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