src/tools/dcpomatic_kdm.cc

   1 /*
   2     Copyright (C) 2015-2021 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
  22 #include "wx/about_dialog.h"
  23 #include "wx/dcpomatic_button.h"
  24 #include "wx/editable_list.h"
  25 #include "wx/file_picker_ctrl.h"
  26 #include "wx/full_config_dialog.h"
  27 #include "wx/job_view_dialog.h"
  28 #include "wx/kdm_output_panel.h"
  29 #include "wx/kdm_timing_panel.h"
  30 #include "wx/nag_dialog.h"
  31 #include "wx/new_dkdm_folder_dialog.h"
  32 #include "wx/report_problem_dialog.h"
  33 #include "wx/screens_panel.h"
  34 #include "wx/static_text.h"
  35 #include "wx/wx_signal_manager.h"
  36 #include "wx/wx_util.h"
  37 #include "lib/cinema.h"
  38 #include "lib/compose.hpp"
  39 #include "lib/config.h"
  40 #include "lib/cross.h"
  41 #include "lib/dcpomatic_log.h"
  42 #include "lib/dkdm_wrapper.h"
  43 #include "lib/exceptions.h"
  44 #include "lib/file_log.h"
  45 #include "lib/job_manager.h"
  46 #include "lib/kdm_with_metadata.h"
  47 #include "lib/screen.h"
  48 #include "lib/send_kdm_email_job.h"
  49 #include "lib/util.h"
  50 #include <dcp/encrypted_kdm.h>
  51 #include <dcp/decrypted_kdm.h>
  52 #include <dcp/exceptions.h>
  53 #include <dcp/warnings.h>
  54 LIBDCP_DISABLE_WARNINGS
  55 #include <wx/filepicker.h>
  56 #include <wx/preferences.h>
  57 #include <wx/splash.h>
  58 #include <wx/treectrl.h>
  59 #include <wx/wx.h>
  60 LIBDCP_ENABLE_WARNINGS
  61 #ifdef __WXOSX__
  62 #include <ApplicationServices/ApplicationServices.h>
  63 #endif
  64 #include <boost/bind/bind.hpp>
  65
  66 #ifdef check
  67 #undef check
  68 #endif
  69
  70
  71 using std::exception;
  72 using std::list;
  73 using std::make_shared;
  74 using std::map;
  75 using std::pair;
  76 using std::shared_ptr;
  77 using std::string;
  78 using std::vector;
  79 using boost::bind;
  80 using boost::optional;
  81 using boost::ref;
  82 using std::dynamic_pointer_cast;
  83 #if BOOST_VERSION >= 106100
  84 using namespace boost::placeholders;
  85 #endif
  86 using namespace dcpomatic;
  87
  88
  89 enum {
  90         ID_help_report_a_problem = 1,
  91 };
  92
  93
  94 class DOMFrame : public wxFrame
  95 {
  96 public:
  97         explicit DOMFrame (wxString const & title)
  98                 : wxFrame (nullptr, -1, title)
  99                 , _config_dialog (nullptr)
 100                 , _job_view (nullptr)
 101         {
 102 #if defined(DCPOMATIC_WINDOWS)
 103                 if (Config::instance()->win32_console ()) {
 104                         AllocConsole();
 105
 106                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 107                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 108                         FILE* hf_out = _fdopen(hCrt, "w");
 109                         setvbuf(hf_out, NULL, _IONBF, 1);
 110                         *stdout = *hf_out;
 111
 112                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 113                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 114                         FILE* hf_in = _fdopen(hCrt, "r");
 115                         setvbuf(hf_in, NULL, _IONBF, 128);
 116                         *stdin = *hf_in;
 117
 118                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 119                 }
 120 #endif
 121
 122                 auto bar = new wxMenuBar;
 123                 setup_menu (bar);
 124                 SetMenuBar (bar);
 125
 126                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 127                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 128                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 129                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 130
 131                 /* Use a panel as the only child of the Frame so that we avoid
 132                    the dark-grey background on Windows.
 133                 */
 134                 auto overall_panel = new wxPanel (this, wxID_ANY);
 135                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 136
 137                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 138                 auto left = new wxBoxSizer (wxVERTICAL);
 139                 auto right = new wxBoxSizer (wxVERTICAL);
 140
 141                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 142                 horizontal->Add (right, 1, wxEXPAND);
 143
 144                 wxFont subheading_font (*wxNORMAL_FONT);
 145                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 146
 147                 auto h = new StaticText (overall_panel, _("Screens"));
 148                 h->SetFont (subheading_font);
 149                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 150                 _screens = new ScreensPanel (overall_panel);
 151                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 152
 153                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 154                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 155                 h->SetFont (subheading_font);
 156                 right->Add (h);
 157                 _timing = new KDMTimingPanel (overall_panel);
 158                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 159
 160                 h = new StaticText (overall_panel, _("DKDM"));
 161                 h->SetFont (subheading_font);
 162                 right->Add (h, 0, wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 163                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 164                 _dkdm = new wxTreeCtrl (
 165                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 166                 );
 167                 dkdm_sizer->Add (_dkdm, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 168                 wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 169                 _add_dkdm = new Button (overall_panel, _("Add..."));
 170                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 171                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 172                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 173                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 174                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 175                 _export_dkdm = new Button (overall_panel, _("Export..."));
 176                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 177                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 178                 right->Add (dkdm_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 179
 180                 add_dkdm_view (Config::instance()->dkdms());
 181
 182                 h = new StaticText (overall_panel, _("Output"));
 183                 h->SetFont (subheading_font);
 184                 right->Add (h, 0, wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 185                 _output = new KDMOutputPanel (overall_panel);
 186                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 187
 188                 _create = new Button (overall_panel, _("Create KDMs"));
 189                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 190
 191                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 192                 overall_panel->SetSizer (main_sizer);
 193
 194                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 195                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 196
 197                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 198                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 199                 _dkdm->Bind (wxEVT_TREE_SEL_CHANGED, boost::bind (&DOMFrame::setup_sensitivity, this));
 200                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 201                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 202                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 203                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 204                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 205                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 206
 207                 setup_sensitivity ();
 208
 209                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 210         }
 211
 212 private:
 213         void file_exit ()
 214         {
 215                 /* false here allows the close handler to veto the close request */
 216                 Close (false);
 217         }
 218
 219         void edit_preferences ()
 220         {
 221                 if (!_config_dialog) {
 222                         _config_dialog = create_full_config_dialog ();
 223                 }
 224                 _config_dialog->Show (this);
 225         }
 226
 227         void help_about ()
 228         {
 229                 auto d = new AboutDialog (this);
 230                 d->ShowModal ();
 231                 d->Destroy ();
 232         }
 233
 234         void help_report_a_problem ()
 235         {
 236                 auto d = new ReportProblemDialog (this, shared_ptr<Film>());
 237                 if (d->ShowModal () == wxID_OK) {
 238                         d->report ();
 239                 }
 240                 d->Destroy ();
 241         }
 242
 243         void setup_menu (wxMenuBar* m)
 244         {
 245                 auto file = new wxMenu;
 246
 247 #ifdef __WXOSX__
 248                 file->Append (wxID_EXIT, _("&Exit"));
 249 #else
 250                 file->Append (wxID_EXIT, _("&Quit"));
 251 #endif
 252
 253 #ifdef __WXOSX__
 254                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 255 #else
 256                 wxMenu* edit = new wxMenu;
 257                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 258 #endif
 259
 260                 wxMenu* help = new wxMenu;
 261 #ifdef __WXOSX__
 262                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 263 #else
 264                 help->Append (wxID_ABOUT, _("About"));
 265 #endif
 266                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 267
 268                 m->Append (file, _("&File"));
 269 #ifndef __WXOSX__
 270                 m->Append (edit, _("&Edit"));
 271 #endif
 272                 m->Append (help, _("&Help"));
 273         }
 274
 275         bool confirm_overwrite (boost::filesystem::path path)
 276         {
 277                 return confirm_dialog (
 278                         this,
 279                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 280                         );
 281         }
 282
 283         /** @id if not 0 this is filled in with the wxTreeItemId of the selection */
 284         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = 0) const
 285         {
 286                 wxArrayTreeItemIds selections;
 287                 _dkdm->GetSelections (selections);
 288                 if (selections.GetCount() != 1) {
 289                         if (id) {
 290                                 *id = 0;
 291                         }
 292                         return shared_ptr<DKDMBase> ();
 293                 }
 294
 295                 if (id) {
 296                         *id = selections[0];
 297                 }
 298
 299                 auto i = _dkdm_id.find (selections[0]);
 300                 if (i == _dkdm_id.end()) {
 301                         return shared_ptr<DKDMBase> ();
 302                 }
 303
 304                 return i->second;
 305         }
 306
 307         void create_kdms ()
 308         {
 309                 try {
 310                         auto dkdm_base = selected_dkdm ();
 311                         if (!dkdm_base) {
 312                                 return;
 313                         }
 314
 315                         list<KDMWithMetadataPtr> kdms;
 316                         string title;
 317
 318                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 319                         if (dkdm) {
 320
 321                                 /* Decrypt the DKDM */
 322                                 dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 323                                 title = decrypted.content_title_text ();
 324
 325                                 /* This is the signer for our new KDMs */
 326                                 auto signer = Config::instance()->signer_chain ();
 327                                 if (!signer->valid ()) {
 328                                         throw InvalidSignerError ();
 329                                 }
 330
 331                                 for (auto i: _screens->screens()) {
 332
 333                                         if (!i->recipient) {
 334                                                 continue;
 335                                         }
 336
 337                                         dcp::LocalTime begin(_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 338                                         dcp::LocalTime end(_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 339
 340                                         /* Make an empty KDM */
 341                                         dcp::DecryptedKDM kdm (
 342                                                 begin,
 343                                                 end,
 344                                                 decrypted.annotation_text().get_value_or (""),
 345                                                 title,
 346                                                 dcp::LocalTime().as_string()
 347                                                 );
 348
 349                                         /* Add keys from the DKDM */
 350                                         for (auto const& j: decrypted.keys()) {
 351                                                 kdm.add_key (j);
 352                                         }
 353
 354                                         auto const encrypted = kdm.encrypt(
 355                                                         signer, i->recipient.get(), i->trusted_device_thumbprints(), _output->formulation(),
 356                                                         !_output->forensic_mark_video(), _output->forensic_mark_audio() ? boost::optional<int>() : 0
 357                                                         );
 358
 359                                         dcp::NameFormat::Map name_values;
 360                                         name_values['c'] = i->cinema->name;
 361                                         name_values['s'] = i->name;
 362                                         name_values['f'] = title;
 363                                         name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
 364                                         name_values['e'] = end.date() + " " + end.time_of_day(true, false);
 365                                         name_values['i'] = encrypted.cpl_id ();
 366
 367                                         /* Encrypt */
 368                                         kdms.push_back (make_shared<KDMWithMetadata>(name_values, i->cinema.get(), i->cinema->emails, encrypted));
 369                                 }
 370                         }
 371
 372                         if (kdms.empty()) {
 373                                 return;
 374                         }
 375
 376                         auto result = _output->make (
 377                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 378                                 );
 379
 380                         if (result.first) {
 381                                 JobManager::instance()->add (result.first);
 382                                 if (_job_view) {
 383                                         _job_view->Destroy ();
 384                                         _job_view = 0;
 385                                 }
 386                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 387                                 _job_view->ShowModal ();
 388                         }
 389
 390                         if (result.second > 0) {
 391                                 /* XXX: proper plural form support in wxWidgets? */
 392                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 393                                 message_dialog (
 394                                         this,
 395                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 396                                         );
 397                         }
 398                 } catch (dcp::NotEncryptedError& e) {
 399                         error_dialog (this, _("CPL's content is not encrypted."));
 400                 } catch (exception& e) {
 401                         error_dialog (this, std_to_wx(e.what()));
 402                 } catch (...) {
 403                         error_dialog (this, _("An unknown exception occurred."));
 404                 }
 405         }
 406
 407         void setup_sensitivity ()
 408         {
 409                 _screens->setup_sensitivity ();
 410                 _output->setup_sensitivity ();
 411                 wxArrayTreeItemIds sel;
 412                 _dkdm->GetSelections (sel);
 413                 auto group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 414                 auto dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 415                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0 && dkdm);
 416                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 417                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 418         }
 419
 420         void dkdm_begin_drag (wxTreeEvent& ev)
 421         {
 422                 ev.Allow ();
 423         }
 424
 425         void dkdm_end_drag (wxTreeEvent& ev)
 426         {
 427                 auto from = _dkdm_id.find (_dkdm->GetSelection ());
 428                 auto to = _dkdm_id.find (ev.GetItem ());
 429                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 430                         return;
 431                 }
 432
 433                 auto group = dynamic_pointer_cast<DKDMGroup> (to->second);
 434                 if (!group) {
 435                         group = to->second->parent();
 436                 }
 437
 438                 DCPOMATIC_ASSERT (group);
 439                 DCPOMATIC_ASSERT (from->second->parent ());
 440
 441                 from->second->parent()->remove (from->second);
 442                 add_dkdm_model (from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 443
 444                 _dkdm->Delete (from->first);
 445                 _dkdm_id.erase (from->first);
 446                 add_dkdm_view (from->second, dynamic_pointer_cast<DKDM>(to->second) ? to->first : optional<wxTreeItemId>());
 447         }
 448
 449         void add_dkdm_clicked ()
 450         {
 451                 auto d = new wxFileDialog (this, _("Select DKDM file"));
 452                 if (d->ShowModal() == wxID_OK) {
 453                         auto chain = Config::instance()->decryption_chain();
 454                         DCPOMATIC_ASSERT (chain->key());
 455
 456                         try {
 457                                 dcp::EncryptedKDM ekdm(dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE));
 458                                 /* Decrypt the DKDM to make sure that we can */
 459                                 dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 460
 461                                 auto new_dkdm = make_shared<DKDM>(ekdm);
 462                                 auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 463                                 if (!group) {
 464                                         group = Config::instance()->dkdms ();
 465                                 }
 466                                 add_dkdm_model (new_dkdm, group);
 467                                 add_dkdm_view (new_dkdm);
 468                         } catch (dcp::KDMFormatError& e) {
 469                                 error_dialog (
 470                                         this,
 471                                         _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 472                                         std_to_wx(e.what())
 473                                         );
 474                                 return;
 475                         } catch (dcp::KDMDecryptionError &) {
 476                                 error_dialog (
 477                                         this,
 478                                         _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 479                                         );
 480                         } catch (dcp::MiscError& e) {
 481                                 error_dialog (
 482                                         this,
 483                                         _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 484                                         std_to_wx(e.what())
 485                                         );
 486                         }
 487                 }
 488                 d->Destroy ();
 489         }
 490
 491         void add_dkdm_folder_clicked ()
 492         {
 493                 auto d = new NewDKDMFolderDialog (this);
 494                 if (d->ShowModal() == wxID_OK) {
 495                         auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(d->get()));
 496                         auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 497                         if (!parent) {
 498                                 parent = Config::instance()->dkdms ();
 499                         }
 500                         add_dkdm_model (new_dkdm, parent);
 501                         add_dkdm_view (new_dkdm);
 502                 }
 503                 d->Destroy ();
 504         }
 505
 506         /** @param dkdm Thing to add.
 507          *  @param parent Parent group, or 0.
 508          */
 509         void add_dkdm_view (shared_ptr<DKDMBase> base, optional<wxTreeItemId> previous = optional<wxTreeItemId>())
 510         {
 511                 if (!base->parent()) {
 512                         /* This is the root group */
 513                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 514                 } else {
 515                         /* Add base to the view */
 516                         wxTreeItemId added;
 517                         if (previous) {
 518                                 added = _dkdm->InsertItem(dkdm_to_id(base->parent()), *previous, std_to_wx(base->name()));
 519                         } else {
 520                                 added = _dkdm->AppendItem(dkdm_to_id(base->parent()), std_to_wx(base->name()));
 521                         }
 522                         _dkdm_id[added] = base;
 523                 }
 524
 525                 /* Add children */
 526                 auto g = dynamic_pointer_cast<DKDMGroup>(base);
 527                 if (g) {
 528                         for (auto i: g->children()) {
 529                                 add_dkdm_view (i);
 530                         }
 531                 }
 532         }
 533
 534         /** @param group Group to add dkdm to */
 535         void add_dkdm_model (shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM> ())
 536         {
 537                 group->add (dkdm, previous);
 538                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 539                    This isn't nice.
 540                 */
 541                 Config::instance()->changed ();
 542         }
 543
 544         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 545         {
 546                 for (auto const& i: _dkdm_id) {
 547                         if (i.second == dkdm) {
 548                                 return i.first;
 549                         }
 550                 }
 551                 DCPOMATIC_ASSERT (false);
 552         }
 553
 554         void remove_dkdm_clicked ()
 555         {
 556                 auto removed = selected_dkdm ();
 557                 if (!removed) {
 558                         return;
 559                 }
 560
 561                 if (NagDialog::maybe_nag (
 562                             this, Config::NAG_DELETE_DKDM,
 563                             _("You are about to remove a DKDM.  This will make it impossible to decrypt the DCP that the DKDM was made for, and it cannot be undone.  "
 564                               "Are you sure?"),
 565                             true)) {
 566                         return;
 567                 }
 568
 569                 _dkdm->Delete (dkdm_to_id (removed));
 570                 auto dkdms = Config::instance()->dkdms ();
 571                 dkdms->remove (removed);
 572                 Config::instance()->changed ();
 573         }
 574
 575         void export_dkdm_clicked ()
 576         {
 577                 auto removed = selected_dkdm ();
 578                 if (!removed) {
 579                         return;
 580                 }
 581
 582                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 583                 if (!dkdm) {
 584                         return;
 585                 }
 586
 587                 auto d = new wxFileDialog (
 588                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 589                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 590                         );
 591
 592                 if (d->ShowModal() == wxID_OK) {
 593                         dkdm->dkdm().as_xml(wx_to_std(d->GetPath()));
 594                 }
 595                 d->Destroy ();
 596         }
 597
 598         wxPreferencesEditor* _config_dialog;
 599         ScreensPanel* _screens;
 600         KDMTimingPanel* _timing;
 601         wxTreeCtrl* _dkdm;
 602         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 603         DKDMMap _dkdm_id;
 604         wxButton* _add_dkdm;
 605         wxButton* _add_dkdm_folder;
 606         wxButton* _remove_dkdm;
 607         wxButton* _export_dkdm;
 608         wxButton* _create;
 609         KDMOutputPanel* _output;
 610         JobViewDialog* _job_view;
 611 };
 612
 613
 614 /** @class App
 615  *  @brief The magic App class for wxWidgets.
 616  */
 617 class App : public wxApp
 618 {
 619 public:
 620         App ()
 621                 : wxApp ()
 622                 , _frame (nullptr)
 623         {}
 624
 625 private:
 626
 627         bool OnInit () override
 628         {
 629                 wxSplashScreen* splash = nullptr;
 630
 631                 try {
 632                         wxInitAllImageHandlers ();
 633
 634                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 635                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 636
 637                         splash = maybe_show_splash ();
 638
 639                         SetAppName (_("DCP-o-matic KDM Creator"));
 640
 641                         if (!wxApp::OnInit()) {
 642                                 return false;
 643                         }
 644
 645 #ifdef DCPOMATIC_LINUX
 646                         unsetenv ("UBUNTU_MENUPROXY");
 647 #endif
 648
 649 #ifdef DCPOMATIC_OSX
 650                         make_foreground_application ();
 651 #endif
 652
 653                         dcpomatic_setup_path_encoding ();
 654
 655                         /* Enable i18n; this will create a Config object
 656                            to look for a force-configured language.  This Config
 657                            object will be wrong, however, because dcpomatic_setup
 658                            hasn't yet been called and there aren't any filters etc.
 659                            set up yet.
 660                         */
 661                         dcpomatic_setup_i18n ();
 662
 663                         /* Set things up, including filters etc.
 664                            which will now be internationalised correctly.
 665                         */
 666                         dcpomatic_setup ();
 667
 668                         /* Force the configuration to be re-loaded correctly next
 669                            time it is needed.
 670                         */
 671                         Config::drop ();
 672
 673                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 674                         SetTopWindow (_frame);
 675                         _frame->Maximize ();
 676                         if (splash) {
 677                                 splash->Destroy ();
 678                                 splash = nullptr;
 679                         }
 680                         _frame->Show ();
 681
 682                         signal_manager = new wxSignalManager (this);
 683                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 684                 }
 685                 catch (exception& e)
 686                 {
 687                         if (splash) {
 688                                 splash->Destroy ();
 689                         }
 690                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 691                 }
 692
 693                 return true;
 694         }
 695
 696         /* An unhandled exception has occurred inside the main event loop */
 697         bool OnExceptionInMainLoop () override
 698         {
 699                 try {
 700                         throw;
 701                 } catch (FileError& e) {
 702                         error_dialog (
 703                                 0,
 704                                 wxString::Format (
 705                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 706                                         std_to_wx (e.what()),
 707                                         std_to_wx (e.file().string().c_str ())
 708                                         )
 709                                 );
 710                 } catch (exception& e) {
 711                         error_dialog (
 712                                 nullptr,
 713                                 wxString::Format (
 714                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 715                                         std_to_wx(e.what())
 716                                         )
 717                                 );
 718                 } catch (...) {
 719                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 720                 }
 721
 722                 /* This will terminate the program */
 723                 return false;
 724         }
 725
 726         void OnUnhandledException () override
 727         {
 728                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 729         }
 730
 731         void idle ()
 732         {
 733                 signal_manager->ui_idle ();
 734         }
 735
 736         void config_failed_to_load ()
 737         {
 738                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 739         }
 740
 741         void config_warning (string m)
 742         {
 743                 message_dialog (_frame, std_to_wx(m));
 744         }
 745
 746         DOMFrame* _frame;
 747 };
 748
 749 IMPLEMENT_APP (App)