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 #ifndef PLATFORM_WINDOWS
  32 #include <sys/resource.h>
  33 #endif
  34
  35 #include <stdint.h>
  36 #include <fcntl.h>
  37 #include <signal.h>
  38 #include <unistd.h>
  39 #include <time.h>
  40
  41 #include <glib.h>
  42 #include <glib/gstdio.h>
  43
  44 #include <gtkmm/messagedialog.h>
  45 #include <gtkmm/accelmap.h>
  46
  47 #include "pbd/error.h"
  48 #include "pbd/basename.h"
  49 #include "pbd/compose.h"
  50 #include "pbd/failed_constructor.h"
  51 #include "pbd/enumwriter.h"
  52 #include "pbd/memento_command.h"
  53 #include "pbd/openuri.h"
  54 #include "pbd/stl_delete.h"
  55 #include "pbd/file_utils.h"
  56 #include "pbd/localtime_r.h"
  57 #include "pbd/pthread_utils.h"
  58
  59 #include "gtkmm2ext/application.h"
  60 #include "gtkmm2ext/bindings.h"
  61 #include "gtkmm2ext/gtk_ui.h"
  62 #include "gtkmm2ext/utils.h"
  63 #include "gtkmm2ext/click_box.h"
  64 #include "gtkmm2ext/fastmeter.h"
  65 #include "gtkmm2ext/popup.h"
  66 #include "gtkmm2ext/window_title.h"
  67
  68 #include "ardour/ardour.h"
  69 #include "ardour/audio_backend.h"
  70 #include "ardour/audioengine.h"
  71 #include "ardour/audiofilesource.h"
  72 #include "ardour/automation_watch.h"
  73 #include "ardour/diskstream.h"
  74 #include "ardour/filename_extensions.h"
  75 #include "ardour/filesystem_paths.h"
  76 #include "ardour/port.h"
  77 #include "ardour/plugin_manager.h"
  78 #include "ardour/process_thread.h"
  79 #include "ardour/profile.h"
  80 #include "ardour/recent_sessions.h"
  81 #include "ardour/session_directory.h"
  82 #include "ardour/session_route.h"
  83 #include "ardour/session_state_utils.h"
  84 #include "ardour/session_utils.h"
  85 #include "ardour/slave.h"
  86 #include "ardour/system_exec.h"
  87
  88 #ifdef WINDOWS_VST_SUPPORT
  89 #include <fst.h>
  90 #endif
  91 #ifdef AUDIOUNIT_SUPPORT
  92 #include "ardour/audio_unit.h"
  93 #endif
  94
  95 #include "timecode/time.h"
  96
  97 typedef uint64_t microseconds_t;
  98
  99 #include "about.h"
 100 #include "editing.h"
 101 #include "actions.h"
 102 #include "add_route_dialog.h"
 103 #include "ambiguous_file_dialog.h"
 104 #include "ardour_ui.h"
 105 #include "audio_clock.h"
 106 #include "big_clock_window.h"
 107 #include "bundle_manager.h"
 108 #include "engine_dialog.h"
 109 #include "export_video_dialog.h"
 110 #include "export_video_infobox.h"
 111 #include "gain_meter.h"
 112 #include "global_port_matrix.h"
 113 #include "gui_object.h"
 114 #include "gui_thread.h"
 115 #include "keyboard.h"
 116 #include "keyeditor.h"
 117 #include "location_ui.h"
 118 #include "main_clock.h"
 119 #include "missing_file_dialog.h"
 120 #include "missing_plugin_dialog.h"
 121 #include "mixer_ui.h"
 122 #include "mouse_cursors.h"
 123 #include "nsm.h"
 124 #include "opts.h"
 125 #include "pingback.h"
 126 #include "processor_box.h"
 127 #include "prompter.h"
 128 #include "public_editor.h"
 129 #include "rc_option_editor.h"
 130 #include "route_time_axis.h"
 131 #include "route_params_ui.h"
 132 #include "save_as_dialog.h"
 133 #include "session_dialog.h"
 134 #include "session_metadata_dialog.h"
 135 #include "session_option_editor.h"
 136 #include "shuttle_control.h"
 137 #include "speaker_dialog.h"
 138 #include "splash.h"
 139 #include "startup.h"
 140 #include "theme_manager.h"
 141 #include "time_axis_view_item.h"
 142 #include "timers.h"
 143 #include "utils.h"
 144 #include "video_server_dialog.h"
 145 #include "add_video_dialog.h"
 146 #include "transcode_video_dialog.h"
 147
 148 #include "i18n.h"
 149
 150 using namespace ARDOUR;
 151 using namespace ARDOUR_UI_UTILS;
 152 using namespace PBD;
 153 using namespace Gtkmm2ext;
 154 using namespace Gtk;
 155 using namespace std;
 156 using namespace Editing;
 157
 158 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 159
 160 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 161 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 162
 163 float ARDOUR_UI::ui_scale = 1.0;
 164
 165 static bool
 166 ask_about_configuration_copy (string const & old_dir, string const & new_dir, int version)
 167 {
 168         MessageDialog msg (string_compose (_("%1 %2.x has discovered configuration files from %1 %3.x.\n\n"
 169                                              "Would you like these files to be copied and used for %1 %2.x?\n\n"
 170                                              "(This will require you to restart %1.)"),
 171                                            PROGRAM_NAME, PROGRAM_VERSION, version),
 172                            false, /* no markup */
 173                            Gtk::MESSAGE_INFO,
 174                            Gtk::BUTTONS_YES_NO,
 175                            true /* modal, though it hardly matters since it is the only window */
 176                 );
 177
 178         msg.set_default_response (Gtk::RESPONSE_YES);
 179         msg.show_all ();
 180
 181         return (msg.run() == Gtk::RESPONSE_YES);
 182 }
 183
 184 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir, UIConfiguration* uic)
 185
 186         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 187         , ui_config (uic->post_gui_init ())
 188         , session_loaded (false)
 189         , gui_object_state (new GUIObjectState)
 190         , primary_clock   (new MainClock (X_("primary"),   X_("transport"), true ))
 191         , secondary_clock (new MainClock (X_("secondary"), X_("secondary"), false))
 192         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 193         , video_timeline(0)
 194         , ignore_dual_punch (false)
 195         , editor (0)
 196         , mixer (0)
 197         , nsm (0)
 198         , _was_dirty (false)
 199         , _mixer_on_top (false)
 200         , first_time_engine_run (true)
 201         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 202         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 203         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 204         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 205         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 206         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 207         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 208         , follow_edits_button (ArdourButton::led_default_elements)
 209         , auto_input_button (ArdourButton::led_default_elements)
 210         , auditioning_alert_button (_("Audition"))
 211         , solo_alert_button (_("Solo"))
 212         , feedback_alert_button (_("Feedback"))
 213         , error_alert_button ( ArdourButton::just_led_default_elements )
 214         , editor_meter(0)
 215         , editor_meter_peak_display()
 216         , session_selector_window (0)
 217         , open_session_selector (0)
 218         , _numpad_locate_happening (false)
 219         , _session_is_new (false)
 220         , last_key_press_time (0)
 221         , save_as_dialog (0)
 222         , meterbridge (0)
 223         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 224         , key_editor (X_("key-editor"), _("Key Bindings"))
 225         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 226         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 227         , about (X_("about"), _("About"))
 228         , location_ui (X_("locations"), _("Locations"))
 229         , route_params (X_("inspector"), _("Tracks and Busses"))
 230         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 231         , export_video_dialog (X_("video-export"), _("Video Export Dialog"))
 232         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 233         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 234         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 235         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 236         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 237         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 238         , video_server_process (0)
 239         , splash (0)
 240         , have_configure_timeout (false)
 241         , last_configure_time (0)
 242         , last_peak_grab (0)
 243         , have_disk_speed_dialog_displayed (false)
 244         , _status_bar_visibility (X_("status-bar"))
 245         , _feedback_exists (false)
 246         , _log_not_acknowledged (LogLevelNone)
 247 {
 248         Gtkmm2ext::init (localedir);
 249
 250         if (ARDOUR::handle_old_configuration_files (boost::bind (ask_about_configuration_copy, _1, _2, _3))) {
 251                 MessageDialog msg (string_compose (_("Your configuration files were copied. You can now restart %1."), PROGRAM_NAME), true);
 252                 msg.run ();
 253                 /* configuration was modified, exit immediately */
 254                 _exit (0);
 255         }
 256
 257         if (theArdourUI == 0) {
 258                 theArdourUI = this;
 259         }
 260
 261         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 262         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 263         ui_config->map_parameters (pc);
 264
 265         roll_button.set_controllable (roll_controllable);
 266         stop_button.set_controllable (stop_controllable);
 267         goto_start_button.set_controllable (goto_start_controllable);
 268         goto_end_button.set_controllable (goto_end_controllable);
 269         auto_loop_button.set_controllable (auto_loop_controllable);
 270         play_selection_button.set_controllable (play_selection_controllable);
 271         rec_button.set_controllable (rec_controllable);
 272
 273         roll_button.set_name ("transport button");
 274         stop_button.set_name ("transport button");
 275         goto_start_button.set_name ("transport button");
 276         goto_end_button.set_name ("transport button");
 277         auto_loop_button.set_name ("transport button");
 278         play_selection_button.set_name ("transport button");
 279         rec_button.set_name ("transport recenable button");
 280         midi_panic_button.set_name ("transport button");
 281
 282         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 283         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 284
 285         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 286
 287         /* handle dialog requests */
 288
 289         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 290
 291         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 292
 293         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 294
 295         /* handle Audio/MIDI setup when session requires it */
 296
 297         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 298
 299         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 300
 301         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 302
 303         /* handle requests to quit (coming from JACK session) */
 304
 305         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 306
 307         /* tell the user about feedback */
 308
 309         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 310         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 311
 312         /* handle requests to deal with missing files */
 313
 314         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 315
 316         /* and ambiguous files */
 317
 318         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 319
 320         /* also plugin scan messages */
 321         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 322         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 323
 324         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 325
 326         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 327         set_flat_buttons();
 328
 329         /* lets get this party started */
 330
 331         setup_gtk_ardour_enums ();
 332         setup_profile ();
 333
 334         SessionEvent::create_per_thread_pool ("GUI", 512);
 335
 336         /* we like keyboards */
 337
 338         keyboard = new ArdourKeyboard(*this);
 339
 340         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 341         if (node) {
 342                 keyboard->set_state (*node, Stateful::loading_state_version);
 343         }
 344
 345         /* we don't like certain modifiers */
 346         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 347
 348         reset_dpi();
 349
 350         TimeAxisViewItem::set_constant_heights ();
 351
 352         /* Set this up so that our window proxies can register actions */
 353
 354         ActionManager::init ();
 355
 356         /* The following must happen after ARDOUR::init() so that Config is set up */
 357
 358         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 359
 360         if (ui_xml) {
 361                 key_editor.set_state (*ui_xml);
 362                 rc_option_editor.set_state (*ui_xml);
 363                 session_option_editor.set_state (*ui_xml);
 364                 speaker_config_window.set_state (*ui_xml);
 365                 about.set_state (*ui_xml);
 366                 add_route_dialog.set_state (*ui_xml);
 367                 add_video_dialog.set_state (*ui_xml);
 368                 route_params.set_state (*ui_xml);
 369                 bundle_manager.set_state (*ui_xml);
 370                 location_ui.set_state (*ui_xml);
 371                 big_clock_window.set_state (*ui_xml);
 372                 audio_port_matrix.set_state (*ui_xml);
 373                 midi_port_matrix.set_state (*ui_xml);
 374                 export_video_dialog.set_state (*ui_xml);
 375         }
 376
 377         WM::Manager::instance().register_window (&key_editor);
 378         WM::Manager::instance().register_window (&rc_option_editor);
 379         WM::Manager::instance().register_window (&session_option_editor);
 380         WM::Manager::instance().register_window (&speaker_config_window);
 381         WM::Manager::instance().register_window (&about);
 382         WM::Manager::instance().register_window (&add_route_dialog);
 383         WM::Manager::instance().register_window (&add_video_dialog);
 384         WM::Manager::instance().register_window (&route_params);
 385         WM::Manager::instance().register_window (&audio_midi_setup);
 386         WM::Manager::instance().register_window (&export_video_dialog);
 387         WM::Manager::instance().register_window (&bundle_manager);
 388         WM::Manager::instance().register_window (&location_ui);
 389         WM::Manager::instance().register_window (&big_clock_window);
 390         WM::Manager::instance().register_window (&audio_port_matrix);
 391         WM::Manager::instance().register_window (&midi_port_matrix);
 392
 393         /* Trigger setting up the color scheme and loading the GTK RC file */
 394
 395         ARDOUR_UI::config()->load_rc_file (false);
 396
 397         _process_thread = new ProcessThread ();
 398         _process_thread->init ();
 399
 400         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 401
 402         attach_to_engine ();
 403 }
 404
 405 GlobalPortMatrixWindow*
 406 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 407 {
 408         if (!_session) {
 409                 return 0;
 410         }
 411         return new GlobalPortMatrixWindow (_session, type);
 412 }
 413
 414 void
 415 ARDOUR_UI::attach_to_engine ()
 416 {
 417         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 418         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 419 }
 420
 421 void
 422 ARDOUR_UI::engine_stopped ()
 423 {
 424         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 425         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 426         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 427 }
 428
 429 void
 430 ARDOUR_UI::engine_running ()
 431 {
 432         if (first_time_engine_run) {
 433                 post_engine();
 434                 first_time_engine_run = false;
 435         }
 436
 437         if (_session) {
 438                 _session->reset_xrun_count ();
 439         }
 440         update_disk_space ();
 441         update_cpu_load ();
 442         update_xrun_count ();
 443         update_sample_rate (AudioEngine::instance()->sample_rate());
 444         update_timecode_format ();
 445 }
 446
 447 void
 448 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 449 {
 450         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 451                 /* we can't rely on the original string continuing to exist when we are called
 452                    again in the GUI thread, so make a copy and note that we need to
 453                    free it later.
 454                 */
 455                 char *copy = strdup (reason);
 456                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 457                 return;
 458         }
 459
 460         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 461         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 462
 463         update_sample_rate (0);
 464
 465         string msgstr;
 466
 467         /* if the reason is a non-empty string, it means that the backend was shutdown
 468            rather than just Ardour.
 469         */
 470
 471         if (strlen (reason)) {
 472                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 473         } else {
 474                 msgstr = string_compose (_("\
 475 The audio backend has either been shutdown or it\n\
 476 disconnected %1 because %1\n\
 477 was not fast enough. Try to restart\n\
 478 the audio backend and save the session."), PROGRAM_NAME);
 479         }
 480
 481         MessageDialog msg (*editor, msgstr);
 482         pop_back_splash (msg);
 483         msg.run ();
 484
 485         if (free_reason) {
 486                 free (const_cast<char*> (reason));
 487         }
 488 }
 489
 490 void
 491 ARDOUR_UI::post_engine ()
 492 {
 493         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 494          */
 495 #ifdef AUDIOUNIT_SUPPORT
 496         std::string au_msg;
 497         if (AUPluginInfo::au_get_crashlog(au_msg)) {
 498                 popup_error(_("Audio Unit Plugin Scan Failed. Automatic AU scanning has been disabled. Please see the log window for further details."));
 499                 error << _("Audio Unit Plugin Scan Failed:") << endmsg;
 500                 info << au_msg << endmsg;
 501         }
 502 #endif
 503
 504         ARDOUR::init_post_engine ();
 505
 506         /* connect to important signals */
 507
 508         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 509         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 510         AudioEngine::instance()->BufferSizeChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 511         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 512         AudioEngine::instance()->BecameSilent.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::audioengine_became_silent, this), gui_context());
 513
 514         _tooltips.enable();
 515
 516         if (setup_windows ()) {
 517                 throw failed_constructor ();
 518         }
 519
 520         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 521         XMLNode* n = Config->extra_xml (X_("UI"));
 522         if (n) {
 523                 _status_bar_visibility.set_state (*n);
 524         }
 525
 526         check_memory_locking();
 527
 528         /* this is the first point at which all the keybindings are available */
 529
 530         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 531                 vector<string> names;
 532                 vector<string> paths;
 533                 vector<string> tooltips;
 534                 vector<string> keys;
 535                 vector<AccelKey> bindings;
 536
 537                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 538
 539                 vector<string>::iterator n;
 540                 vector<string>::iterator k;
 541                 vector<string>::iterator p;
 542                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 543                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 544                 }
 545
 546                 halt_connection.disconnect ();
 547                 AudioEngine::instance()->stop ();
 548                 exit (0);
 549         }
 550
 551         /* this being a GUI and all, we want peakfiles */
 552
 553         AudioFileSource::set_build_peakfiles (true);
 554         AudioFileSource::set_build_missing_peakfiles (true);
 555
 556         /* set default clock modes */
 557
 558         if (Profile->get_sae()) {
 559                 primary_clock->set_mode (AudioClock::BBT);
 560                 secondary_clock->set_mode (AudioClock::MinSec);
 561         }  else {
 562                 primary_clock->set_mode (AudioClock::Timecode);
 563                 secondary_clock->set_mode (AudioClock::BBT);
 564         }
 565
 566         /* start the time-of-day-clock */
 567
 568 #ifndef GTKOSX
 569         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 570         update_wall_clock ();
 571         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 572 #endif
 573
 574         {
 575                 DisplaySuspender ds;
 576                 Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 577                 boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 578                 Config->map_parameters (pc);
 579
 580                 ui_config->map_parameters (pc);
 581         }
 582 }
 583
 584 ARDOUR_UI::~ARDOUR_UI ()
 585 {
 586         ui_config->save_state();
 587
 588         stop_video_server();
 589
 590         if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
 591                 // don't bother at 'real' exit. the OS cleans up for us.
 592                 delete big_clock;
 593                 delete primary_clock;
 594                 delete secondary_clock;
 595                 delete _process_thread;
 596                 delete gui_object_state;
 597                 FastMeter::flush_pattern_cache ();
 598         }
 599 }
 600
 601 void
 602 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 603 {
 604         if (Splash::instance()) {
 605                 Splash::instance()->pop_back_for (win);
 606         }
 607 }
 608
 609 gint
 610 ARDOUR_UI::configure_timeout ()
 611 {
 612         if (last_configure_time == 0) {
 613                 /* no configure events yet */
 614                 return true;
 615         }
 616
 617         /* force a gap of 0.5 seconds since the last configure event
 618          */
 619
 620         if (get_microseconds() - last_configure_time < 500000) {
 621                 return true;
 622         } else {
 623                 have_configure_timeout = false;
 624                 save_ardour_state ();
 625                 return false;
 626         }
 627 }
 628
 629 gboolean
 630 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 631 {
 632         if (have_configure_timeout) {
 633                 last_configure_time = get_microseconds();
 634         } else {
 635                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 636                 have_configure_timeout = true;
 637         }
 638
 639         return FALSE;
 640 }
 641
 642 void
 643 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 644 {
 645         const XMLProperty* prop;
 646
 647         if ((prop = node.property ("roll")) != 0) {
 648                 roll_controllable->set_id (prop->value());
 649         }
 650         if ((prop = node.property ("stop")) != 0) {
 651                 stop_controllable->set_id (prop->value());
 652         }
 653         if ((prop = node.property ("goto-start")) != 0) {
 654                 goto_start_controllable->set_id (prop->value());
 655         }
 656         if ((prop = node.property ("goto-end")) != 0) {
 657                 goto_end_controllable->set_id (prop->value());
 658         }
 659         if ((prop = node.property ("auto-loop")) != 0) {
 660                 auto_loop_controllable->set_id (prop->value());
 661         }
 662         if ((prop = node.property ("play-selection")) != 0) {
 663                 play_selection_controllable->set_id (prop->value());
 664         }
 665         if ((prop = node.property ("rec")) != 0) {
 666                 rec_controllable->set_id (prop->value());
 667         }
 668         if ((prop = node.property ("shuttle")) != 0) {
 669                 shuttle_box->controllable()->set_id (prop->value());
 670         }
 671 }
 672
 673 XMLNode&
 674 ARDOUR_UI::get_transport_controllable_state ()
 675 {
 676         XMLNode* node = new XMLNode(X_("TransportControllables"));
 677         char buf[64];
 678
 679         roll_controllable->id().print (buf, sizeof (buf));
 680         node->add_property (X_("roll"), buf);
 681         stop_controllable->id().print (buf, sizeof (buf));
 682         node->add_property (X_("stop"), buf);
 683         goto_start_controllable->id().print (buf, sizeof (buf));
 684         node->add_property (X_("goto_start"), buf);
 685         goto_end_controllable->id().print (buf, sizeof (buf));
 686         node->add_property (X_("goto_end"), buf);
 687         auto_loop_controllable->id().print (buf, sizeof (buf));
 688         node->add_property (X_("auto_loop"), buf);
 689         play_selection_controllable->id().print (buf, sizeof (buf));
 690         node->add_property (X_("play_selection"), buf);
 691         rec_controllable->id().print (buf, sizeof (buf));
 692         node->add_property (X_("rec"), buf);
 693         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 694         node->add_property (X_("shuttle"), buf);
 695
 696         return *node;
 697 }
 698
 699 void
 700 ARDOUR_UI::save_session_at_its_request (std::string snapshot_name)
 701 {
 702         if (_session) {
 703                 _session->save_state (snapshot_name);
 704         }
 705 }
 706
 707 gint
 708 ARDOUR_UI::autosave_session ()
 709 {
 710         if (g_main_depth() > 1) {
 711                 /* inside a recursive main loop,
 712                    give up because we may not be able to
 713                    take a lock.
 714                 */
 715                 return 1;
 716         }
 717
 718         if (!Config->get_periodic_safety_backups()) {
 719                 return 1;
 720         }
 721
 722         if (_session) {
 723                 _session->maybe_write_autosave();
 724         }
 725
 726         return 1;
 727 }
 728
 729 void
 730 ARDOUR_UI::update_autosave ()
 731 {
 732         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 733
 734         if (_session && _session->dirty()) {
 735                 if (_autosave_connection.connected()) {
 736                         _autosave_connection.disconnect();
 737                 }
 738
 739                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 740                                 Config->get_periodic_safety_backup_interval() * 1000);
 741
 742         } else {
 743                 if (_autosave_connection.connected()) {
 744                         _autosave_connection.disconnect();
 745                 }
 746         }
 747 }
 748
 749 void
 750 ARDOUR_UI::check_announcements ()
 751 {
 752 #ifdef PHONE_HOME
 753         string _annc_filename;
 754
 755 #ifdef __APPLE__
 756         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 757 #else
 758         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 759 #endif
 760         _annc_filename.append (VERSIONSTRING);
 761
 762         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 763         std::ifstream announce_file (path.c_str());
 764         if ( announce_file.fail() )
 765                 _announce_string = "";
 766         else {
 767                 std::stringstream oss;
 768                 oss << announce_file.rdbuf();
 769                 _announce_string = oss.str();
 770         }
 771
 772         pingback (VERSIONSTRING, path);
 773 #endif
 774 }
 775
 776 int
 777 ARDOUR_UI::starting ()
 778 {
 779         Application* app = Application::instance ();
 780         const char *nsm_url;
 781         bool brand_new_user = ArdourStartup::required ();
 782
 783         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 784         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::load_from_application_api));
 785
 786         if (ARDOUR_COMMAND_LINE::check_announcements) {
 787                 check_announcements ();
 788         }
 789
 790         app->ready ();
 791
 792         /* we need to create this early because it may need to set the
 793          *  audio backend end up.
 794          */
 795
 796         try {
 797                 audio_midi_setup.get (true);
 798         } catch (...) {
 799                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 800                 return -1;
 801         }
 802
 803         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 804                 nsm = new NSM_Client;
 805                 if (!nsm->init (nsm_url)) {
 806                         /* the ardour executable may have different names:
 807                          *
 808                          * waf's obj.target for distro versions: eg ardour4, ardourvst4
 809                          * Ardour4, Mixbus3 for bundled versions + full path on OSX & windows
 810                          * argv[0] does not apply since we need the wrapper-script (not the binary itself)
 811                          *
 812                          * The wrapper startup script should set the environment variable 'ARDOUR_SELF'
 813                          */
 814                         const char *process_name = g_getenv ("ARDOUR_SELF");
 815                         nsm->announce (PROGRAM_NAME, ":dirty:", process_name ? process_name : "ardour4");
 816
 817                         unsigned int i = 0;
 818                         // wait for announce reply from nsm server
 819                         for ( i = 0; i < 5000; ++i) {
 820                                 nsm->check ();
 821
 822                                 Glib::usleep (i);
 823                                 if (nsm->is_active()) {
 824                                         break;
 825                                 }
 826                         }
 827                         if (i == 5000) {
 828                                 error << _("NSM server did not announce itself") << endmsg;
 829                                 return -1;
 830                         }
 831                         // wait for open command from nsm server
 832                         for ( i = 0; i < 5000; ++i) {
 833                                 nsm->check ();
 834                                 Glib::usleep (1000);
 835                                 if (nsm->client_id ()) {
 836                                         break;
 837                                 }
 838                         }
 839
 840                         if (i == 5000) {
 841                                 error << _("NSM: no client ID provided") << endmsg;
 842                                 return -1;
 843                         }
 844
 845                         if (_session && nsm) {
 846                                 _session->set_nsm_state( nsm->is_active() );
 847                         } else {
 848                                 error << _("NSM: no session created") << endmsg;
 849                                 return -1;
 850                         }
 851
 852                         // nsm requires these actions disabled
 853                         vector<string> action_names;
 854                         action_names.push_back("SaveAs");
 855                         action_names.push_back("Rename");
 856                         action_names.push_back("New");
 857                         action_names.push_back("Open");
 858                         action_names.push_back("Recent");
 859                         action_names.push_back("Close");
 860
 861                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 862                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 863                                 if (act) {
 864                                         act->set_sensitive (false);
 865                                 }
 866                         }
 867
 868                 } else {
 869                         delete nsm;
 870                         nsm = 0;
 871                         error << _("NSM: initialization failed") << endmsg;
 872                         return -1;
 873                 }
 874
 875         } else  {
 876
 877                 if (brand_new_user) {
 878                         ArdourStartup s;
 879                         s.present ();
 880                         main().run();
 881                         s.hide ();
 882                         switch (s.response ()) {
 883                         case Gtk::RESPONSE_OK:
 884                                 break;
 885                         default:
 886                                 return -1;
 887                         }
 888                 }
 889
 890 #ifdef NO_PLUGIN_STATE
 891
 892                 ARDOUR::RecentSessions rs;
 893                 ARDOUR::read_recent_sessions (rs);
 894
 895                 string path = Glib::build_filename (user_config_directory(), ".iknowaboutfreeversion");
 896
 897                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS) && !rs.empty()) {
 898
 899                         /* already used Ardour, have sessions ... warn about plugin state */
 900
 901                         ArdourDialog d (_("Free/Demo Version Warning"), true);
 902                         Label l;
 903                         Button b (string_compose (_("Subscribe and support development of %1"), PROGRAM_NAME));
 904                         CheckButton c (_("Don't warn me about this again"));
 905
 906                         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"),
 907                                                       string_compose (_("This is a free/demo version of %1"), PROGRAM_NAME),
 908                                                       _("It will not restore OR save any plugin settings"),
 909                                                       _("If you load an existing session with plugin settings\n"
 910                                                         "they will not be used and will be lost."),
 911                                                       _("To get full access to updates without this limitation\n"
 912                                                         "consider becoming a subscriber for a low cost every month.")));
 913                         l.set_justify (JUSTIFY_CENTER);
 914
 915                         b.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::launch_subscribe));
 916
 917                         d.get_vbox()->pack_start (l, true, true);
 918                         d.get_vbox()->pack_start (b, false, false, 12);
 919                         d.get_vbox()->pack_start (c, false, false, 12);
 920
 921                         d.add_button (_("Quit now"), RESPONSE_CANCEL);
 922                         d.add_button (string_compose (_("Continue using %1"), PROGRAM_NAME), RESPONSE_OK);
 923
 924                         d.show_all ();
 925
 926                         c.signal_toggled().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (toggle_file_existence), path)));
 927
 928                         if (d.run () != RESPONSE_OK) {
 929                                 _exit (0);
 930                         }
 931                 }
 932 #endif
 933
 934                 /* go get a session */
 935
 936                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 937
 938                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 939                         std::cerr << "Cannot get session parameters."<< std::endl;
 940                         return -1;
 941                 }
 942         }
 943
 944         use_config ();
 945
 946         goto_editor_window ();
 947
 948         WM::Manager::instance().show_visible ();
 949
 950         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 951          * editor window, and we may want stuff to be hidden.
 952          */
 953         _status_bar_visibility.update ();
 954
 955         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 956         return 0;
 957 }
 958
 959 void
 960 ARDOUR_UI::check_memory_locking ()
 961 {
 962 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
 963         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 964         return;
 965 #else // !__APPLE__
 966
 967         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 968
 969         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 970
 971                 struct rlimit limits;
 972                 int64_t ram;
 973                 long pages, page_size;
 974 #ifdef __FreeBSD__
 975                 size_t pages_len=sizeof(pages);
 976                 if ((page_size = getpagesize()) < 0 ||
 977                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 978 #else
 979                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 980 #endif
 981                 {
 982                         ram = 0;
 983                 } else {
 984                         ram = (int64_t) pages * (int64_t) page_size;
 985                 }
 986
 987                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 988                         return;
 989                 }
 990
 991                 if (limits.rlim_cur != RLIM_INFINITY) {
 992
 993                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 994
 995                                 MessageDialog msg (
 996                                         string_compose (
 997                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 998                                                   "This might cause %1 to run out of memory before your system "
 999                                                   "runs out of memory. \n\n"
1000                                                   "You can view the memory limit with 'ulimit -l', "
1001                                                   "and it is normally controlled by %2"),
1002                                                 PROGRAM_NAME,
1003 #ifdef __FreeBSD__
1004                                                 X_("/etc/login.conf")
1005 #else
1006                                                 X_(" /etc/security/limits.conf")
1007 #endif
1008                                         ).c_str());
1009
1010                                 msg.set_default_response (RESPONSE_OK);
1011
1012                                 VBox* vbox = msg.get_vbox();
1013                                 HBox hbox;
1014                                 CheckButton cb (_("Do not show this window again"));
1015                                 hbox.pack_start (cb, true, false);
1016                                 vbox->pack_start (hbox);
1017                                 cb.show();
1018                                 vbox->show();
1019                                 hbox.show ();
1020
1021                                 pop_back_splash (msg);
1022
1023                                 editor->ensure_float (msg);
1024                                 msg.run ();
1025
1026                                 if (cb.get_active()) {
1027                                         XMLNode node (X_("no-memory-warning"));
1028                                         Config->add_instant_xml (node);
1029                                 }
1030                         }
1031                 }
1032         }
1033 #endif // !__APPLE__
1034 }
1035
1036
1037 void
1038 ARDOUR_UI::queue_finish ()
1039 {
1040         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
1041 }
1042
1043 bool
1044 ARDOUR_UI::idle_finish ()
1045 {
1046         finish ();
1047         return false; /* do not call again */
1048 }
1049
1050 void
1051 ARDOUR_UI::finish()
1052 {
1053         if (_session) {
1054                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
1055
1056                 if (_session->dirty()) {
1057                         vector<string> actions;
1058                         actions.push_back (_("Don't quit"));
1059                         actions.push_back (_("Just quit"));
1060                         actions.push_back (_("Save and quit"));
1061                         switch (ask_about_saving_session(actions)) {
1062                         case -1:
1063                                 return;
1064                                 break;
1065                         case 1:
1066                                 /* use the default name */
1067                                 if (save_state_canfail ("")) {
1068                                         /* failed - don't quit */
1069                                         MessageDialog msg (*editor,
1070                                                            string_compose (_("\
1071 %1 was unable to save your session.\n\n\
1072 If you still wish to quit, please use the\n\n\
1073 \"Just quit\" option."), PROGRAM_NAME));
1074                                         pop_back_splash(msg);
1075                                         msg.run ();
1076                                         return;
1077                                 }
1078                                 break;
1079                         case 0:
1080                                 break;
1081                         }
1082                 }
1083
1084                 second_connection.disconnect ();
1085                 point_one_second_connection.disconnect ();
1086                 point_zero_something_second_connection.disconnect();
1087                 fps_connection.disconnect();
1088         }
1089
1090         delete ARDOUR_UI::instance()->video_timeline;
1091         ARDOUR_UI::instance()->video_timeline = NULL;
1092         stop_video_server();
1093
1094         /* Save state before deleting the session, as that causes some
1095            windows to be destroyed before their visible state can be
1096            saved.
1097         */
1098         save_ardour_state ();
1099
1100         close_all_dialogs ();
1101
1102         if (_session) {
1103                 _session->set_clean ();
1104                 _session->remove_pending_capture_state ();
1105                 delete _session;
1106                 _session = 0;
1107         }
1108
1109         halt_connection.disconnect ();
1110         AudioEngine::instance()->stop ();
1111 #ifdef WINDOWS_VST_SUPPORT
1112         fst_stop_threading();
1113 #endif
1114         quit ();
1115 }
1116
1117 int
1118 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1119 {
1120         ArdourDialog window (_("Unsaved Session"));
1121         Gtk::HBox dhbox;  // the hbox for the image and text
1122         Gtk::Label  prompt_label;
1123         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1124
1125         string msg;
1126
1127         assert (actions.size() >= 3);
1128
1129         window.add_button (actions[0], RESPONSE_REJECT);
1130         window.add_button (actions[1], RESPONSE_APPLY);
1131         window.add_button (actions[2], RESPONSE_ACCEPT);
1132
1133         window.set_default_response (RESPONSE_ACCEPT);
1134
1135         Gtk::Button noquit_button (msg);
1136         noquit_button.set_name ("EditorGTKButton");
1137
1138         string prompt;
1139
1140         if (_session->snap_name() == _session->name()) {
1141                 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?"),
1142                                         _session->snap_name());
1143         } else {
1144                 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?"),
1145                                         _session->snap_name());
1146         }
1147
1148         prompt_label.set_text (prompt);
1149         prompt_label.set_name (X_("PrompterLabel"));
1150         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1151
1152         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1153         dhbox.set_homogeneous (false);
1154         dhbox.pack_start (*dimage, false, false, 5);
1155         dhbox.pack_start (prompt_label, true, false, 5);
1156         window.get_vbox()->pack_start (dhbox);
1157
1158         window.set_name (_("Prompter"));
1159         window.set_modal (true);
1160         window.set_resizable (false);
1161
1162         dhbox.show();
1163         prompt_label.show();
1164         dimage->show();
1165         window.show();
1166         window.present ();
1167
1168         ResponseType r = (ResponseType) window.run();
1169
1170         window.hide ();
1171
1172         switch (r) {
1173         case RESPONSE_ACCEPT: // save and get out of here
1174                 return 1;
1175         case RESPONSE_APPLY:  // get out of here
1176                 return 0;
1177         default:
1178                 break;
1179         }
1180
1181         return -1;
1182 }
1183
1184
1185 void
1186 ARDOUR_UI::every_second ()
1187 {
1188         update_cpu_load ();
1189         update_xrun_count ();
1190         update_buffer_load ();
1191         update_disk_space ();
1192         update_timecode_format ();
1193
1194         if (nsm && nsm->is_active ()) {
1195                 nsm->check ();
1196
1197                 if (!_was_dirty && _session->dirty ()) {
1198                         nsm->is_dirty ();
1199                         _was_dirty = true;
1200                 }
1201                 else if (_was_dirty && !_session->dirty ()){
1202                         nsm->is_clean ();
1203                         _was_dirty = false;
1204                 }
1205         }
1206 }
1207
1208 void
1209 ARDOUR_UI::every_point_one_seconds ()
1210 {
1211         // TODO get rid of this..
1212         // ShuttleControl is updated directly via TransportStateChange signal
1213 }
1214
1215 void
1216 ARDOUR_UI::every_point_zero_something_seconds ()
1217 {
1218         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1219
1220         if (editor_meter && ARDOUR_UI::config()->get_show_editor_meter()) {
1221                 float mpeak = editor_meter->update_meters();
1222                 if (mpeak > editor_meter_max_peak) {
1223                         if (mpeak >= ARDOUR_UI::config()->get_meter_peak()) {
1224                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1225                         }
1226                 }
1227         }
1228 }
1229
1230 void
1231 ARDOUR_UI::set_fps_timeout_connection ()
1232 {
1233         unsigned int interval = 40;
1234         if (!_session) return;
1235         if (_session->timecode_frames_per_second() != 0) {
1236                 /* ideally we'll use a select() to sleep and not accumulate
1237                  * idle time to provide a regular periodic signal.
1238                  * See linux_vst_gui_support.cc 'elapsed_time_ms'.
1239                  * However, that'll require a dedicated thread and cross-thread
1240                  * signals to the GUI Thread..
1241                  */
1242                 interval = floor(500. /* update twice per FPS, since Glib::signal_timeout is very irregular */
1243                                 * _session->frame_rate() / _session->nominal_frame_rate()
1244                                 / _session->timecode_frames_per_second()
1245                                 );
1246 #ifdef PLATFORM_WINDOWS
1247                 // the smallest windows scheduler time-slice is ~15ms.
1248                 // periodic GUI timeouts shorter than that will cause
1249                 // WaitForSingleObject to spinlock (100% of one CPU Core)
1250                 // and gtk never enters idle mode.
1251                 // also changing timeBeginPeriod(1) does not affect that in
1252                 // any beneficial way, so we just limit the max rate for now.
1253                 interval = std::max(30u, interval); // at most ~33Hz.
1254 #else
1255                 interval = std::max(8u, interval); // at most 120Hz.
1256 #endif
1257         }
1258         fps_connection.disconnect();
1259         Timers::set_fps_interval (interval);
1260 }
1261
1262 void
1263 ARDOUR_UI::update_sample_rate (framecnt_t)
1264 {
1265         char buf[64];
1266
1267         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1268
1269         if (!AudioEngine::instance()->connected()) {
1270
1271                 snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1272
1273         } else {
1274
1275                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1276
1277                 if (rate == 0) {
1278                         /* no sample rate available */
1279                         snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1280                 } else {
1281
1282                         if (fmod (rate, 1000.0) != 0.0) {
1283                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1284                                           (float) rate / 1000.0f,
1285                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1286                         } else {
1287                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1288                                           rate/1000,
1289                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1290                         }
1291                 }
1292         }
1293         sample_rate_label.set_markup (buf);
1294 }
1295
1296 void
1297 ARDOUR_UI::update_format ()
1298 {
1299         if (!_session) {
1300                 format_label.set_text ("");
1301                 return;
1302         }
1303
1304         stringstream s;
1305         s << _("File:") << X_(" <span foreground=\"green\">");
1306
1307         switch (_session->config.get_native_file_header_format ()) {
1308         case BWF:
1309                 s << _("BWF");
1310                 break;
1311         case WAVE:
1312                 s << _("WAV");
1313                 break;
1314         case WAVE64:
1315                 s << _("WAV64");
1316                 break;
1317         case CAF:
1318                 s << _("CAF");
1319                 break;
1320         case AIFF:
1321                 s << _("AIFF");
1322                 break;
1323         case iXML:
1324                 s << _("iXML");
1325                 break;
1326         case RF64:
1327                 s << _("RF64");
1328                 break;
1329         }
1330
1331         s << " ";
1332
1333         switch (_session->config.get_native_file_data_format ()) {
1334         case FormatFloat:
1335                 s << _("32-float");
1336                 break;
1337         case FormatInt24:
1338                 s << _("24-int");
1339                 break;
1340         case FormatInt16:
1341                 s << _("16-int");
1342                 break;
1343         }
1344
1345         s << X_("</span>");
1346
1347         format_label.set_markup (s.str ());
1348 }
1349
1350 void
1351 ARDOUR_UI::update_xrun_count ()
1352 {
1353         char buf[64];
1354
1355         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1356            should also be changed.
1357         */
1358
1359         if (_session) {
1360                 const unsigned int x = _session->get_xrun_count ();
1361                 if (x > 9999) {
1362                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">&gt;10K</span>"), X_("red"));
1363                 } else {
1364                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">%u</span>"), x > 0 ? X_("red") : X_("green"), x);
1365                 }
1366         } else {
1367                 snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">?</span>"), X_("yellow"));
1368         }
1369         xrun_label.set_markup (buf);
1370         set_tip (xrun_label, _("Audio dropouts. Shift+click to reset"));
1371 }
1372
1373 void
1374 ARDOUR_UI::update_cpu_load ()
1375 {
1376         char buf[64];
1377
1378         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1379            should also be changed.
1380         */
1381
1382         double const c = AudioEngine::instance()->get_dsp_load ();
1383         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1384         cpu_load_label.set_markup (buf);
1385 }
1386
1387 void
1388 ARDOUR_UI::update_buffer_load ()
1389 {
1390         char buf[256];
1391
1392         uint32_t const playback = _session ? _session->playback_load () : 100;
1393         uint32_t const capture = _session ? _session->capture_load () : 100;
1394
1395         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1396            should also be changed.
1397         */
1398
1399         if (_session) {
1400                 snprintf (
1401                         buf, sizeof (buf),
1402                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1403                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1404                         playback <= 5 ? X_("red") : X_("green"),
1405                         playback,
1406                         capture <= 5 ? X_("red") : X_("green"),
1407                         capture
1408                         );
1409
1410                 buffer_load_label.set_markup (buf);
1411         } else {
1412                 buffer_load_label.set_text ("");
1413         }
1414 }
1415
1416 void
1417 ARDOUR_UI::count_recenabled_streams (Route& route)
1418 {
1419         Track* track = dynamic_cast<Track*>(&route);
1420         if (track && track->record_enabled()) {
1421                 rec_enabled_streams += track->n_inputs().n_total();
1422         }
1423 }
1424
1425 void
1426 ARDOUR_UI::update_disk_space()
1427 {
1428         if (_session == 0) {
1429                 return;
1430         }
1431
1432         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1433         char buf[64];
1434         framecnt_t fr = _session->frame_rate();
1435
1436         if (fr == 0) {
1437                 /* skip update - no SR available */
1438                 return;
1439         }
1440
1441         if (!opt_frames) {
1442                 /* Available space is unknown */
1443                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1444         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1445                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1446         } else {
1447                 rec_enabled_streams = 0;
1448                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams, false);
1449
1450                 framecnt_t frames = opt_frames.get_value_or (0);
1451
1452                 if (rec_enabled_streams) {
1453                         frames /= rec_enabled_streams;
1454                 }
1455
1456                 int hrs;
1457                 int mins;
1458                 int secs;
1459
1460                 hrs  = frames / (fr * 3600);
1461
1462                 if (hrs > 24) {
1463                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1464                 } else {
1465                         frames -= hrs * fr * 3600;
1466                         mins = frames / (fr * 60);
1467                         frames -= mins * fr * 60;
1468                         secs = frames / fr;
1469
1470                         bool const low = (hrs == 0 && mins <= 30);
1471
1472                         snprintf (
1473                                 buf, sizeof(buf),
1474                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1475                                 low ? X_("red") : X_("green"),
1476                                 hrs, mins, secs
1477                                 );
1478                 }
1479         }
1480
1481         disk_space_label.set_markup (buf);
1482 }
1483
1484 void
1485 ARDOUR_UI::update_timecode_format ()
1486 {
1487         char buf[64];
1488
1489         if (_session) {
1490                 bool matching;
1491                 TimecodeSlave* tcslave;
1492                 SyncSource sync_src = Config->get_sync_source();
1493
1494                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1495                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1496                 } else {
1497                         matching = true;
1498                 }
1499
1500                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1501                           matching ? X_("green") : X_("red"),
1502                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1503         } else {
1504                 snprintf (buf, sizeof (buf), "TC: n/a");
1505         }
1506
1507         timecode_format_label.set_markup (buf);
1508 }
1509
1510 gint
1511 ARDOUR_UI::update_wall_clock ()
1512 {
1513         time_t now;
1514         struct tm *tm_now;
1515         static int last_min = -1;
1516
1517         time (&now);
1518         tm_now = localtime (&now);
1519         if (last_min != tm_now->tm_min) {
1520                 char buf[16];
1521                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1522                 wall_clock_label.set_text (buf);
1523                 last_min = tm_now->tm_min;
1524         }
1525
1526         return TRUE;
1527 }
1528
1529 void
1530 ARDOUR_UI::redisplay_recent_sessions ()
1531 {
1532         std::vector<std::string> session_directories;
1533         RecentSessionsSorter cmp;
1534
1535         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1536         recent_session_model->clear ();
1537
1538         ARDOUR::RecentSessions rs;
1539         ARDOUR::read_recent_sessions (rs);
1540
1541         if (rs.empty()) {
1542                 recent_session_display.set_model (recent_session_model);
1543                 return;
1544         }
1545
1546         // sort them alphabetically
1547         sort (rs.begin(), rs.end(), cmp);
1548
1549         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1550                 session_directories.push_back ((*i).second);
1551         }
1552
1553         for (vector<std::string>::const_iterator i = session_directories.begin();
1554                         i != session_directories.end(); ++i)
1555         {
1556                 std::vector<std::string> state_file_paths;
1557
1558                 // now get available states for this session
1559
1560                 get_state_files_in_directory (*i, state_file_paths);
1561
1562                 vector<string> states;
1563                 vector<const gchar*> item;
1564                 string fullpath = *i;
1565
1566                 /* remove any trailing / */
1567
1568                 if (fullpath[fullpath.length() - 1] == '/') {
1569                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1570                 }
1571
1572                 /* check whether session still exists */
1573                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1574                         /* session doesn't exist */
1575                         continue;
1576                 }
1577
1578                 /* now get available states for this session */
1579                 states = Session::possible_states (fullpath);
1580
1581                 if (states.empty()) {
1582                         /* no state file? */
1583                         continue;
1584                 }
1585
1586                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1587
1588                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1589
1590                 row[recent_session_columns.fullpath] = fullpath;
1591                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1592
1593                 if (state_file_names.size() > 1) {
1594                         // multiple session files in the session directory - show the directory name.
1595                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1596
1597                         // add the children
1598                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1599                                         i2 != state_file_names.end(); ++i2)
1600                         {
1601
1602                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1603
1604                                 child_row[recent_session_columns.visible_name] = *i2;
1605                                 child_row[recent_session_columns.fullpath] = fullpath;
1606                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1607                         }
1608                 } else {
1609                         // only a single session file in the directory - show its actual name.
1610                         row[recent_session_columns.visible_name] = state_file_names.front ();
1611                 }
1612         }
1613
1614         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1615         recent_session_display.set_model (recent_session_model);
1616 }
1617
1618 void
1619 ARDOUR_UI::build_session_selector ()
1620 {
1621         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1622
1623         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1624
1625         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1626         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1627         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1628         recent_session_model = TreeStore::create (recent_session_columns);
1629         recent_session_display.set_model (recent_session_model);
1630         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1631         recent_session_display.set_headers_visible (false);
1632         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1633         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1634
1635         scroller->add (recent_session_display);
1636         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1637
1638         session_selector_window->set_name ("SessionSelectorWindow");
1639         session_selector_window->set_size_request (200, 400);
1640         session_selector_window->get_vbox()->pack_start (*scroller);
1641
1642         recent_session_display.show();
1643         scroller->show();
1644 }
1645
1646 void
1647 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1648 {
1649         session_selector_window->response (RESPONSE_ACCEPT);
1650 }
1651
1652 void
1653 ARDOUR_UI::open_recent_session ()
1654 {
1655         bool can_return = (_session != 0);
1656
1657         if (session_selector_window == 0) {
1658                 build_session_selector ();
1659         }
1660
1661         redisplay_recent_sessions ();
1662
1663         while (true) {
1664
1665                 ResponseType r = (ResponseType) session_selector_window->run ();
1666
1667                 switch (r) {
1668                 case RESPONSE_ACCEPT:
1669                         break;
1670                 default:
1671                         if (can_return) {
1672                                 session_selector_window->hide();
1673                                 return;
1674                         } else {
1675                                 exit (1);
1676                         }
1677                 }
1678
1679                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1680                         continue;
1681                 }
1682
1683                 session_selector_window->hide();
1684
1685                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1686
1687                 if (i == recent_session_model->children().end()) {
1688                         return;
1689                 }
1690
1691                 std::string path = (*i)[recent_session_columns.fullpath];
1692                 std::string state = (*i)[recent_session_columns.visible_name];
1693
1694                 _session_is_new = false;
1695
1696                 if (load_session (path, state) == 0) {
1697                         break;
1698                 }
1699
1700                 can_return = false;
1701         }
1702 }
1703
1704 bool
1705 ARDOUR_UI::check_audioengine ()
1706 {
1707         if (!AudioEngine::instance()->connected()) {
1708                 MessageDialog msg (string_compose (
1709                                            _("%1 is not connected to any audio backend.\n"
1710                                              "You cannot open or close sessions in this condition"),
1711                                            PROGRAM_NAME));
1712                 pop_back_splash (msg);
1713                 msg.run ();
1714                 return false;
1715         }
1716         return true;
1717 }
1718
1719 void
1720 ARDOUR_UI::open_session ()
1721 {
1722         if (!check_audioengine()) {
1723                 return;
1724
1725         }
1726
1727         /* popup selector window */
1728
1729         if (open_session_selector == 0) {
1730
1731                 /* ardour sessions are folders */
1732
1733                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1734                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1735                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1736                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1737
1738                 if (_session) {
1739                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1740                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1741                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1742                         open_session_selector->set_current_folder(session_parent_dir);
1743                 } else {
1744                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1745                 }
1746
1747                 string default_session_folder = Config->get_default_session_parent_dir();
1748                 try {
1749                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1750                         open_session_selector->add_shortcut_folder (default_session_folder);
1751                 }
1752                 catch (Glib::Error & e) {
1753                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1754                 }
1755
1756                 FileFilter session_filter;
1757                 session_filter.add_pattern (string_compose(X_("*%1"), ARDOUR::statefile_suffix));
1758                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1759                 open_session_selector->add_filter (session_filter);
1760                 open_session_selector->set_filter (session_filter);
1761         }
1762
1763         int response = open_session_selector->run();
1764         open_session_selector->hide ();
1765
1766         switch (response) {
1767         case RESPONSE_ACCEPT:
1768                 break;
1769         default:
1770                 open_session_selector->hide();
1771                 return;
1772         }
1773
1774         open_session_selector->hide();
1775         string session_path = open_session_selector->get_filename();
1776         string path, name;
1777         bool isnew;
1778
1779         if (session_path.length() > 0) {
1780                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1781                         _session_is_new = isnew;
1782                         load_session (path, name);
1783                 }
1784         }
1785 }
1786
1787
1788 void
1789 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1790                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1791 {
1792         list<boost::shared_ptr<MidiTrack> > tracks;
1793
1794         if (_session == 0) {
1795                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1796                 return;
1797         }
1798
1799         try {
1800                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1801
1802                 if (tracks.size() != how_many) {
1803                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1804                 }
1805         }
1806
1807         catch (...) {
1808                 MessageDialog msg (*editor,
1809                                    string_compose (_("There are insufficient ports available\n\
1810 to create a new track or bus.\n\
1811 You should save %1, exit and\n\
1812 restart with more ports."), PROGRAM_NAME));
1813                 msg.run ();
1814         }
1815 }
1816
1817
1818 void
1819 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1820 {
1821         ChanCount one_midi_channel;
1822         one_midi_channel.set (DataType::MIDI, 1);
1823
1824         if (disk) {
1825                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1826         }
1827 }
1828
1829 void
1830 ARDOUR_UI::session_add_audio_route (
1831         bool track,
1832         int32_t input_channels,
1833         int32_t output_channels,
1834         ARDOUR::TrackMode mode,
1835         RouteGroup* route_group,
1836         uint32_t how_many,
1837         string const & name_template
1838         )
1839 {
1840         list<boost::shared_ptr<AudioTrack> > tracks;
1841         RouteList routes;
1842
1843         if (_session == 0) {
1844                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1845                 return;
1846         }
1847
1848         try {
1849                 if (track) {
1850                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1851
1852                         if (tracks.size() != how_many) {
1853                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1854                                       << endmsg;
1855                         }
1856
1857                 } else {
1858
1859                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1860
1861                         if (routes.size() != how_many) {
1862                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1863                                       << endmsg;
1864                         }
1865                 }
1866         }
1867
1868         catch (...) {
1869                 MessageDialog msg (*editor,
1870                                    string_compose (_("There are insufficient ports available\n\
1871 to create a new track or bus.\n\
1872 You should save %1, exit and\n\
1873 restart with more ports."), PROGRAM_NAME));
1874                 pop_back_splash (msg);
1875                 msg.run ();
1876         }
1877 }
1878
1879 void
1880 ARDOUR_UI::transport_goto_start ()
1881 {
1882         if (_session) {
1883                 _session->goto_start();
1884
1885                 /* force displayed area in editor to start no matter
1886                    what "follow playhead" setting is.
1887                 */
1888
1889                 if (editor) {
1890                         editor->center_screen (_session->current_start_frame ());
1891                 }
1892         }
1893 }
1894
1895 void
1896 ARDOUR_UI::transport_goto_zero ()
1897 {
1898         if (_session) {
1899                 _session->request_locate (0);
1900
1901                 /* force displayed area in editor to start no matter
1902                    what "follow playhead" setting is.
1903                 */
1904
1905                 if (editor) {
1906                         editor->reset_x_origin (0);
1907                 }
1908         }
1909 }
1910
1911 void
1912 ARDOUR_UI::transport_goto_wallclock ()
1913 {
1914         if (_session && editor) {
1915
1916                 time_t now;
1917                 struct tm tmnow;
1918                 framepos_t frames;
1919
1920                 time (&now);
1921                 localtime_r (&now, &tmnow);
1922
1923                 int frame_rate = _session->frame_rate();
1924
1925                 if (frame_rate == 0) {
1926                         /* no frame rate available */
1927                         return;
1928                 }
1929
1930                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1931                 frames += tmnow.tm_min * (60 * frame_rate);
1932                 frames += tmnow.tm_sec * frame_rate;
1933
1934                 _session->request_locate (frames, _session->transport_rolling ());
1935
1936                 /* force displayed area in editor to start no matter
1937                    what "follow playhead" setting is.
1938                 */
1939
1940                 if (editor) {
1941                         editor->center_screen (frames);
1942                 }
1943         }
1944 }
1945
1946 void
1947 ARDOUR_UI::transport_goto_end ()
1948 {
1949         if (_session) {
1950                 framepos_t const frame = _session->current_end_frame();
1951                 _session->request_locate (frame);
1952
1953                 /* force displayed area in editor to start no matter
1954                    what "follow playhead" setting is.
1955                 */
1956
1957                 if (editor) {
1958                         editor->center_screen (frame);
1959                 }
1960         }
1961 }
1962
1963 void
1964 ARDOUR_UI::transport_stop ()
1965 {
1966         if (!_session) {
1967                 return;
1968         }
1969
1970         if (_session->is_auditioning()) {
1971                 _session->cancel_audition ();
1972                 return;
1973         }
1974
1975         _session->request_stop (false, true);
1976 }
1977
1978 /** Check if any tracks are record enabled. If none are, record enable all of them.
1979  * @return true if track record-enabled status was changed, false otherwise.
1980  */
1981 bool
1982 ARDOUR_UI::trx_record_enable_all_tracks ()
1983 {
1984         if (!_session) {
1985                 return false;
1986         }
1987
1988         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1989         bool none_record_enabled = true;
1990
1991         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1992                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1993                 assert (t);
1994
1995                 if (t->record_enabled()) {
1996                         none_record_enabled = false;
1997                         break;
1998                 }
1999         }
2000
2001         if (none_record_enabled) {
2002                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
2003         }
2004
2005         return none_record_enabled;
2006 }
2007
2008 void
2009 ARDOUR_UI::transport_record (bool roll)
2010 {
2011         if (_session) {
2012                 switch (_session->record_status()) {
2013                 case Session::Disabled:
2014                         if (_session->ntracks() == 0) {
2015                                 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."));
2016                                 msg.run ();
2017                                 return;
2018                         }
2019                         if (Profile->get_trx()) {
2020                                 roll = trx_record_enable_all_tracks ();
2021                         }
2022                         _session->maybe_enable_record ();
2023                         if (roll) {
2024                                 transport_roll ();
2025                         }
2026                         break;
2027                 case Session::Recording:
2028                         if (roll) {
2029                                 _session->request_stop();
2030                         } else {
2031                                 _session->disable_record (false, true);
2032                         }
2033                         break;
2034
2035                 case Session::Enabled:
2036                         _session->disable_record (false, true);
2037                 }
2038         }
2039 }
2040
2041 void
2042 ARDOUR_UI::transport_roll ()
2043 {
2044         if (!_session) {
2045                 return;
2046         }
2047
2048         if (_session->is_auditioning()) {
2049                 return;
2050         }
2051
2052 #if 0
2053         if (_session->config.get_external_sync()) {
2054                 switch (Config->get_sync_source()) {
2055                 case Engine:
2056                         break;
2057                 default:
2058                         /* transport controlled by the master */
2059                         return;
2060                 }
2061         }
2062 #endif
2063
2064         bool rolling = _session->transport_rolling();
2065
2066         if (_session->get_play_loop()) {
2067
2068                 /* If loop playback is not a mode, then we should cancel
2069                    it when this action is requested. If it is a mode
2070                    we just leave it in place.
2071                 */
2072
2073                 if (!Config->get_loop_is_mode()) {
2074                         /* XXX it is not possible to just leave seamless loop and keep
2075                            playing at present (nov 4th 2009)
2076                         */
2077                         if (!Config->get_seamless_loop()) {
2078                                 /* stop loop playback and stop rolling */
2079                                 _session->request_play_loop (false, true);
2080                         } else if (rolling) {
2081                                 /* stop loop playback but keep rolling */
2082                                 _session->request_play_loop (false, false);
2083                         }
2084                 }
2085
2086         } else if (_session->get_play_range () ) {
2087                 /* stop playing a range if we currently are */
2088                 _session->request_play_range (0, true);
2089         }
2090
2091         if (!rolling) {
2092                 _session->request_transport_speed (1.0f);
2093         }
2094 }
2095
2096 bool
2097 ARDOUR_UI::get_smart_mode() const
2098 {
2099         return ( editor->get_smart_mode() );
2100 }
2101
2102
2103 void
2104 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
2105 {
2106         if (!_session) {
2107                 return;
2108         }
2109
2110         if (_session->is_auditioning()) {
2111                 _session->cancel_audition ();
2112                 return;
2113         }
2114
2115         if (_session->config.get_external_sync()) {
2116                 switch (Config->get_sync_source()) {
2117                 case Engine:
2118                         break;
2119                 default:
2120                         /* transport controlled by the master */
2121                         return;
2122                 }
2123         }
2124
2125         bool rolling = _session->transport_rolling();
2126         bool affect_transport = true;
2127
2128         if (rolling && roll_out_of_bounded_mode) {
2129                 /* drop out of loop/range playback but leave transport rolling */
2130                 if (_session->get_play_loop()) {
2131                         if (Config->get_seamless_loop()) {
2132                                 /* the disk buffers contain copies of the loop - we can't
2133                                    just keep playing, so stop the transport. the user
2134                                    can restart as they wish.
2135                                 */
2136                                 affect_transport = true;
2137                         } else {
2138                                 /* disk buffers are normal, so we can keep playing */
2139                                 affect_transport = false;
2140                         }
2141                         _session->request_play_loop (false, affect_transport);
2142                 } else if (_session->get_play_range ()) {
2143                         affect_transport = false;
2144                         _session->request_play_range (0, true);
2145                 }
2146         }
2147
2148         if (affect_transport) {
2149                 if (rolling) {
2150                         _session->request_stop (with_abort, true);
2151                 } else {
2152                         if (ARDOUR_UI::config()->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
2153                                 _session->request_play_range (&editor->get_selection().time, true);
2154                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2155                         }
2156                         _session->request_transport_speed (1.0f);
2157                 }
2158         }
2159 }
2160
2161 void
2162 ARDOUR_UI::toggle_session_auto_loop ()
2163 {
2164         Location * looploc = _session->locations()->auto_loop_location();
2165
2166         if (!_session || !looploc) {
2167                 return;
2168         }
2169
2170         if (_session->get_play_loop()) {
2171
2172                 /* looping enabled, our job is to disable it */
2173
2174                 _session->request_play_loop (false);
2175
2176         } else {
2177
2178                 /* looping not enabled, our job is to enable it.
2179
2180                    loop-is-NOT-mode: this action always starts the transport rolling.
2181                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2182                                         does not start transport.
2183                 */
2184                 if (Config->get_loop_is_mode()) {
2185                         _session->request_play_loop (true, false);
2186                 } else {
2187                         _session->request_play_loop (true, true);
2188                 }
2189         }
2190
2191         //show the loop markers
2192         looploc->set_hidden (false, this);
2193 }
2194
2195 void
2196 ARDOUR_UI::transport_play_selection ()
2197 {
2198         if (!_session) {
2199                 return;
2200         }
2201
2202         editor->play_selection ();
2203 }
2204
2205 void
2206 ARDOUR_UI::transport_play_preroll ()
2207 {
2208         if (!_session) {
2209                 return;
2210         }
2211         editor->play_with_preroll ();
2212 }
2213
2214 void
2215 ARDOUR_UI::transport_rewind (int option)
2216 {
2217         float current_transport_speed;
2218
2219         if (_session) {
2220                 current_transport_speed = _session->transport_speed();
2221
2222                 if (current_transport_speed >= 0.0f) {
2223                         switch (option) {
2224                         case 0:
2225                                 _session->request_transport_speed (-1.0f);
2226                                 break;
2227                         case 1:
2228                                 _session->request_transport_speed (-4.0f);
2229                                 break;
2230                         case -1:
2231                                 _session->request_transport_speed (-0.5f);
2232                                 break;
2233                         }
2234                 } else {
2235                         /* speed up */
2236                         _session->request_transport_speed (current_transport_speed * 1.5f);
2237                 }
2238         }
2239 }
2240
2241 void
2242 ARDOUR_UI::transport_forward (int option)
2243 {
2244         if (!_session) {
2245                 return;
2246         }
2247
2248         float current_transport_speed = _session->transport_speed();
2249
2250         if (current_transport_speed <= 0.0f) {
2251                 switch (option) {
2252                 case 0:
2253                         _session->request_transport_speed (1.0f);
2254                         break;
2255                 case 1:
2256                         _session->request_transport_speed (4.0f);
2257                         break;
2258                 case -1:
2259                         _session->request_transport_speed (0.5f);
2260                         break;
2261                 }
2262         } else {
2263                 /* speed up */
2264                 _session->request_transport_speed (current_transport_speed * 1.5f);
2265         }
2266 }
2267
2268 void
2269 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2270 {
2271         if (!_session) {
2272                 return;
2273         }
2274
2275         boost::shared_ptr<Route> r;
2276
2277         if ((r = _session->route_by_remote_id (rid)) != 0) {
2278
2279                 Track* t;
2280
2281                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2282                         t->set_record_enabled (!t->record_enabled(), this);
2283                 }
2284         }
2285 }
2286
2287 void
2288 ARDOUR_UI::map_transport_state ()
2289 {
2290         if (!_session) {
2291                 auto_loop_button.unset_active_state ();
2292                 play_selection_button.unset_active_state ();
2293                 roll_button.unset_active_state ();
2294                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2295                 return;
2296         }
2297
2298         shuttle_box->map_transport_state ();
2299
2300         float sp = _session->transport_speed();
2301
2302         if (sp != 0.0f) {
2303
2304                 /* we're rolling */
2305
2306                 if (_session->get_play_range()) {
2307
2308                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2309                         roll_button.unset_active_state ();
2310                         auto_loop_button.unset_active_state ();
2311
2312                 } else if (_session->get_play_loop ()) {
2313
2314                         auto_loop_button.set_active (true);
2315                         play_selection_button.set_active (false);
2316                         if (Config->get_loop_is_mode()) {
2317                                 roll_button.set_active (true);
2318                         } else {
2319                                 roll_button.set_active (false);
2320                         }
2321
2322                 } else {
2323
2324                         roll_button.set_active (true);
2325                         play_selection_button.set_active (false);
2326                         auto_loop_button.set_active (false);
2327                 }
2328
2329                 if (ARDOUR_UI::config()->get_follow_edits()) {
2330                         /* light up both roll and play-selection if they are joined */
2331                         roll_button.set_active (true);
2332                         play_selection_button.set_active (true);
2333                 }
2334
2335                 stop_button.set_active (false);
2336
2337         } else {
2338
2339                 stop_button.set_active (true);
2340                 roll_button.set_active (false);
2341                 play_selection_button.set_active (false);
2342                 if (Config->get_loop_is_mode ()) {
2343                         auto_loop_button.set_active (_session->get_play_loop());
2344                 } else {
2345                         auto_loop_button.set_active (false);
2346                 }
2347                 update_disk_space ();
2348         }
2349 }
2350
2351 void
2352 ARDOUR_UI::blink_handler (bool blink_on)
2353 {
2354         transport_rec_enable_blink (blink_on);
2355         solo_blink (blink_on);
2356         sync_blink (blink_on);
2357         audition_blink (blink_on);
2358         feedback_blink (blink_on);
2359         error_blink (blink_on);
2360 }
2361
2362 void
2363 ARDOUR_UI::update_clocks ()
2364 {
2365         if (!_session) return;
2366
2367         if (editor && !editor->dragging_playhead()) {
2368                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD)); /* EMIT_SIGNAL */
2369         }
2370 }
2371
2372 void
2373 ARDOUR_UI::start_clocking ()
2374 {
2375         if (ui_config->get_super_rapid_clock_update()) {
2376                 clock_signal_connection = Timers::fps_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2377         } else {
2378                 clock_signal_connection = Timers::rapid_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2379         }
2380 }
2381
2382 void
2383 ARDOUR_UI::stop_clocking ()
2384 {
2385         clock_signal_connection.disconnect ();
2386 }
2387
2388 bool
2389 ARDOUR_UI::save_as_progress_update (float fraction, int64_t cnt, int64_t total, Gtk::Label* label, Gtk::ProgressBar* bar)
2390 {
2391         char buf[256];
2392
2393         snprintf (buf, sizeof (buf), _("Copied %" PRId64 " of %" PRId64), cnt, total);
2394
2395         label->set_text (buf);
2396         bar->set_fraction (fraction);
2397
2398         /* process events, redraws, etc. */
2399
2400         while (gtk_events_pending()) {
2401                 gtk_main_iteration ();
2402         }
2403
2404         return true; /* continue with save-as */
2405 }
2406
2407 void
2408 ARDOUR_UI::save_session_as ()
2409 {
2410         if (!_session) {
2411                 return;
2412         }
2413
2414         if (!save_as_dialog) {
2415                 save_as_dialog = new SaveAsDialog;
2416         } else {
2417                 save_as_dialog->clear_name ();
2418         }
2419
2420         int response = save_as_dialog->run ();
2421
2422         save_as_dialog->hide ();
2423
2424         switch (response) {
2425         case Gtk::RESPONSE_OK:
2426                 break;
2427         default:
2428                 return;
2429         }
2430
2431
2432         Session::SaveAs sa;
2433
2434         sa.new_parent_folder = save_as_dialog->new_parent_folder ();
2435         sa.new_name = save_as_dialog->new_name ();
2436         sa.switch_to = save_as_dialog->switch_to();
2437         sa.copy_media = save_as_dialog->copy_media();
2438         sa.copy_external = save_as_dialog->copy_external();
2439         sa.include_media = save_as_dialog->include_media ();
2440
2441         /* Only bother with a progress dialog if we're going to copy
2442            media into the save-as target. Without that choice, this
2443            will be very fast because we're only talking about a few kB's to
2444            perhaps a couple of MB's of data.
2445         */
2446
2447         ArdourDialog progress_dialog (_("Save As"), true);
2448
2449         if (sa.include_media && sa.copy_media) {
2450
2451                 Gtk::Label label;
2452                 Gtk::ProgressBar progress_bar;
2453
2454                 progress_dialog.get_vbox()->pack_start (label);
2455                 progress_dialog.get_vbox()->pack_start (progress_bar);
2456                 label.show ();
2457                 progress_bar.show ();
2458
2459                 /* this signal will be emitted from within this, the calling thread,
2460                  * after every file is copied. It provides information on percentage
2461                  * complete (in terms of total data to copy), the number of files
2462                  * copied so far, and the total number to copy.
2463                  */
2464
2465                 ScopedConnection c;
2466
2467                 sa.Progress.connect_same_thread (c, boost::bind (&ARDOUR_UI::save_as_progress_update, this, _1, _2, _3, &label, &progress_bar));
2468
2469                 progress_dialog.show_all ();
2470                 progress_dialog.present ();
2471         }
2472
2473         if (_session->save_as (sa)) {
2474                 /* ERROR MESSAGE */
2475                 MessageDialog msg (string_compose (_("Save As failed: %1"), sa.failure_message));
2476                 msg.run ();
2477         }
2478
2479         if (!sa.include_media) {
2480                 unload_session (false);
2481                 load_session (sa.final_session_folder_name, sa.new_name);
2482         }
2483 }
2484
2485 /** Ask the user for the name of a new snapshot and then take it.
2486  */
2487
2488 void
2489 ARDOUR_UI::snapshot_session (bool switch_to_it)
2490 {
2491         ArdourPrompter prompter (true);
2492         string snapname;
2493
2494         prompter.set_name ("Prompter");
2495         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2496         if (switch_to_it) {
2497                 prompter.set_title (_("Save as..."));
2498                 prompter.set_prompt (_("New session name"));
2499         } else {
2500                 prompter.set_title (_("Take Snapshot"));
2501                 prompter.set_prompt (_("Name of new snapshot"));
2502         }
2503
2504         if (!switch_to_it) {
2505                 char timebuf[128];
2506                 time_t n;
2507                 struct tm local_time;
2508
2509                 time (&n);
2510                 localtime_r (&n, &local_time);
2511                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2512                 prompter.set_initial_text (timebuf);
2513         }
2514
2515   again:
2516         switch (prompter.run()) {
2517         case RESPONSE_ACCEPT:
2518         {
2519                 prompter.get_result (snapname);
2520
2521                 bool do_save = (snapname.length() != 0);
2522
2523                 if (do_save) {
2524                         char illegal = Session::session_name_is_legal(snapname);
2525                         if (illegal) {
2526                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2527                                                      "snapshot names may not contain a '%1' character"), illegal));
2528                                 msg.run ();
2529                                 goto again;
2530                         }
2531                 }
2532
2533                 vector<std::string> p;
2534                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2535                 vector<string> n = get_file_names_no_extension (p);
2536                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2537
2538                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2539                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2540                         confirm.get_vbox()->pack_start (m, true, true);
2541                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2542                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2543                         confirm.show_all ();
2544                         switch (confirm.run()) {
2545                         case RESPONSE_CANCEL:
2546                                 do_save = false;
2547                         }
2548                 }
2549
2550                 if (do_save) {
2551                         save_state (snapname, switch_to_it);
2552                 }
2553                 break;
2554         }
2555
2556         default:
2557                 break;
2558         }
2559 }
2560
2561 /** Ask the user for a new session name and then rename the session to it.
2562  */
2563
2564 void
2565 ARDOUR_UI::rename_session ()
2566 {
2567         if (!_session) {
2568                 return;
2569         }
2570
2571         ArdourPrompter prompter (true);
2572         string name;
2573
2574         prompter.set_name ("Prompter");
2575         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2576         prompter.set_title (_("Rename Session"));
2577         prompter.set_prompt (_("New session name"));
2578
2579   again:
2580         switch (prompter.run()) {
2581         case RESPONSE_ACCEPT:
2582         {
2583                 prompter.get_result (name);
2584
2585                 bool do_rename = (name.length() != 0);
2586
2587                 if (do_rename) {
2588                         char illegal = Session::session_name_is_legal (name);
2589
2590                         if (illegal) {
2591                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2592                                                                      "session names may not contain a '%1' character"), illegal));
2593                                 msg.run ();
2594                                 goto again;
2595                         }
2596
2597                         switch (_session->rename (name)) {
2598                         case -1: {
2599                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2600                                 msg.set_position (WIN_POS_MOUSE);
2601                                 msg.run ();
2602                                 goto again;
2603                                 break;
2604                         }
2605                         case 0:
2606                                 break;
2607                         default: {
2608                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2609                                 msg.set_position (WIN_POS_MOUSE);
2610                                 msg.run ();
2611                                 break;
2612                         }
2613                         }
2614                 }
2615
2616                 break;
2617         }
2618
2619         default:
2620                 break;
2621         }
2622 }
2623
2624 void
2625 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2626 {
2627         XMLNode* node = new XMLNode (X_("UI"));
2628
2629         WM::Manager::instance().add_state (*node);
2630
2631         node->add_child_nocopy (gui_object_state->get_state());
2632
2633         _session->add_extra_xml (*node);
2634
2635         if (export_video_dialog) {
2636                 _session->add_extra_xml (export_video_dialog->get_state());
2637         }
2638
2639         save_state_canfail (name, switch_to_it);
2640 }
2641
2642 int
2643 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2644 {
2645         if (_session) {
2646                 int ret;
2647
2648                 if (name.length() == 0) {
2649                         name = _session->snap_name();
2650                 }
2651
2652                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2653                         return ret;
2654                 }
2655         }
2656
2657         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2658         return 0;
2659 }
2660
2661 void
2662 ARDOUR_UI::primary_clock_value_changed ()
2663 {
2664         if (_session) {
2665                 _session->request_locate (primary_clock->current_time ());
2666         }
2667 }
2668
2669 void
2670 ARDOUR_UI::big_clock_value_changed ()
2671 {
2672         if (_session) {
2673                 _session->request_locate (big_clock->current_time ());
2674         }
2675 }
2676
2677 void
2678 ARDOUR_UI::secondary_clock_value_changed ()
2679 {
2680         if (_session) {
2681                 _session->request_locate (secondary_clock->current_time ());
2682         }
2683 }
2684
2685 void
2686 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2687 {
2688         if (_session == 0) {
2689                 return;
2690         }
2691
2692         if (_session->step_editing()) {
2693                 return;
2694         }
2695
2696         Session::RecordState const r = _session->record_status ();
2697         bool const h = _session->have_rec_enabled_track ();
2698
2699         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2700                 if (onoff) {
2701                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2702                 } else {
2703                         rec_button.set_active_state (Gtkmm2ext::Off);
2704                 }
2705         } else if (r == Session::Recording && h) {
2706                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2707         } else {
2708                 rec_button.unset_active_state ();
2709         }
2710 }
2711
2712 void
2713 ARDOUR_UI::save_template ()
2714 {
2715         ArdourPrompter prompter (true);
2716         string name;
2717
2718         if (!check_audioengine()) {
2719                 return;
2720         }
2721
2722         prompter.set_name (X_("Prompter"));
2723         prompter.set_title (_("Save Template"));
2724         prompter.set_prompt (_("Name for template:"));
2725         prompter.set_initial_text(_session->name() + _("-template"));
2726         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2727
2728         switch (prompter.run()) {
2729         case RESPONSE_ACCEPT:
2730                 prompter.get_result (name);
2731
2732                 if (name.length()) {
2733                         _session->save_template (name);
2734                 }
2735                 break;
2736
2737         default:
2738                 break;
2739         }
2740 }
2741
2742 void
2743 ARDOUR_UI::edit_metadata ()
2744 {
2745         SessionMetadataEditor dialog;
2746         dialog.set_session (_session);
2747         dialog.grab_focus ();
2748         dialog.run ();
2749 }
2750
2751 void
2752 ARDOUR_UI::import_metadata ()
2753 {
2754         SessionMetadataImporter dialog;
2755         dialog.set_session (_session);
2756         dialog.run ();
2757 }
2758
2759 bool
2760 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2761 {
2762         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2763
2764         MessageDialog msg (str,
2765                            false,
2766                            Gtk::MESSAGE_WARNING,
2767                            Gtk::BUTTONS_YES_NO,
2768                            true);
2769
2770
2771         msg.set_name (X_("OpenExistingDialog"));
2772         msg.set_title (_("Open Existing Session"));
2773         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2774         msg.set_position (Gtk::WIN_POS_CENTER);
2775         pop_back_splash (msg);
2776
2777         switch (msg.run()) {
2778         case RESPONSE_YES:
2779                 return true;
2780                 break;
2781         }
2782         return false;
2783 }
2784
2785 int
2786 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2787 {
2788         BusProfile bus_profile;
2789
2790         if (nsm || Profile->get_sae()) {
2791
2792                 bus_profile.master_out_channels = 2;
2793                 bus_profile.input_ac = AutoConnectPhysical;
2794                 bus_profile.output_ac = AutoConnectMaster;
2795                 bus_profile.requested_physical_in = 0; // use all available
2796                 bus_profile.requested_physical_out = 0; // use all available
2797
2798         } else {
2799
2800                 /* get settings from advanced section of NSD */
2801
2802                 if (sd.create_master_bus()) {
2803                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2804                 } else {
2805                         bus_profile.master_out_channels = 0;
2806                 }
2807
2808                 if (sd.connect_inputs()) {
2809                         bus_profile.input_ac = AutoConnectPhysical;
2810                 } else {
2811                         bus_profile.input_ac = AutoConnectOption (0);
2812                 }
2813
2814                 bus_profile.output_ac = AutoConnectOption (0);
2815
2816                 if (sd.connect_outputs ()) {
2817                         if (sd.connect_outs_to_master()) {
2818                                 bus_profile.output_ac = AutoConnectMaster;
2819                         } else if (sd.connect_outs_to_physical()) {
2820                                 bus_profile.output_ac = AutoConnectPhysical;
2821                         }
2822                 }
2823
2824                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2825                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2826         }
2827
2828         if (build_session (session_path, session_name, bus_profile)) {
2829                 return -1;
2830         }
2831
2832         return 0;
2833 }
2834
2835 void
2836 ARDOUR_UI::load_from_application_api (const std::string& path)
2837 {
2838         ARDOUR_COMMAND_LINE::session_name = path;
2839
2840         if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2841                 /* /path/to/foo => /path/to/foo, foo */
2842                 load_session (path, basename_nosuffix (path));
2843         } else {
2844                 /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2845                 load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2846         }
2847 }
2848
2849 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2850 int
2851 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2852 {
2853         string session_name;
2854         string session_path;
2855         string template_name;
2856         int ret = -1;
2857         bool likely_new = false;
2858         bool cancel_not_quit;
2859
2860         /* deal with any existing DIRTY session now, rather than later. don't
2861          * treat a non-dirty session this way, so that it stays visible
2862          * as we bring up the new session dialog.
2863          */
2864
2865         if (_session && ARDOUR_UI::instance()->video_timeline) {
2866                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2867         }
2868
2869         /* if there is already a session, relabel the button
2870            on the SessionDialog so that we don't Quit directly
2871         */
2872         cancel_not_quit = (_session != 0);
2873
2874         if (_session && _session->dirty()) {
2875                 if (unload_session (false)) {
2876                         /* unload cancelled by user */
2877                         return 0;
2878                 }
2879                 ARDOUR_COMMAND_LINE::session_name = "";
2880         }
2881
2882         if (!load_template.empty()) {
2883                 should_be_new = true;
2884                 template_name = load_template;
2885         }
2886
2887         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2888         session_path = ARDOUR_COMMAND_LINE::session_name;
2889
2890         if (!session_path.empty()) {
2891                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2892                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2893                                 /* session/snapshot file, change path to be dir */
2894                                 session_path = Glib::path_get_dirname (session_path);
2895                         }
2896                 }
2897         }
2898
2899         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2900
2901         while (ret != 0) {
2902
2903                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2904
2905                         /* if they named a specific statefile, use it, otherwise they are
2906                            just giving a session folder, and we want to use it as is
2907                            to find the session.
2908                         */
2909
2910                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2911
2912                         if (suffix != string::npos) {
2913                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2914                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2915                                 session_name = Glib::path_get_basename (session_name);
2916                         } else {
2917                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2918                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2919                         }
2920                 } else {
2921                         session_path = "";
2922                         session_name = "";
2923                         session_dialog.clear_given ();
2924                 }
2925
2926                 if (should_be_new || session_name.empty()) {
2927                         /* need the dialog to get info from user */
2928
2929                         cerr << "run dialog\n";
2930
2931                         switch (session_dialog.run()) {
2932                         case RESPONSE_ACCEPT:
2933                                 break;
2934                         default:
2935                                 if (quit_on_cancel) {
2936                                         // JE - Currently (July 2014) this section can only get reached if the
2937                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2938                                         // point does NOT indicate an abnormal termination). Therefore, let's
2939                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2940                                         ARDOUR::cleanup ();
2941                                         pthread_cancel_all ();
2942
2943                                         exit (1);
2944                                 } else {
2945                                         return ret;
2946                                 }
2947                         }
2948
2949                         session_dialog.hide ();
2950                 }
2951
2952                 /* if we run the startup dialog again, offer more than just "new session" */
2953
2954                 should_be_new = false;
2955
2956                 session_name = session_dialog.session_name (likely_new);
2957                 session_path = session_dialog.session_folder ();
2958
2959                 if (nsm) {
2960                         likely_new = true;
2961                 }
2962
2963                 string::size_type suffix = session_name.find (statefile_suffix);
2964
2965                 if (suffix != string::npos) {
2966                         session_name = session_name.substr (0, suffix);
2967                 }
2968
2969                 /* this shouldn't happen, but we catch it just in case it does */
2970
2971                 if (session_name.empty()) {
2972                         continue;
2973                 }
2974
2975                 if (session_dialog.use_session_template()) {
2976                         template_name = session_dialog.session_template_name();
2977                         _session_is_new = true;
2978                 }
2979
2980                 if (session_name[0] == G_DIR_SEPARATOR ||
2981 #ifdef PLATFORM_WINDOWS
2982                     (session_name.length() > 3 && session_name[1] == ':' && session_name[2] == G_DIR_SEPARATOR)
2983 #else
2984                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2985                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)
2986 #endif
2987                          )
2988                 {
2989
2990                         /* absolute path or cwd-relative path specified for session name: infer session folder
2991                            from what was given.
2992                         */
2993
2994                         session_path = Glib::path_get_dirname (session_name);
2995                         session_name = Glib::path_get_basename (session_name);
2996
2997                 } else {
2998
2999                         session_path = session_dialog.session_folder();
3000
3001                         char illegal = Session::session_name_is_legal (session_name);
3002
3003                         if (illegal) {
3004                                 MessageDialog msg (session_dialog,
3005                                                    string_compose (_("To ensure compatibility with various systems\n"
3006                                                                      "session names may not contain a '%1' character"),
3007                                                                    illegal));
3008                                 msg.run ();
3009                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3010                                 continue;
3011                         }
3012                 }
3013
3014                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
3015
3016
3017                         if (likely_new && !nsm) {
3018
3019                                 std::string existing = Glib::build_filename (session_path, session_name);
3020
3021                                 if (!ask_about_loading_existing_session (existing)) {
3022                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3023                                         continue;
3024                                 }
3025                         }
3026
3027                         _session_is_new = false;
3028
3029                 } else {
3030
3031                         if (!likely_new) {
3032                                 pop_back_splash (session_dialog);
3033                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
3034                                 msg.run ();
3035                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3036                                 continue;
3037                         }
3038
3039                         char illegal = Session::session_name_is_legal(session_name);
3040
3041                         if (illegal) {
3042                                 pop_back_splash (session_dialog);
3043                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
3044                                                                                     "session names may not contain a '%1' character"), illegal));
3045                                 msg.run ();
3046                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3047                                 continue;
3048                         }
3049
3050                         _session_is_new = true;
3051                 }
3052
3053                 if (likely_new && template_name.empty()) {
3054
3055                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
3056
3057                 } else {
3058
3059                         ret = load_session (session_path, session_name, template_name);
3060
3061                         if (ret == -2) {
3062                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
3063                                 exit (1);
3064                         }
3065
3066                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
3067                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
3068                                 exit (1);
3069                         }
3070
3071                         /* clear this to avoid endless attempts to load the
3072                            same session.
3073                         */
3074
3075                         ARDOUR_COMMAND_LINE::session_name = "";
3076                 }
3077         }
3078
3079         return ret;
3080 }
3081
3082 void
3083 ARDOUR_UI::close_session()
3084 {
3085         if (!check_audioengine()) {
3086                 return;
3087         }
3088
3089         if (unload_session (true)) {
3090                 return;
3091         }
3092
3093         ARDOUR_COMMAND_LINE::session_name = "";
3094
3095         if (get_session_parameters (true, false)) {
3096                 exit (1);
3097         }
3098
3099         goto_editor_window ();
3100 }
3101
3102 /** @param snap_name Snapshot name (without .ardour suffix).
3103  *  @return -2 if the load failed because we are not connected to the AudioEngine.
3104  */
3105 int
3106 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
3107 {
3108         Session *new_session;
3109         int unload_status;
3110         int retval = -1;
3111
3112         if (_session) {
3113                 unload_status = unload_session ();
3114
3115                 if (unload_status < 0) {
3116                         goto out;
3117                 } else if (unload_status > 0) {
3118                         retval = 0;
3119                         goto out;
3120                 }
3121         }
3122
3123         session_loaded = false;
3124
3125         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
3126
3127         try {
3128                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
3129         }
3130
3131         /* this one is special */
3132
3133         catch (AudioEngine::PortRegistrationFailure& err) {
3134
3135                 MessageDialog msg (err.what(),
3136                                    true,
3137                                    Gtk::MESSAGE_INFO,
3138                                    Gtk::BUTTONS_CLOSE);
3139
3140                 msg.set_title (_("Port Registration Error"));
3141                 msg.set_secondary_text (_("Click the Close button to try again."));
3142                 msg.set_position (Gtk::WIN_POS_CENTER);
3143                 pop_back_splash (msg);
3144                 msg.present ();
3145
3146                 int response = msg.run ();
3147
3148                 msg.hide ();
3149
3150                 switch (response) {
3151                 case RESPONSE_CANCEL:
3152                         exit (1);
3153                 default:
3154                         break;
3155                 }
3156                 goto out;
3157         }
3158
3159         catch (...) {
3160
3161                 MessageDialog msg (string_compose(
3162                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
3163                                            path, snap_name),
3164                                    true,
3165                                    Gtk::MESSAGE_INFO,
3166                                    BUTTONS_OK);
3167
3168                 msg.set_title (_("Loading Error"));
3169                 msg.set_position (Gtk::WIN_POS_CENTER);
3170                 pop_back_splash (msg);
3171                 msg.present ();
3172                 (void) msg.run ();
3173                 msg.hide ();
3174
3175                 goto out;
3176         }
3177
3178         {
3179                 list<string> const u = new_session->unknown_processors ();
3180                 if (!u.empty()) {
3181                         MissingPluginDialog d (_session, u);
3182                         d.run ();
3183                 }
3184         }
3185
3186         if (!new_session->writable()) {
3187                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
3188                                    true,
3189                                    Gtk::MESSAGE_INFO,
3190                                    BUTTONS_OK);
3191
3192                 msg.set_title (_("Read-only Session"));
3193                 msg.set_position (Gtk::WIN_POS_CENTER);
3194                 pop_back_splash (msg);
3195                 msg.present ();
3196                 (void) msg.run ();
3197                 msg.hide ();
3198         }
3199
3200
3201         /* Now the session been created, add the transport controls */
3202         new_session->add_controllable(roll_controllable);
3203         new_session->add_controllable(stop_controllable);
3204         new_session->add_controllable(goto_start_controllable);
3205         new_session->add_controllable(goto_end_controllable);
3206         new_session->add_controllable(auto_loop_controllable);
3207         new_session->add_controllable(play_selection_controllable);
3208         new_session->add_controllable(rec_controllable);
3209
3210         set_session (new_session);
3211
3212         session_loaded = true;
3213
3214         goto_editor_window ();
3215
3216         if (_session) {
3217                 _session->set_clean ();
3218         }
3219
3220 #ifdef WINDOWS_VST_SUPPORT
3221         fst_stop_threading();
3222 #endif
3223
3224         flush_pending ();
3225
3226 #ifdef WINDOWS_VST_SUPPORT
3227         fst_start_threading();
3228 #endif
3229         retval = 0;
3230
3231   out:
3232         return retval;
3233 }
3234
3235 int
3236 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3237 {
3238         Session *new_session;
3239         int x;
3240
3241         session_loaded = false;
3242         x = unload_session ();
3243
3244         if (x < 0) {
3245                 return -1;
3246         } else if (x > 0) {
3247                 return 0;
3248         }
3249
3250         _session_is_new = true;
3251
3252         try {
3253                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3254         }
3255
3256         catch (...) {
3257
3258                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3259                 pop_back_splash (msg);
3260                 msg.run ();
3261                 return -1;
3262         }
3263
3264         /* Give the new session the default GUI state, if such things exist */
3265
3266         XMLNode* n;
3267         n = Config->instant_xml (X_("Editor"));
3268         if (n) {
3269                 n->remove_nodes_and_delete ("Selection"); // no not apply selection to new sessions.
3270                 new_session->add_instant_xml (*n, false);
3271         }
3272         n = Config->instant_xml (X_("Mixer"));
3273         if (n) {
3274                 new_session->add_instant_xml (*n, false);
3275         }
3276
3277         /* Put the playhead at 0 and scroll fully left */
3278         n = new_session->instant_xml (X_("Editor"));
3279         if (n) {
3280                 n->add_property (X_("playhead"), X_("0"));
3281                 n->add_property (X_("left-frame"), X_("0"));
3282         }
3283
3284         set_session (new_session);
3285
3286         session_loaded = true;
3287
3288         new_session->save_state(new_session->name());
3289
3290         return 0;
3291 }
3292
3293 void
3294 ARDOUR_UI::launch_chat ()
3295 {
3296 #ifdef __APPLE__
3297         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3298 #elif defined PLATFORM_WINDOWS
3299         open_uri("http://webchat.freenode.net/?channels=ardour-windows");
3300 #else
3301         open_uri("http://webchat.freenode.net/?channels=ardour");
3302 #endif
3303 }
3304
3305 void
3306 ARDOUR_UI::launch_manual ()
3307 {
3308         PBD::open_uri (Config->get_tutorial_manual_url());
3309 }
3310
3311 void
3312 ARDOUR_UI::launch_reference ()
3313 {
3314         PBD::open_uri (Config->get_reference_manual_url());
3315 }
3316
3317 void
3318 ARDOUR_UI::launch_tracker ()
3319 {
3320         PBD::open_uri ("http://tracker.ardour.org/bug_report_page.php");
3321 }
3322
3323 void
3324 ARDOUR_UI::launch_subscribe ()
3325 {
3326         PBD::open_uri ("https://community.ardour.org/s/subscribe");
3327 }
3328
3329 void
3330 ARDOUR_UI::launch_cheat_sheet ()
3331 {
3332 #ifdef __APPLE__
3333         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheat_sheet_osx.pdf");
3334 #else
3335         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheatsheet.pdf");
3336 #endif
3337 }
3338
3339 void
3340 ARDOUR_UI::launch_website ()
3341 {
3342         PBD::open_uri ("http://ardour.org");
3343 }
3344
3345 void
3346 ARDOUR_UI::launch_website_dev ()
3347 {
3348         PBD::open_uri ("http://ardour.org/development.html");
3349 }
3350
3351 void
3352 ARDOUR_UI::launch_forums ()
3353 {
3354         PBD::open_uri ("https://community.ardour.org/forums");
3355 }
3356
3357 void
3358 ARDOUR_UI::launch_howto_report ()
3359 {
3360         PBD::open_uri ("http://ardour.org/reporting_bugs");
3361 }
3362
3363 void
3364 ARDOUR_UI::loading_message (const std::string& msg)
3365 {
3366         if (ARDOUR_COMMAND_LINE::no_splash) {
3367                 return;
3368         }
3369
3370         if (!splash) {
3371                 show_splash ();
3372         }
3373
3374         splash->message (msg);
3375 }
3376
3377 void
3378 ARDOUR_UI::show_splash ()
3379 {
3380         if (splash == 0) {
3381                 try {
3382                         splash = new Splash;
3383                 } catch (...) {
3384                         return;
3385                 }
3386         }
3387
3388         splash->display ();
3389 }
3390
3391 void
3392 ARDOUR_UI::hide_splash ()
3393 {
3394         delete splash;
3395         splash = 0;
3396 }
3397
3398 void
3399 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3400 {
3401         size_t removed;
3402
3403         removed = rep.paths.size();
3404
3405         if (removed == 0) {
3406                 MessageDialog msgd (*editor,
3407                                     _("No files were ready for clean-up"),
3408                                     true,
3409                                     Gtk::MESSAGE_INFO,
3410                                     Gtk::BUTTONS_OK);
3411                 msgd.set_title (_("Clean-up"));
3412                 msgd.set_secondary_text (_("If this seems suprising, \n\
3413 check for any existing snapshots.\n\
3414 These may still include regions that\n\
3415 require some unused files to continue to exist."));
3416
3417                 msgd.run ();
3418                 return;
3419         }
3420
3421         ArdourDialog results (_("Clean-up"), true, false);
3422
3423         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3424             CleanupResultsModelColumns() {
3425                     add (visible_name);
3426                     add (fullpath);
3427             }
3428             Gtk::TreeModelColumn<std::string> visible_name;
3429             Gtk::TreeModelColumn<std::string> fullpath;
3430         };
3431
3432
3433         CleanupResultsModelColumns results_columns;
3434         Glib::RefPtr<Gtk::ListStore> results_model;
3435         Gtk::TreeView results_display;
3436
3437         results_model = ListStore::create (results_columns);
3438         results_display.set_model (results_model);
3439         results_display.append_column (list_title, results_columns.visible_name);
3440
3441         results_display.set_name ("CleanupResultsList");
3442         results_display.set_headers_visible (true);
3443         results_display.set_headers_clickable (false);
3444         results_display.set_reorderable (false);
3445
3446         Gtk::ScrolledWindow list_scroller;
3447         Gtk::Label txt;
3448         Gtk::VBox dvbox;
3449         Gtk::HBox dhbox;  // the hbox for the image and text
3450         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3451         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3452
3453         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3454
3455         const string dead_directory = _session->session_directory().dead_path();
3456
3457         /* subst:
3458            %1 - number of files removed
3459            %2 - location of "dead"
3460            %3 - size of files affected
3461            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3462         */
3463
3464         const char* bprefix;
3465         double space_adjusted = 0;
3466
3467         if (rep.space < 1000) {
3468                 bprefix = X_("");
3469                 space_adjusted = rep.space;
3470         } else if (rep.space < 1000000) {
3471                 bprefix = _("kilo");
3472                 space_adjusted = floorf((float)rep.space / 1000.0);
3473         } else if (rep.space < 1000000 * 1000) {
3474                 bprefix = _("mega");
3475                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3476         } else {
3477                 bprefix = _("giga");
3478                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3479         }
3480
3481         if (msg_delete) {
3482                 txt.set_markup (string_compose (P_("\
3483 The following file was deleted from %2,\n\
3484 releasing %3 %4bytes of disk space", "\
3485 The following %1 files were deleted from %2,\n\
3486 releasing %3 %4bytes of disk space", removed),
3487                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3488         } else {
3489                 txt.set_markup (string_compose (P_("\
3490 The following file was not in use and \n\
3491 has been moved to: %2\n\n\
3492 After a restart of %5\n\n\
3493 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3494 will release an additional %3 %4bytes of disk space.\n", "\
3495 The following %1 files were not in use and \n\
3496 have been moved to: %2\n\n\
3497 After a restart of %5\n\n\
3498 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3499 will release an additional %3 %4bytes of disk space.\n", removed),
3500                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3501         }
3502
3503         dhbox.pack_start (*dimage, true, false, 5);
3504         dhbox.pack_start (txt, true, false, 5);
3505
3506         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3507                 TreeModel::Row row = *(results_model->append());
3508                 row[results_columns.visible_name] = *i;
3509                 row[results_columns.fullpath] = *i;
3510         }
3511
3512         list_scroller.add (results_display);
3513         list_scroller.set_size_request (-1, 150);
3514         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3515
3516         dvbox.pack_start (dhbox, true, false, 5);
3517         dvbox.pack_start (list_scroller, true, false, 5);
3518         ddhbox.pack_start (dvbox, true, false, 5);
3519
3520         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3521         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3522         results.set_default_response (RESPONSE_CLOSE);
3523         results.set_position (Gtk::WIN_POS_MOUSE);
3524
3525         results_display.show();
3526         list_scroller.show();
3527         txt.show();
3528         dvbox.show();
3529         dhbox.show();
3530         ddhbox.show();
3531         dimage->show();
3532
3533         //results.get_vbox()->show();
3534         results.set_resizable (false);
3535
3536         results.run ();
3537
3538 }
3539
3540 void
3541 ARDOUR_UI::cleanup ()
3542 {
3543         if (_session == 0) {
3544                 /* shouldn't happen: menu item is insensitive */
3545                 return;
3546         }
3547
3548
3549         MessageDialog checker (_("Are you sure you want to clean-up?"),
3550                                 true,
3551                                 Gtk::MESSAGE_QUESTION,
3552                                 Gtk::BUTTONS_NONE);
3553
3554         checker.set_title (_("Clean-up"));
3555
3556         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3557 ALL undo/redo information will be lost if you clean-up.\n\
3558 Clean-up will move all unused files to a \"dead\" location."));
3559
3560         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3561         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3562         checker.set_default_response (RESPONSE_CANCEL);
3563
3564         checker.set_name (_("CleanupDialog"));
3565         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3566         checker.set_position (Gtk::WIN_POS_MOUSE);
3567
3568         switch (checker.run()) {
3569         case RESPONSE_ACCEPT:
3570                 break;
3571         default:
3572                 return;
3573         }
3574
3575         ARDOUR::CleanupReport rep;
3576
3577         editor->prepare_for_cleanup ();
3578
3579         /* do not allow flush until a session is reloaded */
3580
3581         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3582         if (act) {
3583                 act->set_sensitive (false);
3584         }
3585
3586         if (_session->cleanup_sources (rep)) {
3587                 editor->finish_cleanup ();
3588                 return;
3589         }
3590
3591         editor->finish_cleanup ();
3592
3593         checker.hide();
3594         display_cleanup_results (rep, _("Cleaned Files"), false);
3595 }
3596
3597 void
3598 ARDOUR_UI::flush_trash ()
3599 {
3600         if (_session == 0) {
3601                 /* shouldn't happen: menu item is insensitive */
3602                 return;
3603         }
3604
3605         ARDOUR::CleanupReport rep;
3606
3607         if (_session->cleanup_trash_sources (rep)) {
3608                 return;
3609         }
3610
3611         display_cleanup_results (rep, _("deleted file"), true);
3612 }
3613
3614 void
3615 ARDOUR_UI::setup_order_hint (AddRouteDialog::InsertAt place)
3616 {
3617         uint32_t order_hint = UINT32_MAX;
3618
3619         if (editor->get_selection().tracks.empty()) {
3620                 return;
3621         }
3622
3623         /*
3624           we want the new routes to have their order keys set starting from
3625           the highest order key in the selection + 1 (if available).
3626         */
3627
3628         if (place == AddRouteDialog::AfterSelection) {
3629                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.back());
3630                 if (rtav) {
3631                         order_hint = rtav->route()->order_key();
3632                         order_hint++;
3633                 }
3634         } else if (place == AddRouteDialog::BeforeSelection) {
3635                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.front());
3636                 if (rtav) {
3637                         order_hint = rtav->route()->order_key();
3638                 }
3639         } else if (place == AddRouteDialog::First) {
3640                 order_hint = 0;
3641         } else {
3642                 /* leave order_hint at UINT32_MAX */
3643         }
3644
3645         if (order_hint == UINT32_MAX) {
3646                 /** AddRouteDialog::Last or selection with first/last not a RouteTimeAxisView
3647                  * not setting an order hint will place new routes last.
3648                  */
3649                 return;
3650         }
3651
3652         _session->set_order_hint (order_hint);
3653
3654         /* create a gap in the existing route order keys to accomodate new routes.*/
3655         boost::shared_ptr <RouteList> rd = _session->get_routes();
3656         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3657                 boost::shared_ptr<Route> rt (*ri);
3658
3659                 if (rt->is_monitor()) {
3660                         continue;
3661                 }
3662
3663                 if (rt->order_key () >= order_hint) {
3664                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3665                 }
3666         }
3667 }
3668
3669 void
3670 ARDOUR_UI::add_route (Gtk::Window* /* ignored */)
3671 {
3672         int count;
3673
3674         if (!_session) {
3675                 return;
3676         }
3677
3678         if (add_route_dialog->is_visible()) {
3679                 /* we're already doing this */
3680                 return;
3681         }
3682
3683         ResponseType r = (ResponseType) add_route_dialog->run ();
3684
3685         add_route_dialog->hide();
3686
3687         switch (r) {
3688                 case RESPONSE_ACCEPT:
3689                         break;
3690                 default:
3691                         return;
3692                         break;
3693         }
3694
3695         if ((count = add_route_dialog->count()) <= 0) {
3696                 return;
3697         }
3698
3699         setup_order_hint(add_route_dialog->insert_at());
3700
3701         string template_path = add_route_dialog->track_template();
3702         DisplaySuspender ds;
3703
3704         if (!template_path.empty()) {
3705                 if (add_route_dialog->name_template_is_default())  {
3706                         _session->new_route_from_template (count, template_path, string());
3707                 } else {
3708                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3709                 }
3710                 return;
3711         }
3712
3713         ChanCount input_chan= add_route_dialog->channels ();
3714         ChanCount output_chan;
3715         string name_template = add_route_dialog->name_template ();
3716         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3717         RouteGroup* route_group = add_route_dialog->route_group ();
3718         AutoConnectOption oac = Config->get_output_auto_connect();
3719
3720         if (oac & AutoConnectMaster) {
3721                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3722                 output_chan.set (DataType::MIDI, 0);
3723         } else {
3724                 output_chan = input_chan;
3725         }
3726
3727         /* XXX do something with name template */
3728
3729         switch (add_route_dialog->type_wanted()) {
3730         case AddRouteDialog::AudioTrack:
3731                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3732                 break;
3733         case AddRouteDialog::MidiTrack:
3734                 session_add_midi_track (route_group, count, name_template, instrument);
3735                 break;
3736         case AddRouteDialog::MixedTrack:
3737                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3738                 break;
3739         case AddRouteDialog::AudioBus:
3740                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3741                 break;
3742         }
3743 }
3744
3745 void
3746 ARDOUR_UI::stop_video_server (bool ask_confirm)
3747 {
3748         if (!video_server_process && ask_confirm) {
3749                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3750         }
3751         if (video_server_process) {
3752                 if(ask_confirm) {
3753                         ArdourDialog confirm (_("Stop Video-Server"), true);
3754                         Label m (_("Do you really want to stop the Video Server?"));
3755                         confirm.get_vbox()->pack_start (m, true, true);
3756                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3757                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3758                         confirm.show_all ();
3759                         if (confirm.run() == RESPONSE_CANCEL) {
3760                                 return;
3761                         }
3762                 }
3763                 delete video_server_process;
3764                 video_server_process =0;
3765         }
3766 }
3767
3768 void
3769 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3770 {
3771   ARDOUR_UI::start_video_server( float_window, true);
3772 }
3773
3774 bool
3775 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3776 {
3777         if (!_session) {
3778                 return false;
3779         }
3780         if (popup_msg) {
3781                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3782                         if (video_server_process) {
3783                                 popup_error(_("The Video Server is already started."));
3784                         } else {
3785                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3786                         }
3787                 }
3788         }
3789
3790         int firsttime = 0;
3791         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3792                 if (firsttime++) {
3793                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3794                 }
3795                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3796                 if (float_window) {
3797                         video_server_dialog->set_transient_for (*float_window);
3798                 }
3799
3800                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3801                         video_server_dialog->hide();
3802                 } else {
3803                         ResponseType r = (ResponseType) video_server_dialog->run ();
3804                         video_server_dialog->hide();
3805                         if (r != RESPONSE_ACCEPT) { return false; }
3806                         if (video_server_dialog->show_again()) {
3807                                 Config->set_show_video_server_dialog(false);
3808                         }
3809                 }
3810
3811                 std::string icsd_exec = video_server_dialog->get_exec_path();
3812                 std::string icsd_docroot = video_server_dialog->get_docroot();
3813                 if (icsd_docroot.empty()) {
3814 #ifndef PLATFORM_WINDOWS
3815                         icsd_docroot = X_("/");
3816 #else
3817                         icsd_docroot = X_("C:\\");
3818 #endif
3819                 }
3820
3821                 GStatBuf sb;
3822                 if (g_lstat (icsd_docroot.c_str(), &sb) != 0 || !S_ISDIR(sb.st_mode)) {
3823                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3824                         continue;
3825                 }
3826 #ifndef PLATFORM_WINDOWS
3827                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3828                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3829                         warning << _("Given Video Server is not an executable file.") << endmsg;
3830                         continue;
3831                 }
3832 #else
3833                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3834                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3835                         warning << _("Given Video Server is not an executable file.") << endmsg;
3836                         continue;
3837                 }
3838 #endif
3839
3840                 char **argp;
3841                 argp=(char**) calloc(9,sizeof(char*));
3842                 argp[0] = strdup(icsd_exec.c_str());
3843                 argp[1] = strdup("-P");
3844                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3845                 argp[3] = strdup("-p");
3846                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3847                 argp[5] = strdup("-C");
3848                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3849                 argp[7] = strdup(icsd_docroot.c_str());
3850                 argp[8] = 0;
3851                 stop_video_server();
3852
3853                 if (icsd_docroot == X_("/") || icsd_docroot == X_("C:\\")) {
3854                         Config->set_video_advanced_setup(false);
3855                 } else {
3856                         std::ostringstream osstream;
3857                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3858                         Config->set_video_server_url(osstream.str());
3859                         Config->set_video_server_docroot(icsd_docroot);
3860                         Config->set_video_advanced_setup(true);
3861                 }
3862
3863                 if (video_server_process) {
3864                         delete video_server_process;
3865                 }
3866
3867                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3868                 if (video_server_process->start()) {
3869                         warning << _("Cannot launch the video-server") << endmsg;
3870                         continue;
3871                 }
3872                 int timeout = 120; // 6 sec
3873                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3874                         Glib::usleep (50000);
3875                         gui_idle_handler();
3876                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3877                 }
3878                 if (timeout <= 0) {
3879                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3880                 } else {
3881                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3882                                 delete video_server_process;
3883                                 video_server_process = 0;
3884                         }
3885                 }
3886         }
3887         return true;
3888 }
3889
3890 void
3891 ARDOUR_UI::add_video (Gtk::Window* float_window)
3892 {
3893         if (!_session) {
3894                 return;
3895         }
3896
3897         if (!start_video_server(float_window, false)) {
3898                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3899                 return;
3900         }
3901
3902         if (float_window) {
3903                 add_video_dialog->set_transient_for (*float_window);
3904         }
3905
3906         if (add_video_dialog->is_visible()) {
3907                 /* we're already doing this */
3908                 return;
3909         }
3910
3911         ResponseType r = (ResponseType) add_video_dialog->run ();
3912         add_video_dialog->hide();
3913         if (r != RESPONSE_ACCEPT) { return; }
3914
3915         bool local_file, orig_local_file;
3916         std::string path = add_video_dialog->file_name(local_file);
3917
3918         std::string orig_path = path;
3919         orig_local_file = local_file;
3920
3921         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3922
3923         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3924                 warning << string_compose(_("could not open %1"), path) << endmsg;
3925                 return;
3926         }
3927         if (!local_file && path.length() == 0) {
3928                 warning << _("no video-file selected") << endmsg;
3929                 return;
3930         }
3931
3932         switch (add_video_dialog->import_option()) {
3933                 case VTL_IMPORT_TRANSCODE:
3934                         {
3935                                 TranscodeVideoDialog *transcode_video_dialog;
3936                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3937                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3938                                 transcode_video_dialog->hide();
3939                                 if (r != RESPONSE_ACCEPT) {
3940                                         delete transcode_video_dialog;
3941                                         return;
3942                                 }
3943                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3944                                         editor->embed_audio_from_video(
3945                                                         transcode_video_dialog->get_audiofile(),
3946                                                         video_timeline->get_offset(),
3947                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3948                                                         );
3949                                 }
3950                                 switch (transcode_video_dialog->import_option()) {
3951                                         case VTL_IMPORT_TRANSCODED:
3952                                                 path = transcode_video_dialog->get_filename();
3953                                                 local_file = true;
3954                                                 break;
3955                                         case VTL_IMPORT_REFERENCE:
3956                                                 break;
3957                                         default:
3958                                                 delete transcode_video_dialog;
3959                                                 return;
3960                                 }
3961                                 delete transcode_video_dialog;
3962                         }
3963                         break;
3964                 default:
3965                 case VTL_IMPORT_NONE:
3966                         break;
3967         }
3968
3969         /* strip _session->session_directory().video_path() from video file if possible */
3970         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3971                  path=path.substr(_session->session_directory().video_path().size());
3972                  if (path.at(0) == G_DIR_SEPARATOR) {
3973                          path=path.substr(1);
3974                  }
3975         }
3976
3977         video_timeline->set_update_session_fps(auto_set_session_fps);
3978         if (video_timeline->video_file_info(path, local_file)) {
3979                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3980                 node->add_property (X_("Filename"), path);
3981                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3982                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3983                 if (orig_local_file) {
3984                         node->add_property (X_("OriginalVideoFile"), orig_path);
3985                 } else {
3986                         node->remove_property (X_("OriginalVideoFile"));
3987                 }
3988                 _session->add_extra_xml (*node);
3989                 _session->set_dirty ();
3990
3991                 _session->maybe_update_session_range(
3992                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3993                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3994
3995
3996                 if (add_video_dialog->launch_xjadeo() && local_file) {
3997                         editor->set_xjadeo_sensitive(true);
3998                         editor->toggle_xjadeo_proc(1);
3999                 } else {
4000                         editor->toggle_xjadeo_proc(0);
4001                 }
4002                 editor->toggle_ruler_video(true);
4003         }
4004 }
4005
4006 void
4007 ARDOUR_UI::remove_video ()
4008 {
4009         video_timeline->close_session();
4010         editor->toggle_ruler_video(false);
4011
4012         /* reset state */
4013         video_timeline->set_offset_locked(false);
4014         video_timeline->set_offset(0);
4015
4016         /* delete session state */
4017         XMLNode* node = new XMLNode(X_("Videotimeline"));
4018         _session->add_extra_xml(*node);
4019         node = new XMLNode(X_("Videomonitor"));
4020         _session->add_extra_xml(*node);
4021         node = new XMLNode(X_("Videoexport"));
4022         _session->add_extra_xml(*node);
4023         stop_video_server();
4024 }
4025
4026 void
4027 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
4028 {
4029         if (localcacheonly) {
4030                 video_timeline->vmon_update();
4031         } else {
4032                 video_timeline->flush_cache();
4033         }
4034         editor->queue_visual_videotimeline_update();
4035 }
4036
4037 void
4038 ARDOUR_UI::export_video (bool range)
4039 {
4040         if (ARDOUR::Config->get_show_video_export_info()) {
4041                 ExportVideoInfobox infobox (_session);
4042                 Gtk::ResponseType rv = (Gtk::ResponseType) infobox.run();
4043                 if (infobox.show_again()) {
4044                         ARDOUR::Config->set_show_video_export_info(false);
4045                 }
4046                 switch (rv) {
4047                         case GTK_RESPONSE_YES:
4048                                 PBD::open_uri (ARDOUR::Config->get_reference_manual_url() + "/video-timeline/operations/#export");
4049                                 break;
4050                         default:
4051                                 break;
4052                 }
4053         }
4054         export_video_dialog->set_session (_session);
4055         export_video_dialog->apply_state(editor->get_selection().time, range);
4056         export_video_dialog->run ();
4057         export_video_dialog->hide ();
4058 }
4059
4060 XMLNode*
4061 ARDOUR_UI::mixer_settings () const
4062 {
4063         XMLNode* node = 0;
4064
4065         if (_session) {
4066                 node = _session->instant_xml(X_("Mixer"));
4067         } else {
4068                 node = Config->instant_xml(X_("Mixer"));
4069         }
4070
4071         if (!node) {
4072                 node = new XMLNode (X_("Mixer"));
4073         }
4074
4075         return node;
4076 }
4077
4078 XMLNode*
4079 ARDOUR_UI::editor_settings () const
4080 {
4081         XMLNode* node = 0;
4082
4083         if (_session) {
4084                 node = _session->instant_xml(X_("Editor"));
4085         } else {
4086                 node = Config->instant_xml(X_("Editor"));
4087         }
4088
4089         if (!node) {
4090                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
4091                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
4092                 }
4093         }
4094
4095         if (!node) {
4096                 node = new XMLNode (X_("Editor"));
4097         }
4098
4099         return node;
4100 }
4101
4102 XMLNode*
4103 ARDOUR_UI::keyboard_settings () const
4104 {
4105         XMLNode* node = 0;
4106
4107         node = Config->extra_xml(X_("Keyboard"));
4108
4109         if (!node) {
4110                 node = new XMLNode (X_("Keyboard"));
4111         }
4112
4113         return node;
4114 }
4115
4116 void
4117 ARDOUR_UI::create_xrun_marker (framepos_t where)
4118 {
4119         if (_session) {
4120                 Location *location = new Location (*_session, where, where, _("xrun"), Location::IsMark);
4121                 _session->locations()->add (location);
4122         }
4123 }
4124
4125 void
4126 ARDOUR_UI::halt_on_xrun_message ()
4127 {
4128         cerr << "HALT on xrun\n";
4129         MessageDialog msg (*editor, _("Recording was stopped because your system could not keep up."));
4130         msg.run ();
4131 }
4132
4133 void
4134 ARDOUR_UI::xrun_handler (framepos_t where)
4135 {
4136         if (!_session) {
4137                 return;
4138         }
4139
4140         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
4141
4142         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
4143                 create_xrun_marker(where);
4144         }
4145
4146         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
4147                 halt_on_xrun_message ();
4148         }
4149 }
4150
4151 void
4152 ARDOUR_UI::disk_overrun_handler ()
4153 {
4154         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
4155
4156         if (!have_disk_speed_dialog_displayed) {
4157                 have_disk_speed_dialog_displayed = true;
4158                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
4159 The disk system on your computer\n\
4160 was not able to keep up with %1.\n\
4161 \n\
4162 Specifically, it failed to write data to disk\n\
4163 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
4164                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4165                 msg->show ();
4166         }
4167 }
4168
4169
4170 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
4171 static MessageDialog *scan_dlg = NULL;
4172 static ProgressBar   *scan_pbar = NULL;
4173 static HBox          *scan_tbox = NULL;
4174
4175 void
4176 ARDOUR_UI::cancel_plugin_scan ()
4177 {
4178         PluginManager::instance().cancel_plugin_scan();
4179 }
4180
4181 void
4182 ARDOUR_UI::cancel_plugin_timeout ()
4183 {
4184         PluginManager::instance().cancel_plugin_timeout();
4185         scan_tbox->hide();
4186 }
4187
4188 void
4189 ARDOUR_UI::plugin_scan_timeout (int timeout)
4190 {
4191         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
4192                 return;
4193         }
4194         if (timeout > 0) {
4195                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
4196                 scan_tbox->show();
4197         } else {
4198                 scan_tbox->hide();
4199         }
4200         gui_idle_handler();
4201 }
4202
4203 void
4204 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
4205 {
4206         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
4207                 return;
4208         }
4209
4210         const bool cancelled = PluginManager::instance().cancelled();
4211         if (type != X_("closeme") && !ui_config->get_show_plugin_scan_window()) {
4212                 if (cancelled && scan_dlg->is_mapped()) {
4213                         scan_dlg->hide();
4214                         gui_idle_handler();
4215                         return;
4216                 }
4217                 if (cancelled || !can_cancel) {
4218                         return;
4219                 }
4220         }
4221
4222         static Gtk::Button *cancel_button;
4223         static Gtk::Button *timeout_button;
4224         if (!scan_dlg) {
4225                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
4226                 VBox* vbox = scan_dlg->get_vbox();
4227                 vbox->set_size_request(400,-1);
4228                 scan_dlg->set_title (_("Scanning for plugins"));
4229
4230                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
4231                 cancel_button->set_name ("EditorGTKButton");
4232                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
4233                 cancel_button->show();
4234
4235                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
4236
4237                 scan_tbox = manage( new HBox() );
4238
4239                 timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
4240                 timeout_button->set_name ("EditorGTKButton");
4241                 timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
4242                 timeout_button->show();
4243
4244                 scan_pbar = manage(new ProgressBar());
4245                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
4246                 scan_pbar->set_text(_("Scan Timeout"));
4247                 scan_pbar->show();
4248
4249                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
4250                 scan_tbox->pack_start (*timeout_button, PACK_SHRINK, 4);
4251
4252                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
4253         }
4254
4255         assert(scan_dlg && scan_tbox && cancel_button);
4256
4257         if (type == X_("closeme")) {
4258                 scan_dlg->hide();
4259         } else {
4260                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
4261                 scan_dlg->show();
4262         }
4263         if (!can_cancel || !cancelled) {
4264                 scan_tbox->hide();
4265         }
4266         cancel_button->set_sensitive(can_cancel && !cancelled);
4267
4268         gui_idle_handler();
4269 }
4270
4271 void
4272 ARDOUR_UI::gui_idle_handler ()
4273 {
4274         int timeout = 30;
4275         /* due to idle calls, gtk_events_pending() may always return true */
4276         while (gtk_events_pending() && --timeout) {
4277                 gtk_main_iteration ();
4278         }
4279 }
4280
4281 void
4282 ARDOUR_UI::disk_underrun_handler ()
4283 {
4284         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
4285
4286         if (!have_disk_speed_dialog_displayed) {
4287                 have_disk_speed_dialog_displayed = true;
4288                 MessageDialog* msg = new MessageDialog (
4289                         *editor, string_compose (_("The disk system on your computer\n\
4290 was not able to keep up with %1.\n\
4291 \n\
4292 Specifically, it failed to read data from disk\n\
4293 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
4294                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4295                 msg->show ();
4296         }
4297 }
4298
4299 void
4300 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
4301 {
4302         have_disk_speed_dialog_displayed = false;
4303         delete msg;
4304 }
4305
4306 void
4307 ARDOUR_UI::session_dialog (std::string msg)
4308 {
4309         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4310
4311         MessageDialog* d;
4312
4313         if (editor) {
4314                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4315         } else {
4316                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4317         }
4318
4319         d->show_all ();
4320         d->run ();
4321         delete d;
4322 }
4323
4324 int
4325 ARDOUR_UI::pending_state_dialog ()
4326 {
4327         HBox* hbox = manage (new HBox());
4328         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4329         ArdourDialog dialog (_("Crash Recovery"), true);
4330         Label  message (string_compose (_("\
4331 This session appears to have been in the\n\
4332 middle of recording when %1 or\n\
4333 the computer was shutdown.\n\
4334 \n\
4335 %1 can recover any captured audio for\n\
4336 you, or it can ignore it. Please decide\n\
4337 what you would like to do.\n"), PROGRAM_NAME));
4338         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4339         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4340         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4341         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4342         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4343         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4344         dialog.set_default_response (RESPONSE_ACCEPT);
4345         dialog.set_position (WIN_POS_CENTER);
4346         message.show();
4347         image->show();
4348         hbox->show();
4349
4350         switch (dialog.run ()) {
4351         case RESPONSE_ACCEPT:
4352                 return 1;
4353         default:
4354                 return 0;
4355         }
4356 }
4357
4358 int
4359 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4360 {
4361         HBox* hbox = new HBox();
4362         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4363         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4364         Label  message (string_compose (_("\
4365 This session was created with a sample rate of %1 Hz, but\n\
4366 %2 is currently running at %3 Hz.  If you load this session,\n\
4367 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4368
4369         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4370         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4371         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4372         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4373         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4374         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4375         dialog.set_default_response (RESPONSE_ACCEPT);
4376         dialog.set_position (WIN_POS_CENTER);
4377         message.show();
4378         image->show();
4379         hbox->show();
4380
4381         switch (dialog.run()) {
4382         case RESPONSE_ACCEPT:
4383                 return 0;
4384         default:
4385                 break;
4386         }
4387
4388         return 1;
4389 }
4390
4391 int
4392 ARDOUR_UI::disconnect_from_engine ()
4393 {
4394         /* drop connection to AudioEngine::Halted so that we don't act
4395          *  as if the engine unexpectedly shut down
4396          */
4397
4398         halt_connection.disconnect ();
4399
4400         if (AudioEngine::instance()->stop ()) {
4401                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4402                 msg.run ();
4403                 return -1;
4404         } else {
4405                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4406         }
4407
4408         update_sample_rate (0);
4409         return 0;
4410 }
4411
4412 int
4413 ARDOUR_UI::reconnect_to_engine ()
4414 {
4415         if (AudioEngine::instance()->start ()) {
4416                 // TODO somehow make this the topmost window (above any dialogs currently visible)
4417                 if (editor) {
4418                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4419                         msg.run ();
4420                 } else {
4421                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4422                         msg.run ();
4423                 }
4424                 return -1;
4425         }
4426
4427         update_sample_rate (0);
4428         return 0;
4429 }
4430
4431 void
4432 ARDOUR_UI::use_config ()
4433 {
4434         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4435         if (node) {
4436                 set_transport_controllable_state (*node);
4437         }
4438 }
4439
4440 void
4441 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4442 {
4443         if (ui_config->get_primary_clock_delta_edit_cursor()) {
4444                 primary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4445         } else {
4446                 primary_clock->set (pos);
4447         }
4448
4449         if (ui_config->get_secondary_clock_delta_edit_cursor()) {
4450                 secondary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4451         } else {
4452                 secondary_clock->set (pos);
4453         }
4454
4455         if (big_clock_window) {
4456                 big_clock->set (pos);
4457         }
4458         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4459 }
4460
4461 void
4462 ARDOUR_UI::step_edit_status_change (bool yn)
4463 {
4464         // XXX should really store pre-step edit status of things
4465         // we make insensitive
4466
4467         if (yn) {
4468                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4469                 rec_button.set_sensitive (false);
4470         } else {
4471                 rec_button.unset_active_state ();;
4472                 rec_button.set_sensitive (true);
4473         }
4474 }
4475
4476 void
4477 ARDOUR_UI::record_state_changed ()
4478 {
4479         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4480
4481         if (!_session || !big_clock_window) {
4482                 /* why bother - the clock isn't visible */
4483                 return;
4484         }
4485
4486         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4487                 big_clock->set_active (true);
4488         } else {
4489                 big_clock->set_active (false);
4490         }
4491 }
4492
4493 bool
4494 ARDOUR_UI::first_idle ()
4495 {
4496         if (_session) {
4497                 _session->allow_auto_play (true);
4498         }
4499
4500         if (editor) {
4501                 editor->first_idle();
4502         }
4503
4504         Keyboard::set_can_save_keybindings (true);
4505         return false;
4506 }
4507
4508 void
4509 ARDOUR_UI::store_clock_modes ()
4510 {
4511         XMLNode* node = new XMLNode(X_("ClockModes"));
4512
4513         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4514                 XMLNode* child = new XMLNode (X_("Clock"));
4515
4516                 child->add_property (X_("name"), (*x)->name());
4517                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4518                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4519
4520                 node->add_child_nocopy (*child);
4521         }
4522
4523         _session->add_extra_xml (*node);
4524         _session->set_dirty ();
4525 }
4526
4527 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4528         : Controllable (name), ui (u), type(tp)
4529 {
4530
4531 }
4532
4533 void
4534 ARDOUR_UI::TransportControllable::set_value (double val)
4535 {
4536         if (val < 0.5) {
4537                 /* do nothing: these are radio-style actions */
4538                 return;
4539         }
4540
4541         const char *action = 0;
4542
4543         switch (type) {
4544         case Roll:
4545                 action = X_("Roll");
4546                 break;
4547         case Stop:
4548                 action = X_("Stop");
4549                 break;
4550         case GotoStart:
4551                 action = X_("GotoStart");
4552                 break;
4553         case GotoEnd:
4554                 action = X_("GotoEnd");
4555                 break;
4556         case AutoLoop:
4557                 action = X_("Loop");
4558                 break;
4559         case PlaySelection:
4560                 action = X_("PlaySelection");
4561                 break;
4562         case RecordEnable:
4563                 action = X_("Record");
4564                 break;
4565         default:
4566                 break;
4567         }
4568
4569         if (action == 0) {
4570                 return;
4571         }
4572
4573         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4574
4575         if (act) {
4576                 act->activate ();
4577         }
4578 }
4579
4580 double
4581 ARDOUR_UI::TransportControllable::get_value (void) const
4582 {
4583         float val = 0.0;
4584
4585         switch (type) {
4586         case Roll:
4587                 break;
4588         case Stop:
4589                 break;
4590         case GotoStart:
4591                 break;
4592         case GotoEnd:
4593                 break;
4594         case AutoLoop:
4595                 break;
4596         case PlaySelection:
4597                 break;
4598         case RecordEnable:
4599                 break;
4600         default:
4601                 break;
4602         }
4603
4604         return val;
4605 }
4606
4607 void
4608 ARDOUR_UI::setup_profile ()
4609 {
4610         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4611                 Profile->set_small_screen ();
4612         }
4613
4614         if (g_getenv ("ARDOUR_SAE")) {
4615                 Profile->set_sae ();
4616                 Profile->set_single_package ();
4617         }
4618
4619         if (g_getenv ("TRX")) {
4620                 Profile->set_trx ();
4621         }
4622
4623         if (g_getenv ("MIXBUS")) {
4624                 Profile->set_mixbus ();
4625         }
4626 }
4627
4628 int
4629 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4630 {
4631         MissingFileDialog dialog (s, str, type);
4632
4633         dialog.show ();
4634         dialog.present ();
4635
4636         int result = dialog.run ();
4637         dialog.hide ();
4638
4639         switch (result) {
4640         case RESPONSE_OK:
4641                 break;
4642         default:
4643                 return 1; // quit entire session load
4644         }
4645
4646         result = dialog.get_action ();
4647
4648         return result;
4649 }
4650
4651 int
4652 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4653 {
4654         AmbiguousFileDialog dialog (file, hits);
4655
4656         dialog.show ();
4657         dialog.present ();
4658
4659         dialog.run ();
4660         return dialog.get_which ();
4661 }
4662
4663 /** Allocate our thread-local buffers */
4664 void
4665 ARDOUR_UI::get_process_buffers ()
4666 {
4667         _process_thread->get_buffers ();
4668 }
4669
4670 /** Drop our thread-local buffers */
4671 void
4672 ARDOUR_UI::drop_process_buffers ()
4673 {
4674         _process_thread->drop_buffers ();
4675 }
4676
4677 void
4678 ARDOUR_UI::feedback_detected ()
4679 {
4680         _feedback_exists = true;
4681 }
4682
4683 void
4684 ARDOUR_UI::successful_graph_sort ()
4685 {
4686         _feedback_exists = false;
4687 }
4688
4689 void
4690 ARDOUR_UI::midi_panic ()
4691 {
4692         if (_session) {
4693                 _session->midi_panic();
4694         }
4695 }
4696
4697 void
4698 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4699 {
4700         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4701         const char* end_big = "</span>";
4702         const char* start_mono = "<tt>";
4703         const char* end_mono = "</tt>";
4704
4705         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4706                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4707                                              "From now on, use the -2000 version with older versions of %3"),
4708                                            xml_path, backup_path, PROGRAM_NAME,
4709                                            start_big, end_big,
4710                                            start_mono, end_mono), true);
4711
4712         msg.run ();
4713 }
4714
4715
4716 void
4717 ARDOUR_UI::reset_peak_display ()
4718 {
4719         if (!_session || !_session->master_out() || !editor_meter) return;
4720         editor_meter->clear_meters();
4721         editor_meter_max_peak = -INFINITY;
4722         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4723 }
4724
4725 void
4726 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4727 {
4728         if (!_session || !_session->master_out()) return;
4729         if (group == _session->master_out()->route_group()) {
4730                 reset_peak_display ();
4731         }
4732 }
4733
4734 void
4735 ARDOUR_UI::reset_route_peak_display (Route* route)
4736 {
4737         if (!_session || !_session->master_out()) return;
4738         if (_session->master_out().get() == route) {
4739                 reset_peak_display ();
4740         }
4741 }
4742
4743 int
4744 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4745 {
4746         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4747         audio_midi_setup->set_position (WIN_POS_CENTER);
4748
4749         switch (audio_midi_setup->run()) {
4750         case Gtk::RESPONSE_OK:
4751                 return 0;
4752         case Gtk::RESPONSE_APPLY:
4753                 return 0;
4754         default:
4755                 return -1;
4756         }
4757 }
4758
4759
4760 gint
4761 ARDOUR_UI::transport_numpad_timeout ()
4762 {
4763         _numpad_locate_happening = false;
4764         if (_numpad_timeout_connection.connected() )
4765                 _numpad_timeout_connection.disconnect();
4766         return 1;
4767 }
4768
4769 void
4770 ARDOUR_UI::transport_numpad_decimal ()
4771 {
4772         _numpad_timeout_connection.disconnect();
4773
4774         if (_numpad_locate_happening) {
4775                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4776                 _numpad_locate_happening = false;
4777         } else {
4778                 _pending_locate_num = 0;
4779                 _numpad_locate_happening = true;
4780                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4781         }
4782 }
4783
4784 void
4785 ARDOUR_UI::transport_numpad_event (int num)
4786 {
4787         if ( _numpad_locate_happening ) {
4788                 _pending_locate_num = _pending_locate_num*10 + num;
4789         } else {
4790                 switch (num) {
4791                 case 0:  toggle_roll(false, false);  break;
4792                 case 1:  transport_rewind(1);        break;
4793                 case 2:  transport_forward(1);       break;
4794                 case 3:  transport_record(true);     break;
4795                 case 4:  toggle_session_auto_loop(); break;
4796                 case 5:  transport_record(false); toggle_session_auto_loop();   break;
4797                 case 6:  toggle_punch();                                        break;
4798                 case 7:  toggle_click();             break;
4799                 case 8:  toggle_all_auto_return ();  break;
4800                 case 9:  toggle_follow_edits();      break;
4801                 }
4802         }
4803 }
4804
4805 void
4806 ARDOUR_UI::set_flat_buttons ()
4807 {
4808         CairoWidget::set_flat_buttons( config()->get_flat_buttons() );
4809 }
4810
4811 void
4812 ARDOUR_UI::audioengine_became_silent ()
4813 {
4814         MessageDialog msg (string_compose (_("This is a free/demo copy of %1. It has just switched to silent mode."), PROGRAM_NAME),
4815                            true,
4816                            Gtk::MESSAGE_WARNING,
4817                            Gtk::BUTTONS_NONE,
4818                            true);
4819
4820         msg.set_title (string_compose (_("%1 is now silent"), PROGRAM_NAME));
4821
4822         Gtk::Label pay_label (string_compose (_("Please consider paying for a copy of %1 - you can pay whatever you want."), PROGRAM_NAME));
4823         Gtk::Label subscribe_label (_("Better yet become a subscriber - subscriptions start at US$1 per month."));
4824         Gtk::Button pay_button (_("Pay for a copy (via the web)"));
4825         Gtk::Button subscribe_button (_("Become a subscriber (via the web)"));
4826         Gtk::HBox pay_button_box;
4827         Gtk::HBox subscribe_button_box;
4828
4829         pay_button_box.pack_start (pay_button, true, false);
4830         subscribe_button_box.pack_start (subscribe_button, true, false);
4831
4832         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 */
4833
4834         pay_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://ardour.org/download")));
4835         subscribe_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://community.ardour.org/s/subscribe")));
4836
4837         msg.get_vbox()->pack_start (pay_label);
4838         msg.get_vbox()->pack_start (pay_button_box);
4839         msg.get_vbox()->pack_start (subscribe_label);
4840         msg.get_vbox()->pack_start (subscribe_button_box);
4841
4842         msg.get_vbox()->show_all ();
4843
4844         msg.add_button (_("Remain silent"), Gtk::RESPONSE_CANCEL);
4845         msg.add_button (_("Save and quit"), Gtk::RESPONSE_NO);
4846         msg.add_button (_("Give me more time"), Gtk::RESPONSE_YES);
4847
4848         int r = msg.run ();
4849
4850         switch (r) {
4851         case Gtk::RESPONSE_YES:
4852                 AudioEngine::instance()->reset_silence_countdown ();
4853                 break;
4854
4855         case Gtk::RESPONSE_NO:
4856                 /* save and quit */
4857                 save_state_canfail ("");
4858                 exit (0);
4859                 break;
4860
4861         case Gtk::RESPONSE_CANCEL:
4862         default:
4863                 /* don't reset, save session and exit */
4864                 break;
4865         }
4866 }
4867
4868 void
4869 ARDOUR_UI::hide_application ()
4870 {
4871     Application::instance ()-> hide ();
4872 }
4873
4874 void
4875 ARDOUR_UI::toggle_auto_return_state (AutoReturnTarget t)
4876 {
4877         AutoReturnTarget art = Config->get_auto_return_target_list ();
4878         CheckMenuItem* check_menu_item = 0;
4879
4880         switch (t) {
4881         case LastLocate:
4882                 check_menu_item = auto_return_last_locate;
4883                 break;
4884         case Loop:
4885                 check_menu_item = auto_return_loop;
4886                 break;
4887         case RangeSelectionStart:
4888                 check_menu_item = auto_return_range_selection;
4889                 break;
4890         case RegionSelectionStart:
4891                 check_menu_item = auto_return_region_selection;
4892                 break;
4893         }
4894
4895         if (!check_menu_item) {
4896                 return;
4897         }
4898
4899         if (check_menu_item->get_active()) {
4900                 Config->set_auto_return_target_list (AutoReturnTarget (art | t));
4901         } else {
4902                 Config->set_auto_return_target_list (AutoReturnTarget (art & ~t));
4903         }
4904 }
4905
4906 void
4907 ARDOUR_UI::toggle_all_auto_return ()
4908 {
4909         AutoReturnTarget art = Config->get_auto_return_target_list ();
4910         if (art) {
4911                 Config->set_auto_return_target_list (AutoReturnTarget (0));
4912         } else {
4913                 Config->set_auto_return_target_list (AutoReturnTarget (LastLocate|
4914                                                                        RangeSelectionStart|
4915                                                                        RegionSelectionStart|
4916                                                                        Loop));
4917         }
4918 }
4919