src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2018 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 "lib/cross.h"
  22 #include "lib/config.h"
  23 #include "lib/util.h"
  24 #include "lib/update_checker.h"
  25 #include "lib/compose.hpp"
  26 #include "lib/dcp_content.h"
  27 #include "lib/job_manager.h"
  28 #include "lib/job.h"
  29 #include "lib/video_content.h"
  30 #include "lib/subtitle_content.h"
  31 #include "lib/ratio.h"
  32 #include "wx/wx_signal_manager.h"
  33 #include "wx/wx_util.h"
  34 #include "wx/about_dialog.h"
  35 #include "wx/report_problem_dialog.h"
  36 #include "wx/film_viewer.h"
  37 #include "wx/player_information.h"
  38 #include "wx/update_dialog.h"
  39 #include "wx/player_config_dialog.h"
  40 #include <wx/wx.h>
  41 #include <wx/stdpaths.h>
  42 #include <wx/splash.h>
  43 #include <wx/cmdline.h>
  44 #include <wx/preferences.h>
  45 #include <wx/progdlg.h>
  46 #ifdef __WXOSX__
  47 #include <ApplicationServices/ApplicationServices.h>
  48 #endif
  49 #include <boost/bind.hpp>
  50 #include <iostream>
  51
  52 #ifdef check
  53 #undef check
  54 #endif
  55
  56 using std::string;
  57 using std::cout;
  58 using std::exception;
  59 using std::vector;
  60 using boost::shared_ptr;
  61 using boost::optional;
  62
  63 enum {
  64         ID_file_open = 1,
  65         ID_file_add_ov,
  66         ID_file_add_kdm,
  67         ID_file_history,
  68         /* Allow spare IDs after _history for the recent files list */
  69         ID_file_close = 100,
  70         ID_view_scale_appropriate,
  71         ID_view_scale_full,
  72         ID_view_scale_half,
  73         ID_view_scale_quarter,
  74         ID_help_report_a_problem,
  75         ID_tools_check_for_updates,
  76 };
  77
  78 class DOMFrame : public wxFrame
  79 {
  80 public:
  81         DOMFrame ()
  82                 : wxFrame (0, -1, _("DCP-o-matic Player"))
  83                 , _update_news_requested (false)
  84                 , _info (0)
  85                 , _config_dialog (0)
  86                 , _file_menu (0)
  87                 , _history_items (0)
  88                 , _history_position (0)
  89                 , _history_separator (0)
  90                 , _viewer (0)
  91         {
  92
  93 #if defined(DCPOMATIC_WINDOWS)
  94                 maybe_open_console ();
  95                 cout << "DCP-o-matic Player is starting." << "\n";
  96 #endif
  97
  98                 wxMenuBar* bar = new wxMenuBar;
  99                 setup_menu (bar);
 100                 set_menu_sensitivity ();
 101                 SetMenuBar (bar);
 102
 103 #ifdef DCPOMATIC_WINDOWS
 104                 SetIcon (wxIcon (std_to_wx ("id")));
 105 #endif
 106
 107                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this));
 108                 config_changed ();
 109
 110                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 111                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 112                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 113                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 114                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 115                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 116                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 117                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>()), ID_view_scale_appropriate);
 118                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 119                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 120                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 121                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 122                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 123                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 124
 125                 /* Use a panel as the only child of the Frame so that we avoid
 126                    the dark-grey background on Windows.
 127                 */
 128                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 129
 130                 _viewer = new FilmViewer (overall_panel, false, false);
 131                 _info = new PlayerInformation (overall_panel, _viewer);
 132                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 133                 main_sizer->Add (_viewer, 1, wxEXPAND | wxALL, 6);
 134                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 135                 overall_panel->SetSizer (main_sizer);
 136
 137 #ifdef __WXOSX__
 138                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[1];
 139                 accel[0].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 140                 wxAcceleratorTable accel_table (1, accel);
 141                 SetAcceleratorTable (accel_table);
 142                 delete[] accel;
 143 #endif
 144
 145                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 146         }
 147
 148         void set_decode_reduction (optional<int> reduction)
 149         {
 150                 _viewer->set_dcp_decode_reduction (reduction);
 151                 _info->triggered_update ();
 152         }
 153
 154         void load_dcp (boost::filesystem::path dir)
 155         {
 156                 _film.reset (new Film (optional<boost::filesystem::path>()));
 157                 shared_ptr<DCPContent> dcp;
 158                 try {
 159                         dcp.reset (new DCPContent (_film, dir));
 160                 } catch (boost::filesystem::filesystem_error& e) {
 161                         error_dialog (this, _("Could not load DCP"), std_to_wx (e.what()));
 162                         return;
 163                 }
 164
 165                 _film->examine_and_add_content (dcp, true);
 166
 167                 JobManager* jm = JobManager::instance ();
 168
 169                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), _("Loading DCP"));
 170
 171                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 172                         dcpomatic_sleep (1);
 173                         progress->Pulse ();
 174                 }
 175
 176                 progress->Destroy ();
 177
 178                 DCPOMATIC_ASSERT (!jm->get().empty());
 179
 180                 shared_ptr<Job> last = jm->get().back();
 181                 if (last->finished_in_error()) {
 182                         error_dialog (this, std_to_wx (last->error_summary()) + ".\n");
 183                         return;
 184                 }
 185
 186                 if (dcp->subtitle) {
 187                         dcp->subtitle->set_use (true);
 188                 }
 189
 190                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 191                 if (r) {
 192                         _film->set_container(r);
 193                 }
 194
 195                 _viewer->set_film (_film);
 196                 _viewer->set_position (DCPTime ());
 197                 _info->triggered_update ();
 198
 199                 Config::instance()->add_to_player_history (dir);
 200
 201                 set_menu_sensitivity ();
 202         }
 203
 204 private:
 205
 206         void setup_menu (wxMenuBar* m)
 207         {
 208                 _file_menu = new wxMenu;
 209                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 210                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 211                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 212
 213                 _history_position = _file_menu->GetMenuItems().GetCount();
 214
 215                 _file_menu->AppendSeparator ();
 216                 _file_menu->Append (ID_file_close, _("&Close"));
 217                 _file_menu->AppendSeparator ();
 218
 219 #ifdef __WXOSX__
 220                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 221 #else
 222                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 223 #endif
 224
 225 #ifdef __WXOSX__
 226                 _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 227 #else
 228                 wxMenu* edit = new wxMenu;
 229                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 230 #endif
 231
 232                 wxMenu* view = new wxMenu;
 233                 view->AppendRadioItem (ID_view_scale_appropriate, _("Set decode resolution to match display"));
 234                 view->AppendRadioItem (ID_view_scale_full, _("Decode at full resolution"));
 235                 view->AppendRadioItem (ID_view_scale_half, _("Decode at half resolution"));
 236                 view->AppendRadioItem (ID_view_scale_quarter, _("Decode at quarter resolution"));
 237
 238                 wxMenu* tools = new wxMenu;
 239                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 240
 241                 wxMenu* help = new wxMenu;
 242 #ifdef __WXOSX__
 243                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 244 #else
 245                 help->Append (wxID_ABOUT, _("About"));
 246 #endif
 247                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 248
 249                 m->Append (_file_menu, _("&File"));
 250 #ifndef __WXOSX__
 251                 m->Append (edit, _("&Edit"));
 252 #endif
 253                 m->Append (view, _("&View"));
 254                 m->Append (tools, _("&Tools"));
 255                 m->Append (help, _("&Help"));
 256         }
 257
 258         void file_open ()
 259         {
 260                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 261                 if (Config::instance()->last_player_load_directory()) {
 262                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 263                 }
 264
 265                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 266
 267                 int r;
 268                 while (true) {
 269                         r = c->ShowModal ();
 270                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 271                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 272                         } else {
 273                                 break;
 274                         }
 275                 }
 276
 277                 if (r == wxID_OK) {
 278                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 279                         load_dcp (dcp);
 280                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 281                 }
 282
 283                 c->Destroy ();
 284         }
 285
 286         void file_add_ov ()
 287         {
 288                 wxDirDialog* c = new wxDirDialog (
 289                         this,
 290                         _("Select DCP to open as OV"),
 291                         wxStandardPaths::Get().GetDocumentsDir(),
 292                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 293                         );
 294
 295                 int r;
 296                 while (true) {
 297                         r = c->ShowModal ();
 298                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 299                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 300                         } else {
 301                                 break;
 302                         }
 303                 }
 304
 305                 if (r == wxID_OK) {
 306                         DCPOMATIC_ASSERT (_film);
 307                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 308                         DCPOMATIC_ASSERT (dcp);
 309                         dcp->add_ov (wx_to_std(c->GetPath()));
 310                         dcp->examine (shared_ptr<Job>());
 311                 }
 312
 313                 c->Destroy ();
 314                 _info->triggered_update ();
 315         }
 316
 317         void file_add_kdm ()
 318         {
 319                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 320
 321                 if (d->ShowModal() == wxID_OK) {
 322                         DCPOMATIC_ASSERT (_film);
 323                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 324                         DCPOMATIC_ASSERT (dcp);
 325                         try {
 326                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 327                                 dcp->examine (shared_ptr<Job>());
 328                         } catch (exception& e) {
 329                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 330                                 d->Destroy ();
 331                                 return;
 332                         }
 333                 }
 334
 335                 d->Destroy ();
 336                 _info->triggered_update ();
 337         }
 338
 339         void file_history (wxCommandEvent& event)
 340         {
 341                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 342                 int n = event.GetId() - ID_file_history;
 343                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 344                         load_dcp (history[n]);
 345                 }
 346         }
 347
 348         void file_close ()
 349         {
 350                 _viewer->set_film (shared_ptr<Film>());
 351                 _film.reset ();
 352                 _info->triggered_update ();
 353                 set_menu_sensitivity ();
 354         }
 355
 356         void file_exit ()
 357         {
 358                 Close ();
 359         }
 360
 361         void edit_preferences ()
 362         {
 363                 if (!_config_dialog) {
 364                         _config_dialog = create_player_config_dialog ();
 365                 }
 366                 _config_dialog->Show (this);
 367         }
 368
 369         void tools_check_for_updates ()
 370         {
 371                 UpdateChecker::instance()->run ();
 372                 _update_news_requested = true;
 373         }
 374
 375         void help_about ()
 376         {
 377                 AboutDialog* d = new AboutDialog (this);
 378                 d->ShowModal ();
 379                 d->Destroy ();
 380         }
 381
 382         void help_report_a_problem ()
 383         {
 384                 ReportProblemDialog* d = new ReportProblemDialog (this);
 385                 if (d->ShowModal () == wxID_OK) {
 386                         d->report ();
 387                 }
 388                 d->Destroy ();
 389         }
 390
 391         void update_checker_state_changed ()
 392         {
 393                 UpdateChecker* uc = UpdateChecker::instance ();
 394
 395                 bool const announce =
 396                         _update_news_requested ||
 397                         (uc->stable() && Config::instance()->check_for_updates()) ||
 398                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 399
 400                 _update_news_requested = false;
 401
 402                 if (!announce) {
 403                         return;
 404                 }
 405
 406                 if (uc->state() == UpdateChecker::YES) {
 407                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 408                         dialog->ShowModal ();
 409                         dialog->Destroy ();
 410                 } else if (uc->state() == UpdateChecker::FAILED) {
 411                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 412                 } else {
 413                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 414                 }
 415
 416                 _update_news_requested = false;
 417         }
 418
 419         void config_changed ()
 420         {
 421                 /* Instantly save any config changes when using the player GUI */
 422                 try {
 423                         Config::instance()->write_config();
 424                 } catch (exception& e) {
 425                         error_dialog (
 426                                 this,
 427                                 wxString::Format (
 428                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 429                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 430                                         )
 431                                 );
 432                 }
 433
 434                 for (int i = 0; i < _history_items; ++i) {
 435                         delete _file_menu->Remove (ID_file_history + i);
 436                 }
 437
 438                 if (_history_separator) {
 439                         _file_menu->Remove (_history_separator);
 440                 }
 441                 delete _history_separator;
 442                 _history_separator = 0;
 443
 444                 int pos = _history_position;
 445
 446                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 447
 448                 if (!history.empty ()) {
 449                         _history_separator = _file_menu->InsertSeparator (pos++);
 450                 }
 451
 452                 for (size_t i = 0; i < history.size(); ++i) {
 453                         string s;
 454                         if (i < 9) {
 455                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 456                         } else {
 457                                 s = history[i].string();
 458                         }
 459                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 460                 }
 461
 462                 _history_items = history.size ();
 463         }
 464
 465         void set_menu_sensitivity ()
 466         {
 467                 _file_add_ov->Enable (static_cast<bool>(_film));
 468                 _file_add_kdm->Enable (static_cast<bool>(_film));
 469         }
 470
 471         bool _update_news_requested;
 472         PlayerInformation* _info;
 473         wxPreferencesEditor* _config_dialog;
 474         wxMenu* _file_menu;
 475         int _history_items;
 476         int _history_position;
 477         wxMenuItem* _history_separator;
 478         FilmViewer* _viewer;
 479         boost::shared_ptr<Film> _film;
 480         boost::signals2::scoped_connection _config_changed_connection;
 481         wxMenuItem* _file_add_ov;
 482         wxMenuItem* _file_add_kdm;
 483 };
 484
 485 static const wxCmdLineEntryDesc command_line_description[] = {
 486         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 487         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 488 };
 489
 490 /** @class App
 491  *  @brief The magic App class for wxWidgets.
 492  */
 493 class App : public wxApp
 494 {
 495 public:
 496         App ()
 497                 : wxApp ()
 498                 , _frame (0)
 499         {}
 500
 501 private:
 502
 503         bool OnInit ()
 504         try
 505         {
 506                 wxInitAllImageHandlers ();
 507
 508                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 509                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 510
 511                 wxSplashScreen* splash = maybe_show_splash ();
 512
 513                 SetAppName (_("DCP-o-matic Player"));
 514
 515                 if (!wxApp::OnInit()) {
 516                         return false;
 517                 }
 518
 519 #ifdef DCPOMATIC_LINUX
 520                 unsetenv ("UBUNTU_MENUPROXY");
 521 #endif
 522
 523 #ifdef __WXOSX__
 524                 ProcessSerialNumber serial;
 525                 GetCurrentProcess (&serial);
 526                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 527 #endif
 528
 529                 dcpomatic_setup_path_encoding ();
 530
 531                 /* Enable i18n; this will create a Config object
 532                    to look for a force-configured language.  This Config
 533                    object will be wrong, however, because dcpomatic_setup
 534                    hasn't yet been called and there aren't any filters etc.
 535                    set up yet.
 536                 */
 537                 dcpomatic_setup_i18n ();
 538
 539                 /* Set things up, including filters etc.
 540                    which will now be internationalised correctly.
 541                 */
 542                 dcpomatic_setup ();
 543
 544                 /* Force the configuration to be re-loaded correctly next
 545                    time it is needed.
 546                 */
 547                 Config::drop ();
 548
 549                 _frame = new DOMFrame ();
 550                 SetTopWindow (_frame);
 551                 _frame->Maximize ();
 552                 if (splash) {
 553                         splash->Destroy ();
 554                 }
 555                 _frame->Show ();
 556
 557                 signal_manager = new wxSignalManager (this);
 558
 559                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
 560                         try {
 561                                 _frame->load_dcp (_dcp_to_load);
 562                         } catch (exception& e) {
 563                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
 564                         }
 565                 }
 566
 567                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 568
 569                 if (Config::instance()->check_for_updates ()) {
 570                         UpdateChecker::instance()->run ();
 571                 }
 572
 573                 return true;
 574         }
 575         catch (exception& e)
 576         {
 577                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
 578                 return true;
 579         }
 580
 581         void OnInitCmdLine (wxCmdLineParser& parser)
 582         {
 583                 parser.SetDesc (command_line_description);
 584                 parser.SetSwitchChars (wxT ("-"));
 585         }
 586
 587         bool OnCmdLineParsed (wxCmdLineParser& parser)
 588         {
 589                 if (parser.GetParamCount() > 0) {
 590                         _dcp_to_load = wx_to_std (parser.GetParam (0));
 591                 }
 592
 593                 return true;
 594         }
 595
 596         void report_exception ()
 597         {
 598                 try {
 599                         throw;
 600                 } catch (FileError& e) {
 601                         error_dialog (
 602                                 0,
 603                                 wxString::Format (
 604                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 605                                         std_to_wx (e.what()),
 606                                         std_to_wx (e.file().string().c_str ())
 607                                         )
 608                                 );
 609                 } catch (exception& e) {
 610                         error_dialog (
 611                                 0,
 612                                 wxString::Format (
 613                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
 614                                         std_to_wx (e.what ())
 615                                         )
 616                                 );
 617                 } catch (...) {
 618                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 619                 }
 620         }
 621
 622         /* An unhandled exception has occurred inside the main event loop */
 623         bool OnExceptionInMainLoop ()
 624         {
 625                 report_exception ();
 626                 /* This will terminate the program */
 627                 return false;
 628         }
 629
 630         void OnUnhandledException ()
 631         {
 632                 report_exception ();
 633         }
 634
 635         void idle ()
 636         {
 637                 signal_manager->ui_idle ();
 638         }
 639
 640         void config_failed_to_load ()
 641         {
 642                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 643         }
 644
 645         void config_warning (string m)
 646         {
 647                 message_dialog (_frame, std_to_wx (m));
 648         }
 649
 650         DOMFrame* _frame;
 651         string _dcp_to_load;
 652 };
 653
 654 IMPLEMENT_APP (App)