Don't crash if preferences ZIP needs to be overwritten during export.
[dcpomatic.git] / src / tools / dcpomatic.cc
1 /*
2     Copyright (C) 2012-2021 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 /** @file  src/tools/dcpomatic.cc
23  *  @brief The main DCP-o-matic GUI.
24  */
25
26
27 #include "wx/about_dialog.h"
28 #include "wx/content_panel.h"
29 #include "wx/dkdm_dialog.h"
30 #include "wx/export_subtitles_dialog.h"
31 #include "wx/export_video_file_dialog.h"
32 #include "wx/film_editor.h"
33 #include "wx/film_name_location_dialog.h"
34 #include "wx/film_viewer.h"
35 #include "wx/focus_manager.h"
36 #include "wx/full_config_dialog.h"
37 #include "wx/hints_dialog.h"
38 #include "wx/html_dialog.h"
39 #include "wx/i18n_hook.h"
40 #include "wx/job_manager_view.h"
41 #include "wx/kdm_dialog.h"
42 #include "wx/nag_dialog.h"
43 #include "wx/paste_dialog.h"
44 #include "wx/recreate_chain_dialog.h"
45 #include "wx/report_problem_dialog.h"
46 #include "wx/save_template_dialog.h"
47 #include "wx/self_dkdm_dialog.h"
48 #include "wx/send_i18n_dialog.h"
49 #include "wx/servers_list_dialog.h"
50 #include "wx/standard_controls.h"
51 #include "wx/system_information_dialog.h"
52 #include "wx/templates_dialog.h"
53 #include "wx/update_dialog.h"
54 #include "wx/video_waveform_dialog.h"
55 #include "wx/wx_signal_manager.h"
56 #include "wx/wx_util.h"
57 #include "lib/analytics.h"
58 #include "lib/audio_content.h"
59 #include "lib/check_content_job.h"
60 #include "lib/cinema.h"
61 #include "lib/compose.hpp"
62 #include "lib/config.h"
63 #include "lib/constants.h"
64 #include "lib/content.h"
65 #include "lib/content_factory.h"
66 #include "lib/cross.h"
67 #include "lib/cross.h"
68 #include "lib/dcp_content.h"
69 #include "lib/dcpomatic_log.h"
70 #include "lib/dcpomatic_socket.h"
71 #include "lib/dkdm_wrapper.h"
72 #include "lib/emailer.h"
73 #include "lib/encode_server_finder.h"
74 #include "lib/exceptions.h"
75 #include "lib/ffmpeg_encoder.h"
76 #include "lib/film.h"
77 #include "lib/font_config.h"
78 #include "lib/hints.h"
79 #include "lib/job_manager.h"
80 #include "lib/kdm_with_metadata.h"
81 #include "lib/log.h"
82 #include "lib/make_dcp.h"
83 #include "lib/release_notes.h"
84 #include "lib/screen.h"
85 #include "lib/send_kdm_email_job.h"
86 #include "lib/signal_manager.h"
87 #include "lib/subtitle_encoder.h"
88 #include "lib/text_content.h"
89 #include "lib/transcode_job.h"
90 #include "lib/update_checker.h"
91 #include "lib/version.h"
92 #include "lib/video_content.h"
93 #include <dcp/exceptions.h>
94 #include <dcp/filesystem.h>
95 #include <dcp/raw_convert.h>
96 #include <dcp/warnings.h>
97 LIBDCP_DISABLE_WARNINGS
98 #include <wx/cmdline.h>
99 #include <wx/generic/aboutdlgg.h>
100 #include <wx/preferences.h>
101 #include <wx/splash.h>
102 #include <wx/stdpaths.h>
103 #include <wx/wxhtml.h>
104 LIBDCP_ENABLE_WARNINGS
105 #ifdef __WXGTK__
106 #include <X11/Xlib.h>
107 #endif
108 #ifdef __WXMSW__
109 #include <shellapi.h>
110 #endif
111 #include <boost/algorithm/string.hpp>
112 #include <boost/filesystem.hpp>
113 #include <iostream>
114 #include <fstream>
115 /* This is OK as it's only used with DCPOMATIC_WINDOWS */
116 #include <sstream>
117
118 #ifdef check
119 #undef check
120 #endif
121
122
123 using std::cout;
124 using std::dynamic_pointer_cast;
125 using std::exception;
126 using std::function;
127 using std::list;
128 using std::make_pair;
129 using std::make_shared;
130 using std::map;
131 using std::shared_ptr;
132 using std::string;
133 using std::vector;
134 using std::wcout;
135 using boost::optional;
136 using boost::is_any_of;
137 using boost::algorithm::find;
138 #if BOOST_VERSION >= 106100
139 using namespace boost::placeholders;
140 #endif
141 using dcp::raw_convert;
142
143
144 class FilmChangedClosingDialog
145 {
146 public:
147         explicit FilmChangedClosingDialog (string name)
148                 : _dialog(
149                         nullptr,
150                         wxString::Format(_("Save changes to film \"%s\" before closing?"), std_to_wx (name).data()),
151                         /// TRANSLATORS: this is the heading for a dialog box, which tells the user that the current
152                         /// project (Film) has been changed since it was last saved.
153                         _("Film changed"),
154                         wxYES_NO | wxCANCEL | wxYES_DEFAULT | wxICON_QUESTION
155                         )
156         {
157                 _dialog.SetYesNoCancelLabels(
158                         _("Save film and close"), _("Close without saving film"), _("Don't close")
159                         );
160         }
161
162         int run ()
163         {
164                 return _dialog.ShowModal();
165         }
166
167 private:
168         wxMessageDialog _dialog;
169 };
170
171
172 class FilmChangedDuplicatingDialog
173 {
174 public:
175         explicit FilmChangedDuplicatingDialog (string name)
176                 : _dialog(
177                         nullptr,
178                         wxString::Format(_("Save changes to film \"%s\" before duplicating?"), std_to_wx (name).data()),
179                         /// TRANSLATORS: this is the heading for a dialog box, which tells the user that the current
180                         /// project (Film) has been changed since it was last saved.
181                         _("Film changed"),
182                         wxYES_NO | wxCANCEL | wxYES_DEFAULT | wxICON_QUESTION
183                         )
184         {
185                 _dialog.SetYesNoCancelLabels(
186                         _("Save film and duplicate"), _("Duplicate without saving film"), _("Don't duplicate")
187                         );
188         }
189
190         int run ()
191         {
192                 return _dialog.ShowModal();
193         }
194
195 private:
196         wxMessageDialog _dialog;
197 };
198
199
200 #define ALWAYS                        0x0
201 #define NEEDS_FILM                    0x1
202 #define NOT_DURING_DCP_CREATION       0x2
203 #define NEEDS_CPL                     0x4
204 #define NEEDS_SINGLE_SELECTED_CONTENT 0x8
205 #define NEEDS_SELECTED_CONTENT        0x10
206 #define NEEDS_SELECTED_VIDEO_CONTENT  0x20
207 #define NEEDS_CLIPBOARD               0x40
208 #define NEEDS_ENCRYPTION              0x80
209
210
211 map<wxMenuItem*, int> menu_items;
212
213 enum {
214         ID_file_new = 1,
215         ID_file_open,
216         ID_file_save,
217         ID_file_save_as_template,
218         ID_file_duplicate,
219         ID_file_duplicate_and_open,
220         ID_file_history,
221         /* Allow spare IDs after _history for the recent files list */
222         ID_file_close = 100,
223         ID_edit_copy,
224         ID_edit_paste,
225         ID_edit_select_all,
226         ID_jobs_make_dcp,
227         ID_jobs_make_dcp_batch,
228         ID_jobs_make_kdms,
229         ID_jobs_make_dkdms,
230         ID_jobs_make_self_dkdm,
231         ID_jobs_export_video_file,
232         ID_jobs_export_subtitles,
233         ID_jobs_send_dcp_to_tms,
234         ID_jobs_show_dcp,
235         ID_jobs_open_dcp_in_player,
236         ID_view_closed_captions,
237         ID_view_video_waveform,
238         ID_tools_hints,
239         ID_tools_encoding_servers,
240         ID_tools_manage_templates,
241         ID_tools_check_for_updates,
242         ID_tools_send_translations,
243         ID_tools_system_information,
244         ID_tools_restore_default_preferences,
245         ID_tools_export_preferences,
246         ID_help_report_a_problem,
247         /* IDs for shortcuts (with no associated menu item) */
248         ID_add_file,
249         ID_remove,
250         ID_start_stop,
251         ID_timeline,
252         ID_back_frame,
253         ID_forward_frame
254 };
255
256
257 class LimitedFrameSplitter : public wxSplitterWindow
258 {
259 public:
260         LimitedFrameSplitter(wxWindow* parent)
261                 : wxSplitterWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxSP_NOBORDER | wxSP_3DSASH | wxSP_LIVE_UPDATE)
262         {
263                 /* This value doesn't really mean much but we just want to stop double-click on the
264                    divider from shrinking the left panel.
265                    */
266                 SetMinimumPaneSize(64);
267
268                 Bind(wxEVT_SIZE, boost::bind(&LimitedFrameSplitter::sized, this, _1));
269         }
270
271         bool OnSashPositionChange(int new_position) override
272         {
273                 /* Try to stop the left bit of the splitter getting too small */
274                 auto const ok = new_position > _left_panel_minimum_size;
275                 if (ok) {
276                         Config::instance()->set_main_divider_sash_position(new_position);
277                 }
278                 return ok;
279         }
280
281 private:
282         void sized(wxSizeEvent& ev)
283         {
284                 if (GetSize().GetWidth() > _left_panel_minimum_size && GetSashPosition() < _left_panel_minimum_size) {
285                         /* The window is now fairly big but the left panel is small; this happens when the DCP-o-matic window
286                          * is shrunk and then made larger again.  Try to set a sensible left panel size in this case.
287                          */
288                         SetSashPosition(Config::instance()->main_divider_sash_position().get_value_or(_left_panel_minimum_size));
289                 }
290
291                 ev.Skip();
292         }
293
294         int const _left_panel_minimum_size = 200;
295 };
296
297
298 class DOMFrame : public wxFrame
299 {
300 public:
301         explicit DOMFrame (wxString const& title)
302                 : wxFrame (nullptr, -1, title)
303                 /* Use a panel as the only child of the Frame so that we avoid
304                    the dark-grey background on Windows.
305                 */
306                 , _splitter(new LimitedFrameSplitter(this))
307                 , _right_panel(new wxPanel(_splitter, wxID_ANY))
308                 , _film_viewer(_right_panel)
309         {
310
311                 auto bar = new wxMenuBar;
312                 setup_menu (bar);
313                 SetMenuBar (bar);
314
315 #ifdef DCPOMATIC_WINDOWS
316                 SetIcon (wxIcon (std_to_wx ("id")));
317 #endif
318
319                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&DOMFrame::config_changed, this, _1));
320                 config_changed (Config::OTHER);
321
322                 _analytics_message_connection = Analytics::instance()->Message.connect(boost::bind(&DOMFrame::analytics_message, this, _1, _2));
323
324                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_new, this),                ID_file_new);
325                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this),               ID_file_open);
326                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save, this),               ID_file_save);
327                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_as_template, this),   ID_file_save_as_template);
328                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_duplicate, this),          ID_file_duplicate);
329                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_duplicate_and_open, this), ID_file_duplicate_and_open);
330                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this),              ID_file_close);
331                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1),        ID_file_history, ID_file_history + HISTORY_SIZE);
332                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),               wxID_EXIT);
333                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_copy, this),               ID_edit_copy);
334                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_paste, this),              ID_edit_paste);
335                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_select_all, this),         ID_edit_select_all);
336                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),        wxID_PREFERENCES);
337                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dcp, this),           ID_jobs_make_dcp);
338                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_kdms, this),          ID_jobs_make_kdms);
339                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dkdms, this),         ID_jobs_make_dkdms);
340                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dcp_batch, this),     ID_jobs_make_dcp_batch);
341                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_self_dkdm, this),     ID_jobs_make_self_dkdm);
342                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_export_video_file, this),  ID_jobs_export_video_file);
343                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_export_subtitles, this),   ID_jobs_export_subtitles);
344                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_send_dcp_to_tms, this),    ID_jobs_send_dcp_to_tms);
345                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_show_dcp, this),           ID_jobs_show_dcp);
346                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_open_dcp_in_player, this), ID_jobs_open_dcp_in_player);
347                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this),    ID_view_closed_captions);
348                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_video_waveform, this),     ID_view_video_waveform);
349                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_hints, this),             ID_tools_hints);
350                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_encoding_servers, this),  ID_tools_encoding_servers);
351                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_manage_templates, this),  ID_tools_manage_templates);
352                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
353                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_send_translations, this), ID_tools_send_translations);
354                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this),ID_tools_system_information);
355                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_restore_default_preferences, this), ID_tools_restore_default_preferences);
356                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_export_preferences, this), ID_tools_export_preferences);
357                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),              wxID_ABOUT);
358                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this),   ID_help_report_a_problem);
359
360                 Bind (wxEVT_CLOSE_WINDOW, boost::bind (&DOMFrame::close, this, _1));
361                 Bind (wxEVT_SHOW, boost::bind (&DOMFrame::show, this, _1));
362
363                 auto left_panel = new wxPanel(_splitter, wxID_ANY);
364
365                 _film_editor = new FilmEditor(left_panel, _film_viewer);
366
367                 auto left_sizer = new wxBoxSizer(wxHORIZONTAL);
368                 left_sizer->Add(_film_editor, 1, wxEXPAND);
369
370                 left_panel->SetSizerAndFit(left_sizer);
371
372                 _controls = new StandardControls(_right_panel, _film_viewer, true);
373                 _controls->set_film(_film_viewer.film());
374                 auto job_manager_view = new JobManagerView(_right_panel, false);
375
376                 auto right_sizer = new wxBoxSizer (wxVERTICAL);
377                 right_sizer->Add(_film_viewer.panel(), 2, wxEXPAND | wxALL, 6);
378                 right_sizer->Add (_controls, 0, wxEXPAND | wxALL, 6);
379                 right_sizer->Add (job_manager_view, 1, wxEXPAND | wxALL, 6);
380
381                 _right_panel->SetSizer(right_sizer);
382
383                 _splitter->SplitVertically(left_panel, _right_panel, Config::instance()->main_divider_sash_position().get_value_or(left_panel->GetSize().GetWidth() + 8));
384
385                 set_menu_sensitivity ();
386
387                 _film_editor->content_panel()->SelectionChanged.connect (boost::bind (&DOMFrame::set_menu_sensitivity, this));
388                 set_title ();
389
390                 JobManager::instance()->ActiveJobsChanged.connect(boost::bind(&DOMFrame::active_jobs_changed, this));
391
392                 UpdateChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::update_checker_state_changed, this));
393
394                 FocusManager::instance()->SetFocus.connect (boost::bind (&DOMFrame::remove_accelerators, this));
395                 FocusManager::instance()->KillFocus.connect (boost::bind (&DOMFrame::add_accelerators, this));
396                 add_accelerators ();
397         }
398
399         void add_accelerators ()
400         {
401 #ifdef __WXOSX__
402                 int accelerators = 7;
403 #else
404                 int accelerators = 6;
405 #endif
406                 std::vector<wxAcceleratorEntry> accel(accelerators);
407                 /* [Shortcut] Ctrl+A:Add file(s) to the film */
408                 accel[0].Set (wxACCEL_CTRL, static_cast<int>('A'), ID_add_file);
409                 /* [Shortcut] Delete:Remove selected content from film */
410                 accel[1].Set (wxACCEL_NORMAL, WXK_DELETE, ID_remove);
411                 /* [Shortcut] Space:Start/stop playback */
412                 accel[2].Set (wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
413                 /* [Shortcut] Ctrl+T:Open timeline window */
414                 accel[3].Set (wxACCEL_CTRL, static_cast<int>('T'), ID_timeline);
415                 /* [Shortcut] Left arrow:Move back one frame */
416                 accel[4].Set (wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
417                 /* [Shortcut] Right arrow:Move forward one frame */
418                 accel[5].Set (wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
419 #ifdef __WXOSX__
420                 accel[6].Set (wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
421 #endif
422                 Bind (wxEVT_MENU, boost::bind (&ContentPanel::add_file_clicked, _film_editor->content_panel()), ID_add_file);
423                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::remove_clicked, this, _1), ID_remove);
424                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
425                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::timeline_pressed, this), ID_timeline);
426                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
427                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
428                 wxAcceleratorTable accel_table (accelerators, accel.data());
429                 SetAcceleratorTable (accel_table);
430         }
431
432         void remove_accelerators ()
433         {
434                 SetAcceleratorTable (wxAcceleratorTable ());
435         }
436
437         void remove_clicked (wxCommandEvent& ev)
438         {
439                 if (_film_editor->content_panel()->remove_clicked (true)) {
440                         ev.Skip ();
441                 }
442         }
443
444         void new_film (boost::filesystem::path path, optional<string> template_name)
445         {
446                 auto film = make_shared<Film>(path);
447                 if (template_name) {
448                         film->use_template (template_name.get());
449                 }
450                 film->set_name (path.filename().generic_string());
451                 film->write_metadata ();
452                 set_film (film);
453         }
454
455         void load_film (boost::filesystem::path file)
456         try
457         {
458                 auto film = make_shared<Film>(file);
459                 auto const notes = film->read_metadata ();
460
461                 if (film->state_version() == 4) {
462                         error_dialog (
463                                 0,
464                                 _("This film was created with an old version of DVD-o-matic and may not load correctly "
465                                   "in this version.  Please check the film's settings carefully.")
466                                 );
467                 }
468
469                 for (auto i: notes) {
470                         error_dialog (0, std_to_wx(i));
471                 }
472
473                 set_film (film);
474
475                 JobManager::instance()->add(make_shared<CheckContentJob>(film));
476         }
477         catch (FileNotFoundError& e) {
478                 auto const dir = e.file().parent_path();
479                 if (dcp::filesystem::exists(dir / "ASSETMAP") || dcp::filesystem::exists(dir / "ASSETMAP.xml")) {
480                         error_dialog (
481                                 this, _("Could not open this folder as a DCP-o-matic project."),
482                                 _("It looks like you are trying to open a DCP.  File -> Open is for loading DCP-o-matic projects, not DCPs.  To import a DCP, create a new project with File -> New and then click the \"Add DCP...\" button.")
483                                 );
484                 } else {
485                         auto const p = std_to_wx(file.string ());
486                         error_dialog (this, wxString::Format(_("Could not open film at %s"), p.data()), std_to_wx(e.what()));
487                 }
488
489         } catch (std::exception& e) {
490                 auto const p = std_to_wx (file.string());
491                 error_dialog (this, wxString::Format(_("Could not open film at %s"), p.data()), std_to_wx(e.what()));
492         }
493
494         void set_film (shared_ptr<Film> film)
495         {
496                 _film = film;
497                 _film_viewer.set_film(_film);
498                 _film_editor->set_film(_film);
499                 _controls->set_film (_film);
500                 _video_waveform_dialog.reset();
501                 set_menu_sensitivity ();
502                 if (_film && _film->directory()) {
503                         Config::instance()->add_to_history (_film->directory().get());
504                 }
505                 if (_film) {
506                         _film->Change.connect (boost::bind (&DOMFrame::film_change, this, _1));
507                         _film->Message.connect (boost::bind(&DOMFrame::film_message, this, _1));
508                         _film->DirtyChange.connect (boost::bind(&DOMFrame::set_title, this));
509                         dcpomatic_log = _film->log ();
510                 }
511                 set_title ();
512         }
513
514         shared_ptr<Film> film () const {
515                 return _film;
516         }
517
518 private:
519
520         void show (wxShowEvent& ev)
521         {
522                 if (ev.IsShown() && !_first_shown_called) {
523                         _film_editor->first_shown ();
524                         _first_shown_called = true;
525                 }
526         }
527
528         void film_message (string m)
529         {
530                 message_dialog (this, std_to_wx(m));
531         }
532
533         void film_change (ChangeType type)
534         {
535                 if (type == ChangeType::DONE) {
536                         set_menu_sensitivity ();
537                 }
538         }
539
540         void file_new ()
541         {
542                 FilmNameLocationDialog dialog(this, _("New Film"), true);
543                 int const r = dialog.ShowModal();
544
545                 if (r != wxID_OK || !dialog.check_path() || !maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
546                         return;
547                 }
548
549                 try {
550                         new_film(dialog.path(), dialog.template_name());
551                 } catch (boost::filesystem::filesystem_error& e) {
552 #ifdef DCPOMATIC_WINDOWS
553                         string bad_chars = "<>:\"/|?*";
554                         string const filename = dialog.path().filename().string();
555                         string found_bad_chars;
556                         for (size_t i = 0; i < bad_chars.length(); ++i) {
557                                 if (filename.find(bad_chars[i]) != string::npos && found_bad_chars.find(bad_chars[i]) == string::npos) {
558                                         found_bad_chars += bad_chars[i];
559                                 }
560                         }
561                         wxString message = _("Could not create folder to store film.");
562                         message += "  ";
563                         if (!found_bad_chars.empty()) {
564                                 message += wxString::Format (_("Try removing the %s characters from your folder name."), std_to_wx(found_bad_chars).data());
565                         } else {
566                                 message += _("Please check that you do not have Windows controlled folder access enabled for DCP-o-matic.");
567                         }
568                         error_dialog (this, message, std_to_wx(e.what()));
569 #else
570                         error_dialog (this, _("Could not create folder to store film."), std_to_wx(e.what()));
571 #endif
572                 }
573         }
574
575         void file_open ()
576         {
577                 wxDirDialog dialog(
578                         this,
579                         _("Select film to open"),
580                         std_to_wx (Config::instance()->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()),
581                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
582                         );
583
584                 int r;
585                 while (true) {
586                         r = dialog.ShowModal();
587                         if (r == wxID_OK && dialog.GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
588                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
589                         } else {
590                                 break;
591                         }
592                 }
593
594                 if (r == wxID_OK && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
595                         load_film(wx_to_std(dialog.GetPath()));
596                 }
597         }
598
599         void file_save ()
600         {
601                 try {
602                         _film->write_metadata ();
603                 } catch (exception& e) {
604                         error_dialog(this, _("Could not save project."), std_to_wx(e.what()));
605                 }
606         }
607
608         void file_save_as_template ()
609         {
610                 SaveTemplateDialog dialog(this);
611                 if (dialog.ShowModal() == wxID_OK) {
612                         try {
613                                 Config::instance()->save_template(_film, dialog.name());
614                         } catch (exception& e) {
615                                 error_dialog(this, _("Could not save template."), std_to_wx(e.what()));
616                         }
617                 }
618         }
619
620         void file_duplicate ()
621         {
622                 FilmNameLocationDialog dialog(this, _("Duplicate Film"), false);
623
624                 if (dialog.ShowModal() == wxID_OK && dialog.check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
625                         auto film = make_shared<Film>(dialog.path());
626                         film->copy_from (_film);
627                         film->set_name(dialog.path().filename().generic_string());
628                         try {
629                                 film->write_metadata();
630                         } catch (exception& e) {
631                                 error_dialog(this, _("Could not duplicate project."), std_to_wx(e.what()));
632                         }
633                 }
634         }
635
636         void file_duplicate_and_open ()
637         {
638                 FilmNameLocationDialog dialog(this, _("Duplicate Film"), false);
639
640                 if (dialog.ShowModal() == wxID_OK && dialog.check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
641                         auto film = make_shared<Film>(dialog.path());
642                         film->copy_from (_film);
643                         film->set_name(dialog.path().filename().generic_string());
644                         try {
645                                 film->write_metadata ();
646                                 set_film (film);
647                         } catch (exception& e) {
648                                 error_dialog(this, _("Could not duplicate project."), std_to_wx(e.what()));
649                         }
650                 }
651         }
652
653         void file_close ()
654         {
655                 if (_film && _film->dirty ()) {
656                         FilmChangedClosingDialog dialog(_film->name());
657                         switch (dialog.run()) {
658                         case wxID_NO:
659                                 /* Don't save and carry on to close */
660                                 break;
661                         case wxID_YES:
662                                 /* Save and carry on to close */
663                                 _film->write_metadata ();
664                                 break;
665                         case wxID_CANCEL:
666                                 /* Stop */
667                                 return;
668                         }
669                 }
670
671                 set_film (shared_ptr<Film>());
672         }
673
674         void file_history (wxCommandEvent& event)
675         {
676                 auto history = Config::instance()->history ();
677                 int n = event.GetId() - ID_file_history;
678                 if (n >= 0 && n < static_cast<int> (history.size ()) && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
679                         load_film (history[n]);
680                 }
681         }
682
683         void file_exit ()
684         {
685                 /* false here allows the close handler to veto the close request */
686                 Close (false);
687         }
688
689         void edit_copy ()
690         {
691                 auto const sel = _film_editor->content_panel()->selected();
692                 if (sel.size() == 1) {
693                         _clipboard = sel.front()->clone();
694                 }
695         }
696
697         void edit_paste ()
698         {
699                 if (!_clipboard) {
700                         return;
701                 }
702
703                 PasteDialog dialog(this, static_cast<bool>(_clipboard->video), static_cast<bool>(_clipboard->audio), !_clipboard->text.empty());
704                 if (dialog.ShowModal() != wxID_OK) {
705                         return;
706                 }
707
708                 for (auto i: _film_editor->content_panel()->selected()) {
709                         if (dialog.video() && i->video) {
710                                 DCPOMATIC_ASSERT (_clipboard->video);
711                                 i->video->take_settings_from (_clipboard->video);
712                         }
713                         if (dialog.audio() && i->audio) {
714                                 DCPOMATIC_ASSERT (_clipboard->audio);
715                                 i->audio->take_settings_from (_clipboard->audio);
716                         }
717
718                         if (dialog.text()) {
719                                 auto j = i->text.begin ();
720                                 auto k = _clipboard->text.begin ();
721                                 while (j != i->text.end() && k != _clipboard->text.end()) {
722                                         (*j)->take_settings_from (*k);
723                                         ++j;
724                                         ++k;
725                                 }
726                         }
727                 }
728         }
729
730         void edit_select_all ()
731         {
732                 _film_editor->content_panel()->select_all();
733         }
734
735         void edit_preferences ()
736         {
737                 if (!_config_dialog) {
738                         _config_dialog = create_full_config_dialog ();
739                 }
740                 _config_dialog->Show (this);
741         }
742
743         void tools_restore_default_preferences ()
744         {
745                 wxMessageDialog dialog(
746                         nullptr,
747                         _("Are you sure you want to restore preferences to their defaults?  This cannot be undone."),
748                         _("Restore default preferences"),
749                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
750                         );
751
752                 if (dialog.ShowModal() == wxID_YES) {
753                         Config::restore_defaults ();
754                 }
755         }
756
757         void tools_export_preferences ()
758         {
759                 wxFileDialog dialog(
760                         this, _("Specify ZIP file"), wxEmptyString, wxT("dcpomatic_config.zip"), wxT("ZIP files (*.zip)|*.zip"),
761                         wxFD_SAVE | wxFD_OVERWRITE_PROMPT
762                         );
763
764                 if (dialog.ShowModal() == wxID_OK) {
765                         auto const path = boost::filesystem::path(wx_to_std(dialog.GetPath()));
766                         if (boost::filesystem::exists(path)) {
767                                 boost::system::error_code ec;
768                                 boost::filesystem::remove(path, ec);
769                                 if (ec) {
770                                         error_dialog(nullptr, _("Could not remove existing preferences file"), std_to_wx(path.string()));
771                                         return;
772                                 }
773                         }
774
775                         save_all_config_as_zip(path);
776                 }
777         }
778
779         void jobs_make_dcp ()
780         {
781                 double required;
782                 double available;
783                 bool can_hard_link;
784
785                 if (!_film->should_be_enough_disk_space (required, available, can_hard_link)) {
786                         wxString message;
787                         if (can_hard_link) {
788                                 message = wxString::Format (_("The DCP for this film will take up about %.1f GB, and the disk that you are using only has %.1f GB available.  Do you want to continue anyway?"), required, available);
789                         } else {
790                                 message = wxString::Format (_("The DCP and intermediate files for this film will take up about %.1f GB, and the disk that you are using only has %.1f GB available.  You would need half as much space if the filesystem supported hard links, but it does not.  Do you want to continue anyway?"), required, available);
791                         }
792                         if (!confirm_dialog (this, message)) {
793                                 return;
794                         }
795                 }
796
797                 if (Config::instance()->show_hints_before_make_dcp()) {
798                         HintsDialog hints(this, _film, false);
799                         if (hints.ShowModal() == wxID_CANCEL) {
800                                 return;
801                         }
802                 }
803
804                 if (_film->encrypted ()) {
805                         NagDialog::maybe_nag (
806                                 this,
807                                 Config::NAG_ENCRYPTED_METADATA,
808                                 _("You are making an encrypted DCP.  It will not be possible to make KDMs for this DCP unless you have copies of "
809                                   "the <tt>metadata.xml</tt> file within the film and the metadata files within the DCP.\n\n"
810                                   "You should ensure that these files are <span weight=\"bold\" size=\"larger\">BACKED UP</span> "
811                                   "if you want to make KDMs for this film.")
812                                 );
813                 }
814
815                 /* Remove any existing DCP if the user agrees */
816                 auto const dcp_dir = _film->dir (_film->dcp_name(), false);
817                 if (dcp::filesystem::exists(dcp_dir)) {
818                         if (!confirm_dialog (this, wxString::Format (_("Do you want to overwrite the existing DCP %s?"), std_to_wx(dcp_dir.string()).data()))) {
819                                 return;
820                         }
821                         dcp::filesystem::remove_all(dcp_dir);
822                 }
823
824                 try {
825                         /* It seems to make sense to auto-save metadata here, since the make DCP may last
826                            a long time, and crashes/power failures are moderately likely.
827                         */
828                         _film->write_metadata ();
829                         make_dcp (_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
830                 } catch (BadSettingError& e) {
831                         error_dialog (this, wxString::Format (_("Bad setting for %s."), std_to_wx(e.setting()).data()), std_to_wx(e.what()));
832                 } catch (std::exception& e) {
833                         error_dialog (this, wxString::Format (_("Could not make DCP.")), std_to_wx(e.what()));
834                 }
835         }
836
837         void jobs_make_kdms ()
838         {
839                 if (!_film) {
840                         return;
841                 }
842
843                 _kdm_dialog.reset(this, _film);
844                 _kdm_dialog->Show ();
845         }
846
847         void jobs_make_dkdms ()
848         {
849                 if (!_film) {
850                         return;
851                 }
852
853                 _dkdm_dialog.reset(this, _film);
854                 _dkdm_dialog->Show ();
855         }
856
857         /** @return false if we succeeded, true if not */
858         bool send_to_other_tool (int port, function<void()> start, string message)
859         {
860                 /* i = 0; try to connect via socket
861                    i = 1; try again, and then try to start the tool
862                    i = 2 onwards; try again.
863                 */
864                 for (int i = 0; i < 8; ++i) {
865                         try {
866                                 boost::asio::io_service io_service;
867                                 boost::asio::ip::tcp::resolver resolver (io_service);
868                                 boost::asio::ip::tcp::resolver::query query ("127.0.0.1", raw_convert<string> (port));
869                                 boost::asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
870                                 Socket socket (5);
871                                 socket.connect (*endpoint_iterator);
872                                 DCPOMATIC_ASSERT (_film->directory ());
873                                 socket.write (message.length() + 1);
874                                 socket.write ((uint8_t *) message.c_str(), message.length() + 1);
875                                 /* OK\0 */
876                                 uint8_t ok[3];
877                                 socket.read (ok, 3);
878                                 return false;
879                         } catch (exception& e) {
880
881                         }
882
883                         if (i == 1) {
884                                 start ();
885                         }
886
887                         dcpomatic_sleep_seconds (1);
888                 }
889
890                 return true;
891         }
892
893         void jobs_make_dcp_batch ()
894         {
895                 if (!_film) {
896                         return;
897                 }
898
899                 if (Config::instance()->show_hints_before_make_dcp()) {
900                         HintsDialog hints(this, _film, false);
901                         if (hints.ShowModal() == wxID_CANCEL) {
902                                 return;
903                         }
904                 }
905
906                 _film->write_metadata ();
907
908                 if (send_to_other_tool (BATCH_JOB_PORT, &start_batch_converter, _film->directory()->string())) {
909 #ifdef DCPOMATIC_OSX
910                         error_dialog (this, _("Could not start the batch converter.  You may need to download it from dcpomatic.com."));
911 #else
912                         error_dialog (this, _("Could not find batch converter."));
913 #endif
914                 }
915         }
916
917         void jobs_open_dcp_in_player ()
918         {
919                 if (!_film) {
920                         return;
921                 }
922
923                 if (send_to_other_tool (PLAYER_PLAY_PORT, &start_player, _film->dir(_film->dcp_name(false)).string())) {
924 #ifdef DCPOMATIC_OSX
925                         error_dialog (this, _("Could not start the player.  You may need to download it from dcpomatic.com."));
926 #else
927                         error_dialog (this, _("Could not find player."));
928 #endif
929                 }
930         }
931
932         void jobs_make_self_dkdm ()
933         {
934                 if (!_film) {
935                         return;
936                 }
937
938                 SelfDKDMDialog dialog(this, _film);
939                 if (dialog.ShowModal() != wxID_OK) {
940                         return;
941                 }
942
943                 NagDialog::maybe_nag (
944                         this,
945                         Config::NAG_DKDM_CONFIG,
946                         wxString::Format (
947                                 _("You are making a DKDM which is encrypted by a private key held in"
948                                   "\n\n<tt>%s</tt>\n\nIt is <span weight=\"bold\" size=\"larger\">VITALLY IMPORTANT</span> "
949                                   "that you <span weight=\"bold\" size=\"larger\">BACK UP THIS FILE</span> since if it is lost "
950                                   "your DKDMs (and the DCPs they protect) will become useless."), std_to_wx(Config::config_read_file().string()).data()
951                                 )
952                         );
953
954
955                 dcp::LocalTime from (Config::instance()->signer_chain()->leaf().not_before());
956                 from.add_days (1);
957                 dcp::LocalTime to (Config::instance()->signer_chain()->leaf().not_after());
958                 to.add_days (-1);
959
960                 auto signer = Config::instance()->signer_chain();
961                 if (!signer->valid()) {
962                         error_dialog(this, _("The certificate chain for signing is invalid"));
963                         return;
964                 }
965
966                 optional<dcp::EncryptedKDM> kdm;
967                 try {
968                         auto const decrypted_kdm = _film->make_kdm(dialog.cpl(), from, to);
969                         auto const kdm = decrypted_kdm.encrypt(signer, Config::instance()->decryption_chain()->leaf(), {}, dcp::Formulation::MODIFIED_TRANSITIONAL_1, true, 0);
970                         if (dialog.internal()) {
971                                 auto dkdms = Config::instance()->dkdms();
972                                 dkdms->add(make_shared<DKDM>(kdm));
973                                 Config::instance()->changed ();
974                         } else {
975                                 auto path = dialog.directory() / (_film->dcp_name(false) + "_DKDM.xml");
976                                 kdm.as_xml(path);
977                         }
978                 } catch (dcp::NotEncryptedError& e) {
979                         error_dialog (this, _("CPL's content is not encrypted."));
980                 } catch (exception& e) {
981                         error_dialog (this, e.what ());
982                 } catch (...) {
983                         error_dialog (this, _("An unknown exception occurred."));
984                 }
985         }
986
987
988         void jobs_export_video_file ()
989         {
990                 ExportVideoFileDialog dialog(this, _film->isdcf_name(true));
991                 if (dialog.ShowModal() != wxID_OK) {
992                         return;
993                 }
994
995                 if (dcp::filesystem::exists(dialog.path())) {
996                         bool ok = confirm_dialog(
997                                         this,
998                                         wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(dialog.path().string()).data())
999                                         );
1000
1001                         if (!ok) {
1002                                 return;
1003                         }
1004                 }
1005
1006                 auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
1007                 job->set_encoder (
1008                         make_shared<FFmpegEncoder> (
1009                                 _film, job, dialog.path(), dialog.format(), dialog.mixdown_to_stereo(), dialog.split_reels(), dialog.split_streams(), dialog.x264_crf())
1010                         );
1011                 JobManager::instance()->add (job);
1012         }
1013
1014
1015         void jobs_export_subtitles ()
1016         {
1017                 ExportSubtitlesDialog dialog(this, _film->reels().size(), _film->interop());
1018                 if (dialog.ShowModal() != wxID_OK) {
1019                         return;
1020                 }
1021                 auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
1022                 job->set_encoder(
1023                         make_shared<SubtitleEncoder>(_film, job, dialog.path(), _film->isdcf_name(true), dialog.split_reels(), dialog.include_font())
1024                         );
1025                 JobManager::instance()->add(job);
1026         }
1027
1028
1029         void jobs_send_dcp_to_tms ()
1030         {
1031                 _film->send_dcp_to_tms ();
1032         }
1033
1034         void jobs_show_dcp ()
1035         {
1036                 DCPOMATIC_ASSERT (_film->directory ());
1037                 if (show_in_file_manager(_film->directory().get(), _film->dir(_film->dcp_name(false)))) {
1038                         error_dialog (this, _("Could not show DCP."));
1039                 }
1040         }
1041
1042         void view_closed_captions ()
1043         {
1044                 _film_viewer.show_closed_captions ();
1045         }
1046
1047         void view_video_waveform ()
1048         {
1049                 if (!_video_waveform_dialog) {
1050                         _video_waveform_dialog.reset(this, _film, _film_viewer);
1051                 }
1052
1053                 _video_waveform_dialog->Show ();
1054         }
1055
1056         void tools_system_information ()
1057         {
1058                 if (!_system_information_dialog) {
1059                         _system_information_dialog = new SystemInformationDialog (this, _film_viewer);
1060                 }
1061
1062                 _system_information_dialog->Show ();
1063         }
1064
1065         void tools_hints ()
1066         {
1067                 if (!_hints_dialog) {
1068                         _hints_dialog = new HintsDialog (this, _film, true);
1069                 }
1070
1071                 _hints_dialog->Show ();
1072         }
1073
1074         void tools_encoding_servers ()
1075         {
1076                 if (!_servers_list_dialog) {
1077                         _servers_list_dialog = new ServersListDialog (this);
1078                 }
1079
1080                 _servers_list_dialog->Show ();
1081         }
1082
1083         void tools_manage_templates ()
1084         {
1085                 if (!_templates_dialog) {
1086                         _templates_dialog.reset(this);
1087                 }
1088
1089                 _templates_dialog->Show ();
1090         }
1091
1092         void tools_check_for_updates ()
1093         {
1094                 _update_news_requested = true;
1095                 UpdateChecker::instance()->run();
1096         }
1097
1098         void tools_send_translations ()
1099         {
1100                 SendI18NDialog dialog(this);
1101                 if (dialog.ShowModal() != wxID_OK) {
1102                         return;
1103                 }
1104
1105                 string body;
1106                 body += dialog.name() + "\n";
1107                 body += dialog.language() + "\n";
1108                 body += string(dcpomatic_version) + " " + string(dcpomatic_git_commit) + "\n";
1109                 body += "--\n";
1110                 auto translations = I18NHook::translations ();
1111                 for (auto i: translations) {
1112                         body += i.first + "\n" + i.second + "\n\n";
1113                 }
1114                 if (dialog.email().find("@") == string::npos) {
1115                         error_dialog (this, _("You must enter a valid email address when sending translations, "
1116                                               "otherwise the DCP-o-matic maintainers cannot credit you or contact you with questions."));
1117                 } else {
1118                         Emailer emailer(dialog.email(), { "carl@dcpomatic.com" }, "DCP-o-matic translations", body);
1119                         try {
1120                                 emailer.send ("main.carlh.net", 2525, EmailProtocol::STARTTLS);
1121                         } catch (NetworkError& e) {
1122                                 error_dialog (this, _("Could not send translations"), std_to_wx(e.what()));
1123                         }
1124                 }
1125         }
1126
1127         void help_about ()
1128         {
1129                 AboutDialog dialog(this);
1130                 dialog.ShowModal();
1131         }
1132
1133         void help_report_a_problem ()
1134         {
1135                 ReportProblemDialog dialog(this, _film);
1136                 if (dialog.ShowModal() == wxID_OK) {
1137                         dialog.report();
1138                 }
1139         }
1140
1141         bool should_close ()
1142         {
1143                 if (!JobManager::instance()->work_to_do ()) {
1144                         return true;
1145                 }
1146
1147                 wxMessageDialog dialog(
1148                         nullptr,
1149                         _("There are unfinished jobs; are you sure you want to quit?"),
1150                         _("Unfinished jobs"),
1151                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
1152                         );
1153
1154                 return dialog.ShowModal() == wxID_YES;
1155         }
1156
1157         void close (wxCloseEvent& ev)
1158         {
1159                 if (!should_close ()) {
1160                         ev.Veto ();
1161                         return;
1162                 }
1163
1164                 if (_film && _film->dirty ()) {
1165                         FilmChangedClosingDialog dialog(_film->name());
1166                         switch (dialog.run()) {
1167                         case wxID_NO:
1168                                 /* Don't save and carry on to close */
1169                                 break;
1170                         case wxID_YES:
1171                                 /* Save and carry on to close */
1172                                 _film->write_metadata ();
1173                                 break;
1174                         case wxID_CANCEL:
1175                                 /* Veto the event and stop */
1176                                 ev.Veto ();
1177                                 return;
1178                         }
1179                 }
1180
1181                 /* We don't want to hear about any more configuration changes, since they
1182                    cause the File menu to be altered, which itself will be deleted around
1183                    now (without, as far as I can see, any way for us to find out).
1184                 */
1185                 _config_changed_connection.disconnect ();
1186
1187                 /* Also stop hearing about analytics-related stuff */
1188                 _analytics_message_connection.disconnect ();
1189
1190                 FontConfig::drop();
1191
1192                 ev.Skip ();
1193         }
1194
1195         void active_jobs_changed()
1196         {
1197                 /* ActiveJobsChanged can be called while JobManager holds a lock on its mutex, making
1198                  * the call to JobManager::get() in set_menu_sensitivity() deadlock unless we work around
1199                  * it by using an idle callback.  This feels quite unpleasant.
1200                  */
1201                 signal_manager->when_idle(boost::bind(&DOMFrame::set_menu_sensitivity, this));
1202         }
1203
1204         void set_menu_sensitivity ()
1205         {
1206                 auto jobs = JobManager::instance()->get ();
1207                 auto i = jobs.begin();
1208                 while (i != jobs.end() && (*i)->json_name() != "transcode") {
1209                         ++i;
1210                 }
1211                 bool const dcp_creation = (i != jobs.end ()) && !(*i)->finished ();
1212                 bool const have_cpl = _film && !_film->cpls().empty ();
1213                 bool const have_single_selected_content = _film_editor->content_panel()->selected().size() == 1;
1214                 bool const have_selected_content = !_film_editor->content_panel()->selected().empty();
1215                 bool const have_selected_video_content = !_film_editor->content_panel()->selected_video().empty();
1216
1217                 for (auto j: menu_items) {
1218
1219                         bool enabled = true;
1220
1221                         if ((j.second & NEEDS_FILM) && !_film) {
1222                                 enabled = false;
1223                         }
1224
1225                         if ((j.second & NOT_DURING_DCP_CREATION) && dcp_creation) {
1226                                 enabled = false;
1227                         }
1228
1229                         if ((j.second & NEEDS_CPL) && !have_cpl) {
1230                                 enabled = false;
1231                         }
1232
1233                         if ((j.second & NEEDS_SELECTED_CONTENT) && !have_selected_content) {
1234                                 enabled = false;
1235                         }
1236
1237                         if ((j.second & NEEDS_SINGLE_SELECTED_CONTENT) && !have_single_selected_content) {
1238                                 enabled = false;
1239                         }
1240
1241                         if ((j.second & NEEDS_SELECTED_VIDEO_CONTENT) && !have_selected_video_content) {
1242                                 enabled = false;
1243                         }
1244
1245                         if ((j.second & NEEDS_CLIPBOARD) && !_clipboard) {
1246                                 enabled = false;
1247                         }
1248
1249                         if ((j.second & NEEDS_ENCRYPTION) && (!_film || !_film->encrypted())) {
1250                                 enabled = false;
1251                         }
1252
1253                         j.first->Enable (enabled);
1254                 }
1255         }
1256
1257         /** @return true if the operation that called this method
1258          *  should continue, false to abort it.
1259          */
1260         template <class T>
1261         bool maybe_save_film ()
1262         {
1263                 if (!_film) {
1264                         return true;
1265                 }
1266
1267                 while (_film->dirty()) {
1268                         T dialog(_film->name());
1269                         switch (dialog.run()) {
1270                         case wxID_NO:
1271                                 return true;
1272                         case wxID_YES:
1273                                 try {
1274                                         _film->write_metadata();
1275                                         return true;
1276                                 } catch (exception& e) {
1277                                         error_dialog(this, _("Could not save project."), std_to_wx(e.what()));
1278                                         /* Go round again for another try */
1279                                 }
1280                                 break;
1281                         case wxID_CANCEL:
1282                                 return false;
1283                         }
1284                 }
1285
1286                 return true;
1287         }
1288
1289         template <class T>
1290         bool maybe_save_then_delete_film ()
1291         {
1292                 bool const r = maybe_save_film<T> ();
1293                 if (r) {
1294                         _film.reset ();
1295                 }
1296                 return r;
1297         }
1298
1299         void add_item (wxMenu* menu, wxString text, int id, int sens)
1300         {
1301                 auto item = menu->Append (id, text);
1302                 menu_items.insert (make_pair (item, sens));
1303         }
1304
1305         void setup_menu (wxMenuBar* m)
1306         {
1307                 _file_menu = new wxMenu;
1308                 /* [Shortcut] Ctrl+N:New film */
1309                 add_item (_file_menu, _("New...\tCtrl-N"), ID_file_new, ALWAYS);
1310                 /* [Shortcut] Ctrl+O:Open existing film */
1311                 add_item (_file_menu, _("&Open...\tCtrl-O"), ID_file_open, ALWAYS);
1312                 _file_menu->AppendSeparator ();
1313                 /* [Shortcut] Ctrl+S:Save current film */
1314                 add_item (_file_menu, _("&Save\tCtrl-S"), ID_file_save, NEEDS_FILM);
1315                 _file_menu->AppendSeparator ();
1316                 add_item (_file_menu, _("Save as &template..."), ID_file_save_as_template, NEEDS_FILM);
1317                 add_item (_file_menu, _("Duplicate..."), ID_file_duplicate, NEEDS_FILM);
1318                 add_item (_file_menu, _("Duplicate and open..."), ID_file_duplicate_and_open, NEEDS_FILM);
1319
1320                 _history_position = _file_menu->GetMenuItems().GetCount();
1321
1322                 _file_menu->AppendSeparator ();
1323                 /* [Shortcut] Ctrl+W:Close current film */
1324                 add_item (_file_menu, _("&Close\tCtrl-W"), ID_file_close, NEEDS_FILM);
1325
1326 #ifndef __WXOSX__
1327                 _file_menu->AppendSeparator ();
1328 #endif
1329
1330 #ifdef __WXOSX__
1331                 add_item (_file_menu, _("&Exit"), wxID_EXIT, ALWAYS);
1332 #else
1333                 add_item (_file_menu, _("&Quit"), wxID_EXIT, ALWAYS);
1334 #endif
1335
1336                 auto edit = new wxMenu;
1337                 /* [Shortcut] Ctrl+C:Copy settings from currently selected content */
1338                 add_item (edit, _("Copy settings\tCtrl-C"), ID_edit_copy, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_SINGLE_SELECTED_CONTENT);
1339                 /* [Shortcut] Ctrl+V:Paste settings into currently selected content */
1340                 add_item (edit, _("Paste settings...\tCtrl-V"), ID_edit_paste, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_SELECTED_CONTENT | NEEDS_CLIPBOARD);
1341                 edit->AppendSeparator ();
1342                 /* [Shortcut] Shift+Ctrl+A:Select all content */
1343                 add_item (edit, _("Select all\tShift-Ctrl-A"), ID_edit_select_all, NEEDS_FILM);
1344
1345 #ifdef __WXOSX__
1346                 add_item (_file_menu, _("&Preferences...\tCtrl-P"), wxID_PREFERENCES, ALWAYS);
1347 #else
1348                 edit->AppendSeparator ();
1349                 /* [Shortcut] Ctrl+P:Open preferences window */
1350                 add_item (edit, _("&Preferences...\tCtrl-P"), wxID_PREFERENCES, ALWAYS);
1351 #endif
1352
1353                 auto jobs_menu = new wxMenu;
1354                 /* [Shortcut] Ctrl+M:Make DCP */
1355                 add_item (jobs_menu, _("&Make DCP\tCtrl-M"), ID_jobs_make_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION);
1356                 /* [Shortcut] Ctrl+B:Make DCP in the batch converter*/
1357                 add_item (jobs_menu, _("Make DCP in &batch converter\tCtrl-B"), ID_jobs_make_dcp_batch, NEEDS_FILM | NOT_DURING_DCP_CREATION);
1358                 jobs_menu->AppendSeparator ();
1359                 /* [Shortcut] Ctrl+K:Make KDMs */
1360                 add_item (jobs_menu, _("Make &KDMs...\tCtrl-K"), ID_jobs_make_kdms, NEEDS_FILM);
1361                 /* [Shortcut] Ctrl+D:Make DKDMs */
1362                 add_item (jobs_menu, _("Make &DKDMs...\tCtrl-D"), ID_jobs_make_dkdms, NEEDS_FILM);
1363                 add_item (jobs_menu, _("Make DKDM for DCP-o-matic..."), ID_jobs_make_self_dkdm, NEEDS_FILM | NEEDS_ENCRYPTION);
1364                 jobs_menu->AppendSeparator ();
1365                 /* [Shortcut] Ctrl+E:Export video file */
1366                 add_item (jobs_menu, _("Export video file...\tCtrl-E"), ID_jobs_export_video_file, NEEDS_FILM);
1367                 add_item (jobs_menu, _("Export subtitles..."), ID_jobs_export_subtitles, NEEDS_FILM);
1368                 jobs_menu->AppendSeparator ();
1369                 add_item (jobs_menu, _("&Send DCP to TMS"), ID_jobs_send_dcp_to_tms, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
1370
1371 #if defined(DCPOMATIC_OSX)
1372                 add_item (jobs_menu, _("S&how DCP in Finder"), ID_jobs_show_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
1373 #elif defined(DCPOMATIC_WINDOWS)
1374                 add_item (jobs_menu, _("S&how DCP in Explorer"), ID_jobs_show_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
1375 #else
1376                 add_item (jobs_menu, _("S&how DCP in Files"), ID_jobs_show_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
1377 #endif
1378
1379                 add_item (jobs_menu, _("Open DCP in &player"), ID_jobs_open_dcp_in_player, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
1380
1381                 auto view = new wxMenu;
1382                 add_item (view, _("Closed captions..."), ID_view_closed_captions, NEEDS_FILM);
1383                 add_item (view, _("Video waveform..."), ID_view_video_waveform, NEEDS_FILM);
1384
1385                 auto tools = new wxMenu;
1386                 add_item (tools, _("Hints..."), ID_tools_hints, NEEDS_FILM);
1387                 add_item (tools, _("Encoding servers..."), ID_tools_encoding_servers, 0);
1388                 add_item (tools, _("Manage templates..."), ID_tools_manage_templates, 0);
1389                 add_item (tools, _("Check for updates"), ID_tools_check_for_updates, 0);
1390                 add_item (tools, _("Send translations..."), ID_tools_send_translations, 0);
1391                 add_item (tools, _("System information..."), ID_tools_system_information, 0);
1392                 tools->AppendSeparator ();
1393                 add_item (tools, _("Restore default preferences"), ID_tools_restore_default_preferences, ALWAYS);
1394                 tools->AppendSeparator ();
1395                 add_item (tools, _("Export preferences..."), ID_tools_export_preferences, ALWAYS);
1396
1397                 wxMenu* help = new wxMenu;
1398 #ifdef __WXOSX__
1399                 add_item (help, _("About DCP-o-matic"), wxID_ABOUT, ALWAYS);
1400 #else
1401                 add_item (help, _("About"), wxID_ABOUT, ALWAYS);
1402 #endif
1403                 add_item (help, _("Report a problem..."), ID_help_report_a_problem, NEEDS_FILM);
1404
1405                 m->Append (_file_menu, _("&File"));
1406                 m->Append (edit, _("&Edit"));
1407                 m->Append (jobs_menu, _("&Jobs"));
1408                 m->Append (view, _("&View"));
1409                 m->Append (tools, _("&Tools"));
1410                 m->Append (help, _("&Help"));
1411         }
1412
1413         void config_changed (Config::Property what)
1414         {
1415                 /* Instantly save any config changes when using the DCP-o-matic GUI */
1416                 if (what == Config::CINEMAS) {
1417                         try {
1418                                 Config::instance()->write_cinemas();
1419                         } catch (exception& e) {
1420                                 error_dialog (
1421                                         this,
1422                                         wxString::Format (
1423                                                 _("Could not write to cinemas file at %s.  Your changes have not been saved."),
1424                                                 std_to_wx (Config::instance()->cinemas_file().string()).data()
1425                                                 )
1426                                         );
1427                         }
1428                 } else {
1429                         try {
1430                                 Config::instance()->write_config();
1431                         } catch (exception& e) {
1432                                 error_dialog (
1433                                         this,
1434                                         wxString::Format (
1435                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
1436                                                 std_to_wx (Config::instance()->cinemas_file().string()).data()
1437                                                 )
1438                                         );
1439                         }
1440                 }
1441
1442                 for (int i = 0; i < _history_items; ++i) {
1443                         delete _file_menu->Remove (ID_file_history + i);
1444                 }
1445
1446                 if (_history_separator) {
1447                         _file_menu->Remove (_history_separator);
1448                 }
1449                 delete _history_separator;
1450                 _history_separator = 0;
1451
1452                 int pos = _history_position;
1453
1454                 /* Clear out non-existent history items before we re-build the menu */
1455                 Config::instance()->clean_history ();
1456                 auto history = Config::instance()->history();
1457
1458                 if (!history.empty ()) {
1459                         _history_separator = _file_menu->InsertSeparator (pos++);
1460                 }
1461
1462                 for (size_t i = 0; i < history.size(); ++i) {
1463                         string s;
1464                         if (i < 9) {
1465                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1466                         } else {
1467                                 s = history[i].string();
1468                         }
1469                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1470                 }
1471
1472                 _history_items = history.size ();
1473
1474                 dcpomatic_log->set_types (Config::instance()->log_types());
1475         }
1476
1477         void update_checker_state_changed ()
1478         {
1479                 auto uc = UpdateChecker::instance ();
1480
1481                 bool const announce =
1482                         _update_news_requested ||
1483                         (uc->stable() && Config::instance()->check_for_updates()) ||
1484                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
1485
1486                 _update_news_requested = false;
1487
1488                 if (!announce) {
1489                         return;
1490                 }
1491
1492                 if (uc->state() == UpdateChecker::State::YES) {
1493                         UpdateDialog dialog(this, uc->stable(), uc->test());
1494                         dialog.ShowModal();
1495                 } else if (uc->state() == UpdateChecker::State::FAILED) {
1496                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
1497                 } else {
1498                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
1499                 }
1500
1501                 _update_news_requested = false;
1502         }
1503
1504         void start_stop_pressed ()
1505         {
1506                 if (_film_viewer.playing()) {
1507                         _film_viewer.stop();
1508                 } else {
1509                         _film_viewer.start();
1510                 }
1511         }
1512
1513         void timeline_pressed ()
1514         {
1515                 _film_editor->content_panel()->timeline_clicked ();
1516         }
1517
1518         void back_frame ()
1519         {
1520                 _film_viewer.seek_by(-_film_viewer.one_video_frame(), true);
1521         }
1522
1523         void forward_frame ()
1524         {
1525                 _film_viewer.seek_by(_film_viewer.one_video_frame(), true);
1526         }
1527
1528         void analytics_message (string title, string html)
1529         {
1530                 HTMLDialog dialog(this, std_to_wx(title), std_to_wx(html));
1531                 dialog.ShowModal();
1532         }
1533
1534         void set_title ()
1535         {
1536                 auto s = wx_to_std(_("DCP-o-matic"));
1537                 if (_film) {
1538                         if (_film->directory()) {
1539                                 s += " - " + _film->directory()->string();
1540                         }
1541                         if (_film->dirty()) {
1542                                 s += " *";
1543                         }
1544                 }
1545
1546                 SetTitle (std_to_wx(s));
1547         }
1548
1549         FilmEditor* _film_editor;
1550         LimitedFrameSplitter* _splitter;
1551         wxPanel* _right_panel;
1552         FilmViewer _film_viewer;
1553         StandardControls* _controls;
1554         wx_ptr<VideoWaveformDialog> _video_waveform_dialog;
1555         SystemInformationDialog* _system_information_dialog = nullptr;
1556         HintsDialog* _hints_dialog = nullptr;
1557         ServersListDialog* _servers_list_dialog = nullptr;
1558         wxPreferencesEditor* _config_dialog = nullptr;
1559         wx_ptr<KDMDialog> _kdm_dialog;
1560         wx_ptr<DKDMDialog> _dkdm_dialog;
1561         wx_ptr<TemplatesDialog> _templates_dialog;
1562         wxMenu* _file_menu = nullptr;
1563         shared_ptr<Film> _film;
1564         int _history_items = 0;
1565         int _history_position = 0;
1566         wxMenuItem* _history_separator = nullptr;
1567         boost::signals2::scoped_connection _config_changed_connection;
1568         boost::signals2::scoped_connection _analytics_message_connection;
1569         bool _update_news_requested = false;
1570         shared_ptr<Content> _clipboard;
1571         bool _first_shown_called = false;
1572 };
1573
1574
1575 static const wxCmdLineEntryDesc command_line_description[] = {
1576         { wxCMD_LINE_SWITCH, "n", "new", "create new film", wxCMD_LINE_VAL_NONE, wxCMD_LINE_PARAM_OPTIONAL },
1577         { wxCMD_LINE_OPTION, "c", "content", "add content file / directory", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1578         { wxCMD_LINE_OPTION, "d", "dcp", "add content DCP", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1579         { wxCMD_LINE_SWITCH, "v", "version", "show DCP-o-matic version", wxCMD_LINE_VAL_NONE, wxCMD_LINE_PARAM_OPTIONAL },
1580         { wxCMD_LINE_OPTION, "", "config", "directory containing config.xml and cinemas.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1581         { wxCMD_LINE_PARAM, 0, 0, "film to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1582         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1583 };
1584
1585
1586 /** @class App
1587  *  @brief The magic App class for wxWidgets.
1588  */
1589 class App : public wxApp
1590 {
1591 public:
1592         App ()
1593                 : wxApp ()
1594         {
1595 #ifdef DCPOMATIC_LINUX
1596                 XInitThreads ();
1597 #endif
1598         }
1599
1600 private:
1601
1602         bool OnInit () override
1603         {
1604                 try {
1605
1606 #if defined(DCPOMATIC_WINDOWS)
1607                 if (Config::instance()->win32_console()) {
1608                         AllocConsole();
1609
1610                         HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
1611                         int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
1612                         FILE* hf_out = _fdopen(hCrt, "w");
1613                         setvbuf(hf_out, NULL, _IONBF, 1);
1614                         *stdout = *hf_out;
1615
1616                         HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
1617                         hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
1618                         FILE* hf_in = _fdopen(hCrt, "r");
1619                         setvbuf(hf_in, NULL, _IONBF, 128);
1620                         *stdin = *hf_in;
1621
1622                         cout << "DCP-o-matic is starting." << "\n";
1623                 }
1624 #endif
1625                         wxInitAllImageHandlers ();
1626
1627                         Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
1628                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1629
1630                         _splash = maybe_show_splash ();
1631
1632                         SetAppName (_("DCP-o-matic"));
1633
1634                         if (!wxApp::OnInit()) {
1635                                 return false;
1636                         }
1637
1638 #ifdef DCPOMATIC_LINUX
1639                         unsetenv ("UBUNTU_MENUPROXY");
1640 #endif
1641
1642 #ifdef DCPOMATIC_OSX
1643                         dcpomatic_sleep_seconds (1);
1644                         make_foreground_application ();
1645 #endif
1646
1647                         dcpomatic_setup_path_encoding ();
1648
1649                         /* Enable i18n; this will create a Config object
1650                            to look for a force-configured language.  This Config
1651                            object will be wrong, however, because dcpomatic_setup
1652                            hasn't yet been called and there aren't any filters etc.
1653                            set up yet.
1654                         */
1655                         dcpomatic_setup_i18n ();
1656
1657                         /* Set things up, including filters etc.
1658                            which will now be internationalised correctly.
1659                         */
1660                         dcpomatic_setup ();
1661
1662                         /* Force the configuration to be re-loaded correctly next
1663                            time it is needed.
1664                         */
1665                         Config::drop ();
1666
1667                         /* We only look out for bad configuration from here on, as before
1668                            dcpomatic_setup() we haven't got OpenSSL ready so there will be
1669                            incorrect certificate chain validity errors.
1670                         */
1671                         Config::Bad.connect (boost::bind(&App::config_bad, this, _1));
1672
1673                         _frame = new DOMFrame (_("DCP-o-matic"));
1674                         SetTopWindow (_frame);
1675                         _frame->Maximize ();
1676                         close_splash ();
1677
1678                         if (running_32_on_64 ()) {
1679                                 NagDialog::maybe_nag (
1680                                         _frame, Config::NAG_32_ON_64,
1681                                         _("You are running the 32-bit version of DCP-o-matic on a 64-bit version of Windows.  This will limit the memory available to DCP-o-matic and may cause errors.  You are strongly advised to install the 64-bit version of DCP-o-matic."),
1682                                         false);
1683                         }
1684
1685                         _frame->Show ();
1686
1687                         signal_manager = new wxSignalManager (this);
1688                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this, _1));
1689
1690                         if (!_film_to_load.empty() && dcp::filesystem::is_directory(_film_to_load)) {
1691                                 try {
1692                                         _frame->load_film (_film_to_load);
1693                                 } catch (exception& e) {
1694                                         error_dialog (nullptr, std_to_wx(String::compose(wx_to_std(_("Could not load film %1 (%2)")), _film_to_load)), std_to_wx(e.what()));
1695                                 }
1696                         }
1697
1698                         if (!_film_to_create.empty ()) {
1699                                 _frame->new_film (_film_to_create, optional<string>());
1700                                 if (!_content_to_add.empty()) {
1701                                         for (auto i: content_factory(_content_to_add)) {
1702                                                 _frame->film()->examine_and_add_content(i);
1703                                         }
1704                                 }
1705                                 if (!_dcp_to_add.empty ()) {
1706                                         _frame->film()->examine_and_add_content(make_shared<DCPContent>(_dcp_to_add));
1707                                 }
1708                         }
1709
1710                         Bind (wxEVT_TIMER, boost::bind (&App::check, this));
1711                         _timer.reset (new wxTimer (this));
1712                         _timer->Start (1000);
1713
1714                         if (Config::instance()->check_for_updates ()) {
1715                                 UpdateChecker::instance()->run ();
1716                         }
1717
1718                         auto release_notes = find_release_notes(gui_is_dark());
1719                         if (release_notes) {
1720                                 HTMLDialog notes(nullptr, _("Release notes"), std_to_wx(*release_notes), true);
1721                                 notes.Centre();
1722                                 notes.ShowModal();
1723                         }
1724                 }
1725                 catch (exception& e)
1726                 {
1727                         close_splash();
1728                         error_dialog (nullptr, wxString::Format ("DCP-o-matic could not start."), std_to_wx(e.what()));
1729                 }
1730
1731                 return true;
1732         }
1733
1734         void OnInitCmdLine (wxCmdLineParser& parser) override
1735         {
1736                 parser.SetDesc (command_line_description);
1737                 parser.SetSwitchChars (wxT ("-"));
1738         }
1739
1740         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1741         {
1742                 if (parser.Found (wxT("version"))) {
1743                         cout << "dcpomatic version " << dcpomatic_version << " " << dcpomatic_git_commit << "\n";
1744                         exit (EXIT_SUCCESS);
1745                 }
1746
1747                 if (parser.GetParamCount() > 0) {
1748                         if (parser.Found (wxT ("new"))) {
1749                                 _film_to_create = wx_to_std (parser.GetParam (0));
1750                         } else {
1751                                 _film_to_load = wx_to_std (parser.GetParam (0));
1752                         }
1753                 }
1754
1755                 wxString content;
1756                 if (parser.Found (wxT ("content"), &content)) {
1757                         _content_to_add = wx_to_std (content);
1758                 }
1759
1760                 wxString dcp;
1761                 if (parser.Found (wxT ("dcp"), &dcp)) {
1762                         _dcp_to_add = wx_to_std (dcp);
1763                 }
1764
1765                 wxString config;
1766                 if (parser.Found (wxT("config"), &config)) {
1767                         State::override_path = wx_to_std (config);
1768                 }
1769
1770                 return true;
1771         }
1772
1773         void report_exception ()
1774         {
1775                 try {
1776                         throw;
1777                 } catch (FileError& e) {
1778                         error_dialog (
1779                                 nullptr,
1780                                 wxString::Format(
1781                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1782                                         std_to_wx (e.what()),
1783                                         std_to_wx (e.file().string().c_str())
1784                                         )
1785                                 );
1786                 } catch (boost::filesystem::filesystem_error& e) {
1787                         error_dialog (
1788                                 nullptr,
1789                                 wxString::Format(
1790                                         _("An exception occurred: %s (%s) (%s)\n\n") + REPORT_PROBLEM,
1791                                         std_to_wx (e.what()),
1792                                         std_to_wx (e.path1().string()),
1793                                         std_to_wx (e.path2().string())
1794                                         )
1795                                 );
1796                 } catch (exception& e) {
1797                         error_dialog (
1798                                 nullptr,
1799                                 wxString::Format(
1800                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1801                                         std_to_wx (e.what ())
1802                                         )
1803                                 );
1804                 } catch (...) {
1805                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1806                 }
1807         }
1808
1809         /* An unhandled exception has occurred inside the main event loop */
1810         bool OnExceptionInMainLoop () override
1811         {
1812                 report_exception ();
1813                 /* This will terminate the program */
1814                 return false;
1815         }
1816
1817         void OnUnhandledException () override
1818         {
1819                 report_exception ();
1820         }
1821
1822         void idle (wxIdleEvent& ev)
1823         {
1824                 signal_manager->ui_idle ();
1825                 ev.Skip ();
1826         }
1827
1828         void check ()
1829         {
1830                 try {
1831                         EncodeServerFinder::instance()->rethrow ();
1832                 } catch (exception& e) {
1833                         error_dialog (0, std_to_wx (e.what ()));
1834                 }
1835         }
1836
1837         void close_splash ()
1838         {
1839                 if (_splash) {
1840                         _splash->Destroy();
1841                         _splash = nullptr;
1842                 }
1843         }
1844
1845         void config_failed_to_load (Config::LoadFailure what)
1846         {
1847                 report_config_load_failure(_frame, what);
1848         }
1849
1850         void config_warning (string m)
1851         {
1852                 message_dialog (_frame, std_to_wx(m));
1853         }
1854
1855         bool config_bad (Config::BadReason reason)
1856         {
1857                 /* Destroy the splash screen here, as otherwise bad things seem to happen (for reasons unknown)
1858                    when we open our recreate dialog, close it, *then* try to Destroy the splash (the Destroy fails).
1859                 */
1860                 close_splash();
1861
1862                 auto config = Config::instance();
1863                 switch (reason) {
1864                 case Config::BAD_SIGNER_UTF8_STRINGS:
1865                 {
1866                         if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN_UTF8)) {
1867                                 return false;
1868                         }
1869                         RecreateChainDialog dialog(
1870                                 _frame, _("Recreate signing certificates"),
1871                                 _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs contains a small error\n"
1872                                   "which will prevent DCPs from being validated correctly on some systems.  Do you want to re-create\n"
1873                                   "the certificate chain for signing DCPs and KDMs?"),
1874                                 _("Do nothing"),
1875                                 Config::NAG_BAD_SIGNER_CHAIN_UTF8
1876                                 );
1877                         return dialog.ShowModal() == wxID_OK;
1878                 }
1879                 case Config::BAD_SIGNER_VALIDITY_TOO_LONG:
1880                 {
1881                         if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN_VALIDITY)) {
1882                                 return false;
1883                         }
1884                         RecreateChainDialog dialog(
1885                                 _frame, _("Recreate signing certificates"),
1886                                 _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs has a validity period\n"
1887                                   "that is too long.  This will cause problems playing back DCPs on some systems.\n"
1888                                   "Do you want to re-create the certificate chain for signing DCPs and KDMs?"),
1889                                 _("Do nothing"),
1890                                 Config::NAG_BAD_SIGNER_CHAIN_VALIDITY
1891                                 );
1892                         return dialog.ShowModal() == wxID_OK;
1893                 }
1894                 case Config::BAD_SIGNER_INCONSISTENT:
1895                 {
1896                         RecreateChainDialog dialog(
1897                                 _frame, _("Recreate signing certificates"),
1898                                 _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs is inconsistent and\n"
1899                                   "cannot be used.  DCP-o-matic cannot start unless you re-create it.  Do you want to re-create\n"
1900                                   "the certificate chain for signing DCPs and KDMs?"),
1901                                 _("Close DCP-o-matic")
1902                                 );
1903                         if (dialog.ShowModal() != wxID_OK) {
1904                                 exit (EXIT_FAILURE);
1905                         }
1906                         return true;
1907                 }
1908                 case Config::BAD_DECRYPTION_INCONSISTENT:
1909                 {
1910                         RecreateChainDialog dialog(
1911                                 _frame, _("Recreate KDM decryption chain"),
1912                                 _("The certificate chain that DCP-o-matic uses for decrypting KDMs is inconsistent and\n"
1913                                   "cannot be used.  DCP-o-matic cannot start unless you re-create it.  Do you want to re-create\n"
1914                                   "the certificate chain for decrypting KDMs?  You may want to say \"No\" here and back up your\n"
1915                                   "configuration before continuing."),
1916                                 _("Close DCP-o-matic")
1917                                 );
1918                         if (dialog.ShowModal() != wxID_OK) {
1919                                 exit (EXIT_FAILURE);
1920                         }
1921                         return true;
1922                 }
1923                 default:
1924                         DCPOMATIC_ASSERT (false);
1925                 }
1926         }
1927
1928         DOMFrame* _frame = nullptr;
1929         wxSplashScreen* _splash = nullptr;
1930         shared_ptr<wxTimer> _timer;
1931         string _film_to_load;
1932         string _film_to_create;
1933         string _content_to_add;
1934         string _dcp_to_add;
1935 };
1936
1937
1938 IMPLEMENT_APP (App)