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/collator.h"
  39 #include "lib/compose.hpp"
  40 #include "lib/constants.h"
  41 #include "lib/config.h"
  42 #include "lib/cross.h"
  43 #include "lib/dcpomatic_log.h"
  44 #include "lib/dkdm_wrapper.h"
  45 #include "lib/exceptions.h"
  46 #include "lib/file_log.h"
  47 #include "lib/job_manager.h"
  48 #include "lib/kdm_with_metadata.h"
  49 #include "lib/screen.h"
  50 #include "lib/send_kdm_email_job.h"
  51 #include <dcp/encrypted_kdm.h>
  52 #include <dcp/decrypted_kdm.h>
  53 #include <dcp/exceptions.h>
  54 #include <dcp/warnings.h>
  55 LIBDCP_DISABLE_WARNINGS
  56 #include <wx/filepicker.h>
  57 #include <wx/preferences.h>
  58 #include <wx/splash.h>
  59 #include <wx/srchctrl.h>
  60 #include <wx/treectrl.h>
  61 #include <wx/wx.h>
  62 LIBDCP_ENABLE_WARNINGS
  63 #ifdef __WXOSX__
  64 #include <ApplicationServices/ApplicationServices.h>
  65 #endif
  66 #include <boost/bind/bind.hpp>
  67 #include <unordered_set>
  68
  69 #ifdef check
  70 #undef check
  71 #endif
  72
  73
  74 using std::exception;
  75 using std::list;
  76 using std::make_shared;
  77 using std::map;
  78 using std::pair;
  79 using std::shared_ptr;
  80 using std::string;
  81 using std::unordered_set;
  82 using std::vector;
  83 using boost::bind;
  84 using boost::optional;
  85 using boost::ref;
  86 using std::dynamic_pointer_cast;
  87 #if BOOST_VERSION >= 106100
  88 using namespace boost::placeholders;
  89 #endif
  90 using namespace dcpomatic;
  91
  92
  93 enum {
  94         ID_help_report_a_problem = 1,
  95 };
  96
  97
  98 class DOMFrame : public wxFrame
  99 {
 100 public:
 101         explicit DOMFrame (wxString const & title)
 102                 : wxFrame (nullptr, -1, title)
 103                 , _config_dialog (nullptr)
 104                 , _job_view (nullptr)
 105         {
 106 #if defined(DCPOMATIC_WINDOWS)
 107                 if (Config::instance()->win32_console ()) {
 108                         AllocConsole();
 109
 110                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 111                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 112                         FILE* hf_out = _fdopen(hCrt, "w");
 113                         setvbuf(hf_out, NULL, _IONBF, 1);
 114                         *stdout = *hf_out;
 115
 116                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 117                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 118                         FILE* hf_in = _fdopen(hCrt, "r");
 119                         setvbuf(hf_in, NULL, _IONBF, 128);
 120                         *stdin = *hf_in;
 121
 122                         std::cout << "DCP-o-matic KDM creator is starting." << "\n";
 123                 }
 124 #endif
 125
 126                 auto bar = new wxMenuBar;
 127                 setup_menu (bar);
 128                 SetMenuBar (bar);
 129
 130                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 131                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 132                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 133                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 134
 135                 /* Use a panel as the only child of the Frame so that we avoid
 136                    the dark-grey background on Windows.
 137                 */
 138                 auto overall_panel = new wxPanel (this, wxID_ANY);
 139                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 140
 141                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 142                 auto left = new wxBoxSizer (wxVERTICAL);
 143                 auto right = new wxBoxSizer (wxVERTICAL);
 144
 145                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 146                 horizontal->Add (right, 1, wxEXPAND);
 147
 148                 wxFont subheading_font (*wxNORMAL_FONT);
 149                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 150
 151                 auto h = new StaticText (overall_panel, _("Screens"));
 152                 h->SetFont (subheading_font);
 153                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 154                 _screens = new ScreensPanel (overall_panel);
 155                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 156
 157                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 158                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 159                 h->SetFont (subheading_font);
 160                 right->Add (h);
 161                 _timing = new KDMTimingPanel (overall_panel);
 162                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 163
 164                 h = new StaticText (overall_panel, _("DKDM"));
 165                 h->SetFont (subheading_font);
 166                 right->Add (h, 0, wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 167
 168                 _dkdm_search = new wxSearchCtrl(overall_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, search_ctrl_height()));
 169 #ifndef __WXGTK3__
 170                 /* The cancel button seems to be strangely broken in GTK3; clicking on it twice sometimes works */
 171                 _dkdm_search->ShowCancelButton (true);
 172 #endif
 173
 174                 right->Add(_dkdm_search, 0, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 175
 176                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 177                 _dkdm = new wxTreeCtrl (
 178                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 179                 );
 180                 dkdm_sizer->Add(_dkdm, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 181                 wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 182                 _add_dkdm = new Button (overall_panel, _("Add..."));
 183                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 184                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 185                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 186                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 187                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 188                 _export_dkdm = new Button (overall_panel, _("Export..."));
 189                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 190                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 191                 right->Add (dkdm_sizer, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 192
 193                 update_dkdm_view();
 194
 195                 h = new StaticText (overall_panel, _("Output"));
 196                 h->SetFont (subheading_font);
 197                 right->Add (h, 0, wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
 198                 _output = new KDMOutputPanel (overall_panel);
 199                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 200
 201                 _create = new Button (overall_panel, _("Create KDMs"));
 202                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 203
 204                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 205                 overall_panel->SetSizer (main_sizer);
 206
 207                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 208                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 209
 210                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 211                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 212                 _dkdm->Bind(wxEVT_TREE_SEL_CHANGED, boost::bind(&DOMFrame::dkdm_selection_changed, this));
 213                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 214                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 215                 _dkdm->Bind(wxEVT_TREE_ITEM_EXPANDED, boost::bind(&DOMFrame::dkdm_expanded, this, _1));
 216                 _dkdm->Bind(wxEVT_TREE_ITEM_COLLAPSED, boost::bind(&DOMFrame::dkdm_collapsed, this, _1));
 217                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 218                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 219                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 220                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 221                 _dkdm_search->Bind(wxEVT_TEXT, boost::bind(&DOMFrame::dkdm_search_changed, this));
 222
 223                 setup_sensitivity ();
 224
 225                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 226         }
 227
 228 private:
 229         void file_exit ()
 230         {
 231                 /* false here allows the close handler to veto the close request */
 232                 Close (false);
 233         }
 234
 235         void edit_preferences ()
 236         {
 237                 if (!_config_dialog) {
 238                         _config_dialog = create_full_config_dialog ();
 239                 }
 240                 _config_dialog->Show (this);
 241         }
 242
 243         void help_about ()
 244         {
 245                 auto d = new AboutDialog (this);
 246                 d->ShowModal ();
 247                 d->Destroy ();
 248         }
 249
 250         void help_report_a_problem ()
 251         {
 252                 auto d = new ReportProblemDialog (this, shared_ptr<Film>());
 253                 if (d->ShowModal () == wxID_OK) {
 254                         d->report ();
 255                 }
 256                 d->Destroy ();
 257         }
 258
 259         void setup_menu (wxMenuBar* m)
 260         {
 261                 auto file = new wxMenu;
 262
 263 #ifdef __WXOSX__
 264                 file->Append (wxID_EXIT, _("&Exit"));
 265 #else
 266                 file->Append (wxID_EXIT, _("&Quit"));
 267 #endif
 268
 269 #ifdef __WXOSX__
 270                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 271 #else
 272                 wxMenu* edit = new wxMenu;
 273                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 274 #endif
 275
 276                 wxMenu* help = new wxMenu;
 277 #ifdef __WXOSX__
 278                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 279 #else
 280                 help->Append (wxID_ABOUT, _("About"));
 281 #endif
 282                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 283
 284                 m->Append (file, _("&File"));
 285 #ifndef __WXOSX__
 286                 m->Append (edit, _("&Edit"));
 287 #endif
 288                 m->Append (help, _("&Help"));
 289         }
 290
 291         bool confirm_overwrite (boost::filesystem::path path)
 292         {
 293                 return confirm_dialog (
 294                         this,
 295                         wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 296                         );
 297         }
 298
 299         /** @id if not nullptr this is filled in with the wxTreeItemId of the selection */
 300         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = nullptr) const
 301         {
 302                 wxArrayTreeItemIds selections;
 303                 _dkdm->GetSelections (selections);
 304                 if (selections.GetCount() != 1) {
 305                         if (id) {
 306                                 *id = 0;
 307                         }
 308                         return {};
 309                 }
 310
 311                 if (id) {
 312                         *id = selections[0];
 313                 }
 314
 315                 auto i = _dkdm_id.find (selections[0]);
 316                 if (i == _dkdm_id.end()) {
 317                         return {};
 318                 }
 319
 320                 return i->second;
 321         }
 322
 323         void create_kdms ()
 324         {
 325                 try {
 326                         auto dkdm_base = selected_dkdm ();
 327                         if (!dkdm_base) {
 328                                 return;
 329                         }
 330
 331                         list<KDMWithMetadataPtr> kdms;
 332                         string title;
 333
 334                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 335                         if (dkdm) {
 336
 337                                 /* Decrypt the DKDM */
 338                                 dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 339                                 title = decrypted.content_title_text ();
 340
 341                                 /* This is the signer for our new KDMs */
 342                                 auto signer = Config::instance()->signer_chain ();
 343                                 if (!signer->valid ()) {
 344                                         throw InvalidSignerError ();
 345                                 }
 346
 347                                 for (auto i: _screens->screens()) {
 348
 349                                         if (!i->recipient) {
 350                                                 continue;
 351                                         }
 352
 353                                         dcp::LocalTime begin(_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 354                                         dcp::LocalTime end(_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
 355
 356                                         /* Make an empty KDM */
 357                                         dcp::DecryptedKDM kdm (
 358                                                 begin,
 359                                                 end,
 360                                                 decrypted.annotation_text().get_value_or (""),
 361                                                 title,
 362                                                 dcp::LocalTime().as_string()
 363                                                 );
 364
 365                                         /* Add keys from the DKDM */
 366                                         for (auto const& j: decrypted.keys()) {
 367                                                 kdm.add_key (j);
 368                                         }
 369
 370                                         auto const encrypted = kdm.encrypt(
 371                                                         signer, i->recipient.get(), i->trusted_device_thumbprints(), _output->formulation(),
 372                                                         !_output->forensic_mark_video(), _output->forensic_mark_audio() ? boost::optional<int>() : 0
 373                                                         );
 374
 375                                         dcp::NameFormat::Map name_values;
 376                                         name_values['c'] = i->cinema->name;
 377                                         name_values['s'] = i->name;
 378                                         name_values['f'] = title;
 379                                         name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
 380                                         name_values['e'] = end.date() + " " + end.time_of_day(true, false);
 381                                         name_values['i'] = encrypted.cpl_id ();
 382
 383                                         /* Encrypt */
 384                                         kdms.push_back (make_shared<KDMWithMetadata>(name_values, i->cinema.get(), i->cinema->emails, encrypted));
 385                                 }
 386                         }
 387
 388                         if (kdms.empty()) {
 389                                 return;
 390                         }
 391
 392                         auto result = _output->make (
 393                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 394                                 );
 395
 396                         if (result.first) {
 397                                 JobManager::instance()->add (result.first);
 398                                 if (_job_view) {
 399                                         _job_view->Destroy ();
 400                                         _job_view = 0;
 401                                 }
 402                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 403                                 _job_view->ShowModal ();
 404                         }
 405
 406                         if (result.second > 0) {
 407                                 /* XXX: proper plural form support in wxWidgets? */
 408                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 409                                 message_dialog (
 410                                         this,
 411                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 412                                         );
 413                         }
 414                 } catch (dcp::NotEncryptedError& e) {
 415                         error_dialog (this, _("CPL's content is not encrypted."));
 416                 } catch (exception& e) {
 417                         error_dialog (this, std_to_wx(e.what()));
 418                 } catch (...) {
 419                         error_dialog (this, _("An unknown exception occurred."));
 420                 }
 421         }
 422
 423         void setup_sensitivity ()
 424         {
 425                 _screens->setup_sensitivity ();
 426                 _output->setup_sensitivity ();
 427                 wxArrayTreeItemIds sel;
 428                 _dkdm->GetSelections (sel);
 429                 auto group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 430                 auto dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 431                 _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0 && dkdm);
 432                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 433                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 434         }
 435
 436         void dkdm_selection_changed()
 437         {
 438                 _selected_dkdm = selected_dkdm();
 439                 setup_sensitivity();
 440         }
 441
 442         void dkdm_expanded(wxTreeEvent& ev)
 443         {
 444                 if (_ignore_expand) {
 445                         return;
 446                 }
 447
 448                 auto iter = _dkdm_id.find(ev.GetItem());
 449                 if (iter != _dkdm_id.end()) {
 450                         _expanded_dkdm_groups.insert(iter->second);
 451                 }
 452         }
 453
 454         void dkdm_collapsed(wxTreeEvent& ev)
 455         {
 456                 auto iter = _dkdm_id.find(ev.GetItem());
 457                 if (iter != _dkdm_id.end()) {
 458                         _expanded_dkdm_groups.erase(iter->second);
 459                 }
 460         }
 461
 462         void dkdm_begin_drag (wxTreeEvent& ev)
 463         {
 464                 ev.Allow ();
 465         }
 466
 467         void dkdm_end_drag (wxTreeEvent& ev)
 468         {
 469                 auto from = _dkdm_id.find (_dkdm->GetSelection ());
 470                 auto to = _dkdm_id.find (ev.GetItem ());
 471                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 472                         return;
 473                 }
 474
 475                 auto group = dynamic_pointer_cast<DKDMGroup> (to->second);
 476                 if (!group) {
 477                         group = to->second->parent();
 478                 }
 479
 480                 DCPOMATIC_ASSERT (group);
 481                 DCPOMATIC_ASSERT (from->second->parent ());
 482
 483                 from->second->parent()->remove (from->second);
 484                 add_dkdm(from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 485
 486                 update_dkdm_view();
 487         }
 488
 489         void add_dkdm_clicked ()
 490         {
 491                 auto d = new wxFileDialog(
 492                         this,
 493                         _("Select DKDM file"),
 494                         wxEmptyString,
 495                         wxEmptyString,
 496                         wxT("XML files|*.xml|All files|*.*"),
 497                         wxFD_MULTIPLE
 498                         );
 499
 500                 if (d->ShowModal() == wxID_OK) {
 501                         auto chain = Config::instance()->decryption_chain();
 502                         DCPOMATIC_ASSERT (chain->key());
 503
 504                         wxArrayString paths;
 505                         d->GetPaths(paths);
 506                         for (unsigned int i = 0; i < paths.GetCount(); ++i) {
 507                                 try {
 508                                         dcp::EncryptedKDM ekdm(dcp::file_to_string(wx_to_std(paths[i]), MAX_KDM_SIZE));
 509                                         /* Decrypt the DKDM to make sure that we can */
 510                                         dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 511
 512                                         auto new_dkdm = make_shared<DKDM>(ekdm);
 513                                         auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 514                                         if (!group) {
 515                                                 group = Config::instance()->dkdms ();
 516                                         }
 517                                         add_dkdm(new_dkdm, group);
 518                                 } catch (dcp::KDMFormatError& e) {
 519                                         error_dialog (
 520                                                 this,
 521                                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 522                                                 std_to_wx(e.what())
 523                                                 );
 524                                         return;
 525                                 } catch (dcp::KDMDecryptionError &) {
 526                                         error_dialog (
 527                                                 this,
 528                                                 _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 529                                                 );
 530                                 } catch (dcp::MiscError& e) {
 531                                         error_dialog (
 532                                                 this,
 533                                                 _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 534                                                 std_to_wx(e.what())
 535                                                 );
 536                                 }
 537                         }
 538                         update_dkdm_view();
 539                 }
 540                 d->Destroy ();
 541         }
 542
 543         void add_dkdm_folder_clicked ()
 544         {
 545                 auto d = new NewDKDMFolderDialog (this);
 546                 if (d->ShowModal() == wxID_OK) {
 547                         auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(d->get()));
 548                         auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 549                         if (!parent) {
 550                                 parent = Config::instance()->dkdms ();
 551                         }
 552                         add_dkdm(new_dkdm, parent);
 553                         update_dkdm_view();
 554                 }
 555                 d->Destroy ();
 556         }
 557
 558         void update_dkdm_view()
 559         {
 560                 _dkdm->DeleteAllItems();
 561                 _dkdm_id.clear();
 562                 add_dkdm_to_view(Config::instance()->dkdms());
 563                 if (_selected_dkdm) {
 564                         auto selection_in_id_map = std::find_if(_dkdm_id.begin(), _dkdm_id.end(), [this](pair<wxTreeItemId, shared_ptr<DKDMBase>> const& entry) {
 565                                 return entry.second == _selected_dkdm;
 566                         });
 567                         if (selection_in_id_map != _dkdm_id.end()) {
 568                                 _dkdm->SelectItem(selection_in_id_map->first);
 569                         }
 570                 }
 571         }
 572
 573         /** @return true if this thing or any of its children match a search string */
 574         bool matches(shared_ptr<DKDMBase> base, string const& search)
 575         {
 576                 if (search.empty()) {
 577                         return true;
 578                 }
 579
 580                 auto name = base->name();
 581                 transform(name.begin(), name.end(), name.begin(), ::tolower);
 582                 if (name.find(search) != string::npos) {
 583                         return true;
 584                 }
 585
 586                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 587                 if (!group) {
 588                         return false;
 589                 }
 590
 591                 auto const children = group->children();
 592                 return std::any_of(children.begin(), children.end(), [this, search](shared_ptr<DKDMBase> child) {
 593                         return matches(child, search);
 594                 });
 595         }
 596
 597         /** Add DKDMs to the view that match the current search */
 598         void add_dkdm_to_view(shared_ptr<DKDMBase> base)
 599         {
 600                 auto search = wx_to_std(_dkdm_search->GetValue());
 601                 transform(search.begin(), search.end(), search.begin(), ::tolower);
 602
 603                 optional<wxTreeItemId> group_to_expand;
 604
 605                 if (!base->parent()) {
 606                         /* This is the root group */
 607                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 608                 } else {
 609                         /* Add base to the view */
 610                         wxTreeItemId added;
 611                         auto parent_id = dkdm_to_id(base->parent());
 612                         added = _dkdm->AppendItem(parent_id, std_to_wx(base->name()));
 613                         /* Expand the group (later) if it matches the search or it was manually expanded */
 614                         if (!search.empty() || _expanded_dkdm_groups.find(base) != _expanded_dkdm_groups.end()) {
 615                                 group_to_expand = added;
 616                         }
 617                         _dkdm_id[added] = base;
 618                 }
 619
 620                 /* Add children */
 621                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 622                 if (group) {
 623                         auto children = group->children();
 624                         children.sort(
 625                                 [this](shared_ptr<DKDMBase> a, shared_ptr<DKDMBase> b) { return _collator.compare(a->name(), b->name()) < 0; }
 626                         );
 627
 628                         for (auto i: children) {
 629                                 if (matches(i, search)) {
 630                                         add_dkdm_to_view(i);
 631                                 }
 632                         }
 633                 }
 634
 635                 if (group_to_expand) {
 636                         _ignore_expand = true;
 637                         _dkdm->Expand(*group_to_expand);
 638                         _ignore_expand = false;
 639                 }
 640         }
 641
 642         /** @param group Group to add dkdm to */
 643         void add_dkdm(shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM>())
 644         {
 645                 group->add (dkdm, previous);
 646                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 647                    This isn't nice.
 648                 */
 649                 Config::instance()->changed ();
 650         }
 651
 652         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 653         {
 654                 for (auto const& i: _dkdm_id) {
 655                         if (i.second == dkdm) {
 656                                 return i.first;
 657                         }
 658                 }
 659                 DCPOMATIC_ASSERT (false);
 660         }
 661
 662         void remove_dkdm_clicked ()
 663         {
 664                 auto removed = selected_dkdm ();
 665                 if (!removed) {
 666                         return;
 667                 }
 668
 669                 if (NagDialog::maybe_nag (
 670                             this, Config::NAG_DELETE_DKDM,
 671                             _("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.  "
 672                               "Are you sure?"),
 673                             true)) {
 674                         return;
 675                 }
 676
 677                 _dkdm->Delete (dkdm_to_id (removed));
 678                 auto dkdms = Config::instance()->dkdms ();
 679                 dkdms->remove (removed);
 680                 Config::instance()->changed ();
 681         }
 682
 683         void export_dkdm_clicked ()
 684         {
 685                 auto removed = selected_dkdm ();
 686                 if (!removed) {
 687                         return;
 688                 }
 689
 690                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 691                 if (!dkdm) {
 692                         return;
 693                 }
 694
 695                 auto d = new wxFileDialog (
 696                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 697                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 698                         );
 699
 700                 if (d->ShowModal() == wxID_OK) {
 701                         dkdm->dkdm().as_xml(wx_to_std(d->GetPath()));
 702                 }
 703                 d->Destroy ();
 704         }
 705
 706         void dkdm_search_changed()
 707         {
 708                 update_dkdm_view();
 709         }
 710
 711         wxPreferencesEditor* _config_dialog;
 712         ScreensPanel* _screens;
 713         KDMTimingPanel* _timing;
 714         wxTreeCtrl* _dkdm;
 715         wxSearchCtrl* _dkdm_search;
 716         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 717         DKDMMap _dkdm_id;
 718         /* Keep a separate track of the selected DKDM so that when a search happens, and some things
 719          * get removed from the view, we can restore the selection when they are re-added.
 720          */
 721         shared_ptr<DKDMBase> _selected_dkdm;
 722         /* Keep expanded groups for the same reason */
 723         unordered_set<shared_ptr<DKDMBase>> _expanded_dkdm_groups;
 724         /* true if we are "artificially" expanding a group because it contains something found
 725          * in a search.
 726          */
 727         bool _ignore_expand = false;
 728         wxButton* _add_dkdm;
 729         wxButton* _add_dkdm_folder;
 730         wxButton* _remove_dkdm;
 731         wxButton* _export_dkdm;
 732         wxButton* _create;
 733         KDMOutputPanel* _output;
 734         JobViewDialog* _job_view;
 735         Collator _collator;
 736 };
 737
 738
 739 /** @class App
 740  *  @brief The magic App class for wxWidgets.
 741  */
 742 class App : public wxApp
 743 {
 744 public:
 745         App ()
 746                 : wxApp ()
 747                 , _frame (nullptr)
 748         {}
 749
 750 private:
 751
 752         bool OnInit () override
 753         {
 754                 wxSplashScreen* splash = nullptr;
 755
 756                 try {
 757                         wxInitAllImageHandlers ();
 758
 759                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 760                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 761
 762                         splash = maybe_show_splash ();
 763
 764                         SetAppName (_("DCP-o-matic KDM Creator"));
 765
 766                         if (!wxApp::OnInit()) {
 767                                 return false;
 768                         }
 769
 770 #ifdef DCPOMATIC_LINUX
 771                         unsetenv ("UBUNTU_MENUPROXY");
 772 #endif
 773
 774 #ifdef DCPOMATIC_OSX
 775                         make_foreground_application ();
 776 #endif
 777
 778                         dcpomatic_setup_path_encoding ();
 779
 780                         /* Enable i18n; this will create a Config object
 781                            to look for a force-configured language.  This Config
 782                            object will be wrong, however, because dcpomatic_setup
 783                            hasn't yet been called and there aren't any filters etc.
 784                            set up yet.
 785                         */
 786                         dcpomatic_setup_i18n ();
 787
 788                         /* Set things up, including filters etc.
 789                            which will now be internationalised correctly.
 790                         */
 791                         dcpomatic_setup ();
 792
 793                         /* Force the configuration to be re-loaded correctly next
 794                            time it is needed.
 795                         */
 796                         Config::drop ();
 797
 798                         _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
 799                         SetTopWindow (_frame);
 800                         _frame->Maximize ();
 801                         if (splash) {
 802                                 splash->Destroy ();
 803                                 splash = nullptr;
 804                         }
 805                         _frame->Show ();
 806
 807                         signal_manager = new wxSignalManager (this);
 808                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 809                 }
 810                 catch (exception& e)
 811                 {
 812                         if (splash) {
 813                                 splash->Destroy ();
 814                         }
 815                         error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 816                 }
 817
 818                 return true;
 819         }
 820
 821         /* An unhandled exception has occurred inside the main event loop */
 822         bool OnExceptionInMainLoop () override
 823         {
 824                 try {
 825                         throw;
 826                 } catch (FileError& e) {
 827                         error_dialog (
 828                                 0,
 829                                 wxString::Format (
 830                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 831                                         std_to_wx (e.what()),
 832                                         std_to_wx (e.file().string().c_str ())
 833                                         )
 834                                 );
 835                 } catch (exception& e) {
 836                         error_dialog (
 837                                 nullptr,
 838                                 wxString::Format (
 839                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 840                                         std_to_wx(e.what())
 841                                         )
 842                                 );
 843                 } catch (...) {
 844                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 845                 }
 846
 847                 /* This will terminate the program */
 848                 return false;
 849         }
 850
 851         void OnUnhandledException () override
 852         {
 853                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 854         }
 855
 856         void idle ()
 857         {
 858                 signal_manager->ui_idle ();
 859         }
 860
 861         void config_failed_to_load(Config::LoadFailure what)
 862         {
 863                 report_config_load_failure(_frame, what);
 864         }
 865
 866         void config_warning (string m)
 867         {
 868                 message_dialog (_frame, std_to_wx(m));
 869         }
 870
 871         DOMFrame* _frame;
 872 };
 873
 874 IMPLEMENT_APP (App)