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                 add_dkdm_view (Config::instance()->dkdms(), shared_ptr<DKDMGroup> ());
 162
 163                 h = new wxStaticText (overall_panel, wxID_ANY, _("Output"));
 164                 h->SetFont (subheading_font);
 165                 right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 166                 /* XXX: hard-coded non-interop here */
 167                 _output = new KDMOutputPanel (overall_panel, false);
 168                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 169
 170                 _create = new wxButton (overall_panel, wxID_ANY, _("Create KDMs"));
 171                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 172
 173                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 174                 overall_panel->SetSizer (main_sizer);
 175
 176                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 177                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 178
 179                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 180                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 181                 _dkdm->Bind (wxEVT_TREE_SEL_CHANGED, boost::bind (&DOMFrame::setup_sensitivity, this));
 182                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 183                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 184                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 185
 186                 setup_sensitivity ();
 187         }
 188
 189 private:
 190         void file_exit ()
 191         {
 192                 /* false here allows the close handler to veto the close request */
 193                 Close (false);
 194         }
 195
 196         void edit_preferences ()
 197         {
 198                 if (!_config_dialog) {
 199                         _config_dialog = create_config_dialog ();
 200                 }
 201                 _config_dialog->Show (this);
 202         }
 203
 204         void help_about ()
 205         {
 206                 AboutDialog* d = new AboutDialog (this);
 207                 d->ShowModal ();
 208                 d->Destroy ();
 209         }
 210
 211         void help_report_a_problem ()
 212         {
 213                 ReportProblemDialog* d = new ReportProblemDialog (this, shared_ptr<Film> ());
 214                 if (d->ShowModal () == wxID_OK) {
 215                         d->report ();
 216                 }
 217                 d->Destroy ();
 218         }
 219
 220         void setup_menu (wxMenuBar* m)
 221         {
 222                 wxMenu* file = new wxMenu;
 223
 224 #ifdef __WXOSX__
 225                 file->Append (wxID_EXIT, _("&Exit"));
 226 #else
 227                 file->Append (wxID_EXIT, _("&Quit"));
 228 #endif
 229
 230 #ifdef __WXOSX__
 231                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 232 #else
 233                 wxMenu* edit = new wxMenu;
 234                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 235 #endif
 236
 237                 wxMenu* help = new wxMenu;
 238 #ifdef __WXOSX__
 239                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 240 #else
 241                 help->Append (wxID_ABOUT, _("About"));
 242 #endif
 243                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 244
 245                 m->Append (file, _("&File"));
 246 #ifndef __WXOSX__
 247                 m->Append (edit, _("&Edit"));
 248 #endif
 249                 m->Append (help, _("&Help"));
 250         }
 251
 252         bool confirm_overwrite (boost::filesystem::path path)
 253         {
 254                 return confirm_dialog (
 255                         this,
 256                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 257                         );
 258         }
 259
 260         /** @id if not 0 this is filled in with the wxTreeItemId of the selection */
 261         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = 0) const
 262         {
 263                 wxArrayTreeItemIds selections;
 264                 _dkdm->GetSelections (selections);
 265                 if (selections.GetCount() != 1) {
 266                         if (id) {
 267                                 *id = 0;
 268                         }
 269                         return shared_ptr<DKDMBase> ();
 270                 }
 271
 272                 if (id) {
 273                         *id = selections[0];
 274                 }
 275
 276                 DKDMMap::const_iterator i = _dkdm_id.find (selections[0]);
 277                 if (i == _dkdm_id.end()) {
 278                         return shared_ptr<DKDMBase> ();
 279                 }
 280
 281                 return i->second;
 282         }
 283
 284         void create_kdms ()
 285         {
 286                 try {
 287                         shared_ptr<DKDMBase> dkdm_base = selected_dkdm ();
 288                         if (!dkdm_base) {
 289                                 return;
 290                         }
 291                         shared_ptr<DKDM> dkdm = boost::dynamic_pointer_cast<DKDM> (dkdm_base);
 292                         if (!dkdm) {
 293                                 return;
 294                         }
 295
 296                         /* Decrypt the DKDM */
 297                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 298
 299                         /* This is the signer for our new KDMs */
 300                         shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
 301                         if (!signer->valid ()) {
 302                                 throw InvalidSignerError ();
 303                         }
 304
 305                         list<ScreenKDM> screen_kdms;
 306                         BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
 307
 308                                 if (!i->recipient) {
 309                                         continue;
 310                                 }
 311
 312                                 /* Make an empty KDM */
 313                                 dcp::DecryptedKDM kdm (
 314                                         dcp::LocalTime (_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 315                                         dcp::LocalTime (_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
 316                                         decrypted.annotation_text().get_value_or (""),
 317                                         decrypted.content_title_text(),
 318                                         dcp::LocalTime().as_string()
 319                                         );
 320
 321                                 /* Add keys from the DKDM */
 322                                 BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted.keys()) {
 323                                         kdm.add_key (j);
 324                                 }
 325
 326                                 /* Encrypt */
 327                                 screen_kdms.push_back (ScreenKDM (i, kdm.encrypt (signer, i->recipient.get(), i->trusted_devices, _output->formulation())));
 328                         }
 329
 330                         pair<shared_ptr<Job>, int> result = _output->make (
 331                                 screen_kdms, decrypted.content_title_text(), _timing, bind (&DOMFrame::confirm_overwrite, this, _1), shared_ptr<Log> ()
 332                                 );
 333
 334                         if (result.first) {
 335                                 JobManager::instance()->add (result.first);
 336                                 if (_job_view) {
 337                                         _job_view->Destroy ();
 338                                         _job_view = 0;
 339                                 }
 340                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 341                                 _job_view->ShowModal ();
 342                         }
 343
 344                         if (result.second > 0) {
 345                                 /* XXX: proper plural form support in wxWidgets? */
 346                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 347                                 message_dialog (
 348                                         this,
 349                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 350                                         );
 351                         }
 352                 } catch (dcp::NotEncryptedError& e) {
 353                         error_dialog (this, _("CPL's content is not encrypted."));
 354                 } catch (exception& e) {
 355                         error_dialog (this, e.what ());
 356                 } catch (...) {
 357                         error_dialog (this, _("An unknown exception occurred."));
 358                 }
 359         }
 360
 361         void setup_sensitivity ()
 362         {
 363                 _screens->setup_sensitivity ();
 364                 _output->setup_sensitivity ();
 365                 wxArrayTreeItemIds sel;
 366                 _dkdm->GetSelections (sel);
 367                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0);
 368         }
 369
 370         void add_dkdm_clicked ()
 371         {
 372                 wxFileDialog* d = new wxFileDialog (this, _("Select DKDM file"));
 373                 if (d->ShowModal() == wxID_OK) {
 374                         shared_ptr<DKDMBase> new_dkdm;
 375                         try {
 376                                 new_dkdm.reset (
 377                                         new DKDM (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)))
 378                                         );
 379                         } catch (dcp::KDMFormatError& e) {
 380                                 error_dialog (
 381                                         this,
 382                                         wxString::Format (
 383                                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all.\n\n%s"),
 384                                                 std_to_wx(e.what()).data()
 385                                                 )
 386                                         );
 387                                 return;
 388                         }
 389
 390                         shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 391                         if (!group) {
 392                                 group = Config::instance()->dkdms ();
 393                         }
 394                         add_dkdm_model (new_dkdm, group);
 395                         add_dkdm_view (new_dkdm, group);
 396                 }
 397                 d->Destroy ();
 398         }
 399
 400         void add_dkdm_folder_clicked ()
 401         {
 402                 NewDKDMFolderDialog* d = new NewDKDMFolderDialog (this);
 403                 if (d->ShowModal() == wxID_OK) {
 404                         shared_ptr<DKDMBase> new_dkdm (new DKDMGroup (wx_to_std (d->get ())));
 405                         shared_ptr<DKDMGroup> parent = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
 406                         if (!parent) {
 407                                 parent = Config::instance()->dkdms ();
 408                         }
 409                         add_dkdm_model (new_dkdm, parent);
 410                         add_dkdm_view (new_dkdm, parent);
 411                 }
 412                 d->Destroy ();
 413         }
 414
 415         /** @param dkdm Thing to add.
 416          *  @param parent Parent group, or 0.
 417          */
 418         void add_dkdm_view (shared_ptr<DKDMBase> base, shared_ptr<DKDMGroup> parent)
 419         {
 420                 if (!parent) {
 421                         /* This is the root group */
 422                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 423                 } else {
 424                         /* Add base to the view */
 425                         _dkdm_id[_dkdm->AppendItem(dkdm_to_id(parent), std_to_wx(base->name()))] = base;
 426                 }
 427
 428                 /* Add children */
 429                 shared_ptr<DKDMGroup> g = dynamic_pointer_cast<DKDMGroup> (base);
 430                 if (g) {
 431                         BOOST_FOREACH (shared_ptr<DKDMBase> i, g->children()) {
 432                                 add_dkdm_view (i, g);
 433                         }
 434                 }
 435         }
 436
 437         /** @param group Group to add dkdm to */
 438         void add_dkdm_model (shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group)
 439         {
 440                 group->add (dkdm);
 441                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 442                    This isn't nice.
 443                 */
 444                 Config::instance()->changed ();
 445         }
 446
 447         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 448         {
 449                 for (DKDMMap::iterator i = _dkdm_id.begin(); i != _dkdm_id.end(); ++i) {
 450                         if (i->second == dkdm) {
 451                                 return i->first;
 452                         }
 453                 }
 454                 DCPOMATIC_ASSERT (false);
 455         }
 456
 457         void remove_dkdm_clicked ()
 458         {
 459                 shared_ptr<DKDMBase> removed = selected_dkdm ();
 460                 if (!removed) {
 461                         return;
 462                 }
 463
 464                 _dkdm->Delete (dkdm_to_id (removed));
 465                 shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
 466                 dkdms->remove (removed);
 467                 Config::instance()->changed ();
 468         }
 469
 470         wxPreferencesEditor* _config_dialog;
 471         ScreensPanel* _screens;
 472         KDMTimingPanel* _timing;
 473         wxTreeCtrl* _dkdm;
 474         typedef std::map<wxTreeItemId, boost::shared_ptr<DKDMBase> > DKDMMap;
 475         DKDMMap _dkdm_id;
 476         wxButton* _add_dkdm;
 477         wxButton* _add_dkdm_folder;
 478         wxButton* _remove_dkdm;
 479         wxButton* _create;
 480         KDMOutputPanel* _output;
 481         JobViewDialog* _job_view;
 482 };
 483
 484 /** @class App
 485  *  @brief The magic App class for wxWidgets.
 486  */
 487 class App : public wxApp
 488 {
 489 public:
 490         App ()
 491                 : wxApp ()
 492                 , _frame (0)
 493         {}
 494
 495 private:
 496
 497         bool OnInit ()
 498         try
 499         {
 500                 wxInitAllImageHandlers ();
 501
 502                 SetAppName (_("DCP-o-matic KDM Creator"));
 503
 504                 if (!wxApp::OnInit()) {
 505                         return false;
 506                 }
 507
 508 #ifdef DCPOMATIC_LINUX
 509                 unsetenv ("UBUNTU_MENUPROXY");
 510 #endif
 511
 512 #ifdef __WXOSX__
 513                 ProcessSerialNumber serial;
 514                 GetCurrentProcess (&serial);
 515                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 516 #endif
 517
 518                 dcpomatic_setup_path_encoding ();
 519
 520                 /* Enable i18n; this will create a Config object
 521                    to look for a force-configured language.  This Config
 522                    object will be wrong, however, because dcpomatic_setup
 523                    hasn't yet been called and there aren't any filters etc.
 524                    set up yet.
 525                 */
 526                 dcpomatic_setup_i18n ();
 527
 528                 /* Set things up, including filters etc.
 529                    which will now be internationalised correctly.
 530                 */
 531                 dcpomatic_setup ();
 532
 533                 /* Force the configuration to be re-loaded correctly next
 534                    time it is needed.
 535                 */
 536                 Config::drop ();
 537
 538                 _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 539                 SetTopWindow (_frame);
 540                 _frame->Maximize ();
 541                 _frame->Show ();
 542
 543                 signal_manager = new wxSignalManager (this);
 544                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 545
 546                 return true;
 547         }
 548         catch (exception& e)
 549         {
 550                 error_dialog (0, wxString::Format ("DCP-o-matic could not start: %s", e.what ()));
 551                 return true;
 552         }
 553
 554         /* An unhandled exception has occurred inside the main event loop */
 555         bool OnExceptionInMainLoop ()
 556         {
 557                 try {
 558                         throw;
 559                 } catch (FileError& e) {
 560                         error_dialog (
 561                                 0,
 562                                 wxString::Format (
 563                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 564                                         std_to_wx (e.what()),
 565                                         std_to_wx (e.file().string().c_str ())
 566                                         )
 567                                 );
 568                 } catch (exception& e) {
 569                         error_dialog (
 570                                 0,
 571                                 wxString::Format (
 572                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 573                                         std_to_wx (e.what ())
 574                                         )
 575                                 );
 576                 } catch (...) {
 577                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 578                 }
 579
 580                 /* This will terminate the program */
 581                 return false;
 582         }
 583
 584         void OnUnhandledException ()
 585         {
 586                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 587         }
 588
 589         void idle ()
 590         {
 591                 signal_manager->ui_idle ();
 592         }
 593
 594         DOMFrame* _frame;
 595 };
 596
 597 IMPLEMENT_APP (App)