src/tools/dcpomatic_kdm.cc

   1 /*
   2     Copyright (C) 2015-2017 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/config_dialog.h"
  22 #include "wx/about_dialog.h"
  23 #include "wx/report_problem_dialog.h"
  24 #include "wx/file_picker_ctrl.h"
  25 #include "wx/wx_util.h"
  26 #include "wx/wx_signal_manager.h"
  27 #include "wx/screens_panel.h"
  28 #include "wx/kdm_timing_panel.h"
  29 #include "wx/kdm_output_panel.h"
  30 #include "wx/job_view_dialog.h"
  31 #include "wx/file_dialog_wrapper.h"
  32 #include "wx/new_dkdm_folder_dialog.h"
  33 #include "wx/editable_list.h"
  34 #include "lib/config.h"
  35 #include "lib/util.h"
  36 #include "lib/screen.h"
  37 #include "lib/job_manager.h"
  38 #include "lib/screen_kdm.h"
  39 #include "lib/exceptions.h"
  40 #include "lib/cinema_kdms.h"
  41 #include "lib/send_kdm_email_job.h"
  42 #include "lib/compose.hpp"
  43 #include "lib/cinema.h"
  44 #include "lib/dkdm_wrapper.h"
  45 #include <dcp/encrypted_kdm.h>
  46 #include <dcp/decrypted_kdm.h>
  47 #include <dcp/exceptions.h>
  48 #include <wx/wx.h>
  49 #include <wx/preferences.h>
  50 #include <wx/filepicker.h>
  51 #ifdef __WXOSX__
  52 #include <ApplicationServices/ApplicationServices.h>
  53 #endif
  54 #include <boost/bind.hpp>
  55 #include <boost/foreach.hpp>
  56
  57 #ifdef check
  58 #undef check
  59 #endif
  60
  61 using std::exception;
  62 using std::list;
  63 using std::string;
  64 using std::vector;
  65 using std::pair;
  66 using std::map;
  67 using boost::shared_ptr;
  68 using boost::bind;
  69 using boost::optional;
  70 using boost::ref;
  71 using boost::dynamic_pointer_cast;
  72
  73 enum {
  74         ID_help_report_a_problem = 1,
  75 };
  76
  77 class DOMFrame : public wxFrame
  78 {
  79 public:
  80         DOMFrame (wxString const & title)
  81                 : wxFrame (0, -1, title)
  82                 , _config_dialog (0)
  83                 , _job_view (0)
  84         {
  85 #if defined(DCPOMATIC_WINDOWS)
  86                 if (Config::instance()->win32_console ()) {
  87                         AllocConsole();
  88
  89                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
  90                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
  91                         FILE* hf_out = _fdopen(hCrt, "w");
  92                         setvbuf(hf_out, NULL, _IONBF, 1);
  93                         *stdout = *hf_out;
  94
  95                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
  96                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
  97                         FILE* hf_in = _fdopen(hCrt, "r");
  98                         setvbuf(hf_in, NULL, _IONBF, 128);
  99                         *stdin = *hf_in;
 100
 101                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 102                 }
 103 #endif
 104
 105                 wxMenuBar* bar = new wxMenuBar;
 106                 setup_menu (bar);
 107                 SetMenuBar (bar);
 108
 109                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 110                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 111                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 112                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 113
 114                 /* Use a panel as the only child of the Frame so that we avoid
 115                    the dark-grey background on Windows.
 116                 */
 117                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 118                 wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
 119
 120                 wxBoxSizer* horizontal = new wxBoxSizer (wxHORIZONTAL);
 121                 wxBoxSizer* left = new wxBoxSizer (wxVERTICAL);
 122                 wxBoxSizer* right = new wxBoxSizer (wxVERTICAL);
 123
 124                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 125                 horizontal->Add (right, 1, wxEXPAND);
 126
 127                 wxFont subheading_font (*wxNORMAL_FONT);
 128                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 129
 130                 wxStaticText* h = new wxStaticText (overall_panel, wxID_ANY, _("Screens"));
 131                 h->SetFont (subheading_font);
 132                 left->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 133                 _screens = new ScreensPanel (overall_panel);
 134                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 135
 136                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 137                 h = new wxStaticText (overall_panel, wxID_ANY, S_("KDM|Timing"));
 138                 h->SetFont (subheading_font);
 139                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_Y_GAP * 2);
 140                 _timing = new KDMTimingPanel (overall_panel);
 141                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 142
 143                 h = new wxStaticText (overall_panel, wxID_ANY, _("DKDM"));
 144                 h->SetFont (subheading_font);
 145                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 146                 wxBoxSizer* dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 147                 _dkdm = new wxTreeCtrl (
 148                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 149                 );
 150                 dkdm_sizer->Add (_dkdm, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 151                 wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 152                 _add_dkdm = new wxButton (overall_panel, wxID_ANY, _("Add..."));
 153                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 154                 _add_dkdm_folder = new wxButton (overall_panel, wxID_ANY, _("Add folder..."));
 155                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 156                 _remove_dkdm = new wxButton (overall_panel, wxID_ANY, _("Remove"));
 157                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 158                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 159                 right->Add (dkdm_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 160
 161                 _dkdm_id[_dkdm->AddRoot("root")] = Config::instance()->dkdms();
 162                 add_dkdm_view (Config::instance()->dkdms(), shared_ptr<DKDMGroup> ());
 163
 164                 h = new wxStaticText (overall_panel, wxID_ANY, _("Output"));
 165                 h->SetFont (subheading_font);
 166                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 167                 /* XXX: hard-coded non-interop here */
 168                 _output = new KDMOutputPanel (overall_panel, false);
 169                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 170
 171                 _create = new wxButton (overall_panel, wxID_ANY, _("Create KDMs"));
 172                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 173
 174                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 175                 overall_panel->SetSizer (main_sizer);
 176
 177                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 178                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 179
 180                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 181                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 182                 _dkdm->Bind (wxEVT_TREE_SEL_CHANGED, boost::bind (&DOMFrame::setup_sensitivity, this));
 183                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 184                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 185                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 186
 187                 setup_sensitivity ();
 188         }
 189
 190 private:
 191         void file_exit ()
 192         {
 193                 /* false here allows the close handler to veto the close request */
 194                 Close (false);
 195         }
 196
 197         void edit_preferences ()
 198         {
 199                 if (!_config_dialog) {
 200                         _config_dialog = create_config_dialog ();
 201                 }
 202                 _config_dialog->Show (this);
 203         }
 204
 205         void help_about ()
 206         {
 207                 AboutDialog* d = new AboutDialog (this);
 208                 d->ShowModal ();
 209                 d->Destroy ();
 210         }
 211
 212         void help_report_a_problem ()
 213         {
 214                 ReportProblemDialog* d = new ReportProblemDialog (this, shared_ptr<Film> ());
 215                 if (d->ShowModal () == wxID_OK) {
 216                         d->report ();
 217                 }
 218                 d->Destroy ();
 219         }
 220
 221         void setup_menu (wxMenuBar* m)
 222         {
 223                 wxMenu* file = new wxMenu;
 224
 225 #ifdef __WXOSX__
 226                 file->Append (wxID_EXIT, _("&Exit"));
 227 #else
 228                 file->Append (wxID_EXIT, _("&Quit"));
 229 #endif
 230
 231 #ifdef __WXOSX__
 232                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 233 #else
 234                 wxMenu* edit = new wxMenu;
 235                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 236 #endif
 237
 238                 wxMenu* help = new wxMenu;
 239 #ifdef __WXOSX__
 240                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 241 #else
 242                 help->Append (wxID_ABOUT, _("About"));
 243 #endif
 244                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 245
 246                 m->Append (file, _("&File"));
 247 #ifndef __WXOSX__
 248                 m->Append (edit, _("&Edit"));
 249 #endif
 250                 m->Append (help, _("&Help"));
 251         }
 252
 253         bool confirm_overwrite (boost::filesystem::path path)
 254         {
 255                 return confirm_dialog (
 256                         this,
 257                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 258                         );
 259         }
 260
 261         /** @id if not 0 this is filled in with the wxTreeItemId of the selection */
 262         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = 0) const
 263         {
 264                 wxArrayTreeItemIds selections;
 265                 _dkdm->GetSelections (selections);
 266                 if (selections.GetCount() != 1) {
 267                         if (id) {
 268                                 *id = 0;
 269                         }
 270                         return shared_ptr<DKDMBase> ();
 271                 }
 272
 273                 if (id) {
 274                         *id = selections[0];
 275                 }
 276
 277                 DKDMMap::const_iterator i = _dkdm_id.find (selections[0]);
 278                 if (i == _dkdm_id.end()) {
 279                         return shared_ptr<DKDMBase> ();
 280                 }
 281
 282                 return i->second;
 283         }
 284
 285         void create_kdms ()
 286         {
 287                 try {
 288                         shared_ptr<DKDMBase> dkdm_base = selected_dkdm ();
 289                         if (!dkdm_base) {
 290                                 return;
 291                         }
 292                         shared_ptr<DKDM> dkdm = boost::dynamic_pointer_cast<DKDM> (dkdm_base);
 293                         if (!dkdm) {
 294                                 return;
 295                         }
 296
 297                         /* Decrypt the DKDM */
 298                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 299
 300                         /* This is the signer for our new KDMs */
 301                         shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
 302                         if (!signer->valid ()) {
 303                                 throw InvalidSignerError ();
 304                         }
 305
 306                         list<ScreenKDM> screen_kdms;
 307                         BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
 308
 309                                 if (!i->recipient) {
 310                                         continue;
 311                                 }
 312
 313                                 /* Make an empty KDM */
 314                                 dcp::DecryptedKDM kdm (
 315                                         dcp::LocalTime (_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 316                                         dcp::LocalTime (_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 317                                         decrypted.annotation_text().get_value_or (""),
 318                                         decrypted.content_title_text(),
 319                                         dcp::LocalTime().as_string()
 320                                         );
 321
 322                                 /* Add keys from the DKDM */
 323                                 BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted.keys()) {
 324                                         kdm.add_key (j);
 325                                 }
 326
 327                                 /* Encrypt */
 328                                 screen_kdms.push_back (ScreenKDM (i, kdm.encrypt (signer, i->recipient.get(), i->trusted_devices, _output->formulation())));
 329                         }
 330
 331                         pair<shared_ptr<Job>, int> result = _output->make (
 332                                 screen_kdms, decrypted.content_title_text(), _timing, bind (&DOMFrame::confirm_overwrite, this, _1), shared_ptr<Log> ()
 333                                 );
 334
 335                         if (result.first) {
 336                                 JobManager::instance()->add (result.first);
 337                                 if (_job_view) {
 338                                         _job_view->Destroy ();
 339                                         _job_view = 0;
 340                                 }
 341                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 342                                 _job_view->ShowModal ();
 343                         }
 344
 345                         if (result.second > 0) {
 346                                 /* XXX: proper plural form support in wxWidgets? */
 347                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 348                                 message_dialog (
 349                                         this,
 350                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 351                                         );
 352                         }
 353                 } catch (dcp::NotEncryptedError& e) {
 354                         error_dialog (this, _("CPL's content is not encrypted."));
 355                 } catch (exception& e) {
 356                         error_dialog (this, e.what ());
 357                 } catch (...) {
 358                         error_dialog (this, _("An unknown exception occurred."));
 359                 }
 360         }
 361
 362         void setup_sensitivity ()
 363         {
 364                 _screens->setup_sensitivity ();
 365                 _output->setup_sensitivity ();
 366                 wxArrayTreeItemIds sel;
 367                 _dkdm->GetSelections (sel);
 368                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0);
 369         }
 370
 371         void add_dkdm_clicked ()
 372         {
 373                 wxFileDialog* d = new wxFileDialog (this, _("Select DKDM file"));
 374                 if (d->ShowModal() == wxID_OK) {
 375                         shared_ptr<DKDMBase> new_dkdm (new DKDM (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE))));
 376                         shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 377                         if (!group) {
 378                                 group = Config::instance()->dkdms ();
 379                         }
 380                         add_dkdm_model (new_dkdm, group);
 381                         add_dkdm_view (new_dkdm, group);
 382                 }
 383                 d->Destroy ();
 384         }
 385
 386         void add_dkdm_folder_clicked ()
 387         {
 388                 NewDKDMFolderDialog* d = new NewDKDMFolderDialog (this);
 389                 if (d->ShowModal() == wxID_OK) {
 390                         shared_ptr<DKDMBase> new_dkdm (new DKDMGroup (wx_to_std (d->get ())));
 391                         shared_ptr<DKDMGroup> parent = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 392                         if (!parent) {
 393                                 parent = Config::instance()->dkdms ();
 394                         }
 395                         add_dkdm_model (new_dkdm, parent);
 396                         add_dkdm_view (new_dkdm, parent);
 397                 }
 398                 d->Destroy ();
 399         }
 400
 401         /** @param dkdm Thing to add.
 402          *  @param parent Parent group, or 0.
 403          */
 404         void add_dkdm_view (shared_ptr<DKDMBase> base, shared_ptr<DKDMGroup> parent)
 405         {
 406                 if (!parent) {
 407                         /* This is the root group */
 408                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 409                 } else {
 410                         /* Add base to the view */
 411                         _dkdm_id[_dkdm->AppendItem(dkdm_to_id(parent), std_to_wx(base->name()))] = base;
 412                 }
 413
 414                 /* Add children */
 415                 shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup> (base);
 416                 if (g) {
 417                         BOOST_FOREACH (shared_ptr<DKDMBase> i, g->children()) {
 418                                 add_dkdm_view (i, g);
 419                         }
 420                 }
 421         }
 422
 423         /** @param group Group to add dkdm to */
 424         void add_dkdm_model (shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group)
 425         {
 426                 group->add (dkdm);
 427                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 428                    This isn't nice.
 429                 */
 430                 Config::instance()->changed ();
 431         }
 432
 433         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 434         {
 435                 for (DKDMMap::iterator i = _dkdm_id.begin(); i != _dkdm_id.end(); ++i) {
 436                         if (i->second == dkdm) {
 437                                 return i->first;
 438                         }
 439                 }
 440                 DCPOMATIC_ASSERT (false);
 441         }
 442
 443         void remove_dkdm_clicked ()
 444         {
 445                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 446                 if (!removed) {
 447                         return;
 448                 }
 449
 450                 _dkdm->Delete (dkdm_to_id (removed));
 451                 shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
 452                 dkdms->remove (removed);
 453                 Config::instance()->changed ();
 454         }
 455
 456         wxPreferencesEditor* _config_dialog;
 457         ScreensPanel* _screens;
 458         KDMTimingPanel* _timing;
 459         wxTreeCtrl* _dkdm;
 460         typedef std::map<wxTreeItemId, boost::shared_ptr<DKDMBase> > DKDMMap;
 461         DKDMMap _dkdm_id;
 462         wxButton* _add_dkdm;
 463         wxButton* _add_dkdm_folder;
 464         wxButton* _remove_dkdm;
 465         wxButton* _create;
 466         KDMOutputPanel* _output;
 467         JobViewDialog* _job_view;
 468 };
 469
 470 /** @class App
 471  *  @brief The magic App class for wxWidgets.
 472  */
 473 class App : public wxApp
 474 {
 475 public:
 476         App ()
 477                 : wxApp ()
 478                 , _frame (0)
 479         {}
 480
 481 private:
 482
 483         bool OnInit ()
 484         try
 485         {
 486                 wxInitAllImageHandlers ();
 487
 488                 SetAppName (_("DCP-o-matic KDM Creator"));
 489
 490                 if (!wxApp::OnInit()) {
 491                         return false;
 492                 }
 493
 494 #ifdef DCPOMATIC_LINUX
 495                 unsetenv ("UBUNTU_MENUPROXY");
 496 #endif
 497
 498 #ifdef __WXOSX__
 499                 ProcessSerialNumber serial;
 500                 GetCurrentProcess (&serial);
 501                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 502 #endif
 503
 504                 dcpomatic_setup_path_encoding ();
 505
 506                 /* Enable i18n; this will create a Config object
 507                    to look for a force-configured language.  This Config
 508                    object will be wrong, however, because dcpomatic_setup
 509                    hasn't yet been called and there aren't any filters etc.
 510                    set up yet.
 511                 */
 512                 dcpomatic_setup_i18n ();
 513
 514                 /* Set things up, including filters etc.
 515                    which will now be internationalised correctly.
 516                 */
 517                 dcpomatic_setup ();
 518
 519                 /* Force the configuration to be re-loaded correctly next
 520                    time it is needed.
 521                 */
 522                 Config::drop ();
 523
 524                 _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 525                 SetTopWindow (_frame);
 526                 _frame->Maximize ();
 527                 _frame->Show ();
 528
 529                 signal_manager = new wxSignalManager (this);
 530                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 531
 532                 return true;
 533         }
 534         catch (exception& e)
 535         {
 536                 error_dialog (0, wxString::Format ("DCP-o-matic could not start: %s", e.what ()));
 537                 return true;
 538         }
 539
 540         /* An unhandled exception has occurred inside the main event loop */
 541         bool OnExceptionInMainLoop ()
 542         {
 543                 try {
 544                         throw;
 545                 } catch (FileError& e) {
 546                         error_dialog (
 547                                 0,
 548                                 wxString::Format (
 549                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 550                                         std_to_wx (e.what()),
 551                                         std_to_wx (e.file().string().c_str ())
 552                                         )
 553                                 );
 554                 } catch (exception& e) {
 555                         error_dialog (
 556                                 0,
 557                                 wxString::Format (
 558                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 559                                         std_to_wx (e.what ())
 560                                         )
 561                                 );
 562                 } catch (...) {
 563                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 564                 }
 565
 566                 /* This will terminate the program */
 567                 return false;
 568         }
 569
 570         void OnUnhandledException ()
 571         {
 572                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 573         }
 574
 575         void idle ()
 576         {
 577                 signal_manager->ui_idle ();
 578         }
 579
 580         DOMFrame* _frame;
 581 };
 582
 583 IMPLEMENT_APP (App)