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