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/id.h"
  26 #include "wx/invalid_certificate_period_dialog.h"
  27 #include "wx/file_dialog.h"
  28 #include "wx/file_picker_ctrl.h"
  29 #include "wx/full_config_dialog.h"
  30 #include "wx/job_view_dialog.h"
  31 #include "wx/kdm_output_panel.h"
  32 #include "wx/kdm_timing_panel.h"
  33 #include "wx/nag_dialog.h"
  34 #include "wx/new_dkdm_folder_dialog.h"
  35 #include "wx/report_problem_dialog.h"
  36 #include "wx/screens_panel.h"
  37 #include "wx/static_text.h"
  38 #include "wx/wx_signal_manager.h"
  39 #include "wx/wx_util.h"
  40 #include "wx/wx_variant.h"
  41 #include "lib/cinema.h"
  42 #include "lib/collator.h"
  43 #include "lib/compose.hpp"
  44 #include "lib/constants.h"
  45 #include "lib/config.h"
  46 #include "lib/cross.h"
  47 #include "lib/dcpomatic_log.h"
  48 #include "lib/dkdm_wrapper.h"
  49 #include "lib/exceptions.h"
  50 #include "lib/file_log.h"
  51 #include "lib/job_manager.h"
  52 #include "lib/kdm_util.h"
  53 #include "lib/kdm_with_metadata.h"
  54 #include "lib/screen.h"
  55 #include "lib/send_kdm_email_job.h"
  56 #include "lib/variant.h"
  57 #include <dcp/encrypted_kdm.h>
  58 #include <dcp/decrypted_kdm.h>
  59 #include <dcp/exceptions.h>
  60 #include <dcp/filesystem.h>
  61 #include <dcp/warnings.h>
  62 LIBDCP_DISABLE_WARNINGS
  63 #include <wx/dnd.h>
  64 #include <wx/filepicker.h>
  65 #include <wx/preferences.h>
  66 #include <wx/splash.h>
  67 #include <wx/srchctrl.h>
  68 #include <wx/treectrl.h>
  69 #include <wx/wx.h>
  70 LIBDCP_ENABLE_WARNINGS
  71 #ifdef __WXOSX__
  72 #include <ApplicationServices/ApplicationServices.h>
  73 #endif
  74 #include <boost/bind/bind.hpp>
  75 #include <unordered_set>
  76
  77 #ifdef check
  78 #undef check
  79 #endif
  80
  81
  82 using std::dynamic_pointer_cast;
  83 using std::exception;
  84 using std::list;
  85 using std::make_shared;
  86 using std::map;
  87 using std::pair;
  88 using std::shared_ptr;
  89 using std::string;
  90 using std::unordered_set;
  91 using std::vector;
  92 using boost::bind;
  93 using boost::optional;
  94 using boost::ref;
  95 #if BOOST_VERSION >= 106100
  96 using namespace boost::placeholders;
  97 #endif
  98 using namespace dcpomatic;
  99
 100
 101 enum {
 102         ID_help_report_a_problem = DCPOMATIC_MAIN_MENU,
 103 };
 104
 105
 106 class DOMFrame : public wxFrame
 107 {
 108 public:
 109         explicit DOMFrame (wxString const & title)
 110                 : wxFrame (nullptr, -1, title)
 111                 , _config_dialog (nullptr)
 112                 , _job_view (nullptr)
 113         {
 114 #if defined(DCPOMATIC_WINDOWS)
 115                 if (Config::instance()->win32_console ()) {
 116                         AllocConsole();
 117
 118                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 119                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 120                         FILE* hf_out = _fdopen(hCrt, "w");
 121                         setvbuf(hf_out, NULL, _IONBF, 1);
 122                         *stdout = *hf_out;
 123
 124                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 125                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 126                         FILE* hf_in = _fdopen(hCrt, "r");
 127                         setvbuf(hf_in, NULL, _IONBF, 128);
 128                         *stdin = *hf_in;
 129
 130                         std::cout << variant::insert_dcpomatic_kdm_creator("%1 is starting.\n");
 131                 }
 132 #endif
 133
 134                 auto bar = new wxMenuBar;
 135                 setup_menu (bar);
 136                 SetMenuBar (bar);
 137
 138                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),             wxID_EXIT);
 139                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),      wxID_PREFERENCES);
 140                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),            wxID_ABOUT);
 141                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 142
 143                 /* Use a panel as the only child of the Frame so that we avoid
 144                    the dark-grey background on Windows.
 145                 */
 146                 auto overall_panel = new wxPanel (this, wxID_ANY);
 147                 auto main_sizer = new wxBoxSizer (wxHORIZONTAL);
 148
 149                 auto horizontal = new wxBoxSizer (wxHORIZONTAL);
 150                 auto left = new wxBoxSizer (wxVERTICAL);
 151                 auto right = new wxBoxSizer (wxVERTICAL);
 152
 153                 horizontal->Add (left, 1, wxEXPAND | wxRIGHT, DCPOMATIC_SIZER_X_GAP * 2);
 154                 horizontal->Add (right, 1, wxEXPAND);
 155
 156                 wxFont subheading_font (*wxNORMAL_FONT);
 157                 subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 158
 159                 auto h = new StaticText (overall_panel, _("Screens"));
 160                 h->SetFont (subheading_font);
 161                 left->Add (h, 0, wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 162                 _screens = new ScreensPanel (overall_panel);
 163                 left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 164
 165                 /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
 166                 h = new StaticText (overall_panel, S_("KDM|Timing"));
 167                 h->SetFont (subheading_font);
 168                 right->Add (h);
 169                 _timing = new KDMTimingPanel (overall_panel);
 170                 right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 171
 172                 h = new StaticText (overall_panel, _("DKDM"));
 173                 h->SetFont (subheading_font);
 174                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 175
 176                 _dkdm_search = new wxSearchCtrl(overall_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, search_ctrl_height()));
 177 #ifndef __WXGTK3__
 178                 /* The cancel button seems to be strangely broken in GTK3; clicking on it twice sometimes works */
 179                 _dkdm_search->ShowCancelButton (true);
 180 #endif
 181
 182                 right->Add(_dkdm_search, 0, wxTOP | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 183
 184                 class DKDMDropTarget : public wxFileDropTarget
 185                 {
 186                 public:
 187                         DKDMDropTarget(DOMFrame* frame)
 188                                 : _frame(frame)
 189                         {}
 190
 191                         bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 192                         {
 193                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 194                                         _frame->add_dkdm(boost::filesystem::path(wx_to_std(filenames[0])));
 195                                 }
 196
 197                                 return true;
 198                         }
 199
 200                 private:
 201                         DOMFrame* _frame;
 202                 };
 203
 204                 auto dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
 205                 _dkdm = new wxTreeCtrl (
 206                         overall_panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_HIDE_ROOT | wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
 207                 );
 208                 _dkdm->SetDropTarget(new DKDMDropTarget(this));
 209                 dkdm_sizer->Add(_dkdm, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 210                 auto dkdm_buttons = new wxBoxSizer(wxVERTICAL);
 211                 _add_dkdm = new Button (overall_panel, _("Add..."));
 212                 dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 213                 _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
 214                 dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 215                 _remove_dkdm = new Button (overall_panel, _("Remove"));
 216                 dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 217                 _export_dkdm = new Button (overall_panel, _("Export..."));
 218                 dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
 219                 dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 220                 right->Add (dkdm_sizer, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 221
 222                 update_dkdm_view();
 223
 224                 h = new StaticText (overall_panel, _("Output"));
 225                 h->SetFont (subheading_font);
 226                 right->Add(h, 0, wxTOP, DCPOMATIC_SUBHEADING_TOP_PAD);
 227                 _output = new KDMOutputPanel (overall_panel);
 228                 right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 229
 230                 _create = new Button (overall_panel, _("Create KDMs"));
 231                 right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 232
 233                 main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
 234                 overall_panel->SetSizer (main_sizer);
 235
 236                 /* Instantly save any config changes when using a DCP-o-matic GUI */
 237                 Config::instance()->Changed.connect (boost::bind (&Config::write, Config::instance ()));
 238
 239                 _screens->ScreensChanged.connect (boost::bind (&DOMFrame::setup_sensitivity, this));
 240                 _create->Bind (wxEVT_BUTTON, bind (&DOMFrame::create_kdms, this));
 241                 _dkdm->Bind(wxEVT_TREE_SEL_CHANGED, boost::bind(&DOMFrame::dkdm_selection_changed, this));
 242                 _dkdm->Bind (wxEVT_TREE_BEGIN_DRAG, boost::bind (&DOMFrame::dkdm_begin_drag, this, _1));
 243                 _dkdm->Bind (wxEVT_TREE_END_DRAG, boost::bind (&DOMFrame::dkdm_end_drag, this, _1));
 244                 _dkdm->Bind(wxEVT_TREE_ITEM_EXPANDED, boost::bind(&DOMFrame::dkdm_expanded, this, _1));
 245                 _dkdm->Bind(wxEVT_TREE_ITEM_COLLAPSED, boost::bind(&DOMFrame::dkdm_collapsed, this, _1));
 246                 _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
 247                 _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
 248                 _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
 249                 _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 250                 _dkdm_search->Bind(wxEVT_TEXT, boost::bind(&DOMFrame::dkdm_search_changed, this));
 251                 _timing->TimingChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
 252                 _output->MethodChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
 253
 254                 setup_sensitivity ();
 255
 256                 dcpomatic_log = make_shared<FileLog>(State::write_path("kdm.log"));
 257         }
 258
 259 private:
 260         void file_exit ()
 261         {
 262                 /* false here allows the close handler to veto the close request */
 263                 Close (false);
 264         }
 265
 266         void edit_preferences ()
 267         {
 268                 if (!_config_dialog) {
 269                         _config_dialog = create_full_config_dialog ();
 270                 }
 271                 _config_dialog->Show (this);
 272         }
 273
 274         void help_about ()
 275         {
 276                 AboutDialog dialog(this);
 277                 dialog.ShowModal();
 278         }
 279
 280         void help_report_a_problem ()
 281         {
 282                 ReportProblemDialog dialog(this, shared_ptr<Film>());
 283                 if (dialog.ShowModal() == wxID_OK) {
 284                         dialog.report();
 285                 }
 286         }
 287
 288         void setup_menu (wxMenuBar* m)
 289         {
 290                 auto file = new wxMenu;
 291
 292 #ifdef __WXOSX__
 293                 file->Append (wxID_EXIT, _("&Exit"));
 294 #else
 295                 file->Append (wxID_EXIT, _("&Quit"));
 296 #endif
 297
 298 #ifdef __WXOSX__
 299                 file->Append(wxID_PREFERENCES, _("&Preferences...\tCtrl-,"));
 300 #else
 301                 wxMenu* edit = new wxMenu;
 302                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 303 #endif
 304
 305                 wxMenu* help = new wxMenu;
 306 #ifdef __WXOSX__
 307                 help->Append(wxID_ABOUT, variant::wx::insert_dcpomatic_kdm_creator(_("About %s")));
 308 #else
 309                 help->Append (wxID_ABOUT, _("About"));
 310 #endif
 311                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 312
 313                 m->Append (file, _("&File"));
 314 #ifndef __WXOSX__
 315                 m->Append (edit, _("&Edit"));
 316 #endif
 317                 m->Append (help, _("&Help"));
 318         }
 319
 320         bool confirm_overwrite (boost::filesystem::path path)
 321         {
 322                 if (dcp::filesystem::is_directory(path)) {
 323                         return confirm_dialog (
 324                                 this,
 325                                 wxString::Format(_("Folder %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 326                                 );
 327                 } else {
 328                         return confirm_dialog (
 329                                 this,
 330                                 wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(path.string()).data())
 331                                 );
 332                 }
 333         }
 334
 335         /** @id if not nullptr this is filled in with the wxTreeItemId of the selection */
 336         shared_ptr<DKDMBase> selected_dkdm (wxTreeItemId* id = nullptr) const
 337         {
 338                 wxArrayTreeItemIds selections;
 339                 _dkdm->GetSelections (selections);
 340                 if (selections.GetCount() != 1) {
 341                         if (id) {
 342                                 *id = 0;
 343                         }
 344                         return {};
 345                 }
 346
 347                 if (id) {
 348                         *id = selections[0];
 349                 }
 350
 351                 auto i = _dkdm_id.find (selections[0]);
 352                 if (i == _dkdm_id.end()) {
 353                         return {};
 354                 }
 355
 356                 return i->second;
 357         }
 358
 359         void create_kdms ()
 360         {
 361                 try {
 362                         auto dkdm_base = selected_dkdm ();
 363                         if (!dkdm_base) {
 364                                 return;
 365                         }
 366
 367                         list<KDMWithMetadataPtr> kdms;
 368                         string title;
 369
 370                         auto dkdm = std::dynamic_pointer_cast<DKDM>(dkdm_base);
 371                         if (!dkdm) {
 372                                 return;
 373                         }
 374
 375                         /* Decrypt the DKDM */
 376                         dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 377                         title = decrypted.content_title_text ();
 378
 379                         /* This is the signer for our new KDMs */
 380                         auto signer = Config::instance()->signer_chain ();
 381                         if (!signer->valid ()) {
 382                                 throw InvalidSignerError ();
 383                         }
 384
 385                         vector<KDMCertificatePeriod> period_checks;
 386
 387                         std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm = [this, decrypted, title](dcp::LocalTime begin, dcp::LocalTime end) {
 388                                 /* Make an empty KDM */
 389                                 dcp::DecryptedKDM kdm (
 390                                         begin,
 391                                         end,
 392                                         _output->annotation_text(),
 393                                         title,
 394                                         dcp::LocalTime().as_string()
 395                                         );
 396
 397                                 /* Add keys from the DKDM */
 398                                 for (auto const& j: decrypted.keys()) {
 399                                         kdm.add_key(j);
 400                                 }
 401
 402                                 return kdm;
 403                         };
 404
 405                         for (auto i: _screens->screens()) {
 406
 407                                 auto kdm = kdm_for_screen(
 408                                         make_kdm,
 409                                         i,
 410                                         _timing->from(),
 411                                         _timing->until(),
 412                                         _output->formulation(),
 413                                         !_output->forensic_mark_video(),
 414                                         _output->forensic_mark_audio() ? boost::optional<int>() : 0,
 415                                         period_checks
 416                                         );
 417
 418                                 if (kdm) {
 419                                         kdms.push_back(kdm);
 420                                 }
 421                         }
 422
 423                         if (kdms.empty()) {
 424                                 return;
 425                         }
 426
 427                         if (
 428                                 find_if(
 429                                         period_checks.begin(),
 430                                         period_checks.end(),
 431                                         [](KDMCertificatePeriod const& p) { return p.overlap != KDMCertificateOverlap::KDM_WITHIN_CERTIFICATE; }
 432                                        ) != period_checks.end()) {
 433                                 InvalidCertificatePeriodDialog dialog(this, period_checks);
 434                                 if (dialog.ShowModal() == wxID_CANCEL) {
 435                                         return;
 436                                 }
 437                         }
 438
 439                         auto result = _output->make (
 440                                 kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
 441                                 );
 442
 443                         if (result.first) {
 444                                 JobManager::instance()->add (result.first);
 445                                 if (_job_view) {
 446                                         _job_view->Destroy ();
 447                                         _job_view = 0;
 448                                 }
 449                                 _job_view = new JobViewDialog (this, _("Send KDM emails"), result.first);
 450                                 _job_view->ShowModal ();
 451                         }
 452
 453                         if (result.second > 0) {
 454                                 /* XXX: proper plural form support in wxWidgets? */
 455                                 wxString s = result.second == 1 ? _("%d KDM written to %s") : _("%d KDMs written to %s");
 456                                 message_dialog (
 457                                         this,
 458                                         wxString::Format (s, result.second, std_to_wx(_output->directory().string()).data())
 459                                         );
 460                         }
 461                 } catch (dcp::BadKDMDateError& e) {
 462                         if (e.starts_too_early()) {
 463                                 error_dialog(this, _("The KDM start period is before (or close to) the start of the signing certificate's validity period.  Use a later start time for this KDM."));
 464                         } else {
 465                                 error_dialog(
 466                                         this,
 467                                         variant::wx::insert_dcpomatic_kdm_creator(
 468                                                 _("The KDM end period is after (or close to) the end of the signing certificates' validity period.  "
 469                                                   "Either use an earlier end time for this KDM or re-create your signing certificates in the %s preferences window.")
 470                                                 )
 471                                         );
 472                         }
 473                         return;
 474                 } catch (dcp::NotEncryptedError& e) {
 475                         error_dialog (this, _("CPL's content is not encrypted."));
 476                 } catch (exception& e) {
 477                         error_dialog (this, std_to_wx(e.what()));
 478                 } catch (...) {
 479                         error_dialog (this, _("An unknown exception occurred."));
 480                 }
 481         }
 482
 483         void setup_sensitivity ()
 484         {
 485                 _screens->setup_sensitivity ();
 486                 _output->setup_sensitivity ();
 487                 wxArrayTreeItemIds sel;
 488                 _dkdm->GetSelections (sel);
 489                 auto group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 490                 auto dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
 491                 _create->Enable(!_screens->screens().empty() && _timing->valid() && sel.GetCount() > 0 && dkdm && _output->method_selected());
 492                 _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
 493                 _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
 494         }
 495
 496         void dkdm_selection_changed()
 497         {
 498                 _selected_dkdm = selected_dkdm();
 499                 if (_selected_dkdm) {
 500                         auto dkdm = std::dynamic_pointer_cast<DKDM>(_selected_dkdm);
 501                         if (dkdm) {
 502                                 try {
 503                                         dcp::DecryptedKDM decrypted(dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 504                                         if (decrypted.annotation_text()) {
 505                                                 _output->set_annotation_text(*decrypted.annotation_text());
 506                                         }
 507                                 } catch (...) {}
 508                         }
 509                 }
 510                 setup_sensitivity();
 511         }
 512
 513         void dkdm_expanded(wxTreeEvent& ev)
 514         {
 515                 if (_ignore_expand) {
 516                         return;
 517                 }
 518
 519                 auto iter = _dkdm_id.find(ev.GetItem());
 520                 if (iter != _dkdm_id.end()) {
 521                         _expanded_dkdm_groups.insert(iter->second);
 522                 }
 523         }
 524
 525         void dkdm_collapsed(wxTreeEvent& ev)
 526         {
 527                 auto iter = _dkdm_id.find(ev.GetItem());
 528                 if (iter != _dkdm_id.end()) {
 529                         _expanded_dkdm_groups.erase(iter->second);
 530                 }
 531         }
 532
 533         void dkdm_begin_drag (wxTreeEvent& ev)
 534         {
 535                 ev.Allow ();
 536         }
 537
 538         void dkdm_end_drag (wxTreeEvent& ev)
 539         {
 540                 auto from = _dkdm_id.find (_dkdm->GetSelection ());
 541                 auto to = _dkdm_id.find (ev.GetItem ());
 542                 if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
 543                         return;
 544                 }
 545
 546                 auto group = dynamic_pointer_cast<DKDMGroup> (to->second);
 547                 if (!group) {
 548                         group = to->second->parent();
 549                 }
 550
 551                 /* Check we're not adding a group to one of its children */
 552                 auto to_parent = group;
 553                 while (to_parent) {
 554                         if (from->second == to_parent) {
 555                                 return;
 556                         }
 557                         to_parent = to_parent->parent();
 558                 }
 559
 560                 DCPOMATIC_ASSERT (group);
 561                 DCPOMATIC_ASSERT (from->second->parent ());
 562
 563                 from->second->parent()->remove (from->second);
 564                 add_dkdm(from->second, group, dynamic_pointer_cast<DKDM>(to->second));
 565
 566                 update_dkdm_view();
 567         }
 568
 569         void add_dkdm_clicked ()
 570         {
 571                 FileDialog dialog(this, _("Select DKDM file"), wxT("XML files|*.xml|All files|*.*"), wxFD_MULTIPLE, "AddDKDMPath");
 572                 if (!dialog.show()) {
 573                         return;
 574                 }
 575
 576                 for (auto path: dialog.paths()) {
 577                         add_dkdm(path);
 578                 }
 579         }
 580
 581         void add_dkdm(boost::filesystem::path path)
 582         {
 583                 auto chain = Config::instance()->decryption_chain();
 584                 DCPOMATIC_ASSERT (chain->key());
 585
 586                 try {
 587                         dcp::EncryptedKDM ekdm(dcp::file_to_string(path, MAX_KDM_SIZE));
 588                         /* Decrypt the DKDM to make sure that we can */
 589                         dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 590
 591                         auto new_dkdm = make_shared<DKDM>(ekdm);
 592
 593                         if (Config::instance()->dkdms()->contains(new_dkdm->dkdm().id())) {
 594                                 error_dialog(
 595                                         this,
 596                                         wxString::Format(_("DKDM %s is already in the DKDM list and will not be added again."), std_to_wx(new_dkdm->dkdm().id()))
 597                                         );
 598                                 return;
 599                         }
 600
 601                         auto group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
 602                         if (!group) {
 603                                 group = Config::instance()->dkdms ();
 604                         }
 605                         add_dkdm(new_dkdm, group);
 606                 } catch (dcp::KDMFormatError& e) {
 607                         error_dialog (
 608                                 this,
 609                                 _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
 610                                 std_to_wx(e.what())
 611                                 );
 612                         return;
 613                 } catch (dcp::KDMDecryptionError &) {
 614                         error_dialog (
 615                                 this,
 616                                 _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
 617                                 );
 618                 } catch (dcp::MiscError& e) {
 619                         error_dialog (
 620                                 this,
 621                                 _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
 622                                 std_to_wx(e.what())
 623                                 );
 624                 }
 625
 626                 update_dkdm_view();
 627         }
 628
 629         void add_dkdm_folder_clicked ()
 630         {
 631                 NewDKDMFolderDialog dialog(this);
 632                 if (dialog.ShowModal() != wxID_OK) {
 633                         return;
 634                 }
 635
 636                 auto new_dkdm = make_shared<DKDMGroup>(wx_to_std(dialog.get()));
 637                 auto parent = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
 638                 if (!parent) {
 639                         parent = Config::instance()->dkdms ();
 640                 }
 641                 add_dkdm(new_dkdm, parent);
 642                 update_dkdm_view();
 643         }
 644
 645         void update_dkdm_view()
 646         {
 647                 _dkdm->DeleteAllItems();
 648                 _dkdm_id.clear();
 649                 add_dkdm_to_view(Config::instance()->dkdms());
 650                 if (_selected_dkdm) {
 651                         auto selection_in_id_map = std::find_if(_dkdm_id.begin(), _dkdm_id.end(), [this](pair<wxTreeItemId, shared_ptr<DKDMBase>> const& entry) {
 652                                 return entry.second == _selected_dkdm;
 653                         });
 654                         if (selection_in_id_map != _dkdm_id.end()) {
 655                                 _dkdm->SelectItem(selection_in_id_map->first);
 656                         }
 657                 }
 658         }
 659
 660         /** @return true if this thing or any of its children match a search string */
 661         bool matches(shared_ptr<DKDMBase> base, string const& search)
 662         {
 663                 if (search.empty()) {
 664                         return true;
 665                 }
 666
 667                 auto name = base->name();
 668                 transform(name.begin(), name.end(), name.begin(), ::tolower);
 669                 if (name.find(search) != string::npos) {
 670                         return true;
 671                 }
 672
 673                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 674                 if (!group) {
 675                         return false;
 676                 }
 677
 678                 auto const children = group->children();
 679                 return std::any_of(children.begin(), children.end(), [this, search](shared_ptr<DKDMBase> child) {
 680                         return matches(child, search);
 681                 });
 682         }
 683
 684         /** Add DKDMs to the view that match the current search */
 685         void add_dkdm_to_view(shared_ptr<DKDMBase> base)
 686         {
 687                 auto search = wx_to_std(_dkdm_search->GetValue());
 688                 transform(search.begin(), search.end(), search.begin(), ::tolower);
 689
 690                 optional<wxTreeItemId> group_to_expand;
 691
 692                 if (!base->parent()) {
 693                         /* This is the root group */
 694                         _dkdm_id[_dkdm->AddRoot("root")] = base;
 695                 } else {
 696                         /* Add base to the view */
 697                         wxTreeItemId added;
 698                         auto parent_id = dkdm_to_id(base->parent());
 699                         added = _dkdm->AppendItem(parent_id, std_to_wx(base->name()));
 700                         /* Expand the group (later) if it matches the search or it was manually expanded */
 701                         if (!search.empty() || _expanded_dkdm_groups.find(base) != _expanded_dkdm_groups.end()) {
 702                                 group_to_expand = added;
 703                         }
 704                         _dkdm_id[added] = base;
 705                 }
 706
 707                 /* Add children */
 708                 auto group = dynamic_pointer_cast<DKDMGroup>(base);
 709                 if (group) {
 710                         auto children = group->children();
 711                         children.sort(
 712                                 [this](shared_ptr<DKDMBase> a, shared_ptr<DKDMBase> b) { return _collator.compare(a->name(), b->name()) < 0; }
 713                         );
 714
 715                         for (auto i: children) {
 716                                 if (matches(i, search)) {
 717                                         add_dkdm_to_view(i);
 718                                 }
 719                         }
 720                 }
 721
 722                 if (group_to_expand) {
 723                         _ignore_expand = true;
 724                         _dkdm->Expand(*group_to_expand);
 725                         _ignore_expand = false;
 726                 }
 727         }
 728
 729         /** @param group Group to add dkdm to */
 730         void add_dkdm(shared_ptr<DKDMBase> dkdm, shared_ptr<DKDMGroup> group, shared_ptr<DKDM> previous = shared_ptr<DKDM>())
 731         {
 732                 group->add (dkdm, previous);
 733                 /* We're messing with a Config-owned object here, so tell it that something has changed.
 734                    This isn't nice.
 735                 */
 736                 Config::instance()->changed ();
 737         }
 738
 739         wxTreeItemId dkdm_to_id (shared_ptr<DKDMBase> dkdm)
 740         {
 741                 for (auto const& i: _dkdm_id) {
 742                         if (i.second == dkdm) {
 743                                 return i.first;
 744                         }
 745                 }
 746                 DCPOMATIC_ASSERT (false);
 747         }
 748
 749         void remove_dkdm_clicked ()
 750         {
 751                 auto removed = selected_dkdm ();
 752                 if (!removed) {
 753                         return;
 754                 }
 755
 756                 if (removed->contains_dkdm()) {
 757                         if (NagDialog::maybe_nag(
 758                                     this, Config::NAG_DELETE_DKDM,
 759                                     _("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.  "
 760                                       "Are you sure?"),
 761                                     true)) {
 762                                 return;
 763                         }
 764                 }
 765
 766                 _dkdm->Delete (dkdm_to_id (removed));
 767                 auto dkdms = Config::instance()->dkdms ();
 768                 dkdms->remove (removed);
 769                 Config::instance()->changed ();
 770         }
 771
 772         void export_dkdm_clicked ()
 773         {
 774                 auto removed = selected_dkdm ();
 775                 if (!removed) {
 776                         return;
 777                 }
 778
 779                 auto dkdm = dynamic_pointer_cast<DKDM>(removed);
 780                 if (!dkdm) {
 781                         return;
 782                 }
 783
 784                 wxFileDialog dialog(
 785                         this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
 786                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
 787                         );
 788
 789                 if (dialog.ShowModal() == wxID_OK) {
 790                         dkdm->dkdm().as_xml(wx_to_std(dialog.GetPath()));
 791                 }
 792         }
 793
 794         void dkdm_search_changed()
 795         {
 796                 update_dkdm_view();
 797         }
 798
 799         wxPreferencesEditor* _config_dialog;
 800         ScreensPanel* _screens;
 801         KDMTimingPanel* _timing;
 802         wxTreeCtrl* _dkdm;
 803         wxSearchCtrl* _dkdm_search;
 804         typedef std::map<wxTreeItemId, std::shared_ptr<DKDMBase>> DKDMMap;
 805         DKDMMap _dkdm_id;
 806         /* Keep a separate track of the selected DKDM so that when a search happens, and some things
 807          * get removed from the view, we can restore the selection when they are re-added.
 808          */
 809         shared_ptr<DKDMBase> _selected_dkdm;
 810         /* Keep expanded groups for the same reason */
 811         unordered_set<shared_ptr<DKDMBase>> _expanded_dkdm_groups;
 812         /* true if we are "artificially" expanding a group because it contains something found
 813          * in a search.
 814          */
 815         bool _ignore_expand = false;
 816         wxButton* _add_dkdm;
 817         wxButton* _add_dkdm_folder;
 818         wxButton* _remove_dkdm;
 819         wxButton* _export_dkdm;
 820         wxButton* _create;
 821         KDMOutputPanel* _output;
 822         JobViewDialog* _job_view;
 823         Collator _collator;
 824 };
 825
 826
 827 /** @class App
 828  *  @brief The magic App class for wxWidgets.
 829  */
 830 class App : public wxApp
 831 {
 832 public:
 833         App ()
 834                 : wxApp ()
 835                 , _frame (nullptr)
 836         {}
 837
 838 private:
 839
 840         bool OnInit () override
 841         {
 842                 wxSplashScreen* splash;
 843
 844                 try {
 845                         wxInitAllImageHandlers ();
 846
 847                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 848                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 849
 850                         splash = maybe_show_splash ();
 851
 852                         SetAppName(variant::wx::dcpomatic_kdm_creator());
 853
 854                         if (!wxApp::OnInit()) {
 855                                 return false;
 856                         }
 857
 858 #ifdef DCPOMATIC_LINUX
 859                         unsetenv ("UBUNTU_MENUPROXY");
 860 #endif
 861
 862 #ifdef DCPOMATIC_OSX
 863                         make_foreground_application ();
 864 #endif
 865
 866                         dcpomatic_setup_path_encoding ();
 867
 868                         /* Enable i18n; this will create a Config object
 869                            to look for a force-configured language.  This Config
 870                            object will be wrong, however, because dcpomatic_setup
 871                            hasn't yet been called and there aren't any filters etc.
 872                            set up yet.
 873                         */
 874                         dcpomatic_setup_i18n ();
 875
 876                         /* Set things up, including filters etc.
 877                            which will now be internationalised correctly.
 878                         */
 879                         dcpomatic_setup ();
 880
 881                         /* Force the configuration to be re-loaded correctly next
 882                            time it is needed.
 883                         */
 884                         Config::drop ();
 885
 886                         _frame = new DOMFrame(variant::wx::dcpomatic_kdm_creator());
 887                         SetTopWindow (_frame);
 888                         _frame->Maximize ();
 889                         if (splash) {
 890                                 splash->Destroy ();
 891                                 splash = nullptr;
 892                         }
 893                         _frame->Show ();
 894
 895                         signal_manager = new wxSignalManager (this);
 896                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 897                 }
 898                 catch (exception& e)
 899                 {
 900                         if (splash) {
 901                                 splash->Destroy ();
 902                         }
 903                         error_dialog(nullptr, variant::wx::insert_dcpomatic_kdm_creator(_("%s could not start")), std_to_wx(e.what()));
 904                 }
 905
 906                 return true;
 907         }
 908
 909         /* An unhandled exception has occurred inside the main event loop */
 910         bool OnExceptionInMainLoop () override
 911         {
 912                 try {
 913                         throw;
 914                 } catch (FileError& e) {
 915                         error_dialog (
 916                                 0,
 917                                 wxString::Format (
 918                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 919                                         std_to_wx (e.what()),
 920                                         std_to_wx (e.file().string().c_str ())
 921                                         )
 922                                 );
 923                 } catch (exception& e) {
 924                         error_dialog (
 925                                 nullptr,
 926                                 wxString::Format (
 927                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 928                                         std_to_wx(e.what())
 929                                         )
 930                                 );
 931                 } catch (...) {
 932                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 933                 }
 934
 935                 /* This will terminate the program */
 936                 return false;
 937         }
 938
 939         void OnUnhandledException () override
 940         {
 941                 error_dialog (nullptr, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 942         }
 943
 944         void idle ()
 945         {
 946                 signal_manager->ui_idle ();
 947         }
 948
 949         void config_failed_to_load(Config::LoadFailure what)
 950         {
 951                 report_config_load_failure(_frame, what);
 952         }
 953
 954         void config_warning (string m)
 955         {
 956                 message_dialog (_frame, std_to_wx(m));
 957         }
 958
 959         DOMFrame* _frame;
 960 };
 961
 962 IMPLEMENT_APP (App)