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>      ARDOUR_UI::FPSUpdate;
 155 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 156 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 157
 158 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 159
 160         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 161
 162         , gui_object_state (new GUIObjectState)
 163
 164         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 165         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 166
 167           /* big clock */
 168
 169         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 170         , video_timeline(0)
 171
 172           /* start of private members */
 173
 174         , nsm (0)
 175         , _was_dirty (false)
 176         , _mixer_on_top (false)
 177         , first_time_engine_run (true)
 178         , blink_timeout_tag (-1)
 179
 180           /* transport */
 181
 182         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 183         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 184         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 185         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 186         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 187         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 188         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 189
 190         , auto_return_button (ArdourButton::led_default_elements)
 191         , follow_edits_button (ArdourButton::led_default_elements)
 192         , auto_input_button (ArdourButton::led_default_elements)
 193
 194         , auditioning_alert_button (_("Audition"))
 195         , solo_alert_button (_("Solo"))
 196         , feedback_alert_button (_("Feedback"))
 197
 198         , editor_meter(0)
 199         , editor_meter_peak_display()
 200
 201         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 202         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 203         , key_editor (X_("key-editor"), _("Key Bindings"))
 204         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 205         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 206         , about (X_("about"), _("About"))
 207         , location_ui (X_("locations"), _("Locations"))
 208         , route_params (X_("inspector"), _("Tracks and Busses"))
 209         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 210         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 211         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 212         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 213         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 214         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 215         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 216
 217         , error_log_button (_("Errors"))
 218
 219         , _status_bar_visibility (X_("status-bar"))
 220         , _feedback_exists (false)
 221 {
 222         Gtkmm2ext::init(localedir);
 223
 224         splash = 0;
 225
 226         _numpad_locate_happening = false;
 227
 228         if (theArdourUI == 0) {
 229                 theArdourUI = this;
 230         }
 231
 232         ui_config = new UIConfiguration();
 233
 234         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 235         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 236         ui_config->map_parameters (pc);
 237
 238         editor = 0;
 239         mixer = 0;
 240         meterbridge = 0;
 241         editor = 0;
 242         _session_is_new = false;
 243         session_selector_window = 0;
 244         last_key_press_time = 0;
 245         video_server_process = 0;
 246         open_session_selector = 0;
 247         have_configure_timeout = false;
 248         have_disk_speed_dialog_displayed = false;
 249         session_loaded = false;
 250         ignore_dual_punch = false;
 251
 252         roll_button.set_controllable (roll_controllable);
 253         stop_button.set_controllable (stop_controllable);
 254         goto_start_button.set_controllable (goto_start_controllable);
 255         goto_end_button.set_controllable (goto_end_controllable);
 256         auto_loop_button.set_controllable (auto_loop_controllable);
 257         play_selection_button.set_controllable (play_selection_controllable);
 258         rec_button.set_controllable (rec_controllable);
 259
 260         roll_button.set_name ("transport button");
 261         stop_button.set_name ("transport button");
 262         goto_start_button.set_name ("transport button");
 263         goto_end_button.set_name ("transport button");
 264         auto_loop_button.set_name ("transport button");
 265         play_selection_button.set_name ("transport button");
 266         rec_button.set_name ("transport recenable button");
 267         midi_panic_button.set_name ("transport button");
 268
 269         last_configure_time= 0;
 270         last_peak_grab = 0;
 271
 272         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 273         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 274
 275         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 276
 277         /* handle dialog requests */
 278
 279         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 280
 281         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 282
 283         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 284
 285         /* handle Audio/MIDI setup when session requires it */
 286
 287         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 288
 289         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 290
 291         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 292
 293         /* handle requests to quit (coming from JACK session) */
 294
 295         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 296
 297         /* tell the user about feedback */
 298
 299         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 300         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 301
 302         /* handle requests to deal with missing files */
 303
 304         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 305
 306         /* and ambiguous files */
 307
 308         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 309
 310         /* also plugin scan messages */
 311         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 312         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 313
 314         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 315
 316         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 317         set_flat_buttons();
 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                 fps_connection.disconnect();
 997         }
 998
 999         delete ARDOUR_UI::instance()->video_timeline;
1000         ARDOUR_UI::instance()->video_timeline = NULL;
1001         stop_video_server();
1002
1003         /* Save state before deleting the session, as that causes some
1004            windows to be destroyed before their visible state can be
1005            saved.
1006         */
1007         save_ardour_state ();
1008
1009         close_all_dialogs ();
1010
1011         if (_session) {
1012                 // _session->set_deletion_in_progress ();
1013                 _session->set_clean ();
1014                 _session->remove_pending_capture_state ();
1015                 delete _session;
1016                 _session = 0;
1017         }
1018
1019         halt_connection.disconnect ();
1020         AudioEngine::instance()->stop ();
1021 #ifdef WINDOWS_VST_SUPPORT
1022         fst_stop_threading();
1023 #endif
1024         quit ();
1025 }
1026
1027 int
1028 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1029 {
1030         ArdourDialog window (_("Unsaved Session"));
1031         Gtk::HBox dhbox;  // the hbox for the image and text
1032         Gtk::Label  prompt_label;
1033         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1034
1035         string msg;
1036
1037         assert (actions.size() >= 3);
1038
1039         window.add_button (actions[0], RESPONSE_REJECT);
1040         window.add_button (actions[1], RESPONSE_APPLY);
1041         window.add_button (actions[2], RESPONSE_ACCEPT);
1042
1043         window.set_default_response (RESPONSE_ACCEPT);
1044
1045         Gtk::Button noquit_button (msg);
1046         noquit_button.set_name ("EditorGTKButton");
1047
1048         string prompt;
1049
1050         if (_session->snap_name() == _session->name()) {
1051                 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?"),
1052                                         _session->snap_name());
1053         } else {
1054                 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?"),
1055                                         _session->snap_name());
1056         }
1057
1058         prompt_label.set_text (prompt);
1059         prompt_label.set_name (X_("PrompterLabel"));
1060         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1061
1062         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1063         dhbox.set_homogeneous (false);
1064         dhbox.pack_start (*dimage, false, false, 5);
1065         dhbox.pack_start (prompt_label, true, false, 5);
1066         window.get_vbox()->pack_start (dhbox);
1067
1068         window.set_name (_("Prompter"));
1069         window.set_modal (true);
1070         window.set_resizable (false);
1071
1072         dhbox.show();
1073         prompt_label.show();
1074         dimage->show();
1075         window.show();
1076         window.set_keep_above (true);
1077         window.present ();
1078
1079         ResponseType r = (ResponseType) window.run();
1080
1081         window.hide ();
1082
1083         switch (r) {
1084         case RESPONSE_ACCEPT: // save and get out of here
1085                 return 1;
1086         case RESPONSE_APPLY:  // get out of here
1087                 return 0;
1088         default:
1089                 break;
1090         }
1091
1092         return -1;
1093 }
1094
1095
1096 gint
1097 ARDOUR_UI::every_second ()
1098 {
1099         update_cpu_load ();
1100         update_buffer_load ();
1101         update_disk_space ();
1102         update_timecode_format ();
1103
1104         if (nsm && nsm->is_active ()) {
1105                 nsm->check ();
1106
1107                 if (!_was_dirty && _session->dirty ()) {
1108                         nsm->is_dirty ();
1109                         _was_dirty = true;
1110                 }
1111                 else if (_was_dirty && !_session->dirty ()){
1112                         nsm->is_clean ();
1113                         _was_dirty = false;
1114                 }
1115         }
1116         return TRUE;
1117 }
1118
1119 gint
1120 ARDOUR_UI::every_point_one_seconds ()
1121 {
1122         shuttle_box->update_speed_display ();
1123         RapidScreenUpdate(); /* EMIT_SIGNAL */
1124         return TRUE;
1125 }
1126
1127 gint
1128 ARDOUR_UI::every_point_zero_something_seconds ()
1129 {
1130         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1131
1132         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1133         if (editor_meter && Config->get_show_editor_meter()) {
1134                 float mpeak = editor_meter->update_meters();
1135                 if (mpeak > editor_meter_max_peak) {
1136                         if (mpeak >= Config->get_meter_peak()) {
1137                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1138                         }
1139                 }
1140         }
1141         return TRUE;
1142 }
1143
1144 gint
1145 ARDOUR_UI::every_fps ()
1146 {
1147         FPSUpdate(); /* EMIT_SIGNAL */
1148         return TRUE;
1149 }
1150
1151 void
1152 ARDOUR_UI::set_fps_timeout_connection ()
1153 {
1154         unsigned int interval = 40;
1155         if (!_session) return;
1156         if (_session->timecode_frames_per_second() != 0) {
1157                 /* ideally we'll use a select() to sleep and not accumulate
1158                  * idle time to provide a regular periodic signal.
1159                  * See linux_vst_gui_support.cc 'elapsed_time_ms'.
1160                  * However, that'll require a dedicated thread and cross-thread
1161                  * signals to the GUI Thread..
1162                  */
1163                 interval = floor(500. /* update twice per FPS, since Glib::signal_timeout is very irregular */
1164                                 * _session->frame_rate() / _session->nominal_frame_rate()
1165                                 / _session->timecode_frames_per_second()
1166                                 );
1167                 interval = std::max(8u, interval); // at most 120Hz.
1168         }
1169         fps_connection.disconnect();
1170         fps_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::every_fps), interval);
1171 }
1172
1173 void
1174 ARDOUR_UI::update_sample_rate (framecnt_t)
1175 {
1176         char buf[64];
1177
1178         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1179
1180         if (!AudioEngine::instance()->connected()) {
1181
1182                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1183
1184         } else {
1185
1186                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1187
1188                 if (rate == 0) {
1189                         /* no sample rate available */
1190                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1191                 } else {
1192
1193                         if (fmod (rate, 1000.0) != 0.0) {
1194                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1195                                           (float) rate / 1000.0f,
1196                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1197                         } else {
1198                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1199                                           rate/1000,
1200                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1201                         }
1202                 }
1203         }
1204         sample_rate_label.set_markup (buf);
1205 }
1206
1207 void
1208 ARDOUR_UI::update_format ()
1209 {
1210         if (!_session) {
1211                 format_label.set_text ("");
1212                 return;
1213         }
1214
1215         stringstream s;
1216         s << _("File:") << X_(" <span foreground=\"green\">");
1217
1218         switch (_session->config.get_native_file_header_format ()) {
1219         case BWF:
1220                 s << _("BWF");
1221                 break;
1222         case WAVE:
1223                 s << _("WAV");
1224                 break;
1225         case WAVE64:
1226                 s << _("WAV64");
1227                 break;
1228         case CAF:
1229                 s << _("CAF");
1230                 break;
1231         case AIFF:
1232                 s << _("AIFF");
1233                 break;
1234         case iXML:
1235                 s << _("iXML");
1236                 break;
1237         case RF64:
1238                 s << _("RF64");
1239                 break;
1240         }
1241
1242         s << " ";
1243
1244         switch (_session->config.get_native_file_data_format ()) {
1245         case FormatFloat:
1246                 s << _("32-float");
1247                 break;
1248         case FormatInt24:
1249                 s << _("24-int");
1250                 break;
1251         case FormatInt16:
1252                 s << _("16-int");
1253                 break;
1254         }
1255
1256         s << X_("</span>");
1257
1258         format_label.set_markup (s.str ());
1259 }
1260
1261 void
1262 ARDOUR_UI::update_cpu_load ()
1263 {
1264         char buf[64];
1265
1266         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1267            should also be changed.
1268         */
1269
1270         float const c = AudioEngine::instance()->get_dsp_load ();
1271         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1272         cpu_load_label.set_markup (buf);
1273 }
1274
1275 void
1276 ARDOUR_UI::update_buffer_load ()
1277 {
1278         char buf[256];
1279
1280         uint32_t const playback = _session ? _session->playback_load () : 100;
1281         uint32_t const capture = _session ? _session->capture_load () : 100;
1282
1283         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1284            should also be changed.
1285         */
1286
1287         if (_session) {
1288                 snprintf (
1289                         buf, sizeof (buf),
1290                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1291                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1292                         playback <= 5 ? X_("red") : X_("green"),
1293                         playback,
1294                         capture <= 5 ? X_("red") : X_("green"),
1295                         capture
1296                         );
1297
1298                 buffer_load_label.set_markup (buf);
1299         } else {
1300                 buffer_load_label.set_text ("");
1301         }
1302 }
1303
1304 void
1305 ARDOUR_UI::count_recenabled_streams (Route& route)
1306 {
1307         Track* track = dynamic_cast<Track*>(&route);
1308         if (track && track->record_enabled()) {
1309                 rec_enabled_streams += track->n_inputs().n_total();
1310         }
1311 }
1312
1313 void
1314 ARDOUR_UI::update_disk_space()
1315 {
1316         if (_session == 0) {
1317                 return;
1318         }
1319
1320         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1321         char buf[64];
1322         framecnt_t fr = _session->frame_rate();
1323
1324         if (fr == 0) {
1325                 /* skip update - no SR available */
1326                 return;
1327         }
1328
1329         if (!opt_frames) {
1330                 /* Available space is unknown */
1331                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1332         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1333                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1334         } else {
1335                 rec_enabled_streams = 0;
1336                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1337
1338                 framecnt_t frames = opt_frames.get_value_or (0);
1339
1340                 if (rec_enabled_streams) {
1341                         frames /= rec_enabled_streams;
1342                 }
1343
1344                 int hrs;
1345                 int mins;
1346                 int secs;
1347
1348                 hrs  = frames / (fr * 3600);
1349
1350                 if (hrs > 24) {
1351                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1352                 } else {
1353                         frames -= hrs * fr * 3600;
1354                         mins = frames / (fr * 60);
1355                         frames -= mins * fr * 60;
1356                         secs = frames / fr;
1357
1358                         bool const low = (hrs == 0 && mins <= 30);
1359
1360                         snprintf (
1361                                 buf, sizeof(buf),
1362                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1363                                 low ? X_("red") : X_("green"),
1364                                 hrs, mins, secs
1365                                 );
1366                 }
1367         }
1368
1369         disk_space_label.set_markup (buf);
1370 }
1371
1372 void
1373 ARDOUR_UI::update_timecode_format ()
1374 {
1375         char buf[64];
1376
1377         if (_session) {
1378                 bool matching;
1379                 TimecodeSlave* tcslave;
1380                 SyncSource sync_src = Config->get_sync_source();
1381
1382                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1383                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1384                 } else {
1385                         matching = true;
1386                 }
1387
1388                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1389                           matching ? X_("green") : X_("red"),
1390                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1391         } else {
1392                 snprintf (buf, sizeof (buf), "TC: n/a");
1393         }
1394
1395         timecode_format_label.set_markup (buf);
1396 }
1397
1398 gint
1399 ARDOUR_UI::update_wall_clock ()
1400 {
1401         time_t now;
1402         struct tm *tm_now;
1403         static int last_min = -1;
1404
1405         time (&now);
1406         tm_now = localtime (&now);
1407         if (last_min != tm_now->tm_min) {
1408                 char buf[16];
1409                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1410                 wall_clock_label.set_text (buf);
1411                 last_min = tm_now->tm_min;
1412         }
1413
1414         return TRUE;
1415 }
1416
1417 void
1418 ARDOUR_UI::redisplay_recent_sessions ()
1419 {
1420         std::vector<std::string> session_directories;
1421         RecentSessionsSorter cmp;
1422
1423         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1424         recent_session_model->clear ();
1425
1426         ARDOUR::RecentSessions rs;
1427         ARDOUR::read_recent_sessions (rs);
1428
1429         if (rs.empty()) {
1430                 recent_session_display.set_model (recent_session_model);
1431                 return;
1432         }
1433
1434         // sort them alphabetically
1435         sort (rs.begin(), rs.end(), cmp);
1436
1437         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1438                 session_directories.push_back ((*i).second);
1439         }
1440
1441         for (vector<std::string>::const_iterator i = session_directories.begin();
1442                         i != session_directories.end(); ++i)
1443         {
1444                 std::vector<std::string> state_file_paths;
1445
1446                 // now get available states for this session
1447
1448                 get_state_files_in_directory (*i, state_file_paths);
1449
1450                 vector<string> states;
1451                 vector<const gchar*> item;
1452                 string fullpath = *i;
1453
1454                 /* remove any trailing / */
1455
1456                 if (fullpath[fullpath.length() - 1] == '/') {
1457                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1458                 }
1459
1460                 /* check whether session still exists */
1461                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1462                         /* session doesn't exist */
1463                         continue;
1464                 }
1465
1466                 /* now get available states for this session */
1467                 states = Session::possible_states (fullpath);
1468
1469                 if (states.empty()) {
1470                         /* no state file? */
1471                         continue;
1472                 }
1473
1474                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1475
1476                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1477
1478                 row[recent_session_columns.fullpath] = fullpath;
1479                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1480
1481                 if (state_file_names.size() > 1) {
1482                         // multiple session files in the session directory - show the directory name.
1483                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1484
1485                         // add the children
1486                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1487                                         i2 != state_file_names.end(); ++i2)
1488                         {
1489
1490                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1491
1492                                 child_row[recent_session_columns.visible_name] = *i2;
1493                                 child_row[recent_session_columns.fullpath] = fullpath;
1494                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1495                         }
1496                 } else {
1497                         // only a single session file in the directory - show its actual name.
1498                         row[recent_session_columns.visible_name] = state_file_names.front ();
1499                 }
1500         }
1501
1502         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1503         recent_session_display.set_model (recent_session_model);
1504 }
1505
1506 void
1507 ARDOUR_UI::build_session_selector ()
1508 {
1509         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1510
1511         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1512
1513         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1514         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1515         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1516         recent_session_model = TreeStore::create (recent_session_columns);
1517         recent_session_display.set_model (recent_session_model);
1518         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1519         recent_session_display.set_headers_visible (false);
1520         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1521         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1522
1523         scroller->add (recent_session_display);
1524         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1525
1526         session_selector_window->set_name ("SessionSelectorWindow");
1527         session_selector_window->set_size_request (200, 400);
1528         session_selector_window->get_vbox()->pack_start (*scroller);
1529
1530         recent_session_display.show();
1531         scroller->show();
1532 }
1533
1534 void
1535 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1536 {
1537         session_selector_window->response (RESPONSE_ACCEPT);
1538 }
1539
1540 void
1541 ARDOUR_UI::open_recent_session ()
1542 {
1543         bool can_return = (_session != 0);
1544
1545         if (session_selector_window == 0) {
1546                 build_session_selector ();
1547         }
1548
1549         redisplay_recent_sessions ();
1550
1551         while (true) {
1552
1553                 ResponseType r = (ResponseType) session_selector_window->run ();
1554
1555                 switch (r) {
1556                 case RESPONSE_ACCEPT:
1557                         break;
1558                 default:
1559                         if (can_return) {
1560                                 session_selector_window->hide();
1561                                 return;
1562                         } else {
1563                                 exit (1);
1564                         }
1565                 }
1566
1567                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1568                         continue;
1569                 }
1570
1571                 session_selector_window->hide();
1572
1573                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1574
1575                 if (i == recent_session_model->children().end()) {
1576                         return;
1577                 }
1578
1579                 std::string path = (*i)[recent_session_columns.fullpath];
1580                 std::string state = (*i)[recent_session_columns.visible_name];
1581
1582                 _session_is_new = false;
1583
1584                 if (load_session (path, state) == 0) {
1585                         break;
1586                 }
1587
1588                 can_return = false;
1589         }
1590 }
1591
1592 bool
1593 ARDOUR_UI::check_audioengine ()
1594 {
1595         if (!AudioEngine::instance()->connected()) {
1596                 MessageDialog msg (string_compose (
1597                                            _("%1 is not connected to any audio backend.\n"
1598                                              "You cannot open or close sessions in this condition"),
1599                                            PROGRAM_NAME));
1600                 pop_back_splash (msg);
1601                 msg.run ();
1602                 return false;
1603         }
1604         return true;
1605 }
1606
1607 void
1608 ARDOUR_UI::open_session ()
1609 {
1610         if (!check_audioengine()) {
1611                 return;
1612
1613         }
1614
1615         /* popup selector window */
1616
1617         if (open_session_selector == 0) {
1618
1619                 /* ardour sessions are folders */
1620
1621                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1622                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1623                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1624                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1625
1626                 if (_session) {
1627                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1628                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1629                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1630                         open_session_selector->set_current_folder(session_parent_dir);
1631                 } else {
1632                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1633                 }
1634
1635                 string default_session_folder = Config->get_default_session_parent_dir();
1636                 try {
1637                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1638                         open_session_selector->add_shortcut_folder (default_session_folder);
1639                 }
1640                 catch (Glib::Error & e) {
1641                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1642                 }
1643
1644                 FileFilter session_filter;
1645                 session_filter.add_pattern ("*.ardour");
1646                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1647                 open_session_selector->add_filter (session_filter);
1648                 open_session_selector->set_filter (session_filter);
1649         }
1650
1651         int response = open_session_selector->run();
1652         open_session_selector->hide ();
1653
1654         switch (response) {
1655         case RESPONSE_ACCEPT:
1656                 break;
1657         default:
1658                 open_session_selector->hide();
1659                 return;
1660         }
1661
1662         open_session_selector->hide();
1663         string session_path = open_session_selector->get_filename();
1664         string path, name;
1665         bool isnew;
1666
1667         if (session_path.length() > 0) {
1668                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1669                         _session_is_new = isnew;
1670                         load_session (path, name);
1671                 }
1672         }
1673 }
1674
1675
1676 void
1677 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1678                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1679 {
1680         list<boost::shared_ptr<MidiTrack> > tracks;
1681
1682         if (_session == 0) {
1683                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1684                 return;
1685         }
1686
1687         try {
1688                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1689
1690                 if (tracks.size() != how_many) {
1691                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1692                 }
1693         }
1694
1695         catch (...) {
1696                 MessageDialog msg (*editor,
1697                                    string_compose (_("There are insufficient ports available\n\
1698 to create a new track or bus.\n\
1699 You should save %1, exit and\n\
1700 restart with more ports."), PROGRAM_NAME));
1701                 msg.run ();
1702         }
1703 }
1704
1705
1706 void
1707 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1708 {
1709         ChanCount one_midi_channel;
1710         one_midi_channel.set (DataType::MIDI, 1);
1711
1712         if (disk) {
1713                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1714         }
1715 }
1716
1717 void
1718 ARDOUR_UI::session_add_audio_route (
1719         bool track,
1720         int32_t input_channels,
1721         int32_t output_channels,
1722         ARDOUR::TrackMode mode,
1723         RouteGroup* route_group,
1724         uint32_t how_many,
1725         string const & name_template
1726         )
1727 {
1728         list<boost::shared_ptr<AudioTrack> > tracks;
1729         RouteList routes;
1730
1731         if (_session == 0) {
1732                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1733                 return;
1734         }
1735
1736         try {
1737                 if (track) {
1738                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1739
1740                         if (tracks.size() != how_many) {
1741                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1742                                       << endmsg;
1743                         }
1744
1745                 } else {
1746
1747                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1748
1749                         if (routes.size() != how_many) {
1750                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1751                                       << endmsg;
1752                         }
1753                 }
1754         }
1755
1756         catch (...) {
1757                 MessageDialog msg (*editor,
1758                                    string_compose (_("There are insufficient ports available\n\
1759 to create a new track or bus.\n\
1760 You should save %1, exit and\n\
1761 restart with more ports."), PROGRAM_NAME));
1762                 pop_back_splash (msg);
1763                 msg.run ();
1764         }
1765 }
1766
1767 void
1768 ARDOUR_UI::transport_goto_start ()
1769 {
1770         if (_session) {
1771                 _session->goto_start();
1772
1773                 /* force displayed area in editor to start no matter
1774                    what "follow playhead" setting is.
1775                 */
1776
1777                 if (editor) {
1778                         editor->center_screen (_session->current_start_frame ());
1779                 }
1780         }
1781 }
1782
1783 void
1784 ARDOUR_UI::transport_goto_zero ()
1785 {
1786         if (_session) {
1787                 _session->request_locate (0);
1788
1789                 /* force displayed area in editor to start no matter
1790                    what "follow playhead" setting is.
1791                 */
1792
1793                 if (editor) {
1794                         editor->reset_x_origin (0);
1795                 }
1796         }
1797 }
1798
1799 void
1800 ARDOUR_UI::transport_goto_wallclock ()
1801 {
1802         if (_session && editor) {
1803
1804                 time_t now;
1805                 struct tm tmnow;
1806                 framepos_t frames;
1807
1808                 time (&now);
1809                 localtime_r (&now, &tmnow);
1810
1811                 int frame_rate = _session->frame_rate();
1812
1813                 if (frame_rate == 0) {
1814                         /* no frame rate available */
1815                         return;
1816                 }
1817
1818                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1819                 frames += tmnow.tm_min * (60 * frame_rate);
1820                 frames += tmnow.tm_sec * frame_rate;
1821
1822                 _session->request_locate (frames, _session->transport_rolling ());
1823
1824                 /* force displayed area in editor to start no matter
1825                    what "follow playhead" setting is.
1826                 */
1827
1828                 if (editor) {
1829                         editor->center_screen (frames);
1830                 }
1831         }
1832 }
1833
1834 void
1835 ARDOUR_UI::transport_goto_end ()
1836 {
1837         if (_session) {
1838                 framepos_t const frame = _session->current_end_frame();
1839                 _session->request_locate (frame);
1840
1841                 /* force displayed area in editor to start no matter
1842                    what "follow playhead" setting is.
1843                 */
1844
1845                 if (editor) {
1846                         editor->center_screen (frame);
1847                 }
1848         }
1849 }
1850
1851 void
1852 ARDOUR_UI::transport_stop ()
1853 {
1854         if (!_session) {
1855                 return;
1856         }
1857
1858         if (_session->is_auditioning()) {
1859                 _session->cancel_audition ();
1860                 return;
1861         }
1862
1863         _session->request_stop (false, true);
1864 }
1865
1866 /** Check if any tracks are record enabled. If none are, record enable all of them.
1867  * @return true if track record-enabled status was changed, false otherwise.
1868  */
1869 bool
1870 ARDOUR_UI::trx_record_enable_all_tracks ()
1871 {
1872         if (!_session) {
1873                 return false;
1874         }
1875
1876         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
1877         bool none_record_enabled = true;
1878
1879         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1880                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
1881                 assert (t);
1882
1883                 if (t->record_enabled()) {
1884                         none_record_enabled = false;
1885                         break;
1886                 }
1887         }
1888
1889         if (none_record_enabled) {
1890                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
1891         }
1892
1893         return none_record_enabled;
1894 }
1895
1896 void
1897 ARDOUR_UI::transport_record (bool roll)
1898 {
1899         if (_session) {
1900                 switch (_session->record_status()) {
1901                 case Session::Disabled:
1902                         if (_session->ntracks() == 0) {
1903                                 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."));
1904                                 msg.run ();
1905                                 return;
1906                         }
1907                         if (Profile->get_trx()) {
1908                                 roll = trx_record_enable_all_tracks ();
1909                         }
1910                         _session->maybe_enable_record ();
1911                         if (roll) {
1912                                 transport_roll ();
1913                         }
1914                         break;
1915                 case Session::Recording:
1916                         if (roll) {
1917                                 _session->request_stop();
1918                         } else {
1919                                 _session->disable_record (false, true);
1920                         }
1921                         break;
1922
1923                 case Session::Enabled:
1924                         _session->disable_record (false, true);
1925                 }
1926         }
1927 }
1928
1929 void
1930 ARDOUR_UI::transport_roll ()
1931 {
1932         if (!_session) {
1933                 return;
1934         }
1935
1936         if (_session->is_auditioning()) {
1937                 return;
1938         }
1939
1940 #if 0
1941         if (_session->config.get_external_sync()) {
1942                 switch (Config->get_sync_source()) {
1943                 case Engine:
1944                         break;
1945                 default:
1946                         /* transport controlled by the master */
1947                         return;
1948                 }
1949         }
1950 #endif
1951
1952         bool rolling = _session->transport_rolling();
1953
1954         if (_session->get_play_loop()) {
1955
1956                 /* If loop playback is not a mode, then we should cancel
1957                    it when this action is requested. If it is a mode
1958                    we just leave it in place.
1959                 */
1960
1961                 if (!Config->get_loop_is_mode()) {
1962                         /* XXX it is not possible to just leave seamless loop and keep
1963                            playing at present (nov 4th 2009)
1964                         */
1965                         if (!Config->get_seamless_loop()) {
1966                                 /* stop loop playback and stop rolling */
1967                                 _session->request_play_loop (false, true);
1968                         } else if (rolling) {
1969                                 /* stop loop playback but keep rolling */
1970                                 _session->request_play_loop (false, false);
1971                         }
1972                 }
1973
1974         } else if (_session->get_play_range () ) {
1975                 /* stop playing a range if we currently are */
1976                 _session->request_play_range (0, true);
1977         }
1978
1979         if (!rolling) {
1980                 _session->request_transport_speed (1.0f);
1981         }
1982 }
1983
1984 bool
1985 ARDOUR_UI::get_smart_mode() const
1986 {
1987         return ( editor->get_smart_mode() );
1988 }
1989
1990
1991 void
1992 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1993 {
1994
1995         if (!_session) {
1996                 return;
1997         }
1998
1999         if (_session->is_auditioning()) {
2000                 _session->cancel_audition ();
2001                 return;
2002         }
2003
2004         if (_session->config.get_external_sync()) {
2005                 switch (Config->get_sync_source()) {
2006                 case Engine:
2007                         break;
2008                 default:
2009                         /* transport controlled by the master */
2010                         return;
2011                 }
2012         }
2013
2014         bool rolling = _session->transport_rolling();
2015         bool affect_transport = true;
2016
2017         if (rolling && roll_out_of_bounded_mode) {
2018                 /* drop out of loop/range playback but leave transport rolling */
2019                 if (_session->get_play_loop()) {
2020                         if (Config->get_seamless_loop()) {
2021                                 /* the disk buffers contain copies of the loop - we can't
2022                                    just keep playing, so stop the transport. the user
2023                                    can restart as they wish.
2024                                 */
2025                                 affect_transport = true;
2026                         } else {
2027                                 /* disk buffers are normal, so we can keep playing */
2028                                 affect_transport = false;
2029                         }
2030                         _session->request_play_loop (false, affect_transport);
2031                 } else if (_session->get_play_range ()) {
2032                         affect_transport = false;
2033                         _session->request_play_range (0, true);
2034                 }
2035         }
2036
2037         if (affect_transport) {
2038                 if (rolling) {
2039                         _session->request_stop (with_abort, true);
2040                 } else {
2041                         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
2042                                 _session->request_play_range (&editor->get_selection().time, true);
2043                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2044                         }
2045                         _session->request_transport_speed (1.0f);
2046                 }
2047         }
2048 }
2049
2050 void
2051 ARDOUR_UI::toggle_session_auto_loop ()
2052 {
2053         Location * looploc = _session->locations()->auto_loop_location();
2054
2055         if (!_session || !looploc) {
2056                 return;
2057         }
2058
2059         if (_session->get_play_loop()) {
2060
2061                 /* looping enabled, our job is to disable it */
2062
2063                 _session->request_play_loop (false);
2064
2065         } else {
2066
2067                 /* looping not enabled, our job is to enable it.
2068
2069                    loop-is-NOT-mode: this action always starts the transport rolling.
2070                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2071                                         does not start transport.
2072                 */
2073                 if (Config->get_loop_is_mode()) {
2074                         _session->request_play_loop (true, false);
2075                 } else {
2076                         _session->request_play_loop (true, true);
2077                 }
2078         }
2079
2080         //show the loop markers
2081         looploc->set_hidden (false, this);
2082 }
2083
2084 void
2085 ARDOUR_UI::transport_play_selection ()
2086 {
2087         if (!_session) {
2088                 return;
2089         }
2090
2091         editor->play_selection ();
2092 }
2093
2094 void
2095 ARDOUR_UI::transport_play_preroll ()
2096 {
2097         if (!_session) {
2098                 return;
2099         }
2100         editor->play_with_preroll ();
2101 }
2102
2103 void
2104 ARDOUR_UI::transport_rewind (int option)
2105 {
2106         float current_transport_speed;
2107
2108         if (_session) {
2109                 current_transport_speed = _session->transport_speed();
2110
2111                 if (current_transport_speed >= 0.0f) {
2112                         switch (option) {
2113                         case 0:
2114                                 _session->request_transport_speed (-1.0f);
2115                                 break;
2116                         case 1:
2117                                 _session->request_transport_speed (-4.0f);
2118                                 break;
2119                         case -1:
2120                                 _session->request_transport_speed (-0.5f);
2121                                 break;
2122                         }
2123                 } else {
2124                         /* speed up */
2125                         _session->request_transport_speed (current_transport_speed * 1.5f);
2126                 }
2127         }
2128 }
2129
2130 void
2131 ARDOUR_UI::transport_forward (int option)
2132 {
2133         if (!_session) {
2134                 return;
2135         }
2136
2137         float current_transport_speed = _session->transport_speed();
2138
2139         if (current_transport_speed <= 0.0f) {
2140                 switch (option) {
2141                 case 0:
2142                         _session->request_transport_speed (1.0f);
2143                         break;
2144                 case 1:
2145                         _session->request_transport_speed (4.0f);
2146                         break;
2147                 case -1:
2148                         _session->request_transport_speed (0.5f);
2149                         break;
2150                 }
2151         } else {
2152                 /* speed up */
2153                 _session->request_transport_speed (current_transport_speed * 1.5f);
2154         }
2155 }
2156
2157 void
2158 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2159 {
2160         if (!_session) {
2161                 return;
2162         }
2163
2164         boost::shared_ptr<Route> r;
2165
2166         if ((r = _session->route_by_remote_id (rid)) != 0) {
2167
2168                 Track* t;
2169
2170                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2171                         t->set_record_enabled (!t->record_enabled(), this);
2172                 }
2173         }
2174 }
2175
2176 void
2177 ARDOUR_UI::map_transport_state ()
2178 {
2179         if (!_session) {
2180                 auto_loop_button.unset_active_state ();
2181                 play_selection_button.unset_active_state ();
2182                 roll_button.unset_active_state ();
2183                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2184                 return;
2185         }
2186
2187         shuttle_box->map_transport_state ();
2188
2189         float sp = _session->transport_speed();
2190
2191         if (sp != 0.0f) {
2192
2193                 /* we're rolling */
2194
2195                 if (_session->get_play_range()) {
2196
2197                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2198                         roll_button.unset_active_state ();
2199                         auto_loop_button.unset_active_state ();
2200
2201                 } else if (_session->get_play_loop ()) {
2202
2203                         auto_loop_button.set_active (true);
2204                         play_selection_button.set_active (false);
2205                         if (Config->get_loop_is_mode()) {
2206                                 roll_button.set_active (true);
2207                         } else {
2208                                 roll_button.set_active (false);
2209                         }
2210
2211                 } else {
2212
2213                         roll_button.set_active (true);
2214                         play_selection_button.set_active (false);
2215                         auto_loop_button.set_active (false);
2216                 }
2217
2218                 if (Config->get_follow_edits()) {
2219                         /* light up both roll and play-selection if they are joined */
2220                         roll_button.set_active (true);
2221                         play_selection_button.set_active (true);
2222                 }
2223
2224                 stop_button.set_active (false);
2225
2226         } else {
2227
2228                 stop_button.set_active (true);
2229                 roll_button.set_active (false);
2230                 play_selection_button.set_active (false);
2231                 if (Config->get_loop_is_mode ()) {
2232                         auto_loop_button.set_active (_session->get_play_loop());
2233                 } else {
2234                         auto_loop_button.set_active (false);
2235                 }
2236                 update_disk_space ();
2237         }
2238 }
2239
2240 void
2241 ARDOUR_UI::update_clocks ()
2242 {
2243         if (!editor || !editor->dragging_playhead()) {
2244                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2245         }
2246 }
2247
2248 void
2249 ARDOUR_UI::start_clocking ()
2250 {
2251         if (Config->get_super_rapid_clock_update()) {
2252                 clock_signal_connection = FPSUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2253         } else {
2254                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2255         }
2256 }
2257
2258 void
2259 ARDOUR_UI::stop_clocking ()
2260 {
2261         clock_signal_connection.disconnect ();
2262 }
2263
2264 gint
2265 ARDOUR_UI::_blink (void *arg)
2266 {
2267         ((ARDOUR_UI *) arg)->blink ();
2268         return TRUE;
2269 }
2270
2271 void
2272 ARDOUR_UI::blink ()
2273 {
2274         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2275 }
2276
2277 void
2278 ARDOUR_UI::start_blinking ()
2279 {
2280         /* Start the blink signal. Everybody with a blinking widget
2281            uses Blink to drive the widget's state.
2282         */
2283
2284         if (blink_timeout_tag < 0) {
2285                 blink_on = false;
2286                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2287         }
2288 }
2289
2290 void
2291 ARDOUR_UI::stop_blinking ()
2292 {
2293         if (blink_timeout_tag >= 0) {
2294                 g_source_remove (blink_timeout_tag);
2295                 blink_timeout_tag = -1;
2296         }
2297 }
2298
2299
2300 /** Ask the user for the name of a new snapshot and then take it.
2301  */
2302
2303 void
2304 ARDOUR_UI::snapshot_session (bool switch_to_it)
2305 {
2306         ArdourPrompter prompter (true);
2307         string snapname;
2308
2309         prompter.set_name ("Prompter");
2310         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2311         if (switch_to_it) {
2312                 prompter.set_title (_("Save as..."));
2313                 prompter.set_prompt (_("New session name"));
2314         } else {
2315                 prompter.set_title (_("Take Snapshot"));
2316                 prompter.set_prompt (_("Name of new snapshot"));
2317         }
2318
2319         if (!switch_to_it) {
2320                 char timebuf[128];
2321                 time_t n;
2322                 struct tm local_time;
2323
2324                 time (&n);
2325                 localtime_r (&n, &local_time);
2326                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2327                 prompter.set_initial_text (timebuf);
2328         }
2329
2330   again:
2331         switch (prompter.run()) {
2332         case RESPONSE_ACCEPT:
2333         {
2334                 prompter.get_result (snapname);
2335
2336                 bool do_save = (snapname.length() != 0);
2337
2338                 if (do_save) {
2339                         char illegal = Session::session_name_is_legal(snapname);
2340                         if (illegal) {
2341                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2342                                                      "snapshot names may not contain a '%1' character"), illegal));
2343                                 msg.run ();
2344                                 goto again;
2345                         }
2346                 }
2347
2348                 vector<std::string> p;
2349                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2350                 vector<string> n = get_file_names_no_extension (p);
2351                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2352
2353                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2354                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2355                         confirm.get_vbox()->pack_start (m, true, true);
2356                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2357                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2358                         confirm.show_all ();
2359                         switch (confirm.run()) {
2360                         case RESPONSE_CANCEL:
2361                                 do_save = false;
2362                         }
2363                 }
2364
2365                 if (do_save) {
2366                         save_state (snapname, switch_to_it);
2367                 }
2368                 break;
2369         }
2370
2371         default:
2372                 break;
2373         }
2374 }
2375
2376 /** Ask the user for a new session name and then rename the session to it.
2377  */
2378
2379 void
2380 ARDOUR_UI::rename_session ()
2381 {
2382         if (!_session) {
2383                 return;
2384         }
2385
2386         ArdourPrompter prompter (true);
2387         string name;
2388
2389         prompter.set_name ("Prompter");
2390         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2391         prompter.set_title (_("Rename Session"));
2392         prompter.set_prompt (_("New session name"));
2393
2394   again:
2395         switch (prompter.run()) {
2396         case RESPONSE_ACCEPT:
2397         {
2398                 prompter.get_result (name);
2399
2400                 bool do_rename = (name.length() != 0);
2401
2402                 if (do_rename) {
2403                         char illegal = Session::session_name_is_legal (name);
2404
2405                         if (illegal) {
2406                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2407                                                                      "session names may not contain a '%1' character"), illegal));
2408                                 msg.run ();
2409                                 goto again;
2410                         }
2411
2412                         switch (_session->rename (name)) {
2413                         case -1: {
2414                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2415                                 msg.set_position (WIN_POS_MOUSE);
2416                                 msg.run ();
2417                                 goto again;
2418                                 break;
2419                         }
2420                         case 0:
2421                                 break;
2422                         default: {
2423                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2424                                 msg.set_position (WIN_POS_MOUSE);
2425                                 msg.run ();
2426                                 break;
2427                         }
2428                         }
2429                 }
2430
2431                 break;
2432         }
2433
2434         default:
2435                 break;
2436         }
2437 }
2438
2439 void
2440 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2441 {
2442         XMLNode* node = new XMLNode (X_("UI"));
2443
2444         WM::Manager::instance().add_state (*node);
2445
2446         node->add_child_nocopy (gui_object_state->get_state());
2447
2448         _session->add_extra_xml (*node);
2449
2450         save_state_canfail (name, switch_to_it);
2451 }
2452
2453 int
2454 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2455 {
2456         if (_session) {
2457                 int ret;
2458
2459                 if (name.length() == 0) {
2460                         name = _session->snap_name();
2461                 }
2462
2463                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2464                         return ret;
2465                 }
2466         }
2467
2468         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2469         return 0;
2470 }
2471
2472 void
2473 ARDOUR_UI::primary_clock_value_changed ()
2474 {
2475         if (_session) {
2476                 _session->request_locate (primary_clock->current_time ());
2477         }
2478 }
2479
2480 void
2481 ARDOUR_UI::big_clock_value_changed ()
2482 {
2483         if (_session) {
2484                 _session->request_locate (big_clock->current_time ());
2485         }
2486 }
2487
2488 void
2489 ARDOUR_UI::secondary_clock_value_changed ()
2490 {
2491         if (_session) {
2492                 _session->request_locate (secondary_clock->current_time ());
2493         }
2494 }
2495
2496 void
2497 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2498 {
2499         if (_session == 0) {
2500                 return;
2501         }
2502
2503         if (_session->step_editing()) {
2504                 return;
2505         }
2506
2507         Session::RecordState const r = _session->record_status ();
2508         bool const h = _session->have_rec_enabled_track ();
2509
2510         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2511                 if (onoff) {
2512                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2513                 } else {
2514                         rec_button.set_active_state (Gtkmm2ext::Off);
2515                 }
2516         } else if (r == Session::Recording && h) {
2517                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2518         } else {
2519                 rec_button.unset_active_state ();
2520         }
2521 }
2522
2523 void
2524 ARDOUR_UI::save_template ()
2525 {
2526         ArdourPrompter prompter (true);
2527         string name;
2528
2529         if (!check_audioengine()) {
2530                 return;
2531         }
2532
2533         prompter.set_name (X_("Prompter"));
2534         prompter.set_title (_("Save Template"));
2535         prompter.set_prompt (_("Name for template:"));
2536         prompter.set_initial_text(_session->name() + _("-template"));
2537         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2538
2539         switch (prompter.run()) {
2540         case RESPONSE_ACCEPT:
2541                 prompter.get_result (name);
2542
2543                 if (name.length()) {
2544                         _session->save_template (name);
2545                 }
2546                 break;
2547
2548         default:
2549                 break;
2550         }
2551 }
2552
2553 void
2554 ARDOUR_UI::edit_metadata ()
2555 {
2556         SessionMetadataEditor dialog;
2557         dialog.set_session (_session);
2558         editor->ensure_float (dialog);
2559         dialog.run ();
2560 }
2561
2562 void
2563 ARDOUR_UI::import_metadata ()
2564 {
2565         SessionMetadataImporter dialog;
2566         dialog.set_session (_session);
2567         editor->ensure_float (dialog);
2568         dialog.run ();
2569 }
2570
2571 bool
2572 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2573 {
2574         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2575
2576         MessageDialog msg (str,
2577                            false,
2578                            Gtk::MESSAGE_WARNING,
2579                            Gtk::BUTTONS_YES_NO,
2580                            true);
2581
2582
2583         msg.set_name (X_("OpenExistingDialog"));
2584         msg.set_title (_("Open Existing Session"));
2585         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2586         msg.set_position (Gtk::WIN_POS_MOUSE);
2587         pop_back_splash (msg);
2588
2589         switch (msg.run()) {
2590         case RESPONSE_YES:
2591                 return true;
2592                 break;
2593         }
2594         return false;
2595 }
2596
2597 int
2598 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2599 {
2600         BusProfile bus_profile;
2601
2602         if (nsm || Profile->get_sae()) {
2603
2604                 bus_profile.master_out_channels = 2;
2605                 bus_profile.input_ac = AutoConnectPhysical;
2606                 bus_profile.output_ac = AutoConnectMaster;
2607                 bus_profile.requested_physical_in = 0; // use all available
2608                 bus_profile.requested_physical_out = 0; // use all available
2609
2610         } else {
2611
2612                 /* get settings from advanced section of NSD */
2613
2614                 if (sd.create_master_bus()) {
2615                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2616                 } else {
2617                         bus_profile.master_out_channels = 0;
2618                 }
2619
2620                 if (sd.connect_inputs()) {
2621                         bus_profile.input_ac = AutoConnectPhysical;
2622                 } else {
2623                         bus_profile.input_ac = AutoConnectOption (0);
2624                 }
2625
2626                 bus_profile.output_ac = AutoConnectOption (0);
2627
2628                 if (sd.connect_outputs ()) {
2629                         if (sd.connect_outs_to_master()) {
2630                                 bus_profile.output_ac = AutoConnectMaster;
2631                         } else if (sd.connect_outs_to_physical()) {
2632                                 bus_profile.output_ac = AutoConnectPhysical;
2633                         }
2634                 }
2635
2636                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2637                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2638         }
2639
2640         if (build_session (session_path, session_name, bus_profile)) {
2641                 return -1;
2642         }
2643
2644         return 0;
2645 }
2646
2647 void
2648 ARDOUR_UI::idle_load (const std::string& path)
2649 {
2650         if (_session) {
2651                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2652                         /* /path/to/foo => /path/to/foo, foo */
2653                         load_session (path, basename_nosuffix (path));
2654                 } else {
2655                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2656                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2657                 }
2658
2659         } else {
2660                 ARDOUR_COMMAND_LINE::session_name = path;
2661         }
2662 }
2663
2664 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2665 int
2666 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2667 {
2668         string session_name;
2669         string session_path;
2670         string template_name;
2671         int ret = -1;
2672         bool likely_new = false;
2673         bool cancel_not_quit;
2674
2675         /* deal with any existing DIRTY session now, rather than later. don't
2676          * treat a non-dirty session this way, so that it stays visible
2677          * as we bring up the new session dialog.
2678          */
2679
2680         if (_session && ARDOUR_UI::instance()->video_timeline) {
2681                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2682         }
2683
2684         /* if there is already a session, relabel the button
2685            on the SessionDialog so that we don't Quit directly
2686         */
2687         cancel_not_quit = (_session != 0);
2688
2689         if (_session && _session->dirty()) {
2690                 if (unload_session (false)) {
2691                         /* unload cancelled by user */
2692                         return 0;
2693                 }
2694                 ARDOUR_COMMAND_LINE::session_name = "";
2695         }
2696
2697         if (!load_template.empty()) {
2698                 should_be_new = true;
2699                 template_name = load_template;
2700         }
2701
2702         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2703         session_path = ARDOUR_COMMAND_LINE::session_name;
2704
2705         if (!session_path.empty()) {
2706                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2707                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2708                                 /* session/snapshot file, change path to be dir */
2709                                 session_path = Glib::path_get_dirname (session_path);
2710                         }
2711                 }
2712         }
2713
2714         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2715
2716         while (ret != 0) {
2717
2718                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2719
2720                         /* if they named a specific statefile, use it, otherwise they are
2721                            just giving a session folder, and we want to use it as is
2722                            to find the session.
2723                         */
2724
2725                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2726
2727                         if (suffix != string::npos) {
2728                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2729                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2730                                 session_name = Glib::path_get_basename (session_name);
2731                         } else {
2732                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2733                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2734                         }
2735                 } else {
2736                         session_path = "";
2737                         session_name = "";
2738                         session_dialog.clear_given ();
2739                 }
2740
2741                 if (should_be_new || session_name.empty()) {
2742                         /* need the dialog to get info from user */
2743
2744                         cerr << "run dialog\n";
2745
2746                         switch (session_dialog.run()) {
2747                         case RESPONSE_ACCEPT:
2748                                 break;
2749                         default:
2750                                 if (quit_on_cancel) {
2751                                         // JE - Currently (July 2014) this section can only get reached if the
2752                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2753                                         // point does NOT indicate an abnormal termination). Therefore, let's
2754                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2755                                         ARDOUR::cleanup ();
2756                                         pthread_cancel_all ();
2757
2758                                         exit (1);
2759                                 } else {
2760                                         return ret;
2761                                 }
2762                         }
2763
2764                         session_dialog.hide ();
2765                 }
2766
2767                 /* if we run the startup dialog again, offer more than just "new session" */
2768
2769                 should_be_new = false;
2770
2771                 session_name = session_dialog.session_name (likely_new);
2772                 session_path = session_dialog.session_folder ();
2773
2774                 if (nsm) {
2775                         likely_new = true;
2776                 }
2777
2778                 string::size_type suffix = session_name.find (statefile_suffix);
2779
2780                 if (suffix != string::npos) {
2781                         session_name = session_name.substr (0, suffix);
2782                 }
2783
2784                 /* this shouldn't happen, but we catch it just in case it does */
2785
2786                 if (session_name.empty()) {
2787                         continue;
2788                 }
2789
2790                 if (session_dialog.use_session_template()) {
2791                         template_name = session_dialog.session_template_name();
2792                         _session_is_new = true;
2793                 }
2794
2795                 if (session_name[0] == G_DIR_SEPARATOR ||
2796                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2797                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2798
2799                         /* absolute path or cwd-relative path specified for session name: infer session folder
2800                            from what was given.
2801                         */
2802
2803                         session_path = Glib::path_get_dirname (session_name);
2804                         session_name = Glib::path_get_basename (session_name);
2805
2806                 } else {
2807
2808                         session_path = session_dialog.session_folder();
2809
2810                         char illegal = Session::session_name_is_legal (session_name);
2811
2812                         if (illegal) {
2813                                 MessageDialog msg (session_dialog,
2814                                                    string_compose (_("To ensure compatibility with various systems\n"
2815                                                                      "session names may not contain a '%1' character"),
2816                                                                    illegal));
2817                                 msg.run ();
2818                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2819                                 continue;
2820                         }
2821                 }
2822
2823                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2824
2825
2826                         if (likely_new && !nsm) {
2827
2828                                 std::string existing = Glib::build_filename (session_path, session_name);
2829
2830                                 if (!ask_about_loading_existing_session (existing)) {
2831                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2832                                         continue;
2833                                 }
2834                         }
2835
2836                         _session_is_new = false;
2837
2838                 } else {
2839
2840                         if (!likely_new) {
2841                                 pop_back_splash (session_dialog);
2842                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2843                                 msg.run ();
2844                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2845                                 continue;
2846                         }
2847
2848                         char illegal = Session::session_name_is_legal(session_name);
2849
2850                         if (illegal) {
2851                                 pop_back_splash (session_dialog);
2852                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2853                                                                                     "session names may not contain a '%1' character"), illegal));
2854                                 msg.run ();
2855                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2856                                 continue;
2857                         }
2858
2859                         _session_is_new = true;
2860                 }
2861
2862                 if (likely_new && template_name.empty()) {
2863
2864                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2865
2866                 } else {
2867
2868                         ret = load_session (session_path, session_name, template_name);
2869
2870                         if (ret == -2) {
2871                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2872                                 exit (1);
2873                         }
2874
2875                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2876                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2877                                 exit (1);
2878                         }
2879
2880                         /* clear this to avoid endless attempts to load the
2881                            same session.
2882                         */
2883
2884                         ARDOUR_COMMAND_LINE::session_name = "";
2885                 }
2886         }
2887
2888         return ret;
2889 }
2890
2891 void
2892 ARDOUR_UI::close_session()
2893 {
2894         if (!check_audioengine()) {
2895                 return;
2896         }
2897
2898         if (unload_session (true)) {
2899                 return;
2900         }
2901
2902         ARDOUR_COMMAND_LINE::session_name = "";
2903
2904         if (get_session_parameters (true, false)) {
2905                 exit (1);
2906         }
2907
2908         goto_editor_window ();
2909 }
2910
2911 /** @param snap_name Snapshot name (without .ardour suffix).
2912  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2913  */
2914 int
2915 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2916 {
2917         Session *new_session;
2918         int unload_status;
2919         int retval = -1;
2920
2921         if (_session) {
2922                 unload_status = unload_session ();
2923
2924                 if (unload_status < 0) {
2925                         goto out;
2926                 } else if (unload_status > 0) {
2927                         retval = 0;
2928                         goto out;
2929                 }
2930         }
2931
2932         session_loaded = false;
2933
2934         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2935
2936         try {
2937                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2938         }
2939
2940         /* this one is special */
2941
2942         catch (AudioEngine::PortRegistrationFailure& err) {
2943
2944                 MessageDialog msg (err.what(),
2945                                    true,
2946                                    Gtk::MESSAGE_INFO,
2947                                    Gtk::BUTTONS_CLOSE);
2948
2949                 msg.set_title (_("Port Registration Error"));
2950                 msg.set_secondary_text (_("Click the Close button to try again."));
2951                 msg.set_position (Gtk::WIN_POS_CENTER);
2952                 pop_back_splash (msg);
2953                 msg.present ();
2954
2955                 int response = msg.run ();
2956
2957                 msg.hide ();
2958
2959                 switch (response) {
2960                 case RESPONSE_CANCEL:
2961                         exit (1);
2962                 default:
2963                         break;
2964                 }
2965                 goto out;
2966         }
2967
2968         catch (...) {
2969
2970                 MessageDialog msg (string_compose(
2971                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2972                                            path, snap_name),
2973                                    true,
2974                                    Gtk::MESSAGE_INFO,
2975                                    BUTTONS_OK);
2976
2977                 msg.set_keep_above (true);
2978                 msg.set_title (_("Loading Error"));
2979                 msg.set_position (Gtk::WIN_POS_CENTER);
2980                 pop_back_splash (msg);
2981                 msg.present ();
2982                 (void) msg.run ();
2983                 msg.hide ();
2984
2985                 goto out;
2986         }
2987
2988         {
2989                 list<string> const u = new_session->unknown_processors ();
2990                 if (!u.empty()) {
2991                         MissingPluginDialog d (_session, u);
2992                         d.run ();
2993                 }
2994         }
2995
2996         if (!new_session->writable()) {
2997                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
2998                                    true,
2999                                    Gtk::MESSAGE_INFO,
3000                                    BUTTONS_OK);
3001
3002                 msg.set_keep_above (true);
3003                 msg.set_title (_("Read-only Session"));
3004                 msg.set_position (Gtk::WIN_POS_CENTER);
3005                 pop_back_splash (msg);
3006                 msg.present ();
3007                 (void) msg.run ();
3008                 msg.hide ();
3009         }
3010
3011
3012         /* Now the session been created, add the transport controls */
3013         new_session->add_controllable(roll_controllable);
3014         new_session->add_controllable(stop_controllable);
3015         new_session->add_controllable(goto_start_controllable);
3016         new_session->add_controllable(goto_end_controllable);
3017         new_session->add_controllable(auto_loop_controllable);
3018         new_session->add_controllable(play_selection_controllable);
3019         new_session->add_controllable(rec_controllable);
3020
3021         set_session (new_session);
3022
3023         session_loaded = true;
3024
3025         goto_editor_window ();
3026
3027         if (_session) {
3028                 _session->set_clean ();
3029         }
3030
3031 #ifdef WINDOWS_VST_SUPPORT
3032         fst_stop_threading();
3033 #endif
3034
3035         flush_pending ();
3036
3037 #ifdef WINDOWS_VST_SUPPORT
3038         fst_start_threading();
3039 #endif
3040         retval = 0;
3041
3042   out:
3043         return retval;
3044 }
3045
3046 int
3047 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3048 {
3049         Session *new_session;
3050         int x;
3051
3052         session_loaded = false;
3053         x = unload_session ();
3054
3055         if (x < 0) {
3056                 return -1;
3057         } else if (x > 0) {
3058                 return 0;
3059         }
3060
3061         _session_is_new = true;
3062
3063         try {
3064                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3065         }
3066
3067         catch (...) {
3068
3069                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3070                 pop_back_splash (msg);
3071                 msg.run ();
3072                 return -1;
3073         }
3074
3075         /* Give the new session the default GUI state, if such things exist */
3076
3077         XMLNode* n;
3078         n = Config->instant_xml (X_("Editor"));
3079         if (n) {
3080                 new_session->add_instant_xml (*n, false);
3081         }
3082         n = Config->instant_xml (X_("Mixer"));
3083         if (n) {
3084                 new_session->add_instant_xml (*n, false);
3085         }
3086
3087         /* Put the playhead at 0 and scroll fully left */
3088         n = new_session->instant_xml (X_("Editor"));
3089         if (n) {
3090                 n->add_property (X_("playhead"), X_("0"));
3091                 n->add_property (X_("left-frame"), X_("0"));
3092         }
3093
3094         set_session (new_session);
3095
3096         session_loaded = true;
3097
3098         new_session->save_state(new_session->name());
3099
3100         return 0;
3101 }
3102
3103 void
3104 ARDOUR_UI::launch_chat ()
3105 {
3106 #ifdef __APPLE__
3107         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3108 #else
3109         open_uri("http://webchat.freenode.net/?channels=ardour");
3110 #endif
3111 }
3112
3113 void
3114 ARDOUR_UI::launch_manual ()
3115 {
3116         PBD::open_uri (Config->get_tutorial_manual_url());
3117 }
3118
3119 void
3120 ARDOUR_UI::launch_reference ()
3121 {
3122         PBD::open_uri (Config->get_reference_manual_url());
3123 }
3124
3125 void
3126 ARDOUR_UI::loading_message (const std::string& msg)
3127 {
3128         if (ARDOUR_COMMAND_LINE::no_splash) {
3129                 return;
3130         }
3131
3132         if (!splash) {
3133                 show_splash ();
3134         }
3135
3136         splash->message (msg);
3137 }
3138
3139 void
3140 ARDOUR_UI::show_splash ()
3141 {
3142         if (splash == 0) {
3143                 try {
3144                         splash = new Splash;
3145                 } catch (...) {
3146                         return;
3147                 }
3148         }
3149
3150         splash->display ();
3151 }
3152
3153 void
3154 ARDOUR_UI::hide_splash ()
3155 {
3156         delete splash;
3157         splash = 0;
3158 }
3159
3160 void
3161 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3162 {
3163         size_t removed;
3164
3165         removed = rep.paths.size();
3166
3167         if (removed == 0) {
3168                 MessageDialog msgd (*editor,
3169                                     _("No files were ready for clean-up"),
3170                                     true,
3171                                     Gtk::MESSAGE_INFO,
3172                                     Gtk::BUTTONS_OK);
3173                 msgd.set_title (_("Clean-up"));
3174                 msgd.set_secondary_text (_("If this seems suprising, \n\
3175 check for any existing snapshots.\n\
3176 These may still include regions that\n\
3177 require some unused files to continue to exist."));
3178
3179                 msgd.run ();
3180                 return;
3181         }
3182
3183         ArdourDialog results (_("Clean-up"), true, false);
3184
3185         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3186             CleanupResultsModelColumns() {
3187                     add (visible_name);
3188                     add (fullpath);
3189             }
3190             Gtk::TreeModelColumn<std::string> visible_name;
3191             Gtk::TreeModelColumn<std::string> fullpath;
3192         };
3193
3194
3195         CleanupResultsModelColumns results_columns;
3196         Glib::RefPtr<Gtk::ListStore> results_model;
3197         Gtk::TreeView results_display;
3198
3199         results_model = ListStore::create (results_columns);
3200         results_display.set_model (results_model);
3201         results_display.append_column (list_title, results_columns.visible_name);
3202
3203         results_display.set_name ("CleanupResultsList");
3204         results_display.set_headers_visible (true);
3205         results_display.set_headers_clickable (false);
3206         results_display.set_reorderable (false);
3207
3208         Gtk::ScrolledWindow list_scroller;
3209         Gtk::Label txt;
3210         Gtk::VBox dvbox;
3211         Gtk::HBox dhbox;  // the hbox for the image and text
3212         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3213         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3214
3215         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3216
3217         const string dead_directory = _session->session_directory().dead_path();
3218
3219         /* subst:
3220            %1 - number of files removed
3221            %2 - location of "dead"
3222            %3 - size of files affected
3223            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3224         */
3225
3226         const char* bprefix;
3227         double space_adjusted = 0;
3228
3229         if (rep.space < 1000) {
3230                 bprefix = X_("");
3231                 space_adjusted = rep.space;
3232         } else if (rep.space < 1000000) {
3233                 bprefix = _("kilo");
3234                 space_adjusted = floorf((float)rep.space / 1000.0);
3235         } else if (rep.space < 1000000 * 1000) {
3236                 bprefix = _("mega");
3237                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3238         } else {
3239                 bprefix = _("giga");
3240                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3241         }
3242
3243         if (msg_delete) {
3244                 txt.set_markup (string_compose (P_("\
3245 The following file was deleted from %2,\n\
3246 releasing %3 %4bytes of disk space", "\
3247 The following %1 files were deleted from %2,\n\
3248 releasing %3 %4bytes of disk space", removed),
3249                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3250         } else {
3251                 txt.set_markup (string_compose (P_("\
3252 The following file was not in use and \n\
3253 has been moved to: %2\n\n\
3254 After a restart of %5\n\n\
3255 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3256 will release an additional %3 %4bytes of disk space.\n", "\
3257 The following %1 files were not in use and \n\
3258 have been moved to: %2\n\n\
3259 After a restart of %5\n\n\
3260 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3261 will release an additional %3 %4bytes of disk space.\n", removed),
3262                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3263         }
3264
3265         dhbox.pack_start (*dimage, true, false, 5);
3266         dhbox.pack_start (txt, true, false, 5);
3267
3268         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3269                 TreeModel::Row row = *(results_model->append());
3270                 row[results_columns.visible_name] = *i;
3271                 row[results_columns.fullpath] = *i;
3272         }
3273
3274         list_scroller.add (results_display);
3275         list_scroller.set_size_request (-1, 150);
3276         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3277
3278         dvbox.pack_start (dhbox, true, false, 5);
3279         dvbox.pack_start (list_scroller, true, false, 5);
3280         ddhbox.pack_start (dvbox, true, false, 5);
3281
3282         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3283         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3284         results.set_default_response (RESPONSE_CLOSE);
3285         results.set_position (Gtk::WIN_POS_MOUSE);
3286
3287         results_display.show();
3288         list_scroller.show();
3289         txt.show();
3290         dvbox.show();
3291         dhbox.show();
3292         ddhbox.show();
3293         dimage->show();
3294
3295         //results.get_vbox()->show();
3296         results.set_resizable (false);
3297
3298         results.run ();
3299
3300 }
3301
3302 void
3303 ARDOUR_UI::cleanup ()
3304 {
3305         if (_session == 0) {
3306                 /* shouldn't happen: menu item is insensitive */
3307                 return;
3308         }
3309
3310
3311         MessageDialog checker (_("Are you sure you want to clean-up?"),
3312                                 true,
3313                                 Gtk::MESSAGE_QUESTION,
3314                                 Gtk::BUTTONS_NONE);
3315
3316         checker.set_title (_("Clean-up"));
3317
3318         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3319 ALL undo/redo information will be lost if you clean-up.\n\
3320 Clean-up will move all unused files to a \"dead\" location."));
3321
3322         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3323         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3324         checker.set_default_response (RESPONSE_CANCEL);
3325
3326         checker.set_name (_("CleanupDialog"));
3327         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3328         checker.set_position (Gtk::WIN_POS_MOUSE);
3329
3330         switch (checker.run()) {
3331         case RESPONSE_ACCEPT:
3332                 break;
3333         default:
3334                 return;
3335         }
3336
3337         ARDOUR::CleanupReport rep;
3338
3339         editor->prepare_for_cleanup ();
3340
3341         /* do not allow flush until a session is reloaded */
3342
3343         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3344         if (act) {
3345                 act->set_sensitive (false);
3346         }
3347
3348         if (_session->cleanup_sources (rep)) {
3349                 editor->finish_cleanup ();
3350                 return;
3351         }
3352
3353         editor->finish_cleanup ();
3354
3355         checker.hide();
3356         display_cleanup_results (rep, _("Cleaned Files"), false);
3357 }
3358
3359 void
3360 ARDOUR_UI::flush_trash ()
3361 {
3362         if (_session == 0) {
3363                 /* shouldn't happen: menu item is insensitive */
3364                 return;
3365         }
3366
3367         ARDOUR::CleanupReport rep;
3368
3369         if (_session->cleanup_trash_sources (rep)) {
3370                 return;
3371         }
3372
3373         display_cleanup_results (rep, _("deleted file"), true);
3374 }
3375
3376 void
3377 ARDOUR_UI::setup_order_hint ()
3378 {
3379         uint32_t order_hint = 0;
3380
3381         /*
3382           we want the new routes to have their order keys set starting from
3383           the highest order key in the selection + 1 (if available).
3384         */
3385         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3386                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3387                         if ((*s)->route()->order_key() > order_hint) {
3388                                 order_hint = (*s)->route()->order_key();
3389                         }
3390                 }
3391
3392                 if (!mixer->selection().routes.empty()) {
3393                         order_hint++;
3394                 }
3395
3396         } else {
3397                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3398                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3399                         if (tav && tav->route() && tav->route()->order_key() > order_hint) {
3400                                 order_hint = tav->route()->order_key();
3401                         }
3402                 }
3403
3404                 if (!editor->get_selection().tracks.empty()) {
3405                         order_hint++;
3406                 }
3407         }
3408
3409         _session->set_order_hint (order_hint);
3410
3411         /* create a gap in the existing route order keys to accomodate new routes.*/
3412
3413         boost::shared_ptr <RouteList> rd = _session->get_routes();
3414         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3415                 boost::shared_ptr<Route> rt (*ri);
3416
3417                 if (rt->is_monitor()) {
3418                         continue;
3419                 }
3420
3421                 if (rt->order_key () >= order_hint) {
3422                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3423                 }
3424         }
3425 }
3426
3427 void
3428 ARDOUR_UI::add_route (Gtk::Window* float_window)
3429 {
3430         int count;
3431
3432         if (!_session) {
3433                 return;
3434         }
3435
3436         if (add_route_dialog->is_visible()) {
3437                 /* we're already doing this */
3438                 return;
3439         }
3440
3441         if (float_window) {
3442                 add_route_dialog->unset_transient_for ();
3443                 add_route_dialog->set_transient_for (*float_window);
3444         }
3445
3446         ResponseType r = (ResponseType) add_route_dialog->run ();
3447
3448         add_route_dialog->hide();
3449
3450         switch (r) {
3451                 case RESPONSE_ACCEPT:
3452                         break;
3453                 default:
3454                         return;
3455                         break;
3456         }
3457
3458         if ((count = add_route_dialog->count()) <= 0) {
3459                 return;
3460         }
3461
3462         setup_order_hint();
3463
3464         string template_path = add_route_dialog->track_template();
3465         DisplaySuspender ds;
3466
3467         if (!template_path.empty()) {
3468                 if (add_route_dialog->name_template_is_default())  {
3469                         _session->new_route_from_template (count, template_path, string());
3470                 } else {
3471                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3472                 }
3473                 return;
3474         }
3475
3476         ChanCount input_chan= add_route_dialog->channels ();
3477         ChanCount output_chan;
3478         string name_template = add_route_dialog->name_template ();
3479         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3480         RouteGroup* route_group = add_route_dialog->route_group ();
3481         AutoConnectOption oac = Config->get_output_auto_connect();
3482
3483         if (oac & AutoConnectMaster) {
3484                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3485                 output_chan.set (DataType::MIDI, 0);
3486         } else {
3487                 output_chan = input_chan;
3488         }
3489
3490         /* XXX do something with name template */
3491
3492         switch (add_route_dialog->type_wanted()) {
3493         case AddRouteDialog::AudioTrack:
3494                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3495                 break;
3496         case AddRouteDialog::MidiTrack:
3497                 session_add_midi_track (route_group, count, name_template, instrument);
3498                 break;
3499         case AddRouteDialog::MixedTrack:
3500                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3501                 break;
3502         case AddRouteDialog::AudioBus:
3503                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3504                 break;
3505         }
3506 }
3507
3508 void
3509 ARDOUR_UI::stop_video_server (bool ask_confirm)
3510 {
3511         if (!video_server_process && ask_confirm) {
3512                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3513         }
3514         if (video_server_process) {
3515                 if(ask_confirm) {
3516                         ArdourDialog confirm (_("Stop Video-Server"), true);
3517                         Label m (_("Do you really want to stop the Video Server?"));
3518                         confirm.get_vbox()->pack_start (m, true, true);
3519                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3520                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3521                         confirm.show_all ();
3522                         if (confirm.run() == RESPONSE_CANCEL) {
3523                                 return;
3524                         }
3525                 }
3526                 delete video_server_process;
3527                 video_server_process =0;
3528         }
3529 }
3530
3531 void
3532 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3533 {
3534   ARDOUR_UI::start_video_server( float_window, true);
3535 }
3536
3537 bool
3538 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3539 {
3540         if (!_session) {
3541                 return false;
3542         }
3543         if (popup_msg) {
3544                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3545                         if (video_server_process) {
3546                                 popup_error(_("The Video Server is already started."));
3547                         } else {
3548                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3549                         }
3550                 }
3551         }
3552
3553         int firsttime = 0;
3554         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3555                 if (firsttime++) {
3556                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3557                 }
3558                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3559                 if (float_window) {
3560                         video_server_dialog->set_transient_for (*float_window);
3561                 }
3562
3563                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3564                         video_server_dialog->hide();
3565                 } else {
3566                         ResponseType r = (ResponseType) video_server_dialog->run ();
3567                         video_server_dialog->hide();
3568                         if (r != RESPONSE_ACCEPT) { return false; }
3569                         if (video_server_dialog->show_again()) {
3570                                 Config->set_show_video_server_dialog(false);
3571                         }
3572                 }
3573
3574                 std::string icsd_exec = video_server_dialog->get_exec_path();
3575                 std::string icsd_docroot = video_server_dialog->get_docroot();
3576                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3577
3578                 GStatBuf sb;
3579                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3580                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3581                         continue;
3582                 }
3583 #ifndef PLATFORM_WINDOWS
3584                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3585                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3586                         warning << _("Given Video Server is not an executable file.") << endmsg;
3587                         continue;
3588                 }
3589 #else
3590                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3591                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3592                         warning << _("Given Video Server is not an executable file.") << endmsg;
3593                         continue;
3594                 }
3595 #endif
3596
3597                 char **argp;
3598                 argp=(char**) calloc(9,sizeof(char*));
3599                 argp[0] = strdup(icsd_exec.c_str());
3600                 argp[1] = strdup("-P");
3601                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3602                 argp[3] = strdup("-p");
3603                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3604                 argp[5] = strdup("-C");
3605                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3606                 argp[7] = strdup(icsd_docroot.c_str());
3607                 argp[8] = 0;
3608                 stop_video_server();
3609
3610                 if (icsd_docroot == X_("/")) {
3611                         Config->set_video_advanced_setup(false);
3612                 } else {
3613                         std::ostringstream osstream;
3614                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3615                         Config->set_video_server_url(osstream.str());
3616                         Config->set_video_server_docroot(icsd_docroot);
3617                         Config->set_video_advanced_setup(true);
3618                 }
3619
3620                 if (video_server_process) {
3621                         delete video_server_process;
3622                 }
3623
3624                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3625                 if (video_server_process->start()) {
3626                         warning << _("Cannot launch the video-server") << endmsg;
3627                         continue;
3628                 }
3629                 int timeout = 120; // 6 sec
3630                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3631                         Glib::usleep (50000);
3632                         gui_idle_handler();
3633                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3634                 }
3635                 if (timeout <= 0) {
3636                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3637                 } else {
3638                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3639                                 delete video_server_process;
3640                                 video_server_process = 0;
3641                         }
3642                 }
3643         }
3644         return true;
3645 }
3646
3647 void
3648 ARDOUR_UI::add_video (Gtk::Window* float_window)
3649 {
3650         if (!_session) {
3651                 return;
3652         }
3653
3654         if (!start_video_server(float_window, false)) {
3655                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3656                 return;
3657         }
3658
3659         if (float_window) {
3660                 add_video_dialog->set_transient_for (*float_window);
3661         }
3662
3663         if (add_video_dialog->is_visible()) {
3664                 /* we're already doing this */
3665                 return;
3666         }
3667
3668         ResponseType r = (ResponseType) add_video_dialog->run ();
3669         add_video_dialog->hide();
3670         if (r != RESPONSE_ACCEPT) { return; }
3671
3672         bool local_file, orig_local_file;
3673         std::string path = add_video_dialog->file_name(local_file);
3674
3675         std::string orig_path = path;
3676         orig_local_file = local_file;
3677
3678         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3679
3680         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3681                 warning << string_compose(_("could not open %1"), path) << endmsg;
3682                 return;
3683         }
3684         if (!local_file && path.length() == 0) {
3685                 warning << _("no video-file selected") << endmsg;
3686                 return;
3687         }
3688
3689         switch (add_video_dialog->import_option()) {
3690                 case VTL_IMPORT_TRANSCODE:
3691                         {
3692                                 TranscodeVideoDialog *transcode_video_dialog;
3693                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3694                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3695                                 transcode_video_dialog->hide();
3696                                 if (r != RESPONSE_ACCEPT) {
3697                                         delete transcode_video_dialog;
3698                                         return;
3699                                 }
3700                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3701                                         editor->embed_audio_from_video(
3702                                                         transcode_video_dialog->get_audiofile(),
3703                                                         video_timeline->get_offset(),
3704                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3705                                                         );
3706                                 }
3707                                 switch (transcode_video_dialog->import_option()) {
3708                                         case VTL_IMPORT_TRANSCODED:
3709                                                 path = transcode_video_dialog->get_filename();
3710                                                 local_file = true;
3711                                                 break;
3712                                         case VTL_IMPORT_REFERENCE:
3713                                                 break;
3714                                         default:
3715                                                 delete transcode_video_dialog;
3716                                                 return;
3717                                 }
3718                                 delete transcode_video_dialog;
3719                         }
3720                         break;
3721                 default:
3722                 case VTL_IMPORT_NONE:
3723                         break;
3724         }
3725
3726         /* strip _session->session_directory().video_path() from video file if possible */
3727         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3728                  path=path.substr(_session->session_directory().video_path().size());
3729                  if (path.at(0) == G_DIR_SEPARATOR) {
3730                          path=path.substr(1);
3731                  }
3732         }
3733
3734         video_timeline->set_update_session_fps(auto_set_session_fps);
3735         if (video_timeline->video_file_info(path, local_file)) {
3736                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3737                 node->add_property (X_("Filename"), path);
3738                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3739                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3740                 if (orig_local_file) {
3741                         node->add_property (X_("OriginalVideoFile"), orig_path);
3742                 } else {
3743                         node->remove_property (X_("OriginalVideoFile"));
3744                 }
3745                 _session->add_extra_xml (*node);
3746                 _session->set_dirty ();
3747
3748                 _session->maybe_update_session_range(
3749                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3750                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3751
3752
3753                 if (add_video_dialog->launch_xjadeo() && local_file) {
3754                         editor->set_xjadeo_sensitive(true);
3755                         editor->toggle_xjadeo_proc(1);
3756                 } else {
3757                         editor->toggle_xjadeo_proc(0);
3758                 }
3759                 editor->toggle_ruler_video(true);
3760         }
3761 }
3762
3763 void
3764 ARDOUR_UI::remove_video ()
3765 {
3766         video_timeline->close_session();
3767         editor->toggle_ruler_video(false);
3768
3769         /* reset state */
3770         video_timeline->set_offset_locked(false);
3771         video_timeline->set_offset(0);
3772
3773         /* delete session state */
3774         XMLNode* node = new XMLNode(X_("Videotimeline"));
3775         _session->add_extra_xml(*node);
3776         node = new XMLNode(X_("Videomonitor"));
3777         _session->add_extra_xml(*node);
3778         stop_video_server();
3779 }
3780
3781 void
3782 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3783 {
3784         if (localcacheonly) {
3785                 video_timeline->vmon_update();
3786         } else {
3787                 video_timeline->flush_cache();
3788         }
3789         editor->queue_visual_videotimeline_update();
3790 }
3791
3792 XMLNode*
3793 ARDOUR_UI::mixer_settings () const
3794 {
3795         XMLNode* node = 0;
3796
3797         if (_session) {
3798                 node = _session->instant_xml(X_("Mixer"));
3799         } else {
3800                 node = Config->instant_xml(X_("Mixer"));
3801         }
3802
3803         if (!node) {
3804                 node = new XMLNode (X_("Mixer"));
3805         }
3806
3807         return node;
3808 }
3809
3810 XMLNode*
3811 ARDOUR_UI::editor_settings () const
3812 {
3813         XMLNode* node = 0;
3814
3815         if (_session) {
3816                 node = _session->instant_xml(X_("Editor"));
3817         } else {
3818                 node = Config->instant_xml(X_("Editor"));
3819         }
3820
3821         if (!node) {
3822                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3823                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3824                 }
3825         }
3826
3827         if (!node) {
3828                 node = new XMLNode (X_("Editor"));
3829         }
3830
3831         return node;
3832 }
3833
3834 XMLNode*
3835 ARDOUR_UI::keyboard_settings () const
3836 {
3837         XMLNode* node = 0;
3838
3839         node = Config->extra_xml(X_("Keyboard"));
3840
3841         if (!node) {
3842                 node = new XMLNode (X_("Keyboard"));
3843         }
3844
3845         return node;
3846 }
3847
3848 void
3849 ARDOUR_UI::create_xrun_marker (framepos_t where)
3850 {
3851         editor->mouse_add_new_marker (where, false, true);
3852 }
3853
3854 void
3855 ARDOUR_UI::halt_on_xrun_message ()
3856 {
3857         MessageDialog msg (*editor,
3858                            _("Recording was stopped because your system could not keep up."));
3859         msg.run ();
3860 }
3861
3862 void
3863 ARDOUR_UI::xrun_handler (framepos_t where)
3864 {
3865         if (!_session) {
3866                 return;
3867         }
3868
3869         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3870
3871         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3872                 create_xrun_marker(where);
3873         }
3874
3875         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3876                 halt_on_xrun_message ();
3877         }
3878 }
3879
3880 void
3881 ARDOUR_UI::disk_overrun_handler ()
3882 {
3883         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3884
3885         if (!have_disk_speed_dialog_displayed) {
3886                 have_disk_speed_dialog_displayed = true;
3887                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3888 The disk system on your computer\n\
3889 was not able to keep up with %1.\n\
3890 \n\
3891 Specifically, it failed to write data to disk\n\
3892 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3893                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3894                 msg->show ();
3895         }
3896 }
3897
3898
3899 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
3900 static MessageDialog *scan_dlg = NULL;
3901 static ProgressBar   *scan_pbar = NULL;
3902 static HBox          *scan_tbox = NULL;
3903
3904 void
3905 ARDOUR_UI::cancel_plugin_scan ()
3906 {
3907         PluginManager::instance().cancel_plugin_scan();
3908 }
3909
3910 void
3911 ARDOUR_UI::cancel_plugin_timeout ()
3912 {
3913         PluginManager::instance().cancel_plugin_timeout();
3914         scan_tbox->hide();
3915 }
3916
3917 void
3918 ARDOUR_UI::plugin_scan_timeout (int timeout)
3919 {
3920         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
3921                 return;
3922         }
3923         if (timeout > 0) {
3924                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
3925                 scan_tbox->show();
3926         } else {
3927                 scan_tbox->hide();
3928         }
3929         gui_idle_handler();
3930 }
3931
3932 void
3933 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
3934 {
3935         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
3936                 return;
3937         }
3938
3939         const bool cancelled = PluginManager::instance().cancelled();
3940         if (type != X_("closeme") && !Config->get_show_plugin_scan_window()) {
3941                 if (cancelled && scan_dlg->is_mapped()) {
3942                         scan_dlg->hide();
3943                         gui_idle_handler();
3944                         return;
3945                 }
3946                 if (cancelled || !can_cancel) {
3947                         return;
3948                 }
3949         }
3950
3951         static Gtk::Button *cancel_button;
3952         static Gtk::Button *timeout_button;
3953         if (!scan_dlg) {
3954                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
3955                 VBox* vbox = scan_dlg->get_vbox();
3956                 vbox->set_size_request(400,-1);
3957                 scan_dlg->set_title (_("Scanning for plugins"));
3958
3959                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
3960                 cancel_button->set_name ("EditorGTKButton");
3961                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
3962                 cancel_button->show();
3963
3964                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
3965
3966                 scan_tbox = manage( new HBox() );
3967
3968                 timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
3969                 timeout_button->set_name ("EditorGTKButton");
3970                 timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
3971                 timeout_button->show();
3972
3973                 scan_pbar = manage(new ProgressBar());
3974                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
3975                 scan_pbar->set_text(_("Scan Timeout"));
3976                 scan_pbar->show();
3977
3978                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
3979                 scan_tbox->pack_start (*timeout_button, PACK_SHRINK, 4);
3980
3981                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
3982         }
3983
3984         if (type == X_("closeme")) {
3985                 scan_dlg->hide();
3986         } else {
3987                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
3988                 scan_dlg->show();
3989         }
3990         if (!can_cancel || !cancelled) {
3991                 scan_tbox->hide();
3992         }
3993         cancel_button->set_sensitive(can_cancel && !cancelled);
3994
3995         gui_idle_handler();
3996 }
3997
3998 void
3999 ARDOUR_UI::gui_idle_handler ()
4000 {
4001         int timeout = 30;
4002         /* due to idle calls, gtk_events_pending() may always return true */
4003         while (gtk_events_pending() && --timeout) {
4004                 gtk_main_iteration ();
4005         }
4006 }
4007
4008 void
4009 ARDOUR_UI::disk_underrun_handler ()
4010 {
4011         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
4012
4013         if (!have_disk_speed_dialog_displayed) {
4014                 have_disk_speed_dialog_displayed = true;
4015                 MessageDialog* msg = new MessageDialog (
4016                         *editor, string_compose (_("The disk system on your computer\n\
4017 was not able to keep up with %1.\n\
4018 \n\
4019 Specifically, it failed to read data from disk\n\
4020 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
4021                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4022                 msg->show ();
4023         }
4024 }
4025
4026 void
4027 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
4028 {
4029         have_disk_speed_dialog_displayed = false;
4030         delete msg;
4031 }
4032
4033 void
4034 ARDOUR_UI::session_dialog (std::string msg)
4035 {
4036         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4037
4038         MessageDialog* d;
4039
4040         if (editor) {
4041                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4042         } else {
4043                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4044         }
4045
4046         d->show_all ();
4047         d->run ();
4048         delete d;
4049 }
4050
4051 int
4052 ARDOUR_UI::pending_state_dialog ()
4053 {
4054         HBox* hbox = manage (new HBox());
4055         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4056         ArdourDialog dialog (_("Crash Recovery"), true);
4057         Label  message (string_compose (_("\
4058 This session appears to have been in the\n\
4059 middle of recording when %1 or\n\
4060 the computer was shutdown.\n\
4061 \n\
4062 %1 can recover any captured audio for\n\
4063 you, or it can ignore it. Please decide\n\
4064 what you would like to do.\n"), PROGRAM_NAME));
4065         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4066         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4067         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4068         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4069         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4070         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4071         dialog.set_default_response (RESPONSE_ACCEPT);
4072         dialog.set_position (WIN_POS_CENTER);
4073         message.show();
4074         image->show();
4075         hbox->show();
4076
4077         switch (dialog.run ()) {
4078         case RESPONSE_ACCEPT:
4079                 return 1;
4080         default:
4081                 return 0;
4082         }
4083 }
4084
4085 int
4086 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4087 {
4088         HBox* hbox = new HBox();
4089         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4090         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4091         Label  message (string_compose (_("\
4092 This session was created with a sample rate of %1 Hz, but\n\
4093 %2 is currently running at %3 Hz.  If you load this session,\n\
4094 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4095
4096         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4097         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4098         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4099         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4100         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4101         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4102         dialog.set_default_response (RESPONSE_ACCEPT);
4103         dialog.set_position (WIN_POS_CENTER);
4104         message.show();
4105         image->show();
4106         hbox->show();
4107
4108         switch (dialog.run()) {
4109         case RESPONSE_ACCEPT:
4110                 return 0;
4111         default:
4112                 break;
4113         }
4114
4115         return 1;
4116 }
4117
4118 int
4119 ARDOUR_UI::disconnect_from_engine ()
4120 {
4121         /* drop connection to AudioEngine::Halted so that we don't act
4122          *  as if the engine unexpectedly shut down
4123          */
4124
4125         halt_connection.disconnect ();
4126
4127         if (AudioEngine::instance()->stop ()) {
4128                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4129                 msg.run ();
4130                 return -1;
4131         } else {
4132                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4133         }
4134
4135         update_sample_rate (0);
4136         return 0;
4137 }
4138
4139 int
4140 ARDOUR_UI::reconnect_to_engine ()
4141 {
4142         if (AudioEngine::instance()->start ()) {
4143                 if (editor) {
4144                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4145                         msg.run ();
4146                 } else {
4147                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4148                         msg.run ();
4149                 }
4150                 return -1;
4151         }
4152
4153         update_sample_rate (0);
4154         return 0;
4155 }
4156
4157 void
4158 ARDOUR_UI::use_config ()
4159 {
4160         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4161         if (node) {
4162                 set_transport_controllable_state (*node);
4163         }
4164 }
4165
4166 void
4167 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4168 {
4169         if (Config->get_primary_clock_delta_edit_cursor()) {
4170                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
4171         } else {
4172                 primary_clock->set (pos);
4173         }
4174
4175         if (Config->get_secondary_clock_delta_edit_cursor()) {
4176                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
4177         } else {
4178                 secondary_clock->set (pos);
4179         }
4180
4181         if (big_clock_window) {
4182                 big_clock->set (pos);
4183         }
4184         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4185 }
4186
4187 void
4188 ARDOUR_UI::step_edit_status_change (bool yn)
4189 {
4190         // XXX should really store pre-step edit status of things
4191         // we make insensitive
4192
4193         if (yn) {
4194                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4195                 rec_button.set_sensitive (false);
4196         } else {
4197                 rec_button.unset_active_state ();;
4198                 rec_button.set_sensitive (true);
4199         }
4200 }
4201
4202 void
4203 ARDOUR_UI::record_state_changed ()
4204 {
4205         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4206
4207         if (!_session || !big_clock_window) {
4208                 /* why bother - the clock isn't visible */
4209                 return;
4210         }
4211
4212         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4213                 big_clock->set_active (true);
4214         } else {
4215                 big_clock->set_active (false);
4216         }
4217 }
4218
4219 bool
4220 ARDOUR_UI::first_idle ()
4221 {
4222         if (_session) {
4223                 _session->allow_auto_play (true);
4224         }
4225
4226         if (editor) {
4227                 editor->first_idle();
4228         }
4229
4230         Keyboard::set_can_save_keybindings (true);
4231         return false;
4232 }
4233
4234 void
4235 ARDOUR_UI::store_clock_modes ()
4236 {
4237         XMLNode* node = new XMLNode(X_("ClockModes"));
4238
4239         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4240                 XMLNode* child = new XMLNode (X_("Clock"));
4241
4242                 child->add_property (X_("name"), (*x)->name());
4243                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4244                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4245
4246                 node->add_child_nocopy (*child);
4247         }
4248
4249         _session->add_extra_xml (*node);
4250         _session->set_dirty ();
4251 }
4252
4253 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4254         : Controllable (name), ui (u), type(tp)
4255 {
4256
4257 }
4258
4259 void
4260 ARDOUR_UI::TransportControllable::set_value (double val)
4261 {
4262         if (val < 0.5) {
4263                 /* do nothing: these are radio-style actions */
4264                 return;
4265         }
4266
4267         const char *action = 0;
4268
4269         switch (type) {
4270         case Roll:
4271                 action = X_("Roll");
4272                 break;
4273         case Stop:
4274                 action = X_("Stop");
4275                 break;
4276         case GotoStart:
4277                 action = X_("GotoStart");
4278                 break;
4279         case GotoEnd:
4280                 action = X_("GotoEnd");
4281                 break;
4282         case AutoLoop:
4283                 action = X_("Loop");
4284                 break;
4285         case PlaySelection:
4286                 action = X_("PlaySelection");
4287                 break;
4288         case RecordEnable:
4289                 action = X_("Record");
4290                 break;
4291         default:
4292                 break;
4293         }
4294
4295         if (action == 0) {
4296                 return;
4297         }
4298
4299         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4300
4301         if (act) {
4302                 act->activate ();
4303         }
4304 }
4305
4306 double
4307 ARDOUR_UI::TransportControllable::get_value (void) const
4308 {
4309         float val = 0.0;
4310
4311         switch (type) {
4312         case Roll:
4313                 break;
4314         case Stop:
4315                 break;
4316         case GotoStart:
4317                 break;
4318         case GotoEnd:
4319                 break;
4320         case AutoLoop:
4321                 break;
4322         case PlaySelection:
4323                 break;
4324         case RecordEnable:
4325                 break;
4326         default:
4327                 break;
4328         }
4329
4330         return val;
4331 }
4332
4333 void
4334 ARDOUR_UI::setup_profile ()
4335 {
4336         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4337                 Profile->set_small_screen ();
4338         }
4339
4340         if (g_getenv ("ARDOUR_SAE")) {
4341                 Profile->set_sae ();
4342                 Profile->set_single_package ();
4343         }
4344
4345         if (g_getenv ("TRX")) {
4346                 Profile->set_trx ();
4347         }
4348
4349         if (g_getenv ("MIXBUS")) {
4350                 Profile->set_mixbus ();
4351         }
4352 }
4353
4354 int
4355 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4356 {
4357         MissingFileDialog dialog (s, str, type);
4358
4359         dialog.show ();
4360         dialog.present ();
4361
4362         int result = dialog.run ();
4363         dialog.hide ();
4364
4365         switch (result) {
4366         case RESPONSE_OK:
4367                 break;
4368         default:
4369                 return 1; // quit entire session load
4370         }
4371
4372         result = dialog.get_action ();
4373
4374         return result;
4375 }
4376
4377 int
4378 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4379 {
4380         AmbiguousFileDialog dialog (file, hits);
4381
4382         dialog.show ();
4383         dialog.present ();
4384
4385         dialog.run ();
4386         return dialog.get_which ();
4387 }
4388
4389 /** Allocate our thread-local buffers */
4390 void
4391 ARDOUR_UI::get_process_buffers ()
4392 {
4393         _process_thread->get_buffers ();
4394 }
4395
4396 /** Drop our thread-local buffers */
4397 void
4398 ARDOUR_UI::drop_process_buffers ()
4399 {
4400         _process_thread->drop_buffers ();
4401 }
4402
4403 void
4404 ARDOUR_UI::feedback_detected ()
4405 {
4406         _feedback_exists = true;
4407 }
4408
4409 void
4410 ARDOUR_UI::successful_graph_sort ()
4411 {
4412         _feedback_exists = false;
4413 }
4414
4415 void
4416 ARDOUR_UI::midi_panic ()
4417 {
4418         if (_session) {
4419                 _session->midi_panic();
4420         }
4421 }
4422
4423 void
4424 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4425 {
4426         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4427         const char* end_big = "</span>";
4428         const char* start_mono = "<tt>";
4429         const char* end_mono = "</tt>";
4430
4431         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4432                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4433                                              "From now on, use the -2000 version with older versions of %3"),
4434                                            xml_path, backup_path, PROGRAM_NAME,
4435                                            start_big, end_big,
4436                                            start_mono, end_mono), true);
4437
4438         msg.run ();
4439 }
4440
4441
4442 void
4443 ARDOUR_UI::reset_peak_display ()
4444 {
4445         if (!_session || !_session->master_out() || !editor_meter) return;
4446         editor_meter->clear_meters();
4447         editor_meter_max_peak = -INFINITY;
4448         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4449 }
4450
4451 void
4452 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4453 {
4454         if (!_session || !_session->master_out()) return;
4455         if (group == _session->master_out()->route_group()) {
4456                 reset_peak_display ();
4457         }
4458 }
4459
4460 void
4461 ARDOUR_UI::reset_route_peak_display (Route* route)
4462 {
4463         if (!_session || !_session->master_out()) return;
4464         if (_session->master_out().get() == route) {
4465                 reset_peak_display ();
4466         }
4467 }
4468
4469 int
4470 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4471 {
4472         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4473         audio_midi_setup->set_position (WIN_POS_CENTER);
4474
4475         switch (audio_midi_setup->run()) {
4476         case Gtk::RESPONSE_OK:
4477                 return 0;
4478         case Gtk::RESPONSE_APPLY:
4479                 return 0;
4480         default:
4481                 return -1;
4482         }
4483 }
4484
4485
4486 gint
4487 ARDOUR_UI::transport_numpad_timeout ()
4488 {
4489         _numpad_locate_happening = false;
4490         if (_numpad_timeout_connection.connected() )
4491                 _numpad_timeout_connection.disconnect();
4492         return 1;
4493 }
4494
4495 void
4496 ARDOUR_UI::transport_numpad_decimal ()
4497 {
4498         _numpad_timeout_connection.disconnect();
4499
4500         if (_numpad_locate_happening) {
4501                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4502                 _numpad_locate_happening = false;
4503         } else {
4504                 _pending_locate_num = 0;
4505                 _numpad_locate_happening = true;
4506                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4507         }
4508 }
4509
4510 void
4511 ARDOUR_UI::transport_numpad_event (int num)
4512 {
4513         if ( _numpad_locate_happening ) {
4514                 _pending_locate_num = _pending_locate_num*10 + num;
4515         } else {
4516                 switch (num) {
4517                         case 0:  toggle_roll(false, false);             break;
4518                         case 1:  transport_rewind(1);                           break;
4519                         case 2:  transport_forward(1);                          break;
4520                         case 3:  transport_record(true);                        break;
4521                         case 4:  if (_session) _session->request_play_loop(true);                                       break;
4522                         case 5:  if (_session) _session->request_play_loop(true); transport_record(false);      break;
4523                         case 6:  toggle_punch();                                                break;
4524                         case 7:  toggle_click();                                break;
4525                         case 8:  toggle_auto_return();                  break;
4526                         case 9:  toggle_follow_edits();         break;
4527                 }
4528         }
4529 }
4530
4531 void
4532 ARDOUR_UI::set_flat_buttons ()
4533 {
4534         CairoWidget::set_flat_buttons( config()->get_flat_buttons() );
4535 }