gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #include "gtk2ardour-version.h"
  23 #endif
  24
  25 #include <algorithm>
  26 #include <cmath>
  27 #include <iostream>
  28 #include <cerrno>
  29 #include <fstream>
  30
  31 #include <stdarg.h>
  32
  33 #ifndef PLATFORM_WINDOWS
  34 #include <sys/resource.h>
  35 #endif
  36
  37 #include <stdint.h>
  38 #include <fcntl.h>
  39 #include <signal.h>
  40 #include <unistd.h>
  41 #include <time.h>
  42
  43 #include <glib.h>
  44 #include <glib/gstdio.h>
  45
  46 #include <gtkmm/messagedialog.h>
  47 #include <gtkmm/accelmap.h>
  48
  49 #include "pbd/error.h"
  50 #include "pbd/basename.h"
  51 #include "pbd/compose.h"
  52 #include "pbd/failed_constructor.h"
  53 #include "pbd/enumwriter.h"
  54 #include "pbd/memento_command.h"
  55 #include "pbd/openuri.h"
  56 #include "pbd/stl_delete.h"
  57 #include "pbd/file_utils.h"
  58 #include "pbd/localtime_r.h"
  59 #include "pbd/pthread_utils.h"
  60 #include "pbd/replace_all.h"
  61 #include "pbd/xml++.h"
  62
  63 #include "gtkmm2ext/application.h"
  64 #include "gtkmm2ext/bindings.h"
  65 #include "gtkmm2ext/gtk_ui.h"
  66 #include "gtkmm2ext/utils.h"
  67 #include "gtkmm2ext/click_box.h"
  68 #include "gtkmm2ext/fastmeter.h"
  69 #include "gtkmm2ext/popup.h"
  70 #include "gtkmm2ext/window_title.h"
  71
  72 #include "ardour/ardour.h"
  73 #include "ardour/audio_backend.h"
  74 #include "ardour/audioengine.h"
  75 #include "ardour/audiofilesource.h"
  76 #include "ardour/automation_watch.h"
  77 #include "ardour/diskstream.h"
  78 #include "ardour/filename_extensions.h"
  79 #include "ardour/filesystem_paths.h"
  80 #include "ardour/port.h"
  81 #include "ardour/plugin_manager.h"
  82 #include "ardour/process_thread.h"
  83 #include "ardour/profile.h"
  84 #include "ardour/recent_sessions.h"
  85 #include "ardour/session_directory.h"
  86 #include "ardour/session_route.h"
  87 #include "ardour/session_state_utils.h"
  88 #include "ardour/session_utils.h"
  89 #include "ardour/slave.h"
  90 #include "ardour/system_exec.h"
  91
  92 #ifdef WINDOWS_VST_SUPPORT
  93 #include <fst.h>
  94 #endif
  95 #ifdef AUDIOUNIT_SUPPORT
  96 #include "ardour/audio_unit.h"
  97 #endif
  98
  99 #include "timecode/time.h"
 100
 101 typedef uint64_t microseconds_t;
 102
 103 #include "about.h"
 104 #include "editing.h"
 105 #include "actions.h"
 106 #include "add_route_dialog.h"
 107 #include "ambiguous_file_dialog.h"
 108 #include "ardour_ui.h"
 109 #include "audio_clock.h"
 110 #include "big_clock_window.h"
 111 #include "bundle_manager.h"
 112 #include "engine_dialog.h"
 113 #include "export_video_dialog.h"
 114 #include "export_video_infobox.h"
 115 #include "gain_meter.h"
 116 #include "global_port_matrix.h"
 117 #include "gui_object.h"
 118 #include "gui_thread.h"
 119 #include "keyboard.h"
 120 #include "keyeditor.h"
 121 #include "location_ui.h"
 122 #include "main_clock.h"
 123 #include "missing_file_dialog.h"
 124 #include "missing_plugin_dialog.h"
 125 #include "mixer_ui.h"
 126 #include "mouse_cursors.h"
 127 #include "nsm.h"
 128 #include "opts.h"
 129 #include "pingback.h"
 130 #include "processor_box.h"
 131 #include "prompter.h"
 132 #include "public_editor.h"
 133 #include "rc_option_editor.h"
 134 #include "route_time_axis.h"
 135 #include "route_params_ui.h"
 136 #include "save_as_dialog.h"
 137 #include "session_dialog.h"
 138 #include "session_metadata_dialog.h"
 139 #include "session_option_editor.h"
 140 #include "shuttle_control.h"
 141 #include "speaker_dialog.h"
 142 #include "splash.h"
 143 #include "startup.h"
 144 #include "theme_manager.h"
 145 #include "time_axis_view_item.h"
 146 #include "timers.h"
 147 #include "utils.h"
 148 #include "video_server_dialog.h"
 149 #include "add_video_dialog.h"
 150 #include "transcode_video_dialog.h"
 151
 152 #include "i18n.h"
 153
 154 using namespace ARDOUR;
 155 using namespace ARDOUR_UI_UTILS;
 156 using namespace PBD;
 157 using namespace Gtkmm2ext;
 158 using namespace Gtk;
 159 using namespace std;
 160 using namespace Editing;
 161
 162 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 163
 164 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 165 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 166
 167 float ARDOUR_UI::ui_scale = 1.0;
 168
 169 static bool
 170 ask_about_configuration_copy (string const & old_dir, string const & new_dir, int version)
 171 {
 172         MessageDialog msg (string_compose (_("%1 %2.x has discovered configuration files from %1 %3.x.\n\n"
 173                                              "Would you like these files to be copied and used for %1 %2.x?\n\n"
 174                                              "(This will require you to restart %1.)"),
 175                                            PROGRAM_NAME, PROGRAM_VERSION, version),
 176                            false, /* no markup */
 177                            Gtk::MESSAGE_INFO,
 178                            Gtk::BUTTONS_YES_NO,
 179                            true /* modal, though it hardly matters since it is the only window */
 180                 );
 181
 182         msg.set_default_response (Gtk::RESPONSE_YES);
 183         msg.show_all ();
 184
 185         return (msg.run() == Gtk::RESPONSE_YES);
 186 }
 187
 188 static void
 189 libxml_generic_error_func (void* /* parsing_context*/,
 190                    const char* msg,
 191                    ...)
 192 {
 193         va_list ap;
 194         char buf[2048];
 195
 196         va_start (ap, msg);
 197         vsnprintf (buf, sizeof (buf), msg, ap);
 198         error << buf << endmsg;
 199         va_end (ap);
 200 }
 201
 202 static void
 203 libxml_structured_error_func (void* /* parsing_context*/,
 204                               xmlErrorPtr err)
 205 {
 206         string msg;
 207
 208         if (err->message)
 209                 msg = err->message;
 210
 211         replace_all (msg, "\n", "");
 212
 213         if (err->file && err->line) {
 214                 error << X_("XML error: ") << msg << " in " << err->file << " at line " << err->line;
 215
 216                 if (err->int2) {
 217                         error << ':' << err->int2;
 218                 }
 219         }
 220         error << endmsg;
 221 }
 222
 223
 224 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir, UIConfiguration* uic)
 225
 226         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 227         , ui_config (uic->post_gui_init ())
 228         , session_loaded (false)
 229         , gui_object_state (new GUIObjectState)
 230         , primary_clock   (new MainClock (X_("primary"),   X_("transport"), true ))
 231         , secondary_clock (new MainClock (X_("secondary"), X_("secondary"), false))
 232         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 233         , video_timeline(0)
 234         , ignore_dual_punch (false)
 235         , editor (0)
 236         , mixer (0)
 237         , nsm (0)
 238         , _was_dirty (false)
 239         , _mixer_on_top (false)
 240         , _initial_verbose_plugin_scan (false)
 241         , first_time_engine_run (true)
 242         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 243         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 244         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 245         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 246         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 247         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 248         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 249         , auto_return_button (ArdourButton::led_default_elements)
 250         , follow_edits_button (ArdourButton::led_default_elements)
 251         , auto_input_button (ArdourButton::led_default_elements)
 252         , auditioning_alert_button (_("Audition"))
 253         , solo_alert_button (_("Solo"))
 254         , feedback_alert_button (_("Feedback"))
 255         , error_alert_button ( ArdourButton::just_led_default_elements )
 256         , editor_meter(0)
 257         , editor_meter_peak_display()
 258         , session_selector_window (0)
 259         , open_session_selector (0)
 260         , _numpad_locate_happening (false)
 261         , _session_is_new (false)
 262         , last_key_press_time (0)
 263         , save_as_dialog (0)
 264         , meterbridge (0)
 265         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 266         , key_editor (X_("key-editor"), _("Key Bindings"))
 267         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 268         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 269         , about (X_("about"), _("About"))
 270         , location_ui (X_("locations"), _("Locations"))
 271         , route_params (X_("inspector"), _("Tracks and Busses"))
 272         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 273         , export_video_dialog (X_("video-export"), _("Video Export Dialog"))
 274         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 275         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 276         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 277         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 278         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 279         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 280         , video_server_process (0)
 281         , splash (0)
 282         , have_configure_timeout (false)
 283         , last_configure_time (0)
 284         , last_peak_grab (0)
 285         , have_disk_speed_dialog_displayed (false)
 286         , _status_bar_visibility (X_("status-bar"))
 287         , _feedback_exists (false)
 288         , _log_not_acknowledged (LogLevelNone)
 289 {
 290         Gtkmm2ext::init (localedir);
 291
 292         if (ARDOUR::handle_old_configuration_files (boost::bind (ask_about_configuration_copy, _1, _2, _3))) {
 293                 MessageDialog msg (string_compose (_("Your configuration files were copied. You can now restart %1."), PROGRAM_NAME), true);
 294                 msg.run ();
 295                 /* configuration was modified, exit immediately */
 296                 _exit (0);
 297         }
 298
 299         if (theArdourUI == 0) {
 300                 theArdourUI = this;
 301         }
 302
 303         /* stop libxml from spewing to stdout/stderr */
 304
 305         xmlSetGenericErrorFunc (this, libxml_generic_error_func);
 306         xmlSetStructuredErrorFunc (this, libxml_structured_error_func);
 307
 308         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 309         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 310         ui_config->map_parameters (pc);
 311
 312         roll_button.set_controllable (roll_controllable);
 313         stop_button.set_controllable (stop_controllable);
 314         goto_start_button.set_controllable (goto_start_controllable);
 315         goto_end_button.set_controllable (goto_end_controllable);
 316         auto_loop_button.set_controllable (auto_loop_controllable);
 317         play_selection_button.set_controllable (play_selection_controllable);
 318         rec_button.set_controllable (rec_controllable);
 319
 320         roll_button.set_name ("transport button");
 321         stop_button.set_name ("transport button");
 322         goto_start_button.set_name ("transport button");
 323         goto_end_button.set_name ("transport button");
 324         auto_loop_button.set_name ("transport button");
 325         play_selection_button.set_name ("transport button");
 326         rec_button.set_name ("transport recenable button");
 327         midi_panic_button.set_name ("transport button");
 328
 329         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 330         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 331
 332         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 333
 334         /* handle dialog requests */
 335
 336         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 337
 338         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 339
 340         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 341
 342         /* handle Audio/MIDI setup when session requires it */
 343
 344         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 345
 346         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 347
 348         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 349
 350         /* handle requests to quit (coming from JACK session) */
 351
 352         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 353
 354         /* tell the user about feedback */
 355
 356         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 357         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 358
 359         /* handle requests to deal with missing files */
 360
 361         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 362
 363         /* and ambiguous files */
 364
 365         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 366
 367         /* also plugin scan messages */
 368         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 369         ARDOUR::PluginScanTimeout.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_timeout, this, _1), gui_context());
 370
 371         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 372
 373         Config->ParameterChanged.connect ( forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::set_flat_buttons, this), gui_context() );
 374         set_flat_buttons();
 375
 376         /* lets get this party started */
 377
 378         setup_gtk_ardour_enums ();
 379         setup_profile ();
 380
 381         SessionEvent::create_per_thread_pool ("GUI", 512);
 382
 383         /* we like keyboards */
 384
 385         keyboard = new ArdourKeyboard(*this);
 386
 387         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 388         if (node) {
 389                 keyboard->set_state (*node, Stateful::loading_state_version);
 390         }
 391
 392         /* we don't like certain modifiers */
 393         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 394
 395         reset_dpi();
 396
 397         TimeAxisViewItem::set_constant_heights ();
 398
 399         /* Set this up so that our window proxies can register actions */
 400
 401         ActionManager::init ();
 402
 403         /* The following must happen after ARDOUR::init() so that Config is set up */
 404
 405         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 406
 407         if (ui_xml) {
 408                 key_editor.set_state (*ui_xml);
 409                 rc_option_editor.set_state (*ui_xml);
 410                 session_option_editor.set_state (*ui_xml);
 411                 speaker_config_window.set_state (*ui_xml);
 412                 about.set_state (*ui_xml);
 413                 add_route_dialog.set_state (*ui_xml);
 414                 add_video_dialog.set_state (*ui_xml);
 415                 route_params.set_state (*ui_xml);
 416                 bundle_manager.set_state (*ui_xml);
 417                 location_ui.set_state (*ui_xml);
 418                 big_clock_window.set_state (*ui_xml);
 419                 audio_port_matrix.set_state (*ui_xml);
 420                 midi_port_matrix.set_state (*ui_xml);
 421                 export_video_dialog.set_state (*ui_xml);
 422         }
 423
 424         WM::Manager::instance().register_window (&key_editor);
 425         WM::Manager::instance().register_window (&rc_option_editor);
 426         WM::Manager::instance().register_window (&session_option_editor);
 427         WM::Manager::instance().register_window (&speaker_config_window);
 428         WM::Manager::instance().register_window (&about);
 429         WM::Manager::instance().register_window (&add_route_dialog);
 430         WM::Manager::instance().register_window (&add_video_dialog);
 431         WM::Manager::instance().register_window (&route_params);
 432         WM::Manager::instance().register_window (&audio_midi_setup);
 433         WM::Manager::instance().register_window (&export_video_dialog);
 434         WM::Manager::instance().register_window (&bundle_manager);
 435         WM::Manager::instance().register_window (&location_ui);
 436         WM::Manager::instance().register_window (&big_clock_window);
 437         WM::Manager::instance().register_window (&audio_port_matrix);
 438         WM::Manager::instance().register_window (&midi_port_matrix);
 439
 440         /* Trigger setting up the color scheme and loading the GTK RC file */
 441
 442         ARDOUR_UI::config()->load_rc_file (false);
 443
 444         _process_thread = new ProcessThread ();
 445         _process_thread->init ();
 446
 447         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 448
 449         attach_to_engine ();
 450 }
 451
 452 GlobalPortMatrixWindow*
 453 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 454 {
 455         if (!_session) {
 456                 return 0;
 457         }
 458         return new GlobalPortMatrixWindow (_session, type);
 459 }
 460
 461 void
 462 ARDOUR_UI::attach_to_engine ()
 463 {
 464         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 465         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 466 }
 467
 468 void
 469 ARDOUR_UI::engine_stopped ()
 470 {
 471         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 472         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 473         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 474 }
 475
 476 void
 477 ARDOUR_UI::engine_running ()
 478 {
 479         if (first_time_engine_run) {
 480                 post_engine();
 481                 first_time_engine_run = false;
 482         }
 483
 484         if (_session) {
 485                 _session->reset_xrun_count ();
 486         }
 487         update_disk_space ();
 488         update_cpu_load ();
 489         update_xrun_count ();
 490         update_sample_rate (AudioEngine::instance()->sample_rate());
 491         update_timecode_format ();
 492 }
 493
 494 void
 495 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 496 {
 497         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 498                 /* we can't rely on the original string continuing to exist when we are called
 499                    again in the GUI thread, so make a copy and note that we need to
 500                    free it later.
 501                 */
 502                 char *copy = strdup (reason);
 503                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 504                 return;
 505         }
 506
 507         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 508         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 509
 510         update_sample_rate (0);
 511
 512         string msgstr;
 513
 514         /* if the reason is a non-empty string, it means that the backend was shutdown
 515            rather than just Ardour.
 516         */
 517
 518         if (strlen (reason)) {
 519                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 520         } else {
 521                 msgstr = string_compose (_("\
 522 The audio backend has either been shutdown or it\n\
 523 disconnected %1 because %1\n\
 524 was not fast enough. Try to restart\n\
 525 the audio backend and save the session."), PROGRAM_NAME);
 526         }
 527
 528         MessageDialog msg (*editor, msgstr);
 529         pop_back_splash (msg);
 530         msg.run ();
 531
 532         if (free_reason) {
 533                 free (const_cast<char*> (reason));
 534         }
 535 }
 536
 537 void
 538 ARDOUR_UI::post_engine ()
 539 {
 540         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 541          */
 542 #ifdef AUDIOUNIT_SUPPORT
 543         std::string au_msg;
 544         if (AUPluginInfo::au_get_crashlog(au_msg)) {
 545                 popup_error(_("Audio Unit Plugin Scan Failed. Automatic AU scanning has been disabled. Please see the log window for further details."));
 546                 error << _("Audio Unit Plugin Scan Failed:") << endmsg;
 547                 info << au_msg << endmsg;
 548         }
 549 #endif
 550
 551         ARDOUR::init_post_engine ();
 552
 553         /* connect to important signals */
 554
 555         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 556         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 557         AudioEngine::instance()->BufferSizeChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 558         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 559         AudioEngine::instance()->BecameSilent.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::audioengine_became_silent, this), gui_context());
 560
 561         _tooltips.enable();
 562
 563         if (setup_windows ()) {
 564                 throw failed_constructor ();
 565         }
 566
 567         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 568         XMLNode* n = Config->extra_xml (X_("UI"));
 569         if (n) {
 570                 _status_bar_visibility.set_state (*n);
 571         }
 572
 573         check_memory_locking();
 574
 575         /* this is the first point at which all the keybindings are available */
 576
 577         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 578                 vector<string> names;
 579                 vector<string> paths;
 580                 vector<string> tooltips;
 581                 vector<string> keys;
 582                 vector<AccelKey> bindings;
 583
 584                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 585
 586                 vector<string>::iterator n;
 587                 vector<string>::iterator k;
 588                 vector<string>::iterator p;
 589                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 590                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 591                 }
 592
 593                 halt_connection.disconnect ();
 594                 AudioEngine::instance()->stop ();
 595                 exit (0);
 596         }
 597
 598         /* this being a GUI and all, we want peakfiles */
 599
 600         AudioFileSource::set_build_peakfiles (true);
 601         AudioFileSource::set_build_missing_peakfiles (true);
 602
 603         /* set default clock modes */
 604
 605         if (Profile->get_sae()) {
 606                 primary_clock->set_mode (AudioClock::BBT);
 607                 secondary_clock->set_mode (AudioClock::MinSec);
 608         }  else {
 609                 primary_clock->set_mode (AudioClock::Timecode);
 610                 secondary_clock->set_mode (AudioClock::BBT);
 611         }
 612
 613         /* start the time-of-day-clock */
 614
 615 #ifndef GTKOSX
 616         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 617         update_wall_clock ();
 618         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 619 #endif
 620
 621         {
 622                 DisplaySuspender ds;
 623                 Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 624                 boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 625                 Config->map_parameters (pc);
 626
 627                 ui_config->map_parameters (pc);
 628         }
 629 }
 630
 631 ARDOUR_UI::~ARDOUR_UI ()
 632 {
 633         ui_config->save_state();
 634
 635         stop_video_server();
 636
 637         if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
 638                 // don't bother at 'real' exit. the OS cleans up for us.
 639                 delete big_clock;
 640                 delete primary_clock;
 641                 delete secondary_clock;
 642                 delete _process_thread;
 643                 delete gui_object_state;
 644                 FastMeter::flush_pattern_cache ();
 645         }
 646 }
 647
 648 void
 649 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 650 {
 651         if (Splash::instance()) {
 652                 Splash::instance()->pop_back_for (win);
 653         }
 654 }
 655
 656 gint
 657 ARDOUR_UI::configure_timeout ()
 658 {
 659         if (last_configure_time == 0) {
 660                 /* no configure events yet */
 661                 return true;
 662         }
 663
 664         /* force a gap of 0.5 seconds since the last configure event
 665          */
 666
 667         if (get_microseconds() - last_configure_time < 500000) {
 668                 return true;
 669         } else {
 670                 have_configure_timeout = false;
 671                 save_ardour_state ();
 672                 return false;
 673         }
 674 }
 675
 676 gboolean
 677 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 678 {
 679         if (have_configure_timeout) {
 680                 last_configure_time = get_microseconds();
 681         } else {
 682                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 683                 have_configure_timeout = true;
 684         }
 685
 686         return FALSE;
 687 }
 688
 689 void
 690 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 691 {
 692         const XMLProperty* prop;
 693
 694         if ((prop = node.property ("roll")) != 0) {
 695                 roll_controllable->set_id (prop->value());
 696         }
 697         if ((prop = node.property ("stop")) != 0) {
 698                 stop_controllable->set_id (prop->value());
 699         }
 700         if ((prop = node.property ("goto-start")) != 0) {
 701                 goto_start_controllable->set_id (prop->value());
 702         }
 703         if ((prop = node.property ("goto-end")) != 0) {
 704                 goto_end_controllable->set_id (prop->value());
 705         }
 706         if ((prop = node.property ("auto-loop")) != 0) {
 707                 auto_loop_controllable->set_id (prop->value());
 708         }
 709         if ((prop = node.property ("play-selection")) != 0) {
 710                 play_selection_controllable->set_id (prop->value());
 711         }
 712         if ((prop = node.property ("rec")) != 0) {
 713                 rec_controllable->set_id (prop->value());
 714         }
 715         if ((prop = node.property ("shuttle")) != 0) {
 716                 shuttle_box->controllable()->set_id (prop->value());
 717         }
 718 }
 719
 720 XMLNode&
 721 ARDOUR_UI::get_transport_controllable_state ()
 722 {
 723         XMLNode* node = new XMLNode(X_("TransportControllables"));
 724         char buf[64];
 725
 726         roll_controllable->id().print (buf, sizeof (buf));
 727         node->add_property (X_("roll"), buf);
 728         stop_controllable->id().print (buf, sizeof (buf));
 729         node->add_property (X_("stop"), buf);
 730         goto_start_controllable->id().print (buf, sizeof (buf));
 731         node->add_property (X_("goto_start"), buf);
 732         goto_end_controllable->id().print (buf, sizeof (buf));
 733         node->add_property (X_("goto_end"), buf);
 734         auto_loop_controllable->id().print (buf, sizeof (buf));
 735         node->add_property (X_("auto_loop"), buf);
 736         play_selection_controllable->id().print (buf, sizeof (buf));
 737         node->add_property (X_("play_selection"), buf);
 738         rec_controllable->id().print (buf, sizeof (buf));
 739         node->add_property (X_("rec"), buf);
 740         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 741         node->add_property (X_("shuttle"), buf);
 742
 743         return *node;
 744 }
 745
 746 void
 747 ARDOUR_UI::save_session_at_its_request (std::string snapshot_name)
 748 {
 749         if (_session) {
 750                 _session->save_state (snapshot_name);
 751         }
 752 }
 753
 754 gint
 755 ARDOUR_UI::autosave_session ()
 756 {
 757         if (g_main_depth() > 1) {
 758                 /* inside a recursive main loop,
 759                    give up because we may not be able to
 760                    take a lock.
 761                 */
 762                 return 1;
 763         }
 764
 765         if (!Config->get_periodic_safety_backups()) {
 766                 return 1;
 767         }
 768
 769         if (_session) {
 770                 _session->maybe_write_autosave();
 771         }
 772
 773         return 1;
 774 }
 775
 776 void
 777 ARDOUR_UI::update_autosave ()
 778 {
 779         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 780
 781         if (_session && _session->dirty()) {
 782                 if (_autosave_connection.connected()) {
 783                         _autosave_connection.disconnect();
 784                 }
 785
 786                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 787                                 Config->get_periodic_safety_backup_interval() * 1000);
 788
 789         } else {
 790                 if (_autosave_connection.connected()) {
 791                         _autosave_connection.disconnect();
 792                 }
 793         }
 794 }
 795
 796 void
 797 ARDOUR_UI::check_announcements ()
 798 {
 799 #ifdef PHONE_HOME
 800         string _annc_filename;
 801
 802 #ifdef __APPLE__
 803         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 804 #elif defined PLATFORM_WINDOWS
 805         _annc_filename = PROGRAM_NAME "_announcements_windows_";
 806 #else
 807         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 808 #endif
 809         _annc_filename.append (VERSIONSTRING);
 810
 811         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 812         std::ifstream announce_file (path.c_str());
 813         if ( announce_file.fail() )
 814                 _announce_string = "";
 815         else {
 816                 std::stringstream oss;
 817                 oss << announce_file.rdbuf();
 818                 _announce_string = oss.str();
 819         }
 820
 821         pingback (VERSIONSTRING, path);
 822 #endif
 823 }
 824
 825 int
 826 ARDOUR_UI::starting ()
 827 {
 828         Application* app = Application::instance ();
 829         const char *nsm_url;
 830         bool brand_new_user = ArdourStartup::required ();
 831
 832         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 833         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::load_from_application_api));
 834
 835         if (ARDOUR_COMMAND_LINE::check_announcements) {
 836                 check_announcements ();
 837         }
 838
 839         app->ready ();
 840
 841         /* we need to create this early because it may need to set the
 842          *  audio backend end up.
 843          */
 844
 845         try {
 846                 audio_midi_setup.get (true);
 847         } catch (...) {
 848                 std::cerr << "audio-midi engine setup failed."<< std::endl;
 849                 return -1;
 850         }
 851
 852         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 853                 nsm = new NSM_Client;
 854                 if (!nsm->init (nsm_url)) {
 855                         /* the ardour executable may have different names:
 856                          *
 857                          * waf's obj.target for distro versions: eg ardour4, ardourvst4
 858                          * Ardour4, Mixbus3 for bundled versions + full path on OSX & windows
 859                          * argv[0] does not apply since we need the wrapper-script (not the binary itself)
 860                          *
 861                          * The wrapper startup script should set the environment variable 'ARDOUR_SELF'
 862                          */
 863                         const char *process_name = g_getenv ("ARDOUR_SELF");
 864                         nsm->announce (PROGRAM_NAME, ":dirty:", process_name ? process_name : "ardour4");
 865
 866                         unsigned int i = 0;
 867                         // wait for announce reply from nsm server
 868                         for ( i = 0; i < 5000; ++i) {
 869                                 nsm->check ();
 870
 871                                 Glib::usleep (i);
 872                                 if (nsm->is_active()) {
 873                                         break;
 874                                 }
 875                         }
 876                         if (i == 5000) {
 877                                 error << _("NSM server did not announce itself") << endmsg;
 878                                 return -1;
 879                         }
 880                         // wait for open command from nsm server
 881                         for ( i = 0; i < 5000; ++i) {
 882                                 nsm->check ();
 883                                 Glib::usleep (1000);
 884                                 if (nsm->client_id ()) {
 885                                         break;
 886                                 }
 887                         }
 888
 889                         if (i == 5000) {
 890                                 error << _("NSM: no client ID provided") << endmsg;
 891                                 return -1;
 892                         }
 893
 894                         if (_session && nsm) {
 895                                 _session->set_nsm_state( nsm->is_active() );
 896                         } else {
 897                                 error << _("NSM: no session created") << endmsg;
 898                                 return -1;
 899                         }
 900
 901                         // nsm requires these actions disabled
 902                         vector<string> action_names;
 903                         action_names.push_back("SaveAs");
 904                         action_names.push_back("Rename");
 905                         action_names.push_back("New");
 906                         action_names.push_back("Open");
 907                         action_names.push_back("Recent");
 908                         action_names.push_back("Close");
 909
 910                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 911                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 912                                 if (act) {
 913                                         act->set_sensitive (false);
 914                                 }
 915                         }
 916
 917                 } else {
 918                         delete nsm;
 919                         nsm = 0;
 920                         error << _("NSM: initialization failed") << endmsg;
 921                         return -1;
 922                 }
 923
 924         } else  {
 925
 926                 if (brand_new_user) {
 927                         _initial_verbose_plugin_scan = true;
 928                         ArdourStartup s;
 929                         s.present ();
 930                         main().run();
 931                         s.hide ();
 932                         _initial_verbose_plugin_scan = false;
 933                         switch (s.response ()) {
 934                         case Gtk::RESPONSE_OK:
 935                                 break;
 936                         default:
 937                                 return -1;
 938                         }
 939                 }
 940
 941 #ifdef NO_PLUGIN_STATE
 942
 943                 ARDOUR::RecentSessions rs;
 944                 ARDOUR::read_recent_sessions (rs);
 945
 946                 string path = Glib::build_filename (user_config_directory(), ".iknowaboutfreeversion");
 947
 948                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS) && !rs.empty()) {
 949
 950                         /* already used Ardour, have sessions ... warn about plugin state */
 951
 952                         ArdourDialog d (_("Free/Demo Version Warning"), true);
 953                         Label l;
 954                         Button b (string_compose (_("Subscribe and support development of %1"), PROGRAM_NAME));
 955                         CheckButton c (_("Don't warn me about this again"));
 956
 957                         l.set_markup (string_compose (_("<span weight=\"bold\" size=\"large\">%1</span>\n\n<b>%2</b>\n\n<i>%3</i>\n\n%4"),
 958                                                       string_compose (_("This is a free/demo version of %1"), PROGRAM_NAME),
 959                                                       _("It will not restore OR save any plugin settings"),
 960                                                       _("If you load an existing session with plugin settings\n"
 961                                                         "they will not be used and will be lost."),
 962                                                       _("To get full access to updates without this limitation\n"
 963                                                         "consider becoming a subscriber for a low cost every month.")));
 964                         l.set_justify (JUSTIFY_CENTER);
 965
 966                         b.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::launch_subscribe));
 967
 968                         d.get_vbox()->pack_start (l, true, true);
 969                         d.get_vbox()->pack_start (b, false, false, 12);
 970                         d.get_vbox()->pack_start (c, false, false, 12);
 971
 972                         d.add_button (_("Quit now"), RESPONSE_CANCEL);
 973                         d.add_button (string_compose (_("Continue using %1"), PROGRAM_NAME), RESPONSE_OK);
 974
 975                         d.show_all ();
 976
 977                         c.signal_toggled().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (toggle_file_existence), path)));
 978
 979                         if (d.run () != RESPONSE_OK) {
 980                                 _exit (0);
 981                         }
 982                 }
 983 #endif
 984
 985                 /* go get a session */
 986
 987                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 988
 989                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 990                         std::cerr << "Cannot get session parameters."<< std::endl;
 991                         return -1;
 992                 }
 993         }
 994
 995         use_config ();
 996
 997         goto_editor_window ();
 998
 999         WM::Manager::instance().show_visible ();
1000
1001         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
1002          * editor window, and we may want stuff to be hidden.
1003          */
1004         _status_bar_visibility.update ();
1005
1006         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
1007         return 0;
1008 }
1009
1010 void
1011 ARDOUR_UI::check_memory_locking ()
1012 {
1013 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
1014         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
1015         return;
1016 #else // !__APPLE__
1017
1018         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
1019
1020         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
1021
1022                 struct rlimit limits;
1023                 int64_t ram;
1024                 long pages, page_size;
1025 #ifdef __FreeBSD__
1026                 size_t pages_len=sizeof(pages);
1027                 if ((page_size = getpagesize()) < 0 ||
1028                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
1029 #else
1030                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
1031 #endif
1032                 {
1033                         ram = 0;
1034                 } else {
1035                         ram = (int64_t) pages * (int64_t) page_size;
1036                 }
1037
1038                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
1039                         return;
1040                 }
1041
1042                 if (limits.rlim_cur != RLIM_INFINITY) {
1043
1044                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
1045
1046                                 MessageDialog msg (
1047                                         string_compose (
1048                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
1049                                                   "This might cause %1 to run out of memory before your system "
1050                                                   "runs out of memory. \n\n"
1051                                                   "You can view the memory limit with 'ulimit -l', "
1052                                                   "and it is normally controlled by %2"),
1053                                                 PROGRAM_NAME,
1054 #ifdef __FreeBSD__
1055                                                 X_("/etc/login.conf")
1056 #else
1057                                                 X_(" /etc/security/limits.conf")
1058 #endif
1059                                         ).c_str());
1060
1061                                 msg.set_default_response (RESPONSE_OK);
1062
1063                                 VBox* vbox = msg.get_vbox();
1064                                 HBox hbox;
1065                                 CheckButton cb (_("Do not show this window again"));
1066                                 hbox.pack_start (cb, true, false);
1067                                 vbox->pack_start (hbox);
1068                                 cb.show();
1069                                 vbox->show();
1070                                 hbox.show ();
1071
1072                                 pop_back_splash (msg);
1073
1074                                 editor->ensure_float (msg);
1075                                 msg.run ();
1076
1077                                 if (cb.get_active()) {
1078                                         XMLNode node (X_("no-memory-warning"));
1079                                         Config->add_instant_xml (node);
1080                                 }
1081                         }
1082                 }
1083         }
1084 #endif // !__APPLE__
1085 }
1086
1087
1088 void
1089 ARDOUR_UI::queue_finish ()
1090 {
1091         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
1092 }
1093
1094 bool
1095 ARDOUR_UI::idle_finish ()
1096 {
1097         finish ();
1098         return false; /* do not call again */
1099 }
1100
1101 void
1102 ARDOUR_UI::finish()
1103 {
1104         if (_session) {
1105                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
1106
1107                 if (_session->dirty()) {
1108                         vector<string> actions;
1109                         actions.push_back (_("Don't quit"));
1110                         actions.push_back (_("Just quit"));
1111                         actions.push_back (_("Save and quit"));
1112                         switch (ask_about_saving_session(actions)) {
1113                         case -1:
1114                                 return;
1115                                 break;
1116                         case 1:
1117                                 /* use the default name */
1118                                 if (save_state_canfail ("")) {
1119                                         /* failed - don't quit */
1120                                         MessageDialog msg (*editor,
1121                                                            string_compose (_("\
1122 %1 was unable to save your session.\n\n\
1123 If you still wish to quit, please use the\n\n\
1124 \"Just quit\" option."), PROGRAM_NAME));
1125                                         pop_back_splash(msg);
1126                                         msg.run ();
1127                                         return;
1128                                 }
1129                                 break;
1130                         case 0:
1131                                 break;
1132                         }
1133                 }
1134
1135                 second_connection.disconnect ();
1136                 point_one_second_connection.disconnect ();
1137                 point_zero_something_second_connection.disconnect();
1138                 fps_connection.disconnect();
1139         }
1140
1141         delete ARDOUR_UI::instance()->video_timeline;
1142         ARDOUR_UI::instance()->video_timeline = NULL;
1143         stop_video_server();
1144
1145         /* Save state before deleting the session, as that causes some
1146            windows to be destroyed before their visible state can be
1147            saved.
1148         */
1149         save_ardour_state ();
1150
1151         close_all_dialogs ();
1152
1153         if (_session) {
1154                 _session->set_clean ();
1155                 _session->remove_pending_capture_state ();
1156                 delete _session;
1157                 _session = 0;
1158         }
1159
1160         halt_connection.disconnect ();
1161         AudioEngine::instance()->stop ();
1162 #ifdef WINDOWS_VST_SUPPORT
1163         fst_stop_threading();
1164 #endif
1165         quit ();
1166 }
1167
1168 int
1169 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1170 {
1171         ArdourDialog window (_("Unsaved Session"));
1172         Gtk::HBox dhbox;  // the hbox for the image and text
1173         Gtk::Label  prompt_label;
1174         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1175
1176         string msg;
1177
1178         assert (actions.size() >= 3);
1179
1180         window.add_button (actions[0], RESPONSE_REJECT);
1181         window.add_button (actions[1], RESPONSE_APPLY);
1182         window.add_button (actions[2], RESPONSE_ACCEPT);
1183
1184         window.set_default_response (RESPONSE_ACCEPT);
1185
1186         Gtk::Button noquit_button (msg);
1187         noquit_button.set_name ("EditorGTKButton");
1188
1189         string prompt;
1190
1191         if (_session->snap_name() == _session->name()) {
1192                 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?"),
1193                                         _session->snap_name());
1194         } else {
1195                 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?"),
1196                                         _session->snap_name());
1197         }
1198
1199         prompt_label.set_text (prompt);
1200         prompt_label.set_name (X_("PrompterLabel"));
1201         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1202
1203         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1204         dhbox.set_homogeneous (false);
1205         dhbox.pack_start (*dimage, false, false, 5);
1206         dhbox.pack_start (prompt_label, true, false, 5);
1207         window.get_vbox()->pack_start (dhbox);
1208
1209         window.set_name (_("Prompter"));
1210         window.set_modal (true);
1211         window.set_resizable (false);
1212
1213         dhbox.show();
1214         prompt_label.show();
1215         dimage->show();
1216         window.show();
1217         window.present ();
1218
1219         ResponseType r = (ResponseType) window.run();
1220
1221         window.hide ();
1222
1223         switch (r) {
1224         case RESPONSE_ACCEPT: // save and get out of here
1225                 return 1;
1226         case RESPONSE_APPLY:  // get out of here
1227                 return 0;
1228         default:
1229                 break;
1230         }
1231
1232         return -1;
1233 }
1234
1235
1236 void
1237 ARDOUR_UI::every_second ()
1238 {
1239         update_cpu_load ();
1240         update_xrun_count ();
1241         update_buffer_load ();
1242         update_disk_space ();
1243         update_timecode_format ();
1244
1245         if (nsm && nsm->is_active ()) {
1246                 nsm->check ();
1247
1248                 if (!_was_dirty && _session->dirty ()) {
1249                         nsm->is_dirty ();
1250                         _was_dirty = true;
1251                 }
1252                 else if (_was_dirty && !_session->dirty ()){
1253                         nsm->is_clean ();
1254                         _was_dirty = false;
1255                 }
1256         }
1257 }
1258
1259 void
1260 ARDOUR_UI::every_point_one_seconds ()
1261 {
1262         // TODO get rid of this..
1263         // ShuttleControl is updated directly via TransportStateChange signal
1264 }
1265
1266 void
1267 ARDOUR_UI::every_point_zero_something_seconds ()
1268 {
1269         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1270
1271         if (editor_meter && ARDOUR_UI::config()->get_show_editor_meter()) {
1272                 float mpeak = editor_meter->update_meters();
1273                 if (mpeak > editor_meter_max_peak) {
1274                         if (mpeak >= ARDOUR_UI::config()->get_meter_peak()) {
1275                                 editor_meter_peak_display.set_active_state ( Gtkmm2ext::ExplicitActive );
1276                         }
1277                 }
1278         }
1279 }
1280
1281 void
1282 ARDOUR_UI::set_fps_timeout_connection ()
1283 {
1284         unsigned int interval = 40;
1285         if (!_session) return;
1286         if (_session->timecode_frames_per_second() != 0) {
1287                 /* ideally we'll use a select() to sleep and not accumulate
1288                  * idle time to provide a regular periodic signal.
1289                  * See linux_vst_gui_support.cc 'elapsed_time_ms'.
1290                  * However, that'll require a dedicated thread and cross-thread
1291                  * signals to the GUI Thread..
1292                  */
1293                 interval = floor(500. /* update twice per FPS, since Glib::signal_timeout is very irregular */
1294                                 * _session->frame_rate() / _session->nominal_frame_rate()
1295                                 / _session->timecode_frames_per_second()
1296                                 );
1297 #ifdef PLATFORM_WINDOWS
1298                 // the smallest windows scheduler time-slice is ~15ms.
1299                 // periodic GUI timeouts shorter than that will cause
1300                 // WaitForSingleObject to spinlock (100% of one CPU Core)
1301                 // and gtk never enters idle mode.
1302                 // also changing timeBeginPeriod(1) does not affect that in
1303                 // any beneficial way, so we just limit the max rate for now.
1304                 interval = std::max(30u, interval); // at most ~33Hz.
1305 #else
1306                 interval = std::max(8u, interval); // at most 120Hz.
1307 #endif
1308         }
1309         fps_connection.disconnect();
1310         Timers::set_fps_interval (interval);
1311 }
1312
1313 void
1314 ARDOUR_UI::update_sample_rate (framecnt_t)
1315 {
1316         char buf[64];
1317
1318         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1319
1320         if (!AudioEngine::instance()->connected()) {
1321
1322                 snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1323
1324         } else {
1325
1326                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1327
1328                 if (rate == 0) {
1329                         /* no sample rate available */
1330                         snprintf (buf, sizeof (buf), "%s", _("Audio: <span foreground=\"red\">none</span>"));
1331                 } else {
1332
1333                         if (fmod (rate, 1000.0) != 0.0) {
1334                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1335                                           (float) rate / 1000.0f,
1336                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1337                         } else {
1338                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1339                                           rate/1000,
1340                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1341                         }
1342                 }
1343         }
1344         sample_rate_label.set_markup (buf);
1345 }
1346
1347 void
1348 ARDOUR_UI::update_format ()
1349 {
1350         if (!_session) {
1351                 format_label.set_text ("");
1352                 return;
1353         }
1354
1355         stringstream s;
1356         s << _("File:") << X_(" <span foreground=\"green\">");
1357
1358         switch (_session->config.get_native_file_header_format ()) {
1359         case BWF:
1360                 s << _("BWF");
1361                 break;
1362         case WAVE:
1363                 s << _("WAV");
1364                 break;
1365         case WAVE64:
1366                 s << _("WAV64");
1367                 break;
1368         case CAF:
1369                 s << _("CAF");
1370                 break;
1371         case AIFF:
1372                 s << _("AIFF");
1373                 break;
1374         case iXML:
1375                 s << _("iXML");
1376                 break;
1377         case RF64:
1378                 s << _("RF64");
1379                 break;
1380         }
1381
1382         s << " ";
1383
1384         switch (_session->config.get_native_file_data_format ()) {
1385         case FormatFloat:
1386                 s << _("32-float");
1387                 break;
1388         case FormatInt24:
1389                 s << _("24-int");
1390                 break;
1391         case FormatInt16:
1392                 s << _("16-int");
1393                 break;
1394         }
1395
1396         s << X_("</span>");
1397
1398         format_label.set_markup (s.str ());
1399 }
1400
1401 void
1402 ARDOUR_UI::update_xrun_count ()
1403 {
1404         char buf[64];
1405
1406         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1407            should also be changed.
1408         */
1409
1410         if (_session) {
1411                 const unsigned int x = _session->get_xrun_count ();
1412                 if (x > 9999) {
1413                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">&gt;10K</span>"), X_("red"));
1414                 } else {
1415                         snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">%u</span>"), x > 0 ? X_("red") : X_("green"), x);
1416                 }
1417         } else {
1418                 snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">?</span>"), X_("yellow"));
1419         }
1420         xrun_label.set_markup (buf);
1421         set_tip (xrun_label, _("Audio dropouts. Shift+click to reset"));
1422 }
1423
1424 void
1425 ARDOUR_UI::update_cpu_load ()
1426 {
1427         char buf[64];
1428
1429         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1430            should also be changed.
1431         */
1432
1433         double const c = AudioEngine::instance()->get_dsp_load ();
1434         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1435         cpu_load_label.set_markup (buf);
1436 }
1437
1438 void
1439 ARDOUR_UI::update_buffer_load ()
1440 {
1441         char buf[256];
1442
1443         uint32_t const playback = _session ? _session->playback_load () : 100;
1444         uint32_t const capture = _session ? _session->capture_load () : 100;
1445
1446         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1447            should also be changed.
1448         */
1449
1450         if (_session) {
1451                 snprintf (
1452                         buf, sizeof (buf),
1453                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1454                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1455                         playback <= 5 ? X_("red") : X_("green"),
1456                         playback,
1457                         capture <= 5 ? X_("red") : X_("green"),
1458                         capture
1459                         );
1460
1461                 buffer_load_label.set_markup (buf);
1462         } else {
1463                 buffer_load_label.set_text ("");
1464         }
1465 }
1466
1467 void
1468 ARDOUR_UI::count_recenabled_streams (Route& route)
1469 {
1470         Track* track = dynamic_cast<Track*>(&route);
1471         if (track && track->record_enabled()) {
1472                 rec_enabled_streams += track->n_inputs().n_total();
1473         }
1474 }
1475
1476 void
1477 ARDOUR_UI::update_disk_space()
1478 {
1479         if (_session == 0) {
1480                 return;
1481         }
1482
1483         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1484         char buf[64];
1485         framecnt_t fr = _session->frame_rate();
1486
1487         if (fr == 0) {
1488                 /* skip update - no SR available */
1489                 return;
1490         }
1491
1492         if (!opt_frames) {
1493                 /* Available space is unknown */
1494                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1495         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1496                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1497         } else {
1498                 rec_enabled_streams = 0;
1499                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams, false);
1500
1501                 framecnt_t frames = opt_frames.get_value_or (0);
1502
1503                 if (rec_enabled_streams) {
1504                         frames /= rec_enabled_streams;
1505                 }
1506
1507                 int hrs;
1508                 int mins;
1509                 int secs;
1510
1511                 hrs  = frames / (fr * 3600);
1512
1513                 if (hrs > 24) {
1514                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1515                 } else {
1516                         frames -= hrs * fr * 3600;
1517                         mins = frames / (fr * 60);
1518                         frames -= mins * fr * 60;
1519                         secs = frames / fr;
1520
1521                         bool const low = (hrs == 0 && mins <= 30);
1522
1523                         snprintf (
1524                                 buf, sizeof(buf),
1525                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1526                                 low ? X_("red") : X_("green"),
1527                                 hrs, mins, secs
1528                                 );
1529                 }
1530         }
1531
1532         disk_space_label.set_markup (buf);
1533 }
1534
1535 void
1536 ARDOUR_UI::update_timecode_format ()
1537 {
1538         char buf[64];
1539
1540         if (_session) {
1541                 bool matching;
1542                 TimecodeSlave* tcslave;
1543                 SyncSource sync_src = Config->get_sync_source();
1544
1545                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1546                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1547                 } else {
1548                         matching = true;
1549                 }
1550
1551                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1552                           matching ? X_("green") : X_("red"),
1553                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1554         } else {
1555                 snprintf (buf, sizeof (buf), "TC: n/a");
1556         }
1557
1558         timecode_format_label.set_markup (buf);
1559 }
1560
1561 gint
1562 ARDOUR_UI::update_wall_clock ()
1563 {
1564         time_t now;
1565         struct tm *tm_now;
1566         static int last_min = -1;
1567
1568         time (&now);
1569         tm_now = localtime (&now);
1570         if (last_min != tm_now->tm_min) {
1571                 char buf[16];
1572                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1573                 wall_clock_label.set_text (buf);
1574                 last_min = tm_now->tm_min;
1575         }
1576
1577         return TRUE;
1578 }
1579
1580 void
1581 ARDOUR_UI::redisplay_recent_sessions ()
1582 {
1583         std::vector<std::string> session_directories;
1584         RecentSessionsSorter cmp;
1585
1586         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1587         recent_session_model->clear ();
1588
1589         ARDOUR::RecentSessions rs;
1590         ARDOUR::read_recent_sessions (rs);
1591
1592         if (rs.empty()) {
1593                 recent_session_display.set_model (recent_session_model);
1594                 return;
1595         }
1596
1597         // sort them alphabetically
1598         sort (rs.begin(), rs.end(), cmp);
1599
1600         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1601                 session_directories.push_back ((*i).second);
1602         }
1603
1604         for (vector<std::string>::const_iterator i = session_directories.begin();
1605                         i != session_directories.end(); ++i)
1606         {
1607                 std::vector<std::string> state_file_paths;
1608
1609                 // now get available states for this session
1610
1611                 get_state_files_in_directory (*i, state_file_paths);
1612
1613                 vector<string> states;
1614                 vector<const gchar*> item;
1615                 string fullpath = *i;
1616
1617                 /* remove any trailing / */
1618
1619                 if (fullpath[fullpath.length() - 1] == '/') {
1620                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1621                 }
1622
1623                 /* check whether session still exists */
1624                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1625                         /* session doesn't exist */
1626                         continue;
1627                 }
1628
1629                 /* now get available states for this session */
1630                 states = Session::possible_states (fullpath);
1631
1632                 if (states.empty()) {
1633                         /* no state file? */
1634                         continue;
1635                 }
1636
1637                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1638
1639                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1640
1641                 row[recent_session_columns.fullpath] = fullpath;
1642                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1643
1644                 if (state_file_names.size() > 1) {
1645                         // multiple session files in the session directory - show the directory name.
1646                         row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1647
1648                         // add the children
1649                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1650                                         i2 != state_file_names.end(); ++i2)
1651                         {
1652
1653                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1654
1655                                 child_row[recent_session_columns.visible_name] = *i2;
1656                                 child_row[recent_session_columns.fullpath] = fullpath;
1657                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1658                         }
1659                 } else {
1660                         // only a single session file in the directory - show its actual name.
1661                         row[recent_session_columns.visible_name] = state_file_names.front ();
1662                 }
1663         }
1664
1665         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1666         recent_session_display.set_model (recent_session_model);
1667 }
1668
1669 void
1670 ARDOUR_UI::build_session_selector ()
1671 {
1672         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1673
1674         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1675
1676         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1677         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1678         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1679         recent_session_model = TreeStore::create (recent_session_columns);
1680         recent_session_display.set_model (recent_session_model);
1681         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1682         recent_session_display.set_headers_visible (false);
1683         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1684         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1685
1686         scroller->add (recent_session_display);
1687         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1688
1689         session_selector_window->set_name ("SessionSelectorWindow");
1690         session_selector_window->set_size_request (200, 400);
1691         session_selector_window->get_vbox()->pack_start (*scroller);
1692
1693         recent_session_display.show();
1694         scroller->show();
1695 }
1696
1697 void
1698 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1699 {
1700         session_selector_window->response (RESPONSE_ACCEPT);
1701 }
1702
1703 void
1704 ARDOUR_UI::open_recent_session ()
1705 {
1706         bool can_return = (_session != 0);
1707
1708         if (session_selector_window == 0) {
1709                 build_session_selector ();
1710         }
1711
1712         redisplay_recent_sessions ();
1713
1714         while (true) {
1715
1716                 ResponseType r = (ResponseType) session_selector_window->run ();
1717
1718                 switch (r) {
1719                 case RESPONSE_ACCEPT:
1720                         break;
1721                 default:
1722                         if (can_return) {
1723                                 session_selector_window->hide();
1724                                 return;
1725                         } else {
1726                                 exit (1);
1727                         }
1728                 }
1729
1730                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1731                         continue;
1732                 }
1733
1734                 session_selector_window->hide();
1735
1736                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1737
1738                 if (i == recent_session_model->children().end()) {
1739                         return;
1740                 }
1741
1742                 std::string path = (*i)[recent_session_columns.fullpath];
1743                 std::string state = (*i)[recent_session_columns.visible_name];
1744
1745                 _session_is_new = false;
1746
1747                 if (load_session (path, state) == 0) {
1748                         break;
1749                 }
1750
1751                 can_return = false;
1752         }
1753 }
1754
1755 bool
1756 ARDOUR_UI::check_audioengine ()
1757 {
1758         if (!AudioEngine::instance()->connected()) {
1759                 MessageDialog msg (string_compose (
1760                                            _("%1 is not connected to any audio backend.\n"
1761                                              "You cannot open or close sessions in this condition"),
1762                                            PROGRAM_NAME));
1763                 pop_back_splash (msg);
1764                 msg.run ();
1765                 return false;
1766         }
1767         return true;
1768 }
1769
1770 void
1771 ARDOUR_UI::open_session ()
1772 {
1773         if (!check_audioengine()) {
1774                 return;
1775
1776         }
1777
1778         /* popup selector window */
1779
1780         if (open_session_selector == 0) {
1781
1782                 /* ardour sessions are folders */
1783
1784                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1785                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1786                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1787                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1788
1789                 if (_session) {
1790                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1791                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1792                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1793                         open_session_selector->set_current_folder(session_parent_dir);
1794                 } else {
1795                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1796                 }
1797
1798                 string default_session_folder = Config->get_default_session_parent_dir();
1799                 try {
1800                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1801                         open_session_selector->add_shortcut_folder (default_session_folder);
1802                 }
1803                 catch (Glib::Error & e) {
1804                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1805                 }
1806
1807                 FileFilter session_filter;
1808                 session_filter.add_pattern (string_compose(X_("*%1"), ARDOUR::statefile_suffix));
1809                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1810                 open_session_selector->add_filter (session_filter);
1811                 open_session_selector->set_filter (session_filter);
1812         }
1813
1814         int response = open_session_selector->run();
1815         open_session_selector->hide ();
1816
1817         switch (response) {
1818         case RESPONSE_ACCEPT:
1819                 break;
1820         default:
1821                 open_session_selector->hide();
1822                 return;
1823         }
1824
1825         open_session_selector->hide();
1826         string session_path = open_session_selector->get_filename();
1827         string path, name;
1828         bool isnew;
1829
1830         if (session_path.length() > 0) {
1831                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1832                         _session_is_new = isnew;
1833                         load_session (path, name);
1834                 }
1835         }
1836 }
1837
1838
1839 void
1840 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1841                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1842 {
1843         list<boost::shared_ptr<MidiTrack> > tracks;
1844
1845         if (_session == 0) {
1846                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1847                 return;
1848         }
1849
1850         try {
1851                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1852
1853                 if (tracks.size() != how_many) {
1854                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1855                 }
1856         }
1857
1858         catch (...) {
1859                 MessageDialog msg (*editor,
1860                                    string_compose (_("There are insufficient ports available\n\
1861 to create a new track or bus.\n\
1862 You should save %1, exit and\n\
1863 restart with more ports."), PROGRAM_NAME));
1864                 msg.run ();
1865         }
1866 }
1867
1868
1869 void
1870 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1871 {
1872         ChanCount one_midi_channel;
1873         one_midi_channel.set (DataType::MIDI, 1);
1874
1875         if (disk) {
1876                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1877         }
1878 }
1879
1880 void
1881 ARDOUR_UI::session_add_audio_route (
1882         bool track,
1883         int32_t input_channels,
1884         int32_t output_channels,
1885         ARDOUR::TrackMode mode,
1886         RouteGroup* route_group,
1887         uint32_t how_many,
1888         string const & name_template
1889         )
1890 {
1891         list<boost::shared_ptr<AudioTrack> > tracks;
1892         RouteList routes;
1893
1894         if (_session == 0) {
1895                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1896                 return;
1897         }
1898
1899         try {
1900                 if (track) {
1901                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1902
1903                         if (tracks.size() != how_many) {
1904                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1905                                       << endmsg;
1906                         }
1907
1908                 } else {
1909
1910                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1911
1912                         if (routes.size() != how_many) {
1913                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1914                                       << endmsg;
1915                         }
1916                 }
1917         }
1918
1919         catch (...) {
1920                 MessageDialog msg (*editor,
1921                                    string_compose (_("There are insufficient ports available\n\
1922 to create a new track or bus.\n\
1923 You should save %1, exit and\n\
1924 restart with more ports."), PROGRAM_NAME));
1925                 pop_back_splash (msg);
1926                 msg.run ();
1927         }
1928 }
1929
1930 void
1931 ARDOUR_UI::transport_goto_start ()
1932 {
1933         if (_session) {
1934                 _session->goto_start();
1935
1936                 /* force displayed area in editor to start no matter
1937                    what "follow playhead" setting is.
1938                 */
1939
1940                 if (editor) {
1941                         editor->center_screen (_session->current_start_frame ());
1942                 }
1943         }
1944 }
1945
1946 void
1947 ARDOUR_UI::transport_goto_zero ()
1948 {
1949         if (_session) {
1950                 _session->request_locate (0);
1951
1952                 /* force displayed area in editor to start no matter
1953                    what "follow playhead" setting is.
1954                 */
1955
1956                 if (editor) {
1957                         editor->reset_x_origin (0);
1958                 }
1959         }
1960 }
1961
1962 void
1963 ARDOUR_UI::transport_goto_wallclock ()
1964 {
1965         if (_session && editor) {
1966
1967                 time_t now;
1968                 struct tm tmnow;
1969                 framepos_t frames;
1970
1971                 time (&now);
1972                 localtime_r (&now, &tmnow);
1973
1974                 int frame_rate = _session->frame_rate();
1975
1976                 if (frame_rate == 0) {
1977                         /* no frame rate available */
1978                         return;
1979                 }
1980
1981                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1982                 frames += tmnow.tm_min * (60 * frame_rate);
1983                 frames += tmnow.tm_sec * frame_rate;
1984
1985                 _session->request_locate (frames, _session->transport_rolling ());
1986
1987                 /* force displayed area in editor to start no matter
1988                    what "follow playhead" setting is.
1989                 */
1990
1991                 if (editor) {
1992                         editor->center_screen (frames);
1993                 }
1994         }
1995 }
1996
1997 void
1998 ARDOUR_UI::transport_goto_end ()
1999 {
2000         if (_session) {
2001                 framepos_t const frame = _session->current_end_frame();
2002                 _session->request_locate (frame);
2003
2004                 /* force displayed area in editor to start no matter
2005                    what "follow playhead" setting is.
2006                 */
2007
2008                 if (editor) {
2009                         editor->center_screen (frame);
2010                 }
2011         }
2012 }
2013
2014 void
2015 ARDOUR_UI::transport_stop ()
2016 {
2017         if (!_session) {
2018                 return;
2019         }
2020
2021         if (_session->is_auditioning()) {
2022                 _session->cancel_audition ();
2023                 return;
2024         }
2025
2026         _session->request_stop (false, true);
2027 }
2028
2029 /** Check if any tracks are record enabled. If none are, record enable all of them.
2030  * @return true if track record-enabled status was changed, false otherwise.
2031  */
2032 bool
2033 ARDOUR_UI::trx_record_enable_all_tracks ()
2034 {
2035         if (!_session) {
2036                 return false;
2037         }
2038
2039         boost::shared_ptr<RouteList> rl = _session->get_tracks ();
2040         bool none_record_enabled = true;
2041
2042         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2043                 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*r);
2044                 assert (t);
2045
2046                 if (t->record_enabled()) {
2047                         none_record_enabled = false;
2048                         break;
2049                 }
2050         }
2051
2052         if (none_record_enabled) {
2053                 _session->set_record_enabled (rl, true, Session::rt_cleanup);
2054         }
2055
2056         return none_record_enabled;
2057 }
2058
2059 void
2060 ARDOUR_UI::transport_record (bool roll)
2061 {
2062         if (_session) {
2063                 switch (_session->record_status()) {
2064                 case Session::Disabled:
2065                         if (_session->ntracks() == 0) {
2066                                 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."));
2067                                 msg.run ();
2068                                 return;
2069                         }
2070                         if (Profile->get_trx()) {
2071                                 roll = trx_record_enable_all_tracks ();
2072                         }
2073                         _session->maybe_enable_record ();
2074                         if (roll) {
2075                                 transport_roll ();
2076                         }
2077                         break;
2078                 case Session::Recording:
2079                         if (roll) {
2080                                 _session->request_stop();
2081                         } else {
2082                                 _session->disable_record (false, true);
2083                         }
2084                         break;
2085
2086                 case Session::Enabled:
2087                         _session->disable_record (false, true);
2088                 }
2089         }
2090 }
2091
2092 void
2093 ARDOUR_UI::transport_roll ()
2094 {
2095         if (!_session) {
2096                 return;
2097         }
2098
2099         if (_session->is_auditioning()) {
2100                 return;
2101         }
2102
2103 #if 0
2104         if (_session->config.get_external_sync()) {
2105                 switch (Config->get_sync_source()) {
2106                 case Engine:
2107                         break;
2108                 default:
2109                         /* transport controlled by the master */
2110                         return;
2111                 }
2112         }
2113 #endif
2114
2115         bool rolling = _session->transport_rolling();
2116
2117         if (_session->get_play_loop()) {
2118
2119                 /* If loop playback is not a mode, then we should cancel
2120                    it when this action is requested. If it is a mode
2121                    we just leave it in place.
2122                 */
2123
2124                 if (!Config->get_loop_is_mode()) {
2125                         /* XXX it is not possible to just leave seamless loop and keep
2126                            playing at present (nov 4th 2009)
2127                         */
2128                         if (!Config->get_seamless_loop()) {
2129                                 /* stop loop playback and stop rolling */
2130                                 _session->request_play_loop (false, true);
2131                         } else if (rolling) {
2132                                 /* stop loop playback but keep rolling */
2133                                 _session->request_play_loop (false, false);
2134                         }
2135                 }
2136
2137         } else if (_session->get_play_range () ) {
2138                 /* stop playing a range if we currently are */
2139                 _session->request_play_range (0, true);
2140         }
2141
2142         if (!rolling) {
2143                 _session->request_transport_speed (1.0f);
2144         }
2145 }
2146
2147 bool
2148 ARDOUR_UI::get_smart_mode() const
2149 {
2150         return ( editor->get_smart_mode() );
2151 }
2152
2153
2154 void
2155 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
2156 {
2157         if (!_session) {
2158                 return;
2159         }
2160
2161         if (_session->is_auditioning()) {
2162                 _session->cancel_audition ();
2163                 return;
2164         }
2165
2166         if (_session->config.get_external_sync()) {
2167                 switch (Config->get_sync_source()) {
2168                 case Engine:
2169                         break;
2170                 default:
2171                         /* transport controlled by the master */
2172                         return;
2173                 }
2174         }
2175
2176         bool rolling = _session->transport_rolling();
2177         bool affect_transport = true;
2178
2179         if (rolling && roll_out_of_bounded_mode) {
2180                 /* drop out of loop/range playback but leave transport rolling */
2181                 if (_session->get_play_loop()) {
2182                         if (Config->get_seamless_loop()) {
2183                                 /* the disk buffers contain copies of the loop - we can't
2184                                    just keep playing, so stop the transport. the user
2185                                    can restart as they wish.
2186                                 */
2187                                 affect_transport = true;
2188                         } else {
2189                                 /* disk buffers are normal, so we can keep playing */
2190                                 affect_transport = false;
2191                         }
2192                         _session->request_play_loop (false, affect_transport);
2193                 } else if (_session->get_play_range ()) {
2194                         affect_transport = false;
2195                         _session->request_play_range (0, true);
2196                 }
2197         }
2198
2199         if (affect_transport) {
2200                 if (rolling) {
2201                         _session->request_stop (with_abort, true);
2202                 } else {
2203                         if (ARDOUR_UI::config()->get_follow_edits() && ( editor->get_selection().time.front().start == _session->transport_frame() ) ) {  //if playhead is exactly at the start of a range, we can assume it was placed there by follow_edits
2204                                 _session->request_play_range (&editor->get_selection().time, true);
2205                                 _session->set_requested_return_frame( editor->get_selection().time.front().start );  //force an auto-return here
2206                         }
2207                         _session->request_transport_speed (1.0f);
2208                 }
2209         }
2210 }
2211
2212 void
2213 ARDOUR_UI::toggle_session_auto_loop ()
2214 {
2215         Location * looploc = _session->locations()->auto_loop_location();
2216
2217         if (!_session || !looploc) {
2218                 return;
2219         }
2220
2221         if (_session->get_play_loop()) {
2222
2223                 /* looping enabled, our job is to disable it */
2224
2225                 _session->request_play_loop (false);
2226
2227         } else {
2228
2229                 /* looping not enabled, our job is to enable it.
2230
2231                    loop-is-NOT-mode: this action always starts the transport rolling.
2232                    loop-IS-mode:     this action simply sets the loop play mechanism, but
2233                                         does not start transport.
2234                 */
2235                 if (Config->get_loop_is_mode()) {
2236                         _session->request_play_loop (true, false);
2237                 } else {
2238                         _session->request_play_loop (true, true);
2239                 }
2240         }
2241
2242         //show the loop markers
2243         looploc->set_hidden (false, this);
2244 }
2245
2246 void
2247 ARDOUR_UI::transport_play_selection ()
2248 {
2249         if (!_session) {
2250                 return;
2251         }
2252
2253         editor->play_selection ();
2254 }
2255
2256 void
2257 ARDOUR_UI::transport_play_preroll ()
2258 {
2259         if (!_session) {
2260                 return;
2261         }
2262         editor->play_with_preroll ();
2263 }
2264
2265 void
2266 ARDOUR_UI::transport_rewind (int option)
2267 {
2268         float current_transport_speed;
2269
2270         if (_session) {
2271                 current_transport_speed = _session->transport_speed();
2272
2273                 if (current_transport_speed >= 0.0f) {
2274                         switch (option) {
2275                         case 0:
2276                                 _session->request_transport_speed (-1.0f);
2277                                 break;
2278                         case 1:
2279                                 _session->request_transport_speed (-4.0f);
2280                                 break;
2281                         case -1:
2282                                 _session->request_transport_speed (-0.5f);
2283                                 break;
2284                         }
2285                 } else {
2286                         /* speed up */
2287                         _session->request_transport_speed (current_transport_speed * 1.5f);
2288                 }
2289         }
2290 }
2291
2292 void
2293 ARDOUR_UI::transport_forward (int option)
2294 {
2295         if (!_session) {
2296                 return;
2297         }
2298
2299         float current_transport_speed = _session->transport_speed();
2300
2301         if (current_transport_speed <= 0.0f) {
2302                 switch (option) {
2303                 case 0:
2304                         _session->request_transport_speed (1.0f);
2305                         break;
2306                 case 1:
2307                         _session->request_transport_speed (4.0f);
2308                         break;
2309                 case -1:
2310                         _session->request_transport_speed (0.5f);
2311                         break;
2312                 }
2313         } else {
2314                 /* speed up */
2315                 _session->request_transport_speed (current_transport_speed * 1.5f);
2316         }
2317 }
2318
2319 void
2320 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2321 {
2322         if (!_session) {
2323                 return;
2324         }
2325
2326         boost::shared_ptr<Route> r;
2327
2328         if ((r = _session->route_by_remote_id (rid)) != 0) {
2329
2330                 Track* t;
2331
2332                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2333                         t->set_record_enabled (!t->record_enabled(), this);
2334                 }
2335         }
2336 }
2337
2338 void
2339 ARDOUR_UI::map_transport_state ()
2340 {
2341         if (!_session) {
2342                 auto_loop_button.unset_active_state ();
2343                 play_selection_button.unset_active_state ();
2344                 roll_button.unset_active_state ();
2345                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2346                 return;
2347         }
2348
2349         shuttle_box->map_transport_state ();
2350
2351         float sp = _session->transport_speed();
2352
2353         if (sp != 0.0f) {
2354
2355                 /* we're rolling */
2356
2357                 if (_session->get_play_range()) {
2358
2359                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2360                         roll_button.unset_active_state ();
2361                         auto_loop_button.unset_active_state ();
2362
2363                 } else if (_session->get_play_loop ()) {
2364
2365                         auto_loop_button.set_active (true);
2366                         play_selection_button.set_active (false);
2367                         if (Config->get_loop_is_mode()) {
2368                                 roll_button.set_active (true);
2369                         } else {
2370                                 roll_button.set_active (false);
2371                         }
2372
2373                 } else {
2374
2375                         roll_button.set_active (true);
2376                         play_selection_button.set_active (false);
2377                         auto_loop_button.set_active (false);
2378                 }
2379
2380                 if (ARDOUR_UI::config()->get_follow_edits()) {
2381                         /* light up both roll and play-selection if they are joined */
2382                         roll_button.set_active (true);
2383                         play_selection_button.set_active (true);
2384                 }
2385
2386                 stop_button.set_active (false);
2387
2388         } else {
2389
2390                 stop_button.set_active (true);
2391                 roll_button.set_active (false);
2392                 play_selection_button.set_active (false);
2393                 if (Config->get_loop_is_mode ()) {
2394                         auto_loop_button.set_active (_session->get_play_loop());
2395                 } else {
2396                         auto_loop_button.set_active (false);
2397                 }
2398                 update_disk_space ();
2399         }
2400 }
2401
2402 void
2403 ARDOUR_UI::blink_handler (bool blink_on)
2404 {
2405         transport_rec_enable_blink (blink_on);
2406         solo_blink (blink_on);
2407         sync_blink (blink_on);
2408         audition_blink (blink_on);
2409         feedback_blink (blink_on);
2410         error_blink (blink_on);
2411 }
2412
2413 void
2414 ARDOUR_UI::update_clocks ()
2415 {
2416         if (!_session) return;
2417
2418         if (editor && !editor->dragging_playhead()) {
2419                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD)); /* EMIT_SIGNAL */
2420         }
2421 }
2422
2423 void
2424 ARDOUR_UI::start_clocking ()
2425 {
2426         if (ui_config->get_super_rapid_clock_update()) {
2427                 clock_signal_connection = Timers::fps_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2428         } else {
2429                 clock_signal_connection = Timers::rapid_connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2430         }
2431 }
2432
2433 void
2434 ARDOUR_UI::stop_clocking ()
2435 {
2436         clock_signal_connection.disconnect ();
2437 }
2438
2439 bool
2440 ARDOUR_UI::save_as_progress_update (float fraction, int64_t cnt, int64_t total, Gtk::Label* label, Gtk::ProgressBar* bar)
2441 {
2442         char buf[256];
2443
2444         snprintf (buf, sizeof (buf), _("Copied %" PRId64 " of %" PRId64), cnt, total);
2445
2446         label->set_text (buf);
2447         bar->set_fraction (fraction);
2448
2449         /* process events, redraws, etc. */
2450
2451         while (gtk_events_pending()) {
2452                 gtk_main_iteration ();
2453         }
2454
2455         return true; /* continue with save-as */
2456 }
2457
2458 void
2459 ARDOUR_UI::save_session_as ()
2460 {
2461         if (!_session) {
2462                 return;
2463         }
2464
2465         if (!save_as_dialog) {
2466                 save_as_dialog = new SaveAsDialog;
2467         } else {
2468                 save_as_dialog->clear_name ();
2469         }
2470
2471         int response = save_as_dialog->run ();
2472
2473         save_as_dialog->hide ();
2474
2475         switch (response) {
2476         case Gtk::RESPONSE_OK:
2477                 break;
2478         default:
2479                 return;
2480         }
2481
2482
2483         Session::SaveAs sa;
2484
2485         sa.new_parent_folder = save_as_dialog->new_parent_folder ();
2486         sa.new_name = save_as_dialog->new_name ();
2487         sa.switch_to = save_as_dialog->switch_to();
2488         sa.copy_media = save_as_dialog->copy_media();
2489         sa.copy_external = save_as_dialog->copy_external();
2490         sa.include_media = save_as_dialog->include_media ();
2491
2492         /* Only bother with a progress dialog if we're going to copy
2493            media into the save-as target. Without that choice, this
2494            will be very fast because we're only talking about a few kB's to
2495            perhaps a couple of MB's of data.
2496         */
2497
2498         ArdourDialog progress_dialog (_("Save As"), true);
2499
2500         if (sa.include_media && sa.copy_media) {
2501
2502                 Gtk::Label label;
2503                 Gtk::ProgressBar progress_bar;
2504
2505                 progress_dialog.get_vbox()->pack_start (label);
2506                 progress_dialog.get_vbox()->pack_start (progress_bar);
2507                 label.show ();
2508                 progress_bar.show ();
2509
2510                 /* this signal will be emitted from within this, the calling thread,
2511                  * after every file is copied. It provides information on percentage
2512                  * complete (in terms of total data to copy), the number of files
2513                  * copied so far, and the total number to copy.
2514                  */
2515
2516                 ScopedConnection c;
2517
2518                 sa.Progress.connect_same_thread (c, boost::bind (&ARDOUR_UI::save_as_progress_update, this, _1, _2, _3, &label, &progress_bar));
2519
2520                 progress_dialog.show_all ();
2521                 progress_dialog.present ();
2522         }
2523
2524         if (_session->save_as (sa)) {
2525                 /* ERROR MESSAGE */
2526                 MessageDialog msg (string_compose (_("Save As failed: %1"), sa.failure_message));
2527                 msg.run ();
2528         }
2529
2530         if (!sa.include_media) {
2531                 unload_session (false);
2532                 load_session (sa.final_session_folder_name, sa.new_name);
2533         }
2534 }
2535
2536 /** Ask the user for the name of a new snapshot and then take it.
2537  */
2538
2539 void
2540 ARDOUR_UI::snapshot_session (bool switch_to_it)
2541 {
2542         ArdourPrompter prompter (true);
2543         string snapname;
2544
2545         prompter.set_name ("Prompter");
2546         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2547         if (switch_to_it) {
2548                 prompter.set_title (_("Save as..."));
2549                 prompter.set_prompt (_("New session name"));
2550         } else {
2551                 prompter.set_title (_("Take Snapshot"));
2552                 prompter.set_prompt (_("Name of new snapshot"));
2553         }
2554
2555         if (!switch_to_it) {
2556                 char timebuf[128];
2557                 time_t n;
2558                 struct tm local_time;
2559
2560                 time (&n);
2561                 localtime_r (&n, &local_time);
2562                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2563                 prompter.set_initial_text (timebuf);
2564         }
2565
2566   again:
2567         switch (prompter.run()) {
2568         case RESPONSE_ACCEPT:
2569         {
2570                 prompter.get_result (snapname);
2571
2572                 bool do_save = (snapname.length() != 0);
2573
2574                 if (do_save) {
2575                         char illegal = Session::session_name_is_legal(snapname);
2576                         if (illegal) {
2577                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2578                                                      "snapshot names may not contain a '%1' character"), illegal));
2579                                 msg.run ();
2580                                 goto again;
2581                         }
2582                 }
2583
2584                 vector<std::string> p;
2585                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2586                 vector<string> n = get_file_names_no_extension (p);
2587                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2588
2589                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2590                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2591                         confirm.get_vbox()->pack_start (m, true, true);
2592                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2593                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2594                         confirm.show_all ();
2595                         switch (confirm.run()) {
2596                         case RESPONSE_CANCEL:
2597                                 do_save = false;
2598                         }
2599                 }
2600
2601                 if (do_save) {
2602                         save_state (snapname, switch_to_it);
2603                 }
2604                 break;
2605         }
2606
2607         default:
2608                 break;
2609         }
2610 }
2611
2612 /** Ask the user for a new session name and then rename the session to it.
2613  */
2614
2615 void
2616 ARDOUR_UI::rename_session ()
2617 {
2618         if (!_session) {
2619                 return;
2620         }
2621
2622         ArdourPrompter prompter (true);
2623         string name;
2624
2625         prompter.set_name ("Prompter");
2626         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2627         prompter.set_title (_("Rename Session"));
2628         prompter.set_prompt (_("New session name"));
2629
2630   again:
2631         switch (prompter.run()) {
2632         case RESPONSE_ACCEPT:
2633         {
2634                 prompter.get_result (name);
2635
2636                 bool do_rename = (name.length() != 0);
2637
2638                 if (do_rename) {
2639                         char illegal = Session::session_name_is_legal (name);
2640
2641                         if (illegal) {
2642                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2643                                                                      "session names may not contain a '%1' character"), illegal));
2644                                 msg.run ();
2645                                 goto again;
2646                         }
2647
2648                         switch (_session->rename (name)) {
2649                         case -1: {
2650                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2651                                 msg.set_position (WIN_POS_MOUSE);
2652                                 msg.run ();
2653                                 goto again;
2654                                 break;
2655                         }
2656                         case 0:
2657                                 break;
2658                         default: {
2659                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2660                                 msg.set_position (WIN_POS_MOUSE);
2661                                 msg.run ();
2662                                 break;
2663                         }
2664                         }
2665                 }
2666
2667                 break;
2668         }
2669
2670         default:
2671                 break;
2672         }
2673 }
2674
2675 void
2676 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2677 {
2678         XMLNode* node = new XMLNode (X_("UI"));
2679
2680         WM::Manager::instance().add_state (*node);
2681
2682         node->add_child_nocopy (gui_object_state->get_state());
2683
2684         _session->add_extra_xml (*node);
2685
2686         if (export_video_dialog) {
2687                 _session->add_extra_xml (export_video_dialog->get_state());
2688         }
2689
2690         save_state_canfail (name, switch_to_it);
2691 }
2692
2693 int
2694 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2695 {
2696         if (_session) {
2697                 int ret;
2698
2699                 if (name.length() == 0) {
2700                         name = _session->snap_name();
2701                 }
2702
2703                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2704                         return ret;
2705                 }
2706         }
2707
2708         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2709         return 0;
2710 }
2711
2712 void
2713 ARDOUR_UI::primary_clock_value_changed ()
2714 {
2715         if (_session) {
2716                 _session->request_locate (primary_clock->current_time ());
2717         }
2718 }
2719
2720 void
2721 ARDOUR_UI::big_clock_value_changed ()
2722 {
2723         if (_session) {
2724                 _session->request_locate (big_clock->current_time ());
2725         }
2726 }
2727
2728 void
2729 ARDOUR_UI::secondary_clock_value_changed ()
2730 {
2731         if (_session) {
2732                 _session->request_locate (secondary_clock->current_time ());
2733         }
2734 }
2735
2736 void
2737 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2738 {
2739         if (_session == 0) {
2740                 return;
2741         }
2742
2743         if (_session->step_editing()) {
2744                 return;
2745         }
2746
2747         Session::RecordState const r = _session->record_status ();
2748         bool const h = _session->have_rec_enabled_track ();
2749
2750         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2751                 if (onoff) {
2752                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2753                 } else {
2754                         rec_button.set_active_state (Gtkmm2ext::Off);
2755                 }
2756         } else if (r == Session::Recording && h) {
2757                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2758         } else {
2759                 rec_button.unset_active_state ();
2760         }
2761 }
2762
2763 void
2764 ARDOUR_UI::save_template ()
2765 {
2766         ArdourPrompter prompter (true);
2767         string name;
2768
2769         if (!check_audioengine()) {
2770                 return;
2771         }
2772
2773         prompter.set_name (X_("Prompter"));
2774         prompter.set_title (_("Save Template"));
2775         prompter.set_prompt (_("Name for template:"));
2776         prompter.set_initial_text(_session->name() + _("-template"));
2777         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2778
2779         switch (prompter.run()) {
2780         case RESPONSE_ACCEPT:
2781                 prompter.get_result (name);
2782
2783                 if (name.length()) {
2784                         _session->save_template (name);
2785                 }
2786                 break;
2787
2788         default:
2789                 break;
2790         }
2791 }
2792
2793 void
2794 ARDOUR_UI::edit_metadata ()
2795 {
2796         SessionMetadataEditor dialog;
2797         dialog.set_session (_session);
2798         dialog.grab_focus ();
2799         dialog.run ();
2800 }
2801
2802 void
2803 ARDOUR_UI::import_metadata ()
2804 {
2805         SessionMetadataImporter dialog;
2806         dialog.set_session (_session);
2807         dialog.run ();
2808 }
2809
2810 bool
2811 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2812 {
2813         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2814
2815         MessageDialog msg (str,
2816                            false,
2817                            Gtk::MESSAGE_WARNING,
2818                            Gtk::BUTTONS_YES_NO,
2819                            true);
2820
2821
2822         msg.set_name (X_("OpenExistingDialog"));
2823         msg.set_title (_("Open Existing Session"));
2824         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2825         msg.set_position (Gtk::WIN_POS_CENTER);
2826         pop_back_splash (msg);
2827
2828         switch (msg.run()) {
2829         case RESPONSE_YES:
2830                 return true;
2831                 break;
2832         }
2833         return false;
2834 }
2835
2836 int
2837 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2838 {
2839         BusProfile bus_profile;
2840
2841         if (nsm || Profile->get_sae()) {
2842
2843                 bus_profile.master_out_channels = 2;
2844                 bus_profile.input_ac = AutoConnectPhysical;
2845                 bus_profile.output_ac = AutoConnectMaster;
2846                 bus_profile.requested_physical_in = 0; // use all available
2847                 bus_profile.requested_physical_out = 0; // use all available
2848
2849         } else {
2850
2851                 /* get settings from advanced section of NSD */
2852
2853                 if (sd.create_master_bus()) {
2854                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2855                 } else {
2856                         bus_profile.master_out_channels = 0;
2857                 }
2858
2859                 if (sd.connect_inputs()) {
2860                         bus_profile.input_ac = AutoConnectPhysical;
2861                 } else {
2862                         bus_profile.input_ac = AutoConnectOption (0);
2863                 }
2864
2865                 bus_profile.output_ac = AutoConnectOption (0);
2866
2867                 if (sd.connect_outputs ()) {
2868                         if (sd.connect_outs_to_master()) {
2869                                 bus_profile.output_ac = AutoConnectMaster;
2870                         } else if (sd.connect_outs_to_physical()) {
2871                                 bus_profile.output_ac = AutoConnectPhysical;
2872                         }
2873                 }
2874
2875                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2876                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2877         }
2878
2879         if (build_session (session_path, session_name, bus_profile)) {
2880                 return -1;
2881         }
2882
2883         return 0;
2884 }
2885
2886 void
2887 ARDOUR_UI::load_from_application_api (const std::string& path)
2888 {
2889         ARDOUR_COMMAND_LINE::session_name = path;
2890
2891         if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2892                 /* /path/to/foo => /path/to/foo, foo */
2893                 load_session (path, basename_nosuffix (path));
2894         } else {
2895                 /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2896                 load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2897         }
2898 }
2899
2900 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2901 int
2902 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2903 {
2904         string session_name;
2905         string session_path;
2906         string template_name;
2907         int ret = -1;
2908         bool likely_new = false;
2909         bool cancel_not_quit;
2910
2911         /* deal with any existing DIRTY session now, rather than later. don't
2912          * treat a non-dirty session this way, so that it stays visible
2913          * as we bring up the new session dialog.
2914          */
2915
2916         if (_session && ARDOUR_UI::instance()->video_timeline) {
2917                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2918         }
2919
2920         /* if there is already a session, relabel the button
2921            on the SessionDialog so that we don't Quit directly
2922         */
2923         cancel_not_quit = (_session != 0);
2924
2925         if (_session && _session->dirty()) {
2926                 if (unload_session (false)) {
2927                         /* unload cancelled by user */
2928                         return 0;
2929                 }
2930                 ARDOUR_COMMAND_LINE::session_name = "";
2931         }
2932
2933         if (!load_template.empty()) {
2934                 should_be_new = true;
2935                 template_name = load_template;
2936         }
2937
2938         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2939         session_path = ARDOUR_COMMAND_LINE::session_name;
2940
2941         if (!session_path.empty()) {
2942                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2943                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2944                                 /* session/snapshot file, change path to be dir */
2945                                 session_path = Glib::path_get_dirname (session_path);
2946                         }
2947                 }
2948         }
2949
2950         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2951
2952         while (ret != 0) {
2953
2954                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2955
2956                         /* if they named a specific statefile, use it, otherwise they are
2957                            just giving a session folder, and we want to use it as is
2958                            to find the session.
2959                         */
2960
2961                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2962
2963                         if (suffix != string::npos) {
2964                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2965                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2966                                 session_name = Glib::path_get_basename (session_name);
2967                         } else {
2968                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2969                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2970                         }
2971                 } else {
2972                         session_path = "";
2973                         session_name = "";
2974                         session_dialog.clear_given ();
2975                 }
2976
2977                 if (should_be_new || session_name.empty()) {
2978                         /* need the dialog to get info from user */
2979
2980                         cerr << "run dialog\n";
2981
2982                         switch (session_dialog.run()) {
2983                         case RESPONSE_ACCEPT:
2984                                 break;
2985                         default:
2986                                 if (quit_on_cancel) {
2987                                         // JE - Currently (July 2014) this section can only get reached if the
2988                                         // user quits from the main 'Session Setup' dialog (i.e. reaching this
2989                                         // point does NOT indicate an abnormal termination). Therefore, let's
2990                                         // behave gracefully (i.e. let's do some cleanup) before we call exit()
2991                                         ARDOUR::cleanup ();
2992                                         pthread_cancel_all ();
2993
2994                                         exit (1);
2995                                 } else {
2996                                         return ret;
2997                                 }
2998                         }
2999
3000                         session_dialog.hide ();
3001                 }
3002
3003                 /* if we run the startup dialog again, offer more than just "new session" */
3004
3005                 should_be_new = false;
3006
3007                 session_name = session_dialog.session_name (likely_new);
3008                 session_path = session_dialog.session_folder ();
3009
3010                 if (nsm) {
3011                         likely_new = true;
3012                 }
3013
3014                 string::size_type suffix = session_name.find (statefile_suffix);
3015
3016                 if (suffix != string::npos) {
3017                         session_name = session_name.substr (0, suffix);
3018                 }
3019
3020                 /* this shouldn't happen, but we catch it just in case it does */
3021
3022                 if (session_name.empty()) {
3023                         continue;
3024                 }
3025
3026                 if (session_dialog.use_session_template()) {
3027                         template_name = session_dialog.session_template_name();
3028                         _session_is_new = true;
3029                 }
3030
3031                 if (session_name[0] == G_DIR_SEPARATOR ||
3032 #ifdef PLATFORM_WINDOWS
3033                     (session_name.length() > 3 && session_name[1] == ':' && session_name[2] == G_DIR_SEPARATOR)
3034 #else
3035                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
3036                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)
3037 #endif
3038                          )
3039                 {
3040
3041                         /* absolute path or cwd-relative path specified for session name: infer session folder
3042                            from what was given.
3043                         */
3044
3045                         session_path = Glib::path_get_dirname (session_name);
3046                         session_name = Glib::path_get_basename (session_name);
3047
3048                 } else {
3049
3050                         session_path = session_dialog.session_folder();
3051
3052                         char illegal = Session::session_name_is_legal (session_name);
3053
3054                         if (illegal) {
3055                                 MessageDialog msg (session_dialog,
3056                                                    string_compose (_("To ensure compatibility with various systems\n"
3057                                                                      "session names may not contain a '%1' character"),
3058                                                                    illegal));
3059                                 msg.run ();
3060                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3061                                 continue;
3062                         }
3063                 }
3064
3065                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
3066
3067
3068                         if (likely_new && !nsm) {
3069
3070                                 std::string existing = Glib::build_filename (session_path, session_name);
3071
3072                                 if (!ask_about_loading_existing_session (existing)) {
3073                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3074                                         continue;
3075                                 }
3076                         }
3077
3078                         _session_is_new = false;
3079
3080                 } else {
3081
3082                         if (!likely_new) {
3083                                 pop_back_splash (session_dialog);
3084                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
3085                                 msg.run ();
3086                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3087                                 continue;
3088                         }
3089
3090                         char illegal = Session::session_name_is_legal(session_name);
3091
3092                         if (illegal) {
3093                                 pop_back_splash (session_dialog);
3094                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
3095                                                                                     "session names may not contain a '%1' character"), illegal));
3096                                 msg.run ();
3097                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
3098                                 continue;
3099                         }
3100
3101                         _session_is_new = true;
3102                 }
3103
3104                 if (likely_new && template_name.empty()) {
3105
3106                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
3107
3108                 } else {
3109
3110                         ret = load_session (session_path, session_name, template_name);
3111
3112                         if (ret == -2) {
3113                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
3114                                 exit (1);
3115                         }
3116
3117                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
3118                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
3119                                 exit (1);
3120                         }
3121
3122                         /* clear this to avoid endless attempts to load the
3123                            same session.
3124                         */
3125
3126                         ARDOUR_COMMAND_LINE::session_name = "";
3127                 }
3128         }
3129
3130         return ret;
3131 }
3132
3133 void
3134 ARDOUR_UI::close_session()
3135 {
3136         if (!check_audioengine()) {
3137                 return;
3138         }
3139
3140         if (unload_session (true)) {
3141                 return;
3142         }
3143
3144         ARDOUR_COMMAND_LINE::session_name = "";
3145
3146         if (get_session_parameters (true, false)) {
3147                 exit (1);
3148         }
3149
3150         goto_editor_window ();
3151 }
3152
3153 /** @param snap_name Snapshot name (without .ardour suffix).
3154  *  @return -2 if the load failed because we are not connected to the AudioEngine.
3155  */
3156 int
3157 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
3158 {
3159         Session *new_session;
3160         int unload_status;
3161         int retval = -1;
3162
3163         if (_session) {
3164                 unload_status = unload_session ();
3165
3166                 if (unload_status < 0) {
3167                         goto out;
3168                 } else if (unload_status > 0) {
3169                         retval = 0;
3170                         goto out;
3171                 }
3172         }
3173
3174         session_loaded = false;
3175
3176         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
3177
3178         try {
3179                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
3180         }
3181
3182         /* this one is special */
3183
3184         catch (AudioEngine::PortRegistrationFailure& err) {
3185
3186                 MessageDialog msg (err.what(),
3187                                    true,
3188                                    Gtk::MESSAGE_INFO,
3189                                    Gtk::BUTTONS_CLOSE);
3190
3191                 msg.set_title (_("Port Registration Error"));
3192                 msg.set_secondary_text (_("Click the Close button to try again."));
3193                 msg.set_position (Gtk::WIN_POS_CENTER);
3194                 pop_back_splash (msg);
3195                 msg.present ();
3196
3197                 int response = msg.run ();
3198
3199                 msg.hide ();
3200
3201                 switch (response) {
3202                 case RESPONSE_CANCEL:
3203                         exit (1);
3204                 default:
3205                         break;
3206                 }
3207                 goto out;
3208         }
3209
3210         catch (...) {
3211
3212                 MessageDialog msg (string_compose(
3213                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
3214                                            path, snap_name),
3215                                    true,
3216                                    Gtk::MESSAGE_INFO,
3217                                    BUTTONS_OK);
3218
3219                 msg.set_title (_("Loading Error"));
3220                 msg.set_position (Gtk::WIN_POS_CENTER);
3221                 pop_back_splash (msg);
3222                 msg.present ();
3223
3224                 dump_errors (cerr);
3225
3226                 (void) msg.run ();
3227                 msg.hide ();
3228
3229                 goto out;
3230         }
3231
3232         {
3233                 list<string> const u = new_session->unknown_processors ();
3234                 if (!u.empty()) {
3235                         MissingPluginDialog d (_session, u);
3236                         d.run ();
3237                 }
3238         }
3239
3240         if (!new_session->writable()) {
3241                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
3242                                    true,
3243                                    Gtk::MESSAGE_INFO,
3244                                    BUTTONS_OK);
3245
3246                 msg.set_title (_("Read-only Session"));
3247                 msg.set_position (Gtk::WIN_POS_CENTER);
3248                 pop_back_splash (msg);
3249                 msg.present ();
3250                 (void) msg.run ();
3251                 msg.hide ();
3252         }
3253
3254
3255         /* Now the session been created, add the transport controls */
3256         new_session->add_controllable(roll_controllable);
3257         new_session->add_controllable(stop_controllable);
3258         new_session->add_controllable(goto_start_controllable);
3259         new_session->add_controllable(goto_end_controllable);
3260         new_session->add_controllable(auto_loop_controllable);
3261         new_session->add_controllable(play_selection_controllable);
3262         new_session->add_controllable(rec_controllable);
3263
3264         set_session (new_session);
3265
3266         session_loaded = true;
3267
3268         goto_editor_window ();
3269
3270         if (_session) {
3271                 _session->set_clean ();
3272         }
3273
3274 #ifdef WINDOWS_VST_SUPPORT
3275         fst_stop_threading();
3276 #endif
3277
3278         flush_pending ();
3279
3280 #ifdef WINDOWS_VST_SUPPORT
3281         fst_start_threading();
3282 #endif
3283         retval = 0;
3284
3285   out:
3286         return retval;
3287 }
3288
3289 int
3290 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
3291 {
3292         Session *new_session;
3293         int x;
3294
3295         session_loaded = false;
3296         x = unload_session ();
3297
3298         if (x < 0) {
3299                 return -1;
3300         } else if (x > 0) {
3301                 return 0;
3302         }
3303
3304         _session_is_new = true;
3305
3306         try {
3307                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
3308         }
3309
3310         catch (...) {
3311
3312                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
3313                 pop_back_splash (msg);
3314                 msg.run ();
3315                 return -1;
3316         }
3317
3318         /* Give the new session the default GUI state, if such things exist */
3319
3320         XMLNode* n;
3321         n = Config->instant_xml (X_("Editor"));
3322         if (n) {
3323                 n->remove_nodes_and_delete ("Selection"); // no not apply selection to new sessions.
3324                 new_session->add_instant_xml (*n, false);
3325         }
3326         n = Config->instant_xml (X_("Mixer"));
3327         if (n) {
3328                 new_session->add_instant_xml (*n, false);
3329         }
3330
3331         /* Put the playhead at 0 and scroll fully left */
3332         n = new_session->instant_xml (X_("Editor"));
3333         if (n) {
3334                 n->add_property (X_("playhead"), X_("0"));
3335                 n->add_property (X_("left-frame"), X_("0"));
3336         }
3337
3338         set_session (new_session);
3339
3340         session_loaded = true;
3341
3342         new_session->save_state(new_session->name());
3343
3344         return 0;
3345 }
3346
3347 void
3348 ARDOUR_UI::launch_chat ()
3349 {
3350 #ifdef __APPLE__
3351         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3352 #elif defined PLATFORM_WINDOWS
3353         open_uri("http://webchat.freenode.net/?channels=ardour-windows");
3354 #else
3355         open_uri("http://webchat.freenode.net/?channels=ardour");
3356 #endif
3357 }
3358
3359 void
3360 ARDOUR_UI::launch_manual ()
3361 {
3362         PBD::open_uri (Config->get_tutorial_manual_url());
3363 }
3364
3365 void
3366 ARDOUR_UI::launch_reference ()
3367 {
3368         PBD::open_uri (Config->get_reference_manual_url());
3369 }
3370
3371 void
3372 ARDOUR_UI::launch_tracker ()
3373 {
3374         PBD::open_uri ("http://tracker.ardour.org/bug_report_page.php");
3375 }
3376
3377 void
3378 ARDOUR_UI::launch_subscribe ()
3379 {
3380         PBD::open_uri ("https://community.ardour.org/s/subscribe");
3381 }
3382
3383 void
3384 ARDOUR_UI::launch_cheat_sheet ()
3385 {
3386 #ifdef __APPLE__
3387         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheat_sheet_osx.pdf");
3388 #else
3389         PBD::open_uri ("http://manual.ardour.org/files/a3_mnemonic_cheatsheet.pdf");
3390 #endif
3391 }
3392
3393 void
3394 ARDOUR_UI::launch_website ()
3395 {
3396         PBD::open_uri ("http://ardour.org");
3397 }
3398
3399 void
3400 ARDOUR_UI::launch_website_dev ()
3401 {
3402         PBD::open_uri ("http://ardour.org/development.html");
3403 }
3404
3405 void
3406 ARDOUR_UI::launch_forums ()
3407 {
3408         PBD::open_uri ("https://community.ardour.org/forums");
3409 }
3410
3411 void
3412 ARDOUR_UI::launch_howto_report ()
3413 {
3414         PBD::open_uri ("http://ardour.org/reporting_bugs");
3415 }
3416
3417 void
3418 ARDOUR_UI::loading_message (const std::string& msg)
3419 {
3420         if (ARDOUR_COMMAND_LINE::no_splash) {
3421                 return;
3422         }
3423
3424         if (!splash) {
3425                 show_splash ();
3426         }
3427
3428         splash->message (msg);
3429 }
3430
3431 void
3432 ARDOUR_UI::show_splash ()
3433 {
3434         if (splash == 0) {
3435                 try {
3436                         splash = new Splash;
3437                 } catch (...) {
3438                         return;
3439                 }
3440         }
3441
3442         splash->display ();
3443 }
3444
3445 void
3446 ARDOUR_UI::hide_splash ()
3447 {
3448         delete splash;
3449         splash = 0;
3450 }
3451
3452 void
3453 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3454 {
3455         size_t removed;
3456
3457         removed = rep.paths.size();
3458
3459         if (removed == 0) {
3460                 MessageDialog msgd (*editor,
3461                                     _("No files were ready for clean-up"),
3462                                     true,
3463                                     Gtk::MESSAGE_INFO,
3464                                     Gtk::BUTTONS_OK);
3465                 msgd.set_title (_("Clean-up"));
3466                 msgd.set_secondary_text (_("If this seems suprising, \n\
3467 check for any existing snapshots.\n\
3468 These may still include regions that\n\
3469 require some unused files to continue to exist."));
3470
3471                 msgd.run ();
3472                 return;
3473         }
3474
3475         ArdourDialog results (_("Clean-up"), true, false);
3476
3477         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3478             CleanupResultsModelColumns() {
3479                     add (visible_name);
3480                     add (fullpath);
3481             }
3482             Gtk::TreeModelColumn<std::string> visible_name;
3483             Gtk::TreeModelColumn<std::string> fullpath;
3484         };
3485
3486
3487         CleanupResultsModelColumns results_columns;
3488         Glib::RefPtr<Gtk::ListStore> results_model;
3489         Gtk::TreeView results_display;
3490
3491         results_model = ListStore::create (results_columns);
3492         results_display.set_model (results_model);
3493         results_display.append_column (list_title, results_columns.visible_name);
3494
3495         results_display.set_name ("CleanupResultsList");
3496         results_display.set_headers_visible (true);
3497         results_display.set_headers_clickable (false);
3498         results_display.set_reorderable (false);
3499
3500         Gtk::ScrolledWindow list_scroller;
3501         Gtk::Label txt;
3502         Gtk::VBox dvbox;
3503         Gtk::HBox dhbox;  // the hbox for the image and text
3504         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3505         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3506
3507         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3508
3509         const string dead_directory = _session->session_directory().dead_path();
3510
3511         /* subst:
3512            %1 - number of files removed
3513            %2 - location of "dead"
3514            %3 - size of files affected
3515            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3516         */
3517
3518         const char* bprefix;
3519         double space_adjusted = 0;
3520
3521         if (rep.space < 1000) {
3522                 bprefix = X_("");
3523                 space_adjusted = rep.space;
3524         } else if (rep.space < 1000000) {
3525                 bprefix = _("kilo");
3526                 space_adjusted = floorf((float)rep.space / 1000.0);
3527         } else if (rep.space < 1000000 * 1000) {
3528                 bprefix = _("mega");
3529                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3530         } else {
3531                 bprefix = _("giga");
3532                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3533         }
3534
3535         if (msg_delete) {
3536                 txt.set_markup (string_compose (P_("\
3537 The following file was deleted from %2,\n\
3538 releasing %3 %4bytes of disk space", "\
3539 The following %1 files were deleted from %2,\n\
3540 releasing %3 %4bytes of disk space", removed),
3541                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3542         } else {
3543                 txt.set_markup (string_compose (P_("\
3544 The following file was not in use and \n\
3545 has been moved to: %2\n\n\
3546 After a restart of %5\n\n\
3547 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3548 will release an additional %3 %4bytes of disk space.\n", "\
3549 The following %1 files were not in use and \n\
3550 have been moved to: %2\n\n\
3551 After a restart of %5\n\n\
3552 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3553 will release an additional %3 %4bytes of disk space.\n", removed),
3554                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3555         }
3556
3557         dhbox.pack_start (*dimage, true, false, 5);
3558         dhbox.pack_start (txt, true, false, 5);
3559
3560         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3561                 TreeModel::Row row = *(results_model->append());
3562                 row[results_columns.visible_name] = *i;
3563                 row[results_columns.fullpath] = *i;
3564         }
3565
3566         list_scroller.add (results_display);
3567         list_scroller.set_size_request (-1, 150);
3568         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3569
3570         dvbox.pack_start (dhbox, true, false, 5);
3571         dvbox.pack_start (list_scroller, true, false, 5);
3572         ddhbox.pack_start (dvbox, true, false, 5);
3573
3574         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3575         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3576         results.set_default_response (RESPONSE_CLOSE);
3577         results.set_position (Gtk::WIN_POS_MOUSE);
3578
3579         results_display.show();
3580         list_scroller.show();
3581         txt.show();
3582         dvbox.show();
3583         dhbox.show();
3584         ddhbox.show();
3585         dimage->show();
3586
3587         //results.get_vbox()->show();
3588         results.set_resizable (false);
3589
3590         results.run ();
3591
3592 }
3593
3594 void
3595 ARDOUR_UI::cleanup ()
3596 {
3597         if (_session == 0) {
3598                 /* shouldn't happen: menu item is insensitive */
3599                 return;
3600         }
3601
3602
3603         MessageDialog checker (_("Are you sure you want to clean-up?"),
3604                                 true,
3605                                 Gtk::MESSAGE_QUESTION,
3606                                 Gtk::BUTTONS_NONE);
3607
3608         checker.set_title (_("Clean-up"));
3609
3610         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3611 ALL undo/redo information will be lost if you clean-up.\n\
3612 Clean-up will move all unused files to a \"dead\" location."));
3613
3614         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3615         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3616         checker.set_default_response (RESPONSE_CANCEL);
3617
3618         checker.set_name (_("CleanupDialog"));
3619         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3620         checker.set_position (Gtk::WIN_POS_MOUSE);
3621
3622         switch (checker.run()) {
3623         case RESPONSE_ACCEPT:
3624                 break;
3625         default:
3626                 return;
3627         }
3628
3629         ARDOUR::CleanupReport rep;
3630
3631         editor->prepare_for_cleanup ();
3632
3633         /* do not allow flush until a session is reloaded */
3634
3635         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3636         if (act) {
3637                 act->set_sensitive (false);
3638         }
3639
3640         if (_session->cleanup_sources (rep)) {
3641                 editor->finish_cleanup ();
3642                 return;
3643         }
3644
3645         editor->finish_cleanup ();
3646
3647         checker.hide();
3648         display_cleanup_results (rep, _("Cleaned Files"), false);
3649 }
3650
3651 void
3652 ARDOUR_UI::flush_trash ()
3653 {
3654         if (_session == 0) {
3655                 /* shouldn't happen: menu item is insensitive */
3656                 return;
3657         }
3658
3659         ARDOUR::CleanupReport rep;
3660
3661         if (_session->cleanup_trash_sources (rep)) {
3662                 return;
3663         }
3664
3665         display_cleanup_results (rep, _("deleted file"), true);
3666 }
3667
3668 void
3669 ARDOUR_UI::setup_order_hint (AddRouteDialog::InsertAt place)
3670 {
3671         uint32_t order_hint = UINT32_MAX;
3672
3673         if (editor->get_selection().tracks.empty()) {
3674                 return;
3675         }
3676
3677         /*
3678           we want the new routes to have their order keys set starting from
3679           the highest order key in the selection + 1 (if available).
3680         */
3681
3682         if (place == AddRouteDialog::AfterSelection) {
3683                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.back());
3684                 if (rtav) {
3685                         order_hint = rtav->route()->order_key();
3686                         order_hint++;
3687                 }
3688         } else if (place == AddRouteDialog::BeforeSelection) {
3689                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView*> (editor->get_selection().tracks.front());
3690                 if (rtav) {
3691                         order_hint = rtav->route()->order_key();
3692                 }
3693         } else if (place == AddRouteDialog::First) {
3694                 order_hint = 0;
3695         } else {
3696                 /* leave order_hint at UINT32_MAX */
3697         }
3698
3699         if (order_hint == UINT32_MAX) {
3700                 /** AddRouteDialog::Last or selection with first/last not a RouteTimeAxisView
3701                  * not setting an order hint will place new routes last.
3702                  */
3703                 return;
3704         }
3705
3706         _session->set_order_hint (order_hint);
3707
3708         /* create a gap in the existing route order keys to accomodate new routes.*/
3709         boost::shared_ptr <RouteList> rd = _session->get_routes();
3710         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3711                 boost::shared_ptr<Route> rt (*ri);
3712
3713                 if (rt->is_monitor()) {
3714                         continue;
3715                 }
3716
3717                 if (rt->order_key () >= order_hint) {
3718                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3719                 }
3720         }
3721 }
3722
3723 void
3724 ARDOUR_UI::add_route (Gtk::Window* /* ignored */)
3725 {
3726         int count;
3727
3728         if (!_session) {
3729                 return;
3730         }
3731
3732         if (add_route_dialog->is_visible()) {
3733                 /* we're already doing this */
3734                 return;
3735         }
3736
3737         ResponseType r = (ResponseType) add_route_dialog->run ();
3738
3739         add_route_dialog->hide();
3740
3741         switch (r) {
3742                 case RESPONSE_ACCEPT:
3743                         break;
3744                 default:
3745                         return;
3746                         break;
3747         }
3748
3749         if ((count = add_route_dialog->count()) <= 0) {
3750                 return;
3751         }
3752
3753         setup_order_hint(add_route_dialog->insert_at());
3754
3755         string template_path = add_route_dialog->track_template();
3756         DisplaySuspender ds;
3757
3758         if (!template_path.empty()) {
3759                 if (add_route_dialog->name_template_is_default())  {
3760                         _session->new_route_from_template (count, template_path, string());
3761                 } else {
3762                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3763                 }
3764                 return;
3765         }
3766
3767         ChanCount input_chan= add_route_dialog->channels ();
3768         ChanCount output_chan;
3769         string name_template = add_route_dialog->name_template ();
3770         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3771         RouteGroup* route_group = add_route_dialog->route_group ();
3772         AutoConnectOption oac = Config->get_output_auto_connect();
3773
3774         if (oac & AutoConnectMaster) {
3775                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3776                 output_chan.set (DataType::MIDI, 0);
3777         } else {
3778                 output_chan = input_chan;
3779         }
3780
3781         /* XXX do something with name template */
3782
3783         switch (add_route_dialog->type_wanted()) {
3784         case AddRouteDialog::AudioTrack:
3785                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3786                 break;
3787         case AddRouteDialog::MidiTrack:
3788                 session_add_midi_track (route_group, count, name_template, instrument);
3789                 break;
3790         case AddRouteDialog::MixedTrack:
3791                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3792                 break;
3793         case AddRouteDialog::AudioBus:
3794                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3795                 break;
3796         }
3797 }
3798
3799 void
3800 ARDOUR_UI::stop_video_server (bool ask_confirm)
3801 {
3802         if (!video_server_process && ask_confirm) {
3803                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3804         }
3805         if (video_server_process) {
3806                 if(ask_confirm) {
3807                         ArdourDialog confirm (_("Stop Video-Server"), true);
3808                         Label m (_("Do you really want to stop the Video Server?"));
3809                         confirm.get_vbox()->pack_start (m, true, true);
3810                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3811                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3812                         confirm.show_all ();
3813                         if (confirm.run() == RESPONSE_CANCEL) {
3814                                 return;
3815                         }
3816                 }
3817                 delete video_server_process;
3818                 video_server_process =0;
3819         }
3820 }
3821
3822 void
3823 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3824 {
3825   ARDOUR_UI::start_video_server( float_window, true);
3826 }
3827
3828 bool
3829 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3830 {
3831         if (!_session) {
3832                 return false;
3833         }
3834         if (popup_msg) {
3835                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3836                         if (video_server_process) {
3837                                 popup_error(_("The Video Server is already started."));
3838                         } else {
3839                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3840                         }
3841                 }
3842         }
3843
3844         int firsttime = 0;
3845         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3846                 if (firsttime++) {
3847                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3848                 }
3849                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3850                 if (float_window) {
3851                         video_server_dialog->set_transient_for (*float_window);
3852                 }
3853
3854                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3855                         video_server_dialog->hide();
3856                 } else {
3857                         ResponseType r = (ResponseType) video_server_dialog->run ();
3858                         video_server_dialog->hide();
3859                         if (r != RESPONSE_ACCEPT) { return false; }
3860                         if (video_server_dialog->show_again()) {
3861                                 Config->set_show_video_server_dialog(false);
3862                         }
3863                 }
3864
3865                 std::string icsd_exec = video_server_dialog->get_exec_path();
3866                 std::string icsd_docroot = video_server_dialog->get_docroot();
3867                 if (icsd_docroot.empty()) {
3868 #ifndef PLATFORM_WINDOWS
3869                         icsd_docroot = X_("/");
3870 #else
3871                         icsd_docroot = X_("C:\\");
3872 #endif
3873                 }
3874
3875                 GStatBuf sb;
3876                 if (g_lstat (icsd_docroot.c_str(), &sb) != 0 || !S_ISDIR(sb.st_mode)) {
3877                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3878                         continue;
3879                 }
3880 #ifndef PLATFORM_WINDOWS
3881                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3882                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3883                         warning << _("Given Video Server is not an executable file.") << endmsg;
3884                         continue;
3885                 }
3886 #else
3887                 if ( (g_lstat (icsd_exec.c_str(), &sb) != 0)
3888                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3889                         warning << _("Given Video Server is not an executable file.") << endmsg;
3890                         continue;
3891                 }
3892 #endif
3893
3894                 char **argp;
3895                 argp=(char**) calloc(9,sizeof(char*));
3896                 argp[0] = strdup(icsd_exec.c_str());
3897                 argp[1] = strdup("-P");
3898                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3899                 argp[3] = strdup("-p");
3900                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3901                 argp[5] = strdup("-C");
3902                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3903                 argp[7] = strdup(icsd_docroot.c_str());
3904                 argp[8] = 0;
3905                 stop_video_server();
3906
3907                 if (icsd_docroot == X_("/") || icsd_docroot == X_("C:\\")) {
3908                         Config->set_video_advanced_setup(false);
3909                 } else {
3910                         std::ostringstream osstream;
3911                         osstream << "http://127.0.0.1:" << video_server_dialog->get_listenport() << "/";
3912                         Config->set_video_server_url(osstream.str());
3913                         Config->set_video_server_docroot(icsd_docroot);
3914                         Config->set_video_advanced_setup(true);
3915                 }
3916
3917                 if (video_server_process) {
3918                         delete video_server_process;
3919                 }
3920
3921                 video_server_process = new ARDOUR::SystemExec(icsd_exec, argp);
3922                 if (video_server_process->start()) {
3923                         warning << _("Cannot launch the video-server") << endmsg;
3924                         continue;
3925                 }
3926                 int timeout = 120; // 6 sec
3927                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3928                         Glib::usleep (50000);
3929                         gui_idle_handler();
3930                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3931                 }
3932                 if (timeout <= 0) {
3933                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3934                 } else {
3935                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3936                                 delete video_server_process;
3937                                 video_server_process = 0;
3938                         }
3939                 }
3940         }
3941         return true;
3942 }
3943
3944 void
3945 ARDOUR_UI::add_video (Gtk::Window* float_window)
3946 {
3947         if (!_session) {
3948                 return;
3949         }
3950
3951         if (!start_video_server(float_window, false)) {
3952                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Preferences.") << endmsg;
3953                 return;
3954         }
3955
3956         if (float_window) {
3957                 add_video_dialog->set_transient_for (*float_window);
3958         }
3959
3960         if (add_video_dialog->is_visible()) {
3961                 /* we're already doing this */
3962                 return;
3963         }
3964
3965         ResponseType r = (ResponseType) add_video_dialog->run ();
3966         add_video_dialog->hide();
3967         if (r != RESPONSE_ACCEPT) { return; }
3968
3969         bool local_file, orig_local_file;
3970         std::string path = add_video_dialog->file_name(local_file);
3971
3972         std::string orig_path = path;
3973         orig_local_file = local_file;
3974
3975         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3976
3977         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3978                 warning << string_compose(_("could not open %1"), path) << endmsg;
3979                 return;
3980         }
3981         if (!local_file && path.length() == 0) {
3982                 warning << _("no video-file selected") << endmsg;
3983                 return;
3984         }
3985
3986         switch (add_video_dialog->import_option()) {
3987                 case VTL_IMPORT_TRANSCODE:
3988                         {
3989                                 TranscodeVideoDialog *transcode_video_dialog;
3990                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3991                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3992                                 transcode_video_dialog->hide();
3993                                 if (r != RESPONSE_ACCEPT) {
3994                                         delete transcode_video_dialog;
3995                                         return;
3996                                 }
3997                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3998                                         editor->embed_audio_from_video(
3999                                                         transcode_video_dialog->get_audiofile(),
4000                                                         video_timeline->get_offset(),
4001                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
4002                                                         );
4003                                 }
4004                                 switch (transcode_video_dialog->import_option()) {
4005                                         case VTL_IMPORT_TRANSCODED:
4006                                                 path = transcode_video_dialog->get_filename();
4007                                                 local_file = true;
4008                                                 break;
4009                                         case VTL_IMPORT_REFERENCE:
4010                                                 break;
4011                                         default:
4012                                                 delete transcode_video_dialog;
4013                                                 return;
4014                                 }
4015                                 delete transcode_video_dialog;
4016                         }
4017                         break;
4018                 default:
4019                 case VTL_IMPORT_NONE:
4020                         break;
4021         }
4022
4023         /* strip _session->session_directory().video_path() from video file if possible */
4024         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
4025                  path=path.substr(_session->session_directory().video_path().size());
4026                  if (path.at(0) == G_DIR_SEPARATOR) {
4027                          path=path.substr(1);
4028                  }
4029         }
4030
4031         video_timeline->set_update_session_fps(auto_set_session_fps);
4032         if (video_timeline->video_file_info(path, local_file)) {
4033                 XMLNode* node = new XMLNode(X_("Videotimeline"));
4034                 node->add_property (X_("Filename"), path);
4035                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
4036                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
4037                 if (orig_local_file) {
4038                         node->add_property (X_("OriginalVideoFile"), orig_path);
4039                 } else {
4040                         node->remove_property (X_("OriginalVideoFile"));
4041                 }
4042                 _session->add_extra_xml (*node);
4043                 _session->set_dirty ();
4044
4045                 _session->maybe_update_session_range(
4046                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
4047                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
4048
4049
4050                 if (add_video_dialog->launch_xjadeo() && local_file) {
4051                         editor->set_xjadeo_sensitive(true);
4052                         editor->toggle_xjadeo_proc(1);
4053                 } else {
4054                         editor->toggle_xjadeo_proc(0);
4055                 }
4056                 editor->toggle_ruler_video(true);
4057         }
4058 }
4059
4060 void
4061 ARDOUR_UI::remove_video ()
4062 {
4063         video_timeline->close_session();
4064         editor->toggle_ruler_video(false);
4065
4066         /* reset state */
4067         video_timeline->set_offset_locked(false);
4068         video_timeline->set_offset(0);
4069
4070         /* delete session state */
4071         XMLNode* node = new XMLNode(X_("Videotimeline"));
4072         _session->add_extra_xml(*node);
4073         node = new XMLNode(X_("Videomonitor"));
4074         _session->add_extra_xml(*node);
4075         node = new XMLNode(X_("Videoexport"));
4076         _session->add_extra_xml(*node);
4077         stop_video_server();
4078 }
4079
4080 void
4081 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
4082 {
4083         if (localcacheonly) {
4084                 video_timeline->vmon_update();
4085         } else {
4086                 video_timeline->flush_cache();
4087         }
4088         editor->queue_visual_videotimeline_update();
4089 }
4090
4091 void
4092 ARDOUR_UI::export_video (bool range)
4093 {
4094         if (ARDOUR::Config->get_show_video_export_info()) {
4095                 ExportVideoInfobox infobox (_session);
4096                 Gtk::ResponseType rv = (Gtk::ResponseType) infobox.run();
4097                 if (infobox.show_again()) {
4098                         ARDOUR::Config->set_show_video_export_info(false);
4099                 }
4100                 switch (rv) {
4101                         case GTK_RESPONSE_YES:
4102                                 PBD::open_uri (ARDOUR::Config->get_reference_manual_url() + "/video-timeline/operations/#export");
4103                                 break;
4104                         default:
4105                                 break;
4106                 }
4107         }
4108         export_video_dialog->set_session (_session);
4109         export_video_dialog->apply_state(editor->get_selection().time, range);
4110         export_video_dialog->run ();
4111         export_video_dialog->hide ();
4112 }
4113
4114 XMLNode*
4115 ARDOUR_UI::mixer_settings () const
4116 {
4117         XMLNode* node = 0;
4118
4119         if (_session) {
4120                 node = _session->instant_xml(X_("Mixer"));
4121         } else {
4122                 node = Config->instant_xml(X_("Mixer"));
4123         }
4124
4125         if (!node) {
4126                 node = new XMLNode (X_("Mixer"));
4127         }
4128
4129         return node;
4130 }
4131
4132 XMLNode*
4133 ARDOUR_UI::editor_settings () const
4134 {
4135         XMLNode* node = 0;
4136
4137         if (_session) {
4138                 node = _session->instant_xml(X_("Editor"));
4139         } else {
4140                 node = Config->instant_xml(X_("Editor"));
4141         }
4142
4143         if (!node) {
4144                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
4145                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
4146                 }
4147         }
4148
4149         if (!node) {
4150                 node = new XMLNode (X_("Editor"));
4151         }
4152
4153         return node;
4154 }
4155
4156 XMLNode*
4157 ARDOUR_UI::keyboard_settings () const
4158 {
4159         XMLNode* node = 0;
4160
4161         node = Config->extra_xml(X_("Keyboard"));
4162
4163         if (!node) {
4164                 node = new XMLNode (X_("Keyboard"));
4165         }
4166
4167         return node;
4168 }
4169
4170 void
4171 ARDOUR_UI::create_xrun_marker (framepos_t where)
4172 {
4173         if (_session) {
4174                 Location *location = new Location (*_session, where, where, _("xrun"), Location::IsMark);
4175                 _session->locations()->add (location);
4176         }
4177 }
4178
4179 void
4180 ARDOUR_UI::halt_on_xrun_message ()
4181 {
4182         cerr << "HALT on xrun\n";
4183         MessageDialog msg (*editor, _("Recording was stopped because your system could not keep up."));
4184         msg.run ();
4185 }
4186
4187 void
4188 ARDOUR_UI::xrun_handler (framepos_t where)
4189 {
4190         if (!_session) {
4191                 return;
4192         }
4193
4194         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
4195
4196         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
4197                 create_xrun_marker(where);
4198         }
4199
4200         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
4201                 halt_on_xrun_message ();
4202         }
4203 }
4204
4205 void
4206 ARDOUR_UI::disk_overrun_handler ()
4207 {
4208         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
4209
4210         if (!have_disk_speed_dialog_displayed) {
4211                 have_disk_speed_dialog_displayed = true;
4212                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
4213 The disk system on your computer\n\
4214 was not able to keep up with %1.\n\
4215 \n\
4216 Specifically, it failed to write data to disk\n\
4217 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
4218                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4219                 msg->show ();
4220         }
4221 }
4222
4223
4224 /* TODO: this is getting elaborate enough to warrant being split into a dedicated class */
4225 static MessageDialog *scan_dlg = NULL;
4226 static ProgressBar   *scan_pbar = NULL;
4227 static HBox          *scan_tbox = NULL;
4228 static Gtk::Button   *scan_timeout_button;
4229
4230 void
4231 ARDOUR_UI::cancel_plugin_scan ()
4232 {
4233         PluginManager::instance().cancel_plugin_scan();
4234 }
4235
4236 void
4237 ARDOUR_UI::cancel_plugin_timeout ()
4238 {
4239         PluginManager::instance().cancel_plugin_timeout();
4240         scan_timeout_button->set_sensitive (false);
4241 }
4242
4243 void
4244 ARDOUR_UI::plugin_scan_timeout (int timeout)
4245 {
4246         if (!scan_dlg || !scan_dlg->is_mapped() || !scan_pbar) {
4247                 return;
4248         }
4249         if (timeout > 0) {
4250                 scan_pbar->set_sensitive (false);
4251                 scan_timeout_button->set_sensitive (true);
4252                 scan_pbar->set_fraction ((float) timeout / (float) Config->get_vst_scan_timeout());
4253                 scan_tbox->show();
4254         } else {
4255                 scan_pbar->set_sensitive (false);
4256                 scan_timeout_button->set_sensitive (false);
4257         }
4258         gui_idle_handler();
4259 }
4260
4261 void
4262 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
4263 {
4264         if (type == X_("closeme") && !(scan_dlg && scan_dlg->is_mapped())) {
4265                 return;
4266         }
4267
4268         const bool cancelled = PluginManager::instance().cancelled();
4269         if (type != X_("closeme") && (!ui_config->get_show_plugin_scan_window()) && !_initial_verbose_plugin_scan) {
4270                 if (cancelled && scan_dlg->is_mapped()) {
4271                         scan_dlg->hide();
4272                         gui_idle_handler();
4273                         return;
4274                 }
4275                 if (cancelled || !can_cancel) {
4276                         return;
4277                 }
4278         }
4279
4280         static Gtk::Button *cancel_button;
4281         if (!scan_dlg) {
4282                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE); // TODO manage
4283                 VBox* vbox = scan_dlg->get_vbox();
4284                 vbox->set_size_request(400,-1);
4285                 scan_dlg->set_title (_("Scanning for plugins"));
4286
4287                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
4288                 cancel_button->set_name ("EditorGTKButton");
4289                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
4290                 cancel_button->show();
4291
4292                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
4293
4294                 scan_tbox = manage( new HBox() );
4295
4296                 scan_timeout_button = manage(new Gtk::Button(_("Stop Timeout")));
4297                 scan_timeout_button->set_name ("EditorGTKButton");
4298                 scan_timeout_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_timeout) );
4299                 scan_timeout_button->show();
4300
4301                 scan_pbar = manage(new ProgressBar());
4302                 scan_pbar->set_orientation(Gtk::PROGRESS_RIGHT_TO_LEFT);
4303                 scan_pbar->set_text(_("Scan Timeout"));
4304                 scan_pbar->show();
4305
4306                 scan_tbox->pack_start (*scan_pbar, PACK_EXPAND_WIDGET, 4);
4307                 scan_tbox->pack_start (*scan_timeout_button, PACK_SHRINK, 4);
4308
4309                 scan_dlg->get_vbox()->pack_start (*scan_tbox, PACK_SHRINK, 4);
4310         }
4311
4312         assert(scan_dlg && scan_tbox && cancel_button);
4313
4314         if (type == X_("closeme")) {
4315                 scan_tbox->hide();
4316                 scan_dlg->hide();
4317         } else {
4318                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
4319                 scan_dlg->show();
4320         }
4321         if (!can_cancel || !cancelled) {
4322                 scan_timeout_button->set_sensitive(false);
4323         }
4324         cancel_button->set_sensitive(can_cancel && !cancelled);
4325
4326         gui_idle_handler();
4327 }
4328
4329 void
4330 ARDOUR_UI::gui_idle_handler ()
4331 {
4332         int timeout = 30;
4333         /* due to idle calls, gtk_events_pending() may always return true */
4334         while (gtk_events_pending() && --timeout) {
4335                 gtk_main_iteration ();
4336         }
4337 }
4338
4339 void
4340 ARDOUR_UI::disk_underrun_handler ()
4341 {
4342         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
4343
4344         if (!have_disk_speed_dialog_displayed) {
4345                 have_disk_speed_dialog_displayed = true;
4346                 MessageDialog* msg = new MessageDialog (
4347                         *editor, string_compose (_("The disk system on your computer\n\
4348 was not able to keep up with %1.\n\
4349 \n\
4350 Specifically, it failed to read data from disk\n\
4351 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
4352                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
4353                 msg->show ();
4354         }
4355 }
4356
4357 void
4358 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
4359 {
4360         have_disk_speed_dialog_displayed = false;
4361         delete msg;
4362 }
4363
4364 void
4365 ARDOUR_UI::session_dialog (std::string msg)
4366 {
4367         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
4368
4369         MessageDialog* d;
4370
4371         if (editor) {
4372                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4373         } else {
4374                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
4375         }
4376
4377         d->show_all ();
4378         d->run ();
4379         delete d;
4380 }
4381
4382 int
4383 ARDOUR_UI::pending_state_dialog ()
4384 {
4385         HBox* hbox = manage (new HBox());
4386         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
4387         ArdourDialog dialog (_("Crash Recovery"), true);
4388         Label  message (string_compose (_("\
4389 This session appears to have been in the\n\
4390 middle of recording when %1 or\n\
4391 the computer was shutdown.\n\
4392 \n\
4393 %1 can recover any captured audio for\n\
4394 you, or it can ignore it. Please decide\n\
4395 what you would like to do.\n"), PROGRAM_NAME));
4396         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4397         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4398         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4399         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4400         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
4401         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
4402         dialog.set_default_response (RESPONSE_ACCEPT);
4403         dialog.set_position (WIN_POS_CENTER);
4404         message.show();
4405         image->show();
4406         hbox->show();
4407
4408         switch (dialog.run ()) {
4409         case RESPONSE_ACCEPT:
4410                 return 1;
4411         default:
4412                 return 0;
4413         }
4414 }
4415
4416 int
4417 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
4418 {
4419         HBox* hbox = new HBox();
4420         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
4421         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
4422         Label  message (string_compose (_("\
4423 This session was created with a sample rate of %1 Hz, but\n\
4424 %2 is currently running at %3 Hz.  If you load this session,\n\
4425 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
4426
4427         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
4428         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
4429         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
4430         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
4431         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
4432         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
4433         dialog.set_default_response (RESPONSE_ACCEPT);
4434         dialog.set_position (WIN_POS_CENTER);
4435         message.show();
4436         image->show();
4437         hbox->show();
4438
4439         switch (dialog.run()) {
4440         case RESPONSE_ACCEPT:
4441                 return 0;
4442         default:
4443                 break;
4444         }
4445
4446         return 1;
4447 }
4448
4449 int
4450 ARDOUR_UI::disconnect_from_engine ()
4451 {
4452         /* drop connection to AudioEngine::Halted so that we don't act
4453          *  as if the engine unexpectedly shut down
4454          */
4455
4456         halt_connection.disconnect ();
4457
4458         if (AudioEngine::instance()->stop ()) {
4459                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
4460                 msg.run ();
4461                 return -1;
4462         } else {
4463                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
4464         }
4465
4466         update_sample_rate (0);
4467         return 0;
4468 }
4469
4470 int
4471 ARDOUR_UI::reconnect_to_engine ()
4472 {
4473         if (AudioEngine::instance()->start ()) {
4474                 // TODO somehow make this the topmost window (above any dialogs currently visible)
4475                 if (editor) {
4476                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
4477                         msg.run ();
4478                 } else {
4479                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
4480                         msg.run ();
4481                 }
4482                 return -1;
4483         }
4484
4485         update_sample_rate (0);
4486         return 0;
4487 }
4488
4489 void
4490 ARDOUR_UI::use_config ()
4491 {
4492         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4493         if (node) {
4494                 set_transport_controllable_state (*node);
4495         }
4496 }
4497
4498 void
4499 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4500 {
4501         if (ui_config->get_primary_clock_delta_edit_cursor()) {
4502                 primary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4503         } else {
4504                 primary_clock->set (pos);
4505         }
4506
4507         if (ui_config->get_secondary_clock_delta_edit_cursor()) {
4508                 secondary_clock->set (pos, false, editor->get_preferred_edit_position (EDIT_IGNORE_PHEAD));
4509         } else {
4510                 secondary_clock->set (pos);
4511         }
4512
4513         if (big_clock_window) {
4514                 big_clock->set (pos);
4515         }
4516         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4517 }
4518
4519 void
4520 ARDOUR_UI::step_edit_status_change (bool yn)
4521 {
4522         // XXX should really store pre-step edit status of things
4523         // we make insensitive
4524
4525         if (yn) {
4526                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4527                 rec_button.set_sensitive (false);
4528         } else {
4529                 rec_button.unset_active_state ();;
4530                 rec_button.set_sensitive (true);
4531         }
4532 }
4533
4534 void
4535 ARDOUR_UI::record_state_changed ()
4536 {
4537         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4538
4539         if (!_session || !big_clock_window) {
4540                 /* why bother - the clock isn't visible */
4541                 return;
4542         }
4543
4544         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4545                 big_clock->set_active (true);
4546         } else {
4547                 big_clock->set_active (false);
4548         }
4549 }
4550
4551 bool
4552 ARDOUR_UI::first_idle ()
4553 {
4554         if (_session) {
4555                 _session->allow_auto_play (true);
4556         }
4557
4558         if (editor) {
4559                 editor->first_idle();
4560         }
4561
4562         Keyboard::set_can_save_keybindings (true);
4563         return false;
4564 }
4565
4566 void
4567 ARDOUR_UI::store_clock_modes ()
4568 {
4569         XMLNode* node = new XMLNode(X_("ClockModes"));
4570
4571         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4572                 XMLNode* child = new XMLNode (X_("Clock"));
4573
4574                 child->add_property (X_("name"), (*x)->name());
4575                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4576                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4577
4578                 node->add_child_nocopy (*child);
4579         }
4580
4581         _session->add_extra_xml (*node);
4582         _session->set_dirty ();
4583 }
4584
4585 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4586         : Controllable (name), ui (u), type(tp)
4587 {
4588
4589 }
4590
4591 void
4592 ARDOUR_UI::TransportControllable::set_value (double val)
4593 {
4594         if (val < 0.5) {
4595                 /* do nothing: these are radio-style actions */
4596                 return;
4597         }
4598
4599         const char *action = 0;
4600
4601         switch (type) {
4602         case Roll:
4603                 action = X_("Roll");
4604                 break;
4605         case Stop:
4606                 action = X_("Stop");
4607                 break;
4608         case GotoStart:
4609                 action = X_("GotoStart");
4610                 break;
4611         case GotoEnd:
4612                 action = X_("GotoEnd");
4613                 break;
4614         case AutoLoop:
4615                 action = X_("Loop");
4616                 break;
4617         case PlaySelection:
4618                 action = X_("PlaySelection");
4619                 break;
4620         case RecordEnable:
4621                 action = X_("Record");
4622                 break;
4623         default:
4624                 break;
4625         }
4626
4627         if (action == 0) {
4628                 return;
4629         }
4630
4631         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4632
4633         if (act) {
4634                 act->activate ();
4635         }
4636 }
4637
4638 double
4639 ARDOUR_UI::TransportControllable::get_value (void) const
4640 {
4641         float val = 0.0;
4642
4643         switch (type) {
4644         case Roll:
4645                 break;
4646         case Stop:
4647                 break;
4648         case GotoStart:
4649                 break;
4650         case GotoEnd:
4651                 break;
4652         case AutoLoop:
4653                 break;
4654         case PlaySelection:
4655                 break;
4656         case RecordEnable:
4657                 break;
4658         default:
4659                 break;
4660         }
4661
4662         return val;
4663 }
4664
4665 void
4666 ARDOUR_UI::setup_profile ()
4667 {
4668         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4669                 Profile->set_small_screen ();
4670         }
4671
4672         if (g_getenv ("ARDOUR_SAE")) {
4673                 Profile->set_sae ();
4674                 Profile->set_single_package ();
4675         }
4676
4677         if (g_getenv ("TRX")) {
4678                 Profile->set_trx ();
4679         }
4680
4681         if (g_getenv ("MIXBUS")) {
4682                 Profile->set_mixbus ();
4683         }
4684 }
4685
4686 int
4687 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4688 {
4689         MissingFileDialog dialog (s, str, type);
4690
4691         dialog.show ();
4692         dialog.present ();
4693
4694         int result = dialog.run ();
4695         dialog.hide ();
4696
4697         switch (result) {
4698         case RESPONSE_OK:
4699                 break;
4700         default:
4701                 return 1; // quit entire session load
4702         }
4703
4704         result = dialog.get_action ();
4705
4706         return result;
4707 }
4708
4709 int
4710 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4711 {
4712         AmbiguousFileDialog dialog (file, hits);
4713
4714         dialog.show ();
4715         dialog.present ();
4716
4717         dialog.run ();
4718         return dialog.get_which ();
4719 }
4720
4721 /** Allocate our thread-local buffers */
4722 void
4723 ARDOUR_UI::get_process_buffers ()
4724 {
4725         _process_thread->get_buffers ();
4726 }
4727
4728 /** Drop our thread-local buffers */
4729 void
4730 ARDOUR_UI::drop_process_buffers ()
4731 {
4732         _process_thread->drop_buffers ();
4733 }
4734
4735 void
4736 ARDOUR_UI::feedback_detected ()
4737 {
4738         _feedback_exists = true;
4739 }
4740
4741 void
4742 ARDOUR_UI::successful_graph_sort ()
4743 {
4744         _feedback_exists = false;
4745 }
4746
4747 void
4748 ARDOUR_UI::midi_panic ()
4749 {
4750         if (_session) {
4751                 _session->midi_panic();
4752         }
4753 }
4754
4755 void
4756 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4757 {
4758         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4759         const char* end_big = "</span>";
4760         const char* start_mono = "<tt>";
4761         const char* end_mono = "</tt>";
4762
4763         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4764                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4765                                              "From now on, use the -2000 version with older versions of %3"),
4766                                            xml_path, backup_path, PROGRAM_NAME,
4767                                            start_big, end_big,
4768                                            start_mono, end_mono), true);
4769
4770         msg.run ();
4771 }
4772
4773
4774 void
4775 ARDOUR_UI::reset_peak_display ()
4776 {
4777         if (!_session || !_session->master_out() || !editor_meter) return;
4778         editor_meter->clear_meters();
4779         editor_meter_max_peak = -INFINITY;
4780         editor_meter_peak_display.set_active_state ( Gtkmm2ext::Off );
4781 }
4782
4783 void
4784 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4785 {
4786         if (!_session || !_session->master_out()) return;
4787         if (group == _session->master_out()->route_group()) {
4788                 reset_peak_display ();
4789         }
4790 }
4791
4792 void
4793 ARDOUR_UI::reset_route_peak_display (Route* route)
4794 {
4795         if (!_session || !_session->master_out()) return;
4796         if (_session->master_out().get() == route) {
4797                 reset_peak_display ();
4798         }
4799 }
4800
4801 int
4802 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4803 {
4804         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4805         audio_midi_setup->set_position (WIN_POS_CENTER);
4806
4807         switch (audio_midi_setup->run()) {
4808         case Gtk::RESPONSE_OK:
4809                 return 0;
4810         case Gtk::RESPONSE_APPLY:
4811                 return 0;
4812         default:
4813                 return -1;
4814         }
4815 }
4816
4817
4818 gint
4819 ARDOUR_UI::transport_numpad_timeout ()
4820 {
4821         _numpad_locate_happening = false;
4822         if (_numpad_timeout_connection.connected() )
4823                 _numpad_timeout_connection.disconnect();
4824         return 1;
4825 }
4826
4827 void
4828 ARDOUR_UI::transport_numpad_decimal ()
4829 {
4830         _numpad_timeout_connection.disconnect();
4831
4832         if (_numpad_locate_happening) {
4833                 if (editor) editor->goto_nth_marker(_pending_locate_num - 1);
4834                 _numpad_locate_happening = false;
4835         } else {
4836                 _pending_locate_num = 0;
4837                 _numpad_locate_happening = true;
4838                 _numpad_timeout_connection = Glib::signal_timeout().connect (mem_fun(*this, &ARDOUR_UI::transport_numpad_timeout), 2*1000);
4839         }
4840 }
4841
4842 void
4843 ARDOUR_UI::transport_numpad_event (int num)
4844 {
4845         if ( _numpad_locate_happening ) {
4846                 _pending_locate_num = _pending_locate_num*10 + num;
4847         } else {
4848                 switch (num) {
4849                         case 0:  toggle_roll(false, false);             break;
4850                         case 1:  transport_rewind(1);                           break;
4851                         case 2:  transport_forward(1);                          break;
4852                         case 3:  transport_record(true);                        break;
4853                         case 4:  toggle_session_auto_loop();            break;
4854                         case 5:  transport_record(false); toggle_session_auto_loop();   break;
4855                         case 6:  toggle_punch();                                        break;
4856                         case 7:  toggle_click();                                break;
4857                         case 8:  toggle_auto_return();                  break;
4858                         case 9:  toggle_follow_edits();         break;
4859                 }
4860         }
4861 }
4862
4863 void
4864 ARDOUR_UI::set_flat_buttons ()
4865 {
4866         CairoWidget::set_flat_buttons( config()->get_flat_buttons() );
4867 }
4868
4869 void
4870 ARDOUR_UI::audioengine_became_silent ()
4871 {
4872         MessageDialog msg (string_compose (_("This is a free/demo copy of %1. It has just switched to silent mode."), PROGRAM_NAME),
4873                            true,
4874                            Gtk::MESSAGE_WARNING,
4875                            Gtk::BUTTONS_NONE,
4876                            true);
4877
4878         msg.set_title (string_compose (_("%1 is now silent"), PROGRAM_NAME));
4879
4880         Gtk::Label pay_label (string_compose (_("Please consider paying for a copy of %1 - you can pay whatever you want."), PROGRAM_NAME));
4881         Gtk::Label subscribe_label (_("Better yet become a subscriber - subscriptions start at US$1 per month."));
4882         Gtk::Button pay_button (_("Pay for a copy (via the web)"));
4883         Gtk::Button subscribe_button (_("Become a subscriber (via the web)"));
4884         Gtk::HBox pay_button_box;
4885         Gtk::HBox subscribe_button_box;
4886
4887         pay_button_box.pack_start (pay_button, true, false);
4888         subscribe_button_box.pack_start (subscribe_button, true, false);
4889
4890         bool (*openuri)(const char*) = PBD::open_uri; /* this forces selection of the const char* variant of PBD::open_uri(), which we need to avoid ambiguity below */
4891
4892         pay_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://ardour.org/download")));
4893         subscribe_button.signal_clicked().connect (sigc::hide_return (sigc::bind (sigc::ptr_fun (openuri), (const char*) "https://community.ardour.org/s/subscribe")));
4894
4895         msg.get_vbox()->pack_start (pay_label);
4896         msg.get_vbox()->pack_start (pay_button_box);
4897         msg.get_vbox()->pack_start (subscribe_label);
4898         msg.get_vbox()->pack_start (subscribe_button_box);
4899
4900         msg.get_vbox()->show_all ();
4901
4902         msg.add_button (_("Remain silent"), Gtk::RESPONSE_CANCEL);
4903         msg.add_button (_("Save and quit"), Gtk::RESPONSE_NO);
4904         msg.add_button (_("Give me more time"), Gtk::RESPONSE_YES);
4905
4906         int r = msg.run ();
4907
4908         switch (r) {
4909         case Gtk::RESPONSE_YES:
4910                 AudioEngine::instance()->reset_silence_countdown ();
4911                 break;
4912
4913         case Gtk::RESPONSE_NO:
4914                 /* save and quit */
4915                 save_state_canfail ("");
4916                 exit (0);
4917                 break;
4918
4919         case Gtk::RESPONSE_CANCEL:
4920         default:
4921                 /* don't reset, save session and exit */
4922                 break;
4923         }
4924 }
4925
4926 void
4927 ARDOUR_UI::hide_application ()
4928 {
4929     Application::instance ()-> hide ();
4930 }