gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #ifndef PLATFORM_WINDOWS
  31 #include <sys/resource.h>
  32 #endif
  33
  34 #include <stdint.h>
  35 #include <fcntl.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38 #include <time.h>
  39
  40 #include <glib.h>
  41 #include <glib/gstdio.h>
  42
  43 #include <gtkmm/messagedialog.h>
  44 #include <gtkmm/accelmap.h>
  45
  46 #include "pbd/error.h"
  47 #include "pbd/basename.h"
  48 #include "pbd/compose.h"
  49 #include "pbd/failed_constructor.h"
  50 #include "pbd/enumwriter.h"
  51 #include "pbd/memento_command.h"
  52 #include "pbd/openuri.h"
  53 #include "pbd/stl_delete.h"
  54 #include "pbd/file_utils.h"
  55 #include "pbd/localtime_r.h"
  56 #include "pbd/pthread_utils.h"
  57
  58 #include "gtkmm2ext/application.h"
  59 #include "gtkmm2ext/bindings.h"
  60 #include "gtkmm2ext/gtk_ui.h"
  61 #include "gtkmm2ext/utils.h"
  62 #include "gtkmm2ext/click_box.h"
  63 #include "gtkmm2ext/fastmeter.h"
  64 #include "gtkmm2ext/popup.h"
  65 #include "gtkmm2ext/window_title.h"
  66
  67 #include "ardour/ardour.h"
  68 #include "ardour/audio_backend.h"
  69 #include "ardour/audioengine.h"
  70 #include "ardour/audiofilesource.h"
  71 #include "ardour/automation_watch.h"
  72 #include "ardour/diskstream.h"
  73 #include "ardour/filename_extensions.h"
  74 #include "ardour/filesystem_paths.h"
  75 #include "ardour/port.h"
  76 #include "ardour/plugin_manager.h"
  77 #include "ardour/process_thread.h"
  78 #include "ardour/profile.h"
  79 #include "ardour/recent_sessions.h"
  80 #include "ardour/session_directory.h"
  81 #include "ardour/session_route.h"
  82 #include "ardour/session_state_utils.h"
  83 #include "ardour/session_utils.h"
  84 #include "ardour/slave.h"
  85 #include "ardour/system_exec.h"
  86
  87 #ifdef WINDOWS_VST_SUPPORT
  88 #include <fst.h>
  89 #endif
  90
  91 #include "timecode/time.h"
  92
  93 typedef uint64_t microseconds_t;
  94
  95 #include "about.h"
  96 #include "actions.h"
  97 #include "add_route_dialog.h"
  98 #include "ambiguous_file_dialog.h"
  99 #include "ardour_ui.h"
 100 #include "audio_clock.h"
 101 #include "big_clock_window.h"
 102 #include "bundle_manager.h"
 103 #include "engine_dialog.h"
 104 #include "gain_meter.h"
 105 #include "global_port_matrix.h"
 106 #include "gui_object.h"
 107 #include "gui_thread.h"
 108 #include "keyboard.h"
 109 #include "keyeditor.h"
 110 #include "location_ui.h"
 111 #include "main_clock.h"
 112 #include "missing_file_dialog.h"
 113 #include "missing_plugin_dialog.h"
 114 #include "mixer_ui.h"
 115 #include "mouse_cursors.h"
 116 #include "nsm.h"
 117 #include "opts.h"
 118 #include "pingback.h"
 119 #include "processor_box.h"
 120 #include "prompter.h"
 121 #include "public_editor.h"
 122 #include "rc_option_editor.h"
 123 #include "route_time_axis.h"
 124 #include "route_params_ui.h"
 125 #include "session_dialog.h"
 126 #include "session_metadata_dialog.h"
 127 #include "session_option_editor.h"
 128 #include "shuttle_control.h"
 129 #include "speaker_dialog.h"
 130 #include "splash.h"
 131 #include "startup.h"
 132 #include "theme_manager.h"
 133 #include "time_axis_view_item.h"
 134 #include "utils.h"
 135 #include "video_server_dialog.h"
 136 #include "add_video_dialog.h"
 137 #include "transcode_video_dialog.h"
 138
 139 #include "i18n.h"
 140
 141 using namespace ARDOUR;
 142 using namespace ARDOUR_UI_UTILS;
 143 using namespace PBD;
 144 using namespace Gtkmm2ext;
 145 using namespace Gtk;
 146 using namespace std;
 147
 148 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 149 UIConfiguration *ARDOUR_UI::ui_config = 0;
 150
 151 sigc::signal<void,bool> ARDOUR_UI::Blink;
 152 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 153 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 154 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 155 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 156
 157 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 158
 159         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 160
 161         , gui_object_state (new GUIObjectState)
 162
 163         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 164         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 165
 166           /* big clock */
 167
 168         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 169         , video_timeline(0)
 170
 171           /* start of private members */
 172
 173         , nsm (0)
 174         , _was_dirty (false)
 175         , _mixer_on_top (false)
 176         , first_time_engine_run (true)
 177         , blink_timeout_tag (-1)
 178
 179           /* transport */
 180
 181         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 182         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 183         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 184         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 185         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 186         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 187         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 188
 189         , auto_return_button (ArdourButton::led_default_elements)
 190         , follow_edits_button (ArdourButton::led_default_elements)
 191         , auto_input_button (ArdourButton::led_default_elements)
 192
 193         , auditioning_alert_button (_("Audition"))
 194         , solo_alert_button (_("Solo"))
 195         , feedback_alert_button (_("Feedback"))
 196
 197         , editor_meter(0)
 198         , editor_meter_peak_display()
 199
 200         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 201         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 202         , key_editor (X_("key-editor"), _("Key Bindings"))
 203         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 204         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 205         , about (X_("about"), _("About"))
 206         , location_ui (X_("locations"), _("Locations"))
 207         , route_params (X_("inspector"), _("Tracks and Busses"))
 208         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 209         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 210         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 211         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 212         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 213         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 214         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 215
 216         , error_log_button (_("Errors"))
 217
 218         , _status_bar_visibility (X_("status-bar"))
 219         , _feedback_exists (false)
 220 {
 221         Gtkmm2ext::init(localedir);
 222
 223         splash = 0;
 224
 225         _numpad_locate_happening = false;
 226
 227         if (theArdourUI == 0) {
 228                 theArdourUI = this;
 229         }
 230
 231         ui_config = new UIConfiguration();
 232
 233         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 234         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 235         ui_config->map_parameters (pc);
 236
 237         editor = 0;
 238         mixer = 0;
 239         meterbridge = 0;
 240         editor = 0;
 241         _session_is_new = false;
 242         session_selector_window = 0;
 243         last_key_press_time = 0;
 244         video_server_process = 0;
 245         open_session_selector = 0;
 246         have_configure_timeout = false;
 247         have_disk_speed_dialog_displayed = false;
 248         session_loaded = false;
 249         ignore_dual_punch = false;
 250
 251         roll_button.set_controllable (roll_controllable);
 252         stop_button.set_controllable (stop_controllable);
 253         goto_start_button.set_controllable (goto_start_controllable);
 254         goto_end_button.set_controllable (goto_end_controllable);
 255         auto_loop_button.set_controllable (auto_loop_controllable);
 256         play_selection_button.set_controllable (play_selection_controllable);
 257         rec_button.set_controllable (rec_controllable);
 258
 259         roll_button.set_name ("transport button");
 260         stop_button.set_name ("transport button");
 261         goto_start_button.set_name ("transport button");
 262         goto_end_button.set_name ("transport button");
 263         auto_loop_button.set_name ("transport button");
 264         play_selection_button.set_name ("transport button");
 265         rec_button.set_name ("transport recenable button");
 266         midi_panic_button.set_name ("transport button");
 267
 268         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 269         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 270         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 271
 272         last_configure_time= 0;
 273         last_peak_grab = 0;
 274
 275         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 276         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 277
 278         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 279
 280         /* handle dialog requests */
 281
 282         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 283
 284         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 285
 286         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 287
 288         /* handle Audio/MIDI setup when session requires it */
 289
 290         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 291
 292         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 293
 294         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 295
 296         /* handle requests to quit (coming from JACK session) */
 297
 298         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 299
 300         /* tell the user about feedback */
 301
 302         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 303         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 304
 305         /* handle requests to deal with missing files */
 306
 307         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 308
 309         /* and ambiguous files */
 310
 311         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 312
 313         /* also plugin scan messages */
 314         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 315         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 316
 317         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 318
 319         /* lets get this party started */
 320
 321         setup_gtk_ardour_enums ();
 322         setup_profile ();
 323
 324         SessionEvent::create_per_thread_pool ("GUI", 512);
 325
 326         /* we like keyboards */
 327
 328         keyboard = new ArdourKeyboard(*this);
 329
 330         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 331         if (node) {
 332                 keyboard->set_state (*node, Stateful::loading_state_version);
 333         }
 334
 335         /* we don't like certain modifiers */
 336         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 337
 338         reset_dpi();
 339
 340         TimeAxisViewItem::set_constant_heights ();
 341
 342         /* Set this up so that our window proxies can register actions */
 343
 344         ActionManager::init ();
 345
 346         /* The following must happen after ARDOUR::init() so that Config is set up */
 347
 348         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 349
 350         if (ui_xml) {
 351                 theme_manager.set_state (*ui_xml);
 352                 key_editor.set_state (*ui_xml);
 353                 rc_option_editor.set_state (*ui_xml);
 354                 session_option_editor.set_state (*ui_xml);
 355                 speaker_config_window.set_state (*ui_xml);
 356                 about.set_state (*ui_xml);
 357                 add_route_dialog.set_state (*ui_xml);
 358                 add_video_dialog.set_state (*ui_xml);
 359                 route_params.set_state (*ui_xml);
 360                 bundle_manager.set_state (*ui_xml);
 361                 location_ui.set_state (*ui_xml);
 362                 big_clock_window.set_state (*ui_xml);
 363                 audio_port_matrix.set_state (*ui_xml);
 364                 midi_port_matrix.set_state (*ui_xml);
 365         }
 366
 367         WM::Manager::instance().register_window (&theme_manager);
 368         WM::Manager::instance().register_window (&key_editor);
 369         WM::Manager::instance().register_window (&rc_option_editor);
 370         WM::Manager::instance().register_window (&session_option_editor);
 371         WM::Manager::instance().register_window (&speaker_config_window);
 372         WM::Manager::instance().register_window (&about);
 373         WM::Manager::instance().register_window (&add_route_dialog);
 374         WM::Manager::instance().register_window (&add_video_dialog);
 375         WM::Manager::instance().register_window (&route_params);
 376         WM::Manager::instance().register_window (&audio_midi_setup);
 377         WM::Manager::instance().register_window (&bundle_manager);
 378         WM::Manager::instance().register_window (&location_ui);
 379         WM::Manager::instance().register_window (&big_clock_window);
 380         WM::Manager::instance().register_window (&audio_port_matrix);
 381         WM::Manager::instance().register_window (&midi_port_matrix);
 382
 383         /* We need to instantiate the theme manager because it loads our
 384            theme files. This should really change so that its window
 385            and its functionality are separate
 386         */
 387
 388         (void) theme_manager.get (true);
 389
 390         _process_thread = new ProcessThread ();
 391         _process_thread->init ();
 392
 393         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 394
 395         attach_to_engine ();
 396 }
 397
 398 GlobalPortMatrixWindow*
 399 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 400 {
 401         if (!_session) {
 402                 return 0;
 403         }
 404         return new GlobalPortMatrixWindow (_session, type);
 405 }
 406
 407 void
 408 ARDOUR_UI::attach_to_engine ()
 409 {
 410         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 411         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 412 }
 413
 414 void
 415 ARDOUR_UI::engine_stopped ()
 416 {
 417         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 418         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 419         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 420 }
 421
 422 void
 423 ARDOUR_UI::engine_running ()
 424 {
 425         if (first_time_engine_run) {
 426                 post_engine();
 427                 first_time_engine_run = false;
 428         }
 429
 430         update_disk_space ();
 431         update_cpu_load ();
 432         update_sample_rate (AudioEngine::instance()->sample_rate());
 433         update_timecode_format ();
 434 }
 435
 436 void
 437 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 438 {
 439         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 440                 /* we can't rely on the original string continuing to exist when we are called
 441                    again in the GUI thread, so make a copy and note that we need to
 442                    free it later.
 443                 */
 444                 char *copy = strdup (reason);
 445                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 446                 return;
 447         }
 448
 449         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 450         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 451
 452         update_sample_rate (0);
 453
 454         string msgstr;
 455
 456         /* if the reason is a non-empty string, it means that the backend was shutdown
 457            rather than just Ardour.
 458         */
 459
 460         if (strlen (reason)) {
 461                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 462         } else {
 463                 msgstr = string_compose (_("\
 464 The audio backend has either been shutdown or it\n\
 465 disconnected %1 because %1\n\
 466 was not fast enough. Try to restart\n\
 467 the audio backend and save the session."), PROGRAM_NAME);
 468         }
 469
 470         MessageDialog msg (*editor, msgstr);
 471         pop_back_splash (msg);
 472         msg.set_keep_above (true);
 473         msg.run ();
 474
 475         if (free_reason) {
 476                 free (const_cast<char*> (reason));
 477         }
 478 }
 479
 480 void
 481 ARDOUR_UI::post_engine ()
 482 {
 483         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 484          */
 485
 486         ARDOUR::init_post_engine ();
 487
 488         /* connect to important signals */
 489
 490         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 491         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 492         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 493
 494         _tooltips.enable();
 495
 496         if (setup_windows ()) {
 497                 throw failed_constructor ();
 498         }
 499
 500         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 501         XMLNode* n = Config->extra_xml (X_("UI"));
 502         if (n) {
 503                 _status_bar_visibility.set_state (*n);
 504         }
 505
 506         check_memory_locking();
 507
 508         /* this is the first point at which all the keybindings are available */
 509
 510         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 511                 vector<string> names;
 512                 vector<string> paths;
 513                 vector<string> tooltips;
 514                 vector<string> keys;
 515                 vector<AccelKey> bindings;
 516
 517                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 518
 519                 vector<string>::iterator n;
 520                 vector<string>::iterator k;
 521                 vector<string>::iterator p;
 522                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 523                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 524                 }
 525
 526                 halt_connection.disconnect ();
 527                 AudioEngine::instance()->stop ();
 528                 exit (0);
 529         }
 530
 531         blink_timeout_tag = -1;
 532
 533         /* this being a GUI and all, we want peakfiles */
 534
 535         AudioFileSource::set_build_peakfiles (true);
 536         AudioFileSource::set_build_missing_peakfiles (true);
 537
 538         /* set default clock modes */
 539
 540         if (Profile->get_sae()) {
 541                 primary_clock->set_mode (AudioClock::BBT);
 542                 secondary_clock->set_mode (AudioClock::MinSec);
 543         }  else {
 544                 primary_clock->set_mode (AudioClock::Timecode);
 545                 secondary_clock->set_mode (AudioClock::BBT);
 546         }
 547
 548         /* start the time-of-day-clock */
 549
 550 #ifndef GTKOSX
 551         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 552         update_wall_clock ();
 553         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 554 #endif
 555
 556         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 557         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 558         Config->map_parameters (pc);
 559 }
 560
 561 ARDOUR_UI::~ARDOUR_UI ()
 562 {
 563         if (ui_config->dirty()) {
 564                 ui_config->save_state();
 565         }
 566
 567         stop_video_server();
 568 }
 569
 570 void
 571 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 572 {
 573         if (Splash::instance()) {
 574                 Splash::instance()->pop_back_for (win);
 575         }
 576 }
 577
 578 gint
 579 ARDOUR_UI::configure_timeout ()
 580 {
 581         if (last_configure_time == 0) {
 582                 /* no configure events yet */
 583                 return true;
 584         }
 585
 586         /* force a gap of 0.5 seconds since the last configure event
 587          */
 588
 589         if (get_microseconds() - last_configure_time < 500000) {
 590                 return true;
 591         } else {
 592                 have_configure_timeout = false;
 593                 save_ardour_state ();
 594                 return false;
 595         }
 596 }
 597
 598 gboolean
 599 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 600 {
 601         if (have_configure_timeout) {
 602                 last_configure_time = get_microseconds();
 603         } else {
 604                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 605                 have_configure_timeout = true;
 606         }
 607
 608         return FALSE;
 609 }
 610
 611 void
 612 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 613 {
 614         const XMLProperty* prop;
 615
 616         if ((prop = node.property ("roll")) != 0) {
 617                 roll_controllable->set_id (prop->value());
 618         }
 619         if ((prop = node.property ("stop")) != 0) {
 620                 stop_controllable->set_id (prop->value());
 621         }
 622         if ((prop = node.property ("goto-start")) != 0) {
 623                 goto_start_controllable->set_id (prop->value());
 624         }
 625         if ((prop = node.property ("goto-end")) != 0) {
 626                 goto_end_controllable->set_id (prop->value());
 627         }
 628         if ((prop = node.property ("auto-loop")) != 0) {
 629                 auto_loop_controllable->set_id (prop->value());
 630         }
 631         if ((prop = node.property ("play-selection")) != 0) {
 632                 play_selection_controllable->set_id (prop->value());
 633         }
 634         if ((prop = node.property ("rec")) != 0) {
 635                 rec_controllable->set_id (prop->value());
 636         }
 637         if ((prop = node.property ("shuttle")) != 0) {
 638                 shuttle_box->controllable()->set_id (prop->value());
 639         }
 640 }
 641
 642 XMLNode&
 643 ARDOUR_UI::get_transport_controllable_state ()
 644 {
 645         XMLNode* node = new XMLNode(X_("TransportControllables"));
 646         char buf[64];
 647
 648         roll_controllable->id().print (buf, sizeof (buf));
 649         node->add_property (X_("roll"), buf);
 650         stop_controllable->id().print (buf, sizeof (buf));
 651         node->add_property (X_("stop"), buf);
 652         goto_start_controllable->id().print (buf, sizeof (buf));
 653         node->add_property (X_("goto_start"), buf);
 654         goto_end_controllable->id().print (buf, sizeof (buf));
 655         node->add_property (X_("goto_end"), buf);
 656         auto_loop_controllable->id().print (buf, sizeof (buf));
 657         node->add_property (X_("auto_loop"), buf);
 658         play_selection_controllable->id().print (buf, sizeof (buf));
 659         node->add_property (X_("play_selection"), buf);
 660         rec_controllable->id().print (buf, sizeof (buf));
 661         node->add_property (X_("rec"), buf);
 662         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 663         node->add_property (X_("shuttle"), buf);
 664
 665         return *node;
 666 }
 667
 668
 669 gint
 670 ARDOUR_UI::autosave_session ()
 671 {
 672         if (g_main_depth() > 1) {
 673                 /* inside a recursive main loop,
 674                    give up because we may not be able to
 675                    take a lock.
 676                 */
 677                 return 1;
 678         }
 679
 680         if (!Config->get_periodic_safety_backups()) {
 681                 return 1;
 682         }
 683
 684         if (_session) {
 685                 _session->maybe_write_autosave();
 686         }
 687
 688         return 1;
 689 }
 690
 691 void
 692 ARDOUR_UI::update_autosave ()
 693 {
 694         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 695
 696         if (_session && _session->dirty()) {
 697                 if (_autosave_connection.connected()) {
 698                         _autosave_connection.disconnect();
 699                 }
 700
 701                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 702                                 Config->get_periodic_safety_backup_interval() * 1000);
 703
 704         } else {
 705                 if (_autosave_connection.connected()) {
 706                         _autosave_connection.disconnect();
 707                 }
 708         }
 709 }
 710
 711 void
 712 ARDOUR_UI::check_announcements ()
 713 {
 714 #ifdef PHONE_HOME
 715         string _annc_filename;
 716
 717 #ifdef __APPLE__
 718         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 719 #else
 720         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 721 #endif
 722         _annc_filename.append (VERSIONSTRING);
 723
 724         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 725         std::ifstream announce_file (path.c_str());
 726         if ( announce_file.fail() )
 727                 _announce_string = "";
 728         else {
 729                 std::stringstream oss;
 730                 oss << announce_file.rdbuf();
 731                 _announce_string = oss.str();
 732         }
 733
 734         pingback (VERSIONSTRING, path);
 735 #endif
 736 }
 737
 738 int
 739 ARDOUR_UI::starting ()
 740 {
 741         Application* app = Application::instance ();
 742         const char *nsm_url;
 743         bool brand_new_user = ArdourStartup::required ();
 744
 745         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 746         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 747
 748         if (ARDOUR_COMMAND_LINE::check_announcements) {
 749                 check_announcements ();
 750         }
 751
 752         app->ready ();
 753
 754         /* we need to create this early because it may need to set the
 755          *  audio backend end up.
 756          */
 757
 758         try {
 759                 audio_midi_setup.get (true);
 760         } catch (...) {
 761                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 762                 return -1;
 763         }
 764
 765         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 766                 nsm = new NSM_Client;
 767                 if (!nsm->init (nsm_url)) {
 768                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 769
 770                         unsigned int i = 0;
 771                         // wait for announce reply from nsm server
 772                         for ( i = 0; i < 5000; ++i) {
 773                                 nsm->check ();
 774
 775                                 Glib::usleep (i);
 776                                 if (nsm->is_active()) {
 777                                         break;
 778                                 }
 779                         }
 780                         if (i == 5000) {
 781                                 error << _("NSM server did not announce itself") << endmsg;
 782                                 return -1;
 783                         }
 784                         // wait for open command from nsm server
 785                         for ( i = 0; i < 5000; ++i) {
 786                                 nsm->check ();
 787                                 Glib::usleep (1000);
 788                                 if (nsm->client_id ()) {
 789                                         break;
 790                                 }
 791                         }
 792
 793                         if (i == 5000) {
 794                                 error << _("NSM: no client ID provided") << endmsg;
 795                                 return -1;
 796                         }
 797
 798                         if (_session && nsm) {
 799                                 _session->set_nsm_state( nsm->is_active() );
 800                         } else {
 801                                 error << _("NSM: no session created") << endmsg;
 802                                 return -1;
 803                         }
 804
 805                         // nsm requires these actions disabled
 806                         vector<string> action_names;
 807                         action_names.push_back("SaveAs");
 808                         action_names.push_back("Rename");
 809                         action_names.push_back("New");
 810                         action_names.push_back("Open");
 811                         action_names.push_back("Recent");
 812                         action_names.push_back("Close");
 813
 814                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 815                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 816                                 if (act) {
 817                                         act->set_sensitive (false);
 818                                 }
 819                         }
 820
 821                 } else {
 822                         delete nsm;
 823                         nsm = 0;
 824                         error << _("NSM: initialization failed") << endmsg;
 825                         return -1;
 826                 }
 827
 828         } else  {
 829
 830                 if (brand_new_user) {
 831                         ArdourStartup s;
 832                         s.present ();
 833                         main().run();
 834                         s.hide ();
 835                         switch (s.response ()) {
 836                         case Gtk::RESPONSE_OK:
 837                                 break;
 838                         default:
 839                                 return -1;
 840                         }
 841                 }
 842
 843                 /* go get a session */
 844
 845                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 846
 847                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 848                         std::cerr << "Cannot get session parameters."<< std::endl;
 849                         return -1;
 850                 }
 851         }
 852
 853         use_config ();
 854
 855         goto_editor_window ();
 856
 857         WM::Manager::instance().show_visible ();
 858
 859         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 860          * editor window, and we may want stuff to be hidden.
 861          */
 862         _status_bar_visibility.update ();
 863
 864         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 865         return 0;
 866 }
 867
 868 void
 869 ARDOUR_UI::check_memory_locking ()
 870 {
 871 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
 872         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 873         return;
 874 #else // !__APPLE__
 875
 876         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 877
 878         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 879
 880                 struct rlimit limits;
 881                 int64_t ram;
 882                 long pages, page_size;
 883 #ifdef __FreeBSD__
 884                 size_t pages_len=sizeof(pages);
 885                 if ((page_size = getpagesize()) < 0 ||
 886                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 887 #else
 888                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 889 #endif
 890                 {
 891                         ram = 0;
 892                 } else {
 893                         ram = (int64_t) pages * (int64_t) page_size;
 894                 }
 895
 896                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 897                         return;
 898                 }
 899
 900                 if (limits.rlim_cur != RLIM_INFINITY) {
 901
 902                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 903
 904                                 MessageDialog msg (
 905                                         string_compose (
 906                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 907                                                   "This might cause %1 to run out of memory before your system "
 908                                                   "runs out of memory. \n\n"
 909                                                   "You can view the memory limit with 'ulimit -l', "
 910                                                   "and it is normally controlled by %2"),
 911                                                 PROGRAM_NAME,
 912 #ifdef __FreeBSD__
 913                                                 X_("/etc/login.conf")
 914 #else
 915                                                 X_(" /etc/security/limits.conf")
 916 #endif
 917                                         ).c_str());
 918
 919                                 msg.set_default_response (RESPONSE_OK);
 920
 921                                 VBox* vbox = msg.get_vbox();
 922                                 HBox hbox;
 923                                 CheckButton cb (_("Do not show this window again"));
 924                                 hbox.pack_start (cb, true, false);
 925                                 vbox->pack_start (hbox);
 926                                 cb.show();
 927                                 vbox->show();
 928                                 hbox.show ();
 929
 930                                 pop_back_splash (msg);
 931
 932                                 editor->ensure_float (msg);
 933                                 msg.run ();
 934
 935                                 if (cb.get_active()) {
 936                                         XMLNode node (X_("no-memory-warning"));
 937                                         Config->add_instant_xml (node);
 938                                 }
 939                         }
 940                 }
 941         }
 942 #endif // !__APPLE__
 943 }
 944
 945
 946 void
 947 ARDOUR_UI::queue_finish ()
 948 {
 949         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 950 }
 951
 952 bool
 953 ARDOUR_UI::idle_finish ()
 954 {
 955         finish ();
 956         return false; /* do not call again */
 957 }
 958
 959 void
 960 ARDOUR_UI::finish()
 961 {
 962         if (_session) {
 963                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 964
 965                 if (_session->dirty()) {
 966                         vector<string> actions;
 967                         actions.push_back (_("Don't quit"));
 968                         actions.push_back (_("Just quit"));
 969                         actions.push_back (_("Save and quit"));
 970                         switch (ask_about_saving_session(actions)) {
 971                         case -1:
 972                                 return;
 973                                 break;
 974                         case 1:
 975                                 /* use the default name */
 976                                 if (save_state_canfail ("")) {
 977                                         /* failed - don't quit */
 978                                         MessageDialog msg (*editor,
 979                                                            string_compose (_("\
 980 %1 was unable to save your session.\n\n\
 981 If you still wish to quit, please use the\n\n\
 982 \"Just quit\" option."), PROGRAM_NAME));
 983                                         pop_back_splash(msg);
 984                                         msg.run ();
 985                                         return;
 986                                 }
 987                                 break;
 988                         case 0:
 989                                 break;
 990                         }
 991                 }
 992
 993                 second_connection.disconnect ();
 994                 point_one_second_connection.disconnect ();
 995                 point_zero_something_second_connection.disconnect();
 996         }
 997
 998         delete ARDOUR_UI::instance()->video_timeline;
 999         ARDOUR_UI::instance()->video_timeline = NULL;
1000         stop_video_server();
1001
1002         /* Save state before deleting the session, as that causes some
1003            windows to be destroyed before their visible state can be
1004            saved.
1005         */
1006         save_ardour_state ();
1007
1008         close_all_dialogs ();
1009
1010         if (_session) {
1011                 // _session->set_deletion_in_progress ();
1012                 _session->set_clean ();
1013                 _session->remove_pending_capture_state ();
1014                 delete _session;
1015                 _session = 0;
1016         }
1017
1018         halt_connection.disconnect ();
1019         AudioEngine::instance()->stop ();
1020 #ifdef WINDOWS_VST_SUPPORT
1021         fst_stop_threading();
1022 #endif
1023         quit ();
1024 }
1025
1026 int
1027 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1028 {
1029         ArdourDialog window (_("Unsaved Session"));
1030         Gtk::HBox dhbox;  // the hbox for the image and text
1031         Gtk::Label  prompt_label;
1032         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1033
1034         string msg;
1035
1036         assert (actions.size() >= 3);
1037
1038         window.add_button (actions[0], RESPONSE_REJECT);
1039         window.add_button (actions[1], RESPONSE_APPLY);
1040         window.add_button (actions[2], RESPONSE_ACCEPT);
1041
1042         window.set_default_response (RESPONSE_ACCEPT);
1043
1044         Gtk::Button noquit_button (msg);
1045         noquit_button.set_name ("EditorGTKButton");
1046
1047         string prompt;
1048
1049         if (_session->snap_name() == _session->name()) {
1050                 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?"),
1051                                         _session->snap_name());
1052         } else {
1053                 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?"),
1054                                         _session->snap_name());
1055         }
1056
1057         prompt_label.set_text (prompt);
1058         prompt_label.set_name (X_("PrompterLabel"));
1059         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1060
1061         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1062         dhbox.set_homogeneous (false);
1063         dhbox.pack_start (*dimage, false, false, 5);
1064         dhbox.pack_start (prompt_label, true, false, 5);
1065         window.get_vbox()->pack_start (dhbox);
1066
1067         window.set_name (_("Prompter"));
1068         window.set_modal (true);
1069         window.set_resizable (false);
1070
1071         dhbox.show();
1072         prompt_label.show();
1073         dimage->show();
1074         window.show();
1075         window.set_keep_above (true);
1076         window.present ();
1077
1078         ResponseType r = (ResponseType) window.run();
1079
1080         window.hide ();
1081
1082         switch (r) {
1083         case RESPONSE_ACCEPT: // save and get out of here
1084                 return 1;
1085         case RESPONSE_APPLY:  // get out of here
1086                 return 0;
1087         default:
1088                 break;
1089         }
1090
1091         return -1;
1092 }
1093
1094
1095 gint
1096 ARDOUR_UI::every_second ()
1097 {
1098         update_cpu_load ();
1099         update_buffer_load ();
1100         update_disk_space ();
1101         update_timecode_format ();
1102
1103         if (nsm && nsm->is_active ()) {
1104                 nsm->check ();
1105
1106                 if (!_was_dirty && _session->dirty ()) {
1107                         nsm->is_dirty ();
1108                         _was_dirty = true;
1109                 }
1110                 else if (_was_dirty && !_session->dirty ()){
1111                         nsm->is_clean ();
1112                         _was_dirty = false;
1113                 }
1114         }
1115         return TRUE;
1116 }
1117
1118 gint
1119 ARDOUR_UI::every_point_one_seconds ()
1120 {
1121         shuttle_box->update_speed_display ();
1122         RapidScreenUpdate(); /* EMIT_SIGNAL */
1123         return TRUE;
1124 }
1125
1126 gint
1127 ARDOUR_UI::every_point_zero_something_seconds ()
1128 {
1129         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1130
1131         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1132         if (editor_meter && Config->get_show_editor_meter()) {
1133                 float mpeak = editor_meter->update_meters();
1134                 if (mpeak > editor_meter_max_peak) {
1135                         if (mpeak >= Config->get_meter_peak()) {
1136                                 editor_meter_peak_display.set_name ("meterbridge peakindicator on");
1137                                 editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
1138                         }
1139                 }
1140         }
1141         return TRUE;
1142 }
1143
1144 void
1145 ARDOUR_UI::update_sample_rate (framecnt_t)
1146 {
1147         char buf[64];
1148
1149         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1150
1151         if (!AudioEngine::instance()->connected()) {
1152
1153                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1154
1155         } else {
1156
1157                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1158
1159                 if (rate == 0) {
1160                         /* no sample rate available */
1161                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1162                 } else {
1163
1164                         if (fmod (rate, 1000.0) != 0.0) {
1165                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1166                                           (float) rate / 1000.0f,
1167                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1168                         } else {
1169                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1170                                           rate/1000,
1171                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1172                         }
1173                 }
1174         }
1175         sample_rate_label.set_markup (buf);
1176 }
1177
1178 void
1179 ARDOUR_UI::update_format ()
1180 {
1181         if (!_session) {
1182                 format_label.set_text ("");
1183                 return;
1184         }
1185
1186         stringstream s;
1187         s << _("File:") << X_(" <span foreground=\"green\">");
1188
1189         switch (_session->config.get_native_file_header_format ()) {
1190         case BWF:
1191                 s << _("BWF");
1192                 break;
1193         case WAVE:
1194                 s << _("WAV");
1195                 break;
1196         case WAVE64:
1197                 s << _("WAV64");
1198                 break;
1199         case CAF:
1200                 s << _("CAF");
1201                 break;
1202         case AIFF:
1203                 s << _("AIFF");
1204                 break;
1205         case iXML:
1206                 s << _("iXML");
1207                 break;
1208         case RF64:
1209                 s << _("RF64");
1210                 break;
1211         }
1212
1213         s << " ";
1214
1215         switch (_session->config.get_native_file_data_format ()) {
1216         case FormatFloat:
1217                 s << _("32-float");
1218                 break;
1219         case FormatInt24:
1220                 s << _("24-int");
1221                 break;
1222         case FormatInt16:
1223                 s << _("16-int");
1224                 break;
1225         }
1226
1227         s << X_("</span>");
1228
1229         format_label.set_markup (s.str ());
1230 }
1231
1232 void
1233 ARDOUR_UI::update_cpu_load ()
1234 {
1235         char buf[64];
1236
1237         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1238            should also be changed.
1239         */
1240
1241         float const c = AudioEngine::instance()->get_dsp_load ();
1242         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1243         cpu_load_label.set_markup (buf);
1244 }
1245
1246 void
1247 ARDOUR_UI::update_buffer_load ()
1248 {
1249         char buf[256];
1250
1251         uint32_t const playback = _session ? _session->playback_load () : 100;
1252         uint32_t const capture = _session ? _session->capture_load () : 100;
1253
1254         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1255            should also be changed.
1256         */
1257
1258         if (_session) {
1259                 snprintf (
1260                         buf, sizeof (buf),
1261                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1262                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1263                         playback <= 5 ? X_("red") : X_("green"),
1264                         playback,
1265                         capture <= 5 ? X_("red") : X_("green"),
1266                         capture
1267                         );
1268
1269                 buffer_load_label.set_markup (buf);
1270         } else {
1271                 buffer_load_label.set_text ("");
1272         }
1273 }
1274
1275 void
1276 ARDOUR_UI::count_recenabled_streams (Route& route)
1277 {
1278         Track* track = dynamic_cast<Track*>(&route);
1279         if (track && track->record_enabled()) {
1280                 rec_enabled_streams += track->n_inputs().n_total();
1281         }
1282 }
1283
1284 void
1285 ARDOUR_UI::update_disk_space()
1286 {
1287         if (_session == 0) {
1288                 return;
1289         }
1290
1291         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1292         char buf[64];
1293         framecnt_t fr = _session->frame_rate();
1294
1295         if (fr == 0) {
1296                 /* skip update - no SR available */
1297                 return;
1298         }
1299
1300         if (!opt_frames) {
1301                 /* Available space is unknown */
1302                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1303         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1304                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1305         } else {
1306                 rec_enabled_streams = 0;
1307                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1308
1309                 framecnt_t frames = opt_frames.get_value_or (0);
1310
1311                 if (rec_enabled_streams) {
1312                         frames /= rec_enabled_streams;
1313                 }
1314
1315                 int hrs;
1316                 int mins;
1317                 int secs;
1318
1319                 hrs  = frames / (fr * 3600);
1320
1321                 if (hrs > 24) {
1322                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1323                 } else {
1324                         frames -= hrs * fr * 3600;
1325                         mins = frames / (fr * 60);
1326                         frames -= mins * fr * 60;
1327                         secs = frames / fr;
1328
1329                         bool const low = (hrs == 0 && mins <= 30);
1330
1331                         snprintf (
1332                                 buf, sizeof(buf),
1333                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1334                                 low ? X_("red") : X_("green"),
1335                                 hrs, mins, secs
1336                                 );
1337                 }
1338         }
1339
1340         disk_space_label.set_markup (buf);
1341 }
1342
1343 void
1344 ARDOUR_UI::update_timecode_format ()
1345 {
1346         char buf[64];
1347
1348         if (_session) {
1349                 bool matching;
1350                 TimecodeSlave* tcslave;
1351                 SyncSource sync_src = Config->get_sync_source();
1352
1353                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1354                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1355                 } else {
1356                         matching = true;
1357                 }
1358
1359                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1360                           matching ? X_("green") : X_("red"),
1361                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1362         } else {
1363                 snprintf (buf, sizeof (buf), "TC: n/a");
1364         }
1365
1366         timecode_format_label.set_markup (buf);
1367 }
1368
1369 gint
1370 ARDOUR_UI::update_wall_clock ()
1371 {
1372         time_t now;
1373         struct tm *tm_now;
1374         static int last_min = -1;
1375
1376         time (&now);
1377         tm_now = localtime (&now);
1378         if (last_min != tm_now->tm_min) {
1379                 char buf[16];
1380                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1381                 wall_clock_label.set_text (buf);
1382                 last_min = tm_now->tm_min;
1383         }
1384
1385         return TRUE;
1386 }
1387
1388 void
1389 ARDOUR_UI::redisplay_recent_sessions ()
1390 {
1391         std::vector<std::string> session_directories;
1392         RecentSessionsSorter cmp;
1393
1394         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1395         recent_session_model->clear ();
1396
1397         ARDOUR::RecentSessions rs;
1398         ARDOUR::read_recent_sessions (rs);
1399
1400         if (rs.empty()) {
1401                 recent_session_display.set_model (recent_session_model);
1402                 return;
1403         }
1404
1405         // sort them alphabetically
1406         sort (rs.begin(), rs.end(), cmp);
1407
1408         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1409                 session_directories.push_back ((*i).second);
1410         }
1411
1412         for (vector<std::string>::const_iterator i = session_directories.begin();
1413                         i != session_directories.end(); ++i)
1414         {
1415                 std::vector<std::string> state_file_paths;
1416
1417                 // now get available states for this session
1418
1419                 get_state_files_in_directory (*i, state_file_paths);
1420
1421                 vector<string> states;
1422                 vector<const gchar*> item;
1423                 string fullpath = *i;
1424
1425                 /* remove any trailing / */
1426
1427                 if (fullpath[fullpath.length() - 1] == '/') {
1428                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1429                 }
1430
1431                 /* check whether session still exists */
1432                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1433                         /* session doesn't exist */
1434                         continue;
1435                 }
1436
1437                 /* now get available states for this session */
1438                 states = Session::possible_states (fullpath);
1439
1440                 if (states.empty()) {
1441                         /* no state file? */
1442                         continue;
1443                 }
1444
1445                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1446
1447                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1448
1449                 row[recent_session_columns.fullpath] = fullpath;
1450                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1451
1452                 if (state_file_names.size() > 1) {
1453                         // multiple session files in the session directory - show the directory name.
1454                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1455
1456                         // add the children
1457                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1458                                         i2 != state_file_names.end(); ++i2)
1459                         {
1460
1461                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1462
1463                                 child_row[recent_session_columns.visible_name] = *i2;
1464                                 child_row[recent_session_columns.fullpath] = fullpath;
1465                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1466                         }
1467                 } else {
1468                         // only a single session file in the directory - show its actual name.
1469                         row[recent_session_columns.visible_name] = state_file_names.front ();
1470                 }
1471         }
1472
1473         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1474         recent_session_display.set_model (recent_session_model);
1475 }
1476
1477 void
1478 ARDOUR_UI::build_session_selector ()
1479 {
1480         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1481
1482         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1483
1484         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1485         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1486         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1487         recent_session_model = TreeStore::create (recent_session_columns);
1488         recent_session_display.set_model (recent_session_model);
1489         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1490         recent_session_display.set_headers_visible (false);
1491         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1492         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1493
1494         scroller->add (recent_session_display);
1495         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1496
1497         session_selector_window->set_name ("SessionSelectorWindow");
1498         session_selector_window->set_size_request (200, 400);
1499         session_selector_window->get_vbox()->pack_start (*scroller);
1500
1501         recent_session_display.show();
1502         scroller->show();
1503 }
1504
1505 void
1506 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1507 {
1508         session_selector_window->response (RESPONSE_ACCEPT);
1509 }
1510
1511 void
1512 ARDOUR_UI::open_recent_session ()
1513 {
1514         bool can_return = (_session != 0);
1515
1516         if (session_selector_window == 0) {
1517                 build_session_selector ();
1518         }
1519
1520         redisplay_recent_sessions ();
1521
1522         while (true) {
1523
1524                 ResponseType r = (ResponseType) session_selector_window->run ();
1525
1526                 switch (r) {
1527                 case RESPONSE_ACCEPT:
1528                         break;
1529                 default:
1530                         if (can_return) {
1531                                 session_selector_window->hide();
1532                                 return;
1533                         } else {
1534                                 exit (1);
1535                         }
1536                 }
1537
1538                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1539                         continue;
1540                 }
1541
1542                 session_selector_window->hide();
1543
1544                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1545
1546                 if (i == recent_session_model->children().end()) {
1547                         return;
1548                 }
1549
1550                 std::string path = (*i)[recent_session_columns.fullpath];
1551                 std::string state = (*i)[recent_session_columns.visible_name];
1552
1553                 _session_is_new = false;
1554
1555                 if (load_session (path, state) == 0) {
1556                         break;
1557                 }
1558
1559                 can_return = false;
1560         }
1561 }
1562
1563 bool
1564 ARDOUR_UI::check_audioengine ()
1565 {
1566         if (!AudioEngine::instance()->connected()) {
1567                 MessageDialog msg (string_compose (
1568                                            _("%1 is not connected to any audio backend.\n"
1569                                              "You cannot open or close sessions in this condition"),
1570                                            PROGRAM_NAME));
1571                 pop_back_splash (msg);
1572                 msg.run ();
1573                 return false;
1574         }
1575         return true;
1576 }
1577
1578 void
1579 ARDOUR_UI::open_session ()
1580 {
1581         if (!check_audioengine()) {
1582                 return;
1583
1584         }
1585
1586         /* popup selector window */
1587
1588         if (open_session_selector == 0) {
1589
1590                 /* ardour sessions are folders */
1591
1592                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1593                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1594                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1595                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1596
1597                 if (_session) {
1598                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1599                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1600                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1601                         open_session_selector->set_current_folder(session_parent_dir);
1602                 } else {
1603                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1604                 }
1605
1606                 string default_session_folder = Config->get_default_session_parent_dir();
1607                 try {
1608                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1609                         open_session_selector->add_shortcut_folder (default_session_folder);
1610                 }
1611                 catch (Glib::Error & e) {
1612                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1613                 }
1614
1615                 FileFilter session_filter;
1616                 session_filter.add_pattern ("*.ardour");
1617                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1618                 open_session_selector->add_filter (session_filter);
1619                 open_session_selector->set_filter (session_filter);
1620         }
1621
1622         int response = open_session_selector->run();
1623         open_session_selector->hide ();
1624
1625         switch (response) {
1626         case RESPONSE_ACCEPT:
1627                 break;
1628         default:
1629                 open_session_selector->hide();
1630                 return;
1631         }
1632
1633         open_session_selector->hide();
1634         string session_path = open_session_selector->get_filename();
1635         string path, name;
1636         bool isnew;
1637
1638         if (session_path.length() > 0) {
1639                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1640                         _session_is_new = isnew;
1641                         load_session (path, name);
1642                 }
1643         }
1644 }
1645
1646
1647 void
1648 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1649                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1650 {
1651         list<boost::shared_ptr<MidiTrack> > tracks;
1652
1653         if (_session == 0) {
1654                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1655                 return;
1656         }
1657
1658         try {
1659                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1660
1661                 if (tracks.size() != how_many) {
1662                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1663                 }
1664         }
1665
1666         catch (...) {
1667                 MessageDialog msg (*editor,
1668                                    string_compose (_("There are insufficient ports available\n\
1669 to create a new track or bus.\n\
1670 You should save %1, exit and\n\
1671 restart with more ports."), PROGRAM_NAME));
1672                 msg.run ();
1673         }
1674 }
1675
1676
1677 void
1678 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1679 {
1680         ChanCount one_midi_channel;
1681         one_midi_channel.set (DataType::MIDI, 1);
1682
1683         if (disk) {
1684                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1685         }
1686 }
1687
1688 void
1689 ARDOUR_UI::session_add_audio_route (
1690         bool track,
1691         int32_t input_channels,
1692         int32_t output_channels,
1693         ARDOUR::TrackMode mode,
1694         RouteGroup* route_group,
1695         uint32_t how_many,
1696         string const & name_template
1697         )
1698 {
1699         list<boost::shared_ptr<AudioTrack> > tracks;
1700         RouteList routes;
1701
1702         if (_session == 0) {
1703                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1704                 return;
1705         }
1706
1707         try {
1708                 if (track) {
1709                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1710
1711                         if (tracks.size() != how_many) {
1712                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1713                                       << endmsg;
1714                         }
1715
1716                 } else {
1717
1718                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1719
1720                         if (routes.size() != how_many) {
1721                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1722                                       << endmsg;
1723                         }
1724                 }
1725         }
1726
1727         catch (...) {
1728                 MessageDialog msg (*editor,
1729                                    string_compose (_("There are insufficient ports available\n\
1730 to create a new track or bus.\n\
1731 You should save %1, exit and\n\
1732 restart with more ports."), PROGRAM_NAME));
1733                 pop_back_splash (msg);
1734                 msg.run ();
1735         }
1736 }
1737
1738 void
1739 ARDOUR_UI::transport_goto_start ()
1740 {
1741         if (_session) {
1742                 _session->goto_start();
1743
1744                 /* force displayed area in editor to start no matter
1745                    what "follow playhead" setting is.
1746                 */
1747
1748                 if (editor) {
1749                         editor->center_screen (_session->current_start_frame ());
1750                 }
1751         }
1752 }
1753
1754 void
1755 ARDOUR_UI::transport_goto_zero ()
1756 {
1757         if (_session) {
1758                 _session->request_locate (0);
1759
1760                 /* force displayed area in editor to start no matter
1761                    what "follow playhead" setting is.
1762                 */
1763
1764                 if (editor) {
1765                         editor->reset_x_origin (0);
1766                 }
1767         }
1768 }
1769
1770 void
1771 ARDOUR_UI::transport_goto_wallclock ()
1772 {
1773         if (_session && editor) {
1774
1775                 time_t now;
1776                 struct tm tmnow;
1777                 framepos_t frames;
1778
1779                 time (&now);
1780                 localtime_r (&now, &tmnow);
1781
1782                 int frame_rate = _session->frame_rate();
1783
1784                 if (frame_rate == 0) {
1785                         /* no frame rate available */
1786                         return;
1787                 }
1788
1789                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1790                 frames += tmnow.tm_min * (60 * frame_rate);
1791                 frames += tmnow.tm_sec * frame_rate;
1792
1793                 _session->request_locate (frames, _session->transport_rolling ());
1794
1795                 /* force displayed area in editor to start no matter
1796                    what "follow playhead" setting is.
1797                 */
1798
1799                 if (editor) {
1800                         editor->center_screen (frames);
1801                 }
1802         }
1803 }
1804
1805 void
1806 ARDOUR_UI::transport_goto_end ()
1807 {
1808         if (_session) {
1809                 framepos_t const frame = _session->current_end_frame();
1810                 _session->request_locate (frame);
1811
1812                 /* force displayed area in editor to start no matter
1813                    what "follow playhead" setting is.
1814                 */
1815
1816                 if (editor) {
1817                         editor->center_screen (frame);
1818                 }
1819         }
1820 }
1821
1822 void
1823 ARDOUR_UI::transport_stop ()
1824 {
1825         if (!_session) {
1826                 return;
1827         }
1828
1829         if (_session->is_auditioning()) {
1830                 _session->cancel_audition ();
1831                 return;
1832         }
1833
1834         _session->request_stop (false, true);
1835 }
1836
1837 /** Check if any tracks are record enabled. If none are, record enable all of them.
1838  * @return true if track record-enabled status was changed, false otherwise.
1839  */
1840 bool
1841 ARDOUR_UI::trx_record_enable_all_tracks ()
1842 {
1843         if (!_session) {
1844                 return false;
1845         }
1846
1847         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1848         bool none_record_enabled = true;
1849
1850         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1851                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1852                 assert (t);
1853
1854                 if (t->record_enabled()) {
1855                         none_record_enabled = false;
1856                         break;
1857                 }
1858         }
1859
1860         if (none_record_enabled) {
1861                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
1862         }
1863
1864         return none_record_enabled;
1865 }
1866
1867 void
1868 ARDOUR_UI::transport_record (bool roll)
1869 {
1870         if (_session) {
1871                 switch (_session->record_status()) {
1872                 case Session::Disabled:
1873                         if (_session->ntracks() == 0) {
1874                                 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."));
1875                                 msg.run ();
1876                                 return;
1877                         }
1878                         if (Profile->get_trx()) {
1879                                 roll = trx_record_enable_all_tracks ();
1880                         }
1881                         _session->maybe_enable_record ();
1882                         if (roll) {
1883                                 transport_roll ();
1884                         }
1885                         break;
1886                 case Session::Recording:
1887                         if (roll) {
1888                                 _session->request_stop();
1889                         } else {
1890                                 _session->disable_record (false, true);
1891                         }
1892                         break;
1893
1894                 case Session::Enabled:
1895                         _session->disable_record (false, true);
1896                 }
1897         }
1898 }
1899
1900 void
1901 ARDOUR_UI::transport_roll ()
1902 {
1903         if (!_session) {
1904                 return;
1905         }
1906
1907         if (_session->is_auditioning()) {
1908                 return;
1909         }
1910
1911 #if 0
1912         if (_session->config.get_external_sync()) {
1913                 switch (Config->get_sync_source()) {
1914                 case Engine:
1915                         break;
1916                 default:
1917                         /* transport controlled by the master */
1918                         return;
1919                 }
1920         }
1921 #endif
1922
1923         bool rolling = _session->transport_rolling();
1924
1925         if (_session->get_play_loop()) {
1926
1927                 /* If loop playback is not a mode, then we should cancel
1928                    it when this action is requested. If it is a mode
1929                    we just leave it in place.
1930                 */
1931
1932                 if (!Config->get_loop_is_mode()) {
1933                         /* XXX it is not possible to just leave seamless loop and keep
1934                            playing at present (nov 4th 2009)
1935                         */
1936                         if (!Config->get_seamless_loop()) {
1937                                 /* stop loop playback and stop rolling */
1938                                 _session->request_play_loop (false, true);
1939                         } else if (rolling) {
1940                                 /* stop loop playback but keep rolling */
1941                                 _session->request_play_loop (false, false);
1942                         }
1943                 }
1944
1945         } else if (_session->get_play_range () ) {
1946                 /* stop playing a range if we currently are */
1947                 _session->request_play_range (0, true);
1948         }
1949
1950         if (!rolling) {
1951                 _session->request_transport_speed (1.0f);
1952         }
1953 }
1954
1955 bool
1956 ARDOUR_UI::get_smart_mode() const
1957 {
1958         return ( editor->get_smart_mode() );
1959 }
1960
1961
1962 void
1963 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1964 {
1965
1966         if (!_session) {
1967                 return;
1968         }
1969
1970         if (_session->is_auditioning()) {
1971                 _session->cancel_audition ();
1972                 return;
1973         }
1974
1975         if (_session->config.get_external_sync()) {
1976                 switch (Config->get_sync_source()) {
1977                 case Engine:
1978                         break;
1979                 default:
1980                         /* transport controlled by the master */
1981                         return;
1982                 }
1983         }
1984
1985         bool rolling = _session->transport_rolling();
1986         bool affect_transport = true;
1987
1988         if (rolling && roll_out_of_bounded_mode) {
1989                 /* drop out of loop/range playback but leave transport rolling */
1990                 if (_session->get_play_loop()) {
1991                         if (Config->get_seamless_loop()) {
1992                                 /* the disk buffers contain copies of the loop - we can't
1993                                    just keep playing, so stop the transport. the user
1994                                    can restart as they wish.
1995                                 */
1996                                 affect_transport = true;
1997                         } else {
1998                                 /* disk buffers are normal, so we can keep playing */
1999                                 affect_transport = false;
2000                         }
2001                         _session->request_play_loop (false, affect_transport);
2002                 } else if (_session->get_play_range ()) {
2003                         affect_transport = false;
2004                         _session->request_play_range (0, true);
2005                 }
2006         }
2007
2008         if (affect_transport) {
2009                 if (rolling) {
2010                         _session->request_stop (with_abort, true);
2011                 } else {
2012                         if ( 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
2013                                 _session->request_play_range (&editor->get_selection().time, true);
2014                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2015                         }
2016                         _session->request_transport_speed (1.0f);
2017                 }
2018         }
2019 }
2020
2021 void
2022 ARDOUR_UI::toggle_session_auto_loop ()
2023 {
2024         Location * looploc = _session->locations()->auto_loop_location();
2025
2026         if (!_session || !looploc) {
2027                 return;
2028         }
2029
2030         if (_session->get_play_loop()) {
2031
2032                 /* looping enabled, our job is to disable it */
2033
2034                 _session->request_play_loop (false);
2035
2036         } else {
2037
2038                 /* looping not enabled, our job is to enable it.
2039
2040                    loop-is-NOT-mode: this action always starts the transport rolling.
2041                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2042                                         does not start transport.
2043                 */
2044                 if (Config->get_loop_is_mode()) {
2045                         _session->request_play_loop (true, false);
2046                 } else {
2047                         _session->request_play_loop (true, true);
2048                 }
2049         }
2050
2051         //show the loop markers
2052         looploc->set_hidden (false, this);
2053 }
2054
2055 void
2056 ARDOUR_UI::transport_play_selection ()
2057 {
2058         if (!_session) {
2059                 return;
2060         }
2061
2062         editor->play_selection ();
2063 }
2064
2065 void
2066 ARDOUR_UI::transport_play_preroll ()
2067 {
2068         if (!_session) {
2069                 return;
2070         }
2071         editor->play_with_preroll ();
2072 }
2073
2074 void
2075 ARDOUR_UI::transport_rewind (int option)
2076 {
2077         float current_transport_speed;
2078
2079         if (_session) {
2080                 current_transport_speed = _session->transport_speed();
2081
2082                 if (current_transport_speed >= 0.0f) {
2083                         switch (option) {
2084                         case 0:
2085                                 _session->request_transport_speed (-1.0f);
2086                                 break;
2087                         case 1:
2088                                 _session->request_transport_speed (-4.0f);
2089                                 break;
2090                         case -1:
2091                                 _session->request_transport_speed (-0.5f);
2092                                 break;
2093                         }
2094                 } else {
2095                         /* speed up */
2096                         _session->request_transport_speed (current_transport_speed * 1.5f);
2097                 }
2098         }
2099 }
2100
2101 void
2102 ARDOUR_UI::transport_forward (int option)
2103 {
2104         if (!_session) {
2105                 return;
2106         }
2107
2108         float current_transport_speed = _session->transport_speed();
2109
2110         if (current_transport_speed <= 0.0f) {
2111                 switch (option) {
2112                 case 0:
2113                         _session->request_transport_speed (1.0f);
2114                         break;
2115                 case 1:
2116                         _session->request_transport_speed (4.0f);
2117                         break;
2118                 case -1:
2119                         _session->request_transport_speed (0.5f);
2120                         break;
2121                 }
2122         } else {
2123                 /* speed up */
2124                 _session->request_transport_speed (current_transport_speed * 1.5f);
2125         }
2126 }
2127
2128 void
2129 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2130 {
2131         if (!_session) {
2132                 return;
2133         }
2134
2135         boost::shared_ptr<Route> r;
2136
2137         if ((r = _session->route_by_remote_id (rid)) != 0) {
2138
2139                 Track* t;
2140
2141                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2142                         t->set_record_enabled (!t->record_enabled(), this);
2143                 }
2144         }
2145 }
2146
2147 void
2148 ARDOUR_UI::map_transport_state ()
2149 {
2150         if (!_session) {
2151                 auto_loop_button.unset_active_state ();
2152                 play_selection_button.unset_active_state ();
2153                 roll_button.unset_active_state ();
2154                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2155                 return;
2156         }
2157
2158         shuttle_box->map_transport_state ();
2159
2160         float sp = _session->transport_speed();
2161
2162         if (sp != 0.0f) {
2163
2164                 /* we're rolling */
2165
2166                 if (_session->get_play_range()) {
2167
2168                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2169                         roll_button.unset_active_state ();
2170                         auto_loop_button.unset_active_state ();
2171
2172                 } else if (_session->get_play_loop ()) {
2173
2174                         auto_loop_button.set_active (true);
2175                         play_selection_button.set_active (false);
2176                         if (Config->get_loop_is_mode()) {
2177                                 roll_button.set_active (true);
2178                         } else {
2179                                 roll_button.set_active (false);
2180                         }
2181
2182                 } else {
2183
2184                         roll_button.set_active (true);
2185                         play_selection_button.set_active (false);
2186                         auto_loop_button.set_active (false);
2187                 }
2188
2189                 if (Config->get_follow_edits()) {
2190                         /* light up both roll and play-selection if they are joined */
2191                         roll_button.set_active (true);
2192                         play_selection_button.set_active (true);
2193                 }
2194
2195                 stop_button.set_active (false);
2196
2197         } else {
2198
2199                 stop_button.set_active (true);
2200                 roll_button.set_active (false);
2201                 play_selection_button.set_active (false);
2202                 if (Config->get_loop_is_mode ()) {
2203                         auto_loop_button.set_active (_session->get_play_loop());
2204                 } else {
2205                         auto_loop_button.set_active (false);
2206                 }
2207                 update_disk_space ();
2208         }
2209 }
2210
2211 void
2212 ARDOUR_UI::update_clocks ()
2213 {
2214         if (!editor || !editor->dragging_playhead()) {
2215                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2216         }
2217 }
2218
2219 void
2220 ARDOUR_UI::start_clocking ()
2221 {
2222         if (Config->get_super_rapid_clock_update()) {
2223                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2224         } else {
2225                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2226         }
2227 }
2228
2229 void
2230 ARDOUR_UI::stop_clocking ()
2231 {
2232         clock_signal_connection.disconnect ();
2233 }
2234
2235 gint
2236 ARDOUR_UI::_blink (void *arg)
2237 {
2238         ((ARDOUR_UI *) arg)->blink ();
2239         return TRUE;
2240 }
2241
2242 void
2243 ARDOUR_UI::blink ()
2244 {
2245         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2246 }
2247
2248 void
2249 ARDOUR_UI::start_blinking ()
2250 {
2251         /* Start the blink signal. Everybody with a blinking widget
2252            uses Blink to drive the widget's state.
2253         */
2254
2255         if (blink_timeout_tag < 0) {
2256                 blink_on = false;
2257                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2258         }
2259 }
2260
2261 void
2262 ARDOUR_UI::stop_blinking ()
2263 {
2264         if (blink_timeout_tag >= 0) {
2265                 g_source_remove (blink_timeout_tag);
2266                 blink_timeout_tag = -1;
2267         }
2268 }
2269
2270
2271 /** Ask the user for the name of a new snapshot and then take it.
2272  */
2273
2274 void
2275 ARDOUR_UI::snapshot_session (bool switch_to_it)
2276 {
2277         ArdourPrompter prompter (true);
2278         string snapname;
2279
2280         prompter.set_name ("Prompter");
2281         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2282         if (switch_to_it) {
2283                 prompter.set_title (_("Save as..."));
2284                 prompter.set_prompt (_("New session name"));
2285         } else {
2286                 prompter.set_title (_("Take Snapshot"));
2287                 prompter.set_prompt (_("Name of new snapshot"));
2288         }
2289
2290         if (!switch_to_it) {
2291                 char timebuf[128];
2292                 time_t n;
2293                 struct tm local_time;
2294
2295                 time (&n);
2296                 localtime_r (&n, &local_time);
2297                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2298                 prompter.set_initial_text (timebuf);
2299         }
2300
2301   again:
2302         switch (prompter.run()) {
2303         case RESPONSE_ACCEPT:
2304         {
2305                 prompter.get_result (snapname);
2306
2307                 bool do_save = (snapname.length() != 0);
2308
2309                 if (do_save) {
2310                         char illegal = Session::session_name_is_legal(snapname);
2311                         if (illegal) {
2312                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2313                                                      "snapshot names may not contain a '%1' character"), illegal));
2314                                 msg.run ();
2315                                 goto again;
2316                         }
2317                 }
2318
2319                 vector<std::string> p;
2320                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2321                 vector<string> n = get_file_names_no_extension (p);
2322                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2323
2324                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2325                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2326                         confirm.get_vbox()->pack_start (m, true, true);
2327                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2328                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2329                         confirm.show_all ();
2330                         switch (confirm.run()) {
2331                         case RESPONSE_CANCEL:
2332                                 do_save = false;
2333                         }
2334                 }
2335
2336                 if (do_save) {
2337                         save_state (snapname, switch_to_it);
2338                 }
2339                 break;
2340         }
2341
2342         default:
2343                 break;
2344         }
2345 }
2346
2347 /** Ask the user for a new session name and then rename the session to it.
2348  */
2349
2350 void
2351 ARDOUR_UI::rename_session ()
2352 {
2353         if (!_session) {
2354                 return;
2355         }
2356
2357         ArdourPrompter prompter (true);
2358         string name;
2359
2360         prompter.set_name ("Prompter");
2361         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2362         prompter.set_title (_("Rename Session"));
2363         prompter.set_prompt (_("New session name"));
2364
2365   again:
2366         switch (prompter.run()) {
2367         case RESPONSE_ACCEPT:
2368         {
2369                 prompter.get_result (name);
2370
2371                 bool do_rename = (name.length() != 0);
2372
2373                 if (do_rename) {
2374                         char illegal = Session::session_name_is_legal (name);
2375
2376                         if (illegal) {
2377                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2378                                                                      "session names may not contain a '%1' character"), illegal));
2379                                 msg.run ();
2380                                 goto again;
2381                         }
2382
2383                         switch (_session->rename (name)) {
2384                         case -1: {
2385                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2386                                 msg.set_position (WIN_POS_MOUSE);
2387                                 msg.run ();
2388                                 goto again;
2389                                 break;
2390                         }
2391                         case 0:
2392                                 break;
2393                         default: {
2394                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2395                                 msg.set_position (WIN_POS_MOUSE);
2396                                 msg.run ();
2397                                 break;
2398                         }
2399                         }
2400                 }
2401
2402                 break;
2403         }
2404
2405         default:
2406                 break;
2407         }
2408 }
2409
2410 void
2411 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2412 {
2413         XMLNode* node = new XMLNode (X_("UI"));
2414
2415         WM::Manager::instance().add_state (*node);
2416
2417         node->add_child_nocopy (gui_object_state->get_state());
2418
2419         _session->add_extra_xml (*node);
2420
2421         save_state_canfail (name, switch_to_it);
2422 }
2423
2424 int
2425 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2426 {
2427         if (_session) {
2428                 int ret;
2429
2430                 if (name.length() == 0) {
2431                         name = _session->snap_name();
2432                 }
2433
2434                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2435                         return ret;
2436                 }
2437         }
2438
2439         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2440         return 0;
2441 }
2442
2443 void
2444 ARDOUR_UI::primary_clock_value_changed ()
2445 {
2446         if (_session) {
2447                 _session->request_locate (primary_clock->current_time ());
2448         }
2449 }
2450
2451 void
2452 ARDOUR_UI::big_clock_value_changed ()
2453 {
2454         if (_session) {
2455                 _session->request_locate (big_clock->current_time ());
2456         }
2457 }
2458
2459 void
2460 ARDOUR_UI::secondary_clock_value_changed ()
2461 {
2462         if (_session) {
2463                 _session->request_locate (secondary_clock->current_time ());
2464         }
2465 }
2466
2467 void
2468 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2469 {
2470         if (_session == 0) {
2471                 return;
2472         }
2473
2474         if (_session->step_editing()) {
2475                 return;
2476         }
2477
2478         Session::RecordState const r = _session->record_status ();
2479         bool const h = _session->have_rec_enabled_track ();
2480
2481         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2482                 if (onoff) {
2483                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2484                 } else {
2485                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2486                 }
2487         } else if (r == Session::Recording && h) {
2488                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2489         } else {
2490                 rec_button.unset_active_state ();
2491         }
2492 }
2493
2494 void
2495 ARDOUR_UI::save_template ()
2496 {
2497         ArdourPrompter prompter (true);
2498         string name;
2499
2500         if (!check_audioengine()) {
2501                 return;
2502         }
2503
2504         prompter.set_name (X_("Prompter"));
2505         prompter.set_title (_("Save Template"));
2506         prompter.set_prompt (_("Name for template:"));
2507         prompter.set_initial_text(_session->name() + _("-template"));
2508         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2509
2510         switch (prompter.run()) {
2511         case RESPONSE_ACCEPT:
2512                 prompter.get_result (name);
2513
2514                 if (name.length()) {
2515                         _session->save_template (name);
2516                 }
2517                 break;
2518
2519         default:
2520                 break;
2521         }
2522 }
2523
2524 void
2525 ARDOUR_UI::edit_metadata ()
2526 {
2527         SessionMetadataEditor dialog;
2528         dialog.set_session (_session);
2529         editor->ensure_float (dialog);
2530         dialog.run ();
2531 }
2532
2533 void
2534 ARDOUR_UI::import_metadata ()
2535 {
2536         SessionMetadataImporter dialog;
2537         dialog.set_session (_session);
2538         editor->ensure_float (dialog);
2539         dialog.run ();
2540 }
2541
2542 bool
2543 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2544 {
2545         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2546
2547         MessageDialog msg (str,
2548                            false,
2549                            Gtk::MESSAGE_WARNING,
2550                            Gtk::BUTTONS_YES_NO,
2551                            true);
2552
2553
2554         msg.set_name (X_("OpenExistingDialog"));
2555         msg.set_title (_("Open Existing Session"));
2556         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2557         msg.set_position (Gtk::WIN_POS_MOUSE);
2558         pop_back_splash (msg);
2559
2560         switch (msg.run()) {
2561         case RESPONSE_YES:
2562                 return true;
2563                 break;
2564         }
2565         return false;
2566 }
2567
2568 int
2569 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2570 {
2571         BusProfile bus_profile;
2572
2573         if (nsm || Profile->get_sae()) {
2574
2575                 bus_profile.master_out_channels = 2;
2576                 bus_profile.input_ac = AutoConnectPhysical;
2577                 bus_profile.output_ac = AutoConnectMaster;
2578                 bus_profile.requested_physical_in = 0; // use all available
2579                 bus_profile.requested_physical_out = 0; // use all available
2580
2581         } else {
2582
2583                 /* get settings from advanced section of NSD */
2584
2585                 if (sd.create_master_bus()) {
2586                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2587                 } else {
2588                         bus_profile.master_out_channels = 0;
2589                 }
2590
2591                 if (sd.connect_inputs()) {
2592                         bus_profile.input_ac = AutoConnectPhysical;
2593                 } else {
2594                         bus_profile.input_ac = AutoConnectOption (0);
2595                 }
2596
2597                 bus_profile.output_ac = AutoConnectOption (0);
2598
2599                 if (sd.connect_outputs ()) {
2600                         if (sd.connect_outs_to_master()) {
2601                                 bus_profile.output_ac = AutoConnectMaster;
2602                         } else if (sd.connect_outs_to_physical()) {
2603                                 bus_profile.output_ac = AutoConnectPhysical;
2604                         }
2605                 }
2606
2607                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2608                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2609         }
2610
2611         if (build_session (session_path, session_name, bus_profile)) {
2612                 return -1;
2613         }
2614
2615         return 0;
2616 }
2617
2618 void
2619 ARDOUR_UI::idle_load (const std::string& path)
2620 {
2621         if (_session) {
2622                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2623                         /* /path/to/foo => /path/to/foo, foo */
2624                         load_session (path, basename_nosuffix (path));
2625                 } else {
2626                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2627                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2628                 }
2629
2630         } else {
2631                 ARDOUR_COMMAND_LINE::session_name = path;
2632         }
2633 }
2634
2635 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2636 int
2637 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2638 {
2639         string session_name;
2640         string session_path;
2641         string template_name;
2642         int ret = -1;
2643         bool likely_new = false;
2644         bool cancel_not_quit;
2645
2646         /* deal with any existing DIRTY session now, rather than later. don't
2647          * treat a non-dirty session this way, so that it stays visible
2648          * as we bring up the new session dialog.
2649          */
2650
2651         if (_session && ARDOUR_UI::instance()->video_timeline) {
2652                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2653         }
2654
2655         /* if there is already a session, relabel the button
2656            on the SessionDialog so that we don't Quit directly
2657         */
2658         cancel_not_quit = (_session != 0);
2659
2660         if (_session && _session->dirty()) {
2661                 if (unload_session (false)) {
2662                         /* unload cancelled by user */
2663                         return 0;
2664                 }
2665                 ARDOUR_COMMAND_LINE::session_name = "";
2666         }
2667
2668         if (!load_template.empty()) {
2669                 should_be_new = true;
2670                 template_name = load_template;
2671         }
2672
2673         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2674         session_path = ARDOUR_COMMAND_LINE::session_name;
2675
2676         if (!session_path.empty()) {
2677                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2678                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2679                                 /* session/snapshot file, change path to be dir */
2680                                 session_path = Glib::path_get_dirname (session_path);
2681                         }
2682                 }
2683         }
2684
2685         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2686
2687         while (ret != 0) {
2688
2689                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2690
2691                         /* if they named a specific statefile, use it, otherwise they are
2692                            just giving a session folder, and we want to use it as is
2693                            to find the session.
2694                         */
2695
2696                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2697
2698                         if (suffix != string::npos) {
2699                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2700                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2701                                 session_name = Glib::path_get_basename (session_name);
2702                         } else {
2703                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2704                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2705                         }
2706                 } else {
2707                         session_path = "";
2708                         session_name = "";
2709                         session_dialog.clear_given ();
2710                 }
2711
2712                 if (should_be_new || session_name.empty()) {
2713                         /* need the dialog to get info from user */
2714
2715                         cerr << "run dialog\n";
2716
2717                         switch (session_dialog.run()) {
2718                         case RESPONSE_ACCEPT:
2719                                 break;
2720                         default:
2721                                 if (quit_on_cancel) {
2722                                         // JE - Currently (July 2014) this section can only get reached if the
2723                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2724                                         // point does NOT indicate an abnormal termination). Therefore, let's
2725                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2726                                         ARDOUR::cleanup ();
2727                                         pthread_cancel_all ();
2728
2729                                         exit (1);
2730                                 } else {
2731                                         return ret;
2732                                 }
2733                         }
2734
2735                         session_dialog.hide ();
2736                 }
2737
2738                 /* if we run the startup dialog again, offer more than just "new session" */
2739
2740                 should_be_new = false;
2741
2742                 session_name = session_dialog.session_name (likely_new);
2743                 session_path = session_dialog.session_folder ();
2744
2745                 if (nsm) {
2746                         likely_new = true;
2747                 }
2748
2749                 string::size_type suffix = session_name.find (statefile_suffix);
2750
2751                 if (suffix != string::npos) {
2752                         session_name = session_name.substr (0, suffix);
2753                 }
2754
2755                 /* this shouldn't happen, but we catch it just in case it does */
2756
2757                 if (session_name.empty()) {
2758                         continue;
2759                 }
2760
2761                 if (session_dialog.use_session_template()) {
2762                         template_name = session_dialog.session_template_name();
2763                         _session_is_new = true;
2764                 }
2765
2766                 if (session_name[0] == G_DIR_SEPARATOR ||
2767                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2768                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2769
2770                         /* absolute path or cwd-relative path specified for session name: infer session folder
2771                            from what was given.
2772                         */
2773
2774                         session_path = Glib::path_get_dirname (session_name);
2775                         session_name = Glib::path_get_basename (session_name);
2776
2777                 } else {
2778
2779                         session_path = session_dialog.session_folder();
2780
2781                         char illegal = Session::session_name_is_legal (session_name);
2782
2783                         if (illegal) {
2784                                 MessageDialog msg (session_dialog,
2785                                                    string_compose (_("To ensure compatibility with various systems\n"
2786                                                                      "session names may not contain a '%1' character"),
2787                                                                    illegal));
2788                                 msg.run ();
2789                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2790                                 continue;
2791                         }
2792                 }
2793
2794                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2795
2796
2797                         if (likely_new && !nsm) {
2798
2799                                 std::string existing = Glib::build_filename (session_path, session_name);
2800
2801                                 if (!ask_about_loading_existing_session (existing)) {
2802                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2803                                         continue;
2804                                 }
2805                         }
2806
2807                         _session_is_new = false;
2808
2809                 } else {
2810
2811                         if (!likely_new) {
2812                                 pop_back_splash (session_dialog);
2813                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2814                                 msg.run ();
2815                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2816                                 continue;
2817                         }
2818
2819                         char illegal = Session::session_name_is_legal(session_name);
2820
2821                         if (illegal) {
2822                                 pop_back_splash (session_dialog);
2823                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2824                                                                                     "session names may not contain a '%1' character"), illegal));
2825                                 msg.run ();
2826                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2827                                 continue;
2828                         }
2829
2830                         _session_is_new = true;
2831                 }
2832
2833                 if (likely_new && template_name.empty()) {
2834
2835                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2836
2837                 } else {
2838
2839                         ret = load_session (session_path, session_name, template_name);
2840
2841                         if (ret == -2) {
2842                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2843                                 exit (1);
2844                         }
2845
2846                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2847                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2848                                 exit (1);
2849                         }
2850
2851                         /* clear this to avoid endless attempts to load the
2852                            same session.
2853                         */
2854
2855                         ARDOUR_COMMAND_LINE::session_name = "";
2856                 }
2857         }
2858
2859         return ret;
2860 }
2861
2862 void
2863 ARDOUR_UI::close_session()
2864 {
2865         if (!check_audioengine()) {
2866                 return;
2867         }
2868
2869         if (unload_session (true)) {
2870                 return;
2871         }
2872
2873         ARDOUR_COMMAND_LINE::session_name = "";
2874
2875         if (get_session_parameters (true, false)) {
2876                 exit (1);
2877         }
2878
2879         goto_editor_window ();
2880 }
2881
2882 /** @param snap_name Snapshot name (without .ardour suffix).
2883  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2884  */
2885 int
2886 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2887 {
2888         Session *new_session;
2889         int unload_status;
2890         int retval = -1;
2891
2892         if (_session) {
2893                 unload_status = unload_session ();
2894
2895                 if (unload_status < 0) {
2896                         goto out;
2897                 } else if (unload_status > 0) {
2898                         retval = 0;
2899                         goto out;
2900                 }
2901         }
2902
2903         session_loaded = false;
2904
2905         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2906
2907         try {
2908                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2909         }
2910
2911         /* this one is special */
2912
2913         catch (AudioEngine::PortRegistrationFailure& err) {
2914
2915                 MessageDialog msg (err.what(),
2916                                    true,
2917                                    Gtk::MESSAGE_INFO,
2918                                    Gtk::BUTTONS_CLOSE);
2919
2920                 msg.set_title (_("Port Registration Error"));
2921                 msg.set_secondary_text (_("Click the Close button to try again."));
2922                 msg.set_position (Gtk::WIN_POS_CENTER);
2923                 pop_back_splash (msg);
2924                 msg.present ();
2925
2926                 int response = msg.run ();
2927
2928                 msg.hide ();
2929
2930                 switch (response) {
2931                 case RESPONSE_CANCEL:
2932                         exit (1);
2933                 default:
2934                         break;
2935                 }
2936                 goto out;
2937         }
2938
2939         catch (...) {
2940
2941                 MessageDialog msg (string_compose(
2942                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2943                                            path, snap_name),
2944                                    true,
2945                                    Gtk::MESSAGE_INFO,
2946                                    BUTTONS_OK);
2947
2948                 msg.set_keep_above (true);
2949                 msg.set_title (_("Loading Error"));
2950                 msg.set_position (Gtk::WIN_POS_CENTER);
2951                 pop_back_splash (msg);
2952                 msg.present ();
2953                 (void) msg.run ();
2954                 msg.hide ();
2955
2956                 goto out;
2957         }
2958
2959         {
2960                 list<string> const u = new_session->unknown_processors ();
2961                 if (!u.empty()) {
2962                         MissingPluginDialog d (_session, u);
2963                         d.run ();
2964                 }
2965         }
2966
2967         if (!new_session->writable()) {
2968                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
2969                                    true,
2970                                    Gtk::MESSAGE_INFO,
2971                                    BUTTONS_OK);
2972
2973                 msg.set_keep_above (true);
2974                 msg.set_title (_("Read-only Session"));
2975                 msg.set_position (Gtk::WIN_POS_CENTER);
2976                 pop_back_splash (msg);
2977                 msg.present ();
2978                 (void) msg.run ();
2979                 msg.hide ();
2980         }
2981
2982
2983         /* Now the session been created, add the transport controls */
2984         new_session->add_controllable(roll_controllable);
2985         new_session->add_controllable(stop_controllable);
2986         new_session->add_controllable(goto_start_controllable);
2987         new_session->add_controllable(goto_end_controllable);
2988         new_session->add_controllable(auto_loop_controllable);
2989         new_session->add_controllable(play_selection_controllable);
2990         new_session->add_controllable(rec_controllable);
2991
2992         set_session (new_session);
2993
2994         session_loaded = true;
2995
2996         goto_editor_window ();
2997
2998         if (_session) {
2999                 _session->set_clean ();
3000         }
3001
3002 #ifdef WINDOWS_VST_SUPPORT
3003         fst_stop_threading();
3004 #endif
3005
3006         flush_pending ();
3007
3008 #ifdef WINDOWS_VST_SUPPORT
3009         fst_start_threading();
3010 #endif
3011         retval = 0;
3012
3013   out:
3014         return retval;
3015 }
3016
3017 int
3018 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3019 {
3020         Session *new_session;
3021         int x;
3022
3023         session_loaded = false;
3024         x = unload_session ();
3025
3026         if (x < 0) {
3027                 return -1;
3028         } else if (x > 0) {
3029                 return 0;
3030         }
3031
3032         _session_is_new = true;
3033
3034         try {
3035                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3036         }
3037
3038         catch (...) {
3039
3040                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3041                 pop_back_splash (msg);
3042                 msg.run ();
3043                 return -1;
3044         }
3045
3046         /* Give the new session the default GUI state, if such things exist */
3047
3048         XMLNode* n;
3049         n = Config->instant_xml (X_("Editor"));
3050         if (n) {
3051                 new_session->add_instant_xml (*n, false);
3052         }
3053         n = Config->instant_xml (X_("Mixer"));
3054         if (n) {
3055                 new_session->add_instant_xml (*n, false);
3056         }
3057
3058         /* Put the playhead at 0 and scroll fully left */
3059         n = new_session->instant_xml (X_("Editor"));
3060         if (n) {
3061                 n->add_property (X_("playhead"), X_("0"));
3062                 n->add_property (X_("left-frame"), X_("0"));
3063         }
3064
3065         set_session (new_session);
3066
3067         session_loaded = true;
3068
3069         new_session->save_state(new_session->name());
3070
3071         return 0;
3072 }
3073
3074 void
3075 ARDOUR_UI::launch_chat ()
3076 {
3077 #ifdef __APPLE__
3078         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3079 #else
3080         open_uri("http://webchat.freenode.net/?channels=ardour");
3081 #endif
3082 }
3083
3084 void
3085 ARDOUR_UI::launch_manual ()
3086 {
3087         PBD::open_uri (Config->get_tutorial_manual_url());
3088 }
3089
3090 void
3091 ARDOUR_UI::launch_reference ()
3092 {
3093         PBD::open_uri (Config->get_reference_manual_url());
3094 }
3095
3096 void
3097 ARDOUR_UI::loading_message (const std::string& msg)
3098 {
3099         if (ARDOUR_COMMAND_LINE::no_splash) {
3100                 return;
3101         }
3102
3103         if (!splash) {
3104                 show_splash ();
3105         }
3106
3107         splash->message (msg);
3108 }
3109
3110 void
3111 ARDOUR_UI::show_splash ()
3112 {
3113         if (splash == 0) {
3114                 try {
3115                         splash = new Splash;
3116                 } catch (...) {
3117                         return;
3118                 }
3119         }
3120
3121         splash->display ();
3122 }
3123
3124 void
3125 ARDOUR_UI::hide_splash ()
3126 {
3127         delete splash;
3128         splash = 0;
3129 }
3130
3131 void
3132 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3133 {
3134         size_t removed;
3135
3136         removed = rep.paths.size();
3137
3138         if (removed == 0) {
3139                 MessageDialog msgd (*editor,
3140                                     _("No files were ready for clean-up"),
3141                                     true,
3142                                     Gtk::MESSAGE_INFO,
3143                                     Gtk::BUTTONS_OK);
3144                 msgd.set_title (_("Clean-up"));
3145                 msgd.set_secondary_text (_("If this seems suprising, \n\
3146 check for any existing snapshots.\n\
3147 These may still include regions that\n\
3148 require some unused files to continue to exist."));
3149
3150                 msgd.run ();
3151                 return;
3152         }
3153
3154         ArdourDialog results (_("Clean-up"), true, false);
3155
3156         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3157             CleanupResultsModelColumns() {
3158                     add (visible_name);
3159                     add (fullpath);
3160             }
3161             Gtk::TreeModelColumn<std::string> visible_name;
3162             Gtk::TreeModelColumn<std::string> fullpath;
3163         };
3164
3165
3166         CleanupResultsModelColumns results_columns;
3167         Glib::RefPtr<Gtk::ListStore> results_model;
3168         Gtk::TreeView results_display;
3169
3170         results_model = ListStore::create (results_columns);
3171         results_display.set_model (results_model);
3172         results_display.append_column (list_title, results_columns.visible_name);
3173
3174         results_display.set_name ("CleanupResultsList");
3175         results_display.set_headers_visible (true);
3176         results_display.set_headers_clickable (false);
3177         results_display.set_reorderable (false);
3178
3179         Gtk::ScrolledWindow list_scroller;
3180         Gtk::Label txt;
3181         Gtk::VBox dvbox;
3182         Gtk::HBox dhbox;  // the hbox for the image and text
3183         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3184         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3185
3186         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3187
3188         const string dead_directory = _session->session_directory().dead_path();
3189
3190         /* subst:
3191            %1 - number of files removed
3192            %2 - location of "dead"
3193            %3 - size of files affected
3194            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3195         */
3196
3197         const char* bprefix;
3198         double space_adjusted = 0;
3199
3200         if (rep.space < 1000) {
3201                 bprefix = X_("");
3202                 space_adjusted = rep.space;
3203         } else if (rep.space < 1000000) {
3204                 bprefix = _("kilo");
3205                 space_adjusted = floorf((float)rep.space / 1000.0);
3206         } else if (rep.space < 1000000 * 1000) {
3207                 bprefix = _("mega");
3208                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3209         } else {
3210                 bprefix = _("giga");
3211                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3212         }
3213
3214         if (msg_delete) {
3215                 txt.set_markup (string_compose (P_("\
3216 The following file was deleted from %2,\n\
3217 releasing %3 %4bytes of disk space", "\
3218 The following %1 files were deleted from %2,\n\
3219 releasing %3 %4bytes of disk space", removed),
3220                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3221         } else {
3222                 txt.set_markup (string_compose (P_("\
3223 The following file was not in use and \n\
3224 has been moved to: %2\n\n\
3225 After a restart of %5\n\n\
3226 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3227 will release an additional %3 %4bytes of disk space.\n", "\
3228 The following %1 files were not in use and \n\
3229 have been moved to: %2\n\n\
3230 After a restart of %5\n\n\
3231 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3232 will release an additional %3 %4bytes of disk space.\n", removed),
3233                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3234         }
3235
3236         dhbox.pack_start (*dimage, true, false, 5);
3237         dhbox.pack_start (txt, true, false, 5);
3238
3239         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3240                 TreeModel::Row row = *(results_model->append());
3241                 row[results_columns.visible_name] = *i;
3242                 row[results_columns.fullpath] = *i;
3243         }
3244
3245         list_scroller.add (results_display);
3246         list_scroller.set_size_request (-1, 150);
3247         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3248
3249         dvbox.pack_start (dhbox, true, false, 5);
3250         dvbox.pack_start (list_scroller, true, false, 5);
3251         ddhbox.pack_start (dvbox, true, false, 5);
3252
3253         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3254         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3255         results.set_default_response (RESPONSE_CLOSE);
3256         results.set_position (Gtk::WIN_POS_MOUSE);
3257
3258         results_display.show();
3259         list_scroller.show();
3260         txt.show();
3261         dvbox.show();
3262         dhbox.show();
3263         ddhbox.show();
3264         dimage->show();
3265
3266         //results.get_vbox()->show();
3267         results.set_resizable (false);
3268
3269         results.run ();
3270
3271 }
3272
3273 void
3274 ARDOUR_UI::cleanup ()
3275 {
3276         if (_session == 0) {
3277                 /* shouldn't happen: menu item is insensitive */
3278                 return;
3279         }
3280
3281
3282         MessageDialog checker (_("Are you sure you want to clean-up?"),
3283                                 true,
3284                                 Gtk::MESSAGE_QUESTION,
3285                                 Gtk::BUTTONS_NONE);
3286
3287         checker.set_title (_("Clean-up"));
3288
3289         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3290 ALL undo/redo information will be lost if you clean-up.\n\
3291 Clean-up will move all unused files to a \"dead\" location."));
3292
3293         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3294         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3295         checker.set_default_response (RESPONSE_CANCEL);
3296
3297         checker.set_name (_("CleanupDialog"));
3298         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3299         checker.set_position (Gtk::WIN_POS_MOUSE);
3300
3301         switch (checker.run()) {
3302         case RESPONSE_ACCEPT:
3303                 break;
3304         default:
3305                 return;
3306         }
3307
3308         ARDOUR::CleanupReport rep;
3309
3310         editor->prepare_for_cleanup ();
3311
3312         /* do not allow flush until a session is reloaded */
3313
3314         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3315         if (act) {
3316                 act->set_sensitive (false);
3317         }
3318
3319         if (_session->cleanup_sources (rep)) {
3320                 editor->finish_cleanup ();
3321                 return;
3322         }
3323
3324         editor->finish_cleanup ();
3325
3326         checker.hide();
3327         display_cleanup_results (rep, _("Cleaned Files"), false);
3328 }
3329
3330 void
3331 ARDOUR_UI::flush_trash ()
3332 {
3333         if (_session == 0) {
3334                 /* shouldn't happen: menu item is insensitive */
3335                 return;
3336         }
3337
3338         ARDOUR::CleanupReport rep;
3339
3340         if (_session->cleanup_trash_sources (rep)) {
3341                 return;
3342         }
3343
3344         display_cleanup_results (rep, _("deleted file"), true);
3345 }
3346
3347 void
3348 ARDOUR_UI::setup_order_hint ()
3349 {
3350         uint32_t order_hint = 0;
3351
3352         /*
3353           we want the new routes to have their order keys set starting from
3354           the highest order key in the selection + 1 (if available).
3355         */
3356         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3357                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3358                         if ((*s)->route()->order_key() > order_hint) {
3359                                 order_hint = (*s)->route()->order_key();
3360                         }
3361                 }
3362
3363                 if (!mixer->selection().routes.empty()) {
3364                         order_hint++;
3365                 }
3366
3367         } else {
3368                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3369                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3370                         if (tav && tav->route() && tav->route()->order_key() > order_hint) {
3371                                 order_hint = tav->route()->order_key();
3372                         }
3373                 }
3374
3375                 if (!editor->get_selection().tracks.empty()) {
3376                         order_hint++;
3377                 }
3378         }
3379
3380         _session->set_order_hint (order_hint);
3381
3382         /* create a gap in the existing route order keys to accomodate new routes.*/
3383
3384         boost::shared_ptr <RouteList> rd = _session->get_routes();
3385         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3386                 boost::shared_ptr<Route> rt (*ri);
3387
3388                 if (rt->is_monitor()) {
3389                         continue;
3390                 }
3391
3392                 if (rt->order_key () >= order_hint) {
3393                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3394                 }
3395         }
3396 }
3397
3398 void
3399 ARDOUR_UI::add_route (Gtk::Window* float_window)
3400 {
3401         int count;
3402
3403         if (!_session) {
3404                 return;
3405         }
3406
3407         if (add_route_dialog->is_visible()) {
3408                 /* we're already doing this */
3409                 return;
3410         }
3411
3412         if (float_window) {
3413                 add_route_dialog->unset_transient_for ();
3414                 add_route_dialog->set_transient_for (*float_window);
3415         }
3416
3417         ResponseType r = (ResponseType) add_route_dialog->run ();
3418
3419         add_route_dialog->hide();
3420
3421         switch (r) {
3422                 case RESPONSE_ACCEPT:
3423                         break;
3424                 default:
3425                         return;
3426                         break;
3427         }
3428
3429         if ((count = add_route_dialog->count()) <= 0) {
3430                 return;
3431         }
3432
3433         setup_order_hint();
3434
3435         string template_path = add_route_dialog->track_template();
3436         DisplaySuspender ds;
3437
3438         if (!template_path.empty()) {
3439                 if (add_route_dialog->name_template_is_default())  {
3440                         _session->new_route_from_template (count, template_path, string());
3441                 } else {
3442                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3443                 }
3444                 return;
3445         }
3446
3447         ChanCount input_chan= add_route_dialog->channels ();
3448         ChanCount output_chan;
3449         string name_template = add_route_dialog->name_template ();
3450         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3451         RouteGroup* route_group = add_route_dialog->route_group ();
3452         AutoConnectOption oac = Config->get_output_auto_connect();
3453
3454         if (oac & AutoConnectMaster) {
3455                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3456                 output_chan.set (DataType::MIDI, 0);
3457         } else {
3458                 output_chan = input_chan;
3459         }
3460
3461         /* XXX do something with name template */
3462
3463         switch (add_route_dialog->type_wanted()) {
3464         case AddRouteDialog::AudioTrack:
3465                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3466                 break;
3467         case AddRouteDialog::MidiTrack:
3468                 session_add_midi_track (route_group, count, name_template, instrument);
3469                 break;
3470         case AddRouteDialog::MixedTrack:
3471                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3472                 break;
3473         case AddRouteDialog::AudioBus:
3474                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3475                 break;
3476         }
3477 }
3478
3479 void
3480 ARDOUR_UI::stop_video_server (bool ask_confirm)
3481 {
3482         if (!video_server_process && ask_confirm) {
3483                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3484         }
3485         if (video_server_process) {
3486                 if(ask_confirm) {
3487                         ArdourDialog confirm (_("Stop Video-Server"), true);
3488                         Label m (_("Do you really want to stop the Video Server?"));
3489                         confirm.get_vbox()->pack_start (m, true, true);
3490                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3491                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3492                         confirm.show_all ();
3493                         if (confirm.run() == RESPONSE_CANCEL) {
3494                                 return;
3495                         }
3496                 }
3497                 delete video_server_process;
3498                 video_server_process =0;
3499         }
3500 }
3501
3502 void
3503 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3504 {
3505   ARDOUR_UI::start_video_server( float_window, true);
3506 }
3507
3508 bool
3509 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3510 {
3511         if (!_session) {
3512                 return false;
3513         }
3514         if (popup_msg) {
3515                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3516                         if (video_server_process) {
3517                                 popup_error(_("The Video Server is already started."));
3518                         } else {
3519                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3520                         }
3521                 }
3522         }
3523
3524         int firsttime = 0;
3525         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3526                 if (firsttime++) {
3527                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3528                 }
3529                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3530                 if (float_window) {
3531                         video_server_dialog->set_transient_for (*float_window);
3532                 }
3533
3534                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3535                         video_server_dialog->hide();
3536                 } else {
3537                         ResponseType r = (ResponseType) video_server_dialog->run ();
3538                         video_server_dialog->hide();
3539                         if (r != RESPONSE_ACCEPT) { return false; }
3540                         if (video_server_dialog->show_again()) {
3541                                 Config->set_show_video_server_dialog(false);
3542                         }
3543                 }
3544
3545                 std::string icsd_exec = video_server_dialog->get_exec_path();
3546                 std::string icsd_docroot = video_server_dialog->get_docroot();
3547                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3548
3549                 GStatBuf sb;
3550                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3551                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3552                         continue;
3553                 }
3554 #ifndef PLATFORM_WINDOWS
3555                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3556                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3557                         warning << _("Given Video Server is not an executable file.") << endmsg;
3558                         continue;
3559                 }
3560 #else
3561                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3562                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3563                         warning << _("Given Video Server is not an executable file.") << endmsg;
3564                         continue;
3565                 }
3566 #endif
3567
3568                 char **argp;
3569                 argp=(char**) calloc(9,sizeof(char*));
3570                 argp[0] = strdup(icsd_exec.c_str());
3571                 argp[1] = strdup("-P");
3572                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3573                 argp[3] = strdup("-p");
3574                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3575                 argp[5] = strdup("-C");
3576                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3577                 argp[7] = strdup(icsd_docroot.c_str());
3578                 argp[8] = 0;
3579                 stop_video_server();
3580
3581                 if (icsd_docroot == X_("/")) {
3582                         Config->set_video_advanced_setup(false);
3583                 } else {
3584                         std::ostringstream osstream;
3585                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3586                         Config->set_video_server_url(osstream.str());
3587                         Config->set_video_server_docroot(icsd_docroot);
3588                         Config->set_video_advanced_setup(true);
3589                 }
3590
3591                 if (video_server_process) {
3592                         delete video_server_process;
3593                 }
3594
3595                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3596                 if (video_server_process->start()) {
3597                         warning << _("Cannot launch the video-server") << endmsg;
3598                         continue;
3599                 }
3600                 int timeout = 120; // 6 sec
3601                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3602                         Glib::usleep (50000);
3603                         gui_idle_handler();
3604                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3605                 }
3606                 if (timeout <= 0) {
3607                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3608                 } else {
3609                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3610                                 delete video_server_process;
3611                                 video_server_process = 0;
3612                         }
3613                 }
3614         }
3615         return true;
3616 }
3617
3618 void
3619 ARDOUR_UI::add_video (Gtk::Window* float_window)
3620 {
3621         if (!_session) {
3622                 return;
3623         }
3624
3625         if (!start_video_server(float_window, false)) {
3626                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3627                 return;
3628         }
3629
3630         if (float_window) {
3631                 add_video_dialog->set_transient_for (*float_window);
3632         }
3633
3634         if (add_video_dialog->is_visible()) {
3635                 /* we're already doing this */
3636                 return;
3637         }
3638
3639         ResponseType r = (ResponseType) add_video_dialog->run ();
3640         add_video_dialog->hide();
3641         if (r != RESPONSE_ACCEPT) { return; }
3642
3643         bool local_file, orig_local_file;
3644         std::string path = add_video_dialog->file_name(local_file);
3645
3646         std::string orig_path = path;
3647         orig_local_file = local_file;
3648
3649         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3650
3651         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3652                 warning << string_compose(_("could not open %1"), path) << endmsg;
3653                 return;
3654         }
3655         if (!local_file && path.length() == 0) {
3656                 warning << _("no video-file selected") << endmsg;
3657                 return;
3658         }
3659
3660         switch (add_video_dialog->import_option()) {
3661                 case VTL_IMPORT_TRANSCODE:
3662                         {
3663                                 TranscodeVideoDialog *transcode_video_dialog;
3664                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3665                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3666                                 transcode_video_dialog->hide();
3667                                 if (r != RESPONSE_ACCEPT) {
3668                                         delete transcode_video_dialog;
3669                                         return;
3670                                 }
3671                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3672                                         editor->embed_audio_from_video(
3673                                                         transcode_video_dialog->get_audiofile(),
3674                                                         video_timeline->get_offset(),
3675                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3676                                                         );
3677                                 }
3678                                 switch (transcode_video_dialog->import_option()) {
3679                                         case VTL_IMPORT_TRANSCODED:
3680                                                 path = transcode_video_dialog->get_filename();
3681                                                 local_file = true;
3682                                                 break;
3683                                         case VTL_IMPORT_REFERENCE:
3684                                                 break;
3685                                         default:
3686                                                 delete transcode_video_dialog;
3687                                                 return;
3688                                 }
3689                                 delete transcode_video_dialog;
3690                         }
3691                         break;
3692                 default:
3693                 case VTL_IMPORT_NONE:
3694                         break;
3695         }
3696
3697         /* strip _session->session_directory().video_path() from video file if possible */
3698         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3699                  path=path.substr(_session->session_directory().video_path().size());
3700                  if (path.at(0) == G_DIR_SEPARATOR) {
3701                          path=path.substr(1);
3702                  }
3703         }
3704
3705         video_timeline->set_update_session_fps(auto_set_session_fps);
3706         if (video_timeline->video_file_info(path, local_file)) {
3707                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3708                 node->add_property (X_("Filename"), path);
3709                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3710                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3711                 if (orig_local_file) {
3712                         node->add_property (X_("OriginalVideoFile"), orig_path);
3713                 } else {
3714                         node->remove_property (X_("OriginalVideoFile"));
3715                 }
3716                 _session->add_extra_xml (*node);
3717                 _session->set_dirty ();
3718
3719                 _session->maybe_update_session_range(
3720                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3721                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3722
3723
3724                 if (add_video_dialog->launch_xjadeo() && local_file) {
3725                         editor->set_xjadeo_sensitive(true);
3726                         editor->toggle_xjadeo_proc(1);
3727                 } else {
3728                         editor->toggle_xjadeo_proc(0);
3729                 }
3730                 editor->toggle_ruler_video(true);
3731         }
3732 }
3733
3734 void
3735 ARDOUR_UI::remove_video ()
3736 {
3737         video_timeline->close_session();
3738         editor->toggle_ruler_video(false);
3739
3740         /* reset state */
3741         video_timeline->set_offset_locked(false);
3742         video_timeline->set_offset(0);
3743
3744         /* delete session state */
3745         XMLNode* node = new XMLNode(X_("Videotimeline"));
3746         _session->add_extra_xml(*node);
3747         node = new XMLNode(X_("Videomonitor"));
3748         _session->add_extra_xml(*node);
3749         stop_video_server();
3750 }
3751
3752 void
3753 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3754 {
3755         if (localcacheonly) {
3756                 video_timeline->vmon_update();
3757         } else {
3758                 video_timeline->flush_cache();
3759         }
3760         editor->queue_visual_videotimeline_update();
3761 }
3762
3763 XMLNode*
3764 ARDOUR_UI::mixer_settings () const
3765 {
3766         XMLNode* node = 0;
3767
3768         if (_session) {
3769                 node = _session->instant_xml(X_("Mixer"));
3770         } else {
3771                 node = Config->instant_xml(X_("Mixer"));
3772         }
3773
3774         if (!node) {
3775                 node = new XMLNode (X_("Mixer"));
3776         }
3777
3778         return node;
3779 }
3780
3781 XMLNode*
3782 ARDOUR_UI::editor_settings () const
3783 {
3784         XMLNode* node = 0;
3785
3786         if (_session) {
3787                 node = _session->instant_xml(X_("Editor"));
3788         } else {
3789                 node = Config->instant_xml(X_("Editor"));
3790         }
3791
3792         if (!node) {
3793                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3794                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3795                 }
3796         }
3797
3798         if (!node) {
3799                 node = new XMLNode (X_("Editor"));
3800         }
3801
3802         return node;
3803 }
3804
3805 XMLNode*
3806 ARDOUR_UI::keyboard_settings () const
3807 {
3808         XMLNode* node = 0;
3809
3810         node = Config->extra_xml(X_("Keyboard"));
3811
3812         if (!node) {
3813                 node = new XMLNode (X_("Keyboard"));
3814         }
3815
3816         return node;
3817 }
3818
3819 void
3820 ARDOUR_UI::create_xrun_marker (framepos_t where)
3821 {
3822         editor->mouse_add_new_marker (where, false, true);
3823 }
3824
3825 void
3826 ARDOUR_UI::halt_on_xrun_message ()
3827 {
3828         MessageDialog msg (*editor,
3829                            _("Recording was stopped because your system could not keep up."));
3830         msg.run ();
3831 }
3832
3833 void
3834 ARDOUR_UI::xrun_handler (framepos_t where)
3835 {
3836         if (!_session) {
3837                 return;
3838         }
3839
3840         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3841
3842         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3843                 create_xrun_marker(where);
3844         }
3845
3846         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3847                 halt_on_xrun_message ();
3848         }
3849 }
3850
3851 void
3852 ARDOUR_UI::disk_overrun_handler ()
3853 {
3854         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3855
3856         if (!have_disk_speed_dialog_displayed) {
3857                 have_disk_speed_dialog_displayed = true;
3858                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3859 The disk system on your computer\n\
3860 was not able to keep up with %1.\n\
3861 \n\
3862 Specifically, it failed to write data to disk\n\
3863 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3864                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3865                 msg->show ();
3866         }
3867 }
3868
3869
3870 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
3871 static MessageDialog *scan_dlg = NULL;
3872 static ProgressBar   *scan_pbar = NULL;
3873 static HBox          *scan_tbox = NULL;
3874
3875 void
3876 ARDOUR_UI::cancel_plugin_scan ()
3877 {
3878         PluginManager::instance().cancel_plugin_scan();
3879 }
3880
3881 void
3882 ARDOUR_UI::cancel_plugin_timeout ()
3883 {
3884         PluginManager::instance().cancel_plugin_timeout();
3885         scan_tbox->hide();
3886 }
3887
3888 void
3889 ARDOUR_UI::plugin_scan_timeout (int timeout)
3890 {
3891         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
3892                 return;
3893         }
3894         if (timeout > 0) {
3895                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
3896                 scan_tbox->show();
3897         } else {
3898                 scan_tbox->hide();
3899         }
3900         gui_idle_handler();
3901 }
3902
3903 void
3904 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
3905 {
3906         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
3907                 return;
3908         }
3909
3910         const bool cancelled = PluginManager::instance().cancelled();
3911         if (type != X_("closeme") && !Config->get_show_plugin_scan_window()) {
3912                 if (cancelled && scan_dlg->is_mapped()) {
3913                         scan_dlg->hide();
3914                         gui_idle_handler();
3915                         return;
3916                 }
3917                 if (cancelled || !can_cancel) {
3918                         return;
3919                 }
3920         }
3921
3922         static Gtk::Button *cancel_button;
3923         static Gtk::Button *timeout_button;
3924         if (!scan_dlg) {
3925                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
3926                 VBox* vbox = scan_dlg->get_vbox();
3927                 vbox->set_size_request(400,-1);
3928                 scan_dlg->set_title (_("Scanning for plugins"));
3929
3930                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
3931                 cancel_button->set_name ("EditorGTKButton");
3932                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
3933                 cancel_button->show();
3934
3935                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
3936
3937                 scan_tbox = manage( new HBox() );
3938
3939                 timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
3940                 timeout_button->set_name ("EditorGTKButton");
3941                 timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
3942                 timeout_button->show();
3943
3944                 scan_pbar = manage(new ProgressBar());
3945                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
3946                 scan_pbar->set_text(_("Scan Timeout"));
3947                 scan_pbar->show();
3948
3949                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
3950                 scan_tbox->pack_start (*timeout_button, PACK_SHRINK, 4);
3951
3952                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
3953         }
3954
3955         if (type == X_("closeme")) {
3956                 scan_dlg->hide();
3957         } else {
3958                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
3959                 scan_dlg->show();
3960         }
3961         if (!can_cancel || !cancelled) {
3962                 scan_tbox->hide();
3963         }
3964         cancel_button->set_sensitive(can_cancel && !cancelled);
3965
3966         gui_idle_handler();
3967 }
3968
3969 void
3970 ARDOUR_UI::gui_idle_handler ()
3971 {
3972         int timeout = 30;
3973         /* due to idle calls, gtk_events_pending() may always return true */
3974         while (gtk_events_pending() && --timeout) {
3975                 gtk_main_iteration ();
3976         }
3977 }
3978
3979 void
3980 ARDOUR_UI::disk_underrun_handler ()
3981 {
3982         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3983
3984         if (!have_disk_speed_dialog_displayed) {
3985                 have_disk_speed_dialog_displayed = true;
3986                 MessageDialog* msg = new MessageDialog (
3987                         *editor, string_compose (_("The disk system on your computer\n\
3988 was not able to keep up with %1.\n\
3989 \n\
3990 Specifically, it failed to read data from disk\n\
3991 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3992                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3993                 msg->show ();
3994         }
3995 }
3996
3997 void
3998 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3999 {
4000         have_disk_speed_dialog_displayed = false;
4001         delete msg;
4002 }
4003
4004 void
4005 ARDOUR_UI::session_dialog (std::string msg)
4006 {
4007         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4008
4009         MessageDialog* d;
4010
4011         if (editor) {
4012                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4013         } else {
4014                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4015         }
4016
4017         d->show_all ();
4018         d->run ();
4019         delete d;
4020 }
4021
4022 int
4023 ARDOUR_UI::pending_state_dialog ()
4024 {
4025         HBox* hbox = manage (new HBox());
4026         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4027         ArdourDialog dialog (_("Crash Recovery"), true);
4028         Label  message (string_compose (_("\
4029 This session appears to have been in the\n\
4030 middle of recording when %1 or\n\
4031 the computer was shutdown.\n\
4032 \n\
4033 %1 can recover any captured audio for\n\
4034 you, or it can ignore it. Please decide\n\
4035 what you would like to do.\n"), PROGRAM_NAME));
4036         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4037         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4038         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4039         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4040         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4041         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4042         dialog.set_default_response (RESPONSE_ACCEPT);
4043         dialog.set_position (WIN_POS_CENTER);
4044         message.show();
4045         image->show();
4046         hbox->show();
4047
4048         switch (dialog.run ()) {
4049         case RESPONSE_ACCEPT:
4050                 return 1;
4051         default:
4052                 return 0;
4053         }
4054 }
4055
4056 int
4057 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4058 {
4059         HBox* hbox = new HBox();
4060         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4061         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4062         Label  message (string_compose (_("\
4063 This session was created with a sample rate of %1 Hz, but\n\
4064 %2 is currently running at %3 Hz.  If you load this session,\n\
4065 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4066
4067         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4068         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4069         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4070         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4071         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4072         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4073         dialog.set_default_response (RESPONSE_ACCEPT);
4074         dialog.set_position (WIN_POS_CENTER);
4075         message.show();
4076         image->show();
4077         hbox->show();
4078
4079         switch (dialog.run()) {
4080         case RESPONSE_ACCEPT:
4081                 return 0;
4082         default:
4083                 break;
4084         }
4085
4086         return 1;
4087 }
4088
4089 int
4090 ARDOUR_UI::disconnect_from_engine ()
4091 {
4092         /* drop connection to AudioEngine::Halted so that we don't act
4093          *  as if the engine unexpectedly shut down
4094          */
4095
4096         halt_connection.disconnect ();
4097
4098         if (AudioEngine::instance()->stop ()) {
4099                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4100                 msg.run ();
4101                 return -1;
4102         } else {
4103                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4104         }
4105
4106         update_sample_rate (0);
4107         return 0;
4108 }
4109
4110 int
4111 ARDOUR_UI::reconnect_to_engine ()
4112 {
4113         if (AudioEngine::instance()->start ()) {
4114                 if (editor) {
4115                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4116                         msg.run ();
4117                 } else {
4118                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4119                         msg.run ();
4120                 }
4121                 return -1;
4122         }
4123
4124         update_sample_rate (0);
4125         return 0;
4126 }
4127
4128 void
4129 ARDOUR_UI::use_config ()
4130 {
4131         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4132         if (node) {
4133                 set_transport_controllable_state (*node);
4134         }
4135 }
4136
4137 void
4138 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4139 {
4140         if (Config->get_primary_clock_delta_edit_cursor()) {
4141                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
4142         } else {
4143                 primary_clock->set (pos);
4144         }
4145
4146         if (Config->get_secondary_clock_delta_edit_cursor()) {
4147                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
4148         } else {
4149                 secondary_clock->set (pos);
4150         }
4151
4152         if (big_clock_window) {
4153                 big_clock->set (pos);
4154         }
4155         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4156 }
4157
4158 void
4159 ARDOUR_UI::step_edit_status_change (bool yn)
4160 {
4161         // XXX should really store pre-step edit status of things
4162         // we make insensitive
4163
4164         if (yn) {
4165                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4166                 rec_button.set_sensitive (false);
4167         } else {
4168                 rec_button.unset_active_state ();;
4169                 rec_button.set_sensitive (true);
4170         }
4171 }
4172
4173 void
4174 ARDOUR_UI::record_state_changed ()
4175 {
4176         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4177
4178         if (!_session || !big_clock_window) {
4179                 /* why bother - the clock isn't visible */
4180                 return;
4181         }
4182
4183         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4184                 big_clock->set_active (true);
4185         } else {
4186                 big_clock->set_active (false);
4187         }
4188 }
4189
4190 bool
4191 ARDOUR_UI::first_idle ()
4192 {
4193         if (_session) {
4194                 _session->allow_auto_play (true);
4195         }
4196
4197         if (editor) {
4198                 editor->first_idle();
4199         }
4200
4201         Keyboard::set_can_save_keybindings (true);
4202         return false;
4203 }
4204
4205 void
4206 ARDOUR_UI::store_clock_modes ()
4207 {
4208         XMLNode* node = new XMLNode(X_("ClockModes"));
4209
4210         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4211                 XMLNode* child = new XMLNode (X_("Clock"));
4212
4213                 child->add_property (X_("name"), (*x)->name());
4214                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4215                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4216
4217                 node->add_child_nocopy (*child);
4218         }
4219
4220         _session->add_extra_xml (*node);
4221         _session->set_dirty ();
4222 }
4223
4224 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4225         : Controllable (name), ui (u), type(tp)
4226 {
4227
4228 }
4229
4230 void
4231 ARDOUR_UI::TransportControllable::set_value (double val)
4232 {
4233         if (val < 0.5) {
4234                 /* do nothing: these are radio-style actions */
4235                 return;
4236         }
4237
4238         const char *action = 0;
4239
4240         switch (type) {
4241         case Roll:
4242                 action = X_("Roll");
4243                 break;
4244         case Stop:
4245                 action = X_("Stop");
4246                 break;
4247         case GotoStart:
4248                 action = X_("GotoStart");
4249                 break;
4250         case GotoEnd:
4251                 action = X_("GotoEnd");
4252                 break;
4253         case AutoLoop:
4254                 action = X_("Loop");
4255                 break;
4256         case PlaySelection:
4257                 action = X_("PlaySelection");
4258                 break;
4259         case RecordEnable:
4260                 action = X_("Record");
4261                 break;
4262         default:
4263                 break;
4264         }
4265
4266         if (action == 0) {
4267                 return;
4268         }
4269
4270         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4271
4272         if (act) {
4273                 act->activate ();
4274         }
4275 }
4276
4277 double
4278 ARDOUR_UI::TransportControllable::get_value (void) const
4279 {
4280         float val = 0.0;
4281
4282         switch (type) {
4283         case Roll:
4284                 break;
4285         case Stop:
4286                 break;
4287         case GotoStart:
4288                 break;
4289         case GotoEnd:
4290                 break;
4291         case AutoLoop:
4292                 break;
4293         case PlaySelection:
4294                 break;
4295         case RecordEnable:
4296                 break;
4297         default:
4298                 break;
4299         }
4300
4301         return val;
4302 }
4303
4304 void
4305 ARDOUR_UI::setup_profile ()
4306 {
4307         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4308                 Profile->set_small_screen ();
4309         }
4310
4311         if (g_getenv ("ARDOUR_SAE")) {
4312                 Profile->set_sae ();
4313                 Profile->set_single_package ();
4314         }
4315
4316         if (g_getenv ("TRX")) {
4317                 Profile->set_trx ();
4318         }
4319
4320         if (g_getenv ("MIXBUS")) {
4321                 Profile->set_mixbus ();
4322         }
4323 }
4324
4325 int
4326 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4327 {
4328         MissingFileDialog dialog (s, str, type);
4329
4330         dialog.show ();
4331         dialog.present ();
4332
4333         int result = dialog.run ();
4334         dialog.hide ();
4335
4336         switch (result) {
4337         case RESPONSE_OK:
4338                 break;
4339         default:
4340                 return 1; // quit entire session load
4341         }
4342
4343         result = dialog.get_action ();
4344
4345         return result;
4346 }
4347
4348 int
4349 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4350 {
4351         AmbiguousFileDialog dialog (file, hits);
4352
4353         dialog.show ();
4354         dialog.present ();
4355
4356         dialog.run ();
4357         return dialog.get_which ();
4358 }
4359
4360 /** Allocate our thread-local buffers */
4361 void
4362 ARDOUR_UI::get_process_buffers ()
4363 {
4364         _process_thread->get_buffers ();
4365 }
4366
4367 /** Drop our thread-local buffers */
4368 void
4369 ARDOUR_UI::drop_process_buffers ()
4370 {
4371         _process_thread->drop_buffers ();
4372 }
4373
4374 void
4375 ARDOUR_UI::feedback_detected ()
4376 {
4377         _feedback_exists = true;
4378 }
4379
4380 void
4381 ARDOUR_UI::successful_graph_sort ()
4382 {
4383         _feedback_exists = false;
4384 }
4385
4386 void
4387 ARDOUR_UI::midi_panic ()
4388 {
4389         if (_session) {
4390                 _session->midi_panic();
4391         }
4392 }
4393
4394 void
4395 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4396 {
4397         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4398         const char* end_big = "</span>";
4399         const char* start_mono = "<tt>";
4400         const char* end_mono = "</tt>";
4401
4402         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4403                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4404                                              "From now on, use the -2000 version with older versions of %3"),
4405                                            xml_path, backup_path, PROGRAM_NAME,
4406                                            start_big, end_big,
4407                                            start_mono, end_mono), true);
4408
4409         msg.run ();
4410 }
4411
4412
4413 void
4414 ARDOUR_UI::reset_peak_display ()
4415 {
4416         if (!_session || !_session->master_out() || !editor_meter) return;
4417         editor_meter->clear_meters();
4418         editor_meter_max_peak = -INFINITY;
4419         editor_meter_peak_display.set_name ("meterbridge peakindicator");
4420         editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
4421 }
4422
4423 void
4424 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4425 {
4426         if (!_session || !_session->master_out()) return;
4427         if (group == _session->master_out()->route_group()) {
4428                 reset_peak_display ();
4429         }
4430 }
4431
4432 void
4433 ARDOUR_UI::reset_route_peak_display (Route* route)
4434 {
4435         if (!_session || !_session->master_out()) return;
4436         if (_session->master_out().get() == route) {
4437                 reset_peak_display ();
4438         }
4439 }
4440
4441 int
4442 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4443 {
4444         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4445         audio_midi_setup->set_position (WIN_POS_CENTER);
4446
4447         switch (audio_midi_setup->run()) {
4448         case Gtk::RESPONSE_OK:
4449                 return 0;
4450         case Gtk::RESPONSE_APPLY:
4451                 return 0;
4452         default:
4453                 return -1;
4454         }
4455 }
4456
4457
4458 gint
4459 ARDOUR_UI::transport_numpad_timeout ()
4460 {
4461         _numpad_locate_happening = false;
4462         if (_numpad_timeout_connection.connected() )
4463                 _numpad_timeout_connection.disconnect();
4464         return 1;
4465 }
4466
4467 void
4468 ARDOUR_UI::transport_numpad_decimal ()
4469 {
4470         _numpad_timeout_connection.disconnect();
4471
4472         if (_numpad_locate_happening) {
4473                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4474                 _numpad_locate_happening = false;
4475         } else {
4476                 _pending_locate_num = 0;
4477                 _numpad_locate_happening = true;
4478                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4479         }
4480 }
4481
4482 void
4483 ARDOUR_UI::transport_numpad_event (int num)
4484 {
4485         if ( _numpad_locate_happening ) {
4486                 _pending_locate_num = _pending_locate_num*10 + num;
4487         } else {
4488                 switch (num) {
4489                         case 0:  toggle_roll(false, false);             break;
4490                         case 1:  transport_rewind(1);                           break;
4491                         case 2:  transport_forward(1);                          break;
4492                         case 3:  transport_record(true);                        break;
4493                         case 4:  if (_session) _session->request_play_loop(true);                                       break;
4494                         case 5:  if (_session) _session->request_play_loop(true); transport_record(false);      break;
4495                         case 6:  toggle_punch();                                                break;
4496                         case 7:  toggle_click();                                break;
4497                         case 8:  toggle_auto_return();                  break;
4498                         case 9:  toggle_follow_edits();         break;
4499                 }
4500         }
4501 }