src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2020 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/standard_controls.h"
  31 #include "wx/playlist_controls.h"
  32 #include "wx/timer_display.h"
  33 #include "wx/system_information_dialog.h"
  34 #include "wx/player_stress_tester.h"
  35 #include "wx/verify_dcp_progress_dialog.h"
  36 #include "lib/cross.h"
  37 #include "lib/config.h"
  38 #include "lib/util.h"
  39 #include "lib/internet.h"
  40 #include "lib/update_checker.h"
  41 #include "lib/compose.hpp"
  42 #include "lib/dcp_content.h"
  43 #include "lib/job_manager.h"
  44 #include "lib/job.h"
  45 #include "lib/film.h"
  46 #include "lib/null_log.h"
  47 #include "lib/video_content.h"
  48 #include "lib/text_content.h"
  49 #include "lib/ratio.h"
  50 #include "lib/verify_dcp_job.h"
  51 #include "lib/dcp_examiner.h"
  52 #include "lib/examine_content_job.h"
  53 #include "lib/server.h"
  54 #include "lib/dcpomatic_socket.h"
  55 #include "lib/scoped_temporary.h"
  56 #include "lib/ffmpeg_content.h"
  57 #include "lib/dcpomatic_log.h"
  58 #include "lib/file_log.h"
  59 #include <dcp/dcp.h>
  60 #include <dcp/raw_convert.h>
  61 #include <dcp/exceptions.h>
  62 #include <wx/wx.h>
  63 #include <wx/stdpaths.h>
  64 #include <wx/splash.h>
  65 #include <wx/cmdline.h>
  66 #include <wx/preferences.h>
  67 #include <wx/progdlg.h>
  68 #include <wx/display.h>
  69 #ifdef __WXGTK__
  70 #include <X11/Xlib.h>
  71 #endif
  72 #include <boost/bind/bind.hpp>
  73 #include <boost/algorithm/string.hpp>
  74 #include <iostream>
  75
  76 #ifdef check
  77 #undef check
  78 #endif
  79
  80 #define MAX_CPLS 32
  81
  82 using std::string;
  83 using std::cout;
  84 using std::list;
  85 using std::exception;
  86 using std::vector;
  87 using std::shared_ptr;
  88 using std::weak_ptr;
  89 using boost::scoped_array;
  90 using boost::optional;
  91 using std::dynamic_pointer_cast;
  92 using boost::thread;
  93 using boost::bind;
  94 #if BOOST_VERSION >= 106100
  95 using namespace boost::placeholders;
  96 #endif
  97 using dcp::raw_convert;
  98 using namespace dcpomatic;
  99
 100 enum {
 101         ID_file_open = 1,
 102         ID_file_add_ov,
 103         ID_file_add_kdm,
 104         ID_file_history,
 105         /* Allow spare IDs after _history for the recent files list */
 106         ID_file_close = 100,
 107         ID_view_cpl,
 108         /* Allow spare IDs for CPLs */
 109         ID_view_full_screen = 200,
 110         ID_view_dual_screen,
 111         ID_view_closed_captions,
 112         ID_view_scale_appropriate,
 113         ID_view_scale_full,
 114         ID_view_scale_half,
 115         ID_view_scale_quarter,
 116         ID_help_report_a_problem,
 117         ID_tools_verify,
 118         ID_tools_check_for_updates,
 119         ID_tools_timing,
 120         ID_tools_system_information,
 121         /* IDs for shortcuts (with no associated menu item) */
 122         ID_start_stop,
 123         ID_go_back_frame,
 124         ID_go_forward_frame,
 125         ID_go_back_small_amount,
 126         ID_go_forward_small_amount,
 127         ID_go_back_medium_amount,
 128         ID_go_forward_medium_amount,
 129         ID_go_back_large_amount,
 130         ID_go_forward_large_amount,
 131         ID_go_to_start,
 132         ID_go_to_end
 133 };
 134
 135 class DOMFrame : public wxFrame
 136 {
 137 public:
 138         DOMFrame ()
 139                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 140                 , _dual_screen (0)
 141                 , _update_news_requested (false)
 142                 , _info (0)
 143                 , _mode (Config::instance()->player_mode())
 144                 , _config_dialog (0)
 145                 , _file_menu (0)
 146                 , _history_items (0)
 147                 , _history_position (0)
 148                 , _history_separator (0)
 149                 , _system_information_dialog (0)
 150                 , _view_full_screen (0)
 151                 , _view_dual_screen (0)
 152                 , _main_sizer (new wxBoxSizer (wxVERTICAL))
 153 {
 154                 dcpomatic_log.reset (new NullLog());
 155
 156 #if defined(DCPOMATIC_WINDOWS)
 157                 maybe_open_console ();
 158                 cout << "DCP-o-matic Player is starting." << "\n";
 159 #endif
 160
 161                 wxMenuBar* bar = new wxMenuBar;
 162                 setup_menu (bar);
 163                 set_menu_sensitivity ();
 164                 SetMenuBar (bar);
 165
 166 #ifdef DCPOMATIC_WINDOWS
 167                 SetIcon (wxIcon (std_to_wx ("id")));
 168 #endif
 169
 170                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 171                 update_from_config (Config::PLAYER_DEBUG_LOG);
 172
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 192                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 193
 194                 /* Use a panel as the only child of the Frame so that we avoid
 195                    the dark-grey background on Windows.
 196                 */
 197                 _overall_panel = new wxPanel (this, wxID_ANY);
 198
 199                 _viewer.reset (new FilmViewer (_overall_panel));
 200                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 201                         PlaylistControls* pc = new PlaylistControls (_overall_panel, _viewer);
 202                         _controls = pc;
 203                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 204                 } else {
 205                         _controls = new StandardControls (_overall_panel, _viewer, false);
 206                 }
 207                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 208                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 209                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 210                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 211                 _info = new PlayerInformation (_overall_panel, _viewer);
 212                 setup_main_sizer (Config::instance()->player_mode());
 213 #ifdef __WXOSX__
 214                 int accelerators = 12;
 215 #else
 216                 int accelerators = 11;
 217 #endif
 218
 219                 _stress.setup (this, _controls);
 220
 221                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 222                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 223                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 224                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 225                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 226                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 227                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 228                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 229                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 230                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 231                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 232                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 233 #ifdef __WXOSX__
 234                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 235 #endif
 236                 wxAcceleratorTable accel_table (accelerators, accel);
 237                 SetAcceleratorTable (accel_table);
 238                 delete[] accel;
 239
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 250                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 251
 252                 reset_film ();
 253
 254                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 255                 setup_screen ();
 256
 257                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 258         }
 259
 260         void setup_main_sizer (Config::PlayerMode mode)
 261         {
 262                 _main_sizer->Detach (_viewer->panel());
 263                 _main_sizer->Detach (_controls);
 264                 _main_sizer->Detach (_info);
 265                 if (mode != Config::PLAYER_MODE_DUAL) {
 266                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 267                 }
 268                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 269                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 270                 _overall_panel->SetSizer (_main_sizer);
 271                 _overall_panel->Layout ();
 272         }
 273
 274         bool playback_permitted ()
 275         {
 276                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 277                         return true;
 278                 }
 279
 280                 bool ok = true;
 281                 for (auto i: _film->content()) {
 282                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 283                         if (d && !d->kdm_timing_window_valid()) {
 284                                 ok = false;
 285                         }
 286                 }
 287
 288                 if (!ok) {
 289                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 290                 }
 291
 292                 return ok;
 293         }
 294
 295         void playback_started (DCPTime time)
 296         {
 297                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 298                 if (_film->content().empty()) {
 299                         return;
 300                 }
 301
 302                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 303                 if (dcp) {
 304                         DCPExaminer ex (dcp, true);
 305                         shared_ptr<dcp::CPL> playing_cpl;
 306                         for (auto i: ex.cpls()) {
 307                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 308                                         playing_cpl = i;
 309                                 }
 310                         }
 311                         DCPOMATIC_ASSERT (playing_cpl);
 312
 313                         _controls->log (
 314                                 wxString::Format(
 315                                         "playback-started %s %s %s",
 316                                         time.timecode(_film->video_frame_rate()).c_str(),
 317                                         dcp->directories().front().string().c_str(),
 318                                         playing_cpl->annotation_text().get_value_or("").c_str()
 319                                         )
 320                                 );
 321                 }
 322
 323                 shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 324                 if (ffmpeg) {
 325                         _controls->log (
 326                                 wxString::Format(
 327                                         "playback-started %s %s",
 328                                         time.timecode(_film->video_frame_rate()).c_str(),
 329                                         ffmpeg->path(0).string().c_str()
 330                                         )
 331                                 );
 332                 }
 333         }
 334
 335         void playback_stopped (DCPTime time)
 336         {
 337                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 338         }
 339
 340         void set_decode_reduction (optional<int> reduction)
 341         {
 342                 _viewer->set_dcp_decode_reduction (reduction);
 343                 _info->triggered_update ();
 344                 Config::instance()->set_decode_reduction (reduction);
 345         }
 346
 347         void load_dcp (boost::filesystem::path dir)
 348         {
 349                 DCPOMATIC_ASSERT (_film);
 350
 351                 reset_film ();
 352                 try {
 353                         _stress.set_suspended (true);
 354                         shared_ptr<DCPContent> dcp (new DCPContent(dir));
 355                         shared_ptr<Job> job (new ExamineContentJob(_film, dcp));
 356                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 357                         JobManager::instance()->add (job);
 358                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 359                         if (!ok || !report_errors_from_last_job(this)) {
 360                                 return;
 361                         }
 362                         Config::instance()->add_to_player_history (dir);
 363                 } catch (dcp::ReadError& e) {
 364                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 365                 } catch (DCPError& e) {
 366                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 367                 }
 368         }
 369
 370         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 371         {
 372                 shared_ptr<Job> job = weak_job.lock ();
 373                 if (!job || !job->finished_ok()) {
 374                         return;
 375                 }
 376
 377                 shared_ptr<Content> content = weak_content.lock ();
 378                 if (!content) {
 379                         return;
 380                 }
 381
 382                 _film->add_content (content);
 383                 _stress.set_suspended (false);
 384         }
 385
 386         void reset_film_weak (weak_ptr<Film> weak_film)
 387         {
 388                 shared_ptr<Film> film = weak_film.lock ();
 389                 if (film) {
 390                         reset_film (film);
 391                 }
 392         }
 393
 394         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 395         {
 396                 _film = film;
 397                 _film->set_tolerant (true);
 398                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 399                 _viewer->set_film (_film);
 400                 _controls->set_film (_film);
 401                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 402                 _info->triggered_update ();
 403         }
 404
 405         void film_changed (ChangeType type, Film::Property property)
 406         {
 407                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 408                         return;
 409                 }
 410
 411                 if (_viewer->playing ()) {
 412                         _viewer->stop ();
 413                 }
 414
 415                 /* Start off as Flat */
 416                 _film->set_container (Ratio::from_id("185"));
 417
 418                 for (auto i: _film->content()) {
 419                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 420
 421                         for (auto j: i->text) {
 422                                 j->set_use (true);
 423                         }
 424
 425                         if (i->video) {
 426                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 427                                 if (r->id() == "239") {
 428                                         /* Any scope content means we use scope */
 429                                         _film->set_container(r);
 430                                 }
 431                         }
 432
 433                         /* Any 3D content means we use 3D mode */
 434                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 435                                 _film->set_three_d (true);
 436                         }
 437                 }
 438
 439                 _viewer->seek (DCPTime(), true);
 440                 _info->triggered_update ();
 441
 442                 set_menu_sensitivity ();
 443
 444                 auto old = _cpl_menu->GetMenuItems();
 445                 for (auto const& i: old) {
 446                         _cpl_menu->Remove (i);
 447                 }
 448
 449                 if (_film->content().size() == 1) {
 450                         /* Offer a CPL menu */
 451                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 452                         if (first) {
 453                                 DCPExaminer ex (first, true);
 454                                 int id = ID_view_cpl;
 455                                 for (auto i: ex.cpls()) {
 456                                         auto j = _cpl_menu->AppendRadioItem(
 457                                                 id,
 458                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 459                                                 );
 460                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 461                                         ++id;
 462                                 }
 463                         }
 464                 }
 465         }
 466
 467         void load_stress_script (boost::filesystem::path path)
 468         {
 469                 _stress.load_script (path);
 470         }
 471
 472 private:
 473
 474         bool report_errors_from_last_job (wxWindow* parent) const
 475         {
 476                 auto jm = JobManager::instance ();
 477
 478                 DCPOMATIC_ASSERT (!jm->get().empty());
 479
 480                 auto last = jm->get().back();
 481                 if (last->finished_in_error()) {
 482                         error_dialog(parent, wxString::Format(_("Could not load DCP.\n\n%s."), std_to_wx(last->error_summary()).data()), std_to_wx(last->error_details()));
 483                         return false;
 484                 }
 485
 486                 return true;
 487         }
 488
 489         void setup_menu (wxMenuBar* m)
 490         {
 491                 _file_menu = new wxMenu;
 492                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 493                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 494                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 495
 496                 _history_position = _file_menu->GetMenuItems().GetCount();
 497
 498                 _file_menu->AppendSeparator ();
 499                 _file_menu->Append (ID_file_close, _("&Close"));
 500                 _file_menu->AppendSeparator ();
 501
 502 #ifdef __WXOSX__
 503                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 504 #else
 505                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 506 #endif
 507
 508 #ifdef __WXOSX__
 509                 wxMenuItem* prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 510 #else
 511                 wxMenu* edit = new wxMenu;
 512                 wxMenuItem* prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 513 #endif
 514
 515                 prefs->Enable (Config::instance()->have_write_permission());
 516
 517                 _cpl_menu = new wxMenu;
 518
 519                 wxMenu* view = new wxMenu;
 520                 optional<int> c = Config::instance()->decode_reduction();
 521                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 522                 view->AppendSeparator();
 523                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 524                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 525                 setup_menu ();
 526                 view->AppendSeparator();
 527                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 528                 view->AppendSeparator();
 529                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 530                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 531                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 532                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 533
 534                 wxMenu* tools = new wxMenu;
 535                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 536                 tools->AppendSeparator ();
 537                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 538                 tools->Append (ID_tools_timing, _("Timing..."));
 539                 tools->Append (ID_tools_system_information, _("System information..."));
 540
 541                 wxMenu* help = new wxMenu;
 542 #ifdef __WXOSX__
 543                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 544 #else
 545                 help->Append (wxID_ABOUT, _("About"));
 546 #endif
 547                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 548
 549                 m->Append (_file_menu, _("&File"));
 550 #ifndef __WXOSX__
 551                 m->Append (edit, _("&Edit"));
 552 #endif
 553                 m->Append (view, _("&View"));
 554                 m->Append (tools, _("&Tools"));
 555                 m->Append (help, _("&Help"));
 556         }
 557
 558         void file_open ()
 559         {
 560                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 561                 if (Config::instance()->last_player_load_directory()) {
 562                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 563                 }
 564
 565                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 566
 567                 int r;
 568                 while (true) {
 569                         r = c->ShowModal ();
 570                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 571                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 572                         } else {
 573                                 break;
 574                         }
 575                 }
 576
 577                 if (r == wxID_OK) {
 578                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 579                         load_dcp (dcp);
 580                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 581                 }
 582
 583                 c->Destroy ();
 584         }
 585
 586         void file_add_ov ()
 587         {
 588                 wxDirDialog* c = new wxDirDialog (
 589                         this,
 590                         _("Select DCP to open as OV"),
 591                         wxStandardPaths::Get().GetDocumentsDir(),
 592                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 593                         );
 594
 595                 int r;
 596                 while (true) {
 597                         r = c->ShowModal ();
 598                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 599                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 600                         } else {
 601                                 break;
 602                         }
 603                 }
 604
 605                 if (r == wxID_OK) {
 606                         DCPOMATIC_ASSERT (_film);
 607                         shared_ptr<DCPContent> dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 608                         DCPOMATIC_ASSERT (dcp);
 609                         dcp->add_ov (wx_to_std(c->GetPath()));
 610                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 611                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 612                         if (!ok || !report_errors_from_last_job(this)) {
 613                                 return;
 614                         }
 615                         for (auto i: dcp->text) {
 616                                 i->set_use (true);
 617                         }
 618                         if (dcp->video) {
 619                                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 620                                 if (r) {
 621                                         _film->set_container(r);
 622                                 }
 623                         }
 624                 }
 625
 626                 c->Destroy ();
 627                 _info->triggered_update ();
 628         }
 629
 630         void file_add_kdm ()
 631         {
 632                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 633
 634                 if (d->ShowModal() == wxID_OK) {
 635                         DCPOMATIC_ASSERT (_film);
 636                         shared_ptr<DCPContent> dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 637                         DCPOMATIC_ASSERT (dcp);
 638                         try {
 639                                 if (dcp) {
 640                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 641                                         dcp->examine (_film, shared_ptr<Job>());
 642                                 }
 643                         } catch (exception& e) {
 644                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 645                                 d->Destroy ();
 646                                 return;
 647                         }
 648                 }
 649
 650                 d->Destroy ();
 651                 _info->triggered_update ();
 652         }
 653
 654         void file_history (wxCommandEvent& event)
 655         {
 656                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 657                 int n = event.GetId() - ID_file_history;
 658                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 659                         try {
 660                                 load_dcp (history[n]);
 661                         } catch (exception& e) {
 662                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 663                         }
 664                 }
 665         }
 666
 667         void file_close ()
 668         {
 669                 reset_film ();
 670                 _info->triggered_update ();
 671                 set_menu_sensitivity ();
 672         }
 673
 674         void file_exit ()
 675         {
 676                 Close ();
 677         }
 678
 679         void edit_preferences ()
 680         {
 681                 if (!Config::instance()->have_write_permission()) {
 682                         return;
 683                 }
 684
 685                 if (!_config_dialog) {
 686                         _config_dialog = create_player_config_dialog ();
 687                 }
 688                 _config_dialog->Show (this);
 689         }
 690
 691         void view_cpl (wxCommandEvent& ev)
 692         {
 693                 shared_ptr<DCPContent> dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 694                 DCPOMATIC_ASSERT (dcp);
 695                 DCPExaminer ex (dcp, true);
 696                 int id = ev.GetId() - ID_view_cpl;
 697                 DCPOMATIC_ASSERT (id >= 0);
 698                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 699                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 700                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 701                 while (id > 0) {
 702                         ++i;
 703                         --id;
 704                 }
 705
 706                 dcp->set_cpl ((*i)->id());
 707                 dcp->examine (_film, shared_ptr<Job>());
 708                 _info->triggered_update ();
 709         }
 710
 711         void view_full_screen ()
 712         {
 713                 if (_mode == Config::PLAYER_MODE_FULL) {
 714                         _mode = Config::PLAYER_MODE_WINDOW;
 715                 } else {
 716                         _mode = Config::PLAYER_MODE_FULL;
 717                 }
 718                 setup_screen ();
 719                 setup_menu ();
 720         }
 721
 722         void view_dual_screen ()
 723         {
 724                 if (_mode == Config::PLAYER_MODE_DUAL) {
 725                         _mode = Config::PLAYER_MODE_WINDOW;
 726                 } else {
 727                         _mode = Config::PLAYER_MODE_DUAL;
 728                 }
 729                 setup_screen ();
 730                 setup_menu ();
 731         }
 732
 733         void setup_menu ()
 734         {
 735                 if (_view_full_screen) {
 736                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 737                 }
 738                 if (_view_dual_screen) {
 739                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 740                 }
 741         }
 742
 743         void setup_screen ()
 744         {
 745                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 746                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 747                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 748                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 749                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 750
 751                 if (_mode == Config::PLAYER_MODE_DUAL) {
 752                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 753                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 754                         _dual_screen->ShowFullScreen (true);
 755                         _viewer->panel()->Reparent (_dual_screen);
 756                         _dual_screen->Show ();
 757                         if (wxDisplay::GetCount() > 1) {
 758                                 switch (Config::instance()->image_display()) {
 759                                 case 0:
 760                                         _dual_screen->Move (0, 0);
 761                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 762                                         break;
 763                                 case 1:
 764                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 765                                         // (0, 0) doesn't seem to work for some strange reason
 766                                         Move (8, 8);
 767                                         break;
 768                                 }
 769                         }
 770                 } else {
 771                         if (_dual_screen) {
 772                                 _viewer->panel()->Reparent (_overall_panel);
 773                                 _dual_screen->Destroy ();
 774                                 _dual_screen = 0;
 775                         }
 776                 }
 777
 778                 setup_main_sizer (_mode);
 779         }
 780
 781         void view_closed_captions ()
 782         {
 783                 _viewer->show_closed_captions ();
 784         }
 785
 786         void tools_verify ()
 787         {
 788                 shared_ptr<DCPContent> dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 789                 DCPOMATIC_ASSERT (dcp);
 790
 791                 shared_ptr<VerifyDCPJob> job (new VerifyDCPJob(dcp->directories()));
 792                 VerifyDCPProgressDialog* progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 793                 bool const completed = progress->run (job);
 794                 progress->Destroy ();
 795                 if (!completed) {
 796                         return;
 797                 }
 798
 799                 VerifyDCPDialog* d = new VerifyDCPDialog (this, job);
 800                 d->ShowModal ();
 801                 d->Destroy ();
 802         }
 803
 804         void tools_check_for_updates ()
 805         {
 806                 UpdateChecker::instance()->run ();
 807                 _update_news_requested = true;
 808         }
 809
 810         void tools_timing ()
 811         {
 812                 TimerDisplay* d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 813                 d->ShowModal ();
 814                 d->Destroy ();
 815         }
 816
 817         void tools_system_information ()
 818         {
 819                 if (!_system_information_dialog) {
 820                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 821                 }
 822
 823                 _system_information_dialog->Show ();
 824         }
 825
 826         void help_about ()
 827         {
 828                 AboutDialog* d = new AboutDialog (this);
 829                 d->ShowModal ();
 830                 d->Destroy ();
 831         }
 832
 833         void help_report_a_problem ()
 834         {
 835                 ReportProblemDialog* d = new ReportProblemDialog (this);
 836                 if (d->ShowModal () == wxID_OK) {
 837                         d->report ();
 838                 }
 839                 d->Destroy ();
 840         }
 841
 842         void update_checker_state_changed ()
 843         {
 844                 UpdateChecker* uc = UpdateChecker::instance ();
 845
 846                 bool const announce =
 847                         _update_news_requested ||
 848                         (uc->stable() && Config::instance()->check_for_updates()) ||
 849                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 850
 851                 _update_news_requested = false;
 852
 853                 if (!announce) {
 854                         return;
 855                 }
 856
 857                 if (uc->state() == UpdateChecker::YES) {
 858                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 859                         dialog->ShowModal ();
 860                         dialog->Destroy ();
 861                 } else if (uc->state() == UpdateChecker::FAILED) {
 862                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 863                 } else {
 864                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 865                 }
 866
 867                 _update_news_requested = false;
 868         }
 869
 870         void config_changed (Config::Property prop)
 871         {
 872                 /* Instantly save any config changes when using the player GUI */
 873                 try {
 874                         Config::instance()->write_config();
 875                 } catch (FileError& e) {
 876                         if (prop != Config::HISTORY) {
 877                                 error_dialog (
 878                                         this,
 879                                         wxString::Format(
 880                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 881                                                 std_to_wx(e.file().string())
 882                                                 )
 883                                         );
 884                         }
 885                 } catch (exception& e) {
 886                         error_dialog (
 887                                 this,
 888                                 _("Could not write to config file.  Your changes have not been saved.")
 889                                 );
 890                 }
 891
 892                 update_from_config (prop);
 893         }
 894
 895         void update_from_config (Config::Property prop)
 896         {
 897                 for (int i = 0; i < _history_items; ++i) {
 898                         delete _file_menu->Remove (ID_file_history + i);
 899                 }
 900
 901                 if (_history_separator) {
 902                         _file_menu->Remove (_history_separator);
 903                 }
 904                 delete _history_separator;
 905                 _history_separator = 0;
 906
 907                 int pos = _history_position;
 908
 909                 /* Clear out non-existant history items before we re-build the menu */
 910                 Config::instance()->clean_player_history ();
 911                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 912
 913                 if (!history.empty ()) {
 914                         _history_separator = _file_menu->InsertSeparator (pos++);
 915                 }
 916
 917                 for (size_t i = 0; i < history.size(); ++i) {
 918                         string s;
 919                         if (i < 9) {
 920                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 921                         } else {
 922                                 s = history[i].string();
 923                         }
 924                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 925                 }
 926
 927                 _history_items = history.size ();
 928
 929                 if (prop == Config::PLAYER_DEBUG_LOG) {
 930                         optional<boost::filesystem::path> p = Config::instance()->player_debug_log_file();
 931                         if (p) {
 932                                 dcpomatic_log.reset (new FileLog(*p));
 933                         } else {
 934                                 dcpomatic_log.reset (new NullLog());
 935                         }
 936                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 937                 }
 938         }
 939
 940         void set_menu_sensitivity ()
 941         {
 942                 _tools_verify->Enable (static_cast<bool>(_film));
 943                 _file_add_ov->Enable (static_cast<bool>(_film));
 944                 _file_add_kdm->Enable (static_cast<bool>(_film));
 945                 _view_cpl->Enable (static_cast<bool>(_film));
 946         }
 947
 948         void start_stop_pressed ()
 949         {
 950                 if (_viewer->playing()) {
 951                         _viewer->stop();
 952                 } else {
 953                         _viewer->start();
 954                 }
 955         }
 956
 957         void go_back_frame ()
 958         {
 959                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 960         }
 961
 962         void go_forward_frame ()
 963         {
 964                 _viewer->seek_by (_viewer->one_video_frame(), true);
 965         }
 966
 967         void go_seconds (int s)
 968         {
 969                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 970         }
 971
 972         void go_to_start ()
 973         {
 974                 _viewer->seek (DCPTime(), true);
 975         }
 976
 977         void go_to_end ()
 978         {
 979                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 980         }
 981
 982         wxFrame* _dual_screen;
 983         bool _update_news_requested;
 984         PlayerInformation* _info;
 985         Config::PlayerMode _mode;
 986         wxPreferencesEditor* _config_dialog;
 987         wxPanel* _overall_panel;
 988         wxMenu* _file_menu;
 989         wxMenuItem* _view_cpl;
 990         wxMenu* _cpl_menu;
 991         int _history_items;
 992         int _history_position;
 993         wxMenuItem* _history_separator;
 994         shared_ptr<FilmViewer> _viewer;
 995         Controls* _controls;
 996         SystemInformationDialog* _system_information_dialog;
 997         std::shared_ptr<Film> _film;
 998         boost::signals2::scoped_connection _config_changed_connection;
 999         boost::signals2::scoped_connection _examine_job_connection;
1000         wxMenuItem* _file_add_ov;
1001         wxMenuItem* _file_add_kdm;
1002         wxMenuItem* _tools_verify;
1003         wxMenuItem* _view_full_screen;
1004         wxMenuItem* _view_dual_screen;
1005         wxSizer* _main_sizer;
1006         PlayerStressTester _stress;
1007 };
1008
1009 static const wxCmdLineEntryDesc command_line_description[] = {
1010         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1011         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1012         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1013         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1014 };
1015
1016 class PlayServer : public Server
1017 {
1018 public:
1019         explicit PlayServer (DOMFrame* frame)
1020                 : Server (PLAYER_PLAY_PORT)
1021                 , _frame (frame)
1022         {}
1023
1024         void handle (shared_ptr<Socket> socket)
1025         {
1026                 try {
1027                         int const length = socket->read_uint32 ();
1028                         scoped_array<char> buffer (new char[length]);
1029                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1030                         string s (buffer.get());
1031                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1032                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1033                 } catch (...) {
1034
1035                 }
1036         }
1037
1038 private:
1039         DOMFrame* _frame;
1040 };
1041
1042 /** @class App
1043  *  @brief The magic App class for wxWidgets.
1044  */
1045 class App : public wxApp
1046 {
1047 public:
1048         App ()
1049                 : wxApp ()
1050                 , _frame (0)
1051         {
1052 #ifdef DCPOMATIC_LINUX
1053                 XInitThreads ();
1054 #endif
1055         }
1056
1057 private:
1058
1059         bool OnInit ()
1060         {
1061                 wxSplashScreen* splash = 0;
1062                 try {
1063                         wxInitAllImageHandlers ();
1064
1065                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1066                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1067
1068                         splash = maybe_show_splash ();
1069
1070                         SetAppName (_("DCP-o-matic Player"));
1071
1072                         if (!wxApp::OnInit()) {
1073                                 return false;
1074                         }
1075
1076 #ifdef DCPOMATIC_LINUX
1077                         unsetenv ("UBUNTU_MENUPROXY");
1078 #endif
1079
1080 #ifdef DCPOMATIC_OSX
1081                         make_foreground_application ();
1082 #endif
1083
1084                         dcpomatic_setup_path_encoding ();
1085
1086                         /* Enable i18n; this will create a Config object
1087                            to look for a force-configured language.  This Config
1088                            object will be wrong, however, because dcpomatic_setup
1089                            hasn't yet been called and there aren't any filters etc.
1090                            set up yet.
1091                         */
1092                         dcpomatic_setup_i18n ();
1093
1094                         /* Set things up, including filters etc.
1095                            which will now be internationalised correctly.
1096                         */
1097                         dcpomatic_setup ();
1098
1099                         /* Force the configuration to be re-loaded correctly next
1100                            time it is needed.
1101                         */
1102                         Config::drop ();
1103
1104                         signal_manager = new wxSignalManager (this);
1105
1106                         _frame = new DOMFrame ();
1107                         SetTopWindow (_frame);
1108                         _frame->Maximize ();
1109                         if (splash) {
1110                                 splash->Destroy ();
1111                                 splash = 0;
1112                         }
1113                         _frame->Show ();
1114
1115                         PlayServer* server = new PlayServer (_frame);
1116                         new thread (boost::bind (&PlayServer::run, server));
1117
1118                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1119                                 try {
1120                                         _frame->load_dcp (_dcp_to_load);
1121                                 } catch (exception& e) {
1122                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1123                                 }
1124                         }
1125
1126                         if (_stress) {
1127                                 try {
1128                                         _frame->load_stress_script (*_stress);
1129                                 } catch (exception& e) {
1130                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1131                                 }
1132                         }
1133
1134                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1135
1136                         if (Config::instance()->check_for_updates ()) {
1137                                 UpdateChecker::instance()->run ();
1138                         }
1139                 }
1140                 catch (exception& e)
1141                 {
1142                         if (splash) {
1143                                 splash->Destroy ();
1144                         }
1145                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1146                 }
1147
1148                 return true;
1149         }
1150
1151         void OnInitCmdLine (wxCmdLineParser& parser)
1152         {
1153                 parser.SetDesc (command_line_description);
1154                 parser.SetSwitchChars (wxT ("-"));
1155         }
1156
1157         bool OnCmdLineParsed (wxCmdLineParser& parser)
1158         {
1159                 if (parser.GetParamCount() > 0) {
1160                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1161                 }
1162
1163                 wxString config;
1164                 if (parser.Found("c", &config)) {
1165                         Config::override_path = wx_to_std (config);
1166                 }
1167                 wxString stress;
1168                 if (parser.Found("s", &stress)) {
1169                         _stress = wx_to_std (stress);
1170                 }
1171
1172                 return true;
1173         }
1174
1175         void report_exception ()
1176         {
1177                 try {
1178                         throw;
1179                 } catch (FileError& e) {
1180                         error_dialog (
1181                                 0,
1182                                 wxString::Format (
1183                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1184                                         std_to_wx (e.what()),
1185                                         std_to_wx (e.file().string().c_str ())
1186                                         )
1187                                 );
1188                 } catch (exception& e) {
1189                         error_dialog (
1190                                 0,
1191                                 wxString::Format (
1192                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1193                                         std_to_wx (e.what ())
1194                                         )
1195                                 );
1196                 } catch (...) {
1197                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1198                 }
1199         }
1200
1201         /* An unhandled exception has occurred inside the main event loop */
1202         bool OnExceptionInMainLoop ()
1203         {
1204                 report_exception ();
1205                 /* This will terminate the program */
1206                 return false;
1207         }
1208
1209         void OnUnhandledException ()
1210         {
1211                 report_exception ();
1212         }
1213
1214         void idle ()
1215         {
1216                 signal_manager->ui_idle ();
1217         }
1218
1219         void config_failed_to_load ()
1220         {
1221                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1222         }
1223
1224         void config_warning (string m)
1225         {
1226                 message_dialog (_frame, std_to_wx (m));
1227         }
1228
1229         DOMFrame* _frame;
1230         string _dcp_to_load;
1231         boost::optional<string> _stress;
1232 };
1233
1234 IMPLEMENT_APP (App)