src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2021 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::cout;
  83 using std::dynamic_pointer_cast;
  84 using std::exception;
  85 using std::list;
  86 using std::make_shared;
  87 using std::shared_ptr;
  88 using std::string;
  89 using std::vector;
  90 using std::weak_ptr;
  91 using boost::scoped_array;
  92 using boost::optional;
  93 using boost::thread;
  94 using boost::bind;
  95 #if BOOST_VERSION >= 106100
  96 using namespace boost::placeholders;
  97 #endif
  98 using dcp::raw_convert;
  99 using namespace dcpomatic;
 100
 101 enum {
 102         ID_file_open = 1,
 103         ID_file_add_ov,
 104         ID_file_add_kdm,
 105         ID_file_history,
 106         /* Allow spare IDs after _history for the recent files list */
 107         ID_file_close = 100,
 108         ID_view_cpl,
 109         /* Allow spare IDs for CPLs */
 110         ID_view_full_screen = 200,
 111         ID_view_dual_screen,
 112         ID_view_closed_captions,
 113         ID_view_scale_appropriate,
 114         ID_view_scale_full,
 115         ID_view_scale_half,
 116         ID_view_scale_quarter,
 117         ID_help_report_a_problem,
 118         ID_tools_verify,
 119         ID_tools_check_for_updates,
 120         ID_tools_timing,
 121         ID_tools_system_information,
 122         /* IDs for shortcuts (with no associated menu item) */
 123         ID_start_stop,
 124         ID_go_back_frame,
 125         ID_go_forward_frame,
 126         ID_go_back_small_amount,
 127         ID_go_forward_small_amount,
 128         ID_go_back_medium_amount,
 129         ID_go_forward_medium_amount,
 130         ID_go_back_large_amount,
 131         ID_go_forward_large_amount,
 132         ID_go_to_start,
 133         ID_go_to_end
 134 };
 135
 136 class DOMFrame : public wxFrame
 137 {
 138 public:
 139         DOMFrame ()
 140                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 141                 , _dual_screen (0)
 142                 , _update_news_requested (false)
 143                 , _info (0)
 144                 , _mode (Config::instance()->player_mode())
 145                 , _config_dialog (0)
 146                 , _file_menu (0)
 147                 , _history_items (0)
 148                 , _history_position (0)
 149                 , _history_separator (0)
 150                 , _system_information_dialog (0)
 151                 , _view_full_screen (0)
 152                 , _view_dual_screen (0)
 153                 , _main_sizer (new wxBoxSizer (wxVERTICAL))
 154         {
 155                 dcpomatic_log = make_shared<NullLog>();
 156
 157 #if defined(DCPOMATIC_WINDOWS)
 158                 maybe_open_console ();
 159                 cout << "DCP-o-matic Player is starting." << "\n";
 160 #endif
 161
 162                 auto bar = new wxMenuBar;
 163                 setup_menu (bar);
 164                 set_menu_sensitivity ();
 165                 SetMenuBar (bar);
 166
 167 #ifdef DCPOMATIC_WINDOWS
 168                 SetIcon (wxIcon (std_to_wx ("id")));
 169 #endif
 170
 171                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 172                 update_from_config (Config::PLAYER_DEBUG_LOG);
 173
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 192                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 193                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 194
 195                 /* Use a panel as the only child of the Frame so that we avoid
 196                    the dark-grey background on Windows.
 197                 */
 198                 _overall_panel = new wxPanel (this, wxID_ANY);
 199
 200                 _viewer.reset (new FilmViewer (_overall_panel));
 201                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 202                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 203                         _controls = pc;
 204                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 205                 } else {
 206                         _controls = new StandardControls (_overall_panel, _viewer, false);
 207                 }
 208                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 209                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 210                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 211                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 212                 _info = new PlayerInformation (_overall_panel, _viewer);
 213                 setup_main_sizer (Config::instance()->player_mode());
 214 #ifdef __WXOSX__
 215                 int accelerators = 12;
 216 #else
 217                 int accelerators = 11;
 218 #endif
 219
 220                 _stress.setup (this, _controls);
 221
 222                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 223                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 224                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 225                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 226                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 227                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 228                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 229                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 230                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 231                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 232                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 233                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 234 #ifdef __WXOSX__
 235                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 236 #endif
 237                 wxAcceleratorTable accel_table (accelerators, accel);
 238                 SetAcceleratorTable (accel_table);
 239                 delete[] accel;
 240
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 250                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 251                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 252
 253                 reset_film ();
 254
 255                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 256                 setup_screen ();
 257
 258                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 259         }
 260
 261         void setup_main_sizer (Config::PlayerMode mode)
 262         {
 263                 _main_sizer->Detach (_viewer->panel());
 264                 _main_sizer->Detach (_controls);
 265                 _main_sizer->Detach (_info);
 266                 if (mode != Config::PLAYER_MODE_DUAL) {
 267                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 268                 }
 269                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 270                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 271                 _overall_panel->SetSizer (_main_sizer);
 272                 _overall_panel->Layout ();
 273         }
 274
 275         bool playback_permitted ()
 276         {
 277                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 278                         return true;
 279                 }
 280
 281                 bool ok = true;
 282                 for (auto i: _film->content()) {
 283                         auto d = dynamic_pointer_cast<DCPContent>(i);
 284                         if (d && !d->kdm_timing_window_valid()) {
 285                                 ok = false;
 286                         }
 287                 }
 288
 289                 if (!ok) {
 290                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 291                 }
 292
 293                 return ok;
 294         }
 295
 296         void playback_started (DCPTime time)
 297         {
 298                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 299                 if (_film->content().empty()) {
 300                         return;
 301                 }
 302
 303                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 304                 if (dcp) {
 305                         DCPExaminer ex (dcp, true);
 306                         shared_ptr<dcp::CPL> playing_cpl;
 307                         for (auto i: ex.cpls()) {
 308                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 309                                         playing_cpl = i;
 310                                 }
 311                         }
 312                         DCPOMATIC_ASSERT (playing_cpl);
 313
 314                         _controls->log (
 315                                 wxString::Format(
 316                                         "playback-started %s %s %s",
 317                                         time.timecode(_film->video_frame_rate()).c_str(),
 318                                         dcp->directories().front().string().c_str(),
 319                                         playing_cpl->annotation_text().get_value_or("").c_str()
 320                                         )
 321                                 );
 322                 }
 323
 324                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 325                 if (ffmpeg) {
 326                         _controls->log (
 327                                 wxString::Format(
 328                                         "playback-started %s %s",
 329                                         time.timecode(_film->video_frame_rate()).c_str(),
 330                                         ffmpeg->path(0).string().c_str()
 331                                         )
 332                                 );
 333                 }
 334         }
 335
 336         void playback_stopped (DCPTime time)
 337         {
 338                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 339         }
 340
 341         void set_decode_reduction (optional<int> reduction)
 342         {
 343                 _viewer->set_dcp_decode_reduction (reduction);
 344                 _info->triggered_update ();
 345                 Config::instance()->set_decode_reduction (reduction);
 346         }
 347
 348         void load_dcp (boost::filesystem::path dir)
 349         {
 350                 DCPOMATIC_ASSERT (_film);
 351
 352                 reset_film ();
 353                 try {
 354                         _stress.set_suspended (true);
 355                         auto dcp = make_shared<DCPContent>(dir);
 356                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 357                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 358                         JobManager::instance()->add (job);
 359                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 360                         if (!ok || !report_errors_from_last_job(this)) {
 361                                 return;
 362                         }
 363                         Config::instance()->add_to_player_history (dir);
 364                 } catch (dcp::ReadError& e) {
 365                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 366                 } catch (DCPError& e) {
 367                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 368                 }
 369         }
 370
 371         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 372         {
 373                 auto job = weak_job.lock ();
 374                 if (!job || !job->finished_ok()) {
 375                         return;
 376                 }
 377
 378                 auto content = weak_content.lock ();
 379                 if (!content) {
 380                         return;
 381                 }
 382
 383                 _film->add_content (content);
 384                 _stress.set_suspended (false);
 385         }
 386
 387         void reset_film_weak (weak_ptr<Film> weak_film)
 388         {
 389                 auto film = weak_film.lock ();
 390                 if (film) {
 391                         reset_film (film);
 392                 }
 393         }
 394
 395         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 396         {
 397                 _film = film;
 398                 _film->set_tolerant (true);
 399                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 400                 _viewer->set_film (_film);
 401                 _controls->set_film (_film);
 402                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 403                 _info->triggered_update ();
 404         }
 405
 406         void film_changed (ChangeType type, Film::Property property)
 407         {
 408                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 409                         return;
 410                 }
 411
 412                 if (_viewer->playing ()) {
 413                         _viewer->stop ();
 414                 }
 415
 416                 /* Start off as Flat */
 417                 _film->set_container (Ratio::from_id("185"));
 418
 419                 for (auto i: _film->content()) {
 420                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 421
 422                         for (auto j: i->text) {
 423                                 j->set_use (true);
 424                         }
 425
 426                         if (i->video) {
 427                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 428                                 if (r->id() == "239") {
 429                                         /* Any scope content means we use scope */
 430                                         _film->set_container(r);
 431                                 }
 432                         }
 433
 434                         /* Any 3D content means we use 3D mode */
 435                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 436                                 _film->set_three_d (true);
 437                         }
 438                 }
 439
 440                 _viewer->seek (DCPTime(), true);
 441                 _info->triggered_update ();
 442
 443                 set_menu_sensitivity ();
 444
 445                 auto old = _cpl_menu->GetMenuItems();
 446                 for (auto const& i: old) {
 447                         _cpl_menu->Remove (i);
 448                 }
 449
 450                 if (_film->content().size() == 1) {
 451                         /* Offer a CPL menu */
 452                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 453                         if (first) {
 454                                 DCPExaminer ex (first, true);
 455                                 int id = ID_view_cpl;
 456                                 for (auto i: ex.cpls()) {
 457                                         auto j = _cpl_menu->AppendRadioItem(
 458                                                 id,
 459                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 460                                                 );
 461                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 462                                         ++id;
 463                                 }
 464                         }
 465                 }
 466         }
 467
 468         void load_stress_script (boost::filesystem::path path)
 469         {
 470                 _stress.load_script (path);
 471         }
 472
 473 private:
 474
 475         void examine_content ()
 476         {
 477                 DCPOMATIC_ASSERT (_film);
 478                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 479                 DCPOMATIC_ASSERT (dcp);
 480                 dcp->examine (_film, shared_ptr<Job>());
 481
 482                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 483                 for (auto i: dcp->text) {
 484                         i->set_use (true);
 485                 }
 486         }
 487
 488         bool report_errors_from_last_job (wxWindow* parent) const
 489         {
 490                 auto jm = JobManager::instance ();
 491
 492                 DCPOMATIC_ASSERT (!jm->get().empty());
 493
 494                 auto last = jm->get().back();
 495                 if (last->finished_in_error()) {
 496                         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()));
 497                         return false;
 498                 }
 499
 500                 return true;
 501         }
 502
 503         void setup_menu (wxMenuBar* m)
 504         {
 505                 _file_menu = new wxMenu;
 506                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 507                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 508                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 509
 510                 _history_position = _file_menu->GetMenuItems().GetCount();
 511
 512                 _file_menu->AppendSeparator ();
 513                 _file_menu->Append (ID_file_close, _("&Close"));
 514                 _file_menu->AppendSeparator ();
 515
 516 #ifdef __WXOSX__
 517                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 518 #else
 519                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 520 #endif
 521
 522 #ifdef __WXOSX__
 523                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 524 #else
 525                 auto edit = new wxMenu;
 526                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 527 #endif
 528
 529                 prefs->Enable (Config::instance()->have_write_permission());
 530
 531                 _cpl_menu = new wxMenu;
 532
 533                 auto view = new wxMenu;
 534                 auto c = Config::instance()->decode_reduction();
 535                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 536                 view->AppendSeparator();
 537                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 538                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 539                 setup_menu ();
 540                 view->AppendSeparator();
 541                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 542                 view->AppendSeparator();
 543                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 544                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 545                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 546                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 547
 548                 auto tools = new wxMenu;
 549                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 550                 tools->AppendSeparator ();
 551                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 552                 tools->Append (ID_tools_timing, _("Timing..."));
 553                 tools->Append (ID_tools_system_information, _("System information..."));
 554
 555                 auto help = new wxMenu;
 556 #ifdef __WXOSX__
 557                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 558 #else
 559                 help->Append (wxID_ABOUT, _("About"));
 560 #endif
 561                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 562
 563                 m->Append (_file_menu, _("&File"));
 564 #ifndef __WXOSX__
 565                 m->Append (edit, _("&Edit"));
 566 #endif
 567                 m->Append (view, _("&View"));
 568                 m->Append (tools, _("&Tools"));
 569                 m->Append (help, _("&Help"));
 570         }
 571
 572         void file_open ()
 573         {
 574                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 575                 if (Config::instance()->last_player_load_directory()) {
 576                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 577                 }
 578
 579                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 580
 581                 int r;
 582                 while (true) {
 583                         r = c->ShowModal ();
 584                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 585                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 586                         } else {
 587                                 break;
 588                         }
 589                 }
 590
 591                 if (r == wxID_OK) {
 592                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 593                         load_dcp (dcp);
 594                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 595                 }
 596
 597                 c->Destroy ();
 598         }
 599
 600         void file_add_ov ()
 601         {
 602                 auto c = new wxDirDialog (
 603                         this,
 604                         _("Select DCP to open as OV"),
 605                         wxStandardPaths::Get().GetDocumentsDir(),
 606                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 607                         );
 608
 609                 int r;
 610                 while (true) {
 611                         r = c->ShowModal ();
 612                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 613                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 614                         } else {
 615                                 break;
 616                         }
 617                 }
 618
 619                 if (r == wxID_OK) {
 620                         DCPOMATIC_ASSERT (_film);
 621                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 622                         DCPOMATIC_ASSERT (dcp);
 623                         dcp->add_ov (wx_to_std(c->GetPath()));
 624                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 625                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 626                         if (!ok || !report_errors_from_last_job(this)) {
 627                                 return;
 628                         }
 629                         for (auto i: dcp->text) {
 630                                 i->set_use (true);
 631                         }
 632                         if (dcp->video) {
 633                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 634                                 if (r) {
 635                                         _film->set_container(r);
 636                                 }
 637                         }
 638                 }
 639
 640                 c->Destroy ();
 641                 _info->triggered_update ();
 642         }
 643
 644         void file_add_kdm ()
 645         {
 646                 auto d = new wxFileDialog (this, _("Select KDM"));
 647
 648                 if (d->ShowModal() == wxID_OK) {
 649                         DCPOMATIC_ASSERT (_film);
 650                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 651                         DCPOMATIC_ASSERT (dcp);
 652                         try {
 653                                 if (dcp) {
 654                                         _viewer->set_coalesce_player_changes (true);
 655                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 656                                         examine_content();
 657                                         _viewer->set_coalesce_player_changes (false);
 658                                 }
 659                         } catch (exception& e) {
 660                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 661                                 d->Destroy ();
 662                                 return;
 663                         }
 664                 }
 665
 666                 d->Destroy ();
 667                 _info->triggered_update ();
 668         }
 669
 670         void file_history (wxCommandEvent& event)
 671         {
 672                 auto history = Config::instance()->player_history ();
 673                 int n = event.GetId() - ID_file_history;
 674                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 675                         try {
 676                                 load_dcp (history[n]);
 677                         } catch (exception& e) {
 678                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 679                         }
 680                 }
 681         }
 682
 683         void file_close ()
 684         {
 685                 reset_film ();
 686                 _info->triggered_update ();
 687                 set_menu_sensitivity ();
 688         }
 689
 690         void file_exit ()
 691         {
 692                 Close ();
 693         }
 694
 695         void edit_preferences ()
 696         {
 697                 if (!Config::instance()->have_write_permission()) {
 698                         return;
 699                 }
 700
 701                 if (!_config_dialog) {
 702                         _config_dialog = create_player_config_dialog ();
 703                 }
 704                 _config_dialog->Show (this);
 705         }
 706
 707         void view_cpl (wxCommandEvent& ev)
 708         {
 709                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 710                 DCPOMATIC_ASSERT (dcp);
 711                 DCPExaminer ex (dcp, true);
 712                 int id = ev.GetId() - ID_view_cpl;
 713                 DCPOMATIC_ASSERT (id >= 0);
 714                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 715                 auto cpls = ex.cpls();
 716                 auto i = cpls.begin();
 717                 while (id > 0) {
 718                         ++i;
 719                         --id;
 720                 }
 721
 722                 _viewer->set_coalesce_player_changes (true);
 723                 dcp->set_cpl ((*i)->id());
 724                 examine_content ();
 725                 _viewer->set_coalesce_player_changes (false);
 726
 727                 _info->triggered_update ();
 728         }
 729
 730         void view_full_screen ()
 731         {
 732                 if (_mode == Config::PLAYER_MODE_FULL) {
 733                         _mode = Config::PLAYER_MODE_WINDOW;
 734                 } else {
 735                         _mode = Config::PLAYER_MODE_FULL;
 736                 }
 737                 setup_screen ();
 738                 setup_menu ();
 739         }
 740
 741         void view_dual_screen ()
 742         {
 743                 if (_mode == Config::PLAYER_MODE_DUAL) {
 744                         _mode = Config::PLAYER_MODE_WINDOW;
 745                 } else {
 746                         _mode = Config::PLAYER_MODE_DUAL;
 747                 }
 748                 setup_screen ();
 749                 setup_menu ();
 750         }
 751
 752         void setup_menu ()
 753         {
 754                 if (_view_full_screen) {
 755                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 756                 }
 757                 if (_view_dual_screen) {
 758                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 759                 }
 760         }
 761
 762         void setup_screen ()
 763         {
 764                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 765                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 766                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 767                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 768                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 769
 770                 if (_mode == Config::PLAYER_MODE_DUAL) {
 771                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 772                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 773                         _dual_screen->ShowFullScreen (true);
 774                         _viewer->panel()->Reparent (_dual_screen);
 775                         _dual_screen->Show ();
 776                         if (wxDisplay::GetCount() > 1) {
 777                                 switch (Config::instance()->image_display()) {
 778                                 case 0:
 779                                         _dual_screen->Move (0, 0);
 780                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 781                                         break;
 782                                 case 1:
 783                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 784                                         // (0, 0) doesn't seem to work for some strange reason
 785                                         Move (8, 8);
 786                                         break;
 787                                 }
 788                         }
 789                 } else {
 790                         if (_dual_screen) {
 791                                 _viewer->panel()->Reparent (_overall_panel);
 792                                 _dual_screen->Destroy ();
 793                                 _dual_screen = 0;
 794                         }
 795                 }
 796
 797                 setup_main_sizer (_mode);
 798         }
 799
 800         void view_closed_captions ()
 801         {
 802                 _viewer->show_closed_captions ();
 803         }
 804
 805         void tools_verify ()
 806         {
 807                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 808                 DCPOMATIC_ASSERT (dcp);
 809
 810                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 811                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 812                 bool const completed = progress->run (job);
 813                 progress->Destroy ();
 814                 if (!completed) {
 815                         return;
 816                 }
 817
 818                 auto d = new VerifyDCPDialog (this, job);
 819                 d->ShowModal ();
 820                 d->Destroy ();
 821         }
 822
 823         void tools_check_for_updates ()
 824         {
 825                 UpdateChecker::instance()->run ();
 826                 _update_news_requested = true;
 827         }
 828
 829         void tools_timing ()
 830         {
 831                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 832                 d->ShowModal ();
 833                 d->Destroy ();
 834         }
 835
 836         void tools_system_information ()
 837         {
 838                 if (!_system_information_dialog) {
 839                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 840                 }
 841
 842                 _system_information_dialog->Show ();
 843         }
 844
 845         void help_about ()
 846         {
 847                 auto d = new AboutDialog (this);
 848                 d->ShowModal ();
 849                 d->Destroy ();
 850         }
 851
 852         void help_report_a_problem ()
 853         {
 854                 auto d = new ReportProblemDialog (this);
 855                 if (d->ShowModal () == wxID_OK) {
 856                         d->report ();
 857                 }
 858                 d->Destroy ();
 859         }
 860
 861         void update_checker_state_changed ()
 862         {
 863                 auto uc = UpdateChecker::instance ();
 864
 865                 bool const announce =
 866                         _update_news_requested ||
 867                         (uc->stable() && Config::instance()->check_for_updates()) ||
 868                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 869
 870                 _update_news_requested = false;
 871
 872                 if (!announce) {
 873                         return;
 874                 }
 875
 876                 if (uc->state() == UpdateChecker::State::YES) {
 877                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 878                         dialog->ShowModal ();
 879                         dialog->Destroy ();
 880                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 881                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 882                 } else {
 883                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 884                 }
 885
 886                 _update_news_requested = false;
 887         }
 888
 889         void config_changed (Config::Property prop)
 890         {
 891                 /* Instantly save any config changes when using the player GUI */
 892                 try {
 893                         Config::instance()->write_config();
 894                 } catch (FileError& e) {
 895                         if (prop != Config::HISTORY) {
 896                                 error_dialog (
 897                                         this,
 898                                         wxString::Format(
 899                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 900                                                 std_to_wx(e.file().string())
 901                                                 )
 902                                         );
 903                         }
 904                 } catch (exception& e) {
 905                         error_dialog (
 906                                 this,
 907                                 _("Could not write to config file.  Your changes have not been saved.")
 908                                 );
 909                 }
 910
 911                 update_from_config (prop);
 912         }
 913
 914         void update_from_config (Config::Property prop)
 915         {
 916                 for (int i = 0; i < _history_items; ++i) {
 917                         delete _file_menu->Remove (ID_file_history + i);
 918                 }
 919
 920                 if (_history_separator) {
 921                         _file_menu->Remove (_history_separator);
 922                 }
 923                 delete _history_separator;
 924                 _history_separator = nullptr;
 925
 926                 int pos = _history_position;
 927
 928                 /* Clear out non-existant history items before we re-build the menu */
 929                 Config::instance()->clean_player_history ();
 930                 auto history = Config::instance()->player_history ();
 931
 932                 if (!history.empty ()) {
 933                         _history_separator = _file_menu->InsertSeparator (pos++);
 934                 }
 935
 936                 for (size_t i = 0; i < history.size(); ++i) {
 937                         string s;
 938                         if (i < 9) {
 939                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 940                         } else {
 941                                 s = history[i].string();
 942                         }
 943                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 944                 }
 945
 946                 _history_items = history.size ();
 947
 948                 if (prop == Config::PLAYER_DEBUG_LOG) {
 949                         auto p = Config::instance()->player_debug_log_file();
 950                         if (p) {
 951                                 dcpomatic_log = make_shared<FileLog>(*p);
 952                         } else {
 953                                 dcpomatic_log = make_shared<NullLog>();
 954                         }
 955                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 956                 }
 957         }
 958
 959         void set_menu_sensitivity ()
 960         {
 961                 _tools_verify->Enable (static_cast<bool>(_film));
 962                 _file_add_ov->Enable (static_cast<bool>(_film));
 963                 _file_add_kdm->Enable (static_cast<bool>(_film));
 964                 _view_cpl->Enable (static_cast<bool>(_film));
 965         }
 966
 967         void start_stop_pressed ()
 968         {
 969                 if (_viewer->playing()) {
 970                         _viewer->stop();
 971                 } else {
 972                         _viewer->start();
 973                 }
 974         }
 975
 976         void go_back_frame ()
 977         {
 978                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 979         }
 980
 981         void go_forward_frame ()
 982         {
 983                 _viewer->seek_by (_viewer->one_video_frame(), true);
 984         }
 985
 986         void go_seconds (int s)
 987         {
 988                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 989         }
 990
 991         void go_to_start ()
 992         {
 993                 _viewer->seek (DCPTime(), true);
 994         }
 995
 996         void go_to_end ()
 997         {
 998                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 999         }
1000
1001         wxFrame* _dual_screen;
1002         bool _update_news_requested;
1003         PlayerInformation* _info;
1004         Config::PlayerMode _mode;
1005         wxPreferencesEditor* _config_dialog;
1006         wxPanel* _overall_panel;
1007         wxMenu* _file_menu;
1008         wxMenuItem* _view_cpl;
1009         wxMenu* _cpl_menu;
1010         int _history_items;
1011         int _history_position;
1012         wxMenuItem* _history_separator;
1013         shared_ptr<FilmViewer> _viewer;
1014         Controls* _controls;
1015         SystemInformationDialog* _system_information_dialog;
1016         std::shared_ptr<Film> _film;
1017         boost::signals2::scoped_connection _config_changed_connection;
1018         boost::signals2::scoped_connection _examine_job_connection;
1019         wxMenuItem* _file_add_ov;
1020         wxMenuItem* _file_add_kdm;
1021         wxMenuItem* _tools_verify;
1022         wxMenuItem* _view_full_screen;
1023         wxMenuItem* _view_dual_screen;
1024         wxSizer* _main_sizer;
1025         PlayerStressTester _stress;
1026 };
1027
1028 static const wxCmdLineEntryDesc command_line_description[] = {
1029         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1030         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1031         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1032         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1033 };
1034
1035 class PlayServer : public Server
1036 {
1037 public:
1038         explicit PlayServer (DOMFrame* frame)
1039                 : Server (PLAYER_PLAY_PORT)
1040                 , _frame (frame)
1041         {}
1042
1043         void handle (shared_ptr<Socket> socket)
1044         {
1045                 try {
1046                         int const length = socket->read_uint32 ();
1047                         scoped_array<char> buffer (new char[length]);
1048                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1049                         string s (buffer.get());
1050                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1051                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1052                 } catch (...) {
1053
1054                 }
1055         }
1056
1057 private:
1058         DOMFrame* _frame;
1059 };
1060
1061 /** @class App
1062  *  @brief The magic App class for wxWidgets.
1063  */
1064 class App : public wxApp
1065 {
1066 public:
1067         App ()
1068                 : wxApp ()
1069                 , _frame (0)
1070         {
1071 #ifdef DCPOMATIC_LINUX
1072                 XInitThreads ();
1073 #endif
1074         }
1075
1076 private:
1077
1078         bool OnInit ()
1079         {
1080                 wxSplashScreen* splash = 0;
1081                 try {
1082                         wxInitAllImageHandlers ();
1083
1084                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1085                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1086
1087                         splash = maybe_show_splash ();
1088
1089                         SetAppName (_("DCP-o-matic Player"));
1090
1091                         if (!wxApp::OnInit()) {
1092                                 return false;
1093                         }
1094
1095 #ifdef DCPOMATIC_LINUX
1096                         unsetenv ("UBUNTU_MENUPROXY");
1097 #endif
1098
1099 #ifdef DCPOMATIC_OSX
1100                         make_foreground_application ();
1101 #endif
1102
1103                         dcpomatic_setup_path_encoding ();
1104
1105                         /* Enable i18n; this will create a Config object
1106                            to look for a force-configured language.  This Config
1107                            object will be wrong, however, because dcpomatic_setup
1108                            hasn't yet been called and there aren't any filters etc.
1109                            set up yet.
1110                         */
1111                         dcpomatic_setup_i18n ();
1112
1113                         /* Set things up, including filters etc.
1114                            which will now be internationalised correctly.
1115                         */
1116                         dcpomatic_setup ();
1117
1118                         /* Force the configuration to be re-loaded correctly next
1119                            time it is needed.
1120                         */
1121                         Config::drop ();
1122
1123                         signal_manager = new wxSignalManager (this);
1124
1125                         _frame = new DOMFrame ();
1126                         SetTopWindow (_frame);
1127                         _frame->Maximize ();
1128                         if (splash) {
1129                                 splash->Destroy ();
1130                                 splash = 0;
1131                         }
1132                         _frame->Show ();
1133
1134                         PlayServer* server = new PlayServer (_frame);
1135                         new thread (boost::bind (&PlayServer::run, server));
1136
1137                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1138                                 try {
1139                                         _frame->load_dcp (_dcp_to_load);
1140                                 } catch (exception& e) {
1141                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1142                                 }
1143                         }
1144
1145                         if (_stress) {
1146                                 try {
1147                                         _frame->load_stress_script (*_stress);
1148                                 } catch (exception& e) {
1149                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1150                                 }
1151                         }
1152
1153                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1154
1155                         if (Config::instance()->check_for_updates ()) {
1156                                 UpdateChecker::instance()->run ();
1157                         }
1158                 }
1159                 catch (exception& e)
1160                 {
1161                         if (splash) {
1162                                 splash->Destroy ();
1163                         }
1164                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1165                 }
1166
1167                 return true;
1168         }
1169
1170         void OnInitCmdLine (wxCmdLineParser& parser)
1171         {
1172                 parser.SetDesc (command_line_description);
1173                 parser.SetSwitchChars (wxT ("-"));
1174         }
1175
1176         bool OnCmdLineParsed (wxCmdLineParser& parser)
1177         {
1178                 if (parser.GetParamCount() > 0) {
1179                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1180                 }
1181
1182                 wxString config;
1183                 if (parser.Found("c", &config)) {
1184                         Config::override_path = wx_to_std (config);
1185                 }
1186                 wxString stress;
1187                 if (parser.Found("s", &stress)) {
1188                         _stress = wx_to_std (stress);
1189                 }
1190
1191                 return true;
1192         }
1193
1194         void report_exception ()
1195         {
1196                 try {
1197                         throw;
1198                 } catch (FileError& e) {
1199                         error_dialog (
1200                                 0,
1201                                 wxString::Format (
1202                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1203                                         std_to_wx (e.what()),
1204                                         std_to_wx (e.file().string().c_str ())
1205                                         )
1206                                 );
1207                 } catch (exception& e) {
1208                         error_dialog (
1209                                 0,
1210                                 wxString::Format (
1211                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1212                                         std_to_wx (e.what ())
1213                                         )
1214                                 );
1215                 } catch (...) {
1216                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1217                 }
1218         }
1219
1220         /* An unhandled exception has occurred inside the main event loop */
1221         bool OnExceptionInMainLoop ()
1222         {
1223                 report_exception ();
1224                 /* This will terminate the program */
1225                 return false;
1226         }
1227
1228         void OnUnhandledException ()
1229         {
1230                 report_exception ();
1231         }
1232
1233         void idle ()
1234         {
1235                 signal_manager->ui_idle ();
1236         }
1237
1238         void config_failed_to_load ()
1239         {
1240                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1241         }
1242
1243         void config_warning (string m)
1244         {
1245                 message_dialog (_frame, std_to_wx (m));
1246         }
1247
1248         DOMFrame* _frame;
1249         string _dcp_to_load;
1250         boost::optional<string> _stress;
1251 };
1252
1253 IMPLEMENT_APP (App)