orig_path);
4034                 } else {
4035                         node->remove_property (X_("OriginalVideoFile"));
4036                 }
4037                 _session->add_extra_xml (*node);
4038                 _session->set_dirty ();
4039
4040                 if (!audio_from_video.empty() && detect_ltc) {
4041                         std::vector<LTCFileReader::LTCMap> ltc_seq;
4042
4043                         try {
4044                                 /* TODO ask user about TV standard (LTC alignment if any) */
4045                                 LTCFileReader ltcr (audio_from_video, video_timeline->get_video_file_fps());
4046                                 /* TODO ASK user which channel:  0 .. ltcr->channels() - 1 */
4047
4048                                 ltc_seq = ltcr.read_ltc (/*channel*/ 0, /*max LTC frames to decode*/ 15);
4049
4050                                 /* TODO seek near end of file, and read LTC until end.
4051                                  * if it fails to find any LTC frames, scan complete file
4052                                  *
4053                                  * calculate drift of LTC compared to video-duration,
4054                                  * ask user for reference (timecode from start/mid/end)
4055                                  */
4056                         } catch (...) {
4057                                 // LTCFileReader will have written error messages
4058                         }
4059
4060                         ::g_unlink(audio_from_video.c_str());
4061
4062                         if (ltc_seq.size() == 0) {
4063                                 PBD::error << _("No LTC detected, video will not be aligned.") << endmsg;
4064                         } else {
4065                                 /* the very first TC in the file is somteimes not aligned properly */
4066                                 int i = ltc_seq.size() -1;
4067                                 ARDOUR::frameoffset_t video_start_offset =
4068                                         _session->nominal_frame_rate() * (ltc_seq[i].timecode_sec - ltc_seq[i].framepos_sec);
4069                                 PBD::info << string_compose (_("Align video-start to %1 [samples]"), video_start_offset) << endmsg;
4070                                 video_timeline->set_offset(video_start_offset);
4071                         }
4072                 }
4073
4074                 _session->maybe_update_session_range(
4075                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
4076                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
4077
4078
4079                 if (add_video_dialog->launch_xjadeo() && local_file) {
4080                         editor->set_xjadeo_sensitive(true);
4081                         editor->toggle_xjadeo_proc(1);
4082                 } else {
4083                         editor->toggle_xjadeo_proc(0);
4084                 }
4085                 editor->toggle_ruler_video(true);
4086         }
4087 }
4088
4089 void
4090 ARDOUR_UI::remove_video ()
4091 {
4092         video_timeline->close_session();
4093         editor->toggle_ruler_video(false);
4094
4095         /* reset state */
4096         video_timeline->set_offset_locked(false);
4097         video_timeline->set_offset(0);
4098
4099         /* delete session state */
4100         XMLNode* node = new XMLNode(X_("Videotimeline"));
4101         _session->add_extra_xml(*node);
4102         node = new XMLNode(X_("Videomonitor"));
4103         _session->add_extra_xml(*node);
4104         node = new XMLNode(X_("Videoexport"));
4105         _session->add_extra_xml(*node);
4106         stop_video_server();
4107 }
4108
4109 void
4110 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
4111 {
4112         if (localcacheonly) {
4113                 video_timeline->vmon_update();
4114         } else {
4115                 video_timeline->flush_cache();
4116         }
4117         editor->queue_visual_videotimeline_update();
4118 }
4119
4120 void
4121 ARDOUR_UI::export_video (bool range)
4122 {
4123         if (ARDOUR::Config->get_show_video_export_info()) {
4124                 ExportVideoInfobox infobox (_session);
4125                 Gtk::ResponseType rv = (Gtk::ResponseType) infobox.run();
4126                 if (infobox.show_again()) {
4127                         ARDOUR::Config->set_show_video_export_info(false);
4128                 }
4129                 switch (rv) {
4130                         case GTK_RESPONSE_YES:
4131                                 PBD::open_uri (ARDOUR::Config->get_reference_manual_url() + "/video-timeline/operations/#export");
4132                                 break;
4133                         default:
4134                                 break;
4135                 }
4136         }
4137         export_video_dialog->set_session (_session);
4138         export_video_dialog->apply_state(editor->get_selection().time, range);
4139         export_video_dialog->run ();
4140         export_video_dialog->hide ();
4141 }
4142
4143 XMLNode*
4144 ARDOUR_UI::mixer_settings () const
4145 {
4146         XMLNode* node = 0;
4147
4148         if (_session) {
4149                 node = _session->instant_xml(X_("Mixer"));
4150         } else {
4151                 node = Config->instant_xml(X_("Mixer"));
4152         }
4153
4154         if (!node) {
4155                 node = new XMLNode (X_("Mixer"));
4156         }
4157
4158         return node;
4159 }
4160
4161 XMLNode*
4162 ARDOUR_UI::editor_settings () const
4163 {
4164         XMLNode* node = 0;
4165
4166         if (_session) {
4167                 node = _session->instant_xml(X_("Editor"));
4168         } else {
4169                 node = Config->instant_xml(X_("Editor"));
4170         }
4171
4172         if (!node) {
4173                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
4174                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
4175                 }
4176         }
4177
4178         if (!node) {
4179                 node = new XMLNode (X_("Editor"));
4180         }
4181
4182         return node;
4183 }
4184
4185 XMLNode*
4186 ARDOUR_UI::keyboard_settings () const
4187 {
4188         XMLNode* node = 0;
4189
4190         node = Config->extra_xml(X_("Keyboard"));
4191
4192         if (!node) {
4193                 node = new XMLNode (X_("Keyboard"));
4194         }
4195
4196         return node;
4197 }
4198
4199 void
4200 ARDOUR_UI::create_xrun_marker (framepos_t where)
4201 {
4202         if (_session) {
4203                 Location *location = new Location (*_session, where, where, _("xrun"), Location::IsMark);
4204                 _session->locations()->add (location);
4205         }
4206 }
4207
4208 void
4209 ARDOUR_UI::halt_on_xrun_message ()
4210 {
4211         cerr << "HALT on xrun\n";
4212         MessageDialog msg (*editor, _("Recording was stopped because your system could not keep up."));
4213         msg.run ();
4214 }
4215
4216 void
4217 ARDOUR_UI::xrun_handler (framepos_t where)
4218 {
4219         if (!_session) {
4220                 return;
4221         }
4222
4223         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
4224
4225         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
4226                 create_xrun_marker(where);
4227         }
4228
4229         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
4230                 halt_on_xrun_message ();
4231         }
4232 }
4233
4234 void
4235 ARDOUR_UI::disk_overrun_handler ()
4236 {
4237         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
4238
4239         if (!have_disk_speed_dialog_displayed) {
4240                 have_disk_speed_dialog_displayed = true;
4241                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
4242 The disk system on your computer\n\
4243 was not able to keep up with %1.\n\
4244 \n\
4245 Specifically, it failed to write data to disk\n\
4246 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
4247                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4248                 msg->show ();
4249         }
4250 }
4251
4252
4253 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
4254 static MessageDialog *scan_dlg = NULL;
4255 static ProgressBar   *scan_pbar = NULL;
4256 static HBox          *scan_tbox = NULL;
4257 static Gtk::Button   *scan_timeout_button;
4258
4259 void
4260 ARDOUR_UI::cancel_plugin_scan ()
4261 {
4262         PluginManager::instance().cancel_plugin_scan();
4263 }
4264
4265 void
4266 ARDOUR_UI::cancel_plugin_timeout ()
4267 {
4268         PluginManager::instance().cancel_plugin_timeout();
4269         scan_timeout_button->set_sensitive (false);
4270 }
4271
4272 void
4273 ARDOUR_UI::plugin_scan_timeout (int timeout)
4274 {
4275         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
4276                 return;
4277         }
4278         if (timeout > 0) {
4279                 scan_pbar->set_sensitive (false);
4280                 scan_timeout_button->set_sensitive (true);
4281                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
4282                 scan_tbox->show();
4283         } else {
4284                 scan_pbar->set_sensitive (false);
4285                 scan_timeout_button->set_sensitive (false);
4286         }
4287         gui_idle_handler();
4288 }
4289
4290 void
4291 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
4292 {
4293         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
4294                 return;
4295         }
4296
4297         const bool cancelled = PluginManager::instance().cancelled();
4298         if (type != X_("closeme") && (!UIConfiguration::instance().get_show_plugin_scan_window()) && !_initial_verbose_plugin_scan) {
4299                 if (cancelled && scan_dlg->is_mapped()) {
4300                         scan_dlg->hide();
4301                         gui_idle_handler();
4302                         return;
4303                 }
4304                 if (cancelled || !can_cancel) {
4305                         return;
4306                 }
4307         }
4308
4309         static Gtk::Button *cancel_button;
4310         if (!scan_dlg) {
4311                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
4312                 VBox* vbox = scan_dlg->get_vbox();
4313                 vbox->set_size_request(400,-1);
4314                 scan_dlg->set_title (_("Scanning for plugins"));
4315
4316                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
4317                 cancel_button->set_name ("EditorGTKButton");
4318                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
4319                 cancel_button->show();
4320
4321                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
4322
4323                 scan_tbox = manage( new HBox() );
4324
4325                 scan_timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
4326                 scan_timeout_button->set_name ("EditorGTKButton");
4327                 scan_timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
4328                 scan_timeout_button->show();
4329
4330                 scan_pbar = manage(new ProgressBar());
4331                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
4332                 scan_pbar->set_text(_("Scan Timeout"));
4333                 scan_pbar->show();
4334
4335                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
4336                 scan_tbox->pack_start (*scan_timeout_button, PACK_SHRINK, 4);
4337
4338                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
4339         }
4340
4341         assert(scan_dlg && scan_tbox && cancel_button);
4342
4343         if (type == X_("closeme")) {
4344                 scan_tbox->hide();
4345                 scan_dlg->hide();
4346         } else {
4347                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
4348                 scan_dlg->show();
4349         }
4350         if (!can_cancel || !cancelled) {
4351                 scan_timeout_button->set_sensitive(false);
4352         }
4353         cancel_button->set_sensitive(can_cancel && !cancelled);
4354
4355         gui_idle_handler();
4356 }
4357
4358 void
4359 ARDOUR_UI::gui_idle_handler ()
4360 {
4361         int timeout = 30;
4362         /* due to idle calls, gtk_events_pending() may always return true */
4363         while (gtk_events_pending() && --timeout) {
4364                 gtk_main_iteration ();
4365         }
4366 }
4367
4368 void
4369 ARDOUR_UI::disk_underrun_handler ()
4370 {
4371         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
4372
4373         if (!have_disk_speed_dialog_displayed) {
4374                 have_disk_speed_dialog_displayed = true;
4375                 MessageDialog* msg = new MessageDialog (
4376                         *editor, string_compose (_("The disk system on your computer\n\
4377 was not able to keep up with %1.\n\
4378 \n\
4379 Specifically, it failed to read data from disk\n\
4380 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
4381                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4382                 msg->show ();
4383         }
4384 }
4385
4386 void
4387 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
4388 {
4389         have_disk_speed_dialog_displayed = false;
4390         delete msg;
4391 }
4392
4393 void
4394 ARDOUR_UI::session_dialog (std::string msg)
4395 {
4396         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4397
4398         MessageDialog* d;
4399
4400         if (editor) {
4401                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4402         } else {
4403                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4404         }
4405
4406         d->show_all ();
4407         d->run ();
4408         delete d;
4409 }
4410
4411 int
4412 ARDOUR_UI::pending_state_dialog ()
4413 {
4414         HBox* hbox = manage (new HBox());
4415         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4416         ArdourDialog dialog (_("Crash Recovery"), true);
4417         Label  message (string_compose (_("\
4418 This session appears to have been in the\n\
4419 middle of recording when %1 or\n\
4420 the computer was shutdown.\n\
4421 \n\
4422 %1 can recover any captured audio for\n\
4423 you, or it can ignore it. Please decide\n\
4424 what you would like to do.\n"), PROGRAM_NAME));
4425         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4426         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4427         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4428         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4429         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4430         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4431         dialog.set_default_response (RESPONSE_ACCEPT);
4432         dialog.set_position (WIN_POS_CENTER);
4433         message.show();
4434         image->show();
4435         hbox->show();
4436
4437         switch (dialog.run ()) {
4438         case RESPONSE_ACCEPT:
4439                 return 1;
4440         default:
4441                 return 0;
4442         }
4443 }
4444
4445 int
4446 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4447 {
4448         HBox* hbox = new HBox();
4449         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4450         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4451         Label  message (string_compose (_("\
4452 This session was created with a sample rate of %1 Hz, but\n\
4453 %2 is currently running at %3 Hz.  If you load this session,\n\
4454 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4455
4456         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4457         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4458         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4459         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4460         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4461         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4462         dialog.set_default_response (RESPONSE_ACCEPT);
4463         dialog.set_position (WIN_POS_CENTER);
4464         message.show();
4465         image->show();
4466         hbox->show();
4467
4468         switch (dialog.run()) {
4469         case RESPONSE_ACCEPT:
4470                 return 0;
4471         default:
4472                 break;
4473         }
4474
4475         return 1;
4476 }
4477
4478 int
4479 ARDOUR_UI::disconnect_from_engine ()
4480 {
4481         /* drop connection to AudioEngine::Halted so that we don't act
4482          *  as if the engine unexpectedly shut down
4483          */
4484
4485         halt_connection.disconnect ();
4486
4487         if (AudioEngine::instance()->stop ()) {
4488                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4489                 msg.run ();
4490                 return -1;
4491         } else {
4492                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4493         }
4494
4495         update_sample_rate (0);
4496         return 0;
4497 }
4498
4499 int
4500 ARDOUR_UI::reconnect_to_engine ()
4501 {
4502         if (AudioEngine::instance()->start ()) {
4503                 // TODO somehow make this the topmost window (above any dialogs currently visible)
4504                 MessageDialog msg(*audio_midi_setup.get(), AudioEngine::instance()->get_last_backend_error());
4505                 msg.run();
4506                 return -1;
4507         }
4508
4509         update_sample_rate (0);
4510         return 0;
4511 }
4512
4513 void
4514 ARDOUR_UI::use_config ()
4515 {
4516         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4517         if (node) {
4518                 set_transport_controllable_state (*node);
4519         }
4520 }
4521
4522 void
4523 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4524 {
4525         if (UIConfiguration::instance().get_primary_clock_delta_edit_cursor()) {
4526                 primary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4527         } else {
4528                 primary_clock->set (pos);
4529         }
4530
4531         if (UIConfiguration::instance().get_secondary_clock_delta_edit_cursor()) {
4532                 secondary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4533         } else {
4534                 secondary_clock->set (pos);
4535         }
4536
4537         if (big_clock_window) {
4538                 big_clock->set (pos);
4539         }
4540         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4541 }
4542
4543 void
4544 ARDOUR_UI::step_edit_status_change (bool yn)
4545 {
4546         // XXX should really store pre-step edit status of things
4547         // we make insensitive
4548
4549         if (yn) {
4550                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4551                 rec_button.set_sensitive (false);
4552         } else {
4553                 rec_button.unset_active_state ();;
4554                 rec_button.set_sensitive (true);
4555         }
4556 }
4557
4558 void
4559 ARDOUR_UI::record_state_changed ()
4560 {
4561         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4562
4563         if (!_session || !big_clock_window) {
4564                 /* why bother - the clock isn't visible */
4565                 return;
4566         }
4567
4568         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4569                 big_clock->set_active (true);
4570         } else {
4571                 big_clock->set_active (false);
4572         }
4573 }
4574
4575 bool
4576 ARDOUR_UI::first_idle ()
4577 {
4578         if (_session) {
4579                 _session->allow_auto_play (true);
4580         }
4581
4582         if (editor) {
4583                 editor->first_idle();
4584         }
4585
4586         Keyboard::set_can_save_keybindings (true);
4587         return false;
4588 }
4589
4590 void
4591 ARDOUR_UI::store_clock_modes ()
4592 {
4593         XMLNode* node = new XMLNode(X_("ClockModes"));
4594
4595         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4596                 XMLNode* child = new XMLNode (X_("Clock"));
4597
4598                 child->add_property (X_("name"), (*x)->name());
4599                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4600                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4601
4602                 node->add_child_nocopy (*child);
4603         }
4604
4605         _session->add_extra_xml (*node);
4606         _session->set_dirty ();
4607 }
4608
4609 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4610         : Controllable (name), ui (u), type(tp)
4611 {
4612
4613 }
4614
4615 void
4616 ARDOUR_UI::TransportControllable::set_value (double val)
4617 {
4618         if (val < 0.5) {
4619                 /* do nothing: these are radio-style actions */
4620                 return;
4621         }
4622
4623         const char *action = 0;
4624
4625         switch (type) {
4626         case Roll:
4627                 action = X_("Roll");
4628                 break;
4629         case Stop:
4630                 action = X_("Stop");
4631                 break;
4632         case GotoStart:
4633                 action = X_("GotoStart");
4634                 break;
4635         case GotoEnd:
4636                 action = X_("GotoEnd");
4637                 break;
4638         case AutoLoop:
4639                 action = X_("Loop");
4640                 break;
4641         case PlaySelection:
4642                 action = X_("PlaySelection");
4643                 break;
4644         case RecordEnable:
4645                 action = X_("Record");
4646                 break;
4647         default:
4648                 break;
4649         }
4650
4651         if (action == 0) {
4652                 return;
4653         }
4654
4655         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4656
4657         if (act) {
4658                 act->activate ();
4659         }
4660 }
4661
4662 double
4663 ARDOUR_UI::TransportControllable::get_value (void) const
4664 {
4665         float val = 0.0;
4666
4667         switch (type) {
4668         case Roll:
4669                 break;
4670         case Stop:
4671                 break;
4672         case GotoStart:
4673                 break;
4674         case GotoEnd:
4675                 break;
4676         case AutoLoop:
4677                 break;
4678         case PlaySelection:
4679                 break;
4680         case RecordEnable:
4681                 break;
4682         default:
4683                 break;
4684         }
4685
4686         return val;
4687 }
4688
4689 void
4690 ARDOUR_UI::setup_profile ()
4691 {
4692         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4693                 Profile->set_small_screen ();
4694         }
4695
4696         if (g_getenv ("ARDOUR_SAE")) {
4697                 Profile->set_sae ();
4698                 Profile->set_single_package ();
4699         }
4700
4701         if (g_getenv ("TRX")) {
4702                 Profile->set_trx ();
4703         }
4704
4705         if (g_getenv ("MIXBUS")) {
4706                 Profile->set_mixbus ();
4707         }
4708 }
4709
4710 int
4711 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4712 {
4713         MissingFileDialog dialog (s, str, type);
4714
4715         dialog.show ();
4716         dialog.present ();
4717
4718         int result = dialog.run ();
4719         dialog.hide ();
4720
4721         switch (result) {
4722         case RESPONSE_OK:
4723                 break;
4724         default:
4725                 return 1; // quit entire session load
4726         }
4727
4728         result = dialog.get_action ();
4729
4730         return result;
4731 }
4732
4733 int
4734 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4735 {
4736         AmbiguousFileDialog dialog (file, hits);
4737
4738         dialog.show ();
4739         dialog.present ();
4740
4741         dialog.run ();
4742         return dialog.get_which ();
4743 }
4744
4745 /** Allocate our thread-local buffers */
4746 void
4747 ARDOUR_UI::get_process_buffers ()
4748 {
4749         _process_thread->get_buffers ();
4750 }
4751
4752 /** Drop our thread-local buffers */
4753 void
4754 ARDOUR_UI::drop_process_buffers ()
4755 {
4756         _process_thread->drop_buffers ();
4757 }
4758
4759 void
4760 ARDOUR_UI::feedback_detected ()
4761 {
4762         _feedback_exists = true;
4763 }
4764
4765 void
4766 ARDOUR_UI::successful_graph_sort ()
4767 {
4768         _feedback_exists = false;
4769 }
4770
4771 void
4772 ARDOUR_UI::midi_panic ()
4773 {
4774         if (_session) {
4775                 _session->midi_panic();
4776         }
4777 }
4778
4779 void
4780 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4781 {
4782         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4783         const char* end_big = "</span>";
4784         const char* start_mono = "<tt>";
4785         const char* end_mono = "</tt>";
4786
4787         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4788                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4789                                              "From now on, use the -2000 version with older versions of %3"),
4790                                            xml_path, backup_path, PROGRAM_NAME,
4791                                            start_big, end_big,
4792                                            start_mono, end_mono), true);
4793
4794         msg.run ();
4795 }
4796
4797
4798 void
4799 ARDOUR_UI::reset_peak_display ()
4800 {
4801         if (!_session || !_session->master_out() || !editor_meter) return;
4802         editor_meter->clear_meters();
4803         editor_meter_max_peak = -INFINITY;
4804         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4805 }
4806
4807 void
4808 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4809 {
4810         if (!_session || !_session->master_out()) return;
4811         if (group == _session->master_out()->route_group()) {
4812                 reset_peak_display ();
4813         }
4814 }
4815
4816 void
4817 ARDOUR_UI::reset_route_peak_display (Route* route)
4818 {
4819         if (!_session || !_session->master_out()) return;
4820         if (_session->master_out().get() == route) {
4821                 reset_peak_display ();
4822         }
4823 }
4824
4825 int
4826 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4827 {
4828         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4829         audio_midi_setup->set_position (WIN_POS_CENTER);
4830
4831         switch (audio_midi_setup->run()) {
4832         case Gtk::RESPONSE_OK:
4833                 return 0;
4834         case Gtk::RESPONSE_APPLY:
4835                 return 0;
4836         default:
4837                 return -1;
4838         }
4839 }
4840
4841
4842 gint
4843 ARDOUR_UI::transport_numpad_timeout ()
4844 {
4845         _numpad_locate_happening = false;
4846         if (_numpad_timeout_connection.connected() )
4847                 _numpad_timeout_connection.disconnect();
4848         return 1;
4849 }
4850
4851 void
4852 ARDOUR_UI::transport_numpad_decimal ()
4853 {
4854         _numpad_timeout_connection.disconnect();
4855
4856         if (_numpad_locate_happening) {
4857                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4858                 _numpad_locate_happening = false;
4859         } else {
4860                 _pending_locate_num = 0;
4861                 _numpad_locate_happening = true;
4862                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4863         }
4864 }
4865
4866 void
4867 ARDOUR_UI::transport_numpad_event (int num)
4868 {
4869         if ( _numpad_locate_happening ) {
4870                 _pending_locate_num = _pending_locate_num*10 + num;
4871         } else {
4872                 switch (num) {
4873                         case 0:  toggle_roll(false, false);             break;
4874                         case 1:  transport_rewind(1);                           break;
4875                         case 2:  transport_forward(1);                          break;
4876                         case 3:  transport_record(true);                        break;
4877                         case 4:  toggle_session_auto_loop();            break;
4878                         case 5:  transport_record(false); toggle_session_auto_loop();   break;
4879                         case 6:  toggle_punch();                                        break;
4880                         case 7:  toggle_click();                                break;
4881                         case 8:  toggle_auto_return();                  break;
4882                         case 9:  toggle_follow_edits();         break;
4883                 }
4884         }
4885 }
4886
4887 void
4888 ARDOUR_UI::set_flat_buttons ()
4889 {
4890         CairoWidget::set_flat_buttons( UIConfiguration::instance().get_flat_buttons() );
4891 }
4892
4893 void
4894 ARDOUR_UI::audioengine_became_silent ()
4895 {
4896         MessageDialog msg (string_compose (_("This is a free/demo copy of %1. It has just switched to silent mode."), PROGRAM_NAME),
4897                            true,
4898                            Gtk::MESSAGE_WARNING,
4899                            Gtk::BUTTONS_NONE,
4900                            true);
4901
4902         msg.set_title (string_compose (_("%1 is now silent"), PROGRAM_NAME));
4903
4904         Gtk::Label pay_label (string_compose (_("Please consider paying for a copy of %1 - you can pay whatever you want."), PROGRAM_NAME));
4905         Gtk::Label subscribe_label (_("Better yet become a subscriber - subscriptions start at US$1 per month."));
4906         Gtk::Button pay_button (_("Pay for a copy (via the web)"));
4907         Gtk::Button subscribe_button (_("Become a subscriber (via the web)"));
4908         Gtk::HBox pay_button_box;
4909         Gtk::HBox subscribe_button_box;
4910
4911         pay_button_box.pack_start (pay_button, true, false);
4912         subscribe_button_box.pack_start (subscribe_button, true, false);
4913
4914         bool (*openuri)(const char*) = PBD::open_uri; /* this forces selection of the const char* variant of PBD::open_uri(), which we need to avoid ambiguity below */
4915
4916         pay_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://ardour.org/download")));
4917         subscribe_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://community.ardour.org/s/subscribe")));
4918
4919         msg.get_vbox()->pack_start (pay_label);
4920         msg.get_vbox()->pack_start (pay_button_box);
4921         msg.get_vbox()->pack_start (subscribe_label);
4922         msg.get_vbox()->pack_start (subscribe_button_box);
4923
4924         msg.get_vbox()->show_all ();
4925
4926         msg.add_button (_("Remain silent"), Gtk::RESPONSE_CANCEL);
4927         msg.add_button (_("Save and quit"), Gtk::RESPONSE_NO);
4928         msg.add_button (_("Give me more time"), Gtk::RESPONSE_YES);
4929
4930         int r = msg.run ();
4931
4932         switch (r) {
4933         case Gtk::RESPONSE_YES:
4934                 AudioEngine::instance()->reset_silence_countdown ();
4935                 break;
4936
4937         case Gtk::RESPONSE_NO:
4938                 /* save and quit */
4939                 save_state_canfail ("");
4940                 exit (0);
4941                 break;
4942
4943         case Gtk::RESPONSE_CANCEL:
4944         default:
4945                 /* don't reset, save session and exit */
4946                 break;
4947         }
4948 }
4949
4950 void
4951 ARDOUR_UI::hide_application ()
4952 {
4953     Application::instance ()-> hide ();
4954 }