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                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 132                 _info = new PlayerInformation (overall_panel, _viewer);
 133                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 134                 main_sizer->Add (_viewer, 1, wxEXPAND | wxALL, 6);
 135                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 136                 overall_panel->SetSizer (main_sizer);
 137
 138 #ifdef __WXOSX__
 139                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[1];
 140                 accel[0].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 141                 wxAcceleratorTable accel_table (1, accel);
 142                 SetAcceleratorTable (accel_table);
 143                 delete[] accel;
 144 #endif
 145
 146                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 147         }
 148
 149         void set_decode_reduction (optional<int> reduction)
 150         {
 151                 _viewer->set_dcp_decode_reduction (reduction);
 152                 _info->triggered_update ();
 153                 Config::instance()->set_decode_reduction (reduction);
 154         }
 155
 156         void load_dcp (boost::filesystem::path dir)
 157         {
 158                 _film.reset (new Film (optional<boost::filesystem::path>()));
 159                 shared_ptr<DCPContent> dcp;
 160                 try {
 161                         dcp.reset (new DCPContent (_film, dir));
 162                 } catch (boost::filesystem::filesystem_error& e) {
 163                         error_dialog (this, _("Could not load DCP"), std_to_wx (e.what()));
 164                         return;
 165                 }
 166
 167                 _film->examine_and_add_content (dcp, true);
 168
 169                 JobManager* jm = JobManager::instance ();
 170
 171                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), _("Loading DCP"));
 172
 173                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 174                         dcpomatic_sleep (1);
 175                         progress->Pulse ();
 176                 }
 177
 178                 progress->Destroy ();
 179
 180                 DCPOMATIC_ASSERT (!jm->get().empty());
 181
 182                 shared_ptr<Job> last = jm->get().back();
 183                 if (last->finished_in_error()) {
 184                         error_dialog (this, std_to_wx (last->error_summary()) + ".\n");
 185                         return;
 186                 }
 187
 188                 if (dcp->subtitle) {
 189                         dcp->subtitle->set_use (true);
 190                 }
 191
 192                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 193                 if (r) {
 194                         _film->set_container(r);
 195                 }
 196
 197                 _viewer->set_film (_film);
 198                 _viewer->set_position (DCPTime ());
 199                 _info->triggered_update ();
 200
 201                 Config::instance()->add_to_player_history (dir);
 202
 203                 set_menu_sensitivity ();
 204         }
 205
 206 private:
 207
 208         void setup_menu (wxMenuBar* m)
 209         {
 210                 _file_menu = new wxMenu;
 211                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 212                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 213                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 214
 215                 _history_position = _file_menu->GetMenuItems().GetCount();
 216
 217                 _file_menu->AppendSeparator ();
 218                 _file_menu->Append (ID_file_close, _("&Close"));
 219                 _file_menu->AppendSeparator ();
 220
 221 #ifdef __WXOSX__
 222                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 223 #else
 224                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 225 #endif
 226
 227 #ifdef __WXOSX__
 228                 _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 229 #else
 230                 wxMenu* edit = new wxMenu;
 231                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 232 #endif
 233
 234                 wxMenu* view = new wxMenu;
 235                 optional<int> c = Config::instance()->decode_reduction();
 236                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 237                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 238                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 239                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 240
 241                 wxMenu* tools = new wxMenu;
 242                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 243
 244                 wxMenu* help = new wxMenu;
 245 #ifdef __WXOSX__
 246                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 247 #else
 248                 help->Append (wxID_ABOUT, _("About"));
 249 #endif
 250                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 251
 252                 m->Append (_file_menu, _("&File"));
 253 #ifndef __WXOSX__
 254                 m->Append (edit, _("&Edit"));
 255 #endif
 256                 m->Append (view, _("&View"));
 257                 m->Append (tools, _("&Tools"));
 258                 m->Append (help, _("&Help"));
 259         }
 260
 261         void file_open ()
 262         {
 263                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 264                 if (Config::instance()->last_player_load_directory()) {
 265                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 266                 }
 267
 268                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 269
 270                 int r;
 271                 while (true) {
 272                         r = c->ShowModal ();
 273                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 274                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 275                         } else {
 276                                 break;
 277                         }
 278                 }
 279
 280                 if (r == wxID_OK) {
 281                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 282                         load_dcp (dcp);
 283                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 284                 }
 285
 286                 c->Destroy ();
 287         }
 288
 289         void file_add_ov ()
 290         {
 291                 wxDirDialog* c = new wxDirDialog (
 292                         this,
 293                         _("Select DCP to open as OV"),
 294                         wxStandardPaths::Get().GetDocumentsDir(),
 295                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 296                         );
 297
 298                 int r;
 299                 while (true) {
 300                         r = c->ShowModal ();
 301                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 302                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 303                         } else {
 304                                 break;
 305                         }
 306                 }
 307
 308                 if (r == wxID_OK) {
 309                         DCPOMATIC_ASSERT (_film);
 310                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 311                         DCPOMATIC_ASSERT (dcp);
 312                         dcp->add_ov (wx_to_std(c->GetPath()));
 313                         dcp->examine (shared_ptr<Job>());
 314                         /* Maybe we just gained some subtitles */
 315                         if (dcp->subtitle) {
 316                                 dcp->subtitle->set_use (true);
 317                         }
 318                 }
 319
 320                 c->Destroy ();
 321                 _info->triggered_update ();
 322         }
 323
 324         void file_add_kdm ()
 325         {
 326                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 327
 328                 if (d->ShowModal() == wxID_OK) {
 329                         DCPOMATIC_ASSERT (_film);
 330                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 331                         DCPOMATIC_ASSERT (dcp);
 332                         try {
 333                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 334                                 dcp->examine (shared_ptr<Job>());
 335                         } catch (exception& e) {
 336                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 337                                 d->Destroy ();
 338                                 return;
 339                         }
 340                 }
 341
 342                 d->Destroy ();
 343                 _info->triggered_update ();
 344         }
 345
 346         void file_history (wxCommandEvent& event)
 347         {
 348                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 349                 int n = event.GetId() - ID_file_history;
 350                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 351                         load_dcp (history[n]);
 352                 }
 353         }
 354
 355         void file_close ()
 356         {
 357                 _viewer->set_film (shared_ptr<Film>());
 358                 _film.reset ();
 359                 _info->triggered_update ();
 360                 set_menu_sensitivity ();
 361         }
 362
 363         void file_exit ()
 364         {
 365                 Close ();
 366         }
 367
 368         void edit_preferences ()
 369         {
 370                 if (!_config_dialog) {
 371                         _config_dialog = create_player_config_dialog ();
 372                 }
 373                 _config_dialog->Show (this);
 374         }
 375
 376         void tools_check_for_updates ()
 377         {
 378                 UpdateChecker::instance()->run ();
 379                 _update_news_requested = true;
 380         }
 381
 382         void help_about ()
 383         {
 384                 AboutDialog* d = new AboutDialog (this);
 385                 d->ShowModal ();
 386                 d->Destroy ();
 387         }
 388
 389         void help_report_a_problem ()
 390         {
 391                 ReportProblemDialog* d = new ReportProblemDialog (this);
 392                 if (d->ShowModal () == wxID_OK) {
 393                         d->report ();
 394                 }
 395                 d->Destroy ();
 396         }
 397
 398         void update_checker_state_changed ()
 399         {
 400                 UpdateChecker* uc = UpdateChecker::instance ();
 401
 402                 bool const announce =
 403                         _update_news_requested ||
 404                         (uc->stable() && Config::instance()->check_for_updates()) ||
 405                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 406
 407                 _update_news_requested = false;
 408
 409                 if (!announce) {
 410                         return;
 411                 }
 412
 413                 if (uc->state() == UpdateChecker::YES) {
 414                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 415                         dialog->ShowModal ();
 416                         dialog->Destroy ();
 417                 } else if (uc->state() == UpdateChecker::FAILED) {
 418                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 419                 } else {
 420                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 421                 }
 422
 423                 _update_news_requested = false;
 424         }
 425
 426         void config_changed ()
 427         {
 428                 /* Instantly save any config changes when using the player GUI */
 429                 try {
 430                         Config::instance()->write_config();
 431                 } catch (exception& e) {
 432                         error_dialog (
 433                                 this,
 434                                 wxString::Format (
 435                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 436                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 437                                         )
 438                                 );
 439                 }
 440
 441                 for (int i = 0; i < _history_items; ++i) {
 442                         delete _file_menu->Remove (ID_file_history + i);
 443                 }
 444
 445                 if (_history_separator) {
 446                         _file_menu->Remove (_history_separator);
 447                 }
 448                 delete _history_separator;
 449                 _history_separator = 0;
 450
 451                 int pos = _history_position;
 452
 453                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 454
 455                 if (!history.empty ()) {
 456                         _history_separator = _file_menu->InsertSeparator (pos++);
 457                 }
 458
 459                 for (size_t i = 0; i < history.size(); ++i) {
 460                         string s;
 461                         if (i < 9) {
 462                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 463                         } else {
 464                                 s = history[i].string();
 465                         }
 466                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 467                 }
 468
 469                 _history_items = history.size ();
 470         }
 471
 472         void set_menu_sensitivity ()
 473         {
 474                 _file_add_ov->Enable (static_cast<bool>(_film));
 475                 _file_add_kdm->Enable (static_cast<bool>(_film));
 476         }
 477
 478         bool _update_news_requested;
 479         PlayerInformation* _info;
 480         wxPreferencesEditor* _config_dialog;
 481         wxMenu* _file_menu;
 482         int _history_items;
 483         int _history_position;
 484         wxMenuItem* _history_separator;
 485         FilmViewer* _viewer;
 486         boost::shared_ptr<Film> _film;
 487         boost::signals2::scoped_connection _config_changed_connection;
 488         wxMenuItem* _file_add_ov;
 489         wxMenuItem* _file_add_kdm;
 490 };
 491
 492 static const wxCmdLineEntryDesc command_line_description[] = {
 493         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 494         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 495 };
 496
 497 /** @class App
 498  *  @brief The magic App class for wxWidgets.
 499  */
 500 class App : public wxApp
 501 {
 502 public:
 503         App ()
 504                 : wxApp ()
 505                 , _frame (0)
 506         {}
 507
 508 private:
 509
 510         bool OnInit ()
 511         try
 512         {
 513                 wxInitAllImageHandlers ();
 514
 515                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 516                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 517
 518                 wxSplashScreen* splash = maybe_show_splash ();
 519
 520                 SetAppName (_("DCP-o-matic Player"));
 521
 522                 if (!wxApp::OnInit()) {
 523                         return false;
 524                 }
 525
 526 #ifdef DCPOMATIC_LINUX
 527                 unsetenv ("UBUNTU_MENUPROXY");
 528 #endif
 529
 530 #ifdef __WXOSX__
 531                 ProcessSerialNumber serial;
 532                 GetCurrentProcess (&serial);
 533                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 534 #endif
 535
 536                 dcpomatic_setup_path_encoding ();
 537
 538                 /* Enable i18n; this will create a Config object
 539                    to look for a force-configured language.  This Config
 540                    object will be wrong, however, because dcpomatic_setup
 541                    hasn't yet been called and there aren't any filters etc.
 542                    set up yet.
 543                 */
 544                 dcpomatic_setup_i18n ();
 545
 546                 /* Set things up, including filters etc.
 547                    which will now be internationalised correctly.
 548                 */
 549                 dcpomatic_setup ();
 550
 551                 /* Force the configuration to be re-loaded correctly next
 552                    time it is needed.
 553                 */
 554                 Config::drop ();
 555
 556                 _frame = new DOMFrame ();
 557                 SetTopWindow (_frame);
 558                 _frame->Maximize ();
 559                 if (splash) {
 560                         splash->Destroy ();
 561                 }
 562                 _frame->Show ();
 563
 564                 signal_manager = new wxSignalManager (this);
 565
 566                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
 567                         try {
 568                                 _frame->load_dcp (_dcp_to_load);
 569                         } catch (exception& e) {
 570                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
 571                         }
 572                 }
 573
 574                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 575
 576                 if (Config::instance()->check_for_updates ()) {
 577                         UpdateChecker::instance()->run ();
 578                 }
 579
 580                 return true;
 581         }
 582         catch (exception& e)
 583         {
 584                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
 585                 return true;
 586         }
 587
 588         void OnInitCmdLine (wxCmdLineParser& parser)
 589         {
 590                 parser.SetDesc (command_line_description);
 591                 parser.SetSwitchChars (wxT ("-"));
 592         }
 593
 594         bool OnCmdLineParsed (wxCmdLineParser& parser)
 595         {
 596                 if (parser.GetParamCount() > 0) {
 597                         _dcp_to_load = wx_to_std (parser.GetParam (0));
 598                 }
 599
 600                 return true;
 601         }
 602
 603         void report_exception ()
 604         {
 605                 try {
 606                         throw;
 607                 } catch (FileError& e) {
 608                         error_dialog (
 609                                 0,
 610                                 wxString::Format (
 611                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 612                                         std_to_wx (e.what()),
 613                                         std_to_wx (e.file().string().c_str ())
 614                                         )
 615                                 );
 616                 } catch (exception& e) {
 617                         error_dialog (
 618                                 0,
 619                                 wxString::Format (
 620                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
 621                                         std_to_wx (e.what ())
 622                                         )
 623                                 );
 624                 } catch (...) {
 625                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 626                 }
 627         }
 628
 629         /* An unhandled exception has occurred inside the main event loop */
 630         bool OnExceptionInMainLoop ()
 631         {
 632                 report_exception ();
 633                 /* This will terminate the program */
 634                 return false;
 635         }
 636
 637         void OnUnhandledException ()
 638         {
 639                 report_exception ();
 640         }
 641
 642         void idle ()
 643         {
 644                 signal_manager->ui_idle ();
 645         }
 646
 647         void config_failed_to_load ()
 648         {
 649                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 650         }
 651
 652         void config_warning (string m)
 653         {
 654                 message_dialog (_frame, std_to_wx (m));
 655         }
 656
 657         DOMFrame* _frame;
 658         string _dcp_to_load;
 659 };
 660
 661 IMPLEMENT_APP (App)