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 "lib/verify_dcp_job.h"
  33 #include "wx/wx_signal_manager.h"
  34 #include "wx/wx_util.h"
  35 #include "wx/about_dialog.h"
  36 #include "wx/report_problem_dialog.h"
  37 #include "wx/film_viewer.h"
  38 #include "wx/player_information.h"
  39 #include "wx/update_dialog.h"
  40 #include "wx/player_config_dialog.h"
  41 #include "wx/verify_dcp_dialog.h"
  42 #include <wx/wx.h>
  43 #include <wx/stdpaths.h>
  44 #include <wx/splash.h>
  45 #include <wx/cmdline.h>
  46 #include <wx/preferences.h>
  47 #include <wx/progdlg.h>
  48 #ifdef __WXOSX__
  49 #include <ApplicationServices/ApplicationServices.h>
  50 #endif
  51 #include <boost/bind.hpp>
  52 #include <iostream>
  53
  54 #ifdef check
  55 #undef check
  56 #endif
  57
  58 using std::string;
  59 using std::cout;
  60 using std::exception;
  61 using std::vector;
  62 using boost::shared_ptr;
  63 using boost::optional;
  64 using boost::dynamic_pointer_cast;
  65
  66 enum {
  67         ID_file_open = 1,
  68         ID_file_add_ov,
  69         ID_file_add_kdm,
  70         ID_file_history,
  71         /* Allow spare IDs after _history for the recent files list */
  72         ID_file_close = 100,
  73         ID_view_scale_appropriate,
  74         ID_view_scale_full,
  75         ID_view_scale_half,
  76         ID_view_scale_quarter,
  77         ID_help_report_a_problem,
  78         ID_tools_verify,
  79         ID_tools_check_for_updates,
  80 };
  81
  82 class DOMFrame : public wxFrame
  83 {
  84 public:
  85         DOMFrame ()
  86                 : wxFrame (0, -1, _("DCP-o-matic Player"))
  87                 , _update_news_requested (false)
  88                 , _info (0)
  89                 , _config_dialog (0)
  90                 , _file_menu (0)
  91                 , _history_items (0)
  92                 , _history_position (0)
  93                 , _history_separator (0)
  94                 , _viewer (0)
  95         {
  96
  97 #if defined(DCPOMATIC_WINDOWS)
  98                 maybe_open_console ();
  99                 cout << "DCP-o-matic Player is starting." << "\n";
 100 #endif
 101
 102                 wxMenuBar* bar = new wxMenuBar;
 103                 setup_menu (bar);
 104                 set_menu_sensitivity ();
 105                 SetMenuBar (bar);
 106
 107 #ifdef DCPOMATIC_WINDOWS
 108                 SetIcon (wxIcon (std_to_wx ("id")));
 109 #endif
 110
 111                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this));
 112                 config_changed ();
 113
 114                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 115                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 116                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 117                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 118                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 119                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 120                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 121                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>()), ID_view_scale_appropriate);
 122                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 123                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 124                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 125                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 126                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 127                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 128                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 129
 130                 /* Use a panel as the only child of the Frame so that we avoid
 131                    the dark-grey background on Windows.
 132                 */
 133                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 134
 135                 _viewer = new FilmViewer (overall_panel, false, false);
 136                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 137                 _info = new PlayerInformation (overall_panel, _viewer);
 138                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 139                 main_sizer->Add (_viewer, 1, wxEXPAND | wxALL, 6);
 140                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 141                 overall_panel->SetSizer (main_sizer);
 142
 143 #ifdef __WXOSX__
 144                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[1];
 145                 accel[0].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 146                 wxAcceleratorTable accel_table (1, accel);
 147                 SetAcceleratorTable (accel_table);
 148                 delete[] accel;
 149 #endif
 150
 151                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 152         }
 153
 154         void set_decode_reduction (optional<int> reduction)
 155         {
 156                 _viewer->set_dcp_decode_reduction (reduction);
 157                 _info->triggered_update ();
 158                 Config::instance()->set_decode_reduction (reduction);
 159         }
 160
 161         void load_dcp (boost::filesystem::path dir)
 162         {
 163                 _film.reset (new Film (optional<boost::filesystem::path>()));
 164                 shared_ptr<DCPContent> dcp;
 165                 try {
 166                         dcp.reset (new DCPContent (_film, dir));
 167                 } catch (boost::filesystem::filesystem_error& e) {
 168                         error_dialog (this, _("Could not load DCP"), std_to_wx (e.what()));
 169                         return;
 170                 }
 171
 172                 _film->examine_and_add_content (dcp, true);
 173
 174                 JobManager* jm = JobManager::instance ();
 175
 176                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), _("Loading DCP"));
 177
 178                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 179                         dcpomatic_sleep (1);
 180                         progress->Pulse ();
 181                 }
 182
 183                 progress->Destroy ();
 184
 185                 DCPOMATIC_ASSERT (!jm->get().empty());
 186
 187                 shared_ptr<Job> last = jm->get().back();
 188                 if (last->finished_in_error()) {
 189                         error_dialog(this, std_to_wx(last->error_summary()) + ".\n", std_to_wx(last->error_details()));
 190                         return;
 191                 }
 192
 193                 if (dcp->subtitle) {
 194                         dcp->subtitle->set_use (true);
 195                 }
 196
 197                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 198                 if (r) {
 199                         _film->set_container(r);
 200                 }
 201
 202                 _viewer->set_film (_film);
 203                 _viewer->set_position (DCPTime ());
 204                 _info->triggered_update ();
 205
 206                 Config::instance()->add_to_player_history (dir);
 207
 208                 set_menu_sensitivity ();
 209         }
 210
 211 private:
 212
 213         void setup_menu (wxMenuBar* m)
 214         {
 215                 _file_menu = new wxMenu;
 216                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 217                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 218                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 219
 220                 _history_position = _file_menu->GetMenuItems().GetCount();
 221
 222                 _file_menu->AppendSeparator ();
 223                 _file_menu->Append (ID_file_close, _("&Close"));
 224                 _file_menu->AppendSeparator ();
 225
 226 #ifdef __WXOSX__
 227                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 228 #else
 229                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 230 #endif
 231
 232 #ifdef __WXOSX__
 233                 _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 234 #else
 235                 wxMenu* edit = new wxMenu;
 236                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 237 #endif
 238
 239                 wxMenu* view = new wxMenu;
 240                 optional<int> c = Config::instance()->decode_reduction();
 241                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 242                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 243                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 244                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 245
 246                 wxMenu* tools = new wxMenu;
 247                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 248                 tools->AppendSeparator ();
 249                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 250
 251                 wxMenu* help = new wxMenu;
 252 #ifdef __WXOSX__
 253                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 254 #else
 255                 help->Append (wxID_ABOUT, _("About"));
 256 #endif
 257                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 258
 259                 m->Append (_file_menu, _("&File"));
 260 #ifndef __WXOSX__
 261                 m->Append (edit, _("&Edit"));
 262 #endif
 263                 m->Append (view, _("&View"));
 264                 m->Append (tools, _("&Tools"));
 265                 m->Append (help, _("&Help"));
 266         }
 267
 268         void file_open ()
 269         {
 270                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 271                 if (Config::instance()->last_player_load_directory()) {
 272                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 273                 }
 274
 275                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 276
 277                 int r;
 278                 while (true) {
 279                         r = c->ShowModal ();
 280                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 281                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 282                         } else {
 283                                 break;
 284                         }
 285                 }
 286
 287                 if (r == wxID_OK) {
 288                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 289                         load_dcp (dcp);
 290                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 291                 }
 292
 293                 c->Destroy ();
 294         }
 295
 296         void file_add_ov ()
 297         {
 298                 wxDirDialog* c = new wxDirDialog (
 299                         this,
 300                         _("Select DCP to open as OV"),
 301                         wxStandardPaths::Get().GetDocumentsDir(),
 302                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 303                         );
 304
 305                 int r;
 306                 while (true) {
 307                         r = c->ShowModal ();
 308                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 309                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 310                         } else {
 311                                 break;
 312                         }
 313                 }
 314
 315                 if (r == wxID_OK) {
 316                         DCPOMATIC_ASSERT (_film);
 317                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 318                         DCPOMATIC_ASSERT (dcp);
 319                         dcp->add_ov (wx_to_std(c->GetPath()));
 320                         dcp->examine (shared_ptr<Job>());
 321                         /* Maybe we just gained some subtitles */
 322                         if (dcp->subtitle) {
 323                                 dcp->subtitle->set_use (true);
 324                         }
 325                 }
 326
 327                 c->Destroy ();
 328                 _info->triggered_update ();
 329         }
 330
 331         void file_add_kdm ()
 332         {
 333                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 334
 335                 if (d->ShowModal() == wxID_OK) {
 336                         DCPOMATIC_ASSERT (_film);
 337                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 338                         DCPOMATIC_ASSERT (dcp);
 339                         try {
 340                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 341                                 dcp->examine (shared_ptr<Job>());
 342                         } catch (exception& e) {
 343                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 344                                 d->Destroy ();
 345                                 return;
 346                         }
 347                 }
 348
 349                 d->Destroy ();
 350                 _info->triggered_update ();
 351         }
 352
 353         void file_history (wxCommandEvent& event)
 354         {
 355                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 356                 int n = event.GetId() - ID_file_history;
 357                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 358                         load_dcp (history[n]);
 359                 }
 360         }
 361
 362         void file_close ()
 363         {
 364                 _viewer->set_film (shared_ptr<Film>());
 365                 _film.reset ();
 366                 _info->triggered_update ();
 367                 set_menu_sensitivity ();
 368         }
 369
 370         void file_exit ()
 371         {
 372                 Close ();
 373         }
 374
 375         void edit_preferences ()
 376         {
 377                 if (!_config_dialog) {
 378                         _config_dialog = create_player_config_dialog ();
 379                 }
 380                 _config_dialog->Show (this);
 381         }
 382
 383         void tools_verify ()
 384         {
 385                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 386                 DCPOMATIC_ASSERT (dcp);
 387
 388                 JobManager* jm = JobManager::instance ();
 389                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 390
 391                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), _("Verifying DCP"));
 392
 393                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 394                         dcpomatic_sleep (1);
 395                         progress->Pulse ();
 396                 }
 397
 398                 progress->Destroy ();
 399
 400                 DCPOMATIC_ASSERT (!jm->get().empty());
 401                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 402                 DCPOMATIC_ASSERT (last);
 403
 404                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last->notes ());
 405                 d->ShowModal ();
 406                 d->Destroy ();
 407         }
 408
 409         void tools_check_for_updates ()
 410         {
 411                 UpdateChecker::instance()->run ();
 412                 _update_news_requested = true;
 413         }
 414
 415         void help_about ()
 416         {
 417                 AboutDialog* d = new AboutDialog (this);
 418                 d->ShowModal ();
 419                 d->Destroy ();
 420         }
 421
 422         void help_report_a_problem ()
 423         {
 424                 ReportProblemDialog* d = new ReportProblemDialog (this);
 425                 if (d->ShowModal () == wxID_OK) {
 426                         d->report ();
 427                 }
 428                 d->Destroy ();
 429         }
 430
 431         void update_checker_state_changed ()
 432         {
 433                 UpdateChecker* uc = UpdateChecker::instance ();
 434
 435                 bool const announce =
 436                         _update_news_requested ||
 437                         (uc->stable() && Config::instance()->check_for_updates()) ||
 438                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 439
 440                 _update_news_requested = false;
 441
 442                 if (!announce) {
 443                         return;
 444                 }
 445
 446                 if (uc->state() == UpdateChecker::YES) {
 447                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 448                         dialog->ShowModal ();
 449                         dialog->Destroy ();
 450                 } else if (uc->state() == UpdateChecker::FAILED) {
 451                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 452                 } else {
 453                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 454                 }
 455
 456                 _update_news_requested = false;
 457         }
 458
 459         void config_changed ()
 460         {
 461                 /* Instantly save any config changes when using the player GUI */
 462                 try {
 463                         Config::instance()->write_config();
 464                 } catch (exception& e) {
 465                         error_dialog (
 466                                 this,
 467                                 wxString::Format (
 468                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 469                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 470                                         )
 471                                 );
 472                 }
 473
 474                 for (int i = 0; i < _history_items; ++i) {
 475                         delete _file_menu->Remove (ID_file_history + i);
 476                 }
 477
 478                 if (_history_separator) {
 479                         _file_menu->Remove (_history_separator);
 480                 }
 481                 delete _history_separator;
 482                 _history_separator = 0;
 483
 484                 int pos = _history_position;
 485
 486                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 487
 488                 if (!history.empty ()) {
 489                         _history_separator = _file_menu->InsertSeparator (pos++);
 490                 }
 491
 492                 for (size_t i = 0; i < history.size(); ++i) {
 493                         string s;
 494                         if (i < 9) {
 495                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 496                         } else {
 497                                 s = history[i].string();
 498                         }
 499                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 500                 }
 501
 502                 _history_items = history.size ();
 503         }
 504
 505         void set_menu_sensitivity ()
 506         {
 507                 _tools_verify->Enable (static_cast<bool>(_film));
 508                 _file_add_ov->Enable (static_cast<bool>(_film));
 509                 _file_add_kdm->Enable (static_cast<bool>(_film));
 510         }
 511
 512         bool _update_news_requested;
 513         PlayerInformation* _info;
 514         wxPreferencesEditor* _config_dialog;
 515         wxMenu* _file_menu;
 516         int _history_items;
 517         int _history_position;
 518         wxMenuItem* _history_separator;
 519         FilmViewer* _viewer;
 520         boost::shared_ptr<Film> _film;
 521         boost::signals2::scoped_connection _config_changed_connection;
 522         wxMenuItem* _file_add_ov;
 523         wxMenuItem* _file_add_kdm;
 524         wxMenuItem* _tools_verify;
 525 };
 526
 527 static const wxCmdLineEntryDesc command_line_description[] = {
 528         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 529         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 530 };
 531
 532 /** @class App
 533  *  @brief The magic App class for wxWidgets.
 534  */
 535 class App : public wxApp
 536 {
 537 public:
 538         App ()
 539                 : wxApp ()
 540                 , _frame (0)
 541         {}
 542
 543 private:
 544
 545         bool OnInit ()
 546         try
 547         {
 548                 wxInitAllImageHandlers ();
 549
 550                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 551                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 552
 553                 wxSplashScreen* splash = maybe_show_splash ();
 554
 555                 SetAppName (_("DCP-o-matic Player"));
 556
 557                 if (!wxApp::OnInit()) {
 558                         return false;
 559                 }
 560
 561 #ifdef DCPOMATIC_LINUX
 562                 unsetenv ("UBUNTU_MENUPROXY");
 563 #endif
 564
 565 #ifdef __WXOSX__
 566                 ProcessSerialNumber serial;
 567                 GetCurrentProcess (&serial);
 568                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 569 #endif
 570
 571                 dcpomatic_setup_path_encoding ();
 572
 573                 /* Enable i18n; this will create a Config object
 574                    to look for a force-configured language.  This Config
 575                    object will be wrong, however, because dcpomatic_setup
 576                    hasn't yet been called and there aren't any filters etc.
 577                    set up yet.
 578                 */
 579                 dcpomatic_setup_i18n ();
 580
 581                 /* Set things up, including filters etc.
 582                    which will now be internationalised correctly.
 583                 */
 584                 dcpomatic_setup ();
 585
 586                 /* Force the configuration to be re-loaded correctly next
 587                    time it is needed.
 588                 */
 589                 Config::drop ();
 590
 591                 _frame = new DOMFrame ();
 592                 SetTopWindow (_frame);
 593                 _frame->Maximize ();
 594                 if (splash) {
 595                         splash->Destroy ();
 596                 }
 597                 _frame->Show ();
 598
 599                 signal_manager = new wxSignalManager (this);
 600
 601                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
 602                         try {
 603                                 _frame->load_dcp (_dcp_to_load);
 604                         } catch (exception& e) {
 605                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
 606                         }
 607                 }
 608
 609                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 610
 611                 if (Config::instance()->check_for_updates ()) {
 612                         UpdateChecker::instance()->run ();
 613                 }
 614
 615                 return true;
 616         }
 617         catch (exception& e)
 618         {
 619                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
 620                 return true;
 621         }
 622
 623         void OnInitCmdLine (wxCmdLineParser& parser)
 624         {
 625                 parser.SetDesc (command_line_description);
 626                 parser.SetSwitchChars (wxT ("-"));
 627         }
 628
 629         bool OnCmdLineParsed (wxCmdLineParser& parser)
 630         {
 631                 if (parser.GetParamCount() > 0) {
 632                         _dcp_to_load = wx_to_std (parser.GetParam (0));
 633                 }
 634
 635                 return true;
 636         }
 637
 638         void report_exception ()
 639         {
 640                 try {
 641                         throw;
 642                 } catch (FileError& e) {
 643                         error_dialog (
 644                                 0,
 645                                 wxString::Format (
 646                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 647                                         std_to_wx (e.what()),
 648                                         std_to_wx (e.file().string().c_str ())
 649                                         )
 650                                 );
 651                 } catch (exception& e) {
 652                         error_dialog (
 653                                 0,
 654                                 wxString::Format (
 655                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
 656                                         std_to_wx (e.what ())
 657                                         )
 658                                 );
 659                 } catch (...) {
 660                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 661                 }
 662         }
 663
 664         /* An unhandled exception has occurred inside the main event loop */
 665         bool OnExceptionInMainLoop ()
 666         {
 667                 report_exception ();
 668                 /* This will terminate the program */
 669                 return false;
 670         }
 671
 672         void OnUnhandledException ()
 673         {
 674                 report_exception ();
 675         }
 676
 677         void idle ()
 678         {
 679                 signal_manager->ui_idle ();
 680         }
 681
 682         void config_failed_to_load ()
 683         {
 684                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 685         }
 686
 687         void config_warning (string m)
 688         {
 689                 message_dialog (_frame, std_to_wx (m));
 690         }
 691
 692         DOMFrame* _frame;
 693         string _dcp_to_load;
 694 };
 695
 696 IMPLEMENT_APP (App)